Polyimide die cutting device
By designing oil-injecting components and die-cutting components in the polyimide film die-cutting device to form a lubricating film, the electrostatic problems during the film die-cutting process are solved, and product quality and stability are improved.
Patent Information
- Application Number
- CN202422065776.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-26
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-08-26
AI Technical Summary
During the process of conducting and die cutting of polyimide films, contact with the film and guide rollers can easily generate static electricity, affecting the stability and transmission efficiency of the film, and may lead to product surface defects.
A polyimide die-cutting device is designed, including an oil injection assembly and a die-cutting assembly, which eliminates or reduces static electricity by forming a lubricating film on the surface of the film. The device includes a film guide roller, an auxiliary assembly, an oil injection assembly and a die-cutting assembly, and uses a motor drive and mechanical structure to achieve limiting, shearing and oil injection of the film.
Effectively eliminate or reduce static electricity generation, ensure product quality and stability, prevent surface defects, and improve transmission efficiency.
Smart Images

Figure CN223130835U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of polyimide, in particular to a polyimide die-cutting device. Background Art
[0002] As a special engineering material, polyimide has been widely used in the fields of aviation, aerospace, microelectronics, nanotechnology, liquid crystal, separation membrane, laser, etc. In the 1960s, countries included the research, development and utilization of polyimide in one of the most promising engineering plastics in the 21st century. Polyimide film is one of the earliest commercial products of polyimide and is used for slot insulation of motors and cable wrapping materials. The transparent polyimide film can be used as a flexible solar cell bottom plate. When guiding and die-cutting the polyimide film, a polyimide die-cutting device is required.
[0003] In the existing technology, during the process of guiding and die-cutting the polyimide film, the polyimide film contacts with the guiding roller, and static electricity is easily generated. The generation of static electricity will not only affect the stability and transmission efficiency of the film, but also may cause defects on the surface of the product. Content of the Utility Model
[0004] The purpose of the utility model is to solve the problem that in the existing technology, during the process of guiding and die-cutting the polyimide film, the polyimide film contacts with the guiding roller, and static electricity is easily generated. The generation of static electricity will not only affect the stability and transmission efficiency of the film, but also may cause defects on the surface of the product, and a polyimide die-cutting device is proposed.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] A polyimide die-cutting device, comprising:
[0007] A base;
[0008] A support, fixedly installed on the base, a first motor is fixedly installed on the front side of the support, a film guiding roller is rotatably connected in the support, an output shaft of the first motor is fixedly connected with the film guiding roller, a top seat is fixedly installed on the top of the support, a second motor is fixedly installed on one side of the top seat, and a concave seat is fixedly installed on the bottom of the top seat;
[0009] An auxiliary component, arranged on the support, for limiting the polyimide film;
[0010] An oil injection component, arranged on the top seat, for injecting oil into the polyimide film;
[0011] A die-cutting component, arranged on the concave seat, for shearing the polyimide film.
[0012] Furthermore, the auxiliary component includes a first spring arranged in the support, the bottom end of the first spring is fixedly connected to a fixed block, the fixed block is slidably connected to the support, an auxiliary roller is provided on one side of the fixed block, and a handle is fixed on the other side of the fixed block. Holding the handle can drive the fixed block to move upward and compress the first spring, and the fixed block drives the auxiliary roller to move upward for adjustment.
[0013] Furthermore, a placement seat is fixedly mounted on the left end of the top surface of the base, and a placement roller is provided on the placement seat.
[0014] Furthermore, the oil injection assembly includes a rotating rod fixedly connected to the output shaft of the second motor, a reciprocating screw is fixedly connected to the rotating rod, a pin barrel is slidably connected in the reciprocating groove of the reciprocating screw, and the pin barrel can reciprocate following the reciprocating groove of the reciprocating screw.
[0015] Furthermore, a reciprocating plate is fixedly connected to the pin cylinder, a telescopic rod is fixedly connected between the reciprocating plate and the top seat, an oil gun is fixedly provided at the bottom of the reciprocating plate, the reciprocating plate can drive the oil gun to move back and forth, and the telescopic rod can ensure the horizontal movement of the reciprocating plate.
