CN105729318A - Grinding wheel for polishing and grinding ceramic tile biscuit, manufacturing method of grinding wheel and polishing and grinding apparatus and polishing and grinding method for ceramic tile biscuit - Google Patents
Grinding wheel for polishing and grinding ceramic tile biscuit, manufacturing method of grinding wheel and polishing and grinding apparatus and polishing and grinding method for ceramic tile biscuit Download PDFInfo
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- CN105729318A CN105729318A CN201610297420.XA CN201610297420A CN105729318A CN 105729318 A CN105729318 A CN 105729318A CN 201610297420 A CN201610297420 A CN 201610297420A CN 105729318 A CN105729318 A CN 105729318A
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- ceramic tile
- grinding block
- emery wheel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
- B24D5/06—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor with inserted abrasive blocks, e.g. segmental
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
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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
-
- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
- B24D3/06—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
- B24D3/14—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic ceramic, i.e. vitrified bondings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/20—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially organic
- B24D3/28—Resins or natural or synthetic macromolecular compounds
- B24D3/285—Reaction products obtained from aldehydes or ketones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
- B24D5/10—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor with cooling provisions, e.g. with radial slots
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D99/00—Subject matter not provided for in other groups of this subclass
- B24D99/005—Segments of abrasive wheels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention relates to a grinding wheel for polishing and grinding a ceramic tile biscuit, a manufacturing method of the grinding wheel, and a polishing and grinding apparatus and a polishing and grinding method for the ceramic tile biscuit, and belongs to the technical field of ceramic tile machining. The grinding wheel comprises a central spindle, an elastic layer and a grinding layer. In the radial direction of the grinding wheel, the elastic layer is fixed between the central spindle and the grinding layer. The grinding layer consists of grinding blocks. By arranging the elastic layer between the grinding blocks and the central spindle, a polishing omission rate of the grinding wheel can be effectively reduced.
Description
Technical field
The present invention relates to a kind of grinding tool and manufacture method thereof and using method, specifically, relate to a kind of ceramic tile biscuit rubbing down emery wheel and its manufacture method, with the polishing and grinding apparatus that this emery wheel builds, and adopt the method that ceramic tile biscuit carries out rubbing down by this polishing and grinding apparatus.
Background technology
In the process producing ceramic tile, on ceramic tile biscuit, one layer of glaze layer is laid by drenching the mode of glaze or glaze spraying, in order to improve the flatness of ceramic tile surface and reduce the use to glaze, before drenching glaze or glaze spraying operation, need to adopt emery wheel that the surface of ceramic tile biscuit is carried out rubbing down.
It is illustrated in figure 1 a kind of emery wheel 01 being usually used in rubbing down ceramic tile biscuit, it is made up of the grinding layer 012 of mandrel 011 with tubular, grinding layer 012 is placed on mandrel 011 connection outer and fixed thereto, in rubbing down process, for firmly to contact between the grinding face 0120 of grinding layer 012 with ceramic tile biscuit surface, stock removal is big, it is possible to carry out quick rubbing down；But, ceramic tile biscuit is usually present certain deformation, such as its surface occur in the middle of high surrounding is low or at the bottom of two in the middle of high situation, can there is the problem that 30% leakage is thrown.
In order to reduce leakage throwing rate, it is common that adopt abrasive band to substitute emery wheel and ceramic tile biscuit surface is carried out rubbing down, although reduce Lou throwing rate, but the rubbing down life-span in abrasive band is as short as one day, need to be replaced as frequently as abrasive band, be unfavorable for reducing the production cost of ceramic tile.
Additionally, due to the rubbing down of ceramic tile biscuit is dry grinding, mainly cools down by wind, but air cooling effect is less desirable, it is easy to cause that wheel face produces grinding heat effect with ceramic tile biscuit surface.
Summary of the invention
The main purpose of the present invention is to provide a kind of leaks the ceramic tile biscuit rubbing down emery wheel that throwing rate is low；
It is a further object of the present invention to provide a kind of method manufacturing above-mentioned ceramic tile biscuit rubbing down emery wheel；
It is a further object of the present invention to provide more than one and state the ceramic tile biscuit polishing and grinding apparatus that emery wheel builds；
Another object of the present invention is to provide a kind of ceramic tile biscuit rubbing down method that rubbing down is effective.
In order to realize above-mentioned main purpose, ceramic tile biscuit rubbing down emery wheel provided by the invention includes mandrel, elastic layer and grinding layer.At emery wheel radially, elastic layer is fixed between mandrel and grinding layer.Grinding layer is made up of grinding block, and the grinding face of grinding block is arcwall face, and this arcwall face is respectively positioned in same straight cylindrical surfaces, and namely the enveloping surface of all arcwall faces is straight cylindrical surfaces.Two pieces of adjacent grinding block intervals layouts and the gap between the two constitute interval trough.On the developed surface of described straight cylindrical surfaces, in the circumference of ceramic tile biscuit rubbing down emery wheel, in the grinding face of one piece of grinding block of upstream, the projection on straight cylindrical surfaces bus is completely covered adjacent and that gap between two pieces of grinding block grinding faces in downstream is on this bus projection.
