CN2858144Y - Arc shaped nozzle special for ejection drill - Google Patents
Arc shaped nozzle special for ejection drill Download PDFInfo
- Publication number
- CN2858144Y CN2858144Y CN 200520104514 CN200520104514U CN2858144Y CN 2858144 Y CN2858144 Y CN 2858144Y CN 200520104514 CN200520104514 CN 200520104514 CN 200520104514 U CN200520104514 U CN 200520104514U CN 2858144 Y CN2858144 Y CN 2858144Y
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- Prior art keywords
- nozzle
- inner nozzle
- special
- arc
- circular arc
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- Expired - Fee Related
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Abstract
The present utility model relates to an arc shaped nozzle special for ejection drill, characterized in that: the external contour line of the outer nozzle 3 is made of a section of outer nozzle arc R1; the inlet section generatrix of the inner nozzle 5 is made of two circumscribed inner nozzle arc tangent to each other, which outlet section adopts a gradually changed cone surface shape, wherein two grooves opened on the surface near to the outlet end of the inner nozzle 5 are used for adjusting the axial location between the inner nozzle 5 and the connection cover 4 and then adjusting the gap between the inner nozzle 5 and the outer nozzle 3. The runoff coefficient of the arc shaped nozzle special for ejection drill is similar to that of a taper shaped nozzle (more than 0.96), but the jet flow diffused angle of said ejection drill with arc shaped nozzle is smaller, leading to a more negative pressure and resulting in chip removal more efficient. The gradually changed cone surface shape in the back section of the inner nozzle 5 favors depressing the power loss. And the optimal spray and suction effect is capable of being obtained because that the gap between he inner nozzle 5 and the outer nozzle 3 is capable of being adjusted.
Description
Technical field
The utility model relates to a kind of the spray and inhales the circular arc nozzle that bores special use.
Background technology
It is a kind of deep hole machining instrument that utilizes spray suction principle to carry out chip removal that brill is inhaled in spray.It has characteristics such as chip breaking is effective, the chip removal ability strong, the cooling and lubricating hydraulic coupling is lower, is suitable for processing the deep hole of medium aspect ratio, draw ratio l/d up 100.
The operation principle that spray inhale to be bored by the cooling fluid with certain pressure of coolant pump output, wherein most ofly flows to cutting region through the gap of interior pipe 1 and outer tube 2 as shown in Figure 1, and the cooling cutting edge is also rushed in the smear metal mouth to smear metal, flows backward through interior pipe 1.Another fraction cooling fluid (injection stream) is then passed through the gap of 5 of outer nozzle 3 and inner nozzles and is sprayed backward, forms low pressure, high-speed jet in the exit of nozzle.According to conservation of energy principle (Bernoulli equation),, cause descending than pressure energy owing to increase than kinetic energy.Therefore, form low-pressure area around this burst injection stream, the front and back ends in interior pipe 1 forms pressure differential like this, produces certain " suction ", and the cooling fluid that quickening front end has smear metal flows backward, and smear metal is discharged.
In the prior art, the structure that the nozzle that bores adopts Fig. 2 is usually inhaled in spray, and wherein, outer nozzle and inner nozzle are conical structure, the injection cone angle beta
DrawGenerally get 14 °, angle of scattering β
LooseIt is 28 °.Though conical nozzle is easy to processing, the pressure loss is bigger, be difficult for realizing best jet velocity, thereby the negative pressure that forms is less, has influenced the chip removal performance.
Summary of the invention
Inhale and bore the negative pressure snapshot of oneself that nozzle the exists deficiencies such as bits performance of rehearsing with musical accompaniment in order to overcome in the prior art spray, negative pressure that the utility model provides a kind of spray to inhale to bore special-purpose circular arc nozzle, this spray to inhale to bore special-purpose circular arc nozzle to form is big, and its chip removal is functional.
The technical scheme that its technical problem that solves the utility model adopts is: spray is inhaled the special-purpose circular arc nozzle of brill and is made up of interior pipe 1, outer tube 2, outer nozzle 3, inner nozzle 5, adapter sleeve 4 and locking nut 6, all adopt thread connection between outer nozzle 3, inner nozzle 5 and the adapter sleeve 4, nut 6 has locking effect; The outer wheels profile of outer nozzle 3 is made up of one section outer nozzle circular arc, and the radius of outer nozzle circular arc is R1, and R1 is 0.06～0.12 times of bore diameter.The inducer bus of inner nozzle 5 is made up of two sections circumscribed inner nozzle circular arcs, the radius of two sections circumscribed inner nozzle circular arcs equates to be respectively R2 and R3, R2 and R3 are 0.03～0.06 times of bore diameter, and its outlet section adopts the conical surface shape of gradual change, and tapering is 1: 4～1: 6; Inner nozzle 5 has two grooves near on the end faces of the port of export, is used to adjust the axial location of inner nozzle 5 and 4 of adapter sleeves, thus the gap between adjusting inner nozzle 5 and the outer nozzle 3.
The beneficial effects of the utility model are: the discharge coefficient identical with conical nozzle (more than 0.96) that bores special-purpose circular arc nozzle is inhaled in this spray, but its spread angle of jet is less, thereby the negative pressure that forms is bigger, makes chip removal unobstructed.The conical surface shape of inner nozzle 5 back segment gradual changes helps reducing energy loss.Because the adjustable gaps between interior outer nozzle, thereby can obtain best spray suction effect.
Description of drawings
Fig. 1 sprays and inhales the fundamental diagram that bores;
Fig. 2 sprays and inhales the nozzle schematic diagram that bores;
Fig. 3 sprays to inhale and bores special-purpose circular arc nozzle schematic diagram.
