Polishing equipment for solar cell chip production

Abstract

The utility model belongs to the technical field of solar cell chip processing, and particularly relates to polishing equipment for solar cell chip production, which comprises a polishing device main body, a polishing platform arranged at the top end of the polishing device main body, transverse guide rails arranged on two sides of the polishing platform, and movable guide tables arranged on the transverse guide rails. The placing table is installed on the grinding platform, the grinding disc capable of being pulled is installed in the placing table, multiple sets of solar cell chips can be placed in placing grooves in the grinding disc one by one, the multiple sets of solar cell chips can be rapidly and fixedly placed, and then the multiple sets of solar cell chips can be rapidly and fixedly placed by starting the movable guide table. The movable guide table drives the grinding machine on the mounting table to move to the position over the grinding machine, the grinding head at the bottom end of the grinding machine conducts unified grinding on the surfaces of the multiple sets of solar cell chips on the grinding disc, the multiple sets of solar cell chips are fully and uniformly ground, the consistency of the solar cell chips after grinding is guaranteed, and the grinding efficiency of the solar cell chips is improved. And the polishing efficiency of the solar cell chip is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of solar cell chip processing, in particular to a grinding device for producing solar cell chips. Background Art

[0002] The performance of solar cell chips is closely related to their surface quality. Polishing is an important part of the production process of solar cell chips. Polishing can remove the cutting damage layer, impurities and uneven parts on the chip surface, thereby improving the surface flatness and finish of the chip. This not only helps to reduce light reflection, increase the chip's absorption rate of sunlight, and thus improve the photoelectric conversion efficiency, but also enhances the connection reliability between the chip and other components and extends the service life of the battery. The existing polishing equipment for solar cell chip production can basically meet daily use needs, but there are still some shortcomings that need to be improved.

[0003] The solar cell chip production grinding equipment widely used on the market mostly adopts a single grinding head for grinding, and during grinding, a single solar cell chip needs to be fixed in a fixture. This grinding method not only has low grinding efficiency and cannot meet large-scale production, but also cannot ensure the consistency of multiple groups of solar cell chips after grinding. Therefore, we propose a solar cell chip production grinding equipment to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a polishing device for producing solar cell chips to solve the technical problems raised by the above-mentioned background technology.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] A grinding device for producing solar cell chips, comprising a grinding device body, a grinding platform installed at the top of the grinding device body, transverse guide rails arranged on both sides of the grinding platform, and a movable guide platform installed on the transverse guide rails, the movable guide platform is equipped with a mounting platform, a grinder is installed on the mounting platform, a placement platform is installed at the center of the grinding platform, slots are provided on both sides of the inner wall of the placement platform, a grinding disc is placed on the placement platform, placement grooves are provided on the grinding disc at equal intervals, and a plurality of storage grooves are provided on the grinding disc at equal intervals, plug plates are installed on both sides of the grinding disc, the plug plates on both sides of the grinding disc can be inserted into two groups of slots on the placement platform, and the grinding disc is fixed on the top of the placement platform by a positioning component.

[0007] As an improved technical solution, the positioning assembly includes a sleeve, a movable plate, a positioning pin, a socket, a connecting rod, a cross bar and a reset spring. Sleeves are installed on the top of both sides of the placement table, movable plates are arranged in the two groups of sleeves, positioning pins are installed on the bottom ends of the two groups of movable plates, sockets are opened on the two groups of plug plates, the bottom ends of the two groups of positioning pins can be inserted into the sockets on the two groups of plug plates, the top ends of the two groups of movable plates are connected to the cross bar through the connecting rod, and reset springs are wound around the outsides of the two groups of connecting rods.

[0008] As an improved technical solution, the top ends of the two groups of sleeves are rotatably connected with rotating sleeves, and the outsides of the two groups of rotating sleeves are fixed with clamping plates.

[0009] As an improved technical solution, the plurality of groups of receiving grooves are designed in a strip shape, and the top edges of the receiving grooves are curved.

[0010] As an improved technical solution, a plurality of groups of grinding heads are installed at the bottom end of the grinding machine.

