CN105522202A - Drill drilling and integrated moulding chamfering device - Google Patents
Drill drilling and integrated moulding chamfering device Download PDFInfo
- Publication number
- CN105522202A CN105522202A CN201610076206.1A CN201610076206A CN105522202A CN 105522202 A CN105522202 A CN 105522202A CN 201610076206 A CN201610076206 A CN 201610076206A CN 105522202 A CN105522202 A CN 105522202A
- Authority
- CN
- China
- Prior art keywords
- drill bit
- chamfering
- chamfering device
- body molded
- punches
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005553 drilling Methods 0.000 title abstract description 8
- 238000000465 moulding Methods 0.000 title abstract 4
- 239000000956 alloy Substances 0.000 claims description 9
- 229910045601 alloy Inorganic materials 0.000 claims description 9
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 238000004080 punching Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003913 materials processing Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/08—Drills combined with tool parts or tools for performing additional working
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/40—Flutes, i.e. chip conveying grooves
- B23B2251/408—Spiral grooves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
Abstract
The invention provides a drill drilling and integrated moulding chamfering device, and relates to the field of metal processing. The drill drilling and integrated moulding chamfering device comprises a fixing part, a connecting part and a chamfering part, wherein the inner side of the fixing part is provided with an internal thread which is matched with a spiral chip removal groove of a drill; one end of the connecting part is fixedly connected with an end part of the fixing part, and the other end of the connecting part is fixedly connected with one end of the chamfering part; the inner diameter of the connecting part is not less than the outer diameter of the drill; the other end of the chamfering part is a chamfering inclined plane; the chamfering inclined plane extends into the spiral chip removal groove, and the inner side of the chamfering part is matched with the spiral chip removal groove of the drill. The drill drilling and integrated moulding chamfering device disclosed by the invention solves the technical problems that drilling and chamfering for holes need to be carried out separately, and the processing efficiency is low in the prior art.
Description
Technical field
The present invention relates to five metals manufacture field, especially relate to a kind of drill bit and to punch one-body molded chamfering device.
Background technology
In prior art, boring needs various drill bit, and drill bit (Drills) goes out through hole or blind hole in order to drilling on solid material, and can to the cutter of existing hole reaming.Conventional drill bit mainly contains fluted drill, chit drill, centre drill, depth drill and cylindrical drill.
Drill bit top is most advanced and sophisticated, and the knife bar of rotary head is provided with helical flute, for discharging scrap when holing.After bit drills is complete, then pour out fillet with chamfering device.
The boring of prior art and chamfering are carried out respectively, namely first punch, follow-up chamfering again, and drill bit is processed, punching that can only be pure, can not process chamfering disposable for the end face in aperture, such working (machining) efficiency is low, can not one-shot forming, must secondary clamping chamfering device, easily produce step.
Based on this, the invention provides a kind of drill bit and punch one-body molded chamfering device to solve above-mentioned technical problem.
Summary of the invention
The object of the present invention is to provide a kind of drill bit to punch one-body molded chamfering device, dig must separately carry out with chamfering with the brill solving hole of the prior art, working (machining) efficiency is slow, easily produces the technical problem of step.
Provide a kind of drill bit in an embodiment of the present invention to punch one-body molded chamfering device, the described drill bit one-body molded chamfering device that punches comprises fixed part, connecting portion and chamfered section;
The inner side of described fixed part is provided with internal thread, and described internal thread mates with the helical flute of drill bit;
One end of described connecting portion and the end of described fixed part affixed, the other end of described connecting portion and one end of described chamfered section affixed; The internal diameter of described connecting portion is not less than the external diameter of described drill bit;
The other end of described chamfered section is chamfering inclined-plane; Described chamfering inclined-plane extends in described helical flute, and the inner side of described chamfered section is mated with the helical flute of described drill bit.
Optionally, described fixed part is cylindrical.
Columniform fixed part is convenient to processing, and structure is simple, and processing charges is low, and processing cost is low.
Optionally, the lateral surface of the lateral surface of described chamfered section, the lateral surface of described connecting portion and described fixed part is coplanar.
Be set to coplanar by the lateral surface of the lateral surface of described chamfered section, described connecting portion and the lateral surface of described fixed part, one processing, is convenient to processing.
Optionally, the external diameter of described cylindrical portion is not less than the twice of described outside diameter.
Cylindrical portion should have larger diameter, thus makes inclined plane have longer length, thus can pour out the width needed for chamfering when chamfering.
Optionally, the medial surface of described connecting portion is arcwall face.
