CN218882796U

CN218882796U - Outer circulation slider that stability is high

Info

Publication number: CN218882796U
Application number: CN202223170129.6U
Authority: CN
Inventors: 刘兴军; 章雪柯; 胡焰; 张日朋
Original assignee: Zhejiang Weikente Intelligent Machinery Co ltd
Current assignee: Zhejiang Weikente Intelligent Machinery Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-04-18
Anticipated expiration: 2032-11-28

Abstract

The utility model provides a high extrinsic cycle slider of stability belongs to sharp slider technical field. The steel ball sliding groove solves the problems that the steel ball sliding groove of the existing linear sliding block is processed by deep holes, the size and the roughness of the sliding groove are difficult to guarantee, and the like. The utility model discloses a slider body, slider body include horizontally main part and two bulges of vertical setting in the main part bottom, form between two bulges and be used for with the sliding groove of guide rail slip butt joint, be equipped with interior straight line spout on the inside and outside both sides face of bulge, the extrinsic cycle slider still includes outer holder, outer holder sets up in slider body's outside, outer holder is last to be opened have with interior straight line spout inside and outside corresponding outer straight line spout. The utility model has the advantages of move the position center of reversal channel to the outside edge of slider body for the ball passageway that returns of steel ball is located slider body outside edge, forms sharp slider body extrinsic cycle, has increased the reverse radius of steel ball orbit.

Description

Outer circulation slider that stability is high

Technical Field

The utility model belongs to the technical field of the straight line, a extrinsic cycle slider that stability is high is related to.

Background

The reverse steel ball channels of all commercially available linear sliders are completely enveloped in the slider body, the structure is compact, but the reverse radius is small, the problems of large impact momentum of steel balls on an outer retainer and large noise exist during high-speed operation, and the problems that the reverse channel is difficult to process, the body is poor in matching with a plastic part after deformation occurs during heat treatment, and the like exist, and the ideal state of all products is difficult to ensure.

The steel ball sliding grooves of the linear sliding blocks are all processed by deep holes, and the size and the roughness of the sliding grooves processed and formed in the mode are difficult to guarantee, so that the smoothness and the stability of the steel ball in operation are influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems of the prior linear slider, and providing a slider which has simple structure, large steel ball running reverse radius, simple chute processing and stable running.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a high extrinsic cycle slider of stability, includes the slider body, the slider body include horizontally main part and two bellying of vertical setting in the main part bottom, form the slip recess that is used for with the guide rail slip butt joint between two bellying, be equipped with interior straight line spout on the inside and outside both sides face of bellying, its characterized in that, extrinsic cycle slider still include the outer holder, the outer holder sets up in the outside of slider body, open on the outer holder have with interior straight line spout inside and outside the outer straight line spout that corresponds, the vertical cross sectional shape of interior straight line spout is C type arc surface, this C type arc surface includes two sections 1/4 arc surfaces that are greater than the steel ball diameter.

In the external circulation slider with high stability, the internal linear sliding groove is divided into a first internal linear sliding groove arranged on the inner side surface of the convex part and a second internal linear sliding groove arranged on the outer side surface of the convex part, and the first internal linear sliding groove and the second internal linear sliding groove are correspondingly spliced inside and outside to form a ball return channel for steel balls.

In the external circulation sliding block with high stability, the front end face and the rear end face of the protruding part are respectively provided with an inner semicircular sliding groove, and two ends of the inner semicircular sliding groove are respectively communicated with the first inner linear sliding groove and the second inner linear sliding groove; the outer retainer is provided with outer semicircular chutes which are respectively arranged at two ends of the outer linear chute, and the outer side end parts of the outer semicircular chutes are communicated with the outer linear chute.

In the external circulation sliding block with high stability, the inner linear sliding groove I, the inner linear sliding groove II, the two inner semicircular sliding grooves, the outer linear sliding groove and the two outer semicircular sliding grooves are correspondingly spliced inside and outside to form a closed ball moving channel.

In the external circulation sliding block with high stability, the sliding block body is provided with a single-row ball-moving channel, and the C-shaped arc surface of the internal linear sliding groove is formed by splicing two sections of arc surfaces which are larger than 1/4 of the diameter of the steel ball.

In the external circulation slider with high stability, the slider body is provided with two rows of ball passing channels, the C-shaped arc surface of the inner linear sliding chute is formed by splicing two sections of 1/4 arc surfaces with the diameter larger than that of the steel balls and a section of vertical plane, and the vertical plane is arranged between the two sections of 1/4 arc surfaces and is connected with the two sections of 1/4 arc surfaces.

