CN209398732U - A kind of line slideway auxiliary and guide rail mechanism - Google Patents

Abstract

The utility model relates to a kind of line slideway auxiliary and guide rail mechanisms.The line slideway auxiliary includes: two guide rails and retainer, and rack gear is respectively arranged on the side wall of described two guide rails, and two rack gears are oppositely arranged；The retainer is located between two rack gears, gear is equipped on the retainer, and the gear is located at the outside of the retainer, two rack gears mesh together with the gear；When a guide rail is slided relative to another guide rail walks, retainer is moved with the guide rail of sliding walking, and the gear on retainer is walked between two rack gears.One technical effect of the utility model are as follows: when generating relative motion between two guide rails, the crawl relative to guide rail will not occur for retainer positioned there between.

Description

A kind of line slideway auxiliary and guide rail mechanism

Technical field

The utility model relates to guide rail technical fields, more specifically, the utility model relates to a kind of line slideway auxiliary and Guide rail mechanism.

Background technique

Line slideway auxiliary is more common kinematic pair in machine driving.It usually can according to need and set in guide rail mechanism One group or multiple groups line slideway auxiliary are set, to complete corresponding machine driving.

For traditional line slideway auxiliary, in order to realize the relative motion between two guide rails, usually at two Ball (column) retainer is packed between guide rail.It is realized between two guide rails using the ball (column) in ball (column) retainer Relative motion.Wherein, since ball (column) can bear the load of all directions, so as to smoothly be moved along a straight line.But It is that traditional line slideway auxiliary is when using ball (column) retainer, ball (column) retainer and the ball (column) being arranged thereon It is very easy to generate crawl under the action of unidirectional inertia force.Especially, when line slideway auxiliary does the process to move vertically In, motion state is followed since ball (column) retainer is in float, the rolling that ball (column) retainer can be made and be arranged thereon Pearl (column) is affected by gravity simultaneously, this is very easy to that entire ball (column) retainer is caused to generate downward wriggling, finally It will cause the stuck situation on guide rail of ball (column) retainer, to influence whether machine driving.

It can be seen that be highly desirable to study new linear guide auxiliary structure, with solve it is existing in the prior art at least One problem.

Utility model content

One of the utility model is designed to provide a kind of new solution of line slideway auxiliary.

First aspect according to the present utility model provides a kind of line slideway auxiliary, comprising:

Two guide rails are respectively arranged with rack gear on the side wall of described two guide rails, and two rack gears are oppositely arranged；And

Retainer, the retainer are located between two rack gears, and gear, and the gear are equipped on the retainer Positioned at the outside of the retainer, two rack gears mesh together with the gear；

When a guide rail is slided relative to another guide rail walks, retainer is moved with the guide rail of sliding walking, is protected The gear held on frame is walked between two rack gears.

Optionally, the rack gear integrated molding is on the side wall of the guide rail.

Optionally, the tooth socket on the rack gear is in arc-shaped, the tooth in teeth shape and the rack gear on the gear Groove shape matches.

Optionally, the opposite two sides of the retainer are individually directed cooperation and lead what described two guide rail corresponding positions were arranged Into slot.

Optionally, the gear is provided with one, and the gear is located at the retainer along the medium position of extending direction；

Either,

The gear is provided with multiple, and multiple gears are distributed on the extending direction of the retainer.

Optionally, the rack gear, gear, retainer for gear use teflon material.

Optionally, it is also rotatably connected on the retainer for rolling the rolling element being combined together with guide rail.

Optionally, the rolling element is at least one that retainer opposite sides is arranged in and cooperates respectively with two guide rails Idler wheel.

Optionally, there are four the rolling element settings, and the rolling element is the idler wheel of teflon material.

The second aspect according to the present utility model provides a kind of guide rail mechanism, including straight line described in any of the above embodiments Guideway.

Line slideway auxiliary provided by the embodiment of the utility model encloses the retainer of improvement between two guide rails, when When one guide rail does the walking of sliding back and forth relative to another guide rail, the guide rail that retainer follows sliding to walk moves together, Since the gear on retainer is engaged with the rack gear on two guide rails respectively, can be generated in the process of movement to avoid retainer Crawl relative to guide rail.Also, rack gear is arranged on the outer wall of guide rail, and processing is got up more convenient.Gear is also outer The design for setting formula is more easily replaced after gear wear compared with existing built-in gear.

By the detailed description referring to the drawings to the exemplary embodiment of the utility model, the utility model it is other Feature and its advantage will become apparent.

Detailed description of the invention

The attached drawing for constituting part of specification describes the embodiments of the present invention, and uses together with the description In explanation the principles of the present invention.

Fig. 1 is the structural schematic diagram of line slideway auxiliary provided by the embodiment of the utility model.

Fig. 2 is the structural exploded view of retainer provided by the embodiment of the utility model.

