CN217453112U

CN217453112U - Automobile steering knuckle arm seat machining tool

Info

Publication number: CN217453112U
Application number: CN202221514054.6U
Authority: CN
Inventors: 凌泽金; 何勇; 刘杰
Original assignee: Chongqing Qingling Motors Chassis Parts Co ltd; Qingling Motors Group Co Ltd
Current assignee: Chongqing Qingling Motors Chassis Parts Co ltd; Qingling Motors Group Co Ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-09-20
Anticipated expiration: 2032-06-13

Abstract

The utility model provides a car knuckle arm seat processing frock, include: the bearing seat comprises a bottom plate and side plates, and the side plates are respectively arranged on three side edges of the bottom plate; the positioning mechanism is arranged on the bottom plate and is used for axial positioning and angle alignment of a machined workpiece; the circumferential limiting assemblies are arranged on the side plates on two opposite sides of the bottom plate and are used for abutting against the circumferential surface of the processing workpiece so as to limit the circumferential direction of the processing workpiece; and the pressing assembly is arranged at one end of the positioning mechanism, which is far away from the bottom plate, and is used for pressing and limiting the processing workpiece between the pressing assembly and the bottom plate. When the positioning mechanism is used, the positioning mechanism carries out circumferential positioning and angle alignment on a machined workpiece, the pressing assembly presses and fixes the machined workpiece between the bottom plate and the pressing assembly, and the end face is limited. The circumferential limiting assembly is used for circumferentially limiting the machined workpiece, so that the machined workpiece is prevented from rotating on the positioning mechanism. The scheme can stably clamp the machined workpiece.

Description

Automobile steering knuckle arm seat machining tool

Technical Field

The utility model belongs to the auto parts processing field especially relates to a knuckle arm seat processing frock.

Background

The outer circle and the end face of an existing automobile steering knuckle arm seat are machined, a four-corner chuck is often used for clamping workpieces, however, the automobile steering knuckle arm seat belongs to a special-shaped part (the outer surface is indicated, and parts are irregular), clamping operation is time-consuming and labor-consuming in the clamping process of the four-corner chuck, and the situation that clamping is unstable is easy to occur. When a workpiece is machined, a main shaft of the machine tool drives the four-corner chuck and the machined workpiece to rotate at a high speed, a large centrifugal force can be generated, the four-corner chuck is unstable in clamping, potential safety hazards easily occur, and the quality of the machined workpiece is influenced.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing prior art, an object of the utility model is to provide a steering knuckle armlet processing frock for the unstable scheduling problem of centre gripping when carrying out the steering knuckle centre gripping through anchor clamps such as four corners chucks among the solution prior art.

In order to realize above-mentioned purpose and other relevant purposes, the utility model provides an automobile steering knuckle arm seat processing frock, include:

the bearing seat comprises a bottom plate and side plates, and the side plates are arranged on three side edges of the bottom plate respectively;

the positioning mechanism is arranged on the bottom plate and is used for axial positioning and angle alignment of a machined workpiece;

the circumferential limiting assemblies are arranged on the side plates on two opposite sides of the bottom plate and are used for abutting against the circumferential surface of the processing workpiece so as to limit the circumferential direction of the processing workpiece;

and the pressing assembly is arranged at one end of the positioning mechanism, which is far away from the bottom plate, and is used for pressing and limiting the processing workpiece between the pressing assembly and the bottom plate.

Further, the knuckle arm seat processing frock still includes:

the flange plate is used for fixedly mounting the bearing seat and the main shaft of the machine tool;

and the balance block is fixed on the flange plate and used for balancing the weight of the machined workpiece.

Further, the positioning mechanism includes:

the angle plate is arranged on the bottom plate and used for aligning the angle of the machined workpiece; the thickness of the angle plate is linearly reduced from one side of the angle plate close to the flange plate to one side of the angle plate far away from the flange plate, so that the surface of the angle plate close to one side of the pressing assembly forms an inclined plane;

the positioning mandrel is arranged in the middle of the angle plate and is used for extending into the conical hole of the workpiece to be machined to perform axial positioning on the workpiece to be machined;

the compressing assembly is installed at one end, far away from the angle plate, of the positioning mandrel.

Furthermore, the longitudinal section of the positioning mandrel is in an I shape.

Further, the circumference spacing subassembly includes:

the guide sleeve penetrates through the side plate and is fixedly installed with the side plate;

the ejector rod is arranged in the guide sleeve, is in threaded fit with the guide sleeve and can move axially along the guide sleeve along with the rotation of the ejector rod;

and the jacking block is arranged at the end part of the ejector rod and used for compressing the processing workpiece.

