Linear module for suppressing dust generation

Abstract

To provide a linear module capable of reducing dust emission.SOLUTION: A linear module includes: a track unit; a slider; an outer cover; a dust-proof belt; and two magnetic combination members respectively disposed at both facing sides of the slider. Each of the magnetic combination members includes at least one magnetic element for attracting the dust-proof belt magnetically and a holder. The holder includes: a support part for supporting the at least one magnetic element; a first position restriction part which is connected to the support part and used to restrict a position relative to the at least one magnetic element on a first axial direction; and at least one second position restriction part which is connected to the support part and used to restrict a position relative to the at least one magnetic element in a second axial direction. The second position restriction part at least partially inclines relative to the support part. The structure not only reduces dust emission but also enables convenient attachment of the magnetic element by using the magnetic element having preferable magnetism.SELECTED DRAWING: Figure 4

Description

Technical Field

[0001] The present invention relates to a linear module, and more particularly to a linear module that suppresses dust generation and is easy to attach a magnetic element.

Background Art

[0002] In conventional patent documents, for example, Patent Document 1 below discloses a linear module that suppresses dust generation. In this Patent Document 1, in order to suppress dust generation, a technique of improving a magnet to magnetically adsorb a dustproof belt is disclosed, and this technique directly perforates the magnet and locks the magnet to a slider.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Patent Document 2

Patent Document 3

Summary of the Invention

Problems to be Solved by the Invention

[0004] However, in the above-described conventional technology, since the magnetism of the magnet and the materials used are limited by the magnet forming method, only magnets with weak magnetism can be adopted in this technology. In addition, when an excessive force is applied when locking the magnet, the magnet is damaged.

[0005] Therefore, the inventor of the present invention considered that the above-mentioned drawbacks can be improved, and as a result of repeated intensive studies, the present invention was proposed to effectively improve the above-mentioned problems by a rational design.

[0006] The present invention has been made in view of such circumstances, and an object thereof is to provide a linear module that suppresses dust generation. In order to overcome the problems of the prior art, not only is dust generation suppressed, but also a magnetic element with suitable magnetism can be made more usable, and the attachment of the magnetic element can be made more convenient.

Means for Solving the Problems

[0007] In order to solve the above problems, a linear module for suppressing dust generation, which is an aspect of the present invention, includes a track unit extending in the displacement axis direction, a slider slidably installed in the track unit in the displacement axis direction, an outer cover installed on the slider, a dust-proof belt disposed so as to pass between the slider and the outer cover and fixed to the track unit, and two magnetic combination members respectively disposed on both opposing sides of the slider. Each of the magnetic combination members includes at least one magnetic element for magnetically adsorbing the dust-proof belt and a holder fixed to the slider for accommodating at least one of the magnetic elements. The holder includes a support portion for supporting at least one of the magnetic elements, a first position limiting portion connected to the support portion and limiting the position of at least one of the magnetic elements in a first axial direction, and at least one second position limiting portion connected to the support portion and limiting the position of at least one of the magnetic elements in a second axial direction, at least a partial portion of the second position limiting portion being inclined with respect to the support portion, and the first axial direction being not parallel to the second axial direction.

[0008] In the linear module according to the present invention, the first position limiting portion and the second position limiting portion are provided by the holder, which not only limits the position of the magnetic element, but also does not require perforating and locking the magnetic element, and the magnetic element can be conveniently attached.

[0009] In a preferred example of the present invention, the included angle between at least a part of the second position limiting part and the supporting part is more than 0 degrees and less than 90 degrees.

[0010] In a preferred example of the present invention, the second position limiting part includes a first part connected to the supporting part and a second part away from the supporting part and connected to the first part, and the included angle between the first part and the second part is more than 0 degrees and less than 90 degrees.

[0011] In a preferred example of the present invention, the first part of the second position limiting part is connected to the first position limiting part.

[0012] In a preferred example of the present invention, the second part moves between a passing position and a blocking position. When the second part is in the passing position, at least one of the magnetic elements moves in the second axial direction. When the second part is in the blocking position, the movement of at least one of the magnetic elements in the second axial direction is restricted.

