CN115338390A - Cooling protection equipment for chemical pump production - Google Patents
Cooling protection equipment for chemical pump production Download PDFInfo
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- CN115338390A CN115338390A CN202210811514.XA CN202210811514A CN115338390A CN 115338390 A CN115338390 A CN 115338390A CN 202210811514 A CN202210811514 A CN 202210811514A CN 115338390 A CN115338390 A CN 115338390A
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- cooling
- fixed
- molding sand
- heat dissipation
- lower die
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- 238000001816 cooling Methods 0.000 title claims abstract description 176
- 239000000126 substance Substances 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 230000017525 heat dissipation Effects 0.000 claims description 93
- 239000003110 molding sand Substances 0.000 claims description 85
- 238000003756 stirring Methods 0.000 claims description 43
- 239000011229 interlayer Substances 0.000 claims description 13
- 238000003825 pressing Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000000429 assembly Methods 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 9
- 239000004519 grease Substances 0.000 claims description 5
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims 1
- 239000000498 cooling water Substances 0.000 abstract description 26
- 238000005266 casting Methods 0.000 abstract description 11
- 239000000110 cooling liquid Substances 0.000 description 27
- 238000000034 method Methods 0.000 description 22
- 230000008569 process Effects 0.000 description 20
- 229910000831 Steel Inorganic materials 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 6
- 235000017491 Bambusa tulda Nutrition 0.000 description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 238000013021 overheating Methods 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000008595 infiltration Effects 0.000 description 4
- 238000001764 infiltration Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 241000209128 Bambusa Species 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention provides cooling protection equipment for chemical pump production, belongs to the field of chemical pump production, and solves the problem of overhigh internal temperature of a casting mold. The cooling protection device for the production of the chemical pump comprises a base, a bracket, a top plate, an upper die, a lower die, a cooling box and a cooling component; the support is fixed on the base, the top plate is fixed on the top of the support, a first air cylinder for controlling the upper die to move along the vertical direction is arranged on the top plate, a second air cylinder for controlling the lower die to move along the vertical direction is arranged on the top plate, a water inlet main pipe is fixed on the top plate, and the water inlet main pipe is connected with a water source; the upper die is positioned above the lower die, the upper die is matched with the lower die, the cooling box is fixed on the base, and the lower part of the lower die is positioned in the cooling box; the cooling assembly is arranged inside the lower die, and the lower end of the cooling assembly penetrates through the lower die and extends into the cooling box. In the invention, cooling water is used for rapidly cooling the interior of the lower die through the cooling assembly.
Description
Technical Field
The invention belongs to the field of chemical pump production, relates to cooling protection equipment, and particularly relates to cooling protection equipment for chemical pump production.
Background
Chemical pumps are generally divided into two categories, plunger pumps and centrifugal pumps; in the working process of the plunger pump, the motor drives the plunger to move, the pull rod drives the plunger to do reciprocating motion, and the pull rod generates a large amount of heat in the working process, so that cooling oil needs to be put into the oil tank, and the pull rod is cooled.
The structure of the existing oil tank is shown in fig. 1, wherein an oil tank 10 comprises three through holes, and one through hole is used for oil inlet; a through hole is used for connecting the end part of the motor, so that the power shaft of the motor extends into the oil tank 10 and is connected with the pull rod; the other through hole is used for the plunger piston to extend into the oil tank 10, and the pull rod is connected with the end part of the plunger piston to drive the plunger piston to do reciprocating motion.
The existing oil tank is generally cast iron and poured to form, a large amount of heat is generated inside the die in the pouring process, and the oil tank occupies a large space and is difficult to dissipate heat inside the die, so that extra cooling equipment is needed to dissipate heat of the die to protect the die from being damaged due to overheating.
Current cooling device is mostly dispels the heat to the mould surface, can't dispel the heat to mould inside, and the radiating efficiency is low, and the radiating effect is poor.
Disclosure of Invention
The invention aims to solve the problems in the prior art, provides cooling protection equipment for chemical pump production, and aims to solve the technical problems that: how to achieve a rapid temperature reduction of the casting mold.
