A die-cutting mechanism for processing PET coated paper bags with hot stamping.

Abstract

This utility model discloses a die-cutting mechanism for processing PET coated foil hot stamping document bags, including a base plate with four sets of support legs at the bottom end. A lower die base is provided on the upper side of the base plate, and an upper die base is provided on the upper side of the lower die base. Mounting seats are provided at the outer ends of both the lower and upper die bases. A hydraulic cylinder is provided at the top of the upper mounting seat. Two sets of adjusting devices are provided at the top of the base plate, and the two sets of adjusting devices are respectively connected to the lower mounting seat and the hydraulic cylinder. One set of adjusting devices includes an adjusting plate mounted on the top of the hydraulic cylinder. A motor is provided at the end of one set of rotating rollers. Four sets of clamping frames are provided on the upper side of the base plate, and electric push rods are provided at the top of each of the four sets of clamping frames. The output ends of the four sets of electric push rods pass through clamping plates in each of the four sets of clamping frames. Sliding rods are provided at the outer ends of each of the four sets of clamping frames, facilitating the loading of large sheet materials, saving labor, and improving work efficiency.

Description

Technical Field

[0001] This utility model relates to the field of PET matte film hot stamping document bag processing technology, and more specifically, it relates to a die-cutting mechanism for processing PET matte film hot stamping document bags. Background Technology

[0002] PET laminated foil stamped document bags are high-quality office supplies typically used to store and protect important documents. Die-cutting is one of the key steps in manufacturing PET laminated foil stamped document bags, primarily used to precisely cut the material to form the desired shape and size. The die-cutting mechanism (or die-cutting machine) uses steel die plates or other types of molds to cut, creasing, and process the material.

[0003] When using a die-cutting mechanism for PET laminated and hot-stamped document bags, the operator manually places the PET laminated and hot-stamped material (usually a large sheet of printed, laminated, and hot-stamped material) into the designated position on the worktable (lower die base) of the die-cutting machine. Then, the hydraulic cylinder drives the upper die (die-cutting block) to move downwards and close with the lower die (worktable), thereby die-cutting the large sheet. However, manually placing the large sheet is labor-intensive, and multiple die-cuts are usually required on a single sheet (such as multiple document bags). After one position is die-cut, the sheet must be manually moved and re-aligned and clamped before the next position can be die-cut. Manual operation is prone to positioning errors, affecting die-cutting accuracy, and the operation is highly repetitive and labor-intensive. Utility Model Content

[0004] (a) Technical problems to be solved To address the problems existing in the prior art, this utility model provides a die-cutting mechanism for processing PET coated foil hot stamping document bags, thereby solving the technical problem mentioned in the background art of manually placing large sheet materials, which consumes a lot of labor.

[0005] (II) Technical Solution To achieve the above objectives, this utility model provides the following technical solution: A die-cutting mechanism for processing PET coated foil hot stamping document bags includes a base plate with four sets of support legs at the bottom end. A lower die base is provided on the upper side of the base plate, and an upper die base is provided on the upper side of the lower die base. Mounting seats are provided at the outer ends of both the lower and upper die bases. A hydraulic cylinder is provided at the top of the upper mounting seat. Two sets of adjusting devices are provided at the top of the base plate, each set connected to the lower mounting seat and the hydraulic cylinder respectively. One set of adjusting devices includes an adjusting plate mounted on the top of the hydraulic cylinder. A conveyor belt is provided on the left side of the base plate, containing two sets of rotating rollers. Vertical plates are provided at both ends of each set of rotating rollers. A motor is provided at the end of one set of rotating rollers. Four clamping frames are provided on the upper side of the base plate, each set of clamping frames having an electric push rod at its top. The output ends of the four sets of electric push rods pass through clamping plates in each of the four sets of clamping frames. Sliding rods are provided at the outer ends of each of the four sets of clamping frames.