[0013] In a preferred example of the present invention, a first engaging structure is installed on the supporting part, and a second engaging structure adapted to the first engaging structure is installed on the second part.

[0014] In a preferred example of the present invention, the holder is connected to the first position limiting part and further includes a third position limiting part for restricting the position of at least one of the magnetic elements in a third axial direction, and the first axial direction, the second axial direction, and the third axial direction are not parallel to each other.

[0015] In a preferred example of the present invention, both the first position limiting part and the third position limiting part are composed of a plurality of members.

[0016] In a preferred example of the present invention, the holder is connected to the supporting part and further includes a fourth position limiting part for restricting the position of at least one of the magnetic elements in the first axial direction, and the first position limiting part and the fourth position limiting part are respectively located on opposite sides of the supporting part.

[0017] In a preferred example of the present invention, the holder is made of a non-magnetic material.

[0018] In a preferred example of the present invention, the slider includes a fixed platform and a slide base connected to the fixed platform. The dust-proof belt is disposed between the fixed platform and the outer cover, the holder is installed on one side of the slide base, and at least one of the magnetic elements is located at a position of 116% to 160% with respect to the length of the fixed platform in the displacement axis direction.

Brief Description of the Drawings

[0019]

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Mode for Carrying Out the Invention

[0020] Hereinafter, embodiments of the present invention will be described with reference to the drawings. It should be noted that the present invention is not limited to the following embodiments, and various forms can be adopted as long as they belong to the technical scope of the present invention.

[0021] First, with reference to FIGS. 1 to 8, a linear module for suppressing dust generation according to the present invention will be described.

[0022] The linear module for suppressing dust generation according to the present invention includes a track unit 10, a slider 20, an outer cover 30, a dust-proof belt 40, two magnetic combination members 50, and a plurality of balls 60. Each will be described below.

[0023] <Track Unit 10> It is arranged to extend in the displacement axis direction X. For example, the track unit 10 includes a track base 11, two side covers 12, two end caps 13, and two magnetic strips 14. The track base 11 is a U-shaped base body extending along the displacement axis direction X and includes a bottom 111 and two side walls 112 respectively connected to both opposite sides of the bottom 111. Slots 113 for inserting the two side covers 12 are respectively provided at the upper parts of the two side walls 112, so that the track base 11 and the two side covers 12 jointly form a slide channel CH. Track rolling grooves 114 are respectively provided on the inner surfaces of the two side walls 112. Long slots 121 for inserting corresponding magnetic strips 14 are respectively provided at the upper parts of the two side covers 12. The two end caps 13 are respectively fixed to both end faces of the track base 11 facing each other in the displacement axis direction X and shield the slide channel CH in the lateral direction. Each of the side covers 12 is fixed to the two end caps 13.

[0024] <Slider 20> It is slidably installed within the slide channel CH of the track unit 10 in the displacement axis direction X. For example, the slider 20 includes a slide base 21 and a fixed platform 22 attached to the slide base 21. Slide rolling grooves 212 are respectively recessed in opposite side surfaces 211 of the slide base 21. The two slide rolling grooves 212 respectively correspond to the two track rolling grooves 114, and the individual slide rolling grooves 212 and the corresponding track rolling grooves 114 jointly form a return channel for rolling the ball 60 therein.

[0025] <Outer cover 30> It is attached to the fixed platform 22 of the slider 20. The dust-proof belt 40 is a metal belt and is arranged to pass between the slider 20 and the outer cover 30. Both ends of the dust-proof belt 40 facing each other in the displacement axis direction X are fixed to both sides facing each other in the displacement axis direction X of the track unit 10, for example, fixed to the two end caps 13. Both ends of the dust-proof belt 40 facing each other in the axial direction Q orthogonal to the displacement axis direction X are adsorbed by the magnetic strip 14. In this way, the dust-proof belt 40 seals between the two side covers 12, suppresses the displacement of the dust-proof belt 40, and the dust-proof belt 40 shields the slide channel CH in the longitudinal direction.

