A surface pretreatment device for bonding neodymium-iron-boron magnet production and processing

Abstract

The application discloses a surface pretreatment device for bonding neodymium-iron-boron magnet production and processing, which comprises a box body, a feeding plate, a sprayer and a No.2 plate. A sprayer is installed on the inner top wall of the box body, a sealing block is installed on the inner top wall of the sprayer, a lifting pipe is installed through the bottom of the sprayer, a spray head is installed on the bottom of the lifting pipe, a connecting plate is installed on the bottom of the No.1 electric telescopic rod, and a rubber plate is installed on the inner rear wall of the box body. The No.1 electric telescopic rod is installed to drive the connecting plate to descend, so that the lifting pipe drives the spray head to descend, the No.1 spring is elongated, the lifting pipe is separated from the sealing block, the cleaning agent is sprayed out of the spray head and sprayed onto the surface of the neodymium-iron-boron magnet, then the moving plate is moved to drive the neodymium-iron-boron magnet to move, the neodymium-iron-boron magnet is rubbed and rotated when passing through the rubber plate, then the other sprayer sprays the cleaning agent, so that the outer surface of the neodymium-iron-boron magnet is sprayed, and the function of full-automatic spraying is realized.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of magnet processing, in particular to a surface pretreatment device for bonded neodymium-iron-boron magnet production and processing. BACKGROUND

[0002] Neodymium magnets, also known as neodymium-iron-boron magnets, are tetragonal crystal formed by neodymium, iron and boron. In 1982, Masato Sakawa of Sumitomo Special Metals discovered neodymium magnets. The magnetic energy product of such magnets is greater than that of samarium-cobalt magnets, and it is the largest material in the world at that time. Later, Sumitomo Special Metals successfully developed a powder metallurgy method, and General Motors successfully developed a rotary injection smelting method, which can produce neodymium-iron-boron magnets. Such magnets are the most commonly used rare earth magnets and the second most permanent magnets after absolute zero holmium magnets. Neodymium-iron-boron magnets are widely used in electronic products, such as hard disks, mobile phones, earphones and battery-powered tools, etc. In order to avoid corrosion damage, protective treatment needs to be done on the surface of the permanent magnet material, such as electroplating with gold, nickel, zinc and tin, and surface spraying of epoxy resin, etc. Magnets are prone to corrosion, so the magnet needs to be subjected to surface treatment such as oil removal, cleaning, etching (activation), and re-cleaning before plating. The surface of the magnet before plating should be free of oil stains, oxidation scale and rust, etc. The surface condition of the magnet before plating directly affects the quality of the plated layer.

[0003] The existing surface pretreatment device has the following defects:

[0004] 1. Patent document CN115323465A discloses a surface corrosion-resistant treatment process for neodymium-iron-boron magnets, which discloses "specifically relates to a surface corrosion-resistant treatment process for neodymium-iron-boron magnets, comprising the following steps: selecting a carrying jig according to the shape of the neodymium-iron-boron magnets to be electroplated, and installing a plurality of carrying jigs in a rectangular shape in the horizontal direction on a carrying frame; installing the neodymium-iron-boron magnets into the plurality of carrying jigs in sequence through an automatic feeding assembly; carrying the carrying frame as a whole to an oil removal tank through a gantry crane, and performing oil removal operation at room temperature; washing at room temperature; acid pickling under an ultrasonic acid pickling tank, and water washing under an ultrasonic water washing tank; washing 2-3 times in sequence along the first multi-stage water washing tank; passivating in a passivation tank; washing 2-3 times in sequence along the second multi-stage water washing tank; and electroplating in an electroplating tank. The present application has the functions of automatic and efficient feeding, improves the magnet feeding efficiency, avoids magnet bumping, and improves the yield of products", the magnet needs to be cleaned and degreased before processing, therefore, the present application provides a pretreatment device capable of degreasing and cleaning the magnet;

[0005] 2、Patent document CN115483017A discloses a magnet processing method, which discloses "a magnet processing method; step one: put the metal raw material into the furnace and heat it to a molten state; step two: make sand into a mold and compact it, connect the middle of the multiple molds and stack them in the processing device; step three: pour the molten metal raw material into the multiple molds, use the processing device to spray water to quickly cool the mold to get the ingot; step four: use the processing device to overturn and break the mold after spraying water, take out the shaped ingot and heat it again to adjust the magnetic pole of the ingot; step five: polish the surface of the ingot and magnetize it to get a magnet; the processing device comprises a bottom groove provided with an outlet at the bottom end, a bottom plate rotatably connected to the bottom groove through a rotating shaft at the right side, a pedal fixedly connected to the front end of the rotating shaft, and a plurality of rectangular holes are formed in the bottom plate; it can speed up the processing efficiency of the magnet and simplify the operation process", the processing device cannot clean the surface of the magnet when processing, which affects the subsequent processing;

[0006] 3、Patent document CN115194593A discloses a magnet processing device, which discloses "the magnet processing device is used for processing a bar-shaped magnet with a square cross section, comprising a bottom plate, first side plates are arranged on the front and rear sides of the bottom plate, a right side plate is arranged at the right end of the bottom plate, a left side plate is slidably connected to the left side of the right side plate on the bottom plate, shaft rods are rotatably connected in the left and right side plates; the opposite ends of the two shaft rods are provided with clamping assemblies; a cross beam is slidably connected between the upper ends of the two first side plates; a first sliding block connected with the cross beam is arranged between the two first side plates, a first motor is fixedly arranged in the first sliding block, a polishing wheel is vertically downwardly and fixedly arranged on the output shaft of the first motor; a driving assembly is arranged between the upper ends of the two first side plates; a transmission assembly cooperating with the first sliding block is arranged on the right side plate. The magnet processing device not only has a simple structure, but also can greatly improve the efficiency of polishing the bar-shaped magnet", the existing device cannot turn the magnet during drying, which causes uneven drying;