Fig. 3 is the structural schematic diagram of gear provided by the embodiment of the utility model.

Description of symbols:

1- guide rail, 101- guide groove, 2- retainer, 201- pilot hole, 202- mounting groove, 3- gear, 4- rolling element, 5- tooth Item, 6- gear shaft.

Specific embodiment

The various exemplary embodiments of the utility model are described in detail now with reference to attached drawing.It should also be noted that unless another It illustrates outside, the component and the positioned opposite of step, numerical expression and numerical value otherwise illustrated in these embodiments is unlimited The scope of the utility model processed.

Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to this is practical Novel and its application or any restrictions used.

Technology and equipment known to person of ordinary skill in the relevant may be not discussed in detail, but in appropriate situation Under, the technology and equipment should be considered as part of specification.

It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without It is as limitation.Therefore, other examples of exemplary embodiment can have different values.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.

A kind of line slideway auxiliary provided by the embodiment of the utility model, refering to what is shown in Fig. 1, include: two guide rails 1, and The retainer 2 being packed between two guide rails 1.Wherein, rack gear 5 is respectively arranged on the side wall of two guide rails 1, two rack gears 5 are in It is oppositely arranged.Retainer 2 is located between two rack gears 5, gear 3 is equipped on retainer 2, and the gear 3 is located at retainer 2 Outside, two rack gears 5 mesh together with gear 3.Be configured as between two guide rails 1: a guide rail is relative to another Guide rail can slide walking, and when a guide rail is slided relative to another guide rail and walked, retainer 2 can go with sliding The guide rail walked moves together, and the gear 3 on retainer 2 is walked between two rack gears 5.

Line slideway auxiliary provided by the embodiment of the utility model is equipped with the retainer 2 with gear 3 between two guide rails 1. Specifically, when one of guide rail 1 does sliding walking, the guide rail that retainer 2 can follow sliding to walk moves together, keeps Gear 3 on frame 2 meshes together with the rack gear 5 on two 1 side walls of guide rail respectively, rack gear 5 and retainer on two guide rails 1 The transmission ratio of 2 gears 3 immobilizes, so that retainer 2 be made not occur to lead relative to another during following movement The crawl of rail.The line slideway auxiliary of the utility model can be applied in horizontal movement or/and vertical movement.The linear guide Pair is not in the downward crawl of retainer, effectively overcomes existing during horizontal movement or/and vertical movement The defects of technology.

In a specific embodiment of the utility model, the structure of line slideway auxiliary can also be designed are as follows: guide rail There are three tools, is denoted as respectively: the first guide rail, the second guide rail, third guide rail.Wherein, the first guide rail is centrally located, the second guide rail, Third guide rail is located at the two sides of the first guide rail, and is combined together respectively by the two sides of retainer and the first guide rail.This When, the second guide rail, third guide rail can simultaneously and/or individually the first guide rail relative to center slides walking.It is also possible to position The first guide rail in center generates sliding walking relative to the second guide rail and third guide rail of two sides.

Certainly, in line slideway auxiliary, opposite sliding walking form between the setting quantity and guide rail of guide rail can be with Flexibly adjustment and variation according to the actual situation, the utility model to this with no restriction.

Line slideway auxiliary provided by the embodiment of the utility model, refering to what is shown in Fig. 1, guide rail 1 is arranged in rack gear therein 5 On side wall.That is, design of the rack gear 5 using external.The spy that the design of 5 external of rack gear has rack gear easy to process Point can not only reduce difficulty of processing, but also machining accuracy can be improved.Furthermore, it is possible to by the direct integrated molding of rack gear 5 in guide rail Suitable position (referring to Fig. 1, can be formed in the upper position of 1 side wall of guide rail), can suitably reduce rack gear 5 on 1 side wall Width realizes miniaturization, the micromation of rack gear 5.Also, by the way of by 5 integrated molding of rack gear on 1 side wall of guide rail, Have the characteristics that fastness is good and appearance looks elegant.

In addition, rack gear 5 can also be pre-processed, then uses fastener well known in the art, and such as: screw, bolt, riveting Nail etc. is fixed at the suitable position on 1 side wall of guide rail.By the way of fastener stationary rack, torn open conducive to rack gear 5 It unloads.Such as: when 5 serious wear of rack gear needs replacing, rack gear can be disassembled to the rack gear more renewed, it is very convenient.

It is, of course, also possible to rack gear 5 is fixed on the side wall of guide rail 1 using other fixed forms well known in the art, example Such as: welding, adhesive bonding, the utility model to this with no restriction.

