CN118951000B - A valve automatic casting process and casting device - Google Patents
A valve automatic casting process and casting device Download PDFInfo
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- CN118951000B CN118951000B CN202411459276.6A CN202411459276A CN118951000B CN 118951000 B CN118951000 B CN 118951000B CN 202411459276 A CN202411459276 A CN 202411459276A CN 118951000 B CN118951000 B CN 118951000B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D47/00—Casting plants
- B22D47/02—Casting plants for both moulding and casting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C15/00—Moulding machines characterised by the compacting mechanism; Accessories therefor
- B22C15/02—Compacting by pressing devices only
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D33/00—Equipment for handling moulds
- B22D33/02—Turning or transposing moulds
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Devices For Molds (AREA)
Abstract
The invention discloses an automatic valve casting process and a casting device, and relates to the technical field of valve casting. The invention relates to an automatic valve casting device which comprises a metal mesh belt conveying line body and sand boxes, wherein sand box guide rails are fixedly arranged on two sides of the top of the metal mesh belt conveying line body, two groups of die openings are formed in the sand box guide rails, die opening assemblies are arranged at the positions of the two groups of die openings, a sand filling assembly is arranged at the top of the die opening assembly on the left side, a casting assembly is arranged between the sand filling assembly and the die opening on the right side, and guide grooves are formed in the bottom of the sand boxes. The sand mould is conveyed to the sand filling assembly through the metal mesh belt conveying line body and the sand box guide rail, the elastic air bag expands to enable the key pressing rod to be clung to the outer surface of the valve mould, the split-layer sand pressing can be tightly carried out, then the electromagnetic valve is opened to enable talcum powder to be evenly sprayed to the outer surface of the valve mould, the talcum powder smearing procedure can be carried out when the split-layer sand pressing is carried out, and the sand pressing quality is high.
Description
Technical Field
The invention relates to the technical field of valve casting, in particular to an automatic valve casting process and a casting device.
Background
The valve is a control component in the fluid conveying system and has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, diverting or overflow pressure relief and the like. Valves for fluid control systems range from the simplest shut-off valves to the various valves used in extremely complex automatic control systems, which are quite diverse in variety and specification. Sand casting is a common casting process for valves, and is suitable for valves with complex shapes, and the process comprises the steps of mixing sand and clay to form a mould, pouring molten metal into the mould, and taking out the casting after the metal is cooled.
At present, the valve is manually filled with sand and demolded in the sand casting process, the production efficiency is low, and in the literature (application number: CN 202410534041.2), an automatic valve casting process and a casting device are disclosed, the device can automatically fill sand and demold, but the device is disposable filled with sand, then the cover plate and gas pressure are utilized to compress the sand, the disposable compression is not compact enough, bubbles are easy to remain between the sand, the casting quality is influenced, meanwhile, the device is directly filled with sand and pressed, castings are easy to adhere to the sand, especially the valve with complex shape, and the subsequent demolding difficulty is high.
Disclosure of Invention
The invention aims to solve the problems and provides an automatic valve casting process and a casting device.
The invention adopts the following technical scheme for realizing the purposes:
The automatic valve casting device comprises a metal mesh belt conveying line body and sand boxes, wherein sand box guide rails are fixedly arranged on two sides of the top of the metal mesh belt conveying line body, two groups of die openings are formed in the sand box guide rails, die opening assemblies are arranged at the two groups of die opening positions, sand filling assemblies are arranged at the tops of the die opening assemblies on the left side, a casting assembly is arranged between the sand filling assemblies and the die opening on the right side, and guide grooves are formed in the bottoms of the sand boxes;
The sand filling assembly comprises a top plate fixedly arranged at the top of the mould opening assembly, a second cylinder and a third cylinder are fixedly arranged at the top of the top plate, a valve mould is fixedly arranged at the bottom of a telescopic end of the second cylinder, a sand pressing plate is fixedly arranged at the bottom of a telescopic end of the third cylinder, a through hole is formed in the sand pressing plate, the valve mould can pass through the through hole, cavities are formed in the front inner wall and the rear inner wall of the through hole, an elastic air bag is fixedly arranged in the cavities, a plurality of groups of key pressing rods are fixedly connected to one side of each elastic air bag, spray holes are formed in the inner parts of the key pressing rods, one ends of the key pressing rods, which are close to the through hole, are in a triangular design, connecting hoses are arranged in the cavities and penetrate the elastic air bags, electromagnetic valves are arranged on the outer sides of the connecting hoses and are positioned in the elastic air bags, the connecting hoses are communicated with the spray holes through branch pipes, a plurality of groups of nozzles are arranged on the inner sides of the connecting hoses, and extend to the left inner wall and the right inner wall of the through hole, and the elastic air bags can be filled with talcum powder mixed gas;
and a sand adding component is arranged at the top of the top plate.
