CN105834518B - High intensity continuous tooth diamond saw blade hot press forming technology - Google Patents
High intensity continuous tooth diamond saw blade hot press forming technology Download PDFInfo
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- CN105834518B CN105834518B CN201610332386.5A CN201610332386A CN105834518B CN 105834518 B CN105834518 B CN 105834518B CN 201610332386 A CN201610332386 A CN 201610332386A CN 105834518 B CN105834518 B CN 105834518B
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- 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
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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
- B28D1/04—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs
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Abstract
The invention discloses high intensity continuous tooth diamond saw blade and its hot press forming technology, the continuous tooth diamond saw blade includes major ingredient according to volume fraction：Diamond 12 15%, copper 20 26%, iron 40 42%, tin 3 8%, nickel 5 10%, cobalt 5 10% and auxiliary material alloyed powder 3 5%；Mainly the surface treatment spray painting of high-frequency welding secondary cooling is once cooled down through the total mixed preforming hot pressed sintering of cold pressing of dispensing premixing the step such as put the first edge on a knife or a pair of scissors to produce the continuous tooth 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 diamond saw blade, more particularly to a kind of high intensity continuous tooth diamond saw blade hot press forming technology.
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 hot-forming work of high intensity continuous tooth diamond saw blade
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, the technique is Pressurized-heated technique, different from the sintering process of movable type electric furnace, the work
Skill Pressurized-heated simultaneously in closed environment is wear-resisting by the technique and diamond saw blade its intensity enhancing of formula production
Property also improves, and the life during actual use greatly saves production cost, has saved resource, and the work
Skill is into environmental protection, health, safety during production.
To achieve these goals, the technical solution adopted in the present invention is as follows：
High intensity continuous tooth diamond saw blade, the continuous tooth diamond saw blade include major ingredient according to volume fraction：Diamond
12-15%, copper 20-26%, iron 40-42%, tin 3-8%, nickel 5-10%, cobalt 5-10% and auxiliary material alloyed powder 3-5%.
High intensity continuous tooth diamond saw blade hot press forming technology, 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）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；
（3）It is total mixed：Using Zong Hun mechanisms, to through step（2）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；
（4）It is cold-pressed preforming：Get mould ready, install matrix before cold moudling in a mold, the compound after always mixing is through claiming
Material, dress powder process, which are 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, it is cold-pressed to thickness 3mm；
（5）Hot pressed sintering：Using hot press, it is divided into volatilization period, hot press period and packing stage, wherein, volatilization period
T=680-700 DEG C of temperature, pressure F=1.0T/cm2, volatilize time t=2.5-3min；Temperature T=700-780 of hot press period
DEG C, pressure F=2.0T/cm2, hot pressing time t=2-2.5min；T=800-850 DEG C of the temperature of packing stage, pressure F=2.0T/cm2,
Dwell time t=5-6min；In volatilization period temperature, from initial 0 DEG C, gradually heating height is to 680-700 DEG C, with temperature per minute
50 DEG C of speed of rise is increased to 680-700 DEG C, and whole process is completed in closed environment, it is hot-forming to thickness be 2mm；
（6）Once cool down：After hot pressed sintering, first gravity-flow ventilation cools down 30-40min, then by temperature is 4-8 DEG C cold
Gas is quickly cooled down, and intake is 0.8-1.0 m3/ min, cool time 2-2.5h, is made semi-finished product；
（7）High-frequency welding：Welded using bonding machine, cutter head mill arc, be welded with agent and weld tabs, 680-720 DEG C of welding temperature, protect
The warm 2-3 seconds, by semi-finished product and body welding fabrication；
（8）Secondary cooling：After welding fabrication, the natural cooling time is 1.5-2h under natural environment, then passes to 5-10
DEG C cold air quickly cooled down, intake is 1.5-2.0 m3/ min, cool time 3-4h；
（9）Surface treatment：Semi-finished product after secondary cooling are loaded on multiple-station rotation processing disk, by the more of rotation
Individual wire wheel is surface-treated, dedusting, descale, and the rotating speed of rotating process disk is 15-20r/min, the rotating speed of wire wheel
For 30-40 r/min；
（10）Spray painting：The diamond semi-finished product that surface treated is crossed spray metallic paint on paint spraying frame；
（11）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；
（12）Lettering, packaging, storage.
