CN113059219A - Hard alloy drill bit and production method thereof - Google Patents
Hard alloy drill bit and production method thereof Download PDFInfo
- Publication number
- CN113059219A CN113059219A CN202110303011.7A CN202110303011A CN113059219A CN 113059219 A CN113059219 A CN 113059219A CN 202110303011 A CN202110303011 A CN 202110303011A CN 113059219 A CN113059219 A CN 113059219A
- Authority
- CN
- China
- Prior art keywords
- drill bit
- seat
- drill
- powder
- main
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/1035—Liquid phase sintering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/08—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
- C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
- C22C29/067—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds comprising a particular metallic binder
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
- C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
- C22C29/08—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F2005/001—Cutting tools, earth boring or grinding tool other than table ware
Abstract
A hard alloy drill bit and a production method thereof comprise a main drill bit, a drill bit seat, a rib, a drill tip, an auxiliary drill bit and a fixed bolt, wherein one end of the main drill bit is provided with the drill tip, the outer side of the drill tip is provided with the auxiliary drill bit, the auxiliary drill bit is arranged in a conical shape, the outer side of the auxiliary rotary edge is provided with an inclined plane, the other end of the auxiliary drill bit is connected with the rib, the rib is arranged in a conical shape, the other end of the main drill bit is connected with a fixed connecting seat, one end of the connecting seat is provided with a conical convex surface, the drill bit seat is connected through the conical convex surface, the connecting seat and the inner side of the drill bit seat are both provided with a wire inserting hole and fixedly connected with the fixed bolt, when an object is too hard, the blade can be broken, so that the cutting is troublesome, the continuous processing can be carried out through other, the blade can be reinstalled when the blade is completely damaged, reducing the replacement of the whole drill bit and consequently reducing the cost.
Description
Technical Field
The invention relates to a drill bit, in particular to a hard alloy drill bit and a production method thereof.
Background
The use of drill bit is popularized to various processing technologies, and in order to ensure the utility model of drill bit, then can adopt carbide to make, strengthen the hardness of drill bit, but carbide drill bit in the past can hardly meet some misoperation and too hard material and lead to the damage and the fracture of drill bit in the course of processing, and under such circumstances, the drill bit then needs to be changed, leads to the loss too big, and it also is difficult to process to run into on meeting some non-planar materials, and rotating equipment in the past when installing carbide drill bit, often can be too little in the inside size, and be difficult to install on rotating equipment.
Disclosure of Invention
Aiming at the technical defects, the invention provides a hard alloy drill bit and a production method thereof.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the hard alloy drill bit comprises a main drill bit body, a drill bit seat, a rib, a drill point, an auxiliary drill edge and a fixing bolt, wherein the drill point is arranged at one end of the main drill bit body, the auxiliary drill edge is arranged on the outer side of the drill point and is in a conical arrangement, an inclined plane is arranged on the outer side of the auxiliary rotary edge, the other end of the auxiliary drill edge is connected with the rib, the rib is in a conical arrangement, the other end of the main drill bit body is connected with a fixing connecting seat, a conical convex surface is arranged at one end of the connecting seat and is connected with the drill bit seat through the conical convex surface, and the inner sides of the connecting seat and the drill bit seat are provided with a wire inserting hole and are fixedly connected.
One end of a rib edge arranged on the outer side of the main drill bit is provided with a convex column and is fixedly connected with the inner side of the main drill bit through the convex column, and at least four rib edges are arranged.
The drill bit seat is characterized in that a circular groove is formed in the inner side of the drill bit seat and connected with a connecting seat arranged on a main drill bit through the circular groove, a conical groove is formed in one end of the circular groove and connected with a conical convex surface arranged on the outer side of the connecting seat, a limiting lug is arranged on the inner side of the drill bit seat and provided with at least four grooves and connected with the grooves arranged on the outer side of the connecting seat, and at least four rotating grooves are formed in one end of the outer side of the drill bit.
The drill bit seat and the connecting seat are respectively provided with a longitudinal through hole and a transverse through hole, the through holes are fixedly connected with the bolts, the outer sides of the bolts are provided with threads, and one ends of the bolts are provided with nuts and are in limit connection through the threads.
The rib edge and the auxiliary drill edge are both made of hard alloy and are connected with the outer side of the main drill bit through welding regulations.