Further, the die opening assembly comprises a bearing table, the bearing table stretches across the metal mesh belt conveying line body and is located at the die opening position, first air cylinders are fixedly arranged on two sides of the bearing table, die opening guide rails are fixedly arranged at the telescopic ends of the first air cylinders, and the die opening guide rails can be inserted into the die opening.
Further, the bottom of the die opening guide rail is provided with a supporting plate, and two groups of supporting plates can be mutually spliced.
Further, the sand adding assembly comprises a plurality of groups of sand boxes fixedly installed at the top of the top plate, a first material valve is arranged at the bottom of each sand box, a sand adding pipe is arranged at the bottom of each first material valve, and the sand adding pipes can penetrate through the through holes.
Further, the outside fixed mounting of sand box has the powder sliding box, the bottom of powder sliding box is provided with material valve two, the outside fixed mounting of sand box has the fan, the top fixed mounting of roof has the mixing bin, material valve two is linked together with mixing bin through the material pipe, the air outlet of fan is linked together with mixing bin through the trachea, the bottom of mixing bin is provided with the pipe, the pipe is linked together with elastic air bag through the check valve.
Further, both ends of the sand box guide rail extend out of the metal net belt conveying line body.
Further, the outside fixed mounting of metal guipure transfer chain body has the vibrator, and the vibrator is close to the die opening on right side, the right-hand member of metal guipure transfer chain body is provided with the collection and fights.
Further, a handle is arranged on the outer side of the sand box.
An automatic valve casting process comprises the following steps:
S1, feeding, namely placing two groups of sand boxes on a metal mesh belt conveying line body in a mold closing manner, and enabling sand box guide rails to be inserted into guide grooves;
S2, sand filling, namely conveying sand boxes of the two combined molds to the lower part of a sand filling assembly by a metal net belt conveying line body, and carrying out layered sand filling and layered spraying of talcum powder by a left mold opening assembly and the sand filling assembly in a matched manner;
s3, casting, namely conveying the sand box filled with sand to the lower part of a casting assembly by a metal net belt conveying line body, and automatically completing casting;
s4, blanking, namely slowly conveying the cast sand box to a die opening assembly position on the right side by using a metal mesh belt conveying line body, cooling the cast during conveying, separating the sand box by using the die opening assembly, and sequentially conveying the cast and the sand box by using the metal mesh belt conveying line body to finish automatic valve casting.
The beneficial effects of the invention are as follows:
1. According to the invention, the sand mould is conveyed to the position of the sand filling assembly through the metal mesh belt conveying line body and the sand box guide rail, the sand filling assembly intermittently fills sand through the sand pressing plate, talcum powder and gas are injected into the elastic air bag, the elastic air bag expands to enable the key pressing rod to be tightly attached to the outer surface of the valve mould, the sand can be tightly laminated, then the electromagnetic valve is opened to enable the talcum powder to be uniformly sprayed to the outer surface of the valve mould, the talcum powder smearing procedure can be carried out while the sand is laminated, the sand pressing quality is high, and the follow-up demoulding is convenient.
