CN213080606U - Magnet assembly equipment - Google Patents

Abstract

The application belongs to the technical field of assembly jigs, and provides magnet assembly equipment which comprises a slide rail, a magnet group placing box and a plurality of receiving fixture blocks arranged in parallel with the slide rail; the magnet group placing box comprises a box body which is connected with the slide rail in a sliding way and is used for accommodating the magnet group, and an abutting component which extends into the box body and is used for abutting against the magnet group; the receiving fixture block is provided with a bracket which is used for clamping and separating the magnet at one end of the magnet group away from the abutting component in the sliding process of the box body along the sliding rail. The magnets can be separated from the mutually attracted magnet groups with extremely high efficiency; the damage to fingers or nails of workers due to long-time repetitive work can be avoided; by further designing the shapes of the bracket and the inner cavity of the box body, the magnet assembling equipment can be suitable for strip magnets consisting of magnets of different types and shapes; the magnets can be broken off from the magnet group according to the preset N-level and S-level directions, and the situation that the magnetic poles are reversely arranged is avoided.

Description

Magnet assembly equipment

Technical Field

The application relates to the technical field of assembly jigs, in particular to magnet assembly equipment.

Background

In some products, especially for electronic products, the production process of the products needs to install magnets at specific positions of the products, while in the case of production lines, the magnets are all adsorbed together to form a magnet stack or a magnet rod, and when the magnets are assembled at the specific positions of the products, the magnets need to be separated one by one and then installed at the specific positions of the products individually.

In the traditional process, the assembly of the magnets is realized by directly breaking off the magnets by hands by workers or picking out a single magnet by a nail, and then the magnets are installed in place. Because the magnets have certain attraction, the separated magnets are easily adsorbed by other magnets; the worker is apt to fatigue during long-time work and also to damage his fingers or nails. The above problems eventually lead to inefficient assembly of the magnets and high error rates.

SUMMERY OF THE UTILITY MODEL

The utility model provides a magnet rigging equipment aims at solving the technical problem that the inefficiency of assembly magnet and error rate are high in traditional production line.

The magnet assembling equipment comprises a slide rail, a magnet group placing box and a plurality of receiving clamping blocks which are arranged in parallel with the slide rail; the magnet group placing box comprises a box body which is connected with the slide rail in a sliding way and is used for accommodating the magnet group, and an abutting component which extends into the box body and is used for abutting against the magnet group; the receiving fixture block is provided with a bracket which is used for clamping and separating the magnet at one end of the magnet group far away from the abutting component in the process that the box body slides along the slide rail.

In an embodiment of the application, the butt subassembly includes the butt platform that is used for the butt magnet group, with but butt platform sliding connection's ejector pin, connection the gland of ejector pin, and the cover is established just the butt simultaneously outside the ejector pin the butt platform with the first spring of gland.

In one embodiment of the application, a guide rail is arranged in the box body, a first groove and a second groove are respectively arranged on two opposite sides of the guide rail, and the first groove and the second groove are communicated with each other through a gap arranged on the bottom surface of the first groove; the second recess is used for holding the magnet group, first recess is used for holding the ejector pin with first spring, the butt joint platform passes the gap, just the butt joint platform is used for with the elastic force transmission of first spring extremely magnet group in the box body.

In one embodiment of the application, a clamping boss is arranged on the side surface of the gland, and a jaw assembly matched with the clamping boss is arranged on the outer side of the box body; the clamping jaw assembly comprises a clamping jaw, the clamping jaw comprises a clamping part for clamping the clamping boss, a hinged part connected with the clamping part and hinged with the box body, and a pressing part connected with one side of the hinged part far away from the clamping part; the jaw assembly further comprises a second spring which abuts against the pressing portion and the box body simultaneously.

In one embodiment of the present application, an absorption hole for accommodating a ferromagnetic absorption member is formed at the bottom of the bracket; or an adsorption groove for accommodating the ferromagnetic adsorption piece is arranged on one side of the receiving fixture block, which is back to the bracket.

