CN210967882U

CN210967882U - Chuck mechanism of large-scale numerical control machine tool

Info

Publication number: CN210967882U
Application number: CN201922169454.2U
Authority: CN
Inventors: 邱兆杰; 邱兆阳; 祝新凯
Original assignee: Qingdao Outstanding Precision Machinery Co Ltd
Current assignee: Qingdao Outstanding Precision Machinery Co Ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-07-10
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a chuck mechanism of large-scale digit control machine tool, which comprises a main shaft, it is provided with the lower clamping jaw corresponding with last clamping jaw to combine downthehole upper end to be provided with the clamping jaw and combine downthehole lower extreme, it is provided with the first side clamping jaw and the second side clamping jaw of mutual correspondence to combine downthehole both sides, it is provided with the pilot hole to go up clamping jaw, lower clamping jaw, first side clamping jaw and second side clamping jaw inboard, the equal fixedly connected with telescopic cylinder of lateral wall in the constant head tank, the inboard equal fixed connection of locating piece is in the outside of last clamping jaw, lower clamping jaw, first side clamping jaw and second side clamping jaw. The utility model discloses in, replace the manual work with telescopic cylinder and carry out the centre gripping action, press from both sides tight effect better, the centre gripping is more firm, very big reduction the damage quantity of cutter and work piece, practiced thrift a large amount of costs, be provided with the blotter moreover, can prevent to lead to the handle of a knife deformation damage because the centre gripping is too tight, still effectively reduced wearing and tearing, be worth wideling popularize.

Description

Chuck mechanism of large-scale numerical control machine tool

Technical Field

The utility model relates to a machining manufacture equipment technical field especially relates to a chuck mechanism of large-scale digit control machine tool.

Background

The chuck is called as elastic chuck or collet chuck, it is a kind of cylindrical clamp used for fixing and fastening the bit or milling cutter used for installing on milling machine, it is a kind of fixing device used for fixing and reinforcing the part needing to be reformed, with the development of economy, the demand of manufacturing and processing industry is increasing, in order to raise efficiency and reduce cost, the machine tool is used for machining and has become better choice, and in order to further raise manufacturing efficiency and product effect, the introduction of numerical control processing is needed, and the clamping to the tool is very important when numerical control processing.

However, most of the conventional chuck mechanisms are manually locked, the clamping effect is general and needs to be improved, and particularly, the manual locking effect is poorer in the chuck mechanism for the large-scale numerical control machine tool, so that the clamped tool is extremely easy to deviate in the machining process to cause damage to the tool and a workpiece, a large amount of cost is wasted, and the production efficiency is also seriously influenced.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing a chuck mechanism of a large-scale numerical control machine tool.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a chuck mechanism of large-scale digit control machine tool, includes the main shaft, main shaft front end central point puts and is provided with the combination hole, the downthehole upper end of combination hole is provided with clamping jaw and the downthehole lower extreme of combination is provided with the lower clamping jaw corresponding with last clamping jaw, the downthehole both sides of combination are provided with first side clamping jaw and the second side clamping jaw of mutual correspondence, it is provided with the pilot hole to go up clamping jaw, lower clamping jaw, first side clamping jaw and second side clamping jaw inboard, it all is provided with the blotter to go up clamping jaw, first side clamping jaw and second side clamping jaw inboard, the combination hole external diameter is in the upper and lower both ends and both sides of main shaft and all are provided with the constant head tank, the equal fixedly connected with telescopic cylinder of lateral wall in the constant head tank, all be provided with the telescopic link in the telescopic, The outer sides of the lower jaw, the first side jaw and the second side jaw.

As a further description of the above technical solution:

the upper clamping jaw, the lower clamping jaw, the first side clamping jaw and the second side clamping jaw are all in a shape of a quarter cylinder.

As a further description of the above technical solution:

and a tool handle is arranged in the assembling hole.

As a further description of the above technical solution:

the inner side wall of the assembling hole is fixedly connected with a top support block corresponding to the knife handle.

As a further description of the above technical solution:

the combination hole is communicated with the positioning groove.

As a further description of the above technical solution:

the equal fixedly connected with trachea in telescopic cylinder outside and trachea run through the main shaft lateral wall and outwards extend.

