Linear guide rail with precision adjusting function

The combined structure of the slider, rotating block, gear, rack and bidirectional threaded rod solves the problems of uneven clamping force and cumbersome operation of existing linear guide rails, achieves precise clamping force adjustment and improves device reliability.

CN223306145UActive Publication Date: 2025-09-05SUZHOU GONGDONGHUI PRECISION MACHINERY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423031892.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-10
Publication Date
2025-09-05
Estimated Expiration
2034-12-10

AI Technical Summary

Technical Problem

Existing linear guides with precision adjustment functions require repeated twisting of the threaded rod when adjusting the clamping force, resulting in uneven force and cumbersome operation, which reduces the reliability of the device.

Method used

It adopts a combined structure of slider, rotating block, gear, rack, bidirectional threaded rod and telescopic plate. Flexible adjustment of clamping force is achieved through meshing transmission and threaded connection. Combined with the elastic control of rubber block and spring, precise clamping force adjustment is achieved.

Benefits of technology

Flexible adjustment and precise control of the guide rail clamping force are achieved, improving the reliability and operational convenience of the device.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223306145U_ABST
    Figure CN223306145U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of linear guide rails, and discloses a linear guide rail with a precision adjusting function, which comprises a guide rail, a slider is slidably connected to the outer side of the guide rail, a rotating block is rotatably connected to the middle of the top end of the inner wall of the slider, and a positioning ring is fixedly connected to the top of the inner wall of the slider. Clamping plates are rotationally connected to the periphery of the outer wall of the positioning ring, springs are fixedly connected to the outer sides of the clamping plates, the other ends of the springs are fixedly connected with the positioning ring, rubber blocks are fixedly connected to the periphery of the outer wall of the rotating block, and a gear is fixedly connected to the bottom of the rotating block. According to the guide rail clamping device, the rotating block is rotated after the sliding block is started to move along the guide rail, the rotating angle is controlled through the elasticity of the rubber block, clamping of the limiting clamping plate and the elasticity of the spring, the rotating condition of related parts is adjusted, the moving position is adjusted through meshing transmission, the clamping force of the guide rail is flexibly adjusted, and therefore the precision of the adjusting device is accurately controlled.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of linear guide rails, in particular to a linear guide rail with a precision adjustment function. Background Art

[0002] Linear guides are an extremely important mechanical device, consisting of high-precision guide rails and sliders equipped with balls or rollers. The guide rails are made of high-strength steel and are finely ground to ensure excellent straightness and flatness. In order to improve the accuracy of the guide rails during movement, a linear guide with precision adjustment function is required.

[0003] The linear guide with precision adjustment function is an advanced linear motion guide device that can effectively adjust the motion accuracy during linear motion. It is very critical in high-precision equipment application scenarios and can adjust the accuracy and stability of the slide rail during movement according to different needs.

[0004] Currently, the linear guides on the market with precision adjustment functions push the clamping plate to clamp the slide rail by rotating the threaded rod, and the conveying accuracy can be adjusted by adjusting the clamping force. However, this adjustment method requires repeated twisting of multiple threaded rods to adjust the clamping force during actual adjustment. In addition, the gradual rotation of the threaded rods during adjustment will cause uneven clamping force, thereby reducing the reliability of the device. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a linear guide rail with precision adjustment function, aiming to improve the problem in the prior art that the linear guide rail has uneven clamping force during adjustment and needs to gradually twist the corresponding threaded rod, resulting in cumbersome operation.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a linear guide rail with a precision adjustment function, comprising a guide rail, the outer side of the guide rail is slidably connected to a slider, the middle part of the top of the inner wall of the slider is rotatably connected to a rotating block, the top of the inner wall of the slider is fixedly connected to a positioning ring, the outer wall of the positioning ring is rotatably connected to a clamping plate, the outer side of the clamping plate is fixedly connected to a spring, the other end of the spring is fixedly connected to the positioning ring, the outer wall of the rotating block is fixedly connected to a rubber block all around, the bottom of the rotating block is fixedly connected to a gear, the front and rear sides of the inner wall top of the slider are slidably connected to a rack, the rack is meshed with the gear, the outer side of the rack is fixedly connected to a splint, and a fixing mechanism is provided on the inner side of the slider, and the fixing mechanism is used to fix the equipment on the outer side of the slider.

