CN211971127U - Marking machine and its paging mechanism - Google Patents

Abstract

The utility model relates to a marking machine and paging mechanism thereof, which comprises a paging platform for placing a packaging bag stack, a separation belt arranged on the paging platform and a baffle belt positioned above the separation belt, wherein the paging platform is provided with a separation groove, the separation belt is positioned in the separation groove, the upper surface of the separation belt is flush with the surface of the paging platform or is higher than the surface of the paging platform, and a first driving piece for driving the separation belt to transmit is arranged in the paging platform; the blocking belt extends towards the transmission direction of the separating belt and is abutted against the upper surface of the separating belt, and a closing opening is formed between the blocking belt and the separating belt. The utility model discloses have can be fast automatic carry out the paging to the wrapping bag heap, the operator of being convenient for is laborsaving separates the effect of solitary wrapping bag one by one rapidly.

Description

Marking machine and its paging mechanism

technical field

The utility model relates to the technical field of marking machines, in particular to a marking machine and a paging mechanism thereof.

Background technique

The Chinese Patent Publication No. CN207140562U discloses an automatic marking machine with controllable marking frequency, including a marking machine main body, a transmission device, an induction machine, a control center, a transmission motor and a cylinder, and one end of the marking machine main body passes through a wire It is connected to the control center, the infrared sensing device is connected to the control center through wires, the transmission device is connected to the transmission motor through wires, and the transmission motor is connected to the control center through wires. , digital keyboard, acceleration control button, deceleration control button, open and close control button, emergency stop control button and motor open and close button, the control center transmits the product to the lower end of the main body of the marking machine through the conveying device to mark the time of the product packaging card, The control center controls the main body of the marking machine to change the frequency and delay the automatic marking through the keys.

The above-mentioned prior art solutions have the following defects: in actual production, the packaging bags are usually placed in piles after production is completed, and when the above-mentioned automatic marking machine is used to mark the packaging bag piles, the operator The stack is separated into individual bags, and then the individual bags are placed on the conveyor for marking, which is time-consuming and labor-intensive.

Utility model content

In view of the deficiencies in the prior art, one of the objectives of the present invention is to provide a paging mechanism that can easily and labor-savingly divide a stack of packaging bags into individual packaging bags.

The above-mentioned utility model purpose of the present utility model is achieved through the following technical solutions: a paging mechanism, comprising a paging table for placing a stack of packaging bags, a separation belt arranged on the paging table, and a blocking belt located above the separation belt, The paging table is provided with a separation groove, the separation belt is located in the separation groove, and the upper surface of the separation belt is flush with the surface of the paging table or higher than the surface of the paging table, and a driving separation belt is arranged in the paging table The first driving member of the transmission; the blocking belt extends toward the transmission direction of the separation belt and abuts on the upper surface of the separation belt, and a gap is formed between the blocking belt and the separation belt.

By adopting the above technical solution, the operator places the stack of packaging bags at the mouth, and at this time the upper surface of the separation belt collides with the packaging bag a at the bottom of the stack of packaging bags, and then the first driving member drives the separation belt to drive, and the separation belt The packaging bag a exerts a thrust towards the driving direction of the separation belt, so that the packaging bag a is transported between the separation belt and the blocking belt and finally transferred out of the separation belt. Continuous circulation can quickly and automatically paginate the stack of packaging bags, so that the operator can quickly and effortlessly separate out individual packaging bags.

In a preferred example of the present invention, it can be further configured as follows: the paging table is provided with two uprights, the opposite sides of the two uprights are provided with a first chute along the vertical direction, and two of the first A first connecting rod is slidably connected between a chute at the same time, two ends of the first connecting rod pass through the first chute and are threadedly connected with a first locking nut, and one end of the blocking belt away from the separation belt is connected to the on the first link.

By adopting the above technical solution, the operator can freely adjust the height of the first connecting rod through the sliding cooperation between the first connecting rod and the first chute, and then tighten the first locking nut to lock the first connecting rod on the first connecting rod. On the two uprights, the height of the blocking belt can be adjusted quickly and conveniently, that is, the height of the closing mouth is adjusted to adapt to the stacks of packaging bags of different heights.

In a preferred example of the present invention, it can be further configured as follows: a first support rod is arranged above the paging table, a first pressure wheel is arranged on the first support rod, and the first pressure wheel is in contact with the stopper. The side of the strap facing away from the separation strap.

