A release agent recovery mechanism for aluminum alloy die casting

Abstract

The present invention belongs to the technical field of aluminum alloy die-casting, and specifically is a release agent recovery mechanism for aluminum alloy die-casting, comprising a die-casting mechanism, a cooling mechanism, a recovery mechanism, a protection mechanism and a reflux mechanism; the die-casting mechanism comprises a carrier platform, a die-casting mold and a spray head, the die-casting mold is arranged above the carrier platform, and the spray head is used to spray the release agent into the die-casting mold after the workpiece is taken out; the recovery mechanism comprises a storage box arranged at the bottom of the carrier platform and a filter plate arranged at the upper opening of the storage box; the protection mechanism comprises an absorption hood, a disturbance fan blade, a capture layer and a drive motor, the drive motor generates negative pressure on one side of the absorption hood by controlling the rotation of the disturbance fan blade, the capture layer is arranged in the absorption hood, and is used to capture moisture passing through the absorption hood; through the above-mentioned structural combination, the release agent in the air can enter the capture layer when the air is inhaled and be absorbed by the capture layer, thereby reducing the content of the release agent in the air and reducing the risk of inhalation by the staff as much as possible.

Description

Technical Field

[0001] The invention belongs to the technical field of aluminum alloy die casting, in particular to a release agent recovery mechanism used for aluminum alloy die casting. Background Art

[0002] Aluminum alloy die casting is an efficient aluminum alloy processing technology used to produce aluminum alloy parts with complex shapes. Aluminum alloy liquid is injected into the mold cavity at high temperature and quickly filled with high pressure to form complex parts. The aluminum alloy quickly cools and solidifies in the mold to obtain the final casting. The mold is usually made of alloy steel or special materials with high heat resistance and wear resistance. A release agent spray is required before the mold is used.

[0003] For example, Chinese patent CN209110148U, a release agent recovery spray device, belongs to the field of aluminum alloy die-casting, and aims to provide a spray device that can recover and reuse the release agent. The key points of its technical solution are as follows: it includes a spray structure for spraying the mold cavity; a driving device for driving the spray structure to move to the mold cavity; a recovery device for recovering the release agent after spraying; the spray structure is connected to the driving device, and the recovery device is located below the spraying position; the recovery device includes a collecting tank, a water outlet is opened in the middle of the collecting tank, the water outlet is connected to a return pipe, the end of the return pipe away from the water outlet is connected to the spray structure, and the return pipe is connected to a lifting pump; a filter is provided in the return pipe near the water outlet, and the return pipe is provided with a one-way water outlet below the filter.

[0004] Although the above technology can achieve the recovery of release agent, the impact of the release agent water column will cause water droplets to splash, the influence of air flow will cause the atomized release agent to flow, and the high temperature of the die-casting mold will cause some of the release agent to vaporize, which can easily be inhaled into the lungs of workers in the work area.

[0005] In addition, after the release agent is used, the impact will cause splashing release agent droplets and vaporized release agent, which cannot be effectively recovered due to the uncertainty of their movement trajectory, thereby increasing the consumption rate of the release agent.

[0006] To this end, the present invention provides a release agent recovery mechanism for aluminum alloy die casting. Summary of the Invention

[0007] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0008] The technical solution adopted by the present invention to solve its technical problem is: the release agent recovery mechanism for aluminum alloy die casting described in the present invention includes a die casting mechanism, a cooling mechanism, a recovery mechanism, a protection mechanism and a reflux mechanism.

[0009] The die-casting mechanism includes a carrying platform, a die-casting mold and a spray head. The die-casting mold is arranged above the carrying platform. The spray head is used to spray a release agent into the die-casting mold after the workpiece is taken out.

[0010] The recovery mechanism comprises a storage box arranged at the bottom of the carrying platform and a filter plate arranged at the upper opening of the storage box.

[0011] The protective mechanism includes an absorption hood, a disturbance fan blade, a capture layer and a drive motor. The drive motor generates negative pressure on one side of the absorption hood by controlling the rotation of the disturbance fan blade. The capture layer is arranged in the absorption hood and is used to capture moisture passing through the absorption hood.

[0012] The reflux mechanism includes a control rod, a reflux pipe and an extrusion rod. The control rod is rotatably installed in the absorption cover and is used to control the rotation of the capture layer. The extrusion rod is fixedly installed on the inner wall of the absorption cover and is located on both sides of the control rod.

