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CN104929527A - Drill bit with diamond compacts - Google Patents

Drill bit with diamond compacts Download PDF

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Publication number
CN104929527A
CN104929527A CN 201510292176 CN201510292176A CN104929527A CN 104929527 A CN104929527 A CN 104929527A CN 201510292176 CN201510292176 CN 201510292176 CN 201510292176 A CN201510292176 A CN 201510292176A CN 104929527 A CN104929527 A CN 104929527A
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bit
provided
end
heat
diamond
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CN 201510292176
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CN104929527B (en )
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高元琴
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高元琴
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Abstract

The invention discloses a drill bit with diamond compacts. The drill bit comprises a bit matrix and the diamond compacts. The diamond compacts are welded on the bit matrix. The operating end of the bit matrix is peripherally and integrally provided with a plurality of supports; each support is provided with a cavity in which one diamond compact is disposed; the diamond compacts are 1mm to 5mm higher than the top of the supports. The bit matrix is internally provided with a plurality of first heat tubes as many as the supports and corresponding to the same in position. The top of each first heat tube extends into the corresponding support. The center of the bit matrix is provided with a second heat tube. The lower end of the second heat tube is thicker than tis upper end. One end, close to the operating end, of each of the first and second heat tubes is provided with an evaporating segment, and the other end thereof is provided with a condensing segment. The wall of each of the first and second heat tubes is provided with an absorbent core; the first and second heat tubes are filled with medium and sealed by end covers. The drill bit can be cooled better.

Description

-种具有金刚石复合片的钻头 - seed drill bit having a diamond compact

技术领域 FIELD

[0001] 本发明设及一种钻头,尤其是一种具有金刚石复合片的钻头。 [0001] A drill according to the present invention and provided, in particular a diamond drill bit having a composite sheet.

背景技术 Background technique

[0002] 金刚石复合片PDC任olycrystallineDiamondCompact),其上部为聚晶金刚石薄层,下部为碳化鹤硬质合金基底,金刚石复合片(roc)工具在地质勘探、石油钻井、机械加工等行业应用非常广泛。 [0002] PDC diamond compact according to any olycrystallineDiamondCompact), an upper portion of the polycrystalline diamond thin, the lower portion of crane carbide base cemented carbide, PDC (ROC) tool in geological exploration, oil drilling and machining industry is widely used .

[0003] 具有金刚石复合片的钻头存在的技术问题是;第一散热效果不理想,第二金刚石复合片与钢钻头基体(钻头体)之间多采用粘合剂粘结或氧气与己诀火焰高温焊接。 [0003] Technical Problem with PDC bit is present; a first cooling effect is not satisfactory, and the second PDC drill steel matrix to use more oxygen or adhesive bonding between the flame and hexyl formula (bit body) high temperature solder. 使用过程中金刚石复合片易产生"脱片"现象,"脱片"是具有金刚石复合片的钻头的主要失效形式,其原因是由于焊接不牢或粘接不牢而引起的。 PDC during use tend to be "off-chip" phenomenon, "off-chip" is the main failure mode bit having a diamond compact, which is due to welding is not strong bonding is not strong or caused.

[0004] 由于存在该样的问题,所W有必要对现有的具有金刚石复合片的钻头进行改进。 [0004] Due to this kind of problem, it is necessary for the W bit having a conventional diamond compact is improved.

[0005] [0005]

发明内容 SUMMARY

[0006] 本发明的目的是为了解决上述技术的不足而设计的一种具有自散热性能的具有金刚石复合片的钻头。 [0006] The object of the present invention is a drill bit having a diamond compact having a self heat dissipation property In order to solve the above technical deficiencies designed.

[0007] 本发明所设计的一种具有金刚石复合片的钻头,包括钻头基体和金刚石复合片, 所述金刚石复合片焊接在钻头基体上,钻头基体的工作端沿圆周方向一体设置有若干支撑体,支撑体上设置有凹槽,凹槽内设有所述金刚石复合片,所述金刚石复合片高于支撑体顶部;所述钻头基体内具有若干第一热管,所述第一热管数量与支撑体相同且位置与支撑体相对应;所述第一热管顶部伸入所述支撑体;在钻头基体中屯、处设有第二热管; 所述第二热管下端粗于其上端;第一热管和第二热管靠近工作端的一端为蒸发段、另一端为冷凝段;在第一热管和第二热管的管壁上设有吸液巧,在第一热管和第二热管注入有工质并被端盖密封;在吸液巧的作用下工质进入到蒸发段,具有金刚石复合片的钻头使用时, 靠近工作端的工质温度升高汽化,在压差作用下汽化 [0007] The design of the present invention is a drill bit having a diamond compact, comprising a shank body and a PDC, the PDC is welded to the shank body, is integrally provided the working end of the drill bit base in the circumferential direction a plurality of support provided with grooves, the grooves are equipped with PDC, the PDC is higher than the top support member on a support; the drill bit matrix having a first plurality of heat pipes, the heat pipe and the first number of support and the same body position corresponding to the support member; said first heat pipe extending into the top of the support; Tun the bit matrix, is provided at the second heat pipe; the lower end of the second heat pipe crude upper end thereof; a first heat pipe and a second heat pipe near one end of the working end of the evaporating section, and the other end of the condensing section; clever provided in the wall of a liquid-absorbent first heat pipe and second heat pipe, working fluid injected in the first heat pipe and second heat pipe and a sealing cap; coincidentally when the absorbent mass into the evaporator under Patch section, having a diamond compact drill used, close to the working end of the working fluid temperature rises vaporized, vaporized by the pressure differential 工质流向热管的冷凝段,在冷凝段凝结成液体并向外界释放出热量,该些位于冷凝段的液体工质在吸液巧毛细抽吸力的作用下返回到蒸发段,并再次受热汽化,如此反复循环W实现具有金刚石复合片的钻头的降温。 Condensing section of the heat pipe working fluid flowing in the condensing section to the outside condense it releases heat, the condenser section is located in these liquid refrigerant returns to the evaporator section at the liquid suction force of the suction capillary Qiao, vaporized and heated again , W and so forth cycle to achieve cooling of the drill bit having a diamond compact.

