Adjustable PET film cutting equipment
By designing an adjustable PET film cutting device, the combination of guide rollers, press rollers and mounting blocks, combined with the fixing mechanism of locking components, the problem of cutting knife offset is solved, and the precise adjustment and improvement of the PET film cutting size is achieved.
Patent Information
- Application Number
- CN202420887278.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-26
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-04-26
AI Technical Summary
During the cutting process, existing PET film cutting devices are prone to shifting the cutting knife due to equipment vibration and cutting force, which affects the accuracy of the cutting size.
An adjustable PET film cutting device is designed to realize the guide conveying and cutting of PET film through the combination of guide rollers, press rollers and mounting blocks. The locking components are used to fix the position of the slide rod and the mounting block, and the extension size of the blade is adjusted to achieve accurate adjustment of the cutting size.
It effectively solves the problem of cutting knife offset, improves the accuracy and stability of the cutting size of PET film, and ensures the controllability of the cutting process.
Smart Images

Figure CN222770342U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of film processing, and more specifically to an adjustable PET film cutting device. Background Art
[0002] Before using the PET film, personnel need to use a cutting device to cut the PET film into a suitable size. The PET film is transported and then cut by the cutting structure, so that personnel can use the cut PET film of suitable size.
[0003] After searching, a Chinese patent with publication number CN219095220U discloses a PA composite film cutting device, which can enable the limiting plate to limit the composite films of different diameters, so as not to affect people's subsequent use. However, when the above device adjusts the cutting knife and cuts, the cutting knife is prone to deviation due to the vibration generated during the operation of the equipment and the force generated by the film cutting, thereby affecting the cutting size accuracy of the PET film. Utility Model Content
[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides an adjustable PET film cutting device to solve the problems existing in the above-mentioned background technology.
[0005] The utility model provides the following technical scheme: an adjustable PET film cutting device comprises a frame, wherein a guide roller 1, a pressure roller 1, a pressure roller 2 and a guide roller 2 are rotatably connected between the inner walls on both sides of the frame in sequence, a guide rail 1 is fixedly connected to the inner walls on both sides of the frame, a slide 1 is slidably connected to the top of the guide rail 1, a square tube is fixedly connected between the two slides 1, the inner walls on both sides of the frame are provided with a power component for moving the square tube, a guide rail 2 is fixedly connected to the top outer wall of the square tube, a plurality of slides 2 are slidably connected to the top of the guide rail 2, a mounting block is fixedly connected to the top of the mounting block, a slide rod is inserted into the interior of the mounting block, a blade is fixedly connected to one end of the slide rod, and a locking component 1 and a locking component 2 for fixing the positions of the slide 2 and the slide rod are provided in the mounting block.
[0006] As a further solution of the utility model, the locking component one and the locking component two are two screws respectively, the two screws are threadedly connected to the inside of the mounting block, and the bottom ends of the two screws are in contact with the square tube and the sliding rod respectively.
[0007] As a further solution of the utility model, a rubber pad is bonded to the top of the square tube and the sliding rod.
[0008] As a further solution of the utility model, the bottom end of the screw is rotatably connected to a rotating head, and an embedded groove is provided at the bottom end of the rotating head and located in the middle part.
[0009] As a further solution of the utility model, the bottom end of the rotating head is provided with side openings at both sides, and the side openings are consistent with the opening direction of the embedded groove.
[0010] As a further solution of the utility model, the top ends of the two screws are fixedly connected with knobs.
[0011] As a further solution of the utility model, the power component is a cylinder, the cylinder is rotatably connected to an inner wall of one side of the frame, and one end of the piston rod of the cylinder is rotatably connected to the square tube.
[0012] As a further solution of the utility model, the highest point of the second pressing roller is lower than the lowest point of the first pressing roller.
[0013] Technical effects and advantages of the utility model:
[0014] 1. The utility model realizes the guided conveying of the PET film by making one end of the PET film go around the top of the second guide roller, go around the bottom ends of the second pressure roller and the first pressure roller, and pass through the top of the first guide roller. Then, the position of the mounting block is adjusted to drive the blade to move horizontally, so that the cutting size of the PET film is adjusted. Then, the square tube is driven to move inward along the first guide rail by the power component, and the blade pierces the PET film to perform the cutting operation.
