Universal knuckle clamp

Abstract

The utility model discloses a general type knuckle clamp, including bottom plate, pressure device and support positioning subassembly, pressure device includes three first hydraulic cylinders of inlaying bottom plate setting and respectively setting pressure rod at each first hydraulic cylinder output, and each first hydraulic cylinder top respectively is equipped with the support of the middle articulated of corresponding pressure rod, and support positioning subassembly includes at least one vertical upward second hydraulic cylinder and the top rod at second hydraulic cylinder output, and the position of the knuckle to be processed is preliminarily defined to positioning column, and then through each first hydraulic cylinder drive corresponding pressure rod one end rise, under the limiting effect of support, the pressure surface of the other end of pressure rod will move downward, and the top rod is driven to rise with cooperation second hydraulic cylinder, thereby realizes the limit fixing of the knuckle to be processed, not only simple operation, the machining precision is guaranteed, the utility model belongs to the field of clamp design.

Description

Technical Field

[0001] This utility model belongs to the field of fixture design, and more specifically relates to a general-purpose steering knuckle fixture. Background Technology

[0002] The steering knuckle is a crucial safety component in the automotive chassis system, and also an extremely complex irregular-shaped part, requiring specific mechanical properties, dimensional accuracy, and positional precision. Because it connects multiple spatial components such as shock absorbers, brake calipers, tie rods, and lower arms, the machining process requires multiple spatial angles. Current traditional machining methods suffer from fragmented processes and low processing efficiency. Utility Model Content

[0003] The main purpose of this utility model is to provide a universal steering knuckle fixture that is easy to operate, can perform multiple processing steps in one clamping, and can ensure processing accuracy.

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

[0005] A universal steering knuckle clamp includes a base plate, a clamping device, and a support and positioning assembly. The clamping device includes three first hydraulic cylinders embedded in the base plate and pressure rods respectively disposed at the output ends of each of the first hydraulic cylinders. Each first hydraulic cylinder has a bracket at its top that can be hinged to the middle of the corresponding pressure rod. The output end of the first hydraulic cylinder is vertically upward. One end of the pressure rod is hinged to the output end of the corresponding first hydraulic cylinder, and the other end of the pressure rod is respectively disposed with a pressure surface that can contact the surface of the steering knuckle. The support and positioning assembly includes at least one second hydraulic cylinder vertically upward and a push rod at the output end of the second hydraulic cylinder. Multiple positioning pins for steering knuckle installation are spaced apart on the outer side of the push rod.

[0006] According to a first aspect of the present invention, the bottom end of the bracket is fixedly connected to the first hydraulic cylinder, and the top end of the bracket is provided with a first groove for placing the pressure rod.

[0007] According to a first aspect of the present invention, the hinge point between the bracket and the pressure rod is the end of the pressure rod away from the pressure surface.

[0008] According to a first aspect of the present invention, the pressure surface is located at one end of the pressure rod, and the other end of the pressure rod is provided with a second groove for insertion into the output end of the first hydraulic cylinder.

[0009] According to a first aspect of the present invention, the bracket can be respectively disposed on the long side or the short side of the top of the first hydraulic cylinder to adjust the downward pressing position of the corresponding pressure rod.

[0010] According to a first aspect of the present invention, the plurality of positioning posts are arranged in an elliptical pattern and located inside the three pressure rods.

[0011] According to a first aspect of the present invention, the height of each positioning post is less than the position height of the pressure surface on the corresponding side.

[0012] According to a first aspect of the present invention, the support and positioning assembly further includes a plurality of pads spaced apart on the upper surface of the base plate, and the plurality of pads are respectively disposed on one side corresponding to the first hydraulic cylinder.

[0013] According to a first aspect of the present invention, it further includes clamping devices respectively disposed at both ends of the base plate, the two clamping devices allowing the base plate to be suspended below.

