CN104480338B - A kind of hard alloy ultra-thin circular knife production system - Google Patents
A kind of hard alloy ultra-thin circular knife production system Download PDFInfo
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- CN104480338B CN104480338B CN201410775602.4A CN201410775602A CN104480338B CN 104480338 B CN104480338 B CN 104480338B CN 201410775602 A CN201410775602 A CN 201410775602A CN 104480338 B CN104480338 B CN 104480338B
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Abstract
The invention discloses a kind of hard alloy ultra-thin circular knife production system, belong to the process units technical field producing hard alloy.A kind of hard alloy ultra-thin circular knife production system of the present invention, including ball mill mixing arrangement, drying device, decompressor, graphite planar boat device, sintering equipment and lapping device, drying device connects alcohol recovery device；Graphite planar boat device includes graphite planar boat processing mechanism and graphite planar boat frame；Sintering equipment includes true temp curve controlled mechanism；Lapping device includes Ultrathin blade adsorbing mechanism.This invention ensures that stability and the qualification rate of hard alloy ultra-thin circular knife quality, whole technique had both ensured the personal safety of operative employee and had avoided environmental pollution, production efficiency more than 50% can be improved again, for identical production capacity, it is possible to reduce equipment investment；Various recovery comprehensive utilization device, can save the energy, lower production cost, enhance one's market competitiveness.
Description
Technical field
The invention belongs to produce the production technical field of hard alloy, be specifically related to a kind of hard alloy ultra-thin circular knife production system.
Background technology
Hard alloy introduces China from the sixties in last century, and current China has become as the first in the world CEMENTED CARBIDE PRODUCTION and consumption
Big country.Hard metal article has the excellent serviceability equaling to diamond, brings higher quality and benefit to the life of people,
It is deep into the every aspect of people's life.Hard alloy demand is increasing now, but CEMENTED CARBIDE PRODUCTION flow process phase
To more complicated, with high content of technology, production cost is high.Reduce production cost, raising product quality is that raising hard alloy market is competing
Strive the key of power, but present most of producer is not owing to having good recovery to realize, to auxiliary materials used in production process such as
Paraffin, ethanol etc. or the graphite dust produced the most do not reclaim, and human body also can be caused by the waste both having caused production cost
Endanger and to environment.
The each procedure of CEMENTED CARBIDE PRODUCTION requires the highest, and such as sintering have to be sintered to 1400～1500 DEG C under protective atmosphere,
Must produce in special airtight sintering furnace, and during hart metal product sintering, blank must necessarily be placed in the resistant to elevated temperatures stone of a kind of energy
On ink boat.Therefore, hart metal product quality ensures by the way such as equipment, production technology completely.People are to equipment and life
Production. art has put into a lot of manpower and materials and has studied and improve, and achieves the achievement much allowing people pleasantly surprised.Same hard closes
Equipment and technique that gold copper-base alloy is advanced produce, and can improve about 50% service life.But the research that people are to graphite boat
Not attracting great attention, hard alloy quality is also had a great impact by actually material and the shape of graphite boat, more important
Hard alloy demand increase, prior art increases yield have to increase sintering furnace, and sintering furnace least significant end also want tens
Ten thousand, high-end is up to ten million, and investment of production is big.In fact can also try every possible means in shape from boat, increase and utilize space, same
Equipment can effectively increase yield, reduces equipment investment, reduces cost.Graphite material kind is also a lot, and impurity height can affect
Furnace atmosphere during sintering, and then affect alloy product quality, the low graphite of intensity natively can affect service life.
Chinese Patent Application No.: 200820052895.3, the patent documentation of publication date: 2009-4-1 discloses a kind of hard alloy
Sintering boat, this utility model has the rectangle boat body of some the rectangle skewed slots accommodating hart metal product blank,
Each skewed slot is parallel to each other, and the cross section of each skewed slot is the rectangle of opening, and inclined trough surface and boat bottom surface be at 45 °～60 ° of angles.
The upper plane of boat body has an inner concave, and the lower plane of described boat body has a lower convex platform, described lower convex platform
Shape can match with inner concave.Due to each skewed slot arranged in parallel, add the useful load of single boat, simultaneously because
It is provided with lower convex platform and matches stacked with the inner concave of another boat, considerably increase the space availability ratio in stove, also ensure that
Boat stack neat and consistent, this utility model is during specifically used, although solve the problem of giving vent to anger in dewaxing process,
But owing to inclined trough surface has certain angle, the product entering stove is also at heeling condition in sintering process, under the atmosphere of high temperature, warp
The quality problems being often deformed.
Chinese Patent Application No.: 201310747611.8, it is raw that the patent documentation of publication date: 2014-4-2 discloses a kind of hard alloy
Production. art.This invention relates to the weight of the broken end material produced in a kind of hard alloy production process, particularly hard alloy extrusion process
The multiple method utilized.Concrete technology step includes: prepared by (1) compound: dispensing → ball milling → be dried → homogenization crushes,
Obtain powder；(2) extruding compound: mixing granulation → extruding → natural air drying → heat drying → processing cutting, obtains semi-finished product；
(3) sintering；(4) finished product inspection packaging warehouse-in.Step (2) mainly produces broken end material, passes it through homogenization and crush
Process, add and how to hide mixing granulation from, then through subsequent steps such as extruding, this invention optimizes broken end while guaranteeing properties of product
The technological process that material processes, is greatly lowered cost.The step that carrier graphite planar boat is not processed by this invention, by
In high temperature sintering can by graphite planar boat in can affect hard alloy quality composition volatilization, and not through special coating brushing
Graphite planar boat can by sintering after hard alloy adhesion, it is not easy to discharging, force discharging can cause damage graphite planar boat
Ware and finished product hard alloy, therefore, there is certain technological deficiency in this invention.
Chinese patent Authorization Notice No.: 101343697B, the patent documentation of publication date: 2010-6-23 discloses a kind of hard
The dewaxing and sintering integrated technique of the big goods of alloy, step is as follows: first applying argon gas in stove, then uses hydrogen exchange argon, controls stove
Interior pressure is 1.01 × 105～1.03 × 105Pa；Under conditions of hydrogen flowing quantity is 240～260L/min, carries out staged and rise gentleness
Insulation, gets rid of wax moulding agent；In soak after being warming up to 450 DEG C, adjustment furnace atmosphere is negative pressure, uses hydrogen arteries and veins
Stamping press washes away, and gets rid of residual paraffin forming agent in stove；After wax moulding agent is got rid of, it is warming up to 1300～1350 DEG C and carries out
Vacuum-sintering；The vacuum-sintering later stage is filled with argon, carries out Ar-sintering at a temperature of 1350～1450 DEG C；Argon shield is burnt
After having tied, quickly cool down.The present invention is under the conditions of pressure-fired hydrogen atmosphere, and staged heating and heat preservation, dewaxing efficiency is high, produces
Product non-scale, product carbon amounts control accuracy is the highest, and the alloy cobalt magnetic value after top hammer sintering reaches 6.8%～7.2%, but this process time
Up to more than 30 hours, also having the step of long-time heat preservation, also want hydrogen as carrier gas to dewax, expellant gas wants ignition
Process, there is the harm of potential safety hazard and environmental pollution；Get rid of at hard metal article owing to this sintering process does not agree with paraffin
Peak curve, inevitably leave residual paraffin, the dangerous technique that hydrogen pulsing pressure to be used washes away in stove.And
And it is suitable only for dewaxing and the sintering producing cemented carbides big product.