The main drill bit and the drill point are fixedly arranged in an integrated mode, and the other end of the main drill bit is fixedly connected with the connecting seat through welding.
The outer side of the connecting seat is provided with at least four grooves which are symmetrically connected with limiting lugs arranged on the inner side of the drill bit seat.
The other end of the drill bit seat is connected with rotating equipment through a rotating groove.
The method comprises the steps of manufacturing a drill bit matrix in a mold bowl, fixedly arranging the manufactured sand core in the mold bowl, enabling the sand core to be in the shape of a drill bit crown, placing a hard alloy cutter head on the sand core, inserting one end, provided with a transverse groove and a longitudinal groove, of the drill bit matrix on the sand core in the mold bowl, filling prepared alloy powder into a gap between the drill bit matrix and the sand core after the drill bit matrix is fixed in position in the sand core in the mold bowl, then assembling a cylindrical upper mold sleeve on the mold bowl, sleeving the drill bit matrix in the upper mold sleeve, filling alloy particles into the upper mold sleeve, putting the filled mold bowl and the upper mold sleeve into a sintering furnace integrally after filling the gap between the drill bit matrix and the upper mold sleeve, heating to 1200 ℃ by electrifying, preserving heat for 6-8 hours, then powering off and cooling the sintering furnace, taking out the mold bowl and the upper mold sleeve after cooling, and opening the upper die sleeve, taking out the drill bit matrix, sintering and infiltrating the hard alloy cutter head, the melted alloy particles and the melted alloy powder into a drill bit crown according to the shape of the sand core, sintering and fixing the drill bit crown and the drill bit matrix into a whole, and forming the drill bit handle part by the cylindrical part of the drill bit matrix.
The application ratio of the gold powder to the alloy particles is 100: 70-80; the alloy powder comprises 75-83% of tungsten carbide powder, 14-16% of nickel powder and 4-8% of cobalt powder, which are uniformly mixed according to the proportion, wherein the tungsten carbide powder comprises 40-45% of 100-mesh fineness, 20-25% of 150-mesh fineness, 15-20% of 200-mesh fineness and 10-15% of 400-mesh fineness. Under high temperature in a sintering furnace, the nickel powder and the cobalt powder are melted to be used as adhesive, and the tungsten carbide powder is bonded and fixed on the drill bit substrate. The alloy grain contains 49-51% silver, 13-16% copper, 12-15% zinc, 10-15% cadmium, 3-6% nickel and 2-5% manganese.
The invention adopts two novel types of drill bits, wherein the drill bit of the invention adopts the arrangement of two sections of inclined planes, the penetrating surface in the drilling process of the drill bit can be strengthened, and the outer side of the drill bit is provided with four conical ribs which can drill and cut objects on the outer side, and the outer side ribs of the drill bit are arranged in the inclined planes, so that the insertion of the drill bit into the plane can be facilitated.
When the article is too hard, the blade can be broken to cause cutting trouble, the blade can be continuously processed through other tapered ribs, the replacement frequency is reduced, and the blade and the main drill bit are made of different hard alloys, so that the blade can be recycled when being completely damaged, the blade can be reinstalled, the replacement of the whole drill bit is reduced, and the cost is reduced.
The connecting seat is fixed by the two bolts, main drill bits with different sizes can be replaced, the four limiting lugs on the inner side of the drill bit seat can enhance the stability of the main drill bits, and finally, the conical head on the rear side of the connecting seat is connected with the conical groove of the drill bit seat, so that the connecting seat fixed by the bolts can be further stabilized, and the shaking during drilling is reduced.
At least four rotating grooves are formed in the right side of the drill bit seat, so that better fixation can be provided for rotating equipment.
Drawings
FIG. 1 is a schematic representation of a cemented carbide drill bit and method of producing the same.
FIG. 2 is an internal schematic view of a cemented carbide drill bit and method of producing the same.
FIG. 3 is a schematic representation of a master drill bit for a cemented carbide drill bit and method of producing the same.
Fig. 4 is a schematic view of the interior of a bit seat of a cemented carbide drill bit and a method of producing the same.
Fig. 5 is a left side view of a bit seat of a cemented carbide bit and a method of producing the same.
In the figure: the drill bit comprises a main drill bit 1, a drill bit seat 2, a rib 3, a drill tip 4, an auxiliary drill edge 5, a fixing bolt 6, a connecting seat 11, a wire inserting hole 12, a circular groove 21, a conical groove 22, a limiting lug 23 and a rotating groove 24.
