A laminating machine with automatic cutting function

Abstract

The present invention discloses a laminating machine with automatic cutting, comprising an operating table, wherein a film-laying roller, a material-discharging roller, a material-collecting roller and a rubber roller are arranged in the operating table, and positioning components are arranged on both sides of the film-laying roller and the material-discharging roller. The present invention provides a laminating machine with automatic cutting, wherein the laminating material is placed on the film-laying roller, the material to be laminar is placed on the material-discharging roller, and then the film-laying material and the material to be laminar are passed through the rubber roller, and then connected with the material-collecting roller, and the film-laying roller and the material-discharging roller are driven to rotate and discharge the material by the rotation of the material-collecting roller, and then hot-pressed and synthesized by the rubber roller, and when the material on the film-laying roller or the material-discharging roller finishes rotating, the cutting knife is passively driven to move by the cutting drive component to realize passive cutting of the material, and after the material on the positioning component finishes, the positioning component is reset, and at this time the material-collecting roller continues to rotate, and the material moves toward the cutting knife, thereby reducing the loss of the material.

Description

Technical Field

[0001] The invention relates to the technical field of laminating machines, and in particular to a laminating machine with automatic cutting function. Background Art

[0002] Laminating machine is a special equipment for paper and film. The instant laminating machine includes three parts: gluing, drying and hot pressing. It has a wide range of applications and stable and reliable processing performance. It is a widely used laminating equipment in China. The pre-coating laminating machine has no gluing and drying parts, is small in size, low in cost, and is flexible and convenient to operate. It is not only suitable for laminating large quantities of printed materials, but also for laminating small quantities and scattered printed materials such as automated desktop office systems. It has great development prospects.

[0003] When the laminating machine is in use, the film cloth and the material need to be hot-pressed together. Since the length of the film cloth and the material cannot be consistent, when the film cloth or the material is used up, the other will continue to rotate. Existingly, when the film cloth or the material is used up, the instrument stops actively, and then the laminated material is cut manually or by an instrument. Errors are prone to manual cutting, resulting in uneven cuts and requiring secondary cutting. Instrument cutting requires additional control unit time, increases the coordination between control units, and increases the cost of the laminating machine. Summary of the invention

[0004] The object of the present invention is to provide a laminating machine with automatic cutting function to solve the above-mentioned deficiencies in the prior art.

[0005] In order to achieve the above-mentioned purpose, the present invention provides the following technical solution: comprising an operating table, wherein a film-laying roller shaft, a material-discharging roller shaft, a material-collecting roller shaft and a rubber roller shaft are arranged in the operating table, and positioning components are arranged on both sides of the film-laying roller shaft and the material-discharging roller shaft;

[0006] It also includes a rotating rod fixed on the operating table, a slider is slidably arranged outside the rotating rod, and a cutting knife is rotatably connected to the bottom of the slider;

[0007] It also includes a cutting component. When the film-discharging roller or the material-discharging roller stops rotating without film cloth or material, the cutting component drives the cutting knife to slide on the rotating rod to cut the film cloth or material.

[0008] As a further description of the above technical solution:

[0009] The positioning assembly includes an I-shaped wheel, which is slidably arranged outside the film-releasing roller shaft and the material-releasing roller shaft, and each I-shaped wheel is fixedly connected with a guide block. The film-releasing roller shaft and the material-releasing roller shaft are each provided with a first spiral groove, and each guide block is slidably arranged in each first spiral groove.

[0010] As a further description of the above technical solution:

[0011] The film-discharging roller shaft and the material-discharging roller shaft are both sleeved with two tension springs, and the two ends of the tension springs are respectively connected to the operating table and the work-shaped wheel.

[0012] As a further description of the above technical solution:

[0013] It also includes a driving component for clamping and limiting the slider and driving the cutting component to rotate. The driving component includes a fixed plate fixed on the operating table, a driving rod is slidably arranged inside the fixed plate, a wedge plate is fixedly connected to the end of the driving rod, a return spring is fixedly connected to the outside of the driving rod, and the return spring is fixedly connected to the inner wall of the fixed plate.

[0014] As a further description of the above technical solution:

[0015] A clamping rod is slidably arranged in the sliding block, the top end of the clamping rod is fixedly connected to the limiting frame, and the bottom end of the clamping rod extends into the rotating rod, and a supporting spring is arranged on the outer sleeve of the clamping rod.