In the external circulation sliding block with high stability, the vertical cross sections of the outer linear sliding groove and the outer semicircular sliding groove are the same in shape and are both arc surfaces with the diameter larger than that of the steel ball.

In the external circulation sliding block with high stability, the horizontal section of the external semicircular sliding groove is a 1/2 arc surface.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the position center of the reverse channel is moved to the outer edge of the slider body, and the other half of circular arc (outer linear sliding chute) forming the reverse channel is also positioned at the outer side of the slider body, so that the ball returning channel of the steel ball is positioned at the outer edge of the slider body to form the outer circulation of the linear slider body, the reverse radius of the running track of the steel ball is increased, the processing difficulty of the slider body is reduced, the steel ball is more gentle when reversing, the impact of the steel ball on an outer retainer when the slider runs at high speed is reduced, and the running noise of the slider is also reduced;

2. under the condition that the profile of an original sliding block material is unchanged, arc sliding grooves are milled on the inner side surface, the outer side surface, the front end surface and the rear end surface of the convex part by using a forming milling cutter, the arc sliding grooves are subjected to reheating treatment, and then the arc sliding grooves are ground by using a grinding wheel along the waist-shaped curve profile, so that the problem of original deep hole processing is solved, meanwhile, the size and the roughness of the sliding grooves contacted with the steel ball are easier to ensure than those of the sliding blocks with the previous hole patterns, and the coherent steel ball moving channel formed in the way is smoother, so that the moving channel of the steel ball is smoother, and the moving stability of the sliding blocks is improved;

3. the C-shaped arc surface of the inner linear sliding chute is formed by splicing two sections of arc surfaces which are larger than 1/4 of the diameter of the steel ball, so that the contact points of the steel ball are distributed on the 45-degree contact points; the C-shaped arc surface of the inner linear sliding groove is formed by splicing two sections of arc surfaces which are 1/4 larger than the diameter of the steel ball and a section of vertical plane, so that the contact point of the sliding block is positioned at the upper and lower outer sides of the sliding block by 45 degrees.

Drawings

FIG. 1 is a schematic view of a slider with dual bead running channels according to the present invention;

FIG. 2 is a schematic view of a slider of the single row ball-passing channel of the present invention;

FIG. 3 is a cross-sectional view of the slider of the dual bead routing channel of the present invention;

FIG. 4 is a cross-sectional view of a slider with a single row of ball channels in accordance with the present invention;

FIG. 5 is an enlarged cross-sectional view of the dual bead routing channel of the present invention;

fig. 6 is an enlarged cross-sectional view of the single row ball passage of the present invention.

In the figure, 1, guide rail; 2. steel balls; 3. a body portion; 4. a convex portion; 5. a sliding groove; 6. a first inner straight line chute; 7. a second inner straight-line chute; 8. an outer linear chute; 9. an inner semicircular chute; 10. an outer semicircular chute; 11. an outer cage; 12. 1/4 arc surface; 13. a vertical plane.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 4, a high extrinsic cycle slider of stability, including slider body, slider body include horizontally main part 3 and vertical setting two bulge 4 in main part 3 bottom, form between two bulge 4 and be used for the slip recess 5 with the sliding butt joint of guide rail 1, be equipped with interior straight line spout on bulge 4's the inside and outside both sides face, extrinsic cycle slider still include outer holder 11, outer holder 11 sets up the outside at slider body, outer holder 11 is gone up to open and is had the outer straight line spout 8 that corresponds inside and outside with interior straight line spout, the vertical cross sectional shape of interior straight line spout is C type arc surface, and this C type arc surface includes two sections 1/4 arc surface 12 that are greater than 2 diameters of steel ball.

The inner linear sliding groove is divided into a first inner linear sliding groove 6 arranged on the inner side surface of the convex part 4 and a second inner linear sliding groove 7 arranged on the outer side surface of the convex part 4, and the outer linear sliding groove 8 and the second inner linear sliding groove 7 are correspondingly spliced inside and outside to form a ball returning channel of the steel ball 2. An inner semicircular chute 9 is formed in each of the front end face and the rear end face of the protruding portion 4, and two ends of each inner semicircular chute 9 are communicated with the inner linear chute I6 and the inner linear chute II 7 respectively; the outer retainer 11 is provided with outer semicircular chutes 10, the two outer semicircular chutes 10 are respectively arranged at two ends of the outer linear chute 8, and the outer side end of the outer semicircular chute 10 is communicated with the outer linear chute 8. The inner straight line chute I6, the inner straight line chute II 7, the two inner semicircular chutes 9, the outer straight line chute 8 and the two outer semicircular chutes 10 are correspondingly spliced inside and outside to form a closed ball moving channel.