[0007] 4、Patent document CN115056012A discloses a synchronous punching device for motor magnet machining, which discloses "a synchronous punching device for motor magnet machining, comprising a mounting plate, the outer wall of the mounting plate is connected with a workbench through a stand, the outer walls of the two sides of the workbench are provided with fixing frames, and the fixing frames are rotatably provided with rotating rollers, the outer wall of the fixing frame is provided with a driving part one, and the driving end of the driving part one and the outer wall of the rotating roller are in contact, the outer wall of the rotating roller is rotatably provided with a track, the outer wall of the track is provided with equidistantly distributed mounting ports, and a silica gel box is arranged in the mounting port, the inner wall of the silica gel box is provided with a fixing port, and the outer wall of the workbench is provided with an extension piece. The present application can automatically move the next material to be punched below the drill bit after the magnet punching is completed, effectively realize the rapid synchronous punching operation, and only need to place the magnet to be punched in the silica gel box during use, which is high in automation and convenient to operate", the existing device needs to be dried after processing, but the drying is uneven, resulting in uneven drying of the bottom or edge of the magnet. SUMMARY

[0008] The purpose of the present application is to provide a surface pretreatment device for bonding neodymium iron boron magnet production and processing, to solve the problems raised in the background art.

[0009] To achieve the above purpose, the present application provides the following technical scheme: a surface pretreatment device for bonding neodymium iron boron magnet production and processing, comprising a box body, a feeding plate, a spraying device and a No. 2 plate, a spraying device is installed on the inner top wall of the box body, a sealing block is installed on the inner top wall of the spraying device, a lifting pipe is installed through the bottom of the spraying device, a spray head is installed at the bottom of the lifting pipe, a No. 1 spring is installed around the outer wall of the lifting pipe, a No. 1 electric telescopic rod is installed on the inner top wall of the box body, a connecting plate is installed at the bottom of the No. 1 electric telescopic rod, and a rubber plate is installed on the inner rear wall of the box body.

[0010] A feeding plate is installed on the outer wall of the box body, a No. 1 plate is installed on the inner bottom wall of the box body, and a No. 2 plate is installed on the inner bottom wall of the box body, and the No. 2 plate is located on one side of the No. 1 plate.

[0011] Preferably, the front of the box body is provided with a display screen, a plurality of control knobs are installed on the front of the box body, a box door is installed on the front of the box body, a handle is installed on the outer wall of the box door, a storage box is installed on the top of the box body, and a drying box is installed on the top of the box body.

[0012] Preferably, the inner wall of the feeding plate is provided with a moving plate, the top of the moving plate is provided with a plurality of fixing holes, the outer wall of the feeding plate is provided with a protective shell, the inner top wall of the protective shell is provided with a first motor, the output end of the first motor is provided with a cable, one end of the cable is connected with one end of the moving plate, the inner top wall of the box body is provided with a second motor, and the output end of the second motor is provided with a winding shaft.

[0013] Preferably, the top of the storage box is provided with a sealing plug, the outer wall of the storage box is provided with a fixed pipe, the bottom of the fixed pipe extends into the inside of the sprayer, the inner wall of the storage box is provided with a waterproof shell, the inner wall of the waterproof shell is provided with a water pump, and the output end of the water pump is connected with one end of the fixed pipe.

[0014] Preferably, one end of the connecting plate is connected with the outer wall of the lifting pipe, the control knob is located on one side of the display screen, the outer wall of the winding shaft is connected with one end of the moving plate through the cable, the input end of the water pump extends out of the outer wall of the waterproof shell, the inner bottom wall of the storage box is provided with a sliding rod, the outer wall of the sliding rod is sleeved with a floating block, the inner wall of the storage box is provided with a fixed shell, the inner wall of the fixed shell is provided with a trigger switch, the outer wall of the fixed shell is provided with a trigger rod, the outer wall of the trigger rod is provided with a second spring, the inner bottom wall of the box body is provided with a fifth spring, the top of the fifth spring is provided with a collecting groove, the bottom of the collecting groove is provided with a striking rod, and the inner bottom wall of the box body is provided with a control switch.

[0015] Preferably, the outer wall of the first plate is provided with a horizontal plate, the bottom of the horizontal plate is provided with a plurality of fixing grooves, the inner bottom wall of the fixing groove is provided with a vertical rod penetrating through, the outer wall of the vertical rod is provided with a third spring, the top of the vertical rod is provided with a pressing plate, the inner bottom wall of the box body is provided with a fourth spring, the top of the fourth spring is provided with a supporting plate, the inner bottom wall of the box body is provided with a fifth motor, the output end of the fifth motor is provided with a cam, the outer wall of the box body is provided with a third motor, the output end of the third motor is provided with a first lead screw, and the outer wall of the first lead screw is provided with an L-shaped adjusting plate.

[0016] Preferably, the inner wall of the second plate is provided with a fixed shaft, the outer wall of the fixed shaft is provided with an intercepting net, the inner bottom wall of the box body is provided with a fixed block, the inner bottom wall of the fixed block is provided with a second electric telescopic rod, the top of the second electric telescopic rod is connected with the bottom of the intercepting net, the inner bottom wall of the box body is provided with a first spraying pipe, the outer wall of the second plate is provided with a fourth motor, the output end of the fourth motor is provided with a second lead screw, the outer wall of the second lead screw is provided with a T-shaped block, the inner wall of the second plate is provided with a feeding pipe, the outer wall of the feeding pipe is provided with a rotating shaft, the outer wall of the rotating shaft is provided with a jet pipe, the bottom of the jet pipe is provided with a jet head, the outer wall of the jet pipe is provided with a reset spring, the outer wall of the jet pipe is provided with a blocking block, and the blocking block is connected with the winding shaft through the cable.

