CN102950443A - Production method for C-shaped handle (four-groove square handle) drill bit - Google Patents
Production method for C-shaped handle (four-groove square handle) drill bit Download PDFInfo
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- CN102950443A CN102950443A CN2012104566847A CN201210456684A CN102950443A CN 102950443 A CN102950443 A CN 102950443A CN 2012104566847 A CN2012104566847 A CN 2012104566847A CN 201210456684 A CN201210456684 A CN 201210456684A CN 102950443 A CN102950443 A CN 102950443A
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Abstract
The invention relates to a production method for a C-shaped handle (four-groove square handle) drill bit. According to the production method, the technical problems of serious material waste, low production benefits, higher cost and the like in the production process of a traditional C-shaped handle drill bit are mainly solved. The production method comprises the following steps of: discharging, cold extrusion, milling of four circular grooves, milling of a chip discharging tank, milling of a cut, head grinding, marking, heat treatment, acid pickling, sand blasting, checking and packaging. The production method disclosed by the invention has the beneficial effects that raw materials with the same volume are cut off by calculating the volumes of a drill bit square handle and a drill rod, and raw materials placed in a special die are subjected to cold extrusion by using an extrusion machine to form the square handle and the drill rod of the drill bit, so that the cost of the materials can be reduced to the maximum extent, the cutting operation is reduced and the labor cost is reduced; and meanwhile, the consistency of technical indexes of products during batch production can be effectively ensured.
Description
Technical field
The present invention relates to a kind of production technology, relate in particular the production method of a kind of C type handle (four groove side's handles) drill bit, be mainly used in the production field of C type handle (four groove side's handles) drill bit.
Background technology
A.3 stipulated the parameters standard of C type handle (claiming again four groove side's handles) drill bit in the appendix A of standard GB/T/T 25672-2010, existing C type handle drill bit all is to come blanking by the finished product length of drill bit when producing basically, and the machineries such as recycling lathe, milling machine are processed.Because the material of drill bit is the alloy material, and the dimensional discrepancy of drilling rod and square handle is large, make drill bit according to this production technology, just need to come selection material with the drill bit maximum outside diameter, and the drilling rod place needs also to carry out a large amount of cutting operations through car, milling machine, so not only waste material, improved material cost, but also to pass through a large amount of lathe grinding operations, and reduced productivity effect, relatively increased production cost.
Summary of the invention
In order to solve existing C type handle drill bit in process of production, waste of material is serious, and the low cost that reaches of productivity effect is than the high-technology problem; The invention provides the production method of a kind of C type handle (four groove side's handles) drill bit, make C type handle drill bit by the method and not only can significantly save material, reduce the cutwork amount, simultaneously, also can improve the productivity effect of C type handle drill bit, can reduce production costs greatly.
For solving above technical problem, the technical scheme that the present invention takes is the production method of a kind of C type handle (four groove side's handles) drill bit, and it includes following steps:
A. blanking: the material of pressing the volume sum intercepting equal volume of drill bit side's handle and drilling rod;
B. cold extrusion: the material of intercepting is put into particular manufacturing craft, make material form square handle and the drilling rod of drill bit in particular manufacturing craft in-draw distortion by extruder extruding particular manufacturing craft;
C. mill four circular grooves: mill out draw-in groove by milling machine in four sides of square handle;
D. mill chip area: mill out spiral helicine chip area by milling machine at drilling rod;
E. milling mouth: the otch that utilizes slotting machine to cut out to place alloy cutter head in the end of drilling rod also is welded and fixed alloy cutter head and drilling rod;
F. bistrique: to the drilling rod termination in accordance with regulations angle polish and make the boring bar head angle meet user demand;
G. mark: get bit model and producer's sign at square handle with marking machine;
H. heat treatment: drill bit is put into the mechanical performance that salt bath furnace heats to improve drill bit;
I. pickling: drill bit is put into oxide or the corrosion thing that the aqueous solution is removed bit face;
J. sandblast: bit face is carried out surface cleanness and the raising mechanical performance of blasting treatment to improve drill bit;
K. test package: the drill bit indices is detected and packs according to technical standard.
Further, described raw material is put into six pairs of different particular manufacturing craft die cavities, and every pair of mould also carries out square handle and the drilling rod that cold extrusion forms drill bit by extruder respectively.
