CN117066984B

CN117066984B - New energy automobile motor shaft excircle grinds adds clamping apparatus

Info

Publication number: CN117066984B
Application number: CN202311331638.9A
Authority: CN
Inventors: 邵佳; 李欢
Original assignee: Jingjiang Jiasheng Vacuum Technology Co ltd
Current assignee: Jingjiang Jiasheng Vacuum Technology Co ltd
Priority date: 2023-10-16
Filing date: 2023-10-16
Publication date: 2024-01-26
Anticipated expiration: 2043-10-16
Also published as: CN117066984A

Abstract

The invention discloses a new energy automobile motor shaft excircle grinding clamp, which comprises: the bottom plate is connected to a workbench of the grinding machine; the first elastic inner supporting part is connected to a spindle box on the grinding machine, and is rotated in a linkage way by the spindle box and used for limiting one end of a motor shaft; the second elastic inner supporting part is arranged opposite to the first elastic inner supporting part and is used for limiting the other end of the motor shaft; the position adjusting part is connected to the bottom plate and connected with the second elastic internal support part, and the position adjusting part is linked with the second elastic internal support part to move along the bottom plate to limit or loosen the other end of the motor shaft; the synchronous transmission piece is connected to the bottom plate in a sliding way and connected with the first elastic inner supporting part and the second elastic inner supporting part, when the first elastic inner supporting part rotates, the synchronous transmission piece is linked to rotate, and the synchronous transmission piece is linked to the second elastic inner supporting part to synchronously rotate along the position adjusting part, and the motor shaft rotates; therefore, the technical problems that the clamping effect is poor, the synchronism is poor and the machining precision is affected are solved.

Description

New energy automobile motor shaft excircle grinds adds clamping apparatus

Technical Field

The invention relates to the technical field of automobiles, in particular to a clamp for grinding the excircle of a motor shaft of a new energy automobile.

Background

An automobile is a vehicle which is driven by power and can run in a maneuvering way without being erected according to a track or electric power;

according to the driving power source, gasoline automobiles, diesel automobiles and new energy automobiles are classified; the new energy automobiles comprise pure electric automobiles, hybrid electric automobiles, fuel cell electric automobiles and the like;

the new energy automobile has the advantages of lower pollution, reproducibility, clean and efficient use and the like, the new energy automobile industry in China is rapidly developed, the demand of people for the new energy automobile is continuously increased, and huge market space is provided for the new energy automobile industry;

it is well known that the motor is used as a core component of a new energy automobile, the function of the motor is self-evident, the motor shaft is more important, in order to ensure the precision and the size of the motor shaft in the machining and manufacturing process, the excircle of the motor shaft is required to be ground and machined, the traditional method is that a grinding machine is adopted, one end of the motor shaft is clamped on a chuck on a main shaft box of the grinding machine, the other end of the motor shaft is propped against by a tailstock, when the main shaft box rotates, a thimble on the tailstock rotates together with the motor shaft, and due to the structure that the thimble and the motor shaft are not integral, the synchronism between the main shaft box and the thimble is poor when the main shaft box rotates, the contact part of the thimble and the motor shaft is easy to loose, the clamping effect is poor, and the machining precision is affected.

Disclosure of Invention

Aiming at the defects in the related art, the purpose is to provide a new energy automobile motor shaft outer circle grinding clamp to solve the technical problems that the clamping effect in the related art is poor, the synchronism is poor, and the machining precision is affected.

The technical scheme for realizing the purpose is as follows: new energy automobile motor shaft excircle grinds adds clamping apparatus, includes:

the bottom plate is connected to a workbench of the grinding machine;

the first elastic inner supporting part is connected to a spindle box on the grinding machine, and is rotated in a linkage way by the spindle box and used for limiting one end of a motor shaft;

the second elastic inner support part is arranged opposite to the first elastic inner support part and used for limiting the other end of the motor shaft, and the center lines of the second elastic inner support part, the first elastic inner support part and the motor shaft are on the same straight line;

the position adjusting part is connected to the bottom plate and connected with the second elastic internal support part, and the position adjusting part is linked with the second elastic internal support part to move along the bottom plate to limit or loosen the other end of the motor shaft;

and the synchronous transmission piece is connected to the bottom plate in a sliding way and is connected with the first elastic internal supporting part and the second elastic internal supporting part, when the first elastic internal supporting part rotates, the synchronous transmission piece is linked to rotate, the synchronous transmission piece is linked to the second elastic internal supporting part to synchronously rotate along the position adjusting part, and the motor shaft rotates.

Further: the first elastic inner stay portion or the second elastic inner stay portion includes: one end of the supporting sleeve is connected to the spindle box, a first stepped through hole is formed in the supporting sleeve, and a first gear is arranged on the outer circle of the supporting sleeve; the inner retaining sleeve is connected to the other end of the supporting sleeve, is locally arranged at the first step through hole and is used for abutting against the end part of the motor shaft and limiting the end part of the motor shaft; the elastic supporting structure penetrates through the first step through hole and is connected with the supporting sleeve, one end of the elastic supporting structure protrudes out of the inner retaining sleeve, the other end of the elastic supporting structure protrudes out of the first step through hole, and the other end of the elastic supporting structure is arranged in the spindle through hole on the spindle box; the sliding sleeve is sleeved on the elastic supporting structure and is arranged in the first step through hole and is in sliding connection with the elastic supporting structure; the deformable inner support piece is sleeved on the elastic supporting structure, one end of the deformable inner support piece is connected with the sliding sleeve, the other end of the deformable inner support piece protrudes out of the inner retaining sleeve, and the deformable inner support piece is used for tensioning the motor shaft from inside to outside; and the rotary pushing piece is connected to the supporting sleeve and used for stirring the sliding sleeve and the deformable inner supporting piece to move along the elastic supporting structure, and the deformable inner supporting piece loosens the motor shaft.

Further: the elastic support structure includes: a first shaft, one end of which passes through the first stepped through hole and the other end of which protrudes out of the first stepped through hole and is arranged in the main shaft through hole; one end of the second shaft penetrates through the first stepped through hole and is connected with the first shaft, the other end of the second shaft protrudes out of the first stepped through hole and is arranged at intervals with the inner retaining sleeve, and the other end of the second shaft is inserted into the end reserved blind hole on the motor shaft; the limiting bolt is spliced on the supporting sleeve and spliced with the second shaft to limit the supporting sleeve and the second shaft; the spring is sleeved on the first shaft and is arranged in the main shaft through hole; and the baffle ring is connected to the other end of the first shaft and limits the spring.

Further: the outer edge of the deformable inner support piece is of a stepped shaft structure, a second stepped through hole is formed in the middle of the deformable inner support piece, the deformable inner support piece is sleeved on the second shaft through the second stepped through hole, and one end of the second stepped through hole is provided with a first conical surface;

six first through grooves are formed in the deformable inner supporting piece and are communicated with the second stepped through holes, the part of the deformable inner supporting piece is divided into six deformable blocks, the deformable blocks are provided with the first conical surfaces and are in contact matching with the second conical surfaces on the second shaft, the deformable blocks are spread and deformed by the second conical surfaces, and the deformable blocks are tensioned at the reserved blind holes of the end parts from inside to outside;

The first through groove comprises: one end of the strip-shaped groove body penetrates through part of the deformable inner supporting piece, and the waist-shaped groove body is communicated with the other end of the strip-shaped groove body and penetrates through part of the deformable inner supporting piece;

the sum of the length dimensions of the long-strip-shaped groove body and the waist-shaped groove body is 3/4 of the length dimension of the deformable inner support.