In the utility model, refering to what is shown in Fig. 1, the flank of tooth of two rack gears 5 is in opposite setting, the gear 3 on retainer 2 Mesh together respectively with two rack gears 5.In a specific embodiment of the utility model, refering to what is shown in Fig. 1, two teeth The flank of tooth of item 5, the flank of tooth of gear 3 are respectively positioned in horizontal direction.Rack gear 5 is the set-up mode of external on corresponding guide rail 1, And the engagement between gear 3 and two rack gears 5 may be implemented.

Rack gear 5 provided by the embodiment of the utility model is spur rack.The flank of tooth of two rack gears 5 is towards on retainer 2 Gear 3.In a specific embodiment of the utility model, on the flank of tooth of rack gear 5 have several teeth, adjacent two Be formed with tooth socket between a teeth, wherein tooth socket on rack gear 5 is in convex structure, structure processing get up it is more convenient, at This is also relatively low.Certainly, the shape of tooth socket also can according to need and be adjusted flexibly on rack gear 5, such as: the tooth socket etc. of V-type, this reality This is not construed as limiting with novel.

Retainer 2 provided by the embodiment of the utility model, refering to what is shown in Fig. 2, its structure are as follows: the opposite two sides of retainer 2 Cooperation is individually directed in the guide groove 101 that two 1 corresponding positions of guide rail are arranged.Effectively utilize guide groove 101 on guide rail 1 Space retainer 2, the design can be such that retainer 2 is encased between two guide rails 1 just.

In a specific embodiment of the utility model, refering to what is shown in Fig. 2, the opposite two sides of retainer 2 are in three The shape of angular structure, guide groove 101 and 2 two sides of retainer on two 1 side walls of guide rail matches.The structure is simple, also just In assembly.

Certainly, the opposite two sides of retainer 2, which also can according to need, is designed to other shapes.When being designed as other shapes When, guide groove 101 will also be designed to the shape that shape matches therewith on the side wall of two guide rails 1, in order to keep retainer 2 steady Between fixed two guide rails 1 of loading.

Also, it is also rotatably connected on retainer 2 provided by the embodiment of the utility model and exists for rolling cooperation with guide rail 1 Rolling element 4 together.After retainer 2 is packed between two guide rails 1, which is configured as: for making a guide rail can It is walked with being slided relative to another guide rail.

Specifically, rolling element 4 is at least one that 2 opposite sides of retainer is arranged in and cooperates respectively with two guide rails 1 Idler wheel.Rolling element 4 is assembled on retainer 2 for convenience, mounting groove 202 can be set on retainer 2, and rolling element 4 passes through Shaft is mounted in mounting groove 202, and rolling element 4 can generate rolling relative to shaft.

In a specific embodiment of the utility model, with reference to shown in Fig. 1 and Fig. 2, rolling element 4 is provided with four A, four rolling elements 4 are divided into two groups, and two groups of rolling elements are separately positioned on 2 opposite sides of retainer.

Wherein, rolling element 4 can be using the idler wheel of teflon material production.Using idler wheel made of teflon material, The noise generated in rolling process is small, and frictional force is also smaller.Certainly, rolling element 4 can also using it is well known in the art its Its material is made, such as the metal materials such as copper, steel, the utility model to this with no restriction.

It is equipped with gear 3 on the retainer 2 of the utility model, which is located at the outside of retainer 2, also belongs to external Formula design.Since in long-term use, gear 3 can generate a degree of abrasion, influence gear 3 and two rack gears 5 it Between engagement.And in order to make gear 3 remain engaging between two rack gears 5, it is more serious to need replacing abrasion Gear, and the design of external is convenient for replacing gear 3.

In a specific embodiment of the utility model, with reference to Fig. 1 and Fig. 2, gear 3 is rotatably connected on gear On axis 6, the pilot hole 201 for fixed gear shaft 6 is reserved on retainer 2,6 part of gear shaft is fixed at pilot hole In 201.When the abrasion of gear 3 needs replacing to a certain extent, external gear 3 can be replaced, only to ensure gear 3 and two Good meshing relation is kept between rack gear 5.

In order to mesh together gear 3 with two rack gears 5, the teeth shape on gear 3 will be with the tooth socket shape on rack gear 5 Shape matches.Such as: the shape of tooth socket is arc-shaped on rack gear 5, refering to what is shown in Fig. 3, the shape of teeth is also circular arc on gear 3 Shape.

Wherein, the setting quantity of gear 3 can be adjusted flexibly according to actual needs, the utility model to this with no restriction.

In a specific embodiment of the utility model, refering to what is shown in Fig. 1, gear 3 can be set to one, and work as When one gear 3 is set, gear 3 can be made to be located at retainer 2 along the medium position of extending direction.The design, which is conducive to be promoted, to be slided The stationarity of dynamic walking.

In the another embodiment of the utility model, gear 3 may be arranged as it is multiple, when multiple teeth are arranged When taking turns 3, multiple gears 3 can be made to be evenly distributed on the extending direction of retainer 2.The design is conducive to make sliding walking more Add smooth.

