CN206273434U - A kind of lathe pneumatic jacking device - Google Patents
A kind of lathe pneumatic jacking device Download PDFInfo
- Publication number
- CN206273434U CN206273434U CN201621429738.0U CN201621429738U CN206273434U CN 206273434 U CN206273434 U CN 206273434U CN 201621429738 U CN201621429738 U CN 201621429738U CN 206273434 U CN206273434 U CN 206273434U
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- CN
- China
- Prior art keywords
- sleeve
- output shaft
- cylinder
- helical groove
- tailstock
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of lathe pneumatic jacking device, including tailstock and top, and the left end of tailstock is provided with the cylinder that can show pressure, and cylinder is connected with operated pneumatic valve, and the inside of tailstock is embedded with sleeve, and sealing ring is provided with the right side of sleeve lining；It is provided with top in the output shaft end of cylinder, top to be integrally formed with output shaft, output shaft can the telescopic moving in sleeve；Sleeve lining is provided with the helical groove cooled down for chip removal, and helical groove progressively extends and expand to the left from the right-hand member of sleeve, finally passes the left end side wall of sleeve and tailstock；The surface of output shaft is provided with some circle grooves, often enclose groove notch edges and output shaft periphery between, equal rounding off between cell wall and bottom land, bottom land is the circular-arc bottom face for caving inward.The device can adjust the top pressure to workpiece, improve the top axiality with lathe spindle, be more uniformly distributed workpiece stress, steadily.
Description
Technical field
The utility model belongs to the jacking mechanism on lathe-techniques field, more particularly to a kind of lathe back seat.
Background technology
Lathe is a kind of process equipment commonly used in field of machining, and the head of a bed on usual lathe is provided with chuck, tailstock
Be provided with tailstock, tailstock is provided with top, the top setting parallel with the guide rail of lathe, the top thread connection and tailstock between or
Person is that the tail end of leading screw is provided with handwheel directly using leading screw as top, during processing it is general by workpiece be placed on chuck and it is top it
Between, workpiece one end is clamped with the chuck coaxial with lathe spindle, then shake handwheel feeds leading screw manually, and workpiece is withstood on by top
The other end, so as to turning.Because workpiece shapes size and material are different, required pressure is also differed, hand shaken hand
Take turns to adjust the top amount of feeding, it is impossible to hold its pressure, easily deform part top, or pressure not enough causes
Top one end of workpiece shakes in working angles, causes clamping unstable, so that workpiece machining error becomes big, such case
Slewing parts are occurred especially in, such as in common axial workpiece.On the other hand, it is exposed under processing link due to top, is held
Iron filings dust, impurity are easily infected with, when existing top use lead screw transmission feeds, the screw thread that easily iron filings dust is brought into base
In hole, cause clamping stagnation or leading screw to offset so that it is top with chuck axis not on the same line, workpiece stress is unstable, makes
It is overproof into mismachining tolerance.The control errors of current machined part, mostly from cutter quality, the clamping of chuck or cutting
Reason is found in operation and improves machining accuracy, for top influence in addition to easily ignored, lack adoptable conjunction
It is suitable it is top be also one of reason.Improve part crudy, it would be highly desirable to design a kind of holding device to match with lathe.
Utility model content
The purpose of this utility model is to solve above-mentioned technical problem, there is provided a kind of lathe pneumatic jacking device, the device
The top pressure to workpiece is can adjust, and improves the top axiality with lathe spindle, workpiece stress is more uniformly distributed, put down
Surely.
The technical solution of the utility model is as follows：
A kind of lathe pneumatic jacking device, including tailstock and top, it is characterised in that：The left end of the tailstock is provided with display
The cylinder of real-time pressure during work, the cylinder with regulation air pressure operated pneumatic valve be connected, tailstock inner tight be embedded with
The coaxial sleeve of lathe spindle, sealing ring is provided with the right side of the sleeve lining, and the set is stretched out in described sealing ring one end
Cylinder；Coaxially be provided with described top in the output shaft end of cylinder, it is described it is top with output shaft diameter it is identical and with output shaft one
Body formed, the output shaft passes through the sealing ring after stretching into sleeve, and can the telescopic moving in sleeve；The sleeve lining sets
There is the helical groove cooled down for chip removal, the helical groove progressively extends and expand, finally passes to the left from the right-hand member of sleeve
The left end side wall of sleeve and tailstock, discharged during telescopic moving in sleeve so as to output shaft iron filings dust that its own is brought into and
Air-flow；The surface of the output shaft is provided with some circle grooves, often enclose groove notch edges and output shaft periphery between, cell wall
The equal rounding off and bottom land between, the bottom land is the circular-arc bottom face for caving inward.
