CN113263714A

CN113263714A - One-way stretching polyimide film positioning structure

Info

Publication number: CN113263714A
Application number: CN202110340084.3A
Authority: CN
Inventors: 桑慎楚
Original assignee: Taihu Lianbang New Material Technology Co ltd
Current assignee: Taihu Lianbang New Material Technology Co ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-08-17
Anticipated expiration: 2041-03-30
Also published as: CN113263714B

Abstract

The invention discloses a positioning structure of a unidirectionally stretched polyimide film, relates to the technical field of polyimide films, and aims to solve the problems that fine adjustment cannot be performed according to the width of a polyimide film which is not used in the prior unidirectionally stretching process, operation is not easy, and the use efficiency is reduced. The base lower extreme is provided with the supporting leg that four equidistance distribute, the base upper end is provided with first slide and second slide, be provided with the bull stick between first slide and the second slide, bull stick and first slide and second slide swing joint, first spout has been seted up to the base upper end, first spout is located first slide and second slide rear, set up the second spout of symmetry in the first spout, be provided with the first slider of symmetry in the first spout, two first slider both sides are provided with the second slider of symmetry, four second slider and second spout sliding connection, two first slider upper end is provided with the third slide of symmetry.

Description

One-way stretching polyimide film positioning structure

Technical Field

The invention relates to the technical field of polyimide films, in particular to a positioning structure of a one-way stretching polyimide film.

Background

The polyimide film comprises a pyromellitic polyimide film and a biphenyl polyimide film, is yellow and transparent, and the preparation method of the film comprises the following steps: after the polyamic acid solution is cast into a film and stretched, the film is imidized at high temperature, is yellow and transparent, has the relative density of 1.39-1.45, has outstanding high temperature resistance, radiation resistance, chemical corrosion resistance and electrical insulation performance, can be used in air at 250-280 ℃ for a long time, has the vitrification temperature of more than 280 ℃, 385 ℃ and 500 ℃, has the tensile strength of 200MPa at 20 ℃ and more than 100MPa at 200 ℃, and is particularly suitable for being used as a flexible printed circuit board substrate and various high-temperature resistant motor and electrical appliance insulation materials.

With the important insulation function of the polyimide film in various circuit board substrates and high-temperature resistant motor and electric appliances, the production and preparation of the polyimide film are also important, and the unidirectional stretching is an important operation in the production process of the polyimide film, but the existing unidirectional stretching process cannot be finely adjusted according to the width of the polyimide film which is not used and is difficult to operate, so that the use efficiency is reduced.

Disclosure of Invention

The invention aims to provide a positioning structure of a unidirectionally stretched polyimide film, which aims to solve the problems that fine adjustment cannot be performed according to the width of the polyimide film which is not used in the unidirectionally stretching process, the operation is not easy, and the use efficiency is reduced in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an one-way stretch polyimide film location structure, includes the base, the base lower extreme is provided with the supporting leg that four equidistance distribute, the base upper end is provided with first slide and second slide, be provided with the bull stick between first slide and the second slide, bull stick and first slide and second slide swing joint, first spout has been seted up to the base upper end, first spout is located first slide and second slide rear, set up the second spout of symmetry in the first spout, be provided with the first slider of symmetry in the first spout, two first slider both sides are provided with the second slider of symmetry, four second slider and second spout sliding connection, two first slider upper end is provided with the third slide of symmetry, two third slide and first slider sliding connection.

Preferably, symmetrical first grooves are formed in the front ends of the first sliding plate and the second sliding plate, symmetrical second grooves are formed in the upper end and the lower end of each first groove, symmetrical movable rods are arranged on one side of the first sliding plate and one side of the second sliding plate, symmetrical movable baffles are arranged at the lower ends of the movable rods, and symmetrical fixing pieces are arranged in the movable baffles.

Preferably, a first fixed box is arranged on one side of the second sliding plate, a third sliding groove is formed between the first sliding plate and the second sliding plate, the first sliding plate and the second sliding plate are in sliding connection with the third sliding groove, symmetrical third sliding blocks are arranged at the lower ends of the first sliding plate and the second sliding plate through the third sliding groove, the third sliding blocks are in sliding connection with the third sliding groove, symmetrical air cylinders are arranged on one side of each third sliding block through a base, and control equipment is arranged at the lower ends of the air cylinders.

Preferably, the two sides of the rotating rod are provided with symmetrical movable blocks, the other side of the second sliding plate is provided with a rotating motor, symmetrical iron-attracting pastes are arranged on one sides of the rotating motor and the movable blocks, and the two iron-attracting pastes are mutually adsorbed.

