Raw material shearing and mixing machine for photovoltaic cell silver paste printing

Abstract

The utility model relates to the technical field of photovoltaic cell silver paste preparation, and discloses a raw material shearing and mixing machine for photovoltaic cell silver paste printing, which comprises a base, a vertical frame is arranged at the top of the base, a placing table is arranged at the top of the vertical frame, and a photovoltaic power supply component is arranged at the top of the placing table. A mixing and shearing device is arranged at the bottom of the placing table, and the bottom end detection device comprises a control valve, a discharging pipe, a heat preservation pipe, a placing plate, temperature adjusting equipment, a connecting pipe, a temperature sensor and a bearing plate. According to the raw material shearing and mixing machine for photovoltaic cell silver paste printing, the bottom end detection device is arranged, a temperature sensor is used for detecting the gas temperature and judging the temperature of internal silver paste, so that the mixing condition is judged, the mixing device can detect the temperature of discharged materials during discharging, and whether mixing treatment meets the requirement or not is judged; and the condition that the materials are still discharged without insufficient mixing is avoided, and the use effect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic cell silver paste preparation technical field, concretely is a kind of raw material shearing mixing machine for photovoltaic cell silver paste printing. BACKGROUND

[0002] In recent years, with the growing demand for clean energy worldwide, the photovoltaic cell industry has developed rapidly. Photovoltaic cells, as the key equipment for converting solar energy into electrical energy, play an important role in the field of renewable energy. Silver paste is one of the key materials indispensable in the manufacturing process of photovoltaic cells, mainly used for printing cell electrodes. The chemical composition and particle size distribution of photovoltaic cell silver paste can affect the performance of silver paste during sintering.

[0003] The prior art discloses a photovoltaic solar cell conductive silver paste mixing device with the publication number CN219441430U, which includes a device host, a control panel, a motor, a transmission shaft, a stirring blade, a stirring column, a cam, a mixing bin, a temperature display disc, a flow guide rod, a feeding hopper, a sealing plate, an opening and closing plate, and a fixing frame. The control panel is installed on the device host, and the motor is installed on the device host. The transmission shaft is connected to the motor, and the stirring blade and the stirring column are connected to the transmission shaft. The transmission shaft is provided with a cam, and the mixing bin is connected to the transmission shaft. The temperature display disc is installed on the mixing bin, and the flow guide rod is arranged in the mixing bin. The mixing bin is connected to the feeding hopper. The device drives the rotation of the transmission shaft by the motor, drives the operation of the stirring blade and the stirring column, mixes the silver paste, and at the same time, the transmission shaft drives the rotation of the cam, drives the eccentric rotation of the mixing bin, and makes the mixing bin and the stirring blade and the stirring column rotate together, improving the stirring efficiency.

[0004] The above-mentioned raw material shearing mixing machine for photovoltaic cell silver paste printing can eliminate the foam in the mixing process by the uniformly installed flow guide rod in the mixing bin, which rotates integrally with the mixing bin, better adheres the silver paste to the inner wall of the mixing bin and the flow guide rod, has higher mixing efficiency and better effect. However, the above-mentioned mixing device cannot detect the temperature of the discharged material to determine whether the mixing process meets the requirements. The silver paste mixture inside the existing component mixing and shearing process is not easy to observe, which may result in insufficient mixing but still discharging, and the effect is not good during use, which needs to be improved. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a raw material shearing mixing machine for photovoltaic cell silver paste printing to solve the problems raised in the above background technology.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: A raw material shearing mixing machine for photovoltaic cell silver paste printing, including base, the top of base is provided with stand, the top of stand is provided with placing table, the top of placing table is provided with photovoltaic power supply component, the bottom of placing table is provided with mixing shearing device, the bottom of mixing shearing device is provided with bottom end detection device.

[0007] The bottom end detection device includes a control valve, a discharge pipe, a heat preservation pipe, a placement plate, a temperature adjusting device, a connecting pipe, a temperature sensor, a bearing plate, and a suction pump. The discharge pipe is fixedly connected to the bottom of the processing cylinder. The control valve is connected to the inner top end of the discharge pipe. The heat preservation pipe is connected to the surface of the discharge pipe. The placement plate is fixedly connected to the front surface of the heat preservation pipe. The temperature adjusting device is connected to the front surface of the placement plate. The connecting pipe is connected to the right middle part of the discharge pipe. The bearing plate is fixedly connected to the right bottom of the processing cylinder.

