Surface modification treatment device for polyimide film insulating layer

Abstract

The utility model discloses a surface modification treatment device for a polyimide film insulating layer, which belongs to the technical field of polyimide films and comprises a modified liquid pool, L-shaped support plates are fixed at two ends of the modified liquid pool, and the L-shaped support plates are fixed on the modified liquid pool. A first longitudinal supporting assembly is arranged at the top of the L-shaped supporting plate, U-shaped connecting columns are arranged at the two ends of the interior of the modified liquid pool, second longitudinal supporting assemblies are arranged at the bottoms of the U-shaped connecting columns, each of the first longitudinal supporting assembly and the second longitudinal supporting assemblies is composed of two longitudinal driven rollers, and the two longitudinal driven rollers are vertically arranged; through reciprocating lifting motion of the two second longitudinal supporting assemblies, the film can make full contact with chemical liquid, the opportunity of surface reaction is increased, the chemical liquid forms dynamic flow on the surface of the film through reciprocating motion, and the efficiency and uniformity of modification reaction are further improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of polyimide film, specifically relates to a surface modification treatment device of polyimide film insulating layer. BACKGROUND

[0002] Polyimide film is widely used in electronic, electrical, aerospace and other fields due to its excellent high temperature resistance, chemical corrosion resistance, high mechanical strength and good insulation performance. However, in order to further improve its surface performance, such as enhancing adhesion, improving surface wettability, improving antistatic performance, etc., it is usually necessary to perform surface modification treatment on the polyimide film. The existing surface modification technology mainly includes chemical treatment, plasma treatment, ultraviolet light treatment, etc., among which, chemical liquid treatment is a common and effective method, by immersing the film in a specific chemical liquid, the surface of the film is chemically reacted or physically adsorbed, so as to achieve the purpose of modification;

[0003] In the existing chemical liquid treatment device, the film is usually fixed on a support and then immersed in a chemical liquid tank for treatment. This treatment method has some limitations. The residence time and movement mode of the film in the liquid are relatively single. Usually only simple soaking treatment can be carried out, which leads to uneven modification effect and low efficiency. Since the movement mode of the film in the liquid is limited, it is difficult to flexibly adjust the treatment parameters such as immersion depth and residence time according to the actual needs, thereby affecting the flexibility and effect of the modification. Therefore, we design a surface modification treatment device for the insulating layer of polyimide film to provide another technical solution for the above technical problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a surface modification treatment device for the insulating layer of polyimide film to solve the problems of the existing technology in use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a surface modification treatment device for the insulating layer of polyimide film, comprising a modification liquid pool, both ends of the modification liquid pool are fixed with L-shaped support plates, the top of the L-shaped support plate is provided with a first longitudinal support assembly, both ends of the inside of the modification liquid pool are provided with U-shaped connecting columns, the bottom of the U-shaped connecting column is provided with a second longitudinal support assembly, the first longitudinal support assembly and the second longitudinal support assembly are both composed of two longitudinal driven rollers, and the two longitudinal driven rollers are placed vertically;

[0006] The outer side of the modification liquid pool is provided with a lifting mechanism for reciprocating lifting movement of the two U-shaped connecting columns.

[0007] Preferably, the lifting mechanism comprises a rectangular mounting plate, the top of the modified liquid pool is fixed with the rectangular mounting plate, one end of the rectangular mounting plate is bolted with an L-shaped mounting plate, one end of the L-shaped mounting plate is bolted with a driving motor, the output end of the driving motor is fixed with a rectangular rotating column, the bottom of the rectangular rotating column is rotatably connected with a first rectangular transmission rod through a pin shaft, the bottom of the first rectangular transmission rod is rotatably connected with a longitudinal connecting shaft through a bearing, one end of the longitudinal connecting shaft outside is rotatably connected with a second rectangular transmission rod through a bearing, the bottom of the second rectangular transmission rod is rotatably connected with a rectangular rotating crank through a pin shaft, the inside of one side of the rectangular rotating crank is fixed with a longitudinal rotating shaft, and the end of the longitudinal rotating shaft close to the modified liquid pool is rotatably connected with the modified liquid pool through a bearing.

[0008] Preferably, the end of the longitudinal connecting shaft close to the modified liquid pool is fixed with a dovetail sliding block, the inside of the modified liquid pool is provided with a dovetail sliding groove, and the longitudinal connecting shaft and the modified liquid pool are slidably connected through cooperation of the dovetail sliding block and the dovetail sliding groove.

[0009] Preferably, the output end of the driving motor penetrates the inside of the L-shaped mounting plate and is rotatably connected with the L-shaped mounting plate through a bearing.

