CN218693975U

CN218693975U - Chuck capable of switching driving modes

Info

Publication number: CN218693975U
Application number: CN202222721978.XU
Authority: CN
Inventors: 沈闻文
Original assignee: Jiangsu Aiwei Jiye Intelligent Technology Co ltd
Current assignee: Jiangsu Aiwei Jiye Intelligent Technology Co ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-03-24
Anticipated expiration: 2032-10-17

Abstract

The utility model relates to a machining technical field's a changeable drive mode's chuck, including chuck body and drive shaft, the outside fixed mounting of chuck body has the installation cover, movable groove has been seted up to the upper surface of installation cover. Compared with the prior art, through the worm wheel that sets up, installation axle and worm, be convenient for this chuck is in the use, at first remove two movable sleeves simultaneously according to the demand, make the installation axle can only realize the connection of one end through the movable sleeve, so that transmission shaft or motor drive installation axle rotate, then the installation axle promotes the worm wheel through the worm and rotates, the worm wheel passes through the drive shaft and realizes that three jack catch removes and chucking, thereby make the chuck can carry out the switching of driving method according to the demand, avoid wherein influencing the chuck use after certain driving method damages, the problem of the single chuck practicality that influences of current chuck driving method has been solved.

Description

Chuck capable of switching driving modes

Technical Field

The utility model relates to a machinery processing technology field especially relates to a chuck of changeable drive mode.

Background

In the machining process, the workpiece needs to be cut, polished and the like, in the machining process, the workpiece needs to be kept in a stable state to ensure the precision of the workpiece after machining, in the prior art, the workpiece is generally fixed by adopting a clamp, when the workpiece is machined by a revolving body, the workpiece is generally machined by adopting a lathe, when the lathe is machined, the workpiece is generally fixed by adopting a self-centering three-jaw chuck, and the self-centering three-jaw chuck is convenient for zero setting, tool correction and tool cutting amount mastering.

As the three-jaw chuck that the grant publication number CN210848380U shows, be provided with bevel gear, bevel gear and rack are to the cooperation, the utility model discloses rational in infrastructure, extension piece on the jack catch can the great work piece of centre gripping diameter, also can transfer the thinner work piece of direction centre gripping.

This technical scheme realizes the removal chucking of three jack catch through the spanner in the implementation, and this drive mode is comparatively single, when perhaps damaging when the spanner is cut, just can't realize the centre gripping to the work piece by this chuck to influence the problem of chuck practicality, we provide the chuck of a changeable drive mode for this.

SUMMERY OF THE UTILITY MODEL

To the problem, the utility model provides a changeable drive mode's chuck has changeable drive mode to carry out the drive mode according to the demand and switch, avoid wherein certain drive mode to damage the back and influence the chuck and use.

The technical scheme of the utility model is that:

the utility model provides a changeable driving mode's chuck, includes chuck body and drive shaft, the outside fixed mounting of chuck body has the installation cover, movable groove has been seted up to the upper surface of installation cover, the spacing groove has been seted up on the bottom inner wall in movable groove, the mounting groove has been seted up on the bottom inner wall in spacing groove, the outside fixedly connected with that the drive shaft is located chuck body top portion runs through the worm wheel to the mounting groove in, the bottom inboard of mounting groove is rotated through the supporting component and is connected with the installation axle, the middle part outside fixedly connected with of installation axle and the worm that the worm wheel meshing is connected, the inboard rotation of front end of installation cover is connected with the transmission shaft, the wrench hole has been seted up to the front surface of transmission shaft, the inboard fixed mounting in rear end of installation cover has the motor, transmission shaft and motor are connected with the front and back both ends of installation axle through the joint subassembly respectively.

In a further technical scheme, the inboard slidable mounting of activity groove has the slider, the lower fixed surface of slider is connected with slidable mounting in the movable block of spacing inslot side, the lower fixed surface of movable block is connected with the fly leaf, the lower surface four corners department of fly leaf is connected with the connecting plate through elastic component respectively, both ends are connected with two joint subassemblies through the connecting block respectively around the connecting plate lower surface.

In a further technical scheme, the joint subassembly includes slidable mounting in the sliding seat of installation axle outside, the one end that the worm was kept away from to the sliding seat is connected with the movable sleeve through reset assembly, spacing spout has been seted up on the upper and lower both ends inner wall of movable sleeve respectively, be equipped with the driving-disc on the both ends inner wall around the mounting groove, the rear end driving-disc and motor output end fixed connection, the front end the rear end fixed connection of spacing groove and transmission shaft, the upper and lower surface difference fixedly connected with lug at both ends around the upper and lower both ends of driving-disc and installation axle, lug slidable mounting is in the inboard of driving-disc.