[0007] As a further description of the above technical solution:

[0008] The fixing mechanism includes a reserved groove, which is opened at the top of the inner wall of the slider, and the left and right sides of the inner wall of the reserved groove are rotatably connected with a bidirectional threaded rod, and the front and rear sides of the outer wall of the bidirectional threaded rod are threadedly connected with a moving block, the outer side of the moving block is rotatably connected to a telescopic plate, and the outer side of the telescopic plate is rotatably connected to a push plate.

[0009] As a further description of the above technical solution:

[0010] The front and rear sides of the right end of the slider are rotatably connected to handles, the outer side of the handle passes through the slider and is fixedly connected to the bidirectional threaded rod, the middle top of the slider is rotatably connected to a knob, and the bottom of the knob passes through the slider and is fixedly connected to the rotating block.

[0011] As a further description of the above technical solution:

[0012] Slide grooves are provided on the left and right sides of the inner wall of the reserved groove, and the slide grooves are slidably connected to the push plate.

[0013] As a further description of the above technical solution:

[0014] The outer side of the clamping plate is fixedly connected with a roller, and the front and rear sides of the outer wall of the guide rail are both provided with sliding rails.

[0015] As a further description of the above technical solution:

[0016] The outer wall of the guide rail is fixedly connected with brackets on all sides, and the bottom of the bracket is fixedly connected with a bottom plate.

[0017] As a further description of the above technical solution:

[0018] Positioning blocks are fixedly connected to the left and right sides of the outer wall of the guide rail, and positioning holes are opened on the outer sides of the positioning blocks.

[0019] As a further description of the above technical solution:

[0020] A controller is fixedly connected to the left side of the outer wall of the slider, and the controller is electrically connected to the slider.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, the slider is started to move along the guide rail, and the rotating block is rotated. The engagement of the rubber block and the clamping plate and the elasticity of the spring are used to control the rotation angle of the rotating block, thereby adjusting the rotation direction and angle of the moving block and the gear thereon. The moving position of the moving rack and the splint is regulated by meshing transmission to achieve flexible adjustment of the clamping force of the guide rail, which can accurately control and adjust the accuracy of the device, thereby improving the reliability of the device.

[0023] 2. In the present invention, by rotating the bidirectional threaded rod, the threaded connection is used to cause the moving block to be displaced. As the moving block moves, the telescopic plate is driven to rotate. During the rotation process, the telescopic plate relies on its own telescopic characteristics to push the push plate to move. Finally, the installation and fixing process of the device is completed with the help of the push plate and the reserved groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a three-dimensional diagram of a linear guide rail with precision adjustment function proposed by the utility model;

[0025] Figure 2 This is a front view of a linear guide rail with precision adjustment function proposed by the utility model;

[0026] Figure 3 This is a partial structural breakdown diagram of a linear guide rail with precision adjustment function proposed by the utility model;

[0027] Figure 4 This is a partial structural diagram of a linear guide rail with precision adjustment function proposed by the utility model;

[0028] Figure 5 This is a disassembled diagram of the fixing mechanism of a linear guide rail with precision adjustment function proposed in the utility model.

