CN204338879U - Centre bore lathe for machining - Google Patents
Centre bore lathe for machining Download PDFInfo
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- CN204338879U CN204338879U CN201420745814.3U CN201420745814U CN204338879U CN 204338879 U CN204338879 U CN 204338879U CN 201420745814 U CN201420745814 U CN 201420745814U CN 204338879 U CN204338879 U CN 204338879U
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- connecting axle
- centre bore
- lathe
- rear end
- tailstock
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Abstract
The utility model relates to device for processing center hole field, and object is to provide a kind of centre bore lathe for machining.A kind of centre bore lathe for machining, comprise be provided with lathe bed, main spindle box, be arranged in the main shaft of main spindle box, the engine lathe of tailstock; Described centre bore lathe for machining also comprises the connecting axle be located in the spindle hole of main shaft, be provided with spindle end centre drill and the drill chuck be connected with connecting axle front end, be set in the outer and internal axle sleeve be in axial sliding connection with connecting axle of connecting axle, with internal axle sleeve pivot joint and the outer shaft that is connected with spindle hole of outer gusset, to be in axial sliding connection by spline with connecting axle rear portion and to be provided with the torsional stop of the leg that several are connected with main spindle box rear end, two-way feed tool retracting device; One end of two-way feed tool retracting device is connected with the rear end of connecting axle, and the other end is connected with the handwheel of tailstock.This centre bore lathe for machining makes the centre bore at axial workpiece two ends process simultaneously.
Description
Technical field
The utility model relates to device for processing center hole field, especially a kind of centre bore lathe for machining.
Background technology
Drill centers is the operation of shaft-like workpiece before turnery processing; Chinese Patent Application No.: the utility model of 201110270399.1 discloses a kind of mobile convenient center hole drilling machine.This utility model installs fixing guide pillar at the back side of three-jaw center chuck, transportable slide plate is installed on guide pillar, and the operating mechanisms such as hydraulic motor are fixed on above slide plate, the Driven by Hydraulic Cylinder that the advance of slide plate and retrogressing are made up of the annular piston cylinder and annular piston that are arranged on guide pillar end.The deficiency that the centre bore that this centre hole drilling machine exists axial workpiece two ends can not be processed simultaneously; Therefore, the centre bore lathe for machining that the centre bore designing a kind of axial workpiece two ends can be processed simultaneously, becomes problem demanding prompt solution.
Utility model content
The purpose of this utility model is the deficiency that the centre bore that there are axial workpiece two ends to overcome current centre hole drilling machine can not be processed simultaneously, provides the centre bore lathe for machining that a kind of centre bore of axial workpiece two ends can be processed simultaneously.
Concrete technical scheme of the present utility model is:
A kind of centre bore lathe for machining, comprise be provided with lathe bed, main spindle box, be arranged in the main shaft of main spindle box, the engine lathe of tailstock; Described centre bore lathe for machining also comprises the connecting axle be located in the spindle hole of main shaft, be provided with spindle end centre drill and the drill chuck be connected with connecting axle front end, be set in the outer and internal axle sleeve be in axial sliding connection with connecting axle of connecting axle, with internal axle sleeve pivot joint and the outer shaft that is connected with spindle hole of outer gusset, to be in axial sliding connection by spline with connecting axle rear portion and to be provided with the torsional stop of the leg that several are connected with main spindle box rear end, two-way feed tool retracting device; One end of two-way feed tool retracting device is connected with the rear end of connecting axle, 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 be connected with main shaft, the tailstock promoting to be equipped with tailstock end centre drill arrives from the suitable position of workpiece and 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 axle, 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 at two-way feed tool retracting device effect lower main axis end centre drill simultaneously withdrawing; This centre bore lathe for machining makes the centre bore at axial workpiece two ends process simultaneously.
