CN216692052U - Linear module - Google Patents

Abstract

A linear module includes a linear motion unit, a cover unit, a dustproof unit, and a fixing unit; the cover unit is fixed on the linear motion unit, and has a through hole and an accommodating groove, and the through hole penetrates the cover unit and is connected to the accommodating groove. Connected; the dust-proof unit is slidably connected to the receiving groove; the fixing unit is locked in the through hole, so that the cover unit is deformed and the dust-proof unit is clamped; in order to achieve dust-proof, prevent the displacement of the dust-proof sheet, reduce spare parts, and reduce assembly Procedure and time, reduce material cost and assembly cost, etc.

Description

Linear module

technical field

The utility model is related to a linear module, and more specifically refers to a linear module capable of preventing the displacement of the dustproof sheet.

Background technique

In the high-precision manufacturing industry, linear modules are one of the indispensable main parts. A general linear module is mainly composed of a fixed frame, a slide rail set in the fixed frame, a slider slidably connected to the slide rail set, a screw screwed to the slider, and a screw connected to the screw It is composed of a motor to drive the slider to move linearly. However, due to the fact that factories and workshops are prone to dust, and according to different industries, laser cutting dust, welding dust, welding sparks and other foreign objects are easily generated around the linear module. If it is not blocked, it may cause the linear module to run. The timing is not smooth, or even the parts are damaged or the displacement accuracy is poor. Therefore, several patents have disclosed the design of arranging a dust-proof sheet on the linear module to achieve the effect of blocking external foreign objects. However, the structures of these patents still have some problems that need to be improved.

For example, in the patent content disclosed in Japanese Patent No. JP3705641B2, dustproof sheets are arranged in the grooves of the outer cover and the side cover, but the front and rear directions of the dustproof sheets are not restricted, so during operation, the dustproof sheets have It may be displaced by itself. The solution is to add end plates at the front and rear ends to prevent the displacement of the dustproof sheet. As a result, not only will the number of spare parts increase, but also the assembly time and cost will increase significantly.

Another example is the patent content disclosed in Japanese Patent No. JP2000-230618A, wherein many screws are required to pass through the plurality of perforations on the pressing plate and the plurality of perforations on the rubber sheet to lock the rubber sheet on the outer cover. Such a structure will inevitably lead to many accessories, many screws, and high processing and assembly costs.

Utility model content

In view of this, in order to improve the prior art, the conventional linear modules have problems such as easy displacement of the dustproof sheet, many parts, increased assembly procedures and time, and increased material costs and assembly costs. Therefore, the present invention provides A linear module, comprising: a linear motion unit; a cover unit fixed on the linear motion unit, the cover unit has a through hole and an accommodating groove, the through hole penetrates the cover unit and communicates with the accommodating groove a dust-proof unit, which is slidably connected to the receiving groove; and a fixing unit, which is locked in the through hole, so that the cover unit is deformed to clamp the dust-proof unit.

In order to achieve dustproof, prevent the displacement of dustproof sheets, reduce spare parts, reduce assembly procedures and time, reduce material costs and assembly costs and other effects.

Further, the cover unit includes an outer cover and two side covers, the dustproof unit includes two outer cover dustproof sheets and two side cover dustproof sheets, the fixing unit includes two outer cover fixing parts and Two side cover fixing parts, the outer cover is fixed on the top of the linear motion unit; the through holes include an outer cover through hole and a side cover through hole, and the receiving groove includes an outer cover receiving groove and a side cover receiving groove The two sides of the outer cover are respectively provided with an outer cover through hole and an outer cover receiving groove, and the outer cover through hole penetrates the top and bottom surfaces of the outer cover and communicates with the outer cover receiving groove, so The outer cover dustproof sheets are respectively slidably connected to the outer cover receiving grooves, and the outer cover fixing pieces are respectively locked in the outer cover through holes, so as to deform the outer cover and clamp the outer cover dustproof sheets. The side cover is fixed on both sides of the linear motion unit, the side cover has a side cover through hole and a side cover receiving groove, the side cover through hole penetrates the inner and outer sides of the side cover and is connected with the side cover The cover receiving grooves communicate with each other, the side cover dustproof sheets are respectively slidably connected to the side cover receiving grooves, and the side cover fixing members are respectively locked in the side cover through holes, so as to deform the side cover and clamp the side cover. Side cover dust sheet.

