CN207709934U - Internal-cooling bit of drill fixture - Google Patents
Internal-cooling bit of drill fixture Download PDFInfo
- Publication number
- CN207709934U CN207709934U CN201721626920.XU CN201721626920U CN207709934U CN 207709934 U CN207709934 U CN 207709934U CN 201721626920 U CN201721626920 U CN 201721626920U CN 207709934 U CN207709934 U CN 207709934U
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- plinth
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- collet
- hole
- gasket
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Abstract
The utility model discloses a kind of internal-cooling bit of drill fixtures, including collet（2）, clamp body（3）, hose（6）, it is characterised in that：Clamp body（3）Internal leading portion is respectively provided with collet with back segment（2）And plinth（5）, collet（2）Internal through-hole and plinth（5）Through-hole be connected, plinth（5）Through-hole tail be connected with connector（7）, connector（7）The other end is connected with hose（6）, collet（2）With plinth（5）Between be provided with gasket（4）, gasket（4）Centre be provided with endoporus, front end is set as concave shaped end face, and periphery is set as cascaded surface, wherein gasket（4）The small outer circumference surface and plinth of rear end（5）Head is interference fitted, gasket（4）Endoporus and plinth（5）Through-hole be connected.It is the utility model high-quality stable, high-efficiency and economic, simple in structure, it is suitble to drill bit deep hole machining coolant liquid injection is cooling to promote the use of.
Description
Technical field
The utility model belongs to mechanical clamping device technical field, relates in particular to a kind of internal-cooling bit of drill fixture.
Background technology
The processing in hole is link that must not be fine during machine-building, deep hole machining be also frequently encounter it is processed
Journey.Deep hole machining, especially hard-cutting material（Such as titanium alloy etc materials）Deep hole machining, if cooling not in place, Jiu Huizao
At drawback once：First, cutting temperature is difficult to be discharged when drilling, drill bit durability is reduced；Second is that scrap be bonded in bit face and
On cutting edge, parts processing surface size, geometric tolerance and surface roughness are influenced；Third, moving back bits not in time, can also cause to bore
Head twists off.For a long time, titanium alloy deep hole machined coolant liquid is difficult in injection hole, can not reduce cutting temperature, and conjunction is not yet received
The improvement of reason.
Invention content
A kind of high-quality stable for being there is provided the purpose of the utility model is to overcome disadvantages mentioned above, high-efficiency and economic, structure letter
Single, simple operation internal-cooling bit of drill fixture.
The utility model aim and its technical problem underlying is solved using following technical scheme to realize：
The internal-cooling bit of drill fixture of the utility model, including collet, clamp body, hose, wherein：Inside clamp body
Leading portion is respectively provided with collet and plinth with back segment, and the through-hole inside collet is connected with the through-hole of plinth, connects
The through-hole tail of headstock is connected with connector, and the connector other end is connected with hose.
Above-mentioned internal-cooling bit of drill fixture, wherein：Gasket is provided between collet and plinth.
Above-mentioned internal-cooling bit of drill fixture, wherein：The centre of gasket is provided with endoporus, and front end is set as concave shaped end face,
Periphery is set as cascaded surface, and the wherein small outer circumference surface of gasket rear end is interference fitted with plinth head, the endoporus of gasket
It is connected with the through-hole of plinth.
Above-mentioned internal-cooling bit of drill fixture, wherein：Collet is connected by the nut of outer end with clamp body, and nut
On the external screw thread on clamp body head.
Above-mentioned internal-cooling bit of drill fixture, wherein：Plinth tail portion is provided with disk body, and the through hole in the middle part of disk body passes through screw thread
It is connect with connector, the step surface in the middle part of plinth is interference fitted in clamp body.
Above-mentioned internal-cooling bit of drill fixture, wherein：Clamp body is matched by internal taper surface with collet male cone (strobilus masculinus).
The utility model compared with the existing technology has clear advantage and advantageous effect.By above technical scheme it is found that
In the internal-cooling bit of drill fixture of the utility model, the leading portion inside clamp body is respectively provided with collet and plinth with back segment,
Through-hole inside collet is connected with the through-hole of plinth, and the through-hole tail of plinth is connected with connector, the connector other end
It is connected with hose, realizes that cooling-lubricant by hose, plinth, drill bit caudal peduncle endoporus, is sprayed from drill bit cutting edge, played cold
But, chip removal reduces the effect of cutting heat, to improve machining accuracy and surface roughness；Between collet and plinth
It is provided with gasket, the centre of gasket is provided with endoporus, is convenient for the circulation of cooling-lubricant；In the front end of gasket is set as
Spill end face ensures that drill bit is packed into and is sealed with gasket convenient for coincideing with the drill bit caudal peduncle end faces R；The periphery of gasket is set as
Cascaded surface, the wherein small outer circumference surface of gasket rear end are interference fitted with plinth head, sealed reliable；Plinth tail portion is arranged
There is disk body, the through hole in the middle part of disk body is connect by screw thread with connector, and the step surface in the middle part of plinth is interference fitted in clamp body
It is interior, realize plinth and connector, clamp body is reliably connected；Clamp body passes through internal taper surface and collet male cone (strobilus masculinus)
It matches, cooperation is stablized.
The advantages of the utility model, mainly has：1. conducive to processing scrap discharge；2. avoiding drill bit from being bonded with scrap, parts list
There is hardened layer in face；3. eliminating the thermal deformation occurred in titanic alloy machining.To ensure parts size precision and surface roughness.