[0016] As a further description of the above technical solution:

[0017] It also includes a cutting assembly, which includes a limit block fixed in the slider, a second spiral groove is opened on the outside of the rotating rod, and the limit block is slidably set in the second spiral groove. A guide rod is fixedly connected to the operating table, the slider is slidably set outside the guide rod, and an inner ratchet is arranged on the outer sleeve of the rotating rod.

[0018] As a further description of the above technical solution:

[0019] A pawl is rotatably connected to the rotating rod, the pawl abuts against the inner ratchet, and a torsion spring is fixedly connected to one side of the pawl, the torsion spring is fixedly connected to the rotating rod, a coil spring is disposed on the outer sleeve of the rotating rod, and both ends of the coil spring are fixedly connected to the operating table and the inner ratchet respectively.

[0020] As a further description of the above technical solution:

[0021] The cutting assembly also includes a fixed tube fixed to the operating table, the end of the fixed tube is fixedly connected to a first gear, the inner ratchet is fixedly connected to a second gear that meshes with the first gear, the first gear is fixedly connected to a first ratchet plate, the wedge plate is fixedly connected to a torsion plate, and a second ratchet plate that is adapted to the first ratchet plate is slidably provided on the torsion plate.

[0022] As a further description of the above technical solution:

[0023] It also includes an unlocking component. When the two positioning components move at the same time, the unlocking component is driven to move to push the driving rod to move. When one positioning component is reset, the driving rod is unlocked by the unlocking component. The unlocking component includes a limiting tube rotatably arranged in the two industrial wheels located on the same side. Wedge rods are slidably arranged in the two limiting tubes. The two wedge rods are movably contacted. Abutment springs are arranged in the two limiting tubes. The two ends of the abutment springs are respectively fixedly connected to the limiting tube and the wedge rod.

[0024] As a further description of the above technical solution:

[0025] The third gear is fixedly connected to the outside of the two limit tubes, and the connecting rod is fixedly connected to the outside of the two limit tubes, and the end of the connecting rod is fixedly connected to a rack meshing with the third gear.

[0026] In the above technical solution, the present invention provides a laminating machine with automatic cutting, which has the following beneficial effects:

[0027] The present invention places the coating material on the film placing roller, places the material to be coated on the material discharging roller, then passes the coating material and the material to be coated through the rubber roller shaft, and then connects with the material receiving roller shaft, rotates the material receiving roller shaft, drives the coating roller shaft and the material discharging roller shaft to rotate to discharge the material, and then performs hot pressing synthesis through the rubber roller shaft, when the rotation of the material on the film placing roller shaft or the material discharging roller shaft is finished, the cutting knife is passively driven to move by the cutting drive component to realize passive cutting of the material, and after the material on the positioning component is finished, the positioning component is reset, and at this time the material receiving roller shaft continues to rotate, and the material moves toward the cutting knife, thereby reducing material loss and saving resources.

[0028] It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

[0029] This application document provides an overview of various implementations or examples of the technology described in the present disclosure, and is not a comprehensive disclosure of the entire scope or all features of the disclosed technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0031] Figure 1 A schematic diagram of a three-dimensional structure provided by an embodiment of the present invention;

[0032] Figure 2 The embodiment of the present invention provides Figure 1 An enlarged view of point A is shown;

[0033] Figure 3 The embodiment of the present invention provides Figure 1 An enlarged view of point B is shown;

[0034] Figure 4 A schematic diagram of a three-dimensional structure provided by an embodiment of the present invention;

[0035] Figure 5 A schematic diagram of a partial three-dimensional structure of a positioning assembly provided in an embodiment of the present invention;

[0036] Figure 6 A schematic diagram of a partial cross-sectional structure of a rotating rod, a sliding block and a driving assembly provided in an embodiment of the present invention;

[0037] Figure 7 A schematic diagram of a partial cross-sectional structure of an unlocking assembly provided in an embodiment of the present invention;

[0038] Figure 8 A schematic diagram of the partial structure of a wedge plate, a rotating rod and a cutting assembly provided in an embodiment of the present invention;

[0039] Fig. 9 The embodiment of the present invention provides Figure 8 An enlarged view of point C is shown;

[0040] Fig.10 A schematic diagram of the three-dimensional structure of a fixing plate provided in an embodiment of the present invention.