Further improvement of the present invention is：The step（2）With the step（3）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（2）The charging of the apparatus for feeding used during " premixing "
Multiple feed wells are set at mouthful, and each feed well corresponds to a kind of raw material, and each feed well is conically shaped, is erected in each conically shaped
To the transition funnel being sequentially reduced provided with 3-5 feed opening bore, and in the feed well of copper bottom a transition funnel
Feed opening bore be set to 1.5-2 times of feed opening caliber size of a transition funnel of bottom in input diamonds groove.
Further improvement of the present invention is：The step（5）The rectangle of resistor disc used in " hot pressed sintering "
Each right angle of structure is set to 45 ° of chamfering.
Further improvement of the present invention is：The step（9）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（9）" surface treatment " process and the step（11）" 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 continuous tooth diamond saw blade；
Secondly：Resistance shape in hot press is improved, existing is square structure, the square feature cross-section
Product is big, and resistance is small, and heating is slow, therefore the present invention is not influenceing resistance in itself on the premise of other performances, and the shape of resistance is carried out
Improve, each right-angle side of square structure is specifically provided with to 45 ° of chamfering, formation is the knot of isosceles-trapezium-shaped up and down
It structure, can so reduce the cross-sectional area of resistance, increase resistance, and improve firing rate；
Third, the present invention carries out hot pressed sintering by the way of Pressurized-heated, it is one during being somebody's turn to do unlike sintering
Directly pressurize, and in the different phase of hot pressing, its pressure is changed, and hot pressing efficiency and heat can be improved using this kind of mode
Press effect；
Fourth, premixing and total mix use integrated mixing apparatus, the integrated mixing apparatus not only saves space, moreover it is possible to
Process is reduced, the directly raw material through premixing is quickly entered in Zong Hun mechanisms by controlled valve and soaked, the effect of mixing
Rate is greatly enhanced, and the present invention sets conically shaped in the position of charging aperture, set in conically shaped for the uniformity of batch mixing
The transition funnel that 3-5 feed opening bore is sequentially reduced is put, and in the feed well of copper under a transition funnel of bottom
Material mouth bore is set to 1.5-2 times of the feed opening caliber size of a transition funnel of bottom in input diamonds groove, so
Blanking while property and uniformity can be ensured, compounding effect is preferable, the matter of last compressing continuous tooth diamond saw blade
Amount is uniform；
Fifth, 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 continuous tooth 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.
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-
Controlled valve.
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：High intensity continuous tooth diamond saw blade, the continuous tooth diamond saw blade include master according to volume fraction
Material：Diamond 12%, copper 26%, iron 40%, tin 6%, nickel 5%, cobalt 8% and auxiliary material alloyed powder 3%.
