Multi-angle clamp for steering knuckle machining

Abstract

The utility model relates to a multi-angle clamp for processing a steering knuckle, which comprises a clamp body, a clamping component arranged on the clamp body, a supporting component matched with the clamping component for use, and a limiting component for carrying out error-proof limiting on a workpiece, the oil cylinder is used in cooperation with the clamping assembly; 'V'-shaped or 'lt'-shaped fixture body The profile comprises two mounting surfaces which are arranged at an obtuse angle; the side wall of the clamp is provided with a chassis positioning pin and a nameplate. Based on the arrangement of the V-shaped clamp body, workpieces can be placed to be beneficial to machining, the length of a cutter is shortened, hydraulic elements are saved, and cost is saved; on the basis of the arrangement of a plurality of mistake-proof positioning blocks, left and right workpieces on the two mounting surfaces of the clamp body can be distinguished, and machining accidents caused by mistaken placement of the workpieces by workers are avoided; and the reticulate patterns, the teeth, the letters and the positioning pins are arranged, so that auxiliary positioning and clamping are achieved, and the workpiece machining process can be traced through the letters.

Description

Technical Field

[0001] The utility model relates to the field of tooling fixtures, in particular to a multi-angle fixture for knuckle machining. Background Art

[0002] Most of the existing knuckle tooling fixtures are in three forms: flat placement, inclined placement, and back-to-back placement. These three placement forms are relatively single and cannot machine workpieces at multiple angles.

[0003] Moreover, the number of machining positions is small, and only one workpiece can be machined at a time, resulting in low machining efficiency. Summary of the Invention

[0004] Technical Problem to be Solved by the Utility Model

[0005] Most of the existing knuckle tooling fixtures are in three forms: flat placement, inclined placement, and back-to-back placement. These three placement forms are relatively single and cannot machine workpieces at multiple angles.

[0006] To solve the above technical problems, the utility model provides a tooling for machining two multi-angle workpieces, with a relatively large number of machining position angles. Two workpieces are placed on one fixture, saving hydraulic components and greatly reducing costs.

[0007] Other advantageous and partially inventive embodiments and extended designs of the utility model are described in the following description.

[0008] The multi-angle fixture for knuckle machining includes a fixture body, and further includes:

[0009] A clamping assembly arranged on the fixture body, a support assembly used in cooperation with the clamping assembly, and a limiting assembly for preventing misalignment and limiting the workpiece;

[0010] And an oil cylinder used in cooperation with the clamping assembly;

[0011] The fixture body is set as a "V" shape or a "<" shape, including two mounting surfaces arranged at an obtuse angle;

[0012] Chassis positioning pins and nameplates are arranged on the side wall of the fixture body.

[0013] Preferably, the nameplate includes a zero point nameplate and a fixture information nameplate, and a lifting ring is arranged on the fixture body.

[0014] Preferably, the clamping assembly is installed on the two mounting surfaces included in the fixture body, and includes:

[0015] A first pressing plate, a second pressing plate, and a third pressing plate, all of which are movably installed on the fixture body and driven by the oil cylinder;

[0016] The first support pin, the second support seat, and the third support seat are installed on the fixture body corresponding to the first pressing plate, the second pressing plate, and the third pressing plate.

[0017] The first adjusting pad, the second adjusting pad, and the third adjusting pad are correspondingly installed at the ends of the first support pin, the second support seat, and the third support seat.

[0018] Preferably, the first pressing plate, the second pressing plate, and the third pressing plate are all set in an "L" shape, and the end faces close to the fixture body are engraved with reticulations or teeth.

[0019] One of the first pressing plate, the second pressing plate, and the third pressing plate has a character engraved on the end face close to the fixture body.

[0020] Preferably, the limiting component includes:

[0021] A positioning pin and a spring pin seat are arranged on the end face of the fixture body and located between the first pressing plate, the second pressing plate, and the third pressing plate.

[0022] Preferably, the limiting component further includes an anti-misalignment limiting block, which is arranged on the fixture body.

[0023] Preferably, anti-blocking covers are arranged on the holes and grooves on the fixture body.

