A device for producing an oxide coating for sintered neodymium-iron-boron magnets

Abstract

The utility model relates to the neodymium iron boron magnet processing technical field, concretely is a kind of oxidation coating device for producing and processing neodymium iron boron magnet, including box, the top and bottom of box inner chamber are separately provided with material conveying pipe and support plate, the bottom of material conveying pipe is connected with several spray heads, the both ends of material conveying pipe are all penetrated to the outside of box, the bottom of box is provided with adjusting mechanism, the top of box is provided with drying mechanism, by setting adjusting mechanism, not only can drive support plate and workpiece to rotate, increase spraying range, simultaneously still can drive material conveying pipe and spray head to carry out angle reciprocating adjustment, so it can further increase spraying range, ensure that material surface can be evenly sprayed, improve processing efficiency, by setting drying mechanism, gas can be heated, and heated gas is delivered to box, can speed up the drying speed of workpiece surface coating, further improve the processing efficiency of workpiece.

Description

Technical Field

[0001] This utility model relates to the field of neodymium iron boron magnet processing technology, specifically to an oxide coating device for producing and processing neodymium iron boron magnets. Background Technology

[0002] Neodymium iron boron (NdFeB) magnets are intermetallic compounds composed of rare earth element Nd, iron, and boron. Nd is mainly neodymium or a combination of neodymium and other rare earth elements. Sometimes, elements such as cobalt, aluminum, and vanadium are used to replace part of the iron. With the development of industries such as computers and communications, the rare earth permanent magnet industry, especially NdFeB permanent magnets, has developed rapidly. In the process of processing NdFeB magnets, in order to improve the oxidation resistance of NdFeB magnets, a coating device is used to spray anti-oxidation materials onto the surface of the NdFeB magnets.

[0003] Existing equipment for producing and processing NdFeB magnets using anodized coating often suffers from poor efficiency. Firstly, the spraying range is not adjustable, allowing spraying only on a fixed area. This, coupled with the fact that the equipment only works on the workpiece, easily leads to uneven spraying and requires a long time to complete the process, resulting in low processing efficiency. Secondly, it lacks a function for rapid drying of the coated material. Relying on natural drying or transferring the material to other equipment for drying also reduces the processing efficiency of NdFeB magnets, making it unsuitable for use.

[0004] To address this, an apparatus for producing and processing oxide coatings for neodymium iron boron magnets is proposed. Utility Model Content

[0005] The purpose of this invention is to provide an oxide coating device for producing and processing NdFeB magnets, which solves the problem of low processing efficiency in existing oxide coating devices for producing and processing NdFeB magnets.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] An apparatus for producing an oxide coating for neodymium iron boron magnets includes a housing. A feeding pipe and a support plate are respectively installed at the top and bottom of the housing's inner cavity. Several nozzles are connected to the bottom of the feeding pipe, and both ends of the feeding pipe extend to the outside of the housing. An adjustment mechanism is installed at the bottom of the housing, and a drying mechanism is installed at the top. The adjustment mechanism includes a mounting frame and two adjustment frames, which are respectively fitted onto both sides of the surface of the feeding pipe. The top of the mounting frame is fixedly connected to the housing. A motor is fixedly connected to the bottom of the inner cavity of the mounting frame, and a rotating rod is fixedly connected to the output end of the top of the motor. The motor extends through the housing and is fixedly connected to the support plate. The output end of the motor extends through to the bottom of the mounting frame and is fixedly connected to a rotating frame. A rotating block is fixedly connected to the right side of the bottom of the rotating frame. A movable shell is fitted onto the surface of the rotating block. Slide rods are provided on both sides of the movable shell. Fixed frames are fixedly connected to both ends of the slide rods. The top of the fixed frames is fixedly connected to the housing. Sliding sleeves are fitted onto the surface of the slide rods. Two sliding sleeves are fixedly connected to both sides of the movable shell. A movable toothed plate is fixedly connected to the top of the sliding sleeves. An adjusting toothed plate meshes with the top of the movable toothed plate. The top of the adjusting toothed plate is fixedly connected to an adjusting frame.

[0008] Preferably, the drying mechanism includes a heating box, the bottom of which is fixedly connected to the top of the housing, a fan connected to the front of the heating box, a heating tube fixedly connected to the inner wall of the heating box, an air supply pipe connected to the rear of the heating box, and several air outlet pipes connected to the front of the air supply pipe, the front of which is connected to the housing.

[0009] Preferably, the number of heating tubes is three, and mounting blocks are fixedly connected to both sides of the gas supply pipe, with the front side of the mounting blocks fixedly connected to the housing.