[0015] 2. The utility model fixes the positions of the slide bar and the mounting block respectively by means of locking component 1 and locking component 2, thereby achieving adjustment and fixation of the extension size of the blade and the cutting size of the PET film.
[0016] 3. The utility model makes the rotating head contact with and squeeze the rubber pad one, so that the rubber pad one is deformed and the rotating head is embedded in the rubber pad one. Since an embedded groove is reserved at the bottom of the rotating head, part of the rubber pad one is squeezed into the embedded groove, thereby effectively improving the friction between the rotating head and the rubber pad one. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the front three-dimensional structure of the utility model.
[0018] Figure 2 It is a schematic diagram of the rear three-dimensional structure of the utility model.
[0019] Figure 3 It is a schematic diagram of the enlarged structure of part A of the utility model.
[0020] Figure 4 It is a partial enlarged structural schematic diagram of the utility model.
[0021] Figure 5It is a structural schematic diagram of a locking component of the utility model.
[0022] The accompanying drawings are marked as follows: 1. guide roller one; 2. frame; 3. pressure roller one; 4. guide roller two; 5. pressure roller two; 6. square tube; 7. cylinder; 8. guide rail one; 9. slide one; 10. guide rail two; 11. slide rod; 12. rubber pad one; 13. mounting block; 14. slide two; 15. blade; 16. locking component one; 17. locking component two; 18. rotating head; 19. embedded groove; 20. side opening; 21. screw; 22. knob. DETAILED DESCRIPTION
[0023] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative, and the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.
[0024] Reference Figure 1-Figure 5 The utility model provides an adjustable PET film cutting device, including a frame 2, between the inner walls on both sides of the frame 2 are rotatably connected with a guide roller 1, a pressure roller 3, a pressure roller 2 5 and a guide roller 2 4, the inner walls on both sides of the frame 2 are fixed with a guide rail 8 by bolts, the top of the guide rail 8 is slidably connected with a slide 9, a square tube 6 is fixed between the two slides 9 by bolts, the inner walls on both sides of the frame 2 are provided with a power component for moving the square tube 6, the power component is a cylinder 7, the cylinder 7 is rotatably connected to the inner wall of one side of the frame 2, and one end of the piston rod of the cylinder 7 is rotatably connected to the square tube 6, so that the square tube 6 can be moved forward and backward by starting the cylinder 7, the top outer wall of the square tube 6 is fixed with a guide rail 2 10 by bolts, the top of the guide rail 2 10 is slidably connected with a plurality of slides 2 14, and the top of the slide 2 14 is connected with a plurality of slides 2 A mounting block 13 is fixed by bolts, a slide bar 11 is inserted inside the mounting block 13, a blade 15 is fixed to one end of the slide bar 11 by bolts, and a locking component 16 and a locking component 2 17 are provided in the mounting block 13 to fix the position of the slide table 2 14 and the slide bar 11. By passing one end of the PET film around the top of the guide roller 2 4, and around the bottom ends of the pressure roller 2 5 and the pressure roller 1 3, and passing through the top of the guide roller 1, the PET film is guided and conveyed, and then the position of the mounting block 13 is adjusted to make the mounting block 13 drive the blade 15 to move horizontally, so that the cutting size of the PET film is adjusted, and then the square tube 6 is driven by the power component to move inward along the guide rail 8, and the blade 15 pierces the PET film and performs the cutting operation, and the highest point of the pressure roller 2 5 is lower than the lowest point of the pressure roller 3.
[0025] In the utility model, the locking component 16 and the locking component 2 17 are respectively two screws 21, and the two screws 21 are threadedly connected to the inside of the mounting block 13, and the bottom ends of the two screws 21 are respectively in contact with the square tube 6 and the slide bar 11, and the positions of the slide bar 11 and the mounting block 13 are fixed by the locking component 16 and the locking component 2 17, so as to achieve the extension size of the blade 15 and the cutting size of the PET film. The top of the square tube 6 and the slide bar 11 are bonded with a rubber pad 12, and the bottom end of the screw 21 is rotatably connected to the rotating head 18, and the bottom end of the rotating head 18 is located in the middle The intermediate component is provided with an embedded groove 19, and the rotating head 18 contacts and squeezes the rubber pad 12, so that the rubber pad 12 is deformed and the rotating head 18 is embedded in the rubber pad 12. Since the embedded groove 19 is reserved at the bottom of the rotating head 18, part of the rubber pad 12 is squeezed into the embedded groove 19, thereby effectively improving the friction between the rotating head 18 and the rubber pad 12. The bottom of the rotating head 18 is located on both sides and has side openings 20. The side openings 20 are consistent with the opening direction of the embedded groove 19. The top ends of the two screws 21 are fixed with knobs 22 by bolts, so that the screws 21 are easy to rotate.
