A chemical wet deposition device for preparing micron silver-coated copper powder

Abstract

The present invention belongs to the technical field of silver-coated copper powder preparation, and discloses a chemical wet deposition device for preparing micron silver-coated copper powder, including a preparation device, the bottom end of the preparation device is fixedly connected with a hydraulic cylinder 1, the inner cavity of the hydraulic cylinder 1 is fixedly connected with a spring piston rod 1, the top of the spring piston rod 1 is fixedly connected with a moving plate, the bottom end of the hydraulic cylinder 1 is fixedly connected with a hydraulic pipe, the top of the hydraulic pipe is fixedly connected with a hydraulic cylinder 2, the inner cavity of the hydraulic cylinder 2 is fixedly connected with a spring piston rod 2, and the top of the spring piston rod 2 is fixedly connected with a material control plate. According to the amount of copper powder solution added to the inner cavity of the preparation device, the amount of silver ammonia solution that can be added is changed to perform adaptive adjustment, and the staff only needs to fill the liquid storage cylinder that changes the storage space, and no longer needs to calculate the amount of silver ammonia solution that needs to be added.

Description

Technical Field

[0001] The invention belongs to the technical field of silver-coated copper powder preparation, in particular to a chemical wet deposition device for preparing micron silver-coated copper powder. Background Art

[0002] Silver has good electrical conductivity, and silver powder can be widely used in electronics, communications and other fields. However, due to the high price of silver, its economic efficiency is poor. The electrical conductivity of copper is second only to silver, and its price is relatively cheap. Therefore, silver-coated copper powder is used to ensure good electrical conductivity while being cheaper than silver powder.

[0003] In the prior art, the preparation method of silver-coated copper is generally chemical wet deposition. The treated copper powder is mixed with a reducing solution and then added to a chemical wet deposition device for stirring. During the stirring process, a silver ammonia solution is added to wrap the silver on the surface of the copper powder and deposit it. During the preparation process, the amount of the silver ammonia solution is proportional to the amount of the copper powder solution. The staff needs to add the silver ammonia solution according to the amount of the copper powder solution to be prepared. Therefore, the staff needs to make a proportion in advance. This requires calculating the amount of the silver ammonia solution to be added when preparing different amounts. This is more troublesome and cannot be automatically adapted. Summary of the invention

[0004] The object of the present invention is to provide a chemical wet deposition device for preparing micron silver-coated copper powder to solve the problems raised in the above background technology.

[0005] In order to achieve the above-mentioned purpose, the present invention provides the following technical scheme: a chemical wet deposition device for preparing micron silver-coated copper powder, comprising a preparation device, the bottom end of the preparation device is fixedly connected to a hydraulic cylinder 1, the inner cavity of the hydraulic cylinder 1 is fixedly connected to a spring piston rod 1, the top of the spring piston rod 1 is fixedly connected to a movable plate, the bottom end of the hydraulic cylinder 1 is fixedly connected to a hydraulic pipe, the top of the hydraulic pipe is fixedly connected to a hydraulic cylinder 2, the inner cavity of the hydraulic cylinder 2 is fixedly connected to a spring piston rod 2, the top of the spring piston rod 2 is fixedly connected to a material control plate, the top of the preparation device is fixedly connected to a liquid storage cylinder, the bottom end of the liquid storage cylinder is fixedly connected to a discharge telescopic tube, and the top of the preparation device is fixedly connected to a feeding pipe.

[0006] Preferably, an arc plate is fixedly connected to the top of the preparation device, a limiting assembly is fixedly connected to the top of the preparation device, a conveying hose is fixedly connected to the bottom end of the discharge telescopic tube, a liquid outlet pipe is fixedly connected to the left side of the conveying hose, a servo motor is fixedly connected to the top of the preparation device, an anti-slip transmission belt is movably sleeved on the output shaft of the servo motor, a three-head extrusion disk is movably connected to the top of the preparation device, a connecting shaft is fixedly sleeved on the output shaft of the servo motor, a three-stage telescopic tube is fixedly connected to the bottom of the connecting shaft, a stirring rod is fixedly connected to the bottom end of the three-stage telescopic tube, and a one-way liquid outlet valve is fixedly connected to the bottom end of the three-stage telescopic tube.