In an embodiment of this application, magnet rigging equipment still includes the workstation, the upper surface of workstation still is provided with mounting table face, sliding rail connection mounting table face, mounting table face just right the one side of slide rail is equipped with the mounting groove, the mounting groove with receive the one-to-one setting of fixture block, just the degree of depth of mounting groove equals receive the height of fixture block.

In an embodiment of the application, the magnet assembling equipment further comprises a driving assembly arranged in the workbench, the driving assembly comprises a driver and a conduction rod arranged in parallel with the slide rail, the box body is connected with the conduction rod, and the driver drives the box body to move horizontally along the slide rail through the conduction rod.

In one embodiment of the application, the driver adopts an air cylinder, the conduction rod adopts a columnar guide rod, and the air cylinder directly drives the box body to translate along the sliding rail through the columnar guide rod; or the driver adopts a motor, the conduction rod adopts a screw rod, the box body is in threaded connection with the screw rod, and the motor drives the screw rod to rotate to drive the box body to translate along the slide rail.

In one embodiment of the application, the magnet assembling device further comprises a magnet suction pen for taking out the magnet from the bracket, wherein the magnet suction pen comprises a pen holder, a magnet suction head arranged at one end of the pen holder, and a magnetic field generator arranged in the magnet suction head.

In one embodiment of the present application, the magnetic field generator employs a strong magnet; alternatively, the magnetic field generator employs an electromagnetic coil.

The magnet assembling equipment at least has the following beneficial effects:

the magnet assembling equipment provided by the embodiments of the application can separate the magnets from the magnet groups which are mutually adsorbed with extremely high efficiency; the workload of workers who are responsible for separating the magnets from the magnet groups is saved, the operating efficiency of the workers is improved, and meanwhile, the damage to fingers or nails of the workers due to long-time repeated work can be avoided; by further designing the shapes of the bracket and the inner cavity of the box body, the magnet assembling equipment can be suitable for strip magnets consisting of magnets of different types and shapes; the magnet can be broken off from the magnet group according to the preset N-level and S-level directions and is clamped in the bracket, the situation that the magnetic poles are reversely arranged in the further installation operation is avoided, and the error rate of the installation process is reduced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a magnet assembling apparatus provided in an embodiment of the present application;

fig. 2 is a schematic structural diagram of the inside of a workbench of a magnet assembling apparatus provided in an embodiment of the present application;

fig. 3 is a schematic structural diagram of a magnet group placement box according to an embodiment of the present application;

fig. 4 is an exploded view of a magnet group placement box according to an embodiment of the present application;

fig. 5 is a schematic cross-sectional view of a magnet group placement box according to an embodiment of the present application;

FIG. 6 is a schematic view of an assembly of an abutment assembly and a jaw assembly provided by an embodiment of the present application;

FIG. 7 is a schematic structural diagram of a magnetic wand provided in an embodiment of the present application;

fig. 8 is a partially enlarged schematic view at a in fig. 4.

Reference numerals referred to in the above figures are detailed below:

1-a slide rail; 2-magnet group placing box; 21-a box body; 211-cartridge body portion; 212-a connecting portion; 2120-slide rail hole; 22-an abutment assembly; 221-a gland; 2211-clamping the boss; 222-a push rod; 223-a first spring; 224-an abutment station; 23-a guide rail; 231 — a first groove; 232-a second groove; 233-gap; 24-a jaw assembly; 241-jaw; 2411-a clamping part; 2412-a hinge; 2413-pressing part; 242-a second spring; 3, receiving a fixture block; 30-bracket; 4-a workbench; 41-mounting a table top; 411-a mounting groove; 42-a drive assembly; 421-a driver; 422-conductive rod; 423-control button; 5-a magnet suction pen; 51-a pen holder; 52-a magnetic tip; 53-a magnetic field generator; 6-magnet group.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are for convenience of description only and not to be construed as limiting the technical solution. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.

In order to explain the technical solutions of the present application, the following detailed descriptions are made with reference to specific drawings and examples.