Further, at least one convex outer cover pressing protrusion is formed on the groove wall surface of the outer cover receiving groove, and at least one convex side cover pressing protrusion is formed on the groove wall surface of the side cover receiving groove.

Further, the outer cover also has an outer cover penetration groove, the outer cover penetration groove penetrates the outer cover in the axial direction, the upper part of the outer cover penetration groove is an outer cover outer wall, and the lower part of the outer cover penetration groove is an outer cover. The inner wall of the outer cover, the outer cover penetration groove is communicated with the outer cover receiving groove and the outer cover through hole; the side cover also has a side cover penetration groove, the side cover penetration groove axially penetrates the side cover, the side cover The outer side of the cover penetration groove is the outer wall of one side cover, the inner side of the side cover penetration groove is the inner wall of the side cover, the side cover penetration groove is communicated with the side cover receiving groove and the side cover penetration hole; the outer cover penetration hole has an outer cover top through hole penetrating the outer cover outer wall and an outer cover bottom through hole penetrating the outer cover inner wall; the side cover through hole has a side cover outer through hole penetrating the side cover outer wall and a side cover penetrating the side cover inner wall Perforation in the cover; when the outer cover fixing member is locked in the through hole of the outer cover, the outer wall of the outer cover and the inner wall of the outer cover are deformed, so that the pressing protrusion of the outer cover clamps the dustproof sheet of the outer cover; the When the side cover fixing member is locked in the side cover through hole, the outer wall of the side cover and the inner wall of the side cover are deformed, so that the pressing protrusion of the side cover clamps the dustproof sheet of the side cover.

Further, the linear motion unit has a fixed frame, a slide rail set in the fixed frame, a slide block slidably connected to the slide rail set, a screw bolt screwed with the slide block, and a slide rail set connected to the slide rail set. A screw-connected motor is used to drive the slider to perform linear reciprocating displacement with the power provided by the motor.

Further, the outer cover is made in one piece and is in the shape of a rectangular plate; the dustproof sheet of the outer cover is made of a deformable material; the side cover is made in one piece and in the shape of a rectangular plate; the The side cover dust sheet is made of deformable material.

Further, the bottom of the outer cover of the outer cover is perforated with a screw hole, and each outer cover fixing member has at least one screw, the screw penetrates into each outer cover through hole of the outer cover, and the head of the screw is pressed against the head of the outer cover. Pressed on the outer surface of the outer wall of the outer cover, the thread of the screw is screwed with the screw hole; the side cover of the side cover is perforated with a screw hole, and the side cover fixing piece has at least one screw, and the screw penetrates It is inserted into the through hole of the side cover, the head of the screw is pressed against the outer surface of the outer wall of the side cover, and the thread of the screw is screwed with the screw hole.

Further, the outer cover fixing member has at least one elastic buckle, and the elastic buckle is pressed into the outer cover top through hole and the outer cover bottom through hole of the outer cover, so that the outer cover is formed by the elastic buckle The deformation of the outer wall and the inner wall of the outer cover; the side cover fixing member has at least one elastic buckle, and the elastic buckle is pressed into the side cover outer hole and the side cover inner hole of the side cover through hole, so as to be pressed by the elastic button The buckle causes the deformation of the outer wall of the side cover and the inner wall of the side cover.

