Uniform neodymium iron boron powder distributing and feeding device

Abstract

The utility model discloses a neodymium-iron-boron powder uniform distributing and feeding device which comprises a working die, a feeding device, a feeding device and a discharging device. The guide rail is arranged on the working die, and a through opening communicated with the cavity is formed in the guide rail; the feeding box is movably arranged on the guide rail, the feeding box is arranged below a pressing machine, neodymium iron boron powder particles in the pressing machine are put into the feeding box, at least one blanking hole is formed in the bottom of the feeding box, and when the feeding box passes through the cavity at a constant speed, the neodymium iron boron powder particles are fed into the feeding box. And the neodymium iron boron powder particles in the feeding box uniformly fall into the cavity. The powder distribution device is uniform in powder distribution and high in efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of neodymium iron boron manufacturing, in particular to a neodymium iron boron powder uniform powder distribution and feeding device. Background Art

[0002] At present, the basic process for preparing sintered neodymium iron boron permanent magnets is: batching → airflow milling → powder distribution → pressing → isostatic pressing → sintering → post-processing. The powder distribution process is an important process before pressing. The bulk density and uniformity of the magnetic powder after powder distribution will directly affect the overall density and performance of the green compact after pressing. In actual production, most of the process parameters of powder distribution are manually collected by on-site operators and then put into the cavity. They are obtained through the experience of the operators. Adjusting only through experience requires a lot of time and material resources, and the optimal process parameter combination cannot be obtained.

[0003] Therefore, it is necessary to optimize the preparation process of neodymium iron boron permanent magnets, improve the overall density and performance of the formed parts, and provide a basic support for the production of high-performance neodymium iron boron. Summary of the Utility Model

[0004] Aiming at the above problems of uneven powder distribution and low efficiency in the existing neodymium iron boron powder particle powder distribution by manual labor, the present invention aims to provide a neodymium iron boron powder uniform powder distribution and feeding device with uniform powder distribution and high efficiency.

[0005] The specific technical solutions are as follows:

[0006] A neodymium iron boron powder uniform powder distribution and feeding device, comprising:

[0007] A working die, which has a cavity on it;

[0008] A guide rail, which is arranged on the working die, and the guide rail has a through hole communicating with the cavity;

[0009] A feeding box, which is movably arranged on the guide rail, the feeding box is arranged below the press, the neodymium iron boron powder particles in the press are put into the feeding box, and the bottom of the feeding box has at least one blanking hole. When the feeding box passes through the cavity, the neodymium iron boron powder particles in the feeding box uniformly fall into the cavity.

[0010] For the above-mentioned neodymium iron boron powder uniform powder distribution and feeding device, wherein, the inner wall of the feeding box is arranged in a conical shape.

[0011] For the above-mentioned neodymium iron boron powder uniform powder distribution and feeding device, wherein, the guide rail is arranged along a first direction;

[0012] The guide rail has a slideway, the slideway is arranged along the first direction, and the bottom of the feeding box is slidably arranged in the slideway.

[0013] The above-mentioned neodymium iron boron powder uniform powder feeding device, wherein the feeding box includes a cone and a prism body connected in sequence from top to bottom, and the prism body slides in the slideway.

[0014] The above-mentioned neodymium iron boron powder uniform powder feeding device, wherein the bottom of the feeding box has a plurality of the blanking holes, the blanking holes are equidistantly distributed along the second direction, and the second direction is perpendicular to the first direction.

[0015] The above-mentioned neodymium iron boron powder uniform powder feeding device, wherein a handle is provided on the side wall of the feeding box.

[0016] The above-mentioned neodymium iron boron powder uniform powder feeding device, further comprising: a platform and a pushing component, and the pushing component is arranged on the platform.

[0017] The above-mentioned neodymium iron boron powder uniform powder feeding device, wherein the pushing component includes: a driving member, two synchronous wheels and a belt, the driving member is in transmission connection with one of the synchronous wheels, the belt is installed on the two synchronous wheels, and a clamping block is installed on the belt, and the clamping block is detachably connected to the handle.