[0024] Preferably, the positioning pin is set as a floating positioning pin.

[0025] Effects of the utility model

[0026] 1. By adopting a "V"-shaped fixture body, the placement of the workpiece is beneficial to processing, the tool length is shortened, hydraulic components are saved, and costs are reduced.

[0027] 2. Based on the arrangement of a number of anti-misalignment positioning blocks, the left and right workpieces on the two mounting surfaces included in the fixture body can be distinguished, avoiding processing accidents caused by incorrect workpiece placement by workers.

[0028] 3. Reticulations, teeth, characters, and positioning pins are provided to achieve auxiliary positioning and clamping, and the processing process of the workpiece can be traced through the characters. Description of the drawings

[0029] The embodiments of the present utility model will be described in detail below according to the drawings. In the drawings:

[0030] Figure 1 is the first structural view of the present utility model;

[0031] Figure 2 is the second structural view of the present utility model;

[0032] Figure 3It is the third structural view of the present utility model;

[0033] Figure 4 It is the top view of the present utility model.

[0034] Explanation of reference numerals

[0035] 1. Fixture body; 1-1. First pressing plate; 1-2. Second pressing plate; 1-3. Third pressing plate; 101. First supporting pin; 101-1. First adjusting pad; 102. Second supporting seat; 102-1. Second adjusting pad; 103. Third supporting seat; 103-1. Third adjusting pad; 2. Positioning pin; 201. Spring pin seat; 201-1. Fourth adjusting pad; 3. First anti-misalignment limit block; 301. Second anti-misalignment limit block; 302. Third anti-misalignment limit block; 303. Fourth anti-misalignment limit block; 304. Fifth anti-misalignment limit block; 4. Oil circuit board; 5. Chassis positioning pin; 501. Nameplate (zero point nameplate, information nameplate); 502. Oil cylinder. Detailed implementation manners

[0036] Hereinafter, a multi-angle fixture for knuckle machining, which is an embodiment of the present utility model, will be described with reference to the accompanying drawings.

[0037] Please refer to Figures 1 - 4 As shown, a multi-angle fixture for knuckle machining includes a fixture body 1, a clamping assembly arranged on the fixture body 1, a supporting assembly used in cooperation with the clamping assembly, and a limiting assembly for facilitating anti-misalignment and limiting of the workpiece;

[0038] An oil cylinder 502 and an oil circuit board 4 for providing power for the clamping assembly are also provided;

[0039] Specifically, the oil cylinder 502 adopts a Pascal hydraulic cylinder with an internal oil circuit and air detection;

[0040] Regarding the fixture body 1, it is set as a "V" shape or a "<" shape, and it includes two mounting surfaces, and the two mounting surfaces are arranged at an obtuse angle;

[0041] Specifically, both of the two mounting surfaces included in the fixture body 1 can clamp the workpiece;

[0042] More specifically, a chassis positioning pin 5 is arranged at the center of the side wall of the fixture body 1 for realizing the positioning of the machine tool and the fixture body 1;

[0043] Among them, the "workpiece" refers to the left front knuckle and the right front knuckle, which are respectively clamped on the two mounting surfaces included in the fixture body 1;

[0044] A nameplate 501 is arranged on the side wall of the fixture body 1;

[0045] Specifically, the nameplate 501 includes a zero point nameplate 501 and an information nameplate 501. Among them, the zero point nameplate 501 is used for positioning the fixture body 1, and the information nameplate 501 is used to record the information of the fixture body 1;

[0046] A lifting ring is provided on the fixture body 1, which facilitates the lifting of the fixture body 1;

[0047] The fixture body 1 is made of P20 material. After rough machining, it is annealed to release stress and prevent deformation. The parts adopt corresponding materials and corresponding heat treatment processes to improve wear resistance and fatigue strength;

[0048] Regarding the clamping assembly, clamping assemblies are provided on both mounting surfaces included in the fixture body 1. Each clamping assembly includes:

