CN106956226B - A kind of preparation method of composite grinding block - Google Patents
A kind of preparation method of composite grinding block Download PDFInfo
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- CN106956226B CN106956226B CN201710270945.9A CN201710270945A CN106956226B CN 106956226 B CN106956226 B CN 106956226B CN 201710270945 A CN201710270945 A CN 201710270945A CN 106956226 B CN106956226 B CN 106956226B
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- abrasive materials
- magnesia
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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
- B24D18/009—Tools not otherwise provided for
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- Mechanical Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
A kind of preparation method of composite grinding block, including deck and grinding cutter head, grinding cutter head are made of resinous abrasive materials and magnesia abrasive material, and magnesia abrasive material is set to the periphery of corresponding resinous abrasive materials；Preparation method includes the following steps: A, preparing resinous abrasive materials: resinoid bond, abrasive material and filler being poured into curing molding in mold after mixing and obtain resinous abrasive materials；B, preparation grinding cutter head: resinous abrasive materials after molding are put into mold, then pour into the mixed liquor of magnesia, magnesium chloride and silicon carbide abrasive around resinous abrasive materials, place curing molding under room temperature.The grinding cutter head being combined by resinous abrasive materials and magnesia abrasive material is arranged in the present invention, abrading block can be made both to have had the excellent polishing performance of magnesia silicon carbide grinding block, but also with the wear-resisting property of resin grinding block, substantially increase the service life of magnesia silicon carbide grinding block, to reduce its blowdown flow rate, the extra cost of sewage treatment generation is saved, and the burden of worker can be mitigated.
Description
Technical field
The present invention relates to a kind of abrading block, in particular to a kind of composite grinding block is mainly used for polished bricks, quartz slate, big
The polishing on the surfaces such as fibrous gypsum plate.
Background technique
Ceramics, the surface grinding of stone material and polishing are a particularly important procedure in Ceramic manufacturing, traditional grinding
Material is mostly magnesia silicon carbide grinding block, this magnesia silicon carbide grinding block be suitable for lithotome, artificial board, Ceramic Tiles,
The grinding and polishing of the materials such as refractory material and concrete plate, however this magnesia silicon carbide grinding block energy consumption is high, uses
Service life is short, only 1-2 hours, too big due to consuming, cause it is seriously polluted, and as environmental requirement is higher and higher, sewage treatment
Expense is higher and higher, and the blowdown transportation cost of magnesia silicon carbide grinding block is caused to improve.In addition, resin-diamond abrading block uses the longevity
Life length, up to 80 times or more of traditional magnesia silicon carbide grinding block service life, power consumption is low, and environmental pollution is small, it is considered to be replaces
For the optimal selection of magnesia silicon carbide grinding block, still, resin grinding block is there are sharpness deficiency on domestic market, and polishing effect is not
Such as the problems such as magnesia silicon carbide grinding block, it is difficult to replace traditional magnesia silicon carbide grinding block always.Chinese patent literature number
CN106244109A disclosed a kind of using magnesia as the preparation of the diadust granule of binder on December 21st, 2016
Method, specifically discloses that described method includes following steps: step (1): the diadust granularity of selection is 0.1-55 μm, is claimed
Measure and be added in curing agent A and impregnate 10~12 hours, pull out drain it is spare；Step (2): magnesia will be calcined and impregnated
Diadust, calcine magnesia according to mass ratio: it is spare that diadust=1:1~3 are mixed into mixed powder,
Middle calcining magnesia partial size≤3 μm；Step (3): mixed powder being placed in the material pot of Chufa-type sugarcoating machine, sugar coating machine is started,
Keep revolving speed in 25r/min；High-pressure sprayer is opened simultaneously, curing agent A is uniformly sprayed on mixture；When sugar coating machine works
Material pot is stirred with material scraping plate, and scrapes off the powder of sugar coating machine surface adhesion, until it can't see powder, by 25~35 points
Wet material block is made in clock；Step (4): material block will be moistened made from step (3) and is made thinner, after spontaneously drying 100-120 minutes, is led to
Selected screen size screening is crossed, primary granule is obtained, remaining person is left to be used next time again；Step (5): primary granule is relay into pan feeding pot
Among, sugar coating machine is started, keeps revolving speed in 25r/min；High-pressure sprayer is opened simultaneously, curing agent B is uniformly sprayed onto primary
On granule；Material pot is stirred with material scraping plate when sugar coating machine rotates, is spontaneously dried 110~130 minutes；Pass through selected sieve by required granularity
Number accurate screening, obtains basic granule；Step (6): the basic granule obtained by step (5) is placed in 220 DEG C of ± 10 DEG C of bakings
Baking and curing 50~70 minutes in case, then cooled to room temperature is taken out, and obtains the diadust granule of magnesia combination,
Complete preparation process.There are drawbacks described above for module made from the preparation method, therefore, it is necessary to be further improved.
