CN218658106U

CN218658106U - Grinding device for direct current motor shaft

Info

Publication number: CN218658106U
Application number: CN202223249871.6U
Authority: CN
Inventors: 王俭; 袁兆华; 罗蓉
Original assignee: Nidec Servo Changzhou Corp
Current assignee: Nidco Antesa Electric Motor Changzhou Co ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-03-21
Anticipated expiration: 2032-12-02

Abstract

The utility model discloses a DC motor shaft grinding device, headstock and tailstock including relative setting, be provided with the main shaft in the headstock, be connected with the ring flange on the main shaft, be connected with splint on the ring flange, splint inner bearing is connected with the adapter sleeve, adapter sleeve inner bearing is connected with first apex cover, first apex cover endotheca has inlayed first top, be connected with apex cover fixed plate on the tailstock, apex cover fixed plate inner bearing is connected with second apex cover, it is top that the embedding has the second in the second apex cover, first top and the top relative setting of second, the utility model discloses set up first apex cover and pin in the outside of first top, utilize the rotation of driving lever and pin to drive first top rotation, first top can drive the work piece rotation for driving the top, has saved and has used the heart to press from both sides and carry out the clamping, can wholly process the motor shaft, no longer need carry out the switching-over clamping to the motor shaft man-hour, has improved machining efficiency.

Description

Grinding device for direct current motor shaft

Technical Field

The utility model relates to a grinding device technical field specifically is DC motor shaft grinding device.

Background

When the existing motor shaft is processed, one end of the motor shaft is clamped through the chuck, the clamping end of the motor shaft cannot be processed during processing, and the processing can be carried out only after the direction of the motor shaft is adjusted by secondary clamping, so that the processing mode is low in efficiency, the machine tool is improved, the chuck clamping is changed into double-tip clamping, and the processing efficiency is improved;

in the production process, when some types of machine tools are found to be processed, the main shaft cannot rotate, for example, an M1432A universal cylindrical grinding machine, a heart clamp must be mounted on a workpiece in order to enable the workpiece to rotate for processing, after the heart clamp is used, a part of the surface of the workpiece is covered by the heart clamp and cannot be processed, and therefore the motor shaft still needs to be reversely mounted and clamped to complete the whole processing of the motor shaft, and the mounting and processing mode is low in efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a direct current motor shaft grinding device sets up first apex cover through the outside at first apex, connects the pin in the outside of first apex cover, utilizes the rotation of driving lever and pin to drive first apex rotation, and first apex can drive the work piece rotation for the drive is top, has saved and has used the heart of a chicken heart to press from both sides to carry out the clamping, can wholly process the motor shaft man-hour, no longer need carry out the clamping of switching-over to the motor shaft, has improved machining efficiency.

The utility model provides a following technical scheme: the grinding device for the direct current motor shaft comprises a headstock and a tailstock which are oppositely arranged, wherein a transmission device is arranged in the headstock, a spacer bush is connected in the transmission device, a main shaft is connected to an inner bearing of the spacer bush, and a flange plate is connected to the transmission device, and is characterized in that: the clamping plate is connected to the flange plate and connected with a main shaft bearing, a connecting sleeve is embedded in the main shaft, the bearing in the connecting sleeve is connected with a first center sleeve, a first center is embedded in the first center sleeve, and the first center is a driving center;

the tailstock is connected with a center sleeve fixing plate, a second center sleeve is connected to the inner bearing of the center sleeve fixing plate, a second center is embedded in the second center sleeve, and the first center and the second center are oppositely arranged;

the clamp plate is connected with a shifting lever, the outer surface of the first center sleeve is connected with a stop lever, and the shifting lever abuts against the stop lever.

According to the technical scheme, in order to prevent iron chips from influencing the positioning of the tips, the bottom of the first tip sleeve is an annular plate which is nested on the first tip, the side wall of the first tip sleeve extends outwards to form a folded edge, and the folded edge is flush with a bearing portion in the first tip.

According to the technical scheme, in order to reduce the axial runout of the motor shaft during rotation, the deflector rod and the rotating rod are perpendicular to each other.

According to the technical scheme, an annular baffle is formed at one end of the second center sleeve, and the second center is located on the inner side of the annular baffle.

According to the technical scheme, the rotating shaft is formed at the other end of the second center sleeve and is connected with the center sleeve fixing plate through a bearing, the center sleeve fixing plate is connected with a limiting plate, and the limiting plate is sleeved on the rotating shaft.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the first center sleeve is arranged on the outer side of the first center, the stop lever is connected to the outer side of the first center sleeve, the first center is driven to rotate by the driving lever and the stop lever, the first center can drive a workpiece to rotate for the driving center, clamping by the aid of the chicken heart clamp is omitted, the motor shaft can be integrally processed during processing, reversing clamping of the motor shaft is not needed, and processing efficiency is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

in the figure: 1. a head frame; 11. a main shaft; 12. a spacer sleeve; 13. a transmission device; 2. a flange plate; 3. a splint; 31. a deflector rod; 4. connecting sleeves; 5. a first thimble sleeve; 51. a stop lever; 6. a first tip; 7. a second tip; 8. a second thimble sleeve; 81. a rotating shaft; 82. an annular baffle; 9. a fixing plate is sleeved on the center; 91. a limiting plate; 10. and (4) a tail seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

