CN204450260U - The device of abrasive material multilayer order arrangement - Google Patents
The device of abrasive material multilayer order arrangement Download PDFInfo
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- CN204450260U CN204450260U CN201420873197.5U CN201420873197U CN204450260U CN 204450260 U CN204450260 U CN 204450260U CN 201420873197 U CN201420873197 U CN 201420873197U CN 204450260 U CN204450260 U CN 204450260U
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Abstract
The utility model relates to the device of a kind of abrasive material multilayer order arrangement, comprise the cavity that can form malleation or negative pressure, described cavity is surrounded by the cylinder sleeve of top and the dividing plate of bottom, described dividing plate is provided with the through hole of ordered arrangement, fixedly suction pipe is connected in described each through hole, the top of described suction pipe is positioned at cavity, and bottom passes to dividing plate from through hole.Metal matrix powder is put into after the utility model suction pipe absorption abrasive particle, because suction pipe can ordered arrangement in advance in dividing plate, so abrasive particle can ordered arrangement in certain plane in metal matrix powder, and suction pipe can adjust the degree of depth inserted in metal matrix powder as required, therefore abrasive particle also can, in multilayer arrangement from inside to outside in metal matrix powder, use the apparatus and method in the utility model can carry out multilayer order arrangement to abrasive material fast, easily.The utility model can be applicable to the multilayer order arrangement of abrasive particle.
Description
Technical field
The utility model relates to grinding materials and grinding tool and manufactures field, the device of particularly a kind of abrasive material multilayer order arrangement.
Background technology
In conventional tool made of superhard material, abrasive material is random distribution/lack of alignment in carcass, therefore easily produces segregation.At abrasive particle enrichment region, wear particle concentration is high, sawing force is little, easily polished with wearing and tearing, can not effectively utilize and waste, be easy to block and the eliminating hindering landwaste simultaneously, cause grinding efficiency to decline; In the rare district of abrasive particle, excessive owing to bearing live load, impulsive force is large, abrasive particle be easy to cracked with come off.Add abundant batch mixing and prilling although be everlasting in grinding tool manufacture, can not tackle the problem at its root.Recent year external abrasive particle ordered arrangement aspect has been done a lot of work and has been attempted, great many of experiments shows, if the artificially orderly position of control abrasive particle in carcass, make it to carry out grinding according under different grinding condition and material, greatly can improve tool performance, life-extending, improve grinding surface quality, and minimizing abrasive grain usage, efficient energy-saving.
At present, domestic and international each laboratory and grinding tool company test ordered arrangement grinding tool and probe into, and especially on saw blade grinding performance, achieve certain experiences, and sum up and to have developed a series of effective ordered arrangement method be experimental provision.But the large-scale industrial production wanting to realize ordered arrangement grinding tool also acquires a certain degree of difficulty.The patented technology (U.S.Pantent..6,039,641) that China Taiwan China emery wheel company Song Jianmin doctor proposes. namely implement diamond uniform distribution/ordered arrangement by template, the method can accurate ordered arrangement diamond order abrasive particle.The patented technology (EP1208345A) proposed by Switzerland ETH lathe and working research institute doctor G.Burkhard etc., is adopt electrostatic arrangement method, can carries out ordered arrangement on bar disc.Xin Han company of Korea S exploitation ARIX automatic placement system, can in cutter head uniform sequential arrangement diamond abrasive, this automation technolo depth is high.
On template basis, " vacuum material-distributing machine (application number: 200820061656.4) " of Guo and Hui development is that the diamond abrasive in cloth through-hole template is shaken blanking by electromagnetic shaker, and efficiency is higher.The new type abrasive sequential arraying system that professor Xiao Bing of South Airways proposes adsorbs abrasive material with vacuum chamber on blanking die plate base, and abrasive material and carcass thin slice are that contact is sticked fixing, and arrangement positional precision is high, and structure is simple.But template Problems existing is blanking position there is entanglement, and irregular problem of arranging is obvious, and is not suitable for large-scale production.
In addition, people also use laser braze welding method, single use shell mould cloth method, screen cloth extrusion, method of slipping through the net, serigraphy, open type distribution, photoetching process and basal body structure method etc., grinding material sequential arraying is researched, but all can not meet industrial needs.
Utility model content
In order to overcome above-mentioned technical problem, the purpose of this utility model be to provide a kind of simply, the device of abrasive material multilayer order arrangement efficiently.
