CN104259528B - General car and its cutter - Google Patents
General car and its cutter Download PDFInfo
- Publication number
- CN104259528B CN104259528B CN201410425520.7A CN201410425520A CN104259528B CN 104259528 B CN104259528 B CN 104259528B CN 201410425520 A CN201410425520 A CN 201410425520A CN 104259528 B CN104259528 B CN 104259528B
- Authority
- CN
- China
- Prior art keywords
- drill bit
- knife
- handle
- cutter
- afterbody
- 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.)
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Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B43/00—Boring or drilling devices able to be attached to a machine tool, whether or not replacing an operative portion of the machine tool
- B23B43/02—Boring or drilling devices able to be attached to a machine tool, whether or not replacing an operative portion of the machine tool to the tailstock of a lathe
Abstract
This application discloses a kind of cutter of general car includes that handle of a knife and afterbody are installed on the drill bit on handle of a knife, drill bit internal is provided with the oilhole for extending to drill bit head and being in communication with the outside, and the coolant conveying cavity for connecting with oilhole and coolant conveying cavity is provided with inside handle of a knife.As drill bit internal is provided with the oilhole for extending to drill bit head and being in communication with the outside, and the coolant conveying cavity of connection oilhole and coolant conveying cavity is offered on handle of a knife, the situation of coolant is conveyed during realizing general car work to bit cutting area, realize bit cutting area sufficiently cool, it is to avoid the too high abrasion of bit cutting area temperature, the situation of deformation.Therefore, the application provides the service life prolongation of the drill bit of cutter.Disclosed herein as well is a kind of general car including above-mentioned cutter.
Description
Technical field
The present invention relates to lathe cutting techniques field, more particularly to a kind of cutter of general car.The invention further relates to a kind of bag
Include the general car of above-mentioned cutter.
Background technology
Engine lathe be can the polytype workpiece such as countershaft, disk, ring carry out the horizontal lathe of working procedures processing, referred to as
For general car.As titanium alloy has the characteristics such as proportion is little, intensity is high, corrosion-resistant and high temperature resistant, be widely used in space flight, aviation,
The field such as shipbuilding and chemical industry.Titanium alloy is mainly processed by general car.
Traditional general car includes cutter, tail stock, cooling system, wherein cooling system include coolant storage box and with
The coolant conveying cavity of coolant containing cavity connection, cutter include that handle of a knife and afterbody are installed on the drill bit on handle of a knife, handle of a knife afterbody peace
Loaded on tail stock.During general car work, workpiece rotation, coolant are sprayed on drill bit outer surface by coolant conveying cavity, are bored
Head processing workpiece.
However, due to titanium alloy, cutting lay deforms that little, cutting temperature is high, flow harden is serious in process, and cold
But liquid is only sprayed on drill bit outer surface, and operationally, internal temperature is higher and is unable to quick heat radiating for drill bit, causes drill bit to make
With during, easily wear and tear, the service life of drill bit is shorter, and the using effect of drill bit is poor.
Therefore, how to extend the service life of drill bit, be those skilled in the art's technical problem urgently to be resolved hurrily.
The content of the invention
It is an object of the invention to provide a kind of cutter of general car, the drilling life of bit prolongation of the cutter.The present invention's is another
One purpose is to provide a kind of general car including above-mentioned cutter.
For achieving the above object, the present invention provides a kind of cutter of general car, including handle of a knife and afterbody are installed on the handle of a knife
On drill bit, the drill bit internal is provided with the oilhole for extending to drill bit head and being in communication with the outside, and the inside of the handle of a knife is provided with
For the coolant conveying cavity connected with the oilhole and coolant conveying cavity.
Preferably, the drill bit has two oilholes.
Preferably, also include the locking cap being connected with the handle of a knife head threads, the locking cap is provided with mounting hole, institute
State drill bit and be provided with and can coordinate with the mounting hole and can be raised with the clamping of the mounting hole afterbody side clamping, it is described
Clamping is raised to be located at the drill bit head and drill bit afterbody junction.
Preferably, the drill bit includes the drill bit rotation section between the drill bit head and clamping projection, institute
State drill bit rotation section and be provided with the flat groove of tail, along the length of the length of the flat groove of tail described in the drill axis direction and the mounting hole
Equal, the drill bit head can be with the mounting hole head side clamping.
