CN201717282U

CN201717282U - Etching fixture for silicon solar battery plate

Info

Publication number: CN201717282U
Application number: CN2010202264675U
Authority: CN
Inventors: 郭爱军; 蔡耀辉
Original assignee: Ja Solar Co Ltd
Current assignee: Jingao Solar Co Ltd
Priority date: 2010-06-12
Filing date: 2010-06-12
Publication date: 2011-01-19
Anticipated expiration: 2020-06-12

Abstract

The utility model discloses an etching fixture for a silicon solar battery plate, which comprises a base and an upper cover. A vertically arranged guide post is arranged on the base, the upper cover is sleeved on the guide post of the base, and an accommodating space for accommodating the silicon solar battery plate is arranged between the upper cover and the base. The etching fixture further comprises spiral handle capable of applying a force on the upper cover to enable the upper cover to tightly press the silicon solar battery plate in the accommodating space and a spiral handle positioning mechanism for mounting the spiral handle. The spiral handle positioning mechanism is arranged on the guide post of the base. The etching fixture provided by the utility model can prevent the silicon solar battery plate from falling off from the etching fixture and breaking, and increase the rate of the silicon solar battery plate finished product.

Description

A kind of etching anchor clamps of silicon solar cell

Technical field

The utility model relates to the attached anchor clamps that silicon solar cell is made workshop section's etching machine, is used for fixing the silicon solar cell semi-finished product, specifically is meant a kind of etching anchor clamps of silicon solar cell.

Background technology

The etching anchor clamps are clamping devices of silicon solar cell, domestic etching anchor clamps commonly used as shown in Figure 1 and Figure 2 at present, it comprises base 1, loam cake 2, handle 3, handle 3 is arranged on the loam cake 2, base has two column type pillars 6 of vertical setting, loam cake 2 sleeves screw by left nut 4 and right nut 5 in column type pillar 6 backs of base 1,, between loam cake 2 and the base 1 accommodation space 7 that holds silicon solar cell.

When above-mentioned etching anchor clamps use, the operator can be under left and

right nut

4,5 rotations when work, take off loam cake 2 backs a plurality of, general 300-500 sheet silicon solar cell is neat stacks accommodation space 7 above the base 1, then loam cake 2 is put into above the silicon solar cell, with hand or instrument left and

right nut

4,5 is screwed, after this process is carried out, just can fold up the whole etching that has silicon solar cell in the etching machine, go to carry out the etching of silicon solar cell periphery plasma.

There is following drawback in above-mentioned etching anchor clamps:

(1) installing behind the silicon solar cell left nut 4 and right nut 5 fastening strength will crush silicon solar cell too greatly, if fastening strength is too little, cause when in the etching machine, picking and placeing the etching anchor clamps silicon solar cell that comes off in the accommodation space 7 easily, cause the silicon solar cell that comes off to be broken into pieces.

(2) left nut 4 and right nut 5 are difficult to firmly impartially when fastening, so it is inhomogeneous just to cause loam cake 2 to be pressed onto the lip-deep power of silicon solar cell, causes silicon solar cell surface discontinuity and rupture, and cause the silicon solar cell percent defective to increase.

The utility model content

The purpose of this utility model provides a kind of etching anchor clamps of silicon solar cell, and these etching anchor clamps can effectively prevent to press from both sides broken placement silicon solar cell within it, improves the rate of finished products of silicon solar cell.

Above-mentioned purpose of the present utility model realizes by following technical solution: a kind of etching anchor clamps of silicon solar cell, it comprises base, loam cake, base has the guide pillar of vertical setting, the loam cake sleeve is on the guide pillar of base, it between loam cake and the base accommodation space that holds silicon solar cell, it is characterized in that: described etching anchor clamps also have and can force in described loam cake and make loam cake compress the spiral handle of the silicon solar cell in the accommodation space and the spiral handle detent mechanism that spiral handle is installed, and described spiral handle detent mechanism is erected on the guide pillar of described base.