The invention has the beneficial effects as follows the raw material that intercepts equal volume by the volume that calculates drill bit side's handle and drilling rod, and utilize extruder that the raw material that is placed in the particular manufacturing craft is carried out square handle and the drilling rod that cold extrusion forms drill bit, so not only can farthest reduce material cost, reduce cutting operation, reduce cost of labor, simultaneously, also can effectively guarantee the uniformity of product technical indicator when batch production.
Description of drawings
Fig. 1 is the extruding schematic flow sheet of cold-extrusion technology in the embodiment of the invention
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present invention is described further:
The present invention is the production method of a kind of C type handle (four groove side's handles) drill bit, and it includes following steps:
A. blanking: calculate its volume by the appearance and size of measuring drill bit side's handle and drilling rod, intercept again the material of equal volume according to its volume; The external diameter of material is greater than the external diameter of drill bit maximum, and length is less than the length of drill bit;
B. cold extrusion: the material of intercepting is put into particular manufacturing craft, be provided with square handle and the drilling rod die cavity of drill bit in the mould, material is put into mould makes material stretcher strain formation drill bit with the cavity shape of mould again by extruder extruding particular manufacturing craft square handle and drilling rod;
C. mill four circular grooves: after material formed the blank of drill bit by cold extrusion, the recycling milling machine milled out draw-in groove in four sides of square handle;
D. mill chip area: mill out spiral helicine chip area by milling machine at drilling rod;
E. milling mouth: the otch that utilizes slotting machine to cut out to place alloy cutter head in the end of drilling rod also is welded and fixed alloy cutter head and drilling rod;
F. bistrique: to the drilling rod termination in accordance with regulations angle polish and make the boring bar head angle meet user demand;
G. mark: get bit model and producer's sign at square handle with marking machine;
H. heat treatment: drill bit is put into the mechanical performance that salt bath furnace heats to improve drill bit;
I. pickling: drill bit is put into oxide or the corrosion thing that the aqueous solution is removed bit face;
J. sandblast: bit face is carried out surface cleanness and the raising mechanical performance of blasting treatment to improve drill bit;
K. test package: the drill bit indices is detected and packs according to technical standard.
Mill four circular grooves, chip area, otch, bistrique, mark, heat treatment, pickling and sandblast identical with existing technique, belong to common process, those skilled in the art can arbitrarily obtain, and therefore, does not elaborate in the present embodiment.
In the present embodiment, described raw material is put into six pairs of different particular manufacturing craft die cavities, and every pair of mould also carries out square handle and the drilling rod that cold extrusion (as shown in Figure 1) forms drill bit by extruder respectively; Because the material of drill bit is the alloy material, and every technical parameter of drill bit side's handle and drilling rod must be produced according to GB, therefore, adopt many orders cold-extrusion technology to produce drill bit, the all technical that not only can guarantee drill bit complies with the national standard requirements, and simultaneously, also can save a large amount of cutting times, reduce material cost and artificial production cost, the uniformity of product when guaranteeing batch production.
Above-described embodiment should not be considered as limitation of the present invention, but any improvement of doing based on spirit of the present invention, all should be within protection scope of the present invention.
Claims (2)
1. the production method of a C type handle (four groove side's handles) drill bit, it includes following steps:
A. blanking: the material of pressing the volume sum intercepting equal volume of drill bit side's handle and drilling rod;
B. cold extrusion: the material of intercepting is put into particular manufacturing craft, make material form square handle and the drilling rod of drill bit in particular manufacturing craft in-draw distortion by extruder extruding particular manufacturing craft;
C. mill four circular grooves: mill out draw-in groove by milling machine in four sides of square handle;
D. mill chip area: mill out spiral helicine chip area by milling machine at drilling rod;
E. milling mouth: the otch that utilizes slotting machine to cut out to place alloy cutter head in the end of drilling rod also is welded and fixed alloy cutter head and drilling rod;
F. bistrique: to the drilling rod termination in accordance with regulations angle polish and make the boring bar head angle meet user demand;
G. mark: get bit model and producer's sign at square handle with marking machine;
H. heat treatment: drill bit is put into the mechanical performance that salt bath furnace heats to improve drill bit;
I. pickling: drill bit is put into oxide or the corrosion thing that the aqueous solution is removed bit face;
J. sandblast: bit face is carried out surface cleanness and the raising mechanical performance of blasting treatment to improve drill bit;