Referring to fig. 1 and 2, the present invention provides a technical solution: direct current motor shaft grinding device, this grinding machine are the omnipotent cylindrical grinder of m1432a, and work piece headstock main shaft is non-rotating, including headstock 1 and tailstock 10 that set up relatively, is equipped with transmission 13 in the headstock 1, and transmission 13 in-connection has spacer 12, and the 12 interior bearings of spacer are connected with main shaft 11, are connected with ring flange 2, its characterized in that on the transmission 13: the flange plate 2 is connected with a clamping plate 3, the clamping plate 3 is in bearing connection with a main shaft 11, a connecting sleeve 4 is embedded in the main shaft 11, a taper hole is formed in the main shaft 11, a tapered column is formed at one end of the connecting sleeve 4 and can be inserted into the taper hole of the main shaft 11, a first center sleeve 5 is connected to a bearing in the connecting sleeve 4, a first center 6 is nested in the first center sleeve 5, the first center 6 is a driving center, a threaded hole is further formed in the outer surface of the first center sleeve 5, and a set screw is engaged in the threaded hole and used for fixing the first center 6;

a center sleeve fixing plate 9 is connected to the tailstock 10, a second center sleeve 8 is connected to the inner bearing of the center sleeve fixing plate 9, a second center 7 is embedded into the second center sleeve 8, a threaded hole is formed in the outer surface of the second center sleeve 8, a set screw is meshed in the threaded hole and used for fixing the second center 7, and the first center 6 and the second center 7 are oppositely arranged and used for clamping and fixing two end faces of a workpiece, so that the clamping efficiency of a motor shaft is improved;

be connected with driving lever 31 on splint 3, be connected with pin 51 on the surface of first apex cover 5, driving lever 31 offsets with pin 51, main shaft 11 rotates and drives the rotatory splint 3 that further drives of ring flange 2 and rotate, thereby make driving lever 31 rotatory, and driving lever 31 offsets with pin 51, can promote first apex cover 5 to rotate, it is rotatory to first apex 6 drive, first apex 6 can rotate with the work piece for the drive apex, thereby can make the motor shaft rotate and process, avoid pressing from both sides the centre gripping work piece with the heart and promote the work piece and rotate, the motor shaft just can wholly process like this, no longer need the switching-over clamping, machining efficiency is high.

The bottom of first apex cover 5 is the annular plate, and the annular plate nestification is on first apex 6, and the lateral wall of first apex cover 5 outwards extends has the hem, and the hem flushes with the bearing portion in the first apex 6, and the hem can be protected first apex 6, prevents that iron fillings winding from leading to the iron fillings to fall on top position and make the location of next processing part error appear.

The shift lever 31 and the stop lever 51 are perpendicular to each other, so that the shift lever 31 is prevented from generating axial force on the stop lever 51 to cause large axial runout of the motor shaft, and the processing precision of the motor shaft is further improved.

The annular baffle 82 is formed at one end of the second center sleeve 8, the second center 7 is positioned on the inner side of the annular baffle 82, the annular baffle 82 can effectively block iron filings, the iron filings are prevented from being accumulated or wound on the second center, and the iron filings are prevented from falling on the positioning part of the second center to enable the next machined workpiece to be positioned to generate errors.

The other end shaping of second apical cap 8 has pivot 81, and pivot 81 is connected with apical cap fixed plate 9 bearing, is connected with limiting plate 91 on the apical cap fixed plate 9, and limiting plate 91 cup joints on pivot 81, and limiting plate 91 fixes the bearing on the pivot 81, prevents that second apical cap 8 from squinting on the axial.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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 grinding device for the direct current motor shaft comprises a headstock and a tailstock which are oppositely arranged, wherein a transmission device is arranged in the headstock, a spacer bush is connected in the transmission device, a main shaft is connected to an inner bearing of the spacer bush, and a flange plate is connected to the transmission device, and is characterized in that: the flange plate is connected with a clamping plate, the clamping plate is connected with a main shaft bearing, a connecting sleeve is embedded in the main shaft, a bearing in the connecting sleeve is connected with a first center sleeve, a first center is embedded in the first center sleeve, and the first center is a driving center;

2. The dc motor shaft grinding apparatus of claim 1, wherein: the bottom of the first centre sleeve is an annular plate which is nested on the first centre, the side wall of the first centre sleeve extends outwards to form a folded edge, and the folded edge is flush with a bearing portion in the first centre.

3. The dc motor shaft grinding apparatus of claim 1, wherein: the shifting lever and the stop lever are perpendicular to each other.

4. The dc motor shaft grinding apparatus of claim 1, wherein: an annular baffle is formed at one end of the second center sleeve, and the second center is located on the inner side of the annular baffle.

5. The dc motor shaft grinding apparatus of claim 1, wherein: the other end shaping of second point cover has the pivot, the pivot is connected with point cover fixed plate bearing, be connected with the limiting plate on the point cover fixed plate, the limiting plate cup joints in the pivot.