TWI797011B - Magnetic part and its manufacturing method and suspension device with magnetic part - Google Patents

Abstract

A magnetic part and its manufacturing method, and a suspension device with the magnetic part. The suspension device with the magnetic part includes a magnetic-conducting part and a magnetic part. The magnetically permeable part extends along an axis and includes a first magnetically permeable end portion and a second magnetically permeable end portion oppositely disposed along an axial direction. The magnetic part includes a first connecting end and a second connecting end oppositely disposed along the axial direction, and the magnetic part can generate a magnetic field and is movably mounted on the magnetically conductive part along the axial direction. The N pole and S pole extend along the axial direction and are respectively located on two opposite sides of the axis. When the magnetic member is in an extended position relative to the magnetic member, the magnetic member generates a magnetic attraction force that magnetically attracts the magnetic member. The first magnetically conductive end portion of the magnetically conductive member is moved along the axial direction toward the first connecting end portion for reset.

Description

Magnetic part and its manufacturing method and suspension device with magnetic part

The invention relates to a suspension device, in particular to a magnetic part, its manufacturing method and a suspension device with the magnetic part.

An existing suspension device, such as a suspension device applied to a motor suspension, generally uses a spring or a pneumatic cylinder as a return element.

However, after a long period of use of the suspension device, the spring will be fatigued due to the gradual force generated by deformation, resulting in a decrease in the return speed or reciprocating operation speed, which is not conducive to the stable use of the precision mechanism. The pneumatic cylinder will have the problem of gas loss leading to a drop in air pressure, which will directly cause the failure of the reset function.

Therefore, the first object of the present invention is to provide a magnetic element that can improve at least one of the aforementioned disadvantages.

Therefore, the magnetic element of the present invention can generate a magnetic field and is movably installed on a magnetically conductive element extending along an axis, and the magnetically conductive element includes a first magnetically conductive end portion and a first magnetically conductive end portion and a The second magnetically conductive end portion, the magnetic piece includes a main body, a first connection end portion, a second connection end portion, a plurality of magnets, and an adhesive layer.

The main body extends along the axis and is mounted on the magnetic guide member movably along the axis. The first connecting end portion is disposed at one end of the main body along the axial direction. The second connecting end portion is disposed at the other end of the main body opposite to the first connecting end portion along the axial direction. The magnets are fixed side by side in the main body along the axial direction, the N pole and S pole of each magnet are respectively located on two opposite sides of the axial axis, and the N pole of each magnet is connected to the adjacent magnet. The N pole, the S pole of each magnet is connected to the S pole of the adjacent magnet. The adhesive layer is glued between the magnets and the main body. When the magnetic member is in a stretched position relative to the magnetic member, the magnets generate a magnetic attraction force that magnetically attracts the magnetic member to make the magnetic member The first magnetically conductive end portion moves along the axial direction toward the first connecting end portion and resets.

The second object of the present invention is to provide a method for manufacturing the magnetic member of the magnetic member.

Then, the manufacturing method of the magnetic part of the present invention comprises the following steps:

(A) Prepare a body extending along an axis, and a plurality of unsaturated magnets.

(B) Detect and mark the N pole and S pole of each magnet.

(C) The magnets are sequentially connected to each other through an adhesive along an axial direction parallel to the axis and fixed to the main body by adhesion, so that the N pole and S pole of each magnet are respectively located on two opposite sides of the axis, and each The N pole of a magnet is connected to the N pole of the adjacent magnet, and the S pole of each magnet is connected to the S pole of the adjacent magnet.

(D) Carrying out saturation magnetization to the magnets so that the magnets and the main body after being magnetized form the magnetic member.

The third object of the present invention is to provide a suspension device with the magnetic component.

Therefore, the suspension device with magnetic components of the present invention includes a magnetic conductive component and a magnetic component.

