CN113119573A

CN113119573A - Production equipment for adhesive film back plate composite material

Info

Publication number: CN113119573A
Application number: CN202110393598.5A
Authority: CN
Inventors: 蔡书义; 焦华
Original assignee: Zhejiang Sinopoly Materials Co ltd
Current assignee: Zhejiang Sinopoly Materials Co ltd
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-07-16
Anticipated expiration: 2041-04-13
Also published as: CN113119573B

Abstract

The invention relates to the field of solar cell production equipment, in particular to a production equipment of a composite material of a film back plate, which adopts the technical scheme that the production equipment comprises a feeding device, a pressing device and a winding device, wherein the feeding device comprises two raw material racks which are arranged on a sliding rail in a sliding way, the pressing device comprises a box body and a box cover, the bottom of the box body is provided with a first lower pressing roller and a second lower pressing roller, the box cover is provided with a first upper pressing roller and a second upper pressing roller, the box cover is also provided with a first infrared heating pipe and a second infrared heating pipe which are separated by the first upper pressing roller, two opposite side plates of the box body are provided with strip-shaped holes, the film back plate and the film back plate are compounded, the production line and the film back plate are compounded in advance independently from a production line of a solar cell, the production line length of the solar cell, and the pressing is automatically carried out, so that the manual access is reduced, and the production efficiency is improved.

Description

Production equipment for adhesive film back plate composite material

Technical Field

The invention belongs to the field of solar cell production equipment, and particularly relates to production equipment for an adhesive film back plate composite material.

Background

The solar cell panel has five layers of sections, namely photovoltaic glass, an adhesive film, a solar cell piece, an adhesive film and a back plate in sequence, wherein the EVA adhesive film mainly plays a role in adhesion, the back plate has the performances of ageing resistance, corrosion resistance, insulation and the like, and mainly plays a role in protecting the solar cell piece.

Disclosure of Invention

In order to solve the technical problems mentioned in the background art, the invention aims to provide a production device for an adhesive film back plate composite material.

The invention provides a production device for a composite material of an adhesive film and a back plate, which is used for compounding the adhesive film and the back plate and is independent of the production of a solar cell.

Preferably, the raw material frame includes bottom plate, two curb plates that set up relatively, two be connected with two raw material rollers that distribute from top to bottom through the bearing between the curb plate, feeder includes two raw material frames, be provided with two parallel T type card strips on the raw material frame bottom plate, be provided with on the slide rail with two first T type tracks that T type card strip matches.

Preferably, be provided with chucking mechanism on the slide rail, chucking mechanism includes the base plate and connects dop on the base plate, base plate sliding connection be in on the slide rail, along the perpendicular to the orbital direction of first T type slides, be provided with on the bottom plate with the breach that the dop matches.

Preferably, one side of the box body, which is close to the feeding device, is provided with a pre-pressing roller set, and a meter counter is arranged between the pre-pressing roller set and the box body.

Preferably, a temperature controller is arranged on the side surface of the inner wall of the box body, and the temperature controller controls the output power of the first infrared heating pipe and the second infrared heating pipe.

Preferably, the first upper pressing roller and the second upper pressing roller are connected through a belt, the first lower pressing roller and the second lower pressing roller are connected through a belt, the ends of the first upper pressing roller and the first lower pressing roller are connected with a first driving motor in an inserting mode, and the first driving motor is a stepping motor.

Preferably, the support of compression roller both sides passes under the second the bottom half is connected through the linking arm outside the box, be provided with the internal thread sleeve pipe on the linking arm, bottom half below is provided with rotary joint, the rotary joint inner wall is provided with the annular groove, it has the regulation pole of screw thread matching with it to peg graft in the internal thread sleeve pipe, adjust pole one end be provided with the annular that the annular groove matches is protruding.

Preferably, the winding device comprises two circular side plates and two vertical plates, a connecting rod is arranged in the circle center of each circular side plate and is connected with the vertical plates in a rotating mode, 3 winding rollers are arranged between the circular side plates and are evenly arranged along the circumferential direction at intervals, a second driving motor is arranged on each vertical plate, a first square joint is arranged in a rotating shaft of the second driving motor, a second square joint is fixedly connected to the end of each winding roller, and the first square joint and the second square joint are connected through a connecting piece.

Preferably, the connecting piece comprises a U-shaped clamping groove and a cover plate hinged to the U-shaped clamping groove, and the cover plate is connected with the U-shaped clamping groove through a magnet.

