CN115139086A

CN115139086A - Automatic install and remove dabber device

Info

Publication number: CN115139086A
Application number: CN202210699414.2A
Authority: CN
Inventors: 刘华中; 刘俊华; 郭聪聪; 马雪琳; 娄亚军
Original assignee: Beijing Research Institute of Auotomation for Machinery Industry Co Ltd
Current assignee: Beijing Research Institute of Auotomation for Machinery Industry Co Ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-10-04
Anticipated expiration: 2042-06-20
Also published as: CN115139086B; WO2023246362A1

Abstract

An automatic assembly and disassembly mandrel device comprising: the rotary table mechanism comprises a base and a precise rotary table arranged on the base, wherein a plurality of rotary stations are uniformly distributed on the precise rotary table, each rotary station is provided with a positioning shaft sleeve, and each rotary station comprises a hollow station, a processing station and an intermediate station; the screwing and unscrewing mechanism is arranged on one side of the precision rotary table corresponding to the machining station, and comprises a main beam and an automatic screwing machine arranged on the main beam, wherein the automatic screwing machine is arranged above the precision rotary table opposite to the machining station, and the automatic screwing machine is provided with a machining position and an original position relative to the machining station respectively; the counter torque mechanism is arranged below the precision rotary table opposite to the machining station and is provided with a working position and a returning position relative to the machining station respectively; the precise rotary table rotates once to drive the positioning shaft sleeve to move one station for positioning so as to sequentially convey the spindle head parts of the core shaft to be mounted or dismounted.

Description

Automatic install and remove dabber device

Technical Field

The invention relates to a spindle head part assembling and disassembling mandrel device, in particular to an automatic assembling and disassembling mandrel device capable of realizing automation of assembling and disassembling a mandrel head part.

Background

In the prior art, before the end face and the outer circle face of a spindle head part installed on an automobile are machined, a mandrel with a locking nut and an expansion sleeve needs to be stringed firstly, then the locking nut is screwed up to enable the expansion sleeve to expand an inner hole of the spindle head part, and then the mandrel is put on a machine tool along with a workpiece to machine the end face and the outer circle face; and after the machining is finished, the clamping nut is taken down from the machine tool, the expansion sleeve has a contraction space by unscrewing the clamping nut, and the mandrel is separated from the workpiece. At present, installing a mandrel, screwing and unscrewing a lock nut, separating the mandrel from a workpiece and the like are all completed manually; and the tightening torque of the locking nut in the process of assembling and disassembling the mandrel reaches about 300Nm, and a large number of mandrels need to be assembled and disassembled every day in each factory, so that the workload of manually assembling and disassembling the mandrels is large, the time and the labor are wasted, and the assembly and disassembly are inconvenient. In summary, the prior art mainly has the following defects:

1) The locking nut has large torque and high labor intensity in the process of assembling and disassembling the mandrel;

2) The assembly and disassembly amount of the mandrel is large, so that the fatigue of workers is easily caused;

3) The manual assembly and disassembly are realized, and the working efficiency is low;

4) The torque control precision of the locking nut is low, and the checking is inconvenient.

Disclosure of Invention

The invention aims to solve the technical problem of the prior art, and provides an automatic spindle mounting and dismounting device to realize the automation of spindle mounting and dismounting of spindle head parts.

In order to achieve the above object, the present invention provides an apparatus for automatically assembling and disassembling a spindle, in which a spindle for automatically assembling and disassembling a head part includes:

the rotary table mechanism comprises a base and a precise rotary table arranged on the base, wherein a plurality of rotary stations are uniformly distributed on the precise rotary table, each rotary station is provided with a positioning shaft sleeve for inserting a mandrel of a spindle head part, and the plurality of rotary stations comprise empty stations, machining stations and intermediate stations;

the tightening and loosening mechanism is arranged on one side of the precision rotary table corresponding to the machining station and comprises a main beam and an automatic tightening machine arranged on the main beam, the automatic tightening machine is arranged above the precision rotary table and right faces the machining station, and the automatic tightening machine is provided with a machining position and an original position relative to the machining station; and

the counter torque mechanism is arranged below the precision rotary table opposite to the machining station and used for providing torque opposite to the screwing and unscrewing mechanism, and the counter torque mechanism is provided with a working position and a withdrawing position relative to the machining station respectively;

the precise rotary table rotates once to drive the positioning shaft sleeve to move one station for positioning so as to sequentially convey the spindle head parts of the core shaft to be mounted or dismounted.