[0017] Preferably, the top of the drying box is provided with a filter screen, the inner top wall of the drying box is provided with a fan, the inner wall of the drying box is provided with a metal rod, the outer wall of the metal rod is provided with an electric heating wire, the bottom of the drying box is provided with a plurality of drying pipes penetratingly installed, and one end of the plurality of drying pipes is connected with the air injection pipe and the first spray pipe respectively.

[0018] Preferably, the use steps of the pretreatment device are as follows:

[0019] S1, the neodymium iron boron magnet is placed above the feeding plate, so that the neodymium iron boron magnet is located in the fixed hole on the moving plate, then the first motor and the second motor work to move the moving plate, then the water pump in the storage box works to pump out the cleaning agent in the storage box, then the cleaning agent enters the inside of the sprayer from the fixed pipe, then the first electric telescopic rod is elongated, the first electric telescopic rod drives the connecting plate to descend, the lifting pipe drives the spray head to descend, the first spring is elongated, the lifting pipe is separated from the sealing block, the cleaning agent is sprayed from the spray head and sprayed onto the surface of the neodymium iron boron magnet, then the moving plate moves to move the neodymium iron boron magnet, when passing through the rubber plate, the neodymium iron boron magnet is rotated by friction, then the other sprayer sprays the cleaning agent, so that the outer surface of the neodymium iron boron magnet is sprayed, realizing the function of automatic spraying in all directions;

[0020] S2, the moving plate moves to make the neodymium iron boron magnet fall from the fixed hole into the inside of the box body and be located on one side of the first plate, the top of the cross plate is filled with clean water, when the neodymium iron boron magnet is cleaned, the fifth motor drives the cam to rotate, the cam rotation supports the support plate to rise, the fourth spring is telescopic, the support plate extrudes the vertical rod, the vertical rod rises to elongate the third spring, so that the vertical rod extrudes the pressing plate to extrude water, the water impacts the neodymium iron boron magnet, so that the neodymium iron boron magnet is constantly turned over, realizing the function of cleaning it;

[0021] S3, the cleaned neodymium iron boron magnet falls onto the intercepting net, then the drying box works, the fan sucks the air outside, the metal rod and the electric heating wire work to heat the air, so that the hot air enters the air injection pipe and the first spray pipe through the drying pipe to dry the neodymium iron boron magnet on the intercepting net, realizing the drying function;

[0022] S4, during drying, the fourth motor rotates to drive the second screw rod to rotate, the second screw rod rotates to drive the T-shaped block to move, the T-shaped block moves to contact the neodymium iron boron magnet, the neodymium iron boron magnet is turned over by the T-shaped block, facilitating overall drying, realizing the turning function.

[0023] Preferably, the S1 further comprises the following steps:

[0024] S11, the device can be controlled through the display screen and the control button, the handle and the box door can be conveniently opened and closed, when the cleaning agent is reduced, the float block is lowered, the float block extrudes the trigger rod, the trigger rod moves to drive the second spring to be elongated, the trigger rod is in contact with the trigger switch, so that the cleaning agent is displayed on the display screen when being full or lacking, so that the staff can know in time;

[0025] S12, the neodymium iron boron magnet is dropped into the collecting groove after being dried, when the collecting groove is full, the fifth spring is contracted to drive the collecting groove to be lowered, so that the impact rod is in contact with the control switch, and the display screen is displayed;

[0026] The S2 further comprises the following steps;

[0027] S21, after the neodymium iron boron magnet is cleaned, the third motor drives the first lead screw to rotate, the first lead screw drives the adjusting plate to move, and the adjusting plate drives the turned neodymium iron boron magnet to the hole of the first plate, so that the neodymium iron boron magnet enters the side of the second plate, and the automatic cleaning function is realized;

[0028] The S3 further comprises the following steps;

[0029] S31, during drying, the take-up spool drives the cable to be tightened and loosened, the cable drives the blocking block to move, the blocking block drives the air jet pipe to rotate, the air jet pipe drives the return spring to be elongated, so that the air jet pipe swings left and right, and the drying is uniform;

[0030] The S4 further comprises the following steps;

[0031] S41, when the drying is finished, the second electric telescopic rod is elongated to drive the intercepting net to rotate, the neodymium iron boron magnet on the intercepting net falls into the inside of the collecting groove through the hole, and the collecting is facilitated.

[0032] Compared with the prior art, the present application has the following advantages:

[0033] 1. The present application can realize the spraying function through the installation of the sprayer, the neodymium iron boron magnet is placed above the feeding plate, so that the neodymium iron boron magnet is located in the fixed hole on the moving plate, then the first motor and the second motor work, so that the moving plate moves, then the water pump in the storage tank works, the water pump works to pump out the cleaning agent in the storage tank, then the cleaning agent enters the inside of the sprayer from the fixed pipe, then the first electric telescopic rod is elongated, the first electric telescopic rod drives the connecting plate to descend, so that the lifting pipe drives the spray head to descend, the first spring is elongated, the lifting pipe is separated from the sealing block, the cleaning agent is sprayed out of the spray head, and is sprayed onto the surface of the neodymium iron boron magnet, then the moving plate moves to drive the neodymium iron boron magnet to move, when passing through the rubber plate, the neodymium iron boron magnet is rotated by friction, then the other sprayer sprays the cleaning agent, so that the outer surface of the neodymium iron boron magnet is sprayed, and the function of full automatic spraying is realized;

[0034] 2. The invention can realize the cleaning function by installing the extrusion plate, the neodymium iron boron magnet falls into the inside of the box from the fixed hole by moving the moving plate, is located on the side of the No. 1 plate, the top of the horizontal plate is filled with clean water, when the neodymium iron boron magnet is cleaned, the cam is rotated by the No. 5 motor, the support plate is lifted by the rotation of the cam, the No. 4 spring is telescopic, the support plate extrudes the vertical rod, the vertical rod is lifted to drive the No. 3 spring to elongate, so that the vertical rod drives the extrusion plate to extrude water, the water impacts the neodymium iron boron magnet, so that the neodymium iron boron magnet is constantly turned over, realizing the cleaning function;

