CN114535544B - Air cooling device for aluminum alloy die castings - Google Patents
Air cooling device for aluminum alloy die castings Download PDFInfo
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- CN114535544B CN114535544B CN202210248935.6A CN202210248935A CN114535544B CN 114535544 B CN114535544 B CN 114535544B CN 202210248935 A CN202210248935 A CN 202210248935A CN 114535544 B CN114535544 B CN 114535544B
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- 238000001816 cooling Methods 0.000 title claims abstract description 120
- 238000004512 die casting Methods 0.000 title claims abstract description 95
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 16
- 238000007664 blowing Methods 0.000 claims abstract description 47
- 238000003825 pressing Methods 0.000 claims abstract description 5
- 238000001514 detection method Methods 0.000 claims description 28
- 230000001105 regulatory effect Effects 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 19
- 238000001931 thermography Methods 0.000 claims description 18
- 238000004458 analytical method Methods 0.000 claims description 16
- 230000001276 controlling effect Effects 0.000 claims description 16
- 238000005485 electric heating Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 230000000052 comparative effect Effects 0.000 claims description 2
- 238000005266 casting Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D46/00—Controlling, supervising, not restricted to casting covered by a single main group, e.g. for safety reasons
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses an aluminum alloy die casting air cooling device which comprises an air cooling box, wherein a base is connected with a bearing at the lower end of the inner side of the air cooling box, a rotating motor is fixedly arranged at the upper end of the air cooling box, a pressing device is fixedly arranged at the lower side shaft end of the rotating motor, a temperature control device is fixedly arranged at the upper end of the air cooling box, a blowing pipe is fixedly arranged at the left end of the inner side of the air cooling box, the blowing pipe is connected with a pipeline of the temperature control device, an adjusting motor is fixedly arranged at the left side of the upper end of the air cooling box, a local cooling device is arranged at the inner side of the air cooling box, the adjusting motor is in torque connection with the local cooling device, an encoder is fixedly connected with the upper side shaft end of the rotating motor, the local cooling device comprises an adjusting screw, an upper bevel gear is fixedly arranged at the outer side of the upper end of the adjusting screw, and the high-efficient cooling function is realized conveniently and efficiently.
Description
Technical Field
The invention is applied to the background of industrial production and the name is an air cooling device for an aluminum alloy die casting.
Background
With the development of scientific technology and industrial production, especially in the technical field of national defense such as aerospace, the application of large-scale aluminum alloy components is more and more, the requirements on aluminum and aluminum alloy components are higher and higher, the defects such as shrinkage cavities, air holes, seepage, slag inclusion and the like are not allowed in aluminum alloy castings except for qualified chemical components, tissue properties, mechanical properties and dimensional accuracy, in actual production, due to the existence of metallurgical defects such as gas and impurities in aluminum, the comprehensive performance of aluminum processed products often cannot meet the requirements, therefore, to obtain high-quality products, the defects must be eliminated in casting, a group of expert students need to study the influence of cooling speed on the formation of air holes of castings, and the results show that the cooling speed is reduced, the content and the size of the air holes can be increased simultaneously, the air holes tend to be irregular, and before the castings are cooled, if the temperatures are the same, the cooling process does not lead to deformation and the like, and if the temperature difference of the temperature of each part of the castings is large, the thick wall part of the castings is increased in the process of continuous cooling, the volume of the castings is increased, and the thick wall part is stressed, and the elastic stress is compressed by elastic stress, and the elastic stress is provided by the elastic stress of the thin wall part and the elastic stress compression device is compressed by the elastic stress, and the elastic stress is formed by the elastic stress of the thin wall, and the elastic stress-tensile stress is compressed by the elastic stress-free stress device.
Disclosure of Invention
The invention aims to provide an air cooling device for aluminum alloy die castings, which aims to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides an aluminum alloy die casting forced air cooling device, contains the forced air cooling case, the inboard lower extreme bearing of forced air cooling case is connected with the base, the upper end fixed mounting of forced air cooling case has the rotating electrical machines, the lower shaft end fixed mounting of rotating electrical machines has closing device, the upper end fixed mounting of forced air cooling case has temperature control device, the inboard left end fixed mounting of forced air cooling case has the blowpipe, blowpipe and temperature control device pipe connection, the upper end left side fixed mounting of forced air cooling case has accommodate motor, the inboard of forced air cooling case is provided with local cooling device, accommodate motor and local cooling device torque connection, the upper side axle end fixedly connected with encoder of rotating electrical machines.