Summary of the invention
1. to solve the technical problem that
Higher for the ultra-thin circular knife production cost of hard alloy in prior art, product quality is not easily controlled, and existing graphite is put down
Plate boat affects quality of finished, and the graphite dust produced in production process is detrimental to health and pollutes environment, and hard alloy
Ultra-thin dise knife semi-finished product are not easy the problem fixed when grinding, the invention provides a kind of hard alloy ultra-thin circular knife production system.
This system utilizes the use of side-product synthetical recovery and high purity graphite flat board boat in production process achieve reduction production cost and carry
The purpose of high hart metal product quality, it is possible to stable fixing hard alloy ultra-thin dise knife semi-finished product are uniformly to grind
Purpose.
2. technical scheme
For reaching above-mentioned purpose, inventor follows the tracks of continuously through many years and sums up, and sums up technical scheme:
A kind of hard alloy ultra-thin circular knife production system, including ball mill mixing arrangement, drying device, decompressor, graphite
Flat board boat device, sintering equipment and lapping device, described drying device connects alcohol recovery device；Described graphite is put down
Plate boat device includes graphite planar boat processing mechanism and graphite planar boat frame；Described sintering equipment includes that vacuum-temperature is bent
Line traffic control mechanism；Described lapping device includes ultra-thin circular knife adsorbing mechanism, wherein: described alcohol recovery device includes gas
Solid separator, condenser, temporary storage tank, vacuum pump and chilled water mechanism, be provided with solid and collect bottom described gas-solid separator
Tank, and be connected by pipeline with vacuum drying oven at its napex；Described condenser is interlayer tank structure, its internal top
Being connected with gas-solid separator by pipeline, its internal bottom is connected by pipeline with temporary storage tank；Described temporary storage tank passes through pipeline
It is connected with vacuum pump；The interlayer top of described condenser and bottom are respectively by pipeline and chilled water mechanism outlet and water inlet
Connect, and form the water route of circulation；Described graphite planar boat processing mechanism includes showering recycling graphite device, described
Showering recycling graphite device includes body, the L-shaped case structure of described body, including the side box body being connected and under casing body,
Side box body is provided with air entry, spray nozzle, demixing plate；Under casing body is provided with filter mechanism, graphite collecting mechanism and screen cloth, its
In: described side box body top is connected with vacuum cleaner by air entry, and described demixing plate has 4 pieces, is fixed on side in the shape of falling M
The inner side of casing left and right sides plate；Described spray nozzle is divided into three groups, upper, middle and lower, and upper and lower two groups are fixed on side box body left plate
Inner side, middle one group of inner side being fixed on side box body right plate；Described water pump one end is by pipeline and under casing body bottom left
The filter mechanism arranged connects, and the other end and three groups of spray nozzles pass through pipeline communication；Described graphite collecting mechanism is arranged under casing
Body bottom right, described screen cloth is fixed on the upper surface of under casing body；Described graphite planar boat frame includes N number of graphite planar
Boat and cushion block, described graphite planar boat is square platy structure, and the layering of N number of graphite planar boat is superimposed as graphite planar
Boat frame, supports with the cushion block of 4 same thickness between every 2 graphite planar boats.
Preferably, described graphite planar boat and cushion block are made by the high purity graphites of two leaching three roastings, density more than 1.8 tons/
Cubic meter；Graphite planar boat flatness is 5～7mm less than 0.1mm, thickness；Described cushion block is with waste and old graphite planar boat
Ware or leftover pieces make, and represent different height by different shapes, and length and width is monolateral not less than 5mm, no more than 20mm,
Cushion block, in graphite planar boat frame, keeps point-blank up and down.
Preferably, described ultra-thin circular knife adsorbing mechanism include discoideus adapter sleeve, taper shank, tapered sleeve, bearing block, bearing,
Connecting tube, solid-gas separator and the second vacuum pump, wherein: cone poroid in ladder, described on the right side of described discoideus adapter sleeve
Handle is heavy wall tubulose；Taper shank left end is completely embedded into and is welded on the right side of discoideus adapter sleeve on shoulder hole, both interior hole size phases
With and connect；Described tapered sleeve is in the heavy wall tubular structure with circular cavity, and described taper shank right half part is from the left end of tapered sleeve
It is inserted into inside the circular cavity of tapered sleeve, and is connected with tapered sleeve close-fitting；The right-hand member cavity of tapered sleeve is bell mouth shape cavity, with bearing
The round table-like structure of seat matches fixing connection, and described bearing is fixed in bearing block；Described connecting tube one end and bearing every
Set is fixing to be connected, and the other end and the second vacuum pump are connected by pipeline；Described discoideus adapter sleeve left end is provided with circular absorption
Pattern, have between circular absorption pattern and discoideus adapter sleeve circular gap, circular absorption cam surface be evenly arranged with N number of with
The circular adsorption hole that circular gap communicates.
Preferably, described circular adsorption hole is provided with 12, and every 6 adsorb the center of circle of pattern for concentric uniform arrangement with circle
Form two concentric circulars；It is provided with arc groove between concentric circular adsorption hole, connects formation two and lean on circular absorption
The circular groove that mould is concentric；Described connecting tube and the second vacuum pump are the most also disposed with three-way cock and solid and gas divides
From device, and it is sequentially connected with pipeline.
Preferably, described graphite planar boat uses front through following process step:
A, graphite planar boat surface graphite powder is rooted out on the screen cloth of described showering recycling graphite device；
B, in vacuum drying oven, it is warmed up to 1500 DEG C of calcinings, insulation 3～5 hours；
C, cooling: the graphite planar boat after sintering soak is cooled to room temperature；
D, swabbing: at one layer of special coating of surface brush of graphite planar boat.
Preferably, the described special coating processing graphite planar boat includes that PEG4000, Tween 80, aquadag, height are resistance to
Mill carbon black, ultra-fine alumina and pure water, respective weight portion is: PEG4000 10～20；Aquadag 10～20；High abrasion
Carbon black 10～20；Ultra-fine alumina 5～10；Tween 80 accounts for 5-10；Pure water 30～50；Manufacturing process is: first by PEG4000
It is dissolved in pure water, then other component is sequentially added in PEG4000 lysate is uniformly mixed.
Preferably, described vacuum-temperature curve controlling organization following vacuum-temperature curve of execution:
The intensification slope 10～15 DEG C/min of A, 0 DEG C～150 DEG C, used time 10～15 minutes, vacuum degree control is within 50Pa；
The intensification slope 5～10 DEG C/min of B, 150 DEG C～200 DEG C, used time 5～10 minutes, vacuum degree control is within 200Pa；
The intensification slope 3～6 DEG C/min of C, 200 DEG C～260 DEG C, used time 10～20 minutes, vacuum degree control is within 800Pa；
The intensification slope 0.3～1 DEG C/min of D, 260 DEG C～320 DEG C, used time 60～200 minutes, vacuum degree control is at 800Pa
Within；
The intensification slope 0.2～0.5 DEG C/min of E, 320 DEG C～360 DEG C, used time 80～200 minutes, vacuum degree control is at 800Pa
Within；
The intensification slope 0.5～1 DEG C/min of F, 360 DEG C～450 DEG C, used time 90～180 minutes, vacuum degree control 500Pa with
In；
The intensification slope 3～5 DEG C/min of G, 450 DEG C～600 DEG C, used time 30～50 minutes, vacuum degree control is within 300Pa；
The intensification slope 5～8 DEG C/min of H, 600 DEG C～1150 DEG C, used time 70～110 minutes, vacuum degree control 200Pa with
In；
The intensification slope 1～2 DEG C/min of I, 1150 DEG C～1280 DEG C, used time 65～130 minutes, vacuum degree control 50Pa with
In；
The intensification slope 2.5～3.5 DEG C/min of J, 1280 DEG C～1350 DEG C, used time 20～28 minutes, vacuum degree control is at 50Pa
Within；
K, the intensification slope 3～4 DEG C/min of 1350 DEG C to final temperature, vacuum degree control is within 500Pa；
L, final temperature are incubated 50～90 minutes, and vacuum degree control is within 500Pa；
M, applying argon gas quickly cools down when naturally cooling to 1000 DEG C；
N, it is cooled to less than 80 DEG C blow-on doors and comes out of the stove.
