CN204294947U - A kind of hydraulic tailstock for Machining of Shaft-type Parts - Google Patents

A kind of hydraulic tailstock for Machining of Shaft-type Parts Download PDF

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Publication number
CN204294947U
CN204294947U CN201420801744.9U CN201420801744U CN204294947U CN 204294947 U CN204294947 U CN 204294947U CN 201420801744 U CN201420801744 U CN 201420801744U CN 204294947 U CN204294947 U CN 204294947U
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CN
China
Prior art keywords
tailstock
sleeve
casing
tail spindle
machining
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Active
Application number
CN201420801744.9U
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Chinese (zh)
Inventor
李连永
王培信
王国粟
杨明军
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.)
Shandong Shengxiang Power Co.,Ltd.
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Shengrui Transmission Co Ltd
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Priority to CN201420801744.9U priority Critical patent/CN204294947U/en
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Abstract

The utility model discloses a kind of hydraulic tailstock for Machining of Shaft-type Parts, comprise: the tailstock casing of a side opening, the opening part of described tailstock casing slidably connects sleeve, the tail spindle with described sleeve coaxial line is provided with in described sleeve, the two ends of described tail spindle are installed on the two ends of described sleeve respectively by rolling bearing, one end that described tail spindle is positioned at outside described tailstock casing is provided with live centre; Described sleeve is positioned at described one end of tailstock casing and is connected with the piston rod of hydraulic cylinder, described hydraulic cylinder and described tail spindle coaxial line.The utility model solves the inefficiency holding out against action at present and bring by manual operation, and labour intensity is large, the problem wasted time and energy.

