CN103867877A - Improved oil absorption device for EDM (Electric Discharge Machining) machine tool - Google Patents
Improved oil absorption device for EDM (Electric Discharge Machining) machine tool Download PDFInfo
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- CN103867877A CN103867877A CN201410102210.1A CN201410102210A CN103867877A CN 103867877 A CN103867877 A CN 103867877A CN 201410102210 A CN201410102210 A CN 201410102210A CN 103867877 A CN103867877 A CN 103867877A
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- valve body
- oil inlet
- controller
- oil
- adjusting axle
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Abstract
An improved oil absorption device for an EDM (Electric Discharge Machining) machine tool comprises a valve body; a cavity is formed in the valve body; an oil inlet channel is arranged on the valve body; an adjusting shaft for limiting the oil inlet quantity through limiting the oil passing caliber of the oil inlet channel is arranged on the valve body; the front end of the adjusting shaft stretches into the oil inlet channel; the rear end of the adjusting shaft extends out of the valve body; a driving mechanism is fixedly arranged on the outer side of the valve body; a motion part is arranged in the drive mechanism, and is connected with the rear end of the adjusting shaft through a transmission mechanism; the drive mechanism is connected with the controller; a pressure sensor is arranged in the cavity, and is connected with the controller; the controller is connected with a control command input device; the pressure sensor detects the vacuum pressure in real time and feeds the vacuum pressure back to the controller; the controller compares the detected vacuum pressure with the target vacuum pressure inputted by the control command input device, and then drives the adjusting shaft through the drive mechanism to adjust the oil inlet pressure to the target value, so that the oil inlet flow is adjusted in real time according to the demand fluctuation of engine oil.
Description
Technical field:
The present invention relates to mechanical field, relate in particular to electro-discharge machine tool, the particularly circulatory system of machine oil in electro-discharge machine tool, specifically a kind of improved Oil sucking device of spark-erosion machine tool.
Background technique:
Electro-discharge machine tool in the course of the work, need to utilize machine oil to be lubricated with cooling moving element.Machine oil enters the pipeline in lathe by an Oil sucking device.In Oil sucking device, include a die cavity, die cavity middle part is provided with a high pressure oil outlet, the sidewall of die cavity is provided with an inlet port, while spraying swiftly flowing high pressure oil in high pressure oil outlet, in die cavity, form vacuum, machine oil in Fuel Tanking Unit is sucked to die cavity from inlet port, then be transported to together with high pressure oil in the pipeline in lathe.Because the flow velocity of high pressure oil is unadjustable, therefore oil suction pressure is also unadjustable.The applicant has proposed a kind of Oil sucking device of spark-erosion machine tool in CN202490989U Chinese patent, this device comprises valve body, in valve body, be provided with die cavity, on valve body, be provided with oil inlet passage, inflow pipeline is communicated with die cavity by this oil inlet passage, flowline and oil-absorbing pipeline are all communicated with die cavity, on valve body, be provided with the adjusting axle that limits oil inlet quantity by the oily caliber size of mistake of restriction oil inlet passage, the front end of this adjusting axle stretches in oil inlet passage, stretch out outside valve body the rear end of adjusting axle, regulate oil-feed flow by setting up adjusting axle, thereby regulate the size of oil suction pressure.But, in electro-discharge machine tool working procedure, larger to the demand fluctuation of machine oil, be difficult to regulate oil-feed flow by this adjusting axle in real time.
Summary of the invention:
The object of the present invention is to provide a kind of improved Oil sucking device of spark-erosion machine tool, the improved Oil sucking device of described this spark-erosion machine tool will solve the technical problem that is difficult to regulate by this adjusting axle in real time oil-feed flow in prior art in spark-erosion machine tool Oil sucking device.
The improved Oil sucking device of this spark-erosion machine tool of the present invention, comprise a valve body, in described valve body, be provided with die cavity, on valve body, be provided with oil inlet passage, an inflow pipeline is communicated with described die cavity by described oil inlet passage, a flowline and an oil-absorbing pipeline are all communicated with die cavity, on valve body, be provided with an adjusting axle that limits oil inlet quantity by the hydraulic fluid port footpath excessively of restriction oil inlet passage, the front end of described adjusting axle stretches in oil inlet passage, stretch out outside valve body the rear end of adjusting axle, wherein, described valve body outside is fixedly installed a driving mechanism, described driving mechanism comprises an action component, described action component is connected with the rear end of adjusting axle by driving mechanism, driving mechanism includes a control end, described control end is connected with a controller, in die cavity, be provided with a pressure transducer, described pressure transducer is connected with described controller by signaling line, controller is connected with a control command input device.
Further, in described controller, be provided with single-chip microcomputer or programmable logic controller (PLC).
Further, adjusting axle is connected with valve body by screw pair, the rear end of adjusting axle is fixedly installed driven gear, driving mechanism comprises a motor, on the output shaft of described motor, be connected with gear, the output terminal of described gear is provided with driving gear, and described driving gear engages with described driven gear.
