CN115991402A - A self-adhesive trademark die-cutting machine - Google Patents

Abstract

The invention relates to the technical field of die cutting machines, in particular to a self-adhesive trademark die cutting machine. The utility model provides a self-adhesive trademark cross cutting machine includes frame, blowing mechanism, traction mechanism, cross cutting mechanism and winding mechanism, still includes corner control assembly, blowing mechanism, traction mechanism, cross cutting mechanism and winding mechanism all locate in the frame, corner control assembly includes transmission piece, positioner and induction piece, transmission piece and induction piece are all installed in the frame, transmission piece is located cross cutting mechanism one side, a plurality of positioner evenly locates on transmission piece in proper order, induction piece is located transmission piece one end, induction piece is relative with positioner. When the sensing piece senses that the moving distance of the positioning device is equal to the length of the die cutting mechanism for completing die cutting, the discharging mechanism, the traction mechanism and the winding mechanism are operated to stop rotating synchronously, so that the rotating angle of the winding mechanism can be controlled more accurately, and errors in the winding process are reduced.

Description

A self-adhesive trademark die-cutting machine

technical field

The invention relates to the technical field of die-cutting machines, in particular to a self-adhesive trademark die-cutting machine.

Background technique

Self-adhesive trademarks are made of paper, film and other materials, with adhesive on the back and silicon-coated protective paper as a composite material. After printing, die-cutting and other processes, they become finished trademarks and are often used on product packaging. . Self-adhesive label die-cutting machine, also known as CNC die-cutting machine, can automatically complete the die-cutting and waste collection of self-adhesive labels, which is very convenient.

In the related art, an automatic high-speed self-adhesive trademark die-cutting machine and die-cutting process are disclosed. The die-cutting machine includes a frame, and a feeding mechanism, a traction mechanism, a die-cutting mechanism and a winding mechanism are arranged on the frame; The die-cutting mechanism includes an upper template and a lower template. The upper template and the lower template are connected by a guide mechanism. There is also a buffer mechanism between the upper template and the lower template. The lower end is provided with an insert block, and a slot is arranged on the knife template, and the knife template can be inserted into the insert block through the slot and locked. The process includes unwinding, die cutting, main material waste separation and winding.

In view of the related technologies mentioned above, the inventor believes that during the process of winding the finished trademark, the thickness of the finished trademark wound on the winding mechanism will continue to increase. Therefore, the winding mechanism needs to rotate when winding a finished trademark of the same length. The angle is constantly changing. If the angle of the winding mechanism is too large or too small, it will cause errors in the winding work and interfere with the normal operation of the die-cutting machine.

Contents of the invention

In order to improve the precision of the rotation angle of the winding mechanism of the die-cutting machine, the application provides a self-adhesive trademark die-cutting machine.

This application provides a self-adhesive trademark die-cutting machine, which adopts the following technical scheme:

A self-adhesive trademark die-cutting machine includes a frame, a feeding mechanism, a traction mechanism, a die-cutting mechanism and a winding mechanism, and also includes a corner control assembly. The discharging mechanism, the pulling mechanism, the die-cutting mechanism and the winding mechanism The mechanisms are all arranged on the frame, and the corner control assembly includes a transmission part, a positioning device and an induction part. The transmission part and the induction part are installed on the frame. The positioning device is evenly arranged on the transmission part in turn, the induction part is located at one end of the transmission part, and the induction part is opposite to the positioning device.

By adopting the above-mentioned technical scheme, before winding up the trademark, first operate a positioning device to lock a position of the trademark in the die-cutting mechanism, and start the transmission part while winding up the trademark, so that the positioning device moves synchronously with the trademark. When the piece senses that the moving distance of the positioning device is equal to the length of the die-cutting mechanism completed, the unwinding mechanism, the traction mechanism and the winding mechanism are operated to stop rotating synchronously. Therefore, the rotation angle of the winding mechanism can be controlled more precisely, and errors in the winding process can be reduced. Moreover, since several positioning devices are provided, the above operations can be repeated, so that the rotation angle of the winding mechanism can be controlled more precisely during the entire winding process.

