CN115889859A - Efficient and economical deep hole drilling tool bar - Google Patents
Efficient and economical deep hole drilling tool bar Download PDFInfo
- Publication number
- CN115889859A CN115889859A CN202211597353.5A CN202211597353A CN115889859A CN 115889859 A CN115889859 A CN 115889859A CN 202211597353 A CN202211597353 A CN 202211597353A CN 115889859 A CN115889859 A CN 115889859A
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- drill
- rod
- deep hole
- efficient
- bit
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- 238000005553 drilling Methods 0.000 title claims abstract description 20
- 239000000956 alloy Substances 0.000 claims abstract description 40
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 39
- 238000005520 cutting process Methods 0.000 claims abstract description 31
- 229910000997 High-speed steel Inorganic materials 0.000 claims abstract description 7
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 8
- 239000000110 cooling liquid Substances 0.000 claims description 7
- 239000000498 cooling water Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 238000009826 distribution Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 5
- 239000002826 coolant Substances 0.000 description 6
- 238000003754 machining Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Drilling Tools (AREA)
Abstract
The invention belongs to the technical field of drilling tools, and particularly relates to an efficient and economical deep hole drilling tool bar which comprises a tool bar main body, a drill bar tool bit and a tool bar handle, wherein a central drill installation groove is formed in the center of the end part of the drill bar tool bit, a positioning central drill is inserted in the central drill installation groove, a pair of symmetrically distributed alloy blades are arranged at the cutting edge of the drill bar tool bit, a pair of thread grooves for installing the alloy blades are formed at the cutting edge of the drill bar tool bit, blade locking screws which are in threaded connection with the thread grooves and used for fixedly installing the alloy blades at the cutting edge are inserted in the alloy blades, and an included angle of 70-80 degrees is formed between the cutting edge of the alloy blades and the axial direction of the tool bar main body. According to the invention, the cutter bar is made of heavy metal cutter bars, the blades on two sides are AO-shaped alloy blades, the use frequency can reach 3 times, the center pilot drill is made of powder high-speed steel and can serve as a drill bit cross edge, and the center pilot drill is economical and practical and has strong universality and high efficiency.
Description
Technical Field
The invention relates to the technical field of drilling tools, in particular to a high-efficiency and economical deep hole drilling tool bar.
Background
The deep hole drill is a drill bit specially used for processing deep holes. Holes with a hole depth to hole diameter ratio of greater than 6 are often referred to as deep holes in machining.
In the existing mechanical line industry, hole machining is carried out on high-speed steel drill bits, U-shaped drill bits and deep hole machining gun drill bits, but the machining efficiency of the tool is low; hard alloy drills and insert yellow crown drills, but such tools are expensive. The hole machining cutter part can only be used for special machines, machining centers and numerical control.
The invention provides a deep hole drill cutter bar, which is made of heavy metal cutter bars, blades on two sides are AO-shaped alloy blades, the use frequency can reach 3 times, and a central centering drill is made of powder high-speed steel and can serve as a drill bit chisel edge;
the domestic U-drill parameter Vc can reach 120 at most, fr can reach 0.07 at most, the processing depth can reach 5 times of diameter at most, and European and American products can also reach 8 times of diameter at most;
the current deep hole drill cutter bar parameter Vc can reach 160 at most, fr can reach 0.16 at most, the diameter used at present reaches 7.1 times, and the stable aperture tolerance of cutting processing can be kept between 0.03 and 0.08mm; the coaxiality can reach 0.1mm, and the device is economical and practical, and has strong universality and high efficiency.
Disclosure of Invention
Based on the technical problem that the existing drilling tool is low in universality, the invention provides an efficient and economical deep hole drilling tool bar.