Preferably, the carrier gas of the vacuum-temperature curve of described A～G is argon, and described argon flow amount is 0.5～1.2L/min；
Described sintering equipment is vacuum-sintering integral furnace, connects and has paraffin reclaiming device, described paraffin reclaiming device to include freezing machine
Structure and two-stage receive wax apparatus, wherein: condensing unit and two-stage are received wax apparatus and passed through outside described vacuum-sintering integral furnace body of heater
Pipeline communication.
Preferably, described chilled water mechanism processes the temperature of water at 1～5 DEG C.
3. beneficial effect
Use the technical scheme that the present invention provides, compared with existing known technology, there is following remarkable result:
(1) a kind of hard alloy ultra-thin circular knife production system of the present invention, alcohol recovery device is whole by the use of vacuum pump
Individual alcohol recovery device provides negative pressure system, and the setting of chilled water mechanism makes condenser be fully finished the liquefaction of ethanol, it is to avoid
Ethanol escaping gas enters vacuum pump and damages in vacuum pump；The a small amount of slip sucked is separated by gas-solid separator, it is to avoid
Solid material enters condenser, and whole apparatus structure is reasonable, easily operates, and has both reached to drop complete for ethanol recycle and reuse
The purpose of low cost, in turn ensure that the service life of vacuum pump；Graphite planar boat is on the screen cloth of showering recycling graphite device
Processing the graphite powder of graphite planar boat surface as operating board, vacuum cleaner is that showering recycling graphite device provides negative
Pressure, is drawn into the graphite dust of process in whole device, and the combination of the shape of falling M demixing plate and spray nozzle makes graphite dust quilt completely
Water is punched into the combination of body bottom portion, water pump and filter mechanism makes the water of whole device be circulated use, and graphite collecting mechanism will
The graphite being punched into body bottom portion recycles, and whole device effectively avoids the graphite dust danger to human respiratory
Evil and the pollution to environment, and graphite is carried out recycling, reduce the production cost of whole technique；Because vacuum-sintering
The work box of all-in-one oven is rectangular, and the band edge circle boat of prior art is wasted than the graphite planar boat horizontal space of the present invention and wanted
Greatly, and, prior art because there being the positioning step of 1mm bottom band edge boat, the height of band edge boat side the most also than
Product exceeds 1mm, causes the waste in space；Band edge boat is also had to customize different size according to the height of product and size
Boat, otherwise boat takies greatly, and operation also bothers, or the waste of sintering furnace vertical space is big, and the graphite planar boat of the present invention
Ware, except plane put the space of product much larger in addition to, it is often more important that highly versatile, the specification of graphite planar boat is according to sintering
In stove, the useful space and the product specification of work box select, and THICKNESS CONTROL, 5～7mm, is compared round boat and saved the stone about half
Ink material, as long as the product that band edge plane boat can be put can be put, it is not necessary to the boat of customization different size, as long as with useless
Old graphite boats etc. make the cushion block contour with product, have not only reduced boat and have taken but also save vertical space, and waste material utilizes, and subtracts
Little waste, cost-effective；Present invention band edge boat compared to existing technology can increase single furnace output about 20%, prior art
Increase hard alloy yield increase to be leaned on sintering furnace, and sintering furnace one at least hundreds of thousands, the most up to ten million, use the present invention,
The huge investment of equipment can be reduced, cost-effective, improve the market competitiveness；
(2) a kind of hard alloy ultra-thin circular knife production system of the present invention, vacuum-temperature curve in described sintering equipment
Set, use intensification slope slowly to meet the peak curve that paraffin is got rid of in hard alloy ultra-thin circular knife semi-finished product；At it
Its each stage also uses different intensification slopes, can ensure that paraffin gas becoming from the ultra-thin circular knife of hard alloy half the most at the uniform velocity
Product are slowly discharged, effectively ensured the ultra-thin circular knife of hard alloy drastically will not discharge because of paraffin gas cause peeling, crackle,
Deformation etc., stabilize quality, reduce percent defective, provide cost savings；
(3) a kind of hard alloy ultra-thin circular knife production system of the present invention, solvent recovery with paraffin system can effectively reclaim paraffin, and
Can effectively reduce paraffin gas to burner hearth and the pollution of vacuum equipment, and carrier gas is argon, the lazy performance guarantee equipment of argon
Normal work and the stablizing of sintering furnace atmosphere；I.e. ensure that the quality of hard alloy ultra-thin circular knife semi-finished product extends again phase
In the service life of pass equipment, reduce the discount cost of equipment；The control of argon flow amount has ensured vacuum and argon atmosphere in stove；
Having two-stage to receive wax apparatus outside body of heater, it is possible to increase evacuation and wax removing efficiency, improve solvent recovery with paraffin rate, the response rate is up to 97%
Above；
(4) a kind of hard alloy ultra-thin circular knife production system of the present invention, it is right that the use of ultra-thin circular knife adsorbing mechanism solves
Hard alloy ultra-thin circular knife is not easy the difficult problem fixed when grinding, this Ultrathin blade adsorbing mechanism is particularly suited for closing without magnetic hard
The absorption of the ultra-thin circular knife of gold；
(5) a kind of hard alloy ultra-thin circular knife production system of the present invention, the setting of three-way cock allow grinding step control more
For easily；The restriction of circular adsorption hole quantity, it is adaptable to the common-use size of the super round thin cutter of hard alloy；The setting of arc groove makes
Adsorb more stable；The setting of solid-gas separator avoids impurity to be inhaled into the second vacuum pump affects its service life；
(6) a kind of hard alloy ultra-thin circular knife production system of the present invention, graphite planar boat carries out pre-treatment before using,
It is warmed up to 1500 DEG C of calcinings, insulation 3～5 hours in vacuum drying oven, on the one hand can affect hard alloy by graphite planar boat
The impurity component volatilizations such as the ferrum of quality, copper, aluminum, on the other hand after special coating is brushed, after sintering, hard alloy surpasses
Thin cutter easily plays material；Dedicated processes case is rooted out, both graphite powder can be reclaimed, graphite dust can be avoided again people
Body works the mischief and to environment；
(7) a kind of hard alloy ultra-thin circular knife production system of the present invention, on the surface of graphite planar boat with described formula
After brushing with the special coating of manufacture method making, due to this special coating strong adaptability, both it was suitable for rubber process and also had been adapted for
Paraffin technology, can sinter all hart metal products, the carburizing of product, decarburization or deformation will not be caused to scrap, effectively prevent
Because the reason of coating causes hard alloy ultra-thin circular knife product rejection；
(8) a kind of hard alloy ultra-thin circular knife production system of the present invention, high purity graphite flat board boat is high due to hardness, smooth
Spend little (flatness is less than 0.1mm, and circular boat work surface flatness is extremely difficult to), after hard alloy ultra-thin circular knife sintering not
The problem that can deform and occur carburizing and decarburization, the ratio common graphite of prior art, impurity content is few, and intensity is high, to alloy
Quality and service life of boat the most beneficial；Cushion block keeps point-blank up and down；Graphite planar boat frame is that cushion block props up
Support is got on, and alloy product surrounding is unlimited, and forming agent is unblocked when discharging, and forming agent gas will not stop at alloy surface
Stay, be conducive to improving product quality；And during the band edge boat shove charge of prior art, be that limit superposes up with limit, say, that
