CN103611888B - An a kind of mould four goes out the precoated sand modeling of copper valve body moulding - Google Patents
An a kind of mould four goes out the precoated sand modeling of copper valve body moulding Download PDFInfo
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- CN103611888B CN103611888B CN201310587370.5A CN201310587370A CN103611888B CN 103611888 B CN103611888 B CN 103611888B CN 201310587370 A CN201310587370 A CN 201310587370A CN 103611888 B CN103611888 B CN 103611888B
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Abstract
The invention discloses the precoated sand modeling that an a kind of mould four goes out copper valve body moulding, comprise A core (1), B core (2), C core (3), patrix (4), counterdie (5).The present invention adopts and sets up patrix separately four regions, is equipped with A to determine groove, B above determine groove, C is upper determines groove and upper impression in each region; Counterdie is corresponding with patrix, determines groove and lower impressions in each region under being equipped with A under determining groove, B under determining groove, C; Determine groove under determining groove, C under determining groove, B under the support portion of A core, B core, C core is placed in the A of counterdie respectively, patrix is positioned at matched moulds above counterdie; Under the clamping of upper die and lower die, A core, B core, C core are able to groove core location, surrounded the technical scheme of the die cavity of goods by the core part of A core, B core, C core and upper impression, lower impressions, make the production of copper valve body moulding goods reach the object of raising the efficiency, reducing costs, improving quality, reduce overlap, eliminate waste product, alleviate working strength.
Description
Technical field
The present invention relates to a kind of precoated sand modeling, specifically refer to that a kind of mould four for liquid copper alloy cast molding copper valve body moulding goods goes out the precoated sand modeling of copper valve body moulding.
Background technology
The valve body of copper valve is that shape is interlocked the copper cast article of intussusception, complex structure, hollow and thin-walled, produce cast article and need casting model, prior art adopts the wooden model system of turning over, core to fill and sandbox carrying, on sand mold place in flakes, by artificial moulding piecemeal make be used for cast molding cast article, the founding model of chiltern, afterwards, then by the copper alloy of red-hot liquid state pour into condensation to founding model and be shaped to goods; The founding model that sand mold place makes is called sandy ground model; Sandy ground modelling efficiency is low, working strength is large, cost of labor is high, poor by the size accuracy of form and position of the valve body moulding goods of sandy ground model cast molding, overlap is large and many, percent defective is high, and therefore, prior art exists the problems and shortcomings that efficiency is low, cost is high, of poor quality, overlap is large, percent defective is high, working strength is large.
Summary of the invention
For above-mentioned prior art Problems existing with not enough, the present invention adopts the device be made up of the prefabricated A core of precoated sand, B core, C core, upper die and lower die component, wherein A core, B core, C core are respectively equipped with respective support portion and core part, by being divided into four regions all around below patrix, being equipped with in each region and A determining groove, B above determine groove, C is upper determines groove and upper impression; Corresponding with patrix, by being divided into four regions all around above counterdie, under determining groove, C under determining groove, B under being equipped with A in each region, determine groove and lower impressions; Patrix is also provided with main cast gate, point cast gate, runner, rising head, location tenon, and counterdie is also provided with sprue, location tongue-and-groove; During application, by the support portion of A core, B core, C core respectively corresponding be placed in the A of counterdie under determine groove, B under determine groove, C under determine groove, patrix be positioned at above counterdie with counterdie matched moulds, locate tenon and locate tongue-and-groove and fasten and locates; Now, determine A core under common support groove and A determining groove, B determine groove, C determine groove under determining groove, C determine groove, B under A under, B core, C core be able to location and be called that groove core is located, the core part correspondence of A core, B core, C core is accurately positioned between upper impression and lower impressions, and the chamber surrounded by the core part of A core, B core, C core and upper impression and lower impressions forms the die cavity of cast molding goods; During casting, this device level is placed in sandy ground face, presses with weight above patrix, is poured into by the liquid copper alloy of melting by main cast gate, and liquid copper alloy enters through sprue, runner, a point cast gate and fills die cavity, is shaped to goods through condensation; In addition, liquid copper alloy also enters rising head while full die cavity, for providing the technical scheme of truncate in goods condensation forming process, an a kind of mould four is provided to go out the precoated sand modeling of copper valve body moulding, be intended to be gone out by precoated sand splicing prefabricated components, groove core location, a mould four, make the manufacturing of copper valve body moulding goods, reach the object of raising the efficiency, reducing costs, improving quality, reduce overlap, eliminate waste product, alleviate working strength.