In a specific possible implementation, the positioning device includes a telescopic pressing part, a turntable, and a driving part for driving the turntable to rotate. Both the turntable and the driving part are installed on the transmission part, and the telescopic pressing part is installed On the turntable, the driving part is connected with the turntable, and the induction part is opposite to the telescopic pressing part.

By adopting the above technical solution, the telescopic pressing part is shortened, and the trademark can be pressed tightly on the die-cutting mechanism, thereby not only locking a position of the trademark, but also reducing the shaking of the trademark during die-cutting. When the telescopic pressing part is extended, the telescopic pressing part is out of contact with the trademark. At this time, the driving part drives the turntable to rotate, and the telescopic pressing part can be rotated directly above the transmission part, reducing the contact between the telescopic pressing part and the trademark or die-cutting during the transmission process. Institutional scratching issues.

In a specific possible embodiment, the telescopic pressing member includes a cylinder and a pressing block, the cylinder is fixedly connected to the turntable, the pressing block is fixedly connected to the telescopic end of the cylinder, and the induction member is opposite to the pressing block.

By adopting the above technical solution, the cylinder drives the pressing block to rise, which can disengage the pressing block from the trademark, and the cylinder drives the pressing block to descend, so that the pressing block can be pressed against the trademark, thereby smoothly positioning the trademark and reducing the shaking of the trademark.

In a specific possible embodiment, the driving member includes a driving motor and a driving gear, the driving motor is fixedly connected to the transmission member, the driving gear is fixedly connected to the motor shaft of the driving motor, and the turntable includes A rotating shaft and a mounting table, the rotating shaft is fixedly connected to the transmission member, the mounting table is rotatably connected to the rotating shaft, the driving gear is meshed with the mounting table, and the cylinder is fixedly connected to the mounting table.

By adopting the above technical solution, the drive motor drives the mounting table to rotate through the driving gear, and the cylinder and the pressing block can rotate synchronously with the mounting table, thereby turning the pressing block directly above the transmission part, reducing the pressure block from scratching the trademark during the transmission process.

In a specific possible embodiment, the transmission member includes a support table, an endless belt, a driving roller, a driving motor and a connecting piece, the support table is fixedly connected to the frame, and the endless belt is sheathed on the support table On the outside, the driving motor is fixedly connected to the support platform, the driving roller is inserted in the endless belt, the driving roller is in contact with the inner peripheral wall of the endless belt, and the motor shaft of the driving roller is the same as that of the driving motor. The shaft is connected, the connecting piece is installed on the outer peripheral wall of the annular belt, and the positioning device is connected with the connecting piece.

By adopting the above technical solution, the driving motor drives the endless belt to move through the driving roller, and the endless belt drives the connecting piece and the positioning device to move, so that the positioning device can move synchronously with the trademark. The support table can form support for the endless belt, so that the endless belt is more stable during the moving process, and the shaking of the positioning device is reduced.

In a specific possible embodiment, the connecting piece includes a connecting platform and a flexible block, and the connecting platform and the flexible block are both fixedly connected on the outer peripheral wall of the endless belt, and the connecting platform is provided on the side wall facing the endless belt. There is a groove, the flexible block is inserted in the groove, the flexible block is fixedly connected with the groove wall, and the positioning device is installed on the connecting platform.

By adopting the above technical solution, when the connecting table moves to the driving roller, the endless belt will bend in an arc shape. At this time, due to the flexibility of the flexible block, it can undergo elastic deformation and form an arc bending. Therefore, the connecting table can pass through the drive smoothly. Roller, so that the positioning device can smoothly complete the cycle, easy to repeat the positioning operation.

In a specific possible embodiment, the sensing element includes an installation box, a sensor, a pole and a self-returning part, the installation box is fixedly connected to the frame, and the sensor and the self-returning part are located in the installation box, The sensor is fixedly connected to the inner wall of the installation box, the installation box is provided with a rod hole, and the abutment rod is penetrated in the rod hole, the abutment rod is arranged between the positioning device and the sensor, and the self-returning One end of the self-returning part is connected with the resisting rod, and the other end of the self-returning part is connected with the inner wall of the installation box.