2. According to the invention, the metal mesh belt conveying line body is matched with the sand box guide rail, the gathered sand boxes can be conveyed, the sand boxes filled with sand are conveyed to the casting assembly position for casting, then conveyed to the right mold opening assembly position, castings are automatically cooled in the conveying process, the mold opening assembly enables the sand boxes to be separated from the castings, the demolded castings and the sand boxes can be separated from the metal mesh belt conveying line body, demolding can be automatically completed, and the production efficiency is high.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a metal mesh belt conveyor line body structure according to the invention;
FIG. 3 is a schematic view of the structure of the opening module of the present invention;
FIG. 4 is a schematic view of the sand pack assembly of the present invention;
FIG. 5 is a schematic view of a sand pack and valve mold of the present invention;
FIG. 6 is an exploded view of the sand pack assembly of the present invention;
FIG. 7 is a schematic view of a sanding plate of the present invention;
FIG. 8 is an exploded view of the sanding plate of the present invention;
fig. 9 is a schematic view of a valve die of the present invention.
Reference numeral 1, a metal mesh belt conveying line body; 2, sand box guide rail, 21, mold opening, 3, vibrator, 4, mold opening assembly, 41, bearing table, 42, first cylinder, 43, mold opening guide rail, 44, pallet, 5, sand filling assembly, 51, top plate, 52, second cylinder, 53, valve mold, 54, third cylinder, 55, sand pressing plate, 551, through hole, 552, elastic air bag, 553, key press bar, 554, spray hole, 555, connecting hose, 556, electromagnetic valve, 557, spray nozzle, 56, sand box, 561, material valve I, 562, sand adding pipe, 57, powder sliding box, 58, material valve II, 59, fan, 510, mixing bin, 511, guide pipe, 6, casting assembly, 7, collecting hopper, 8, sand box, 81, handle, 82, guide groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example 1
As shown in fig. 1-9, an automatic valve casting device comprises a metal mesh belt conveying line body 1 and a sand box 8, wherein sand box guide rails 2 are fixedly arranged on two sides of the top of the metal mesh belt conveying line body 1, two groups of die openings 21 are formed in the sand box guide rails 2, die opening assemblies 4 are arranged at the positions of the two groups of die openings 21, a sand filling assembly 5 is arranged at the top of the left die opening assembly 4, a casting assembly 6 is arranged between the sand filling assembly 5 and the right die opening 21, and a guide groove 82 is formed in the bottom of the sand box 8;
The sand filling assembly 5 comprises a top plate 51 fixedly arranged at the top of the die opening assembly 4, a second air cylinder 52 and a third air cylinder 54 are fixedly arranged at the top of the top plate 51, a valve die 53 is fixedly arranged at the bottom of a telescopic end of the second air cylinder 52, a sand pressing plate 55 is fixedly arranged at the bottom of a telescopic end of the third air cylinder 54, a through hole 551 is formed in the sand pressing plate 55, the valve die 53 can penetrate through the through hole 551, cavities are formed in the front inner wall and the rear inner wall of the through hole 551, an elastic air bag 552 is fixedly arranged in the cavities, a plurality of groups of key press rods 553 are fixedly connected to one side of the elastic air bag 552, spray holes 554 are formed in the inside of the key press rods 553, one end of each key press rod 553, which is close to the through hole 551, is in a triangular design, a connecting hose 555 is arranged in the cavity, the connecting hose 555 penetrates through the elastic air bag 552, an electromagnetic valve 556 is arranged on the outer side of the connecting hose 555, the electromagnetic valve 556 is positioned in the elastic air bag 552, the connecting hose 555 is communicated with the spray holes 554, a plurality of groups of nozzles 557 are arranged on the inner walls of the connecting hose 555, the nozzles 557 extend to the left and right inner walls of the through hole 551, and the elastic air bag 552 can be filled with mixed gas;
the top of the top plate 51 is provided with a sanding assembly.
Casting: the guide grooves 82 at the bottoms of the two groups of sand boxes 8 are aligned with the sand box guide rail 2 and then placed on the metal mesh belt conveying line body 1, the sand box guide rail 2 enables the two groups of sand boxes 8 to be tightly gathered together, the metal mesh belt conveying line body 1 drives the gathered sand boxes 8 to move rightwards to the station of the sand filling assembly 5, then the second air cylinder 52 is controlled to operate, the second air cylinder 52 drives the valve mould 53 to be inserted into the gathered sand boxes 8, then a certain amount of molding sand is injected into the gathered sand boxes 8 through the sand filling assembly, then the third air cylinder 54 is controlled to operate, the third air cylinder 54 drives the sand pressing plate 55 to descend, after the sand pressing plate 55 descends to a certain depth, the sand pressing plate is just contacted with uncompacted molding sand, talcum powder and gas mixture are introduced into the elastic air bags 552 at the moment, the elastic air bags 552 expand, the elastic air bags 552 push the key 553 to be tightly attached to the outer surface of the valve mould 53, and the key 553 pressing rods are in a plurality of groups of keys 553 to be in a self-adapting fit, at this time, the third cylinder 54 is controlled to continue to operate, the third cylinder 54 drives the sand pressing plate 55 to descend, because one end of the key pressing rod 553, which is close to the through hole 551, is in a triangular design, and the outer surface of the valve mold 53 is arc-shaped, when the sand pressing plate 55 descends, the key pressing rod 553 stretches out and draws back under the action of the outer surface of the valve mold 53, the sand pressing plate 55 is not influenced to descend, and is always clung to the outer surface of the valve mold 53, along with the descending of the sand pressing plate 55, the sand of the first layer is pressed, then the third cylinder 54 is controlled to drive the sand pressing plate 55 to ascend, the electromagnetic valve 556 is controlled to open, talcum powder mixed gas in the elastic air bag 552 is sprayed out from the nozzle 557 through the spray hole 554, the air pressure in the elastic air bag 552 is reduced, the elastic air bag 552 is contracted under the self elastic force, the elastic air bag 552 drives the key pressing rod 553 to retract, the device is not in contact with the outer surface of the valve die 53, so that the talcum powder is uniformly sprayed, the rising speed of the third air cylinder 54 and the rising speed of the third air cylinder are preset, so that the spraying height of the talcum powder is approximately the same as the next sand pressing height, then a certain amount of sand is injected into the sand box 8 again through the sand adding assembly, the sand pressing step is repeated again, the sand around the valve die 53 can be tightly pressed each time, the sand is uniformly pressed, and talcum powder is sprayed in layers during sand pressing, so that the subsequent casting separation is facilitated, and the device has the advantages that the last sand pressing step completely covers the flange part above the valve die 53, the sand pressing plate 55 is positioned above the flange part, the key pressing rod 553 cannot interfere with the flange part, meanwhile, the inclination angle of the key pressing rod 553 is limited, the pressing gap between the inclined end of the key pressing rod 553 and other positions is small, and the gap can be eliminated during the next sand pressing step;
After sand pressing is finished, the left mold opening assembly 4 is controlled to run, the left mold opening assembly 4 drives the two groups of sand boxes 8 to be separated, then the second cylinder 52 is controlled to drive the valve mold 53 to ascend, cores can be placed in the sand boxes 8 according to processing requirements, the inside of a cast valve is hollow, then the mold opening assembly 4 drives the two groups of sand boxes 8 to be closed, the metal mesh belt conveying line body 1 drives the closed sand boxes 8 to move rightwards to a station of the casting assembly 6, meanwhile, the other group of sand boxes 8 are conveyed to a station of the sand filling assembly 5, the casting assembly 6 is used for casting molten metal into a mold cavity in the sand boxes 8, after casting is finished, the metal mesh belt conveying line body 1 drives the closed sand boxes 8 to move rightwards, a distance is required to be moved for a period of time, and the metal mesh belt conveying line body 1 is long enough, when the sand boxes 8 are moved to the right mold opening assembly 4, castings inside are cooled to the temperature capable of opening the molds, then the right mold opening assembly 4 is separated, the castings and molding sand boxes are manually dropped on the metal mesh belt conveying line body 1, after the castings and the sand boxes 8 are conveyed again, the distance between the casting boxes 8 is required to be opened, and the distance between the casting assembly 8 and the casting is high, and the production line 8 is required to be opened, and the distance is high when the casting is required to be opened, and the casting efficiency is finished, and the casting efficiency is required to be opened, and the die 8 is rapidly and the die 8 is opened, and the distance and the die 8 is required to be opened.
