CN115319066A - Casting cooling device for aluminum alloy production and processing - Google Patents
Casting cooling device for aluminum alloy production and processing Download PDFInfo
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- CN115319066A CN115319066A CN202211257930.6A CN202211257930A CN115319066A CN 115319066 A CN115319066 A CN 115319066A CN 202211257930 A CN202211257930 A CN 202211257930A CN 115319066 A CN115319066 A CN 115319066A
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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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- 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
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Abstract
The invention relates to the field of aluminum alloy casting machining, in particular to a casting cooling device for aluminum alloy production machining, which comprises a device main body, wherein a cooling groove is formed in the device main body, cooling liquid is filled in the cooling groove, and a cooling mechanism is arranged in the device main body; cooling body includes first pivot, second pivot, third pivot, first pivot, second pivot, third pivot all run through the rotation through bearing and device main part and are connected, first pivot one end runs through to extend to in the cooling bath and interference fit has the rotation post, and the other end runs through to extend to the device main part outside and interference fit has band pulley II. Has the advantages that: the cooling device has better cooling effect on the castings, does not need manual fishing, improves the processing efficiency, can automatically adjust the circulation speed and the cooling time of the cooling liquid according to the temperature of the castings, and avoids the situation that the castings with higher temperature cannot be cooled well and the castings with lower temperature are cooled excessively.
Description
Technical Field
The invention relates to the technical field of aluminum alloy casting processing, in particular to a casting cooling device for aluminum alloy production and processing.
Background
The aluminum alloy is one of common alloys in our lives, the aluminum alloy is one of light metal materials by adding a certain amount of other alloying elements on the basis of aluminum, the forming process of the aluminum alloy is well understood, wherein casting is one of the light metal materials, and the cast aluminum alloy is an aluminum alloy which is obtained by filling molten metal into a casting mold and obtaining parts blanks in various shapes. The aluminum alloy part casting device has the advantages of low density, high specific strength, good corrosion resistance and casting manufacturability, small limitation of part structural design and the like, the temperature of the aluminum alloy part is often high after the aluminum alloy part is cast, and a cooling device is required to be used for cooling the aluminum alloy part in order to improve the production efficiency.
Among the prior art, current cooling method is often direct including immersing cooling device with the aluminum alloy foundry goods, cool off it through the coolant liquid, the cooling efficiency of this kind of mode is slower, and the cooling is accomplished the back, still need the manual work to salvage the foundry goods in the coolant liquid, and when high temperature foundry goods immerses in the low temperature coolant liquid, can produce more bubble, lead to salvaging inconveniently, influence machining efficiency, and current cooling device can't be according to the foundry goods temperature, adjust the cool time, lead to the higher foundry goods of temperature can't obtain fine cooling, and the lower foundry goods of temperature overcooling.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a casting cooling device for aluminum alloy production and processing.
In order to achieve the purpose, the invention adopts the following technical scheme:
a casting cooling device for aluminum alloy production and processing comprises a device main body, wherein a cooling groove is formed in the device main body, cooling liquid is filled in the cooling groove, and a cooling mechanism is arranged in the device main body;
cooling body includes first pivot, second pivot, third pivot, first pivot, second pivot, third pivot are all run through the rotation with the device main part through the bearing and are connected, first pivot one end runs through and extends to in the cooling bath and interference fit has the rotation post, and the other end runs through and extends to the device main part outside and interference fit has band pulley II, set up drive chamber and pump suction groove in the device main part, second pivot one end runs through and extends to a plurality of blades of drive intracavity and fixedly connected with, and the other end runs through and extends to the device main part is outside, third pivot one end runs through and extends to pump suction groove and interference fit has the driving-disc, and the other end runs through and extends to the device main part is outside, second pivot, third pivot are located the equal interference fit of the outside one end of device main part has band pulley I, two band pulley I cooperates with band pulley II jointly has the hold-in range, a plurality of otter boards of rotation post lateral wall fixedly connected with.
