CN217343622U

CN217343622U - Chuck for automatic lathe

Info

Publication number: CN217343622U
Application number: CN202123412246.4U
Authority: CN
Inventors: 王朝贵; 罗成; 胡亚杰
Original assignee: Hunan Taihafnium Machinery Technology Co ltd
Current assignee: Hunan Taihafnium Machinery Technology Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-09-02
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses an automatic chuck for lathe involves the lathe chuck field, including the lathe chuck, be equipped with a plurality of spacing clamp splices on the lathe chuck, the collar has been cup jointed in the activity on the lathe chuck, and fixed mounting has a plurality of bracing pieces on the collar, and the inner wall slidable mounting of bracing piece has the stopper, and the top side fixed mounting of stopper has the one end of telescopic link. The utility model discloses, through the installation, the bracing piece, the setting of inclined plane splint, make can insert the instrument between the three inclined plane splint when carrying out the centre gripping to the work piece, can automatic inclined plane splint outwards promote, can make three inclined plane splint press from both sides tight work piece all the time under three reset spring's promotion, and make the instrument be in the intermediate position always, thereby make the position of instrument can not deviate under the condition that does not need to hold by hand, promote the accurate nature of processing, save the cost, and inclined plane splint also can remove simultaneously when the work piece removes, in order to adapt to the position of work piece.

Description

Chuck for automatic lathe

Technical Field

The utility model relates to a lathe chuck field especially relates to an automatic chuck for lathe.

Background

The lathe chuck is a fixture used for processing inner and outer revolution surfaces and end surfaces of a workpiece on a lathe, most lathe fixtures are arranged on a main shaft, a few lathe fixtures are arranged on a saddle or a lathe bed, the workpiece is usually positioned by a hole or an excircle, and the fixture adopts a centering clamping mechanism.

In the prior art, a lathe chuck usually needs one hand to hold a workpiece when the workpiece is fixedly machined, the other hand is used for rotating the chuck to clamp the workpiece, and the position of the chuck is possibly out of the center when the clamp is held by hand to be fixed, so that the machining accuracy is affected, the rejection rate is prompted, and the chuck for the automatic lathe is needed to meet the requirements of people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic chuck for lathe to need hand the work piece when solving the fixed work piece of lathe chuck that provides in the above-mentioned background art, probably lead to the problem at work piece position off-center.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automatic chuck for lathe, includes the lathe chuck, be equipped with a plurality of spacing clamp splices on the lathe chuck, the collar has been cup jointed in the activity on the lathe chuck, fixed mounting has a plurality of bracing pieces on the collar, the inner wall slidable mounting of bracing piece has the stopper, the top side fixed mounting of stopper has the one end of telescopic link, one side and the movable mounting that one end of telescopic link runs through the bracing piece have a movable rod in addition, the one end fixed mounting of movable rod has spacing piece, one side fixed mounting that the movable rod was kept away from to spacing piece has the pull rod, one side fixed mounting that the pull rod was kept away from to the movable rod has the inclined plane splint.

Use this technical scheme's chuck for automatic lathe, make can insert the instrument between the three inclined plane splint when carrying out the centre gripping to the work piece, can automatic inclined plane splint outwards promote, can make three inclined plane splint press from both sides tight work piece all the time under three reset spring's promotion, and make the instrument be in the intermediate position always, thereby the position that makes the instrument under the condition that does not need hand can not deviate, promote the accurate nature of processing, the cost is saved, and the inclined plane splint also can remove simultaneously when the work piece removes, in order to adapt to the position of work piece.

Preferably, the inner wall of the mounting ring is fixedly provided with a thread strip, a thread groove is formed in the lathe chuck, the thread strip is matched with the thread groove, the mounting ring is sleeved on the lathe chuck, then the mounting ring is rotated, the mounting ring drives the thread strip to rotate and slide into the thread groove in the lathe chuck, the mounting ring can be fixed on the lathe chuck after being screwed to the bottom, and the mounting ring is convenient to mount or replace.

Preferably, the top side of bracing piece has seted up the activity hole, and the telescopic link runs through the activity hole, through the influence of activity hole to the telescopic link for the telescopic link can slide at the inner wall of bracing piece through the activity hole.

Preferably, the activity groove has been seted up to the inner wall of bracing piece, and the activity groove communicates with the activity hole, and stopper slidable mounting is at the activity inslot for the stopper receives the influence in activity groove, can not drop from the stopper in gliding time, thereby makes the telescopic link can not drop in gliding.

Preferably, the bottom side fixed mounting of stopper has the one end of auxiliary spring, and the other end fixed mounting of auxiliary spring can drive auxiliary spring and stretch when the stopper removes on the inner wall of activity groove, and auxiliary spring can drive the stopper and resume the normal position when the telescopic link does not receive external force to promote.

Preferably, the telescopic link is provided with a sliding hole, and the movable rod runs through the sliding hole, so that the movable rod is influenced by the sliding hole and the limiting piece, and the movable rod cannot fall off in the moving process.

