CN213969979U

CN213969979U - Finish turning clamp for multiple types of motor end covers

Info

Publication number: CN213969979U
Application number: CN202022774270.1U
Authority: CN
Inventors: 杜智勇; 杨普; 钟向明; 张志斌; 有杰
Original assignee: Hubei Changxinyuan Automobile Industry Co ltd
Current assignee: Hubei Changxinyuan Automobile Industry Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-08-17
Anticipated expiration: 2030-11-25

Abstract

The utility model provides a multi-variety motor end cover finish turning clamp, which is used for positioning and clamping a motor end cover after the processing procedure of a vertical processing center and then carrying out finish turning processing, thereby effectively solving the influence of workpiece stress on the product quality and simultaneously ensuring the form and position tolerance of the finish turning processing, the technical proposal of the utility model comprises a clamp bottom plate, a connecting column, a fixed disc, a first fastening bolt, a positioning pin and a second fastening bolt, wherein the clamp bottom plate and the fixed disc are connected through the connecting column, a plurality of groups of positioning hole groups are arranged on the fixed disc, each group of positioning hole groups comprises a positioning pin hole and a locking hole, the positioning pin is arranged in the positioning pin hole, the positioning pin can be matched with the pin hole corresponding to the edge of the motor end cover, the first fastening bolt is arranged in the locking hole and passes through the locking hole upwards from the lower part of the fixed disc, the thread end of the motor end cover upwards extends to the upper part of the fixed disc and can be connected with a thread hole at the edge of the motor end cover.

Description

Finish turning clamp for multiple types of motor end covers

Technical Field

The utility model relates to a positioning fixture specifically is a many varieties motor end cover finish turning anchor clamps.

Background

Large motors have initially expanded market share and are involved in many fields. Along with the improvement of the power of the motor, the requirements on the precision of matched products are gradually improved, particularly the runout amount and the concentricity of the planes of the front end cover and the rear end cover and the bearing chamber, if the form and position tolerance cannot be guaranteed, the output power of the motor is directly influenced, the temperature is seriously increased, and great potential safety hazards exist.

At present, the processing route selected by most companies is rough turning → fine turning → vertical machining, the stress is gradually released in the product processing process, and the stress release is finished after the vertical processing sequence is finished, so that the processing route has a plurality of defects:

the final stress release is finished, and the size of finish turning is slightly influenced, particularly the shape and position tolerances of a mounting surface and a bearing chamber;

enough time is reserved between rough turning and fine turning for releasing stress, and the processing period of the product is long;

during fine machining, the outer circle of the product is mostly directly pressed, the product is deformed in the pressing process, and after the machining is finished, the product rebounds to directly influence the form and position tolerance;

in order to avoid the defects, the process is modified into rough turning → vertical turning → fine turning, the vertical turning process is firstly carried out, pin holes and threaded holes in the end face of the end cover are machined, then the fine turning process is carried out, and meanwhile the defects can be effectively overcome.

SUMMERY OF THE UTILITY MODEL

The utility model provides a many varieties motor end cover finish turning anchor clamps fixes a position the centre gripping to the motor end cover after vertical machining center's manufacturing procedure, carries out the finish turning again and processes, can effectively solve the influence of work piece stress to product quality, guarantees the geometric tolerances of finish turning simultaneously.

The technical scheme of the utility model lies in: including anchor clamps bottom plate, spliced pole, fixed disk, first fastening bolt, locating pin and second fastening bolt, anchor clamps bottom plate and fixed disk pass through the spliced pole and connect, set up multiunit location punch combination on the fixed disk, every location punch combination of group includes a location pinhole and a locking hole, the downthehole locating pin that is equipped with of locating pin, the locating pin can cooperate with the pinhole that motor end cover border corresponds, and the downthehole first fastening bolt that is equipped with of locking, first fastening bolt passes the locking hole in the direction by fixed disk below, and its screw thread end upwards stretches out to the fixed disk top, can be connected with the screw hole at motor end cover border.

