CN107088845B - A kind of hardness uniform super hard abrasive oilstone molding booth material device - Google Patents
A kind of hardness uniform super hard abrasive oilstone molding booth material device Download PDFInfo
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- CN107088845B CN107088845B CN201710289631.3A CN201710289631A CN107088845B CN 107088845 B CN107088845 B CN 107088845B CN 201710289631 A CN201710289631 A CN 201710289631A CN 107088845 B CN107088845 B CN 107088845B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
- B24D18/0009—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using moulds or presses
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Abstract
The present invention relates to a kind of hardness uniform super hard abrasive oilstone molding booth material devices.Expect that device includes rack in the booth, the rack, which is equipped with, expects arm and die setting base to the booth of extension along z, die setting base be used for oilstone molding die length along x to extend, width installs oilstone molding die under posture of the y to extension, it is described booth material arm and die setting base between can do along x to z to relatively compound reciprocating motion, the both ends Partial Height of the track of the compound reciprocating motion is higher than middle section height, and the lower end of the booth material arm is equipped with booth material head.It is small that booth material device makes the powder to be sintered for corresponding to oilstone to be formed that middle section thickness be presented in cloth, the big feature of both ends segment thickness, the characteristics of making sintering pressure presentation be small at both ends and big in the middle when molding sintering, when balancing sintering the sintering temperature both ends due to caused by outside heat radiation it is low, it is intermediate it is high caused by sintering power it is uneven, significantly improve the uniformity of hardness of oilstone.
Description
Technical field
The present invention relates to superhard material products technical fields, and in particular to a kind of uniform super hard abrasive oilstone molding use of hardness
Booth material device.
Background technique
Metallic bond super hard abrasive oilstone is by super hard abrasive 100 (diamond or cubic boron nitride) and metallic bond
Strip grinding tool (as shown in Figure 1) made of 101.Wherein, super hard abrasive plays ablation；Bonding agent bonds super hard abrasive shape
At oilstone shape, while guaranteeing the self-sharpening and certain durability of oilstone when grinding.Metallic bond super hard abrasive oilstone by
In having many advantages, such as that high in machining efficiency, abrasive material holding power is strong, long service life, intensity are high, grinding accuracy is high, it is widely used in axis
Hold roughing, half essence and the finishing of the precision components such as channel and raceway, IC engine cylinder, machine tool guideway, optical device, electronic instrument
Work etc..
Uniformity of hardness is one of most important quality index of metallic bond super hard abrasive oilstone: usually oilstone is wear-resisting
Property is directly proportional to oilstone hardness, and the uniformity of hardness such as oilstone is poor, then the wear rate of oilstone different parts in use
Will be inconsistent, this, which not only results in the shape of oilstone, and dimensional accuracy not can guarantee (at this time must modify oilstone to protect
Its accuracy of form and position is demonstrate,proved, but due to modifying frequently, significantly reduces production efficiency), while can more seriously cause processed
Journey it is serious unstable, cause workpiece to scratch, the processing problems such as grinding accuracy reduces, surface roughness is uneven.Therefore, for
Super hard abrasive oilstone especially finishes, microstoning oilstone, and uniformity of hardness answers strict control, the hardness of different location
Value difference should be within 5.
Metallic bond super hard abrasive oilstone is generally based on hot-pressing sintering technique preparation, and concrete technology flow process is as follows: 1. mixing
Material, required super hard abrasive is uniformly mixed in the equipment such as three-dimensional eddy current batch mixer with metallic bond powder, is obtained to be sintered
Powder；2. single needed for being put into graphite jig type chamber after graphite jig assembling according to the suitable graphite jig of oilstone selection of dimension
The powder to be sintered of weight, and powder is uniformly shakeout to (as shown in Figure 2), covering mold top board later, (top board connects with powder
Contacting surface is plane)；3. mold to be sintered is put on pressing sintering, according to sintering process (sintering temperature, sintering pressure of setting
Power) it is sintered, obtain oil stone blank；4. finishing to oil stone blank, final products are obtained.
