CN102218709A - Anti-drop diamond brad and manufacturing process thereof - Google Patents
Anti-drop diamond brad and manufacturing process thereof Download PDFInfo
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- CN102218709A CN102218709A CN201110148581XA CN201110148581A CN102218709A CN 102218709 A CN102218709 A CN 102218709A CN 201110148581X A CN201110148581X A CN 201110148581XA CN 201110148581 A CN201110148581 A CN 201110148581A CN 102218709 A CN102218709 A CN 102218709A
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- matrix
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- dovetail groove
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- bora
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Abstract
The invention discloses an anti-drop diamond brad, which comprises a cutter bit, a matrix and a base, and is characterized in that: the cutter bit is prepared from uniform powder prepared by mixing a soft matrix material and a superfine diamond in an irregular shape through hot-pressing sinter molding, wherein the soft matrix material consists of the following components in percentage by weight: 15 to 25 percent of copper, cobalt and iron alloy, 45 to 85 percent of bronze powder, 2 to 5 percent of tin powder, 5 to 10 percent of nickel powder, 2 to 5 percent of titanium powder, 2 to 6 percent of zinc powder and a proper amount of filler; the superfine diamond has the concentration of 12 to 25 percent; and a dovetail groove connecting mechanism is arranged on opposite surfaces of the cutter bit and the matrix. The diamond cutter bit is reasonable in components and proportion, the cutter bit has high bending strength and good self-sharpening property, and a holding force of diamond particles is improved; moreover, the dovetail groove connecting mechanism is arranged between the cutter bit and the matrix, so that the diamond cutter bit is firmly connected with the matrix, the phenomenon that the diamond cutter bit drops is avoided, potential safety hazards are eliminated, and the service life of the diamond brad is prolonged.
Description
Technical field
The present invention relates to diamond bora grinding tool, specifically is a kind of diamond bora and manufacture craft thereof that prevents that diamond segment from coming off from matrix.
Background technology
The structure of existing diamond bora has been shown among Fig. 1, Fig. 2, it is mainly combined by diamond segment 1, steel matrix 2, pedestal 3, bolt 4, rubber shock-absorbing layer 5, by the Bradley graphite jig, by steel matrix be mixed with adamantine multiple metal dust, form through high temperature sintering.Traditional diamond bora, the metal dust component and the proportioning of diamond segment 1 are unreasonable, cause the bending strength of diamond segment 1 and self-sharpening not good enough, and the carcass deformation resistance is undesirable, causes the job stability deficiency of diamond segment 1; Need that in manufacture process steel matrix 2 is carried out the matrix surface ultrasonic wave and handle, still can not avoid integral sintered diamond segment 1 phenomenon that comes off often to be arranged, need to add expensive metal dust simultaneously as bond with steel matrix 2 junctions.But this processing technology quality of production efficient is low, production cost is high, and the external impact force of use impels diamond segment 1 to separate with steel matrix 2 joint faces easily, causes diamond segment 1 and steel matrix 2 to break away from, and has potential safety hazard.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art; a kind of diamond bora and manufacture craft thereof of slip-off preventing are provided; this diamond Bradley is by changing the prescription of diamond segment; improve the bending strength and the self-sharpening of diamond segment; and the connected mode between diamond segment and the matrix improved; guarantee to be connected firmly between matrix and the diamond segment, prevent that diamond segment breaks away from from matrix, eliminates safe hidden trouble.
The technical solution adopted for the present invention to solve the technical problems is:
The diamond bora of slip-off preventing, comprise cutter head, matrix and be used for pedestal with the socket of grinding and polishing line bistrique, cutter head fixedly sintering on matrix, pedestal locks together by securing member and matrix, it is characterized in that: described cutter head is mixed into uniform material powder Thermocompressed sintering and forming by the ultra-fine diamond of soft form material and irregular pattern, the soft form material comprises copper by weight percentage, cobalt, ferroalloy 15-25%, bronze powder 45-85%, glass putty 2-5%, nickel powder 5-10%, titanium valve 2-5%, zinc powder 2-6% and an amount of filler are formed, and the concentration of ultra-fine diamond is 12%-25%; The opposite face of cutter head and matrix is provided with dovetail groove bindiny mechanism; This dovetail groove mechanism comprise at least one be arranged with in the dovetail groove at matrix corresponding surface middle part and be mounted in the corresponding dovetail groove and with the projection that is connected of cutter head one sinter molding.
Further, the granularity of above-mentioned ultra-fine diamond is the 80-400 order.
Filler in the above-mentioned soft form material is graphite or iron oxide.
Above-mentioned matrix has a plurality of dovetail grooves uniformly at intervals along its length direction; Each dovetail groove is presented narrow, following wide strip groove for arranging along the matrix width direction, and dovetail groove and described securing member are staggeredly arranged.
Above-mentioned securing member comprises the middle bolt that correspondence is located at the end bolt at matrix two ends and is located at matrix length direction middle part; Described dovetail groove is six, comprise be located at a dovetail groove between end bolt and the corresponding matrix end face respectively and be distributed in respectively in the middle of each two dovetail groove between bolt and two end bolt.
Be folded with the rubber shock-absorbing layer between above-mentioned matrix and the pedestal.
Above-mentioned matrix is a steel matrix; Described pedestal is an aluminium base.
The manufacture craft of the diamond bora of above-mentioned slip-off preventing may further comprise the steps:
A, prefabricated matrix are processed dovetail groove being used to connect on the matrix surface of cutter head; And strengthen the roughness and the clear base surface of matrix surface;
B, with above-mentioned matrix horizontal in sintering mold, and make and be processed with dovetail groove up;
C, in die cavity, load the described material powder that includes ultra-fine diamond, make the material powder fill up die cavity and all dovetail grooves;
D, the mould of above-mentioned filling honest material powder is sent in the sintering machine, diamond segment and matrix disposable integral sinter molding;
After e, the demoulding, put the first edge on a knife or a pair of scissors, assemble, spray paint at last and stamp corresponding sign, diamond bora is made.
Above-mentioned diamond bora, the component of diamond segment and proportioning constitute rationally, make carcass have good trimming, dressing, and have added copper, cobalt, ferroalloy, and cutter head has high-flexural strength, and self-sharpening is good, has improved the hold of diamond particles; Add comprehensive good cobalt-based in the material powder, optimized the processability and the sintering character of cutter head, the bending strength height of carcass, carcass has characteristics such as indeformable, makes that the diamond bora grinding tool self-sharpening is good, performance is highly stable.
Among the present invention, be processed with little, the big dovetail groove in lower end in upper end at matrix surface, when adding the compacting of pan feeding powder, filled up the material powder in the dovetail groove, after the high temperature burn-back, the material powder of dovetail groove and cutter head disposable integral are sintered to the projection that is connected of one, connecting projection reliably is mounted in the dovetail groove of matrix, matrix and diamond segment well are bonded together, guarantee that diamond segment and matrix can not come off, solved the problem that diamond segment comes off from matrix.When being subjected to external force, diamond bora does the time spent, the relative position of its inner each particle also changes, and variation has also taken place internal force simultaneously, and inner particle produces the internal force of relative displacement, and dovetail groove makes internal force and external force guarantee balance, guarantees that diamond segment and matrix reliably link together.
Slip-off preventing diamond bora provided by the invention makes full use of the mechanics of materials and the physics and the principles of chemistry, dovetail groove bindiny mechanism is set between diamond segment and the matrix, make the good performance of the whole maintenance of diamond bora, have more hold with the existing diamond bora that adopts ultrasonic wave to handle, stop the generation of diamond segment obscission; And reduced production cost, production technology is also more simple and convenient, has reduced the input of cost of labor, has improved diamond bora quality and cutting power, has prolonged the service life of diamond bora simultaneously.
Description of drawings
Fig. 1 is the sectional structure schematic diagram of existing diamond bora.
Fig. 2 is the cutaway view along A-A direction among Fig. 1.
Fig. 3 is the sectional structure schematic diagram of slip-off preventing diamond bora provided by the invention.
Fig. 4 is the component decomposition map of Fig. 3.
Fig. 5 is the cutaway view along B-B direction among Fig. 3.
The specific embodiment
The specific embodiment of the present invention is described with reference to the accompanying drawings.
With reference to Fig. 3 to Fig. 5.The diamond bora of slip-off preventing, comprise diamond segment 1, steel matrix 2 and be used for aluminium base 3 with the socket of grinding and polishing line bistrique, fixedly sintering is on matrix 2 for diamond segment 1, and aluminium base 3 locks together by three connecting bolts 41,42,43 and steel matrix 2.Be provided with rubber shock-absorbing layer 5 between steel matrix 2 and the aluminium base 3, the impulsive force of utilizing rubber shock-absorbing layer 5 available buffer abrading block to be subjected in the course of the work, the job stability of raising diamond bora.
With reference to Fig. 3 to Fig. 5.For improving the connectivity robustness between diamond segment 1 and the steel matrix 2, above-mentioned diamond segment 1 is provided with dovetail groove bindiny mechanism with the opposite face of steel matrix 2; This dovetail groove mechanism comprise along the steel matrix length direction be laid in a plurality of dovetail grooves 20 at steel matrix 2 corresponding surfaces middle parts and be mounted in respectively in the corresponding dovetail groove and with cutter head one sinter molding be connected projection 11.Dovetail groove 20 is presented narrow, following wide strip groove for arranging along steel matrix 2 widths, and dovetail groove 20 is staggeredly arranged with connecting bolt 41,42,43; Dovetail groove 20 runs through steel matrix 2 width.
With reference to Fig. 3 and Fig. 4.Preferred version the most: above-mentioned connecting bolt 41,43 is for to lock in the end bolt at steel matrix 2 two ends respectively, and connecting bolt 42 is the middle bolt of locking at steel matrix 2 length directions middle part.Offer six dovetail grooves 20 on the steel matrix 2 altogether, offer a dovetail groove 20 respectively between connecting bolt 41,43 and corresponding steel matrix 2 end faces, be evenly equipped with two dovetail grooves 20 respectively between connecting bolt 42 and the connecting bolt 41,42.The slot opening 4mm of each dovetail groove 20, the wide 5.7mm of bottom land, length 60mm.
Diamond segment is mixed into uniform material powder through Thermocompressed sintering and forming by the ultra-fine diamond of soft form material and irregular pattern, the soft form material comprises copper, cobalt, ferroalloy 15-25%, bronze powder 45-85%, glass putty 2-5%, nickel powder 5-10%, titanium valve 2-5%, zinc powder 2-6% and an amount of filler composition by weight percentage, and the concentration of ultra-fine diamond is 12%-25%; The granularity of ultra-fine diamond is the 80-400 order; Filler in the soft form material is graphite or iron oxide.
With reference to Fig. 3 to Fig. 5.The manufacture craft of the diamond bora of above-mentioned slip-off preventing may further comprise the steps:
A. pre-manufactured steel matrix is being used to connect processing dovetail groove 20 on steel matrix 2 surfaces of cutter head; And strengthen the roughness on steel matrix 2 surfaces and clean steel matrix 2 surfaces with alcohol;
B. with the above-mentioned steel matrix that processes 2 horizontal (not shown sintering mold) in sintering mold, and the steel matrix 2 one that is processed with dovetail groove is faced up;
C. in die cavity, load above-mentioned material powder, make the material powder fill up die cavity and all dovetail grooves 20;
D. the mould of above-mentioned filling honest material powder is sent in the sintering machine, diamond segment 1 and steel matrix 2 disposable integral sinter moldings; Form behind the material powder sintering in the dovetail groove 20 to be consolidated into one with diamond segment 1 and firmly to be mounted in and be connected projection 11 in the dovetail groove 20;
E. after the demoulding, put the first edge on a knife or a pair of scissors, utilize connecting bolt 41,42,43 with on rubber shock-absorbing layer 5, the aluminium base 3 fixing assembling steel matrix 1 again, spray paint at last and stamp corresponding sign, diamond bora is made.
The above, only for preferred embodiment of the present invention, so can not limit scope of the invention process with this, i.e. the equivalence of doing according to the present patent application claim and description changes and modification, all should still belong in the scope that patent of the present invention contains.
Claims (8)
1. the diamond bora of slip-off preventing, comprise cutter head, matrix and be used for pedestal with the socket of grinding and polishing line bistrique, cutter head fixedly sintering on matrix, pedestal locks together by securing member and matrix, it is characterized in that: described cutter head is mixed into uniform material powder Thermocompressed sintering and forming by the ultra-fine diamond of soft form material and irregular pattern, the soft form material comprises copper by weight percentage, cobalt, ferroalloy 15-25%, bronze powder 45-85%, glass putty 2-5%, nickel powder 5-10%, titanium valve 2-5%, zinc powder 2-6% and an amount of filler are formed, and the concentration of ultra-fine diamond is 12%-25%; The opposite face of cutter head and matrix is provided with dovetail groove bindiny mechanism; This dovetail groove mechanism comprise at least one be arranged with in the dovetail groove at matrix corresponding surface middle part and be mounted in the corresponding dovetail groove and with the projection that is connected of cutter head one sinter molding.
2. diamond bora according to claim 1 is characterized in that: the granularity of described ultra-fine diamond is the 80-400 order.
3. diamond bora according to claim 1 is characterized in that: the filler in the described soft form material is graphite or iron oxide.
4. diamond bora according to claim 1 is characterized in that: described matrix has a plurality of dovetail grooves uniformly at intervals along its length direction; Each dovetail groove is presented narrow, following wide strip groove for arranging along the matrix width direction, and dovetail groove and described securing member are staggeredly arranged.
5. diamond bora according to claim 1 is characterized in that: described securing member comprises the middle bolt that correspondence is located at the end bolt at matrix two ends and is located at matrix length direction middle part; Described dovetail groove is six, comprise be located at a dovetail groove between end bolt and the corresponding matrix end face respectively and be distributed in respectively in the middle of each two dovetail groove between bolt and two end bolt.
6. diamond bora according to claim 1 is characterized in that: be folded with the rubber shock-absorbing layer between described matrix and the pedestal.
7. diamond bora according to claim 1 is characterized in that: described matrix is a steel matrix; Described pedestal is an aluminium base.
8. the manufacture craft of the arbitrary described diamond bora of claim 1 to 7 is characterized in that may further comprise the steps:
A. prefabricated matrix is processed dovetail groove being used to connect on the matrix surface of cutter head; And strengthen the roughness and the clear base surface of matrix surface;
B. with above-mentioned matrix horizontal in sintering mold, and make and be processed with dovetail groove up;
C. in die cavity, load the described material powder that includes ultra-fine diamond, make the material powder fill up die cavity and all dovetail grooves;
D. the mould of above-mentioned filling honest material powder is sent in the sintering machine, diamond segment and matrix disposable integral sinter molding;
E. after the demoulding, put the first edge on a knife or a pair of scissors, assemble, spray paint at last and stamp corresponding sign, diamond bora is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201110148581 CN102218709B (en) | 2011-06-03 | 2011-06-03 | Anti-drop diamond brad and manufacturing process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110148581 CN102218709B (en) | 2011-06-03 | 2011-06-03 | Anti-drop diamond brad and manufacturing process thereof |
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| CN102218709A true CN102218709A (en) | 2011-10-19 |
| CN102218709B CN102218709B (en) | 2013-01-09 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102554807A (en) * | 2011-12-28 | 2012-07-11 | 福建万龙金刚石工具有限公司 | Diamond leveling wheel and production technology |
| CN102672160A (en) * | 2012-05-28 | 2012-09-19 | 湖南顶融科技有限公司 | Preparation method of prealloying matrix powder |
| CN103898344A (en) * | 2012-12-24 | 2014-07-02 | 北京有色金属研究总院 | Preparation method of copper based diamond matrix composite material |
| CN105014557A (en) * | 2015-05-25 | 2015-11-04 | 江苏锋泰工具有限公司 | Light and efficient diamond grinding wheel |
| CN105081994A (en) * | 2015-08-07 | 2015-11-25 | 北京安泰钢研超硬材料制品有限责任公司 | Terrace grinding wheel and manufacturing method thereof |
| CN105705236A (en) * | 2013-10-08 | 2016-06-22 | 日本碍子株式会社 | Honeycomb structure |
| CN106272989A (en) * | 2016-08-16 | 2017-01-04 | 河南涵信新材料科技有限公司 | A kind of diamond segment and preparation method thereof, diamond segment cold stamping die, diamond saw blade |
| CN114633221A (en) * | 2022-02-25 | 2022-06-17 | 西安鑫垚陶瓷复合材料有限公司 | Diamond tool for processing continuous fiber toughened SiC ceramic matrix composite and preparation method thereof |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102554807A (en) * | 2011-12-28 | 2012-07-11 | 福建万龙金刚石工具有限公司 | Diamond leveling wheel and production technology |
| CN102672160A (en) * | 2012-05-28 | 2012-09-19 | 湖南顶融科技有限公司 | Preparation method of prealloying matrix powder |
| CN102672160B (en) * | 2012-05-28 | 2014-04-16 | 湖南顶融科技有限公司 | Preparation method of prealloying matrix powder |
| CN103898344B (en) * | 2012-12-24 | 2016-03-30 | 北京有色金属研究总院 | A kind of preparation method of copper base diamond matrix composite materials |
| CN103898344A (en) * | 2012-12-24 | 2014-07-02 | 北京有色金属研究总院 | Preparation method of copper based diamond matrix composite material |
| CN105705236A (en) * | 2013-10-08 | 2016-06-22 | 日本碍子株式会社 | Honeycomb structure |
| US9885271B2 (en) | 2013-10-08 | 2018-02-06 | Ngk Insulators, Ltd. | Honeycomb structure |
| CN105705236B (en) * | 2013-10-08 | 2018-08-03 | 日本碍子株式会社 | Honeycomb structure |
| CN105014557A (en) * | 2015-05-25 | 2015-11-04 | 江苏锋泰工具有限公司 | Light and efficient diamond grinding wheel |
| CN105014557B (en) * | 2015-05-25 | 2017-12-26 | 江苏锋泰工具有限公司 | Efficient and light weight diamond-impregnated wheel |
| CN105081994A (en) * | 2015-08-07 | 2015-11-25 | 北京安泰钢研超硬材料制品有限责任公司 | Terrace grinding wheel and manufacturing method thereof |
| CN105081994B (en) * | 2015-08-07 | 2017-11-14 | 北京安泰钢研超硬材料制品有限责任公司 | Terrace emery wheel and its manufacture method |
| CN106272989A (en) * | 2016-08-16 | 2017-01-04 | 河南涵信新材料科技有限公司 | A kind of diamond segment and preparation method thereof, diamond segment cold stamping die, diamond saw blade |
| CN114633221A (en) * | 2022-02-25 | 2022-06-17 | 西安鑫垚陶瓷复合材料有限公司 | Diamond tool for processing continuous fiber toughened SiC ceramic matrix composite and preparation method thereof |
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Effective date of registration: 20210916 Address after: 362000 No. 13, Zhitai Road, Quanzhou Economic and Technological Development Zone, Fujian Province Patentee after: Wanlong times Technology Co.,Ltd. Address before: 362000 No. 13, Zhitai Road, Quanzhou Economic and Technological Development Zone, Fujian Province Patentee before: FUJIAN WANLONG DIAMOND TOOLS Co.,Ltd. |
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