CN218347775U

CN218347775U - High-stability linear guide rail

Info

Publication number: CN218347775U
Application number: CN202221692211.2U
Authority: CN
Inventors: 徐佳楠
Original assignee: Nantong Jiarun Precision Technology Co ltd
Current assignee: Nantong Jiarun Precision Technology Co ltd
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2023-01-20
Anticipated expiration: 2032-07-04

Abstract

The utility model discloses a high stationarity linear guide relates to guide rail technical field, including the guide rail, slide mechanism has been seted up on the surface of guide rail, slide mechanism's outer wall sliding connection has moving mechanism, and slide mechanism includes spout and lower spout, moving mechanism includes main part device, buffer and buffer, main part device's inner wall and slide mechanism's outer wall sliding connection. The utility model discloses a spout and lower chute have been set up, it is more steady to have guaranteed that the slider moves, the setting of two sets of balls prevents the skew track of ball, the track of the skew operation of motion ball has been solved and has come off from the orbit, influence its motion precision and life's problem, set up buffer stop and buffer, guaranteed that the slider still can guarantee the even running when receiving external striking, solved current guide rail and can't guarantee when the slider meets the object collision in the motion process on the guide rail, influence linear guide's high accuracy stationarity straight reciprocating motion's problem.

Description

High-stability linear guide rail

Technical Field

The utility model relates to a guide rail field, concretely relates to high stationarity linear guide.

Background

The linear guide rail is mainly applied to mechanical structures with higher precision requirements. The linear guide rail is also called a linear rail, a slide rail, a linear guide rail and a linear slide rail, and is used for supporting and guiding a moving part to reciprocate linearly in a given direction. The massage eraser has certain properties, and the linear motion guide rails can be divided into sliding friction guide rails, rolling friction guide rails, elastic friction guide rails, fluid friction guide rails and the like. With the rapid development of the industries such as automobile manufacturing industry, rail transit, medical equipment, intelligent automatic processing, automatic detection and measurement, the demand for the linear guide rail is rapidly increased, and the linear guide rail is applied to various mechanical structures with higher precision requirements, so that the working environment of the linear guide rail becomes diversified. The following problems exist in the prior art:

1. the existing guide rail has low stability, and the moving balls in the sliding block assembly deviate from a running track and fall off from the running track due to overlarge load, so that the moving precision and the service life of the guide rail are influenced;

2. the existing guide rail can not ensure that the sliding block can not derail when encountering object collision in the moving process on the guide rail, and the high-precision stable linear reciprocating motion of the linear guide rail is influenced, so that the precision of high-precision machinery is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high stationarity linear guide, for solving above-mentioned technical problem, the utility model discloses the technical scheme who adopts is:

the high-stability linear guide rail comprises a guide rail, wherein a sliding mechanism is arranged on the surface of the guide rail, and the outer wall of the sliding mechanism is connected with a moving mechanism in a sliding manner.

The sliding mechanism comprises an upper sliding groove and a lower sliding groove, the inner side of the upper sliding groove is fixedly connected with the two sides of the guide rail, and the inner side of the lower sliding groove is fixedly connected with the lower portions of the upper sliding grooves on the two sides of the guide rail.

The moving mechanism comprises a main body device, a buffer device and an anti-collision device, the inner wall of the main body device is connected with the outer wall of the sliding mechanism in a sliding mode, one end of the buffer device is fixedly connected with one end of the main body device, and the inner wall of the anti-collision device is fixedly connected with the other end of the buffer device.

Preferably, the main body device comprises a sliding block, a groove is formed in the inner wall of the sliding block, a ball is connected to the inner wall of the groove in a rolling mode, guide strips are fixedly connected to the upper surface and the lower surface of the groove, and a clamping strip is fixedly connected to the bottom of the inner wall of the sliding block.

Preferably, the buffer device comprises a piston, and a spring is sleeved on the outer wall of the piston.

Preferably, the anti-collision device comprises a baffle, an upper bump is fixedly connected to the inner wall of the baffle, and a lower bump is fixedly connected to the lower portion of the upper bump on the inner wall of the baffle.

Preferably, the number of the buffer devices is two, and the two buffer devices are respectively positioned at the left side and the right side of the main body device.

Preferably, the number of the anti-collision devices is two, and the two anti-collision devices are bilaterally symmetrical about a central axis of the sliding block.

