CN107755674B - Full-automatic lead shielding casting device and casting method - Google Patents
Full-automatic lead shielding casting device and casting method Download PDFInfo
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- CN107755674B CN107755674B CN201711182081.1A CN201711182081A CN107755674B CN 107755674 B CN107755674 B CN 107755674B CN 201711182081 A CN201711182081 A CN 201711182081A CN 107755674 B CN107755674 B CN 107755674B
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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
- B22D35/00—Equipment for conveying molten metal into beds or moulds
- B22D35/04—Equipment for conveying molten metal into beds or moulds into moulds, e.g. base plates, runners
Abstract
The invention relates to a full-automatic lead shield casting device and a casting method, which belong to the field of lead shield product manufacturing. The invention has reasonable structural design, can realize the one-time continuous casting molding of the lead shielding container, avoids the problems of faults, slag inclusion and the like of the lead shielding layer, eliminates the harm of lead smoke and radiation exceeding standard to human bodies, improves the casting efficiency, reduces the labor intensity of staff and ensures the product quality.
Description
Technical Field
The invention relates to a full-automatic lead shielding casting device and a casting method, and belongs to the field of lead shielding product manufacturing.
Background
At present, the casting of the lead shielding container in the lead shielding product production field mainly adopts a manual casting mode, the workload of workers is large, the casting efficiency is low, and the lead smoke can fly up due to the production mode, so that the harm to the human body of the workers is very large, the country goes out of a table, the related policy does not allow the use of the production mode, and an automatic casting mode for directionally collecting the lead smoke is required, and therefore, each enterprise develops related casting equipment, but the existing equipment cannot realize one-time continuous casting of the lead shielding container, faults, slag inclusion and other defects are easy to occur, the lead shielding equivalent of the container is reduced, the radiation quantity exceeds the standard, and the radiation harm to operators and the environment is caused.
Disclosure of Invention
According to the defects in the prior art, the invention aims to solve the problems that: the full-automatic lead shielding casting device and the casting method have the advantages that the structural design is reasonable, the one-time continuous casting forming of the lead shielding container can be realized, the problems of faults, slag inclusion and the like of a lead shielding layer are avoided, the harm of lead smoke and radiation exceeding to human bodies is avoided, the casting efficiency is improved, the labor intensity of workers is reduced, and the product quality is ensured.
The technical scheme adopted for solving the technical problems is as follows:
full-automatic lead shield casting device, including the base, set up three-layer steel supporting platform on the base, correspond the intermediate position of three-layer steel supporting platform and set up the rail on the base of its below, set up the transportation flatcar on the rail, set up lift platform on the transportation flatcar, fixed lead shield casting work piece on the lift platform, correspond lead shield casting work piece and set up the through-hole on three-layer steel supporting platform's top layer platform, set up top layer plumbous pot around the through-hole, correspond lead shield casting work piece and still be provided with middle level plumbous pot on three-layer steel supporting platform's middle level platform, top layer plumbous pot and middle level plumbous pot all connect smoke abatement clean system.
The lead shielding casting workpiece comprises an inner cylinder and an outer cylinder which are connected into a whole, a casting cavity is formed between the inner cylinder and the outer cylinder, a heating disc is arranged at equal intervals from top to bottom, the heating disc separates the lead shielding casting workpiece into a plurality of casting layers from top to bottom, a spraying device is arranged on the periphery of each casting layer correspondingly, the spraying device is fixed through a fixing support arranged on the heating disc, a temperature measuring device is arranged on each casting layer of the lead shielding casting workpiece, and the temperature measuring device, the spraying device, the heating disc, a lifting platform, a top lead pot, a middle lead pot and a smoke removal purifying system are all connected with a control system.
