Neodymium iron boron permanent magnet material electroplating device and electroplating method

Abstract

The present invention relates to the field of electroplating technology, and more specifically to an electroplating device and method for NdFeB permanent magnet materials. The electroplating method comprises the following steps: the NdFeB permanent magnet material is a hollow cylindrical magnet, the NdFeB permanent magnet material is fed onto a belt conveyor, and the axis of the cylindrical magnet is perpendicular to the conveying direction of the belt conveyor; the second step: the cylindrical magnet is pushed into a support plate, and after the cylindrical magnet is located in an arc slot, the height of the support plate is adjusted to correspond to the height of the support rod; the third step: the support rod is lowered at the front and higher at the back, and then the support plate is lowered at the front and higher at the back to feed the cylindrical magnet onto the support rod; the fourth step: the extension piece is transported in a suspended manner, so that the support rod carries the cylindrical magnet into the electroplating pool; the fifth step: when collecting the electroplated cylindrical magnet, the free end of the extension piece is lowered at the collection location, and the cylindrical magnet is fed to the assembly line. The efficiency of electroplating of NdFeB permanent magnet materials is improved by increasing the efficiency of frequent transportation and loading and unloading of materials.

Description

Technical Field

[0001] The present invention relates to the technical field of electroplating, and more particularly to an electroplating device and an electroplating method for a neodymium iron boron permanent magnet material. Background Art

[0002] NdFeB permanent magnets primarily feature a nickel-copper-nickel coating, which varies in color, such as black nickel, dull nickel, semi-bright nickel, and bright nickel. They require a surface coating process before long-term storage and use. Otherwise, the surface will oxidize and discolor, and in severe cases, rust and corrode, affecting the magnetic properties of the NdFeB magnets and rendering them inoperable. Prior to electroplating, NdFeB permanent magnets require pickling, chamfering, and activation to ensure good surface contact with the electrolyte. Frequent material handling and loading and unloading during this process is a factor that impacts processing efficiency. Summary of the Invention

[0003] The present invention provides a NdFeB permanent magnet material electroplating device and an electroplating method, aiming to improve the efficiency of the NdFeB permanent magnet material electroplating.

[0004] The above objectives are achieved through the following technical solutions:

[0005] A neodymium iron boron permanent magnet material electroplating device includes a support plate, a limiting structure is provided at the upper end of the support plate, a base frame is provided at the lower end of the support plate, the rear end of the support plate is rotatably connected to the base frame, a seat I with a straight slot is fixedly connected to the front side of the lower end of the support plate, a telescopic cylinder I is installed on the base frame, a shift rod is fixedly connected to the upper end of the telescopic cylinder I, the shift rod is inserted into the seat I with a straight slot, and a lifting mechanism for driving the base frame to lift itself is provided.

[0006] The limiting structure is an arc groove linearly distributed on the left and right sides of the supporting plate, and blocking members are fixedly connected to the left and right ends of the supporting plate.

[0007] A protrusion is provided on the supporting plate between any two adjacent arc grooves.

[0008] The lifting mechanism also includes two screw racks, on which screw racks are rotatably connected, and the lower sides of the screws are synchronously driven by a pulley and belt assembly, and one of the screws is driven to rotate by motor I.

[0009] A belt conveyor is provided on the rear side of the pallet, the conveying route of which is parallel to the axis of rotation of the pallet.

[0010] It also includes a suspension, which is fixed with longitudinally distributed round rods, and each round rod is linearly distributed with multiple hangers, and the hanger includes: a base, a support rod fixed to the rear end of the base, and a seat II with a straight slot fixed to the front end of the base; it also includes a telescopic cylinder II fixed to the upper end of the suspension, the number of telescopic cylinders II is the same as the number of round rods, the lower end of the telescopic cylinder II is fixed with a connecting piece, and a long rod is fixed on the connecting piece, each long rod is inserted into the seat II with a straight slot at the same height, and all the long rods are staggered front and back.

