CN103611888A - Precoated sand casting mold for manufacturing four copper valve body casting pieces by one mold - Google Patents
Precoated sand casting mold for manufacturing four copper valve body casting pieces by one mold Download PDFInfo
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- CN103611888A CN103611888A CN201310587370.5A CN201310587370A CN103611888A CN 103611888 A CN103611888 A CN 103611888A CN 201310587370 A CN201310587370 A CN 201310587370A CN 103611888 A CN103611888 A CN 103611888A
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Abstract
The invention discloses a precoated sand casting mold for manufacturing four copper valve body casting pieces by one mold. The precoated sand casting mold comprises a sand core A (1), a sand core B (2), a sand core C (3), an upper mold (4) and a lower mold (5). According to the technical scheme adopted by the invention, the upper mold is separately provided with four areas which are respectively and internally provided with an upper fixed groove A, an upper fixed groove B, an upper fixed groove C and an upper cavity; corresponding to the upper mold, the lower mold is separately provided with four areas which are respectively and internally provided with a lower fixed groove A, a lower fixed groove B, a lower fixed groove C and a lower cavity; the supporting parts of the sand core A, the sand core B and the sand core C are arranged in the lower fixed groove A, the lower fixed groove B and the lower fixed groove C of the lower mold, respectively; the upper mold is positioned above the lower mold for assembly; under the clamping of the upper mold and the lower mold, the sand core A, the sand core B and the sand core C are positioned by groove cores; the core parts of the sand core A, the sand core B and the sand core C, the upper cavity and the lower cavity define a mold cavity of a product. The precoated sand casting mold disclosed by the invention has the advantages that in production of the copper valve body casting piece products, the purposes of improving the efficiency, reducing the cost, improving the quality, reducing trimmings, eliminating waste products and reducing the working intensity are achieved.
Description
Technical field
The present invention relates to a kind of precoated sand modeling, specifically refer to the precoated sand modeling that a kind of mould four for the copper valve body moulding goods of liquid copper alloy cast molding goes out copper valve body moulding.
Background technology
The valve body of copper valve is the staggered intussusception of shape, complex structure, the copper foundry goods goods of hollow and thin-walled, produce foundry goods goods 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, made for cast molding foundry goods founding models goods, chiltern, pour into condensation in founding model and be shaped to goods afterwards, then by the copper alloy of red-hot liquid state; The founding model of making on sand mold place is called sandy ground model; Sandy ground modelling efficiency is low, working strength is large, cost of labor is high, the size accuracy of form and position by the valve body moulding goods of sandy ground model cast molding is poor, 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
The problems and shortcomings that exist for above-mentioned prior art, the present invention adopts the device consisting of the prefabricated A core of precoated sand, B core, C core, upper die and lower die member, wherein A core, B core, C core are respectively equipped with support portion and core part separately, patrix below by being divided into four regions all around, in each region, be equipped with that A is upper determines that groove, B are upper determines that groove, C are upper determines groove and upper impression; Corresponding with patrix, counterdie above by being divided into four regions all around, in each region, be equipped with and under A, determine to determine under groove, B to determine under groove, C groove and lower impressions; Patrix is also provided with main cast gate, minute cast gate, runner, rising head, location tenon, and counterdie is also provided with sprue, location tongue-and-groove; During application, the support portion of A core, B core, C core determine determine determine groove under groove, C under groove, B under the corresponding A that is placed in counterdie respectively, patrix is positioned at counterdie top and counterdie matched moulds, location tenon with locate tongue-and-groove fastening and locate; Now, under A, determine to determine under groove, B to determine under groove, C to determine on groove and A to determine on groove, B to determine on groove, C A core, B core under the common support of groove, C core is located is called groove core location, the core part correspondence of A core, B core, C core is accurately positioned between upper impression and lower impressions, and the chamber being 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, above patrix, presses with weight, and the liquid copper alloy of melting is poured into by main cast gate, and liquid copper alloy enters and fill die cavity through sprue, runner, a minute cast gate, through condensation, is shaped to goods; In addition, liquid copper alloy also enters rising head in full die cavity, for the technical scheme of truncate is provided in goods condensation forming process, provide an a kind of mould four to go out the precoated sand modeling of copper valve body moulding, be intended to go out by precoated sand splicing prefabricated components, groove