CN214226934U - Rubber plate pressing type laminating machine - Google Patents

Abstract

The utility model provides a rubber plate press against the deficiency that the rubber plate is clamped and fixed by the upper cover and the lower press frame to prevent the rubber plate from drooping and interfering with the workpiece to influence the transmission of the workpiece to the next process step when the cover is opened and the vacuumization is needed after the lamination is finished in order to prevent the rubber plate from drooping and the workpiece from interfering in the cover opening process, the rubber plate press against the upper cover comprises a workbench, the upper cover, the lower press frame and the rubber plate, the lower press frame is correspondingly arranged below the upper cover, the rubber plate is coated at the lower end of the upper cover, the lower press frame, the workbench and the rubber plate form a sealed lower cavity when the workbench and the upper cover are closed, the rubber plate press against the upper cover provided by the utility model is adopted, the tensioning degree of the rubber plate is convenient to adjust, the operation is simple, the rubber plate can loosely cover the workpiece and the lower press frame, and the workpiece and the lower press frame can also be covered under the tensioning state or under the semi-tensioning state after the tensioning by the tensioning device, the process can be conveniently adjusted according to different machine types and different workpieces, and the process adaptability is strong.

Description

Rubber plate pressing type laminating machine

Technical Field

The utility model relates to a solar cell lamination equipment technical field, in particular to slab pressing formula laminator.

Background

Among the prior art, the laminator includes upper cover, offset plate and pushes down the frame, and the four peripheral parts of upper cover are provided with the pressure frame on, press the frame and push down the frame through last and fix the offset plate on the upper cover, press the frame and push down the frame and pass through the active grab fixed connection and become integrative, when the upper cover was opened and was closed, push down frame and upper cover simultaneous movement. Because the offset plate sets up between upper cover and the lower pressure frame, consequently, the four sides of offset plate are pressed frame and lower pressure frame clamp fastening and are fixed on, form sealed epicoele and lower chamber between offset plate and the upper cover, close the lid back offset plate, lower pressure frame and workstation and form sealed lower cavity, and during the lamination, solar module is located lower cavity. During lamination, the solar cell module needs to be heated through the workbench in order to improve the quality of the solar cell module, and the rubber plate is heated to generate thermal expansion in the heating process. For a small-sized laminating machine, because the area of the rubber plate is small, the quick clamp and the upper and lower pressing frames can well fix the rubber plate, and although the rubber plate can deform due to thermal expansion, the rubber plate cannot be subjected to telescopic displacement or has little telescopic displacement. Along with the continuous increase of laminator specification, the area of offset plate also crescent, the offset plate area has increased nearly twice, the heat volume that rises of glued membrane increases thereupon, the active grab with on, push down the frame can not be with its fine centre gripping and remain stable, lead to the offset plate constantly to rise outward, thereby produce the displacement, because the offset plate is still fixed by last frame and push down the frame when taking place the displacement, offset plate and top board and lower pressure plate can produce the friction during consequently displacement, cause the offset plate wearing and tearing, even break, influence the life of offset plate.

In addition, all plywood type laminators on the market at present, because the plywood is clamped and fixedly connected by the upper cover and the lower pressing frame, the plywood is always in a clamped state, in order to avoid that the plywood can not be separated from the transmission table top caused by the sagging of the plywood after the lamination is finished, a vacuum pump needs to be started to vacuumize an upper cavity formed by the plywood and the upper cover after the lamination is finished every time, so that negative pressure is formed in the upper cavity, the adsorption plywood is attached to the inner wall of the upper cover, and the space required by workpiece transmission is saved, therefore, the times of up-and-down actions of the plywood are increased, the fatigue of the plywood is increased, and the service life of the plywood is also shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a, to prior art, because laminator upper cover and push down frame fixed connection are an organic whole, the offset plate is fixed by upper cover and push down frame clamping, for preventing that the offset plate is flagging when uncapping to produce with the work piece and interfere the influence work piece and need finish the not enough of evacuation at the lamination, provide a offset plate pressure formula laminator.