Preferably, a limiting rod is arranged on the vertical plate, and a limiting hole matched with the limiting rod is formed in the circular side plate.

The invention has the following beneficial effects: the utility model provides an adhesive film backplate combined material production facility compounds glued membrane and backplate, is independent of solar cell's production line, compounds the two in advance, can reduce solar cell's production line length, through feeder, compression fittings and coiling mechanism cooperation, carries out the pressfitting automatically, reduces artifical the access, improves production efficiency.

Drawings

FIG. 1 is a schematic view of the overall structure of a production apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a feeding device according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a material holder and a chucking mechanism according to an embodiment of the present invention;

FIG. 4 is an expanded view of a portion of the pressing device according to the embodiment of the present invention;

FIG. 5 is a schematic view of an internal structure of a pressing device according to an embodiment of the present invention;

FIG. 6 is a schematic view of a connection structure of a first lower roller and a first driving motor according to an embodiment of the present invention;

FIG. 7 is a schematic structural view of a second lower pressure roller adjusting device in the embodiment of the present invention;

FIG. 8 is a schematic expanded view of the second lower pressure roller adjusting device according to the embodiment of the present invention;

FIG. 9 is a schematic structural view of a winding device in an embodiment of the present invention;

FIG. 10 is a schematic view of a connection structure of a wind-up roll and a second driving motor in the embodiment of the invention;

FIG. 11 is a schematic view of a connector according to an embodiment of the present invention;

10-a feeding device; 11-a raw material frame; 111-side plates; 112-a raw material roll; 113-a backplane; 114-T type card strip; 12-a slide rail; 121-a first T-shaped track; 13-a clamping mechanism; 131-a substrate; 132-a chuck; 20-a stitching device; 21-box cover; 22-a set of pre-pressing rollers; 23-a first upper press roll; 24-a first lower press roll; 25-a second upper press roll; 26-a second lower press roll; 261-a linker arm; 262-a rotary joint; 263-internal thread bushing; 264-adjusting rod; 27-a first drive motor; 28-a first infrared heating tube; 29-a second infrared heating tube; 30-a winding device; 31-round side 1; 32-vertical plate; 33-a wind-up roll; 331-a second square joint; 34-a second drive motor; 341-first square joint; 35-a limiting hole; 36-a limiting rod; 37-a connector; 371-U type card cage; 372-a cover plate; 373-a magnet; 40-meter counter; 50-temperature controller.

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. Unless otherwise specified, the technical means used in the examples are conventional means well known to those skilled in the art.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

As shown in fig. 1 to 11, an apparatus for producing a composite material of an adhesive film back plate includes a feeding device 10, a pressing device 20 and a winding device 30, the feeding device 10 includes two raw material frames 11 slidably disposed on a sliding rail 12, the pressing device 20 includes a box body and a box cover 21, a first lower pressing roller 24 and a second lower pressing roller 26 are disposed at the bottom of the box body, a first upper pressing roller 23 and a second upper pressing roller 25 are disposed on the box cover 21, two first infrared heating pipes 28 and two second infrared heating pipes 29 separated by the first upper pressing roller 23 are further disposed on the box cover 21, two opposite side plates 111 of the box body are provided with strip-shaped holes, the apparatus is disposed on a machine table or a machine frame, the machine table and the machine frame can adopt the common use in the prior art, and only the requirement of the aligned placement of each component of the apparatus is satisfied.

The adhesive film and the back plate raw materials are placed on a feeding device 10, after being taken out, the adhesive film and the back plate raw materials are pressed through a pressing device 20, then a finished product is recovered through a rolling device 30, specifically, the adhesive film and the back plate raw materials penetrate into a box body through strip-shaped holes and are sequentially pressed twice, the temperature inside the box body is raised through an infrared heating pipe in the pressing process, the adhesive film is enabled to generate viscosity and is compounded with the back plate, the box body has good heat insulation effect and can perform better temperature control, the bonding effect is improved, wherein a first upper pressing roller 23 and a first lower pressing roller 24 perform first pressing on the adhesive film and the back plate, as the adhesive film just enters the box body, the surface temperature rise is not obvious, the viscosity is not sufficient, the adhesive film and the back plate are bonded to a certain degree through the first pressing, the adhesive film and the back plate can be bonded better when the second pressing is performed, and a first infrared heating pipe 28 and a second infrared, is beneficial to the adhesive film to fully reach the bonding temperature.