core location, a mould four, make the manufacturing of copper valve body moulding goods, reach and raise the efficiency, reduce costs, improve quality, reduce overlap, eliminate waste product, alleviate the object of 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 member that is zigzag bending, the cylindrical middle part of A core cross section is the core part of A core, two rectangular 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 member, the master of B core is depending on being with overlooking, center is provided with rectangular through-hole, leading flank to be provided with annular groove, rear side is perpendicular, top and bottom as protruding arc surface, left and right side is the perpendicular being parallel to each other, the leading flank of B core is the core part of B core, and center rectangular through-hole, top and bottom, trailing flank and the left and right side of B core is the support portion of B core;
Described C core is that middle part is little, two ends are large, is the prefabricated film covered sand core member of 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 member of overlooking rectangular, prefabricated overlay film chiltern, below patrix, by front left, front right, rear left, four orientation of rear right, be divided into four regions, in each region, be equipped with that A is upper determines that groove, B are upper determines that groove, C are upper determines groove and upper impression, patrix is also provided with main cast gate, minute cast gate, runner, rising head, location tenon, and described A is upper, and to determine groove be shape face and the corresponding identical groove in the support portion that is bent one end of A core; Described B is upper to determine groove be shape face with above the support portion of B core, the corresponding identical groove of trailing flank and left and right side; Described C is upper, and to determine groove be shape face and corresponding identical groove above the support portion of C core; Described upper impression is shape face and the corresponding identical groove of first slit bamboo or chopped wood outer wall shape face of goods; Described main cast gate be positioned at patrix center, be above-below direction, up-small and down-big conicylindrical passage; Described rising head is the rectangular recess that is distributed in described upper impression center one side position below patrix; Described runner be positioned at below patrix, be distributed in described main cast gate left and right two sides, be some strip grooves of fore-and-aft direction; Divide cast gate to communicate with described rising head; Described minute cast gate is to be positioned at the gap slot that described upper impression bead communicates with described rising head; Described location tenon is the strip flange that is positioned at below patrix four edges, protrudes downwards;
Described counterdie is the Thin shell model member of overlooking rectangular, prefabricated overlay film chiltern, corresponding with patrix, counterdie above by being divided into four regions all around, in each region, be equipped with and under A, determine to determine under groove, B to determine under groove, C groove and lower impressions; Counterdie is also provided with sprue, location tongue-and-groove; Under described A, determine to determine under groove, B to determine under groove, C that the described A of the shape of groove, lower impressions and position and patrix is upper determines groove, B upper to determine the upper upper and lower mirror image of shape and position of determining groove, upper impression of groove, C corresponding; Described sprue is the strip groove that is positioned at center below counterdie, is left and right directions; Described location tongue-and-groove be positioned at counterdie below, upper and lower corresponding, the shape of the described location tenon of position and patrix and the identical groove matching of described location tenon;
Described support portion refers in A core, B core, C core that the described A of patrix is upper determines that groove, B are upper to be determined to determine to determine to determine groove under groove, C under groove, B under the upper described A that determines groove and counterdie of groove, C and contact the position of locating for embedding, and A core, B core, C core interconnect 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 described upper impression, the lower impressions of upper die and lower die;
Application connects, the support portion of A core, B core, C core determines to determine to determine in groove under groove, C under groove, B under the corresponding A that is embedded in counterdie respectively, wherein, the support portion that is bent one end of described A core with under described A, determine the embedding of groove phase and be connected, the support portion of the A core other end is inserted in the support portion of center rectangular through-hole of described B core and is connected; Patrix is positioned at counterdie top and counterdie matched moulds, the described location tongue-and-groove of the described location tenon of patrix and counterdie fastens location, 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 being 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 direction face of structure representation is divided into up, down, left, right, front, rear side, wherein, before in the face of the face of apparatus main body, after be with described before relative face.