The full-automatic lead shielding casting device is reasonable in structural design, casting of large-scale lead shielding casting workpieces can be completed through the cooperation of the top lead pot arranged on the lifting platform and the three-layer steel supporting platform, casting of small-scale lead shielding casting workpieces can be performed through the cooperation of the lifting platform and the middle lead pot, the application range of equipment is greatly improved, and casting cost of the workpieces is reduced. Meanwhile, through the cooperation of the heating disc, the temperature measuring device and the spraying device with the casting component, the one-time continuous casting molding of the lead shielding container can be realized, the problems of faults, slag inclusion and the like of a lead shielding layer are avoided, the lead pot is connected with a smoke removal purification system, the directional collection of lead smoke can be realized, the harm of the lead smoke and the radiation quantity exceeding standard to the human body is avoided, the whole process does not need excessive manual participation, the casting efficiency is improved, the product quality is ensured, the labor intensity of workers is reduced, and the lead pot has strong practicability.
Further preferably, the top-layer lead pot and the middle-layer lead pot have the same structure, the top-layer lead pot comprises a lead pot shell, a residual lead drain port is arranged at the lower part of the lead pot shell, a lead adding platform is arranged at one side of the lead pot shell correspondingly, a closed lead melting device and a power device are arranged at the inner side of the lead pot shell, the power device is connected with a lead conveying pipe, a lead outlet of the lead conveying pipe corresponds to a casting cavity of a lead shielding casting workpiece, a dust hood is arranged at the top of the lead pot shell, a dust outlet of the dust hood is connected with a smoke removing purification system, and the smoke removing purification system is connected with a control system;
the top lead pan is provided with 4 top lead pans, the 4 top lead pans are arranged around the through hole at intervals of 90 degrees, the middle lead pan is provided with 2 lead pans, and the two lead pans are respectively arranged on the middle layer platforms of the three-layer steel support platforms on two sides of the lead shielding casting workpiece. Automatic casting of the lead shielding casting workpiece is achieved, working efficiency is improved, and workload of operators is reduced.
Further preferably, the power device comprises an auxiliary lead pot body, a lead inlet pipeline is arranged at the bottom of the auxiliary lead pot body, a lead inlet one-way valve is arranged on the lead inlet pipeline, a gas control device and a conveying pipeline are arranged at the top of the auxiliary lead pot body, and the conveying pipeline is connected with a lead conveying pipe.
Further preferably, a guide rail type lifter is arranged on the side face of the three-layer steel supporting platform, and the guide rail type lifter is connected with the control system. And the lead ingot is convenient to convey.
Further preferably, the spraying device comprises a spraying pipe, the spraying pipe is fixed around the lead shielding casting workpiece in a surrounding mode, an atomization nozzle is arranged on the spraying pipe corresponding to the lead shielding casting workpiece, and the atomization nozzle is connected with the control system. And cooling of the lead shielding casting workpiece in the casting process is facilitated.
Further preferably, the temperature measuring device adopts a thermocouple. The materials are convenient to obtain, the cost is low, and the accuracy of temperature detection can be ensured.
Further preferably, the number of the heating discs, the number of the spraying devices and the number of the temperature measuring devices are 5, and the heating discs, the spraying devices and the temperature measuring devices correspond to the lead shielding casting workpiece respectively. The heating disc adopts the hot plate form, divides five layers of heating, all can control respectively, and through temperature measuring device control temperature parameter, work piece spray set equally divide into five layers, and every layer comprises the shower that has the atomizer, and every layer all can control respectively to reach layering refrigerated purpose.
The lead shield casting method of the full-automatic lead shield casting device comprises the following steps:
(1) The lifting platform is lowered to the lowest position, a lead shielding casting workpiece is fixed on the lifting platform, the lead shielding casting workpiece is moved to a casting position below the three-layer steel supporting platform through the cooperation of the steel rail and the transfer flat car, the lead shielding casting workpiece corresponds to the through hole of the top layer, a fixing support is arranged on a heating disc at the periphery of the lead shielding casting workpiece, a spraying device is fixed on the fixing support, a temperature measuring device is arranged on the lead shielding casting workpiece, and the heating disc, the spraying device and the temperature measuring device are connected with a control system;
(2) The lifting platform acts to lift the lead shielding casting workpiece to a lead filling position, and the lead conveying pipe extends into the bottom of the casting cavity of the lead shielding casting workpiece;
(3) Putting a lead ingot into a top-layer lead pot or a middle-layer lead pot, starting a smoke removal purification system and a closed lead melting device, melting the lead ingot into liquid lead through the closed lead melting device, finishing directional collection of lead smoke through the smoke removal purification system, starting a heating disc and a temperature measuring device, preheating a lead shielding casting workpiece through the heating disc, and monitoring the preheating temperature through the temperature measuring device;
(4) After the temperature measuring device monitors that the temperature of the lead shielding casting workpiece reaches a specified temperature, the lead inlet one-way valve is opened, the gas control device performs exhaust, during the exhaust process, liquid lead enters the interior of the auxiliary lead pot body, after the injection of the lead in the auxiliary lead pot body is completed, the gas control device performs air inlet, under the action of gas pressure, the lead inlet one-way valve is closed firstly, and then the liquid lead enters a casting cavity of the lead shielding casting workpiece through the lead conveying pipe;
(5) In the casting process, the lifting platform acts, the lead shielding casting workpiece descends along with the descending of the lifting platform in the casting process, in the descending casting process, the tail end of the lead conveying pipe is always kept 200mm below the lead liquid level at the inner side of the lead shielding casting workpiece, meanwhile, the height of the lead liquid level in the lead shielding casting workpiece is determined through the temperature measuring device, when the liquid level exceeds the temperature measuring point of each layer, the heating disc of the layer is firstly closed, heating is stopped, then the spraying device of the layer is controlled to cool the casting layer, and the like until the casting of the casting cavity of the lead shielding casting workpiece is completed, and the casting of the lead liquid is stopped;
(6) And starting all spraying devices around the lead shielding casting workpiece to cool the lead shielding casting workpiece to room temperature, and after cooling, lowering the lifting platform to the lowest, and dismantling the fixing support, the spraying devices and the temperature measuring device to finish casting the lead shielding casting workpiece.
Further preferably, the temperature measuring device controls the lead inlet one-way valve to be opened after monitoring that the temperature reaches 260 ℃.
The invention has the beneficial effects that:
1. the full-automatic lead shielding casting device and the casting method can realize one-time continuous molding of the lead shielding container in a sealed environment, avoid the problems of faults, slag inclusion and the like of a lead shielding layer, avoid the harm of lead smoke generated in the casting process to human bodies, and improve the operation safety of staff.
2. The full-automatic lead shielding casting device and the casting method can ensure the lead shielding equivalent of the lead shielding container, avoid the radiation hazard to operators and the environment caused by the exceeding of the radiation quantity, greatly improve the casting efficiency, reduce the labor intensity of the operators, ensure the product quality, and have reasonable structural design and stronger practicability.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a top view of the present invention;
FIG. 5 is a schematic view of the installation of a lead shield cast workpiece of the present invention;
FIG. 6 is a schematic view of the structure of the lead pan of the present invention;
FIG. 7 is a view B-B of FIG. 6 in accordance with the present invention;
FIG. 8 is a side view of the lead pan of the present invention;
FIG. 9 is a schematic diagram of a power plant of the present invention;
FIG. 10 is a top view of the power plant of the present invention;
FIG. 11 is a side view of the power plant of the present invention;
1, a three-layer steel support platform; 2. a top lead pan; 3. a guide rail type lifter; 4. a steel rail; 5. a transfer flatcar; 6. a lifting platform; 7. lead shielding casting the workpiece; 8. a base; 9. a middle layer lead pot; 10. a smoke abatement purification system; 11. a through hole; 12. an outer cylinder; 13. an inner cylinder; 14. a lead pipe; 15. casting the cavity; 16. a fixed bracket; 17. a temperature measuring device; 18. a spraying device; 19. a heating disc; 20. casting a layer; 21. a lead pan housing; 22. a residual lead drain port; 23. closing the lead melting device; 24. a power device; 25. a lead adding platform; 26. a dust hood; 27. an auxiliary lead pan body; 28. a lead inlet one-way valve; 29. a lead inlet pipeline; 30. a delivery line; 31. and a gas control device.