High intensity continuous tooth diamond saw blade hot press forming technology, 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）Premixing：Using premixing mechanism 1, first iron and cobalt are mixed, mix 40min, after iron and cobalt mix,
Remaining diamond, copper, tin, nickel and alloyed powder, the charging rate of copper are added from the apparatus for feeding of premixing mechanism simultaneously
2 times of input diamonds speed are set to, 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
2 times of the feed opening caliber size of one transition funnel 4 of lower end, the present invention set what 3-5 feed opening bore was sequentially reduced
The purpose of transition funnel 4 is to be able to realize blanking simultaneously, can so ensure blanking while property and uniformity, batch mixing effect
Fruit is preferable, the uniform quality of last compressing continuous tooth diamond saw blade 12；
（3）It is total mixed：Using Zong Hun mechanisms 2, to through step（2）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
Cross controlled valve 13 and control blanking, and a circle wetting agent pipeline 5 is set on the periphery of Zong Hun mechanisms 2, under wetting agent pipeline 5
Just be equidistantly spaced wetting agent feeder 6, and wetting agent feeder 6 is connected in Zong Hun mechanisms 2 by jointed shaft, wetting agent
Feeder 6 is obliquely installed when feeding by jointed shaft, and realizes inclination charging, and the wetting agent of wetting agent pipeline 5 passes through fluid hole
Directly fall in wetting agent feeder 6, and realize wing drop feed liquor, wetting agent feeder 6 can seal with Zong Hun mechanisms 2
It is connected together, after tilting charging, wetting agent feeder 6 is engaged into sealed connection with Zong Hun mechanisms 2, so passes through a circle
Wetting agent feeder 6 can realize the uniform wet effect to raw material, and apply wetting agent conveniently from the periphery of Zong Hun mechanisms 2；
（4）It is cold-pressed preforming：Get mould ready, install matrix before cold moudling in a mold, the compound after always mixing is through claiming
Material, dress powder process, which are added in the mould of cold-compacting forming device, carries out compressing, the last demoulding of one, and cold pressing pressure is
3.0T/cm2, pressurize 5s, press time 10s, it is cold-pressed to thickness 3mm, it is to be molded at twice to carry out being cold-pressed preforming purpose, into
The effect of type, caused disqualification rate are low；
（5）Hot pressed sintering：Using hot press, it is divided into volatilization period, hot press period and packing stage, wherein, volatilization period
Temperature T=700 DEG C, volatilize time t=3min, volatilization period temperature from initial 0 DEG C gradually heating height to 700 DEG C, with every
The speed that minute temperature raises 50 DEG C is increased to 700 DEG C, and whole process is completed in closed environment, when temperature and pressure is in
Should in the range of when, wetting agent can be evaporated to greatest extent, and at this stage can gradually rising with temperature, energy
Enough volatilize fuel-displaced, impurity and harmful substance etc., whether volatilization period volatilizees completely, is the basis of hot-forming quality；Hot pressing
Temperature T=700 DEG C in stage, hot pressing time t=2min；Temperature T=850 DEG C of packing stage, dwell time t=5min；It is hot pressed into
Type to thickness is 2mm；
Each right angle of the rectangle structure of resistor disc used in " hot pressed sintering " is set to 45 ° of chamfering, shape
Into the structure for being up and down isosceles-trapezium-shaped, it can so reduce the cross-sectional area of resistance, increase resistance, and improve heating
Speed；
（6）Once cool down：After hot pressed sintering, first gravity-flow ventilation cools down 30min, then passes through cold air that temperature is 4-8 DEG C
Quickly cooled down, intake 0.8m3/ min, cool time 2h, is made semi-finished product；
（7）High-frequency welding：Welded using bonding machine, cutter head mill arc, be welded with agent and weld tabs, 700 DEG C of welding temperature, insulation 2
Second, by semi-finished product and body welding fabrication；
（8）Secondary cooling：After welding fabrication, the natural cooling time is 1.5-2h under natural environment, then passes to 5-10
DEG C cold air quickly cooled down, intake is 2.0 m3/ min, cool time 3h；
（9）Surface treatment：Semi-finished product after secondary cooling are loaded on multiple-station rotation processing disk, by the more of rotation
Individual wire wheel is surface-treated, dedusting, descale, and the rotating speed of rotating process disk 7 is 20r/min, the rotating speed of wire wheel 11
For 40 r/min；
As shown in Figure 2,3, used multiple-station rotation processing disk 7 includes operating desk, rotating process disk 7 during being somebody's turn to do,
Transmission mechanism, transmission mechanism drive the uniform rotation on operating desk of rotating process disk 7, multiple positioning are set on rotating process disk 7
Post 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 wire wheel 11 is directed at being arranged above for locating dowel 10, dust collection equipment, table are connected by sweep-up pipe on rotating process disk 7
Can there are many dusts and impurity in the processing procedure of face, it is necessary to be processed in time, the environmental protection that otherwise can influence workshop is asked
Topic, can also be impacted to the physical and mental health of worker, and wire wheel 11 is driven by small machine 9 at the uniform velocity to be rotated, and rotating process disk 7 is logical
Excessive motor 8, which drives, at the uniform velocity to be rotated, and both combine and the surface of continuous tooth diamond saw blade 12 is handled, and pass through locating dowel
10 being capable of Fast Installation, dismounting；
（10）Spray painting：The diamond semi-finished product that surface treated is crossed spray metallic paint on paint spraying frame；
（11）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；
（12）Lettering, packaging, storage.
