CN111822681B - Cooling device for casting electromagnetic valve body - Google Patents
Cooling device for casting electromagnetic valve body Download PDFInfo
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- CN111822681B CN111822681B CN202010728053.0A CN202010728053A CN111822681B CN 111822681 B CN111822681 B CN 111822681B CN 202010728053 A CN202010728053 A CN 202010728053A CN 111822681 B CN111822681 B CN 111822681B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D30/00—Cooling castings, not restricted to casting processes covered by a single main group
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Abstract
The invention discloses a cooling device for casting a valve body of an electromagnetic valve, which comprises a rack, a precooling mechanism, an air cooling mechanism and a liquid cooling mechanism, wherein a belt conveying assembly is installed on the rack; the air cooling mechanism comprises an air box, an air inlet is formed in the air box, the air inlet is connected with an air blower through a pipeline, a first partition plate, a second partition plate and a third partition plate are arranged in the air box, the first partition plate, the second partition plate and the third partition plate divide the interior of the air box into a primary hot air area, a secondary hot air area, a transition area and a cold air area, a heating assembly is arranged in the primary hot air area, a cooling assembly is arranged in the cold air area, and a plurality of air outlets are formed in the air box; the liquid cooling mechanism comprises a supporting table, a water tank is arranged on the supporting table, a spraying assembly acting on the water tank is arranged on the side portion of the supporting table, and a feeding track arranged above the water tank is arranged on the rack. The invention can realize the rapid cooling of the electromagnetic valve body without generating the defects of deformation and cracks.
Description
Technical Field
The invention relates to the technical field of processing of electromagnetic valve bodies, in particular to a cooling device for casting an electromagnetic valve body.
Background
An Electromagnetic valve (Electromagnetic valve) is an industrial device controlled by electromagnetism, is an automatic basic element for controlling fluid, belongs to an actuator, and is not limited to hydraulic pressure and pneumatic pressure. Used in industrial control systems to regulate the direction, flow, velocity and other parameters of a medium. The solenoid valve can be matched with different circuits to realize expected control, and the control precision and flexibility can be ensured. The electromagnetic valves are various, and different electromagnetic valves play roles in different positions of a control system, and the most common electromagnetic valves are one-way valves, safety valves, direction control valves, speed regulating valves and the like, wherein the direction control valves need to be punched on the surfaces of the direction control valves, so that the reversing of the direction control valves is facilitated.
The valve body of the electromagnetic valve is usually processed by a casting process, and a cooling step after the valve body is cast is very critical. The conventional cooling method has two types, namely natural cooling and liquid cooling (the medium is water or oil), the speed of the natural cooling method is low, the production efficiency can be greatly reduced, and the temperature of the valve body can be sharply reduced by the liquid cooling method, so that the valve body has the defects of deformation and cracks, and the production yield of the valve body is greatly reduced.
Therefore, there is a need in the market for a cooling device for casting a valve body of an electromagnetic valve to solve the above problems in the background art.
Disclosure of Invention
The invention aims to provide a cooling device for casting a valve body of an electromagnetic valve, which can realize the rapid cooling of the valve body of the electromagnetic valve without generating the defects of deformation and cracks, not only can improve the production efficiency, but also can greatly improve the production qualification rate.
In order to achieve the purpose, the invention provides the following technical scheme: a cooling device for casting a valve body of an electromagnetic valve comprises a rack, a precooling mechanism, an air cooling mechanism and a liquid cooling mechanism, wherein a belt conveying assembly for conveying the valve body of the electromagnetic valve is mounted on the rack, a guide rail for sliding the valve body of the electromagnetic valve onto the belt conveying assembly is mounted on the side part of the rack, the precooling mechanism comprises a precooling pipe which is connected with a heat medium and is in a spiral shape, and the precooling pipe is mounted on the periphery of the guide rail; the air cooling mechanism comprises an air box arranged above the rack, one side of the air box, which is opposite to the belt conveying assembly, is provided with an air inlet, the air inlet is connected with an air blower through a pipeline, a first partition plate, a second partition plate and a third partition plate are sequentially arranged in the air box along the conveying direction of the belt conveying assembly, the first partition plate, the second partition plate and the third partition plate divide the interior of the air box into a primary hot air area, a secondary hot air area, a transition area and a cold air area, a heating assembly is arranged in the primary hot air area, a cooling assembly is arranged in the cold air area, and one side of the air box, which faces the belt conveying assembly, is uniformly provided with a plurality of air outlets; the liquid cooling mechanism comprises a supporting table, a water tank is arranged on the supporting table, a hollow-out article placing basket is arranged in the water tank, a water discharging pipe is arranged at the bottom of the water tank, a spraying assembly acting on the water tank is arranged on the side portion of the supporting table, a feeding track matched with the conveying assembly is arranged on the rack, and the tail end of the feeding track is arranged above the water tank.
By adopting the technical scheme, the electromagnetic valve body is composed of the frame, the pre-cooling mechanism, the air cooling mechanism and the liquid cooling mechanism, and the electromagnetic valve body formed by casting is slowly cooled through the three steps of pre-cooling, air cooling and liquid cooling. The precooling step is to lead flowing heat medium to flow into a precooling pipe in a spiral shape so as to heat the air around the high-temperature electromagnetic valve body when the high-temperature electromagnetic valve body slides down on the guide rail, thereby avoiding the defect caused by overlarge instantaneous temperature difference on the surface when the electromagnetic valve body is taken out of the smelting furnace; the electromagnetic valve body slides to a belt conveying assembly on the rack through a guide rail, the conveying belt with the conveying assembly is used for conveying the electromagnetic valve body, and an air cooling step is carried out in the conveying process, the air cooling step is realized by blowing air through an air box positioned above the conveying belt, the air box is connected with an air blower, a primary hot air area, a secondary hot air area, a transition area and a cold air area are arranged in the air box, and after the air blower blows air into the air box, the air enters the primary hot air area, the secondary hot air area, the transition area and the cold air area, so that air with the temperature approximately linearly reduced in the conveying direction of the conveying belt is formed, and the air is blown out from an air outlet of the air box to the surface of the electromagnetic valve body and is slowly cooled; and finally, the electromagnetic valve body falls into a storage basket in the water tank of the support table through the feeding track, and the cooling liquid is sprayed to the surface of the electromagnetic valve body by the spraying assembly to carry out liquid cooling on the surface of the electromagnetic valve body, so that the surface temperature of the electromagnetic valve body is completely cooled. Because whole cooling process does not have the jump formula difference in temperature, consequently can realize that the solenoid valve body cools off fast under the defect that does not produce deformation and crackle, not only can improve production efficiency, can improve its production qualification rate moreover greatly.