Further, the circumferential limiting assembly further comprises a hand wheel, and the hand wheel is installed at one end, far away from the jacking block, of the ejector rod.

Furthermore, a connecting part used for being connected with a mandril is convexly arranged on the jacking block, and the mandril is rotatably connected with the connecting part, so that the mandril can circumferentially rotate relative to the connecting part; one end of the guide sleeve, which is close to the jacking block, is provided with a guide groove used for being matched with the connecting part, and the connecting part can be installed in the guide groove in a sliding manner along the axis of the connecting part.

Further, match on the connecting portion the guide way is provided with and is used for avoiding tight piece circumferential direction's navigation key in the top the navigation key with fixed connection between the connecting portion.

Further, the pressing assembly comprises a pressing plate, and the pressing plate is fixedly installed on the positioning core shaft through a bolt and a nut.

As above, the utility model discloses a knuckle arm seat processing frock has following beneficial effect:

when the positioning mechanism is used, the positioning mechanism carries out circumferential positioning and angle alignment on a machined workpiece, the pressing assembly presses and fixes the machined workpiece between the bottom plate and the pressing assembly, and the end face is limited. The circumferential limiting assembly is used for circumferentially limiting the machined workpiece, so that the machined workpiece is prevented from rotating on the positioning mechanism.

The whole clamping process is convenient to operate, and compared with the prior art, the clamping stability of the machined workpiece can be effectively improved, and the machining quality of the arm seat of the automobile steering knuckle is further ensured.

Drawings

Fig. 1 is the embodiment of the utility model provides an automobile steering knuckle arm seat processing frock.

Fig. 2 is a schematic cross-sectional view at a-a in fig. 1.

Fig. 3 is a schematic cross-sectional view at B-B in fig. 1.

Fig. 4 is an enlarged view at C in fig. 3.

Fig. 5 is a schematic structural diagram of a workpiece to be processed according to an embodiment of the present invention.

Detailed Description

Reference numerals in the drawings of the specification include: the device comprises a flange plate 1, a first balance weight 2, a second balance weight 3, a bearing seat 4, a bottom plate 401, a first side plate 402, a second side plate 403, a third side plate 404, a processing workpiece 5, a processing part 501, a tapered hole 502, a stepped hole 503, an angle plate 6, a positioning mandrel 7, a pressing plate 8, a bolt 9, a nut 10, a hand wheel 11, an ejector rod 12, a guide sleeve 13, a positioning key 14, a jacking block 15 and a connecting part 1501.

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Examples

As shown in fig. 1 to 5, the present embodiment provides an automobile steering knuckle arm seat processing tool, including:

the carrier 4 comprises a bottom plate 401 and side plates disposed at lateral positions of the bottom plate 401, the side plates are a first side plate 402, a second side plate 403 and a third side plate 404, and the first side plate 402 and the second side plate 403 are mounted at two opposite sides of the bottom plate 401.

And the positioning mechanism is arranged on the bottom plate 401, is positioned between the side plates and is used for positioning the axial direction of the workpiece 5 to be processed and aligning the angle. The positioning mechanism comprises an angle plate 6 and a positioning mandrel 7, wherein the angle plate 6 is installed on the bottom plate 401 and used for aligning the angle of the processed workpiece 5. From the side of the angle plate 6 close to the flange plate 1 to the side far away from the flange plate 1, the thickness of the angle plate 6 is linearly reduced, so that the surface of the angle plate 6, which is used for being in contact with the machined workpiece 5, forms an inclined plane, and further the machine tool spindle connected to the flange plate 1 and the machined workpiece 5 are coaxially clamped. The angle plate 6 is of a square block structure, and the positioning mandrel 7 is fixed in the middle of the angle plate 6, so that an included angle a is formed between the axis of the positioning mandrel 7 and the axis of the bottom plate 401, where a is 6 ° in this embodiment. The setting of location dabber 7 and angle board 6 to guarantee the axiality between the axis of processing work piece 5 and the lathe main shaft, simultaneously, location dabber 7 carries out axial positioning to processing work piece 5.

