CN107457916A - Abrasive drilling dual-purpose multifunctional diamond grooved bit - Google Patents
Abrasive drilling dual-purpose multifunctional diamond grooved bit Download PDFInfo
- Publication number
- CN107457916A CN107457916A CN201710839299.3A CN201710839299A CN107457916A CN 107457916 A CN107457916 A CN 107457916A CN 201710839299 A CN201710839299 A CN 201710839299A CN 107457916 A CN107457916 A CN 107457916A
- Authority
- CN
- China
- Prior art keywords
- diamond
- thin
- walled drill
- grooved bit
- titanium
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/14—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling
- B28D1/146—Tools therefor
-
- 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
- B22F3/12—Both compacting and sintering
- B22F3/14—Both compacting and sintering simultaneously
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
- C22C38/105—Ferrous alloys, e.g. steel alloys containing cobalt containing Co and Ni
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- 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
- B22F3/12—Both compacting and sintering
- B22F3/14—Both compacting and sintering simultaneously
- B22F2003/145—Both compacting and sintering simultaneously by warm compacting, below debindering temperature
Abstract
The present invention relates to a kind of abrasive drilling dual-purpose multifunctional diamond grooved bit, belong to the technical field of diamond tool.The abrasive drilling dual-purpose multifunctional diamond grooved bit of the present invention, including thin-walled drill base, thin-walled drill base include thin-walled drill base and thin-walled drill body；Soldering has the diamond segment of monoblock type on thin-walled drill body, and multiple diamond sanding blocks have been positioned apart from the upper surface of thin-walled drill base, and the angle a between diamond sanding block and thin-walled drill body is obtuse angle.The diamond grooved bit of the present invention can once complete the punching of stone material and bruting process, significantly improve processing efficiency；The diamond segment of use goes out that sword speed is fast, strong to the hold of diamond so that diamond particles can keep higher height of protrusion, and the imagination to come off will not occur to early, and disclosure satisfy that the requirement to the stone material high-speed drilling such as granite, marble.
Description
Technical field
The present invention relates to the technical field of diamond tool, it is more particularly related to a kind of dual-purpose more work(of abrasive drilling
Can diamond grooved bit.
Background technology
In building trade, diamond grooved bit is widely used to the material such as granite, marble, concrete, ceramics brill
In hole machined production activity.Such as bathroom washing basin drainage hole perforate, granite face drilling etc..Traditional diamond grooved bit
Mostly using tooth is divided, single cutter head bonding area is small, and welding formidable opponent is low, and easily fall tooth causes thin-walled drill can not in drilling process
Work is even scrapped.Need to repeat to polish from grinding head in addition for drilling in the prior art.It is existing by taking bathroom part as an example
Thin-walled drill in technology is only used for drilling, if needing device to hole edge further to repair, is polished into certain taper and is easily installed bathroom
Lower water accessory, which is required for matching somebody with somebody reamer in addition, further to be repaired, and technological operation is cumbersome.In addition, the rate of penetration of diamond grooved bit
Also seriously restricted by diamond segment, for the boring procedure of the stone materials such as granite or marble, in high speed drilling condition
Diamond is easily caused to be polished or polish down, or even the morning of occurrence of large-area takes off phenomenon, causes service life to significantly reduce.
The content of the invention
In order to obtain the combination property for having good sharpness, service life and load-carrying properties concurrently, the invention provides one kind
Abrasive drilling dual-purpose multifunctional diamond grooved bit.
In order to realize foregoing invention purpose, present invention employs following technical scheme：
A kind of abrasive drilling dual-purpose multifunctional diamond grooved bit, including thin-walled drill base, it is characterised in that：The thin-walled drilling pipe
Seat includes thin-walled drill base, and the thin-walled drill body on the thin-walled drill base；There is soldering on the thin-walled drill body
The diamond segment of monoblock type, multiple diamond sanding blocks have been positioned apart from the upper surface of the thin-walled drill base；And
Angle a between the diamond sanding block and thin-walled drill body is obtuse angle.
Wherein, the installation portion coordinated with rotating shaft is provided with the thin-walled drill base, the installation portion is from the thin-walled drill
The bottom of base is extended in the bottom of the thin-walled drill body.