[0016] Furthermore, the die-cutting assembly includes a synchronization rod rotatably connected to the top seat, one end of the synchronization rod and the rotating rod are fixedly connected to pulleys, a belt is transmission-connected between the two pulleys, a cam is fixedly connected to the rotating rod, and the rotating rod can drive the cam to rotate.
[0017] Furthermore, limiting holes are provided on both sides of the top seat, limiting plates are slidably connected in the two limiting holes, second springs are fixedly connected to the two limiting plates, and the two second springs are respectively fixedly connected to the top walls of the two limiting holes. When the two second springs release their elastic force, they can drive the two limiting plates to reset.
[0018] Furthermore, an L-shaped plate is fixedly connected between the two limit plates, a die-cutting knife is rotatably connected to the recess, the die-cutting knife is hinged to the L-shaped plate, and the L-shaped plate can reciprocate and drive the die-cutting knife to swing on the recess to shear the film.
[0019] Compared with the prior art, the advantages of the utility model are:
[0020] 1. In this solution, the L-shaped plate drives the two limit plates to move upward and compresses the two second springs. At the same time, due to the hinge between the L-shaped plate and the die-cutting knife, the L-shaped plate drives one end of the die-cutting knife to move upward in an arc, and the die-cutting knife shears the polyimide film;
[0021] 2. In this solution, the pin barrel moves back and forth following the reciprocating groove of the reciprocating screw rod. The pin barrel drives the oil gun to move back and forth through the reciprocating plate to evenly oil the guided polyimide film, which can form a lubricating film on the surface of the polyimide film, effectively eliminating or reducing the generation of static electricity, thereby ensuring the quality and stability of the product.
[0022] The structure of the utility model is simple. By injecting oil into the polyimide film, a lubricating film can be formed on the surface of the polyimide film, effectively eliminating or reducing the generation of static electricity, thereby ensuring the quality and stability of the product and facilitating people's use. Brief Description of the Drawings
[0023] Figure 1 It is a schematic structural diagram of a polyimide die-cutting device proposed by the utility model;
[0024] Figure 2 It is a polyimide die-cutting device proposed by the utility model Figure 1 Schematic diagram of the structure of part A in;
[0025] Figure 3 It is a schematic bottom view structure diagram of a polyimide die-cutting device proposed by the utility model.
[0026] In the figure: 1, base; 2, support; 3, first motor; 4, film guiding roller; 5, top seat; 6, second motor; 7, concave seat; 8, first spring; 9, fixing block; 10, auxiliary roller; 11, placing seat; 12, placing roller; 13, rotating rod; 14, reciprocating lead screw; 15, pin cylinder; 16, reciprocating plate; 17, oil gun; 18, synchronous rod; 19, pulley; 20, belt; 21, cam; 22, limiting plate; 23, second spring; 24, L-shaped plate; 26, die-cutting knife. Detailed Description of the Embodiment
[0027] Next, the technical solutions in this embodiment will be clearly and completely described in conjunction with the accompanying drawings in this embodiment. Obviously, the described embodiments are only a part of the embodiments of this embodiment, rather than all the embodiments. Embodiment
[0028] Referring to Figures 1-3 , a polyimide die-cutting device includes:
[0029] Base 1;
[0030] Support 2, fixedly installed on the base 1. A first motor 3 is fixedly installed on the front side of the support 2. A film guiding roller 4 is rotatably connected inside the support 2. The output shaft of the first motor 3 is fixedly connected to the film guiding roller 4. A top seat 5 is fixedly installed on the top of the support 2. A second motor 6 is fixedly installed on one side of the top seat 5. A concave seat 7 is fixedly installed on the bottom of the top seat 5;
[0031] Auxiliary component, arranged on the support 2, used for limiting the polyimide film;
[0032] Oil injection component, arranged on the top seat 5, used for injecting oil into the polyimide film;
[0033] A die-cutting assembly is disposed on the recess 7 for shearing the polyimide film.