[0018] The above-mentioned neodymium iron boron powder uniform powder feeding device, wherein the driving member is a motor; the clamping block and the handle are fixed by bolts.

[0019] The above-mentioned neodymium iron boron powder uniform powder feeding device, wherein a sensor is provided at the discharge port of the press, and when the sensor detects that the feeding box passes by, the neodymium iron boron powder particles in the press are put into the feeding box.

[0020] The positive effects of the above technical solution compared with the prior art are:

[0021] The utility model is provided with a feeding box, and the neodymium iron boron powder particles in the press are first put into the feeding box, and by moving the feeding box at a uniform speed, the neodymium iron boron powder particles in the feeding box fall into the mold cavity, and the powder distribution is uniform and the efficiency is high. Description of the Drawings

[0022] Figure 1 It is a schematic diagram of the overall structure of a neodymium iron boron powder uniform powder feeding device of the utility model;

[0023] Figure 2 It is a schematic diagram of the driving process structure of a neodymium iron boron powder uniform powder feeding device of the utility model;

[0024] Figure 3 It is a schematic diagram of the structure of the belt and synchronous wheel of a neodymium iron boron powder uniform powder feeding device of the utility model;

[0025] Figure 4 Schematic structural diagram of the feeding box of a neodymium iron boron powder uniform powder feeding device of the present utility model;

[0026] In the attached drawings: 1, working die; 2, guide rail; 3, feeding box; 4, cavity; 5, press; 6, blanking hole; 7, slideway; 8, handle; 9, through port; 10, pushing assembly; 11, cone; 12, prism; 13, driving part; 14, synchronous pulley; 15, belt; 16, clamping block; 17, sensor. Specific embodiments

[0027] The present utility model will be further described below in conjunction with the attached drawings and specific embodiments, but it is not a limitation of the present utility model.

[0028] As shown in Figures 1 to 4 A neodymium iron boron powder uniform powder feeding device of a preferred embodiment is shown, including: a working die 1, a guide rail 2 and a feeding box 3. The working die 1 has a cavity 4. The guide rail 2 is arranged on the working die 1. The guide rail 2 has a through port 9 communicating with the cavity 4. The feeding box 3 is movably arranged on the guide rail 2. The feeding box 3 is arranged below the press 5. The neodymium iron boron powder particles in the press 5 are put into the feeding box 3. The bottom of the feeding box 3 has at least one blanking hole 6. When the feeding box 3 passes by the cavity 4 at a constant speed, the neodymium iron boron powder particles in the feeding box 3 uniformly fall into the cavity 4.

[0029] Further, as a preferred embodiment, the inner wall of the feeding box 3 is conically arranged. To prevent the neodymium iron boron powder particles from accumulating on the side wall.

[0030] Further, as a preferred embodiment, the guide rail 2 is arranged along the first direction.

[0031] Further, as a preferred embodiment, the guide rail 2 has a slideway 7. The slideway 7 is arranged along the first direction. The bottom of the feeding box 3 is slidably arranged in the slideway 7.

[0032] The above are only preferred embodiments of the present utility model, and do not limit the implementation manners and protection scope of the present utility model.

[0033] The present utility model also has the following implementation manners on the above basis:

[0034] In a further embodiment of the present utility model, please continue to refer to Figures 1 to 4 As shown, the feeding box 3 includes a cone 11 and a prism 12 connected in sequence from top to bottom. The prism 12 slides in the slideway 7. The width of the prism 12 is equal to the width of the slideway 7, which can prevent the feeding box 3 from shaking when moving.

[0035] Preferably, the prism 12 is a quadrangular prism.

[0036] Preferably, the bottom of the feeding box 3 has a blanking hole 6, the blanking hole 6 is rectangularly arranged, the length direction of the rectangle is the second direction, the second direction is perpendicular to the first direction, and the length of the rectangle is slightly smaller than the width of the slideway 7.

[0037] Preferably, the bottom of the feeding box 3 has a plurality of blanking holes 6, and the blanking holes are equally spaced along the second direction, and the second direction is perpendicular to the first direction.

[0038] In a further embodiment of the present invention, a handle 8 is provided on the side wall of the feeding box 3.

