Cooling device for post-treatment machining of investment aluminum alloy casting part

Abstract

The invention discloses a cooling device for aftertreatment machining of an investment aluminum alloy casting part, and relates to the technical field of aluminum alloy casting. The cooling device comprises a cooling barrel, and a placement frame is arranged in an inner cavity of the cooling barrel; an air cooling mechanism is arranged in an inner cavity of the cooling barrel and comprises a double-shaft motor fixedly connected to the surface of the cooling barrel, a first bevel gear fixedly connected with the surface of one output shaft of the double-shaft motor and a bevel gear ring meshed with the surface of the first bevel gear. Through steam film breaking and dual-mode collaborative cooling, air cooling and water cooling synergistic effects, the cooling rate of the whole casting is increased, the shrinkage cavity and looseness defects caused by local overheating are eliminated, the cooling effect is improved, the guide assembly drives the guide pipe to periodically swing, a dynamic air curtain is formed to cover the whole surface of the casting, the steam film is forcibly broken, and the casting quality is improved. The bevel gear ring drives the cavity to rotate and spray, a uniform water curtain is formed in cooperation with the surrounding type water tank, and the heat exchange efficiency is improved through double cooling.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of aluminum alloy casting, and particularly relates to a cooling device for post-processing of an investment aluminum alloy casting. BACKGROUND

[0002] Investment casting, also known as lost wax casting, includes processes such as wax pressing, wax repairing, tree assembling, slurry dipping, wax melting, metal liquid pouring and post-processing. Lost wax casting is to make a wax mold of a part to be cast, then coat the wax mold with slurry, which is a mud mold. After the mud mold is dried, it is placed in hot water to melt the internal wax mold. The mud mold with the melted wax mold is taken out and baked into a ceramic mold. After baking, the pouring gate is left when the mud mold is made, and metal melt is poured from the pouring gate. After cooling, the part is completed. As a precision forming process, investment casting is widely used in high-end manufacturing fields such as aerospace and automobile parts. Its core process flow includes shell preparation, molten metal pouring and post-processing cooling, etc. The cooling process after casting is crucial to the performance of the casting. If the cooling is uneven or inefficient, it is easy to cause stress concentration, deformation and even cracks in the casting, affecting the mechanical properties and yield.

[0003] The prior art mainly adopts static water cooling or single air cooling, which has the following defects: low cooling efficiency: the traditional water cooling system relies on fixed flow channels, and uneven water flow distribution is easy to form local steam film, which hinders heat conduction (water cooling efficiency is limited by static flow channel design); thermal stress concentration: single direction air cooling (such as direct blowing of compressed air) leads to large differences in cooling rate of each region of the casting, which is easy to produce residual stress and low cooling efficiency.

[0004] Therefore, we provide a cooling device for post-processing of an investment aluminum alloy casting to solve the above problems. SUMMARY

[0005] The purpose of the present application is to provide a cooling device for post-processing of an investment aluminum alloy casting, which solves the problems of low cooling efficiency, cooling stress concentration and steam film hindering in the prior art by the cooperation of the air cooling mechanism and the water cooling mechanism.

[0006] To solve the above technical problems, the present application is realized by the following technical scheme.

[0007] The application discloses a cooling device for post-processing of a fused mold aluminum alloy casting, which comprises a cooling barrel, wherein an inner cavity of the cooling barrel is provided with a placing rack; the inner cavity of the cooling barrel is provided with an air cooling mechanism, the air cooling mechanism comprises a double-shaft motor fixedly connected to the surface of the cooling barrel, a first bevel gear fixedly connected to the surface of one output shaft of the double-shaft motor, a bevel gear ring meshing with the surface of the first bevel gear, a rotating shaft rotatably connected to the inner side of the cooling barrel through a fixing rod and a bearing seat, a second bevel gear fixedly connected to the surface of the rotating shaft, a third bevel gear meshing with the surface of the second bevel gear, a fixing shaft fixedly connected to the axial center of the third bevel gear, a guide assembly arranged on the surface of the rotating shaft, and a funnel fixedly connected to the inner wall of the cooling barrel through a connecting rod; and the inner cavity of the cooling barrel is further provided with a water cooling mechanism, the water cooling mechanism comprises a cavity fixedly connected to the inner side of the bevel gear ring, a first water pipe communicated with the bottom of the cavity, a first water pump communicated with the surface of the first water pipe, and a surrounding water tank arranged in the inner cavity of the cooling barrel.