As preferably, described two-way feed tool retracting device comprises the transverse axis that rear end is provided with adapter sleeve, two supports be connected with transverse axis pivot joint and with lathe bed side respectively, the installing plate be set in outside transverse axis is provided with and the mount pad be connected with tailstock side between two supports, the driven synchronous pulley be in axial sliding connection by spline with the pivot joint of installing plate rear end and with transverse axis, the active synchronization belt wheel be connected with the handwheel of tailstock, the driving-belt be 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 be connected with screw flight, two holding screws, the other end of connecting rod is provided with and mates with connecting axle rear end and to be set in the through hole outside connecting axle rear end, one end of a holding screw is pushed down connecting axle rear end and is threaded with connecting rod, the rear end face of adapter sleeve is provided with and mates with screw front end and to be set in the counterbore outside screw front end, one end of another holding screw is pushed down screw front end and is threaded with adapter sleeve.Two-way feed tool retracting device is simple and practical; By exchanging the screw rod of different pitch and have 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 to process the shaft-like workpiece of centre bore that two ends have different depth, different size.
As preferably, between described connecting axle and internal axle sleeve, be provided with at least one linear bearing; Connecting axle is in axial sliding connection by linear bearing and internal axle sleeve.For rolling friction between connecting axle and linear ball bearing, friction can be reduced to minimum and kinematic accuracy is high.
As preferably, between described internal axle sleeve and outer shaft, be provided with at least two needle bearings; 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 beneficial effects of the utility model are: this centre bore lathe for machining makes the centre bore at axial workpiece two ends process simultaneously.Two-way feed tool retracting device is simple and practical; By exchanging the screw rod of different pitch and have 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 to process the shaft-like workpiece of centre bore that two ends have different depth, different size.Be provided with linear bearing between connecting axle and internal axle sleeve, for rolling friction between connecting axle and linear ball bearing, friction can be reduced to minimum and kinematic accuracy is high.Be 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 utility model;
Fig. 2 is the enlarged drawing at A place in Fig. 1.
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, mount pad-7, installing plate-71, connecting rod-8, screw-81, through hole-82, connecting axle-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, driving-belt-17, screw rod-18, holding screw-19, linear bearing-20, needle bearing-21, tailstock end centre drill-22.
Detailed description of the invention
Below in conjunction with shown in accompanying drawing, the utility model is described further.
As accompanying drawing 1, shown in accompanying drawing 2: a kind of centre bore lathe for machining, comprise and be provided with lathe bed 1, main spindle box 2, be arranged in the main shaft 3 of main spindle box 2, the engine lathe of tailstock 4, be located at the connecting axle 9 in the spindle hole 31 of main shaft 3, be provided with spindle end centre drill 10 and the drill chuck 11 be connected with connecting axle 9 nose threads, be set in the outer and internal axle sleeve 12 be in axial sliding connection with connecting axle 9 of connecting axle 9, with internal axle sleeve 12 pivot joint and the outer shaft 13 that is connected with spindle hole 31 interference fit of outer gusset, to be in axial sliding connection by spline with connecting axle 9 rear portion and to be provided with the torsional stop 5 of the leg 51 that four are connected with main spindle box 2 rear end screw, two-way feed tool retracting device, one end of two-way feed tool retracting device is connected with the rear end of connecting axle 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 comprises the transverse axis 6 that rear end is provided with adapter sleeve 61, two supports 14 be connected by bearing hinge joint and with lathe bed 1 side screw with transverse axis 6 respectively, the installing plate 71 be set in outside transverse axis 6 is provided with and the mount pad 7 be connected with tailstock 4 side screw between two supports 14, the driven synchronous pulley 15 be in axial sliding connection by bearing hinge joint and with transverse axis 6 by spline with installing plate 71 rear end, the active synchronization belt wheel 16 be connected with handwheel 41 screw of tailstock 4, the driving-belt 17 be 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 be threaded with screw rod 18, two holding screws 19, the other end of connecting rod 8 is provided with and coordinates with connecting axle 9 backend space and to be set in the through hole 82 outside connecting axle 9 rear end, one end of a holding screw 19 is pushed down connecting axle 9 rear end and is threaded with connecting rod 8, the rear end face of adapter sleeve 61 is provided with and coordinates with screw rod 18 front space and to 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 is threaded with adapter sleeve 61.Two linear bearings 20 are provided with between described connecting axle 9 and internal axle sleeve 12; Connecting axle 9 is in axial sliding connection by linear bearing 20 and internal axle sleeve 12.Two needle bearings 21 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 be connected with main shaft 3, the tailstock 4 promoting to be equipped with tailstock end centre drill 22 arrives from the suitable position of workpiece and 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 driving-belt 17, driven synchronous pulley 15, transverse axis 6, screw rod 18, connecting rod 8, connecting axle 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 at two-way feed tool retracting device effect lower main axis end centre drill 10 simultaneously withdrawing, by exchanging the screw rod 18 of different pitch and having 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 to process the shaft-like workpiece of centre bore that two ends have different depth, different size.