[0006] The present invention is further configured such that a U-shaped frame is provided at the top of the adjusting plate, the adjusting plate is slidably connected to the U-shaped frame, two sets of cylinders are provided at the front end of the U-shaped frame, the output ends of the two sets of cylinders pass through the U-shaped frame and are connected to the front end of the adjusting plate, a driving block is provided at the top of the U-shaped frame, four sets of columns are provided at the top of the bottom plate, and a top plate is provided at the top of the four sets of columns. A movable groove is provided on the top plate, and the U-shaped frame slides in the movable groove. A movable groove is also provided on the bottom plate. The U-shaped frame in the lower adjusting device slides in the movable groove of the bottom plate. By opening the four sets of cylinders, the four sets of cylinders drive the two sets of adjusting plates to slide on the two sets of U-shaped frames, thereby adjusting the position of the upper and lower mold seats and the upper mold seat of the two sets of mounting seats, which facilitates the adjustment of the longitudinal position of the lower mold seat and the upper mold seat, thereby positioning the next die-cutting position of the large plate material.

[0007] The present invention is further configured such that two sets of first fixing plates are provided at the top of the top plate, and screws are rotatably provided on the two sets of first fixing plates. A threaded hole is provided in the middle of the driving block, and the threaded hole is threadedly connected to the screw. A second motor is provided at the outer end of one set of first fixing plates. The output end of the second motor passes through the first fixing plate and is connected to the screw. By turning on the two sets of second motors, the two sets of second motors drive the two sets of screws to rotate. The two sets of screws are threadedly connected to the two sets of driving blocks. The two sets of driving blocks drive the lower die base and the upper die base to adjust the horizontal position through the two sets of U-shaped frames. This facilitates the adjustment of the horizontal position of the lower die base and the upper die base, so that the large plate material can be die-cut multiple times by changing the position of the lower die base and the upper die base.

[0008] This utility model is further configured such that each of the four sets of sliding rods is provided with a support plate, the four sets of sliding rods are slidably connected to the four sets of support plates, the top of each of the four sets of support plates is provided with a threaded hole, the threaded hole is provided with a first bolt, the bottom of each of the four sets of support plates is provided with an adjusting block, the outer end of each of the four sets of support legs is provided with a second fixing plate, a horizontal plate is provided between the two sets of second fixing plates on the front side and between the two sets of second fixing plates on the rear side, the left and right parts of the two sets of horizontal plates are provided with a long groove, the four sets of adjusting blocks slide in the four sets of long grooves respectively, the outer end of each of the four sets of long grooves is provided with a long strip groove, the outer end of each of the four sets of adjusting blocks is provided with a second bolt, the second bolt slides in the four sets of long strip grooves, according to To adjust the length of the large sheet material, the spacing between the two sets of clamping frames on the left and right sides is adjusted by loosening the four sets of second bolts. This allows the four sets of adjusting blocks to slide within the long grooves of the two sets of horizontal plates, thus adjusting the spacing between the two sets of clamping frames on the left and right sides. Then, by rotating the four sets of second bolts, they are tightened against the two sets of horizontal plates. The spacing between the two sets of clamping frames on the front and rear sides is adjusted according to the width of the large sheet material. This is achieved by loosening the four sets of first bolts, allowing the four sets of sliding rods to slide within the four sets of support plates. After adjusting the spacing between the two sets of clamping frames on the front and rear sides, the four sets of first bolts are rotated, connecting them to the four sets of support plates. These first bolts then tighten and fix the four sets of sliding rods, facilitating the clamping and fixing of large sheets of different sizes.