[0026] The working principle of the utility model is as follows: when in use, one end of the PET film is passed over the top of the guide roller 2 4, and is passed over the bottom ends of the pressure roller 2 5 and the pressure roller 1 3 and passed over the top of the guide roller 1, so as to realize the guided conveying of the PET film, and then the position of the mounting block 13 is adjusted so that the mounting block 13 drives the blade 15 to move laterally, and the positions of the slide bar 11 and the mounting block 13 are fixed respectively by the locking component 16 and the locking component 2 17, so as to realize the adjustment and fixation of the extension size of the blade 15 and the cutting size of the PET film, so that the cutting size of the PET film is adjusted, and then the cylinder 7 is extended to drive the square tube 6 to move inward along the guide rail 8, and the blade 15 pierces the PET film and performs the cutting operation.
[0027] Finally, a few points should be explained: In the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;
[0028] In the drawings of the embodiments disclosed by the present invention, only the structures related to the embodiments disclosed by the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other.
Claims
1. An adjustable PET film cutting device, comprising a frame (2), characterized in that: A guide roller 1 (1), a pressure roller 1 (3), a pressure roller 2 (5) and a guide roller 2 (4) are rotatably connected between the inner walls on both sides of the frame (2); a guide rail 1 (8) is fixedly connected to the inner walls on both sides of the frame (2); a slide table 1 (9) is slidably connected to the top of the guide rail 1 (8); a square tube (6) is fixedly connected between the two slide tables 1 (9); a power component for moving the square tube (6) is provided on the inner walls on both sides of the frame (2); and the top outer wall of the square tube (6) is A guide rail (10) is fixedly connected, a plurality of slides (14) are slidably connected to the top of the guide rail (10), a mounting block (13) is fixedly connected to the top of the slides (14), a slide rod (11) is inserted into the interior of the mounting block (13), a blade (15) is fixedly connected to one end of the slide rod (11), and a locking component (16) and a locking component (17) are provided in the mounting block (13) for fixing the positions of the slides (14) and the slide rods (11).
2. The adjustable PET film cutting device according to claim 1, characterized in that: The locking component 1 (16) and the locking component 2 (17) are respectively two screws (21), and the two screws (21) are both threadedly connected to the inside of the mounting block (13), and the bottom ends of the two screws (21) are respectively in contact with the square tube (6) and the sliding rod (11).
3. The adjustable PET film cutting device according to claim 2, characterized in that: The tops of the square tube (6) and the sliding rod (11) are both bonded with a rubber pad (12).
4. The adjustable PET film cutting device according to claim 3, characterized in that: The bottom end of the screw (21) is rotatably connected to a rotating head (18), and an embedded groove (19) is provided at the bottom end of the rotating head (18) and located in the middle part.
5. The adjustable PET film cutting device according to claim 4, characterized in that: The bottom end of the rotating head (18) is provided with side openings (20) at both sides, and the side openings (20) are in the same direction as the opening of the embedded groove (19).
6. The adjustable PET film cutting device according to claim 2, characterized in that: The top ends of the two screws (21) are fixedly connected with knobs (22).
7. The adjustable PET film cutting device according to claim 1, characterized in that: The power component is a cylinder (7), which is rotatably connected to an inner wall of one side of the frame (2), and one end of a piston rod of the cylinder (7) is rotatably connected to the square tube (6).
8. The adjustable PET film cutting device according to claim 1, characterized in that: The highest point of the pressing roller 2 (5) is lower than the lowest point of the pressing roller 1 (3).
Citation Information
Patent Citations
PA composite film cutting device
CN219095220U