In one embodiment, the local cooling device comprises an adjusting screw, the upper end and the lower end of the adjusting screw are connected with an inner bearing of the air cooling box, an upper bevel gear is fixedly arranged on the outer side of the upper end of the adjusting screw, a lower bevel gear is fixedly arranged on the upper side of the adjusting screw, a universal shaft is fixedly arranged at the output shaft end of the adjusting motor, a transmission bevel gear is fixedly connected to the right side of the universal shaft, a double-section cylinder is fixedly arranged at the upper end of the air cooling box, an adjusting ring is fixedly arranged at the extending shaft end of the double-section cylinder, the inner side of the adjusting ring is movably connected with the shaft end of the transmission bevel gear, an adjusting block is in threaded connection with the outer side of the adjusting screw, an air blowing nozzle is fixedly arranged at the outer side head of the adjusting block, a thermal imaging camera is fixedly arranged at the outer side upper end of the adjusting block, and a common camera is fixedly arranged at the outer side lower end of the adjusting block.
In one embodiment, the temperature control device comprises an electric heating wire, a resistor groove is arranged on the inner side of the temperature control device, a resistor spring block is fixedly arranged on the inner side of the resistor groove, a power supply is electrically connected to the right end of the resistor spring block, a contact block is fixedly arranged at the left end of the resistor groove, conductive liquid is arranged on the left side of the inner part of the resistor groove, an air pressure regulating valve is connected to the right end pipeline of the resistor groove, an air source is connected to the right end pipeline of the air pressure regulating valve, a temporary storage groove is connected to the left side pipeline of the resistor groove, the contact block is fixedly connected with the electric heating wire, a conveying groove is arranged at the lower end of the inner side of the temperature control device, the left end of the conveying groove is connected with a blowing pipe pipeline, and a fan is connected to the right end pipeline of the conveying groove.
In one embodiment, the die casting air cooling system comprises a detection and analysis module and a local temperature control module, wherein the detection and analysis module comprises a temperature detection module, an appearance detection module and an analysis and judgment module, the local temperature control module comprises a high Wen Dingwei module, a temperature control adjustment module and a local cooling module, and the detection and analysis module and the local temperature control module are respectively connected through radio;
the temperature detection module is in signal connection with the thermal imaging camera, the appearance detection module is in signal connection with the common camera, the high-temperature positioning module is in signal connection with the encoder, the temperature control adjusting module is in signal connection with the air pressure adjusting valve, and the local cooling module is in signal connection with the double air-saving cylinders.
In one embodiment, the operation mode of the die casting air cooling system comprises the following steps:
s1, detecting the temperature condition of the periphery of a die casting to be cooled;
s2, detecting the position condition of the die casting to be cooled;
s3, analyzing and judging whether the die casting needs to be cooled locally or not;
s4, marking the high-temperature positions of the die castings, and sequentially sorting the die castings;
s5, adjusting the temperature of air blown out by the blowing pipe according to the actual temperature condition of the die casting;
s6, cooling each high-temperature part of the die casting by controlling the local cooling device;
s7, repeating the steps S1-S6, and achieving the effect of efficiently cooling the die casting.
In one embodiment, the temperature detection module, the appearance detection module and the analysis and judgment module in S1-S3 are as follows:
s31, shooting the color temperature condition around the die casting through a thermal imaging camera, judging the temperature condition of each position of the die casting through the color depth displayed by the thermal imaging camera, shooting the image around the die casting through a common camera and the thermal imaging camera at the same time, and taking the bottom of the inner side of the air cooling box as a basic plane so as to reference the height condition of each position of the comparison die casting;
s32, according to the monitored temperature of each part of the die casting, the highest temperature C High height And the lowest temperature C Low and low Comparing, setting the maximum reasonable temperature difference of die casting cooling as U, if C High height -C Low and low When the temperature is less than or equal to U, the die casting only needs to be cooled by blowing by a blowing pipe, if C High height -C Low and low When the temperature difference is larger than U, local cooling is needed to be carried out on the high-temperature part of the die casting, so that the temperature difference is prevented from being overlarge, and the quality is prevented from being influenced by rapid cooling.