[0007] Preferably, the bottom end of the preparation device is fixedly connected with an air outlet tube, the bottom end of the movable plate is fixedly connected with a spring piston rod three, the bottom of the spring piston rod three is fixedly connected with a connecting pipe, the bottom of the connecting pipe is fixedly connected with a one-way air outlet valve, the top of the connecting pipe is fixedly connected with a compression cylinder, the top of the compression cylinder is fixedly connected with a blowing pipe, the middle part of the blowing pipe is fixedly connected with a slow air outlet valve, the bottom of the blowing pipe is fixedly connected with a control pipe, the left side of the preparation device is fixedly connected with a supporting tube, the inner cavity of the supporting tube is fixedly connected with an elastic conical block, the left side of the elastic conical block is fixedly connected with a linkage rod, the bottom end of the linkage rod is fixedly connected with a blocking block, the inner cavity of the compression cylinder is fixedly connected with a spring compression plate, and the bottom end of the preparation device is fixedly connected with a ventilation pipe.

[0008] Preferably, a telescopic discharge pipe is fixedly connected to the bottom end of the movable plate, and a control valve is fixedly connected to the bottom of the telescopic discharge pipe.

[0009] Preferably, the arc plate is arc-shaped, the delivery hose is located in the inner cavity of the arc plate, there are two limit assemblies, the two limit assemblies are respectively located on the left and right sides of the three-head extrusion disk, and the delivery hose is located in the inner cavity of the limit assemblies.

[0010] Preferably, the three-stage telescopic tube is composed of three telescopic tubes, the surfaces of the three telescopic tubes are fixedly installed with clamping strips, the inner cavities of the three telescopic tubes are provided with clamping grooves, the interiors of the three telescopic tubes are provided with limiting grooves, and the liquid outlet pipe is connected with the inner cavity of the three-stage telescopic tube.

[0011] Preferably, there are three said punching bags, the inner cavities of the three said punching bags are connected, and a one-way air inlet valve is fixedly installed at the bottom of said punching bag.

[0012] Preferably, the spring piston rod 1, spring piston rod 2 and spring piston rod 3 are all composed of a piston rod and a return spring, the piston rod is located at the center of the inner cavity of the return spring, and the spring piston rod 1, spring piston rod 2 and spring piston rod 3 are fixedly connected to the hydraulic cylinder 1, hydraulic cylinder 2 and the air outlet cylinder respectively through the return spring.

[0013] The beneficial effects of the present invention are as follows:

[0014] 1. The present invention performs adaptive adjustment by changing the amount of silver ammonia solution that can be added according to the amount of copper powder solution added to the inner cavity of the preparation device. The staff only needs to fill the liquid storage cylinder that changes the storage space, and no longer needs to calculate the amount of silver ammonia solution that needs to be added.

[0015] 2. The present invention utilizes the extensibility of the three-stage telescopic tube to enable the stirring rod to follow the movement of the movable plate, and then stirs and mixes the solution in the inner cavity of the preparation device through the stirring rod, thereby improving the preparation efficiency. The three-head extrusion disk extrudes the delivery hose to rotate and deliver the silver ammonia solution to the inner cavity of the preparation device through the one-way liquid outlet valve at the bottom end of the three-stage telescopic tube, thereby enabling the silver ammonia solution to contact the copper powder solution from the bottom of the inner cavity of the preparation device, thereby improving the mixing efficiency, enabling it to be deposited faster, and further improving the preparation efficiency.

