CN223316111U - A label roll cutting machine - Google Patents

Abstract

The utility model discloses a sheet cutter for label coil stock, which relates to the technical field of sheet cutters and aims to solve the problems that the existing sheet cutter has low cutting efficiency and the length of a cut label finished product is unstable, the sheet cutter comprises a platform main body, one side of the platform main body is provided with a foldable feeding mechanism, the feeding mechanism is provided with a guide structure, an adsorption mechanism is arranged on the platform main body and is positioned at the discharge end of the feeding mechanism, the adsorption mechanism comprises a vacuum adsorption platform and a color code sensor which is movably arranged on the vacuum adsorption platform and is used for identifying a marking point on the label coil stock, the vacuum adsorption platform and the color code sensor are both in signal connection with a control panel on the platform main body, the conveying and tension breaking mechanism is arranged at one end of the platform main body, which is far away from the feeding mechanism, of the vacuum adsorption platform, the conveying and tension breaking mechanism comprises a pressure regulating device, a material pressing assembly arranged at the discharge end of the conveying roller set and a cutting assembly arranged at the discharge end of the material pressing assembly, and the conveying roller set and the cutting assembly are both in signal connection with the control panel.

Description

Cut-off machine for label coil stock

Technical Field

The utility model relates to the technical field of sheet breakers, in particular to a sheet breaker for label coil stock.

Background

With the rapid development of the fields of advertisement printing, packaging and the like, various types of label die cutting machines are developed, labels are produced in roll form to become a main body, the demand for label roll cutting and tensioning equipment is also increasing, and the market demand for label products is also increasing. For the traditional label die cutting machine, the function of cutting the label roll material sheet by sheet is not provided. The label coil stock still need decide according to different length requirements after the cross cutting of cross cutting machine, for convenient to use, installs cutters additional on the cross cutting machine, but can increase the degree of difficulty of complete machine operation, and complete machine cross cutting speed is different with the disconnected speed greatly, leads to use cost increase and availability factor also can't obtain promoting.

In order to solve the above problems, an independent label cutter is newly provided, the label cutter is used for transversely cutting the rolled label coil stock, the label cutter mainly uses a conveying roller to transport the label coil stock, and then a label finished product is obtained through a cutting tool, but the cutter in the prior art is easy to slip when conveying the label coil stock, so that the label coil stock is deflected, the production quality of the label finished product is seriously affected, the yield of the label finished product is reduced, and the cost for producing the label finished product is increased.

Therefore, how to solve the problems of low cutting efficiency and unstable length of the finished label after cutting of the existing sheet cutter is a problem to be solved by those skilled in the art.

Disclosure of utility model

Therefore, the utility model aims to provide the sheet breaker for the label coil stock, which can avoid slipping of the label coil stock in the conveying process, prepare for the mark searching and positioning of the color mark sensor, realize the quick and accurate positioning effect of the color mark sensor, and ensure that the lengths of label finished products cut by the sheet breaker are consistent, thereby improving the qualification rate of the label finished products after sheet breaking and the cutting efficiency of the sheet breaker for continuous sheet breaking.

In order to achieve the above object, the present utility model provides the following technical solutions:

A sheet breaker for label rolls, comprising:

the folding feeding mechanism is arranged on one side of the platform main body and is provided with a guide structure for controlling the trend of the label coil stock;

the adsorption mechanism is arranged on the platform main body and positioned at the discharge end of the feeding mechanism, and comprises a vacuum adsorption platform for adsorbing the label coil stock and a color code sensor which is movably arranged on the vacuum adsorption platform and used for identifying the mark point on the label coil stock, and the vacuum adsorption platform and the color code sensor are in signal connection with a control panel on the platform main body;

The conveying and tensioning mechanism is arranged at one end of the platform main body, which is far away from the feeding mechanism, and comprises a pressure regulating device for regulating the pressure of the conveying roller group for conveying the label coil stock, a pressing component which is arranged at the discharge end of the conveying roller group and is used for flattening the label coil stock, and a cutting component which is arranged at the discharge end of the pressing component and is used for cutting the label coil stock, wherein the conveying roller group and the cutting component are in signal connection with the control panel.

Preferably, the vacuum adsorption platform is provided with a first positioning guide rail extending along the conveying direction of the label coil stock and a second positioning guide rail extending along the conveying direction perpendicular to the label coil stock, the second positioning guide rail is movably arranged on the first positioning guide rail, and the second positioning guide rail is provided with a movable color code sensor which is arranged along the conveying direction of the label coil stock through a fine adjustment structure.

Preferably, the conveying roller set comprises a conveying roller and a pressing roller arranged right above the conveying roller, wherein the conveying roller is in butt joint with the outer peripheral surface of the pressing roller, and the conveying roller set further comprises a first motor connected with a control panel in a signal mode, and the first motor is connected with the conveying roller and used for driving the conveying roller to rotate so as to drive the pressing roller to synchronously rotate with the conveying roller.

Preferably, the compression roller has the compression roller axle, and pressure regulating device is including locating the support at compression roller axle both ends, and the platform main part is located to the support, is equipped with mobilizable slip briquetting in the spout of support, and the slip briquetting is spacing in the spout through compression spring and the stop screw at support top, and slip briquetting rotates with the compression roller axle to be connected, and bottom one side of support is equipped with rotatable bearing, and the compression roller axle is equipped with the eccentric part that corresponds with the bearing, and the compression roller axle still is equipped with fixed handle.

Preferably, the material pressing assembly comprises a material pressing shaft, a material pressing table and a silica gel ring, wherein the material pressing table is arranged on the platform main body, the material pressing shaft is rotationally connected with the platform main body and is positioned at the top of the material pressing table, the silica gel ring is wound on the periphery of the material pressing shaft and the periphery of the compression roller, so that the material pressing shaft and the compression roller synchronously rotate, the silica gel ring wound on the material pressing shaft is in contact with the material pressing table, and a cutting groove for installing the silica gel ring is formed in the periphery of the compression roller.

Preferably, the cutting assembly is arranged at the discharge end of the pressing table, the cutting assembly comprises a fixed knife and a movable knife, the movable knife is attached to the fixed knife through an adjusting device, the adjusting device comprises a long bolt used for connecting the fixed knife and the movable knife, a fixed cushion block, a spring, a gasket and a locknut are sleeved at the end part of the long bolt, the movable knife is provided with a long hole used for installing the long bolt, so that the movable knife moves along the side face of the fixed knife, and the movable knife is driven by a second motor connected with a control panel through signals, so that the movable knife moves along the side face of the fixed knife.