The object of the present invention is achieved like this: an a kind of mould four goes out the precoated sand modeling of copper valve body moulding, comprise A core, B core, C core, upper die and lower die, wherein: described A core is the prefabricated film covered sand core component in zigzag bending, the cylindrical middle part of A core cross section is the core part of A core, rectangular two ends of A core cross section are the support portion of A core, wherein, the support portion of A core one end is bent;
Described B core is block prefabricated film covered sand core component, the master of B core is depending on overlooking being, center is provided with rectangular through-hole, leading flank is provided with annular groove, rear side is perpendicular, top and bottom are protrusion arc surface, left and right side is the perpendicular be parallel to each other, the leading flank of B core is the core part of B core, and the central rectangular through hole of B core, top and bottom, trailing flank and left and right side are the support portion of B core;
Described C core is that middle part is little, two ends are large, the prefabricated film covered sand core component in half slit bamboo or chopped wood dumbbell shape, the middle part of C core for flat supine half slit bamboo or chopped wood cylindrical, two ends of C core be concave surface upward and establish the spherical shell shape of half slit bamboo or chopped wood thin-walled jaggy; The middle part of C core is the support portion of C core, and two ends of C core are the core part of C core;
Described patrix is the Thin shell model component overlooking rectangular, prefabricated overlay film chiltern, four regions are divided into by front left, front right, rear left, rear right four orientation below patrix, be equipped with in each region and A determine groove, B above determine groove, C is upper determines groove and upper impression, patrix is also provided with main cast gate, point cast gate, runner, rising head, location tenon, and described A determining groove is the shape face groove that coincide corresponding to the support portion in bent one end of A core; Described B to determine groove be shape face with above the support portion of B core, the corresponding groove coincide of trailing flank and left and right side; Described C determining groove is shape face and the corresponding above identical groove of the support portion of C core; Described upper impression is the shape face groove that coincide corresponding to first slit bamboo or chopped wood outer wall shape face of goods; Described main cast gate be positioned at patrix center, in above-below direction, up-small and down-big conicylindrical passage; Described rising head is be distributed in the rectangular recess of described upper impression towards center one side position below patrix; Described runner is be positioned at below patrix, be distributed in the side, left and right two of described main cast gate, some strip grooves in fore-and-aft direction; Cast gate is divided to communicate with described rising head; Described point of cast gate is be positioned at the gap slot that described upper impression bead communicates with described rising head; Described location tenon is be positioned at four edges, the downward strip flanges protruded below patrix;
Described counterdie is the Thin shell model component overlooking rectangular, prefabricated overlay film chiltern, corresponding with patrix, by being divided into four regions all around above counterdie, determines groove and lower impressions in each region under being equipped with A under determining groove, B under determining groove, C; Counterdie is also provided with sprue, location tongue-and-groove; Determine under determining groove, C under determining groove, B under described A groove, the shape of lower impressions and position with the described A of patrix determines groove, B upper determine groove, C upper determine groove, upper impression the upper and lower mirror image of shape and position corresponding; Described sprue is be positioned at center below counterdie, strip groove in left and right directions; Described location tongue-and-groove be positioned at below counterdie, corresponding, shape and described location tenon coincide the groove matched up and down for the described location tenon of position and patrix;
The position of location is determined to contact in groove in described support portion under referring in A core, B core, C core and determining groove, C under determining on the described A embedding patrix that groove, B above determine groove, C is upper determines groove and determine groove, B under the described A of counterdie, and A core, B core, C core are interconnected the position of location; Described core part refers in A core, B core, C core for surrounding the position of the die cavity of cast molding goods with the described upper impression of upper die and lower die, lower impressions;
Application connects, the support portion of A core, B core, C core respectively corresponding be embedded in the A of counterdie under determine groove, B under determine groove, C under determine in groove, wherein, the support portion in bent one end of described A core with determine under described A that groove is mutually embedding to be connected, the support portion of the A core other end is inserted in the support portion of the central rectangular through hole of described B core and is connected; Patrix be positioned at above counterdie with counterdie matched moulds, the described location tenon of patrix and the described location tongue-and-groove of counterdie fasten locates, the support portion of A core, B core, C core is gripped jointly by upper die and lower die, the core part of A core, B core, C core is between upper impression and lower impressions, and the chamber surrounded by the described lower impressions of the core part of A core, B core, C core and the described upper impression of patrix and counterdie is called die cavity.