In a further technical scheme, the elastic component comprises a spring, the upper end and the lower end of the spring are respectively and fixedly connected with a limiting sleeve, the top end of the limiting sleeve is fixedly connected with the movable plate, the bottom end of the limiting sleeve is fixedly connected with the connecting plate, the inner side of the limiting sleeve is connected with the same limiting shaft in a sliding mode, and the limiting sleeve is sleeved on the outer side of the limiting shaft.

In a further technical scheme, the subassembly that resets is including connecting No. two springs on the worm one side upper and lower both ends are kept away from in the sliding seat, the upper and lower both ends that the movable sleeve is close to transmission shaft one side are seted up flutedly respectively, two the one end that the sliding seat was kept away from to No. two springs and the one end inner wall fixed connection of recess.

In a further technical scheme, the supporting component comprises two supporting blocks, the two supporting blocks are respectively connected to the outer sides of the front end and the rear end of the worm of the mounting shaft in a rotating mode through bearings, and the lower surfaces of the two supporting blocks are fixedly connected with the inner wall of the bottom end of the mounting groove.

In a further technical scheme, four corners of the upper surface of the movable plate are respectively and fixedly connected with clamping blocks, and the front end and the rear end of the inner wall of the top end of the mounting groove are respectively provided with two groups of four clamping grooves matched with the clamping blocks.

The utility model has the advantages that:

1. compared with the prior art, through the worm wheel that sets up, installation axle and worm, be convenient for this chuck in the use, at first remove two movable sleeves simultaneously according to the demand, make the installation axle can only realize the connection of one end through the movable sleeve, so that transmission shaft or motor drive installation axle rotate, then the installation axle promotes the worm wheel through the worm and rotates, the worm wheel passes through the drive shaft and realizes that three jack catch removes and chucking, thereby make the chuck can carry out the switching of driving method according to the demand, avoid wherein influencing the chuck after certain driving method damages and use, the problem of the single chuck practicality that influences of current chuck driving method has been solved.

2. Compared with the prior art, through the slider and the fly leaf that set up, be convenient for this chuck pass through the slider and drive the fly leaf and remove, then the fly leaf passes through connecting plate and connecting block and drives two movable sleeve synchronous motion to realize installing the connection of axle front end and transmission shaft or the rear end of installation axle and the being connected of motor output, thereby can be more convenient realization change the drive mode.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the embodiment of the present invention;

FIG. 2 is a schematic structural view of a chuck body according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a cross section of the mounting sleeve according to the embodiment of the present invention;

fig. 4 is a schematic structural diagram of a movable plate according to an embodiment of the present invention;

fig. 5 is a schematic sectional structural view of the movable sleeve according to the embodiment of the present invention.

Description of reference numerals:

1. a chuck body; 2. a drive shaft; 3. installing a sleeve; 4. a movable groove; 5. a limiting groove; 6. a worm gear; 7. a slider; 8. mounting grooves; 9. installing a shaft; 10. a supporting block; 11. a worm; 12. a movable sleeve; 13. a drive shaft; 14. a bump; 15. a drive disc; 16. a motor; 17. a movable block; 18. a first spring; 19. a limiting sleeve; 20. a movable plate; 21. a clamping block; 22. a limiting chute; 23. a movable seat; 24. and a second spring.

Detailed Description

The embodiments of the present invention will be further explained with reference to the drawings.

Example (b):