As shown in fig. 6, when the slider body is provided with a single row of ball-moving channels, the C-shaped arc surface of the inner linear chute is formed by splicing two 1/4 arc surfaces 12 with the diameter larger than that of the steel balls 2, so that the contact points of the steel balls 2 are distributed on the 45-degree contact points; as shown in fig. 5, when the slider body is provided with two rows of ball channels, the C-shaped arc surface of the inner linear sliding groove is formed by splicing two sections of 1/4 arc surfaces 12 with the diameter larger than that of the steel balls 2 and a section of vertical plane 13, and the vertical plane 13 is arranged between the two sections of 1/4 arc surfaces 12 and connects the two sections of 1/4 arc surfaces 12, so that the contact point of the slider is at the upper and lower outer sides of the slider by 45 degrees.

The vertical cross sections of the outer linear sliding groove 8 and the outer semicircular sliding groove 10 are the same in shape and are arc surfaces with the diameter larger than that of the steel ball 2. The horizontal section of the outer semicircular sliding groove 10 is a 1/2 arc surface.

It is to be understood that in the claims, the description of the invention, all "comprising … …" are to be understood in an open meaning, i.e. in a meaning equivalent to "comprising at least … …", and not in a closed meaning, i.e. in a meaning not to be understood as "comprising only … …".

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a high extrinsic cycle slider of stability, includes the slider body, the slider body include horizontally main part (3) and vertical two bulge (4) that set up in main part (3) bottom, form between two bulge (4) and be used for sliding groove (5) with guide rail (1) butt joint, be equipped with interior straight line spout on the inside and outside both sides face of bulge (4), its characterized in that, extrinsic cycle slider still include outer holder (11), outer holder (11) set up in the outside of slider body, outer holder (11) are gone up to open and are had outer straight line spout (8) that correspond inside and outside with interior straight line spout, the vertical cross-sectional shape of interior straight line spout is C type arc surface, and this C type arc surface includes two sections 1/4 arc surface (12) that are greater than steel ball (2) diameter.

2. The external circulation sliding block with high stability as claimed in claim 1, wherein the internal linear sliding groove is divided into a first internal linear sliding groove (6) arranged on the inner side surface of the protruding portion (4) and a second internal linear sliding groove (7) arranged on the outer side surface of the protruding portion (4), and the first external linear sliding groove (8) and the second internal linear sliding groove (7) are correspondingly spliced inside and outside to form a ball returning channel of the steel ball (2).

3. The external circulation sliding block with high stability as claimed in claim 2, wherein the front end face and the rear end face of the protruding portion (4) are respectively provided with an inner semicircular sliding groove (9), and two ends of the inner semicircular sliding groove (9) are respectively communicated with the inner linear sliding groove I (6) and the inner linear sliding groove II (7); the outer retainer (11) is provided with outer semicircular chutes (10), the two outer semicircular chutes (10) are respectively arranged at two ends of the outer linear chute (8), and the outer side ends of the outer semicircular chutes (10) are communicated with the outer linear chute (8).

4. The outer circulation sliding block with high stability as claimed in claim 3, wherein the inner linear sliding groove I (6), the inner linear sliding groove II (7), the two inner semi-circular sliding grooves (9), the outer linear sliding groove (8) and the two outer semi-circular sliding grooves (10) are correspondingly spliced inside and outside to form a closed ball moving channel.

5. The external circulation slider with high stability as claimed in claim 4, wherein the slider body is provided with a single row of ball passing channels, and the C-shaped arc surface of the inner linear sliding groove is formed by splicing two sections of arc surfaces (12) which are larger than 1/4 of the diameter of the steel ball (2).

6. The external circulation slider with high stability as claimed in claim 4, characterized in that the slider body is provided with two rows of ball channels, the C-shaped arc surface of the internal linear sliding groove is formed by splicing two sections of 1/4 arc surfaces (12) with the diameter larger than that of the steel balls (2) and a section of vertical plane (13), and the vertical plane (13) is arranged between the two sections of 1/4 arc surfaces (12) and connects the two sections of 1/4 arc surfaces (12).

7. The external circulation sliding block with high stability according to claim 1, wherein the vertical cross-sectional shapes of the external linear sliding groove (8) and the external semicircular sliding groove (10) are the same and are circular arc surfaces with diameters larger than the diameters of the steel balls (2).

8. A high stability outer circulation slider according to claim 3, wherein the horizontal cross-sectional shape of the outer semicircular sliding groove (10) is a 1/2 arc surface.