[0009] This utility model is further configured such that both the lower mold base and the upper mold base are provided with bases, and positioning plates are provided at the left and right ends of both sets of bases. Each set of mounting seats has a slot at its inner end, and a positioning groove is provided at the left and right ends of both sets of slots. Each set of positioning grooves has an operating groove at its outer end, and two sets of mounting rods are slidably arranged within each of the four sets of operating grooves. The eight sets of mounting rods slide with the two sets of mounting seats respectively, and each set of mounting rods is fitted with a spring. Each pair of corresponding mounting rods... Each end is equipped with a locking block, and the four sets of locking blocks respectively engage with the four sets of positioning plates. Each pair of mounting rods has a handle at its outer end. When the lower mold base and upper mold base need to be replaced, the four sets of handles are pulled, which in turn drive the eight sets of mounting rods to slide. The eight sets of mounting rods then drive the four sets of locking blocks to slide into the four sets of operating slots, separating the four sets of locking blocks from the four sets of positioning plates. After that, the two sets of bases and the four sets of positioning plates on the lower mold base and upper mold base can be removed from the two sets of mounting seats, making it easy to replace the lower mold base and upper mold base.

[0010] The present invention is further configured such that four sets of third fixing plates are symmetrically arranged at the bottom end of the base plate and the top end of the top plate, and a guide rod is arranged between every two sets of symmetrical third fixing plates. Sliding holes are provided at the front and rear of the two sets of driving blocks. The two sets of driving blocks are slidably connected to the four sets of guide rods respectively. When the two sets of driving blocks move, the two sets of driving blocks slide on the four sets of guide rods, which can ensure the stability of the guide rods.

[0011] The present invention is further configured such that the surface of each set of the card blocks is set as an inclined surface, which facilitates the sliding of the four sets of positioning plates through the inclined surfaces of the four sets of card blocks into the four sets of positioning slots of the two sets of mounting seats, thereby improving its convenience.

[0012] Beneficial effects Compared with the prior art, this utility model provides a die-cutting mechanism for processing PET coated paper bags with hot stamping, which has the following advantages: 1. Both the lower and upper mold bases are equipped with mounting seats at their outer ends. A hydraulic cylinder is installed at the top of the upper mounting seat. A conveyor belt is installed on the left side of the base plate. Two sets of rotating rollers are installed inside the conveyor belt. A motor is installed at the end of one set of rotating rollers. Electric push rods are installed at the top of the four sets of clamping frames. The output ends of the four sets of electric push rods pass through the four sets of clamping frames and are equipped with clamping plates. The conveyor belt corresponds to the previous processing step of the large plate material. When the motor is turned on, the motor drives the set of rotating rollers to rotate, and the rotating rollers drive the conveyor belt to convey the material. After the large plate material has been processed in the previous processing step, it is conveyed to the four sets of clamping frames by the conveyor belt. Then, the four sets of electric push rods are turned on, and the four sets of electric push rods drive the four sets of clamping plates to move downward to clamp and fix the large plate material. After that, the hydraulic cylinder is turned on, and the hydraulic cylinder drives the upper mounting seat to move downward. The upper mold base and the lower mold base then close to die-cut the large plate material, which facilitates the loading of the large plate material, saves labor, and improves work efficiency.

[0013] 2. The adjusting plate is slidably connected to the U-shaped frame. The output ends of the two sets of cylinders pass through the U-shaped frame and are connected to the front end of the adjusting plate. By opening the four sets of cylinders, the four sets of cylinders drive the two sets of adjusting plates to slide on the two sets of U-shaped frames, thereby adjusting the position of the upper and lower mold seats and the upper mold seat of the two sets of mounting seats. This facilitates the adjustment of the longitudinal position of the lower mold seat and the upper mold seat, thereby positioning the next die-cutting position of the large plate material.

[0014] 3. Two sets of screws are rotatably mounted on the first fixed plates. The threaded holes are threadedly connected to the screws. The output end of the second motor passes through the first fixed plate and is connected to the screws. By turning on the two sets of second motors, the two sets of second motors drive the two sets of screws to rotate. The two sets of screws are threadedly connected to the two sets of driving blocks. The two sets of driving blocks drive the lower die base and the upper die base to adjust their horizontal positions through the two sets of U-shaped frames. This facilitates the adjustment of the horizontal positions of the lower die base and the upper die base, thereby allowing for multiple die-cuttings of the large sheet material by changing the positions of the lower die base and the upper die base. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of a die-cutting mechanism for processing PET coated and hot-stamped document bags according to this utility model. Figure 1 ; Figure 2 This is a schematic diagram of the overall structure of a die-cutting mechanism for processing PET coated and hot-stamped document bags according to this utility model. Figure 2 ; Figure 3 This is a schematic diagram of the connection structure between the sliding rod, the support plate, and the first bolt in this utility model; Figure 4 This is a schematic diagram of the connection structure between the lower mold base, the base, and the mounting base in this utility model; Figure 5 This is a schematic diagram of the connection structure between the mounting rod, spring, and locking block in this utility model.

