CN116330627B

CN116330627B - Be used for polyimide film stretcher operation track bearing structure

Info

Publication number: CN116330627B
Application number: CN202310613128.4A
Authority: CN
Inventors: 白建恭
Original assignee: Tianjin Tian Yuan Electrical Materials Co ltd
Current assignee: Tianjin Tian Yuan Electrical Materials Co ltd
Priority date: 2023-05-29
Filing date: 2023-05-29
Publication date: 2023-08-01
Anticipated expiration: 2043-05-29
Also published as: CN116330627A

Abstract

The utility model belongs to the technical field of film stretching equipment and specifically relates to a supporting structure for polyimide film stretcher operation track, including the chain and be used for carrying out the supporting component who supports to the chain, supporting component includes the backup pad, the upper surface level of backup pad, backup pad upper surface is spaced apart downwards and is equipped with a plurality of mounting grooves, mounting groove internally mounted has the bearing, the highest point height of bearing is higher than backup pad upper surface height and with the lower surface looks butt of chain, the central axis of bearing is mutually perpendicular with the direction of transmission of top chain, the life of extension bearing has been reached, the effect that messenger polyimide film can normal production.

Description

Be used for polyimide film stretcher operation track bearing structure

Technical Field

The application relates to the field of film stretching equipment, in particular to a running rail supporting structure for a polyimide film stretching machine.

Background

The polyimide film is a high polymer material with excellent performances such as high strength, high toughness, wear resistance, high temperature resistance, corrosion resistance and the like, is a main insulating material for manufacturing various medium-high grade electrical and electronic components, and is widely used in the electrical and electronic industry.

The Chinese patent with the bulletin number of CN213386229U discloses a chain support frame for a polyimide film stretcher running rail, which comprises a shell, wherein a protection cavity is formed in the shell, a bearing hole is formed in the bottom of the shell, the protection cavity is communicated with the outside through the bearing hole, a high-temperature bearing is arranged in the protection cavity, the edge of the high-temperature bearing can penetrate through the bearing hole to be arranged outside the shell, the shell comprises a fixing sheet and side sheets which vertically downwards extend from two sides of the fixing sheet, long holes are formed in each side sheet, the length direction of each long hole is arranged along the vertical direction, a pin shaft penetrates through the long holes of the two side sheets, the pin shaft can move along the vertical direction in the long holes, and the high-temperature bearing is sleeved on the pin shaft.

The prior art solutions described above have the following drawbacks: in order to fully stretch the polyimide film, the inside of the stretcher usually keeps a high temperature of about 400 ℃, and the temperature outside the stretcher is far lower than the temperature inside the stretcher, so that the high-temperature-resistant bearing can be continuously switched between high temperature and low temperature, the service life of the high-temperature-resistant bearing is shortened, and the production progress of the polyimide film is finally influenced.

Disclosure of Invention

In order to prolong the service life of the bearing, the polyimide film can be normally produced, and the running rail supporting structure for the polyimide film stretcher is provided.

The technical aim of the application is achieved through the following technical scheme:

the utility model provides a be used for polyimide film stretcher operation track bearing structure, includes the chain and is used for carrying out the supporting component who supports the chain, and the supporting component includes the backup pad, and the upper surface level of backup pad, backup pad upper surface are equipped with a plurality of mounting grooves downwards spaced apart, and mounting groove internally mounted has the bearing, and the highest point height of bearing is higher than backup pad upper surface height and with the lower surface looks butt of chain, and the central axis of bearing is mutually perpendicular with the direction of transmission of top chain.

By adopting the scheme, the bearing is arranged in the mounting groove, the highest point of the bearing is positioned above the upper surface of the supporting plate and is abutted against the lower surface of the chain, and the bearing can support the chain; meanwhile, in the running process of the stretcher, the chain can drive the outer ring of the bearing to rotate, and because the bearing can not reciprocate inside and outside the stretcher along with the chain, the bearing can not rotate back and forth between high temperature and low temperature, so that the service life of the bearing can be ensured, and the polyimide film can be normally produced and processed.

