A drying device for producing conductive copper powder

Abstract

The utility model discloses a kind of drying devices for conductive copper powder production, specifically relate to drying device technical field, including frame, drying assembly is equipped in frame, stirring assembly is equipped in drying assembly, driving assembly is equipped above drying assembly. By the setting of stirring assembly, on the one hand, wet copper powder is put into feed hopper, let rotating shaft and the rotation of spiral blade drive copper powder to be conveyed with spiral blade in stirring drum, to prevent copper powder from forming group, and preliminary drying can also be carried out, on the other hand, when copper powder falls on barrier plate from discharge port, make stirring blade to copper powder and turn over, and then let copper powder be fully dried, when stirring blade pushes copper powder a circle, let the copper powder that dries from communication port enter the conical bin of inner cylinder, when copper powder needs to be taken out, open the sealing cover on discharge port, take copper powder from the conical bin of inner cylinder, to realize the uniform drying of copper powder, improve the use performance of copper powder and the working efficiency of drying device.

Description

Technical Field

[0001] This utility model relates to the field of drying equipment technology, and more specifically, to a drying device for the production of conductive copper powder. Background Technology

[0002] Conductive copper powder is a powder material with copper or copper alloy as the main component, prepared through special processes (such as electrolysis, atomization, and chemical plating). It possesses high electrical conductivity, thermal conductivity, and oxidation resistance. It is widely used in electronics, energy, and chemical industries. A drying device (also known as a dryer or dryer machine) is a combination of mechanical equipment that removes moisture or other liquids from the surface of an object using heating, ventilation, and other technical means. Its core function is to use heat energy to accelerate the vaporization and escape of moisture (such as water or volatile liquids) in copper powder to achieve the specified drying requirements.

[0003] In the traditional drying process, the conductive copper powder has fine particles. After feeding, the surface dries quickly and forms a solidified layer, making it difficult for the inside to dry completely. This affects its conductivity and adhesion during use.

[0004] This invention provides a drying device for the production of conductive copper powder, which aims to solve the problem that the surface of conductive copper powder is rapidly dried and forms a solidified layer during the drying process, making it difficult to dry the interior, thus affecting its conductivity and adhesion during use. Utility Model Content

[0005] The purpose of this invention is to provide a drying device for the production of conductive copper powder, so as to solve the problem mentioned in the background art that the surface of conductive copper powder is rapidly dried and forms a solidified layer during the drying process, which makes it difficult to dry the inside, thus affecting its conductivity and adhesion during use.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a drying device for producing conductive copper powder, comprising a frame, a drying component disposed within the frame, a stirring component disposed within the drying component, and a driving component disposed above the drying component; The drying assembly includes an outer cylinder fixedly connected to the frame. The outer cylinder is tapered at one end near the frame. An inner cylinder with the same appearance as the outer cylinder is fixedly connected inside the outer cylinder. An air venting layer is provided between the outer cylinder and the inner cylinder. An air inlet and an air outlet communicating with the air venting layer are provided on the outer wall of the outer cylinder.

[0007] Preferably, the bottom of the inner cylinder has a discharge port that extends through the outer cylinder, and a baffle plate is fixedly connected to one end of the conical surface inside the inner cylinder. The baffle plate has a communication opening on the side near the inner cylinder, and a cover plate is fixedly connected to the end of the outer cylinder away from the frame.

[0008] Preferably, the stirring assembly includes a stirring cylinder, which is located at the center of the inner cylinder and extends through the outer cylinder, the inner cylinder and the baffle plate. A feed inlet is provided on the outer wall of one end of the stirring cylinder near the frame, and a discharge outlet is provided on the outer wall of the other end of the stirring cylinder. A rotating shaft is rotatably connected inside the stirring cylinder, and a spiral blade is fixedly connected to the outer wall of the rotating shaft.

[0009] Preferably, a feed hopper is fixedly connected to the frame, one end of the feed hopper near the mixing drum is connected to the feed inlet, and the other end of the feed hopper is connected to a cover.

[0010] Preferably, a connecting plate is rotatably connected to one end of the rotating shaft near the cover plate, and a plurality of connecting plates arranged equidistantly in a circle are fixedly connected to one end of the connecting plate near the stirring drum. A stirring rod is fixedly connected to the other side of each connecting plate, and a stirring blade is fixedly connected to the other end of each stirring rod. Each stirring blade is wedge-shaped and inclined.

[0011] Preferably, the cover plate is provided with an exhaust pipe that communicates with the inner cylinder, and the exhaust pipe contains activated carbon.

[0012] Preferably, the drive assembly includes a connecting seat fixedly connected to the cover plate, and the outer wall of the connecting disc is rotatably connected to the connecting seat via a bearing.

