CN115338390B - Cooling protection equipment for chemical pump production - Google Patents
Cooling protection equipment for chemical pump production Download PDFInfo
- Publication number
- CN115338390B CN115338390B CN202210811514.XA CN202210811514A CN115338390B CN 115338390 B CN115338390 B CN 115338390B CN 202210811514 A CN202210811514 A CN 202210811514A CN 115338390 B CN115338390 B CN 115338390B
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- cooling
- fixed
- heat dissipation
- bin
- lower die
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- 238000001816 cooling Methods 0.000 title claims abstract description 186
- 239000000126 substance Substances 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 230000017525 heat dissipation Effects 0.000 claims description 106
- 239000004576 sand Substances 0.000 claims description 86
- 238000003756 stirring Methods 0.000 claims description 42
- 239000011229 interlayer Substances 0.000 claims description 13
- 238000003825 pressing Methods 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 9
- 239000004519 grease Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- 238000005266 casting Methods 0.000 abstract description 31
- 239000000498 cooling water Substances 0.000 abstract description 25
- 239000000110 cooling liquid Substances 0.000 description 27
- 238000000034 method Methods 0.000 description 20
- 230000000694 effects Effects 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 238000000429 assembly Methods 0.000 description 5
- 230000000712 assembly Effects 0.000 description 5
- 238000013021 overheating Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
Landscapes
- 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 temperature inside 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 assembly; the support is fixed on the base, the top plate is fixed on the top of the support, a first cylinder for controlling the upper die to move along the vertical direction is arranged on the top plate, a second cylinder for controlling the lower die to move along the vertical direction is arranged on the top plate, and a water inlet main pipe is fixed on the top plate and 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 component is arranged inside the lower die, and the lower end of the cooling component penetrates through the lower die and stretches into the cooling box. In the invention, the cooling water rapidly cools the inside of the lower die through the cooling component.
Description
Technical Field
The invention belongs to the field of chemical pump production, and relates to cooling protection equipment, in particular to cooling protection equipment for chemical pump production.
Background
Chemical pumps are generally divided into two main types, namely 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 reciprocate, and a large amount of heat is generated by the pull rod in working, so that cooling oil is required to be put into the oil tank, and the pull rod is cooled.
The structure of the conventional oil tank is shown in fig. 1, and the oil tank 10 includes three through holes, one through hole for oil intake; 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 a pull rod; the other through hole is used for the plunger to extend into the oil tank 10, and the pull rod is connected with the end part of the plunger to drive the plunger to reciprocate.
The existing oil tank is generally formed by casting cast iron, a large amount of heat is generated in the die in the casting process, and because the oil tank occupies a large space, the heat dissipation in the die is difficult, so that extra cooling equipment is needed for dissipating the heat of the die to protect the die from damage caused by overheating.
Most of the existing cooling equipment dissipates heat on the surface of the die, cannot dissipate heat inside the die, and is low in heat dissipation efficiency and poor in heat dissipation effect.
Disclosure of Invention
The invention aims at solving the problems in the prior art, and provides cooling protection equipment for chemical pump production, which aims to solve the technical problems that: how to achieve a rapid decrease in the temperature of the casting mold.
The aim of the invention can be achieved by the following technical scheme:
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 assembly;
the support is fixed on the base, the top plate is fixed on the top of the support, a first cylinder for controlling the upper die to move in the vertical direction is arranged on the top plate, a second cylinder for controlling the lower die to move in the vertical direction is arranged on the top plate, and a water inlet main pipe is fixed on the top plate and 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 upper die is fixedly penetrated by a plurality of water inlet branch pipes, 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 cooling component is arranged in the lower die, and the lower end of the cooling component penetrates through the lower die and stretches 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, a first through hole for a plurality of water inlet branch pipes to pass through is formed in the pressing plate, and two ends of the upper die are connected with a first cylinder;
The lower mould has a pouring bin, the pressure plate compresses tightly the opening of pouring bin, pouring bin bottom 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 clamped so as to perform the pouring process; pouring the upper die through a pouring hole, and introducing cooling water into a water inlet main pipe after the casting piece is molded; the cooling water passes through the third through hole and exchanges heat with the inside of the lower die, and the cooling water flows into the cooling box; the lower part of the pouring bin passes through the fourth through hole and stretches into the cooling bin, and cooling water cools the outside of the lower die; the radiating fins play a good role in radiating heat to the lower die; the stirring paddle rotates, so that the cooling efficiency of the cooling liquid on the radiating fins is improved. After the casting piece is molded, the upper die moves upwards to an initial position; the sand mould is smashed by using a tool, the oil tank formed by casting is taken out by the tool, and then the upper mould is cleaned so as to prepare for the next casting; when the cooling box needs to be cleaned, the upper die is lifted upwards to clean the inside of the cooling box.
