CN214797348U

CN214797348U - Solar cell etching machine

Info

Publication number: CN214797348U
Application number: CN202121301725.6U
Authority: CN
Inventors: 石天明
Original assignee: Zhejiang Energy Pv Technology Co ltd
Current assignee: Zhejiang Energy Pv Technology Co ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2021-11-19
Anticipated expiration: 2031-06-10

Abstract

The utility model discloses a solar cell etching machine, which comprises a water tank device for soaking and etching solar cells and a pushing device for the up-and-down fluctuation of the solar cells, wherein the bottom of the pushing device is provided with a driving device for providing power; the water tank device comprises a water tank, two conveying rollers are symmetrically arranged in the water tank, a conveying belt is arranged between the conveying rollers, a first motor is arranged in front of the water tank, and two limiting guide rails are symmetrically arranged at the bottom in the water tank; the pushing device comprises a moving frame. The solar cell etching machine provided by the utility model enables the solar cell to fluctuate up and down in the etching solution through the arrangement of pushing fluctuation, thereby improving the etching quality; the arrangement of the movable pushing device enables the conveying belt to fluctuate at different places, and the fluctuation of the solar cell is ensured; by the arrangement of moving and pushing, the tensioning of the conveying belt is increased, and the reliability of power transmission is ensured.

Description

Solar cell etching machine

Technical Field

The utility model belongs to solar wafer production field especially relates to a solar wafer etching machine.

Background

The solar cell is divided into a crystalline silicon type and an amorphous silicon type, wherein the crystalline silicon type cell can be divided into a single crystal cell and a polycrystalline cell; single crystal silicon differs more efficiently than crystalline silicon. The production process flow of the solar cell comprises silicon chip detection, surface texturing and acid washing, diffusion knot making, phosphorosilicate glass removal, plasma etching and acid washing, antireflection film plating, screen printing, rapid sintering and the like.

However, in the prior art, the solar cell etching machine only performs immersion etching, which results in: 1. the solar cell slice cannot fluctuate up and down in the etching solution without the arrangement of pushing fluctuation, and the etching quality is low; 2. the arrangement of moving and pushing is not adopted, so that the conveying belt cannot undulate at different places, and the up-and-down undulation of the solar cell cannot be ensured; 3. the arrangement of moving and pushing is not adopted, so that the tensioning of the conveying belt cannot be increased, and the reliability of power transmission cannot be ensured.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a solar wafer etching machine to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a solar cell etching machine comprises a water tank device for soaking and etching solar cells and a pushing device for up-and-down fluctuation of the solar cells, wherein the bottom of the pushing device is provided with a driving device for providing power; the water tank device comprises a water tank, two conveying rollers are symmetrically arranged in the water tank, a conveying belt is arranged between the conveying rollers, a first motor is arranged in front of the water tank, and two limiting guide rails are symmetrically arranged at the bottom in the water tank; the pushing device comprises a moving frame, a pushing roller is installed at the top of the moving frame, and two limiting grooves are symmetrically formed in the bottom of the moving frame.

Further: the driving device comprises a second motor, a lead screw is installed on one side of the second motor, a limiting plate is arranged at one end of the lead screw, the second motor is connected with the water tank box through a bolt, and the lead screw is connected with the movable frame through threads.

The second motor drives the screw rod to rotate to push the movable frame to move, and the limiting plate prevents the screw rod from being separated from the movable frame.

Further: the driving device comprises two linear guide rails which are symmetrically arranged, a linear motor is mounted on each linear guide rail, the linear motor is connected with the movable frame through bolts, and the linear guide rails are connected with the water tank through bolts.

The linear motor drives the movable frame to move along the linear guide rail.

Further: the water tank is made of Q235 steel.

The strength of the water tank is ensured.

Further: the first motor is connected with the water tank box through bolts, and the limiting guide rail is riveted with the water tank box.

Bolted connection is convenient for dismouting maintenance first motor, the riveting has guaranteed the stop rail is firm reliable.

Further: the pushing roller is rotatably connected with the moving frame.

The flexible rotation of the pushing roller is ensured.

The utility model discloses a theory of operation and use flow: the solar cell slice etching device comprises a conveying belt, a first motor, a second motor, a screw rod, a linear motor, a limiting guide rail, a pushing roller and a conveying roller.

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

1. the solar cell is enabled to fluctuate up and down in the etching solution through the arrangement of pushing fluctuation, so that the etching quality is improved;

2. the arrangement of the movable pushing device enables the conveying belt to fluctuate at different places, and the fluctuation of the solar cell is ensured;

3. by the arrangement of moving and pushing, the tensioning of the conveying belt is increased, and the reliability of power transmission is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a front perspective view of a solar cell etching machine according to the present invention;

fig. 2 is a right side sectional view of a water tank device of a solar cell etching machine according to the present invention;

fig. 3 is a schematic view of a pushing device of a solar cell etching machine according to the present invention;

fig. 4 is a schematic view of a driving device of an embodiment 1 of the solar cell etching machine of the present invention;

fig. 5 is a schematic view of a driving device of embodiment 2 of the solar cell etching machine of the present invention.