Preferably, the platform main body is provided with an incoming material detection sensor, and the incoming material detection sensor is used for detecting the label coil stock on the feeding mechanism in real time and sending a detected signal of the label coil stock to the control panel.

Preferably, the other side of the platform main body is provided with a foldable material receiving mechanism, the material receiving mechanism comprises a material receiving hopper, a guide baffle is arranged in the material receiving hopper, the material receiving hopper is rotationally connected with the platform main body through a positioning shaft, and the material receiving hopper is arranged on the platform main body in a foldable manner through a telescopic supporting rod capable of self locking.

Preferably, the feeding mechanism comprises a feeding support, the feeding support is arranged on the platform main body in a folding manner through a telescopic supporting rod, the feeding support comprises two conveying support arms which are arranged in parallel, a fixing shaft used for connecting the conveying support arms, and a conveying shaft rotationally connected with the conveying support arms, the conveying support arms are rotationally connected with the platform main body through supporting blocks, a guiding structure is arranged on the inner side of the conveying support arms, and the guiding structure is arranged along the fixing shaft and the conveying shaft in a moving manner.

The utility model provides a label coil stock cutting machine which comprises a platform main body, a feeding mechanism, an adsorption mechanism, a color code sensor, a control panel and a conveying cutting mechanism, wherein the foldable feeding mechanism is arranged on one side of the platform main body, when the cutting machine is used, the feeding mechanism is unfolded, after the use is completed, the feeding mechanism is folded to reduce occupied space, the feeding mechanism is arranged to realize the feeding transmission of label coil stock, the feeding mechanism is provided with a guide structure for controlling the trend of the label coil stock, and the feeding mechanism is provided with the guide mechanism to determine the feeding path of the label coil stock and prevent the label coil stock from deviating in the conveying process.

The adsorption mechanism is arranged at the discharge end of the platform main body and positioned at the feeding mechanism, so that the feeding mechanism conveys label coil stock to the adsorption mechanism, the adsorption mechanism comprises a vacuum adsorption platform for adsorbing the label coil stock, a color code sensor which is movably arranged at the vacuum adsorption platform and is used for identifying marking points on the label coil stock, the vacuum adsorption platform and the color code sensor are both in signal connection with a control panel on the platform main body, negative pressure is formed in the vacuum adsorption platform through the control panel control, the label coil stock conveyed to the vacuum adsorption platform is adsorbed, the label coil stock conveyed to the vacuum adsorption platform is guaranteed to be conveyed smoothly, the label coil stock is prevented from deviating in the conveying process, the color code sensor is moved to black marking points printed on the label coil stock so as to carry out fine positioning, positioning information is sent to the control panel, and the cutting length of each page of the label coil stock is determined according to the spacing size between the marking points which are equidistantly distributed in the conveying direction of the label coil stock, so that the label coil stock with the specified length is conveyed to the conveying and cut by the conveying and cutting mechanism.

The utility model provides a carry disconnected mechanism locates the platform main part and is located vacuum adsorption platform and keeps away from the one end of feed mechanism to make the label coil stock carry to carry disconnected mechanism through vacuum adsorption platform, cut off the piece to the label coil stock through carrying disconnected mechanism, carry disconnected mechanism including the pressure regulating device who is used for adjusting the pressure of carrying the roller group to carry the label coil stock, locate the roller group discharge end and be used for flattening the pressure feed subassembly of label coil stock, locate the discharge end of pressure feed subassembly and be used for cutting the cutting subassembly of label coil stock, carry roller group and cutting subassembly all with control panel signal connection, carry the roller group through control panel control and carry the label coil stock to the pressure feed subassembly, carry out flattening treatment to the label coil stock through the pressure feed subassembly, in order to avoid the condition that the turn-up takes place for the label coil stock, thereby guarantee the transport effect of label coil stock, cut the label coil stock on the pressure feed subassembly through control panel control, thereby accomplish the disconnected piece to the label coil stock, make label coil stock both ends atress keep unanimous, can guarantee that the label coil stock carries to be leveled, prevent that label coil stock from producing in carrying because both ends pressure is inconsistent in carrying, can also be used for the thickness regulation effect of the roll, the effect of adjusting the roll, can not be used for the thickness of the label coil stock, the roll, the thickness is good for the roll, the roll is not rolls the effect.

The guiding structure of the feeding mechanism guides the trend of the label coil stock, prevents the label coil stock from deviating in the feeding conveying process, and the vacuum adsorption platform of the adsorption mechanism adsorbs the label coil stock so as to enable the label coil stock to be smoothly conveyed, avoid the situation that the label coil stock deviates or is curled in the adsorption conveying process, enable the pressure at two ends of the label coil stock conveyed by the conveying roller group to be consistent through adjusting the pressure regulating device, ensure that the label coil stock is smoothly conveyed, prevent the label coil stock from slipping and wrinkling in the conveying roller group conveying process, and enable the label coil stock conveyed by the conveying roller group to be subjected to flattening treatment through the pressure material component so as to avoid the curling of the label coil stock, namely, enable the guiding structure, the vacuum adsorption platform, the pressure regulating device and the pressure material component to be mutually matched, so that the label coil stock cannot be curled, deviated and skid in the whole conveying process, and the label locating of the label sensor on the vacuum adsorption platform is prepared, thereby ensuring that the label locating of the label sensor can be rapidly, accurately and effectively positioned, and the label coil stock is cut by the label coil stock can be cut by the qualified rate after the label coil stock is effectively cut.

The label coil stock that adopts the mode to set up is with disconnected opening machine can realize the accurate transport of label coil stock, can avoid the phenomenon that label coil stock takes place to skid in the transportation to realize that the color mark sensor is quick, accurate and effectual location, improve the cutting efficiency of label coil stock, improve the qualification rate of the label finished product after disconnected opening machine cuts.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a sheet cutter for label rolls according to the present utility model;

FIG. 2 is an exploded view of the present utility model provided for a sheet breaker for label rolls;

FIG. 3 is a schematic diagram of a conveying and breaking mechanism according to the present utility model;

Fig. 4 is a schematic structural diagram of a feeding mechanism provided by the utility model;

FIG. 5 is a partial enlarged view of the pressure regulating device according to the present utility model;

FIG. 6 is an enlarged view of a portion of a cutting assembly provided by the present utility model;

fig. 7 is a schematic structural diagram of a receiving mechanism provided by the utility model;

Fig. 8 is a schematic diagram of the trend of label roll of the feeding mechanism provided by the utility model.