Preferably, width of the rotating diameter of the drill bit rotation section less than the mounting hole.
Preferably, the locking cap outer surface is octagon.
Preferably, the drill bit afterbody is vertebral body structure, and the taper of the drill bit afterbody is 1:50, outside the drill bit afterbody
Surface is tightly connected with coolant conveying cavity.
Preferably, the tail end of the drill bit is provided with chamfering.
Preferably, the handle of a knife is connected with the coolant conveying cavity by spigot joint.
A kind of general car, including tail stock and the cutter being installed on the tail stock, the cutter are any of the above-described
Cutter described in.
In above-mentioned technical proposal, the cutter of the general car that the present invention is provided includes that handle of a knife and afterbody are installed on the brill on handle of a knife
Head, drill bit internal are provided with the oilhole for extending to drill bit head and being in communication with the outside, be provided with inside handle of a knife for oilhole and cooling
The coolant conveying cavity of fluid catheter connection.Operationally, coolant is delivered to coolant cavity through coolant conveying cavity to general car,
Then to oilhole, last coolant flows out drill bit to coolant flow, realizes the cooling during bit operation.
By foregoing description, in the cutter of the general car that the present invention is provided, brill is extended to as drill bit internal is provided with
Head portion and the oilhole being in communication with the outside, and the coolant conveyor chamber of connection oilhole and coolant conveying cavity is offered on handle of a knife
Body, conveys the situation of coolant to bit cutting area during realizing general car work, realize inside bit cutting area fully
Cooling, it is to avoid the too high abrasion of bit cutting area internal temperature, the situation of deformation.Therefore, the application provides making for the drill bit of cutter
Use life.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can be with basis
The accompanying drawing of offer obtains other accompanying drawings.
The cutter structure schematic diagram that Fig. 1 is provided by the embodiment of the present invention;
Fig. 2 is to be initially inserted into handle of a knife positional structure schematic diagram along A-A directions drill bit shown in Fig. 1;
Fig. 3 is the structural representation shown in Fig. 1 along A-A directions drill bit locking state;
Fig. 4 is structural representation of the cutter along B-B directions shown in Fig. 1;
The structural representation of the drill bit head that Fig. 5 is provided by the embodiment of the present invention;
The all directions spanner structure schematic diagram that Fig. 6 is provided by the embodiment of the present invention;
The structural representation of the drill bit that Fig. 7 is provided by the embodiment of the present invention;
Fig. 8 is structural representation of the drill bit along C-C directions shown in Fig. 7;
The part-structure schematic diagram of the drill bit afterbody that Fig. 9 is provided by the embodiment of the present invention;
The structural representation of the handle of a knife that Figure 10 is provided by the embodiment of the present invention;
Figure 11 is structural representation of the handle of a knife along D-D directions shown in Figure 10;
The structural representation of the locking cap that Figure 12 is provided by the embodiment of the present invention;
Side views of the Figure 13 for locking cap shown in Figure 12.
In wherein Fig. 1-13:1- drill bits, 11- clampings projection, the flat groove of 12- tails, 13- drill bit heads, 14- drill bit afterbodies, 2-
Handle of a knife, 21- coolants conveying cavity, 3- locking caps, 31- mounting holes, 4- coolant conveying cavities, 5- are spigot joint, 6- all directions spanner.
Specific embodiment
The core of the present invention is to provide a kind of cutter of general car, and the drilling life of bit of the cutter extends.The present invention's is another
One core is to provide a kind of general car including above-mentioned cutter.
In order that those skilled in the art more fully understands technical scheme, below in conjunction with the accompanying drawings and embodiment party
The present invention is described in further detail for formula.
Fig. 1 to Figure 13 is refer to, in a kind of specific embodiment, the cutter of the general car that the present invention is provided includes handle of a knife 2
And afterbody is installed on the drill bit 1 on handle of a knife 2, and the oilhole for extending to drill bit head 13 and being in communication with the outside, knife are provided with inside drill bit 1
The coolant conveying cavity 21 for connecting with oilhole and coolant conveying cavity 4 is provided with inside handle 2.It is cold in time for the ease of drill bit 1
But, preferably, drill bit 1 has two oilholes to the application.Specifically, drill bit 1 can be processed by Kenna double helix oil hole rod.Its
In, the structure of drill bit 1 can be designed according to the helical angle size of double oilhole bar oilholes and oilhole pitch-row, and the application does not do
It is concrete to limit.
