CN217534892U

CN217534892U - Photovoltaic is with high EVA glued membrane heating and smooths device that passes through

Info

Publication number: CN217534892U
Application number: CN202221071032.7U
Authority: CN
Inventors: 孙国俊; 程志桓; 钱洪强; 姚庆丰
Original assignee: Shandong Tenghui New Energy Technology Co ltd
Current assignee: Shandong Tenghui New Energy Technology Co ltd
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2022-10-04
Anticipated expiration: 2032-05-06

Abstract

The utility model belongs to the technical field of film smoothing, and relates to a heating and smoothing device for photovoltaic high-permeability EVA film. The two ends of the roller shaft of the heating roller and the flattening heating roller are respectively connected to the top end of the jacking unit, and the bottom end of the jacking unit is connected to the second conveying unit. The utility model can smooth the adhesive film with high efficiency and high quality, and solve the problem of lack of adhesive after lamination caused by the wide shrinkage of the adhesive film and the displacement of the adhesive film during the smoothing process.

Description

Photovoltaic is with high EVA glued membrane heating and smooths device that passes through

Technical Field

The utility model relates to a photovoltaic is with high EVA glued membrane heating of passing through smooths device belongs to the glued membrane and smooths technical field.

Background

The EVA adhesive film itself has excellent hot-melt property, durability, and aging resistance, and thus is the most common packaging material in photovoltaic module manufacture. The EVA film often presents material problems during the assembly manufacturing process: if the temperature is too low, the width can shrink; when the EVA adhesive film is rolled, the tension is too large, and the adhesive film is too tight after being rolled, so that the adhesive film protrudes in a strip shape; in addition, along with the trend of cost reduction and efficiency increase in the industry, large-reel EVA starts to be used, the length of a single-reel EVA is continuously increased, the pressure of an inner side adhesive film is increased, the adhesive film is deformed, and a block-shaped bulge is formed.

At present, a scraper is mainly manually held by hands to smooth the EVA adhesive film at the protruding part, but the manual smoothing mode has low efficiency, the smoothing quality cannot be guaranteed, and the effect is general; the problem of width shrinkage of the adhesive film caused by low temperature cannot be solved, a scraper plate is used manually for smoothing, and partial bulges cannot be smoothed due to limited applied pressure; the glue film is easy to scratch and damage the glue film material; the manual operation easily causes the glued membrane displacement not to be centered, produces the marginal starved joint after follow-up lamination bad.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the defects of the prior art are overcome, the photovoltaic high-transparency EVA adhesive film heating smoothing device is provided, the photovoltaic high-transparency EVA adhesive film heating smoothing device can efficiently smooth the adhesive film in high quality, the problem of wide shrinkage of the adhesive film is solved, and the phenomenon of poor adhesive shortage after lamination caused by adhesive film displacement in the smoothing process is solved.

Photovoltaic is with high EVA glued membrane heating of passing through smooths device, including the frame, the frame upper surface is equipped with first conveying unit, first conveying unit top is equipped with the warming mill that flattens, flattens the top that jacking unit is connected respectively at the roller both ends of warming mill, the bottom and the second conveying unit of jacking unit are connected.

In the specific working process, the jacking unit lifts up the flattening heating roller to jack up the flattening heating roller, so that enough loading space is reserved between the flattening heating roller and the first conveying unit, the first conveying unit carries glass and a high-transmittance EVA (ethylene vinyl acetate) adhesive film on the glass to the lower part of the flattening heating roller, then the jacking unit drives the flattening heating roller to lower the pressure to the position above the high-transmittance EVA adhesive film, then the second conveying unit drives the jacking unit to move to the other end along one end of the high-transmittance EVA adhesive film, the jacking unit moves to carry the flattening heating roller to move back and forth, the speed of the second conveying unit drives the jacking unit to be moderate, the back and forth movement of the flattening heating roller is in a rolling state by matching with the self gravity of the flattening heating roller, and the high-transmittance EVA adhesive film can be well flattened; and the flattening heating roller has a heating function, so that the problem of wide shrinkage of the adhesive film can be better solved, and the efficient and high-quality flattening adhesive film is ensured. The flattening heating roller is a roller capable of heating, and is the prior art.