The purpose of the invention can be realized by the following technical scheme:
a cooling protection device for chemical pump production comprises a base, a support, a top plate, an upper die, a lower die, a cooling box and a cooling assembly;
the support is fixed on the base, the top plate is fixed on the top of the support, a first air cylinder used for controlling the upper die to move along the vertical direction is arranged on the top plate, a second air cylinder used for controlling the lower die to move along the vertical direction is arranged on the top plate, a water inlet main pipe is fixed on the top plate, and the water inlet main pipe is connected with a water source;
the upper die is positioned above the lower die, the upper die is matched with the lower die, the cooling box is fixed on the base, and the lower part of the lower die is positioned in the cooling box;
a plurality of water inlet branch pipes are fixedly penetrated on the upper die, the upper ends of the water inlet branch pipes are communicated with the water inlet main pipe, and the lower ends of the water inlet branch pipes are inserted into the cooling assembly;
the lower end of the cooling assembly penetrates through the lower die and extends into the cooling box;
the upper die is provided with a pouring hole and an air outlet hole, the bottom of the upper die is provided with a mounting groove, a pressing plate is fixed in the mounting groove, the pressing plate is provided with a first through hole for the plurality of water inlet branch pipes to pass through, and two ends of the upper die are connected with a first air cylinder;
the lower mould has pours the storehouse, and the clamp plate compresses tightly the opening of pouring the storehouse, pours the storehouse bottom and is equipped with the second through-hole that supplies the cooling subassembly to pass, and the lower mould both sides are equipped with the fixed plate, and the fixed plate level is arranged, and the fixed plate is connected with the second cylinder.
The working principle of the invention is as follows: the second cylinder drives the lower die to move downwards and tightly press the upper surface of the cooling box, and the first cylinder drives the upper die to move downwards until the lower die and the upper die are matched for pouring; pouring the upper die through the pouring hole, and introducing cooling water into the water inlet main pipe after a casting piece is formed; cooling water passes through the third through hole and exchanges heat with the interior of the lower die, and the cooling water flows into the cooling box; the lower part of the pouring bin penetrates through the fourth through hole and extends into the cooling bin, and cooling water cools the outer part of the lower die; the radiating fins have good radiating effect on the lower die; the stirring paddle rotates, and cooling efficiency of cooling liquid to the radiating fins is improved. After the casting piece is molded, the upper die moves upwards to an initial position; the molding sand is smashed by using a tool, the poured and formed oil tank is taken out by using the tool, and then the upper die is cleaned to prepare for the next pouring; when the cooling box needs to be cleaned, the upper die is lifted upwards to clean the interior of the cooling box.
The cooling assembly comprises a fixed cylinder and a plurality of cooling plates; the utility model discloses a building of a building storehouse, including a fixed section of thick bamboo, a plurality of inlet branch pipes, a plurality of fixed section of thick bamboo, a plurality of heating panels, a plurality of third through-holes, the lower extreme one-to-one cooperation of a plurality of inlet branch pipes is inserted in a plurality of third through-holes, the lower extreme of a plurality of fixed section of thick bamboos passes the second through-hole, the inner peripheral sealing connection of fixed section of thick bamboos periphery and second through-hole, the upper end cooperation of a fixed section of thick bamboo inserts in the first through-hole, a plurality of heating panels are equidistant arranging side by side, the tip of heating panel and the interior perisporium fixed connection of a fixed section of thick bamboo, set up a plurality of third through-holes on the heating panel, the lower extreme one-to-one cooperation of a plurality of inlet branch pipes inserts in a plurality of third through-holes.
And a heat dissipation interlayer is arranged between every two adjacent heat dissipation plates, heat dissipation pieces are fixed in the heat dissipation interlayer and clamped between the corresponding two heat dissipation plates, heat dissipation silicone grease is coated between the heat dissipation pieces and the heat dissipation plates, and the lower parts of the heat dissipation pieces extend into the cooling bin.
By adopting the structure, the fixed cylinder and the plurality of heat dissipation plates penetrate through the lower die, the heat dissipation plates are provided with a plurality of third through holes, cooling water penetrates through the third through holes and exchanges heat with the interior of the lower die so as to rapidly cool the interior of the lower die, and the cooling water flows into the cooling box; the upper end of the fixed cylinder is inserted into the first through hole in a matching manner to form a sealing structure, so that molten steel is prevented from entering the first through hole to damage the upper die; the outer periphery of the fixed cylinder is hermetically connected with the inner periphery of the second through hole, so that the molten steel is prevented from entering the cooling box from the second through hole to damage the cooling box; wherein, the fixed cylinder can be welded with the lower die or integrally arranged to ensure the best sealing effect; the end part of the heat dissipation plate is fixedly connected with the inner peripheral wall of the fixed cylinder, the connection mode is simple, and replacement and installation are convenient.
A large amount of heat can be generated in the pouring process, a heat dissipation interlayer is arranged between every two adjacent heat dissipation plates, and the heat dissipation interlayer provides a buffer space for the heat expansion process of the heat dissipation plates and the heat dissipation pieces; simultaneously, the radiating piece can in time conduct the heating panel, and in the radiating piece lower part stretched into the cooling storehouse, can in time cool off, the radiating piece in the cooling storehouse with pour the storehouse and form heat-conducting bridge, both ends form huge difference in temperature about the radiating piece to be convenient for thermal quick transmission does benefit to the improvement to the radiating efficiency of pouring the storehouse inside. And heat dissipation silicone grease is coated between the heat dissipation part and the heat dissipation plate, so that the heat transfer efficiency is improved.