Hart metal product is enclosed in inside boat, and when sintering gets rid of forming agent, the forming agent gas of discharge also will be from graphite boat
Pore drain, in alloy product, expellant gas can not be drained in time, it is easy to causes the quality problems of product carburizing or decarburization；
Described cushion block waste and old graphite planar boat or leftover pieces make, and reduce production cost；Represent different by different shapes
Highly, it is simple to after coming out of the stove, the classification of product processes；Length and width is monolateral not less than 5mm, no more than 20mm, adapts to various hard
The thickness of product；After cutting out material by specification during making, plain grinding, graphite material to be saved, reduces dag
The powder pollution to environment, and after the band edge boat of prior art to cut out material by the specification of band edge, by the mid portion on limit, upper milling machine
Milling, the graphite ashes milled out causes waste, and environmental pollution is the biggest；
(9) a kind of hard alloy ultra-thin circular knife production system of the present invention, described chilled water mechanism process the temperature of water 1～
5℃；Ensure that the condensation effect of condenser, allow ethanol liquefy completely, it is to avoid have alcohol vapor to be taken away by vacuum pump in system and make
Become waste, and affect the service life of vacuum pump；
(10) a kind of hard alloy ultra-thin circular knife production system of the present invention, it is possible to increase production efficiency more than 50%, for
Identical production capacity, it is possible to reduce equipment investment；The recovery comprehensive utilization device of each device, can save the energy, lowers and produces into
This, enhance one's market competitiveness.
Accompanying drawing explanation
Fig. 1 is each setting position graph of a relation of the present invention；
Fig. 2 is the alcohol recovery device schematic diagram of the present invention；
Fig. 3 is the showering recycling graphite device schematic diagram of the present invention；
Fig. 4 is the graphite planar boat frame schematic diagram of the present invention；
Fig. 5 is the graphite planar boat top view of the present invention；
Fig. 6 is the ultra-thin circular knife adsorbing mechanism schematic diagram of the present invention；
Fig. 7 be the present invention Ultrathin blade adsorbing mechanism in circular absorption profiling structure schematic diagram.
Label declaration in figure: 1, ball mill mixing arrangement；2, drying device；3, decompressor；4, graphite planar boat dress
Put；5, sintering equipment；6, lapping device；21, gas-solid separator；22, condenser；23, temporary storage tank；24, vacuum pump；
25, chilled water mechanism；26, solid collecting tank；41, air entry；42, water pump；43, spray nozzle；44, demixing plate；45、
Filter mechanism；46, graphite collecting mechanism；47, screen cloth；48, graphite planar boat；49, cushion block；50, hard alloy surpasses
Thin circular knife；61, discoideus adapter sleeve；62, taper shank；63, tapered sleeve；64, bearing block；65, bearing；66, connecting tube；
67, solid-gas separator；68, the second vacuum pump；69, three-way cock；610, circular absorption pattern；611, circular adsorption hole；
612, arc groove；631, bell mouth shape cavity.
Detailed description of the invention
Below in conjunction with the accompanying drawings and specific embodiment, the present invention is described in detail.
Embodiment 1
The present embodiment one hard alloy ultra-thin circular knife production system, as it is shown in figure 1, include ball mill mixing arrangement 1, do
Dry device 2, decompressor 3, graphite planar boat device 4, sintering equipment 5 and lapping device 6, described drying device 2
Connect and have alcohol recovery device；Described graphite planar boat device 4 includes graphite planar boat processing mechanism and graphite planar boat
Ware frame；Described sintering equipment 5 includes vacuum-temperature curve controlling organization；Described lapping device 6 includes that Ultrathin blade is adsorbed
Mechanism, wherein: as in figure 2 it is shown, described alcohol recovery device include gas-solid separator 21, condenser 22, temporary storage tank 23,
Vacuum pump 24 and chilled water mechanism 25, wherein: bottom described gas-solid separator 21, be provided with solid collecting tank 26, and at it
Napex is connected by pipeline with vacuum drying oven；Described condenser 22 is interlayer tank structure, and pipeline is passed through at its internal top
Being connected with gas-solid separator 21, its internal bottom is connected by pipeline with temporary storage tank 23；Described temporary storage tank 23 passes through pipeline
It is connected with vacuum pump 24；The interlayer top of described condenser 22 and bottom are respectively by pipeline and chilled water mechanism 25 outlet
Connecting with water inlet, and form the water route of circulation, chilled water mechanism 25 processes the temperature of water at 1 DEG C；Described graphite planar boat
Ware processing mechanism includes that showering recycling graphite device, described showering recycling graphite device include body, as it is shown on figure 3,
The L-shaped case structure of described body, including the side box body being connected and under casing body, side box body is provided with air entry 41, spraying
Mouth 43, demixing plate 44；Under casing body is provided with filter mechanism 45, graphite collecting mechanism 46 and screen cloth 47, wherein: described side
Casing top is connected with vacuum cleaner by air entry 41, and described demixing plate 44 has 4 pieces, is fixed on side box body in the shape of falling M left
The inner side of right biside plate；Described spray nozzle 43 is divided into three groups, upper, middle and lower, and upper and lower two groups are fixed on the interior of side box body left plate
Side, middle one group of inner side being fixed on side box body right plate；The mistake that water pump 42 one end is arranged with under casing body bottom left by pipeline
Filter structure 45 connects, and the other end and three groups of spray nozzles pass through pipeline communication；Described graphite collecting mechanism 46 is arranged under casing body
Bottom right, described screen cloth 47 is fixed on the upper surface of under casing body；Described graphite planar boat frame includes that N number of graphite is put down
Plate boat 48 and cushion block 49, described graphite planar boat 48 is square platy structure, and N number of graphite planar boat 48 is layered
It is superimposed as graphite planar boat frame, supports with the cushion block 49 of 4 same thickness between every 2 graphite planar boats 48；Such as figure
6, shown in Fig. 7, described ultra-thin circular knife adsorbing mechanism includes discoideus adapter sleeve 61, taper shank 62, tapered sleeve 63, bearing block
64, bearing 65, connecting tube 66, solid-gas separator 67 and the second vacuum pump 68, wherein: described discoideus adapter sleeve 61
Right side is poroid in ladder, and described taper shank 62 is in heavy wall tubulose；Taper shank 62 left end is completely embedded into and is welded on discoideus adapter sleeve
On the right side of in the of 61 on shoulder hole, both interior hole size is identical and connects；Described tapered sleeve 63 is in the heavy wall tubular with circular cavity
Structure, described taper shank 62 right half part is inserted into inside the circular cavity of tapered sleeve 63 from the left end of tapered sleeve 63, and and tapered sleeve
63 close-fittings connect；The right-hand member cavity of tapered sleeve 63 is bell mouth shape cavity 631, and structure round table-like with bearing block 64 matches fixing
Connecting, described bearing 65 is fixed in bearing block 64；Described connecting tube 66 one end is fixing with the spacer of bearing 65 to be connected,
The other end and the second vacuum pump 68 are connected by pipeline；Described discoideus adapter sleeve 61 left end is provided with circular absorption pattern 610,
Circular gap, circular absorption pattern 610 surface is had to be evenly arranged with between circular absorption pattern 610 and discoideus adapter sleeve 61
12 circular adsorption holes 611 communicated with circular gap, every 6 adsorb the center of circle of pattern 610 for concentric uniform arrangement with circle
Form two concentric circulars；It is provided with arc groove 611 between concentric circular adsorption hole 611, connects formation two and circle
The circular groove that shape absorption pattern 610 is concentric；Described connecting tube 66 and the second vacuum pump 68 the most also set gradually
Having three-way cock 69 and solid-gas separator 67, and be sequentially connected with pipeline, this Ultrathin blade adsorbing mechanism is particularly suited for without magnetic
The absorption of the ultra-thin circular knife of hard alloy；Described graphite planar boat 48 and cushion block 49 are made by the high purity graphite of two leaching three roastings
Form.
