CN102059581B - Numerical control drill head cooling device and method - Google Patents
Numerical control drill head cooling device and method Download PDFInfo
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- CN102059581B CN102059581B CN2010105551977A CN201010555197A CN102059581B CN 102059581 B CN102059581 B CN 102059581B CN 2010105551977 A CN2010105551977 A CN 2010105551977A CN 201010555197 A CN201010555197 A CN 201010555197A CN 102059581 B CN102059581 B CN 102059581B
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- control drill
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Abstract
The embodiment of the invention provides a numerical control drill head cooling device. A numerical control drill head is provided with a dust absorbing pipe, the dust absorbing pipe is formed with a negative pressure region during working, the dust absorbing pipe comprises a plurality of liquid nitrogen pipes which are evenly distributed on the same periphery, the distances between a plurality of spray heads of the liquid nitrogen pipes and the numerical control drill head are all equal, and the spraying pressure of each liquid nitrogen pipe is larger than the suction of the negative pressure region. In the embodiment of the invention, a ring form is formed by setting the negative pressure region which can absorb the dust around the drill head, the liquid nitrogen spraying pipes are arranged around the circle, the liquid nitrogen is sprayed to the negative pressure region in which the drill head is arranged at the same time, and a part of the liquid nitrogen can be remained on the surface of a plate and the upper surface of the drill head as long as the liquid nitrogen spraying force is larger than the dust absorbing force to be capable of cooling the drill head instantaneously. Due to the structure, the dust generated by working can not be flied caused by uneven force application. The embodiment of the invention further discloses a numerical control drill head cooling method.
Description
Technical field
The present invention relates to the PCB apparatus field, more particularly, relate to a kind of cooling device and method of numerical control drill
Background technology
PCB (Printed Circuit Board, printed circuit board) is the supporter of electronic devices and components at present, is the supplier that electronic devices and components are electrically connected.PCB adopts numerically controlled drill when punching, numerically controlled drill is when boring, and drill bit rotates at a high speed; With the circuit board friction, drill bit and circuit board can heat up moment, and temperature is very high; Some special circuit board can not bear so high temperature, thus drill bit and circuit board must cool off with liquid nitrogen, but more fatal a bit; Drill bit ledge just below the presser feet seat is the dust suction district, forms very high negative pressure; When liquid nitrogen is sprayed onto drill bit and circuit board, can strong negative pressure siphon away, do not reach the effect of cooling.
Be badly in need of a kind of cooling device and method now, this refrigerating plant can be good at solving the refrigeration problem of numerically controlled drill.
Summary of the invention
In view of this, the present invention provides a kind of numerical control drill cooling device and method, to solve the numerically controlled drill method of cooling smoothly.
For realizing above-mentioned purpose, the present invention provides following technical scheme:
A kind of numerical control drill cooling device; Said numerical control drill is provided with sweep-up pipe, forms negative pressuren zone when said sweep-up pipe is worked, and comprises a plurality of liquid nitrogen pipes that are evenly distributed on the same circumference; And the shower nozzle of a plurality of liquid nitrogen pipes is identical with the distance of said numerical control drill; The expulsion pressure of said liquid nitrogen pipe is greater than the suction of negative pressuren zone, and the horizontal direction of the expulsion pressure of a plurality of liquid nitrogen pipes to make a concerted effort be zero, the expulsion pressure of vertical direction is greater than the suction of negative pressuren zone.
Preferably, in above-mentioned numerical control drill cooling device, said liquid nitrogen pipe number is 6, and each liquid nitrogen angle that pipe is is 60 °.
Preferably, in above-mentioned numerical control drill cooling device, the angular range of said liquid nitrogen pipe inspection direction and horizontal direction is: 40-50 °.
Preferably, in above-mentioned numerical control drill cooling device, the angle of said liquid nitrogen pipe inspection direction and horizontal direction is: 38 °.
