CN104551020B - central hole processing lathe - Google Patents

central hole processing lathe Download PDF

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Publication number
CN104551020B
CN104551020B CN201410718298.XA CN201410718298A CN104551020B CN 104551020 B CN104551020 B CN 104551020B CN 201410718298 A CN201410718298 A CN 201410718298A CN 104551020 B CN104551020 B CN 104551020B
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CN
China
Prior art keywords
shaft
screw
lathe
axle sleeve
tailstock
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Application number
CN201410718298.XA
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Chinese (zh)
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CN104551020A (en
Inventor
李仪平
沃春耀
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHEJIANG ANTONG AUTO PARTS Co Ltd
Original Assignee
ZHEJIANG ANTONG AUTO PARTS Co Ltd
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Application filed by ZHEJIANG ANTONG AUTO PARTS Co Ltd filed Critical ZHEJIANG ANTONG AUTO PARTS Co Ltd
Priority to CN201410718298.XA priority Critical patent/CN104551020B/en
Publication of CN104551020A publication Critical patent/CN104551020A/en
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Publication of CN104551020B publication Critical patent/CN104551020B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B43/00Boring or drilling devices able to be attached to a machine tool, whether or not replacing an operative portion of the machine tool
    • B23B43/02Boring or drilling devices able to be attached to a machine tool, whether or not replacing an operative portion of the machine tool to the tailstock of a lathe

Abstract

The invention relates to the field of central hole processing equipment and provides a central hole processing lathe. The central hole processing lathe comprises a normal lathe provided with a lathe body, a main shaft box, a main shaft located in the main shaft box and a tail base, wherein the central hole processing lathe further comprises a connecting shaft, a drill clamping head, an inner shaft sleeve, an outer shaft sleeve, at least two anti-reversing boards and a two-way feeding retracting device, the connecting shaft is arranged in a main shaft hole of the main shaft, the drill clamping head is provided with a main shaft end central drill and is connected with the front end of the connecting shaft, the inner shaft sleeve sleeves outside the connecting shaft and is axially connected with the connecting shaft in a sliding mode, the outer shaft sleeve is pivoted with the inner shaft sleeve, the outer side periphery of the outer shaft sleeve is connected with the main shaft hole, the anti-reversing boards are axially connected with the back part of the connecting shaft through a spline in a sliding mode, the anti-reversing boards are connected with the back end of the main shaft box, one end of the two-way feeding retracting device is connected with the back end of the connecting shaft, and the other end of the two-way feeding retracting device is connected with the tail base. The central hole processing lathe can simultaneously process the central holes in the two ends of axis type elements.

