CN218876258U

CN218876258U - Polyimide film stretching device

Info

Publication number: CN218876258U
Application number: CN202223081427.8U
Authority: CN
Inventors: 黄荣波; 何海军; 叶寅; 崔璨
Original assignee: Shanghai Xijia Precision Technology Co ltd
Current assignee: Shanghai Xijia Precision Technology Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-04-18
Anticipated expiration: 2032-11-21

Abstract

The utility model discloses a polyimide film stretching device, relate to film technical field, including the frame and pass the inside polyimide film of frame, the district middle section of frame just is located the below and the top of polyimide film and is provided with tensile roller under the multiunit and the multiunit respectively, and every group goes up the tensile roller and all is located adjacent two sets of tensile roller under directly over, the both ends of tensile roller are rotated respectively and are connected with two sets of lower buffer assembly and two sets of buffer assembly on every group tensile roller under and every group, the bottom and the top of frame are provided with down drive assembly and last drive assembly respectively, the top of lower drive assembly and the bottom of last drive assembly link to each other with the bottom of multiunit buffer assembly under and the top of buffer assembly on the multiunit respectively, through walk around the polyimide film every group tensile roller under the warming mill in proper order, stretch roller and chill roll on every group, the lower stretch roller shifts up and the upper stretch roller moves down, make the polyimide film form ripple-like structure, tensile size range has been increased.

Description

Polyimide film stretching device

Technical Field

The utility model relates to the technical field of films, specifically a polyimide film stretching device.

Background

Through retrieval, a polyimide film stretching device is disclosed (publication number: CN 217752741U), in the patent, two driving rollers and a stretching roller are arranged, a film firstly bypasses from the upper part of the first driving roller, passes through the lower part of the stretching roller and then bypasses from the upper part of the second driving roller, and then a driving motor drives a screw rod to rotate, so that a lifting block and the stretching roller move downwards, and then the two driving rollers and the stretching roller form a triangular structure, thereby completing the continuous stretching work of the film;

however, in the above technical solution, only one stretching roller is provided, so that the stretching range is limited, and when the film is loosened during moving, the film cannot be tensioned, so that the stretching effect is affected.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a polyimide film stretching device has solved the problem of proposing among the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a polyimide film stretching device film, includes the frame and passes the inside polyimide film of frame, the district middle section of frame just is located the below and the top of polyimide film and is provided with the multiunit respectively down stretching roller and multiunit on stretching roller, and every group goes up stretching roller all is located adjacent two sets of stretching roller down directly over, every group down the both ends of stretching roller rotate respectively and are connected with two sets of lower buffering subassemblies and two sets of buffering subassemblies of going up on stretching roller and every group, the bottom and the top of frame are provided with down drive assembly and last drive assembly respectively, the top of drive assembly down and the bottom of last drive assembly link to each other with the bottom of buffering subassembly under the multiunit and the top of buffering subassembly on the multiunit respectively, and drive assembly and last drive assembly are used for driving multiunit respectively under stretching roller and the multiunit under buffering subassembly and the multiunit on stretching roller and the multiunit buffer assembly do the elevating movement.

As a further technical scheme of the utility model, the outside of frame is "Contraband" font structure, and the open end forward.

As the utility model discloses further technical scheme, the both ends of frame and the top that is located the polyimide film are provided with warming mill and chill roll respectively, the both ends of warming mill and chill roll are all passed through the support connection in the inside of frame, and warming mill and chill roll are connected for rotating with the multiunit support respectively.

As a further technical scheme of the utility model, the bottom of bottom, every group of bottom stretch roll of stretch roll, every group of top and the bottom of chill roll of stretch roll on the group of warming mill are walked around in proper order to the polyimide film.

As a further technical scheme of the utility model, lower drive assembly is the same with the structure of last drive assembly and is the rotational symmetry structure, cushion the same and rotational symmetry structure of subassembly and last buffering subassembly down.

As the utility model discloses further technical scheme, drive assembly is including setting up the movable plate in frame inner chamber bottom, installing the electric putter in the frame bottom down, and electric putter's flexible end passes the frame bottom and is connected with the bottom of movable plate, and the symmetrical connection is at the guide bar of movable plate bottom, and the bottom of guide bar and the bottom of frame are for running through sliding connection.

As the utility model discloses further technical scheme, down cushion the subassembly including connecting at the riser on movable plate top, set up the logical groove in riser top side, the symmetric connection is at two sets of damping rods that lead to the inslot portion bottom, connects on two sets of damping rod tops and slides at the movable block that leads to the inslot portion, and the side of movable block rotates with the one end of stretching the roller down to be connected, connects and just is located the outside spring of every group damping rod between leading to inslot portion bottom and movable block bottom.

Advantageous effects

The utility model provides a polyimide film stretching device. Compared with the prior art, the method has the following beneficial effects:

1. the utility model provides a polyimide film stretching device, through walk around the polyimide film heating roller every group down stretch roller, every group on stretch roller and the chill roll in proper order, the stretch roller shifts up and the stretch roller shifts down on the multiunit under the multiunit, makes the polyimide film form the ripple structure, has increased tensile size range.