The invention is further arranged in that a support plate and a pressing component for fixing the precooling pipe are arranged on the guide rail, and a cushion pad is arranged on the surface of the support plate; the pressing and fixing assembly comprises an L-shaped plate, a telescopic rod, a first spring and a rubber pressing block, the L-shaped plate is fixed on the guide rail, one end of the telescopic rod is fixed on the L-shaped plate, the other end of the telescopic rod is connected with the rubber pressing block, the first spring is sleeved on the periphery of the telescopic rod, one end of the first spring abuts against the L-shaped plate, and the other end of the first spring abuts against the rubber pressing block; one end of the precooling pipe is abutted against the supporting plate, and the other end of the precooling pipe is abutted against the rubber pressing block.
Through adopting above-mentioned technical scheme, can carry out the quick fixed of precooling the pipe, the blotter is the soft contact with precooling the pipe has all been realized to rubber briquetting promptly simultaneously to can avoid precooling the pipe by the crushing, and then prolong the life of precooling the pipe.
The heating assembly comprises an electric plug which penetrates through the air box and a resistance wire which is arranged in a primary hot air area, the resistance wire is electrically connected with the electric plug, and a side supporting part which is used for supporting the resistance wire is arranged on the first clapboard in a sliding manner; a plurality of ventilation holes communicated with the first-stage hot air area and the second-stage hot air area are uniformly formed in the first partition plate.
Through adopting above-mentioned technical scheme, can heat up the air in the one-level hot-blast district fast, thereby form hot-blastly during the flow, the ventilation hole can be distinguished a small amount of hot-blastly in the one-level hot-blast district in the second grade hot-blast district in to the second grade hot-blast, thereby make the hot-blast district of second grade produce certain hot-blastly, and because the inside heating element that does not have in the hot-blast district of second grade, make the heat in the hot-blast district of second grade be less than the heat in the hot-blast district of one-level, thereby the hot-blast temperature that the hot-blast district of second grade produced is less than the hot-blast temperature that the hot-blast district of one-level produced, realize by the effect that the hot-blast temperature in one-level hot-blast district below to second grade hot-blast district reduces gradually.
The invention is further provided that the cooling assembly comprises water tanks arranged at two longitudinal sides of the inner wall of the cold air area, and the two water tanks are connected through a plurality of intermediate pipes; the middle pipe comprises an outer pipe and inner pipes arranged at two ends of the outer pipe, the inner pipes axially penetrate through the end part of the outer pipe and are in threaded connection with the outer pipe, and the outer wall of each inner pipe is provided with a threaded sealing ring which is in sealing fit with the inner wall of the outer pipe; the side wall of the water tank is provided with a connecting hole for inserting the corresponding inner pipe, and the inner wall of the connecting hole is provided with an O-shaped ring which forms sealing fit with the corresponding inner pipe; one side of bellows is equipped with the water supply connector of one of them water tank of intercommunication, and the opposite side of bellows is equipped with the water connectors of another water tank of intercommunication, water supply connector sets up the position of keeping away from the transition district, water connectors sets up the position of being close to the transition district, the quantity of well intermediate tube increases in proper order along the direction of transfer of taking conveying component.
Through adopting above-mentioned technical scheme, can carry out the water-cooling to the air in the cold wind district to the design that the position design of water supply connector and water connectors and the quantity of intermediate pipe increase in proper order along the direction of transfer of taking conveying subassembly can realize the effect that the cold wind temperature of cold wind district leeward reduces gradually, and the intermediate pipe has made things convenient for the dismouting greatly by inner tube and outer tube threaded connection's design.
The invention is further provided that the air box comprises an upper box body and a lower box body which are connected through a bolt, and a sealing gasket is clamped between the lower edge of the upper box body and the upper edge of the lower box body; the utility model discloses a wind distribution box, including the even aerofoil of second, first order hot-blast district, second grade hot-blast district, transition district and cold wind district, the even aerofoil of first even aerofoil and second is equipped with in proper order from top to bottom to the inside of going up the box, and the top of first baffle, second baffle and third baffle all offsets with the bottom surface of the even aerofoil of second, evenly be provided with a plurality of first cross wind holes along length direction on the even aerofoil of first even aerofoil, evenly be provided with a plurality of second cross wind holes along length direction on the even aerofoil of second, the diameter in first cross wind hole is greater than the diameter in second cross wind hole to the orthographic projection of first cross wind hole on the even aerofoil of second crosses wind hole and second and stagger completely.
By adopting the technical scheme, the air passes through the first air passing holes after being spread on the first air homogenizing plate, then is impacted on the second air homogenizing plate to be spread for the second time, and finally passes through the second air passing holes to be uniformly conveyed to the first-stage hot air area, the second-stage hot air area, the transition area and the cold air area, so that the unit volume air volume entering the lower box body is ensured to be the same, and uniform air outlet is realized.