And the circumferential limiting assemblies are respectively arranged on the first side plate 402 and the second side plate 403 and used for pressing the processing workpiece 5 to avoid circumferential rotation of the processing workpiece 5. The circumferential limiting component comprises a hand wheel 11, a guide sleeve 13, a top rod 12 and a jacking block 15. The first side plate 402 and the second side plate 403 are provided with mounting holes for the guide sleeves 13, and the guide sleeves 13 are fixedly mounted on the corresponding side plates after passing through the mounting holes. The ejector rod 12 is arranged in the guide sleeve 13 and is in threaded fit with the guide sleeve 13. One end of the top rod 12 is connected with the hand wheel 11, the other end of the top rod 12 is connected with the tightening block 15, and the tightening block 15 is arranged between the first side plate 402 and the second side plate 403. The jacking block 15 is convexly provided with a connecting part 1501 for connecting the jacking rod 12, and the jacking rod 12 is rotatably connected with the connecting part 1501, so that the jacking rod 12 can rotate circumferentially relative to the jacking block 15. The inner wall of one end of the guide sleeve 13 close to the puller block 15 is provided with a guide groove, a positioning key 14 is fixed on the connecting portion 1501 corresponding to the guide groove, and the puller block 15 is slidably mounted in the guide sleeve 13 through the positioning key 14 so as to prevent the puller block 15 from rotating relative to the guide sleeve 13.

And the pressing assembly is arranged at the first end, far away from the bottom plate 401, of the positioning mechanism and is used for pressing the workpiece. The pressing assembly comprises a pressing plate 8, and the pressing plate 8 is fixedly arranged on the positioning core shaft 7 through a bolt 9 and a nut 10.

And the flange plate 1 is arranged on the third side plate 404 and is fixedly connected with a main shaft of the machine tool. The flange plate 1 is provided with the balance blocks which are the first balance block 2 and the second balance block 3 respectively, the first balance block 2 and the second balance block 3 are installed in an overlapping mode to play a role in weight parallelism, after the machined workpiece 5 is clamped, the center of mass is located on the axis of a machine tool spindle, and the machined workpiece 5 is prevented from deflecting relative to the machine tool after being clamped.

When the positioning device is used, the positioning mandrel 7 enters the tapered hole 502 on the machined workpiece 5 to realize axial positioning and angle alignment of the machined workpiece 5, and then the pressing plate 8 is installed to enable the pressing plate 8 to enter the stepped hole 503 of the machined workpiece 5 to press the workpiece.

The hand wheel 11 is rotated, so that the pressing block 15 presses the circumferential surface of the workpiece 5 to prevent the workpiece from rotating relative to the positioning core shaft 7.

Thereafter, the end face of the machining portion 501 of the machining workpiece 5 and the like can be machined.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. It will be apparent to those skilled in the art that modifications and variations can be made to the above-described embodiments without departing from the spirit and scope of the invention, and it is intended that all equivalent modifications and variations be covered by the appended claims without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an automobile steering knuckle arm seat processing frock which characterized in that includes:

the bearing seat comprises a bottom plate and side plates, and the side plates are respectively arranged on three side edges of the bottom plate;

2. The automobile steering knuckle arm seat machining tool according to claim 1, further comprising:

3. The tooling of claim 2, wherein the positioning mechanism comprises:

the positioning mandrel is arranged in the middle of the angle plate and is used for extending into a conical hole of a machined workpiece to axially position the machined workpiece;

4. The tooling for machining the arm seat of the automobile steering knuckle according to claim 3, wherein the longitudinal section of the positioning mandrel is I-shaped.

5. The automobile steering knuckle arm seat machining tool according to any one of claims 1 to 4, wherein the circumferential limiting assembly comprises:

6. The automobile steering knuckle arm seat machining tool according to claim 5, wherein the circumferential limiting assembly further comprises a hand wheel, and the hand wheel is mounted at one end, far away from the jacking block, of the ejector rod.

7. The automobile steering knuckle arm seat processing tool according to claim 5, wherein a connecting part for connecting with a push rod is convexly arranged on the jacking block, and the push rod is rotatably connected with the connecting part so that the push rod can rotate circumferentially relative to the connecting part; one end of the guide sleeve, which is close to the jacking block, is provided with a guide groove used for being matched with the connecting part, and the connecting part can be installed in the guide groove in a sliding manner along the axis of the connecting part.

8. The automobile steering knuckle arm seat machining tool according to claim 7, wherein a positioning key used for avoiding circumferential rotation of the jacking block is arranged on the connecting portion in a manner of being matched with the guide groove, and the positioning key is fixedly connected with the connecting portion.

9. The tooling of claim 3, wherein the compression assembly comprises a compression plate, and the compression plate is fixedly mounted on the positioning mandrel by a bolt and a nut.