CN104128642A - Inner-cooling step drill with good cooling effect - Google Patents
Inner-cooling step drill with good cooling effect Download PDFInfo
- Publication number
- CN104128642A CN104128642A CN201310159321.1A CN201310159321A CN104128642A CN 104128642 A CN104128642 A CN 104128642A CN 201310159321 A CN201310159321 A CN 201310159321A CN 104128642 A CN104128642 A CN 104128642A
- Authority
- CN
- China
- Prior art keywords
- cooling
- blade
- cooling water
- drill
- edge part
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/009—Stepped drills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/06—Drills with lubricating or cooling equipment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention aims to provide an inner-cooling step drill with a good cooling effect. The inner-cooling step drill comprises a drill handle, and an edge part mounted at the end of the drill handle, wherein multiple sections of drilling edges with gradually increased diameters are arranged in the connected places between the end to the edge of the edge part and the drill handle; a water inlet channel penetrates in the drill handle; a cooling water outlet communicated with the water inlet channel is formed in the end of the edge part; the key point is that auxiliary cooling water outlets communicated with the water inlet channel are formed in the connected places of adjacent two sections of the drilling edges; and the auxiliary cooling water outlets are pointed to the end of the edge part. The inner-cooling step drill is provided with the cooling water outlet and the auxiliary cooling water outlets in the reasonable positions, so that cooling water can smoothly flow out from the cooling water outlet always to continuously cool the end of the edge part, the cooling effect is guaranteed, and the service life of the drill bit is prolonged.
Description
Technical field
The invention belongs to bit technique field, specially refer to a kind of interior cold step drill of good cooling results.
Background technology
Although traditional interior cold step drill is provided with the intake tunnel that runs through drillstock, and is provided with delivery port in the end of blade, thereby cooling water is entered from intake tunnel, flow out from delivery port, for carrying out cooling in the position of boring.But the chip often being produced by boring due to the blade front end place of step drill hides, cooling water is difficult in time this place be carried out cooling, has affected the effect of the cooling and boring of step drill.
Summary of the invention
The object of the invention is to propose a kind of interior cold step drill of good cooling results.
The interior cold brill of good cooling results of the present invention comprises drillstock and is arranged on the blade of drillstock end, the end of described blade to the joint of blade and drillstock is disposed with the some sections of boring swords that diameter increases gradually, described drillstock runs through and is provided with into aquaporin, and the end of described blade is provided with and the coolant outlet that enters aquaporin and communicate; Key be the joint of described adjacent two sections of boring swords be provided with described enter the auxiliary coolant outlet that communicates of aquaporin, described auxiliary coolant outlet is towards the end of blade.
In boring procedure, one road cooling water drains into the end of blade from coolant outlet, carry out cooling to the end of blade, and another road cooling water sprays to the end of blade from auxiliary coolant outlet, can wash away near the chip accumulating in blade end, thereby avoid accumulation of debris near blade end and coolant outlet is stopped up, cooling water can flow out from coolant outlet all the time swimmingly like this, cooling to drill bit enforcement constantly, ensure cooling effect.Because blade end is the region of Driller Exothermic maximum, therefore this place is implemented effectively coolingly, can ensure the cooling effect of whole drill bit.
Further, the joint chamfered transition of described adjacent two sections of boring swords, can avoid increasing suddenly because the diameter sudden change of adjacent two sections of boring swords causes the active force between boring sword and hole wall that diameter is larger like this, makes hole wall produce too much burr.
The interior cold step drill of good cooling results of the present invention is by the rational coolant outlet of setting position and auxiliary coolant outlet, can ensure that cooling water can flow out from coolant outlet all the time swimmingly, implement cooling to blade end constantly, ensure cooling effect, extended the service life of drill bit.
Brief description of the drawings
Fig. 1 is the structural representation of interior cold step drill of the present invention.
Detailed description of the invention
Contrast accompanying drawing below, by the description to embodiment, the specific embodiment of the present invention is described in further detail as effect and the operation principle etc. of the mutual alignment between the shape of related each member, structure, each several part and annexation, each several part.
Embodiment 1:
As shown in Figure 1, the interior cold step drill of the good cooling results of the present embodiment comprises drillstock 1 and is arranged on the blade 2 of drillstock 1 end, the end of described blade 2 to blade 2 and the joint of drillstock 1 is disposed with two sections of boring swords 3 that diameter increases gradually, described drillstock 1 runs through and is provided with into aquaporin-4, and the end of described blade 2 is provided with and the coolant outlet 5 that enters aquaporin-4 and communicate; Key be the joint of described adjacent two sections of boring swords 3 be provided with described enter the auxiliary coolant outlet 6 that communicates of aquaporin-4, described auxiliary coolant outlet 6 is towards the end of blade 2.
