Knuckle press fitting jig
By designing a steering knuckle press-fit fixture and utilizing components such as contour support blocks, floating positioning pins, and photoelectric sensors, the problems of inaccurate positioning and insufficient automation in traditional steering knuckle press-fitting were solved, achieving an efficient and stable press-fitting process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LIUFENG METAL TECH KUNSHAN CO LTD
- Filing Date
- 2025-07-30
- Publication Date
- 2026-05-22
Smart Images
Figure CN224265978U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of steering knuckle press-fitting technology, and more specifically, to a steering knuckle press-fitting fixture. Background Technology
[0002] In traditional steering knuckle press-fitting processes, precise positioning and a stable support structure are often lacking. Inaccurate placement of the steering knuckle can easily lead to misalignment between the press-fitted components and the steering knuckle, resulting in quality problems in the pressed product, such as loose fit between the steering knuckle and other parts, affecting vehicle steering performance.
[0003] Manually judging whether the steering knuckle is in place and whether the press-fit parts are ready for press-fitting is prone to errors, leading to untimely or incorrect press-fitting operations and reduced production efficiency.
[0004] Furthermore, the lack of effective buffering and automated control during the pressing process can damage equipment and products, failing to meet the requirements for high-quality and high-efficiency production.
[0005] Therefore, this application proposes a steering knuckle press-fit fixture to solve the aforementioned problems. Utility Model Content
[0006] To address the aforementioned problems, this application provides a steering knuckle press-fit fixture.
[0007] The steering knuckle press-fitting fixture provided in this application adopts the following technical solution:
[0008] A steering knuckle press-fit fixture, comprising:
[0009] A base plate, wherein a support seat is provided on the upper end surface of the base plate, a guide plate is provided on the top of the support seat, and a variable diameter sleeve is provided through the guide plate;
[0010] A plurality of contoured support blocks are arranged around the support base on the upper surface of the base plate, and the layout of the contoured support blocks matches the structure of the steering knuckle to be press-fitted.
[0011] Furthermore, a guide post is fixedly provided at the bottom of the guide plate, the bottom of the guide post is slidably disposed on the support base, and a spring is sleeved on the guide post.
[0012] Through the above technical solution, this design enables the guide plate to move smoothly along the guide column when subjected to external forces (such as pressure during pressing), while the spring provides buffering and restoring elasticity. On the one hand, the buffering effect can prevent the guide plate and related components from being damaged due to excessive instantaneous pressure; on the other hand, after pressing is completed, the guide plate can be quickly reset with the help of the spring force, which facilitates the next pressing operation and improves the stability and continuity of the pressing process.
[0013] Furthermore, a photoelectric sensor is provided on the top of the guide plate, and the sensing range of the photoelectric sensor is located on the upper end face of the sleeve opening of the variable diameter sleeve.
[0014] Through the above technical solution, photoelectric sensing can monitor in real time whether there are pressing parts at the variable diameter sleeve opening. When the pressing parts enter the sensing range, the photoelectric sensing can send a signal in time, which can be used to control the start or stop of subsequent pressing equipment. This design realizes the automated monitoring and control of the pressing process, improves the accuracy and safety of pressing operation, reduces pressing problems caused by human judgment errors, and improves overall production efficiency.
[0015] Furthermore, a first cylinder is also provided on the guide plate, and the piston shaft of the first cylinder passes horizontally through the variable diameter sleeve.
[0016] Through the above technical solution, the first cylinder can apply a horizontal force to the bearings and other press-fitting parts inside the variable diameter sleeve to prevent them from accidentally slipping off before press-fitting, ensuring that the press-fitting parts are in the right position waiting for press-fitting; during the press-fitting process, it can also play a certain limiting role for the parts, ensuring the accuracy of press-fitting, further improving the press-fitting quality, and avoiding poor press-fitting caused by changes in the position of the parts.
[0017] Furthermore, the support base is also provided with a floating positioning pin located below the variable diameter sleeve, the floating positioning pin and the variable diameter sleeve having the same center point; the base plate is also provided with a second cylinder, the piston shaft of the second cylinder being fixedly connected to the bottom of the floating positioning pin; the floating positioning pin is used to position the lug of the steering knuckle to be press-fitted.
[0018] The above technical solution can accurately determine the position of the steering knuckle, ensuring accurate alignment between the press-fit parts and the steering knuckle lugs; the position of the floating positioning pin can be flexibly adjusted by the second cylinder to adapt to the press-fit requirements of steering knuckles of different specifications, enhancing the versatility of the fixture and improving the accuracy and reliability of the press-fit.