The technical scheme that the utility model adopts is:
A kind of device of abrasive material multilayer order arrangement, comprise the cavity that can form malleation or negative pressure, described cavity is surrounded by the cylinder sleeve of top and the dividing plate of bottom, described dividing plate is provided with the through hole of ordered arrangement, fixedly suction pipe is connected in described each through hole, the top of described suction pipe is positioned at cavity, and bottom passes to dividing plate from through hole.
As further improvement of the utility model, described cylinder sleeve is provided with the air pressure switching channel being communicated with cavity.
As further improvement of the utility model, be provided with filter material in described cavity, described filter material is between air pressure switching channel and the top of suction pipe.
As further improvement of the utility model, described cylinder sleeve is provided with electromagnetic shaker.
As further improvement of the utility model, described suction pipe is tightly connected in through-holes.
As further improvement of the utility model, the length that described suction pipe passes dividing plate accounts for more than 1/3 of suction pipe overall length.
The beneficial effects of the utility model are: put into metal matrix powder after the utility model suction pipe absorption abrasive particle, because suction pipe can ordered arrangement in advance in dividing plate, so abrasive particle can ordered arrangement in certain plane in metal matrix powder, and suction pipe can adjust the degree of depth inserted in metal matrix powder as required, therefore abrasive particle also can, in multilayer arrangement from inside to outside in metal matrix powder, use the device in the utility model can carry out multilayer order arrangement to abrasive material fast, easily.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the utility model is further illustrated.
Fig. 1 is the structural representation of the utility model device;
Fig. 2 is the schematic diagram utilizing device to adsorb abrasive particle;
Fig. 3 is the flow chart of abrasive particle absorption;
Fig. 4 is the schematic diagram utilizing device to implant abrasive particle;
Fig. 5 is the flow chart that abrasive particle is implanted;
Fig. 6 is the schematic diagram of air pressure switching device.
Detailed description of the invention
The device of abrasive material multilayer order arrangement as shown in Figure 1, comprise the cavity that can form malleation or negative pressure, cavity is surrounded by the cylinder sleeve 1 of top and the dividing plate 2 of bottom, and dividing plate 2 thickness is at 2-5mm, it is covered with the through hole of ordered arrangement, the shape of ordered arrangement can be determined according to the characteristic of grinding tool.Fixedly be connected to suction pipe 3 in each through hole, suction pipe 3 is straight tube and both ends open, and the opening on top is positioned at cavity, passes to dividing plate 2 bottom suction pipe 3 from through hole, and forms the bottom end opening for adsorbing abrasive particle in bottom.Suction pipe 3 length is at 12-40mm, and internal diameter is at 0.16-0.80mm, and the internal diameter of suction pipe 3 should be about 2/3 of abrasive grain diameter simultaneously, avoids abrasive particle to suck in suction pipe 3.When cavity is in condition of negative pressure, suction pipe 3 can adsorb the abrasive particle at bottom end opening place; When cavity is in positive pressure, abrasive particle can spray by suction pipe 3.
Preferably, the top of cylinder sleeve 1 is provided with the air pressure switching channel 4 being communicated with cavity, for the switching of malleation in cavity or negative pressure.As shown in Figure 6, air pressure switching channel 4 is connected to air pressure switching device, comprises the reversal valve 7 connecting air pressure switching channel 4, and is connected to vavuum pump 8 and the air pump 9 at reversal valve 7 two access port places, vavuum pump 8 for vacuumizing cavity, thus forms negative pressure; Air pump 9, for cavity air feed, makes cavity form malleation.
Can the dust at abrasive particle weekend be sucked in cavity and vavuum pump when suction pipe 3 adsorbs abrasive particle; and to also can the dust in outside air be sucked in cavity and suction pipe 3 during cavity air feed; in order to protect vavuum pump and suction pipe 3; filter material 5 is provided with in cavity; filter material 5 mainly contains sponge and forms, between air pressure switching channel 4 and the top of suction pipe 3.
Preferably, the sidewall of cylinder sleeve 1 is provided with electromagnetic shaker 6.The abrasive particle of single is all only adsorbed in the not each absorption of suction pipe 3, sometimes a suction pipe 3 can be adsorbed onto 2 even more abrasive particles, now can open electromagnetic shaker 6, by vibrations cylinder sleeve 1, dividing plate 2 and suction pipe 3, the abrasive particle that suction is not strong is shaken off, only keep single the strongest abrasive particle of suction to stay on suction pipe 3.
Preferably, suction pipe 3 is tightly connected in through-holes, and so cavity is only communicated with by suction pipe 3 with below dividing plate 2, prevents the generation of leaking gas between suction pipe 3 and through hole.The mode be tightly connected can adopt the form of fluid sealant to be tightly connected.