In one embodiment, the manner of the high temperature positioning module in S4 is as follows:
the rotation angle of the die casting is detected through the encoder, the central axis of the base is used as a reference line, the angle coordinate of a certain point on the die casting is obtained, the height coordinate of the certain point is determined through shooting by the common camera, and the height coordinate corresponds to the image shot by the thermal imaging camera, so that the coordinate of each high-temperature point can be obtained.
In one embodiment, the manners of the temperature control adjusting module and the local cooling module in S5-S6 are as follows:
s61, controlling the temperature of the air blown out by the air blowing pipe by controlling the air pressure of the air pressure regulating valve, subtracting the maximum cooling reasonable temperature difference from the detected highest temperature to obtain the temperature of the air blown out by the air blowing pipe at the moment, so that other parts can be prevented from being influenced by the air pressure regulating valve to be rapidly cooled when the die casting is locally cooled, and damage to the die casting is avoided;
s62, calculating the moving speed of the regulating block through the local cooling device according to the rotating speed of the regulating motor, the gear transmission of the regulating motor and the screw pitch of the screw thread, moving the blowing nozzle to the height position of a high temperature point by controlling the engagement time, and then controlling the blowing nozzle to locally cool the point when the high temperature point rotates to the angle of the blowing nozzle according to the relative angle of the central axis of the base where the blowing nozzle is positioned, thereby reducing all the high temperature points to be within a reasonable temperature difference with the low temperature point, then improving the air pressure of the blowing pipe, and rapidly cooling the whole rotating die casting by unheated air, thereby ensuring the quality and improving the cooling speed.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, the die casting air cooling device and the die casting air cooling system are arranged, so that the die casting can be detected and judged to be at the same temperature, and the part with the too high temperature can be locally cooled, so that the quality and the cooling efficiency of the die casting are ensured.
Drawings
Technical solutions and other advantageous effects of the present application will be made apparent from the following detailed description of specific embodiments of the present application with reference to the accompanying drawings.
In the drawings:
FIG. 1 is a schematic view of the overall cross-sectional structure of the present invention;
FIG. 2 is an enlarged schematic view of the area A of the present invention;
FIG. 3 is a schematic cross-sectional view of a temperature control device of the present invention;
FIG. 4 is a schematic diagram of the system architecture of the present invention;
in the figure: 1. an air cooling box; 2. a rotating electric machine; 3. a base; 4. a blowing pipe; 5. a double-section cylinder; 6. adjusting a motor; 7. adjusting a screw; 8. an adjusting block; 9. a compacting device; 10. a universal shaft; 11. an adjusting ring; 12. a transmission bevel gear; 13. an upper bevel gear; 14. a lower bevel gear; 15. an air pressure regulating valve; 16. a temperature control device; 17. heating wires; 18. a resistor groove; 19. a contact block; 20. a temporary storage groove; 21. and a resistance spring block.
Detailed Description
The following disclosure provides many different embodiments or examples for implementing different structures of the present application. In order to simplify the disclosure of the present application, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present application. Furthermore, the present application may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not in themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present application provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize the application of other processes and/or the use of other materials.
