CN105835235B - A kind of dry ripple saw blade cold pressing forming process of high-strength diamond - Google Patents
A kind of dry ripple saw blade cold pressing forming process of high-strength diamond Download PDFInfo
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- CN105835235B CN105835235B CN201610332427.0A CN201610332427A CN105835235B CN 105835235 B CN105835235 B CN 105835235B CN 201610332427 A CN201610332427 A CN 201610332427A CN 105835235 B CN105835235 B CN 105835235B
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- 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
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/12—Saw-blades or saw-discs specially adapted for working stone
-
- 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
-
- 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
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D65/00—Making tools for sawing machines or sawing devices for use in cutting any kind of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/04—Alloys containing less than 50% by weight of each constituent containing tin or lead
-
- 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
- C22C38/16—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
- 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
-
- 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
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
Abstract
The invention discloses a kind of dry ripple saw blade of high-strength diamond and its cold pressing forming process, the diamond saw blade includes major ingredient according to volume fraction：Diamond 12 15%, copper 20 25%, iron 40 45%, tin 3 8%, nickel 5 8%, cobalt 5 8% and auxiliary material alloyed powder 3 5%；Mainly the step such as put the first edge on a knife or a pair of scissors through dispensing sieving premixing always mixed cold moudling sintering cooling surface processing spray painting to produce the diamond saw blade, pass through the formula and the diamond saw blade of technique productions its intensity enhancing of the present invention, wearability also improves, the life during actual use, greatly save production cost, resource is saved, and the technique is into environmental protection, health, safety during production.
Description
Technical field
The present invention relates to a kind of diamond saw blade, more particularly to a kind of dry ripple saw blade cold moudling work of high-strength diamond
Skill.
Background technology
Diamond saw blade is a kind of cutting tool, is widely used in the hard crisp material such as concrete, refractory material, stone material, ceramics
The processing of material.Diamond saw blade is mainly made up of two parts；Matrix and cutter head.Matrix is the main support part of cohesive cutter head,
And cutter head is then the part for playing cutting in use, cutter head can consume in use and constantly, and matrix then will not,
It is that diamond is as material most hard at present, and it is in knife because wherein containing diamond that why cutter head, which can play cutting,
Friction cuttings are processed object in head.And diamond particles are then wrapped in inside cutter head by metal.
Diamond saw blade uses in the majority, the main performance index bag of its measurement diamond saw blade in the cutting technique of reality
It is whether high, whether wear-resisting, whether anticorrosive to include intensity, present technology can solve the problem that substantially in erosion-resisting problem
, but the problem of larger but be present in intensity and wearability, cause diamond saw blade service life short, the effect of cutting by
To influence, to solve the intensity of diamond saw blade and wear-resisting problem, not only to set about from its composition of raw materials, it is often more important that right
Its production technology is improved, and the various equipment used in production process, is all the straight of influence diamond saw piece performance
Connect factor, and according to from the point of view of existing diamond production technology its also exist and more need improved aspect.
The content of the invention
For above-mentioned problem, the present invention is intended to provide a kind of dry ripple saw blade cold moudling work of high-strength diamond
Skill, the present invention proposes new formula, and further the production technology of prior art is changed according to the formula, the present invention
Enter, there is provided a kind of novel forming technology, by the technique and its intensity enhancing of the diamond saw blade of formula production, wearability also carries
Height, the life during actual use, greatly saves production cost, has saved resource, and the technique into
Environmental protection, health, safety during production.
To achieve these goals, the technical solution adopted in the present invention is as follows：
A kind of dry ripple saw blade of high-strength diamond, the diamond saw blade include major ingredient according to volume fraction：Diamond 12-
15%th, copper 20-25%, iron 40-45%, tin 3-8%, nickel 5-8%, cobalt 5-8% and auxiliary material alloyed powder 3-5%.