Preferably, the connecting column is fixedly connected with the clamp bottom plate through a second fastening bolt, and the fixed disc is fixedly connected with the connecting column through a second fastening bolt.

Preferably, the center of the upper end face of the connecting column and the center of the lower end face of the fixed disc are respectively provided with a blind hole, the inner diameters of the two blind holes are the same, a coaxial positioning column is arranged in each blind hole, the outer diameter of the coaxial positioning column is the same as the inner diameter of the blind hole, the upper end of the coaxial positioning column extends into the blind hole in the lower end face of the fixed disc, the lower end of the coaxial positioning column extends into the blind hole in the upper end face of the connecting column, so that the connecting column and the fixed disc are coaxially connected, and the axial length of the coaxial positioning column is equal to the sum of the depths of the two blind holes.

Preferably, the edge of the fixed disk is provided with a notch matched with the motor end cover junction box, and the notch is used for matching with the motor end cover junction box.

Preferably, the plurality of positioning hole groups are distributed along the circumferential direction on the edge of the upper surface of the fixed disc, and the positioning pin hole and the locking hole of each positioning hole group respectively correspond to one pin hole and one threaded hole on the edge of the lower surface of the motor end cover.

The beneficial effects of the utility model reside in that:

1. the utility model discloses in, the part of treating the processing end cover with the installation and the part of being connected lathe chuck transition dish separately design, adopt spliced pole coupling jig bottom plate and fixed disk promptly, anchor clamps bottom plate and transition dish fixed connection, the fixed disk with treat the processing end cover and be connected, when processing not unidimensional motor end cover, only need to change not unidimensional fixed disk can, and need not to dismantle the part of being connected with chuck transition dish, the product switching time has both been shortened, the while also effectively reduced the error of product in follow-up course of working.

2. Because the clamp bottom plate and the fixed disk are separately designed, the end cover to be processed can be locked from the back of the fixed disk, and the influence of interference and the like on the processing process caused by the protruding bolt head when the end cover to be processed is processed from the front by the first fastening bolt is avoided.

Drawings

Fig. 1 and fig. 2 are schematic structural diagrams of the motor end cover of the present invention.

Fig. 3 and 4 are schematic structural diagrams of the assembly of the present invention with the motor end cover.

FIG. 5 is a partial structural sectional view taken at three points ABC in FIG. 3.

Fig. 6 is a schematic view of the overall structure of the present invention.

Detailed Description

Embodiments of the present invention are described in detail below with reference to the accompanying drawings.

As shown in fig. 1, the structure of this embodiment includes anchor clamps bottom plate 3, spliced pole 4, fixed disk 2, first fastening bolt 7, locating pin and second fastening bolt, anchor clamps bottom plate 3 and fixed disk 2 are connected through spliced pole 4, the multiunit location punch combination has been seted up on the fixed disk 2, and every group location punch combination includes a location pinhole and a locking hole, be equipped with locating pin 6 in the location pinhole, locating pin 6 can cooperate with the pinhole 102 that motor end cover 1 border corresponds, and the locking downthehole is equipped with first fastening bolt 7, first fastening bolt 7 passes the locking hole by fixed disk 2 below to the direction, and its threaded end upwards stretches out to fixed disk 2 top, can be connected with the screw hole 103 at motor end cover 1 border.

In this embodiment, the connecting column 4 is fixedly connected to the clamp base plate 3 by a second fastening bolt (not shown in the drawings), and the fixing plate 2 is fixedly connected to the connecting column 4 by a second fastening bolt (not shown in the drawings).

In this embodiment, a blind hole has respectively been seted up in spliced pole 4 up end central authorities and the fixed disk 2 lower extreme end central authorities, and two blind hole internal diameters are the same, be equipped with a coaxial reference column 5 in the blind hole, the external diameter is the same with the blind hole internal diameter, in the blind hole of terminal surface under the coaxial reference column 5 upper end stretched into fixed disk 2, the lower extreme stretched into in the blind hole of spliced pole 4 up end to make spliced pole 4 and fixed disk 2 coaxial coupling, the axial length of coaxial reference column equals the degree of depth sum of two blind holes.

