Drying device for metal powder

Abstract

The utility model relates to the technical field of drying, in particular to a metal powder drying device which comprises a drying charging barrel and a device cover set, the device cover set covers the upper end of the drying charging barrel in a sealing mode, an air inlet pipe is fixedly installed on the lower left side of the drying charging barrel and externally connected with an air heating device, and a pressure relief valve set is fixedly installed on the upper right side of the drying charging barrel. A motor is fixedly installed at the upper end of the device cover set. When the metal powder drying device is used, warm airflow supplies heat to metal powder through the annular cavity and the inclined channel by the aid of the heating device connected into the air inlet pipe, steam in the metal powder is ensured to be evaporated, and the pressure relief valve group is opened for pressure relief to finish drying.

Description

TECHNICAL FIELD

[0001] The utility model relates to drying technical field especially relates to a drying device for metal powder. BACKGROUND

[0002] The drying device for metal products is a mechanical equipment that vaporizes and escapes moisture (such as water or other volatile liquid components) in metal products through heating, thereby obtaining metal products with a specified moisture content.

[0003] This device plays an important role in the production process of metal products. Since metal products may come into contact with moisture or other wet substances during manufacturing or processing, the presence of these wet substances may affect the quality and performance of metal products. Therefore, it is necessary to use a drying device for metal products to quickly and effectively remove these wet substances.

[0004] Common drying devices use dry laying combined with heating to evaporate water vapor, which requires prior flattening of the metal powder and manual assistance, resulting in a significant decrease in drying efficiency. In addition, since there is no good ventilation system, drying may not be complete in a completely dry and non-enclosed environment. SUMMARY

[0005] The present application provides a drying device for metal powder to solve the problems raised in the background.

[0006] To solve the above technical problems, the utility model provides a drying device for metal powder, which comprises a drying barrel and a device cover group, the device cover group is sealed and covered on the upper end of the drying barrel, an air inlet pipe is fixedly installed on the lower left side of the drying barrel, the air inlet pipe is connected with a warm air device, a pressure relief valve group is fixedly installed on the upper right side of the drying barrel, and a motor is fixedly installed on the upper end of the device cover group.

[0007] The drying barrel comprises a barrel body, a chute, an annular cavity and an inclined channel, a chute is formed in the middle of the upper end face of the barrel body, an annular cavity is formed in the middle of the annular wall of the barrel body, the air inlet pipe and the pressure relief valve group are in communication with the annular cavity, and a plurality of inclined channels are annularly formed in the side wall surface of the annular cavity close to the chute.

[0008] The device cover group includes a top cover, a fixed ring, a movable shaft, a sleeve plate, a special-shaped wheel, a triangular tooth block, a triangular clamping groove, a circular arc, a bottom ring, a limiting clamping groove, a main tooth, an auxiliary tooth, a sleeve ring, a limiting block, a stirring main rod, a long stirring blade, a stirring auxiliary rod, a spiral stirring blade, a spiral auxiliary stirring blade rod and a rotating disc, the motor is fixedly installed at the middle part of the upper end of the top cover through a plurality of bolts, the lower end of the top cover is fixedly installed with the fixed ring, a plurality of triangular clamping grooves are formed in the inner side of the ring of the fixed ring, the side surface of the fixed ring between every two triangular clamping grooves is provided with a circular arc corresponding to the special-shaped wheel, the middle part of the top cover is limitingly installed with the rotatable movable shaft, the movable shaft is limitingly sleeved with the rotatable sleeve rod, the end tail lower end of the sleeve rod is provided with the limiting block at intervals, the right end of the special-shaped wheel is fixedly installed with the triangular tooth block, the triangular tooth block is correspondingly arranged with the triangular clamping groove, the lower end of the fixed ring is fixedly installed with the bottom ring, the inner ring wall surface of the bottom ring is provided with the limiting clamping groove, the limiting clamping groove is provided with the movable rotating disc, the lower end surface of the main tooth of the movable shaft is fixedly installed with the stirring main rod, and the lower end surface of the auxiliary tooth of the special-shaped wheel is provided with the auxiliary tooth at intervals.

[0009] In a preferred embodiment, the inclination angle of the inclined channel with the horizontal plane is greater than 45 degrees.

[0010] In a preferred embodiment, the movable shaft is fixedly connected with the output shaft of the motor.

