Special-shaped part turning clamp

Abstract

The utility model relates to a special-shaped part turning clamp in the technical field of turning clamping devices. Comprising a first auxiliary clamp facilitating limiting and clamping of a workpiece body, a supporting piece used for supporting the workpiece body is installed in the middle of the workpiece body, and a second auxiliary clamp used for being matched with the first auxiliary clamp to clamp the workpiece body is connected to the upper end of the first auxiliary clamp. A workpiece body is supported through a first connecting rod, when a first nut is rotated, a gasket pushes a lantern ring, an abutting ring synchronously gets close to the workpiece body, the workpiece body is pushed, the workpiece body abuts against the right side, then an arc-shaped plate and a U-shaped block are assembled, and then a second nut is rotated; and the arc-shaped plate and the U-shaped block get close to each other, and finally the workpiece body is clamped, so that the workpiece body is relatively stable during machining.

Description

Technical Field

[0001] The utility model relates to the technical field of turning clamping devices, in particular to a turning clamp for special-shaped parts. Background Art

[0002] There are a large number of special-shaped parts in the brake system and steering system of automobile chassis, most of which are cast and forged parts with complex structures and high processing precision. They are often classified as important parts by designers and process personnel in mechanical processing. The shape processing of special-shaped parts with various shapes is often identified as a key control processing procedure due to the difficulty of clamping, positioning and processing. At the same time, due to its long processing cycle, a lot of spare parts are often added during production preparation to ensure processing quality in order to ensure product production progress. For this reason, the processing progress and processing quality of such parts often become the key control items in the production of model products.

[0003] In the related art, there is a type of special-shaped parts, the middle part of which is cylindrical, and a through hole is set in the middle, and the outer wall of one side of the cylindrical block is connected to a special-shaped part, and both ends of the special-shaped parts need to be processed. At present, the common processing method for this type of parts is to use CNC equipment, but the use of CNC equipment is only suitable for the processing of single product parts, the processing cost is high, the production cost is increased, and it is not suitable for mass production. In order to ensure the product processing quality and processing progress, it is necessary to design a simple and efficient clamping and positioning device according to the characteristics of special-shaped parts. Utility Model Content

[0004] In order to solve the problem in the above background technology that a simple and efficient clamping and positioning device needs to be designed according to the characteristics of special-shaped parts, the utility model provides the following technical solutions:

[0005] A special-shaped parts turning fixture, comprising an auxiliary fixture 1 for facilitating position clamping of a workpiece body;

[0006] A support member for supporting the workpiece body is installed in the middle of the workpiece body, and an auxiliary clamp 2 for cooperating with the auxiliary clamp 1 to clamp the workpiece body is connected to the upper end of the auxiliary clamp 1.

[0007] The support member includes a limiting head for limiting the position of the workpiece body, one end of the limiting head is equipped with a connecting rod 1 for limiting the position of the workpiece body, and one end of the auxiliary clamp 1 slides on the rod body of the connecting rod 1.

[0008] The auxiliary clamp 1 includes an arc plate that cooperates with the auxiliary clamp 2 to clamp the workpiece body, and the arc plate includes a limiting component used to cooperate with a pair of connecting rods to limit the arc plate.

[0009] The second auxiliary clamp comprises a U-shaped block, and a pressing plate for pressing the workpiece body is connected to the middle of the U-shaped block.

[0010] Furthermore, a middle hole is opened in the middle of the workpiece body, and a connecting rod cooperates with the middle hole to support the workpiece body, and the upper end of the workpiece body is connected with a special-shaped end.

[0011] Furthermore, a thread groove is provided on the rod body of the connecting rod one, and a first nut is provided on the right side of the rod body of the connecting rod one for cooperating with the thread groove to control the limit assembly to tighten the workpiece body, and a gasket is sleeved on the right side of the rod body of the limit head, and the gasket is located between the limit assembly and the first nut.

[0012] Furthermore, a connecting block 1 is installed at the lower end of the arc-shaped plate, and a T-shaped limiting groove for limiting the limiting component is opened at the right end of the connecting block 1.