[0014] One of the above-described technical solutions of this utility model has at least one of the following advantages or beneficial effects:

[0015] This invention uses a positioning pin to initially define the position of the steering knuckle to be processed. Then, each first hydraulic cylinder drives one end of the corresponding pressure rod to rise. Under the constraint of the bracket, the pressure surface of the other end of the pressure rod will move downward. In conjunction with the second hydraulic cylinder, the top rod is driven to rise, thereby achieving the limiting and fixing of the steering knuckle to be processed. This not only makes the operation simple and ensures the processing accuracy, but also allows for multiple processing steps to be performed in one clamping, further improving processing efficiency. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0017] Appendix Figure 1 This is an overall structural diagram of one embodiment of the present utility model;

[0018] Appendix Figure 2 This is a front view of one embodiment of the present invention;

[0019] Appendix Figure 3 This is a top view of one embodiment of the present invention;

[0020] Appendix Figure 4 This is a cross-sectional view along the AA direction of one embodiment of the present invention;

[0021] Appendix Figure 5 This is a side view of one embodiment of the present invention. Detailed Implementation

[0022] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0023] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model 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. Therefore, they should not be construed as limitations on this utility model.

[0024] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0025] 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. Therefore, a feature defined as "first" and "second" may explicitly or implicitly include one or more features.

[0026] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the term "connection" should be interpreted broadly. For example, it can be a fixed connection or a movable connection, a detachable connection or a non-detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection or a connection that can communicate with each other; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two elements, an indirect connection, or an interaction between two elements.

[0027] The following disclosure provides many different implementation methods or examples for different solutions to implement this utility model.

[0028] See attached document Figure 1 To be continued Figure 5 As shown, a general-purpose steering knuckle clamp includes a base plate 1, a clamping device 2, a support and positioning assembly 3, and clamping devices respectively disposed at both ends of the base plate 1. The two clamping devices allow the base plate 1 to be suspended below for the lower part of the first hydraulic cylinder 21 and the second hydraulic cylinder 31 to be installed.

[0029] In one embodiment of this utility model, the clamping device 2 includes three first hydraulic cylinders 21 embedded in the base plate 1 and pressure rods 22 respectively provided at the output end of each first hydraulic cylinder 21. Each first hydraulic cylinder 21 is provided with a bracket 23 at the top for hinged connection to the middle of the corresponding pressure rod 22. The three first hydraulic cylinders 21 are respectively provided at the corresponding end points of the steering knuckle, so that the first hydraulic cylinders 21 can push the pressure rods 22 to fix the whole and ensure that subsequent processing operations can proceed smoothly.

[0030] In one embodiment of this utility model, the output end of the first hydraulic cylinder 21 is vertically upward, one end of the pressure rod 22 is hinged to the output end of the corresponding first hydraulic cylinder 21, and the other end of the pressure rod 22 is provided with a pressure surface that can contact the surface of the steering knuckle. The pressure rod 22 is Z-shaped or straight. When the pressure rod 22 is Z-shaped, the swing space of the end of the pressure rod 22 with the pressure surface increases accordingly, which is suitable for pressing down and fixing the thicker part of the steering knuckle. One end of the pressure rod 22 is lifted up under the action of the first hydraulic cylinder 21, so that under the limitation of the bracket 23, the pressure surface of the other end of the pressure rod 22 will press down and fix the corresponding position of the steering knuckle.

[0031] In one embodiment of this utility model, the support positioning component 3 includes a vertically upward-arranged second hydraulic cylinder 31, a push rod 32 at the output end of the second hydraulic cylinder 31, and two pads 34 spaced apart on the upper surface of the base plate 1. The two pads 34 are respectively disposed on one side corresponding to the first hydraulic cylinder 21. A plurality of positioning posts 33 for steering knuckle installation are spaced apart on the outer side of the push rod 32, so that the position of the steering knuckle to be processed can be initially defined by the positioning posts 33.

[0032] In one embodiment of this utility model, the hinge point between the bracket 23 and the pressure rod 22 is the end of the pressure rod 22 away from the pressure surface. The bottom end of the bracket 23 is fixedly connected to the first hydraulic cylinder 21. The top end of the bracket 23 is provided with a first groove for placing the pressure rod 22, and one end of the pressure rod 22 is provided with a second groove for inserting the corresponding output end of the first hydraulic cylinder 21. Thus, after the position of the steering knuckle to be processed is initially defined by the positioning pin 33, the first hydraulic cylinder 21 can drive one end of the corresponding pressure rod 22 to rise. Under the limiting action of the bracket 23, the pressure surface of the other end of the pressure rod 22 will move downward accordingly. In conjunction with the second hydraulic cylinder 31 driving the top rod 32 to rise, the steering knuckle to be processed is tightened and fixed vertically.