Reference numerals:

01-label roll;

1-a platform body;

2-feeding mechanism, 21-guiding structure, 211-baffle, 212-fixed block, 213-screw, 22-feeding bracket, 221-conveying support arm, 222-fixed axle, 223-conveying axle, 224-supporting block, 23-supporting plate, 24-fixed sheet;

The device comprises a 3-adsorption mechanism, a 31-vacuum adsorption platform, a 32-color code sensor, a 33-first positioning guide rail, a 34-second positioning guide rail, a 35-fine adjustment structure and a 36-fan;

4-a control panel;

5-conveying tension-breaking mechanism, 51-conveying roller set, 511-conveying roller, 512-compression roller, 52-pressure regulating device, 521-support, 522-sliding press block, 523-compression spring, 524-limit screw, 525-bearing, 526-fixed handle, 53-pressing component, 531-pressing shaft, 532-pressing table, 533-silica gel ring, 534-cutting groove, 54-cutting component, 541-fixed knife, 542-movable knife, 5421-long hole, 543-long bolt, 544-fixed cushion block, 545-spring, 546-cushion block, 547-locknut, 55-second motor, 56-connector connecting rod, 57-linkage block, 58-falling knife transmission shaft and 59-rotating block;

6, an incoming material detection sensor;

7-receiving mechanism, 71-receiving hopper, 72-guide baffle, 73-locating shaft, 74-telescopic stay.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The terms "front, rear, left, right, upper, lower" and the like are defined based on the drawings of the specification. In addition, the arrangement mode of each mechanism of the sheet cutter for label coil stock is only described in the utility model, but the arrangement mode is not limited to the arrangement mode of the utility model, and other direction arrangement modes can be adopted and are all within the protection scope of the utility model.

The core of the utility model is to provide the sheet breaker for the label coil stock, which can prevent the label coil stock 01 from slipping in the conveying process, prepare for the mark searching and positioning of the color mark sensor 32, realize the quick and accurate positioning effect of the color mark sensor 32, and ensure that the lengths of label finished products cut by the sheet breaker are consistent, thereby improving the qualification rate of the label finished products after the sheet breaking and the cutting efficiency of the sheet breaker for continuous sheet breaking.

Referring to fig. 1, 2 and 3, a sheet cutter for label roll includes a platform body 1, a feeding mechanism 2, an adsorption mechanism 3, a color code sensor 32, a control panel 4 and a conveying sheet cutter 5.

Specifically, one side of the platform main body 1 is provided with a foldable feeding mechanism 2, when the sheet breaker is used, the feeding mechanism 2 is unfolded, after the sheet breaker is used, the feeding mechanism 2 is folded to reduce occupied space, feeding transmission of the label coil stock 01 can be realized by arranging the feeding mechanism 2, the feeding mechanism 2 is provided with a guide structure 21 for controlling the trend of the label coil stock 01, a feeding path of the label coil stock 01 can be determined by arranging the guide mechanism on the feeding mechanism 2, and the label coil stock 01 is prevented from deflecting in the conveying process.

The adsorption mechanism 3 is arranged on the platform main body 1 and is positioned at the discharge end of the feeding mechanism 2, so that the feeding mechanism 2 conveys the label coil stock 01 to the adsorption mechanism 3, the adsorption mechanism 3 comprises a vacuum adsorption platform 31 for adsorbing the label coil stock 01, a color code sensor 32 which is movably arranged on the vacuum adsorption platform 31 and is used for identifying marking points on the label coil stock 01, the vacuum adsorption platform 31 and the color code sensor 32 are both in signal connection with a control panel 4 on the platform main body 1, negative pressure is formed in the vacuum adsorption platform 31 under the control of the control panel 4, the label coil stock 01 conveyed to the vacuum adsorption platform 31 is adsorbed, so that the label coil stock 01 conveyed to the vacuum adsorption platform 31 can be conveyed smoothly, the deviation of the label coil stock 01 in the conveying process is prevented, the color code sensor 32 is moved to black marking points on the label coil stock 01 so as to perform fine positioning, positioning information is sent to the control panel 4, the distance between the marking points which are distributed at equal intervals in the conveying direction of the label coil stock 01 is determined, and the cut length of each sheet of the label coil stock 01 is further conveyed to the designated length 5 by the label coil stock cutter mechanism.

The conveying and breaking mechanism 5 is arranged at one end of the platform main body 1, which is far away from the feeding mechanism 2, of the vacuum adsorption platform 31, so that the label coil 01 is conveyed to the conveying and breaking mechanism 5 through the vacuum adsorption platform 31, the label coil 01 is cut and broken through the conveying and breaking mechanism 5, the conveying and breaking mechanism 5 comprises a pressure regulating device 52 for regulating the pressure of the conveying roller group 51 for conveying the label coil 01, a pressing component 53 arranged at the discharge end of the conveying roller group 51 and used for flattening the label coil 01, a cutting component 54 arranged at the discharge end of the pressing component 53 and used for cutting the label coil 01, the conveying roller group 51 and the cutting component 54 are in signal connection with the control panel 4, the conveying roller group 51 is used for conveying the label coil 01 to the pressing component 53 through the control panel 4, the pressing component 53 is used for flattening the label coil 01, the label coil 01 is prevented from being curled, the conveying effect of the label coil 01 is guaranteed, the cutting component 54 is controlled through the control panel 4 to cut the label coil 01, the cutting component 53 is cut, the cut and the label coil 01 is cut and broken, the label coil 01 can be uniformly pressed, the label coil 01 can be prevented from being cut and the label coil 01 can be conveyed, and the label coil 01 can be cut and the label coil 01 cannot be uniformly stressed and pressed, and the label coil 01 can be cut and the label 01.

The direction of the label coil stock 01 is guided through the guide structure 21 of the feeding mechanism 2, the label coil stock 01 is prevented from being deviated in the feeding conveying process, the label coil stock 01 is adsorbed by the vacuum adsorption platform 31 of the adsorption mechanism 3, so that the label coil stock 01 can be smoothly conveyed, the situation that the label coil stock 01 deviates or is curled in the adsorbing conveying process is avoided, the pressure applied to two ends of the label coil stock 01 conveyed by the conveying roller group 51 is kept consistent through the adjusting pressure adjusting device 52, the smooth conveying of the label coil stock 01 can be ensured, the label coil stock 01 is prevented from slipping and wrinkling in the conveying process of the conveying roller group 51, the label coil stock 01 conveyed by the conveying roller group 51 is subjected to flattening treatment through the pressure material assembly 53, and the situation that the label coil stock 01 is curled is avoided, that is to say, the guide structure 21, the vacuum adsorption platform 31, the pressure adjusting device 52 and the pressure material assembly 53 are mutually matched, the label coil stock 01 cannot curl, the phenomenon that is caused in the whole conveying process, the pressure is deviated and the phenomenon that the label coil stock 01 is conveyed by the pressure adjusting device, the label positioning sensor 32 on the vacuum adsorption platform 31 is ensured, the label coil stock 01 is accurately positioned, the label coil stock 01 can be cut and cut, and cut and accurately, and the label coil stock is cut and qualified.