[0041] Description of reference numerals:

[0042] 1. Operation table; 21. Film-releasing roller shaft; 22. Material-releasing roller shaft; 23. Rubber roller shaft; 24. Material-receiving roller shaft; 31. I-shaped wheel; 32. Guide block; 33. First spiral groove; 34. Tension spring; 4. Rotating rod; 41. Sliding block; 411. Limiting block; 42. Cutting knife; 43. Guide rod; 51. Fixed plate; 52. Driving rod; 53. Reset spring; 54. Wedge plate; 55. Clamping rod; 56. Limiting frame; 57, supporting spring; 61, second spiral groove; 62, inner ratchet; 621, coil spring; 63, pawl; 631, torsion spring; 64, torsion plate; 65, fixing tube; 66, first gear; 67, first ratchet plate; 68, second ratchet plate; 69, second gear; 71, limiting tube; 72, wedge rod; 73, abutting spring; 74, third gear; 75, connecting rod; 76, rack. DETAILED DESCRIPTION

[0043] In order to make the purpose, technical solution and advantages of the embodiments of the present disclosure clearer, the technical solution of the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, not all of the embodiments. Based on the described embodiments of the present disclosure, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present disclosure.

[0044] See also Figure 1-10 The present embodiment provides a laminating machine with automatic cutting, comprising an operating table 1, wherein a film-laying roller shaft 21, a material-discharging roller shaft 22, a material-collecting roller shaft 24 and a rubber roller shaft 23 are arranged in the operating table 1, and positioning components are arranged on both sides of the film-laying roller shaft 21 and the material-discharging roller shaft 22; a rotating rod 4 fixed on the operating table 1, a slider 41 is slidably arranged outside the rotating rod 4, and a cutting knife 42 is rotatably connected to the bottom of the slider 41, and the left and right swing angle of the cutting knife 42 is about 20 degrees, and the length of the cutting knife 42 is lower than the height of the material, when the slider 41 drives the cutting knife 42 to move, when the cutting knife 42 contacts with the material, the cutting knife 42 is rotated by the abutting force, and then cooperates with the tensioning force of the material to cut the material; a cutting component is also included, when the film-laying roller shaft 21 or the material-discharging roller shaft 22 has no film cloth or the material stops rotating, the cutting knife 42 is driven by the cutting component to slide on the rotating rod 4, so as to cut the film cloth or material. The coating material is placed on the film-laying roller 21, the material to be coated is placed on the material discharge roller 22, and then the coating material and the material to be coated are passed through the rubber roller shaft 23, and then connected to the receiving roller shaft 24. The receiving roller shaft 24 rotates to drive the film-laying roller shaft 21 and the material discharge roller shaft 22 to rotate for discharging the material, and then hot pressing is performed through the rubber roller shaft 23. When the rotation of the material on the film-laying roller shaft 21 or the material discharge roller shaft 22 is completed, the cutting knife 42 is passively driven to move by the cutting drive component to realize passive cutting of the material. After the material on the positioning component is completed, the positioning component is reset, and the material collection roller shaft 24 continues to rotate, and the material moves toward the cutting knife 42, thereby reducing material loss and saving resources.

[0045] In an embodiment further provided by the present invention, the positioning assembly includes a type wheel 31, which is slidably arranged outside the film-laying roller shaft 21 and the material-laying roller shaft 22, and each type wheel 31 is fixedly connected with a guide block 32, and a first spiral groove 33 is arranged outside the film-laying roller shaft 21 and the material-laying roller shaft 22, and each guide block 32 is slidably arranged in each first spiral groove 33. When the film-laying roller shaft 21 or the material-laying roller shaft 22 rotates, the first spiral groove 33 rotates synchronously. Since the guide block 32 slides in the first spiral groove 33, the type wheel 31 moves to contact the material on the film-laying roller and the material-laying roller shaft 22, and then rotates with the rotation of the film-laying roller and the material-laying roller shaft 22, thereby realizing automatic positioning and clamping of the material and ensuring the stability of the material during discharge.

[0046] Furthermore, two tension springs 34 are respectively provided on the outside of the film discharge roller 21 and the material discharge roller 22, and the two ends of the tension spring 34 are respectively connected to the operating table 1 and the work wheel 31, one end of the tension spring 34 is fixedly connected to the work wheel 31, and the other end of the tension spring 34 is rotatably connected to the operating table 1 with the central axis of the work wheel 31 as the center. That is, when the work wheel 31 moves and rotates, it will drive the tension spring 34 to stretch and then rotate. Since the tension spring 34 is rotatably connected to the operating table 1, the tension spring 34 remains in a stretched state and will not twist.

