CN212858552U

CN212858552U - Horizontal machining clamp for multiple main shafts of steering knuckle

Info

Publication number: CN212858552U
Application number: CN202021043523.1U
Authority: CN
Inventors: 黄文俊; 吴景霈
Original assignee: Dongfeng Honda Auto Parts Co Ltd
Current assignee: Dongfeng Honda Auto Parts Co Ltd
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-04-02
Anticipated expiration: 2030-06-09

Abstract

The utility model relates to a horizontal machining fixture of many main shafts of knuckle, including main positioning mechanism, auxiliary positioning mechanism, first supporting seat and second supporting seat, main positioning mechanism includes the base, set up first holder and the second holder that is used for one of them arm of fixed knuckle on the base, set up the first locating piece of one side of first holder, the second locating piece that sets up with first holder relatively, the rotation holder that is used for another arm of fixed knuckle, and fix the third locating piece on one side of rotating the holder; the auxiliary positioning mechanism, the first supporting seat and the second supporting seat are fixedly arranged on one side of the main positioning mechanism, the second supporting seat is fixed between the first supporting seat and the auxiliary positioning mechanism, and the auxiliary positioning mechanism is provided with a third clamping piece. The utility model discloses an overall positioning accuracy is high, presss from both sides tightly reliably, and easy operation, and degree of automation is high, is applicable to the machine tool that crouches of many main shafts, can improve the machining efficiency of knuckle.

Description

Horizontal machining clamp for multiple main shafts of steering knuckle

Technical Field

The utility model relates to an anchor clamps field particularly, relates to a horizontal adds clamping apparatus of knuckle many main shafts.

Background

The steering knuckle is an important safety part of an automobile, when the automobile runs, the automobile needs to be steered frequently, the steering knuckle needs to bear complex alternating stress in the process, and the steering knuckle plays an important role in supporting and operating wheels and safety of the whole automobile, so that the accuracy of the steering knuckle in the machining process has strict requirements.

Boring bottom hole, boring the support hole are the knuckle and are the indispensable process in production, and the processing technology of bottom hole and support hole directly influences the precision of aperture and position degree, and then is influencing the life of knuckle and the flexibility that turns to, but generally only adopts a main shaft to carry out cutting process among the traditional processing technology, and a work piece is processed to a main shaft correspondence, can't carry out simultaneous processing to a plurality of work pieces, and work efficiency is lower. A plurality of main shafts are used for processing a plurality of steering knuckle workpieces at the same time, a proper fixture is needed for fixing the steering knuckle, so that the precision and the efficiency are improved, and the existing fixture cannot meet the requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a horizontal adds clamping apparatus of many main shafts of knuckle can fix the knuckle well, and convenient operation, can improve the precision and the efficiency of processing.

A horizontal machining clamp for multiple main shafts of a steering knuckle comprises a main positioning mechanism, an auxiliary positioning mechanism, a first supporting seat and a second supporting seat, wherein the main positioning mechanism comprises a base, a first clamping piece and a second clamping piece which are arranged on the base and used for fixing one arm of the steering knuckle, a first positioning piece arranged on one side of the first clamping piece, a second positioning piece arranged opposite to the first clamping piece, a rotating clamping piece used for fixing the other arm of the steering knuckle and a third positioning piece fixed on one side of the rotating clamping piece; the auxiliary positioning mechanism, the first supporting seat and the second supporting seat are all fixedly arranged on one side of the main positioning mechanism, the second supporting seat is fixed between the first supporting seat and the auxiliary positioning mechanism, and a third clamping piece is arranged on the auxiliary positioning mechanism.

Preferably, the first clamping piece, the second clamping piece and the third clamping piece all comprise a driving unit and a pressing block, one end of the pressing block is rotatably connected with the upper end of the driving unit, and the other end of the pressing block can be driven by the driving unit to tightly press the steering knuckle from top to bottom.

