CN219432286U

CN219432286U - Anticollision linear slide

Info

Publication number: CN219432286U
Application number: CN202320932919.9U
Authority: CN
Inventors: 徐永士; 王浩
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-24
Filing date: 2023-04-24
Publication date: 2023-07-28
Anticipated expiration: 2033-04-24

Abstract

The utility model relates to a linear slide block structure, in particular to an anti-collision linear slide block, which comprises a slide block body and cover plates arranged at two side end parts of the slide block body, and is characterized by further comprising: the anti-collision structure is configured on the cover plate and is used for slowing down impact vibration generated when the sliding block body is in contact with the guide rail limiting block, and the anti-collision structure at least comprises a shell arranged on the cover plate, a vibration reduction unit arranged in the shell and a contact piece connected with the vibration reduction unit and one end of which extends to the outer side of the shell, and the anti-collision linear sliding block is capable of avoiding hard contact between the sliding block body and the guide rail limiting block, so that the phenomenon of deflection of balls in the sliding block caused by overlarge impact vibration is avoided, and the service life of the sliding block is prolonged.

Description

Anticollision linear slide

Technical Field

The utility model relates to a linear sliding block structure, in particular to an anti-collision linear sliding block.

Background

The guide rail is a groove or ridge made of metal or other materials, can bear, fix and guide a moving device or equipment and reduce friction of the moving device or equipment, and is a longitudinal groove or ridge on the surface of a track, is used for guiding and fixing machine parts, special equipment, instruments and the like, is used for linear reciprocating motion occasions, has higher rated load than a linear bearing, can bear certain torque and can realize high-precision linear motion under the condition of high load; the known guide rail and linear slide block are mechanical components for precision manufacture, wherein the linear slide block consists of a base, two circulators and a plurality of balls; for example, a novel linear guide slider is disclosed in the patent publication No. CN 215214400U.

The sliding blocks do not have an anti-collision structure, guide rail limiting blocks at two ends of the guide rail are easy to collide when moving on the guide rail, the balls in the linear sliding blocks can deviate when the collision vibration is too large, the service life of the sliding blocks is further reduced, and vibration generated by the collision can influence the machine, so that the machining precision is possibly influenced, and the improvement is needed.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide an anti-collision linear sliding block so as to solve the problems in the background art.

The technical scheme of the utility model is realized as follows: an anticollision linear slide, includes the slider body, and locates the apron of slider body both sides tip, preferably still includes:

the anti-collision structure is configured on the cover plate and is used for reducing impact vibration generated when the sliding block body is in contact with the guide rail limiting block, and the anti-collision structure at least comprises a shell arranged on the cover plate, a vibration reduction unit arranged in the shell and a contact piece connected with the vibration reduction unit and one end of which extends to the outer side of the shell.

Preferably, the shell is internally provided with an installation bin and vibration reduction bins distributed on two sides of the installation bin.

Preferably, the vibration damping unit includes:

the guide sleeve is movably arranged in the mounting bin, and the side part of the guide sleeve is connected with the contact piece;

the first telescopic rod is arranged in the guide sleeve, and connecting blocks are respectively and fixedly arranged at two ends of the first telescopic rod;

the two transmission rods are distributed at two ends of the first telescopic rod, and one end of each transmission rod is correspondingly hinged with a connecting block at the end part of the first telescopic rod;

the two buffer mechanisms are respectively arranged in the two vibration reduction bins and are respectively hinged with one ends of the two transmission rods, which are far away from the connecting blocks;

the first telescopic rod is sleeved with a first supporting spring, and two ends of the first supporting spring are respectively abutted against the two connecting blocks.

Preferably, the buffer mechanism includes:

the movable plate is movably connected with the bin wall of the vibration reduction bin, and the side wall of the movable plate is hinged with one end, far away from the connecting block, of the transmission rod;

one end of the second telescopic rod is connected with the side wall of the movable plate, and the other end of the second telescopic rod is connected with the bin wall of the vibration reduction bin;

and the second supporting spring is sleeved on the second telescopic rod, and two ends of the second supporting spring are respectively propped against the bin wall of the vibration reduction bin and the side wall of the movable plate.