[0033] In one embodiment of this utility model, the bracket 23 can be respectively disposed on the long side or short side of the top of the first hydraulic cylinder 21 to adjust the downward pressing position of the corresponding pressure rod 22. (See attached diagram.) Figure 1When the bracket 23 is set on the long side of the top of the first hydraulic cylinder 21, and the hinge of the first hydraulic cylinder 21 and the pressure rod 22 are set accordingly, the downward pressing position of the pressure surface at the other end of the pressure rod 22 is perpendicular to the downward pressing position of the pressure surface at one end of the pressure rod 22 on the short side of the top of the first hydraulic cylinder 21, so it can be applied to the fixing operation of steering knuckles of different shapes.

[0034] In one embodiment of this utility model, a plurality of positioning pins 33 are arranged in an elliptical pattern on the inner side of three pressure rods 22, and the height of each positioning pin 33 is less than the position height of the pressure surface on the corresponding side, so as to ensure that the steering knuckle can be installed between the pressure surface and the base plate 1.

[0035] When fixing the steering knuckle, this universal steering knuckle fixture can initially limit the position of the steering knuckle to be processed by the positioning pin 33. Then, by controlling the three first hydraulic cylinders 21 to drive one end of the corresponding pressure rod 22 to rise, the pressure surface of the other end of the pressure rod 22 will move downward under the limiting action of the corresponding bracket 23. At the same time, the second hydraulic cylinder 31 drives the push rod 32 to rise, thereby achieving the upper and lower clamping and fixing of the steering knuckle to be processed. Compared with the previous method of using decentralized processing, such as rough turning, semi-finish turning, grinding, rough milling, finish milling, drilling, reaming, and tapping, and multiple processes requiring special fixtures, this fixture is not only simple to operate and ensures processing accuracy, but also allows multiple processes to be processed in one clamping, further improving processing efficiency.

[0036] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A universal steering knuckle clamp, characterized in that, include: Base plate (1): The clamping device (2) includes three first hydraulic cylinders (21) embedded in the base plate (1) and pressure rods (22) respectively provided at the output end of each first hydraulic cylinder (21). Each first hydraulic cylinder (21) is provided with a bracket (23) at the top for hinged to the middle of the corresponding pressure rod (22). The output end of the first hydraulic cylinder (21) is set vertically upward, one end of the pressure rod (22) is hinged to the output end of the corresponding first hydraulic cylinder (21), and the other end of the pressure rod (22) is respectively provided with a pressure surface that can be contacted with the surface of the steering knuckle; The support positioning assembly (3) includes at least one vertically upward-mounted second hydraulic cylinder (31) and a push rod (32) at the output end of the second hydraulic cylinder (31). A plurality of positioning pins (33) for steering knuckle installation are spaced apart on the outside of the push rod (32).

2. The universal steering knuckle clamp according to claim 1, characterized in that: The bottom end of the bracket (23) is fixedly connected to the first hydraulic cylinder (21), and the top end of the bracket (23) is provided with a first groove for placing the pressure rod (22).

3. The universal steering knuckle clamp according to claim 2, characterized in that: The hinge point between the bracket (23) and the pressure rod (22) is the end of the pressure rod (22) away from the pressure surface.

4. The universal steering knuckle clamp according to claim 3, characterized in that: The pressure surface is located at one end of the pressure rod (22), and the other end of the pressure rod (22) is provided with a second groove that can be inserted into the output end of the first hydraulic cylinder (21).

5. The universal steering knuckle clamp according to claim 1, characterized in that: The bracket (23) can be respectively set on the long side or short side of the top of the first hydraulic cylinder (21) to adjust the downward pressing position of the corresponding pressure rod (22).

6. The universal steering knuckle clamp according to claim 1, characterized in that: The multiple positioning pins (33) are arranged in an elliptical pattern inside the three pressure rods (22).

7. The universal steering knuckle clamp according to claim 6, characterized in that: The height of each positioning post (33) is less than the position height of the pressure surface on the corresponding side.

8. The universal steering knuckle clamp according to claim 1, characterized in that: The support and positioning assembly (3) further includes a plurality of pads (34) spaced apart on the upper surface of the base plate (1), and the plurality of pads (34) are respectively disposed on one side corresponding to the first hydraulic cylinder (21).

9. The universal steering knuckle clamp according to claim 1, characterized in that: It also includes clamping devices respectively disposed at both ends of the base plate (1), the two clamping devices allowing the base plate (1) to be suspended below.

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