[0035] 3. The invention can realize the turning function by installing the T-shaped rod, when drying, the No. 4 motor rotates to drive the second screw rod to rotate, the second screw rod rotates to drive the T-shaped block to move, the T-shaped block contacts the neodymium iron boron magnet when moving, the neodymium iron boron magnet is turned over by the T-shaped block, which is convenient for comprehensive drying, realizing the turning function;

[0036] 4. The invention can realize the drying function by installing the drying box, the cleaned neodymium iron boron magnet falls on the intercepting net, then the drying box works, the fan inhales the air outside, the metal rod and the heating wire work, the air is heated, so that the hot air enters the air injection pipe and the No. 1 spray pipe through the drying pipe, the neodymium iron boron magnet on the intercepting net is dried, realizing the drying function. BRIEF DESCRIPTION OF DRAWINGS

[0037] Figure 1 It is the overall structure schematic diagram of the invention;

[0038] Figure 2 It is the front view structure schematic diagram of the invention;

[0039] Figure 3 It is the storage box part structure schematic diagram of the invention;

[0040] Figure 4 It is the sprayer part structure schematic diagram of the invention;

[0041] Figure 5 It is the Figure 2 A part structure schematic diagram of the invention;

[0042] Figure 6 It is the No. 2 plate part structure schematic diagram of the invention;

[0043] Figure 7 It is the box side view structure schematic diagram of the invention;

[0044] Figure 8 It is the drying box part structure schematic diagram of the invention.

[0045] In the figure: 1, box; 2, display screen; 3, control knob; 4, box door; 5, handle; 6, feeding plate; 7, moving plate; 8, fixing hole; 9, protective shell; 10, No. 1 motor; 11, No. 2 motor; 12, take-up spool; 13, storage box; 14, sealing plug; 15, fixed tube; 16, waterproof shell; 17, water pump; 18, slide rod; 19, float; 20, fixed shell; 21, trigger switch; 22, trigger rod; 23, No. 2 spring; 24, sprayer; 25, sealing block; 26, lifting tube; 27, spray head; 28, No. 1 spring; 29, No. 1 electric telescopic rod; 30, connecting plate; 31, rubber plate; 32, No. 1 plate; 33, No. 3 motor; 34, first lead screw; 35, adjusting plate; 36, cross plate; 37, fixing groove; 38, vertical rod; 39, No. 3 spring; 40, extrusion plate; 41, No. 4 spring; 42, support plate; 43, No. 5 motor; 44, cam; 45, No. 2 plate; 46, fixed shaft; 47, intercepting net; 48, fixed block; 49, No. 2 electric telescopic rod; 50, No. 1 spray pipe; 51, No. 4 motor; 52, second lead screw; 53, T-shaped block; 54, feeding pipe; 55, rotating shaft; 56, air jet pipe; 57, air jet head; 58, return spring; 59, blocking block; 60, drying box; 61, filter screen; 62, fan; 63, metal rod; 64, electric heating wire; 65, drying pipe; 66, No. 5 spring; 67, collection groove; 68, impact rod; 69, control switch. DETAILED DESCRIPTION

[0046] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0047] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0048] In the description of the present application, it should be noted that unless otherwise expressly specified and limited, the terms "mounting", "provided with", "connected" and the like should be interpreted broadly, for example, "connected" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through intermediate medium, can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0049] Please refer to Figure 2 and Figure 4 , the present application provides an embodiment: a surface pretreatment device for bonding neodymium iron boron magnet production and processing, comprising a box body 1, a feeding plate 6, a sprayer 24 and a second plate 45, the inside top wall of the box body 1 is provided with a sprayer 24, the inside top wall of the sprayer 24 is provided with a sealing block 25, the bottom of the sprayer 24 is provided with a lifting pipe 26, the bottom of the lifting pipe 26 is provided with a spray head 27, the outer wall of the lifting pipe 26 is provided with a first spring 28, the inside top wall of the box body 1 is provided with a first electric telescopic rod 29, the bottom of the first electric telescopic rod 29 is provided with a connecting plate 30, the inside rear wall of the box body 1 is provided with a rubber plate 31, the outer wall of the box body 1 is provided with a feeding plate 6, the inside bottom wall of the box body 1 is provided with a first plate 32, the inside bottom wall of the box body 1 is provided with a second plate 45, and the second plate 45 is located on one side of the first plate 32.

[0050] Please refer to Figure 2 and Figure 3 , the front of the box body 1 is provided with a display screen 2, the front of the box body 1 is provided with a plurality of control buttons 3, the front of the box body 1 is provided with a box door 4, the outer wall of the box door 4 is provided with a handle 5, the top of the box body 1 is provided with a storage box 13, the top of the box body 1 is provided with a drying box 60, the inner wall of the feeding plate 6 is provided with a moving plate 7, the top of the moving plate 7 is provided with a plurality of fixing holes 8, the outer wall of the feeding plate 6 is provided with a protective shell 9, the inside top wall of the protective shell 9 is provided with a first motor 10, the output end of the first motor 10 is provided with a cable, and one end of the cable is connected with one end of the moving plate 7, the inside top wall of the box body 1 is provided with a second motor 11, the output end of the second motor 11 is provided with a take-up reel 12, the top of the storage box 13 is provided with a sealing plug 14, the outer wall of the storage box 13 is provided with a fixed pipe 15, and the bottom of the fixed pipe 15 extends into the inside of the sprayer 24, the inner wall of the storage box 13 is provided with a waterproof shell 16, the inner wall of the waterproof shell 16 is provided with a water pump 17, and the output end of the water pump 17 is connected with one end of the fixed pipe 15.