The automatic assembly and disassembly mandrel device further comprises:

and the clamping and pushing-loosening mechanism is arranged on one side of the precise rotary table just opposite to the processing station and is used for loosening the expansion sleeve of the spindle head part and the spindle.

The aforesaid is installed and removed dabber device automatically, wherein, chucking top loose mechanism includes:

the base plate is connected with the main beam;

the clamping part comprises a clamping plate, a clamping air cylinder and a clamping moving member, the clamping plate is arranged on the clamping moving member and connected with the clamping air cylinder, the clamping moving member and the clamping air cylinder are respectively arranged on the base plate, and the front end of the clamping plate is provided with a clamping part for clamping the mandrel on the positioning shaft sleeve; and

the top loose part comprises a top loose plate, a top loose base, a top loose moving piece and a top loose cylinder, wherein the top loose plate is connected with the top loose base through the top loose moving piece, the top loose base is respectively connected with the top loose cylinder and the base plate, and the front end of the top loose plate is provided with a lifting part used for supporting the lower surface of the shaft head part.

Foretell automatic dabber device of installing and removing, wherein, the chucking moving member includes chucking guide rail and chucking slider, the chucking guide rail is installed the upper surface of base plate, the chucking slider is installed on the chucking guide rail, the chucking board is installed on the chucking slider.

The automatic assembly and disassembly mandrel device is characterized in that the clamping part is of a V-shaped structure, a clamping opening is formed in one side of the positioning shaft sleeve, and the end face of the V-shaped structure penetrates through the clamping opening to be clamped on the end clamping groove of the mandrel, so that the mandrel is clamped on the positioning shaft sleeve.

The automatic mandrel mounting and dismounting device comprises a top loose moving piece, a top loose base and a top loose guide pillar, wherein the top loose moving piece comprises a top loose guide sleeve and a top loose guide pillar; the top loose plate is installed at the top end of the top loose guide pillar, an air cylinder connecting block is arranged at the lower end of the top loose guide pillar and connected with the top loose air cylinder, and the top loose air cylinder is fixed on the lower surface of the frame of the top loose base.

In the automatic mandrel assembling and disassembling device, the top loose part further comprises a traversing cylinder for driving the top loose base to move horizontally, a cylinder rod of the traversing cylinder is connected with the side surface of the top loose base, and the bottom of the traversing cylinder is mounted on the substrate; the top loose moving piece further comprises a base guide rail and a base sliding block, the base guide rail is installed on the lower surface of the base plate, the base sliding block is installed on the base guide rail, and the top loose base is installed on the base sliding block.

The automatic spindle mounting and dismounting device is characterized in that the counter torque mechanism comprises:

the lifting seat is arranged on the base through a sliding piece;

the lifting cylinder is arranged on the base and is connected with the lifting seat through a lifting cylinder connecting block, and the lifting cylinder drives the lifting seat to move up and down along the sliding piece so as to respectively switch the working position and the return position; and

the tightening sleeve is installed at the top end of the lifting seat, a tightening head is installed in a central guide hole of the tightening sleeve, the tightening head is of an outer hexagonal cylinder structure and is matched with an inner hexagonal counter bore in the bottom of the mandrel, and the tightening head is inserted into the inner hexagonal counter bore to prevent the mandrel from rotating.

In the above automatic spindle mounting and dismounting device, the central guide hole of the tightening sleeve is in a hexagon socket structure for guiding the tightening head up and down and preventing the tightening head from rotating, a spring for elastically jacking the tightening head is arranged at the lower part of the tightening sleeve, and when the top pressure of the tightening head is greater than the weight of the spindle, the tightening head naturally retracts to prevent the spindle from being ejected out of the positioning sleeve.

Foretell dabber device is installed and removed in automation, wherein, the girder is L type structure, the bottom of girder with the base is connected, the stand of girder with accurate revolving platform is perpendicular, the side-mounting of girder has motor drive's elevating guide, install the removal slider on the elevating guide, install the lift mount pad on the removal slider, automatic screwing up machine is installed lift mount pad front end, the sleeve of unscrewing is installed to automatic screwing up machine's the axle lower extreme of screwing up, automatic screwing up machine's the axis of screwing up the axle with the axis of processing station's location axle sleeve is coaxial.