By adopting the above technical solution, when the positioning device moves, the positioning device contacts the abutment rod and pushes the abutment rod to move towards the sensor. When the abutment rod contacts the sensor, the sensor senses the abutment rod and sends a signal, thereby judging the The moving distance is equal to the length of the die-cutting mechanism completed by the die-cutting mechanism, and then the winding mechanism and the transmission member can be closed, so that the rotation angle of the winding mechanism can be controlled more precisely during the entire winding process. The self-returning part will elastically deform during the movement of the resisting rod. When the positioning device is out of contact with the resisting rod, the self-recovering part can push the resisting rod to automatically move away from the sensor, which is convenient for the next operation.

In a specific possible implementation, the self-returning member includes a return spring and a fixed piece, the fixed piece is fixedly connected to the contact rod, one end of the return spring is fixedly connected to the box wall of the installation box, and the return The other end of the spring is fixedly connected with the fixed piece.

By adopting the above technical solution, the fixed piece moves synchronously with the contact rod, and after the elastic deformation of the return spring, it will push the contact rod to move away from the sensor in the process of returning to the original state, thereby pushing the contact rod back to its original position.

In summary, the present application includes at least one of the following beneficial technical effects:

1. This application sets the transmission part, the positioning device and the sensing part. When the sensing part senses that the moving distance of the positioning device is equal to the length of the die-cutting completed by the die-cutting mechanism, the operation of the unwinding mechanism, the traction mechanism and the winding mechanism will stop synchronously. Rotation can control the rotation angle of the winding mechanism more accurately and reduce the error in the winding process;

2. Through the linkage between the telescopic pressing part, the turntable and the driving part, this application can not only lock a position of the trademark, but also reduce the shaking of the trademark during die-cutting, and reduce the tension between the telescopic pressing part and the trademark during the transmission process. Or the scratching of the die-cutting mechanism;

3. This application can more accurately judge the moving distance of the positioning device through the linkage between the installation box, the sensor, the abutment rod and the self-returning part, and can also push the abutment rod to automatically move away from the sensor, which is convenient for the next time operate.

Description of drawings

Fig. 1 is a structural schematic diagram of a self-adhesive trademark die-cutting machine in an embodiment of the present application.

Fig. 2 is a schematic structural diagram of the steering angle control assembly in the embodiment of the present application.

Fig. 3 is an exploded view of the steering angle control assembly in the embodiment of the present application.

Fig. 4 is an enlarged view at point A in Fig. 3 .

Fig. 5 is a schematic structural diagram of a positioning device in an embodiment of the present application.

Fig. 6 is a cross-sectional view of the sensing element in the embodiment of the present application.

Explanation of reference signs:

1. Rack; 2. Unwinding mechanism; 21. Unwinding shaft; 22. Guide roller; 3. Traction mechanism; 31. First traction mechanism; 32. Pressure regulating roller; 33. Second traction mechanism; 4. Die-cutting Mechanism; 41, die-cutting support; 42, upper template; 43, lower template; 44, stamping head; 5, winding mechanism; 51, installation frame; 52, waste rewinding shaft; Material winding shaft; 55, main material winding motor; 6, transmission part; 61, supporting platform; 62, endless belt; 63, driving roller; 64, driving motor; 65, connecting piece; Groove; 652, flexible block; 7, positioning device; 71, telescopic pressing piece; 711, cylinder; 712, pressing block; 72, turntable; 721, rotating shaft; Motor; 732, driving gear; 8, induction part; 81, installation box; 811, rod hole; 82, sensor;

Detailed ways

The present application will be described in further detail below in conjunction with accompanying drawings 1-6.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation indicated by rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as limiting the invention.

The embodiment of the present application discloses a self-adhesive trademark die-cutting machine.

Referring to Figure 1, the self-adhesive trademark die-cutting machine includes a frame 1, a feeding mechanism 2, a traction mechanism 3, a die-cutting mechanism 4, a winding mechanism 5 and a corner control assembly. The frame 1 is placed on the ground, and the feeding mechanism 2, the traction mechanism 3, the die-cutting mechanism 4, the winding mechanism 5 and the corner control assembly are all arranged on the frame 1, and the corner control assembly is located at one side of the die-cutting mechanism 4.