[0013] The power for the rotation of the control rod is provided by the driving motor, and the rotation and stop of the control rod are controlled by the rotation speed of the disturbance fan blade.

[0014] The absorption cover is communicated with the storage tank through a return pipe.

[0015] Preferably, a control console is fixedly mounted on the upper end surface of the supporting platform, and the die-casting mold is arranged on the outer wall of the control console.

[0016] A bearing bracket is fixedly installed on the upper end surface of the console, and a storage tank for storing a release agent is fixedly installed on the upper end surface of the bearing bracket. The inner cavity of the storage tank is connected to the spray head through a water pump.

[0017] Preferably, a track plate is fixedly mounted on the side wall of the bearing bracket, a mounting plate is slidably mounted on the inner wall of the track plate, and the sprinkler head is fixedly mounted on the outer wall of the mounting plate.

[0018] A control cylinder is fixedly installed on the upper end of the bearing bracket, and a movable end of the control cylinder passes through the bearing bracket and is fixedly connected to the upper end surface of the mounting plate.

[0019] A connecting frame is fixedly installed on the side wall of the bearing platform, and the absorption cover is fixedly installed in the connecting frame.

[0020] Preferably, a transmission shaft is rotatably mounted on the outer wall of the absorption cover through a bearing seat, a transmission box is fixedly mounted on the outer wall of the absorption cover, and a worm gear and a worm that mesh with each other are provided on the inner wall of the transmission box;

[0021] One end of the control rod extends to the outer wall of the absorption cover and is fixedly connected to the center position of the axial end of the worm gear;

[0022] One axial end of the transmission shaft is fixedly connected to the axial end of the worm.

[0023] Preferably, the output shaft of the driving motor is fixedly mounted with a transmission disc, the inner wall of the absorption cover is rotatably mounted with a control shaft, the control shaft is connected to the transmission shaft through a transmission member, and the inner wall of the transmission disc is elastically mounted with a centrifugal slider for pressing the control shaft;

[0024] A plurality of centrifugal sliders are provided, and the plurality of centrifugal sliders are evenly distributed along the axis of the transmission disc.

[0025] Preferably, a friction ring is fixedly mounted on one end of the control shaft extending to the transmission disc, and a friction plate is fixedly mounted on the bottom of the centrifugal slider;

[0026] The side wall of the centrifugal slider is provided with a friction ball for rolling, and the inner wall of the transmission disc is provided with a guide groove for the friction ball to slide.

[0027] Preferably, a connecting piece is fixedly mounted on the outer wall of the control rod, and the connecting piece extends from one end of the control rod to the interior of the capture layer;

[0028] There are multiple connecting pieces, which are evenly arranged along the outer wall of the control rod and are made of elastic material.

[0029] Preferably, a buoyancy block is slidably installed on the inner wall of the return pipe, a conical plug is installed on the bottom of the buoyancy block through a connecting rod, the bottom of the return pipe is set as a conical hole adapted to the outer wall of the conical plug, one end of the return pipe extends to the inner cavity of the storage box, and is provided with a diaphragm for controlling the flow direction.

[0030] Preferably, a cooling box is fixedly mounted on the upper end surface of the absorption hood, a heat exchange plate is fixedly mounted on the bottom of the cooling box, the heat exchange plate extends to the interior of the absorption hood, the heat exchange plate is located on the side of the capture layer away from the disturbance fan blades, a dustproof net is fixedly mounted on one side of the absorption hood, and a chamber connected to the cooling box is provided inside the heat exchange plate.

[0031] Preferably, a control plate is fixedly mounted above the cooling box, the cold end of the control plate is located inside the cooling box, the hot end of the control plate is located outside the cooling box, and a heat conducting plate is fixedly mounted on the outer wall of the cold end of the control plate.

[0032] The beneficial effects of the present invention are as follows:

[0033] 1. The present invention is provided with an absorption hood, a disturbance fan blade, a capture layer and a drive motor. The drive motor generates negative pressure on one side of the absorption hood by controlling the rotation of the disturbance fan blade, thereby generating airflow in the absorption hood. The capture layer is provided in the absorption hood and is used to capture moisture passing through the absorption hood. The capture layer is provided at the front end of the disturbance fan blade. When air is inhaled, the release agent in the air enters the capture layer and is absorbed by the capture layer, thereby reducing the content of the release agent in the air and minimizing the risk of inhalation by workers. The release agent flowing out of the capture layer is squeezed and flows into the storage box through a return pipe. After the release agent is captured by the capture layer, the release agent is recovered, thereby reducing the content of the release agent in the air and improving the recovery efficiency.