[0016] 3. The present invention discharges the air in the inner cavity of the air outlet cylinder into the inner cavity of the compression cylinder by moving the movable plate downward, and then squeezes the air through the spring compression plate to compress the air. When the preparation is completed, the elastic conical block controls the movement of the linkage rod to make the compression cylinder and the inner cavity of the blowing pipe connected, so that the air can be blown into the inner cavity of the preparation device and discharged through the ventilation pipe, thereby drying the inner cavity of the preparation device and keeping the inner cavity of the preparation device dry after use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the present invention;

[0018] Figure 2 This is a schematic diagram of the connection of the structure preparation device of the present invention;

[0019] Figure 3 This is a schematic diagram of the connection of the compression cylinder structure of the present invention;

[0020] Figure 4 This is a schematic diagram of the hydraulic pipe connection of the structure of the present invention;

[0021] Figure 5 This is a schematic diagram of the connection of the three-stage telescopic pipe structure of the present invention;

[0022] Figure 6 For the present invention Figure 5 Enlarge the connection diagram at A in the middle.

[0023] In the figure: 1, preparation device; 2, hydraulic cylinder 1; 3, spring piston rod 1; 4, moving plate; 5, hydraulic pipe; 6, hydraulic cylinder 2; 7, spring piston rod 2; 8, material control plate; 9, discharging telescopic pipe; 10, feeding pipe; 11, arc plate; 12, one-way air inlet valve; 13, limit assembly; 14, conveying hose; 15, liquid outlet pipe; 16, servo motor; 17, anti-skid transmission belt; 18, three-head extrusion plate; 19, connecting shaft; 20, three 1. Telescopic tube; 21. Stirring rod; 22. One-way liquid outlet valve; 23. Liquid storage cylinder; 24. Air outlet cylinder; 25. Spring piston rod three; 26. Control valve; 27. Connecting pipe; 28. One-way air outlet valve; 29. ​​Compression cylinder; 30. Blowing pipe; 31. Slow air outlet valve; 32. Control pipe; 33. Support pipe; 34. Elastic conical block; 35. Linkage rod; 36. Blockage block; 37. Spring compression plate; 38. Ventilation pipe; 39. Telescopic discharge pipe. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] like Figures 1 to 6 As shown, an embodiment of the present invention provides a chemical wet deposition device for preparing micron silver-coated copper powder, including a preparation device 1, the bottom end of the preparation device 1 is fixedly connected with a hydraulic cylinder 2, the inner cavity of the hydraulic cylinder 2 is fixedly connected with a spring piston rod 3, the top of the spring piston rod 3 is fixedly connected with a moving plate 4, the bottom end of the hydraulic cylinder 2 is fixedly connected with a hydraulic pipe 5, the top of the hydraulic pipe 5 is fixedly connected with a hydraulic cylinder 6, the inner cavity of the hydraulic cylinder 6 is fixedly connected with a spring piston rod 7, the top of the spring piston rod 7 is fixedly connected with a material control plate 8, the top of the preparation device 1 is fixedly connected with a liquid storage cylinder 23, the bottom end of the liquid storage cylinder 23 is fixedly connected with a discharging telescopic tube 9, and the top of the preparation device 1 is fixedly connected with a feeding pipe 10;

[0026] The working principle and beneficial effects of the above technical solution are as follows: the copper powder solution is added to the inner cavity of the preparation device 1 through the feeding tube 10, and the copper powder solution drives the movable plate 4 to move downward. The downward distance of the movable plate 4 is proportional to the amount of the copper powder solution. When the movable plate 4 moves downward, it drives the spring piston rod 3 to squeeze the liquid in the inner cavity of the hydraulic cylinder 2. The squeezed liquid is transported to the inner cavity of the hydraulic cylinder 2 6 along the hydraulic pipe 5, thereby driving the spring piston rod 2 7 to move downward, and then driving the material control plate 8 to move downward, so that the storable space in the inner cavity of the liquid storage cylinder 23 changes, and then the silver ammonia solution is added to the inner cavity of the liquid storage cylinder 23 to fill the storable space of the liquid storage cylinder 23.