The middle part of the cooling box is provided with a cooling bin, the top of the cooling box is provided with a cover plate, the cover plate is horizontally fixed on the bracket, the middle part of the cover plate is provided with a fourth through hole, and the fourth through hole is communicated with the cooling bin; the fixing plate compresses the cover plate, the lower part of the pouring bin penetrates through the fourth through hole and extends into the cooling bin, and the depth of the cooling bin is greater than the height of the pouring bin; and a water outlet pipe is fixed on the upper part of the cooling bin and is connected with a water circulation system.
Structure more than adopting, pour the storehouse lower part and pass the fourth through-hole and stretch into inside the cooling storehouse, the cooling water cools off the outside of lower mould, has increased the area of contact between cooling water and the lower mould, improves the cooling efficiency to pouring the storehouse, realizes the inside and outside all-round heat dissipation to the lower mould, and then improves whole radiating efficiency.
Two rows of radiating fins are fixed at the bottom of the lower die, the radiating fins are arranged at equal intervals, and a space for the fixing cylinder, the radiating plate and the radiating piece to penetrate is reserved between the two rows of radiating fins.
Two stirring assemblies are arranged in the cooling box, the two stirring assemblies are respectively positioned right below the two rows of radiating fins, and a motor used for driving the stirring assemblies to rotate is fixed outside the cooling box.
The stirring assembly comprises a stirring shaft and a plurality of stirring paddles, the stirring paddles are arranged on the stirring shaft, a cooling space is formed between every two adjacent radiating fins, and the upper portions of the stirring paddles correspond to one another and are located in the cooling spaces.
By adopting the structure, the radiating fins are favorable for conducting heat and play a good role in radiating heat for the lower die, the lower ends of the radiating fins are soaked in the cooling liquid, the heat exchange area with the cooling liquid is increased, and the radiating efficiency is improved; in the rotating process of the stirring assembly, the cooling liquid is driven to be continuously mixed, so that the phenomenon of local overheating is avoided, and the best heat dissipation effect of the cooling liquid is ensured; meanwhile, the upper parts of the stirring paddles are correspondingly positioned in the plurality of cooling spaces one by one, and in the rotating process of the stirring paddles, the flow velocity of cooling liquid in the cooling spaces is increased, the cooling efficiency of the cooling liquid on the radiating fins in unit time is improved, and the integral cooling efficiency of the lower die is further improved. And a space for the fixing cylinder, the heat dissipation plate and the heat dissipation part to pass through is reserved between the two rows of heat dissipation fins, so that the cooling process of each part can be smoothly carried out without mutual interference.
And a drain pipe is fixed at the bottom of the cooling bin, and a valve is arranged on the drain pipe.
By adopting the structure, the blow-off pipe is convenient for cleaning the inside of the cooling bin.
The molding sand comprises first molding sand, second molding sand, third molding sand and fourth molding sand;
the first molding sand, the second molding sand and the third molding sand are all sleeved on the periphery of the fixing cylinder, the first molding sand is fixed on the second molding sand, the second molding sand is fixed on the third molding sand, the third molding sand is fixed at the bottom of the pouring bin, a blind hole is transversely arranged in the middle of the third molding sand, one end of the fourth molding sand is inserted into the blind hole in a matched mode, and the other end of the fourth molding sand abuts against the side wall of the pouring bin; the first molding sand and the third molding sand are annular, and the second molding sand is massive; the pressing plate compresses the top of the first molding sand.
By adopting the structure, the arrangement of the molding sand ensures that the casting shape of the oil tank is a preset shape; the clamp plate compresses tightly the top of first molding sand, and the other end of fourth molding sand supports with the lateral wall of pouring the storehouse and leans on, and the third molding sand is fixed in the bottom of pouring the storehouse to avoid the molten steel infiltration, guarantee that the oil tank forms the through-hole.
It should be noted that after the casting is formed, the upper die moves upward to the initial position; the molding sand is smashed by using a tool, the poured and formed oil tank is taken out by using the tool, and then the upper die is cleaned to prepare for the next pouring; when the cooling box needs to be cleaned, the upper die is lifted upwards to clean the interior of the cooling box.
Compared with the prior art, this chemical pump production is with cooling protection equipment has following advantage:
1. the upper die is poured through the pouring hole, and cooling water is used for rapidly cooling the inside of the lower die through the cooling assembly. A heat dissipation interlayer is arranged between every two adjacent heat dissipation plates and provides a buffer space for the heat expansion process of the heat dissipation plates and the heat dissipation pieces; simultaneously, the radiating piece can in time conduct the heating panel, and in the radiating piece lower part stretched into the cooling storehouse, can in time cool off, the radiating piece in the cooling storehouse with pour the storehouse and form heat-conducting bridge, both ends form huge difference in temperature about the radiating piece to be convenient for thermal quick transmission does benefit to the improvement to the radiating efficiency of pouring the storehouse inside.