The medial surface of described connecting portion is arcwall face, abuts with the lateral surface of drill bit, is convenient to processing, is also convenient to fix.
Optionally, the length of described fixed part is 10mm.
The length of fixed part can not be long, otherwise easily rupture in chamfer process, also unsuitable too short, too short, not easily fix, 10mm is a preferably conventional length, certainly, also different length be can select as required, drill bit and the drilling machine of different series adapted to.
Optionally, the lift angle of described internal thread is 30 degree.
30 degree is the lift angle of the common helical flute of drill bit, can with the drill bit of most of specification with the use of.Certainly, in order to mate the drill bit of different series different size, the lead angle of described internal thread also can be arranged to remaining angle.
Optionally, the gradient on described chamfering inclined-plane is 45 degree.
The angle of inclination of 45 degree is common chamfer angle, meets the processing needs in hole in most cases.Certainly, in order to process the chamfering of different angles, the gradient on described chamfering inclined-plane also can be arranged to remaining angle.
Optionally, the chamfering inclined-plane of described chamfering device is inlaid with hard alloy layer.
For the hole of processing soft iron material, chamfering device can adopt same materials processing to make with drill bit, and when firmly expecting for processing, described chamfering inclined-plane can be inlayed tungsten hard alloy layer, improves hardness, to extend the service life of chamfering utensil
Optionally, described hard alloy layer adopts wolfram steel to make.
Wolfram steel is conventional carbide alloy, has enough hardness, not easy to wear, has extremely long service life.
Described drill bit provided by the invention punches one-body molded chamfering device, in use, first fixed part is enclosed within the tip of drill bit, because the described internal thread of fixed part inside mates with the helical flute of drill bit, and the inner side of chamfered section is mated with the helical flute of described drill bit, therefore, whole chamfering device upwards can screw in along the helical flute of drill bit, until be screwed into the required degree of depth, then by drill bit and fixed part and be fixed on puncher, punch, after drill bit forwards certain depth to, the chamfering inclined-plane of chamfering device starts the edge and then the beginning chamfering that touch hole, finally, drill bit gets into the required degree of depth, chamfering device is also by the angle needed for the inversion of angle.
Described drill bit provided by the invention punches one-body molded chamfering device, chamfering device and drill bit are fixed together, drill bit punching one-shot forming orifice chamfer, avoid clamping chamfering again after punching, do not need secondary clamping, enhance productivity, and described chamfering inclined-plane extends in described helical flute, get into certain depth direct chamfering later, thus can not leave step during chamfering.
Based on this, the present invention, than original technology, has working (machining) efficiency high, and chamfering can not leave the advantage of step.
Accompanying drawing explanation
In order to be illustrated more clearly in the specific embodiment of the invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in detailed description of the invention or description of the prior art below, apparent, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation after chamfering device and drill bit are assembled;
Fig. 2 is the front view after chamfering device and drill bit are assembled.
Reference numeral:
1-fixed part; 2-connecting portion;
3-chamfered section; 4-drill bit;
5-helical flute 6-chamfering inclined-plane.
Detailed description of the invention
Be clearly and completely described technical scheme of the present invention below in conjunction with accompanying drawing, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In describing the invention, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or the connection of one; Can be mechanical connection, also can be that electric welding connects; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
Embodiment one
As shown in Figure 1-2, provide a kind of drill bit in the present embodiment and to punch one-body molded chamfering device, the described drill bit one-body molded chamfering device that punches comprises fixed part 1, connecting portion 2 and chamfered section 3;
The inner side of described fixed part 1 is provided with internal thread, and described internal thread mates with the helical flute 5 of drill bit 4;
One end of described connecting portion 2 and the end of described fixed part 1 affixed, the other end of described connecting portion 2 and one end of described chamfered section 3 affixed; The internal diameter of described connecting portion 2 is not less than the external diameter of described drill bit 4;
The other end of described chamfered section 3 is chamfering inclined-plane 6; Described chamfering inclined-plane 6 extends in described helical flute 5, and the inner side of described chamfered section 3 is mated with the helical flute 5 of described drill bit 4.
Described drill bit provided by the invention punches one-body molded chamfering device, in use, first fixed part 1 is enclosed within the tip of drill bit 4, because the described internal thread of fixed part 1 inside mates with the helical flute 5 of drill bit 4, and the inner side of chamfered section 3 is mated with the helical flute 5 of described drill bit 4, therefore, whole chamfering device upwards can screw in along the helical flute 5 of drill bit 4, until be screwed into the required degree of depth, then by drill bit 4 and fixed part 1 be fixed on puncher, punch, after drill bit 4 forwards certain depth to, the chamfering inclined-plane 6 of chamfering device starts the edge and then the beginning chamfering that touch hole, finally, drill bit 4 gets into the required degree of depth, chamfering device is also by the angle needed for the inversion of angle.