The label coil stock that adopts the mode to set up is with disconnected stretch-breaking machine can realize the accurate transport of label coil stock 01, can avoid label coil stock 01 to take place the phenomenon that skidds in the transportation to realize that color mark sensor 32 is quick, accurate and effectual location, improve the cutting efficiency of label coil stock 01, improve the qualification rate of the label finished product after disconnected stretch-breaking machine cuts.

Referring to fig. 4, a first positioning rail 33 extending along a conveying direction of the label roll 01 and a second positioning rail 34 extending along a direction perpendicular to the conveying direction of the label roll 01 are disposed on the vacuum adsorption platform 31, the second positioning rail 34 is movably disposed on the first positioning rail 33, a movable color mark sensor 32 is disposed on the second positioning rail 34, and the color mark sensor 32 is movably disposed along the conveying direction of the label roll 01 through a fine adjustment structure 35.

It should be noted that, the adsorption mechanism 3 is disposed on the left side of the feeding mechanism 2 and is fixed on the platform main body 1 on the front and rear sides, the adsorption mechanism 3 includes a vacuum adsorption platform 31 and a fan 36 disposed at the bottom thereof, the fan 36 is mounted at the bottom of the cavity of the adsorption panel of the vacuum adsorption platform 31, the fan 36 is connected with the control panel 4 in a signal manner, the operation state of the fan 36 is controlled by the control panel 4 so that the vacuum adsorption platform 31 is in a negative pressure adsorption state, thereby adsorbing the label coil 01 on the vacuum adsorption platform 31, ensuring that the label coil 01 conveyed to the vacuum adsorption platform 31 can be smoothly conveyed, preventing the label coil 01 from deviating in the conveying process, and the front and rear sides above the adsorption panel are respectively provided with a first positioning guide rail 33, and a guide rail fixing block is mounted above the sliding block of the first positioning guide rail 33, thereby fixing the second positioning guide rail 34 on the vertical direction. The vacuum adsorption platform 31 can adsorb the label coil stock 01 smoothly, and the color code sensor 32 above the label coil stock is convenient to search for marks and position, so that the conveying precision of the label coil stock 01 is improved, accurate cut-off is realized, and the size error of the label coil stock is reduced to obtain a finished product sample sheet with a specified length requirement.

The fine adjustment structure 35 is arranged on the sliding block of the second positioning guide rail 34, the fine adjustment structure 35 comprises a guide block fixed on the sliding block and an adjustment bracket arranged along the guide block in a sliding manner, the adjustment bracket is of a U-shaped structure and sleeved outside the guide block, an opening of the adjustment bracket is arranged towards the left side, a guide plate is arranged on the upper portion of the guide block, the guide plate is fixed on the guide block and contacts with the upper end face of the adjustment bracket, the guide effect on the adjustment bracket is realized through the cooperation of the guide plate and the guide block, and the adjustment bracket can move left and right along the direction of the transmission of the label coil stock 01 and the direction opposite to the transmission direction of the label coil stock 01.

The left end connection fixed plate of adjusting the support, be fixed with color code sensor 32 on the fixed plate, color code sensor 32 follows adjusting the support synchronous motion, adjusts the support right side and is provided with the hand and twist the screw, and the hand is twisted the screw and is run through adjusting support and guide block setting, and the periphery cover of hand and twist the screw is equipped with the spring, the both ends of spring respectively with the left end face of adjusting the support, the right-hand member face butt of guide block, so set up, make adjusting the support and realize the compression and the reset of spring at the in-process that moves about.

In this embodiment, when the fine adjustment structure 35 is used to adjust the position of the color mark sensor 32, the adjusting bracket can be moved along the direction of the label roll 01 by rotating the hand screw in the forward direction, so as to drive the color mark sensor 32 to move along the direction of the label roll 01, and the adjusting bracket can be moved along the direction opposite to the direction of the label roll 01 by rotating the hand screw in the reverse direction, so as to drive the color mark sensor 32 to move synchronously.

In practical application, the screw can be screwed by reversely rotating the hand, so that the adjusting bracket can move along the direction of the transmission label coil stock 01, and the color code sensor 32 is driven to move along the direction of the transmission label coil stock 01, and the screw can be screwed by forward rotating the hand, so that the adjusting bracket can move along the direction opposite to the transmission direction of the transmission label coil stock 01, and the color code sensor 32 is driven to synchronously move, so that the technical effect can be achieved.

Through the movement of the color code sensor 32 on the first positioning guide rail 33 and the second positioning guide rail 34, the position of the color code sensor 32 on the adsorption panel is controlled, namely, the color code sensor 32 is initially aligned with a black mark point on the label coil stock 01, the position of the color code sensor 32 in the transmission direction of the label coil stock 01 is further accurately adjusted through screwing screws by hand, the effect of accurate positioning is achieved, and therefore the precision of conveying and breaking the label coil stock 01 is improved, and label finished products with different length requirements are obtained.

After the label roll 01 is placed on the adsorption panel, the control panel 4 controls the fan 36 below the adsorption panel to rotate, thereby negative pressure is formed in the cavity of the adsorption panel, the upper label roll 01 is adsorbed and leveled through each small hole on the upper surface of the adsorption panel, further, the first positioning guide rail 33 and the sliding block arranged on the second positioning guide rail 34 above are respectively moved, namely, the whole second positioning guide rail 34 and the adjusting bracket on the sliding block are moved to roughly position the color mark sensor 32 at the front, back, left and right positions on the adsorption panel, further, the hand screw is rotated to move the color mark sensor 32 on the adjusting bracket, so that the black mark points or other color blocks printed on the lower label roll 01 are precisely positioned, after positioning is finished, the cutting length of each page sample sheet is determined according to the spacing size between the black mark points of the label roll 01 which are equidistantly distributed in the conveying direction, so that the label roll 01 with the specified length is further conveyed to the broken sheet part to be cut, in addition, the waste sample sheets can be processed according to the mark points with different spacing sizes, and only waste sheets can be reserved after the waste sheets are processed. The adsorption mechanism 3 can ensure that the label coil stock 01 is kept flat and stable in the conveying process, and can search and position each black mark point or color block on the label coil stock 01, so that the precision of conveying and breaking the label coil stock 01 is improved, and label finished products with different length requirements are obtained.

