High-universality quick-changing clamp structure for super-long guide rail
By designing a highly versatile quick-change fixture structure, the problem of machine tool fixtures being non-universal for different guide rail models and inconvenient to replace is solved, rapid adaptation, multi-station processing and precision assurance are achieved, and processing quality and efficiency are improved.
Patent Information
- Application Number
- CN202423057013.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-10-28
- Estimated Expiration
- 2034-12-11
AI Technical Summary
Existing machine tool fixtures are not universal for different guide rail models and are inconvenient to replace, which affects the processing quality.
A highly versatile quick-change fixture structure is designed, which includes a fixture base, a removable base plate, a cylinder, a pressure plate, a base plate positioning plate, a guide rail positioning plate and a tightening component. Rapid adaptation and positioning correction are achieved through bolt connections and the telescopic end of the cylinder. Combined with the setting of the chip guard plate, multi-station processing and precision assurance are achieved.
It enables quick replacement and adaptation of different types of guide rails, improves installation efficiency and processing accuracy, and ensures the reference positioning and anti-chip protection of the guide rails.
Smart Images

Figure CN223477003U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of clamping technology, specifically to a highly versatile quick-change clamping structure for ultra-long guide rails. Background Technology
[0002] A fixture is a device used in mechanical manufacturing to fix a workpiece in the correct position for operation or inspection; it is also called a clamp. In a broader sense, any device used to quickly, conveniently, and safely install a workpiece at any stage of the manufacturing process can be called a fixture.
[0003] Most existing machine tool fixtures are integral structures. When machining different products, such as guide rails, the entire fixture needs to be replaced, which is inconvenient. Furthermore, installation and debugging are difficult during replacement, affecting the machining quality of the product. Utility Model Content
[0004] To address the technical problems in the existing technology, this utility model provides a highly versatile and quick-change fixture structure for ultra-long guideways, effectively solving the problem that existing machine tools have many types of guideways, resulting in non-universal fixtures and inconvenient replacement.
[0005] The technical solution includes a fixture base, which is fixedly connected to the machine tool worktable. It also includes two replaceable base plates and multiple hydraulic cylinders. The two replaceable base plates are symmetrically arranged and connected to the fixture base by bolts. The multiple hydraulic cylinders are spaced apart along the length of the replaceable base plates. The hydraulic cylinders are fixedly installed between the two replaceable base plates, and pressure plates are installed on the telescopic ends of the hydraulic cylinders. The replaceable base plates are matched with guide rails, and the guide rails are fixed to the replaceable base plates by pressure plates.
[0006] Furthermore, the hydraulic cylinder is located precisely in the middle of the two replaceable base plates.
[0007] Furthermore, a base plate positioning plate is provided on the side of the two replaceable base plates that are far apart from each other. The base plate positioning plate is provided with at least two through holes. Threaded holes matching the through holes are provided on both sides of the fixture base. The base plate positioning plate is connected to the threaded holes by a screw.
[0008] Furthermore, the replaceable base plate is also provided with a guide rail positioning plate, which matches the guide rail and is used to position and calibrate the processed guide rail.
[0009] Furthermore, the end of the replaceable base plate is provided with a clamping component, which abuts against the guide rail, and the side of the clamping component that abuts against the guide rail is a reference surface.
[0010] Furthermore, chip-proof plates are provided on both sides of the fixture base.
[0011] Beneficial effects:
[0012] 1. This utility model, through the setting of two replaceable base plates, multiple oil cylinders, and the replacement base plates and fixture bases connected by bolts, can quickly replace and adapt to different types of guide rail processing, and at the same time realize long stroke and multi-station simultaneous processing.
[0013] 2. In this utility model, the base plate positioning plate facilitates the positioning and calibration of the replaceable base plate, improving installation efficiency; the guide rail positioning plate facilitates the positioning and calibration of the guide rail, improving installation efficiency and the machining accuracy of the guide rail; and the clamping component enables the long-stroke guide rail to be positioned at a reference, ensuring that the edge accuracy meets the requirements.
[0014] 3. In this utility model, the chip-proof plate can achieve chip protection. Attached Figure Description
[0015] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0016] Figure 1 This is a schematic diagram of the overall installation structure of this utility model;
[0017] Figure 2 for Figure 1 Detailed structural diagram of point A in the middle.
[0018] Explanation of reference numerals in the attached figures:
[0019] 1. Fixture base; 2. Machine tool worktable; 3. Replaceable base plate; 4. Hydraulic cylinder; 5. Pressure plate; 6. Base plate positioning plate; 7. Guide rail positioning plate; 8. Tightening components; 9. Chip guard plate. Detailed Implementation
[0020] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.
[0021] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.