[0049] The first pressing plate 1-1, the second pressing plate 1-2, and the third pressing plate 1-3 are all movably mounted on one of the mounting surfaces included in the fixture body 1;

[0050] Specifically, the first pressing plate 1-1, the second pressing plate 1-2, and the third pressing plate 1-3 all adopt "L"-shaped jaws, and the end faces close to the fixture body 1 are all engraved with reticulations (or milled tooth teeth) to increase the friction force. Each clamping plate is respectively driven by an oil cylinder 502 mounted on the fixture body 1;

[0051] More specifically, any one of the end faces of the first pressing plate 1-1, the second pressing plate 1-2, and the third pressing plate 1-3 close to the fixture body 1 is provided with engraved characters, which is convenient for tracing the production process of the workpiece;

[0052] The first support pin 101 is arranged between the first pressing plate 1-1 and the fixture body 1, and a first adjusting pad 101-1 is arranged at the top thereof;

[0053] The second support seat 102 is arranged between the second pressing plate 1-2 and the fixture body 1, and a second adjusting pad 102-1 is arranged at the end close to the second pressing plate 1-2;

[0054] The third support seat 103 is arranged between the third pressing plate 1-3 and the fixture body 1, and a third adjusting pad 103-1 is arranged at the end close to the third pressing plate 1-3;

[0055] During use, the staff controls the oil cylinder 502 to open the jaws, places the workpiece on the fixture body 1, and is supported by the first support pin 101, the second support seat 102, and the third support seat 103. Precise adjustment is achieved through the first adjusting pad 101-1, the second adjusting pad 102-1, and the third adjusting pad 103-1, so as to ensure that the first, second, and third pressing plates 1-3 can all clamp the workpiece, and the clamping forces are the same, improving the clamping stability;

[0056] Regarding the limiting component, it includes:

[0057] The positioning pin 2 is arranged on the end face of the fixture body 1 and is located between the first pressing plate 1-1, the second pressing plate 1-2 and the third pressing plate 1-3;

[0058] Specifically, each mounting surface of the fixture body 1 is provided with at least 2 positioning pins 2. The positioning pins 2 are floating positioning pins 2, which improve the machining accuracy of the blank workpiece, and are quenched to enhance their hardness and extend their service life;

[0059] The spring pin seat 201 is arranged on the end face of the fixture body 1 and is arranged on one side of the positioning pin 2;

[0060] Specifically, the spring pin seat 201 is derived from the prior art, and its output end is provided with a limit pin that can pop out, aiming to assist in clamping;

[0061] More specifically, a fourth adjusting pad 201-1 is arranged at the end of the spring pin seat 201 away from the fixture body 1;

[0062] The anti-misalignment limit block is arranged on the mounting surface of the fixture body 1;

[0063] Specifically, the anti-misalignment limit block includes a first anti-misalignment limit block 301, a second anti-misalignment limit block 301, a third anti-misalignment limit block 302, a fourth anti-misalignment limit block 303 and a fifth anti-misalignment limit block 304;

[0064] More specifically, at least 5 anti-misalignment limit blocks are provided. Among them, 3 anti-misalignment limit blocks are installed corresponding to the clamping positions of the first pressing plate 1-1, the second pressing plate 1-2 and the third pressing plate 1-3. The anti-misalignment limit blocks are all arranged in a structure that fits the workpiece. The two groups of anti-misalignment limit blocks on both sides of the "V"-shaped fixture body 1 are respectively arranged corresponding to the left and right workpieces to avoid incorrect installation;

[0065] The above-mentioned multiple anti-misalignment limit blocks form a guiding mechanism, which is convenient for the loading, unloading, positioning, clamping and chip removal cleaning of the workpiece. And anti-blocking covers are installed at the holes and grooves on the fixture body 1 to prevent chips from falling in.