In Fig. 1, Fig. 3,1. in pipe, 2 outer tubes, 3 outer nozzles, 4. adapter sleeve, 5. inner nozzle, 6. locking nut, R1 is the outer nozzle arc radius, R2, R3 are the inner nozzle arc radius, d is a bore diameter.
The specific embodiment
Fig. 3 is an embodiment (see figure 3) of the present utility model, all adopts thread connection between outer nozzle 3, inner nozzle 5 and the adapter sleeve 4; The outer wheels profile of outer nozzle 3 is made up of one section outer nozzle circular arc, and outer nozzle arc radius R1 is 0.1 times of bore diameter.The inducer bus of inner nozzle 5 is made up of two sections circumscribed inner nozzle circular arcs, and the radius of two inner nozzle circular arcs equates to be respectively R2 and R3, and R2 and R3 are 0.05 times of bore diameter, and its outlet section adopts the conical surface shape of gradual change, and tapering is 1: 5; Inner nozzle 5 has two grooves near on the end faces of the port of export, and the axial location that is used to adjust inner nozzle 5 and 4 of adapter sleeves is with the gap between adjusting inner nozzle 5 and the outer nozzle 3, and nut 6 has locking effect.
Claims (3)
1. a spray is inhaled and is bored special-purpose circular arc nozzle, comprise interior pipe (1), outer tube (2), outer nozzle (3), inner nozzle (5), adapter sleeve (4) and locking nut (6), all adopt thread connection between outer nozzle (3), inner nozzle (5) and the adapter sleeve (4), and by locking nut (6) locking, it is characterized in that: the outer wheels profile of outer nozzle (3) is made up of one section outer nozzle circular arc; The inducer bus of inner nozzle (5) is made up of two sections circumscribed inner nozzle circular arcs, its outlet section adopts the conical surface shape of gradual change, inner nozzle (5) has two grooves near on the end face of the port of export, be used to adjust the axial location between inner nozzle (5) and adapter sleeve (4), thereby regulate the gap between inner nozzle (5) and the outer nozzle (3).
2. the special-purpose circular arc nozzle of brill is inhaled in described spray according to claim 1, it is characterized in that: outer nozzle arc radius R1=(0.06～0.12) d.
3. inhale the special-purpose circular arc nozzle of brill according to claim 1 or 2 described sprays, it is characterized in that: two sections circumscribed inner nozzle arc radius R2 equate with R3, R2, R3=(0.03～0.06) d, and its outlet section adopts the conical surface shape of gradual change, and tapering is 1: 4～1: 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520104514 CN2858144Y (en) | 2005-10-22 | 2005-10-22 | Arc shaped nozzle special for ejection drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520104514 CN2858144Y (en) | 2005-10-22 | 2005-10-22 | Arc shaped nozzle special for ejection drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2858144Y true CN2858144Y (en) | 2007-01-17 |
Family
ID=37611003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520104514 Expired - Fee Related CN2858144Y (en) | 2005-10-22 | 2005-10-22 | Arc shaped nozzle special for ejection drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2858144Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102886833A (en) * | 2012-09-21 | 2013-01-23 | 中国电子科技集团公司第四十八研究所 | Cooling liquid spraying device used for sapphire slicing |
| CN103894648A (en) * | 2014-03-19 | 2014-07-02 | 中北大学 | Multifunctional high-speed deep hole rig with negative pressure chip suction device |
| CN106667370A (en) * | 2016-10-27 | 2017-05-17 | 中车青岛四方机车车辆股份有限公司 | Micropore dust absorbing device |
| CN108162395A (en) * | 2018-03-05 | 2018-06-15 | 郑州智高电子科技有限公司 | 3D printer and its print head |
| CN108326344A (en) * | 2018-04-02 | 2018-07-27 | 西南交通大学 | A kind of deep hole machining drilling chip extractor |
| CN110730699A (en) * | 2017-05-02 | 2020-01-24 | 彗星德国有限公司 | Cutting tool with coolant deflecting structure |
| CN111843196A (en) * | 2020-06-29 | 2020-10-30 | 沈阳富创精密设备有限公司 | Simple coaxial blowing protection device for laser welding |
-
2005
- 2005-10-22 CN CN 200520104514 patent/CN2858144Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102886833A (en) * | 2012-09-21 | 2013-01-23 | 中国电子科技集团公司第四十八研究所 | Cooling liquid spraying device used for sapphire slicing |
| CN102886833B (en) * | 2012-09-21 | 2015-09-30 | 中国电子科技集团公司第四十八研究所 | A kind of cooling liquid spray device for sapphire slices |
| CN103894648A (en) * | 2014-03-19 | 2014-07-02 | 中北大学 | Multifunctional high-speed deep hole rig with negative pressure chip suction device |
| CN103894648B (en) * | 2014-03-19 | 2016-02-17 | 中北大学 | A kind of multifunctional high speed deep hole rig being provided with withdraw-filings device |
| CN106667370A (en) * | 2016-10-27 | 2017-05-17 | 中车青岛四方机车车辆股份有限公司 | Micropore dust absorbing device |
| CN110730699A (en) * | 2017-05-02 | 2020-01-24 | 彗星德国有限公司 | Cutting tool with coolant deflecting structure |
| CN108162395A (en) * | 2018-03-05 | 2018-06-15 | 郑州智高电子科技有限公司 | 3D printer and its print head |
| CN108326344A (en) * | 2018-04-02 | 2018-07-27 | 西南交通大学 | A kind of deep hole machining drilling chip extractor |
| CN111843196A (en) * | 2020-06-29 | 2020-10-30 | 沈阳富创精密设备有限公司 | Simple coaxial blowing protection device for laser welding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |