CN102922435A - Edge-grinding wheel with detachable cutting heads and manufacturing method of edge-grinding wheel - Google Patents
Edge-grinding wheel with detachable cutting heads and manufacturing method of edge-grinding wheel Download PDFInfo
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- CN102922435A CN102922435A CN2012104763243A CN201210476324A CN102922435A CN 102922435 A CN102922435 A CN 102922435A CN 2012104763243 A CN2012104763243 A CN 2012104763243A CN 201210476324 A CN201210476324 A CN 201210476324A CN 102922435 A CN102922435 A CN 102922435A
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Abstract
The invention discloses an edge-grinding wheel with detachable cutting heads. The edge-grinding wheel comprises a base body and cutting heads; a plurality of cutting heads are uniformly arranged on the base body; the cutting head comprises a working layer and a transitional layer; the working layer is fixedly connected with bolts by the transitional layer; a plurality of cutting head locating grooves corresponding to the cutting heads are arranged on the base body; locating holes corresponding to the bolts are arranged into the cutting head locating groove; and screws of the bolts penetrate through the locating holes and are matched with screw caps by screw threads. A manufacturing method for the edge-grinding wheel with the detachable cutting heads comprises a technology for mixing ingredients, the technology for filling dies and sintering and the technology for unloading dies and correcting. The edge-grinding wheel with the detachable cutting heads is easy to manufacture, good in mechanical property, and easy to detach due to adopting a mechanical connecting way, so that production cost of the edge-grinding wheel is saved.
Description
Technical field
The present invention relates to a kind of fragile material machining tool, relate in particular to detachable edging wheel of a kind of cutter head and preparation method thereof, specifically be applicable to dismounting cutter head under the normal temperature condition.
Background technology
Edging wheel is mainly used in granite and waits the hard-brittle material cutting with pottery, polishing and correction at present.Existing edging wheel mostly is greatly welded type edging wheel or integral sintered formula edging wheel, the welded type edging wheel makes the diamond secondary in the cutter head be heated in welding process, make diamond carbonization phenomenon occur, reduce adamantine intensity, thereby greatly reduce adamantine effective rate of utilization.Simultaneously, not only caused the waste of weld tabs, solder flux, electric energy, and increased cost of labor.
China Patent No. is that the patent of invention of ZL200710028022.9 discloses a kind of edging wheel, comprise the diamond segment that is arranged on the metal grinding table, the diamond segment bottom is embedded with metal connecting piece, diamond segment is welded as a whole by metal connecting piece and metal grinding table, the edge of metal grinding table is provided with the assembling step that diamond segment is installed, be provided with the butt-joint groove in the assembling step, diamond segment and metal connecting piece are installed in the assembling step, are connected across on the butt-joint groove.During making, respectively the prescription powder of diamond segment and the metal connecting piece of making are rendered in the mould, compacting prescription powder and metal connecting piece are colded pressing and hot pressing through space, obtain diamond segment and the metal connecting piece of moulding; Process the assembling step of ring-type at metal grinding table; Then the diamond segment after the moulding and metal connecting piece are placed on the assembling step, and with its butt-joint together.Utilize metal connecting piece to shorten the electric welding time although this invention can make, it still has following defective:
1, this invention still needs to fix cutter head on the edging wheel with welding manner, causes cutter head not easy to assemble, simultaneously, repeatedly changes cutter head matrix is heated repeatedly, thereby shortened the service life of matrix, has increased production cost and cost of labor.
2, the metal connecting piece in this invention has stronger heat conductivility, and when the weld metal connector, the high temperature of electric welding will inevitably conduct in cutter head by metal connecting piece, so that the cutter head post bake causes the diamond carbonization in the cutter head.
Summary of the invention
The problem of the objective of the invention is to overcome that the cutter head that exists in the prior art is not easy to assemble, the diamond secondary being heated during the dismounting cutter head provides a kind of cutter head to be easy to dismounting, detachable edging wheel of cutter head that need not to heat during the dismounting cutter head and preparation method thereof.