Further, a handle 81 is provided on the outer side of the flask 8 to facilitate handling of the flask 8.
Further, the top of the key depression bar 553 is designed to be inclined downward, by which the injection hole 554 can better inject talc powder, and the top of the key depression bar 553 is not easy to accumulate talc powder.
Example two
On the basis of the above embodiment, there is provided an opening module 4 structure;
As shown in fig. 3, the die opening assembly 4 includes a carrying table 41, the carrying table 41 spans across the metal mesh belt conveying line body 1 and is located at the die opening 21, the two sides of the carrying table 41 are fixedly provided with first air cylinders 42, the telescopic ends of the first air cylinders 42 are fixedly provided with die opening guide rails 43, and the die opening guide rails 43 can be inserted into the die opening 21.
The two groups of first air cylinders 42 drive the two groups of mold opening guide rails 43 to be far away from the mold opening 21 by controlling the first air cylinders 42 on two sides to synchronously and reversely run, so that the two groups of sand boxes 8 can be driven to separate molds.
Further, the bottom of the die opening guide rail 43 is provided with the supporting plates 44, and the two groups of supporting plates 44 can be mutually spliced, so that the die opening stability is improved.
Example III
On the basis of the embodiment, a sand adding assembly structure is provided;
As shown in fig. 6, the sand feeding assembly includes a plurality of groups of sand boxes 56 fixedly installed on the top of the top plate 51, a first material valve 561 is provided at the bottom of the sand boxes 56, a sand feeding pipe 562 is provided at the bottom of the first material valve 561, and the sand feeding pipes 562 can pass through the through holes 551.
After sand pressing is completed, the third air cylinder 54 is controlled to drive the sand pressing plate 55 to ascend, when the passing port 551 exceeds the bottom of the sand adding pipe 562, the first material valve 561 is controlled to be opened, molding sand in the sand box 56 is discharged into the sand box 8 through the sand adding pipe 562, sand is added uniformly through the arrangement of the plurality of groups of sand boxes 56, and the bottom of the sand adding pipe 562 is slightly higher than the top of the sand box 8, and the sand adding pipe 562 cannot influence the conveying of the sand box 8.
Example IV
On the basis of the above embodiment, the device further comprises a powder sliding box 57 fixedly installed on the outer side of the sand box 56, a second material valve 58 arranged at the bottom of the powder sliding box 57, a fan 59 fixedly installed on the outer side of the sand box 56, a mixing bin 510 fixedly installed on the top of the top plate 51, the second material valve 58 communicated with the mixing bin 510 through a material pipe, an air outlet of the fan 59 communicated with the mixing bin 510 through an air pipe, a guide pipe 511 arranged at the bottom of the mixing bin 510, and the guide pipe 511 communicated with the elastic air bag 552 through a one-way valve.
After sand adding is completed, the second control material valve 58 is opened, quantitative talcum powder enters the mixing bin 510, then the fan 59 is started, the fan 59 blows the talcum powder in the mixing bin 510 into the elastic air bag 552, and when the fan 59 is closed through the arrangement of the one-way valve, the talcum powder cannot flow backwards, so that the follow-up powder spraying stability is ensured.
Example five
On the basis of the embodiment, the metal mesh belt conveyor line body 1 is extended from two ends of the sand box guide rail 2, through the design, the extending part of left end feeding of the sand box guide rail 2 is convenient for feeding firstly, the sand box 8 is pushed onto the metal mesh belt conveyor line body 1 after being gathered, feeding is stable, the extending part of right end discharging of the sand box guide rail 2 can carry out discharging support on the sand box 8, the supporting effect is achieved on the sand box 8, and the sand box 8 cannot directly fall.
Example six
On the basis of the above embodiment, the metal mesh belt conveyor line body 1 is further provided with a vibrator 3 fixedly mounted on the outer side, and the vibrator 3 is close to the right die opening 21, and the right end of the metal mesh belt conveyor line body 1 is provided with a collecting hopper 7.
