Drying device for polyimide film

Abstract

The utility model discloses a polyimide film drying device which comprises a box body and is characterized in that a folding assembly is installed inside the box body, the folding assembly comprises a fixed frame fixedly connected with the inner wall of the bottom of the box body, one end of the inner wall of the bottom of the box body is rotationally connected with a screw rod, and the outer portion of the screw rod is in threaded connection with a movable frame. A first limiting rod is slidably inserted into one end of the movable frame, and one end of the first limiting rod is fixedly connected to the inner wall of the bottom of the box body. And the higher the position of the movable frame is adjusted upwards, the longer the stay time of the polyimide film in the box body is, the drying effect is not affected even if the transmission speed is increased, and the processing efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of polyimide film production, in particular to a polyimide film drying device. Background Art

[0002] Polyimide films include two types: homophenyl polyimide films and biphenyl polyimide films. The former is a product of DuPont in the United States. After the polyimide film is formed, it needs to be dried.

[0003] After searching, a utility model with Chinese patent publication number CN215203030U discloses a drying device for polyimide film, including a mounting frame, a spring fixedly connected to the inner side of the mounting frame, a mounting plate fixedly connected to the other end of the spring, a limiting block fixedly connected to the inner side of the mounting frame, a first motor fixedly connected to the front end surface of the mounting plate, and a pulley fixedly connected to the end of the main shaft of the first motor.

[0004] For example, the above device dries the passing polyimide film through an electric heating plate. To achieve a good drying effect, the film needs to be transmitted slowly. If the transmission speed is too fast, it will affect the processing effect and is not conducive to improving the processing efficiency. Summary of the invention

[0005] The purpose of the utility model is to provide a drying device for polyimide film to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a drying device for polyimide film, comprising a box body, characterized in that: a folding assembly is installed inside the box body, the folding assembly includes a fixed frame fixedly connected to the bottom inner wall of the box body, one end of the bottom inner wall of the box body is rotatably connected to a screw rod, the outer side of the screw rod is threadedly connected to a movable frame, one end of the movable frame is slidably inserted with a first limit rod, one end of the first limit rod is fixedly connected to the bottom inner wall of the box body, multiple guide rollers are fixedly installed on the outer walls of the fixed frame and the movable frame that are close to each other, and the multiple guide rollers of the fixed frame and the movable frame are staggered with each other.

[0007] As a further preferred embodiment of the present technical solution, a motor 1 is fixedly mounted on the outer wall of the bottom of the box body, and the output end of the motor 1 is coaxially fixed with the screw.

[0008] By adjusting the humidity of the polyimide film, the folding assembly can be used to ensure that the polyimide film is dried thoroughly enough without affecting its transmission speed. The higher the movable frame is adjusted, the longer the polyimide film stays in the box. Increasing the transmission speed will not affect the drying effect, which is beneficial to improving processing efficiency. Starting motor one, motor one drives the screw to rotate, and the screw and the first limit rod can limit the position of the movable frame. At this time, the rotation of the screw can drive the movable frame to move upward, and the polyimide film mounted on multiple guide rollers of the movable frame and the fixed frame also needs to be longer.

[0009] As a further preferred embodiment of the technical solution, the bottom of the inner walls at both ends of the box body are rotatably connected with a same guide roller, and the guide roller and the multiple guide roller sleeves are provided with a same polyimide film.

[0010] As a further preferred embodiment of the present technical solution, a drying component is installed inside the box body, and the drying component is located at the top of the folding component.

[0011] As a further preferred embodiment of the present technical solution, the drying component includes an installation box fixedly connected to the inner wall of one side of the box body, a plurality of air outlet ducts are rotatably connected to the outer wall of one side of the installation box, the plurality of air outlet ducts are all connected to the interior of the installation box, and the air outlets of the plurality of air outlet ducts are arranged downward, a hot air blower is fixedly installed on the outer wall of one side of the box body, and the hot air blower is connected to the interior of the installation box.

