Adjusting device for linear guide rail of numerical control machine tool
By designing a spindle drive assembly and an angle measuring device on the linear guide of a CNC machine tool, the problems of unidirectional tilting and inconvenient angle measurement in the existing technology are solved, realizing bidirectional adjustment and precise angle display, and improving the practicality and ease of operation of the device.
Patent Information
- Application Number
- CN202520434724.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-03-12
AI Technical Summary
Existing linear guide adjustment devices for CNC machine tools can only tilt in one direction, which is not very practical and lacks angle measurement function, making them inconvenient to use.
An adjustment device including a rotating shaft, a drive assembly, an angle gauge, and a pointer is designed. The rotating shaft can be rotated in both directions through a worm gear structure. Stability is improved by combining an electric cylinder and an arc-shaped clamp. The tilt angle is displayed by the pointer and the angle gauge.
It achieves bidirectional tilt adjustment of the linear guide rail, improving practicality, and the tilt angle can be easily measured by pointer and angle ruler, enhancing ease of use.
Smart Images

Figure CN223933084U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of linear guide adjustment technology, specifically an adjustment device for linear guides of CNC machine tools. Background Technology
[0002] The guide rail of a CNC machine tool is the guide track for the movement of various parts of the machine tool. It guides the various parts of the machine tool to move along a specified trajectory and speed, while bearing and distributing the gravity and cutting force of the moving parts, ensuring the machining accuracy and stability of the machine tool. Linear guide rails are generally installed horizontally. Sometimes, in order to meet the machining of inclined angles, an adjustment device is used to adjust the angle of the linear guide rail.
[0003] Chinese Utility Model Announcement No. CN212823910U includes a base plate placed on a CNC machine tool. A linear guide rail is positioned directly above the base plate. The four corners of the base plate are connected to the CNC machine tool via fixing mechanisms. A side plate is fixed to one side of the base plate, and the side plate is rotatably connected to the bottom of the linear guide rail. A sliding hole is formed on the other side of the base plate, with bearings embedded in both inner walls of the sliding hole. A slider is slidably disposed within the sliding hole. When the angle of the linear guide rail needs to be adjusted, this adjustment mechanism only requires rotating a threaded rod, which in turn moves the slider along the threaded rod.
[0004] The applicant found some shortcomings in the use of the patent: the angle adjustment can only tilt the linear guide to one side, but cannot tilt to the other side, which is not very practical. Moreover, since there is no angle measurement function and there is only a scale, the tilt angle cannot be directly observed, making it inconvenient to use.
[0005] Therefore, this utility model designs an adjustment device for the linear guide rail of a CNC machine tool to solve the problems existing in the prior art. Utility Model Content
[0006] The purpose of this invention is to provide an adjustment device for linear guideways of CNC machine tools to solve the problems mentioned in the background art.
[0007] To achieve the above objectives, this utility model provides the following technical solution: an adjustment device for a linear guide rail of a CNC machine tool, comprising: a mounting plate, two vertical plates mounted on the top center of the mounting plate, a rotating shaft rotatably mounted between the two vertical plates, a rotating block mounted on the middle of the outer side wall of the rotating shaft, the top of the rotating block fixedly mounted at the middle of the bottom of a support plate, a linear guide rail mounted on the top of the support plate, a drive assembly provided on the rotating shaft, an angle gauge mounted above one end of one of the vertical plates, and a pointer mounted on one end of the rotating shaft.
[0008] Preferably, the drive assembly includes a worm gear, which is mounted on the end of the rotating shaft away from the pointer. A worm gear meshing with the worm gear is rotatably mounted on the vertical plate. One side of the worm gear is connected to the output end of the drive motor. The drive motor drives the worm gear to rotate in both directions, causing the worm gear to rotate in both directions, which in turn drives the rotating shaft to rotate in both directions.
[0009] Preferably, two electric cylinders are installed at one end of the upright plate, and the output end of the electric cylinder is connected to an arc-shaped clamp. The two arc-shaped clamps are located on both sides of one end of the rotating shaft. When the angle of the linear guide is adjusted, the electric cylinder drives the arc-shaped clamps to extend, and the two arc-shaped clamps clamp one end of the rotating shaft, which can improve the stability of the rotating shaft, thereby improving the stability of the linear guide.
[0010] Preferably, the surface of the arc-shaped clamping block is provided with a wear-resistant layer, which can improve the wear resistance of the arc-shaped clamping block.
[0011] Preferably, the two sides of the rotating block and the bottom two sides of the support plate are connected by reinforcing ribs, which can improve the stability between the rotating block and the support plate.
[0012] Preferably, the top two ends of the support plate are provided with weight-reducing grooves, which can reduce the weight of the support plate.
[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0014] 1. This utility model allows the rotating block to rotate left and right by rotating the shaft on the vertical plate in both directions, which in turn causes the support plate to tilt the linear guide rail left and right, thus meeting different usage needs. Compared with only tilting in one direction, it is more practical. Moreover, during the rotation of the shaft, the pointer rotates, and the operator can directly know the tilt angle by the position of the pointer on the angle ruler, making it more convenient to use. Attached Figure Description
[0015] Figure 1 This is a frontal view of the present invention from below.
[0016] Figure 2 This is a rear view schematic diagram of the present invention;
[0017] Figure 3 This is a schematic diagram of the drive component structure of this utility model.