[0034] 2. The present invention sets a control shaft, which is connected to the transmission shaft through a transmission member. A centrifugal slider for pressing the control shaft is elastically installed on the inner wall of the transmission disk. When the centrifugal slider clamps the control shaft, the transmission disk rotates to drive the control shaft to rotate, and then drives the transmission shaft to rotate, thereby realizing the rotation adjustment of the control rod and achieving the purpose of squeezing the capture layer. As the speed of the transmission disk increases, the centrifugal force exerted on the centrifugal slider gradually increases until the centrifugal slider separates from the control shaft. At this time, the control shaft loses power and gradually stops. Then, when the disturbance fan blades rotate at high speed, the drive motor only provides power to the disturbance fan blades, thereby reducing energy loss. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] The present invention will be further described below with reference to the accompanying drawings.

[0036] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0037] Figure 2 This is a schematic diagram of the installation of the storage tank in the present invention;

[0038] Figure 3 Schematic diagram of the installation of the filter plate in the present invention;

[0039] Figure 4 is a schematic diagram of the installation of the capture layer in the present invention;

[0040] Figure 5 It is a structural schematic diagram of the heat exchange plate in the present invention;

[0041] Figure 6 It is a structural schematic diagram of the connecting piece in the present invention;

[0042] Figure 7 This is a schematic diagram of the installation of the transmission plate in the present invention;

[0043] Figure 8 It is a schematic diagram of the internal structure of the transmission plate in the present invention;

[0044] Figure 9 It is a structural schematic diagram of the buoyancy block in the present invention.

[0045] In the figure: 1. Carrying platform; 2. Storage box; 3. Connecting frame; 4. Absorption cover; 5. Heat exchange plate; 6. Die-casting mold; 7. Cooling box; 8. Control plate; 9. Carrying bracket; 10. Storage tank; 11. Mounting plate; 12. Sprinkler head; 13. Control cylinder; 14. Control console; 15. Track plate; 16. Filter plate; 17. Return pipe; 18. Dust net; 19. Transmission box; 20. Control rod; 21. Extrusion rod; 22. Transmission shaft; 23. Drive motor; 24. Disturbance fan blade; 25. Capture layer; 26. Heat conduction plate; 27. Connecting plate; 28. Transmission disk; 29. ​​Control shaft; 30. Friction plate; 31. Friction ring; 32. Friction ball; 33. Centrifugal slider; 34. Buoyancy block; 35. Conical plug; 36. Diaphragm. DETAILED DESCRIPTION

[0046] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0047] Example 1:

[0048] like Figures 1 to 9 As shown, the release agent recovery mechanism for aluminum alloy die casting described in the present invention includes a die casting mechanism, a cooling mechanism, a recovery mechanism, a protection mechanism and a reflux mechanism.

[0049] The die-casting mechanism includes a carrier platform 1, a die-casting mold 6 and a spray head 12. The die-casting mold 6 is arranged above the carrier platform 1. Two die-casting molds 6 are provided. During the die-casting process, the two die-casting molds 6 are first clamped together, and then molten liquid aluminum alloy is injected into the interior thereof. After the aluminum alloy is cooled and formed, the two die-casting molds 6 are separated, and the internal workpiece is taken out. The spray head 12 is used to spray a release agent into the die-casting mold 6 after the workpiece is taken out. The spraying demolding machine can, on the one hand, flush the residual metal objects in the die-casting mold 6, and at the same time, cool the die-casting mold 6. After the release agent is sprayed, it can facilitate the demolding of the workpiece in the later stage.

[0050] The recovery mechanism includes a storage box 2 arranged at the bottom of the supporting platform 1 and a filter plate 16 arranged at the upper opening of the storage box 2, wherein the storage box 2 is installed under the supporting platform 1 by bolts, and a through hole for collecting the release agent is provided under the supporting platform 1. After the storage box 2 is installed, the opening at its upper end is aligned with the opening at the bottom of the supporting platform 1.

[0051] During the process of spraying the release agent by the spray head 12, part of the release agent flows to the filter plate 16 by gravity. After the filter plate 16 filters the metal particles in the release agent, the release agent flows into the storage box 2 for recovery. The recovered release agent undergoes subsequent treatment (the subsequent treatment refers to the chemical treatment and physical treatment process in the recovery of the release agent, which is a technical means well known to people in this field and will not be elaborated here) so that it can be reused.