As a further description of the above technical solution:

and a driving connecting hole is formed in the central position of the rear end of the main shaft.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, at first with last clamping jaw, the lower clamping jaw, first side clamping jaw and second side clamping jaw insert main epaxial combination downthehole, make the last clamping jaw, the lower clamping jaw, first side clamping jaw and second side clamping jaw outside are all just to a constant head tank, then insert the handle of a knife of cutter in the mounting hole, let in compressed gas from the trachea again and make telescopic cylinder work, and promote the locating piece through the telescopic link, and then make the locating piece promote the clamping jaw, the lower clamping jaw, first side clamping jaw and the outer whole removal of inboard of second side clamping jaw, thereby press from both sides the handle of a knife tightly, then through main epaxial drive connecting hole with chuck mechanism assembly on drive arrangement can, because replace the manual work with telescopic cylinder and carry out the centre gripping action, it is better to press from both sides tight effect, and the centre gripping is more firm, very.

2. The utility model discloses in, all be provided with the blotter at last clamping jaw, lower clamping jaw, first side clamping jaw and second side clamping jaw inboard and handle of a knife contact position, can prevent to lead to the handle of a knife deformation to damage because the centre gripping is too tight, effectively reduced the mutual wearing and tearing between last clamping jaw, lower clamping jaw, first side clamping jaw and second side clamping jaw and the handle of a knife moreover, be worth wideling popularize.

Drawings

Fig. 1 is a side view of a chuck mechanism of a large numerical control machine tool according to the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is an enlarged view at B of FIG. 1;

fig. 4 is a front view of the chuck mechanism of the large numerical control machine tool according to the present invention.

Illustration of the drawings:

1. a main shaft; 2. a coupling hole; 3. an upper clamping jaw; 4. an assembly hole; 5. a knife handle; 6. a driving connection hole; 7. positioning a groove; 8. a telescopic cylinder; 9. a telescopic rod; 10. positioning blocks; 11. an air tube; 12. a jacking block; 13. a cushion pad; 14. a first side jaw; 15. a lower jaw; 16. a second side jaw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a chuck mechanism of a large-scale numerical control machine tool comprises a main shaft 1, a combination hole 2 is arranged at the center of the front end of the main shaft 1, an upper clamping jaw 3 is arranged at the upper end in the combination hole 2, a lower clamping jaw 15 corresponding to the upper clamping jaw 3 is arranged at the lower end in the combination hole 2, a first side clamping jaw 14 and a second side clamping jaw 16 which correspond to each other are arranged at two sides in the combination hole 2, assembly holes 4 are arranged at the inner sides of the upper clamping jaw 3, the lower clamping jaw 15, the first side clamping jaw 14 and the second side clamping jaw 16, cushion pads 13 are arranged at the inner sides of the upper clamping jaw 3, the lower clamping jaw 15, the first side clamping jaw 14 and the second side clamping jaw 16, the cushion pads 13 can prevent a tool shank 5 from being deformed and damaged due to over-tight clamping, the mutual abrasion among the tool shank 5, the upper clamping jaw 3, the lower clamping jaw 15, the first side clamping jaw, the equal fixedly connected with telescopic cylinder 8 of lateral wall in the constant head tank 7, all be provided with telescopic link 9 and telescopic link 9 one end in the telescopic cylinder 8 and extend to the inboard and equal fixed connection in the outside of locating piece 10, the equal fixed connection in inboard of locating piece 10 is at last clamping jaw 3, lower clamping jaw 15, the outside of first side clamping jaw 14 and second side clamping jaw 16, can make telescopic link 9 promote last clamping jaw 3 when telescopic cylinder 8 during operation, lower clamping jaw 15, the outside of first side clamping jaw 14 and second side clamping jaw 16, make last clamping jaw 3, lower clamping jaw 15, first side clamping jaw 14 and second side clamping jaw 16 all receive upwards power and inboard 4 direction removal of assembly hole promptly, and then 5 centre grippings of handle of a knife that will insert assembly hole 4 press from both sides tightly.

