Photovoltaic silver paste stirring device for photovoltaic cell production

By providing longitudinally movable stirring blades on the agitating shaft of the battery paste mixing device, the problem of uneven stirring in the existing device is solved, and a more uniform mixing and higher mixing quality of the battery paste is achieved.

CN222586198UActive Publication Date: 2025-03-11BOHAI NEW ENERGY (HEFEI) CO LTD
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Patent Information

Application Number
CN202420707829.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-08
Publication Date
2025-03-11
Estimated Expiration
2034-04-08

AI Technical Summary

Technical Problem

In the existing battery slurry mixing device, the stirring range of the stirring leaves on the agitating shaft is fixed, making it difficult to uniformly stir the battery slurry at different depths, resulting in uneven slurry deposition and stirring.

Method used

A photovoltaic silver paste stirring device for photovoltaic cell production is designed. By setting up multiple stirring units and stirring inner tank units on the stirring shaft, the stirring leaves can move longitudinally along the stirring shaft, so as to achieve uniform stirring of battery pastes of different depths.

Benefits of technology

More uniform mixing of battery slurry is achieved, mixing quality is improved, slurry deposition is avoided, and stirring efficiency is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a photovoltaic cell production photovoltaic silver paste stirring device, which relates to the technical field of cell manufacturing devices, and adopts the technical scheme that the photovoltaic cell production photovoltaic silver paste stirring device comprises a stirring outer tank, a stirring mechanism is arranged in the stirring outer tank and comprises a motor and a stirring shaft, and a plurality of stirring components are sleeved outside the stirring shaft; the stirring assembly comprises a stirring unit and a stirring inner tank unit, the stirring unit comprises a connecting sleeve, a plurality of balls are embedded in the connecting sleeve, and two connecting rods are fixedly arranged outside the connecting sleeve. Meanwhile, stirring blades longitudinally move during rotation, battery slurry at different depths in the stirring inner tank unit is stirred and mixed, so that the battery slurry is mixed more uniformly, the mixing quality is improved, and meanwhile, through modular arrangement of the stirring unit and the stirring inner tank unit, parts are convenient to disassemble, assemble and replace in the later period.
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Description

Technical Field

[0001] The utility model relates to the technical field of battery manufacturing devices, in particular to a photovoltaic silver paste stirring device for photovoltaic cell production. Background Art

[0002] A battery refers to a cup, trough or other container or part of the space of a composite container that contains an electrolyte solution and metal electrodes to generate electric current. It is a device that can convert chemical energy into electrical energy and has positive and negative electrodes. With the advancement of technology, batteries generally refer to small devices that can generate electrical energy, such as solar cells. At the same time, photovoltaic silver paste is an important component in the production and processing of batteries, and related stirring devices are required when processing photovoltaic silver paste.

[0003] The existing battery slurry mixing is a part of the entire battery production process that has a great impact on battery quality. When mixing battery slurry, usually only one stirring shaft is set in the stirring pot. The stirring range of the stirring blades on the stirring shaft is fixed, which is not convenient for stirring the battery slurry at different depths, easily leading to slurry sedimentation and uneven stirring. Utility Model Content

[0004] To this end, the utility model provides a photovoltaic silver paste stirring device for photovoltaic cell production, which stirs the battery slurry through stirring blades while moving longitudinally to solve the problem that the stirring range of the stirring blades on the stirring shaft is fixed, which is inconvenient to stir the battery slurry at different depths, easily leading to slurry sedimentation and uneven stirring.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a photovoltaic cell production photovoltaic silver paste stirring device, comprising a stirring outer tank, a stirring mechanism is arranged inside the stirring outer tank, the stirring mechanism comprises a motor and a stirring shaft, a plurality of stirring components are sleeved on the outside of the stirring shaft, the stirring components comprise a stirring unit and a stirring inner tank unit, the stirring unit comprises a connecting sleeve, a plurality of balls are embedded in the connecting sleeve, two connecting rods are fixedly arranged on the outside of the connecting sleeve, a ball head is fixedly arranged at one end of the two connecting rods, a stirring drum is fixedly arranged at the bottom of the connecting sleeve, a plurality of stirring blades are fixedly arranged on the outside of the stirring drum, the stirring inner tank unit comprises a stirring inner tank, and a lifting circulation groove is opened inside the stirring inner tank.

