CN203197653U - Oil pressure type power knife rest engaging and disengaging mechanism - Google Patents
Oil pressure type power knife rest engaging and disengaging mechanism Download PDFInfo
- Publication number
- CN203197653U CN203197653U CN 201320194388 CN201320194388U CN203197653U CN 203197653 U CN203197653 U CN 203197653U CN 201320194388 CN201320194388 CN 201320194388 CN 201320194388 U CN201320194388 U CN 201320194388U CN 203197653 U CN203197653 U CN 203197653U
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- CN
- China
- Prior art keywords
- knife rest
- power transmission
- approach switch
- holder
- supporting cover
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- 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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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The utility model relates to an oil pressure type power knife rest engaging and disengaging mechanism. The oil pressure type power knife rest engaging and disengaging mechanism comprises a fixing base, a supporting cover and a power transmission shell, wherein the power transmission shell is fixedly connected with one side of the fixing base, and the supporting cover is fixedly connected with the other side of the fixing base. A cavity sequentially penetrating through the supporting cover, the fixing base and the power transmission shell is arranged inside the supporting cover, the fixing base and the power transmission shell and sequentially provided with an oil cylinder cover, a piston, a supporting shaft and a spline sleeve in the penetrating direction. The supporting shaft is provided with a disengaging oil cavity and an engaging oil cavity. A transmission gear is arranged inside the power transmission shell. The structure of the end portions of the spline sleeve and the structure of a knife handle portion are matched and can be engaged together. According to the oil pressure type power knife rest engaging and disengaging mechanism, the problems that for many years, a domestic power knife rest is unattractive in appearance, unstable in transmission, low in reliability and the like, so that the grade improvement of domestic machine tool function parts is hindered can be solved. The oil pressure type power knife rest engaging and disengaging mechanism has the advantages of being attractive in appearance, compact in structure, smooth in engagement and disengagement, stable in transmission, convenient to maintain and the like.
Description
Technical field
The utility model relates to a kind of hydraulic type power knife rest clutch, belongs to Digit Control Machine Tool functional part technical field.
Background technology
The numerical control turret power knife rest is all kinds of turning centers, one of critical function parts that turn-milling complex machining center is used, the Composite of its height, solved in the past multimachine, the processing mode of multiple operation, and because clamped one time, can realize the car of part, mill, bore, the manufacturing procedures such as tapping, reduced the multiple clamping of workpiece, improve the machining accuracy of the part of knowing clearly, because power knife rest is subordinate to the Compound Machining parts, therefore the inversion frequency of cutter is high, and as the power knife rest body of one of transformation mechanism and the arrangement of clutch of power cutter, the reliability of himself directly affects the reliability of power knife rest, and then have influence on the working life of lathe, and because power cutter operating position generally is close to tailstock tool and the machine chuck line of centres, the size of its volume directly affects again the impulse stroke of tailstock in lathe.Therefore extremely urgent to developing the clutch that can satisfy high-end numerical control turret power knife rest critical function in the market.
At the power knife rest clutch mechanical type, electromagnetic type etc. are arranged in the market.Mechanical type is high owing to complicated mechanism, fault rate, the reason such as easy-maintaining not, gradually, withdraw from the market in recent years, electromagnetic type is because electromagnet appearance and size is large, and transmission mechanism adopts the lever clutch more, thereby the monnolithic case that can't guarantee knife rest is compact, and during owing to the electromagnetism adhesive, action is very fast, impacts large, can't guarantee low noise and the requirement of stationarity high standard of knife rest, but because electromagnetic type control is simple, design and manufacture cost is low, still has larger application in the existing market.