In general car installation process, first handle of a knife 2 is installed on tail stock, then drill bit 1 is tightly connected with handle of a knife 2.
Operationally, coolant is delivered to coolant cavity through coolant conveying cavity 4 to general car, and then coolant flow is to oilhole, finally
Coolant flows out drill bit 1, realizes the cooling in 1 course of work of drill bit.
By foregoing description, in the cutter of the general car that the present invention is provided, brill is extended to due to being provided with inside drill bit 1
Head portion 13 and the oilhole being in communication with the outside, and the coolant conveying of connection oilhole and coolant conveying cavity 4 is offered on handle of a knife 2
Cavity 21, conveys the situation of coolant, realizes 1 cutting region of drill bit and fill to 1 cutting region of drill bit during realizing general car work
Divide cooling, it is to avoid the too high abrasion of 1 cutting region temperature of drill bit, the situation of deformation.Therefore, the application provides making for the drill bit 1 of cutter
Use life.
Further, as shown in figure 1, the cutter also includes the locking cap 3 being connected with 2 head threads of handle of a knife, set on locking cap 3
There is a mounting hole 31, drill bit 1 is provided with and can be coordinated with mounting hole 31 and can be convex with the clamping of 31 afterbody side clamping of mounting hole
11 are played, specifically, clamping projection 11 can be coordinated with mounting hole interference fit, interference fits or gap, convex for the ease of clamping
Play 11 and pass through mounting hole 31 in time, preferably, mounting hole 31 is coordinated with 11 gaps of clamping projection the application, wherein 31 afterbody of mounting hole
It is that, near 2 one end of handle of a knife, clamping raised 11 is located at drill bit head 13 and 14 junction of drill bit afterbody.Twist for the ease of staff
Dynamic locking cap 3, preferably, 3 outer surface of locking cap is octagon to the application.Handle of a knife 2 is filled first by staff when cutter is installed
Enter in tail stock, locking cap 3 screwed in into 2 head certain length of handle of a knife then, specifically, locking cap 3 be female thread structure, knife
Negative winding stem is external thread structure, drill bit afterbody 14 is inserted 31 rear portion of mounting hole of locking cap 3, drill bit 1 is rotated by 90 °, you can
Drill bit 1 is snapped in locking cap 3, then proceedes to rotate forward locking cap 3, drive coolant conveying cavity of the drill bit 1 to handle of a knife 2
Move in 21, until 14 outer surface of drill bit afterbody is contacted with coolant conveying 21 inwall of cavity, staff can pass through special
All directions spanner 6 is inserted on locking cap 3 locks drill bit 1, finally accesses coolant conveying cavity 4, and cutter can be used.By locking cap 3
Drive drill bit 1 to move right to locking, reversely rotate locking cap 3 and can loosen drill bit 1, then drill bit 1 is rotated by 90 °, you can side
Just den bohrkopf abbauen 1.
Further, drill bit includes the drill bit rotation section between drill bit head 13 and clamping projection 11, drill bit rotation section
The flat groove 12 of tail is provided with, along the equal length of length and the mounting hole 31 of the flat groove of 1 axis direction tail of drill bit 12,13 energy of drill bit head
Enough and 31 head side clamping of mounting hole.Specifically, the flat groove of the tail of drill bit 1 12 is designed as arc diameterThe length of sideIt is being designed to this side vertical direction at tail end 3mmSide, by figure apparent direction fall two it is diagonal intoQuarter circular arc, facilitates drill bit 1 to rotate by designing circular arc, drill bit 1 is snapped in locking cap 3, by 3 band of locking cap
Dynamic drill bit 1 is moved.After drill bit 1 weares and teares, then loosen drill bit 1, Ran Hougong by locking cap 3 being reversely rotated with all directions special spanner
Make one hands of personnel and hold locking cap 3, drill bit 1 is reversely rotated by 90 ° by another handss, you can den bohrkopf abbauen 1.The design is using brill
The flat groove of 1 bidirectional locking, i.e. tail 12 is snapped in locking cap 3, when locking cap 3 is screwed itself, you can locking drill bit 1, drill bit 1 is in dress
It is quick and convenient when folder, dismounting.The application is snapped in locking cap 3 using the flat groove of tail 12 of drill bit 1, and mounting hole 31 is easy to drill bit afterbody
14 can snap in coolant conveying cavity 21, and drive drill bit 1 to move, and realize the smooth installation of drill bit 1 and handle of a knife 2.In order to
It is easy to staff's rotary drilling-head, preferably, the rotating diameter of drill bit rotation section is less than the width of mounting hole 31 to the application.