[0008] 本发明所设计的具有金刚石复合片的钻头,它的有益效果是;钻头寿命长;W金刚石复合片为主切削齿,复合片的耐磨性能是硬质合金的20-40倍W上,使用寿命是普通钻头的3-5倍W上。 [0008] The present invention is designed for a drill bit having a diamond compact, it is advantageous effect; bit long life; W-based PDC cutters, the wear resistance of the cemented carbide composite sheet is 20-40 times W the service life is 3-5 times that of conventional drill bits W. 本发明中,第一热管和第二热管具有循环散热的特性,可W通过工质汽液两态的转化,将钻头工作端产生的高温释放至末端,反复循环W实现具有金刚石复合片的钻头的降温;第一热管与支撑体相对应且顶部伸入所述支撑体,在支撑体处产生的高温更容易被散出,而第一热管顶部伸入所述支撑体使得第一热管更接近工作点W提高散热效果;而位于中部的第二热管则对支撑体之间的中屯、区域进行散热,降低工作面的温度,并且第二热管下端粗于其上端使其冷凝段相对更大,而蒸发段相对更小,该样的结构便于工质在冷凝段的冷凝,也使得工质在蒸发段汽化后更易负压,提高循环散热效果。 The present invention, the first heat pipe and second heat pipe has a characteristic cycle heat can be W by converting both liquid and vapor state refrigerant, the high-temperature drill working end generated by release to the end, repeated cycles of W achieved a drill bit having diamond compact cooling; first heat pipe and the support member corresponding to the top support member extending into said high temperature produced at the support member is more easily dissipated, and the heat pipe extending into the top of the first support member such that the first heat pipe nearer enhance the heat dissipation effect operating point W; and a second heat pipe in the middle of the village in the region between the support for cooling, lowering the temperature of the working face, and the lower end of the second heat pipe relatively larger upper end thereof so that the crude condensation section , while a relatively smaller evaporator section, the refrigerant-like structure facilitates the condensation condenser section, but also so that the working fluid in the evaporator section more negative pressure vaporized cooling effect to improve the cycle. 该种钻头利用如下原理散热:在吸液巧的作用下工质进入到蒸发段,具有金刚石复合片的钻头使用时,靠近工作端的工质温度升高汽化,在压差作用下汽化的工质流向热管的冷凝段,在冷凝段凝结成液体并向外界释放出热量,该些位于冷凝段的液体工质在吸液巧毛细抽吸力的作用下返回到蒸发段,并再次受热汽化,如此反复循环W实现具有金刚石复合片的钻头的降温,散热效果更好。 This kind of cooling the drill bit using the following principle: when used in the absorbent matter under Patch clever into the evaporator section, having a diamond compact drill bits, close to the working end of the working fluid temperature rises vaporized, the vaporized working fluid under differential pressure condensing section of the heat pipe flow, the condensing section to the outside condense it releases heat, the condenser section is located in these liquid refrigerant returns to the evaporator section at the liquid suction force of the suction capillary Qiao, vaporized and heated again, so W repeated cycles to achieve cooling of the drill bit having a diamond compact, better heat dissipation.

[0009] 本发明进一步的方案是;所述钻头基体由钻、铁、镶、鹤、铜、锡、化-Re合金、YG8、 Mn组成,各组份的重量份为:钻30份、铁5份、镶2份、鹤2份、铜11份、锡1份、化-Re 合金32份、YG8 12份、Mn2份。 A further embodiment [0009] of the present invention; the substrate by the drill bit, iron, insert, crane, copper, tin, alloys -Re, YG8, Mn composition, each component is parts by weight: 30 parts by drilling, iron 5 parts of the insert parts 2, 2 crane parts, copper 11 parts, 1 part tin, 32 parts of the alloy -Re, YG8 12 parts, Mn2 parts. 其中:化-Re合金为铜基稀±合金,YG8是鹤钻类材料。 Wherein: a dilute copper alloy of -Re ± alloy, YG8 drilling crane is based material. 耐磨性良好,使用强度和冲击初性优于YG6,都可从姜堪市维德金属制品厂采购。 Good wear resistance, the use of strength and impact resistance than early YG6, ginger can be purchased from Kansas City Vader Metal Products Factory.