2. The utility model provides a polyimide film stretching device, through stretching roller rebound under and when last stretching roller rebound, when exerting force to the movable block, then extrudeing damping rod and spring, and then realize the cushioning effect, when stretching roller and the outside polyimide film of last stretching roller appear relaxing down, then the spring promotes the movable block and removes, and then drives down stretching roller and last stretching roller and carry out the tensioning to polyimide film.

Drawings

FIG. 1 is a schematic view of a polyimide film stretching apparatus;

FIG. 2 is a front view of a polyimide film stretching apparatus;

FIG. 3 is a schematic diagram showing an in-use structure of a polyimide film stretching apparatus;

fig. 4 is a schematic structural view of a lower buffer assembly in a polyimide film stretching apparatus.

In the figure: 1. a frame; 2. a heating roller; 3. a cooling roll; 4. a lower stretching roller; 5. an upper stretching roller; 6. a lower drive assembly; 61. moving the plate; 62. an electric push rod; 63. a guide bar; 7. an upper drive assembly; 8. a lower cushion assembly; 81. a vertical plate; 82. a through groove; 83. a damping rod; 84. a movable block; 85. a spring; 9. a support; 10. a polyimide film; 11. and an upper buffer assembly.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution of a polyimide film stretching apparatus: a polyimide film stretching device comprises a frame 1 and a polyimide film 10 penetrating through the inside of the frame 1, wherein the outside of the frame 1 is of a structure like Contraband, the opening end of the frame is forward, heating rollers 2 and cooling rollers 3 are respectively arranged at two ends of the frame 1 and above the polyimide film 10, two ends of the heating rollers 2 and the cooling rollers 3 are connected to the inside of the frame 1 through brackets 9, the heating rollers 2 and the cooling rollers 3 are respectively rotatably connected with a plurality of groups of brackets 9, a plurality of groups of lower stretching rollers 4 and a plurality of groups of upper stretching rollers 5 are respectively arranged at the middle section of the frame 1 and below and above the polyimide film 10, each group of upper stretching rollers 5 are respectively positioned right above two adjacent groups of lower stretching rollers 4, the polyimide film 10 sequentially bypasses the bottom of the heating rollers 2, the top of each group of lower stretching rollers 4, the bottom of each group of upper stretching rollers 5 and the bottom of the cooling rollers 3, the both ends of every group down stretch roll 4 and every group go up stretch roll 5 rotate respectively and are connected with two sets of lower buffering subassembly 8 and two sets of buffering subassembly 11 of going up, the bottom and the top of frame 1 are provided with down drive assembly 6 and last drive assembly 7 respectively, the top of lower drive assembly 6 and the bottom of last drive assembly 7 link to each other with the bottom of multiunit lower buffering subassembly 8 and the top of buffering subassembly 11 on the multiunit respectively, and drive assembly 6 and last drive assembly 7 are used for driving multiunit down stretch roll 4 and multiunit down buffering subassembly 8 and the multiunit on stretch roll 5 and the multiunit on buffer subassembly 11 and be elevating movement down, drive assembly 6 and last drive assembly 7's the same and be the rotational symmetry structure down, buffer subassembly 8 and last buffering subassembly 11's the same and be the rotational symmetry structure down.

It should be noted that, the polyimide film 10 sequentially bypasses the bottom of the heating roller 2, the top of each group of lower stretching rollers 4, the bottom of each group of upper stretching rollers 5, and the bottom of the cooling roller 3, and then the lower driving assembly 6 drives the multiple groups of lower stretching rollers 4 to move upwards, the upper driving assembly 7 drives the multiple groups of upper stretching rollers 5 to move downwards, and the multiple groups of lower buffering assemblies 8 and the multiple groups of upper buffering assemblies 11 buffer the polyimide film when the lower stretching rollers 4 and the upper stretching rollers 5 move, and constantly keep the polyimide film 10 in a tensioned state.

Lower drive assembly 6 is including setting up movable plate 61 in frame 1 inner chamber bottom, installing the electric putter 62 in frame 1 bottom, and the flexible end of electric putter 62 passes frame 1 bottom and is connected with the bottom of movable plate 61, and the symmetric connection is at the guide bar 63 of movable plate 61 bottom, and the bottom of guide bar 63 and the bottom of frame 1 for running through sliding connection.

It should be noted that the electric push rod 62 drives the moving plate 61 to move, and the two sets of guide rods 63 slide at the bottom of the rack 1, so as to guide the movement of the moving plate 61 and avoid deviation.

