CN210412602U

CN210412602U - Aluminum alloy wheel hub blank machine tooling anchor clamps

Info

Publication number: CN210412602U
Application number: CN201920949109.8U
Authority: CN
Inventors: 何伟祥
Original assignee: Jiangsu Amaz Speed Aluminum Co ltd; Jiangsu Ace Alloy Co ltd
Current assignee: Jiangsu Amaz Speed Aluminum Co ltd; Jiangsu Ace Alloy Co ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-04-28
Anticipated expiration: 2029-06-24

Abstract

The utility model provides an aluminum alloy wheel hub blank machine tooling anchor clamps, includes: disk body subassembly, first locating component, second locating component, wherein: the disk body subassembly includes: housing and panel, the equipartition is equipped with 6 first lugs on the circumference of panel, and the housing is equipped with a cavity, is equipped with a arm-tie in this cavity, is equipped with 3 spouts on the lateral wall of housing, and it has 3 second lugs to outwards extend on the circumference of arm-tie, is equipped with 3 otic placodes on the circumference of panel, is equipped with the pull rod at the rear end of arm-tie, and first positioning subassembly includes: first loading board, first base, connecting block, first locating block, second locating component include: the second bearing plate, the second base and the second positioning block further comprise a pressing rod, and a guide groove is formed in the pressing rod; be equipped with the gag lever post on the otic placode, the lower extreme of depression bar rotates with the second lug through the pivot and links to each other, the utility model discloses a multiple spot location, the cooperation of locating component in addition, the automatic alignment centre of a circle, in the use of depression bar in addition, convenient and fast, longe-lived.

Description

Aluminum alloy wheel hub blank machine tooling anchor clamps

Technical Field

The utility model relates to a machine tooling anchor clamps field, in particular to aluminum alloy wheel hub blank machine tooling anchor clamps.

Background

The hub is an important component of an automobile, the hub can be divided into a steel hub and an alloy hub according to materials, the alloy hub has the advantages of light weight, small inertia resistance, high manufacturing precision, good heat dissipation performance and the like, the driving performance of the automobile is improved, the rolling resistance of a tire is reduced, and the automobile hub in the current market mainly takes aluminum alloy as a main component.

After the aluminum alloy wheel hub is cast and formed, a wheel hub blank produced by casting needs to be machined, then the next procedure can be carried out, a clamp is used for clamping the blank to a machine tool when machining is carried out, and the current machining clamp generally adopts a universal clamp for clamping.

The inventor discovers that the clamps usually adopt the chuck clamping of three-point positioning in daily work, but the wheel hub blank exists the deformation, leads to the location difficulty, leans on the chuck clamping moreover, causes a certain amount of wearing and tearing to the jack catch easily, because the wheel hub blank exists certain deformability, leads to the degree of every jack catch wearing and tearing inconsistent, and later stage location clamping is more inaccurate.

Based on this, the inventor provides a machining anchor clamps that is used for clamping wheel hub blank specially in order to solve the inaccurate problem of location after the jack catch of current clamping anchor clamps wears out.

Disclosure of Invention

The utility model aims at providing an aluminum alloy wheel hub blank machine tooling anchor clamps just for solving above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: the method comprises the following steps:

the disc body assembly is fixed on the machine tool and used for clamping the wheel hub blank;

the first positioning assembly is arranged on the disc body assembly and used for positioning the hub blank;

the second positioning assembly is arranged on the disc body assembly and is used for positioning and pressing the hub blank;

wherein:

the tray body subassembly includes: the upper part of the housing is connected with the disk panel, 6 first lugs are uniformly distributed on the circumference of the disk panel, the first positioning component and the second positioning component are arranged above the first lugs at intervals, the housing is provided with a cavity, a pull plate is arranged in the cavity, 3 sliding grooves corresponding to the first lugs of the second positioning component are arranged on the side wall of the housing from top to bottom, 3 second lugs corresponding to the first lugs of the second positioning component are outwards extended on the circumference of the pull plate, 3 lug plates are arranged on the circumference of the disk panel and correspond to the 3 second lugs, a pull rod extending out of the lower end of the housing is arranged below the pull plate, and the pull rod is connected with a machine tool telescopic component, a guide rod which penetrates through the pulling plate and extends to the disc panel and is used for guiding the pulling plate is arranged in the housing.