A kind of dry ripple saw blade cold pressing forming process of high-strength diamond, comprises the following steps：
（1）Dispensing：Matched according to volume fraction and choose major ingredient diamond, copper, iron, tin, nickel, cobalt and alloyed powder, it is standby；
（2）Sieving：The dispensing got ready through step 1 crosses 35,40,45 mesh mesh screens and carries out three level screen successively；
（3）Premixing：Using premixing mechanism, first iron and cobalt are mixed, mix 30-40min, iron and cobalt mixing finish
Afterwards, remaining diamond, copper, tin, nickel and alloyed powder, the charging speed of copper are added simultaneously from the apparatus for feeding of premixing mechanism
Degree is set to 1.5-2 times of input diamonds speed, and the time of siccative premixing is 5-6h；
Multiple feed wells are set at the charging aperture of the apparatus for feeding used, and each feed well corresponds to a kind of raw material, Mei Gejin
Hopper is conically shaped, the transition funnel being vertically sequentially reduced in each conically shaped provided with 3-5 feed opening bore, and copper
The feed opening bore of a transition funnel of bottom is set to the transition leakage of bottom in input diamonds groove in feed well
1.5-2 times of the feed opening caliber size of bucket
（4）It is total mixed：Using Zong Hun mechanisms, to through step（3）Wetting agent is added in the siccative of premixing, is stirred, is moistened
Wet time 2-3h, the usage amount of wetting agent are the 1/1000 of raw material total amount；
（5）Cold pressing：Get mould ready, install matrix before cold moudling in a mold, the compound after always mixing is through weighing, dress powder
Process, which is added in the mould of cold-compacting forming device, carries out compressing, the last demoulding of one, cold pressing pressure 2.5-3.5T/
cm2, pressurize 3-5s, press time 8-10s；
（6）Sintering：Through step（5）Some sintering furnaces are delivered to sintering zone by the crude product of cold moudling by elevating mechanism
Domain, bearing is sintered provided with corresponding with each sintering furnace in sintering region, some dresses are vertically provided with the sintering bearing
Piece presss from both sides and graphite cake folder, load folder are arranged at intervals with graphite cake folder, during sintering, first fills Buddha's warrior attendant on each load folder
Stone saw piece crude product, while graphite cake is loaded onto on graphite cake folder, then, sintering furnace is correspondingly delivered to sintering bearing by elevating mechanism
Position, and be tightly connected by Hermetical connecting structure, T=860-880 DEG C of heating-up temperature, sintering time 1.5-2h, in sintering process
In be passed through nitrogen and hydrogen mixture, intake 0.5-0.8m3/min；
（7）Cooling：After the completion of sintering, sintering furnace is removed by elevating mechanism, nitrogen and hydrogen mixture cooling is continued through, leads to
Enter amount 0.8-1.0 m3/ min, cool time 2-2.5h, is made semi-finished product；
（8）Surface treatment：Diamond semi-finished product after cooling load on multiple-station rotation processing disk, by the multiple of rotation
Wire wheel is surface-treated, dedusting, descale, and the rotating speed of rotating process disk is 15-20r/min, and the rotating speed of wire wheel is
30-40 r/min；
（9）Spray painting：The diamond semi-finished product that surface treated is crossed spray metallic paint on paint spraying frame；
（10）Put the first edge on a knife or a pair of scissors：Painted diamond semi-finished product put the first edge on a knife or a pair of scissors on edging device, and edging device is provided with emery wheel, sand
The rotating speed of wheel is 30-35 r/min；
Further improvement of the present invention is, the step（3）With the step（4）Used premixing mechanism and total
The integrated mixing apparatus of mixed mechanism, the integrated mixing apparatus upper end set premixing mechanism, and lower end sets Zong Hun mechanisms, in advance
Blanking is controlled by controlled valve between mixed organization and Zong Hun mechanisms, and a circle wetting is set on the periphery of Zong Hun mechanisms
Agent pipeline, be equidistantly spaced below wetting agent pipeline wetting agent feeder.
Further improvement of the present invention is, the step（6）The sintering furnace used during " sintering " is portable electricity
Stove, conveying mechanism are Hangzhoupro car jacking equipment, and the Hermetical connecting structure is divided into Hermetical connecting structure and lower Hermetical connecting structure,
Bonnet is set in each movable type electric furnace, and Hermetical connecting structure on a circle is set on the base of the bonnet, it is described on
Hermetical connecting structure is bottom surface with the fastener one that some cross sections are conical by its shape, and the point of each conical by its shape
End position is arranged to circular arc.
Further improvement of the present invention is that the sintering bearing is provided with to coincide with the upper Hermetical connecting structure sealing
The fastener two of clamping.
Further improvement of the present invention is that some loads folder and graphite cake folder set on the sintering bearing is described
Load is pressed from both sides with being that circular storage tank, both sides are U-shaped clamping slot among graphite cake folder, and graphite cake folder uses graphite system
Into, and cellular passage is set on the graphite cake.
Further improvement of the present invention is, the step（8）Used multiple-station rotation during " surface treatment "
Handling disk includes operating desk, rotating process disk, transmission mechanism, and transmission mechanism drives rotating process disk at the uniform velocity to turn on operating desk
It is dynamic, multiple locating dowels are set on rotating process disk, a diamond saw blade is correspondingly arranged in each locating dowel, wire wheel is arranged on
In rotating process disk side, and wire wheel is directed at being arranged above for locating dowel.