From above scheme, by the grinding layer of integral type is divided into polylith grinding block, and be connected by posterior limiting is fixing between grinding block with mandrel, enable each grinding block concavo-convex situation according to grinding ceramic tile biscuit surface location place of institute, the corresponding position regulated diametrically, for relative raised position, the grinding force this raised position applied by grinding block owing to the deformation of elastic layer is big is also big, and then stock removal is also big, and relatively recessed position, then stock removal is also relatively small, effectively enough can not only reduce leakage throwing rate, and quick rubbing down can be carried out；Owing to being formed with interval trough between adjacent two pieces of grinding blocks, this interval trough does not merely comprise the chip area of emery wheel, while being effectively improved chip removal performance, when cooling air is by these interval troughs, it is possible to take away heat well, to improve the cooling effect to emery wheel；In the circumferential, the gap between two grinding block grinding faces can be covered down due to previous grinding block grinding face in the circumferential well, Lou throwing rate can be effectively reduced.Additionally, compared with abrasive band, its service life can be designed to very long, efficiently reduces replacement frequency, to reduce the production cost of ceramic tile.
The developed surface that one concrete scheme is grinding block circumferentially upper section is rhombus, and a diagonal of rhombus is arranged along the direction of the rotation axis being parallel to ceramic tile biscuit rubbing down emery wheel.It is easy to the arrangement grinding block on elastic layer surface.
Another concrete scheme is on the developed surface of straight cylindrical surfaces, along being parallel to the direction of ceramic tile biscuit rubbing down emery wheel rotation axis, the projection in straight cylindrical surfaces directrix of the grinding face of one piece of grinding block in upstream is completely covered adjacent and that gap between two pieces of grinding block grinding faces in downstream is in this directrix projection.Along the circumference of emery wheel and the direction being parallel to rotation axis, all it is absent from the grinding line of blank；And in this both direction, between adjacent grinding block, it is transpostion interval arrangement, it is effectively improved rubbing down effect and reduces leakage throwing rate.
Another concrete scheme is the developed surface in the cross section that grinding block is circumferentially gone up is rectangle, and an edge of this rectangle is parallel to the direction of ceramic tile biscuit rubbing down emery wheel rotation axis and arranges.The positive integer that quantity is N+1 times of the grinding block row arranged along the direction being parallel to rotation axis, wherein, N is positive integer, and grinding block arranges to be formed a line by the grinding block of more than two pieces and forms.In same grinding block row, the adjacent spacing between two pieces of grinding blocks is parallel to the 1/N of the length that rotation axis direction is arranged equal to rectangle edge.One side end face of the one piece of grinding block being positioned at upstream in the circumference of ceramic tile biscuit rubbing down emery wheel is coplanar with the side end wall of interval trough that is adjacent and that be positioned between two pieces of grinding blocks in downstream.Effectively ensure that the length in the grinding face of edge rotation the striden across grinding block of grinding line circumferentially is identical.
One preferred scheme is metallic bond grinding block for being grinding block, by weight, the raw material of metallic bond grinding block includes the copper powder of 47 parts-60 parts, the copper cerium alloy powder of 10 parts-15 parts, the iron powder of 10 parts-13 parts, the glass putty of 13 parts-16 parts, the molybdenum disulphide powder of 2 parts-5 parts, the ferroso-ferric oxide powder of 2 parts-4 parts, the diamond of the graphite powder of 1 part-2 parts and 2.9 parts-3.2 parts.Wherein, diamond, as abrasive particle, provides the grinding sword needed for grinding for wheel grinding；Copper powder, copper cerium alloy powder, iron powder and glass putty, as the primary raw material of metallic bond, form metallic bond at a sintering temperature, provide hold for abrasive particle；Molybdenum bisuphide, for reducing the friction between emery wheel carcass and work package when emery wheel carries out grinding, rises and reduces rubbing action；Ferroso-ferric oxide powder for playing polishing action in rubbing down process, to reduce roughness during grinding；Graphite powder is used for conducting heat and dispelling the heat, and plays lubrication.This component and parts by weight scope thereof can be that this metallic bond grinding block is when roughly grinding ceramic tile biscuit, it is provided that the rate of wear of bonding agent carcass and the falling speed of diamond match, to guarantee grinding efficiency and effect.
Another preferred scheme is grinding block is vitrified bond grinding block, by weight mark, and the raw material of vitrified bond grinding block includes temporary adhesive, the diamond of 100 parts, the vitrified bond of 20 parts-30 parts, the Ti of 1 part-5 parts3AlC2And the zirconium oxide of 1 part-5 parts.It is mixed into Ti in the feed3AlC2Bonding agent intensity is less with hardness impact, and it has good antioxygenic property and greasy property, also being able in the temperature environment of 1000 degrees Celsius will not be oxidized, make the high temperature of its high-temperature process in preparation process and grinding process generation remains to keep good heat conductivility and good greasy property, for improving heat dispersion and the greasy property of grinding block；It is mixed into zirconium oxide in the feed, when not affecting bonding agent performance, utilizes its hardness that grinding block is assisted；Diamond is abrasive particle；Diamond is abrasive particle, provides required grinding sword for wheel grinding；Vitrified bond provides hold for abrasive particle.
