Uniform stirring device for neodymium iron boron powder

Abstract

The utility model relates to a stirring device, in particular to a neodymium iron boron powder uniform stirring device. The neodymium iron boron powder uniform stirring device comprises a stirring barrel, a bottom plate is arranged on the lower side of the stirring barrel, a hinge block is fixed to one end of the bottom plate, and the hinge block is hinged to the outer side of the lower portion of the stirring barrel. Supports are fixed to the left side and the right side of the stirring barrel. A slope block is fixed to the lower side of the bottom plate, and a slope is arranged on the lower side of the slope block. A push rod is inserted into one support in a clearance fit mode and can slide left and right on the support, and the end of the push rod is pressed on the inclined face. A telescopic rod is fixed to one support, and the end of the telescopic rod is connected to the push rod through a bolt. The lower side of the mixing drum can be completely opened, so that the discharging speed is higher.

Description

Technical Field

[0001] This utility model relates to a stirring device, and more specifically, a device for uniformly stirring neodymium iron boron powder. Background Technology

[0002] In the production process of NdFeB permanent magnet materials, the uniform mixing of NdFeB powder is a crucial step, directly affecting the magnetic properties and quality stability of the final product. Currently, most commercially available NdFeB powder mixing devices employ a mixing drum structure, using rotating blades to mix the powder. However, existing mixing devices have a significant technical flaw: the lower side of the mixing drum cannot be fully opened, only a small discharge port is provided. During the discharge process, the limited size of the discharge port obstructs material flow, resulting in a slow discharge speed. Utility Model Content

[0003] To overcome the shortcomings of the existing technology, this utility model provides a uniform stirring device for neodymium iron boron powder. Its beneficial effect is that the lower side of the stirring cylinder can be fully opened, resulting in a faster discharge speed.

[0004] A uniform mixing device for neodymium iron boron powder includes a mixing drum, a bottom plate is provided on the lower side of the mixing drum, and a hinge block is fixed to one end of the bottom plate, the hinge block being hinged to the lower outer side of the mixing drum.

[0005] The stirring cylinder is fixed with supports on both the left and right sides.

[0006] An inclined block is fixed to the lower side of the base plate, and an inclined surface is provided on the lower side of the inclined block.

[0007] One of the brackets is fitted with a push rod with clearance, the push rod can slide left and right on the bracket, and the end of the push rod presses against the inclined surface.

[0008] One of the brackets is fixed with a telescopic rod, the end of which is bolted to a push rod.

[0009] The mixing drum is equipped with a mixing shaft, and multiple mixing rods are fixed on the mixing shaft from top to bottom.

[0010] A motor frame is fixed to the upper part of the stirring drum, and a motor is fixed on the motor frame. The output shaft of the motor is connected to the stirring shaft through a coupling.

[0011] Two protrusions are fixed to the front side of the stirring cylinder, and tension springs are welded to both ends of the sphere. The ends of the two tension springs are respectively fixed to the two protrusions.

[0012] The sphere has grooves on both its upper and lower sides.

[0013] The outer side of the sphere is covered with a rubber layer. Attached Figure Description

[0014] The present invention will now be described in further detail with reference to the accompanying drawings and specific implementation methods.

[0015] Figure 1 A schematic diagram of the structure of a neodymium iron boron powder uniform mixing device. Figure 1 ;

[0016] Figure 2 A schematic diagram of the structure of a neodymium iron boron powder uniform mixing device. Figure 2 ;

[0017] In the diagram: 1. Stirring drum; 2. Motor frame; 3. Motor; 4. Stirring shaft; 5. Stirring rod; 6. Groove; 7. Ball; 8. Tension spring; 9. Protrusion; 10. Telescopic rod; 11. Push rod; 12. Support; 13. Base plate; 14. Hinge block; 15. Inclined block. Detailed Implementation

[0018] like Figure 1-2 As shown;

[0019] The neodymium iron boron powder uniform mixing device includes a mixing drum 1, with a bottom plate 13 on its lower side. A hinge block 14 is fixed to one end of the bottom plate 13, and the hinge block 14 is hinged to the lower outer side of the mixing drum 1. The bottom plate 13 can rotate around the hinge block 14 as a fulcrum. When discharge is required, the bottom plate 13 can be fully opened, making the lower side of the mixing drum 1 open. Compared with traditional mixing devices, this greatly increases the discharge channel area. This improvement not only significantly increases the discharge speed and shortens the single discharge time, but also effectively avoids the accumulation and residue of powder at the bottom of the drum.

[0020] like Figure 1-2 As shown;

[0021] Because the mixing drum 1 is fixed with brackets 12 on both the left and right sides, the mixing drum 1 can be suspended and supported by the brackets 12. This suspended design provides ample space for the discharge operation at the bottom of the mixing drum 1.

[0022] like Figure 1-2 As shown;

[0023] Since the bottom plate 13 has an integrally formed inclined block 15 on the lower side, and the inclined block 15 has an inclined surface on the lower side, a push rod 11 is inserted into one of the brackets 12 with a clearance fit. The push rod 11 can slide left and right on the bracket 12, and the end of the push rod 11 presses on the inclined surface. The position of the end of the push rod 11 can be controlled by sliding the push rod 11 left and right on the bracket 12.

