CN107052426A - A kind of inner-cooled PCB milling cutters - Google Patents
A kind of inner-cooled PCB milling cutters Download PDFInfo
- Publication number
- CN107052426A CN107052426A CN201710398780.3A CN201710398780A CN107052426A CN 107052426 A CN107052426 A CN 107052426A CN 201710398780 A CN201710398780 A CN 201710398780A CN 107052426 A CN107052426 A CN 107052426A
- Authority
- CN
- China
- Prior art keywords
- sleeve pipe
- cutter head
- described sleeve
- cooling holes
- fix bar
- 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
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/26—Securing milling cutters to the driving spindle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/28—Features relating to lubricating or cooling
Abstract
The invention discloses a kind of inner-cooled PCB milling cutters, including cutter head, sleeve pipe, for closing the fixation termination of described sleeve pipe top end opening and fix bar for fixing the cutter head, described sleeve pipe inwall is evenly distributed with multiple strip grooves along described sleeve pipe length direction, the strip grooves close to the fixed termination one end open to described sleeve pipe top, closed close to one end of the cutter head, the cutter head includes connecting portion, blade part and interior Cooling Holes, the connecting portion side is provided with multiple projections, the described raised and strip groove location, quantity and size correspondence, the fix bar is cylinder, diameter is consistent with described sleeve pipe internal diameter, the fix bar is pipe, center is cooling duct, the fixed head top part is provided with through hole, the insertion bore dia is less than the internal diameter of the fix bar, the interior Cooling Holes upper end outlet is connected with the cooling duct, the interior Cooling Holes are inside the cutter head, the characteristics of present invention has Cooling Holes and replaceable bit.
Description
Technical field
The present invention relates to a kind of inner-cooled PCB milling cutters, belong to milling cutter technical field.
Background technology
PCB milling cutters are used in rear process, and main purpose is that the wiring board that will be made is cut using this cutter
It is a kind of rotary cutter with one or more cutters tooth into the final required product size of single client.Current milling cutter
Production technology is main or the processing of whole branch alloy raw material, in cutter wear or after fractureing, can only whole branch scrap or will mill
Damage cutter head and grind to form small size, this method scrappage is also higher, the performance after processing is general, life is also welded using extension bar type
The mode of production, makes cutter bar of milling cutter using other relatively inexpensive metals, cutter head is welded as a whole again with knife bar, this processing side
Method precision prescribed is higher, and because material is different, influence is used, and remainder is continuing with after also using excision wearing part
The method of position, it is this knife edge part to be caused long, the integral rigidity of milling cutter is influenceed, in the prior art, because knife bar compares
Long, each milling cutter sets Cooling Holes relatively time-consuming.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of inner-cooled with Cooling Holes and replaceable bit
PCB milling cutters.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of inner-cooled PCB milling cutters, including cutter head, sleeve pipe, the fixation termination for closing described sleeve pipe top end opening and use
In the fix bar of the fixed cutter head, described sleeve pipe both ends open, one end is connected with the cutter head, the other end and the fixing end
Head connection, described sleeve pipe inwall is evenly distributed with multiple strip grooves along described sleeve pipe length direction, and the strip grooves are close to described
The one end open of fixed termination is closed to described sleeve pipe top close to one end of the cutter head, and the cutter head includes connecting portion, knife
Blade and interior Cooling Holes, the connecting portion side are provided with multiple projections, it is described it is raised with the strip groove location, quantity and
Size correspondence, the fix bar is cylinder, and diameter is consistent with described sleeve pipe internal diameter, and the fix bar is located in described sleeve pipe,
Between the cutter head and the fixed termination, the fix bar is pipe, and center is cooling duct, the fixing end crown
Portion be provided with through hole, the insertion bore dia be less than the fix bar internal diameter, the interior Cooling Holes upper end outlet with it is described cold
But passage is connected, and the interior Cooling Holes are inside the cutter head.
The interior Cooling Holes are helicoidal structure, are evenly distributed on inside the cutter head, and outlet is located at the cutter head bottom.
The interior Cooling Holes are dispersed, positioned at the through hole of the bit tip center vertically downward therefrom partly into many
Individual symmetrical Cooling Holes, multiple cooling hole exits are located at the cutter head bottom.
Described sleeve pipe is provided with external screw thread close to the fixed head top part, and the fixed termination is provided with internal thread, the set
Pipe is connected with the fixed ends screw.
The fix bar side is provided with multiple raised lines along its length, the raised line and the strip groove location, quantity with
And size correspondence.
Described sleeve pipe inwall is provided with amortisseur bar.
Described sleeve pipe is made of wolfram steel.
The beneficial effect that the present invention is reached：Using sleeve pipe, cutter head, fix bar setting, shaft portion can be saved,
After abrasion, cutter head only need to be scrapped, using the raised setting with notch, the connection of cutter head and sleeve pipe can be made very firm,
It will not be slipped during use, using setting the setting that cooling duct is connected with the Cooling Holes of cutter head, Ke Yiqi in fix bar
To cooling cutter head effect, using the setting of spiral Cooling Holes, film-cooled heat can be increased, be effectively improved cooling effect and
The purpose uniformly cooled down is reached, using the setting of amortisseur bar, the stability of milling cutter can be improved, reduce vibrations.
