Conductive silver paste defoaming equipment
By introducing defoaming agent pre-store bucket and stirring rod into the conductive silver paste defoaming equipment, combined with the design of heating tubes and stirring leaves, the problem of insufficient defoaming of existing equipment is solved, and efficient chemical and physical defoaming treatment is achieved.
Patent Information
- Application Number
- CN202422461922.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-12
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-10-12
AI Technical Summary
The existing conductive silver paste defoaming equipment has insufficient defoaming effect, and cannot cooperate physically and chemically, has low defoaming efficiency and is not convenient enough to feed.
A device including a defoamer pre-store bucket, a feeding motor base, a stirring rod and a conductive silver paste defoamer box is designed. The quantitative addition and discharge of the defoamer is achieved through the guide tube and the discharge hole tube, and combined with the heating of the electric heating tube and the mechanical defoaming treatment of the stirring leaves.
The coordinated treatment of chemical and physical defoaming is realized, the defoaming efficiency is improved, the addition and use of defoaming agents is facilitated, and the adequacy of defoaming is ensured.
Smart Images

Figure CN223170392U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of conductive silver paste defoaming equipment, in particular to a conductive silver paste defoaming equipment. Background Technique
[0002] The conductive silver paste defoaming equipment is used for defoaming the conductive silver paste. The silver conductive paste is divided into two categories: ① Polymer silver conductive paste (dried or cured into a film, with an organic polymer as the bonding phase); ② Sintered silver conductive paste (sintered into a film, sintering temperature > 500 °C, with glass powder or oxide as the bonding phase). The silver powder is classified according to the particle size, and the average particle size;
[0003] For example, the authorized patent (defoaming equipment) with the publication number CN213527545U: includes a liquid storage chamber, which is arranged at the bottom of the defoaming equipment for storing the defoaming solution; a diversion chamber, which is arranged at the top of the defoaming equipment. A first diversion pipe is arranged on the side wall of the diversion chamber, and a diversion device is arranged in the diversion chamber, and the diversion device is connected to the first diversion pipe. The defoaming process of high-viscosity solutions is very long. For example, in the case of a PVA aqueous solution, a large amount of solvent will volatilize during the defoaming process, and saturated steam will be formed in the chamber inside the defoaming equipment. When encountering the defoaming process of temperature reduction, or temperature fluctuations during the defoaming process, the saturated solvent steam will condense into liquid solvent. The defoaming equipment provided by the embodiment of the utility model is provided with a diversion device in the diversion chamber, and the solvent condensed inside the diversion chamber flows out of the defoaming equipment through the diversion device and then through the first diversion pipe, effectively solving the problem that the reflux solvent flows back into the high-viscosity solution and causes uneven local concentration of the solution;
[0004] The defoaming effect of the above-mentioned prior art is insufficient, and it is impossible to carry out defoaming treatment by physical and chemical cooperation, the defoaming efficiency is low, the use is not convenient enough, the defoaming is not sufficient enough, and the feeding during the chemical defoaming process is not convenient enough. Content of the Utility Model
[0005] The purpose of the utility model is to provide a conductive silver paste defoaming equipment to solve the problems of insufficient defoaming effect, inability to carry out defoaming treatment by physical and chemical cooperation, low defoaming efficiency, inconvenient use, insufficient defoaming, and inconvenient feeding during the chemical defoaming process proposed in the above background technique.
[0006] To achieve the above purpose, the utility model provides the following technical solution: A conductive silver paste defoaming equipment, including a defoaming agent pre-storage hopper, a material distribution motor base, a stirring rod and a conductive silver paste defoaming box. The top of the stirring rod is connected to the material distribution motor base, the material distribution motor base is arranged in the middle of the top of the conductive silver paste defoaming box, the top of the material distribution motor base is connected to the defoaming agent pre-storage hopper through a support frame, a feeding hopper is arranged in the middle of the top of the defoaming agent pre-storage hopper, guide pipes are arranged on both sides of the bottom of the defoaming agent pre-storage hopper, and a top cover is arranged on the top of the material distribution motor base.
[0007] In a further embodiment, feed heads are provided on both sides of the top of the material distribution motor seat, and the feed heads are connected to the bottom end of the material guide pipe.
[0008] In a further embodiment, a connecting shaft is provided at the middle portion of the top end of the stirring rod, and the output shaft of the motor is connected to the end of the connecting shaft.
[0009] In a further embodiment, stirring blades are provided on both sides of the stirring rod, and the stirring blades are configured as a foldable structure.
[0010] In a further embodiment, it further includes an electric heating tube, wherein a plurality of the electric heating tubes are provided and the plurality of electric heating tubes are evenly arranged on the sides of the stirring rod.
[0011] In a further embodiment, a discharge hole tube is provided at the end of the stirring rod, and a material receiving port is provided at the top side of the stirring rod.
[0012] Compared with the prior art, the beneficial effects of the present invention are:
[0013] 1. The utility model is provided with a defoaming agent pre-storage hopper, and the defoaming agent pre-storage hopper is connected to the dispensing motor seat through a material guide pipe. The defoaming agent is conveniently added to the dispensing motor seat in a quantitative manner through the material guide pipe, and the dispensing motor seat can be connected to the inner cavity of the stirring rod, making it convenient to add materials. A discharge hole tube is provided at the end of the stirring rod, and the defoaming agent is conveniently discharged into the conductive silver paste defoaming box through the discharge hole tube, which facilitates the addition of the defoaming agent and enables chemical defoaming treatment.
[0014] 2. The utility model has multiple electric heating tubes on the outside of the stirring rod, which can heat the conductive silver paste in the conductive silver paste defoaming box, so that the number of bubbles in the conductive silver paste can be increased by changing the temperature, thereby performing defoaming treatment. The conductive silver paste defoaming box can be mechanically defoamed by the stirring blade. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic structural diagram of a conductive silver paste defoaming device of the present invention;
[0016] Figure 2 This is the main view of the defoaming agent pre-storage bucket of the utility model;
[0017] Figure 3 This is a top view of the material distribution motor base of the utility model;
[0018] Figure 4 This is a schematic structural diagram of the stirring rod of the utility model;
[0019] Figure 5 It is a top view of the stirring rod of the present invention.
[0020] In the figure: 1, feeding hopper; 2, antifoaming agent pre-storage hopper; 3, material guiding pipe; 4, support frame; 5, motor; 6, material distributing motor base; 7, stirring rod; 8, conductive silver paste antifoaming tank; 9, top cover; 10, connecting shaft; 11, electric heating pipe; 12, stirring blade; 13, discharge hole pipe; 14, material receiving port. Specific embodiments
[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.
[0022] Please refer to Figures 1-5 , an embodiment provided by the present invention: a conductive silver paste antifoaming device, including an antifoaming agent pre-storage hopper 2, a material distributing motor base 6, a stirring rod 7 and a conductive silver paste antifoaming tank 8. The top of the stirring rod 7 is connected to the material distributing motor base 6. The material distributing motor base 6 is arranged in the middle of the top end of the conductive silver paste antifoaming tank 8. The top of the material distributing motor base 6 is connected to the antifoaming agent pre-storage hopper 2 through a support frame 4. A feeding hopper 1 is arranged in the middle of the top end of the antifoaming agent pre-storage hopper 2. Guide pipes 3 are arranged on both sides of the bottom of the antifoaming agent pre-storage hopper 2. A top cover 9 is arranged at the top end of the material distributing motor base 6; the installation of the motor 5 is facilitated through the material distributing motor base 6. The conductive silver paste is defoamed through the conductive silver paste antifoaming tank 8. The elevation support of the antifoaming agent pre-storage hopper 2 is facilitated through the support frame 4. The antifoaming agent is pre-stored through the antifoaming agent pre-storage hopper 2. The antifoaming agent in the antifoaming agent pre-storage hopper 2 is conveniently added into the material distributing motor base 6 through the guide pipe 3.
[0023] Feeding heads are arranged on both sides of the top of the material distributing motor base 6. The feeding heads are connected to the bottom ends of the guide pipes 3. The antifoaming agent in the guide pipes 3 is conveniently fed into the material distributing motor base 6 through the feeding heads.
[0024] A connecting shaft 10 is arranged in the middle of the top end of the stirring rod 7. The output shaft of the motor 5 is connected to the end of the connecting shaft 10. The connection between the stirring rod 7 and the output shaft of the motor 5 is facilitated through the connecting shaft 10; Stirring blades 12 are arranged on both sides of the stirring rod 7, and the stirring blades 12 are set as a collapsible structure. The stirring of the stirring rod 7 is controlled through the stirring blades 12. A discharge hole pipe 13 is arranged at the end of the stirring rod 7. A material receiving port 14 is arranged on the side of the top end of the stirring rod 7. The discharge of the antifoaming agent is facilitated through the discharge hole pipe 13.
[0025] A plurality of electric heating pipes 11 are provided, and the plurality of electric heating pipes 11 are evenly arranged on the side of the stirring rod 7. The conductive silver paste in the conductive silver paste antifoaming tank 8 can be heated and defoamed through the electric heating pipes 11.
[0026] Working principle: When in use, the defoaming agent is added into the defoaming agent storage hopper 2 from the feeding hopper 1. The bottom of the defoaming agent storage hopper 2 is connected to the top feeding head of the material distributing motor base 6 through the feeding pipe 3. The defoaming agent is introduced into the material distributing motor base 6 through the feeding head for collection. The top end of the stirring rod 7 is connected to the output shaft of the motor 5 through the connecting shaft 10. The motor 5 drives the stirring rod 7 to rotate. The outer side of the conductive silver paste defoaming tank 8 is mixed and stirred by the stirring rod 7 and the stirring blades 12 on its outer side, so that the defoaming agent and the conductive silver paste interact with each other for defoaming treatment. The defoaming agent is received through the material receiving port 14 and discharged into the conductive silver paste defoaming tank 8 through the discharge hole pipe 13. The conductive silver paste can be heated and controlled by the electric heating pipe 11, so that defoaming treatment can be carried out by raising the temperature.
[0027] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.
Claims
1. A conductive silver paste defoaming device, comprising a defoamer pre-storage hopper (2), a material distribution motor base (6), a stirring rod (7) and a conductive silver paste defoaming tank (8), characterized in that: The top of the stirring rod (7) is connected to the material distributing motor base (6), the material distributing motor base (6) is arranged in the middle of the top end of the conductive silver paste defoaming tank (8), the top of the material distributing motor base (6) is connected to the defoamer pre-storage hopper (2) through a support frame (4), a feeding hopper (1) is arranged in the middle of the top end of the defoamer pre-storage hopper (2), guide pipes (3) are arranged on both sides of the bottom of the defoamer pre-storage hopper (2), and a top cover (9) is arranged on the top end of the material distributing motor base (6).
2. The defoaming device for conductive silver paste according to claim 1, wherein: Feeding heads are arranged on both sides of the top of the material distributing motor base (6), and the feeding heads are connected to the bottom ends of the guide pipes (3).
3. The defoaming device for conductive silver paste according to claim 1, characterized in that: A connecting shaft (10) is arranged in the middle of the top end of the stirring rod (7), and the output shaft of the motor (5) is connected to the end of the connecting shaft (10).
4. The defoaming device for conductive silver paste according to claim 1, wherein: Stirring blades (12) are arranged on both sides of the stirring rod (7), and the stirring blades (12) are arranged in a foldable structure.
5. A defoaming device for conductive silver paste according to claim 1, characterized in that: It further includes electric heating tubes (11), there are multiple electric heating tubes (11) in total, and the multiple electric heating tubes (11) are evenly arranged on the side of the stirring rod (7).
6. The defoaming device for conductive silver paste according to claim 1, characterized in that: A discharge hole pipe (13) is arranged at the end of the stirring rod (7), and a material receiving port (14) is arranged on the side of the top end of the stirring rod (7).
Citation Information
Patent Citations
Defoaming equipment
CN213527545U