CN219900292U - Profiling clamping device for machining steering ball head shell - Google Patents

Abstract

The utility model discloses a profiling clamping device for a machining steering ball head shell, which comprises a hydraulic three-jaw chuck and three groups of chuck female jaws, wherein a first sub-jaw, a second sub-jaw and a third sub-jaw are arranged on the three groups of chuck female jaws through a three-point bolting structure and a right-angle lateral bolting structure, and profiling inner grooves matched with the profile of the steering ball head shell are formed in the outer walls of one sides of the first sub-jaw, the second sub-jaw and the third sub-jaw, which are close to the axis of the hydraulic three-jaw chuck. According to the utility model, the contact area of the sub-claw and the outer contour of the horizontal ball head shell is increased, so that the deformation of the shell can be effectively reduced under the same pressure by the chuck, and the ovality deformation of the shell can be greatly reduced due to the fact that the clamping force of the chuck is dispersed by the handle of the shell, and the requirement of product processing precision is effectively met.

Description

Profiling clamping device for machining steering ball head shell

Technical Field

The utility model relates to the technical field of steering ball head shells, in particular to a profiling clamping device for machining a steering ball head shell.

Background

The steering ball head shell is an important part in an automobile steering mechanism, the steering stability of an automobile, the running safety and the service life of a tire are directly influenced, the pull rod ball head is a pull rod with a ball head shell, the ball head of a steering main shaft is arranged in the ball head shell, the ball head is connected with the edge of a shaft hole of the ball head shell through a ball head seat at the front end of the ball head, a needle roller between the ball head seat and the steering main shaft is inlaid in a groove of an inner hole surface of the ball head seat, in the numerical control machining process of the steering ball head shell, in order to facilitate quick clamping of the transverse ball head shell when an inner hole is machined on a numerical control car, a hydraulic chuck three-jaw structure is adopted at present to realize quick clamping of a workpiece, and the three-jaw centering can ensure that the inner hole and the outer wall are coaxial when the ball pin shell is machined, but because the transverse ball head shell is a special body, the three jaws are different from a common chuck three-jaw, and cannot be clamped in a full-surrounding mode. In order to ensure that the parts are not loosened, enough clamping force is needed, and as the clamping area of the three claws is too small, the parts are clamped and deformed, and certain ovality deformation exists after the parts are loosened, so that the product quality is affected.

Disclosure of Invention

The utility model aims to provide a profiling clamping device for a steering ball head shell, which is characterized in that a sub-claw is additionally arranged on the basis of a three-claw chuck and is profiled according to the structure of the steering ball head shell, so that the sub-claw fully surrounds a transverse ball head shell, and the problems in the prior art are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a processing turns to bulb casing profile modeling clamping device, includes the female claw of hydraulic three-jaw chuck and three group's chuck, three group all install sub-claw first, sub-claw second and sub-claw third through three point bolting structure and right angle side direction bolting structure on the female claw of chuck, be provided with on the outer wall of one side that sub-claw first, sub-claw second and sub-claw third are close to the axle center of hydraulic three-jaw chuck with turn to bulb casing profile assorted profile modeling inner groovy.

Preferably, the thickness of the chuck female jaw is 3.6cm to 5cm, and the lateral groove width is 1.3cm to 2cm.

Preferably, the first sub-claw, the second sub-claw and the third sub-claw are made of 304 stainless steel members.

Preferably, the three-point bolting structure comprises three groups of first internal threaded holes arranged on the upper surface of the female chuck jaw, and a protruding plate arranged on the outer wall of one side of the sub-jaw I, the sub-jaw II and the sub-jaw III, which is far away from the axis of the hydraulic three-jaw chuck, wherein a group of first positioning holes and two groups of second positioning holes are formed in the protruding plate, and the positions of the first positioning holes and the first internal threaded holes correspond to each other.

Preferably, the right-angle lateral bolting structure comprises two groups of lateral internal threaded holes arranged on the outer walls of two sides of the female chuck jaw and right-angle pieces integrally formed on the outer walls of two sides of the protruding plate, and the right-angle pieces and the lateral internal threaded holes are mutually bolted.

Preferably, the inner diameter of the side internal threaded hole is smaller than the diameter of the first internal threaded hole.

Preferably, the thickness of the second sub-claw is 1cm to 1.5cm.