Brief description of the drawings
Fig. 1 is sectional view of the present invention；
Fig. 2 is front view of the present invention；
Fig. 3 is the connection diagram of cutter head, fix bar and fixed termination；
Fig. 4 is sleeve pipe front view, sectional view and top view；
Fig. 5 is the cooling hole shape of embodiment 2.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating the present invention
Technical scheme, and can not be limited the scope of the invention with this.
Embodiment 1
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of inner-cooled PCB milling cutters, including cutter head 1, sleeve pipe 2, for closing described sleeve pipe 2
The fixation termination 3 of top end opening and the fix bar 4 for fixing the cutter head 1, the both ends open of described sleeve pipe 2, one end and institute
State cutter head 1 to connect, the other end is connected with the fixed termination 3, and the inwall of described sleeve pipe 2 uniformly divides along the length direction of described sleeve pipe 2
Be furnished with 4 strip grooves 21, the strip grooves 21 close to the fixed termination 3 one end open to the top of described sleeve pipe 2, close to institute
One end closing of cutter head 1 is stated, the cutter head 1 includes connecting portion 12, blade part 11 and interior Cooling Holes 131, the connecting portion 12
Side is described raised corresponding with the position of strip grooves 21 and size provided with 4 projections, and the fix bar 4 is cylinder, directly
Footpath is consistent with the internal diameter of described sleeve pipe 2, and the fix bar 4 is located in described sleeve pipe 2, in the cutter head 1 and the fixed termination 3
Between, the fix bar 4 is pipe, and center is cooling duct 22, and the fixed top of termination 3 is provided with through hole 31, described to pass through
The diameter of through hole 31 is less than the internal diameter of the fix bar 4, and the interior upper end outlet of Cooling Holes 131 is connected with the cooling duct 22,
The interior Cooling Holes 131 are inside the cutter head 1, and the interior Cooling Holes 131 are helicoidal structure, are evenly distributed on the knife
Inside first 1, outlet is located at the bottom of cutter head 1, and described sleeve pipe 2 is provided with external screw thread close to the fixed top of termination 3, described solid
Fixed end first 3 is provided with internal thread, and described sleeve pipe 2 is threadedly coupled with the fixed termination 3, and the side of fix bar 4 is along its length
Provided with 4 raised lines, the raised line is corresponding with the position of strip grooves 21 and size, and the inwall of described sleeve pipe 2 is provided with amortisseur bar
22, it can be made of rubber, plastics or alloy, described sleeve pipe 2 is made of wolfram steel.Application method is as follows：Turn on fixation
Behind termination 3, by the groove on the projection correspondence pipe sleeve 2 on cutter head 1 and fix bar 4, cutter head 1, fix bar 4 are put into pipe successively
In set 2, then fixed termination 3 is tightened, after the abrasion of cutter head 1 can not be used, be drawn off, change new cutter head, report
Useless is only merely cutter head point, has greatly saved resource, passes through the through hole on fixed termination 3, the cooling in the middle of fix bar 4
Passage can be connected with the interior Cooling Holes on cutter head 1, the circulation available for coolant.
Embodiment 2
Embodiment 2 is differed only in embodiment 1, and the interior Cooling Holes are dispersed, as shown in figure 5, positioned at the cutter head 1
Therefrom part is into multiple symmetrical Cooling Holes 132 for the through hole of top center vertically downward, the multiple outlet of Cooling Holes 132 positions
In the bottom of cutter head 1, this processing is more convenient, while can also reach the purpose uniformly cooled down.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and deformation can also be made, these improve and deformed
Also it should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of inner-cooled PCB milling cutters, it is characterized in that, including cutter head（1）, sleeve pipe（2）, for closing described sleeve pipe（2）Top
The fixation termination of opening（3）And for fixing the cutter head（1）Fix bar（4）, described sleeve pipe（2）Both ends open, one end
With the cutter head（1）Connection, the other end and the fixed termination（3）Connection, described sleeve pipe（2）Inwall is along described sleeve pipe（2）It is long
Degree direction is evenly distributed with multiple strip grooves（21）, the strip grooves（21）Close to the fixed termination（3）One end open extremely
Described sleeve pipe（2）Top, close to the cutter head（1）One end closing, the cutter head（1）Including connecting portion（12）, blade part
（11）And interior Cooling Holes, the connecting portion（12）Side is provided with multiple projections, the described raised and strip grooves（21）Position,
Quantity and size correspondence, the fix bar（4）For cylinder, diameter and described sleeve pipe（2）Internal diameter is consistent, the fix bar
（4）Positioned at described sleeve pipe（2）It is interior, in the cutter head（1）And the fixed termination（3）Between, the fix bar（4）For circle
Pipe, center is cooling duct（22）, the fixed termination（3）Top is provided with through hole（31）, the through hole（31）Diameter is small
In the fix bar（4）Internal diameter, the interior Cooling Holes upper end outlet and the cooling duct（22）Connection, the interior Cooling Holes
Through the cutter head（1）It is internal.
