CN216964296U

CN216964296U - Powder mixing device

Info

Publication number: CN216964296U
Application number: CN202220500978.4U
Authority: CN
Inventors: 孙珂杨
Original assignee: Ningbo Keyang Precious Metal Alloy Technology Co ltd
Current assignee: Ningbo Keyang Precious Metal Alloy Technology Co ltd
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-07-15
Anticipated expiration: 2032-03-09

Abstract

The utility model discloses a powder mixing apparatus. The powder mixing equipment comprises a mixing barrel, a stirring assembly arranged on the mixing barrel, a grinding sieve plate fixedly arranged on the inner wall of the mixing barrel, and a grinding assembly transversely and fixedly arranged on the lower surface of the grinding sieve plate. The stirring assembly comprises a stirring motor fixedly arranged at the bottom of the mixing drum, a stirring shaft fixedly arranged at the output end of the stirring motor and extending to the inside of the mixing drum, and a plurality of stirring rods symmetrically and fixedly arranged on the stirring shaft. The grinding assembly comprises a driving box, a large belt pulley, two small belt pulleys, two transmission shafts and two grinding rods. The powder mixing equipment can fully refine the powder when mixing and stirring the neodymium iron boron magnet material, thereby avoiding the influence on the mixing and preparation effect and the preparation efficiency caused by the difference of the particle sizes of the powder.

Description

Powder mixing device

Technical Field

The utility model relates to a neodymium iron boron magnetism iron machining field especially relates to powder mixing equipment.

Background

The neodymium iron boron magnet material is a member of a large family of magnetic materials. The Nd-Fe-B magnet is a magnet with the best performance-price ratio so far, is widely used in core components such as magnetic heads of printers, hard drives of computers, optical drives, floppy drives, motor cores and the like, and is a basic material in electromechanical industry and information industry. In the production of neodymium iron boron magnet materials, powder mixing equipment is often used for stirring and mixing various kinds of powder. The application is wide.

Powder mixing equipment among the prior art, when mixing the stirring to preparation neodymium iron boron magnet material, because of the not enough difference of powder particle size that exists of handling that the powder refines, and then can influence the effect and the preparation efficiency of mixing preparation.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a powder mixing device for solving the problem that when the existing powder mixing device is used for mixing and stirring the neodymium iron boron magnet material, the difference of the sizes of the powder particles exists due to insufficient treatment of powder refinement, and further the effect of mixing and preparation and the preparation efficiency are affected.

The powder mixing device comprises a mixing cylinder,

the powder mixing apparatus further comprises:

a mixing assembly mounted on the mixing drum; the stirring assembly comprises a stirring motor fixedly arranged at the bottom of the mixing cylinder, a stirring shaft fixedly arranged at the output end of the stirring motor and extending into the mixing cylinder, and a plurality of stirring rods symmetrically and fixedly arranged on the stirring shaft;

the grinding sieve plate is fixedly arranged on the inner wall of the mixing cylinder; and

the grinding assembly is transversely and fixedly arranged on the lower surface of the grinding sieve plate and comprises a driving box, a large belt pulley, two small belt pulleys, a transmission shaft and a grinding rod, wherein the large belt pulley is arranged in the driving box and fixedly arranged at the top end of the stirring shaft;

the top end of the stirring shaft extends to the inside of the driving box.

Above-mentioned powder mixing apparatus when mixing the stirring to preparation neodymium iron boron magnetism iron material, can make the processing that the powder refines more abundant, so avoided because of there is the difference of particle size in the powder and can influence effect and the preparation efficiency of mixing preparation.

In one embodiment, a feed hopper is mounted through the top end of the mixing drum.

In one embodiment, a discharge pipe is arranged at one side position of the bottom end of the mixing cylinder in a penetrating way; and a discharge valve is arranged on the discharge pipe.

Further, a support frame is installed at the bottom end of the mixing cylinder.

In one embodiment, the lengths of the stirring rods are arranged in a longitudinal array and gradually decreased.

In one embodiment, the large belt pulley is of a double-layer pulley structure.

In one embodiment, when the stirring shaft rotates axially, the large pulley rotates synchronously, and at the same time, the grinding rod performs a rotary grinding action based on the upper surface of the grinding sieve plate.