Another preferred scheme is grinding block is resinoid bond grinding block, by weight, the raw material of resinoid bond grinding block includes the phenol-formaldehyde resin powder of 62 parts-66 parts, the zinc oxide of 0 part-8 parts, the barium sulfate of 0 part-5 parts, the sodium carbonate of 0 part-4 parts, the semi-hydrated gypsum powder of 5 parts-9 parts, the white carbon of 3 parts-4 parts, the butyral of 5 parts-10 parts, the zinc stearate of 3 parts-6 parts, the diamond of the zirconium oxide of 0 part-6 parts and 4.5 parts-5.0 parts.Wherein, diamond, as abrasive particle, provides required grinding sword for wheel grinding；Phenol-formaldehyde resin powder, as bonding agent, provides hold for abrasive particle；Zinc oxide is as framework material, and barium sulfate is as weakening phase, and sodium carbonate is for pore-creating heat absorption, and semi-hydrated gypsum powder is as strengthening carcass, and white carbon is as dispersion phase, and butyral is as resin flexibilizer, and zinc stearate is as releasing agent, and zirconium oxide is as reinforcing agent and polishing agent.This component and parts by weight scope thereof can be that this resinoid bond grinding block is when refining ceramic tile biscuit, it is provided that the rate of wear of bonding agent carcass and the falling speed of diamond match, to guarantee grinding efficiency and effect.
In order to realize above-mentioned another object, the present invention provides the method for the ceramic tile biscuit rubbing down emery wheel manufacturing any of the above-described technical scheme to include preparation process, number of assembling steps and pre-shaping step.Preparation process includes preparing grinding block step, prepares mandrel step and prepares elastic layer step.Number of assembling steps includes: the outer peripheral face of mandrel is carried out blasting treatment；Elastic layer is placed on outside mandrel, and uses epoxy resin by the two fixing connection；Epoxy resin is used to be fixed on the outer peripheral face of elastic layer by described grinding block；Pre-shaping step includes grinding block grinding face carries out finishing rounding.
In order to realize above-mentioned another object, ceramic tile biscuit polishing and grinding apparatus provided by the invention includes frame, power set, transporter and emery wheel.Wherein, emery wheel is the ceramic tile biscuit rubbing down emery wheel described by any of the above-described technical scheme.
In order to realize above-mentioned a further object, ceramic tile biscuit rubbing down method provided by the invention includes rough grinding step, middle mill step and precision grinding step.Rough grinding step includes adopting the metallic bond class ceramic tile biscuit rubbing down emery wheel described by said one preferred version that the surface of ceramic tile biscuit is roughly ground；Owing to the relative stock removal of metallic bond class emery wheel is big, it is mainly used in removing the protruding point of ceramic tile biscuit.Middle mill step includes adopting the vitrified bond class ceramic tile biscuit rubbing down emery wheel described by another preferred version above-mentioned that the surface of the ceramic tile biscuit after corase grind is carried out middle mill；Owing to the relative stock removal of vitrified bond class emery wheel is little, for the polishing scratch that the remaining raised points of grinding and removal metallic bond class wheel grinding stay.Precision grinding step include adopting above-mentioned another preferred resinoid bond class ceramic tile biscuit rubbing down emery wheel described by scheme to through in the surface of ceramic tile biscuit after mill refine；Owing to the stock removal of resinoid bond class emery wheel is applicable to fine grinding, it is applied not only to the polishing scratch that grinding vitrified bond class wheel grinding stays, and the roughness on ceramic tile biscuit surface can be reduced to corresponding requirements.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of existing a kind of ceramic tile biscuit rubbing down emery wheel；
Fig. 2 is the axonometric chart of ceramic tile biscuit rubbing down emery wheel first embodiment of the present invention；
Fig. 3 is the axial end view of ceramic tile biscuit rubbing down emery wheel first embodiment of the present invention；
Fig. 4 be in Fig. 3 A-A to sectional view；
Fig. 5 is the axonometric chart of grinding block in ceramic tile biscuit rubbing down emery wheel first embodiment of the present invention；
Fig. 6 is the expansion schematic diagram in grinding block cross section in the circumferential in ceramic tile biscuit rubbing down emery wheel first embodiment of the present invention；
Fig. 7 is the front view of ceramic tile biscuit rubbing down emery wheel first embodiment of the present invention；
Fig. 8 is the expansion schematic diagram of the ordered state of grinding block in ceramic tile biscuit rubbing down emery wheel first embodiment of the present invention；
Fig. 9 is the method flow diagram manufacturing ceramic tile biscuit rubbing down emery wheel first embodiment of the present invention；
Figure 10 is the expansion schematic diagram of the ordered state of grinding block in ceramic tile biscuit rubbing down emery wheel the second embodiment of the present invention；
Figure 11 is the expansion schematic diagram of the first ordered state of grinding block in ceramic tile biscuit rubbing down emery wheel the 3rd embodiment of the present invention；
Figure 12 is the expansion schematic diagram of the second ordered state of grinding block in ceramic tile biscuit rubbing down emery wheel the 3rd embodiment of the present invention；
Figure 13 is the expansion schematic diagram of the third ordered state of grinding block in ceramic tile biscuit rubbing down emery wheel the 3rd embodiment of the present invention；
Figure 14 is the axonometric chart of tubular elastic layer and grinding layer in ceramic tile biscuit rubbing down emery wheel the 4th embodiment of the present invention；
Figure 15 is the flow chart of ceramic tile biscuit rubbing down embodiment of the method for the present invention.