[0013] Furthermore, a second connecting block is installed on both sides of the front and rear ends of the upper end of the arc plate, a screw is installed in the middle of the upper end of the connecting block, and a second nut for controlling the U-shaped block to approach the arc plate is installed on the upper end of the screw.

[0014] Furthermore, a plurality of anti-slip pads are installed on the inner wall of the arc-shaped plate.

[0015] Furthermore, the limiting assembly includes a ring that cooperates with a connecting rod to limit a pair of arc plates, a resisting ring for interfering with the workpiece body is installed on the left side of the ring, an arc rod is installed at the lower end of the ring, and a limiting slider for sliding in the groove cavity of the T-shaped limiting groove is installed at the left end of the arc rod.

[0016] Furthermore, a horizontal plate is installed at the front and rear ends of the U-shaped block, a connecting hole is opened in the middle of the horizontal plate for the extension and retraction of the screw, a connecting block three is installed at the upper end of the pressure plate, a connecting block four is installed at the lower middle end of the U-shaped block, and a connecting rod two for limiting the connecting block three is installed in the middle of the connecting block four.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The workpiece body is supported by a pair of connecting rods. When the first nut is rotated, the gasket pushes the sleeve ring, and the collar approaches the workpiece body synchronously and pushes the workpiece body to press the workpiece body and the right side thereof against each other. After the arc plate and the U-shaped block are assembled, the second nut is rotated to bring the arc plate and the U-shaped block closer to each other, and finally the workpiece body is clamped to make the workpiece body more stable during processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the workpiece body of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the support member of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the auxiliary clamp 1 of the utility model;

[0023] Figure 5 It is a structural schematic diagram of the limit assembly of the utility model;

[0024] Figure 6 This is a schematic structural diagram of the auxiliary clamp 2 of the utility model.

[0025] In the accompanying drawings, the names of the components represented by the reference numerals are listed as follows:

[0026] 10-workpiece body, 11-middle hole, 12-special-shaped end;

[0027] 001-Supporting parts;

[0028] 100-limiting head, 110-connecting rod 1, 111-thread groove, 120-first nut, 130-washer;

[0029] 002-Auxiliary fixture 1;

[0030] 200-arc plate, 210-connecting block 1, 211-T-shaped limiting groove, 220-connecting block 2, 221-screw, 222-second nut, 230-anti-slip pad, 240-limiting assembly, 241-collar, 242-retaining ring, 243-arc rod, 244-limiting slider;

[0031] 003- Auxiliary fixture 2;

[0032] 300 - U-shaped block, 310 - horizontal plate, 311 - connecting hole, 320 - pressing plate, 321 - connecting block three, 330 - connecting block four, 331 - connecting rod two. DETAILED DESCRIPTION

[0033] The preferred specific implementation methods for implementing the present utility model are described in detail below, and a clear and complete description is made in conjunction with the accompanying drawings.

[0034] See also Figure 1-Figure 6 The utility model provides a special-shaped parts turning fixture, including a support member 001 for supporting a workpiece body 10, and an auxiliary fixture 1 002 and an auxiliary fixture 2 003 for clamping the workpiece body 10 in cooperation with the support member 001.

[0035] A middle hole 11 is provided in the middle of the workpiece body 10, and a connecting rod 110 cooperates with the middle hole 11 to support the workpiece body 10. The connecting rod 110 is extended and retracted in the hole of the middle hole 11. When processing the workpiece body 10, the connecting rod 110 is first passed through the hole of the middle hole 11, and the workpiece body 10 is moved to the left side of the connecting rod 110, so that the left side of the workpiece body 10 and the right side of the limit head 100 are close to each other. The upper end of the workpiece body 10 is connected to a special-shaped end 12, and the special-shaped end 12 can be set as other irregular bodies.

[0036] A support member 001 for supporting the workpiece body 10 is installed in the middle of the workpiece body 10, and the support member 001 includes a limit head 100 for limiting the workpiece body 10. A connecting rod 110 for supporting and limiting the workpiece body 10 is fixedly installed on the right end of the limit head 100, and one end of the auxiliary clamp 002 slides on the rod body of the connecting rod 110.