Further: the rotary pusher includes: the outer cylinder body is connected to the supporting jacket and provided with a first through hole, and the first through hole is communicated with the first stepped through hole; the two first bearing seats are symmetrically connected to the outer cylinder body; the third shaft penetrates through the first through hole and is connected with the first bearing seat, and the end part of the third shaft protrudes out of the first bearing seat; the second gear is connected to the third shaft and arranged in the first through hole and is used for poking the sliding sleeve to move along the elastic supporting structure; and the first threaded pin is connected to the outer cylinder body and limits the third shaft.

Further: the position adjustment section includes: the bottom of the first seat body is in sliding connection with a first sliding groove on the bottom plate, and a third stepped through hole is formed in the top of the first seat body; the first bearing is connected in the third stepped through hole; one end of the connecting sleeve body is connected with the first bearing, and the other end of the connecting sleeve body is connected with the second elastic inner supporting part; the first clamp spring is connected to the connecting sleeve body and used for blocking the first bearing; the first side cover body is connected to the top side wall of the first seat body, surrounds the connecting sleeve body and presses the first bearing; the heat dissipation piece is connected to the second elastic inner supporting part and is arranged at intervals with the first bearing; the shield body is connected to the first seat body and covers the heat dissipation piece; the position linkage piece is connected to the bottom plate and the first seat body and is used for linking the sliding position of the first seat body along the first sliding chute; and the second threaded pin is connected to the first seat body and is propped against the bottom plate to limit the first seat body.

Further: the heat sink includes: a fourth shaft, one end of which is connected with the first shaft; a wind impeller connected to the other end of the fourth shaft; the second clamp spring is connected to the other end of the fourth shaft and limits the fan impeller;

the position linkage includes: the second seat body is connected to the bottom plate; the linkage threaded rod is penetrated on the second seat body and is in threaded connection with the second seat body; the bearing jacket is connected to the first seat body; the second bearing is connected to the bearing jacket and is connected with one end of the linkage threaded rod; the third clamp spring is connected to the linkage threaded rod and used for limiting the second bearing and the linkage threaded rod; the second side cover body is connected to the second seat body and surrounds the linkage threaded rod to press the second bearing; the hand wheel body is connected to the other end of the linkage threaded rod and used for rotating the linkage threaded rod; and the organ cover body is connected between the second seat body and the first seat body and covers part of the linkage threaded rod, the bearing jacket, the second bearing, the third clamp spring and the second side cover body.

Further: the synchronous transmission member includes: the bottom of the third seat body is in sliding connection with a second chute on the bottom plate; two second bearings, which are connected at intervals on the top of the third seat body; and the transmission shaft body is connected to the second bearing body, one end of the transmission shaft body is meshed with the first gear on the first elastic inner supporting part, and the other end of the transmission shaft body is meshed with the first gear on the second elastic inner supporting part.

Further: further comprises: the first side leaning piece is connected to the bottom plate and butts against the first gear and the transmission shaft body on the first elastic inner supporting part;

the first side rest includes: the bottom of the fourth seat body is in sliding connection with a third sliding groove on the bottom plate; the two first arc-shaped blocks are symmetrically connected to the side wall, close to the top, of the fourth seat body at intervals; the two connecting arms are connected to the first arc-shaped blocks one by one; two support arms, set up between the said connecting arm, connect with said connecting arm one-to-one, and connect each other between the said support arms; the two first gear assemblies are symmetrically connected to the supporting arm and meshed with the first gears; the second gear assembly is connected to the supporting arm and meshed with the transmission shaft body, and triangular arrangement is formed between the second gear assembly and the first gear assembly; the third threaded pin is connected to the fourth seat body and abuts against the bottom plate to limit the fourth seat body;

The support arm includes: one end of the bending arm is arranged between the first arc-shaped blocks, and the other end of the bending arm extends towards the first gear and is arranged at intervals with the first gear; the two L-shaped blocks are connected to the bending arms at intervals, and the L-shaped block on one bending arm is connected with the L-shaped block on the other bending arm;

the first gear assembly includes: two third bearing seats which are connected to the bending arms one by one; the fifth shaft penetrates through the bending arm and is connected with the third bearing seat; the third gear is connected to the fifth shaft, is arranged between the bending arms and is meshed with the first gear;

the second gear assembly includes: two fourth bearing seats are connected to the bending arms one by one; the sixth shaft penetrates through the bending arm and is connected with the fourth bearing seat; and the fourth gear is connected to the sixth shaft, is arranged between the bending arms and is meshed with the transmission shaft body.

Further: further comprises: the first cover body is connected to the bottom plate and used for blocking the synchronous transmission piece; the second cover body is connected to the top of the fourth seat body and covers the first side leaning piece and part of the first elastic inner supporting part; and a third cover body connected to the top of the first cover body and covering a part of the second elastic inner support portion.

By adopting the technical scheme, the method has the following beneficial effects: compared with the prior art, the novel energy automobile motor shaft outer circle grinding clamp is provided with a bottom plate, a first elastic inner supporting part, a second elastic inner supporting part, a position adjusting part and a synchronous transmission part, wherein the bottom plate is connected to a workbench of a grinding machine, a reliable supporting structure is formed, connection and arrangement of other parts are facilitated, one end of a motor shaft is limited by the first elastic inner supporting part, the position adjusting part is linked with the second elastic inner supporting part to move along the bottom plate, the second elastic inner supporting part is used for limiting the other end of the motor shaft, the motor shaft is limited between the first elastic inner supporting part and the second elastic inner supporting part, the synchronous transmission part is connected with the first elastic inner supporting part and the second elastic inner supporting part, and the spindle box is linked with the first elastic inner supporting part to rotate, so that the synchronous transmission part, the motor shaft and the second elastic inner supporting part are linked to synchronously rotate, the clamping effect is relatively good, and the machining precision is guaranteed; therefore, the technical problems that the clamping effect is poor, the synchronism is poor, and the machining precision is affected are solved, the clamping effect is relatively good, the synchronism is relatively good, and the technical effect of the machining precision is guaranteed.

Drawings

FIG. 1 is a schematic diagram of a general assembly structure;

FIG. 2 is a partial cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of the assembled structure of FIG. 1 with the first cover, the second cover and the third cover added;

FIG. 4 is a schematic view of the structure of the first elastic inner support portion or the second elastic inner support portion;

FIG. 5 is one of the partial cross-sectional views of FIG. 4;

FIG. 6 is an exploded view of the sliding sleeve and the deformable inner support;

FIG. 7 is a second partial cross-sectional view of FIG. 4;

FIG. 8 is a schematic structural view of a second elastic inner stay and a position adjustment portion;

FIG. 9 is a partial cross-sectional view of FIG. 8;

FIG. 10 is a schematic diagram of a synchronous drive;

FIG. 11 is a schematic view of a first side rest;

FIG. 12 is a schematic structural view of a support arm;

FIG. 13 is a schematic structural view of a first gear assembly or a second gear assembly;

fig. 14 is a schematic structural view of the first guide stopper or the second guide stopper;

