CN211361350U - Machine tool sliding block with small friction coefficient - Google Patents

Abstract

The utility model discloses a machine tool slide block with small friction coefficient, which comprises a machine table, a fixed track fixedly arranged on the machine table and a movable track movably arranged on the machine table, wherein a T-shaped chute is arranged at the top of the machine table, a T-shaped slide block is arranged in the T-shaped chute in a sliding manner, and the top of the T-shaped slide block extends to the outside of the T-shaped chute and is fixedly connected to the bottom of the movable track; the T-shaped sliding block comprises an upper sliding block and a lower sliding block fixedly connected to the lower portion of the upper sliding block, and first rolling balls are arranged on two sides of the lower sliding block in a rolling mode. The utility model discloses in, avoided the direct sliding contact between T shape slider and the T shape spout, can reduce holistic frictional force between T shape slider and the T shape spout, make the coefficient of friction of T shape slider littleer, slowed down the wearing and tearing of T shape slider, made the life of T shape slider improve greatly, ensured the normal use of T shape slider.

Description

A sliding block of a machine tool with a small friction coefficient

technical field

The utility model relates to the field of machine tool sliding blocks, in particular to a machine tool sliding block with a small friction coefficient.

Background technique

At present, in the machine tool equipment, there are usually chutes and sliders, and the machine tool slider is one of the commonly used accessories. For example, in the adjustment mechanism of the machine tool track, the machine tool slide block and the chute are used for sliding guidance.

Most of the existing machine tool sliders are directly slid in the chute, and the sliders are in direct sliding contact with the chute, resulting in a large friction coefficient, which results in a large degree of wear of the sliders and a longer service life of the sliders. Shortening is not conducive to the normal use of the slider. To this end, we provide a machine tool slide with a small friction coefficient.

Utility model content

The purpose of the utility model is to provide a machine tool slide block with a small friction coefficient in order to solve the shortcomings existing in the prior art.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

A machine tool slide block with a small friction coefficient, comprising a machine table, a fixed rail fixedly arranged on the machine table, and a movable rail movably installed on the machine table, the top of the machine table is provided with a T-shaped chute, the T-shaped A T-shaped slider is slid in the chute, and the top of the T-shaped slider extends to the outside of the T-shaped chute and is fixedly connected to the bottom of the movable track;

The T-shaped slider includes an upper slider and a lower slider fixedly connected to the lower part of the upper slider. Both sides of the lower slider are rollingly installed with first rolling balls, and one side of the first rolling ball extends to Inside the T-shaped chute and rollingly connected with the side wall of the T-shaped chute; the bottom of the lower slider is rollingly installed with a second rolling ball on both sides, and the bottom side of the second rolling ball extends into the T-shaped chute And rolling connection with the bottom inner wall of the T-shaped chute;

Both sides of the lower slider are provided with first rolling grooves, and the first rolling balls are rolled in the first rolling grooves, and the lower slider is also provided with a first arc-shaped cavity, and the first arc-shaped cavity rolls in the first arc-shaped cavity. A plurality of first balls are arranged, and the first balls extend movably into the first rolling grooves and are connected with the first rolling balls in a rolling manner; both sides of the bottom of the lower slider are provided with second rolling grooves, and the second rolling grooves are The ball rolling is arranged in the second rolling groove, the lower slider is also provided with a second arc-shaped cavity, a plurality of second balls are rolling in the second arc-shaped cavity, and the second balls extend into the second rolling groove and Rolling connection with the second rolling ball.

Preferably, the plurality of first balls are rolled and arranged in the first arc-shaped cavity at equal intervals.

Preferably, a first through hole is provided on one inner wall of the first arc-shaped cavity close to the first rolling groove, and the first ball moves through the first through hole.

Preferably, a third rolling ball is installed on both sides of the upper slider, and the installation method of the third rolling ball is the same as that of the first rolling ball.

Preferably, a plurality of second balls are rolled and arranged in the second arc-shaped cavity at equal intervals.

Preferably, a second through hole is provided on one inner wall of the second arc-shaped cavity close to the second rolling groove, and the second ball moves through the second through hole.