The uniformity of hardness of the metallic bond super hard abrasive oilstone of the above conventional thermocompression sintering process preparation is poor, oilstone
The Rockwell hardness value difference of different parts is up to 10 or more, and usually hardness is high in the middle part of oilstone, and both ends hardness is lower, is unable to satisfy half
Finishing, finishing super hard abrasive oilstone requirement.The key reason for problem above occur is: the hardness of metallic bond oilstone
It is closely related with sintering pressure, sintering temperature, equal proportional；In conventional thermocompression sintering process, molding powder uniformly divides
Cloth, surface strike off, and pressure distribution is more uniform when sintering；But the sintering temperature at each position of oilstone is non-uniform, this is because
Hot pressed sintering is based on high current and acts on lower graphite jig heat production formation high temperature, and then is sintered to metal powder in mold, by
It is carried out in open environment in sintering process, graphite jig inevitably has the thermal radiation phenomena to environment, therefore graphite
Portion gradually decreases the temperature of mold from the inside, and the sintering temperature of corresponding oilstone is also that middle part is high, gradually decreases, makes to two sides
Uneven at oilstone hardness after firing, oilstone hardness is gradually decreased from middle part to both ends, influences oilstone quality and accurate grinding is answered
With.
In the prior art, the patent that application publication number is CN106217273A disclose a kind of diamond honing oil stone and its
Preparation method, diamond honing oil stone are made of the raw material of following weight percent: granularity is that 400 mesh~1000 mesh diamonds are micro-
Powder 5~10% and metallic bond 90~95%；The metallic bond by copper and tin prealloy powder 45~55%, silver powder 12~
20%, magnesium powder 30~33% and granularity are 200 mesh~800 mesh talcum powder 2~5% composition；Specific preparation method be by mixing,
The processes such as mold molding, sintering, Equal-channel Angular Pressing prepare oil stone blank, are finally machined, obtain to oil stone blank
To the finished product of dimensional accuracy qualification.The patent makes oilstone bonding agent crystal grain by carrying out Equal-channel Angular Pressing to oil stone blank
It is sufficiently refined and structural homogenity improves, to significantly improve the uniformity of hardness of oilstone bonding agent.But the patent needs
Dedicated Equal-channel Angular Pressing equipment is used, increases production cost, production process is also complex.
Summary of the invention
The purpose of the present invention is to provide a kind of hardness uniform super hard abrasive oilstone molding booth material devices, to solve existing
There is the problem of high production cost existing for preparation method, production process complexity.
To achieve the above object, the technical solution of the uniform super hard abrasive oilstone molding booth material device of hardness of the invention
It is:
A kind of hardness uniform super hard abrasive oilstone molding booth material device, including rack, the rack be equipped with can along z to
The booth material arm and die setting base of extension, die setting base be used for oilstone molding die length along x to extend, width along y to
Under the posture of extension install oilstone molding die, it is described booth material arm and die setting base between can do along x to z to it is relatively multiple
It closes and moves back and forth, the both ends Partial Height of the track of the compound reciprocating motion is higher than middle section height, and the booth is expected under arm
End is equipped with booth material head.
Powder to be sintered is presented in hardness provided by the invention uniform super hard abrasive oilstone molding booth material device, when cloth
Middle section thickness is small, the big feature of both ends segment thickness, at the position of powder thickness, sintering by upper pressure when molding is sintered
The pressure that plate descends is relatively higher, to improve the sintered hardness in the position；In sintering, it is big or middle that both ends are presented in sintering pressure
Between small feature, when balancing sintering the sintering temperature both ends due to caused by outside heat radiation it is low, it is intermediate it is high caused by sintering
Power is uneven, significantly improves the uniformity of hardness of oilstone, the hardness value difference of oilstone different location fully meets essence within 4
Processing, strict demand of the microstoning to oilstone uniformity of hardness.
Preferably, die setting base can do along x to reciprocating motion, booth material arm can do along z to reciprocating motion.Further
Preferably, it is top-loaded with elastic device between the booth material arm and rack, die setting base includes in reciprocatory movement
The spill that driving booth material arm moves back and forth together with the elastic device is framed, and the female arch has matches with booth material arm
The symmetrical concave surface in the both ends of conjunction.