Further, according to the black mark point or the color block with larger color difference change on the label coil stock 01 as a positioning point, the color difference detection and calibration of the color mark sensor 32 are set, and the cutting length value and the deviation value are set, so that a label finished product is finally obtained, specifically:

placing the label coil stock 01 to be conveyed and cut to a suction panel according to the feeding mode;

Selecting black mark points or color blocks with larger color difference changes printed on the label coil stock 01 as positioning points, moving the color mark sensor 32 to align with the positions, setting color mark readings of the positioning points and the color changes of other color areas, and performing color difference checking and calibration, thereby providing reaction signals for the control panel 4 to influence the action of the whole machine, and selecting positioning points which are close to vertical along the moving direction to avoid obvious arcs at the positions in order to prevent deviation of cutting length caused by left-right movement of the label coil stock 01;

Presetting a cutting length value a and a deviation value b through a control panel 4;

And (3) conveying the label coil stock 01 to a cutting and breaking area for first trial cutting, detecting whether the cut sample sheet meets the preset length a, if so, carrying out mass production, if not, detecting whether similar color mark points existing at the front end of a locating point or a previous locating color mark point are selected, adjusting the preset length to be a+delta a, and carrying out trial cutting again, thereby repeatedly determining a length value and a deviation value meeting the length requirement of the actual sample sheet, finally obtaining a label finished product, and realizing mass production.

Wherein, because the response time t of the color mark sensor 32 cannot meet the detection of the color mark on the object moving at a high speed, the color mark detection is wrong, so the control panel 4 performs deceleration control on the moving speed of the label roll 01 according to the preset length a, that is, between two adjacent positioning color mark points, the label roll 01 is controlled to move normally when moving from the first positioning color mark point, and when the label roll 01 moves to the other positioning color mark point quickly, the label roll 01 is controlled to move at a reduced speed, so the reliability of the color mark detection can be ensured.

Referring to fig. 3 and 5, the conveying roller set 51 includes a conveying roller 511, a pressing roller 512 disposed right above the conveying roller 511, a first motor connected to the conveying roller 511 by a signal to drive the conveying roller 511 to rotate, and a first motor connected to the control panel 4 to drive the pressing roller 512 and the conveying roller 511 to rotate synchronously.

It can be understood that the two ends of the transmission roller 511 are respectively fixed on the platform main body 1 on the front side and the rear side through bearings 525, a press roller 512 is arranged above the transmission roller 511, pressure regulating devices 52 for controlling the pressure of the press roller 512 are symmetrically arranged on the two sides of the press roller 512, the conveying flatness of the label coil stock 01 below is ensured through the pressure regulating devices 52, and when the label coil stock 01 is used, the control panel 4 controls the first motor to operate so as to drive the transmission roller 511 to rotate, and the transmission roller 511 drives the press roller 512 to synchronously rotate so as to realize conveying of the label coil stock 01.

Further, the press roller 512 has a press roller 512 shaft, the pressure regulating device 52 includes a support 521 disposed at two ends of the press roller 512 shaft, the support 521 is disposed on the platform body 1, a movable sliding block 522 is disposed in a chute of the support 521, the sliding block 522 is limited in the chute by a compression spring 523 and a limit screw 524 disposed at the top of the support 521, the sliding block 522 is rotationally connected with the press roller 512 shaft, a rotatable bearing 525 is disposed at one side of the bottom of the support 521, an eccentric portion corresponding to the bearing 525 is disposed on the press roller 512 shaft, and a fixed handle 526 is further disposed on the press roller 512 shaft.

It should be noted that, the sliding press blocks 522 are symmetrically installed on both sides of the shaft of the pressing roller 512, and are installed in the sliding grooves of the two side supports 521, and the compression springs 523 are disposed above the sliding press blocks, and the limit screws 524 for compressing the compression springs 523 are disposed above the compression springs 523, and the bearings 525 are symmetrically fixed on the sides of the bottom of the two side supports 521, and the two sides of the shaft of the pressing roller 512 are provided with eccentric portions corresponding to the positions of the bearings 525 on both sides, and the fixed handle 526 is installed at one end of the shaft of the pressing roller 512. The pressure on two sides of the press roller 512 is adjusted through the adjusting device, the consistency of the pressure on two ends of the label coil stock 01 with different thicknesses is guaranteed, the label coil stock 01 is kept flat in the conveying process, and the position of the label coil stock 01 is adjusted by rotating the fixed handle 526 on the shaft of the press roller 512 to lift the press roller 512.

The pressing roller 512 presses the label coil stock 01 onto the lower transmission roller 511, the upper and lower positions and the pressure of the two ends of the pressing roller 512 are controlled by manually adjusting the adjusting devices on the two sides of the pressing roller 512, namely, the compression amount of the compression spring 523 is manually adjusted by the limit screw 524, so that the stress of the two ends of the label coil stock 01 is kept consistent, and the pressing roller 512 is jacked by the bearing 525 fixed on the adjusting devices on the two sides due to the fact that the two sides of the shaft of the pressing roller 512 are provided with eccentric positions, and the trend position of the label coil stock 01 is conveniently adjusted after the pressing roller 512 is lifted. To the label coil stock 01 of different thickness, can guarantee through manual regulation compression roller 512 both ends pressure that label coil stock 01 carries to be level, prevent that label coil stock 01 from producing the phenomenon of skidding, wrinkling in the transportation because both ends pressure is inconsistent, influence pay-off precision and cutting effect, the pressure is set up the back and need not carry out repeated adjustment moreover, by the eccentric part of compression roller 512 axle both sides, rotate fixed handle 526 and can lift up compression roller 512, make things convenient for the last unloading of label coil stock 01 to adjust the position of label coil stock 01, simple structure is effective, and the debugging is convenient.

Referring to fig. 3 and 5, the pressing assembly 53 includes a pressing shaft 531, a pressing table 532 and a silica gel ring 533, the pressing table 532 is disposed on the platform body 1, the pressing shaft 531 is rotationally connected with the platform body 1 and is located at the top of the pressing table 532, the silica gel ring 533 is wound around the outer periphery of the pressing shaft 531 and the pressing roller 512, so that the pressing shaft 531 and the pressing roller 512 synchronously rotate, the silica gel ring 533 wound around the pressing shaft 531 contacts with the pressing table 532, and a cutting slot 534 for installing the silica gel ring 533 is disposed around the outer periphery of the pressing roller 512.