Compared with the prior art, the beneficial effects of the present utility model are:

1. In this utility model, through the first rolling balls arranged on both sides of the lower slider and the third rolling balls arranged on both sides of the upper slider, when the T-shaped slider slides in the T-shaped chute, it can pass The first rolling ball and the third rolling ball roll with the side wall of the T-shaped chute, which is beneficial to reduce the friction between the T-shaped slider and the side wall of the T-shaped chute;

2. In this utility model, at the same time, the second rolling ball is arranged on the bottom side of the lower slider, so that when the T-shaped slider slides in the T-shaped chute, the second rolling ball and the bottom of the T-shaped chute can pass through the second rolling ball. The inner wall is rolled, which is beneficial to reduce the friction between the T-shaped slider and the inner wall of the bottom of the T-shaped chute;

Finally, in the present invention, the direct sliding contact between the T-shaped slider and the T-shaped chute is avoided, the overall frictional force between the T-shaped slider and the T-shaped chute can be reduced, and the friction of the T-shaped slider can be reduced. The coefficient is smaller, which slows down the wear of the T-shaped slider, greatly improves the service life of the T-shaped slider, and ensures the normal use of the T-shaped slider.

Description of drawings

Fig. 1 is the structural representation of a kind of machine tool slide block with small friction coefficient proposed by the utility model;

Fig. 2 is the structural representation of the T-shaped slider in the utility model;

FIG. 3 is a schematic structural diagram of an enlarged partial detail of the present invention.

In the picture: 1 machine, 2 fixed track, 3 movable track, 4T-shaped slider, 5T-shaped chute; 401 upper slider, 402 lower slider, 403 first rolling ball, 404 second rolling ball, 405, 406 First rolling groove, 407 first arc cavity, 408 first ball, 409 first through hole, 410 second rolling groove, 411 second arc cavity, 412 second ball.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

1-3, a machine tool slider with a small friction coefficient includes a machine table 1, a fixed rail 2 fixedly arranged on the machine table 1, and a movable rail 3 movably installed on the machine table 1. The machine table The top of the 1 is provided with a T-shaped chute 5, a T-shaped slider 4 is slid in the T-shaped chute 5, and the top of the T-shaped slider 4 extends to the outside of the T-shaped chute 5 and is fixedly connected to the movable track 3. bottom of;

The T-shaped sliding block 4 includes an upper sliding block 401 and a lower sliding block 402 fixedly connected to the lower part of the upper sliding block 401. Both sides of the lower sliding block 402 are rollingly installed with first rolling balls 403, and the first rolling One side of the ball 403 extends into the T-shaped chute 5 and is connected to the side wall of the T-shaped chute 5 in a rolling connection; both sides of the bottom of the lower slider 402 are rollingly installed with a second rolling ball 404, and the second rolling The bottom side of the ball 404 extends into the T-shaped chute 5 and is rollingly connected with the bottom inner wall of the T-shaped chute 5;

Both sides of the lower slider 402 are provided with first rolling grooves 406, and the first rolling balls 403 are rolled in the first rolling grooves 406. The lower slider 402 is also provided with a first arc-shaped cavity 407. A plurality of first rolling balls 408 are rolled in an arc-shaped cavity 407 , and the first rolling balls 408 extend movably into the first rolling groove 406 and are rollingly connected with the first rolling balls 403 ; both sides of the bottom of the lower slider 402 Both are provided with a second rolling groove 410, and the second rolling ball 404 is rolled in the second rolling groove 410. The lower slider 402 is also provided with a second arc-shaped cavity 411, and the second arc-shaped cavity 411 is rolled with a A plurality of second rolling balls 412 are provided, and the second rolling balls 412 extend into the second rolling groove 410 and are connected with the second rolling balls 404 in a rolling manner. In the present invention, the direct sliding contact between the T-shaped sliding block 4 and the T-shaped sliding groove 5 is avoided, the overall frictional force between the T-shaped sliding block 4 and the T-shaped sliding groove 5 can be reduced, and the T-shaped sliding block The friction coefficient of 4 is smaller, which slows down the wear of the T-shaped sliding block 4, greatly improves the service life of the T-shaped sliding block 4, and ensures the normal use of the T-shaped sliding block 4.

Specifically, a plurality of first balls 408 are rolled in the first arc-shaped cavity 407 at equal distances.

Specifically, a first through hole 409 is formed on one inner wall of the first arc-shaped cavity 407 close to the first rolling groove 406 , and the first ball 408 movably passes through the first through hole 409 .

Specifically, the third rolling balls 405 are installed on both sides of the upper slider 401 in a rolling manner, and the installation manner of the third rolling balls 405 is the same as that of the first rolling balls 403 .

Specifically, the plurality of second balls 412 are rolled and arranged in the second arc-shaped cavity 411 at equal intervals.

Specifically, a second through hole is formed on one inner wall of the second arc-shaped cavity 411 close to the second rolling groove 410 , and the second ball 412 movably penetrates through the second through hole.

