CN214816850U

CN214816850U - Hollow hydraulic chuck positioning shaft device

Info

Publication number: CN214816850U
Application number: CN202121452740.0U
Authority: CN
Inventors: 熊培炽; 姚朋昌; 陈晓波; 曾庆豪; 齐真
Original assignee: Changzhou Shujia Machinery Co ltd
Current assignee: Changzhou Shujia Machinery Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2021-11-23
Anticipated expiration: 2031-06-28

Abstract

The utility model belongs to the technical field of this application axle type parts machining and specifically relates to a cavity hydraulic chuck location axle class device is related to, including the mount pad, rotate on the mount pad and be provided with the pivot, be provided with the chuck in the pivot, the chuck includes disk body and clamping jaw, and the inside of disk body is hollow structure, fixed mounting has an extension section of thick bamboo in the hollow structure, the one end that an extension section of thick bamboo is close to the pivot is located between pivot and the disk body. This application has the effect that improves the stability of axle type part centre gripping on the chuck.

Description

Hollow hydraulic chuck positioning shaft device

Technical Field

The application relates to the field of shaft part machining, in particular to a hollow hydraulic chuck positioning shaft device.

Background

The shaft part is one of typical parts frequently encountered in hardware fittings, and can be generally divided into an optical axis, a stepped axis and a special-shaped axis according to different structural forms of the shaft part. And can be classified into solid shafts, hollow shafts and the like.

In the related art, shaft parts are machined by a machine tool. The lathe includes the mount pad, rotates on the mount pad and is provided with the pivot, and fixed mounting has the chuck in the pivot, and the chuck includes disk body and clamping jaw, and the inside of disk body is hollow structure. When the shaft parts are machined, the end parts of the shaft parts need to be located in the hollow structure of the chuck, the shaft parts are clamped on the clamping jaws of the chuck, then the chuck is rotated, the shaft parts are machined by using a cutting tool, and cooling liquid is sprayed to cool the shaft parts during machining.

In view of the above-mentioned related technologies, the inventor thinks that because the part axle type part is longer, when this part axle type part centre gripping is on the chuck, the chuck centre gripping is in the position that axle type part is close to the tip, has the problem that the one end downward sloping that axle type part kept away from the chuck, leads to the difficult centre gripping of axle type part to stabilize.

SUMMERY OF THE UTILITY MODEL

In order to improve the stability of axle type part centre gripping on the chuck, this application provides a cavity hydraulic chuck location axle class device.

The application provides a pair of cavity hydraulic chuck location axle class device adopts following technical scheme:

the utility model provides a cavity hydraulic chuck location axle class device, includes the mount pad, rotates on the mount pad and is provided with the pivot, is provided with the chuck in the pivot, and the chuck includes disk body and clamping jaw, and the inside of disk body is hollow structure, fixed mounting has an extension section of thick bamboo in the hollow structure, the one end that an extension section of thick bamboo is close to the pivot is located between pivot and the disk body.

By adopting the technical scheme, the length of the part of the lengthening cylinder between the rotating shaft and the disc body can be set according to the length of the shaft parts. The staff sets up in the extension section of thick bamboo through the tip with axle type part, then is fixed in the chuck with axle type part through the clamping jaw on, makes the position of the fixed axle type part of chuck more be close to the middle part of axle type part, and extension section of thick bamboo can carry on spacingly to axle type part simultaneously, makes the difficult downward sloping of one end that the chuck was kept away from to axle type part, improves the stability of axle type part centre gripping on the chuck.

Optionally, one end of the lengthening cylinder, which is close to the rotating shaft, is fixedly connected with a positioning plate, and the positioning plate is covered at an opening of the lengthening cylinder, which is close to one end of the rotating shaft.

Through adopting above-mentioned technical scheme, the locating plate can pinpoint the position that axle type part was placed in the extension section of thick bamboo, and the staff of being convenient for is fast with axle type part centre gripping on the chuck.

Optionally, a sealing layer is arranged on the peripheral side wall of the lengthening cylinder, and the hollow structure and the lengthening cylinder are sealed through the sealing layer.

Through adopting above-mentioned technical scheme, the sealing layer can seal between hollow structure and the extension section of thick bamboo to make the coolant liquid during processing difficult for getting into the chuck.