[0010] Preferably, the surface of the rotating rod is movably connected to the housing via a first bearing, and the surface of the rotating block is slidably connected to the inner wall of the movable shell.

[0011] Preferably, the surface of the conveying pipe is movably connected to the housing via a second bearing, and one end of the conveying pipe is connected to an external pipeline.

[0012] Preferably, a positioning frame is fitted onto the surface of the adjustment frame, and the surface of the positioning frame is fixedly connected to the housing.

[0013] Preferably, both sides of the front surface of the box are movably connected to a box door via hinges, and a handle is fixedly connected to the front side of the box door, and a bracket is fixedly connected to the bottom of the box.

[0014] Preferably, a rotating frame is fixedly connected to both sides of the support plate, a handwheel is provided on one side of the rotating frame, a screw is fixedly connected to one side of the handwheel, and one end of the screw passes through to the outside of the rotating frame and is fixedly connected to a clamping plate.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] 1. This utility model, by setting an adjustment mechanism, can not only drive the support plate and workpiece to rotate, increasing the spraying range, but also drive the feed pipe and nozzle to reciprocate the angle adjustment, thereby further increasing the spraying range, ensuring that the material surface can be sprayed evenly, and improving processing efficiency. By setting a drying mechanism, the gas can be heated and the heated gas can be transported to the chamber, which can accelerate the drying speed of the coating on the workpiece surface, further improving the processing efficiency of the workpiece.

[0017] 2. This utility model improves the stability of the adjustment frame by setting a positioning frame, facilitates user access to the box door by setting a handle, facilitates user rotation of the screw by setting a handwheel, can be used to clamp the workpiece by setting a clamping plate, facilitates the rotation of the rotating rod by setting a first bearing, facilitates the rotation of the conveying pipe by setting a second bearing, can drive external gas into the heating box by setting a fan, can be used to heat the gas by setting a heating tube, can be used to transport the gas into the box by setting an exhaust pipe, and can be used to fix the gas delivery pipe by setting a mounting block. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model;

[0019] Figure 2 This is a left view of the housing of this utility model;

[0020] Figure 3 This is a three-dimensional structural diagram of the mounting bracket and movable shell of this utility model;

[0021] Figure 4 This is a three-dimensional structural cross-sectional view of the drying mechanism of this utility model.

[0022] In the diagram: 1. Box body; 2. Feed pipe; 3. Support plate; 4. Nozzle; 5. Adjustment mechanism; 501. Mounting frame; 502. Adjustment frame; 503. Motor; 504. Rotating rod; 505. Rotating frame; 506. Rotating block; 507. Moving shell; 508. Slide rod; 509. Fixed frame; 510. Sliding sleeve; 511. Moving toothed plate; 512. Adjusting toothed plate; 513. Positioning frame; 6. Drying mechanism; 601. Heating box; 602. Fan; 603. Heating tube; 604. Air supply pipe; 605. Air outlet pipe; 606. Mounting block; 7. Rotating frame; 8. Handwheel; 9. Screw; 10. Clamping plate; 11. Bracket. Detailed Implementation

[0023] 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. However, the embodiments described below are only some embodiments of the present utility model, and not all of them. If other embodiments are obtained by those skilled in the art without creative effort, they shall fall within the protection scope of the present utility model.

[0024] Reference Figures 1-4 An apparatus for producing an oxide coating for neodymium iron boron magnets includes a housing 1. A feeding pipe 2 and a support plate 3 are respectively installed at the top and bottom of the inner cavity of the housing 1. Several nozzles 4 are connected to the bottom of the feeding pipe 2, and both ends of the feeding pipe 2 extend to the outside of the housing 1. An adjustment mechanism 5 is installed at the bottom of the housing 1, and a drying mechanism 6 is installed at the top of the housing 1. The adjustment mechanism 5 includes a mounting frame 501 and two adjustment frames 502, which are respectively fitted onto both sides of the surface of the feeding pipe 2. The top of the mounting frame 501 is fixedly connected to the housing 1. A motor 503 is fixedly connected to the bottom of the inner cavity of the mounting frame 501. A rotating rod 504 is fixedly connected to the output end of the top of the motor 503. The top of the rotating rod 504 extends through the housing 1 and connects to the support plate 3. The motor 503 is fixedly connected to the bottom of the mounting bracket 501, and a rotating bracket 505 is fixedly connected to it. A rotating block 506 is fixedly connected to the right side of the bottom of the rotating bracket 505. A movable shell 507 is fitted on the surface of the rotating block 506. A sliding rod 508 is provided on both sides of the movable shell 507. A fixed bracket 509 is fixedly connected to both ends of the sliding rod 508. The top of the fixed bracket 509 is fixedly connected to the housing 1. A sliding sleeve 510 is fitted on the surface of the sliding rod 508. The two sides of the movable shell 507 are fixedly connected to the two sliding sleeves 510 respectively. A movable toothed plate 511 is fixedly connected to the top of the sliding sleeve 510. An adjusting toothed plate 512 is engaged with the top of the movable toothed plate 511. The top of the adjusting toothed plate 512 is fixedly connected to the adjusting bracket 502.