Preferably, symmetrical fixing nuts are arranged in the two third sliding plates, symmetrical first connecting blocks are arranged on one side of each third sliding plate, symmetrical notches are formed in the two first connecting blocks, symmetrical limiting rings are arranged at the front ends of the notches, symmetrical first threaded rods are arranged at the front ends of the limiting rings, the first threaded rods are movably connected with the notches, symmetrical third grooves are formed in the limiting rings, symmetrical inserting rods are arranged at the front ends of the limiting rings, symmetrical first clamping blocks are arranged at the rear ends of the inserting rods through the third grooves, and the first clamping blocks are movably connected with the third grooves.

Preferably, four second connecting blocks are symmetrically arranged at the lower ends of the second sliding blocks, two symmetrical limiting connecting rods are arranged on one side of each second connecting block, the two limiting connecting rods are fixedly connected with the second connecting blocks, two symmetrical fourth grooves are formed in the two limiting connecting rods, two symmetrical second clamping blocks are arranged on one side of each limiting connecting rod, and the two second clamping blocks are located on one side of each fourth groove.

Preferably, symmetrical second clamping blocks are arranged in the two fourth grooves, symmetrical second threaded rods are arranged at the front ends of the two second clamping blocks, and symmetrical rotating handles are arranged at the front ends of the two second threaded rods.

Preferably, the lower end of the base is provided with symmetrical fixing plates.

Preferably, symmetrical fourth sliding grooves are formed in the two third sliding plates, symmetrical fourth sliding blocks are arranged at the upper ends of the two first sliding blocks through the second sliding plate, and the two fourth sliding blocks are connected with the fourth sliding grooves in a sliding mode.

Compared with the prior art, the invention has the beneficial effects that:

1. this unidirectional stretching polyimide film location structure, can be according to the polyimide film that does not carry out the adjusting position through first slide and the second slide that sets up, can play the effect of location simultaneously, the bull stick can follow through first recess and second recess according to different demands and trade, and the adjustable fender who sets up can play spacing effect, avoid the bull stick at the in-process from first recess and second recess roll-off that uses, play spacing effect, the third slide of setting can slide to the position of needs in first spout according to the polyimide film that does not equally, make the polyimide film book can obtain fine location.

2. This unidirectional stretching polyimide film location structure, the third spout that sets up can be convenient for first slide and second slide including outwards or inwards sliding, and first slide and second slide can move through the third slider under the promotion of cylinder, and the cylinder can operate under controlgear's control, and controlgear can carry out the width of the polyimide film book that the input needs under current detection equipment and set for to control operation.

3. This one-way stretch polyimide film location structure can drive the bull stick through the movable block that sets up, and play fixed effect, and rotating electrical machines arranges in first fixed box to it is rotatory and stretch the operation to drive the movable block under the control equipment control, and rotating electrical machines then pastes through inhaling the iron with the mutual fixed of movable block, and the positive negative pole's of iron that is utilized by inhaling the iron subsides looks absorption plays the drive effect, is convenient for simultaneously change and does not influence the use of equipment.

4. This one-way stretch polyimide film location structure, the notch through the first connecting block that sets up can be convenient for change different spacing collar, the spacing collar is connected more stably and is firm through first threaded rod and notch, and can change the spacing collar according to the needs of difference, and can follow the inserted bar that sets up and insert the fixed effect that plays the location in both sides of polyimide film, facilitate the use when ensuring stability, consequently can not influence the roll that polyimide film rolled up because the first fixture block of inserted bar and the mutual swing joint of third recess.

5. This one-way stretch polyimide film location structure, the second threaded rod can be rotatory under the effect of changeing the handle, this operation is convenient for control and operation more, and because the second fixture block that sets up and the swing joint of fourth recess, the operation of consequently being convenient for, the fixed plate is the support that the second threaded rod provided, the fourth spout can be convenient for the third slide according to the polyimide film roll up the height between the adjustment third slide and the second slider of different demands, it is spacing to carry out through fixation nut after the height has been adjusted.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a first cross-sectional view of the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention;

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

FIG. 5 is a schematic view of part A of the present invention.

In the figure: 1. a base; 2. supporting legs; 3. a first slide plate; 4. a second slide plate; 5. a rotating rod; 6. a first chute; 7. a second chute; 8. a first slider; 9. a second slider; 10. a third slide plate; 11. a first groove; 12. a second groove; 13. a movable rod; 14. a movable baffle; 15. a fixing member; 16. a first stationary box; 17. a third chute; 18. a third slider; 19. a cylinder; 20. a control device; 21. a movable block; 22. a rotating electric machine; 23. iron absorbing paste; 24. fixing a nut; 25. a first connection block; 26. a recess; 27. a limiting ring; 28. a first threaded rod; 29. a third groove; 30. inserting a rod; 31. a first clamping block; 32. a second connecting block; 33. a limit connecting rod; 34. a fourth groove; 35. a second fixture block; 36. a second threaded rod; 37. a fixing plate; 38. turning a handle; 39. a fourth chute; 40. and a fourth slider.