FIG. 15 is a schematic view of a second side rest;

in the figure: 10. the base plate, 10-1, first runner, 10-2, second runner, 10-3, third runner, 20, first resilient inner support portion, 21, support sleeve, 21-1, first stepped through hole, 21-2, first gear, 21-21, first annular groove, 22, inner retainer, 23, resilient support structure, 23-1, first shaft, 23-2, second shaft, 23-21, second tapered surface, 23-3, limit plug, 23-4, spring, 23-5, retainer ring, 24, sliding sleeve, 24-1, kidney-shaped channel, 24-2, concave-convex tooth segment, 25, deformable inner brace, 25-1, second stepped through hole, 25-11, first tapered surface, 25-2, first channel, 25-21, elongated channel, 25-22, kidney-shaped channel, 25-3 deformable block, 26-11 rotary pusher, 26-1 outer cylinder, 26-11 first through hole, 26-2 first bearing seat, 26-3 third shaft, 26-4 second gear, 26-5 first threaded pin, 30 second resilient inner support, 40 position adjustment, 41 first seat, 41-1 third stepped through hole, 41-2L-shaped leg, 41-3 first slider, 41-4 triangular stiffener, 41-5 cylindrical block, 42 first bearing, 43 connecting sleeve, 44 first snap spring, 45 first side cover, 46 heat sink, 46-1 fourth shaft, 46-2 wind vane, 46-3 second snap spring, 47 shield, 48 position linkage, 48-1, second housing, 48-2, linkage threaded rod, 48-3, bearing housing, 48-4, second bearing, 48-5, third snap spring, 48-6, second side housing, 48-7, hand wheel body, 48-8, organ cover, 49, second threaded pin, 50, synchronous drive, 51, third housing, 51-1. T-shaped seat, 51-2, second slider, 52, second bearing seat, 53, drive shaft, 53-1, second annular groove, 53-2, lobe, 60, first side rest, 61, fourth housing, 61-1, second T-shaped seat, 61-2, third slider, 62, first arcuate block, 63, arm, 64, support arm, 64-1, bent arm, 64-2. L-shaped block, 65, first gear assembly, 65-1, third bearing seat, 65-2, fifth shaft, 65-3, third gear, 66, second gear assembly, 66-1, fourth bearing housing, 66-2, sixth shaft, 66-3, fourth gear, 67, third threaded pin, 68, first guide limiter, 68-1, first outer sleeve, 68-2, first ball, 68-3, first inner stop pin, 70, first cover, 80, second cover, 90, third cover, 910, second side stop, 910-1, first bent frame, 910-2, second bent frame, 910-3, second arcuate block, 910-4, second guide limiter, 910-41, second outer sleeve, 910-42, second ball, 910-43, second inner stop pin, 910-5, resilient bent support, 100, headstock, 101, spindle through bore, 200. and a motor shaft, wherein a blind hole is reserved at the end part of the motor shaft, 201.

Detailed Description

In order that the contents may be more readily understood, a further detailed description is provided below, according to specific embodiments, in conjunction with the accompanying drawings;

the novel energy automobile motor shaft excircle grinds adds clamping apparatus, has solved clamping effect relatively poor in the correlation technique, and synchronism is relatively poor, has influenced the technical problem of machining precision, has reached clamping effect relatively better, and synchronism is relatively better, has guaranteed the positive effect of machining precision, and the overall thinking is as follows:

embodiment one

As shown in fig. 1, 2 and 3; new energy automobile motor shaft excircle grinds adds clamping apparatus, includes:

a base plate 10 connected to a table of the grinding machine;

a first elastic inner support part 20 connected to a headstock 100 on the grinding machine, rotated in association with the headstock 100, for limiting one end of a motor shaft 200;

a second elastic inner support portion 30 disposed opposite to the first elastic inner support portion 20 for limiting the other end of the motor shaft 200, wherein the center lines of the second elastic inner support portion 30, the first elastic inner support portion 20 and the motor shaft 200 are on the same straight line;

a position adjusting part 40 connected to the base plate 10 and connected to the second elastic inner support part 30, and the position adjusting part 40 links the second elastic inner support part 30 to move along the base plate 10 to limit or release the other end of the motor shaft 200;

And a synchronous transmission member 50 slidably connected to the base plate 10 and connected to the first elastic inner support 20 and the second elastic inner support 30, wherein when the first elastic inner support 20 rotates, the synchronous transmission member 50 is linked to rotate, the synchronous transmission member 50 is linked to the second elastic inner support 30 to synchronously rotate along the position adjusting portion 40, and the motor shaft 200 rotates;

specifically, in implementation, the base plate 10, the first elastic internal support portion 20, the second elastic internal support portion 30, the position adjusting portion 40 and the synchronous transmission member 50 are provided, the base plate 10 is connected to a workbench of the grinding machine, a reliable supporting structure is formed, connection and arrangement of other components are facilitated, one end of the motor shaft 200 is limited by the first elastic internal support portion 20, the position adjusting portion 40 is linked with the second elastic internal support portion 30 to move along the base plate 10, the second elastic internal support portion 30 is limited by the other end of the motor shaft 200, the motor shaft 200 is limited between the first elastic internal support portion 20 and the second elastic internal support portion 30, the synchronous transmission member 50 is connected with the first elastic internal support portion 20 and the second elastic internal support portion 30, and the spindle box 100 is linked with the first elastic internal support portion 20 to rotate, so that the synchronous transmission member 50, the motor shaft 200 and the second elastic internal support portion 30 are linked to rotate synchronously, the clamping effect is relatively good, and the purpose of machining precision is guaranteed;

Another embodiment is:

as shown in fig. 1, 2 and 3; in implementation, the bottom plate 10 is of a rectangular plate-shaped structure, is arranged on a workbench of the grinding machine, is pressed on the workbench of the grinding machine by a machine tool pressing plate (the machine tool pressing plate is of a common structure in the prior art), forms a reliable supporting structure and is beneficial to connecting and arranging other parts;

the first chute 10-1, the second chute 10-2 or the third chute 10-3 are dovetail grooves, and are in sliding connection, so that the flexibility in operation is relatively good, and the use is relatively convenient;

another embodiment is:

as shown in fig. 1, 2, 3, 4, 5, 6, 7, 8 and 9; in practice, the first elastic inner support portion 20 or the second elastic inner support portion 30 includes: a support sleeve 21, one end of which is connected to the spindle box 100, wherein a first stepped through hole 21-1 is formed in the support sleeve 21, and a first gear 21-2 is formed on the outer circle of the support sleeve 21; an inner blocking sleeve 22 connected to the other end of the supporting sleeve 21 and partially disposed at the first stepped through hole 21-1, for abutting against the end of the motor shaft 200 and limiting the end of the motor shaft 200; an elastic supporting structure 23 passing through the first stepped through hole 21-1 and connected with the supporting sleeve 21, wherein one end of the elastic supporting structure 23 protrudes out of the inner retaining sleeve 22, the other end protrudes out of the first stepped through hole 21-1, and the other end is arranged in a main shaft through hole 101 on the main shaft box 100; the sliding sleeve 24 is sleeved on the elastic supporting structure 23 and is arranged in the first step through hole 21-1 and is in sliding connection with the elastic supporting structure 23; a deformable inner support member 25 sleeved on the elastic support structure 23, one end of the deformable inner support member is connected with the sliding sleeve 24, the other end of the deformable inner support member protrudes out of the inner retaining sleeve 22, and the deformable inner support member 25 is used for tensioning the motor shaft 200 from inside to outside; and a rotary pushing member 26 connected to the support casing 21 for pulling the sliding sleeve 24 and the deformable inner support member 25 to move along the elastic support structure 23, the deformable inner support member 25 releasing the motor shaft 200;