The cooling component comprises a fixed cylinder and a plurality of cooling plates; the fixed cylinder and the cooling plate are fixed in the pouring bin along the vertical direction, the lower end of the fixed cylinder penetrates through the second through hole, the periphery of the fixed cylinder is in sealing connection with the inner periphery of the second through hole, the upper end of the fixed cylinder is matched and inserted into the first through hole, the cooling plates are arranged side by side at equal intervals, the end parts of the cooling plates are fixedly connected with the inner peripheral wall of the fixed cylinder, a plurality of third through holes are formed in the cooling plates, and the lower ends of the water inlet branch pipes are matched and inserted into the third through holes one by one.
A heat dissipation interlayer is arranged between two adjacent heat dissipation plates, a heat dissipation part is fixed in the heat dissipation interlayer, the heat dissipation part is clamped between the two corresponding heat dissipation plates, heat dissipation silicone grease is coated between the heat dissipation part and the heat dissipation plates, and the lower part of the heat dissipation part extends into the cooling bin.
With the structure, the fixed cylinder and the plurality of radiating plates penetrate through the lower die, the radiating plates are provided with the plurality of third through holes, and cooling water penetrates through the third through holes and exchanges heat with the inside of the lower die so as to rapidly cool the inside of the lower die and flow into the cooling box; the upper end of the fixed cylinder is inserted into the first through hole in a matched manner to form a sealing structure, so that the upper die is prevented from being damaged due to molten steel entering the first through hole; the outer periphery of the fixed cylinder is in sealing connection with the inner periphery of the second through hole, so that 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 or integrally arranged with the lower die to ensure that the sealing effect is best; the end of the heat radiation plate is fixedly connected with the inner peripheral wall of the fixed cylinder, and the connection mode is simple and convenient to replace and install.
A large amount of heat is generated in the casting process, a heat dissipation interlayer is arranged between 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 parts; simultaneously, the radiating piece can in time conduct the heating panel, and the radiating piece lower part stretches into in the cooling bin, can cool off in time, and the radiating piece forms the bridge of heat conduction in the cooling bin and pouring bin, and the radiating piece upper and lower both ends form huge difference in temperature to be convenient for thermal quick transfer, thereby do benefit to the improvement to the inside radiating efficiency of pouring bin. And heat dissipation silicone grease is coated between the heat dissipation piece 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 which 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 fixed plate compresses the cover plate, the lower part of the pouring bin passes through the fourth through hole and stretches into the cooling bin, and the depth of the cooling bin is larger than the height of the pouring bin; the upper part of the cooling bin is fixedly provided with a water outlet pipe which is connected with a water circulation system.
By adopting the structure, the lower part of the pouring bin penetrates through the fourth through hole and stretches into the cooling bin, the cooling water cools the outer part 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 omnibearing heat dissipation of the inner part and the outer part of the lower die is realized, and the overall heat dissipation efficiency is further improved.
Two rows of radiating fins are fixed at the bottom of the lower die, a plurality of radiating fins are arranged at equal intervals, and a space for the fixed cylinder, the radiating plate and the radiating piece to pass through 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 under the two rows of radiating fins, and a motor 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 two adjacent radiating fins, and the upper parts of the stirring paddles are located in the cooling spaces in a one-to-one correspondence manner.
By adopting the structure, the radiating fins are beneficial to heat conduction, have good radiating effect on the lower die, and 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 rotation 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; simultaneously, the upper portion one-to-one correspondence 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 the unit time, and then improves the holistic cooling efficiency of lower mould. Space for the fixed cylinder, the heat dissipation plate and the heat dissipation piece to pass through is reserved between the two rows of heat dissipation fins, and the cooling process of each part can be smoothly carried out without mutual interference.
