CN223505959U

CN223505959U - A rounding machine for trimming motor housings

Info

Publication number: CN223505959U
Application number: CN202422887764.9U
Authority: CN
Inventors: 钱建松
Original assignee: Shengzhou Futong Mechanical & Electrical Co ltd
Current assignee: Shengzhou Futong Mechanical & Electrical Co ltd
Priority date: 2024-11-26
Filing date: 2024-11-26
Publication date: 2025-11-04
Anticipated expiration: 2034-11-26

Abstract

This utility model discloses a rounding machine for finishing motor housings, relating to the field of rounding machine technology. It includes: a frame with a mold positioning seat mounted at the top; a rounding mold with its bottom movably inserted into the inner side of the mold positioning seat; a conical mandrel vertically slidably inserted into the inner side of the rounding mold, the mandrel driving the rounding mold to expand and contract through a lifting action; and a hydraulic lifting device fixedly installed at the bottom of the frame, used to drive the conical mandrel to rise and fall. The rounding machine provided by this utility model can drive the conical mandrel to rise and fall in the middle of the rounding mold through the hydraulic lifting device. Combined with the tapered fit between the conical mandrel and the rounding mold, the conical mandrel can drive the rounding mold to expand or contract horizontally through the lifting action, thereby performing rounding processing on the inner wall of the motor housing fitted outside it, making the finishing work of the inner wall of the motor housing more convenient and efficient.

Description

Rounding machine for finishing motor shell

Technical Field

The utility model relates to the technical field of rounding machines, in particular to a rounding machine for finishing a motor shell.

Background

The motor casing belongs to one of the important constituent structures of the motor, is provided with a circular hollow cavity for mounting a stator and a rotor, and the hollow inner wall on the motor casing needs to keep the roundness of the motor casing in order to ensure the production quality of the motor.

In the prior art, in the production and processing process of a motor shell, the roundness of an inner cavity of the motor shell partially produced due to working errors is not smooth enough to form an oval inner cavity, so that the quality of subsequent motor assembly is affected, but equipment special for the reduction of the inner cavity of the motor shell is lacking nowadays, the equipment is mainly used for manually polishing and reduction, the operation is unchanged, the reduction difficulty is increased, and the actual use requirement is difficult to meet.

Disclosure of utility model

The utility model aims to provide a rounding machine for finishing and processing a motor shell, which aims to solve the problems in the background technology.

In order to achieve the aim, the utility model provides the technical scheme that the rounding machine for finishing and processing the motor shell comprises:

the top end of the frame is provided with a die positioning seat;

The bottom of the rounding die is movably inserted into the inner side of the die positioning seat, and the rounding die is used for rounding the inner cavity of the motor shell;

The conical mandrel is vertically inserted into the inner side of the rounding die in a sliding manner, and drives the rounding die to expand and contract through lifting action;

the hydraulic jacking device is fixedly arranged at the bottom of the frame and is used for driving the conical mandrel to lift.

Preferably, the rounding die comprises a plurality of tightening springs and tightening springs;

The plurality of tightening springs are spliced into a hollow cylinder in an annular array, and the thickness of the tightening springs is gradually increased along the direction close to the rack;

The two tightening springs are arranged, arc grooves matched with the tightening springs are formed in the two end parts of the split supporting die, and the tightening springs are sleeved on the inner sides of the tightening springs at the same end parts of the tightening springs.

Preferably, the frame comprises a support frame, a processing table for bearing the die positioning seat is arranged above the support frame, and support columns are fixedly connected to corners between the processing table and the support frame.

Preferably, a plurality of down-pressing clamps are arranged at the top end of the processing table and are positioned at the outer side of the die positioning seat at intervals, and the down-pressing clamps are used for pressing and positioning the die positioning seat on the processing table.

Preferably, the conical mandrel is in a truncated cone shape, and the outer wall of the conical mandrel and the inner cavity of the full-circle die are provided with mutually matched conicity.

Preferably, the bottom of the conical mandrel extends to the lower position of the processing table, a threaded column is inserted in the middle of the conical mandrel in a sliding mode, and positioning nuts are connected to the outer wall of the threaded column and the positions of the two ends of the conical mandrel in a threaded mode.