By adopting the above technical solution, the first pressing wheel can limit the side of the blocking belt away from the separation belt, so as to reduce the possibility of the blocking belt jumping during the transmission of the separation belt; Passing between the belt and the separation belt reduces the occurrence of the increase of the gap between the blocking belt and the separation belt due to the jumping of the blocking belt, and the occurrence of multiple packaging bags at one time.

In a preferred example of the present invention, it can be further configured as follows: the first support rod is provided with a concave-shaped plate, and the first support rod passes through two opposite sides of the concave-shaped plate, and the first pressure plate The wheel is rotatably connected between two opposite sides of the indented plate, a tension spring is arranged between the indented plate and the first connecting rod, and one end of the tension spring is connected to the side of the indented plate away from the first pressing wheel. One side, the other end is connected to the first link.

By adopting the above technical solution, the tension spring always has a pulling force on the indented plate, thereby driving the indented plate to have a tendency to rotate toward the blocking belt. At this time, the first pressure roller elastically resists the side of the blocking belt away from the separation belt. , so that the packaging bags can pass through in sequence and are not easily stuck between the separation belt and the blocking belt.

In a preferred example of the present invention, at least one clip is provided on the first support rod, and one side of the clip extends toward the transmission direction of the separation belt.

By adopting the above technical solution, the clips can limit the packaging bag on the outside of the separation belt, thereby reducing the possibility of the part of the packaging bag located outside the separation belt being lifted, so that the packaging bag can be smoothly conveyed out between the separation belt and the blocking belt.

In a preferred example of the present invention, it can be further configured as follows: a second support rod is arranged above the paging table, and a second pressure wheel is rotatably connected to the second support rod, and the second pressure wheel is located at the stop Tape the end away from the cuff.

By adopting the above technical solution, when the packaging bag is conveyed out from between the separation belt and the blocking belt, the second pressing wheel can be pressed on the packaging bag, reducing the possibility of the packaging bag being lifted, so that the packaging bag can be conveyed flatly downward A work station.

In a preferred example of the present invention, it can be further configured as follows: a second connecting rod is connected between the two uprights, the second connecting rod is provided with a pre-segment, and the pre-segment faces the side of the paging table. One end is inclined towards the driving direction of the separation belt.

By adopting the above technical solution, in cooperation with the conveying force of the separation belt, the inclined portion of the pre-slicing can pre-segment the stack of packaging bags, so that the stack of packaging bags is blocked into a parallelogram shape by the pre-slicing. The two adjacent packaging bags in the stack are not completely overlapped, but form a dislocation structure, which makes it easier for the separation belt to paginate the stack of packaging bags, and also reduces the possibility of the separation belt being brought into multiple packaging bags at the same time. Improved pagination stability for bag stacks.

In a preferred example of the present invention, it can be further configured as follows: the separation groove is provided with a pre-separation belt, the pre-separation belt is located on the input side of the separation belt, and the paging table is provided with a drive for driving the pre-separation belt transmission. second drive.

By adopting the above technical solution, the pre-separation belt can apply a driving force to the bottom of the stack of packaging bags in the driving direction of the separation belt, so that the stack of packaging bags can always be stably abutted on the pre-segmented sheet, and the packaging at the bottom of the stack of packaging bags can also be maintained. The bag a is always in conflict with the separation belt, reducing the possibility of interruption of the paging process caused by the separation of the stack of packaging bags from the separation belt.

In a preferred example of the present invention, it can be further configured that: the paging table is provided with two positioning plates, and the two positioning plates are respectively located on both sides of the separation belt along the transmission direction.

By adopting the above technical solution, the operator places the stack of packaging bags between the two positioning plates, so that the two positioning plates can limit the stack of packaging bags and each packaging bag during the conveying process, reducing the number of stacks of packaging bags And the situation of the position deflection of the packaging bags in conveying occurs, and then the packaging bags are output in order.

Another object of the present utility model is to provide a marking machine that can automatically paginate and mark a stack of packaging bags.

The above utility model purpose of the present utility model is achieved through the following technical solutions: a marking machine, comprising the above-mentioned paging mechanism, also comprising a conveyor belt and a marking head located above the transmission belt, the input end of the transmission belt and the separation belt The transmission belt is provided with several air holes, and the bottom of the conveyor belt is provided with an air extraction mechanism; the air extraction mechanism includes several air pipes, one end of each of the air pipes extends to the bottom of the conveyor belt, and the other end is connected with a pumping mechanism. air pump.