Referring to fig. 1, an embodiment of the present application provides a magnet assembling apparatus, which includes a slide rail 1, a magnet group placing box 2, and a plurality of receiving fixture blocks 3 arranged in parallel with the slide rail 1; the magnet group placing box 2 comprises a box body 21 which is connected with the slide rail 1 in a sliding way and is used for accommodating the magnet group 6, and an abutting component 22 which extends into the box body 21 and is used for abutting against the magnet group 6; the receiving fixture 3 is provided with a bracket 30, and the bracket 30 is used for clamping and separating the magnet at one end of the magnet group 6 far away from the abutting assembly 22 in the process of sliding the box body 21 along the sliding rail 1.

For the magnets in the stacked state, which are arranged in a straight line in the state of lowest free energy, the present embodiment provides a magnet assembling apparatus for the magnet group 6 arranged in a straight line with N and S poles connected end to end. Magnet group 6 is placed in magnet group places box body 21 of box 2, and magnet group 6 is stretched into the butt subassembly 22 butt of box body 21, and box body 21 is followed the gliding in-process of slide rail 1, and magnet group 6 is pressed in proper order to a plurality of bracket 30 of receiving fixture block 3 that set up side by side with slide rail 1 by the butt piece. In this way, under the action of the tangential force, the magnet at the end of the magnet group 6 far from the abutment assembly 22 is pulled off the magnet group 6, so that the magnet is separated from the magnet group 6, and the magnet is further mounted at a specific position of the product.

The embodiment provides a magnet rigging equipment can reach following beneficial technological effect at least:

the magnet assembling apparatus provided in the present embodiment can separate the magnets from the magnet group 6 attracted to each other with extremely high efficiency; the workload of workers who are responsible for separating the magnets from the magnet group 6 is saved, the operating efficiency of the workers is improved, and meanwhile, the damage of the workers to fingers or nails caused by long-time repeated work can be avoided; by further designing the shapes of the bracket 30 and the inner cavity of the box body 21, the magnet assembling equipment can be suitable for strip magnets consisting of magnet groups 6 of different types and shapes; the magnets can be broken off from the magnet group 6 according to the preset N-level and S-level directions and clamped in the bracket 30, so that the situation that magnetic poles are reversely arranged in the further installation operation is avoided, and the error rate of the installation process is reduced.

Referring to fig. 1, as a specific embodiment of the present embodiment, the length and the width of the bracket 30 are respectively matched with the length and the width of the magnet, and the depth of the bracket 30 is slightly smaller than the height of the magnet. Such an arrangement ensures that each time the magnet assembly 6 is moved across the bracket 30, the receiving fixture 3 is separated from the magnet assembly 6 by a single magnet, and prevents the single magnet from falling off the bracket 30 due to the attraction or other stresses of the magnet assembly 6.

Referring to fig. 1, fig. 3 and fig. 4, as a specific solution of the present embodiment, the box body 21 includes a box body main portion 211 and a connecting portion 212 for connecting the box body 21 and the slide rail 1, the connecting portion 212 is provided with a slide rail hole 2120, the slide rail 1 passes through the slide rail hole 2120, and the connecting portion 212 is connected to the slide rail 1 through a linear bearing. The connecting part 212 is connected with the slide rail 1 through a linear bearing, so that the friction force between the slide rail 1 and the connecting part 212 can be greatly reduced, and the stability of the box body 21 in the motion along the slide rail 1 is improved.

Referring to fig. 3 to 6, in an embodiment of the present application, the abutting assembly 22 includes an abutting table 224 for abutting the magnet assembly 6, a top rod 222 slidably connected to the abutting table 224, a gland 221 connected to the top rod 222, and a first spring 223 sleeved outside the top rod 222 and abutting against the abutting table 224 and the gland 221 at the same time. When the pressing cover 221 is buckled on the box body 21, the first spring 223 arranged along the push rod 222 applies pushing force to the abutting table 224 through the pressing cover 221, and when the box body 21 moves to the position where the magnet group 6 is opposite to the bracket 30, the magnet group 6 is automatically ejected out, so that the pressing cover 221 is buckled on the box body 21, and then the process of 'the box body 21 slides along the guide rail 23 → the magnet separated from the magnet group 6 is taken out from the bracket 30' is repeated for multiple times, all the magnets in the magnet group 6 can be separated, and the work efficiency of separating the magnet from the magnet group 6 by the magnet assembling equipment is improved.