[0011] As an improved technical solution, the two ends of the reset spring outside the connecting rod are respectively connected to the outer wall of the top of the movable plate and the top of the inner wall of the sleeve, and the movable plate is elastically connected to the inner wall of the sleeve through the reset spring.

[0012] As an improved technical solution, the outer wall of the movable plate is fully fitted with the inner wall of the sleeve, and the movable plate and the sleeve form a sliding connection.

[0013] After adopting the above technical solution, the beneficial effects of the utility model are:

[0014] 1. The utility model is provided with a placement table on the grinding platform, and a retractable grinding disc is installed in the placement table, so that multiple groups of solar cell chips can be placed one by one inside the placement groove on the grinding disc, so that multiple groups of solar cell chips can be quickly fixed and placed, and then by starting the movable guide table, the movable guide table drives the grinder on the installation table to move to the top of the grinder, so that the grinding head at the bottom of the grinder uniformly grinds the surface of the multiple groups of solar cell chips on the grinding disc, so that the multiple groups of solar cell chips are fully uniformly polished, the consistency of the solar cell chips after polishing is ensured, and the polishing efficiency of the solar cell chips is effectively improved.

[0015] 2. The utility model has two groups of movable plates that can be raised and lowered installed on both sides of the top of the placement table. After the plug plates on both sides of the grinding disc are inserted into the slots on the placement table, the reset springs outside the two groups of connecting rods can release the downward elastic force on the two groups of movable plates, so that the two groups of movable plates can drive the two groups of positioning pins to be inserted into the sockets on the two groups of plug plates, so that the two groups of sockets can form an effective movable positioning effect on the grinding disc, thereby ensuring the stability of the device when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 It is a partial cross-sectional structural schematic diagram of the utility model;

[0019] Figure 3 It is a schematic diagram of the local active state structure of the utility model;

[0020] Figure 4 For the utility model Figure 1 A schematic diagram of the enlarged structure at point A;

[0021] Figure 5 For the utility model Figure 2 Schematic diagram of the enlarged structure at B.

[0022] In the figure: 1. grinding device body; 2. grinding platform; 3. transverse guide rail; 4. movable guide platform; 5. mounting platform; 6. grinder; 7. placement platform; 8. slot; 9. grinding disc; 10. plug-in plate; 11. placement groove; 12. storage groove; 13. sleeve; 14. movable plate; 15. positioning pin; 16. socket; 17. connecting rod; 18. cross bar; 19. reset spring; 20. rotating sleeve; 21. clamping plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0025] At the same time, the meaning of "and / or" or "and / or" appearing in the full text includes three options. Taking "A and / or B" as an example, it includes option A, or option B, or a option in which both A and B are satisfied.

[0026] In addition, in the present utility model, descriptions such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0027] Figures 1 to 5 As shown, this embodiment provides a polishing equipment for solar cell chip production, including a polishing device body 1, a polishing platform 2 installed on the top of the polishing device body 1, transverse guide rails 3 arranged on both sides of the polishing platform 2, and a movable guide platform 4 installed on the transverse guide rails 3, the movable guide platform 4 is installed with a mounting table 5, and a grinder 6 is installed on the mounting table 5, a placement table 7 is installed at the center of the polishing platform 2, slots 8 are opened on both sides of the inner wall of the placement table 7, a grinding disc 9 is placed in the placement table 7, placement grooves 11 are opened on the grinding disc 9 at equal intervals, and a plurality of storage grooves 12 are opened on the grinding disc 9 at equal intervals, plug plates 10 are installed on both sides of the grinding disc 9, and the plug plates 10 on both sides of the grinding disc 9 can be inserted into the two groups of slots 8 on the placement table 7, and the grinding disc 9 is fixed on the top of the placement table 7 by a positioning component.