[0051] Please refer to Figure 5One end of the connecting plate 30 is connected with the outer wall of the lifting pipe 26, the control knob 3 is located at one side of the display screen 2, the outer wall of the take-up reel 12 is connected with one end of the moving plate 7 through a cable, the input end of the water pump 17 extends out of the outer wall of the waterproof shell 16, the inner bottom wall of the storage box 13 is installed with a sliding rod 18, the outer wall of the sliding rod 18 is sleeved with a float 19, the inner wall of the storage box 13 is installed with a fixed shell 20, the inner wall of the fixed shell 20 is installed with a trigger switch 21, the outer wall of the fixed shell 20 is installed with a trigger rod 22, the outer wall of the trigger rod 22 is surrounded with a second spring 23, the inner bottom wall of the box body 1 is installed with a fifth spring 66, the top of the fifth spring 66 is installed with a collection groove 67, the bottom of the collection groove 67 is installed with an impact rod 68, and the inner bottom wall of the box body 1 is installed with a control switch 69.

[0052] Please refer to Figure 2 The outer wall of the first plate 32 is installed with a horizontal plate 36, the bottom of the horizontal plate 36 is provided with a plurality of fixing grooves 37, the inner bottom wall of the fixing groove 37 is installed with a vertical rod 38, the outer wall of the vertical rod 38 is surrounded with a third spring 39, the top of the vertical rod 38 is installed with a pressing plate 40, the inner bottom wall of the box body 1 is installed with a fourth spring 41, the top of the fourth spring 41 is installed with a supporting plate 42, the inner bottom wall of the box body 1 is installed with a fifth motor 43, the output end of the fifth motor 43 is installed with a cam 44, the outer wall of the box body 1 is installed with a third motor 33, the output end of the third motor 33 is installed with a first lead screw 34, and the outer wall of the first lead screw 34 is installed with an L-shaped adjusting plate 35.

[0053] Please refer to Figure 2 , Figure 6 , Figure 7 and Figure 8The inner wall of the second plate 45 is provided with a fixed shaft 46, the outer wall of the fixed shaft 46 is provided with an intercepting net 47, the inner bottom wall of the box body 1 is provided with a fixed block 48, the inner bottom wall of the fixed block 48 is provided with a second electric telescopic rod 49, and the top of the second electric telescopic rod 49 is connected with the bottom of the intercepting net 47, the inner bottom wall of the box body 1 is provided with a first spray pipe 50, the outer wall of the second plate 45 is provided with a fourth motor 51, the output end of the fourth motor 51 is provided with a second lead screw 52, the outer wall of the second lead screw 52 is provided with a T-shaped block 53, the inner wall of the second plate 45 is provided with a feeding pipe 54, the outer wall of the feeding pipe 54 is provided with a rotating shaft 55, the outer wall of the rotating shaft 55 is provided with a gas injection pipe 56, the bottom of the gas injection pipe 56 is provided with a gas injection head 57, the outer wall of the gas injection pipe 56 is provided with a return spring 58, the outer wall of the gas injection pipe 56 is provided with a blocking block 59, and the blocking block 59 is connected with the take-up shaft 12 through a cable, the top of the drying box 60 is provided with a filter screen 61, the inner top wall of the drying box 60 is provided with a fan 62, the inner wall of the drying box 60 is provided with a metal rod 63, the outer wall of the metal rod 63 is surrounded by an electric heating wire 64, a plurality of drying pipes 65 are penetratingly arranged at the bottom of the drying box 60, and one end of the plurality of drying pipes 65 is connected with the gas injection pipe 56 and the first spray pipe 50 respectively.

[0054] The use steps of the pretreatment device are as follows:

[0055] S1, the neodymium iron boron magnet is placed above the feeding plate 6, so that the neodymium iron boron magnet is located in the fixed hole 8 on the moving plate 7, then the first motor 10 and the second motor 11 work, so that the moving plate 7 moves, then the water pump 17 in the storage box 13 works, the water pump 17 works to pump out the cleaning agent in the storage box 13, then the cleaning agent enters the inside of the sprayer 24 from the fixed pipe 15, then the first electric telescopic rod 29 is elongated, the first electric telescopic rod 29 drives the connecting plate 30 to descend, so that the lifting pipe 26 drives the spray head 27 to descend, the first spring 28 is elongated, the lifting pipe 26 is separated from the sealing block 25, the cleaning agent is sprayed out of the spray head 27 and sprayed onto the surface of the neodymium iron boron magnet, then the moving plate 7 moves to drive the neodymium iron boron magnet to move, when passing through the rubber plate 31, the neodymium iron boron magnet is rotated by friction, then the other sprayer 24 sprays the cleaning agent, so that the outer surface of the neodymium iron boron magnet is sprayed, realizing the function of full-automatic spraying;

[0056] S2, the moving plate 7 moves so that the neodymium iron boron magnet falls from the fixed hole 8 to the inside of the box 1, on the side of the No. 1 plate 32, the top of the horizontal plate 36 is filled with clean water, when the neodymium iron boron magnet is washed, the No. 5 motor 43 drives the cam 44 to rotate, the cam 44 rotates the support plate 42 to rise, the No. 4 spring 41 stretches, the support plate 42 extrudes the vertical rod 38, the vertical rod 38 rises to drive the No. 3 spring 39 to elongate, so that the vertical rod 38 extrudes the pressing plate 40 to extrude water, water impact neodymium iron boron magnet, so that the neodymium iron boron magnet constantly turns, realize the function of cleaning;

[0057] S3, the washed neodymium iron boron magnet falls on the intercept net 47, and then the drying box 60 works, the fan 62 inhales the air outside, the metal rod 63 and the heating wire 64 work, the air is heated, so that the hot air enters the air injection pipe 65 into the air injection pipe 56 and the No. 1 air injection pipe 50, the neodymium iron boron magnet on the intercept net 47 is dried, realizes the function of drying;

[0058] S4, during drying, the No. 4 motor 51 rotates to drive the second screw rod 52 to rotate, the second screw rod 52 rotates to drive the T-shaped block 53 to move, the T-shaped block 53 moves and contacts with the neodymium iron boron magnet, the neodymium iron boron magnet is turned by the T-shaped block 53, which is convenient for comprehensive drying, realizes the function of turning.

