Correcting device for mesh belt of sintering furnace

Abstract

The utility model discloses a sintering furnace mesh belt correcting device which comprises a base, supporting pieces are oppositely arranged on the upper surface of the base, the two supporting pieces are jointly connected with a rotating roller in a hole shaft fit mode, the two supporting pieces are jointly and fixedly connected with a sliding rail, the sliding rail is located on the upper portion of the rotating roller, the sliding rail is provided with two limiting pieces in a matched mode, and the sliding rail is provided with a linear through groove. A first threaded hole is formed in the top of the limiting piece, a bolt is matched with the first threaded hole and used in cooperation with the linear through groove, the limiting piece is in an inverted-L shape, a first roller is matched with a hole shaft of the lower surface of the top of the limiting piece and parallel to the rotating roller, and a second roller is matched with a hole shaft of the inner surface of the side vertical wall of the limiting piece and perpendicular to the rotating roller. The position of the mesh belt is limited through the limiting pieces on the two sides of the rotating roller, and therefore the purpose of preventing the mesh belt from deviating is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to solar cell production equipment technical field especially relates to the device that prevents sintering furnace mesh belt deviation. BACKGROUND

[0002] The sintering of solar cell is to make the metal electrode material and the surface of silicon piece react at high temperature, form alloy or compound, thereby reduce the resistance, improve the open circuit voltage and fill factor of solar cell, at the same time, the high temperature generated in the sintering process can also promote the hydrogen atom generated in the coating process to diffuse to the inside of the cell, which has good passivation effect on solar cell and improves the photoelectric conversion rate of solar cell.

[0003] In production, the sintering process is to lay the solar cell to be sintered on the mesh belt, then drive the mesh belt to move by rotating roller, thereby send the solar cell on the mesh belt into the sintering furnace for sintering, after sintering, the rotating roller continues to drive the mesh belt to move, thereby send the solar cell on the mesh belt out of the sintering furnace, but the mesh belt is easy to deviate on the rotating roller in the running process, which not only causes the solar cell to be stacked before completely drying and sintering, unevenly heated after entering the sintering furnace, reduces the conversion rate, increases the scrap rate and rework rate of solar cell, but also causes the mesh belt to idle, which disrupts the production rhythm and reduces the production efficiency. UTILITY MODEL CONTENTS

[0004] The sintering furnace mesh belt correction device solves the problem of increasing the scrap rate and rework rate of solar cell due to the deviation of mesh belt, and the idle of mesh belt, which reduces the production efficiency.

[0005] The specific technical scheme of the utility model is as follows:

[0006] A sintering furnace mesh belt correction device, including base, the upper surface of base is provided with support piece, two support pieces are connected with a rotating roller through common hole shaft cooperation, two support pieces are fixedly connected with a slide rail, the slide rail is located in the upper part of rotating roller, the slide rail is provided with two limit pieces, the slide rail is provided with linear through slot, the top of limit piece is provided with threaded hole one, the threaded hole one is matched with bolt, the bolt is matched with linear through slot, the limit piece is inverted L type, the top lower surface of limit piece is matched with roller one through common hole shaft cooperation, the roller one is parallel with rotating roller, the inner surface of side vertical wall of limit piece is matched with roller two through common hole shaft cooperation, the roller two is perpendicular to rotating roller.

[0007] Further, the lower surface of slide rail is provided with linear sliding groove, and the upper surface of limit piece is provided with sliding block matched with linear sliding groove.

[0008] Further, the linear sliding grooves are arranged on both sides of the linear sliding groove.

[0009] Further, the first and second rollers are made of rubber.

[0010] Further, the rotating rollers are arranged on both sides of the rotating rollers.

[0011] Further, the rotating rollers are arranged on both sides of the rotating rollers.

[0012] Further, the rotating rollers are arranged on both sides of the rotating rollers.

[0013] Further, the rotating rollers are arranged on both sides of the rotating rollers.

[0014] Further, the rotating rollers are arranged on both sides of the rotating rollers.

[0015] Further, the rotating rollers are arranged on both sides of the rotating rollers.

[0016] Compared with the prior art, the present application has the following advantages:

[0017] 1. In the sintering process, the mesh belt is laid on the rotating roller, and the position of the mesh belt on the rotating roller is limited by the limiting piece in the running process, so that the mesh belt is prevented from deviating in the running process and causing the solar cell sheet to be sintered unqualifiedly, the qualified rate of the product is improved, and the production rhythm is also avoided from being disturbed by the deviation of the mesh belt, and the production efficiency is improved.