The trademark raw material roll is placed on the unwinding mechanism 2, the unwinding mechanism 2 transports the trademark to the die-cutting mechanism 4, the die-cutting mechanism 4 die-cuts the trademark, and the traction mechanism 3 pulls the die-cut trademark to move to the winding mechanism 5 At the same time, the angle control mechanism controls the rotation angle of the winding mechanism 5, so that the length of the trademark rolled up by the winding mechanism 5 is the same as the length of the trademark that the die-cutting mechanism 4 finishes die-cutting.

The unwinding mechanism 2 includes an unwinding shaft 21 and several guide rollers 22, and the unwinding shaft 21 is fixed on the left end of the frame 1 by an unwinding reel, and the unwinding shaft 21 is an air expansion shaft in the present embodiment. Several guide rollers 22 are sequentially fixed on the base frame along the length direction of the frame 1 , and the axial direction of the guide rollers 22 is the same as that of the unwinding shaft 21 .

The trademark raw material roll is wound on the unwinding shaft 21, and the trademark raw material is inserted into the die-cutting mechanism 4 after passing around several guide rollers 22 in turn.

Die-cutting mechanism 4 comprises die-cutting support 41, upper formwork 42, lower formwork 43 and stamping head 44, die-cutting support 41 is riveted on the frame 1, guide roller 22 is positioned between die-cutting support 41 and unwinding shaft 21, upper formwork 42 and the lower template 43 are located in the die-cutting bracket 41, the lower template 43 is fixedly connected with the die-cutting bracket 41, the upper template 42 is located directly above the lower template 43, and the stamping head 44 is installed on the die-cutting bracket 41, and the punching head 44 is located on the upper Above the template 42 , the bottom end of the stamping head 44 is riveted with the upper template 42 . A knife template is fixedly connected to the lower surface of the upper template 42 .

The trademark raw material is inserted between the upper template 42 and the lower template 43, and the trademark raw material is spread on the lower template 43. The stamping head 44 pushes the upper template 42 to move downward. When the knife template is pressed on the trademark raw material, the knife template is completed. die-cutting.

Referring to Fig. 1 and Fig. 2, the traction mechanism 3 comprises a first traction mechanism 31, a pressure regulating roller 32 and a second traction mechanism 33, and the first traction mechanism 31, the pressure regulating roller 32 and the second traction mechanism 33 are sequentially installed on the frame 1 Above, the die-cutting bracket 41 is located between the first traction mechanism 31 and the guide roller 22 .

The first traction mechanism 31 pulls the die-cut trademark to move to the pressure regulating roller 32, and the pressure regulating roller 32 adjusts the tension of the die-cut trademark. The second traction mechanism 33 pulls the main material of the die-cut trademark to move. The winding mechanism 5 will After die-cutting, the waste and main materials of the trademark are rewound separately.

The winding mechanism 5 includes a waste material winding mechanism and a main material winding mechanism. The waste rewinding mechanism comprises a mounting frame 51, a waste rewinding shaft 52 and a waste rewinding motor 53, the mounting frame 51 is fixed on the frame 1, the mounting frame 51 is located on the right side of the second traction mechanism 33, and the waste rewinding shaft 52 and the rewinding motor All are arranged on the mounting frame 51, and the winding motor drives the waste material winding shaft 52 to rotate. The main material rewinding mechanism comprises a main material rewinding shaft 54 and a main material rewinding motor 55, the main material rewinding shaft 54 is installed on the frame 1 through a bearing seat, and the main material rewinding motor 55 drives the main material rewinding shaft 54 to rotate, and the waste material is collected The reel 52 is located above the main material take-up reel 54 .

The trademark after die cutting is separated into waste material and main material after passing through the pressure regulating roller 32, the waste material is wound on the waste material rewinding shaft 52, and the main material is wound on the main material rewinding shaft 54 by the traction of the second traction mechanism 33, and the main material is wound up. The winding motor 55 drives the main material winding shaft 54 to rotate, so that the main material can be wound on the main material winding shaft 54 . Simultaneously, the waste material winding motor 53 drives the waste material winding shaft 52 to rotate, and the waste material is wound on the waste material winding shaft 52 .