The utility model aims at realizing through the following technical scheme:

a rubber plate pressing type laminating machine, which comprises a workbench, an upper cover, a lower pressing frame and a rubber plate, wherein the lower pressing frame is correspondingly arranged below the upper cover, the rubber plate is covered on the lower end of the upper cover, the lower pressing frame, the workbench and the rubber plate form a sealed upper cavity and a sealed lower cavity when the workbench and the upper cover are closed, at least two opposite side frames of the lower pressing frame are respectively movably connected with the upper cover up and down through a pressing frame connecting device, under the action of the pressing frame connecting device, the upper cover and the lower pressing frame generate linear displacement until the gap reaches the maximum or disappears, the four edges of the rubber plate are respectively and correspondingly provided with a tensioning device, the tensioning degree of the rubber plate is adjusted by the tensioning devices, when the laminating machine is in a non-cover closing state, a gap is formed between the lower pressing frame and the lower surface of the rubber plate, and the up-down movable distance of the lower pressing frame is smaller than the difference between the stroke of the upper cover and the thickness of the workpiece;

the pressing frame connecting device comprises a telescopic rod, a connecting plate and a limiting piece, the connecting plate is positioned at the edge of the upper cover, the upper end of the telescopic rod is movably connected with the connecting plate in an up-down adjustable mode, the lower end of the telescopic rod is connected with the lower pressing frame, the limiting piece is arranged at the upper end of the telescopic rod and positioned above the connecting plate, and the up-down movable distance of the telescopic rod is smaller than the thickness difference between the stroke of the upper cover of the laminating machine and the solar cell module;

the telescopic rod is a rigid U-shaped rod, a plurality of hooks with downward concave parts are arranged on the lower pressing frame, and the hooks are hung at the U-shaped bottom of the lower end of the telescopic rod;

a through hole is formed in the connecting plate and corresponds to the telescopic rod, the diameter of the through hole is larger than that of the telescopic rod, at least the upper end of the telescopic rod is provided with a thread, the limiting piece adopts a nut, and the telescopic rod penetrates through the through hole and is connected with the upper cover of the laminating machine in a threaded manner to realize movable connection between the pressing frame and the upper cover up and down;

the tensioning device comprises a tensioning driver, a clamping device and a connecting piece, the clamping device is fixedly connected with the edge of the rubber plate, the output end of the tensioning driver is connected with the clamping device through the connecting piece, the clamping device comprises a clamping plate and a cross beam, the clamping plate is fixed on the cross beam through a bolt, the edge of the rubber plate is positioned between the clamping plate and the cross beam, and the edge of the rubber plate is clamped and fixed through the clamping plate, the cross beam and the bolt;

the tensioning driver adopts a cylinder, the connecting piece is a steel wire rope or a cable, the cylinder is fixedly arranged on the upper cover of the laminating machine, and the output end of the cylinder is fixedly connected with the cross beam through the steel wire rope or the cable;

the telescopic rod is a rigid U-shaped rod with a straight rod at the bottom.

By adopting the rubber plate pressing type laminating machine provided by the utility model, the lower pressing frame is movably connected with the upper cover up and down through the pressing frame connecting device, and a gap is formed between the lower surfaces of the lower pressing frame and the rubber plate in the non-cover closing state of the laminating machine, the tensile force of the rubber plate can be adjusted in the opening process of the upper cover, and the rubber plate is prevented from sagging in the cover opening process, so the step of vacuumizing the upper cavity before the cover is opened can be omitted, the process flow can be reduced, the energy can be saved, and the working efficiency can be improved; in addition, by adopting the structure of the utility model, the tensioning force of the rubber plate can be adjusted at any time under the state of not closing the cover, the tensioning degree of the rubber plate can be adjusted at any time according to the process requirement, the tensioning degree of the rubber plate is convenient to adjust, and the operation is simple; additionally, adopt the utility model discloses the structure, offset plate can loosely cover the work piece and push down the frame, also can cover the work piece and push down the frame under tensioning state or half tensioning state through the overspeed device tensioner tensioning back, conveniently adjusts technology, technological strong adaptability with regard to different models, different work pieces.

Drawings

FIG. 1 is a schematic cross-sectional view of a main view of a plate-type laminator according to the present invention;

fig. 2 is a schematic top view of the pressing frame in fig. 1.

