Mother roll slitting mechanism of thermo-sensitive paper slitting machine

Abstract

The invention relates to the technical field of thermo-sensitive paper production and processing.The mother roll slitting mechanism of the thermo-sensitive paper slitting machine comprises a slitting machine body, a slitting rack is fixedly installed on one side of the slitting machine body, a support and a base are fixedly installed at the top of the slitting rack, and a pressing roller is rotationally installed at the top of the support; the top of the bracket is provided with a processing assembly for slitting the thermo-sensitive paper; the two side frames are both arranged at the top of the base, and one side of each side frame is provided with an anti-wrinkling structure used for rolling a thermo-sensitive paper mother roll to be flat; the supporting seat is fixedly mounted at the top of the side frame, a supporting rod is fixedly mounted on one side of the top of the supporting seat, and an adjusting rod and a guide rod which are in contact with the supporting rod are arranged on the supporting seat; the two side frames drive the supporting rods and the adjusting rods which are used for fixing the mother rolls to synchronously adjust the distance, the adjusting rods and the supporting rods on the two sides can conduct adaptive limiting on the mother rolls with different widths, and therefore the mother roll slitting device can be suitable for slitting the mother rolls with different widths.

Description

Technical Field

[0001] This invention belongs to the field of thermal paper production and processing technology, and particularly relates to a master roll slitting mechanism for a thermal paper slitting machine. Background Technology

[0002] Thermal paper is a specialized coated paper with thermochromic printing capabilities. Its structure typically consists of a base paper, a thermal coating, and a protective surface layer. The thermal coating is the core functional layer, mainly containing colorless dyes, developers, fillers, and binders. When the thermal paper comes into contact with the high temperature of the thermal printhead, the colorless dyes and developers within the coating react chemically, quickly generating clearly visible patterns or text without relying on consumables such as ink or ribbons. Due to its convenient printing, fast response time, and low operating costs, this type of paper is widely used in various instant printing scenarios such as supermarket receipts, logistics and express delivery slips, and medical test reports.

[0003] The thermal paper slitting machine is a crucial post-processing equipment in the thermal paper production process, primarily used to slit large-format thermal paper master rolls into smaller-width finished rolls to meet market demands. This equipment typically consists of an unwinding unit, a guiding and positioning mechanism, a slitting cutter assembly, a tension control system, and a rewinding unit. During operation, the unwinding unit smoothly transports the thermal paper master roll, which is then precisely positioned by the guiding mechanism. The slitting cutter then performs a fixed-width cut, and the tension system maintains stable paper tension. Finally, the rewinding unit neatly rewinds the finished paper rolls. Its operational accuracy directly affects the dimensional consistency of the finished thermal paper, making it a vital piece of equipment for ensuring large-scale thermal paper production.

[0004] When using a traditional thermal paper slitting machine, the master roll of thermal paper needs to be placed on the slitting machine for cutting. However, traditional thermal paper master roll slitting machines are often limited to thermal paper master rolls of corresponding widths. When cutting thermal paper master rolls of unsuitable widths, there is often a problem of easy deviation during unwinding. Therefore, the application range of traditional master roll slitting machines is relatively small. Summary of the Invention

[0005] This invention provides a master roll slitting mechanism for a thermal paper slitting machine to solve existing problems.

[0006] This invention provides a master roll slitting mechanism for a thermal paper slitting machine, comprising: The slitting machine body has a slitting frame fixedly installed on one side, a bracket and a base fixedly installed on the top of the slitting frame, a pressure roller rotatably installed on the top of the bracket, and a processing component for slitting thermal paper provided on the top of the bracket. Two side frames are provided, both of which are located on top of the base. One side of each side frame is provided with an anti-wrinkle structure for flattening the thermal paper master roll. A support base is fixedly installed on the top of the side frame. A support rod is fixedly installed on one side of the top of the support base. The support base is provided with an adjustment rod and a guide rod that contact the support rod.

