Double-sided spraying device for neodymium-iron-boron magnet

Abstract

The utility model relates to a double-sided spraying device of a neodymium iron boron magnet, which comprises a half-surrounded spraying box and a spraying mechanism, and is characterized in that a Y-direction track is arranged on the bottom surface of the half-surrounded spraying box, a movable support is arranged above the Y-direction track, a turnable positioning disc is arranged on the movable support, the spraying mechanism is fixed on the top of the half-surrounded spraying box, and the spraying mechanism is fixed on the bottom of the half-surrounded spraying box. The left Y-direction linear module and the right Y-direction linear module are arranged on the top face of the positioning frame, the left Y-direction guide rod and the right Y-direction guide rod are arranged on the outer sides of the left Y-direction linear module and the right Y-direction linear module, and the rear X-direction linear module is connected between the left Y-direction linear module and the right Y-direction guide rod. The front X-direction linear module is connected between the right Y-direction linear module and the left Y-direction guide rod, the spray gun assembly is fixedly connected with a sliding block of the front X-direction linear module, and the compressed cold air blowing cylinder is fixedly connected with a sliding block of the rear X-direction linear module. The device is convenient to operate, meanwhile, the curing and shaping speed of the sprayed coating is increased, the coating effect is enhanced, and the coating quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a neodymium iron boron magnet production equipment technical field, concretely relates to a double -sided spraying device of neodymium iron boron magnet. BACKGROUND

[0002] Neodymium iron boron magnet has high remanence, high coercive force and good temperature stability. However, when preparing high-performance neodymium iron boron magnet by using the traditional method, 1%-5% of heavy rare earth elements need to be added in the ingredients for improving the coercive force of the material, but too much heavy rare earth will reduce the remanence performance of the material, and also cause the waste of heavy rare earth resources. At present, the effective solution is to spray rare earth oxide coating on the surface of neodymium iron boron magnet by using a double-sided spraying device, and then put the neodymium iron boron magnet into a vacuum furnace for annealing treatment and tempering treatment in turn to realize the thermal diffusion of grain boundary.

[0003] CN 119426020 B discloses a spraying equipment and method for neodymium iron boron magnet grain boundary diffusion, which comprises a frame and a grabbing rotating unit. The frame is provided with a grabbing lifting unit, and the grabbing lifting unit is provided with a support disc. One of the two grabbing rotating units is also provided with a support disc. The grabbing rotating unit comprises a mounting plate one connected to a sliding table and an electric sliding rail two mounted on the mounting plate one. The sliding part of the electric sliding rail two is connected with a support plate. A servo motor is installed on one side of the support plate. An insertion frame is connected to the output shaft of the servo motor. Both sides of the support disc have insertion holes. After the first surface of the magnet is sprayed, the spraying and turning of the magnet are automatically carried out at the same position. After turning, the magnet is sprayed again. The layout is compact, and multiple assembly line type conveyors are not needed, which improves the work efficiency of spraying. However, there are still the following problems: the coating cannot be quickly cooled before turning, which affects the solidification and setting of the coating. UTILITARIAN CONTENT

[0004] The utility model aims at providing a double -sided spraying device of neodymium iron boron magnet that solves the above -mentioned problems, which is reasonable in structure, reliable in use, easy to operate, improves the solidification and setting speed of the sprayed coating, enhances the coating effect and improves the coating quality.

[0005] The technical scheme of the utility model is:

[0006] The utility model discloses a double -sided spraying device of neodymium iron boron magnet, including half -enclosed spraying box, spraying mechanism, and its technical key points are: the bottom of half -enclosed spraying box is equipped with Y -direction track and is equipped with movable support above Y -direction track, the upper portion of movable support supports the overturning positioning disc, the even multiple magnet clamping groove of overturning positioning disc is equipped with above, spraying mechanism is fixed in half -enclosed spraying box top, and it includes positioning frame, left Y -direction linear module, right Y -direction linear module are equipped with in the top surface parallel with each other of positioning frame left, right, left Y -direction guide rod is equipped with in the outside of left Y -direction linear module, right Y -direction guide rod is equipped with in the outside of right Y -direction linear module, the rear X -direction linear module of the slider between left Y -direction linear module and right Y -direction guide rod is connected, the front X -direction linear module of the slider between right Y -direction linear module and left Y -direction guide rod is connected, the fixed spray gun subassembly of the slider of front X -direction linear module is connected, the fixed compressed cold -blast cylinder of the slider of rear X -direction linear module is connected.

[0007] The double -sided spraying device of neodymium iron boron magnet, the movable support of the double -sided spraying device of neodymium iron boron magnet is equipped with the inductive body corresponding with the proximity switch of the proximity switch towards half -enclosed spraying box inside side.

[0008] The double -sided spraying device of neodymium iron boron magnet, the movable support of the double -sided spraying device of neodymium iron boron magnet is equipped with the inductive body corresponding with the proximity switch of the proximity switch towards half -enclosed spraying box inside side.

