CN205147341U - Dustproof hydraulic tailstock - Google Patents
Dustproof hydraulic tailstock Download PDFInfo
- Publication number
- CN205147341U CN205147341U CN201520850684.4U CN201520850684U CN205147341U CN 205147341 U CN205147341 U CN 205147341U CN 201520850684 U CN201520850684 U CN 201520850684U CN 205147341 U CN205147341 U CN 205147341U
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- CN
- China
- Prior art keywords
- tailstock
- mandrel
- hole
- oil
- dust
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model belongs to a neotype dustproof hydraulic tailstock is refered in particular to in the machine tool tailstock field, include tailstock body and the guide rail that can supply tailstock body back -and -forth movement, its characterized in that, communicating dabber hole around the upper portion shaping of tailstock body has, dabber hole rear end fixedly connected with tailstock end cover is equipped with the tailstock dabber in the dabber hole, and the tailstock dabber sets up with the pneumatic cylinder is integrative, and the piston rod fixed of tailstock dabber is on the preceding terminal surface of tailstock end cover, and the cylinder body front end of tailstock dabber is equipped with the centre hole, is equipped with the thimble in the top needle, the utility model has the advantages of simple structure can prevent dust, controls feed rate easily, reduces top wearing and tearing.
Description
Technical field
The utility model belongs to tailstock tool field, refers in particular to a kind of novel dust-proof hydraulic tailstock.
Background technology
As everyone knows, the movement that the top feeding of traditional tail stock mainly drives screw nut driving to promote barrel of tail stock by rotating handwheel realizes, this mode inefficiency and inconvenient operation.
The lathe of prior art is generally utilize lathe carriage to pull tailstock auto-feed, and the shortcoming of this mode is, for ensureing that borehole accuracy just must ensure that the degree of tightness of tail stock pressing plate is wanted suitably, get Tai Song can not be pressed, can not be too tight, be difficult to control, extreme wear is caused to bed ways.In addition, when lathe carriage pulls tailstock auto-feed, when the thimble of lathe and absorption surface, its impulsive force is very large, due to speed movement fast, likely can bending workpiece, and thimble is easily worn.
Summary of the invention
In order to solve the problem, it is simple that the purpose of this utility model is to provide a kind of structure, can be dust-proof, easily controls feed speed, reduce the novel dust-proof hydraulic tailstock of top wearing and tearing.
The purpose of this utility model is achieved in that
A kind of dust-proof hydraulic tailstock, the guide rail comprising tailstock body and can move forward and backward for tailstock body, it is characterized in that, the core axle hole communicated before and after described tailstock body upper part forms, core axle hole rear end is fixedly connected with tailstock end cap, is provided with tailstock mandrel in core axle hole, tailstock mandrel and hydraulic cylinder are wholely set, the piston rod of tailstock mandrel is fixedly connected on the front end face of tailstock end cap, and the cylinder body front end of tailstock mandrel is provided with centre hole, is provided with thimble in top pin.
The rear end of the cylinder block of described tailstock mandrel forms piston hole, piston hole rear end is fixedly connected with mandrel end cap, the confined space that piston hole and mandrel end cap are formed is divided into two oil pockets by piston, be respectively front oil pocket and rear oil pocket, two oil circuits are formed in the piston rod of tailstock mandrel, be respectively in-line and vent line, oil-in I conducting of in-line is to the rear end face of tailstock end cap, oil-out I conducting of in-line is to front oil pocket, oil-out II conducting of vent line is to tailstock end cap rear end face, oil-in II conducting of vent line is to rear oil pocket, in-line is connected outside hydraulic control system with the oil-in of vent line by pipeline.
Described core axle hole front port is provided with dust-proof end cap, forms the through hole adapted with core axle hole in the middle part of dust-proof end cap, and the cylinder body front end of tailstock mandrel is stretched out from core axle hole and through hole.
The junction of described dust-proof end cap and tailstock mandrel is provided with dust protection rubber.
Described tailstock body lower part is provided with arm-tie, and arm-tie is connected with tailstock body by bolt, and arm-tie is against guide rail lower surface.
The utility model gives prominence to compared to existing technology and useful technique effect is:
1, the core axle hole that the utility model is communicated before and after being formed by tailstock body upper part, tailstock mandrel is provided with in core axle hole, tailstock mandrel and hydraulic cylinder are wholely set, core axle hole rear end is fixedly connected with tailstock end cap, the piston rod of tailstock mandrel is fixedly connected on the front end face of tailstock end cap, the cylinder body front end of tailstock mandrel is provided with centre hole, thimble is provided with in centre hole, thimble controls feed speed by hydraulic cylinder, because the feed speed of hydraulic cylinder can be controlled by hydraulic control system, thus the feed speed of thimble can be controlled easily, the wearing and tearing of effective minimizing thimble.
