CN217122506U - Automobile steering tie rod arm machining clamp - Google Patents

Abstract

The utility model relates to the technical field of automobile accessory processing, in particular to an automobile steering tie rod arm processing clamp, which comprises a base, wherein a clamping assembly is arranged on the upper side surface of the base, and end fixing assemblies are symmetrically arranged on the surfaces of the two sides of the base; the centre gripping subassembly includes two-way ball screw, two-way ball screw rotates and sets up in the recess, the recess is seted up on the base side, two-way ball screw bilateral symmetry sets up first screw and second screw, first screw side surface sets up first clamp splice, second screw side surface sets up the second clamp splice, two-way ball screw one end is connected with the first finger that is located base side surface, first clamp splice and second clamp splice side surface equidistance set up supplementary fixed knot and construct, the utility model discloses the surface of tie rod arm can laminate improves tie rod arm centre gripping stability, and fixes the tip, has guaranteed the stability of adding man-hour.

Description

An automobile steering tie rod arm processing fixture

technical field

The utility model relates to the technical field of automobile parts processing, in particular to a processing fixture for an automobile steering tie rod arm.

Background technique

Straight tie rod and horizontal tie rod are the two main parts of the steering system of the car. The straight tie rod is a rod connecting the steering arm and the left arm of the steering knuckle. After the steering force is transmitted to the steering knuckle, the wheels can be controlled. The horizontal tie rod It is connected to the left and right steering arms, one can synchronize the two wheels, and the other can adjust the toe-in. The end of the steering tie rod is connected to the steering knuckle through a ball joint. Because of the large force required to turn the wheel directly, most cars now use hydraulic steering, which reduces the driver's force and makes the steering more flexible and easy to operate. In the processing process, it is necessary to use an included angle for clamping and fixing.

As disclosed in the utility model with the authorization announcement number CN204639706U, an automobile steering tie rod arm drilling and milling fixture includes a fixture base plate, a thin hydraulic cylinder, a pressure head, a positioning plate, a rear hydraulic angle cylinder, a pressing block, a positioning pin, Support block, floating support device, workpiece supporter, front hydraulic angle cylinder, thin hydraulic cylinder is arranged on the left side of the upper surface of the fixture base plate, the right end is the pressure head, the right side of the workpiece is positioned by the positioning plate, the left side is Press down with the indenter, the middle of the upper surface of the fixture base plate is fixed with a rear hydraulic angle cylinder, the positioning pin is set at the rear end of the workpiece to position the workpiece in the front and rear direction, the bottom surface of the workpiece is placed on the support block, and the floating support device is used to The middle part of the workpiece is supported. The workpiece supporter is arranged on the upper surface of the fixture base plate and is located in front of the floating support device. During the clamping process, it cannot closely fit the shape of the tie rod arm, and the clamping stability is not good. The end of the tie rod arm is fixed, and the offset of the transverse tie rod arm is easily caused during the milling process, which affects the milling effect.

Utility model content

In order to solve the technical problems existing in the background technology, the present utility model proposes an automobile steering tie rod arm processing fixture, which includes a base, a clamping component is arranged on the upper side of the base, and end fixing components are symmetrically arranged on both sides of the base. ;

The clamping assembly includes a two-way ball screw, which is rotatably arranged in a groove, the groove is opened on the upper side of the base, and the two sides of the two-way ball screw are symmetrically arranged with a first nut and The second screw nut, a first clamping block is provided on one side surface of the first screw nut, a second clamping block is provided on one side surface of the second screw nut, and one end of the bidirectional ball screw is connected to the first clamping block located on one side surface of the base. A hand wheel is connected, and auxiliary fixing structures are arranged equidistantly on one side surface of the first clamping block and the second clamping block.

Preferably, the auxiliary fixing structure includes a first clamping pin and a second clamping pin, the first clamping pin is slidably arranged in a first receiving groove, and the first receiving groove is opened in a first clamping block. a side surface, a first spring is arranged on the inner side surface of the first receiving groove, one end of the first spring is connected with a first clamping pin, the second clamping pin is slidably arranged in the second receiving groove, the The second receiving groove is opened on one side surface of the second clamping block, the inner surface of the second receiving groove is provided with a second spring, and one end of the second spring is connected with the second clamping pin.

Preferably, a first guide block is provided on one side surface of the first clamping pin, one end of the first guide block is slidably arranged in a first guide groove, and the first guide groove is opened on one side of the first receiving groove One side surface of the second clamping pin is provided with a second guide block, one end of the second guide block is slidably arranged in the second guide groove, and the second guide groove is opened on the inner side surface of the second receiving groove .

Preferably, the end fixing assembly includes a bottom plate, the bottom plate is arranged on one side surface of the base, a vertical plate is arranged on one side of the upper surface of the bottom plate, an adjusting screw is rotated in the middle of the vertical plate, and one end of the adjusting screw is connected to the end of the adjusting screw. The end splint is in contact with the end splint, the end splint is arranged on one side of the upper surface of the base, and one end of the adjusting screw is provided with a second hand wheel.