The box body comprises a main body and a box cover 21, the main body and the box cover are aligned through the matching of a bolt and a groove, a handle is arranged on the box cover 21 and used for lifting the box cover 21, and the aim is to pull the raw materials to penetrate through a production line when the raw materials are replaced.

Generally speaking, the temperature of the adhesive film for generating viscosity is 120-180 ℃, different production processes have some differences, and when the adhesive film is in a completely adhesive state and is adhered to a back plate, subsequent adhering operation with a battery piece is difficult to perform, so the current heating temperature control is to perform compounding with the back plate under the state that the adhesive film just generates viscosity and is not completely adhered, the main purpose is to enable the adhesive film and the back plate to generate certain contact, the relative position can be kept in the subsequent adhering process with the battery piece, and favorable alignment conditions are created for the subsequent operation.

As a preferred scheme, the raw material rack 11 includes a bottom plate 113 and two side plates 111 arranged oppositely, two raw material rollers 112 distributed up and down are connected between the two side plates 111 through bearings, the feeding device 10 includes two raw material racks 11, two parallel T-shaped clamping strips 114 are arranged on the bottom plate 113 of the raw material rack 11, and two first T-shaped rails 121 matched with the T-shaped clamping strips 114 are arranged on the slide rail 12.

The upper raw material roller 112 is used for placing the raw material of the adhesive film, the lower raw material roller 112 is used for placing the raw material of the back plate, and the release paper is arranged on the adhesive film, so that the release paper is positioned on one side away from the back plate when the adhesive film is pulled out; the two raw material frames 11 are arranged and can be used alternatively, so that the influence of feeding on production is reduced, and when one raw material frame 11 works, the other raw material frame 11 can carry out feeding operation; two parallel arrangement's T nature card strip and the cooperation of the first T type track 121 on the slide rail 12 ensure the stability of former work or material rest 11 motion in-process, are favorable to accurate counterpoint.

Preferably, the sliding rail 12 is provided with a first T-shaped rail 13, the first T-shaped rail 13 includes a base plate and a chuck 132 connected to the base plate, the base plate is slidably connected to the sliding rail 12 and slides along a direction perpendicular to the first T-shaped rail 121, the bottom plate 113 is provided with a notch matching with the chuck 132, and the base plate is locked to the sliding rail 12 by a bolt.

Set up chucking mechanism and cooperate the track to lock raw materials frame 11 on the horizontal direction, guarantee raw materials frame 11's stability on the one hand, on the other hand passes through dop 132 and the simple mechanical structure cooperation of breach, accomplishes raw materials frame 11's location for the position that raw materials frame 11 was parked every time is unanimous, is favorable to the counterpoint of glued membrane and backplate to be compound, and dop 132 front portion is the tip, gets into the breach easily when dop 132 pushes bottom plate 113.

As a preferable scheme, a pre-pressing roller set 22 is arranged on one side of the box body close to the feeding device 10, a meter counter 40 is arranged between the pre-pressing roller set 22 and the box body, the pre-pressing roller set 22 is arranged outside the box body, the glue film and the back plate are pressed together in advance, although the glue film and the back plate are not bonded, the glue film and the back plate can be bound, the glue film and the back plate are prevented from being scratched with the side wall of the strip-shaped hole when passing through the strip-shaped hole, the quality of a finished product is ensured, the meter counter 40 is arranged at the position, the length of the raw material entering the pressing device 20 is measured and used as basic data of control logic, a shutdown threshold value is set according to the length of the raw material, when the raw material is about to be used up.

As the preferred scheme, the temperature controller 50 is arranged on the side surface of the inner wall of the box body, the temperature controller 50 controls the output power of the first infrared heating pipe 28 and the second infrared heating pipe 29, the adhesive film generates viscosity in a heating state, the optimal bonding temperature range exists, the temperature controller 50 is arranged to control the temperature in the box body, the power of the infrared heating pipes is increased when the temperature does not reach the standard, the temperature is rapidly increased, and when the temperature is in fact, the power of the infrared heating pipes is properly reduced, and the temperature is kept in the optimal temperature range.

As the preferred scheme, first upper press roll 23, second upper press roll 25 pass through the belt to be connected, first lower press roll 24, second lower press roll 26 pass through the belt to be connected, the end of first upper press roll 23 and first lower press roll 24 is connected with first driving motor 27 through the mode of pegging graft, first driving motor 27 is step motor, two first driving motor 27 set up to same cadence, pass through belt connection second upper press roll 25 and second lower press roll 26, make two pressfittings can keep in step, avoid the pressfitting in-process to pull the raw materials, lead to the raw materials to warp.