[0028] By installing a placement table 7 on the polishing platform 2 and installing a removable grinding disc 9 in the placement table 7, multiple groups of solar cell chips can be placed one by one in the placement groove 11 on the grinding disc 9, so that the multiple groups of solar cell chips can be quickly fixed and placed, and then by starting the movable guide table 4, the movable guide table 4 drives the grinder 6 on the mounting table 5 to move to just above the grinder 6, so that the grinding head at the bottom end of the grinder 6 performs uniform surface grinding on the multiple groups of solar cell chips on the grinding disc 9, so that the multiple groups of solar cell chips are fully and uniformly polished, thereby ensuring the consistency of the solar cell chips after grinding and effectively improving the grinding efficiency of the solar cell chips.

[0029] In other embodiments, the positioning assembly includes a sleeve 13, a movable plate 14, a positioning pin 15, a socket 16, a connecting rod 17, a cross bar 18 and a reset spring 19. The sleeves 13 are installed on the top of both sides of the placement table 7, and the movable plates 14 are arranged in the two sets of sleeves 13. The bottom ends of the two sets of movable plates 14 are installed with positioning pins 15. The two sets of plug plates 10 are provided with sockets 16. The bottom ends of the two sets of positioning pins 15 can be inserted into the sockets 16 on the two sets of plug plates 10. The tops of the two sets of movable plates 14 are connected to the cross bar 18 through the connecting rod 17, and the reset springs 19 are wound around the outsides of the two sets of connecting rods 17.

[0030] By installing two groups of movable plates 14 that can be lifted and lowered on both sides of the top of the placement table 7, the cross bar 18 can be pulled upward, so that the two groups of movable plates 14 can drive the two groups of positioning pins 15 to move upward along the sleeve 13, and the two groups of movable plates 14 can squeeze the return springs 19 outside the two groups of connecting rods 17, so that the two groups of return springs 19 can contract and accumulate force. When the two groups of positioning pins 15 completely leave the inside of the sockets 16 on the two groups of plug boards 10, the grinding disc 9 can be pulled out, and the solar cell chips can be placed in the multiple groups of placement grooves 11 on the grinding disc 9, and then the plug boards 10 on both sides of the grinding disc 9 are inserted into the slots 8 on the placement table 7, and then the force on the cross bar 18 is released, so that the return springs 19 outside the two groups of connecting rods 17 can release the downward elastic force on the two groups of movable plates 14, so that the two groups of movable plates 14 can drive the two groups of positioning pins 15 to insert into the sockets 16 on the two groups of plug boards 10, so that the two groups of sockets 16 can form an effective active positioning effect on the grinding disc 9, thereby ensuring the stability of the device when in use.

[0031] In other embodiments, the top ends of the two sets of sleeves 13 are rotatably connected to the rotating sleeves 20, and the outsides of the two sets of rotating sleeves 20 are fixed with clamping plates 21;

[0032] With this design, when the cross bar 18 is pulled upward, the cross bar 18 drives the two sets of movable plates 14 and the positioning pins 15 to move upward. When the two sets of positioning pins 15 completely leave the insertion holes 16 on the two sets of plug plates 10, the two sets of card plates 21 can be moved, and the two sets of rotating sleeves 20 drive the two sets of card plates 21 to rotate into the lower end of the cross bar 18, so that the cross bar 18 can form a downward limit for the two sets of card plates 21, so that when pulling out the grinding disc 9, there is no need to continuously pull the cross bar 18, thereby improving the convenience of using the device.

[0033] In other embodiments, the plurality of receiving grooves 12 are designed in a strip shape, and the top edges of the receiving grooves 12 are curved;

[0034] With this design, the receiving groove 12 can collect the debris and excess polishing fluid generated during the polishing process, thereby effectively preventing the generated debris from remaining on the surface of the polishing head.

[0035] In other embodiments, multiple sets of grinding heads are installed at the bottom end of the grinder 6;

[0036] With this design, the grinder 6 can drive multiple groups of grinding heads to move onto the grinding disc 9 , so that the multiple groups of grinding heads can effectively grind the solar cell chips in the multiple groups of placement grooves 11 on the grinding disc 9 .