Furthermore, the cooling mechanism further comprises a vortex tube fixedly connected with the side wall of the device body, the cold end and the hot end of the vortex tube are fixedly connected with the side wall of the device body in a penetrating mode, the cold end of the vortex tube penetrates through and extends into the driving cavity, the device body penetrates through and is fixedly connected with a plurality of cold air tubes, one end of each cold air tube penetrates through and extends into the driving cavity, and the other end of each cold air tube penetrates through and extends to the outside of the device body.
Further, be provided with coolant liquid circulation mechanism in the device main part, coolant liquid circulation mechanism is including seting up the sliding tray at pump suction inslot diapire and interior roof, sealed sliding connection has the regulating block in the sliding tray, sliding tray inner wall fixedly connected with a plurality of electric putter I, electric putter I's output with correspond regulating block fixed connection, pump suction inslot lateral wall fixedly connected with fixed frame, fixed frame runs through sliding connection has T shape piston, the regulating tray has all been seted up to T shape piston roof and diapire, sealed sliding connection has T shape slider in the regulating tray, a plurality of springs I of fixedly connected with between T shape slider and the T shape piston, the T shape slider common with pump suction inslot lateral wall and regulating block lateral wall sealed sliding connection, T shape piston and pump suction inslot lateral wall sliding connection, the driving-disc lateral wall rotates through the round pin axle and is connected with the connecting rod, the one end that the driving-disc was kept away from to the connecting rod with the T shape piston rotates through the round pin axle and is connected, a plurality of feed liquor holes, the outage has all with cooling tray and pump suction groove intercommunication, the cooling groove is equipped with thermistor inner wall, the inner wall inlays resistance I and establishes ties through the electric lead.
Further, check valves are arranged in the liquid inlet hole and the liquid discharge hole.
Further, be provided with stoving mechanism in the device main part, stoving mechanism is including seting up a hot air chamber and a plurality of through-hole in the device main part, the through-hole will hot air chamber and cooling bath intercommunication, the equal fixedly connected with of the equal baffle of hot air intracavity roof and interior diapire, the hot junction of vortex tube runs through and extends to the hot air intracavity.
Furthermore, the post department of rotating is provided with multiunit unloading mechanism, unloading mechanism includes a plurality of electric putter II, electric putter II with rotate post fixed connection, the output fixedly connected with arc of electric putter II, two mounting grooves have been seted up to the arc symmetry, sliding connection has the follower plate in the mounting groove, fixedly connected with spring II between follower plate and the arc, the follower plate with correspond otter board lateral wall sliding connection.
The invention has the following advantages:
1. compressed air is divided into cold air and hot air through the vortex tube, the blades are impacted through the compressed air, so that the second rotating shaft rotates, the rotating column rotates through the matching of the belt wheel I, the belt wheel II and the synchronous belt, the casting is sent into cooling liquid through the rotation of the screen plate, the cooled casting is sent out through the screen plate, manual fishing is not needed after cooling is completed, and the machining efficiency is improved;
2. the T-shaped piston is driven to reciprocate by the driving disc and the connecting rod, so that cooling liquid in the cooling tank flows circularly, the cooling liquid is cooled by cold air generated by the vortex tube, meanwhile, the screen plate pushes the cooling liquid to gradually move in the cooling tank, and the casting is better contacted with the cooling liquid through the flowing of the cooling liquid and the moving of the casting, so that the cooling efficiency is improved;
3. sensing the instantaneous temperature of the casting immersed in the cooling liquid through a thermistor, and adjusting the extension length of an electric push rod I so as to adjust the distance between two adjusting blocks, wherein the change of the distance between the two adjusting blocks can change the liquid suction amount of a pump with a T-shaped piston reciprocating once, so that the liquid suction amount of the pump is increased when the temperature of the casting is higher, the circulating flow speed of the cooling liquid in a cooling tank is increased, the cooling efficiency is increased, and otherwise, the circulating speed of the cooling liquid is reduced when the temperature of the casting is lower;
4. when the amount of pumping cooling liquid is changed, the increase and the decrease of the amount of pumping cooling liquid enable the resistance of the driving disc for driving the T-shaped piston to reciprocate to be increased, namely the rotation resistance of the second rotating shaft is increased, further the rotation resistance of the blades is increased, the rotating speed of the whole driving system is reduced, further the rotating speed of the first rotating shaft is reduced, further the speed of the net plate for pushing the casting is reduced, further the retention time of the casting in the cooling liquid is increased, the cooling effect is improved, otherwise, the retention time is reduced, further the situation that the casting with higher temperature cannot be well cooled and the casting with lower temperature is excessively cooled is avoided;
5. the vortex tube divides the compressed air into cold air and hot air, the cold air cools the cooling liquid and drives the rotating shaft to rotate, and meanwhile, the hot air is pumped out to dry the surface of the casting sent out the cooling liquid, so that the subsequent manual drying of the cooling liquid on the surface of the casting is avoided, and the machining efficiency is further improved.