[0016] In the diagram: 1. Base plate; 2. Support leg; 3. Lower mold base; 4. Upper mold base; 5. Mounting base; 6. Hydraulic cylinder; 7. Adjusting plate; 8. Conveyor belt; 9. Rotary roller; 10. Vertical plate; 11. Motor 1; 12. Clamping frame; 13. Electric push rod; 14. Clamping plate; 15. Slide rod; 16. U-shaped frame; 17. Cylinder; 18. Drive block; 19. Column; 20. Top plate; 21. First fixing plate; 22. Screw; 23. Motor 2; 24. Support plate; 25. First bolt; 26. Adjusting block; 27. Second fixing plate; 28. Horizontal plate; 29. ​​Second bolt; 30. Positioning plate; 31. Mounting rod; 32. Spring; 33. Clamping block; 34. Handle; 35. Base; 36. Third fixing plate; 37. Guide rod. Detailed Implementation It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0017] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0018] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0019] Please see Figure 1-5 A die-cutting mechanism for processing PET coated foil hot stamping document bags includes a base plate 1, four sets of support legs 2 at the bottom end of the base plate 1, a lower die base 3 on the upper side of the base plate 1, an upper die base 4 on the upper side of the lower die base 3, mounting seats 5 at the outer ends of both the lower die base 3 and the upper die base 4, a hydraulic cylinder 6 at the top of the upper mounting seat 5, and two sets of adjusting devices at the top of the base plate 1. The two sets of adjusting devices are respectively connected to the lower mounting seat 5 and the hydraulic cylinder 6. One set of adjusting devices includes an adjusting plate 7. An adjusting plate 7 is installed at the top of the hydraulic cylinder 6. A conveyor belt 8 is provided on the left side of the base plate 1. Two sets of rotating rollers 9 are provided inside the conveyor belt 8. Vertical plates 10 are provided at both ends of the two sets of rotating rollers 9. A motor 11 is provided at the end of one set of rotating rollers 9. Four sets of clamping frames 12 are provided on the upper side of the base plate 1. Electric push rods 13 are provided at the top of the four sets of clamping frames 12. The output ends of the four sets of electric push rods 13 pass through the four sets of clamping frames 12 and are provided with clamping plates 14. Slide rods 15 are provided at the outer ends of the four sets of clamping frames 12. In this embodiment, the conveyor belt 8 corresponds to the previous processing step of the large plate material. When the motor 11 is turned on, it drives a set of rotating rollers 9 to rotate, which in turn drives the conveyor belt 8 to transport the large plate material. After the large plate material has been processed in the previous processing step, it is transported to the four sets of clamping frames 12 via the conveyor belt 8. Then, the four sets of electric push rods 13 are turned on, which drive the four sets of clamping plates 14 to move downward to clamp and fix the large plate material. After that, the hydraulic cylinder 6 is turned on, which drives the upper mounting seat 5 to move downward. The upper mold seat 4 and the lower mold seat 3 then close to perform die cutting on the large plate material, which facilitates the loading of the large plate material, saves labor, and improves work efficiency.