Preferably, the center of the bearing is penetrated with a mounting rod, the mounting rod is fixedly connected with the inner ring of the bearing, the mounting rod is embedded into the support plate on the lower surface of the support plate, a locking plate for locking the mounting rod in the support plate is arranged on the support plate, and the locking plate is detachably connected with the support plate.

Preferably, a fixed ring is arranged below the supporting plate, a vertical supporting shaft which is abutted against the lower surface of the supporting plate is arranged inside the fixed ring, and the supporting shaft is in threaded connection with the fixed ring.

Preferably, the chain is provided with a stretching assembly, the stretching assembly comprises a fixing seat arranged on an inner chain link of the chain, an auxiliary rod is arranged at a position, close to an outer ring of the chain, on the fixing seat, and a stretching head for stretching the polyimide film is sleeved on the auxiliary rod.

Preferably, the stretching head is rotationally connected with the auxiliary rod, and an elastic piece for driving the stretching head to rotate towards the direction close to the inner ring of the chain is arranged between the stretching head and the fixing seat.

Preferably, the top end of the stretching head has a columnar structure with a gradually enlarged sectional area from top to bottom.

Preferably, the fixing base is detachably connected with the chain link.

Preferably, two ends of the mounting rod are provided with a clamping groove in a direction close to the center of the mounting rod.

Preferably, the below of backup pad is provided with crisscross mounting bracket and drives the mounting bracket around a vertical axis pivoted driving motor, and four ends on the mounting bracket are equal apart from the distance of mounting groove, all are provided with the bearing on every end of mounting bracket, are provided with on the mounting bracket with the bearing jack-up to the mounting groove inside and compress tightly the bearing at the inside jacking subassembly of mounting groove.

Preferably, the jacking assembly comprises a jacking cylinder arranged below the mounting frame, a piston rod end of the jacking cylinder upwards penetrates through the mounting frame and is provided with a supporting ring, the center of the bearing is provided with a mounting rod in a penetrating mode, and the supporting ring is sleeved on the mounting rod at two sides of the bearing.

In summary, the present application has the following technical effects:

1. the bearing which can support the chain and is fixed at the installation position on the stretcher is arranged, the bearing cannot rotate between high temperature and low temperature, and the temperature of the bearing is in an approximately constant state, so that the service life of the bearing can be prolonged, and the effect that the polyimide film can be normally produced is ensured;

2. by arranging the locking plate which is detachably connected with the supporting plate, the bearing can still be damaged finally along with the longer service time of the bearing, and the locking plate is detachably connected with the supporting plate, so that the bearing on the supporting plate can be conveniently replaced by people;

3. through having set up mounting bracket, driving motor and jacking subassembly, when the bearing in the backup pad appears damaging, mounting bracket, driving motor and jacking subassembly mutually support, can realize that the stretcher is not shut down and change the bearing, can reduce like this because the stretcher is shut down and lead to polyimide film production to receive the influence.

Drawings

FIG. 1 is a partial schematic view of a track support structure in an embodiment of the present application;

FIG. 2 is a partial view highlighting a bearing mounting structure according to an embodiment of the present application;

fig. 3 is a partial view of a bearing in a second embodiment of the present application.

In the figure, 1, a chain; 2. a support assembly; 21. a support plate; 211. a mounting groove; 212. a fixing ring; 213. a support shaft; 214. a tightening block; 22. a bearing; 23. a mounting rod; 231. a clamping groove; 24. a locking plate; 25. a locking bolt; 4. a mounting frame; 41. a driving motor; 5. a jacking assembly; 51. jacking the air cylinder; 52. a support ring; 6. a stretching assembly; 61. a fixing seat; 62. an auxiliary lever; 63. a stretching head; 64. an elastic member.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

Referring to fig. 1, the application provides a be used for polyimide film stretcher operation track bearing structure, including chain 1 and supporting component 2, the during operation of chain 1, whole level sets up inside the stretcher, and the both ends of chain 1 are located the outside of stretcher, and supporting component 2 sets up and is used for supporting chain 1 in the transmission of the inside and outside both sides of stretcher on the stretcher.