[0052] The protective mechanism includes an absorption hood 4, a disturbance fan blade 24, a capture layer 25 and a drive motor 23. The drive motor 23 generates negative pressure on one side of the absorption hood 4 by controlling the rotation of the disturbance fan blade 24. The outer shell of the drive motor 23 is fixedly connected to the inner wall of the absorption hood 4, and the disturbance fan blade 24 is fixedly connected to the output shaft of the drive motor 23. The disturbance fan blade 24 is driven to rotate by the drive motor 23 to generate airflow in the absorption hood 4.

[0053] Among them, the absorption hood 4 is facing the die-casting mold 6. In the process of spraying the release agent to the die-casting mold 6, the impact of the water column will cause water droplets to splash, and the influence of air flow will cause the atomized release agent to flow. At the same time, the high temperature of the die-casting mold 6 will cause part of the release agent to vaporize. At this time, the absorption hood 4 inhales air, thereby controlling the water mist, part of the water droplets and the vaporized release agent to be sucked into the interior of the absorption hood 4.

[0054] The capture layer 25 is arranged in the absorption cover 4 and is used to capture moisture passing through the absorption cover 4. The capture layer 25 is a common elastic sponge and is arranged at the front end of the disturbance fan blade 24. When the air is inhaled, the release agent in the air enters the capture layer 25 and is absorbed by the capture layer 25, thereby reducing the content of the release agent in the air and reducing the risk of inhalation by the staff as much as possible.

[0055] The reflux mechanism includes a control rod 20, a reflux pipe 17 and an extrusion rod 21. The control rod 20 is rotatably installed in the absorption cover 4 and is used to control the rotation of the capture layer 25. The control rod 20 extends into the capture layer 25 and is fixedly connected to the capture layer 25. Rotating the control rod 20 drives the capture layer 25 to rotate.

[0056] The extrusion rod 21 is fixedly installed on the inner wall of the absorption cover 4 and is located on both sides of the control rod 20. There are two extrusion rods 21, and the two extrusion rods 21 are symmetrically distributed along the center of the rotation axis of the control rod 20. The control rod 20 is rotated to drive the capture layer 25 to rotate, and the capture layer 25 is squeezed by the extrusion rod 21 to discharge the release agent absorbed in the capture layer 25.

[0057] The absorption hood 4 is connected to the storage box 2 through the return pipe 17. One end of the return pipe 17 is connected to the bottom of the absorption hood 4. The release agent flowing out of the squeeze capture layer 25 flows into the storage box 2 through the return pipe 17. After the release agent is captured by the capture layer 25, the part of the release agent is recovered, which reduces the content of the release agent in the air and improves the recovery efficiency at the same time.

[0058] The power for the rotation of the control rod 20 is provided by the drive motor 23, and the rotation and stop of the control rod 20 are controlled by the speed of the disturbance blades 24. During the process of powering on and off the drive motor 23, the speed of the disturbance blades 24 will change. In order to generate sufficient airflow, when absorbing the release agent, the drive motor 23 needs to keep the disturbance blades 24 at a high speed. When the disturbance blades 24 are at a high speed, the control rod 20 stops rotating. At this time, the drive motor 23 only provides power to the disturbance blades 24, thereby reducing energy loss.

[0059] As a preferred embodiment of the present invention, a control console 14 is fixedly installed on the upper end surface of the supporting platform 1, the die-casting mold 6 is arranged on the outer wall of the control console 14, and a hydraulic cylinder is arranged inside the control console 14 for controlling the movement of the die-casting mold 6 to facilitate the engagement and separation of the two die-casting molds 6.

[0060] A supporting bracket 9 is fixedly mounted on the upper end surface of the console 14, and a storage tank 10 for storing a release agent is fixedly mounted on the upper end surface of the supporting bracket 9. The inner cavity of the storage tank 10 is connected to the spray head 12 through a water pump, and the release agent is discharged from the spray head 12 through the water pump to realize the spraying of the release agent.

[0061] The side wall of the supporting bracket 9 is fixedly mounted with a track plate 15, the inner wall of the track plate 15 is slidably mounted with a mounting plate 11, the sprinkler head 12 is fixedly mounted on the outer wall of the mounting plate 11, and the mounting plate 11 slides along the inner wall of the track plate 15, thereby controlling the lifting and sliding of the sprinkler head 12.