Summary of the invention
The purpose of the present invention be intended to provide it is a kind of it is simple and reasonable, polishing effect is good, wearability is strong, long service life,
The few composite grinding block of blowdown flow rate, to overcome shortcoming in the prior art.
By a kind of composite grinding block that this purpose designs, including deck and grinding cutter head, it is characterised in that: the grinding cutter
Head is made of resinous abrasive materials and magnesia abrasive material, and magnesia abrasive material is set to the periphery of corresponding resinous abrasive materials.
More than one grinding face is provided on the grinding cutter head, resinous abrasive materials and magnesia abrasive material are respectively exposed to
On each grinding face.
The resinous abrasive materials through feed grinding cutter head, the either flush of top surface and magnesia abrasive material, and collectively form grinding
The grinding face of cutter head, bottom surface are supported on deck.
The resinous abrasive materials are column type body, and section is round, oval, polygon or abnormity etc..
The preparation method of above-mentioned composite grinding block, it is characterised in that: the resinous abrasive materials include 35-60 by mass fraction ratio
Part resinoid bond, 5-25 parts of abrasive materials and 5-40 parts of fillers；The magnesia abrasive material includes by 40-60 parts of oxygen by mass fraction ratio
Change bonding agent and 5-25 parts of silicon carbide abrasives that magnesium and 30-40 parts of magnesium chlorides mix；
Preparation method the following steps are included:
A, resinous abrasive materials are prepared: resinoid bond, abrasive material and filler being poured into curing molding in mold after mixing and obtained
To resinous abrasive materials；
B, preparation grinding cutter head: resinous abrasive materials after molding are put into mold, then poured into around resinous abrasive materials magnesia,
The mixed liquor of magnesium chloride and silicon carbide abrasive places curing molding under room temperature.
The resinoid bond include epoxy resin, phenolic resin, polyvinyl alcohol, vinylite, in unsaturated-resin
One or more combination.
The abrasive material includes the combination of one or more of silicon carbide, diamond, white fused alumina, abrasive grain 180-6000
Mesh.
The filler includes the combination of one or more of chrome oxide green, polishing powder, calcium carbonate, zinc oxide.
The preparation method one of resinous abrasive materials: the resinous abrasive materials include 50 parts of phenolic resin, 8 part 240 by mass parts ratio
Silicon carbide, 10 parts of zinc oxide and the 20 parts of calcium carbonate of purpose diamond, 12 part of 240 mesh, forming temperature are 180 DEG C.
The preparation method two of resinous abrasive materials: the resinous abrasive materials include 40 parts of epoxy resin, 6 parts of isophthalic by mass parts ratio
Diamines, the diamond of 5 part of 240 mesh, 15 part of 240 mesh silicon carbide, 14 parts of zinc oxide and 20 parts of calcium carbonate, forming temperature 80
℃-100℃。
The preparation method three of resinous abrasive materials: the resinous abrasive materials include 40 parts of vinylites, 1.2 parts by mass parts ratio
Methyl ethyl ketone peroxide, 0.8 part of cobalt accelerator, the diamond of 8 part of 240 mesh, 16 part of 240 mesh silicon carbide, 14 parts of zinc oxide and 20
Part calcium carbonate, forming temperature are room temperature.