Detailed Description
Embodiments of the invention are further described below with reference to the accompanying drawings:
as shown in fig. 1-5, the full-automatic lead shielding casting device provided by the invention comprises a base 8, wherein three layers of steel support platforms 1 are arranged on the base 8, a steel rail 4 is arranged on the base 8 below the three layers of steel support platforms 1 corresponding to the middle position of the three layers of steel support platforms 1, a transfer trolley 5 is arranged on the steel rail 4, a lifting platform 6 is arranged on the transfer trolley 5, a lead shielding casting workpiece 7 is fixed on the lifting platform 6, a through hole 11 is arranged on the top layer platform of the three layers of steel support platforms 1 corresponding to the lead shielding casting workpiece 7, a top layer lead pot 2 is arranged around the through hole 11, a middle layer lead pot 9 is also arranged on the middle layer platform of the three layers of steel support platforms 1 corresponding to the lead shielding casting workpiece 7, the top layer lead pot 2 and the middle layer lead pot 9 are both connected with a smoke removal purification system 10, a guide rail type lifter 3 is arranged on the side surface of the three layers of steel support platforms 1, and the guide rail type lifter 3 is connected with a control system.
The lead shielding casting workpiece 7 comprises an inner cylinder 13 and an outer cylinder 12 which are connected into a whole, a casting cavity 15 is formed between the inner cylinder 13 and the outer cylinder 12, a heating disc 19 is arranged at equal intervals from top to bottom on the lead shielding casting workpiece 7, the heating disc 19 divides the lead shielding casting workpiece 7 into a plurality of casting layers 20 from top to bottom, a spraying device 18 is arranged on the periphery of each casting layer 20 correspondingly, the spraying device 18 is fixed through a fixing bracket 16 arranged on the heating disc 19, a temperature measuring device 17 is arranged on each casting layer 20 of the lead shielding casting workpiece 7, and the temperature measuring device 17, the spraying device 18, the heating disc 19, the lifting platform 6, the top lead pot 2, the middle lead pot 9 and the smoke removal purifying system 10 are all connected with a control system.
As shown in fig. 6-8, the top-layer lead pan 2 and the middle-layer lead pan 9 have the same structure, the top-layer lead pan 2 comprises a lead pan shell 21, a residual lead drain port 22 is arranged at the lower part of the lead pan shell 21, a lead adding platform 25 is arranged at one side of the corresponding lead pan shell 21, a closed lead melting device 23 and a power device 24 are arranged at the inner side of the lead pan shell 21, the power device 24 is connected with a lead conveying pipe 14, a lead outlet of the lead conveying pipe 14 corresponds to a casting cavity 15 of a lead shielding casting workpiece 7, a dust hood 26 is arranged at the top of the lead pan shell 21, a dust outlet of the dust hood 26 is connected with a smoke removing and purifying system 10, and the smoke removing and purifying system 10 is connected with a control system;
the top-layer lead pans 2 are arranged 4, the 4 top-layer lead pans 2 are arranged around the through hole 11 at intervals of 90 degrees, the middle-layer lead pans 9 are arranged 2, and the two lead pans are respectively arranged on the middle-layer platforms of the three-layer steel support platform 1 on two sides of the lead shielding casting workpiece 7.
As shown in fig. 9-11, the power device 24 comprises an auxiliary lead pot body 27, a lead inlet pipeline 29 is arranged at the bottom of the auxiliary lead pot body 27, a lead inlet one-way valve 28 is arranged on the lead inlet pipeline 29, a gas control device 31 and a conveying pipeline 30 are arranged at the top of the auxiliary lead pot body 27, and the conveying pipeline 30 is connected with the lead conveying pipe 14.
The spraying device 18 comprises a spraying pipe, the spraying pipe is fixed around the lead shielding casting workpiece 7, an atomization nozzle is arranged on the spraying pipe corresponding to the lead shielding casting workpiece 7, the atomization nozzle is connected with a control system, and the temperature measuring device 17 adopts a thermocouple. The number of the heating discs 19, the spraying device 18 and the temperature measuring device 17 is 5, and the heating discs, the spraying device 18 and the temperature measuring device 17 correspond to the lead shielding casting workpiece 7 respectively.