For realizing above purpose, technical solution of the present invention is:
The detachable edging wheel of a kind of cutter head, comprise matrix and a plurality of cutter head, described cutter head is fixedly connected with matrix by metal connecting piece, described metal connecting piece is bolt, the bottom of described cutter head is embedded with at least two bolts, the spiral shell head of described bolt is embedded in cutter head inside, and the screw rod of bolt is positioned at the head base surface below;
Described matrix comprises pedestal, annular boss and locating hole, the coaxial top that is arranged at pedestal of described annular boss, the diameter of annular boss is less than the diameter of pedestal, the position that is positioned at the annular boss periphery on the pedestal is provided with the locating hole corresponding with bolt, the screw rod of bolt behind locating hole with the nut threaded engagement.
Described cutter head comprises working lining and transition zone, the bottom of described working lining is fixedly connected with the top of transition zone, the bottom of transition zone is embedded with at least two bolts, the thickness of transition zone is greater than the thickness of bolt spiral shell head, the spiral shell head of described bolt is embedded in transition zone inside, and the screw rod of bolt is positioned at below, transition zone bottom surface.
The position that is positioned at the annular boss periphery on the described pedestal is provided with a plurality of cutter head locating slots corresponding with cutter head, is provided with the locating hole corresponding with bolt in this cutter head locating slot.
The bottom of described pedestal is provided with the loading and unloading groove that matches with nut, and the top of described loading and unloading groove communicates with the bottom of locating hole.
The thickness of described working lining is 17 millimeters of 14 –, and the thickness of described transition zone is 5 millimeters of 3 –.
The described preparation method of preparation method of the detachable edging wheel of a kind of cutter head comprises batching hybrid technique, dress mould sintering process, mould unloading correction technique;
A, described batching hybrid technique comprise the batching hybrid technique of working lining and the batching hybrid technique of transition zone;
The batching hybrid technique of described working lining refers to: the making prescription according to working lining takes by weighing the material requested powder first, then put into dry-mixed machine and mix 2 hours to obtain ingredients mixture, add again and account for the diamond of ingredients mixture gross mass 18% – 24% and the atoleine that accounts for ingredients mixture gross mass 0.5% – 1%, continue to mix after 1.5 hours, obtain mixing complete working lining batching;
The batching hybrid technique of described transition zone refers to: the making prescription according to transition zone takes by weighing the material requested powder first, then put into dry-mixed machine and mix 2 hours to obtain mixed-powder, add again the atoleine that accounts for mixed-powder gross mass 0.5% – 1%, continue to mix after 1.5 hours, obtain mixing complete transition zone batching;
B, described dress mould sintering process comprise press setter skill and sintering process;
Described press setter skill refers to: will make first the graphite jig threading of cutter head framed in, again bolt is put into the die cavity hole of graphite jig die cavity bottom, then taking by weighing the complete transition zone batching of mixing pours in the die cavity, with its upper surface of doctor blade, taking by weighing the complete working lining batching of mixing pours in the die cavity again, with its upper surface of doctor blade, and place the graphite seaming chuck that shape matches with die cavity at the top of working lining batching, press setter is planted and is finished;
Described sintering process refers to: will fill first the complete framed sintering furnace of putting into of mould, with time of 1 minute temperature in the sintering furnace is elevated to 500 degrees centigrade again, then make sintering furnace keep 500 degree celsius temperature 1 minute, with time of 2 minutes temperature in the sintering furnace is elevated to 800 degrees centigrade again, then make sintering furnace keep 800 degree celsius temperature 4 minutes, subsequently, sintering process is finished;
C, described mould unloading correction technique refer to: take out first framed that sintering finishes, again at normal temperatures cooling, then the framed and graphite jig of removal, then the cutter head surface that the sintering of polishing is again finished tries to install to cutter head, again according to examination installation situation finishing cutter head, until then installation qualification, will be that the cutter head of installation qualification is installed on the matrix by bolt, can obtain the detachable edging wheel of described cutter head, mould unloading correction technique finishes.