The preparation method four of resinous abrasive materials: the resinous abrasive materials include 40 parts of unsaturated-resins, 1.2 parts by mass parts ratio
Methyl ethyl ketone peroxide, 0.8 part of cobalt accelerator, the diamond of 8 part of 240 mesh, 16 part of 240 mesh silicon carbide, 14 parts of zinc oxide and 20
Part calcium carbonate, forming temperature are room temperature.
The grinding cutter head being combined by resinous abrasive materials and magnesia abrasive material is arranged in the present invention, and abrading block can be made both to have had water chestnut hardship
The excellent polishing performance of native silicon carbide grinding block substantially increases magnesia silicon carbide mill but also with the wear-resisting property of resin grinding block
The service life of block saves the extra cost of sewage treatment generation to reduce its blowdown flow rate, and can mitigate worker's
Burden has the characteristics that simple and reasonable, polishing effect is good, wearability is strong, long service life, blowdown flow rate are few.
Detailed description of the invention
Fig. 1-Fig. 3 is respectively structural schematic diagram when resinous abrasive materials are in different shape in first embodiment of the invention.
Fig. 4 is the cross-sectional view of first embodiment of the invention.
Fig. 5 and Fig. 6 is respectively structural schematic diagram when resinous abrasive materials are in different shape in second embodiment of the invention.
Fig. 7 is the enlarged diagram in Fig. 5 at A.
Fig. 8 is the enlarged diagram in Fig. 6 at B.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and embodiments.
First embodiment
Referring to figures 1-4, this composite grinding block, including deck 1 and grinding cutter head 2, are ground cutter head 2 by 3 He of resinous abrasive materials
Magnesia abrasive material 4 is constituted, and magnesia abrasive material 4 is set to the periphery of corresponding resinous abrasive materials 3.This structure is by being arranged by resinous abrasive materials
3 and the grinding cutter head 2 that is combined of magnesia abrasive material 4, abrading block can be made both to have had the excellent polishing of magnesia silicon carbide grinding block
Can, but also with the wear-resisting property of resin grinding block, the service life of magnesia silicon carbide grinding block is substantially increased, to reduce it
Blowdown flow rate, saves the extra cost of sewage treatment generation, and can mitigate the burden of worker.
Furtherly, grinding 2 surface of cutter head is provided with a grinding face, and resinous abrasive materials 3 and magnesia abrasive material 4 are distinguished
When exposing on each grinding face, and working, while generation acts on.
Furtherly, 3 through feed grinding cutter head 2 of resinous abrasive materials, the either flush of top surface and magnesia abrasive material 4, and it is common
The grinding face of grinding cutter head 2 is constituted, bottom surface is supported on deck 1, plays a supportive role.
Furtherly, referring to Fig. 1, resinous abrasive materials 3 may be configured as cylindrical body；Referring to fig. 2, resinous abrasive materials 3 may be configured as standing
Square column；Referring to Fig. 3, resinous abrasive materials 3 may be configured as trapezoidal column.
In above-mentioned composite grinding block, resinous abrasive materials 3 by mass fraction than include 50 parts of phenolic resin, 8 part of 240 mesh Buddha's warrior attendant
Silicon carbide, 10 parts of zinc oxide and the 20 parts of calcium carbonate of stone, 12 part of 240 mesh；The magnesia abrasive material 4 by mass fraction ratio include by
The bonding agent and 5-25 parts of silicon carbide abrasives that 40-60 parts of magnesia and 30-40 parts of magnesium chlorides mix；
Preparation method includes the following steps:
A, resinous abrasive materials are prepared: phenolic resin, diamond, silicon carbide, zinc oxide and calcium carbonate are poured into after mixing
Hot-forming resinous abrasive materials 3 are obtained in mold with 180 DEG C；
B, preparation grinding cutter head: resinous abrasive materials 3 after molding are put into mold, then pour into oxidation around resinous abrasive materials 3
The mixed liquor of magnesium, magnesium chloride and silicon carbide abrasive places curing molding under room temperature.
