A silver-coated copper powder stirring device

Abstract

This utility model discloses a stirring device for silver-coated copper powder, including a support frame. A tank is rotatably mounted on the support frame via a first bearing, and a second bearing is rotatably mounted on the tank. A connecting ring is fixedly mounted inside the second bearing, and a cover is fixedly connected to the connecting ring. A toothed ring is fixedly installed on the outer surface of the tank. This design uses a motor to drive a rotating tube, which in turn drives the stirring rod and stirring blades to rotate. Simultaneously, the tank rotates in the opposite direction through a grooved wheel and gear transmission. This simultaneous rotation of the tank and the stirring rod creates a multi-dimensional stirring effect. The stirring blades increase the stirring force and range, enabling rapid and thorough mixing of the solvent, cleaned copper powder, and silver ammonia solution required for the reaction, breaking down the stratification and agglomeration of the raw materials, and ensuring uniform dispersion of each component.

Description

Technical Field

[0001] This utility model relates to the field of silver-coated copper powder stirring technology, specifically to a silver-coated copper powder stirring device. Background Technology

[0002] In today's era of rapid technological advancement, numerous industrial sectors, including electronics, electromechanical engineering, communications, printing, aerospace, and weaponry, are experiencing a surge in demand for high-performance materials. Silver-coated copper powder, as an outstanding high-conductivity filler, plays an irreplaceable and crucial role in these fields.

[0003] Silver-coated copper powder, due to its unique performance advantages, is widely added to various matrix materials such as coatings (paints), adhesives, inks, polymerized silver-coated copper powder pastes, plastics, and rubber. This addition method allows for the production of various products with conductive and electromagnetic shielding functions. Taking everyday electronic products as an example, many of the conductive and electromagnetic shielding components in computers, mobile phones, electronic medical devices, and electronic instruments rely on the application of silver-coated copper powder. These products have extremely high requirements for conductivity and electromagnetic shielding effectiveness, and the addition of silver-coated copper powder precisely meets these needs, ensuring the stable operation and optimized performance of electronic products.

[0004] However, in the practical application of silver-coated copper powder, the stirring process is crucial. The uniformity of stirring directly affects the dispersion of the silver-coated copper powder in the matrix material, thus determining the performance and quality of the final product. Currently, most existing stirring devices on the market use traditional stirring methods when processing silver-coated copper powder, relying solely on a stirring rod to perform stirring operations within a fixed reactor.

[0005] This traditional stirring device has significant limitations. Because the vessel remains stationary, the movement trajectory of the stirring rod is relatively simple, resulting in a limited stirring area. This makes it difficult to comprehensively and thoroughly stir the silver-coated copper powder and matrix material within the vessel. During stirring, dead zones can easily form in certain areas of the vessel, causing the silver-coated copper powder to agglomerate and fail to disperse evenly. This not only reduces the conductivity and electromagnetic shielding effect of the final product but also easily affects its appearance and physical properties, increasing the defect rate and raising production costs.

[0006] Therefore, based on this, a design or technical improvement is proposed to solve the above-mentioned problems. Utility Model Content

[0007] The purpose of this invention is to address the above-mentioned shortcomings and provide a silver-coated copper powder mixing device.

[0008] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0009] A silver-coated copper powder stirring device includes a support frame; a tank is rotatably mounted on the support frame via a first bearing, and a second bearing is rotatably mounted on the tank; a connecting ring is fixedly mounted inside the second bearing, and a cover is fixedly connected to the connecting ring; a toothed ring is fixedly mounted on the outer surface of the tank.

[0010] A motor is fixedly installed on the cover. A second grooved wheel and a first gear are fixedly installed on the output shaft of the motor. A rotating tube that is rotatably connected to the cover is provided on one side of the motor. A second gear is fixedly installed on the rotating tube, and multiple sets of stirring rods are fixedly installed at the bottom of the rotating tube.

[0011] A fixed frame is fixedly installed on the support frame, and a reinforcing plate is fixedly installed on the fixed frame. The reinforcing plate is fixedly connected to the connecting ring. A shaft is rotatably installed on the fixed frame and the fixed frame. A first grooved wheel is fixedly installed at one end of the shaft, and a drive gear is fixedly installed at the other end of the shaft. The drive gear meshes with a gear ring. A synchronous belt is sleeved on the first grooved wheel and the second grooved wheel.