The making prescription of described working lining comprises polishing pottery work layer formula or polishing stone material working lining 3 prescriptions;
Described polishing pottery with composition and the content thereof of work layer formula is: iron copper 30 – FeCu30 powder 25% – 35%, 6 – 6 – 3 tin bronze powder 14% – 18%, and copper 11% – 15%, tin 2% – 4%, zinc 2% – 4%, aluminium 4% – 6%, green silicon carbide 6% – 8%, all the other are iron;
Described polishing stone material with composition and the content thereof of work layer formula is: iron adonic 35% – 45%, and copper 15% – 20%, nickel 3% – 7%, titantium hydride 2% – 4%, ferrophosphorus 2% – 4%, tin 2% – 4%, all the other are iron;
The state that uses of each composition all is powder in the above-mentioned prescription, and wherein, the granularity of green silicon carbide is more than 270 orders, and the granularity of all the other compositions is all more than 300 orders.
Composition and content thereof that described transition zone is made prescription are: iron 65% – 75%, and tin 2% – 4%, nickel 2% – 4%, all the other are copper;
The state that uses of each composition all is powder in the above-mentioned prescription, and the granularity of powder is all more than 300 orders.
Described sintering process carries out in the process, increases pressure so that cutter head structure is tightr for gradually the graphite seaming chuck.
Compared with prior art, beneficial effect of the present invention is:
1, the bottom of the cutter head in detachable edging wheel of a kind of cutter head of the present invention and preparation method thereof is embedded with the spiral shell head of at least two bolts, the mode that the screw rod utilization of bolt is threaded is fixed on the matrix, the fixed form that cutter head is threaded need not welding, avoided cutter head to be subject to the situation that post bake reduces its mechanical performance because of welding, and the bolt mechanical strength is high, it is more quick detachable compared to welding manner to be threaded, and has saved simultaneously the consumption of welding rod, electric energy and cost of labor; In addition, because the dismounting of cutter head need not welding, matrix repeatedly is heated in the time of can be because of the dismounting cutter head and reduces mechanical strength, has prolonged the service life of matrix.Therefore, cutter head easy accessibility, the mechanical strength among the present invention is good, the dismounting cost is low, the matrix long service life.
2, cutter head in detachable edging wheel of a kind of cutter head of the present invention and preparation method thereof comprises working lining and transition zone, the bottom of described working lining is fixedly connected with at least two bolts by transition zone, set up transition zone in the cutter head bottom, because the intensity of transition zone is higher than working lining, transition zone has the effect of reinforcing to cutter head, make the mechanical performance of cutter head better, do not contain in addition diamond in the transition zone, more firm with being connected of bolt behind sintering on the one hand, general cutter head just needs to change when may wear to certain thickness in use on the other hand, at this moment the bottom of cutter head is not used, but the bottom of cutter head is contained the higher diamond of cost equally, cause the waste of material, and increased not diamantiferous transition zone, when strengthening the cutter head mechanical performance, saved cost.Therefore, be connected firmly between the working lining of cutter head, transition zone and the bolt among the present invention, improved the mechanical performance of cutter head behind the increase transition zone, saved simultaneously production cost.
3, be provided with a plurality of cutter head locating slots on the pedestal of the annular boss extension in detachable edging wheel of a kind of cutter head of the present invention and preparation method thereof, the cutter head locating slot matches with cutter head, be provided with the locating hole that matches with the cutter head bottom bolts in the cutter head locating slot, the design of locating slot, locating hole, strictly controlled the position of cutter head, make the fixing more firm of cutter head, when work, be difficult for being offset.Therefore, the fixation of cutter head among the present invention is difficult for skew.
4, cutter head in detachable edging wheel of a kind of cutter head of the present invention and preparation method thereof is made the polishing pottery aluminium that adopts 4% – 6% in the prescription of cutter head, the green silicon carbide of 6% – 8% when making, increased the sharpness of cutter head, guaranteed by the fineness of polishing pottery; Make the polishing stone material with in the prescription of cutter head, because the larger diamond particles of particle diameter is adopted in the stone material polishing, so in prescription, improved the content of ferrous metal, thereby improve working lining to adamantine mechanical adhesion degree, in addition, adopt the nickel of 3% – 7% and the titantium hydride of 2% – 4% in the prescription, strengthen working lining to adamantine hold, adopt tin tin metal when reducing sintering temperature of 2% – 4% to wet diamond in the prescription, make diamond and other metal strong bonded, prolonged the service life of working lining.Therefore, the polishing pottery is high with the cutter head sharpness among the present invention, polishing stone material cutter head long service life.
