Silence type lead screw guide rail module

By setting up buffer devices and rollers in the linear guide module, the problem of noise and damage caused by friction during operation is solved, and a more silent and durable module design is achieved.

CN222798065UActive Publication Date: 2025-04-25ZHEJIANG JINSHENG BEARING MFG CO LTD
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Patent Information

Application Number
CN202420870921.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-25
Publication Date
2025-04-25
Estimated Expiration
2034-04-25

AI Technical Summary

Technical Problem

The existing linear guide rail modules are prone to cause large noise due to the sliding friction of the guide rail limit when working, and are prone to damage to the guide rails and mobile seats, affecting the normal use of the module.

Method used

By providing a left buffering device, a right buffering device and a roller, the movable seat is buffered by a buffering device to prevent noise from impact, and the roller is used to prevent sliding friction between the moving seat and the guide rail.

Benefits of technology

It effectively reduces noise during the movement of the module, prevents damage to the guide rails and moving seats, and ensures the normal use of the module.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a silent lead screw guide rail module which comprises a base, a groove body is formed in the upper surface of the base, a left baffle is fixedly connected to the position, close to the left side surface, of the inner side of the base, a right baffle is arranged on the right surface of the inner side of the base, and a right buffering device is arranged on the left side surface of the right baffle. A left buffer device is arranged on the right side surface of the left baffle, the right buffer device and the left buffer device are the same in structure, a limiting shell is fixedly connected to the right side of the base, a motor is fixedly connected to the inner side surface of the limiting shell, and a moving device is arranged on the inner side of the groove body. By means of the structure, the left buffering device, the right buffering device and the rolling wheels are arranged, the left buffering device and the right buffering device are arranged to achieve the buffering effect on the movable base to prevent impact entanglement noise, and the rolling wheels are arranged to prevent sliding friction between the movable base and the guide rail from generating noise.
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Description

Technical Field

[0001] The utility model relates to the technical field of screw guide rails, in particular to a silent screw guide rail module. Background Art

[0002] Linear guide modules are also called linear modules, rectangular coordinate robots and linear slides. They are automation upgrade units following linear guides, linear motion modules and ball screw linear transmission mechanisms. They can achieve linear loads through the combination of various units, making light load automation more flexible and positioning more accurate.

[0003] When the linear module is working, it is easy to produce loud noise during movement due to the limited sliding friction of the guide rail, and it is easy to cause damage to the guide rail and the moving seat, thus affecting the normal use of the module. Utility Model Content

[0004] The utility model provides a silent screw guide rail module, which can provide a left buffer device, a right buffer device and a roller. The left buffer device and the right buffer device are provided to provide a buffer effect on a moving seat to prevent collision noise, and the roller is provided to prevent the moving seat from generating sliding friction with the guide rail to generate noise.

[0005] In order to achieve the above-mentioned purpose, a silent screw guide rail module is provided, including a base, a slot body is provided on the upper surface of the base, a left baffle is fixedly connected to the inner side of the base near the left side surface, a right baffle is provided on the inner right surface of the base, a right buffer device is provided on the left side surface of the right baffle, a left buffer device is provided on the right side surface of the left baffle, the right buffer device and the left buffer device have the same structure, a limiting shell is fixedly connected to the right side of the base, a motor is fixedly connected to the inner surface of the limiting shell, and a moving device is provided inside the slot body. The base is provided to facilitate the installation of the screw assembly, the slot body is provided to facilitate the movement of the moving device, the left buffer device and the right buffer device are provided to facilitate the buffering of the moving device to prevent noise from collision, and the limiting shell is provided to facilitate the limiting of the motor.

[0006] According to the silent screw guide rail module, the output end of the motor is fixedly connected to a screw assembly, the screw assembly passes through the right baffle and is fixedly connected to the inner surface of the left baffle, and the moving device is threadedly connected to the annular surface of the screw assembly. The motor is provided to facilitate the screw assembly to rotate, and the screw assembly is provided to facilitate the moving device to move.

[0007] According to the silent screw guide rail module, the bottom wall of the trough body is symmetrically fixedly connected with the guide rail assembly, and the left baffle and the right baffle are fixedly connected with the limit contact on the side close to the moving device. The guide rail assembly is provided to facilitate the support of the moving device, and the limit contact is provided to facilitate the prevention of noise caused by collision of the moving assembly.