Further, between the notch edges and sleeve lining of the helical groove, between cell wall and bottom land round and smooth mistake
Cross, the bottom land is the circular-arc bottom face for caving inward.
Further, the top rounding off between output shaft connects.
Further, the sealing ring cross section is in isosceles trapezoid.
Further, the top taper inner is provided with the ball that hard alloy is made, and the ball is coaxial with top.
Further, the helical groove is provided with a plurality of, and spacing distance is equal to the output shaft between every helical groove
Diameter.
Further, the helical groove is not more than along the cone angle that sleeve lining axis extends formed cone-shaped structure
10 degree.
Further, the helical angle of the helical groove is 35 degree to 45 degree.
Further, the cylinder with detection cylinder pressure pressure sensor be connected, the sensor with control buzzing
The PLC of device is connected.
The beneficial effects of the utility model：The utility model using cylinder promote it is top come instead of traditional shake handwheel come
Promote top, will become to determine power top tight workpiece by setting cylinder thrust with the sensation top tight workpiece of people, receive holding out against for workpiece
Power is more directly perceived controllable, can adjust optimal pressure according to different workpieces demand；Can also according to processing when cylinder air pressure value it is micro-
Small change come judge workpiece whether clamping loosely, once because workpiece loosens necessarily causes the suddenly change of atmospheric pressure value in cylinder.
For ensure it is top can be coaxial with lathe spindle, it is to avoid deform because of clamping stagnation when top mobile or beat occur, give full play to
The above-mentioned pneumatic advantage for holding out against, spy is provided with the sleeve with helical groove in tailstock, and stretches out end face in the setting of sleeve right-hand member
Sealing ring, when this is rollback complete due to top work, output shaft will retract in sleeve to the left, therefore, correspondingly, this practicality is new
Type spy helical groove is progressively extended and expanded to the left from the right-hand member (top closed on one end) of sleeve, finally pass sleeve and
The left end side wall of tailstock, so as to chip removal with cool down, it is ensured that output shaft can steady stretching motion；In lifting sleeve, chip removal disappears in itself
While gas is acted on, output shaft is also made surface by the utility model has the structure of some circle grooves, further recessed with spiral
Groove is engaged, and realizes that chip removal is cooled down, it is ensured that coaxial with lathe spindle always when output shaft and top motion together, coordinates on main shaft
Ring flange workpiece is ideally held out against into clamping, be accurately processing workpiece establish solid foundation.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is sealing ring mounting structure zoomed-in view.
Fig. 3 is helical groove path schematic diagram.
Fig. 4 is the structural representation for setting reeded output shaft.
Fig. 5 is each edge rounding off schematic diagram of helical groove.
Fig. 6 is the utility model local appearance schematic diagram when being provided with a plurality of helical groove.
Specific embodiment
Implementation method of the present utility model is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages of the present utility model and effect easily.
The utility model is described in further detail with reference to the accompanying drawings and examples：
As shown in figure 1, a kind of lathe pneumatic jacking device, including tailstock 1 and top 2, it is characterised in that：The tailstock 1
Left end be provided with the cylinder 3 of adjustable output pressure, cylinder 3 is connected with pneumatic ball valve, cylinder 3 and accurate gas gauge phase
Even, for detect cylinder 3 promote output shaft 6 pressure, tailstock 1 inner tight be embedded with the sleeve coaxial with lathe spindle
4, sealing ring 5 is provided with the right side of the inwall of the sleeve 4, the sleeve 4 is stretched out in the one end of the sealing ring 5, as shown in Fig. 2
Its outreach D sets as needed.The end of the output shaft 6 of cylinder 3 be coaxially provided with described top 2, described top 2 with
The diameter of output shaft 6 is identical and is integrally formed with output shaft, and directly top 2 can be processed in the end of output shaft 6 when making
Conical structure.The output shaft 6 is stretched into through the sealing ring 5 after sleeve 4, and can the telescopic moving in sleeve 4, to export
Axle 6 removes extraneous iron filings dust impurities when shrinking mobile with top 2 at sealing ring 5, and this is also that the one end of sealing ring 5 is stretched
The reason for going out the sleeve 4, primarily to removing iron filings dust outside the interior hole end surface of sleeve 4, it is to avoid bring into hole.