[0007] The process involves starting the motor, which drives the screw to rotate. Under the action of the screw thread, the two side frames move synchronously along the adjustment slots. As the side frames move, the rollers roll synchronously along the adjustment slots, and the support plate moves synchronously along the top of the base until the side frames are adjusted to fit the width of the mother roll. Then, the motor is turned off. Next, the operator unscrews the bolts from the limit slots using a wrench. At this point, the operator can adjust the position of the adjusting rod along the support base. As the adjusting rod moves, it drives the adjusting block and guide rod to move synchronously. After adjusting the distance between the adjusting rod and the support rod to the desired position, the operator uses a wrench to screw the adjusting rod into the corresponding limit position. In the groove, the adjusting rod is fixed until the bolt penetrates the limiting groove and the adjusting block. Next, the operator inserts the two sides of the mother roll to be cut between the corresponding support rod and adjusting rod. At this time, the top of the anti-wrinkle roller will continuously contact the bottom of the mother roll. At the same time, the anti-wrinkle roller will drive the follower block to move continuously along the stretching groove. Simultaneously, the tension spring will be stretched as the follower block moves. Then, the operator pulls out one end of the thermal paper on the mother roll and passes it under the pressure roller, and then continues to pass it under the cutter. At this time, the operator turns on the electric cylinder. The output end of the electric cylinder will drive the electric slide rail to move downward, which in turn drives the electric slider and the cutter to move synchronously. As the thermal paper continues to pass through the cutter, the cutter will continuously cut the thermal paper.

[0008] Preferably, the processing component includes: A gantry frame is fixedly installed on top of a support structure. An electric cylinder is fixedly installed on the top of the gantry frame. The output end of the electric cylinder passes through the gantry frame and extends to the bottom of the gantry frame. The output end of the electric cylinder is slidably connected to the gantry frame. An electric slide rail is fixedly installed on the output end of the electric cylinder. An electric slider is slidably installed on the bottom of the electric slide rail. A cutter is fixedly installed on the bottom of the electric slider. With the adjustable cutter, thermal paper of different widths can be cut by adjusting the position of the cutter when needed.

[0009] Preferably, the anti-wrinkle component includes: The side block is fixedly installed on one side of the side frame. A stretching groove is provided on one side of the side block. A follower block is slidably installed in the stretching groove. A tension spring fixed to the stretching groove is fixedly installed on the top of the follower block. An anti-wrinkle roller is rotatably installed on one side of the tension spring. The anti-wrinkle component can ensure that the master roll will not be loose when unwinding, thus avoiding affecting the thermal paper slitting.

[0010] Preferably, the top of the base is provided with an adjustment groove that is adapted to slide with the side frame. A screw is rotatably installed in the adjustment groove, and the screw passes through the side frame and is threadedly connected to the side frame. The adjustment groove can limit the side frame to ensure that the side frame can only move in a straight line when it moves, thus avoiding the problem of misalignment of the side frame when it moves.

[0011] Preferably, a motor is fixedly installed on one side of the base, the output end of the motor passes through the base and is coaxially connected to the screw, and the output end of the motor is rotatably connected to the base; the motor can stably control the rotation of the screw, thereby precisely controlling the distance between the two side frames in the adjustment slot.

[0012] Preferably, a support plate is fixedly installed on one side of the side frame and on top of the base, with the bottom of the support plate fitting against the top of the base; the support plate can support the side frame on top of the base, ensuring that the side frame will not bend or deform due to long-term stress, thereby improving the service life of the side frame.

[0013] Preferably, the top of the support base is provided with a sliding groove, and an adjusting block is slidably installed in the sliding groove. The top of the adjusting block is fixedly connected to the bottom of the adjusting rod, and the guide rod is fixedly connected to the top of the adjusting rod. The guide rod, the adjusting rod, and the adjusting block are integrally formed. By moving the adjusting block in the sliding groove, the adjusting rod and the guide rod can be moved synchronously, thereby adapting and fixing mother rolls and take-up drums of different diameters.

[0014] Preferably, the bottom of the side frame is provided with a bottom groove, and a roller that contacts the adjustment groove is rotatably installed in the bottom groove; by the roller moving in the adjustment groove as the side frame moves, the friction force when the side frame moves can be effectively reduced, ensuring that the side frame can move stably and continuously in the adjustment groove.

[0015] Preferably, a hidden groove communicating with the sliding groove is provided on one side of the support rod, and the hidden groove is adapted to the adjusting rod; through the hidden groove, the adjusting rod can be inserted into the hidden groove to ensure that the adjusting rod and the support rod have a very small gap, thereby improving the stability of the support rod and the adjusting rod when limiting the mother roll.

[0016] Preferably, a plurality of limiting grooves are provided on one side of the support base, and a bolt is threaded into one of the limiting grooves. One end of the bolt passes through the limiting groove and the adjusting block and extends to the outside. When the bolt passes through the limiting groove and the adjusting block on one side, the adjusting block cannot move in the sliding groove, thereby fixing the adjusting rod and the guide rod synchronously, ensuring that there is no problem of movement when the adjusting rod and the support rod support the mother roll. Beneficial effects

[0017] 1. The distance between the two side frames can be adjusted by the rotatable screw inside the base, which in turn drives the support rod and adjusting rod of the fixed mother roll to adjust the distance synchronously. This allows the adjusting rod and support rod on both sides to adapt and limit the mother roll of different widths, thus making it suitable for cutting mother rolls of different widths and having a wide range of applications.

[0018] 2. By moving the adjusting block within the chute, the adjusting rod and guide rod can be moved synchronously, thereby flexibly adjusting the distance between the adjusting rod and the support rod. This allows for the adaptation and fixing of master rolls and take-up drums of different diameters, further expanding the applicability of this device.

[0019] 3. The follower block that can move up and down in the stretching groove can drive the anti-wrinkle roller synchronously. At the same time, when the mother roll is stuck between the two support rods, the anti-wrinkle roller will always continuously press against the bottom of the mother roll, ensuring that the mother roll will not be loose during unwinding and slitting, thereby improving the stability of thermal paper slitting.

[0020] The above description is merely an overview of the technical solutions of the embodiments of the present invention. In order to better understand the technical means of the embodiments of the present invention and to implement them in accordance with the contents of the specification, and to make the above and other objects, features and advantages of the embodiments of the present invention more apparent and understandable, specific embodiments of the present invention are described below. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the following description of the embodiments will be briefly introduced. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is an exploded view of the side frame of the present invention; Figure 3 This is a front view of the present invention; Figure 4 This is a schematic diagram showing the position of the roller in this invention; Figure 5 This is a side view of the side frame of the present invention; Figure 6 This is an exploded view of the anti-wrinkle roller of the present invention. Figure 7 This is an exploded view of the bolts in this invention; Figure 8 This is an exploded view of the adjusting rod of the present invention.

[0023] Explanation of reference numerals in the attached figures: 1. Slitting machine body; 2. Slitting frame; 3. Support; 4. Pressure roller; 5. Gantry frame; 6. Electric cylinder; 7. Electric slide rail; 8. Electric slider; 9. Cutter; 10. Base; 11. Motor; 12. Adjustment groove; 13. Screw; 14. Side frame; 15. Bottom groove; 16. Roller; 17. Support plate; 18. Support seat; 19. Support rod; 20. Slide groove; 21. Limiting groove; 22. Adjusting block; 23. Adjusting rod; 24. Bolt; 25. Side block; 26. Tension groove; 27. Follower block; 28. Tension spring; 29. ​​Anti-wrinkle roller; 30. Hidden groove; 31. Guide rod. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to limit the invention; the terms “comprising” and “having”, and any variations thereof, in the description, claims and drawings of this invention are intended to cover non-exclusive inclusion.

[0026] The term "embodiment" as used herein means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of the invention. The appearance of the phrase "embodiment" in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0027] The directional terms appearing in the following description refer to the directions shown in the figures and are not intended to limit the specific structure of the present invention. For example, in the description of the present invention, terms such as "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the figures. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the present invention.

[0028] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, "connection" or "joining" of a mechanical structure can refer to a physical connection. A physical connection can be a fixed connection, such as a connection secured by fasteners, such as screws, bolts, or other fasteners; a physical connection can also be a detachable connection, such as a snap-fit ​​or interlocking connection; a physical connection can also be an integral connection, such as a connection formed by welding, bonding, or integral molding. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0029] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0030] This invention provides, for example Figure 1 - Figure 8 The master roll slitting mechanism of a thermal paper slitting machine shown includes: The slitting machine body 1 has a slitting frame 2 fixedly installed on one side. The top of the slitting frame 2 is fixedly installed with a bracket 3 and a base 10. The top of the bracket 3 is rotatably installed with a pressure roller 4. The top of the bracket 3 is provided with a processing component for slitting thermal paper. Two side frames 14 are provided on the top of the base 10, and one side of the side frame 14 is provided with an anti-wrinkle structure for flattening the thermal paper master roll. Support base 18 is fixedly installed on the top of side frame 14. Support rod 19 is fixedly installed on one side of the top of support base 18. Adjustment rod 23 and guide rod 31 are provided on support base 18 that are in contact with support rod 19.

[0031] Furthermore, the operator starts the motor 11, which drives the screw 13 to rotate. Under the action of the screw, the two side frames 14 move synchronously along the adjustment groove 12. As the side frames 14 move, the rollers 16 roll synchronously along the adjustment groove 12, and the support plate 17 moves synchronously along the top of the base 10 until the side frames 14 on both sides are adjusted to fit the width of the mother roll. Then the operator turns off the motor 11. Next, the operator unscrews the bolt 24 from the limiting groove 21 with a wrench. At this time, the operator can adjust the position of the adjusting rod 23 along the support base 18. As the adjusting rod 23 moves, it drives the adjusting block 22 and the guide rod 31 to move synchronously. After the operator adjusts the distance between the adjusting rod 23 and the support rod 19 to the required position, the operator uses a wrench to screw the adjusting rod 23 into the desired position. The adjusting rod 23 is fixed in the limiting groove 21 of the corresponding position until the bolt 24 passes through the limiting groove 21 and the adjusting block 22. Then, the operator inserts the two sides of the mother roll to be cut into the corresponding support rod 19 and adjusting rod 23. At this time, the top of the anti-wrinkle roller 29 will continuously contact the bottom of the mother roll. At the same time, the anti-wrinkle roller 29 will drive the follower block 27 to move continuously along the tension groove 26. At the same time, the tension spring 28 will be stretched as the follower block 27 moves. Then, the operator pulls out one end of the thermal paper on the mother roll and passes it under the pressure roller 4, and then continues to pass it under the cutter 9. At this time, the operator turns on the electric cylinder 6. The output end of the electric cylinder 6 will drive the electric slide rail 7 to move downward, and then drive the electric slider 8 and the cutter 9 to move synchronously. As the thermal paper continues to pass through the cutter 9, the cutter 9 will continuously cut the thermal paper.

[0032] The distance between the two side frames 14 can be adjusted by the screw 13 that can rotate inside the base 10. This, in turn, drives the support rod 19 and the adjusting rod 23 that fix the mother roll to adjust the distance synchronously. This allows the adjusting rod 23 and the support rod 19 on both sides to adapt and limit the mother rolls of different widths.

[0033] In this embodiment, the processing components include: Gantry frame 5 is fixedly installed on top of bracket 3. Electric cylinder 6 is fixedly installed on top of gantry frame 5. The output end of electric cylinder 6 passes through gantry frame 5 and extends to the bottom of gantry frame 5. The output end of electric cylinder 6 is slidably connected to gantry frame 5. Electric slide rail 7 is fixedly installed on the output end of electric cylinder 6. Electric slider 8 is slidably installed on the bottom of electric slide rail 7. Cutter 9 is fixedly installed on the bottom of electric slider 8.

[0034] Furthermore, by adjusting the position of the cutter 9, thermal paper of different widths can be cut as needed.

[0035] In this embodiment, the anti-wrinkle component includes: Side block 25 is fixedly installed on one side of side frame 14. A stretching groove 26 is provided on one side of side block 25. A follower block 27 is slidably installed in the stretching groove 26. A tension spring 28 fixed to the stretching groove 26 is fixedly installed on the top of follower block 27. A wrinkle-resistant roller 29 is rotatably installed on one side of tension spring 28.

[0036] Furthermore, the anti-wrinkle component ensures that the master roll will not be loose during unwinding, thus avoiding affecting the slitting of thermal paper.

[0037] In this embodiment, the top of the base 10 is provided with an adjustment groove 12 that is slidably adapted to the side frame 14. A screw 13 is rotatably installed in the adjustment groove 12. The screw 13 passes through the side frame 14 and is threadedly connected to the side frame 14.

[0038] Furthermore, by adjusting the slot 12, the side frame 14 can be limited to ensure that the side frame 14 can only move in a straight line when it moves, thus avoiding the problem of misalignment of the side frame 14 when it moves.

[0039] In this embodiment, a motor 11 is fixedly installed on one side of the base 10. The output end of the motor 11 passes through the base 10 and is coaxially connected to the screw 13. The output end of the motor 11 is rotatably connected to the base 10.

[0040] Furthermore, the motor 11 can stably control the rotation of the screw 13, thereby precisely controlling the distance between the two side frames 14 in the adjustment slot 12.

[0041] In this embodiment, a support plate 17 is fixedly installed on one side of the side frame 14 and on the top of the base 10, and the bottom of the support plate 17 is in contact with the top of the base 10.

[0042] Furthermore, the side frame 14 can be supported on top of the base 10 by the support plate 17, ensuring that the side frame 14 will not bend or deform due to long-term stress, thereby improving the service life of the side frame 14.

[0043] In this embodiment, a groove 20 is provided on the top of the support base 18, and an adjustment block 22 is slidably installed in the groove 20. The top of the adjustment block 22 is fixedly connected to the bottom of the adjustment rod 23, and the guide rod 31 is fixedly connected to the top of the adjustment rod 23. The guide rod 31, the adjustment rod 23 and the adjustment block 22 are integrally formed.

[0044] Furthermore, by moving the adjusting block 22 within the slide groove 20, the adjusting rod 23 and the guide rod 31 can be moved synchronously, thereby adapting and fixing mother rolls of different diameters to the winding drum.

[0045] In this embodiment, a bottom groove 15 is provided at the bottom of the side frame 14, and a roller 16 that contacts the adjustment groove 12 is rotatably installed in the bottom groove 15.

[0046] Furthermore, by having the roller 16 move within the adjustment groove 12 as the side frame 14 moves, the friction of the side frame 14 during movement can be effectively reduced, ensuring that the side frame 14 can move stably and continuously within the adjustment groove 12.

[0047] In this embodiment, a hidden groove 30 communicating with the slide groove 20 is provided on one side of the support rod 19, and the hidden groove 30 is adapted to the adjustment rod 23.

[0048] Furthermore, the adjustment rod 23 can be inserted into the hidden groove 30 through the hidden groove 30, ensuring that the adjustment rod 23 has a very small gap with the support rod 19, thereby improving the stability of the support rod 19 and the adjustment rod 23 when limiting the mother roll.

[0049] In this embodiment, a plurality of limiting grooves 21 are provided on one side of the support base 18. A bolt 24 is threadedly installed in one of the limiting grooves 21. One end of the bolt 24 passes through the limiting groove 21 and the adjusting block 22 and extends to the outside.

[0050] Furthermore, when the limiting groove 21 and the adjusting block 22 pass through one side of the bolt 24, the adjusting block 22 cannot move within the slide groove 20, thereby simultaneously fixing the adjusting rod 23 and the guide rod 31, ensuring that there will be no movement problem when the adjusting rod 23 cooperates with the support rod 19 to support the mother roll.

[0051] Working principle: First, the operator turns on the motor 11. The output end of the motor 11 drives the screw 13 to rotate. Under the action of the thread, the two side frames 14 move synchronously along the adjustment groove 12. When the side frames 14 move, the rollers 16 roll synchronously along the adjustment groove 12. At the same time, the support plate 17 moves synchronously along the top of the base 10 until the side frames 14 on both sides are adjusted to fit the width of the mother roll. Then the motor 11 is turned off. Next, the operator unscrews the bolt 24 from the limiting groove 21 with a wrench. At this time, the operator can adjust the position of the adjusting rod 23 along the support base 18. When the adjusting rod 23 moves, it drives the adjusting block 22 and the guide rod 31 to move synchronously. After the operator adjusts the distance between the adjusting rod 23 and the support rod 19 to the required position, the operator uses a wrench to screw the adjusting rod 23 into the corresponding limiting groove 21 until the bolt 24 penetrates the limiting groove 21 and the adjusting block 22 to fix the adjusting rod 23. Then, the operator inserts the two sides of the mother roll to be cut into the corresponding support rod 19 and adjustment rod 23. At this time, the top of the anti-wrinkle roller 29 will continuously contact the bottom of the mother roll. At the same time, the anti-wrinkle roller 29 will drive the follower block 27 to move continuously along the stretch groove 26. Simultaneously, the tension spring 28 will be stretched as the follower block 27 moves. Then, the operator pulls out one end of the thermal paper on the mother roll and passes it under the pressure roller 4, and then continues to pass it under the cutter 9. At this time, the operator turns on the electric cylinder 6. The output end of the electric cylinder 6 will drive the electric slide rail 7 to move downward, thereby driving the electric slider 8 and the cutter 9 to move synchronously. As the thermal paper continues to pass through the cutter 9, the cutter 9 will continuously cut the thermal paper. When the operator needs to adjust the width of the cut thermal paper, he can control the electric slider 8 to move under the electric slide rail 7, thereby driving the cutter 9 to move synchronously. After the thermal paper on the mother roll is unwound, it can be directly removed from the support seat 18 and replaced with a new mother roll.

[0052] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A master roll slitting mechanism for a thermal paper slitting machine, characterized in that, include: The slitting machine body (1) has a slitting frame (2) fixedly installed on one side. The top of the slitting frame (2) is fixedly installed with a bracket (3) and a base (10). The top of the bracket (3) is rotatably installed with a pressure roller (4). The top of the bracket (3) is provided with a processing component for slitting thermal paper. Two side frames (14) are provided on the top of the base (10), and one side of each side frame (14) is provided with an anti-wrinkle structure for flattening the thermal paper master roll. Support base (18), the support base (18) is fixedly installed on the top of the side frame (14), and a support rod (19) is fixedly installed on one side of the top of the support base (18). The support base (18) is provided with an adjustment rod (23) and a guide rod (31) that are in contact with the support rod (19).

2. The master roll slitting mechanism of a thermal paper slitting machine according to claim 1, characterized in that, The processing components include: A gantry frame (5) is fixedly installed on the top of a bracket (3). An electric cylinder (6) is fixedly installed on the top of the gantry frame (5). The output end of the electric cylinder (6) passes through the gantry frame (5) and extends to the bottom of the gantry frame (5). The output end of the electric cylinder (6) is slidably connected to the gantry frame (5). An electric slide rail (7) is fixedly installed on the output end of the electric cylinder (6). An electric slider (8) is slidably installed on the bottom of the electric slide rail (7). A cutter (9) is fixedly installed on the bottom of the electric slider (8).

3. The master roll slitting mechanism of a thermal paper slitting machine according to claim 1, characterized in that, The anti-wrinkle component includes: Side block (25), the side block (25) is fixedly installed on one side of the side frame (14), a stretching groove (26) is provided on one side of the side block (25), a follower block (27) is slidably installed in the stretching groove (26), a tension spring (28) fixed to the stretching groove (26) is fixedly installed on the top of the follower block (27), and an anti-wrinkle roller (29) is rotatably installed on one side of the tension spring (28).

4. The master roll slitting mechanism of a thermal paper slitting machine according to claim 1, characterized in that, The top of the base (10) is provided with an adjustment groove (12) that is slidably adapted to the side frame (14). A screw (13) is rotatably installed in the adjustment groove (12). The screw (13) passes through the side frame (14) and is threadedly connected to the side frame (14).

5. The master roll slitting mechanism of a thermal paper slitting machine according to claim 4, characterized in that, A motor (11) is fixedly installed on one side of the base (10). The output end of the motor (11) passes through the base (10) and is coaxially connected with the screw (13). The output end of the motor (11) is rotatably connected to the base (10).

6. The master roll slitting mechanism of a thermal paper slitting machine according to claim 5, characterized in that, A support plate (17) is fixedly installed on one side of the side frame (14) and on top of the base (10), with the bottom of the support plate (17) fitting against the top of the base (10).

7. The master roll slitting mechanism of a thermal paper slitting machine according to claim 1, characterized in that, The top of the support base (18) is provided with a sliding groove (20), and an adjustment block (22) is slidably installed in the sliding groove (20). The top of the adjustment block (22) is fixedly connected to the bottom of the adjustment rod (23), and the guide rod (31) is fixedly connected to the top of the adjustment rod (23). The guide rod (31), the adjustment rod (23) and the adjustment block (22) are integrally formed.

8. The master roll slitting mechanism of a thermal paper slitting machine according to claim 6, characterized in that, The bottom of the side frame (14) is provided with a bottom groove (15), and a roller (16) that contacts the adjustment groove (12) is rotatably installed in the bottom groove (15).

9. The master roll slitting mechanism of a thermal paper slitting machine according to claim 7, characterized in that, The support rod (19) has a hidden groove (30) on one side that communicates with the slide groove (20), and the hidden groove (30) is adapted to the adjustment rod (23).

10. The master roll slitting mechanism of a thermal paper slitting machine according to claim 7, characterized in that, The support base (18) has several limiting grooves (21) on one side. A bolt (24) is threaded in one of the limiting grooves (21). One end of the bolt (24) passes through the limiting groove (21) and the adjusting block (22) and extends to the outside.

Images