By adopting the above technical solution, when the air pump is working, the bottom of the transmission belt is pumped through the trachea, and a negative pressure is formed on the packaging bag through the air holes on the conveyor belt, so that the packaging bag can be stably adsorbed on the conveyor belt, reducing the possibility of the packaging bag being deflected. , so that the marking head can accurately mark the packaging bag.

To sum up, the present utility model includes at least one of the following beneficial technical effects:

1. It can quickly and automatically paginate the stack of packaging bags, so that the operator can quickly and effortlessly separate out individual packaging bags;

2. The air extraction mechanism can form a negative pressure on the packaging bag through the air holes on the conveyor belt, so that the packaging bag can be stably adsorbed on the conveyor belt, reducing the possibility of deflection of the packaging bag, so that the marking head can accurately mark the packaging bag .

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of the present embodiment where a stack of packaging bags is placed.

FIG. 2 is a schematic structural diagram for embodying the first driving member and the second driving member in this embodiment.

FIG. 3 is a schematic structural diagram of the present embodiment for embodying the paging mechanism.

FIG. 4 is a partial enlarged schematic view of part A in FIG. 3 .

FIG. 5 is a schematic structural diagram for embodying the air extraction mechanism in this embodiment.

In the figure, 1, paging table; 11, separation groove; 12, separation belt; 121, convex point; 122, separation roller; 13, first drive member; 14, second drive member; 15, pre-separation belt; 151, Pre-separation roller; 2. Blocking belt; 21. Closure; 22. Connecting piece; 23. Fixing screw; 3. Upright column; 30. Second chute; 31. First chute; 32. First connecting rod; 33, The first locking nut; 34, the second connecting rod; 341, the secondary guide piece; 35, the pre-segmentation; 36, the pre-segmentation; 37, the threaded rod; Support plate; 41, first support rod; 42, grooved plate; 421, pull rod; 43, first pressure wheel; 44, extension spring; 441, rubber band; 46, clip; 47, second support rod; 48 , the second pressure wheel; 49, the third support rod; 491, the interference rod; 5, the positioning plate; 51, the first positioning block; 52, the second positioning block; 53, the scale; 6, the conveyor belt; 61, the air hole; 7 , marking head; 8, pumping mechanism; 81, collecting box; 82, trachea; 83, pumping pump; 9, packing bag stack.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

1 , a marking machine disclosed by the utility model includes a conveyor belt 6 , a marking head 7 and a paging mechanism. The marking head 7 is located above the conveyor belt 6 , and the paging mechanism is located at the input end of the conveyor belt 6 .

1 and 2, the paging mechanism includes a paging table 1, the upper surface of the paging table 1 is flush with the upper surface of the conveyor belt 6, a separation groove 11 is opened on the paging table 1, and the separation groove 11 is provided along the length direction of the paging table 1. There are separation belt 12 and pre-separation belt 15, two separation rollers 122 and two pre-separation rollers 151 are rotatably connected in the separation groove 11, and the separation belt 12 and pre-separation belt 15 are respectively wound around the two separation rollers 122 and two On the pre-separation roller 151, the paging table 1 is provided with a first driving member 13 and a second driving member 14 for driving the separation belt 12 and the pre-separating belt 15. In this embodiment, the first driving member 13 and the second driving member 14 are set as drive motors, the two drive motors are fixed in the paging table 1, and the output ends of the two drive motors are coaxially fixed on one of the separation rollers 122 and the pre-separation roller 151, so as to separate the belt 12 and the pre-separation roller 151. The sub-belt 15 is driven. The pre-separation belt 15 is located on the side of the separation belt 12 away from the conveyor belt 6. Both the pre-separation belt 15 and the separation belt 12 are 1-2 mm higher than the surface of the paging table 1. The separation belt 12 is densely covered with a number of bumps 121 to increase the surface roughness. Spend.

