Polyimide film winding device

Abstract

The utility model belongs to the technical field of film winding devices, and discloses a polyimide film winding device which comprises an installation frame, a winding roller and a power mechanism used for driving the winding roller to rotate are rotationally arranged on the installation frame, and an air pump is fixedly arranged on the installation frame. An opening is formed in the winding roller, an external connection hole, a communicating hole, an annular cavity and two arc-shaped cavities are sequentially formed in the winding roller, the air pump communicates with the external connection hole through the rotating joint, the external connection hole communicates with the two arc-shaped cavities through the communicating hole and the annular cavity in sequence, and a plurality of mounting grooves are further formed in the winding roller; the multiple mounting grooves are distributed in the two sides of the opening and communicate with the two arc-shaped cavities correspondingly, a telescopic part is arranged in each mounting groove, and the telescopic parts distributed in the length direction of the winding roller and the corresponding strip-shaped plates are fixedly arranged; according to the polyimide film winding device, through cooperation of the air pump, the telescopic piece, the strip-shaped plate and the like, a polyimide film can be conveniently separated from the winding roller.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of film winding device, concretely is a kind of polyimide film winding device. BACKGROUND

[0002] In the process of polyimide film production, it needs to be wound by winding device, and the conventional winding device needs to be set on the winding roll during use Corresponding adjusting mechanism drives outer support frame to move outward and expand, and when polyimide film needs to be separated from the winding roll, the adjusting mechanism needs to be operated, so that the above-mentioned mode makes the polyimide film and the winding roll separate not enough convenient. INVENTION CONTENTS

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a kind of polyimide film winding device, effectively solve the problem that conventional winding device makes polyimide film and winding roll separate not enough convenient.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of polyimide film winding device, including installation frame, rotatingly arranged winding roll and the power mechanism for driving winding roll rotation on installation frame, the power mechanism is fixedly arranged on installation frame;Open is formed on winding roll, and the outer connection hole, the communication hole, the annular cavity and the two arc-shaped cavities are sequentially formed in the inside of winding roll, wherein the power mechanism is communicated with the outer connection hole by swivel joint, the outer connection hole is sequentially communicated with the two arc-shaped cavities by communication hole and annular cavity, and a plurality of installation grooves are further provided in the inside of winding roll, the plurality of installation grooves are distributed on the two sides of opening and are communicated with the two arc-shaped cavities respectively, and the inside of each installation groove is provided with telescopic piece, and the telescopic piece distributed along the length direction of winding roll is fixedly arranged with corresponding strip plate.

[0005] Preferably, the power mechanism includes a power motor and a driving gear, wherein the power motor is fixedly arranged on the installation frame, the driving gear is fixedly arranged on the output shaft of the power motor, and a driven gear is fixedly arranged on the winding roll and engaged with the driving gear.

[0006] Preferably, the telescopic piece includes a sliding column, a connecting rod and a return spring, wherein the sliding column is slidingly and sealingly arranged in the installation groove, the sliding column is fixedly arranged with the strip plate through the connecting rod, the return spring is wound on the connecting rod, and the return spring is located between the sliding column and the strip plate.

[0007] Preferably, a plurality of positioning grooves are formed on one side of the opening, a moving groove and an inner groove are formed on the other side of the opening, wherein the moving groove is communicated with the corresponding arc-shaped cavity through the inner groove, the inside of the moving groove is slidingly provided with a positioning plate, the inside of the inner groove is provided with an elastic piece, and the elastic piece is fixedly arranged with the positioning plate.

[0008] Preferably, the elastic member comprises a piston plate, a connecting block and a supporting spring; the piston plate is slidingly and sealingly arranged in the inner recess, the piston plate is fixedly arranged on the positioning plate through the connecting block, and the supporting spring is arranged around the connecting block and between the piston plate and the positioning plate.

[0009] Preferably, a plurality of positioning blocks are formed on the positioning plate, and the positioning blocks are in concave-convex cooperation with the corresponding positioning grooves.

[0010] Preferably, a cutting knife is further fixedly arranged on the positioning plate, and the cutting knife is located outside the positioning blocks and is used in cooperation with the corresponding positioning grooves.

[0011] Compared with the prior art, the polyimide film winding device has the following beneficial effects:

[0012] 1. In work, through cooperation of the air pump, the telescopic member and the strip-shaped plate, the strip-shaped plate can be extended by air pressure during use, so as to wind the polyimide film, and when the polyimide film needs to be separated from the winding roller, the strip-shaped plate can be separated from the inner circle of the wound polyimide film by reducing the air pressure, which is more convenient.

