CN210735751U

CN210735751U - Polyimide film tension adjusting mechanism for casting machine

Info

Publication number: CN210735751U
Application number: CN201921306261.0U
Authority: CN
Inventors: 王文静
Original assignee: Hefei Zhonghuiruineng Energy Technology Co Ltd
Current assignee: Zhonghui Ruineng Fengyang New Material Technology Co.,Ltd.
Priority date: 2019-08-13
Filing date: 2019-08-13
Publication date: 2020-06-12
Anticipated expiration: 2029-08-13

Abstract

The utility model discloses a polyimide film tension adjustment mechanism for curtain coating machine, including two mount pads, two the equal elastic connection in upper and lower both sides of mount pad has the bracing piece, and relative one side difference swing joint that is located two bracing pieces on the same water line has first bearing roller and second bearing roller. The utility model discloses a with first bearing roller and second bearing roller elasticity setting on the mount pad in the vertical direction, under regulating spring's elastic action, first bearing roller and second bearing roller can exert pressure to the membrane in the vertical direction, polyimide film in holistic conveying like this can keep the state of tensioning, polyimide film when conveying like this can not appear conveying unstable condition and appear, when tension is too big, receive the power of dragging of the direction of carrying on the back mutually in the membrane conveying, polyimide film easily appears the condition of warping, first bearing roller and second bearing roller are receiving pressure, can remove to the direction of carrying on the back mutually, at this moment, pressure can reduce, the conveying that polyimide film can be stable.

Description

Polyimide film tension adjusting mechanism for casting machine

Technical Field

The utility model relates to the technical field, specifically be a polyimide film tension adjustment mechanism for curtain coating machine.

Background

Polyimide film is one of the earliest products of polyimide, and is used for slot insulation of motors and cable wrapping materials. The transparent polyimide film can be used as a flexible solar cell bottom plate. Polyimide fibers can be used for hot gas filtration, and polyimide yarns can separate dust and special chemicals from exhaust gases.

And the casting machine can be used in the production of the polyimide film, but in the conveying of the casting machine, the polyimide film can be too tight or too loose, and when the situation occurs in the conveying of the polyimide film, the problems that the conveying is unstable and the tension is too large to cause the deformation of the polyimide film can be caused, so that the production and processing efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a polyimide film tension adjustment mechanism for casting machine has solved the problem that casting machine conveying polyimide film tension can not be adjusted in real time.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a polyimide film tension adjustment mechanism for curtain coating machine, includes two mount pads, two the equal elastic connection in upper and lower both sides of mount pad has the bracing piece, and the relative one side difference swing joint that is located two bracing pieces on same water straight line has first bearing roller and second bearing roller, still includes:

the elastic cavities are arranged on the inner side of the mounting seat, each elastic cavity comprises a displacement cavity and two mounting cavities, the displacement cavity is formed in the middle line of the inner side of the mounting seat, the supporting rod is sleeved in the displacement cavity, the two mounting cavities are respectively formed in the front side and the rear side of the inner wall of the displacement cavity, and a tension adjusting mechanism is installed in each mounting cavity;

the tension adjusting mechanism comprises a sliding rod, the upper end and the lower end of the sliding rod are fixedly connected to the upper side and the lower side of the inner wall of the mounting cavity respectively, the sliding rod is sleeved with two sliding plates and an adjusting spring, and one side, opposite to each sliding plate, of each sliding plate is fixedly connected with the front side and the rear side of the supporting rod respectively.

Preferably, the left side and the right side of the sliding plate are also provided with movable grooves, the front side and the rear side of the inner wall of each movable groove are movably connected with movable shafts, and the side surfaces of the movable shafts are in lap joint with one side of the inner wall of the mounting cavity.

Preferably, the side surfaces of the first idler and the second idler are both provided with annular convex surfaces.

Preferably, the shaft sleeves are sleeved on the two shaft rods of the first carrier roller and the second carrier roller and are fixedly connected with one ends of the supporting rods.