Referring to fig. 1-4, the present invention provides the following technical solutions: an aluminum alloy die casting air cooling device comprises an air cooling box 1, a base 3 is connected to a bearing at the lower end of the inner side of the air cooling box 1, a rotating motor 2 is fixedly arranged at the upper end of the air cooling box 1, a pressing device 9 is fixedly arranged at the lower side shaft end of the rotating motor 2, a temperature control device 16 is fixedly arranged at the upper end of the air cooling box 1, a blowing pipe 4 is fixedly arranged at the left end of the inner side of the air cooling box 1, the blowing pipe 4 is connected with the temperature control device 16 through a pipeline, an adjusting motor 6 is fixedly arranged at the left side of the upper end of the air cooling box 1, a local cooling device is arranged at the inner side of the air cooling box 1, the adjusting motor 6 is in torque connection with the local cooling device, an encoder is fixedly connected to the upper side shaft end of the rotating motor 2, a die casting to be cooled is placed on the base 3, the position of the die casting is fixed through the pressing device 9, the rotating motor 2 drives the pressing device 9 to rotate, so that the die casting follows rotation, the local cooling device drives a high temperature point on the die casting in advance through the adjusting motor 6, the blowing pipe 4 is controlled by the temperature of the blowing pipe 16, and the temperature of the high temperature point is prevented from being damaged by other parts when the high temperature point is cooled, and the die casting is not affected by the rapid cooling stress;
the local cooling device comprises an adjusting screw rod 7, the upper end and the lower end of the adjusting screw rod 7 are connected with an inner bearing of the air cooling box 1, an upper bevel gear 13 is fixedly arranged at the outer side of the upper end of the adjusting screw rod 7, a lower bevel gear 14 is fixedly arranged at the upper side of the adjusting screw rod 7, a universal shaft 10 is fixedly arranged at the output shaft end of the adjusting motor 6, a transmission bevel gear 12 is fixedly connected to the right side of the universal shaft 10, a double-section cylinder 5 is fixedly arranged at the upper end of the air cooling box 1, an adjusting ring 11 is fixedly arranged at the extending shaft end of the double-section cylinder 5, the inner side of the adjusting ring 11 is movably connected with the shaft end of the transmission bevel gear 12, an adjusting block 8 is in threaded connection with the outer side of the adjusting screw rod 7, an air blowing nozzle is fixedly arranged at the outer side head of the adjusting block 8, a thermal imaging camera is fixedly arranged at the outer side upper end of the adjusting block 8, a common camera is fixedly arranged at the outer side and lower end of the adjusting block 8, when the height position of the adjusting block 8 needs to be adjusted, the adjusting ring 11 is driven to move up and down by controlling the double air cylinders 5 to extend and retract, the adjusting ring 11 indirectly drives the transmission bevel gear 12 to move up and mesh with the upper bevel gear 13, the transmission bevel gear 12 is driven to move down and mesh with the lower bevel gear 14, the transmission bevel gear 12 can move up and down while keeping the transmission with the adjusting motor 6 by using the universal shaft 10, when the transmission bevel gear 12 meshes with the upper bevel gear 13 for transmission, the adjusting screw 7 rotates clockwise, when the transmission bevel gear 12 meshes with the lower bevel gear 14 for transmission, the adjusting screw 7 rotates anticlockwise, the adjusting block 8 cannot rotate in a long waist groove of a partition plate on the inner side of the air cooling box 1, so that the adjusting block 8 can only move up and down when meshed with the adjusting screw 7 for transmission, and accordingly according to the initial position of the adjusting block 8, the position of the adjusting block 8 is controlled by controlling the forward and backward rotation of the adjusting screw 7;
the temperature control device 16 comprises an electric heating wire 17, a resistor groove 18 is arranged on the inner side of the temperature control device 16, a resistor spring block 21 is fixedly arranged on the inner side of the resistor groove 18, a power supply is electrically connected to the right end of the resistor spring block 21, a contact block 19 is fixedly arranged on the left end of the resistor groove 18, conductive liquid is arranged on the left side of the inner side of the resistor groove 18, an air pressure regulating valve 15 is connected to the right end pipeline of the resistor groove 18, an air source is connected to the right end pipeline of the air pressure regulating valve 15, a temporary storage groove 20 is connected to the left side pipeline of the resistor groove 18, the contact block 19 is fixedly connected with the electric heating wire 17, a conveying groove is arranged on the lower end of the inner side of the temperature control device 16, the left end of the conveying groove is connected with a blowing pipe 4 pipeline, a fan is connected to the right end pipeline of the conveying groove, the air pressure is regulated by the air pressure regulating valve 15, thus, the distance that the resistance spring block 21 moves leftwards in the resistance groove 18 is controlled to overcome the spring force, when the resistance spring block 21 is positioned at the right end of the resistance groove 18, the resistance formed by the conductive liquid in the resistance groove 18 is larger, so that the resistance spring block 21 and the contact block 19 cannot be electrified, when the resistance spring block 21 moves leftwards, the conductive liquid in the resistance groove 18 is extruded into the temporary storage groove 20, the resistance between the contact block 19 and the resistance spring block 21 is reduced, so that the current obtained by the contact block 19 is increased, the heating wire 17 is electrified and heated, the air blown by the fan is blown out from the blowing pipe 4 through the conveying groove where the heating wire 17 is positioned to generate hot air, and the temperature of the hot air blown out by the blowing pipe 4 is freely adjusted by controlling the air pressure of the air pressure regulating valve 15;