The utility model has the technical effects and advantages that:

According to the rounding machine provided by the utility model, the conical mandrel can be driven to lift in the middle of the rounding die through the hydraulic lifting device, and the conical mandrel is matched with the taper fit between the conical mandrel and the rounding die, so that the conical mandrel can drive the rounding die to expand or shrink in the horizontal direction through the lifting action, and the inner wall of a motor shell sleeved outside the conical mandrel is subjected to rounding processing, so that the trimming work of the inner wall of the motor shell is more convenient and efficient.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic perspective view of a full circle mold according to the present utility model.

Fig. 3 is a schematic perspective view of a conical mandrel according to the present utility model.

FIG. 4 is a schematic side sectional view of the rounding die of the present utility model.

In the figure, 100 parts of a machine frame, 101 parts of a support frame, 102 parts of a processing table, 103 parts of a support column, 200 parts of a mould positioning seat, 300 parts of a rounding mould, 301 parts of a split support mould, 302 parts of a circular arc slot, 303 parts of a tightening spring, 400 parts of a conical mandrel, 401 parts of a threaded column, 402 parts of a positioning nut, 500 parts of a pressing-down type clamp and 600 parts of a hydraulic lifting device.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

The utility model provides a rounding machine for finishing a motor shell, which is shown in fig. 1-4, and comprises a frame 100, a rounding die 300, a conical mandrel 400 and a hydraulic jacking device 600, wherein the rounding die 300 can be expanded or contracted and gathered in a horizontal direction, so that the diameter of an outer ring of the rounding die 300 can be adjusted, a die positioning seat 200 is arranged at the top end of the frame 100, the inside of the die positioning seat 200 is hollow, the expandable requirement of the rounding die 300 can be met, the bottom of the rounding die 300 is movably inserted into the inner side of the die positioning seat 200, the rounding die 300 is used for rounding an inner cavity of the motor shell, the conical mandrel 400 is vertically and slidably inserted into the inner side of the rounding die 300, the conical mandrel 400 drives the rounding die 300 to expand and contract through lifting action, the hydraulic jacking device 600 is fixedly arranged at the bottom of the frame 100, the hydraulic jacking device 600 is used for driving the conical mandrel 400 to lift and reduce the rounding of the inner wall of the motor shell, the motor shell is sleeved on the rounding die 300, the hydraulic jacking device 600 can drive the conical mandrel 400 to move in a preset range to stretch the rounding die 300, and simultaneously, and the diameter of the motor shell can be enlarged and contracted when the motor shell is reduced to the rounding die 300 is adjusted by rolling the rounding die 300, and the rounding die 300 is simultaneously, and the rounding die 300 can be adjusted to be correspondingly expanded and the rounding die 300.

The frame 100 includes a support frame 101, a processing table 102 for bearing the mold positioning seat 200 is arranged above the support frame 101, support columns 103 are fixedly connected to corners between the processing table 102 and the support frame 101, a plurality of pressing-down type clamps 500 are arranged at the top end of the processing table 102 and are positioned at the outer side of the mold positioning seat 200 at intervals, the pressing-down type clamps 500 are used for pressing and positioning the mold positioning seat 200 on the processing table 102, a hydraulic lifting device 600 is generally provided with a hydraulic cylinder and is fixedly installed at the top of the support frame 101 and connected with the conical mandrel 400, power is provided for lifting the conical mandrel 400, the pressing-down type clamps 500 are used for positioning and fixing the mold positioning seat 200 on the processing table 102, and the mold positioning seat 200 can be detached when being firmly installed, so that the corresponding mold positioning seat 200 and the rounding mold 300 can be replaced according to use requirements.

Further, the conical mandrel 400 is in a circular truncated cone shape, the diameter of the conical mandrel 400 is gradually reduced along the direction close to the processing table 102, the diameter of the inner cavity of the rounding die 300 is gradually increased along the direction close to the processing table 102, the outer wall of the conical mandrel 400 and the inner cavity of the rounding die 300 are provided with mutually matched conicity, the rounding die 300 comprises a plurality of tightening springs 303 and tightening springs 303, the plurality of tightening springs 303 are spliced into a hollow cylinder in an annular array, the thickness of the tightening springs 303 is gradually increased along the direction close to the frame 100, the number of the tightening springs 303 is two, circular arc grooves 302 matched with the tightening springs 303 are formed at two ends of the split supporting die 301, the tightening springs 303 are sleeved on the inner sides of the circular arc grooves 302 at the same end positions of the plurality of the tightening springs 303, after the plurality of split supporting dies 301 are expanded, the plurality of split supporting dies 301 can be automatically retracted by using the elastic shrinkage force of the tightening springs 303 after the expansion force is lost, the plurality of split supporting dies 301 in the rounding die 300 can be automatically retracted by using the elastic shrinkage force of the tightening springs 303 when the conical mandrel 400 is lowered, the plurality of split supporting dies 301 are automatically expanded to the inner walls of the round dies 301, and then the circular motor housing 301 can be automatically expanded along the direction of the initial circular stretching direction, and the circular mandrel 300 is automatically expanded, and the circular split can be automatically expanded to the positions by the reciprocating mode, and the circular motor housing can be automatically expanded.