[0010] 本发明再进一步的方案是;金刚石复合片焊接在钻头基体上的步骤如下: 采用体积浓度为99. 5%的无水己醇对金刚石复合片W及钻头基体的焊接面进行清洗; 在钻头基体焊接面上、W及金刚石复合片焊接面上涂抹铜纤焊烙剂,并后将它们置于充满氣气的加热室内升温,加热室内气压保持在0.5个标准大气压,将钻头基体加热到650-652 °C,并静置5-10秒钟; 将加热后的钻头基体及金刚石复合片置于高频感应加热焊室内,焊室内温度控制在660-670°C,将铜纤焊料和铜纤焊烙剂加在已处理的金刚石复合片与钻头基体焊接面之间, 并采用氧气-己诀火焰加热焊接,焊接温度为670°C。 [0010] Still further aspect of the present invention; diamond composite sheet welding step on the drill bit base follows: The volume concentration of 99.5% anhydrous hexanol diamond composite sheet W and the welding surface of the drill bit base is cleaned; in the drill welding surface of the base, W, and the welding surface of the applicator PDC Cu brazing agent is baked, and after them in a gas-filled gas heating heating chamber, the heating chamber pressure is maintained at 0.5 atm, the heated shank to 650-652 ° C, and allowed to stand for 5-10 seconds; the bit matrix and the heated sheet is placed diamond composite high frequency induction heating welding chamber, welding room temperature is controlled at 660-670 ° C, copper solder fibers and branded copper brazing agent is applied between the diamond compact and the processed surface of the welded shank, and with oxygen - hexyl formula flame heating welding, soldering temperature of 670 ° C.

[0011] 采用铜纤焊料进行金刚石复合片的焊接,铜纤焊料具有优异的纤焊工艺性和润湿性,界面冶金结合致密,焊后表面光滑,焊接牢固,可有效解决现有技术中脱片的问题,脱片率可下降15%,延长钻头的使用寿命。 [0011] The copper fine diamond compact solder welding, copper fiber having excellent solder brazing process and wettability, interfacial metallurgical bonding dense, smooth surface after welding, welding firm, can effectively solve the prior art de problems sheet, plate removal rate can be decreased by 15%, extend the life of the drill bit.

[0012] 本发明再进一步的方案是;所述铜纤焊料为化e-Sne或化3-Sn。 [0012] A still further embodiment of the present invention; solder to the copper fibers, or of e-Sne of 3-Sn.

[0013] 本发明所设计的具有金刚石复合片的钻头特别适合于地质勘探。 [0013] The present invention is designed for a drill bit having a diamond composite sheet is particularly suitable for geological exploration.

[0014] [0014]

附图说明 BRIEF DESCRIPTION

[0015] 图1是实施例1具有金刚石复合片的钻头的外观示意图; 图2是实施例1具有金刚石复合片的钻头的纵剖图; 图3是实施例5具有金刚石复合片的钻头的纵剖图; 图中;钻头基体1、金刚石复合片2、支撑体3、凹槽4、第一热管5、第二热管6、蒸发段7、 冷凝段8、端盖10、吸液巧9、工质11。 [0015] FIG. 1 is a schematic appearance of a drill bit having a diamond compact in Example 1; FIG. 2 is a longitudinal sectional view of the drill bit having a diamond compact in Example 1; FIG. 3 is a longitudinal 5 having a PDC drill Example sectional view; FIG; 1 bit matrix, PDC 2, the support member 3, the recess 4, the first heat pipe 5, 6 second heat pipe, the evaporator section 7, the condensation section 8, the end cap 10, the absorbent clever 9, the working fluid 11.

[0016] [0016]

具体实施方式 detailed description

[0017] 下面通过实施例结合附图对本发明作进一步的描述。 [0017] The following figures of the present invention will be further described by way of embodiments in combination.

[001引实施例1 : 如图1、2所示,本实施例所描述的具有金刚石复合片的钻头,包括钻头基体1和金刚石复合片2,所述金刚石复合片2焊接设日采用银纤焊)在钻头基体1上,钻头基体1的工作端沿圆周方向一体设置有若干支撑体3,支撑体3上设置有凹槽4,凹槽4内设有所述金刚石复合片2,所述金刚石复合片2高于支撑体3顶部1mm;所述钻头基体1内具有若干第一热管5,所述第一热管5数量与支撑体3相同且位置与支撑体3相对应;所述第一热管5顶部伸入所述支撑体3 ;在钻头基体1中屯、处设有第二热管6 ;所述第二热管6下端粗于其上端; 第一热管5和第二热管6靠近工作端的一端为蒸发段7、另一端为冷凝段8 ;在第一热管5 和第二热管6的管壁上设有吸液巧9,在第一热管5和第二热管6注入有工质11并被端盖10密封;在吸液巧9的作用下工质11进入到蒸发段7,具有金刚石复合片的钻头使用 [Example 001 Primer 1: 1 and 2, a drill bit having a diamond composite sheet according to the present embodiment as described, the drill bit comprising a substrate and a diamond composite sheet 12, the second welding PDC silver fiber provided days welding) on ​​the drill bit base body 1, the working end of the drill bit base body 1 is integrally provided in the circumferential direction with a plurality of supporting member 3, supporting body 4 is provided with a groove 3, the recess 4 is provided with a diamond composite sheet 2, the higher than PDC 2 3 support top 1mm; heat pipe having a first plurality of said bit 5 in the base body 1, and the same position of the support member 3 corresponding to the number of first heat pipe 5 of the supporting body 3; the first the heat pipe 5 extends into the top of the support 3; 6 provided in the second heat pipe 1 in the bit matrix village, at a; 6 a second heat pipe to its upper end lower crude; the first heat pipe and second heat pipe 5 near the working end 6 7 one end, the other end of the evaporating section of the condensing section 8; 9 provided on the liquid-absorbent clever wall 5 and a second heat pipe of the first heat pipe 6, the first heat pipe and second heat pipe 5 is injected with a working medium 6 and 11 10 is a sealing cap; in action of getting off the absorbent mass 9 clever 11 into the evaporator section 7, a drill bit having PDC ,靠近工作端的工质11温度升高汽化,在压差作用下汽化的工质11流向热管的冷凝段8,在冷凝段8凝结成液体并向外界释放出热量,该些位于冷凝段8的液体工质11在吸液巧9毛细抽吸力的作用下返回到蒸发段7,并再次受热汽化,如此反复循环W实现具有金刚石复合片的钻头的降温。 , Near the working end of the working fluid 11 rises vaporization temperature, the condensing section by the pressure differential vaporized working fluid 11 to the heat pipe 8, in the condensation section 8 and condensed to liquid releases heat outside, the plurality of condensing section 8 located 11 returns the liquid refrigerant in the liquid-absorbent clever 9 to the capillary suction force of the evaporation section 7, vaporized and heated again, and so forth cycle W achieve cooling of the drill bit having a diamond composite sheet.

