High-precision guide rail flatness detection equipment
By adding mounting plates, support wheels and moving components on the outside of the guide rail, combined with the lifting and adjustable measuring instrument structure, the existing guide rail plane detection methods are solved, and high-precision detection of guide rails of different sizes is achieved.
Patent Information
- Application Number
- CN202421720561.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-19
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-07-19
AI Technical Summary
The existing guide rail planarity detection methods are costly and inefficient, and are difficult to adapt to guide rails of different sizes.
A high-precision rail planarity detection device is designed to achieve multi-directional adjustment and detection by adding mounting plates, support wheels and moving components on the outside of the rail. The device adopts a lift-adjustable measuring instrument structure, and controls the height and low position of the measuring instrument through a rotating block, screw rod and top wire.
It realizes high-precision detection of guide rails of different sizes, reduces detection costs, improves detection efficiency, and has a simple and practical structure, which is convenient for installation and adjustment.
Smart Images

Figure CN222773978U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of guide rail flatness detection, in particular to a high-precision guide rail flatness detection device. Background Art
[0002] Flatness refers to the flatness of the measured surface relative to the ideal surface. It is an important indicator for measuring the quality of workpieces. Flatness detection plays a vital role in ensuring the performance of the product, extending its service life, and reducing failures. The flatness of the guide rail refers to the flatness of the base surface on which the guide rail is installed. It is one of the important factors to ensure the operating accuracy and life of the equipment. The flatness of the guide rail directly affects the accuracy and service life of the equipment.
[0003] The above-mentioned existing technical solutions have the following defects: the existing detection method is to test the height of the part surface through a dial indicator. This testing method requires setting up several fixed blocks, and obtaining the part flatness data by inserting the dial indicator into different fixed blocks. The longer the guide rail, the more fixed blocks are deployed, which is costly, impractical, and has low detection efficiency. Utility Model Content
[0004] The utility model aims to provide a high-precision guide rail flatness detection device.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A high-precision guide rail flatness detection device comprises a guide rail body, a mounting plate is arranged on the outer side of the guide rail body, a waist-shaped hole and a through hole are opened inside the mounting plate, a support wheel is fixedly connected to the outer side of the mounting plate, and a moving component is installed inside the waist-shaped hole;
[0007] The interior of the moving component includes a fixed seat, a screw, a nut and a roller. The outer side of the fixed seat is fixedly connected with the screw, the outer side of the screw is provided with a nut, and the interior of the fixed seat is rotatably connected with the roller.
[0008] By adopting the above technical solution, a mounting plate is added to the outside of the guide rail, and an upper end surface supporting structure and a side clamping structure are added to the outside of the mounting plate. Auxiliary support is provided by support wheels. At the same time, the clamping structure located on the side of the guide rail can be clamped by rollers and can also slide. The device is installed on the outside of the guide rail, and mobile detection can be performed. It can be moved to different positions and then detected.
[0009] Furthermore, a fixed block is fixedly connected to the outer side of the mounting plate, a screw rod and a movable rod are arranged inside the fixed block, a rotating block is arranged on the outer side of the fixed block, a mounting hole and a threaded hole are opened inside the movable rod, a top screw is inserted into the inside of the threaded hole, and a measuring instrument is inserted into the inside of the mounting hole.
[0010] By adopting the above technical solution, a structure that can be raised and lowered is added to the outside of the measuring instrument. The screw rod can be rotated by the rotating block to drive the moving rod to move up and down, thereby controlling the height of the measuring instrument and facilitating detection and use.
[0011] Furthermore, the waist-shaped holes and the supporting wheels are symmetrically arranged in two groups, each group of the waist-shaped holes and the supporting wheels is respectively provided with two, and the supporting wheels slide along the surface of the guide rail body.
[0012] By adopting the above technical solution and adding a symmetrical structure, clamping can be performed from both sides, and sliding can be achieved with the help of rollers, so that the device can be moved for detection.
[0013] Furthermore, the fixing seat, screw, nut and roller are symmetrically arranged in two groups, each group has two screws, each group has four nuts, and each group has four rollers. The screw extends to the outside of the mounting plate through the waist-shaped hole, the screw and nut are threadedly connected, and the roller slides along the outer surface of the guide rail body.
[0014] By adopting the above technical solution and increasing the structure of the screw and the nut, the screw can move horizontally left and right in the waist-shaped hole, and can also move up and down. The different positions of the screw can be adjusted, and the position of the roller will also be adjusted accordingly. In order to adapt to different guide rail sizes, adaptive adjustments can be made. Guide rails of different sizes can be tested, and clamping is also convenient. The structure is simple and practical.
[0015] Furthermore, one end of the screw rod extends through the fixed block to the outside of the fixed block and is fixedly connected to the rotating block, the other end of the screw rod is rotatably connected to the fixed block via a bearing, the movable rod and the screw rod are threadedly connected, the measuring instrument is interference fit connected to the mounting hole, the top screw is threadedly connected to the threaded hole, and one end of the top screw is in contact with the surface of the measuring instrument.