2. The lower portion of the pouring bin penetrates through the fourth through hole and stretches into the cooling bin, the cooling water cools the outer portion of the lower die, the contact area between the cooling water and the lower die is increased, the cooling efficiency of the pouring bin is improved, the inner portion and the outer portion of the lower die are subjected to all-dimensional heat dissipation, and therefore the overall heat dissipation efficiency is improved.
3. The lower ends of the radiating fins are soaked in the cooling liquid, so that the heat exchange area with the cooling liquid is increased, and the radiating efficiency is improved; in the rotating process of the stirring component, the cooling liquid is driven to be continuously mixed, the phenomenon of local overheating is avoided, and the best heat dissipation effect of the cooling liquid is ensured. The upper portion one-to-one of stirring rake is located a plurality of cooling spaces, and the stirring rake rotates the in-process, has increased the velocity of flow of cooling liquid in the cooling space, has improved the cooling efficiency of cooling liquid to radiating fin in unit interval, and then improves the holistic cooling efficiency of lower mould. And a space for the fixing cylinder, the heat dissipation plate and the heat dissipation part to pass through is reserved between the two rows of heat dissipation fins, so that the cooling process of each part can be smoothly carried out without mutual interference.
4. The arrangement of the molding sand ensures that the casting shape of the oil tank is a preset shape; the clamp plate compresses tightly the top of first molding sand, and the other end of fourth molding sand supports with the lateral wall of pouring the storehouse and leans on, and the third molding sand is fixed in the bottom of pouring the storehouse to avoid the molten steel infiltration, guarantee that the oil tank forms the through-hole.
Drawings
Fig. 1 is a schematic structural view of a conventional fuel tank.
Fig. 2 is a front view of the present invention.
FIG. 3 is a schematic view of a part of the structure of the present invention.
Fig. 4 is an exploded view of fig. 3.
Fig. 5 is a schematic structural view of an upper die in the present invention.
Fig. 6 is a schematic view of the structure of the lower die in the present invention.
FIG. 7 is a schematic view of the internal structure of the lower mold in the present invention.
FIG. 8 is a schematic view of the cooling assembly of the present invention.
FIG. 9 is a schematic view of the connection between the lower mold and the cooling assembly of the present invention.
In the figure, 1, a base; 11. a support; 12. a top plate; 13. a first cylinder; 14. a second cylinder; 15. a motor; 2. an upper die; 21. a pouring hole; 22. an air outlet; 23. pressing a plate; 24. a first through hole; 3. a lower die; 31. a fixing plate; 32. a storehouse is poured; 33. a heat dissipating fin; 34. a second through hole; 35. a cooling space; 4. a cooling tank; 40. a fourth via hole; 41. a cover plate; 42. a cooling bin; 43. a stirring paddle; 44. a stirring shaft; 51. a water inlet main pipe; 52. a water inlet branch pipe; 53. a water outlet pipe; 54. a blow-off pipe; 6. a cooling assembly; 61. a fixed cylinder; 62. a heat dissipation plate; 63. a third through hole; 64. a heat dissipation interlayer; 7. molding sand; 71. first molding sand; 72. second molding sand; 73. third molding sand; 74. and fourthly, molding sand.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 2 to 9, the present embodiment provides a cooling protection device for chemical pump production, which includes a base 1, a bracket 11, a top plate 12, an upper die 2, a lower die 3, a cooling box 4, and a cooling assembly 6;
the support 11 is fixed on the base 1, the top plate 12 is fixed on the top of the support 11, the top plate 12 is provided with a first cylinder 13 used for controlling the upper die 2 to move along the vertical direction, the top plate 12 is provided with a second cylinder 14 used for controlling the lower die 3 to move along the vertical direction, the top plate 12 is fixed with a water inlet main pipe 51, and the water inlet main pipe 51 is connected with a water source;
the upper die 2 is positioned above the lower die 3, the upper die 2 is matched with the lower die 3, the cooling box 4 is fixed on the base 1, and the lower part of the lower die 3 is positioned in the cooling box 4;
a plurality of water inlet branch pipes 52 are fixedly penetrated on the upper die 2, the upper ends of the plurality of water inlet branch pipes 52 are communicated with the water inlet main pipe 51, and the lower ends of the plurality of water inlet branch pipes 52 are inserted into the cooling assembly 6;
the cooling assembly 6 is arranged inside the lower die 3, and the lower end of the cooling assembly 6 penetrates through the lower die 3 and extends into the cooling box 4.