[0019] 本实施例所描述的具有金刚石复合片的钻头,它的有益效果是;钻头寿命长;W 金刚石复合片为主切削齿,复合片的耐磨性能是硬质合金的20-40倍W上,使用寿命是普通钻头的3-5倍W上。 [0019] PDC bit having the embodiments described in this embodiment, its beneficial effects; bit long life; W is mainly PDC cutters, the wear resistance of the composite sheet is 20-40 times Carbide on W, service life is 3-5 times that of conventional drill bits W. 本发明中,第一热管5和第二热管6具有循环散热的特性,可W通过工质11汽液两态的转化,将钻头工作端产生的高温释放至末端,反复循环W实现具有金刚石复合片的钻头的降温;第一热管5与支撑体3相对应且顶部伸入所述支撑体3,在支撑体3处产生的高温更容易被散出,而第一热管5顶部伸入所述支撑体3使得第一热管5更接近工作点W提高散热效果;而位于中部的第二热管6则对支撑体3之间的中屯、区域进行散热, 降低工作面的温度,并且第二热管6下端粗于其上端使其冷凝段8相对更大,而蒸发段7相对更小,该样的结构便于工质11在冷凝段8的冷凝,也使得工质11在蒸发段7汽化后更易负压,提高循环散热效果。 The present invention, the first heat pipe 5 and the second heat pipe 6 has a characteristic cycle heat can be W by converting two-state vapor and liquid working fluid 11, the temperature drill working end generated by release to the end, repeated cycles W realize a diamond composite bit cooling sheet; first heat pipe 5 corresponds to the support member 3 and extends into the top of the support member 3, the high temperature produced at the support member 3 is more easily dissipated, and the top 5 extends into said first heat pipe 3 such that the support 5 closer to the first heat pipe to improve heat dissipation effect of the work point W; the second heat pipe in the middle of the six pairs of the village, the region between the support 3 for heat dissipation, lower the temperature of the working surface, and a second heat pipe 6 after the upper end thereof so that lower crude condensation section 8 is relatively larger, while a relatively smaller evaporating section 7, like the structure 11 to facilitate working fluid is condensed in the condensation section 8, and 11 so that the working fluid vaporized in the evaporator 7 more segments a negative pressure, the cooling effect to improve the cycle. 该种钻头利用如下原理散热:在吸液巧9的作用下工质11进入到蒸发段7,具有金刚石复合片的钻头使用时,靠近工作端的工质11温度升高汽化,在压差作用下汽化的工质11流向热管的冷凝段8,在冷凝段8凝结成液体并向外界释放出热量,该些位于冷凝段8的液体工质11在吸液巧9毛细抽吸力的作用下返回到蒸发段7,并再次受热汽化,如此反复循环W实现具有金刚石复合片的钻头的降温,散热效果更好。 This kind of cooling the drill bit using the following principle: the role of getting off the absorbent mass 9 clever 11 into the evaporator section 7, the drill bit having a diamond compact use, the working end of the working fluid 11 near the vaporization temperature increases, the pressure difference between the condensing section 11 to the vaporized working fluid of the heat pipe 8, in the condensation section 8 and condensed to liquid releases heat outside, the plurality of liquid working medium located in the condensing section 8 of the absorbent 11 returns at 9 clever capillary suction force of the 7 to the evaporator section, and again heat of vaporization, W and so forth cycle to achieve cooling of the drill bit having a diamond compact, better heat dissipation.

[0020] 实施例2 ; 本实施例所描述的具有金刚石复合片的钻头,与实施例1不同的是;所述钻头基体1由钻、铁、镶、鹤、铜、锡、化-Re合金、YG8、Mn组成,各组份的重量份为;钻30份、铁5份、镶2 份、鹤2份、铜11份、锡1份、化-Re合金32份、YG8 12份、Mn2份。 [0020] Example 2; PDC bit having the described embodiments of the present embodiment, Embodiment 1 is different from; the base body 1 by the drill bit, iron, insert, crane, copper, tin, alloys of -Re , YG8, Mn composition, each component is parts by weight; drill 30 parts, 5 parts of iron, the insert parts 2, 2 crane parts, copper 11 parts, 1 part tin, 32 parts of the alloy -Re, YG8 12 parts, Mn2 copies.