The face, direction of structure representation is divided into up, down, left, right, front, rear side, wherein, before be face in the face of apparatus main body, after be and described before relative face.
Operation principle and beneficial effect
During casting, this device level is placed in sandy ground face, the pressure above of patrix is with weight, the liquid copper alloy of melting is poured into by main cast gate, liquid copper alloy branches to through sprue, runner four regions that upper die and lower die set up separately, then is shaped to four goods through dividing a cast gate to enter and fill the described die cavity being arranged in each region respectively through condensation; In addition, liquid copper alloy also enters rising head while full die cavity, and rising head is used for providing truncate in goods condensation forming process.
Due to the support portion of A core, B core, C core under the described A of counterdie, determine groove, B under determine groove, C under determine groove and patrix described A on determine clamping groove, B determining groove, C determine groove under locate, be thus called that groove core is located, because this device is once cast into plastic four goods, be thus called that a mould four goes out, assembling and molding is carried out owing to adopting precoated sand prefabricated components, ensure that the dimensional discrepancy of goods, and improve moulding efficiency, reduce cost of labor, reduce working strength, adopt groove core location, make A core, B core, the core part of C core can accurately correspondence be positioned between upper impression and lower impressions, make A core, B core, the shape position error of the die cavity that the core part of C core and upper impression and lower impressions surround is ensured, ensure that the quality of cast molding goods, eliminate waste product, make the quality of goods simultaneously, overlap can farthest be consistent, a mould four is adopted to go out to improve production efficiency.
Above-mentioned, the present invention adopts the device be made up of the prefabricated A core of precoated sand, B core, C core, upper die and lower die component, wherein A core, B core, C core are respectively equipped with respective support portion and core part, by being divided into four regions all around below patrix, being equipped with in each region and A determining groove, B above determine groove, C is upper determines groove and upper impression, corresponding with patrix, by being divided into four regions all around above counterdie, under determining groove, C under determining groove, B under being equipped with A in each region, determine groove and lower impressions, patrix is also provided with main cast gate, point cast gate, runner, rising head, location tenon, and counterdie is also provided with sprue, location tongue-and-groove, during application, by the support portion of A core, B core, C core respectively corresponding be placed in the A of counterdie under determine groove, B under determine groove, C under determine groove, patrix be positioned at above counterdie with counterdie matched moulds, locate tenon and locate tongue-and-groove and fasten and locates, now, determine A core under common support groove and A determining groove, B determine groove, C determine groove under determining groove, C determine groove, B under A under, B core, C core be able to location and be called that groove core is located, the core part correspondence of A core, B core, C core is accurately positioned between upper impression and lower impressions, and the chamber surrounded by the core part of A core, B core, C core and upper impression and lower impressions forms the die cavity of cast molding goods, during casting, this device level is placed in sandy ground face, presses with weight above patrix, is poured into by the liquid copper alloy of melting by main cast gate, and liquid copper alloy enters through sprue, runner, a point cast gate and fills die cavity, is shaped to goods through condensation, in addition, liquid copper alloy also enters rising head while full die cavity, for providing the technical scheme of truncate in goods condensation forming process, overcoming prior art, to there is efficiency low, cost is high, of poor quality, overlap is large, percent defective is high, the problems and shortcomings that working strength is large, a kind of mould four provided goes out the precoated sand modeling of copper valve body moulding, by precoated sand splicing prefabricated components, groove core is located, one mould four goes out, the manufacturing of copper valve body moulding goods is reached raise the efficiency, reduce costs, improve quality, reduce overlap, eliminate waste product, alleviate the object of working strength.
