CN115402830A

CN115402830A - Winding device for processing mica tape under dry process technology

Info

Publication number: CN115402830A
Application number: CN202210891898.0A
Authority: CN
Inventors: 吕佩; 蔡萍
Original assignee: Danyang Wodle Electrical Materials Co ltd
Current assignee: Danyang Wodle Electrical Materials Co ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2022-11-29

Abstract

The invention discloses a winding device for processing a mica tape under a dry process technology, which comprises a base, a rack and a support frame, wherein the rack and the support frame are connected to the top of the base, the rack is connected with a winding mechanism for winding the mica tape, the winding mechanism comprises a winding roller and a motor, the motor is used for driving the winding roller to rotate, a top plate is connected with a smoothing mechanism for smoothing the mica tape, the smoothing mechanism comprises a pressing plate, a lifting column, a lifting plate and a first spring, the first spring is used for driving the lifting plate to move towards the direction close to the winding roller, the support frame is connected with a cutting mechanism for cutting the mica tape, the cutting mechanism comprises an air cylinder, a cutting knife, a pressing plate and a conveying frame, and the lifting plate is connected with a switch mechanism for controlling the opening and closing of the air cylinder. The mica tape cutting device has the advantages that the mica tape is smoothed, the bubble products are avoided, the rolling quality is improved, meanwhile, the mica tape is automatically cut, manual operation is not needed, the follow-up continuous rolling is facilitated, and the operation is flexible and convenient.

Description

Winding device for processing mica tape under dry process technology

Technical Field

The invention relates to the technical field of mica tape processing, in particular to a winding device for processing a mica tape under a dry process technology.

Background

The mica tape is a fire-resistant insulating material and can be divided into the following components according to the application: mica tape for motor, cable divide into according to the structure: double-sided tape, single-sided tape, three-in-one tape, double-film tape, single-film tape and the like, which can be divided into: the synthetic mica tape, the golden mica tape and the white mica tape, and the mica tape for the fire-resistant safety cable are high-performance mica insulation products, and have excellent high-temperature resistance and combustion resistance. The manufacturing method of mica tape can be divided into a wet method and a dry method, wherein the wet method refers to the asphalt mica tape which is bonded by asphalt and has no drying process and volatile matter of more than 6 percent, the product and the manufacturing method are eliminated, the dry method refers to the mica tape material which is prepared by bonding a reinforcing material and flake mica (or mica paper) by an adhesive and baking, and the dry method is generally adopted in the current production variety. And the winding device is often used in mica tape processing production, so that the mica tape is wound, and subsequent carrying and transportation are facilitated.

When the existing winding device is used, the mica tape is wound on the winding roller, bubbles are generated, wrinkles easily occur, the subsequent use is influenced, meanwhile, the winding amount of the mica tape is not well controlled, the situation that the winding is more or less can occur, personnel are required to observe constantly, the mica tape is cut out timely, and the operation is time-consuming and labor-consuming.

Disclosure of Invention

The invention aims to provide a winding device for processing a mica tape under a dry process technology, which has the advantages of flattening the mica tape, avoiding products with bubbles, improving winding quality and realizing quantitative winding and quantitative cutting of the mica tape, and solves the problems that the mica tape is wound on a winding roller, bubbles are generated, wrinkles are easy to appear, subsequent use is influenced, meanwhile, the winding amount of the mica tape is not well controlled, the winding is more or less, personnel is required to observe constantly, timely cutting is needed, and the operation is time-consuming and labor-consuming.

In order to achieve the purpose, the invention provides the following technical scheme: a winding device for processing a mica tape under a dry process technology comprises a base, a rack and a support frame, wherein the rack and the support frame are connected to the top of the base, the rack is connected with a winding mechanism used for winding the mica tape, the winding mechanism comprises a winding roller and a motor, the motor is used for driving the winding roller to rotate, a top plate is fixed to the top of the support frame, the top plate is connected with a smoothing mechanism used for smoothing the mica tape, the smoothing mechanism comprises a pressing plate, a lifting column, a lifting plate and a first spring, two ends of the lifting column are respectively connected with the lifting plate and the pressing plate, the first spring is used for driving the lifting plate to move towards the direction close to the winding roller, the support frame is connected with a cutting mechanism used for cutting the mica tape, the cutting mechanism comprises an air cylinder, a cutting knife, a pressing plate and a conveying frame, the air cylinder is used for driving the cutting knife and the pressing plate to synchronously lift, the cutting knife, the pressing plate and the conveying frame are all in sliding connection, and the lifting plate is connected with a switch mechanism used for controlling the opening and closing of the air cylinder;

when the wind-up roll needs to be replaced, the pressing plate rises to a proper height, the switching mechanism is opened, the air cylinder is opened, and the cutting knife and the pressing plate are both pressed on the mica tape.

