Silver powder separating device
By designing the stirring and filtering components of the silver powder separation device, the problem of removing suspended silver powder from silver powder was solved, achieving uniform mixing and efficient separation of silver powder and solvent, improving product quality and reducing production costs.
Patent Information
- Application Number
- CN202423188305.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2034-12-24
AI Technical Summary
Existing technologies are unable to effectively remove suspended silver powder that is repelled by the solvent in silver powder, leading to problems such as splashing, oxidation and discoloration, and short circuits during silver paste printing, which affect product quality and performance.
A silver powder separation device was designed, comprising a stirring assembly and a filtration assembly. Through structures such as a stirring chamber, stirring rod, scraper, and filter screen, the device achieves uniform mixing and separation of silver powder and solvent, preventing sedimentation. Combined with coarse and fine filter screens, the device enables efficient recovery and reuse of the solvent.
It improves the separation effect of silver powder and the consistency of product quality, reduces production costs, reduces environmental pollution, and achieves efficient solvent recovery and sustainable resource utilization.
Smart Images
Figure CN223832149U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of silver powder separation technology, specifically a silver powder separation device. Background Technology
[0002] Although silver powder manufacturers grade their produced silver powder, it is often based on physical particle size classification. The silver powder leaving the factory focuses on morphology and the main particle size used. However, some silver powder that is repelled by some solvents is generated during the production process. Customers who use silver powder use various solvents and often have more refined requirements. These suspended silver powders that are often repelled by solvents need to be treated.
[0003] However, in actual use, the suspended silver powder in the silver powder is often difficult to integrate with some solvents and other organic substances due to surface tension. After the silver paste is printed, it often splashes outside the circuit and is prone to oxidation, discoloration, short circuits of adjacent circuits, and a series of other problems. Therefore, it is important to remove these suspended silver powders from the silver powder.
[0004] Therefore, we propose a silver powder separation device. Utility Model Content
[0005] The purpose of this invention is to provide a silver powder separation device to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: A silver powder separation device includes a main body, a support leg is provided under the main body, and a stirring assembly is provided on the main body, the stirring assembly including:
[0007] The main body is provided with a stirring chamber, a solvent inlet is provided on the stirring chamber, a silver powder inlet is provided on the stirring chamber, and a base is provided on the stirring chamber;
[0008] A U-shaped frame is fixedly connected to the mixing chamber. A motor is fixedly installed on the U-shaped frame. A rotating rod is fixedly connected to the output end of the motor. A drive bevel gear is fixedly connected to the rotating rod. An upper bevel gear meshes with the drive bevel gear. A rotating rod is fixedly connected to the upper bevel gear.
[0009] A scraper is fixedly connected to the rotating rod, and a stirring rod is fixedly connected below the scraper. A lower bevel gear meshes with the driving bevel gear, and a stirring paddle is fixedly connected to the lower bevel gear. The stirring paddle is sleeved on the outside of the rotating rod.
[0010] Preferably, the solvent in the stirring chamber is the solvent to be used in the silver paste, which can be one type or two immiscible types; here, DBE is used.
[0011] Preferably, the stirring rods are arranged in two sets on the right, and the multiple sets of stirring rods are mirror images of the vertical center line of the scraper in the front-back direction, and are mirror images of the left and right ends of the scraper, so as to better perform the stirring work.
[0012] Preferably, the silver powder inlet is located directly above the solvent inlet.
[0013] Preferably, the main body is provided with a filter assembly, an output pipe is fixedly connected to the stirring chamber, a filter separation chamber is fixedly connected to the output pipe, a coarse filter screen is provided in the filter separation chamber, an input pipe is fixedly connected to the filter separation chamber, a solvent recovery chamber is fixedly connected to the input pipe, a fine filter screen is provided in the solvent recovery chamber, and an outlet is provided at the bottom of the solvent recovery chamber.
[0014] Preferably, the coarse filter is a double-layer filter with two layers of 500 mesh or higher, one inclined and one straight, and the solvent filter in the solvent recovery chamber is a double-layer filter with two layers of 800 mesh or higher, one inclined and one straight, to better facilitate recovery.
[0015] Compared with the prior art, the present invention provides a silver powder separation device, which has the following beneficial effects:
[0016] 1. To prevent silver powder and solvent from depositing on the wall surface, this silver powder separation device is equipped with a stirring assembly, a stirring chamber, a solvent inlet, a silver powder inlet, a chassis, a U-shaped frame, a motor, a rotating rod, a drive bevel gear, an upper bevel gear, a rotating rod, a scraper, a stirring rod, a lower bevel gear, and a stirring paddle. This avoids situations where the local silver powder concentration is too high or too low, ensuring the uniform distribution of silver powder in the solvent, and further improving the separation effect and the consistency of product quality.