The invention provides an efficient and economical deep hole drilling cutter bar which comprises a cutter bar main body, a drill rod cutter head and a cutter bar handle part, wherein the drill rod cutter head and the cutter bar handle part are respectively arranged at two ends of the cutter bar main body, a central drill installation groove is formed in the center position of the end part of the drill rod cutter head, a positioning central drill is inserted in the central drill installation groove, a mechanism for adjusting and fixing the positioning central drill is arranged on the drill rod cutter head, a pair of symmetrically distributed alloy blades is arranged at the cutting edge of the drill rod cutter head, a pair of thread grooves for installing the alloy blades are formed at the cutting edge of the drill rod cutter head, blade locking screws which are in threaded connection with the thread grooves and used for fixedly installing the alloy blades at the cutting edge are inserted in the alloy blades, and an included angle of 70-80 degrees is formed between the cutting edge of the alloy blades and the axial direction of the cutter bar main body.
Preferably, the cutting edge of the alloy blade and the axial direction of the tool holder main body form an included angle of 78 degrees.
Preferably, the mechanism for adjusting and fixing the positioning center drill comprises a plurality of threaded holes which are formed in the circumferential surface of the drill bit and communicated with the center drill mounting groove, the threaded holes are internally provided with center drill adjusting screws which are in threaded fit with the threaded holes and used for pressing and fixing the positioning center drill, and after the positioning center drill is inserted into the center drill mounting groove to a proper depth, the plurality of center drill adjusting screws are sequentially screwed, so that the exposed length of the positioning center drill bit can be adjusted.
Preferably, the drill rod bit has a diameter greater than the diameter of the tool holder body.
Preferably, a cutter bar chip removal spiral groove used for discharging chips generated during drilling is formed in the circumferential surface of the cutter bar main body, and the bottom end of the cutter bar chip removal spiral groove extends to the edge of the drill rod bit.
Preferably, the material of cutter arbor main part is the heavy metal material.
Preferably, the alloy blade is made of AO type alloy material.
Preferably, the material of the positioning center drill is a powder high-speed steel material.
Preferably, a step-shaped cutter bar positioning end surface is arranged at the joint of the cutter bar main body and the cutter bar handle.
Preferably, the central point of the outer end of the cutter arbor stalk portion puts and is offered and is used for the coolant liquid drainage extremely the screw thread cooling connector in the cutter arbor main part, cutter arbor chip removal helicla flute is close to the position of drilling rod tool bit edge department offers and is used for the coolant liquid from the cutter arbor main part drainage extremely the cooling delivery port of blade.
Compared with the prior art, the invention provides an efficient and economic deep hole drill cutter bar, which has the following beneficial effects:
1. a high-efficient economic cutter bar for deep hole drill is prepared as setting positioning center drill and alloy blade, forming drill rod cutter head and positioning center drill to be matched, using positioning center drill as bit cross edge, setting positioning center drill at central position to be more beneficial to centering, using alloy blade as heavy metal material and AO type alloy blade as two side alloy blades for enhancing chip breaking effect and raising drilling efficiency, setting positioning center drill as powder high speed steel material and being able to be used as bit cross edge, setting Vc being up to 160 and fr being up to 0.16, setting stable aperture tolerance being up to 7.1 times and being able to be guaranteed to be 0.03-0.08mm and coaxiality being up to 0.1mm.
2. The utility model provides a high-efficient economic deep hole bores cutter arbor, is used for adjusting and the mechanism that fixed location center bored through the setting, when installation location center bored, bored earlier with location center and inserted the center and bore the appropriate degree of depth of mounting groove after, screwed up a plurality of centers in proper order and bore adjusting screw, can bore the length that the drill bit exposes to location center and adjust to boring the drill point at location center and using the back that weares and teares, can continue to use, thereby improve its life.
3. The utility model provides a blade is discharged from the gap that high-efficient economic deep hole drilling cutter arbor, through setting up cutter arbor chip removal helicla flute, and the diameter of tool bit is greater than the diameter of cutter arbor main part, can make and form the gap between the hole of cutter arbor main part and brill, the piece that produces when will driling through cutter arbor chip removal helicla flute under the rotation state.
