A low noise linear guide

By setting pulleys, rubber transmission belts and sound-absorbing cotton in the low-noise linear guide, and using the conveying and emission of lubricating oil, the noise and wear problems when the slider slides horizontally are solved, achieving lower noise and higher smoothness.

CN222731946UActive Publication Date: 2025-04-08LISHUI ZHENGDAO AUTOMATION TECH CO LTD
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Patent Information

Application Number
CN202421014697.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-11
Publication Date
2025-04-08
Estimated Expiration
2034-05-11

AI Technical Summary

Technical Problem

When the existing low-noise linear guides slide horizontally, the noise generation caused by dust impurities and the wear between the slider and the guide rail is accelerated, making it difficult to meet the demand.

Method used

A low-noise linear guide rail is designed. By setting pulleys and transmission belts inside the guide rails, and using rubber-material transmission belts to reduce noise generation. At the same time, sound-absorbing cotton is installed on the inside of the guide rails to absorb noise. The oil injection holes and oil outlet holes on the top of the slider improve the transportation and emission of lubricating oil, and enhance the smoothness of sliding.

Benefits of technology

It effectively reduces noise generation during sliding, and further reduces noise and wear through the use of sound-absorbing cotton and lubricating oil, and improves the smoothness of the guide rails.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a low-noise linear guide, comprising a linear guide, a pulley is symmetrically arranged on one side of the interior of the linear guide, the pulley is rotatably connected to the interior of a bearing seat, a slider is arranged on the inner side of the linear guide, mounting grooves are arranged at the upper and lower ends of the interior of the slider, a mounting block is snap-connected inside the mounting groove, an oil filling hole is arranged on the top of the slider, a spring is arranged to make the transmission belt and the pulley fit tightly, and the transmission belt is made of rubber material, so that the generation of noise during the sliding process can be reduced, and the sound-absorbing cotton arranged on the inner side of the linear guide can absorb the noise generated by the slider during the sliding process, thereby further reducing the effect of noise, and at the same time, the oil filling hole arranged on the top of the slider is used to transport the lubricating oil to the oil outlet hole for discharge, thereby improving the sliding smoothness between the linear guide and the slider, so that the structure is simple and the generation of noise is effectively reduced.
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Description

Technical Field

[0001] The utility model belongs to the technical field of linear guide rails, and in particular relates to a low-noise linear guide rail. Background Art

[0002] Low noise linear guide is a guide mechanism used for precision mechanical movement, which is mainly composed of guide body, slider, ball or roller, sealing device and lubrication system. This kind of guide is designed to reduce noise during movement while maintaining high precision and high speed movement performance.

[0003] Currently, when the slider slides laterally on the linear guide, dust impurities will cause the slider to make noise during the sliding process, which will accelerate the wear between the slider and the linear guide, making it difficult to meet the existing demand for low-noise linear guides. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a low-noise linear guide rail to solve the problem mentioned in the above background technology that when the current slider slides horizontally on the linear guide rail, dust impurities will cause the slider to make noise during the sliding process, which will accelerate the wear between the slider and the linear guide rail, making it difficult to meet the existing low-noise linear guide rail requirements.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a low-noise linear guide rail, comprising a linear guide rail, a pulley is symmetrically arranged on one side inside the linear guide rail, the pulley is rotatably connected to the inside of a bearing seat, a slider is arranged on the inside of the linear guide rail, mounting grooves are provided at both upper and lower ends inside the slider, a mounting block is snap-connected inside the mounting groove, an oil filling hole is provided on the top of the slider, oil outlet holes are provided at both upper and lower ends of the slider, a receiving groove is symmetrically arranged on one side of the lower end of the slider, a spring is fixedly connected inside the receiving groove, one end of the spring is fixedly connected to a bracket, rollers are symmetrically arranged on one side inside the bracket, and a transmission belt is connected to the outer side of the roller for transmission.

[0006] Preferably, one side of the linear guide rail is symmetrically fixedly connected with an ear plate, and the inside of the ear plate is provided with a first positioning bolt.

[0007] Preferably, sound-absorbing cotton is symmetrically fixedly connected to one side of the inner part of the linear guide rail.