The invention has the technical effects that:

the spindle head part assembling and disassembling device can realize automation of spindle head part assembling and disassembling, and can be matched with a manipulator to complete the operation of automatically assembling and disassembling the spindle head part; the whole structure is simple and compact, and the operation, the maintenance and the maintenance are convenient; the full-automatic process of assembling and disassembling the spindle head part from the spindle can be realized, and the modularization of the structural unit is also realized.

The invention is described in detail below with reference to the drawings and specific examples, but the invention is not limited thereto.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 in another direction;

FIG. 3 is a schematic structural diagram of a turntable mechanism according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a counter moment mechanism according to an embodiment of the present invention;

FIG. 5 is a side view of FIG. 4;

FIG. 6 is a schematic view of a clamping and releasing mechanism according to an embodiment of the present invention;

FIG. 7 is a schematic view of the structure of FIG. 6 in another direction;

fig. 8 is a schematic structural view of a tightening and loosening mechanism according to an embodiment of the present invention.

Wherein the reference numerals

100 spindle nose part

200 mandrel

300 lock nut

400 expansion sleeve

1 turntable mechanism

11 precision rotary table

12 positioning shaft sleeve

13 chucking the opening

14 base

2 counter-torque mechanism

21 tightening head

22 tightening sleeve

23 guide rail

24 sliding block

25 lifting seat

26-lifting cylinder connecting block

27 lifting cylinder

28 spring

29 lifting cylinder seat

3 clamping and jacking mechanism

31 base plate

32 top loose part

321 top loose base

322 top loose plate

323 push-loose guide post

324 top loose guide sleeve

325 top loose cylinder

326 cylinder connecting block

327 base guide rail

328 base slide block

329 sideslip cylinder

33 clamping part

331 clamping plate

332 clamping the guide rail

333 clamping slide block

334 clamping part

335 clamping cylinder

4 screwing and unscrewing mechanism

41 Main beam

42 automatic tightening machine

43 lifting mounting base

44 screw-down and screw-off sleeve

45 lifting guide rail

46 moving slide block

Detailed Description

The structural and operational principles of the present invention are described in detail below with reference to the accompanying drawings:

referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of an embodiment of the present invention, fig. 2 is a schematic structural diagram of another direction of fig. 1, and fig. 3 is a schematic structural diagram of a turntable mechanism 1 according to an embodiment of the present invention. The invention relates to a device for automatically assembling and disassembling a mandrel 200, which is used for realizing the automation of assembling and disassembling the mandrel 200 by a shaft head part 100 and can be matched with a manipulator to complete the work of automatically assembling and disassembling the mandrel 200 by the shaft head part 100; the whole structure is simple and compact, and the operation, the maintenance and the maintenance are convenient. The invention relates to an automatic assembly and disassembly mandrel 200 device, which is used for automatically assembling and disassembling a mandrel 200 of a shaft head part 100, and comprises: the rotary table mechanism 1 comprises a base 14 and a precise rotary table 11 arranged on the base 14, wherein a plurality of rotary stations are uniformly distributed on the precise rotary table 11, each rotary station is provided with a positioning shaft sleeve 12 for inserting a mandrel 200 of a shaft head part 100, and the plurality of rotary stations comprise an empty station, a processing station and an intermediate station; a tightening and loosening mechanism 4 provided on one side of the precision turret 11 in correspondence with the machining station, the tightening and loosening mechanism 4 including a main beam 41 and an automatic tightening machine 42 mounted on the main beam 41, the automatic tightening machine 42 being provided above the precision turret 11 in opposition to the machining station, and the automatic tightening machine 42 having a machining position and an original position with respect to the machining station, respectively; the counter torque mechanism 2 is arranged below the precision rotary table 11 opposite to the machining station and used for providing torque opposite to that of the screwing and unscrewing mechanism 4, and the counter torque mechanism 2 is provided with a working position and a withdrawing position relative to the machining station respectively; the precise rotary table 11 drives the positioning shaft sleeve 12 to move one station for positioning once rotating so as to sequentially convey the spindle head parts 100 of the spindle 200 to be mounted or dismounted. The present embodiment may further include: and the clamping and ejecting mechanism 3 is arranged on one side of the precision rotary table 11 opposite to the processing station and is used for loosening the shaft head part 100 and the expansion sleeve 400 of the mandrel 200.