Further, the outer cover top of the outer cover is perforated as a long hole, the outer cover bottom is perforated as a long hole, the outer cover fixing member has at least one fixing member, and the fixing member has a head, a tail and a The body connected between the head and the tail, the head is circular, the tail is elongated, the outer diameter of the body is smaller than the head and the tail, and the outer diameter of the fixing member of the outer cover fixing member is After the tail part passes through the top hole of the outer cover and the bottom hole of the outer cover, the angle is rotated again, so that the head presses the outer wall of the outer cover, and the tail presses the inner wall of the outer cover, so that the outer wall of the outer cover and the outer cover are pressed against the inner wall of the outer cover. The inner wall of the outer cover is deformed; the outer perforation of the side cover of the side cover is a long hole, the inner perforation of the side cover is a long hole, the side cover fixing member has at least one said fixing member, and the fixing member of the side cover fixing member is After passing through the outer perforation of the side cover and the inner perforation of the side cover, the tail is rotated so that the head presses the outer wall of the side cover, and the tail presses the inner wall of the side cover, so that the outer wall of the side cover is pressed. Deformation with the inner wall of the side cover.

Further, the outer cover fixing member has at least one fixing group, and the fixing group has a screw and a nut, and the screw of the outer cover fixing member passes through the outer cover top through hole of the outer cover through hole and the outer cover. After the bottom is perforated, the nut is screwed with the part where the screw passes through, so that the outer wall of the outer cover and the inner wall of the outer cover are deformed; the side cover fixing piece has at least one said fixing group, and the side cover fixing piece After the screw passes through the side cover outer through hole and the outer cover inner hole, the nut is screwed with the screw through hole, so that the side cover outer wall and the side cover inner wall are deformed.

Description of drawings

1 is an exploded perspective view of a first embodiment of the present invention;

Fig. 2 is a perspective combined view of the embodiment shown in Fig. 1;

Fig. 3 is a partial enlarged schematic view of the embodiment shown in Fig. 1;

FIG. 4 is a schematic view of the assembly action of the embodiment shown in FIG. 1;

FIG. 5 is a schematic view of the assembly action of the embodiment shown in FIG. 1;

Fig. 6 is the partial enlarged schematic diagram shown in the second embodiment of the present utility model;

FIG. 7 is a schematic view of the assembly action of the embodiment shown in FIG. 6;

FIG. 8 is a schematic view of the assembly action of the embodiment shown in FIG. 6;

Fig. 9 is the partial enlarged schematic diagram shown in the third embodiment of the present invention;

Figure 10 is a schematic view of the assembly action of the embodiment shown in Figure 9;

FIG. 11 is a schematic view of the assembly action of the embodiment shown in FIG. 9;

Fig. 12 is a partial enlarged schematic view shown in the fourth embodiment of the present invention;

Figure 13 is a schematic view of the assembly action of the embodiment shown in Figure 12;

FIG. 14 is a schematic view of the assembly operation of the embodiment shown in FIG. 12 .

Symbol Description:

"First Embodiment"

Linear Module 100

Linear motion unit 10

Fixed frame 11 Slide rail group 12

Slider 13 Screw 14

cover 20

Outer cover joint 21 Outer cover groove 211

Outer cover outer wall 212 Outer cover inner wall 213

Cover through hole 214 Cover top through hole 215

Outer cover bottom hole 216 Screw hole 217

Outer cover receiving groove 218 Outer cover clamping protrusion 219

Cover dust sheet 30

Cover fixing 40

Screw 41

Side cover 50 Side cover joint 51

Side cover through groove 511 Side cover outer wall 512

Side cover inner wall 513 Side cover through hole 514

Side cover outer perforation 515 Side cover inner perforation 516

Screw hole 517 Side cover receiving slot 518

Side cover clamping protrusion 519

Side cover dust sheet 60

Side cover fixings 70 Screws 71

"Second Embodiment"

Linear Module 200

cover 20

Outer cover outer wall 212 Outer cover inner wall 213

Cover through hole 214 Cover top through hole 215

Outer cover bottom perforation 216

Outer cover pressing protrusion 219

Cover dust sheet 30

Cover fixing part 40

Elastic buckle 42

side cover 50

Outer perforation of side cover 515

Perforation in side cover 516

Side cover fixing 70

Elastic buckle 72

"Third Embodiment"

Linear Module 300

cover 20

Outer cover outer wall 212 Outer cover inner wall 213

Cover through hole 214 Cover top through hole 215

Outer cover bottom perforation 216 Outer cover pressing protrusion 219

Cover dust sheet 30

Cover fixing part 40

Fixture 43 Head 431

Tail 432 Body 433

side cover 50

Side cover outer perforation 515 Side cover inner perforation 516

Side cover fixing 70

Fixtures 73

"Fourth Embodiment"

