CN210113008U

CN210113008U - Lathe fixture for quickly disassembling and assembling workpieces

Info

Publication number: CN210113008U
Application number: CN201920951603.8U
Authority: CN
Inventors: 赵宏伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-02-25
Anticipated expiration: 2029-06-24

Abstract

The utility model discloses a turning attachment of quick assembly disassembly work piece, including the anchor clamps body, be equipped with the claw shell on the anchor clamps body, the middle part of claw shell is equipped with first bearing, first bearing fixed plate has been welded to one side of first bearing, the top of first bearing is fixed with electric telescopic handle, the top of electric telescopic handle is fixed with the motor fixed plate, the one end of motor fixed plate is fixed with the motor, the bottom of motor is connected with the connecting rod, this turning attachment fixes the work piece through two sets of jack catchs, improve the stability ability that the anchor clamps press from both sides tight work piece, the phenomenon that the work piece is not hard up can not appear, improve the security performance of processing and staff, also protect the lathe can not destroyed by the work piece of; the motor rotates forwards and backwards to drive the two groups of chain wheel to rotate forwards and backwards, so that the clamping jaws on the two groups of chain wheel are driven to be close to or separated from each other, the workpiece is fixed and loosened, the workpiece clamping speed is increased, the labor is saved, the workpiece replacing efficiency is improved, and the production efficiency is improved.

Description

Lathe fixture for quickly disassembling and assembling workpieces

Technical Field

The utility model relates to a turning attachment field specifically is a turning attachment of quick assembly disassembly work piece.

Background

The jig is a device for fixing a processing object to occupy a correct position for receiving construction or inspection in a machine manufacturing process, and is also called a jig. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in a process may be referred to as a jig. The application of the clamp is very extensive, especially involve the work piece holder of lathe, but the work piece holder function of current lathe is single, has many defects:

1: the existing lathe fixture has a short claw shell, a workpiece can be fixed only partially, and most clamping blocks are fixed on the claws so as to fix the workpiece by using the clamping blocks, but the workpiece is fixed on the outer side of the claw shell by the mode, so that the clamping is not particularly firm, the clamping blocks are easy to loosen and fall off, the clamping of the workpiece is influenced, and the stability is poor;

2: the existing lathe fixture only fixes a workpiece through a group of three clamping jaws, the three parts of the workpiece are fixed, but the three parts can only be arranged on a circular ring and are equal to one part for fixing the workpiece, when the claw shell rotates at a high speed, the workpiece is easy to loosen, the workpiece is easy to throw out of the claw shell, the safety of workers is affected, and the phenomenon that the machine tool is damaged by the thrown-out workpiece can also be caused;

3: the existing lathe fixture has the advantages that the existing lathe fixture enables the toothed disc to rotate through manually rotating the bevel pinion rod, the workpiece is clamped tightly, however, the mode is low in efficiency and low in speed, a large amount of manpower is consumed, the production efficiency is reduced, the workpiece is replaced very inconveniently, and a wrench needs to be used back and forth.

SUMMERY OF THE UTILITY MODEL

The utility model aims at prior art's defect, provide a turning attachment of quick assembly disassembly work piece to solve the problem that above-mentioned background art provided.

