CN213592267U

CN213592267U - Eccentric adjuster

Info

Publication number: CN213592267U
Application number: CN202022166589.6U
Authority: CN
Inventors: 陈善猛; 安波; 邹光华
Original assignee: Qingling Motors Group Co Ltd; Chongqing Qingling Axle Co Ltd
Current assignee: Qingling Motors Group Co Ltd; Chongqing Qingling Axle Co Ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-07-02
Anticipated expiration: 2030-09-28

Abstract

The utility model provides an eccentric regulator for the work piece that the installation was equipped with the centre bore, it includes: the fixture comprises a fixture body and a supporting seat arranged on the fixture body, wherein a positioning table matched with a workpiece center hole is arranged at the top end of the supporting seat, the positioning table and the supporting seat are fixed in a detachable mode, a limiting component used for compressing a workpiece is detachably connected to the positioning table, and an eccentric adjusting component used for pushing the supporting seat to move along the same straight line is further arranged on the fixture body. The eccentric regulator in this scheme can satisfy the eccentric demand of the work piece of different article types or model, and eccentric adjustment easy operation can stabilize the centre gripping to the work piece processing.

Description

Eccentric adjuster

Technical Field

The utility model belongs to the parts machining field especially relates to an eccentric regulator.

Background

In the production process, some products have eccentric machining requirements, but because the product types need to be machined are more, the eccentricity is different, different clamps are often required to be arranged respectively according to different eccentric requirements of different products, and then the clamps are installed on a vertical lathe to clamp the products so as to be convenient for machining. However, because the fixtures used by the workpieces of different types or models are different, the corresponding fixtures of the workpieces of different types or models need to be replaced before processing, which wastes time and labor and has higher production cost.

SUMMERY OF THE UTILITY MODEL

In view of the above prior art's shortcoming, the utility model aims to provide an eccentric adjuster for solve among the prior art have different eccentric demands different models, the product of article type need change different anchor clamps scheduling problem before processing.

To achieve the above and other related objects, the present invention provides an eccentric adjuster for mounting a workpiece having a center hole, including: the fixture comprises a fixture body and a supporting seat arranged on the fixture body, wherein a positioning table matched with a workpiece center hole is arranged at the top end of the supporting seat, the positioning table and the supporting seat are fixed in a detachable mode, a limiting component used for compressing a workpiece is detachably connected to the positioning table, and an eccentric adjusting component used for pushing the supporting seat to move along the same straight line is further arranged on the fixture body.

Furthermore, the limiting assembly comprises a compression screw and a pressing plate, the compression screw is in threaded connection with the top surface of the positioning table, and the pressing plate is fixed to the top end of the compression screw.

Further, the eccentric adjusting assembly comprises an eccentric adjusting fixing block, the eccentric adjusting fixing block is uniformly distributed on the periphery of the supporting seat, the eccentric adjusting fixing block is fixedly connected with the clamp body, and an adjusting bolt used for adjusting the eccentricity of the supporting seat is arranged on the eccentric adjusting fixing block.

Furthermore, a central positioning hole is formed in the middle of the supporting seat, and the bottom end of the positioning table is inserted into the central positioning hole and matched with the central positioning hole.

Further, waist-shaped holes are formed in the supporting seat, the supporting seat and the clamp body are installed through bolts, the bolts are arranged in the waist-shaped holes, and the adjusting bolts abut against the clamp body.

Furthermore, the supporting seat is square, the number of the eccentric adjusting fixing blocks is four, and the four eccentric adjusting fixing blocks are parallel to four sides of the supporting seat respectively.

Further, the fixture body is also provided with a scribing component for eccentrically marking the workpiece.

Furthermore, the fixture body is further fixedly provided with a supporting block for supporting the bottom end of the workpiece, the supporting block is arranged outside the eccentric adjusting fixing block and around the supporting seat, and the supporting block close to the scribing component is positioned between the scribing component and the eccentric adjusting fixing block.

Furthermore, the line scribing component comprises two line scribing blocks and two line scribing tool bits, the two line scribing blocks are arranged in parallel, a groove body for guiding the line scribing tool bits is formed between the two line scribing blocks, and the line scribing tool bits are located in the groove body.

Further, the clamp body and the scribing head are in sliding fit in the vertical direction.

As described above, the eccentric adjuster of the present invention has the following beneficial effects:

because the locating table is matched with the central hole of the workpiece, when the workpieces of different types and models are replaced, the locating table can be detached and replaced only as required, the whole eccentric adjuster is not required to be replaced, the use is convenient, and the required cost is low.

Due to the arrangement of the limiting assembly, the workpiece is conveniently pressed and fixed on the eccentric adjuster, and the installation stability of the eccentric adjuster is ensured.