Preferably, the driving unit is a cylinder or a hydraulic cylinder.

Preferably, the rotating clamping piece comprises a rotating unit and a rotating arm, one end of the rotating arm is rotatably connected with the upper end of the rotating unit, and the other end of the rotating arm can horizontally rotate under the driving of the rotating unit.

Preferably, the rotating unit is a hydraulic cylinder.

Preferably, the first positioning piece, the second positioning piece and the third positioning piece are provided with positioning pins towards one surface of the steering knuckle, and the positioning pins abut against the steering knuckle to position the steering knuckle.

Preferably, the support device further comprises a limiting block, wherein the limiting block is fixedly arranged between the main positioning mechanism and the first support seat.

The utility model discloses a horizontal adds clamping apparatus of many main shafts of knuckle carries out the clamping through an arm of first holder and second holder to the knuckle, carries out the clamping through rotating another arm of holder to the knuckle, utilizes the ear shape structure of the fixed knuckle of third holder, and whole positioning accuracy is high, press from both sides tightly reliably, can effectively improve the machining precision. Additionally, the utility model is simple in operation, degree of automation is high, is applicable to the machine tool that crouches of many main shafts, can effectively improve the machining efficiency of knuckle.

Drawings

Fig. 1 is a top view of the horizontal machining fixture for multiple main shafts of a steering knuckle of the present invention.

Fig. 2 is the structure schematic diagram of the horizontal machining fixture for multiple main shafts of the knuckle of the present invention.

Detailed Description

The horizontal machining fixture for multiple main shafts of the knuckle according to the present invention will be described in detail with reference to the following embodiments and accompanying drawings.

In the description of the present invention, it is to be understood that the terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 and fig. 2, in a preferred embodiment, the horizontal machining fixture for multiple main shafts of a steering knuckle of the present invention mainly includes a main positioning mechanism 1, an auxiliary positioning mechanism 2, a first supporting seat 3 and a second supporting seat 4. Wherein, auxiliary positioning mechanism 2, first supporting seat 3 and second supporting seat 4 all fix the one side that sets up at main positioning mechanism 1, and second supporting seat 4 is fixed to be set up between first supporting seat 3 and auxiliary positioning mechanism 2.

The main positioning mechanism 1 mainly includes a base 11, a first clamping member 12, a second clamping member 13, a first positioning member 15, a second positioning member 14, a third positioning member 17, and a rotating clamping member 16. The first clamping piece 12 and the second clamping piece 13 are fixedly arranged on the base 11, the first clamping piece 12 comprises a first driving unit 121 and a first pressing block 122, and one end of the first pressing block 122 is rotatably connected with the upper end of the first driving unit 121; the second clamping member 13 includes a second driving unit 131 and a second pressing block 132, and one end of the second pressing block 132 is rotatably connected to an upper end of the second driving unit 131. The first presser 122 and the second presser 132 may press the first arm portion 71 of the knuckle 7 from top to bottom under the drive of the first drive unit 121 and the second drive unit 131, respectively.

The rotating clamp 16 includes a rotating unit 161 and a rotating arm 162. In this embodiment, the rotating unit 161 is a hydraulic unit, one end of the rotating arm 162 is connected to an output shaft of the motor, and the other end of the rotating arm 162 can be driven by the rotating unit 161 to horizontally rotate, so as to abut against the second arm 72 of the knuckle 7 to form a fixed state.

The first retainer 15 is fixed to one side of the first clamp 12, and a first positioning pin 151 is provided on a surface facing the axial center 73 of the knuckle 7, and the first positioning pin 151 abuts against the outer side of the axial center of the knuckle 7. The second positioning member 14 is disposed opposite to the first clamping member 12, and a second positioning pin 141 is disposed on a surface facing the axial center of the knuckle 7, and the second positioning pin 141 abuts against the outer side of the axial center of the knuckle 7. The third positioning member 17 is provided on the side of the rotating holder 16, and the third positioning member 17 is provided with a third positioning pin 171 toward the second arm portion 72 of the knuckle 7, and the third positioning pin 171 abuts against the second arm portion 72 of the knuckle 7. The first positioning pin 151, the second positioning pin 141, and the third positioning pin 171 cooperate to position the knuckle 7.