[0026] <Two magnetic combination members 50> They are respectively installed on opposite sides of the slider 20 in the displacement axis direction X. Each of the magnetic combination members 50 includes a holder 51 and two magnetic elements 52.

[0027] <Holder 51> The magnetic element 52 is accommodated and installed on one side of the slider 20, and is fixed to the end face (i.e., the mounting surface 213) of the slide base 21 that faces the end cap 13 in the displacement axis direction X, for example. However, the present invention is not limited thereto. For example, in this embodiment, the holder 51 includes two mounting portions 511, a support portion 512, a first position limiting portion 513, and a second position limiting portion 514. The mounting portion 511 is fixed to the mounting surface 213 of the slide base 21. The support portion 512 is connected to the mounting portion 511 and supports the magnetic element 52. The first position limiting portion 513 is connected to the support portion 512 and limits the position of the magnetic element 52 in the first axial direction D1. The second position limiting portion 514 is connected to the support portion 512 and limits the position of the magnetic element 52 in the second axial direction D2. The first axial direction D1 is not parallel to the second axial direction D2. For example, the first axial direction D1 is orthogonal to the second axial direction D2. The extension plane of the support portion 512 is parallel to the first axis direction D1 and the second axis direction D2, and the first axis direction D1 is parallel to the displacement axis direction X.

[0028] At least a partial second position limiting portion 514 is inclined with respect to the support portion 512. For example, the included angle between at least a partial second position limiting portion 514 and the support portion 512 is greater than 0 degrees and less than 90 degrees. In this embodiment, the second position limiting portion 514 has, for example, a curved shape greater than 0 degrees and less than 90 degrees, and includes a first portion 5141 connected to the support portion 512 and a second portion 5142 connected to the first portion 5141. The included angle θ1 between the first portion 5141 and the second portion 5142 is greater than 0 degrees and less than 90 degrees, and the included angle θ2 between the second portion 5142 and the support portion 512 is greater than 0 degrees and less than 90 degrees, but the present invention is not limited thereto. By connecting the first portion 5141 of the second position limiting portion 514 to the first position limiting portion 513 and jointly forming a flat plate shape, the included angle between the first position limiting portion 513 and the second portion 5142 of the second position limiting portion 514 is also greater than 0 degrees and less than 90 degrees. In other embodiments, the second position limiting portion may be modified to be completely separated from the first position limiting portion. Or, in a situation where the second position limiting portion is completely separated from the first position limiting portion, the second position limiting portion may be modified to omit the installation of the second portion, and the first portion is inclined and the included angle with the support portion is greater than 0 degrees and less than 90 degrees.

[0029] In this embodiment, the holder 51 further includes another second position limiting portion 514 that is connected to the support portion 512 and limits the position of the magnetic element 52 in the second axial direction D2. The two second position limiting portions 514 are respectively located on opposite sides of the first position limiting portion 513. In other embodiments, the holder may be modified to provide only one second position limiting portion.

[0030] In this embodiment, the holder 51 further includes a third position limiting portion 515 that is connected to the first position limiting portion 513 and limits the position of the magnetic element 52 in the third axial direction D3. The included angle between the third position limiting portion 515 and the first position limiting portion 513 is greater than 0 degrees and less than 180 degrees, for example, substantially about 90 degrees. The first axial direction D1, the second axial direction D2, and the third axial direction D3 are not parallel to each other, for example, are perpendicular to each other. In other embodiments, the installation of the third position limiting portion may be omitted.

[0031] In this embodiment, both the first position limiting part 513 and the third position limiting part 515 are integral members. In other embodiments, at least one of the first position limiting part and the third position limiting part may be modified to be composed of a plurality of members.

[0032] In this embodiment, the holder 51 is connected to the support part 512 and further includes a fourth position limiting part 516 that limits the position with respect to the magnetic element 52 in the first axial direction D1. The first position limiting part 513 and the fourth position limiting part 516 are respectively located on both opposite sides of the support part 512. In other embodiments, the holder may be modified to omit the installation of the fourth position limiting part, or the fourth position limiting part may be modified to be integrated with other members (for example, the mounting part) to form one member.