[0059] In the S1, the following steps are also included;

[0060] S11, the device can be controlled through the display screen 2 and the control knob 3, the handle 5 and the box door 4 can be conveniently opened and closed, when the cleaning agent is reduced, the float 19 descends, the float 29 extrudes the trigger rod 22, the trigger rod 22 moves to drive the No. 2 spring 23 to elongate, the trigger rod 23 contacts with the trigger switch 21, so that the cleaning agent is displayed on the display screen 2 when it is full or lacking, which is convenient for the staff to know in time, S12, the neodymium iron boron magnet falls into the collecting groove 67 after drying, when it is full, the No. 5 spring 66 contracts to drive the collecting groove 67 to descend, so that the impact rod 68 contacts with the control switch 69, and is displayed on the display screen 2, S21, after the neodymium iron boron magnet is washed, the No. 3 motor 33 drives the first screw rod 34 to rotate, the first screw rod 34 rotates to drive the adjusting plate 35 to move, the adjusting plate 35 drives the turned neodymium iron boron magnet to the hole of the No. 1 plate 32, so that the neodymium iron boron magnet enters the side of the No. 2 plate 45, realizes the function of automatic cleaning, when drying, the take-up reel 12 drives the cable to tighten and relax, the cable drives the blocking block 59 to move, the blocking block 59 drives the air injection pipe 56 to rotate, the air injection pipe 56 drives the return spring 58 to elongate, so that the air injection pipe 56 swings left and right, so that the drying is uniform, when the drying is finished, the No. 2 electric telescopic rod 49 elongates to drive the intercept net 47 to rotate, the neodymium iron boron magnet on the intercept net 47 falls into the inside of the collecting groove 67 through the hole, which is convenient for collection.

[0061] The working principle is that the neodymium iron boron magnet is placed above the feeding plate 6, so that the neodymium iron boron magnet is located in the fixed hole 8 on the moving plate 7, then the first motor 10 and the second motor 11 work, so that the moving plate 7 moves, then the water pump 17 in the storage box 13 works, the water pump 17 works to pump out the cleaning agent in the storage box 13, then the cleaning agent enters the inside of the sprayer 24 from the fixed pipe 15, then the first electric telescopic rod 29 is elongated, the first electric telescopic rod 29 drives the connecting plate 30 to descend, so that the lifting pipe 26 drives the spray head 27 to descend, the first spring 28 is elongated, the lifting pipe 26 is separated from the sealing block 25, the cleaning agent is sprayed out of the spray head 27 and sprayed on the surface of the neodymium iron boron magnet, then the moving plate 7 moves to drive the neodymium iron boron magnet to move, when the neodymium iron boron magnet passes through the rubber plate 31, the neodymium iron boron magnet is rotated by friction, then the other sprayer 24 sprays the cleaning agent, so that the outer surface of the neodymium iron boron magnet is sprayed, realizing the function of automatic spraying, the device can be controlled through the display screen 2 and the control knob 3, the handle 5 and the box door 4 can be conveniently opened and closed to open and close the box body 1, when the cleaning agent is reduced, the floating block 19 descends, the floating block 29 extrudes the trigger rod 22, the trigger rod 22 moves to drive the second spring 23 to be elongated, the trigger rod 23 is in contact with the trigger switch 21, so that the cleaning agent is displayed on the display screen 2 when it is full or lacking, so that the staff can know in time, S12, the neodymium iron boron magnet falls into the collecting groove 67 after being dried, when the collecting groove 67 is full, the fifth spring 66 is contracted to drive the collecting groove 67 to descend, so that the impact rod 68 is in contact with the control switch 69, and the display screen 2 is displayed;

[0062] The moving plate 7 moves so that the neodymium iron boron magnet falls from the fixed hole 8 into the inside of the box body 1 and is located on one side of the first plate 32, the top of the horizontal plate 36 is filled with clean water, when the neodymium iron boron magnet is washed, the fifth motor 43 drives the cam 44 to rotate, the rotating cam 44 supports the support plate 42 to rise, the fourth spring 41 is stretched and contracted, the support plate 42 extrudes the vertical rod 38, the vertical rod 38 rises to drive the third spring 39 to be elongated, so that the vertical rod 38 drives the extrusion plate 40 to extrude water, the water impacts the neodymium iron boron magnet, so that the neodymium iron boron magnet is constantly turned over, realizing the function of washing it, after the neodymium iron boron magnet is washed, the third motor 33 drives the first screw rod 34 to rotate, the rotating first screw rod 34 drives the adjusting plate 35 to move, the adjusting plate 35 drives the turned-over neodymium iron boron magnet to the hole of the first plate 32, so that the neodymium iron boron magnet enters one side of the second plate 45, realizing the function of automatic washing;

[0063] The cleaned Nd-Fe-B magnet falls on the intercept net 47, then the drying box 60 works, the fan 62 sucks the air outside, the metal rod 63 and the electric heating wire 64 work, the air is heated, the hot air enters the air injection pipe 56 and the first injection pipe 50 through the drying pipe 65, the Nd-Fe-B magnet on the intercept net 47 is dried, the drying function is realized, when drying, the wire reel 12 drives the cable to tighten and relax, the cable tightening drives the blocking block 59 to move, the blocking block 59 drives the air injection pipe 56 to rotate, the air injection pipe 56 drives the reset spring 58 to elongate, the air injection pipe 56 swings left and right, so that the drying is uniform;

[0064] When drying, the fourth motor 51 rotates to drive the second lead screw 52 to rotate, the second lead screw 52 rotates to drive the T-shaped block 53 to move, the T-shaped block 53 moves to contact the Nd-Fe-B magnet, the Nd-Fe-B magnet is turned over by the T-shaped block 53, which is convenient for comprehensive drying, the turning function is realized, when drying is finished, the second electric telescopic rod 49 elongates to drive the intercept net 47 to rotate, the Nd-Fe-B magnet on the intercept net 47 falls into the inside of the collecting groove 67 through the hole, which is convenient for collection.