[0008] The application is further provided with the first tooth ring fixedly connected to the inner side of the bevel gear ring, the first gear meshing with the inner side of the first tooth ring, and the axial center of the first gear fixedly connected to the surface of the rotating shaft, so that the rotating movement of the bevel gear ring is converted into the rotation of the rotating shaft, power efficient transmission is realized, and synchronous operation of the air cooling mechanism is ensured.

[0009] The application is further provided with the first fan blade fixedly connected to one end of the fixing shaft and penetrating to the outer side of the cooling barrel, and the second fan blade fixedly connected to the other end of the fixing shaft and penetrating to the inner cavity of the funnel, so that the first fan blade connected to one end of the fixing shaft can cool the condenser, the cooling effect of the condenser on the cooling liquid in the condensing pipe is improved, the second fan blade connected to the other end of the fixing shaft can press the airflow into the funnel, the shape of the funnel is designed according to the Bernoulli principle, the airflow is cooled by accelerating the airflow, and the airflow intensity and the cooling efficiency are improved.

[0010] The application is further provided with the condenser fixedly connected to the surface of the cooling barrel through the mounting plate, the condensing pipe communicated with the surface of the condenser, and the condensing pipe arranged in a vortex line on the inner side of the funnel, so that the condenser mainly cools the cooling liquid and drives the cooling liquid to flow in the condensing pipe, the condensing pipe is designed to be arranged in a vortex line in the funnel, the pre-cooled air in the funnel is eliminated, and the cooling effect is improved.

[0011] The application is further provided with the guide assembly, which comprises a driving disc fixedly connected with the surface of the rotating shaft, a fixed plate fixedly connected with the surface of the funnel, a transmission shaft rotatably connected with the inner wall of the fixed plate through a bearing seat, a second gear fixedly connected with the surface of the transmission shaft, a toothed plate meshing with the surface of the second gear, a moving plate fixedly connected with one side of the toothed plate, an extension rod fixedly connected with one side of the moving plate, a spring sleeved on the surface of the extension rod, a driving wheel fixedly connected with one side of the moving plate, a guide pipe communicated with one end of the funnel through a corrugated pipe, the driving disc is rotated by the rotating shaft, the driving wheel is extruded by the contour to make the moving plate reciprocate up and down, the moving plate drives the transmission shaft to rotate through the meshing of the toothed plate and the second gear, the transmission shaft drives the guide pipe to swing, and a swinging air curtain is formed to cover the casting.

[0012] The application is further provided with the extension rod fixedly connected with the surface of the funnel at the other end, the bottom of the driving wheel in contact with the surface of the driving disc, and the extension rod and the spring ensuring that the driving wheel is always in contact with the driving disc, the corrugated pipe connected with the guide pipe to adapt to the swinging and realize stepless swinging adjustment, enhance the uniformity of airflow coverage, and form a swinging air curtain to break the high-temperature gas film and improve the cooling effect.

[0013] The application is further provided with the sliding block fixedly connected with the surface of the bevel gear ring, and the annular sliding groove matched with the sliding block and arranged in the inner side of the cooling barrel, the sliding block and the annular sliding groove being matched to limit the radial displacement of the bevel gear ring and ensure the stability of rotation.

[0014] The application is further provided with the first synchronous wheel fixedly connected with the surface of the other output shaft of the double-shaft motor, the second synchronous wheel driven by the first synchronous wheel through a synchronous belt, and the second water pump fixedly connected with the shaft center of the second synchronous wheel, the second water pipe communicated with the water inlet of the second water pump, the third water pipe communicated with the water outlet of the second water pump, and the other end of the third water pipe communicated with the surface of the ring-shaped water tank, the second water pump being driven by the first synchronous wheel, the synchronous belt and the second synchronous wheel to pump the water in the filling water tank into the ring-shaped water tank through the second water pipe and the third water pipe, so that the water level is maintained, the air cooling and the water cooling are synchronously driven by the single motor, and the energy consumption is reduced.

[0015] The application is further provided with a third gear fixedly connected with the first water pump input shaft, a second gear ring engaged with the surface of the third gear, the second gear ring being fixedly connected to the inside of the cooling barrel, and the first water pipe being penetrated into the inner cavity of the surrounding water tank at one end.