Described spiral handle detent mechanism is the cross-arm of horizontally set, the both sides of described cross-arm are horizontally arranged with hitching post respectively, offer the keyhole that is used to install described hitching post with described hitching post corresponding position on the guide pillar of described base, the center position of described cross-arm offers screw hole, described spiral handle is made up of the screw body of vertical setting and the shank of horizontally set, can contact with described loam cake behind the screw hole of the screw body precession cross-arm of described spiral handle, to the described loam cake application of force.

For making loam cake stressed evenly at silicon solar cell in silicon solar cell application of force process, the utility model is done following improvement: pressing plate also is installed on the end face of described loam cake, the center position of described pressing plate is provided with positioning pit, the position of described location hole is corresponding with the screw body of described spiral handle, and the power that the screw body that described pressing plate can be subjected to it applies evenly passes to lower cover.

Described pressing plate is a square plate, and pressing plate has four pressing plate pin, and four pressing plate pin are evenly distributed on the end face of loam cake.

For preventing that silicon solar cell landing in the accommodation space from causing breaking into pieces, the utility model is done following improvement: described etching anchor clamps also have a pair of catch that can stop silicon solar cell landing in the accommodation space, and this is hinged on respectively catch and covers on described.

The edge of described loam cake is provided with projection, and installation shaft is installed on the projection, and described catch is hinged on the described installation shaft.

Compared with prior art, etching anchor clamps of the present utility model can overcome and silicon solar cell occurs come off from the etching anchor clamps and break the phenomenon high with fragment rate into pieces in the whole process of etching, improve the rate of finished products of silicon solar cell.

Description of drawings

Below in conjunction with the drawings and specific embodiments the utility model is described in further details.

Fig. 1 is the overall structure figure of etching anchor clamps in the prior art;

Fig. 2 is the whole explosive view of Fig. 1;

Fig. 3 is the overall structure figure of the utility model etching anchor clamps;

Fig. 4 is the partial exploded view of Fig. 3;

Fig. 5 is the whole explosive view of Fig. 3.

Embodiment

As the etching anchor clamps of Fig. 3 to a kind of silicon solar cell shown in Figure 5, it comprises base 1, loam cake 2, base 1 has the guide pillar 8 of vertical setting, loam cake 2 passes through square draw-in groove 2a sleeve on the square guide pillar 8 of base 1, it between loam cake 2 and the base 1 accommodation space 7 that holds silicon solar cell, the etching anchor clamps also have and can force in loam cake 2 and make loam cake compress the spiral handle of the silicon solar cell in the accommodation space and the spiral handle detent mechanism that spiral handle is installed, the spiral handle detent mechanism is erected on the guide pillar 8 of base 1, compress to the loam cake application of force by rotary handle, thereby compress the interior silicon solar cell of accommodation space.

The cross-arm 9 that described spiral handle detent mechanism is a horizontally set, the both sides of cross-arm 9 are horizontally arranged with hitching post 9a respectively, offer the keyhole 8a that is used to install hitching post with hitching post 9a corresponding position on the guide pillar 8 of base 1, the center position of cross-arm 9 offers screw hole, spiral handle is made up of the screw body 10 of vertical setting and the shank 11 of horizontally set, can contact with loam cake 2 behind the screw hole of the screw body 10 precession cross-arms 9 of spiral handle, to loam cake 2 application of forces.

For making loam cake stressed more even at silicon solar cell in silicon solar cell application of force process, pressing plate 12 also is installed on the end face of loam cake 2, pressing plate 12 is a square plate, pressing plate 12 has four pressing plate pin, four pressing plate pin are evenly distributed on the end face of loam cake 2, the center position of pressing plate 12 is provided with positioning pit 12a, and the position of location hole 12a is corresponding with the screw body of spiral handle 10, and the power that the screw body 10 that pressing plate 12 can be subjected to it applies evenly passes to lower cover.

