A fixture for a steering knuckle
Patent Information
- Application Number
- CN202522086421.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-28
- Publication Date
- 2026-09-29
- Estimated Expiration
- 2035-09-28
AI Technical Summary
传统转向节夹具存在定位精度不足、夹紧稳定性差、人工干预频繁等技术缺陷,难以满足现代化大批量生产需求
[0013]通过设置可以调节特定角度的台座,能够改变夹具夹设方位,实现增加转向节工装定位精度的效果;设置定位件与夹具本体,精确地确保转向节能够被夹设到确定的方位,能够提高夹紧稳定固定性;通过多个机械部件实现流水线施工,降低人工成本,且满足现代化转向节大批量生产需求的的效果。
Smart Images

Figure CN224808957U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of hydraulic clamping mechanisms for automotive steering knuckles, and in particular to an automotive steering knuckle clamp. Background Technology
[0002] As a crucial pillar industry of the national economy, the automotive manufacturing sector directly reflects a nation's industrial manufacturing capabilities and competitiveness through its technological development. With continuous socio-economic development and rapid market demand growth, the automotive parts manufacturing sector faces increasingly stringent requirements for production efficiency. In machining processes, workpiece clamping devices, as key process equipment, directly impact machining accuracy and production efficiency. Traditional steering knuckle clamps suffer from technical defects such as insufficient positioning accuracy, poor clamping stability, and frequent manual intervention, making them unsuitable for modern mass production demands. To address these technical issues, a hydraulic clamping device is needed that encompasses high-precision positioning, rapid and stable clamping, and automated operation, and can be widely applied in large-scale production scenarios.
[0003] The information disclosed in this background section is intended only to enhance the understanding of the overall background of this utility model and should not be construed as an admission or in any way implying that the information constitutes prior art known to those skilled in the art. Utility Model Content
[0004] The purpose of this invention is to provide an automotive steering knuckle clamp that can solve the problems existing in the prior art.
[0005] To achieve the above objectives, this utility model provides an automotive steering knuckle clamp, comprising: a clamp body; a worktable, the worktable including a machine tool and a notch, the notch being located in the middle of the machine tool; a positioning assembly, the positioning assembly including a positioning arc surface and a structure, the structure being used to support the positioning arc surface, the positioning arc surface being located on one side of the structure; an auxiliary device, the auxiliary device including a base, the base being used to connect multiple of the components, the base fixing one or more of the components by setting a specific angle; and a driving device, the driving device including an oil tank, an air source, and an actuator, the actuator being connected to the oil tank oil circuit and the actuator being connected to the air source pipeline.
[0006] In one or more embodiments, the top end of one or more of the auxiliary devices is connected to the fixture body, and the bottom end is fixed to the machine tool.
[0007] In one or more embodiments, the top end of one or more of the auxiliary devices is connected to the structure, and the bottom end is fixed to the machine tool.
[0008] In one or more embodiments, the notch is used to avoid the steering knuckle machining tool. The notch has an irregular cross-sectional profile. The cross-sectional profile shape of the notch is designed to match the range of motion of the steering knuckle machining tool, specifically to match the boundary of its range of motion. The cross-sectional area of the notch is slightly larger than the range of motion of the steering knuckle machining tool.
[0009] In one or more embodiments, the positioning arc surface is disposed on the side of the structure and faces the notch.
[0010] In one or more embodiments, the cross-sectional shape of the positioning arc surface is configured to match the cross-sectional profile shape of the notch.
[0011] In one or more embodiments, the drive unit is connected to a steering knuckle.
[0012] Compared with the prior art, the various technical solutions and embodiments provided by this utility model include at least the following technical effects or advantages:
[0013] By setting an adjustable base, the clamping orientation of the fixture can be changed, thereby increasing the positioning accuracy of the steering knuckle tooling. By setting positioning components and the fixture body, the steering knuckle can be precisely clamped in a specific orientation, improving clamping stability and fixation. Through multiple mechanical components, assembly line construction can be achieved, reducing labor costs and meeting the needs of modern mass production of steering knuckles. Attached Figure Description
[0014] The accompanying drawings, which are included to provide a further understanding of the invention and form part of this application, illustrate exemplary embodiments of the invention and are intended to explain the invention. They are intended to be seen as illustrative of various combinations of preferred embodiments and do not constitute an undue limitation of the invention. In the drawings:
[0015] Figure 1 A schematic diagram of the overall structure of an automotive steering knuckle clamp provided by this utility model;
[0016] The numbers in the diagram represent: 1, 3, 4, 6, 8, 9, 10, 13 - positioning components; 2, 5, 7, 11, 12 - fixture bodies. Detailed Implementation
[0017] Unless otherwise expressly stated, throughout the specification and claims, the term "comprising" or its variations such as "including" or "comprises", "made for", etc., shall be understood to include the stated elements or components, without excluding other elements or other components.
[0018] The purpose of this utility model is to provide an automotive steering knuckle fixture that increases the positioning accuracy of steering knuckle tooling, improves clamping stability and fixation, reduces labor costs, and meets the needs of modern mass production of steering knuckles.