Linear Mod 400

cover 20

Outer cover outer wall 212 Outer cover inner wall 213

Cover through hole 214 Cover top through hole 215

Outer cover bottom perforation 216

Outer cover pressing protrusion 219

Cover dust sheet 30

Cover fixing part 40

Fixing group 44 Screw 441

Nut 442

side cover 50

Perforation in side cover 516

Side cover fixing 70

Fixing group 74 Screw 741

Nut 742.

Detailed ways

In order to enable further understanding and recognition of the features of the present utility model and their characteristics, the following preferred embodiments are listed and described in conjunction with the drawings as follows:

Please refer to FIGS. 1 to 5 , a linear module 100 provided by the first preferred embodiment of the present invention includes a linear motion unit 10 , a cover unit, a dustproof unit and a fixing unit, wherein :

Please refer to FIG. 1 , the linear motion unit 10 has a fixed frame 11 , a slide rail set 12 disposed in the fixed frame 11 , a slider 13 slidably connected to the slide rail set 12 , and a slide rail set 12 . The screw 14 threadedly connected with the screw 14 and a motor (not shown in the figure) connected with the screw 14 are provided with power from the motor to drive the slider 13 to move linearly back and forth.

Please refer to FIGS. 1 to 5 , the cover unit includes an outer cover 20 and two side covers 50 . The outer cover 20 is made in one piece and is in the shape of a rectangular plate. The outer cover 20 is fixedly locked on the top of the fixed frame 11 of the linear motion unit 10 . The outer cover 20 has two outer cover joints 21 adjacent to the two side edges. Since the two outer cover joints 21 have the same structure, to avoid repetition, only a single cover joint 21 will be described below. The outer cover joint portion 21 has an outer cover through groove 211, two outer cover through holes 214 and an outer cover receiving groove 218; The upper part of the groove 211 can be defined as an outer cover outer wall 212 , and the lower part of the outer cover through groove 211 can be defined as an outer cover inner wall 213 . , the outer cover through hole 214 is communicated with the outer cover through groove 211 , the outer cover through hole 214 is composed of a cover top through hole 215 penetrating the outer cover outer wall 212 and an outer cover bottom hole penetrating through the outer cover inner wall 213 216, in this embodiment, the bottom through hole 216 of the outer cover is a screw hole 217, the outer cover receiving groove 218 axially penetrates the outer cover 20, the cross section of the outer cover receiving groove 218 is L-shaped, and Connecting with the outer cover through groove 211 and penetrating the bottom surface of the outer cover 20 , the outer cover receiving groove 218 has a convex outer cover pressing protrusion 219 formed on the corresponding groove walls on both sides.

Please refer to FIGS. 1 to 5 , the dustproof unit includes two outer cover dustproof sheets 30 and two side cover dustproof sheets 60 . The two outer cover dustproof sheets 30 are respectively made of soft plastic, rubber, silica gel and other deformable materials, and their cross-sections are generally L-shaped. The two outer cover dustproof sheets 30 are respectively slidably connected to the outer cover receiving grooves 218 of the outer cover joint portions 21 of the outer cover 20 , and partially protrude downwardly out of the outer cover receiving grooves 218 .

Please refer to FIG. 1 to FIG. 5 , the fixing unit includes two outer cover fixing members 40 and two side cover fixing members 70 . The two outer cover fixing members 40 are respectively locked in the outer cover through holes 214 of each outer cover joint portion 21 of the outer cover 20, so that the outer cover wall 212 and the outer cover inner wall 213 are deformed, and the The outer cover pressing protrusion 219 is clamped on the outer cover dustproof sheet 30 to achieve the effect of preventing the outer cover dustproof sheet 30 from generating axial displacement by itself. In this embodiment, each cover fixing member 40 has two screws 41 , and the two screws 41 respectively penetrate into each cover through hole 214 of each cover joint portion 21 , and are pressed by the head of the screw 41 . On the outer surface of the outer wall 212 of the outer cover, the thread of the screw 41 is screwed with the screw hole 217, so that the outer wall 212 of the outer cover and the inner wall 213 of the outer cover can be deformed during locking (as shown in FIG. 5 ). ), and the outer cover pressing protrusion 219 is clamped on the outer cover dustproof sheet 30 .