[0018] 2. The rollers one and two arranged on the limiting piece can reduce the abrasion of the limiting piece to the mesh belt, reduce the equipment loss and reduce the production cost.

[0019] 3. When the mesh belt is running, the tensioning roller is arranged inside the mesh belt, the tensioning roller is in contact with the inner surface of the mesh belt, the height of the tensioning roller is controlled to adjust the slack degree of the mesh belt on the rotating roller, the mesh belt correcting device can be applicable to mesh belts with different lengths, and the practicability of the device is increased. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic view of the three-dimensional structure of the front part of the embodiment of the utility model;

[0021] Figure 2 It is a schematic view of the three-dimensional structure of the rear part of the embodiment of the utility model;

[0022] Figure 3 It is a schematic view of the three-dimensional structure of the base bottom in the embodiment of the utility model; Figure 2 It is a partial enlarged view of position A in the embodiment of the utility model;

[0023] Figure 4 It is a partial enlarged view of position B in the embodiment of the utility model; Figure 2 It is a partial enlarged view of position B in the embodiment of the utility model;

[0024] Figure 5 It is a schematic view of the three-dimensional structure of the base bottom in the embodiment of the utility model;

[0025] Figure 6 It is a schematic view of the three-dimensional structure of the limiting piece in the embodiment of the utility model;

[0026] Figure 7 It is a schematic view of the three-dimensional structure of the limiting piece bottom in the embodiment of the utility model;

[0027] Figure 8 It is a schematic view of the three-dimensional structure of the shaft in the embodiment of the utility model;

[0028] REFERENCE SIGNS:

[0029] 1. Base; 11. Supporting piece; 111. Supporting plate; 112. Reinforcing rib;

[0030] 2. Rotating roller;

[0031] 3. Slide rail; 31. Linear through slot; 32. Linear sliding slot;

[0032] 4. Limiting piece; 41. Threaded hole one; 42. Bolt; 43. Roller one; 44. Roller two; 45. Slide block;

[0033] 5. Limiting block; 51. Shaft hole one; 52. Shaft hole two;

[0034] 6. Shaft; 61. Face gear; 62. Hand wheel;

[0035] 7, threaded rod; 71, screwing part; 72, external gear;

[0036] 8, motor;

[0037] 9, support table; 91, limiting plate; 911, vertical sliding groove; 92, lifting piece; 921, connecting plate; 922, second threaded hole; 93, tensioning roller; 94, third shaft hole. DETAILED DESCRIPTION

[0038] In order to better understand the purpose, structure and function of the utility model, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings.

[0039] Referring to Figures 1 to 8 , the embodiment discloses a sintering furnace mesh belt correcting device, which comprises a base 1, the upper surface of the base 1 is provided with supporting pieces 11 in a relative manner, one rotating roller 2 is connected to the supporting pieces 11 in a common hole shaft matching manner, one sliding rail 3 is fixedly connected to the supporting pieces 11 in a common manner, the sliding rail 3 is located at the upper portion of the rotating roller 2, the sliding rail 3 is provided with two limiting pieces 4, the limiting pieces 4 are located at the two sides of the mesh belt in use, the sliding rail 3 is provided with a linear through groove 31, the top of the limiting piece 4 is provided with a first threaded hole 41, the first threaded hole 41 is matched with a bolt 42, the bolt 42 is matched with the linear through groove 31, the distance between the two limiting pieces 4 is adjusted by sliding the bolt 42 in the linear through groove 31, so as to cope with mesh belts of different widths, and the position of the limiting piece 4 is fixed by tightening the bolt 42, the position of the mesh belt is limited by the two limiting pieces 4, so that the mesh belt is prevented from deviating during operation, the limiting piece 4 is in the shape of inverted L, a roller one 43 is matched with the hole shaft at the top lower surface of the limiting piece 4, the roller one 43 is parallel to the rotating roller 2, the roller one 43 presses the upper surface of the mesh belt during operation of the mesh belt, a roller two 44 is matched with the inner surface hole shaft of the side vertical wall of the limiting piece 4, the roller two 44 is perpendicular to the rotating roller 2, the roller two 44 abuts against the side surface of the mesh belt during operation of the mesh belt, the friction between the limiting piece 4 and the mesh belt can be reduced by the roller one 43 and the roller two 44, and the wear of the mesh belt during operation is reduced.

[0040] The lower surface of the sliding rail 3 is provided with a linear sliding groove 32, the upper surface of the limiting piece 4 is provided with a sliding block 45 matched with the linear sliding groove 32, the linear sliding groove 32 is provided with two linear sliding grooves 32 located at the two sides of the linear through groove 31, and the cooperation between the linear sliding groove 32 and the sliding block 45 makes the sliding block 45 slide on the sliding rail 3 more smoothly and stably during adjustment of the limiting piece 4.