Compared with the prior art, the utility model has the beneficial effects that: the profiling clamping device for the machining steering ball head shell comprises a first sub-claw, a second sub-claw and a third sub-claw, wherein the first sub-claw, the second sub-claw and the third sub-claw are provided with structures which are matched with each other, the profiling inner grooves are machined according to the outline of the steering ball head shell to be clamped, the profiling inner grooves are installed on the corresponding chuck female claws through a three-point bolting structure and a right-angle lateral bolting structure, so that the structural strength of the assembled sub-claws and the assembled female claws is guaranteed, the sub-claws can fully surround the transverse ball head shell, the contact area of the sub-claws and the outline of the transverse ball head shell is increased, the deformation of the shell can be effectively reduced under the same pressure, and the ovality deformation of the shell is greatly reduced due to the fact that the clamping force of the chuck is dispersed by the handle of the shell, and the requirement of product machining precision is effectively met.

Drawings

FIG. 1 is a schematic top view of the present utility model;

FIG. 2 is a schematic top view of the hydraulic three-jaw chuck of the present utility model;

FIG. 3 is a schematic diagram of the front view of the hydraulic three-jaw chuck of the present utility model;

FIG. 4 is a schematic top view of a second sub-pawl according to the present utility model;

FIG. 5 is a schematic perspective view of a chuck female jaw according to the present utility model;

in the figure: 1. a hydraulic three-jaw chuck; 2. chuck female claws; 201. an internal threaded hole I; 202. a side internal threaded hole; 3. a first sub claw; 4. a second sub claw; 401. a protruding plate; 402. positioning holes I; 403. positioning holes II; 404. a right angle member; 5. a third sub claw; 6. an inner groove.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, an embodiment of the present utility model is provided: a profiling clamping device for a machining steering ball head shell comprises a hydraulic three-jaw chuck 1 and three groups of chuck female jaws 2, wherein the thickness of the chuck female jaws 2 is 3.6cm to 5cm, and the width of a side groove is 1.3cm to 2cm;

the three groups of chuck female claws 2 are provided with a first sub claw 3, a second sub claw 4 and a third sub claw 5 through a three-point bolting structure and a right-angle lateral bolting structure, the first sub claw 3, the second sub claw 4 and the third sub claw 5 are made of members made of 304 stainless steel materials, the structure strength of the sub claws made of the stainless steel materials is high, the sub claws are not easy to damage, and meanwhile, the connection strength of the chuck female claws 2 and the sub claws is improved through the three-point bolting structure and the right-angle lateral bolting structure, and the structure strength and the stability of the assembled sub claws and the assembled female claws are ensured;

the outer walls of one side, close to the axis of the hydraulic three-jaw chuck 1, of the first sub-jaw 3, the second sub-jaw 4 and the third sub-jaw 5 are provided with profiling inner grooves 6 matched with the outline of the steering ball head shell, the first sub-jaw 3, the second sub-jaw 4 and the third sub-jaw 5 are processed into profiling inner grooves 6 matched with the outline of the steering ball head shell to be clamped according to the outline of the steering ball head shell, and a ball head shell workpiece is placed in the middle of three groups of sub-jaws;

the hydraulic three-jaw chuck 1 drives three groups of chuck female jaws 2 to radially displace towards the inner axis, namely, a first sub-jaw 3, a second sub-jaw 4 and a third sub-jaw 5 are folded, and as the three groups of sub-jaws are manufactured according to profiling, the sub-jaws can fully surround the transverse ball head shell, so that the contact area of the sub-jaws and the outer contour of the transverse ball head shell is increased, and the clamping deformation of the chuck to a workpiece is reduced;

the three-point bolting structure comprises three groups of internal threaded holes I201 arranged on the upper surface of the chuck female jaw 2, and a protruding plate 401 arranged on the outer wall of one side of the sub-jaw I3, the sub-jaw II 4 and the sub-jaw III 5 far away from the axis of the hydraulic three-jaw chuck 1, wherein a group of positioning holes I402 and two groups of positioning holes II 403 are arranged in the protruding plate 401, the positions of the positioning holes I402 and the internal threaded holes I201 correspond to each other, and the thickness of the sub-jaw II 4 is 1cm to 1.5cm;

when the female claw and the male claw are assembled, taking the male claw II 4 as an example, a worker sequentially aligns the internal threaded hole I201 on the upper surface of the chuck female claw 2 with the positioning hole I402 of the male claw II 4 and bolts the chuck female claw 2 by using three groups of bolts;