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 drain pipe is convenient for cleaning the inside of the cooling bin.
The sand mold comprises a first sand mold, a second sand mold, a third sand mold and a fourth sand mold;
The first sand mold, the second sand mold and the third sand mold are all sleeved on the periphery of the fixed cylinder, the first sand mold is fixed on the second sand mold, the second sand mold is fixed on the third sand mold, the third sand mold is fixed at the bottom of the pouring bin, a blind hole is formed in the middle of the third sand mold along the transverse direction, one end of the fourth sand mold is inserted into the blind hole in a matched mode, and the other end of the fourth sand mold is abutted to the side wall of the pouring bin; the first sand mold and the third sand mold are annular in shape, and the second sand mold is blocky; the pressing plate presses the top of the first sand mold.
With the adoption of the structure, the sand mold ensures that the casting shape of the oil tank is a preset shape; the top of first sand mould is compressed tightly to the clamp plate, and the other end of fourth sand mould is supported with the lateral wall in pouring storehouse and is leaned on, and the bottom in pouring storehouse is fixed to the third sand mould to avoid the molten steel infiltration, guarantee that the oil tank forms the through-hole.
After the casting piece is molded, the upper die moves upwards to an initial position; the sand mould is smashed by using a tool, the oil tank formed by casting is taken out by the tool, and then the upper mould is cleaned so as to prepare for the next casting; when the cooling box needs to be cleaned, the upper die is lifted upwards to clean the inside of the cooling box.
Compared with the prior art, the cooling protection equipment for the chemical pump production has the following advantages:
1. The upper die is poured through the pouring hole, and cooling water rapidly cools the inside of the lower die through the cooling component. A heat dissipation interlayer is arranged between two adjacent heat dissipation plates, and provides a buffer space for the heat expansion process of the heat dissipation plates and the heat dissipation parts; simultaneously, the radiating piece can in time conduct the heating panel, and the radiating piece lower part stretches into in the cooling bin, can cool off in time, and the radiating piece forms the bridge of heat conduction in the cooling bin and pouring bin, and the radiating piece upper and lower both ends form huge difference in temperature to be convenient for thermal quick transfer, thereby do benefit to the improvement to the inside radiating efficiency of pouring bin.
2. The pouring bin lower part passes the fourth through-hole and stretches into inside the cooling bin, and 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 the pouring bin, realizes the omnidirectional heat dissipation to the inside and the outside of lower mould, and then improves whole radiating efficiency.
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 rotation process of the stirring assembly, 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 portions of the stirring paddles are located in the cooling spaces in a one-to-one correspondence mode, the flow speed of cooling liquid in the cooling spaces is increased in the rotation process of the stirring paddles, the cooling efficiency of the cooling liquid to the cooling fins in unit time is improved, and the overall cooling efficiency of the lower die is further improved. Space for the fixed cylinder, the heat dissipation plate and the heat dissipation piece to pass through is reserved between the two rows of heat dissipation fins, and the cooling process of each part can be smoothly carried out without mutual interference.
4. The arrangement of the sand mold ensures that the casting shape of the oil tank is a preset shape; the top of first sand mould is compressed tightly to the clamp plate, and the other end of fourth sand mould is supported with the lateral wall in pouring storehouse and is leaned on, and the bottom in pouring storehouse is fixed to the third sand mould to avoid the molten steel infiltration, guarantee that the oil tank forms the through-hole.
Drawings
Fig. 1 is a schematic 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 view of the upper die structure 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 die in the present invention.
FIG. 8 is a schematic diagram of a cooling module according to the present invention.
FIG. 9 is a schematic diagram showing the connection relationship between the lower die and the cooling assembly in the present invention.
In the figure, 1, a base; 11. a bracket; 12. a top plate; 13. a first cylinder; 14. a second cylinder; 15. a motor; 2. an upper die; 21. pouring holes; 22. an air outlet hole; 23. a pressing plate; 24. a first through hole; 3. a lower die; 31. a fixing plate; 32. pouring bin; 33. a heat radiation fin; 34. a second through hole; 35. cooling the space; 4. a cooling box; 40. a fourth through hole; 41. a cover plate; 42. a cooling bin; 43. stirring paddles; 44. a stirring shaft; 51. a water inlet main pipe; 52. a water inlet branch pipe; 53. a water outlet pipe; 54. a blow-down pipe; 6. a cooling component; 61. a fixed cylinder; 62. a heat dissipation plate; 63. a third through hole; 64. a heat dissipation interlayer; 7. sand mold; 71. a first sand mold; 72. a second sand mold; 73. a third sand mold; 74. and a fourth sand mold.