[0008] According to the silent screw guide rail module, the right buffer device includes a slide bar, a cavity, a spring, and a buffer plate. The cavity is opened on the inner surface of the limit housing, there are multiple cavities, and the slide bar is slidably connected to the inner surface of the cavity. The cavity is provided to facilitate the movement of the slide bar, and the slide bar is provided to facilitate the cooperation with the cavity to produce a buffering effect.

[0009] According to the silent screw guide rail module, the spring is sleeved on the inner surface of the slide bar, the right end of the spring is fixedly connected to the right surface of the limit housing, the left end of the spring is fixedly connected to the right surface of the buffer plate, and the left end of the slide bar is fixedly connected to the right surface of the buffer plate. The spring is provided to facilitate the support force for the buffer plate, and the buffer plate is provided to facilitate the support for the mobile device.

[0010] According to the silent screw guide rail module, the moving device includes a moving seat, a roller, a slide groove, and a limit block. The slide groove is provided on the lower surface of the moving seat near the front and rear ends, and the roller is rotatably connected to the inner surface of the slide groove. The slide groove is provided to facilitate the positioning of the moving seat on the guide rail assembly, and the roller is provided to facilitate preventing the moving seat from sliding directly with the guide rail assembly.

[0011] According to the silent screw guide rail module, the upper surface of the limit block is fixedly connected to the lower surface of the moving seat, the inner side of the limit block is provided with a threaded hole, the moving seat is threadedly connected to the annular surface of the screw assembly through the threaded hole, and the moving seat is slidably connected to the upper surface of the guide rail assembly through a roller. The limit block is provided to facilitate the opening of the threaded hole, and the threaded hole is provided to facilitate the threaded connection to the screw assembly.

[0012] The beneficial effects of the utility model are as follows: by arranging the left buffer device, the right buffer device and the roller, the left buffer device and the right buffer device are arranged to provide a buffer effect on the moving seat to prevent collision noise, and by arranging the roller, the moving seat and the guide rail are prevented from generating sliding friction and thus generating noise.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 This is a schematic diagram of the overall structure of a silent screw guide rail module of the utility model;

[0016] Figure 2 This is a top view of a silent screw guide rail module of the utility model;

[0017] Figure 3 This is a diagram of the right buffer device of a silent screw guide rail module of the utility model;

[0018] Figure 4 This is a diagram of a moving device of a silent screw guide rail module of the utility model.

[0019] Legend:

[0020] 1. Base; 2. Left baffle; 3. Limit housing; 4. Motor; 5. Right baffle; 6. Screw assembly; 7. Moving device; 701. Moving seat; 702. Roller; 703. Slide; 704. Limit block; 8. Right buffer device; 801. Slide rod; 802. Cavity; 803. Spring; 804. Buffer plate; 9. Left buffer device; 10. Limit contact; 11. Slot body; 12. Guide rail assembly. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] Reference Figures 1 to 4The utility model embodiment is a silent type screw guide rail module, which includes a base 1, a slot body 11 is provided on the upper surface of the base 1, a left baffle 2 is fixedly connected to the inner side of the base 1 near the left side surface, a right baffle 5 is provided on the inner right surface of the base 1, a right buffer device 8 is provided on the left side surface of the right baffle 5, and a left buffer device 9 is provided on the right side surface of the left baffle 2. The right buffer device 8 and the left buffer device 9 have the same structure, a limited housing 3 is fixedly connected to the right side of the base 1, a motor 4 is fixedly connected to the inner surface of the limited housing 3, a moving device 7 is provided inside the slot body 11, a screw assembly 6 is fixedly connected to the output end of the motor 4, the screw assembly 6 penetrates the right baffle 5 and is fixedly connected to the inner surface of the left baffle 2, the moving device 7 is threadedly connected to the annular surface of the screw assembly 6, and the bottom wall of the slot body 11 is symmetrically fixedly connected to the guide rail assembly 12, and a limited contact 10 is fixedly connected to the left baffle 2 and the right baffle 5 on the side close to the moving device 7. The limit contact 10 is made of elastic material.

[0023] The right buffer device 8 includes a slide bar 801, a cavity 802, a spring 803, and a buffer plate 804. The cavity 802 is opened on the inner surface of the limit shell 3. There are multiple cavities 802. The slide bar 801 is slidably connected to the inner surface of the cavity 802. The spring 803 is sleeved on the inner surface of the slide bar 801. The right end of the spring 803 is fixedly connected to the right side surface of the limit shell 3. The left end of the spring 803 is fixedly connected to the right side surface of the buffer plate 804. The left end of the slide bar 801 is fixedly connected to the right side surface of the buffer plate 804. The buffer plate 804 does not contact the screw rod assembly 6 and the guide rail assembly 12.