Optionally, the extension cylinder includes a first combination cylinder and a second combination cylinder which are coaxially arranged, the first combination cylinder is far away from the rotating shaft compared with the second combination cylinder, the first combination cylinder is located in the hollow structure, and the second combination cylinder penetrates through the hollow structure and is located between the disc body and the rotating shaft;

the inner diameters of the first combination cylinder and the second combination cylinder are equal, the outer diameter of the first combination cylinder is larger than that of the second combination cylinder, and the second combination cylinder is fixedly connected with the first combination cylinder to form a sealing platform;

the sealing ring matched with the sealing table is arranged in the hollow structure, the sealing table is abutted to the sealing ring, and the sealing layer is further arranged at the sealing table.

Through adopting above-mentioned technical scheme, the setting of sealing ring and seal table has increased the coolant liquid and has kept away from the one end of pivot to the disk body from the stroke between the one end of pivot, and the sealing layer still sets up in seal table department to make in the coolant liquid is more difficult for getting into the disk body.

Optionally, the fixed mounting panel that is provided with on the week lateral wall of the one end of pivot is kept away from to extension section of thick bamboo, set up the mounting groove that supplies the mounting panel to put into on the one side of pivot is kept away from to the disk body, the mounting panel is fixed to be set up in the mounting groove.

Through adopting above-mentioned technical scheme, through with mounting panel fixed mounting in the mounting groove to with a long section of thick bamboo fixed mounting in hollow structure, be convenient for extend the installation of a section of thick bamboo.

Optionally, the mounting plate is provided with a plurality of blocks and located in different directions of the peripheral side wall of the lengthening cylinder.

Through adopting above-mentioned technical scheme, the setting of polylith mounting panel, and the polylith mounting panel is located the not equidirectional of extension section of thick bamboo week lateral wall, has improved the stability of extension section of thick bamboo installation.

Optionally, the rotating shaft is fixedly connected with the positioning plate, and the rotating shaft and the lengthened cylinder are coaxially arranged.

Through adopting above-mentioned technical scheme, the pivot rotates to drive the rotation of extension section of thick bamboo, be convenient for realize that the pivot drives the chuck and rotates.

Optionally, a mounting ring is sleeved at one end of the rotating shaft close to the disc body, the mounting ring is fixedly connected with the rotating shaft, and the mounting ring is connected with the positioning plate through a screw; the one side that the disk body was kept away from to the locating plate is seted up the mounting hole, the one end that the pivot is close to the disk body is inlayed and is located the mounting hole.

Through adopting above-mentioned technical scheme, through the setting of collar, realized installing the pivot on the locating plate. Meanwhile, the gravity of the chuck can be borne by the joint of the mounting ring and the positioning plate and also by the inner wall of the mounting hole due to the arrangement of the mounting hole, so that the stress of the joint of the mounting ring and the positioning plate is reduced, screws at the joint are not easy to loosen, and the connection stability of the rotating shaft and the positioning plate is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the length of the part, located between the rotating shaft and the disc body, of the lengthening cylinder can be set according to the length of the shaft part, a worker embeds the end part of the shaft part into the lengthening cylinder, then fixes the shaft part on the chuck through the clamping jaw, so that the position, where the chuck fixes the shaft part, is closer to the middle part of the shaft part, and meanwhile, the lengthening cylinder can limit the shaft part, so that one end, away from the chuck, of the shaft part is not prone to being inclined downwards, and the stability of clamping the shaft part on the chuck is improved;

2. the positioning plate can accurately position the position of the shaft part in the lengthened cylinder, so that a worker can conveniently and quickly clamp the shaft part on the chuck;

3. the sealing layer can seal the hollow structure and the lengthened cylinder, so that cooling liquid during processing is not easy to enter the chuck.

Drawings

Fig. 1 is a schematic structural diagram of an overall structure of a hollow hydraulic chuck positioning shaft device used for showing in an embodiment of the present application.

Fig. 2 is a schematic diagram for showing a hollow structure in the embodiment of the present application.

Fig. 3 is a schematic structural diagram for showing a sealing layer in the embodiment of the present application.