Preferably, winding mechanism still includes fixed interface, the locking head of relative setting, fixed interface swivelling joint in frame, the power take-off end and the fixed interface fixed connection of motor, the both ends of wind-up roll link to each other with two fixed interfaces respectively, the locking head is used for the wind-up roll location.

Preferably, the locking head is in threaded connection with the fixed interface, and when the winding roller is in a positioning state, one end of the locking head is pressed against the winding roller.

Preferably, the smoothing mechanism further comprises a spring seat, the spring seat is fixed to the lifting column, the first spring is sleeved on the lifting column, and two ends of the first spring are fixedly connected with the spring seat and the top plate respectively.

Preferably, the lifting column penetrates through the top plate, and the lifting column is connected with the top plate in a sliding mode.

Preferably, the cutting mechanism further comprises a piston rod, a fixed cylinder and a pressing rod, the cylinder is fixed at the top of the top plate, the power output end of the cylinder is connected with the piston rod, one end of the piston rod is fixedly connected with the top of the fixed cylinder, one end of the pressing rod is fixedly connected with the cutting knife and the pressing plate, the other end of the pressing rod is inserted into the fixed cylinder, an inner cavity is formed in the fixed cylinder, a second spring is arranged in the inner cavity, and the two ends of the second spring are respectively connected with the ends of the pressing rod and the inner cavity.

Preferably, the pressing rod is connected with the inner cavity in a sliding mode.

Preferably, the carriage is fixed in the support frame, and the carriage is provided with transfer passage, the bottom of cutting out sword, pressure strip all is located transfer passage, the carriage is connected with the tensioning roller that is used for the tensioning of mica tape, the tensioning roller is located transfer passage's business turn over, play end.

Preferably, the switch mechanism comprises four upright columns, a connecting seat, a conductive block and a conductive contact piece, the tops of the upright columns are fixedly connected with the connecting seat, the bottoms of the upright columns are connected with the top plate, the conductive block is fixed on the lifting plate, the conductive contact piece is connected with the connecting seat, when the pressing plate rises to a proper height, the conductive block is connected with the conductive contact piece, the two sides of the lifting plate are connected with movable blocks, and the movable blocks are connected with the upright columns in a sliding mode.

Preferably, the stand is connected with the positioning mechanism who is used for the movable block location, positioning mechanism includes reference column, handle, movable plate, spring three, the reference column is fixed in the tip of movable plate, and reference column and stand sliding connection, the movable plate links to each other with the one end stationary phase of reference column, spring three is used for driving the movable plate to remove to the direction that is close to the stand, the handle is fixed in the movable plate, the movable block seted up with reference column other end assorted constant head tank, when the conducting block links to each other with conductive contact, the reference column links to each other with the constant head tank.

Compared with the prior art, the invention has the following beneficial effects: the mica tape winding and flattening device is provided with a winding mechanism, a flattening mechanism and a cutting mechanism, wherein the winding mechanism comprises a winding roller, a motor, a fixed interface and a locking head, the flattening mechanism comprises a pressing plate, a lifting column, a lifting plate, a spring I and a spring seat, the cutting mechanism comprises an air cylinder, a cutting knife, a pressing plate, a conveying frame, a piston rod, a fixed cylinder and a pressing rod, the motor can drive the winding roller to rotate, so that the winding roller winds a mica tape, the pressing plate presses the winding roller to flatten the mica tape, bubble-free products are avoided, the winding quality is improved, the pressing plate can be jacked up along with the increase of the winding amount of the winding roller, namely, the lifting column and the lifting plate are synchronously lifted, when the lifting plate is lifted to a proper position, the winding roller presses the mica tape into a conveying channel, a circuit is conducted, the air cylinder is started to work, the pressing plate and the cutting knife synchronously descend, the cutting knife cuts the mica tape, manual operation is not needed, meanwhile, the pressing plate presses the mica tape into the conveying channel, the redundant winding tape in which is provided with the circuit conduction, the mica tape can be pulled to be connected with a new winding section, and the mica tape winding roller is convenient to continue to operate.