4. The utility model provides a deep hole drilling cutter arbor of high-efficient economy, is used for through the setting with coolant liquid drainage to the interior screw thread cooling connector of cutter arbor main part and is used for the coolant liquid from the coolant outlet of cutter arbor main part drainage to blade, through pipe connection to screw thread cooling connector department, when using, introduces the coolant liquid and cools off the drilling position.
Drawings
FIG. 1 is a schematic perspective view of a deep hole drill tool holder according to the present invention;
FIG. 2 is an enlarged schematic view of the efficient and economical deep hole drill tool bar of FIG. 1 at A;
FIG. 3 is a schematic side view of the efficient and economical deep hole drill bit of FIG. 1;
FIG. 4 is a schematic structural diagram of a deep hole drill tool bar according to the present invention;
fig. 5 is a side view of the deep hole drill rod of fig. 4 according to the present invention.
In the figure: 1. a shank portion of the tool holder; 2. a cutter bar main body; 3. a cutter bar chip removal spiral groove; 4. positioning a center drill; 5. a central drill adjusting screw; 6. an alloy blade; 7. a blade locking screw;
8. a drill rod bit; 9. a threaded cooling connection; 10. a cooling water outlet; 11. the cutter arbor fixes a position the terminal surface.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Examples
Referring to fig. 1-5, an efficient and economical deep hole drill rod comprises a rod body 2, a drill rod bit 8 and a rod handle 1 which are respectively arranged at two ends of the rod body 2, a center drill mounting groove is formed in the center of the end of the drill rod bit 8, a positioning center drill 4 is inserted into the center drill mounting groove, a mechanism for adjusting and fixing the positioning center drill 4 is arranged on the drill rod bit 8, a pair of symmetrically distributed alloy blades 6 is arranged at the cutting edge of the drill rod bit 8, a pair of thread grooves for mounting the alloy blades 6 is formed at the cutting edge of the drill rod bit 8, a blade locking screw 7 which is in threaded connection with the thread grooves and is used for fixedly mounting the alloy blades 6 at the cutting edge is inserted into the alloy blades 6, an included angle of 70-80 degrees is formed between the cutting edge of the alloy blades 6 and the axial direction of the rod body 2, the drill rod bit 8 is matched with the positioning center drill 4, the positioning center drill 4 serves as a drill bit cross edge, the positioning center drill 4 at the center position is more beneficial to centering, the alloy blades 6 are used for participating in cutting, one-edge symmetrical stress, so as to ensure that the alloy blades are not deviated during drilling, in addition, the cutting process, the cutting effect is improved, and the cutting effect is improved in the form of the cutting resistance of the cutting effect of the cutting.
Further, the cutting edge of the alloy blade 6 and the axial direction of the tool holder body 2 form an angle of 78 ° at which the alloy blade 6 enhances the chip breaking effect and disperses the cutting resistance toward the optimum state.
Furthermore, the mechanism for adjusting and fixing the positioning center drill 4 comprises a plurality of threaded holes which are formed in the circumferential surface of a drill rod bit 8 and communicated with the center drill mounting groove in a linear distribution mode, a center drill adjusting screw 5 which is in threaded fit with the threaded holes and used for pressing and fixing the positioning center drill 4 is arranged in each threaded hole, when the positioning center drill 4 is installed, the positioning center drill 4 is inserted into the center drill mounting groove to a proper depth first, the center drill adjusting screws 5 are screwed down in sequence, the exposed length of the drill bit of the positioning center drill 4 can be adjusted, and therefore the positioning center drill 4 can be continuously used after the drill point is worn, and the service life of the positioning center drill 4 is prolonged.
Further, the diameter of the drill rod cutter head 8 is larger than that of the cutter rod main body 2, so that a gap can be formed between the cutter rod main body 2 and a drilled hole, and chip removal is facilitated.
Further, offer on the circumferential surface of cutter arbor main part 2 and be used for the cutter arbor chip removal helicla flute 3 of the piece exhaust that produces when will driling, the bottom of cutter arbor chip removal helicla flute 3 extends to the blade department of drilling rod tool bit 8, and the piece that produces when will driling through cutter arbor chip removal helicla flute 3 under the rotation state is discharged from the gap.
