Multi-layer laminating machine

Abstract

A multi-layer laminating machine belongs to the technical field of plate lamination, and is characterized in that a plurality of repeated heating workpiece layers (2) are mounted between an upper cover body and a lower cover body (1) of the laminating machine, so that the low-cost multi-layer laminating machine is realized, the equipment weight is reduced by 80%, and the installed capacity is 50% of that of a traditional laminating machine.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of multi-layer laminating machine of plate. BACKGROUND

[0002] PVB laminated glass production equipment, currently domestic and foreign all adopt three-step process: constant temperature and humidity piece room piece, preheating rolling exhaust, install frame fixed, into autoclave hot pressing, entire production line electric power 200KW or so, workshop area 500M2 or so, under 1.2Mpa-1.4Mpa high pressure state production, great danger, large amount of manual, noise, high energy consumption.

[0003] EVA film laminated glass production equipment can be completed production by one-step process, but EVA laminated glass quality cannot reach PVB laminated glass quality, cannot become mainstream product, secondly, the equipment cannot produce qualified PVB film sandwich glass product.

[0004] Patent CN 200810017856.4 and patent 200810231854.5, although solve the process problem without autoclave, but, glass is loaded, unloading is very troublesome, need a large amount of time, need a large amount of manpower operation, low per shift yield, cannot meet production demand.

[0005] Solar cell module laminating machine, 2 layers of machine are simple single-layer superposition, equipment height is about 4 meters, cost is high, 4-10 layers of machine realize cost is very high, market is difficult to accept. SUMMARY

[0006] In order to solve the technical problems of the prior art, the present application provides a low-cost multi-layer laminating machine, which realizes a multi-layer laminating machine assembly line with 2-10 layers under the condition that the actual height is 1-1.7 meters, the equipment weight is reduced by 80%, the installed capacity is reduced by 70%, and the cost is reduced by 70%.

[0007] The present application provides a multi-layer laminating machine, comprising: a multi-layer laminating machine upper cover and lower cover body (1), and a plurality of repeated heating workpiece layers (2) and protective film layers (17) between the laminating machine upper cover and lower cover body (1), The heating workpiece layer (2) comprises a workpiece layer frame (3) and a rubber plate frame (8). The side surface of the workpiece layer frame (3) is uniformly inserted with an electric heating tube (4) and a vacuum air suction nozzle (21). The workpiece layer frame (3) is fixed with a sealing block (5) on the outside, and the electric heating tube (4) passes through the middle of the sealing block (5). The axis O type sealing ring (6) of the sealing block (5) seals the electric heating tube (4) and the sealing block (5) into a whole, the sealing block (5) and the electric heating tube (4) are perpendicular to the plane O type sealing ring (7) of the plane, the sealing block (5) is sealed into a whole through the plane O type sealing ring (7) and the outer side of the workpiece layer frame (3); The workpiece layer frame (3) is uniformly supported by the pipe (11) and the hole plate (12) on the inner side, the hole plate (12) is fixed on the upper and lower sides of the support pipe (11), the upper rubber plate (13) is fixed on the inner side of the upper part of the workpiece layer frame (3) and the sunken step, The upper surface of the upper rubber plate (13) is fixed with the air guide net (14), The lower rubber plate (9) is fixed on the inner side sunken step of the rubber plate frame (8), and the side of the rubber plate frame (8) is provided with a vacuum air suction nozzle; The upper surface of the rubber plate frame (8) is provided with a sealing strip (10), and the rubber plate frame (8) is sealed and connected into a whole through the sealing strip (10) and the workpiece layer frame (3); The protective film layer (17) is fixed under the heating workpiece layer (2) and directly contacts the upper surface of the workpiece (19), and the transmission belt (18) does not contact the upper surface of the workpiece (19); The outer part of the workpiece layer frame (3) is welded into a flat steel frame (16) by a flat steel, the thickness of the side of the flat steel frame (16) is 20mm or more, the holes are uniformly distributed on the long side of the flat steel frame (16), the electric heating tube (4) is inserted, the support pipe (11) is fixed on the inner side of the flat steel frame (16), the upper and lower sides of the support pipe (11) are fixed with the hole metal plate (12), the inner side of the flat steel frame (16) is processed with a sunken step, the pressing plate (15) is bolted with the upper rubber plate (13) and the air guide net (14), the height position of the support pipe (11) is fixed, and the surface of the air guide net (14) is flush with the upper surface of the flat steel frame (16).