In order to achieve the above object, the utility model provides a following technical scheme: a lathe fixture for quickly disassembling and assembling a workpiece comprises a fixture body, wherein a claw shell is arranged on the fixture body, a first bearing is arranged in the middle of the claw shell, a first bearing fixing plate is welded on one side of the first bearing, an electric telescopic rod is fixed at the top end of the first bearing, a motor fixing plate is fixed at the top end of the electric telescopic rod, a motor is fixed at one end of the motor fixing plate, a connecting rod is connected with the bottom end of the motor, a rectangular sleeve is welded at the bottom end of the connecting rod, a rear cover is installed at one end of the claw shell, three large through holes are uniformly formed in the middle of one side of the first bearing, third bearings are installed on the large through holes, small through holes are formed in two sides of each third bearing, a second bearing is installed on each small through hole, two lug handles are uniformly welded between the two third bearings, and a first clamping jaw movable groove is formed in one side of the middle position, the other side is provided with a second jaw movable groove, a first jaw is arranged in the first jaw movable groove, a fixed block is fixed on the first jaw, a second jaw is arranged in the second jaw movable groove, a first gear connecting rod is fixed on a third bearing, a rectangular rod is welded at one end of the first gear connecting rod, a first gear is welded at the other end of the first gear connecting rod, a first bevel pinion rod is arranged at one side of the first gear, a second bevel pinion rod is arranged at the other side of the first gear, a second gear is welded at one ends of the first bevel pinion rod and the second bevel pinion rod, a second gear connecting rod is welded at the middle part of the second gear, the second gear connecting rod is fixed on the second bearing, a second toothed disc is installed at one side of the second bevel pinion rod, a first toothed disc is installed at one side of the first bevel pinion rod, first chain wheel with one side of second chain wheel all is equipped with big bevel gear, and the opposite side all is equipped with the plane screw thread, first jack catch with one side of second jack catch all is equipped with the helical tooth.

As a preferred technical scheme of the utility model, the back lid with the claw shell passes through the bolt fastening and links to each other, the claw shell with the first bearing activity links to each other, the first bearing passes through the first bearing fixed plate is fixed on the lathe, be equipped with a plurality of bolt hole on the first bearing fixed plate.

As a preferred technical scheme of the utility model, electric telescopic handle passes through the bolt fastening on the shell of first bearing, the motor fixed plate adopts stainless steel material to make, and with electric telescopic handle passes through the bolt fastening and links to each other, the motor passes through the bolt fastening on the motor fixed plate, the connecting rod pass through the shaft coupling with the pivot of motor is fixed continuously.

As an optimal technical scheme of the utility model, first jack catch with the second jack catch is the I-shaped jack catch, first jack catch movable groove with the second jack catch movable groove is the I-shaped movable groove, first jack catch with the second jack catch with first jack catch movable groove with the activity of second jack catch movable groove links to each other, the fixed block passes through the bolt fastening on the first jack catch.

As an optimal technical scheme of the utility model, first chain wheel with the second chain wheel is all fixed on the inside circular sleeve's of claw shell both ends, circular sleeve's length does first chain wheel with installation distance between the second chain wheel, circular sleeve with the claw shell is concentric circles, circular sleeve with the claw shell passes through the connecting block welding and links to each other.

As an optimal technical scheme of the utility model, on the second jack catch helical tooth with on the second chain wheel the plane screw thread links to each other, on the first jack catch helical tooth with on the first chain wheel the plane screw thread links to each other, conical gear on the first bevel pinion pole with on the first chain wheel big bevel gear meshing links to each other, conical gear on the second bevel pinion pole with on the second chain wheel big bevel gear meshing links to each other.

As a preferred technical scheme of the utility model, first gear respectively with first bevel gear pole with on the second bevel gear pole the second gear meshing links to each other, first gear connecting rod with the third bearing is fixed to be linked to each other, the second gear connecting rod with the second bearing is fixed to be linked to each other.

As an optimal technical scheme of the utility model, electric telescopic handle with the motor all with switch electric connection, switch installs on the shell of lathe to with external power supply electric connection, last motor corotation switch, the motor reversal switch of being equipped with of switch, telescopic link rising switch and the telescopic link decline switch.

As an optimal technical scheme of the utility model, first chain wheel, circular sleeve and the middle part interlude of second chain wheel has the work piece, first jack catch with the second jack catch all adopts stainless steel material to make.

As an optimal technical scheme of the utility model, electric telescopic handle's model is XTL 100's 150MM stroke, motor 12V's small-size riser, the model of motor is 60W12V positive and negative big moment of torsion direct current gear motor.