[0022] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.
[0023] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.
[0024] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.
[0025] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.
[0026] This utility model provides a highly versatile, quick-change fixture structure for ultra-long guide rails, such as... Figure 1 , Figure 2 As shown, the fixture includes a fixture base 1, which is fixedly connected to the machine tool worktable 2. It also includes two replaceable base plates 3 and multiple hydraulic cylinders 4. The two replaceable base plates 3 are symmetrically arranged and connected to the fixture base 1 by bolts. The multiple hydraulic cylinders 4 are spaced apart along the length of the replaceable base plates 3. The hydraulic cylinders 4 are fixedly installed between the two replaceable base plates 3, and the telescopic end of the hydraulic cylinder 4 is equipped with a pressure plate 5. Preferably, the hydraulic cylinder 4 is located in the middle of the two replaceable base plates 3 for convenient synchronous fixing. The replaceable base plates 3 are matched with guide rails, and the guide rails are fixed to the replaceable base plates 3 by the pressure plates 5.
[0027] In this embodiment, the use of two replaceable base plates 3, multiple hydraulic cylinders 4, and the bolt connection between the replaceable base plates 3 and the fixture base 1 enables quick replacement and adaptation to different types of guide rail processing, while also enabling long stroke and multi-station simultaneous processing.
[0028] In this utility model, preferably, such as Figure 2 As shown, a base plate positioning plate 6 is provided on one side of the two replaceable base plates 3 that are far apart from each other. The base plate positioning plate 6 has at least two through holes. Threaded holes matching the through holes are provided on both sides of the fixture base 1. The base plate positioning plate 6 is connected to the threaded holes by a screw. A guide rail positioning plate 7 is also provided on the replaceable base plate 3. The guide rail positioning plate 7 matches the guide rail and is used to position and calibrate the processing guide rail. A clamping component 8 is provided at the end of the replaceable base plate 3. The clamping component 8 abuts against the guide rail, and the side of the clamping component 8 that abuts against the guide rail is the reference surface.
[0029] In this embodiment, the base plate positioning plate 6 facilitates the positioning and calibration of the replaceable base plate 3, improving installation efficiency; the guide rail positioning plate 7 facilitates the positioning and calibration of the guide rail, improving installation efficiency and the machining accuracy of the guide rail; and the clamping component 8 enables the long-stroke guide rail to be positioned at a reference, ensuring that the edge accuracy meets the requirements.
[0030] In this utility model, preferably, such as Figure 1 , Figure 2 As shown, chip-proof plates 9 are provided on both sides of the fixture base 1.
[0031] In this embodiment, chip protection can be achieved by setting the chip shield 9.
[0032] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0033] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.
Claims
1. A highly versatile quick-change fixture structure for ultra-long guideways, comprising a fixture base (1), wherein the fixture base (1) is fixedly connected to a machine tool worktable (2), characterized in that, It also includes two replaceable base plates (3) and multiple hydraulic cylinders (4). The two replaceable base plates (3) are symmetrically arranged and connected to the fixture base (1) by bolts. The multiple hydraulic cylinders (4) are spaced apart along the length of the replaceable base plates (3). The hydraulic cylinders (4) are fixedly installed between the two replaceable base plates (3), and pressure plates (5) are installed on the telescopic ends of the hydraulic cylinders (4). The replaceable base plates (3) are matched with the guide rails, and the guide rails are fixed to the replaceable base plates (3) by the pressure plates (5).
2. The highly versatile quick-change fixture structure for ultra-long guide rails according to claim 1, characterized in that, The hydraulic cylinder (4) is located in the middle of the two replaceable base plates (3).
3. The highly versatile quick-change fixture structure for ultra-long guide rails according to claim 2, characterized in that, The two replaceable base plates (3) are provided with a base plate positioning plate (6) on the side away from each other. The base plate positioning plate (6) is provided with at least two through holes. The clamp base (1) is provided with threaded holes that match the through holes on both sides. The base plate positioning plate (6) is connected to the threaded holes by a screw.
4. The highly versatile quick-change fixture structure for ultra-long guide rails according to claim 3, characterized in that, The replaceable base plate (3) is also provided with a guide rail positioning plate (7), which matches the guide rail and is used to position and calibrate the processed guide rail.
5. A highly versatile quick-change fixture structure for ultra-long guide rails according to any one of claims 1 to 4, characterized in that, The end of the replaceable base plate (3) is provided with a clamping component (8), which abuts against the guide rail. The side of the clamping component (8) that abuts against the guide rail is the reference surface.
6. The highly versatile quick-change fixture structure for ultra-long guide rails according to claim 5, characterized in that, The clamp base (1) is provided with chip-proof plates (9) on both sides.