as shown in fig. 1-5, a chuck capable of switching driving modes, which comprises a chuck body 1 and a driving shaft 2, a mounting sleeve 3 is fixedly mounted on the outer side of the chuck body 1, a movable groove 4 is formed on the upper surface of the mounting sleeve 3, a limiting groove 5 is formed on the inner wall of the bottom end of the movable groove 4, a mounting groove 8 is formed on the inner wall of the bottom end of the limiting groove 5, so as to mount two driving modes on the inner side of the mounting groove 8, the driving shaft 2 is located on the outer side of the top end portion of the chuck body 1, a worm wheel 6 penetrating into the mounting groove 8 is fixedly connected to the outer side of the mounting shaft 9, so that the worm wheel 6 rotates on the inner side of the mounting groove 8, two supporting blocks 10 are respectively connected to the outer sides of the front and rear ends of a worm 11 through bearings, the lower surfaces of the two supporting blocks 10 are fixedly connected to the inner walls of the bottom ends of the mounting groove 8, the two supporting blocks 10 can play a supporting role, the stability of the mounting shaft 9 can be ensured, the worm 11 is fixedly connected to the outer side of the mounting shaft 9, the outer side of the worm wheel 11 is fixedly connected to the worm wheel 6, the worm wheel can drive the driving shaft 2 to rotate, a transmission shaft 13 is connected to the inner side of a motor, a movable sleeve 23, one side of a movable sleeve 23, which is connected to the movable sleeve 23, and a movable sleeve which is connected to the movable sleeve 12, the movable sleeve which is connected to the movable sleeve 23, and a movable sleeve which is connected to the movable sleeve 12, and a movable sleeve which is connected to the movable sleeve 23, through No. two spring 24 and recess, make movable sleeve 12 have buffer space, so that lug 14 and spacing spout 22 can carry out the joint, spacing spout 22 has been seted up on the upper and lower both ends inner wall of movable sleeve 12 respectively, be equipped with driving-disc 15 on the both ends inner wall around mounting groove 8, rear end driving-disc 15 and motor 16 output fixed connection, front end spacing groove 5 and the rear end fixed connection of transmission shaft 13, the upper and lower both ends of driving-disc 15 and the upper and lower surface at installation axle 9 front and back both ends respectively fixedly connected with lug 14, lug 14 slidable mounting is in the inboard of spacing spout 22, sliding connection through lug 14 and spacing spout 22, so that movable sleeve 12 of removal realizes the kinetic energy transmission of installation axle 9 and driving-disc 15.

The working principle of the technical scheme is as follows:

when the three-jaw chuck needs to be driven to move by a wrench, the movable seat 23 is moved forwards firstly, so that the movable seat 23 drives the movable sleeve 12 to move forwards, the clamping of the movable sleeve 12 outside the driving disc 15 is realized by the sliding connection of the convex block 14 and the limiting sliding groove 22, then the wrench can be used for driving the transmission shaft 13 to rotate by the wrench through the wrench hole in the surface of the transmission shaft 13, the transmission shaft 13 rotates to drive the movable sleeve 12 through the driving disc 15, the movable sleeve 12 drives the installation shaft 9 to rotate through the convex block 14, the installation shaft 9 drives the worm 11 to rotate under the supporting action of the supporting block 10, the worm 11 pushes the worm wheel 6 to drive the driving shaft 2 to rotate, when the motor 16 needs to drive, the rear-end movable sleeve 12 is moved backwards, the connection between the rear end of the installation shaft 9 and the rear-end driving disc 15 is completed, the replacement of the driving mode is convenient to carry out according to the requirement, and the problem that the practicability of the chuck is affected by the single driving mode is solved.

In another embodiment, as shown in fig. 4, a sliding block 7 is slidably mounted on the inner side of the movable groove 4, a movable block 17 slidably mounted on the inner side of the limiting groove 5 is fixedly connected to the lower surface of the sliding block 7, the fixed connection between the sliding block 7 and the movable plate 20 is realized through the movable block 17, and the stability of the movement of the sliding block 7 is ensured through the sliding connection between the movable block 17 and the limiting groove 5, a movable plate 20 is fixedly connected to the lower surface of the movable block 17, first springs 18 are respectively disposed at four corners of the lower surface of the movable plate 20, so that the sliding block 7 can push the movable plate 20 to move downward through the first springs 18, limit sleeves 19 are respectively fixedly connected to the upper and lower ends of the first springs 18, the top limit sleeves 19 are fixedly connected to the movable plate 20, the bottom limit sleeves 19 are fixedly connected to the connecting plate, the inner sides of the two limit sleeves 19 are both slidably connected to a same limit shaft, the limit sleeves 19 are sleeved on the outer sides of the limit shaft, the limit sleeves ensure the stability of the downward movement of the movable plate 20 through the limit shaft, and do not affect the forward and backward movement of the movable plate 20, the movable plate, the front and rear ends of the connecting plate are respectively connected to two movable seats 23 through connecting plate, so as to drive the two movable seats 23 to move through the connecting plate and the connecting plate.

When needs pass through the spanner drive, at first press the slider 7 downwards and reduce the friction between fly leaf 20 and the mounting groove 8 top inner wall, then move slider 7 forward, slider 7 drives fly leaf 20 through movable block 17, fly leaf 20 drives the connecting plate under the effect of spring 18 and spacing axle, the connecting plate drives movable seat 23 through the connecting block and moves forward, thereby accomplish the connection of transmission shaft 13 and installation axle 9, when needs drive through motor 16, backward move slider 7 can, thereby can realize the change of drive mode more convenient efficient.