[0065] It will be obvious to a person skilled in the art that, without departing from the spirit or essential characteristics of the application, the present application can be implemented in other specific forms. The present examples are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the description given above, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claim.

Claims

1. A surface pretreatment device for bonding neodymium-iron-boron magnet production and processing, comprising a box (1), a feeding plate (6), a sprayer (24) and a second plate (45), characterized in that: The inside top wall of the box (1) is installed with a sprayer (24), the inside top wall of the sprayer (24) is installed with a sealing block (25), the bottom of the sprayer (24) is installed with a lifting pipe (26), the bottom of the lifting pipe (26) is installed with a spray head (27), the outer wall of the lifting pipe (26) is installed with a No. 1 spring (28), the inside top wall of the box (1) is installed with a No. 1 electric telescopic rod (29), the bottom of the No. 1 electric telescopic rod (29) is installed with a connecting plate (30), the inside rear wall of the box (1) is installed with a rubber plate (31); ​ The outer wall of the box (1) is installed with a feeding plate (6), the inside bottom wall of the box (1) is installed with a No. 1 plate (32), the inside bottom wall of the box (1) is installed with a No. 2 plate (45), and the No. 2 plate (45) is located on one side of the No. 1 plate (32); The inner wall of the feeding plate (6) is installed with a moving plate (7), the top of the moving plate (7) is provided with a plurality of fixing holes (8), the outer wall of the feeding plate (6) is installed with a protective shell (9), the inside top wall of the protective shell (9) is installed with a No. 1 motor (10), the output end of the No. 1 motor (10) is installed with a cable, one end of the cable is connected with one end of the moving plate (7), the inside top wall of the box (1) is installed with a No. 2 motor (11), the output end of the No. 2 motor (11) is installed with a take-up shaft (12); The outer wall of the No. 1 plate (32) is installed with a horizontal plate (36), the bottom of the horizontal plate (36) is provided with a plurality of fixing grooves (37), the inside bottom wall of the fixing groove (37) is installed through a vertical rod (38), the outer wall of the vertical rod (38) is installed with a No. 3 spring (39), the top of the vertical rod (38) is installed with a pressing plate (40), the inside bottom wall of the box (1) is installed with a No. 4 spring (41), the top of the No. 4 spring (41) is installed with a supporting plate (42), the inside bottom wall of the box (1) is installed with a No. 5 motor (43), the output end of the No. 5 motor (43) is installed with a cam (44), the outer wall of the box (1) is installed with a No. 3 motor (33), the output end of the No. 3 motor (33) is installed with a first lead screw (34), the outer wall of the first lead screw (34) is installed with an L-shaped adjusting plate (35). The inner wall of the second plate (45) is provided with a fixed shaft (46), the outer wall of the fixed shaft (46) is provided with an intercepting net (47), the inner bottom wall of the box body (1) is provided with a fixed block (48), the inside bottom wall of the fixed block (48) is provided with a second electric telescopic rod (49), and the top of the second electric telescopic rod (49) is connected with the bottom of the intercepting net (47), the inside bottom wall of the box body (1) is provided with a first spray pipe (50), the outer wall of the second plate (45) is provided with a fourth motor (51), the output end of the fourth motor (51) is provided with a second lead screw (52), the outer wall of the second lead screw (52) is provided with a T-shaped block (53), the inner wall of the second plate (45) is provided with a feeding pipe (54), the outer wall of the feeding pipe (54) is provided with a rotating shaft (55), the outer wall of the rotating shaft (55) is provided with a gas jet pipe (56), the bottom of the gas jet pipe (56) is provided with a gas jet head (57), the outer wall of the gas jet pipe (56) is provided with a return spring (58), the outer wall of the gas jet pipe (56) is provided with a blocking block (59), and the blocking block (59) is connected with the take-up shaft (12) through a cable.

2. The surface pretreatment device for bonding neodymium-iron-boron magnet production and processing according to claim 1, characterized in that: The front of the box body (1) is provided with a display screen (2), the front of the box body (1) is provided with a plurality of control buttons (3), the front of the box body (1) is provided with a box door (4), the outer wall of the box door (4) is provided with a handle (5), the top of the box body (1) is provided with a storage box (13), and the top of the box body (1) is provided with a drying box (60).

3. The surface pretreatment device for bonding neodymium-iron-boron magnet production processing according to claim 2, characterized in that: The top of the storage box (13) is provided with a sealing plug (14), the outer wall of the storage box (13) is provided with a fixed pipe (15), one end of the fixed pipe (15) extends into the inside of the sprayer (24), the inner wall of the storage box (13) is provided with a waterproof shell (16), the inner wall of the waterproof shell (16) is provided with a water pump (17), and the output end of the water pump (17) is connected with one end of the fixed pipe (15).