[0017] 2. This silver powder separation device, in order to reduce the production costs of enterprises and reduce environmental pollution, is equipped with a filtration assembly, including an output pipe, a filtration separation chamber, a coarse filter, an input pipe, a solvent recovery chamber, a fine filter, and an outlet. This enables efficient recovery and reuse of the solvent, improves resource utilization, and conforms to the concept of sustainable development. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0019] Figure 2 This is a cross-sectional view of the mixing chamber of this utility model.
[0020] Figure 3 This utility model Figure 2 Enlarged structural diagram of region A in the middle;
[0021] Figure 4 This is a top view of the structure of this utility model.
[0022] In the diagram: 1. Main body; 2. Support leg; 3. Stirring assembly; 31. Stirring chamber; 32. Solvent inlet; 33. Silver powder inlet; 34. Chassis; 35. U-shaped frame; 36. Motor; 37. Rotating rod; 38. Drive bevel gear; 39. Upper bevel gear; 310. Rotating rod; 311. Scraper; 312. Stirring rod; 313. Lower bevel gear; 314. Stirring paddle; 4. Filter assembly; 41. Output pipe; 42. Filtration separation chamber; 43. Coarse filter screen; 44. Input pipe; 45. Solvent recovery chamber; 46. Fine filter screen; 47. Outlet. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0024] Please see Figure 1-4 This utility model provides a technical solution: a silver powder separation device includes a main body 1, a support leg 2 is provided under the main body 1, and a stirring component 3 is provided on the main body 1.
[0025] In one embodiment of this utility model, the stirring assembly 3 includes a stirring chamber 31. The solvent in the stirring chamber 31 is the solvent used for the silver paste, which can be one type or two immiscible solvents; here, DBE is used. The stirring chamber 31 is provided on the main body 1, and a solvent inlet 32 and a silver powder inlet 33 are provided on the stirring chamber 31, located directly above the solvent inlet 32. A base 34 is provided on the stirring chamber 31, and a U-shaped frame 35 is fixedly connected to the stirring chamber 31. A motor 36 is fixedly installed on the U-shaped frame 35. A rotating rod 37 is fixedly connected to the output end of motor 36. A driving bevel gear 38 is fixedly connected to the rotating rod 37. An upper bevel gear 39 meshes with the driving bevel gear 38. A rotating rod 310 is fixedly connected to the upper bevel gear 39. A scraper 311 is fixedly connected to the rotating rod 310. The user introduces solvent into the stirring chamber 31 through solvent inlet 32 and starts the motor 36 on the U-shaped frame 35. The motor 36 drives the rotating rod 37 to rotate, and the driving bevel gear 38 on the rotating rod 37 rotates simultaneously. The driving bevel gear 38 meshes with the upper bevel gear 39 and the lower bevel gear 313 respectively, driving the rotating rod 36 to rotate. The rotating rod 310 and the stirring paddle 314 rotate, and the scraper 311 and stirring rod 312 on the rotating rod 310 rotate together with the rotating rod 310, thereby pouring the silver powder into the stirring chamber 31 through the silver powder inlet 33, stirring and mixing the silver powder and solvent in the stirring chamber 31. The stirring rod 312 is fixedly connected to the scraper 311. There are two sets of stirring rods 312 on the right and left sides, and the multiple sets of stirring rods 312 are mirror images of the vertical center line of the scraper 311 in the front-back direction. The driving bevel gear 38 meshes with the lower bevel gear 313. A stirring paddle 314 is fixedly connected and sleeved on the outside of the rotating rod 310. During the stirring process, the stirring paddle 314 strongly stirs the solvent and silver powder, so that the silver powder is fully dispersed in the solvent. The scraper 311 rotates with the rotating rod 310 and continuously scrapes the inner wall of the stirring chamber 31 to prevent the silver powder and solvent from depositing on the wall surface, ensuring that all the silver powder can participate in the stirring and mixing process, so that the silver powder and solvent are mixed more evenly, creating good conditions for the separation of silver powder. As the silver powder comes into contact with the solvent surface, it is repelled by the surface tension of the solvent and floats to the surface of the solvent.
[0026] In one embodiment of this utility model, a filter assembly 4 is provided on the main body 1, an output pipe 41 is fixedly connected to the stirring chamber 31, a filtration separation chamber 42 is fixedly connected to the output pipe 41, a coarse filter screen 43 is provided in the filtration separation chamber 42, an input pipe 44 is fixedly connected to the filtration separation chamber 42, a solvent recovery chamber 45 is fixedly connected to the input pipe 44, and a fine filter screen 46 is provided in the solvent recovery chamber 45. The coarse filter screen 43 in the filtration separation chamber 42 is a double-layer filter screen with two layers of 500 mesh or higher, one inclined and one straight. The solvent filter screen in the solvent recovery chamber 45 is an inclined tension filter screen. The system consists of two layers of 800-mesh or finer double-layer filters. An outlet 47 is located below the solvent recovery chamber 45. The mixture of suspended silver powder and solvent 11 is guided to the filtration separation chamber 42 through the output pipe 41 by scraping or guiding the surface. After most of the suspended silver powder is scraped off the solvent surface by hand, it is filtered through the coarse filter 43 and then introduced into the solvent recovery chamber 45 through the input pipe 44. It is then filtered a second time through the fine filter 46 and the solvent is recovered and reused through the outlet 47. The remaining silver powder contains the solvent required for silver paste, which does not affect its direct use.