[0011] In a preferred embodiment, the limiting block and the sleeve rod are fixedly connected through a connecting rod, the connecting rod is sleeved with the special-shaped wheel, and the outer edge contour of the special-shaped wheel is correspondingly arranged with the circular arc.

[0012] In a preferred embodiment, the stirring main rod passes through the rotating disc, and a plurality of long stirring blades are fixedly installed on the stirring main rod at equal intervals.

[0013] In a preferred embodiment, the stirring auxiliary rod passes through the rotating disc, a plurality of spiral stirring blades are fixedly installed on the stirring auxiliary rod at equal intervals, and a plurality of spiral auxiliary stirring blade rods corresponding to the spiral stirring blades are arranged on the stirring auxiliary rod.

[0014] Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

[0015] 1. In use, this utility model only requires the main tooth to drive the long stirring blades on the stirring rod to stir, while the auxiliary tooth drives the spiral stirring blades and spiral auxiliary stirring blades on the stirring rod to stir the metal powder, thereby forming staggered stirring to ensure more thorough stirring of the metal powder. Furthermore, the irregular wheel at the upper end of the auxiliary tooth slides in accordance with the arc and the triangular tooth block engages with the triangular slot, and the sleeve rotates around the movable shaft, so that the stirring rod can rotate intermittently around the stirring rod, ensuring the tumbling of the metal powder. This replaces the traditional dry spreading, eliminates the pre-processing work before drying, and improves work efficiency.

[0016] 2. When this utility model is used, the heating device connected through the air inlet pipe heats the metal dust by passing the warm airflow through the annular cavity and inclined channel, ensuring that the water vapor in the metal powder is evaporated, and the pressure relief valve group is opened to release pressure and complete the drying. Attached Figure Description

[0017] Fig. 1 This is a structural diagram provided in this application;

[0018] Fig. 2 This is a schematic diagram of the structure of the drying cylinder provided in this application;

[0019] Fig. 3 This is a structural schematic diagram of the top cover provided in this application;

[0020] Fig. 4 This is a schematic diagram of the structure of the fixing ring provided in this application;

[0021] Fig. 5 This is a schematic diagram of the structure of the bottom ring provided in this application;

[0022] In the diagram: 1. Drying cylinder; 2. Device cover assembly; 3. Air inlet pipe; 4. Pressure relief valve assembly; 5. Motor;

[0023] 11. Barrel body; 12. Material trough; 13. Annular cavity; 14. Inclined channel;

[0024] 21. Top cover; 22. Fixed ring; 23. Movable shaft; 24. Sleeve plate; 25. Irregular wheel; 26. Triangular tooth block; 27. Triangular groove; 28. Arc; 29. ​​Bottom ring; 210. Limiting groove; 211. Main tooth; 212. Secondary tooth; 213. Collar ring; 214. Limiting block; 215. Main stirring rod; 216. Long stirring blade; 217. Secondary stirring rod; 218. Spiral stirring blade; 219. Spiral auxiliary stirring blade; 220. Turntable. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0026] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0027] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed", "equipped with", "sleeved / connected", "connected", etc., should be interpreted broadly. For example, "connection" can be a wall-mounted connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0028] Please see Figs. 1-4 In this embodiment, a drying device for metal powder is provided, including a drying cylinder 1 and a device cover assembly 2. The device cover assembly 2 is sealed and covered on the upper end of the drying cylinder 1. An air inlet pipe 3 is fixedly installed on the lower left side of the drying cylinder 1. An air heating device is connected to the air inlet pipe 3. A pressure relief valve assembly 4 is fixedly installed on the upper right side of the drying cylinder 1. A motor 5 is fixedly installed on the upper end of the device cover assembly 2.

[0029] The drying cylinder 1 includes a cylinder body 11, a material trough 12, an annular cavity 13, and inclined channels 14. The material trough 12 is opened in the middle of the upper end face of the cylinder body 11, and the annular cavity 13 is opened in the middle of the annular wall of the cylinder body 11. The air inlet pipe 3 and the pressure relief valve group 4 are both connected to the annular cavity 13. Several inclined channels 14 are opened in a ring shape on the side wall of the annular cavity 13 near the material trough 12. The inclination angle of the inclined channels 14 with the horizontal plane is greater than 45 degrees.