In order to realize the sealing of drill bit afterbody 14 and handle of a knife 2, drill bit afterbody 14 is vertebral body structure, the taper of drill bit afterbody 14
For 1:50, i.e. drill handle part taper are 1:50, drill handle part diameter is gradually reduced to 1 tail end of drill bit, 14 outer surface of drill bit afterbody
It is tightly connected with coolant conveying cavity 21.1 bulk handling of drill bit is quick and convenient, clamps firm.Also, drill bit 1 is adopted with handle of a knife 2
With 1:50 taper sealing reliability, solve engine lathe use drill bit cannot oil inside offering technical barrier, then proceed to positive rotation
Turn locking cap 3 to drive drill bit 1 is 1 to the taper of handle of a knife 2:50 coolants conveying cavity 21 is moved, until contact, uses special all directions
Spanner 6 is inserted on locking cap 3 locks drill bit 1, realizes that 1 afterbody of drill bit conveys 21 palette of cavity with coolant.When drill bit 1
Afterbody 1:50 tapers and the 1 of handle of a knife 2:50 inner cones, and when fitted with coolant conveying cavity 21 completely, bored drill bit 1 by micro-
Lock again.Wherein, 1:50 tapers determine that according to two oily distance between borehole of double oilhole alloy bar materials drill bit afterbody 14 is designed
1:50 tapers, for fine positioning drill bit 1, keep concentric with 2 Morse's taper of handle of a knife after being allowed to load, while 1:50 micro- cones are realized
Drill bit 1 and handle of a knife 2 are locked and seal to drill bit 1 with handle of a knife 2, cooling liquid energy is discharged from the oilhole of drill bit 1, reach cool down and from
Purpose iron filings taken out of in helicla flute.Wherein, 1 in handle of a knife 2:50 outside diameter d must be controlled in lower difference, to ensure drill bit 1
There is locking space enough with handle of a knife 2;1 in handle of a knife 2:50 internal taper holes are controlled in the concentricity of the Morse taper shank outer surface of handle of a knife 2
Within 0.01, normally can use after ensureing 1 installation of drill bit.The application is by drill bit 1 and the 1 of handle of a knife 2:50 micro- cones are fixed
Position so that the cylindrical concentricity with 2 Morse's taper of handle of a knife of drill bit 1 realizes the sealing of drill bit 1 and handle of a knife 2 up to 0.04.The design is adopted
With 1:50 micro- cone sealings, make coolant spray from the oilhole of drill bit 1 so that drill bit 1 and handle of a knife 2 realize locking, position, close
Envelope.
Preferably, the tail end of drill bit 1 is provided with chamfering.By arranging chamfering in 1 tail end of drill bit, it is to avoid staff is installing
During drill bit 1,1 tail end outer edge of drill bit touches the situation of handle of a knife 2, further extends the service life of drill bit 1.
Coolant conveying cavity 4 is installed on handle of a knife 2 for the ease of staff, preferably, handle of a knife 2 passes through spigot joint 5 to the application
It is connected with coolant conveying cavity 4.
A kind of general car that the present invention is provided includes tail stock and the cutter being installed on tail stock, and wherein cutter is upper
The cutter described in any one is stated, other devices are prior art, are repeated no more herein.
In this specification, each embodiment is described by the way of progressive, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope for causing.