Referring to fig. 2, in one embodiment, the support assembly 2 includes a support plate 21, a bearing 22, a mounting rod 23, a locking plate 24, and a locking bolt 25, the support plate 21 is fixed to the stretching machine, the upper surface of the support plate 21 is horizontal, a plurality of mounting grooves 211 are upwardly spaced apart from the lower surface of the support plate 21, and the mounting grooves 211 penetrate the support plate 21; the plurality of bearings 22 are arranged, the plurality of bearings 22 are in one-to-one correspondence with the plurality of mounting grooves 211, the bearings 22 are arranged in the mounting grooves 211, and the highest point of the bearings 22 is higher than the upper surface of the supporting plate 21 and is abutted against the lower surface of the upper chain 1; the mounting rod 23 is arranged in the center of the bearing 22 in a penetrating way and is fixedly connected with the inner ring of the bearing 22, the length direction of the mounting rod 23 is horizontal, two ends of the mounting rod 23 are positioned at two sides of the mounting groove 211 and are embedded into the lower surface of the supporting plate 21, and the lower surface of the supporting plate 21 is provided with a caulking groove for the mounting rod 23 to enter; the locking plate 24 is horizontally arranged below the mounting rod 23, the locking plate 24 locks the mounting rod 23 inside the caulking groove, the locking bolt 25 is arranged on the locking plate 24, and the locking bolt 25 extends up through the locking plate 24 and then extends into the support plate 21 and is in threaded connection with the support plate 21.

The bearing 22 is detachably arranged on the lower surface of the supporting rod through the mounting rod 23, the locking plate 24 and the locking bolt 25, and the bearing 22 can be damaged along with the longer service time of the bearing 22, and the locking plate 24 is detachably arranged on the supporting plate 21 through the locking bolt 25, so that the bearing 22 can be conveniently replaced by people; moreover, in the embodiment, the bearing 22 is mounted on the supporting plate 21 through the mounting rod 23, and the bearing 22 does not reciprocate inside and outside the stretcher along with the chain 1 on the premise of supporting the chain 1, so that the temperature of the bearing 22 cannot be changed between high temperature and low temperature, the service life of the bearing 22 is prolonged, and the normal production effect of polyimide films is ensured.

Referring to fig. 3, in other embodiments, the bearing 22 may be mounted in the following manner: a cross-shaped mounting frame 4 is arranged below the supporting plate 21, a plurality of mounting grooves 211 penetrating through the supporting plate 21 are uniformly arranged on the lower surface of the supporting plate 21 at intervals, the distances between the four ends of the mounting frame 4 and the mounting grooves 211 are equal, a driving motor 41 is arranged on the supporting plate 21, and a driving rod of the driving motor 41 extends downwards and is fixedly connected with the mounting frame 4 at the central position of the mounting frame 4; a bearing 22 is arranged above each end of the mounting frame 4, and a jacking component 5 capable of jacking the bearing 22 to the inside of the mounting groove 211 and pressing the bearing 22 to the inside of the mounting groove 211 is arranged on the mounting frame 4. Here, after the bearing 22 is lifted up into the mounting groove 211 by the lifting assembly 5, the highest point of the bearing 22 is located above the upper surface of the support plate 21 and can abut against the lower surface of the chain 1.

The jacking assembly 5 comprises a jacking cylinder 51, a supporting ring 52 and a mounting rod 23, wherein the jacking cylinder 51 is arranged below the mounting frame 4 and fixedly connected with the mounting frame 4, a piston rod of the jacking cylinder 51 extends upwards to extend to the upper side of the mounting frame 4 after penetrating through the mounting frame 4, and a piston rod of the jacking cylinder 51 is in sliding connection with the mounting frame 4; the mounting rods 23 are arranged in the center of the bearing 22 in a penetrating manner and fixedly connected with the inner ring of the bearing 22, two supporting rings 52 are sleeved on each mounting rod 23, the two supporting rings 52 are respectively positioned on two sides of the bearing 22, and the supporting rings 52 are fixedly connected with the end heads of piston rods of the jacking cylinders 51.