Operation principle and beneficial effect
During casting, this device level is placed in sandy ground face, pressing with weight above of patrix, 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 through minute cast gate, enters and fill the described die cavity that is arranged in each region and be shaped to respectively four goods through condensation; In addition, liquid copper alloy also enters rising head in full die cavity, and rising head is for providing truncate in goods condensation forming process.
Because the support portion of A core, B core, C core determines to determine under groove, B to determine under groove, C to determine on the described A of groove and patrix to determine on groove, B to determine on groove, C to locate under the clamping of groove under the described A of counterdie, thereby be called groove core location, because this device is once cast into plastic four goods, thereby be called a mould four and go out, owing to adopting precoated sand prefabricated components to carry out assembling and molding, guaranteed the dimensional discrepancy of goods, and improved moulding efficiency, reduced cost of labor, reduced working strength, adopt groove core location, make A core, B core, the core part of C core accurately correspondence is 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 guaranteed, guaranteed the quality of cast molding goods, eliminated waste product, make the quality of goods simultaneously, overlap can farthest be consistent, adopt a mould four to go out to have improved production efficiency.
Above-mentioned, the present invention adopts the device consisting of the prefabricated A core of precoated sand, B core, C core, upper die and lower die member, wherein A core, B core, C core are respectively equipped with support portion and core part separately, patrix below by being divided into four regions all around, in each region, be equipped with that A is upper determines that groove, B are upper determines that groove, C are upper determines groove and upper impression, corresponding with patrix, counterdie above by being divided into four regions all around, in each region, be equipped with and under A, determine to determine under groove, B to determine under groove, C groove and lower impressions, patrix is also provided with main cast gate, minute cast gate, runner, rising head, location tenon, and counterdie is also provided with sprue, location tongue-and-groove, during application, the support portion of A core, B core, C core determine determine determine groove under groove, C under groove, B under the corresponding A that is placed in counterdie respectively, patrix is positioned at counterdie top and counterdie matched moulds, location tenon with locate tongue-and-groove fastening and locate, now, under A, determine to determine under groove, B to determine under groove, C to determine on groove and A to determine on groove, B to determine on groove, C A core, B core under the common support of groove, C core is located is called groove core location, the core part correspondence of A core, B core, C core is accurately positioned between upper impression and lower impressions, and the chamber being 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, above patrix, presses with weight, and the liquid copper alloy of melting is poured into by main cast gate, and liquid copper alloy enters and fill die cavity through sprue, runner, a minute cast gate, through condensation, is shaped to goods, in addition, liquid copper alloy also enters rising head in full die cavity, for the technical scheme of truncate is provided in goods condensation forming process, having overcome prior art exists efficiency low, cost is high, of poor quality, overlap is large, percent defective is high, the problems and shortcomings that working strength is large, the precoated sand modeling that a kind of mould four providing goes out copper valve body moulding, by precoated sand splicing prefabricated components, groove core location, one mould four goes out, the manufacturing of copper valve body moulding goods has been reached raises 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 of an a kind of mould four of the present invention precoated sand modeling that goes out 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 that the axle of an a kind of mould four of the present invention precoated sand modeling that goes out copper valve body moulding is surveyed decomposing schematic representation;
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, in counterdie 5 setting-in axle after A core 1, B core 2, C core 3 measure 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, minute cast gate 42, runner 43, rising head 44, location tenon 45, A be upper determines that groove 46, C are upper to be determined groove 47, upper impression 48, B and above determine groove 49, counterdie 5, sprue 51, locate and determine to determine under groove 53, B to determine under groove 54, C groove 55, lower impressions 56, goods 01, support portion 02, core part 03 under tongue-and-groove 52, A.