The precise rotary table 11 is preferably a step rotary mechanism with precise indexing, a motor and a standard indexing mechanism are installed in a base 14 at the lower part of the precise rotary table 11, 2, 3, 4 or more rotary stations can be set on the precise rotary table 11 according to requirements, the figure shows that the rotary stations are 4 stations, namely 4 stations are respectively provided with a

positioning shaft sleeve

12,4 positioning shaft sleeves 12 are uniformly distributed on the precise rotary table 11, an inner hole of each positioning shaft sleeve 12 is a through hole and is in clearance fit with the bottom shaft diameter of the mandrel 200, namely the mandrel 200 can be inserted into the positioning shaft sleeves 12 for positioning. When the precise rotary table 11 stops rotating every time horizontally, the shaft sleeve moves one station for positioning, and the shaft head parts 100 with the mandrel 200 above the positioning shaft sleeve 12 are sequentially conveyed

Referring to fig. 4 and 5, fig. 4 is a schematic structural diagram of a counter torque mechanism 2 according to an embodiment of the present invention; fig. 5 is a side view of fig. 4. In this embodiment, the counter torque mechanism 2 includes: the lifting seat 25 is arranged on the base 14 through a sliding piece, the sliding piece comprises a sliding block 24 and a guide rail 23, the sliding block 24 is arranged on the side surface of the lifting seat 25, and the sliding block 24 and the guide rail 23 are assembled together, so that the lifting seat 25 can slide up and down along the guide rail 23 under the action of external force; the lifting cylinder 27 is installed on the base 14 and is connected with the lifting seat 25 through a connecting block 26 of the lifting cylinder 27, and the lifting cylinder 27 drives the lifting seat 25 to move up and down along the sliding piece so as to respectively switch the working position and the withdrawing position; and a tightening sleeve 22 installed on the upper surface of the top end of the lifting seat 25, wherein a tightening head 21 is installed in a central guide hole of the tightening sleeve 22, the tightening head 21 is in an outer hexagonal cylinder structure and is matched with an inner hexagonal counterbore at the bottom of the mandrel 200, and the tightening head 21 can be inserted into the inner hexagonal counterbore to prevent the mandrel 200 from rotating. Wherein the central guide hole of the tightening sleeve 22 is preferably of a hexagonal socket structure for guiding the tightening head 21 up and down and preventing the tightening head 21 from rotating, and the lower portion of the tightening sleeve 22 is provided with a spring 28 for elastically jacking up the tightening head 21, and if the top pressure of the tightening head 21 is greater than the weight of the spindle 200, the tightening head 21 is naturally retracted to prevent the spindle 200 from being pushed out of the positioning boss 12. After the guide rail 23 and the lifting cylinder seat 29 are installed on the side surface of the precision rotary table 11 and fixed, the cylinder rod of the lifting cylinder 27 is connected with the lifting seat 25 through the cylinder connecting block 326, and the counter moment part does lifting action under the telescopic action of the lifting cylinder 27; the spring 28 has a certain limit effect on the thrust force of the counter torque head 21, and if the pressure on the upper part of the counter torque head 21 is too great, the spring 28 contracts and the counter torque head 21 contracts.