The first positioning component comprises: locate first loading board on the first lug, first loading board top is equipped with first base, first base is in slide adjusting on the first loading board, be equipped with a connecting block on the first base be equipped with the first locating piece that corresponds with B groove in the connecting block top.

The second positioning assembly comprises: the second bearing plate is arranged on the first lug, a second base is arranged above the second bearing plate, a second positioning block is arranged above the second base and corresponds to the groove B, the disc panel pressing device further comprises a pressing rod, a guide groove is arranged on the pressing rod, the upper section of the guide groove is parallel to the axis of the disc panel, the lower section of the guide groove inclines towards the axis of the disc panel, and a pressing part extends from the upper end of the pressing rod to the center of the disc panel;

the upper top surface of the first positioning block and the upper top surface of the second positioning block are arranged in a coplanar manner;

the lug plate is provided with a limiting rod used for limiting the moving position of the guide groove, and the lower end of the pressure rod is rotatably connected with the second lug through a rotating shaft.

Furthermore, in order to prevent the guide groove from impacting the limiting rod in the using process, limiting piles for limiting the pulling plate are arranged in the 3 sliding grooves.

Furthermore, in order to achieve the effect that the upper top surface of the first positioning block and the upper top surface of the second positioning block can be coplanar, a stepped hole is formed in the first base, the connecting block is arranged in the stepped hole, a spring is arranged at the lower end of the connecting block, and a bottom plate connected with the first base is arranged at the lower end of the spring.

Advantageous effects

1. The utility model has the advantages that: through the multiple spot location, do not need chuck alignment, also avoided the wearing and tearing to the jack catch.

2. In the clamping process, the pressing rod has a leveling effect on the hub blank under the action of the machine tool.

3. The utility model discloses avoided anchor clamps in the past can only three-jaw atress, long service life.

Drawings

Fig. 1 is a schematic structural view of a wheel hub casting blank according to the present invention;

fig. 2 is a schematic structural view of the utility model;

fig. 3 is another angle structure diagram of the present invention;

fig. 4 is a schematic structural view of the pulling plate of the present invention;

fig. 5 is a schematic view of a second embodiment of a first positioning assembly of the present invention;

fig. 6 is a schematic view of clamping and unclamping the blank by the second positioning assembly of the present invention;

in the figure:

1-a disc body component, 11-a housing, 12-a pull rod, 13-a rotating shaft, 14-a limiting rod, 15-a disc panel, 16-a pull plate, 17-a guide rod, 18-a limiting pile, 111-a sliding groove, 151-an ear plate, 152-a first lug and 161-a second lug;

2-a first positioning component, 21-a first base, 22-a first positioning block, 23-a connecting block, 24-a first bearing plate, 25-a spring and 26-a bottom plate;

3-a second positioning component, 31-a second bearing plate, 32-a second base, 33-a second positioning block, 34-a pressure rod, 341-a guide groove and 342-a pressing part.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings and embodiments, which are to be understood as illustrative only and not limiting the scope of the invention. It should be noted that, in the following description, the words "front", "back", "left", "right", "upper" and "lower" are used, the words "left", "right", "upper" and "lower" refer to directions in the drawings, the words "front" and "back" refer to directions toward or away from the geometric center of a specific component, respectively, and in combination with the drawings in the embodiments of the present invention, the technical solution in the embodiments of the present invention is clearly and completely described, it is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments.

