CN111390123B - Flange casting forming process - Google Patents
Flange casting forming process Download PDFInfo
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- CN111390123B CN111390123B CN202010371991.XA CN202010371991A CN111390123B CN 111390123 B CN111390123 B CN 111390123B CN 202010371991 A CN202010371991 A CN 202010371991A CN 111390123 B CN111390123 B CN 111390123B
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- 238000005266 casting Methods 0.000 title claims abstract description 108
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000008569 process Effects 0.000 title claims abstract description 11
- 238000000465 moulding Methods 0.000 claims abstract description 15
- 239000002994 raw material Substances 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000003723 Smelting Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims description 2
- 244000309464 bull Species 0.000 claims 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 5
- 230000005484 gravity Effects 0.000 abstract description 4
- 230000000712 assembly Effects 0.000 description 12
- 238000000429 assembly Methods 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
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Abstract
The invention relates to a flange casting molding process, which uses a flange casting molding die, and the flange casting molding die comprises a base and a casting device, wherein the left side and the right side of the upper surface of the base are symmetrically provided with supporting vertical plates, the front side and the rear side of the inner side of each supporting vertical plate are symmetrically provided with adjusting sliding grooves, adjusting sliding blocks are arranged in the adjusting sliding grooves in a vertically symmetrical and sliding mode, the adjusting sliding blocks are penetrated through adjusting screw rods, and the casting device is arranged between the adjusting sliding blocks positioned between the supporting vertical plates and at opposite positions. The invention can solve the following problems in the process of casting and forming the flange at present: the upper die and the lower die are separated by the tension device arranged above and below the die, when the die is pulled open, a casting in the die is easily damaged, so that the surface of the casting is not safe due to the pull mark, the upper die and the lower die are not completely separated possibly, and the casting is dangerous to workers taking the casting due to the fact that the upper die and the lower die are folded again under the action of gravity.
Description
Technical Field
The invention relates to the field of casting processing, in particular to a flange casting forming process.
Background
The flange connection is that two pipelines, pipe fittings or equipment are respectively fixed on a flange plate, a flange pad is arranged between the two flange plates and fastened together by bolts, and the connection is completed. Some pipe fittings and equipment are provided with flanges and are also connected by flanges; flange connection is an important connection mode for pipeline construction; the flange connection is convenient to use and can bear larger pressure; in industrial pipelines, flange connections are widely used; in a household, the diameter of the pipeline is small, the pressure is low, and the flange connection cannot be seen, and if in a boiler room or a production site, the pipeline and equipment are connected by flanges everywhere. The production mode of the flange mainly comprises four modes of forging, casting, cutting and rolling, and the casting of the flange is performed by a flange mould;
the following problems exist in the current flange casting molding process: when the flange casting is cooled to normal temperature in the mold and needs to be demolded, the upper mold and the lower mold are separated by the tension devices arranged above and below the mold, although the demolding mode is simple to use, when the mold is pulled open, the casting in the mold is easily damaged, so that the surface of the casting has the problem of pull marks due to tension, and the demolding mode is unsafe, the upper mold and the lower mold are not completely separated possibly, and the upper mold and the lower mold are folded again due to the action of gravity, so that the danger is brought to workers taking the casting.