Description

Centre bore lathe for machining
Technical field
The present invention relates to device for processing center hole field, especially a kind of centre bore lathe for machining.
Background technology
Drill centers is shaft-like workpiece operation before turnery processing;Chinese Patent Application No.: a kind of mobile convenient center hole drilling machine of the disclosure of the invention of 201110270399.1.Fixing guide pillar is installed in this invention at the back side of three-jaw center chuck, at guide pillar transportable slide plate installed above, and the operating mechanisms such as hydraulic motor are fixed on above slide plate, the Driven by Hydraulic Cylinder being made up of with annular piston the annular piston cylinder being arranged on guide pillar end with retrogressing of advancing of slide plate.There is the deficiency that the centre bore at axial workpiece two ends can not be processed simultaneously in this centre hole drilling machine;Therefore, design the centre bore lathe for machining that the centre bore at a kind of axial workpiece two ends can be processed simultaneously, become problem demanding prompt solution.
Summary of the invention
The invention aims to overcome current centre hole drilling machine to there is the deficiency that the centre bore at axial workpiece two ends can not be processed simultaneously, it is provided that the centre bore lathe for machining that the centre bore at a kind of axial workpiece two ends can be processed simultaneously.
The concrete technical scheme of the present invention is:
A kind of centre bore lathe for machining, including being provided with lathe bed, main spindle box, the main shaft being positioned in main spindle box, the engine lathe of tailstock;Described centre bore lathe for machining also includes the connecting shaft being located in the spindle hole of main shaft, it is provided with spindle end centre drill the drill chuck being connected with connecting shaft front end, it is set in the internal axle sleeve that connecting shaft is outer and is in axial sliding connection with connecting shaft, the outer shaft being connected with spindle hole with internal axle sleeve pivot joint and outer gusset, it is in axial sliding connection and is provided with the torsional stop of the leg that at least two is connected, two-way feed tool retracting device with main spindle box rear end by spline with connecting shaft rear portion;One end of two-way feed tool retracting device is connected with the rear end of connecting shaft, and the other end is connected with the handwheel of tailstock.When this centre bore lathe for machining uses, shaft-like workpiece one end is clamped in the three-jaw self-centering chuck being connected with main shaft, the tailstock equipped with tailstock end centre drill is promoted to arrive from the suitable position of workpiece fixing tailstock, main shaft drives workpiece to rotate, the handwheel rotating tailstock makes the sleeve of tailstock drive tailstock end centre drill feeding drilling, meanwhile, the handwheel of rotation makes connecting shaft, drill chuck drive spindle end centre drill feeding drilling by two-way feed tool retracting device;After having holed, rotate backward handwheel, tailstock end centre drill withdrawing and withdrawing two-way feed tool retracting device effect lower main axis end centre drill while;This centre bore lathe for machining makes the centre bore at axial workpiece two ends to process simultaneously.
As preferably, described two-way feed tool retracting device includes that rear end is provided with the transverse axis of adapter sleeve, two respectively with transverse axis pivot joint the support that is connected with lathe bed side, between two supports and be provided with the installing plate being set in outside transverse axis the mounting seat being connected with tailstock side, with the pivot joint of installing plate rear end the driven synchronous pulley that is in axial sliding connection by spline with transverse axis, the active synchronization belt wheel being connected with the handwheel of tailstock, the transmission band being connected with active synchronization belt wheel and driven synchronous belt pulley transmission respectively, screw rod, one end is provided with the connecting rod of the screw being connected with screw flight, two holding screws;The other end of connecting rod is provided with and mates with connecting shaft rear end and be set in the through hole outside connecting shaft rear end;One end of one holding screw is pushed down connecting shaft rear end and threadeds with connecting rod;The rear end face of adapter sleeve is provided with the counterbore mating with screw front end and being set in outside screw front end;One end of another holding screw is pushed down screw front end and threadeds with adapter sleeve.Two-way feed tool retracting device is simple and practical;By exchanging the screw rod of different pitch and there is the connecting rod of the screw that matches, tailstock end centre drill and spindle end centre drill can be made to have the feed rate of different proportion and the amount of feeding has different depth, the shaft-like workpiece of different size of centre bore with processing two ends.
As preferably, between described connecting shaft and internal axle sleeve, it is provided with at least one linear bearing;Connecting shaft is in axial sliding connection with internal axle sleeve by linear bearing.For rolling friction between connecting shaft and linear ball bearing, friction can be minimized and kinematic accuracy is high.
As preferably, between described internal axle sleeve and outer shaft, it is provided with at least two needle bearing;Internal axle sleeve is by needle bearing and outer shaft pivot joint.Needle bearing radial dimension is little, and the torque of main shaft eliminates the effect to internal axle sleeve through needle bearing.
Compared with prior art, the invention has the beneficial effects as follows: this centre bore lathe for machining makes the centre bore at axial workpiece two ends to process simultaneously.Two-way feed tool retracting device is simple and practical;By exchanging the screw rod of different pitch and there is the connecting rod of the screw that matches, tailstock end centre drill and spindle end centre drill can be made to have the feed rate of different proportion and the amount of feeding has different depth, the shaft-like workpiece of different size of centre bore with processing two ends.It is provided with linear bearing between connecting shaft and internal axle sleeve, for rolling friction between connecting shaft and linear ball bearing, friction can be minimized and kinematic accuracy is high.Being provided with needle bearing between internal axle sleeve and outer shaft, needle bearing radial dimension is little, and the torque of main shaft eliminates the effect to internal axle sleeve through needle bearing.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is the enlarged drawing in Fig. 1 at A.