Compared with the prior art, this practical beneficial effect is:

the utility model has the advantages that the grinding component is arranged, so that the powder for preparing the neodymium iron boron magnet material can be fully ground; when the stirring component mixes and stirs various powders in the mixing cylinder, under the axial driving force provided by the stirring shaft for the grinding component, the two small belt pulleys are pulled by the belt of the large belt pulley to synchronously rotate, so that the axial rotating force generated by the two small belt pulleys can act on the grinding rod, and the grinding rod can fully grind the powders added on the grinding sieve plate, thereby achieving the uniform effect of mixing powder particles;

furthermore, the driving force provided by the stirring motor acts on two processes of stirring and grinding synchronously, wherein the input running cost of the grinding assembly is obviously controlled, so that the powder mixing equipment achieves the effect of low-cost operation, and is practical.

In conclusion, the powder mixing equipment can fully refine the powder when mixing and stirring the neodymium iron boron magnet material, so that the influence on the mixing and preparation effect and the preparation efficiency due to the difference of particle sizes of the powder is avoided.

Drawings

Fig. 1 is a schematic structural view of the powder mixing apparatus of the present invention.

Fig. 2 shows a side view of fig. 1.

Fig. 3 is an enlarged perspective plan view of the mixing drum of fig. 1.

Fig. 4 is an enlarged view of a portion a of fig. 3.

Description of the main elements

In the figure: 1. a mixing drum; 2. a stirring assembly; 21. a stirring motor; 22. a stirring shaft; 23. a stirring rod; 3. grinding the sieve plate; 4. a grinding assembly; 41. a drive cartridge; 42. a large belt pulley; 43. a small belt pulley; 44. a drive shaft; 45. a grinding rod; 5. a feed hopper; 6. a discharge pipe.

The present invention is further described in detail with reference to the drawings and the detailed description.

Detailed Description

Referring to fig. 1-4, the present embodiment provides a powder mixing apparatus, which includes a mixing barrel 1;

the powder mixing river equipment also comprises a stirring component 2 arranged on the mixing cylinder 1, a grinding sieve plate 3 fixedly arranged on the inner wall of the mixing cylinder 1 and a grinding component 4 transversely and fixedly arranged on the lower surface of the grinding sieve plate 3.

Wherein, stirring subassembly 2 includes stirring motor 21 of fixed mounting in the mixing drum 1 bottom, fixed mounting at stirring motor 21 output and extend to the inside (mixing) shaft 22 of mixing drum 1 and symmetry fixed mounting a plurality of puddlers 23 on (mixing) shaft 22.

The lengths of the stirring rods 23 are arranged in a longitudinal array in a descending manner. The length of the stirring rod 23 is set to provide uniformity of stirring of the powder in the mixing drum 1.

In this embodiment, the stirring motor 21 is controlled to operate, so that it can transmit axial torque to the stirring shaft 22, so that the stirring shaft 22 can synchronously drive the stirring rods 23 to axially rotate, and the stirring rods 23 can sufficiently stir and mix the powder stored in the mixing cylinder 1.

Wherein, grinding component 4 can fully grind the powder of preparation neodymium iron boron magnetism iron material fully. The grinding assembly 4 comprises a driving box 41, a large belt pulley 42 which is arranged in the driving box 41 and is fixedly arranged at the top end of the stirring shaft 22, two small belt pulleys 43 which are connected with two sides of the large belt pulley 42 in a belt transmission way and are positioned in the driving box 41, a transmission shaft 44 which is fixedly arranged at the axle center of each small belt pulley 43 and is rotatably extended to the upper surface of the grinding sieve plate 3, and a grinding rod 45 which is fixedly arranged at the top end of the transmission shaft 44 and faces the upper surface of the grinding sieve plate 3; the top end of the stirring shaft 22 extends to the inside of the drive case 41.

The large pulley 42 is provided in a double-pulley structure. The large belt pulley 42 with the double-layer pulley structure can conveniently and synchronously drive the two small belt pulleys 43 to perform traction movement.