[0009] The double -sided spraying device of neodymium iron boron magnet, the movable support of the double -sided spraying device of neodymium iron boron magnet is equipped with the inductive body corresponding with the proximity switch of the proximity switch towards half -enclosed spraying box inside side.

[0010] The utility model discloses a double -sided spraying device of neodymium iron boron magnet, including half -enclosed spraying box, spraying mechanism, and its technical key points are: the bottom of half -enclosed spraying box is equipped with Y -direction track and is equipped with movable support above Y -direction track, the upper portion of movable support supports the overturning positioning disc, the even multiple magnet clamping groove of overturning positioning disc is equipped with above, spraying mechanism is fixed in half -enclosed spraying box top, and it includes positioning frame, left Y -direction linear module, right Y -direction linear module are equipped with in the top surface parallel with each other of positioning frame left, right, left Y -direction guide rod is equipped with in the outside of left Y -direction linear module, right Y -direction guide rod is equipped with in the outside of right Y -direction linear module, the rear X -direction linear module of the slider between left Y -direction linear module and right Y -direction guide rod is connected, the front X -direction linear module of the slider between right Y -direction linear module and left Y -direction guide rod is connected, the fixed spray gun subassembly of the slider of front X -direction linear module is connected, the fixed compressed cold -blast cylinder of the slider of rear X -direction linear module is connected.

[0011] 1, when using, reach spraying mechanism directly below through movable support drive overturning positioning disc, utilize front X -direction linear module and right Y -direction linear module drive spray gun subassembly to the magnet of overturning positioning disc on clamping each is carried out spraying operation, during this process, rear X -direction linear module and left Y -direction linear module drive compressed cold -blast cylinder to the surface coating of magnet after spraying carries out air -cooling solidification and shaping, thereby improve the solidification and shaping speed of spraying coating, strengthen coating effect, improve coating quality.

[0012] 2, after completing the spraying shaping of one side, overturning positioning disc rotates 180 degrees under the drive of overturning motor reducer, carries out the spraying shaping operation of another surface, convenient operation, high working efficiency. ACCOMPAHYING DRAWINGS

[0013] Figure 1 is a structural schematic view of the utility model;

[0014] Figure 2 is Figure 1 the top view of the spraying mechanism in the middle;

[0015] Figure 3 is Figure 1 the top view of the semi-enclosed spraying box and the internal structure in the middle;

[0016] Figure 4 is Figure 1 the sectional view of the reversible positioning disc in the middle.

[0017] In the figure: 1. left Y direction guide rod, 2. left Y direction linear module, 3. positioning frame, 4. reversible positioning disc, 5. semi-enclosed spraying box, 6. reversing motor speed reducer, 7. movable support, 8. Y direction rail, 9. Y direction lead screw, 10. lead sleeve, 11. right Y direction guide rod, 12. right Y direction linear module, 13. front X direction linear module, 14. spray gun assembly, 15. rear X direction linear module, 16. compressed cold air blowing cylinder, 17. proximity switch, 18. inductor, 19. horizontal displacement driving motor speed reducer, 20. magnet clamping groove, 21. neodymium-iron-boron magnet, 22. transmission short shaft. DETAILED DESCRIPTION

[0018] The utility model is described in detail according to the attached drawings of the specification.

[0019] As Figures 1-4 shown, the double-sided spraying device of the neodymium-iron-boron magnet comprises a semi-enclosed spraying box 5 and a spraying mechanism.

[0020] Among them, the bottom surface of the semi-enclosed spraying box 5 is provided with a Y direction rail 8, and a movable support 7 is arranged above the Y direction rail 8, the upper part of the movable support 7 supports a reversible positioning disc 4, and a plurality of magnet clamping grooves 20 are uniformly arranged above the reversible positioning disc 4.

[0021] The spraying mechanism is fixed to the top of the semi-enclosed spraying box 5, which comprises a positioning frame 3, left and right Y direction linear modules 2 and 12 arranged on the top surfaces of the left and right sides of the positioning frame 3 and parallel to each other, a left Y direction guide rod 1 arranged outside the left Y direction linear module 2, a right Y direction guide rod 11 arranged outside the right Y direction linear module 12, a rear X direction linear module 15 connected between the sliding block of the left Y direction linear module 2 and the right Y direction guide rod 11, a front X direction linear module 13 connected between the sliding block of the right Y direction linear module 12 and the left Y direction guide rod 1, a spray gun assembly 14 fixedly connected with the sliding block of the front X direction linear module 13, and a compressed cold air blowing cylinder 16 fixedly connected with the sliding block of the rear X direction linear module 15.