Line and horizontal line between the minimum point and highest point of the symmetrical concave surface in both ends form angle α, described
The range of angle α is 1 °~4 °.It is further preferred that the symmetrical concave surface in both ends is cancave cambered surface.
Preferably, when the length of super hard abrasive oilstone is not more than 90mm, the range of angle α is 2 °~4 °.Super hard abrasive oil
For the length of stone in 90~200mm, the range of angle α is 1 °~2 °.Angle α it is excessive or it is too small be unfavorable for improve oilstone hardness
Uniformity, it is limited to the raising ability of oilstone both ends zone hardness after sintering when α is less than above range；When α is greater than above-mentioned model
When enclosing, it be easy to cause after sintering oilstone both ends hardness to improve excessive, causes oilstone hardness both ends big, it is intermediate low, cause new hard
Degree is uneven.
The booth material arm includes the rolling member that cooperation is rolled with the framed concave surface of spill.
The rolling member is along y to the roller bearing of extension.
The lower end of the booth material arm is equipped with booth material knife.
Hardness of the invention uniform super hard abrasive oilstone molding booth material device, structure is simple, can facilitate powder to be sintered
The upper surface of material paves concavity face, and then is used to prepare the uniform super hard abrasive oilstone of hardness；It can be by replacing different spills
It is framed to obtain suitable booth material shape, meet the production demand of different size super hard abrasive oilstones.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of oilstone；
Fig. 2 is that traditional oilstone spreads out material state cross-sectional view；
Fig. 3 is the structural schematic diagram of booth material device of the invention；
Fig. 4 is the three dimensional structure diagram of Fig. 3；
Fig. 5 is the front view of Fig. 3；
Fig. 6 is the left view of Fig. 3；
Fig. 7 is the top view of Fig. 3；
Fig. 8 is the structural schematic diagram of booth material device of the invention when feeding intake operation；
Fig. 9 is the structural schematic diagram of booth material device of the invention when operation is expected at booth；
Figure 10 is that oilstone of the invention spreads out material state cross-sectional view；
Figure 11 is the distribution schematic diagram of the hardness determination point of oilstone.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The specific embodiment of the uniform super hard abrasive oilstone molding booth material device of hardness of the invention, such as Fig. 3 to Fig. 7 institute
Show, including being connected to the spill setting up and down on die setting base 11 framed 17, graphite framed 15 and stone by positioning pin 27
Black bottom plate 14, graphite bottom plate 14 and graphite framed 15 surround oilstone molding die, the upper surface of spill framed 17 along z to section
For the symmetrical cancave cambered surface in intermediate both ends low, that both ends are high, the line and level between the minimum point and highest point of cancave cambered surface are linear
At angle α, angle α range is 1 °~4 °；Die setting base 11 is fixed by the nut 8 of nut fixed block 6 and ball screw assembly,
Connection；Ball screw assembly, is set in rack 10, and the two sides in rack 10 positioned at ball screw assembly, are spaced and parallel to be equipped with two guide rails
13 and the sliding block 7 with the cooperation of respective guide rail 13, the upper end of sliding block 7 connect with die setting base 11, with realization in ball screw assembly,
Induced effect under, spill is framed 17, graphite framed 15 and graphite bottom plate 14 can be moved back and forth along guide rail direction (x to)；
It is additionally provided in rack 10 for the fixed u-bracket 22 for spreading out material arm sleeve 21, the opening of u-bracket 22 is towards rack
10, the width of opening is greater than the width on two guide rails between the outside of respective slide, can opening in bracket to meet sliding block
It is free to slide in mouthful；Towards the feed leakage bucket 23 of the opening of spill framed 17 and along z to extension when the top of bracket is equipped with booth material
Booth material arm 19, booth material arm 19 have construction section and active section, and construction section is sheathed in the booth material arm sleeve 21, booth material arm set
The top pressure spring 24 of clamp nut 25 and press booth material arm setting up and down, clamp nut 25 and top pressure spring are additionally provided in cylinder 21