For preventing that silicon solar cell landing in the accommodation space from causing breaking into pieces, the etching anchor clamps also have a pair of catch 13 that can stop silicon solar cell landing in the accommodation space, the edge of loam cake is provided with a pair of projection 14, be separately installed with installation shaft 13a on the projection 14, this to catch 13 by being hinged on respectively on the installation shaft 13a, thereby be hinged on respectively on the projection 14 of loam cake 2.

The clamping process of the utility model etching anchor clamps is as follows: when the placement silicon solar cell carries out etching in the etching anchor clamps, earlier silicon solar cell is stacked in the accommodation space 7, cover loam cake 2 then, again cross-arm 9 a pair of is inserted among a pair of keyhole 8a of guide pillar 8, screw spiral handle then in right amount, the power that is given on the pressing plate 12 of screw body 10 can be distributed on the loam cake 2 uniformly by four pin of pressing plate like this, make loam cake 2 press to balancing in power of silicon solar cell, avoided silicon solar cell surface discontinuity and rupture.

In the etching machine, place to carve when having silicon solar cell etching anchor clamps then, to rotate catch 13 perpendicular to base 1, catch 13 can block silicon solar cell and prevent its landings and breaking into pieces in the accommodation space 7 like this, above after the etching anchor clamps are put into the etching machine, will rotating to catch 13, the harmful effect that brings when avoiding catch 13 to give the silicon solar cell etching.

Claims

1. the etching anchor clamps of a silicon solar cell, it comprises base (1), loam cake (2), base (1) has the guide pillar (8) of vertical setting, loam cake (2) sleeve is on the guide pillar (8) of base (1), it between loam cake (2) and the base (1) accommodation space (7) that holds silicon solar cell, it is characterized in that: described etching anchor clamps also have and can force in described loam cake (2) and make loam cake compress the spiral handle of the silicon solar cell in the accommodation space and the spiral handle detent mechanism that spiral handle is installed, and described spiral handle detent mechanism is erected on the guide pillar (8) of described base (1).

2. the etching anchor clamps of silicon solar cell according to claim 1, it is characterized in that: the cross-arm (9) that described spiral handle detent mechanism is a horizontally set, the both sides of described cross-arm (9) are horizontally arranged with hitching post (9a) respectively, the guide pillar (8) of described base (1) is gone up with described hitching post (9a) corresponding position and is offered the keyhole (8a) that is used to install described hitching post, the center position of described cross-arm (9) offers screw hole, described spiral handle is made up of the screw body (10) of vertical setting and the shank (11) of horizontally set, can contact with described loam cake (2) behind the screw hole of the screw body of described spiral handle (10) precession cross-arm (9), to described loam cake (2) application of force.

3. the etching anchor clamps of silicon solar cell according to claim 2, it is characterized in that: pressing plate (12) also is installed on the end face of described loam cake (2), the center position of described pressing plate (12) is provided with positioning pit (12a), the screw body (10) of the position of described location hole (12a) and described spiral handle is corresponding, and the power that the screw body (10) that described pressing plate (12) can be subjected to it applies evenly passes to lower cover.

4. the etching anchor clamps of silicon solar cell according to claim 4, it is characterized in that: described pressing plate (12) is a square plate, and pressing plate (12) has four pressing plate pin, and four pressing plate pin are evenly distributed on the end face of loam cake (2).

5. according to the etching anchor clamps of each described silicon solar cell of claim 1 to 4, it is characterized in that: described etching anchor clamps also have a pair of catch (13) that can stop silicon solar cell landing in the accommodation space, and this is hinged on respectively on the described loam cake (2) catch (13).

6. the etching anchor clamps of silicon solar cell according to claim 5, it is characterized in that: the edge of described loam cake is provided with projection (14), installation shaft (13a) is installed on the projection (14), and described catch (13) is hinged on the described installation shaft (13a).