Device for detecting precision of steering knuckle clamp

Abstract

A device for detecting the precision of a steering knuckle clamp comprises a portal frame, a Y-axis motor is installed on the portal frame and drives a Y-axis workbench to vertically move along a Y-axis guide rail, the Y-axis workbench is provided with an X-axis motor and an X-axis guide rail, the X-axis motor drives the X-axis workbench to horizontally move along the X-axis guide rail, the X-axis workbench is provided with a Z-axis motor and a Z-axis guide rail, and the Z-axis motor drives the Z-axis guide rail to horizontally move along the Z-axis guide rail. The Z-axis motor drives the Z-axis workbench to move back and forth along the Z-axis guide rail, the Z-axis workbench is provided with a main shaft, the tail end of the main shaft is provided with a measuring head, the measuring head is in signal connection with a receiver arranged on the side of the rack, and the clamp overturning component is arranged right in front of the measuring head. The device can quickly detect the parameters of the clamp in the machining state, such as the key size, the symmetry degree and the parallelism after the clamp is installed.

Description

Technical Field

[0001] This utility model relates to the field of clamping technology, specifically a device for detecting the accuracy of steering knuckle clamps. Background Technology

[0002] The steering knuckle is a crucial component of the automotive chassis, with numerous assembly features and stringent requirements for shape, position, and dimensions. Therefore, strict control is essential during manufacturing. The steering knuckle fixture is a critical element in the machining process; its precision affects not only the finished product dimensions but also the speed of batch changeover. Low fixture precision leads to longer changeover times, and it makes dimensional adjustments more difficult when clamping multiple parts. Therefore, monitoring and inspecting the manufacturing precision of the fixture is essential. Based on this, this patent provides a device for detecting the precision of steering knuckle fixtures. It can quickly detect key dimensions, symmetry, parallelism, and other parameters under machining conditions after fixture installation. Compared to traditional static measurements using a coordinate measuring machine (CMM), it can accurately evaluate the dynamic motion of the fixture, facilitating rapid changeover in multi-variety, small-batch production. Utility Model Content

[0003] In view of this, the present invention aims to provide a device for detecting the accuracy of steering knuckle fixtures. It can quickly detect key dimensions, symmetry, parallelism and other parameters under the machining state after the fixture is installed. Compared with traditional three-coordinate static measurement, it can accurately evaluate whether the fixture is qualified during dynamic movement, which helps to facilitate rapid changeover in multi-variety small-batch production.

[0004] To achieve the above objectives, the technical solution of this utility model is implemented as follows:

[0005] A device for detecting the accuracy of a steering knuckle clamp includes a gantry frame, on which a Y-axis motor is mounted. The Y-axis motor drives a Y-axis worktable to move vertically along a Y-axis guide rail. An X-axis motor and an X-axis guide rail are arranged on the Y-axis worktable, and the X-axis motor drives the X-axis worktable to move horizontally along the X-axis guide rail. A Z-axis motor and a Z-axis guide rail are arranged on the X-axis worktable, and the Z-axis motor drives the Z-axis worktable to move back and forth along the Z-axis guide rail. A spindle is arranged on the Z-axis worktable, and a probe is arranged at the end of the spindle. The probe is connected to a receiver located on the side of the frame. A clamp flipping component is located directly in front of the probe.

[0006] In some embodiments, the clamping tilting component includes a steering knuckle clamp driven by a servo motor, which achieves six-degree-of-freedom positioning through mounting planes on both sides, a circular positioning hole, and an oblong positioning hole.

[0007] In some embodiments, two Y-axis motors are symmetrically mounted on the gantry, and the two Y-axis motors synchronously drive the Y-axis worktable to move vertically along the Y-axis guide rail.

[0008] In some embodiments, the probe is a radio probe or an infrared probe.

[0009] In some embodiments, the servo motor can drive the steering knuckle clamp to rotate 360°.