Description of the embodiments
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 2-9, the embodiment provides a cooling protection device for chemical pump production, which comprises 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, a first cylinder 13 for controlling the upper die 2 to move in the vertical direction is arranged on the top plate 12, a second cylinder 14 for controlling the lower die 3 to move in the vertical direction is arranged on the top plate 12, the water inlet main 51 is fixed on the top plate 12, and the water inlet main 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 inside the cooling box 4;
the upper die 2 is fixedly penetrated by a plurality of water inlet branch pipes 52, the upper ends of the water inlet branch pipes 52 are communicated with the 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 component 6 is arranged inside the lower die 3, and the lower end of the cooling component 6 penetrates through the lower die 3 and stretches 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, a first through hole 24 for a plurality of water inlet branch pipes 52 to pass through is arranged on the pressing plate 23, 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 the opening of the pouring bin 32, a second through hole 34 for the cooling component 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 14 drives the lower die 3 to move downwards and tightly presses 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 3 and the upper die 2 are clamped so as to perform a pouring process; after the upper die 2 and the lower die 3 are assembled, the upper die 2 is poured through the pouring hole 21, after a casting piece is molded, cooling water is introduced into the water inlet main pipe 51, the cooling water rapidly cools the inside of the lower die 3 through the cooling component 6, and meanwhile, the cooling water enters the cooling box 4 to rapidly cool the outside of the lower die 3, so that the lower die 3 is prevented from being damaged at a high temperature.
The cooling module 6 includes a fixed cylinder 61 and a plurality of cooling 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 outer periphery of the fixed cylinder 61 is in sealing connection with the inner periphery of the second through hole 34, the upper end of the fixed cylinder 61 is matched and inserted into the first through hole 24, the plurality of heat dissipation plates 62 are arranged side by side at equal intervals, the end parts of the heat dissipation plates 62 are fixedly connected with the inner peripheral wall of the fixed cylinder 61, a plurality of third through holes 6463 are formed in the heat dissipation plates 62, and the lower ends of the plurality of water inlet branch pipes 52 are matched and inserted into the plurality of third through holes 6463 one by one.
A heat dissipation interlayer is arranged between two adjacent heat dissipation plates 62, a heat dissipation piece is fixed in the heat dissipation interlayer, the heat dissipation piece is clamped between the two corresponding heat dissipation plates 62, heat dissipation silicone grease is coated between the heat dissipation piece and the heat dissipation plates 62, and the lower part of the heat dissipation piece extends into the cooling bin 42.
The fixed cylinder 61 and the plurality of radiating plates 62 penetrate through the lower die 3, the radiating plates 62 are provided with a plurality of third through holes 6463, and cooling water penetrates through the third through holes 6463 and exchanges heat with the inside of the lower die 3 so as to rapidly cool the inside 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 way to form a sealing structure, so that the upper die 2 is prevented from being damaged due to molten steel entering the first through hole 24; the outer periphery of the fixed cylinder 61 is in sealing connection with the inner periphery of the second through hole 34, so that molten steel is prevented from entering the cooling tank 4 from the second through hole 34 to damage the cooling tank 4; wherein, the fixed cylinder 61 can be welded or integrally arranged with the lower die 3 to ensure that the sealing effect is best; the end of the heat radiation plate 62 is fixedly connected with the inner peripheral wall of the fixed cylinder 61, and the connection mode is simple and convenient for replacement and installation.
A large amount of heat is generated in the casting process, a heat dissipation interlayer is arranged between two adjacent heat dissipation plates 62, and the heat dissipation interlayer provides a buffer space for the heat expansion process of the heat dissipation plates 62 and the heat dissipation parts; meanwhile, the heat dissipation part can timely conduct the heat dissipation plate 62, the lower part of the heat dissipation part stretches into the cooling bin 42 and can be cooled timely, the heat dissipation part forms a heat conduction bridge in the cooling bin 42 and the pouring bin 32, and the upper end and the lower end of the heat dissipation part form a huge temperature difference, so that heat is conveniently and rapidly transferred, and the heat dissipation efficiency of the inside of the pouring bin 32 is improved. Heat dissipation silicone grease is coated between the heat dissipation member and the heat dissipation plate 62 to improve heat transfer efficiency.