The utility model has the advantages that:

1: the lathe fixture can not only play a role of fixing the claw shell through the bearing fixing claw shell, but also cannot influence the rotation of the claw shell, and the stability of the rotation of the claw shell is also improved;

2: the lathe fixture fixes the workpiece through the two groups of clamping jaws, so that the stability of clamping the workpiece by the fixture is improved, the workpiece is not loosened, the safety performance of processing and working personnel is improved, and a machine tool is protected from being damaged by thrown workpieces;

3: this turning attachment passes through the positive and negative rotation of motor and drives two sets of chain wheel and just reverse rotation to drive the jack catch on two sets of chain wheels and draw close or separate, realize the fixed of work piece and loosen, improve the speed of pressing from both sides tight work piece, also use manpower sparingly, improve the efficiency of changing the work piece, improve production efficiency.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is one of the expanded structural diagrams of the inner components of the claw shell according to the present invention;

fig. 3 is a second expanded structural view of the internal components of the claw shell of the present invention;

FIG. 4 is a connection view of the circular sleeve and the claw housing of the present invention;

FIG. 5 is a schematic structural view of the clamping jaw of the present invention;

in the figure: 1. a clamp body; 2. a first bearing; 3. a first bearing fixing plate; 4. a rear cover; 5. an electric telescopic rod; 6. a second bearing; 7. a third bearing; 8. a motor fixing plate; 9. a motor; 10. a connecting rod; 11. a rectangular sleeve; 12. a first jaw; 13. a fixed block; 14. a first jaw moving slot; 15. a bump handle; 16. a second jaw; 17. a second jaw movable groove; 18. a first chain wheel; 19. a second chain wheel; 20. a first gear, 21, a first gear connecting rod, 22, a rectangular rod, 23, a second bevel gear rod, 24, a first bevel gear rod, 25, a second gear, 26, a second gear connecting rod, 27, helical teeth, 28, a flat thread, 29, a large bevel gear, 30, a workpiece, 31, a claw shell, 32, a circular sleeve.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the protection scope of the present invention can be clearly and clearly defined.

Example 1

Referring to fig. 1-5, the present invention provides a technical solution: a lathe fixture for quickly disassembling and assembling workpieces comprises a fixture body 1, a claw shell 31 is arranged on the fixture body 1, a first bearing 2 is arranged in the middle of the claw shell 31, a first bearing fixing plate 3 is welded on one side of the first bearing 2, an electric telescopic rod 5 is fixed on the top end of the first bearing 2, a motor fixing plate 8 is fixed on the top end of the electric telescopic rod 5, a motor 9 is fixed on one end of the motor fixing plate 8, a connecting rod 10 is connected with the bottom end of the motor 9, a rectangular sleeve 11 is welded on the bottom end of the connecting rod 10, a rear cover 4 is installed on one end of the claw shell 31, three large through holes are uniformly formed in the middle of one side of the first bearing 2, a third bearing 7 is installed on each large through hole, small through holes are formed in two sides of the third bearing 7, a second bearing 6 is installed on each small through hole, two lug handles 15 are uniformly welded between the two third bearings 7, a first claw movable, a second jaw movable groove 17 is arranged on the other side, a first jaw 12 is arranged in the first jaw movable groove 14, a fixed block 13 is fixed on the first jaw 12, a second jaw 16 is arranged in the second jaw movable groove 17, a first gear connecting rod 21 is fixed on the third bearing 7, a rectangular rod 22 is welded at one end of the first gear connecting rod 21, a first gear 20 is welded at the other end of the first gear connecting rod 21, a first bevel gear rod 24 is arranged on one side of the first gear 20, a second bevel gear rod 23 is arranged on the other side of the first gear 20, a second gear 25 is welded at one end of each of the first bevel gear rod 24 and the second bevel gear rod 23, a second gear connecting rod 26 is welded at the middle part of the second gear 25, the second gear connecting rod 26 is fixed on the second bearing 6, a second toothed disc 19 is installed at one side of the second bevel gear rod 23, a first toothed disc 18 is installed at one side of the first bevel gear rod 24, one side of each of the first chain wheel 18 and the second chain wheel 19 is provided with a large bevel gear 29, the other side of each of the first chain wheel and the second chain wheel is provided with a plane thread 28, and one side of each of the first jaw 12 and the second jaw 16 is provided with a spiral tooth 27.