Detailed Description
The cemented carbide drill and the method for producing the same according to the present invention will be described in detail with reference to the accompanying drawings.
The hard alloy drill and the production method thereof as shown in fig. 1 to 2, comprising a main drill 1, a drill seat 2, a rib 3, a drill tip 4, an auxiliary drill 5 and a fixing bolt 6, wherein one end of the main drill 1 is provided with the drill tip 4, the outer side of the drill tip 4 is provided with the auxiliary drill 5, the auxiliary drill 5 is arranged in a conical shape, the outer side of the auxiliary rotary 5 is provided with an inclined plane, the other end of the auxiliary drill 5 is connected with the rib 3, the rib 3 is arranged in a conical shape, the other end of the main drill 1 is connected with a fixing connection seat 11, one end of the connection seat 11 is provided with a conical convex surface and is connected with the drill seat 2 through the conical convex surface 22, the inner sides of the connection seat 11 and the drill seat 2 are both provided with an inserting hole 12 and are fixedly connected with the fixing bolt 6, one end of the rib 3 arranged on the outer side of the main drill 1 is provided with a convex column and is fixedly connected, the rib edges are provided with at least four, the inner side of the drill bit seat 2 is provided with a circular groove 21 and is connected with a connecting seat 11 arranged on the main drill bit 1 through the circular groove 21, one end of the circular groove 21 is provided with a conical groove 22 and is connected with a conical convex surface arranged on the outer side of the connecting seat 11, the inner side of the drill bit seat 2 is provided with a limiting lug 23, the limiting lug 23 is provided with at least four grooves and is connected with a groove arranged on the outer side of the connecting seat 11, one end of the outer side of the drill bit seat 2 is provided with at least four rotating grooves 24, the drill bit seat 2 and the connecting seat 11 are both provided with a longitudinal through hole and a transverse through hole, a bolt 6 is fixedly connected through the through hole, the outer side of the bolt 6 is provided with a thread, one end of the bolt 6 is provided with a nut and is in limiting connection through the thread, the rib, the main drill bit 1 and the drill tip 4 are fixedly arranged in an integrated mode, the other end of the main drill bit 1 is fixedly connected with the connecting seat 11 through welding, at least four grooves are formed in the outer side of the connecting seat 11 and are symmetrically connected with limiting lugs 23 arranged on the inner side of the drill bit seat 2, and the other end of the drill bit seat 2 is connected with rotating equipment through a rotating groove 24.
The method comprises the steps of manufacturing a drill bit matrix in a mold bowl, fixedly arranging the manufactured sand core in the mold bowl, enabling the sand core to be in the shape of a drill bit crown, placing a hard alloy cutter head on the sand core, inserting one end, provided with a transverse groove and a longitudinal groove, of the drill bit matrix on the sand core in the mold bowl, filling prepared alloy powder into a gap between the drill bit matrix and the sand core after the drill bit matrix is fixed in position in the sand core in the mold bowl, then assembling a cylindrical upper mold sleeve on the mold bowl, sleeving the drill bit matrix in the upper mold sleeve, filling alloy particles into the upper mold sleeve, putting the filled mold bowl and the upper mold sleeve into a sintering furnace integrally after filling the gap between the drill bit matrix and the upper mold sleeve, heating to 1200 ℃ by electrifying, preserving heat for 6-8 hours, then powering off and cooling the sintering furnace, taking out the mold bowl and the upper mold sleeve after cooling, and opening the upper die sleeve, taking out the drill bit matrix, sintering and infiltrating the hard alloy cutter head, the melted alloy particles and the melted alloy powder into a drill bit crown according to the shape of the sand core, sintering and fixing the drill bit crown and the drill bit matrix into a whole, and forming the drill bit handle part by the cylindrical part of the drill bit matrix.
The application ratio of the gold powder to the alloy particles is 100: 70-80; the alloy powder comprises 75-83% of tungsten carbide powder, 14-16% of nickel powder and 4-8% of cobalt powder, which are uniformly mixed according to the proportion, wherein the tungsten carbide powder comprises 40-45% of 100-mesh fineness, 20-25% of 150-mesh fineness, 15-20% of 200-mesh fineness and 10-15% of 400-mesh fineness. Under high temperature in a sintering furnace, the nickel powder and the cobalt powder are melted to be used as adhesive, and the tungsten carbide powder is bonded and fixed on the drill bit substrate. The alloy grain contains 49-51% silver, 13-16% copper, 12-15% zinc, 10-15% cadmium, 3-6% nickel and 2-5% manganese.
