CN204148664U - A kind of auxiliary support apparatus for direct-drive type numerical control hobbing knife rest - Google Patents

A kind of auxiliary support apparatus for direct-drive type numerical control hobbing knife rest Download PDF

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Publication number
CN204148664U
CN204148664U CN201420562601.7U CN201420562601U CN204148664U CN 204148664 U CN204148664 U CN 204148664U CN 201420562601 U CN201420562601 U CN 201420562601U CN 204148664 U CN204148664 U CN 204148664U
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China
Prior art keywords
sleeve
gyroaxis
oil tank
knife rest
small oil
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CN201420562601.7U
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Chinese (zh)
Inventor
徐长春
陶新根
闵中华
周伟强
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ZHEJIANG RICHUANG ELECTROMECHANICAL SCIENCE & TECHNOLOGY Co Ltd
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ZHEJIANG RICHUANG ELECTROMECHANICAL SCIENCE & TECHNOLOGY Co Ltd
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Abstract

The utility model discloses a kind of auxiliary support apparatus for direct-drive type numerical control hobbing knife rest, comprise support, small oil tank is equipped with in support, valve piston is provided with in small oil tank, the port of small oil tank is provided with small oil tank lid, the free end of valve piston is connected with sleeve end cap by connecting plate, sleeve end cap is arranged on an end face of sleeve, sleeve is arranged in the chute of support, gyroaxis is provided with in sleeve, gyroaxis is arranged with radial thrust bearing group, gyroaxis is arranged in sleeve by radial thrust bearing group, the outer separator of long inner spacing collar and band oil groove is provided with between radial thrust bearing group, outer separator is provided with between radial thrust bearing group and sleeve end cap, short inner spacing collar is provided with between outer separator and gyroaxis, the axle center place of gyroaxis one end is provided with the taper hole holding knife bar, the side of taper hole is provided with gland, gland is fixedly connected with gyroaxis.The utility model effectively can reduce the length of knife rest, makes the structure of knife rest compacter, and tool changing is convenient.