5, the cutter head in detachable edging wheel of a kind of cutter head of the present invention and preparation method thereof is when making, transition zone is made the mechanical strength that the nickel that adopts 2% – 4% in the prescription has improved transition zone, adopt the tin of 2% – 4%, reduced sintering temperature, simultaneously since in the working lining iron content higher, and the main component of bolt is iron, so the present invention adopts a large amount of iron in transition zone, so that working lining, transition zone and bolt more easy-sintering be integrated, improved the mechanical performance of cutter head.Therefore, the transition zone mechanical strength is high among the present invention, the cutter head good mechanical property.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of cutter head among Fig. 1.
Fig. 3 is the structural representation of matrix among Fig. 1.
Fig. 4 be among Fig. 3 matrix at the cutaway view of A – A direction.
Fig. 5 is the scheme of installation of cutter head locating slot among Fig. 4.
Fig. 6 is structural representation framed among the present invention.
Fig. 7 be among Fig. 6 graphite jig at the cutaway view of B – B direction.
Among the figure: matrix 1, cutter head 2, graphite jig 21, framed 22, die cavity 23, die cavity hole 24, working lining 3, transition zone 4, bolt 5, nut 51, pedestal 6, installing hole 61, annular boss 7, cutter head locating slot 8, locating hole 81, loading and unloading groove 9.
The specific embodiment
The present invention is further detailed explanation below in conjunction with description of drawings and the specific embodiment.
Referring to figure 1 – Fig. 7, the detachable edging wheel of a kind of cutter head, comprise matrix 1 and a plurality of cutter head 2, described cutter head 2 is fixedly connected with matrix 1 by metal connecting piece, described metal connecting piece is bolt 5, the bottom of described cutter head 2 is embedded with at least two bolts 5, and the spiral shell head of described bolt 5 is embedded in cutter head 2 inside, and the screw rod of bolt 5 is positioned at below, cutter head 2 bottom surfaces;
Described matrix 1 comprises pedestal 6, annular boss 7 and locating hole 81, the described annular boss 7 coaxial tops that are arranged at pedestal 6, the diameter of annular boss 7 is less than the diameter of pedestal 6, the position that is positioned at annular boss 7 peripheries on the pedestal 6 is provided with the locating hole 81 corresponding with bolt 5, the screw rod of bolt 5 behind locating hole 81 with nut 51 threaded engagement.
Described cutter head 2 comprises working lining 3 and transition zone 4, the bottom of described working lining 3 is fixedly connected with the top of transition zone 4, the bottom of transition zone 4 is embedded with at least two bolts 5, the thickness of transition zone 4 is greater than the thickness of bolt 5 spiral shell heads, the spiral shell head of described bolt 5 is embedded in transition zone 4 inside, and the screw rod of bolt 5 is positioned at below, transition zone 4 bottom surfaces.
The position that is positioned at annular boss 7 peripheries on the described pedestal 6 is provided with the corresponding cutter head locating slot 8 of a plurality of and cutter head 2, is provided with the locating hole 81 corresponding with bolt 5 in this cutter head locating slot 8.
The bottom of described pedestal 6 is provided with the loading and unloading groove 9 that matches with nut 5, and the top of described loading and unloading groove 9 communicates with the bottom of locating hole 81.
The thickness of described working lining 3 is 17 millimeters of 14 –, and the thickness of described transition zone 4 is 5 millimeters of 3 –.