[0037] The rod body of the connecting rod 110 is provided with a thread groove 111, and the right side of the rod body of the connecting rod 110 is provided with a first nut 120 for cooperating with the thread groove 111 to control the limiting assembly 240 to press against the workpiece body 10, and the right side of the rod body of the limiting head 100 is sleeved with a gasket 130, and the gasket 130 is located between the limiting assembly 240 and the first nut 120. When processing the workpiece body 10, the workpiece body 10 is first sleeved on the left end of the rod body of the connecting rod 110, and then the limiting assembly 240 is sleeved on the rod body of the connecting rod 110, so that the ring 242 and the right side of the workpiece body 10 are in contact, and then the gasket 130 is put in, and finally the first nut 120 is turned in, so that the ring 242 cooperates with the limiting head 100 to press against the workpiece body 10, and the workpiece body 10 cannot shake.

[0038] The auxiliary clamp 002 for limiting and clamping the workpiece body 10 includes an arc plate 200 that cooperates with the auxiliary clamp 003 to clamp the workpiece body 10. The workpiece body 10 is located in the middle of the arc plate 200. A connecting block 210 is fixedly installed at the lower end of the arc plate 200. A T-shaped limiting groove 211 for limiting the limiting component 240 is provided at the right end of the connecting block 210. The limiting slider 244 can slide up and down in the groove cavity of the T-shaped limiting groove 211 to facilitate clamping of workpiece bodies 10 of different sizes.

[0039] The second connecting block 220 is fixedly installed on the front and rear sides of the upper end of the arc plate 200, and a screw rod 221 is fixedly installed in the middle of the upper end of the connecting block 220, and a second nut 222 for controlling the U-shaped block 300 to approach the arc plate 200 is installed on the upper end of the screw rod 221. When the workpiece body 10 is tightened, the cross plate 310 is located at the lower end of the second nut 222. A plurality of anti-skid pads 230 are fixedly installed on the inner wall of the arc plate 200 to further ensure the stability of the workpiece body 10 during processing.

[0040] The arc plate 200 includes a limiting assembly 240 for cooperating with the connecting rod 110 to limit the arc plate 200, and the limiting assembly 240 includes a ring 241 for cooperating with the connecting rod 110 to limit the arc plate 200. The left side of the ring 241 is fixedly installed with a resisting ring 242 for abutting against the workpiece body 10, and the lower end of the ring 241 is fixedly installed with an arc rod 243, and the left end of the arc rod 243 is fixedly installed with a limiting slider 244 for sliding in the groove cavity of the T-shaped limiting groove 211.

[0041] When the second nut 222 is rotated, the cross plate 310 and the connecting block 220 approach each other, and the limiting slider 244 synchronously moves from the upper end of the groove cavity of the T-shaped limiting groove 211 to the lower end of the groove cavity of the T-shaped limiting groove 211, so that the bottom end of the workpiece body 10 and the inner wall of the arc plate 200 are fitted, and the pressure plate 320 presses the top special-shaped end 12 of the workpiece body 10 to stabilize the workpiece body 10, which is convenient for processing equipment to process both ends of the workpiece body 10.

[0042] The upper end of the auxiliary clamp 1 002 is connected to an auxiliary clamp 2 003 for cooperating with the auxiliary clamp 1 002 to clamp the workpiece body 10. The auxiliary clamp 2 003 includes a U-shaped block 300. A cross plate 310 is fixedly installed at the front and rear ends of the U-shaped block 300. A connecting hole 311 for the screw rod 221 to be extended and retracted is opened in the middle of the cross plate 310. Two connecting blocks 4 330 are fixedly installed at the lower middle end of the U-shaped block 300. A connecting rod 2 331 for limiting the connecting block 3 321 is fixedly installed in the middle of the connecting block 4 330.

[0043] The lower middle end of the U-shaped block 300 is connected to a pressing plate 320 for pressing the workpiece body 10, and the upper end of the pressing plate 320 is installed with a connecting block three 321, and the upper end of the connecting block three 321 is movably connected to the connecting hole 311, and the top of the connecting block three 321 is provided with a cavity for placing the connecting rod two 331, so that when the U-shaped block 300 and the arc plate 200 are close to each other, the pressing plate 320 automatically rotates according to the inclination angle of the upper end of the special-shaped end 12, so as to clamp the workpiece body 10.