Now, a circle of process ring A (shown in figure 1) is additionally arranged on the edge of the front face of the hub blank, 6 notches B are uniformly distributed on the process ring, and the process ring is reserved for later-stage clamping, and the detailed description is given below on the specific implementation scheme:

example 1

Referring to fig. 2 to 4, a machining fixture for an aluminum alloy hub blank includes:

the wheel body assembly 1 is fixed on a machine tool and used for clamping a wheel hub blank;

the first positioning component 2 is arranged on the disc body component 1 and used for positioning the hub blank;

the second positioning component 3 is arranged on the disc body component 1 and used for positioning and pressing the hub blank;

wherein:

the tray body assembly 1 includes: the upper part of the housing 11 is connected with the disk panel 15, 6 first lugs 152 are uniformly distributed on the circumference of the disk panel 15, the first positioning component 2 and the second positioning component 3 are arranged above the first lugs 152 at intervals, the housing 11 is provided with a cavity, a pulling plate 16 is arranged in the cavity, the pulling plate 16 slides back and forth on the housing 11, 3 sliding grooves 111 corresponding to the positions of the first lugs 152 where the second positioning components 3 are arranged on the side wall of the housing 11 from top to bottom, 3 second lugs 161 corresponding to the positions of the first lugs 152 where the second positioning components 3 are arranged extend outwards on the circumference of the pulling plate 16, 3 lug plates 151 are arranged on the circumference of the disk panel 15, the lug plates 151 correspond to the 3 second lugs 161, a pull rod 12 extending out of the lower end of the housing 11 is arranged below the pulling plate 16, and the pull rod 12 is connected with a telescopic component of a machine tool, a guide rod 17 extending through the pulling plate 16 and extending to the tray panel 15 for guiding the pulling plate 16 is provided in the housing 11.

The first positioning component 2 includes: the first bearing plate 24 is arranged on the first lug 152, the first base 21 is arranged above the first bearing plate 24, the first base 21 is slidably adjusted on the first bearing plate 24, the first base 21 is provided with a connecting block 23, and the first positioning block 22 corresponding to the groove B is arranged above the connecting block 23.

The second positioning assembly 3 comprises: the second bearing plate 31 is arranged on the first lug 152, a second base 32 is arranged above the second bearing plate 31, a second positioning block 33 is arranged above the second base 32, the second positioning block 33 also corresponds to the groove B, the pressing rod 34 is further included, a guide groove 341 is arranged on the pressing rod 34, the upper section of the guide groove 341 is parallel to the axis of the disk panel 15, the lower section of the guide groove 341 inclines towards the axis of the disk panel 15, a pressing part 342 extends from the upper end of the pressing rod 34 towards the center of the disk panel 15, and the pressing part 342 is used for pressing the process ring A.

The upper top surface of the first positioning block 22 and the upper top surface of the second positioning block 33 are arranged in a coplanar manner;

the ear plate 151 is provided with a stopper 14 for limiting the movement position of the guide groove 341, and the lower end of the pressing rod 34 is rotatably connected to the second lug 161 via the rotating shaft 13.

In order to prevent the guide groove from impacting the limiting rod during use, limiting piles 18 for limiting the pulling plate 16 are arranged in the 3 sliding grooves 111.

Example 2

Referring to fig. 5, in order to achieve the effect that the upper surface of the first positioning block and the upper surface of the second positioning block can be coplanar, a stepped hole is formed in the first base 21, the connecting block 23 is disposed in the stepped hole, a spring 25 is disposed at the lower end of the connecting block 23, and a bottom plate 26 connected to the first base 21 is disposed at the lower end of the spring 25.

Referring to fig. 6, in order to clamp the hub on a horizontal lathe, the axis of the clamp is horizontal, when the clamp is used, the front face (i.e. the face with the process ring) of the hub faces the clamp, the groove B is aligned with the first positioning block 22 and the second positioning block 33, the clamp is automatically centered, then the opening driving pull rod 12 of the machine tool moves backwards, the guide groove 341 of the press rod 34 and the limiting rod 14 move inwards and downwards firstly and then move horizontally to achieve the purpose of pressing the hub blank, so that rapid clamping is realized, the loosening is opposite to the previous process, the process ring is machined after the machining is finished, and the next process is performed.