Preferably, ball, recess, gib block are two sets of totally, every group the quantity of ball, recess, gib block is two, and wherein the second group is located the below of first group, first group about the guide rail bilateral symmetry ball and upper chute sliding connection, the second group ball and lower chute sliding connection.

Owing to adopted above-mentioned technical scheme, the utility model discloses relative prior art, the technological progress who gains is:

1. the utility model provides a high stationarity linear guide through setting up spout and lower chute, has guaranteed that the slider operation is more steady, and the setting of two sets of balls prevents the skew track of ball, has solved the too big track that can make the skew operation of motion ball in the sliding block set and has come off from the orbit, influences its motion precision and life's problem.

2. The utility model provides a high stationarity linear guide, through setting up buffer, guaranteed that the slider still can guarantee even running when receiving external striking, solved current guide rail and can't guarantee the slider when meetting the object collision in the motion process on the guide rail, can not take place the derailment phenomenon, influence linear guide's high accuracy stationarity linear reciprocating motion to influence the problem of the precision of high accuracy machinery.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the moving mechanism of the present invention;

FIG. 3 is a schematic view of the internal structure of the main body device of the present invention;

fig. 4 is a top view of the main body device of the present invention.

In the figure: 1. a guide rail; 2. a sliding mechanism; 3. a moving mechanism; 21. an upper chute; 22. a lower chute; 31. a main body device; 32. a buffer device; 33. an anti-collision device; 311. a slider; 312. a groove; 313. clamping the strip; 314. a ball bearing; 315. a guide bar; 321. a piston; 322. a spring; 331. a baffle plate; 332. an upper bump; 333. and (7) a lower bump.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

example 1

As shown in fig. 1-4, the utility model provides a high-stability linear guide rail, which comprises a guide rail 1, a sliding mechanism 2 is arranged on the surface of the guide rail 1, a moving mechanism 3 is slidably connected to the outer wall of the sliding mechanism 2, the sliding mechanism 2 comprises an upper chute 21 and a lower chute 22, the inner side of the upper chute 21 is fixedly connected with the two sides of the guide rail 1, the inner side of the lower chute 22 is fixedly connected with the lower part of the upper chute 21 on the two sides of the guide rail 1, the moving mechanism 3 comprises a main body device 31, a buffer device 32 and an anti-collision device 33, the inner wall of the main body device 31 is slidably connected with the outer wall of the sliding mechanism 2, one end of the buffer device 32 is fixedly connected with one end of the main body device 31, the inner wall of the anti-collision device 33 is fixedly connected with the other end of the buffer device 32, the main body device 31 comprises a sliding block 311, a groove 312 is arranged on the inner wall of the sliding block 311, a ball 314 is rotatably connected with the inner wall of the groove 312, guide bars 315 are fixedly connected with the upper and lower surfaces of the groove 312, a clamp bar 313 is fixedly connected with the bottom of the inner wall of the sliding block 311, the sliding block 314, two sets of the groove 312, two sets of the guide bars 314, each set 314 and the guide bar 315, the two sets of the guide bars 315, and is bilaterally symmetrical about the guide rail 1, wherein the second group is positioned below the first group, the first group of balls 314 is slidably connected with the upper chute 21, the second group of balls 314 is slidably connected with the lower chute 22, the sliding block 311 is pressed, the balls 314 generate friction force with the upper sliding chute 21 and the lower sliding chute 22, so that the balls 314 roll in the groove 312 mutually, the guide strip 315 guides the balls 314, at the same time, the balls 314 are fixed to move the slider 311 on the guide rail 1, and by providing two sets of balls 314 and the upper and

lower slide grooves

21 and 22, and the clamping strip 313 is clamped at the lower part of the guide rail 1, so that the sliding block 311 slides on the guide rail 1 more stably.

In this embodiment, through setting up spout 21 and lower chute 22, guaranteed that slider 311 moves more steadily, the setting of two sets of balls 314 prevents the skew track of ball 314, has solved the too big guide rail 1 that can make the skew operation of motion ball 314 in the slider 311 subassembly of load and has come off from the orbit, influences its motion accuracy and life's problem.