FIG. 4 is a schematic structural diagram for showing a mounting plate in the embodiment of the present application

Description of reference numerals: 1. a mounting seat; 2. a rotating shaft; 21. a mounting ring; 3. a chuck; 31. a tray body; 311. a hollow structure; 312. mounting grooves; 32. a clamping jaw; 4. lengthening the barrel; 41. a first combining cylinder; 42. a second combination cylinder; 43. a sealing table; 5. a seal ring; 6. a sealing layer; 7. positioning a plate; 71. mounting holes; 8. shaft parts; 9. and (7) mounting the plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses cavity hydraulic chuck location axle class device. Referring to fig. 1 and 2, the hollow hydraulic chuck positioning shaft device includes a mounting base 1, a rotating shaft 2 is rotatably mounted on the mounting base 1, and a structure capable of rotating the rotating shaft 2 is not shown in a structure diagram of rotating the rotating shaft 2. The end of the rotating shaft 2 is provided with a hydraulic three-jaw chuck 3, the chuck 3 comprises a disk body 31 and a clamping jaw 32, and the interior of the disk body 31 is a hollow structure 311. The hollow structure 311 is internally and fixedly provided with a lengthening cylinder 4, and the rotating shaft 2 and the lengthening cylinder 4 are coaxially arranged.

Referring to fig. 2, the extension cylinder 4 includes a first combination cylinder 41 and a second combination cylinder 42 which are coaxially disposed, the first combination cylinder 41 is far from the rotation shaft 2 than the second combination cylinder 42, the first combination cylinder 41 is located in the hollow structure 311, and the second combination cylinder 42 passes through the hollow structure 311 and is located between the disc body 31 and the rotation shaft 2. The inner diameters of the first combination cylinder 41 and the second combination cylinder 42 are equal, the outer diameter of the first combination cylinder 41 is larger than the outer diameter of the second combination cylinder 42, and the two ends of the second combination cylinder 42, which are close to the first combination cylinder 41, are integrally formed to form a sealing table 43.

Referring to fig. 2 and 3, a sealing ring 5 fitted to the sealing table 43 is mounted at one end of the hollow structure 311 close to the rotating shaft 2, a peripheral side wall of the sealing ring 5 is integrally formed with an inner side wall of the hollow structure 311, and the sealing table 43 abuts against the sealing ring 5. The peripheral side wall of the first combination cylinder 41, the peripheral side wall of the second combination cylinder 42 and the sealing table 43 are provided with sealing layers 6, the sealing layers 6 are butter, and the butter is used for sealing between the hollow structure 311 and the extension cylinder 4, so that cooling liquid sprayed during processing is not easy to enter the chuck 3.

Referring to fig. 2 and 3, a positioning plate 7 is integrally formed at one end of the second combination barrel 42 close to the rotating shaft 2, and the positioning plate 7 is covered at an opening of one end of the extension barrel 4 close to the rotating shaft 2. The positioning plate 7 is used for positioning the shaft part 8 in the position of the lengthened cylinder 4, so that a worker can rapidly clamp the shaft part 8 on the chuck 3. The positioning plate 7 has a mounting hole 71 on a surface thereof away from the plate 31, and one end of the rotating shaft 2 close to the plate 31 is embedded in the mounting hole 71. The rotating shaft 2 is provided with a mounting ring 21 in a sleeved mode at one end close to the second combined cylinder 42, the inner side wall of the mounting ring 21 is fixedly connected with the outer side wall of the rotating shaft 2, and the mounting ring 21 is fixedly connected with the positioning plate 7 through screws so as to facilitate the mounting of the chuck 3 on the rotating shaft 2.

The rotating shaft 2 rotates to drive the lengthening cylinder 4 to rotate, and then the rotating shaft 2 drives the chuck 3 to rotate. The mounting hole 71 enables the gravity of the chuck 3 to be shared by the joint of the mounting ring 21 and the positioning plate 7 and the inner wall of the mounting hole 71, so that the stress at the joint of the mounting ring 21 and the positioning plate 7 is reduced, the screws at the joint are not easy to loosen, and the connection stability of the rotating shaft 2 and the positioning plate 7 is improved.

Referring to fig. 2 and 4, a mounting plate 9 is fixedly connected to a peripheral side wall of one end of the first combining cylinder 41 away from the rotating shaft 2, a mounting groove 312 for placing the mounting plate 9 is formed in one surface of the tray body 31 away from the rotating shaft 2, and the mounting plate 9 is fixedly mounted in the mounting groove 312 through screws. The mounting plate 9 is connected with a plurality of blocks, in this embodiment, there are three mounting plates 9, and three mounting plates 9 are mutually and fixedly connected and are in a triangular array, so that the mounting plates 9 are located in different directions of the peripheral side wall of the extension cylinder 4, and the stability of the extension cylinder 4 mounted in the hollow structure 311 is ensured.