[0016] The application is further provided with a heat exchanger communicated with the cooling barrel through a pipeline at the bottom of the cooling barrel, a water filling tank communicated with the outlet of the heat exchanger through a pipeline, an observation window arranged on the front of the water filling tank, a filling opening arranged on the top of the water filling tank, and a control panel arranged on the front of the cooling barrel.

[0017] The application has the following beneficial effects.

[0018] 1. The application breaks the steam film and realizes double-mode cooperative cooling, so that the overall cooling rate of the casting is improved through the synergistic effect of air cooling and water cooling, the shrinkage porosity defects caused by local overheating are eliminated, the cooling effect is improved, the guide assembly drives the guide pipe to periodically swing, a dynamic air curtain is formed to cover the whole surface of the casting, the steam film is forced to break, the cavity is rotated and sprayed by the bevel gear ring, and a uniform water curtain is formed in cooperation with the surrounding water tank, so that the double cooling improves the heat exchange efficiency.

[0019] 2. The application synchronously drives the air cooling mechanism and the water cooling mechanism by the double-shaft motor, realizes power distribution through the bevel gear transmission and synchronous wheel, reduces the energy consumption of the independent motor, breaks the steam film by the air curtain while the water curtain strengthens the heat absorption, improves the cooling efficiency, and ensures that the external temperature is within the reduction range by the double-layer heat insulation cooling barrel, so that the double-shaft motor is away from the high temperature area and the service life is improved.

[0020] 3. The spray waste water is returned to the water filling tank after being cooled by the heat exchanger, the observation window and the filling opening realize water level monitoring and supply, the condenser pre-cools the air flow combined with the funnel vortex line structure, avoids the influence of hot air backflow on the cooling strength, reduces the surface temperature gradient of the casting, and the spray waste water is recycled after being cooled by the heat exchanger, so that the water resource consumption is reduced.

[0021] Of course, any product implementing the application does not necessarily need to achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed for the description of the embodiments will be briefly introduced.

[0023] Figure 1 It is a perspective view of a cooling device for post-processing of a fused mold aluminum alloy casting.

[0024] Figure 2 It is a sectional view of a cooling barrel in a cooling device for post-processing of a fused mold aluminum alloy casting.

[0025] Figure 3 It is a matching view of a first gear ring and a first gear in a cooling device for post-processing of a fused mold aluminum alloy casting.

[0026] Figure 4 It is a matching view of a first bevel gear and a bevel gear ring in a cooling device for post-processing of a fused mold aluminum alloy casting.

[0027] Figure 5 It is a matching view of a first synchronous wheel and a second synchronous wheel in a cooling device for post-processing of a fused mold aluminum alloy casting.

[0028] Figure 6 It is a matching view of a second bevel gear and a third bevel gear in a cooling device for post-processing of a fused mold aluminum alloy casting.

[0029] Figure 7 It is a perspective view of a guide assembly in a cooling device for post-processing of a fused mold aluminum alloy casting.

[0030] Figure 8 It is a matching view of a condenser and a condensing pipe in a cooling device for post-processing of a fused mold aluminum alloy casting.

[0031] In the drawings: 1, cooling barrel; 2, placing rack; 3, double-shaft motor; 4, first bevel gear; 5, bevel gear ring; 6, rotating shaft; 7, second bevel gear; 8, third bevel gear; 9, fixed shaft; 10, guide assembly; 101, driving disc; 102, fixed plate; 103, transmission shaft; 104, second gear; 105, toothed plate; 106, moving plate; 107, telescopic rod; 108, spring; 109, driving wheel; 1010, guide pipe; 11, hopper; 12, cavity; 13, first water pipe; 14, first water pump; 15, ring-shaped water tank; 16, first toothed ring; 17, first gear; 18, first fan blade; 19, second fan blade; 20, condenser; 21, condensing pipe; 22, sliding block; 23, annular sliding groove; 24, first synchronous wheel; 25, second synchronous wheel; 26, second water pump; 27, second water pipe; 28, third water pipe; 29, third gear; 30, second toothed ring; 31, heat exchanger; 32, water filling tank; 33, observation window; 34, filling opening; 35, control panel. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. The described embodiments are only some of the embodiments of the present application, not all the embodiments.