[0027] like Figure 2 As shown, in one embodiment, the top of the preparation device 1 is fixedly connected with an arc plate 11, the top of the preparation device 1 is fixedly connected with a limit assembly 13, the bottom end of the discharge telescopic tube 9 is fixedly connected with a conveying hose 14, the left side of the conveying hose 14 is fixedly connected with a liquid outlet pipe 15, the top of the preparation device 1 is fixedly connected with a servo motor 16, the output shaft of the servo motor 16 is movably sleeved with an anti-slip transmission belt 17, the top of the preparation device 1 is movably connected with a three-head extrusion disk 18, the output shaft of the servo motor 16 is fixedly sleeved with a connecting shaft 19, the bottom of the connecting shaft 19 is fixedly connected with a three-stage telescopic tube 20, the bottom end of the three-stage telescopic tube 20 is fixedly connected with a stirring rod 21, and the bottom end of the three-stage telescopic tube 20 is fixedly connected with a one-way liquid outlet valve 22;

[0028] The working principle and beneficial effects of the above technical solution are as follows: when the delivery hose 14 moves downward, the three-stage telescopic tube 20 is extended, and then the servo motor 16 is started to drive the anti-skid transmission belt 17 and the connecting shaft 19 to operate, and the operation of the anti-skid transmission belt 17 drives the three-head extrusion disk 18 to rotate, and then the three-head extrusion disk 18 squeezes the delivery hose 14, and the delivery hose 14 is limited to an arc shape by the arc plate 11 and the limiting assembly 13, so that the three-head extrusion disk 18 extracts the silver ammonia solution from the inner cavity of the liquid storage cylinder 23, and transports it to the inner cavity of the three-stage telescopic tube 20 through the liquid outlet pipe 15, and then discharges it to the inner cavity of the preparation device 1 through the one-way liquid outlet valve 22, and then drives the stirring rod 21 to rotate through the connecting shaft 19 to stir the solution in the inner cavity of the preparation device 1.

[0029] like Figure 2 As shown, in one embodiment, the bottom end of the preparation device 1 is fixedly connected with an air outlet cylinder 24, the bottom end of the movable plate 4 is fixedly connected with a spring piston rod three 25, the bottom of the spring piston rod three 25 is fixedly connected with a connecting pipe 27, the bottom of the connecting pipe 27 is fixedly connected with a one-way air outlet valve 28, the top of the connecting pipe 27 is fixedly connected with a compression cylinder 29, the top of the compression cylinder 29 is fixedly connected with a blowing pipe 30, the middle of the blowing pipe 30 is fixedly connected with a slow air outlet valve 31, the bottom of the blowing pipe 30 is fixedly connected with a control pipe 32, the left side of the preparation device 1 is fixedly connected with a support pipe 33, the inner cavity of the support pipe 33 is fixedly connected with an elastic conical block 34, the left side of the elastic conical block 34 is fixedly connected with a linkage rod 35, the bottom end of the linkage rod 35 is fixedly connected with a blocking block 36, the inner cavity of the compression cylinder 29 is fixedly connected with a spring compression plate 37, and the bottom end of the preparation device 1 is fixedly connected with a vent pipe 38;

[0030] The working principle and beneficial effects of the above technical solution are as follows: the spring piston rod three 25 is driven by the movable plate 4 to squeeze the air in the inner cavity of the air outlet tube 24, and the squeezed air is transported to the inner cavity of the compression tube 29 through the one-way air outlet valve 28 along the connecting pipe 27, and the air is compressed by the spring compression plate 37. When the solution in the inner cavity of the preparation device 1 is prepared and discharged, the movable plate 4 is reset by the tension of the spring piston rod three 25 and the spring piston rod one 3. After the movable plate 4 is reset, the elastic conical block 34 is squeezed, so that the elastic conical block 34 drives the linkage rod 35 to move, and the linkage rod 35 moves to the left, so that the air in the inner cavity of the compression tube 29 can be discharged to the inner cavity of the preparation device 1 through the blowing pipe 30 and the slow air outlet valve 31, thereby air-drying the inner cavity of the preparation device 1.

