Screening device for electronic paste
By introducing a vibratory motor-driven vibrator and an airflow purging device into the electronic slurry screening device, the problem of the screening device being difficult to clean is solved, achieving efficient screening and automatic cleaning, and ensuring product quality and production continuity.
Patent Information
- Application Number
- CN202422818170.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-11-19
AI Technical Summary
Screening devices that are difficult to clean can easily cause residues from the previous batch to mix into the new batch of slurry, resulting in contamination and affecting the purity and performance of the final product. Furthermore, the screen holes are prone to clogging, leading to a decrease in screening accuracy and affecting particle size distribution.
A screening device for electronic slurry was designed. A vibrator driven by a vibrating motor generates uniform and efficient vibration of the screening plate. An airflow purging device is also provided to periodically remove blockages on the screen, ensuring unobstructed screen flow, avoiding cross-contamination, and improving screening accuracy.
It improves screening efficiency, reduces the frequency of manual cleaning and maintenance costs, ensures product purity and performance consistency, reduces downtime, and improves production continuity and efficiency.
Smart Images

Figure CN223570200U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of screening device, especially electronic paste's screening device. BACKGROUND
[0002] The main components of electronic paste are common metals including silver, copper, gold, aluminum, etc. The selection of metal powder depends on the performance requirements of the final product, such as electrical conductivity, heat resistance and mechanical strength. The organic carrier usually includes resin and solvent, which functions to give the paste appropriate fluidity for printing or coating process. Paste is an important material widely used in electronic industry, especially in the fields of manufacturing circuit boards, solar panels, display screens, semiconductor devices, etc. Electronic paste is usually composed of metal powder, organic carrier and other additives. These components form a paste-like substance with certain fluidity after mixing.
[0003] The screening device that is not convenient to clean can easily cause the residues of the previous batch to mix into the new batch of paste, causing contamination and affecting the purity and performance of the final product. The residues can cause the screen holes to be blocked, reducing the screening accuracy and affecting the particle size distribution of the paste, which in turn affects the performance and consistency of the product.
[0004] Therefore, in view of the above-mentioned problem that the screening device that is not convenient to clean can easily cause the residues of the previous batch to mix into the new batch of paste, the residues can cause the screen holes to be blocked, reducing the screening accuracy and affecting the particle size distribution of the paste, an electronic paste screening device can be designed. The vibrator driven by the vibration motor makes the screening plate vibrate uniformly and efficiently. The airflow sweeping device periodically removes the blockage on the screen to keep the screen unblocked. SUMMARY
[0005] In order to overcome the problem that the screening device that is not convenient to clean can easily cause the residues of the previous batch to mix into the new batch of paste, the residues can cause the screen holes to be blocked, reducing the screening accuracy and affecting the particle size distribution of the paste.
[0006] The technical solution of the utility model is: an electronic paste screening device, comprising a mounting plate, a screening assembly and a sweeping assembly. The mounting plate surface is installed with a screening assembly for screening electronic paste. The mounting plate surface is installed with a sweeping assembly for cleaning the screening device. The screening assembly comprises a hopper, a mounting box, a vibration motor, a mounting column, a clamping plate, a fixed plate, a support column, a discharge port, a vibrator and a screening plate. The mounting plate surface is provided with a hopper. The upper end of the hopper is provided with a screening plate for screening electronic paste. The outside of the screening plate is provided with a mounting box. The two sides of the mounting plate are symmetrically provided with two groups of clamping plates for supporting and fixing.
[0007] Preferably, the vibrator driven by the vibration motor makes the screening plate vibrate uniformly and efficiently, ensures that the materials are fully dispersed on the screen surface, improves the screening efficiency, and periodically removes the blockage on the screen by the air blowing device to keep the screen unblocked and avoid the decrease of the screening efficiency caused by blockage. The design of the screening plate and the precise control of the vibration module ensure that the materials are screened according to the predetermined particle size distribution, improve the quality consistency of the products, the automatic blowing function can effectively remove the residues on the screen, avoid cross contamination between different batches of materials, ensure the purity and performance of the products, and can also automatically remove the blockage on the screen, reduce the frequency and time of manual cleaning, reduce the maintenance cost, reduce the downtime caused by blockage, and improve the production continuity and efficiency.