The utility model content
Technical problem to be solved in the utility model provides a kind of hydraulic type power knife rest clutch, solve in the prior art cutter clutch reliability, stationarity problem to the numerical control turret power knife rest, hydraulic type is because pressure is adjustable, easily guarantee under less appearance and size, realize that larger thrust is with smooth engagement, the disengaging of realization with the power cutter, this type of mechanism promoting the use of in power knife rest can faster, better promote functional part manufacture level and the product level of China.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of hydraulic type power knife rest clutch, described power knife rest comprises the power cutter, cutterhead and tool shank interface, described clutch comprises holder, supporting cover and power transmission housing, described power transmission housing is fixedly connected with a side of holder, described supporting cover is fixedly connected with the opposite side of holder, described supporting cover, be provided with in holder and the power transmission housing and run through successively supporting cover, the cavity of holder and power transmission housing, described cavity is provided with oil cylinder cover successively along running through direction, piston, back shaft and spline housing, described back shaft is provided with throws off oil pocket and engagement oil pocket, described disengagement oil pocket and engagement oil pocket move axially control to piston, the moving axially of described piston can drive spline housing and move axially, be provided with travelling gear in the described power transmission housing, described travelling gear circumferentially rotates control to back shaft, the circumferential rotation of described back shaft can drive spline housing and circumferentially rotate, structure and the tool shank interface structure of described spline housing end are complementary, and together engageable.
The beneficial effects of the utility model are: the utility model utilizes high thrust, the stationarity of oil pressure, realize positive engagement and disengaging that the power cutter engages, utilize the spline technology to realize high torque transfer, and utilize good support, the low noise transmission when realizing running up.Above technology fundamentally solved domestic power knife rest appearance poor, transmission for many years not steadily, reliability is low etc. hinders the problem that domestic machine tool functional component promotes class, simultaneously this mechanism have also that good looking appearance, compact conformation, clutch are smooth and easy, stable drive, the characteristics such as easy to maintenance.
On the basis of technique scheme, the utility model can also be done following improvement.
Further, described spline housing end is provided with the ring of posting a letter, be provided with the approach switch support in the described holder, described approach switch support is provided with the engagement approach switch and throws off approach switch, and described engagement approach switch links to each other by wire with the ring of posting a letter with the disengagement approach switch.
The beneficial effect that adopts above-mentioned further scheme is that the approach switch support is in order to support the engagement approach switch and to throw off approach switch, the accuracy of clutch action detects by the post a letter ring of the approach switch on the holder (namely throwing off approach switch and engagement approach switch) by the spline housing end and triggers, link to each other with approach switch and carry out signal and transmit by the wire ring of will posting a letter, utilize the switch control technology to realize the accurate detection of clutch action, with safety action accurately finish.
Description of drawings
Fig. 1 is the utility model structural representation.
In the accompanying drawing, the list of parts of each label representative is as follows:
1, power cutter, 2, cutterhead, 3, the tool shank interface, 4, spline housing, 5, travelling gear, 6, back shaft, 7, holder, 8, the engagement approach switch, 9, throw off approach switch, 10, supporting cover, 11, piston, 12, oil cylinder cover, 13, approach switch support, 14, power transmission housing, 15, throw off oil pocket, 16, the engagement oil pocket.
The specific embodiment
Below in conjunction with accompanying drawing principle of the present utility model and feature are described, institute gives an actual example and only is used for explaining the utility model, is not be used to limiting scope of the present utility model.
As shown in Figure 1, a kind of hydraulic type power knife rest clutch, described power knife rest comprises power cutter 1, cutterhead 2 and tool shank interface 3, described clutch comprises holder 7, supporting cover 10 and power transmission housing 14, described power transmission housing 14 is fixedly connected with a side of holder 7, described supporting cover 10 is fixedly connected with the opposite side of holder 7, described supporting cover 10, be provided with in holder 7 and the power transmission housing 14 and run through successively supporting cover 10, the cavity of holder 7 and power transmission housing 14, described cavity is provided with oil cylinder cover 12 successively along running through direction, piston 11, back shaft 6 and spline housing 4, described back shaft 6 is provided with throws off oil pocket 15 and engagement oil pocket 16, described disengagement oil pocket 15 and 16 pairs of pistons 11 of engagement oil pocket move axially control, the moving axially of described piston 11 can drive spline housing 4 and move axially, be provided with travelling gear 5 in the described power transmission housing 14,5 pairs of back shafts 6 of described travelling gear circumferentially rotate control, described back shaft 6 circumferential rotations can drive spline housing 4 and circumferentially rotate, structure and tool shank interface 3 structures of described spline housing 4 ends are complementary, and together engageable.