Drawings
FIG. 1 is a schematic structural diagram of a casting cooling device for aluminum alloy production and processing according to the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is an enlarged view of FIG. 2 at D;
FIG. 4 is an enlarged view of FIG. 1 at B;
FIG. 5 is an enlarged view at C of FIG. 1;
FIG. 6 is a partial cross-sectional view taken at E-E of FIG. 1;
FIG. 7 is a side view of a casting cooling apparatus for aluminum alloy production processing according to the present invention.
In the figure: the device comprises a device body 1, a cooling groove 2, a first rotating shaft 3, a rotating column 4, a screen plate 5, a vortex tube 6, a driving cavity 7, a second rotating shaft 8, a blade 9, a pumping groove 10, a third rotating shaft 11, a cold air pipe 12, a belt wheel I13, a belt wheel II 14, a synchronous belt 15, a sliding groove 16, an adjusting block 17, an electric push rod I18, a thermistor 19, a piston 20T, a fixing frame 21, a connecting rod 22, a driving disc 23, an adjusting groove 24, a sliding block 25T, a spring I26, a liquid inlet hole 27, a liquid outlet hole 28, a hot air cavity 29, a baffle 30, an electric push rod II 31, an arc-shaped plate 32, a mounting groove 33, a follower plate 34, a spring II 35 and a through hole 36.
Detailed Description
Referring to fig. 1-7, a casting cooling device for aluminum alloy production and processing comprises a device main body 1, wherein a cooling tank 2 is arranged in the device main body 1, cooling liquid is filled in the cooling tank 2, and a cooling mechanism is arranged in the device main body 1;
the cooling mechanism comprises a first rotating shaft 3, a second rotating shaft 8 and a third rotating shaft 11, wherein the first rotating shaft 3, the second rotating shaft 8 and the third rotating shaft 11 are connected with the device main body 1 in a penetrating and rotating mode through bearings, one end of the first rotating shaft 3 penetrates and extends into the cooling groove 2 and is in interference fit with the rotating column 4, the other end of the first rotating shaft penetrates and extends to the outside of the device main body 1 and is provided with a belt pulley II 14 in interference fit, a driving cavity 7 and a pumping groove 10 are formed in the device main body 1, one end of the second rotating shaft 8 penetrates and extends into the driving cavity 7 and is fixedly connected with a plurality of blades 9, cold air separated by compressed air impacts the blades 9 to enable the blades 9 to drive the second rotating shaft 8 to rotate, the other end of the second rotating shaft penetrates and extends to the outside of the device main body 1, one end of the third rotating shaft 11 penetrates and extends into the pumping groove 10 and is in interference fit with a driving disc 23, and the other end of the third rotating shaft penetrates and extends to the outside of the device main body 1, one end of each of the second rotating shaft 8 and the third rotating shaft 11, which is located outside the device main body 1, is provided with a belt wheel I13 in interference fit, two belt wheels I13 and a belt wheel II 14 are jointly matched with a synchronous belt 15, the outer walls of the belt wheels I13 and the outer walls of the belt wheels II 14 are both provided with teeth, the inner wall of the synchronous belt 15 is also provided with teeth, the belt wheels I13, the belt wheels II 14 and the synchronous belt 15 are in mesh transmission, and the size of the belt wheel I13 is smaller than that of the belt wheel II 14, so that the rotating speed of the belt wheel II 14 is lower, the belt wheel I13 and the belt wheel II 14 can be driven to rotate by smaller force, the stable conveying of castings is ensured, the side wall of the rotating column 4 is fixedly connected with a plurality of screen plates 5, compressed air is divided into cold air and hot air through vortex tubes 6, the blades 9 are impacted by the compressed air, so that the second rotating shaft 8 rotates, the rotating column 4 rotates through the cooperation of the belt wheels I13, the belt wheel II 14 and the synchronous belt 15, the casting is sent into cooling liquid through the rotation of the screen plates 5, after in sending into the coolant liquid, through driving-disc 23 and connecting rod 22 drive T shape piston 20 reciprocating motion, make the coolant liquid circulation flow in the cooling bath 2, cool air through vortex tube 6 production simultaneously cools down the coolant liquid, otter board 5 promotes and removes in the cooling bath gradually, the removal through the flow and the foundry goods of coolant liquid, make better and the coolant liquid contact of foundry goods, the cooling efficiency is improved, the foundry goods after rethread otter board 5 will cool off is seen off, need not to accomplish the back in the cooling, carry out artifical salvage, the machining efficiency is improved.
The cooling mechanism further comprises a vortex tube 6 fixedly connected with the side wall of the device body 1, the input end of the vortex tube 6 is connected with an air compressor, and cold air and hot air can be input into the two ends of the vortex tube 6 through input of compressed air, the prior art is adopted, and the description is omitted here, the cold end and the hot end of the vortex tube 6 are fixedly connected with the side wall of the device body 1 in a penetrating manner, the cold end of the vortex tube 6 penetrates through the driving cavity 7 and extends into the device body 1, the device body 1 penetrates through and is fixedly connected with a plurality of cold air tubes 12, one end of each cold air tube 12 penetrates through and extends into the driving cavity 7, the other end of each cold air tube 12 penetrates through and extends out of the device body 1, as shown in fig. 1, each cold air tube 12 penetrates through a pump suction groove 10 and spirals in the inner part of the device body in a snake shape, the cold air tubes 12 are copper pipe fittings, the contact area between the cold air tubes and the cold air tubes is increased, and the cold air is cooled through the cold air.
A cooling liquid circulating mechanism is arranged in the device main body 1, the cooling liquid circulating mechanism comprises a sliding groove 16 which is arranged on the inner bottom wall and the inner top wall of a pumping groove 10, an adjusting block 17 is connected in the sliding groove 16 in a sealing and sliding manner, as shown in figure 2, a hole is formed in the sliding groove 16 and is communicated with the outside, so that the adjusting block 17 which slides in the sealing and sliding manner can freely slide in the sliding groove 16, a plurality of electric push rods I18 are fixedly connected to the inner wall of the sliding groove 16, the electric push rods I18 are servo electric push rods, the extending length of the electric push rods I18 can be changed according to the current, the output ends of the electric push rods I18 are fixedly connected with the corresponding adjusting blocks 17, a fixed frame 21 is fixedly connected to the inner side wall of the pumping groove 10, a T-shaped piston 20 is connected in a penetrating and sliding manner to the fixed frame 21, adjusting grooves 24 are formed in the top wall and the bottom wall of the T-shaped piston 20, as shown in figure 3, the adjusting grooves 24 are communicated with the outside, so that a T-shaped sliding block 25 can freely slide in the fixed frame 21, the T-shaped slide block 25 is connected in the adjusting groove 24 in a sealing and sliding manner, a plurality of springs I26 are fixedly connected between the T-shaped slide block 25 and the T-shaped piston 20, the stiffness coefficient of the springs I26 is large, so that the T-shaped slide block 25 can move along with the two adjusting blocks 17, meanwhile, the elastic force of the T-shaped slide block 25 can also ensure the sealing and sliding connection between the T-shaped slide block 25 and the adjusting blocks 17, the T-shaped slide block 25 is jointly connected with the side wall of the pumping groove 10 and the side wall of the adjusting blocks 17 in a sealing and sliding manner, the T-shaped piston 20 is connected with the inner side wall of the pumping groove 10 in a sliding manner, the side wall of the driving disc 23 is connected with a connecting rod 22 in a rotating manner through a pin shaft, one end of the connecting rod 22, which is far away from the driving disc 23, is connected with the T-shaped piston 20 in a rotating manner through a pin shaft, a plurality of liquid inlet holes 27 and liquid outlet holes 28 are formed in the device main body 1, the liquid inlet hole 27 and the liquid outlet hole 28 both communicate the cooling groove 2 with the pumping groove 10, and the inner side wall of the cooling groove 2 is embedded with a thermistor 19, the thermistor 19 is increased along with the increase of the temperature of the thermistor, the thermistor 19 is connected with the electric push rod I18 in series through a lead, the temperature at the moment of immersing into a cooling liquid casting is sensed through the thermistor 19, the extending length of the electric push rod I18 is changed according to the temperature, namely when the temperature is higher, the resistance value of the thermistor 19 is larger, the access resistance of the electric push rod I18 is larger, the current is smaller, the extending length of the electric push rod is reduced, namely the distance between the two adjusting blocks 17 is increased, the T-shaped sliding block 25 moves along with the T-shaped sliding block 25, the contact area of the T-shaped piston 20 and the cooling liquid is increased, the driving disc 23 drives the T-shaped piston 20 to slide through the connecting rod 22 is constant, the contact area is increased, more cooling liquid can be pumped even if the T-shaped piston 20 reciprocates once, the circulating flow speed of the cooling liquid in the cooling tank is increased, the cooling efficiency is improved, and conversely, when the temperature is lower, the resistance value of the thermistor 19 is smaller, the liquid pumping speed of the T-shaped piston 20 reciprocates once, and the liquid pumping speed is reduced.
Meanwhile, when the amount of pumping cooling liquid is changed, the increase and decrease of the amount of pumping cooling liquid lead to the change of the contact area between the T-shaped piston 20 and the T-shaped slider 25 and the cooling liquid, and the larger the contact area is, the larger the force required when the T-shaped piston 20 and the T-shaped slider 25 slide is, otherwise, the smaller the force is, so that the resistance of the driving disc driving the T-shaped piston 20 to reciprocate is increased, and the increase of the resistance, namely the rotation resistance of the second rotating shaft 8 is increased, and further the rotation resistance of the blades 9 is increased, and the rotation speed of the belt wheel I13 is reduced, so that the rotation speed of the first rotating shaft 3 is reduced, the speed of the mesh plate 5 pushing the casting is reduced, the residence time of the casting in the cooling liquid is increased, the cooling effect is improved, otherwise, the residence time is reduced, and the situation that the casting with higher temperature cannot be well cooled, and the casting with lower temperature is excessively cooled is avoided.
It is worth mentioning that, when the temperature is too high, the resistance of the cold air generated in the vortex tube 6 when impacting the blade 9 to rotate the second rotating shaft 8 is large, so that the kinetic energy loss is large, the speed of the cold air is reduced, the speed of the cold air flowing through the pumping groove 10 is slower, the cold air can be contacted with the internal cooling liquid for a longer time, the cooling speed of the cooling liquid is faster, namely, when the temperature is too high, the flowing speed of the cooling liquid is improved, meanwhile, the temperature of the cooling liquid is also reduced, and the cooling effect is further improved.
The liquid inlet hole 27 and the liquid outlet hole 28 are both provided with a one-way valve, the one-way valve in the liquid inlet hole 27 only allows the cooling liquid to enter the pumping groove 10 from the cooling groove 2, and the one-way valve in the liquid outlet hole 28 only allows the cooling liquid to enter the cooling groove 2 from the pumping groove 10.
The device main body 1 is internally provided with a drying mechanism, the drying mechanism comprises a hot air cavity 29 and a plurality of through holes 36 which are arranged in the device main body 1, the through holes 36 communicate the hot air cavity 29 with the cooling tank 2, the top wall and the inner bottom wall in the hot air cavity 29 are fixedly connected with a plurality of baffles 30, as shown in fig. 4, the baffles 30 of the top wall and the inner bottom wall in the hot air cavity 29 are distributed in a staggered way, so that hot air entering the hot air cavity 29 can be rubbed and sprayed by the baffles 30, the flow rate of the hot air is enabled to be lower to a certain degree, meanwhile, the baffle 30 closest to the through holes 36 is the baffle 30 fixedly connected with the top wall in the hot air cavity 29, so that the hot air can enter from bottom to top, the air speed of the through holes 36 from bottom to top is gradually reduced, the castings which are sent out cooling liquid are blown by the gradually reduced hot air, the cooling liquid on the surface of the cooled castings is evaporated by the blowing of the hot air, the castings are prevented from being dried by follow-up manual work, the machining efficiency is further improved, and the penetration of the hot end vortex tube 6 extends into the hot air cavity 29.
Rotate 4 departments of post and be provided with multiunit unloading mechanism, unloading mechanism includes a plurality of electric putter II 31, electric putter II 31 and 4 fixed connection of rotation post, electric putter II 31's output fixedly connected with arc 32, two mounting grooves 33 have been seted up to arc 32 symmetry, sliding connection has follow-up plate 34 in mounting groove 33, fixedly connected with spring II 35 between follow-up plate 34 and the arc 32, follow-up plate 34 and the 5 lateral wall sliding connection of otter board that correspond, after the foundry goods cooling is accomplished, start electric putter II 31, make electric putter II 31 drive arc 32 and follow-up plate 34 roll-off, thereby ejecting the foundry goods between two otter boards 5, the artifical taking out of the foundry goods between to otter board 5 has been avoided.
According to the invention, a cast aluminum alloy casting is placed between two screen plates 5, compressed air is supplied into a vortex tube 6 through an air compressor, the vortex tube 6 divides the compressed air into two air flows of cold and hot air, the cold air enters a driving cavity 7 to impact a blade 9, so that the blade 9 drives a second rotating shaft 8 to rotate, the second rotating shaft 8 drives a corresponding belt wheel I13 to rotate, another belt wheel I13 and a belt wheel II 14 to synchronously rotate through the transmission of a synchronous belt 15, the rotation of the belt wheel II 14 drives a first rotating shaft 3 to rotate, a rotating column 4 is rotated, the rotating column 4 drives the screen plates 5 to rotate, and the casting between the screen plates 5 is sent into a cooling tank 2.
Rotation of third pivot 11 drives driving-disc 23 and rotates, driving-disc 23 then drives T shape piston 20 reciprocating motion through connecting rod 22, T shape piston 20 reciprocating motion is with the coolant liquid suction pump in the cooling bath 2 in the groove 10, the rethread outage 28 pump goes into in the cooling bath 2, cool down the coolant liquid through the air conditioning in the cold air duct 12, make the coolant liquid at cooling bath 2 internal circulation flow simultaneously, cooperation otter board 5 promotes the foundry goods and removes, make the coolant liquid fully contact with the foundry goods, cool off it.
In the cooling process, the thermistor 19 senses the temperature at the moment of immersing into a cooling liquid casting, the extending length of the electric push rod I18 is changed according to the temperature, namely when the temperature is higher, the resistance value of the thermistor 19 is larger at the moment, so that the access resistance of the electric push rod I18 is larger, the current of the electric push rod I18 is smaller, the extending length of the electric push rod I18 is reduced, namely the distance between the two adjusting blocks 17 is increased, the T-shaped sliding block 25 moves along with the T-shaped sliding block 25, the contact area of the T-shaped piston 20 and the T-shaped sliding block 25 and the cooling liquid is increased, and the distance for driving the T-shaped piston 20 to slide through the connecting rod 22 by the driving disc 23 is fixed, so that the contact area is increased, namely the T-shaped piston 20 reciprocates once, more cooling liquid can be pumped, the circulation flowing speed of the cooling liquid in the cooling tank is increased, the cooling efficiency is improved, otherwise, when the temperature resistance value is lower, the thermistor 19 is smaller at the moment, the liquid pumping quantity of the T-shaped piston 20 reciprocates once, and the circulation speed of the cooling liquid is reduced.
Meanwhile, when the amount of pumping cooling liquid is changed, the increase and decrease of the amount of pumping cooling liquid are realized, the change of the contact area between the T-shaped piston 20 and the T-shaped sliding block 25 and the cooling liquid is realized, the larger the contact area is, the larger the force required when the T-shaped piston 20 and the T-shaped sliding block 25 slide is, otherwise, the smaller the force is, the resistance for driving the T-shaped piston 20 to reciprocate by the driving disc is increased, and the increase of the resistance is realized, namely, the rotation resistance of the second rotating shaft 8 is increased, further, the rotation resistance of the blades 9 is increased, the rotation speed of the belt wheel I13 is reduced, further, the rotation speed of the first rotating shaft 3 is reduced along with the increase of the resistance, the speed for driving the casting by the screen plate 5 is reduced, the residence time of the casting in the cooling liquid is further increased, the cooling effect is improved, and the residence time is reduced otherwise.
After the casting moves along with the screen 5 and is cooled by the cooling liquid, the casting is sent out by the cooling liquid along with the movement of the screen 5, at the moment, the casting passes through the through hole 36, at the moment, hot gas generated by the vortex tube 6 passes through the hot gas cavity 29, and then the hot gas is sprayed out from the through hole 36 of the hot gas cylinder, so that the cooling liquid on the surface of the cooled casting is dried.
The dried casting continuously moves along with the screen plates 5 until the casting is conveyed to the upper side of the device main body 1, the casting cooled between the screen plates 5 is manually taken down, or the electric push rod II 31 is started, so that the electric push rod II 31 drives the arc-shaped plate 32 and the follow-up plate 34 to slide out, and the casting between the two screen plates 5 is ejected out.
And after the cooled casting is taken out, the casting to be cooled is added between the two mesh plates 5 again, and the cooling operation is continued according to the steps.
Claims (5)
1. The casting cooling device for aluminum alloy production and processing comprises a device main body (1), and is characterized in that a cooling groove (2) is formed in the device main body (1), cooling liquid is filled in the cooling groove (2), and a cooling mechanism is arranged in the device main body (1);
the cooling mechanism comprises a first rotating shaft (3), a second rotating shaft (8) and a third rotating shaft (11), the first rotating shaft (3), the second rotating shaft (8) and the third rotating shaft (11) are connected with the device main body (1) in a penetrating and rotating mode through bearings, one end of the first rotating shaft (3) penetrates into the cooling groove (2) and is in interference fit with a rotating column (4), the other end of the first rotating shaft penetrates into the device main body (1) and extends to the outside of the device main body and is in interference fit with a belt pulley II (14), a driving cavity (7) and a pumping groove (10) are formed in the device main body (1), one end of the second rotating shaft (8) penetrates into the driving cavity (7) and is fixedly connected with a plurality of blades (9), the other end of the second rotating shaft (8) and the third rotating shaft (11) penetrates into the pumping groove (10) and is matched with a driving disc (23), the other end of the third rotating shaft (11) penetrates into the device main body (1) and extends to the outside of the device main body, the second rotating shaft (8) and the third rotating shaft (11) are located at one end of the device main body (1), one end of which is in interference fit with a driving disc I) and is matched with a driving disc (13), and two belt pulleys (13) are connected with a synchronous belt pulley II) and are connected with a side wall (13);
be provided with coolant liquid circulation mechanism in device main part (1), coolant liquid circulation mechanism is including offering at sliding tray (16) of pump suction groove (10) interior diapire and interior roof, sealed sliding connection has adjusting block (17) in sliding tray (16), sliding tray (16) inner wall fixedly connected with a plurality of electric putter I (18), the output of electric putter I (18) with correspond adjusting block (17) fixed connection, pump suction groove (10) inside wall fixedly connected with fixed frame (21), fixed frame (21) run through sliding connection has T shape piston (20), adjusting groove (24) have all been seted up to T shape piston (20) roof and diapire, sealed sliding connection has T shape slider (25) in adjusting groove (24), fixedly connected with a plurality of springs I (26) between T shape slider (25) and T shape piston (20), T shape slider (25) common with pump suction groove (10) lateral wall and adjusting block (17) lateral wall sealed sliding connection, T shape piston (20) and pump suction groove (10) and driving-disc (23) lateral wall are equipped with through round pin roll connecting rod (23) rotation connecting rod (22) the drive-disc (23) rotation connecting rod (22) the drive-on the side wall and the device main part (1) is equipped with a plurality of liquid inlet connecting rod (23) rotation connecting rod (23), the one end rotation connecting rod (23) is kept away from the output of the adjusting groove (24) and the adjusting block (24) is connected with the adjusting groove (24) is connected with the pump suction groove (24) and the adjusting block (24) is connected with the pump suction groove (20) is connected with the pump suction groove (24) is connected with the side wall, the liquid discharge hole (28), liquid inlet hole (27) and liquid discharge hole (28) all will cooling bath (2) and pump suction groove (10) intercommunication, thermistor (19) are inlayed to cooling bath (2) inside wall, thermistor (19) pass through the wire with electric putter I (18) and establish ties.
2. The casting cooling device for aluminum alloy production and processing as claimed in claim 1, wherein the cooling mechanism further comprises a vortex tube (6) fixedly connected with the side wall of the device body (1), the cold end and the hot end of the vortex tube (6) are fixedly connected with the side wall of the device body (1) in a penetrating manner, the cold end of the vortex tube (6) extends into the driving cavity (7) in a penetrating manner, the device body (1) is fixedly connected with a plurality of cold air tubes (12) in a penetrating manner, one end of each cold air tube (12) extends into the driving cavity (7) in a penetrating manner, and the other end of each cold air tube (12) extends to the outside of the device body (1) in a penetrating manner.
3. The casting cooling device for aluminum alloy production and processing as recited in claim 1, wherein check valves are arranged in the liquid inlet hole (27) and the liquid outlet hole (28).
4. The casting cooling device for aluminum alloy production and processing according to claim 2, wherein a drying mechanism is arranged in the device body (1), the drying mechanism comprises a hot air cavity (29) and a plurality of through holes (36) which are arranged in the device body (1), the hot air cavity (29) is communicated with the cooling tank (2) through the through holes (36), a plurality of baffles (30) are fixedly connected to the inner top wall and the inner bottom wall of the hot air cavity (29), and the hot end of the vortex tube (6) penetrates and extends into the hot air cavity (29).
5. The casting cooling device for aluminum alloy production and processing according to claim 1, wherein a plurality of groups of blanking mechanisms are arranged at the rotating column (4), each blanking mechanism comprises a plurality of electric push rods II (31), the electric push rods II (31) are fixedly connected with the rotating column (4), an arc-shaped plate (32) is fixedly connected to an output end of each electric push rod II (31), two installation grooves (33) are symmetrically formed in the arc-shaped plate (32), a follow-up plate (34) is slidably connected in each installation groove (33), a spring II (35) is fixedly connected between each follow-up plate (34) and the arc-shaped plate (32), and each follow-up plate (34) is slidably connected with the corresponding side wall of the mesh plate (5).
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