[0008] Preferably, the mixing shearing device includes a driving stepper motor, a support frame, a processing cylinder, a connecting frame, a rotating shaft, a bent paddle, a scraper, and an inner material channel. The driving stepper motor is fixedly connected to the bottom of the placing table. The rotating shaft is fixedly connected to the output shaft of the driving stepper motor. The connecting frame is fixedly connected to the surface of the rotating shaft. The scraper is fixedly connected to the front and back surfaces of the connecting frame. The back surface of the processing cylinder is provided with a feeding pipe.

[0009] Preferably, the rotating shaft extends through the top of the processing cylinder and is connected to the inside of the processing cylinder. The bent paddle is fixedly connected to the inside of the connecting frame.

[0010] Preferably, the scraper is slidingly connected to the inside of the processing cylinder. The inner material channel is opened in the inside of the scraper. The scraper slides along the inner wall of the processing cylinder, avoiding the adhesion of raw materials to the inner wall of the processing cylinder. The inside of the scraper is provided with the inner material channel, which allows the scraped raw materials to slide out of the inside of the scraper, avoiding the blocking and sliding failure during scraping.

[0011] Preferably, the suction pump is fixedly connected to the left side of the right stand. The left side of the suction pump is fixedly connected to the end of the connecting pipe away from the discharge pipe.

[0012] Preferably, the support frame is fixedly connected to the side of the stand. The processing cylinder is fixedly connected to the end of the support frame away from the stand.

[0013] Preferably, the temperature sensor is fixedly connected to the bottom of the bearing plate. The bottom of the temperature sensor is inserted into the inside of the connecting pipe. The temperature sensor extends into the inside of the connecting pipe to detect the temperature of the adsorbed gas. When the temperature is low, the above mixing shearing assembly needs to be continuously started for processing until the required temperature is reached and the gas is discharged.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. This photovoltaic cell silver paste printing raw material shearing and mixing machine is equipped with a bottom detection device. The device uses a temperature sensor to detect the gas temperature and determine the temperature of the internal silver paste, thereby judging the mixing status. This allows the mixing device to detect the temperature of the discharged material during discharge to determine whether the mixing process meets the requirements, preventing insufficient mixing but still discharging material. It has good performance in use.

[0016] 2. This photovoltaic cell silver paste printing raw material shearing and mixing machine is equipped with a mixing and shearing device. Scrapers are installed on the front and back of the connecting frame, which slide against the inner wall of the processing cylinder to prevent the raw material from adhering to the inner wall of the processing cylinder. The scraper is also equipped with an internal material passage groove, which allows the scraped raw material to slide out from inside the scraper, avoiding blockage and inability to slide during the scraping process. It can perform shearing and mixing processing inside the machine. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall front view of the present invention;

[0018] Figure 2 This is a schematic diagram of the overall three-dimensional structure of the present invention;

[0019] Figure 3 This utility model Figure 2 Enlarged structural diagram at point A in the middle;

[0020] Figure 4 This is a top view of the hybrid shearing device of this utility model.

[0021] In the diagram: 1. Base; 2. Placement platform; 3. Mixing and shearing device; 301. Drive stepper motor; 302. Support frame; 303. Processing cylinder; 304. Connecting frame; 305. Rotating shaft; 306. Bending blade; 307. Scraper; 308. Inner material passage; 4. Bottom end detection device; 401. Control valve; 402. Feed pipe; 403. Insulation pipe; 404. Placement plate; 405. Temperature regulation equipment; 406. Connecting pipe; 407. Temperature sensor; 408. Bearing plate; 409. Suction pump; 5. Photovoltaic power supply component. Detailed Implementation

[0022] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Please refer to Figures 1-4 The present application provides the following technical solutions:

[0024] A raw material shearing mixing machine for photovoltaic cell silver paste printing, comprising a base 1, a stand is arranged on the top of the base 1, a placing table 2 is arranged on the top of the stand, a photovoltaic power supply assembly 5 is arranged on the top of the placing table 2, a mixing shearing device 3 is arranged on the bottom of the placing table 2, and a bottom end detection device 4 is arranged on the bottom of the mixing shearing device 3.