Preferably, the front side and the rear side of the outer side of the mounting seat are fixedly connected with mounting bars, and one side of each mounting bar is provided with a mounting hole.

Preferably, the front side and the rear side of the inner wall of the displacement cavity are flush with the front side and the rear side of the support rod, and the contact surfaces are smoothly arranged.

(III) advantageous effects

The utility model provides a polyimide film tension adjustment mechanism for casting machine. The method has the following beneficial effects:

the utility model discloses a with first bearing roller and second bearing roller elasticity setting on the mount pad in the vertical direction, under regulating spring's elastic action, first bearing roller and second bearing roller can exert pressure to the membrane in the vertical direction, polyimide film in holistic conveying like this can keep the state of tensioning, polyimide film when conveying like this can not appear conveying unstable condition and appear, in addition when there is tension between drive roller and the transfer roller when too big, receive the power of dragging of the opposite side direction of carrying on the back in the polyimide film conveying, the condition of deformation easily appears in the polyimide film, and first bearing roller and second bearing roller are receiving pressure, can remove to the opposite side of the back direction, at this moment, pressure can reduce, the conveying that polyimide film can be stable.

Drawings

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

fig. 2 is a sectional view of the structure mounting base of the present invention;

fig. 3 is an enlarged view of a portion a in the structure diagram of the present invention 2.

In the figure: the device comprises a first carrier roller 1, a second carrier roller 2, a shaft sleeve 3, a support rod 4, an annular convex surface 5, a mounting seat 6, a displacement cavity 7, a mounting cavity 8, a sliding plate 9, a sliding rod 10, an adjusting spring 11, a movable groove 12, a movable shaft 13 and a mounting bar 14.

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.

As shown in fig. 1-3, the utility model provides a technical solution: the utility model provides a polyimide film tension adjustment mechanism for curtain coating machine, includes two mount pads 6, and the equal elastic connection in upper and lower both sides of two mount pads 6 has bracing piece 4, and the relative one side difference swing joint that is located two bracing pieces 4 on the same water straight line has first bearing roller 1 and second bearing roller 2, still includes:

the elastic cavities are arranged on the inner side of the mounting seat 6, each elastic cavity comprises a displacement cavity 7 and two mounting cavities 8, the displacement cavity 7 is arranged on the middle line of the inner side of the mounting seat 6, the supporting rod 4 is sleeved in the displacement cavity 7, the two mounting cavities 8 are respectively arranged on the front side and the rear side of the inner wall of the displacement cavity 7, and tension adjusting mechanisms are arranged in the mounting cavities 8;

the tension adjusting mechanism comprises a sliding rod 10, the upper end and the lower end of the sliding rod 10 are respectively fixedly connected to the upper side and the lower side of the inner wall of the installation cavity 8, two sliding plates 9 and an adjusting spring 10 are sleeved on the sliding rod 10, one opposite sides of the two sliding plates 9 are respectively fixedly connected with the front side and the rear side of the supporting rod 4, when a polyimide film is conveyed by the casting machine, because the driving roller can idle in the film conveying process, the first carrier roller 1 and the second carrier roller 2 have elasticity, under the elastic action of the adjusting spring 9, the first carrier roller 1 and the second carrier roller 2 can apply pressure to the film in the vertical direction, so that the polyimide film in the integral conveying process can keep a tensioning state, the polyimide film in the conveying process can not be unstable in conveying, in addition, when the tension between the driving roller and the conveying roller is overlarge, the polyimide film is subjected to pulling force in the opposite directions in the conveying process, the condition of deformation easily appears in the polyimide film, and first bearing roller 1 and second bearing roller 2 receive pressure, can move to the opposite directions that carry on the back, and at this moment, pressure can reduce, the conveying that the polyimide film can be stable.