Working principle of the present invention is: the pressure transducer in die cavity detects vacuum pressure in real time, and feed back to controller, compare with the target vacuum pressure of control command input device input, then drive adjusting axle by driving mechanism, input pressure is adjusted to desired value.
The present invention and prior art are compared, and its effect is actively with obvious.The present invention arranges pressure transducer in die cavity, detect in real time vacuum pressure, and feed back to controller, be outside equipped with driving mechanism at valve body, action component in driving mechanism is connected with the rear end of adjusting axle by driving mechanism, and controller compares the target vacuum pressure of the vacuum pressure detecting and the input of control command input device, then drives adjusting axle by driving mechanism, input pressure is adjusted to desired value, thereby can regulate in real time oil-feed flow according to the demand fluctuation of machine oil.
Accompanying drawing explanation:
Fig. 1 is the structural representation of the improved Oil sucking device of a kind of spark-erosion machine tool of the present invention.
Embodiment:
Embodiment 1:
As shown in Figure 1, the improved Oil sucking device of a kind of spark-erosion machine tool of the present invention, comprise a valve body 1, in described valve body 1, be provided with die cavity 2, on valve body 1, be provided with oil inlet passage 3, an inflow pipeline 4 is communicated with described die cavity 2 by described oil inlet passage 3, a flowline 5 and an oil-absorbing pipeline 6 are all communicated with die cavity 2, on valve body 1, be provided with an adjusting axle 7 that limits oil inlet quantity by the hydraulic fluid port footpath excessively of restriction oil inlet passage 3, the front end of described adjusting axle 7 stretches in oil inlet passage 3, stretch out outside valve body 1 rear end of adjusting axle 7, wherein, described valve body 1 outside is fixedly installed a driving mechanism 8, described driving mechanism 8 comprises an action component, described action component is connected with the rear end of adjusting axle 7 by driving mechanism 9, driving mechanism 8 includes a control end, described control end is connected with a controller 10, in die cavity 2, be provided with a pressure transducer 11, described pressure transducer 11 is connected with described controller 10 by signaling line, controller 10 is connected with a control command input device.
Further, in described controller 10, be provided with single-chip microcomputer or programmable logic controller (PLC) 10.
Further, adjusting axle 7 is connected with valve body 1 by screw pair, the rear end of adjusting axle 7 is fixedly installed driven gear, driving mechanism 8 comprises a motor, on the output shaft of described motor, be connected with gear, the output terminal of described gear is provided with driving gear, and described driving gear engages with described driven gear.
The working principle of the present embodiment is: the pressure transducer 11 in die cavity 2 detects vacuum pressure in real time, and feed back to controller 10, compare with the target vacuum pressure of control command input device input, then drive adjusting axle 7 by driving mechanism 8, input pressure is adjusted to desired value.
Concrete, on valve body 1, be provided with a pressure vacuum gauge 12.
Claims (3)
1. the improved Oil sucking device of a spark-erosion machine tool, comprise a valve body, in described valve body, be provided with die cavity, on valve body, be provided with oil inlet passage, an inflow pipeline is communicated with described die cavity by described oil inlet passage, a flowline and an oil-absorbing pipeline are all communicated with die cavity, on valve body, be provided with an adjusting axle that limits oil inlet quantity by the hydraulic fluid port footpath excessively of restriction oil inlet passage, the front end of described adjusting axle stretches in oil inlet passage, stretch out outside valve body the rear end of adjusting axle, it is characterized in that: described valve body outside is fixedly installed a driving mechanism, described driving mechanism comprises an action component, described action component is connected with the rear end of adjusting axle by driving mechanism, driving mechanism includes a control end, described control end is connected with a controller, in die cavity, be provided with a pressure transducer, described pressure transducer is connected with described controller by signaling line, controller is connected with a control command input device.
2. the improved Oil sucking device of a kind of spark-erosion machine tool as claimed in claim 1, is characterized in that: in described controller, be provided with single-chip microcomputer or programmable logic controller (PLC).
3. the improved Oil sucking device of a kind of spark-erosion machine tool as claimed in claim 1, it is characterized in that: adjusting axle is connected with valve body by screw pair, the rear end of adjusting axle is fixedly installed driven gear, driving mechanism comprises a motor, on the output shaft of described motor, be connected with gear, the output terminal of described gear is provided with driving gear, and described driving gear engages with described driven gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410102210.1A CN103867877A (en) | 2014-03-19 | 2014-03-19 | Improved oil absorption device for EDM (Electric Discharge Machining) machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410102210.1A CN103867877A (en) | 2014-03-19 | 2014-03-19 | Improved oil absorption device for EDM (Electric Discharge Machining) machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103867877A true CN103867877A (en) | 2014-06-18 |
Family
ID=50906717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410102210.1A Pending CN103867877A (en) | 2014-03-19 | 2014-03-19 | Improved oil absorption device for EDM (Electric Discharge Machining) machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103867877A (en) |
-
2014
- 2014-03-19 CN CN201410102210.1A patent/CN103867877A/en active Pending
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140618 |
|
| WD01 | Invention patent application deemed withdrawn after publication |