[0039] In a further embodiment of the present invention, it further includes: a platform and a pushing component 10, and the pushing component 10 is arranged on the platform.

[0040] In a further embodiment of the present invention, the pushing component 10 includes: a driving member 13, two synchronous pulleys 14 and a belt 15. The driving member 13 is in transmission connection with one synchronous pulley 14, the belt 15 is installed on the two synchronous pulleys 14, a clamping block 16 is installed on the belt 15, the clamping block 16 is detachably connected to the handle 8, and the clamping block 16 moves along the first direction and its reverse direction.

[0041] In a further embodiment of the present invention, the driving member 13 is a motor.

[0042] In a further embodiment of the present invention, the clamping block 16 and the handle 8 are fixed by bolts.

[0043] In another embodiment, the pushing component 10 is a worm and worm gear structure, and the driving member drives the worm and worm gear structure to drive the clamping block 16 to move along the first direction.

[0044] In a further embodiment of the present invention, a sensor 17 is provided at the discharge port of the press 5. When the sensor 17 detects that the feeding box 3 passes by, the neodymium iron boron powder particles in the press 5 are put into the feeding box 3.

[0045] The present invention is provided with a feeding box. The neodymium iron boron powder particles in the press 5 are first put into the feeding box 3, and by moving the feeding box 3 at a uniform speed, the neodymium iron boron powder particles in the feeding box 3 fall into the cavity 4, with uniform powder distribution and high efficiency.

[0046] The above are only the preferred embodiments of the present invention, and do not limit the implementation manners and protection scope of the present invention. For those skilled in the art, it should be able to realize that all the equivalent replacements and obvious changes made by using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A neodymium iron boron powder uniform powder feeding device, characterized in that, Comprising: A working die, on which a cavity is provided; A guide rail, which is arranged on the working die, and a through port communicating with the cavity is provided on the guide rail; A feeding box, which is movably arranged on the guide rail, is arranged below the press, neodymium iron boron powder particles in the press are put into the feeding box, at least one blanking hole is provided at the bottom of the feeding box, and when the feeding box passes by the cavity at a uniform speed, the neodymium iron boron powder particles in the feeding box uniformly fall into the cavity.

2. The neodymium iron boron powder uniform powder feeding device according to claim 1, characterized in that, The inner wall of the feeding box is arranged in a conical shape.

3. The neodymium iron boron powder uniform powder feeding device according to claim 1, wherein, The guide rail is arranged along a first direction; A slideway is provided on the guide rail, the slideway is arranged along the first direction, and the bottom of the feeding box is slidably arranged in the slideway.

4. The neodymium iron boron powder uniform powder feeding device according to claim 3, characterized in that, The feeding box includes a conical body and a prism body which are sequentially connected up and down, and the prism body slides in the slideway.

5. The neodymium iron boron powder uniform powder feeding device according to claim 3, wherein A plurality of the blanking holes are provided at the bottom of the feeding box, and the blanking holes are equidistantly distributed along a second direction, and the second direction is perpendicular to the first direction.

6. The neodymium iron boron powder uniform powder feeding device according to claim 1, characterized in that A handle is provided on the side wall of the feeding box.

7. The neodymium iron boron powder uniform powder feeding device according to claim 6, characterized in that, Further comprising: A platform and a pushing assembly, and the pushing assembly is arranged on the platform.

8. The neodymium iron boron powder uniform powder feeding device according to claim 7, characterized in that, The pushing assembly includes: a driving member, two synchronous wheels and a belt, the driving member is in transmission connection with one of the synchronous wheels, the belt is installed on the two synchronous wheels, a clamping block is installed on the belt, and the clamping block is detachably connected with the handle.

9. The neodymium iron boron powder uniform powder feeding device according to claim 8, characterized in that, The driving member is a motor; the clamping block and the handle are fixed by bolts.

10. The neodymium iron boron powder uniform powder feeding device according to claim 1, characterized in that, A sensor is provided at the discharge port of the press, and when the sensor detects that the feeding box passes by, the neodymium iron boron powder particles in the press are put into the feeding box.

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