[0006] Preferably, the motor is fixedly arranged on the top of the stirring outer tank, and the output end of the motor is fixedly connected to the top of the stirring shaft.

[0007] Preferably, the top of the stirring shaft extends out of the outer stirring tank and is connected to the top of the outer stirring tank via a bearing, and the bottom of the stirring shaft is connected to the bottom of the outer stirring tank via a bearing.

[0008] Preferably, the connecting sleeve is arranged outside the stirring shaft, and the connecting sleeve is connected to the stirring shaft by ball rolling.

[0009] Preferably, the ball head extends into the interior of the lifting circulation groove and is slidably connected to the lifting circulation groove.

[0010] Preferably, the plurality of inner stirring tanks are fixedly connected, and the plurality of inner stirring tanks are all fixedly connected to the outer stirring tank.

[0011] Preferably, a feed inlet is provided at the top of the outer stirring tank, and a discharge outlet is provided at the bottom of the outer stirring tank.

[0012] Preferably, a plurality of supporting legs are fixedly provided on the bottom of the outer stirring tank.

[0013] The utility model embodiment has the following advantages:

[0014] 1. Multiple stirring units are rotated by the stirring shaft. When the stirring units rotate, the ball head cooperates with the lifting circulation groove, so that the stirring units can move longitudinally along the stirring shaft when the stirring shaft drives the stirring units to rotate. The ball and the stirring shaft cooperate to make the connecting sleeve slide longitudinally along the stirring shaft, while the torque transmitted by the stirring shaft to the connecting sleeve is not affected, so that the connecting sleeve can rotate, so that the stirring blades can be at different depths of the battery slurry;

[0015] 2. The stirring blade is driven to rotate by the stirring drum, and the stirring blade is moved longitudinally during the rotation, so as to stir and mix the battery slurry at different depths inside the stirring inner tank unit, so that the battery slurry is mixed more evenly and the mixing quality is improved. At the same time, the modular setting of the stirring unit and the stirring inner tank unit facilitates the disassembly and replacement of parts in the later stage. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0017] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0018] Figure 1 A main partial cutaway stereogram provided by the utility model;

[0019] Figure 2 A partial cutaway stereoscopic view of the stirring assembly provided by the utility model;

[0020] Figure 3 A three-dimensional diagram showing the connection relationship between the stirring shaft and the stirring unit provided by the utility model;

[0021] Figure 4 A three-dimensional diagram of the stirring unit provided by the utility model;

[0022] Figure 5 This is a main stereoscopic diagram provided by the utility model.

[0023] In the figure: 1 a stirring outer tank, 2 a stirring mechanism, 21 a motor, 22 a stirring shaft, 23 a stirring unit, 231 a connecting sleeve, 232 a ball, 233 a connecting rod, 234 a ball head, 235 a stirring barrel, 236 a stirring blade, 24 a stirring inner tank unit, 241 a stirring inner tank, 242 a lifting circulation tank, 3 a feeding port, 4 a discharging port, 5 a supporting foot. DETAILED DESCRIPTION

[0024] The following is a specific embodiment of the present invention. People familiar with the technology can easily understand the other advantages and functions of the present invention from the contents disclosed in this specification. Obviously, the described embodiment is a part of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] Refer to the attached Figure 1 -Attached Figure 5 The utility model provides a photovoltaic silver paste stirring device for photovoltaic cell production, comprising a stirring outer tank 1, a stirring mechanism 2 is arranged inside the stirring outer tank 1, the stirring mechanism 2 comprises a motor 21 and a stirring shaft 22, a plurality of stirring components are sleeved outside the stirring shaft 22, the stirring component comprises a stirring unit 23 and a stirring inner tank unit 24, the stirring unit 23 comprises a connecting sleeve 231, a plurality of balls 232 are embedded inside the connecting sleeve 231, two connecting rods 233 are fixedly arranged outside the connecting sleeve 231, a ball head 234 is fixedly arranged at one end of the two connecting rods 233, a stirring drum 235 is fixedly arranged at the bottom of the connecting sleeve 231, a plurality of stirring blades 236 are fixedly arranged outside the stirring drum 235, the stirring inner tank unit 24 comprises a stirring inner tank 241, a lifting circulation groove 242 is opened inside the stirring inner tank 241;