the die casting air cooling system comprises a detection and analysis module and a local temperature control module, wherein the detection and analysis module comprises a temperature detection module, an appearance detection module and an analysis and judgment module, the local temperature control module comprises a high Wen Dingwei module, a temperature control adjustment module and a local cooling module, and the detection and analysis module and the local temperature control module are respectively connected through radio;
the temperature detection module is in signal connection with the thermal imaging camera, the appearance detection module is in signal connection with the common camera, the high-temperature positioning module is in signal connection with the encoder, the temperature control adjusting module is in signal connection with the air pressure adjusting valve 15, the local cooling module is in signal connection with the double air-saving cylinders 5, the detection analysis module is used for detecting the whole condition of the die casting to be cooled and judging whether the die casting needs to be cooled locally or not, and the local temperature control module is used for positioning the high-temperature position of the die casting and cooling the die casting locally;
the operation mode of the die casting air cooling system comprises the following steps:
s1, detecting the temperature condition of the periphery of a die casting to be cooled;
s2, detecting the position condition of the die casting to be cooled;
s3, analyzing and judging whether the die casting needs to be cooled locally or not;
s4, marking the high-temperature positions of the die castings, and sequentially sorting the die castings;
s5, adjusting the temperature of air blown out by the blowing pipe 4 according to the actual temperature condition of the die casting;
s6, cooling each high-temperature part of the die casting by controlling the local cooling device;
s7, repeating the steps S1-S6, so that the effect of efficiently cooling the die casting can be achieved;
the modes of the temperature detection module, the appearance detection module and the analysis judgment module in the S1-S3 are as follows:
s31, shooting the color temperature condition around the die casting through a thermal imaging camera, judging the temperature condition of each part of the die casting through the color depth displayed by the thermal imaging camera, shooting the image around the die casting through a common camera and the thermal imaging camera at the same time, and taking the bottom of the inner side of the air cooling box 1 as a basic plane so as to reference the height condition of each position of the comparative die casting;
s32, according to the monitored temperature of each part of the die casting, the highest temperature C High height And the lowest temperature C Low and low Comparing, setting the maximum reasonable temperature difference of die casting cooling as U, if C High height -C Low and low When the temperature is less than or equal to U, the die casting only needs to be cooled by blowing by the blowing pipe 4, if C High height -C Low and low When the temperature is more than U, local cooling is needed to be carried out on the high-temperature part of the die casting, so that the excessive temperature difference is prevented, and the quality is prevented from being influenced by rapid cooling;
the mode of the high-temperature positioning module in the S4 is as follows:
detecting the rotation angle of the die casting through an encoder, taking the central axis of the base 3 as a reference line, obtaining the angle coordinate of a certain point on the die casting, shooting by a common camera to determine the height coordinate of the certain point, and then corresponding to the image shot by a thermal imaging camera, so that the coordinate of each high temperature point can be obtained;
the modes of the temperature control and adjustment module and the local cooling module in the S5-S6 are as follows:
s61, controlling the temperature of the air blown out by the blowing pipe 4 by controlling the air pressure of the air pressure regulating valve 15, and subtracting the maximum cooling reasonable temperature difference from the detected highest temperature to obtain the temperature of the air blown out by the blowing pipe 4 at the moment, so that the other parts can be prevented from being influenced by the air pressure regulating valve to be rapidly cooled when the die casting is locally cooled, and damage to the die casting is avoided;
s62, calculating the moving speed of the regulating block 8 through the local cooling device according to the rotating speed of the regulating motor 6 and the gear transmission and thread pitch of the regulating motor, moving the blowing nozzle to the height position of a high temperature point by controlling the engagement time, and then controlling the blowing nozzle to locally cool the point when the high temperature point rotates to the angle of the blowing nozzle according to the relative angle of the central axis of the base 3 where the blowing nozzle is positioned, thereby reducing all the high temperature points to be within a reasonable temperature difference with the low temperature point, then improving the air pressure through the blowing pipe 4, rapidly cooling the whole rotating die casting by unheated air, and improving the cooling speed while guaranteeing the quality.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; may be directly connected, may be in communication with the interior of two elements or may be in interaction with two elements. It will be understood by those of ordinary skill in the art that the foregoing terms are used herein as the case may be.