The magnetically permeable member extends along an axis and includes a first magnetically permeable end portion and a second magnetically permeable end portion oppositely disposed along an axial direction parallel to the axis. The magnetic part includes a first connecting end and a second connecting end oppositely disposed along the axial direction, and the magnetic part can generate a magnetic field and is movably mounted on the magnetically conductive part along the axial direction. The N pole and S pole extend along the axial direction and are respectively located on two opposite sides of the axis. When the magnetic member is in an extended position relative to the magnetic member, the magnetic member generates a magnetic attraction force that magnetically attracts the magnetic member. The first magnetically conductive end portion of the magnetically conductive member is moved along the axial direction toward the first connecting end portion for reset.

The effect of the present invention is that: when the magnetic member is located at the extended position relative to the magnetic member, the magnetic member generates magnetic attraction to the magnetic member so that the first magnetic end of the magnetic member moves along the axis. The magnetic attraction force resets toward the first connection end.

The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments. Before the present invention is described in detail, it should be noted that the relative position terms used in the following descriptions, for example, "front", "rear", "left", "Right", "upper" and "lower" are based on the orientation shown in each figure and the normal use orientation, and it should be noted that similar components are denoted by the same number.

Referring to Fig. 1 to Fig. 3, a first embodiment of the suspension device 100 with magnetic parts of the present invention is suitable for being installed on a linear module 7, the linear module 7 has a body 71, and a movably arranged on The sliding seat 72 of the body 71 .

The suspension device 100 with magnetic elements includes a magnetic element 1 , a magnetic element 2 , and a sliding bearing 3 .

The magnetic guide 1 extends along an axis L and defines a cavity 11 around the axis L. As shown in FIG. And the magnetically conductive part 1 includes a first magnetically conductive end 12 connected to the sliding seat 72 through a plate and a screw (not shown), and an axial direction X parallel to the axis L opposite to the first magnetically conductive end portion 12. The second magnetic end portion 13 of the magnetic end portion 12 .

The magnetic component 2 is movably installed in the cavity 11 of the magnetic permeable component 1 along the axis X. As shown in FIG. And the magnetic member 2 includes a main body 21 extending along the axis L and movably installed in the cavity 11 of the magnetic conducting member 1 along the axial direction X, and one end of the main body 21 is arranged along the axial direction X and The first connection end 22 of the sliding seat 72 is connected through the plate and the screw, and a second end arranged at the other end of the main body 21 opposite to the first connection end 22 along the axial direction X and pierced through the chamber 11 . Two connecting ends 23 , a plurality of magnets 24 fixed in parallel in the main body 21 along the axis X, and an adhesive layer 25 adhered between the magnets 24 and the main body 21 .

The main body 21 is hollow cylindrical and has an inner peripheral surface 211 defining an accommodating space 212 around the axis L. As shown in FIG.

The magnets 24 are disposed in the accommodating space 212 and connected to the inner peripheral surface 211 of the main body 21 through the adhesive layer 25 . The N pole 241 and the S pole 242 of each magnet 24 are respectively located on two opposite sides of the axis L, and the N pole 241 of each magnet 24 is connected to the N pole 241 of the adjacent magnet 24, and the S pole of each magnet 24 242 connects the S poles 242 of the adjacent magnets 24 .

In this embodiment, the magnetically conductive member 1 is a magnetically conductive material that can be attracted by the magnets 24, such as iron, steel, nickel, etc., and the adhesive layer 25 is applied to the magnets 24 and the main body 21 by an adhesive. The inner peripheral surface 211 is formed after curing.

Therefore, the magnetic element 2 can generate a magnetic field and move relative to the magnetically permeable element 1 along the axial direction X, and the N poles 241 and the S poles 242 of the magnetic element 2 are aligned along the axial direction X and located respectively opposite sides of the axis L. In other variations of this embodiment, the magnetic member 2 may also only include a long magnet (not shown) extending along the axis X, and the N pole and S pole of the magnet are along the axis X. X extends and is located on two opposite sides of the axis L, and should not be limited thereto.