3 and 4, two uprights 3 are fixed on the paging table 1, the two uprights 3 are respectively located on both sides of the paging table 1 along the length direction, and the opposite side of the two uprights 3 is provided with a second column along the vertical direction. A sliding groove 31, a first connecting rod 32 is slidably connected between the two first sliding grooves 31, and both ends of the first connecting rod 32 pass through the first sliding groove 31 and are threadedly connected with a first locking nut 33 , the two first locking nuts 33 are tightened and abutted on the opposite side of the two uprights 3 , so that the first connecting rod 32 is fixed on the two uprights 3 . The upper part of the separation belt 12 is provided with a blocking belt 2 made of a flexible material. One end of the blocking belt 2 is provided with a connecting piece 22. The connecting piece 22 is provided with a fixing screw 23 passing through the blocking belt 2 at the same time. The fixing screw 23 Tighten it on the first connecting rod 32, so that one end of the blocking belt 2 is fixed on the first connecting rod 32, the other end of the blocking belt 2 extends along the transmission direction of the separation belt 12, and the blocking belt 2 is at least two-thirds The length of the stop band 2 is in contact with the upper surface of the separation belt 12 , and a closing opening 21 is formed between the part of the blocking belt 2 that is not in conflict with the separation belt 12 and the separation belt 12 .

Referring to FIG. 3 , the opposite side of the two uprights 3 is also provided with a second chute 30 in the vertical direction, and a third connecting rod 38 and a threaded rod 37 are simultaneously slidably connected in the two second chute 30 from bottom to top. As well as the second link 34 , the connection between the second link 34 , the third link 38 and the column 3 is the same as the connection between the first link 32 and the column 3 . Two ends of the threaded rod 37 are connected with a quincunx knob 371 passing through the second chute 30 , and the operator drives the threaded rod 37 to rotate by turning the quincunx knob 371 . Two positioning plates 5 are placed on the sorting table 1 , the two positioning plates 5 are respectively located on both sides of the separation belt 12 along the length direction, and two first positioning blocks 51 and one second positioning block 52 are fixed on the positioning plate 5 , the two first positioning blocks 51 are sleeved on the second connecting rod 34 and the third connecting rod 38 respectively, and the second positioning block 52 is threaded on the threaded rod 37. ) is placed between the two positioning plates 5. At this time, the positioning plate 5 plays a guiding and positioning role for the packaging bag stack 9. The rotation of the threaded rod 37 can drive the positioning plate 5 to move along the width direction of the sorting table 1. In order to facilitate the operator to flexibly adjust the initial position of the stack of packaging bags 9 , the sorting table 1 is provided with a scale 53 along the width direction, so that the operator can accurately adjust the position of the positioning plate 5 .

Referring to FIGS. 3 and 4 , the third connecting rod 38 is sleeved with a pre-segment block 35 , and the pre-segment block 35 is also threadedly connected to the threaded rod 37 . This arrangement can ensure that the pre-segment block 35 remains vertical. The pre-segmentation block 35 is fixed with a pre-segmentation 36 along the vertical direction. The end of the pre-segmentation 36 is inclined toward the transmission direction of the separation belt 12 and extends to the closing 21 at one end of the paging table 1. The angle of inclination is 45°. The connecting rod 34 is provided with a secondary guide piece 341 . The secondary guide piece 341 is located on the side of the pre-segment piece 36 away from the separation belt 12 and extends obliquely toward the upper mouth wall of the closing mouth 21 .

Referring to Figures 3 and 4, the operator places the stack of packaging bags 9 (as shown in Figure 1) between the two positioning plates 5, at this time the stack of packaging bags 9 is located on the pre-separation belt 15 at the same time, and then the two drive motors work simultaneously , the pre-separation belt 15 conveys the stack of packaging bags 9 to the separation belt 12, the stack of packaging bags 9 is blocked by the pre-segmented sheet 36 and inclined to form a parallelogram shape, and the adjacent two packaging bags in the stack of packaging bags 9 form a dislocation structure, and The packaging bag a at the bottom of the packaging bag stack 9 is in conflict with the separation belt 12. At this time, the frictional force between the separation belt 12 and the packaging bag a is greater than the frictional force between the packaging bag a and the adjacent packaging bags, so that the separation belt 12 The packaging bag a is transferred between the separation belt 12 and the blocking belt 2, and other packaging bags are blocked by the secondary guide 341 at the mouth wall of the closing 21, thus separating the packaging bag a from the packaging bag stack 9. With this cycle, the packaging bag stack 9 can be continuously separated.

