CN220921396U

CN220921396U - Welding fixture for silicon crystal battery piece

Info

Publication number: CN220921396U
Application number: CN202322680157.0U
Authority: CN
Inventors: 方林春; 刘合利; 焦得峰
Original assignee: Fuzhou Shanghong Photovoltaic Energy Co ltd
Current assignee: Fuzhou Shanghong Photovoltaic Energy Co ltd
Priority date: 2023-10-08
Filing date: 2023-10-08
Publication date: 2024-05-10
Anticipated expiration: 2033-10-08

Abstract

The utility model relates to the technical field of battery piece welding, and discloses a welding fixture for a silicon crystal battery piece, which comprises a workbench; through the cooperation between movable fixture, drive screw and the roll adjustment hand wheel, pulling second carrying handle makes second splint extrusion second spring, thereby make second splint and activity welding bench separation, and place the battery piece on the activity welding bench, slowly loosen the second carrying handle, make the surface of second buffering cushion conflict battery piece, the same reason is to the repeated operation of mounting fixture, thereby accomplish the location of treating the welded battery piece, staff rotates roll adjustment hand wheel drive screw, thereby make the screw and the screw thread through-hole connection of movable block, drive the activity welding bench and be close to the fixed welding bench, thereby make two sets of battery pieces of waiting to weld inconsistent, accomplish the welding work to the battery piece, stability when having improved the battery piece welding, avoid the rigidity centre gripping to damage the battery piece, improve the integrality of battery piece.

Description

Welding fixture for silicon crystal battery piece

Technical Field

The utility model relates to the technical field of battery piece welding, in particular to a welding fixture for a silicon crystal battery piece.

Background

Regarding a semiconductor silicon wafer, it is first to be understood that silicon wafer, which is a gray, fragile, tetravalent nonmetallic chemical element, 27.8% of crust component is composed of silicon element, and secondly oxygen element, silicon is the most abundant element in nature, the resistivity of silicon is precisely controlled by adding appropriate dopants, silicon wafer is generally classified into monocrystalline silicon, polycrystalline silicon, and amorphous silicon monocrystalline silicon solar cells, which are the fastest currently developed solar cells, whose construction and production processes have been set, and products have been widely used in space and ground;

the connection between the battery pieces is accomplished by means of a welding process mostly, the battery pieces are placed on an operation platform mostly in the welding process of the existing battery pieces, then a welder presses the battery pieces by one hand, and the other hand operates a welding gun to weld, so that the battery pieces are easy to shake in the welding process, the welding effect can be affected, the working strength is greatly increased, and therefore the welding fixture of the silicon crystal battery pieces is required to be provided.

Disclosure of utility model

The utility model aims to provide a welding fixture for a silicon crystal battery piece, which is used for flexibly fixing the battery piece, reducing the influence of rigid fixation on the battery piece, improving the integrity of the battery piece, facilitating the fixing of the battery piece, improving the stability of welding among the battery pieces, avoiding the position deviation of the battery piece during welding, improving the welding quality and the use efficiency of the battery piece, and solving the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the welding fixture for the silicon crystal battery piece comprises a workbench, wherein the upper surface of the workbench is fixedly connected with a fixed fixture, and the upper surface of the workbench is slidably connected with a movable fixture;

The movable clamp comprises a movable welding table, a movable block is welded on the lower surface of the movable welding table, a second clamping plate is arranged right above the movable welding table, a plurality of groups of second sliding holes are formed in one end of the lower surface of the second clamping plate, a plurality of groups of second guide rods are fixedly connected to one end of the upper surface of the movable welding table, the upper ends of the plurality of groups of second guide rods penetrate through inner cavities of the plurality of groups of second sliding holes respectively, second springs are sleeved outside the upper ends of the plurality of groups of second guide rods, a plurality of groups of second guide rods are fixedly connected with a second positioning plate, a second lifting handle is fixedly connected to the upper surface of the second clamping plate, a second bottom groove is formed in the other end of the lower surface of the second clamping plate, and a second buffer rubber cushion is bonded at the top of the second bottom groove.