[0008] The air guide net (14) is a mesh material coated with a four-fluorine material.

[0009] The protective film layer (17) is a heat-resistant film layer material. The plurality of electric heating layers (2) are stacked in the upper and lower cover bodies (1), and a lifting mechanism is arranged, so as to form a multi-layer laminating machine.

[0010] The protective film layer (17) is made of a high-temperature-resistant cloth or a four-fluorine-coated glass fiber cloth, the tightness of the installation is adjusted through the adjusting mechanism (20), and the adjusting mechanism (20) is fixed on the electric heating workpiece layer (2).

[0011] The application has the following beneficial effects: 1). The multi-layer laminating machine of the present application is used for stacking the heated workpiece layers (2) to form the multi-layer laminating machine, the heated workpiece layer (2) is a frame type, which replaces the solid thick steel plate, the weight of the heated workpiece layer (2) is 20% of the thick steel plate, the equipment weight is greatly reduced, and the processing cost of the thick steel plate is greatly reduced by 70%. 2). The heated workpiece layer (2) simultaneously provides heating for the upper and lower layers, saves half of the heating elements, and saves half of the installed capacity.

[0012] 3). The workpieces are simultaneously heated by radiation, the heating speed is the same, the glass deformation is small, and the problem of hidden cracking of the solar cell assembly during laminating is solved.

[0013] 4). The weight of the whole machine is greatly reduced by 80%, the lifting mechanism of the multi-layer laminating machine is simplified, and the cost is reduced. BRIEF DESCRIPTION OF DRAWINGS The present application will be further described below in combination with the drawings: Fig. 1 is a schematic view of the heated workpiece layer; Fig. 2 is a schematic view of the structure of the multi-layer laminating machine Fig. 3 is a schematic view of the sealing block Fig. 4 is a schematic view of the heated workpiece layer In the figure, 1 is the upper and lower cover body of the laminating machine, 2 is the heated workpiece layer, 3 is the workpiece layer frame, 4 is the electric heating tube, 5 is the sealing block, 6 is the shaft O-shaped sealing ring, 7 is the plane O-shaped sealing ring, 8 is the rubber plate frame, 9 is the lower rubber plate, 10 is the sealing strip, 11 is the support tube, 12 is the hole plate, 13 is the upper rubber plate, 14 is the air guide net, 15 is the pressing plate, 16 is the flat steel frame, 17 is the protective film layer, 18 is the transmission belt, 19 is the workpiece, and 20 is the adjusting mechanism.

[0014] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the present application will be further described below in combination with the specific embodiments.

[0015] As shown in Figs. 1 to 4 , the multi-layer laminating machine of the present application comprises a multi-layer laminating machine upper and lower cover body (1) and a plurality of repeated heated workpiece layers (2) and protective film layers (17) between the laminating machine upper and lower cover body (1), the heated workpiece layer (2) comprises a workpiece layer frame (3) and a rubber plate frame (8); the side surface of the workpiece layer frame (3) is uniformly inserted with the electric heating tube (4); The workpiece layer frame (3) is fixed with a sealing block (5) outside, the electric heating tube (4) passes through the middle of the sealing block (5), preferably, the diameter of the electric heating tube is more than 20 mm; The axis O-shaped sealing ring (6) of the sealing block (5) seals the electric heating tube (4) and the sealing block (5) into a whole, the sealing block (5) and the electric heating tube (4) are vertically sealed by the plane O-shaped sealing ring (7), the sealing block (5) is sealed into a whole with the outer side of the workpiece layer frame (3) by the plane O-shaped sealing ring (7), preferably, the material of the O-shaped ring is fluorosilicone rubber; The workpiece layer frame (3) is fixed with a sealing block (5) outside, the electric heating tube (4) passes through the middle of the sealing block (5), preferably, the diameter of the electric heating tube is more than 20 mm; The upper surface of the upper rubber plate (13) is fixed with a gas guide net (14), preferably, the gas guide net is a glass fiber grid belt coated with tetrafluoroethylene.