Please refer to FIG. 1 to FIG. 5 , the two side covers 50 are made in one piece, respectively, and are in the shape of a rectangular plate. The two side covers 50 are fixedly locked on both sides of the fixed frame 11 of the linear motion unit 10 . Each side cover 50 has a side cover engaging portion 51, and the side cover engaging portion 51 has a side cover through groove 511, two side cover through holes 514 and a side cover receiving groove 518; the side cover through groove 511 is along the axis Through the side cover 50, the outer side of the side cover through groove 511 can be defined as a side cover outer wall 512, and the inner side of the side cover through groove 511 can be defined as a side cover inner wall 513, and the two side covers pass through The holes 514 are separated by a certain distance and penetrate through the inner and outer sides of the side cover 50 . The side cover through holes 514 communicate with the side cover through grooves 511 . The side cover through holes 514 are formed by a side cover outer through hole 515 penetrating the side cover outer wall 512 . and an inner hole 516 of the side cover penetrating the inner wall 513 of the side cover. In this embodiment, the inner hole 516 of the side cover is a screw hole 517, the side cover receiving groove 518 axially penetrates the side cover 50, the The cross-section of the side cover receiving groove 518 is L-shaped, and communicates with the side cover through groove 511 and penetrates through the top surface of the side cover 20. The side cover receiving groove 518 is formed on the corresponding groove walls on both sides. There is a raised side cover pressing projection 519 .

Please refer to FIG. 1 to FIG. 5 , the two side cover dustproof sheets 60 are respectively made of soft plastic, rubber, silicone and other deformable materials, and their cross-sections are generally L-shaped. The two side cover dustproof sheets 60 are respectively slid into the side cover receiving grooves 518 of the side cover joints 51 of each side cover 50, and partially protrude upwards out of the side cover receiving grooves 518, so that the side cover The dustproof sheet 60 and the outer cover dustproof sheet 30 are staggeredly attached inside and outside, so as to achieve the dustproof effect of blocking external foreign objects from entering the linear motion unit 10 .

Please refer to FIGS. 1 to 5 , the two side cover fixing members 70 are respectively locked in the side cover through holes 514 of the side cover engaging portions 51 of each side cover 50 , so that the side cover outer wall 512 and the side cover inner wall are locked respectively. 513 is deformed, and the side cover pressing protrusion 519 is clamped on the side cover dustproof sheet 60 to achieve the effect of preventing the side cover dustproof sheet 60 from generating axial displacement by itself. In this embodiment, each side cover fixing member 70 has two screws 71 , and the two screws 71 respectively penetrate into each side cover through hole 514 of each side cover joint portion 51 , and are pressed by the head of the screw 71 . On the outer side of the side cover outer wall 512, the thread of the screw 71 is screwed with the screw hole 517, so that the side cover outer wall 512 and the side cover inner wall 513 can be deformed during locking (as shown in FIG. 5 ). ), and the side cover pressing protrusion 519 is clamped on the side cover dustproof sheet 60 .

It is worth mentioning that one of the outer cover 20 and the side covers 50 may not have any joints (the outer cover joint 21 and the side cover joint 51 ), and the outer cover dustproof sheet 30 can be directly (or the side cover dustproof sheet 60 ) is fixed to the outer cover 20 (or the side covers 50 ), depending on the needs of the user.