Description

A kind of hydraulic tailstock for Machining of Shaft-type Parts
Technical field
The utility model relates to machined piece fixture technology field, specifically a kind of hydraulic tailstock for Machining of Shaft-type Parts.
Background technology
Tailstock is the parts being mainly used to coordinate main spindle box holding workpieces or instrument, and also have an effect can install various drilling tool or boring cutter exactly, holing or drill centers to workpiece, is the parts of Metal Cutting Machine Tool.
At present, the tailstock most lathe used or common tailstock.In common tailstock process, what need to use the mode of hand-guided to complete tailstock after Workpiece fixing clamping to be processed holds out against action.Therefore, inefficiency, and also labor strength is large, effort again consuming time.In high efficiency, high-quality processing, it can not meet instructions for use.
Summary of the invention
Technical problem to be solved in the utility model is: provide a kind of hydraulic tailstock for Machining of Shaft-type Parts, and to solve, to hold out against efficiency of movement at present low, and labour intensity is large, the problem wasted time and energy.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of hydraulic tailstock for Machining of Shaft-type Parts, comprise: the tailstock casing of a side opening, the opening part of described tailstock casing slidably connects sleeve, the tail spindle with described sleeve coaxial line is provided with in described sleeve, the two ends of described tail spindle are installed on the two ends of described sleeve respectively by rolling bearing, one end that described tail spindle is positioned at outside described tailstock casing is provided with live centre; Described sleeve is positioned at described one end of tailstock casing and is connected with the piston rod of hydraulic cylinder, described hydraulic cylinder and described tail spindle coaxial line.
Improve as one, the opening part of described tailstock casing is fixedly connected with tailstock flange, and described tailstock flange and described sleeve are slidably connected.
Improve as one, described tailstock flange inner peripheral surface is arranged with sliding sleeve, and described sliding sleeve and described sleeve are slidably connected.
Improve as one, described sliding sleeve is made by copper alloy material.
Improve as one, one end that described sleeve is positioned at outside described tailstock casing is provided with the first end cap, and one end that described sleeve is positioned at described tailstock casing is provided with the second end cap; The piston rod end of described hydraulic cylinder is provided with bulb top, described second end cap is provided with the hemispherical groove of mating with described bulb top, the centre of sphere of described hemispherical groove is positioned on the axis of described tail spindle, described second end cap is installed with for described bulb top being kept off the connecting chuck be connected in the hemispherical groove of described second end cap, and described connecting chuck and described bulb top phase-contact surface are the sphere mated with described bulb top.
Improve as one, the threaded one end that described tail spindle is positioned at described tailstock casing is connected with pre-load nut.
Owing to have employed technique scheme, the beneficial effects of the utility model are:
Because hydraulic tailstock comprises the tailstock casing of a side opening, tailstock flange is fixedly connected with at the opening part of casing, the inner peripheral surface of tailstock flange is arranged with sliding sleeve, sliding sleeve slidably connects sleeve, the tail spindle coaxial with sleeve is provided with in sleeve, the two ends of tail spindle are installed in sleeve respectively by rolling bearing, and one end that tail spindle is positioned at outside tailstock casing is provided with live centre, and sleeve is positioned at the side of tailstock casing and is connected with the end of the piston rod of hydraulic cylinder; When working shaft-like part, hydraulic cylinder works, sleeve is ejected, because the two ends of tail spindle are installed in sleeve respectively by sliding bearing, when sleeve ejects, tail spindle ejects with sleeve simultaneously, and the one end be positioned at outside tailstock casing due to tail spindle is provided with live centre, after live centre ejects, for top tight workpiece.
Because sleeve one end be positioned at outside tailstock casing is provided with the first end cap, one end that sleeve is positioned at tailstock casing is provided with the second end cap, second end cap is provided with the hemispherical groove of mating with bulb top, the centre of sphere of hemispherical groove is positioned on the axis of tail spindle, second end cap is installed with for bulb top being kept off the connecting chuck be connected in the hemispherical groove of the second end cap, and connecting chuck and bulb top touching position are the sphere mated with bulb top; Because the bulb top gear of piston rod is connected on the second end cap, bulb top and the second end cap and connecting chuck are sphere-contact, when hydraulic cylinder and sleeve are installed, if the axis coaxle degree deviation of hydraulic cylinder piston rod and sleeve, bulb top can automatic swing, avoid because of sliding sleeve and sleeve fit clearance uneven, and affect axiality and the service life of stretching motion.
In sum, the action of the utility model top tight workpiece is controlled by hydraulic cylinder, solve the inefficiency holding out against action at present and bring by manual operation, labour intensity is large, the problem wasted time and energy, meanwhile, the top of piston rod of the utility model design and the jockey of sleeve, can effectively avoid because of sliding sleeve and sleeve fit clearance uneven, and affect the axiality of stretching motion and the problem in service life.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation of a kind of hydraulic tailstock for Machining of Shaft-type Parts of the utility model;
Fig. 2 is the working state figure of a kind of hydraulic tailstock for Machining of Shaft-type Parts of the utility model;
In figure: 1-live centre; 2-tail spindle; 3-taper roll bearing; 4-tailstock flange; 5-sliding sleeve; 6-tailstock casing; 7-deep groove ball bearing; 8-second end cap; 9-connecting chuck; 10-hydraulic cylinder; 11-line shaft; 12-first end cap; 13-workpiece; 14-bulb top; 15-sleeve; 16-pre-load nut.
Detailed description of the invention
Below by embodiment and accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, a kind of hydraulic tailstock for Machining of Shaft-type Parts, comprise: the tailstock casing 6 of a side opening, the opening part of tailstock casing 6 is installed with tailstock flange 4, the inner peripheral surface of tailstock flange 4 is arranged with sliding sleeve 5, the inner peripheral surface of sliding sleeve 5 slidably connects sleeve 15, the tail spindle 2 with sleeve 15 coaxial line is provided with in sleeve 15, the two ends of tail spindle 2 are installed on sleeve 15 respectively by bearing, wherein, the end bearing be positioned at outside tailstock casing 6 is taper roll bearing 3, the end bearing being positioned at tailstock casing 6 is deep groove ball bearing 7, live centre 1 is provided with in tail spindle 2 one end be positioned at outside tailstock casing 6, one end that sleeve 15 is positioned at tailstock casing 6 is connected with the end of the piston rod of hydraulic cylinder 10.
The two ends of tailstock flange 4 are fixedly connected with tailstock end cap with screw thread respectively, two tailstock end caps are used for sliding sleeve 5 to be fixed between tailstock flange 4 and sleeve 15, sliding sleeve 5 material preferentially selects copper alloy, because copper alloy has higher intensity, anti-attrition preferably and wearability, the effective service life increasing sliding sleeve 5.
One end that tail spindle 2 is positioned at tailstock casing 6 has also been threaded pre-load nut 16, and pre-load nut 16 is for regulating bearing clearance, and after bearing clearance regulates, pre-load nut 16 can be pulled down.
Hydraulic cylinder 10 is fixedly connected on tailstock casing 6, the piston rod top of hydraulic cylinder 10 is fixedly connected with bulb top 14, sleeve 15 one end be positioned at outside tailstock casing 6 is provided with the first end cap 12, one end that sleeve 15 is positioned at tailstock casing 6 is provided with the second end cap 8, second end cap 8 is provided with the hemispherical groove matched with bulb top 14, second end cap 8 is also fixedly connected with for bulb top 14 being kept off the connecting chuck 9 be connected in the hemispherical groove of the second end cap 8, the face that connecting chuck 9 contacts with bulb top 14 is the sphere mated with bulb top 14.
Because bulb top 14 gear is connected on the second end cap 8, bulb top 14 and the second end cap 8 and connecting chuck 9 are sphere-contact, if when hydraulic cylinder 10 and sleeve 15 are installed, the axis coaxle degree degree deviation of hydraulic cylinder 10 and sleeve 15, bulb top 14 can automatic swing, avoid because of sliding sleeve 5 and sleeve 15 fit clearance uneven, and affect axiality and the service life of stretching motion.
The flexible of live centre 1 is driven by hydraulic cylinder 10, sliding sleeve 5 play the guiding role, as shown in Figure 2, during machine tool processing workpiece 13, live centre 1 ejects by hydraulic cylinder 10, with line shaft 11 top together with the endoporus at two ends of top tight workpiece 13, top and workpiece 13 close contact of live centre 1 and line shaft 11, reached the state of geo-stationary by frictional force, tail spindle 2 and workpiece 13 rotate with the rotation of line shaft 11, and then can process workpiece 13.