The foregoing has described in detail a cleaning device provided by the embodiments of the present application, and specific examples have been applied herein to illustrate the principles and embodiments of the present application, where the foregoing examples are only for aiding in understanding the technical solutions and core ideas of the present application; those of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.
Claims (6)
1. An aluminum alloy die casting air cooling device comprises an air cooling box (1), and is characterized in that: the device comprises a base (3) connected with a bearing at the lower end of the inner side of an air cooling box (1), a rotating motor (2) is fixedly arranged at the upper end of the air cooling box (1), a pressing device (9) is fixedly arranged at the lower shaft end of the rotating motor (2), a temperature control device (16) is fixedly arranged at the upper end of the air cooling box (1), a blowing pipe (4) is fixedly arranged at the left end of the inner side of the air cooling box (1), the blowing pipe (4) is connected with the temperature control device (16) through a pipeline, an adjusting motor (6) is fixedly arranged at the left side of the upper end of the air cooling box (1), a local cooling device is arranged at the inner side of the air cooling box (1), the adjusting motor (6) is in torque connection with the local cooling device, and an encoder is fixedly connected at the upper shaft end of the rotating motor (2);
the local cooling device comprises an adjusting screw (7), the upper end and the lower end of the adjusting screw (7) are connected with inner bearings of an air cooling box (1), an upper bevel gear (13) is fixedly arranged on the outer side of the upper end of the adjusting screw (7), a lower bevel gear (14) is fixedly arranged on the upper side of the adjusting screw (7), a universal shaft (10) is fixedly arranged at the output shaft end of an adjusting motor (6), a transmission bevel gear (12) is fixedly connected to the right side of the universal shaft (10), a double-section air cylinder (5) is fixedly arranged at the upper end of the air cooling box (1), an adjusting ring (11) is fixedly arranged at the extending shaft end of the double-section air cylinder (5), the inner side of the adjusting ring (11) is movably connected with the shaft end of the transmission bevel gear (12), an adjusting block (8) is connected with the outer side threads of the adjusting screw (7), an air blowing nozzle is fixedly arranged at the outer side head of the adjusting block (8), a thermal imaging head is fixedly arranged at the outer side upper end of the adjusting block (8), and a common camera is fixedly arranged at the outer side of the adjusting block (8).
The temperature control device (16) comprises an electric heating wire (17), a resistor groove (18) is formed in the inner side of the temperature control device (16), a resistor spring block (21) is fixedly arranged in the inner side of the resistor groove (18), a power supply is electrically connected to the right end of the resistor spring block (21), a contact block (19) is fixedly arranged at the left end of the resistor groove (18), conductive liquid is arranged on the left side of the inner part of the resistor groove (18), an air pressure regulating valve (15) is connected to a right end pipeline of the resistor groove (18), an air source is connected to a right end pipeline of the air pressure regulating valve (15), a temporary storage groove (20) is connected to a left side pipeline of the resistor groove (18), the contact block (19) is fixedly connected with the electric heating wire (17), a conveying groove is formed in the lower end of the inner side of the temperature control device (16), the left end of the conveying groove is connected with a blowing pipe (4) through a pipeline, and a fan is connected to the right end pipeline of the conveying groove.