Below in conjunction with embodiment and accompanying drawing thereof, the invention will be further described.
Detailed description of the invention
The structure of ceramic tile biscuit polishing and grinding apparatus medium plain emery wheel is mainly improved by the present invention, and to reduce leakage throwing rate, other part-structures of ceramic tile biscuit polishing and grinding apparatus can be designed according to existing product completely.Additionally, the core shaft structure of ceramic tile biscuit rubbing down emery wheel is carry out adaptability design according to polishing and grinding apparatus rack construction, it is not limited to following embodiment.
Ceramic tile biscuit rubbing down emery wheel first embodiment
Referring to Fig. 2 to Fig. 4, ceramic tile biscuit rubbing down emery wheel 1 is made up of mandrel 11, tubular elastic layer 12 and grinding layer 13, the grinding block row that grinding layer 13 is arranged along rotation axis 02 direction being parallel to ceramic tile biscuit rubbing down emery wheel 1 by multiple row form, rotation axis 02 rotate in the course of the work for ceramic tile biscuit rubbing down emery wheel 1 around axis, grinding block arranges and is made up of more than 2 grinding blocks 130 being fixed on tubular elastic layer 12 outer peripheral face, and namely tubular elastic layer 12 is fixed between mandrel 11 and grinding layer 13.
Referring to Fig. 5, grinding block 130 is prism structure, and it is being perpendicular to mandrel 11 direction cross section radially, and namely the developed surface in the cross section in ceramic tile biscuit rubbing down emery wheel 1 circumference is rhombus as shown in Figure 6, the long b of long-diagonal of this rhombus is 17 millimeters, and the long a of short diagonal is 10 millimeters.The thickness of prism structure is 5 millimeters, is namely radially of a size of 5 millimeters along mandrel 11.4 corner angle 1304 of grinding block 130 are carried out chamfered, in case occurring collapsing limit problem in grinding process.
Referring to Fig. 7 and Fig. 8, two pieces of adjacent grinding block intervals are arranged, therebetween gap constitutes interval trough, such as the gap 1300 between grinding block 1301 and grinding block 1302 constitutes interval trough therebetween, for in grinding process as chip area and cooling bath, to improve the contact area of grinding layer unit volume and cooling air-flow, it is effectively improved air cooling effect.
Referring to Fig. 9, manufacture the method for ceramic tile biscuit rubbing down emery wheel 1 by preparing grinding block step S11, prepare mandrel step S12, prepare tubular elastic layer step S13, number of assembling steps S14 and pre-shaping step S15 and constitute.
In the present embodiment, grinding block 130 is vitrified bond grinding block.Prepare grinding block step S11 to be made up of blend step, sifting step, pressing step and sintering step.
Blend step: specification and parts by weight according to the form below 1 weigh diamond, Diamond Ceramics bonding agent, Ti3AlC2, zirconium oxide and temporary adhesive put in three-dimensional material mixer and mix 3 hours-4 hours.Diamond Ceramics bonding agent is the Diamond Ceramics bonding agent disclosed in patent documentation adopting publication number to be CN103624696A.
Sifting step: mixed raw material is crossed the sieve of 60 orders, to sift out batch mixing ball from the raw material after mix homogeneously.
Pressing step: the raw material after sieving is put into and is pressed into the briquet that density is 2.3 grams every cubic centimetre-2.35 grams every cubic centimetre in compacting tool set, and the demoulding.
Sintering step: being put into by the grinding block suppressed in sintering furnace and sinter, sintering temperature is 780 degrees Celsius-830 degrees Celsius, is incubated 2 hours, and the briquet after sintering is with sintering furnace natural cooling.
Table 1 component and content
Adopting the grinding block that this raw material and method are prepared is consolidation class grinding tool, and it comprises the abrasive grain layer of multilamellar, has self-sharpening energy, and service life can be designed to long.
Prepare mandrel step S12: adopt aluminum profile extrusion to go out the mandrel 11 of tubulose by designing requirement.
Preparing tubular elastic layer step S13: by designing requirement, adopt elastomeric material to make tubular elastic layer 12, its hardness selects according to actual grinding situation, is usually chosen to less than or equal to 25HA, elects 25HA in the present embodiment as.The thickness of tubular elastic layer 12 is designed according to grinding object, self hardness and actual service conditions.
Number of assembling steps S14: the outer peripheral face of mandrel 11 is carried out blasting treatment, to improve the bonding firmness between its with tubular elastic layer 12；Tubular elastic layer 12 is placed on outside mandrel 11, and adopt epoxy resin by bonding with tubular elastic layer 12 for mandrel 11 firmly；After the epoxy resin cure between mandrel 11 and tubular elastic layer 12, the surface of tubular elastic layer 12 is drawn point and determines the fixed position of each grinding block 130, make the long-diagonal in grinding block 130 cross section after bonding arrange along the direction of rotation axis 02, then adopt epoxy resin that grinding block 130 is bonded to corresponding position.Spacing between adjacent two grinding blocks 130, namely the width of interval trough need to be designed according to tubular elastic layer 12 hardness, grinding object and actual service conditions.