Claims (6)

1. the hydraulic tailstock for Machining of Shaft-type Parts, it is characterized in that, comprise: the tailstock casing of a side opening, the opening part of described tailstock casing slidably connects sleeve, the tail spindle with described sleeve coaxial line is provided with in described sleeve, the two ends of described tail spindle are installed on the two ends of described sleeve respectively by rolling bearing, one end that described tail spindle is positioned at outside described tailstock casing is provided with live centre; Described sleeve is positioned at described one end of tailstock casing and is connected with the piston rod of hydraulic cylinder, described hydraulic cylinder and described tail spindle coaxial line.
2. a kind of hydraulic tailstock for Machining of Shaft-type Parts as claimed in claim 1, it is characterized in that, the opening part of described tailstock casing is fixedly connected with tailstock flange, and described tailstock flange and described sleeve are slidably connected.
3. a kind of hydraulic tailstock for Machining of Shaft-type Parts as claimed in claim 2, it is characterized in that, described tailstock flange inner peripheral surface is arranged with sliding sleeve, and described sliding sleeve and described sleeve are slidably connected.
4. a kind of hydraulic tailstock for Machining of Shaft-type Parts as claimed in claim 3, it is characterized in that, described sliding sleeve is made by copper alloy material.
5. a kind of hydraulic tailstock for Machining of Shaft-type Parts as described in any one of Claims 1-4, it is characterized in that, one end that described sleeve is positioned at outside described tailstock casing is provided with the first end cap, and one end that described sleeve is positioned at described tailstock casing is provided with the second end cap; The piston rod end of described hydraulic cylinder is provided with bulb top, described second end cap is provided with the hemispherical groove of mating with described bulb top, the centre of sphere of described hemispherical groove is positioned on the axis of described tail spindle, described second end cap is installed with for described bulb top being kept off the connecting chuck be connected in the hemispherical groove of described second end cap, and described connecting chuck and described bulb top phase-contact surface are the sphere mated with described bulb top.
6. a kind of hydraulic tailstock for Machining of Shaft-type Parts as claimed in claim 1, it is characterized in that, the threaded one end that described tail spindle is positioned at described tailstock casing is connected with pre-load nut.
CN201420801744.9U 2014-12-16 2014-12-16 A kind of hydraulic tailstock for Machining of Shaft-type Parts Active CN204294947U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420801744.9U CN204294947U (en) 2014-12-16 2014-12-16 A kind of hydraulic tailstock for Machining of Shaft-type Parts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420801744.9U CN204294947U (en) 2014-12-16 2014-12-16 A kind of hydraulic tailstock for Machining of Shaft-type Parts

Publications (1)

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CN204294947U true CN204294947U (en) 2015-04-29

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104815995A (en) * 2015-05-20 2015-08-05 江苏信合众泰精密机械有限公司 Lathe tailstock
CN111390202A (en) * 2019-12-18 2020-07-10 广东原点智能技术有限公司 Hydraulic tailstock with pre-tightening device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104815995A (en) * 2015-05-20 2015-08-05 江苏信合众泰精密机械有限公司 Lathe tailstock
CN111390202A (en) * 2019-12-18 2020-07-10 广东原点智能技术有限公司 Hydraulic tailstock with pre-tightening device

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C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20210323

Address after: 261000 north of Xishou Road, Qinglonghu Road, Anqiu Economic Development Zone, Weifang City, Shandong Province

Patentee after: Shandong Shengxiang Power Co.,Ltd.

Address before: 261205 518 Shengrui Street, Weifang High-tech Industrial Development Zone, Shandong Province

Patentee before: SHENGRUI TRANSMISSION Co.,Ltd.