[0033] Embodiment 1

[0034] Please refer to Figures 1-8 The present application is a kind of cooling device for post-processing of investment casting aluminum alloy castings, comprising a cooling barrel 1, a placing rack 2 is arranged in the inner cavity of the cooling barrel 1; a forced air cooling mechanism is arranged in the inner cavity of the cooling barrel 1, the forced air cooling mechanism comprises a double-shaft motor 3 fixedly connected to the surface of the cooling barrel 1, a first bevel gear 4 fixedly connected to the surface of one of the output shafts of the double-shaft motor 3, a bevel gear ring 5 meshing with the surface of the first bevel gear 4, a rotating shaft 6 rotatably connected to the inner side of the cooling barrel 1 through a fixed rod and a bearing seat, a second bevel gear 7 fixedly connected to the surface of the rotating shaft 6, a third bevel gear 8 meshing with the surface of the second bevel gear 7, a fixed shaft 9 fixedly connected to the axis of the third bevel gear 8, a guide assembly 10 arranged on the surface of the rotating shaft 6, a hopper 11 fixedly connected to the inner wall of the cooling barrel 1 through a connecting rod, a first toothed ring 16 fixedly connected to the inner side of the bevel gear ring 5, a first gear 17 meshing with the inner side of the first toothed ring 16, the first gear 17 being fixedly connected to the surface of the rotating shaft 6 at the axis thereof, a first fan blade 18 fixedly connected to the outer side of the cooling barrel 1 at one end of the fixed shaft 9, a second fan blade 19 fixedly connected to the inner cavity of the hopper 11 at the other end of the fixed shaft 9, a condenser 20 fixedly connected to the surface of the cooling barrel 1 through a mounting plate, a condensing pipe 21 communicating with the surface of the condenser 20, the condensing pipe 21 being arranged in a vortex line on the inner side of the hopper 11, a sliding block 22 fixedly connected to the surface of the bevel gear ring 5, and an annular sliding groove 23 matching the sliding block 22 being formed in the inner side of the cooling barrel 1.

[0035] Further supplemented; the cooling barrel 1 adopts a double-layer heat insulation structure, the inner layer is a high-temperature-resistant ceramic layer, and the outer layer is coated with a polyurethane foaming layer to avoid heat transfer. Moreover, since the double-shaft motor 3 is arranged outside the cooling barrel 1, the hot gas of the castings cannot damage the double-shaft motor 3, ensuring stable operation of the double-shaft motor 3. The placing rack 2 is composed of a stainless steel grid, which facilitates the placement of the castings. The funnel 11 is arranged in a circumferential array, and the inside of the bevel gear ring 5 is fixed with a first tooth ring, which is engaged with the first gear 17 on the rotating shaft 6, converting the rotary motion of the bevel gear ring 5 into the rotation of the rotating shaft 6, realizing efficient power transmission and ensuring synchronous operation of the air cooling mechanism. The first fan blade 18 connected to one end of the fixed shaft 9 can cool the condenser 20, improving the cooling effect of the condenser 20 on the cooling liquid in the condensing pipe 21. The second fan blade 19 connected to the other end of the fixed shaft 9 presses the airflow into the funnel 11. The shape of the funnel 11 is designed in accordance with the Bernoulli principle, which accelerates the airflow and cools it, improving the airflow intensity and cooling efficiency. The condenser 20 (which belongs to the prior art) mainly cools the cooling liquid and drives it to flow in the condensing pipe 21. By designing the condensing pipe 21 to be arranged in a vortex line inside the funnel 11, the pre-cooled air entering the funnel 11 eliminates hot air backflow and enhances cooling efficiency. The sliding block 22 cooperates with the annular sliding groove 23 to limit the radial displacement of the bevel gear ring 5, ensuring stable rotation. The air cooling mechanism forms a forced airflow, which, together with the swinging air curtain of the guide assembly 10, covers the entire surface of the castings, avoiding cooling dead angles.

[0036] Example 2

[0037] Please refer to Figures 1-8 On the basis of example 1, the guide assembly 10 includes a driving disc 101 fixedly connected to the surface of the rotating shaft 6, a fixed plate 102 fixedly connected to the surface of the funnel 11, a transmission shaft 103 rotatably connected to the inner wall of the fixed plate 102 through a bearing seat, a second gear 104 fixedly connected to the surface of the transmission shaft 103, a toothed plate 105 engaged with the surface of the second gear 104, a moving plate 106 fixedly connected to one side of the toothed plate 105, an extension rod 107 fixedly connected to one side of the moving plate 106, a spring 108 sleeved on the surface of the extension rod 107, a driving wheel 109 fixedly connected to one side of the moving plate 106, a guide pipe 1010 in communication with one end of the funnel 11 through a corrugated pipe, and the other end of the extension rod 107 is fixedly connected to the surface of the funnel 11. The bottom of the driving wheel 109 is in contact with the surface of the driving disc 101.