The embodiment of the invention also provides a kind of cooling means of numerical control drill; Said numerical control drill is provided with sweep-up pipe; Form negative pressuren zone when said sweep-up pipe is worked, making a concerted effort of the horizontal direction of a plurality of liquid nitrogen pipe inspection pressure is zero, and the expulsion pressure of vertical direction is greater than the suction of negative pressuren zone.
Preferably, in the cooling means of above-mentioned numerical control drill, said a plurality of liquid nitrogen pipes are evenly distributed on the liquid nitrogen pipe on the same circumference, and the shower nozzle of a plurality of liquid nitrogen pipes is identical with the distance of said numerical control drill.
Preferably, in the cooling means of above-mentioned numerical control drill, said liquid nitrogen pipe number is 6, and each liquid nitrogen angle that pipe is is 60 °.
Preferably, in the cooling means of above-mentioned numerical control drill, the angular range of said liquid nitrogen pipe inspection direction and horizontal direction is: 40-50 °.
Preferably, in the cooling means of above-mentioned numerical control drill, the angle of said liquid nitrogen pipe inspection direction and horizontal direction is: 38 °.
Can find out from technique scheme; Pass through around drill bit, to be provided with negative pressuren zone in the embodiment of the invention around dust suction; Form an annular, the jet pipe of a plurality of liquid nitrogens is set around circle, at one time drill bit place negative pressuren zone is sprayed liquid nitrogen; As long as this power of spraying liquid nitrogen just can a part of liquid nitrogen remains in the plate face and above the drill bit, moment cools off drill bit greater than the suction of dust suction.Owing to adopt the dust that produces in this arrangement works process can not produce the flying dust phenomenon because of unbalance stress.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the numerical control drill cooling device that provides in the embodiment of the invention;
The numerical control drill cooling device principle schematic of Fig. 2 for providing in the embodiment of the invention.
The specific embodiment
PCB adopts numerically controlled drill when punching, numerically controlled drill is when boring, and drill bit rotates at a high speed; With the circuit board friction, drill bit and circuit board can heat up moment, and temperature is very high; Some special circuit board can not bear so high temperature, thus drill bit and circuit board must cool off with liquid nitrogen, but more fatal a bit; Drill bit ledge just below the presser feet seat is the dust suction district, forms very high negative pressure; When liquid nitrogen is sprayed onto drill bit and circuit board, can strong negative pressure siphon away, do not reach the effect of cooling.
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
The embodiment of the invention discloses a kind of numerical control drill cooling device, please with reference to Fig. 1, wherein, 1 is main shaft; 2 is the presser feet seat; 3 presser feet seat sole pieces; 4 is the liquid nitrogen tracheae; 5 is numerical control drill; 6 is the sweep-up pipe installing port; 7 are: pcb board; 8 is dust.Numerical control drill 5 is installed on the numerically controlled drill through main shaft 1, also is provided with presser feet seat 2 and presser feet seat sole piece 3 around it, and numerical control drill 5 tops are provided with sweep-up pipe installing port 6; Be used to install sweep-up pipe; In when work the dust under the bit drills is sucked sweep-up pipe is installed, so will form negative pressuren zone around the drill bit, when the expulsion pressure of liquid nitrogen tracheae 4 less than the suction pressure of negative pressuren zone is; Liquid nitrogen will be inhaled in the sweep-up pipe, and does not have the purpose of cooling numerical control drill 5.In order to address this problem, this numerical control drill cooling device comprise a plurality of liquid nitrogen pipes 4 that are evenly distributed on the same circumference, and the shower nozzle of a plurality of liquid nitrogen pipes 4 is identical with the distance of numerical control drill 5, and the expulsion pressure of liquid nitrogen pipe is greater than the suction of negative pressuren zone.
Liquid nitrogen pipe number is 6 in the embodiment of the invention, and each liquid nitrogen angle that pipe is is 60 °.Please with reference to Fig. 2; Negative pressuren zone around dust suction; Form an annular, around circle, do the jet pipe of 6 liquid nitrogens, at one time drill bit place negative pressuren zone is sprayed liquid nitrogen; As long as this power F that sprays liquid nitrogen just can a part of liquid nitrogen remains in the plate face and above the drill bit, moment cools off drill bit greater than the suction f of dust suction.