The preparation method of the detachable edging wheel of a kind of cutter head, described preparation method comprise batching hybrid technique, dress mould sintering process, mould unloading correction technique;
A, described batching hybrid technique comprise the batching hybrid technique of working lining 3 and the batching hybrid technique of transition zone 4;
The batching hybrid technique of described working lining 3 refers to: the making prescription according to working lining 3 takes by weighing the material requested powder first, then put into dry-mixed machine and mix 2 hours to obtain ingredients mixture, add again and account for the diamond of ingredients mixture gross mass 18% – 24% and the atoleine that accounts for ingredients mixture gross mass 0.5% – 1%, continue to mix after 1.5 hours, obtain mixing complete working lining 3 batchings;
The batching hybrid technique of described transition zone 4 refers to: the making prescription according to transition zone 4 takes by weighing the material requested powder first, then put into dry-mixed machine and mix 2 hours to obtain mixed-powder, add again the atoleine that accounts for mixed-powder gross mass 0.5% – 1%, continue to mix after 1.5 hours, obtain mixing complete transition zone 4 batchings;
B, described dress mould sintering process comprise press setter skill and sintering process;
Described press setter skill refers to: the graphite jig 21 that will make first cutter head 2 is put in framed 22, again bolt 5 is put into the die cavity hole 24 of graphite jig 21 die cavitys 23 bottoms, then taking by weighing the complete transition zone of mixing 4 batchings pours in the die cavity 23, with its upper surface of doctor blade, taking by weighing the complete working lining of mixing 3 batchings pours in the die cavity 23 again, with its upper surface of doctor blade, and place the graphite seaming chuck that shape matches with die cavity 23 at the top of working lining 3 batching, press setter is planted and is finished;
Described sintering process refers to: will fill first mould complete framed 22 put sintering furnace into, with time of 1 minute temperature in the sintering furnace is elevated to 500 degrees centigrade again, then make sintering furnace keep 500 degree celsius temperature 1 minute, with time of 2 minutes temperature in the sintering furnace is elevated to 800 degrees centigrade again, then make sintering furnace keep 800 degree celsius temperature 4 minutes, subsequently, sintering process is finished;
C, described mould unloading correction technique refer to: take out first that sintering finishes framed 22, again at normal temperatures cooling, then removal framed 22 and graphite jig 21, then cutter head 2 surfaces that the sintering of polishing is again finished try to install to cutter head 2, again according to examination installation situation finishing cutter head, until then installation qualification, will be that the cutter head 2 of installation qualification is installed on the matrix 1 by bolt 5, can obtain the detachable edging wheel of described cutter head, mould unloading correction technique finishes.
The making prescription of described working lining 3 comprises that the pottery of polishing is filled a prescription with working lining 3 or polishing stone material working lining 3 prescriptions;
Described polishing pottery with composition and the content thereof of working lining 3 prescriptions is: iron copper 30 – FeCu30 powder 25% – 35%, 6 – 6 – 3 tin bronze powder 14% – 18%, and copper 11% – 15%, tin 2% – 4%, zinc 2% – 4%, aluminium 4% – 6%, green silicon carbide 6% – 8%, all the other are iron;
Described polishing stone material with composition and the content thereof of working lining 3 prescriptions is: iron adonic 35% – 45%, and copper 15% – 20%, nickel 3% – 7%, titantium hydride 2% – 4%, ferrophosphorus 2% – 4%, tin 2% – 4%, all the other are iron;
The state that uses of each composition all is powder in the above-mentioned prescription, and wherein, the granularity of green silicon carbide is more than 270 orders, and the granularity of all the other compositions is all more than 300 orders.
Composition and content thereof that described transition zone 4 is made prescription are: iron 65% – 75%, and tin 2% – 4%, nickel 2% – 4%, all the other are copper;
The state that uses of each composition all is powder in the above-mentioned prescription, and the granularity of powder is all more than 300 orders.
Described sintering process carries out in the process, increases pressure so that cutter head 2 structures are tightr for gradually the graphite seaming chuck.
Principle of the present invention is described as follows:
Formula material:
The iron adonic is the iron adonic powder of selling on the market, and its main component is iron and copper, contains a small amount of nickel, tin, and the trace element of minute quantity.