Preferably, the jacking unit include the jacking cylinder, the piston shaft of jacking cylinder passes through the connecting piece and is connected with the roller axle rotation of flattening the heating roller, the cylinder body of jacking cylinder is fixed on second conveying unit. The lifting of the flattening heating roller is controlled by the air cylinder, so that the device is reliable.

Preferably, the connecting piece comprises a connecting rod and a connecting frame which are connected into a whole, a long through hole is formed in the connecting rod, and a bolt penetrates through the long through hole to enable the connecting rod to be fixedly connected with the top end of the piston shaft of the jacking cylinder; the connecting frame is connected with a roll shaft of the flattening heating roller through a bearing seat with a bearing. Different versions of high-transparency EVA (ethylene-vinyl acetate) adhesive films have different widths, so that flattening heating rollers with different lengths and sizes also need to be replaced, and the flattening heating rollers are fixedly connected with the connecting frame through bearing seats, so that the disassembly and the assembly are both convenient; and the position of the connecting rod fixed with the top end of the piston shaft of the jacking cylinder can be adjusted back and forth along the strip-shaped through hole so as to be suitable for the flattening heating rollers with different lengths.

Preferably, the second conveying unit comprises an air cylinder slide rail fixed on the rack, an air cylinder slide block matched with the air cylinder slide rail in a sliding manner is arranged on the air cylinder slide rail, and the air cylinder slide block is fixedly connected with the bottom end of the jacking unit through a fixing plate. The cylinder body of the jacking cylinder is fixed with the cylinder sliding block through the fixing plate, the driving unit drives the cylinder sliding block to drive the jacking unit to move back and forth along the cylinder sliding rail, and the cylinder sliding rails at the two ends of the flattening heating roller move synchronously, so that the flattening heating roller can roll stably.

Preferably, the first transmission unit comprises a driving shaft and a driven shaft, the driving shaft and the driven shaft are respectively arranged at the front end and the rear end of the rack, a plurality of groups of transmission wheels are correspondingly arranged on the driving shaft and the driven shaft, transmission belts are arranged on the transmission wheels of the driving shaft and the transmission wheels of the driven shaft at corresponding positions, and the motor drives the driving shaft to rotate. The driving shaft rotates to drive the driven shaft to rotate, the conveyor belt achieves the purpose of conveying materials, and the multiple groups of driving wheels can better support glass and the flattening heating roller.

Preferably, the number of the flattening heating rollers is 2,2, and two ends of each flattening heating roller are respectively and correspondingly connected with one jacking unit and one second conveying unit. When the glue film flattening device works, the 2 flattening heating rollers are respectively rolled and flattened from the middle part to the two ends, so that the two sides of the glue film are uniformly stressed, and the glue film can be better prevented from displacing; and when the two flattening heating rollers are gathered in the middle, the gap between the two flattening heating rollers is small and can be ignored.

Preferably, the outer layer of the flattening heating roller is additionally provided with a Teflon protective layer, on one hand, the high-transparency EVA adhesive film cannot be adhered to the Teflon protective layer, the possibility of displacement of the adhesive film is reduced, on the other hand, the high-transparency EVA adhesive film is protected, and the flattening heating roller does not damage the high-transparency EVA adhesive film when rolling.

Compared with the prior art, the utility model beneficial effect who has is:

the utility model has the advantages of reasonable design, replace artifical strickleing off, can high-efficient high-quality glue film of smoothing to solve the shrink of glued membrane broad width, and smooth the bad phenomenon of starving behind the lamination that in-process glued membrane displacement caused, reduce workman's intensity of labour, reduction in production cost.

Drawings

FIG. 1 is a top view of a photovoltaic high-transparency EVA adhesive film heating and flattening device;

fig. 2 is a front view of a photovoltaic high-transparency EVA adhesive film heating and flattening device.

In the figure: 1. a frame; 2. flattening the heating roller; 3. a driven shaft; 4. a cylinder slide rail; 5. jacking a cylinder; 6. a glue film; 7. a conveyor belt; 8. a motor; 9. a drive shaft; 10. a driving wheel; 11. a cylinder slider; 12. a strip through hole; 13. a connecting rod; 14. a connecting frame; 15. a Teflon protective layer; 16. a bearing seat; 17. and (3) glass.