[0008] Preferably, the pulley and the bearing seat are fixedly connected to the linear guide rail via a second positioning bolt, and a plurality of the pulley, the bearing seat and the second positioning bolt are provided.

[0009] Preferably, shielding plates are fixedly connected to the upper and lower ends of the linear guide rail near the pulley.

[0010] Preferably, the outer surfaces of the linear guide rails are fitted with mounting blocks.

[0011] Preferably, the oil filling hole and the oil outlet hole are connected.

[0012] Preferably, a plurality of springs are provided, and the roller is rotatably connected to the bracket via a rotating shaft.

[0013] Compared with the prior art, the utility model provides a low-noise linear guide rail, which has the following beneficial effects:

[0014] 1. The utility model provides a low-noise linear guide rail, wherein the slider is slidably connected inside the linear guide rail, and the pulley provided inside the linear guide rail and the transmission belt provided inside the slider are connected and transmitted. The provided spring can make the transmission belt fit tightly with the pulley, and the provided transmission belt is made of rubber, so that the noise generated during the sliding process can be reduced, and the sound-absorbing cotton provided on the inner side of the linear guide rail can absorb the noise generated by the slider during the sliding process, thereby further reducing the noise effect, and at the same time, the oil filling hole provided on the top of the slider is used to transport the lubricating oil to the oil outlet hole for discharge, thereby improving the sliding smoothness between the linear guide rail and the slider, so that the structure is simple and the noise generation is effectively reduced;

[0015] 2. The utility model provides a baffle plate, a mounting block and a cleaning scraper. The cleaning scrapers respectively provided on both sides of the slider are attached to the outer surface of the linear guide rail, and then the cleaning scraper is driven to wipe the surface of the linear guide rail during the movement of the slider, thereby reducing the generation of dust particles, so as to further reduce the generation of noise and the smoothness during sliding. The baffle plate can reduce the phenomenon of dust entering the interior of the pulley and causing unsmooth sliding.

[0016] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. The utility model has a scientific and reasonable structure, is safe and convenient to use, and provides great help to people. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 This is a schematic diagram of the shaft side structure of a low-noise linear guide proposed by the utility model;

[0019] Figure 2 This is a schematic diagram of the sound-absorbing cotton structure of a low-noise linear guide proposed by the utility model;

[0020] Figure 3 This is a side view structural schematic diagram of a low-noise linear guide proposed by the utility model;

[0021] Figure 4 This is a schematic diagram of the oil outlet structure of a low-noise linear guide proposed by the utility model;

[0022] Figure 5 This is a schematic diagram of the pulley structure of a low-noise linear guide proposed by the utility model;

[0023] Figure 6 This is a schematic diagram of the transmission belt structure of a low-noise linear guide proposed by the utility model;

[0024] In the figure: linear guide 1, ear plate 2, first positioning bolt 3, sound-absorbing cotton 4, pulley 5, bearing seat 6, second positioning bolt 7, baffle plate 8, slider 9, mounting groove 10, mounting block 11, cleaning scraper 12, oil filling hole 13, oil outlet hole 14, receiving groove 15, spring 16, bracket 17, roller 18, rotating shaft 19, transmission belt 20. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-6The utility model provides a technical solution: a low-noise linear guide, including a linear guide 1, a pulley 5 is symmetrically arranged on one side inside the linear guide 1, the pulley 5 is rotatably connected to the inside of a bearing seat 6, a slider 9 is arranged on the inside of the linear guide 1, mounting grooves 10 are arranged at both upper and lower ends inside the slider 9, a mounting block 11 is connected in a snap-fitting manner inside the mounting groove 10, an oil filling hole 13 is arranged on the top of the slider 9, oil outlet holes 14 are arranged at both upper and lower ends of the slider 9, a receiving groove 15 is symmetrically arranged on one side of the lower end of the slider 9, a spring 16 is fixedly connected inside the receiving groove 15, one end of the spring 16 is fixedly connected to a bracket 17, and a roller 18 is symmetrically arranged on one side inside the bracket 17, The outer side of the roller 18 is connected to a transmission belt 20, which connects and transmits between the pulley 5 provided inside the linear guide 1 and the transmission belt 20 provided inside the slider 9. The spring 16 can make the transmission belt 20 fit tightly with the pulley 5, and the transmission belt 20 is made of rubber, which can reduce the noise generated during the sliding process. The sound-absorbing cotton 4 provided on the inner side of the linear guide 1 can absorb the noise generated by the slider 9 during the sliding process, thereby further reducing the noise. At the same time, the oil filling hole 13 provided on the top of the slider 9 is used to transport the lubricating oil to the oil outlet 14 for discharge, thereby improving the sliding smoothness between the linear guide 1 and the slider 9.