Fig. 3 is a left side view of the telescopic rod of fig. 1.

Description of the reference numerals

1. An upper cover; 11. pressing the frame upwards; 2. a tensioning device; 21. a cylinder; 22. a wire rope; 23. a rotating wheel; 24. a clamping plate; 25. a bolt; 26. a cross beam; 3. a press frame connecting device; 31. a telescopic rod; 32. a nut; 33. a connecting plate; 4. pressing the frame downwards; 41. a frame; 42. hooking; 5. and (5) a rubber plate.

Detailed Description

The invention will be further described with reference to specific embodiments:

as shown in fig. 1-3, the utility model provides a plywood presses formula laminator, including laminator upper cover 1, push down frame 4, offset plate 5, pressure frame connecting device 3 and overspeed device tensioner 2, push down frame 4 and correspond the setting in the below of laminator upper cover 1, offset plate 5 sets up between laminator upper cover 1 and push down frame 4. The frame pressing connecting device 3 may be provided on four sides of the laminator upper cover 1, or may be provided on two opposite sides of the laminator upper cover 1. Pressing frame connecting device 3 includes telescopic link 31, connecting plate 33 and locating part, and the vertical setting of telescopic link 31, telescopic link can be linear type or U type, can set up a plurality of telescopic links in each side when being the linear type, and every telescopic link lower extreme is connected with the frame that pushes down respectively, and the upper end is through connecting plate and upper cover displacement swing joint down. Preferably, the telescopic rod 31 is arranged in a U shape, the upper end of the U-shaped opening is movably connected with the connecting plate in an up-and-down moving mode, and the lower end of the U-shaped opening is connected with the lower pressing frame. Preferably adopt following structure, adopt U type telescopic link, the U type bottom of telescopic link 31 is the horizontal pole, sets up a plurality of couples 42 in the outside of pushing down frame 4, and couple 42 opening sets up downwards, and the opening width is greater than the diameter of telescopic link 31, and U type telescopic link articulates through horizontal pole and couple 42 with pushing down frame 4 and is connected. The upper cover is provided with a connecting plate 33 corresponding to the telescopic rod, the connecting plate 33 is provided with a through hole with the diameter larger than that of the telescopic rod 31, the upper end of the telescopic rod 31 penetrates through the through hole, and the limiting part is used for limiting to realize movable connection in an up-and-down movement mode. The nut 32 can be used as a limiting part, and the nut 32 is arranged above the connecting plate 33 and is in threaded connection with the telescopic rod 31, so that the upper end of the telescopic rod is movably connected with the connecting plate. When the upper cover 1 of the laminating machine is closed, the distance between the lower pressing frame and the upper cover is minimum, a gap is formed between the lower end of the nut 32 and the upper end face of the connecting plate 33, the gap value is smaller than the difference value between the stroke of the upper cover 1 of the laminating machine and the thickness of the solar cell module, so that after the upper cover is completely opened, a gap is formed between the rubber plate and the lower pressing frame, and meanwhile, the rising height of the lower pressing frame is higher than the thickness of the solar cell module, so that the transmission of workpieces is prevented from being influenced. Of course, the movable connection structure of the telescopic rod 31 and the upper cover 1 of the laminating machine can also adopt the following structure: the open end of the U-shaped telescopic rod is provided with a cross rod, namely, the telescopic rod 31 is rectangular, and the upper cross rod is adopted to replace a nut as a limiting part.