[0020] Please see Figure 1 and Figure 2As one embodiment of the adjusting plate 7, the adjusting plate 7 in this utility model is provided with a U-shaped frame 16 at its top. The adjusting plate 7 and the U-shaped frame 16 are slidably connected. Two sets of cylinders 17 are provided at the front end of the U-shaped frame 16. The output ends of the two sets of cylinders 17 pass through the U-shaped frame 16 and are connected to the front end of the adjusting plate 7. A driving block 18 is provided at the top of the U-shaped frame 16. Four sets of columns 19 are provided at the top of the base plate 1. A top plate 20 is provided at the top of the four sets of columns 19. A movable groove is provided on the top plate 20. The frame 16 slides in the movable groove, and the base plate 1 is also connected to the movable groove. The U-shaped frame 16 in the lower adjustment device slides in the movable groove of the base plate 1. The top of the top plate 20 is provided with two sets of first fixing plates 21, and screws 22 are rotatably provided on the two sets of first fixing plates 21. The middle of the driving block 18 is connected to a threaded hole, and the threaded hole is threadedly connected to the screws 22. A second motor 23 is provided at the outer end of one set of first fixing plates 21, and the output end of the second motor 23 passes through the first fixing plate 21 and is connected to the screws 22. Specifically, by opening four sets of cylinders 17, the four sets of cylinders 17 drive two sets of adjusting plates 7 to slide on two sets of U-shaped frames 16, thereby adjusting the positions of the upper and lower mold bases 3 and the upper mold base 4 of the two sets of mounting seats 5, which facilitates the adjustment of the longitudinal position of the lower mold base 3 and the upper mold base 4, thus positioning the next die-cutting position of the large sheet material. By opening two sets of motors 23, the two sets of motors 23 drive two sets of screws 22 to rotate, and the two sets of screws 22 are threadedly connected to two sets of driving blocks 18. The two sets of driving blocks 18 drive the lower mold base 3 and the upper mold base 4 to adjust their horizontal position through the two sets of U-shaped frames 16, which facilitates the adjustment of the lateral position of the lower mold base 3 and the upper mold base 4. Thus, by changing the position of the lower mold base 3 and the upper mold base 4, the large sheet material can be die-cut multiple times.

[0021] Please see Figures 1-3 As one embodiment of the sliding rod 15, in this utility model, each of the four sets of sliding rods 15 is provided with a support plate 24. The four sets of sliding rods 15 are slidably connected to the four sets of support plates 24. The top of each of the four sets of support plates 24 is provided with a threaded hole. The threaded holes are each provided with a first bolt 25. The bottom of each of the four sets of support plates 24 is provided with an adjusting block 26. The outer ends of each of the four sets of support legs 2 are provided with a second fixing plate 27. A horizontal plate 28 is provided between the two sets of second fixing plates 27 on the front side and between the two sets of second fixing plates 27 on the rear side. The left and right parts of the two sets of horizontal plates 28 are provided with a long groove. The four sets of adjusting blocks 26 slide in the four sets of long grooves respectively. The outer ends of each of the four sets of long grooves are provided with a long strip groove. The outer ends of each of the four sets of adjusting blocks 26 are each provided with a second bolt 29. The four sets of second bolts 29 slide in the four sets of long strip grooves. Specifically, the spacing between the two sets of clamping frames 12 on the left and the two sets of clamping frames 12 on the right is adjusted according to the length of the large sheet material. This is achieved by loosening the four sets of second bolts 29, which cause the four sets of adjusting blocks 26 to slide within the long grooves of the two sets of horizontal plates 28, thus adjusting the spacing between the two sets of clamping frames 12 on the left and the two sets of clamping frames 12 on the right. Then, by rotating the four sets of second bolts 29, they are tightened against the two sets of horizontal plates 28. The spacing is then adjusted according to the width of the large sheet material. The distance between the two sets of clamping frames 12 on the front side and the two sets of clamping frames 12 on the rear side is adjusted by loosening the four sets of first bolts 25, which allows the four sets of sliding rods 15 to slide within the four sets of support plates 24. After the distance between the two sets of clamping frames 12 on the front side and the two sets of clamping frames 12 on the rear side is adjusted, the four sets of first bolts 25 are rotated, and the four sets of first bolts 25 are threadedly connected to the four sets of support plates 24. The four sets of first bolts 25 then tighten and fix the four sets of sliding rods 15, which is convenient for clamping and fixing large plates of different sizes.