2, the utility model is provided with dust-proof end cap by core axle hole front port, forms the through hole adapted with core axle hole in the middle part of dust-proof end cap, and the cylinder body front end of tailstock mandrel is stretched out from core axle hole and through hole, thus reaches and prevent dust from entering effect in tailstock mandrel.
3, the utility model is provided with dust protection rubber by the junction of dust-proof end cap and tailstock mandrel, thus more effectively reaches dust-proof effect.
4, the utility model is provided with arm-tie by tailstock body lower part, and arm-tie is connected with tailstock body by bolt, and arm-tie is against guide rail lower surface, when such design makes to tight a bolt, can fix tailstock body, when unclamping bolt, can hold arm-tie and move.
Accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of dust-proof hydraulic tailstock.
Fig. 2 is the internal structure stereogram of dust-proof hydraulic tailstock.
Fig. 3 is the A place enlarged drawing of Fig. 1.
Fig. 4 is the B place enlarged drawing of Fig. 2.
1-tailstock body; 2-guide rail; 3-arm-tie; 4-bolt; 5-oil-out II; 6-oil-in I; 7-oil-out I; 8-oil-in II; 9-tailstock end cap; 10-piston rod; 11-mandrel end cap; Oil pocket after 12-; 13-piston; Oil pocket before 14-; 15-tailstock mandrel; 16-is top; The dust-proof end cap of 17-; 18-dust protection rubber.
Detailed description of the invention
The utility model is further described with specific embodiment below in conjunction with accompanying drawing:
A kind of dust-proof hydraulic tailstock, the guide rail 2 comprising tailstock body 1 and can move forward and backward for tailstock body 1, it is characterized in that, the core axle hole communicated before and after described tailstock body 1 top forms, tailstock mandrel 15 is provided with in core axle hole, tailstock mandrel 15 and hydraulic cylinder are wholely set, core axle hole rear end is fixedly connected with tailstock end cap 9, the piston rod 10 of tailstock mandrel (hydraulic cylinder) 15 is fixedly connected on the front end face of tailstock end cap 9, tailstock mandrel (hydraulic cylinder)) 15 cylinder body front end be provided with centre hole, be provided with thimble 16 in centre hole; When hydraulic cylinder control piston rod stretches out, because piston rod is fixed, under reaction force, the cylinder body of tailstock mandrel (hydraulic cylinder) 15 moves forward; When the cylinder is retracted, because piston rod is fixed, under reaction force, the cylinder body of tailstock mandrel (hydraulic cylinder) 15 moves backward.
The rear end of the cylinder block of described tailstock mandrel (hydraulic cylinder) 15 forms piston hole, piston hole rear end is fixedly connected with mandrel end cap 11, the confined space that piston hole and mandrel end cap 11 are formed is divided into two oil pockets by piston, be respectively front oil pocket 14 and rear oil pocket 12, two oil circuits are formed in the piston rod of tailstock mandrel (hydraulic cylinder) 15, be respectively in-line and vent line, oil-in I 6 conducting of in-line is to the rear end face of tailstock end cap 9, oil-out I 7 conducting of in-line is to front oil pocket 14, oil-out II 5 conducting of vent line is to tailstock end cap 9 rear end face, oil-in II 8 conducting of vent line is to rear oil pocket 12, the oil-in I 6 of in-line is connected outside hydraulic control system with the oil-out II 5 of vent line by pipeline, when thimble ejects, hydraulic control system hydraulic control oil enters from oil-in I 6, front oil pocket 14 is entered by in-line, because piston rod 10 and piston 13 are fixed, so entering along with hydraulic oil, in front oil pocket 14, hydraulic pressure increases, promote tailstock mandrel (hydraulic cylinder) 15 to move forward, rear oil pocket 12 is along with tailstock mandrel (hydraulic cylinder) 15 reach, rear oil pocket 12 smaller volume, hydraulic pressure becomes large, and hydraulic oil is got back to the fuel tank of hydraulic control system from oil-in II 8 through vent line, when thimble is retracted, hydraulic control system hydraulic control oil enters from oil-out II 5, rear oil pocket 12 is entered, because piston rod 10 and piston 13 are fixed, so entering along with hydraulic oil by vent line, in rear oil pocket 12, hydraulic pressure increases, promote tailstock mandrel (hydraulic cylinder) 15 to move, front oil pocket 14 moves along with after tailstock mandrel (hydraulic cylinder) 15, front oil pocket 14 smaller volume backward, hydraulic pressure becomes large, and hydraulic oil is got back to the fuel tank of hydraulic control system from oil-out I through in-line.