[0062] After the die-casting molds 6 are separated, the mounting plate 11 is slid until the spray head 12 is located between the two die-casting molds 6 . Before the die-casting molds 6 are separated, the mounting plate 11 is slid until the spray head 12 is away from the die-casting molds 6 .

[0063] A control cylinder 13 is fixedly installed on the upper end of the supporting bracket 9. The control cylinder 13 is a common hydraulic cylinder. The movable end of the control cylinder 13 passes through the supporting bracket 9 and is fixedly connected to the upper end surface of the mounting plate 11. The control cylinder 13 controls the lifting and lowering of the mounting plate 11.

[0064] A connecting frame 3 is fixedly mounted on the side wall of the supporting platform 1 , and the absorption cover 4 is fixedly mounted in the connecting frame 3 . The connecting frame 3 is used to realize the installation and support of the absorption cover 4 .

[0065] The outer wall of the absorption cover 4 is rotatably mounted with a transmission shaft 22 through a bearing seat. The outer wall of the absorption cover 4 is fixedly mounted with a transmission box 19. The inner wall of the transmission box 19 is provided with a worm wheel and a worm that mesh with each other. Rotating the worm controls the rotation of the worm wheel.

[0066] One end of the control rod 20 extends to the outer wall of the absorption cover 4 and is fixedly connected to the center position of the axial end of the worm gear. By rotating the worm gear, the worm gear is driven to rotate, thereby realizing the rotation adjustment of the control rod 20 and achieving the effect of squeezing the capture layer 25.

[0067] In this embodiment, the worm gear cooperates to drive the capture layer 25 so as to prevent the airflow from causing the capture layer 25 to deflect and the control rod 20 to rotate.

[0068] In addition, in this embodiment, when airflow is generated in the absorption cover 4, the capture layer 25 is located in the airflow and can capture the release agent in the airflow, so there is no restriction on the angle of the capture layer 25 after it is fixed.

[0069] One axial end of the transmission shaft 22 is fixedly connected to the axial end of the worm. Rotating the transmission shaft 22 drives the worm to rotate, thereby realizing the rotation adjustment of the control rod 20.

[0070] As a preferred embodiment of the present invention, a transmission disc 28 is fixedly mounted on the output shaft of the driving motor 23 , and the driving motor 23 drives the transmission disc 28 to rotate, and the transmission disc 28 and the disturbance blades 24 rotate synchronously.

[0071] A control shaft 29 is rotatably mounted on the inner wall of the absorption cover 4. The control shaft 29 is connected to the transmission shaft 22 through a transmission member. Pulleys are provided on the outer walls of the transmission shaft 22 and the control shaft 29. The two pulleys are connected by a belt.

[0072] The inner wall of the transmission disc 28 is elastically mounted with a centrifugal slider 33 for pressing the control shaft 29. The outer wall of the centrifugal slider 33 is provided with a spring, which is connected to the inner wall of the transmission disc 28. The elastic force of the spring presses the centrifugal slider 33, so that the centrifugal slider 33 has a tendency to clamp the control shaft 29 in real time.

[0073] When the centrifugal slider 33 clamps the control shaft 29 , the transmission disc 28 rotates to drive the control shaft 29 to rotate, and then drives the transmission shaft 22 to rotate, thereby realizing the rotation adjustment of the control rod 20 and achieving the purpose of squeezing the capture layer 25 .

[0074] As the speed of the transmission disk 28 increases, the centrifugal force exerted on the centrifugal slider 33 gradually increases until the centrifugal slider 33 is separated from the control shaft 29. At this time, the control shaft 29 loses power and gradually stops. Then, when the disturbance blades 24 rotate at high speed, the drive motor 23 only provides power for the disturbance blades 24. At the same time, before and after the disturbance blades 24 are in high-speed rotation, the extrusion capture layer 25 reduces the content of the release agent therein, which can reduce the content of the release agent in the exhaust gas of the absorption cover 4 when the disturbance blades 24 rotate at high speed.

[0075] In order to maintain uniform force inside the transmission disc 28 when it rotates, a plurality of centrifugal sliders 33 are provided, and the plurality of centrifugal sliders 33 are evenly distributed along the axis of the transmission disc 28, thereby maintaining uniform force inside the transmission disc 28 when it rotates.