Accompanying drawing explanation
Fig. 1 is that the master that an a kind of mould four of the present invention goes out the precoated sand modeling of copper valve body moulding cuts open schematic diagram depending on office;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is that a kind of axle of copper valve body moulding goods 01 measures intention;
Fig. 4 is the axle survey decomposing schematic representation that an a kind of mould four of the present invention goes out the precoated sand modeling of copper valve body moulding;
Fig. 5 is the precoated sand modeling that an a kind of mould four of the present invention goes out copper valve body moulding, and the axle of looking up of patrix 4 measures intention;
Fig. 6 is the precoated sand modeling that an a kind of mould four of the present invention goes out copper valve body moulding, and the axle in counterdie 5 after setting-in A core 1, B core 2, C core 3 measures intention.
Below in conjunction with the embodiment in accompanying drawing, the present invention is described in further detail, but should not be construed as any limitation of the invention.
In figure: A core 1, B core 2, C core 3, patrix 4, main cast gate 41, point cast gate 42, runner 43, rising head 44, location tenon 45, A be upper determine groove 46, C upper determine groove 47, upper impression 48, B above determine groove 49, counterdie 5, sprue 51, locate tongue-and-groove 52, A under determine groove 53, B under determine groove 54, C under determine groove 55, lower impressions 56, goods 01, support portion 02, core part 03.
Detailed description of the invention
Consult Fig. 1 ~ Fig. 6, an a kind of mould four of the present invention goes out the precoated sand modeling of copper valve body moulding, comprise A core 1, B core 2, C core 3, patrix 4, counterdie 5, wherein: described A core 1 is the prefabricated film covered sand core component in zigzag bending, the cylindrical middle part of A core 1 cross section is the core part 03 of A core 1, rectangular two ends of A core 1 cross section are the support portion 02 of A core 1, and wherein, the support portion 02 of A core 1 one end is in bent;
Described B core 2 is block prefabricated film covered sand core component, the master of B core 2 is depending on overlooking being, center is provided with rectangular through-hole, leading flank is provided with annular groove, rear side is perpendicular, top and bottom are protrusion arc surface, left and right side is the perpendicular be parallel to each other, the support portion 02 that the leading flank of B core 2 is the central rectangular through hole of core part 03, the B core 2 of B core 2, top and bottom, trailing flank and left and right side are B core 2;
Described C core 3 is that middle part is little, two ends are large, the prefabricated film covered sand core component in half slit bamboo or chopped wood dumbbell shape, the middle part of C core 3 for flat supine half slit bamboo or chopped wood cylindrical, two ends of C core 3 be concave surface upward and establish the spherical shell shape of half slit bamboo or chopped wood thin-walled jaggy; The core part 03 of to be two ends of support portion 02, the C core 3 of C core 3 be the middle part of C core 3 C core 3;
Described patrix 4 is for overlooking the Thin shell model component of rectangular, prefabricated overlay film chiltern, four regions are divided into by front left, front right, rear left, rear right four orientation below patrix 4, be equipped with in each region and A determine groove 46, B above determine groove 49, C is upper determines groove 47 and upper impression 48, patrix 4 is also provided with main cast gate 41, point cast gate 42, runner 43, rising head 44, location tenon 45, described A determines groove 46 for the shape face groove that coincide corresponding to the support portion 02 in bent one end of A core 1; Described B to determine groove 49 be shape face with above the support portion 02 of B core 2, the corresponding groove coincide of trailing flank and left and right side; Described C determining groove 47 is shape face and the corresponding above identical groove of the support portion 02 of C core 3; Described upper impression 48 is the shape face groove that coincide corresponding to first slit bamboo or chopped wood outer wall shape face of goods 01; Described main cast gate 41 for being positioned at patrix 4 center, in above-below direction, up-small and down-big conicylindrical passage; Described rising head 44 is for being distributed in the rectangular recess of described upper impression 48 towards center one side position below patrix 4; Described runner 43 for being positioned at below patrix 4, be distributed in the side, left and right two of described main cast gate 41, some strip grooves in fore-and-aft direction; Cast gate 42 is divided to communicate with described rising head 44; The gap slot that described point of cast gate 42 communicates with described rising head 44 for being positioned at described upper impression 48 bead; Described location tenon 45 is for being positioned at patrix 4 four edges, the downward strip flanges protruded below;