The sliding bearing 3 extends along the axis X and is fixed in the cavity 11 of the magnetic member 1 and surrounds the main body 21 of the magnetic member 2, so that the magnetic member 2 can smoothly move along the magnetic member 1. The axis X slides.

The following describes the reciprocating process of the linear module 7 through the suspension device 100 with magnetic parts of this embodiment as follows.

Referring to Fig. 1, Fig. 2, Fig. 4 to Fig. 5, in the present embodiment, the body 71 of the linear module 7 can be installed on a frame (not shown) and electrically connected to one for driving the sliding seat 72 to move up and down. motor (not shown).

When the motor drives the sliding seat 72 to move down, and makes the magnetic conducting member 1 in an extended position relative to the magnetic member 2 (see FIG. 2 ) and the motor removes the external force applied to the magnetic conducting member 1 The magnets 24 of the magnetic member 2 generate a magnetic attraction force that magnetically attracts the magnetic member 1 so that the first magnetic end portion 12 of the magnetic member 1 moves toward the first connecting end portion 22 along the axial direction X. Move, so that the magnetic member 1 moves and resets relative to the magnetic member 2 to a positioning position (see FIG. 5 ), and the sliding seat 72 and the main body 71 are folded in parallel.

Compared with the conventional suspension device that utilizes springs or pneumatic cylinders to produce different reset forces during different strokes, resulting in unstable reset, in this embodiment, the magnetic guide 1 is compared with the When the positioning position is moved to the position of different strokes, all will be attracted by the same magnetic force, so that the sliding seat 72 can be reset more stably through the suspension device 100 with magnetic parts in this embodiment, and the sliding seat 72 can be further improved. Accuracy of mobile positioning.

Therefore, in the first embodiment of the suspension device 100 with magnetic parts of the present invention, when the magnetic-conductive part 1 is located at the extended position relative to the magnetic part 2, the magnetic-conductive part 1 is magnetically attracted by the magnets 24 The magnetic attraction force that makes the first magnetically conductive end 12 of the magnetically permeable part 1 move and reset along the axial direction X toward the first connecting end 22 can make the magnetically permeable part 1 stably overcome the downward gravity and accurately Ground reset, so can really reach the purpose of the present invention.

Referring to Fig. 2 and Fig. 3, in the present embodiment, the method for making the magnetic part of the present invention of the magnetic part 2 comprises the following steps S1 to S4:

Step S1: Prepare a hollow cylindrical main body 21 extending along the axis L, and a plurality of unsaturated magnetized magnets 24, the main body 21 has an inner peripheral surface 211 defining an accommodating space 212 around the axis L .

Step S2: Detect and mark the N pole 241 and the S pole 242 of each magnet 24 .

Step S3: Connect the magnets 24 to each other through an adhesive (not shown) in sequence along an axis X parallel to the axis L, and arrange them in the accommodating space 212 and connect the inside of the main body 21 through the adhesive Circumferential surface 211, make N pole 241 and S pole 242 of each magnet 24 be located at two opposite sides of this axis L respectively, and N pole 241 of each magnet 24 connects N pole 241 of adjacent this magnet 24, each The S pole 242 of the magnet 24 is connected to the S pole 242 of the adjacent magnet 24 , and the adhesive is cured to form the adhesive layer 25 .

Step S4: Perform saturation magnetization on the magnets 24 to form the magnet 24 and the main body 21 after being magnetized into the magnetic component 2 .

Because the magnetic field intensity of the unsaturated magnetized magnet 24 described in the step S1 is less than the magnetic field intensity of the saturated magnetized magnet 24 described in the step S4, the same magnetic poles of the magnets 24 can be reduced in the step S3. The difficulty of parallel connection to improve the convenience of production.