The specific embodiment
Consult Fig. 1～Fig. 6, the precoated sand modeling that an a kind of mould four of the present invention goes out copper valve body moulding, comprise A core 1, B core 2, C core 3, patrix 4, counterdie 5, wherein: described A core 1 is for being the prefabricated film covered sand core member of zigzag bending, the A core 1 cylindrical middle part of cross section is the core part 03 of A core 1, two rectangular 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 bent;
Described B core 2 is block prefabricated film covered sand core member, the master of B core 2 is depending on being with overlooking, center is provided with rectangular through-hole, leading flank to be provided with annular groove, rear side is perpendicular, top and bottom as protruding arc surface, left and right side is the perpendicular being parallel to each other, the leading flank of B core 2 is the core part 03 of B core 2, and center rectangular through-hole, top and bottom, trailing flank and the left and right side of B core 2 are the support portion 02 of B core 2;
Described C core 3 is that middle part is little, two ends are large, is the prefabricated film covered sand core member of 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 middle part of C core 3 is the support portion 02 of C core 3, and two ends of C core 3 are the core part 03 of C core 3;
Described patrix 4 is for overlooking the Thin shell model member of rectangular, prefabricated overlay film chiltern, below patrix 4, by front left, front right, rear left, four orientation of rear right, be divided into four regions, in each region, be equipped with that A is upper determines that groove 46, B are upper determines that groove 49, C are upper determines groove 47 and upper impression 48, patrix 4 is also provided with main cast gate 41, minute cast gate 42, runner 43, rising head 44, location tenon 45, and described A is upper determines groove 46 for the support portion that the be bent one end 02 corresponding identical groove of shape face with A core 1; Described B is upper to determine groove 49 be shape face with above the support portion 02 of B core 2, the corresponding identical groove of trailing flank and left and right side; Described C is upper determines groove 47 for the above corresponding identical groove of shape face with the support portion 02 of C core 3; Described upper impression 48 is shape face and the corresponding identical groove of first slit bamboo or chopped wood outer wall shape face of goods 01; Described main cast gate 41 for being positioned at patrix 4 centers, be 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 center one side position below patrix 4; Described runner 43 for being positioned at below patrix 4, be distributed in described main cast gate 41 left and right two sides, be some strip grooves of fore-and-aft direction; Divide cast gate 42 to communicate with described rising head 44; Within described minute, cast gate 42 is for being positioned at the gap slot that described upper impression 48 beads communicate with described rising head 44; Described location tenon 45 is for being positioned at patrix 4 four edges, the strip flange that protrudes below downwards;
Described counterdie 5 is for overlooking the Thin shell model member of rectangular, prefabricated overlay film chiltern, corresponding with patrix 4, counterdie 5 above by being divided into four regions all around, in each region, be equipped with and under A, determine to determine under groove 53, B to determine under groove 54, C groove 55 and lower impressions 56; Counterdie 5 is also provided with sprue 51, location tongue-and-groove 52; Under described A, determine to determine under groove 53, B to determine under groove 54, C that the described A of the shape of groove 55, lower impressions 56 and position and patrix 4 is upper determines groove 46, B upper to determine the upper upper and lower mirror image of shape and position of determining groove 47, upper impression 48 of groove 49, C corresponding; Described sprue 51 for be positioned at counterdie 5 below center, be the strip groove of left and right directions; Described location tongue-and-groove 52 for be positioned at counterdie 5 below, position, shape corresponding Shang Xia 45 with the described location tenon of patrix 4 and the identical groove matching of described location tenon 45;
Described support portion 02 refers in A core 1, B core 2, C core 3 that the described A of patrix 4 is upper determines that groove 46, B are upper to be determined to determine to determine to determine groove 55 under groove 54, C under groove 53, B under the upper described A that determines groove 47 and counterdie 5 of groove 49, C and contact the position of locating for embedding, and A core 1, B core 2, C core 3 interconnect the position of location; Described core part 03 refers to the position that surrounds the die cavity of cast molding goods 01 in A core 1, B core 2, C core 3 for the described upper impression 48 with patrix 4, counterdie 5, lower impressions 56;
Application connects, the support portion 02 of A core 1, B core 2, C core 3 determines to determine to determine in groove 55 under groove 54, C under groove 53, B under the corresponding A that is embedded in counterdie 5 respectively, wherein, the support portion that is bent one end 02 of described A core 1 with under described A, determine groove 53 phase embeddings and be connected, the support portion 02 of A core 1 other end is inserted in the support portion 02 of center rectangular through-hole of described B core 2 and is connected; Patrix 4 is positioned at counterdie 5 tops and counterdie 5 matched moulds, the described location tenon 45 of patrix 4 fastens location with the described location tongue-and-groove of counterdie 5 52, 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 being surrounded by the described lower impressions 56 of the core part 03 of A core 1, B core 2, C core 3 and the described upper impression of patrix 4 48 and counterdie 5 is called die cavity.