Drawings

FIG. 1 is a schematic view of the structure of the present invention; (wind-up roll just connected to the frame)

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a schematic view of the connection between the fixing cylinder and the pressing rod according to the present invention;

FIG. 4 is a schematic view of a carriage structure of the present invention;

FIG. 5 is a schematic view of a connection structure of a smoothing mechanism and a wind-up roll according to the present invention;

FIG. 6 is an enlarged view taken at A in FIG. 5;

FIG. 7 is a schematic view of a rolled-up state structure of the mica tape of the present invention.

In the figure: 1. a base; 2. a frame; 3. a support frame; 4. fixing the interface; 5. a locking head; 6. a wind-up roll; 7. a pressing plate; 8. a spring seat; 9. a first spring; 10. a top plate; 11. a lifting column; 12. a lifting plate; 13. moving the plate; 14. a column; 15. a conductive block; 16. a conductive contact; 17. a connecting seat; 18. a cylinder; 19. a piston rod; 20. a fixed cylinder; 21. a pressing lever; 22. a motor; 23. a cutting knife; 24. a compression plate; 25. a carriage; 26. a delivery channel; 27. a tension roller; 28. a smooth bevel; 29. a second spring; 30. an inner cavity; 31. a positioning column; 32. a handle; 33. a third spring; 34. a movable block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 7, the invention provides a winding device for processing a mica tape under a dry process technology, which comprises a base 1, a rack 2 and a support frame 3, wherein the rack 2 and the support frame 3 are connected to the top of the base 1, the support frame 3 and the rack 2 are arranged in a front-back manner, the rack 2 is connected with a winding mechanism for winding the mica tape, the winding mechanism comprises a winding roller 6 and a motor 22, the motor 22 is used for driving the winding roller 6 to rotate, a top plate 10 is fixed to the top of the support frame 3, and the support frame 3 is welded with the top plate 10, so that the stability of the top plate 10 can be improved. Roof 10 is connected with the mechanism of smoothing that is used for smoothing the mica tape, smooths the mechanism and includes pressing plate 7, lift post 11, lifter plate 12, spring 9, and lift post 11's both ends link to each other with lifter plate 12, pressing plate 7 respectively, and spring 9 is used for driving lifter plate 12 and removes to the direction that is close to wind-up roll 6, and when wind-up roll 6 just rolled up, spring 9 applyed decurrent pressure to pressing plate 7, makes pressing plate 7 better laminate in wind-up roll 6, and the bubble is driven out effectually. Support frame 3 is connected with the cutting mechanism that is used for the mica tape to tailor, and cutting mechanism includes cylinder 18, cuts out sword 23, pressure strip 24, carriage 25, and cylinder 18 is used for the drive to cut out sword 23, the synchronous lift of pressure strip 24, cuts out sword 23, pressure strip 24 and the equal sliding connection of carriage 25, can make and cut out sword 23, pressure strip 24 lift firm, and difficult skew squints, cuts out sword 23, pressure strip 24 simultaneously and can not break away from carriage 25. The lifter plate 12 is connected with a switch mechanism for controlling the opening and closing of the cylinder 18.

The motor 22 can drive the winding roller 6 to rotate, so that the winding roller 6 winds the mica tapes, the pressing plate 7 is pressed on the winding roller 6, the mica tapes are smoothed, products with bubbles are avoided, winding quality is improved, the pressing plate 7 can be jacked up along with increase of winding amount of the winding roller 6, namely, the lifting column 11 and the lifting plate 12 synchronously ascend, when the lifting plate 12 ascends to a proper position, the winding amount of the mica tapes by the winding roller 6 is proper, the conductive block 15 is connected with the conductive contact piece 16, namely, a circuit is conducted, the air cylinder 18 is started to work, the air cylinder 18 drives the pressing plate 24 and the cutting knife 23 to synchronously descend, the cutting knife 23 cuts the mica tapes without manual operation, meanwhile, the pressing plate 24 presses the mica tapes into the conveying channel 26, redundant mica tapes are arranged in the conveying channel 26, the mica tapes can be pulled to be connected with the new winding roller 6, subsequent winding is facilitated, and operation is convenient and flexible.

