Conductive silver paste mixing device
By introducing crushing rollers and screening tank structures into the conductive silver paste mixing device, the problem of silver powder agglomeration is solved, and a faster mixing rate and a more uniform mixing effect are achieved.
Patent Information
- Application Number
- CN202422355241.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-26
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-09-26
AI Technical Summary
In traditional conductive silver paste mixing devices, conductive silver powder is prone to agglomeration, resulting in an increase in mixing time and affecting the uniformity of the silver paste.
A conductive silver powder screening tank is installed in the mixing device, and a built-in crushing roller is used to separate and crush the agglomerated silver powder, and mix it through a stirring mixing shaft and scraper to ensure that the silver powder is powdery and achieve uniform mixing with the resin injection port.
The mixing rate of conductive silver powder is improved, blocked phenomenon is avoided, and the operation process is saved, ensuring the uniformity of silver paste and raw material utilization rate.
Smart Images
Figure CN223082682U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of conductive silver paste processing, and specifically relates to a conductive silver paste mixing device. Background Technique
[0002] Conductive silver paste is a low-temperature baking conductive silver paste designed for the loop wires of resistive and capacitive touch screens. It is made by finely grinding high-performance resin and silver powder with excellent conductivity. It is suitable for use on ITO film glass and has excellent printing properties, conductivity, hardness, adhesion, and excellent antioxidant properties. Curing conditions: After the conductive silver paste is printed, the minimum baking temperature for the PET sheet is 130 °C for 40 minutes, and the glass sheet is 150 °C for 50 minutes.
[0003] In the prior art, there are still certain drawbacks in the use of conductive silver paste mixing devices. Traditional mixing devices usually directly pour conductive silver powder into the device, but there will be a small amount of silver powder caking in the conductive silver powder. When mixing the caked silver powder, it is not easy to be broken up, which not only increases the mixing time but also affects the uniformity of the silver paste mixing. Content of the Utility Model
[0004] The purpose of the utility model is to provide a conductive silver paste mixing device to solve the problem that in the above-mentioned background technique, traditional mixing devices usually directly pour conductive silver powder into the device, but there will be a small amount of silver powder caking in the conductive silver powder. When mixing the caked silver powder, it is not easy to be broken up, which not only increases the mixing time but also affects the uniformity of the silver paste mixing.
[0005] To achieve the above purpose, the utility model provides the following technical solution: A conductive silver paste mixing device, including a conductive silver paste mixing tank body. At the top inside the conductive silver paste mixing tank body, there is a positioning frame. At the middle position below the inside of the positioning frame, there is a stirring and mixing shaft. At the middle positions on both sides of the stirring and mixing shaft, there are cross bars. At the two sides below the stirring and mixing shaft, there are scraping plates. The bottom end of the stirring and mixing shaft is connected to a driving motor, and the driving motor is arranged at the middle position of the bottom surface of the conductive silver paste mixing tank body. At one side of the bottom of the conductive silver paste mixing tank body, there is a discharge port. At the two sides below the conductive silver paste mixing tank body, there are support frames. At the top of the conductive silver paste mixing tank body, there is a sealing cover. Above the sealing cover, there is a conductive silver powder screening tank. Inside the conductive silver powder screening tank, there is a crushing roller, and the crushing roller is arranged inside a roller frame. Above one side of the conductive silver powder screening tank, there is a conductive silver powder feeding tank. At the middle position above the conductive silver powder feeding tank, there is a cylinder, and one end of the cylinder is connected to a balance connecting plate. Above one side of the conductive silver paste mixing tank body, there is a resin injection port.
[0006] In a further embodiment, the sealing cover is fixedly connected to the conductive silver paste mixing tank body by a hexagonal fixing bolt, the conductive silver powder screening slot is connected to the interior of the conductive silver paste mixing tank body by a combined inlay block and a combined inlay port, and the conductive silver powder screening slot is connected to the sealing cover by welding.
[0007] In a further embodiment, a grid filter is provided at the bottom surface of the conductive silver powder screening tank, and the grid filter has a circular shape.
[0008] In a further embodiment, the roller frame is fixedly connected to the balancing connection plate via a telescopic rod, guide rods are provided on both sides of the balancing connection plate, and the guide rods are connected to the conductive silver powder screening groove via a sliding connection.
[0009] In a further embodiment, the cross-section of the conductive silver powder screening slot is set to a square structure, and the cylinder and the conductive silver powder screening slot are fixedly connected by bolts.