[0026] In this embodiment, in order to achieve the purpose of stirring the battery slurry at different depths, the motor 21 rotates through the stirring shaft 22 to rotate the multiple stirring units 23. When the stirring unit 23 rotates, the ball head 234 cooperates with the lifting circulation groove 242, so that the stirring unit 23 can move longitudinally along the stirring shaft 22 when the stirring shaft 22 drives the stirring unit 23 to rotate. The ball 232 cooperates with the stirring shaft 22 to allow the connecting sleeve 231 to slide longitudinally along the stirring shaft 22, and at the same time, the torque transmitted by the stirring shaft 22 to the connecting sleeve 231 is not affected, so that the connecting sleeve 231 can rotate, and then the connecting sleeve 231 drives the stirring blade 236 to rotate through the stirring barrel 235, and at the same time, the stirring blade 236 moves longitudinally when rotating, so as to stir and mix the battery slurry at different depths inside the stirring inner tank unit 24, so that the battery slurry is mixed more evenly and the mixing quality is improved;

[0027] In order to provide power for the stirring shaft 22 to rotate, the device is implemented by the following technical scheme: the motor 21 is fixedly arranged on the top of the stirring outer tank 1, the output end of the motor 21 is fixedly connected to the top of the stirring shaft 22, the top of the stirring shaft 22 extends out of the stirring outer tank 1 and is connected to the top of the stirring outer tank 1 through a bearing, the bottom of the stirring shaft 22 is connected to the bottom of the stirring outer tank 1 through a bearing, the motor 21 is started, and the motor 21 rotates through the stirring shaft 22 to rotate the multiple stirring units 23, so that the stirring units 23 mix and stir the battery slurry inside the stirring inner tank unit 24;

[0028] Among them, in order to achieve the purpose of longitudinal movement of the stirring unit 23, the present device adopts the following technical solutions: the connecting sleeve 231 is sleeved on the outside of the stirring shaft 22, the connecting sleeve 231 and the stirring shaft 22 are rollingly connected by the ball 232, the ball head 234 extends into the lifting circulation groove 242 and is slidingly connected with the lifting circulation groove 242, a plurality of stirring inner tanks 241 are fixedly connected, and a plurality of stirring inner tanks 241 are all fixedly connected with the stirring outer tank 1, and a plurality of stirring units 23 are rotated by the stirring shaft 22, and when the stirring unit 23 rotates, the ball head 234 cooperates with the lifting circulation groove 242, so that when the stirring shaft 22 drives the stirring unit 23 to rotate, the stirring unit 23 can move longitudinally along the stirring shaft 22;

[0029] Among them, in order to facilitate the entry and exit of battery slurry, the present device is implemented by the following technical scheme: a feed port 3 is opened at the top of the stirring outer tank 1, a discharge port 4 is opened at the bottom of the stirring outer tank 1, and a plurality of supporting feet 5 are fixedly provided at the bottom of the stirring outer tank 1. The battery slurry is added into the stirring inner tank unit 24 inside the stirring outer tank 1 through the feed port 3, and the mixed battery slurry is discharged by opening the discharge port 4.