The temperature of the air blown out by the blowing pipe (4) is controlled by controlling the air pressure of the air pressure regulating valve (15) so as to obtain the temperature of the air blown out by the blowing pipe (4) at the moment by subtracting the maximum reasonable cooling temperature difference from the detected highest temperature, thereby ensuring that other parts are not affected by the air pressure regulating valve to be quickly cooled when the die casting is locally cooled and avoiding damage to the die casting.
2. The aluminum alloy die casting air cooling device according to claim 1, further comprising a die casting air cooling system, wherein: the die casting air cooling system comprises a detection and analysis module and a local temperature control module, wherein the detection and analysis module comprises a temperature detection module, an appearance detection module and an analysis and judgment module, the local temperature control module comprises a high Wen Dingwei module, a temperature control adjustment module and a local cooling module, and the detection and analysis module and the local temperature control module are respectively connected through radio;
the temperature detection module is in signal connection with the thermal imaging camera, the appearance detection module is in signal connection with the common camera, the high-temperature positioning module is in signal connection with the encoder, the temperature control adjusting module is in signal connection with the air pressure adjusting valve (15), and the local cooling module is in signal connection with the double air-saving cylinders (5).
3. An aluminum alloy die casting air cooling device according to claim 2, wherein: the operation mode of the die casting air cooling system comprises the following steps of:
s1, detecting the temperature condition of the periphery of a die casting to be cooled;
s2, detecting the position condition of the die casting to be cooled;
s3, analyzing and judging whether the die casting needs to be cooled locally or not;
s4, marking the high-temperature positions of the die castings, and sequentially sorting the die castings;
s5, adjusting the temperature of wind blown out by the blowing pipe (4) according to the actual temperature condition of the die casting;
s6, cooling each high-temperature part of the die casting by controlling the local cooling device;
s7, repeating the steps S1-S6, and achieving the effect of efficiently cooling the die casting.
4. An aluminum alloy die casting air cooling device according to claim 3, wherein: the temperature detection module, the appearance detection module and the analysis and judgment module in the S1-S3 are as follows:
s31, shooting the color temperature condition around the die casting through a thermal imaging camera, judging the temperature condition of each part of the die casting through the color depth displayed by the thermal imaging camera, shooting the image around the die casting through a common camera and the thermal imaging camera at the same time, and taking the bottom of the inner side of the air cooling box (1) as a basic plane so as to reference the height condition of each position of the comparative die casting;
s32, comparing the highest temperature Chigh with the lowest temperature Clow according to the monitored temperature of each part of the die casting, setting the maximum reasonable temperature difference of the die casting for cooling as U, if the temperature Chigh-Clow is less than or equal to U, only needing blowing and cooling by a blowing pipe (4), if the temperature Chigh-Clow is more than U, needing to locally cool the high temperature part of the die casting, preventing the temperature difference from being overlarge, and rapidly cooling to influence the quality.
5. An aluminum alloy die casting air cooling device as recited in claim 4, wherein: the mode of the high-temperature positioning module in the S4 is as follows:
the rotation angle of the die casting is detected through the encoder, the central axis of the base (3) is used as a reference line, the angle coordinate of a certain point on the die casting is obtained, the height coordinate of the certain point is shot through the common camera, and the height coordinate corresponds to the image shot by the thermal imaging camera, so that the coordinate of each high temperature point can be obtained.
6. An aluminum alloy die casting air cooling device as recited in claim 5, wherein: the temperature control and adjustment module and the local cooling module in the S5-S6 are as follows:
the moving speed of the adjusting block (8) is calculated according to the rotating speed of the adjusting motor (6) and the gear transmission and the thread pitch of the adjusting motor through the local cooling device, the air blowing nozzle is moved to the height position of the high temperature point through controlling the meshing time, and then the air blowing nozzle is controlled to locally cool the high temperature point when the central axis of the base (3) where the air blowing nozzle is located is used as a reference line according to the relative angle of the base where the air blowing nozzle is located, so that after all the high temperature points are completely reduced to be within a reasonable temperature difference with the low temperature point, the air pressure of the air blowing pipe (4) is improved, the whole rotating die casting is rapidly cooled through unheated air, and the cooling speed is improved while the quality is ensured.
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