The present embodiment one hard alloy ultra-thin circular knife production system, during specific works, execution following steps:
Step one, dispensing: by the various powders of ultra-thin for hard alloy circular knife raw material: tungsten carbide, spherical cobalt powder and chromium carbide are pressed
Formula is prepared；
Step 2, ball mill mixing arrangement 1:
A, in ball mill mixing arrangement 1, add the ethanol of 99% purity, No. 58 wax moulding agent and step one by weight ratio
The powder prepared；
B, startup ball mill, in ball mill under the effect of bat, polish and be mixed into slip；
Step 3, be dried: proceed to slip drying device 2 be dried, after drying in irregular particle shape, drying device
Ethanol is reclaimed by 2 external alcohol recovery devices, recycling；
Step 4, wiping sieve: dried granular material is carried out after wiping is sieved in 60 mesh powders；
Step 5, punching press: powder material is pressed product weight and specification requirement decompressor 3 punch forming in the form of sheets；
Step 6, the pre-treatment of graphite planar boat device 4: graphite planar boat 48 selects the high purity graphite of two leaching three roastings to make
Boundless flat board boat, specification is 400mm*400mm*6mm, and flatness 0.08mm, to be shaped as square, density be 1.9
Ton/cubic meter:
A, graphite planar boat 48 surface graphite powder is rooted out in showering recycling graphite device；
B, in vacuum drying oven, it is warmed up to 1500 DEG C of calcinings, is incubated 3 hours；
C, cooling: the graphite planar boat 48 after sintering soak is cooled to room temperature；
D, coating make: weighing PEG4000 is 1 kilogram, aquadag 2 kilograms, high abrasion carbon black 2 kilograms, ultra-fine oxidation
1 kilogram of aluminum, Tween 80 accounts for 0.5 kilogram, pure water 3 kilograms；First PEG4000 is dissolved in pure water, then by other group
Divide to be sequentially added in PEG4000 lysate and be uniformly mixed；
E, swabbing: at the special coating of one layer of D step of surface brush of graphite planar boat 48；
Step 7, stacking: by the product specification of the sheet material after step 5 punching press be 20 of ￠ 380mm* ￠ 200*6mm,
30 of 320mm*320mm*5.0mm, 200 of 180mm*180mm*3.0mm, 150mm*150mm*2.0mm
100,200 of 70mm*70mm*2.0mm, as shown in Figure 4, put into the graphite planar boat that step 6 is handled well
The upper surface of 48, then layering is superimposed as graphite planar boat frame, with cushion block 49 interlayer between every layer, is ￠ by specification respectively
The cushion block 49 of 6mm*6mm, 8mm*8mm*5mm, 6mm*4mm*3mm, ￠ 6mm*2mm, ￠ 8mm*2mm,
Cushion block about 49 keeps point-blank, and cushion block 49 waste and old graphite planar boat or leftover pieces make；
Step 8, sintering, proceed to the material that stacking is good be sintered in the vacuum-sintering integral furnace of sintering equipment 5, sintering furnace
Work box specification be 1200mm*400mm*400mm；Being provided with paraffin reclaiming device, solvent recovery with paraffin system includes freezing machine
Structure and receive wax apparatus, wherein in the two-stage outside body of heater: condensing mechanism and two-stage receive wax apparatus by pipeline communication, sintering equipment
The vacuum of 5-temperature curve controlling organization following vacuum-temperature curve of execution:
10 DEG C/the min of intensification slope of A, 0 DEG C～150 DEG C, 15 minutes used times, vacuum degree control is within 50Pa, and carrier gas is
Argon, argon flow amount 1.2L/min；
5 DEG C/the min of intensification slope of B, 150 DEG C～200 DEG C, 10 minutes used times, vacuum degree control within 200Pa, carrier gas
For argon, argon flow amount 1.2L/min；
3 DEG C/the min of intensification slope of C, 200 DEG C～260 DEG C, 20 minutes used times, vacuum degree control, at 500Pa～800Pa, carries
Gas is argon, argon flow amount 1.2L/min；
0.6 DEG C/the min of intensification slope of D, 260 DEG C～320 DEG C, 100 minutes used times, vacuum degree control at 500Pa～800Pa,
Carrier gas is argon, argon flow amount 1.2L/min；
0.4 DEG C/the min of intensification slope of E, 320 DEG C～360 DEG C, 100 minutes used times, vacuum degree control at 500Pa～800Pa,
Carrier gas is argon, argon flow amount 1.2L/min；
1 DEG C/the min of intensification slope of F, 360 DEG C～450 DEG C, 90 minutes used times, vacuum degree control, at 300Pa～500Pa, carries
Gas is argon, argon flow amount 1.2L/min；
3 DEG C/the min of intensification slope of G, 450 DEG C～600 DEG C, 50 minutes used times, vacuum degree control, at 100Pa～300Pa, carries
Gas is argon, argon flow amount 1.2L/min；
6.875 DEG C/the min of intensification slope of H, 600 DEG C～1150 DEG C, 80 minutes used times, vacuum degree control within 200Pa,
Carrier gas is argon, argon flow amount 1.2L/min；
1.625 DEG C/the min of intensification slope of I, 1150 DEG C～1280 DEG C, 80 minutes used times, vacuum degree control is within 50Pa；
3.5 DEG C/the min of intensification slope of J, 1280 DEG C～1350 DEG C, 20 minutes used times, vacuum degree control is within 50Pa；
3 DEG C/the min of intensification slope of K, 1350 DEG C～1440 DEG C, 30 minutes used times, vacuum degree control is within 500Pa；
L, 1440 DEG C be incubated 50 minutes, vacuum degree control is within 500Pa；
M, applying argon gas quickly cools down when naturally cooling to 1000 DEG C；
N, come out of the stove, be cooled to less than 80 DEG C blow-on doors and come out of the stove, as it is shown in figure 5, the ultra-thin circle of hard alloy obtaining the present embodiment
The semi-finished product of blade 50；
Step 9, grinding, proceed to be ground, in process of lapping in lapping device 6 by ultra-thin for hard alloy circular knife half product
The adsorption plate in Ultrathin blade adsorbing mechanism is used to proceed in lapping device 6 after being adsorbed by ultra-thin for hard alloy circular knife half product
Multi-purpose grinding machine is processed；
Whole production process lasts about 14 hours, owing to employing special coating, and discharging after vacuum-sintering integral furnace sintering
Very easy, product of coming out of the stove has 1 70mm*70mm*2.0mm's to have crackle, is machine during compacting from the condition adjudgement of crackle
Tool crackle, all other is qualified, the ultra-thin circular knife of hard alloy of production: density D=14.08 ton/cubic meter；Hardness HRA=90；
Intensity TRS=3500；Metallographic A02B00C00E00；550 just can be installed with vacuum-sintering integral furnace one stove of the present embodiment
Material on part graphite planar boat frame, and the product less than 2/3rds can only be filled with the boat of prior art；Whole system
Solvent recovery with paraffin rate is 97.39%, does not has paraffin to condense phenomenon in burner hearth；Alcohol recycle rate 94.6%；Reclaim 590 grams of graphite, keep away
The graphite dust harm to human body and the pollution of environment are exempted from；Produce hard alloy ultra-thin circular knife surface roughness 0.025 μm,
Fineness 0.02 μm；The blade angle of blade 15 degree, cutting edge of a knife or a sword mouth edge of a knife width 2.83mm, through inspection, rip cutting three corrugated paperbox
140 tons of mouths that do not jump, blade angle is maintained at 15 degree, cutting edge of a knife or a sword mouth edge of a knife width 2.79mm, varies slightly, the present embodiment is described
A kind of hard alloy ultra-thin circular knife production system produce the ultra-thin circular knife of hard alloy also having excellent compared with adverse circumstances bottom tool
Good cutting effect and superpower service life.