[0021] 所述钻头基体1性能如下表 [0021] The performance of a bit matrix in the following table

Figure CN104929527AD00051

由此可知,本实施例所描述的具有金刚石复合片的钻头,在抗弯强度、冲击初性和硬度与同类产品相比具有明显的优势,可有提高使用寿命。 It can be seen, the drill bit having a diamond composite sheet described in this embodiment, the flexural strength, impact resistance, and early hardness compared with similar products has obvious advantages, may have improved life.

[002引实施例3 ; 本实施例所描述的具有金刚石复合片的钻头,与实施例1不同的是;金刚石复合片2焊接在钻头基体1上的步骤如下: 采用体积浓度为99. 5%的无水己醇对金刚石复合片2W及钻头基体1的焊接面进行清洗; 在钻头基体1焊接面上、W及金刚石复合片2焊接面上涂抹铜纤焊烙剂,并后将它们置于充满氣气的加热室内升温,加热室内气压保持在0. 5个标准大气压,将钻头基体1加热到650-652°C,并静置5-10秒钟;该步骤中铜纤焊烙剂得到了预热; 将加热后的钻头基体1及金刚石复合片2置于高频感应加热焊室内,焊室内温度控制在660-670°C,将铜纤焊料和铜纤焊烙剂加在已处理的金刚石复合片2与钻头基体1焊接面之间,并采用氧气-己诀火焰加热焊接,焊接温度为670°C。 [002 cited in Example 3; bit having diamond composite sheet described in this embodiment, different from Embodiment 1 is; PDC second welding step on a drill bit base follows: The volume concentration of 99.5% of anhydrous hexanol 2W PDC bit and a welding surface is cleaned substrate 1; 2 welded surface in the base body 1 bit weld face, W, and PDC applicator branded copper brazing agent, and after they were placed gas heating chamber filled with gas heating, heating chamber pressure is maintained at 0.5 atm, the substrate 1 was heated to drill 650-652 ° C, and allowed to stand for 5-10 seconds; the bake step copper brazing agent to give preheating; the substrate after heating the bit 1 and 2 was placed diamond compact high frequency induction heating welding chamber, welding room temperature is controlled at 660-670 ° C, copper fiber and copper brazing solder is applied to branded agent treated PDC welding surface between the bit 2 and the base 1, and with oxygen - hexyl formula flame heating welding, soldering temperature of 670 ° C.

[0023] 其中;所述铜纤焊料为化e-Srv铜纤焊烙剂采用FB301铜纤焊烙剂,可从河北清河耐磨焊条公司购买。 [0023] wherein; the solder to the copper fibers of e-Srv copper brazing agent employed FB301 branded branded copper brazing agent, commercially available from the company Hebei Qinghe electrode wear.

[0024] 采用铜纤焊料进行金刚石复合片的焊接,铜纤焊料具有优异的纤焊工艺性和润湿性,界面冶金结合致密,焊后表面光滑,焊接牢固,铜纤焊烙剂施了前后两次,使其分布更为均匀充分,对铜纤焊料的作用更为充分均匀;可有效解决现有技术中脱片的问题,脱片率可下降15%,延长钻头的使用寿命。 [0024] The copper fine diamond compact solder welding, copper fiber having excellent solder resistance brazing process and wettability, interfacial metallurgical bonding dense, smooth surface after welding, welding firm, copper brazing agent to front and rear branded twice, so that more evenly distributed sufficiently, the role of copper is more sufficiently uniform solder fibers; can effectively solve the problems of the prior art off-chip, off-chip rate can be decreased by 15%, extend the life of the drill bit.

[002引实施例4 ; 本实施例所描述的具有金刚石复合片的钻头,与实施例2不同的是;金刚石复合片2焊接在钻头基体1上的步骤如下: 采用体积浓度为99. 5%的无水己醇对金刚石复合片2W及钻头基体1的焊接面进行清洗; 在钻头基体1焊接面上、W及金刚石复合片2焊接面上涂抹铜纤焊烙剂,并后将它们置于充满氣气的加热室内升温,加热室内气压保持在0. 5个标准大气压,将钻头基体1加热到650-652 °C,并静置5-10秒钟; 将加热后的钻头基体1及金刚石复合片2置于高频感应加热焊室内,焊室内温度控制在660-67(TC,将铜纤焊料和铜纤焊烙剂加在已处理的金刚石复合片2与钻头基体1焊接面之间,并采用氧气-己诀火焰加热焊接,焊接温度为670°C。 [002 Primer Example 4; bit having diamond composite sheet described in this embodiment, as in Example 2 except that; PDC second welding as in step of 1 bit base: The volume concentration of 99.5% of anhydrous hexanol 2W PDC bit and a welding surface is cleaned substrate 1; 2 welded surface in the base body 1 bit weld face, W, and PDC applicator branded copper brazing agent, and after they were placed gas heating chamber filled with gas heating, heating chamber pressure is maintained at 0.5 atm, the substrate 1 was heated to drill 650-652 ° C, and allowed to stand for 5-10 seconds; the bit matrix 1 and the diamond after heat the composite sheet 2 is placed high frequency induction heating welding chamber, welding room temperature is controlled at 660-67 (TC, copper fiber and copper brazing solder is applied to branded agent PDC treated with the welding surface of the bit 2 between the base , and with oxygen - hexyl formula flame heating welding, soldering temperature of 670 ° C.

[002引其中;所述铜纤焊料为Cu3-Sn。 [002 incorporated therein; the fineness of the solder to the copper Cu3-Sn.