24 form the press structure that press booth material arm moves downward；The active section of booth material arm 19 be equipped with it is setting up and down along y to extension
Roller bearing 20, booth material knife 16, roller bearing 20 be installed on booth material arm internal bearings on realize rolled along axis, booth material knife 16
It is fixed in the cutter groove of booth material arm by booth material knife housing screw 18, the roller bearing when spreading out material on the material arm 19 of press structure press booth
20 are bonded with the upper surface (concave surface) of spill framed 17, in this way when spill framed 17 makees horizontal move back and forth, roller bearing 20, booth
Material knife 16 makees the booth material movement that the upper surface framed with spill matches, and booth expects knife 16 by the upper table of the intracavitary powder to be sintered of type
Face paves into cancave cambered surface；Movement is assemblied on bracket 22 booth material arm sleeve along the vertical direction, and compresses spiral shell by booth material arm sleeve
Nail 26 adjusts booth material arm sleeve and protrudes into or leave spill framed 17；The inner width direction of spill framed 17 and the superhard abrasive of compacting
Expect the equivalent width of oilstone, edge can be scraped to guarantee to spread out material knife, the framed length direction of spill is more superhard than what is suppressed
The length of abrasive material oilstone will be grown, and to avoid booth material knife housing screw and roller bearing, booth material knife be enable to move to the framed length side of graphite
To edge.
Servo motor 1, shaft coupling 2, motor connecting flange 3, bearing 4, inner pedestal 5, ball wire are additionally provided in rack 10
Thick stick 9, outer bearing carrier 12, to fix ball screw assembly, and provide power for it.
Structural schematic diagram of the booth material device of the present embodiment when feeding intake operation is as shown in figure 8, unscrew booth material arm sleeve pressure
Booth material arm sleeve is risen to extreme higher position, so that the height for spreading out material head is higher than the height of positioning pin, at this time servo motor by tight screw
Starting, driving ball screw assembly, movement, moves in a straight line nut, drives die setting base to be moved to the left with this, and then drive
Graphite bottom plate, graphite are framed and spill is framed is moved to the left, and when reaching set distance up to moving distance, servo motor reversion is driven
Dynamic graphite bottom plate, graphite are framed and spill is framed moves right, and when reaching set distance, servo motor is rotated forward, and is realized with this
The effect that graphite bottom plate, graphite are framed and spill is framed is back and forth at the uniform velocity moved.Back and forth after at the uniform velocity mobile formation, fallen into feed leakage bucket
Enter mixed abrasive material, abrasive material automatically flow into it is intracavitary by the framed type constituted of graphite bottom plate and graphite, and due to graphite bottom plate
With graphite is framed back and forth at the uniform velocity moves, so that abrasive material is evenly distributed in type intracavitary, until abrasive material leak in feed leakage bucket, complete
The even process that feeds intake.
The present embodiment booth material device booth expect operation when structural schematic diagram as shown in figure 9, feed intake process complete after,
Servo motor stops, and feed leakage bucket is removed at this time, unscrews booth material arm sleeve housing screw, according to mixed abrasive material requirement, will spread out
Material arm sleeve drops to required position, and roller bearing is pressed on the framed cancave cambered surface of spill at this time, and booth material head is located at graphite bottom plate and stone
The type of the framed composition of ink is intracavitary, starts servo motor at this time, and driving it, graphite bottom plate, graphite are framed and spill is framed reciprocal even
Speed is mobile, and the cylindrical surface of roller bearing cancave cambered surface framed with spill under internal spring pressure fits closely at this time, and can be along concave arc
Face rolls, since booth material arm sleeve is fixed on bracket, the motion profile and the framed cambered surface one of spill when roller bearing rolls
It causes, and spreads out material head and be fixed on the material seat of booth, the motion profile for spreading out material head is also consistent with the framed cambered surface of spill, to guarantee to scrape
Powder to be sintered shaped upper part and spill it is framed consistent.
