Copper powder drying device

Abstract

The utility model provides a copper powder drying device which comprises an outer box, the interior of the outer box is fixedly connected with an inner box through a fixing plate, the inner side face of the outer box is symmetrically connected with heating pipes, the surface of the fixing plate is symmetrically connected with gas conveying pipes, the lower surface of the inner box is fixedly connected with a flow dividing ring, and the lower ends of the gas conveying pipes are communicated with an inner cavity of the flow dividing ring. The upper surface of the shunting ring is symmetrically connected with one-way valves, the one-way valves are fixedly connected into fixing holes formed in the lower surface of the inner box, meanwhile, the two ends of a fixing cylinder are communicated with the upper surfaces of the outer box and the inner box respectively, the upper end of the fixing cylinder is fixedly connected with an embedding cylinder, the upper surface of the embedding cylinder is fixedly communicated with an exhaust pipe, and the lower end of an inner cavity of the embedding cylinder is fixedly connected with a main filter screen. According to the copper powder drying device, through cooperation of the outer box, the inner box, the heating pipe, the air conveying pipe, the one-way valve and the main stirring plate, copper powder can be evenly heated and disturbed in the inner box, water vapor generated in the inner box can be rapidly discharged, and therefore the copper powder drying efficiency of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to copper powder processing technical field, concretely relates to a copper powder drying device. BACKGROUND

[0002] ‌Copper powder is widely used in powder metallurgy, electric carbon products, electronic materials, metal coating, chemical catalyst, filter, heat dissipation pipe and other electromechanical parts and electronic aviation field, when processing copper powder, the extracted copper powder needs to be dried in order to facilitate subsequent processing, but the existing copper powder drying device can stir the copper powder and dry it, but the internal structure of the common copper powder drying device lacks a corresponding cleaning structure, and in the process of drying the copper powder, a small amount of copper powder is easily attached to the inner wall of the drying bin in the form of a flake, which is difficult to clean, thereby increasing the cleaning difficulty of subsequent workers, and also affecting the drying effect of the subsequent copper powder, and the internal structure of the common copper powder drying device mostly uses heating pipes to heat and dry the copper powder, if the number of heating pipes is small, the copper powder is prone to uneven heating, if the number of heating pipes is large, the energy consumption of copper powder drying is increased, and the water vapor generated by the heating of the copper powder is also difficult to quickly discharge, thereby reducing the drying efficiency of the copper powder. SUMMARY

[0003] In order to overcome the defects of the prior art, the present application provides a copper powder drying device to solve the problems in the background art.

[0004] In order to achieve the above purpose, a copper powder drying device is provided, which comprises: an outer box, an injection pipe is fixedly connected to the upper end of the outer box outer side, and the two ends of the injection pipe and the discharge pipe are respectively communicated with the surfaces of the outer box and the inner box, the inner box is fixedly connected to the inner box through the fixed plate, the outer box inner side is symmetrically connected with the heating pipe, the surface of the fixed plate is symmetrically connected with the gas inlet pipe, the lower surface of the inner box is fixedly connected with the flow divider, the lower end of the gas inlet pipe is communicated with the inner cavity of the flow divider, the upper surface of the flow divider is symmetrically connected with the one-way valve, the one-way valve is fixedly connected in the fixed hole opened in the lower surface of the inner box, the two ends of the fixed cylinder are respectively communicated with the upper surfaces of the outer box and the inner box, the upper end of the fixed cylinder is fixedly connected with the embedded cylinder, the upper surface of the embedded cylinder is fixedly communicated with the exhaust pipe, the inner cavity of the embedded cylinder is fixedly connected with the main filter screen at the lower end, and the upper surface of the outer box is fixedly connected with the main motor, the output shaft of the main motor is connected with the transmission shaft through the shaft coupling, the transmission shaft is movably connected in the inner box through the sealing bearing, and the surface of the transmission shaft is fixedly connected with the main stirring plate and the auxiliary stirring plate.

[0005] Preferably, the outer box is in a hollow cylindrical structure, and the two groups of fixed plates fixedly connected to the upper and lower ends of the outer box inner side are in a circular ring structure, and the inner cavity of the outer box is divided into an injection groove, a heating groove and a buffer groove from top to bottom through the inner box and the fixed plate.

[0006] Preferably, the heating groove of the outer box is in a circular ring structure, and the outer arc surface of the heating groove is fixedly connected with a plurality of groups of heating pipes in equal intervals in the circumferential direction, and the outer box is made of heat insulation material, and the inner box is made of heat conduction material.