In short, the utility model high-quality stable, high-efficiency and economic, simple in structure, simple operation, are suitble to drill bit deep hole machining coolant liquid injection
Cooling promotes the use of.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of clamp body；
Fig. 3 is the structural schematic diagram of gasket；
Fig. 4 is the structural schematic diagram of plinth；
Fig. 5 is the usage state diagram of utility model.
It is identified in figure：
1, nut；2, collet；3, clamp body；4, gasket；5, plinth；6, hose；7, connector；8, drill bit.
Specific implementation mode
Below in conjunction with attached drawing and preferred embodiment, to according to the utility model proposes the specific implementation of internal-cooling bit of drill fixture
Mode, structure, feature and its effect are described in detail as after.
Referring to Fig. 1 to Fig. 4, the internal-cooling bit of drill fixture of the utility model, including collet 2, clamp body 3, hose 6,
It is characterized in that：Leading portion inside clamp body 3 and back segment are respectively provided with collet 2 and plinth 5, inside collet 2
Through-hole is connected with the through-hole of plinth 5, and the through-hole tail of plinth 5 is connected with connector 7, and 7 other end of connector is connected with hose
6.Gasket 4 is provided between collet 2 and plinth 5.The centre of gasket 4 is provided with endoporus, and front end is set as indent
Shape end face, periphery are set as cascaded surface, and the wherein small outer circumference surface of 4 rear end of gasket is interference fitted with 5 head of plinth, sealing
The endoporus of pad 4 is connected with the through-hole of plinth 5.Collet 2 is connected by the nut 1 of outer end with clamp body 3, and spiral shell
Mother 1 is on the external screw thread on 3 head of clamp body.5 tail portion of plinth is provided with disk body, the through hole in the middle part of disk body by screw thread with
Connector 7 connects, and the step surface at 5 middle part of plinth is interference fitted in clamp body 3.Clamp body 3 passes through internal taper surface and bullet
2 male cone (strobilus masculinus) of spring collet matches.
In use, referring to Fig. 5, collet 2 is first packed into clamp body 3, is connect with clamp body 3 by nut 1, and will be close
Packing 4 is connect with 5 force fit of plinth, is then charged into clamp body 3 and is connected and fixed, and connector 7 is connect with the through-hole of plinth 5,
7 other end of connector is connect with hose 6, and last hose 6 is connected with the outlet of lathe cooling-lubricant.Cooling-lubricant by hose 6,
The problem of endoporus of plinth 5, drill bit caudal peduncle sprays from the cutting edge of drill bit 8, plays cooling, chip removal, reduce cutting heat, to
Improve machining accuracy and surface roughness.The utility model high-quality stable, high-efficiency and economic, simple in structure, simple operation are suitble to
The injection of drill bit deep hole machining coolant liquid is cooling to promote the use of.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation, it is any without departing from the content of the technical scheme of the utility model, according to the technical essence of the utility model to above example
Made by any simple modification, equivalent change and modification, be still within the scope of the technical solutions of the present invention.
Claims (6)
1. a kind of internal-cooling bit of drill fixture, including collet（2）, clamp body（3）, hose（6）, it is characterised in that：Clamp body
（3）Internal leading portion is respectively provided with collet with back segment（2）And plinth（5）, collet（2）Internal through-hole and connector
Seat（5）Through-hole be connected, plinth（5）Through-hole tail be connected with connector（7）, connector（7）The other end is connected with hose
（6）.
2. internal-cooling bit of drill fixture as described in claim 1, it is characterised in that：Collet（2）With plinth（5）Between set
It is equipped with gasket（4）.
3. internal-cooling bit of drill fixture as claimed in claim 2, it is characterised in that：Gasket（4）Centre be provided with endoporus, it is preceding
End is set as concave shaped end face, and periphery is set as cascaded surface, wherein gasket（4）The small outer circumference surface and plinth of rear end（5）
Head is interference fitted, gasket（4）Endoporus and plinth（5）Through-hole be connected.
4. internal-cooling bit of drill fixture as described in claim 1, it is characterised in that：Collet（2）Pass through the nut of outer end
（1）With clamp body（3）It is connected, and nut（1）Mounted in clamp body（3）On the external screw thread on head.
5. internal-cooling bit of drill fixture as described in claim 1, it is characterised in that：Plinth（5）Tail portion is provided with disk body, disk body
The through hole at middle part passes through screw thread and connector（7）Connection, plinth（5）The step surface at middle part is interference fitted in clamp body（3）It is interior.
6. internal-cooling bit of drill fixture as described in claim 1, it is characterised in that：Clamp body（3）By internal taper surface with
Collet（2）Male cone (strobilus masculinus) matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721626920.XU CN207709934U (en) | 2017-11-29 | 2017-11-29 | Internal-cooling bit of drill fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721626920.XU CN207709934U (en) | 2017-11-29 | 2017-11-29 | Internal-cooling bit of drill fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207709934U true CN207709934U (en) | 2018-08-10 |
Family
ID=63057626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721626920.XU Active CN207709934U (en) | 2017-11-29 | 2017-11-29 | Internal-cooling bit of drill fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207709934U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107803531A (en) * | 2017-11-29 | 2018-03-16 | 中国航空工业标准件制造有限责任公司 | Internal-cooling bit of drill fixture |
-
2017
- 2017-11-29 CN CN201721626920.XU patent/CN207709934U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107803531A (en) * | 2017-11-29 | 2018-03-16 | 中国航空工业标准件制造有限责任公司 | Internal-cooling bit of drill fixture |
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