In the other embodiments of booth material device of the invention, the framed upper surface of spill along z to section can be V-arrangement,
" the flat V-arrangement " of V-Bottom is removed, " the flat concave arc shape " or other intermediate symmetric forms low, both ends are high at concave arc shape bottom are removed；
Booth material arm and die setting base between do along x to z to relatively compound reciprocating motion can be realized by other forms, such as utilize
Current existing numerically-controlled machine tool realizes that die setting base is motionless, by control system control booth material arm make along x to z to answer
It closes and moves back and forth, the upper surface of powder to be sintered is paved into concave arc shape.
The embodiment 1 of the preparation method of the uniform super hard abrasive oilstone of hardness of the invention, the oilstone to be prepared having a size of
80mm (L) × 5mm (B) × 4mm (C) expects device using above-mentioned booth, comprising the following steps:
1) it takes metallic bond and diamond abrasive to be uniformly mixed in batch mixer, obtains powder to be sintered；Wherein metal
The quality percentage accounting of bonding agent is 80%, and the quality percentage accounting of diamond abrasive is 20%；Metallic bond is bronze base
Bonding agent consists of the following mass percentage components: copper powder 80%, glass putty 15%, cobalt powder 3%, silver powder 2%；Buddha's warrior attendant stone mill
The granularity of material is W28；
2) it according to oilstone size, selects suitable graphite jig and assembles, powder to be sintered is uniformly put into graphite mo(u)ld
Tool type chamber, then the upper surface of powder to be sintered is paved into cancave cambered surface, the angle α of cancave cambered surface is 3 °, covers and presses on stone mill mold
Plate (contact surface of top board and powder to be sintered is plane), obtains mold to be sintered；
3) mold to be sintered is placed on pressing sintering at 550 DEG C, 25MPa and is sintered 0.1h, oil stone blank is made, then
Oil stone blank is machined, the oilstone finished product of dimensional accuracy qualification is obtained.
In the present embodiment, the cross-sectional view that oilstone spreads out material state is as shown in Figure 10, by home position shown in Figure 11 from left-hand
HRB hardness (surveying 13 point datas altogether) is successively beaten on the right side；Using traditional handicraft booth material (by powder in stone when 1 oilstone of comparative example makes
Uniformly shakeout in black mold), the formula of oilstone and other manufacturing process are identical with embodiment 1, equally each by Figure 11 detection
Point hardness, the results are shown in Table 1.
Embodiment 1 and 1 gained oilstone of comparative example are used for the grinding of cast iron part, ground effect comparison to be as shown in table 2.
The each point hardness number contrast table of table 1 embodiment 1 and 1 gained oilstone of comparative example
The ground effect contrast table of table 2 embodiment 1 and 1 gained oilstone of comparative example
| Surface roughness (Ra/ μm) | Finishing frequency (part/time) | Workpiece scratches situation | The oilstone service life | |
| Embodiment 1 | 0.2 | 1400 | Nothing | 18000 |
| Comparative example 1 | 0.4 | 600 | It scratches more | 8500 |
The embodiment 2 of the preparation method of the uniform super hard abrasive oilstone of hardness of the invention, the oilstone to be prepared having a size of
150mm (L) × 6mm (B) × 6mm (C) expects device using above-mentioned booth, comprising the following steps:
1) it takes metallic bond and diamond abrasive to be uniformly mixed in batch mixer, obtains powder to be sintered；Wherein metal
The quality percentage accounting of bonding agent is 85%, and the quality percentage accounting of diamond abrasive is 15%；Metallic bond is cobalt-based knot
Mixture consists of the following mass percentage components: cobalt powder 65%, copper powder 20%, iron powder 10%, glass putty 5%；Diamond abrasive
Granularity be W14；
2) it according to oilstone size, selects suitable graphite jig and assembles, powder to be sintered is uniformly put into graphite mo(u)ld
Tool type chamber, then the upper surface of powder to be sintered is paved into cancave cambered surface, the angle α of cancave cambered surface is 2 °, covers and presses on stone mill mold
Plate (contact surface of top board and powder to be sintered is plane), obtains mold to be sintered；
3) mold to be sintered is placed on pressing sintering at 700 DEG C, 45MPa and is sintered 0.2h, oil stone blank is made, then
Oil stone blank is machined, the oilstone finished product of dimensional accuracy qualification is obtained.