[0027] In the utility model, preferably, one side of the linear guide rail 1 is symmetrically fixedly connected with an ear plate 2 , and the inside of the ear plate 2 is provided with a first positioning bolt 3 .

[0028] In the utility model, preferably, a sound-absorbing cotton 4 is symmetrically fixedly connected to one side of the inner side of the linear guide rail 1 .

[0029] In the present utility model, preferably, the pulley 5 and the bearing seat 6 are fixedly connected to the linear guide rail 1 through the second positioning bolts 7, and the pulley 5, the bearing seat 6 and the second positioning bolts 7 are each provided with a plurality.

[0030] In the present invention, preferably, shielding plates 8 are fixedly connected to the upper and lower ends of the linear guide rail 1 near the pulley 5 .

[0031] In the present invention, preferably, the outer surface of the linear guide rail 1 is fitted with a mounting block 11 .

[0032] In the present invention, preferably, the oil filling hole 13 and the oil outlet hole 14 are connected.

[0033] In the present invention, preferably, a plurality of springs 16 are provided, and the roller 18 is rotatably connected to the bracket 17 via a rotating shaft 19 .

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A low-noise linear guide, comprising a linear guide (1), characterized in that: A pulley (5) is symmetrically arranged on one side of the inner part of the linear guide rail (1), and the pulley (5) is rotatably connected to the inner part of the bearing seat (6). A slider (9) is arranged on the inner side of the linear guide rail (1), and mounting grooves (10) are arranged at both upper and lower ends of the inner part of the slider (9), and a mounting block (11) is snap-connected inside the mounting groove (10). An oil filling hole (13) is arranged on the top of the slider (9), and oil outlet holes (14) are arranged at both upper and lower ends of the slider (9). A storage groove (15) is symmetrically arranged on one side of the lower end of the inner part of the slider (9), and a spring (16) is fixedly connected inside the storage groove (15), and one end of the spring (16) is fixedly connected to a bracket (17). A roller (18) is symmetrically arranged on one side of the inner part of the bracket (17), and a transmission belt (20) is transmission-connected to the outer side of the roller (18).

2. A low-noise linear guide rail according to claim 1, characterized in that: One side of the linear guide rail (1) is symmetrically fixedly connected with an ear plate (2), and a first positioning bolt (3) is arranged inside each ear plate (2).

3. A low-noise linear guide rail according to claim 1, characterized in that: A sound-absorbing cotton (4) is symmetrically fixedly connected to one side of the inner side of the linear guide rail (1).

4. The low-noise linear guide rail according to claim 1, characterized in that: The pulley (5) and the bearing seat (6) are fixedly connected to the linear guide rail (1) via a second positioning bolt (7), and a plurality of the pulley (5), the bearing seat (6) and the second positioning bolt (7) are provided.

5. The low-noise linear guide according to claim 1, characterized in that: Shielding plates (8) are fixedly connected to the upper and lower ends of the linear guide rail (1) near the pulley (5).

6. The low-noise linear guide rail according to claim 1, characterized in that: The outer surfaces of the linear guide rails (1) are fitted with mounting blocks (11).

7. The low-noise linear guide rail according to claim 1, characterized in that: The oil filling hole (13) and the oil outlet hole (14) are connected.

8. The low-noise linear guide rail according to claim 1, characterized in that: A plurality of springs (16) are provided, and the roller (18) is rotatably connected to the bracket (17) via a rotating shaft (19).