Further improvement of the present invention is, the step（8）" surface treatment " process and the step（10）" putting the first edge on a knife or a pair of scissors "
During be equipped with dust collection equipment.
The beneficial effects of the invention are as follows：It is compared with prior art, of the invention to the improvement is that,
One：Change recipe ingredient, it is obtained rational proportion, from the internal performance for improving diamond saw blade；
Secondly：For the production process of diamond saw blade, the equipment that each of which step uses is to diamond
Processability, which has, to be directly affected, and particularly sintering step, equipment used in sintering step, and used method are to gold
The performance impact of diamond saw blade is most important, and therefore, the present invention is improved for the step, first, to movable type electric furnace
It is improved, movable type electric furnace links together with sintering bearing socket, therefore connecting portion easily causes to radiate, heat pole
Easily scattered and disappeared, thus the present invention using with arc tip surface taper upper Hermetical connecting structure and seal against it is identical under
Attachment structure, which is coincide, to be connected, and can ensure that heat does not scatter and disappear by upper and lower Hermetical connecting structure；Secondly, existing diamond saw
Piece and graphite cake are directly to be arranged at intervals, but less stable, therefore the present invention is in order to improve the stability of clamping and heat
The purpose uniformly transferred between graphite cake and diamond, therefore set load to press from both sides and pressed from both sides with graphite cake, it can thus make diamond saw
Piece and relatively stable for a long time being placed on of graphite cake are sintered on bearing, for the radiating effect of raising, are processed on graphite cake more
Individual cellular heat transfer hole, improve quick transmission of the heat between diamond and graphite cake；Again, in order to prevent in sintering
During diamond saw blade excessive surface oxidation, therefore nitrogen and hydrogen mixture is also passed through in sintering process, pass through nitrogen and hydrogen mixture
Diamond saw blade can be protected, anti-oxidation；
Third, except sintering process, other processes are also intensity to improving diamond saw blade and wearability play it is auxiliary
Effect is helped, for example, premixing and total mix use integrated mixing apparatus, the integrated mixing apparatus not only saves space, also
Process can be reduced, the directly raw material through premixing is quickly entered in Zong Hun mechanisms by controlled valve and soaked, mixing
Efficiency is greatly enhanced, and of the invention for the uniformity of batch mixing, in the position of charging aperture setting conically shaped, conically shaped
The transition funnel for setting 3-5 feed opening bore to be sequentially reduced, and a transition funnel of bottom in the feed well of copper
Feed opening bore is set to 1.5-2 times of the feed opening caliber size of a transition funnel of bottom in input diamonds groove, this
Sample can ensure blanking while property and uniformity, and compounding effect is preferable, and the quality of last compressing diamond saw blade is equal
It is even；
Fourth, in surface treatment process, conventional processing is to use man-to-man processing mode, is so surface-treated
Efficiency it is too low, substantially reduce productivity ratio, therefore, the present invention design multiple-station rotation processing disk, can so handle simultaneously more
Individual diamond saw blade, and high treating effect.
Detailed improvement of the invention by formula and technique, not only the efficiency of production is greatly enhanced, and
The intensity enhancing of the diamond saw blade of production, wearability enhancing, service life are extended.
Brief description of the drawings
Fig. 1 is the structural representation of the integrated mixing apparatus of the present invention.
Fig. 2 is the schematic diagram that multiple-station rotation of the present invention handles disk.
Fig. 3 is the schematic top plan view that diamond saw blade of the present invention is arranged on rotating process disk.
Fig. 4 is the left view schematic diagram that load of the present invention presss from both sides or graphite cake presss from both sides.
Fig. 5 is schematic diagram of the elevating mechanism of the present invention with sintering bearing.
Wherein：1- premixing mechanisms, 2- Zong Hun mechanisms, 3- conically shapeds, 4- transition funnels, 5- wetting agent pipelines, 6- wettings
Agent feeder, 7- rotating process disks, the big motors of 8-, 9- small machines, 10- locating dowels, 11- wire wheels, 12- diamond saw blades, 13-
Hangzhoupro car jacking equipment, 14- sintering furnaces, 15- bonnets, 16- fasteners one, 17- fasteners two, 18- loads folder or graphite cake folder,
19- controlled valves.
Embodiment
In order that one of ordinary skill in the art is better understood on technical scheme, below in conjunction with the accompanying drawings and
Embodiment is further described to technical scheme.