[0012] As a further preferred embodiment of the present technical solution, the inner walls at both ends of the box are rotatably connected to the same reciprocating screw, the reciprocating screw is slidably sleeved on the outside with a driving plate, the driving plate is provided with a slider compatible with the reciprocating screw, a second limit rod is slidably inserted in the driving plate, both ends of the second limit rod are respectively rotatably connected to the inner walls at both ends of the box, the multiple air outlet ducts are all in contact with the driving plate, a second motor is fixedly installed on the outer wall at one end of the box, and the rotating shaft of the second motor and the reciprocating screw are coaxially fixed.

[0013] Start the hot air blower, and the hot air generated by the hot air blower enters the installation box, and then enters multiple air outlet pipes respectively, and then blows downward to the surface of the polyimide film. Finally, start the external winding device to start the automatic drying work, start motor 2, and motor 2 can drive the reciprocating screw to rotate. The driving plate will move back and forth along the reciprocating screw under the cooperation of the second limit rod and the reciprocating screw. While moving, the driving plate will drive multiple air outlet pipes to swing back and forth, which greatly increases the air outlet area of ​​the air outlet pipe, so that all positions of the polyimide film can be dried.

[0014] As a further preferred embodiment of the present technical solution, a protective door is rotatably connected to the outside of the box body via a hinge, and the protective door corresponds to the position of the folding assembly.

[0015] The utility model provides a drying device for polyimide film, which has the following beneficial effects:

[0016] (1) The utility model provides a folding assembly, and adjusts the folding assembly by the moisture content of the polyimide film, thereby ensuring that the polyimide film is dried thoroughly enough without affecting its transmission speed. Furthermore, the higher the position of the movable frame is adjusted, the longer the polyimide film stays in the box. Increasing the transmission speed will not affect the drying effect, which is beneficial to improving processing efficiency. When the motor is started, the motor drives the screw to rotate. The screw and the first limit rod can limit the position of the movable frame. At this time, the rotation of the screw can drive the movable frame to move upward, and the polyimide film mounted on the multiple guide rollers of the movable frame and the fixed frame also needs to be longer.

[0017] (2) The utility model sets a drying component and starts the second motor, which can drive the reciprocating screw to rotate. The driving plate will move back and forth along the reciprocating screw under the cooperation of the second limit rod and the reciprocating screw. While moving, the driving plate will drive multiple air outlet pipes to swing back and forth, greatly increasing the air outlet area of ​​the air outlet pipe, so that all positions of the polyimide film can be dried. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the internal structure of the box of the utility model;

[0020] Figure 3 It is an enlarged structural diagram of the folding component of the utility model;

[0021] Figure 4 For the utility model Figure 2 The enlarged structural diagram at A in the middle;

[0022] In the figure: 1. box body; 2. protective door; 3. guide roller; 4. folding assembly; 5. drying assembly; 401. fixed frame; 402. screw; 403. motor one; 404. movable frame; 405. first limit rod; 501. hot air blower; 502. installation box; 503. air outlet duct; 504. reciprocating screw; 505. second limit rod; 506. drive plate; 507. motor two. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0024] The utility model provides a technical solution: Figure 2 and Figure 3 As shown, in this embodiment, a drying device for polyimide film includes a box body 1, characterized in that: a folding component 4 is installed inside the box body 1, the folding component 4 includes a fixed frame 401 fixedly connected to the bottom inner wall of the box body 1, one end of the bottom inner wall of the box body 1 is rotatably connected to a screw rod 402, the external thread of the screw 402 is connected to a movable frame 404, one end of the movable frame 404 is slidably inserted with a first limiting rod 405, one end of the first limiting rod 405 is fixedly connected to the bottom inner wall of the box body 1, and multiple guide rollers are fixedly installed on the outer walls of the fixed frame 401 and the movable frame 404 that are close to each other, and the multiple guide rollers of the fixed frame 401 and the movable frame 404 are staggered.