[0047] In an embodiment further provided by the present invention, a driving assembly is also included, which is used to clamp and limit the slider 41 and can drive the cutting assembly to rotate. The driving assembly includes a fixed plate 51 fixed on the operating table 1, and a driving rod 52 is slidably arranged inside the fixed plate 51. The end of the driving rod 52 is fixedly connected to a wedge plate 54, and a reset spring 53 is fixedly connected to the outside of the driving rod 52. The reset spring 53 is fixedly connected to the inner wall of the fixed plate 51.

[0048] Furthermore, a clamping rod 55 is slidably disposed in the slider 41 , the top end of the clamping rod 55 is fixedly connected to the limiting frame 56 , and the bottom end of the clamping rod 55 extends into the rotating rod 4 , and a supporting spring 57 is disposed on the outer sleeve of the clamping rod 55 .

[0049] In the embodiment provided by the present invention, a cutting assembly is also included, which includes a limit block 411 fixed in the slider 41, a second spiral groove 61 is opened on the outside of the rotating rod 4, the limit block 411 is slidably set in the second spiral groove 61, a guide rod 43 is fixedly connected to the operating table 1, the slider 41 is slidably set outside the guide rod 43, and an inner ratchet 62 is provided on the outer cover of the rotating rod 4.

[0050] Furthermore, a pawl 63 is rotatably connected to the rotating rod 4, and the pawl 63 and the inner ratchet 62 abut against each other, and a torsion spring 631 is fixedly connected to one side of the pawl 63, and the torsion spring 631 is fixedly connected to the rotating rod 4. A coil spring 621 is provided on the outer sleeve of the rotating rod 4, and the two ends of the coil spring 621 are respectively fixedly connected to the operating table 1 and the inner ratchet 62. One side of the inner ratchet 62 is set to be wedge-shaped, and the other side is set to be plane. When the wedge plate 54 moves toward the inner ratchet 62, the wedge surface rotates and contacts with the pawl 63. At this time, the inner ratchet 62 rotates, the pawl 63 will rotate so that the rotating rod 4 will not rotate, and the coil spring 621 will twist. When the wedge plate 54 stops moving, the inner ratchet 62 is driven to reverse through the coil spring 621. At this time, the pawl 63 abuts against the plane, driving the rotating rod 4 to rotate synchronously.

[0051] Specifically, the cutting assembly also includes a fixed tube 65 fixed to the operating table 1, the end of the fixed tube 65 is fixedly connected to a first gear 66, the inner ratchet 62 is fixedly connected to a second gear 69 that meshes with the first gear 66, the first gear 66 is fixedly connected to a first ratchet plate 67, the wedge plate 54 is fixedly connected to a torsion plate 64, the torsion plate 64 is slidably provided with a second ratchet plate 68 that matches the first ratchet plate 67, a limit spring is provided between the torsion plate 64 and the second ratchet plate 68, and the torsion plate 64 is provided with a limit spring that is provided between the torsion plate 64 and the second ratchet plate 68. When the rotating plate 64 moves toward the limit frame 56, the second ratchet plate 68 is at the end of the torsion plate 64 away from the limit frame 56. When the wedge plate 54 drives the torsion plate 64 to move toward the slider 41, the second ratchet plate 68 is separated from the first ratchet plate 67. When the wedge plate 54 moves toward the inner ratchet wheel 62, the torsion plate 64 drives the second ratchet plate 68 to move, so that the second ratchet plate 68 engages with the first ratchet plate 67. Then the torsion plate 64 continues to move to drive the second ratchet plate 68 to rotate, thereby realizing the rotation of the first ratchet plate 67.

[0052] The solution further provided by the present invention also includes an unlocking component. When the two positioning components move at the same time, the unlocking component is driven to move to push the driving rod 52 to move. When one positioning component is reset, the driving rod 52 is unlocked by the unlocking component. The unlocking component includes a limiting tube 71 rotatably arranged in the two working wheels 31 located on the same side. Wedge rods 72 are slidably arranged in the two limiting tubes 71. The two wedge rods 72 are movably contacted. Abutment springs 73 are arranged in the two limiting tubes 71. The two ends of the abutment springs 73 are respectively fixedly connected to the limiting tubes 71 and the wedge rods 72.