The outer shape of the supporting sleeve 21 is of a ladder-shaped structure, the outer diameter of the supporting sleeve gradually decreases from one end to the other end, the outer shape is relatively attractive, and one end of the supporting sleeve is connected with the spindle box 100 through an inner hexagon bolt;

the first step through hole 21-1 is arranged to facilitate connection and arrangement of the inner baffle sleeve 22, the elastic supporting structure 23, the sliding sleeve 24 and the deformable inner supporting piece 25;

the first gear 21-2 is a straight gear and is welded with the supporting sleeve 21;

the longitudinal section of the inner baffle sleeve 22 is of a circular ring structure, one part of the inner baffle sleeve 22 is tightly matched with the first stepped through hole 21-1, the other part of the inner baffle sleeve is abutted against the end reserved blind hole 201 on the motor shaft 200, the abutted part of the inner baffle sleeve 22 is provided with a third conical surface, and the third conical surface is beneficial to the insertion of the inner baffle sleeve 22 into the end reserved blind hole 201 and limiting the end of the motor shaft 200;

the elastic support structure 23 comprises: a first shaft 23-1 having one end penetrating the first stepped through hole 21-1 and the other end protruding the first stepped through hole 21-1 and disposed in the spindle through hole 101; one end of the second shaft 23-2 penetrates through the first stepped through hole 21-1 and is connected with the first shaft 23-1, the other end of the second shaft 23-2 protrudes out of the first stepped through hole 21-1 and is arranged at intervals with the inner retaining sleeve 22, and the other end of the second shaft 23-2 is inserted into an end reserved blind hole 201 on the motor shaft 200; the limiting bolt 23-3 is inserted on the supporting sleeve 21 and is inserted with the second shaft 23-2 to limit the supporting sleeve 21 and the second shaft 23-2; a spring 23-4 fitted over the first shaft 23-1 and disposed in the spindle through hole 101; the baffle ring 23-5 is connected to the other end of the first shaft 23-1 and limits the spring 23-4;

The first shaft 23-1 is a segment of a circular shaft;

the second shaft 23-2 is of a T-shaped structure, one end of the second shaft is in plugging tight fit with the first shaft 23-1, and the other end of the second shaft is provided with a second conical surface 23-21;

the limiting bolt 23-3 is a section of round pin and is inserted into the supporting sleeve 21 and the second shaft 23-2, so that the supporting sleeve 21 is reliably connected with the second shaft 23-2, and the second shaft 23-2 and the first shaft 23-1 are limited;

the spring 23-4 is a structure commonly used in the art, such as: the cylindrical spring is provided with a spring 23-4, the generated elastic force enables the sliding sleeve 24 and the deformable inner supporting piece 25 to move to the motor shaft 200 along the direction of the first shaft 23-1, the second shaft 23-2 and the limiting bolt 23-3, the first conical surface 25-11 is contacted with the second conical surface 23-21, the deformable block 25-3 is supported and deformed by the second conical surface 23-21, and the end part of the deformable block 25-3 is expanded from inside to outside to reserve a blind hole 201, so that the purpose of clamping the motor shaft 200 is achieved;

the baffle ring 23-5 is of a circular ring block structure, is in threaded connection with the first shaft 23-1 to form a blocking and limiting spring 23-4, and is connected with at least one fourth threaded pin on the baffle ring 23-5, and the fourth threaded pin is propped against the first shaft 23-1, so that the baffle ring 23-5 is more reliably connected with the first shaft 23-1, the baffle ring 23-5 cannot loosen, and the reliability of the structure is better;

The sliding sleeve 24 has a shape of a T, one end of the sliding sleeve is contacted with the spring 23-4, and the other end of the sliding sleeve is provided with a waist-shaped through groove 24-1 and a concave-convex tooth section 24-2; the waist-shaped through groove 24-1 is penetrated out by the limiting bolt 23-3, so that guidance is formed, the sliding sleeve 24 can not rotate when moving, and the sliding sleeve can move smoothly along a straight line all the time; the concave-convex tooth section 24-2 is meshed with the second gear 26-4, and when the second gear 26-4 rotates, the sliding sleeve 24 can be linked to move along a straight line;

the outer edge of the deformable inner support member 25 is of a stepped shaft structure, a second stepped through hole 25-1 is formed in the middle of the deformable inner support member, the deformable inner support member is sleeved on the second shaft 23-2 through the second stepped through hole 25-1, and one end of the second stepped through hole 25-1 is provided with a first conical surface 25-11;

six first through grooves 25-2 are formed in the deformable inner support piece 25, the first through grooves 25-2 are communicated with the second stepped through holes 25-1, the part of the deformable inner support piece 25 is divided into six deformable blocks 25-3, the deformable blocks 25-3 are provided with the first conical surfaces 25-11, the deformable blocks 25-3 are matched with the second conical surfaces 23-21 on the second shaft 23-2 in a contact manner through the first conical surfaces 25-11, the deformable blocks 25-3 are spread and deformed by the second conical surfaces 23-21, and the end reserved blind holes 201 are expanded from inside to outside by the deformable blocks 25-3;

The first through groove 25-2 includes: an elongated groove body 25-21, one end of which penetrates through a part of the deformable inner support member 25, and a kidney-shaped groove body 25-22, which is communicated with the other end of the elongated groove body 25-21 and penetrates through a part of the deformable inner support member 25;

the sum of the length dimensions of the strip-shaped groove body 25-21 and the waist-shaped groove body 25-22 is 3/4 of the length dimension of the deformable inner support member 25; the control of the length dimension is beneficial to the elasticity of the deformable block 25-3, the elastic deformation and the return can be realized, and the purpose of clamping or loosening the motor shaft 200 is realized;

the rotary pusher 26 includes: an outer cylinder 26-1 connected to the support jacket 21, the outer cylinder 26-1 having a first through hole 26-11, the first through hole 26-11 communicating with the first stepped through hole 21-1; two first bearing seats 26-2 symmetrically connected to the outer cylinder 26-1; a third shaft 26-3 penetrating at the first through hole 26-11, connected with the first bearing housing 26-2, and having an end protruding from the first bearing housing 26-2; a second gear 26-4, connected to the third shaft 26-3, disposed in the first through hole 26-11, for shifting the sliding sleeve 24 to move along the elastic supporting structure 23; and a first threaded pin 26-5 connected to the outer cylinder 26-1 for limiting the third shaft 26-3;

The outer cylinder 26-1 is of a cylindrical structure and is welded with the supporting jacket 21;

the first bearing support 26-2 is of a construction commonly used in the art, such as: a flange bearing housing connected to the outer cylinder 26-1 by a bolt member for supporting and connecting the third shaft 26-3, and the third shaft 26-3 can freely rotate;

the third shaft 26-3 is a stepped shaft;

the second gear 26-4 is tightly matched with the third shaft 26-3, the second gear 26-4 is meshed with the concave-convex tooth section 24-2, and when the second gear 26-4 rotates, the sliding sleeve 24 can be linked to move along a straight line;

the first threaded pin 26-5 is in threaded connection with the outer cylinder 26-1 and is used for propping against the third shaft 26-3 and limiting the third shaft 26-3;

when the motor shaft 200 is clamped, the third shaft 26-3 on the first elastic inner supporting part 20 is rotated anticlockwise, the second gear 26-4 is rotated, the sliding sleeve 24 and the deformable inner supporting part 25 are linked to move towards the direction of the spring 23-4, the spring 23-4 is compressed, the first conical surface 25-11 on the deformable inner supporting part 25 is separated from the second conical surface 23-21, the deformable block 25-3 is reset, the first threaded pin 26-5 is locked, the third shaft 26-3 is limited, a reserved blind hole 201 at one end of the motor shaft 200 is abutted against the inner retaining sleeve 22, the second shaft 23-2 and the deformable inner supporting part 25 are sleeved, the first threaded pin 26-5 is loosened, the sliding sleeve 24 and the deformable inner supporting part 25 move towards the reserved blind hole 201 at the end under the action of the spring 23-4, the first conical surface 25-11 is contacted with the second conical surface 23-21, the deformable block 25-3 is expanded by the second conical surface 23-21, and the deformable block 25-3 is expanded from inside to outside at the reserved blind hole 201;