The upper die 2 is provided with a pouring hole 21 and an air outlet hole 22, the bottom of the upper die 2 is provided with a mounting groove, a pressing plate 23 is fixed in the mounting groove, the pressing plate 23 is provided with a first through hole 24 for a plurality of water inlet branch pipes 52 to pass through, and two ends of the upper die 2 are connected with the first cylinder 13;
the lower die 3 is provided with a pouring bin 32, the pressing plate 23 presses an opening of the pouring bin 32 tightly, a second through hole 34 for the cooling assembly 6 to pass through is formed in the bottom of the pouring bin 32, fixing plates 31 are arranged on two sides of the lower die 3, the fixing plates 31 are horizontally arranged, and the fixing plates 31 are connected with the second air cylinder 14.
The second cylinder drives the lower die 3 to move downwards and press the upper surface of the cooling box 4, and the first cylinder 13 drives the upper die 2 to move downwards until the lower die and the upper die 3 are matched for a pouring process; go up mould 2 and 3 compound dies backs of lower mould, go up mould 2 and pour through pouring hole 21, after the casting shaping, inlet manifold 51 lets in the cooling water, and the cooling water carries out rapid cooling through cooling module 6 to the inside of lower mould 3, and simultaneously, in the cooling water got into cooler bin 4 to carry out rapid cooling to the outside of lower mould 3, avoid lower mould 3 to be damaged under high temperature.
The cooling module 6 includes a fixed cylinder 61 and a plurality of heat dissipation plates 62;
the fixed cylinder 61 and the heat dissipation plate 62 are fixed in the pouring bin 32 along the vertical direction, the lower end of the fixed cylinder 61 penetrates through the second through hole 34, the periphery of the fixed cylinder 61 is connected with the inner circumference of the second through hole 34 in a sealing mode, the upper end of the fixed cylinder 61 is matched and inserted into the first through hole 24, the heat dissipation plates 62 are arranged side by side at equal intervals, the end portion of each heat dissipation plate 62 is fixedly connected with the inner circumferential wall of the fixed cylinder 61, a plurality of third through holes 63 are formed in the heat dissipation plates 62, and the lower ends of the water inlet branch pipes 52 are matched and inserted into the third through holes 63 in a one-to-one correspondence mode.
A heat dissipation interlayer 64 is arranged between two adjacent heat dissipation plates 62, a heat dissipation member is fixed in the heat dissipation interlayer 64 and clamped between the two corresponding heat dissipation plates 62, heat dissipation silicone grease is coated between the heat dissipation member and the heat dissipation plates 62, and the lower part of the heat dissipation member extends into the cooling bin 42.
The fixed cylinder 61 and the plurality of heat dissipation plates 62 penetrate through the lower die 3, a plurality of third through holes 63 are formed in the heat dissipation plates 62, cooling water penetrates through the third through holes 63 and exchanges heat with the interior of the lower die 3 to rapidly cool the interior of the lower die 3, and the cooling water flows into the cooling box 4; the upper end of the fixed cylinder 61 is inserted into the first through hole 24 in a matching manner to form a sealing structure, so that the molten steel is prevented from entering the first through hole 24 to damage the upper die 2; the outer periphery of the fixed cylinder 61 is hermetically connected with the inner periphery of the second through hole 34, so that the molten steel is prevented from entering the cooling box 4 from the second through hole 34 to damage the cooling box 4; wherein, the fixed cylinder 61 can be welded with the lower die 3 or integrally arranged to ensure the best sealing effect; the end of the heat dissipation plate 62 is fixedly connected with the inner peripheral wall of the fixing cylinder 61, so that the connection mode is simple, and the replacement and installation are convenient.
A large amount of heat is generated in the pouring process, a heat dissipation interlayer 64 is arranged between every two adjacent heat dissipation plates 62, and the heat dissipation interlayer 64 provides a buffer space for the heat expansion process of the heat dissipation plates 62 and the heat dissipation elements; meanwhile, the radiating pieces can conduct the radiating plates 62 in time, the lower portions of the radiating pieces extend into the cooling bin 42 and can be cooled in time, the radiating pieces form heat-conducting bridges in the cooling bin 42 and the pouring bin 32, and the upper ends and the lower ends of the radiating pieces form huge temperature differences, so that heat can be rapidly transmitted conveniently, and the radiating efficiency of the interior of the pouring bin 32 can be improved. And heat dissipation silicone grease is coated between the heat dissipation member and the heat dissipation plate 62, so that the heat transfer efficiency is improved.
A cooling bin 42 is arranged in the middle of the cooling box 4, a cover plate 41 is arranged at the top of the cooling box 4, the cover plate 41 is horizontally fixed on the support 11, a fourth through hole 40 is formed in the middle of the cover plate 41, and the fourth through hole 40 is communicated with the cooling bin 42; the fixing plate 31 presses the cover plate 41 tightly, the lower part of the pouring bin 32 penetrates through the fourth through hole 40 and extends into the cooling bin 42, and the depth of the cooling bin 42 is greater than the height of the pouring bin 32; a water outlet pipe 53 is fixed on the upper part of the cooling bin 42, and the water outlet pipe 53 is connected with a water circulation system.