[0013] Preferably, a first gear is fixedly connected to one end of the rotating shaft near the connecting seat, and a second gear is fixedly connected to one end of the connecting disc near the first gear.

[0014] Preferably, a bracket is fixedly connected to the outer wall of the connecting seat, a motor is fixedly connected to the bracket, and a drive gear and a notched gear are fixedly connected to the output shaft of the motor.

[0015] Preferably, the drive gear meshes with the first gear, and the notched gear meshes with the second gear.

[0016] The technical effects and advantages of this utility model are as follows: 1. By setting up the stirring component, on the one hand, wet copper powder is put into the feed hopper, and the rotation of the rotating shaft and the spiral blade drives the copper powder to follow the spiral blade in the stirring drum, thereby preventing the copper powder from clumping and also performing preliminary drying. On the other hand, when the copper powder falls from the discharge port onto the baffle plate, the stirring blade turns the copper powder, thereby allowing the copper powder to be fully dried. After the stirring blade pushes the copper powder once, the dried copper powder enters the conical chamber of the inner cylinder from the connecting port. When it is necessary to remove the copper powder, the sealing cover on the discharge port is opened to remove the copper powder from the conical chamber of the inner cylinder, thereby achieving uniform drying of the copper powder, improving the performance of the copper powder and the working efficiency of the drying device. 2. By using an exhaust pipe and activated carbon, a large amount of steam is generated during the drying of copper powder in the inner cylinder. The steam is discharged through the exhaust pipe. Activated carbon is installed in the exhaust pipe to filter the steam as it is discharged, preventing the powder generated during the drying of copper powder from being discharged through the exhaust pipe, thus reducing the copper powder output and causing copper powder waste. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a cross-sectional view of the overall internal structure of this utility model; Figure 3 This is a schematic diagram of the stirring assembly structure of this utility model; Figure 4 This is a schematic diagram of the exploded structure of the rotating shaft and stirring cylinder of this utility model; Figure 5 This is a schematic diagram of the stirring blade structure of this utility model; Figure 6 This is an exploded view of the drive component of this utility model; Figure 7 This utility model Figure 2 Enlarged view of the structure of part A.

[0018] The attached figures are labeled as follows: 1. Frame; 2. Drying assembly; 21. Outer cylinder; 22. Inner cylinder; 23. Ventilation layer; 24. Air inlet; 25. Air outlet; 26. Discharge outlet; 27. Baffle plate; 28. Connecting port; 29. ​​Cover plate; 3. Stirring assembly; 31. Stirring drum; 32. Feed inlet; 33. Discharge outlet; 34. Rotating shaft; 35. Spiral blade; 36. Feed hopper; 37. Cover; 38. Connecting plate; 39. Connecting plate; 310. Stirring rod; 311. Stirring blade; 312. Exhaust pipe; 313. Activated carbon; 4. Drive assembly; 41. Connecting seat; 42. First gear; 43. Second gear; 44. Support; 45. Motor; 46. Drive gear; 47. Notched gear. Detailed Implementation

[0019] 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. Example

[0020] In the traditional drying process, the conductive copper powder has fine particles. After feeding, the surface dries quickly and forms a solidified layer, making it difficult for the inside to dry completely. This affects its conductivity and adhesion during use.

[0021] refer to Figure 1 and Figure 2 A drying device for producing conductive copper according to an embodiment of the present invention includes a frame 1, a drying component 2 inside the frame 1, a stirring component 3 inside the drying component 2, and a driving component 4 above the drying component 2.

[0022] refer to Figure 2 and Figure 3 The drying assembly 2 includes an outer cylinder 21 fixedly connected to the frame 1. The outer cylinder 21 is tapered at one end near the frame 1. An inner cylinder 22 with the same appearance as the outer cylinder 21 is fixedly connected inside the outer cylinder 21. An air venting layer 23 is provided between the outer cylinder 21 and the inner cylinder 22. An air inlet 24 and an air outlet 25 connected to the air venting layer 23 are provided on the outer wall of the outer cylinder 21.

[0023] When drying the copper powder in the inner cylinder 22, hot air enters the ventilation layer 23 from the air inlet 24 and heats the inner cylinder 22, causing the temperature of the inner cylinder 22 to rise and dry the copper powder. Then, the hot air circulates in the ventilation layer 23 and is discharged from the air outlet 25, and is recovered and heated by the hot air storage device. The heated hot air is then reintroduced from the air inlet 24, and the cycle continues.

[0024] refer to Figure 2 and Figure 3 The bottom of the inner cylinder 22 is provided with a discharge port 26 that extends through the outer cylinder 21. The end of the discharge port 26 is provided with a sealing cap. A baffle plate 27 is fixedly connected to one end of the conical surface inside the inner cylinder 22. A connecting port 28 is opened on the side of the baffle plate 27 near the inner cylinder 22. A cover plate 29 is fixedly connected to one end of the outer cylinder 21 away from the frame 1.