Therefore, the above is the introduction of the various components of the linear module 100 and the assembling method thereof provided by the first preferred embodiment of the present invention, and then the use characteristics of the linear module 100 are introduced as follows:

First, the utility model can not only achieve the effect of dustproof. Wherein, after the outer cover dustproof sheet 30 is slidably connected with the outer cover 20, the outer cover dustproof sheet 30 is clamped by a small amount of outer cover fixing members 40 after being locked to the outer cover 20. Therefore, it can not only prevent The axial movement of the outer cover dustproof sheet 30 eliminates the need to provide a large number of screw holes and screws on the outer cover 20 and the outer cover dustproof sheet 30, thereby reducing the processing procedures and costs (side cover, side cover dustproof sheet It is the same as the effect that can be achieved between the side cover fixing parts, so I won't go into details).

In addition, in the present invention, the outer cover, the side cover, the outer cover dustproof sheet and the side cover dustproof sheet are all made in one piece, which can reduce the number of spare parts and greatly reduce the time required for assembly, so as to benefit the cost The mass production of utility models can achieve the effect of enhancing market competitiveness.

Please refer to FIG. 6 to FIG. 8 , which is a linear module 200 provided by the second preferred embodiment of the present invention. Its main structure is the same as that of the first embodiment. :

In this embodiment, the top through-hole 215 and the bottom through-hole 216 of the outer cover 20 and the side-cover outer through-hole 515 and the side-cover inner through-hole 516 of the side cover 50 are through holes without screw holes.

The outer cover fixing member 40 has two elastic pressing buttons 42 ; the side cover fixing member 70 also has two elastic pressing buttons 72 (the elastic pressing buttons are conventional techniques, and will not be described in detail, please refer to FIG. 6 , FIG. 7 and Figure 8).

The elastic snap 42 of the cover fixing member 40 is pressed into the cover top through hole 215 and the cover bottom through hole 216 of the cover through hole 214 , so that the elastic snap 42 causes the cover outer wall 212 and the cover The inner wall 213 of the outer cover is deformed (as shown in FIG. 8 ), and the pressing protrusions 219 of the outer cover are clamped on the dustproof sheet 30 of the outer cover, so as to prevent the dustproof sheet 30 of the outer cover from being axially displaced. , the assembling method of the elastic pressing buckle 72 of the side cover fixing member 70 is the same as that of the elastic pressing buckle 42 of the outer cover fixing member 40 , which will not be repeated.

Please refer to FIG. 9 to FIG. 11 , which is a linear module 300 provided by the third preferred embodiment of the present invention, the main structure of which is the same as that of the first embodiment. :

In this embodiment, the outer cover top perforation 215 of the outer cover 20 is a long hole, the outer cover bottom perforation 216 of the outer cover 20 is a long hole; the side cover outer perforation 515 of the side cover 50 is a long hole, The inner through hole 516 of the side cover 50 is a long hole.

The outer cover fixing member 40 has two fixing members 43 . The fixing member 43 has a head portion 431 , a tail portion 432 and a body portion 433 connected between the head portion 431 and the tail portion 432 . The head portion 431 is in the shape of a circle. The tail portion 432 is elongated, the outer diameter of the body portion 433 is smaller than the head portion 431 and the tail portion 432 ; the side cover fixing member 70 has two fixing members 73 , and the structure of the fixing member 73 is the same as that of the aforementioned fixing member 43 . are the same and need not be repeated here.

After the tail portion 432 of the fixing member 43 of the outer cover fixing member 40 compliantly passes through the outer cover top through hole 215 and the outer cover bottom through hole 216 of the outer cover through hole 214, it is rotated about 90 degrees, so that the head 431 The outer cover 212 is pressed against the outer cover, and the tail 432 is pressed against the outer cover inner wall 213 , so that the outer cover 212 and the outer cover inner wall 213 are deformed (as shown in FIG. 11 ), and the outer cover is pressed to protrude The portion 219 is clamped on the outer cover dustproof sheet 30 to achieve the effect of preventing the outer cover dustproof sheet 30 from axial displacement. The assembly method of the fixing member 73 of the side cover fixing member 70 is the same as that of the outer cover fixing member 40 The fixing member 43 is the same, and will not be described in detail.

Please refer to FIG. 12 to FIG. 14 , which is a linear module 400 provided by the fourth preferred embodiment of the present invention, the main structure of which is the same as that of the first embodiment. :

In this embodiment, the bottom through hole 216 of the outer cover 20 and the inner through hole 516 of the side cover 50 are through holes, and no screw holes are required.