[0037] like Figure 5 As shown, the two ends of the return spring 19 outside the connecting rod 17 are respectively connected to the outer wall of the top of the movable plate 14 and the top of the inner wall of the sleeve 13, and the movable plate 14 is elastically connected to the inner wall of the sleeve 13 through the return spring 19;

[0038] Through this design, the return springs 19 outside the two groups of connecting rods 17 can continuously apply downward elastic force to the movable plate 14, so that the two groups of movable plates 14 can drive the two groups of positioning pins 15 to quickly insert into the two groups of holes 16 on the two groups of plug plates 10, so that the two groups of positioning pins 15 can quickly position the plug plates 10 on both sides of the grinding disc 9.

[0039] In other embodiments, the outer wall of the movable plate 14 is fully fitted with the inner wall of the sleeve 13, and the movable plate 14 and the sleeve 13 form a sliding connection;

[0040] With this design, when the movable plate 14 drives the positioning pin 15 to move up and down smoothly in the sleeve 13 , it can effectively prevent the movable plate 14 from shaking during the movement, thereby ensuring the stability of the movable plate 14 during movement.

[0041] The electrical components mentioned in this article are all connected to an external main controller and industrial power supply, and the main controller can be a conventional known device for control such as a computer.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A grinding device for producing solar cell chips, comprising a grinding device body (1), a grinding platform (2) mounted on the top of the grinding device body (1), transverse guide rails (3) arranged on both sides of the grinding platform (2), and a movable guide platform (4) mounted on the transverse guide rails (3), wherein the movable guide platform (4) is mounted with a mounting platform (5), and a grinding machine (6) is mounted on the mounting platform (5), characterized in that: A placement table (7) is installed at the center of the grinding platform (2), and slots (8) are provided on both sides of the inner wall of the placement table (7). A grinding disc (9) is placed in the placement table (7), and placement grooves (11) are provided on the grinding disc (9) at equal intervals, and a plurality of storage grooves (12) are provided on the grinding disc (9) at equal intervals. Insert plates (10) are installed on both sides of the grinding disc (9), and the insert plates (10) on both sides of the grinding disc (9) are inserted into two groups of slots (8) on the placement table (7). The grinding disc (9) is fixed at the top of the placement table (7) by a positioning component.

2. A polishing device for producing solar cell chips according to claim 1, characterized in that: The positioning assembly comprises a sleeve (13), a movable plate (14), a positioning pin (15), a socket (16), a connecting rod (17), a cross bar (18) and a return spring (19). The top ends of both sides of the placement table (7) are both mounted with sleeves (13). The movable plates (14) are both arranged in the two sets of sleeves (13). The bottom ends of the two sets of movable plates (14) are both mounted with positioning pins (15). The two sets of plug plates (10) are both provided with sockets (16). The bottom ends of the two sets of positioning pins (15) are both inserted into the sockets (16) on the two sets of plug plates (10). The top ends of the two sets of movable plates (14) are connected to the cross bar (18) via the connecting rod (17). The outsides of the two sets of connecting rods (17) are both wound with return springs (19).

3. A polishing device for producing solar cell chips according to claim 2, characterized in that: The top ends of the two sets of sleeves (13) are rotatably connected to a rotating sleeve (20), and the exteriors of the two sets of rotating sleeves (20) are fixed with a clamping plate (21).

4. The polishing equipment for producing solar cell chips according to claim 1, characterized in that: The plurality of groups of receiving grooves (12) are designed in a strip shape, and the top edges of the receiving grooves (12) are curved.

5. The polishing equipment for producing solar cell chips according to claim 1, characterized in that: A plurality of groups of grinding heads are installed at the bottom end of the grinding machine (6).

6. A polishing device for producing solar cell chips according to claim 2, characterized in that: The two ends of the return spring (19) outside the connecting rod (17) are respectively connected to the top outer wall of the movable plate (14) and the top inner wall of the sleeve (13), and the movable plate (14) is elastically connected to the inner wall of the sleeve (13) via the return spring (19).

7. The polishing equipment for producing solar cell chips according to claim 2, characterized in that: The outer wall of the movable plate (14) is fully fitted with the inner wall of the sleeve (13), and the movable plate (14) and the sleeve (13) are slidably connected.

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