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.

Referring to fig. 1-5, an embodiment of the present invention is shown: the utility model provides a one-way stretch polyimide film location structure, the on-line screen storage device comprises a

base

1, 1 lower extreme of base is provided with four equidistance distribution's supporting

leg

2, 1 upper end of base is provided with first slide 3 and second slide 4, be provided with bull stick 5 between first slide 3 and the second slide 4, bull stick 5 and first slide 3 and second slide 4 swing joint, first spout 6 has been seted up to 1 upper end of base, first spout 6 is located first slide 3 and second slide 4 rear, set up the second spout 7 of symmetry in the first spout 6, be provided with the first slider 8 of symmetry in the first spout 6, two 8 sides of first slider are provided with the second slider 9 of symmetry, four

second slider

9 and 7 sliding connection of second spout, two 8 upper ends of first slider are provided with the third slide 10 of symmetry, two third slides 10 and 8 sliding connection of first slider.

Furthermore, symmetrical first grooves 11 are formed in the front ends of the first sliding plate 3 and the second sliding plate 4, symmetrical second grooves 12 are formed in the upper end and the lower end of each of the two first grooves 11, symmetrical movable rods 13 are arranged on one side of the first sliding plate 3 and one side of the second sliding plate 4, symmetrical movable baffles 14 are arranged at the lower ends of the two movable rods 13, symmetrical fixing parts 15 are arranged in the two movable baffles 14, the positions of the rotary rod 5 can be adjusted according to different requirements through the arranged first sliding plate 3 and the arranged second sliding plate 4 and can also play a role in positioning, the rotary rod 5 can be replaced through the first grooves 11 and the second grooves 12 according to different requirements, the arranged movable baffles 14 can play a role in limiting, the rotary rod 5 is prevented from sliding out of the first grooves 11 and the second grooves 12 in the using process and can play a role in limiting, the arranged third sliding plate 10 can also slide to a required position in the first sliding groove 6 according to different polyimide films, the polyimide film roll can be well positioned.

Further, a first fixed box 16 is arranged on one side of the second sliding plate 4, a third sliding slot 17 is arranged between the first sliding plate 3 and the second sliding plate 4, the first sliding plate 3 and the second sliding plate 4 are in sliding connection with the third sliding slot 17, symmetrical third sliding blocks 18 are arranged at the lower ends of the first sliding plate 3 and the second sliding plate 4 through the third sliding slot 17, the two third sliding blocks 18 are in sliding connection with the third sliding slot 17, symmetrical air cylinders 19 are arranged at one side of the two third sliding blocks 18 through the base 1, a control device 20 is arranged at the lower ends of the two air cylinders 19, the first sliding plate 3 and the second sliding plate 4 can conveniently slide inwards or outwards through the arranged third sliding slot 17, the first sliding plate 3 and the second sliding plate 4 can move through the third sliding blocks 18 under the pushing of the air cylinders 19, the air cylinders 19 can operate under the control of the control device 20, and the control device 20 can input the required width of the polyimide film roll to set under the existing detection device, thereby controlling the operation.

Furthermore, two sides of the rotating rod 5 are provided with symmetrical movable blocks 21, the other side of the second sliding plate 4 is provided with a rotating motor 22, one sides of the rotating motor 22 and the movable blocks 21 are provided with symmetrical iron-attracting pastes 23, the two iron-attracting pastes 23 are mutually adsorbed, the rotating rod 5 can be driven by the arranged movable blocks 21 and plays a role in fixing, the rotating motor 22 is arranged in the first fixing box 16 and is controlled by the control device 20 to drive the movable blocks 21 to rotate so as to carry out stretching operation, the mutual fixing of the rotating motor 22 and the movable blocks 21 is realized by the iron-attracting pastes 23, the iron-attracting pastes 23 play a role in driving by utilizing the adsorption of positive and negative poles of the iron, and the use of the device is not influenced by replacement.