[0010] Compared with existing technologies, the device for detecting the accuracy of steering knuckle clamps described in this utility model has the following advantages:

[0011] The device disclosed in this utility model for detecting the accuracy of steering knuckle fixtures can quickly detect parameters such as key dimensions, symmetry, and parallelism of the fixture under machining conditions after installation. Compared with traditional three-coordinate static measurement, it can accurately evaluate whether the fixture is qualified during dynamic movement, which helps to facilitate rapid changeover in multi-variety small-batch production. Attached Figure Description

[0012] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:

[0013] Figure 1 This is a front view of a device for detecting the accuracy of a steering knuckle clamp according to the present invention.

[0014] Figure 2 This is a top view of a device for detecting the accuracy of a steering knuckle clamp according to the present invention.

[0015] Explanation of reference numerals in the attached figures

[0016] 1-Frame; 2-Door opening / closing; 3-Servo motor; 4-Steering knuckle clamp; 5-Circular positioning hole; 6-Oval positioning hole; 7-Bolt hole; 8-Gantry frame; 9-Y-axis motor; 10-Y-axis guide rail; 11-Y-axis worktable; 12-X-axis motor; 13-X-axis ball screw; 14-X-axis guide rail; 15-X-axis worktable; 16-Z-axis motor; 17-Z-axis guide rail; 18-Z-axis ball screw; 19-Z-axis worktable; 20-Spindle; 21-Probe; 22-Receiver. Detailed Implementation

[0017] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0018] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings and embodiments. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0019] The following is for reference. Figures 1 to 2 The present invention describes, in conjunction with embodiments, a device for detecting the accuracy of a steering knuckle clamp.

[0020] A device for detecting the accuracy of a steering knuckle clamp includes a frame 1, a switch door 2, a servo motor 3, a steering knuckle clamp 4, a circular positioning hole 5, a waist-shaped positioning hole 6, a bolt hole 7, a gantry frame 8, a Y-axis motor 9, a Y-axis guide rail 10, a Y-axis worktable 11, an X-axis motor 12, an X-axis ball screw 13, an X-axis guide rail 14, an X-axis worktable 15, a Z-axis motor 16, a Z-axis guide rail 17, a Z-axis ball screw 18, a Z-axis worktable 19, a spindle 20, a probe 21, and a receiver 22.

[0021] Two Y-axis motors 9 are symmetrically mounted on the gantry 8, synchronously driving the Y-axis worktable 11 to move vertically up and down along the Y-axis guide rail 10. An X-axis motor 12 and X-axis guide rail 14 are fixed to the Y-axis worktable 11. The output of X-axis motor 12 is connected to X-axis worktable 15, controlling the horizontal movement of X-axis worktable 15 along X-axis guide rail 14. A Z-axis motor 16 and Z-axis guide rail 17 are fixed to X-axis worktable 15. The output of Z-axis motor 16 is connected to Z-axis worktable 19, controlling the forward and backward movement of Z-axis worktable 19 along Z-axis guide rail 17. A spindle 20 is mounted on the Z-axis worktable 19, and a probe 21 is mounted on the spindle 20. The probe 21 is preferably a radio probe or an infrared probe. A receiver 22 is mounted on the side of the frame 1, used to pair with the probe, receive probe signals, and communicate with the system.

[0022] A fixture flipping component is installed directly in front of the probe 21. The steering knuckle fixture 4 is rotated 360° by a servo motor 3. The steering knuckle fixture 4 achieves six-degree-of-freedom positioning through the mounting planes on both sides, the circular positioning hole 5, and the oblong positioning hole 6, and is clamped through the bolt holes 7. The interface of the fixture flipping component is consistent with the interface of the actual machine tool used to process the steering knuckle, and is used to simulate the assembly posture during actual processing.

[0023] In some embodiments, a device for detecting the accuracy of a steering knuckle clamp includes: a frame 1, a gantry frame 8, a clamp tilting component, a probe 21, and a receiver 22. Two Y-axis motors 9 are symmetrically mounted on the gantry frame 8, synchronously driving a Y-axis worktable 11 to move vertically along a Y-axis guide rail 10. An X-axis motor 12 and an X-axis guide rail 14 are fixed on the Y-axis worktable 11. The X-axis motor 12 drives an X-axis worktable 15 to move horizontally along the X-axis guide rail 14. A Z-axis motor 16 and a Z-axis guide rail 17 are fixed on the X-axis worktable 15. Z-axis motor 16 drives Z-axis worktable 19 to move back and forth along Z-axis guide rail 17. Spindle 20 is installed on Z-axis worktable 19. Probe 21 is fixed to the end of spindle 20. Receiver 22 is located on the side of frame 1 and is connected to probe 21. Fixture flipping component is located in front of probe 21 and includes steering knuckle fixture 4 driven by servo motor 3. Steering knuckle fixture 4 achieves six-degree-of-freedom positioning through mounting planes on both sides, circular positioning hole 5, and waist-shaped positioning hole 6, and is clamped through bolt hole 7. Its interface is consistent with the actual machining tool.