Disclosure of Invention
The invention aims to provide a flange casting molding process to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a flange casting molding process uses a flange casting molding die, the flange casting molding die comprises a base and a casting device, and the specific method when the flange casting molding die is used for flange casting operation is as follows:
step one, preparation operation: debugging the flange casting forming die;
step two, smelting raw materials: putting raw materials used for flange casting into a melting furnace for melting, so that the raw materials are melted into liquid and reach a certain temperature;
step three, heating the die: preheating a flange casting forming die, and keeping the die at a constant temperature;
step four, injecting liquid: injecting the raw material liquid melted in the step two into the flange casting forming die preheated in the step three;
step five, cooling the casting: after the raw material liquid injected into the flange casting forming mold in the fourth step is naturally cooled to a certain temperature, keeping the temperature for a period of time, and then carrying out water cooling on the flange casting forming mold and the casting in the fourth step;
step six, demolding the casting: demolding the casting after the temperature of the flange casting forming mold and the casting in the step five is close to normal temperature;
supporting vertical plates are symmetrically arranged on the left side and the right side of the upper surface of the base, adjusting sliding grooves are symmetrically formed in the front side and the rear side of the inner side of each supporting vertical plate, adjusting sliding blocks are symmetrically and slidably mounted in the adjusting sliding grooves in an up-down mode, the adjusting sliding blocks are penetrated through adjusting lead screws, and casting devices are mounted between the adjusting sliding blocks located in opposite positions between the supporting vertical plates; wherein:
the casting device comprises an upper die assembly, a middle die assembly and a lower die assembly, the upper die assembly is arranged between adjusting slide blocks on the upper end of a supporting vertical plate, a plurality of upper positioning pins are evenly arranged at the edge of the lower surface of the upper die assembly along the circumferential direction of the upper die assembly, a plurality of upper positioning holes are evenly arranged at the lower surface of the upper die assembly along the circumferential direction of the upper die assembly, the upper positioning pins are located outside the upper positioning holes, the middle die assembly is arranged under the upper die assembly, the supporting vertical plate is connected with the middle die assembly through a transverse plate, the lower die assembly is arranged between the adjusting slide blocks at the lower end of the supporting vertical plate, the middle die assembly is located over the lower die assembly, the upper surface edge of the lower die assembly is evenly provided with a plurality of lower positioning holes along the circumferential direction of the lower die assembly, and a positioning column is arranged in the middle of the upper surface of the lower die assembly.
As a further scheme of the invention: the upper die assembly comprises an upper die supporting plate, an upper die plate, an upper spring telescopic rod, a feeding pipe and an exhaust pipe, the upper die supporting plate is arranged between adjusting sliders arranged at the upper ends of the supporting vertical plates, a plurality of upper spring telescopic rods are evenly arranged between the lower surface of the upper die supporting plate and the upper surface of the upper die plate, the upper die through holes are symmetrically arranged in the middle of the upper die supporting plate and the upper die plate in the middle of the upper die supporting plate, the feeding pipe is connected between the upper die through hole in the middle of the left side of the upper die supporting plate and the upper die through hole in the middle of the left side of the upper die plate, and the exhaust pipe is connected between the upper die through hole in the middle of the right side of the upper die supporting plate and the upper die through hole in the middle of the right side of the upper die plate.
As a further scheme of the invention: the middle die assembly comprises a middle die plate, limiting assemblies, positioning hole columns and a top support assembly, the supporting vertical plate is connected with the left side and the right side of the middle die plate through transverse plates, the edges of the middle die plate are evenly provided with four limiting assemblies along the circumferential direction of the middle die plate, the lower surface of the middle die plate is evenly provided with eight positioning hole columns along the circumferential direction of the middle die plate, the limiting assemblies are located on the outer sides of the positioning hole columns, four inner portions of the eight positioning hole columns are provided with the top support assemblies, and the four limiting assemblies correspond to the four top support assemblies one by one.
As a further scheme of the invention: the lower die assembly comprises a lower die supporting plate, a lower die plate and lower spring telescopic rods, the lower die supporting plate is arranged between adjusting sliders at the lower ends of supporting vertical plates, and the lower spring telescopic rods are evenly arranged between the upper surface of the lower die supporting plate and the lower surface of the lower die plate.
As a further scheme of the invention: the limiting assembly comprises a limiting rotating rod, a limiting main gear, a limiting slave gear, a limiting ratchet wheel, a limiting ring, a limiting stop rod and a limiting stop block, wherein four annular cavities are uniformly formed in the edge of the middle die plate along the circumferential direction of the middle die plate, the limiting rotating rod is arranged in the annular cavities, the limiting main gear is installed on the limiting rotating rod, the limiting slave gear is connected to the limiting main gear in a meshed mode, the limiting ratchet wheel is installed on the limiting slave gear from the outer side of the gear, the limiting ring is installed on the side wall of the annular cavities, a plurality of limiting stop rods and the limiting stop block are uniformly arranged on the inner wall of the limiting ring along the circumferential direction of the limiting main gear, the limiting ratchet wheel is in contact with the front end of the limiting stop rod, a compression spring is connected between the middle parts of the limiting ring and the limiting stop rod, and the bottom end of the limiting stop rod is located on the right side of the limiting stop block.