2. a kind of inner-cooled PCB milling cutters according to claim 1, it is characterized in that, the interior Cooling Holes are helicoidal structure,
It is evenly distributed on the cutter head（1）Inside, outlet is located at the cutter head（1）Bottom.
3. a kind of inner-cooled PCB milling cutters according to claim 1, it is characterized in that, the interior Cooling Holes are dispersed, are located at
The cutter head（1）The through hole of top center vertically downward is therefrom partly into multiple symmetrical Cooling Holes, multiple Cooling Holes
Outlet is located at the cutter head（1）Bottom.
4. a kind of inner-cooled PCB milling cutters according to claim 1, it is characterized in that, described sleeve pipe（2）Close to the fixing end
Head（3）Top is provided with external screw thread, the fixed termination（3）Provided with internal thread, described sleeve pipe（2）With the fixed termination（3）Spiral shell
Line is connected.
5. a kind of inner-cooled PCB milling cutters according to claim 1, it is characterized in that, the fix bar（4）Side edge length side
To provided with multiple raised lines, the raised line and the strip grooves（21）Position, quantity and size correspondence.
6. a kind of inner-cooled PCB milling cutters according to claim 1, it is characterized in that, described sleeve pipe（2）Inwall is provided with damping
Bar（22）.
7. a kind of inner-cooled PCB milling cutters according to claim 1, it is characterized in that, described sleeve pipe（2）It is made of wolfram steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710398780.3A CN107052426A (en) | 2017-05-31 | 2017-05-31 | A kind of inner-cooled PCB milling cutters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710398780.3A CN107052426A (en) | 2017-05-31 | 2017-05-31 | A kind of inner-cooled PCB milling cutters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107052426A true CN107052426A (en) | 2017-08-18 |
Family
ID=59615353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710398780.3A Pending CN107052426A (en) | 2017-05-31 | 2017-05-31 | A kind of inner-cooled PCB milling cutters |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107052426A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1199358A (en) * | 1995-10-12 | 1998-11-18 | 罗伯特-博希股份公司 | Insertable tool and tool holder for drilling and/or impacting electric machine |
| US20030002935A1 (en) * | 2001-06-28 | 2003-01-02 | Camozzi Holding S.P.A. | Tool provided high-efficiency cooling ducts |
| CN102378662A (en) * | 2009-03-10 | 2012-03-14 | 钴碳化钨硬质合金公司 | Cutting tool for a machine tool |
| CN204148601U (en) * | 2014-08-20 | 2015-02-11 | 常州聚美精密工具有限公司 | A kind of Double-edged milling cutter |
| CN104551178A (en) * | 2014-12-30 | 2015-04-29 | 苏州欧美克合金工具有限公司 | Internally-cooled three-edge milling cutter |
| CN105149669A (en) * | 2015-10-09 | 2015-12-16 | 安徽合力股份有限公司合肥铸锻厂 | Combined milling tool array for horizontal boring machine |
| CN205200648U (en) * | 2015-12-01 | 2016-05-04 | 厦门沃能科技有限公司 | Milling cutter |
| CN207521782U (en) * | 2017-05-31 | 2018-06-22 | 江苏芯力特电子科技有限公司 | A kind of inner-cooled PCB milling cutters |
-
2017
- 2017-05-31 CN CN201710398780.3A patent/CN107052426A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1199358A (en) * | 1995-10-12 | 1998-11-18 | 罗伯特-博希股份公司 | Insertable tool and tool holder for drilling and/or impacting electric machine |
| US20030002935A1 (en) * | 2001-06-28 | 2003-01-02 | Camozzi Holding S.P.A. | Tool provided high-efficiency cooling ducts |
| CN102378662A (en) * | 2009-03-10 | 2012-03-14 | 钴碳化钨硬质合金公司 | Cutting tool for a machine tool |
| CN204148601U (en) * | 2014-08-20 | 2015-02-11 | 常州聚美精密工具有限公司 | A kind of Double-edged milling cutter |
| CN104551178A (en) * | 2014-12-30 | 2015-04-29 | 苏州欧美克合金工具有限公司 | Internally-cooled three-edge milling cutter |
| CN105149669A (en) * | 2015-10-09 | 2015-12-16 | 安徽合力股份有限公司合肥铸锻厂 | Combined milling tool array for horizontal boring machine |
| CN205200648U (en) * | 2015-12-01 | 2016-05-04 | 厦门沃能科技有限公司 | Milling cutter |
| CN207521782U (en) * | 2017-05-31 | 2018-06-22 | 江苏芯力特电子科技有限公司 | A kind of inner-cooled PCB milling cutters |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170818 |