[0025] As one embodiment of this utility model, refer to Figures 1-4The drying mechanism 6 includes a heating box 601, the bottom of which is fixedly connected to the top of the housing 1. A fan 602 is connected to the front of the heating box 601. A heating tube 603 is fixedly connected to the inner wall of the heating box 601. A gas supply pipe 604 is connected to the rear of the heating box 601. Several gas outlet pipes 605 are connected to the front of the gas supply pipe 604. The front of the gas outlet pipes 605 is connected to the housing 1. There are three heating tubes 603. Mounting blocks 606 are fixedly connected to both sides of the gas supply pipe 604. The front of the mounting blocks 606 is fixedly connected to the housing 1. By setting the fan 602, external gas can be driven into the heating box 601. By setting the heating tubes 603, the gas can be heated. By setting the gas outlet pipes 605, the gas can be transported to the housing 1. By setting the mounting blocks 606, the gas supply pipes 604 can be fixed.

[0026] As one embodiment of this utility model, refer to Figures 1-4 The surface of the rotating rod 504 is movably connected to the housing 1 through the first bearing, the surface of the rotating block 506 is slidably connected to the inner wall of the movable shell 507, the surface of the conveying pipe 2 is movably connected to the housing 1 through the second bearing, and one end of the conveying pipe 2 is connected to an external pipe. By setting the first bearing, the rotation of the rotating rod 504 can be facilitated, and by setting the second bearing, the rotation of the conveying pipe 2 can be facilitated.

[0027] As one embodiment of this utility model, refer to Figures 1-4 A positioning frame 513 is fitted onto the surface of the adjusting frame 502. The surface of the positioning frame 513 is fixedly connected to the housing 1. Both sides of the front surface of the housing 1 are movably connected to the housing door via hinges, and a handle is fixedly connected to the front side of the housing door. A bracket 11 is fixedly connected to the bottom of the housing 1. Rotating frames 7 are fixedly connected to both sides of the support plate 3. A handwheel 8 is provided on one side of the rotating frame 7, and a screw 9 is fixedly connected to one side of the handwheel 8. One end of the screw 9 passes through to the outside of the rotating frame 7 and is fixedly connected to a clamping plate 10. By setting the positioning frame 513, the stability of the adjusting frame 502 can be improved. By setting the handle, it is convenient for the user to use the housing door. By setting the handwheel 8, it is convenient for the user to rotate the screw 9. By setting the clamping plate 10, it can be used to clamp the workpiece.

[0028] Working principle: The material to be sprayed is placed on the support plate 3. Then, the handwheel 8 is turned, which drives the screw 9 to rotate. The rotation of the screw 9 can move the clamping plate 10 closer to the workpiece until it is tightly pressed. The external pipe is connected to the conveying pipe 2 to transport the material into the conveying pipe 2. Then, the material can be sprayed onto the workpiece through the nozzle 4. At the same time as spraying, the motor 503 is turned on. The motor 503 turns on, which drives the rotating rod 504 and the rotating frame 505 to rotate. The rotating rod 504, in cooperation with the support plate 3, can drive the workpiece to rotate. The rotating frame 505 drives the rotating block 506 to rotate. The rotation of the rotating block 506 can drive the moving shell 507 to move back and forth. The moving shell 507, in cooperation with the sliding sleeve 510, can move the workpiece back and forth. The movable toothed plate 511 moves back and forth, and by adjusting the toothed plate 512, the movable toothed plate 511 can drive the adjusting frame 502 to rotate back and forth. The adjusting frame 502 can then drive the material conveying pipe 2 to rotate back and forth, and the material conveying pipe 2 can drive the spray head 4 to swing back and forth, thereby increasing the spraying range. By rotating the workpiece and swinging the spray head 4, the workpiece can be sprayed evenly. After the spraying is completed, the control fan 602 and heating pipe 603 are turned on. The fan 602 drives the outside gas into the heating box 601, and the heating pipe 603 heats the gas. Then, the heated gas enters the chamber 1 through the gas supply pipe 604 and the gas outlet pipe 605, which accelerates the drying speed of the coating on the workpiece surface and further improves the heating efficiency of the workpiece.