[0033] In this embodiment, both the second position limiting part 514 and the third position limiting part 515 are installed on one side close to the mounting surface 213 of the support part 512. In other embodiments, at least one of the second position limiting part and the third position limiting part may be modified to be installed on one side away from the mounting surface of the support part.

[0034] In this embodiment, since the holder 51 is made of a non-magnetic material, it prevents the influence on the magnetic permeability of the magnetic element 52 and also prevents the situation where the slider 20 affects the operation of the members near the linear module during operation. For example, it prevents the situation where the sensor near the linear module is affected by magnetic force and the measurement accuracy decreases.

[0035] In this embodiment, the holder 51 is made of a metal with low elasticity (for example, sheet metal or aluminum material, but the present invention is not limited thereto). In other embodiments, for example, it may be modified to be made of other materials such as elastic metals (for example, spring steel or stainless steel, but the present invention is not limited thereto) or polymer materials (for example, plastic, but the present invention is not limited thereto), but the present invention is not limited to these.

[0036] The magnetic element 52 is, for example, a magnet capable of magnetically adsorbing the dust-proof belt 40. After the magnetic element 52 is attached and positioned, the upper surface 521 of the magnetic element 52 is lower than the upper surface of the side cover 12. There is a gap between the dust-proof belt 40 and the upper surface 521 of the magnetic element 52, and there is also a gap between the dust-proof belt 40 and the bottom surface 31 of the outer cover 30. By doing so, when the magnetic element 52 is displaced relative to the dust-proof belt 40, the magnetic element 52 magnetically adsorbs the dust-proof belt 40, so that the dust-proof belt 40, the fixed platform 22, and the outer cover 30 maintain a distance. And, since there is also a gap between the dust-proof belt 40 and the magnetic element 52, the dust-proof belt 40 does not rub against the slider 20, the outer cover 30, and the magnetic element 52 to generate dust and fine particles. By doing so, the linear module operates normally and the standards of the working environment are maintained. In this embodiment, the number of magnetic elements 52 may be modified to one or more according to the magnetic force requirement of the system and the magnetic force strength of the magnetic element 52 itself.

[0037] In this embodiment, the magnetic element 52 (the surface closest to the mounting surface of the slider) is installed, for example, at a position of about 116% to 160% with respect to the length of the fixed platform 22 in the displacement axis direction X, but the present invention is not limited thereto. By doing so, the portion of the dust-proof belt 40 within the projection range of the outer cover 30 effectively covers the slide channel CH, preventing the dust at the work place from entering the track unit 10 and affecting the operation of the linear module.

[0038] The process of attaching the magnetic element 52 to the holder 51 will be exemplarily described below. Before attaching the magnetic element 52 to the holder 51, the second position limiting part 514 is arranged in a curved shape exceeding 90 degrees and less than 180 degrees or in a flat plate shape perpendicular to the support part 512 in the initial state. In this situation, since the second part 5412 of the second position limiting part 514 is located at the passing position, the magnetic element 52 can freely enter within the range of the support part 512 in the second axial direction D2. After attaching the magnetic element 52 to the holder 51, the second position limiting part 514 curves inward toward the support part 512, and the second part 5412 of the second position limiting part 514 approaches the support part 512 to a predetermined blocking position, thereby restricting or suppressing the movement of the magnetic element 52 in the second axial direction D2. After the second part 5412 of the second position limiting part 514 reaches the blocking position, the second part 5412 of the second position limiting part 514 does not automatically recover to the passing position. In this way, the magnetic element 52 can be continuously positioned at a predetermined position without being perforated and locked.

[0039] The magnetic combination member 70 of the dust-suppressing linear module according to other embodiments shown in FIGS. 9 to 11 includes a holder 71 made of a low-elasticity metal, an elastic metal, or a polymer material, and has an integral mounting part 711, a support part 712, two first position limiting parts 713, two second position limiting parts 714, and two third position limiting parts 715. Each will be described below.