The invention adopts two novel types of drill bits, wherein the drill bit of the invention adopts the arrangement of two sections of inclined planes, the penetrating surface in the drilling process of the drill bit can be strengthened, and the outer side of the drill bit is provided with four conical ribs which can drill and cut objects on the outer side, and the outer side ribs of the drill bit are arranged in the inclined planes, so that the insertion of the drill bit into the plane can be facilitated.
When the article is too hard, the blade can be broken to cause cutting trouble, the blade can be continuously processed through other tapered ribs, the replacement frequency is reduced, and the blade and the main drill bit are made of different hard alloys, so that the blade can be recycled when being completely damaged, the blade can be reinstalled, the replacement of the whole drill bit is reduced, and the cost is reduced.
The connecting seat is fixed by the two bolts, main drill bits with different sizes can be replaced, the four limiting lugs on the inner side of the drill bit seat can enhance the stability of the main drill bits, and finally, the conical head on the rear side of the connecting seat is connected with the conical groove of the drill bit seat, so that the connecting seat fixed by the bolts can be further stabilized, and the shaking during drilling is reduced.
At least four rotating grooves are formed in the right side of the drill bit seat, so that better fixation can be provided for rotating equipment.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The hard alloy drill bit comprises a main drill bit (1), a drill bit seat (2), a rib edge (3), a drill tip (4), an auxiliary drill edge (5) and a fixing bolt (6), and is characterized in that: main drill bit (1) one end be provided with drill point (4), this drill point (4) outside is provided with supplementary brill limit (5), supplementary brill limit (5) be the toper setting, should assist and be provided with the inclined plane in the limit (5) outside, supplementary brill limit (5) other end connect rib (3), this rib (3) are the toper setting, fixed connection seat (11) are connected to main drill bit (1) the other end, this connecting seat (11) one end is provided with the toper convex surface to connect drill bit seat (2) through this toper convex surface (22), connecting seat (11) and drill bit seat (2) inboard all be provided with plug wire hole (12) to fixed connection fixing bolt (6).
2. A cemented carbide drill bit and a method of producing the same according to claim 1, characterized in that: one end of a rib edge (3) arranged on the outer side of the main drill bit (1) is provided with a convex column and is fixedly connected with the inner side of the main drill bit (1) through the convex column, and at least four rib edges are arranged.
3. A cemented carbide drill bit and a method of producing the same according to claim 1, characterized in that: drill bit seat (2) inboard be provided with circular slot (21) to connect connecting seat (11) that main drill bit (1) set up through circular slot (21), circular slot (21) one end be provided with toper recess (22) to connect the toper convex surface that the connecting seat (11) outside set up, drill bit seat (2) inboard be provided with spacing lug (23), this spacing lug (23) are provided with four at least, and connect the recess that the connecting seat (11) outside set up, drill bit seat (2) outside one end be provided with four at least rotation grooves (24).
4. A cemented carbide drill bit and a method of producing the same according to claim 1, characterized in that: the drill bit seat (2) and the connecting seat (11) are respectively provided with a longitudinal through hole and a transverse through hole, the through holes are fixedly connected with the bolts (6), the outer sides of the bolts (6) are provided with threads, and one end of each bolt (6) is provided with a nut and is in limit connection through the threads.
5. A cemented carbide drill bit and a method of producing the same according to claim 1, characterized in that: the rib edge (3) and the auxiliary drill edge (5) are both made of hard alloy and are connected with the outer side of the main drill bit (1) through welding regulations.
6. A cemented carbide drill bit and a method of producing the same according to claim 1, characterized in that: main drill bit (1) all adopt the fixed setting of integral type with drill point (4), this main drill bit (1) other end is through weld fixture joint seat (11).
7. A cemented carbide drill bit and a method of producing the same according to claim 1, characterized in that: the outer side of the connecting seat (11) is provided with at least four grooves which are symmetrically connected with limiting lugs (23) arranged on the inner side of the drill bit seat (2).
8. A cemented carbide drill bit and a method of producing the same according to claim 1, characterized in that: the other end of the drill bit seat (2) is connected with a rotating device through a rotating groove (24).