Pour the storehouse 32 lower part and pass fourth through-hole 40 and stretch into inside cooling bin 42, the cooling water cools off the outside of lower mould 3, has increased the area of contact between cooling water and the lower mould 3, improves the cooling efficiency to pouring storehouse 32, realizes the inside and outside all-round heat dissipation to lower mould 3, and then improves whole radiating efficiency.
Two rows of radiating fins 33 are fixed at the bottom of the lower die 3, the radiating fins 33 are arranged at equal intervals, and a space for the fixing cylinder 61, the radiating plate 62 and the radiating element to pass through is reserved between the two rows of radiating fins 33.
Two stirring assemblies are arranged in the cooling box 4, the two stirring assemblies are respectively positioned right below the two rows of radiating fins 33, and a motor 15 for driving the stirring assemblies to rotate is fixed outside the cooling box 4.
The stirring assembly comprises a stirring shaft 44 and a plurality of stirring paddles 43, wherein the stirring paddles 43 are arranged on the stirring shaft 44, a cooling space 35 is formed between two adjacent radiating fins 33, and the upper parts of the plurality of stirring paddles 43 are correspondingly positioned in the plurality of cooling spaces 35 one by one.
The heat dissipation fins 33 are beneficial to conducting heat and play a good role in dissipating heat of the lower die 3, the lower ends of the heat dissipation fins 33 are soaked in the cooling liquid, the heat exchange area between the heat dissipation fins and the cooling liquid is increased, and the heat dissipation efficiency is improved; in the rotating process of the stirring assembly, the cooling liquid is driven to be continuously mixed, so that the phenomenon of local overheating is avoided, and the best heat dissipation effect of the cooling liquid is ensured; meanwhile, the upper parts of the stirring paddles 43 are located in the plurality of cooling spaces 35 in a one-to-one correspondence manner, and in the rotating process of the stirring paddles 43, the flow velocity of the cooling liquid in the cooling spaces 35 is increased, the cooling efficiency of the cooling liquid to the radiating fins 33 in unit time is improved, and further the overall cooling efficiency of the lower die 3 is improved. A space for the fixed cylinder 61, the heat dissipation plate 62 and the heat dissipation member to pass through is reserved between the two rows of heat dissipation fins 33, so that the cooling process of each component can be smoothly carried out without mutual interference.
A drain pipe 54 is fixed at the bottom of the cooling bin 42, and a valve is arranged on the drain pipe 54;
the waste pipe 54 facilitates cleaning of the interior of the cooling chamber 42.
The molding sand 7 includes first molding sand 71, second molding sand 72, third molding sand 73, and fourth molding sand 74; first molding sand 71, second molding sand 72 and third molding sand 73 are all sleeved on the periphery of the fixing cylinder 61, the first molding sand 71 is fixed on the second molding sand 72, the second molding sand 72 is fixed on the third molding sand 73, the third molding sand 73 is fixed at the bottom of the pouring bin 32, a blind hole is transversely formed in the middle of the third molding sand 73, one end of the fourth molding sand 74 is inserted into the blind hole in a matched mode, and the other end of the fourth molding sand 74 abuts against the side wall of the pouring bin 32; the first molding sand 71 and the third molding sand 73 have a ring shape, and the second molding sand 72 has a block shape. The pressing plate 23 presses the top of the first molding sand 71.
The provision of the molding sand 7 ensures that the cast shape of the oil tank 10 is a predetermined shape; the clamp plate 23 compresses tightly the top of the first molding sand 71, the other end of the fourth molding sand 74 abuts against the side wall of the pouring bin 32, and the third molding sand 73 is fixed at the bottom of the pouring bin 32 to avoid molten steel infiltration and ensure that the oil tank forms a through hole.
It should be noted that, after the casting is formed, the upper die 2 moves upward to the initial position; the molding sand 7 is smashed by using a tool, the poured and formed oil tank 10 is taken out by using the tool, and then the upper die 3 is cleaned to prepare for the next pouring; when the cooling box 4 needs to be cleaned, the upper die 3 is lifted upward to clean the inside of the cooling box 4.