Therefore, the magnetic piece 2 made by the magnetic piece manufacturing method of the present invention can be manufactured and sold separately, and can be applied to the magnetically conductive piece 1 of the suspension device 100 with magnetic pieces, and can make the magnetically conductive piece 2 The magnetic part 1 can stably overcome the downward gravitational force and reset accurately, so the object of the present invention can be truly achieved.

Referring to FIG. 1 , FIG. 2 , FIG. 6 , and FIG. 7 , a second embodiment of a suspension device 200 with magnetic components in the present invention includes a magnetic conductive component 4 , a magnetic component 5 , and a sliding bearing 6 . The appearance of the magnetic member 4 of the second embodiment is similar to that of the magnetic member 2 of the first embodiment, and the magnetic member 5 of the second embodiment is similar to that of the magnetic member 1 of the first embodiment Appearance, the difference is:

In this embodiment, the magnetically permeable member 4 extends along the axis L and includes a first magnetically permeable end portion 41 and a second magnetically permeable end portion 42 oppositely disposed along the axis X. The first magnetically conductive end portion 41 is connected to the body 71 of the linear module 7 through a plate and screws.

The magnetic component 5 includes a main body 51 , a first connecting end portion 52 , a second connecting end portion 53 , a plurality of magnets 54 , and an adhesive layer 55 .

The main body 51 has an inner sleeve 511 surrounding the axis L and through which the magnetic permeable member 4 can move, and an outer sleeve 512 surrounding the inner sleeve 511 . The first connecting end 52 and the second connecting end 53 are located on two opposite sides of the outer sleeve 512 along the axial direction X, and the first connecting end 52 is connected to a screw (not shown) through a plate. on the slider 72.

The magnets 54 surround the inner bushing 511 in parallel connection along the axis X and are glued between the inner bushing 511 and the outer bushing 512 through the adhesive layer 55 .

The N pole 541 and the S pole 542 of each magnet 54 are respectively located on two opposite sides of the axis L, and the N pole 541 of each magnet 54 is connected to the N pole 541 of the adjacent magnet 54, and the S pole of each magnet 54 542 connects the S poles 542 of the adjacent magnets 54 .

The sliding bearing 6 is located in the inner sleeve 511 and passes through the magnetic element 4 , so that the magnetic element 4 can smoothly move relative to the magnetic element 5 along the axis X.

Therefore, in the second embodiment of the suspension device 200 with magnetic parts of the present invention, when the magnetic conductive part 4 is located at the extended position relative to the magnetic part 5, the magnetic conductive part 4 is magnetically attracted by the magnets 54 The magnetic attraction force that makes the first connecting end 52 of the magnetic piece 5 move and reset toward the first magnetically conductive end 41 of the magnetically conductive piece 4 along the axial direction X can make the magnetic piece 5 stably overcome the downward force. Gravity and reset exactly, so can really reach the purpose of the present invention.

In this embodiment, the manufacturing method of the magnetic member of the present invention for making the magnetic member 5 includes the following steps S1' to S4':

Step S1 ′: Prepare a main body 51 and a plurality of unsaturated magnets 54 , the main body 51 includes an inner sleeve 511 surrounding the axis L, and an outer sleeve 512 surrounding the inner sleeve 511 .

Step S2 ′: Detect and mark the N pole 541 and the S pole 542 of each magnet 54 .

Step S3': connecting the magnets 54 to each other sequentially along the axis X through adhesive, each magnet 54 surrounds the inner sleeve 511 and is connected to the inner sleeve 511 and the outer sleeve through the adhesive 512, so that the N pole 541 and S pole 542 of each magnet 54 are respectively located on two opposite sides of the axis L, and the N pole 541 of each magnet 54 is connected to the N pole 541 of the adjacent magnet 54, each The S pole 542 of the magnet 54 is connected to the S pole 542 of the adjacent magnet 54 , and the adhesive layer 55 is formed after the adhesive is cured.