Preferably, a limit slider is arranged on the lower side of the end clamp, one end of the limit slider is slidably arranged in a limit chute, and the limit chute is opened on the upper side of the bottom plate.

Preferably, a return spring is provided on the inner surface of the limit chute, and one end of the return spring is connected to the limit slider.

Compared with the prior art, the above-mentioned technical solution of the present utility model has the following beneficial technical effects:

1. The utility model can fit the outer surface of the tie rod arm through the setting of the bidirectional ball screw, the first clamping block, the second clamping block and the auxiliary fixing structure, which improves the degree of fit during clamping and improves the clamping force. maintain stability.

2. The utility model can clamp and fix both ends of the tie rod arm through the arrangement of the end fixing components, which ensures the stability of the tie rod arm during processing.

Description of drawings

Fig. 1 is the structural representation of the automobile steering tie rod arm processing fixture of the first embodiment;

Fig. 2 is the right-side cross-sectional structural schematic diagram of the clamping assembly in the processing fixture of the automobile steering tie rod arm;

Fig. 3 is a partial enlarged structural schematic diagram at A of Fig. 2;

Fig. 4 is a partial enlarged structural schematic diagram at B of Fig. 2;

FIG. 5 is a schematic cross-sectional structural schematic diagram of the front view of the middle end fixing assembly of the automobile steering tie rod arm processing fixture.

Reference numerals: 1, clamping assembly; 2, end fixing assembly; 3, base; 21, bottom plate; 22, end splint; 23, adjusting screw; 24, vertical plate; 25, second hand wheel; 26, return spring; 27, limit slider; 28, limit chute; 101, first hand wheel; 102, groove; 103, two-way ball screw; 104, first thread nut; 105, first clamp; 106, the second clamping block; 107, the second wire nut; 108, the first receiving groove; 109, the first spring; 110, the first clamping pin; 111, the first guide groove; 112, the first guide block; 113 114, the second spring; 115, the second clamping pin; 116, the second guide groove; 117, the second guide block.

Detailed ways

Example 1

As shown in FIGS. 1-4 , a processing fixture for an automobile steering tie rod arm proposed by the present invention includes a base 3 , a clamping component 1 is arranged on the upper side of the base 3 , and end fixing components 2 are symmetrically arranged on both sides of the base 3 ;

The clamping assembly 1 includes a two-way ball screw 103, the two-way ball screw 103 is rotatably arranged in a groove 102, the groove 102 is opened on the upper side of the base 3, and the two sides of the two-way ball screw 103 are symmetrically arranged with a first nut 104 and The second nut 107, the first clamping block 105 is provided on one side surface of the first nut 104, the second clamping block 106 is provided on the side surface of the second nut 107, one end of the bidirectional ball screw 103 is connected to the one on the side surface of the base 3 The first hand wheel 101 is connected, the first clamping block 105 and one side surface of the second clamping block 106 are equidistantly provided with auxiliary fixing structures. The auxiliary fixing structures include a first clamping pin 110 and a second clamping pin 115. The first clamping The pin 110 is slidably arranged in the first receiving groove 108, the first receiving groove 108 is opened on one side surface of the first clamping block 105, the inner surface of the first receiving groove 108 is provided with a first spring 109, and one end of the first spring 109 is connected to the first clamping block 105. A clamping pin 110 is connected, the second clamping pin 115 is slidably arranged in the second receiving groove 113 , the second receiving groove 113 is opened on one side surface of the second clamping block 106 , and the inner side surface of the second receiving groove 113 is provided with a first Two springs 114 , one end of the second spring 114 is connected with the second clamping pin 115 .

In this embodiment, the tie rod arm is first placed on the base 3, the bidirectional ball screw 103 is driven to rotate by the first hand wheel 101, the first nut 104 drives the first clamping block 105 to move, and the second nut 107 drives the The two clamping blocks 106 move, the first clamping block 105 and the second clamping block 106 drive the first clamping pin 110 and the second clamping pin 115 to move, when the first clamping pin 110 and the second clamping pin 115 and the tie rod After the arms are attached, the first clamping pin 110 and the second clamping pin 115 compress the first spring 109 and the second spring 114, and the elastic force of the first spring 109 and the second spring 114 can make the first clamping pin 110 And the second clamping pin 115 is in contact with the surface of the tie rod arm, which improves the stability of the tie rod arm when clamping.

One side surface of the first clamping pin 110 is provided with a first guide block 112, one end of the first guide block 112 is slidably arranged in the first guide groove 111, the first guide groove 111 is opened on the inner side surface of the first receiving groove 108, One side surface of the two clamping pins 115 is provided with a second guide block 117 , one end of the second guide block 117 is slidably arranged in the second guide groove 116 , and the second guide groove 116 is opened on the inner side surface of the second receiving groove 113 . Guidance when the first clamping pin 110 and the second clamping pin 115 move.

