Vacuum pipeline structure of laminating machine

Abstract

The utility model relates to a vacuum pipeline structure of a laminating machine, and belongs to the technical field of laminating machines. Comprising a vacuum pump and a valve seat, an air inlet of the vacuum pump is connected with a main pipeline through a filter, the main pipeline is connected with the valve seat, the upper surface of the valve seat is provided with an upper chamber connecting port and a lower chamber connecting port, the main pipeline, the upper chamber connecting port and the lower chamber connecting port are communicated with one another through the valve seat, and the upper end of the upper chamber connecting port is fixedly connected with an upper chamber vacuum valve. According to the utility model, the filter assembly is additionally arranged in the vacuum pipeline of the upper chamber, so that the problem that broken glass or other foreign matters enter the cavity of the upper chamber when toughened glass bursts is effectively solved, and the conditions that pits appear on the back plate of the solar cell module and even a silica gel plate is cut are avoided. When a worker treats an exploded part, only the workbench of the lower chamber cavity, the filter of the vacuum pump and the filter assembly need to be cleaned, a silica gel plate does not need to be disassembled, the downtime of equipment is greatly shortened, the perfectness rate of the equipment is increased, and the product yield is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of laminating machines, in particular to a vacuum pipeline structure of a laminating machine. Background Art

[0002] Laminators play a crucial role in the manufacturing process of solar cell modules. They press materials such as solar cells, EVA, tempered glass, and backing film into a rigid, integrated solar cell module through heating and pressing under high temperature, high pressure, and vacuum conditions. The vacuum chamber, which provides the vacuum conditions, is divided into two cavities, upper and lower, by a silicone plate. The upper cover and silicone plate form the upper chamber, while the silicone plate and workbench form the lower chamber. The solar cell module resides in the lower chamber during operation.

[0003] However, during the lamination process, once the tempered glass explodes (explodes), the resulting broken glass slag or other foreign matter will be sucked into the lower chamber vacuum pipe, valve seat and vacuum pump. When the upper chamber cavity and the lower chamber cavity establish a vacuum environment at the same time, the upper and lower chamber vacuum valves are opened at the same time, and the upper and lower vacuum pipes are in a conductive state. In this case, broken glass slag and other foreign matter are very likely to enter the upper chamber cavity, causing pits on the back panel of the laminated solar cell module, or even cutting the silicone plate. When the above situation occurs, the staff needs to remove the silicone plate for cleaning or replacement, which is time-consuming and labor-intensive, greatly affecting production efficiency. Utility Model Content

[0004] In order to solve the above technical problems, the present invention provides a vacuum pipeline structure for a laminating machine. The technical solution of the present invention is as follows:

[0005] A laminator vacuum pipeline structure includes a vacuum pump and a valve seat, the air inlet of the vacuum pump is connected to the main pipeline through a filter, the main pipeline is connected to the valve seat, the upper surface of the valve seat is provided with an upper chamber connection port and a lower chamber connection port, the main pipeline, the upper chamber connection port and the lower chamber connection port are all interconnected through the valve seat, the upper end of the upper chamber connection port is fixedly connected to the upper chamber vacuum valve, the upper end of the upper chamber vacuum valve is fixedly connected to the upper chamber vacuum pipeline, one side of the upper chamber vacuum pipeline is connected to the upper chamber air intake pipeline, the upper chamber air intake pipeline An upper chamber air inlet valve is fixedly connected to the upper chamber vacuum pipe, one end of the upper chamber vacuum pipe away from the upper chamber vacuum valve is communicated with the upper chamber cavity of the laminator, a filter assembly is detachably connected to the middle of the upper chamber vacuum pipe, the upper end of the lower chamber connecting port is fixedly connected to the lower chamber vacuum valve, the upper end of the lower chamber vacuum valve is fixedly connected to the lower chamber vacuum pipe, one side of the lower chamber vacuum pipe is connected with the lower chamber air inlet pipe, the lower chamber air inlet valve is fixedly connected to the lower chamber air inlet pipe, and the end of the lower chamber vacuum pipe away from the lower chamber vacuum valve is communicated with the lower chamber cavity of the laminator;

[0006] The filter assembly includes a U-shaped cavity seat, a cavity cover and a U-shaped collecting box. The left and right sides of the U-shaped cavity seat are penetrated by connecting pipes. The connecting pipe flange is connected to the middle of the upper chamber vacuum pipe. The cavity cover is fixedly connected to the upper end of the U-shaped cavity seat by bolts. The U-shaped collecting box is movably placed inside the U-shaped cavity seat. Ventilation holes are penetrated on the left and right sides of the U-shaped collecting box. A collection cavity is provided inside the U-shaped collecting box and below the vent. A filter is fixedly connected to the inside of the U-shaped collecting box.