Example 2

As shown in fig. 1 and 2, on the basis of embodiment 1, the utility model provides a technical solution: the buffer device 32 comprises a piston 321, a spring 322 is sleeved on the outer wall of the piston 321, the number of the buffer devices 32 is two, the two buffer devices 32 are respectively located on the left side and the right side of the main body device 31, each anti-collision device 33 comprises a baffle 331, an upper convex block 332 is fixedly connected to the inner wall of the baffle 331, a lower convex block 333 is fixedly connected to the lower portion of the upper convex block 332 on the inner wall of the baffle 332, the number of the anti-collision devices 33 is two, the two anti-collision devices 33 are bilaterally symmetrical about the central axis of the sliding block 311, when the external impact is performed on the sliding block, the upper convex block 332 and the lower convex block 333 enable the baffle 331 to slide on the guide rail 1, the piston 321 contracts, the spring 322 gives reverse force to the baffle 331, the main body device 31 plays a protection role, and prevents the moving mechanism 3 from derailing.

In this embodiment, through setting up buffer stop 33 and buffer 32, guaranteed that slider 311 still can guarantee even running when receiving external striking, solved current guide rail 1 and can't guarantee slider 311 when running into the object collision on guide rail 1 in the motion process, can not take place the derailment phenomenon, influence linear guide 1's high accuracy stationarity straight reciprocating motion to influence the problem of the precision of high accuracy machinery.

The working principle of the high-stability linear guide rail will be described in detail below.

As shown in fig. 1-4, the pressure is applied to the slider 311, the balls 314 generate friction with the upper chute 21 and the lower chute 22, the balls 314 roll in the grooves 312, the guide strip 315 guides the balls 314 and fixes the balls 314, so that the slider 311 moves on the guide rail 1, and the two sets of balls 314, the upper chute 21 and the lower chute 22 are arranged, and the clamping strip 313 is clamped at the lower part of the guide rail 1, so that the slider 311 slides on the guide rail 1 more stably.

The present invention has been described in detail with reference to the above general description, but it will be apparent to one of ordinary skill in the art that modifications and improvements can be made to the invention. Therefore, modifications or improvements without departing from the spirit of the invention are within the scope of the invention.

Claims

1. The utility model provides a high stationarity linear guide, includes guide rail (1), its characterized in that: the surface of the guide rail (1) is provided with a sliding mechanism (2), and the outer wall of the sliding mechanism (2) is connected with a moving mechanism (3) in a sliding manner;

the sliding mechanism (2) comprises an upper sliding chute (21) and a lower sliding chute (22), the inner side of the upper sliding chute (21) is fixedly connected with the two sides of the guide rail (1), and the inner side of the lower sliding chute (22) is fixedly connected with the lower part of the upper sliding chute (21) on the two sides of the guide rail (1);

moving mechanism (3) include main part device (31), buffer (32) and buffer (33), the inner wall of main part device (31) and the outer wall sliding connection of slide mechanism (2), the one end of buffer (32) and the one end fixed connection of main part device (31), the inner wall of buffer (33) and the other end fixed connection of buffer (32).

2. A highly stable linear guide rail according to claim 1, characterized in that: the main body device (31) comprises a sliding block (311), a groove (312) is formed in the inner wall of the sliding block (311), a ball (314) is connected to the inner wall of the groove (312) in a rolling mode, a guide strip (315) is fixedly connected to the upper surface and the lower surface of the groove (312), and a clamping strip (313) is fixedly connected to the bottom of the inner wall of the sliding block (311).

3. A highly stable linear guide rail according to claim 1, characterized in that: the buffer device (32) comprises a piston (321), and a spring (322) is sleeved on the outer wall of the piston (321).

4. A highly stable linear guide rail according to claim 1, characterized in that: the anti-collision device (33) comprises a baffle (331), an upper convex block (332) is fixedly connected to the inner wall of the baffle (331), and a lower convex block (333) is fixedly connected to the lower portion of the upper convex block (332) on the inner wall of the baffle (331).

5. A highly stable linear guide rail according to claim 1, characterized in that: the number of the buffer devices (32) is two, and the two buffer devices (32) are respectively positioned at the left side and the right side of the main body device (31).

6. A highly stable linear guide rail according to claim 1, characterized in that: the number of the anti-collision devices (33) is two, and the two anti-collision devices (33) are bilaterally symmetrical about a central axis of the sliding block (311).

7. A highly stable linear guide rail according to claim 2, wherein: the guide rail comprises two groups of balls (314), two groups of grooves (312) and two groups of guide strips (315), wherein the number of the balls (314), the number of the grooves (312) and the number of the guide strips (315) in each group are two, the balls (314), the grooves (312) and the guide strips (315) in each group are positioned below the first group in a bilateral symmetry mode about the guide rail (1), the first group of the balls (314) are in sliding connection with the upper chute (21), and the second group of the balls (314) are in sliding connection with the lower chute (22).