The tensioning device 2 is arranged corresponding to the four frames 41 of the lower pressing frame 4, and the tension degree of the rubber plate is adjusted through the tensioning device. The tensioning device can adopt a structure that the tensioning device comprises a tensioning driver, a clamping device and a connecting piece, wherein the tensioning driver can adopt a power device such as an air cylinder, an electric cylinder, a servo cylinder and the like, and preferably adopts an air cylinder. The cylinder is horizontally and fixedly arranged above the upper cover 1 of the laminating machine. The clamping devices are respectively arranged on four sides of the upper cover 1 of the laminating machine, each clamping device comprises a clamping plate 24 and a cross beam 26, and the cross beams 26 are arranged in parallel with the edges of the rubber plates 5. The clamping plate is arranged on the outer side of the cross beam 26, the clamping plate is preferably U-shaped, the opening of the U-shaped clamping plate faces the cross beam 26, two side wall plates of the U-shaped clamping plate are preferably arranged up and down, and the clamping plate is fixedly connected with the cross beam through a bolt 25. The edge of the rubber sheet 5 is positioned between the clamping plate and the cross beam 26, and the edge of the rubber sheet 5 is clamped and fixed by the clamping plate 24, the cross beam 26 and the bolt. The connecting piece is preferably a flexible piece, such as a steel wire rope, a chain and the like, preferably a steel wire rope 22, one end of the steel wire rope 22 is connected with the output end of the air cylinder, and the other end of the steel wire rope is fixedly connected with the upper end of the cross beam 26. A rotating wheel 23 for changing the conveying direction of the steel wire rope 22 is further arranged on the upper cover 1 of the laminating machine, so that the steel wire rope 22 is changed from horizontal conveying to vertical conveying.

Adopt the utility model discloses the laminator of structure can adjust the tensile force of offset plate as required, only need not close the state of lid under the adjustment can, for example at the in-process tensioning offset plate that uncaps, or at the in-process slack offset plate etc. that closes the lid.

The process can be adopted, and the rubber plate is tensioned by the tensioning device to reduce the sagging amount of the rubber plate when the lamination is finished and the cover is opened.

The optimized laminating process can be adopted, when in laminating, the lower pressing frame 4 moves downwards along with the upper cover 1 of the laminating machine, the output end of the air cylinder extends outwards while the upper cover 1 of the laminating machine moves downwards, the clamping device moves downwards to enable the rubber plate 5 to be loosened, the lower pressing frame 4 reaches the workbench and is supported by the workbench, the rubber plate 5 is loosely covered on the lower pressing frame 4 and simultaneously covered on a workpiece, and the upper cover 1 of the laminating machine presses downwards on the lower pressing frame 4 to realize closing. The rubber plate covers on the workpiece under the action of no external tension, during lamination, the upper cavity is inflated, the rubber plate is pressed and expanded, the rubber plate applies pressure to the workpiece, after lamination is finished, the upper cover 1 of the laminating machine moves upwards, meanwhile, the output end of the air cylinder retracts, the clamping device moves upwards, the rubber plate 5 is tensioned, and due to the fact that a gap is formed between the limiting part and the connecting plate, the upper cover cannot drive the lower pressing frame to move together when the upper cover starts to move upwards, a gap is formed between the rubber plate and the lower pressing frame, when the upper cover moves to the position that the connecting plate is in contact with the limiting part, the upper cover drives the lower pressing frame 4 to move upwards, the lower pressing frame leaves the workbench, the lower surface of the lower pressing frame is higher than the upper surface of the solar cell component after the lower pressing frame 4 rises, then the solar cell component is transmitted to the next process from the workbench, and an operation flow is completed. In the process, the rubber plate is tensioned due to the action of the tensioning device when the upper cover moves upwards, so that the rubber plate can also be separated from the workpiece to move upwards along with the upward movement of the upper cover, and cannot be dragged to the surface of the workpiece due to the expansion and elongation of the rubber plate caused by heating. Adopt the utility model discloses the method can uncap after bleeding the epicoele, better, finishes uncapping under the still inflated state of epicoele to the lamination after the cavity of resorption evacuation. After lamination, the cover is opened in the state that the upper cavity is inflated, and the upper cavity does not need to be exhausted, so that the frequency of exhausting is reduced, the efficiency is increased, the energy is saved, the production cost is reduced, and the production efficiency is improved.

The embodiment of the utility model provides a laminator of structure, adopt down to reciprocate swing joint between frame and the upper cover, the clearance has between frame and the upper cover down when the upper cover is in the open mode, therefore, the lamination finishes, the workstation can be left in advance to the upper cover after uncapping, and the frame is temporarily motionless down, make and push down and produce the clearance between frame and the offset plate, the offset plate can freely extend after the thermal expansion because of being heated, do not receive the pressure effect of pushing down the frame, effectively avoid the extrusion of pressing frame and upper cover to the harmful effects of offset plate life-span production, make offset plate shrink tensioning can make the offset plate break away from work piece and workstation fast through overspeed device, do benefit to the work piece and transmit as early as possible.