[0010] Preferably, the lifting mechanism further comprises an oblique rotating column, the outside of the end of the longitudinal rotating shaft away from the modified liquid pool is fixed with an oblique rotating column, both ends of the inside of the oblique rotating column are slidably connected with longitudinal driven columns, one end of the longitudinal driven column close to the U-shaped connecting column is fixedly connected with the U-shaped connecting column, the outside of the U-shaped connecting column is slidably connected with a rectangular limiting block, and the end of the rectangular limiting block close to the modified liquid pool is fixedly connected with the modified liquid pool.

[0011] Preferably, the inside of the oblique rotating column is provided with a transverse guide groove, the longitudinal driven column is located in the inside of the transverse guide groove and is slidably connected with the oblique rotating column through the transverse guide groove.

[0012] Preferably, the inside of the rectangular limiting block is provided with a rectangular through groove, the U-shaped connecting column is located in the inside of the rectangular through groove and is slidably connected with the rectangular limiting block through the rectangular through groove.

[0013] Compared with the prior art, the lifting mechanism has the advantages that:

[0014] The utility model discloses a reciprocating lifting movement of two second longitudinal support assemblies makes the film can be fully contacted with chemical liquid, increases the opportunity of surface reaction, avoids the problem of non -uniform modification caused by the insufficient fluidity of liquid in traditional soaking treatment, and reciprocating motion makes chemical liquid form dynamic flow on the film surface, further improves the efficiency and uniformity of modification reaction, through the adjustment of the lifting stroke and the movement speed of second longitudinal support assembly, can according to actual demand, flexible control film's immersion depth, residence time and movement frequency in chemical liquid, satisfies the requirement of different modification process, improves the applicability and flexibility of device. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structural diagram of the utility model L shape support board and first longitudinal support assembly;

[0016] Figure 2 It is the structural diagram of the utility model modification liquid pool inside;

[0017] Figure 3 It is the structural diagram of the utility model oblique rotation column and longitudinal rotation shaft;

[0018] Figure 4 It is the structural diagram of the utility model rectangular mounting plate and L shape mounting plate;

[0019] Figure 5 It is the structural diagram of the utility model first rectangular transmission rod and longitudinal connecting shaft;

[0020] Figure 6 It is the structural diagram of the utility model U shape connecting column and rectangular limiting block.

[0021] In the drawing: 1, modification liquid pool;2, L shape support board;3, first longitudinal support assembly;4, oblique rotation column;5, longitudinal rotation shaft;6, U shape connecting column;7, rectangular mounting plate;8, L shape mounting plate;9, drive motor;10, second longitudinal support assembly;11, longitudinal driven column;12, rectangular limiting block;13, rectangular rotation column;14, first rectangular transmission rod;15, longitudinal connecting shaft;16, second rectangular transmission rod;17, rectangular rotation crank. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] Refer toFigures 1-6 The utility model provides a kind of surface modification treatment device of polyimide film insulation layer, including modification liquid pool 1, both ends of modification liquid pool 1 are fixed with L-shaped support plate 2, the top of L-shaped support plate 2 is provided with first longitudinal support component 3, both ends in modification liquid pool 1 are provided with U-shaped connecting column 6, the bottom of U-shaped connecting column 6 is provided with second longitudinal support component 10, first longitudinal support component 3 and second longitudinal support component 10 are all made of two longitudinal driven rollers, and two longitudinal driven rollers are placed vertically, so that film can pass the inside of two longitudinal driven rollers;

[0024] The outside of modification liquid pool 1 is provided with lifting mechanism for the reciprocating lifting movement of two U-shaped connecting columns 6;

[0025] Lifting mechanism includes rectangular mounting plate 7, the top of modification liquid pool 1 is fixed with rectangular mounting plate 7, one end of rectangular mounting plate 7 is bolted with L-shaped mounting plate 8, one end of L-shaped mounting plate 8 is bolted with driving motor 9, the output end of driving motor 9 is fixed with rectangular rotating column 13, the bottom of rectangular rotating column 13 is rotatably connected with first rectangular transmission rod 14 by pin shaft, the bottom of first rectangular transmission rod 14 is rotatably connected with longitudinal connecting shaft 15 by bearing, one end of longitudinal connecting shaft 15 outside is rotatably connected with second rectangular transmission rod 16 by bearing, the bottom of second rectangular transmission rod 16 is rotatably connected with rectangular rotating crank 17 by pin shaft, the inside of one side of rectangular rotating crank 17 is fixed with longitudinal rotating shaft 5, one end of longitudinal rotating shaft 5 close to modification liquid pool 1 is rotatably connected with modification liquid pool 1 by bearing;