[0029] Legend:

[0030] 1. Guide rail; 2. Fixing mechanism; 201. Bidirectional threaded rod; 202. Moving block; 203. Telescopic plate; 204. Push plate; 205. Reserved slot; 3. Slider; 4. Rotating block; 5. Rubber block; 6. Gear; 7. Positioning ring; 8. Clamp; 9. Spring; 10. Rack; 11. Clamp; 12. Roller; 13. Slide rail; 14. Knob; 15. Slide groove; 16. Handle; 17. Controller; 18. Positioning block; 19. Positioning hole; 20. Bracket; 21. Base plate. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] Reference Figure 1 、 Figure 3 and Figure 4The present invention provides an embodiment of a linear guide rail with a precision adjustment function, comprising a guide rail 1, a slider 3 being slidably connected to the outer side of the guide rail 1, and the slider 3 can move along the guide rail 1, and the middle part of the inner wall top of the slider 3 is rotatably connected to a rotating block 4, the inner wall top of the slider 3 is fixedly connected to a positioning ring 7, and the outer wall of the positioning ring 7 is rotatably connected to a clamping plate 8, and the outer side of the clamping plate 8 is fixedly connected to a spring 9, and the other end of the spring 9 is fixedly connected to the positioning ring 7 and the elasticity of the spring 9 can push the rotating block 4 to move along the positioning ring 7. The outer wall of the rotating block 4 is fixedly connected to a rubber block 5, and the bottom of the rotating block 4 is fixedly connected to a gear 6. Rotating the rotating block 4 can drive the gear 6 to rotate, and the front and rear sides of the inner wall top of the slider 3 are slidably connected to a rack 10, and the rack 10 is meshed with the gear 6 through meshing transmission, which can drive the rack 10 to move when the gear 6 rotates. The outer side of the rack 10 is fixedly connected to a splint 11, and a fixing mechanism 2 is provided on the inner side of the slider 3, and the fixing mechanism 2 is used to fix the equipment on the outer side of the slider 3;

[0033] Reference Figure 1 、 Figure 3 and Figure 5 The fixing mechanism 2 includes a reserved groove 205, which is provided at the top of the inner wall of the slider 3. The left and right sides of the inner wall of the reserved groove 205 are rotatably connected with a bidirectional threaded rod 201, and the front and rear sides of the outer wall of the bidirectional threaded rod 201 are threadedly connected with a moving block 202. Rotating the bidirectional threaded rod 201 can drive the moving block 202 to move through the threaded connection. The outer side of the moving block 202 is rotatably connected to a telescopic plate 203. As the moving block 202 moves, the telescopic plate 203 can be pushed to rotate. The outer side of the telescopic plate 203 is rotatably connected to a push plate 204.

[0034] Reference Figure 1 、 Figure 3 and Figure 5 The front and rear sides of the right end of the slider 3 are rotatably connected to a handle 16, the outer side of the handle 16 passes through the slider 3 and is fixedly connected to the bidirectional threaded rod 201, and the bidirectional threaded rod 201 can be easily rotated by turning the handle 16. The top middle part of the slider 3 is rotatably connected to the knob 14, and the bottom of the knob 14 passes through the slider 3 and is fixedly connected to the rotating block 4. By turning the knob 14, the rotating block 4 can be easily driven to rotate; the left and right sides of the inner wall of the reserved groove 205 are provided with sliding grooves 15, and the sliding grooves 15 are slidably connected to the push plate 204; the outer side of the splint 11 is fixedly connected to the roller 12, and the front and rear sides of the outer wall of the guide rail 1 are provided with slide rails 13, and the sliding of the roller 12 and the slide rail 13 can improve the stability of the slider 3 when moving;

[0035] Reference Figure 1 and Figure 2, the outer wall of the guide rail 1 is fixedly connected with a bracket 20 on all sides, and the bottom of the bracket 20 is fixedly connected with a bottom plate 21, which can improve the support and fixing efficiency of the guide rail 1 on the device; the left and right sides of the outer wall of the guide rail 1 are fixedly connected with positioning blocks 18, and the outer side of the positioning block 18 is provided with a positioning hole 19. By installing a screw member in the positioning hole 19 in the positioning block 18, the device can be easily installed and fixed; the left side of the outer wall of the slider 3 is fixedly connected with a controller 17, and the controller 17 is electrically connected to the slider 3. The controller 17 can be used to control the slider 3 to move along the slide rail 13;

[0036] Working principle: Before using the device, first start the slider 3 to move along the guide rail 1, rotate the rotating block 4, and with the engagement of the rubber block 5 and the clamping plate 8 and the elasticity of the spring 9, control the rotation angle of the rotating block 4. At this time, the rotation position and angle of the rotating block 4 and the gear 6 thereon can be adjusted to move the position of the rack 10 and the clamping plate 11 during movement through meshing transmission, so as to adjust the clamping force of the guide rail 1 when it is fixed, and thus facilitate the adjustment of the clamping force of the device on the guide rail 1, so as to adjust the accuracy of the device.