[0022] In this embodiment, the rear side wall of the semi-enclosed spraying box 5 is externally fixed with a horizontal displacement driving motor reducer 19, the lower part of the semi-enclosed spraying box 5 is supported with a Y-direction lead screw 9 connected with the output end of the horizontal displacement driving motor reducer 19, and the movable support 7 is provided with a lead sleeve 10 matched with the Y-direction lead screw 9. The reversible positioning disc 4 is provided with a proximity switch 17 on the inner side surface of the semi-enclosed spraying box 5, and the rear side wall of the semi-enclosed spraying box 5 is provided with a sensing body 18 corresponding to the proximity switch 17. The reversible positioning disc 4 is a rectangular disc, and the front and rear sides thereof are correspondingly provided with transmission stub shafts 22, the movable support 7 is a u-shaped seat, the two transmission stub shafts 22 are connected with the front and rear side walls of the u-shaped seat through bearings, and the movable support 7 is further provided with a turnover motor reducer 6 connected with one of the transmission stub shafts 22.

[0023] Working principle:

[0024] 1. Each Nd-Fe-B magnet 21 to be sprayed is clamped in each magnet clamping groove 20 of the reversible positioning disc 4, and the upper and lower surfaces of the Nd-Fe-B magnet 21 are exposed at the upper and lower ends of the magnet clamping groove 20, respectively.

[0025] 2. The horizontal displacement driving motor reducer 19 is started to drive the Y-direction lead screw 9 to rotate, and the movable support 7 is driven to move into the semi-enclosed spraying box 5 through the lead sleeve 10, and when the proximity switch 17 sends a signal, the horizontal displacement driving motor 19 stops, and the reversible positioning disc 4 reaches directly below the spraying mechanism.

[0026] 3. The front X-direction linear module 13 and the right Y-direction linear module 12 are started to drive the spray gun assembly 14 to generate horizontal two-dimensional motion, and each magnet clamped on the reversible positioning disc 4 is sprayed; then the rear X-direction linear module 15 and the left Y-direction linear module 2 are started to drive the compressed cold air blowing cylinder 16 to generate horizontal two-dimensional motion, and the surface coating of the sprayed magnet is air-cooled and solidified.

[0027] 4. After the spraying and solidification of one end surface of each Nd-Fe-B magnet 21 are completed, the turnover motor reducer 6 drives the reversible positioning disc 4 to rotate by 180 degrees, and the above operation is repeated.

[0028] 5. After the spraying and solidification of two end surfaces of each Nd-Fe-B magnet 21 are completed, the horizontal displacement driving motor 19 is started again to stop, and the Y-direction lead screw 9 is reversed to drive the movable support 7 to move out of the semi-enclosed spraying box 5, thereby facilitating the workers to take down each Nd-Fe-B magnet 21.

[0029] The embodiments of the present application are described in detail above, but the content is only the preferred embodiments of the present application, and cannot be considered as limiting the scope of the present application. Any equivalent changes and improvements made within the scope of the present application are still within the scope of the present application.

Claims

1. A double-sided spraying device for neodymium iron boron magnets, comprising a semi-enclosed spraying box and a spraying mechanism, characterized in that: The bottom surface of the semi-enclosed spray box is provided with a Y-axis track and a movable support is provided above the Y-axis track. The upper part of the movable support supports a flip-up positioning plate. Multiple magnetic clamping slots are evenly provided above the flip-up positioning plate. The spraying mechanism is fixed to the top of the semi-enclosed spray box and includes a positioning frame, a left Y-axis linear module and a right Y-axis linear module on the top surface of the positioning frame, a left Y-axis guide rod outside the left Y-axis linear module, a right Y-axis guide rod outside the right Y-axis linear module, a rear X-axis linear module connected between the slider of the left Y-axis linear module and the right Y-axis guide rod, a front X-axis linear module connected between the slider of the right Y-axis linear module and the left Y-axis guide rod, a spray gun assembly connected and fixed to the slider of the front X-axis linear module, and a compressed cold air blower connected and fixed to the slider of the rear X-axis linear module.

2. The double-sided spraying device for neodymium iron boron magnets according to claim 1, characterized in that: The flip-up positioning plate is equipped with a proximity switch facing the inner side of the semi-enclosed spray box, and the rear side wall of the semi-enclosed spray box is equipped with a sensor corresponding to the proximity switch.

3. The double-sided spraying device for neodymium iron boron magnets according to claim 1, characterized in that: A horizontal displacement drive motor reducer is fixed to the outside of the rear side wall of the semi-enclosed spray box. A Y-axis lead screw connected to the output end of the horizontal displacement drive motor reducer is supported at the lower part of the semi-enclosed spray box. A threaded sleeve that cooperates with the Y-axis lead screw is provided on the movable support.

4. The double-sided spraying device for neodymium iron boron magnets according to claim 1, characterized in that: The reversible positioning disk is a rectangular disk with corresponding short drive shafts on its front and rear sides. The movable support is a U-shaped support. The two short drive shafts are connected to the front and rear side walls of the U-shaped support by bearings. The movable support is also equipped with a reversible motor reducer connected to one of the short drive shafts.

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