Control for the angle that guarantees cooling effect liquid nitrogen pipe 4 and horizontal direction, the injection direction of liquid nitrogen pipe 4 and the angular range of horizontal direction are usually: 40-50 °.Optimum, the angle of penetrating direction and horizontal direction of liquid nitrogen pipe spray 4 is: 38 °.
Pass through around drill bit, to be provided with negative pressuren zone in the embodiment of the invention around dust suction; Form an annular; The jet pipe of a plurality of liquid nitrogens is set around circle; At one time drill bit place negative pressuren zone is sprayed liquid nitrogen, as long as this power of spraying liquid nitrogen just can a part of liquid nitrogen remains in the plate face and above the drill bit, moment cools off drill bit greater than the suction of dust suction.Owing to adopt the dust that produces in this arrangement works process can not produce the flying dust phenomenon because of unbalance stress.
The embodiment of the invention also provides a kind of cooling means of numerical control drill, and making a concerted effort of the horizontal direction of a plurality of in the method liquid nitrogen pipe inspection pressure is zero, and the expulsion pressure of vertical direction is greater than the suction of negative pressuren zone.
Wherein, its implementation is that a plurality of liquid nitrogen pipes are evenly distributed on the liquid nitrogen pipe on the same circumference, and the shower nozzle of a plurality of liquid nitrogen pipes is identical with the distance of said numerical control drill.
Liquid nitrogen pipe number is 6 in the embodiment of the invention, and each liquid nitrogen angle that pipe is is 60 °.Please with reference to Fig. 2; Negative pressuren zone around dust suction; Form an annular, around circle, do the jet pipe 4 of 6 liquid nitrogens, at one time drill bit place negative pressuren zone is sprayed liquid nitrogen; As long as this power F that sprays liquid nitrogen just can a part of liquid nitrogen remains in the plate face and above the drill bit, moment cools off drill bit greater than the suction f of dust suction.
Control for the angle that guarantees cooling effect liquid nitrogen pipe 4 and horizontal direction, the injection direction of liquid nitrogen pipe 6 and the angular range of horizontal direction are usually: 40-50 °.Optimum, the angle of penetrating direction and horizontal direction of liquid nitrogen pipe spray 6 is: 38 °.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.For the disclosed device of embodiment, because it is corresponding with the embodiment disclosed method, so description is fairly simple, relevant part is partly explained referring to method and is got final product.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (9)
1. numerical control drill cooling device, said numerical control drill is provided with sweep-up pipe, forms negative pressuren zone during said sweep-up pipe work; It is characterized in that; Comprise a plurality of liquid nitrogen pipes that are evenly distributed on the same circumference, and the shower nozzle of a plurality of liquid nitrogen pipes is identical with the distance of said numerical control drill, the expulsion pressure of said liquid nitrogen pipe is greater than the suction of negative pressuren zone; And making a concerted effort of the horizontal direction of the expulsion pressure of a plurality of liquid nitrogen pipes is zero, and the expulsion pressure of vertical direction is greater than the suction of negative pressuren zone.
2. numerical control drill cooling device according to claim 1 is characterized in that, said liquid nitrogen pipe number is 6, and each liquid nitrogen angle that pipe is is 60 °.
3. numerical control drill cooling device according to claim 2 is characterized in that, the angular range of said liquid nitrogen pipe inspection direction and horizontal direction is: 40-50 °.
4. numerical control drill cooling device according to claim 2 is characterized in that, the angle of said liquid nitrogen pipe inspection direction and horizontal direction is: 38 °.
5. the cooling means of a numerical control drill; Said numerical control drill is provided with sweep-up pipe, forms negative pressuren zone when said sweep-up pipe is worked, and it is characterized in that; Making a concerted effort of the horizontal direction of the expulsion pressure of a plurality of liquid nitrogen pipes is zero, and the expulsion pressure of vertical direction is greater than the suction of negative pressuren zone.