[0011] One or two extension members are fixed to the suspension.

[0012] A buffer piece is provided at the front of the support rod.

[0013] The rear end of the support rod is fixedly connected with an anti-slip head with a diameter increasing from front to back.

[0014] The electroplating method of the NdFeB permanent magnet material electroplating device comprises the following steps:

[0015] Step 1: The NdFeB permanent magnet material is a hollow cylindrical magnet, which is fed onto a belt conveyor with the axis of the cylindrical magnet perpendicular to the conveying direction of the belt conveyor;

[0016] Step 2: Push the cylindrical magnet into the support plate, and adjust the height of the support plate to correspond to the height of the support rod after the cylindrical magnet is located in the arc groove;

[0017] Step 3: Make the support rod lower in front and higher in back, then make the support plate lower in front and higher in back to put the cylindrical magnet onto the support rod;

[0018] Step 4: The extension piece is transported in a suspended manner so that the support rod carries the cylindrical magnet into the electroplating tank;

[0019] Step 5: When collecting the electroplated cylindrical magnets, lower the free end of the extension piece at the collection location and send the cylindrical magnets to the assembly line.

[0020] The beneficial effects of the NdFeB permanent magnet material electroplating device and electroplating method of the present invention are as follows:

[0021] The rotating pallet, in conjunction with the belt conveyor, allows for tilted release and loading of NdFeB permanent magnets in both forward and backward directions. When horizontal, it is used to receive cylindrical magnets for loading. A self-propelled lifting mechanism is incorporated into the base frame to allow for unloading at varying heights. This facilitates the transfer assembly and pallet's coordinated transport of NdFeB permanent magnets from the assembly line to the electroplating tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A flow chart of an electroplating method for a NdFeB permanent magnet material electroplating device;

[0023] Figure 2 It is a front view of the loading and unloading assembly and the belt conveyor;

[0024] Figure 3 and 4 It is a schematic diagram of the loading and unloading component structure;

[0025] Figure 5 and 6 It is a structural diagram of the transfer component;

[0026] Figure 7 Schematic diagram of the buffer structure;

[0027] Figure 8 Schematic diagram of the connector structure. DETAILED DESCRIPTION

[0028] A NdFeB permanent magnet material electroplating device, reference Figure 3 , including loading and unloading components;

[0029] The loading and unloading assembly includes: a support plate 11, the upper end of which is provided with arc grooves 12 distributed from left to right for placing cylindrical NdFeB permanent magnet materials, hereinafter referred to as cylindrical magnets, and a protrusion is provided between any two adjacent arc grooves 12 on the support plate 11 to prevent the cylindrical magnets from rolling out of the current arc groove 12. Blocking members are fixed to the left and right ends of the support plate 11;

[0030] Furthermore, a base frame 21 is provided at the lower end of the support plate 11, and the rear end of the support plate 11 is rotatably connected to the base frame 21 through the cooperation of the axle seat and the shaft, such as the rear end of the lower end of the support plate 11 is fixedly connected to the axle seat Ⅰ, and the rear end of the upper end of the base frame 21 is fixedly connected to the axle seat Ⅱ, and an axle is rotatably connected in the axle seat Ⅰ and the axle seat Ⅱ to enable the support plate 11 to rotate around the said shaft, and the front side of the lower end of the support plate 11 is fixedly connected to the seat Ⅰ14 with a straight slot, and the front side of the upper end of the base frame 21 is fixedly connected to the telescopic cylinder Ⅰ22 with the movable end facing upward, and the upper end of the movable end of the telescopic cylinder Ⅰ22 is fixedly connected to a shift rod 23, which is inserted into the seat Ⅰ14 with a straight slot, and starting the telescopic cylinder Ⅰ22 is used to drive the shift rod 23 to rise and fall, and the shift rod 23 is used to push the seat Ⅰ14 with a straight slot to move upward or pull the seat Ⅰ14 with a straight slot to move downward, so that the support plate 11 can rotate around the said shaft.