Described counterdie 5 is for overlooking the Thin shell model component of rectangular, prefabricated overlay film chiltern, corresponding with patrix 4, by being divided into four regions all around above counterdie 5, determines groove 55 and lower impressions 56 in each region under being equipped with A under determining groove 53, B under determining groove 54, C; Counterdie 5 is also provided with sprue 51, location tongue-and-groove 52; Determine under determining groove 54, C under determining groove 53, B under described A groove 55, the shape of lower impressions 56 and position with the described A of patrix 4 determines groove 46, B upper determine groove 49, C upper determine groove 47, upper impression 48 the upper and lower mirror image of shape and position corresponding; Described sprue 51 is for being positioned at counterdie 5 center, strip groove in left and right directions below; Described location tongue-and-groove 52 for being positioned at below counterdie 5, position, shape corresponding with the described location tenon about 45 of patrix 4 and described location tenon 45 coincide the groove matched;
The position of location is determined to contact in groove 55 in described support portion 02 under referring in A core 1, B core 2, C core 3 and determining groove 54, C under determining on the described A embedding patrix 4 that groove 46, B above determine groove 49, C is upper determines groove 47 and determine groove 53, B under the described A of counterdie 5, and A core 1, B core 2, C core 3 are interconnected the position of location; Described core part 03 refers in A core 1, B core 2, C core 3 for surrounding the position of the die cavity of cast molding goods 01 with the described upper impression 48 of patrix 4, counterdie 5, lower impressions 56;
Application connects, the support portion 02 of A core 1, B core 2, C core 3 respectively corresponding be embedded in the A of counterdie 5 under determine groove 53, B under determine groove 54, C under determine in groove 55, wherein, the support portion 02 in bent one end of described A core 1 with determine under described A that groove 53 is mutually embedding to be connected, connection in the support portion 02 of the central rectangular through hole of described B core 2 is inserted in the support portion 02 of A core 1 other end; Patrix 4 be positioned at above counterdie 5 with counterdie 5 matched moulds, the described location tenon 45 of patrix 4 fastens with the described location tongue-and-groove 52 of counterdie 5 locates, the support portion 02 of A core 1, B core 2, C core 3 is gripped jointly by patrix 4 and counterdie 5, the core part 03 of A core 1, B core 2, C core 3 is between upper impression 48 and lower impressions 56, and the chamber surrounded by described upper impression 48 and the described lower impressions 56 of counterdie 5 of the core part 03 of A core 1, B core 2, C core 3 and patrix 4 is called die cavity.
The face, direction of structure representation is divided into up, down, left, right, front, rear side, wherein, before be face in the face of apparatus main body, after be and described before relative face.
Operation principle and beneficial effect
During casting, this device level is placed in sandy ground face, the pressure above of patrix 4 is with weight, the liquid copper alloy of melting is poured into by main cast gate 41, liquid copper alloy branches to through sprue 51, runner 43 four regions that patrix 4 and counterdie 5 set up separately, then enters through a point cast gate 42 and fill the described die cavity being arranged in each region and be shaped to four goods 01 respectively through condensation; In addition, liquid copper alloy also enters rising head 44 while full die cavity, and rising head 44 for providing truncate in goods 01 condensation forming process.
Due to the support portion 02 of A core 1, B core 2, C core 3 under the described A of counterdie 5, determine groove 53, B under determine groove 54, C under determine groove 55 and patrix 4 described A on determine clamping groove 46, B determining groove 49, C determine groove 47 under locate, be thus called that groove core is located, because this device is once cast into plastic four goods 01, be thus called that a mould four goes out, assembling and molding is carried out owing to adopting precoated sand prefabricated components, ensure that the dimensional discrepancy of goods 01, and improve moulding efficiency, reduce cost of labor, reduce working strength, adopt groove core location, make A core 1, B core 2, the core part 03 of C core 3 can accurately correspondence be positioned between upper impression 48 and lower impressions 56, make A core 1, B core 2, the shape position error of the die cavity that the core part 03 of C core 3 and upper impression 48 surround with lower impressions 56 is ensured, ensure that the quality of cast molding goods 01, eliminate waste product, make the quality of goods 01 simultaneously, overlap can farthest be consistent, a mould four is adopted to go out to improve production efficiency.