In the present embodiment, the cross-sectional view that oilstone spreads out material state is as shown in Figure 10, by home position shown in Figure 11 from left-hand
HRB hardness (surveying 13 point datas altogether) is successively beaten on the right side；Using traditional handicraft booth material (by powder in stone when 2 oilstone of comparative example makes
Uniformly shakeout in black mold), the formula of oilstone and other manufacturing process are identical with embodiment 1, equally each by Figure 11 detection
Point hardness, the results are shown in Table 3.
Embodiment 2 and 2 gained oilstone of comparative example are used for the grinding of stainless steel work-piece, ground effect to be compared such as 4 institute of table
Show.
The each point hardness number contrast table of table 3 embodiment 2 and 2 gained oilstone of comparative example
The ground effect contrast table of table 4 embodiment 2 and 2 gained oilstone of comparative example
| Surface roughness (Ra/ μm) | Finishing frequency (part/time) | Workpiece scratches situation | The oilstone service life | |
| Embodiment 2 | 0.1 | 1800 | Nothing | 32000 |
| Comparative example 2 | 0.2 | 850 | It scratches more | 13500 |
The embodiment 3 of the preparation method of the uniform super hard abrasive oilstone of hardness of the invention, the oilstone to be prepared having a size of
200mm (L) × 7mm (B) × 5mm (C) expects device using above-mentioned booth, comprising the following steps:
1) it takes metallic bond and diamond abrasive to be uniformly mixed in batch mixer, obtains powder to be sintered；Wherein metal
The quality percentage accounting of bonding agent is 75%, and the quality percentage accounting of diamond abrasive is 25%；Metallic bond is copper-based knot
Mixture consists of the following mass percentage components: copper powder 70%, glass putty 11%, iron powder 15%, cobalt 4%；Diamond abrasive
Granularity is W10；
2) it according to oilstone size, selects suitable graphite jig and assembles, powder to be sintered is uniformly put into graphite mo(u)ld
Tool type chamber, then the upper surface of powder to be sintered is paved into cancave cambered surface, the angle α of cancave cambered surface is 1 °, covers and presses on stone mill mold
Plate (contact surface of top board and powder to be sintered is plane), obtains mold to be sintered；
3) mold to be sintered is placed on pressing sintering at 600 DEG C, 30MPa and is sintered 0.15h, oil stone blank is made,
Oil stone blank is machined again, obtains the oilstone finished product of dimensional accuracy qualification.
In the present embodiment, the cross-sectional view that oilstone spreads out material state is as shown in Figure 10, by home position shown in Figure 11 from left-hand
HRB hardness (surveying 13 point datas altogether) is successively beaten on the right side；Using traditional handicraft booth material (by powder in stone when 3 oilstone of comparative example makes
Uniformly shakeout in black mold), the formula of oilstone and other manufacturing process are identical with embodiment 1, equally each by Figure 11 detection
Point hardness, the results are shown in Table 5.
Embodiment 3 and 3 gained oilstone of comparative example are used for the grinding of hard alloy cutter cutting edge, ground effect to compare such as
Shown in table 6.
The each point hardness number contrast table of table 5 embodiment 3 and 3 gained oilstone of comparative example
The ground effect contrast table of table 6 embodiment 3 and 3 gained oilstone of comparative example
| Surface roughness (Ra/ μm) | Finishing frequency (part/time) | Workpiece scratches situation | The oilstone service life | |
| Embodiment 3 | 0.05 | 1200 | Nothing | 11500 |
| Comparative example 3 | 0.1 | 490 | It scratches frequent | 4500 |
By the above testing result it is found that the hardness value difference of the different location of super hard abrasive oilstone obtained by method of the invention exists
Within 4, uniformity of hardness is good；Ground effect experiments have shown that, the uniform super hard abrasive oilstone of hardness of method preparation of the invention, mill
The precision for cutting processing is high, considerably reduces the finishing frequency of oilstone, and scratch substantially without workpiece, improves the oilstone service life.