[0027]实施例5; 如图3所示,本实施例所描述的具有金刚石复合片的钻头,包括钻头基体1和金刚石复合片2,所述金刚石复合片2焊接设日采用银纤焊)在钻头基体1上,钻头基体1的工作端沿圆周方向一体设置有若干支撑体3,支撑体3上设置有凹槽4,凹槽4内设有所述金刚石复合片2,所述金刚石复合片2高于支撑体3顶部5mm;所述钻头基体1内具有若干第一热管5,所述第一热管5数量与支撑体3相同且位置与支撑体3相对应;所述第一热管5顶部伸入所述支撑体3 ;第一热管5靠近工作端的一端为蒸发段7、另一端为冷凝段8 ;在第一热管5的管壁上设有吸液巧9,在第一热管5内注入有工质11并被端盖10密封;在吸液巧9的作用下工质11进入到蒸发段7,具有金刚石复合片的钻头使用时,靠近工作端的工质11温度升高汽化,在压差作用下汽化的工质11流向热管的冷凝段8,在冷凝段8凝结成液体并 [0027] Example 5; FIG. 3, the drill bit having a diamond composite sheet according to the present embodiment as described, the drill bit comprising a substrate and a diamond composite sheet 12, the second welding PDC provided with silver brazing days) a base body on the drill bit, the drill bit working end of the base 1 is integrally provided in the circumferential direction with a plurality of supporting member 3, supporting body 4 is provided with a groove 3, the recess 4 is provided with a diamond composite sheet 2, the composite diamond 3 a top sheet 2 is higher than 5mm support; heat pipe having a first plurality of said bit 5 in the base body 1, the number of the first heat pipe 5 and the support member 3 and the same position corresponding to the support member 3; the first heat pipe 5 3 extends into the top of the support body; a first heat pipe 5 near the end of the working end of the evaporating section 7, and the other end of the condensing section 8; 9 provided on the liquid-absorbent clever wall 5 of the first heat pipe, the first heat pipe 5 11 and 10 the injected working fluid sealing cap; getting off mass 11 into the evaporator section 7, the drill bit having PDC use, the working end of the working fluid 11 near the vaporization temperature rise in the absorbent effect of coincidence 9, condensing section by the pressure differential vaporized working fluid 11 to the heat pipe 8, in the condensation section 8 and is condensed into liquid 外界释放出热量,该些位于冷凝段8的液体工质11在吸液巧9毛细抽吸力的作用下返回到蒸发段7,并再次受热汽化,如此反复循环W实现具有金刚石复合片的钻头的降温。 External heat is released, the plurality of liquid working medium located in the condensing section 8 of the evaporating section 11 returns to the liquid-absorbent 7 at 9 clever suction force of the capillary, and again heat of vaporization, W and so forth cycle to achieve a bit having PDC cooling. 本实施例所描述的具有金刚石复合片的钻头,所述钻头基体1由钻、铁、镶、鹤、铜、锡、化-Re合金、YG8、Mn组成,各组份的重量份为:钻30份、铁5份、镶2份、鹤2份、铜11份、锡1份、 Cu-Re合金32 份、YG8 12 份、Mn2 份。 PDC bit having the embodiments described in this embodiment, the base body 1 by the drill bit, iron, insert, crane, copper, tin, alloys -Re, YG8, Mn composition, each component is parts by weight: drilling 30 parts, 5 parts of iron, the insert parts 2, 2 crane parts, copper 11 parts, 1 part tin, Cu-Re alloy parts 32, YG8 12 parts, Mn2 parts.

[002引所述钻头基体1性能如下表 [002 Primer performance of the drill bit base in the following table 1

Figure CN104929527AD00071

本实施例所描述的具有金刚石复合片的钻头,它的有益效果是;钻头寿命长;W金刚石复合片为主切削齿,复合片的耐磨性能是硬质合金的20-40倍W上,使用寿命是普通电锻、型金刚石钻头的3~5倍W上。 PDC bit having the embodiments described in this embodiment, its beneficial effects; bit long life; W is mainly PDC cutters, the wear resistance of a cemented carbide composite sheet is 20-40 times W, forging ordinary electrical life, a diamond type bit 3 to 5 times W. 本发明中,第一热管5具有循环散热的特性,可W通过工质11汽液两态的转化,将钻头工作端产生的高温释放至末端,反复循环W实现具有金刚石复合片的钻头的降温;第一热管5与支撑体3相对应且顶部伸入所述支撑体3,在支撑体3 处产生的高温更容易被散出,而第一热管5顶部伸入所述支撑体3使得第一热管5更接近工作点W提高散热效果;该种钻头利用如下原理散热:在吸液巧9的作用下工质11进入到蒸发段7,具有金刚石复合片的钻头使用时,靠近工作端的工质11温度升高汽化,在压差作用下汽化的工质11流向热管的冷凝段8,在冷凝段8凝结成液体并向外界释放出热量,该些位于冷凝段8的液体工质11在吸液巧9毛细抽吸力的作用下返回到蒸发段7,并再次受热汽化,如此反复循环W实现具有金刚石复合片的钻头的降温,散热效果更好。 The present invention, the first heat pipe 5 has a characteristic cycle heat can be W by converting two-state vapor and liquid working fluid 11, the temperature drill working end generated by release to the end, repeated cycles W achieve cooling with PDC drill ; first heat pipe 5 corresponds to the support member 3 and extends into the top of the support 3, the high temperature generated at the support 3 is more easily dissipated, and the first heat pipe 5 extends into the top of the support member 3 so that the first a heat pipe 5 is closer to the work point W to improve the heat dissipation effect; this type of drill bit using the following principle of cooling: getting off mass 11 into the evaporator section 7, having a work when the PDC drill bit used, close to the working end of the liquid-absorbent clever 9 role 11 mass vaporization temperature rises, the condensation section vaporized by the pressure differential 11 to the working fluid of the heat pipe 8, in the condensation section 8 and condensed to liquid releases heat outside, the plurality of liquid working medium located in the condensing section 11 of 8 Back to the liquid-absorbent clever 9 to the capillary suction force of the evaporation section 7, vaporized and heated again, and so forth cycle W achieve cooling of the drill bit having diamond compact, better heat dissipation.