The middle part of the cooling box 4 is provided with a cooling bin 42, the top of the cooling box 4 is provided with a cover plate 41, the cover plate 41 is horizontally fixed on the bracket 11, the middle part of the cover plate 41 is provided with a fourth through hole 40, and the fourth through hole 40 is communicated with the cooling bin 42; the fixed plate 31 compresses the cover plate 41, the lower part of the casting bin 32 passes through the fourth through hole 40 and stretches into the cooling bin 42, and the depth of the cooling bin 42 is larger than the height of the casting bin 32; 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.
The pouring bin 32 lower part passes through the fourth through hole 40 and stretches into the cooling bin 42, and the cooling water cools the outside of the lower die 3, so that the contact area between the cooling water and the lower die 3 is increased, the cooling efficiency of the pouring bin 32 is improved, the omnibearing heat dissipation of the inside and the outside of the lower die 3 is realized, and the overall heat dissipation efficiency is further improved.
Two rows of radiating fins 33 are fixed at the bottom of the lower die 3, a plurality of radiating fins 33 are arranged at equal intervals, and a space for the fixing cylinder 61, the radiating plate 62 and the radiating piece to pass through is reserved between the two rows of radiating fins 33.
Two stirring assemblies are arranged in the cooling box 4 and are respectively positioned under 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, cooling spaces 35 are formed between two adjacent radiating fins 33, and the upper parts of the stirring paddles 43 are located in the cooling spaces 35 in a one-to-one correspondence manner.
The heat dissipation fins 33 are beneficial to heat conduction, and have good heat dissipation effect on the lower die 3, the lower ends of the heat dissipation fins 33 are soaked in cooling liquid, so that the heat exchange area with the cooling liquid is increased, and the heat dissipation efficiency is improved; in the rotation 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 cooling spaces 35 in a one-to-one correspondence manner, and in the rotation process of the stirring paddles 43, the flow rate of cooling liquid in the cooling spaces 35 is increased, the cooling efficiency of the cooling liquid to the cooling fins 33 in unit time is improved, and the overall cooling efficiency of the lower die 3 is further improved. Space for the fixing cylinder 61, the heat dissipation plate 62 and the heat dissipation piece to pass through is reserved between the two rows of heat dissipation fins 33, and the cooling process of each part 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 drain 54 facilitates cleaning of the interior of the cooling cartridge 42.
The sand mold 7 includes a first sand mold 71, a second sand mold 72, a third sand mold 73, and a fourth sand mold 74; the first sand mold 71, the second sand mold 72 and the third sand mold 73 are all sleeved on the periphery of the fixed cylinder 61, the first sand mold 71 is fixed on the second sand mold 72, the second sand mold 72 is fixed on the third sand mold 73, the third sand mold 73 is fixed at the bottom of the pouring bin 32, a blind hole is formed in the middle of the third sand mold 73 along the transverse direction, one end of the fourth sand mold 74 is inserted into the blind hole in a matched manner, and the other end of the fourth sand mold 74 abuts against the side wall of the pouring bin 32; the first sand mold 71 and the third sand mold 73 have annular shapes, and the second sand mold 72 has a block shape. The platen 23 presses the top of the first sand mold 71.
The arrangement of the sand mold 7 ensures that the casting shape of the oil tank is a preset shape; the pressing plate 23 presses the top of the first sand mold 71, the other end of the fourth sand mold 74 abuts against the side wall of the casting bin 32, and the third sand mold 73 is fixed at the bottom of the casting bin 32, so that molten steel is prevented from penetrating, and the oil tank is guaranteed to form a through hole.
After the casting piece is molded, the upper die 2 moves upwards to an initial position; the sand mould 7 is smashed by using a tool, the oil tank formed by casting is taken out by the tool, and then the upper mould 2 is cleaned so as to prepare for the next casting; when the cooling tank 4 needs to be cleaned, the upper die 2 is lifted upward to clean the inside of the cooling tank 4.
