CN105750573A - Internal oil-air cooling system for cutting tool - Google Patents
Internal oil-air cooling system for cutting tool Download PDFInfo
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- CN105750573A CN105750573A CN201410786540.7A CN201410786540A CN105750573A CN 105750573 A CN105750573 A CN 105750573A CN 201410786540 A CN201410786540 A CN 201410786540A CN 105750573 A CN105750573 A CN 105750573A
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- China
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- oil
- air
- cooling system
- air inlet
- tool
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Abstract
The invention discloses an internal oil-air cooling system for a cutting tool. The system comprises a tool bit and a tool bar, wherein an oil inlet hole and an air inlet hole are formed in the tool bar; an air outlet hole is formed in the end surface, connected with a rake face located on the tool bit, of the tool bar; an oil-air mixing chamber communicated with the air inlet hole and the oil inlet hole is formed in the tool bar; an oil outlet hole and the oil-air mixing chamber are communicated in the tool bar. According to the internal oil-air cooling system for the cutting tool, the mode of sufficiently mixing cooling air and a cooling liquid is adopted, a cooling oil and gas mixture is sprayed to a tool edge of the tool bit, scrap iron is washed away, so that the scrap iron is not likely to adhere to the tool edge, the tool edge is cooled more sufficiently, the cooling effect is good, the processing efficiency is high, and the service life of the cutting tool is long.
Description
Technical field
The invention belongs to the field of cutter with special chiller, be specifically related to oil gas cooling system in a kind of cutter.
Background technology
nullIn prior art，The cooling oil provided by lathe oil delivering unit is cooled down，During lathe work, machined workpiece rotates and boring head remains stationary as，Cause that cooling oil can not fully water on cutter，Boring machine stock-removing efficiency is caused to reduce，Limit the service life of the edge of a knife simultaneously，Chinese patent CN103611958A description discloses oil gas cooling system in a kind of cutter，Including boring head、Boring bar，The front portion of described boring head is provided with boring head end cap，The rear end face of described boring head end cap is provided with fuel feed hole，The front end face of described boring head end cap is provided with oil outlet，Described fuel feed hole connects in described end cap with described oil outlet，It is big that this interior type of cooling easily causes fuel consumption，Oil outlet pressure hour，Cooling effect is poor，It is not easy to wash away iron filings，When oil outlet pressure is big，Easily cause cooling oil waste，And unnecessary cooling oil accumulates on the nose angle of the edge of a knife，Affect crudy.
Summary of the invention
In view of this, it is an object of the invention to provide oil gas cooling system in a kind of cutter, in this cutter, oil gas cooling system is by adopting cooling air and the well-mixed mode of coolant, the oil-gas jetting knife-edge part at cutter head will be cooled down, wash away iron filings, making iron filings not easily adhere at knife-edge part, make edge of a knife cooling more abundant, good cooling results, working (machining) efficiency are high, cutter life is long.
In order to achieve the above object, oil gas cooling system in one cutter of the present invention, including cutter head and knife bar, described knife bar is provided with fuel feed hole and air inlet, the end face that described knife bar is connected with the rake face being positioned on cutter head is provided with venthole, being provided with the air-fuel mixture room connected with air inlet and fuel feed hole in described knife bar, described oil outlet connects in described knife bar with described air-fuel mixture room.
Further, described air inlet is arranged on knife bar tail end
Further, being connected to intake valve in described air inlet, described intake valve tail end is connected to cooling trachea and its forward end extending in pore is set to taper.
Further, described intake valve taper surface being provided with the swirl injection hole connected with air inlet no less than 2, described swirl injection centerline hole is interlaced in space with air inlet axis.
Further, described swirl injection centerline hole and air inlet centrage form the angle of 5 °～60 °.
Further, described swirl injection hole is set to 3 and is distributed on intake valve tapered end face.
Further, described fuel feed hole and oil outlet have one or more respectively.
The beneficial effects of the present invention is:
In cutter of the present invention, oil gas cooling system is by adopting cooling air and the well-mixed mode of coolant, the oil-gas jetting knife-edge part at cutter head will be cooled down, wash away iron filings, iron filings are made not easily to adhere at knife-edge part, making edge of a knife cooling more abundant, good cooling results, working (machining) efficiency are high, cutter life is long.
Accompanying drawing explanation
Fig. 1 is the structural representation of oil gas cooling system in cutter of the present invention；
Accompanying drawing labelling: 1-cutter head；2-knife bar；3-rake face；4-air inlet；5-fuel feed hole；6-oil outlet；7-intake valve；8-swirl injection hole；9-air-fuel mixture room.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
It is illustrated in figure 1 in cutter of the present invention the structural representation of oil gas cooling system；Oil gas cooling system in one cutter of the present invention, including cutter head 1 and knife bar 2, described knife bar 2 is provided with fuel feed hole 5 and air inlet 4, the end face that described knife bar 2 is connected with cutter head 1 rake face 3 is provided with oil outlet 6, being provided with the air-fuel mixture room 9 connected with air inlet 4 and fuel feed hole 5 in described knife bar 2, described oil outlet 5 connects in described knife bar 2 with described air-fuel mixture room 9.