[0027] Working principle: The user introduces the solvent into the mixing chamber 31 through the solvent inlet 32 and starts the motor 36 on the U-shaped frame 35. The motor 36 drives the rotating rod 37 to rotate, and the driving bevel gear 38 on the rotating rod 37 rotates simultaneously. The driving bevel gear 38 meshes with the upper bevel gear 39 and the lower bevel gear 313 respectively, driving the rotating rod 310 and the stirring paddle 314 to rotate. The scraper 311 and the stirring rod 312 on the rotating rod 310 rotate together with the rotating rod 310, thus pouring the silver powder into the mixing chamber 31 through the silver powder inlet 33. The silver powder and solvent in the mixing chamber 31 are stirred and mixed. During the stirring process, the stirring paddle 314 strongly stirs the solvent and silver powder, so that the silver powder is fully dispersed in the solvent. The scraper 311 rotates with the rotating rod 310, continuously scraping the inside of the mixing chamber 31. The wall prevents silver powder and solvent from depositing on the wall surface, ensuring that all silver powder can participate in the mixing process, making the silver powder and solvent mix more evenly, and creating good conditions for the separation of silver powder. As the silver powder and solvent surfaces come into contact, the silver powder floats to the solvent surface due to the surface tension of the solvent. Then, through surface scraping or guiding, the mixture of floating silver powder and solvent 11 is guided to the filtration separation chamber 42 through the output pipe 41. After most of the floating silver powder is manually scraped off the solvent surface, it is filtered through the coarse filter screen 43, and then introduced into the solvent recovery chamber 45 through the input pipe 44. It is then filtered again through the fine filter screen 46, and finally the solvent is recovered and reused through the outlet 47. The remaining silver powder contains the solvent to be used for silver paste, which does not affect its direct use.
[0028] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.
Claims
1. A silver powder separation device, comprising a main body (1), characterized in that: The main body (1) is provided with a support leg (2) at its lower end, and a stirring assembly (3) is provided on the main body (1). The stirring assembly (3) includes: A stirring chamber (31) is provided on the main body (1). A solvent inlet (32) is provided on the stirring chamber (31). A silver powder inlet (33) is provided on the stirring chamber (31). A chassis (34) is provided on the stirring chamber (31). A U-shaped frame (35) is fixedly connected to the mixing chamber (31). A motor (36) is fixedly installed on the U-shaped frame (35). A rotating rod (37) is fixedly connected to the output end of the motor (36). A drive bevel gear (38) is fixedly connected to the rotating rod (37). An upper bevel gear (39) meshes with the drive bevel gear (38). A rotating rod (310) is fixedly connected to the upper bevel gear (39). A scraper (311) is fixedly connected to the rotating rod (310), and a stirring rod (312) is fixedly connected below the scraper (311). A lower bevel gear (313) meshes with the driving bevel gear (38), and a stirring paddle (314) is fixedly connected to the lower bevel gear (313). The stirring paddle (314) is sleeved on the outside of the rotating rod (310). A filter assembly (4) is provided on the main body (1). An output pipe (41) is fixedly connected to the stirring chamber (31). A filter separation chamber (42) is fixedly connected to the output pipe (41). A coarse filter screen (43) is provided in the filter separation chamber (42). An input pipe (44) is fixedly connected to the filter separation chamber (42). A solvent recovery chamber (45) is fixedly connected to the input pipe (44). A fine filter screen (46) is provided on the solvent recovery chamber (45). An outlet (47) is provided below the solvent recovery chamber (45).
2. The silver powder separation device according to claim 1, characterized in that: The solvent in the stirring chamber (31) is the solvent used for silver paste. It can be one type or two immiscible types. Here, DBE is used.
3. The silver powder separation device according to claim 1, characterized in that: The stirring rods (312) are arranged in two sets on the right, and the multiple sets of stirring rods (312) are mirrored on the left and right ends of the scraper (311) with the vertical center line of the scraper (311) in the front and back direction as the mirror axis.
4. The silver powder separation device according to claim 1, characterized in that: The silver powder inlet (33) is located directly above the solvent inlet (32).
5. The silver powder separation device according to claim 4, characterized in that: The coarse filter (43) is a double-layer filter with two layers of 500 mesh or more, one with an inclined tension and the other with a straight tension. The solvent filter in the solvent recovery chamber (45) is a double-layer filter with two layers of 800 mesh or more, one with an inclined tension and the other with a straight tension.