Step S4 ′: Perform saturation magnetization on the magnets 54 to form the magnet 54 and the main body 51 after being magnetized into the magnetic member 5 .

Therefore, the magnetic member 5 made by the magnetic member manufacturing method of the present invention can be applied to the magnetic member 4 of the suspension device 200 with magnetic members, so that the magnetic member 5 can stably overcome the downward gravity and accurately Ground reset, so can really reach the purpose of the present invention equally.

But the above-mentioned ones are only embodiments of the present invention, and should not limit the scope of the present invention. All simple equivalent changes and modifications made according to the patent scope of the present invention and the content of the patent specification are still within the scope of the present invention. Within the scope covered by the patent of the present invention.

100,200: Suspension with magnetics 1,4: Magnetic parts 11: chamber 12,41: The first magnetically conductive end 13,42: The second magnetic end 2,5: Magnetic parts 21,51: subject 211: inner peripheral surface 212:Accommodating space 22,52: first connection end 23,53: Second connection end 24,54: magnet 241,541:N pole 242,542: S pole 25,55: Adhesive layer 3,6: sliding bearing 7: Linear module 71: Ontology 72: sliding seat L: axis X: Axial

Other features and effects of the present invention will be clearly presented in the implementation manner with reference to the drawings, wherein: Fig. 1 is a three-dimensional assembled view of a first embodiment of a suspension device with magnetic parts of the present invention installed on a linear module, showing that a magnetic conducting part of the first embodiment is located in an extended position relative to a magnetic part; Fig. 2 is an incomplete sectional view obtained along line II-II in Fig. 1; Fig. 3 is an incomplete partial enlarged view of Fig. 1; Fig. 4 is a view similar to that of Fig. 1, but shows that the magnetically conductive member is located at a positioning position relative to the magnetic member; Fig. 5 is a sectional view taken along line V-V among Fig. 4; 6 is a cross-sectional view of a second embodiment of the suspension device with magnetic parts of the present invention, showing that a magnetic guide part is located at a positioning position relative to a magnetic part; and FIG. 7 is an incomplete partial enlarged view of FIG. 6 .

100: Suspension device with magnetic parts

1: Magnetic parts

11: chamber

12: The first magnetic end

13: The second magnetically conductive end

2: Magnetic parts

21: Subject

211: inner peripheral surface

212:Accommodating space

22: first connection end

23: Second connection end

24: magnet

241: N pole

242: S pole

25: Adhesive layer

3: sliding bearing

L: axis

X: Axial

Claims (10)