Pre-shaping step S15: after all epoxy resin complete to solidify, the outer peripheral face of ceramic tile biscuit rubbing down emery wheel 1 is carried out finishing rounding and obtains its grinding face, namely the grinding face of grinding block is carried out finishing rounding, and it is carried out dynamic balancing measurement.
The outer surface of the grinding block 130 after being trimmed, namely its grinding face is arcwall face, the grinding face making all grinding blocks 130 is respectively positioned in same straight cylindrical surfaces, namely the enveloping surface of all arcwall faces is this straight cylindrical surfaces, its bus is parallel and cross the straight line of any on the grinding face of grinding block 130 with rotation axis 02, its directrix is that the circle of any on the grinding face of grinding block 130 and is crossed on rotation axis 02 in the center of circle, and rotation axis 02 constitutes the central axis of this straight cylindrical surfaces.
Referring to Fig. 7 and Fig. 8, on the developed surface of straight cylindrical surfaces, in the circumference 04 of ceramic tile biscuit rubbing down emery wheel 1, the projection on the bus of this straight cylindrical surfaces of the grinding face of grinding block in upstream is completely covered adjacent and that gap between two pieces of grinding block grinding faces in downstream is on this bus projection, such as, it is positioned at the projection on the bus 05 of this straight cylindrical surfaces of the grinding face of grinding block 1301 of upstream and adjacent and that be positioned at downstream two piece grinding blocks 1302 are completely covered, the projection on bus 05 of the gap 1300 between the grinding face of 1303, Lou throwing rate can be effectively reduced.
Ceramic tile biscuit rubbing down emery wheel the second embodiment
As the explanation to ceramic tile biscuit rubbing down emery wheel the second embodiment of the present invention, only the difference with ceramic tile biscuit rubbing down emery wheel first embodiment is illustrated below.
On the developed surface of straight cylindrical surfaces, along the direction of rotation axis being parallel to ceramic tile biscuit rubbing down emery wheel, the projection in the directrix of straight cylindrical surfaces of the grinding face of the grinding block in upstream is completely covered adjacent and that gap between two pieces of grinding block grinding faces in downstream is in this directrix projection.
Such as, as shown in Figure 10, along being parallel to the direction 03 of rotation axis, in the grinding block 2301 grinding face of upstream, the projection in the directrix 06 of straight cylindrical surfaces is completely covered adjacent and that gap 2300 between the grinding face of two pieces of grinding blocks 2302,2303 in downstream is in directrix 06 projection.
It is thereby advantageously ensured that be parallel to the grinding line arranged in rotation axis direction and the grinding line upwards arranged along revolution all can contact with grinding block, namely it is absent from blank grinding line.
Ceramic tile biscuit rubbing down emery wheel the 3rd embodiment
As the explanation to ceramic tile biscuit rubbing down emery wheel the 3rd embodiment of the present invention, below enter the difference to ceramic tile biscuit rubbing down emery wheel first embodiment and illustrate.
The grinding block that grinding block alternate cross-section is rhombus adopting cross section to be rectangle, namely grinding block is rectangle at the developed surface of ceramic tile biscuit rubbing down emery wheel circumference upper section, wherein, the direction 3 of the rotation axis that an edge of this rectangle is parallel to ceramic tile biscuit polish-grinding grinding wheel is arranged.
Referring to Figure 11, in same grinding block arranges, grinding block is classified as and is made up of more than the two pieces grinding blocks arranged along direction 03, the adjacent spacing between two pieces of grinding blocks is equal to grinding block size on direction 03, such as, the spacing between grinding block 3302 and grinding block 3303 is equal to the 1/1 of the grinding block 3302 dimensions length on direction 03.
In the circumference 04 along ceramic tile biscuit rubbing down emery wheel, a side end face of grinding block in upstream is coplanar with adjacent and interval trough between two grinding blocks in downstream a sidewall, such as, the right side wall of the interval trough 3304 between the right flank of grinding block 3301 and grinding block 3302 and grinding block 3303 is coplanar.
And can obtaining, when the positive integer times that quantity is 2 of the grinding block row arranged along direction 03, the length summation in the grinding face of the grinding block striden across along any one grinding line 07 rotated in circumference 04 is equal.
Referring to Figure 12, in same grinding block arranges, the adjacent spacing between two pieces of grinding blocks is equal to the 1/2 of grinding block size on direction 03, and such as, the spacing between grinding block 4302 and grinding block 4303 is equal to the 1/2 of the grinding block 4302 dimensions length on direction 03.
In the circumference 04 along ceramic tile biscuit rubbing down emery wheel, one side end face of the grinding block in upstream is coplanar with adjacent and interval trough between two grinding blocks in downstream a sidewall, such as, the right side wall of the interval trough 4304 between right flank and grinding block 4302 and the grinding block 4303 of grinding block 4301 is coplanar.