[0024] When it is necessary to open the lower side of the mixing drum 1 for material discharge, the operator pushes the push rod 11, causing it to slide on the bracket 12. The end of the push rod 11 leaves the inclined surface of the inclined block 15, thereby causing the bottom plate 13 to rotate downward due to gravity, thus realizing the rapid opening of the lower side of the mixing drum 1. Conversely, by sliding the push rod 11 in the opposite direction, the end of the push rod 11 presses against the inclined surface, and the bottom plate 13 is reset and closed, so that the push rod 11 is pressed tightly against the inclined surface. Then, the bottom plate 13 is pressed tightly against the lower side of the mixing drum 1, sealing the lower part of the mixing drum 1.

[0025] like Figure 1-2 As shown;

[0026] Since one of the brackets 12 is bolted to a telescopic rod 10, and the end of the telescopic rod 10 is bolted to a push rod 11, the telescopic rod 10 can drive the push rod 11 to slide left and right when it extends or retracts, thereby controlling the opening and closing of the base plate 13 through the push rod 11.

[0027] like Figure 1-2 As shown;

[0028] Because a stirring shaft 4 is installed inside the stirring drum 1, multiple stirring rods 5 are bolted to the stirring shaft 4 from top to bottom. A motor frame 2 is bolted to the upper part of the stirring drum 1, and a motor 3 is bolted to the motor frame 2. The output shaft of the motor 3 is connected to the stirring shaft 4 via a coupling. The motor 3 provides power to drive the stirring shaft 4 to rotate, thereby driving the stirring rods 5 to fully stir the powder inside the drum. The function of the motor frame 2 is to support the motor.

[0029] like Figure 1-2 As shown;

[0030] Because two protrusions 9 are welded to the front of the mixing drum 1, and tension springs 8 are welded to both ends of the ball 7, with the ends of the two tension springs 8 welded to the two protrusions 9 respectively, when the bottom plate 13 on the mixing drum 1 is opened, the ball 7 can be manually pulled to store force on the two tension springs 8, and then the ball 7 can be released. The ball 7 impacts the mixing drum 1, generating vibration. This vibration causes the powder adhering to the inner wall and corners of the mixing drum 1 to slide off smoothly. Compared to traditional mixing devices that rely solely on gravity for material discharge, this vibration discharge method can reduce material residue.

[0031] like Figure 1-2 As shown;

[0032] Since the ball 7 has grooves 6 on both the top and bottom sides, the friction between the hand and the ball 7 can be increased through the grooves 6. When the operator manually pulls the ball 7 to store force for the tension spring 8, the presence of the grooves 6 effectively prevents the hand from slipping.

[0033] like Figure 1-2 As shown;

[0034] Because the outer side of the sphere 7 is covered with a rubber layer, when the sphere 7 hits the mixing drum 1, the rubber layer reduces the impact noise compared to the sharp and ear-piercing noise produced by direct collision of metal materials, making the working environment quieter.

Claims

1. A uniform mixing device for NdFeB powder, comprising a mixing drum (1), characterized in that: A bottom plate (13) is provided on the lower side of the stirring cylinder (1), and a hinge block (14) is fixed at one end of the bottom plate (13). The hinge block (14) is hinged to the lower outer side of the stirring cylinder (1). The stirring cylinder (1) is fixed with brackets (12) on both the left and right sides. A ramp block (15) is fixed to the lower side of the base plate (13), and a ramp is provided on the lower side of the ramp block (15); One of the brackets (12) is fitted with a push rod (11) with a clearance fit. The push rod (11) can slide left and right on the bracket (12), and the end of the push rod (11) presses against the inclined surface.

2. The neodymium iron boron powder uniform mixing device according to claim 1, characterized in that: One of the brackets (12) is fixed with a telescopic rod (10), the end of which is bolted to a push rod (11).

3. The neodymium iron boron powder uniform mixing device according to claim 2, characterized in that: The stirring drum (1) is equipped with a stirring shaft (4), and multiple stirring rods (5) are fixed on the stirring shaft (4) from top to bottom.

4. The neodymium iron boron powder uniform mixing device according to claim 3, characterized in that: The upper part of the stirring drum (1) is fixed with a motor frame (2), and a motor (3) is fixed on the motor frame (2). The output shaft of the motor (3) is connected to the stirring shaft (4) through a coupling.

5. The neodymium iron boron powder uniform mixing device according to claim 4, characterized in that: Two protrusions (9) are fixed to the front side of the stirring cylinder (1), and tension springs (8) are welded to both ends of the ball (7). The ends of the two tension springs (8) are respectively fixed to the two protrusions (9).

6. The neodymium iron boron powder uniform mixing device according to claim 5, characterized in that: The sphere (7) has grooves (6) on both the upper and lower sides.

7. The neodymium iron boron powder uniform mixing device according to claim 6, characterized in that: The outer side of the sphere (7) is covered with a rubber layer.

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