Claims (9)
1. a kind of hardness uniform super hard abrasive oilstone molding booth material device, which is characterized in that including rack, set in the rack
Have and expect arm and die setting base to the booth of extension along z, die setting base be used for oilstone molding die length along x to extend, it is wide
Degree along y to installing oilstone molding die under the posture of extension, the booth expect can to do between arm and die setting base along x to z to
Relatively compound reciprocating motion, the both ends Partial Height of the track of the compound reciprocating motion is higher than middle section height, the booth
Expect that the lower end of arm is equipped with booth material knife.
2. hardness uniform super hard abrasive oilstone molding booth material device as described in claim 1, which is characterized in that mold installation
Seat can do along x to reciprocating motion, booth material arm can do along z to reciprocating motion.
3. hardness uniform super hard abrasive oilstone molding booth material device as claimed in claim 2, which is characterized in that the booth material
Be top-loaded with elastic device between arm and rack, die setting base include in reciprocatory movement with the elastic device one
Rise driving booth material arm move back and forth spill it is framed, the female arch have with booth material arm cooperation both ends it is symmetrical under
Concave surface.
4. hardness uniform super hard abrasive oilstone molding booth material device as claimed in claim 3, which is characterized in that the both ends
Line and horizontal line between the minimum point and highest point of symmetrical concave surface form angle α, and the range of the angle α is 1 °~
4°。
5. hardness uniform super hard abrasive oilstone molding booth material device as claimed in claim 4, which is characterized in that the both ends
Symmetrical concave surface is cancave cambered surface.
6. hardness uniform super hard abrasive oilstone molding booth material device as claimed in claim 4, which is characterized in that super hard abrasive
When the length of oilstone is not more than 90mm, the range of angle α is 2 °~4 °.
7. hardness uniform super hard abrasive oilstone molding booth material device as claimed in claim 4, which is characterized in that super hard abrasive
For the length of oilstone in 90~200mm, the range of angle α is 1 °~2 °.
8. hardness uniform super hard abrasive oilstone molding booth material device as claimed in claim 3, which is characterized in that the booth material
Arm includes the rolling member that cooperation is rolled with the framed concave surface of spill.
9. hardness uniform super hard abrasive oilstone molding booth material device as claimed in claim 8, which is characterized in that the rolling
Component is along y to the roller bearing of extension.
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| CN2107350U (en) * | 1991-08-30 | 1992-06-17 | 过松俊 | Material spreading device |
| CN201559134U (en) * | 2009-07-28 | 2010-08-25 | 山东鲁信高新技术产业股份有限公司 | Grinding wheel molding distribution device |
| CN201711879U (en) * | 2010-07-15 | 2011-01-19 | 郑州正道实业有限公司 | Novel resin grinding wheel forming mechanism |
| JP5723740B2 (en) * | 2011-10-11 | 2015-05-27 | 株式会社東京精密 | Blade lubrication mechanism and blade lubrication method of dicing apparatus |
| CN203282363U (en) * | 2013-06-19 | 2013-11-13 | 淄博泰玉广奕磨具有限公司 | Automatic resin grinding wheel material spreading machine |
| CN204711859U (en) * | 2014-12-04 | 2015-10-21 | 泰兴市和庆机械配件厂 | A kind of emery wheel production scraper system |
| CN105598864B (en) * | 2015-12-25 | 2018-03-09 | 郑州磨料磨具磨削研究所有限公司 | Prepared by a kind of extra hard material grinding wheel throws stand material device with automatic |
| CN205799277U (en) * | 2016-07-07 | 2016-12-14 | 东莞市贸鑫自动化机械设备有限公司 | A kind of stand material device of full-automatic abrasive wheel panel forming machine |
| CN106181796B (en) * | 2016-08-03 | 2018-01-30 | 中原工学院 | A kind of accurate stand material device of circular groove powder |
| CN106425904A (en) * | 2016-11-21 | 2017-02-22 | 郑州狮虎磨料磨具有限公司 | Material spreading device for superhard grinding wheel production |
-
2017
- 2017-04-27 CN CN201710289631.3A patent/CN107088845B/en active Active
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