Further, the material of the cutter bar main body 2 is heavy metal material.
Further, the cutter bar main body 2 is made of a light shockproof material, and the materials in parts by weight are as follows: c carbon 0.4, si silicon 0.9, mn manganese 0.4, cr chromium 5.2, mo 1.5.5, v vanadium 1.6; by using a light-weight vibration-proof material, vibrations generated during processing can be reduced.
Furthermore, the alloy blade 6 is made of AO-type alloy, and the use frequency can reach 3 times.
Furthermore, the positioning center drill 4 is made of powder high-speed steel.
Furthermore, the position that cutter arbor main part 2 and cutter arbor stalk portion 1 meet is equipped with step-like cutter arbor location terminal surface 11, can conveniently assemble the use to cutter arbor stalk portion 1.
Further, the central point of the outer end of the cutter bar handle part 1 is provided with a thread cooling connecting port 9 for draining cooling liquid into the cutter bar main body 2, the position of the cutter bar chip removal spiral groove 3 close to the position of the cutting edge of the drill rod bit 8 is provided with a cooling water outlet 10 for draining the cooling liquid from the cutter bar main body 2 to the cutting edge, the cooling liquid is connected to the thread cooling connecting port 9 through a pipeline, and when the cooling liquid is used, the cooling liquid is introduced to cool a drilling part.
In addition, the parameter Vc of a domestic common U drill can reach 120 to the maximum, fr can reach 0.07 to the maximum, the processing depth can reach 5 times of the diameter to the maximum, and European and American products can also reach 8 times of the diameter to the maximum;
the current deep hole drill cutter bar parameter Vc can reach 160 at most, fr can reach 0.16 at most, the diameter used at present reaches 7.1 times, and the stable aperture tolerance of cutting can be ensured to be 0.03-0.08mm; the coaxiality can reach 0.1mm.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (10)
1. The utility model provides a high-efficient economic deep hole drilling cutter arbor, includes cutter arbor main part (2), establishes respectively drill rod tool bit (8) and cutter arbor stalk portion (1) at cutter arbor main part (2) both ends, its characterized in that, the tip central point of drill rod tool bit (8) puts and has seted up central drill mounting groove, central drill mounting groove interpolation is equipped with location center drill (4), be provided with on the drill rod tool bit (8) and be used for adjusting and fixing the mechanism of location center drill (4), the blade department of drill rod tool bit (8) is provided with a pair of symmetric distribution's alloy blade (6), the blade department of drill rod tool bit (8) sets up a pair of thread groove that is used for installing alloy blade (6), insert on alloy blade (6) be equipped with the thread groove forms threaded connection be used for with alloy blade (6) fixed mounting to blade department's blade locking screw (7), form 70-80 contained angle between the cutting edge of alloy blade (6) and the axial of cutter arbor main part (2).
2. An efficient and economical deep hole drill rod as defined in claim 1, characterized in that the cutting edge of said alloy blade (6) forms an angle of 78 ° with the axial direction of said rod body (2).
3. The efficient and economical deep hole drill tool bar according to claim 1, wherein the mechanism for adjusting and fixing the positioning center drill (4) comprises a plurality of threaded holes which are formed in the circumferential surface of the drill tool bit (8) and are linearly distributed and communicated with the center drill mounting groove, center drill adjusting screws (5) which are in threaded fit with the threaded holes and used for pressing and fixing the positioning center drill (4) are arranged in the threaded holes, and the exposed length of the drill bit of the positioning center drill (4) can be adjusted by sequentially screwing the center drill adjusting screws (5) after the positioning center drill (4) is inserted into the center drill mounting groove to a proper depth.
4. An efficient and economical deep hole drill rod as claimed in claim 1, characterized in that the diameter of the drill rod bit (8) is larger than the diameter of the rod body (2).