The working principle of the invention is as follows: the second cylinder drives the lower die to move downwards and tightly press the upper surface of the cooling box, and the first cylinder drives the upper die to move downwards until the lower die and the upper die are matched for pouring; pouring the upper die through the pouring hole, and introducing cooling water into the water inlet main pipe after the cast part is formed; cooling water passes through the third through hole and exchanges heat with the interior of the lower die to rapidly cool the interior of the lower die, and the cooling water flows into the cooling box; the lower part of the pouring bin penetrates through the fourth through hole and extends into the cooling bin, and cooling water cools the outer part of the lower die; the radiating fins are favorable for conducting heat and play a good role in radiating the lower die; in the rotating process of the stirring paddle, the flow velocity of cooling liquid in the cooling space is increased, the cooling efficiency of the cooling liquid on the radiating fins in unit time is improved, and the cooling efficiency of the whole lower die is further improved. After the casting piece is formed, the upper die moves upwards to an initial position; the molding sand is smashed by using a tool, the poured and formed oil tank is taken out by using the tool, and then the upper die is cleaned to prepare for the next pouring; when the cooling box needs to be cleaned, the upper die is lifted upwards to clean the interior of the cooling box.
In summary, in the invention, the upper die is poured through the pouring hole, and the cooling water rapidly cools the interior of the lower die through the cooling assembly. A heat dissipation interlayer is arranged between every two adjacent heat dissipation plates and provides a buffer space for the heat expansion process of the heat dissipation plates and the heat dissipation pieces; simultaneously, the radiating piece can in time conduct the heating panel, and in the radiating piece lower part stretched into the cooling storehouse, can in time cool off, the radiating piece in the cooling storehouse with pour the storehouse and form heat-conducting bridge, both ends form huge difference in temperature about the radiating piece to be convenient for thermal quick transmission does benefit to the improvement to the radiating efficiency of pouring the storehouse inside.
The lower portion of the pouring bin penetrates through the fourth through hole and stretches into the cooling bin, the cooling water cools the outer portion of the lower die, the contact area between the cooling water and the lower die is increased, the cooling efficiency of the pouring bin is improved, the inner portion and the outer portion of the lower die are subjected to all-dimensional heat dissipation, and therefore the overall heat dissipation efficiency is improved.
The lower ends of the radiating fins are soaked in the cooling liquid, so that the heat exchange area with the cooling liquid is increased, and the radiating efficiency is improved; in the rotating process of the stirring component, the cooling liquid is driven to be continuously mixed, the phenomenon of local overheating is avoided, and the best heat dissipation effect of the cooling liquid is ensured.
The upper portion one-to-one of stirring rake is located a plurality of cooling spaces, and the stirring rake rotates the in-process, has increased the velocity of flow of cooling liquid in the cooling space, has improved the cooling efficiency of cooling liquid to radiating fin in unit interval, and then improves the holistic cooling efficiency of lower mould.
The arrangement of the molding sand ensures that the casting shape of the oil tank is a preset shape; the clamp plate compresses tightly the top of first molding sand, and the other end of fourth molding sand supports with the lateral wall of pouring the storehouse and leans on, and the third molding sand is fixed in the bottom of pouring the storehouse to avoid the molten steel infiltration, guarantee that the oil tank forms the through-hole.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (10)
1. A cooling protection device for chemical pump production comprises a base (1), a support (11), a top plate (12), an upper die (2) and a lower die (3), and is characterized by further comprising a cooling box (4) and a cooling assembly (6);
the support (11) is fixed on the base (1), the top plate (12) is fixed on the top of the support (11), a first air cylinder (13) used for controlling the upper die (2) to move along the vertical direction is arranged on the top plate (12), a second air cylinder (14) used for controlling the lower die (3) to move along the vertical direction is arranged on the top plate (12), a water inlet main pipe (51) is fixed on the top plate (12), and the water inlet main pipe (51) is connected with a water source;
the upper die (2) is positioned above the lower die (3), the upper die (2) is matched with the lower die (3), the cooling box (4) is fixed on the base (1), and the lower part of the lower die (3) is positioned in the cooling box (4);
a plurality of water inlet branch pipes (52) penetrate through and are fixed on the upper die (2), the upper ends of the water inlet branch pipes (52) are communicated with a water inlet main pipe (51), and the lower ends of the water inlet branch pipes (52) are inserted into the cooling assembly (6);
the cooling assembly (6) is arranged inside the lower die (3), and the lower end of the cooling assembly (6) penetrates through the lower die (3) and extends into the cooling box (4).
2. The cooling protection device for the chemical pump production according to claim 1, wherein the upper die (2) is provided with a pouring hole (21) and an air outlet hole (22), the bottom of the upper die (2) is provided with a mounting groove, a pressing plate (23) is fixed in the mounting groove, the pressing plate (23) is provided with a first through hole (24) for a plurality of water inlet branch pipes (52) to pass through, and two ends of the upper die (2) are connected with the first cylinder (13);
the lower die (3) is provided with a pouring bin (32), the pressing plate (23) presses an opening of the pouring bin (32), a second through hole (34) for the cooling assembly (6) to penetrate through is formed in the bottom of the pouring bin (32), fixing plates (31) are arranged on two sides of the lower die (3), the fixing plates (31) are horizontally arranged, and the fixing plates (31) are connected with the second air cylinder (14).