Preferably, the buffer mechanism further comprises:

the elastic piece is arranged in the vibration reduction bin and can elastically deform along the radial direction when being extruded.

Preferably, the elastic member is a rubber ring.

Preferably, a rubber plate is arranged at one end of the contact piece, which is far away from the guide sleeve.

The beneficial effects are that: according to the utility model, the anti-collision structure is arranged on the cover plates at two sides, so that impact vibration generated when the sliding block body is contacted with the guide rail limiting block can be slowed down, when the contact piece on the anti-collision structure is contacted with the guide rail limiting block, the received force can be transferred to the vibration reduction unit in the shell, so that buffering is realized, and further, the vibration caused by hard contact of the sliding block body and the guide rail limiting block is avoided, the deflection phenomenon of the ball in the sliding block caused by overlarge impact vibration is avoided, and the service life is prolonged.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic structural diagram of an embodiment of the present utility model;

FIG. 2 is a perspective view of an impact structure in accordance with an embodiment of the present utility model;

FIG. 3 is a top view of the impact structure of FIG. 2;

FIG. 4 is a cross-sectional view of section A-A of FIG. 3;

FIG. 5 is a front view of the crash structure of FIG. 2;

fig. 6 is a cross-sectional view of the portion B-B of fig. 5.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Examples

As shown in fig. 1 to 6, the present utility model discloses an anti-collision linear slider, which includes a slider body 1, and cover plates 11 disposed at two side ends of the slider body 1, and in a specific embodiment of the present utility model, the anti-collision linear slider is further characterized by comprising:

the anti-collision structure 2 is disposed on the cover 11, and is configured to reduce impact vibration generated when the slider body 1 contacts the guide rail limiting block 31, and at least comprises a housing 21 disposed on the cover 11, a vibration reduction unit 22 disposed in the housing 21, and a contact member 23 connected to the vibration reduction unit 22 and having one end extending to the outside of the housing 21.

Through adopting the technical scheme, the guide rail limiting blocks arranged at the two ends of the linear guide rail are used for limiting the travel of the movement of the sliding block, meanwhile, the sliding block can be prevented from derailing from the end part of the linear guide rail, and when the sliding block body moves on the linear guide rail, the sliding block body can be inevitably contacted with the guide rail limiting blocks to collide with the sliding block, so that the vibration of the sliding block body is caused.

In the embodiment of the present utility model, the housing 21 is provided therein with a mounting bin 211 and vibration reduction bins 212 distributed on both sides of the mounting bin 211.

Through adopting above-mentioned technical scheme, the installation storehouse that sets up on the casing, damping storehouse are used for supplying damping unit to carry out spacing installation.

In an embodiment of the present utility model, the vibration damping unit 22 includes:

the guide sleeve 221 is movably arranged in the mounting bin 211, and the side part of the guide sleeve is connected with the contact piece 23;

the first telescopic rod 222 is arranged in the guide sleeve 221, and connecting blocks 2221 are respectively and fixedly arranged at two ends of the first telescopic rod;

the two transmission rods 223 are distributed at two ends of the first telescopic rod 222, and one end of each transmission rod 223 is hinged with a connecting block 2221 at the end part of the first telescopic rod 222 correspondingly;

the two buffer mechanisms 224 are respectively arranged in the two vibration reduction bins 212 and are respectively hinged with one ends of the two transmission rods 223, which are far away from the connecting block 2221;

the first expansion link 222 is sleeved with a first supporting spring 225, and two ends of the first supporting spring 225 are respectively abutted against the two connecting blocks 2221.

In an embodiment of the present utility model, the buffering mechanism 224 includes:

the movable plate 2241 is movably connected with the wall of the vibration reduction bin 212, and the side wall of the movable plate is hinged with one end of the transmission rod 223, which is far away from the connecting block 2221;

a second telescopic rod 2242, one end of which is connected with the side wall of the movable plate 2241, and the other end of which is connected with the wall of the vibration reduction bin 212;

the second supporting springs 2243 are sleeved on the second telescopic rods 2242, and two ends of the second supporting springs are respectively abutted against the wall of the vibration reduction bin 212 and the side wall of the movable plate 2241.