The rear cover 4 is fixedly connected with the claw shell 31 through bolts, the claw shell 31 is movably connected with the first bearing 2, the first bearing 2 is fixed on a lathe through the first bearing fixing plate 3, a plurality of bolt holes are formed in the first bearing fixing plate 3, the claw shell 31 can rotate on the first bearing 2, the stability of the claw shell 31 is improved, a certain fixing effect is achieved on the claw shell 31, and the claw shell 31 can be fixed on the lathe through the first bearing fixing plate 3.

Electric telescopic handle 5 passes through the bolt fastening on the shell of first bearing 2, motor fixed plate 8 adopts stainless steel material to make, and link to each other through the bolt fastening with electric telescopic handle 5, motor 9 passes through the bolt fastening on motor fixed plate 8, connecting rod 10 passes through the fixed linking to each other of pivot of shaft coupling and motor 9, the height through electric telescopic handle 5 accommodate motor 9, be convenient for rectangular sleeve 11 to aim at rectangular rod 22, the positive and negative commentaries on classics of motor 9 can drive rectangular rod 22, thereby realize first chain wheel 18 and the positive and negative rotation of second chain wheel 19 in the claw shell 31, utilize first chain wheel 18 and the positive and negative rotation of second chain wheel 19 to make approaching together and separating of first jack catch 12 and second jack catch 16, thereby realize the clamp to work piece 30.

The first clamping jaw 12 and the second clamping jaw 16 are I-shaped clamping jaws, the first clamping jaw movable groove 14 and the second clamping jaw movable groove 17 are I-shaped movable grooves, the first clamping jaw 12 and the second clamping jaw 16 are movably connected with the first clamping jaw movable groove 14 and the second clamping jaw movable groove 17, the fixing block 13 is fixed on the first clamping jaw 12 through bolts, the first clamping jaw 12 and the second clamping jaw 16 can move in the first clamping jaw movable groove 14 and the second clamping jaw movable groove 17, the first clamping jaw 12 and the second clamping jaw 16 are convenient to fix, and the first clamping jaw 12 and the second clamping jaw 16 can move close to each other and move dispersedly.

First chain wheel 18 and second chain wheel 19 are all fixed on the both ends of the inside circular sleeve 32 of claw shell 31, the length of circular sleeve 32 is the installation distance between first chain wheel 18 and the second chain wheel 19, circular sleeve 32 and claw shell 31 are the concentric circles, circular sleeve 32 and claw shell 31 pass through connecting block welded connection, the circular sleeve 32 is passed through to the afterbody of work piece 30, the work piece 30 of circular sleeve 32 one side is fixed through drawing close of second jack catch 16, the work piece 30 of circular sleeve 32 opposite side is fixed through drawing close of first jack catch 12.

The spiral teeth 27 on the second jaw 16 are connected with the plane threads 28 on the second chain wheel 19, the spiral teeth 27 on the first jaw 12 are connected with the plane threads 28 on the first chain wheel 18, the conical gear on the first small bevel gear rod 24 is meshed with the large bevel gear 29 on the first chain wheel 18, the conical gear on the second small bevel gear rod 23 is meshed with the large bevel gear 29 on the second chain wheel 19, and the second jaw 16 and the first jaw 12 move close to and disperse on the second chain wheel 19 and the first chain wheel 18 through the spiral teeth 27 and the large bevel gear 29.

The first gear 20 is meshed with the second gears 25 on the first bevel gear rod 24 and the second bevel gear rod 23 respectively, the first gear connecting rod 21 is fixedly connected with the third bearing 7, the second gear connecting rod 26 is fixedly connected with the second bearing 6, the first bevel gear rod 24 and the second bevel gear rod 23 are driven to rotate through the first gear 20, and the first bevel gear rod 24 and the second bevel gear rod 23 are driven to rotate through the first gear 20, so that the first chain wheel 18 and the second chain wheel 19 are driven to rotate through the first bevel gear rod 24 and the second bevel gear rod 23 respectively.