[0031] The purpose of the rotation of the support plate 11 is to make it lower in front and higher in back, or higher in front and lower in back, so as to be able to pour out the cylindrical magnets in a tilted release manner in the front and back directions. When it is horizontal, it is used to receive the cylindrical magnets for loading. The base frame 21 is equipped with a lifting mechanism that drives itself up and down, so that the materials can be discharged at different heights.

[0032] The lifting mechanism further includes two screw racks 24a, one on the left and one on the right, on which screw racks 24a are rotatably connected screws 24b, the lower side of which is synchronously driven by a pulley and belt assembly, and one of the screws 24b is driven by motor I to rotate.

[0033] A belt conveyor 6 is provided on the rear side of the pallet 11, whose conveying route is parallel to the axis of rotation of the pallet 11. The cylindrical magnets are fed onto the belt conveyor 6 and the axis of the cylindrical magnets is perpendicular to the conveying direction of the belt conveyor 6. When the height of the pallet 11 is slightly lower than the top of the conveyor belt of the belt conveyor 6, the cylindrical magnets on the belt conveyor 6 are pushed into the pallet 11, completing the loading of the assembly line for the next step of transfer to the electroplating tank.

[0034] For transport, refer to Figure 5 , also including a transfer component;

[0035] The transfer assembly includes: a suspension 31, on which are fixedly connected longitudinally distributed round rods 33, and on each round rod 33, a plurality of hangers are linearly distributed transversely;

[0036] Among them, the hanger includes: a base 41, a support rod 42 fixedly connected to the rear end of the base 41, and a front end of the base 41 is fixedly connected to a seat Ⅱ46 with a straight slot; it also includes a telescopic cylinder Ⅱ51 fixedly connected to the upper end of the suspension 31, and the movable end of the telescopic cylinder Ⅱ51 passes through the suspension 31 from top to bottom. The number of telescopic cylinders Ⅱ51 is the same as the number of round rods 33. The lower end of the telescopic cylinder Ⅱ51 is fixedly connected to a connecting member 52, and the connecting member 52 is composed of a horizontal plate and a vertical rod. A long rod 53 is fixed to the connecting member 52, and each long rod 53 is inserted into all the seats Ⅱ46 with straight slots at the same height. All long rods 53 are staggered front and back, which is achieved by the different lengths of the plates and rods.

[0037] When the transfer assembly is transported on a production line by lifting, an extension piece 32 is fixed to each side of the upper end of the suspension frame 31, and the upper end of the extension piece 32 is fixed with a lifting ring. If the suspended production line of the transfer assembly is a chain-driven device, the number of extension pieces 32 can be reduced, and the corresponding hardware connectors can be installed at the upper end of the extension piece 32. The front of the support rod 42 is equipped with a buffer. The rear end of the support rod 42 is fixed with a locking head with a diameter that increases from front to back.

[0038] By starting the telescopic cylinder II 51, the connecting piece 52 can be used to drive the long rod 53 to rise and fall, so that the long rod 53 can be used to drive the hanger to rotate around the round rod 33 to adjust the inclination of the support rod 42; when the support rod 42 is low at the front and high at the back, it is used for loading the cylindrical magnet. At this time, the support plate 11 is low at the front and high at the back and is connected to the support rod 42, and an elastic buffer is used for shock absorption during loading; when the support rod 42 is high at the front and low at the back, it is used for the cylindrical magnet to detach from the support rod 42 to the support plate 11, and the anti-detachment head is used to cache the falling of the cylindrical magnet during unloading. When the cylindrical part stays at the anti-detachment head, the support plate 11 is slightly raised, and the cylindrical part is lifted until the top of the support plate 11 is detached from the anti-detachment head so that it can be smoothly detached from the support rod 42.