Referring to FIG. 1 and FIG. 2 , the steering angle control assembly includes a transmission part 6 , a positioning device 7 and a sensing part 8 . Both the transmission part 6 and the induction part 8 are installed on the frame 1 , and both the transmission part 6 and the induction part 8 are located on the same side of the die-cutting support 41 . Positioning device 7 can have three, four or five etc., and the positioning device 7 of present embodiment has three, and three positioning devices 7 are all installed on the transmission part 6, and the length of the endless belt 62 between three positioning devices 7 equal.

First operate a positioning device 7 to lock a certain part of the trademark raw material in the die-cutting mechanism 4. After the die-cutting mechanism 4 completes the die-cutting, the transmission part 6 drives the positioning device 7 to move synchronously with the trademark. When the sensing part 8 senses the positioning device 7 When the moving distance is equal to the length of die-cutting completed by the close mechanism, the inductive part 8 sends a signal, and the winding mechanism 5 and the transmission part 6 stop working, and the winding is completed.

With reference to Fig. 2 and Fig. 3, transmission member 6 comprises support table 61, endless belt 62, driving roller 63, drives rotation motor 64 and connector 65, and support table 61 is welded on the frame 1, and endless belt 62 is endless transmission belt, The annular belt 62 is sheathed on the supporting platform 61 , and the inner wall of the annular belt 62 abuts against the upper surface and the lower surface of the supporting platform 61 . The driving motor 64 is riveted on the supporting platform 61, and one end of the driving roller 63 is coaxially connected on the motor shaft of the driving motor 64, and the other end of the driving roller 63 is inserted in the endless belt 62 and connected to the inner peripheral wall of the endless belt 62. Abut.

Connector 65 is installed on the peripheral wall of annular belt 62, and the quantity of connector 65 is identical with the quantity of positioning device 7, and the length of the annular belt 62 between adjacent two connectors 65 is equal, and on each connector 65 Install a positioning device 7 .

Referring to Fig. 3 and Fig. 4, connector 65 comprises connection platform 651 and flexible piece 652, and connection platform 651 and flexible piece 652 are bonded on the peripheral wall of endless belt 62, and connection platform 651 is provided with on the surface facing endless belt 62. Groove 6511, the length direction of the groove 6511 is the same as the width direction of the endless belt 62, the two ends of the length direction of the groove 6511 run through the side wall of the connecting platform 651, the flexible block 652 is located in the groove 6511, and the flexible block 652 and the concave The groove wall of the groove 6511 is bonded.

Referring to Fig. 4 and Fig. 5, the positioning device 7 includes a telescopic pressing part 71, a turntable 72 and a driving part 73. The turntable 72 includes a rotating shaft 721 and a mounting table 722, the rotating shaft 721 is welded on the connecting table 651, and the rotating shaft 721 is arranged vertically. The mounting table 722 is rotatably connected to the top of the rotating shaft 721 .

The driving member 73 includes a driving motor 731 and a driving gear 732 , the driving motor 731 is riveted on the connecting platform 651 , and the motor shaft of the driving motor 731 is parallel to the axis of the rotating shaft 721 . The driving gear 732 is coaxially connected to the motor shaft of the driving motor 731 , and the driving gear 732 meshes with the surrounding wall of the mounting table 722 .

The telescopic pressing member 71 includes a cylinder 711 and a pressing block 712. The cylinder 711 is fixedly connected to the mounting table 722 along the vertical direction. One end of the pressing block 712 is welded to the top of the cylinder 711. The pressing block 712 is arranged horizontally.

Start the driving motor 731, the driving gear 732 and the mounting table 722 rotate, the cylinder 711 and the pressing block 712 rotate synchronously, when the end of the pressing block 712 away from the cylinder 711 is inserted between the upper template 42 and the lower template 43, the driving motor 731 is turned off, and then The operating cylinder 711 shrinks, and the pressing block 712 moves down and presses the trademark against the lower template 43 .