[0025] A motor 403 is fixedly mounted on the outer wall of the bottom of the box body 1, and the output end of the motor 403 is coaxially fixed with the screw 402.

[0026] By adjusting the humidity of the polyimide film, the folding component 4 can be used to ensure that the polyimide film is dried thoroughly enough without affecting its transmission speed. The motor 403 is started, and the motor 403 drives the screw 402 to rotate. The screw 402 and the first limit rod 405 can limit the position of the movable frame 404. At this time, the rotation of the screw 402 can drive the movable frame 404 to move upward, and the polyimide film mounted on the movable frame 404 and the multiple guide rollers of the fixed frame 401 also needs to be longer. The higher the movable frame 404 is adjusted, the longer the polyimide film stays in the box 1, and thus increasing the transmission speed will not affect the drying effect.

[0027] like Figure 3 As shown, the bottom of the inner wall at both ends of the box body 1 is rotatably connected with the same guide roller 3, and the guide roller 3 and multiple guide roller sleeves are provided with the same polyimide film to ensure that after the polyimide film passes through the box body 1, its position will not change due to changes in the folding component 4.

[0028] like Figure 2 and Figure 4 As shown, a drying assembly 5 is installed inside the box body 1 , and the drying assembly 5 is located at the top position of the folding assembly 4 .

[0029] The drying component 5 includes an installation box 502 fixedly connected to the inner wall of one side of the box body 1, and a plurality of air outlet ducts 503 are rotatably connected to the outer wall of one side of the installation box 502. The plurality of air outlet ducts 503 are all connected to the interior of the installation box 502, and the air outlets of the plurality of air outlet ducts 503 are arranged to face downward. A hot air blower 501 is fixedly installed on the outer wall of one side of the box body 1, and the hot air blower 501 is connected to the interior of the installation box 502.

[0030] The inner walls at both ends of the box body 1 are rotatably connected with the same reciprocating screw 504, and a driving plate 506 is slidably sleeved on the outside of the reciprocating screw 504. A sliding block compatible with the reciprocating screw 504 is arranged inside the driving plate 506, and a second limit rod 505 is slidably inserted in the driving plate 506. Both ends of the second limit rod 505 are rotatably connected to the inner walls at both ends of the box body 1, and multiple air outlet pipes 503 are all in contact with the driving plate 506. A second motor 507 is fixedly installed on the outer wall of one end of the box body 1, and the rotating shaft of the second motor 507 is coaxially fixed with the reciprocating screw 504.

[0031] Start the hot air blower 501, and the hot air generated by the hot air blower 501 enters the installation box 502, and then enters the multiple air outlet pipes 503 respectively, and then blows downward to the surface of the polyimide film. Finally, start the external winding device to start the automatic drying work, and at the same time start the motor 2 507, and the motor 2 507 can drive the reciprocating screw rod 504 to rotate. Under the cooperation of the second limit rod 505 and the reciprocating screw rod 504, the driving plate 506 will reciprocate along the reciprocating screw rod 504. While moving, the driving plate 506 will drive the multiple air outlet pipes 503 to swing back and forth, which greatly increases the air outlet area of ​​the air outlet pipe 503, so that all positions of the polyimide film can be dried.

[0032] As shown in FIG. 1 and FIG. 2 , a protective door 2 is rotatably connected to the outside of the box body 1 through a hinge, and the position of the protective door 2 corresponds to the position of the folding component 4, making the installation of the polyimide film more convenient.