And can obtaining, when the positive integer several times that quantity is 3 of grinding block row, the length summation in the grinding block grinding face striden across along any one grinding line 08 rotated in circumference 04 is equal.
Referring to Figure 13, in same grinding block arranges, the adjacent spacing between two pieces of grinding blocks is equal to grinding block size 1/3 on direction 03, and such as, the spacing between grinding block 5302 and grinding block 5303 is equal to the grinding block 5302 dimensions length 1/3 on direction 03.
In the circumference 04 along ceramic tile biscuit rubbing down emery wheel, one side end face of the grinding block in upstream is coplanar with adjacent and interval trough between two grinding blocks in downstream a sidewall, such as, the right side wall of the interval trough 5304 between right flank and grinding block 5302 and the grinding block 5301 of grinding block 5301 is coplanar.
And can obtaining, when the positive integer times that quantity is 4 of grinding block row, the length summation in the grinding block grinding face striden across along any one grinding line 09 rotated in circumference 04 is equal.
To sum up, when meeting three below condition: (1) grinding block is in the positive integer that quantity is (N+1) times of the grinding block row arranged along direction 03, and N is positive integer；(2) in same grinding block arranges, the adjacent spacing between two pieces of grinding blocks is equal to the 1/N of grinding block size on direction 03；(3) in the circumference 04 along ceramic tile biscuit rubbing down emery wheel, a side end face of the grinding block in upstream is coplanar with adjacent and interval trough between two grinding blocks in downstream a sidewall；Then equal in the length summation in the grinding block grinding face striden across along any one grinding line rotated in circumference 04.
Ceramic tile biscuit rubbing down emery wheel the 4th embodiment
As the explanation to ceramic tile biscuit rubbing down emery wheel the 4th embodiment of the present invention, only the difference with ceramic tile biscuit rubbing down emery wheel first embodiment is illustrated below.
Referring to Figure 14, by being formed with the plane 620 that the direction of the axial rotary along its ceramic tile biscuit rubbing down emery wheel is arranged on the outer peripheral face of tubular elastic layer 62, consequently facilitating be fixed on by grinding block 630 on the outer peripheral face that tubular elasticity becomes, namely the cross section of the outer peripheral face of tubular elastic layer 62 is regular polygon.
Ceramic tile biscuit rubbing down emery wheel the 5th embodiment
As the explanation to ceramic tile biscuit rubbing down emery wheel the 5th embodiment of the present invention, only the difference with ceramic tile biscuit rubbing down emery wheel first embodiment is illustrated below.
Outer surface at tubular elastic layer is formed with the groove matched with grinding block, it is simple to grinding block is positioned with fixing, and fixes more firm.
Ceramic tile biscuit rubbing down emery wheel sixth embodiment
As the explanation to ceramic tile biscuit rubbing down emery wheel sixth embodiment of the present invention, only the difference with ceramic tile biscuit rubbing down emery wheel first embodiment is illustrated below.
Adopting metallic bond grinding block to substitute above-mentioned vitrified bond grinding block, the step preparing this metallic bond grinding block is made up of with cooling step blend step, hot pressed sintering step.
Blend step: specification according to the form below 2 and parts by weight weigh diamond, copper powder, copper cerium alloy powder, iron powder, glass putty, molybdenum disulphide powder, ferroso-ferric oxide powder and graphite powder and put into and mix 4 hours-6 hours in three-dimensional material mixer to mix homogeneously.
Hot pressed sintering step: mixed raw material is put into hot pressing die, and put in pressing sintering, pressure level pressure molding with pressing pressure for 300 kilograms per square centimetres-400 kilograms per square centimetres, and within the heating-up time of 5 minutes-7 minutes, it being warming up to the holding temperature of 650 degrees Celsius-700 degrees Celsius, temperature retention time is 4 minutes-6 minutes.
Cooling step, after completing hot pressed sintering step, naturally cools to room temperature the demoulding after taking-up.
Table 2 component and content
The hardness of the metallic bond grinding block prepared is 80HRB-90HRB.
Ceramic tile biscuit rubbing down emery wheel the 7th embodiment
As the explanation to ceramic tile biscuit rubbing down emery wheel the 7th embodiment of the present invention, only the difference with ceramic tile biscuit rubbing down emery wheel first embodiment is illustrated below.
Resinoid bond grinding block is adopted to substitute above-mentioned vitrified bond grinding block.Prepare resinoid bond grinding block step to be made up of blend step, heat-press step, secondary curing schedule and cooling step.
Blend step: specification according to the form below 3 and the ultra-fine phenol-formaldehyde resin powder of parts by weight, zinc oxide, barium sulfate, analytically pure sodium carbonate, analytically pure semi-hydrated gypsum (CaSO4·1/2H2O) powder, analytically pure white carbon (SILICA FUME), butyral (polyvinyl butyral resin), analytically pure zinc stearate, analytically pure zirconium oxide and diamond put in three-dimensional material mixer mix 4 hours-6 hours.
Heat-press step: mixed raw material is loaded in hot pressing die, it is placed in hot press, pressure level pressure molding with pressing pressure for 400 kilograms per square centimetres-500 kilograms per square centimetres, it is incubated 15 minutes-30 minutes with the holding temperatures of 160 degrees Celsius-170 degrees Celsius, aerofluxus 2 times-3 times, each 15 seconds.