In the preferred embodiment, the bottom of the conical mandrel 400 extends to the lower position of the processing table 102, the middle part of the conical mandrel 400 is slidably inserted with a threaded column 401, the outer wall of the threaded column 401 is in threaded connection with positioning nuts 402 at the two end positions of the conical mandrel 400, the position of the conical mandrel 400 on the threaded column 401 can be adjusted by adjusting the positions of the two positioning nuts 402 on the outer wall of the threaded column 401, so that the initial opening degree of the conical mandrel 400 to the rounding mold 300 can be adjusted, and the opening degree of the rounding mold 300 can be adjusted under the condition that the lifting stroke of the hydraulic lifting device 600 is unchanged, so that the rounding processing requirements of the motor casing inner walls with different sizes can be met, and the suitability of the rounding machine in use is improved.

It should be noted that the foregoing description is only a preferred embodiment of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it should be understood that modifications, equivalents, improvements and modifications to the technical solution described in the foregoing embodiments may occur to those skilled in the art, and all modifications, equivalents, and improvements are intended to be included within the spirit and principle of the present utility model.

Claims

1. The utility model provides a motor casing is maintained rounding machine of processing which characterized in that includes:

the mold positioning device comprises a frame (100), wherein a mold positioning seat (200) is arranged at the top end of the frame (100);

The bottom of the rounding die (300) is movably inserted into the inner side of the die positioning seat (200), and the rounding die (300) is used for rounding the inner cavity of the motor casing;

The conical mandrel (400) is vertically and slidably inserted into the inner side of the rounding die (300), and the conical mandrel (400) drives the rounding die (300) to expand and contract through lifting action;

The hydraulic jacking device (600), hydraulic jacking device (600) fixed mounting is in frame (100) bottom, hydraulic jacking device (600) are used for driving conical mandrel (400) to go up and down.

2. The rounding machine for finishing motor cases according to claim 1, wherein the rounding die (300) comprises a plurality of tightening springs (303) and tightening springs (303);

The plurality of tightening springs (303) are spliced into a hollow cylinder in an annular array, and the thickness of the tightening springs (303) is gradually increased along the direction approaching to the frame (100);

The two tightening springs (303) are arranged, arc grooves (302) matched with the tightening springs (303) are formed in the two end parts of the split supporting die (301), and the tightening springs (303) are sleeved on the inner sides of the tightening springs (303) at the same end parts of the tightening springs (303).

3. The rounding machine for finishing motor shells according to claim 2, wherein the frame (100) comprises a supporting frame (101), a processing table (102) for bearing a die positioning seat (200) is arranged above the supporting frame (101), and supporting columns (103) are fixedly connected to corners between the processing table (102) and the supporting frame (101).

4. A rounding machine for finishing a motor casing according to claim 3, wherein a plurality of pressing down clamps (500) are provided at intervals at the top end of the processing table (102) and at the outer side of the die positioning seat (200), and the pressing down clamps (500) are used for pressing and positioning the die positioning seat (200) on the processing table (102).

5. The rounding machine for finishing motor shells according to claim 4, wherein the conical mandrel (400) is in a truncated cone shape, and the outer wall of the conical mandrel (400) and the inner cavity of the rounding mold (300) have mutually matched conicity.

6. The rounding machine for finishing motor shells according to claim 5, wherein the bottom of the conical mandrel (400) extends to a position below the machining table (102), a threaded column (401) is slidably inserted in the middle of the conical mandrel (400), and positioning nuts (402) are screwed on the outer wall of the threaded column (401) and located at two end positions of the conical mandrel (400).