Preferably, the brackets on both sides of the second lower roller 26 penetrate through the bottom of the box body and are connected with each other through a connecting arm 261, an internal thread sleeve 263 is arranged on the connecting arm 261, a rotary joint 262 is arranged below the bottom of the box body, an annular groove is arranged on the inner wall of the rotary joint 262, an adjusting rod 264 in threaded matching with the internal thread sleeve 263 is inserted in the internal thread sleeve 263, an annular protrusion matching with the annular groove is arranged at one end of the adjusting rod 264, the height of the second lower roller 26 can be adjusted by rotating the adjusting rod 264, namely, the gap between the second upper roller 25 and the second lower roller 26 is adjusted, so as to control the pressing strength of a finished product.

As an optimized scheme, the winding device 30 includes two circular side plates 31 and two vertical plates 32, a connecting rod is arranged at the center of the circle of the circular side plate 31 and rotatably connected to the vertical plates 32, 3 winding rollers 33 are arranged between the two circular side plates 31 and uniformly spaced along the circumferential direction, a second driving motor 34 is arranged on the vertical plates 32, a first square joint 341 is arranged on a rotating shaft of the second driving motor 34, a second square joint 331 is fixedly connected to the end of the winding roller 33, and the first square joint 341 and the second square joint 331 are connected through a connecting piece 37.

Two circular curb plates 31 and 3 wind-up rolls 33 make up as an organic whole, and this assembly passes through connecting rod and riser 32 swivelling joint of circular curb plate 31 centre of a circle department, can carry out swivelling joint through the bearing, and 3 wind-up rolls 33 alternate operation certainly also can set up two wind-up rolls 33, and after one of them wind-up roll 33 rotated to the position of receiving the material on, be connected with second driving motor 34 through connecting piece 37, second driving motor 34 also is the step motor unanimous with first driving motor 27 pace.

As preferred scheme, connecting piece 37 includes U type draw-in groove 371 and articulates apron 372 on U type draw-in groove 371, and apron 372 passes through magnet 373 with U type draw-in groove 371 and is connected, and an opening part of U type draw-in groove 371 is provided with magnet 373, carries out the actuation to apron 372, because whole production facility's functioning speed is slower, and the centrifugal action at the junction is very weak when the motor rotates, through magnet 373 actuation the mode connect two square joints can, dismantlement and simple to operate.

Preferably, the vertical plate 32 is provided with a limiting rod 36, the circular side plate 31 is provided with a limiting hole 35 matched with the limiting rod 36, and the limiting rod 36 is inserted into the limiting hole 35 to limit the rotation of the circular side plate 31 so as to keep the position of the winding roller 33.

As the preferred scheme, the surface of each roller on the production equipment is covered with a glaze layer to protect the adhesive film and the back plate.

The specific implementation process comprises the following steps: the adhesive film and the back plate are drawn out from the raw material roller 112, one side of the adhesive film release paper deviates from the back plate, the adhesive film release paper passes through the pre-pressing roller group 22, the strip-shaped holes and the two pressing roller groups in the pressing device 20, then penetrates out of the other strip-shaped hole and is wound on the winding roller 33, the length of a finished product is measured through the meter counter 40 in the operation process, the start and stop of the equipment are controlled by taking the measured length of the meter counter 40 as a control basis, when the measured data of the meter counter approaches the length of the raw material, workers are informed in a wireless signal mode and the equipment is stopped, and the stop comprises the stop of a driving motor and an infrared heating pipe; in the production process, the temperature controller 50 controls the output power of the infrared heating pipe, so that the temperature in the box body is kept in a certain range, and the requirement of a temperature interval of the adhesive film for embodying the optimal viscosity is met; after the raw material on the raw material roller 112 is used up, the raw material frame 11 is unlocked by the clamping mechanism, another raw material frame 11 is transversely pushed and replaced for feeding, and another winding roller 33 is correspondingly replaced on one side of the winding device 30 for recycling finished products; generally speaking, after the laminated adhesive film and the laminated back plate come out of the box body, the temperature of the laminated adhesive film and the laminated back plate can be quickly reduced, and in order to ensure that the finished product is not damaged due to difficulty in heat dissipation after being rolled, a heat dissipation fan can be arranged between the rolling device 30 and the laminating device 20 to cool the laminated finished product.