In the reference symbols: 1. a sink device; 101. a water tank; 102. limiting a guide rail; 103. a conveying roller; 104. a conveyor belt; 105. a first motor; 2. a pushing device; 201. a movable frame; 202. pushing the roller; 203. a limiting groove; 3. a drive device; 301. a second motor; 302. a lead screw; 303. a limiting plate; 304. a linear guide rail; 305. a linear motor.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be further explained with reference to the accompanying drawings:

example 1

As shown in fig. 1-4, a solar cell etching machine comprises a water tank device 1 for soaking and etching solar cells, and further comprises a pushing device 2 for pushing the solar cells to move up and down, wherein a driving device 3 for providing power is installed at the bottom of the pushing device 2; the water tank device 1 comprises a water tank 101, wherein two conveying rollers 103 are symmetrically arranged in the water tank 101, a conveying belt 104 is arranged between the conveying rollers 103, a first motor 105 is arranged in front of the water tank 101, and two limiting guide rails 102 are symmetrically arranged at the bottom in the water tank 101; the pushing device 2 comprises a moving frame 201, a pushing roller 202 is mounted at the top of the moving frame 201, and two limiting grooves 203 are symmetrically arranged at the bottom of the moving frame 201.

Further: the driving device 3 comprises a second motor 301, a lead screw 302 is installed on one side of the second motor 301, a limiting plate 303 is arranged at one end of the lead screw 302, the second motor 301 is connected with the water tank 101 through a bolt, the lead screw 302 is in threaded connection with the movable frame 201, the lead screw 302 is driven by the second motor 301 to rotate to push the movable frame 201 to move, and the limiting plate 303 prevents the lead screw 302 from falling off the movable frame 201; the water tank 101 is made of Q235 steel materials, so that the strength of the water tank 101 is guaranteed; the first motor 105 is connected with the water tank 101 through bolts, the limiting guide rail 102 is riveted with the water tank 101, the first motor 105 is convenient to disassemble, assemble and maintain through the bolts, and the limiting guide rail 102 is stable and reliable through riveting; the pushing roller 202 is rotatably connected with the moving frame 201, so that the pushing roller 202 is ensured to rotate flexibly.

Example 2

As shown in fig. 5, embodiment 2 differs from embodiment 1 in that: the driving device 3 comprises two linear guide rails 304 which are symmetrically arranged, a linear motor 305 is installed on each linear guide rail 304, the linear motor 305 is connected with the movable frame 201 through bolts, the linear guide rails 304 are connected with the water tank 101 through bolts, and the linear motor 305 drives the movable frame 201 to move along the linear guide rails 304.

The utility model discloses a theory of operation and use flow: the solar cell is placed on the conveying belt 104, the first motor 105 drives the conveying roller 103 to rotate to drive the conveying belt 104 and the solar cell to be soaked in the etching solution in the water tank 101 to move, etching operation is performed, meanwhile, the second motor 301 drives the screw 302 to rotate to push the moving frame 201 to move, or the linear motor 305 drives the moving frame 201 to move along the linear guide rail 304, so that the moving frame 201 moves back and forth along the limiting guide rail 102, the conveying belt 104 is pushed by the pushing roller 202, and the solar cell is fluctuated up and down.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a solar wafer etching machine, includes basin device (1) of soaking sculpture solar wafer, its characterized in that: the solar cell module is characterized by also comprising a pushing device (2) used for the solar cell to move up and down, wherein the bottom of the pushing device (2) is provided with a driving device (3) used for providing power;

the water tank device (1) comprises a water tank (101), two conveying rollers (103) are symmetrically arranged in the water tank (101), a conveying belt (104) is arranged between the conveying rollers (103), a first motor (105) is arranged in front of the water tank (101), and two limiting guide rails (102) are symmetrically arranged at the bottom in the water tank (101);

the pushing device (2) comprises a moving frame (201), a pushing roller (202) is mounted at the top of the moving frame (201), and two limiting grooves (203) are symmetrically arranged at the bottom of the moving frame (201).

2. The solar cell etching machine according to claim 1, wherein: drive arrangement (3) include second motor (301), lead screw (302) are installed to second motor (301) one side, lead screw (302) one end is provided with limiting plate (303), second motor (301) with basin case (101) bolted connection, lead screw (302) with remove frame (201) threaded connection.

3. The solar cell etching machine according to claim 1, wherein: the driving device (3) comprises two linear guide rails (304) which are symmetrically arranged, a linear motor (305) is installed on each linear guide rail (304), the linear motor (305) is connected with the moving frame (201) through bolts, and the linear guide rails (304) are connected with the water tank (101) through bolts.

4. The solar cell etching machine according to claim 1, wherein: the water tank (101) is made of Q235 steel.

5. The solar cell etching machine according to claim 1, wherein: the first motor (105) is connected with the water tank (101) through bolts, and the limiting guide rail (102) is riveted with the water tank (101).

6. The solar cell etching machine according to claim 1, wherein: the pushing roller (202) is rotatably connected with the moving frame (201).