[0034] In this embodiment, the auxiliary assembly includes a first spring 8 disposed in the support 2. The bottom end of the first spring 8 is fixedly connected with a fixed block 9. The fixed block 9 is slidably connected with the support 2. An auxiliary roller 10 is provided on one side of the fixed block 9. A handle is fixedly provided on the other side of the fixed block 9. Holding the handle can drive the fixed block 9 to move upward and compress the first spring 8, and the fixed block 9 drives the auxiliary roller 10 to move upward for adjustment.
[0035] In this embodiment, a placing seat 11 is fixedly installed at the left end of the top surface of the base 1, and a placing roller 12 is provided on the placing seat 11.
[0036] In this embodiment, the oil injection assembly includes a rotating rod 13 fixedly connected to the output shaft of the second motor 6. A reciprocating lead screw 14 is fixedly connected to the rotating rod 13. A pin cylinder 15 is slidably connected in the reciprocating groove of the reciprocating lead screw 14, and the pin cylinder 15 can reciprocate along with the reciprocating groove of the reciprocating lead screw 14.
[0037] In this embodiment, a reciprocating plate 16 is fixedly connected to the pin cylinder 15. An expansion link is fixedly connected between the reciprocating plate 16 and the top seat 5. An oil gun 17 is fixedly provided at the bottom of the reciprocating plate 16. The reciprocating plate 16 can drive the oil gun 16 to reciprocate, and the expansion link can ensure the horizontal movement of the reciprocating plate 16.
[0038] In this embodiment, the die-cutting assembly includes a synchronous rod 18 rotatably connected to the top seat 5. Belt pulleys 19 are fixedly connected to one end of the synchronous rod 18 and the rotating rod 13 respectively. A belt 20 is drivingly connected between the two belt pulleys 19. A cam 21 is fixedly connected to the rotating rod 13, and the rotating rod 13 can drive the cam 21 to rotate.
[0039] In this embodiment, limiting holes are formed on both sides of the top seat 5. Limiting plates 22 are slidably connected in the two limiting holes respectively. Second springs 23 are fixedly connected to the two limiting plates 22 respectively. The two second springs 23 are fixedly connected to the top walls of the two limiting holes respectively. When the two second springs 23 release elastic force, they can drive the two limiting plates 22 to reset.
[0040] In this embodiment, an L-shaped plate 24 is fixedly connected between the two limiting plates 22. A die-cutting knife 26 is rotatably connected to the recess 7. The die-cutting knife 26 is hinged to the L-shaped plate 24. The L-shaped plate 24 can reciprocatingly drive the die-cutting knife 26 to swing on the recess 7 to shear the film.
[0041] The implementation principle of a polyimide die-cutting device according to an embodiment of the present application is as follows: The polyimide film wound on the placing roller 12 passes through the film guiding roller 4 and the auxiliary roller 10. The first motor 3 is started, and the output shaft of the first motor 3 drives the film guiding roller 4 to rotate, and guides the polyimide film. When it is necessary to cut the polyimide film, the second motor 6 is started, so that the rotating rod 13 rotates. Since there is a belt 20 driving between the two pulleys 19, the synchronous rod 18 drives the cam 21 to rotate, and reciprocally presses the L-shaped plate 24 to move upward. The L-shaped plate 24 drives the two limiting plates 22 to move upward and compresses the two second springs 23. At the same time, due to the hinge between the L-shaped plate 24 and the die-cutting knife 26, the L-shaped plate 24 drives one end of the die-cutting knife 26 to reciprocally move upward in an arc shape. At the same time, the die-cutting knife 26 cuts the polyimide film. At the same time, the rotating rod 13 drives the reciprocating lead screw 14 to rotate, and the pin cylinder 15 reciprocally moves along with the reciprocating groove of the reciprocating lead screw 14. The pin cylinder 15 drives the oil gun 17 to reciprocally move through the reciprocating plate 16 to evenly inject oil onto the guided polyimide film, which can form a lubricating film on the surface of the polyimide film, effectively eliminating or reducing the generation of static electricity, thereby ensuring the quality and stability of the product.