The above embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and those skilled in the art should make various changes, modifications, alterations, and substitutions on the technical solution of the present invention without departing from the spirit of the present invention, which falls within the protection scope defined by the claims of the present invention.

Claims

1. The utility model provides an adhesive film backplate combined material production facility which characterized in that: the automatic winding device comprises a feeding device (10), a pressing device (20) and a winding device (30), wherein the feeding device (10) comprises two raw material frames (11) which are arranged on a sliding rail in a sliding mode, the pressing device (20) comprises a box body and a box cover (21), a first lower pressing roller (24) and a second lower pressing roller (26) are arranged at the bottom of the box body, a first upper pressing roller (23) and a second upper pressing roller (25) are arranged on the box cover (21), two first infrared heating pipes (28) and two second infrared heating pipes (29) which are separated through the first upper pressing roller (23) are further arranged on the box cover (21), and strip-shaped holes are formed in two opposite side plates of the box body.

2. The apparatus for producing a composite material of an adhesive film backing plate according to claim 1, wherein: raw material frame (11) are including bottom plate (113), two curb plate (111) that set up relatively, two be connected with raw materials roller (112) that distribute from top to bottom through the bearing between curb plate (111), feeder (10) are including two raw material frames (11), be provided with two parallel T type card strip (114) on bottom plate (113), be provided with on slide rail (12) with two first T type track (121) that T type card strip (114) match.

3. The apparatus for producing a composite material of an adhesive film backing plate according to claim 2, wherein: be provided with chucking mechanism (13) on slide rail (12), chucking mechanism (13) include base plate (131) and connect dop (132) on base plate (131), base plate (131) sliding connection be in on slide rail (12), along the perpendicular to the direction of first T type track (121) slides, be provided with on bottom plate (113) with the breach that dop (132) match.

4. The apparatus for producing a composite material of an adhesive film backing plate according to claim 1, wherein: one side of the box body, which is close to the feeding device (10), is provided with a pre-pressing roller set (22), and a meter counter (40) is arranged between the pre-pressing roller set (22) and the box body.

5. The apparatus for producing a composite material of an adhesive film backing plate according to claim 1, wherein: and a temperature controller (50) is arranged on the side surface of the inner wall of the box body, and the temperature controller (50) controls the output power of the first infrared heating pipe (28) and the second infrared heating pipe (29).

6. The apparatus for producing a composite material of an adhesive film backing plate according to claim 1, wherein: the first upper pressing roller (23) and the second upper pressing roller (25) are connected through a belt, the first lower pressing roller (24) and the second lower pressing roller (26) are connected through a belt, the ends of the first upper pressing roller (23) and the first lower pressing roller (24) are connected with a first driving motor (27) in an inserting mode, and the first driving motor (27) is a stepping motor.

7. The apparatus for producing a composite material of an adhesive film backing plate according to claim 1, wherein: the support of second lower roll (26) both sides passes the bottom half is connected through linking arm (261) outside the box, be provided with internal thread sleeve pipe (263) on linking arm (261), the box below is provided with rotary joint (262), rotary joint (262) inner wall is provided with the annular groove, it adjusts pole (264) to have the screw thread to match with it to peg graft in internal thread sleeve pipe (263), adjust pole (264) one end be provided with the annular that the annular groove matches is protruding.

8. The apparatus for producing a composite material of an adhesive film backing plate according to claim 1, wherein: the winding device (30) comprises two circular side plates (31) and two vertical plates (32), a connecting rod is arranged at the circle center of each circular side plate (31) and is connected with the corresponding vertical plate (32) in a rotating mode, 3 winding rollers (33) are arranged between the circular side plates (31) at intervals along the circumferential direction, a second driving motor (34) is arranged on each vertical plate (32), a first square connector (341) is arranged on a rotating shaft of the second driving motor (34), a second square connector (331) is fixedly connected to the end of each winding roller (33), and the first square connector (341) and the second square connector (331) are connected through a connecting piece (37).

9. The apparatus for producing a composite material of an adhesive film backing plate according to claim 8, wherein: the connecting piece (37) includes U type draw-in groove (371) and articulates apron (372) on U type draw-in groove (371), apron (372) with U type draw-in groove (371) are connected through magnet (373).

10. The apparatus for producing a composite material of an adhesive film backing plate according to claim 8, wherein: the vertical plate (32) is provided with a limiting rod (36), and the circular side plate (31) is provided with a limiting hole (35) matched with the limiting rod (36).