The upper clamping jaw 3, the lower clamping jaw 15, the first side clamping jaw 14 and the second side clamping jaw 16 are all in a quarter cylinder shape, so that the upper clamping jaw 3, the lower clamping jaw 15, the first side clamping jaw 14 and the second side clamping jaw 16 can be assembled in the combining hole 2 in a combined mode to form an inner assembling hole 4, the knife handle 5 is arranged in the assembling hole 4, the inner side wall of the assembling hole 4 is fixedly connected with a top support block 12 corresponding to the knife handle 5, the top support block 12 is arranged to prevent the knife handle 5 from being inserted into the assembling hole 4 too deeply, the combining hole 2 is communicated with the positioning groove 7, so that a positioning block 10 in the positioning groove 7 can extend into the combining hole 2 from the positioning groove 7 to further push the upper clamping jaw 3, the lower clamping jaw 15, the first side clamping jaw 14 and the second side clamping jaw 16 to move inwards and clamp the knife handle 5, in addition, the outer side of the telescopic cylinder 8 is fixedly connected, the gas pipe 11 is externally connected with compressed gas, the telescopic cylinder 8 can work through the compressed gas in the gas pipe 11, the driving connecting hole 6 is formed in the center of the rear end of the main shaft 1, and the main shaft 1 can assemble the chuck mechanism on the driving device through the driving connecting hole 6.

The working principle is as follows: firstly, an upper clamping jaw 3, a lower clamping jaw 15, a first side clamping jaw 14 and a second side clamping jaw 16 are assembled and inserted into a combination hole 2, so that the outer sides of the upper clamping jaw 3, the lower clamping jaw 15, the first side clamping jaw 14 and the second side clamping jaw 16 are just opposite to a positioning groove 7, then a tool shank 5 of a tool is inserted into an assembly hole 4, compressed air is introduced into a telescopic cylinder 8 from an air pipe 11, the telescopic cylinder 8 works and enables a telescopic rod 9 to push each positioning block 10, the positioning blocks 10 are pushed into the combination hole 2 from the positioning grooves 7 and push the outer sides of the upper clamping jaw 3, the lower clamping jaw 15, the first side clamping jaw 14 and the second side clamping jaw 16, the upper clamping jaw 3, the lower clamping jaw 15, the first side clamping jaw 14 and the second side clamping jaw 16 all move inwards, and then the chuck mechanism is assembled on a driving device through a driving connecting hole 6.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a chuck mechanism of large-scale digit control machine tool, includes main shaft (1), its characterized in that: the front end central position of the main shaft (1) is provided with a combination hole (2), the upper end in the combination hole (2) is provided with an upper clamping jaw (3), the lower end in the combination hole (2) is provided with a lower clamping jaw (15) corresponding to the upper clamping jaw (3), the inner sides of the combination hole (2) are provided with a first side clamping jaw (14) and a second side clamping jaw (16) corresponding to each other, the inner sides of the upper clamping jaw (3), the lower clamping jaw (15), the first side clamping jaw (14) and the second side clamping jaw (16) are provided with assembly holes (4), the inner sides of the upper clamping jaw (3), the lower clamping jaw (15), the first side clamping jaw (14) and the second side clamping jaw (16) are provided with cushion pads (13), the outer diameters of the combination hole (2) are positioned at the upper end and the lower end and the two sides of the main shaft (1) and are provided with positioning grooves (, all be provided with telescopic link (9) and telescopic link (9) one end in telescopic cylinder (8) and extend to the inboard and equal fixed connection in the outside of locating piece (10), the inboard equal fixed connection of locating piece (10) is in the outside of last clamping jaw (3), lower clamping jaw (15), first side clamping jaw (14) and second side clamping jaw (16).

2. The chuck mechanism for large numerical control machine tools according to claim 1, wherein: the upper clamping jaw (3), the lower clamping jaw (15), the first side clamping jaw (14) and the second side clamping jaw (16) are all in a quarter cylinder shape.

3. The chuck mechanism for large numerical control machine tools according to claim 1, wherein: and a tool handle (5) is arranged in the assembling hole (4).

4. The chuck mechanism for large numerical control machine tools according to claim 1, wherein: and the inner side wall of the assembly hole (4) is fixedly connected with a top support block (12) corresponding to the knife handle (5).

5. The chuck mechanism for large numerical control machine tools according to claim 1, wherein: the combination hole (2) and the positioning groove (7) are communicated with each other.

6. The chuck mechanism for large numerical control machine tools according to claim 1, wherein: the outer side of the telescopic cylinder (8) is fixedly connected with an air pipe (11) and the air pipe (11) penetrates through the side wall of the main shaft (1) to extend outwards.

7. The chuck mechanism for large numerical control machine tools according to claim 1, wherein: and a driving connecting hole (6) is formed in the center of the rear end of the main shaft (1).