The qualification rate of the diamond saw blade produced by embodiment one reaches 99%.
Embodiment two：High intensity continuous tooth diamond saw blade, the continuous tooth diamond saw blade include master according to volume fraction
Material：Diamond 15%, copper 20%, iron 42%, tin 3%, nickel 10%, cobalt 5% and auxiliary material alloyed powder 5%.
Unlike the technique of embodiment one：
（2）Premixing：Using premixing mechanism 1, first iron and cobalt are mixed, mix 35min, after iron and cobalt mix,
Remaining diamond, copper, tin, nickel and alloyed powder, the charging rate of copper are added from the apparatus for feeding of premixing mechanism simultaneously
1.5 times of input diamonds speed are set to, the time of siccative premixing is 5.5h；
And the feed opening bore of a transition funnel 4 of bottom is set to most lower in input diamonds groove in the feed well of copper
1.5 times of the feed opening caliber size of one transition funnel 4 at end；
（3）It is total mixed：Using Zong Hun mechanisms 2, to through step（2）Wetting agent is added in the siccative of premixing, is stirred, is moistened
Wet time 2.5h；
（4）It is cold-pressed preforming：Get mould ready, install matrix before cold moudling in a mold, the compound after always mixing is through claiming
Material, dress powder process, which are added in the mould of cold-compacting forming device, carries out compressing, the last demoulding of one, and cold pressing pressure is
2.5T/cm2, pressurize 4s, press time 9s, it is cold-pressed to thickness 3mm, it is to be molded at twice to carry out being cold-pressed preforming purpose, into
The effect of type, caused disqualification rate are low；
（5）Hot pressed sintering：Using hot press, it is divided into volatilization period, hot press period and packing stage, wherein, volatilization period
Temperature T=690 DEG C, volatilize time t=2.5min；Temperature T=740 DEG C of hot press period, hot pressing time t=2.5min；Pressurize rank
Temperature T=820 DEG C of section, dwell time t=6min；It is hot-forming to thickness be 2mm；
（6）Once cool down：After hot pressed sintering, first gravity-flow ventilation cools down 35min, then passes through cold air that temperature is 4-8 DEG C
Quickly cooled down, intake 0.8m3/ min, cool time 2.0h, is made semi-finished product；
（7）High-frequency welding：Welded using bonding machine, cutter head mill arc, be welded with agent and weld tabs, 720 DEG C of welding temperature, insulation 2
Second, by semi-finished product and body welding fabrication；
（8）Secondary cooling：After welding fabrication, the natural cooling time is 1.5-2h under natural environment, then passes to 5-10
DEG C cold air quickly cooled down, intake is 1.8 m3/ min, cool time 4h；
（9）Surface treatment：Semi-finished product after secondary cooling are loaded on multiple-station rotation processing disk, by the more of rotation
Individual wire wheel is surface-treated, dedusting, descale, and the rotating speed of rotating process disk 7 is 18r/min, the rotating speed of wire wheel 11
For 35 r/min；
（11）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 qualification rate of the diamond saw blade 12 produced by embodiment two reaches 98%.