[0044] Based on the above content and the accompanying drawings, those skilled in the art can understand and implement the utility model. In addition, any non-creative modifications made to the utility model by those skilled in the art without making creative work still fall within the scope of protection of the utility model.

Claims

1. A special-shaped parts turning fixture, comprising an auxiliary fixture (002) for facilitating position clamping of a workpiece body (10), characterized in that: A support member (001) for supporting the workpiece body (10) is installed in the middle of the workpiece body (10), and an auxiliary clamp (003) for cooperating with the auxiliary clamp (002) to clamp the workpiece body (10) is connected to the upper end of the auxiliary clamp (002); The support member (001) comprises a limiting head (100) for limiting the position of the workpiece body (10), one end of the limiting head (100) is installed with a connecting rod (110) for limiting the position of the workpiece body (10), and one end of the auxiliary clamp (002) slides on the rod body of the connecting rod (110); The auxiliary clamp 1 (002) comprises an arc-shaped plate (200) for clamping the workpiece body (10) in cooperation with the auxiliary clamp 2 (003); the arc-shaped plate (200) comprises a limiting assembly (240) for limiting the arc-shaped plate (200) in cooperation with the connecting rod 1 (110); The auxiliary clamp 2 (003) comprises a U-shaped block (300), and a pressing plate (320) for pressing the workpiece body (10) is connected to the middle of the U-shaped block (300).

2. The special-shaped parts turning fixture according to claim 1, characterized in that: A middle hole (11) is opened in the middle of the workpiece body (10), and a connecting rod (110) cooperates with the middle hole (11) to support the workpiece body (10), and the upper end of the workpiece body (10) is connected to a special-shaped end (12).

3. The special-shaped parts turning fixture according to claim 1, characterized in that: A thread groove (111) is provided on the rod body of the connecting rod 1 (110); a first nut (120) is provided on the right side of the rod body of the connecting rod 1 (110) for cooperating with the thread groove (111) to control the limiting assembly (240) to tighten the workpiece body (10); a gasket (130) is sleeved on the right side of the rod body of the limiting head (100), and the gasket (130) is located between the limiting assembly (240) and the first nut (120).

4. The special-shaped parts turning fixture according to claim 1, characterized in that: A connecting block 1 (210) is installed at the lower end of the arc-shaped plate (200), and a T-shaped limiting groove (211) for limiting the limiting assembly (240) is provided at the right end of the connecting block 1 (210).

5. The special-shaped parts turning fixture according to claim 1, characterized in that: A second connecting block (220) is installed at both front and rear sides of the upper end of the arc plate (200), a screw rod (221) is installed at the middle of the upper end of the connecting block (220), and the upper end of the screw rod (221) is threadedly connected to a second nut (222) for controlling the U-shaped block (300) to approach the arc plate (200).

6. The special-shaped parts turning fixture according to claim 1, characterized in that: A plurality of anti-slip pads (230) are installed on the inner wall of the arc-shaped plate (200).

7. The special-shaped parts turning fixture according to claim 4, characterized in that: The limiting assembly (240) comprises a collar (241) for limiting the arc plate (200) in cooperation with a connecting rod (110); a resisting ring (242) for contacting the workpiece body (10) is installed on the left side of the collar (241); an arc rod (243) is installed at the lower end of the collar (241); and a limiting slider (244) for sliding in the groove cavity of the T-shaped limiting groove (211) is installed at the left end of the arc rod (243).

8. The special-shaped parts turning fixture according to claim 5, characterized in that: The front and rear ends of the U-shaped block (300) are provided with a transverse plate (310), the middle of the transverse plate (310) is provided with a connection hole (311) for allowing the screw rod (221) to be extended and retracted, the upper end of the pressing plate (320) is provided with a connection block three (321), the lower middle end of the U-shaped block (300) is provided with a connection block four (330), and the middle of the connection block four (330) is provided with a connection rod two (331) for limiting the connection block three (321).

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