[0019] Example 1:
[0020] This embodiment provides an automotive steering knuckle clamp, comprising: a clamp body 2; a worktable, the worktable including a machine tool and a notch, the notch being located in the middle of the machine tool; a positioning component 1, the positioning component 1 including a positioning arc surface and a structure, the structure being used to support the structure of the positioning arc surface, the positioning arc surface being located on one side of the structure; an auxiliary device, the auxiliary device including a base, the base being used to connect multiple of the components, the base fixing one or more of the components by setting a specific angle; and a driving device, the driving device including an oil tank, an air source, and an actuator, the actuator being connected to the oil tank oil circuit and the actuator being connected to the air source pipeline.
[0021] Specifically, in order to provide a steering knuckle fixture with high positioning accuracy, strong clamping stability, reduced labor costs, and meeting the needs of modern mass production, this embodiment provides a multi-directional, multi-dimensional fixture that can fix the steering knuckle at multiple locations. During the clamping process, the automotive steering knuckle fixture defines multiple positions along the edge contour of the notch to facilitate steering knuckle manufacturing. One side of the structure is a polished and specially shaped positioning arc surface to set the range of device movement and clamping. The auxiliary device is used to adjust the height and angle of multiple clamping devices to precisely clamp the steering knuckle at the required position and angle. The drive device is used for the mechanical action throughout the clamping process, avoiding errors caused by manual adjustment.
[0022] In a preferred embodiment of this invention, the top end of one or more of the auxiliary devices is connected to the fixture body 2, and the bottom end is fixed to the machine tool.
[0023] In a preferred embodiment of this invention, one or more of the auxiliary devices are connected at the top to the structure and at the bottom to the machine tool.
[0024] Specifically, the auxiliary device serves as the base of the clamp and positioning component 1, and is configured to change the installation direction to provide a highly expandable clamping method, making it easy for the clamp to adapt to different models of steering knuckles.
[0025] In a preferred embodiment of this example, the notch is used to avoid the steering knuckle machining tool. The notch has an irregular cross-sectional profile. The cross-sectional profile shape of the notch is designed to match the range of motion of the steering knuckle machining tool, specifically to match the boundary of its range of motion. The cross-sectional area of the notch is slightly larger than the range of motion of the steering knuckle machining tool.
[0026] Specifically, the steering knuckle machining tool contacts the steering knuckle from the bottom through a notch and is used for steering knuckle machining. The notch is configured to pass through the base, and the size and profile of the notch are specially designed to take into account the range of motion of the steering knuckle machining tool, while preventing the steering knuckle machining tool from exceeding its range of motion and causing damage to the steering knuckle or fixture.
[0027] In a preferred embodiment of this invention, the positioning arc surface is disposed on the side of the structure and faces the notch.
[0028] In a preferred embodiment of this invention, the cross-sectional shape of the positioning arc surface is configured to match the cross-sectional contour shape of the notch.
[0029] Specifically, when the steering knuckle is mechanically and automatically clamped, it also has a fixed movement path. Therefore, the movement paths of the steering knuckle and the steering knuckle machining tool are also related. The positioning arc surface is used to define and position the path of the steering knuckle, so its contour and orientation are also set in accordance with the notch contour.
[0030] In a preferred embodiment of this invention, the drive unit is connected to the steering knuckle.
[0031] The foregoing description of specific exemplary embodiments of the present invention is for illustrative and explanatory purposes. These descriptions are not intended to limit the present invention to the precise forms disclosed, and it will be apparent that many changes and variations can be made in accordance with the foregoing teachings. The exemplary embodiments were chosen and described in order to explain the specific principles of the present invention and its practical application, thereby enabling those skilled in the art to implement and utilize various different exemplary embodiments of the present invention, as well as various different choices and variations. The scope of the present invention is intended to be defined by the claims and their equivalents.
Claims
1. A car steering knuckle clamp, characterized in that, include: Fixture body; A worktable, the worktable including a machine tool and a notch, the notch being located in the middle of the machine tool; A positioning component, comprising a positioning arc surface and a structure, wherein the structure is used to support the positioning arc surface, and the positioning arc surface is located on one side of the structure; The auxiliary device includes a base for connecting multiple of the components, and the base fixes one or more of the components by setting a specific angle; A drive device, comprising an oil tank, an air source, and an actuator, wherein the actuator is connected to the oil tank via an oil circuit and to the air source via a pipeline.
2. The automotive steering knuckle clamp as described in claim 1, characterized in that, One or more of the auxiliary devices are connected at the top to the fixture body and at the bottom to the machine tool.
3. The automotive steering knuckle clamp as described in claim 2, characterized in that, One or more of the auxiliary devices are connected at the top to the structure and at the bottom to the machine tool.
4. The automotive steering knuckle clamp as described in claim 3, characterized in that, The notch is used to avoid the steering knuckle machining tool. The notch has an irregular cross-sectional profile. The cross-sectional profile shape of the notch is designed to match the range of motion of the steering knuckle machining tool, specifically to match the boundary of its range of motion. The cross-sectional area of the notch is slightly larger than the range of motion of the steering knuckle machining tool.
5. The automotive steering knuckle clamp as described in claim 4, characterized in that, The positioning arc surface is disposed on the side of the structure and faces the notch.
6. The automotive steering knuckle clamp as described in claim 5, characterized in that, The cross-sectional shape of the positioning arc surface is matched with the cross-sectional contour shape of the notch.
7. The automotive steering knuckle clamp as described in claim 1, characterized in that, The drive unit is connected to the steering knuckle.