[0039] The buffer member includes a spring 43 , with a connecting piece 44 fixed to each end of the spring 43 . A buffer pad 45 is fixed to the connecting piece 44 at the rear side, and the connecting piece 44 at the front side is used to be fixed to the base 41 .

Claims

1. A NdFeB permanent magnet material electroplating device, comprising a support plate (11), wherein the upper end of the support plate (11) is provided with a limiting structure, the lower end of the support plate (11) is provided with a base frame (21), the rear end of the support plate (11) is rotatably connected to the base frame (21), the front side of the lower end of the support plate (11) is fixedly connected with a seat I (14) with a straight notch, a telescopic cylinder I (22) is installed on the base frame (21), the upper end of the telescopic cylinder I (22) is fixedly connected with a shifting rod (23), the shifting rod (23) is inserted into the seat I (14) with a straight notch, and the base frame (21) is provided with a lifting mechanism for driving itself to rise and fall; A belt conveyor (6) is provided on the rear side of the pallet (11) and has a conveying route parallel to the axis of rotation of the pallet (11); The invention also includes a suspension (31), on which a longitudinally distributed round rod (33) is fixed, and each round rod (33) is linearly distributed with a plurality of hangers, wherein the hangers include: The invention relates to a base (41), a support rod (42) fixedly connected to the rear end of the base (41), and a seat II (46) with a straight notch fixedly connected to the front end of the base (41); and further comprises a telescopic cylinder II (51) fixedly connected to the upper end of the suspension (31), the number of the telescopic cylinders II (51) being the same as the number of the round rods (33), the lower end of the telescopic cylinder II (51) being fixedly connected to a connecting piece (52), a long rod (53) being fixedly connected to the connecting piece (52), each long rod (53) being plugged into the seat II (46) with a straight notch at the same height, and all the long rods (53) being staggered in front and back distribution.

2. According to the NdFeB permanent magnet material electroplating device according to claim 1, the limiting structure is an arc groove (12) linearly distributed on the left and right sides of the support plate (11), and blocking parts are fixed to the left and right ends of the support plate (11).

3. According to the NdFeB permanent magnet material electroplating device of claim 2, a protrusion is provided on the support plate (11) between any two adjacent arc grooves (12).

4. According to the neodymium iron boron permanent magnet material electroplating device according to claim 1, the lifting mechanism also includes two screw racks (24a), and the screw rack (24a) is rotatably connected to a screw (24b), and the lower side of the screw (24b) is synchronously driven by a pulley belt assembly, and one of the screws (24b) is driven to rotate by motor I.

5. The NdFeB permanent magnet material electroplating device according to claim 1, wherein one or two extension pieces (32) are fixedly connected to the suspension (31).

6. According to the NdFeB permanent magnet material electroplating device of claim 5, a buffer is provided at the front of the support rod (42).

7. According to the NdFeB permanent magnet material electroplating device of claim 6, the rear end of the support rod (42) is fixedly connected with an anti-slip head with a diameter increasing from front to back.

8. An electroplating method using the NdFeB permanent magnet material electroplating device according to any one of claims 1 to 7, comprising the following steps: Step 1: The NdFeB permanent magnet material is a hollow cylindrical magnet, and the NdFeB permanent magnet material is fed onto a belt conveyor (6) with the axis of the cylindrical magnet being perpendicular to the conveying direction of the belt conveyor (6); Step 2: Push the cylindrical magnet into the support plate (11), and after the cylindrical magnet is located in the arc groove (12), adjust the height of the support plate (11) to correspond to the height of the support rod (42); Step 3: Make the support rod (42) lower at the front and higher at the back, then make the support plate (11) lower at the front and higher at the back to put the cylindrical magnet onto the support rod (42); Step 4: transporting the extension piece (32) in a suspended manner so that the support rod (42) carries the cylindrical magnet into the electroplating bath; Step 5: When collecting the electroplated cylindrical magnets, the extension piece (32) is lowered at the free end of the collection location to send the cylindrical magnets to the assembly line.

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