[0016] By adopting the above technical solution, the measuring instrument is installed inside the mounting hole and then assisted in fixing by the top screw, which is convenient for disassembly and assembly. At the same time, during detection, the screw rod can be driven to rotate by rotating the rotating block, and the measuring instrument can be controlled to descend, and the flatness measurement of the guide rail can be started. The flatness of different points can be measured. When moving, the measuring instrument is raised to avoid scratching of the measuring head and the surface of the guide rail. The operation is convenient and quick.
[0017] In summary, the beneficial technical effects of the utility model are:
[0018] 1. A mobile component is used. A mobile component that can be adjusted in multiple directions is added to the outside of the guide rail. The stability of the structure can be ensured by clamping the symmetrically distributed rollers with the outside of the guide rail and then supporting it vertically through the support wheels. At the same time, the position of the screw inside the waist-shaped hole can be adjusted adaptively according to the size of different guide rails, and then it can be locked and fixed by the nut. Guide rails of different sizes can be installed and tested, which makes installation and adjustment convenient.
[0019] 2. The rotating block, top screw and lead screw are used. The measuring instrument is installed in a structure that can be raised and lowered. The interference fit connection and the top screw are used to fix the measuring instrument. At the same time, the structure is simple and convenient for disassembly and assembly. At the same time, the height of the measuring instrument can be controlled, which is convenient for detection and use, and produces a stable working effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0021] Figure 2 This is a schematic diagram of the three-dimensional structure of the fixing block of the utility model;
[0022] Figure 3 This is a schematic diagram of the three-dimensional structure of the mounting plate of the utility model;
[0023] Figure 4 It is a schematic diagram of the three-dimensional structure of the mobile component of the utility model.
[0024] In the figure, 1, guide rail body; 2, mounting plate; 3, waist-shaped hole; 4, through hole; 5, support wheel; 6, moving component; 7, fixed block; 8, screw rod; 9, rotating block; 10, moving rod; 11, mounting hole; 12, threaded hole; 13, top screw; 14, measuring instrument; 61, fixing seat; 62, screw rod; 63, nut; 64, roller. DETAILED DESCRIPTION
[0025] The utility model is further described in detail below in conjunction with the accompanying drawings.
[0026] Reference Figure 1-4A high-precision guide rail flatness detection device comprises a guide rail body 1, a mounting plate 2 is arranged on the outer side of the guide rail body 1, a waist-shaped hole 3 and a through hole 4 are opened inside the mounting plate 2, a support wheel 5 is fixedly connected to the outer side of the mounting plate 2, a moving component 6 is installed inside the waist-shaped hole 3, the moving component 6 includes a fixed seat 61, a screw 62, a nut 63 and a roller 64 inside, a screw 62 is fixedly connected to the outer side of the fixed seat 61, a nut 63 is arranged on the outer side of the screw 62, a roller 64 is rotatably connected to the inner side of the fixed seat 61, a fixed block 7 is fixedly connected to the outer side of the mounting plate 2, a screw 8 and a moving rod 10 are arranged inside the fixed block 7, a rotating block 9 is arranged on the outer side of the fixed block 7, and the inner side of the moving rod 10 A mounting hole 11 and a threaded hole 12 are provided, a top screw 13 is inserted into the inside of the threaded hole 12, a measuring instrument 14 is inserted into the inside of the mounting hole 11, a mounting plate 2 is added to the outside of the guide rail, and an upper end surface supporting structure and a side clamping structure are added to the outside of the mounting plate 2, and auxiliary support is provided by a support wheel 5. At the same time, the clamping structure located on the side of the guide rail can be clamped by a roller 64 and can also slide. The device is installed on the outside of the guide rail, and mobile detection can be performed. It can be moved to different positions and then tested. A structure that can be raised and lowered is added to the outside of the measuring instrument 14, and the screw rod 8 can be rotated by the rotating block 9 to drive the moving rod 10 to move up and down, thereby controlling the height of the measuring instrument 14 for convenient detection and use.