[0016] The lower rubber plate (9) is fixed at the inner side sunken step of the rubber plate frame (8); The upper surface of the rubber plate frame (8) is provided with a sealing strip (10), and the rubber plate frame (8) is sealed and connected into a whole with the workpiece layer frame (3) through the sealing strip (10); The protective film layer (17) is fixed under the heating workpiece layer (2) and directly contacts the upper surface of the workpiece (19), and the conveying belt (18) does not contact the upper surface of the workpiece (19); The workpiece layer frame (3) is welded into a flat steel frame (16) by a flat steel, the thickness of the side surface of the flat steel frame (16) is 20 mm or more, preferably, the thickness is 40 mm, and holes are uniformly arranged on the long side surface of the flat steel frame (16) and the electric heating tube (4) is inserted into the holes, The inner side of the flat steel frame (16) is fixed with uniformly distributed support pipes (11), preferably, the support pipes (11) are welded; the upper surface and the lower surface of the support pipes (11) are fixed with metal plates (12) with holes, preferably, the metal plates (12) are welded on the support pipes (11), the inner side of the flat steel frame (16) is processed with a sunken step, and the pressing plate (15) is bolted with the upper rubber plate (13) and the gas guide net (14); the height position of the support pipes (11) is preferably ensured to be flush with the surface of the gas guide net (14) and the upper surface of the flat steel frame (16).

[0017] The gas guide net (14) is a mesh material coated with tetrafluoroethylene material.

[0018] The protective film layer (17) is a heat-resistant film layer material, preferably, a glass fiber cloth coated with tetrafluoroethylene; The multiple electric heating workpiece layers (2) are stacked in the upper and lower cover bodies (1), and are matched with a lifting mechanism and a transmission mechanism. The upper cover is lowered, and the lower cover is fixed, or the lower cover is raised, and the upper cover is fixed, to form a sealed whole. Each heating workpiece layer is vacuumed and heated at the same time, and the multiple-layer laminating machine is constructed in the same way as a general laminating machine.

[0019] The protective film layer (17) is made of high-temperature-resistant cloth or fluorine-coated glass fiber cloth. The tightness of the installation is adjusted by the adjusting mechanism (20) fixed on the heating workpiece layer (2).

[0020] As a preferred embodiment of the present application, when laminating glass or battery assembly workpieces (19), the workpieces (19) enter the heating workpiece layers (2) through the transmission mechanism, and the lifting mechanism works. Preferably, the upper cover of the multiple-layer laminating machine is fixed, the lower cover is lowered, and the upper cover and the multiple heating workpiece layers (2) and the lower cover are sealed by the sealing strip (10) to form multiple sealed vacuum cavities. The workpiece layer frame (3) has a vacuum air outlet (21), and the rubber plate frame (8) also has a vacuum air outlet (22). Similar to the process of a general laminating machine, first, each sealed cavity is simultaneously vacuumed, the workpieces (19) are heated to a certain temperature, preferably 100°C, under vacuum conditions, the conversion program is switched, the vacuum air outlet (21) of the workpiece layer frame (3) is filled with air, the vacuum air outlet (22) of the rubber plate frame (8) continues to be vacuumed, the upper rubber plate (13) and the lower rubber plate (9) give the workpieces (19) a vacuum isostatic pressure, and the process is maintained for a certain period of time. The vacuum is closed, the vacuum air outlet (22) is filled with air, the upper cover and the multiple heating workpiece layers (2) are raised, and the laminating process of the workpieces (19) is completed.

[0021] As a preferred embodiment of the present application, the functions of the air guide net (14) above the upper rubber plate (13) are as follows: 1. improving the vacuum effect, especially in large-area cases, to ensure that the vacuum degree is basically the same everywhere, and 2. reducing the friction coefficient with the transmission belt, using fluorine-coated glass fiber mesh cloth.

[0022] As a preferred embodiment of the present application, the upper rubber plate (13) is fixed at the sunken step of the workpiece layer frame (3), which avoids the generation of hundreds of tons of pressure on the upper rubber plate (13) under the overall vacuum condition of the equipment, and greatly prolongs the service life of the upper rubber plate (13). The lower rubber plate (9) is similar.