The beneficial effects of the utility model are: this centre bore lathe for machining makes the centre bore at axial workpiece two ends process simultaneously.Two-way feed tool retracting device is simple and practical; By exchanging the screw rod of different pitch and have 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 to process the shaft-like workpiece of centre bore that two ends have different depth, different size.Be provided with linear bearing between connecting axle and internal axle sleeve, for rolling friction between connecting axle and linear ball bearing, friction can be reduced to minimum and kinematic accuracy is high.Be 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 utility model can change into various ways, such change do not think depart from scope of the present utility model.All like this to the apparent amendment of the technical staff in described field, by be included in this claim scope within.
Claims (4)
1. a centre bore lathe for machining, comprise be provided with lathe bed, main spindle box, be arranged in the main shaft of main spindle box, the engine lathe of tailstock; It is characterized in that, described centre bore lathe for machining also comprises the connecting axle be located in the spindle hole of main shaft, be provided with spindle end centre drill and the drill chuck be connected with connecting axle front end, be set in the outer and internal axle sleeve be in axial sliding connection with connecting axle of connecting axle, with internal axle sleeve pivot joint and the outer shaft that is connected with spindle hole of outer gusset, to be in axial sliding connection by spline with connecting axle rear portion and to be provided with the torsional stop of the leg that several are connected with main spindle box rear end, two-way feed tool retracting device; One end of two-way feed tool retracting device is connected with the rear end of connecting axle, and the other end is connected with the handwheel of tailstock.
2. centre bore lathe for machining according to claim 1, it is characterized in that: described two-way feed tool retracting device comprises the transverse axis that rear end is provided with adapter sleeve, two supports be connected with transverse axis pivot joint and with lathe bed side respectively, the installing plate be set in outside transverse axis is provided with and the mount pad be connected with tailstock side between two supports, the driven synchronous pulley be in axial sliding connection by spline with the pivot joint of installing plate rear end and with transverse axis, the active synchronization belt wheel be connected with the handwheel of tailstock, the driving-belt be 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 be connected with screw flight, two holding screws, the other end of connecting rod is provided with and mates with connecting axle rear end and to be set in the through hole outside connecting axle rear end, one end of a holding screw is pushed down connecting axle rear end and is threaded with connecting rod, the rear end face of adapter sleeve is provided with and mates with screw front end and to be set in the counterbore outside screw front end, one end of another holding screw is pushed down screw front end and is threaded with adapter sleeve.
3. centre bore lathe for machining according to claim 1 and 2, is characterized in that, is provided with at least one linear bearing between described connecting axle and internal axle sleeve; Connecting axle is in axial sliding connection by linear bearing and internal axle sleeve.
4. centre bore lathe for machining according to claim 1 and 2, is characterized in that, is provided with at least two needle bearings between described internal axle sleeve and outer shaft; Internal axle sleeve is by needle bearing and outer shaft pivot joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420745814.3U CN204338879U (en) | 2014-12-02 | 2014-12-02 | Centre bore lathe for machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420745814.3U CN204338879U (en) | 2014-12-02 | 2014-12-02 | Centre bore lathe for machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204338879U true CN204338879U (en) | 2015-05-20 |
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ID=53222181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420745814.3U Active CN204338879U (en) | 2014-12-02 | 2014-12-02 | Centre bore lathe for machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204338879U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104551020A (en) * | 2014-12-02 | 2015-04-29 | 浙江安统汽车部件有限公司 | Central hole processing lathe |
-
2014
- 2014-12-02 CN CN201420745814.3U patent/CN204338879U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104551020A (en) * | 2014-12-02 | 2015-04-29 | 浙江安统汽车部件有限公司 | Central hole processing lathe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Ningbo bofeite Auto Parts Co.,Ltd. Assignor: ZHEJIANG ANTONG AUTO PARTS Co.,Ltd. Contract record no.: X2023330000327 Denomination of utility model: Center hole machining lathe Granted publication date: 20150520 License type: Common License Record date: 20230601 |
|
| EE01 | Entry into force of recordation of patent licensing contract |