Another embodiment is:

as shown in fig. 1, 2, 3, 8 and 9; in practice, the position adjusting unit 40 includes: the bottom of the first seat body 41 is in sliding connection with the first chute 10-1 on the bottom plate 10, and the top of the first seat body 41 is provided with a third step through hole 41-1; a first bearing 42 connected in the third stepped through hole 41-1; a connecting sleeve body 43, one end of which is connected with the first bearing 42, and the other end of which is connected with the second elastic inner support part 30; the first clamp spring 44 is connected to the connecting sleeve body 43 and used for blocking the first bearing 42; a first side cover 45 connected to the top side wall of the first seat 41 and surrounding the connecting sleeve 43 to press the first bearing 42; a heat sink 46 connected to the second elastic inner support 30 and spaced apart from the first bearing 42; a cover body 47 connected to the first housing 41 and covering the heat sink 46; a position linkage member 48 connected to the base plate 10 and the first seat 41, for linking the sliding position of the first seat 41 along the first chute 10-1; and a second threaded pin 49 connected to the first seat 41, abutting against the bottom plate 10, limiting the first seat 41;

The first housing 41 includes: l-shaped legs 41-2; two first sliding blocks 41-3 connected to the bottoms of the L-shaped support legs 41-2 and slidably connected with the first sliding grooves 10-1; two triangular reinforcing plates 41-4 connected to the L-shaped legs 41-2 at intervals; and a cylindrical block 41-5 attached to the top of the L-shaped leg 41-2 and having the third stepped through hole 41-1;

the first bearing 42 is of a construction commonly used in the art, such as: a deep groove ball bearing or the like connected to the third stepped through hole 41-1, capable of reliably supporting and connecting the connecting sleeve body 43, and the connecting sleeve body 43 being freely rotatable;

the connecting sleeve body 43 is of a ladder-shaped structure, one end of the connecting sleeve body is connected with the first bearing 42, and the other end of the connecting sleeve body is connected with the supporting outer sleeve 21 on the second elastic inner supporting part 30 through an inner hexagonal bolt piece after being inserted and connected; the middle part of the connecting sleeve body 43 is provided with a second through hole, which is beneficial to arranging the elastic supporting structure 23 and the sliding sleeve 24 on the second elastic inner supporting part 30;

the first clamp spring 44 is of a common structure in the prior art, is clamped on the connecting sleeve body 43 to form a barrier, prevents the connecting sleeve body 43 from being separated from the first bearing 42, and has good structural reliability;

The first side cover body 45 is of a circular ring-shaped plate structure and is connected with the cylindrical block 41-5 through a bolt piece to block the first bearing 42, so that the first bearing 42 is prevented from being separated from the third step through hole 41-1, and the reliability of the structure is good;

the heat sink 46 includes: a fourth shaft 46-1 having one end connected to the first shaft 23-1; a wind impeller 46-2 connected to the other end of the fourth shaft 46-1; the second clamp spring 46-3 is connected to the other end of the fourth shaft 46-1 and limits the fan impeller 46-2; the fourth shaft 46-1 has a T-shaped structure in shape, and one end is connected with the first shaft 23-1 through a bolt; the wind impeller 46-2 is of a construction commonly used in the art, such as: the middle part of the fan blade on the electric fan is tightly matched with the fourth shaft 46-1; the second clamp spring 46-3 is of a common structure in the prior art, is clamped on the fourth shaft 46-1 to form a barrier, prevents the wind impeller 46-2 from being separated from the fourth shaft 46-1, and has good structural reliability; the heat dissipation element 46 rotates along with the second elastic inner supporting part 30, so that air circulation is accelerated, the temperature of the first bearing 42 can be reduced, the rotation reliability of the first bearing 42 is better, and the first bearing 42 cannot be blocked due to overheating;

the shield body 47 is connected with the cylindrical block 41-5 through the bolt pieces, so that the blocking is formed, the safety is relatively good, and the appearance is attractive;

The position linkage 48 includes: a second base 48-1 connected to the base plate 10; the linkage threaded rod 48-2 is threaded on the second seat body 48-1 and is in threaded connection with the second seat body 48-1; a bearing housing 48-3 attached to the first housing 41; a second bearing 48-4 connected to the bearing housing 48-3 and connected to one end of the link threaded rod 48-2; the third clamp spring 48-5 is connected to the linkage threaded rod 48-2 and limits the second bearing 48-4 and the linkage threaded rod 48-2; the second side cover 48-6 is connected to the second seat 48-1 and surrounds the linkage threaded rod 48-2 to press the second bearing 48-4; a hand wheel body 48-7 connected to the other end of the linkage threaded rod 48-2 for rotating the linkage threaded rod 48-2; an organ cover 48-8 connected between the second seat 48-1 and the first seat 41, covering a part of the linkage threaded rod 48-2, the bearing housing 48-3, the second bearing 48-4, the third clamp spring 48-5 and the second side cover 48-6; the second seat body 48-1 is approximately of a T-shaped structure, the bottom is connected with the bottom plate 10 through a bolt, the installation and the disassembly are convenient, and a reliable supporting structure is formed; the linkage threaded rod 48-2 is in threaded connection with a threaded through hole on the second seat body 48-1, and when the linkage threaded rod 48-2 is rotated, the linkage threaded rod 48-2 moves along the second seat body 48-1; the bearing jacket 48-3 has a T-shaped structure in shape, is connected with the L-shaped support legs 41-2 through bolt pieces, and has a fourth stepped through hole in the middle part of the bearing jacket 48-3; the second bearing 48-4 is of a construction commonly used in the art, such as: deep groove ball bearings or the like connected at the fourth stepped through hole, connected to one end of the linkage threaded rod 48-2, and the linkage threaded rod 48-2 being freely rotatable; the third clamp spring 48-5 is of a common structure in the prior art and is clamped on the linkage threaded rod 48-2 to form a block, so that the second bearing 48-4 is prevented from being separated from the linkage threaded rod 48-2, and the connection reliability is good; the second side cover body 48-6 is of a circular annular plate-shaped structure, is connected with the second seat body 48-1 through a bolt piece, blocks the second bearing 48-4, prevents the second bearing 48-4 from being separated from the fourth stepped through hole, and has good structural reliability; the hand wheel body 48-7 is of a common structure in the prior art, and is connected to the other end of the linkage threaded rod 48-2, so that the hand wheel body is convenient for an operator to grasp and rotate; the organ cover 48-8 is a common structure in the prior art, one end of the organ cover is connected to the L-shaped supporting leg 41-2 through a bolt piece, and the other end of the organ cover is connected to the second seat 48-1 through a bolt piece, so that dust can be prevented, and the organ cover is relatively attractive;

The second threaded pin 49 is of a structure commonly used in the prior art, is in threaded connection with the L-shaped support leg 41-2, abuts against the bottom plate 10, and is used for limiting the first seat body 41;

a position adjusting part 40 is provided, when the motor shaft 200 is clamped, one end of the motor shaft 200 is clamped by the first elastic inner supporting part 20, the operator rotates the third shaft 26-3 on the second elastic inner supporting part 30 clockwise, the second gear 26-4 moves the position of the linkage sliding sleeve 24 and the deformable inner supporting piece 25 towards the direction of the spring 23-4, the spring 23-4 is compressed, the first conical surface 25-11 on the deformable inner supporting piece 25 is separated from the second conical surface 23-21, the deformable block 25-3 returns to the position, the first threaded pin 26-5 is locked, the third shaft 26-3 is limited, the operator rotates the manual body 48-7 clockwise, the linkage threaded rod 48-2 moves the position along the second seat 48-1, pushing the first seat 41 to slide along the first sliding chute 10-1 on the bottom plate 10 until the inner retaining sleeve 22 on the second elastic inner supporting part 30 abuts against the end reserved blind hole 201 on the other end of the motor shaft 200, sleeving the end reserved blind hole 201 on the second shaft 23-2 and the deformable inner supporting part 25, loosening the first threaded pin 26-5, moving the sliding sleeve 24 and the deformable inner supporting part 25 to the direction of the end reserved blind hole 201 under the action of the spring 23-4, enabling the first conical surface 25-11 to contact with the second conical surface 23-21, expanding and deforming the deformable block 25-3 by the second conical surface 23-21, expanding and tightening the position of the end reserved blind hole 201 from inside to outside, and locking the second threaded pin 49 after the motor shaft 200 is clamped and positioned;