[0022] Please refer to Figures 4-5 As a further embodiment of the lower mold base 3 and the upper mold base 4: both the lower mold base 3 and the upper mold base 4 are provided with a base 35, and both the left and right ends of the two sets of bases 35 are provided with positioning plates 30. Both sets of mounting seats 5 are provided with slots at their inner ends, and both the left and right ends of the two sets of slots are connected to a positioning groove. The outer ends of the four sets of positioning grooves are provided with operating grooves. Both sets of operating grooves are slidably provided with two sets of mounting rods 31. The eight sets of mounting rods 31 slide with the two sets of mounting seats 5 respectively. Each set of mounting rods 31 is fitted with a spring 32. The inner ends of every two sets of corresponding mounting rods 31 are provided with a locking block 33. The four sets of locking blocks 33 respectively lock the four sets of positioning plates 30. Each pair of corresponding mounting rods 31 is provided with a handle 34 at their outer ends. Specifically, when it is necessary to replace the lower mold base 3 and the upper mold base 4, by pulling the four sets of handles 34, the four sets of handles 34 will drive the eight sets of mounting rods 31 to slide, and the eight sets of mounting rods 31 will drive the four sets of locking blocks 33 to slide into the four sets of operating slots. The four sets of locking blocks 33 will then separate from the four sets of positioning plates 30. After that, the two sets of bases 35 and the four sets of positioning plates 30 on the lower mold base 3 and the upper mold base 4 can be removed from the two sets of mounting seats 5, which makes it easier to replace the lower mold base 3 and the upper mold base 4.

[0023] This utility model has four sets of third fixing plates 36 symmetrically arranged at the bottom end of the base plate 1 and the top end of the top plate 20. A guide rod 37 is provided between every two sets of symmetrical third fixing plates 36. The front and rear parts of the two sets of driving blocks 18 are provided with sliding holes. The two sets of driving blocks 18 are slidably connected to the four sets of guide rods 37 respectively. When the two sets of driving blocks 18 move, the two sets of driving blocks 18 slide on the four sets of guide rods 37, which can ensure the stability of the guide rods 37.

[0024] In this invention, each set of the card blocks 33 has a beveled surface, which facilitates the sliding of the four sets of positioning plates 30 through the beveled surfaces of the four sets of card blocks 33 into the four sets of positioning slots of the two sets of mounting seats 5, thus improving its convenience.

[0025] The adjusting plate 7 may be provided with a slider, the U-shaped frame 16 is provided with a sliding groove, the front and rear ends of the U-shaped frame 16 may be provided with sliders, and the movable grooves of the bottom plate 1 and the top plate 20 are provided with sliding grooves.

[0026] In summary, when using the overall equipment: The conveyor belt 8 corresponds to the previous processing step of the large plate material. When the motor 11 is turned on, it drives a set of rotating rollers 9 to rotate. The rotating rollers 9 drive the conveyor belt 8 to convey the large plate material. After the large plate material has been processed by the previous processing step, it is conveyed to the four sets of clamping frames 12 by the conveyor belt 8. Then, the four sets of electric push rods 13 are turned on, which drive the four sets of clamping plates 14 to move downward to clamp and fix the large plate material. After that, the hydraulic cylinder 6 is turned on, which drives the upper mounting seat 5 to move downward. The upper mold seat 4 and the lower mold seat 3 close the mold to perform die cutting on the large plate material.