Furthermore, symmetrical fixing nuts 24 are arranged in the two third sliding plates 10, symmetrical first connecting blocks 25 are arranged on one side of the two third sliding plates 10, symmetrical notches 26 are formed in the two first connecting blocks 25, symmetrical limiting rings 27 are arranged at the front ends of the two notches 26, symmetrical first threaded rods 28 are arranged at the front ends of the two limiting rings 27, the two first threaded rods 28 are movably connected with the notches 26, symmetrical third grooves 29 are formed in the two limiting rings 27, symmetrical inserting rods 30 are arranged at the front ends of the two limiting rings 27, symmetrical first clamping blocks 31 are arranged at the rear ends of the two inserting rods 30 through the third grooves 29, the two first clamping blocks 31 are movably connected with the third grooves 29, different limiting rings 27 can be conveniently replaced through the notches 26 of the arranged first connecting blocks 25, and the limiting rings 27 are more stably and stably connected with the notches 26 through the first threaded rods 28, and can change spacing collar 27 according to the needs of difference, and can follow the both sides of polyimide film and pierce into the fixed effect that plays the location through the inserted bar 30 that sets up, facilitate the use when guaranteeing stability, consequently can not influence the roll of polyimide film book because the first fixture block 31 of inserted bar 30 and the mutual swing joint of third recess 29.

Further, the lower ends of the four second sliding blocks 9 are provided with symmetrical second connecting blocks 32, two sides of each second connecting block 32 are provided with symmetrical limiting connecting rods 33, the two limiting connecting rods 33 are fixedly connected with the second connecting blocks 32, symmetrical fourth grooves 34 are formed in the two limiting connecting rods 33, symmetrical second clamping blocks 35 are formed in one sides of the two limiting connecting rods 33, the two second clamping blocks 35 are located on one side of the fourth grooves 34, and the second connecting blocks 32 are convenient to drive the third sliding plate 10 to slide inwards or outwards under external power.

Furthermore, symmetrical second clamping blocks 35 are arranged in the two fourth grooves 34, symmetrical second threaded rods 36 are arranged at the front ends of the two second clamping blocks 35, symmetrical rotating handles 38 are arranged at the front ends of the two second threaded rods 36, the second threaded rods 36 can rotate under the action of the rotating handles 38, and therefore the operation is more convenient to control and operate, and the operation is convenient due to the movable connection of the second clamping blocks 35 and the fourth grooves 34.

Further, the lower end of the base 1 is provided with a symmetrical fixing plate 37, and the fixing plate 37 can provide a supporting function for the second threaded rod 36.

Further, set up the fourth spout 39 of symmetry in two third slides 10, two 8 upper ends of first slider are provided with the fourth slider 40 of symmetry through third slide 10, two fourth sliders 40 and fourth spout 39 sliding connection, can be convenient for the third slide 10 according to the height between the adjustment third slide 10 and the second slider 9 of the different demands of polyimide film book through the fourth spout 39 that sets up, can carry on spacingly through fixation nut 24 after adjusting highly.

The working principle is as follows: when the device is used, firstly, the control device 20 is connected with the master control in advance, a polyimide film roll needing to be stretched is placed between the two third sliding plates 10, after the corresponding limiting ring 27 is connected and fixed with the first connecting block 25 through the first threaded rod 28 according to the requirement of the polyimide film roll in advance, the second threaded rods 36 on the two sides push the second connecting block 32 through rotating the rotating handle 38, the third sliding plates 10 are pushed to move in the middle until the two sides of the inserting rod 30 are clamped into the polyimide film roll, the limiting ring 27 is contacted with the polyimide film roll, at the moment, the master control is input according to the width of the polyimide film roll, data is transmitted to the control device 20, the control device 20 controls the air cylinder 19, the air cylinder 19 pushes the third sliding block 18 inwards according to instructions until the first sliding plate 3 and the second sliding plate 4 reach a specified distance, the distance between the first sliding plate 3 and the second sliding plate 4 is the same as the distance between the third sliding plate 10 and the third sliding plate 10, and the position of the central point is the same, the corresponding rotating rod 5 is respectively clamped into the first groove 11 and the second groove 12 through the movable blocks 21 on the two sides, the movable baffle 14 is buckled downwards and fixed through the fixing part 15, at this time, the beginning part of the polyimide film roll is pulled onto the rotating rod 5, the rotating motor 22 is driven to rotate by a power supply to carry out stretching operation, the speed of the rotating motor 22 is adjusted and controlled according to different requirements, if the position of the polyimide film roll is required to be lifted, the third sliding plate 10 can be pulled upwards, the height can be adjusted, the polyimide film roll can be limited through the fixing nut 24, the polyimide film roll is formed by rolling after the polyamide solution casting film, then the stretching operation is carried out, the operation flow can be optimized by the positioning structure, meanwhile, the operation is convenient, the production efficiency is improved, and the structure is more flexible.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a uniaxial tension polyimide film location structure, includes base (1), its characterized in that: the lower end of the base (1) is provided with four supporting legs (2) distributed at equal intervals, the upper end of the base (1) is provided with a first sliding plate (3) and a second sliding plate (4), a rotating rod (5) is arranged between the first sliding plate (3) and the second sliding plate (4), the rotating rod (5) is movably connected with the first sliding plate (3) and the second sliding plate (4), the upper end of the base (1) is provided with a first sliding chute (6), the first sliding chute (6) is positioned behind the first sliding plate (3) and the second sliding plate (4), a symmetrical second sliding chute (7) is arranged in the first sliding chute (6), symmetrical first sliding blocks (8) are arranged in the first sliding chute (6), symmetrical second sliding blocks (9) are arranged on two sides of the first sliding blocks (8), and the four second sliding blocks (9) are slidably connected with the second sliding chute (7), and symmetrical third sliding plates (10) are arranged at the upper ends of the two first sliding blocks (8), and the two third sliding plates (10) are in sliding connection with the first sliding blocks (8).