Winding mechanism still includes fixed interface 4, locking head 5 that relative setting, fixed interface 4 swivelling joint in frame 2, motor 22's power take-off end and fixed interface 4 fixed connection, and the both ends of wind-up roll 6 link to each other with two fixed interface 4 respectively, and fixed interface 4 can be inserted to the both ends of wind-up roll 6 promptly, conveniently to wind-up roll 6 dismouting, and locking head 5 is used for wind-up roll 6 location.

Locking head 5 links to each other with fixed interface 4 screw thread, and when wind-up roll 6 was in the location state, the one end of locking head 5 compressed tightly in wind-up roll 6, improved the stability that wind-up roll 6 and fixed interface 4 link to each other, has also guaranteed the steadiness of wind-up roll 6 when rotatory.

The smoothing mechanism further comprises a spring seat 8, the spring seat 8 is fixed on the lifting column 11, a first spring 9 is sleeved on the lifting column 11, two ends of the first spring 9 are respectively fixedly connected with the spring seat 8 and the top plate 10, when the rolling amount of the mica tape is gradually increased by the rolling roller 6, the diameter of the rolling roller 6 is gradually increased, the pressing plate 7 is moved upwards, the first spring 9 is further compressed, downward pressure is applied to the pressing plate 7 by the first spring 9, and the defoaming effect is good.

The lifting column 11 runs through in roof 10, and lifting column 11 and roof 10 sliding connection, and lifting column 11 is provided with two usually to it is firm to go up and down, avoids pressing the skew to appear when going up and down according to the clamp plate 7, presses the position unchangeable to the mica tape promptly, and presses the both ends of clamp plate 7 to be provided with smooth inclined plane 28, avoids when the rolling, causes the damage to the mica tape.

The cutting mechanism further comprises a piston rod 19, a fixed cylinder 20 and a pressing rod 21, the cylinder 18 is fixed to the top of the top plate 10, the power output end of the cylinder 18 is connected with the piston rod 19, one end of the piston rod 19 is fixedly connected with the top of the fixed cylinder 20, one end of the pressing rod 21 is fixedly connected with the cutting knife 23 and the pressing plate 24, the other end of the pressing rod 21 is inserted into the fixed cylinder 20, an inner cavity 30 is formed in the fixed cylinder 20, a second spring 29 is arranged in the inner cavity 30, and two ends of the second spring 29 are respectively connected with the ends of the pressing rod 21 and the inner cavity 30. When the mica tape is cut, the air cylinder 18 can drive the piston rod 19 to continue to extend, namely the spring II 29 is further compressed, the fixing cylinder 20 moves downwards, and at the moment, the pressing rod 21 is applied with a large pressure, namely the pressing plate 24 realizes good pressing and positioning of the mica tape, so that a good cutting environment is provided for the cutting knife 23, namely the cutting is more tidy and complete.

The pressing rod 21 is slidably connected with the inner cavity 30, so that the pressing rod 21 can be lifted stably.

The conveying frame 25 is fixed on the support frame 3, the conveying frame 25 is provided with a conveying channel 26, the bottoms of the cutting knife 23 and the pressing plate 24 are both located in the conveying channel 26, the conveying frame 25 is connected with a tensioning roller 27 used for tensioning the mica tapes, the tensioning roller 27 is located at the inlet end and the outlet end of the conveying channel 26, the two tensioning rollers 27 are fixedly connected with the conveying frame 25, and the mica tapes are obliquely arranged to be in an open state when being wound.

The switch mechanism comprises four upright posts 14, a connecting seat 17, a conductive block 15 and a conductive contact piece 16, wherein the top of each upright post 14 is fixedly connected with the connecting seat 17, the bottom of each upright post is connected with the top plate 10, the conductive block 15 is fixed on the lifting plate 12, the conductive contact piece 16 is connected with the connecting seat 17, when the pressing plate 7 rises to a proper height, the conductive block 15 is connected with the conductive contact piece 16, namely, a circuit is conducted, the air cylinder 18 is started to work, and mica tapes are positioned and cut. The two sides of the lifting plate 12 are connected with movable blocks 34, the movable blocks 34 are connected with the upright posts 14 in a sliding manner, when the lifting plate 12 ascends, the movable blocks 34 can be driven to ascend along the height direction of the upright posts 14, a further guiding effect is achieved on the lifting plate 12, and the pressing plate 7 is lifted stably.