3. The cooling protection device for the chemical pump production according to claim 2, wherein the cooling assembly (6) comprises a fixed cylinder (61) and a plurality of cooling plates (62);
fixed cylinder (61) and heating panel (62) are all fixed in pouring storehouse (32) along vertical direction, the lower extreme of fixed cylinder (61) passes second through-hole (34), the interior peripheral seal of fixed cylinder (61) periphery and second through-hole (34) is connected, the upper end cooperation of fixed cylinder (61) is inserted in first through-hole (24), a plurality of heating panels (62) are equidistant to be arranged side by side, the tip of heating panel (62) and the internal perisporium fixed connection of fixed cylinder (61), set up a plurality of third through-holes (63) on heating panel (62), the lower extreme one-to-one cooperation of a plurality of branch pipes of intaking (52) is inserted in a plurality of third through-holes (63).
4. The cooling protection device for the chemical pump production according to claim 3, wherein a heat dissipation interlayer (64) is arranged between two adjacent heat dissipation plates (62), a heat dissipation member is fixed in the heat dissipation interlayer (64), the heat dissipation member is clamped between the two corresponding heat dissipation plates (62), heat dissipation silicone grease is coated between the heat dissipation member and the heat dissipation plates (62), and the lower portion of the heat dissipation member extends into the cooling bin (42).
5. The cooling protection device for the chemical pump production according to claim 4, wherein a cooling bin (42) is arranged in the middle of the cooling tank (4), a cover plate (41) is arranged at the top of the cooling tank (4), the cover plate (41) is horizontally fixed on the support (11), a fourth through hole (40) is formed in the middle of the cover plate (41), and the fourth through hole (40) is communicated with the cooling bin (42);
the fixing plate (31) compresses the cover plate (41), the lower part of the pouring bin (32) penetrates through the fourth through hole (40) and extends into the cooling bin (42), and the depth of the cooling bin (42) is greater than the height of the pouring bin (32);
and a water outlet pipe (53) is fixed at the upper part of the cooling bin (42), and the water outlet pipe (53) is connected with a water circulation system.
6. The cooling protection device for the chemical pump production according to claim 5, wherein two rows of heat dissipation fins (33) are fixed at the bottom of the lower die (3), the heat dissipation fins (33) are arranged at equal intervals, and a space for the fixing cylinder (61), the heat dissipation plate (62) and the heat dissipation member to pass through is reserved between the two rows of heat dissipation fins (33).
7. The cooling protection device for the chemical pump production according to claim 6, wherein two stirring assemblies are arranged in the cooling tank (4), the two stirring assemblies are respectively located under the two rows of radiating fins (33), and a motor (15) for driving the stirring assemblies to rotate is fixed outside the cooling tank (4).
8. The cooling protection device for the chemical pump production according to claim 7, wherein the stirring assembly comprises a stirring shaft (44) and a plurality of stirring paddles (43), the stirring paddles (43) are arranged on the stirring shaft (44), a cooling space (35) is formed between two adjacent radiating fins (33), and the upper portions of the plurality of stirring paddles (43) are located in the plurality of cooling spaces (35) in a one-to-one correspondence manner.
9. The cooling protection device for the production of chemical pumps according to claim 8, characterized in that the molding sand (7) comprises a first molding sand (71), a second molding sand (72), a third molding sand (73) and a fourth molding sand (74);
first molding sand (71), second molding sand (72) and third molding sand (73) are all established in the periphery of solid fixed cylinder (61), first molding sand (71) is fixed on second molding sand (72), second molding sand (72) is fixed on third molding sand (73), third molding sand (73) is fixed in the bottom of pouring storehouse (32), third molding sand (73) middle part sets up the blind hole along transversely, the one end cooperation of fourth molding sand (74) is inserted in this blind hole, the other end of fourth molding sand (74) leans on with the lateral wall of pouring storehouse (32);
the first molding sand (71) and the third molding sand (73) are annular, and the second molding sand (72) is massive;
the pressing plate (23) presses the top of the first molding sand (71).
10. The cooling protection device for the chemical pump production according to claim 5, wherein a drain pipe (54) is fixed at the bottom of the cooling bin (42), and a valve is arranged on the drain pipe (54).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210811514.XA CN115338390B (en) | 2022-07-11 | 2022-07-11 | Cooling protection equipment for chemical pump production |
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|---|---|---|---|
| CN202210811514.XA CN115338390B (en) | 2022-07-11 | 2022-07-11 | Cooling protection equipment for chemical pump production |
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| CN115338390B CN115338390B (en) | 2024-05-17 |
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