Preferably, the movable rod is sleeved with a reset spring in a sliding mode, two ends of the reset spring are respectively and fixedly installed on one side, close to each other, of the inclined plane clamping plate and the telescopic rod, the reset spring can be driven to stretch on the telescopic rod when the inclined plane clamping plate moves, and therefore after the pull rod is loosened, the reset spring can drive the inclined plane clamping plate to restore to the original position.

The utility model has the advantages that:

the utility model discloses in, through the installation, the bracing piece, the setting of inclined plane splint, make can insert the instrument between the three inclined plane splint when carrying out the centre gripping to the work piece, can automatic inclined plane splint outwards promote, can make three inclined plane splint press from both sides tight work piece all the time under three reset spring's promotion, and make the instrument be in the intermediate position always, thereby make the position of instrument can not deviate under the condition that does not need to hold by hand, promote the accurate nature of processing, save the cost, and inclined plane splint also can remove simultaneously when the work piece removes, in order to adapt to the position of work piece.

The utility model discloses in, through the setting of thread strip, thread groove, in the thread groove on rotatory installation zone movable thread strip rotation and slip into the lathe chuck, twist after to the end can fix the collar on the lathe chuck to reverse rotation can take off the collar, and the collar of taking off can be used for other lathes on, has promoted the suitability of collar.

Drawings

Fig. 1 is a schematic perspective view of a chuck for an automatic lathe according to the present invention;

fig. 2 is a schematic structural view of a mounting ring portion of a chuck for an automatic lathe according to the present invention;

fig. 3 is a schematic structural view of a thread groove portion of a chuck for an automatic lathe according to the present invention;

fig. 4 is a schematic structural view of a support rod portion of a chuck for an automatic lathe according to the present invention;

fig. 5 is a schematic structural sectional view of a support rod portion of a chuck for an automatic lathe according to the present invention.

In the figure: 1. a lathe chuck; 2. a limiting clamping block; 3. a mounting ring; 4. a support bar; 5. a limiting block; 6. a telescopic rod; 7. a movable rod; 8. a limiting sheet; 9. a pull rod; 10. an inclined plane splint; 11. a threaded strip; 12. a thread groove; 13. a movable hole; 14. a movable groove; 15. an auxiliary spring; 16. a slide hole; 17. a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, a chuck for an automatic lathe comprises a lathe chuck 1, a plurality of limiting clamping blocks 2 are arranged on the lathe chuck 1, a mounting ring 3 is movably sleeved on the lathe chuck 1, a plurality of support rods 4 are fixedly mounted on the mounting ring 3, a limiting block 5 is slidably mounted on the inner wall of each support rod 4, one end of a telescopic rod 6 is fixedly mounted on the top side of each limiting block 5, the other end of each telescopic rod 6 penetrates through one side of each support rod 4 and is movably mounted with a movable rod 7, a limiting piece 8 is fixedly mounted at one end of each movable rod 7, a pull rod 9 is fixedly mounted on one side, far away from the movable rod 7, of each limiting piece 8, an inclined plane clamping plate 10 is fixedly mounted on one side, far away from the pull rod 9, a tool can be inserted between the three inclined plane clamping plates 10 when a workpiece is clamped, the inclined plane clamping plates 10 can be automatically pushed outwards, and the three inclined plane clamping plates 10 can clamp the workpiece all the time under the pushing of three reset springs 17, and the tool is always in the middle position, so that the position of the tool cannot deviate under the condition of not needing to be held by hands, the machining accuracy is improved, the cost is saved, and the inclined plane clamping plate 10 can move simultaneously when the workpiece moves so as to adapt to the position of the workpiece.

Referring to fig. 2, the utility model discloses in, the inner wall fixed mounting of collar 3 has thread strip 11, threaded groove 12 has been seted up on the lathe chuck 1, thread strip 11 and threaded groove 12 looks adaptation cup joint collar 3 on lathe chuck 1, later rotatory collar 3 for in collar 3 drives the threaded groove 12 that thread strip 11 is rotatory and slide into on lathe chuck 1, can fix collar 3 on lathe chuck 1 after screwing to the end, conveniently install or replace collar 3.

Referring to fig. 4, the utility model discloses in, the activity hole 13 has been seted up to the top side of bracing piece 4, and the telescopic link 6 runs through activity hole 13, through the influence of activity hole 13 to telescopic link 6 for telescopic link 6 can slide at the inner wall of bracing piece 4 through activity hole 13.

Referring to fig. 5, the utility model discloses in, movable groove 14 has been seted up to the inner wall of bracing piece 4, and movable groove 14 is linked together with activity hole 13, and stopper 5 slidable mounting is in movable groove 14 for stopper 5 receives movable groove 14's influence, can not drop from stopper 5 in the gliding, thereby makes telescopic link 6 can not drop in the gliding.