The implementation principle of cavity hydraulic chuck location axle class device of this application embodiment does: the length of the portion of the extension cylinder 4 between the rotary shaft 2 and the disc body 31 may be set according to the length of the shaft-like part 8. The worker mounts the mounting plate 9 in the mounting groove 312 by screws, thereby mounting the extension cylinder 4 in the hollow structure 311. Then inlay the tip of axle type part 8 and locate in extension section of thick bamboo 4 to on being fixed in chuck 3 with axle type part 8 through clamping jaw 32, make the position of chuck 3 fixed axle type part 8 more be close to the middle part of axle type part 8, extension section of thick bamboo 4 can carry on spacingly to axle type part 8 simultaneously, make axle type part 8 keep away from the difficult downward sloping of one end of chuck 3, improve the stability of axle type part 8 centre gripping on chuck 3.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a cavity hydraulic chuck location axle class device, includes mount pad (1), rotates on mount pad (1) and is provided with pivot (2), is provided with chuck (3) on pivot (2), and chuck (3) are including disk body (31) and clamping jaw (32), and the inside of disk body (31) is hollow structure (311), its characterized in that: a lengthening cylinder (4) is fixedly mounted in the hollow structure (311), and one end, close to the rotating shaft (2), of the lengthening cylinder (4) is located between the rotating shaft (2) and the disc body (31).

2. The hollow hydraulic chuck positioning shaft device as claimed in claim 1, wherein: one end of the lengthening cylinder (4) close to the rotating shaft (2) is fixedly connected with a positioning plate (7), and the positioning plate (7) is covered on an opening of the lengthening cylinder (4) close to one end of the rotating shaft (2).

3. The hollow hydraulic chuck positioning shaft device as claimed in claim 1, wherein: the peripheral side wall of the lengthening cylinder (4) is provided with a sealing layer (6), and the hollow structure (311) and the lengthening cylinder (4) are sealed through the sealing layer (6).

4. The hollow hydraulic chuck positioning shaft device as claimed in claim 3, wherein: the lengthening cylinder (4) comprises a first combination cylinder (41) and a second combination cylinder (42) which are coaxially arranged, the first combination cylinder (41) is far away from the rotating shaft (2) compared with the second combination cylinder (42), the first combination cylinder (41) is positioned in the hollow structure (311), and the second combination cylinder (42) penetrates through the hollow structure (311) and is positioned between the disc body (31) and the rotating shaft (2);

the inner diameters of the first combined cylinder (41) and the second combined cylinder (42) are equal, the outer diameter of the first combined cylinder (41) is larger than that of the second combined cylinder (42), and the second combined cylinder (42) is fixedly connected with the first combined cylinder (41) and is provided with a sealing table (43);

and a sealing ring (5) matched with the sealing table (43) is arranged in the hollow structure (311), the sealing table (43) is abutted against the sealing ring (5), and the sealing layer (6) is also arranged at the sealing table (43).

5. The hollow hydraulic chuck positioning shaft device as claimed in claim 1, wherein: the fixed mounting panel (9) that is provided with on the week lateral wall of the one end of pivot (2) is kept away from in extension section of thick bamboo (4), set up mounting groove (312) that supply mounting panel (9) to put into on the one side of pivot (2) is kept away from in disk body (31), mounting panel (9) fixed set up in mounting groove (312).

6. The hollow hydraulic chuck positioning shaft device as claimed in claim 5, wherein: the mounting plate (9) is provided with a plurality of blocks and is positioned in different directions of the peripheral side wall of the lengthening cylinder (4).

7. The hollow hydraulic chuck positioning shaft device as claimed in claim 2, wherein: the rotating shaft (2) is fixedly connected with the positioning plate (7), and the rotating shaft (2) and the lengthening barrel (4) are coaxially arranged.

8. The hollow hydraulic chuck positioning shaft device as claimed in claim 7, wherein: the one side of locating plate (7) far away from disk body (31) has seted up mounting hole (71), the one end that pivot (2) is close to disk body (31) is located mounting hole (71).