Embodiment 1:
The detachable edging wheel of a kind of cutter head, comprise matrix 1 and a plurality of cutter head 2, cutter head 2 comprises working lining 3 and transition zone 4, the bottom of described working lining 3 is fixedly connected with the top of transition zone 4, the bottom of transition zone 4 is embedded with at least two bolts 5, the thickness of transition zone 4 is greater than the thickness of bolt 5 spiral shell heads, and the spiral shell head of described bolt 5 is embedded in transition zone 4 inside, and the screw rod of bolt 5 is positioned at below, transition zone 4 bottom surfaces; Described matrix 1 comprises pedestal 6, annular boss 7 and locating hole 81, the described annular boss 7 coaxial tops that are arranged at pedestal 6, the diameter of annular boss 7 is less than the diameter of pedestal 6, the position that is positioned at annular boss 7 peripheries on the pedestal 6 is provided with the corresponding cutter head locating slot 8 of a plurality of and cutter head 2, be provided with the locating hole 81 corresponding with bolt 5 in this cutter head locating slot 8, the screw rod of bolt 5 behind locating hole 81 with nut 51 threaded engagement; The bottom of described pedestal 6 is provided with the loading and unloading groove 9 that matches with nut 5, and the top of described loading and unloading groove 9 communicates with the bottom of locating hole 81.
Press such scheme, the preparation method of the detachable edging wheel of a kind of cutter head comprises batching hybrid technique, dress mould sintering process, mould unloading correction technique;
A, described batching hybrid technique comprise the batching hybrid technique of working lining 3 and the batching hybrid technique of transition zone 4;
The batching hybrid technique of described working lining 3 refers to: the making prescription according to working lining 3 takes by weighing the material requested powder first, then put into dry-mixed machine and mix 2 hours to obtain ingredients mixture, add again and account for the diamond of ingredients mixture gross mass 18% – 24% and the atoleine that accounts for ingredients mixture gross mass 0.5% – 1%, continue to mix after 1.5 hours, obtain mixing complete working lining 3 batchings;
The batching hybrid technique of described transition zone 4 refers to: the making prescription according to transition zone 4 takes by weighing the material requested powder first, then put into dry-mixed machine and mix 2 hours to obtain mixed-powder, add again the atoleine that accounts for mixed-powder gross mass 0.5% – 1%, continue to mix after 1.5 hours, obtain mixing complete transition zone 4 batchings;
The making prescription of described working lining 3 comprises that the pottery of polishing is filled a prescription with working lining 3 or polishing stone material working lining 3 prescriptions;
Described polishing pottery with composition and the content thereof of working lining 3 prescriptions is: iron copper 30 – FeCu30 powder 25% – 35%, 6 – 6 – 3 tin bronze powder 14% – 18%, and copper 11% – 15%, tin 2% – 4%, zinc 2% – 4%, aluminium 4% – 6%, green silicon carbide 6% – 8%, all the other are iron; Described polishing stone material with composition and the content thereof of working lining 3 prescriptions is: iron adonic 35% – 45%, and copper 15% – 20%, nickel 3% – 7%, titantium hydride 2% – 4%, ferrophosphorus 2% – 4%, tin 2% – 4%, all the other are iron; The state that uses of each composition all is powder in the above-mentioned prescription, and wherein, the granularity of green silicon carbide is more than 270 orders, and the granularity of all the other compositions is all more than 300 orders;
Composition and content thereof that described transition zone 4 is made prescription are: iron 65% – 75%, and tin 2% – 4%, nickel 2% – 4%, all the other are copper; The state that uses of each composition all is powder in the above-mentioned prescription, and the granularity of powder is all more than 300 orders;
B, described dress mould sintering process comprise press setter skill and sintering process;
Described press setter skill refers to: the graphite jig 21 that will make first cutter head 2 is put in framed 22, again bolt 5 is put into the die cavity hole 24 of graphite jig 21 die cavitys 23 bottoms, then taking by weighing the complete transition zone of mixing 4 batchings pours in the die cavity 23, with its upper surface of doctor blade, taking by weighing the complete working lining of mixing 3 batchings pours in the die cavity 23 again, with its upper surface of doctor blade, and place the graphite seaming chuck that shape matches with die cavity 23 at the top of working lining 3 batching, press setter is planted and is finished;
Described sintering process refers to: will fill first mould complete framed 22 put sintering furnace into, with time of 1 minute temperature in the sintering furnace is elevated to 500 degrees centigrade again, then make sintering furnace keep 500 degree celsius temperature 1 minute, with time of 2 minutes temperature in the sintering furnace is elevated to 800 degrees centigrade again, then make sintering furnace keep 800 degree celsius temperature 4 minutes, subsequently, sintering process is finished;
Described sintering process carries out in the process, increases pressure so that cutter head 2 structures are tightr for gradually the graphite seaming chuck;
C, described mould unloading correction technique refer to: take out first that sintering finishes framed 22, again at normal temperatures cooling, then removal framed 22 and graphite jig 21, then cutter head 2 surfaces that the sintering of polishing is again finished try to install to cutter head 2, again according to examination installation situation finishing cutter head, until then installation qualification, will be that the cutter head 2 of installation qualification is installed on the matrix 1 by bolt 5, can obtain the detachable edging wheel of described cutter head, mould unloading correction technique finishes.