Claims (1)
1. a mould four goes out the precoated sand modeling of copper valve body moulding, comprise A core (1), B core (2), C core (3), patrix (4), counterdie (5), it is characterized in that: described A core (1) is the prefabricated film covered sand core component in zigzag bending, the cylindrical middle part of A core (1) cross section is the core part (03) of A core (1), rectangular two ends of A core (1) cross section are the support portion (02) of A core (1), wherein, the support portion (02) of A core (1) one end is in bent,
Described B core (2) is block prefabricated film covered sand core component, the center of B core (2) is provided with master and looks rectangular through hole, leading flank is provided with annular groove, rear side is perpendicular, top and bottom are for protruding arc surface, left and right side is the perpendicular be parallel to each other, the leading flank of B core (2) is the core part (03) of B core (2), and the central rectangular through hole of B core (2), top and bottom, trailing flank and left and right side are the support portion (02) of B core (2);
Described C core (3) is for middle part is little, two ends are large, prefabricated film covered sand core component in half slit bamboo or chopped wood dumbbell shape, the middle part of C core (3) for flat supine half slit bamboo or chopped wood cylindrical, the two ends of C core (3) be concave surface upward and establish the spherical shell shape of half slit bamboo or chopped wood thin-walled jaggy; The middle part of C core (3) is the support portion (02) of C core (3), and the two ends of C core (3) are the core part (03) of C core (3);
Described patrix (4) is rectangular for overlooking, the Thin shell model component of prefabricated overlay film chiltern, by front left below patrix (4), front right, rear left, rear right four orientation are divided into four regions, be equipped with in each region on A and determine groove (46), B is upper determines groove (49), C is upper determines groove (47) and upper impression (48), patrix (4) is also provided with main cast gate (41), divide cast gate (42), runner (43), rising head (44), location tenon (45), described A determines groove (46) for the shape face groove that coincide corresponding to the support portion (02) in bent one end of A core (1), described B determines groove (49) for shape face with above the support portion (02) of B core (2), trailing flank and left and right side corresponding coincide groove, described C determines groove (47) for shape face and the corresponding groove coincide of the support portion (02) of C core (3) above, the groove that described upper impression (48) is coincide for shape face is corresponding with first slit bamboo or chopped wood outer wall shape face of goods (01), described main cast gate (41) for being positioned at patrix (4) center, in above-below direction, up-small and down-big conicylindrical passage, described rising head (44) is for being distributed in described upper impression (48) place and towards the rectangular recess of side, center below patrix (4), described runner (43) is for being positioned at below patrix (4), being distributed in the side, left and right two of described main cast gate (41), the some strip grooves in fore-and-aft direction, cast gate (42) is divided to communicate with described rising head (44), the gap slot that described point of cast gate (42) communicates with described rising head (44) for the bead being positioned at described upper impression (48), described location tenon (45) is for being positioned at patrix (4) four edges, the downward strip flanges protruded below,
Described counterdie (5) is for overlooking the Thin shell model component of rectangular, prefabricated overlay film chiltern, corresponding with patrix (4), by being divided into four regions all around above counterdie (5), under determining groove (54), C under determining groove (53), B under being equipped with A in each region, determine groove (55) and lower impressions (56); Counterdie (5) is also provided with sprue (51), location tongue-and-groove (52); Determine under determining groove (54), C under determining groove (53), B under described A groove (55), the shape of lower impressions (56) and position with the described A of patrix (4) determines groove (46), B upper determine groove (49), C upper determine groove (47), upper impression (48) the upper and lower mirror image of shape and position corresponding; Described sprue (51) is for being positioned at counterdie (5) center, strip groove in left and right directions below; Described location tongue-and-groove (52) for being positioned at below counterdie (5), described location tenon (45) corresponding, the identical groove matched of shape and described location tenon (45) up and down of position and patrix (4);