It can be understood that the outer surface of the press roller 512 is uniformly provided with a plurality of cutting grooves 534 and correspondingly sleeved with silica gel rings 533, and the inner side of each silica gel ring 533 is penetrated with a material pressing shaft 531 and arranged at the left side of the press roller 512, so that the fixed position of the material pressing shaft 531 is determined, the silica gel rings 533 are tensioned, a material pressing table 532 for feeding is arranged below the material pressing shaft 531, the label coil 01 below the material pressing shaft 531 is flattened to a material pressing table 532 through the tensioning of the silica gel rings 533, the silica gel rings 533 are flexible, label coils 01 with different thicknesses can be adapted, the press roller 512 rotates to drive each silica gel ring 533 to rotate in the conveying process, and then the lower label coil 01 is conveyed to the conveying and tensioning mechanism 5 by friction force on the surface of the silica gel rings 533, so that the cut of the label coil 01 is completed, thereby ensuring effective conveying distance and conveying effect, preventing the label coil 01 from warping, and no subsequent debugging is needed after installation.

Referring to fig. 3, 6 and 7, the cutting assembly 54 is disposed at a discharge end of the pressing table 532, the cutting assembly 54 includes a fixed knife 541 and a movable knife 542, the movable knife 542 is attached to the fixed knife 541 by an adjusting device, the adjusting device includes a long bolt 543 for connecting the fixed knife 541 and the movable knife 542, a fixed cushion block 544, a spring 545, a spacer 546 and a locknut 547 are sleeved on an end portion of the long bolt 543, the movable knife 542 is provided with a long hole 5421 for mounting the long bolt 543, so that the movable knife 542 moves along a side surface of the fixed knife 541, and the movable knife 542 is driven by a second motor 55 in signal connection with the control panel 4, so that the movable knife 542 moves along the side surface of the fixed knife 541.

It should be noted that, the fixed knife 541 is fixed to the left side wall of the pressing table 532, the movable knife 542 attached to the fixed knife 541 is disposed on the left side of the fixed knife 541, adjusting devices for adjusting the gap between the two blades are disposed on both sides of the movable knife 542, meanwhile, both end surfaces of the movable knife 542 are respectively hinged to the upper ends of the connector links 56, the lower ends of the connector links 56 are respectively hinged to the heads of the linkage blocks 57 located on the front and rear sides, the linkage blocks 57 are connected and fixed to the cutter-falling transmission shaft 58 through keyways, the linkage blocks 57 are also fixed to the front end surface of the cutter-falling transmission shaft 58, the heads of the linkage blocks are hinged to the upper ends of the other connector links 56, the lower ends of the connector links 56 are hinged to the eccentric positions of the rotation blocks 59 located below, and the rotation blocks 59 are connected to the output shaft of the second motor 55. The long bolt 543 is installed from the right side wall of the fixed knife 541, long holes 5421 arranged on the two sides of the movable knife 542 penetrate through the long bolt 543 and are attached to the left side wall of the fixed knife 541, the fixed cushion blocks 544 are arranged on the two sides of the movable knife 542 and penetrate through the long bolt 543, the springs 545 and the gaskets 546 penetrate through the left side of the fixed cushion blocks 544, and finally the locknuts 547 are respectively fixed at the left ends of the long bolts 543.

In order to ensure the close fitting of the two blades, the long bolts 543 are used on the right sides of the fixed blade 541 and the movable blade 542 to determine the installation and movable positions of the two blades, the fixed cushion block 544 is penetrated into the bolts on the two sides and is pressed onto the movable blade 542, the spring 545 and the gasket 546 are penetrated into the left side of the fixed cushion block 544, finally, the locknut 547 is screwed to a proper position, the spring 545 is ensured to be stressed, the movable blade 542 is pressed onto the fixed blade 541 to ensure fitting, the gap between the two blades is reduced by adjusting the compression amount of the spring 545, the vibration of the blades in the cutting process is reduced to a certain extent, the cutting quality is ensured, and the conditions of burrs, uneven cuts, continuous cutting and the like of the label coil stock 01 are avoided.

The two sides of the movable knife 542 are hinged with the connector connecting rods 56, the bottoms of the connector connecting rods 56 are hinged with the linkage blocks 57 and fixed on the knife falling transmission shafts 58 at the two sides, a second motor 55 is adopted to drive the knife falling shafts to rotate, so that the consistency of the knife falling at the two sides of the movable knife 542 is ensured, the connector connecting rods 56 at the two sides below the movable knife 542 are respectively hinged with the linkage blocks 57 and are connected and fixed on the knife falling transmission shafts 58 through key grooves, and therefore an integral body is formed, namely the swing of the knife falling transmission shafts 58 in the circumferential direction is converted into the action of the movable knife 542 in the vertical direction, and therefore cut and break of the label coil stock 01 are achieved, and the transmission structure is stable and reliable. The linkage block 57 is connected with the key groove to fix the linkage block and the cutter falling transmission shaft 58 into a whole, so that the installation positions of the two sides are kept consistent, the consistency of the actions of the two sides of the movable cutter 542 when the cutter falling transmission shaft 58 rotates is ensured, and the structure is more stable and reliable.

Referring to fig. 2 and 8, the platform main body 1 is provided with an incoming material detection sensor 6, and the incoming material detection sensor 6 is used for detecting the label coil stock 01 on the feeding mechanism 2 in real time and sending a signal of the detected label coil stock 01 to the control panel 4.

It can be understood that the feeding mechanism 2 detects whether the label roll 01 exists or not in real time according to the incoming material detection sensor 6, and sends detected signals to the control panel 4, and the control panel 4 controls the whole machine to convey and break the label roll 01.

Referring to fig. 7, a foldable receiving mechanism 7 is disposed on the other side of the platform main body 1, the receiving mechanism 7 includes a receiving hopper 71, a guide baffle 72 is disposed in the receiving hopper 71, the receiving hopper 71 is rotatably connected with the platform main body 1 through a positioning shaft 73, and the receiving hopper 71 is foldable and disposed on the platform main body 1 through a telescopic supporting rod 74 capable of self locking.