Embodiment one：A kind of dry ripple saw blade of high-strength diamond, the diamond saw blade include major ingredient according to volume fraction：Gold
Hard rock 12%, copper 25%, iron 40%, tin 8%, nickel 5%, cobalt 5% and auxiliary material alloyed powder 5%.
A kind of dry ripple saw blade cold pressing forming process of high-strength diamond, comprises the following steps：
（1）Dispensing：Matched according to volume fraction and choose major ingredient diamond, copper, iron, tin, nickel, cobalt and alloyed powder, it is standby；
（2）Sieving：Through step（1）The dispensing got ready crosses 35,40,45 mesh mesh screens and carries out three level screen successively；By three-level
Screening, filters out uniform and satisfactory powdered granule；
（3）Premixing：Using premixing mechanism 1, first iron and cobalt are mixed, are now iron by the purpose that iron and cobalt are mixed
Good fluidity, and cobalt is not easy to be well mixed, therefore needs first to be shifted to an earlier date the bad cobalt of the iron of good fluidity and mobility
Mixing, mix 40min, after iron and cobalt mix, added simultaneously from the apparatus for feeding of premixing mechanism remaining diamond,
Copper, tin, nickel and alloyed powder, the charging rate of copper are set to 2 times of input diamonds speed, and the time of siccative premixing is 6h；
As shown in figure 1, multiple feed wells, each feed well pair are set at the charging aperture of the apparatus for feeding used during being somebody's turn to do
A kind of raw material is answered, each feed well is conically shaped 3, the mistake being sequentially reduced in each conically shaped 3 provided with 3-5 feed opening bore
Funnel 4 is crossed, and the feed opening bore of a transition funnel 4 of bottom is set in input diamonds groove most in the feed well of copper
1.5-2 times of the feed opening caliber size of one transition funnel 4 of lower end, the present invention set 3-5 feed opening bore to subtract successively
The purpose of small transition funnel 4 is to be able to realize blanking simultaneously, can so ensure blanking while property and uniformity, mixes
Expect that effect is preferable, the uniform quality of last compressing diamond saw blade 12；
（4）It is total mixed：Using Zong Hun mechanisms 2, to through step（3）Wetting agent is added in the siccative of premixing, is stirred, is moistened
Wet time 3h, the usage amount of wetting agent are the 1/1000 of raw material total amount；
As shown in figure 1,2 integrated mixing apparatus of premixing mechanism 1 used in the process and Zong Hun mechanisms, the one
Change mixing apparatus upper end and premixing mechanism 1 is set, lower end sets Zong Hun mechanisms 2, leads between premixing mechanism 1 and Zong Hun mechanisms 2
Controlled valve control blanking is crossed, and a circle wetting agent pipeline 5, the lower section of wetting agent pipeline 5 are set on the periphery of Zong Hun mechanisms 2
Be equidistantly spaced wetting agent feeder 6, and wetting agent feeder 6 is connected in Zong Hun mechanisms 2 by jointed shaft, and wetting agent enters
Glassware 6 is obliquely installed when feeding by jointed shaft, and realizes inclination charging, and the wetting agent of wetting agent pipeline 5 is straight by fluid hole
Connect and fall in wetting agent feeder 6, and realize wing drop feed liquor, wetting agent feeder 6 can seal with Zong Hun mechanisms 2 to be blocked
Connection is closed, after tilting charging, wetting agent feeder 6 is engaged into sealed connection with Zong Hun mechanisms 2, so passes through the profit of a circle
Humectant feeder 6 can realize the uniform wet effect to raw material, and apply wetting agent conveniently from the periphery of Zong Hun mechanisms 2；
（5）Cold pressing：Get mould ready, install matrix before cold moudling in a mold, the compound after always mixing is through weighing, dress powder
Process, which is added in the mould of cold-compacting forming device, carries out compressing, the last demoulding of one, cold pressing pressure 3.0T/cm2, protect
Press 5s, press time 10s；
（6）Sintering：Through step（5）Some sintering furnaces 14 are delivered to sintering zone by the crude product of cold moudling by elevating mechanism
Domain, bearing is sintered provided with corresponding with each sintering furnace 14 in sintering region, is vertically provided with the sintering bearing some
Load folder 18 and graphite cake folder, load folder 18 are arranged at intervals with graphite cake folder, during sintering, first press from both sides 18 in each load
The upper dress crude product of diamond saw blade 12, while graphite cake is loaded onto on graphite cake folder, then, sintering furnace 14 is corresponded to defeated by elevating mechanism
Sintering support position is delivered to, and is tightly connected by Hermetical connecting structure, heating-up temperature T=880 DEG C, sintering time 2h, is being sintered
During be passed through nitrogen and hydrogen mixture, intake 0.5m3/min；
As illustrated in figures 4-5, the sintering furnace 14 used during being somebody's turn to do is movable type electric furnace, and conveying mechanism is Hangzhoupro car jacking equipment
13, the Hermetical connecting structure is divided into Hermetical connecting structure and lower Hermetical connecting structure, is set in each movable type electric furnace
Bonnet 15 is put, and Hermetical connecting structure on a circle is set on the base of the bonnet 15, the upper Hermetical connecting structure is bottom surface