Preferably, the upper surface of workstation has seted up the mounting groove that supplies movable block sliding connection, and the mounting groove swivelling joint has drive screw, the screw thread through-hole that supplies drive screw threaded connection has been seted up to one side of movable block, and drive screw's one end runs through the workstation and fixedly connected with roll adjustment hand wheel.

Preferably, the lower surface welding of workstation has the multiunit landing leg, and multiunit landing leg is rectangular array setting, the upper surface welding of movable welding platform has the second baffle, and the height of second baffle is the same with the degree of depth of second undercut.

Preferably, the fixing clamp comprises a fixing welding table welded at one end of the upper surface of the workbench, a limiting plate is welded at one side of the fixing welding table, and a first baffle and a plurality of groups of first guide rods are welded at one end of the upper surface of the fixing welding table.

Preferably, a first clamping plate is arranged right above the fixed welding table, a first sliding hole for a plurality of groups of first guide rods to penetrate is formed in one end of the lower surface of the first clamping plate, first springs are sleeved outside the upper ends of the plurality of groups of first guide rods, and the upper ends of the plurality of groups of first guide rods are fixedly connected with first positioning plates.

Preferably, the lower surface of the first clamping plate is provided with a first bottom groove, the top of the first bottom groove is adhered with a first buffer rubber cushion, the depth of the first bottom groove is the same as the height of the first baffle, the cross section of the first buffer rubber cushion is smaller than that of the second buffer rubber cushion, and the upper surface of the first clamping plate is welded with a first lifting handle.

Preferably, the height of the fixed welding table is the same as that of the movable welding table, one side of the limiting plate and one side of the second baffle are arranged on the same plane, and the first baffle and the second baffle are vertically arranged.

Compared with the prior art, the utility model has the beneficial effects that:

According to the utility model, the second lifting handle is pulled to enable the second clamping plate to extrude the second spring through the cooperation between the movable clamp, the transmission screw and the distance-adjusting hand wheel, so that the second clamping plate is separated from the movable welding table, the battery piece is placed on the movable welding table, the second lifting handle is slowly loosened, the second buffer rubber pad is enabled to abut against the surface of the battery piece, the fixed clamp is repeatedly operated in the same way, and therefore positioning of the battery piece to be welded is completed, a worker rotates the transmission screw of the distance-adjusting hand wheel, so that the transmission screw is connected with the threaded through hole of the movable block, the movable welding table is driven to be close to the fixed welding table, two groups of battery pieces to be welded are enabled to abut against each other, welding work of the battery piece is completed, stability of the battery piece during welding is improved, the battery piece is prevented from being damaged by rigid clamping, and integrity of the battery piece is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model before use;

FIG. 2 is a schematic view of the present utility model in use;

FIG. 3 is a schematic view of a fixing clamp according to the present utility model;

fig. 4 is a schematic structural view of a movable clamp according to the present utility model.

In the figure: 1. a work table; 2. a fixing clamp; 21. fixing a welding table; 22. a limiting plate; 23. a first baffle; 24. a first clamping plate; 241. a first slide hole; 242. a first handle; 25. a first bottom groove; 26. a first buffer rubber pad; 27. a first guide bar; 28. a first spring; 29. a first positioning plate; 3. a movable clamp; 31. a movable welding table; 32. a movable block; 33. a second baffle; 34. a second clamping plate; 341. a second slide hole; 342. a second handle; 35. a second bottom groove; 36. a second buffer rubber pad; 37. a second guide bar; 38. a second spring; 39. a second positioning plate; 4. a distance-adjusting hand wheel; 5. a drive screw; 6. a mounting groove; 7. and (5) supporting legs.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the welding fixture for the silicon crystal battery piece comprises a workbench 1, wherein the upper surface of the workbench 1 is fixedly connected with a fixed fixture 2, and the upper surface of the workbench 1 is slidably connected with a movable fixture 3;

The movable clamp 3 comprises a movable welding table 31, a movable block 32 is welded on the lower surface of the movable welding table 31, a second clamping plate 34 is arranged right above the movable welding table 31, a plurality of groups of second sliding holes 341 are formed in one end of the lower surface of the second clamping plate 34, a plurality of groups of second guide rods 37 are fixedly connected to one end of the upper surface of the movable welding table 31, the upper ends of the plurality of groups of second guide rods 37 respectively penetrate through inner cavities of the plurality of groups of second sliding holes 341, second springs 38 are respectively sleeved on the outer sides of the upper ends of the plurality of groups of second guide rods 37, second positioning plates 39 are fixedly connected to the upper ends of the plurality of groups of second guide rods 37, second lifting handles 342 are fixedly connected to the upper surface of the second clamping plate 34, second bottom grooves 35 are formed in the other end of the lower surface of the second clamping plate 34, and second buffer rubber pads 36 are bonded to the tops of the second bottom grooves 35.