Referring to fig. 5 and 8, in an embodiment of the present application, a guide rail is disposed in the box body 21, two opposite sides of the guide rail are respectively provided with a first groove 231 and a second groove 232, and the first groove 231 and the second groove 232 are communicated with each other through a gap 233 disposed at a bottom surface of the first groove 231; the second recess 232 is for accommodating the magnet group 6, the first recess 231 is for accommodating the plunger 222 and the first spring 223, the abutment stage 224 passes through the slit 233, and the abutment stage 224 is for transmitting the elastic force of the first spring 223 to the magnet group 6 in the case 21. The mandril 222 sleeved with the first spring 223 is arranged in the first groove 231, and can play a directional role in the elastic force of the first spring 223, so that the magnet group 6 can be correctly pushed into the bracket 30 by the elastic force of the first spring 223.

Referring to fig. 5 and 8, as a specific solution of this embodiment, the depth and width of the second groove 232 are matched with the shape of the cross section of the magnet in the horizontal direction, the magnet set 6 formed by connecting the magnets end to end can be properly placed in the second groove 232, and under the elastic force of the first spring 223 and the tangential force when the box body 21 moves along the slide rail 1 and slides across the brackets 30, the magnets in the magnet set 6 are sequentially separated.

Referring to fig. 3, 4 and 6, in an embodiment of the present application, a clamping boss 2211 is disposed on a side surface of the pressing cover 221, and a jaw assembly 24 engaged with the clamping boss 2211 is disposed on an outer side of the box body 21; the claw assembly 24 comprises a claw 241, the claw 241 comprises a clamping portion 2411 for clamping the clamping boss 2211, a hinge portion 2412 connected with the clamping portion 2411 and hinged with the box body 21, and a pressing portion 2413 connected to one side of the hinge portion 2412 far away from the clamping portion 2411; pawl assembly 24 further includes a second spring 242 that abuts both pressing portion 2413 and case 21.

Referring to fig. 3, 4 and 6, as a preferred embodiment of the present invention, two opposite side surfaces of the box body 21 are provided with the jaw assemblies 24, and the pressing cover 221 is provided with two clamping bosses 2211 which are matched with the jaw assemblies 24. The pressing cover 221 is pressed downwards, so that the pressing cover 221 can be buckled at the top end of the box body 21 through the clamping and grabbing assembly and the clamping boss 2211, the box body 21 is further translated along the sliding rail 1, and then the magnets can be separated from the magnet group 6; after the separation of the magnet group 6 is completed, the claw 241 can rotate around the hinge portion 2412 only by pressing the pressing portions 2413 of the two claws 241 at the same time, and the clamping portion 2411 is separated from the clamping boss 2211, so that the pressing cover 221 can be taken out and a new magnet group 6 can be installed. Because two jaw assemblies 24 are respectively arranged on two opposite side surfaces of the box body 21, when the pressing cover 221 is taken out, a worker only needs to pinch two pressing portions 2413 with one hand and pinch the pressing cover 221 with the other hand, so that the pressing cover 221 can be taken out of the box body 21, and the efficiency of assembling the magnet group 6 into the box body 21 is greatly improved.

In one embodiment of the present application, the bottom of the bracket 30 is provided with an adsorption hole for accommodating a ferromagnetic adsorption member; or, an adsorption groove for accommodating the ferromagnetic adsorption piece is arranged on one side of the receiving fixture block 3, which is opposite to the bracket 30. Further, fixed the setting has the ferromagnetism to adsorb the piece in adsorbing hole or adsorption tank, can exert an adsorption affinity to magnet when magnet joint holds in the palm the groove 30 in, avoids magnet to break away from and holds in the palm groove 30 and adsorb on other work pieces that have the ferromagnetism.