Wherein, the setting quantity of teeth can also be adjusted flexibly according to actual needs on gear 3, the utility model to this not It is restricted.In a specific embodiment of the utility model, the teeth on gear 3 are provided with 8, and teeth are in circular arc Shape structure.

Wherein, for retainer 2 such as that can be made of metal material steel, copper, metal material has rigidity good and resistance to The features such as corrosion.Retainer 2 can also be made of the plastic material such as teflon material, and plastic material has light, fortune The small feature of noise is generated in dynamic.Certainly, retainer 2 can also be made of other materials well known in the art, this is practical new Type to this with no restriction.

Wherein, for gear 3 such as that can be made of metal material steel, copper, metal material has rigidity good and wear-resisting The features such as property is good, but biggish noise is easily caused in the process of walking.Gear 3 can also be moulded using such as teflon material Expect material production, plastic material has the characteristics that generation noise is small in light, movement, frictional force is small.Certainly, gear 3 can be with Be made of other materials well known in the art, the utility model to this with no restriction.

Wherein, for rack gear 5 such as that can be made of metal material steel, copper, metal material has rigidity good and wear-resisting The features such as property is good, but biggish noise is also easy to produce when gear 3 is walked on it.Rack gear 5 can also use such as Teflon The production of the plastic materials such as material, although service life is shorter relative to metal material, not when gear 3 is walked on it Easily cause noise.Certainly, rack gear 5 can also be made of other materials well known in the art, and the utility model does not limit this System.

In the utility model, retainer 2, gear 3, rack gear 5 can be made of identical material, can also be using difference Material production.It can according to need and be adjusted flexibly, the utility model is without limitation.One in the utility model is specific real It applies in mode, retainer 2 and gear 3, rack gear 5 are all made of teflon material and are made, and have and generate during sliding walking The small feature of noise.

Line slideway auxiliary provided by the embodiment of the utility model (can be not shown) with external driving device in Fig. 1, Fig. 2, by Driving device drives a guide rail to slide relative to another guide rail and walks.Specifically, driving device can for example use silk The driving device known in the art such as thick stick, motor, those skilled in the art as needed can be with unrestricted choice, the utility model With no restriction to this.

On the other hand, the utility model embodiment additionally provides a kind of guide rail mechanism, including described in any of the above embodiments straight Line guideway.

Guide rail mechanism provided by the embodiment of the utility model can be applied in the machine driving of different mechanical structures, can be suitable Smooth realization horizontal movement or/and vertical movement, the utility model are without limitation.

Although being described in detail by some specific embodiments of the example to the utility model, this field It is to be understood by the skilled artisans that above example merely to be illustrated, rather than in order to limit the scope of the utility model.This Field it is to be understood by the skilled artisans that can not depart from the scope of the utility model and spirit in the case where, to above embodiments It modifies.The scope of the utility model is defined by the following claims.

Claims (10)

1. a kind of line slideway auxiliary characterized by comprising

Two guide rails are respectively arranged with rack gear on the side wall of described two guide rails, and two rack gears are oppositely arranged；And

Retainer, the retainer are located between two rack gears, gear are equipped on the retainer, and the gear is located at The outside of the retainer, two rack gears mesh together with the gear；

When a guide rail is slided relative to another guide rail walks, retainer is moved with the guide rail of sliding walking, retainer On gear walk between two rack gears.

2. line slideway auxiliary according to claim 1, which is characterized in that the rack gear integrated molding is in the guide rail On side wall.

3. line slideway auxiliary according to claim 1, which is characterized in that the tooth socket on the rack gear is in arc-shaped, described Teeth shape on gear matches with the slot form on the rack gear.

4. line slideway auxiliary according to claim 1, which is characterized in that the opposite two sides of the retainer, which are individually directed, matches It closes in the guide groove that described two guide rail corresponding positions are arranged.

5. line slideway auxiliary according to claim 1, which is characterized in that the gear is provided with one, the gear position In the retainer along the medium position of extending direction；

Either,

The gear is provided with multiple, and multiple gears are distributed on the extending direction of the retainer.

6. line slideway auxiliary according to claim 1, which is characterized in that the rack gear, gear, retainer for gear are using special Fluorine dragon material.

7. line slideway auxiliary according to claim 1, which is characterized in that be also rotatably connected on the retainer for Guide rail rolls the rolling element being combined together.

8. line slideway auxiliary according to claim 7, which is characterized in that the rolling element is setting in retainer opposite two Side and respectively at least one idler wheel with the cooperation of two guide rails.

9. line slideway auxiliary according to claim 8, which is characterized in that there are four the rolling element settings, and the rolling Kinetoplast is the idler wheel of teflon material.

10. a kind of guide rail mechanism, which is characterized in that including the described in any item line slideway auxiliaries of claim 1-9.