Through the setting of vibrator 3, make foundry goods after the die sinking can separate with the molding sand, the molding sand is sieved through the metal mesh belt on the metal mesh belt transfer chain body 1, and the foundry goods falls into in the collection fill 7 at last, and the unloading effect is better, and because vibrator 3 is close to the die opening 21 on right side, so when the die sinking, can make sand box 8 produce the vibration, the die sinking separation effect is better, need not manual auxiliary operation.
Example seven
An automatic valve casting process comprises the following steps:
s1, feeding, namely placing two groups of sand boxes 8 in a die closing manner on a metal net belt conveying line body 1, and enabling sand box guide rails 2 to be inserted into guide grooves 82;
S2, sand filling, namely conveying sand boxes 8 of the two combined molds to the lower part of a sand filling assembly 5 by a metal net belt conveying line body 1, and carrying out layered sand filling and layered spraying of talcum powder by a left die opening assembly 4 and the sand filling assembly 5 in a matched manner;
S3, casting, namely conveying the sand box 8 filled with sand to the lower part of the casting assembly 6 by the metal net belt conveying line body 1, and automatically completing casting;
S4, blanking, namely slowly conveying the cast sand box 8 to the position of the die opening assembly 4 on the right side by the metal mesh belt conveying line body 1, cooling the castings during conveying, separating the sand box 8 by the die opening assembly 4, and sequentially conveying the castings and the sand box 8 by the metal mesh belt conveying line body 1 to finish automatic valve casting.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The utility model provides an automatic casting device of valve, includes metal guipure transfer chain body (1) and sand box (8), its characterized in that, the both sides at metal guipure transfer chain body (1) top are all fixed mounting has sand box guide rail (2), two sets of die openings (21) have been seted up to the inside of sand box guide rail (2), two sets of die openings (21) position all is provided with die opening subassembly (4), the left side die opening subassembly (4) top is installed and is filled sand subassembly (5), be provided with between sand filling subassembly (5) and right side die opening (21) and cast subassembly (6), guide slot (82) have been seted up to the bottom of sand box (8);
The sand filling assembly (5) comprises a top plate (51) fixedly arranged at the top of the die opening assembly (4), a second air cylinder (52) and a third air cylinder (54) are fixedly arranged at the top of the top plate (51), a valve die (53) is fixedly arranged at the bottom of a telescopic end of the second air cylinder (52), a sand pressing plate (55) is fixedly arranged at the bottom of a telescopic end of the third air cylinder (54), a through hole (551) is formed in the sand pressing plate (55), the valve die (53) can penetrate through the through hole (551), cavities are formed in the front inner wall and the rear inner wall of the through hole (551), elastic air bags (552) are fixedly arranged in the inner wall of the cavities, a plurality of groups of keys (553) are fixedly connected to one side of the elastic air bags (552), spray holes (554) are formed in the inner sides of the keys (553), one ends of the keys (553) close to the through holes (551) are in a triangular design, a connecting hose (555) is arranged in the inner part of the cavity, the connecting hose (555) penetrates through the elastic air bags (555), the outer sides of the connecting hose (55) are provided with electromagnetic valves (552), the electromagnetic valves (552) are connected with the electromagnetic valves (555) in the electromagnetic valves (555) through the electromagnetic valves (55), the nozzle (557) extends to the left and right inner walls of the through hole (551), and the elastic air bag (552) can be filled with talcum powder mixed gas;
the top of the top plate (51) is provided with a sand adding component.
2. An automatic valve casting device according to claim 1, wherein the die opening assembly (4) comprises a bearing table (41), the bearing table (41) spans the metal mesh belt conveying line body (1) and is positioned at the die opening (21), first air cylinders (42) are fixedly arranged on two sides of the bearing table (41), die opening guide rails (43) are fixedly arranged at telescopic ends of the first air cylinders (42), and the die opening guide rails (43) can be inserted into the die opening (21).
3. An automatic valve casting device according to claim 2, characterized in that the bottom of the die-sinking guide rail (43) is provided with a pallet (44), and that the pallets (44) of two sets are mutually insertable.