[0031] like Figure 2 As shown, in one embodiment, a telescopic discharge pipe 39 is fixedly connected to the bottom end of the movable plate 4, and a control valve 26 is fixedly connected to the bottom of the telescopic discharge pipe 39;

[0032] The working principle and beneficial effects of the above technical solution are as follows: after the preparation of the silver-clad copper is completed, the control valve 26 is started to discharge the solution in the inner cavity of the preparation device 1 through the telescopic discharge pipe 39, so as to proceed to the next step of processing.

[0033] like Figure 5 As shown, in one embodiment, the arc plate 11 is arc-shaped, the delivery hose 14 is located in the inner cavity of the arc plate 11, there are two limit assemblies 13, the two limit assemblies 13 are respectively located on the left and right sides of the three-head extrusion disk 18, and the delivery hose 14 is located in the inner cavity of the limit assemblies 13;

[0034] The working principle and beneficial effects of the above technical solution are as follows: the arc plate 11 is in an arc shape, so that the conveying hose 14 can be positioned by the arc plate 11 to make it a fixed shape, and then the left and right sides of the conveying hose 14 are positioned by setting two limit assemblies 13.

[0035] like Figure 5 As shown, in one embodiment, the three-stage telescopic tube 20 is composed of three telescopic tubes, the surfaces of the three telescopic tubes are fixedly mounted with a clamping strip, the inner cavities of the three telescopic tubes are provided with a clamping groove, the interiors of the three telescopic tubes are provided with a limiting groove, and the liquid outlet pipe 15 is connected with the inner cavity of the three-stage telescopic tube 20;

[0036] The working principle and beneficial effects of the above technical solution are as follows: through the clamping strips and clamping grooves of the three telescopic tubes, the three telescopic tubes can be positioned and guided through the clamping strips and clamping grooves, so that when the connecting shaft 19 rotates, it can drive the three-stage telescopic tube 20 to rotate as a whole, and then through the setting of the limiting groove, the three telescopic tubes are limited to each other to avoid detachment and falling.

[0037] like Figure 2 As shown, in one embodiment, there are three air outlets 24, the inner cavities of the three air outlets 24 are connected, and a one-way air inlet valve 12 is fixedly installed at the bottom of the air outlet 24;

[0038] The working principle and beneficial effects of the above technical solution are as follows: through the setting of three air outlets 24, the air in the inner cavities of the three air outlets 24 can be squeezed into the inner cavity of the compression cylinder 29 for compression, ensuring sufficient air, and then through the setting of the one-way air inlet valve 12, when the spring piston rod three 25 drives the movable plate 4 to move up and reset, the external air is drawn into the inner cavity of the air outlet 24 through the one-way air inlet valve 12 to supplement the air in the inner cavity of the air outlet 24.

[0039] like Figure 2 As shown, in one embodiment, the spring piston rod 1 3, the spring piston rod 2 7, and the spring piston rod 3 25 are all composed of a piston rod and a return spring, the piston rod is located at the center of the return spring cavity, and the spring piston rod 1 3, the spring piston rod 2 7, and the spring piston rod 3 25 are respectively fixedly connected to the hydraulic cylinder 1 2, the hydraulic cylinder 2 6, and the air outlet cylinder 24 through the return spring;

[0040] The working principle and beneficial effects of the above technical solution are as follows: through the setting of the piston rod, when the spring piston rod 13 is active, the liquid in the inner cavity of the hydraulic cylinder 2 can be pushed into the inner cavity of the hydraulic cylinder 2 6 along the hydraulic pipe 5, so that the spring piston rod 27 can move downward, and then the spring piston rod 27 drives the material control plate 8 to move downward in the inner cavity of the liquid storage cylinder 23, thereby changing the size of the storage space in the inner cavity of the liquid storage cylinder 23, and then the spring piston rod 3 25 can squeeze the air in the inner cavity of the air outlet cylinder 24, and through the setting of the reset spring, the spring piston rod 13 and the spring piston rod 3 25 can drive the movable plate 4 to move upward and reset when the solution in the inner cavity of the preparation device 1 is reduced.