[0007] Preferably, the gas conveying pipe is in an L-shaped structure, one end of the main body of the gas conveying pipe is fixedly connected with a group of fixed plates, and the surface of the fixed plate is fixedly connected with a plurality of groups of gas conveying pipes in equal intervals in the circumferential direction, and the adjacent gas conveying pipe and the heating pipe are distributed in a staggered manner, and the gas injection groove of the outer box is communicated with the inner cavity of the shunt ring through the gas conveying pipe.

[0008] Preferably, the shunt ring is in a circular ring structure, the axial section of the shunt ring is in a mouth-shaped structure, and a plurality of groups of one-way valves are fixedly connected to the upper surface of the shunt ring in equal intervals in the circumferential direction, and a fixed hole is formed in the lower surface of the inner box corresponding to the position of the one-way valve, and a secondary filter screen is fixedly connected to the upper end of the fixed hole, and the size of the fixed hole and the outer side surface of the one-way valve is matched.

[0009] Preferably, the inner box is in a hollow cylindrical structure as a whole, the lower end of the inner box is in a circular truncated cone structure, the upper end of the transmission shaft is movably connected with the top of the inner box and the top of the outer box through the sealing bearing, three groups of main stirring plates are fixedly connected to the middle part of the transmission shaft in equal intervals, and a secondary stirring plate is fixedly connected to the lower end of the transmission shaft, the main stirring plate is in a dry structure, one end of the main stirring plate away from the transmission shaft is attached to the inner side surface of the inner box, and the secondary stirring plate is in a n-shaped structure, and the secondary stirring plate is attached to the bottom of the inner box.

[0010] Preferably, the fixed cylinder is in a cylindrical structure, the upper end of the fixed cylinder is screwed into the embedded cylinder through a threaded structure, the embedded part of the embedded cylinder is in a cylindrical structure, the size of the outer side surface of the embedded part of the embedded cylinder is matched with the size of the inner cavity of the fixed cylinder, and two groups of main filter screens are fixedly connected to the lower end of the inner cavity of the embedded cylinder.

[0011] Compared with the prior art, the device has the advantages that: through the cooperation of the main motor, the transmission shaft, the main stirring plate and the secondary stirring plate, the device can not only stir effectively during the drying process of the copper powder, but also can clean the inner side surface of the inner box, so as to avoid the adhesion of the copper powder and ensure the drying effect of the copper powder, and the difficulty of cleaning the device by the subsequent workers is reduced, and through the cooperation of the outer box, the fixed plate, the inner box, the heating pipe, the gas conveying pipe, the shunt ring and the one-way valve, the copper powder in the device can be uniformly heated and dried, and the water vapor generated during the drying of the copper powder can be quickly discharged, which can improve the drying efficiency of the copper powder, and can also reduce the number of heating pipes and the energy consumption during the drying of the copper powder. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a front view schematic diagram of the embodiment of the utility model.

[0013] Figure 2 It is a top view schematic diagram of the embodiment of the utility model.

[0014] Figure 3 It is the A place enlarged schematic diagram of the embodiment of the utility model. Figure 1

[0015] Figure 4 It is the B place enlarged schematic diagram of the embodiment of the utility model. Figure 1

[0016] In the drawing: 1, outer box;2, gas pipe;3, inner box;4, fixed plate;5, heating pipe;6, transmission shaft;7, gas injection pipe;8, auxiliary stirring plate;9, main stirring plate;10, exhaust pipe;11, main motor;12, check valve;13, shunt ring;14, embedded cylinder;15, fixed cylinder;16, main filter screen. Specific implementation