[0010] In a further embodiment, inspection plates are provided on both sides of the surface of the conductive silver powder screening slot, and the inspection plates are fixedly connected to the conductive silver powder screening slot by screws.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] 1. In the utility model, a crushing roller is provided inside the conductive silver powder screening tank. The installation structure can enable the conductive silver paste mixing tank to have a screening function, separate the powdery substance and the blocky substance, and prevent the agglomerated silver powder from entering the tank, thereby improving the mixing rate of the conductive silver powder. The agglomerated silver powder can be crushed by rolling through the crushing roller to make it into a powdery structure, without the need for secondary processing, saving operating procedures, and at the same time, avoiding the waste of raw materials and making the mixing operation easier. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a schematic diagram of the internal structure of a conductive silver paste mixing device of the utility model;
[0014] Figure 2 It is a structural schematic diagram of the combined inlay opening of the utility model;
[0015] Figure 3 It is a top view of a conductive silver paste mixing device of the utility model;
[0016] Figure 4 It is a top view of the combined inlay opening of the utility model;
[0017] Figure 5 This is a schematic diagram of the bottom structure of the sealing cover of the utility model;
[0018] Figure 6It is a schematic diagram of the internal structure of the conductive silver powder screening tank of the utility model.
[0019] In the figure: 1. Conductive silver powder feeding trough; 2. Cylinder; 3. Balance connecting plate; 4. Conductive silver powder screening trough; 5. Crushing roller; 6. Sealing cover; 7. Hexagon socket fixing bolt; 8. Combined inlay block; 9. Conductive silver paste mixing tank; 10. Support frame; 11. Drive motor; 12. Discharge port; 13. Combined inlay port; 14. Resin injection port; 15. Positioning frame; 16. Stirring and mixing shaft; 17. Cross bar; 18. Scraper; 19. Inspection plate; 20. Grid filter; 21. Roller frame; 22. Telescopic rod; 23. Guide rod. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0021] See also Figures 1-6 , the utility model provides an embodiment: a conductive silver paste mixing device, including a conductive silver paste mixing tank body 9, a positioning frame 15 is provided at the top of the conductive silver paste mixing tank body 9, a stirring and mixing shaft 16 is provided at the middle position below the positioning frame 15, a cross bar 17 is provided at the middle position of both sides of the stirring and mixing shaft 16, scrapers 18 are provided on both sides below the stirring and mixing shaft 16, the bottom end of the stirring and mixing shaft 16 is connected to a driving motor 11, the driving motor 11 is provided at the middle position of the bottom surface of the conductive silver paste mixing tank body 9, a discharge port 12 is provided on one side of the bottom of the conductive silver paste mixing tank body 9, support frames 10 are provided on both sides below the conductive silver paste mixing tank body 9, a sealing cover 6 is provided on the top of the conductive silver paste mixing tank body 9, a conductive silver powder screening slot 4 is provided above the sealing cover 6, a crushing roller 5 is provided inside the conductive silver powder screening slot 4, and the crushing roller 5 is provided on the roller frame 21 Inside, a conductive silver powder feeding trough 1 is provided above one side of the conductive silver powder screening trough 4, a cylinder 2 is provided in the middle position above the conductive silver powder feeding trough 1, one end of the cylinder 2 is connected to the balancing connecting plate 3, and a resin injection port 14 is provided above one side of the conductive silver paste mixing tank body 9; a positioning frame 15 is used to auxiliary support the top of the stirring and mixing shaft 16, the stirring and mixing shaft 16 is used to install the cross bar 17, the cross bar 17 is used to increase the stirring range, the scraper 18 is used to scrape and clean the material adhered to the tank wall, the support frame 10 is used to support and fix the conductive silver paste mixing tank body 9, the sealing cover 6 is used to seal the conductive silver paste mixing tank body 9, the conductive silver powder screening trough 4 is used to screen the raw materials, the balancing connecting plate 3 is used to connect the cylinder 2 to the roller frame 21, and the crushing roller 5 is used to roll and crush the block material.
[0022] The sealing cover 6 and the conductive silver paste mixing tank body 9 are fixedly connected by hexagon socket head cap screws 7. The inside of the conductive silver powder screening tank 4 and the conductive silver paste mixing tank body 9 are connected through a combined inlay block 8 and a combined inlay opening 13, and the conductive silver powder screening tank 4 and the sealing cover 6 are connected by welding. The hexagon socket head cap screws 7 are used to fix the sealing cover 6 and the conductive silver paste mixing tank body 9.
[0023] A grid-shaped filter screen 20 is provided at the bottom position inside the conductive silver powder screening tank 4, and the outer shape of the grid-shaped filter screen 20 is set as a circular structure. The grid-shaped filter screen 20 is used to filter the raw materials.