[0040] The mounting part 711 is located on one side close to the mounting surface 221 of the fixed platform 22 of the support part 712 and is fixed to the mounting surface 221. The first position limiting part 713, the second position limiting part 714, and the third position limiting part 715 are all located on the side away from the mounting surface 221 of the support part 712. The two first position limiting parts 713, the two second position limiting parts 714, and the two third position limiting parts 715 are respectively arranged on both sides of the support part 712 facing each other in the axial direction Q perpendicular to the displacement axis direction X. The extension plane of the support portion 512 is parallel to the first axis direction D1 and the second axis direction D2, and the first axis direction D1 is parallel to the displacement axis direction X.

[0041] In this embodiment, the first portions 7141 of the two second position limiting parts 714 are respectively connected to the adjacent first position limiting part 713. The included angle between each first portion 7141 and the second portion 7412 of the second position limiting part 714 is greater than 0 degrees and less than 90 degrees, and the included angle between the second portion 7142 and the support part 712 is greater than 0 degrees and less than 90 degrees. When the first portion 7141 is connected to the first position limiting part 713 and jointly forms a flat plate shape, the included angle between the first position limiting part 713 and the second portion 7142 is also greater than 0 degrees and less than 90 degrees. However, the present invention is not limited thereto. In other embodiments, the second position limiting part may be modified to be completely separated from the first position limiting part. Or, in the situation where the second position limiting part is completely separated from the first position limiting part, the second position limiting part may omit the installation of the second portion, and the first portion may be modified to be inclined and the included angle with the support part is greater than 0 degrees and less than 90 degrees.

[0042] In the example where the holder 71 is made of a metal with low elasticity, before attaching the magnetic element 52 to the holder 71, the second position limiting part 714 is arranged in a curved shape greater than 90 degrees and less than 180 degrees in the initial state, or is arranged in a flat plate shape. In this situation, since the second portion 7412 of the second position limiting part 714 is located at the passing position, the magnetic element 52 can freely enter within the range of the support part 712 in the second axial direction D2. After the magnetic element 52 is attached to the holder 71, the second position limiting part 714 bends inward toward the support part 712, and the second portion 7142 of the second position limiting part 714 approaches the support part 712 to a predetermined blocking position, thereby restricting or suppressing the movement of the magnetic element 52 in the second axial direction D2. After the second portion 7142 of the second position limiting part 714 reaches the blocking position, the second portion 7142 of the second position limiting part 714 does not automatically recover to the passing position. By doing so, the magnetic element 52 is continuously positioned at a predetermined position. The first position limiting portion 713 restricts or suppresses the movement of the magnetic element 52 in the first axis direction D1, and the third position limiting portion 715 restricts or suppresses the movement of the magnetic element 52 in the third axis direction D3.

[0043] Figures 12 to 14 show a magnetic combination member 80 of a linear module for suppressing dust generation according to still another embodiment. The holder 81 includes two mounting portions 811, a support portion 812, an integral first position limiting portion 813, two second position limiting portions 814, an integral third position limiting portion 815, and a fourth position limiting portion 816. The arrangements of the mounting portion 811, the first position limiting portion 813, the third position limiting portion 815, and the fourth position limiting portion 816 refer to the arrangements of the mounting portion 511, the first position limiting portion 513, the third position limiting portion 515, and the fourth position limiting portion 516 of the holder 51, and the description thereof will not be repeated here.

[0044] A first engagement structure 8121 is installed on the support portion 812, and a second engagement structure 8143 that engages with the first engagement structure 8121 is installed on a second portion 8142 of the second position limiting portion 814. The extension plane of the support portion 812 is parallel to the first axis direction D1 and the second axis direction D2, and the first axis direction D1 is parallel to the displacement axis direction X.

