CN211892448U

CN211892448U - Film laminating machine

Info

Publication number: CN211892448U
Application number: CN201921540782.2U
Authority: CN
Inventors: 唐超; 李华
Original assignee: SENSIN NEW MATERIAL (BEIJING) TECHNOLOGY CO LTD
Current assignee: SENSIN NEW MATERIAL (BEIJING) TECHNOLOGY CO LTD
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-11-10
Anticipated expiration: 2029-09-16

Abstract

The utility model discloses a film laminating machine, include: the paper feeding mechanism comprises a paper feeding shaft, a paper guide roller, a press roller pair, a winding shaft, a film feeding shaft and a film guide roller, wherein the paper feeding shaft, the paper guide roller, the press roller pair and the winding shaft are sequentially arranged along the running direction of a table-board paper body, the film feeding shaft and the film guide roller are positioned on the side part of the table-board paper body, the film guide roller is rotatably arranged on a support, and the support is movably arranged. The elastic pressure-bearing mechanism enables the film guide roller to always keep a state of tensioning the film layer, and particularly when the pressing force is suddenly reduced, the elastic pressure-bearing mechanism enables the film guide roller to move and the film guide roller still tensions the film layer, so that the film layer is prevented from being accumulated at the position of the pressing roller pair, and the problem of bubbles is also avoided.

Description

Film laminating machine

Technical Field

The utility model belongs to the technical field of the printing tectorial membrane technique and specifically relates to a laminating machine that is used for covering non-stick coating toward mesa paper body.

Background

The adhesive film is an important raw material in the solar photovoltaic field, for example, in a screen printing or mask printing process of an MWT (metal wrap through) silicon solar cell, the adhesive film, especially an EVA (ethylene vinyl acetate copolymer) film, is used to adhere a cell substrate to a copper wire; the adhesive film can also be used for sealing various thin sheets.

The adhesive film is generally produced by a film laminating machine. Referring to FIG. 1, a typical laminator generally includes: the paper feeding device comprises a paper feeding shaft, a paper guide roller, a compression roller pair, a winding shaft, a film feeding shaft and a film guide roller, wherein the paper feeding shaft, the paper guide roller, the compression roller pair and the winding shaft are sequentially arranged along the running direction of the table-board paper body, and the film feeding shaft and the film guide roller are positioned on two sides of the table-board paper body. The film layers fed on the film-feeding shaft are different according to the product, but they all have similar confusion: the stripping speed and the stripping force are unstable, and when a film layer is stacked on the press roller pair, bubbles can be generated on a finished product. Therefore, there is a need to improve this.

Disclosure of Invention

The utility model aims to solve the technical problem that the speed, the dynamics are unstable are peeled off to the rete of current laminating machine, and the finished product produces the not enough of bubble easily.

In order to solve the technical problem, the technical scheme of the utility model is that: a laminator, comprising: the paper feeding mechanism comprises a paper feeding shaft, a paper guide roller, a press roller pair, a winding shaft, a film feeding shaft and a film guide roller, wherein the paper feeding shaft, the paper guide roller, the press roller pair and the winding shaft are sequentially arranged along the running direction of a table-board paper body, the film feeding shaft and the film guide roller are positioned on the side part of the table-board paper body, the film guide roller is rotatably arranged on a support, and the support is movably arranged.

Furthermore, the bracket is in a strip shape, the film guide roller is rotatably arranged at one end of the bracket, and the other end of the bracket is rotatably arranged on the base through a rotating shaft; the elastic pressure-bearing mechanism is a torsion spring which is arranged at the rotating shaft.

Furthermore, the support is a sliding block which is arranged in a sliding mode relative to the base, and the elastic pressure-bearing mechanism is a compression spring arranged between the support and the base.

Furthermore, the sliding direction of the bracket is vertical to the connecting line of the axial lead of the upper film shaft and the pressing part of the press roller pair.

Furthermore, the support is two sub-supports, one end of each sub-support is rotatably provided with one film guide roller, and the other end of each sub-support is rotatably arranged on the base; the elastic pressure-bearing mechanism is an extension spring arranged between the two sub-supports.

Furthermore, the included angle of the two sub-brackets in the free state is in the range of 60-90 degrees.

Because of the implementation of the above technical scheme, the utility model has the advantages of it is following: by adopting the elastic pressure-bearing mechanism, the peeling force of the film layer is converted into pressing force so that the film layer is pressed on the film guide roller, and the pressing force is balanced with the elastic restoring force of the elastic pressure-bearing mechanism. Even if the peeling speed and force of the film layer are unstable, when the pressing force is suddenly reduced, the length of the film layer between the film feeding shaft and the pressing roller pair tends to increase, the elastic pressure-bearing mechanism enables the film guide roller to move, and the film guide roller still tensions the film layer, so that the film layer is prevented from being accumulated at the pressing roller pair, and the problem of bubbles is also avoided.

Drawings

FIG. 1 is a schematic diagram of a prior art laminator;

FIG. 2 is a schematic view of a laminator of a first embodiment;

FIG. 3 is a schematic view of a laminator of a second embodiment;

FIG. 4 is a schematic view of a laminator of a third embodiment;

shown in the figure: 1. feeding a paper shaft; 2. paper guide rollers; 3. a pair of press rolls; 4. a winding shaft; 5. a film feeding shaft; 6. a film guide roller; 7. a support; 70. a sub-mount; 81. a torsion spring; 82. a compression spring; 83. an extension spring; 9. a base.