[0012] The tank is equipped with a vertically movable mechanism to prevent the silver-coated copper powder from accumulating at the bottom.

[0013] Furthermore, a protective cover is fixedly installed on the cover body, and the up-and-down moving mechanism includes an electric push rod fixedly installed on the cover body, and a connecting rod is fixedly connected to the bottom end of the electric push rod, and the connecting rod passes through the rotating tube, and multiple sets of adjusting rods are hinged to the bottom end of the connecting rod.

[0014] Furthermore, a return spring is fixedly installed at the bottom end of each of the multiple sets of adjusting rods, and the return spring is fixedly connected to the outer surface of the connecting rod.

[0015] Furthermore, a pressure ring is fixedly installed on the outer surface of the bottom end of the rotating tube.

[0016] Furthermore, the cover has a feed inlet, the bottom of the tank has a discharge outlet, and the discharge outlet is equipped with an electronic valve.

[0017] Furthermore, each of the aforementioned stirring rods is equipped with multiple sets of stirring blades.

[0018] Furthermore, each of the multiple sets of adjusting rods is fixedly equipped with a connecting block.

[0019] Compared with existing technologies, the beneficial effects of this solution are:

[0020] 1. The rotating tube, driven by a motor, rotates the stirring rod and blades. Simultaneously, the tank rotates in the opposite direction via a grooved wheel and gear transmission. This simultaneous rotation of the tank and stirring rod creates a multi-dimensional stirring effect. The stirring blades increase the stirring force and range, enabling rapid and thorough mixing of the solvent, cleaned copper powder, and silver ammonia solution required for the reaction. This breaks up the stratification and agglomeration of the raw materials, ensuring uniform dispersion of all components.

[0021] 2. During the mixing process, the electric push rod drives the connecting rod to move up and down, causing the adjusting rod to move up and down repeatedly. The connecting block on the adjusting rod moves the silver-coated copper powder up and down, effectively preventing the silver-coated copper powder from accumulating and clumping at the bottom of the tank, keeping the material in the tank in a dynamic mixing state, and ensuring the uniformity of mixing and the stability of quality. Attached Figure Description

[0022] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. In the drawings:

[0023] Figure 1 This is a first three-dimensional structural diagram of the present invention;

[0024] Figure 2 This is a schematic diagram of the second three-dimensional structure of the present invention;

[0025] Figure 3 This is a schematic diagram of the first internal structure of the present invention;

[0026] Figure 4 This is a schematic diagram of the second internal structure of the present invention;

[0027] Figure 5 In this utility model Figure 3 Enlarged view of point A in the middle;

[0028] Figure 6 In this utility model Figure 4 Enlarged diagram of point B in the middle.

[0029] In the diagram: 1. Support frame; 2. Tank body; 3. First bearing; 4. Second bearing; 5. Connecting ring; 6. Cover; 7. Inlet; 8. Protective cover; 9. Electric push rod; 111. Outlet; 112. Electronic valve; 211. Fixing frame; 212. Shaft; 213. Drive gear; 214. Reinforcing plate; 215. First Grooved wheel; 216. Synchronous belt; 217. Gear ring; 311. Rotating tube; 312. Stirring rod; 313. Stirring blade; 411. Motor; 511. Second Grooved wheel; 512. First gear; 513. Second gear; 514. Connecting rod; 611. Connecting block; 612. Adjusting rod; 613. Return spring; 711. Pressing rod. Detailed Implementation

[0030] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0031] like Figure 1-6 The silver-coated copper powder stirring device shown includes a support frame 1; a tank 2 is rotatably mounted on the support frame 1 via a first bearing 3, and a second bearing 4 is rotatably mounted on the tank 2. A connecting ring 5 is fixedly mounted inside the second bearing 4, and a cover 6 is fixedly connected to the connecting ring 5. A toothed ring 217 is fixedly mounted on the outer surface of the tank 2.

[0032] A motor 411 is fixedly installed on the cover 6. A second grooved wheel 511 and a first gear 512 are fixedly installed on the output shaft of the motor 411. A rotating tube 311 that is rotatably connected to the cover 6 is provided on one side of the motor 411. A second gear 513 is fixedly installed on the rotating tube 311, and multiple sets of stirring rods 312 are fixedly installed at the bottom of the rotating tube 311.