In figure: lathe bed-1, main spindle box-2, main shaft-3, spindle hole-31, tailstock-4, handwheel-41, sleeve-42, torsional stop-5, leg-51, transverse axis-6, adapter sleeve-61, counterbore-62, mounting seat-7, installing plate-71, connecting rod-8, screw-81, through hole-82, connecting shaft-9, spindle end centre drill-10, drill chuck-11, internal axle sleeve-12, outer shaft-13, support-14, driven synchronous pulley-15, active synchronization belt wheel-16, transmission band-17, screw rod-18, holding screw-19, linear bearing-20, needle bearing-21, tailstock end centre drill-22.
Detailed description of the invention
Shown in below in conjunction with the accompanying drawings, the present invention is described further.
Such as accompanying drawing 1, shown in accompanying drawing 2: a kind of centre bore lathe for machining, including being provided with lathe bed 1, main spindle box 2, the main shaft 3 being positioned in main spindle box 2, the engine lathe of tailstock 4, the connecting shaft 9 being located in the spindle hole 31 of main shaft 3, it is provided with spindle end centre drill 10 drill chuck 11 being connected with connecting shaft 9 nose threads, it is set in the internal axle sleeve 12 that connecting shaft 9 is outer and is in axial sliding connection with connecting shaft 9, the outer shaft 13 being connected with spindle hole 31 interference fit with internal axle sleeve 12 pivot joint and outer gusset, it is in axial sliding connection and is provided with the torsional stop 5 of four legs 51 being connected with main spindle box 2 rear end screw by spline with connecting shaft 9 rear portion, two-way feed tool retracting device;One end of two-way feed tool retracting device is connected with the rear end of connecting shaft 9, and the other end is connected with the handwheel 41 of tailstock 4.
In the present embodiment, described two-way feed tool retracting device includes that rear end is provided with the transverse axis 6 of adapter sleeve 61, two respectively with transverse axis 6 by bearing hinge joint the support 14 that is connected with lathe bed 1 side screw, between two supports 14 and be provided with the installing plate 71 being set in outside transverse axis 6 mounting seat 7 being connected with tailstock 4 side screw, with installing plate 71 rear end by bearing hinge joint the driven synchronous pulley 15 that is in axial sliding connection by spline with transverse axis 6, the active synchronization belt wheel 16 being connected with handwheel 41 screw of tailstock 4, the transmission band 17 being in transmission connection with active synchronization belt wheel 16 and driven synchronous pulley 15 respectively, screw rod 18, one end is provided with the connecting rod 8 of the screw 81 threadeded with screw rod 18, two holding screws 19;The other end of connecting rod 8 is provided with and coordinates with connecting shaft 9 backend space and be set in the through hole 82 outside connecting shaft 9 rear end;One end of one holding screw 19 is pushed down connecting shaft 9 rear end and threadeds with connecting rod 8;The rear end face of adapter sleeve 61 is provided with and coordinates with screw rod 18 front space and be set in the counterbore 62 outside screw rod 18 front end;One end of another holding screw 19 is pushed down screw rod 18 front end and threadeds with adapter sleeve 61.Two linear bearings 20 it are provided with between described connecting shaft 9 and internal axle sleeve 12;Connecting shaft 9 is in axial sliding connection with internal axle sleeve 12 by linear bearing 20.Two needle bearings 21 it are provided with between described internal axle sleeve 12 and outer shaft 13;Internal axle sleeve 12 is by needle bearing 21 and outer shaft 13 pivot joint.
When this centre bore lathe for machining uses, shaft-like workpiece one end is clamped in the three-jaw self-centering chuck being connected with main shaft 3, the tailstock 4 equipped with tailstock end centre drill 22 is promoted to arrive from the suitable position of workpiece fixing tailstock 4, main shaft 3 drives workpiece to rotate, the handwheel 41 rotating tailstock 4 makes the sleeve 42 of tailstock drive tailstock end centre drill 22 feeding drilling, meanwhile, the handwheel 41 rotated drives the active synchronization belt wheel 16 of two-way feed tool retracting device to rotate, through transmission band 17, driven synchronous pulley 15, transverse axis 6, screw rod 18, connecting rod 8, connecting shaft 9, drill chuck 11 makes spindle end centre drill 10 feeding drilling;After having holed, rotate backward handwheel 41, tailstock end centre drill 22 withdrawing and withdrawing two-way feed tool retracting device effect lower main axis end centre drill 10 while;By exchanging the screw rod 18 of different pitch and there is the connecting rod 8 of the screw 81 that matches, tailstock end centre drill 22 and spindle end centre drill 10 can be made to have the feed rate of different proportion and the amount of feeding has different depth, the shaft-like workpiece of different size of centre bore with processing two ends.
The invention has the beneficial effects as follows: this centre bore lathe for machining makes the centre bore at axial workpiece two ends to process simultaneously.Two-way feed tool retracting device is simple and practical;By exchanging the screw rod of different pitch and there is the connecting rod of the screw that matches, tailstock end centre drill and spindle end centre drill can be made to have the feed rate of different proportion and the amount of feeding has different depth, the shaft-like workpiece of different size of centre bore with processing two ends.It is provided with linear bearing between connecting shaft and internal axle sleeve, for rolling friction between connecting shaft and linear ball bearing, friction can be minimized and kinematic accuracy is high.Being provided with needle bearing between internal axle sleeve and outer shaft, needle bearing radial dimension is little, and the torque of main shaft eliminates the effect to internal axle sleeve through needle bearing.
It is apparent to one skilled in the art that the present invention can change into various ways, and such change is not regarded as a departure from the scope of the present invention.All such technical staff to described field obviously revise, and are included within the scope of present claims.