The lead shield casting method of the full-automatic lead shield casting device comprises the following steps:
(1) The lifting platform 6 is lowered to the lowest position, the lead shielding casting workpiece 7 is fixed on the lifting platform 6, the lead shielding casting workpiece 7 is moved to a casting position below the three-layer steel supporting platform 1 through the cooperation of the steel rail 4 and the transfer trolley 5, the lead shielding casting workpiece 7 corresponds to the through hole 11 of the top layer, a fixing bracket 16 is arranged on a heating disc 19 at the periphery of the lead shielding casting workpiece 7, a spraying device 18 is fixed on the fixing bracket 16, a temperature measuring device 17 is arranged on the lead shielding casting workpiece 7, and the heating disc 19, the spraying device 18 and the temperature measuring device 17 are connected with a control system;
(2) The lifting platform 6 acts to lift the lead shielding casting workpiece 7 to a lead filling position, and the lead conveying pipe 14 extends into the bottom of the casting cavity 15 of the lead shielding casting workpiece 7;
(3) Putting a lead ingot into the top-layer lead pot 2 or the middle-layer lead pot 9, starting a smoke removal purification system 10 and a closed lead melting device 23, melting the lead ingot into liquid lead through the closed lead melting device 23, finishing directional collection of lead smoke through the smoke removal purification system 10, starting a heating disc 19 and a temperature measuring device 17, preheating a lead shielding casting workpiece 7 through the heating disc 19, and monitoring the preheating temperature through the temperature measuring device 17;
(4) After the temperature measuring device 17 monitors that the temperature of the lead shielding casting workpiece 7 reaches a specified temperature, the lead inlet one-way valve 28 is opened, the gas control device 31 performs exhaust, during the exhaust process, liquid lead enters the auxiliary lead pot body 27, after the injection of the lead in the auxiliary lead pot body 27 is completed, the gas control device 31 performs air inlet, under the action of the gas pressure, the lead inlet one-way valve 28 is closed firstly, and then the liquid lead enters the casting cavity 15 of the lead shielding casting workpiece 7 through the lead conveying pipe 14;
(5) In the casting process, the lifting platform 6 acts, the lead shielding casting workpiece 7 descends along with the descending of the lifting platform 6 in the casting process, in the descending casting process, the tail end of the lead conveying pipe 14 is always kept 200mm below the lead liquid level at the inner side of the lead shielding casting workpiece 7, meanwhile, the height of the lead liquid level in the lead shielding casting workpiece 7 is determined through the temperature measuring device, when the liquid level exceeds the temperature measuring point of each layer, the heating disc 19 of the layer is firstly closed, heating is stopped, the spraying device 18 of the layer is controlled to cool the casting layer 20, and the like until the casting of the casting cavity 15 of the lead shielding casting workpiece 7 is completed, and casting of the lead liquid is stopped;
(6) And starting all spraying devices 18 around the lead shielding casting workpiece 7 to cool the lead shielding casting workpiece 7 to room temperature, lowering the lifting platform 6 to the lowest after cooling, and removing the fixing support 16, the spraying devices 18 and the temperature measuring device 17 to finish casting the lead shielding casting workpiece 7.
The invention has reasonable structural design, can ensure the lead shielding equivalent of the lead shielding container, avoid the radiation damage to operators and the environment caused by exceeding the standard of the radiation quantity, greatly improve the casting efficiency, reduce the labor intensity of the operators, ensure the product quality and have strong practicability, simultaneously realize the one-time continuous molding of the lead shielding container in a sealed environment, avoid the problems of faults, slag inclusion and the like of a lead shielding layer, avoid the damage of lead smoke generated in the casting process to human bodies, and improve the operation safety of the operators.
The present invention is not limited to the above-described embodiments, and variations, modifications, additions, or substitutions within the spirit and scope of the present invention will be within the scope of the present invention by those of ordinary skill in the art.