The auxiliary positioning mechanism 2 is provided with a third clamping member 21, and the third clamping member 21 mainly includes a third driving unit 211, a third pressing block 212, and a supporting table 213 extending from the third driving unit 211. One end of the third pressing block 212 is connected to the upper end of the third driving unit 211, and the other end of the third pressing block 212 can press the ear structure 73 of the knuckle 7 from top to bottom under the driving of the third driving unit 211, so that the ear structure 73 is clamped between the supporting platform 213 and the third pressing block 212 to be fixed. Preferably, the support base 213 is provided with a support block matching the contour of the lower end of the knuckle 7.

The first supporting seat 3 and the second supporting seat 4 are used for supporting the steering knuckle 7, and the upper end faces of the first supporting seat 3 and the second supporting seat 4 are formed to be matched with the profile of the lower end face of the steering knuckle 7.

The stopper 18 is provided between the main positioning mechanism 1 and the first support base 3, and the stopper 18 abuts against the end of the second arm portion 72 of the knuckle 7 to position the knuckle 7.

In this embodiment, the first driving unit 121, the second driving unit 131, and the third driving unit 211 may employ a pneumatic cylinder or a hydraulic cylinder.

While the invention has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the spirit and scope of the appended claims.

Claims

1. A horizontal machining clamp for multiple main shafts of a steering knuckle is characterized by comprising a main positioning mechanism, an auxiliary positioning mechanism, a first supporting seat and a second supporting seat, wherein the main positioning mechanism comprises a base, a first clamping piece and a second clamping piece which are arranged on the base and used for fixing one arm of the steering knuckle, a first positioning piece arranged on one side of the first clamping piece, a second positioning piece arranged opposite to the first clamping piece, a rotating clamping piece used for fixing the other arm of the steering knuckle and a third positioning piece fixed on one side of the rotating clamping piece; the auxiliary positioning mechanism, the first supporting seat and the second supporting seat are all fixedly arranged on one side of the main positioning mechanism, the second supporting seat is fixed between the first supporting seat and the auxiliary positioning mechanism, and a third clamping piece is arranged on the auxiliary positioning mechanism.

2. The horizontal machining clamp for the multiple main shafts of the steering knuckle as claimed in claim 1, wherein the first clamping member, the second clamping member and the third clamping member each comprise a driving unit and a pressing block, one end of the pressing block is rotatably connected with the upper end of the driving unit, and the other end of the pressing block can be driven by the driving unit to press the steering knuckle from top to bottom.

3. The horizontal machining fixture for the steering knuckle multi-spindle according to claim 2, wherein the driving unit is an air cylinder or a hydraulic cylinder.

4. The horizontal machining fixture for the steering knuckle and the multiple main shafts as claimed in claim 1, wherein the rotating clamping member comprises a rotating unit and a rotating arm, one end of the rotating arm is rotatably connected with the upper end of the rotating unit, and the other end of the rotating arm can be driven by the rotating unit to horizontally rotate.

5. The knuckle multi-spindle horizontal machining fixture according to claim 4, wherein the rotating unit is a hydraulic cylinder.

6. The horizontal machining clamp for the multiple main shafts of the steering knuckle according to claim 1, wherein positioning pins are arranged on the surfaces, facing the steering knuckle, of the first positioning piece, the second positioning piece and the third positioning piece, and the positioning pins abut against the steering knuckle so as to position the steering knuckle.

7. The horizontal machining clamp for the multiple main shafts of the steering knuckle according to claim 1, further comprising a limiting block, wherein the limiting block is fixedly arranged between the main positioning mechanism and the first supporting seat.