The upright post 14 is connected with a positioning mechanism for positioning the movable block 34, the positioning mechanism comprises a positioning column 31, a handle 32, a movable plate 13 and a spring III 33, the positioning column 31 is fixed at the end part of the movable plate 13, the positioning column 31 is connected with the upright post 14 in a sliding manner, the movable plate 13 is fixedly connected with one end of the positioning column 31, the spring III 33 is used for driving the movable plate 13 to move towards the direction close to the upright post 14, the handle 32 is fixed on the movable plate 13, the movable block 34 is provided with a positioning groove matched with the other end of the positioning column 31, when the conductive block 15 is connected with the conductive contact piece 16, the positioning column 31 is connected with the positioning groove, so that the lifting plate 12 is positioned, namely, the pressing plate 7 does not apply pressure on the winding roller 6, a user can conveniently detach the winding roller 6 from the rack 2 and then install a new winding roller 6 (not winding the mica tape) on the rack 2, the cylinder 18 is operated to drive the piston rod 19 to shrink, so that the cutting knife 23 and the pressing plate 24 synchronously move upwards, the mica tape at the cut end part is connected with the new winding roller 6, the handle 32 is pulled so that the positioning column 31 is separated from the positioning groove, namely, the lifting plate 12 is in a loose state, the spring 9 is released, and the pressing plate 7 is connected with the new winding roller 6, so that the winding roller is convenient for continuously winding is connected with the winding roller.

The working principle is as follows: motor 22 can drive fixed interface 4 rotation, and wind-up roll 6 rotates promptly, carries out the rolling to the mica tape, and a 9 drive of spring is pressed according to pressing board 7 and is pressed in wind-up roll 6, realizes pacifying the mica tape, avoids the product of bubble, improves the rolling quality, along with the increase of the volume of wind-up roll 6 receipts, can be with pressing board 7 jack-up. The lifting column 11 rises, and the drive lifter plate 12 rises, and when the lifter plate 12 rose to suitable high position, the reference column 31 linked to each other with the constant head tank of movable block 34, and then realized fixing a position lifter plate 12, pressed plate 7 not applyed pressure to wind-up roll 6 promptly, and wind-up roll 6 was comparatively suitable to the mica tape rolling volume this moment. Meanwhile, the conductive block 15 is connected with the conductive contact piece 16, namely, the circuit is conducted, the air cylinder 18 is started to work, the air cylinder 18 drives the pressing plate 24 and the cutting knife 23 to descend synchronously, the cutting knife 23 cuts the mica tape without manual operation, the pressing plate 24 presses the mica tape into the conveying channel 26, and at the moment, redundant mica tape is arranged in the conveying channel 26. And then the locking head 5 is rotated to enable the winding roller 6 to be in a loose state, the winding roller 6 which is wound is detached from the rack 2, and a new winding roller 6 is mounted on the rack 2. The air cylinder 18 is operated to enable the pressing plate 24 and the cutting knife 23 to rise synchronously, the mica tapes at the cut end parts can be pulled to be connected with the new winding roller 6, subsequent winding is convenient to continue, and the operation is flexible and convenient.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a coiling mechanism is used in mica tape processing under dry process technology, includes base (1) and connects in frame (2), support frame (3) at base (1) top, its characterized in that: the mica tape winding machine is characterized in that the rack (2) is connected with a winding mechanism for winding a mica tape, the winding mechanism comprises a winding roller (6) and a motor (22), the motor (22) is used for driving the winding roller (6) to rotate, a top plate (10) is fixed to the top of the support frame (3), the top plate (10) is connected with a smoothing mechanism for smoothing the mica tape, the smoothing mechanism comprises a pressing plate (7), a lifting column (11), a lifting plate (12) and a first spring (9), two ends of the lifting column (11) are respectively connected with the lifting plate (12) and the pressing plate (7), the first spring (9) is used for driving the lifting plate (12) to move towards the direction close to the winding roller (6), the support frame (3) is connected with a cutting mechanism for cutting the mica tape, the cutting mechanism comprises an air cylinder (18), a cutting knife (23), a pressing plate (24) and a conveying frame (25), the air cylinder (18) is used for driving the cutting knife (23) and the pressing plate (24) to synchronously lift, the cutting knife (23), the pressing plate (24) is connected with the conveying frame (25), and the cutting mechanism is connected with a switch (18) in a sliding mode, and the lifting mechanism is used for controlling the opening and closing of the lifting plate (12);

when the winding roller (6) needs to be replaced, the pressing plate (7) rises to a proper height, the switch mechanism is started, the air cylinder (18) is started, and the cutting knife (23) and the pressing plate (24) are pressed on the mica tape.