[002引实施例6 ; 本实施例所描述的具有金刚石复合片的钻头,与实施例5不同的是;金刚石复合片2焊接在钻头基体1上的步骤如下: 采用体积浓度为99. 5%的无水己醇对金刚石复合片2W及钻头基体1的焊接面进行清洗; 在钻头基体1焊接面上、W及金刚石复合片2焊接面上涂抹铜纤焊烙剂,并后将它们置于充满氣气的加热室内升温,加热室内气压保持在0. 5个标准大气压,将钻头基体1加热到650-652 °C,并静置5-10秒钟; 将加热后的钻头基体1及金刚石复合片2置于高频感应加热焊室内,焊室内温度控制在660-67(TC,将铜纤焊料和铜纤焊烙剂加在已处理的金刚石复合片2与钻头基体1焊接面之间,并采用氧气-己诀火焰加热焊接,焊接温度为670°C。 [002 cited in Example 6; a drill bit having a diamond composite sheet described in this embodiment, different from Embodiment 5 is; PDC second welding step on a drill bit base follows: The volume concentration of 99.5% of anhydrous hexanol 2W PDC bit and a welding surface is cleaned substrate 1; 2 welded surface in the base body 1 bit weld face, W, and PDC applicator branded copper brazing agent, and after they were placed gas heating chamber filled with gas heating, heating chamber pressure is maintained at 0.5 atm, the substrate 1 was heated to drill 650-652 ° C, and allowed to stand for 5-10 seconds; the bit matrix 1 and the diamond after heat the composite sheet 2 is placed high frequency induction heating welding chamber, welding room temperature is controlled at 660-67 (TC, copper fiber and copper brazing solder is applied to branded agent PDC treated with the welding surface of the bit 2 between the base , and with oxygen - hexyl formula flame heating welding, soldering temperature of 670 ° C.

[0030] 其中;所述铜纤焊料为化3-Sn。 [0030] wherein; the fineness of the solder to the copper of 3-Sn.

[0031] 上述实施例仅仅是对本发明的构思作举例说明,明显地,本专利的保护范围不限于上述实施例。 [0031] The above-described embodiments are merely for the present inventive concept is illustrated, obviously, the scope of the present patent is not limited to the above embodiment.

[0032] 本领域技术人员对上述实施例所作的各种等同修改或补充,都应当落入本专利的保护范围。 [0032] Those skilled in the art of the various above-described embodiments or equivalent modifications made to the supplement, should fall within the scope of this patent.

Claims (4)