4. A valve automatic casting apparatus according to claim 3, wherein the sand feeding assembly comprises a plurality of groups of sand boxes (56) fixedly mounted on the top of the top plate (51), a first material valve (561) is arranged at the bottom of each sand box (56), a sand feeding pipe (562) is arranged at the bottom of each first material valve (561), and each sand feeding pipe (562) can pass through the corresponding through hole (551).
5. The automatic valve casting device according to claim 4, wherein a powder sliding box (57) is fixedly arranged on the outer side of the sand box (56), a material valve II (58) is arranged at the bottom of the powder sliding box (57), a fan (59) is fixedly arranged on the outer side of the sand box (56), a mixing bin (510) is fixedly arranged on the top of the top plate (51), the material valve II (58) is communicated with the mixing bin (510) through a material pipe, an air outlet of the fan (59) is communicated with the mixing bin (510) through an air pipe, a guide pipe (511) is arranged at the bottom of the mixing bin (510), and the guide pipe (511) is communicated with an elastic air bag (552) through a one-way valve.
6. An automatic valve casting device according to claim 1, characterized in that both ends of the sand box guide rail (2) extend out of the metal mesh belt conveying line body (1).
7. The automatic valve casting device according to claim 6, wherein the vibrator (3) is fixedly installed on the outer side of the metal mesh belt conveying line body (1), the vibrator (3) is close to a right die opening (21), and a collecting hopper (7) is arranged at the right end of the metal mesh belt conveying line body (1).
8. An automatic valve casting device according to claim 1, characterized in that the outside of the flask (8) is provided with a handle (81).
9. An automatic valve casting process using the automatic valve casting device according to any one of claims 1 to 8, comprising the steps of:
s1, feeding, namely closing the dies of two groups of sand boxes (8) on a metal mesh belt conveying line body (1), and enabling sand box guide rails (2) to be inserted into guide grooves (82);
s2, sand filling, namely conveying a sand box (8) of the two combined molds to the lower part of a sand filling assembly (5) by a metal net belt conveying line body (1), and carrying out layered sand filling and layered spraying of talcum powder by a left mold opening assembly (4) and the sand filling assembly (5) in a matched manner;
s3, casting, namely conveying the sand box (8) filled with sand to the lower part of the casting assembly (6) by the metal net belt conveying line body (1), and automatically completing casting;
S4, blanking, namely slowly conveying the sand box (8) after casting to the position of the die opening assembly (4) on the right side by the metal mesh belt conveying line body (1), cooling the castings during conveying, separating the sand box (8) by the die opening assembly (4), and sequentially conveying the castings and the sand box (8) by the metal mesh belt conveying line body (1), so as to finish automatic valve casting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411459276.6A CN118951000B (en) | 2024-10-18 | 2024-10-18 | A valve automatic casting process and casting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411459276.6A CN118951000B (en) | 2024-10-18 | 2024-10-18 | A valve automatic casting process and casting device |
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| CN118951000A CN118951000A (en) | 2024-11-15 |
| CN118951000B true CN118951000B (en) | 2025-01-24 |
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| CN220127535U (en) * | 2023-05-24 | 2023-12-05 | 青岛华冶铸钢有限公司 | Casting sand mixing equipment capable of automatically weighing and filling sand |
| CN118341947A (en) * | 2024-05-16 | 2024-07-16 | 河北金运铸业有限公司 | Casting production line and casting production process |
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| DE19845389A1 (en) * | 1998-10-02 | 2000-04-06 | Georg Fischer Disa Ag | Device for increasing low-pressure casting of molten metals |
| WO2008038397A1 (en) * | 2006-09-25 | 2008-04-03 | Aisin Takaoka Co., Ltd. | Cast production line apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN220127535U (en) * | 2023-05-24 | 2023-12-05 | 青岛华冶铸钢有限公司 | Casting sand mixing equipment capable of automatically weighing and filling sand |
| CN118341947A (en) * | 2024-05-16 | 2024-07-16 | 河北金运铸业有限公司 | Casting production line and casting production process |
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| CN118951000A (en) | 2024-11-15 |
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