[0027] Adjust the longitudinal position of the lower mold base 3 and the upper mold base 4 as needed, open the four sets of cylinders 17, and the four sets of cylinders 17 drive the two sets of adjusting plates 7 to slide on the two sets of U-shaped frames 16, thereby adjusting the position of the two sets of mounting seats 5, the upper mold base 3 and the upper mold base 4. Adjust the lateral position of the lower mold base 3 and the upper mold base 4 as needed, open the two sets of motors 23, and the two sets of motors 23 drive the two sets of screws 22 to rotate. The two sets of screws 22 are threadedly connected to the two sets of driving blocks 18. The two sets of driving blocks 18 drive the lower mold base 3 and the upper mold base 4 to adjust the lateral position through the two sets of U-shaped frames 16, so that the lower mold base 3 and the upper mold base 4 can perform die cutting on the next die cutting position of the large plate material.

[0028] Adjust the spacing between the two sets of clamping frames 12 on the left and the two sets of clamping frames 12 on the right according to the length of the large plate. Loosen the four sets of second bolts 29, which will cause the four sets of adjusting blocks 26 to slide in the long grooves of the two sets of horizontal plates 28, thereby adjusting the spacing between the two sets of clamping frames 12 on the left and the two sets of clamping frames 12 on the right. Then, rotate the four sets of second bolts 29 to tighten them against the two sets of horizontal plates 28. Adjust the spacing between the two sets of clamping frames 12 on the front and the two sets of clamping frames 12 on the rear according to the width of the large plate. Loosen the four sets of first bolts 25 to allow the four sets of sliding rods 15 to slide within the four sets of support plates 24. After the spacing between the two sets of clamping frames 12 on the front and the two sets of clamping frames 12 on the rear is adjusted, rotate the four sets of first bolts 25, which will then be threaded into the four sets of support plates 24 and tighten the four sets of sliding rods 15.

[0029] When it is necessary to replace the lower mold base 3 and the upper mold base 4, by pulling the four sets of handles 34, the four sets of handles 34 will drive the eight sets of mounting rods 31 to slide, and the eight sets of mounting rods 31 will drive the four sets of locking blocks 33 to slide into the four sets of operating slots. The four sets of locking blocks 33 will then separate from the four sets of positioning plates 30. After that, the two sets of bases 35 and the four sets of positioning plates 30 on the lower mold base 3 and the upper mold base 4 will be removed from the two sets of mounting seats 5.

[0030] In all the solutions mentioned above, the connection between two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods, which will not be elaborated here. For all the fixed connections mentioned above, welding is preferred. Although the embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of this utility model. The scope of this utility model is defined by the appended claims and their equivalents. In all the solutions mentioned above, the operation of electrical components is controlled by a controller. Since the devices matched with the controllers are common devices, their control principles and circuit connections are existing, well-known, and mature technologies. Therefore, their electrical connection relationships and specific circuit structures will not be elaborated here.

Claims

1. A die-cutting mechanism for processing PET coated foil hot stamping document bags, comprising a base plate (1), characterized in that: The bottom of the base plate (1) is provided with four sets of support legs (2). The upper side of the base plate (1) is provided with a lower mold base (3) and an upper mold base (4). Both the lower mold base (3) and the upper mold base (4) are provided with mounting seats (5). The top of the upper mounting seat (5) is provided with a hydraulic cylinder (6). The base plate (1) is provided with two sets of adjustment devices. The two sets of adjustment devices are respectively connected to the lower mounting seat (5) and the hydraulic cylinder (6). One set of adjustment devices includes an adjustment plate (7). The adjustment plate (7) is installed on the top of the hydraulic cylinder (6). The left side of the base plate (1) A conveyor belt (8) is provided, and two sets of rotating rollers (9) are provided inside the conveyor belt (8). Each end of the two sets of rotating rollers (9) is provided with a vertical plate (10). A motor (11) is provided at the end of one set of rotating rollers (9). Four sets of clamping frames (12) are provided on the upper side of the base plate (1). Each set of clamping frames (12) is provided with an electric push rod (13) at the top. The output ends of the four sets of electric push rods (13) pass through the four sets of clamping frames (12) and are provided with clamping plates (14). Each set of clamping frames (12) is provided with a sliding rod (15).