[0037] And by rotating the bidirectional threaded rod 201, the moving block 202 is driven to move through the threaded connection. At this time, the movement of the moving block 202 drives the rotation of the telescopic plate 203. At this time, the rotation and self-extension of the telescopic plate 203 push the push plate 204 to move, so that the device is installed and fixed through the push plate 204 and the reserved groove 205.

[0038] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A linear guide rail with precision adjustment function, comprising a guide rail (1), characterized in that: The outer side of the guide rail (1) is slidably connected to a slider (3), the middle part of the inner wall top of the slider (3) is rotatably connected to a rotating block (4), the inner wall top of the slider (3) is fixedly connected to a positioning ring (7), the outer wall of the positioning ring (7) is rotatably connected to a clamping plate (8), the outer side of the clamping plate (8) is fixedly connected to a spring (9), the other end of the spring (9) is fixedly connected to the positioning ring (7), the outer wall of the rotating block (4) is fixedly connected to a rubber block (5), the bottom of the rotating block (4) is fixedly connected to a gear (6), the front and rear sides of the inner wall top of the slider (3) are slidably connected to a rack (10), the rack (10) is meshed with the gear (6), the outer side of the rack (10) is fixedly connected to a splint (11), the inner side of the slider (3) is provided with a fixing mechanism (2), the fixing mechanism (2) is used to fix the device on the outer side of the slider (3).

2. The linear guide rail with precision adjustment function according to claim 1, characterized in that: The fixing mechanism (2) comprises a reserved groove (205), the reserved groove (205) being opened at the top of the inner wall of the slider (3), the left and right sides of the inner wall of the reserved groove (205) being rotatably connected to a bidirectional threaded rod (201), the front and rear sides of the outer wall of the bidirectional threaded rod (201) being threadedly connected to a moving block (202), the outer side of the moving block (202) being rotatably connected to a telescopic plate (203), and the outer side of the telescopic plate (203) being rotatably connected to a push plate (204).

3. The linear guide rail with precision adjustment function according to claim 2, characterized in that: The front and rear sides of the right end of the slider (3) are both rotatably connected to handles (16), the outer side of the handle (16) passes through the slider (3) and is fixedly connected to the bidirectional threaded rod (201), and the middle part of the top end of the slider (3) is rotatably connected to a knob (14), the bottom of the knob (14) passes through the slider (3) and is fixedly connected to the rotating block (4).

4. The linear guide rail with precision adjustment function according to claim 2, characterized in that: Slide grooves (15) are provided on both the left and right sides of the inner wall of the reserved groove (205), and the slide grooves (15) are slidably connected to the push plate (204).

5. The linear guide rail with precision adjustment function according to claim 1, characterized in that: The outer side of the clamping plate (11) is fixedly connected to a roller (12), and the front and rear sides of the outer wall of the guide rail (1) are both provided with slide rails (13).

6. The linear guide rail with precision adjustment function according to claim 1, characterized in that: The outer wall of the guide rail (1) is fixedly connected to brackets (20) on all sides, and the bottom of the bracket (20) is fixedly connected to a bottom plate (21).

7. The linear guide rail with precision adjustment function according to claim 1, characterized in that: Positioning blocks (18) are fixedly connected to the left and right sides of the outer wall of the guide rail (1), and positioning holes (19) are provided on the outer sides of the positioning blocks (18).

8. The linear guide rail with precision adjustment function according to claim 1, characterized in that: A controller (17) is fixedly connected to the left side of the outer wall of the slider (3), and the controller (17) is electrically connected to the slider (3).