5. The efficient and economical deep hole drill rod as recited in claim 4, characterized in that a rod chip removal spiral groove (3) for discharging chips generated during drilling is formed on the circumferential surface of the rod body (2), and the bottom end of the rod chip removal spiral groove (3) extends to the cutting edge of the drill rod bit (8).
6. An efficient and economical deep hole drill rod as defined in claim 1, characterized in that the material of said rod body (2) is heavy metal.
7. An efficient and economical deep hole drill tool holder as defined in claim 1, characterized in that said alloy blade (6) is made of AO-type alloy.
8. An efficient and economical deep hole drill tool bar as defined in claim 1, wherein the positioning center drill (4) is made of powder high-speed steel.
9. An efficient and economical deep hole drill rod as claimed in claim 1, characterized in that the position where the rod body (2) meets the rod shank (1) is provided with a stepped rod locating end surface (11).
10. The efficient and economical deep hole drill rod as claimed in claim 5, wherein a threaded cooling connection port (9) for draining cooling liquid into the drill rod body (2) is formed in the center of the outer end of the rod shank (1), and a cooling water outlet (10) for draining the cooling liquid from the drill rod body (2) to the cutting edge is formed in the position, close to the cutting edge of the drill rod bit (8), of the rod chip removal spiral groove (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211597353.5A CN115889859A (en) | 2022-12-12 | 2022-12-12 | Efficient and economical deep hole drilling tool bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211597353.5A CN115889859A (en) | 2022-12-12 | 2022-12-12 | Efficient and economical deep hole drilling tool bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115889859A true CN115889859A (en) | 2023-04-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211597353.5A Pending CN115889859A (en) | 2022-12-12 | 2022-12-12 | Efficient and economical deep hole drilling tool bar |
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| Country | Link |
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| CN (1) | CN115889859A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2016316A (en) * | 1978-03-02 | 1979-09-26 | Komet Stahlhalter Werkzeug | Drilling tool for drilling holes in solid metal workpieces |
| CN202114310U (en) * | 2011-05-23 | 2012-01-18 | 绵阳市绵工工具有限公司 | Indexable cylindrical drill |
| CN203853588U (en) * | 2014-05-14 | 2014-10-01 | 潍柴重机股份有限公司 | Hole processing device |
| CN205629474U (en) * | 2016-04-22 | 2016-10-12 | 朱益鸣 | Toper is bored |
| DE212017000092U1 (en) * | 2017-09-08 | 2018-10-29 | Zhejiang Xinxing Tools Co.,Ltd. | Rotary cutting tool with exchangeable cutting head |
| CN213002849U (en) * | 2020-08-28 | 2021-04-20 | 大连金山压缩机制造有限公司 | Deep hole drill bit |
| CN215468327U (en) * | 2021-08-10 | 2022-01-11 | 山东华港智能科技有限公司 | Fine hole drill |
-
2022
- 2022-12-12 CN CN202211597353.5A patent/CN115889859A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2016316A (en) * | 1978-03-02 | 1979-09-26 | Komet Stahlhalter Werkzeug | Drilling tool for drilling holes in solid metal workpieces |
| CN202114310U (en) * | 2011-05-23 | 2012-01-18 | 绵阳市绵工工具有限公司 | Indexable cylindrical drill |
| CN203853588U (en) * | 2014-05-14 | 2014-10-01 | 潍柴重机股份有限公司 | Hole processing device |
| CN205629474U (en) * | 2016-04-22 | 2016-10-12 | 朱益鸣 | Toper is bored |
| DE212017000092U1 (en) * | 2017-09-08 | 2018-10-29 | Zhejiang Xinxing Tools Co.,Ltd. | Rotary cutting tool with exchangeable cutting head |
| CN213002849U (en) * | 2020-08-28 | 2021-04-20 | 大连金山压缩机制造有限公司 | Deep hole drill bit |
| CN215468327U (en) * | 2021-08-10 | 2022-01-11 | 山东华港智能科技有限公司 | Fine hole drill |
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