The technical scheme expressed by the patent takes 6-point positioning as an embodiment, is certainly not limited to 6-point positioning, at least more than 3 points, and can be properly adjusted by selecting a plurality of point positioning in consideration of the size of the disk panel and the hub and two positioning components.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an aluminum alloy wheel hub blank machine tooling anchor clamps, characterized by includes:

the wheel hub blank clamping device comprises a disc body assembly (1), wherein the disc body assembly (1) is fixed on a machine tool and used for clamping a wheel hub blank;

the first positioning assembly (2) is arranged on the disc body assembly (1) and is used for positioning the hub blank;

the second positioning assembly (3) is arranged on the disc body assembly (1) and is used for positioning and pressing the hub blank;

wherein:

the tray body assembly (1) includes: the disc comprises a housing (11) and a disc panel (15), wherein the upper part of the housing (11) is connected with the disc panel (15), 6 first lugs (152) are uniformly distributed on the circumference of the disc panel (15), a first positioning component (2) and a second positioning component (3) are arranged above the first lugs (152) at intervals, the housing (11) is provided with a cavity, a pulling plate (16) is arranged in the cavity, 3 sliding grooves (111) corresponding to the positions of the first lugs (152) where the second positioning component (3) is located are arranged on the side wall of the housing (11) from top to bottom, 3 second lugs (161) corresponding to the positions of the first lugs (152) where the second positioning component (3) is located extend outwards on the circumference of the pulling plate (16), and 3 lug plates (151) are arranged on the circumference of the disc panel (15), the lug plate (151) corresponds to the 3 second lugs (161), a pull rod (12) extending out of the lower end of the housing (11) is arranged below the pull plate (16), the pull rod (12) is connected with a telescopic part of a machine tool, and a guide rod (17) which penetrates through the pull plate (16) and extends to the disc panel (15) and is used for guiding the pull plate (16) is arranged in the housing (11);

the first positioning assembly (2) comprising: the first bearing plate (24) is arranged on the first lug (152), a first base (21) is arranged above the first bearing plate (24), the first base (21) is adjusted on the first bearing plate (24) in a sliding mode, a connecting block (23) is arranged on the first base (21), and a first positioning block (22) corresponding to the groove B is arranged above the connecting block (23);

-said second positioning assembly (3) comprising: the second bearing plate (31) is arranged on the first lug (152), a second base (32) is arranged above the second bearing plate (31), a second positioning block (33) is arranged above the second base (32), the second positioning block (33) corresponds to the groove B, the bearing plate further comprises a pressure lever (34), a guide groove (341) is arranged on the pressure lever (34), the upper section of the guide groove (341) is parallel to the axis of the plate panel (15), the lower section of the guide groove is inclined towards the axis of the plate panel (15), and a pressing part (342) extends towards the center of the plate panel (15) from the upper end of the pressure lever (34);

the upper top surface of the first positioning block (22) and the upper top surface of the second positioning block (33) are arranged in a coplanar manner;

a limiting rod (14) used for limiting the movement position of the guide groove (341) is arranged on the ear plate (151), and the lower end of the pressure rod (34) is rotatably connected with the second lug (161) through a rotating shaft (13).

2. The aluminum alloy hub blank machining clamp of claim 1, wherein: limiting piles (18) used for limiting the pulling plate (16) are arranged in the 3 sliding grooves (111).

3. The aluminum alloy hub blank machining clamp of claim 1, wherein: the novel multifunctional connecting device is characterized in that a stepped hole is formed in the first base (21), the connecting block (23) is arranged in the stepped hole, a spring (25) is arranged at the lower end of the connecting block (23), and a bottom plate (26) connected with the first base (21) is arranged at the lower end of the spring (25).