Claims (3)

1. a centre bore lathe for machining, including being provided with lathe bed, main spindle box, the main shaft being positioned in main spindle box, the engine lathe of tailstock;It is characterized in that, described centre bore lathe for machining also includes the connecting shaft being located in the spindle hole of main shaft, it is provided with spindle end centre drill the drill chuck being connected with connecting shaft front end, it is set in the internal axle sleeve that connecting shaft is outer and is in axial sliding connection with connecting shaft, the outer shaft being connected with spindle hole interference fit with internal axle sleeve pivot joint and outer gusset, it is in axial sliding connection and is provided with the torsional stop of the leg that at least two is connected, two-way feed tool retracting device with main spindle box rear end by spline with connecting shaft rear portion;One end of two-way feed tool retracting device is connected with the rear end of connecting shaft, and the other end is connected with the handwheel of tailstock;Two-way feed tool retracting device includes that rear end is provided with the transverse axis of adapter sleeve, two respectively with transverse axis pivot joint the support that is connected with lathe bed side, between two supports and be provided with the installing plate being set in outside transverse axis the mounting seat being connected with tailstock side, with the pivot joint of installing plate rear end the driven synchronous pulley that is in axial sliding connection by spline with transverse axis, the active synchronization belt wheel being connected with the handwheel of tailstock, the transmission band being connected with active synchronization belt wheel and driven synchronous belt pulley transmission respectively, screw rod, one end is provided with the connecting rod of the screw being connected with screw flight, two holding screws;The other end of connecting rod is provided with and mates with connecting shaft rear end and be set in the through hole outside connecting shaft rear end;One end of one holding screw is pushed down connecting shaft rear end and threadeds with connecting rod;The rear end face of adapter sleeve is provided with the counterbore mating with screw front end and being set in outside screw front end;One end of another holding screw is pushed down screw front end and threadeds with adapter sleeve.
Centre bore lathe for machining the most according to claim 1, is characterized in that, is provided with at least one linear bearing between described connecting shaft and internal axle sleeve;Connecting shaft is in axial sliding connection with internal axle sleeve by linear bearing.
Centre bore lathe for machining the most according to claim 1 and 2, is characterized in that, is provided with at least two needle bearing between described internal axle sleeve and outer shaft;Internal axle sleeve is by needle bearing and outer shaft pivot joint.
CN201410718298.XA 2014-12-02 2014-12-02 central hole processing lathe Active CN104551020B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410718298.XA CN104551020B (en) 2014-12-02 2014-12-02 central hole processing lathe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410718298.XA CN104551020B (en) 2014-12-02 2014-12-02 central hole processing lathe

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CN104551020A CN104551020A (en) 2015-04-29
CN104551020B true CN104551020B (en) 2017-01-11

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106903342A (en) * 2017-04-27 2017-06-30 湖北毅兴智能装备股份有限公司 A kind of deep drilling aperture apparatus for being used to walk shaft type complex milling machine tool

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB118153A (en) * 1917-08-16 1918-08-16 John Anderson Improvements in or relating to Lathes and Boring Machines.
US6913427B2 (en) * 2002-01-16 2005-07-05 Kennametal Inc. Adjustment device for self-colleting drill motors
CN201006556Y (en) * 2007-01-11 2008-01-16 沈阳市大鑫数控机械有限责任公司 Drill centres machine tool
CN101879616B (en) * 2010-06-25 2011-11-09 天津市中环天佳电子有限公司 Mechanical device for punching two ends
CN202963538U (en) * 2012-08-30 2013-06-05 广西大学 Processing device for punching double center holes on plain lathe
CN204338879U (en) * 2014-12-02 2015-05-20 浙江安统汽车部件有限公司 Centre bore lathe for machining

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