Described support portion (02) determines contact the position of locating in groove (55) under referring in A core (1), B core (2), C core (3) and determining groove (54), C under determining on the described A embedding patrix (4) that groove (46), B above determine groove (49), C is upper determines groove (47) and determine groove (53), B under the described A of counterdie (5), and A core (1), B core (2), C core (3) are interconnected the position of location; Described core part (03) refers in A core (1), B core (2), C core (3) for surrounding the position of the die cavity of cast molding goods (01) with the described upper impression (48) of patrix (4), counterdie (5), lower impressions (56);
Wherein: the support portion (02) of A core (1), B core (2), C core (3) respectively correspondence is determined in groove (55) under determining groove (54), C under determining groove (53), B under being embedded in the A of counterdie (5), wherein, the support portion (02) in bent one end of described A core (1) with determine under described A that groove (53) is mutually embedding to be connected, realization connection in the support portion (02) of the central rectangular through hole of described B core (2) is inserted in the support portion (02) of A core (1) other end; Patrix (4) is positioned at counterdie (5) top and counterdie (5) matched moulds, described location tenon (45) of patrix (4) and described location tongue-and-groove (52) of counterdie (5) fasten locates, the support portion (02) of A core (1), B core (2), C core (3) is gripped jointly by patrix (4) and counterdie (5), and the core part (03) of A core (1), B core (2), C core (3) is positioned between upper impression (48) and lower impressions (56).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310587370.5A CN103611888B (en) | 2013-11-14 | 2013-11-14 | An a kind of mould four goes out the precoated sand modeling of copper valve body moulding |
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| CN201310587370.5A CN103611888B (en) | 2013-11-14 | 2013-11-14 | An a kind of mould four goes out the precoated sand modeling of copper valve body moulding |
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| CN103611888B true CN103611888B (en) | 2015-11-25 |
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| CN104128566B (en) * | 2014-08-01 | 2016-08-24 | 浙江振义汽车部件有限公司 | A kind of dead head structure of valve body |
| CN105081277B (en) * | 2015-04-28 | 2018-04-24 | 海门市沪海有色铸造有限公司 | A kind of metal aluminium ring low-pressure casting process |
| CN107661962A (en) * | 2017-10-31 | 2018-02-06 | 广西玉柴机器股份有限公司 | A kind of sand mold localization method and structure |
| CN109940127A (en) * | 2019-04-23 | 2019-06-28 | 远大阀门集团有限公司 | A kind of precoated sand casting technique of cast steel valve |
| CN110181000A (en) * | 2019-05-29 | 2019-08-30 | 共享铸钢有限公司 | Valve body class cast casting die molding method |
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| JPS5328521A (en) * | 1976-08-30 | 1978-03-16 | Hitachi Metals Ltd | Method to cast valve casting |
| JP2007125615A (en) * | 2005-10-04 | 2007-05-24 | Mitsubishi Materials Corp | Mold for precisely casting high melting point metal hollow drum-shaped casting and precise casting method for high melting point metal hollow drum-shaped casting using the mold |
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| JP2010265840A (en) * | 2009-05-15 | 2010-11-25 | Honda Motor Co Ltd | Cylinder head water jacket structure |
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| CN202316919U (en) * | 2011-11-04 | 2012-07-11 | 安徽金达利液压有限公司 | Novel balance valve mould |
| CN102641995A (en) * | 2012-05-02 | 2012-08-22 | 芜湖永诺船用阀门有限责任公司 | Valve casting tool |
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| JPS5328521A (en) * | 1976-08-30 | 1978-03-16 | Hitachi Metals Ltd | Method to cast valve casting |
| JP2007125615A (en) * | 2005-10-04 | 2007-05-24 | Mitsubishi Materials Corp | Mold for precisely casting high melting point metal hollow drum-shaped casting and precise casting method for high melting point metal hollow drum-shaped casting using the mold |
| JP2010265840A (en) * | 2009-05-15 | 2010-11-25 | Honda Motor Co Ltd | Cylinder head water jacket structure |
| CN101890477A (en) * | 2010-07-16 | 2010-11-24 | 吴江市液铸液压件铸造有限公司 | Casting production technology of valve body |
| CN102266909A (en) * | 2011-08-11 | 2011-12-07 | 南通浩鑫液压铸业有限公司 | Clamping casting process of solenoid valves and electrohydraulic valve castings |
| CN202316919U (en) * | 2011-11-04 | 2012-07-11 | 安徽金达利液压有限公司 | Novel balance valve mould |
| CN102641995A (en) * | 2012-05-02 | 2012-08-22 | 芜湖永诺船用阀门有限责任公司 | Valve casting tool |
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| CN103611888A (en) | 2014-03-05 |
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