[0041] The materials of the roller one 43 and the roller two 44 are rubber, the rubber material has good wear resistance and will not cause excessive wear of the mesh belt.

[0042] The two sides of the rotating roller 2 are respectively provided with rotating shafts, one side of the support 11 is fixedly provided with a supporting plate 111, the supporting plate 111 is fixedly connected with a motor 8, the motor shaft of the motor 8 is fixedly connected with the rotating shaft of the rotating roller 2 through a shaft coupling, the motor 8 can provide power for the rotating roller 2, so that the rotating roller 2 becomes a driving rotating roller, when the net belt has a driving rotating roller, the shaft coupling can be disassembled, so that the rotating roller 2 becomes a driven rotating roller, the use scene of the net belt correcting device is increased, and the practicability of the device is improved.

[0043] The lower surface of the supporting plate 111 and the outer surface of the support 11 are provided with a reinforcing rib 112, the supporting strength of the supporting plate 111 is improved, the base of the motor 8 and the supporting plate 111 are provided with assembly holes, the motor 8 is fixedly connected to the supporting plate 111 through the cooperation of fasteners and assembly holes, and the motor 8 is convenient to disassemble and install.

[0044] A supporting table 9 is fixedly arranged on the upper surface of the base 1 and located at the front of the support 11, a limiting plate 91 is fixedly arranged on the upper surface of the supporting table 9, the limiting plate 91 is provided with a vertical sliding groove 911, a lifting piece 92 is arranged in the vertical sliding groove 911, one tension roller 93 is coaxially arranged on the two lifting pieces 92, a connecting plate 921 is fixedly arranged at the bottom of the lifting piece 92, the connecting plate 921 is provided with a second threaded hole 922, a threaded rod 7 is arranged in the second threaded hole 922, the supporting table 9 is provided with a third shaft hole 94 matched with the threaded rod 7, the third shaft hole 94 is connected with the threaded rod 7 through a deep groove ball bearing I, the outer ring of the deep groove ball bearing I is fixedly connected with the third shaft hole 94, and the inner ring is fixedly connected with the threaded rod 7, so that the threaded rod 7 can rotate in the third shaft hole 94 but cannot move, a screwing part 71 is arranged at the top of the threaded rod 7, the threaded rod 7 is screwed to adjust the height of the lifting piece 92, then the net belt is tensioned through the tension roller 93, the slack degree of the net belt on the rotating roller 2 is adjusted, different lengths of the net belt can be coped with, and the practicability of the net belt correcting device is improved.

[0045] A limiting block 5 is fixedly arranged on the upper surface of the base 1 and located at the bottom of the supporting table 9, the limiting block 5 is in an inverted L shape, a first shaft hole 51 is arranged on the side vertical wall of the limiting block 5, a shaft rod 6 is arranged in the first shaft hole 51, a second shaft hole 52 matched with the threaded rod 7 is arranged on the upper portion of the limiting block 5, the bottom of the threaded rod 7 passes through the second shaft hole 52 and the third shaft hole 94 and is fixedly connected with an external gear 72, the shaft rod 6 is provided with a face gear 61 matched with the external gear 72, a hand wheel 62 is fixedly arranged at the top end of the shaft rod 6, the hand wheel 62 is rotated, the external gear 72 is engaged with the face gear 61, the rotation of the threaded rod 7 is controlled, the height of the lifting piece 92 is adjusted, and the operation is more convenient.

[0046] The shaft hole two 52 is connected with the threaded rod 7 through the deep groove ball bearing one, the outer ring of the deep groove ball bearing one is fixedly connected with the shaft hole two 52, the inner ring is fixedly connected with the threaded rod 7, so that the threaded rod 7 can rotate but cannot move in the shaft hole two 52, the shaft hole one 51 is connected with the shaft rod 6 through the deep groove ball bearing two, the outer ring of the deep groove ball bearing two is fixedly connected with the shaft hole one 51, the inner ring is fixedly connected with the shaft rod 6, so that the shaft rod 6 can rotate but cannot move in the shaft hole one 51, and the stability of operation is increased.