Embodiment 2
The present embodiment one hard alloy ultra-thin circular knife production system, basic device is with embodiment 1, and difference is: cold
Dong Shui mechanism 25 processes the temperature of water at 4 DEG C, during specific works, performs step slightly different: the wiping described in step 4
After sieve, powder material is 180 mesh；Being incubated 5 hours in the calcining of graphite planar boat in step 6, specification is
Two kinds of specifications of 450mm*450mm*6mm and 450mm*300mm*7mm, the respective weight portion of special coating is: PEG4000
Being 1.5 kilograms, aquadag 1 kilogram, high abrasion carbon black 1.5 kilograms, ultra-fine alumina 0.5 kilogram, Tween 80 is 0.9 public affairs
Jin, pure water 4 kilograms；The specification of hard alloy semi-finished product to be sintered in step 7 is 320mm*320mm*2.0mm
40,200 of 180mm*180mm*3.0mm, 100 of 150mm*150mm*5.0mm, 70mm*70mm*6.0mm
200, with scrapping boat or boat side corner material is made graphite pads block specifications and is: ￠ 6mm*2mm, 6mm*4mm*3mm,
8mm*8mm*5mm, ￠ 6mm*6mm；In step 8, the work box specification of vacuum-sintering integral furnace is:
1200mm*450mm*450mm, the vacuum of sintering equipment 5-temperature curve controlling organization following vacuum-temperature curve of execution:
15 DEG C/the min of intensification slope of A, 0 DEG C～150 DEG C, 10 minutes used times, vacuum degree control is within 50Pa, and carrier gas is
Argon, argon flow amount 0.7L/min；
10 DEG C/the min of intensification slope of B, 150 DEG C～200 DEG C, 5 minutes used times, vacuum degree control within 200Pa, carrier gas
For argon, argon flow amount 0.7L/min；
5 DEG C/the min of intensification slope of C, 200 DEG C～260 DEG C, 12 minutes used times, vacuum degree control, at 300Pa～500Pa, carries
Gas is argon, argon flow amount 0.7L/min；
0.3 DEG C/the min of intensification slope of D, 260 DEG C～320 DEG C, 200 minutes used times, vacuum degree control at 300Pa～500Pa,
Carrier gas is argon, argon flow amount 0.7L/min；
0.2 DEG C/the min of intensification slope of E, 320 DEG C～360 DEG C, 200 minutes used times, vacuum degree control at 300Pa～500Pa,
Carrier gas is argon, argon flow amount 0.7L/min；
0.5 DEG C/the min of intensification slope of F, 360 DEG C～450 DEG C, 180 minutes used times, vacuum degree control, within 300Pa, carries
Gas is argon, argon flow amount 0.7L/min；
5 DEG C/the min of intensification slope of G, 450 DEG C～600 DEG C, 30 minutes used times, vacuum degree control within 100Pa, carrier gas
For argon, argon flow amount 0.7L/min；
5 DEG C/the min of intensification slope of H, 600 DEG C～1150 DEG C, 110 minutes used times, vacuum degree control, within 200Pa, carries
Gas is argon, argon flow amount 0.7L/min；
1 DEG C/the min of intensification slope of I, 1150 DEG C～1280 DEG C, 130 minutes used times, vacuum degree control is within 50Pa；
2.5 DEG C/the min of intensification slope of J, 1280 DEG C～1350 DEG C, 28 minutes used times, vacuum degree control is within 50Pa；
4 DEG C/the min of intensification slope of K, 1350 DEG C～1440 DEG C, 23 minutes used times, vacuum degree control is within 500Pa；
L, 1440 DEG C be incubated 70 minutes, vacuum degree control is within 500Pa；
M, applying argon gas quickly cools down when naturally cooling to 1000 DEG C；
N, come out of the stove, be cooled to less than 80 DEG C blow-on doors and come out of the stove, obtain half the becoming of the ultra-thin circular knife of hard alloy 50 of the present embodiment
Product.
Whole production process lasts about 20 hours, product flawless of coming out of the stove, and the easiest special coating of discharging is effective, detection
Result is: density D=14.23 ton/cubic meter；Hardness HRA=92；Intensity TRS=4300.With the vacuum-sintering of the present embodiment
All-in-one oven one stove just can install the material on 550 graphite planar boat framves, and can only fill with the boat of prior art and be less than
The product of 2/3rds；Whole system solvent recovery with paraffin rate is 97.39%, does not has paraffin to condense phenomenon in burner hearth；Alcohol recycle rate
94.6%；Reclaim 590 grams of graphite, it is to avoid the graphite dust harm to human body and the pollution of environment；The hard alloy produced is ultra-thin
Circular knife surface roughness 0.025 μm, fineness 0.02 μm；The blade angle of blade 15 degree, cutting edge of a knife or a sword mouth edge of a knife width 2.83mm,
Through inspection, rip cutting three corrugated paperbox 100 tons does not jump mouth, and blade angle is maintained at 15 degree, cutting edge of a knife or a sword mouth edge of a knife width 2.81mm,
Vary slightly, illustrate that the ultra-thin circular knife of hard alloy that a kind of hard alloy ultra-thin circular knife production system of the present embodiment produces exists
Also excellent cutting effect and superpower service life is had compared with adverse circumstances bottom tool.