[0025] The dried copper powder on the baffle plate 27 enters the conical chamber of the inner cylinder 22 through the connecting port 28 and is stored there. When it needs to be removed, the sealing cover on the discharge port 26 is opened and the copper powder is taken out from the conical chamber of the inner cylinder 22.

[0026] refer to Figure 2 and Figure 4The mixing assembly 3 includes a mixing drum 31, which is located at the center of the inner drum 22 and passes through the outer drum 21, the inner drum 22 and the baffle plate 27. The mixing drum 31 has a feed inlet 32 ​​on the outer wall of one end near the frame 1 and a discharge outlet 33 on the outer wall of the other end. A rotating shaft 34 is rotatably connected inside the mixing drum 31, and a spiral blade 35 is fixedly connected to the outer wall of the rotating shaft 34. A feed hopper 36 is fixedly connected to the frame 1. The end of the feed hopper 36 near the mixing drum 31 is connected to the feed inlet 32, and the other end of the feed hopper 36 is connected to a cover 37.

[0027] By setting the stirring component 3, copper powder is put into the feed hopper 36 and enters the stirring drum 31 from the feed port 32. Then, the rotating shaft 34 drives the spiral blade 35 to rotate and conveys the copper powder from the spiral blade 35, initially preventing the copper powder from clumping. The spiral blade 35 then discharges the copper powder from the discharge port 33 into the baffle plate 27.

[0028] refer to Figure 3 and Figure 5 The rotating shaft 34 is rotatably connected to a connecting plate 38 near the end of the cover plate 29. The connecting plate 38 is fixedly connected to a plurality of connecting plates 39 arranged equidistantly in a circle near the end of the mixing drum 31. A stirring rod 310 is fixedly connected to the other side of each connecting plate 39. A stirring blade 311 is fixedly connected to the other end of each stirring rod 310. Each stirring blade 311 is wedge-shaped and inclined.

[0029] The copper powder is turned over from the baffle plate 27 by the rotation of the stirring blade 311 and slowly moves towards the inner wall of the inner cylinder 22. After the stirring blade 311 rotates once, the dried copper powder enters the conical chamber of the inner cylinder 22 through the connecting port 28.

[0030] refer to Figure 2 The cover plate 29 is provided with an exhaust pipe 312 that is connected to the inner cylinder 22, and activated carbon 313 is provided inside the exhaust pipe 312.

[0031] With the installation of exhaust pipe 312 and activated carbon 313, a large amount of steam will be generated when the copper powder in the inner cylinder 22 is dried. The steam will be discharged from exhaust pipe 312. Activated carbon 313 is installed in exhaust pipe 312 to filter the steam when it is discharged from exhaust pipe 312, preventing the powder generated during copper powder drying from being discharged from exhaust pipe 312, thereby reducing copper powder production and copper powder waste.

[0032] refer to Figure 2 , Figure 6 and Figure 7The drive assembly 4 includes a connecting seat 41 fixedly connected to the cover plate 29. The outer wall of the connecting disc 38 is rotatably connected to the connecting seat 41 via a bearing. A first gear 42 is fixedly connected to one end of the rotating shaft 34 near the connecting seat 41. A second gear 43 is fixedly connected to one end of the connecting disc 38 near the first gear 42. A bracket 44 is fixedly connected to the outer wall of the connecting seat 41. A motor 45 is fixedly connected to the bracket 44. A drive gear 46 and a notched gear 47 are fixedly connected to the output shaft of the motor 45. The drive gear 46 meshes with the first gear 42, and the notched gear 47 meshes with the second gear 43.

[0033] It should be noted that when the drive gear 46 drives the first gear 42 to rotate one revolution, it will simultaneously cause the notched gear 47 to drive the second gear 43 to rotate half a revolution, thereby allowing the connecting disc 38 to drive the stirring blade 311 to push a portion of the copper powder, preventing the heat from only drying the copper powder. When the second gear 43 stops rotating, the heat of the inner cylinder 22 can be fully used to dry the copper powder, thus preventing the problem of uneven drying of the copper powder.