Detailed Description

The invention will be further described with reference to the accompanying drawings:

like fig. 1 and fig. 2, photovoltaic is with high EVA glued membrane heating of passing through smooths device, including

frame

1, 1 upper surface of frame is equipped with first conveying unit, first conveying unit top is equipped with the warming mill 2 that flattens, flattens the top that jacking unit is connected respectively at the roller both ends of warming mill 2, the bottom and the second conveying unit of jacking unit are connected.

In this embodiment:

the jacking unit comprises a jacking cylinder 5, a piston shaft of the jacking cylinder 5 is rotatably connected with a roller shaft of the flattening heating roller 2 through a connecting piece, and a cylinder body of the jacking cylinder 5 is fixed on the second conveying unit. The air cylinder is used for controlling the lifting of the flattening heating roller 2, and the flattening heating roller is reliable.

The connecting piece comprises a connecting rod 13 and a connecting frame 14 which are connected into a whole, a long through hole 12 is arranged on the connecting rod 13, and a bolt penetrates through the long through hole 12 to enable the connecting rod 13 to be fixedly connected with the top end of the piston shaft of the jacking cylinder 5; the connection frame 14 is connected to the roller shaft of the flattening heating roller 2 through a bearing housing 16 with a bearing. The different versions of the high-transparency EVA adhesive film 6 have different widths, so that the flattening heating rollers 2 with different lengths and sizes also need to be replaced, and the flattening heating rollers 2 are connected and fixed with the connecting frame 14 through the bearing seats 16, so that the assembly and disassembly are convenient; and the fixed position of the connecting rod 13 and the top end of the piston shaft of the jacking cylinder 5 can also be adjusted back and forth along the long through hole 12 so as to be suitable for the flattening heating roller 2 with different lengths.

The second conveying unit comprises an air cylinder sliding rail 4 fixed on the rack 1, an air cylinder sliding block 11 sliding in a matched mode with the air cylinder sliding rail 4 is arranged on the air cylinder sliding rail 4, and the air cylinder sliding block 11 is fixedly connected with the bottom end of the jacking unit through a fixing plate. The cylinder body of the jacking cylinder 5 is fixed with the cylinder sliding block 11 through a fixing plate, the driving unit drives the cylinder sliding block 11 to drive the jacking unit to move back and forth along the cylinder sliding rail 4, and the cylinder sliding rails 4 at the two ends of the flattening heating roller 2 move synchronously, so that the flattening heating roller 2 can roll stably.

The first transmission unit comprises a driving shaft 9 and a driven shaft 3, the driving shaft 9 and the driven shaft 3 are respectively arranged at the front end and the rear end of the rack 1, a plurality of groups of transmission wheels 10 are correspondingly arranged on the driving shaft 9 and the driven shaft 3, a transmission belt 7 is arranged on the transmission wheel 10 of the driving shaft 9 and the transmission wheel 10 of the driven shaft 3 at the corresponding position, and the driving shaft 9 is driven to rotate by a motor 8. The driving shaft 9 rotates to drive the driven shaft 3 to rotate, the conveyor belt 7 achieves the purpose of conveying materials, and the multiple groups of driving wheels 10 can better support the glass 17 and the flattening heating roller 2.

The number of the pressing and heating rollers 2 is 2,2, and two ends of each pressing and heating roller 2 are correspondingly connected with a jacking unit and a second conveying unit. When the glue film flattening device works, the 2 flattening heating rollers 2 are respectively rolled and flattened from the middle part to the two ends, so that the two sides of the glue film 6 are uniformly stressed, and the glue film 6 can be better prevented from displacing; and when the two flattening heating rollers 2 are gathered in the middle, the gap therebetween is small and negligible.

The outer layer of the flattening heating roller 2 is additionally provided with a Teflon protective layer 15, on one hand, the high-transmittance EVA adhesive film 6 cannot be adhered to the Teflon protective layer 15, the possibility of displacement of the adhesive film 6 is reduced, and on the other hand, the high-transmittance EVA adhesive film 6 is protected, so that the flattening heating roller 2 does not damage the high-transmittance EVA adhesive film 6 when rolling.