[0026] One end of longitudinal connecting shaft 15 close to modification liquid pool 1 is fixed with dovetail sliding block, the inside of modification liquid pool 1 is provided with dovetail sliding groove, longitudinal connecting shaft 15 and modification liquid pool 1 are slidably connected by the cooperation of dovetail sliding block and dovetail sliding groove, by the cooperation of dovetail sliding block and dovetail sliding groove, longitudinal connecting shaft 15 can vertically slide at one end of modification liquid pool 1, so as to guide the vertical sliding track of longitudinal connecting shaft 15;

[0027] The output end of driving motor 9 penetrates the inside of L-shaped mounting plate 8 and is rotatably connected with L-shaped mounting plate 8 by bearing, so that the operation of driving motor 9 can drive rectangular rotating column 13 to rotate;

[0028] Here, the operation of driving motor 9 makes rectangular rotating column 13 can rotate, the rotation of first rectangular transmission rod 14 makes longitudinal connecting shaft 15 can vertically slide, so that dovetail sliding block can vertically slide in dovetail sliding groove, the vertical sliding of longitudinal connecting shaft 15 makes rectangular rotating crank 17 can drive longitudinal rotating shaft 5 to rotate by the setting of second rectangular transmission rod 16, so that longitudinal rotating shaft 5 can reciprocating rotate.

[0029] The lifting mechanism further comprises a diagonal rotating column 4, the outer side of the longitudinal rotating shaft 5 away from one end of the modified liquid pool 1 is fixedly connected with the diagonal rotating column 4, and the two ends in the interior of the diagonal rotating column 4 are both slidably connected with longitudinal driven columns 11; the end of the longitudinal driven column 11 close to the U-shaped connecting column 6 is fixedly connected with the U-shaped connecting column 6, and the outer side of the U-shaped connecting column 6 is slidably connected with a rectangular limiting block 12; the end of the rectangular limiting block 12 close to the modified liquid pool 1 is fixedly connected with the modified liquid pool 1;

[0030] The interior of the diagonal rotating column 4 is provided with a transverse guide slot, the longitudinal driven column 11 is located in the interior of the transverse guide slot and is slidably connected with the diagonal rotating column 4 through the transverse guide slot, and through the arrangement of the transverse guide slot, the longitudinal driven column 11 can slide in the interior of the diagonal rotating column 4;

[0031] The interior of the rectangular limiting block 12 is provided with a rectangular through slot, the U-shaped connecting column 6 is located in the interior of the rectangular through slot and is slidably connected with the rectangular limiting block 12 through the rectangular through slot, and through the arrangement of the rectangular through slot, the U-shaped connecting column 6 can vertically slide in the interior of the rectangular limiting block 12, thereby guiding the vertical lifting track of the U-shaped connecting column 6, and the lifting of the U-shaped connecting column 6 can make the film in the interior of the second longitudinal supporting assembly 10 be lifted;

[0032] Here, the rotation of the longitudinal rotating shaft 5 can make the diagonal rotating column 4 rotate, the rotation of the diagonal rotating column 4 can make the U-shaped connecting column 6 vertically slide in the interior of the rectangular limiting block 12 through the longitudinal driven column 11, the vertical sliding of the U-shaped connecting column 6 can make the second longitudinal supporting assembly 10 vertically slide, thereby driving the film to dynamically move in the interior of the modified liquid pool 1, so that the film can fully contact with the chemical liquid;

[0033] Through the reciprocating lifting movement of the two second longitudinal supporting assemblies 10, the film can fully contact with the chemical liquid, the opportunity of surface reaction is increased, the problem of uneven modification caused by insufficient liquid flow in traditional soaking treatment is avoided, the reciprocating movement makes the chemical liquid form dynamic flow on the surface of the film, and the efficiency and uniformity of the modification reaction are further improved; by adjusting the lifting stroke and movement speed of the second longitudinal supporting assembly 10, the immersion depth, residence time and movement frequency of the film in the chemical liquid can be flexibly controlled according to actual requirements, the requirements of different modification processes are met, and the applicability and flexibility of the device are improved.

[0034] Working principle: the operation of the driving motor 9 makes the rectangular rotating column 13 rotate, the rotation of the first rectangular transmission rod 14 makes the vertical connecting shaft 15 slide vertically, and then the dovetail slider slides vertically in the dovetail sliding groove, the vertical sliding of the vertical connecting shaft 15 makes the rectangular rotating crank 17 drive the vertical rotating shaft 5 to rotate, and then the vertical rotating shaft 5 rotates reciprocatingly;

[0035] The rotation of the vertical rotating shaft 5 makes the oblique rotating column 4 rotate, and the rotation of the oblique rotating column 4 makes the U-shaped connecting column 6 slide vertically in the rectangular limiting block 12 through the vertical driven column 11, the vertical sliding of the U-shaped connecting column 6 makes the second vertical supporting assembly 10 slide vertically, and then drives the thin film to move dynamically in the modified liquid pool 1, so that the thin film can be fully contacted with the chemical liquid.