[0041] Working principle and use process: add the copper powder solution to the inner cavity of the preparation device 1 through the feeding tube 10. At this time, the movable plate 4 moves down in the inner cavity of the preparation device 1 through the retractability of the spring piston rod 1 3 and the spring piston rod 3 25. When the preparation device 1 has more copper powder solution, the movable plate 4 is subjected to a greater weight and the distance it descends is greater. When the movable plate 4 descends, it drives the three-stage telescopic tube 20 to extend. When the spring piston rod 1 3 moves, the liquid in the inner cavity of the hydraulic cylinder 1 2 is transported to the inner cavity of the hydraulic cylinder 2 6 along the hydraulic pipe 5, thereby driving the spring piston rod 2 7 to move down in the inner cavity of the hydraulic cylinder 2 6. When the spring piston rod 2 7 moves down, it drives the material control plate 8 to move down, thereby changing the storage space in the inner cavity of the liquid storage cylinder 23. Then, the silver ammonia solution is transported to the inner cavity of the liquid storage cylinder 23 to fill the inner cavity of the liquid storage cylinder 23.

[0042] When the moving plate 4 moves downward, it drives the spring piston rod 3 25 to move in the inner cavity of the air outlet cylinder 24, so that the air in the inner cavity of the air outlet cylinder 24 is transported to the inner cavity of the compression cylinder 29 along the connecting pipe 27 through the one-way air outlet valve 28, and is compressed by the spring compression plate 37;

[0043] Then, the servo motor 16 is started to drive the connecting shaft 19 to rotate. The rotation of the connecting shaft 19 drives the stirring rod 21 at the bottom of the three-stage telescopic tube 20 to rotate to stir the inner cavity of the preparation device 1. When the connecting shaft 19 rotates, the three-head extrusion disk 18 is driven to rotate by the anti-slip transmission belt 17. The three-head extrusion disk 18 squeezes the delivery hose 14, so that a negative pressure is formed in the inner cavity of the delivery hose 14, so that the silver ammonia solution in the inner cavity of the liquid storage cylinder 23 is extracted and transported to the inner cavity of the three-stage telescopic tube 20 along the delivery hose 14 and the liquid outlet pipe 15, and then transported to the bottom of the copper powder solution in the inner cavity of the preparation device 1 through the one-way liquid outlet valve 22. When the preparation is completed, the control valve 26 is started to discharge the solution in the inner cavity of the preparation device 1.

[0044] Then the movable plate 4 rises in the inner cavity of the preparation device 1, and contacts with the elastic conical block 34 during the rising process, thereby squeezing the elastic conical block 34 to drive the elastic conical block 34 to move, and when the elastic conical block 34 moves, it drives the linkage rod 35 to move, and when the linkage rod 35 moves, it drives the blocking block 36 to move in the inner cavity of the control tube 32, so that the compressed air in the inner cavity of the compression cylinder 29 can be blown out to the inner cavity of the preparation device 1 through the blowing pipe 30 and the slow exhaust valve 31, and discharged through the ventilation pipe 38, so as to air-dry the inner cavity of the preparation device 1.