[0030] The device cover assembly 2 includes a top cover 21, a fixing ring 22, a movable shaft 23, a sleeve 24, a shaped wheel 25, a triangular tooth block 26, a triangular groove 27, an arc 28, a bottom ring 29, a limiting groove 210, a main tooth 211, a secondary tooth 212, a collar 213, a limiting block 214, a stirring main rod 215, a long stirring blade 216, a stirring secondary rod 217, a spiral stirring blade 218, a spiral auxiliary stirring blade rod 219, and a turntable 220. The motor 5 is fixedly installed on the upper middle part of the top cover 21 by several bolts, and a fixing ring 2 is fixedly installed on the lower end of the top cover 21. 2. The inner side of the fixed ring 22 is provided with several triangular slots 27. The side of the fixed ring 22 between every two triangular slots 27 is provided with an arc 28 corresponding to the irregular wheel 25. The top cover 21 is limited by a rotatable movable shaft 23. The movable shaft 23 is fixedly connected to the output shaft of the motor 5. The upper limit of the movable shaft 23 is provided with a rotatable sleeve 24. The lower end of the sleeve 24 is provided with limit blocks 214 at intervals. The limit blocks 214 and the sleeve 24 are fixedly connected by a connecting rod. The irregular wheel 25 is sleeved on the connecting rod. The outer circle contour of the irregular wheel 25 corresponds to the arc 28. Correspondingly, a triangular toothed block 26 is fixedly installed on the right end of the irregular wheel 25. The triangular toothed block 26 is correspondingly set with the triangular slot 27. A bottom ring 29 is fixedly installed on the lower end of the fixed ring 22. A limiting slot 210 is opened on the inner ring wall of the bottom ring 29. A movable turntable 220 is set in the limiting slot 210. A main tooth 211 is fixedly installed on the lower end of the movable shaft 23. A secondary tooth 212 is spaced apart on the lower end of the irregular wheel 25. The secondary tooth 212 meshes with the tooth pattern of the main tooth 211. A collar 213 is fixedly installed on the middle of the upper end face of the secondary tooth 212. The collar 213 is fixedly connected to the irregular wheel 25. Ring 213 is fitted with corresponding limit block 214. The main stirring rod 215 is fixedly installed in the middle of the lower end face of the main tooth 211. The main stirring rod 215 moves through the turntable 220. Several long stirring blades 216 are fixedly installed on the main stirring rod 215 at equal intervals. The secondary stirring rod 217 is fixedly installed in the middle of the lower end face of the secondary tooth 212. The secondary stirring rod 217 moves through the turntable 220. Several spiral stirring blades 218 are fixedly installed on the secondary stirring rod 217 at equal intervals. Several spiral auxiliary stirring blades 219 corresponding to the spiral stirring blades 218 are provided on the secondary stirring rod 217.

[0031] The working principle of this utility model is as follows:

[0032] In use, the device cover assembly 2 is removed from the material cylinder body 11, the metal powder to be dried is put into the feed trough 12, the device cover assembly 2 is closed, and then the motor 5 is started. The output shaft of the motor 5 drives the movable shaft 23 to rotate the main gear 211. The main gear 211 and the auxiliary gear 212 mesh, so that the main gear 211 drives the long stirring blades 216 on the stirring main rod 215 to stir, and the auxiliary gear 212 drives the spiral stirring blades 218 and spiral auxiliary stirring blades 219 on the stirring auxiliary rod 217 to stir the metal powder, thereby forming a staggered stirring. The mixing process ensures that the metal powder is thoroughly stirred. The shaped wheel 25 at the upper end of the auxiliary tooth 212 slides in correspondence with the arc 28, and the triangular tooth block 26 engages with the triangular slot 27. The sleeve 24 rotates around the movable shaft 23, allowing the stirring auxiliary rod 217 to rotate intermittently around the stirring main rod 215. Then, the heating device connected through the air inlet pipe 3 heats the metal dust through the annular cavity 13 and the inclined channel 14, ensuring that the water vapor in the metal powder is evaporated. The pressure relief valve group is then opened to release pressure, completing the drying process.

[0033] The above description is only a preferred embodiment of the present utility model, but the design concept of the present utility model is not limited thereto. Any non-substantial modifications made to the present utility model by those skilled in the art within the scope of the technology disclosed in the present utility model using this concept shall be deemed as an infringement of the protection scope of the present utility model.