Described drill bit provided by the invention punches one-body molded chamfering device, chamfering device and drill bit 4 are fixed together, drill bit punching one-shot forming orifice chamfer, avoid clamping chamfering again after punching, do not need secondary clamping, enhance productivity, and described chamfering inclined-plane 6 extends in described helical flute 5, get into certain depth direct chamfering later, thus can not leave step during chamfering.
And chamfering device, belongs to easily-consumed products, can carry out producing in batches and changing, production cost is low.The chamfering device of the application, structure is simple, can be mass-produced, is applicable to the drill bit of each model of multi-series.
Based on this, the present invention, than original technology, has working (machining) efficiency high, and chamfering can not leave the advantage of step.
As Fig. 1-2, in the possibility of the present embodiment, described fixed part 1 is cylindrical.
Columniform fixed part 1 is convenient to processing, and structure is simple, and processing charges is low, and processing cost is low.
Further, the lateral surface of the lateral surface of described chamfered section 3, the lateral surface of described connecting portion 2 and described fixed part 1 is coplanar.
Be set to coplanar by the lateral surface of the lateral surface of described chamfered section 3, the lateral surface of described connecting portion 2 and described fixed part 1, one processing, is convenient to processing.
Further, the external diameter of described cylindrical portion is not less than the twice of described outside diameter.
Cylindrical portion should have larger diameter, thus makes inclined plane have longer length, thus can pour out the width needed for chamfering when chamfering.
In the possibility of the present embodiment, the medial surface of described connecting portion 2 is arcwall face.
The medial surface of described connecting portion 2 is arcwall face, abuts with the lateral surface of drill bit 4, is convenient to processing, is also convenient to fix.
In the possibility of the present embodiment, the length of described fixed part 1 is 10mm.
The length of fixed part 1 can not be long, otherwise easily rupture in chamfer process, also unsuitable too short, too short, not easily fix, 10mm is a preferably conventional length, certainly, also different length be can select as required, drill bit and the drilling machine of different series adapted to.
In the possibility of the present embodiment, the lift angle of described internal thread is 30 degree.
30 degree is the lift angle of the common helical flute of drill bit, can with the drill bit of most of specification with the use of.Certainly, in order to mate the drill bit of different series different size, the lead angle of described internal thread also can be arranged to remaining angle.
In the possibility of the present embodiment, the gradient on described chamfering inclined-plane is 45 degree.
The angle of inclination of 45 degree is common chamfer angle, meets the processing needs in hole in most cases.Certainly, in order to process the chamfering of different angles, the gradient on described chamfering inclined-plane also can be arranged to remaining angle.
Embodiment two
Embodiment two also provides a kind of drill bit and to punch one-body molded chamfering device, and this embodiment is the further improvement on the basis of embodiment one, and the technical scheme described by embodiment one also belongs to this embodiment.
Specifically, provide a kind of drill bit in the present embodiment and to punch one-body molded chamfering device, the described drill bit one-body molded chamfering device that punches comprises fixed part, connecting portion and chamfered section;
The inner side of described fixed part is provided with internal thread, and described internal thread mates with the helical flute of drill bit;
One end of described connecting portion and the end of described fixed part affixed, the other end of described connecting portion and one end of described chamfered section affixed; The internal diameter of described connecting portion is not less than the external diameter of described drill bit;
The other end of described chamfered section is chamfering inclined-plane; Described chamfering inclined-plane extends in described spiral discharge launder, and the inner side of described chamfered section is mated with the helical flute of described drill bit; The chamfering inclined-plane of described chamfering device is inlaid with hard alloy layer.
For the hole of processing soft iron material, this chamfering device can adopt same materials processing to make with drill bit, and when processing is expected firmly, can tungsten carbide button's layer on described chamfering inclined-plane, improve hardness, make chamfering device more wear-resisting, to extend the service life of this chamfering utensil.
Preferably, described hard alloy layer adopts wolfram steel to make.
Wolfram steel is conventional carbide alloy, has enough hardness, not easy to wear, has extremely long service life.
In the possibility of the present embodiment, described connecting portion and described chamfered section are all set to two, and two described chamfered parts list in the both sides of drill bit.