Embodiment 3
The present embodiment one hard alloy ultra-thin circular knife production system, basic device is with embodiment 1, and difference is in concrete work
During work, perform step slightly different: after the wiping sieve described in step 4, powder material is 120 mesh；Graphite in step 6
Being incubated 3 hours in the calcining of flat board boat, specification is the graphite planar boat of 450mm*450mm*6.5mm, and special coating is each
From weight portion be: PEG4000 is 2.0 kilograms, aquadag 1.5 kilograms, high abrasion carbon black 1 kilogram, ultra-fine alumina 0.75
Kilogram, Tween 80 is 0.7 kilogram, pure water 5 kilograms；The specification of hard alloy semi-finished product to be sintered in step 7 is ￠
550 of 450mm*6.5mm；With scrapping boat or boat side corner material is made graphite pads block specifications and is: ￠ 6mm*6.5mm；
In step 8, the work box specification of vacuum-sintering integral furnace is: 1200mm*450mm*450mm, the vacuum-temperature of sintering equipment 5
Line traffic control of the writing music mechanism following vacuum-temperature curve of execution:
12 DEG C/the min of intensification slope of A, 0 DEG C～150 DEG C, 12.5 minutes used times, vacuum degree control is within 50Pa, and carrier gas is
Argon, argon flow amount 0.5L/min；
7 DEG C/the min of intensification slope of B, 150 DEG C～200 DEG C, 7 minutes used times, vacuum degree control is within 200Pa, and carrier gas is
Argon, argon flow amount 0.5L/min；
4 DEG C/the min of intensification slope of C, 200 DEG C～260 DEG C, 15 minutes used times, vacuum degree control, at 300Pa～500Pa, carries
Gas is argon, argon flow amount 0.5L/min；
1 DEG C/the min of intensification slope of D, 260 DEG C～320 DEG C, 60 minutes used times, vacuum degree control, at 300Pa～500Pa, carries
Gas is argon, argon flow amount 0.5L/min；
0.3 DEG C/the min of intensification slope of E, 320 DEG C～360 DEG C, 130 minutes used times, vacuum degree control at 300Pa～500Pa,
Carrier gas is argon, argon flow amount 0.5L/min；
0.7 DEG C/the min of intensification slope of F, 360 DEG C～450 DEG C, 130 minutes used times, vacuum degree control, within 300Pa, carries
Gas is argon, argon flow amount 0.5L/min；
4 DEG C/the min of intensification slope of G, 450 DEG C～600 DEG C, 38 minutes used times, vacuum degree control within 100Pa, carrier gas
For argon, argon flow amount 0.5L/min；
8 DEG C/the min of intensification slope of H, 600 DEG C～1150 DEG C, 70 minutes used times, vacuum degree control within 200Pa, carrier gas
For argon, argon flow amount 0.5L/min；
2 DEG C/the min of intensification slope of I, 1150 DEG C～1280 DEG C, 65 minutes used times, vacuum degree control is within 50Pa；
3 DEG C/the min of intensification slope of J, 1280 DEG C～1350 DEG C, 23 minutes used times, vacuum degree control is within 50Pa；
4 DEG C/the min of intensification slope of K, 1350 DEG C～1500 DEG C, 38 minutes used times, vacuum degree control is within 500Pa；
L, 1500 DEG C be incubated 90 minutes, vacuum degree control is within 500Pa；
M, applying argon gas quickly cools down when naturally cooling to 1000 DEG C；
N, come out of the stove, be cooled to less than 80 DEG C blow-on doors and come out of the stove, obtain half the becoming of the ultra-thin circular knife of hard alloy 50 of the present embodiment
Product.
Whole production process lasts about 16 hours, product flawless of coming out of the stove, and the easiest special coating of discharging is effective, detection
Result is: density D=13.94 ton/cubic meter；Hardness HRA=91.5；Intensity TRS=4100.With the vacuum-sintering of the present embodiment
All-in-one oven one stove just can install the material on 550 graphite planar boat framves, and can only fill with the boat of prior art and be less than
The product of 2/3rds；Whole system solvent recovery with paraffin rate is 97.39%, does not has paraffin to condense phenomenon in burner hearth；Alcohol recycle rate
94.6%；Reclaim 590 grams of graphite, it is to avoid the graphite dust harm to human body and the pollution of environment；The hard alloy produced is ultra-thin
Circular knife surface roughness 0.020 μm, fineness 0.015 μm；The blade angle of blade 15 degree, cutting edge of a knife or a sword mouth edge of a knife width 2.83mm,
Through inspection, rip cutting three corrugated paperbox 120 tons does not jump mouth, and blade angle is maintained at 15 degree, cutting edge of a knife or a sword mouth edge of a knife width 2.80mm,
Vary slightly, illustrate that the ultra-thin circular knife of hard alloy that a kind of hard alloy ultra-thin circular knife production system of the present embodiment produces exists
Also excellent cutting effect and superpower service life is had compared with adverse circumstances bottom tool.
Below being schematically described the invention and embodiment thereof, this description is the most restricted.So, if
Those of ordinary skill in the art is enlightened by it, in the case of without departing from this creation objective, designing without creative and being somebody's turn to do
Frame mode that technical scheme is similar and embodiment, all should belong to the protection domain of this patent.
Claims (9)
1. a hard alloy ultra-thin circular knife production system, including ball mill mixing arrangement (1), drying device (2), punching press
Device (3), graphite planar boat device (4), sintering equipment (5) and lapping device (6), it is characterised in that: described is dry
Dry device (2) connects alcohol recovery device；Described graphite planar boat device (4) includes graphite planar boat datatron
Structure and graphite planar boat frame；Described sintering equipment (5) includes vacuum-temperature curve controlling organization；Described lapping device
(6) ultra-thin circular knife adsorbing mechanism is included, wherein:
Described alcohol recovery device includes gas-solid separator (21), condenser (22), temporary storage tank (23), vacuum pump (24)
With chilled water mechanism (25)；Described gas-solid separator (21) bottom is provided with solid collecting tank (26), and its napex with
Vacuum drying oven is connected by pipeline；Described condenser (22) is interlayer tank structure, its internal top by pipeline with
Gas-solid separator (21) connects, and its internal bottom is connected by pipeline with temporary storage tank (23)；Described temporary storage tank (23)
It is connected with vacuum pump (24) by pipeline；The interlayer top of described condenser (22) and bottom are respectively by pipeline and freezing
Water mechanism (25) outlet and water inlet connect, and form the water route of circulation；
Described graphite planar boat processing mechanism includes showering recycling graphite device, described showering recycling graphite device bag
Including body, the L-shaped case structure of described body, including the side box body being connected and under casing body, side box body is provided with air entry
(41), spray nozzle (43), demixing plate (44)；Under casing body be provided with filter mechanism (45), graphite collecting mechanism (46) and
Screen cloth (47), wherein: described side box body top is connected with vacuum cleaner by air entry (41), described demixing plate (44)
There are 4 pieces, are fixed on the inner side of side box body left and right sides plate in the shape of falling M；Described spray nozzle (43) is divided into upper, middle and lower three
Group, upper and lower two groups of inner sides being fixed on side box body left plate, middle one group of inner side being fixed on side box body right plate；Water pump (42)
The filter mechanism (45) that one end is arranged with under casing body bottom left by pipeline is connected, and the other end and three groups of spray nozzles pass through pipeline
Connection；Described graphite collecting mechanism (46) is arranged under casing body bottom right, and described screen cloth (47) is fixed under casing body
Upper surface；
Described graphite planar boat frame includes N number of graphite planar boat (48) and cushion block (49), described graphite planar boat
Ware (48) is square platy structure, and the layering of N number of graphite planar boat (48) is superimposed as graphite planar boat frame, every 2 stones
Support with the cushion block (49) of 4 same thickness between ink flat board boat (48).