9. A cemented carbide drill bit and a method of producing the same according to claim 1, characterized in that: the method comprises the steps of manufacturing a drill bit matrix in a mold bowl, fixedly arranging the manufactured sand core in the mold bowl, enabling the sand core to be in the shape of a drill bit crown, placing a hard alloy cutter head on the sand core, inserting one end, provided with a transverse groove and a longitudinal groove, of the drill bit matrix on the sand core in the mold bowl, filling prepared alloy powder into a gap between the drill bit matrix and the sand core after the drill bit matrix is fixed in position in the sand core in the mold bowl, then assembling a cylindrical upper mold sleeve on the mold bowl, sleeving the drill bit matrix in the upper mold sleeve, filling alloy particles into the upper mold sleeve, putting the filled mold bowl and the upper mold sleeve into a sintering furnace integrally after filling the gap between the drill bit matrix and the upper mold sleeve, heating to 1200 ℃ by electrifying, preserving heat for 6-8 hours, then powering off and cooling the sintering furnace, taking out the mold bowl and the upper mold sleeve after cooling, and opening the upper die sleeve, taking out the drill bit matrix, sintering and infiltrating the hard alloy cutter head, the melted alloy particles and the melted alloy powder into a drill bit crown according to the shape of the sand core, sintering and fixing the drill bit crown and the drill bit matrix into a whole, and forming the drill bit handle part by the cylindrical part of the drill bit matrix.
10. A cemented carbide drill bit and a method of producing the same according to claim 1, characterized in that: the application ratio of the gold powder to the alloy particles is 100: 70-80; the alloy powder comprises 75-83% of tungsten carbide powder, 14-16% of nickel powder and 4-8% of cobalt powder, which are uniformly mixed according to the proportion, wherein in the tungsten carbide powder, 40-45% of 100 meshes, 20-25% of 150 meshes, 15-20% of 200 meshes and 10-15% of 400 meshes are melted in a sintering furnace at high temperature, the nickel powder and the cobalt powder are used as adhesives, the tungsten carbide powder is bonded and fixed on a drill bit matrix, and the metal element components of the alloy particles comprise 49-51% of silver, 13-16% of copper, 12-15% of zinc, 10-15% of cadmium, 3-6% of nickel and 2-5% of manganese.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110303011.7A CN113059219A (en) | 2021-03-22 | 2021-03-22 | Hard alloy drill bit and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110303011.7A CN113059219A (en) | 2021-03-22 | 2021-03-22 | Hard alloy drill bit and production method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113059219A true CN113059219A (en) | 2021-07-02 |
Family
ID=76563136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110303011.7A Pending CN113059219A (en) | 2021-03-22 | 2021-03-22 | Hard alloy drill bit and production method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113059219A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201645573U (en) * | 2009-12-18 | 2010-11-24 | 昆山兼房高科技刀具有限公司 | Detachable drill bit device |
| CN204398014U (en) * | 2015-01-28 | 2015-06-17 | 浙江浪潮精密机械有限公司 | Sky cutter got by a kind of spiral |
| CN204492664U (en) * | 2015-02-03 | 2015-07-22 | 福建省邵武煤矿机具厂 | Water exploring drill head |
| CN106312117A (en) * | 2016-11-19 | 2017-01-11 | 丹阳市杰锐特种工具制造有限公司 | Novel drill bit device |
| CN206030254U (en) * | 2016-08-25 | 2017-03-22 | 广州诺钻科技有限公司 | Drill bit structure |
| CN108941701A (en) * | 2018-08-28 | 2018-12-07 | 山东托普森金刚石钻头有限公司 | A kind of heat-resistant antifriction integral type strengthens drill bit and preparation method thereof |
| CN109136435A (en) * | 2018-09-30 | 2019-01-04 | 山东托普森金刚石钻头有限公司 | A kind of blast furnace casting mouth of a river perforating disjunctor cross formula drill bit and preparation method thereof |
| CN209424600U (en) * | 2018-12-29 | 2019-09-24 | 奥斯机(上海)精密工具有限公司 | A kind of stainless steel, titanic alloy machining carbide drill |