When the movable welding table is used, the first lifting handle 242 is pulled to pull the first clamping plate 24 up, the first battery piece is placed on the upper surface of the fixed welding table 21, the adjacent two ends of the first battery piece are respectively abutted against the limiting plate 22 and the first baffle plate 23, one end of the battery piece is exposed out of the fixed welding table 21, the first lifting handle 242 is slowly loosened, so that the first clamping plate 24 falls under the action of conservation of elastic potential energy of a plurality of groups of first springs 28, the battery piece is clamped and positioned through the first buffer rubber cushion 26, the second lifting handle 342 is pulled, the second clamping plate 34 is lifted and extrudes a plurality of groups of second springs 38, meanwhile, the battery piece is placed on the upper surface of the movable welding table 31 and abutted against the second baffle plate 33, meanwhile, after one end of the battery piece is exposed out of the movable welding table 31, the second lifting handle 342 is slowly loosened, the lower surface of the second clamping plate 34 is abutted against the upper surface of the battery piece under the action of the plurality of second springs 38, and simultaneously, the transmission screw 5 is driven to rotate by the distance adjusting hand wheel 4, so that the movable block 32 drives the movable welding table 31 to be close to the fixed welding table 21, the battery piece is clamped and the battery piece is welded, and the rigidity of the battery piece is prevented from being damaged when the two battery pieces are welded, and the welding stability is improved.

The upper surface of workstation 1 has offered the mounting groove 6 that supplies movable block 32 sliding connection, and the mounting groove 6 internal rotation is connected with drive screw 5, the screw thread through-hole that supplies drive screw 5 threaded connection has been seted up to one side of movable block 32, and drive screw 5's one end runs through workstation 1 and fixedly connected with roll adjustment hand wheel 4, drive screw 5 through rotating roll adjustment hand wheel 4 and make movable welding table 31 be close to or keep away from fixed welding table 21, thereby make the battery piece butt joint of placing on fixed welding table 21 and movable welding table 31, improve battery piece welding stability.

The lower surface welding of workstation 1 has multiunit landing leg 7, and multiunit landing leg 7 is rectangular array setting, and the upper surface welding of movable welding platform 31 has second baffle 33, and the high and the second depth of second kerve 35 of second baffle 33 have improved the stability of workstation 1 through multiunit landing leg 7 to improve battery piece welded quality.

The fixed fixture 2 comprises a fixed welding table 21 welded at one end of the upper surface of the workbench 1, a limiting plate 22 is welded at one side of the fixed welding table 21, a first baffle plate 23 and a plurality of groups of first guide rods 27 are welded at one end of the upper surface of the fixed welding table 21, limiting plates 22 and the first baffle plates 23 are convenient for limiting the battery pieces, butt welding of the battery pieces is facilitated, and welding quality of the battery pieces is improved.

The fixed welding bench 21 is provided with first splint 24 directly over, and the first slide hole 241 that supplies multiunit first guide bar 27 to run through is seted up to first splint 24's lower surface one end, and the upper end outside of multiunit first guide bar 27 all overlaps and is equipped with first spring 28, the equal fixedly connected with first locating plate 29 of the upper end of multiunit first guide bar 27 is convenient for spring to apply pressure to first splint 24 through first locating plate 29 to be convenient for first splint 24 is through first buffering cushion 26 to the battery piece centre gripping, improve the stability of centre gripping battery piece.

The lower surface of first splint 24 has seted up first kerve 25, and the top in first kerve 25 bonds there is first buffering cushion 26, the degree of depth in first kerve 25 is the same with the height of first baffle 23, the cross section of first buffering cushion 26 is less than the cross section of second buffering cushion 36, the upper surface welding of first splint 24 has first carrying handle 242, be convenient for pull first splint 24 through first carrying handle 242, conveniently place the battery piece, and the position of first baffle 23 being convenient for to the battery piece is prescribe a limit to, the accuracy of battery piece butt joint has been improved, thereby improve welding quality.