[0024] The moving device 7 includes a moving seat 701, a roller 702, a slide groove 703, and a limit block 704. The slide groove 703 is opened on the lower surface of the moving seat 701 near the front and rear ends. The roller 702 is rotatably connected to the inner surface of the slide groove 703. The upper surface of the limit block 704 is fixedly connected to the lower surface of the moving seat 701. A threaded hole is provided on the inner side of the limit block 704. The moving seat 701 is threadedly connected to the annular surface of the screw assembly 6 through the threaded hole. The moving seat 701 is slidably connected to the upper surface of the guide rail assembly 12 through the roller 702, and the roller 702 can roll smoothly on the guide rail assembly 12.

[0025] Working principle: when it is necessary to start the moving device 7, start the motor 4, the motor 4 is connected to an external power supply and a switch, the motor 4 drives the screw assembly 6 to rotate, the screw assembly 6 rotates through the threaded hole on the limit block 704 to drive the moving device 7 to move, and at the same time, the roller 702 in the slide groove 703 will roll on the guide rail assembly 12 to prevent the slide groove 703 from directly contacting the guide rail assembly 12 and thus generating noise during sliding, and then when the moving device 7 slides close to the right baffle 5, it will contact the buffer plate 804, and then the moving device 7 will be buffered by the cooperation of the slide rod 801, the cavity 802 and the spring 803 to prevent the moving device 7 from directly colliding and generating noise, the right buffer device 8 has the same structure as the left buffer device 9, and at the same time, the moving device 7 also contacts the limit contact 10 for secondary limiting.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A silent screw guide rail module, characterized in that: The invention comprises a base (1), wherein the upper surface of the base (1) is provided with a groove body (11), the inner side of the base (1) is fixedly connected with a left baffle plate (2) near the left side surface, the inner right surface of the base (1) is provided with a right baffle plate (5), the left side surface of the right baffle plate (5) is provided with a right buffer device (8), the right side surface of the left baffle plate (2) is provided with a left buffer device (9), the right buffer device (8) and the left buffer device (9) have the same structure, the right side of the base (1) is fixedly connected with a limit housing (3), the inner side surface of the limit housing (3) is fixedly connected with a motor (4), and the inner side of the groove body (11) is provided with a moving device (7).

2. A silent screw guide rail module according to claim 1, characterized in that: The output end of the motor (4) is fixedly connected to a screw assembly (6), the screw assembly (6) passes through the right baffle (5) and is fixedly connected to the inner surface of the left baffle (2), and the moving device (7) is threadedly connected to the annular surface of the screw assembly (6).

3. A silent screw guide rail module according to claim 1, characterized in that: The bottom wall of the trough body (11) is symmetrically fixedly connected with a guide rail assembly (12), and the left baffle plate (2) and the right baffle plate (5) are fixedly connected with a limit contact (10) on one side close to the moving device (7).

4. A silent screw guide rail module according to claim 1, characterized in that: The right buffer device (8) comprises a slide bar (801), a cavity (802), a spring (803), and a buffer plate (804); the cavity (802) is provided on the inner surface of the limit shell (3); there are a plurality of cavities (802); and the slide bar (801) is slidably connected to the inner surface of the cavity (802).

5. A silent screw guide rail module according to claim 4, characterized in that: The spring (803) is sleeved on the inner surface of the slide bar (801), the right end of the spring (803) is fixedly connected to the right surface of the limit housing (3), the left end of the spring (803) is fixedly connected to the right surface of the buffer plate (804), and the left end of the slide bar (801) is fixedly connected to the right surface of the buffer plate (804).

6. A silent screw guide rail module according to claim 1, characterized in that: The moving device (7) comprises a moving seat (701), a roller (702), a slide groove (703), and a limit block (704); the slide groove (703) is arranged on the lower surface of the moving seat (701) near the front and rear ends; and the roller (702) is rotatably connected to the inner surface of the slide groove (703).

7. A silent screw guide rail module according to claim 6, characterized in that: The upper surface of the limit block (704) is fixedly connected to the lower surface of the movable seat (701), a threaded hole is provided on the inner side of the limit block (704), the movable seat (701) is threadedly connected to the annular surface of the screw assembly (6) through the threaded hole, and the movable seat (701) is slidably connected to the upper surface of the guide rail assembly (12) through a roller (702).