[0008] Preferably, the vibrator is connected to the two sides of the screening plate, the vibration motor is arranged at the end of the vibrator away from the screening plate, the mounting column connected with the clamping plate is arranged at the lower end of the vibration motor, and the vibration motor drives the vibrator to vibrate the screening plate.
[0009] Preferably, the discharge port is connected to the lower end of the inverted hopper, the four groups of fixing plates are arranged at the lower side corners of the mounting plate, and the supporting columns are arranged at the lower ends of the fixing plates.
[0010] Preferably, the blowing assembly comprises an air compressor, a nozzle, a connecting block, a conveying pipe, a placing plate and a support, and the nozzle is arranged at the upper end of the screening plate on the inner side of the mounting box.
[0011] Preferably, the placing plate is arranged on one side of the surface of the mounting plate, and the four groups of supports are arranged at the upper side corners of the placing plate.
[0012] Preferably, the air compressor is arranged at the top end of the support, and the conveying pipe connected with the nozzle is arranged on the surface of the air compressor.
[0013] Preferably, the connecting block is arranged on the side of the conveying pipe close to the air compressor, and the air compressor compresses air and transmits the air to the nozzle through the conveying pipe.
[0014] The utility model discloses the beneficial effects of:
[0015] 1、Compared with the traditional electronic paste screening device, the new type is driven by the vibrator of the vibration motor, so that the screening plate produces uniform and efficient vibration, ensures that the material is fully dispersed on the screen surface, improves the screening efficiency, removes the blockage on the screen by the air blowing device periodically, keeps the screen unblocked, avoids the decrease of the screening efficiency caused by the blockage, the design of the screening plate and the accurate control of the vibration module ensure that the material is screened according to the predetermined particle size distribution, improves the quality consistency of the product, the automatic blowing function can effectively remove the residues on the screen, avoids the cross contamination between different batches of materials, ensures the purity and performance of the product, can also automatically remove the blockage on the screen, reduces the frequency and time of manual cleaning, reduces the maintenance cost, reduces the downtime caused by the blockage, improves the production continuity and efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 The electronic paste screening device of the utility model is shown as a whole structure schematic view.
[0017] Figure 2 The electronic paste screening device of the utility model is shown as a whole structure schematic view.
[0018] Figure 3 The electronic paste screening device of the utility model is shown as a whole structure schematic view.
[0019] Figure 4 The electronic paste screening device of the utility model is shown as a whole structure schematic view.
[0020] The figure mark explanation: 1, the mounting plate; 201, the inverted hopper; 202, the installation box; 203, the vibration motor; 204, the mounting column; 205, the clamping plate; 206, the fixed plate; 207, the support column; 208, the discharge port; 209, the vibrator; 210, the screening plate; 301, the air compressor; 302, the nozzle; 303, the connecting block; 304, the conveying pipe; 305, the placement plate; 306, the support. DETAILED DESCRIPTION
[0021] The utility model is further explained in connection with the drawings and examples.
[0022] Please refer to Figure 1 - Figure 4The utility model provides a kind of embodiment: electronic pulp's screening device, including mounting plate 1, screening subassembly and purging subassembly;Mounting plate 1 surface is equipped with the screening subassembly for screening electronic pulp, and purging subassembly is equipped on the surface of mounting plate 1 to clean screening device, and screening subassembly includes inverted hopper 201, installation box 202, vibration motor 203, mounting column 204, clamping plate 205, fixed plate 206, support column 207, discharge port 208, vibrator 209 (the model of vibrator 209 is Xinxiang vibration XSZ-200) and screening plate 210, mounting plate 1 surface is equipped with inverted hopper 201, and the upper end of inverted hopper 201 is equipped with screening plate 210 for screening electronic pulp, and installation box 202 is equipped on the outside of screening plate 210, and two groups of clamping plate 205 for supporting fixation are symmetrically equipped on the both sides of mounting plate 1.