[0019] Furthermore, each of the aforementioned contour support blocks is also equipped with a proximity sensor switch.
[0020] The above technical solution can detect whether the steering knuckle is in close contact with the contour support block. When the steering knuckle is accurately placed and in contact with the contour support block, the proximity sensor switch sends a signal, indicating that the steering knuckle is accurately positioned and subsequent pressing operations can be performed. This design further ensures the accuracy of steering knuckle positioning, avoids quality problems caused by improper placement of the steering knuckle before pressing, and improves the reliability and product qualification rate of the entire pressing process.
[0021] In summary, this application includes at least one of the following beneficial technical effects:
[0022] (1) Through the precise positioning of the contour support block, the positioning of the floating positioning pin to the ear hole, and the limiting of the first cylinder to the press-fit parts, the accurate position of the steering knuckle and press-fit parts during the press-fit process is ensured, the position deviation is effectively avoided, the press-fit quality and accuracy are significantly improved, and the generation of defective products is reduced.
[0023] (2) The spring buffer reset design of the guide plate facilitates the continuity of operation. The photoelectric induction and proximity induction switches realize the automated monitoring and control of the pressing process, reduce manual intervention and judgment errors, improve the convenience of operation and overall production efficiency, and make the pressing process more efficient and stable. Attached Figure Description
[0024] Figure 1 This is a schematic diagram of the structure of this application;
[0025] Figure 2 The illustration is for use in this application;
[0026] Figure 3 for Figure 2 A three-dimensional schematic diagram;
[0027] Figure 4 This is a schematic diagram of the structure of Embodiment 2 of this application.
[0028] The following are the labels in the diagram: 1. Base plate; 2. Support base; 3. Guide plate; 4. Variable diameter sleeve; 5. Guide column; 6. Spring; 7. Photoelectric sensor; 8. First cylinder; 9. Floating positioning pin; 10. Second cylinder; 11. Proximity sensor switch; 12. Contouring support block. Detailed Implementation
[0029] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.
[0030] In the description of this application, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0031] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.
[0032] Example 1:
[0033] The following is in conjunction with the appendix Figure 1 -2 provides further detailed description of this application.
[0034] This application discloses a steering knuckle press-fit fixture, comprising:
[0035] The base plate 1 has a support seat 2 on its upper end surface, a guide plate 3 on the top of the support seat 2, and a variable diameter sleeve 4 through the guide plate 3.
[0036] Several contoured support blocks 12 are arranged around the support base 2 on the upper surface of the base plate 1. The layout of the contoured support blocks 12 matches the structure of the steering knuckle to be press-fitted.
[0037] See Figure 1 , Figure 2 and Figure 3 A guide post 5 is fixedly installed at the bottom of the guide plate 3, and the bottom of the guide post 5 is slidably mounted on the support base 2. A spring 6 is installed around the guide post 5. This design allows the guide plate 3 to move smoothly along the guide post 5 when subjected to external force (such as the pressure during pressing). The spring 6 provides buffering and restoring elasticity. On the one hand, the buffering effect can prevent the guide plate 3 and related components from being damaged due to excessive instantaneous pressure. On the other hand, after pressing is completed, the guide plate 3 can quickly return to its original position with the help of the spring 6, which facilitates the next pressing operation and improves the stability and continuity of the pressing process.
[0038] See Figure 1 , Figure 2 and Figure 3 The top of the guide plate 3 is also equipped with a photoelectric sensor 7, the sensing range of which is located on the upper end face of the sleeve opening of the variable diameter sleeve 4. The photoelectric sensor 7 can monitor in real time whether there are pressing parts at the sleeve opening of the variable diameter sleeve 4. When the pressing parts enter the sensing range, the photoelectric sensor 7 can send a signal in time, which can be used to control the start or stop of subsequent pressing equipment. This design realizes the automated monitoring and control of the pressing process, improves the accuracy and safety of pressing operation, reduces pressing problems caused by human judgment errors, and improves overall production efficiency.
[0039] See Figure 1 , Figure 2 and Figure 3 The guide plate 3 is also equipped with a first cylinder 8, the piston shaft of the first cylinder 8 horizontally passes through the variable diameter sleeve 4; the first cylinder 8 can apply a horizontal force to the bearings and other press-fitting parts in the variable diameter sleeve 4 to prevent them from accidentally slipping before press-fitting, and ensure that the press-fitting parts are in the right position waiting for press-fitting; during the press-fitting process, it can also play a certain limiting role for the parts, ensure the accuracy of press-fitting, further improve the press-fitting quality, and avoid poor press-fitting caused by changes in the position of the parts.