[0045] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0046] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A chemical wet deposition device for preparing micron silver-coated copper powder, comprising a preparation device (1), characterized in that: The bottom end of the preparation device (1) is fixedly connected to a hydraulic cylinder (2), the inner cavity of the hydraulic cylinder (2) is fixedly connected to a spring piston rod (3), the top end of the spring piston rod (3) is fixedly connected to a movable plate (4), the bottom end of the hydraulic cylinder (2) is fixedly connected to a hydraulic pipe (5), the top end of the hydraulic pipe (5) is fixedly connected to a hydraulic cylinder (6), the inner cavity of the hydraulic cylinder (6) is fixedly connected to a spring piston rod (7), the top end of the spring piston rod (7) is fixedly connected to a material control plate (8), the top end of the preparation device (1) is fixedly connected to a liquid storage cylinder (23), the bottom end of the liquid storage cylinder (23) is fixedly connected to a material discharging telescopic tube (9), the top end of the preparation device (1) A feeding pipe (10) is fixedly connected to the top of the preparation device (1); an arc plate (11) is fixedly connected to the top of the preparation device (1); a limit assembly (13) is fixedly connected to the top of the discharging telescopic tube (9); a conveying hose (14) is fixedly connected to the bottom of the discharging telescopic tube (9); a liquid outlet pipe (15) is fixedly connected to the left side of the conveying hose (14); a servo motor (16) is fixedly connected to the top of the preparation device (1); an output shaft of the servo motor (16) is movably sleeved with an anti-slip transmission belt (17); a three-head extrusion disc (18) is movably connected to the top of the preparation device (1); the output shaft of the servo motor (16) is fixedly sleeved with a connecting shaft (19); the bottom of the connecting shaft (19) is fixedly connected to A three-stage telescopic tube (20) is provided, the bottom end of the three-stage telescopic tube (20) is fixedly connected to a stirring rod (21), and the bottom end of the three-stage telescopic tube (20) is fixedly connected to a one-way liquid outlet valve (22); the bottom end of the preparation device (1) is fixedly connected to an air outlet cylinder (24), the bottom end of the movable plate (4) is fixedly connected to a spring piston rod three (25), the bottom of the spring piston rod three (25) is fixedly connected to a connecting tube (27), the bottom of the connecting tube (27) is fixedly connected to a one-way air outlet valve (28), the top of the connecting tube (27) is fixedly connected to a compression cylinder (29), the top end of the compression cylinder (29) is fixedly connected to a blowing tube (30), and the middle of the blowing tube (30) is fixedly connected to a slow An air outlet valve (31), a control tube (32) is fixedly connected to the bottom of the blowing tube (30), a support tube (33) is fixedly connected to the left side of the preparation device (1), an elastic conical block (34) is fixedly connected to the inner cavity of the support tube (33), a linkage rod (35) is fixedly connected to the left side of the elastic conical block (34), a blocking block (36) is fixedly connected to the bottom end of the linkage rod (35), a spring compression plate (37) is fixedly connected to the inner cavity of the compression cylinder (29), and a ventilation tube (38) is fixedly connected to the bottom end of the preparation device (1); a telescopic discharge tube (39) is fixedly connected to the bottom end of the telescopic discharge tube (39), and a control valve (26) is fixedly connected to the bottom of the telescopic discharge tube (39).

2. A chemical wet deposition device for preparing micron silver-coated copper powder according to claim 1, characterized in that: The arc plate (11) is in an arc shape, the delivery hose (14) is located in the inner cavity of the arc plate (11), there are two limit assemblies (13), the two limit assemblies (13) are respectively located on the left and right sides of the three-head extrusion disk (18), and the delivery hose (14) is located in the inner cavity of the limit assemblies (13).

3. A chemical wet deposition device for preparing micron silver-coated copper powder according to claim 1, characterized in that: The three-stage telescopic tube (20) is composed of three telescopic tubes, the surfaces of the three telescopic tubes are all fixedly mounted with clamping strips, the inner cavities of the three telescopic tubes are all provided with clamping grooves, the interiors of the three telescopic tubes are all provided with limiting grooves, and the liquid outlet tube (15) is connected to the inner cavity of the three-stage telescopic tube (20).

4. A chemical wet deposition device for preparing micron silver-coated copper powder according to claim 1, characterized in that: There are three air outlets (24) in total, the inner cavities of the three air outlets (24) are connected, and a one-way air inlet valve (12) is fixedly mounted on the bottom of the air outlet (24).

5. The chemical wet deposition device for preparing micron silver-coated copper powder according to claim 1, characterized in that: The spring piston rod one (3), spring piston rod two (7), and spring piston rod three (25) are all composed of a piston rod and a return spring. The piston rod is located at the center of the inner cavity of the return spring. The spring piston rod one (3), spring piston rod two (7), and spring piston rod three (25) are respectively fixedly connected to the hydraulic cylinder one (2), hydraulic cylinder two (6), and the air outlet cylinder (24) through the return spring.

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