Due to the arrangement of the positioning table, the positioning effect on the installation of the workpiece is achieved, and meanwhile, the positioning table is matched with the center hole of the workpiece, so that the deviation of the installation position of the workpiece is avoided.

Due to the arrangement of the eccentric adjusting assembly, the eccentricity of the supporting seat can be adjusted conveniently according to the eccentric requirements of the workpieces, and the eccentric requirements of different workpieces can be met.

The eccentric regulator in this scheme can satisfy the eccentric demand of the work piece of different article types or model, and eccentric adjustment easy operation can stabilize the centre gripping to the work piece processing.

Drawings

Fig. 1 is a schematic sectional view of an eccentric adjuster according to an embodiment of the present invention.

Fig. 2 is a schematic top view of an eccentric adjuster according to an embodiment of the present invention.

Fig. 3 is a schematic view of the matching relationship between the eccentric adjuster and the workpiece according to the embodiment of the present invention.

Detailed Description

Reference numerals in the drawings of the specification include: the clamp comprises a clamp body 1, a supporting seat 2, a positioning table 3, a pressing plate 4, a pressing screw rod 5, an eccentric adjusting fixing block 6, a supporting block 7, a scribing block 8, a kidney-shaped hole 9, an adjusting bolt 10, a scribing cutter head 11 and a workpiece 12.

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 and 2, the present embodiment provides an eccentric adjuster, which is suitable for a workpiece 12 having a central hole, and includes: the clamp comprises a clamp body 1, a supporting seat 2, a positioning table 3, a pressing plate 4, an eccentric adjusting fixing block 6, a supporting block 7 and a scribing block 8. The supporting seat 2, the eccentric adjusting fixing block 6, the supporting block 7 and the scribing block 8 are all arranged on the fixture body 1, and the fixture body 1 is disc-shaped.

The supporting seat 2 comprises an installation plate and a convex column, the convex column is arranged in the middle of the installation plate, and the installation plate and the convex column are integrally formed. The mounting panel is square board, and four angle circular arcs of mounting panel pass through. Waist type hole 9 has been seted up to the position that the mounting panel is close to four angles, is provided with the bolt in the waist type hole 9, and supporting seat 2 passes through the bolt and realizes and anchor clamps body 1's fixed. The center of the convex column is provided with a central positioning hole along the axial direction, the central positioning hole is a through hole, and the through hole is convenient for processing the central positioning hole.

The positioning table 3 and the supporting seat 2 are fixed by screws, the sizes of the central holes of the positioning table 3 and the workpiece 12 are matched, namely the positioning table 3 with different specifications is made according to different workpieces 12. The positioning table 3 comprises a positioning block arranged from top to bottom along the same axis, and a first boss and a second boss which are downwards projected from the positioning block, the first boss, the second boss and the positioning block are integrally formed, and the positioning block is square. The first boss is located between the positioning block and the second boss, the first boss and the second boss are cylindrical, the diameters of the first boss and the convex column on the supporting seat 2 are the same, and the central positioning hole on the second boss and the supporting seat 2 is matched. The center of the positioning table 3 is provided with a threaded hole which is a blind hole.

The top view of the pressing plate 4 is in a cross shape, the middle part of the pressing plate 4 is fixedly connected with a compression screw rod 5, and the bottom end of the compression screw rod 5 is in threaded connection with a threaded hole on the positioning table 3.

The eccentric fixed block 6 of adjusting is totally four, and four eccentric fixed block 6 of adjusting distribute in the four sides of supporting seat 2 and with mounting panel four sides parallel arrangement. Two threaded holes are formed in the side wall of each eccentric adjusting block towards the direction of the supporting seat 2, an adjusting bolt 10 is installed in each threaded hole, and the adjusting bolt 10 abuts against the positioning table 3. The four eccentric adjusting fixed blocks 6 are all fixed on the fixture body 1 through screws.

A supporting block 7 is arranged between two adjusting bolts 10 of each eccentric adjusting fixing block 6, and the supporting block 7 is used for supporting the bottom of a workpiece 12. The supporting block 7 and the clamp body 1 are fixed through bolts.

The reticle block 8 is fixed on the fixture body 1 beside the right supporting block 7 through bolts, and the supporting block 7 is positioned between the reticle block 8 and the eccentric adjusting fixing block 6. The scribing blocks 8 are two in total, the two scribing blocks 8 are arranged in parallel, a groove body is formed between the two scribing blocks 8, and a scribing tool bit 11 is arranged in the groove body. The groove body is provided with a line marking cutter head 11 for guiding. The line cutting head 11 is connected with the clamp body 1 in a sliding mode, a through hole is formed in the clamp body 1 from top to bottom, a sliding block of the line cutting head 11 is arranged in the through hole, the sliding block is vertically fixed to the middle of the line cutting head 11, and the sliding block on the line cutting head 11 is in sliding fit with the through hole in the clamp body 1, so that the up-and-down position adjustment of the line cutting head 11 is achieved conveniently. The scribe head 11 is provided for making eccentric marks on the outer circumference of the bottom of the work piece 12.

