CN210649654U

CN210649654U - Clamping device for machining automobile steering knuckle

Info

Publication number: CN210649654U
Application number: CN201921205349.3U
Authority: CN
Inventors: 秦林强; 孔繁磊
Original assignee: Dalian Da Forging Co Ltd
Current assignee: Dalian Da Forging Co Ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-06-02
Anticipated expiration: 2029-07-29

Abstract

The utility model discloses a clamping device is used in auto steering knuckle processing relates to auto-parts processing technology field. The utility model comprises a base, wherein a support column is fixed on the surface of the base; one end of the supporting column is fixed with a circular plate; the circle center position of the surface of the circular plate is communicated with a guide cylinder; the inner side of one end of the guide cylinder is hinged with three first clamping plates; a connecting column is in sliding fit with the interior of the guide cylinder; three connecting rods are hinged to the peripheral side surface of one end of the connecting column; one end of the connecting rod is hinged with the first clamping plate; one end of the extension plate is hinged with a second clamping plate; the lower surface of the second clamping plate is hinged with a pull rod. The utility model pulls the connecting column and the support arm through the cylinder, and the connecting column drives the connecting rod to lead the first clamping plate to limit and clamp the axle hole end of the steering knuckle hub; the support arm drives the pull rod to enable the second clamping plate to clamp the flange plate of the steering knuckle in a limiting mode, and the limiting plate positions the connecting arm of the steering column, so that the machining production efficiency and the machining precision of the steering knuckle are improved, and the production quality of the steering knuckle is guaranteed.

Description

Clamping device for machining automobile steering knuckle

Technical Field

The utility model belongs to the technical field of auto-parts processing, especially, relate to a clamping device is used in auto steering knuckle processing.

Background

The automobile steering knuckle is an important part in an automobile steering system, can enable an automobile to stably run and sensitively transmit the running direction, and has the functions of bearing the front load of the automobile, supporting and driving a front wheel to rotate around a main pin so as to enable the automobile to steer; the automobile steering knuckle mainly comprises end face machining and hole machining in the machining process. When the end face and the hole of the automobile steering knuckle are machined, a special clamp is needed to ensure the machining precision.

In the processing process, a common fixing clamp is adopted for clamping by using a traditional mechanical mode such as a pressing plate pressing block, a large amount of time can be wasted on the clamping and positioning process in the working mode, the positioning is inaccurate, the processing precision cannot meet the requirement, and particularly in mass production, the processing efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a clamping device is used in processing of auto steering knuckle uses through the cooperation of spliced pole, connecting rod, pull rod, first splint and second splint, and it is poor to have solved current auto steering knuckle and press from both sides tight fixing device location effect, and the operation is complicated to result in the problem that production efficiency is low.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a clamping device for processing an automobile steering knuckle, which comprises a base, wherein a supporting column is fixed on the surface of the base; a circular plate is fixed at one end of the supporting column; the circle center position of the surface of the circular plate is communicated with a guide cylinder; a plurality of first clamping plates are hinged to the inner side of one end of the guide cylinder; a connecting column is in sliding fit with the interior of the guide cylinder; a plurality of connecting rods are hinged to the peripheral side surface of one end of the connecting column; one end of the connecting rod is hinged with the first clamping plate; the peripheral side surface arrays of the circular plates are provided with extension plates; the surface of the extension plate is provided with a guide groove; one end of the extension plate is hinged with a second clamping plate; the lower surface of the second clamping plate is hinged with a pull rod; the pull rod penetrates through the guide groove; the peripheral side surface of the bottom end of the connecting column is fixedly connected with a support arm; one end of the support arm is hinged with the pull rod.

Furthermore, a limiting ring is fixed at one end of the connecting column; a limiting block is fixed on the lower surface of the limiting ring; the limiting block is provided with a chamfer surface on the inner side.

Furthermore, a spring is sleeved on the peripheral side face of the pull rod and between the second clamping plate and the extension plate.

Further, a cylinder is fixed on the surface of the base; and one end of the piston rod of the air cylinder is fixedly connected with the connecting column.

Further, a limiting plate is fixed on the peripheral side face of the circular plate.

The utility model discloses following beneficial effect has:

the utility model pulls the connecting column and the support arm through the cylinder, and the connecting column drives the connecting rod to lead the first clamping plate to carry out spacing clamping on the axle hole end of the steering knuckle hub; the support arm drives the pull rod to enable the second clamping plate to carry out limiting clamping on the steering knuckle flange plate, the limiting plate positions the steering column connecting arm, so that the automobile steering knuckle is quickly clamped, the steering knuckle processing production efficiency is improved, meanwhile, the limiting plate positions the steering knuckle connecting arm, the first clamping plate and the second clamping plate are enabled to accurately clamp the automobile steering knuckle, the processing precision of the steering knuckle is increased, and the quality of the steering knuckle is guaranteed.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a clamping device for machining an automobile steering knuckle of the present invention;

FIG. 2 is a schematic view showing a coupling structure of the base, the circular plate and the extension plate;