[0025] The bottom end detection device 4 comprises a control valve 401, a discharging pipe 402, a heat preservation pipe 403, a placing plate 404, a temperature adjusting device 405, a connecting pipe 406, a temperature sensor 407, a bearing plate 408 and a suction pump 409, the discharging pipe 402 is fixedly connected to the bottom of the processing cylinder 303, the control valve 401 is connected to the inner top end of the discharging pipe 402, the heat preservation pipe 403 is connected to the surface of the discharging pipe 402, the placing plate 404 is fixedly connected to the front face of the heat preservation pipe 403, the temperature adjusting device 405 is connected to the front face of the placing plate 404, the connecting pipe 406 is connected to the right middle part of the discharging pipe 402, the bearing plate 408 is fixedly connected to the right bottom of the processing cylinder 303, the temperature sensor 407 is fixedly connected to the bottom of the bearing plate 408, the bottom of the temperature sensor 407 is inserted into the inside of the connecting pipe 406, the temperature sensor 407 extends into the inside of the connecting pipe 406 to detect the temperature of the adsorbed gas, when the temperature is low, the above mixing shearing assembly needs to be continuously started for continuous processing, until the discharge meets the requirements, the suction pump 409 is fixedly connected to the left side of the right stand, and the end, away from the discharging pipe 402, of the connecting pipe 406 is fixedly connected to the left side of the suction pump 409.

[0026] The mixing and shearing device 3 comprises a driving stepper motor 301, a supporting frame 302, a processing cylinder 303, a connecting frame 304, a rotating shaft 305, a bent paddle 306, a scraper 307 and an inner material channel 308. The driving stepper motor 301 is fixedly connected to the bottom of the placing table 2. The rotating shaft 305 is fixedly connected to the output shaft of the driving stepper motor 301. The connecting frame 304 is fixedly connected to the surface of the rotating shaft 305. The scraper 307 is fixedly connected to the front face and the back face of the connecting frame 304. The back face of the processing cylinder 303 is provided with a feeding pipe. The rotating shaft 305 extends through the top of the processing cylinder 303 and is connected to the inside of the processing cylinder 303. The bent paddle 306 is fixedly connected to the inside of the connecting frame 304. The scraper 307 is slidingly connected to the inside of the processing cylinder 303. The inner material channel 308 is arranged in the inside of the scraper 307. The scraper 307 can slide along the inner wall of the processing cylinder 303 to avoid that the raw materials adhere to the inner wall of the processing cylinder 303. The inside of the scraper 307 is provided with the inner material channel 308, so that the scraped raw materials can slide out of the inside of the scraper 307, avoiding the situation that the scraped raw materials cannot slide due to blockage. The supporting frame 302 is fixedly connected to the side face of the stand. The processing cylinder 303 is fixedly connected to the end of the supporting frame 302 away from the stand.

[0027] In use, the photovoltaic cell silver paste raw materials are added into the inside of the processing cylinder 303 from the feeding pipe at the back face of the processing cylinder 303. Then the driving stepper motor 301 is started to drive the rotating shaft 305 to rotate, so that the connecting frame 304 on the surface of the rotating shaft 305 rotates. The connecting frame 304 helps to mix and process. The bent paddle 306 is arranged in the connecting frame 304. The bent paddle 306 is designed to bend upward to enhance the shearing and stirring effect on the raw materials. The upper and lower groups of connecting frames 304 and bent paddles 306 are arranged to effectively stir the raw materials at different positions, ensuring comprehensive mixing. The scraper 307 is arranged on the front face and the back face of the connecting frame 304 to slide along the inner wall of the processing cylinder 303 to avoid that the raw materials adhere to the inner wall of the processing cylinder 303. The inside of the scraper 307 is provided with the inner material channel 308, so that the scraped raw materials can slide out of the inside of the scraper 307, avoiding the situation that the scraped raw materials cannot slide due to blockage. The inside of the processing cylinder 303 can be sheared and mixed. The bottom end detection device 4 is arranged at the bottom of the processing cylinder 303. A small amount of raw materials can be put into the inside of the control valve 401 through the opening of the control valve 401 and the discharging pipe 402. Then the heat preservation pipe 403 arranged on the surface is used for heat preservation. Then the suction pump 409 is started to adsorb part of the gas. Then the temperature sensor 407 is used to detect the temperature of the gas to judge the temperature of the silver paste inside, so as to judge the mixing condition. The mixing device can detect the temperature of the discharged materials to judge whether the mixing process meets the requirements, avoiding the situation that the mixing is insufficient but the materials are still discharged. The effect in use is good.