Preferably, the angle a between the diamond sanding block and thin-walled drill body meets：100 °≤a≤150 °,
More preferably angle a meets：120°≤a≤150°.
Preferably, the diamond segment is cylindrical annular cutter head, and thereon formed with cutting slot, the cutting
The height of groove is the 1/5~1/3 of the cylindrical annular cutter head height.
Wherein, the thin-walled drill base is process by No. 20 steel, and the element composition of No. 20 steel is：0.17~
0.24wt% carbon, 0.17~0.37wt% silicon, 0.35~0.65wt% manganese, sulphur≤0.035, phosphorus≤0.035, chromium≤
0.25, nickel≤0.25, copper≤0.25, surplus is iron and inevitable other impurities.
Wherein, the isostatic pressing strength for the diamond particles that the diamond segment uses uses more than the diamond sanding block
Diamond particles isostatic pressing strength.
Wherein, the isostatic pressing strength for the diamond particles that the diamond segment uses is 30~40kg, diamond sanding block
The isostatic pressing strength of the diamond particles used is 25~35kg.
Wherein, diamond segment and the diamond sanding block by metal powder material and diamond particles successively through overmulling
Material, cold pressing, hot pressed sintering form, and wherein the temperature of hot pressed sintering is 760~850 DEG C, and pressure is 200~300kg/cm2, insulation
Time is 1~5 minute.
Wherein, the metal powder material that the diamond segment uses is by 25~35wt% copper powder, 5~15wt% cobalt powders, 2~
9wt% nickel, 2~8wt% glass putty, 0~2wt% titanium valve, 1~2wt% titanium easy decomposition of chemical compounds, and surplus
Iron powder.
Wherein, the easy decomposition of chemical compounds of the titanium is selected from titanium oxalate, lactic acid titanium, titanium acetylacetone, acetic acid titanium and bay
One or more in acid etc..
Wherein, the metal powder material that the diamond grinding head uses is by 25~35wt% copper powder, 5~15wt% cobalt powders, and 2
The iron powder composition of~9wt% nickel, 2~8wt% glass putty and surplus.
Compared with immediate prior art, abrasive drilling dual-purpose multifunctional diamond boring tool of the invention has following beneficial
Effect：
1. the diamond grooved bit of the present invention can once complete the punching of stone material and bruting process, processing is significantly improved
Efficiency.
2. using the diamond segment of integral design structure, go out that sword speed is fast, and carcass is to the hold of diamond
By force so that diamond particles can keep higher height of protrusion, and the phenomenon to come off will not occur to early, and disclosure satisfy that pair
The requirement of the high-speed drillings such as granite, marble.
Brief description of the drawings
Fig. 1 is the top view of the abrasive drilling dual-purpose multifunctional diamond grooved bit of embodiment.
Fig. 2 is cutting structural representations of the Fig. 1 along A directions.
Embodiment
The abrasive drilling dual-purpose multifunctional diamond grooved bit of the present invention is further explained below with reference to specific embodiment
State, to make more complete and clear explanation to technical scheme.
Embodiment 1
As shown in Figure 1-2, the abrasive drilling dual-purpose multifunctional diamond grooved bit of the present embodiment, including thin-walled drill base 10, institute
Stating thin-walled drill base 10 includes thin-walled drill base 11, and the thin-walled drill body 13 on the thin-walled drill base 11.It is described
The installation coordinated with rotating shaft (rotary driving part, such as motor-driven rotary driving part) is provided with thin-walled drill base 11
Portion 12, the installation portion 12 are extended in the bottom of the thin-walled drill body 13 from the bottom of the thin-walled drill base 11.At this
In invention, the thin-walled drill base is process by No. 20 steel, and the element composition of No. 20 steel is：0.17~0.24wt%'s
Carbon, 0.17~0.37wt% silicon, 0.35~0.65wt% manganese, sulphur≤0.035, phosphorus≤0.035, chromium≤0.25, nickel≤0.25,
Copper≤0.25, surplus are iron and inevitable other impurities.Although 20 steel intensity are general, toughness, plasticity are good, have
Good shock resistance, and cost is relatively low, and processability is good, disclosure satisfy that the requirement of diamond grooved bit, separately
Its outer welding performance is good, is easy to and diamond segment and diamond polishing block welding.
In the present embodiment, the diamond segment 20 is cylindrical annular cutter head, and thereon formed with cutting slot, it is described
The height of cutting slot is the 1/5~1/3 of the cylindrical annular cutter head height.The thickness of cylindrical annular cutter head is more than the thin-walled drill
The thickness of body.Using the diamond segment of integral design structure so that grooved bit has more impact in boring procedure, no
Fall tooth, be advantageous to improve rate of penetration.Diamond sanding block 30 is evenly distributed in around the cone seat 12, and often
One diamond molding block 30 has essentially identical shape and size, keeps swimmingly running in polishing to enable.Make
For preferably, the angle a between the diamond sanding block and thin-walled drill body meets：100 °≤a≤150 °, more preferably angle
A meets：120°≤a≤150°.
In the present embodiment, diamond segment and the diamond sanding block uses by metal powder material and diamond particles
Hot-pressing sintering technique is formed.The metal powder material that the diamond segment uses is by 25~35wt% copper powder, 5~15wt% cobalts
Powder, 2~9wt% nickel, 2~8wt% glass putty, 0~2wt% titanium valve, 1~2wt% titanium easy decomposition of chemical compounds, and
The iron powder composition of surplus.The easy decomposition of chemical compounds of the titanium is selected from titanium oxalate, lactic acid titanium, titanium acetylacetone, acetic acid titanium and the moon
One or more in cinnamic acid etc..The metal powder material that diamond grinding head uses is by 25~35wt% copper powder, 5~15wt% cobalts
Powder, the iron powder composition of 2~9wt% nickel, 2~8wt% glass putty and surplus.The temperature of hot pressed sintering is 760~850 DEG C,
Pressure is 200~300kg/cm2, soaking time be 1~5 minute, hot pressed sintering need protective atmosphere (such as also Primordial Qi
Atmosphere) under carry out.In the present invention, the isostatic pressing strength for the diamond particles that the diamond segment uses is beaten more than the diamond
The isostatic pressing strength for the diamond particles that abrading block uses., it is necessary to meet the requirement of drilling at a high speed for diamond segment, thus
Need the diamond particles using high intensity.And for diamond grinding head, it is local broken in order to easily be formed in grinding
It is broken to form small grinding sword, the relatively small diamond particles of intensity can be used；If also used and diamond segment
The diamond particles of same intensity, the corner angle on the surface of diamond particles may be caused to be passivated on the contrary and graphitization occurs, formed
The state polished is polished, so as to be unfavorable for the polishing of drilling.Can be according to the stone material of processing for the intensity of diamond particles
Species selects, such as the granite and marmorean drilled hole polishing technique, the Buddha's warrior attendant that the diamond segment uses
Optional 30~the 40kg of isostatic pressing strength of stone particle, diamond sanding block use diamond particles isostatic pressing strength optional 25~
35kg.Diamond sanding block can use the relatively uniform particle diameter of granularity, for example, can use specification for 30/40 diamond particles.
Diamond segment can use specification as 30/40 (425-600 μm) and the diamond particles of 40/50 (300-425 μm).In addition,
Diamond concentration is also the factor for needing to consider in the design of diamond segment and diamond grinding head.In the industry, diamond
Concentration is that the term of the content of diamond in unit volume, its unit generally use gram are characterized in impregnated bit carcass working lining
Drawing/cm3.Concentration system in production mainly uses " diamond composition world concentration standard ", i.e., 100% concentration represents every
Contain 4.39 carats of diamond in cubic centimetre.75% concentration is about accordingly 3.3 carats/cm3.For granite and marble stone
The drilling of material and technique for grinding, the diamond concentration used is 30%~50%.In the present invention, diamond segment uses
Metal powder material in be added with Ti and Ti labile compound, what on the one hand it was decomposed to form during hot pressed sintering
Gas is advantageous to the reduction (so that diamond segment goes out sword earlier) of carcass, and the carbon for the high activity being decomposed to form
And titanyl compound etc. can form the skeleton hardening constituent such as TiC, and it can further improve the handle of diamond particles and carcass
Holding force, so as to ensure height of protrusion and prevent it is too early come off so that the present invention diamond segment can fit
The requirement that should be crept at a high speed.By taking marmorean drilling experiment as an example, by the easy decomposition that titanium is introduced in diamond segment
Compound, average height of protrusion can be improved to 75 μm by 67 μm, cut index Z (unit cm3/ (gmin) is carried by 35.26
Up to 41.53, significantly improve the drilling performance of diamond segment.
The preparation section of abrasive drilling dual-purpose multifunctional diamond grooved bit described in the present embodiment can be summarized as follows：
1st, thin-walled drill base is processed
According to drawing requirement, thin-walled is formed by raw material Vehicle Processing (welding and heat treatment technique can be combined) of No. 20 steel steel pipes
Drilling pipe seat.
2nd, the hot pressed sintering of diamond segment
According to proportioning, copper powder, cobalt powder, nickel powder, glass putty, titanium valve, the easy decomposition of chemical compounds of titanium, and the powder such as iron powder are chosen
Mixing raw materials obtain metal powder material, use isostatic pressing strength as 30~40kg, the Buddha's warrior attendant of granularity 30/40,40/50 (respectively accounting for 50%)
Stone particle, metal powder material and diamond particles are mixed into (diamond particles are designed according to 30~50% concentration and added), then
Compressing, the hot pressed sintering according to the size and dimension of design, grinder buffing prepare diamond segment and diamond grinding head.
The temperature of hot pressed sintering is 760~850 DEG C, and pressure is 200~300kg/cm2, soaking time 1~5 minute.
3rd, the hot pressed sintering of diamond grinding head
According to proportioning, choose the powder stock batch mixings such as copper powder, cobalt powder, nickel powder, glass putty and iron powder and obtain metal powder material, adopt
With the diamond particles that isostatic pressing strength is 30~40kg, granularity is 30/40, metal powder material and diamond particles are mixed into (Buddha's warrior attendant
Stone particle designs addition according to 30~50% concentration), then compressing according to the size and dimension of design, hot pressed sintering,
Grinder buffing prepares diamond segment and diamond grinding head.The temperature of hot pressed sintering be 760~850 DEG C, pressure be 200~
300kg/cm2, soaking time 1~5 minute.
4th, high-frequency welding
The thin-walled drill base processed is fixed on the fixture of high-frequency welder, is placed on after silver soldering piece is stained with into silver soldering agent
On diamond segment solder side, then thin-walled drill body is fixed together with diamond segment, starts high-frequency induction heating and sets
It can be cooled down for silver soldering piece fusing be heated to, complete the welding of diamond segment；Using identical welding method by Buddha's warrior attendant
Stone sanding block is welded on the upper surface of thin-walled drill base.
5th, polish, paint, examine
Put the first edge on a knife or a pair of scissors after welding with emery wheel and polishing is carried out to diamond segment and diamond sanding block diamond is fully exposed, then
Carry out surface lacquer, drying, finally with 600N/mm2Strength criterion carries out bending resistance detection to each diamond segment, is printed after qualified
Brush packaging and storage.
The installation portion on drill head and thin-walled drill base is coordinated during use, drilling punching is carried out after energization, and then
The polishing for drilling out circular hole periphery can be carried out continuously and form certain taper, subsequently installed so as to convenient.Due to this reality
Example is applied using monoblock type diamond segment, there is rate of penetration to cut the characteristics of security is good soon, and drilling can with polishing
Unremitting be carried out continuously drastically increases processing efficiency.
For the ordinary skill in the art, simply the present invention is exemplarily described for specific embodiment,
Obviously present invention specific implementation is not subject to the restrictions described above, and is entered as long as employing the inventive concept and technical scheme of the present invention
The improvement of capable various unsubstantialities, or it is not improved by the present invention design and technical scheme directly apply to other occasions
, within protection scope of the present invention.
Claims (10)
1. a kind of abrasive drilling dual-purpose multifunctional diamond grooved bit, including thin-walled drill base, it is characterised in that：The thin-walled drill base
Including thin-walled drill base, and the thin-walled drill body on the thin-walled drill base；There is whole soldering on the thin-walled drill body
The diamond segment of body formula, multiple diamond sanding blocks have been positioned apart from the upper surface of the thin-walled drill base；And institute
It is obtuse angle to state the angle a between diamond sanding block and thin-walled drill body.
2. diamond grooved bit according to claim 1, it is characterised in that：It is provided with the thin-walled drill base and rotating shaft
The installation portion of cooperation, the installation portion are extended in the bottom of the thin-walled drill body from the bottom of the thin-walled drill base.
3. diamond grooved bit according to claim 1, it is characterised in that：The diamond sanding block and thin-walled drill body
Between angle a meet：100°≤a≤150°.
4. diamond grooved bit according to claim 1, it is characterised in that：The diamond segment is cylindrical annular knife
Head, and thereon formed with cutting slot, the height of the cutting slot is the 1/5~1/3 of the cylindrical annular cutter head height.
5. diamond grooved bit according to claim 1, it is characterised in that：The thin-walled drill base processed by No. 20 steel and
Into, and the element composition of No. 20 steel is：0.17~0.24wt% carbon, 0.17~0.37wt% silicon, 0.35~
0.65wt% manganese, sulphur≤0.035, phosphorus≤0.035, chromium≤0.25, nickel≤0.25, copper≤0.25, surplus are iron and can not
The other impurities avoided.
6. diamond grooved bit according to claim 1, it is characterised in that：Diamond segment and the diamond sanding block
Formed successively by batch mixing, cold pressing, hot pressed sintering by metal powder material and diamond particles, the temperature of wherein hot pressed sintering is
760~850 DEG C, pressure is 200~300kg/cm2, soaking time is 1~5 minute.
7. diamond grooved bit according to claim 6, it is characterised in that：The diamond that the diamond segment uses
The isostatic pressing strength of grain is more than the isostatic pressing strength for the diamond particles that the diamond sanding block uses.
8. diamond grooved bit according to claim 6, it is characterised in that：The metal powder material that the diamond segment uses
By 25~35wt% copper powder, 5~15wt% cobalt powders, 2~9wt% nickel, 2~8wt% glass putty, 0~2wt% titanium valve, 1
The easy decomposition of chemical compounds of~2wt% titanium, and the iron powder of surplus.
9. diamond grooved bit according to claim 8, it is characterised in that：The easy decomposition of chemical compounds of the titanium is selected from oxalic acid
One or more in titanium, lactic acid titanium, titanium acetylacetone, acetic acid titanium and laurate.
10. diamond grooved bit according to claim 6, it is characterised in that：The metal that the diamond grinding head uses
Powder is by 25~35wt% copper powder, 5~15wt% cobalt powders, the iron of 2~9wt% nickel, 2~8wt% glass putty and surplus
Powder forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710839299.3A CN107457916A (en) | 2017-09-18 | 2017-09-18 | Abrasive drilling dual-purpose multifunctional diamond grooved bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710839299.3A CN107457916A (en) | 2017-09-18 | 2017-09-18 | Abrasive drilling dual-purpose multifunctional diamond grooved bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107457916A true CN107457916A (en) | 2017-12-12 |
Family
ID=60552739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710839299.3A Pending CN107457916A (en) | 2017-09-18 | 2017-09-18 | Abrasive drilling dual-purpose multifunctional diamond grooved bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107457916A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108941535A (en) * | 2018-08-02 | 2018-12-07 | 泉州众志金刚石工具有限公司 | The application and alternative of organic acid nickel substitution nano nickel in diamond matrix |
| CN111098413A (en) * | 2018-10-25 | 2020-05-05 | 江苏锋泰工具有限公司 | Diamond thin-wall drill bit |
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| JPH05245829A (en) * | 1992-03-04 | 1993-09-24 | Asahi Glass Co Ltd | Countersink drilling device for plate member |
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| JPH05245829A (en) * | 1992-03-04 | 1993-09-24 | Asahi Glass Co Ltd | Countersink drilling device for plate member |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108941535A (en) * | 2018-08-02 | 2018-12-07 | 泉州众志金刚石工具有限公司 | The application and alternative of organic acid nickel substitution nano nickel in diamond matrix |
| CN111098413A (en) * | 2018-10-25 | 2020-05-05 | 江苏锋泰工具有限公司 | Diamond thin-wall drill bit |
| CN111098413B (en) * | 2018-10-25 | 2021-11-23 | 江苏锋泰工具有限公司 | Diamond thin-wall drill bit |
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Application publication date: 20171212 |