Detailed Description

To facilitate an understanding of the above-described objects, features and advantages of the present invention, reference is made to the following description taken in conjunction with the accompanying drawings. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention.

Referring to fig. 2, a first embodiment of a laminator according to the present invention includes: last paper axle 1, lead paper roll 2, compression roller pair 3, the rolling axle 4 that set gradually along mesa paper body traffic direction are located last membrane axle 5 and the film guide roller 6 of mesa paper body lateral part, and mesa paper body both sides all set up membrane axle 5 and film guide roller 6 to realize two-sided tectorial membrane. In the prior art, the film guide roller 6 is rotatably arranged on a bracket fixed on the base, while in the embodiment, the film guide roller 6 is rotatably arranged on a bracket 7, and the bracket 7 is movably arranged with the base 9 through an elastic pressure-bearing mechanism.

Specifically, in fig. 2, the holder 7 is long, the film guide roller 6 is rotatably disposed at one end of the holder 7, and the other end of the holder 7 is rotatably disposed on the base 9 through a rotating shaft; the elastic pressure-bearing mechanism is a torsion spring 81, and the torsion spring 81 is arranged at the rotating shaft.

This laminating machine is at the during operation, along with the suppression of compression roller pair 3, goes up the rete of 5 departments of membrane, however the peeling speed of rete, dynamics are not steady, but fluctuate in certain extent, then, go up membrane 5 and compression roller pair 3 between the rete when many times less, produce easily when the rete is too much and pile up in 3 departments of compression roller pair, and then lead to the bubble problem. The film guide roller 6 in the prior art can smooth the peeling speed and force to a certain extent, but cannot completely solve the problem of bubbles, and particularly when the peeling force of a film layer is suddenly reduced, the problem of bubbles is more obvious. In the film guide roller 6 of the present embodiment, an elastic pressure-bearing mechanism is adopted, and the peeling force of the film layer is converted into a pressing force so that the film layer is pressed against the film guide roller 6, and the pressing force is balanced with the elastic restoring force of the elastic pressure-bearing mechanism. When the pressing force is increased, the elastic pressure-bearing mechanism enables the film guide roller 6 to retreat, and the length of the film layer between the film feeding shaft 5 and the press roller pair 3 tends to be reduced; when the pressing force is suddenly reduced, the length of the film between the upper film shaft 5 and the press roller pair 3 tends to increase, the elastic pressure-bearing mechanism enables the film guide roller 6 to advance, and the film guide roller 6 still tensions the film, so that the film is prevented from being accumulated at the press roller pair 3, and the problem of bubbles is also avoided.

Referring to fig. 3, in a second embodiment of the present invention, the support 7 is a sliding block slidably disposed relative to the base 9, and the elastic pressure-bearing mechanism is a compression spring 82 disposed between the support 7 and the base 9. The pressing force of the film is balanced with the elastic restoring force of the compression spring 82. The sliding direction of the holder 7 is set perpendicular to a line connecting the axial line of the upper film shaft 5 and the pressing portion of the nip roller pair 3 (this line is shown by a broken line in fig. 3).

Referring to fig. 4, according to the third embodiment of the present invention, the support 7 is two sub-supports 70, one end of each sub-support 70 is rotatably disposed with one film guiding roller 6, and the other end of each sub-support 70 is rotatably disposed on the base 9; the elastic pressure-bearing mechanism is an extension spring 83 arranged between the two sub-brackets 70. The included angle of the two sub-brackets 70 in the free state is 60-90 degrees, the deformation range capable of being accommodated is large, and the structure of the sub-bracket 70 is more stable. The contact pressure of the film layer, which is in equilibrium with the elastic restoring force of the tension spring 83, is distributed to the two film guide rollers 6. This solution is capable of carrying a larger range of fluctuations than the solution of one film guide roller 6.

Claims

1. A laminator, comprising: last paper axle, lead paper roll, compression roller pair, the rolling axle that sets gradually along mesa paper body traffic direction is located the last membrane axle and the guide film roller of mesa paper body lateral part, its characterized in that: the film guide roller is rotatably arranged on the support, and the support is movably arranged with the base through the elastic pressure-bearing mechanism.

2. A laminator according to claim 1, wherein: the film guide roller is rotatably arranged at one end of the support, and the other end of the support is rotatably arranged on the base through a rotating shaft; the elastic pressure-bearing mechanism is a torsion spring which is arranged at the rotating shaft.

3. A laminator according to claim 1, wherein: the support is a sliding block which is arranged in a sliding mode relative to the base, and the elastic pressure-bearing mechanism is a compression spring arranged between the support and the base.

4. A laminator according to claim 3, wherein: the sliding direction of the bracket is vertical to the connecting line of the axial lead of the upper film shaft and the pressing part of the press roller pair.

5. A laminator according to claim 1, wherein: the support is two sub-supports, one end of each sub-support is rotatably provided with one film guide roller, and the other end of each sub-support is rotatably arranged on the base; the elastic pressure-bearing mechanism is an extension spring arranged between the two sub-supports.

6. A laminator according to claim 5, wherein: the included angle of the two sub-brackets in a free state ranges from 60 degrees to 90 degrees.