Another embodiment is:

as shown in fig. 1, 3 and 10; in practice, the synchronous drive 50 comprises: the bottom of the third seat body 51 is in sliding connection with the second chute 10-2 on the bottom plate 10; two second bearings 52 spaced apart from each other and connected to the top of the third housing 51; and a transmission shaft body 53 connected to the second bearing housing 52, one end of which is engaged with the first gear 21-2 on the first elastic inner support portion 20, and the other end of which is engaged with the first gear 21-2 on the second elastic inner support portion 30;

the third housing 51 includes: a first T-shaped seat 51-1, on top of which said second bearing seat 52 is connected; the two second sliding blocks 51-2 are symmetrically connected to the bottom of the first T-shaped seat 51-1 and are in sliding connection with the second sliding groove 10-2; the third seat body 51 forms a reliable supporting structure, and is in sliding connection with the second sliding chute 10-2 through the second sliding block 51-2, so that the use flexibility is good;

second bearing housing 52 is of a construction commonly used in the art, such as: the SN-type split bearing housing is connected to the top of the first T-shaped seat 51-1 by a bolt, and can reliably support the transmission shaft body 53, and the transmission shaft body 53 can freely rotate;

The middle part of the transmission shaft body 53 is connected and supported by the second bearing seat 52, the end part is provided with a convex tooth 53-2, the convex tooth 53-2 is meshed with the first gear 21-2, and the spindle box 100 is linked with the first elastic inner supporting part 20 to rotate, so that the synchronous transmission member 50, the motor shaft 200 and the second elastic inner supporting part 30 are linked to synchronously rotate, and the synchronism is relatively good;

the protruding teeth 53-2 are straight teeth, the length dimension of the protruding teeth 53-2 is larger than the thickness dimension of the first gear 21-2 (the length dimension of the protruding teeth 53-2 is at least five times of the thickness dimension of the first gear 21-2), the position of the first gear 21-2 can be moved along the protruding teeth 53-2, the protruding teeth 53-2 cannot be separated from the protruding teeth 53-2, the protruding teeth 53-2 are always meshed with the first gear 21-2, so that when the position adjusting part 40 links the second elastic internal supporting part 30 to move along the bottom plate 10, the position of the synchronous transmission piece 50 is relatively smooth, frequent adjustment of the position of the synchronous transmission piece 50 is not needed, and the operation is relatively convenient;

another embodiment is:

as shown in fig. 1, 2, 3, 11, 12, 13, and 14; in practice, the method further comprises the following steps: a first side support 60 connected to the base plate 10 and abutting against the first gear 21-2 and the transmission shaft 53 of the first elastic inner support 20;

The first side member 60 includes: the bottom of the fourth seat body 61 is in sliding connection with the third chute 10-3 on the bottom plate 10; two first arc-shaped blocks 62 symmetrically connected to the side wall of the fourth seat 61 near the top at intervals; two connecting arms 63 connected to the first arc-shaped blocks 62 one by one; two support arms 64 provided between the connection arms 63, connected one-to-one with the connection arms 63, and connected to each other between the support arms 64; two first gear assemblies 65 symmetrically connected to the support arm 64 and meshed with the first gears 21-2; a second gear assembly 66 connected to the support arm 64, engaged with the transmission shaft 53, and arranged in a triangle with the first gear assembly 65 between the second gear assembly 66; the third threaded pin 67 is connected to the fourth seat 61, abuts against the bottom plate 10, and limits the fourth seat 61;

the fourth housing 61 includes: a second T-shaped seat 61-1, wherein the side wall close to the top is connected with the first arc-shaped block 62; the two third sliding blocks 61-2 are symmetrically connected to the bottom of the second T-shaped seat 61-1 and are in sliding connection with the third sliding groove 10-3; the second T-shaped seat 61-1 forms a reliable supporting structure and is in sliding connection with the third sliding chute 10-3 through the third sliding block 61-2, so that the use flexibility is better;

The welding between the first arc-shaped block 62 and the second T-shaped seat 61-1 increases the contact area with the connecting arm 63, so that the connecting arm 63 can be reliably connected;

the connecting arm 63 is formed by bending a plate, is welded with the first arc-shaped block 62 and is used for penetrating a bolt member to connect the supporting arm 64, so that the supporting arm 64 is reliably supported and limited, and the reliability of the structure is good;

the support arm 64 includes: a bending arm 64-1 having one end disposed between the first arc blocks 62 and the other end extending in the direction of the first gear 21-2 and spaced apart from the first gear 21-2; and two L-shaped blocks 64-2 connected to the bending arms 64-1 at intervals, the L-shaped blocks 64-2 on one of the bending arms 64-1 being connected to the L-shaped blocks 64-2 on the other bending arm 64-1; the shape of the bending arm 64-1 is similar to a tiger-mouth-shaped structure, so that the bending arm is beneficial to extending to the first gear 21-2, after the first gear assembly 65 and the second gear assembly 66 are connected, the second gear assembly 66 and the first gear assembly 65 form triangular arrangement, the first elastic inner supporting part 20 and the transmission shaft body 53 can be reliably supported, when the first elastic inner supporting part 20 is linked with the transmission shaft body 53 to rotate, deflection and abdication of the transmission shaft body 53 occur, and the transmission synchronism is ensured; the L-shaped blocks 64-2 are formed by bending plates, are welded with the bending arms 64-1, and are connected by penetrating bolt pieces between the L-shaped blocks 64-2, so that the two support arms 64 can be connected together, and the assembly is convenient;

The first gear assembly 65 includes: two third bearing seats 65-1, which are connected to the bending arms 64-1 one to one; a fifth shaft 65-2 penetrating the bending arm 64-1 and connected to the third bearing block 65-1; and a third gear 65-3 connected to the fifth shaft 65-2 and disposed between the bending arms 64-1 to be engaged with the first gear 21-2; the third bearing seat 65-1 is of a construction commonly used in the art, such as: the flange bearing seat is connected to the bending arm 64-1 through a bolt member, so that the fifth shaft 65-2 can be reliably supported, and the fifth shaft 65-2 can freely rotate; the fifth shaft 65-2 is a stepped shaft; the third gear 65-3 is a straight gear, is tightly matched with the fifth shaft 65-2 and is meshed with the first gear 21-2, so that a supporting structure is formed, and the normal rotation of the first gear 21-2 is not influenced;

the second gear assembly 66 includes: two fourth bearing blocks 66-1, which are connected to the bending arms 64-1 one by one; a sixth shaft 66-2 penetrating the bending arm 64-1 and connected to the fourth bearing housing 66-1; and a fourth gear 66-3 connected to the sixth shaft 66-2 and disposed between the bending arms 64-1 to be engaged with the transmission shaft 53; the fourth bearing housing 66-1 is of a construction commonly used in the art, such as: the flange bearing block is connected to the bending arm 64-1 through a bolt member, so that the sixth shaft 66-2 can be reliably supported, and the sixth shaft 66-2 can freely rotate; the sixth shaft 66-2 is a stepped shaft; the fourth gear 66-3 is a straight gear, is tightly matched with the sixth shaft 66-2 and is meshed with the transmission shaft body 53, so that a supporting structure is formed, and the normal rotation of the transmission shaft body 53 is not affected;