| CN211135666U (en) * | 2019-12-24 | 2020-07-31 | 常州科力源工具有限公司 | Drilling and milling cutter convenient for replacing blade |
| CN211516181U (en) * | 2019-11-11 | 2020-09-18 | 徐州永冠铸业有限公司 | Composite drill capable of deeply drilling |
| CN212398121U (en) * | 2020-04-23 | 2021-01-26 | 金堆城钼业股份有限公司 | Rotary scraper |
-
2021
- 2021-03-22 CN CN202110303011.7A patent/CN113059219A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201645573U (en) * | 2009-12-18 | 2010-11-24 | 昆山兼房高科技刀具有限公司 | Detachable drill bit device |
| CN204398014U (en) * | 2015-01-28 | 2015-06-17 | 浙江浪潮精密机械有限公司 | Sky cutter got by a kind of spiral |
| CN204492664U (en) * | 2015-02-03 | 2015-07-22 | 福建省邵武煤矿机具厂 | Water exploring drill head |
| CN206030254U (en) * | 2016-08-25 | 2017-03-22 | 广州诺钻科技有限公司 | Drill bit structure |
| CN106312117A (en) * | 2016-11-19 | 2017-01-11 | 丹阳市杰锐特种工具制造有限公司 | Novel drill bit device |
| CN108941701A (en) * | 2018-08-28 | 2018-12-07 | 山东托普森金刚石钻头有限公司 | A kind of heat-resistant antifriction integral type strengthens drill bit and preparation method thereof |
| CN109136435A (en) * | 2018-09-30 | 2019-01-04 | 山东托普森金刚石钻头有限公司 | A kind of blast furnace casting mouth of a river perforating disjunctor cross formula drill bit and preparation method thereof |
| CN209424600U (en) * | 2018-12-29 | 2019-09-24 | 奥斯机(上海)精密工具有限公司 | A kind of stainless steel, titanic alloy machining carbide drill |
| CN211516181U (en) * | 2019-11-11 | 2020-09-18 | 徐州永冠铸业有限公司 | Composite drill capable of deeply drilling |
| CN211135666U (en) * | 2019-12-24 | 2020-07-31 | 常州科力源工具有限公司 | Drilling and milling cutter convenient for replacing blade |
| CN212398121U (en) * | 2020-04-23 | 2021-01-26 | 金堆城钼业股份有限公司 | Rotary scraper |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0995876B1 (en) | Methods of manufacturing rotary drill bits | |
| US5101692A (en) | Drill bit or corehead manufacturing process | |
| US20140321931A1 (en) | Hybrid cutting tool, chip transporting portion and process for producing a cutting tool | |
| US4499795A (en) | Method of drill bit manufacture | |
| US5425288A (en) | Manufacture of rotary drill bits | |
| US5184926A (en) | Root-strength drill bit and method of making | |
| US20050103533A1 (en) | Cutting element retention apparatus for use in steel body rotary drill bits, steel body rotary drill bits so equipped, and method of manufacture and repair therefor | |
| US5033559A (en) | Drill bit with faceted profile | |
| CN205967542U (en) | Integrative cutter of rimer | |
| CN207709958U (en) | Bore milling ream integrated cutter | |
| US11035175B2 (en) | Drill bit body construction | |
| CN110744108B (en) | Method for machining drill bit with edge-inclined groove structure for machining composite material | |
| CN113059219A (en) | Hard alloy drill bit and production method thereof | |
| US9708858B2 (en) | Methods to repair worn or eroded PDC cutters, cutters so repaired, and use of repaired PDC cutters in drill bits or other tools | |
| CN209110201U (en) | A kind of superhard cutter | |
| CN209736661U (en) | Welded superhard blade | |
| CN105246629B (en) | The rotary cutting tool of cutting edge with multiple material | |
| CN101362277A (en) | Manufacture method of composite screw | |
| CN108941701A (en) | A kind of heat-resistant antifriction integral type strengthens drill bit and preparation method thereof | |
| CN210164432U (en) | Polycrystalline diamond compact bit and petroleum drilling equipment with same | |
| CN112118933B (en) | Tool blank with lines and drilling tool | |
| CN207057689U (en) | A kind of alloy cutter head for being easy to welding | |
| CN109136435A (en) | A kind of blast furnace casting mouth of a river perforating disjunctor cross formula drill bit and preparation method thereof | |
| CN112276188A (en) | Combined hard alloy end milling cutter | |
| CN218591965U (en) | PCD (polycrystalline Diamond) forming reamer for processing new energy electrically driven shell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210702 |
|
| RJ01 | Rejection of invention patent application after publication |