Secondary curing schedule: put into by the briquet that direct demold after hot pressing obtains in baking oven and carry out secondary solidification, solidification temperature is 160 degrees Celsius-170 degrees Celsius, and hardening time is 6 hours-8 hours.
Cooling step: the briquet after having solidified naturally cools to room temperature.
Table 3 component and content
The hardness of the resinoid bond grinding block prepared is 60HRB-70HRB.
Ceramic tile biscuit rubbing down emery wheel the 8th embodiment
As the explanation to ceramic tile biscuit rubbing down emery wheel the 8th embodiment of the present invention, only the difference with ceramic tile biscuit rubbing down emery wheel first embodiment is illustrated below.
Grinding block is not prism structure, and its cross section developed surface is still rhombus, and along the direction being radially directed towards mandrel of straight cylindrical surfaces, two cornerwise length of rhombus are all gradually increased, and namely grinding block is along the direction away from mandrel, and the size of cross section developed surface is gradually reduced.
The height of grinding block is 5 millimeters to 8 millimeters.
Being positioned at the length that the length of the long-diagonal of the rhombus at grinding block top is 12 millimeters-16 millimeters and short diagonal is 8 millimeters-10 millimeters, and being positioned at the length that the length of the long-diagonal of the rhombus at bottom place is 15 millimeters-20 millimeters and short diagonal is 8 millimeters-12 millimeters.
Ceramic tile biscuit polishing and grinding apparatus embodiment
Ceramic tile biscuit polishing and grinding apparatus includes frame, controller, power set, transfer device and emery wheel.Wherein, emery wheel adopts ceramic tile biscuit rubbing down emery wheel embodiment, and other part-structures are referred to existing product completely and are designed, and do not repeat them here.
The manufacture method embodiment of ceramic tile biscuit rubbing down emery wheel
The manufacture method of ceramic tile biscuit rubbing down emery wheel illustrates in ceramic tile biscuit rubbing down emery wheel embodiment, does not repeat them here.
Ceramic tile biscuit rubbing down embodiment of the method
Ceramic tile biscuit rubbing down method is made up of rough grinding step S21, middle mill step S22 and precision grinding step S23.
Rough grinding step S21, for adopting metallic bond class ceramic tile biscuit rubbing down emery wheel that the surface of ceramic tile biscuit is roughly ground, to remove the salient point of biscuit surface projection.Such as, ceramic tile biscuit rubbing down emery wheel sixth embodiment is adopted to carry out rubbing down.
Middle mill step S22, for adopting vitrified bond class ceramic tile biscuit rubbing down emery wheel that ceramic tile biscuit surface is carried out middle mill, to remove remaining salient point on the biscuit surface after corase grind, and grinds off the polishing scratch owing to metallic bond class emery wheel rubbing down stays.Such as, ceramic tile biscuit rubbing down emery wheel first embodiment is adopted to carry out rubbing down.
Precision grinding step S23, adopts resinoid bond class ceramic tile biscuit rubbing down emery wheel that the surface of ceramic tile biscuit is refined, with the polishing scratch that stays of grinding abrasive disk in removing and the roughness on biscuit surface is reduced to predetermined target value.Such as, ceramic tile biscuit rubbing down emery wheel the 7th embodiment is adopted to polish.
By three, ceramic tile biscuit being polished, when working (machining) efficiency is constant, when resultant effect reaches the ground effect in abrasive band, whole emery wheel service life was up to 15 days to 20 days.
The main purpose of the present invention is by grinding layer is divided into polylith be provided with the grinding block of interval trough each other, and elastic layer is set between grinding block and mandrel, to reduce leakage throwing rate, according to this design, the structure of elastic layer and material, the structure of mandrel and material, the raw material components of grinding block also has multiple apparent change with component, planform, quantity and arrangement mode.
Claims (10)
1. ceramic tile biscuit rubbing down emery wheel, including mandrel and grinding layer；
It is characterized in that:
Elastic layer, diametrically, described elastic layer is fixed between described mandrel and described grinding layer；
Described grinding layer is made up of grinding block, and the grinding face of described grinding block is arcwall face, and described arcwall face is respectively positioned in same straight cylindrical surfaces；
Two pieces of adjacent described grinding block intervals layouts and the gap between the two constitute interval trough；
On the developed surface of described straight cylindrical surfaces, in circumference, in the grinding face of one piece of grinding block of upstream, the projection on the bus of described straight cylindrical surfaces is completely covered adjacent and that gap between the grinding face of two pieces of grinding blocks in downstream is on described bus projection.
2. ceramic tile biscuit rubbing down emery wheel according to claim 1, it is characterised in that:
The developed surface in the cross section that described grinding block is circumferentially gone up is rhombus, and a diagonal of described rhombus is parallel to the rotation axis of described ceramic tile biscuit rubbing down emery wheel.