Claims (6)
1. Full-automatic lead shielding casting device, including base (8), its characterized in that: a three-layer steel support platform (1) is arranged on a base (8), a steel rail (4) is arranged on the base (8) below the three-layer steel support platform (1) correspondingly to the middle position of the three-layer steel support platform (1), a transfer trolley (5) is arranged on the steel rail (4), a lifting platform (6) is arranged on the transfer trolley (5), a lead shielding casting workpiece (7) is fixed on the lifting platform (6), a through hole (11) is arranged on the top layer platform of the three-layer steel support platform (1) correspondingly to the lead shielding casting workpiece (7), a top layer lead pot (2) is arranged around the through hole (11), a middle layer lead pot (9) is also arranged on the middle layer platform of the three-layer steel support platform (1) correspondingly to the lead shielding casting workpiece (7), and the top layer lead pot (2) and the middle layer lead pot (9) are both connected with a smoke removal purification system (10);
the lead shielding casting workpiece (7) comprises an inner cylinder (13) and an outer cylinder (12) which are connected into a whole, a casting cavity (15) is formed between the inner cylinder (13) and the outer cylinder (12), the lead shielding casting workpiece (7) is provided with heating discs (19) at equal intervals from top to bottom, the heating discs (19) divide the lead shielding casting workpiece (7) into a plurality of casting layers (20) from top to bottom, spraying devices (18) are arranged on the peripheries of the casting layers (20) respectively, the spraying devices (18) are fixed through fixing brackets (16) arranged on the heating discs (19), and each casting layer (20) of the lead shielding casting workpiece (7) is provided with a temperature measuring device (17), the spraying devices (18), the heating discs (19), a lifting platform (6), a top-layer lead pot (2), a middle-layer lead pot (9) and a smoke removal purifying system (10) are all connected with a control system;
the structure of the top-layer lead pot (2) is the same as that of the middle-layer lead pot (9), the top-layer lead pot (2) comprises a lead pot shell (21), a residual lead drain port (22) is arranged at the lower part of the lead pot shell (21), a lead adding platform (25) is arranged at one side of the corresponding lead pot shell (21), a closed lead melting device (23) and a power device (24) are arranged at the inner side of the lead pot shell (21), the power device (24) is connected with a lead conveying pipe (14), a lead outlet of the lead conveying pipe (14) corresponds to a casting cavity (15) of a lead shielding casting workpiece (7), a dust hood (26) is arranged at the top of the lead pot shell (21), a dust outlet of the dust hood (26) is connected with a smoke removing purification system (10), and the smoke removing purification system (10) is connected with a control system;
the top-layer lead pans (2) are arranged 4, the 4 top-layer lead pans (2) are arranged around the through hole (11) at intervals of 90 degrees, the middle-layer lead pans (9) are arranged 2, and the two lead pans are respectively arranged on middle-layer platforms of three-layer steel support platforms (1) on two sides of the lead shielding casting workpiece (7);
the power device (24) comprises an auxiliary lead pot body (27), a lead inlet pipeline (29) is arranged at the bottom of the auxiliary lead pot body (27), a lead inlet one-way valve (28) is arranged on the lead inlet pipeline (29), a gas control device (31) and a conveying pipeline (30) are arranged at the top of the auxiliary lead pot body (27), and the conveying pipeline (30) is connected with the lead conveying pipe (14);
the lead shield casting method based on the full-automatic lead shield casting device comprises the following steps of:
step one: the lifting platform (6) is lowered to the lowest position, the lead shielding casting workpiece (7) is fixed on the lifting platform (6), the lead shielding casting workpiece (7) is moved to a casting position below the three-layer steel supporting platform (1) through the cooperation of the steel rail (4) and the transfer trolley (5), the lead shielding casting workpiece (7) corresponds to the through hole (11) of the top layer, the fixing support (16) is arranged on the heating disc (19) at the periphery of the lead shielding casting workpiece (7), the spraying device (18) is fixed on the fixing support (16), the temperature measuring device (17) is arranged on the lead shielding casting workpiece (7), and the heating disc (19), the spraying device (18) and the temperature measuring device (17) are connected with the control system;
step two: lifting the lead shielding casting workpiece (7) to a lead filling position by the action of the lifting platform (6), and extending the lead conveying pipe (14) to the bottom of the casting cavity (15) of the lead shielding casting workpiece (7);