In boring procedure, one road cooling water drains into the end of blade 2 from coolant outlet 5, carry out cooling to the end of blade, and another road cooling water sprays to the end of blade 2 from auxiliary coolant outlet 6, can wash away near the chip accumulating in blade 2 ends, thereby avoid accumulation of debris near blade 2 ends and coolant outlet 5 is stopped up, cooling water can flow out from coolant outlet 5 all the time swimmingly like this, cooling to drill bit enforcement constantly, ensure cooling effect.Because blade 2 ends are regions of Driller Exothermic maximum, therefore this place is implemented effectively coolingly, can ensure the cooling effect of whole drill bit.
The joint chamfered transition of adjacent two sections of boring swords 3, can avoid increasing suddenly because the diameter sudden change of adjacent two sections of boring swords 3 causes the active force between boring sword 3 and hole wall that diameter is larger like this, makes hole wall produce too much burr.
Claims (2)
1. the interior cold step drill of a good cooling results, comprise drillstock and the blade that is arranged on drillstock end, the end of described blade to the joint of blade and drillstock is disposed with the some sections of boring swords that diameter increases gradually, described drillstock runs through and is provided with into aquaporin, and the end of described blade is provided with and the coolant outlet that enters aquaporin and communicate; The joint that it is characterized in that described adjacent two sections of boring swords be provided with described enter the auxiliary coolant outlet that communicates of aquaporin, described auxiliary coolant outlet is towards the end of blade.
2. the interior cold step drill of good cooling results according to claim 1, it is characterized in that described adjacent two sections boring swords joint chamfered transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310159321.1A CN104128642A (en) | 2013-05-03 | 2013-05-03 | Inner-cooling step drill with good cooling effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310159321.1A CN104128642A (en) | 2013-05-03 | 2013-05-03 | Inner-cooling step drill with good cooling effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104128642A true CN104128642A (en) | 2014-11-05 |
Family
ID=51801637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310159321.1A Pending CN104128642A (en) | 2013-05-03 | 2013-05-03 | Inner-cooling step drill with good cooling effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104128642A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110560747A (en) * | 2019-09-04 | 2019-12-13 | 西安法士特汽车传动有限公司 | Inner-cooling stepped drill for inhibiting burrs at drill processing outlet |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2850780Y (en) * | 2005-12-13 | 2006-12-27 | 长安汽车（集团）有限责任公司 | Stepwise expanding drill |
| JP2010264533A (en) * | 2009-05-13 | 2010-11-25 | Osg Corp | Small diameter rotary tool with fluid supplying hole |
| CN201720501U (en) * | 2010-05-19 | 2011-01-26 | 株洲钻石切削刀具股份有限公司 | Guide-type step expanding drill |
| CN102145399A (en) * | 2011-03-30 | 2011-08-10 | 常熟市磊王合金工具有限公司 | Step drill |
| CN102448646A (en) * | 2009-03-30 | 2012-05-09 | 钴领无限公司 | Rotationally driven multi-bevel step tool |
| WO2012157468A1 (en) * | 2011-05-18 | 2012-11-22 | Uht株式会社 | Drill and drilling device using same |
| CN203171028U (en) * | 2013-04-19 | 2013-09-04 | 苏州文鼎模具有限公司 | Inner-cooled stepped drill with good cooling effect |
-
2013
- 2013-05-03 CN CN201310159321.1A patent/CN104128642A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2850780Y (en) * | 2005-12-13 | 2006-12-27 | 长安汽车（集团）有限责任公司 | Stepwise expanding drill |
| CN102448646A (en) * | 2009-03-30 | 2012-05-09 | 钴领无限公司 | Rotationally driven multi-bevel step tool |
| JP2010264533A (en) * | 2009-05-13 | 2010-11-25 | Osg Corp | Small diameter rotary tool with fluid supplying hole |
| CN201720501U (en) * | 2010-05-19 | 2011-01-26 | 株洲钻石切削刀具股份有限公司 | Guide-type step expanding drill |
| CN102145399A (en) * | 2011-03-30 | 2011-08-10 | 常熟市磊王合金工具有限公司 | Step drill |
| WO2012157468A1 (en) * | 2011-05-18 | 2012-11-22 | Uht株式会社 | Drill and drilling device using same |
| CN203171028U (en) * | 2013-04-19 | 2013-09-04 | 苏州文鼎模具有限公司 | Inner-cooled stepped drill with good cooling effect |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110560747A (en) * | 2019-09-04 | 2019-12-13 | 西安法士特汽车传动有限公司 | Inner-cooling stepped drill for inhibiting burrs at drill processing outlet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| DD01 | Delivery of document by public notice |
Addressee: SUZHOU WENDING MOULD CO., LTD. Document name: the First Notification of an Office Action |
|
| DD01 | Delivery of document by public notice |
Addressee: SUZHOU WENDING MOULD CO., LTD. Document name: Notification that Application Deemed to be Withdrawn |
|
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141105 |
|
| WD01 | Invention patent application deemed withdrawn after publication |