Electric telescopic handle 5 and motor 9 all with switch electric connection, switch installs on the shell of lathe to with external power supply electric connection, switch is last to be equipped with motor corotation switch, motor reversal switch, telescopic link rising switch and telescopic link decline switch, through motor corotation switch and motor reversal switch control motor 9 just reversing, through telescopic link rising switch and telescopic link decline switch control electric telescopic handle 5 lift.

The workpiece 30 is inserted in the middle of the first chain wheel 18, the circular sleeve 32 and the second chain wheel 19, and the first jaw 12 and the second jaw 16 are made of stainless steel materials, so that the service life of the workpiece is prolonged.

The model of the electric telescopic rod 5 is a small lifter with 150MM stroke of XTL100 and a motor 12V, and the model of the motor 9 is a large-torque direct-current speed-reducing motor with 60W12V positive and negative rotation.

The working principle is as follows: a lathe clamp for quickly disassembling and assembling a workpiece comprises a clamp body 1, a first bearing 2, a first bearing fixing plate 3, a rear cover 4, an electric telescopic rod 5, a second bearing 6, a third bearing 7, a motor fixing plate 8, a motor 9, a connecting rod 10, a rectangular sleeve 11, a first jaw 12, a fixing block 13, a first jaw movable groove 14, a lug handle 15, a second jaw 16, a second jaw movable groove 17, a first toothed disc 18, a second toothed disc 19, a first gear 20, a first gear connecting rod 21, a rectangular rod 22, a second bevel pinion rod 23, a first bevel pinion rod 24, a second gear 25, a second gear connecting rod 26, a spiral tooth 27, a plane thread 28, a large bevel gear 29, a workpiece 30, a jaw shell 31 and a circular sleeve 32;

when the fixture is used, when a workpiece 30 needs to be machined, the claw shell 31 is manually rotated through the bump handle 15, any one of the three third bearings 7 on the claw shell 31 is aligned with the rectangular sleeve 11, then the electric telescopic rod 5 on the first bearing 2 is slowly descended through the electric telescopic rod descending switch on the lathe, the rectangular sleeve 11 is sleeved on the rectangular rod 22 on the third bearing 7, the workpiece 30 is inserted into the circular sleeve 32 from one end of the fixture body 1, the motor 9 is positively rotated by opening the motor positive rotation switch on the lathe, so that the rectangular sleeve 11 and the rectangular rod 22 are positively rotated to drive the first gear connecting rod 21 and the first gear 20 to positively rotate, the first gear 20 rotates to drive the second bevel gear rod 23 and the second gear 25 on the first bevel gear rod 24 to rotate, so as to drive the second bevel gear connecting rod 23 and the second gear connecting rod 26 on the first bevel gear rod 24 to rotate around the second bearing 6, the rotation of the second bevel gear rod 23 and the first bevel gear rod 24 is utilized to drive the first chain wheel 18 and the second chain wheel 19 to rotate, so that the three first claws 12 on the first chain wheel 18 are drawn close, the fixed blocks 13 fixed on the first claws 12 extrude the workpiece 30, the three second claws 16 on the second chain wheel 19 move in the second claw movable grooves 17 to be drawn close together, the second claws 16 extrude the tail part of the workpiece 30 to fix two parts of the workpiece 30, the stability of the workpiece 30 fixed on the fixture is improved, the phenomenon of looseness cannot occur, when the first claws 12 and the second claws 16 fix the workpiece 30, the power switch of the motor 9 is closed, then the lifting switch of the electric telescopic rod is opened, the electric telescopic rod 5 lifts the motor fixed plate 8, and the rectangular sleeve 11 is pulled out from the rectangular rod 22, the clamp is driven to rotate by a clamp braking system of the lathe so as to move the cutter for turning;

after the machining is completed, the claw shell 31 is manually rotated through the lug handle 15, any one of the three third bearings 7 on the claw shell 31 is aligned with the rectangular sleeve 11, then the electric telescopic rod 5 on the first bearing 2 is slowly descended through the electric telescopic rod descending switch on the lathe, the rectangular sleeve 11 is sleeved on the rectangular rod 22 on the third bearing 7, then the workpiece 30 is inserted into the circular sleeve 32 from one end of the fixture body 1, the motor 9 is reversely rotated by opening the motor reversing switch on the lathe, so that the rectangular sleeve 11 and the rectangular rod 22 are driven to reversely rotate, the first gear connecting rod 21 and the first gear 20 are driven to reversely rotate, the second bevel gear rod 23 and the second gear 25 on the first bevel gear rod 24 are driven to reversely rotate by the reverse rotation of the first gear 20, so that the second bevel gear connecting rod 23 and the second gear connecting rod 26 on the first bevel gear rod 24 are driven to reversely rotate around the second bearing 6, the first chain wheel 18 and the second chain wheel 19 are driven to rotate reversely by the reverse rotation of the second bevel gear rod 23 and the first bevel gear rod 24, so that the three first claws 12 on the first chain wheel 18 are separated, the fixed block 13 fixed on the first claws 12 is separated from the workpiece 30,

three second jack catchs 16 on the second chain wheel 19 move in second jack catch movable slot 17 to let three second jack catchs 16 part together, let second jack catch 16 leave from the afterbody of work piece 30, then manual pull out work piece 30 follow circular sleeve 32 is removable another work piece that needs processing promptly, improves and changes efficiency, save time improves machining efficiency, need not artifical manual dismantlement moreover, easy operation is convenient.

The lathe fixture can not only play a role of fixing the claw shell through the bearing fixing claw shell, but also cannot influence the rotation of the claw shell, and the stability of the rotation of the claw shell is also improved; the lathe fixture fixes the workpiece through the two groups of clamping jaws, so that the stability of clamping the workpiece by the fixture is improved, the workpiece is not loosened, the safety performance of processing and working personnel is improved, and a machine tool is protected from being damaged by thrown workpieces; this turning attachment passes through the positive and negative rotation of motor and drives two sets of chain wheel and just reverse rotation to drive the jack catch on two sets of chain wheels and draw close or separate, realize the fixed of work piece and loosen, improve the speed of pressing from both sides tight work piece, also use manpower sparingly, improve the efficiency of changing the work piece, improve production efficiency.

The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. The lathe fixture for quickly disassembling and assembling workpieces comprises a fixture body (1) and is characterized in that a claw shell (31) is arranged on the fixture body (1), a first bearing (2) is arranged in the middle of the claw shell (31), a first bearing fixing plate (3) is welded on one side of the first bearing (2), an electric telescopic rod (5) is fixed at the top end of the first bearing (2), a motor fixing plate (8) is fixed at the top end of the electric telescopic rod (5), a motor (9) is fixed at one end of the motor fixing plate (8), a connecting rod (10) is connected to the bottom end of the motor (9), a rectangular sleeve (11) is welded at the bottom end of the connecting rod (10), a rear cover (4) is installed at one end of the claw shell (31), three large through holes are uniformly formed in the middle of one side of the first bearing (2), and a third bearing (7) is installed on each large through hole, the two sides of the third bearing (7) are provided with small through holes, the small through holes are provided with second bearings (6), two bump handles (15) are uniformly welded between the two third bearings (7), one side of the middle position between the two third bearings (7) is provided with a first jaw movable groove (14), the other side of the middle position between the two third bearings (7) is provided with a second jaw movable groove (17), a first jaw (12) is arranged in the first jaw movable groove (14), a fixed block (13) is fixed on the first jaw (12), a second jaw (16) is arranged in the second jaw movable groove (17), a first gear connecting rod (21) is fixed on the third bearing (7), one end of the first gear connecting rod (21) is welded with a rectangular rod (22), the other end of the first gear connecting rod (21) is welded with a first gear (20), one side of the first gear (20) is provided with a first small bevel gear rod (24), the opposite side of first gear (20) is equipped with second bevel gear pole (23), first bevel gear pole (24) with second gear (25) have all been welded to the one end of second bevel gear pole (23), second gear connecting rod (26) have been welded to the middle part of second gear (25), second gear connecting rod (26) are fixed on second bearing (6), second chain wheel (19) are installed to one side of second bevel gear pole (23), first chain wheel (18) are installed to one side of first bevel gear pole (24), first chain wheel (18) with one side of second chain wheel (19) all is equipped with big bevel gear (29), and the opposite side all is equipped with plane screw thread (28), first jack catch (12) with one side of second jack catch (16) all is equipped with helical tooth (27).

2. The turning attachment for quickly disassembling and assembling a workpiece according to claim 1, wherein: the rear cover (4) is fixedly connected with the claw shell (31) through bolts, the claw shell (31) is movably connected with the first bearing (2), the first bearing (2) is fixed on a lathe through the first bearing fixing plate (3), and a plurality of bolt holes are formed in the first bearing fixing plate (3).

3. The turning attachment for quickly disassembling and assembling a workpiece according to claim 1, wherein: electric telescopic handle (5) pass through the bolt fastening on the shell of first bearing (2), motor fixed plate (8) adopt stainless steel material to make, and with electric telescopic handle (5) link to each other through the bolt fastening, motor (9) pass through the bolt fastening on motor fixed plate (8), connecting rod (10) pass through the shaft coupling with the pivot of motor (9) is fixed links to each other.

4. The turning attachment for quickly disassembling and assembling a workpiece according to claim 1, wherein: first jack catch (12) with second jack catch (16) are the I-shaped jack catch, first jack catch activity groove (14) with second jack catch activity groove (17) are the I-shaped activity groove, first jack catch (12) with second jack catch (16) with first jack catch activity groove (14) with second jack catch activity groove (17) activity links to each other, fixed block (13) are through the bolt fastening on first jack catch (12).

5. The turning attachment for quickly disassembling and assembling a workpiece according to claim 1, wherein: first chain wheel (18) with second chain wheel (19) are all fixed on the both ends of the inside circular sleeve (32) of claw shell (31), the length of circular sleeve (32) does first chain wheel (18) with installation distance between second chain wheel (19), circular sleeve (32) with claw shell (31) are the concentric circles, circular sleeve (32) with claw shell (31) pass through connecting block welding and link to each other.

6. The turning attachment for quickly disassembling and assembling a workpiece according to claim 1, wherein: the spiral teeth (27) on the second jaw (16) are connected with the plane threads (28) on the second chain wheel (19), the spiral teeth (27) on the first jaw (12) are connected with the plane threads (28) on the first chain wheel (18), the conical gear on the first small bevel gear rod (24) is connected with the large bevel gear (29) on the first chain wheel (18) in a meshed mode, and the conical gear on the second small bevel gear rod (23) is connected with the large bevel gear (29) on the second chain wheel (19) in a meshed mode.

7. The turning attachment for quickly disassembling and assembling a workpiece according to claim 1, wherein: the first gear (20) is meshed with the second gear (25) on the first bevel gear rod (24) and the second bevel gear rod (23) respectively, the first gear connecting rod (21) is fixedly connected with the third bearing (7), and the second gear connecting rod (26) is fixedly connected with the second bearing (6).

8. The turning attachment for quickly disassembling and assembling a workpiece according to claim 1, wherein: the electric telescopic rod (5) and the motor (9) are both electrically connected with a power switch, the power switch is mounted on a shell of the lathe and is electrically connected with an external power supply, and the power switch is provided with a motor forward rotation switch, a motor reverse rotation switch, a telescopic rod ascending switch and a telescopic rod descending switch.

9. The turning attachment for quickly disassembling and assembling a workpiece according to claim 1, wherein: the middle parts of the first chain wheel (18), the circular sleeve (32) and the second chain wheel (19) are inserted with workpieces (30), and the first clamping jaw (12) and the second clamping jaw (16) are made of stainless steel materials.

10. The turning attachment for quickly disassembling and assembling a workpiece according to claim 1, wherein: the model of the electric telescopic rod (5) is a 150MM stroke of XTL100 and a small-sized lifter of a motor 12V, and the model of the motor (9) is a 60W12V positive and negative rotation large-torque direct-current speed reducing motor.