Described core axle hole front port is provided with dust-proof end cap 17, forms the through hole adapted with core axle hole in the middle part of dust-proof end cap 17, and the cylinder body front end of tailstock mandrel (hydraulic cylinder) 15 is stretched out from core axle hole and through hole.
Described dust-proof end cap 17 is provided with dust protection rubber 18 with the junction of hydraulic cylinder tailstock mandrel (hydraulic cylinder) 15.
Described tailstock body 1 bottom is provided with arm-tie 3, and arm-tie 3 is connected with tailstock body 1 by bolt 4, and arm-tie 3 is against guide rail 2 lower surface, tight a bolt 4 time, arm-tie and tailstock body give guide rail huge pressure, thus make stiction become very large, thus fixing tailstock body 1, when unclamping bolt 4, pressure diminishes, and stiction is also corresponding to diminish, and arm-tie 3 front forms boss, can be used for and hold, then can hold arm-tie 3 and move tailstock body 1.
The utility model has structure simple, easy to use, safe and reliable, the feature that anti-static effect is good.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. a dust-proof hydraulic tailstock, comprise tailstock body, the guide rail movable for tailstock body and fastener, fastener can make tailstock body be fastened on guide rail, it is characterized in that, the core axle hole communicated before and after described tailstock body upper part forms, core axle hole rear end is fixedly connected with tailstock end cap, tailstock mandrel is provided with in core axle hole, tailstock mandrel and hydraulic cylinder are wholely set, the piston rod of tailstock mandrel is fixedly connected on the front end face of tailstock end cap, and the cylinder body front end of tailstock mandrel is provided with centre hole, is provided with thimble in centre hole.
2. the dust-proof hydraulic tailstock of one according to claim 1, it is characterized in that, the rear end of the cylinder block of described tailstock mandrel forms piston hole, piston hole rear end is fixedly connected with mandrel end cap, the confined space that piston hole and mandrel end cap are formed is divided into two oil pockets by piston, be respectively front oil pocket and rear oil pocket, two oil circuits are formed in the piston rod of tailstock mandrel, be respectively in-line and vent line, oil-in I conducting of in-line is to the rear end face of tailstock end cap, oil-out I conducting of in-line is to front oil pocket, oil-out II conducting of vent line is to tailstock end cap rear end face, oil-in II conducting of vent line is to rear oil pocket, in-line is connected outside hydraulic control system with the oil-in of vent line by pipeline.
3. the dust-proof hydraulic tailstock of one according to claim 1, is characterized in that, described core axle hole front port is provided with dust-proof end cap, forms the through hole adapted with core axle hole in the middle part of dust-proof end cap, and the cylinder body front end of tailstock mandrel is stretched out from core axle hole and through hole.
4. the dust-proof hydraulic tailstock of one according to claim 3, is characterized in that, the junction of described dust-proof end cap and tailstock mandrel is provided with dust protection rubber.
5. the dust-proof hydraulic tailstock of one according to claim 1, is characterized in that, described tailstock body lower part is provided with arm-tie, and arm-tie is connected with tailstock body by bolt, and arm-tie is against guide rail lower surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520850684.4U CN205147341U (en) | 2015-10-29 | 2015-10-29 | Dustproof hydraulic tailstock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520850684.4U CN205147341U (en) | 2015-10-29 | 2015-10-29 | Dustproof hydraulic tailstock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205147341U true CN205147341U (en) | 2016-04-13 |
Family
ID=55683080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520850684.4U Expired - Fee Related CN205147341U (en) | 2015-10-29 | 2015-10-29 | Dustproof hydraulic tailstock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205147341U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107052373A (en) * | 2017-04-06 | 2017-08-18 | 盐城工业职业技术学院 | A kind of tunable center tailstock |
| CN109909516A (en) * | 2019-04-30 | 2019-06-21 | 安徽金瑞智能装备有限公司 | A kind of all-hydraulic structure of tailstock |
| CN112643067A (en) * | 2020-12-07 | 2021-04-13 | 娄底鼎力液压科技有限公司 | Inclined lathe body knife tower type tailstock numerical control lathe |
-
2015
- 2015-10-29 CN CN201520850684.4U patent/CN205147341U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107052373A (en) * | 2017-04-06 | 2017-08-18 | 盐城工业职业技术学院 | A kind of tunable center tailstock |
| CN109909516A (en) * | 2019-04-30 | 2019-06-21 | 安徽金瑞智能装备有限公司 | A kind of all-hydraulic structure of tailstock |
| CN112643067A (en) * | 2020-12-07 | 2021-04-13 | 娄底鼎力液压科技有限公司 | Inclined lathe body knife tower type tailstock numerical control lathe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20161029 |