Referring to fig. 1, in an embodiment of the present application, the magnet assembling apparatus further includes a working table 4, a mounting table 41 is further disposed on an upper surface of the working table 4, the sliding rail 1 is connected to the mounting table 41, a mounting groove 411 is disposed on a surface of the mounting table 41 facing the sliding rail 1, the mounting groove 411 and the receiving fixture block 3 are disposed in a one-to-one manner, and a depth of the mounting groove 411 is equal to a height of the receiving fixture block 3. Thus, the upper surface of the receiving block 3 is flush with the upper surface of the mounting table 41, the case 21 with the magnet assembly 6 mounted thereon can slide smoothly along the slide rail 1 with low resistance, and the lower surface of the magnet assembly 6 is stroked over the upper surface of the receiving block and the upper surface of the mounting table 41, pressed into the bracket 30 by the first spring 223 at the bracket 30, and separates the magnets at the end of the magnet assembly 6 as the case 21 slides.

Referring to fig. 1, as a specific solution of this embodiment, the magnet assembling apparatus includes three receiving fixture blocks 3, the three receiving fixture blocks 3 are sequentially arranged along the axial direction of the slide rail 1, three mounting grooves 411, which are one-to-one arranged with the receiving fixture blocks 3, are arranged on a surface of the mounting table 41 facing the slide rail 1, and the three magnets can be separated from the magnet assembly 6 after the box body 21 slides along the slide rail 1 once.

Referring to fig. 1 as a specific solution of this embodiment, the length and width of the mounting groove 411 may be slightly greater than those of the receiving fixture 3, but after the receiving fixture 3 is placed in the mounting groove 411, the distance between the side surface of the receiving fixture 3 and the side surface of the mounting groove 411 is smaller than the width of the magnet, so that the magnet group 6 can smoothly slide across the upper surface of the receiving fixture 3 and the upper surface of the mounting table 41, and separate the magnet at the bottom end at the bracket 30.

Referring to fig. 1 and fig. 2, in an embodiment of the present application, the magnet assembling apparatus further includes a driving assembly 42 disposed in the working table 4, the driving assembly 42 includes a driver 421 and a conductive rod 422 disposed parallel to the sliding rail 1, the box body 21 is connected to the conductive rod 422, and the driver 421 drives the box body 21 to translate along the sliding rail 1 through the conductive rod 422. As a preferred scheme of this embodiment, two control buttons 423 are disposed on the table top of the workbench 4, and the two control buttons 423 are respectively used for controlling the driver 421 to drive the box body 21 to move towards the two ends of the sliding rail 1 through the conducting rod 422.

More specifically, the driving assembly 42 further includes a restricting member for restricting a moving range of the cartridge body 21. Preferably, the limiting member is a solenoid valve, and the solenoid valve is used for controlling the actuator 421 to stop working when the box body 21 is about to contact with the two ends of the sliding rail 1, so as to prevent the actuator 421 from idling.

In one embodiment of the present application, the driver 421 employs a cylinder, the conducting rod 422 employs a columnar guide rod, and the cylinder directly drives the box body 21 to translate along the sliding rail 1 through the columnar guide rod; or, the driver 421 adopts a motor, the conduction rod 422 adopts a screw rod, the box body 21 is in threaded connection with the screw rod, and the motor drives the box body 21 to translate along the slide rail 1 by driving the screw rod to rotate.

Referring to fig. 7, in an embodiment of the present application, the magnet assembling apparatus further includes a magnet-powered pen 5 for taking out the magnet from the bracket 30, the magnet-powered pen 5 includes a pen shaft 51, a magnet attraction head 52 disposed at one end of the pen shaft 51, and a magnetic field generator 53 disposed in the magnet attraction head 52; specifically, a small-sized strong magnet may be used for the magnetic field generator 53, and an electromagnetic coil may be used for the magnetic field generator 53.

The magnetic field generated by the magnet suction pen 5 is stronger than the magnetic field generated by the adsorption piece with ferromagnetism, so that the magnet can be taken out from the bracket 30 by using the magnet suction pen 5 to contact the separated magnet in the bracket 30, thereby greatly facilitating the actual operation of workers and being beneficial to the design of full-automatic separation equipment.

In addition, to the magnet that does not have the fool-proof design, the magnetic pole condition of adorning conversely still appears easily in the assembling process, sets up magnetic field generator 53 and produces the magnetic field of predetermineeing the direction, can avoid the staff to adorn magnet inversely because of the error, error rate when having reduced assembly magnet in the production line.