The third threaded pin 67 is of a structure commonly used in the prior art, is in threaded connection with the second T-shaped seat 61-1, abuts against the bottom plate 10, and is used for limiting the first side leaning piece 60;

further comprises: at least two first guiding and limiting members 68, which are connected to the bending arms 64-1 one by one, are movably connected to the first annular groove 21-21 on the first gear 21-2 on the first elastic inner supporting portion 20, and when the first gear 21-2 rotates, the first guiding and limiting members 68 follow the first annular groove 21-21 to support and guide the first elastic inner supporting portion 20;

the first guide stopper 68 includes: the first outer sleeve 68-1 is threaded on the bending arm 64-1 and is in threaded connection with the bending arm 64-1, and one end of the first outer sleeve 68-1 is of a hexagonal structure; a first ball 68-2 disposed within the first outer jacket 68-1, and a portion of the first ball 68-2 protruding from the first outer jacket 68-1 rolls along the first annular groove 21-21; and a first inner stopper pin 68-3 screwed into the first outer jacket 68-1 to block the first ball 68-2, and a first inner cavity is formed between the first inner stopper pin 68-3 and the first ball 68-2 and the first outer jacket 68-1, and the first inner cavity accommodates grease;

The first ball 68-2 can rotate in the first inner cavity and contact with the first annular groove 21-21, so that the first ball can reliably support and guide the first elastic inner support part 20, and the friction resistance between the first ball and the first annular groove 21-21 is relatively small, and the smooth rotation of the first elastic inner support part 20 is not influenced;

the first outer sleeve 68-1 is in threaded connection with the bending arm 64-1, one end of the first outer sleeve 68-1 is of a hexagonal structure, so that an operator can rotate the first guide limiting piece 68 conveniently, the positions of the first ball 68-2 and the first annular groove 21-21 are adjusted, the first ball 68-2 and the first annular groove 21-21 can be contacted without being blocked, and the operation is relatively convenient;

the first sphere 68-2 is a metal sphere;

the first inner stop pin 68-3 is in threaded connection with the first outer sleeve 68-1 for adjusting the first inner cavity so that the first ball 68-2 can always rotate freely without jamming;

the first inner cavity accommodates grease, which increases the lubrication effect, so that the first ball 68-2 can smoothly rotate;

two first guiding limiting pieces 68 are arranged, triangular arrangement is formed with the first gear assembly 65, a reliable supporting structure is formed, and the third gear 65-3 is always meshed with the first gear 21-2 and cannot deviate and give way;

The first side leaning piece 60 is arranged to prevent the deflection and the abdication of the transmission shaft body 53 when the first elastic inner supporting part 20 is linked with the rotation of the transmission shaft body 53, so that the transmission synchronism is ensured;

another embodiment is:

as shown in fig. 3; in practice, the method further comprises the following steps: a first cover 70 connected to the base plate 10 to block the synchronous transmission member 50; a second cover 80 connected to the top of the fourth seat 61 to cover the first side member 60 and a part of the first elastic inner support 20; and a third cover 90 attached to the top of the first cover 70 to cover a part of the second elastic inner stay 30;

the first cover body 70 is formed by bending a plate, is connected with the bottom plate 10 through a bolt, forms a barrier, and is good in safety and relatively attractive;

the second cover 80 is formed by bending a plate, is connected with the fourth seat 61 through a bolt, forms a barrier, and has good safety and relatively attractive appearance;

the third cover body 90 is formed by bending a plate, is connected with the first cover body 70 through a bolt, forms a barrier, and is good in safety and relatively attractive;

another embodiment is:

as shown in fig. 14 and 15; in practice, the method further comprises the following steps: a second side leaning piece 910, opposite to the first side leaning piece 60, where the second side leaning piece 910 and the first side leaning piece 60 are respectively disposed at two sides of the third seat 51, the second side leaning piece 910 is connected to the third seat 51 and used for leaning against the transmission shaft 53, and the second side leaning piece 910 is used for supporting and guiding the transmission shaft 53 when the transmission shaft 53 rotates;

The second side rest 910 includes: a first bending frame 910-1, one end of which is connected to the third seat 51; a second bending frame 910-2 connected to the other end of the first bending frame 910-1; the second arc-shaped block 910-3 is connected to the second bending frame 910-2 and is arranged at intervals with the transmission shaft body 53; two second guiding and limiting members 910-4, which are connected to the second arc-shaped block 910-3 at intervals, are movably connected with the second annular groove 53-1 on the transmission shaft body 53; and an elastic bending support 910-5 connected to the second bending frame 910-2 for supporting the connection between the second bending frame 910-2 and the second arc block 910-3;

the first bending frame 910-1 is formed by assembling and welding plates, and one end of the first bending frame is connected with the third seat body 51 by penetrating a bolt; the second bending frame 910-2 is formed by bending a plate, has an L-shaped appearance, and is connected with the other end of the first bending frame 910-1 through a bolt; the second arc block 910-3 is welded with the second bending frame 910-2;

the second guide and stopper 910-4 includes: the second outer sleeve 910-41 is threaded on the second arc-shaped block 910-3 and is in threaded connection with the second arc-shaped block 910-3, and one end of the second outer sleeve 910-41 is of a hexagonal structure; a second ball 910-42 provided in the second outer jacket 910-41, and a part of the second ball 910-42 protruding from the second outer jacket 910-41 rolls along the second annular groove 53-1; and a second inner stopper pin 910-43 screwed into the second outer jacket 910-41 to block the second ball 910-42, and a second inner cavity is formed between the second inner stopper pin 910-43 and the second outer jacket 910-41 and the second ball 910-42, and the second inner cavity accommodates grease; the second outer sleeve 910-41 is in threaded connection with the second arc-shaped block 910-3, one end of the second outer sleeve 910-41 is of a hexagonal structure, so that an operator can rotate the second outer sleeve 910-41 conveniently, the positions of the second round balls 910-42 and the second annular groove 53-1 are adjusted, the second round balls 910-42 can be contacted with the second annular groove 53-1 and can not be blocked, and the operation is relatively convenient; the second spheres 910-42 are metal spheres; the second inner stop pin 910-43 is in threaded connection with the second outer sleeve 910-41, and is used for adjusting the second inner cavity, so that the second ball 910-42 can always rotate freely and cannot be blocked; the second cavity accommodates grease, which increases the lubrication effect, so that the second balls 910-42 can smoothly rotate;

The second ball 910-42 can rotate in the second inner cavity and contact with the second annular groove 53-1, so that not only can the transmission shaft body 53 be reliably supported and guided, but also the friction resistance between the second ball and the second annular groove 53-1 is relatively small, and the smooth rotation of the transmission shaft body 53 is not influenced;

the elastic bending support 910-5 is formed by bending a plate, one end of the elastic bending support is connected with the second bending frame 910-2 through a bolt, the other end of the elastic bending support supports the joint of the second bending frame 910-2 and the second arc-shaped block 910-3, the elastic bending support has elasticity (two bending positions are formed on a rectangular plate, one end of the elastic bending support is in a locking state, the other end of the elastic bending support is in a loosening state, certain elasticity is generated, and an elastic support effect is achieved), when the transmission shaft body 53 rotates, the second guiding limiting part 910-4 is touched, the second guiding limiting part 910-4 has the abdicating condition, and the elastic bending support 910-5 can support the joint of the second bending frame 910-2 and the second arc-shaped block 910-3, so that the second guiding limiting part 910-4 can be prevented from abdicating, and the reliability of the structure is good;

the second side leaning piece 910 is arranged to prevent the deflection and abdication of the transmission shaft body 53 when the transmission shaft body 53 is linked with the second elastic inner supporting part 30 to rotate, so that the transmission synchronism is ensured;