As a further scheme of the invention: the top supporting assembly comprises a top supporting rotating rod, a top supporting rotating wheel, a top supporting connecting rod and a top supporting push block, a top supporting cavity is arranged inside the positioning hole column, the top supporting rotating rod is installed at the middle upper part of the top supporting cavity, the top supporting rotating rod is installed on the top supporting rotating rod, the top supporting rotating rod is connected with one end of the top supporting connecting rod through a pin shaft at the left end and the right end of the top supporting rotating rod, the other end of the top supporting connecting rod is connected with the lower end of the top supporting push block through a pin shaft, and the top supporting cavity is connected with the top supporting push block in a sliding mode.
As a further scheme of the invention: one end of the limiting rotating rod is in a convex shape, and a hollow baffle groove is formed in the inner wall of one side of the annular cavity.
As a further scheme of the invention: one end of the top support rotating rod is concave, and the top support rotating wheel is shuttle-shaped.
Compared with the prior art, the invention has the following advantages:
the method can solve the following problems in the process of casting and molding the flange at present: when the flange casting is cooled to normal temperature in the mold and needs to be demolded, the upper mold and the lower mold are separated by arranging the tension devices above and below the mold, although the demolding mode is simple to use, when the mold is pulled open, the casting in the mold is easily damaged, so that the surface of the casting has a pull mark problem due to tension, and the demolding mode is unsafe, the upper mold and the lower mold are not completely separated, and the upper mold and the lower mold are closed again due to the action of gravity, so that danger is brought to workers taking the casting;
when the device is used for demoulding a flange casting, the casting device is divided into the upper die assembly, the middle die assembly and the lower die assembly, and when the upper die assembly, the middle die assembly and the lower die assembly are combined together to form a casting cavity which is mainly in the middle die casting, so that the area of the upper die assembly and the lower die assembly contacting the casting is reduced, the later-stage demoulding of the casting is easier, and the occurrence of pull marks on the surface of the casting is also effectively avoided;
according to the flange casting demoulding device, the top support assembly and the limiting assembly are designed, the upper die assembly, the middle die assembly and the lower die assembly can be separated from each other from the interior of a mould, the occupied space of equipment is saved, and when a casting is demoulded, the top support assembly is slowly rotated to separate the upper die assembly, the middle die assembly and the lower die assembly, the limiting assembly can prevent the rotation problem of the top support assembly caused by the downward movement of the upper die assembly and the lower die assembly under the action of gravity, so that the demoulding safety of the flange casting is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of the operation of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic top cross-sectional plan view of the present invention;
FIG. 4 is a schematic cross-sectional plan view taken at A-A of FIG. 3 of the present invention;
FIG. 5 is a schematic cross-sectional plan view at B-B of FIG. 3 of the present invention;
FIG. 6 is an enlarged cross-sectional plan view of the invention at C of FIG. 4;
FIG. 7 is an enlarged cross-sectional plan view of the present invention at D of FIG. 4;
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further explained with reference to fig. 1 to 7.
A flange casting molding process uses a flange casting molding die, the flange casting molding die comprises a base 1 and a casting device 2, and the specific method when the flange casting molding die is used for flange casting operation is as follows:
step one, preparation operation: debugging the flange casting forming die;
step two, smelting raw materials: putting raw materials used for flange casting into a melting furnace for melting, so that the raw materials are melted into liquid and reach a certain temperature;
step three, heating the die: preheating a flange casting forming die, and keeping the die at a constant temperature;
step four, injecting liquid: injecting the raw material liquid melted in the step two into the flange casting forming die preheated in the step three;
step five, cooling the casting: after the raw material liquid injected into the flange casting forming mold in the fourth step is naturally cooled to a certain temperature, keeping the temperature for a period of time, and then carrying out water cooling on the flange casting forming mold and the casting in the fourth step;
step six, demolding the casting: demolding the casting after the temperature of the flange casting forming mold and the casting in the step five is close to normal temperature;
supporting vertical plates 11 are symmetrically arranged on the left side and the right side of the upper surface of the base 1, adjusting sliding grooves 12 are symmetrically formed in the front side and the rear side of the inner side of each supporting vertical plate 11, adjusting sliding blocks 13 are symmetrically and slidably mounted in the adjusting sliding grooves 12 in the up-down direction, the adjusting sliding blocks 13 are penetrated through adjusting lead screws 14, and casting devices 2 are mounted between the adjusting sliding blocks 13 which are located at opposite positions between the supporting vertical plates 11; wherein:
the casting device 2 comprises an upper die assembly 21, a middle die assembly 22 and a lower die assembly 23, wherein the upper die assembly 21 is arranged between adjusting sliders 13 positioned at the upper end of a supporting vertical plate 11, a plurality of upper positioning pins 201 are uniformly arranged at the edge of the lower surface of the upper die assembly 21 along the circumferential direction of the upper die assembly, a plurality of upper positioning holes 202 are uniformly arranged at the lower surface of the upper die assembly 21 along the circumferential direction of the upper die assembly, the upper positioning pins 201 are positioned outside the upper positioning holes 202, the middle die assembly 22 is arranged under the upper die assembly 21, the supporting vertical plate 11 is connected with the middle die assembly 22 through a transverse plate 203, the lower die assembly 23 is arranged between the adjusting sliders 13 positioned at the lower end of the supporting vertical plate 11, the middle die assembly 22 is positioned over the lower die assembly 23, a plurality of lower positioning holes 204 are uniformly arranged at the edge of the upper surface of the lower die assembly 23 along the circumferential direction of the lower die assembly 23, and a positioning column 205 is arranged in the middle of the upper surface of the lower die assembly 23; during specific work, the adjusting screw 14 is rotated to enable the adjusting slide block 13 to move in the adjusting slide groove 12, so that the upper die assembly 21 and the lower die assembly 23 approach the middle die assembly 22, the upper positioning pin 201 is aligned with the lower positioning hole 204 to be inserted, the upper die assembly 21, the middle die assembly 22 and the lower die assembly 23 are folded together, and flange casting operation is started.
The upper die assembly 21 comprises an upper die support plate 211, an upper die plate 212, upper spring telescopic rods 213, a feeding pipe 214 and an exhaust pipe 215, the upper die support plate 211 is arranged between the adjusting sliders 13 positioned at the upper ends of the supporting vertical plates 11, a plurality of upper spring telescopic rods 213 are uniformly arranged between the lower surface of the upper die support plate 211 and the upper surface of the upper die plate 212, upper die through holes are symmetrically arranged in the middle of the upper die support plate 211 and the middle of the upper die plate 212 in a left-right mode, the feeding pipe 214 is connected between the upper die through hole in the left side in the middle of the upper die support plate 211 and the upper die through hole in the left side in the middle of the upper die plate 212, and the exhaust pipe 215 is connected between the upper die through hole in the right side in the middle of the upper die support plate 211 and the upper die through hole in the right side in the middle of the upper die plate 212;
during specific work, under the rotation of the adjusting screw 14, the upper die support plate 211 moves downwards to drive the upper die plate 212 to move downwards to be attached to the middle die assembly 22, when the assembly of the upper die assembly 21, the middle die assembly 22 and the lower die assembly 23 is completed, and the raw material liquid is poured into a cavity formed by the upper die assembly 21, the middle die assembly 22 and the lower die assembly 23, the raw material liquid is poured into the cavity from the inlet of the feeding pipe 214, the raw material liquid can extrude air in the cavity from the exhaust pipe 215, the raw material liquid can be stopped being poured until the raw material liquid emerges from the exhaust pipe 215, when a flange casting needs to be taken out from the cavity, the middle die assembly 22 is driven to move by the existing power equipment to jack the upper die plate 212, so that after the upper die plate 212 is completely separated from the flange casting, the upper die support plate 211 is rotated by rotating the adjusting screw 14, and the upper part of the casting can be demolded.
The middle die assembly 22 comprises a middle die plate 221, a limiting assembly 222, positioning hole columns 223 and top bracing assemblies 224, the supporting vertical plate 11 is connected with the left side and the right side of the middle die plate 221 through a transverse plate 203, four limiting assemblies 222 are uniformly arranged on the edge of the middle die plate 221 along the circumferential direction of the middle die plate, eight positioning hole columns 223 are uniformly arranged on the lower surface of the middle die plate 221 along the circumferential direction of the middle die plate, the limiting assemblies 222 are positioned on the outer sides of the positioning hole columns 223, the top bracing assemblies 224 are arranged in four of the eight positioning hole columns 223, and the four limiting assemblies 222 correspond to the four top bracing assemblies 224 one by one; during specific work, well template 221 and cope match-plate pattern 212 and lower bolster 232 cooperate, form the required cavity of flange casting, locating hole post 223 corresponds the screw hole on the casting flange edge, use current power supply to provide power for shoring subassembly 224, can part cope match-plate pattern 212 and lower bolster 232 and well template 221, in order to reach the purpose of foundry goods drawing of patterns, spacing subassembly 222 can effectively restrict the rotation direction of shoring subassembly 224, prevent because cope match-plate pattern 212 and lower bolster 232's pressure, the state that appears the reversal when causing shoring subassembly 224 to move.