For the solution of using a small-sized strong magnet as the magnetic field generator 53, it is preferable that a translation device for moving the strong magnet up and down along the pen shaft 51 is provided in the pen shaft 51 to control the magnetic field intensity at the magnetic attraction head 52; for the solution using the electromagnetic coil as the magnetic field generator 53, it is preferable that a simple circuit for controlling the direction and magnitude of the current of the electromagnetic coil is provided in the pen shaft 51 to control the magnetic field strength and direction at the magnetic tip 52.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. A magnet assembling device is characterized by comprising a slide rail, a magnet group placing box and a plurality of receiving clamping blocks arranged in parallel with the slide rail; the magnet group placing box comprises a box body which is connected with the slide rail in a sliding way and is used for accommodating the magnet group, and an abutting component which extends into the box body and is used for abutting against the magnet group; the receiving fixture block is provided with a bracket which is used for clamping and separating the magnet at one end of the magnet group far away from the abutting component in the process that the box body slides along the slide rail.

2. The magnet assembling apparatus of claim 1, wherein said abutting assembly includes an abutting table for abutting said magnet group, a push rod slidably connected to said abutting table, a press cover connected to said push rod, and a first spring fitted over said push rod and abutting both said abutting table and said press cover.

3. The magnet assembling apparatus according to claim 2, wherein a guide rail is provided in said case, a first groove and a second groove are provided on opposite sides of said guide rail, respectively, said first groove and said second groove being communicated with each other through a gap provided on a bottom surface of said first groove; the second recess is used for holding the magnet group, first recess is used for holding the ejector pin with first spring, the butt joint platform passes the gap, just the butt joint platform is used for with the elastic force transmission of first spring extremely magnet group in the box body.

4. The magnet assembling device according to claim 2, wherein a clamping boss is arranged on the side surface of the gland, and a jaw assembly matched with the clamping boss is arranged on the outer side of the box body; the clamping jaw assembly comprises a clamping jaw, the clamping jaw comprises a clamping part for clamping the clamping boss, a hinged part connected with the clamping part and hinged with the box body, and a pressing part connected with one side of the hinged part far away from the clamping part; the jaw assembly further comprises a second spring which abuts against the pressing portion and the box body simultaneously.

5. The magnet assembling apparatus of claim 1, wherein the bottom of said bracket is provided with an absorption hole for accommodating a ferromagnetic absorption member; or an adsorption groove for accommodating the ferromagnetic adsorption piece is arranged on one side of the receiving fixture block, which is back to the bracket.

6. The magnet assembling device according to claim 1, wherein said magnet assembling device further comprises a workbench, a mounting table is further disposed on an upper surface of said workbench, said slide rail is connected to said mounting table, a mounting groove is disposed on a surface of said mounting table facing said slide rail, said mounting groove is disposed in one-to-one correspondence with said receiving fixture block, and a depth of said mounting groove is equal to a height of said receiving fixture block.

7. The magnet assembling apparatus of claim 6, further comprising a driving assembly disposed in said working table, said driving assembly including a driver and a conducting rod disposed parallel to said slide rail, said box body being connected to said conducting rod, said driver driving said box body to translate along said slide rail via said conducting rod.

8. The magnet assembling apparatus of claim 7, wherein said actuator is a cylinder, said conduction rod is a cylindrical guide rod, and said cylinder directly drives said box body to translate along said slide rail through said cylindrical guide rod; or the driver adopts a motor, the conduction rod adopts a screw rod, the box body is in threaded connection with the screw rod, and the motor drives the screw rod to rotate to drive the box body to translate along the slide rail.

9. The magnet assembly device of claim 1, further comprising a magnet wand for removing a magnet from the bracket, the magnet wand including a shaft, a magnet tip disposed at one end of the shaft, and a magnetic field generator disposed within the magnet tip.

10. The magnet assembling apparatus of claim 9, wherein said magnetic field generator employs a strong magnet; alternatively, the magnetic field generator employs an electromagnetic coil.

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