Referring to FIG. 4 and FIG. 6 , the sensing element 8 includes an installation box 81 , a sensor 82 , a resisting rod 83 and a self-returning element 84 . The installation box 81 is riveted on the frame 1 , and the installation box 81 is located at the right end of the supporting platform 61 . The sensor 82 and the self-returning part 84 are all located in the installation box 81. The sensor 82 is riveted on the inner wall of the installation box 81 right side. Inside the hole 811, the resisting rod 83 is arranged along the horizontal direction. When the pressing block 712 pushes the trademark against the lower template 43 , the left end of the resisting rod 83 is opposite to the pressing block 712 , and the right end of the resisting rod 83 is opposite to the sensor 82 .

The self-returning part 84 includes a return spring 841 and a fixed piece 842. The fixed piece 842 is welded on the rod 83. There can be one, two, three or four return springs 841, and there are four return springs 841 in this embodiment. , four return springs 841 are all welded with the fixed piece 842, and the end of the return spring 841 away from the fixed piece 842 is welded with the right inner box wall of the installation box 81, and the sensor 82 is located between the four return springs 841.

When the pressing block 712 moves synchronously with the trademark, the pressing block 712 moves in a direction close to the contact rod 83. When the pressing block 712 contacts the contact rod 83, the pressing block 712 pushes the contact rod 83 to move in a direction close to the sensor 82. When the rod 83 is in contact with the sensor 82, the moving distance of the pressing block 712 is equal to the length of the die-cutting by the die-cutting mechanism 4. At this time, the sensor 82 sends a signal, the transmission member 6 and the winding mechanism 5 stop working, and the pressing block 712 stops immediately. Move, and the die-cut trademark is finished rolling.

The implementation principle of a self-adhesive trademark die-cutting machine in the embodiment of the present application is: first place the trademark raw material roll on the discharge shaft, then insert the trademark into the die-cutting mechanism 4, and then the trademark passes through the first traction mechanism 31 in turn 1. The pressure regulating roller 32 is separated into waste material and main material, the waste material is wound on the waste material winding shaft 52, and the main material is wound on the main material winding shaft 54 after passing through the second winding mechanism 5.

Start the driving motor 731 , the driving gear 732 drives the mounting table 722 to rotate, and when the pressing block 712 is inserted between the upper template 42 and the lower template 43 , the driving motor 731 is turned off. Then start the driving motor 64, the driving roller 63 drives the endless belt 62 to move, and when the pressing block 712 moves to the left end of the supporting platform 61, the driving motor 64 is closed.

Operate the cylinder 711 to shrink again, and the pressing block 712 moves down and presses the trademark raw material on the lower template 43 tightly. Then the stamping head 44 is operated to drive the upper template 42 to move downward, and the knife template is pressed on the trademark raw material and completes the die-cutting of the trademark raw material.

Then start the main material rewinding motor 55, the waste rewinding motor 53 and the driving motor 64, and the pressing block 712 moves synchronously with the trademark. When the pressing block 712 contacts with the resisting rod 83, it pushes the resisting rod 83 to move, and the spring elastically deforms simultaneously. . When the right end of the rod 83 is in contact with the sensor 82, the sensor 82 sends a signal, and the main material winding motor 55, the waste material winding motor 53 and the driving motor 64 stop rotating at the same time, and the trademark after die cutting is separated into waste material and main material. Rewinding on waste reel 52 and main material reel 54 respectively.

The cylinder 711 is operated again to extend, and the pressing block 712 moves upwards and disengages from the trademark, and the drive motor 731 is started to rotate in reverse, and the pressing block 712 is turned back directly above the endless belt 62. Then operate the adjacent positioning device 7 on the left side to press the trademark tightly, repeat the above-mentioned operations, and then the die-cutting and winding work of the trademark can be completed.

All of the above are preferred embodiments of the application, and are not intended to limit the protection scope of the application. Therefore, all equivalent changes made according to the structure, shape, and principle of the application should be covered by the protection scope of the application. Inside.