The bearing 22 enters the mounting groove 211 through the upward thrust of the jacking cylinder 51 and finally abuts against the lower surface of the chain 1 to support the chain 1, and meanwhile, the bearing 22 cannot rotate between high temperature and low temperature, so that the effect of prolonging the service life of the bearing 22 is achieved; furthermore, if the bearing 22 finally becomes damaged due to the longer service time, the jacking cylinder 51 drives the bearing 22 to move to the lower part of the mounting groove 211, then the driving motor 41 drives the mounting frame 4 to rotate by 90 degrees, the bearing 22 on one side of the damaged bearing 22 rotates to the lower part of the mounting groove 211, and then the jacking cylinder 51 jacks the bearing 22 below the mounting groove 211 to the inside of the mounting groove 211 again, so that the replacement of the bearing 22 is realized, and people do not need to stop the operation process of the stretcher to replace the bearing 22, thereby further ensuring the production efficiency of the polyimide film.

Referring back to fig. 2, when the chain 1 drives the outer ring of the bearing 22 to rotate synchronously in the internal and external sides of the stretcher, if the inner ring of the bearing 22 rotates, the inner ring drives the mounting rod 23 to rotate in the caulking groove, so that the mounting rod 23 is worn, and the service life of the mounting rod 23 is affected; in order to lower the inner ring of the bearing 22 to rotate along with the outer ring of the bearing 22, a clamping groove 231 is formed at the two ends of the mounting rod 23 in a direction close to the center of the mounting rod 23, so that when the mounting rod 23 enters the embedded groove, the clamping groove 231 on the mounting rod 23 is in surface contact with the wall of the embedded groove, the wall of the embedded groove can prevent the mounting rod 23 from rotating, and meanwhile, the inner ring of the bearing 22 is prevented from rotating along with the outer ring of the bearing 22.

In this embodiment, the height of the supporting plate 21 can be adjusted according to the needs of people, and specifically, the height is as follows: a fixing ring 212 is arranged below the supporting plate 21, the fixing ring 212 is fixedly connected with the stretcher, a supporting shaft 213 is arranged inside the fixing ring 212, the supporting shaft 213 is in threaded connection with the fixing ring 212, a tight abutting block 214 is arranged at the upper end of the supporting shaft 213, and one end, far away from the supporting shaft 213, of the tight abutting block 214 is abutted against the lower surface of the supporting plate 21. If the height of the support plate 21 needs to be adjusted, people can rotate the support shaft 213 inside the fixed ring 212, the support shaft 213 is in threaded connection with the fixed ring 212, the support shaft 213 can vertically move up and down inside the fixed ring 212, and the support shaft 213 can also drive the support plate 21 to vertically move up and down to adjust the height of the support plate 21.

In the present embodiment, the support member 2 has another important function of tensioning the already formed polyimide film because the stretching member 6 for fixing the polyimide film is provided on the chain 1.

Referring to fig. 1, the stretching assembly 6 includes a fixing base 61, an auxiliary rod 62, a stretching head 63 and an elastic member 64, wherein the fixing base 61 is fixed on a chain link above the chain 1, the auxiliary rod 62 is horizontally arranged on the fixing base 61 at a position close to an outer ring of the chain 1 and is fixedly connected with the fixing base 61, one end of the stretching head 63 is sleeved on the auxiliary rod 62 and is rotatably connected with the auxiliary rod 62, and the top end of the stretching head 63 is in a columnar structure with a gradually-increased sectional area from top to bottom; the elastic member 64 is disposed between the stretching head 63 and the fixing base 61 and can drive the stretching head 63 to rotate in a direction approaching to the inner ring of the chain 1. In this embodiment, the elastic member 64 is a spring, and other elastic members 64 with the same effect are still applicable.