[0045] In this embodiment, the holder 81 is made of a polymer material (for example, plastic, but the present invention is not limited thereto). Hereinafter, the process of attaching the magnetic element 52 to the holder 81 will be exemplarily described. Before attaching the magnetic element 52 to the holder 81, the second position limiting portion 814 is arranged in a curved shape that is more than 0 degrees and less than 90 degrees in the initial state. In this situation, the second portion 8142 of the second position limiting part 814 is located at the blocking position, and the second engaging structure 8143 of the second position limiting part 814 is engaged with the first engaging structure 8121 of the supporting part 812, so that the magnetic element 52 cannot enter within the range of the supporting part 812. When attaching the magnetic element 52 to the holder 81, the second position limiting part 814 is flipped upward outward, the second engaging structure 8143 is disengaged from the first engaging structure 8121, and the second portion 8142 of the second position limiting part 814 is separated from the supporting part 812 to the passing position. In this situation, the second position limiting part 814 presents a curved shape exceeding 90 degrees and less than 180 degrees, or presents a flat plate shape, and the magnetic element 52 can freely enter within the range of the supporting part 812 in the second axial direction D2. After attaching the magnetic element 52 to the holder 81, by flipping up the second position limiting part 814, the second engaging structure 8143 is engaged with the first engaging structure 8121, and the second portion 8142 of the second position limiting part 814 is positioned at the blocking position. By doing so, the movement of the magnetic element 52 in the second axial direction D2 is restricted or suppressed. The first position limiting portion 813 and the fourth position limiting portion 816 restrict or suppress the movement of the magnetic element 52 in the first axis direction D1, and the third position limiting portion 815 restricts or suppresses the movement of the magnetic element 52 in the third axis direction D3.

[0046] Figures 15A to 15C further show a magnetic combination member 90 of a linear module for suppressing dust generation according to another embodiment. The holder 91 includes a mounting part 911, a supporting part 912, a first position limiting part, a second position limiting part 914, a third position limiting part 915, and a fourth position limiting part 916. The arrangements of the mounting part 911, the supporting part 912, the first position limiting part, the second position limiting part 914, the third position limiting part 915, and the fourth position limiting part 916 refer to the arrangements of the mounting part 511, the supporting part 512, the first position limiting part 513, the second position limiting part 514, the third position limiting part 515, and the fourth position limiting part 516 of the holder 51, and the description thereof will not be repeated here.

[0047] In this embodiment, the holder 91 is made of elastic metal. Hereinafter, the process of attaching the magnetic element 52 to the holder 91 will be exemplarily described. Before attaching the magnetic element 52 to the holder 91, the second position limiting portion 914 is arranged in a curved shape greater than 0 degrees and less than 90 degrees in the initial state. In this situation, since the second portion 9142 of the second position limiting portion 914 is located at a predetermined block position, the magnetic element 52 cannot enter within the range of the support portion 912. When attaching the magnetic element 52 to the holder 91, by flipping the second position limiting portion 914 outward, the second portion 9142 of the second position limiting portion 914 is separated from the support portion 912 to the passing position. In this situation, the second position limiting portion 914 exhibits a curved shape of 90 degrees or more and less than 180 degrees, and the magnetic element 52 can freely enter within the range of the support portion 912 in the second axial direction. After attaching the magnetic element 52 to the holder 91, by removing the force applied to the second position limiting portion 914 and automatically restoring the second portion 9142 to the block position, the movement of the magnetic element 52 in the second axial direction is restricted or suppressed.

[0048] To sum up the above, due to the design of the structure of the holder, the magnetic combination member according to the present invention can be applied to linear modules of various specifications. In particular, due to the design of the second position limiting portion of the holder, the attachment of the magnetic element is made more convenient and is not restricted by the narrowness of the attachment space. Also, there is no need to drill holes in the magnetic element for attachment, and a magnetic element with high magnetism and small volume can be selected, so not only is the effect of magnetic adsorption of the dust-proof belt enhanced, but the volume occupied by the magnetic combination member is reduced, making it suitable for small linear modules. By positioning the magnetic element and the fixed platform to face each other in the displacement axis direction, the portion of the dust-proof belt within the projection range of the outer cover effectively covers the slide channel, preventing the situation where dust at the work site enters the track unit and affects the operation of the linear module. Also, by selecting a holder made of a non-magnetic material, the influence on the magnetic permeability of the magnetic element is prevented, and the influence on the operation of the members near the linear module is also prevented.