[0018] In the diagram: 1. Mounting plate; 2. Vertical plate; 3. Rotating shaft; 4. Rotating block; 5. Support plate; 6. Linear guide rail; 7. Drive assembly; 8. Angle ruler; 9. Pointer; 10. Reinforcing rib; 701. Worm gear; 702. Worm; 703. Drive motor; 704. Electric cylinder; 705. Arc-shaped clamping block. Detailed Implementation
[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0020] Please see Figure 1-3 An embodiment of this utility model provides an adjustment device for a linear guide rail of a CNC machine tool, comprising: a mounting plate 1, with two upright plates 2 mounted at the top center of the mounting plate 1, a rotating shaft 3 rotatably mounted between the two upright plates 2, a rotating block 4 mounted at the middle of the outer side wall of the rotating shaft 3, the top of the rotating block 4 being fixedly mounted at the middle of the bottom of a support plate 5, a linear guide rail 6 mounted on the top of the support plate 5, a drive assembly 7 provided on the rotating shaft 3, an angle ruler 8 mounted above one end of one upright plate 2, and a pointer 9 mounted at one end of the rotating shaft 3.
[0021] Please see Figure 1-3 In this embodiment: the drive assembly 7 includes a worm gear 701, which is installed on the end of the rotating shaft 3 away from the pointer 9. A worm 702 that meshes with the worm gear 701 is rotatably installed on the vertical plate 2. One side of the worm 702 is connected to the output end of the drive motor 703. Two brackets are provided on the vertical plate 2, and the worm 702 is rotatably installed between the two brackets.
[0022] Please see Figure 1-3 In this embodiment: two electric cylinders 704 are installed at one end of the upright plate 2. The output end of the electric cylinder 704 is connected to an arc-shaped clamping block 705. The two arc-shaped clamping blocks 705 are located on both sides of one end of the rotating shaft 3. The electric cylinders are installed on the upright plate through a mounting bracket.
[0023] Please see Figure 1-3 In this embodiment: the surface of the arc-shaped clamp 705 is provided with a wear-resistant layer, which is made of wear-resistant alloy steel.
[0024] Please see Figure 1-3 In this embodiment, the two sides of the rotating block 4 and the two bottom sides of the support plate 5 are connected by reinforcing ribs 10.
[0025] Please see Figure 1-3 In this embodiment: weight-reducing grooves are provided at both ends of the top of the support plate 5.
[0026] Working principle: The mounting plate 1 is fixed on the CNC machine tool. When the angle of the linear guide rail 6 needs to be adjusted, the drive motor 703 is started, which makes the worm gear 702 rotate and drive the worm wheel 701 to rotate, which in turn makes the rotating shaft 3 rotate. The rotating shaft 3 makes the rotating block 4 rotate, which in turn drives the support plate 5 to rotate, thereby tilting the linear guide rail 6. By rotating the drive motor 703 in both directions, the linear guide rail 6 can be tilted left and right to adjust the angle, which is more practical. Moreover, the rotation of the rotating shaft 3 drives the pointer 9 to rotate, and the operator can directly know the tilt angle through the pointer 9 and the angle ruler 8, which is more convenient. The contents not described in detail in this instruction are existing technologies known to those skilled in the art.
[0027] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. An adjustment device for a linear guideway of a CNC machine tool, comprising: The mounting plate (1) is characterized in that: two upright plates (2) are installed at the top middle of the mounting plate (1), a rotating shaft (3) is rotatably installed between the two upright plates (2), a rotating block (4) is installed at the middle of the outer side wall of the rotating shaft (3), the top of the rotating block (4) is fixedly installed at the middle of the bottom of the support plate (5), a linear guide rail (6) is installed on the top of the support plate (5), a driving assembly (7) is provided on the rotating shaft (3), an angle ruler (8) is installed above one end of one of the upright plates (2), and a pointer (9) is installed at one end of the rotating shaft (3).
2. The adjustment device for a linear guideway of a CNC machine tool according to claim 1, characterized in that: The drive assembly (7) includes a worm gear (701) which is mounted on the end of the shaft (3) away from the pointer (9). A worm (702) that meshes with the worm gear (701) is rotatably mounted on the vertical plate (2). One side of the worm (702) is connected to the output end of the drive motor (703).
3. The adjustment device for a linear guideway of a CNC machine tool according to claim 2, characterized in that: Two electric cylinders (704) are installed at one end of the upright plate (2). The output end of the electric cylinder (704) is connected to an arc-shaped clamp (705). The two arc-shaped clamps (705) are located on both sides of one end of the rotating shaft (3).
4. The adjustment device for a linear guideway of a CNC machine tool according to claim 3, characterized in that: The surface of the arc-shaped clamp (705) is provided with a wear-resistant layer.
5. The adjustment device for a linear guideway of a CNC machine tool according to claim 1, characterized in that: The two sides of the rotating block (4) and the bottom two sides of the support plate (5) are connected by reinforcing ribs (10).
6. The adjustment device for a linear guideway of a CNC machine tool according to claim 1, characterized in that: The support plate (5) has weight-reducing grooves at both ends of its top.
Citation Information
Patent Citations
Adjusting mechanism for numerical control machine tool linear guide rail installation
CN212823910U