The outer cover fixing member 40 has two fixing groups 44, the fixing group 44 has a screw 441 and a nut 442; the side cover fixing member 70 has two fixing groups 74, the fixing group 74 has a screw 741 and a nut 442 Nut 742. After the screw 441 of the cover fixing member 40 passes through the cover top through hole 215 and the cover bottom hole 216 of the cover through hole 214, the nut 442 is screwed with the part where the screw 441 passes through, so that the The outer wall 212 of the outer cover and the inner wall 213 of the outer cover are deformed (as shown in FIG. 14 ) to be clamped on the dustproof sheet 30 of the outer cover by the pressing protrusion 219 of the outer cover, so as to prevent the dustproof sheet of the outer cover from being clamped. 30 The effect of axial displacement, the assembling method of the fixing group 74 of the side cover fixing member 70 is the same as that of the fixing group 44 of the outer cover fixing member 40, and will not be repeated.

The above disclosure is only the preferred embodiment provided by the present utility model, and is not intended to limit the scope of implementation of the present utility model. All those skilled in the art according to the present utility model should make equal changes. It belongs to the scope covered by the present invention.

Claims (10)

1. a linear module, is characterized in that, comprises: Linear motion unit; a cover unit fixed on the linear motion unit, the cover unit has a through hole and an accommodating groove, the through hole penetrates the cover unit and communicates with the accommodating groove; A dust-proof unit is slidably connected to the receiving groove; and The fixing unit is locked in the through hole to deform the cover unit and clamp the dustproof unit. 2 . The linear module according to claim 1 , wherein the cover unit includes an outer cover and two side covers, and the dustproof unit includes two outer cover dustproof sheets and two side cover anti-dust sheets. 3 . Dust flakes, the fixing unit includes two outer cover fixing parts and two side cover fixing parts, the outer cover is fixed on the top of the linear motion unit; the through hole includes an outer cover through hole and a side cover through hole, the The accommodating groove includes an outer cover accommodating groove and a side cover accommodating groove; the two sides of the outer cover are respectively provided with an outer cover through hole and an outer cover accommodating groove, and the outer cover through hole penetrates the outer cover The top and bottom surfaces of the outer cover are communicated with the outer cover receiving grooves, the outer cover dustproof sheets are respectively slidably connected to the outer cover receiving grooves, and the outer cover fixing pieces are respectively locked in the outer cover through holes, so that the The outer cover deforms and clamps the dustproof sheet of the outer cover. The side cover is fixed on both sides of the linear motion unit. The side cover has a side cover through hole and a side cover receiving groove. The cover through hole penetrates the inner and outer sides of the side cover and communicates with the side cover receiving groove, the side cover dustproof sheets are respectively slidably connected to the side cover receiving groove, and the side cover fixing members are respectively locked on the side The cover penetrates the hole to deform the side cover and clamp the side cover dustproof sheet. 3 . The linear module according to claim 2 , wherein at least one protruding outer cover pressing protrusion is formed on the groove wall surface of the outer cover receiving groove, and the groove wall surface of the side cover receiving groove is formed. 4 . At least one convex side cover pressing convex portion is formed thereon. 4 . The linear module according to claim 3 , wherein the outer cover further has an outer cover penetration groove, the outer cover penetration groove penetrates the outer cover in the axial direction, and the upper part of the outer cover penetration groove is An outer cover outer wall, the lower part of the outer cover penetration groove is an outer cover inner wall, the outer cover penetration groove is communicated with the outer cover receiving groove and the outer cover through hole; the side cover also has a side cover penetration groove, the The side cover penetration groove runs through the side cover in the axial direction, the outer side of the side cover penetration groove is the outer wall of the side cover, the inner side of the side cover penetration groove is the inner wall of the side cover, the side cover penetration groove and the side cover receiving groove , the side cover through hole is connected; the outer cover through hole has an outer cover top through hole penetrating the outer wall of the outer cover and an outer cover bottom through hole penetrating the inner wall of the outer cover; the side cover through hole has a penetrating hole through the side cover outer wall When the outer cover fixing member is locked in the outer cover through hole, the outer wall of the outer cover and the inner wall of the outer cover are deformed, so that the outer cover is deformed. The pressing protrusion clamps the dustproof sheet of the outer cover; when the side cover fixing member is locked in the side cover through hole, the outer wall of the side cover and the inner wall of the side cover are deformed, so that the pressing protrusion of the side cover clamps the side cover Side cover dust sheet. 