[0013] 2. In work, through cooperation of the positioning plate and the elastic member, the positioning plate can be fixed to the polyimide film by air pressure, and the cutting knife on the positioning plate can cut the polyimide film during butt joint, which is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, illustrate the present application and explain the principles of the present application, and do not constitute a limitation of the present application.

[0015] In the drawings:

[0016] Figure 1 It is a polyimide film winding device structure schematic view of the present application;

[0017] Figure 2 It is a polyimide film winding device structure schematic view of the present application;

[0018] Figure 3 It is a winding roller transverse sectional structure schematic view of the present application;

[0019] Figure 4 It is a winding roller longitudinal sectional structure schematic view of the present application;

[0020] Figure 5 It is a positioning plate structure schematic view of the present application.

[0021] Fig. 1, mounting frame; 2, winding roller; 3, air pump; 4, opening; 5, external hole; 6, communication hole; 7, annular cavity; 8, arc cavity; 9, mounting groove; 10, strip plate; 11, power motor; 12, driving gear; 13, driven gear; 14, sliding column; 15, connecting rod; 16, return spring; 17, positioning groove; 18, moving groove; 19, inner recess; 20, positioning plate; 21, piston plate; 22, connecting block; 23, supporting spring; 24, positioning block; 25, cutting knife. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0023] By Figures 1-5 The present application relates to a kind of polyimide film winding device, including mounting frame 1, mounting frame 1 is rotationally arranged with winding roller 2 and the power mechanism for driving winding roller 2 rotation, air pump 3 is fixedly arranged on mounting frame 1;Opening 4 is formed on winding roller 2, the inside of winding roller 2 is sequentially formed with external hole 5, communication hole 6, annular cavity 7 and two arc cavities 8, wherein air pump 3 is communicated with external hole 5 by swivel joint, external hole 5 is sequentially communicated with communication hole 6, annular cavity 7 and two arc cavities 8, and the inside of winding roller 2 is also provided with multiple mounting grooves 9, multiple mounting grooves 9 are distributed at the two sides of opening 4 and are communicated with two arc cavities 8 respectively, and the inside of each mounting groove 9 is provided with expansion piece, and expansion piece distributed along the length direction of winding roller 2 is fixedly arranged with corresponding strip plate 10;

[0024] In this way, when polyimide film is wound, first, air outside is pumped into by air pump 3, then sequentially enters the inside of mounting groove 9 through external hole 5, communication hole 6, annular cavity 7 and two arc cavities 8 respectively, under the action of air pressure, expansion piece drives corresponding strip plate 10 to move to the outside direction of winding roller 2, wherein an electromagnetic valve can be arranged on the area between air pump 3 and external hole 5, so as to close electromagnetic valve after inflation is completed, so that air pressure remains high pressure state;Then one end of film to be wound is placed in opening 4 on winding roller 2, then the film is wound and fixed on winding roller 2;Finally, winding roller 2 is driven to rotate by power mechanism, so that polyimide film is wound by winding roller 2.

[0025] Specific, the power mechanism includes power motor 11 and driving gear 12, wherein the power motor 11 is fixedly arranged on the mounting frame 1, the driving gear 12 is fixedly arranged on the output shaft of the power motor 11, the winding roller 2 is fixedly arranged with the driven gear 13, the driven gear 13 is engaged with the driving gear 12; in this way, the driving gear 12 is driven to rotate by the power motor 11, the winding roller 2 is driven to rotate by the driven gear 13, and the winding roller 2 is driven.

[0026] Specific, the telescopic part includes slide column 14, connecting rod 15 and reset spring 16; wherein the slide column 14 is slidingly and sealingly arranged in the mounting groove 9, the slide column 14 is fixedly arranged with the strip-shaped plate 10 through the connecting rod 15, the reset spring 16 is wound on the connecting rod 15, and the reset spring 16 is located between the slide column 14 and the strip-shaped plate 10; in this way, when the air pressure is high, the slide column 14 drives the strip-shaped plate 10 to move outwards under the action of the pressure through the connecting rod 15, and the reset spring 16 is extruded, and when the air pressure is low, the slide column 14 drives the strip-shaped plate 10 to move inwards under the action of the reset spring 16 through the connecting rod 15.

[0027] Further, a plurality of positioning grooves 17 are formed on one side of the opening 4, a moving groove 18 and an inner recess 19 are formed on the other side of the opening 4, the moving groove 18 is communicated with the corresponding arc-shaped cavity 8 through the inner recess 19, the positioning plate 20 is slidingly arranged in the moving groove 18, the elastic part is arranged in the inner recess 19, and the elastic part is fixedly arranged with the positioning plate 20.