[0038] Further supplement; the structure of the guide assembly 10 includes a driving disc 101, a fixed plate 102, a transmission shaft 103, a second gear 104, a toothed plate 105, a moving plate 106, an extension rod 107, a spring 108, a driving wheel 109, and a guide pipe 1010. The driving disc 101 is rotated by the rotating shaft 6. The driving wheel 109 is pressed by the profile to make the moving plate 106 reciprocate up and down. The moving plate 106 drives the transmission shaft 103 to rotate through the meshing of the toothed plate 105 and the second gear 104. The transmission shaft 103 drives the guide pipe 1010 to swing, forming a swinging air curtain covering the casting. The extension rod 107 and the spring 108 ensure that the driving wheel 109 always contacts the driving disc 101. The corrugated pipe connects the guide pipe 1010 to adapt to the swing, realizing stepless swing adjustment, enhancing the uniformity of airflow coverage, and at the same time forming a swinging air curtain to break the high-temperature gas film, improving the cooling effect.

[0039] Example 3

[0040] Please refer to Figures 1-8 On the basis of example 1 and example 2, the inner cavity of the cooling barrel 1 is also provided with a water cooling mechanism. The water cooling mechanism includes a cavity 12 fixedly connected to the inner side of the bevel gear ring 5, a first water pipe 13 communicating with the bottom of the cavity 12, a first water pump 14 communicating with the surface of the first water pipe 13, a surrounding water tank 15 arranged in the inner cavity of the cooling barrel 1, a first synchronous wheel 24 fixedly connected to the surface of the other output shaft of the double-shaft motor 3, a second synchronous wheel 25 connected to the surface of the first synchronous wheel 24 through a synchronous belt transmission, a second water pump 26 fixedly connected to the shaft center of the second synchronous wheel 25, a second water pipe 27 communicating with the water inlet of the second water pump 26, a third water pipe 28 communicating with the water outlet of the second water pump 26, the other end of the third water pipe 28 communicating with the surface of the surrounding water tank 15, a third gear 29 fixedly connected to the input shaft of the first water pump 14, a second toothed ring 30 meshing with the surface of the third gear 29, the second toothed ring 30 being fixedly connected to the inner side of the cooling barrel 1, one end of the first water pipe 13 penetrating into the inner cavity of the surrounding water tank 15, a heat exchanger 31 communicating with the bottom of the cooling barrel 1 through a pipeline, a water filling tank 32 communicating with the water outlet of the heat exchanger 31 through a pipeline, an observation window 33 arranged on the front of the water filling tank 32, a filling port 34 arranged on the top of the water filling tank 32, and a control panel 35 arranged on the front of the cooling barrel 1.

[0041] Further supplement; the number of cavities 12 is six, and arranged in a circular array, the input shaft of the first water pump 14 is fixed with the third gear 29, which is engaged with the second gear ring 30 inside the cooling barrel 1, when the bevel gear ring 5 rotates, the third gear 29 rolls along the second gear ring 30, driving the first water pump 14 to rotate and pump water, the first water pump 14 pumps the cooling water in the surrounding water tank 15 to the cavities 12 through the first water pipe 13, realizing rotating spraying, at the same time, the cavities 12 rotate with the bevel gear ring 5, so that the cooling water is sprayed from the nozzles on the surface of the cavities 12 through the first water pipe 13, forming a surrounding water curtain spray, uniformly covering the surface of the casting, breaking the steam film, improving the heat exchange efficiency, at the same time, the other output shaft of the double-shaft motor 3 drives the second water pump 26 through the first synchronous wheel 24, synchronous belt and second synchronous wheel 25, pumps the water in the filling tank 32 into the surrounding water tank 15 through the second water pipe 27 and third water pipe 28, maintaining the water level, single motor synchronous driving air cooling and water cooling, reducing energy consumption, the spray waste water is connected to the filling tank 32 through the heat exchanger 31, the filling tank 32 is provided with an observation window 33 and a filling port 34, the spray waste water is collected and recycled after being cooled by the heat exchanger, reducing water consumption.