In specific implementation, as shown in fig. 2 and 3, a matched positioning table 3 is selected according to the size of a central hole of a workpiece 12 to be processed, and the positioning table 3 is fixed on a supporting seat 2 through a screw; adjusting the adjusting bolt 10 on the eccentric adjusting fixing block 6 according to the required eccentric angle of the workpiece 12, and applying thrust to the supporting seat 2 through the adjusting bolt 10 to enable the supporting seat 2 to move along the kidney-shaped hole 9 on the mounting plate, so that the eccentric arrangement of the supporting seat 2 is realized. Such as: if the eccentricity of the current workpiece is 2.5mm and the eccentricity of the workpiece needing to be remodeled is 1.5mm, the adjusting bolt 10 on the right eccentric adjusting fixing block 6 can be retracted by 1mm, and the adjusting bolt 10 on the left eccentric adjusting fixing block 6 can be advanced by 1 mm. Then, the workpiece 12 to be eccentrically machined is sleeved on the positioning table 3, so that the bottom end of the workpiece 12 abuts against the supporting block 7, the workpiece 12 is pressed and fixed through the pressing plate 4 and the pressing bolt, and then the workpiece 12 can be machined.

In the embodiment, for workpieces 12 with different sizes, the adjustment of the eccentricity required by the workpieces 12 can be realized only by adjusting the adjusting bolts 10 on the left and right eccentric adjusting fixing blocks 6 after replacing the positioning table 3, and the use is convenient. The fixed block 6 is adjusted to off-centre in this scheme totally four, controls two off-centre and adjusts fixed block 6 and be used for eccentric regulation, and the setting of two off-centre adjustment fixed blocks 6 around is for position around restriction supporting seat 2 for can only be along controlling rectilinear movement when supporting seat 2 off-centre is adjusted.

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. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. An eccentric adjuster for mounting a workpiece having a central bore, comprising: the fixture comprises a fixture body and a supporting seat arranged on the fixture body, wherein a positioning table matched with a workpiece center hole is arranged at the top end of the supporting seat, the positioning table and the supporting seat are fixed in a detachable mode, a limiting component used for compressing a workpiece is detachably connected to the positioning table, and an eccentric adjusting component used for pushing the supporting seat to move along the same straight line is further arranged on the fixture body.

2. The eccentric adjuster according to claim 1, wherein the limiting component comprises a compression screw and a pressing plate, the compression screw is in threaded connection with the top surface of the positioning table, and the pressing plate is arranged at the top end of the compression screw.

3. The eccentric adjuster according to claim 1, wherein the eccentric adjusting assembly comprises eccentric adjusting fixing blocks, the eccentric adjusting fixing blocks are evenly distributed around the supporting seat, the eccentric adjusting fixing blocks are fixedly connected with the clamp body, and adjusting bolts for adjusting the eccentricity of the supporting seat are arranged on the eccentric adjusting fixing blocks.

4. The eccentric adjuster according to any of claims 1-3, wherein the support base has a central positioning hole formed in the middle thereof, and the bottom end of the positioning table is inserted into and mated with the central positioning hole.

5. The eccentric adjuster according to claim 3, wherein the support base is provided with a kidney-shaped hole, the support base and the clamp body are mounted through a bolt, the bolt is arranged in the kidney-shaped hole, and the adjusting bolt abuts against the clamp body.

6. The eccentric adjuster according to claim 5, wherein the supporting base has a square shape, and the eccentric adjusting fixing blocks are four in number, and the four eccentric adjusting fixing blocks are parallel to four sides of the supporting base, respectively.

7. The eccentric adjuster according to claim 3, characterized in that the chuck body is further provided with a reticle assembly for eccentric marking of the workpiece.

8. The eccentric adjuster according to claim 7, wherein the clamp body further comprises a support block fixed thereto for supporting a bottom end of the workpiece, the support block being disposed outside the eccentric adjustment fixing block and around the support base, the support block adjacent to the reticle assembly being located between the reticle assembly and the eccentric adjustment fixing block.

9. The eccentric adjuster of claim 7, wherein the scoring assembly comprises two scoring blocks and a scoring bit, wherein the two scoring blocks are arranged in parallel and define a channel therebetween for guiding the scoring bit, and wherein the scoring bit is positioned within the channel.

10. The eccentric adjuster according to claim 9, wherein the clamp body and the scoring head are slidably engaged in a vertical direction.