The structure in the prior art:

see fig. 1, 2, 3; in practice, the headstock 100 and the spindle through hole 101 are commonly used in the art, such as: in the prior art of the spindle box of the machine tool, the Chinese patent application number is 202020355791.0, the patent subject name is that the first elastic inner supporting part 20 is connected to the baffle ring, and after the person who has the ordinary skill in the art sees the disclosure, the person can directly and unambiguously know how to set the spindle box, and the person does not need to pay creative labor or perform excessive experiments;

the working principle is as follows: one end of the motor shaft 200 is limited by the first elastic inner support part 20, the position adjusting part 40 is linked with the second elastic inner support part 30 to move along the bottom plate 10, the second elastic inner support part 30 is used for limiting the other end of the motor shaft 200, the motor shaft 200 is limited between the first elastic inner support part 20 and the second elastic inner support part 30, the synchronous transmission piece 50 is connected with the first elastic inner support part 20 and the second elastic inner support part 30, the spindle box 100 is linked with the first elastic inner support part 20 to rotate, and therefore the synchronous transmission piece 50, the motor shaft 200 and the second elastic inner support part 30 are linked to synchronously rotate, the clamping effect is relatively good, the synchronism is relatively good, and the purpose of machining precision is guaranteed;

In the description, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", etc. indicate orientations or positional relationships based on the positional relationships described in the drawings, and are merely for convenience of description or simplification of description, and do not indicate a specific orientation that must be possessed; the operation process described in the embodiment is not an absolute use step, and can be adjusted correspondingly in actual use;

unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art; the terms "first," "second," and the like in the description and in the claims, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another, and likewise, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one of the components, and the terms "a" or "an" and the like, as appropriate for the context of the embodiments;

the above description is only of the preferred embodiments, but the scope of protection is not limited to the above description, and any equivalent or modified embodiments according to the technical scheme and the inventive concept disclosed by those skilled in the art should be covered in the scope of protection.

Claims

1. New energy automobile motor shaft excircle grinds adds clamping apparatus, its characterized in that includes:

the bottom plate is connected to a workbench of the grinding machine;

the synchronous transmission piece is connected to the bottom plate in a sliding manner and connected with the first elastic inner supporting part and the second elastic inner supporting part, when the first elastic inner supporting part rotates, the synchronous transmission piece is linked to rotate, the synchronous transmission piece is linked to the second elastic inner supporting part to synchronously rotate along the position adjusting part, and the motor shaft rotates;

the first elastic inner stay portion or the second elastic inner stay portion includes: one end of the supporting sleeve is connected to the spindle box, a first stepped through hole is formed in the supporting sleeve, and a first gear is arranged on the outer circle of the supporting sleeve; the inner retaining sleeve is connected to the other end of the supporting sleeve, is locally arranged at the first step through hole and is used for abutting against the end part of the motor shaft and limiting the end part of the motor shaft; the elastic supporting structure penetrates through the first step through hole and is connected with the supporting sleeve, one end of the elastic supporting structure protrudes out of the inner retaining sleeve, the other end of the elastic supporting structure protrudes out of the first step through hole, and the other end of the elastic supporting structure is arranged in the spindle through hole on the spindle box; the sliding sleeve is sleeved on the elastic supporting structure and is arranged in the first step through hole and is in sliding connection with the elastic supporting structure; the deformable inner support piece is sleeved on the elastic supporting structure, one end of the deformable inner support piece is connected with the sliding sleeve, the other end of the deformable inner support piece protrudes out of the inner retaining sleeve, and the deformable inner support piece is used for tensioning the motor shaft from inside to outside; the rotary pushing piece is connected to the supporting sleeve and used for stirring the sliding sleeve and the deformable inner supporting piece to move along the elastic supporting structure, and the deformable inner supporting piece loosens the motor shaft;

The elastic support structure includes: a first shaft, one end of which passes through the first stepped through hole and the other end of which protrudes out of the first stepped through hole and is arranged in the main shaft through hole; one end of the second shaft penetrates through the first stepped through hole and is connected with the first shaft, the other end of the second shaft protrudes out of the first stepped through hole and is arranged at intervals with the inner retaining sleeve, and the other end of the second shaft is inserted into the end reserved blind hole on the motor shaft; the limiting bolt is spliced on the supporting sleeve and spliced with the second shaft to limit the supporting sleeve and the second shaft; the spring is sleeved on the first shaft and is arranged in the main shaft through hole; and the baffle ring is connected to the other end of the first shaft and limits the spring.

2. The new energy automobile motor shaft excircle grinding fixture according to claim 1, wherein: the outer edge of the deformable inner support piece is of a stepped shaft structure, a second stepped through hole is formed in the middle of the deformable inner support piece, the deformable inner support piece is sleeved on the second shaft through the second stepped through hole, and one end of the second stepped through hole is provided with a first conical surface;

3. The new energy automobile motor shaft excircle grinding fixture according to claim 2, wherein: the rotary pusher includes: the outer cylinder body is connected to the supporting jacket and provided with a first through hole, and the first through hole is communicated with the first stepped through hole; the two first bearing seats are symmetrically connected to the outer cylinder body; the third shaft penetrates through the first through hole and is connected with the first bearing seat, and the end part of the third shaft protrudes out of the first bearing seat; the second gear is connected to the third shaft and arranged in the first through hole and is used for poking the sliding sleeve to move along the elastic supporting structure; and the first threaded pin is connected to the outer cylinder body and limits the third shaft.

4. The new energy automobile motor shaft excircle grinding clamp according to claim 3, wherein: the position adjustment section includes: the bottom of the first seat body is in sliding connection with a first sliding groove on the bottom plate, and a third stepped through hole is formed in the top of the first seat body; the first bearing is connected in the third stepped through hole; one end of the connecting sleeve body is connected with the first bearing, and the other end of the connecting sleeve body is connected with the second elastic inner supporting part; the first clamp spring is connected to the connecting sleeve body and used for blocking the first bearing; the first side cover body is connected to the top side wall of the first seat body, surrounds the connecting sleeve body and presses the first bearing; the heat dissipation piece is connected to the second elastic inner supporting part and is arranged at intervals with the first bearing; the shield body is connected to the first seat body and covers the heat dissipation piece; the position linkage piece is connected to the bottom plate and the first seat body and is used for linking the sliding position of the first seat body along the first sliding chute; and the second threaded pin is connected to the first seat body and is propped against the bottom plate to limit the first seat body.

5. The fixture for grinding the outer circle of the motor shaft of the new energy automobile according to claim 4, wherein: the heat sink includes: a fourth shaft, one end of which is connected with the first shaft; a wind impeller connected to the other end of the fourth shaft; the second clamp spring is connected to the other end of the fourth shaft and limits the fan impeller;

6. The fixture for grinding the outer circle of the motor shaft of the new energy automobile according to claim 5, wherein: the synchronous transmission member includes: the bottom of the third seat body is in sliding connection with a second chute on the bottom plate; two second bearings, which are connected at intervals on the top of the third seat body; and the transmission shaft body is connected to the second bearing body, one end of the transmission shaft body is meshed with the first gear on the first elastic inner supporting part, and the other end of the transmission shaft body is meshed with the first gear on the second elastic inner supporting part.

7. The fixture for grinding the outer circle of the motor shaft of the new energy automobile according to claim 6, wherein: further comprises: the first side leaning piece is connected to the bottom plate and butts against the first gear and the transmission shaft body on the first elastic inner supporting part;

8. The new energy automobile motor shaft excircle grinding fixture according to claim 7, wherein: further comprises: the first cover body is connected to the bottom plate and used for blocking the synchronous transmission piece; the second cover body is connected to the top of the fourth seat body and covers the first side leaning piece and part of the first elastic inner supporting part; and a third cover body connected to the top of the first cover body and covering a part of the second elastic inner support portion.