In one embodiment, in order to guarantee that the polyimide film can be stable adjusts the tensioning state, slide 9's the left and right sides still has activity groove 12, both sides swing joint has loose axle 13 around the 12 inner walls of activity groove, the side surface of loose axle 13 and one side overlap joint of the 8 inner walls of installation cavity, when receiving pressure, or during idle running between polyimide film and the drive wheel, bracing piece 4 can be in the mount pad 6 nimble and stable removal, thereby the regulation rapidity has been guaranteed, can also increase the flexibility that first bearing roller 1 and second bearing roller 2 removed.

In one embodiment, the side surfaces of the first carrier roller 1 and the second carrier roller 2 are both provided with annular convex surfaces 5, under the action of the annular convex surfaces 5, the inner wall of the conveyed polyimide film is in contact with the annular convex surfaces 5, the middle part of the middle part.

Specifically, two axostylus axostyles of first bearing roller 1 and second bearing roller 2 have all cup jointed axle sleeve 3, and axle sleeve 3 and the one end fixed connection of bracing piece 4.

Specifically, the equal fixedly connected with mounting bar 14 in both sides around the 6 outsides of mount pad, the mounting hole has been seted up to one side of

mounting bar

14, and 6 inner walls at the casting machine of bolt fixed connection of mount pad.

Specifically, the front side and the rear side of the inner wall of the displacement cavity 7 are flush with the front side and the rear side of the support rod 4, and the contact surfaces are smooth, so that the friction force of the support rod 4 can be reduced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 polyimide film tension adjustment mechanism for casting machine, includes two mount pads (6), two the equal elastic connection in upper and lower both sides of mount pad (6) has bracing piece (4), and the relative one side difference swing joint that is located two bracing pieces (4) on the same water straight line has first bearing roller (1) and second bearing roller (2), its characterized in that still includes:

the elastic cavities are arranged on the inner side of the mounting seat (6), each elastic cavity comprises a displacement cavity (7) and two mounting cavities (8), the displacement cavities (7) are arranged on the central line of the inner side of the mounting seat (6), the supporting rod (4) is sleeved in the displacement cavities (7), the two mounting cavities (8) are respectively arranged on the front side and the rear side of the inner wall of the displacement cavity (7), and tension adjusting mechanisms are arranged in the mounting cavities (8);

the tension adjusting mechanism comprises a sliding rod (10), the upper end and the lower end of the sliding rod (10) are respectively and fixedly connected to the upper side and the lower side of the inner wall of the installation cavity (8), the sliding rod (10) is sleeved with two sliding plates (9) and an adjusting spring (11), and one sides, opposite to the sliding plates (9), of the two sliding plates are respectively and fixedly connected with the front side and the rear side of the supporting rod (4).

2. The polyimide film tension adjusting mechanism for a casting machine according to claim 1, characterized in that: the left and right sides of slide (9) still has activity groove (12), both sides swing joint has loose axle (13) around activity groove (12) inner wall, the side surface of loose axle (13) with one side overlap joint of installation cavity (8) inner wall.

3. The polyimide film tension adjusting mechanism for a casting machine according to claim 1, characterized in that: the side surfaces of the first carrier roller (1) and the second carrier roller (2) are both provided with annular convex surfaces (5).

4. The polyimide film tension adjusting mechanism for a casting machine according to claim 1, characterized in that: two shaft levers of first bearing roller (1) and second bearing roller (2) all cup joint axle sleeve (3), axle sleeve (3) with the one end fixed connection of bracing piece (4).

5. The polyimide film tension adjusting mechanism for a casting machine according to claim 1, characterized in that: the mounting structure is characterized in that mounting strips (14) are fixedly connected to the front side and the rear side of the outer side of the mounting seat (6), and mounting holes are formed in one side of each mounting strip (14).

6. The polyimide film tension adjusting mechanism for a casting machine according to claim 1, characterized in that: the front side and the rear side of the inner wall of the displacement cavity (7) are flush with the front side and the rear side of the support rod (4), and the contact surfaces are all smoothly arranged.