Embodiment three：High-strength abrasion-proof diamond saw blade 12, the diamond saw blade 12 include major ingredient according to volume fraction：Gold
Hard rock 15%, copper 20%, iron 42%, tin 3%, nickel 10%, cobalt 5% and auxiliary material alloyed powder 5%.
Unlike the technique of embodiment one：
（2）Premixing：Using premixing mechanism 1, first iron and cobalt are mixed, mix 30min, after iron and cobalt mix,
Remaining diamond, copper, tin, nickel and alloyed powder, the charging rate of copper are added from the apparatus for feeding of premixing mechanism simultaneously
1.5 times of input diamonds speed are set to, the time of siccative premixing is 5h；
And the feed opening bore of a transition funnel 4 of bottom is set to most lower in input diamonds groove in the feed well of copper
1.5 times of the feed opening caliber size of one transition funnel 4 at end；
（3）It is total mixed：Using Zong Hun mechanisms 2, to through step（2）Wetting agent is added in the siccative of premixing, is stirred, is moistened
Wet time 2.5h；
（4）It is cold-pressed preforming：Get mould ready, install matrix before cold moudling in a mold, the compound after always mixing is through claiming
Material, dress powder process, which are added in the mould of cold-compacting forming device, carries out compressing, the last demoulding of one, and cold pressing pressure is
3.5T/cm2, pressurize 4s, press time 8s, it is cold-pressed to thickness 3mm, it is to be molded at twice to carry out being cold-pressed preforming purpose, into
The effect of type, caused disqualification rate are low；
（5）Hot pressed sintering：Using hot press, it is divided into volatilization period, hot press period and packing stage, wherein, volatilization period
Temperature T=680 DEG C, volatilize time t=2.5min；Temperature T=780 DEG C of hot press period, hot pressing time t=2.5min；Pressurize rank
Temperature T=800 DEG C of section, dwell time t=6min；It is hot-forming to thickness be 2mm；
（6）Once cool down：After hot pressed sintering, first gravity-flow ventilation cools down 40min, then passes through cold air that temperature is 4-8 DEG C
Quickly cooled down, intake 0.8m3/ min, cool time 2h, is made semi-finished product；
（7）High-frequency welding：Welded using bonding machine, cutter head mill arc, be welded with agent and weld tabs, 680 DEG C of welding temperature, insulation 3
Second, by semi-finished product and body welding fabrication；
（8）Secondary cooling：After welding fabrication, the natural cooling time is 1.5-2h under natural environment, then passes to 5-10
DEG C cold air quickly cooled down, intake is 1.5 m3/ min, cool time 4h；
（9）Surface treatment：Semi-finished product after secondary cooling are loaded on multiple-station rotation processing disk, by the more of rotation
Individual wire wheel is surface-treated, dedusting, descale, and the rotating speed of rotating process disk 7 is 15r/min, the rotating speed of wire wheel 11
For 30 r/min；
（11）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 (6)
1. high intensity continuous tooth diamond saw blade hot press forming technology, it is characterised in that comprise the following steps：
（1）Dispensing：Include major ingredient according to volume fraction：Diamond 12-15%, copper 20-26%, iron 40-42%, tin 3-8%, nickel 5-
10%th, cobalt 5-10% and auxiliary material alloyed powder 3-5%, it is standby；
（2）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；
（3）It is total mixed：Using Zong Hun mechanisms, to through step（2）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；
（4）It is cold-pressed preforming：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, it is cold-pressed to thickness 3mm；
（5）Hot pressed sintering：Using hot press, it is divided into volatilization period, hot press period and packing stage, wherein, the temperature of volatilization period
T=680-700 DEG C of degree, pressure F=1.0T/cm2, volatilize time t=2.5-3min；T=700-780 DEG C of the temperature of hot press period, pressure
Power F=2.0T/cm2, hot pressing time t=2-2.5min；T=800-850 DEG C of the temperature of packing stage, pressure F=2.0T/cm2, pressurize
Time t=5-6min；In volatilization period temperature, from initial 0 DEG C, gradually heating height is to 680-700 DEG C, with temperature per minute rise