The inwall of the sleeve 4 is provided with the helical groove 7 cooled down for chip removal, and the helical groove 7 progressively prolongs to the left from the right-hand member of sleeve 4
Stretch and expand, its spiral path is as shown in figure 3, i.e. as viewed from left end, the left view of helical groove 7 is in " mosquito-repellent incense shape ", and " mosquito
The spiral batten (similar to groove herein) of perfume " progressively becomes big.The end of helical groove 7 finally passes a left side for sleeve 4 and tailstock 1
The side wall at end, its chip-removal hole is 701, discharges its own iron filings powder brought into during telescopic moving in sleeve 4 so as to output shaft 6
Dirt and air-flow.As shown in figure 4, the surface of the output shaft 6 is provided with some circle grooves 8, notch edges and the output of groove 8 are often enclosed
Equal rounding off between axle periphery, between cell wall and bottom land, the bottom land is the circular-arc bottom face for caving inward.
Further, as shown in figure 5, between the notch edges of the helical groove 7 and the inwall of sleeve 4, cell wall and bottom land
Between rounding off, the bottom land is the circular-arc bottom face for caving inward, and to eliminate the internal stress of helical groove 7, prevents spiral shell
Rotation groove 7 ftractures, while when 6 retraction sleeve 4 of output shaft, the helical groove that the iron filings dust on output shaft 6 enters in sleeve 4
In 7, deslagging exhaust is more smoothly at the helical groove 7 of each rounding off.
Further, between above-mentioned notch edges and the inwall of sleeve 4 on the basis of rounding off, described top 2 with it is defeated
Rounding off connects between shaft 6, can prevent the notch edges of the interface edge and helical groove 7 between top 2 and output shaft 6
There is interference, be easy to the smooth stretching motion of output shaft 6.
Further, the cross section of the sealing ring 5 is in isosceles trapezoid, and the side waist that it stretches out the right-hand member of sleeve 4 is effectively
Iron filings dust on output shaft 6 is kept off outside sleeve 4.
Further, top 2 taper inner is provided with the ball 9 that hard alloy is made, the ball 9 and top 2
Coaxially, in order to avoid collapsing point when directly removing top tight workpiece using existing coniform top tip, clamping is caused to hold out against by shadow
Ring.
Further, as shown in fig. 6, the helical groove 7 is provided with a plurality of, and multiple chip-removal holes 701 are correspondingly provided with, often
Between bar helical groove 7 spacing distance be equal to the output shaft 6 diameter, by helical groove 7 be set to interval it is a plurality of rather than
One whole piece is, because whole piece helical groove 7 is because development length is long, to be easily caused the extruding of iron filings dust midway somewhere and block,
Particularly with less top 2 (output shafts 6)；And the classification chip removal of helical groove 7, then this defect can be avoided as far as possible, it is right
It is practical when the less workpiece in slightly smaller top 2 and cutting iron filings dust, and divide an a plurality of helical groove 7 to arrange, due to
The axial length of every helical groove 7 is shorter, and its groove extensive magnitude is also corresponding smaller, just adapts to the row of a small amount of iron filings dust
Remove.
Further, as shown in figure 3, the helical groove 7 extends the coniform profile for being formed along the inwall axis of sleeve 4
The cone angle of structure is not more than β=10 degree, to prevent the notch of helical groove 7 from influenceing intensity as extension is opened too much, and 0
When between to 10 degree, iron filings transmission effect is preferable.
Further, the helical angle of the helical groove 7 is 35 degree to 45 degree, and the helical angle is directly connected to helical groove
7 deslagging performance, this scope of 10 degree of the parameter designing helical angle is not more than with reference to the cone angle of above-mentioned cone-shaped structure, can be by
The chip removal gettering action of helical groove 7 plays more preferably.