[0036] Although the embodiments of the present application have been shown and described, it should 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 principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A surface modification treatment apparatus for a polyimide film insulating layer, characterized in that: The application relates to a modified liquid pool (1), both ends of the modified liquid pool (1) are fixed with L-shaped supporting plates (2), the top of the L-shaped supporting plates (2) is provided with first longitudinal supporting assemblies (3), both ends of the inside of the modified liquid pool (1) are provided with U-shaped connecting columns (6), the bottom of the U-shaped connecting columns (6) is provided with second longitudinal supporting assemblies (10), the first longitudinal supporting assemblies (3) and the second longitudinal supporting assemblies (10) are both composed of two longitudinal driven rollers, and the two longitudinal driven rollers are vertically placed. The outside of the modified liquid pool (1) is provided with a lifting mechanism for reciprocating lifting movement of the two U-shaped connecting columns (6).

2. The surface modification treatment apparatus for a polyimide film insulation layer according to claim 1, characterized by: The lifting mechanism comprises a rectangular mounting plate (7), the top of the modified liquid pool (1) is fixed with the rectangular mounting plate (7), one end of the rectangular mounting plate (7) is bolted with an L-shaped mounting plate (8), one end of the L-shaped mounting plate (8) is bolted with a driving motor (9), the output end of the driving motor (9) is fixed with a rectangular rotating column (13), the bottom of the rectangular rotating column (13) is rotationally connected with a first rectangular transmission rod (14) through a pin shaft, the bottom of the first rectangular transmission rod (14) is rotationally connected with a longitudinal connecting shaft (15) through a bearing, one end of the outside of the longitudinal connecting shaft (15) is rotationally connected with a second rectangular transmission rod (16) through a bearing, the bottom of the second rectangular transmission rod (16) is rotationally connected with a rectangular rotating crank (17) through a pin shaft, the inside of one side of the rectangular rotating crank (17) is fixed with a longitudinal rotating shaft (5), one end of the longitudinal rotating shaft (5) close to the modified liquid pool (1) is rotationally connected with the modified liquid pool (1) through a bearing.

3. The surface modification treatment apparatus for a polyimide film insulation layer according to claim 2, characterized by: One end of the longitudinal connecting shaft (15) close to the modified liquid pool (1) is fixed with a dovetail sliding block, the inside of the modified liquid pool (1) is provided with a dovetail sliding groove, and the longitudinal connecting shaft (15) and the modified liquid pool (1) are slidably connected through cooperation of the dovetail sliding block and the dovetail sliding groove.

4. The surface modification treatment apparatus for a polyimide film insulation layer according to claim 2, characterized by: The output end of the driving motor (9) penetrates the inside of the L-shaped mounting plate (8) and is rotationally connected with the L-shaped mounting plate (8) through a bearing.

5. The surface modification treatment apparatus for a polyimide film insulation layer according to claim 3, characterized by: The lifting mechanism further comprises an oblique rotating column (4), the outside of one end of the longitudinal rotating shaft (5) away from the modified liquid pool (1) is fixed with the oblique rotating column (4), both ends of the inside of the oblique rotating column (4) are slidably connected with longitudinal driven columns (11), one end of the longitudinal driven columns (11) close to the U-shaped connecting columns (6) is fixedly connected with the U-shaped connecting columns (6), the outside of the U-shaped connecting columns (6) is slidably connected with rectangular limiting blocks (12), one end of the rectangular limiting blocks (12) close to the modified liquid pool (1) is fixedly connected with the modified liquid pool (1).

6. The surface modification treatment apparatus for a polyimide film insulation layer according to claim 5, characterized by: The inside of the oblique rotating column (4) is provided with a transverse guide groove, the longitudinal driven columns (11) are located in the transverse guide groove and are slidably connected with the oblique rotating column (4) through the transverse guide groove.

7. The surface modification treatment apparatus for a polyimide film insulation layer according to claim 5, characterized by: The interior of the rectangular limiting block (12) is provided with a rectangular through groove, and the U-shaped connecting column (6) is located in the interior of the rectangular through groove and is in sliding connection with the rectangular limiting block (12) through the rectangular through groove.

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