A magnetic element, which can generate a magnetic field and is movably mounted on a magnetically permeable element extending along an axis, the magnetically permeable element includes a first magnetically permeable end portion and a second The magnetically conductive end, the magnetic piece contains: a main body, extending along the axis and mounted on the magnetic guide member movably along the axis; A first connecting end portion is arranged at one end of the main body along the axial direction; a second connection end, disposed on the other end of the main body opposite to the first connection end along the axial direction; A plurality of magnets are fixed side by side in the main body along the axial direction, the N pole and S pole of each magnet are located on two opposite sides of the axis, and the N pole of each magnet is connected to the N pole of the adjacent magnet. poles, the S pole of each magnet being connected to the S pole of the adjacent magnet; and An adhesive layer, glued between the magnets and the main body, when the magnetic member is in a stretched position relative to the magnetic member, the magnets generate a magnetic attraction force that magnetically attracts the magnetic member to make the magnetic member The first magnetically conductive end of the component moves and resets toward the first connecting end along the axial direction. The magnetic piece as claimed in claim 1, wherein the main body is hollow cylindrical and has an inner peripheral surface defining an accommodating space around the axis, and the magnets are arranged in the accommodating space and connected through the adhesive layer On the inner peripheral surface of the main body, the magnetic conductive part defines a cavity for the magnetic part to pass through around the axis. The magnetic part as claimed in claim 1, wherein the main body includes an inner bushing around the axis and through which the magnetic permeable part is movably penetrated, and an outer bushing around the inner bushing, the first The connecting end and the second connecting end are located on two opposite sides of the outer sleeve along the axial direction, and each magnet surrounds the inner sleeve and is connected between the inner sleeve and the outer sleeve through the adhesive layer . A method for making a magnetic piece, comprising the steps of: (A) preparing a main body extending along an axis, and a plurality of unsaturated magnetized magnets; (B) Detect and mark the N pole and S pole of each magnet; (C) The magnets are sequentially connected to each other through an adhesive along an axial direction parallel to the axis and fixed to the main body by adhesion, so that the N pole and S pole of each magnet are respectively located on two opposite sides of the axis, and each the N pole of a magnet is connected to the N pole of the adjacent magnet, and the S pole of each magnet is connected to the S pole of the adjacent magnet; and (D) Carrying out saturation magnetization to the magnets so that the magnets and the main body after being magnetized form the magnetic member. The manufacturing method of the magnetic member as described in claim 4, wherein, in the step (A), the main body is hollow cylindrical and has an inner peripheral surface that defines an accommodating space around the axis, and in the step (C ), the magnets are arranged in the accommodating space and connected to the inner peripheral surface of the main body through the adhesive. The manufacturing method of the magnetic member as described in claim 4, wherein, in the step (A), the main body includes an inner sleeve surrounding the axis, and an outer sleeve surrounding the inner sleeve, and in the step ( In C), each magnet surrounds the inner sleeve and is connected between the inner sleeve and the outer sleeve through the adhesive. A suspension device having a magnetic member, comprising: A magnetically permeable member extending along an axis and including a first magnetically permeable end portion and a second magnetically permeable end portion oppositely disposed along an axial direction parallel to the axis; and A magnetic part, including a first connecting end and a second connecting end oppositely arranged along the axial direction, the magnetic part can generate a magnetic field and be movably mounted on the magnetically conductive part along the axial direction, the magnetic part The N pole and S pole extend along the axial direction and are respectively located on two opposite sides of the axis. When the magnetic member is in an extended position relative to the magnetic member, the magnetic member generates a magnetic attraction force that magnetically attracts the magnetic member. The first magnetically conductive end portion of the magnetically conductive member is moved along the axial direction toward the first connecting end portion for reset. The suspension device with magnetic parts as claimed in claim 7, wherein, the magnetically conductive part defines a chamber around the axis, and the magnetic part also includes a hollow cylinder extending along the axis and movable along the axial direction The main body installed in the chamber, a plurality of magnets fixed in parallel in the main body along the axial direction, and an adhesive layer bonded between the magnets and the main body, the first connection end and The second connection ends are located on two opposite sides of the main body along the axial direction, the N pole and S pole of each magnet are respectively located on two opposite sides of the axis, and the N pole of each magnet is connected to the adjacent magnet. The N pole, the S pole of each magnet is connected to the S pole of the adjacent magnet. The suspension device with magnetic parts as claimed in item 7, wherein, the magnetic parts further include a main body, an adhesive layer, and a plurality of magnets, and the main body has a shaft around the axis and for the magnetic conductive part to move An inner shaft sleeve pierced, and an outer shaft sleeve surrounding the inner shaft sleeve, the first connection end and the second connection end are located on opposite sides of the outer shaft sleeve along the axial direction, and the magnets are arranged along the The axial parallel connection surrounds the inner shaft sleeve and is fixed between the inner shaft sleeve and the outer shaft sleeve through the adhesive layer. The N pole and S pole of each magnet are respectively located on two opposite sides of the axis, and The N pole of each magnet is connected to the N pole of the adjacent magnet, and the S pole of each magnet is connected to the S pole of the adjacent magnet. The suspension device with magnetic elements as claimed in claim 7 further includes a sliding bearing disposed between the main body and the magnetic element.

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