[0029] Although the embodiments of this utility model have been described in detail with reference to the accompanying drawings, those skilled in the art can make changes, modifications, substitutions and variations to these embodiments without departing from the principles and spirit of this utility model. The appended claims and their equivalents define the scope of this utility model.

Claims

1. An apparatus for producing and processing an oxide coating for neodymium iron boron magnets, comprising a housing (1), characterized in that: The top and bottom of the inner cavity of the box (1) are respectively provided with a conveying pipe (2) and a support plate (3). The bottom of the conveying pipe (2) is connected to several nozzles (4). Both ends of the conveying pipe (2) extend to the outside of the box (1). The bottom of the box (1) is provided with an adjustment mechanism (5). The top of the box (1) is provided with a drying mechanism (6). The adjustment mechanism (5) includes a mounting frame (501) and two adjustment frames (502). The two adjustment frames (502) are respectively sleeved on both sides of the surface of the conveying pipe (2). The top of the mounting frame (501) is fixedly connected to the box (1). The bottom of the inner cavity of the mounting frame (501) is fixedly connected with a motor (503). The output end of the top of the motor (503) is fixedly connected with a rotating rod (504). The top of the rotating rod (504) extends through the box (1) and is fixedly connected to the support plate (3). 3) The bottom output end extends through to the bottom of the mounting frame (501) and is fixedly connected to a rotating frame (505). A rotating block (506) is fixedly connected to the right side of the bottom of the rotating frame (505). A movable shell (507) is fitted on the surface of the rotating block (506). A sliding rod (508) is provided on both sides of the movable shell (507). A fixed frame (509) is fixedly connected to both ends of the sliding rod (508). The top of the fixed frame (509) is fixedly connected to the housing (1). A sliding sleeve (510) is fitted on the surface of the sliding rod (508). The two sides of the movable shell (507) are fixedly connected to two sliding sleeves (510) respectively. A movable toothed plate (511) is fixedly connected to the top of the sliding sleeve (510). An adjusting toothed plate (512) meshes with the top of the movable toothed plate (511). The top of the adjusting toothed plate (512) is fixedly connected to the adjusting frame (502).

2. The apparatus for producing an oxide coating layer for a Nd-Fe-B magnet according to claim 1, wherein: The drying mechanism (6) includes a heating box (601), the bottom of which is fixedly connected to the top of the box (1), a fan (602) is connected to the front side of the heating box (601), a heating tube (603) is fixedly connected to the inner wall of the heating box (601), an air supply pipe (604) is connected to the rear side of the heating box (601), and a plurality of air outlet pipes (605) are connected to the front side of the air supply pipe (604), with the front side of the air outlet pipes (605) connected to the box (1).

3. The apparatus for producing an oxide coating for a Nd-Fe-B magnet according to claim 2, wherein: The number of heating tubes (603) is three, and mounting blocks (606) are fixedly connected to both sides of the gas supply pipe (604). The front side of the mounting block (606) is fixedly connected to the box body (1).

4. The apparatus for producing an oxide coating for a Nd-Fe-B magnet according to claim 1, wherein: The surface of the rotating rod (504) is movably connected to the housing (1) via a first bearing, and the surface of the rotating block (506) is slidably connected to the inner wall of the movable shell (507).

5. The apparatus for producing an oxide coating for a Nd-Fe-B magnet according to claim 1, wherein: The surface of the conveying pipe (2) is movably connected to the box body (1) through a second bearing, and one end of the conveying pipe (2) is connected to an external pipeline.

6. The apparatus for producing an oxide coating for a Nd-Fe-B magnet according to claim 1, wherein: The surface of the adjustment frame (502) is fitted with a positioning frame (513), and the surface of the positioning frame (513) is fixedly connected to the box body (1).

7. The apparatus for producing an oxide coating for a Nd-Fe-B magnet according to claim 1, wherein: Both sides of the front surface of the box (1) are connected to the box door by hinges, and the front side of the box door is fixedly connected to the handle. The bottom of the box (1) is fixedly connected to the bracket (11).

8. The apparatus for producing an oxide coating for a Nd-Fe-B magnet according to claim 1, wherein: The support plate (3) is fixedly connected to both sides of a rotating frame (7). A handwheel (8) is provided on one side of the rotating frame (7). A screw (9) is fixedly connected to one side of the handwheel (8). One end of the screw (9) passes through to the outside of the rotating frame (7) and is fixedly connected to a clamping plate (10).

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