The limiting assembly 222 comprises a limiting rotating rod 2221, a limiting master gear 2222, a limiting slave gear 2223, a limiting ratchet 2224, a limiting ring 2225, a limiting stop lever 2226 and a limiting stop 2227, wherein four annular cavities 2211 are uniformly formed in the edge of the middle template 221 along the circumferential direction of the middle template, the limiting rotating rod 2221 is arranged in each annular cavity 2211, the limiting master gear 2222 is arranged on the limiting rotating rod 2221, the limiting slave gear 2222 is connected to the limiting master gear 2222 in a meshed manner, the limiting ratchet 2224 is arranged on the outer side of the limiting slave gear 2223, the limiting ratchet 2225 is arranged on the side wall of each annular cavity 2211, a plurality of limiting stop rods 2226 and limiting stops 2227 are uniformly arranged on the inner wall of each limiting ring 2225 along the circumferential direction of the inner wall, the limiting ratchet 2224 is in contact with the front ends of the limiting stop rods 2226, a compression spring is connected between the limiting ring 2225 and the middle parts of the limiting stop rods 2226, and the bottom ends of the limiting stop 2226 are positioned on the right sides of the limiting stops 2222222222227; during specific work, when the limiting rotating rod 2221 is rotated to drive the top support assembly 224 to rotate, the limiting rotating rod 2221 drives the limiting main gear 2222 to rotate, so that the limiting driven gear 2223 and the limiting ratchet wheel 2224 are driven to rotate, the limiting ratchet wheel 2224 can be rotated to stir the limiting stop rod 2226, the limiting stop rod 2226 can rebound to an initial position to be contacted with the limiting stop 2227 all the time under the action of a compression spring, when the limiting rotating rod 2221 stops rotating, the front end of the limiting stop rod 2226 can be abutted to the roots of teeth of the limiting ratchet wheel 2224, and the rotation of the limiting rotating rod 2221 is effectively prevented.
One end of the limiting rotating rod 2221 is convex, and a hollow groove 2212 is formed in the inner wall of one side of the annular cavity 2211; during specific work, the convex shape of limiting rotating rod 2221 one end is for cooperating the use with top brace rotating rod 2241 one end, and when limiting rotating rod 2221 does not need to cooperate with top brace rotating rod 2241, limiting rotating rod 2221 can return to the inside of neutral position groove 2212 without affecting the movement of other functions of the equipment.
The top support assembly 224 comprises a top support rotating rod 2241, a top support rotating wheel 2242, a top support connecting rod 2243 and a top support push block 2244, a top support cavity 2231 is arranged in the positioning hole column 223, the top support rotating rod 2241 is installed at the upper part of the top support cavity 2231, the top support rotating rod 2242 is installed on the top support rotating rod 2241, the left end and the right end of the top support rotating rod 2242 are connected with one end of the top support connecting rod 2243 through pin shafts, the other end of the top support connecting rod 2243 is connected with the lower end of the top support push block 2244 through pin shafts, and the top support cavity 2231 is in sliding connection with the upper end of the top support push block 2244; during specific work, the limiting rotating rod 2221 is rotated to drive the top support rotating rod 2241 to rotate, the top support rotating wheel 2242 drives the top support connecting rod 2243 to move in the top support cavity 2231, one end of the top support connecting rod 2243 pushes the top support push block 2244 to move in the top support cavity 2231, and therefore the upper die support plate 211 and the lower die support plate 231 are separated from the middle die plate 221.
One end of the top support rotating rod 2241 is concave, and the shape of the top support rotating wheel 2242 is shuttle-shaped; during specific work, the concave shape of one end of the top support rotating rod 2241 is used in cooperation with one end of the limiting rotating rod, the top support rotating wheel 2242 is of a shuttle-shaped structure, and when the top support rotating wheel 2242 rotates, independent movement between the upper top support connecting rod 2243 and the lower top support connecting rod 2243 cannot be influenced, so that the upper die support plate 211 and the lower die support plate 231 can be conveniently separated from the middle die plate 221.