the right-angle lateral bolting structure comprises two groups of side internal threaded holes 202 arranged on the outer walls of the two sides of the chuck female claw 2 and right-angle pieces 404 integrally formed on the outer walls of the two sides of the protruding plate 401, wherein the inner diameter of the side internal threaded holes 202 is smaller than the aperture of the first internal threaded hole 201, and the right-angle pieces 404 and the side internal threaded holes 202 are mutually bolted;

the worker takes out four sets of bolts so that the sets of bolts pass through the outside of the right-angle member 404 and are screwed into the side female screw holes 202, thereby connecting the sub-claw two 4 and the chuck female claw 2 at the side position, and ensuring the connection strength of the sub-claw two 4 and the chuck female claw 2.

When the clamping device is used, firstly, the first sub-claw 3, the second sub-claw 4 and the third sub-claw 5 are processed into the profiling inner grooves 6 matched with the first sub-claw, the second sub-claw 4 and the third sub-claw 5 according to the outline of the steering ball head shell to be clamped, then a worker installs the first sub-claw 3, the second sub-claw 4 and the third sub-claw 5 on the corresponding chuck female claw 2 through a three-point bolting structure and a right-angle lateral bolting structure, after the device is assembled, the worker takes out a group of workpieces of the steering ball head shell, places the workpieces in the middle of the three groups of sub-claws, and drives the three groups of chuck female claws 2 to radially displace towards the inner axis by the hydraulic three-claw chuck 1, namely, the first sub-claw 3, the second sub-claw 4 and the third sub-claw 5 are folded, and as the three groups of sub-claws are manufactured according to profiling, the sub-claws can fully surround the transverse ball head shell, so that the contact area of the outer contours of the sub-claw and the transverse ball head shell is increased, the deformation of the shell can be effectively reduced under the same pressure, and the contact area can have larger friction force under the same pressure, the requirement of the chuck pressure is reduced, and the chuck pressure is also the requirement of dispersing the chuck is reduced, and the clamping force of the shell is reduced, and the clamping precision is required.

Claims (7)

1. A processing steering ball head shell profiling clamping device is characterized in that: including the female claw (2) of hydraulic pressure three-jaw chuck (1) and three group's chuck, three group all install son claw one (3), son claw two (4) and son claw three (5) through three-point bolting structure and right angle side direction bolting structure on the female claw (2) of chuck, be provided with on the outer wall of one side that son claw one (3), son claw two (4) and son claw three (5) are close to hydraulic pressure three-jaw chuck (1) axle center with turn to bulb casing appearance profile assorted profile modeling inner groove (6).

2. The machining steering ball housing profile clamp of claim 1, wherein: the thickness of the chuck female claw (2) is 3.6cm to 5cm, and the width of the side groove is 1.3cm to 2cm.

3. The machining steering ball housing profile clamp of claim 1, wherein: the first sub-claw (3), the second sub-claw (4) and the third sub-claw (5) are made of 304 stainless steel members.

4. The machining steering ball housing profile clamp of claim 1, wherein: the three-point bolting structure comprises three groups of first internal thread holes (201) arranged on the upper surface of the chuck female jaw (2), and a protruding plate (401) arranged on the outer wall of one side of the axis of the hydraulic three-jaw chuck (1) far away from the first sub-jaw (3), the second sub-jaw (4) and the third sub-jaw (5), wherein a group of first positioning holes (402) and two groups of second positioning holes (403) are formed in the protruding plate (401), and the positions of the first positioning holes (402) and the first internal thread holes (201) correspond to each other.

5. The profiling clamp device for a machining steering ball housing of claim 4, wherein: the right-angle lateral bolting structure comprises two groups of lateral internal threaded holes (202) arranged on the outer walls of two sides of the female chuck claw (2), and right-angle pieces (404) integrally formed on the outer walls of two sides of the protruding plate (401), wherein the right-angle pieces (404) and the lateral internal threaded holes (202) are mutually bolted.

6. The profiling clamp device for a machining steering ball housing of claim 5, wherein: the inner diameter of the side internal threaded hole (202) is smaller than the aperture of the first internal threaded hole (201).

7. The machining steering ball housing profile clamp of claim 1, wherein: the thickness of the secondary claw (4) is 1cm to 1.5cm.