FIG. 3 is a schematic view of a connection structure of a connection column, a pull rod and a limit ring;

in the drawings, the components represented by the respective reference numerals are listed below:

the device comprises a base 1, a support column 2, a circular plate 3, a guide cylinder 4, a first clamping plate 5, a connecting column 6, a connecting rod 7, an extension plate 8, a guide groove 9, a second clamping plate 10, a pull rod 11, a support arm 12, a limiting ring 13, a limiting block 14, a spring 15, an air cylinder 16 and a limiting plate 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention relates to a clamping device for machining a steering knuckle of an automobile, which comprises a base 1,

a support column 2 is fixed on the surface of the base 1; a circular plate 3 is fixed at one end of the support column 2; the circle center position on the surface of the circular plate 3 is communicated with a guide cylinder 4; the inner side of one end of the guide cylinder 4 is hinged with three first clamping plates 5; the bottom side of the first clamping plate 5 is provided with an anti-skid groove; a connecting column 6 is in sliding fit with the interior of the guide cylinder 4; three connecting rods 7 are hinged to the peripheral side surface of one end of the connecting column 6; one end of the connecting rod 7 is hinged with the first clamping plate 5; the peripheral side surface arrays of the circular plate 3 are provided with extension plates 8; the surface of the extension plate 8 is provided with a guide groove 9; one end of the extension plate 8 is hinged with a second clamping plate 10; the bottom side of the second clamping plate 10 is provided with an anti-skid groove; the lower surface of the second clamping plate 10 is hinged with a pull rod 11; the pull rod 11 penetrates through the guide groove 9; the circumferential side surface of the bottom end of the connecting column 6 is fixedly connected with a support arm 12; one end of the support arm 12 is hinged with the pull rod 11.

Wherein, one end of the connecting column 6 is fixed with a limiting ring 13; a limiting block 14 is fixed on the lower surface of the limiting ring 13; the inner side of the limiting block 14 is a chamfer; when the connecting column 6 drives the connecting rod 7 to press down, the limiting block 14 limits the connecting rod 7, so that the first clamping plate 5 is perpendicular to the end face of the guide cylinder 4, and the end face of the central hole of the steering knuckle is limited and clamped.

Wherein, the spring 15 is sleeved on the peripheral side surface of the pull rod 11 and between the second clamping plate 10 and the extension plate 8.

Wherein, a cylinder 16 is fixed on the surface of the base 1; one end of the piston rod of the air cylinder 16 is fixedly connected with the connecting column 6.

Wherein, a limiting plate 17 is fixed on the peripheral side surface of the circular plate 3; the limiting plate 17 is of a U-shaped structure; the distance between the inclined plates on the two sides of the limiting plate 17 and the position between the two adjacent limiting plates 17 are set according to the position of the knuckle connecting arm.

One specific application of this embodiment is: during clamping, a steering knuckle hub shaft hole is sleeved on the peripheral side face of the guide cylinder 4, the round plate 3 supports the steering knuckle, the limiting plate positions a steering knuckle connecting arm, the piston rod of the air cylinder 16 pulls the connecting column 6 and the supporting arm 12 to move, the connecting column 6 drives the connecting rod 7 hinged with the first clamping plate 5 to move downwards, the limiting block 14 limits the connecting rod 7, the end face of the first clamping plate 5 and the end face of the guide cylinder 4 are perpendicular to limit and clamp the hub shaft hole end of the steering knuckle, and the supporting arm 7 drives the pull rod 11 to enable the second clamping plate 10 and the extension plate 8 to rotate when moving downwards, so that the flange of the steering knuckle is limited and clamped.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a clamping device is used in processing of auto steering knuckle, includes base (1), its characterized in that:

a support column (2) is fixed on the surface of the base (1); a circular plate (3) is fixed at one end of the supporting column (2); the circle center position on the surface of the circular plate (3) is communicated with a guide cylinder (4); a plurality of first clamping plates (5) are hinged to the inner side of one end of the guide cylinder (4); a connecting column (6) is in sliding fit with the interior of the guide cylinder (4); a plurality of connecting rods (7) are hinged to the peripheral side surface of one end of the connecting column (6); one end of the connecting rod (7) is hinged with the first clamping plate (5); the peripheral side surface arrays of the circular plate (3) are provided with extension plates (8); the surface of the extension plate (8) is provided with a guide groove (9); one end of the extension plate (8) is hinged with a second clamping plate (10); the lower surface of the second clamping plate (10) is hinged with a pull rod (11); the pull rod (11) penetrates through the guide groove (9); the peripheral side surface of the bottom end of the connecting column (6) is fixedly connected with a support arm (12); one end of the support arm (12) is hinged with the pull rod (11).

2. The clamping device for machining the automobile steering knuckle is characterized in that a limiting ring (13) is fixed at one end of the connecting column (6); a limiting block (14) is fixed on the lower surface of the limiting ring (13); the inner side of the limiting block (14) is a chamfer plane.

3. The clamping device for machining the automobile steering knuckle is characterized in that a spring (15) is sleeved on the peripheral side face of the pull rod (11) and between the second clamping plate (10) and the extension plate (8).

4. The clamping device for machining the automobile steering knuckle is characterized in that a cylinder (16) is fixed on the surface of the base (1); one end of a piston rod of the air cylinder (16) is fixedly connected with the connecting column (6).

5. The clamping device for machining the steering knuckle of an automobile according to claim 1, wherein a stopper plate (17) is fixed to the peripheral side surface of the circular plate (3).