Description

A kind of auxiliary support apparatus for direct-drive type numerical control hobbing knife rest
Technical field:
The utility model relates to hobbing knife rest technical field, relates to a kind of auxiliary support apparatus of numerical control hobbing knife rest in particular.
Background technology:
Numerically-controlled slide is the most general a kind of servicing unit of numerically controlled lathe, it can make numerically controlled lathe in workpiece clamped one time, complete multiple even all manufacturing procedures, to shorten the non-cutting time of processing, reduce the error caused owing to repeatedly installing workpiece in process, thus improve working (machining) efficiency and the machining accuracy of lathe, auxiliary support apparatus is the pith of numerically-controlled slide, affect the serviceability of knife rest to a great extent, numerical control hobbing knife rest is a class of numerically-controlled slide, on current existing market, the auxiliary support apparatus of numerical control hobbing knife rest is generally that the oil cylinder promoting sleeve is adopted external mounting means, the mounting means of external adds the length of knife rest entirety and there is the shortcoming of tool changing inconvenience, therefore, improved for problems of the prior art.
Summary of the invention:
The purpose of this utility model is exactly the deficiency for prior art, and provides a kind of auxiliary support apparatus for direct-drive type numerical control hobbing knife rest, and it effectively can reduce the length of knife rest, and make the structure of knife rest compacter, tool changing is more convenient.
Technology solution of the present utility model is as follows: a kind of auxiliary support apparatus for direct-drive type numerical control hobbing knife rest, comprise support, small oil tank is equipped with in described support, valve piston is provided with in the accommodating cavity of described small oil tank, the port of described small oil tank is fixedly installed small oil tank lid, the free end of described valve piston is passed small oil tank lid and is fixedly linked by connecting plate and sleeve end cap, described sleeve end cap is fixedly installed on an end face of sleeve, described sleeve is arranged in the chute of support, sleeve does straight reciprocating motion along the chute of described support under the driving of valve piston, gyroaxis is provided with in described sleeve, described gyroaxis is arranged with radial thrust bearing group, gyroaxis is arranged in sleeve by radial thrust bearing group, the outer separator of long inner spacing collar and band oil groove is provided with between described radial thrust bearing group, described long inner spacing collar is set on gyroaxis successively with the radial direction being with the outer separator of oil groove along gyroaxis, outer separator is provided with between described radial thrust bearing group and sleeve end cap, short inner spacing collar is provided with between described outer separator and gyroaxis, described gyroaxis is provided with away from the axle center place of sleeve end cap one end the taper hole holding knife bar, the side of described taper hole is provided with gland, described gland is fixedly connected with gyroaxis, and described gland offers the through hole corresponding with described taper hole.
Preferred as technique scheme, is provided with oilpaper pad between described small oil tank lid and the port of small oil tank.
Preferred as technique scheme, described small oil tank lid is bolted the port being arranged on small oil tank.
Preferred as technique scheme, described small oil tank adopts built-in mounting means.
Preferred as technique scheme, the free end of described valve piston is provided with screw thread, and described connecting plate is connected with the end of thread of valve piston by nut.
Preferred as technique scheme, is separated from each other setting with labyrinth form between described gland and sleeve.
Preferred as technique scheme, described gland is fixedly connected with gyroaxis by bolt.
Preferred as technique scheme, described sleeve end cap is fixedly connected with sleeve by bolt.
Preferred as technique scheme, described radial thrust bearing group is that the radial thrust bearing of two groups of back-to-back settings is formed.
The beneficial effects of the utility model are: the small oil tank promoting sleeve is adopted built-in mounting means, and built-in design reduces the length of whole knife rest, and make the structure of knife rest compacter, tool changing is more convenient.
Accompanying drawing illustrates:
Fig. 1 is the overall structure schematic diagram of the utility model hobbing knife rest;
Fig. 2 is the structural representation of a-quadrant auxiliary support apparatus in Fig. 1.
In figure, 11, valve piston; 12, small oil tank; 13, oilpaper pad; 14, small oil tank lid; 15, connecting plate; 16, nut; 17, sleeve end cap; 18, short inner spacing collar; 19, outer separator; 20, semi-circular bracket; 21, radial thrust bearing; 22, sleeve; 23, the outer separator of oil groove is with; 24, gyroaxis; 25, gland; 26, knife bar; 27, long inner spacing collar.
Detailed description of the invention:
Embodiment: by particular specific embodiment, embodiment of the present utility model is described below, those skilled in the art can understand other advantages of the present utility model and effect easily by content disclosed in the present specification.
See shown in Fig. 1 and Fig. 2, a kind of auxiliary support apparatus for direct-drive type numerical control hobbing knife rest, comprise support 20, small oil tank 12 is equipped with in described support 20, described small oil tank 12 adopts built-in mounting means, valve piston 11 is provided with in the accommodating cavity of described small oil tank 12, the port of described small oil tank 12 is fixedly installed small oil tank lid 14, oilpaper pad 13 is provided with between the port of described small oil tank lid 14 and small oil tank 12, small oil tank lid 14 is bolted the port being arranged on small oil tank 12, the free end of described valve piston 11 is passed small oil tank lid 14 and is fixedly linked by connecting plate 15 and sleeve end cap 17, the free end of described valve piston 11 is provided with screw thread, described connecting plate 15 is connected with the end of thread of valve piston 11 by nut 16, described sleeve end cap 17 is bolted and is arranged on an end face of sleeve 22, described sleeve 22 is arranged in the chute of support 20, sleeve 22 does straight reciprocating motion along the chute of described support 20 under the driving of valve piston 11, gyroaxis 24 is provided with in described sleeve 22, described gyroaxis 24 is arranged with radial thrust bearing 21 groups, described radial thrust bearing 21 groups is that the radial thrust bearing 21 of two groups of back-to-back settings is formed, gyroaxis 24 is arranged in sleeve 22 by radial thrust bearing 21 groups, the outer separator 23 of long inner spacing collar 27 and band oil groove is provided with between described radial thrust bearing 21 groups, described long inner spacing collar 27 is set on gyroaxis 24 with the radial direction being with the outer separator 23 of oil groove along gyroaxis 24 successively, outer separator 19 is provided with between described radial thrust bearing 21 groups and sleeve end cap 17, short inner spacing collar 18 is provided with between described outer separator 19 and gyroaxis 24, described gyroaxis 24 is provided with away from the axle center place of sleeve end cap 17 one end the taper hole holding knife bar 26, the side of described taper hole is provided with gland 25, described gland 25 is fixedly connected with gyroaxis 24 by bolt, and described gland 25 offers the through hole corresponding with described taper hole, setting is separated from each other with labyrinth form between described gland 25 and sleeve 22, this setup can effectively prevent extraneous iron filings or oil from entering in sleeve 22.
Small oil tank 12 of the present utility model adopts built-in mounting means, and described built-in design reduces the length of whole knife rest, and make the structure of knife rest compacter, tool changing is more convenient.Described gyroaxis 24 is rotated in sleeve 22 by radial thrust bearing 21, the gyration of gyroaxis 24 is driven by knife bar 26, when sleeve 22 is when hobboing cutter is close, is pressed in by the taper hole of gyroaxis 24 on knife bar 26, make knife bar 26 drive gyroaxis 24 to rotate, thus play the effect of supplemental support.
Described embodiment in order to illustrative the utility model, but not for limiting the utility model.Any those skilled in the art all without prejudice under spirit of the present utility model and category, can modify to described embodiment, therefore rights protection scope of the present utility model, should listed by claim of the present utility model.