Claims (8)

1. A self-adhesive trademark die-cutting machine, comprising frame (1), feeding mechanism (2), traction mechanism (3), die-cutting mechanism (4) and winding mechanism (5), is characterized in that: It also includes a corner control assembly, the discharge mechanism (2), traction mechanism (3), die-cutting mechanism (4) and winding mechanism (5) are all arranged on the frame (1), and the corner control assembly includes Transmission part (6), positioning device (7) and induction part (8), described transmission part (6) and induction part (8) are installed on the frame (1), and described transmission part (6) is positioned at mold On one side of the cutting mechanism (4), several positioning devices (7) are evenly arranged on the transmission part (6) in turn, the induction part (8) is located at one end of the transmission part (6), and the induction part (8 ) is opposite to the positioning device (7). 2. A self-adhesive trademark die-cutting machine according to claim 1, characterized in that: the positioning device (7) includes a telescopic pressing member (71), a turntable (72) and a drive for driving the turntable (72) The rotating driving part (73), the turntable (72) and the driving part (73) are installed on the transmission part (6), the telescopic pressing part (71) is installed on the turntable (72), the The driving part (73) is connected with the turntable (72), and the induction part (8) is opposite to the telescopic pressing part (71). 3. A self-adhesive trademark die-cutting machine according to claim 2, characterized in that: the telescopic pressing member (71) includes a cylinder (711) and a pressing block (712), and the cylinder (711) is fixed Connected to the turntable (72), the pressing block (712) is fixedly connected to the telescopic end of the cylinder (711), and the induction element (8) is opposite to the pressing block (712). 4. A self-adhesive trademark die-cutting machine according to claim 3, characterized in that: the driving member (73) includes a driving motor (731) and a driving gear (732), and the driving motor (731 ) is fixedly connected to the transmission member (6), the drive gear (732) is fixedly connected to the motor shaft of the drive motor (731), and the turntable (72) includes a rotating shaft (721) and a mounting table (722), so The rotating shaft (721) is fixedly connected to the transmission member (6), the installation platform (722) is rotatably connected to the rotation shaft (721), the driving gear (732) is engaged with the installation platform (722), and the cylinder ( 711) is fixedly connected on the mounting table (722). 5. A self-adhesive trademark die-cutting machine according to claim 1, characterized in that: the transmission member (6) includes a support table (61), an endless belt (62), a driving roller (63), a driving The rotary motor (64) and the connector (65), the support platform (61) is fixedly connected on the frame (1), the endless belt (62) is sleeved on the outside of the support platform (61), and the drive rotation The motor (64) is fixedly connected to the supporting platform (61), the driving roller (63) is inserted in the endless belt (62), and the driving roller (63) abuts against the inner peripheral wall of the endless belt (62), The driving roller (63) is coaxially connected with the motor shaft of the driving motor (64), the connecting piece (65) is installed on the peripheral wall of the endless belt (62), and the positioning device (7) and the connecting piece (65) connected. 6. A self-adhesive trademark die-cutting machine according to claim 5, characterized in that: the connecting piece (65) includes a connecting platform (651) and a flexible block (652), and the connecting platform (651) and the flexible block (652) are all fixedly connected on the peripheral wall of the endless belt (62), and the side wall of the connecting platform (651) facing the endless belt (62) is provided with a groove (6511), and the flexible block ( 652) is inserted in the groove (6511), the flexible block (652) is fixedly connected with the groove wall of the groove (6511), and the positioning device (7) is installed on the connecting platform (651). 7. A self-adhesive trademark die-cutting machine according to claim 1, characterized in that: the induction part (8) includes a mounting box (81), a sensor (82), a stop bar (83) and a self-returning part (84), the installation box (81) is fixedly connected on the frame (1), the sensor (82) and the self-returning part (84) are all located in the installation box (81), and the sensor (82) It is fixedly connected on the inner wall of the installation box (81), the installation box (81) is provided with a rod hole (811), the said contact rod (83) is penetrated in the rod hole (811), and the described contact rod ( 83) is located between the positioning device (7) and the sensor (82), and one end of the self-returning part (84) is connected with the push rod (83), and the other end of the self-returning part (84) is connected with the installation box ( 81) the inner wall is connected. 8. A self-adhesive trademark die-cutting machine according to claim 7, characterized in that: the self-returning member (84) includes a return spring (841) and a fixed piece (842), and the fixed piece (842 ) is fixedly connected to the rod (83), one end of the return spring (841) is fixedly connected to the box wall of the installation box (81), and the other end of the return spring (841) is fixedly connected to the fixed piece (842) .

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