[0027] like Figure 1-4As shown, the waist-shaped holes 3 and the support wheels 5 are symmetrically arranged in two groups, each group of the waist-shaped holes 3 and the support wheels 5 is respectively provided with two, and the support wheels 5 slide along the surface of the guide rail body 1, and the fixed seat 61, the screw rod 62, the nut 63 and the roller 64 are symmetrically arranged in two groups, each group of the screw rods 62 is provided with two, each group of the nuts 63 is provided with four, and each group of the rollers 64 is provided with four, the screw rod 62 extends to the outside of the mounting plate 2 through the waist-shaped hole 3, the screw rod 62 and the nut 63 are threadedly connected, and the roller 64 slides along the outer surface of the guide rail body 1, one end of the screw rod 8 extends to the outside of the fixed block 7 through the fixed block 7, and is fixedly connected to the rotating block 9, and the other end of the screw rod 8 is rotatably connected to the fixed block 7 through a bearing, the moving rod 10 is threadedly connected to the screw rod 8, the measuring instrument 14 is connected to the mounting hole 11 by interference fit, and the top screw 13 and the screw The groove hole 12 is threadedly connected, and one end of the top screw 13 is in contact with the surface of the measuring instrument 14. By adding the structure of the screw 62 and the nut 63, the screw 62 can be moved left and right in the waist-shaped hole 3, and can also be moved up and down. The different positions of the screw 62 can be adjusted, and the position of the roller 64 will also be adjusted accordingly. In order to adapt to different guide rail sizes, adaptive adjustments can be made. Guide rails of different sizes can be tested, and it is also convenient for clamping. The structure is simple and practical. By installing the measuring instrument 14 inside the mounting hole 11, and then auxiliary fixing it with the top screw 13, it is convenient for disassembly and assembly. At the same time, during testing, the screw 8 can be driven to rotate by rotating the rotating block 9, and the measuring instrument 14 can be controlled to descend, and the flatness measurement of the guide rail can be started. The flatness measurement of different points is performed, and the measuring instrument 14 is raised during movement to avoid the measuring head from scratching the guide rail surface. The operation is convenient and quick.
[0028] The implementation principle of this embodiment is as follows: first, the device is adjusted according to different guide rails, the screw rod 62 is moved laterally to adjust the width, and then the screw rod 62 is moved up and down so that the roller 64 can better fit the side of the guide rail. After the position is determined, the nut 63 is locked to fix the device so that the device can slide along the outside of the guide rail, and then the measuring instrument 14 is inserted into the inside of the mounting hole 11, and then locked and fixed by the top screw 13, and then the surface of the guide rail is tested for flatness by the measuring instrument 14. In the process of the device sliding along the guide rail, different points are tested to ensure that the flatness of each position is qualified. In order to prevent the measuring head of the measuring instrument 14 from scratching the surface of the guide rail, the rotating block 9 can be manually rotated to drive the screw rod 8 to rotate, thereby driving the moving rod 10 clamping the measuring instrument 14 to move up and down, and the height of the measuring instrument 14 can be controlled. When used for detection, the measuring instrument 14 is lowered, and when not in use temporarily, the measuring instrument 14 is raised to protect the measuring head.
[0029] The embodiments of this specific implementation method are all preferred embodiments of the utility model, and are not intended to limit the protection scope of the utility model. Therefore, all equivalent changes made based on the structure, shape, and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A high-precision guide rail flatness detection device, comprising a guide rail body (1), characterized in that: A mounting plate (2) is arranged on the outer side of the guide rail body (1), a waist-shaped hole (3) and a through hole (4) are provided inside the mounting plate (2), a supporting wheel (5) is fixedly connected to the outer side of the mounting plate (2), and a moving component (6) is installed inside the waist-shaped hole (3); The interior of the moving assembly (6) comprises a fixed seat (61), a screw rod (62), a nut (63) and a roller (64); the outer side of the fixed seat (61) is fixedly connected to the screw rod (62); the outer side of the screw rod (62) is provided with a nut (63); and the interior of the fixed seat (61) is rotatably connected to the roller (64).
2. The high-precision guide rail flatness detection device according to claim 1, characterized in that: The outer side of the mounting plate (2) is fixedly connected with a fixed block (7), the interior of the fixed block (7) is provided with a screw rod (8) and a moving rod (10), the outer side of the fixed block (7) is provided with a rotating block (9), the interior of the moving rod (10) is provided with a mounting hole (11) and a threaded hole (12), the interior of the threaded hole (12) is plugged with a top screw (13), and the interior of the mounting hole (11) is plugged with a measuring instrument (14).
3. The high-precision guide rail flatness detection device according to claim 1, characterized in that: The waist-shaped holes (3) and the supporting wheels (5) are symmetrically arranged in two groups, each group of the waist-shaped holes (3) and the supporting wheels (5) is respectively provided with two, and the supporting wheels (5) slide along the surface of the guide rail body (1).
4. The high-precision guide rail flatness detection device according to claim 1, characterized in that: The fixing seat (61), the screw rod (62), the nut (63) and the roller (64) are symmetrically arranged in two groups, each group of the screw rods (62) is provided with two, each group of the nuts (63) is provided with four, and each group of the rollers (64) is provided with four. The screw rod (62) passes through the waist-shaped hole (3) and extends to the outside of the mounting plate (2). The screw rod (62) and the nut (63) are threadedly connected, and the roller (64) slides along the outer surface of the guide rail body (1).
5. The high-precision guide rail flatness detection device according to claim 2, characterized in that: One end of the screw rod (8) passes through the fixed block (7) and extends to the outside of the fixed block (7), and is fixedly connected to the rotating block (9); the other end of the screw rod (8) is rotatably connected to the fixed block (7) via a bearing; the movable rod (10) and the screw rod (8) are threadedly connected; the measuring instrument (14) is connected to the mounting hole (11) by interference fit; the top screw (13) and the threaded hole (12) are threadedly connected; and one end of the top screw (13) is in contact with the surface of the measuring instrument (14).