[0042] The working principle of the present application is that the casting is placed on the placing rack 2, and then the placing rack 2 is placed in the inner cavity of the cooling barrel 1, and the double-shaft motor 3 and the condenser 20 are started by the control panel 35.

[0043] After the double-shaft motor 3 is started, the output shaft drives the first bevel gear 4 to rotate the bevel gear ring 5 (the sliding block 22 slides along the annular sliding groove 23 to ensure stability), the bevel gear ring 5 drives the rotating shaft 6 to rotate through the first gear ring 16 and the first gear 17, the rotating shaft 6 drives the fixed shaft 9 to rotate through the second bevel gear 7 and the third bevel gear 8, the fixed shaft 9 drives the first fan blade 18 and the second fan blade 19 to rotate, the first fan blade 18 can cool the condenser 20, improving the cooling effect of the condenser 20 on the cooling liquid in the condensing pipe 21, the second fan blade 19 pressurizes the air flow into the funnel 11, the funnel 11 is designed according to the Bernoulli principle, which can accelerate the flow of air and cool the air flow, improving the air flow intensity and cooling efficiency, the condenser 20 and the condensing pipe 21 pre-cool the air entering the funnel 11, eliminating hot air backflow and strengthening cooling effect.

[0044] At the same time, the rotating shaft 6 drives the driving disc 101 to rotate, the driving wheel 109 is extruded by the contour to make the moving plate 106 move up and down reciprocally, the moving plate 106 drives the transmission shaft 103 to rotate through the engagement of the gear plate 105 and the second gear 104, the transmission shaft 103 drives the guide pipe 1010 to swing, enhancing the uniformity of air flow coverage, forming a swinging air curtain to cover the casting, breaking the high-temperature gas film and improving the cooling effect.

[0045] At the same time, the bevel gear ring 5 rotates, the third gear 29 rolls along the second gear ring 30, drives the first water pump 14 to rotate and pump water, the first water pump 14 pumps the cooling water in the ring water tank 15 to the cavity 12 through the first water pipe 13, realizes rotating spray, and the cavity 12 rotates with the bevel gear ring 5, so that the cooling water is sprayed from the nozzle on the surface of the cavity 12 through the first water pipe 13, forms a ring water curtain spray, uniformly covers the surface of the casting, breaks the steam film, and improves the heat exchange efficiency.

[0046] At the same time, the other output shaft of the double-shaft motor 3 drives the second water pump 26 through the first synchronous wheel 24, the synchronous belt and the second synchronous wheel 25, pumps the water in the filling water tank 32 into the ring water tank 15 through the second water pipe 27 and the third water pipe 28, maintains the water level, synchronously drives the air cooling and water cooling by the single motor, reduces the energy consumption, returns the waste water to the filling water tank 32 after cooling by the heat exchanger 31, monitors the water level by the observation window 33, supplements water by the filling port 34, reduces the water resource consumption, the first water pump 14 pumps the cooling water in the ring water tank 15 to the rotating cavity 12, forms a centrifugal water curtain spray, the second water pump 26 supplements water from the filling water tank 32 to the ring water tank 15, the air curtain breaks the steam film, the water curtain efficiently absorbs heat, realizes uniform cooling, and improves the cooling effect.

[0047] The above only describes some exemplary embodiments of the present application by way of illustration, and it is needless to say that the described embodiments can be modified in various ways without departing from the spirit and scope of the present application for those skilled in the art. Therefore, the above figures and description are illustrative in nature and should not be understood as limiting the scope of protection of the claims of the present application.

Claims

1. A cooling device for post-processing of investment castings of aluminum alloys, comprising a cooling tank (1), characterized in that: The cooling tank (1) is provided with a placement rack (2) inside its cavity; The cooling tank (1) is equipped with an air-cooling mechanism. The air-cooling mechanism includes a dual-axis motor (3) fixedly connected to the surface of the cooling tank (1), a first bevel gear (4) fixedly connected to the surface of one of the output shafts of the dual-axis motor (3), a bevel gear ring (5) meshing with the surface of the first bevel gear (4), a rotating shaft (6) rotatably connected to the inside of the cooling tank (1) through a fixed rod and a bearing seat, a second bevel gear (7) fixedly connected to the surface of the rotating shaft (6), a third bevel gear (8) meshing with the surface of the second bevel gear (7), a fixed shaft (9) fixedly connected to the axis of the third bevel gear (8), a guide assembly (10) provided on the surface of the rotating shaft (6), and a funnel (11) fixedly connected to the inner wall of the cooling tank (1) through a connecting rod. The cooling barrel (1) is also provided with a water cooling mechanism, which includes a cavity (12) fixedly connected to the inner side of the conical ring (5), a first water pipe (13) connected to the bottom of the cavity (12), a first water pump (14) connected to the surface of the first water pipe (13), and a surrounding water tank (15) provided in the inner cavity of the cooling barrel (1).