[0007] Optionally, two groups of filters are provided, and the size of the filter holes opened on the left side of the filter surface is smaller than the size of the filter holes opened on the right side of the filter surface. The two groups of filters divide the interior of the U-shaped collection box into cavity one, cavity two and cavity three from right to left.

[0008] Optionally, the interior of the cavity three is filled with a filter element.

[0009] Optionally, two sets of guide grooves are provided on the front and rear sides of the interior of the U-shaped cavity seat, the front and rear sides of the U-shaped collecting box are fixedly connected with side panels, and the side of the side panel away from the U-shaped collecting box is fixedly connected with two sets of guide blocks, and the guide blocks are slidably connected to the inside of the corresponding guide grooves.

[0010] Optionally, an elastic member is connected to the inside of the guide groove and below the guide block, and the elastic member includes a spring and a top block. The lower end of the spring is fixedly connected to the inner bottom surface of the guide groove, and the top block is fixedly connected to the top of the spring. The top block is slidably connected to the inside of the corresponding guide groove and below the guide block.

[0011] Optionally, side sealing rings are sandwiched between the left and right sides of the inner wall of the U-shaped cavity seat and the left and right sides of the outer wall of the U-shaped collecting box.

[0012] Optionally, a sealing gasket is sandwiched between the cavity cover and the U-shaped cavity seat.

[0013] All the above optional technical solutions can be combined arbitrarily, and the present utility model does not provide detailed descriptions of the structures after the combinations.

[0014] By means of the above solution, the beneficial effects of the present invention are as follows:

[0015] 1. This utility model effectively solves the problem of broken glass or other foreign matter entering the upper chamber cavity when tempered glass explodes by adding a filter assembly to the upper chamber vacuum duct. When an explosion occurs, the filter assembly prevents broken glass or other foreign matter from entering the upper chamber cavity, thereby preventing pitting of the solar cell module backsheet or even cutting the silicone plate.

[0016] 2. When handling explosive parts, staff only need to clean the workbench of the lower chamber, the filter and filter components of the vacuum pump without removing the silicone plate, which greatly reduces equipment downtime, improves equipment integrity, and ensures product yield.

[0017] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and to implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall appearance of the vacuum pipeline structure of the laminator provided by the utility model;

[0019] Figure 2 for Figure 1 Schematic diagram of the enlarged structure at A in the middle;

[0020] Figure 3 This is an overall top view of the vacuum pipeline structure of the laminating machine provided by the utility model;

[0021] Figure 4 This is a schematic diagram of the decomposition structure of the filter assembly in the present utility model;

[0022] Figure 5 This is a front cross-sectional view of the filter assembly in the present invention;

[0023] Figure 6 It is a right side cross-sectional view of the filter assembly in the present invention;

[0024] Figure 7 It is a structural schematic diagram of the cooperation between the U-shaped cavity seat and the elastic member in the present invention.

[0025] Numbers in the figure: 1, vacuum pump; 11, filter; 12, main pipeline; 2, valve seat; 21, upper chamber connection port; 22, lower chamber connection port; 3, upper chamber vacuum valve; 4, upper chamber vacuum pipeline; 41, upper chamber air intake pipeline; 42, upper chamber air intake valve; 5, filter assembly; 51, U-shaped cavity seat; 511, connecting pipeline; 512, guide groove; 52, cavity cover; 53, U-shaped collection box; 531, vent hole; 532, collection Collecting cavity; 533, side plate; 534, guide block; 535, side sealing ring; 54, filter screen; 541, cavity one; 542, cavity two; 543, cavity three; 5431, filter element; 55, elastic part; 551, spring; 552, top block; 6, laminator; 61, upper chamber cavity; 62, lower chamber cavity; 7, lower chamber vacuum valve; 8, lower chamber vacuum pipe; 81, lower chamber air intake pipe; 82, lower chamber air intake valve. DETAILED DESCRIPTION