50 DEG C of speed is increased to 680-700 DEG C, and whole process is completed in closed environment, it is hot-forming to thickness be 2mm；
（6）Once cool down：After hot pressed sintering, first gravity-flow ventilation cools down 30-40min, then is entered by the cold air that temperature is 4-8 DEG C
The quick cooling of row, intake is 0.8-1.0 m3/ min, cool time 2-2.5h, is made semi-finished product；
（7）High-frequency welding：Welded using bonding machine, cutter head mill arc, be welded with agent and weld tabs, 680-720 DEG C of welding temperature, be incubated 2-
3 seconds, by semi-finished product and body welding fabrication；
（8）Secondary cooling：After welding fabrication, the natural cooling time is 1.5-2h under natural environment, then passes to 5-10 DEG C
Cold air is quickly cooled down, and intake is 1.5-2.0 m3/ min, cool time 3-4h；
（9）Surface treatment：Semi-finished product after secondary cooling are loaded on multiple-station rotation processing disk, by multiple steel of rotation
Silk 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；
（10）Spray painting：The diamond semi-finished product that surface treated is crossed spray metallic paint on paint spraying frame；
（11）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；
（12）Lettering, packaging, storage.
2. high intensity continuous tooth diamond saw blade hot press forming technology according to claim 1, it is characterised in that the step
Suddenly（2）With the step（3）The used integrated mixing apparatus of premixing mechanism and Zong Hun mechanism, integration mixing are set
Standby upper end sets premixing mechanism, and lower end sets Zong Hun mechanisms, gated between premixing mechanism and Zong Hun mechanisms by switch valve
Blanking processed, and a circle wetting agent pipeline is set on the periphery of Zong Hun mechanisms, it is equidistantly spaced below wetting agent pipeline
Wetting agent feeder.
3. high intensity continuous tooth diamond saw blade hot press forming technology according to claim 2, it is characterised in that the step
Suddenly（2）Multiple feed wells, the corresponding one kind of each feed well are set at the charging aperture of the apparatus for feeding used during " premixing "
Raw material, each feed well are conically shaped, the transition leakage being vertically sequentially reduced in each conically shaped provided with 3-5 feed opening bore
Bucket, and the feed opening bore of a transition funnel of bottom is set to bottom in input diamonds groove in the feed well of copper
1.5-2 times of the feed opening caliber size of one transition funnel.
4. high intensity continuous tooth diamond saw blade hot press forming technology according to claim 3, it is characterised in that the step
Suddenly（5）Each right angle of the rectangle structure of resistor disc used in " hot pressed sintering " is set to 45 ° of chamfering.
5. high intensity continuous tooth diamond saw blade hot press forming technology according to claim 4, it is characterised in that the step
Suddenly（9）Used multiple-station rotation processing disk includes operating desk, rotating process disk during " surface treatment ", transmission mechanism,
Transmission mechanism drives rotating process disk uniform rotation on operating desk, and multiple locating dowels are set on rotating process disk, each positioning
A diamond saw blade is correspondingly arranged on post, wire wheel is arranged in rotating process disk side, and wire wheel alignment locating dowel
Be arranged above.
6. high intensity continuous tooth diamond saw blade hot press forming technology according to claim 5, it is characterised in that the step
Suddenly（9）" surface treatment " process and the step（11）Dust collection equipment is equipped with during " putting the first edge on a knife or a pair of scissors ".
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| CN108145864B (en) * | 2016-12-05 | 2020-01-31 | 江苏友和工具有限公司 | Diamond saw blade suitable for 120V low-speed cutting equipment |
| CN108149098A (en) * | 2017-12-26 | 2018-06-12 | 江苏超峰工具有限公司 | A kind of diamond saw sheet material and manufacturing process |
| CN115522109B (en) * | 2022-10-10 | 2023-09-26 | 江苏超峰工具有限公司 | High-strength diamond saw blade and preparation method thereof |
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