[0047] In the sintering process, the mesh belt is laid on the rotating roller 2, the distance between the two limit members 4 is adjusted to be the same as the width of the mesh belt, the bolt 42 is screwed, and the position of the limit member 4 is fixed. In the running process of the mesh belt, the position of the mesh belt on the rotating roller 2 is limited by the limit member 4, so that the mesh belt is prevented from deviating in the running process. The roller one 43 and the roller two 44 arranged on the limit member 4 can reduce the wear of the mesh belt by the limit member 4. When the mesh belt runs, the tensioning roller 93 is arranged inside the mesh belt, so that the tensioning roller 93 is in contact with the inner surface of the mesh belt. The height of the tensioning roller 93 is controlled to adjust the slack degree of the mesh belt on the rotating roller 2, so that the mesh belt correcting device can be suitable for mesh belts of different lengths. Whether the motor 8 and the rotating shaft of the rotating roller 2 are connected is controlled through the shaft coupling, so that the driving and driven modes of the rotating roller 2 are changed.

[0048] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A sintering furnace mesh belt correction device, characterized by: Including base (1), the upper surface of base (1) is provided with support (11) relative, two support (11) common hole shaft matching connection has a rotating roller (2), two support (11) common fixed connection has a slide rail (3), the slide rail (3) is located in the upper portion of rotating roller (2), the slide rail (3) is equipped with two limit piece (4), the slide rail (3) is provided with linear through slot (31), the top of limit piece (4) is provided with threaded hole one (41), threaded hole one (41) is matched with bolt (42), bolt (42) is matched with linear through slot (31), limit piece (4) is inverted L type, its top lower surface hole shaft matching has gyro wheel one (43), gyro wheel one (43) is parallel with rotating roller (2), the inner surface hole shaft matching of limit piece (4) side vertical wall has gyro wheel two (44), gyro wheel two (44) is perpendicular to rotating roller (2).

2. The sintering furnace mesh belt correction device according to claim 1, characterized in that, The lower surface of slide rail (3) is provided with linear sliding slot (32), and the upper surface of limit piece (4) is provided with sliding block (45) matched with linear sliding slot (32).

3. The sintering furnace mesh belt correction device according to claim 2, characterized in that, The linear sliding slot (32) is provided with two, which are located on both sides of the linear through slot (31).

4. The sintering furnace mesh belt correction device according to claim 1, characterized in that, The gyro wheel one (43) and gyro wheel two (44) are made of rubber.

5. The sintering furnace mesh belt correction device according to claim 1, characterized in that, The two side vertical surfaces of rotating roller (2) are respectively provided with rotating shafts.

6. The sintering furnace mesh belt correction device according to claim 5, characterized in that, The side outer vertical surface of support (11) is fixedly provided with a supporting plate (111), and the motor (8) is fixedly connected to the supporting plate (111).

7. The sintering furnace mesh belt correction device according to claim 6, characterized in that, The lower surface of supporting plate (111) and the outer vertical surface of support (11) are provided with reinforcing ribs (112), and the base of motor (8) and the supporting plate (111) are provided with assembly holes.

8. The sintering furnace mesh belt correction device according to claim 1, characterized in that, A supporting table (9) is fixedly arranged on the upper surface of base (1) and located at the front of support (11), and a limiting plate (91) is fixedly arranged on the upper surface of supporting table (9) in opposite relation, the limiting plate (91) is provided with a vertical sliding slot (911), and a lifting piece (92) is arranged in the vertical sliding slot (911), two lifting pieces (92) are commonly provided with a tension roller (93) in hole shaft matching, the bottom of lifting piece (92) is fixedly provided with a connecting plate (921), the connecting plate (921) is provided with a threaded hole two (922), the threaded hole two (922) is matched with a threaded rod (7), the supporting table (9) is provided with a shaft hole three (94) matched with the threaded rod (7), the shaft hole three (94) is connected with the threaded rod (7) through deep groove ball bearing one, and the top of threaded rod (7) is provided with a screwing part (71).

9. The sintering furnace mesh belt correction device according to claim 8, characterized in that, On the upper surface of the base (1) and at the bottom of the support table (9), a limiting block (5) is oppositely fixed, the limiting block (5) is inverted L-shaped, a shaft hole one (51) is arranged on the vertical wall of the limiting block (5), a shaft rod (6) is arranged in the shaft hole one (51), an upper part of the limiting block (5) is provided with a shaft hole two (52) matched with the threaded rod (7), the bottom of the threaded rod (7) passes through the shaft hole two (52) and a shaft hole three (94) and is fixedly connected with an external gear (72), the shaft rod (6) is provided with a face gear (61) matched with the external gear (72), and a hand wheel (62) is fixedly arranged on the top end of the shaft rod (6).

10. The sintering furnace mesh belt correction device according to claim 9, characterized in that, The shaft hole two (52) is connected with the threaded rod (7) through a deep groove ball bearing one, and the shaft hole one (51) is connected with the shaft rod (6) through a deep groove ball bearing two.

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