[0042] The entire device is connected to a power source and a total control button, and is controlled through the total control button. Since the devices matched with the control button are common devices and belong to the existing mature technologies, the electrical connection relationship and the specific circuit structure are not described in detail herein. Embodiment
[0043] The difference between this embodiment and the first embodiment is that a positioning block is fixedly installed on the base 1, and an electric push rod is fixedly connected to one side of the positioning block. One end of the electric push rod is fixedly connected to a collection box. The electric push rod drives the collection box to move below the oil gun 17 to collect the dropped oil. All the structures in the present application can be selected for the material and length according to the actual use situation. The attached drawings are all schematic structural diagrams, and the specific actual dimensions can be appropriately adjusted.
[0044] The above is only the preferred specific implementation manner of this embodiment, but the protection scope of this embodiment is not limited thereto. Any person skilled in the art within the technical scope disclosed in this embodiment, according to the technical solution of this embodiment and its inventive concept, makes equivalent replacements or changes, and should be covered by the protection scope of this embodiment.
Claims
1. A polyimide die-cutting device, characterized in that include: Base (1); A support (2) is fixedly mounted on the base (1); a first motor (3) is fixedly mounted on the front side of the support (2); a film guide roller (4) is rotatably connected inside the support (2); an output shaft of the first motor (3) is fixedly connected to the film guide roller (4); a top seat (5) is fixedly mounted on the top of the support (2); a second motor (6) is fixedly mounted on one side of the top seat (5); and a recessed seat (7) is fixedly mounted on the bottom of the top seat (5); An auxiliary component, arranged on the support (2) and used for limiting the position of the polyimide film; An oil injection assembly, arranged on the top seat (5), and used for injecting oil into the polyimide film; The die-cutting component is arranged on the recess (7) and is used for cutting the polyimide film.
2. The polyimide die-cutting device according to claim 1, characterized in that, The auxiliary component comprises a first spring (8) arranged in the support (2), the bottom end of the first spring (8) is fixedly connected to a fixed block (9), the fixed block (9) is slidably connected to the support (2), an auxiliary roller (10) is arranged on one side of the fixed block (9), and a handle is fixedly arranged on the other side of the fixed block (9).
3. The polyimide die-cutting device according to claim 1, characterized in that, A placement seat (11) is fixedly mounted on the left end of the top surface of the base (1), and a placement roller (12) is provided on the placement seat (11).
4. A polyimide die-cutting device according to claim 1, characterized in that, The oil injection assembly comprises a rotating rod (13) fixedly connected to the output shaft of the second motor (6), a reciprocating screw rod (14) fixedly connected to the rotating rod (13), and a pin barrel (15) slidably connected in a reciprocating groove of the reciprocating screw rod (14).
5. The polyimide die-cutting device according to claim 4, wherein A reciprocating plate (16) is fixedly connected to the pin barrel (15), a telescopic rod is fixedly connected between the reciprocating plate (16) and the top seat (5), and an oil gun (17) is fixedly provided at the bottom of the reciprocating plate (16).
6. The polyimide die-cutting device according to claim 4, wherein The die-cutting assembly comprises a synchronous rod (18) rotatably connected to the top seat (5); one end of the synchronous rod (18) and the rotating rod (13) are fixedly connected to a pulley (19); a belt (20) is transmission-connected between the two pulleys (19); and a cam (21) is fixedly connected to the rotating rod (13).
7. A polyimide die-cutting device according to claim 1, characterized in that, Limiting holes are provided on both sides of the top seat (5), and limiting plates (22) are slidably connected in the two limiting holes. Second springs (23) are fixedly connected to the two limiting plates (22), and the two second springs (23) are respectively fixedly connected to the top walls of the two limiting holes.
8. A polyimide die-cutting device according to claim 7, characterized in that, An L-shaped plate (24) is fixedly connected between the two limiting plates (22), a die-cutting knife (26) is rotatably connected to the recess (7), and the die-cutting knife (26) is hinged to the L-shaped plate (24).