Referring to fig. 6 and 7, fig. 6 is a schematic structural view of the clamping and releasing mechanism 3 according to an embodiment of the present invention, and fig. 7 is a schematic structural view of fig. 6 in another direction. The clamping and ejecting mechanism 3 of the present embodiment includes: the base plate 31 is connected with the main beam 41, and the right side surface of the base plate is fixedly connected with the side vertical surface of the main beam 41 through a bolt with a connecting hole; the clamping part 33 comprises a clamping plate 331, a clamping cylinder 335 and a clamping moving member, the clamping plate 331 is mounted on the clamping moving member and connected with the clamping cylinder 335, the clamping moving member and the clamping cylinder 335 are respectively mounted on the base plate 31, and a clamping part 334 for clamping the mandrel 200 on the positioning shaft sleeve 12 is arranged at the front end of the clamping plate 331; and top pine part 32, loose base 321, the loose moving piece of top and the loose cylinder 325 including top pine board 322, top pine board 322 through top pine moving piece with top pine base 321 connects, top pine base 321 respectively with top pine cylinder 325 and base plate 31 are connected, the front end of top pine board 322 is provided with and is used for holding the portion of lifting of the lower surface of spindle nose part 100, and the portion of lifting prefers to be U type structure, can let open dabber 200 and hold the lower surface of spindle nose part 100 during forward movement, conveniently upwards lifts spindle nose part 100.

Wherein, the chucking moving member includes chucking guide rail 332 and chucking slider 333, chucking guide rail 332 installs the upper surface of base plate 31, chucking slider 333 installs on chucking guide rail 332, chucking board 331 is installed on chucking slider 333, chucking board 331 opposite side and chucking cylinder 335's jar pole are connected, and chucking cylinder 335's bottom is connected on base plate 31, and chucking cylinder 335 moves and can drive chucking board 331 horizontal migration. The clamping part 334 is preferably a V-shaped structure, a clamping opening 13 is formed in one side of the positioning shaft sleeve 12, and the end face of the V-shaped structure penetrates through the clamping opening 13 and is clamped to the end clamping groove of the mandrel 200, so that the mandrel 200 is clamped fixedly on the positioning shaft sleeve 12.

In this embodiment, the top loosening moving element includes a top loosening guide sleeve 324 and a top loosening guide pillar 323, the top loosening base 321 is a frame structure, the top loosening guide sleeve 324 is installed in the top loosening base 321 and located at the upper part, and the top loosening guide pillar 323 is installed in the top loosening guide sleeve 324 and passes through the upper plane of the top loosening base 321; the top loosening plate 322 is mounted at the top end of the top loosening guide pillar 323, an air cylinder connecting block 326 is arranged at the lower end of the top loosening guide pillar 323, the air cylinder connecting block 326 is connected with a cylinder rod of the top loosening air cylinder 325, the top loosening air cylinder 325 is fixed on the lower surface of the frame of the top loosening base 321, the top loosening air cylinder 325 acts to drive the cylinder rod, and the cylinder rod drives the air cylinder connecting block 326 to move up and down together with the top loosening guide pillar 323 and the top loosening plate 322. The top loose part 32 of the embodiment further comprises a traverse cylinder 329 for driving the top loose base 321 to move horizontally, a rod of the traverse cylinder 329 is connected with a side surface of the top loose base 321, the bottom of the traverse cylinder 329 is mounted on the substrate 31, and the traverse cylinder 329 acts to drive the top loose base 321 and parts thereon to move horizontally; the top loose moving element further comprises a base guide rail 327 and a base slide block 328, the base guide rail 327 is installed on the lower surface of the base plate 31, the base slide block 328 is installed on the base guide rail 327, and the top loose base 321 is installed on the base slide block 328.

Referring to fig. 8, fig. 8 is a schematic structural view of the tightening and loosening mechanism 4 according to an embodiment of the present invention. In this embodiment, girder 41 is L type structure, the bottom downside of girder 41 through open the mounting hole with bolted connection is passed through to the side of base 14, guarantee girder 41 the stand with the mesa of accurate revolving platform 11 is perpendicular, girder 41's side-mounting has motor drive's lift guide 45, install on the lift guide 45 and remove slider 46, remove the lift mount pad 43 of installing the L type on the slider 46, automatic screwing up machine 42 installs lift mount pad 43 front end, screwing up the axle lower extreme of automatic screwing up machine 42 and installing and screwing up and unscrewing sleeve 44, the axis of the axle of screwing up of automatic screwing up machine 42 with the axis of the location axle sleeve 12 of processing station is coaxial, and under lift guide 45's motor drives, lift mount pad 43 can reciprocate.