[0026] The following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0027] See also Figure 1-7 The utility model provides a vacuum pipeline structure for a laminator, including a vacuum pump 1 and a valve seat 2. The air inlet of the vacuum pump 1 is connected to a main pipeline 12 through a filter 11. The main pipeline 12 is connected to the valve seat 2. The upper surface of the valve seat 2 is provided with an upper chamber connecting port 21 and a lower chamber connecting port 22. The main pipeline 12, the upper chamber connecting port 21 and the lower chamber connecting port 22 are all interconnected through the valve seat 2. The upper end of the upper chamber connecting port 21 is fixedly connected to an upper chamber vacuum valve 3. The upper end of the upper chamber vacuum valve 3 is fixedly connected to an upper chamber vacuum pipeline 4. One side of the upper chamber vacuum pipeline 4 is penetrated and connected to an upper chamber air inlet pipeline 41. An upper chamber air intake valve 42 is fixedly connected to the upper chamber air intake pipe 41, one end of the upper chamber vacuum pipe 4 away from the upper chamber vacuum valve 3 is communicated with the upper chamber cavity 61 of the laminator 6, a filter assembly 5 is detachably connected in the middle of the upper chamber vacuum pipe 4, the upper end of the lower chamber connecting port 22 is fixedly connected to the lower chamber vacuum valve 7, the upper end of the lower chamber vacuum valve 7 is fixedly connected to the lower chamber vacuum pipe 8, one side of the lower chamber vacuum pipe 8 is connected through the lower chamber air intake pipe 81, the lower chamber air intake valve 82 is fixedly connected to the lower chamber air intake pipe 81, and the end of the lower chamber vacuum pipe 8 away from the lower chamber vacuum valve 7 is communicated with the lower chamber cavity 62 of the laminator 6;

[0028] The filter assembly 5 includes a U-shaped cavity seat 51, a cavity cover 52 and a U-shaped collecting box 53. The left and right sides of the U-shaped cavity seat 51 are penetrated by connecting pipes 511, and the connecting pipe 511 is flange-connected to the middle of the upper chamber vacuum pipe 4. The cavity cover 52 is fixedly connected to the upper end of the U-shaped cavity seat 51 by bolts. The U-shaped collecting box 53 is movably placed inside the U-shaped cavity seat 51. Vents 531 are penetrated on the left and right sides of the U-shaped collecting box 53. A collecting chamber 532 is provided inside the U-shaped collecting box 53 and below the vent 531. A filter screen 54 is fixedly connected inside the U-shaped collecting box 53.

[0029] The present invention effectively solves the problem of broken glass or other foreign matter entering the upper chamber cavity 61 when tempered glass explodes by adding a filter assembly 5 to the upper chamber vacuum duct 4. When an explosion occurs, the filter assembly 5 prevents broken glass or other foreign matter from entering the upper chamber cavity 61, thereby preventing pits from forming on the backplane of the solar cell module or even cutting the silicone plate. In this way, when handling the explosion, the staff only needs to clean the workbench of the lower chamber cavity 62, the filter 11 of the vacuum pump 1, and the filter assembly 5, without having to remove the silicone plate. This greatly reduces equipment downtime, improves equipment integrity, and ensures product yield.

[0030] Specifically, after an explosion occurs, broken glass or other foreign matter may pass through the lower chamber vacuum pipe 8 and the valve seat 2 into the upper chamber vacuum pipe 4, and then enter the U-shaped collection box 53 through the right connecting pipe 511 and the vent 531. After being blocked by the filter 54, the broken glass or other foreign matter will accumulate inside the collection chamber 532 (when the broken glass or other foreign matter enters the collection chamber 532 through the vent 531, the collection chamber 532 is lower than the vent 531, which can effectively prevent the broken glass or other foreign matter in the collection chamber 532 from flowing back). At this time, the staff can open the chamber cover 52 and then take out the U-shaped collection box 53 for cleaning.