[0024] The roller frame 21 and the balance connecting plate 3 are fixedly connected by a telescopic rod 22. Guide rods 23 are provided on both sides of the balance connecting plate 3, and the guide rods 23 are slidably connected to the conductive silver powder screening tank 4. The telescopic rod 22 is used to telescopically adjust the roller frame 21, so as to move the position of the crushing roller 5.
[0025] The cross-section of the conductive silver powder screening tank 4 is set as a square structure, and the air cylinder 2 and the conductive silver powder screening tank 4 are fixedly connected by bolts. The bolt connection is used to install and fix the air cylinder 2 and the conductive silver powder screening tank 4. Inspection plates 19 are provided on both sides of the surface of the conductive silver powder screening tank 4, and the inspection plates 19 and the conductive silver powder screening tank 4 are fixedly connected by screws. The inspection plates 19 are used to open or close the top of the conductive silver powder screening tank 4, which is convenient for inspecting and maintaining the inside of the conductive silver powder screening tank 4.
[0026] Working principle: When in use, the raw materials are poured into the conductive silver powder screening tank 4 through the conductive silver powder feeding tank 1. The powdery substances and lumpy substances are filtered and separated by the grid-shaped filter screen 20, so that the powdery substances enter the conductive silver paste mixing tank body 9. The air cylinder 2 drives the balance connecting plate 3 to move parallelly, so that the telescopic rod 22 is telescopically adjusted, thereby driving the crushing roller 5 to roll. The crushing roller 5 is used to roll and crush the lumpy substances. The liquid is added into the conductive silver paste mixing tank body 9 through the resin injection port 14. The driving motor 11 drives the stirring and mixing shaft 16 to rotate at a constant speed, and the raw materials and the liquid are mixed through the cross bar 17.
[0027] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described 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 mixing device, comprising a conductive silver paste mixing tank body (9), characterized in that: At the top inside the conductive silver paste mixing tank body (9), there is a positioning frame (15). At the middle position below the inside of the positioning frame (15), there is a stirring and mixing shaft (16). At the middle positions on both sides of the stirring and mixing shaft (16), there are cross bars (17). At both sides below the stirring and mixing shaft (16), there are scraping plates (18). The bottom end of the stirring and mixing shaft (16) is connected to a driving motor (11). The driving motor (11) is arranged at the middle position of the bottom surface of the conductive silver paste mixing tank body (9). At one side of the bottom of the conductive silver paste mixing tank body (9), there is a discharge port (12). At both sides below the conductive silver paste mixing tank body (9), there are support frames (10). At the top of the conductive silver paste mixing tank body (9), there is a sealing cover (6). Above the sealing cover (6), there is a conductive silver powder screening tank (4). Inside the conductive silver powder screening tank (4), there is a crushing roller (5). The crushing roller (5) is arranged inside a roller frame (21). Above one side of the conductive silver powder screening tank (4), there is a conductive silver powder feed tank (1). At the middle position above the conductive silver powder feed tank (1), there is a cylinder (2). One end of the cylinder (2) is connected to a balance connecting plate (3). Above one side of the conductive silver paste mixing tank body (9), there is a resin injection port (14).
2. The conductive silver paste mixing device according to claim 1, wherein: The sealing cover (6) and the conductive silver paste mixing tank body (9) are fixedly connected through internal hexagonal fixing bolts (7). The inside of the conductive silver powder screening tank (4) and the inside of the conductive silver paste mixing tank body (9) are connected through a combined inlay block (8) and a combined inlay opening (13), and the conductive silver powder screening tank (4) and the sealing cover (6) are connected through welding.
3. A conductive silver paste mixing device according to claim 1, characterized in that: At the bottom surface position inside the conductive silver powder screening tank (4), there is a grid-shaped filter screen (20), and the outer shape of the grid-shaped filter screen (20) is set as a circular structure.
4. A conductive silver paste mixing device according to claim 1, characterized in that: The roller frame (21) and the balance connecting plate (3) are fixedly connected through a telescopic rod (22). On both sides of the balance connecting plate (3), there are guide rods (23), and the guide rods (23) are connected to the conductive silver powder screening tank (4) through sliding connection.
5. A conductive silver paste mixing device according to claim 1, characterized in that: The cross section of the conductive silver powder screening tank (4) is set as a square structure, and the cylinder (2) and the conductive silver powder screening tank (4) are fixedly connected through bolts.
6. A conductive silver paste mixing device according to claim 1, characterized in that: On both sides of the surface of the conductive silver powder screening tank (4), there are inspection plates (19), and the inspection plates (19) and the conductive silver powder screening tank (4) are fixedly connected through screws.