In this embodiment, the edge of the fixed disk 2 is provided with a notch 8 matched with the motor end cover junction box 101, and the notch is used for matching with the motor end cover junction box 101.

In this embodiment, a plurality of sets of positioning hole groups are distributed along the circumferential direction on the edge of the upper surface of the fixed disk 2, and the positioning pin hole and the locking hole of each set of positioning hole group respectively correspond to one pin hole 102 and one threaded hole 103 on the edge of the lower surface of the motor end cover 1.

In the prior art, rough turning → fine turning → vertical machining center is generally adopted for machining the motor end cover 1, and the defects thereof are stated in the background art. Based on the defects, the machining process is improved, the finish turning process is placed at the end, the vertical machining process is firstly carried out, the stress of the workpiece is effectively released, and the influence of the stress of the workpiece on the subsequent process is effectively reduced, so that the quality of finish turning is improved, and the machining period is shortened.

The utility model discloses in, part (fixed disk 2) and the part (anchor clamps bottom plate 3) of being connected the lathe chuck transition dish of waiting to process the end cover will be installed and separately designed, adopt spliced pole 4 joint fixture bottom plate 3 and fixed disk 2 promptly, anchor clamps bottom plate 3 and transition dish fixed connection, fixed disk 2 with wait to process the end cover and be connected, when processing not unidimensional motor end cover 1, only need to change not unidimensional fixed disk 2 can, and need not to dismantle the part of being connected with the chuck transition dish, the product switching time has both been shortened, the while also effectively reduced the product error in follow-up course of working.

Because the clamp bottom plate 3 and the fixed disc 2 are separately designed, the end cover to be processed can be locked from the back surface of the fixed disc 2, and the influence of interference and the like on the processing process caused by the protruding bolt head when the end cover to be processed is processed from the front surface of the first fastening bolt 7 is avoided.

In this embodiment, adopt three locating pin 6 to fix a position motor end cover 1, can effectively prevent the end cover at the drawing deformation of finish turning course.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a many varieties motor end cover finish turning anchor clamps which characterized in that: including anchor clamps bottom plate, spliced pole, fixed disk, first fastening bolt, locating pin and second fastening bolt, anchor clamps bottom plate and fixed disk pass through the spliced pole and connect, set up multiunit location punch combination on the fixed disk, every location punch combination of group includes a location pinhole and a locking hole, the downthehole locating pin that is equipped with of locating pin, the locating pin can cooperate with the pinhole that motor end cover border corresponds, and the downthehole first fastening bolt that is equipped with of locking, first fastening bolt passes the locking hole in the direction by fixed disk below, and its screw thread end upwards stretches out to the fixed disk top, can be connected with the screw hole at motor end cover border.

2. The multi-variety motor end cover finish turning clamp of claim 1, characterized in that: the connecting column is fixedly connected with the clamp bottom plate through a second fastening bolt, and the fixed disc is fixedly connected with the connecting column through a second fastening bolt.

3. The multi-variety motor end cover finish turning clamp of claim 1, characterized in that: the fixing disc is characterized in that the center of the upper end face of the connecting column and the center of the lower end face of the fixing disc are respectively provided with a blind hole, the inner diameters of the two blind holes are the same, a coaxial positioning column is arranged in the blind hole, the outer diameter of the blind hole is the same as the inner diameter of the blind hole, the upper end of the coaxial positioning column stretches into the blind hole in the lower end face of the fixing disc, the lower end of the coaxial positioning column stretches into the blind hole in the upper end face of the connecting column, so that the connecting column.

4. The multi-variety motor end cover finish turning clamp of claim 1, characterized in that: and the edge of the fixed disc is provided with a notch matched with the motor end cover junction box and used for matching with the motor end cover junction box.

5. The multi-variety motor end cover finish turning clamp of claim 1, characterized in that: the positioning pin holes and the locking holes of each group of positioning hole groups respectively correspond to one pin hole and one threaded hole on the lower surface edge of the motor end cover.