[0033] The utility model provides a drying device for polyimide film, and the specific working principle is as follows:

[0034] When the device is working, the folding component 4 is adjusted by the humidity of the polyimide film to ensure that the polyimide film is dried thoroughly enough without affecting its transmission speed. The motor 403 is started, and the motor 403 drives the screw 402 to rotate. The screw 402 and the first limit rod 405 can limit the position of the movable frame 404. At this time, the rotation of the screw 402 can drive the movable frame 404 to move upward, and then the polyimide film mounted on the movable frame 404 and the multiple guide rollers of the fixed frame 401 also needs to be longer, and the higher the position of the movable frame 404 is adjusted, the longer the polyimide film stays in the box 1, and thus increasing the transmission speed will not affect the drying effect. First, open the protective door 2 and surround the polyimide film with The hot air passes through a plurality of guide rollers and guide roller 3, and then the hot air blower 501 is started. The hot air generated by the hot air blower 501 enters the installation box 502, and then enters a plurality of air outlet pipes 503 respectively, and then blows downward to the surface of the polyimide film. Finally, the external winding device is started to start the automatic drying work, and the motor 2 507 is started at the same time. The motor 2 507 can drive the reciprocating screw rod 504 to rotate, and the driving plate 506 will move back and forth along the reciprocating screw rod 504 under the cooperation of the second limit rod 505 and the drive of the reciprocating screw rod 504. The driving plate 506 will drive the plurality of air outlet pipes 503 to swing back and forth while moving, thereby greatly increasing the air outlet area of ​​the air outlet pipe 503, so that all positions of the polyimide film can be dried.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A drying device for a polyimide film, comprising a housing (1), Features: A folding assembly (4) is installed inside the box body (1), and the folding assembly (4) comprises a fixed frame (401) fixedly connected to the bottom inner wall of the box body (1), one end of the bottom inner wall of the box body (1) is rotatably connected to a screw rod (402), the screw rod (402) is externally threadedly connected to a movable frame (404), one end of the movable frame (404) is slidably plugged with a first limit rod (405), one end of the first limit rod (405) is fixedly connected to the bottom inner wall of the box body (1), and multiple guide rollers are fixedly installed on the outer walls of the fixed frame (401) and the movable frame (404) that are close to each other, and the multiple guide rollers of the fixed frame (401) and the movable frame (404) are arranged in a staggered manner.

2. A drying device for polyimide film according to claim 1, Features: A motor 1 (403) is fixedly mounted on the outer wall of the bottom of the box body (1), and the output end of the motor 1 (403) is coaxially fixed with the screw rod (402).

3. A drying device for polyimide film according to claim 1, Features: The bottom of the inner walls at both ends of the box body (1) are rotatably connected to a same guide roller (3), and the guide roller (3) and the plurality of guide roller sleeves are provided with a same polyimide film.

4. A drying device for polyimide film according to claim 1, Features: A drying component (5) is installed inside the box body (1), and the drying component (5) is located at the top of the folding component (4).

5. A drying device for polyimide film according to claim 4, Features: The drying component (5) comprises a mounting box (502) fixedly connected to the inner wall of one side of the box body (1), a plurality of air outlet pipes (503) rotatably connected to the outer wall of one side of the mounting box (502), the plurality of air outlet pipes (503) are all connected to the interior of the mounting box (502), and the air outlets of the plurality of air outlet pipes (503) are arranged to face downward, and a hot air blower (501) is fixedly installed on the outer wall of one side of the box body (1), and the hot air blower (501) is connected to the interior of the mounting box (502).

6. A drying device for polyimide film according to claim 5, Features: The inner walls at both ends of the box body (1) are rotatably connected to a same reciprocating screw (504); a driving plate (506) is slidably sleeved outside the reciprocating screw (504); a slider matched to the reciprocating screw (504) is arranged inside the driving plate (506); a second limit rod (505) is slidably inserted in the driving plate (506); both ends of the second limit rod (505) are rotatably connected to the inner walls at both ends of the box body (1); the plurality of air outlet pipes (503) are all fitted with the driving plate (506); a second motor (507) is fixedly mounted on the outer wall at one end of the box body (1); the rotating shaft of the second motor (507) and the reciprocating screw (504) are coaxially fixed.

7. A drying device for polyimide film according to claim 1, Features: The outside of the box body (1) is rotatably connected to a protective door (2) via a hinge, and the position of the protective door (2) corresponds to that of the folding assembly (4).

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