3. ceramic tile biscuit rubbing down emery wheel according to claim 1, it is characterised in that:
On the developed surface of described straight cylindrical surfaces, along the direction of rotation axis being parallel to described ceramic tile biscuit rubbing down emery wheel, the projection in the directrix of described straight cylindrical surfaces of the grinding face of one piece of grinding block in upstream is completely covered adjacent and that gap between the grinding face of two pieces of grinding blocks in downstream is in described directrix projection.
4. ceramic tile biscuit rubbing down emery wheel according to claim 1, it is characterised in that:
The developed surface in the cross section that described grinding block is circumferentially gone up is rectangle, and an edge of described rectangle is parallel to the direction of the rotation axis of described ceramic tile biscuit rubbing down emery wheel and arranges；
The positive integer that quantity is N+1 times of the grinding block row arranged along the direction being parallel to described rotation axis, described N is positive integer, and described grinding block arranges and is made up of the grinding block of more than two pieces；
In same grinding block row, the adjacent spacing between two pieces of grinding blocks equal to described rectangle the 1/N of length；
One side end face of the one piece of grinding block being positioned at upstream in circumference is coplanar with the side end wall of interval trough that is adjacent and that be positioned between two pieces of grinding blocks in downstream.
5. ceramic tile biscuit rubbing down emery wheel according to any one of Claims 1-4, it is characterised in that:
Described grinding block is metallic bond grinding block；
By weight, the raw material of described metallic bond grinding block includes the copper powder of 47 parts-60 parts, the copper cerium alloy powder of 10 parts-15 parts, the iron powder of 10 parts-13 parts, the glass putty of 13 parts-16 parts, the molybdenum disulphide powder of 2 parts-5 parts, the ferroso-ferric oxide powder of 2 parts-4 parts, the diamond of the graphite powder of 1 part-2 parts and 2.9 parts-3.2 parts.
6. ceramic tile biscuit rubbing down emery wheel according to any one of Claims 1-4, it is characterised in that:
Described grinding block is vitrified bond grinding block；
Mark by weight, the raw material of described vitrified bond grinding block includes temporary adhesive, the diamond of 100 parts, the vitrified bond of 20 parts-30 parts, the Ti of 1 part-5 parts3AlC2And the zirconium oxide of 1 part-5 parts.
7. ceramic tile biscuit rubbing down emery wheel according to any one of Claims 1-4, it is characterised in that:
Described grinding block is resinoid bond grinding block；
By weight, the raw material of described resinoid bond grinding block includes the phenol-formaldehyde resin powder of 62 parts-66 parts, the zinc oxide of 0 part-8 parts, the barium sulfate of 0 part-5 parts, the sodium carbonate of 0 part-4 parts, the semi-hydrated gypsum powder of 5 parts-9 parts, the white carbon of 3 parts-4 parts, the butyral of 5 parts-10 parts, the zinc stearate of 3 parts-6 parts, the diamond of the zirconium oxide of 0 part-6 parts and 4.5 parts-5.0 parts.
8. the method for ceramic tile biscuit rubbing down emery wheel described in any one of manufacturing claims 1 to 7, including preparation process, number of assembling steps and pre-shaping step；
Described preparation process includes preparing grinding block step, prepares mandrel step and prepares elastic layer step；
It is characterized in that:
Described number of assembling steps includes:
The outer peripheral face of described mandrel is carried out blasting treatment；
Described elastic layer is placed on outside described mandrel, and uses epoxy resin by the two fixing connection；
Epoxy resin is used to be fixed on the outer peripheral face of described elastic layer by described grinding block；
Described pre-shaping step includes the grinding face of described grinding block carries out finishing rounding.
9. ceramic tile biscuit polishing and grinding apparatus, including frame, power set, transporter and emery wheel, it is characterised in that:
Described emery wheel is ceramic tile biscuit rubbing down emery wheel described in any one of claim 1 to 7.
10. ceramic tile biscuit rubbing down method, it is characterised in that including:
Rough grinding step, adopts ceramic tile biscuit rubbing down emery wheel described in claim 5 that the surface of ceramic tile biscuit is roughly ground；
Middle mill step, adopts ceramic tile biscuit rubbing down emery wheel described in claim 6 that the surface of the ceramic tile biscuit after corase grind is carried out middle mill；
Precision grinding step, adopt ceramic tile biscuit rubbing down emery wheel described in claim 7 to through in the surface of ceramic tile biscuit after mill refine.
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| CN201610297420.XA CN105729318A (en) | 2016-05-05 | 2016-05-05 | Grinding wheel for polishing and grinding ceramic tile biscuit, manufacturing method of grinding wheel and polishing and grinding apparatus and polishing and grinding method for ceramic tile biscuit |
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| CN201610297420.XA CN105729318A (en) | 2016-05-05 | 2016-05-05 | Grinding wheel for polishing and grinding ceramic tile biscuit, manufacturing method of grinding wheel and polishing and grinding apparatus and polishing and grinding method for ceramic tile biscuit |
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| CN109048690A (en) * | 2018-07-13 | 2018-12-21 | 江苏金港钻石工具有限公司 | Diamond-impregnated wheel and its manufacturing process |
| CN109648485A (en) * | 2017-12-05 | 2019-04-19 | 长沙理工大学 | A kind of orderly microstructured cvd diamond grinding wheel in surface |
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Application publication date: 20160706 |