[0040] See Figure 1 , Figure 2 and Figure 3 The support base 2 is also equipped with a floating positioning pin 9 located below the reducing sleeve 4, and the floating positioning pin 9 and the reducing sleeve 4 are at the same center point; the base plate 1 is also equipped with a second cylinder 10, and the piston shaft of the second cylinder 10 is fixedly connected to the bottom of the floating positioning pin 9; the floating positioning pin 9 is used to position the lug of the steering knuckle to be pressed; it can accurately determine the position of the steering knuckle and ensure accurate docking of the pressing parts with the steering knuckle lug; the position of the floating positioning pin 9 can be flexibly adjusted by the second cylinder 10 to adapt to the pressing requirements of steering knuckles of different specifications, enhance the versatility of the fixture, and improve the accuracy and reliability of pressing.
[0041] See Figure 1 , Figure 2 and Figure 3 Each contour support block 12 is also equipped with a proximity sensor switch 11, which can sense whether the steering knuckle is in close contact with the contour support block 12. When the steering knuckle is accurately placed and in contact with the contour support block 12, the proximity sensor switch 11 sends a signal, indicating that the steering knuckle is accurately positioned and subsequent pressing operations can be performed. This design further ensures the accuracy of steering knuckle positioning, avoids quality problems caused by improper placement of the steering knuckle before pressing, and improves the reliability and product qualification rate of the entire pressing process.
[0042] Example 2:
[0043] See Figure 4 Since the steering knuckles of different vehicles are different, this application can adjust the shape, structure and layout of the contour support block 12 according to the actual structure of the steering knuckle, so as to adapt to steering knuckles with different structures.
[0044] The implementation principle of a steering knuckle press-fit fixture in this application embodiment is as follows: one of the lug holes of the steering knuckle to be press-fitted is placed on a floating positioning pin, so that other parts of the steering knuckle, such as the lug holes, fit into the contour support block to complete the positioning of the steering knuckle; the position of the floating positioning pin is adjusted by a second cylinder to adapt to the press-fitting requirements of different steering knuckles.
[0045] At this time, the proximity sensor detects whether the steering knuckle is properly engaged, and if it is engaged, it sends a signal.
[0046] The first cylinder prevents the bearings and other pressing parts inside the reducing sleeve from slipping out, ensuring that the pressing parts are in the correct position. When the pressing parts enter the sensing range of the photoelectric sensor, the photoelectric sensor sends a signal, which can control the pressing device such as the press head to press down the pressing parts inside the reducing sleeve, so that they are pressed into the ear hole located at the upper end of the floating positioning pin.
[0047] During the pressing process, the guide plate moves smoothly and provides cushioning under the action of the guide column and spring. After pressing is completed, it returns to its original position with the help of the spring force.
[0048] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.
Claims
1. A steering knuckle press-fit fixture, characterized in that, include: A base plate (1) is provided with a support seat (2) on its upper end surface. A guide plate (3) is provided on the top of the support seat (2). A variable diameter sleeve (4) is provided through the guide plate (3). A plurality of contoured support blocks (12) are arranged around the support base (2) on the upper surface of the base plate (1), and the layout of the contoured support blocks (12) matches the structure of the steering knuckle to be press-fitted.
2. The steering knuckle press-fit fixture according to claim 1, characterized in that: The bottom of the guide plate (3) is fixedly provided with a guide post (5), the bottom of the guide post (5) is slidably provided on the support base (2), and a spring (6) is provided on the outer sleeve of the guide post (5).
3. The steering knuckle press-fit fixture according to claim 1, characterized in that: The top of the guide plate (3) is also provided with a photoelectric sensor (7), and the sensing range of the photoelectric sensor (7) is located on the upper end face of the sleeve opening of the variable diameter sleeve (4).
4. A steering knuckle press-fit fixture according to claim 1, characterized in that: The guide plate (3) is also provided with a first cylinder (8), and the piston shaft of the first cylinder (8) passes horizontally through the variable diameter sleeve (4).
5. A steering knuckle press-fit fixture according to claim 1, characterized in that: The support base (2) is also provided with a floating positioning pin (9) located below the variable diameter sleeve (4), and the floating positioning pin (9) and the variable diameter sleeve (4) are at the same center point; the base plate (1) is also provided with a second cylinder (10), and the piston shaft of the second cylinder (10) is fixedly connected to the bottom of the floating positioning pin (9); the floating positioning pin (9) is used to position the lug of the steering knuckle to be press-fitted.
6. A steering knuckle press-fit fixture according to claim 1, characterized in that: Each of the aforementioned contour support blocks (12) is also provided with a proximity sensor switch (11).