In addition, suction pipe 3 length passed below dividing plate 2 preferably accounts for more than 1/3 of suction pipe 3 overall length, can ensure to have enough implantation depths.
A kind of abrasive material multilayer order arrangement method using said apparatus is also provided in embodiment, comprises the following steps:
A. carcass metal dust 10 is loaded mould 11 and precompressed, make it have certain density;
B. as shown in Figures 2 and 3, each suction pipe 3 is inserted in abrasive particle heap, utilize vavuum pump to vacuumize cavity and make to form negative pressure in cavity, thus each suction pipe 3 adsorbs abrasive particle.As shown in Figure 3, suction pipe 3 is extracted from abrasive particle heap, and opens electromagnetic shaker 6, by different vibration frequencies (20 ~ 200Hz), unnecessary abrasive particle is shaken off in abrasive particle heap, keep the abrasive particle that every root suction pipe 3 only adsorbs single;
C. as shown in Figure 4 and Figure 5, keep negative pressure state in cavity, above mobile cavity to carcass metal dust 10, prepare the implantation of abrasive particle;
D. each suction pipe 3 is pressed set depth and is inserted carcass metal dust until bottom;
E. vavuum pump is closed, open air pump to make to switch to malleation in cavity to cavity air feed, by the promotion of gas and the rubbing action between carcass metal dust and abrasive particle, abrasive particle departs from suction pipe 3 and is positioned in carcass metal dust, and the individual layer completing abrasive particle is implanted;
F. extract each suction pipe 3, again pressure is applied to carcass metal dust, the uniformity keeping powder to scatter and the accuracy of abrasive grain locations.
G. repeat step b to step f, but repeat all to reduce the degree of depth that suction pipe 3 inserts carcass metal dust at every turn, thus form the multiple abrasive grain layers arranged to stacked on top by bottom;
H. cold moudling and sintering are carried out to carcass metal dust, mould, finally obtain multilayer order arrangement goods.
Abrasive particle in above-described embodiment is 10-80 object diamond, can certainly be superhard material, such as cubic boron nitride etc.
The above be the utility model preferred embodiment, it does not form the restriction to the utility model protection domain.
Claims (6)
1. the device of an abrasive material multilayer order arrangement, it is characterized in that: comprise the cavity that can form malleation or negative pressure, described cavity is surrounded by the cylinder sleeve of top and the dividing plate of bottom, described dividing plate is provided with the through hole of ordered arrangement, fixedly suction pipe is connected in described each through hole, the top of described suction pipe is positioned at cavity, and bottom passes to dividing plate from through hole.
2. the device of abrasive material multilayer order arrangement according to claim 1, is characterized in that: described cylinder sleeve is provided with the air pressure switching channel being communicated with cavity.
3. the device of abrasive material multilayer order arrangement according to claim 2, it is characterized in that: be provided with filter material in described cavity, described filter material is between air pressure switching channel and the top of suction pipe.
4. the device of abrasive material multilayer order arrangement according to claim 1, is characterized in that: described cylinder sleeve is provided with electromagnetic shaker.
5. the device of the abrasive material multilayer order arrangement according to claim 1 or 2 or 3 or 4, is characterized in that: described suction pipe is tightly connected in through-holes.
6. the device of the abrasive material multilayer order arrangement according to claim 1 or 2 or 3 or 4, is characterized in that: the length that described suction pipe passes dividing plate accounts for more than 1/3 of suction pipe overall length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420873197.5U CN204450260U (en) | 2014-12-31 | 2014-12-31 | The device of abrasive material multilayer order arrangement |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420873197.5U CN204450260U (en) | 2014-12-31 | 2014-12-31 | The device of abrasive material multilayer order arrangement |
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| CN204450260U true CN204450260U (en) | 2015-07-08 |
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| CN201420873197.5U Active CN204450260U (en) | 2014-12-31 | 2014-12-31 | The device of abrasive material multilayer order arrangement |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104526592A (en) * | 2014-12-31 | 2015-04-22 | 广东工业大学 | Device and method for abrasive material multilayer orderly arraying |
| CN110893587A (en) * | 2019-12-09 | 2020-03-20 | 安徽信息工程学院 | Microchamber adsorption single-layer arrangement device for diamond arrangement and use method thereof |
-
2014
- 2014-12-31 CN CN201420873197.5U patent/CN204450260U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104526592A (en) * | 2014-12-31 | 2015-04-22 | 广东工业大学 | Device and method for abrasive material multilayer orderly arraying |
| CN110893587A (en) * | 2019-12-09 | 2020-03-20 | 安徽信息工程学院 | Microchamber adsorption single-layer arrangement device for diamond arrangement and use method thereof |
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