Arrange two chamfered section, the life-span of use is longer, extends the service time of whole chamfering device.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. drill bit punches an one-body molded chamfering device, it is characterized in that, comprises fixed part, connecting portion and chamfered section;
The inner side of described fixed part is provided with internal thread, and described internal thread mates with the helical flute of drill bit;
One end of described connecting portion and the end of described fixed part affixed, the other end of described connecting portion and one end of described chamfered section affixed; The internal diameter of described connecting portion is not less than the external diameter of described drill bit;
The other end of described chamfered section is chamfering inclined-plane; Described chamfering inclined-plane extends in described helical flute, and the inner side of described chamfered section is mated with the helical flute of described drill bit.
2. drill bit according to claim 1 punches one-body molded chamfering device, and it is characterized in that, described fixed part is cylindrical.
3. drill bit according to claim 2 punches one-body molded chamfering device, and it is characterized in that, the lateral surface of the lateral surface of described chamfered section, the lateral surface of described connecting portion and described fixed part is coplanar.
4. drill bit according to claim 3 punches one-body molded chamfering device, and it is characterized in that, the external diameter of described cylindrical portion is not less than the twice of described outside diameter.
5. drill bit according to claim 1 punches one-body molded chamfering device, and it is characterized in that, the medial surface of described connecting portion is arcwall face.
6. drill bit according to claim 1 punches one-body molded chamfering device, and it is characterized in that, the length of described fixed part is 10mm.
7. drill bit according to claim 1 punches one-body molded chamfering device, and it is characterized in that, the lift angle of described internal thread is 30 degree.
8. drill bit according to claim 1 punches one-body molded chamfering device, and it is characterized in that, the gradient on described chamfering inclined-plane is 45 degree.
9. the drill bit according to any one of claim 1-8 punches one-body molded chamfering device, it is characterized in that, the chamfering inclined-plane of described chamfering device is inlaid with hard alloy layer.
10. drill bit according to claim 9 punches one-body molded chamfering device, it is characterized in that, described hard alloy layer adopts wolfram steel to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610076206.1A CN105522202A (en) | 2016-02-03 | 2016-02-03 | Drill drilling and integrated moulding chamfering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610076206.1A CN105522202A (en) | 2016-02-03 | 2016-02-03 | Drill drilling and integrated moulding chamfering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105522202A true CN105522202A (en) | 2016-04-27 |
Family
ID=55764915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610076206.1A Pending CN105522202A (en) | 2016-02-03 | 2016-02-03 | Drill drilling and integrated moulding chamfering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105522202A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0453613A (en) * | 1990-06-20 | 1992-02-21 | Omi Kogyo Co Ltd | Chamfering cutter |
| JP2003117711A (en) * | 2001-10-18 | 2003-04-23 | Toshiba Tungaloy Co Ltd | Chamfering adaptor |
| KR20110103066A (en) * | 2010-03-12 | 2011-09-20 | 우종명 | Drilling Reamer Tools for Machining Automotive Tolerance Parts |
| CN202921981U (en) * | 2012-11-02 | 2013-05-08 | 周现荣 | Drill bit capable of chamfering |
| CN203227851U (en) * | 2012-12-14 | 2013-10-09 | 天津建筑机械厂 | Special chamfering ring cutter for shallow hole drill |
| CN205551567U (en) * | 2016-02-03 | 2016-09-07 | 苏州市博霆精密五金有限公司 | Drill bit integrated into one piece chamfer ware that punches |
-
2016
- 2016-02-03 CN CN201610076206.1A patent/CN105522202A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0453613A (en) * | 1990-06-20 | 1992-02-21 | Omi Kogyo Co Ltd | Chamfering cutter |
| JP2003117711A (en) * | 2001-10-18 | 2003-04-23 | Toshiba Tungaloy Co Ltd | Chamfering adaptor |
| KR20110103066A (en) * | 2010-03-12 | 2011-09-20 | 우종명 | Drilling Reamer Tools for Machining Automotive Tolerance Parts |
| CN202921981U (en) * | 2012-11-02 | 2013-05-08 | 周现荣 | Drill bit capable of chamfering |
| CN203227851U (en) * | 2012-12-14 | 2013-10-09 | 天津建筑机械厂 | Special chamfering ring cutter for shallow hole drill |
| CN205551567U (en) * | 2016-02-03 | 2016-09-07 | 苏州市博霆精密五金有限公司 | Drill bit integrated into one piece chamfer ware that punches |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160427 |
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