5 . The linear module according to claim 1 , wherein the linear motion unit has a fixed frame, a slide rail set in the fixed frame, and a slider slidably connected to the slide rail set. 6 . , a screw screwed with the slider and a motor connected with the screw, so as to be powered by the motor to drive the slider to perform linear reciprocating displacement. 6 . The linear module according to claim 2 , wherein the outer cover is made in one piece and is in the shape of a rectangular plate; the dustproof sheet of the outer cover is made of a deformable material; the The side cover is made in one piece and is in the shape of a rectangular plate; the side cover dustproof sheet is made of a deformable material in one piece. 7 . The linear module according to claim 4 , wherein the outer cover bottom of the outer cover is perforated as a screw hole, and each outer cover fixing member has at least one screw, and the screw penetrates through the outer cover of the outer cover. 8 . Each outer cover penetrates through the hole, the head of the screw is pressed against the outer surface of the outer wall of the outer cover, and the thread of the screw is screwed with the screw hole; the side cover of the side cover is perforated into a screw hole , the side cover fixing piece has at least one screw, the screw penetrates into the side cover through hole, the head of the screw is pressed against the outer surface of the outer wall of the side cover, and the thread of the screw is connected with the screw hole. screwed. 8 . The linear module of claim 4 , wherein the outer cover fixing member has at least one elastic buckle, and the elastic buckle is pressed into the outer cover top through hole of the outer cover through hole and the outer cover. 9 . In the bottom through hole, the deformation of the outer wall of the outer cover and the inner wall of the outer cover is caused by the elastic buckle; the side cover fixing member has at least one elastic buckle, and the elastic buckle is pressed into the side cover outside the side cover through hole The perforations are in the inner perforations of the side cover, so that the deformation of the outer wall of the side cover and the inner wall of the side cover is caused by the elastic pressing. 9 . The linear module according to claim 4 , wherein the top of the outer cover is perforated as a long hole, the bottom of the outer cover is perforated with a long hole, and the outer cover fixing member has at least one fixed hole. 10 . The fixing piece has a head, a tail and a body connected between the head and the tail, the head is circular, the tail is elongated, and the outer diameter of the body is smaller than the head After passing through the top perforation and the bottom perforation of the outer cover, the rear part of the fixing part of the outer cover fixing part is rotated, so that the head presses the outer wall of the outer cover, and the tail part Press the inner wall of the outer cover to cause deformation of the outer wall of the outer cover and the inner wall of the outer cover; the outer perforation of the side cover of the side cover is a long hole, the inner perforation of the side cover is a long hole, and the side cover fixing member has at least a fixing piece, the tail of the fixing piece of the side cover fixing piece passes through the outer perforation of the side cover and the inner perforation of the side cover, and then rotates the angle so that the head presses the outer wall of the side cover, and the The tail is pressed against the inner wall of the side cover, so that the outer wall of the side cover and the inner wall of the side cover are deformed. 10 . The linear module of claim 4 , wherein the outer cover fixing member has at least one fixing group, the fixing group has a screw and a nut, and the screw of the outer cover fixing member passes through the outer cover fixing member. 11 . After the top through-hole of the outer cover and the bottom of the outer cover are perforated, the nut is screwed with the part where the screw passes through, so that the outer wall of the outer cover and the inner wall of the outer cover are deformed; the side cover fixing member has At least one of the fixing groups, after the screw of the side cover fixing member passes through the side cover outer through hole and the outer cover inner hole, the nut is screwed with the part through which the screw passes, so that the The outer wall of the side cover and the inner wall of the side cover are deformed.

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