Sophisticated position with the fastener 1 that some cross sections are conical by its shape, and each conical by its shape is arranged to circular arc
Shape；Sinter the fastener 2 17 that bearing is provided with the clamping that coincide with the upper Hermetical connecting structure sealing；Set on sintering bearing
Some loads folder 18 and graphite cake folder, it is that circular storage tank, both sides are equal that load folder 18 is middle with graphite cake folder
For U-shaped clamping slot, graphite cake folder is made of graphite, and cellular passage is set on the graphite cake；The present invention is right
Equipment in sintering process is improved, and is scattered and disappeared the form that is engaged using fastener 1 and fastener 2 17 in problem in heat
To avoid, because engaging gap is the sealing off gap of shape bending-type in a row, the sealing off gap of the bending-type can stop excessive
Heat scatters and disappears, and preservation of the circuitous path that is formed in gap of heat to heat has preferable effect；Existing sintering
Equipment is directly to be sintered using fixed sintering furnace 14, and the step of sintering and cool down is cumbersome, and needing during cooling will burning
The diamond saw blade 12 tied is taken out and could cooled down, and the present invention is improved in the problem, and conveying is lifted using Hangzhoupro car
Movable type electric furnace is moved to sintering support position by mode, and is socketed in by fastener 1 and fastener 2 17 to seal
Sinter on bearing, so save artificial, reduction labor intensity, directly removing movable type electric furnace after the completion of sintering is cooled down, cold
But it is more convenient, simple and safe and reliable；On solving heat transfer problem, the present invention is specifically that honeycomb is set on graphite cake
The heat transfer hole of shape, during actual sintered, a diamond saw blade 12 and graphite cake are arranged closely together, and are had more
Rotating fields, therefore set cellular heat transfer hole to greatly improve the biography between diamond saw blade 12 and graphite cake on graphite cake
Thermal effect；The present invention on the clamping for solving the problems, such as diamond saw blade 12 and graphite cake be using load press from both sides 18 and graphite cake press from both sides come
Realize, a load folder 18 is set up in parallel on sintering bearing and graphite cake presss from both sides the stabilization that can be improved in both sintering processes
Property, and the purpose that the long period uses can be realized, when specifically used, diamond saw blade 12 is vertically sticked into load folder 18
In U-shaped clamping slot, equally, also graphite cake is vertically sticked into the U-shaped clamping slot of its graphite cake folder, you can；In sintering process
The surface for easilying lead to diamond saw blade 12 is oxidized, and forms oxide skin, is influenceed to mitigate oxidation, therefore in sintering process
Nitrogen and hydrogen mixture is passed through, the problem of oxidation of sintering process can be greatly reduced by nitrogen and hydrogen mixture, diamond saw blade 12 is risen
To protective effect, anti-oxidation；
（7）Cooling：After the completion of sintering, sintering furnace 14 is removed by elevating mechanism, continues through nitrogen and hydrogen mixture cooling,
The m of intake 1.03/ min, cool time 2.5h, is made semi-finished product；
（8）Surface treatment：Diamond semi-finished product after cooling load on multiple-station rotation processing disk 7, by the more of rotation
Individual wire wheel 11 is surface-treated, dedusting, descale, and the rotating speed of rotating process disk 7 is 20r/min, and wire wheel 11 turns
Speed is 40 r/min；
As shown in Fig. 2 used multiple-station rotation processing disk 7 includes operating desk, rotating process disk 7 during being somebody's turn to do, pass
Motivation structure, transmission mechanism drive the uniform rotation on operating desk of rotating process disk 7, multiple locating dowels are set on rotating process disk 7
10, a diamond saw blade 12 is correspondingly arranged in each locating dowel 10, wire wheel 11 is arranged in the side of rotating process disk 7, and
And wire wheel 11 is directed at being arranged above for locating dowel 10, dust collection equipment, surface are connected by sweep-up pipe on rotating process disk 7
Can there are many dusts and impurity in processing procedure, it is necessary to be processed in time, otherwise can influence the environmental issue of workshop,
Also the physical and mental health of worker can be impacted, wire wheel 11 is driven by small machine 9 at the uniform velocity to be rotated, and rotating process disk 7 passes through
Big motor 8, which drives, at the uniform velocity to be rotated, and both combine and the surface of diamond saw blade 12 is handled, and can be fast by locating dowel 10
Speed installation, dismounting；
（9）Spray painting：The diamond semi-finished product that surface treated is crossed spray metallic paint on paint spraying frame；
（10）Put the first edge on a knife or a pair of scissors：Painted diamond semi-finished product put the first edge on a knife or a pair of scissors on edging device, and edging device is provided with emery wheel, sand
The rotating speed of wheel is 35 r/min, the surface particles also to be come during being somebody's turn to do using dust collection equipment absorption emery wheel frosted, environmental protection, is defended
It is raw；
The qualification rate of the diamond saw blade produced by embodiment one reaches 99%.