A kind of hard alloy ultra-thin circular knife production system the most according to claim 1, it is characterised in that: described graphite
Flat board boat (48) and cushion block (49) are made by the high purity graphite of two leaching three roastings, and density is more than 1.8 tons/cubic metre；Stone
Ink flat board boat (48) flatness is 5～7mm less than 0.1mm, thickness；Described cushion block (49) uses waste and old graphite planar
Boat or leftover pieces make, and represent different height by different shapes, and length and width is monolateral not less than 5mm, no more than 20mm,
Cushion block (49), in graphite planar boat frame, keeps point-blank up and down.
A kind of hard alloy ultra-thin circular knife production system the most according to claim 1 and 2, it is characterised in that: described
Ultra-thin circular knife adsorbing mechanism includes discoideus adapter sleeve (61), taper shank (62), tapered sleeve (63), bearing block (64), bearing
(65), connecting tube (66), solid-gas separator (67) and the second vacuum pump (68), wherein: described discoideus adapter sleeve (61)
Right side is in ladder cavernous structure, and described taper shank (62) is in heavy wall tubulose；Taper shank (62) left end is completely embedded into and is welded on circle
In the shoulder hole of tabular adapter sleeve (61) right side, both interior hole size is identical and connects；Described tapered sleeve (63) is in circle
The heavy wall tubular structure of shape cavity, described taper shank (62) right half part is inserted into tapered sleeve (63) from the left end of tapered sleeve (63)
Circular cavity inside, and be connected with the circular cavity close-fitting of tapered sleeve (63)；The right-hand member cavity of tapered sleeve (63) is bell mouth shape
Cavity (631), matches with bearing block (64) round table-like structure fixing connection, and described bearing (65) is fixed on bearing block
(64) in；Described connecting tube (66) one end is fixing with the spacer of bearing (65) to be connected, the other end and the second vacuum pump (68)
Connected by pipeline；Described discoideus adapter sleeve (61) left end is provided with circular absorption pattern (610), circular absorption pattern
(610) and having circular gap between discoideus adapter sleeve (61), circular absorption pattern (610) surface is evenly arranged with N number of
The circular adsorption hole (611) communicated with circular gap.
A kind of hard alloy ultra-thin circular knife production system the most according to claim 3, it is characterised in that: described circle
Adsorption hole (611) is provided with 12, and every 6 centers of circle adsorbing pattern (610) with circle are that concentric uniform rearranges two
Concentric circular；It is provided with arc groove (612) between concentric circular adsorption hole (611), connects formation two and inhale with circular
The circular groove that attached pattern (610) is concentric；Described connecting tube (66) and the second vacuum pump (68) set the most successively
It is equipped with three-way cock (69) and solid-gas separator (67), and is sequentially connected with pipeline.
A kind of hard alloy ultra-thin circular knife production system the most according to claim 4, it is characterised in that: described graphite
Flat board boat (48) uses front through following process step:
A, by graphite planar boat (48) surface graphite powder at the upper shovel of screen cloth (47) of described showering recycling graphite device
Remove；
B, in vacuum drying oven, it is warmed up to 1500 DEG C of calcinings, insulation 3～5 hours；
C, cooling: the graphite planar boat (48) after sintering soak is cooled to room temperature；
D, swabbing: at one layer of special coating of surface brush of graphite planar boat (48).
A kind of hard alloy ultra-thin circular knife production system the most according to claim 5, it is characterised in that: described process
The special coating of graphite planar boat (48) includes PEG4000, Tween 80, aquadag, high abrasion carbon black, ultra-fine oxidation
Aluminum and pure water, respective weight portion is: PEG4000 10～20；Aquadag 10～20；High abrasion carbon black 10～20；Ultra-fine
Aluminium oxide 5～10；Tween 80 accounts for 5-10；Pure water 30～50；Manufacturing process is: first PEG4000 is dissolved in pure water
In, then other component is sequentially added in PEG4000 lysate is uniformly mixed.
A kind of hard alloy ultra-thin circular knife production system, it is characterised in that: described
Vacuum-temperature curve controlling organization following vacuum-temperature curve of execution:
The intensification slope 10～15 DEG C/min of A, 0 DEG C～150 DEG C, used time 10～15 minutes, vacuum degree control is within 50Pa；
The intensification slope 5～10 DEG C/min of B, 150 DEG C～200 DEG C, used time 5～10 minutes, vacuum degree control is within 200Pa；
The intensification slope 3～6 DEG C/min of C, 200 DEG C～260 DEG C, used time 10～20 minutes, vacuum degree control is within 800Pa；
The intensification slope 0.3～1 DEG C/min of D, 260 DEG C～320 DEG C, used time 60～200 minutes, vacuum degree control is at 800Pa
Within；
The intensification slope 0.2～0.5 DEG C/min of E, 320 DEG C～360 DEG C, used time 80～200 minutes, vacuum degree control is at 800Pa
Within；
The intensification slope 0.5～1 DEG C/min of F, 360 DEG C～450 DEG C, used time 90～180 minutes, vacuum degree control 500Pa with
In；
The intensification slope 3～5 DEG C/min of G, 450 DEG C～600 DEG C, used time 30～50 minutes, vacuum degree control is within 300Pa；
The intensification slope 5～8 DEG C/min of H, 600 DEG C～1150 DEG C, used time 70～110 minutes, vacuum degree control 200Pa with
In；
The intensification slope 1～2 DEG C/min of I, 1150 DEG C～1280 DEG C, used time 65～130 minutes, vacuum degree control 50Pa with
In；
The intensification slope 2.5～3.5 DEG C/min of J, 1280 DEG C～1350 DEG C, used time 20～28 minutes, vacuum degree control is at 50Pa
Within；
K, the intensification slope 3～4 DEG C/min of 1350 DEG C to final temperature, vacuum degree control is within 500Pa；
L, final temperature are incubated 50～90 minutes, and vacuum degree control is within 500Pa；
M, applying argon gas quickly cools down when naturally cooling to 1000 DEG C；
N, it is cooled to less than 80 DEG C blow-on doors and comes out of the stove.
A kind of hard alloy ultra-thin circular knife production system the most according to claim 7, it is characterised in that: described A～
The carrier gas of the vacuum-temperature curve of G is argon, and described argon flow amount is 0.5～1.2L/min；Described sintering equipment (5)
It is vacuum-sintering integral furnace, connects and have paraffin reclaiming device, described paraffin reclaiming device to include condensing mechanism and two-stage receipts wax dress
Put, wherein: condensing unit and two-stage are received wax apparatus and passed through pipeline communication outside described vacuum-sintering integral furnace body of heater.
A kind of hard alloy ultra-thin circular knife production system the most according to claim 1 and 2, it is characterised in that: described
Chilled water mechanism (25) processes the temperature of water at 1～5 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410775602.4A CN104480338B (en) | 2014-12-15 | 2014-12-15 | A kind of hard alloy ultra-thin circular knife production system |
| CN201610149893.5A CN105772731B (en) | 2014-12-15 | 2014-12-15 | A kind of ultra-thin circular knife production technology of hard alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410775602.4A CN104480338B (en) | 2014-12-15 | 2014-12-15 | A kind of hard alloy ultra-thin circular knife production system |
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