[0023] Please refer to Figure 1 Figure 2 In the embodiment, vibrator 209 is connected and arranged on the both sides of screening plate 210, and vibration motor 203 is arranged on the end of vibrator 209 away from screening plate 210, and mounting column 204 connected with clamping plate 205 is arranged on the lower end of vibration motor 203, vibration motor 203 drives vibrator 209 to make screening plate 210 vibrate, vibrator 209 is connected and arranged on the both sides of screening plate 210, to ensure uniform distribution of vibration, avoid the inconsistency of screening caused by uneven vibration of some parts of screening plate 210, the rotating speed and vibration frequency of vibration motor 203 can be accurately adjusted by controller, to adapt to electronic pulp of different granularity and nature, improve screening efficiency and precision, vibration motor 203 and vibrator 209 are stably fixed, to ensure that the equipment remains stable during long time operation, reduce failure rate, discharge port 208 is connected on the lower end of inverted hopper 201, four groups of fixed plate 206 are arranged on the lower side corner of mounting plate 1, support column 207 is arranged on the lower end of fixed plate 206, four groups of fixed plate 206 are arranged on the lower side corner of mounting plate 1, to ensure that the four corners of the equipment have stable support, reduce shaking and vibration, fixed support column 207 provides additional support, to ensure that the equipment remains stable during long time operation, reduce failure rate, discharge port 208 is connected on the lower end of inverted hopper 201, to facilitate the discharge of screened material, reduce manual intervention, improve operation convenience, this design can significantly improve screening efficiency and product quality, reduce failure rate.
[0024] Please refer to Figure 2 Figure 3 In this embodiment, the blowing assembly includes an air compressor 301 (model: Fusheng RSV-11GA), a nozzle 302, a connecting block 303, a conveying pipe 304, a placement plate 305, and a bracket 306. The inside of the installation box 202 is provided with the nozzle 302 on the upper end of the screening plate 210, which can directly aim at the upper end of the screening plate 210 to clean the clogging in the screen hole in time, keep the screen unobstructed, and ensure that the high-pressure gas can uniformly cover each part of the screen, improving the cleaning effect. The nozzle 302 is connected with the air flow blowing system, which can realize automatic regular blowing and reduce manual intervention, improving production efficiency. The instant blowing of the nozzle 302 can quickly remove the clogging, reduce production interruption, and improve production continuity. The surface of the installation plate 1 is provided with the placement plate 305 on one side of the installation box 202. Four groups of brackets 306 are arranged at the upper corners of the placement plate 305. Four groups of brackets 306 are arranged at the upper corners of the placement plate 305, which can ensure the stable placement of the air compressor 301 and other equipment, reduce the influence of shaking and vibration on the equipment, and provide stable support points to ensure the balance of the equipment during operation. The integrated design of the placement plate 305 and the bracket 306 makes the installation and disassembly of the air compressor 301 and other equipment more convenient, reduces the operation complexity, and makes the air compressor 301 and other equipment can be installed close to the vibrating screen, saving space and suitable for small or space-limited production environment.
[0025] Please refer to Figure 3 Figure 4 In this embodiment, the top of the support 306 is provided with an air compressor 301, the surface of the air compressor 301 is provided with a conveying pipe 304 connected with the nozzle 302, the air compressor 301 is installed at the top of the support 306, which ensures the stable placement of the equipment and reduces the influence of shaking and vibration on the equipment, the four groups of supports 306 are evenly distributed to provide stable support points and ensure the balance of the air compressor 301 during operation, the surface of the air compressor 301 is provided with a conveying pipe 304 connected with the nozzle 302 to ensure the stable supply of high-pressure gas and improve the cleaning effect, the design of the conveying pipe 304 can ensure that the airflow is uniformly sprayed to each part of the screen, avoiding local insufficient cleaning, the side close to the air compressor 301 of the conveying pipe 304 is provided with a connecting block 303, the air compressor 301 compresses air which is transmitted to the nozzle 302 through the conveying pipe 304, the design of the connecting block 303 ensures the stable connection of the conveying pipe 304 and the air compressor 301, reduces loosening and leakage caused by vibration, the connecting block 303 can provide additional support points to ensure the stability of the conveying pipe 304 during high-pressure gas transmission, the design of the connecting block 303 ensures the stable connection of the conveying pipe 304 and the air compressor 301, reduces loosening and leakage caused by vibration, the connecting block 303 can provide additional support points to ensure the stability of the conveying pipe 304 during high-pressure gas transmission, stable connection and transmission can ensure the efficient use of compressed air and avoid resource waste.