[0028] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments can be changed, modified, replaced and varied in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A raw material shearing mixer for silver paste printing of a photovoltaic cell, comprising a base (1), characterized in that: The top of the base (1) is provided with a stand, the top of the stand is provided with a placing table (2), the top of the placing table (2) is provided with a photovoltaic power supply assembly (5), the bottom of the placing table (2) is provided with a mixed shearing device (3), and the bottom of the mixed shearing device (3) is provided with a bottom end detection device (4). The bottom end detection device (4) comprises a control valve (401), a discharging pipe (402), a heat preservation pipe (403), a placing plate (404), a temperature adjusting device (405), a connecting pipe (406), a temperature sensor (407), a bearing plate (408) and a suction pump (409), the discharging pipe (402) is fixedly connected to the bottom of the processing cylinder (303), the control valve (401) is connected to the inner top end of the discharging pipe (402), the heat preservation pipe (403) is connected to the surface of the discharging pipe (402), the placing plate (404) is fixedly connected to the front surface of the heat preservation pipe (403), the temperature adjusting device (405) is connected to the front surface of the placing plate (404), the connecting pipe (406) is connected to the right middle part of the discharging pipe (402), and the bearing plate (408) is fixedly connected to the right bottom of the processing cylinder (303).

2. The raw material shearing mixer for silver paste printing of a photovoltaic cell according to claim 1, characterized in that: The mixed shearing device (3) comprises a driving stepper motor (301), a support frame (302), a processing cylinder (303), a connecting frame (304), a rotating shaft rod (305), a bent paddle (306), a scraper (307) and an inner feeding groove (308), the driving stepper motor (301) is fixedly connected to the bottom of the placing table (2), the rotating shaft rod (305) is fixedly connected to the output shaft of the driving stepper motor (301), the connecting frame (304) is fixedly connected to the surface of the rotating shaft rod (305), the scraper (307) is fixedly connected to the front surface and the back surface of the connecting frame (304), and the back surface of the processing cylinder (303) is provided with a feeding pipe.

3. The raw material shearing mixer for silver paste printing of a photovoltaic cell according to claim 2, characterized in that: The rotating shaft rod (305) extends through the top of the processing cylinder (303) and is connected to the inside of the processing cylinder (303), and the bent paddle (306) is fixedly connected to the inside of the connecting frame (304).

4. The raw material shearing mixer for silver paste printing of a photovoltaic cell according to claim 2, characterized in that: The scraper (307) is slidingly connected to the inside of the processing cylinder (303), and the inner feeding groove (308) is formed in the inside of the scraper (307).

5. The raw material shearing mixer for silver paste printing of a photovoltaic cell according to claim 1, wherein: The suction pump (409) is fixedly connected to the left side of the right stand, and one end of the connecting pipe (406) away from the discharging pipe (402) is fixedly connected to the left side of the suction pump (409).

6. The raw material shearing mixer for silver paste printing of a photovoltaic cell according to claim 2, characterized in that: The support frame (302) is fixedly connected to the side surface of the stand, and the processing cylinder (303) is fixedly connected to one end of the support frame (302) away from the stand.

7. The raw material shearing mixer for silver paste printing of a photovoltaic cell according to claim 1, wherein: The temperature sensor (407) is fixedly connected to the bottom of the bearing plate (408), and the bottom of the temperature sensor (407) is inserted into the inside of the connecting pipe (406).

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