Claims

1. A drying device for metal powder, comprising a drying cartridge (1) and a device cover set (2), characterized in that, The device cover group (2) is sealed and covered on the upper end of the drying cylinder (1), the lower left side of the drying cylinder (1) is fixedly installed with the air inlet pipe (3), the air inlet pipe (3) is connected with the air warming device, the upper right side of the drying cylinder (1) is fixedly installed with the pressure relief valve group (4), and the upper end of the device cover group (2) is fixedly installed with the motor (5). The drying cylinder (1) comprises a cylinder body (11), a chute (12), an annular cavity (13) and an inclined channel (14), the middle part of the upper end surface of the cylinder body (11) is provided with the chute (12), the middle part of the annular wall of the cylinder body (11) is provided with the annular cavity (13), the air inlet pipe (3) and the pressure relief valve group (4) are communicated with the annular cavity (13), and a plurality of inclined channels (14) are annularly arranged on the side wall of the annular cavity (13) close to the chute (12). The device cover group (2) comprises a top cover (21), a fixed ring (22), a movable shaft (23), a sleeve rod (24), a special-shaped wheel (25), a triangular tooth block (26), a triangular clamping groove (27), a circular arc (28), a bottom ring (29), a limiting clamping groove (210), a main tooth (211), a secondary tooth (212), a sleeve ring (213), a limiting block (214), a stirring main rod (215), a long stirring blade (216), a stirring secondary rod (217), a spiral stirring blade (218), a spiral auxiliary stirring blade rod (219) and a rotating disc (220), the motor (5) is fixedly installed on the middle part of the upper end of the top cover (21) through a plurality of bolts, the lower end of the top cover (21) is fixedly installed with the fixed ring (22), a plurality of triangular clamping grooves (27) are arranged on the inner side of the fixed ring (22), the side surface of the fixed ring (22) between every two triangular clamping grooves (27) is provided with a circular arc (28) corresponding to the special-shaped wheel (25), the middle part of the top cover (21) is fixedly installed with the movable shaft (23) which can rotate, the movable shaft (23) is fixedly installed with the sleeve rod (24) which can rotate, the end tail lower end of the sleeve rod (24) is provided with the limiting block (214) at intervals, the right end of the special-shaped wheel (25) is fixedly installed with the triangular tooth block (26), the triangular tooth block (26) is correspondingly arranged with the triangular clamping groove (27), the lower end of the fixed ring (22) is fixedly installed with the bottom ring (29), the inner annular wall surface of the bottom ring (29) is provided with the limiting clamping groove (210), the limiting clamping groove (210) is provided with the rotating disc (220) which can move, the lower end of the movable shaft (23) is fixedly installed with the main tooth (211), the lower end of the special-shaped wheel (25) is provided with the secondary tooth (212) at intervals, the secondary tooth (212) is meshed with the main tooth (211), the upper end surface middle part of the secondary tooth (212) is fixedly installed with the sleeve ring (213), the sleeve ring (213) is fixedly connected with the special-shaped wheel (25), the sleeve ring (213) is correspondingly sleeved with the limiting block (214), the lower end surface middle part of the main tooth (211) is fixedly installed with the stirring main rod (215), and the lower end surface middle part of the secondary tooth (212) is fixedly installed with the stirring secondary rod (217).

2. The drying apparatus for metal powder according to claim 1, characterized by The inclined angle between the inclined channel (14) and the horizontal plane is greater than 45 degrees.

3. The drying apparatus for metal powder according to claim 1, wherein The movable shaft (23) is fixedly connected with the output shaft of the motor (5).

4. The drying apparatus for metal powder according to claim 1, wherein The limiting block (214) is fixedly connected with the sleeve rod (24) through a connecting rod, the connecting rod is sleeved with a special-shaped wheel (25), and the outer edge contour of the special-shaped wheel (25) is correspondingly arranged with a circular arc (28).

5. The drying apparatus for metal powder according to claim 1, wherein The stirring main rod (215) movably penetrates through the rotating disc (220), and a plurality of long stirring blades (216) are fixedly installed on the stirring main rod (215) at equal intervals.

6. The drying apparatus for metal powder according to claim 1, wherein The stirring auxiliary rod (217) movably penetrates through the rotating disc (220), a plurality of spiral stirring blades (218) are fixedly installed on the stirring auxiliary rod (217) at equal intervals, and a plurality of spiral auxiliary stirring blade rods (219) corresponding to the spiral stirring blades (218) are arranged on the stirring auxiliary rod (217).

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