The working principle of the invention is as follows: the second cylinder 14 drives the lower die 3 to move downwards and tightly presses 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 3 and the upper die 2 are clamped so as to perform a pouring process; the upper die 2 is poured through the pouring hole 21, and after the casting piece is molded, cooling water is introduced into the water inlet main pipe 51; the cooling water passes through the third through hole 6463 and exchanges heat with the inside of the lower die 3 to rapidly cool the inside of the lower die 3, and the cooling water flows into the inside of the cooling tank 4; the lower part of the pouring bin 32 passes through the fourth through hole 40 and stretches into the cooling bin 42, and cooling water cools the outside of the lower die 3; the heat dissipation fins 33 are favorable for heat conduction and play a good role in heat dissipation of the lower die 3; in the rotation process of the stirring paddle 43, the flow velocity of the cooling liquid in the cooling space 35 is increased, the cooling efficiency of the cooling liquid to the cooling fins 33 in unit time is improved, and the overall cooling efficiency of the lower die 3 is further improved. After the casting piece is molded, the upper die 2 moves upwards to an initial position; the sand mould 7 is smashed by using a tool, the oil tank formed by casting is taken out by the tool, and then the upper mould 2 is cleaned so as to prepare for the next casting; when the cooling tank 4 needs to be cleaned, the upper die 2 is lifted upward to clean the inside of the cooling tank 4.
In summary, in the present invention, the upper mold 2 is poured through the pouring hole 21, and the cooling water rapidly cools the inside of the lower mold 3 through the cooling component 6. A heat dissipation interlayer is arranged between two adjacent heat dissipation plates 62, and provides a buffer space for the heat expansion process of the heat dissipation plates 62 and the heat dissipation parts; meanwhile, the heat dissipation part can timely conduct the heat dissipation plate 62, the lower part of the heat dissipation part stretches into the cooling bin 42 and can be cooled timely, the heat dissipation part forms a heat conduction bridge in the cooling bin 42 and the pouring bin 32, and the upper end and the lower end of the heat dissipation part form a huge temperature difference, so that heat is conveniently and rapidly transferred, and the heat dissipation efficiency of the inside of the pouring bin 32 is improved.
The pouring bin 32 lower part passes through the fourth through hole 40 and stretches into the cooling bin 42, and the cooling water cools the outside of the lower die 3, so that the contact area between the cooling water and the lower die 3 is increased, the cooling efficiency of the pouring bin 32 is improved, the omnibearing heat dissipation of the inside and the outside of the lower die 3 is realized, and the overall heat dissipation efficiency is further improved.
The lower ends of the radiating fins 33 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 rotation process of the stirring assembly, 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 parts of the stirring paddles 43 are located in the cooling spaces 35 in a one-to-one correspondence manner, and in the rotation process of the stirring paddles 43, the flow rate of cooling liquid in the cooling spaces 35 is increased, the cooling efficiency of the cooling liquid to the cooling fins 33 in unit time is improved, and the overall cooling efficiency of the lower die 3 is further improved.
The arrangement of the sand mold 7 ensures that the casting shape of the oil tank is a preset shape; the pressing plate 23 presses the top of the first sand mold 71, the other end of the fourth sand mold 74 abuts against the side wall of the casting bin 32, and the third sand mold 73 is fixed at the bottom of the casting bin 32, so that molten steel is prevented from penetrating, and the oil tank is guaranteed to form a through hole.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (6)
1. The cooling protection device for the production of the chemical pump comprises a base (1), a bracket (11), a top plate (12), an upper die (2) and a lower die (3), and is characterized by further comprising a cooling box (4), a cooling assembly (6) and a sand mold (7);
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), the lower part of the lower die (3) is positioned inside 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, a first through hole (24) for a plurality of water inlet branch pipes (52) to pass through is arranged on the pressing plate (23), two ends of the upper die (2) are connected with a first air 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), the bottom of the pouring bin (32) is provided with a second through hole (34) for a cooling component (6) to pass through, two sides of the lower die (3) are provided with fixing plates (31), and the fixing plates (31) are horizontally arranged and are connected with the second air cylinder (14).