The right side of the receiving hopper 71 is fixed to the front and rear sides of the positioning shaft 73 by using the positioning shaft 73 as a fulcrum and through a connecting block, and meanwhile, the end faces of the two sides of the receiving hopper 71 are hinged to the upper ends of the telescopic supporting rods 74, and the lower ends of the telescopic supporting rods 74 are fixed to the front and rear sides of the positioning shaft 73 located below by fixing blocks respectively, so that the folding function of the receiving hopper 71 is realized. The receiving hopper 71 takes the positioning shaft 73 at the left end of the platform main body 1 as a fulcrum, the telescopic supporting rod 74 is manually lifted up to be self-locked, so that the receiving hopper 71 is fixed to a proper angle position, a gradient is formed, the label finished products are convenient to fall and stack, meanwhile, the whole folding of the receiving hopper 71 is realized, the space is saved, and the operation is convenient.

Wherein, through setting up the guide flap 72, realize the location receipts material to the label finished product, in this embodiment, receive hopper 71 so set up to realize folding, but in practical application, this is not limited, as long as can reach above-mentioned technical effect.

Referring to fig. 1, 2, 4 and 8, the feeding mechanism 2 includes a feeding support 22, the feeding support 22 is foldable and disposed on the platform main body 1 through a telescopic stay 74, the feeding support 22 includes two parallel conveying arms 221, a fixing shaft 222 for connecting the conveying arms 221, and a conveying shaft 223 rotatably connected with the conveying arms 221, the conveying arms 221 are rotatably connected with the platform main body 1 through supporting blocks 224, a guiding structure 21 is disposed on an inner side of the conveying arms 221, and the guiding structure 21 is movably disposed along the fixing shaft 222 and the conveying shaft 223.

It will be appreciated that the feeding mechanism 2 is symmetrically provided with supporting blocks 224, and the supporting blocks 224 are respectively fixed to the right ends of the front and rear platform main bodies 1, the bottoms of the supporting blocks 224 are hinged to the conveying arms 221 through bearings, fixing holes of the fixing shafts 222 and mounting holes of the bearings 525 are uniformly distributed on the conveying arms 221, the fixing shafts 222 and the conveying shafts 223 are mounted to determine the feeding path of the label coil 01, the guiding structure 21 is symmetrically arranged on the shafts, the guiding structure 21 comprises a baffle 211, the fixing blocks 212 and screws 213, the baffle 211 can move along the fixing shafts 222 and the conveying shafts 223 by tightening or loosening the screws 213, the screws 213 are tightened to lock the baffle 211 after the baffle 211 is moved to a proper position, and the feeding path and the position of the label coil 01 are determined by uniformly distributed fixing shafts 222 and conveying shafts 223 and the baffle 211. A supporting plate 23 is fixed below the two-side conveying support arms 221 and hinged to the upper ends of the telescopic support rods 74, and meanwhile, the lower ends of the telescopic support rods 74 are respectively hinged to the fixing pieces 24 and fixed to the two-side platform main body 1, so that the whole folding function of the feeding mechanism 2 is achieved.

Before the label coil stock 01 is fed, the feeding support 22 is required to be lifted, the feeding mechanism 2 is fixed to a proper angle position after the telescopic supporting rods 74 at the two sides are self-locked, the label coil stock 01 is manually and alternately passed through the fixing shafts 222 and the conveying shafts 223 from the right side to ensure that the label coil stock 01 has certain tension and is conveyed smoothly, the label coil stock 01 is clamped by the baffle 211 to determine the integral trend position of the label coil stock 01, and the label coil stock 01 is respectively fixed by the screws 213 above the fixing blocks 212 to prevent the label coil stock 01 from deviating in the conveying process.

Before using the label coil stock to cut Zhang Jishi, the feeding bracket 22 of the feeding mechanism 2 is lifted before feeding the label coil stock 01, the telescopic supporting rods 74 at two sides are self-locked to fix the feeding mechanism 2 to a proper angle position, the label coil stock 01 is manually and alternately penetrated through the fixed shafts 222 and the conveying shafts 223 from the right side to ensure that the label coil stock 01 has certain tension and is conveyed smoothly, the label coil stock 01 is oppositely clamped by the baffle 211 to determine the integral trend position of the label coil stock 01, the label coil stock 01 is respectively fixed by the screws 213 above the fixed blocks 212 to prevent the label coil stock 01 from deviating in the conveying process, then the label coil stock 01 is placed on the adsorption panel, the pressing roller 512 is lifted by rotating the fixed handle 526 on the shaft of the pressing roller 512 to adjust the position of the label coil stock 01, and then the pressing roller 512 is put down to finish the preliminary feeding of the label coil stock 01; manually adjusting the sliding blocks on the first positioning guide rail 33 and the second positioning guide rail 34 to roughly adjust the positions of the color code sensors 32 on the adsorption panel, enabling the color code sensors 32 to be aligned with black mark points on the label coil stock 01, then manually adjusting the fine adjustment structure 35 to accurately adjust the color code sensors 32 to be aligned with the black mark points on the label coil stock 01, completing the accurate positioning of the color code sensors 32, manually adjusting the adjusting devices on two sides of the press roller 512 to enable the stress on two ends of the label coil stock 01 to be consistent so as to ensure the flatness of the label coil stock 01, starting the sheet breaker, controlling the sheet breaker to stop after running for a preset time, judging whether label finished products cut by the sheet breaker meet the rectangular shape requirement and the length requirement, if the label finished products do not meet the rectangular shape requirement, indicating that the pressures on two sides of the press roller 512 are inconsistent, leading to inconsistent stress on two ends of the label coil stock 01, therefore, the pressure adjusting device 52 needs to be adjusted, and/or if the label finished product does not meet the length requirement, it is indicated that the mark point aligned by the color code sensor 32 is problematic, so that it is required to adjust the color code sensor 32 to be aligned with another mark point on the label coil 01 again, start the sheet cutter, control the sheet cutter to stop after running for a preset time, determine whether the label finished product cut by the sheet cutter meets the rectangular shape requirement and the length requirement until the label finished product cut by the sheet cutter meets the rectangular shape requirement and the length requirement, and restart the sheet cutter when the label finished product meets the rectangular shape requirement and the length requirement at the same time, so as to mass-produce the label finished product.

In summary, the sheet breaker for the label coil stock is designed by the whole machine structure of the sheet breaker, the platform main body 1 is fixed on the chassis base, and the sheet breaker sequentially carries out the procedures of fixing, adsorbing, labeling positioning, conveying, sheet breaking and collecting on the label coil stock 01 from the platform main body 1, so that the function of finally obtaining a label finished product with a specified length from the label coil stock 01 is realized, the whole machine structure is compact, the occupied area is smaller, and the sheet breaker is suitable for being used in different working scenes. The fixed length cutting of the label coil stock 01 with different thicknesses and different materials can be realized, continuous cutting can be realized, the label finished products with specified length and quantity can be finally obtained, the problems that the automation degree of the prior art is not high, the cutting efficiency is low, the length of the label finished product obtained after the label coil stock 01 is cut is unstable and the like can be solved, the occupied area of the sheet breaker is small so as to realize the use of different working scenes, the operation is simple and convenient, the automation degree is high, and the manual intervention and adjustment are greatly reduced.