Embodiment two：A kind of dry ripple saw blade of high-strength diamond, the diamond saw blade include major ingredient according to volume fraction：Gold
Hard rock 15%, copper 20%, iron 45%, tin 3%, nickel 8%, cobalt 6% and auxiliary material alloyed powder 3%.
Unlike the technique of embodiment one：
（3）Premixing：35min is mixed, after iron and cobalt mix, is added simultaneously from the apparatus for feeding of premixing mechanism
Remaining diamond, copper, tin, nickel and alloyed powder, the charging rate of copper are set to 1.5 times of input diamonds speed, and siccative is pre-
The time of mixing is 5h；
（4）It is total mixed：Using Zong Hun mechanisms 2, to through step（3）Wetting agent is added in the siccative of premixing, is stirred, is moistened
Wet time 2.5h；
（5）Cold pressing：Get mould ready, install matrix before cold moudling in a mold, the compound after always mixing is through weighing, dress powder
Process, which is added in the mould of cold-compacting forming device, carries out compressing, the last demoulding of one, cold pressing pressure 2.5T/cm2, protect
Press 4s, press time 9s；
（6）Sintering：Heating-up temperature T=870 DEG C of sintering furnace 14, sintering time 2h, the mixing of nitrogen hydrogen is passed through in sintering process
Gas, intake 0.5m3/min；
（7）Cooling：After the completion of sintering, sintering furnace 14 is removed by elevating mechanism, continues through nitrogen and hydrogen mixture cooling,
The m of intake 0.83/ min, cool time 2.5h, is made semi-finished product；
（8）Surface treatment：Diamond semi-finished product after cooling load on multiple-station rotation processing disk 7, by the more of rotation
Individual wire wheel 11 is surface-treated, dedusting, descale, and the rotating speed of rotating process disk 7 is 18r/min, and wire wheel 11 turns
Speed is 35 r/min；
（10）Put the first edge on a knife or a pair of scissors：Painted diamond semi-finished product put the first edge on a knife or a pair of scissors on edging device, and edging device is provided with emery wheel, sand
The rotating speed of wheel is 30 r/min；
The diamond saw blade qualification rate produced by embodiment two reaches 98%.
Embodiment three：A kind of dry ripple saw blade of high-strength diamond, the diamond saw blade include major ingredient according to volume fraction：Gold
Hard rock 14%, copper 22%, iron 42%, tin 4%, nickel 6%, cobalt 8% and auxiliary material alloyed powder 4%.
Unlike the technique of embodiment one：
（3）Premixing：30min is mixed, after iron and cobalt mix, is added simultaneously from the apparatus for feeding of premixing mechanism
Remaining diamond, copper, tin, nickel and alloyed powder, the charging rate of copper are set to 1.5 times of input diamonds speed, and siccative is pre-
The time of mixing is 5h；
（4）It is total mixed：Using Zong Hun mechanisms 2, to through step（3）Wetting agent is added in the siccative of premixing, is stirred, is moistened
Wet time 2.5h；
（5）Cold pressing：Get mould ready, install matrix before cold moudling in a mold, the compound after always mixing is through weighing, dress powder
Process, which is added in the mould of cold-compacting forming device, carries out compressing, the last demoulding of one, cold pressing pressure 3.5T/cm2, protect
Press 4s, press time 8s；
（6）Sintering：Heating-up temperature T=860 DEG C of sintering furnace 14, sintering time 1.8h, nitrogen hydrogen is passed through in sintering process and is mixed
Close gas, intake 0.6m3/min；
（7）Cooling：After the completion of sintering, sintering furnace 14 is removed by elevating mechanism, continues through nitrogen and hydrogen mixture cooling,
The m of intake 0.83/ min, cool time 2h, is made semi-finished product；
（8）Surface treatment：Diamond semi-finished product after cooling load on multiple-station rotation processing disk 7, by the more of rotation
Individual wire wheel 11 is surface-treated, dedusting, descale, and the rotating speed of rotating process disk 7 is 15r/min, and wire wheel 11 turns
Speed is 30 r/min；
（10）Put the first edge on a knife or a pair of scissors：Painted diamond semi-finished product put the first edge on a knife or a pair of scissors on edging device, and edging device is provided with emery wheel, sand
The rotating speed of wheel is 35 r/min；
The qualification rate of the diamond saw blade 12 produced by embodiment three reaches 98%.