Claims (9)
1. the detachable edging wheel of cutter head comprises matrix (1) and a plurality of cutter head (2), and described cutter head (2) is fixedly connected with matrix (1) by metal connecting piece, it is characterized in that:
Described metal connecting piece is bolt (5), and the bottom of described cutter head (2) is embedded with at least two bolts (5), and the spiral shell head of described bolt (5) is embedded in cutter head (2) inside, and the screw rod of bolt (5) is positioned at below, cutter head (2) bottom surface;
Described matrix (1) comprises pedestal (6), annular boss (7) and locating hole (81), the coaxial top that is arranged at pedestal (6) of described annular boss (7), the diameter of annular boss (7) is less than the diameter of pedestal (6), be positioned at the peripheral position of annular boss (7) on the pedestal (6) and be provided with the locating hole (81) corresponding with bolt (5), the screw rod of bolt (5) is through locating hole (81) after and nut (51) threaded engagement.
2. the detachable edging wheel of a kind of cutter head according to claim 1, it is characterized in that: described cutter head (2) comprises working lining (3) and transition zone (4), the bottom of described working lining (3) is fixedly connected with the top of transition zone (4), the bottom of transition zone (4) is embedded with at least two bolts (5), the thickness of transition zone (4) is greater than the thickness of bolt (5) spiral shell head, the spiral shell head of described bolt (5) is embedded in transition zone (4) inside, and the screw rod of bolt (5) is positioned at below, transition zone (4) bottom surface.
3. the detachable edging wheel of a kind of cutter head according to claim 1 and 2, it is characterized in that: be positioned at the peripheral position of annular boss (7) on the described pedestal (6) and be provided with a plurality of cutter head locating slots (8) corresponding with cutter head (2), be provided with the locating hole (81) corresponding with bolt (5) in this cutter head locating slot (8).
4. the detachable edging wheel of a kind of cutter head according to claim 1 and 2, it is characterized in that: the bottom of described pedestal (6) is provided with the loading and unloading groove (9) that matches with nut (5), and the top of described loading and unloading groove (9) communicates with the bottom of locating hole (81).
5. the detachable edging wheel of a kind of cutter head according to claim 1 and 2, it is characterized in that: the thickness of described working lining (3) is 17 millimeters of 14 –, the thickness of described transition zone (4) is 5 millimeters of 3 –.