It should be noted that in this specification relational terms such as first and second are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.

The label provided by the utility model the coil stock is described in detail with a sheet breaker. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims (9)

1. A sheet breaker for label rolls, comprising:

the automatic feeding device comprises a platform main body (1), wherein a foldable feeding mechanism (2) is arranged on one side of the platform main body (1), and the feeding mechanism (2) is provided with a guide structure (21) for controlling the trend of label coil stock (01);

The adsorption mechanism (3) is arranged at the discharge end of the platform main body (1) and positioned at the discharge end of the feeding mechanism (2), the adsorption mechanism (3) comprises a vacuum adsorption platform (31) for adsorbing the label coil stock (01), and a color code sensor (32) which is movably arranged on the vacuum adsorption platform (31) and is used for identifying a marking point on the label coil stock (01), and the vacuum adsorption platform (31) and the color code sensor (32) are both in signal connection with a control panel (4) on the platform main body (1);

Carry disconnected open mechanism (5), locate platform main part (1) and be located vacuum adsorption platform (31) keep away from the one end of feed mechanism (2), carry disconnected open mechanism (5) including be used for adjusting carry roller group (51) carry pressure regulating device (52) of the pressure of label coil stock (01), locate carry roller group (51) discharge end and be used for flattening pressure material subassembly (53) of label coil stock (01), locate the discharge end of pressure material subassembly (53) and be used for the cutting subassembly (54) of label coil stock (01), carry roller group (51) with cutting subassembly (54) all with control panel (4) signal connection.

2. The sheet cutter for label roll stock according to claim 1, wherein a first positioning guide rail (33) extending along a conveying direction of the label roll stock (01) and a second positioning guide rail (34) extending along a direction perpendicular to the conveying direction of the label roll stock (01) are arranged on the vacuum adsorption platform (31), the second positioning guide rail (34) is movably arranged on the first positioning guide rail (33), a movable color mark sensor (32) is arranged on the second positioning guide rail (34), and the color mark sensor (32) is arranged in a moving manner along the conveying direction of the label roll stock (01) through a fine adjustment structure (35).

3. The sheet breaker for label roll according to claim 1, wherein the conveying roller set (51) comprises a conveying roller (511) and a pressing roller (512) arranged right above the conveying roller (511), the conveying roller (511) is abutted to the outer peripheral surface of the pressing roller (512), and the sheet breaker further comprises a first motor in signal connection with the control panel (4), and the first motor is connected with the conveying roller (511) and is used for driving the conveying roller (511) to rotate so as to drive the pressing roller (512) to rotate synchronously with the conveying roller (511).

4. A sheet breaker for label rolls according to claim 3, characterized in that the press roll (512) has a press roll shaft, the pressure regulating device (52) comprises a support (521) provided at both ends of the press roll shaft, the support (521) is provided at the platform main body (1), a movable sliding press block (522) is provided in a chute of the support (521), the sliding press block (522) is limited in the chute by a compression spring (523) and a limit screw (524) at the top of the support (521), the sliding press block (522) is rotatably connected with the press roll shaft, a rotatable bearing (525) is provided at one side of the bottom of the support (521), an eccentric portion corresponding to the bearing (525) is provided at the press roll shaft, and a fixed handle (526) is further provided at the press roll shaft.

5. The sheet cutter for label roll stock according to claim 4, wherein the material pressing assembly (53) comprises a material pressing shaft (531), a material pressing table (532) and a silica gel ring (533), the material pressing table (532) is arranged on the platform main body (1), the material pressing shaft (531) is rotationally connected with the platform main body (1) and is positioned at the top of the material pressing table (532), the silica gel ring (533) is wound around the periphery of the material pressing shaft (531) and the press roller (512), so that the material pressing shaft (531) and the press roller (512) synchronously rotate, the silica gel ring (533) wound around the material pressing shaft (531) is in contact with the material pressing table (532), and a cutting groove (534) for installing the silica gel ring (533) is arranged on the periphery of the press roller (512).

6. The sheet cutter for label rolls according to claim 5, wherein the cutting assembly (54) is provided at a discharge end of the pressing table (532), the cutting assembly (54) includes a fixed blade (541) and a movable blade (542), the movable blade (542) is attached to the fixed blade (541) by an adjusting device, the adjusting device includes a long bolt (543) for connecting the fixed blade (541) and the movable blade (542), an end portion of the long bolt (543) is sleeved with a fixed pad (544), a spring (545), a washer (546) and a locknut (547), the movable blade (542) is provided with a long hole (5421) for mounting the long bolt (543) so that the movable blade (542) moves along a side surface of the fixed blade (541), and the movable blade (542) is driven by a second motor (55) in signal connection with the control panel (4) so that the movable blade (542) moves along the side surface of the fixed blade (541).

7. The sheet cutter for label roll according to claim 1, wherein the platform main body (1) is provided with an incoming material detection sensor (6), and the incoming material detection sensor (6) is used for detecting the label roll (01) on the feeding mechanism (2) in real time and sending a detected signal of the label roll (01) to the control panel (4).

8. The sheet breaker for label roll stock according to claim 1, wherein a foldable receiving mechanism (7) is arranged on the other side of the platform main body (1), the receiving mechanism (7) comprises a receiving hopper (71), a guide baffle (72) is arranged in the receiving hopper (71), the receiving hopper (71) is rotationally connected with the platform main body (1) through a positioning shaft (73), and the receiving hopper (71) is arranged on the platform main body (1) in a foldable manner through a self-locking telescopic supporting rod (74).

9. The sheet breaker for label rolls according to claim 8, characterized in that the feeding mechanism (2) comprises a feeding bracket (22), the feeding bracket (22) is foldable and arranged on the platform main body (1) through the telescopic supporting rod (74), the feeding bracket (22) comprises two parallel conveying support arms (221) and a fixing shaft (222) for connecting the conveying support arms (221), a conveying shaft (223) rotationally connected with the conveying support arms (221), the conveying support arms (221) are rotationally connected with the platform main body (1) through supporting blocks (224), the guiding structure (21) is arranged on the inner side of the conveying support arms (221), and the guiding structure (21) is movably arranged along the fixing shaft (222) and the conveying shaft (223).