  1. 1. 一种具有金刚石复合片的钻头,包括钻头基体(1)和金刚石复合片(2),所述金刚石复合片(2)焊接在钻头基体(1)上,其特征是钻头基体(1)的工作端沿圆周方向一体设置有若干支撑体(3),支撑体(3)上设置有凹槽(4),凹槽(4)内设有所述金刚石复合片(2),所述金刚石复合片(2)高于支撑体(3)顶部;所述钻头基体(1)内具有若干第一热管(5),所述第一热管(5)数量与支撑体(3)相同且位置与支撑体(3)相对应;所述第一热管(5)顶部伸入所述支撑体(3);在钻头基体(1)中心处设有第二热管(6);所述第二热管(6) 下端粗于其上端;第一热管(5)和第二热管(6)靠近工作端的一端为蒸发段(7)、另一端为冷凝段(8);在第一热管(5)和第二热管(6)的管壁上设有吸液芯(9),在第一热管(5)和第二热管(6)注入有工质(11)并被端盖(10)密封;在吸液芯(9)的作用 1. A drill bit having a diamond compact, comprising a drill body (1) and PDC (2), the PDC (2) welded to the shank body (1), characterized in that the shank (1) the working end in the circumferential direction is integrally provided with a plurality of supporting member (3), the support (3) is provided with a groove (4), the recess (4) is provided with said diamond compact (2), said diamond composite sheet (2) above the support (3) top; having a first plurality of heat pipes (5) (1) within the bit matrix, (3) the same as the first heat pipe (5) and the number of the support positions a support member (3) corresponding to; the first heat pipe (5) extending into the top of the support body (3); (1) is provided at the center of the second heat pipe (6) in the bit matrix; a second heat pipe ( 6) lower crude upper end thereof; a first heat pipe (5) and a second heat pipe (6) near one end of the working end of the evaporating section (7), the other end of the condensing section (8); (5) and the first heat pipe with the wick (9) on the wall of two heat pipes (6), the first heat pipe (5) and a second heat pipe (6) is injected with a working medium (11) and end cap (10) sealed; suction effect wick (9) 工质(11)进入到蒸发段(7),具有金刚石复合片的钻头使用时,靠近工作端的工质(11)温度升高汽化,在压差作用下汽化的工质(11)流向热管的冷凝段(8),在冷凝段(8)凝结成液体并向外界释放出热量,这些位于冷凝段(8)的液体工质(11)在吸液芯(9)毛细抽吸力的作用下返回到蒸发段(7 ),并再次受热汽化,如此反复循环以实现具有金刚石复合片的钻头的降温。 Working fluid (11) into the evaporator segment (7), has a diamond compact drill used, close to the working end of the working fluid (11) rises vaporized, vaporized by the pressure differential working medium (11) to the heat pipe condensing section (8), the condensation section (8) is condensed into a liquid and releasing heat outside, which is located in the condensing section (8) of liquid working medium (11) in the wick action (9) of the capillary suction force returns to the evaporator segment (7), vaporized and heated again, and so forth cycle to effect cooling of the drill bit having a diamond compact.
  2. 2. 根据权利要求1所述的具有金刚石复合片的钻头,其特征是所述钻头基体(1)由钴、 铁、镍、钨、铜、锡、Cu-Re合金、YG8、Mn组成,各组份的重量份为:钴30份、铁5份、镍2份、 钨2份、铜11份、锡1份、Cu-Re合金32份、YG8 12份、Mn2份。 Consisting of cobalt, iron, nickel, tungsten, copper, tin, Cu-Re alloy, YG8, Mn 2. Composition bit having diamond compact according to claim 1, wherein said shank member (1), each of component parts by weight: 30 parts of cobalt, iron, 5 parts, 2 parts of nickel, tungsten 2 parts, 11 parts of copper, tin parts 1, Cu-Re alloy parts 32, YG8 12 parts, Mn2 parts.
  3. 3. 根据权利要求1或2所述的具有金刚石复合片的钻头,其特征是金刚石复合片(2) 焊接在钻头基体(1)上的步骤如下: 采用体积浓度为99. 5%的无水乙醇对金刚石复合片(2)以及钻头基体(1)的焊接面进行清洗; 在钻头基体(1)焊接面上、以及金刚石复合片(2)焊接面上涂抹铜钎焊熔剂,并后将它们置于充满氩气的加热室内升温,加热室内气压保持在〇. 5个标准大气压,将钻头基体(1) 加热到650-652°C,并静置5-10秒钟; 将加热后的钻头基体(1)及金刚石复合片(2)置于高频感应加热焊室内,焊室内温度控制在660-670°C,将铜钎焊料和铜钎焊熔剂加在已处理的金刚石复合片(2)与钻头基体(1)焊接面之间,并采用氧气-乙炔火焰加热焊接,焊接温度为670°C。 The drill bit having a diamond composite sheet of claim 1 or claim 2, wherein the diamond compact (2) the step of welding the base body of the bit (1) as follows: The volume concentration of 99.5% in dry ethanol diamond composite sheet (2) and the shank (1) for cleaning a welding surface; bit in the base body (1) weld face, and PDC (2) applied brazing flux welding copper surface, and they will placed in the heating chamber is filled with argon are heated and maintained at a chamber pressure 5 atmospheres square, the drill body (1) is heated to 650-652 ° C, and allowed to stand for 5-10 seconds; drill bit after heating the base body (1) and the diamond compact (2) is placed high frequency induction heating welding chamber, welding room temperature is controlled at 660-670 ° C, copper solder and flux applied to the brazed diamond compacts processed ( between (1) the welding surface 2) with the bit matrix, and using an oxygen - acetylene flame heat welding, soldering temperature of 670 ° C.
  4. 4. 根据权利要求3所述的具有金刚石复合片的钻头,其特征是所述铜钎焊料为Cu6-Sn5 或Cu3-Sn0 4. The drill bit having a diamond composite sheet according to claim 3, wherein said solder is a copper or Cu6-Sn5 Cu3-Sn0
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4334585A (en) * 1980-07-14 1982-06-15 Smith International, Inc. Insert retention and cooling apparatus for drag bits
US4499958A (en) * 1983-04-29 1985-02-19 Strata Bit Corporation Drag blade bit with diamond cutting elements
CN2570436Y (en) * 2002-06-05 2003-09-03 邵兴新 Casing of bit head
US20040040752A1 (en) * 2002-08-27 2004-03-04 Brandenberg Kristin R Method of producing downhole drill bits with integral carbide studs
CN102086757A (en) * 2010-10-23 2011-06-08 李仕清 Composite cutting drill
CN201865583U (en) * 2010-11-23 2011-06-15 通化市远通石油机械有限责任公司 High-efficiency three-scraper drill bit

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4334585A (en) * 1980-07-14 1982-06-15 Smith International, Inc. Insert retention and cooling apparatus for drag bits
US4499958A (en) * 1983-04-29 1985-02-19 Strata Bit Corporation Drag blade bit with diamond cutting elements
CN2570436Y (en) * 2002-06-05 2003-09-03 邵兴新 Casing of bit head
US20040040752A1 (en) * 2002-08-27 2004-03-04 Brandenberg Kristin R Method of producing downhole drill bits with integral carbide studs
CN102086757A (en) * 2010-10-23 2011-06-08 李仕清 Composite cutting drill
CN201865583U (en) * 2010-11-23 2011-06-15 通化市远通石油机械有限责任公司 High-efficiency three-scraper drill bit

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