[0028] In this way, when in use, the elastic part drives the positioning plate 20 to move under the action of high air pressure, and the polyimide film is fixed by the positioning plate 20.

[0029] Specific, the elastic part includes piston plate 21, connecting block 22 and supporting spring 23; wherein the piston plate 21 is slidingly and sealingly arranged in the inner recess 19, the piston plate 21 is fixedly arranged with the positioning plate 20 through the connecting block 22, the supporting spring 23 is wound on the connecting block 22, and the supporting spring 23 is located between the piston plate 21 and the positioning plate 20; in this way, the piston plate 21 drives the positioning plate 20 to move outwards under the action of high air pressure through the connecting block 22, and the supporting spring 23 is extruded, and the piston plate 21 drives the positioning plate 20 to move inwards under the action of the supporting spring 23 when the air pressure is low through the connecting block 22.

[0030] Specific, a plurality of positioning blocks 24 are formed on the positioning plate 20, and the positioning blocks 24 are in concave-convex cooperation with the corresponding positioning grooves 17; in this way, the fixing track of the polyimide film is a curved track through the cooperation of the positioning blocks 24 and the positioning grooves 17, so that the fixing effect of the polyimide film is further improved.

[0031] Specifically, the positioning plate 20 is further provided with a cutting knife 25 located outside the positioning block 24 and matched with the corresponding positioning groove 17; in this way, when the positioning plate 20 is connected with the positioning groove 17, the polyimide film can be cut by the cutting knife 25, so that the excess part can be removed.

Claims

1. A polyimide film winding device comprising a mounting frame (1), a winding roller (2) being rotatably arranged on the mounting frame (1), and a power mechanism for driving the winding roller (2) to rotate, characterized in that, The installation frame (1) is provided with a gas pump (3); the winding roller (2) is provided with an opening (4); the inside of the winding roller (2) is sequentially provided with an external hole (5), a communication hole (6), an annular cavity (7) and two arc cavities (8); the gas pump (3) is communicated with the external hole (5) through a rotary joint; the external hole (5) is sequentially communicated with the communication hole (6), the annular cavity (7) and the two arc cavities (8); the inside of the winding roller (2) is further provided with a plurality of installation grooves (9); the installation grooves (9) are distributed on both sides of the opening (4) and are communicated with the two arc cavities (8) respectively; the inside of each installation groove (9) is provided with an expansion piece; the expansion pieces distributed along the length direction of the winding roller (2) are fixedly provided with corresponding strip plates (10).

2. The polyimide film winding device according to claim 1, wherein: The power mechanism comprises a power motor (11) and a driving gear (12); the power motor (11) is fixedly arranged on the installation frame (1); the driving gear (12) is fixedly arranged on the output shaft of the power motor (11); the winding roller (2) is fixedly provided with a driven gear (13); the driven gear (13) is engaged with the driving gear (12).

3. The polyimide film winding device according to claim 1, wherein: The expansion piece comprises a sliding column (14), a connecting rod (15) and a reset spring (16); the sliding column (14) is slidingly and sealingly arranged in the installation groove (9); the sliding column (14) is fixedly arranged with the strip plate (10) through the connecting rod (15); the reset spring (16) is wound on the connecting rod (15) and is located between the sliding column (14) and the strip plate (10).

4. The polyimide film winding device according to claim 1, wherein: One side of the opening (4) is provided with a plurality of positioning grooves (17); the other side of the opening (4) is provided with a moving groove (18) and an inner groove (19); the moving groove (18) is communicated with the corresponding arc cavity (8) through the inner groove (19); the inside of the moving groove (18) is slidingly provided with a positioning plate (20); the inside of the inner groove (19) is provided with an elastic piece; the elastic piece is fixedly arranged with the positioning plate (20).

5. The polyimide film winding device according to claim 4, wherein: The elastic piece comprises a piston plate (21), a connecting block (22) and a supporting spring (23); the piston plate (21) is slidingly and sealingly arranged in the inside of the inner groove (19); the piston plate (21) is fixedly arranged with the positioning plate (20) through the connecting block (22); the supporting spring (23) is wound on the connecting block (22) and is located between the piston plate (21) and the positioning plate (20).

6. The polyimide film winding device according to claim 5, wherein: The positioning plate (20) is provided with a plurality of positioning blocks (24); the positioning blocks (24) are matched with the corresponding positioning grooves (17).

7. The polyimide film winding device according to claim 6, wherein: The positioning plate (20) is further fixedly provided with a cutting knife (25); the cutting knife (25) is located outside the positioning blocks (24) and is matched with the corresponding positioning grooves (17).

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