The support (11) is fixed on the base (1), the top plate (12) is fixed on the top of the support (11), a first cylinder (13) for controlling the upper die (2) to move in the vertical direction is arranged on the top plate (12), a second cylinder (14) for controlling the lower die (3) to move in the vertical direction is arranged on the top plate (12), the 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 penetrated and fixed with a plurality of water inlet branch pipes (52), the upper ends of the water inlet branch pipes (52) are communicated with a water inlet main pipe (51), the lower ends of the water inlet branch pipes (52) are inserted into a cooling component (6), the cooling component (6) is arranged in a lower die (3), the lower ends of the cooling component (6) penetrate through the lower die (3) and extend into a cooling box (4), the cooling component (6) comprises a fixed cylinder (61) and a plurality of cooling plates (62), the fixed cylinder (61) and the cooling plates (62) are fixed in a pouring bin (32) along the vertical direction, the lower ends of the fixed cylinder (61) penetrate through a second through hole (34), the peripheries of the fixed cylinder (61) are in sealing connection with the inner periphery of the second through hole (34), the upper ends of the fixed cylinder (61) are matched and inserted into a first through hole (24), the ends of the cooling plates (62) are arranged at equal intervals side by side, the ends of the cooling plates (62) are fixedly connected with the inner peripheral wall of the fixed cylinder (61), and the cooling plates (62) are matched with the inner peripheries of the plurality of the cooling plates (63), and the cooling plates (63) are matched with the inner ends of the plurality of the cooling plates (63);
The middle part of the cooling box (4) is provided with a cooling bin (42), the top of the cooling box (4) is provided with a cover plate (41), the cover plate (41) is horizontally fixed on the bracket (11), the middle part of the cover plate (41) is provided with a fourth through hole (40), the fourth through hole (40) is communicated with the cooling bin (42), the fixed plate (31) compresses the cover plate (41), the lower part of the pouring bin (32) penetrates through the fourth through hole (40) and stretches into the cooling bin (42), the depth of the cooling bin (42) is greater than the height of the pouring bin (32), and the upper part of the cooling bin (42) is fixedly provided with a water outlet pipe (53) which is connected with a water circulation system;
The sand mould (7) comprises a first sand mould (71), a second sand mould (72), a third sand mould (73) and a fourth sand mould (74), wherein the first sand mould (71), the second sand mould (72) and the third sand mould (73) are all sleeved on the periphery of the fixed cylinder (61), the first sand mould (71) is fixed on the second sand mould (72), the second sand mould (72) is fixed on the third sand mould (73), the third sand mould (73) is fixed at the bottom of the pouring bin (32), a blind hole is formed in the middle of the third sand mould (73) in the transverse direction, one end of the fourth sand mould (74) is matched and inserted into the blind hole, the other end of the fourth sand mould (74) is abutted against the side wall of the pouring bin (32), the first sand mould (71) and the third sand mould (73) are annular, the second sand mould (72) is in a block shape, and the pressing plate (23) presses the top of the first sand mould (71).
2. The cooling protection device for chemical pump production according to claim 1, wherein a heat dissipation interlayer (64) is arranged between two adjacent heat dissipation plates (62), a heat dissipation part is fixed in the heat dissipation interlayer (64), the heat dissipation part is clamped between the two corresponding heat dissipation plates (62), heat dissipation silicone grease is coated between the heat dissipation part and the heat dissipation plates (62), and the lower part of the heat dissipation part extends into the cooling bin (42).
3. The cooling protection device for chemical pump production according to claim 2, wherein two rows of heat dissipation fins (33) are fixed at the bottom of the lower die (3), the plurality of 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).
4. A cooling protection device for chemical pump production according to claim 3, characterized in that, two stirring components are arranged in the cooling box (4), the two stirring components are respectively located under the two rows of radiating fins (33), and a motor (15) for driving the stirring components to rotate is fixed outside the cooling box (4).
5. The cooling protection device for chemical pump production according to claim 4, 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), cooling spaces (35) are formed between two adjacent radiating fins (33), and the upper parts of the stirring paddles (43) are located in the cooling spaces (35) in a one-to-one correspondence manner.
6. The cooling protection device for chemical pump production according to claim 1, 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 |
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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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|---|---|---|---|
| CN202210811514.XA CN115338390B (en) | 2022-07-11 | 2022-07-11 | Cooling protection equipment for chemical pump production |
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| CN115338390B true CN115338390B (en) | 2024-05-17 |
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