2. The uniaxially stretched polyimide film positioning structure according to claim 1, wherein: first recess (11), two of symmetry are seted up to first slide (3) and second slide (4) front end second recess (12) of symmetry are seted up at both ends about first recess (11), first slide (3) and second slide (4) one side are provided with movable rod (13) of symmetry, two movable rod (13) lower extreme is provided with adjustable fender (14) of symmetry, two be provided with symmetrical mounting (15) in adjustable fender (14).

3. The uniaxially stretched polyimide film positioning structure according to claim 1, wherein: second slide (4) one side is provided with first fixed box (16), third spout (17) have been seted up between first slide (3) and second slide (4), first slide (3) and second slide (4) are sliding connection with third spout (17), first slide (3) and second slide (4) lower extreme are provided with symmetrical third slider (18), two through third spout (17) third slider (18) and third spout (17) sliding connection, two third slider (18) one side is provided with symmetrical cylinder (19) through base (1), two cylinder (19) lower extreme is provided with controlgear (20).

4. The uniaxially stretched polyimide film positioning structure according to claim 1, wherein: the utility model discloses a swing rod, including bull stick (5), runner bar (5) both sides are provided with the movable block (21) of symmetry, second slide (4) opposite side is provided with rotating electrical machines (22), rotating electrical machines (22) and movable block (21) one side are provided with the iron that inhales of symmetry and paste (23), two inhale iron and paste (23) and adsorb each other.

5. The uniaxially stretched polyimide film positioning structure according to claim 1, wherein: two be provided with symmetrical fixation nut (24) in third slide (10), two third slide (10) one side is provided with symmetrical first connecting block (25), two set up symmetrical notch (26) in first connecting block (25), two notch (26) front end is provided with symmetrical spacing collar (27), two spacing collar (27) front end is provided with symmetrical first threaded rod (28), two first threaded rod (28) and notch (26) swing joint, two set up symmetrical third recess (29) in spacing collar (27), two spacing collar (27) front end is provided with symmetrical inserted bar (30), two inserted bar (30) rear end is provided with symmetrical first fixture block (31) through third recess (29), two first fixture block (31) and third recess (29) swing joint.

6. The uniaxially stretched polyimide film positioning structure according to claim 1, wherein: four second connecting block (32), two of symmetry are provided with to second slider (9) lower extreme second connecting block (32) one side is provided with symmetrical limit connecting rod (33), two limit connecting rod (33) and second connecting block (32) fixed connection, two set up symmetrical fourth recess (34) in limit connecting rod (33), two symmetrical second fixture block (35) are seted up to limit connecting rod (33) one side, two second fixture block (35) are located fourth recess (34) one side.

7. The uniaxially stretched polyimide film positioning structure according to claim 6, wherein: symmetrical second clamping blocks (35) are arranged in the two fourth grooves (34), symmetrical second threaded rods (36) are arranged at the front ends of the two second clamping blocks (35), and symmetrical rotating handles (38) are arranged at the front ends of the two second threaded rods (36).

8. The uniaxially stretched polyimide film positioning structure according to claim 1, wherein: the lower end of the base (1) is provided with symmetrical fixing plates (37).

9. The uniaxially stretched polyimide film positioning structure according to claim 1, wherein: symmetrical fourth sliding grooves (39) are formed in the two third sliding plates (10), symmetrical fourth sliding blocks (40) are arranged at the upper ends of the first sliding blocks (8) through the second sliding plates (10), and the four sliding blocks (40) are connected with the fourth sliding grooves (39) in a sliding mode.