In the specific working process, the jacking unit lifts the flattening heating roller 2 before feeding, so that a sufficient feeding space is reserved between the flattening heating roller 2 and the first conveying unit, the first conveying unit carries glass 17 and a high-transmittance EVA (ethylene vinyl acetate) adhesive film 6 on the glass 17 to the position below the flattening heating roller 2, then the jacking unit drives the flattening heating roller 2 to reduce the pressure to the position above the high-transmittance EVA adhesive film 6, then the second conveying unit drives the jacking unit to move to the other end along one end of the high-transmittance EVA adhesive film 6, the jacking unit moves to carry the flattening heating roller 2 to move back and forth, the second conveying unit drives the jacking unit to rotate at a speed, the self gravity of the flattening heating roller 2 is matched, the back and forth movement of the flattening heating roller 2 is moderate and in a rolling state, and the high-transmittance EVA adhesive film 6 can be well flattened; and the flattening heating roller 2 has a heating function and can better solve the problem of wide shrinkage of the adhesive film 6, so that the efficient and high-quality flattening of the adhesive film 6 is ensured. The flattening heating roller 2 is a roller that can be heated up, which is a prior art.

Claims

1. A high-permeability EVA film heating and leveling device for photovoltaics, characterized in that: it comprises a frame (1), the upper surface of the frame (1) is provided with a first conveying unit, and above the first conveying unit is provided with a flattening unit The two ends of the heating roller (2) and the roller shaft of the flattening heating roller (2) are respectively connected to the top end of the jacking unit, and the bottom end of the jacking unit is connected to the second conveying unit.

2. The high-permeability EVA film heating and leveling device for photovoltaics according to claim 1, characterized in that: the jacking unit comprises a jacking cylinder (5), and the piston shaft of the jacking cylinder (5) is connected to the pressure via a connector. The roller shaft of the flat heating roller (2) is rotatably connected, and the cylinder body of the jacking cylinder (5) is fixed on the second conveying unit.

3. The high-permeability EVA film heating and leveling device for photovoltaics according to claim 2, characterized in that: the connecting piece comprises a connecting rod (13) and a connecting frame (14) that are integrally connected, and the connecting rod (13) is provided with a connecting rod (13) and a connecting frame (14). There is a long through hole (12), and the bolt passes through the long through hole so that the connecting rod (13) is fixedly connected with the top end of the piston shaft of the jacking cylinder (5); the connecting frame (14) passes through the bearing seat (16) with the bearing. ) is connected to the roller shaft of the flattening heating roller (2).

4. The high-permeability EVA film heating and leveling device for photovoltaics according to claim 1, wherein the second conveying unit comprises a cylinder slide rail (4) fixed on the frame (1), and the cylinder slide rail ( 4) A cylinder slider (11) is provided on it to cooperate and slide, and the cylinder slider (11) is fixedly connected to the bottom end of the jacking unit through a fixing plate.

5. The high-permeability EVA adhesive film heating and leveling device for photovoltaics according to claim 1, wherein the first conveying unit comprises a driving shaft (9) and a driven shaft (3), the driving shaft (9) and the driven shaft (9) and the driven shaft (3). The driving shaft (3) is arranged at the front and rear ends of the frame, the driving shaft (9) and the driven shaft (3) are correspondingly provided with a plurality of sets of driving wheels (10), the driving wheel (10) of the driving shaft (9) and the corresponding position The drive wheel (10) of the driven shaft (3) is provided with a conveyor belt (7), and the motor (8) drives the driving shaft (9) to rotate.

6. The high-permeability EVA film heating and leveling device for photovoltaics according to any one of claims 1-5, characterized in that: the number of flattening heating rollers (2) is 2, and 2 flattening heating rollers (2). 2) The two ends are respectively connected with a jacking unit and a second conveying unit.

7 . The device for heating and leveling a high-permeability EVA adhesive film for photovoltaics according to claim 1 , wherein a Teflon protective layer ( 15 ) is added to the outer layer of the flattening heating roller ( 2 ). 8 .