The lower die assembly 23 comprises a lower die support plate 231, a lower die plate 232 and lower spring telescopic rods 233, the lower die support plate 231 is arranged between the adjusting sliders 13 at the lower ends of the supporting vertical plates 11, and a plurality of lower spring telescopic rods 233 are uniformly arranged between the upper surface of the lower die support plate 231 and the lower surface of the lower die plate 232; during specific work, under the rotation of adjusting lead screw 14, lower mould extension board 231 shifts up, take lower bolster 232 to move down and laminate with well mould subassembly 22, when last mould subassembly 21, well mould subassembly 22 and lower mould subassembly 23 three equipment finish, begin to pour into stock solution in the cavity that last mould subassembly 21, well mould subassembly 22 and lower mould subassembly 23 formed, wait to get out the flange foundry goods from the cavity when, through the motion of the well mould subassembly 22 of current power equipment drive, push away lower bolster 232, make after lower bolster 232 breaks away from the flange foundry goods completely, rotate adjusting lead screw 14 and move down lower mould extension board 231, can accomplish the upper portion drawing of patterns of foundry goods.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a flange casting forming technology, its has used a flange casting forming die, and this flange casting forming die includes base (1) and casting device (2), its characterized in that: the specific method for performing flange casting operation by adopting the flange casting forming die is as follows:
step one, preparation operation: debugging a flange casting forming die;
step two, smelting raw materials: putting raw materials used for flange casting into a melting furnace for melting, so that the raw materials are melted into liquid and reach a certain temperature;
step three, heating the die: preheating a flange casting forming die, and keeping the die at a constant temperature;
step four, injecting liquid: injecting the raw material liquid melted in the step two into the flange casting forming die preheated in the step three;
step five, cooling the casting: after the raw material liquid injected into the flange casting forming mold in the fourth step is naturally cooled to a certain temperature, keeping the temperature for a period of time, and then carrying out water cooling on the flange casting forming mold and the casting in the fourth step;
step six, demolding the casting: demolding the casting after the temperature of the flange casting forming mold and the casting in the step five is close to normal temperature;
supporting vertical plates (11) are symmetrically arranged on the left side and the right side of the upper surface of the base (1), adjusting sliding grooves (12) are symmetrically formed in the front and back of the inner side surface of each supporting vertical plate (11), adjusting sliding blocks (13) are symmetrically and slidably mounted in the adjusting sliding grooves (12) up and down, the adjusting sliding blocks (13) are penetrated by adjusting lead screws (14), and casting devices (2) are mounted between the adjusting sliding blocks (13) which are located at opposite positions between the supporting vertical plates (11); wherein:
the casting device (2) comprises an upper die assembly (21), a middle die assembly (22) and a lower die assembly (23), wherein the upper die assembly (21) is arranged between adjusting sliders (13) positioned at the upper end of a supporting vertical plate (11), a plurality of upper positioning pins (201) are uniformly arranged on the edge of the lower surface of the upper die assembly (21) along the circumferential direction of the upper surface, a plurality of upper positioning holes (202) are uniformly arranged on the lower surface of the upper die assembly (21) along the circumferential direction of the upper surface, the upper positioning pins (201) are positioned on the outer sides of the upper positioning holes (202), the middle die assembly (22) is arranged under the upper die assembly (21), the supporting vertical plate (11) is connected with the middle die assembly (22) through a transverse plate (203), the lower die assembly (23) is arranged between the adjusting sliders (13) positioned at the lower end of the supporting vertical plate (11), the middle die assembly (22) is positioned over the lower die assembly (23), a plurality of lower positioning holes (204) are uniformly arranged on the edge of the upper surface of the lower die assembly (23) along the circumferential direction of the lower die assembly, a positioning column (205) is arranged in the middle of the upper surface of the lower die component (23);
well mould subassembly (22) include well template (221), spacing subassembly (222), locating hole post (223) and shore subassembly (224), support between riser (11) and well template (221) the left and right sides through diaphragm (203) and be connected, well template (221) edge evenly is provided with four spacing subassemblies (222) along its circumferential direction, well template (221) lower surface evenly is provided with eight locating hole posts (223) along its circumferential direction, spacing subassembly (222) are located the locating hole post (223) outside, there are four insides in eight locating hole posts (223) to be provided with shore subassembly (224), and four spacing subassemblies (222) and four shore subassemblies (224) one-to-one.