Claims (9)

1. the auxiliary support apparatus for direct-drive type numerical control hobbing knife rest, it is characterized in that: comprise support (20), small oil tank (12) is equipped with in described support (20), valve piston (11) is provided with in the accommodating cavity of described small oil tank (12), the port of described small oil tank (12) is fixedly installed small oil tank lid (14), the free end of described valve piston (11) is passed small oil tank lid (14) and is fixedly linked by connecting plate (15) and sleeve end cap (17), described sleeve end cap (17) is fixedly installed on an end face of sleeve (22), described sleeve (22) is arranged in the chute of support (20), sleeve (22) does straight reciprocating motion along the chute of described support (20) under the driving of valve piston (11), gyroaxis (24) is provided with in described sleeve (22), described gyroaxis (24) is arranged with radial thrust bearing (21) group, gyroaxis (24) is arranged in sleeve (22) by radial thrust bearing (21) group, the outer separator (23) of long inner spacing collar (27) and band oil groove is provided with between described radial thrust bearing (21) group, the outer separator (23) of described long inner spacing collar (27) and band oil groove is set on gyroaxis (24) along the radial direction of gyroaxis (24) successively, outer separator (19) is provided with between described radial thrust bearing (21) group and sleeve end cap (17), short inner spacing collar (18) is provided with between described outer separator (19) and gyroaxis (24), described gyroaxis (24) is provided with away from the axle center place of sleeve end cap (17) one end the taper hole holding knife bar (26), the side of described taper hole is provided with gland (25), described gland (25) is fixedly connected with gyroaxis (24), and described gland (25) offers the through hole corresponding with described taper hole.
2. a kind of auxiliary support apparatus for direct-drive type numerical control hobbing knife rest according to claim 1, is characterized in that: be provided with oilpaper pad (13) between the port of described small oil tank lid (14) and small oil tank (12).
3. a kind of auxiliary support apparatus for direct-drive type numerical control hobbing knife rest according to claim 2, is characterized in that: described small oil tank lid (14) is bolted the port being arranged on small oil tank (12).
4. a kind of auxiliary support apparatus for direct-drive type numerical control hobbing knife rest according to claim 3, is characterized in that: described small oil tank (12) adopts built-in mounting means.
5. a kind of auxiliary support apparatus for direct-drive type numerical control hobbing knife rest according to claim 1, it is characterized in that: the free end of described valve piston (11) is provided with screw thread, described connecting plate (15) is connected by the end of thread of nut (16) with valve piston (11).
6. a kind of auxiliary support apparatus for direct-drive type numerical control hobbing knife rest according to claim 1, is characterized in that: be separated from each other setting with labyrinth form between described gland (25) and sleeve (22).
7. a kind of auxiliary support apparatus for direct-drive type numerical control hobbing knife rest according to claim 6, is characterized in that: described gland (25) is fixedly connected with gyroaxis (24) by bolt.
8. a kind of auxiliary support apparatus for direct-drive type numerical control hobbing knife rest according to claim 1, is characterized in that: described sleeve end cap (17) is fixedly connected with sleeve (22) by bolt.
9. a kind of auxiliary support apparatus for direct-drive type numerical control hobbing knife rest according to claim 1, is characterized in that: described radial thrust bearing (21) group is that the radial thrust bearing (21) of two groups of back-to-back settings is formed.
CN201420562601.7U 2014-09-28 2014-09-28 A kind of auxiliary support apparatus for direct-drive type numerical control hobbing knife rest Active CN204148664U (en)

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Application Number Priority Date Filing Date Title
CN201420562601.7U CN204148664U (en) 2014-09-28 2014-09-28 A kind of auxiliary support apparatus for direct-drive type numerical control hobbing knife rest

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420562601.7U CN204148664U (en) 2014-09-28 2014-09-28 A kind of auxiliary support apparatus for direct-drive type numerical control hobbing knife rest

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CN204148664U true CN204148664U (en) 2015-02-11

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104308289A (en) * 2014-09-28 2015-01-28 浙江日创机电科技有限公司 Auxiliary supporting device for direct-drive numerical-control hobbing tool rest

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104308289A (en) * 2014-09-28 2015-01-28 浙江日创机电科技有限公司 Auxiliary supporting device for direct-drive numerical-control hobbing tool rest

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