2. The die-cutting mechanism for processing PET coated foil hot stamping document bags according to claim 1, characterized in that: The top of the adjusting plate (7) is provided with a U-shaped frame (16), the adjusting plate (7) and the U-shaped frame (16) are slidably connected, the front end of the U-shaped frame (16) is provided with two sets of cylinders (17), the output ends of the two sets of cylinders (17) pass through the U-shaped frame (16) and are connected to the front end of the adjusting plate (7), the top of the U-shaped frame (16) is provided with a driving block (18), the top of the base plate (1) is provided with four sets of columns (19), the top of the four sets of columns (19) is provided with a top plate (20), the top plate (20) is connected with a movable groove, the U-shaped frame (16) slides in the movable groove, the base plate (1) is also connected with a movable groove, the U-shaped frame (16) in the lower adjusting device slides in the movable groove of the base plate (1).

3. The die-cutting mechanism for processing PET coated foil hot stamping document bags according to claim 2, characterized in that: The top plate (20) is provided with two sets of first fixing plates (21) at the top. Screws (22) are rotatably provided on the two sets of first fixing plates (21). The drive block (18) is provided with a threaded hole in the middle. The threaded hole is threadedly connected to the screw (22). A second motor (23) is provided at the outer end of one set of first fixing plates (21). The output end of the second motor (23) passes through the first fixing plate (21) and is connected to the screw (22).

4. The die-cutting mechanism for processing PET coated foil hot stamping document bags according to claim 1, characterized in that: four sets of... Each of the slide rods (15) is provided with a support plate (24). The four sets of slide rods (15) are slidably connected to the four sets of support plates (24). The top of each of the four sets of support plates (24) is provided with a threaded hole. The threaded holes are provided with a first bolt (25). The bottom of each of the four sets of support plates (24) is provided with an adjusting block (26). The outer ends of each of the four sets of support legs (2) are provided with a second fixing plate (27). A horizontal plate (28) is provided between the two sets of second fixing plates (27) on the front side and between the two sets of second fixing plates (27) on the rear side. The left and right sides of the two sets of horizontal plates (28) are provided with a long groove. The four sets of adjusting blocks (26) slide in the four sets of long grooves respectively. The outer ends of each of the four sets of long grooves are provided with a long strip groove. The outer ends of each of the four sets of adjusting blocks (26) are provided with a second bolt (29). The four sets of second bolts (29) slide in the four sets of long strip grooves.

5. The die-cutting mechanism for processing PET coated foil hot stamping document bags according to claim 1, characterized in that: The lower mold base (3) and the upper mold base (4) are each provided with a base (35). The left and right ends of the two sets of bases (35) are each provided with a positioning plate (30). The inner ends of the two sets of mounting seats (5) are each provided with a slot. The left and right ends of the two sets of slots are each connected with a positioning groove. The outer ends of the four sets of positioning grooves are each provided with an operating groove. The four sets of operating grooves are each provided with two sets of mounting rods (31). The eight sets of mounting rods (31) slide with the two sets of mounting seats (5) respectively. Each set of mounting rods (31) is fitted with a spring (32). The inner ends of each pair of corresponding mounting rods (31) are each provided with a locking block (33). The four sets of locking blocks (33) respectively lock the four sets of positioning plates (30). The outer ends of each pair of corresponding mounting rods (31) are each provided with a handle (34).

6. The die-cutting mechanism for processing PET coated foil hot stamping document bags according to claim 3, characterized in that: The bottom end of the base plate (1) and the top end of the top plate (20) are symmetrically provided with four sets of third fixing plates (36). A guide rod (37) is provided between each pair of symmetrical sets of third fixing plates (36). The front and rear parts of the two sets of driving blocks (18) are provided with sliding holes. The two sets of driving blocks (18) are slidably connected to the four sets of guide rods (37) respectively.

7. A die-cutting mechanism for processing PET coated foil hot stamping document bags according to claim 5, characterized in that: The surface of each of the card blocks (33) is set as a slope.

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