2. A flange casting process according to claim 1, wherein: the upper die component (21) comprises an upper die support plate (211), an upper die plate (212), an upper spring telescopic rod (213), a feeding pipe (214) and an exhaust pipe (215), wherein the upper die support plate (211) is installed between adjusting sliders (13) positioned at the upper end of a supporting vertical plate (11), a plurality of upper spring telescopic rods (213) are uniformly arranged between the lower surface of the upper die support plate (211) and the upper surface of the upper die plate (212), upper die through holes are symmetrically formed in the middle of the upper die support plate (211) and the middle of the upper die plate (212), the feeding pipe (214) is connected between the upper die through holes positioned in the middle of the upper die support plate (211) and the left upper die through holes positioned in the middle of the upper die plate (212), and the exhaust pipe (215) is connected between the upper die through.
3. A flange casting process according to claim 1, wherein: the lower die assembly (23) comprises a lower die support plate (231), a lower die plate (232) and lower spring telescopic rods (233), the lower die support plate (231) is installed between adjusting sliders (13) located at the lower end of the supporting vertical plate (11), and the lower spring telescopic rods (233) are evenly arranged between the upper surface of the lower die support plate (231) and the lower surface of the lower die plate (232).
4. A flange casting process according to claim 1, wherein: the limiting assembly (222) comprises a limiting rotating rod (2221), a limiting master gear (2222), a limiting slave gear (2223), a limiting ratchet wheel (2224), a limiting ring (2225), a limiting stop rod (2226) and a limiting stop block (2227), four annular cavities (2211) are uniformly formed in the edge of the middle template (221) along the circumferential direction of the middle template, the limiting rotating rod (2221) is arranged in the annular cavity (2211), the limiting master gear (2222) is installed on the limiting rotating rod (2221), the limiting slave gear (2223) is connected to the limiting master gear (2222) in a meshing manner, the limiting ratchet wheel (2224) is installed on the outer side of the limiting slave gear (2223), the limiting ring (2225) is installed on the side wall of the annular cavity (2211), a plurality of limiting stop rods (2226) and the limiting stop block (2227) are uniformly arranged on the inner wall of the limiting ring (2225) along the circumferential direction of the inner wall, and the limiting ratchet wheel (2224) is in contact with the front end of the limiting stop rod (2226), a compression spring is connected between the middle parts of the limiting ring (2225) and the limiting stop lever (2226), and the bottom end of the limiting stop lever (2226) is positioned at the right side of the limiting stop block (2227).
5. A flange casting process according to claim 1, wherein: the shore subassembly (224) is including shore bull stick (2241), shore runner (2242), shore connecting rod (2243) and shore ejector pad (2244), locating hole post (223) inside is provided with shore cavity (2231), shore runner (2241) is installed to the well upper segment in shore cavity (2231), install shore runner (2242) on shore bull stick (2241), both ends are connected with shore connecting rod (2243) one end through the round pin axle about shore runner (2242), shore connecting rod (2243) other end is connected with shore ejector pad (2244) lower extreme through the round pin axle, shore cavity (2231) and shore ejector pad (2244) upper end sliding connection.
6. A flange casting moulding process according to claim 4, characterized in that: one end of the limiting rotating rod (2221) is convex, and a hollow blocking groove (2212) is formed in the inner wall of one side of the annular cavity (2211).
7. A flange casting process according to claim 5, wherein: one end of the top support rotating rod (2241) is concave, and the shape of the top support rotating wheel (2242) is shuttle-shaped.
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| CN202010371991.XA CN111390123B (en) | 2020-05-06 | 2020-05-06 | Flange casting forming process |
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| CN202010371991.XA CN111390123B (en) | 2020-05-06 | 2020-05-06 | Flange casting forming process |
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| CN111390123B true CN111390123B (en) | 2021-07-30 |
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| CN112427627A (en) * | 2020-11-03 | 2021-03-02 | 陈秀兰 | Electric power fitting casting forming method |
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| CN111390123A (en) | 2020-07-10 |
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Effective date of registration: 20240719 Address after: No. 1 Jincheng Road, Jinhe Industrial Park, Jintai District, Baoji City, Shaanxi Province 721000 Patentee after: Baoji Zhongli Casting Co.,Ltd. Country or region after: China Address before: 276000 502, block a, science and Technology Pioneer Park, high tech Zone, Linyi City, Shandong Province Patentee before: Linyi frontier automation equipment Co.,Ltd. Country or region before: China |