[0076] As a preferred embodiment of the present invention, a friction ring 31 is fixedly installed at one end of the control shaft 29 extending to the transmission disk 28, and a friction plate 30 is fixedly installed at the bottom of the centrifugal slider 33. The friction plate 30 and the friction ring 31 are both made of rubber and are used to increase the friction force when the centrifugal slider 33 clamps the control shaft 29.

[0077] The side wall of the centrifugal slider 33 is rolled with friction balls 32, and the inner wall of the transmission disk 28 is provided with a guide groove for the friction balls 32 to slide. By providing the friction balls 32, the friction force of the centrifugal slider 33 can be effectively reduced, thereby improving the sensitivity of the centrifugal slider 33 to sliding under friction.

[0078] A connecting piece 27 is fixedly installed on the outer wall of the control rod 20, and the connecting piece 27 extends to the inside of the capture layer 25 away from one end of the control rod 20. When the control rod 20 is rotated, the force-bearing area is increased by the connecting piece 27. At the same time, the connecting piece 27 serves as a support, which can prevent the capture layer 25 from bending as much as possible when airflow is generated in the absorption cover 4.

[0079] There are multiple connecting pieces 27, which are evenly arranged along the outer wall of the control rod 20 to further increase the contact area. The connecting pieces 27 are made of elastic material, which can facilitate the connecting pieces 27 to pass through the extrusion rod 21 when the control rod 20 is rotated.

[0080] As a preferred embodiment of the present invention, a buoyancy block 34 is slidably installed on the inner wall of the return pipe 17, and a conical plug 35 is installed on the bottom of the buoyancy block 34 through a connecting rod. The bottom of the return pipe 17 is set to a conical hole adapted to the outer wall of the conical plug 35, and the conical plug 35 blocks the return pipe 17 under gravity.

[0081] The release agent flowing out of the extruded capture layer 25 flows into the return pipe 17, and the pages in the return pipe 17 gradually rise until the buoyancy block 34 is controlled to rise by buoyancy, pulling the conical plug 35 to separate from the return pipe 17. At this time, the release agent collected in the return pipe 17 flows into the inner cavity of the storage box 2.

[0082] One end of the return pipe 17 extends to the inner cavity of the storage box 2 and is provided with a diaphragm 36 for controlling the flow direction. The diaphragm 36 is made of rubber and is located on the side of the return pipe 17 close to the storage box 2, thereby realizing one-way communication between the return pipe 17 and the storage box 2. Since the temperature of the release agent collected in the storage box 2 is relatively high, the diaphragm 36 can prevent the liquid inside the storage box 2 from flowing back into the return pipe 17.

[0083] As a preferred embodiment of the present invention, a cooling box 7 is fixedly installed on the upper end surface of the absorption hood 4. The cooling box 7 is used to store coolant. A heat exchange plate 5 is fixedly installed on the bottom of the cooling box 7. The heat exchange plate 5 extends to the interior of the absorption hood 4. There are multiple heat exchange plates 5, which are parallel to each other.

[0084] The heat exchange plates 5 are located on a side of the capture layer 25 away from the disturbance blades 24 . The airflow entering the capture layer 25 first passes through the gaps between the multiple heat exchange plates 5 .

[0085] A dustproof net 18 is fixedly installed on one side of the absorption cover 4 to prevent metal debris from entering the absorption cover 4 and damaging the heat exchange plate 5.

[0086] A chamber connected to the cooling box 7 is provided inside the heat exchange plate 5. The coolant in the cooling box 7 enters the heat exchange plate 5, thereby cooling the heat exchange plate 5 so that the absorption cover 4 can absorb the vaporized release agent and condense it into water droplets, which is convenient for the capture layer 25 to capture.

[0087] A control plate 8 is fixedly installed above the cooling box 7. The control plate 8 is a common semiconductor refrigeration plate. The cold end of the control plate 8 is located inside the cooling box 7, and the hot end of the control plate 8 is located outside the cooling box 7, thereby cooling the coolant inside the cooling box 7.

[0088] Example 2:

[0089] A heat conducting plate 26 is fixedly mounted on the outer wall of the cold end of the control plate 8. The heat conducting plate 26 is a copper plate and extends below the liquid level inside the cooling box 7 to facilitate cooling of the coolant at the cold end of the control plate 8. The heat exchange plate 5 is made of copper to facilitate heat dissipation.