The present embodiment cooling air enters in air-fuel mixture room 9 by cooling trachea, air inlet 4, concurrently cooling oil enters air-fuel mixture room 9 by fuel feed hole 5, after cooling air and cooling oil mix in air-fuel mixture room 9, and discharged by venthole 6, it is sprayed onto the knife-edge part on cutter head 1, by adopting cooling air and the well-mixed mode of coolant, the oil-gas jetting knife-edge part at cutter head will be cooled down, wash away iron filings, iron filings are made not easily to adhere at knife-edge part, making edge of a knife cooling more abundant, good cooling results, working (machining) efficiency are high, cutter life is long.
Further, it is preferred that described air inlet 4 is arranged on knife bar 2 tail end, this structure advantageously reduce cooling air turn to.
Further, it is connected to intake valve 7 in preferred described air inlet 4, described intake valve 7 tail end is connected to cooling trachea and its forward end extending in pore is set to taper, and this structure is conducive to improving the pressure of intake valve 7 outlet cooling air, improves cooling effect.
Further, preferred described intake valve 7 taper surface is provided with the swirl injection hole 8 connected no less than 2 with air inlet 4, described swirl injection hole 8 centrage is interlaced in space with air inlet 4 axis, this is all conducive under the effect in swirl injection hole 8, cooling air is that cyclone type edge enters air-fuel mixture room 9, is possible not only to improve air-fuel mixture effect, and carries out being injected in the knife-edge part of cutter head 1 in the way of eddy flow by cooling oil gas, wash away iron filings, make iron filings not easily adhere at knife-edge part.
Further, it is preferred that described swirl injection centerline hole 8 and air inlet 4 centrage form the angle of 5 °～60 °, this structure is conducive to improving the eddy flow effect of eddy flow cooling air.
Further, described swirl injection hole 8 is set to 3 and is distributed on intake valve 7 tapered end face, and this structure is conducive to the stability of eddy flow cooling air, it is to avoid the flow-rate fluctuation of eddy flow cooling air is indefinite.
Further, it is preferred that described fuel feed hole 4 and oil outlet 6 have one or more respectively.
What finally illustrate is, preferred embodiment above is only in order to illustrate technical scheme and unrestricted, although the present invention being described in detail by above preferred embodiment, but skilled artisan would appreciate that, in the form and details it can be made various change, without departing from claims of the present invention limited range.
Claims (7)
1. oil gas cooling system in a cutter, including cutter head and knife bar, it is characterized in that: described knife bar is provided with fuel feed hole and air inlet, the end face that described knife bar is connected with the rake face being positioned on cutter head is provided with venthole, being provided with the air-fuel mixture room connected with air inlet and fuel feed hole in described knife bar, described oil outlet connects in described knife bar with described air-fuel mixture room.
2. oil gas cooling system in cutter as defined in claim 1, it is characterised in that: described air inlet is arranged on knife bar tail end.
3. such as oil gas cooling system in cutter according to claim 1 and 2, it is characterised in that: being connected to intake valve in described air inlet, described intake valve tail end is connected to cooling trachea and its forward end extending in pore is set to taper.
4. such as oil gas cooling system in cutter according to claim 3, it is characterized in that: be provided with the swirl injection hole connected with air inlet no less than 2 on described intake valve taper surface, described swirl injection centerline hole is interlaced in space with air inlet axis.
5. such as oil gas cooling system in cutter according to claim 4, it is characterised in that: described swirl injection centerline hole forms the angle of 5 °～60 ° with air inlet centrage.
6. oil gas cooling system in cutter according to claim 5, it is characterised in that: described swirl injection hole is set to 3 and is distributed on intake valve tapered end face.
7. oil gas cooling system in cutter according to claim 1, it is characterised in that: described fuel feed hole and oil outlet have one or more respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410786540.7A CN105750573A (en) | 2014-12-18 | 2014-12-18 | Internal oil-air cooling system for cutting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410786540.7A CN105750573A (en) | 2014-12-18 | 2014-12-18 | Internal oil-air cooling system for cutting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105750573A true CN105750573A (en) | 2016-07-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410786540.7A Pending CN105750573A (en) | 2014-12-18 | 2014-12-18 | Internal oil-air cooling system for cutting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105750573A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107791043A (en) * | 2017-12-01 | 2018-03-13 | 江苏新瑞重工科技有限公司 | Multistation shape extrusion lathe |
| CN111618323A (en) * | 2020-06-04 | 2020-09-04 | 成都工具研究所有限公司 | Micro-lubricating cutter and lubricating method thereof |
-
2014
- 2014-12-18 CN CN201410786540.7A patent/CN105750573A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107791043A (en) * | 2017-12-01 | 2018-03-13 | 江苏新瑞重工科技有限公司 | Multistation shape extrusion lathe |
| CN111618323A (en) * | 2020-06-04 | 2020-09-04 | 成都工具研究所有限公司 | Micro-lubricating cutter and lubricating method thereof |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160713 |
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| WD01 | Invention patent application deemed withdrawn after publication |