[0031] It should be noted that, except for the filter assembly 5 , the other vacuum pipeline structures involved in this article all belong to the existing technology of the laminator 6 and will not be described in detail in this article.

[0032] Furthermore, two groups of filters 54 are provided. The size of the filter holes opened on the surface of the filter 54 on the left side is smaller than the size of the filter holes opened on the surface of the filter 54 on the right side. The two groups of filters 54 divide the interior of the U-shaped collection box 53 into cavity one 541, cavity two 542 and cavity three 543 from right to left.

[0033] Specifically, two sets of filters 54 with different pore sizes can filter broken glass or other foreign matter in batches, thereby improving the filtration effect. First, the right-side filter 54 is responsible for initially blocking larger particles of broken glass or foreign matter, which fall into cavity 1 541. Then, smaller particles of broken glass or foreign matter are further filtered through the left-side filter 54, and these smaller particles enter cavity 2 542.

[0034] Furthermore, the interior of cavity three 543 is filled with a filter element 5431.

[0035] Specifically, after being filtered through the two layers of filter screens 54, the air is then filtered through the filter element 5431, which can prevent impurities in the air from entering the upper chamber cavity 61, thereby ensuring the cleanliness of the upper chamber cavity 61. Preferably, the filter element 5431 can be made of activated carbon material. Since activated carbon has excellent adsorption properties, it can effectively remove tiny particles in the air and improve the filtering effect.

[0036] Furthermore, two sets of guide grooves 512 are provided on the front and rear sides of the interior of the U-shaped cavity seat 51, and the front and rear sides of the U-shaped collecting box 53 are fixedly connected with side panels 533. The side of the side panel 533 away from the U-shaped collecting box 53 is fixedly connected with two sets of guide blocks 534, and the guide blocks 534 are slidably connected to the inside of the corresponding guide grooves 512.

[0037] Specifically, when placing the U-shaped collection box 53 into the U-shaped cavity 51, the four sets of guide blocks 534 are inserted into the guide slots 512 on the corresponding side. The cooperation between the guide blocks 534 and the guide slots 512 ensures the accurate placement of the U-shaped collection box 53, simplifying the installation process. This design reduces the time required for positioning and installation, improving operational efficiency.

[0038] Furthermore, an elastic member 55 is connected to the inside of the guide groove 512 and below the guide block 534. The elastic member 55 includes a spring 551 and a top block 552. The lower end of the spring 551 is fixedly connected to the inner bottom surface of the guide groove 512, and the top block 552 is fixedly connected to the top of the spring 551. The top block 552 is slidably connected to the inside of the corresponding guide groove 512 and below the guide block 534.

[0039] Specifically, when the U-shaped collection box 53 needs to be removed, the cavity cover 52 only needs to be opened. At this time, the spring 551 generates an elastic force, which pushes the top block 552 up, thereby pushing the guide block 534 out of the guide groove 512, and indirectly lifting the U-shaped collection box 53, making it easier for the staff to take it out. At the same time, when installing the U-shaped collection box 53, after the cavity cover 52 is placed on the U-shaped cavity seat 51, the spring 551 is compressed. At this time, the spring 551 releases the vertical elastic force, so that the top of the U-shaped collection box 53 forms an elastic abutment with the lower surface of the cavity cover 52, thereby enhancing the sealing between the U-shaped collection box 53 and the cavity cover 52.

[0040] Furthermore, side sealing rings 535 are sandwiched between the left and right sides of the inner wall of the U-shaped cavity seat 51 and the left and right sides of the outer wall of the U-shaped collecting box 53 .

[0041] Specifically, the two sets of side sealing rings 535 can enhance the sealing between the U-shaped cavity seat 51 and the U-shaped collecting box 53 .

[0042] Furthermore, a sealing gasket is sandwiched between the cavity cover 52 and the U-shaped cavity seat 51 .

[0043] Specifically, the sealing gasket fills a small gap that may exist between the cavity cover 52 and the U-shaped cavity seat 51 .

[0044] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A vacuum pipeline structure for a laminating machine, characterized in that: The invention comprises a vacuum pump (1) and a valve seat (2), wherein the air inlet of the vacuum pump (1) is connected to a main pipe (12) through a filter (11), the main pipe (12) is connected to the valve seat (2), the upper surface of the valve seat (2) is provided with an upper chamber connection port (21) and a lower chamber connection port (22), the main pipe (12), the upper chamber connection port (21) and the lower chamber connection port (22) are all interconnected through the valve seat (2), the upper end of the upper chamber connection port (21) is fixedly connected to an upper chamber vacuum valve (3), the upper end of the upper chamber vacuum valve (3) is fixedly connected to an upper chamber vacuum pipe (4), one side of the upper chamber vacuum pipe (4) is penetrated and connected to an upper chamber air inlet pipe (41), the upper chamber air inlet pipe (41) An upper chamber air inlet valve (42) is fixedly connected to the upper chamber, one end of the upper chamber vacuum pipe (4) away from the upper chamber vacuum valve (3) is communicated with the upper chamber cavity (61) of the laminating machine (6), a filter assembly (5) is detachably connected in the middle of the upper chamber vacuum pipe (4), the upper end of the lower chamber connecting port (22) is fixedly connected to the lower chamber vacuum valve (7), the upper end of the lower chamber vacuum valve (7) is fixedly connected to the lower chamber vacuum pipe (8), one side of the lower chamber vacuum pipe (8) is connected to the lower chamber air inlet pipe (81), the lower chamber air inlet valve (82) is fixedly connected to the lower chamber air inlet pipe (81), and the end of the lower chamber vacuum pipe (8) away from the lower chamber vacuum valve (7) is communicated with the lower chamber cavity (62) of the laminating machine (6); The filter assembly (5) comprises a U-shaped cavity seat (51), a cavity cover (52) and a U-shaped collection box (53); the left and right sides of the U-shaped cavity seat (51) are both penetrated by connecting pipes (511); the connecting pipes (511) are flange-connected to the middle of the upper chamber vacuum pipe (4); the cavity cover (52) is fixedly connected to the upper end of the U-shaped cavity seat (51) by bolts; the U-shaped collection box (53) is movably placed inside the U-shaped cavity seat (51); the left and right sides of the U-shaped collection box (53) are both penetrated by vent holes (531); a collection chamber (532) is provided inside the U-shaped collection box (53) and below the vent holes (531); and a filter screen (54) is fixedly connected inside the U-shaped collection box (53); The filter screen (54) is provided in two groups. The filter holes on the surface of the filter screen (54) on the left side are smaller than the filter holes on the surface of the filter screen (54) on the right side. The two groups of filter screens (54) divide the interior of the U-shaped collection box (53) into cavity one (541), cavity two (542) and cavity three (543) from right to left. Two groups of guide slots (512) are provided on both the front and rear sides of the interior of the U-shaped cavity seat (51), and the front and rear sides of the U-shaped collecting box (53) are fixedly connected to side plates (533). Two groups of guide blocks (534) are fixedly connected to the side of the side plate (533) away from the U-shaped collecting box (53), and the guide blocks (534) are slidably connected to the interior of the corresponding guide slots (512). An elastic member (55) is connected to the interior of the guide slots (512) and below the guide blocks (534). The elastic member (55) includes a spring (551) and a top block (552). The lower end of the spring (551) is fixedly connected to the inner bottom surface of the guide slot (512), and the top block (552) is fixedly connected to the top end of the spring (551). The top block (552) is slidably connected to the interior of the corresponding guide slot (512) and below the guide block (534).

2. A laminating machine vacuum pipeline structure according to claim 1, characterized in that: The interior of the cavity three (543) is filled with a filter element (5431).

3. The vacuum pipeline structure of a laminating machine according to claim 1, characterized in that: Side sealing rings (535) are sandwiched between the left and right sides of the inner wall of the U-shaped cavity seat (51) and the left and right sides of the outer wall of the U-shaped collecting box (53).

4. The vacuum pipeline structure of a laminating machine according to claim 1, characterized in that: A sealing gasket is sandwiched between the cavity cover (52) and the U-shaped cavity seat (51).

Images