[0033] A fixed frame 211 is fixedly installed on the support frame 1, and a reinforcing plate 214 is fixedly installed on the fixed frame 211. The reinforcing plate 214 is fixedly connected to the connecting ring 5. A shaft 212 is rotatably installed on the fixed frame 211. A first grooved wheel 215 is fixedly installed at one end of the shaft 212, and a drive gear 213 is fixedly installed at the other end of the shaft 212. The drive gear 213 meshes with the gear ring 217. A synchronous belt 216 is sleeved on the first grooved wheel 215 and the second grooved wheel 511.

[0034] The tank 2 is equipped with an up-and-down moving mechanism to prevent the silver-coated copper powder from accumulating at the bottom.

[0035] In one embodiment, a protective cover 8 is fixedly installed on the cover 6. The up-and-down movement mechanism includes an electric push rod 9 fixedly installed on the cover 6, and a connecting rod 514 is fixedly connected to the bottom end of the electric push rod 9. The connecting rod 514 passes through the rotating tube 311, and multiple sets of adjusting rods 612 are hinged to the bottom end of the connecting rod 514. The electric push rod 9 can drive the connecting rod 514 to move up and down in the rotating tube 311, providing power for the subsequent movement of the adjusting rods 612, thereby realizing the up-and-down movement of the silver-coated copper powder and preventing the silver-coated copper powder from accumulating and agglomerating at the bottom of the tank 2.

[0036] In one embodiment, a return spring 613 is fixedly installed at the bottom end of each of the multiple sets of adjusting rods 612, and the return spring 613 is fixedly connected to the outer surface of the connecting rod 514. A connecting block 611 is fixedly installed on each of the multiple sets of adjusting rods 612. When the connecting rod 514 moves upward, the pressing ring 711 abuts against the adjusting rod 612, causing the adjusting rod 612 to move downward against the elastic force of the return spring 613. When the connecting rod 514 moves downward, the elastic force of the return spring 613 causes the adjusting rod 612 to move upward. Through this reciprocating motion, the connecting block 611 fixedly installed on the adjusting rod 612 can move the silver-coated copper powder up and down to prevent accumulation.

[0037] In one embodiment, a pressure ring 711 is fixedly installed on the outer surface of the bottom end of the rotating tube 311, and the pressure ring 711 serves to limit the position of the adjusting rod 612.

[0038] In one embodiment, the cover 6 is provided with a feed inlet 7, and the bottom of the tank 2 is provided with a discharge outlet 111. An electronic valve 112 is provided on the discharge outlet 111. The operator can control the discharge amount and discharge speed by controlling the opening and closing time of the electronic valve 112 and adjusting the opening size according to production needs.

[0039] In one embodiment, multiple stirring rods 312 are each equipped with multiple stirring blades 313. When the stirring rods 312 rotate, the stirring blades 313 can more directly and powerfully agitate the silver-coated copper powder and its mixed solution. Compared to relying solely on the stirring rods 312 themselves, the addition of the stirring blades 313 significantly enhances the shearing and impact forces on the materials during the stirring process, which can more effectively break up the agglomeration between material particles and promote full contact and mixing between the components of the silver-coated copper powder.

[0040] The specific workflow of this plan is as follows:

[0041] Typically, the solvent, cleaned copper powder, and silver ammonia solution required for the reaction are first added to the tank 2 through the feed inlet 7. Then, the drive motor 411 drives the second grooved wheel 511 and the first gear 512 to rotate synchronously via its output shaft. The first gear 512 meshes with the second gear 513 fixedly installed at the end of the rotating tube 311, thereby driving the rotating tube 311 to rotate. The rotating tube 311 drives multiple sets of stirring rods 312 fixedly installed at its bottom to perform stirring motion. The multiple sets of stirring blades 313 on the stirring rods 312 further increase the stirring force and range, ensuring that the raw materials are thoroughly mixed.

[0042] While the motor 411 is running, the second grooved wheel 511 drives the first grooved wheel 215 to rotate via the synchronous belt 216. The first grooved wheel 215 is fixedly installed at one end of the shaft 212, thereby driving the shaft 212 to rotate. A drive gear 213 is fixedly installed at the other end of the shaft 212. The drive gear 213 meshes with the gear ring 217 on the outer surface of the tank 2, causing the tank 2 to start rotating under the action of the first bearing 3 and the second bearing 4. The simultaneous rotation of the tank 2 and the stirring rod 312 creates a multi-dimensional stirring effect, greatly improving the uniformity of stirring and allowing the preparation reaction of silver-coated copper powder to proceed more fully.