[0017] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0018] Referring to the drawing shown in Figures 1 to 4 The utility model provides a kind of copper powder drying device, it includes: outer box 1, the upper end of outer box 1 outer side is fixedly connected with gas injection pipe 7, and the two ends of injection pipe and discharge pipe are respectively communicated with the surface of outer box 1 and inner box 3, the inner box 3 is fixedly connected in the inside of outer box 1 by fixed plate 4, and the inner side of outer box 1 is symmetrically connected with heating pipe 5, and the surface of fixed plate 4 is symmetrically connected with gas pipe 2, and the lower surface of inner box 3 is fixedly connected with shunt ring 13, and the lower end of gas pipe 2 is communicated with the inner cavity of shunt ring 13, and the upper surface of shunt ring 13 is symmetrically connected with check valve 12, check valve 12 is fixedly connected in the fixed hole of lower surface of inner box 3, while the two ends of fixed cylinder 15 are respectively communicated with the upper surface of outer box 1 and inner box 3, and the upper end of fixed cylinder 15 is fixedly connected with embedded cylinder 14, the upper surface of embedded cylinder 14 is fixedly communicated with exhaust pipe 10, the inner cavity lower end of embedded cylinder 14 is fixedly connected with main filter screen 16, and the upper surface of outer box 1 is fixedly connected with main motor 11, and the output shaft of main motor 11 is connected with transmission shaft 6 by coupling, and transmission shaft 6 is movably connected in inner box 3 by sealing bearing, and the surface of transmission shaft 6 is fixedly connected with main stirring plate 9 and auxiliary stirring plate 8 respectively.

[0019] ​​In the embodiment, the copper powder is poured into the inner box 3 through the pouring pipe, after closing the pouring pipe, the switch of the heating pipe 5 is started, the heating pipe 5 performs corresponding heating on the heating groove of the outer box 1, then the heat can be transmitted to the copper powder through the inner box 3, after starting the switch of the main motor 11, the output shaft of the main motor 11 drives the transmission shaft 6 to rotate through the shaft coupling, and the transmission shaft 6 drives the main stirring plate 9 and the auxiliary stirring plate 8 to rotate synchronously, so that the copper powder can be stirred in the inner box 3, and the main stirring plate 9 and the auxiliary stirring plate 8 can also clean the inner side of the inner box 3, so as to avoid the copper powder adhering, then the electromagnetic valve on the gas injection pipe 7 is opened, so that the inert gas can flow into the gas injection groove of the outer box 1 through the gas injection pipe 7, and when the inert gas flows into the flow distribution ring 13 through the gas supply pipe 2, the inert gas is heated by the heating groove, then the heated inert gas in the flow distribution ring 13 is sprayed into the inner box 3 through the one-way valve 12, then the copper powder in the inner box 3 is further stirred and dried, so that the copper powder is heated more uniformly, and the inert gas can carry the water vapor generated by the heating of the copper powder to flow out synchronously through the embedded cylinder 14 and the exhaust pipe 10, which can improve the drying efficiency of the copper powder, and the main filter screen 16 arranged in the embedded cylinder 14 can effectively filter and intercept the copper powder carried in the inert gas, so as to effectively reduce the waste rate of the copper powder, after the copper powder is dried for a certain time, the electromagnetic valve of the gas injection pipe 7 is closed, the heating pipe 5 is closed, and the pouring pipe and the discharging pipe are opened, so that the dried copper powder in the inner box 3 can be smoothly discharged, which is convenient for the next batch of copper powder.

[0020] As a preferred embodiment, the outer box 1 is in a hollow cylindrical structure, and the two groups of fixed plates 4 fixedly connected to the upper and lower ends of the inner side of the outer box 1 are both in a circular ring structure, and the inner cavity of the outer box 1 is divided into a gas injection groove, a heating groove and a buffer groove from top to bottom by the inner box 3 and the fixed plates 4.

[0021] In the embodiment, as Figure 1 , the fixed plate 4 can not only enhance the stability of the connection between the outer box 1 and the inner box 3, but also divide the inner cavity of the outer box 1 correspondingly, so that the inert gas injected by the gas injection pipe 7 can move along a specific path.

[0022] As a preferred embodiment, the heating groove of the inner cavity of the outer box 1 is in a circular ring structure, the outer arc surface of the heating groove is fixedly connected to a plurality of groups of heating pipes 5 at equal intervals in the circumferential direction, the outer box 1 is made of heat insulation material, and the inner box 3 is made of heat conduction material.

[0023] In the embodiment, as Figure 1 and Figure 2 , the heat insulation material of the outer box 1 can effectively reduce the efficiency of heat dissipation in the heating groove, so as to ensure the heating effect of the inert gas and the copper powder in the device, and the heat conduction material of the inner box 3 can assist to improve the uniformity of the heating of the copper powder.

[0024] As a preferred embodiment, the gas supply pipe 2 has an L-shaped structure. A set of fixing plates 4 are fixedly connected to both ends of the main body of the gas supply pipe 2. Multiple sets of gas supply pipes 2 are fixedly connected around the surface of the fixing plates 4 at equal intervals in the circumferential direction. The adjacent gas supply pipes 2 and heating pipes 5 are staggered. At the same time, the gas injection groove of the outer box 1 is connected to the inner cavity of the diversion ring 13 through the gas supply pipe 2.