A machine tool slide block with a small friction coefficient of the present utility model, when the T-shaped slide block 4 slides in the T-shaped chute 5, the first rolling balls 403 provided on both sides of the lower slide block 402 and the upper slide block 401 pass through The third rolling balls 405 are arranged on both sides, so that when the T-shaped slider 4 slides in the T-shaped chute 5, the first rolling ball 403 and the third rolling ball 405 can enter into the side wall of the T-shaped chute 5 through the first rolling ball 403 and the third rolling ball 405. rolling, which is beneficial to reduce the friction force between the T-shaped slider 4 and the side wall of the T-shaped chute 5; at the same time, the second rolling ball 404 is arranged on the bottom side of the lower slider 402, so that the T-shaped slider 4 is in the T-shaped When sliding in the chute 5, the second rolling ball 404 and the bottom inner wall of the T-shaped chute 5 can be rolled, which is beneficial to reduce the frictional force between the T-shaped slider 4 and the bottom inner wall of the T-shaped chute 5; Finally, the direct sliding contact between the T-shaped slider 4 and the T-shaped chute 5 is avoided, the overall frictional force between the T-shaped slider 4 and the T-shaped chute 5 can be reduced, and the friction of the T-shaped slider 4 can be reduced. The coefficient is smaller, the wear of the T-shaped sliding block 4 is slowed down, the service life of the T-shaped sliding block 4 is greatly improved, and the normal use of the T-shaped sliding block 4 is ensured.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (6)

1. A machine tool sliding block with a small friction coefficient comprises a machine table (1), a fixed rail (2) fixedly arranged on the machine table (1) and a movable rail (3) movably arranged on the machine table (1), and is characterized in that a T-shaped sliding groove (5) is formed in the top of the machine table (1), a T-shaped sliding block (4) is arranged in the T-shaped sliding groove (5) in a sliding mode, and the top of the T-shaped sliding block (4) extends to the outside of the T-shaped sliding groove (5) and is fixedly connected to the bottom of the movable rail (3);

the T-shaped sliding block (4) comprises an upper sliding block (401) and a lower sliding block (402) fixedly connected to the lower portion of the upper sliding block (401), first rolling balls (403) are arranged on two sides of the lower sliding block (402) in a rolling mode, and one side of each first rolling ball (403) extends into the T-shaped sliding groove (5) and is in rolling connection with the side wall of the T-shaped sliding groove (5); second rolling balls (404) are arranged on two sides of the bottom of the lower sliding block (402) in a rolling mode, and the bottom sides of the second rolling balls (404) extend into the T-shaped sliding groove (5) and are connected with the inner wall of the bottom of the T-shaped sliding groove (5) in a rolling mode;

the two sides of the lower sliding block (402) are respectively provided with a first rolling groove (406), the first rolling balls (403) are arranged in the first rolling grooves (406) in a rolling mode, the lower sliding block (402) is further provided with a first arc-shaped cavity (407), a plurality of first rolling balls (408) are arranged in the first arc-shaped cavity (407) in a rolling mode, and the first rolling balls (408) movably extend into the first rolling grooves (406) and are connected with the first rolling balls (403) in a rolling mode; the bottom both sides of lower slider (402) all are equipped with second roll groove (410), and second roll ball (404) roll locate in second roll groove (410), still are equipped with second arc chamber (411) on lower slider (402), roll in second arc chamber (411) and be equipped with a plurality of second ball (412), and second ball (412) extend to in second roll groove (410) and with second roll ball (404) rolling connection.

2. A machine tool slide with a low coefficient of friction according to claim 1 wherein a plurality of first balls (408) are disposed in the first arcuate chamber (407) in a rolling relationship with equal spacing.

3. The machine tool slide block with small friction coefficient according to claim 1, wherein a first through hole (409) is formed in the inner wall of the first arc-shaped cavity (407) close to one side of the first rolling groove (406), and the first ball (408) movably penetrates through the first through hole (409).

4. A machine tool slide with a low friction coefficient according to claim 1, characterized in that the upper slide (401) is provided with third rolling balls (405) on both sides in a rolling manner, and the third rolling balls (405) are arranged in the same manner as the first rolling balls (403).

5. A machine tool slide with a low coefficient of friction according to claim 1 wherein a plurality of second balls (412) are provided in the second arcuate chamber (411) in an equally spaced rolling relationship.

6. The machine tool sliding block with small friction coefficient according to claim 1, wherein a second through hole is formed in the inner wall of the second arc-shaped cavity (411) on the side close to the second rolling groove (410), and a second ball (412) movably penetrates through the second through hole.

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