step three: putting a lead ingot into a top-layer lead pot (2) or a middle-layer lead pot (9), starting a smoke removal purification system (10) and a closed lead melting device (23), melting the lead ingot into liquid lead through the closed lead melting device (23), finishing directional collection of lead smoke through the smoke removal purification system (10), starting a heating disc (19) and a temperature measuring device (17), preheating a lead shielding casting workpiece (7) through the heating disc (19), and monitoring the preheating temperature through the temperature measuring device (17);
step four: after the temperature measuring device (17) monitors that the temperature of the lead shielding casting workpiece (7) reaches a specified temperature, a lead inlet one-way valve (28) is opened, a gas control device (31) is used for exhausting, liquid lead enters into an auxiliary lead pot body (27) in the exhausting process, after lead injection in the auxiliary lead pot body (27) is completed, the gas control device (31) is used for introducing gas, under the action of gas pressure, the lead inlet one-way valve (28) is closed firstly, and then the liquid lead enters into a casting cavity (15) of the lead shielding casting workpiece (7) through a lead conveying pipe (14);
step five: in the casting process, the lifting platform (6) acts, the lead shielding casting workpiece (7) descends along with the descending of the lifting platform (6) in the casting process, in the descending casting process, the tail end of the lead conveying pipe (14) is always kept 200mm below the lead liquid level at the inner side of the lead shielding casting workpiece (7), meanwhile, the height of the lead liquid level in the lead shielding casting workpiece (7) is determined through the temperature measuring device, when the liquid level exceeds the temperature measuring point of each layer, the heating disc (19) of the layer is closed firstly, heating is stopped, then the spraying device (18) of the layer is controlled to cool the casting layer (20), and the like is sequentially carried out until the casting of the casting cavity (15) of the lead shielding casting workpiece (7) is completed, and the casting of the lead liquid is stopped;
step six: and (3) starting all spraying devices (18) around the lead shielding casting workpiece (7) to cool the lead shielding casting workpiece (7) to room temperature, and after cooling, lowering the lifting platform (6) to the minimum, and dismantling the fixing support (16), the spraying devices (18) and the temperature measuring device (17), so that the casting of the lead shielding casting workpiece (7) is completed.
2. The fully automatic lead shield casting apparatus as claimed in claim 1, wherein: the side of the three-layer steel support platform (1) is provided with a guide rail type lifter (3), and the guide rail type lifter (3) is connected with a control system.
3. The fully automatic lead shield casting apparatus as claimed in claim 1, wherein: the spraying device (18) comprises a spraying pipe, the spraying pipe is fixed around the lead shielding casting workpiece (7), an atomization nozzle is arranged on the spraying pipe corresponding to the lead shielding casting workpiece (7), and the atomization nozzle is connected with the control system.
4. The fully automatic lead shield casting apparatus as claimed in claim 1, wherein: the temperature measuring device (17) adopts a thermocouple.
5. The fully automatic lead shield casting apparatus as claimed in claim 1, wherein: the number of the heating discs (19), the number of the spraying devices (18) and the number of the temperature measuring devices (17) are 5, and the heating discs are respectively corresponding to the lead shielding casting workpiece (7).
6. The fully automatic lead shield casting apparatus as claimed in claim 1, wherein: after the temperature measuring device (17) monitors that the temperature reaches 260 ℃, the lead inlet one-way valve (28) is opened.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711182081.1A CN107755674B (en) | 2017-11-23 | 2017-11-23 | Full-automatic lead shielding casting device and casting method |
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| CN201711182081.1A CN107755674B (en) | 2017-11-23 | 2017-11-23 | Full-automatic lead shielding casting device and casting method |
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| CN107755674A CN107755674A (en) | 2018-03-06 |
| CN107755674B true CN107755674B (en) | 2023-06-27 |
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| CN207533954U (en) * | 2017-11-23 | 2018-06-26 | 山东沃顿核辐射环境安全装备有限公司 | Full-automatic lead screen pouring device |
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| JP2002346734A (en) * | 2001-05-24 | 2002-12-04 | Yuasa Corp | Casting apparatus for grid body for lead battery |
| CN102157737A (en) * | 2011-03-16 | 2011-08-17 | 上海复华保护神电源有限公司 | Device and process for casting lead battery grid by rare earth alloy |
| CN202701358U (en) * | 2012-04-12 | 2013-01-30 | 重庆远风机械有限公司 | Linear type high position casting system with lead concentrated supply |
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