Further, the cylinder 3 is connected with the pressure sensor 10 of the detection pressure of cylinder 3, the pressure sensor 10
PLC11 with control buzzer 12 is connected, and in pressure change during pressure sensor 10 detects the course of work, buzzer 12 is reported
Alert prompting workman checks clamping situation.
Above-described embodiment only illustrative principle of the present utility model and its effect are new not for this practicality is limited
Type.Any person skilled in the art can all be carried out under without prejudice to spirit and scope of the present utility model to above-described embodiment
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the essence disclosed in the utility model
All equivalent modifications completed under god and technological thought or change, should be covered by claim of the present utility model.
Claims (9)
1. a kind of lathe pneumatic jacking device, including tailstock and top, it is characterised in that：The left end of the tailstock is provided with can be shown
The cylinder of real-time pressure during work, the cylinder with regulation air pressure operated pneumatic valve be connected, tailstock inner tight be embedded with
The coaxial sleeve of lathe spindle, sealing ring is provided with the right side of the sleeve lining, and the set is stretched out in described sealing ring one end
Cylinder；Coaxially be provided with described top in the output shaft end of cylinder, it is described it is top with output shaft diameter it is identical and with output shaft one
Body formed, the output shaft passes through the sealing ring after stretching into sleeve, and can the telescopic moving in sleeve；The sleeve lining sets
There is the helical groove cooled down for chip removal, the helical groove progressively extends and expand, finally passes to the left from the right-hand member of sleeve
The left end side wall of sleeve and tailstock, discharged during telescopic moving in sleeve so as to output shaft iron filings dust that its own is brought into and
Air-flow；The surface of the output shaft is provided with some circle grooves, often enclose groove notch edges and output shaft periphery between, cell wall
The equal rounding off and bottom land between, the bottom land is the circular-arc bottom face for caving inward.
2. lathe pneumatic jacking device according to claim 1, it is characterised in that：The notch edges of the helical groove and set
Cylinder inwall between, equal rounding off between cell wall and bottom land, the bottom land is the circular-arc bottom face for caving inward.
3. lathe pneumatic jacking device according to claim 1 or claim 2, it is characterised in that：The top circle and output shaft between
Slip over to cross and connect.
4. lathe pneumatic jacking device according to claim 1, it is characterised in that：The sealing ring cross section is in isosceles ladder
Shape.
5. lathe pneumatic jacking device according to claim 1, it is characterised in that：The top taper inner is provided with hard
The ball that alloy is made, the ball is coaxial with top.
6. lathe pneumatic jacking device according to claim 1, it is characterised in that：The helical groove is provided with a plurality of, every
Spacing distance is equal to the diameter of the output shaft between helical groove.
7. lathe pneumatic jacking device according to claim 1, it is characterised in that：The helical groove is along sleeve lining axis
The cone angle for extending formed cone-shaped structure is not more than 10 degree.
8. lathe pneumatic jacking device according to claim 7, it is characterised in that：The helical angle of the helical groove is 35 degree
To 45 degree.
9. lathe pneumatic jacking device according to claim 1, it is characterised in that：The cylinder and the pressure for detecting cylinder pressure
Force snesor is connected, and the sensor is connected with the PLC of control buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621429738.0U CN206273434U (en) | 2016-12-25 | 2016-12-25 | A kind of lathe pneumatic jacking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621429738.0U CN206273434U (en) | 2016-12-25 | 2016-12-25 | A kind of lathe pneumatic jacking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206273434U true CN206273434U (en) | 2017-06-23 |
Family
ID=59062715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621429738.0U Withdrawn - After Issue CN206273434U (en) | 2016-12-25 | 2016-12-25 | A kind of lathe pneumatic jacking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206273434U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106623998A (en) * | 2016-12-25 | 2017-05-10 | 重庆德运模具制造有限公司 | Lathe pneumatic ejecting device |
-
2016
- 2016-12-25 CN CN201621429738.0U patent/CN206273434U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106623998A (en) * | 2016-12-25 | 2017-05-10 | 重庆德运模具制造有限公司 | Lathe pneumatic ejecting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170623 Effective date of abandoning: 20181207 |