2. The winding device for processing the mica tape by the dry method process as claimed in claim 1, wherein the winding mechanism further comprises a fixed interface (4) and a locking head (5) which are oppositely arranged, the fixed interface (4) is rotatably connected to the frame (2), the power output end of the motor (22) is fixedly connected with the fixed interface (4), two ends of the winding roller (6) are respectively connected with the two fixed interfaces (4), and the locking head (5) is used for positioning the winding roller (6).

3. The winding device for processing the mica tape by the dry method according to claim 2, wherein the locking head (5) is in threaded connection with the fixed interface (4), and when the winding roller (6) is in a positioning state, one end of the locking head (5) is pressed against the winding roller (6).

4. The winding device for processing the mica tape by the dry process as claimed in claim 1, wherein the smoothing mechanism further comprises a spring seat (8), the spring seat (8) is fixed on the lifting column (11), the first spring (9) is sleeved on the lifting column (11), and two ends of the first spring (9) are respectively and fixedly connected with the spring seat (8) and the top plate (10).

5. The winding device for processing the mica tape by the dry process as claimed in claim 4, wherein the lifting column (11) penetrates through the top plate (10), and the lifting column (11) is connected with the top plate (10) in a sliding manner.

6. The winding device for processing the mica tape under the dry process according to claim 1, wherein the cutting mechanism further comprises a piston rod (19), a fixed cylinder (20) and a pressing rod (21), the cylinder (18) is fixed on the top of the top plate (10), the power output end of the cylinder (18) is connected with the piston rod (19), one end of the piston rod (19) is fixedly connected with the top of the fixed cylinder (20), one end of the pressing rod (21) is fixedly connected with the cutting knife (23) and the pressing plate (24), the other end of the pressing rod is inserted into the fixed cylinder (20), an inner cavity (30) is arranged in the fixed cylinder (20), a second spring (29) is arranged in the inner cavity (30), and two ends of the second spring (29) are respectively connected with the ends of the pressing rod (21) and the inner cavity (30).

7. The winding device for processing the mica tape by the dry process as claimed in claim 6, wherein the pressing rod (21) is slidably connected with the inner cavity (30).

8. The winding device for processing the mica tape under the dry process according to claim 1, wherein the conveying frame (25) is fixed on the support frame (3), the conveying frame (25) is provided with a conveying channel (26), the cutting knife (23) and the bottom of the pressing plate (24) are both positioned in the conveying channel (26), the conveying frame (25) is connected with a tensioning roller (27) for tensioning the mica tape, and the tensioning roller (27) is positioned at the inlet end and the outlet end of the conveying channel (26).

9. The winding device for processing the mica tape by the dry process as claimed in claim 1, wherein the switching mechanism comprises four columns (14), a connecting seat (17), a conductive block (15) and a conductive contact piece (16), the top of each column (14) is fixedly connected with the connecting seat (17), the bottom of each column (14) is connected with the top plate (10), the conductive block (15) is fixed on the lifting plate (12), the conductive contact piece (16) is connected with the connecting seat (17), when the pressing plate (7) rises to a proper height, the conductive block (15) is connected with the conductive contact piece (16), the two sides of the lifting plate (12) are connected with movable blocks (34), and the movable blocks (34) are slidably connected with the columns (14).

10. The winding device for processing the mica tape by the dry process as claimed in claim 9, wherein the column (14) is connected with a positioning mechanism for positioning the movable block (34), the positioning mechanism comprises a positioning column (31), a handle (32), a movable plate (13) and a third spring (33), the positioning column (31) is fixed at an end of the movable plate (13), the positioning column (31) is slidably connected with the column (14), the movable plate (13) is fixedly connected with one end of the positioning column (31), the third spring (33) is used for driving the movable plate (13) to move towards a direction close to the column (14), the handle (32) is fixed on the movable plate (13), the movable block (34) is provided with a positioning groove matched with the other end of the positioning column (31), and when the conductive block (15) is connected with the conductive contact piece (16), the positioning column (31) is connected with the positioning groove.