Claims (7)
1. a kind of dry ripple saw blade cold pressing forming process of high-strength diamond, it is characterised in that comprise the following steps：
（1）Dispensing：Matched according to volume fraction and choose major ingredient：Diamond 12-15%, copper 20-25%, iron 40-45%, tin 3-8%, nickel
5-8%, cobalt 5-8% and auxiliary material alloyed powder 3-5%, it is standby；
（2）Sieving：The dispensing got ready through step 1 crosses 35,40,45 mesh mesh screens and carries out three level screen successively；
（3）Premixing：Using premixing mechanism, first iron and cobalt are mixed, mix 30-40min, after iron and cobalt mix, from
Remaining diamond, copper, tin, nickel and alloyed powder are added simultaneously in the apparatus for feeding of premixing mechanism, the charging rate of copper is set
For 1.5-2 times of input diamonds speed, the time of siccative premixing is 5-6h；Set at the charging aperture of the apparatus for feeding used
Multiple feed wells, each feed well correspond to a kind of raw material, and each feed well is conically shaped, and vertically 3- is provided with each conically shaped
The transition funnel that 5 feed opening bores are sequentially reduced, and in the feed well of copper a transition funnel of bottom feed opening
Bore is set to 1.5-2 times of the feed opening caliber size of a transition funnel of bottom in input diamonds groove；
（4）It is total mixed：Using Zong Hun mechanisms, to through step（3）Wetting agent is added in the siccative of premixing, is stirred, during wetting
Between 2-3h, the usage amount of wetting agent is the 1/1000 of raw material total amount；
（5）Cold pressing：Get mould ready, install matrix before cold moudling in a mold, the compound after always mixing is through weighing, dress powder process
It is added in the mould of cold-compacting forming device and carries out compressing, the last demoulding of one, cold pressing pressure 2.5-3.5T/cm2, protect
Press 3-5s, press time 8-10s；
（6）Sintering：Through step（5）Some sintering furnaces are delivered to sintering region by the crude product of cold moudling by elevating mechanism,
Sintering region be provided with it is corresponding with each sintering furnace sinter bearing, be vertically provided with the sintering bearing some loads folder and
Graphite cake is pressed from both sides, and load folder is arranged at intervals with graphite cake folder, during sintering, first fills diamond saw blade on each load folder
Crude product, while graphite cake is loaded onto on graphite cake folder, then, sintering furnace is correspondingly delivered to sintering support position by elevating mechanism,
And be tightly connected by Hermetical connecting structure, T=860-880 DEG C of heating-up temperature, sintering time 1.5-2h, lead in sintering process
Enter nitrogen and hydrogen mixture, intake 0.5-0.8m3/min；
（7）Cooling：After the completion of sintering, sintering furnace is removed by elevating mechanism, continues through nitrogen and hydrogen mixture cooling, intake
0.8-1.0 m3/ min, cool time 2-2.5h, is made semi-finished product；
（8）Surface treatment：Diamond semi-finished product after cooling load on multiple-station rotation processing disk, by multiple steel wires of rotation
Wheel is surface-treated, and dedusting, descale, the rotating speed of rotating process disk is 15-20r/min, and the rotating speed of wire wheel is 30-40
r/min；
（9）Spray painting：The diamond semi-finished product that surface treated is crossed spray metallic paint on paint spraying frame；
（10）Put the first edge on a knife or a pair of scissors：Painted diamond semi-finished product put the first edge on a knife or a pair of scissors on edging device, and edging device is provided with emery wheel, emery wheel
Rotating speed is 30-35 r/min.