6. the cooling means of numerical control drill according to claim 5 is characterized in that, said a plurality of liquid nitrogen pipes are evenly distributed on the liquid nitrogen pipe on the same circumference, and the shower nozzle of a plurality of liquid nitrogen pipes is identical with the distance of said numerical control drill.
7. the cooling means of numerical control drill according to claim 6 is characterized in that, said liquid nitrogen pipe number is 6, and each liquid nitrogen angle that pipe is is 60 °.
8. the cooling means of numerical control drill according to claim 7 is characterized in that, the angular range of said liquid nitrogen pipe inspection direction and horizontal direction is: 40-50 °.
9. the cooling means of numerical control drill according to claim 7 is characterized in that, the angle of said liquid nitrogen pipe inspection direction and horizontal direction is: 38 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010105551977A CN102059581B (en) | 2010-11-23 | 2010-11-23 | Numerical control drill head cooling device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105551977A CN102059581B (en) | 2010-11-23 | 2010-11-23 | Numerical control drill head cooling device and method |
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| CN102059581A CN102059581A (en) | 2011-05-18 |
| CN102059581B true CN102059581B (en) | 2012-11-28 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102581692A (en) * | 2012-03-19 | 2012-07-18 | 常熟晶玻光学科技有限公司 | Annular multi-angle powerful cutting fluid sprayer |
| CN103707124B (en) * | 2012-09-29 | 2016-03-02 | 中国科学院理化技术研究所 | Temperature-controllable cold cooling unit |
| WO2014056180A1 (en) * | 2012-10-12 | 2014-04-17 | Linde Aktiengesellschaft | Cooling apparatus and method of drills for printed circuit boards |
| CN103909547B (en) * | 2012-12-31 | 2016-04-13 | 深南电路有限公司 | A kind of numerically controlled drill and digital control hole drilling method |
| CN103091129A (en) * | 2013-01-24 | 2013-05-08 | 南通市飞宇石油科技开发有限公司 | Refrigerant drilling machine |
| CN105127838A (en) * | 2015-09-14 | 2015-12-09 | 苏州凯锝微电子有限公司 | Cooling device of cutting blade |
| CN108311965A (en) * | 2018-02-11 | 2018-07-24 | 诸暨市基麦罗进出口有限公司 | A kind of copper aluminium composite tubing new process equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1575097A (en) * | 2003-06-02 | 2005-02-02 | 日立比亚机械股份有限公司 | Printed board machining apparatus |
| CN201552324U (en) * | 2009-09-29 | 2010-08-18 | 深圳市大族激光科技股份有限公司 | Chips discharging mechanism of drilling machine of printed circuit board |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998036869A1 (en) * | 1997-02-19 | 1998-08-27 | Rolf Haberstock | Dust collector for a machining machine head |
| JP2002178207A (en) * | 2000-12-14 | 2002-06-25 | Enshu Ltd | Fine hole drilling method, tool holder using for the same method and machining center |
| KR20100081097A (en) * | 2009-01-05 | 2010-07-14 | 삼성전기주식회사 | Drill bit cooling apparatus |
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2010
- 2010-11-23 CN CN2010105551977A patent/CN102059581B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1575097A (en) * | 2003-06-02 | 2005-02-02 | 日立比亚机械股份有限公司 | Printed board machining apparatus |
| CN201552324U (en) * | 2009-09-29 | 2010-08-18 | 深圳市大族激光科技股份有限公司 | Chips discharging mechanism of drilling machine of printed circuit board |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2002-178207A 2002.06.25 |
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Owner name: SHENNAN CIRCUIT CO., LTD. Free format text: FORMER NAME: SHENZHEN SHENNAN CIRCUITS CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: 518053 Nanshan District, Guangdong, overseas Chinese town, No. East Road, No. 99 Patentee after: SHENZHEN SHENNAN CIRCUIT CO., LTD. Address before: 518000 Nanshan District, Guangdong, overseas Chinese town, No. East Road, No. 99 Patentee before: Shenzhen Shennan Circuits Co., Ltd. |