The invention is used in conjunction with a manipulator, which is placed next to the apparatus for automatically assembling and disassembling mandrels 200. When the automatic spindle picking and placing device works, a manipulator picks the spindle 200 with the locknut 300 and the expansion sleeve 400 from a spindle 200 storage rack, vertically places the spindle 200 on a positioning shaft sleeve 12 of an idle station (position A shown in figure 1) of a precision rotary table 11 of a rotary table mechanism 1, then places the spindle head part 100 on the spindle 200 to be in place, stops and positions after the precision rotary table 11 rotates one station (position B shown in figure 1), and can continuously place the spindle 200 on the positioning shaft sleeve 12 of the idle station A; the precision turret 11 is again rotated one station (to the position C shown in fig. 1) and the positioning sleeve 12 with the gudgeon part 100 and the mandrel 200 reaches the machining station C of the precision turret 11. The lower part of the processing station C is opposite to the counter torque mechanism 2, the side part is opposite to the clamping and jacking mechanism 3, and the upper part is opposite to the screwing and unscrewing mechanism 4.

The lifting cylinder 27 of the counter torque mechanism 2 pushes the lifting seat 25 to lift along the guide rail 23 for a fixed stroke, the tightening sleeve 22 is close to the lower bottom surface of the mandrel 200, the upper end surface of the tightening head 21 is contacted with the lower bottom surface of the mandrel 200, the upper end surface is pressed by the total gravity of the mandrel 200 and the shaft head part 100, and the spring 28 enables the tightening head 21 to contract; the lifting mounting seat 43 of the clamping and loosening mechanism 3 automatically descends along the lifting guide rail 45, the tightening and loosening sleeve 44 at the lower end of the automatic tightening machine 42 is pushed against the lock nut 300, the automatic tightening machine 42 drives the tightening and loosening sleeve 44 to rotate, the tightening and loosening sleeve 44 is automatically buckled with the lock nut 300, the lock nut 300 starts to be locked, the mandrel 200 rotates in the locking force increasing process, the hexagon socket counter bore at the bottom of the mandrel 200 is automatically aligned with the tightening head 21, the tightening head 21 is automatically buckled with the hexagon socket counter bore by the elastic force of the spring 28, the tightening and loosening sleeve 44 continues to be tightened to reach the set torque, the tightening head 21 plays a counter torque role, and finally the expansion sleeve 400 is used for tensioning the spindle head part 100 to meet the machining requirements. Then, the tightening and loosening sleeve 44 and the tightening head 21 are retracted to the original positions, the precision rotary table 11 is rotated again to enable the spindle head part 100 of the tension expansion sleeve 400 to reach the middle station D, and then the manipulator can take the spindle head part 100 together with the spindle 200 out of the middle station D and automatically place the spindle head part on the machine tool for positioning and processing.

The machined spindle head part 100 and the spindle 200 are taken back by the mechanical arm, the positioning shaft sleeve 12 of the middle station D or the empty stations A and B on the precision rotary table 11 is positioned, the precision rotary table 11 rotates the spindle head part to the machining station C, the tightening head 21 and the tightening and loosening sleeve 44 execute the previous working process again, the locking nut 300 is loosened in the reverse direction, the expansion sleeve 400 and the spindle head part 100 have a loosening space, and then the clamping and jacking mechanism 3 provides a loosening force to loosen the spindle head part.

After the tightening head 21 and the tightening and loosening sleeve 44 return to the original position again, the transverse moving cylinder 329 of the clamping and pushing and loosening mechanism 3 horizontally moves the clamping plate 331 along the clamping guide rail 332 for a fixed stroke, and the clamping part 334 at the front end of the clamping plate 331 clamps the clamping groove at the end of the mandrel 200 through the clamping opening 13 at the side of the positioning shaft sleeve 12; the transverse moving cylinder 329 pushes the top loosening base 321 to horizontally move for a fixed stroke along the base guide rail 327, the upper surface of the top loosening plate 322 reaches the lower end face of the spindle head part 100, the top loosening cylinder 325 pushes the cylinder connecting block 326 to drive the top loosening guide column 323 to move upwards along the top loosening guide sleeve 324, so that the upper surface of the top loosening plate 322 is pushed to the lower surface of the spindle head part 100, finally, the spindle head part 100 and the expansion sleeve 400 are loosened by the thrust of the top loosening cylinder 325, then, the top loosening plate 322 and the clamping plate 331 return to the original positions, the precision rotary table 11 rotates again to rotate the spindle head part 100 to the middle station D, and the manipulator takes away the spindle head part 100 at the middle station D, so that the whole automatic process of assembling and disassembling the spindle head 200 by the spindle head part 100 is completed.