K. test package: the drill bit indices is detected and packs according to technical standard.
2. the production method of a kind of C type handle according to claim 1 (four groove side's handles) drill bit, it is characterized in that described raw material puts into six pairs of different particular manufacturing craft die cavities, every pair of mould also carries out square handle and the drilling rod that cold extrusion forms drill bit by extruder respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104566847A CN102950443A (en) | 2012-11-07 | 2012-11-07 | Production method for C-shaped handle (four-groove square handle) drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104566847A CN102950443A (en) | 2012-11-07 | 2012-11-07 | Production method for C-shaped handle (four-groove square handle) drill bit |
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|---|---|
| CN102950443A true CN102950443A (en) | 2013-03-06 |
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| CN2012104566847A Pending CN102950443A (en) | 2012-11-07 | 2012-11-07 | Production method for C-shaped handle (four-groove square handle) drill bit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103753163A (en) * | 2013-12-31 | 2014-04-30 | 梧州市三禾添佰利五金加工有限公司 | Woodworking cutting tool machining method |
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| GB442984A (en) * | 1934-08-18 | 1936-02-18 | Nat Machinery Co | Improvements in or relating to method of and apparatus for making bolts |
| CN2405678Y (en) * | 1999-05-29 | 2000-11-15 | 陈桓宁 | Forging-extruding one-time forming mould for drill bit and drill handle |
| DE19859885B4 (en) * | 1998-05-20 | 2005-06-16 | Robert Bosch Gmbh | Method for producing a drilling tool |
| CN101190493A (en) * | 2006-11-24 | 2008-06-04 | 徐道朋 | Method for preparing solid borer for pile driving |
| CN201482818U (en) * | 2009-09-14 | 2010-05-26 | 上海海隆石油管材研究所 | Extrusion die used for manufacturing aluminium drill pipe of internal upset and thickening protector |
| CN101793126A (en) * | 2009-02-02 | 2010-08-04 | 祖特斯塔股份公司 | Drill blank, drill bit and manufacture method thereof |
| CN102059511A (en) * | 2009-11-13 | 2011-05-18 | 中原特钢股份有限公司 | Production process of integral kelly stem |
| WO2011127046A1 (en) * | 2010-04-09 | 2011-10-13 | Illinois Tool Works Inc. | Method for producing a drill bit and drill bit manufactured thereby |
| CN102500798A (en) * | 2011-12-27 | 2012-06-20 | 苏州八美机电有限公司 | Drill semi-finished product and manufacturing method thereof |
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2012
- 2012-11-07 CN CN2012104566847A patent/CN102950443A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB442984A (en) * | 1934-08-18 | 1936-02-18 | Nat Machinery Co | Improvements in or relating to method of and apparatus for making bolts |
| DE19859885B4 (en) * | 1998-05-20 | 2005-06-16 | Robert Bosch Gmbh | Method for producing a drilling tool |
| CN2405678Y (en) * | 1999-05-29 | 2000-11-15 | 陈桓宁 | Forging-extruding one-time forming mould for drill bit and drill handle |
| CN101190493A (en) * | 2006-11-24 | 2008-06-04 | 徐道朋 | Method for preparing solid borer for pile driving |
| CN101793126A (en) * | 2009-02-02 | 2010-08-04 | 祖特斯塔股份公司 | Drill blank, drill bit and manufacture method thereof |
| CN201482818U (en) * | 2009-09-14 | 2010-05-26 | 上海海隆石油管材研究所 | Extrusion die used for manufacturing aluminium drill pipe of internal upset and thickening protector |
| CN102059511A (en) * | 2009-11-13 | 2011-05-18 | 中原特钢股份有限公司 | Production process of integral kelly stem |
| WO2011127046A1 (en) * | 2010-04-09 | 2011-10-13 | Illinois Tool Works Inc. | Method for producing a drill bit and drill bit manufactured thereby |
| CN102500798A (en) * | 2011-12-27 | 2012-06-20 | 苏州八美机电有限公司 | Drill semi-finished product and manufacturing method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103753163A (en) * | 2013-12-31 | 2014-04-30 | 梧州市三禾添佰利五金加工有限公司 | Woodworking cutting tool machining method |
| CN103753163B (en) * | 2013-12-31 | 2016-04-27 | 梧州市三禾添佰利五金加工有限公司 | A kind of processing method of wood cutter |
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Application publication date: 20130306 |