[0053] In the present invention, the third gear 74 is fixedly connected to the outside of the two limiting tubes 71, and the connecting rod 75 is fixedly connected to the outside of the two limiting tubes 71. The end of the connecting rod 75 is fixedly connected to a rack 76 that meshes with the third gear 74. The rack 76 connected to the top meshes with the gear at the bottom, and the rack 76 connected to the bottom meshes with the gear at the top (such as Figure 7As shown in the figure, when one wedge rod 72 moves, it drives the rack 76 to move, causing the gear on the other limiting tube 71 to rotate, so that the limiting tube 71 drives the wedge rod 72 to rotate, and the wedge surface of the wedge rod 72 is rotated to contact the drive rod 52. The drive rod 52 moves, pushing the wedge rod 72 to move into the limiting tube 71, thereby unlocking the drive rod 52.

[0054] When in use, a control panel is provided on the operating table 1 for controlling the operation and shutdown of the laminating machine, and then the laminating material is placed on the film-laying roller shaft 21, and the material to be laminar is placed on the material-discharging roller shaft 22, and then the laminating material and the material to be laminar pass through the rubber roller shaft 23, and then connected to the material-collecting roller shaft 24, and the material-collecting roller shaft 24 is driven to rotate by a motor (not shown in the figure), which drives the film-laying roller shaft 21 and the material-discharging roller shaft 22 to rotate to discharge the material, and then the rubber roller shaft 23 is used for hot pressing synthesis;

[0055] When the film-discharging roller shaft 21 and the material-discharging roller shaft 22 rotate, the first spiral groove 33 rotates, so that the guide block 32 drives the profile wheel 31 to rotate and move until the profile wheels 31 on both sides abut against the material and rotate synchronously with the material;

[0056] When the work wheel 31 moves, the limiting tube 71 is driven to move, thereby driving the two wedge rods 72 to move synchronously, thereby pushing the driving rod 52 to move, so that the wedge plate 54 moves synchronously. When the wedge plate 54 moves into the limiting frame 56, the limiting block 411 is pushed downward, so that the clamping rod 55 moves into the rotating rod 4, and the cutting knife 42 is limited.

[0057] When the material on the film-discharging roller 21 or the material-discharging roller 22 is used up, the roller stops rotating, and the type wheel 31 is reset by the tension of the tension spring 34. During the reset process of the type wheel 31, the material-collecting roller 24 continues to rotate, driving the material to continue to move, so that the material moves to the cutting knife 42, and then the rotation of the material-collecting roller 24 stops;

[0058] When the I-shaped wheel 31 moves, it drives the limiting tube 71 and the wedge rod 72 to move, so that the rack 76 moves synchronously, so that the gear on the I-shaped wheel 31 that does not move rotates, and drives the wedge rod 72 to rotate, so that the reset spring 53 pushes the driving rod 52 to move toward the inner ratchet 62, so that the twisting wheel drives the second ratchet plate 68 to move, and when the second ratchet plate 68 is engaged with the first ratchet plate 67, the first ratchet plate 67 is driven to rotate, thereby driving the first gear 66 to rotate, so that the second gear 69 rotates, so that the inner ratchet 62 rotates outside the rotating rod 4, so that the coil spring 621 is twisted;

[0059] When the wedge plate 54 moves out of the limit block 411 and stops moving, the limit frame 56 is driven to move upward by the support spring 57, so that the clamping rod 55 moves out of the rotating rod 4 and stops locking the rotating rod 4. Then, the second gear 69 is driven to reverse by the coil spring 621, so that the inner ratchet 62 drives the rotating rod 4 to rotate, so that the limit block 411 slides in the second spiral groove 61, thereby driving the cutting knife 42 to move, and realizing automatic cutting of the material.