[0026] In operation, first, the electronic paste is placed in the screening plate 210, after the vibration motor 203 is started, the vibration motor 203 is fixed through the mounting column 204 and the clamping plate 205 to ensure stable operation of the vibration motor 203, the rotary motion of the vibration motor 203 is transmitted to the vibrator 209, the vibrator 209 transmits vibration to the screening plate 210, so that the material on the screening plate 210 is uniformly dispersed under the action of vibration, the fine particles fall through the screen holes, and the coarse particles remain on the screening plate 210, the screened material is discharged through the discharge port 208 at the lower end of the material hopper 201, the screening process is completed, then the air compressor 301 is started, after the air compressor 301 is started, high-pressure gas is generated, the high-pressure gas is transmitted to the nozzle 302 through the conveying pipe 304, the nozzle 302 sprays high-pressure gas to remove the blockage on the screen to keep the screen unblocked.
[0027] Through the above steps, the vibrator 209 driven by the vibration motor 203 makes the screening plate 210 vibrate uniformly and efficiently, ensures that the materials are fully dispersed on the screen surface, improves the screening efficiency, and periodically removes the blockage on the screen by the air blowing device to keep the screen unblocked and avoid the decline of screening efficiency caused by blockage. The design of the screening plate 210 and the precise control of the vibration module ensure that the materials are screened according to the predetermined particle size distribution, improve the quality consistency of the products, the automatic blowing function can effectively remove the residues on the screen to avoid cross contamination between different batches of materials, ensure the purity and performance of the products, and automatically remove the blockage on the screen to reduce the frequency and time of manual cleaning, reduce the maintenance cost, reduce the downtime caused by blockage, improve the production continuity and efficiency, and solve the problem that the screening device is not convenient to clean, which is easy to cause the residues of the previous batch, and the residues may cause the screen hole to be blocked, which reduces the screening accuracy and affects the particle size distribution of the slurry.
Claims
1. A sieving device for electronic paste, comprising a mounting plate (1); characterized in that: It also includes a screening component and a purging component; a screening component for screening electronic paste is installed on the surface of the mounting plate (1), and a purging component for cleaning the screening device is installed on the surface of the mounting plate (1). The screening component includes a hopper (201), a mounting box (202), a vibrating motor (203), a mounting column (204), a clamping plate (205), a fixing plate (206), a support column (207), a discharge port (208), a vibrator (209), and a screening plate (210). The hopper (201) is inserted through the surface of the mounting plate (1). The upper end of the hopper (201) is provided with a screening plate (210) for screening electronic paste. The mounting box (202) is fitted on the outside of the screening plate (210). Two sets of clamping plates (205) for support and fixation are symmetrically provided on both sides of the mounting plate (1). (210) Both sides are connected to vibrators (209). The vibrator (209) is equipped with a vibrating motor (203) at the end away from the screening plate (210). The lower end of the vibrating motor (203) is equipped with a mounting column (204) connected to the clamping plate (205). The vibrating motor (203) drives the vibrator (209) to vibrate the screening plate (210). The purging assembly includes an air compressor (301), a nozzle (302), a connecting block (303), a conveying pipe (304), a placement plate (305), and a bracket (306). The inner side of the mounting box (202) is equipped with a nozzle (302) at the upper end of the screening plate (210). The top of the bracket (306) is equipped with an air compressor (301). The surface of the air compressor (301) is equipped with a conveying pipe (304) connected to the nozzle (302).
2. The electronic paste screening device according to claim 1, characterized in that: The lower end of the hopper (201) is connected to the discharge port (208), and four sets of fixing plates (206) are provided at the lower corner of the mounting plate (1). The lower end of the fixing plate (206) is provided with a support column (207).
3. The sieving device for electronic paste according to claim 1, characterized in that: The mounting plate (1) has a placement plate (305) on one side of the mounting box (202), and four sets of brackets (306) are provided at the upper corner of the placement plate (305).
4. The electronic paste screening device according to claim 1, characterized in that: A connecting block (303) is provided on the side of the delivery pipe (304) near the air compressor (301), and the compressed air from the air compressor (301) is transmitted to the nozzle (302) through the delivery pipe (304).