When the stretching assembly 6 drives the polyimide film to move in the stretching machine, the polyimide film can be hung on the stretching head 63, and the polyimide film can be clamped on the stretching head 63 because the cross section area of the stretching head 63 is gradually increased from top to bottom; in the stretcher, two groups of chains 1 are actually arranged, the two groups of chains 1 are respectively close to two sides of the stretcher, and the polyimide film is hung on a stretching head 63 of one side of the two groups of chains 1, and the polyimide film can be always in a tight state by arranging an elastic piece 64 between the stretching head 63 and a fixed seat 61, so that the performance of the polyimide film is ensured.

The present embodiment is merely illustrative of the present application and is not intended to be limiting, and those skilled in the art, after having read the present specification, may make modifications to the present embodiment without creative contribution as required, but is protected by patent laws within the scope of the claims of the present application.

Claims

1. The utility model provides a supporting component (2) that is used for polyimide film stretcher operation track bearing structure, includes chain (1) and is used for supporting chain (1), its characterized in that: the support component (2) comprises a support plate (21), the upper surface of the support plate (21) is horizontal, a plurality of mounting grooves (211) are formed in the upper surface of the support plate (21) in a downward spacing mode, a bearing (22) is mounted in the mounting grooves (211), the highest point of the bearing (22) is higher than the upper surface of the support plate (21) and is abutted to the lower surface of the chain (1), the central axis of the bearing (22) is perpendicular to the transmission direction of the chain (1) above, a mounting rod (23) is penetrated in the center of the bearing (22), the mounting rod (23) is fixedly connected with the inner ring of the bearing (22), the mounting rod (23) is embedded into the support plate (21) on the lower surface of the support plate (21), a locking plate (24) for locking the mounting rod (23) in the support plate (21) is arranged on the support plate (21), the locking plate (24) is detachably connected with the support plate (21), a stretching component (6) is arranged on the chain (1), the stretching component (6) comprises a fixing seat (61) arranged on an inner chain link of the chain (1), an auxiliary rod (62) is arranged on the chain (61) close to the chain (1), an auxiliary rod (62) is arranged on the auxiliary rod (62) for stretching a polyimide sleeve, the utility model provides a stretching head (63) is rotated with auxiliary rod (62) and is connected, be provided with between stretching head (63) and fixing base (61) and drive stretching head (63) to be close to the pivoted elastic component (64) of direction of chain (1) inner race, the top of stretching head (63) is by last to the columnar structure that the cross-sectional area grow gradually down, the below of backup pad (21) is provided with cross mounting bracket (4) and drives mounting bracket (4) around a vertical axis pivoted driving motor (41), four end distance mounting groove (211) on mounting bracket (4) are equal, every end of mounting bracket (4) all is provided with bearing (22), be provided with on mounting bracket (4) with bearing (22) jack-up to inside mounting groove (211) and compress tightly bearing (22) inside mounting groove (211), jack-up subassembly (5) are including setting up in the jack-up cylinder (51) of mounting bracket (4) below, the piston rod end of jack-up cylinder (51) upwards passes mounting bracket (4) and installs supporting ring (52), the center of bearing (22) is equipped with on the both sides of bearing (23) at bearing (23) and installs in bearing (23).

2. The running rail supporting structure for a polyimide film stretching machine according to claim 1, wherein: a fixed ring (212) is arranged below the supporting plate (21), a vertical supporting shaft (213) which is abutted to the lower surface of the supporting plate (21) is arranged inside the fixed ring (212), and the supporting shaft (213) is in threaded connection with the fixed ring (212).

3. The running rail supporting structure for a polyimide film stretching machine according to claim 1, wherein: the fixing seat (61) is detachably connected with the chain links.

4. The running rail supporting structure for a polyimide film stretching machine according to claim 1, wherein: both ends of the mounting rod (23) are provided with a clamping groove (231) towards the direction approaching to the center of the mounting rod (23).