4. The surface pretreatment device for bonding Nd-Fe-B magnet production and processing according to any one of claims 1-3, characterized in that: One end of the connecting plate (30) is connected with the outer wall of the lifting pipe (26), the control button (3) is located on one side of the display screen (2), the outer wall of the take-up shaft (12) is connected with one end of the moving plate (7) through a cable, the input end of the water pump (17) extends out of the outer wall of the waterproof shell (16), the inside bottom wall of the storage box (13) is provided with a sliding rod (18), the outer wall of the sliding rod (18) is sleeved with a floating block (19), the inner wall of the storage box (13) is provided with a fixed shell (20), the inner wall of the fixed shell (20) is provided with a trigger switch (21), the outer wall of the fixed shell (20) penetrates to be provided with a trigger rod (22), the outer wall of the trigger rod (22) is surrounded to be provided with a second spring (23), the inside bottom wall of the box body (1) is provided with a fifth spring (66), the top of the fifth spring (66) is provided with a collecting groove (67), the bottom of the collecting groove (67) is provided with an impact rod (68), the inside bottom wall of the box body (1) is provided with a control switch (69).

5. The surface pre-treatment device for bonding Nd-Fe-B magnet production processing according to claim 2, characterized in that: The top of the drying box (60) is provided with a filter screen (61), the inner top wall of the drying box (60) is provided with a fan (62), the inner wall of the drying box (60) is provided with a metal rod (63), the outer wall of the metal rod (63) is surrounded by an electric heating wire (64), the bottom of the drying box (60) is provided with a plurality of drying pipes (65) penetratingly installed, and one end of the plurality of drying pipes (65) is connected with the air injection pipe (56) and one end of the first injection pipe (50) respectively.

6. The use of a surface pre-treatment device for the production and processing of bonded NdFeB magnets according to any one of claims 1 to 5, characterized in that The use steps of the pretreatment device are as follows: S1, the neodymium iron boron magnet is placed above the feeding plate (6), so that the neodymium iron boron magnet is located in the fixed hole (8) on the moving plate (7), then the first motor (10) and the second motor (11) work, so that the moving plate (7) moves, then the water pump (17) in the storage box (13) works, the water pump (17) works to pump out the cleaning agent in the storage box (13), then the cleaning agent enters the inside of the sprayer (24) from the fixed pipe (15), then the first electric telescopic rod (29) is elongated, the first electric telescopic rod (29) drives the connecting plate (30) to descend, so that the lifting pipe (26) drives the nozzle (27) to descend, the first spring (28) is elongated, the lifting pipe (26) is separated from the sealing block (25), the cleaning agent is sprayed out of the nozzle (27) and sprayed on the surface of the neodymium iron boron magnet, then the moving plate (7) moves to drive the neodymium iron boron magnet to move, when passing through the rubber plate (31), the neodymium iron boron magnet is rotated by friction, then the other sprayer (24) sprays the cleaning agent, so that the outer surface of the neodymium iron boron magnet is sprayed, realizing the function of automatic spraying in all directions; S2, the moving plate (7) moves so that the neodymium iron boron magnet falls from the fixed hole (8) into the inside of the box (1), located on one side of the first plate (32), the top of the cross plate (36) is filled with clean water, when cleaning the neodymium iron boron magnet, the fifth motor (43) drives the cam (44) to rotate, the cam (44) rotates to support the plate (42) to rise, the fourth spring (41) is telescopic, the support plate (42) extrudes the vertical rod (38), the vertical rod (38) rises to drive the third spring (39) to elongate, so that the vertical rod (38) drives the extrusion plate (40) to extrude water, the water impacts the neodymium iron boron magnet, so that the neodymium iron boron magnet is constantly turned over, realizing the function of cleaning; S3, the cleaned neodymium iron boron magnet falls on the intercepting net (47), then the drying box (60) works, the fan (62) sucks the air outside, the metal rod (63) and the electric heating wire (64) work to heat the air, so that the hot air enters the air injection pipe (56) and the first injection pipe (50) through the drying pipe (65), to dry the neodymium iron boron magnet on the intercepting net (47), realizing the drying function; S4, during drying, the fourth motor (51) rotates to drive the second screw rod (52) to rotate, the second screw rod (52) rotates to drive the T-shaped block (53) to move, the T-shaped block (53) moves to contact the neodymium iron boron magnet, the neodymium iron boron magnet is turned over by the T-shaped block (53), facilitating comprehensive drying, realizing the turning function.

7. The method of using a surface pre-treatment device for bonded NdFeB magnet production processing according to claim 6, characterized in that, In the S1, the following steps are further included: S11, the device can be controlled through the display screen (2) and the control button (3), the handle (5) and the box door (4) can facilitate the opening and closing of the box (1), when the cleaning agent is reduced, the float (19) is lowered, the float (29) extrudes the trigger rod (22), the trigger rod (22) moves to drive the second spring (23) to elongate, the trigger rod (23) contacts the trigger switch (21), so that the cleaning agent is displayed on the display screen (2) when it is full or lacking, which facilitates the staff to know in time; S12, the neodymium iron boron magnet is dropped into the collection tank (67) after drying, when the collection tank (67) is full, the fifth spring (66) is contracted to drive the collection tank (67) to descend, so that the impact rod (68) contacts the control switch (69), and the display screen (2) is displayed; In the S2, the following steps are further included: S21, after the neodymium iron boron magnet is cleaned, the third motor (33) drives the first lead screw (34) to rotate, the first lead screw (34) drives the adjusting plate (35) to move, the adjusting plate (35) drives the turned neodymium iron boron magnet into the hole of the first plate (32), so that the neodymium iron boron magnet enters the side of the second plate (45), realizing the function of automatic cleaning; In the S3, the following steps are further included: S31, when drying, the take-up spool (12) drives the cable to tighten and relax, the cable tightening drives the blocking block (59) to move, the blocking block (59) drives the air jet pipe (56) to rotate, the air jet pipe (56) drives the return spring (58) to elongate, so that the air jet pipe (56) swings left and right, so that the drying is uniform; In the S4, the following steps are further included: S41, when the drying is finished, the second electric telescopic rod (49) elongates to drive the intercepting net (47) to rotate, the neodymium iron boron magnet on the intercepting net (47) falls into the inside of the collection tank (67) through the hole, which is convenient for collection.

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