The direction face of structure representation is divided into up, down, left, right, front, rear side, wherein, before in the face of the face of apparatus main body, after be with described before relative face.
Operation principle and beneficial effect
During casting, this device level is placed in sandy ground face, pressing with weight above of patrix 4, 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 through minute cast gate 42, enters and fill the described die cavity that is arranged in each region and be shaped to respectively four goods 01 through condensation; In addition, liquid copper alloy also enters rising head 44 in full die cavity, and rising head 44 is for providing truncate in goods 01 condensation forming process.
Because the support portion 02 of A core 1, B core 2, C core 3 determines to determine under groove 53, B to determine under groove 54, C to determine on the described A of groove 55 and patrix 4 to determine on groove 46, B to determine on groove 49, C to locate under the clamping of groove 47 under the described A of counterdie 5, thereby be called groove core location, because this device is once cast into plastic four goods 01, thereby be called a mould four and go out, owing to adopting precoated sand prefabricated components to carry out assembling and molding, guaranteed the dimensional discrepancy of goods 01, and improved moulding efficiency, reduced cost of labor, reduced working strength, adopt groove core location, make A core 1, B core 2, the core part 03 of C core 3 accurately correspondence is positioned between upper impression 48 and lower impressions 56, make A core 1, B core 2, the core part 03 of C core 3 and upper impression 48 are guaranteed with the shape position error of the die cavity that lower impressions 56 surrounds, guaranteed the quality of cast molding goods 01, eliminated waste product, make the quality of goods 01 simultaneously, overlap can farthest be consistent, adopt a mould four to go out to have improved production efficiency.
Claims (1)
1. the precoated sand modeling that mould four goes out 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 for being the prefabricated film covered sand core member of zigzag bending, the cylindrical middle part of A core (1) cross section is the core part (03) of A core (1), two rectangular 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 bent;
Described B core (2) is block prefabricated film covered sand core member, the master of B core (2) is depending on being with overlooking, center is provided with rectangular through-hole, leading flank to be provided with annular groove, rear side is perpendicular, top and bottom as protruding arc surface, left and right side is the perpendicular being parallel to each other, the leading flank of B core (2) is the core part (03) of B core (2), and center rectangular through-hole, top and bottom, trailing flank and the left and right side of B core (2) is the support portion (02) of B core (2);
Described C core (3) is that middle part is little, two ends are large, the prefabricated film covered sand core member that is 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 middle part of C core (3) is the support portion (02) of C core (3), and 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 member of prefabricated overlay film chiltern, below patrix (4), press front left, front right, rear left, four orientation of rear right are divided into four regions, in each region, be equipped with A and above 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 is upper determines groove (46) for the support portion that be bent one end (02) the corresponding identical groove of shape face with A core (1), described B is upper to determine groove (49) be shape face with above the support portion (02) of B core (2), the corresponding identical groove of trailing flank and left and right side, described C is upper determines groove (47) for the above corresponding identical groove of shape face with the support portion (02) of C core (3), described upper impression (48) is shape face and the corresponding identical groove of 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, be 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) center one side position below patrix (4), described runner (43) for be positioned at patrix (4) below, be distributed in described main cast gate (41) left and right two sides, be some strip grooves of fore-and-aft direction, divide cast gate (42) to communicate with described rising head (44), described minute cast gate (42) for being positioned at the gap slot that described upper impression (48) bead communicates with described rising head (44), described location tenon (45) is for being positioned at patrix (4) four edges, the strip flange that protrudes below downwards,