Second embodiment
Referring to figure 5-8, this composite grinding block, be different from being in place of first embodiment: grinding 2 surface of cutter head is side by side
Several grinding faces are provided with, resinous abrasive materials 3 and magnesia abrasive material 4 are respectively exposed on each grinding face.
Referring to Fig. 7, resinous abrasive materials 3 may be configured as cube rod；Referring to Fig. 8, resinous abrasive materials 3 may be configured as cylindrical body.
Other not described same first embodiments in part, here no longer analytic explanation.
3rd embodiment
The preparation method of this composite grinding block is different from being in place of first embodiment: resinous abrasive materials 3 are by mass parts ratio
Including 40 parts of epoxy resin E44,6 parts of m-phenylene diamine (MPD)s, the diamond of 5 part of 240 mesh, 15 part of 240 mesh silicon carbide, 14 parts of zinc oxide
With 20 parts of precipitated calcium carbonates, forming temperature is 80 DEG C -100 DEG C.
Other not described same first embodiments in part, here no longer analytic explanation.
Fourth embodiment
The preparation method of this composite grinding block is different from being in place of first embodiment: resinous abrasive materials 3 are by mass parts ratio
Including 40 parts of vinylites, 1.2 parts of methyl ethyl ketone peroxides, 0.8 part of cobalt accelerator, 8 part of 240 mesh diamond, 16 part of 240 mesh
Silicon carbide, 14 parts of zinc oxide and 20 parts of precipitated calcium carbonates, forming temperature be room temperature.
Other not described same first embodiments in part, here no longer analytic explanation.
5th embodiment
The preparation method of this composite grinding block is different from being in place of first embodiment: resinous abrasive materials 3 are by mass parts ratio
Including 40 parts of unsaturated-resin 199#, 1.2 parts of methyl ethyl ketone peroxides, 0.8 part of cobalt accelerator, the diamond of 8 part of 240 mesh, 16 parts
The silicon carbide of 240 mesh, 14 parts of zinc oxide and 20 parts of precipitated calcium carbonates, forming temperature are room temperature.
Other not described same first embodiments in part, here no longer analytic explanation.
Above-mentioned is preferred embodiment of the invention, and basic principles and main features and the present invention of the invention have been shown and described
The advantages of.Those skilled in the art should be recognized that the present invention is not limited to the above embodiments, above embodiments and description
Described in merely illustrate the principles of the invention, without departing from the spirit and scope of the present invention the present invention also have it is various
Changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by institute
Attached the spirit and scope of the invention define.
Claims (7)
1. a kind of preparation method of composite grinding block, including deck (1) and grinding cutter head (2), the grinding cutter head (2) is by resin
Abrasive material (3) and magnesia abrasive material (4) are constituted, and magnesia abrasive material (4) is set to the periphery of corresponding resinous abrasive materials (3)；
More than one grinding face is provided on the grinding cutter head (2), resinous abrasive materials (3) and magnesia abrasive material (4) are respectively
It exposes on each grinding face；
Resinous abrasive materials (3) the through feed grinding cutter head (2), the either flush of top surface and magnesia abrasive material (4), and collectively form
It is ground the grinding face of cutter head (2), bottom surface is supported on deck (1)；
It is characterized by: the resinous abrasive materials (3) by mass fraction ratio include 35-60 parts of resinoid bonds, 5-25 parts of abrasive materials and
5-40 parts of fillers；The magnesia abrasive material (4) includes being mixed by 40-60 parts of magnesia and 30-40 parts of magnesium chlorides by mass fraction ratio
Bonding agent and 5-25 made of conjunction part silicon carbide abrasive；
Preparation method the following steps are included:
A, resinous abrasive materials are prepared: resinoid bond, abrasive material and filler are poured into curing molding tree in mold after mixing
Rouge abrasive material (3)；
B, preparation grinding cutter head: resinous abrasive materials after molding (3) are put into mold, then pour into oxidation around resinous abrasive materials (3)
The mixed liquor of magnesium, magnesium chloride and silicon carbide abrasive places curing molding under room temperature.