[0066] Normal use state

[0067] The staff installs the fixture body 1 on the machine tool (using a SW06-225+5 horizontal machining center, machining the first process on one side of the fixture and the second process on the other side) through the chassis positioning pin 5 (2 sets of fixtures are used for each machine tool, and each set of fixtures clamps a left front steering knuckle and a right front steering knuckle). Open the first pressing plate 1-1, the second pressing plate 1-2 and the third pressing plate 1-3, place the left and right workpieces on the two mounting surfaces included in the fixture body 1 respectively. The spring pin seat 201, the positioning pin 2 and the support seat support the workpiece. Start the oil cylinder 502 to drive the first pressing plate 1-1, the second pressing plate 1-2 and the third pressing plate 1-3 to clamp the workpiece, and the machine tool moves the fixture body 1 to the machining position for machining.

[0068] Compared with the prior art, the utility model has the following characteristics:

[0069] 1. The "V"-shaped fixture body 1 is adopted, which makes the placement of the workpiece beneficial to processing, shortens the tool length, saves hydraulic components and reduces costs;

[0070] 2. Based on the setting of a number of anti-mistake positioning blocks, the left and right workpieces on the two mounting surfaces included in the fixture body 1 can be distinguished, avoiding processing accidents caused by incorrect placement of workpieces by workers;

[0071] 3. A net pattern, tooth teeth, lettering, and positioning pins 2 are provided to achieve auxiliary positioning and clamping, and the processing process of the workpiece can be traced through the lettering.

[0072] The utility model is not limited to the implementation mode, and various deformations can be implemented as long as its purpose is not violated.

Claims

1. A multi-angle fixture for knuckle processing, comprising a fixture body (1), characterized in that: Also includes: A clamping assembly arranged on the clamp body (1), a supporting assembly used in conjunction with the clamping assembly, and a limiting assembly for preventing the workpiece from being misaligned; and an oil cylinder (502) used in conjunction with the clamping assembly; The clamp body (1) is configured in a "V" shape or a "<" shape, and includes two mounting surfaces that are configured at an obtuse angle; The side wall of the clamp body (1) is provided with a chassis positioning pin (5) and a nameplate (501).

2. The multi-angle fixture for steering knuckle processing according to claim 1, characterized in that: The nameplate (501) comprises a zero point nameplate and a fixture information nameplate, and a hanging ring is provided on the fixture body (1).

3. The multi-angle fixture for steering knuckle machining according to claim 1, characterized in that: The clamping assembly is mounted on two mounting surfaces of the clamp body (1), and comprises: The first pressing plate (1-1), the second pressing plate (1-2) and the third pressing plate (1-3) are all movably mounted on the clamp body (1) and driven by the oil cylinder (502); A first supporting pin (101), a second supporting seat (102), and a third supporting seat (103) are mounted on the clamp body (1) corresponding to the first pressing plate (1-1), the second pressing plate (1-2), and the third pressing plate (1-3); The first adjustment pad (101-1), the second adjustment pad (102-1) and the third adjustment pad (103-1) are correspondingly mounted on the ends of the first supporting nail (101), the second supporting seat (102) and the third supporting seat (103).

4. The multi-angle fixture for steering knuckle machining according to claim 3, characterized in that: The first pressing plate (1-1), the second pressing plate (1-2) and the third pressing plate (1-3) are all arranged in an "L" shape, and their end surfaces close to the clamp body (1) are all engraved with mesh patterns or teeth; One of the first pressing plate (1-1), the second pressing plate (1-2) and the third pressing plate (1-3) is provided with inscriptions on its end surface close to the clamp body (1).

5. The multi-angle fixture for steering knuckle machining according to claim 3, characterized in that: The limiting component comprises: The positioning pin (2) and the elastic pin seat (201) are arranged on the end surface of the clamp body (1) and are located between the first pressing plate (1-1), the second pressing plate (1-2) and the third pressing plate (1-3).

6. The multi-angle fixture for steering knuckle machining according to claim 5, characterized in that: The limiting assembly also includes an anti-error limiting block, which is arranged on the clamp body (1).

7. The multi-angle fixture for steering knuckle machining according to claim 1, characterized in that: The holes and grooves on the clamp body (1) are all provided with anti-blocking covers.

8. The multi-angle fixture for steering knuckle machining according to claim 5, characterized in that: The positioning pin (2) is configured as a floating positioning pin.

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