Described counterdie (5) is for overlooking the Thin shell model member of rectangular, prefabricated overlay film chiltern, corresponding with patrix (4), counterdie (5) above by being divided into four regions all around, in each region, be equipped with and under A, determine to determine under groove (53), B to determine under groove (54), C groove (55) and lower impressions (56); Counterdie (5) is also provided with sprue (51), location tongue-and-groove (52); Under described A, determine to determine under groove (53), B to determine under groove (54), C that the described A of the shape of groove (55), lower impressions (56) and position and patrix (4) is upper determines groove (46), B upper to determine the upper upper and lower mirror image of shape and position of determining groove (47), upper impression (48) of groove (49), C corresponding; Described sprue (51) for be positioned at counterdie (5) below center, be the strip groove of left and right directions; Described location tongue-and-groove (52) for be positioned at counterdie (5) below, upper and lower corresponding, the shape of the described location tenon (45) of position and patrix (4) and the identical groove matching of described location tenon (45);
Described support portion (02) refers in A core (1), B core (2), C core (3) that the described A of patrix (4) is upper determines that groove (46), B are upper to be determined to determine to determine to determine groove (55) under groove (54), C under groove (53), B under the upper described A that determines groove (47) and counterdie (5) of groove (49), C and contact the position of locating for embedding, and A core (1), B core (2), C core (3) interconnect the position of location; Described core part (03) refers to the position that surrounds the die cavity of cast molding goods (01) in A core (1), B core (2), C core (3) for the described upper impression (48) with patrix (4), counterdie (5), lower impressions (56);
Application connects, the support portion (02) of A core (1), B core (2), C core (3) respectively correspondence is embedded under the A of counterdie (5) and determines to determine to determine in groove (55) under groove (54), C under groove (53), B, wherein, the support portion that is bent one end (02) of described A core (1) with under described A, determine groove (53) phase embedding and be connected, the support portion (02) of A core (1) other end is inserted in the support portion (02) of center rectangular through-hole of described B core (2) and is connected, patrix (4) is positioned at counterdie (5) top and counterdie (5) matched moulds, the described location tenon (45) of patrix (4) fastens location with the described location tongue-and-groove (52) of counterdie (5), A core (1), B core (2), the support portion (02) of C core (3) is gripped jointly by patrix (4) and counterdie (5), A core (1), B core (2), the core part (03) of C core (3) is positioned between upper impression (48) and lower impressions (56), by A core (1), B core (2), the chamber that the described lower impressions (56) of the core part (03) of C core (3) and the described upper impression (48) of patrix (4) and counterdie (5) surrounds is called die cavity.
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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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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 CN103611888B (en) | 2015-11-25 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104128566A (en) * | 2014-08-01 | 2014-11-05 | 浙江振义汽车部件有限公司 | A new valve body casting head structure |
| CN105081277A (en) * | 2015-04-28 | 2015-11-25 | 海门市沪海有色铸造有限公司 | Low-pressure casting process of metal aluminium ring |
| 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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| 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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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104128566A (en) * | 2014-08-01 | 2014-11-05 | 浙江振义汽车部件有限公司 | A new valve body casting head structure |
| 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 |
| CN105081277A (en) * | 2015-04-28 | 2015-11-25 | 海门市沪海有色铸造有限公司 | Low-pressure casting process of metal aluminium ring |
| 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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