2. the dry ripple saw blade cold pressing forming process of a kind of high-strength diamond according to claim 1, it is characterised in that described
Step（3）With the step（4）The used integrated mixing apparatus of premixing mechanism and Zong Hun mechanism, integration mixing
Equipment upper end sets premixing mechanism, and lower end sets Zong Hun mechanisms, passes through controlled valve between premixing mechanism and Zong Hun mechanisms
Blanking is controlled, and a circle wetting agent pipeline is set on the periphery of Zong Hun mechanisms, equidistant intervals are set below wetting agent pipeline
Put wetting agent feeder.
3. the dry ripple saw blade cold pressing forming process of a kind of high-strength diamond according to claim 2, it is characterised in that described
Step（6）The sintering furnace used during " sintering " is movable type electric furnace, and conveying mechanism is Hangzhoupro car jacking equipment, and the sealing connects
Binding structure is divided into Hermetical connecting structure and lower Hermetical connecting structure, and bonnet is set in each movable type electric furnace, and in institute
The base for stating bonnet sets a upper Hermetical connecting structure of circle, and the upper Hermetical connecting structure is that bottom surface with some cross sections is cone
The fastener one of shape shape, and the sophisticated position of each conical by its shape is arranged to circular arc.
4. the dry ripple saw blade cold pressing forming process of a kind of high-strength diamond according to claim 3, it is characterised in that described
Sinter the fastener two that bearing is provided with the clamping that coincide with the upper Hermetical connecting structure sealing.
5. the dry ripple saw blade cold pressing forming process of a kind of high-strength diamond according to claim 4, it is characterised in that described
Some loads folder and graphite cake folder set on sintering bearing, the load folder is with being circular accommodating among graphite cake folder
Groove, both sides are U-shaped clamping slot, and graphite cake folder is made of graphite, and cellular passage is set on the graphite cake.
6. the dry ripple saw blade cold pressing forming process of a kind of high-strength diamond according to claim any one of 1-5, its feature
It is, the step（8）Used multiple-station rotation processing disk includes operating desk, rotation processing during " surface treatment "
Disk, transmission mechanism, transmission mechanism drive rotating process disk uniform rotation on operating desk, multiple positioning are set on rotating process disk
Post, a diamond saw blade is correspondingly arranged in each locating dowel, wire wheel is arranged in rotating process disk side, and wire wheel
Alignment locating dowel is arranged above.
7. the dry ripple saw blade cold pressing forming process of a kind of high-strength diamond according to claim 6, it is characterised in that described
Step（8）" surface treatment " process and the step（10）Dust collection equipment is equipped with during " putting the first edge on a knife or a pair of scissors ".
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| DE102006026415A1 (en) * | 2006-06-07 | 2008-01-03 | Yu, Fang-Chun, Ying Ko | Diamond saw blade/drill bit for diamond milling, has shaft opening or front end having rim with multiple equidistant openings for positioning diamond grains, and electroplated diamond layer bonded on cutting edge |
| CN101380784A (en) * | 2008-10-14 | 2009-03-11 | 广东奔朗超硬材料制品有限公司 | Saw blade and production method thereof |
| CN101407045A (en) * | 2008-11-25 | 2009-04-15 | 北京科技大学 | Diamond grinding block and preparation thereof |
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| JPS5969268A (en) * | 1982-10-08 | 1984-04-19 | Kaken:Kk | Diamond saw |
| JP2004174680A (en) * | 2002-11-28 | 2004-06-24 | Kanai Hiroaki | Fixed abrasive grain type saw wire and its abrasive grain fixing method |
| JP2005319527A (en) * | 2004-05-07 | 2005-11-17 | Hoshun Yu | Diamond saw |
| KR20110013688A (en) * | 2009-08-03 | 2011-02-10 | 임금숙 | Method for manufacturing of cutting tip for saw and structure thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006026415A1 (en) * | 2006-06-07 | 2008-01-03 | Yu, Fang-Chun, Ying Ko | Diamond saw blade/drill bit for diamond milling, has shaft opening or front end having rim with multiple equidistant openings for positioning diamond grains, and electroplated diamond layer bonded on cutting edge |
| CN101380784A (en) * | 2008-10-14 | 2009-03-11 | 广东奔朗超硬材料制品有限公司 | Saw blade and production method thereof |
| CN101407045A (en) * | 2008-11-25 | 2009-04-15 | 北京科技大学 | Diamond grinding block and preparation thereof |
| CN102310235A (en) * | 2011-08-09 | 2012-01-11 | 泉州市洛江区双阳金刚石工具有限公司 | Diamond saw bit used for cutting alloy steel and preparation process thereof |
| CN105463291A (en) * | 2015-12-09 | 2016-04-06 | 博深工具股份有限公司 | Fully-prealloyed powder and preparation method thereof |
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