[0049] The present invention can be implemented in various other forms without departing from its spirit or main features. Therefore, the above-described embodiments are merely illustrative in all respects and should not be construed restrictively. The scope of the present invention is indicated by the scope of the claims and is not restricted by the text of the specification. Further, all modifications and changes within the equivalent scope of the claims are within the scope of the present invention.

Explanation of Reference Numerals

[0050] 10 Track unit 11 Track base 111 Bottom 112 Side wall 113 Slot 114 Track rolling groove 12 Side cover 121 Long slot 13 End cap 14 Magnetic strip 20 Slider 21 Slide base 211 Side 212 Slider rolling groove 213 Mounting surface 22 Fixed platform 221 Mounting surface 30 Outer cover 40 Dust-proof belt 50 Magnetic combination member 51 Holder 511 Mounting part 512 Support part 513 First position limiting part 514 Second position limiting part 5141 First part 5142 Second part 515 Third position limiting part 516 Fourth position limiting part 52 Magnetic element 60 Ball 70 Magnetic combination member 71 Holder 711 Mounting part 712 Support Department 713 First Position Limiting Part 714 Second Position Limiting Part 7141 First Part 7142 Second Part 715 Third Position Limiting Part 80 Magnetic Combination Member 81 Holder 811 Mounting Part 812 Support Part 8121 First Engagement Structure 813 First Position Limiting Part 814 Second Position Limiting Part 8142 Second Part 8143 Second Engagement Structure 815 Third Position Limiting Part 816 Fourth Position Limiting Part 90 Magnetic Combination Member 91 Holder 911 Mounting Part 912 Support Part 914 Second Position Limiting Part 9142 Second Part 915 Third Position Limiting Part 916 Fourth Position Limiting Part CH Slide Channel D1 First Axis Direction D2 Second Axis Direction D3 Third Axis Direction Q Axis Direction X Displacement Axis Direction θ1 Included Angle θ2 Included Angle

Claims

1. A track unit extending in the displacement axis direction, A slider slidably installed within the track unit in the displacement axis direction, An outer cover installed on the slider, A dust-proof belt passing between the slider and the outer cover and fixed to the track unit, Two magnetic combination members respectively arranged on opposite sides of the slider, and comprising: Each of the magnetic combination members At least one magnetic element for magnetically adsorbing the dust-proof belt, A holder fixed to the slider and containing at least one of the magnetic elements, and comprising: The holder A support portion for supporting at least one of the magnetic elements, A first position limiting portion connected to the support portion and limiting the position of at least one of the magnetic elements in the first axial direction, At least one second position limiting portion connected to the support portion and limiting the position of at least one of the magnetic elements in the second axial direction, at least a partial portion of the second position limiting portion being inclined with respect to the support portion, and the first axial direction not being parallel to the second axial direction, The extension plane of the support portion being parallel to the first axial direction and the second axial direction, A linear module for suppressing dust generation, characterized in that the first axial direction is parallel to the displacement axis direction and the first axial direction is orthogonal to the second axial direction.

2. The linear module for suppressing dust generation according to claim 1, characterized in that the included angle between at least a partial portion of the second position limiting portion and the support portion is greater than 0 degrees and less than 90 degrees.

3. The second portion of the second position limiting portion moves between a passing position and a blocking position. When the second portion is in the passing position, at least one of the magnetic elements moves in the second axial direction. When the second portion is in the blocking position, the movement of at least one of the magnetic elements in the second axial direction is restricted. The linear module for suppressing dust generation according to claim 2.

4. The linear module for suppressing dust generation according to claim 3, characterized in that a first engagement structure is installed on the support portion and a second engagement structure compatible with the first engagement structure is installed on the second portion.

5. The holder is connected to the first position restricting portion and further includes a third position restricting portion for restricting the position of at least one of the magnetic elements in the third axial direction. The third position restricting portion is positioned to face the support portion, and the first axial direction, the second axial direction, and the third axial direction are perpendicular to each other without being parallel to each other. The linear module for suppressing dust generation according to claim 1, characterized in that.

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