The invention is further arranged in that an air guide member is inserted on the air outlet, the lower end of the air guide member is provided with an inclined part extending towards the direction close to the guide rail, the inclined part is provided with a plurality of air outlet holes communicating the inside of the air box with the outside, and the air outlet holes close to the two longitudinal sides of the air box are respectively inclined towards the corresponding side of the air box.
Through adopting above-mentioned technical scheme for the wind energy of bellows can sweep solenoid valve body surface more comprehensively, strengthens its cooling effect, guarantees solenoid valve body surface cooling homogeneity simultaneously.
The invention is further arranged in such a way that two longitudinal sides of the air box are respectively provided with an air suction box, the interior of the air suction box is communicated with the primary hot air area, the inner side of the air suction box is provided with a plurality of air suction ports for communicating the interior of the air suction box with the outside, and the air suction ports are inclined downwards from the outside to the inside on the air suction box.
By adopting the technical scheme, when wind flows in the air box and penetrates out of the air outlet, negative pressure can be formed at the inner end of the air suction box, so that the air suction opening generates certain suction to suck partial hot wind blown out from the air outlet and send the partial hot wind into a hot wind area, a local thermal cycle is formed, the rated power of the resistance wire can be reduced, the electric energy loss is further reduced, and the use cost of the device is reduced.
The invention is further arranged in such a way that the bottom of the air box is connected with an inverted U-shaped mounting plate through a bolt, two dovetail slide bars are respectively arranged on two sides of the mounting plate, dovetail slide grooves corresponding to the dovetail slide bars are respectively arranged on two sides of the rack, locking screws are respectively arranged on two sides of the mounting plate in a penetrating way, the inner ends of studs of the locking screws are abutted in the corresponding dovetail slide grooves, a second spring is further sleeved on the periphery of the stud of the locking screw, one end of the second spring is abutted on the mounting plate, and the other end of the second spring is abutted on a nut of the locking screw.
Through adopting above-mentioned technical scheme, not only can realize the quick fixed mounting of the bellows of bellows after screwing up the locking screw, conveniently adjust the height of bellows moreover to realize the regulation of wind-force size and scope.
The invention is further set that protection components are arranged on two sides of the rack, each protection component comprises a protection plate, a plurality of mounting seats and fixing columns matched with the mounting seats, the mounting seats are fixed on the side part of the rack through screws and are in plug fit with the fixing columns, a plurality of sleeves used for being sleeved on the corresponding fixing columns are arranged on the protection plates, and a plurality of ventilation holes are uniformly formed in the protection plates.
Through adopting above-mentioned technical scheme, can guarantee that the solenoid valve body can not drop the conveyer belt at the in-process of transmission, the design in ventilative hole on the guard plate can improve the ventilative nature of conveyer belt top simultaneously, guarantees good forced air cooling effect.
The invention is further provided that the spray assembly comprises a water inlet pipe arranged at the side part of the support platform, the side part of the water inlet pipe is connected with a bent pipe through a hose, the tail end of the bent pipe is connected with a spray head, and the spray head is arranged above the water tank; the top end of the water inlet pipe is provided with an adjusting stud, a fixing block is sleeved on the adjusting stud, a clamping groove used for being in clamping fit with the bent pipe is formed in the fixing block, and a limiting ring abutting against the top end of the fixing block is further arranged on the bent pipe; two ends of the adjusting stud, which are positioned on the fixing block, are respectively in threaded connection with a locking nut, and the two locking nuts respectively abut against the upper side and the lower side of the fixing block.
Through adopting above-mentioned technical scheme, drench the solenoid valve body surface with the coolant liquid and carry out the liquid cooling to it, make its surface temperature cool down completely, the shower nozzle fixed and height are adjusted all very conveniently, need not to have special professional knowledge, do benefit to the staff operation.
Drawings
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a schematic structural diagram of a pre-cooling mechanism according to the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic view of the internal structure of the lower case of the present invention;
FIG. 5 is a schematic view of the fitting structure of the intermediate pipe and the water tank;
FIG. 6 is a schematic view of the internal structure of the whole of the windbox of the present invention;
fig. 7 is a schematic structural view of the air guide of the present invention;
fig. 8 is a right side view of the wind guide of the present invention;
FIG. 9 is a cross-sectional view A-A of FIG. 8;
FIG. 10 is a schematic view showing an installation structure of the shield assembly and the bellows of the present invention;
fig. 11 is a schematic structural view of a liquid cooling mechanism according to the present invention.
In the figure: 1. a frame; 2. a pre-cooling mechanism; 3. an air cooling mechanism; 4. a liquid cooling mechanism; 5. a belt transfer assembly; 6. a guide rail; 7. a pre-cooling tube; 8. an air box; 9. an air inlet; 10. a blower; 11. a feeding track; 12. a support table; 13. a water tank; 14. a storage basket; 15. a drain pipe; 16. a spray assembly; 17. a support plate; 18. a cushion pad; 19. pressing and fixing the component; 20. an L-shaped plate; 21. a telescopic rod; 22. a first spring; 23. pressing rubber blocks; 24. an upper box body; 25. a lower box body; 26. a first separator; 27. a second separator; 28. a third partition plate; 29. a primary hot air zone; 30. a secondary hot air zone; 31. a transition zone; 32. a cold air area; 33. a heating assembly; 34. an electric plug; 35. a resistance wire; 36. a side supporting portion; 37. a vent hole; 38. a water tank; 39. an intermediate pipe; 40. a water inlet joint; 41. a water outlet joint; 42. an air outlet; 43. connecting holes; 44. an O-shaped ring; 45. an outer tube; 46. an inner tube; 47. a threaded seal ring; 48. a gasket; 49. a first air distribution plate; 50. a second air distribution plate; 51. a first air passing hole; 52. a second air passing hole; 53. an air guide member; 54. an inclined portion; 55. an air outlet; 56. an air suction box; 57. an air suction opening; 58. a guard assembly; 59. mounting a plate; 60. dovetail slide bars; 61. a dovetail chute; 62. locking screws; 63. a second spring; 64. a protection plate; 65. a mounting seat; 66. fixing a column; 67. a sleeve; 68. a ventilation hole; 69. a water inlet pipe; 70. a hose; 71. bending the pipe; 72. a spray head; 73. adjusting the stud; 74. a fixed block; 75. a card slot; 76. a limiting ring; 77. locking the nut; 78. a cooling component.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b): the invention provides a cooling device for casting a valve body of an electromagnetic valve, which comprises a frame 1, a precooling mechanism 2, an air cooling mechanism 3 and a liquid cooling mechanism 4 as shown in attached figures 1-11, a belt conveying assembly 5 for conveying the electromagnetic valve body is arranged on the frame 1, a guide rail 6 for sliding the electromagnetic valve body to the belt conveying assembly 5 is arranged on the side part of the frame 1, the guide rail 6 is obliquely arranged, a reinforcing rib is arranged at the bottom of the guide rail 6, the precooling mechanism 2 comprises a precooling pipe 7 which is communicated with a heat medium and takes a spiral shape, the precooling pipe 7 can be a glass pipe or a plastic pipe, the lower end of the precooling pipe 7 is used as an inlet, the upper end is used as an outlet, the precooling pipe 7 is arranged on the periphery of the guide rail 6, the flowing heat medium is introduced into the pre-cooling pipe 7 to heat the air around the high-temperature electromagnetic valve body when the high-temperature electromagnetic valve body slides on the guide rail 6, so that the defect caused by overlarge instantaneous temperature difference on the surface when the electromagnetic valve body is taken out of the smelting furnace is avoided; air-cooling mechanism 3 is including installing in the bellows 8 of frame 1 top, one side of bellows 8 area conveying subassembly 5 dorsad is equipped with air intake 9, and air intake 9 has air-blower 10 through the pipe connection, is equipped with first baffle 26, second baffle 27 and third baffle 28 along the direction of transfer of taking conveying subassembly 5 in bellows 8 in proper order, and first baffle 26, second baffle 27 and third baffle 28 separate into one-level hot-blast district 29, second grade hot-blast district 30, transition district 31 and cold wind district 32 with bellows 8 internal partitioning, be equipped with heating element 33 in the one-level hot-blast district 29, be equipped with cooling element 78 in the cold wind district 32, bellows 8 evenly is provided with a plurality of air outlets 42 towards one side of taking conveying subassembly 5. The wind enters the primary hot wind area 29, the secondary hot wind area 30, the transition area 31 and the cold wind area 32, so that wind with the temperature approximately linearly reduced in the conveying direction of the conveyor belt is formed, and the wind is sent out from the air outlet 42 of the wind box 8 and blown to the surface of the valve body of the electromagnetic valve to slowly reduce the temperature of the electromagnetic valve; the liquid cooling mechanism 4 comprises a supporting table 12, a water tank 13 is arranged on the supporting table 12, a hollow-out object placing basket 14 is arranged in the water tank 13, the object placing basket 14 is used for containing an electromagnetic valve body, a water discharge pipe 15 is arranged at the bottom of the water tank 13, a spraying assembly 16 acting on the water tank 13 is arranged on the lateral portion of the supporting table 12, a feeding track 11 matched with the conveying assembly 5 is arranged on the frame 1, the tail end of the feeding track 11 is arranged above the water tank 13, the electromagnetic valve body falls into the object placing basket 14 from the tail end of the feeding track 11, and cooling liquid is sprayed onto the surface of the electromagnetic valve body by the spraying assembly 16 to carry out liquid cooling on the surface of the electromagnetic valve body, so that the surface temperature of the electromagnetic valve body is completely cooled down.
As shown in fig. 2 and fig. 3, a support plate 17 and a pressing component 19 for fixing the pre-cooling pipe 7 are arranged on the guide rail 6, and a cushion pad 18 is arranged on the surface of the support plate 17; the pressing and fixing assembly 19 comprises an L-shaped plate 20, an expansion link 21, a first spring 22 and a rubber pressing block 23, the L-shaped plate 20 is fixed on the guide rail 6 through screws, the expansion link 21 is a conventional piece and is easily purchased in the market, so the specific structure of the expansion link is not described in detail herein, one end of the expansion link 21 is fixed (welded) on the L-shaped plate 20, the other end of the expansion link 21 is connected with the rubber pressing block 23 (connected through glue), the first spring 22 is sleeved on the periphery of the expansion link 21, one end of the first spring 22 abuts against the L-shaped plate 20, and the other end of the first spring 22 abuts against the rubber pressing block 23; one end of the pre-cooling pipe 7 is abutted against the supporting plate 17, and the other end of the pre-cooling pipe 7 is abutted against the rubber pressing block 23. Through this structure can carry out the quick fixed of precooling pipe 7, blotter 18 promptly rubber briquetting 23 has all realized the soft contact with precooling pipe 7 simultaneously to can avoid precooling pipe 7 to be damaged by pressure, and then prolong precooling pipe 7's life.
As shown in fig. 4, the heating assembly 33 includes an electrical plug 34 penetrating the air box 8 and a resistance wire 35 disposed in the primary hot air region 29, the resistance wire 35 is electrically connected to the electrical plug 34, and a side supporting portion 36 for supporting the resistance wire 35 is slidably disposed on the first partition 26; the first partition 26 is uniformly provided with a plurality of vent holes 37 for communicating the primary hot air area 29 with the secondary hot air area 30. Can heat up the air in the one-level hot-blast district 29 fast through this structure, thereby form hot-blastly during the flow, ventilation hole 37 can distribute the second grade hot-blast district 30 with a small amount of hot-blastly in the one-level hot-blast district 29 on first baffle 26, thereby make second grade hot-blast district 30 produce certain hot-blastly, and because second grade hot-blast district 30 is inside to have heating element 33, make the heat in the second grade hot-blast district 30 be less than the heat in the one-level hot-blast district 29, thereby the hot-blast temperature that second grade hot-blast district 30 produced is less than the hot-blast temperature that first grade hot-blast district 29 produced, realize by the effect that the hot-blast temperature in one-level hot-blast district 29 below to second grade hot-blast district 30 reduces gradually.
As shown in fig. 4 and fig. 5, the cooling assembly 78 includes water tanks 38 disposed at two longitudinal sides of the inner wall of the cold air region 32, and the two water tanks 38 are connected by a plurality of intermediate pipes 39; the middle pipe 39 comprises an outer pipe 45 and inner pipes 46 arranged at two ends of the outer pipe 45, the inner pipes 46 axially penetrate through the end part of the outer pipe 45, the inner pipes 46 are in threaded connection with the outer pipe 45, and the outer walls of the inner pipes 46 are provided with threaded sealing rings 47 which are in sealing fit with the inner wall of the outer pipe 45; a connecting hole 43 for inserting a corresponding inner pipe 46 is formed in the side wall of the water tank 38, and an O-shaped ring 44 which is in sealing fit with the corresponding inner pipe 46 is mounted on the inner wall of the connecting hole 43; one side of bellows 8 is equipped with the water supply connector 40 of one of them water tank 38 of intercommunication, and the opposite side of bellows 8 is equipped with the water connectors 41 of another water tank 38 of intercommunication, water supply connector 40 sets up the position of keeping away from transition region 31, water connectors 41 set up the position of being close to transition region 31, the quantity of well intermediate pipe 39 increases in proper order along the direction of transfer of taking conveying subassembly 5. Can carry out the water-cooling to the air in the cold wind district 32 through this structure to the design that the position design of water supply connector 40 and water outlet 41 and the quantity of intermediate pipe 39 increase in proper order along the direction of transfer of taking conveying assembly 5 can realize the effect that the cold wind temperature of cold wind district 32 leeward reduces gradually, and intermediate pipe 39 has made things convenient for the dismouting greatly by inner tube 46 and outer tube 45 threaded connection's design.
As shown in fig. 6, the bellows 8 includes an upper case 24 and a lower case 25 connected by bolts, and a gasket 48 is interposed between a lower edge of the upper case 24 and an upper edge of the lower case 25; first-order hot-blast district 29, second grade hot-blast district 30, transition zone 31 and cold wind district 32 all set up in box 25 down, the inside of going up box 24 is equipped with first even aerofoil 49 and the even aerofoil 50 of second from top to bottom in proper order, and the top of first baffle 26, second baffle 27 and third baffle 28 all offsets with the bottom surface of the even aerofoil 50 of second, evenly be provided with a plurality of first wind holes 51 along length direction on the first even aerofoil 49, evenly be provided with a plurality of second wind holes 52 along length direction on the even aerofoil 50 of second, the diameter of first wind hole 51 is greater than the diameter of second wind hole 52 to first wind hole 51 orthographic projection and second wind hole 52 on the even aerofoil 50 of second stagger completely. Through the structure, air is diffused on the first air distribution plate 49 and then passes through the first air passing holes 51, then is impacted on the second air distribution plate 50 to be diffused for the second time, and finally passes through the second air passing holes 52 to be uniformly conveyed to the first-stage hot air area 29, the second-stage hot air area 30, the transition area 31 and the cold air area 32, so that the unit volume air volume entering the lower box body 25 is ensured to be the same, and uniform air outlet is realized.
As shown in fig. 6-9, an air guide 53 is inserted into the air outlet 42, the air guide 53 is in interference fit with the air outlet 42, the lower end of the air guide 53 has an inclined portion 54 extending toward the direction close to the guide rail 6, the inclined portion 54 is provided with a plurality of air outlet holes 55 communicating the inside of the air box 8 with the outside, the air outlet holes 55 close to the two longitudinal sides of the air box 8 are respectively inclined toward the corresponding side of the air box 8, that is, the longitudinal direction, the air outlet holes 55 at the rear of the middle part are both inclined toward the rear of the air box 8, and the air outlet holes 55 at the front of the middle part are both inclined toward the front of the air box 8. This structure makes bellows 8's wind energy sweep solenoid valve body surface more comprehensively, strengthens its cooling effect, guarantees solenoid valve body surface cooling homogeneity simultaneously.
As shown in fig. 4, two longitudinal sides of the air box 8 are respectively provided with an air suction box 56, the interior of the air suction box 56 is communicated with the primary hot air area 29, the inner side of the air suction box 56 is provided with a plurality of air suction ports 57 communicating the interior of the air suction box 56 with the outside, and the air suction ports 57 are inclined downwards from the outside to the inside on the air suction box 56. When wind flows in the wind box 8 and penetrates out of the air outlet 42, negative pressure is formed at the inner end of the air suction box 56, so that a certain suction force is generated by the air suction opening 57, part of hot wind blown out of the air outlet 42 is sucked and sent to a hot wind area, a local thermal cycle is formed, the rated power of the resistance wire 35 can be reduced, the electric energy loss is further reduced, and the use cost of the device is reduced.
As shown in fig. 10, the bottom of bellows 8 has the mounting panel 59 that is the U font of handstand through bolted connection, the both sides of mounting panel 59 are equipped with a forked tail draw runner 60 respectively, the both sides of frame 1 be equipped with respectively with the corresponding forked tail spout 61 of forked tail draw runner 60, locking screw 62 is worn to be equipped with respectively in the both sides of mounting panel 59, the inner of the double-screw bolt of locking screw 62 supports in the forked tail spout 61 that corresponds, locking screw 62's double-screw bolt periphery still overlaps and is equipped with second spring 63, and second spring 63's one end supports on mounting panel 59, and second spring 63's the other end supports on locking screw 62's the nut. Not only can realize the quick fixed mounting of bellows 8 after screwing up locking screw 62, conveniently adjust the height of bellows 8 moreover to realize the regulation of wind-force size and scope.
As shown in fig. 10, the protection assemblies 58 are mounted on two sides of the rack 1, each protection assembly 58 includes a protection plate 64, a plurality of mounting seats 65 and fixing columns 66 matched with the mounting seats 65, the mounting seats 65 are fixed on the side portion of the rack 1 through screws, the mounting seats 65 are in insertion fit with the fixing columns 66, a plurality of sleeves 67 for being sleeved on the corresponding fixing columns 66 are arranged on the protection plate 64, and a plurality of ventilation holes 68 are uniformly formed in the protection plate 64. The structure can ensure that the electromagnetic valve body cannot fall off the conveyor belt in the conveying process, and the ventilation property above the conveyor belt can be improved by the design of the ventilation holes 68 on the protection plate 64, so that a good air cooling effect is ensured.
As shown in fig. 11, the spraying assembly 16 includes a water inlet pipe 69 mounted on the side of the supporting platform 12, the side of the water inlet pipe 69 is connected with an elbow pipe 71 through a hose 70, the end of the elbow pipe 71 is connected with a spray head 72, and the spray head 72 is disposed above the water tank 13; an adjusting stud 73 is arranged at the top end of the water inlet pipe 69, a fixing block 74 is sleeved on the adjusting stud 73, a clamping groove 75 used for being in clamping fit with the bent pipe 71 is arranged on the fixing block 74, and a limiting ring 76 abutted against the top end of the fixing block 74 is further arranged on the bent pipe 71; two ends of the adjusting stud 73, which are located on the fixing block 74, are respectively in threaded connection with a locking nut 77, and when the two locking nuts 77 are screwed, the two locking nuts 77 respectively abut against the upper side and the lower side of the fixing block 74 and generate relative axial force, so that the friction force between the locking nuts 77 and the adjusting stud 73 is increased, and the fixing of the fixing block 74 is realized. Drench the cooling liquid through this structure and carry out the liquid cooling to solenoid valve body surface to it, make its surface temperature cool off completely, the shower nozzle 72 fixed and height are adjusted all very conveniently, need not to have special professional knowledge, do benefit to the staff operation.
The working principle is as follows: the invention consists of a frame 1, a precooling mechanism 2, an air cooling mechanism 3 and a liquid cooling mechanism 4, and the electromagnetic valve body formed by casting is slowly cooled through three steps of precooling, air cooling and liquid cooling. In the pre-cooling step, flowing heat medium is introduced into a pre-cooling pipe 7 in a spiral shape to heat air around the high-temperature electromagnetic valve body when the high-temperature electromagnetic valve body slides on the guide rail 6, so that the defect caused by overlarge instantaneous temperature difference on the surface of the electromagnetic valve body when the electromagnetic valve body is taken out of the smelting furnace is avoided; the electromagnetic valve body slides to a belt conveying assembly 5 on the rack 1 through a guide rail 6, the conveying belt with the conveying assembly 5 is used for conveying the electromagnetic valve body, and an air cooling step is carried out in the conveying process, the air cooling step is realized by blowing air into an air box 8 positioned above the conveying belt, the air box 8 is connected with an air blower 10, a primary hot air area 29, a secondary hot air area 30, a transition area 31 and a cold air area 32 are arranged in the air box 8, after the air blower 10 blows air into the air box 8, the air enters the primary hot air area 29, the secondary hot air area 30, the transition area 31 and the cold air area 32, so that air with the temperature approximately linearly reduced in the conveying direction of the conveying belt is formed, and the air is blown out from an air outlet 42 of the air box 8 to the surface of the electromagnetic valve body and is gently cooled; finally, the electromagnetic valve body falls into a storage basket 14 in a water tank 13 of a support table 12 through a feeding rail 11, and cooling liquid is sprayed on the surface of the electromagnetic valve body by a spraying assembly 16 to cool the electromagnetic valve body, so that the surface temperature of the electromagnetic valve body is completely cooled. Because whole cooling process does not have the jump formula difference in temperature, consequently can realize that the solenoid valve body cools off fast under the defect that does not produce deformation and crackle, not only can improve production efficiency, can improve its production qualification rate moreover greatly.
Claims (9)
1. The utility model provides a cooling device is used in casting of solenoid valve body which characterized in that: the device comprises a rack (1), a precooling mechanism (2), an air cooling mechanism (3) and a liquid cooling mechanism (4), wherein a belt conveying assembly (5) for conveying a solenoid valve body is installed on the rack (1), a guide rail (6) for sliding the solenoid valve body onto the belt conveying assembly (5) is installed on the side part of the rack (1), the precooling mechanism (2) comprises a precooling pipe (7) which is communicated with a heat medium and is in a spiral shape, and the precooling pipe (7) is installed on the periphery of the guide rail (6); the air cooling mechanism (3) comprises an air box (8) arranged above the frame (1), one side of the air box (8) back to the belt conveying assembly (5) is provided with an air inlet (9), the air inlet (9) is connected with an air blower (10) through a pipeline, a first clapboard (26), a second clapboard (27) and a third clapboard (28) are sequentially arranged in the air box (8) along the conveying direction of the belt conveying assembly (5), the first clapboard (26), the second clapboard (27) and the third clapboard (28) divide the interior of the air box (8) into a primary hot air area (29), a secondary hot air area (30), a transition area (31) and a cold air area (32), a heating component (33) is arranged in the first-stage hot air area (29), a cooling component (78) is arranged in the cold air area (32), a plurality of air outlets (42) are uniformly formed in one side, facing the belt conveying assembly (5), of the air box (8); the liquid cooling mechanism (4) comprises a supporting table (12), a water tank (13) is arranged on the supporting table (12), a storage basket (14) which can be taken out and is hollow is arranged in the water tank (13), a water drainage pipe (15) is arranged at the bottom of the water tank (13), a spraying assembly (16) acting on the water tank (13) is arranged on the side portion of the supporting table (12), a feeding track (11) matched with the belt conveying assembly (5) is arranged on the rack (1), and the tail end of the feeding track (11) is arranged above the water tank (13); the cooling assembly (78) comprises water tanks (38) arranged at two longitudinal sides of the inner wall of the cold air area (32), and the two water tanks (38) are connected through a plurality of intermediate pipes (39); the middle pipe (39) comprises an outer pipe (45) and inner pipes (46) arranged at two ends of the outer pipe (45), the inner pipes (46) axially penetrate through the end part of the outer pipe (45), the inner pipes (46) are in threaded connection with the outer pipe (45), and threaded sealing rings (47) in sealing fit with the inner wall of the outer pipe (45) are arranged on the outer wall of the inner pipes (46); a connecting hole (43) for inserting a corresponding inner pipe (46) is formed in the side wall of the water tank (38), and an O-shaped ring (44) which is in sealing fit with the corresponding inner pipe (46) is mounted on the inner wall of the connecting hole (43); one side of bellows (8) is equipped with water supply connector (40) of one of them water tank (38) of intercommunication, and the opposite side of bellows (8) is equipped with water connectors (41) of another water tank of intercommunication (38), water supply connector (40) set up the position of keeping away from transition region (31), water connectors (41) set up the position of being close to transition region (31), the quantity of well guan yu (39) increases in proper order along the direction of transfer who takes conveying assembly (5).
2. The cooling device for casting the valve body of the electromagnetic valve according to claim 1, wherein: a support plate (17) and a pressing component (19) for fixing the pre-cooling pipe (7) are arranged on the guide rail (6), and a cushion pad (18) is arranged on the surface of the support plate (17); the pressing and fixing assembly (19) comprises an L-shaped plate (20), a telescopic rod (21), a first spring (22) and a rubber pressing block (23), the L-shaped plate (20) is fixed on the guide rail (6), one end of the telescopic rod (21) is fixed on the L-shaped plate (20), the other end of the telescopic rod (21) is connected with the rubber pressing block (23), the first spring (22) is sleeved on the periphery of the telescopic rod (21), one end of the first spring (22) abuts against the L-shaped plate (20), and the other end of the first spring (22) abuts against the rubber pressing block (23); one end of the pre-cooling pipe (7) is abutted against the supporting plate (17), and the other end of the pre-cooling pipe (7) is abutted against the rubber pressing block (23).
3. The cooling device for casting the valve body of the electromagnetic valve according to claim 1, wherein: the heating assembly (33) comprises an electric plug (34) arranged on the air box (8) in a penetrating mode and a resistance wire (35) arranged in the primary hot air area (29), the resistance wire (35) is electrically connected with the electric plug (34), and a side supporting portion (36) used for supporting the resistance wire (35) is arranged on the first partition plate (26) in a sliding mode; a plurality of vent holes (37) which are used for communicating the primary hot air area (29) with the secondary hot air area (30) are uniformly formed in the first partition plate (26).
4. The cooling device for casting the valve body of the electromagnetic valve according to claim 1, wherein: the air box (8) comprises an upper box body (24) and a lower box body (25) which are connected through bolts, and a sealing gasket (48) is clamped between the lower edge of the upper box body (24) and the upper edge of the lower box body (25); one-level hot-blast district (29), second grade hot-blast district (30), transition district (31) and cold wind district (32) all set up under in box (25), the inside of going up box (24) is equipped with even aerofoil (49) of first even aerofoil (49) and second even aerofoil (50) from top to bottom in proper order, and the top of first baffle (26), second baffle (27) and third baffle (28) is all balanced with the bottom surface of even aerofoil (50) of second, evenly be provided with a plurality of first wind holes (51) of crossing along length direction on the even aerofoil (49) of first even aerofoil (50) of second, evenly be provided with a plurality of second wind holes (52) of crossing along length direction on the even aerofoil (50) of second, the diameter of first wind hole (51) is greater than the diameter of second wind hole (52) to first wind hole (51) orthographic projection on the even aerofoil (50) of second crosses wind hole (52) and second and crosses wind hole (52) and stagger completely.
5. The cooling device for casting the valve body of the electromagnetic valve according to claim 1, wherein: air guide (53) are inserted into the air outlet (42), the lower end of the air guide (53) is provided with an inclined part (54) extending towards the direction close to the guide rail (6), the inclined part (54) is provided with a plurality of air outlet holes (55) communicating the inside and the outside of the air box (8), and the air outlet holes (55) close to the two longitudinal sides of the air box (8) are respectively inclined towards one corresponding side of the air box (8).
6. The cooling device for casting the valve body of the electromagnetic valve according to claim 1, wherein: the utility model discloses a wind box, including bellows (8), the inboard of induced draft case (56), induced draft case (56) are equipped with one-level hot-blast district (29) and are linked together, the inboard of induced draft case (56) is equipped with inside and external inlet scoop (57) of a plurality of intercommunication induced draft cases (56), inlet scoop (57) is by outer to interior downward sloping on induced draft case (56).
7. The cooling device for casting the valve body of the electromagnetic valve according to claim 1, wherein: the bottom of bellows (8) has mounting panel (59) that is the U font of handstand through bolted connection, the both sides of mounting panel (59) are equipped with a forked tail draw runner (60) respectively, the both sides of frame (1) be equipped with respectively with forked tail slide runner (60) corresponding forked tail spout (61), lock screw (62) are worn to be equipped with respectively in the both sides of mounting panel (59), support in forked tail spout (61) that correspond in the double-screw bolt inner of lock screw (62), the double-screw bolt periphery of lock screw (62) still overlaps and is equipped with second spring (63), and the one end of second spring (63) supports on mounting panel (59), and the other end of second spring (63) supports on the nut of lock screw (62).
8. The cooling device for casting the valve body of the electromagnetic valve according to claim 1, wherein: protection component (58) are installed to the both sides of frame (1), protection component (58) including guard plate (64), a plurality of mount pad (65) and with fixed column (66) of mount pad (65) looks adaptation, mount pad (65) are through screw fixation in frame (1) lateral part and mount pad (65) and fixed column (66) grafting cooperation, be equipped with a plurality of sleeve pipes (67) that are used for cup jointing on corresponding fixed column (66) on guard plate (64) to a plurality of ventilative holes (68) have evenly been seted up on guard plate (64).
9. The cooling device for casting the valve body of the electromagnetic valve according to claim 1, wherein: the spraying assembly (16) comprises a water inlet pipe (69) arranged on the side part of the support platform (12), the side part of the water inlet pipe (69) is connected with an elbow pipe (71) through a hose (70), the tail end of the elbow pipe (71) is connected with a spray head (72), and the spray head (72) is arranged above the water tank (13); an adjusting stud (73) is arranged at the top end of the water inlet pipe (69), a fixing block (74) is sleeved on the adjusting stud (73), a clamping groove (75) used for forming clamping fit with the bent pipe (71) is formed in the fixing block (74), and a limiting ring (76) abutted to the top end of the fixing block (74) is further arranged on the bent pipe (71); two ends of the adjusting stud (73) located on the fixing block (74) are respectively in threaded connection with a locking nut (77), and the two locking nuts (77) respectively abut against the upper side and the lower side of the fixing block (74).
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| CN202010728053.0A CN111822681B (en) | 2020-07-23 | 2020-07-23 | Cooling device for casting electromagnetic valve body |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114799134B (en) * | 2022-04-26 | 2023-10-20 | 天津宝信铸造股份有限公司 | Control valve system, cast part cooling system and cast part cooling method |
| CN115383097B (en) * | 2022-10-08 | 2023-04-28 | 南通华东油压科技有限公司 | Cooling device for casting main control valve body of excavator |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07171671A (en) * | 1993-12-21 | 1995-07-11 | Matsushita Electric Ind Co Ltd | Method and device for gate breaking of die casting cast iron |
| US8910396B1 (en) * | 2012-05-08 | 2014-12-16 | SEETECH Systems, Inc. | Conveyor tunnel |
| CN206567523U (en) * | 2017-02-06 | 2017-10-20 | 镇平华星机械制造有限公司 | A kind of auto parts machinery casting cooling device |
| CN208082970U (en) * | 2017-12-30 | 2018-11-13 | 苏州富强科技有限公司 | A kind of four work position rotation table formula cleaning devices |
| CN108941434A (en) * | 2018-08-08 | 2018-12-07 | 芜湖蓬翔车桥有限公司 | Cooling device is used in a kind of production of axle hub |
| JP2019010661A (en) * | 2017-06-30 | 2019-01-24 | 特殊電極株式会社 | Post-processing device of cast product |
| CN110042212A (en) * | 2019-04-25 | 2019-07-23 | 常州机电职业技术学院 | Cooling device for machine part |
| CN110079650A (en) * | 2019-04-29 | 2019-08-02 | 温州大学激光与光电智能制造研究院 | Gear cooling assembly line |
| CN110116073A (en) * | 2019-04-29 | 2019-08-13 | 深圳高飞翔塑胶五金制品有限公司 | Full-automatic paint spraying apparatus |
| CN209986199U (en) * | 2019-05-09 | 2020-01-24 | 重庆市桂生机械制造有限公司 | Casting and pressing piece cooling device |
| CN110772348A (en) * | 2019-11-05 | 2020-02-11 | 南方医科大学口腔医院 | Intelligent bracket storage device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210999889U (en) * | 2019-11-02 | 2020-07-14 | 常州市金坛久春五金橡塑制品有限公司 | Rubber preforming machine |
-
2020
- 2020-07-23 CN CN202010728053.0A patent/CN111822681B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07171671A (en) * | 1993-12-21 | 1995-07-11 | Matsushita Electric Ind Co Ltd | Method and device for gate breaking of die casting cast iron |
| US8910396B1 (en) * | 2012-05-08 | 2014-12-16 | SEETECH Systems, Inc. | Conveyor tunnel |
| CN206567523U (en) * | 2017-02-06 | 2017-10-20 | 镇平华星机械制造有限公司 | A kind of auto parts machinery casting cooling device |
| JP2019010661A (en) * | 2017-06-30 | 2019-01-24 | 特殊電極株式会社 | Post-processing device of cast product |
| CN208082970U (en) * | 2017-12-30 | 2018-11-13 | 苏州富强科技有限公司 | A kind of four work position rotation table formula cleaning devices |
| CN108941434A (en) * | 2018-08-08 | 2018-12-07 | 芜湖蓬翔车桥有限公司 | Cooling device is used in a kind of production of axle hub |
| CN110042212A (en) * | 2019-04-25 | 2019-07-23 | 常州机电职业技术学院 | Cooling device for machine part |
| CN110079650A (en) * | 2019-04-29 | 2019-08-02 | 温州大学激光与光电智能制造研究院 | Gear cooling assembly line |
| CN110116073A (en) * | 2019-04-29 | 2019-08-13 | 深圳高飞翔塑胶五金制品有限公司 | Full-automatic paint spraying apparatus |
| CN209986199U (en) * | 2019-05-09 | 2020-01-24 | 重庆市桂生机械制造有限公司 | Casting and pressing piece cooling device |
| CN110772348A (en) * | 2019-11-05 | 2020-02-11 | 南方医科大学口腔医院 | Intelligent bracket storage device |
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