When the stirring shaft 22 rotates axially, the large pulley 42 rotates synchronously, and at the same time, the grinding rod 45 performs a rotational grinding action based on the upper surface of the grinding sieve plate 3. The driving force provided by the stirring motor 21 acts on the two processes of stirring and grinding synchronously, wherein the input operation cost of the grinding assembly 4 is controlled obviously, so that the powder mixing equipment achieves the effect of low-cost operation.

In this example, when stirring subassembly 2 mixes the stirring to various powders in the mixing drum 1, utilize (mixing) shaft 22 to provide under the axial drive power of grinding subassembly 4, (mixing) shaft 22 can drive big belt pulley 42 in step and carry out axial rotation, then two belt pulleys 43 of big belt pulley 42 accessible belt tractive carry out synchronous rotation, so that the axial revolving force that produces to two belt pulleys 43 can be acted on grinding rod 45, then grinding rod 45 can carry out the intensive grinding to the powder that adds on grinding sieve plate 3, the up-to-standard powder accessible grinding sieve plate 3 of abrasive particle drops to grinding sieve plate 3 below in the mixing drum 1, so that stirring subassembly 2 can carry out even stirring to the powder and mix.

Further, a feed hopper 5 is installed through the top end of the mixing cylinder 1, and the feed hopper 5 can provide a passage for powder to enter the mixing cylinder 1.

A discharge pipe 6 penetrates through one side of the bottom end of the mixing cylinder 1; the discharge pipe 6 is provided with a discharge valve. The preparation material stored in the mixing cylinder 1 after being stirred and mixed can be discharged at the lower position through the matching of the discharge pipe 6 and the discharge valve.

The bottom end of the mixing cylinder 1 is provided with a supporting frame. The support frame can provide support for the processing position of the mixing drum 1.

In conclusion, the powder mixing equipment of this embodiment, when mixing the stirring to preparation neodymium iron boron magnet material, can make the processing that the powder refines more abundant, so avoided because of there is the difference of particle size in the powder and can influence effect and the preparation efficiency of mixing preparation.

Claims

1. Powder mixing apparatus, including mixing drum (1), characterized in that, powder mixing apparatus still includes: a stirring assembly (2) mounted on the mixing drum (1); the stirring assembly (2) comprises a stirring motor (21) fixedly mounted at the bottom of the mixing drum (1), a stirring shaft (22) fixedly mounted at the output end of the stirring motor (21) and extending into the mixing drum (1), and a plurality of stirring rods (23) symmetrically and fixedly mounted on the stirring shaft (22); the grinding sieve plate (3) is fixedly arranged on the inner wall of the mixing cylinder (1); the grinding assembly (4) is transversely and fixedly installed on the lower surface of the grinding sieve plate (3), and comprises a driving box (41), a large belt pulley (42) which is arranged in the driving box (41) and fixedly installed at the top end of the stirring shaft (22), two small belt pulleys (43) which are connected to two sides of the large belt pulley (42) in a belt transmission manner and are located in the driving box (41), a transmission shaft (44) which is fixedly installed on the axis of each small belt pulley (43) and rotatably extends to the upper surface of the grinding sieve plate (3), and a grinding rod (45) which is fixedly installed at the top end of the transmission shaft (44) and faces to the upper surface of the grinding sieve plate (3); the top end of the stirring shaft (22) extends to the interior of the driving box (41).

2. Powder mixing apparatus according to claim 1, wherein the top end of the mixing drum (1) has a feed hopper (5) mounted through it.

3. The powder mixing apparatus according to claim 1, wherein a discharge pipe (6) is installed through one side position of the bottom end of the mixing drum (1); and a discharge valve is arranged on the discharge pipe (6).

4. Powder mixing apparatus according to claim 1, wherein a support bracket is mounted to the bottom end of the mixing barrel (1).

5. Powder mixing apparatus according to claim 1, wherein the mixing rods (23) are arranged with decreasing length in a longitudinal array.

6. Powder mixing apparatus according to claim 1, wherein the large pulley (42) is provided in a double pulley configuration.

7. The powder mixing apparatus according to claim 1, wherein when the agitating shaft (22) is axially rotated, the large pulley (42) is synchronously rotated, and at the same time, the grinding rod (45) performs a rotary grinding action based on the upper surface of the grinding sieve plate (3).