Through adopting above-mentioned technical scheme, after contact and guide rail stopper contact, the contact receives guide rail stopper reaction force, the direction motion towards the casing, and then promote the guide pin bushing towards the storehouse wall motion of installation storehouse, drive the transfer line and rotate then, make contained angle increase between transfer line and the first telescopic link, make the transfer line promote the fly leaf to the storehouse wall motion of damping storehouse, simultaneously, first telescopic link, the shrink of second telescopic link, first support spring, the second support spring is compressed, thereby offset the reaction force that the contact received, finally slow down the striking vibration that receives, and when the contact does not bear the weight of, first telescopic link, the second telescopic link resets under the effect of first support spring, the second support spring, simultaneously, under the linkage of transfer line, contact one portion is ejecting the casing outside by the guide pin bushing, in order to make things convenient for with guide rail stopper contact.

In an embodiment of the present utility model, the buffering mechanism 224 further includes:

the elastic member 2244 is disposed in the vibration reduction chamber 212 and is capable of elastically deforming in the radial direction when being pressed.

Through adopting above-mentioned technical scheme, the elastic component that sets up produces elastic deformation along radial when receiving the extrusion of fly leaf, can be when slowing down the fly leaf and remove, can reduce the noise after the contact.

In an embodiment of the present utility model, the elastic member 2244 is a rubber ring.

By adopting the technical scheme, the elastic piece can adopt a rubber ring.

In the embodiment of the utility model, the end of the contact member 23 away from the guide sleeve is provided with a rubber plate 231.

By adopting the technical scheme, one end of the contact piece, which is far away from the guide sleeve, is provided with the rubber plate, so that the contact of the contact piece and the guide rail limiting block is in flexible contact.

In summary, the utility model provides an anti-collision linear slider capable of avoiding hard contact between a slider body and a guide rail limiting block, thereby avoiding the phenomenon of deflection of balls in the slider caused by excessive impact vibration, and further prolonging the service life of the slider.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides an anticollision linear slide, includes the slider body, and locates the apron of slider body both sides tip, its characterized in that still includes: the anti-collision structure is configured on the cover plate and is used for reducing impact vibration generated when the sliding block body is in contact with the guide rail limiting block, and the anti-collision structure at least comprises a shell arranged on the cover plate, a vibration reduction unit arranged in the shell and a contact piece connected with the vibration reduction unit and one end of which extends to the outer side of the shell.

2. The anti-collision linear slide of claim 1, wherein the housing is provided with a mounting bin and vibration reduction bins distributed on both sides of the mounting bin.

3. An anti-collision linear slide according to claim 2, wherein the vibration damping unit comprises: the guide sleeve is movably arranged in the mounting bin, and the side part of the guide sleeve is connected with the contact piece; the first telescopic rod is arranged in the guide sleeve, and connecting blocks are respectively and fixedly arranged at two ends of the first telescopic rod; the two transmission rods are distributed at two ends of the first telescopic rod, and one end of each transmission rod is correspondingly hinged with a connecting block at the end part of the first telescopic rod; the two buffer mechanisms are respectively arranged in the two vibration reduction bins and are respectively hinged with one ends of the two transmission rods, which are far away from the connecting blocks; the first telescopic rod is sleeved with a first supporting spring, and two ends of the first supporting spring are respectively abutted against the two connecting blocks.

4. A crashworthy linear slide as claimed in claim 3, wherein the cushioning mechanism comprises: the movable plate is movably connected with the bin wall of the vibration reduction bin, and the side wall of the movable plate is hinged with one end, far away from the connecting block, of the transmission rod; one end of the second telescopic rod is connected with the side wall of the movable plate, and the other end of the second telescopic rod is connected with the bin wall of the vibration reduction bin; and the second supporting spring is sleeved on the second telescopic rod, and two ends of the second supporting spring are respectively propped against the bin wall of the vibration reduction bin and the side wall of the movable plate.

5. A crashworthy linear slide as in claim 3, wherein the cushioning mechanism further comprises: the elastic piece is arranged in the vibration reduction bin and can elastically deform along the radial direction when being extruded.

6. The crashworthy linear slide of claim 5, wherein the resilient member is a rubber ring.

7. An anti-collision linear slide as claimed in any one of claims 1 to 6, in which the end of the contact member remote from the guide sleeve is provided with a rubber plate.