Referring to FIG. 3 , a support plate 4 is respectively fixed on both sides of the sorting table 1 along the length direction, a first support rod 41 and a second support rod 47 are fixed between the two support plates 4 , and the second support rod 47 is located at The first support rod 41 is on the side away from the upright column 3 , and the first support rod 41 and the second support rod 47 are both located on the side of the blocking belt 2 away from the separation belt 12 , and the first support rod 41 is provided with a concave plate 42 . , and the first support rod 41 passes through two opposite sides of the indented plate 42, and a first pressing wheel 43 made of rubber is rotatably connected between the two opposite sides of the indented plate 42, and the indented plate 42 is far away from the first pressure roller 43. One end of the pressing wheel 43 is threadedly connected with a pull rod 421, a tension spring 44 is hooked between the pull rod 421 and the connecting piece 22, and the tension spring 44 is always in a stretched state; 441, the two ends of the elastic band 441 are respectively sleeved on the pull rod 421 and the pre-segmented block 35, so that the tension spring 44 and the elastic band 441 jointly exert a pulling force on the concave plate 42, so that the first pressing wheel 43 always has the force on the blocking belt 2. One pressing lining, so that the side of the blocking belt 2 away from the separating belt 12 can be limited, so as to reduce the possibility of the blocking belt 2 jumping during the driving process of the separating belt 12 .

3, a third support rod 49 is fixed between the two support plates 4, the third support rod 49 is located between the first support rod 41 and the second support rod 47, and the third support rod 49 is threaded and threaded A resisting rod 491 is connected, and the resisting rod 491 resists the side of the blocking belt 2 away from the separation belt 12 , further reducing the possibility of the blocking belt 2 jumping. A second pressure roller 48 is rotatably connected to the second support rod 47 , and the second pressure roller 48 is located at the end of the blocking belt 2 away from the closing opening 21 . To the surface of the conveyor belt 6 , at this time, the second pressing roller 48 presses the side of the packaging bag away from the conveyor belt 6 , so that the packaging bag is conveyed to the conveyor belt 6 flatly.

3 and 4, two clips 46 are clamped on the first support rod 41, and the two clips 46 are respectively in contact with the two sides of the indented plate 42 to limit the indented plate 42 and reduce the indentation. The possibility of the plate 42 moving on the first support rod 41 improves the positional stability of the first pressing wheel 43 . One side of the clip 46 extends toward the transmission direction of the separation belt 12 and is in contact with the upper surface of the conveyor belt 6. When the packaging bag is conveyed to the conveyor belt 6, the clip 46 abuts on the side of the packaging bag away from the conveyor belt 6, thereby preventing the packaging of the packaging bag. The bag is limited, thereby reducing the possibility that the packaging bag is partially lifted, so that the packaging bag can be smoothly conveyed out between the separation belt 12 and the blocking belt 2 .

1 and 5, the bottom of the conveyor belt 6 is provided with an air extraction mechanism 8, the air extraction mechanism 8 includes an air extraction pump 83, a number of air pipes 82 and a gas collection box 81, the air collection box 81 is fixed at the bottom of the conveyor belt 6, and the air pipe 82 is provided with three They are respectively connected to different positions at the bottom of the air collecting box 81. The other ends of the three air pipes 82 are connected to the air pump 83 at the same time. The conveyor belt 6 is provided with a number of air holes 61. A negative pressure is generated for the packaging bag, so that the packaging bag is stably adsorbed on the conveyor belt 6, reducing the possibility of deflection of the packaging bag, so that the marking head 7 can accurately mark the packaging bag.

The implementation principle of this embodiment is as follows: the operator first places the stack of packaging bags 9 between the two positioning plates 5 and on the pre-separation belt 15, then the two drive motors work simultaneously, and the pre-separation belt 15 transports the stack of packaging bags 9 Towards the separation belt 12, the packing bag stack 9 is blocked by the pre-segmented sheet 36 and inclined to form a parallelogram shape, the two adjacent packing bags in the packing bag stack 9 form a dislocation structure, and the packing bag a at the bottom of the packing bag stack 9 is the same as the one. The separation belt 12 is in conflict. At this time, the separation belt 12 transfers the packaging bag a between the separation belt 12 and the blocking belt 2, and the other packaging bags are blocked by the secondary guide piece 341 at the mouth wall of the closing mouth 21, so that the packaging bag a is blocked. Separated from bag stack 9. The packaging bag a is conveyed by the separation belt 12 to the conveyor belt 6. At this time, the upper part of the packaging bag a is resisted by the clip 46, and the lower part is always subjected to a suction force, so that the packaging bag a can be smoothly driven to the bottom of the marking head 7 along with the conveyor belt 6. , and finally the marking head 7 can mark the packaging bag a, so the cycle can quickly and automatically complete the paging and marking work on the packaging bag stack 9.