Embodiment 2

As shown in FIG. 5 , compared with the first embodiment, the present invention also includes an end fixing assembly 2, and the end fixing assembly 2 includes a bottom plate 21, and the bottom plate 21 It is arranged on one side surface of the base 3 , a vertical plate 24 is arranged on one side of the upper surface of the bottom plate 21 , and an adjusting screw 23 is rotated in the middle of the vertical plate 24 . On the surface side, one end of the adjusting screw 23 is provided with a second hand wheel 25, and a limit slider 27 is provided on the lower side of the end clamp plate 22. One end of the limit slider 27 is slidably arranged in the limit chute 28, and the limit chute 28 It is opened on the upper side of the bottom plate 21 .

In this embodiment, the adjusting screw 23 is rotated, the adjusting screw 23 rotates and moves, the adjusting screw 23 drives the end clamp 22 to move, and the end clamp 22 drives the limit slider 27 to move in the limit chute 28. After 22 is attached to the end of the tie rod arm, the end splint 22 clamps and fixes the tie rod arm.

A reset spring 26 is arranged on the inner surface of the limit chute 28. One end of the reset spring 26 is connected with the limit slider 27. The limit slider 27 moves and pulls up the reset spring 26, which can drive the end part through the elastic force of the reset spring 26. The splint 22 is reset and moved.

The embodiments of the present utility model are described in detail above in conjunction with the accompanying drawings, but the present utility model is not limited thereto, within the scope of knowledge possessed by those skilled in the art, without departing from the purpose of the present utility model. make various changes.

Claims (6)

1. An automobile steering tie rod arm processing fixture, comprising a base (3), characterized in that a clamping assembly (1) is provided on the upper side of the base (3), and the two sides of the base (3) are symmetrically arranged on the surface end fixing assembly (2); The clamping assembly (1) includes a bidirectional ball screw (103), the bidirectional ball screw (103) is rotatably arranged in a groove (102), and the groove (102) is opened on the base (3) On the side, a first nut (104) and a second nut (107) are symmetrically arranged on both sides of the bidirectional ball screw (103), and a first clamping block (104) is arranged on one side of the first nut (104). 105), a second clamping block (106) is arranged on one side surface of the second screw nut (107), and one end of the bidirectional ball screw (103) is connected to the first hand wheel (101) located on one side surface of the base (3). ) connection, and auxiliary fixing structures are provided equidistantly on one side surface of the first clamping block (105) and the second clamping block (106). 2 . The tie rod arm processing fixture for automobiles according to claim 1 , wherein the auxiliary fixing structure comprises a first clamping pin (110) and a second clamping pin (115), and the first clamping pin (115). 3 . A clamping pin (110) is slidably arranged in the first receiving groove (108), the first receiving groove (108) is opened on one side surface of the first clamping block (105), and the first receiving groove (108) A first spring (109) is provided on the inner side surface, one end of the first spring (109) is connected with the first clamping pin (110), and the second clamping pin (115) is slidably arranged in the second receiving groove ( 113), the second receiving groove (113) is opened on one side surface of the second clamping block (106), the inner side surface of the second receiving groove (113) is provided with a second spring (114), and the first One end of the two springs (114) is connected with the second clamping pin (115). 3 . The tie rod arm processing fixture for automobiles according to claim 2 , wherein a first guide block ( 112 ) is provided on one side surface of the first clamping pin ( 110 ), and the first guide One end of the block (112) is slidably arranged in the first guide groove (111), the first guide groove (111) is opened on the inner side surface of the first receiving groove (108), and the second clamping pin (115) One side surface is provided with a second guide block (117), one end of the second guide block (117) is slidably arranged in the second guide groove (116), and the second guide groove (116) is opened in the second receiving groove ( 113) Inner side surface. 4. An automobile tie rod arm processing fixture according to claim 1, wherein the end fixing assembly (2) comprises a bottom plate (21), and the bottom plate (21) is arranged on the base (3) One side surface, a vertical plate (24) is arranged on one side of the upper surface of the bottom plate (21), an adjusting screw (23) is rotated in the middle of the vertical plate (24), and one end of the adjusting screw (23) is connected to the end splint ( 22) Abutting, the end clamp plate (22) is arranged on one side of the upper surface of the base (3), and a second hand wheel (25) is arranged at one end of the adjusting screw (23). 5. An automobile steering tie rod arm processing fixture according to claim 4, characterized in that a limit slider (27) is provided on the lower side of the end clamp plate (22), and the limit slider ( 27) One end is slidably arranged in the limit chute (28), and the limit chute (28) is provided on the upper side surface of the bottom plate (21). 6. An automobile steering tie rod arm processing fixture according to claim 5, characterized in that a return spring (26) is provided on the inner surface of the limit chute (28), and the return spring (26) One end is connected with the limit slider (27).

Images