The axial clutch of described spline housing 4 is by the disengagement oil pocket 15 on the back shaft 6, engagement oil pocket 16 control pistons 11 are realized, the circumferential rotation of described spline housing 4 is realized by the travelling gear 5 control back shafts 6 in the power transmission housing 14, the circumferential rotation of described spline housing 4, move axially by back shaft 6, piston 11 is realized, wherein back shaft 6 end face bearings and journal bearing have guaranteed that the run up middle maintenance of piston 11 after spline housing 4 and tool shank interface 3 mesh maintains static, moving axially when only being used as power clutch, so that the sealing ring around piston 11 cavitys is without circumferential rotation, reduce the possibility of galling, kept long-term sealing effectiveness.Described spline housing 4 with the process of tool shank interface 3 clutches in by the flow of oil pocket hydraulic oil and the control of pressure are regulated, realize the stationarity of action and the size of control action power.
Described spline housing 4 ends are provided with the ring of posting a letter, be provided with approach switch support 13 in the described holder 7, described approach switch support 13 is provided with engagement approach switch 8 and throws off approach switch 9, and described engagement approach switch 8 links to each other by wire with the ring of posting a letter with disengagement approach switch 9.
Described approach switch support 13 is in order to support engagement approach switch 8 and to throw off approach switch 9, the accuracy of clutch action detects by the post a letter ring of the approach switch on the holder 7 (namely throwing off approach switch 8 and engagement approach switch 9) by spline housing 4 ends and triggers, link to each other with approach switch and carry out signal and transmit by the wire ring of will posting a letter, utilize the switch control technology to realize the accurate detection of clutch action, with safety action accurately finish.
The above only is preferred embodiment of the present utility model, and is in order to limit the utility model, not all within spirit of the present utility model and principle, any modification of doing, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (2)
1. hydraulic type power knife rest clutch, described power knife rest comprises power cutter (1), cutterhead (2) and tool shank interface (3), it is characterized in that,
Described clutch comprises holder (7), supporting cover (10) and power transmission housing (14), described power transmission housing (14) is fixedly connected with a side of holder (7), described supporting cover (10) is fixedly connected with the opposite side of holder (7), described supporting cover (10), be provided with in holder (7) and the power transmission housing (14) and run through successively supporting cover (10), the cavity of holder (7) and power transmission housing (14), be provided with successively oil cylinder cover (12) along running through direction in the described cavity, piston (11), back shaft (6) and spline housing (4), described back shaft (6) is provided with throws off oil pocket (15) and engagement oil pocket (16), described disengagement oil pocket (15) and engagement oil pocket (16) move axially control to piston (11), the moving axially of described piston (11) can drive spline housing (4) and move axially, be provided with travelling gear (5) in the described power transmission housing (14), described travelling gear (5) circumferentially rotates control to back shaft (6), described back shaft (6) circumferentially rotation can drive circumferentially rotation of spline housing (4), the structure of described spline housing (4) end and tool shank interface (3) structure are complementary, and together engageable.
2. described hydraulic type power knife rest clutch according to claim 1, it is characterized in that, described spline housing (4) end is provided with the ring of posting a letter, be provided with approach switch support (13) in the described holder (7), described approach switch support (13) is provided with engagement approach switch (8) and throws off approach switch (9), and described engagement approach switch (8) links to each other by wire with the ring of posting a letter with disengagement approach switch (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320194388 CN203197653U (en) | 2013-04-17 | 2013-04-17 | Oil pressure type power knife rest engaging and disengaging mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320194388 CN203197653U (en) | 2013-04-17 | 2013-04-17 | Oil pressure type power knife rest engaging and disengaging mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203197653U true CN203197653U (en) | 2013-09-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320194388 Expired - Fee Related CN203197653U (en) | 2013-04-17 | 2013-04-17 | Oil pressure type power knife rest engaging and disengaging mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203197653U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105171441A (en) * | 2015-09-23 | 2015-12-23 | 江苏宏达数控科技股份有限公司 | Power knife rest |
-
2013
- 2013-04-17 CN CN 201320194388 patent/CN203197653U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105171441A (en) * | 2015-09-23 | 2015-12-23 | 江苏宏达数控科技股份有限公司 | Power knife rest |
| CN105171441B (en) * | 2015-09-23 | 2017-09-19 | 江苏宏达数控科技股份有限公司 | Power knife rest |
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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: 20130918 |