[0034] In actual use, hot air is first released into the ventilation layer 23 through the air inlet 24 to heat the inner cylinder 22. At this time, the cover 37 is opened, and wet copper powder is put into the feed hopper 36. Then, the motor 45 is started, causing the drive gear 46 and the notched gear 47 to drive the first gear 42 and the second gear 43 to rotate. At the same time, the rotating shaft 34 and the spiral blade 35 will rotate together, so that the copper powder is conveyed upward along with the rotation of the spiral blade 35. The copper powder falls from the discharge port 33 onto the baffle plate 27. Then, the connecting plate 38 drives the stirring blade 311 to rotate, causing the copper powder on the baffle plate 27 to move and tumble. When the stirring blade 311 pushes the copper powder, The copper powder will slowly move towards the inner wall of the inner cylinder 22. After the stirring blade 311 pushes the copper powder once, the dried copper powder enters the conical chamber of the inner cylinder 22 through the connecting port 28. When it is necessary to remove the copper powder, the sealing cover on the discharge port 26 is opened to remove the copper powder from the conical chamber of the inner cylinder 22. When the copper powder is drying in the inner cylinder 22, a large amount of steam will be generated. The steam will be discharged through the exhaust pipe 312. Activated carbon 313 is installed in the exhaust pipe 312 to filter the steam when it is discharged from the exhaust pipe 312, preventing the powder generated during the drying of copper powder from being discharged from the exhaust pipe 312, thereby reducing the copper powder output and causing copper powder waste.

[0035] In summary, by setting up the stirring assembly 3, on the one hand, wet copper powder is put into the feed hopper 36, and the rotation of the rotating shaft 34 and the spiral blade 35 drives the copper powder to follow the spiral blade 35 and be conveyed in the stirring drum 31, thereby preventing the copper powder from clumping and also allowing for preliminary drying. On the other hand, when the copper powder falls from the discharge port 33 onto the baffle plate 27, the stirring blade 311 agitates the copper powder, thereby allowing the copper powder to be fully dried. After the stirring blade 311 pushes the copper powder once, the dried copper powder enters the conical chamber of the inner cylinder 22 from the connecting port 28. When it is necessary to remove the copper powder, the sealing cover on the discharge port 26 is opened to remove the copper powder from the conical chamber of the inner cylinder 22, thereby achieving uniform drying of the copper powder, improving the performance of the copper powder and the working efficiency of the drying device.

[0036] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A drying device for producing conductive copper powder, comprising a frame, characterized in that: The frame is equipped with a drying component, the drying component is equipped with a stirring component, and a driving component is provided above the drying component; The drying assembly includes an outer cylinder fixedly connected to the frame. The outer cylinder is tapered at one end near the frame. An inner cylinder with the same appearance as the outer cylinder is fixedly connected inside the outer cylinder. An air vent is provided between the outer cylinder and the inner cylinder. An air inlet and an air outlet communicating with the air vent are provided on the outer wall of the outer cylinder. The bottom of the inner cylinder is provided with a discharge port that extends through the outer cylinder. A baffle plate is fixedly connected to one end of the conical surface inside the inner cylinder. A communication port is opened on the side of the baffle plate near the inner cylinder. A cover plate is fixedly connected to the end of the outer cylinder away from the frame. The stirring assembly includes a stirring cylinder located at the center of the inner cylinder and passing through the outer cylinder, the inner cylinder, and the baffle plate. A feed inlet is provided on the outer wall of one end of the stirring cylinder near the frame, and a discharge outlet is provided on the outer wall of the other end of the stirring cylinder. A rotating shaft is rotatably connected inside the stirring cylinder, and a spiral blade is fixedly connected to the outer wall of the rotating shaft.

2. The drying apparatus for producing conductive copper powder according to claim 1, characterized in that: A feed hopper is fixedly connected to the frame. One end of the feed hopper near the mixing drum is connected to the feed inlet, and the other end of the feed hopper is connected to a cover.

3. The drying apparatus for producing conductive copper powder according to claim 2, characterized in that: The rotating shaft is rotatably connected to a connecting plate at one end near the cover plate. A plurality of connecting plates are fixedly connected to the connecting plate at one end near the stirring drum. A stirring rod is fixedly connected to the other side of each connecting plate. A stirring blade is fixedly connected to the other end of each stirring rod. Each stirring blade is wedge-shaped and inclined.

4. The drying apparatus for producing conductive copper powder according to claim 3, characterized in that: The cover plate is provided with an exhaust pipe that communicates with the inner cylinder, and activated carbon is provided inside the exhaust pipe.

5. The drying apparatus for producing conductive copper powder according to claim 4, characterized in that: The drive assembly includes a connecting seat fixedly connected to the cover plate, and the outer wall of the connecting disc is rotatably connected to the connecting seat via a bearing.

6. The drying apparatus for producing conductive copper powder according to claim 5, characterized in that: A first gear is fixedly connected to one end of the rotating shaft near the connecting seat, and a second gear is fixedly connected to one end of the connecting disc near the first gear.

7. The drying apparatus for producing conductive copper powder according to claim 6, characterized in that: A bracket is fixedly connected to the outer wall of the connecting seat, a motor is fixedly connected to the bracket, and a drive gear and a notched gear are fixedly connected to the output shaft of the motor.

8. The drying apparatus for producing conductive copper powder according to claim 7, characterized in that: The drive gear meshes with the first gear, and the notched gear meshes with the second gear.

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