[0030] The use process of the utility model is as follows: when using the utility model, an external power source is connected, and the battery slurry is added into the stirring inner tank unit 24 inside the stirring outer tank 1 through the feed port 3, and the motor 21 is started. The motor 21 rotates through the stirring shaft 22 to rotate multiple stirring units 23. When the stirring unit 23 rotates, the ball head 234 cooperates with the lifting circulation groove 242, so that when the stirring shaft 22 drives the stirring unit 23 to rotate, the stirring unit 23 can move longitudinally along the stirring shaft 22, and the ball 232 cooperates with the stirring shaft 22 so that the connecting sleeve 231 can slide longitudinally along the stirring shaft 22. The stirring shaft 22 can move without affecting the torque transmitted to the connecting sleeve 231 by the stirring shaft 22, so that the connecting sleeve 231 can rotate, and then the connecting sleeve 231 drives the stirring blade 236 to rotate through the stirring barrel 235, and the stirring blade 236 moves longitudinally during rotation, so as to stir and mix the battery slurry at different depths inside the stirring inner tank unit 24, so that the battery slurry is mixed more evenly and the mixing quality is improved. At the same time, the modular setting of the stirring unit 23 and the stirring inner tank unit 24 facilitates the disassembly and replacement of parts in the later stage, and the discharge port 4 is opened to facilitate the discharge of the mixed battery slurry.

[0031] The above are only preferred embodiments of the present invention. Any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the above technical solution. Therefore, any simple modification or equivalent replacement based on the technical solution of the present invention shall fall within the scope of protection claimed by the present invention.

Claims

1. A photovoltaic silver paste stirring device for photovoltaic cell production, comprising a stirring outer tank (1), characterized in that: The stirring outer tank (1) is provided with a stirring mechanism (2) inside. The stirring mechanism (2) comprises a motor (21) and a stirring shaft (22). The stirring shaft (22) is provided with a plurality of stirring components on its outside. The stirring components comprise a stirring unit (23) and a stirring inner tank unit (24). The stirring unit (23) comprises a connecting sleeve (231). A plurality of balls (232) are embedded inside the connecting sleeve (231). Two connecting rods (233) are fixedly provided outside the connecting sleeve (231). A ball head (234) is fixedly provided at one end of each of the two connecting rods (233). A stirring drum (235) is fixedly provided at the bottom of the connecting sleeve (231). A plurality of stirring blades (236) are fixedly provided outside the stirring drum (235). The stirring inner tank unit (24) comprises a stirring inner tank (241). A lifting circulation groove (242) is provided inside the stirring inner tank (241).

2. A photovoltaic silver paste stirring device for photovoltaic cell production according to claim 1, characterized in that: The motor (21) is fixedly arranged on the top of the stirring outer tank (1), and the output end of the motor (21) is fixedly connected to the top of the stirring shaft (22).

3. A photovoltaic silver paste stirring device for photovoltaic cell production according to claim 1, characterized in that: The top of the stirring shaft (22) extends out of the stirring outer tank (1) and is connected to the top of the stirring outer tank (1) via a bearing, and the bottom of the stirring shaft (22) is connected to the bottom of the stirring outer tank (1) via a bearing.

4. A photovoltaic silver paste stirring device for photovoltaic cell production according to claim 1, characterized in that: The connecting sleeve (231) is sleeved on the outside of the stirring shaft (22), and the connecting sleeve (231) and the stirring shaft (22) are rollingly connected via balls (232).

5. The photovoltaic silver paste stirring device for photovoltaic cell production according to claim 1, characterized in that: The ball head (234) extends into the interior of the lifting circulation groove (242) and is slidably connected to the lifting circulation groove (242).

6. The photovoltaic silver paste stirring device for photovoltaic cell production according to claim 1, characterized in that: The plurality of inner stirring tanks (241) are fixedly connected, and the plurality of inner stirring tanks (241) are all fixedly connected to the outer stirring tank (1).

7. The photovoltaic silver paste stirring device for photovoltaic cell production according to claim 1, characterized in that: The top of the stirring outer tank (1) is provided with a feed inlet (3), and the bottom of the stirring outer tank (1) is provided with a discharge outlet (4).

8. The photovoltaic silver paste stirring device for photovoltaic cell production according to claim 1, characterized in that: A plurality of supporting legs (5) are fixedly provided on the bottom of the outer stirring tank (1).