The embodiments of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention, therefore: all equivalent changes made according to the structure, shape and principle of the present invention are It should be covered within the protection scope of the present invention.

Claims (10)

1. A paging mechanism, characterized in that it comprises a paging table (1) for placing a stack of packaging bags (9), a separation belt (12) arranged on the paging table (1), and a separation belt (12) above the separation belt (12). The blocking belt (2) is provided with a separation groove (11) on the paging table (1), the separation belt (12) is located in the separation groove (11), and the upper surface of the separation belt (12) and the The surface of the sorting table (1) is flush with or higher than the surface of the sorting table (1), and the sorting table (1) is provided with a first driving member (13) for driving the transmission of the separation belt (12); The blocking belt (2) extends toward the transmission direction of the separating belt (12) and is in contact with the upper surface of the separating belt (12), and a closing (21) is formed between the blocking belt (2) and the separating belt (12). . 2. The paging mechanism according to claim 1, characterized in that: the paging table (1) is provided with two uprights (3), and the opposite sides of the two uprights (3) are opened along the vertical direction There is a first chute (31), a first connecting rod (32) is slidably connected between the two first sliding grooves (31), and both ends of the first connecting rod (32) pass through the first connecting rod (32). The chute (31) is threadedly connected with a first locking nut (33), and one end of the blocking band (2) away from the separation band (12) is connected to the first connecting rod (32). 3. The paging mechanism according to claim 2, characterized in that: a first support rod (41) is provided above the paging table (1), and a first pressure rod (41) is provided on the first support rod (41). A wheel (43), the first pressing wheel (43) is in contact with the side of the blocking belt (2) away from the separation belt (12). 4. The paging mechanism according to claim 3, characterized in that: the first support rod (41) is provided with a concave-shaped plate (42), and the first support rod (41) passes through the concave-shaped plate (42). Two opposite sides of the plate (42), the first pressing wheel (43) is rotatably connected between the two opposite sides of the indented plate (42), the indented plate (42) and the first connecting rod (32) There is a tension spring (44) therebetween, one end of the tension spring (44) is connected to the side of the concave plate (42) away from the first pressing wheel (43), and the other end is connected to the first connecting rod (32) )superior. 5 . The paging mechanism according to claim 3 , wherein at least one clip ( 46 ) is provided on the first support rod ( 41 ), and one side of the clip ( 46 ) faces the separation belt ( 12 ). 6 . ) in the drive direction. 6. The paging mechanism according to claim 2, characterized in that: a second support rod (47) is arranged above the paging table (1), and a second support rod (47) is rotatably connected to the second support rod (47). A pressing wheel (48), the second pressing wheel (48) is located at one end of the blocking belt (2) away from the closing opening (21). 7 . The paging mechanism according to claim 2 , wherein a second connecting rod ( 34 ) is connected between the two upright columns ( 3 ), and the second connecting rod ( 34 ) is provided with a pre-separator. 8 . A sheet (36), the end of the pre-segmented sheet (36) facing the sorting table (1) is inclined toward the driving direction of the separating belt (12). 8. The paging mechanism according to claim 7, characterized in that: the separation groove (11) is provided with a pre-separation band (15), and the pre-separation band (15) is located on the input side of the separation band (12). and a second drive member (14) for driving the pre-separation belt (15) is arranged in the paging table (1). 9 . The paging mechanism according to claim 1 , wherein two positioning plates ( 5 ) are provided on the paging table ( 1 ), and the two positioning plates ( 5 ) are respectively located on the separation belt ( 12 ). 10 . Both sides along the drive direction. 10. A marking machine, comprising the paging mechanism according to any one of the above claims 1-9, also comprising a conveyor belt (6) and a marking head (7) located above the transmission belt, characterized in that: the transmission belt The input end of the conveyor belt (12) is connected to the output end of the separation belt (12), a plurality of air holes (61) are opened on the transmission belt, and an air extraction mechanism (8) is provided at the bottom of the conveyor belt (6); The air suction mechanism (8) includes a plurality of air pipes (82), one end of each of the air pipes (82) extends to the bottom of the conveyor belt (6), and the other end is connected with an air suction pump (83).

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