2. The cooling device for post-processing of investment castings of aluminum alloy as described in claim 1, characterized in that: The inner side of the bevel ring (5) is fixedly connected to a first toothed ring (16), and the inner side of the first toothed ring (16) is meshed with a first gear (17). The axis of the first gear (17) is fixedly connected to the surface of the rotating shaft (6).

3. The cooling device for post-processing of investment castings of aluminum alloy as described in claim 1, characterized in that: One end of the fixed shaft (9) extends through to the outside of the cooling barrel (1) and is fixedly connected to the first fan blade (18), and the other end of the fixed shaft (9) extends through to the inner cavity of the funnel (11) and is fixedly connected to the second fan blade (19).

4. A cooling device for post-processing of investment castings of aluminum alloys according to claim 1, characterized in that: A condenser (20) is fixedly connected to the surface of the cooling tank (1) by a mounting plate. A condenser tube (21) is connected to the surface of the condenser (20). The condenser tube (21) is arranged in a vortex pattern inside the funnel (11).

5. A cooling device for post-processing of investment castings of aluminum alloys according to claim 1, characterized in that: The guide assembly (10) includes a drive disc (101) fixedly connected to the surface of the rotating shaft (6), a fixed plate (102) fixedly connected to the surface of the funnel (11), a transmission shaft (103) rotatably connected to the inner wall of the fixed plate (102) through a bearing seat, a second gear (104) fixedly connected to the surface of the transmission shaft (103), a toothed plate (105) meshing with the surface of the second gear (104), a movable plate (106) fixedly connected to one side of the toothed plate (105), a telescopic rod (107) fixedly connected to one side of the movable plate (106), a spring (108) sleeved on the surface of the telescopic rod (107), a drive wheel (109) fixedly connected to one side of the movable plate (106), and a guide tube (1010) connected to one end of the funnel (11) through a bellows.

6. A cooling device for post-processing of investment castings of aluminum alloys according to claim 5, characterized in that: The other end of the telescopic rod (107) is fixedly connected to the surface of the funnel (11), and the bottom of the drive wheel (109) is in contact with the surface of the drive disc (101).

7. A cooling device for post-processing of investment castings of aluminum alloys according to claim 1, characterized in that: The surface of the bevel ring (5) is fixedly connected to a slider (22), and the inner side of the cooling tank (1) is provided with an annular groove (23) that is compatible with the slider (22).

8. A cooling device for post-processing of investment castings of aluminum alloys according to claim 1, characterized in that: The surface of the other output shaft of the dual-axis motor (3) is fixedly connected to a first synchronous pulley (24). The surface of the first synchronous pulley (24) is connected to a second synchronous pulley (25) via a synchronous belt drive. The shaft of the second synchronous pulley (25) is fixedly connected to a second water pump (26). The inlet of the second water pump (26) is connected to a second water pipe (27). The outlet of the second water pump (26) is connected to a third water pipe (28). The other end of the third water pipe (28) is connected to the surface of the surrounding water tank (15).

9. A cooling device for post-processing of investment castings of aluminum alloys according to claim 1, characterized in that: The input shaft of the first water pump (14) is fixedly connected to a third gear (29), and a second toothed ring (30) meshes with the surface of the third gear (29). The second toothed ring (30) is fixedly connected to the inside of the cooling barrel (1), and one end of the first water pipe (13) extends into the inner cavity of the surrounding water tank (15).

10. A cooling device for post-processing of investment castings of aluminum alloys according to claim 1, characterized in that: The bottom of the cooling tank (1) is connected to a heat exchanger (31) via a pipe. The outlet of the heat exchanger (31) is connected to a water tank (32) via a pipe. The front of the water tank (32) is provided with an observation window (33). The top of the water tank (32) is provided with a filling port (34). The front of the cooling tank (1) is provided with a control panel (35).

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