In another embodiment, as shown in fig. 4, four corners of the upper surface of the movable plate 20 are respectively and fixedly connected with a fixture block 21, and two groups of four fixture slots matched with the fixture blocks 21 are respectively formed at the front end and the rear end of the inner wall of the top end of the mounting groove 8.

Through the joint of the clamping block 21 and the clamping groove at the top end of the mounting groove 8, the position of the sliding block 7 after the movement is completed can be fixed.

The above embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not 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. A chuck capable of switching a driving mode, which comprises a chuck body (1) and a driving shaft (2), and is characterized in that: the utility model discloses a quick-witted, including chuck body (1), mounting sleeve (3) is installed to the outside fixed mounting of chuck body (1), movable groove (4) have been seted up to the upper surface of mounting sleeve (3), spacing groove (5) have been seted up on the bottom inner wall of movable groove (4), mounting groove (8) have been seted up on the bottom inner wall of spacing groove (5), outside fixedly connected with that drive shaft (2) are located chuck body (1) top portion runs through worm wheel (6) to mounting groove (8) interior, the bottom inboard of mounting groove (8) is rotated through the supporting component and is connected with installation axle (9), the middle part outside fixedly connected with of installation axle (9) worm (11) that are connected with worm wheel (6) meshing, the front end inboard of mounting sleeve (3) is rotated and is connected with transmission shaft (13), the wrench hole has been seted up to the front surface of transmission shaft (13), the inboard fixed mounting motor (16) of rear end of mounting sleeve (3), transmission shaft (13) and motor (16) are connected with the front and back both ends of installation axle (9) through the joint subassembly respectively.

2. The switchable driving scheme chuck of claim 1, wherein: the inboard slidable mounting of activity groove (4) has slider (7), the lower fixed surface of slider (7) is connected with slidable mounting in inboard movable block (17) of spacing groove (5), the lower fixed surface of movable block (17) is connected with fly leaf (20), the lower surface four corners department of fly leaf (20) is connected with the connecting plate through elastic component respectively, both ends are connected with two joint subassemblies through the connecting block respectively around the connecting plate lower surface.

3. The switchable driving scheme chuck of claim 1, wherein: joint subassembly is including sliding mounting in movable seat (23) in the installation axle (9) outside, the one end that worm (11) were kept away from in movable seat (23) is connected with movable sleeve (12) through the reset assembly, spacing spout (22) have been seted up on the upper and lower both ends inner wall of movable sleeve (12) respectively, be equipped with driving-disc (15) on the both ends inner wall around mounting groove (8), the rear end driving-disc (15) and motor (16) output fixed connection, front end the rear end fixed connection of spacing groove (5) and transmission shaft (13), the upper and lower surface difference fixedly connected with lug (14) at both ends around the upper and lower both ends of driving-disc (15) and installation axle (9), lug (14) slidable mounting is in the inboard of driving-disc (15).

4. The switchable driving scheme chuck of claim 2, wherein: elastic component includes spring (18), the upper and lower both ends difference fixedly connected with stop collar (19), top of spring (18) stop collar (19) and fly leaf (20) fixed connection, bottom stop collar (19) and connecting plate fixed connection, two the equal sliding connection in inboard of stop collar (19) has same spacing axle, the outside of spacing axle is located to stop collar (19) cover.

5. A switchable driving scheme chuck according to claim 3, wherein: reset assembly is including connecting No. two spring (24) on keeping away from worm (11) one side upper and lower both ends in sliding seat (23), recess, two are seted up respectively in the upper and lower both ends that driving shaft (13) one side is close to in movable sleeve (12) one end that sliding seat (23) were kept away from in No. two spring (24) and the one end inner wall fixed connection of recess.

6. The switchable driving scheme chuck of claim 2, wherein: the supporting component comprises two supporting blocks (10), the two supporting blocks (10) are respectively connected to the outer sides of the front end and the rear end of the worm (11) in the mounting shaft (9) in a rotating mode through bearings, and the lower surfaces of the two supporting blocks (10) are fixedly connected with the inner wall of the bottom end of the mounting groove (8).

7. The switchable driving scheme chuck of claim 2, wherein: the upper surface four corners department of fly leaf (20) is fixedly connected with fixture block (21) respectively, two sets of totally four draw-in grooves with fixture block (21) looks adaptation have been seted up respectively at the front and back both ends of the top inner wall of mounting groove (8).