Adopt the utility model discloses, because before aerifing the offset plate is in the slack state, loosely cover in the work piece top, when aerifing the epicoele, can fill into more gas and not burst, the pressure range when can extending the lamination, be favorable to the increase of the volume of laminator, unexpected effect has been gained, when uncapping, by the overspeed device tensioner tensioning, prevent that the offset plate from arousing flagging because of the thermal expansion, make the offset plate break away from the work piece fast, be favorable to reducing the stroke of uncapping, practice thrift the time of uncapping.

Claims (7)

1. A laminated laminator for rubber plates comprises a workbench, an upper cover (1), a lower pressing frame (4) and a rubber plate (5), wherein the lower pressing frame (4) is correspondingly arranged below the upper cover (1), the rubber plate (5) is coated at the lower end of the upper cover (1), the upper cover, the lower pressing frame, the workbench and the rubber plate form a sealed upper cavity and a sealed lower cavity when the workbench and the upper cover are closed, the laminated laminator is characterized in that at least two opposite frames (41) of the lower pressing frame (4) are respectively movably connected with the upper cover (1) up and down through a pressing frame connecting device (3), when the upper cover moves up or down, linear displacement is generated between the upper cover and the lower pressing frame under the action of the pressing frame connecting device until the gap reaches the maximum or disappears, four edge parts of the rubber plate (5) are respectively and correspondingly provided with tensioning devices (2), and the tensioning degree of the rubber plate is adjusted by the tensioning devices, when the laminating machine is in a non-cover closing state, a gap is formed between the lower pressing frame and the lower surface of the rubber plate, and the up-down movable distance of the lower pressing frame is smaller than the difference between the stroke of the upper cover and the thickness of the workpiece.

2. The laminator according to claim 1, wherein the frame connecting device (3) includes a telescopic rod (31), a connecting plate (33), and a limiting member, the connecting plate (33) is located at an edge of the upper cover (1), an upper end of the telescopic rod (31) is movably connected to the connecting plate (33) in an up-and-down adjustable manner, a lower end of the telescopic rod is connected to the lower frame (4), the limiting member is disposed at an upper end of the telescopic rod (31) above the connecting plate (33), and an up-and-down movable distance of the telescopic rod is smaller than a thickness difference between a stroke of the upper cover (1) of the laminator and a thickness of the solar cell module.

3. The laminator according to claim 2, wherein the telescopic rod (31) is a rigid U-shaped rod, the lower frame (4) is provided with a plurality of hooks (42) with downward concave portions, and the hooks (42) are hooked on the U-shaped bottom of the lower end of the telescopic rod (31).

4. The platen laminator according to claim 2, wherein a through hole is formed in the connecting plate (33) at a position corresponding to the telescopic rod (31), the diameter of the through hole is larger than that of the telescopic rod (31), at least the upper end of the telescopic rod (31) is provided with a screw thread, the limiting member is a nut (32), and the telescopic rod (31) passes through the through hole and is in threaded connection with the nut to realize movable connection between the pressing frame and the upper cover.

5. The laminator according to claim 1, wherein the tensioning device (2) comprises a tensioning actuator, a clamping device and a connecting member, the clamping device is fixedly connected to the edge of the plastic sheet (5), the output end of the tensioning actuator is connected to the clamping device through the connecting member, the clamping device comprises a clamping plate (24) and a cross member (26), the clamping plate (24) is fixed to the cross member (26) through a bolt (25), the edge of the plastic sheet (5) is located between the clamping plate (24) and the cross member (26), and the edge of the plastic sheet (5) is clamped and fixed through the clamping plate (24), the cross member (26) and the bolt.

6. The laminator according to claim 5, wherein the tensioning actuator is a pneumatic cylinder (21), the connecting member is a wire rope or a cable, the pneumatic cylinder (21) is fixedly disposed on the upper cover (1) of the laminator, and the output end of the pneumatic cylinder (21) is fixedly connected to the cross member (26) through the wire rope (22) or the cable.

7. A laminator according to claim 3, wherein said telescopic rods (31) are rigid U-shaped rods with straight rods at the bottom.

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