The height of the fixed welding table 21 is the same as that of the movable welding table 31, one side of the limiting plate 22 and one side of the second baffle 33 are arranged on the same plane, the first baffle 23 and the second baffle 33 are arranged vertically, and the battery pieces are positioned on the same plane when being aligned and welded through the fixed welding table 21 and the movable welding table 31, so that the welding quality of the battery pieces is improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a welding jig of silicon wafer battery piece, includes workstation (1), its characterized in that: the upper surface of the workbench (1) is fixedly connected with a fixed clamp (2), and the upper surface of the workbench (1) is slidably connected with a movable clamp (3);

The movable clamp (3) comprises a movable welding table (31), a movable block (32) is welded on the lower surface of the movable welding table (31), a second clamping plate (34) is arranged right above the movable welding table (31), a plurality of groups of second sliding holes (341) are formed in one end of the lower surface of the second clamping plate (34), a plurality of groups of second guide rods (37) are fixedly connected to one end of the upper surface of the movable welding table (31), the upper ends of the plurality of groups of second guide rods (37) penetrate through the inner cavities of the plurality of groups of second sliding holes (341) respectively, second springs (38) are sleeved outside the upper ends of the plurality of groups of second guide rods (37), a second positioning plate (39) is fixedly connected to the upper end of the plurality of groups of second guide rods (37), a second lifting handle (342) is fixedly connected to the upper surface of the second clamping plate (34), a second bottom groove (35) is formed in the other end of the lower surface of the second clamping plate (34), and a second buffer rubber cushion (36) is adhered to the top of the second bottom groove (35).

2. The welding fixture of a silicon wafer battery cell according to claim 1, wherein: the upper surface of workstation (1) has offered mounting groove (6) that supply movable block (32) sliding connection, and mounting groove (6) internal rotation is connected with drive screw (5), the screw thread through-hole that supplies drive screw (5) threaded connection has been seted up to one side of movable block (32), and the one end of drive screw (5) runs through workstation (1) and fixedly connected with roll adjustment hand wheel (4).

3. The welding fixture of a silicon wafer battery cell according to claim 2, wherein: the lower surface welding of workstation (1) has multiunit landing leg (7), and multiunit landing leg (7) are rectangular array setting, the upper surface welding of activity welding bench (31) has second baffle (33), and the high and the degree of depth of second kerve (35) of second baffle (33) are the same.

4. The welding fixture of a silicon wafer battery cell according to claim 1, wherein: the fixing clamp (2) comprises a fixing welding table (21) welded at one end of the upper surface of the workbench (1), a limiting plate (22) is welded at one side of the fixing welding table (21), and a first baffle (23) and a plurality of groups of first guide rods (27) are welded at one end of the upper surface of the fixing welding table (21).

5. The welding fixture for silicon wafer battery cells as defined in claim 4, wherein: the fixed welding bench is characterized in that a first clamping plate (24) is arranged right above the fixed welding bench (21), a first sliding hole (241) for a plurality of groups of first guide rods (27) to penetrate is formed in one end of the lower surface of the first clamping plate (24), first springs (28) are sleeved outside the upper ends of the plurality of groups of first guide rods (27), and a first positioning plate (29) is fixedly connected to the upper ends of the plurality of groups of first guide rods (27).

6. The welding fixture of silicon wafer battery cells of claim 5, wherein: the lower surface of first splint (24) has seted up first kerve (25), and the top in first kerve (25) bonds there is first buffering cushion (26), the degree of depth in first kerve (25) is the same with the height of first baffle (23), the cross section of first buffering cushion (26) is less than the cross section of second buffering cushion (36), the upper surface welding of first splint (24) has first carrying handle (242).

7. The welding fixture for silicon wafer battery cells as defined in claim 4, wherein: the height of the fixed welding table (21) is the same as that of the movable welding table (31), one side of the limiting plate (22) and one side of the second baffle (33) are arranged on the same plane, and the first baffle (23) and the second baffle (33) are vertically arranged.