Claims (7)
1. a kind of cutter of general car, including handle of a knife (2) and afterbody be installed on the drill bit (1) on the handle of a knife (2), its feature exists
In the drill bit (1) is internal to be provided with the oilhole for extending to drill bit head (13) and being in communication with the outside, the inside of the handle of a knife (2)
It is provided with coolant conveying cavity (21) for connecting with the oilhole and coolant conveying cavity (4);
Also include the locking cap (3) being connected with the handle of a knife (2) head threads, the locking cap (3) is provided with mounting hole (31),
The drill bit (1) be provided with can with the mounting hole (31) coordinate and can be with the mounting hole (31) afterbody side clamping
Clamping projection (11), clamping projection (11) is positioned at the drill bit head (13) and drill bit afterbody (14) junction;
The drill bit (1) includes the drill bit rotation section between the drill bit head (13) and clamping projection (11), institute
State drill bit rotation section and be provided with the flat groove of tail (12), along the length of the flat groove of tail (12) described in the drill bit (1) axis direction with it is described
The equal length of mounting hole (31), the drill bit head (13) can be with the mounting hole (31) head side clampings;
The drill bit afterbody (14) is vertebral body structure, and the taper of the drill bit afterbody (14) is 1:50, the drill bit afterbody (14)
Outer surface is tightly connected with coolant conveying cavity (21).
2. cutter according to claim 1, it is characterised in that the drill bit (1) is with two oilholes.
3. cutter according to claim 1, it is characterised in that the rotating diameter of the drill bit rotation section is less than the kidney-shaped
The width in hole (31).
4. cutter according to claim 1, it is characterised in that locking cap (3) outer surface is octagon.
5. cutter according to claim 1, it is characterised in that the tail end of the drill bit (1) is provided with chamfering.
6. the cutter according to any one of claim 1-5, it is characterised in that the handle of a knife (2) is by spigot joint (5) and institute
State coolant conveying cavity (4) connection.
7. a kind of general car, including tail stock and the cutter being installed on the tail stock, it is characterised in that the cutter is
Cutter any one of claim 1-6.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410425520.7A CN104259528B (en) | 2014-08-26 | 2014-08-26 | General car and its cutter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410425520.7A CN104259528B (en) | 2014-08-26 | 2014-08-26 | General car and its cutter |
Publications (2)
Publication Number | Publication Date |
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CN104259528A CN104259528A (en) | 2015-01-07 |
CN104259528B true CN104259528B (en) | 2017-04-05 |
Family
ID=52151173
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201410425520.7A Active CN104259528B (en) | 2014-08-26 | 2014-08-26 | General car and its cutter |
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CN (1) | CN104259528B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105215435A (en) * | 2015-10-15 | 2016-01-06 | 桐城市丽琼金属制品有限公司 | A kind of drill bit possessing cooling system |
CN107900905A (en) * | 2017-12-11 | 2018-04-13 | 四川银钢通凸轮轴有限公司 | A kind of grinding machine and its boring cutter rack device |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1760310A (en) * | 1927-06-22 | 1930-05-27 | Sullivan Machinery Co | Rock drill |
US2985468A (en) * | 1958-04-21 | 1961-05-23 | Perfecting Service Company | Rotary fluid connection with side delivery |
JP3258626B2 (en) * | 1997-07-29 | 2002-02-18 | 株式会社エムエスティコーポレーション | Tool holder |
JP3924365B2 (en) * | 1997-11-28 | 2007-06-06 | ユニカ株式会社 | Dust absorption adapter |
US8777529B2 (en) * | 2010-10-15 | 2014-07-15 | Creare Incorporated | Mechanism for delivering cryogenic coolant to a rotating tool |
CN201913289U (en) * | 2010-11-15 | 2011-08-03 | 施中秋 | Drill |
CN203542224U (en) * | 2013-09-29 | 2014-04-16 | 东莞市安默琳节能环保技术有限公司 | Outer cooling-to-inner cooling cutter handle device and cutting device |
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2014
- 2014-08-26 CN CN201410425520.7A patent/CN104259528B/en active Active
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Address after: 611130 Changan Road, Liucheng, Wenjiang District, Chengdu, Sichuan Province, No. 198 Patentee after: Sichuan Aerospace beacon Servo Control Technology Co., Ltd. Address before: 611100 Liucheng Road, Wenjiang, Sichuan, No. Changan Road, No. 198 Patentee before: Fenghuo Machine Works of China Aerospace Science and Technology Corporation |