[0023] As a preferred embodiment of the present application, the metal hole plate (12) is fixed on the upper and lower surfaces of the support pipe (11), which prevents the upper rubber plate (13) and the lower rubber plate (9) from being torn due to excessive stretching under vacuum conditions.

[0024] As a preferred embodiment of the present application, the protective film layer (17) prevents the transmission belt from sliding on the upper surface of the workpiece (19) of the workpiece layer (2) below when circulating, causing scratches on the surface of the workpiece (19), especially low-E glass workpieces.

[0025] As a preferred embodiment of the present application, the sealing block (5) functions to seal the electric heating tube (4) and the workpiece layer frame (3) into a whole, facilitating maintenance.

Claims

1. A multi-layer laminator comprising: a laminator upper and lower cover body (1), and a plurality of repeated heated workpiece layers (2) and protective film layers (17) between the laminator upper and lower cover body (1), characterized by: The heating workpiece layer (2) comprises a workpiece layer frame (3) and a rubber plate frame (8); the side surface of the workpiece layer frame (3) is uniformly inserted with an electric heating tube (4); the outer side of the workpiece layer frame (3) is fixed with a sealing block (5), the electric heating tube (4) passes through the middle of the sealing block (5); the sealing block (5) is provided with an O-shaped sealing ring (6) on the axis, the electric heating tube (4) and the sealing block (5) are sealed into an integral whole, the sealing block (5) is provided with a plane O-shaped sealing ring (7) which is perpendicular to the axis of the electric heating tube (4), the sealing block (5) is sealed into an integral whole with the outer side of the workpiece layer frame (3) through the plane O-shaped sealing ring (7); the inner side of the workpiece layer frame (3) is uniformly provided with a support tube (11) and a hole plate (12), the hole plate (12) is fixed on the upper surface and the lower surface of the support tube (11), the upper part of the workpiece layer frame (3) is fixed with an upper rubber plate (13), the upper rubber plate (13) is fixed on the sunken step on the inner side of the upper part of the workpiece layer frame (3); the side surface of the workpiece layer frame (3) is provided with a vacuum air suction nozzle (21); the upper surface of the upper rubber plate (13) is fixed with a gas guide net (14), the rubber plate frame (8) is fixed with a lower rubber plate (9) on the sunken step on the inner side of the rubber plate frame (8); the upper surface of the rubber plate frame (8) is provided with a sealing strip (10), the rubber plate frame (8) is sealed and connected into an integral whole with the workpiece layer frame (3) through the sealing strip (10); the side surface of the rubber plate frame (8) is provided with a vacuum air suction nozzle (22); a protective film layer (17) is fixed on the lower surface of the heating workpiece layer (2) and directly contacts with the upper surface of a workpiece (19), a transmission belt (18) does not contact with the upper surface of the workpiece (19).

2. A multi-layer laminator as claimed in claim 1, characterized in that: The outer part of the workpiece layer frame (3) is welded with a flat steel to form a flat steel frame (16), the side surface of the flat steel frame (16) has a thickness of 20 mm or more, the long side surface of the flat steel frame (16) is uniformly provided with holes, the electric heating tube (4) is inserted into the holes, the inner side of the flat steel frame (16) is fixed with the uniformly distributed support tube (11), the upper surface and the lower surface of the support tube (11) are fixed with the hole metal plate (12), the inner side of the flat steel frame (16) is processed with a sunken step, the pressing plate (15) is bolted with the upper rubber plate (13) and the gas guide net (14), the support tube (11) is fixed at a height position to ensure that the surface of the gas guide net (14) is flush with the upper surface of the flat steel frame (16).

3. A multi-layer laminator as claimed in claim 1, characterized in that: The gas guide net (14) is a mesh material coated with a four-fluorine material.

4. A multi-layer laminator as claimed in claim 1, characterized in that: The protective film layer (17) is made of a high-temperature-resistant cloth or a glass fiber cloth coated with a four-fluorine material, the tightness of the installation is adjusted through an adjusting mechanism (20), and the adjusting mechanism (20) is fixed on the electric heating workpiece layer (2).

5. A multi-layer laminator as claimed in claim 1, characterized in that: A plurality of electric heating workpiece layers (2) are stacked in the upper and lower cover bodies (1), a lifting mechanism is arranged, and a multi-layer laminating machine is formed.

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