2. the preparation method of composite grinding block according to claim 1, it is characterised in that: the resinous abrasive materials (3) are column type
Body, section are round, oval, polygon or abnormity.
3. the preparation method of composite grinding block according to claim 1, it is characterised in that: the resinoid bond includes epoxy
The combination of one or more of resin, phenolic resin, polyvinyl alcohol, vinylite, unsaturated-resin；The abrasive material includes carbon
The combination of one or more of SiClx, diamond, white fused alumina, abrasive grain are 180-6000 mesh；The filler includes chromium oxide
The combination of one or more of green, polishing powder, calcium carbonate, zinc oxide.
4. the preparation method of composite grinding block according to claim 3, it is characterised in that: the resinous abrasive materials (3) press quality
Portion rate includes silicon carbide, 10 parts of zinc oxide and the 20 parts of carbon of 50 parts of phenolic resin, the diamond of 8 part of 240 mesh, 12 part of 240 mesh
Sour calcium, forming temperature are 180 DEG C.
5. the preparation method of composite grinding block according to claim 4, it is characterised in that: the resinous abrasive materials (3) press quality
Portion rate includes silicon carbide, the 14 parts of oxygen of 40 parts of epoxy resin, 6 parts of m-phenylene diamine (MPD)s, the diamond of 5 part of 240 mesh, 15 part of 240 mesh
Change zinc and 20 parts of calcium carbonate, forming temperature is 80 DEG C -100 DEG C.
6. the preparation method of composite grinding block according to claim 3, it is characterised in that: the resinous abrasive materials (3) press quality
Portion rate includes 40 parts of vinylites, 1.2 parts of methyl ethyl ketone peroxides, 0.8 part of cobalt accelerator, the diamond of 8 part of 240 mesh, 16
Silicon carbide, 14 parts of zinc oxide and the 20 parts of calcium carbonate of 240 mesh of part, forming temperature are room temperature.
7. the preparation method of composite grinding block according to claim 3, it is characterised in that: the resinous abrasive materials (3) press quality
Portion rate includes 40 parts of unsaturated-resins, 1.2 parts of methyl ethyl ketone peroxides, 0.8 part of cobalt accelerator, the diamond of 8 part of 240 mesh, 16
Silicon carbide, 14 parts of zinc oxide and the 20 parts of calcium carbonate of 240 mesh of part, forming temperature are room temperature.
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| CN201710270945.9A CN106956226B (en) | 2017-04-24 | 2017-04-24 | A kind of preparation method of composite grinding block |
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| CN201710270945.9A CN106956226B (en) | 2017-04-24 | 2017-04-24 | A kind of preparation method of composite grinding block |
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| CN106956226B true CN106956226B (en) | 2019-05-10 |
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| CN110900473B (en) * | 2019-12-11 | 2020-10-27 | 郑州磨料磨具磨削研究所有限公司 | Conductive resin binder grinding wheel and preparation process thereof |
| CN111763065A (en) * | 2020-06-02 | 2020-10-13 | 鄂州市兴方磨具有限公司 | Magnesite rice milling grinding wheel and manufacturing method thereof |
| CN111941295B (en) * | 2020-08-05 | 2021-09-03 | 泉州金石金刚石工具有限公司 | Novel processing method of Brad grinding block |
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