[0060] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A laminating machine with automatic cutting, comprising an operating table (1), characterized in that: The operating table (1) is provided with a film-laying roller shaft (21), a material-discharging roller shaft (22), a material-collecting roller shaft (24) and a rubber roller shaft (23), and positioning components are provided on both sides of the film-laying roller shaft (21) and the material-discharging roller shaft (22); It also comprises a rotating rod (4) fixed on the operating table (1), a sliding block (41) is slidably arranged outside the rotating rod (4), and a cutting knife (42) is rotatably connected to the bottom of the sliding block (41); It also includes a cutting assembly, which drives a cutting knife (42) to slide on a rotating rod (4) to cut the film cloth or material when the film-discharging roller (21) or the material-discharging roller (22) stops rotating without the film cloth or material, and the cutting assembly is used to drive the cutting knife (42) to slide on the rotating rod (4); The positioning assembly comprises a type wheel (31), the type wheel (31) is slidably arranged outside the film-laying roller shaft (21) and the material-laying roller shaft (22), and each type wheel (31) is fixedly connected with a guide block (32), the film-laying roller shaft (21) and the material-laying roller shaft (22) are each provided with a first spiral groove (33), and each guide block (32) is slidably arranged in each first spiral groove (33); The film-discharging roller shaft (21) and the material-discharging roller shaft (22) are both sleeved with two tension springs (34), and the two ends of the tension springs (34) are respectively connected to the operating table (1) and the work wheel (31).

2. A laminating machine with automatic cutting according to claim 1, characterized in that: The machine also comprises a driving assembly for clamping and limiting the slider (41) and driving the cutting assembly to rotate, the driving assembly comprising a fixed plate (51) fixed on the operating table (1), a driving rod (52) being slidably arranged inside the fixed plate (51), a wedge plate (54) being fixedly connected to the end of the driving rod (52), a return spring (53) being fixedly connected to the outside of the driving rod (52), and the return spring (53) being fixedly connected to the inner wall of the fixed plate (51).

3. The laminating machine with automatic cutting function according to claim 2, characterized in that: A clamping rod (55) is slidably disposed in the slider (41), the top end of the clamping rod (55) is fixedly connected to a limit frame (56), and the bottom end of the clamping rod (55) extends into the rotating rod (4), and a supporting spring (57) is disposed on the outer sleeve of the clamping rod (55).

4. The laminating machine with automatic cutting function according to claim 2, characterized in that: The machine also comprises a cutting assembly, the cutting assembly comprising a limit block (411) fixed inside the slider (41), a second spiral groove (61) is provided outside the rotating rod (4), the limit block (411) is slidably arranged inside the second spiral groove (61), a guide rod (43) is fixedly connected to the operating table (1), the slider (41) is slidably arranged outside the guide rod (43), and an inner ratchet (62) is provided outside the rotating rod (4).

5. The laminating machine with automatic cutting function according to claim 4, characterized in that: A ratchet (63) is rotatably connected to the rotating rod (4), the ratchet (63) and the inner ratchet (62) abut against each other, and a torsion spring (631) is fixedly connected to one side of the ratchet (63), the torsion spring (631) is fixedly connected to the rotating rod (4), and a coil spring (621) is disposed on the outer sleeve of the rotating rod (4), and two ends of the coil spring (621) are respectively fixedly connected to the operating table (1) and the inner ratchet (62).

6. The laminating machine with automatic cutting function according to claim 4, characterized in that: The cutting assembly further comprises a fixed tube (65) fixed to the operating table (1); the end of the fixed tube (65) is fixedly connected to a first gear (66); the inner ratchet (62) is externally fixedly connected to a second gear (69) meshing with the first gear (66); the first gear (66) is fixedly connected to a first ratchet plate (67); the wedge plate (54) is fixedly connected to a torsion plate (64); and the torsion plate (64) is slidably provided with a second ratchet plate (68) adapted to the first ratchet plate (67).

7. The laminating machine with automatic cutting function according to claim 1, characterized in that: The invention also comprises an unlocking component. When the two positioning components move at the same time, the unlocking component is driven to move so as to push the driving rod (52) to move. When one positioning component is reset, the driving rod (52) is unlocked by the unlocking component. The unlocking component comprises a limiting tube (71) rotatably arranged in the two working wheels (31) located on the same side. Wedge rods (72) are slidably arranged in the two limiting tubes (71). The two wedge rods (72) are movably contacted. Abutment springs (73) are arranged in the two limiting tubes (71). The two ends of the abutment springs (73) are respectively fixedly connected to the limiting tube (71) and the wedge rods (72).

8. The laminating machine with automatic cutting function according to claim 7, characterized in that: The two limiting tubes (71) are both fixedly connected to the outside with a third gear (74), and the two limiting tubes (71) are both fixedly connected to the outside with a connecting rod (75), and the end of the connecting rod (75) is fixedly connected to a rack (76) meshing with the third gear (74).

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