[0024] The probe 21 is either a radio probe or an infrared probe. The servo motor 3 of the fixture tilting component drives the steering knuckle fixture 4 to rotate 360°, simulating the dynamic assembly posture during actual machining. The Y-axis motor 9, X-axis motor 12, and Z-axis motor 16 control the three-dimensional spatial position of the probe 21 through linkage, used to measure the flatness, symmetry, and critical dimensions of the steering knuckle fixture 4. The combination of the circular positioning hole 5 and the oblong positioning hole 6 is used to adjust the symmetry and parallelism of the fixture.

[0025] The working process of a device for detecting the accuracy of a steering knuckle clamp is as follows: First, the steering knuckle clamp 4 is assembled into the clamp flipping component of the device. Then, the probe system is started. The position of the probe 21 can be controlled by the linkage of the X-axis motor 12, Y-axis motor 9 and Z-axis motor 16. The probe 21 is used to measure the flatness of the A surface of the steering knuckle clamp to confirm the straightness of the clamp in the assembled state. The probe 21 is used to measure the Z coordinate position of the A and B surfaces of the steering knuckle clamp to confirm the symmetry of the steering knuckle clamp about the rotation axis. The probe is used to measure other key dimensions such as the thickness of the steering knuckle clamp.

[0026] Compared with existing technologies, the device for detecting the accuracy of steering knuckle clamps of this invention has the following advantages:

[0027] The device disclosed in this utility model for detecting the accuracy of steering knuckle fixtures can quickly detect parameters such as key dimensions, symmetry, and parallelism of the fixture under machining conditions after installation. Compared with traditional three-coordinate static measurement, it can accurately evaluate whether the fixture is qualified during dynamic movement, which helps to facilitate rapid changeover in multi-variety small-batch production.

[0028] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only used to facilitate the description of this utility model and to simplify 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. Therefore, they should not be construed as limiting the scope of protection of this utility model.

[0029] 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 one or more of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0030] In this utility model, unless otherwise explicitly 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, an electrical connection, or a connection that allows communication between them; 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. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0031] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A device for detecting the accuracy of a steering knuckle clamp, characterized in that, The system includes a gantry frame, on which a Y-axis motor is mounted. The Y-axis motor drives the Y-axis worktable to move vertically along the Y-axis guide rail. An X-axis motor and X-axis guide rail are mounted on the Y-axis worktable, which drive the X-axis worktable to move horizontally along the X-axis guide rail. A Z-axis motor and Z-axis guide rail are mounted on the X-axis worktable, which drive the Z-axis worktable to move back and forth along the Z-axis guide rail. A spindle is mounted on the Z-axis worktable, and a probe is mounted at the end of the spindle. The probe is connected to a receiver located on the side of the frame. A fixture flipping component is located directly in front of the probe.

2. The device for detecting the accuracy of a steering knuckle clamp according to claim 1, characterized in that, The clamping and tilting component includes a steering knuckle clamp driven by a servo motor, which achieves six-degree-of-freedom positioning through mounting planes on both sides, a circular positioning hole, and an oblong positioning hole.

3. The device for detecting the accuracy of a steering knuckle clamp according to claim 1, characterized in that, Two Y-axis motors are symmetrically installed on the gantry frame. The two Y-axis motors synchronously drive the Y-axis worktable to move vertically along the Y-axis guide rail.

4. The device for detecting the accuracy of a steering knuckle clamp according to claim 1, characterized in that, The probe is either a radio probe or an infrared probe.

5. The device for detecting the accuracy of a steering knuckle clamp according to claim 2, characterized in that, The servo motor can drive the steering knuckle clamp to rotate 360°.

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