Referring to fig. 5, the utility model discloses in, stopper 5's bottom side fixed mounting has auxiliary spring 15's one end, and auxiliary spring 15's other one end fixed mounting can drive auxiliary spring 15 and stretch when stopper 5 removes on the inner wall of activity groove 14, and auxiliary spring 15 can drive stopper 5 normal position that resumes when telescopic link 6 does not receive external force to promote.

Referring to fig. 5, the utility model discloses in, seted up sliding hole 16 on the telescopic link 6, movable rod 7 runs through sliding hole 16 for movable rod 7 receives sliding hole 16 and spacing piece 8's influence, and movable rod 7 can not appear droing in the activity.

Referring to fig. 4, the utility model discloses in, sliding sleeve has reset spring 17 on the movable rod 7, and reset spring 17's both ends respectively fixed mounting in the inclined plane splint 10 and the telescopic link 6 one side that is close to each other can drive reset spring 17 when inclined plane splint 10 removes and stretch on telescopic link 6 to make after loosening pull rod 9, reset spring 17 can drive inclined plane splint 10 and resume the normal position.

The utility model discloses the theory of operation:

the mounting ring 3 is sleeved on a lathe chuck 1, then the mounting ring 3 is rotated, so that the mounting ring 3 drives a thread strip 11 to rotate and slide into a thread groove 12 on the lathe chuck 1, the mounting ring 3 can be fixed on the lathe chuck 1 after being screwed to the end, when a workpiece needs to be clamped and processed by using a limiting clamping block 2, the workpiece needing to be processed can be inserted between three inclined plane clamping plates 10, the workpiece can slide on the inclined plane of the inclined plane clamping plate 10 and push the inclined plane clamping plate 10 outwards when being inserted, so that the movable inclined plane clamping plate 10 drives the movable rod 7 to slide in a sliding hole 16 on the telescopic rod 6 and compresses a reset spring 17, the movable rod 7 can drive the limiting piece 8 and the pull rod 9 to move, so that the movable rod 7 is influenced by the sliding hole 16 and the limiting piece 8, and the movable rod 7 cannot fall off when moving, make three inclined plane splint 10 press from both sides tight work piece all the time under three reset spring 17's promotion, and make the instrument be in intermediate position always, later make it press from both sides tight work piece through the position of adjusting spacing clamp splice 2 can, when needing processing sword adjustment work piece position in the course of working, loosen spacing clamp splice 2, the processing sword can promote the work piece and remove and can make three inclined plane splint 10 to remove, thereby make inclined plane splint 10 drive telescopic link 6 through movable rod 7 and remove, the telescopic link 6 of removal can drive stopper 5 through activity hole 13 and slide in activity groove 14, gliding stopper 5 can drive auxiliary spring 15 and stretch out and draw back, thereby make inclined plane splint 10 can remove along with the removal of work piece, adjust the position of adjusting spacing clamp splice 2 after the position again and press from both sides tight work piece.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an automatic chuck for lathe, includes lathe chuck (1), be equipped with a plurality of spacing clamp splice (2) on lathe chuck (1), its characterized in that: the utility model discloses a lathe chuck, including lathe chuck (1), the activity has cup jointed collar (3) on the lathe chuck (1), fixed mounting has a plurality of bracing pieces (4) on collar (3), the inner wall slidable mounting of bracing piece (4) has stopper (5), the top side fixed mounting of stopper (5) has the one end of telescopic link (6), one side and movable mounting that one end of bracing piece (4) was run through to the other one end of telescopic link (6) have movable rod (7), the one end fixed mounting of movable rod (7) has spacing piece (8), one side fixed mounting that movable rod (7) were kept away from in spacing piece (8) has pull rod (9), one side fixed mounting that pull rod (9) were kept away from in movable rod (7) has inclined plane splint (10).

2. The chuck for automatic lathe according to claim 1, wherein: the inner wall of the mounting ring (3) is fixedly provided with a threaded strip (11), a lathe chuck (1) is provided with a threaded groove (12), and the threaded strip (11) is matched with the threaded groove (12).

3. The chuck for automatic lathe according to claim 1, wherein: the top side of the supporting rod (4) is provided with a movable hole (13), and the telescopic rod (6) penetrates through the movable hole (13).

4. The chuck for automatic lathe according to claim 1, wherein: the inner wall of the supporting rod (4) is provided with a movable groove (14), the movable groove (14) is communicated with the movable hole (13), and the limiting block (5) is slidably mounted in the movable groove (14).

5. The chuck for automatic lathe according to claim 1, wherein: one end of an auxiliary spring (15) is fixedly installed at the bottom side of the limiting block (5), and the other end of the auxiliary spring (15) is fixedly installed on the inner wall of the movable groove (14).

6. The chuck for automatic lathe according to claim 1, wherein: the telescopic rod (6) is provided with a sliding hole (16), and the movable rod (7) penetrates through the sliding hole (16).

7. The chuck for automatic lathe according to claim 1, wherein: the movable rod (7) is sleeved with a return spring (17) in a sliding mode, and two ends of the return spring (17) are fixedly installed on one side, close to the telescopic rod (6), of the inclined plane clamping plate (10) respectively.