[0043] During the stirring process, the electric push rod 9 is driven to move the connecting rod 514 up and down within the rotating tube 311. When the connecting rod 514 moves upward, the pressure ring 711 fixedly installed on the outer surface of the bottom end of the rotating tube 311 abuts against multiple sets of adjusting rods 612, causing the adjusting rods 612 to move downward against the elastic force of the return spring 613. When the connecting rod 514 moves downward, the elastic force of the return spring 613 causes the adjusting rod 612 to move upward. Through the reciprocating lifting and lowering of the electric push rod 9, the adjusting rod 612 performs repeated up and down movements. The connecting block 611 fixedly installed on the adjusting rod 612 moves the silver-coated copper powder up and down during the movement, preventing the silver-coated copper powder from accumulating at the bottom of the tank 2, further improving the uniformity of stirring and ensuring the quality of the silver-coated copper powder.

[0044] Once the mixing time meets the requirements specified in the production formula, open the electronic valve 112 on the discharge port 111 to discharge the well-mixed silver-coated copper powder slurry from the tank 2.

[0045] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention.

Claims

1. A stirring device for silver-coated copper powder, comprising a support frame (1); characterized in that: The support frame (1) is rotatably mounted on a tank body (2) via a first bearing (3), and a second bearing (4) is rotatably mounted on the tank body (2). A connecting ring (5) is fixedly mounted inside the second bearing (4), and a cover (6) is fixedly connected to the connecting ring (5). A toothed ring (217) is fixedly mounted on the outer surface of the tank body (2). A motor (411) is fixedly installed on the cover (6). A second grooved wheel (511) and a first gear (512) are fixedly installed on the output shaft of the motor (411). A rotating tube (311) that is rotatably connected to the cover (6) is provided on one side of the motor (411). A second gear (513) is fixedly installed on the rotating tube (311), and multiple sets of stirring rods (312) are fixedly installed at the bottom of the rotating tube (311). A fixed frame (211) is fixedly installed on the support frame (1), and a reinforcing plate (214) is fixedly installed on the fixed frame (211). The reinforcing plate (214) is fixedly connected to the connecting ring (5). A shaft (212) is rotatably installed on the fixed frame (211) and the fixed frame (211). A first grooved wheel (215) is fixedly installed at one end of the shaft (212), and a drive gear (213) is fixedly installed at the other end of the shaft (212). The drive gear (213) meshes with the gear ring (217). A synchronous belt (216) is sleeved on the first grooved wheel (215) and the second grooved wheel (511). The tank (2) is equipped with an up-and-down movable mechanism to prevent the silver-coated copper powder from accumulating at the bottom.

2. The silver-coated copper powder stirring device according to claim 1, characterized in that: A protective cover (8) is fixedly installed on the cover (6). The up-and-down moving mechanism includes an electric push rod (9) fixedly installed on the cover (6). The bottom end of the electric push rod (9) is fixedly connected to a connecting rod (514). The connecting rod (514) passes through the rotating tube (311). The bottom end of the connecting rod (514) is hinged to multiple sets of adjusting rods (612).

3. The silver-coated copper powder stirring device according to claim 2, characterized in that: Each of the multiple sets of adjusting rods (612) has a return spring (613) fixedly installed at its bottom end, and the return spring (613) is fixedly connected to the outer surface of the connecting rod (514).

4. The silver-coated copper powder stirring device according to claim 1, characterized in that: A pressure ring (711) is fixedly installed on the outer surface of the bottom end of the rotating tube (311).

5. The silver-coated copper powder stirring device according to claim 1, characterized in that: The cover (6) has a feed inlet (7), and the bottom of the tank (2) has a discharge outlet (111), and an electronic valve (112) is provided on the discharge outlet (111).

6. The silver-coated copper powder stirring device according to claim 5, characterized in that: Multiple sets of stirring blades (313) are provided on each of the multiple sets of stirring rods (312).

7. The silver-coated copper powder stirring device according to claim 2, characterized in that: Each of the multiple sets of adjusting rods (612) is fixedly equipped with a connecting block (611).

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