The invention can continuously realize the operation of assembling and disassembling the mandrel 200 of the shaft head part 100 by matching with a manipulator. The whole structure is simple and compact, and the operation, the maintenance and the maintenance are convenient; the full-automatic process of assembling and disassembling the spindle head part 100 and the spindle 200 can be realized, and the modularization of the structural unit is realized.

The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The utility model provides an automatic install and remove dabber device which characterized in that for install and remove the dabber of spindle nose part automatically, include:

the counter torque mechanism is arranged below the precision rotary table opposite to the machining station and used for providing torque opposite to that of the screwing and unscrewing mechanism, and the counter torque mechanism is provided with a working position and a withdrawing position relative to the machining station respectively;

2. The apparatus for automatically assembling and disassembling mandrels as claimed in claim 1, further comprising:

and the clamping and jacking mechanism is arranged right opposite to the machining station and is arranged on one side of the precision rotary table and used for loosening the expansion sleeve of the spindle head part and the spindle.

3. The automated assembly and disassembly mandrel assembly of claim 2 wherein said clamping and ejection mechanism comprises:

the base plate is connected with the main beam;

4. The apparatus according to claim 3, wherein the chucking moving member comprises a chucking guide and a chucking slider, the chucking guide is mounted on the upper surface of the base plate, the chucking slider is mounted on the chucking guide, and the chucking plate is mounted on the chucking slider.

5. The device for automatically assembling and disassembling the mandrel as claimed in claim 3 or 4, wherein the clamping part is of a V-shaped structure, a clamping opening is formed in one side of the positioning shaft sleeve, and the end face of the V-shaped structure penetrates through the clamping opening to be clamped on the end clamping groove of the mandrel, so that the mandrel is clamped on the positioning shaft sleeve.

6. The device as claimed in claim 3 or 4, wherein the top loose moving member comprises a top loose guide sleeve and a top loose guide post, the top loose base is a frame structure, the top loose guide sleeve is arranged in the top loose base and is positioned at the upper part, and the top loose guide post is arranged in the top loose guide sleeve and passes through the upper plane of the top loose base; the top loose plate is installed at the top end of the top loose guide pillar, an air cylinder connecting block is arranged at the lower end of the top loose guide pillar and connected with the top loose air cylinder, and the top loose air cylinder is fixed on the lower surface of the frame of the top loose base.

7. The apparatus as claimed in claim 6, wherein the top release member further comprises a traverse cylinder for driving the top release base to move horizontally, a rod of the traverse cylinder is connected to a side surface of the top release base, and a bottom of the traverse cylinder is mounted on the substrate; the top loose moving piece further comprises a base guide rail and a base sliding block, the base guide rail is installed on the lower surface of the base plate, the base sliding block is installed on the base guide rail, and the top loose base is installed on the base sliding block.

8. The apparatus of claim 7, wherein the counter torque mechanism comprises:

the lifting seat is arranged on the base through a sliding piece;

9. The automated assembly and disassembly mandrel assembly of claim 8 wherein the central pilot hole of the tightening sleeve is a socket head configuration for guiding the tightening head up and down and preventing rotation of the tightening head, the lower portion of the tightening sleeve being provided with a spring for resiliently jacking the tightening head, the tightening head naturally retracting to prevent ejection of the mandrel out of the locating boss when the top pressure of the tightening head is greater than the weight of the mandrel.

10. The automatic core shaft assembling and disassembling device according to claim 8, wherein the main beam is of an L-shaped structure, the bottom end of the main beam is connected with the base, the upright of the main beam is perpendicular to the precision rotary table, a motor-driven lifting guide rail is installed on the side surface of the main beam, a moving slide block is installed on the lifting guide rail, a lifting installation seat is installed on the moving slide block, the automatic tightening machine is installed at the front end of the lifting installation seat, a tightening and loosening sleeve is installed at the lower end of a tightening shaft of the automatic tightening machine, and the axis of the tightening shaft of the automatic tightening machine is coaxial with the axis of the positioning sleeve of the machining station.