[0025] In this embodiment, as Figure 1 and Figure 2 The gas supply pipe 2 allows the inert gas in the gas injection tank to flow smoothly into the inner cavity of the diversion ring 13. The inert gas is divided into multiple streams through the gas supply pipe 2 and flows through the heating tank, which can help improve the heating effect of the inert gas and allow the inert gas to flow into the diversion ring 13 in the form of hot air.

[0026] In a preferred embodiment, the diversion ring 13 has a circular ring structure and a U-shaped cross section. Multiple sets of one-way valves 12 are fixedly connected around the upper surface of the diversion ring 13 at equal intervals. Fixing holes are opened on the lower surface of the inner box 3 corresponding to the positions of the one-way valves 12. At the same time, a secondary filter screen is fixedly connected at the upper opening of the fixing hole. The dimensions of the fixing hole and the outer side of the one-way valve 12 are compatible.

[0027] In this embodiment, as Figure 1 , Figure 2 and Figure 3 The one-way valve 12 allows the hot inert gas in the diversion ring 13 to be smoothly injected into the inner chamber 3, improving the stirring effect of the copper powder and enhancing the uniformity of the copper powder heating. It also effectively prevents the copper powder from falling into the diversion ring 13 through the one-way valve 12. Furthermore, the secondary filter screen can intercept the copper powder, further reducing the probability of it contacting the port of the one-way valve 12, ensuring that the inert gas can be smoothly injected.

[0028] In a preferred embodiment, the inner box 3 is a hollow cylindrical structure, and the lower end of the inner box 3 is a frustum-shaped structure. The upper end of the drive shaft 6 is movably connected to the top of the inner box 3 and the top of the outer box 1 through sealed bearings. Three sets of main stirring plates 9 are fixedly connected at equal intervals in the middle of the drive shaft 6, and the lower end of the drive shaft 6 is fixedly connected to the auxiliary stirring plate 8. The main stirring plate 9 has a dry shape, and the end of the main stirring plate 9 away from the drive shaft 6 is attached to the inner side of the inner box 3. The auxiliary stirring plate 8 has a U-shaped structure and is attached to the bottom of the inner box 3.

[0029] In this embodiment, as Figure 1 and Figure 2, the structure of the main stirring plate 9 and the auxiliary stirring plate 8 can enhance the uniformity of the stirring of the copper powder in the inner box 3, effectively reduce the probability of the copper powder adhering to the surface of the inner box 3, thereby assisting in enhancing the overall heating effect of the copper powder, and assisting in improving the outflow effect of the water vapor during the stirring of the copper powder, thereby assisting in improving the drying efficiency of the copper powder.

[0030] As a preferred embodiment, the fixed cylinder 15 is in a cylindrical structure, the upper end of the fixed cylinder 15 is screwed and fitted with the embedded cylinder 14 through a threaded structure, and the embedded part of the embedded cylinder 14 is in a cylindrical structure, the size of the outer side of the embedded part of the embedded cylinder 14 is matched with the size of the inner cavity of the fixed cylinder 15, and the inner cavity of the embedded cylinder 14 is fixedly connected with the two groups of main filter screens 16 at the lower end.

[0031] In the embodiment, as Figure 1 and Figure 4 The embedded cylinder 14 is provided, so that the main filter screen 16 can be conveniently assembled and disassembled, thereby facilitating the efficiency of the workers in cleaning and replacing, and the filter hole sizes of the two groups of main filter screens 16 are sequentially reduced from bottom to top, so that the filtering effect of the embedded cylinder 14 on the inert gas can be effectively enhanced, the probability of the copper powder accidentally separating from the device along with the inert gas can be reduced, and the waste rate of the copper powder can be reduced.