Lower buffer unit 8 is including connecting the riser 81 on movable plate 61 top, sets up the logical groove 82 in riser 81 top side, and the symmetric connection is at two sets of damping rods 83 who leads to the inside bottom of groove 82, connects on two sets of damping rods 83 tops and slides at the inside movable block 84 that leads to groove 82, and the side of movable block 84 rotates with the one end of stretching roller 4 down to be connected, connects and just is located the outside spring 85 of every group damping rod 83 between the inside bottom of groove 82 and movable block 84 bottom.

When an external force is applied to the movable block 84, the damping rod 83 and the spring 85 are compressed, and when the external force is dissipated, the spring 85 pushes the movable block 84 to move.

The utility model discloses a theory of operation: when the polyimide film stretching device is used, firstly, the polyimide film 10 sequentially bypasses the bottom of the heating roller 2, the top of each group of lower stretching rollers 4, the bottom of each group of upper stretching rollers 5 and the bottom of the cooling roller 3, the heating roller 2 heats the polyimide film 10, the lower driving assembly 6 drives the plurality of groups of lower stretching rollers 4 to move upwards, the upper driving assembly 7 drives the plurality of groups of upper stretching rollers 5 to move downwards, stretching is realized when the polyimide film 10 moves, and when force is applied to the movable block 84 when the lower stretching rollers 4 move upwards and the upper stretching rollers 5 move downwards, the damping rod 83 and the spring 85 are extruded, so that a buffering effect is realized, and when the stretched polyimide film 10 passes through the cooling roller 3, the temperature can be reduced and the polyimide film can be shaped;

and when the polyimide film 10 outside the lower stretching roller 4 and the upper stretching roller 5 is loosened, the spring 85 pushes the movable block 84 to move, and then the lower stretching roller 4 and the upper stretching roller 5 are driven to tension the polyimide film 10.

Claims

1. The utility model provides a polyimide film stretching device, its characterized in that, including frame (1) and pass frame (1) inside polyimide film (10), the district middle section of frame (1) and the below and the top that are located polyimide film (10) are provided with tensile roller (4) and multiunit down respectively and stretch roller (5) on tensile roller (4) and the multiunit, and every group goes up tensile roller (5) and all is located adjacent two sets of stretching roller (4) down directly over, every group down the both ends of tensile roller (5) are rotated respectively and are connected with two sets of lower buffer assembly (8) and two sets of buffer assembly (11) on in tensile roller (4) and every group, the bottom and the top of frame (1) are provided with down drive assembly (6) and last drive assembly (7) respectively, the top of drive assembly (6) and last drive assembly (7) down are used for respectively under the drive assembly (4) and the multiunit under the bottom of buffer assembly (8) and the multiunit the top of buffer assembly (11) on with the multiunit and link to each other, and drive assembly (6) and last drive assembly (7) are used for drive assembly (8) respectively under the multiunit and do the lift assembly (11) and the multiunit and lift assembly (11).

2. The polyimide film stretching device according to claim 1, wherein the frame (1) has an outer portion in a shape of a "Contraband" with an open end facing forward.

3. The polyimide film stretching device according to claim 1, wherein a heating roller (2) and a cooling roller (3) are respectively disposed at two ends of the frame (1) and above the polyimide film (10), two ends of the heating roller (2) and the cooling roller (3) are respectively connected to the inside of the frame (1) through brackets (9), and the heating roller (2) and the cooling roller (3) are respectively connected to the plurality of sets of brackets (9) in a rotating manner.

4. The polyimide film stretching apparatus according to claim 1, wherein the polyimide film (10) is passed sequentially around the bottom of the heating roll (2), the top of each set of lower stretching rolls (4), the bottom of each set of upper stretching rolls (5) and the bottom of the cooling roll (3).

5. The polyimide film stretching apparatus according to claim 1, wherein the lower driving assembly (6) and the upper driving assembly (7) have the same structure and have a rotational symmetric structure, and the lower buffer assembly (8) and the upper buffer assembly (11) have the same structure and have a rotational symmetric structure.

6. The polyimide film stretching device according to claim 5, wherein the lower driving assembly (6) comprises a moving plate (61) arranged at the bottom of the inner cavity of the frame (1), and an electric push rod (62) installed at the bottom end of the frame (1), the telescopic end of the electric push rod (62) penetrates through the bottom of the frame (1) and is connected with the bottom end of the moving plate (61), guide rods (63) are symmetrically connected to the bottom end of the moving plate (61), and the bottom of each guide rod (63) is connected with the bottom of the frame (1) in a penetrating and sliding manner.

7. The stretching device for the polyimide film as claimed in claim 5, wherein the lower buffer assembly (8) comprises a vertical plate (81) connected to the top end of the movable plate (61), a through groove (82) formed in the side surface of the top of the vertical plate (81), two sets of damping rods (83) symmetrically connected to the bottom end inside the through groove (82), a movable block (84) connected to the top end of the two sets of damping rods (83) and sliding inside the through groove (82), the side surface of the movable block (84) is rotatably connected to one end of the lower stretching roller (4), and a spring (85) connected between the bottom end inside the through groove (82) and the bottom end of the movable block (84) and located outside each set of damping rods (83).