6. the preparation method of a claim 1 or the detachable edging wheel of 2 described cutter heads, it is characterized in that: described preparation method comprises batching hybrid technique, dress mould sintering process, mould unloading correction technique;
A, described batching hybrid technique comprise the batching hybrid technique of working lining (3) and the batching hybrid technique of transition zone (4);
The batching hybrid technique of described working lining (3) refers to: the making prescription according to working lining (3) takes by weighing the material requested powder first, then put into dry-mixed machine and mix 2 hours to obtain ingredients mixture, add again and account for the diamond of ingredients mixture gross mass 18% – 24% and the atoleine that accounts for ingredients mixture gross mass 0.5% – 1%, continue to mix after 1.5 hours, obtain mixing complete working lining (3) batching;
The batching hybrid technique of described transition zone (4) refers to: the making prescription according to transition zone (4) takes by weighing the material requested powder first, then put into dry-mixed machine and mix 2 hours to obtain mixed-powder, add again the atoleine that accounts for mixed-powder gross mass 0.5% – 1%, continue to mix after 1.5 hours, obtain mixing complete transition zone (4) batching;
B, described dress mould sintering process comprise press setter skill and sintering process;
Described press setter skill refers to: the graphite jig (21) that will make first cutter head (2) is put in framed (22), again bolt (5) is put into the die cavity hole (24) of graphite jig (21) die cavity (23) bottom, then taking by weighing complete transition zone (4) batching of mixing pours in the die cavity (23), with its upper surface of doctor blade, taking by weighing complete working lining (3) batching of mixing pours in the die cavity (23) again, with its upper surface of doctor blade, and place the graphite seaming chuck that shape matches with die cavity (23) at the top of working lining (3) batching, press setter is planted and is finished;
Described sintering process refers to: will fill first mould complete framed (22) and put sintering furnace into, with time of 1 minute temperature in the sintering furnace is elevated to 500 degrees centigrade again, then make sintering furnace keep 500 degree celsius temperature 1 minute, with time of 2 minutes temperature in the sintering furnace is elevated to 800 degrees centigrade again, then make sintering furnace keep 800 degree celsius temperature 4 minutes, subsequently, sintering process is finished;
C, described mould unloading correction technique refer to: take out first framed (22) that sintering is finished, again at normal temperatures cooling, then removal framed (22) and graphite jig (21), cutter head (2) surface that the sintering of polishing is again finished, then cutter head (2) is tried to install, again according to examination installation situation finishing cutter head, until installation qualification, then, the cutter head (2) that will be installation qualification is installed on the matrix (1) by bolt (5), can obtain the detachable edging wheel of described cutter head, mould unloading correction technique finishes.
7. the preparation method of the detachable edging wheel of a kind of cutter head according to claim 6 is characterized in that:
The making prescription of described working lining (3) comprises that the pottery of polishing is filled a prescription with working lining (3) or polishing stone material working lining (3) prescription;
Described polishing pottery with composition and the content thereof of working lining (3) prescription is: iron copper 30 – FeCu30 powder 25% – 35%, 6 – 6 – 3 tin bronze powder 14% – 18%, copper 11% – 15%, tin 2% – 4%, zinc 2% – 4%, aluminium 4% – 6%, green silicon carbide 6% – 8%, all the other are iron;
Described polishing stone material with composition and the content thereof of working lining (3) prescription is: iron adonic 35% – 45%, and copper 15% – 20%, nickel 3% – 7%, titantium hydride 2% – 4%, ferrophosphorus 2% – 4%, tin 2% – 4%, all the other are iron;
The state that uses of each composition all is powder in the above-mentioned prescription, and wherein, the granularity of green silicon carbide is more than 270 orders, and the granularity of all the other compositions is all more than 300 orders.
8. the preparation method of the detachable edging wheel of a kind of cutter head according to claim 6 is characterized in that:
Composition and content thereof that described transition zone (4) is made prescription are: iron 65% – 75%, and tin 2% – 4%, nickel 2% – 4%, all the other are copper;
The state that uses of each composition all is powder in the above-mentioned prescription, and the granularity of powder is all more than 300 orders.
9. the preparation method of the detachable edging wheel of a kind of cutter head according to claim 6, it is characterized in that: described sintering process carries out in the process, increases pressure so that cutter head (2) structure is tightr for gradually the graphite seaming chuck.
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| CN104162848A (en) * | 2014-08-07 | 2014-11-26 | 王强 | Metallic bond grinding wheel for grinding ceramic tile arc chamfers and manufacturing process of metallic bond grinding wheel |
| CN105643479A (en) * | 2015-12-30 | 2016-06-08 | 佛山市鼎顺科技有限公司 | Dry-type chamfering wheel and manufacturing method thereof |
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| CN109822465A (en) * | 2019-03-14 | 2019-05-31 | 泉州众志金刚石工具有限公司 | A kind of tile edge Metal Substrate emery wheel material |
| CN113103159A (en) * | 2021-03-31 | 2021-07-13 | 珠海市世创金刚石工具制造有限公司 | Grinding wheel for machining hard materials and preparation method thereof |
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