[0032] The copper powder drying device can uniformly heat and disturb the copper powder in the inner box 3, and can also quickly discharge the water vapor generated in the inner box 3, thereby improving the drying efficiency of the device, and also assisting in reducing the difficulty of subsequent cleaning of the device.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A copper powder drying apparatus comprising: The utility model provides an outer box (1), the upper end of outer box (1) outside surface is fixedly connected with the communication injection pipe (7), and the two ends of injection pipe and discharge pipe are communicated with the surface of outer box (1) and inner box (3) respectively, characterized by: the inside of outer box (1) is fixedly connected with inner box (3) through fixed plate (4), the inner side surface of outer box (1) is symmetrically connected with heating pipe (5), and the surface of fixed plate (4) is symmetrically connected with gas delivery pipe (2), and the lower surface of inner box (3) is fixedly connected with shunt ring (13), and the lower end of gas delivery pipe (2) is communicated with the inner chamber of shunt ring (13), and the upper surface of shunt ring (13) is symmetrically connected with check valve (12), check valve (12) is fixedly connected in the fixed hole of the lower surface of inner box (3) and is opened, and the two ends of fixed cylinder (15) are communicated with the upper surface of outer box (1) and inner box (3) respectively, and the upper end of fixed cylinder (15) is fixedly connected with fitting cylinder (14), the upper surface of fitting cylinder (14) is fixedly communicated with exhaust pipe (10), the inner chamber of fitting cylinder (14) is fixedly connected with main filter screen (16) at the lower end, and the upper surface of outer box (1) is fixedly connected with main motor (11), the output shaft of main motor (11) is connected with transmission shaft (6) through coupling, and transmission shaft (6) is movably connected in inner box (3) through sealed bearing, and the surface of transmission shaft (6) is fixedly connected with main stirring plate (9) and auxiliary stirring plate (8) respectively.

2. The copper powder drying apparatus according to claim 1, wherein The outer box (1) is hollow cylindrical structure, and the two groups of fixed plates (4) fixedly connected on the inner side surface of the outer box (1) are annular structure, and the inner cavity of the outer box (1) is divided into gas injection groove, heating groove and buffer groove from top to bottom by the inner box (3) and the fixed plates (4).

3. The copper powder drying apparatus of claim 1, wherein The heating groove of the inner cavity of the outer box (1) is annular structure, and a plurality of groups of heating pipes (5) are fixedly connected on the outer arc surface of the heating groove along the circumference at equal intervals, and the outer box (1) is made of heat insulation material, and the inner box (3) is made of heat conduction material.

4. The copper powder drying apparatus of claim 1, wherein The gas delivery pipe (2) is L-shaped structure, and the two ends of the main body of the gas delivery pipe (2) are fixedly connected with a group of fixed plates (4), and a plurality of groups of gas delivery pipes (2) are fixedly connected on the surface of the fixed plates (4) along the circumference at equal intervals, and the adjacent gas delivery pipe (2) and heating pipe (5) are distributed in staggered manner, and the gas injection groove of the outer box (1) is communicated with the inner chamber of the shunt ring (13) through the gas delivery pipe (2).

5. The copper powder drying apparatus of claim 1, wherein The shunt ring (13) is annular structure, the axial section of the shunt ring (13) is mouth-shaped structure, and a plurality of groups of check valves (12) are fixedly connected on the upper surface of the shunt ring (13) along the circumference at equal intervals, and the fixed holes are arranged on the lower surface of the inner box (3) corresponding to the positions of the check valves (12), and the auxiliary filter screen is fixedly connected on the upper end of the fixed hole, and the size of the fixed hole and the check valve (12) on the outer side surface is matched.

6. The copper powder drying apparatus of claim 1, wherein The inner box (3) is hollow cylindrical structure as a whole, the lower end of the inner box (3) is circular truncated cone structure, and the upper end of the transmission shaft (6) is movably connected with the top of the inner box (3) and the top of the outer box (1) through the sealing bearing respectively, and the middle part of the transmission shaft (6) is fixedly connected with three groups of main stirring plates (9) at equal intervals, and the lower end of the transmission shaft (6) is fixedly connected with the auxiliary stirring plate (8), and the main stirring plate (9) is dry structure, and the end of the main stirring plate (9) away from the transmission shaft (6) is attached to the inner side of the inner box (3), and the auxiliary stirring plate (8) is V-shaped structure, and the auxiliary stirring plate (8) is attached to the bottom of the inner box (3).

7. The copper powder drying apparatus of claim 1, wherein The fixed cylinder (15) is cylindrical structure, the upper end of the fixed cylinder (15) is screwed and fitted with the embedded cylinder (14) through the threaded structure, and the embedded part of the embedded cylinder (14) is cylindrical structure, the size of the outer side of the embedded part of the embedded cylinder (14) is matched with the size of the inner cavity of the fixed cylinder (15), and the inner cavity of the embedded cylinder (14) is fixedly connected with two groups of main filter screens (16) at the lower end.

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