[0090] In this embodiment, the heat exchange plate 5 is located at the bottom of the cooling box 7. When the heat exchange plate 5 absorbs the heat of the vaporized release agent, its temperature rises, causing the temperature of the coolant in the heat exchange plate 5 to rise, thereby causing a temperature difference between the heat exchange plate 5 and the coolant in the cooling box 7, so that the high-temperature coolant inside the heat exchange plate 5 rises and the low-temperature coolant in the cooling box 7 falls, thereby improving the heat exchange effect.

[0091] The above-mentioned front, back, left, right, up and down are all based on the Figure 1 As a benchmark, according to the person's observation perspective, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

[0092] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present invention.

[0093] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the foregoing embodiments. The foregoing embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A release agent recovery mechanism for aluminum alloy die casting, characterized by: Including die casting mechanism, cooling mechanism, recovery mechanism, protection mechanism and reflux mechanism; The die-casting mechanism comprises a carrier platform (1), a die-casting mold (6) and a spray head (12), wherein the die-casting mold (6) is arranged above the carrier platform (1), and the spray head (12) is used to spray a release agent into the die-casting mold (6) after the workpiece is removed; The recovery mechanism comprises a storage box (2) arranged at the bottom of the carrier platform (1) and a filter plate (16) arranged at the upper opening of the storage box (2); The protective mechanism comprises an absorption cover (4), a disturbance fan blade (24), a capture layer (25), and a drive motor (23). The drive motor (23) generates negative pressure on one side of the absorption cover (4) by controlling the rotation of the disturbance fan blade (24). The capture layer (25) is arranged in the absorption cover (4) and is used to capture moisture passing through the absorption cover (4). The reflux mechanism comprises a control rod (20), a reflux pipe (17) and an extrusion rod (21), wherein the control rod (20) is rotatably mounted in the absorption cover (4) and is used to control the rotation of the capture layer (25), and the extrusion rod (21) is fixedly mounted on the inner wall of the absorption cover (4) and is located on both sides of the control rod (20); The power for the control rod (20) to rotate is provided by the drive motor (23), and the rotation and stopping of the control rod (20) are controlled by the rotation speed of the disturbance fan blade (24); The absorption cover (4) is connected to the storage box (2) through a return pipe (17); The output shaft of the driving motor (23) is fixedly mounted with a transmission disc (28), the inner wall of the absorption cover (4) is rotatably mounted with a control shaft (29), the control shaft (29) is connected to the transmission shaft (22) through a transmission member, and the inner wall of the transmission disc (28) is elastically mounted with a centrifugal slider (33) for pressing the control shaft (29); A plurality of centrifugal sliders (33) are provided, and the plurality of centrifugal sliders (33) are evenly distributed along the axis of the transmission disc (28); A friction ring (31) is fixedly mounted on one end of the control shaft (29) extending to the transmission disc (28), and a friction plate (30) is fixedly mounted on the bottom of the centrifugal slider (33); The side wall of the centrifugal slider (33) is provided with a friction ball (32) for rolling, and the inner wall of the transmission plate (28) is provided with a guide groove for the friction ball (32) to slide; A connecting piece (27) is fixedly mounted on the outer wall of the control rod (20), and an end of the connecting piece (27) away from the control rod (20) extends to the interior of the capture layer (25); A plurality of connecting pieces (27) are provided, and the plurality of connecting pieces (27) are evenly arranged along the outer wall of the control rod (20), and the connecting pieces (27) are made of elastic material.

2. A release agent recovery mechanism for aluminum alloy die casting according to claim 1, characterized in that: A control console (14) is fixedly mounted on the upper end surface of the carrier platform (1), and the die-casting mold (6) is arranged on the outer wall of the control console (14); A bearing bracket (9) is fixedly mounted on the upper end surface of the console (14), a storage tank (10) for storing a release agent is fixedly mounted on the upper end surface of the bearing bracket (9), and an inner cavity of the storage tank (10) is connected to the spray head (12) via a water pump.

3. A release agent recovery mechanism for aluminum alloy die casting according to claim 2, characterized in that: A track plate (15) is fixedly mounted on the side wall of the bearing bracket (9), a mounting plate (11) is slidably mounted on the inner wall of the track plate (15), and a spray head (12) is fixedly mounted on the outer wall of the mounting plate (11); A control cylinder (13) is fixedly mounted on the upper end of the supporting bracket (9), and a movable end of the control cylinder (13) passes through the supporting bracket (9) and is fixedly connected to the upper end surface of the mounting plate (11); A connecting frame (3) is fixedly mounted on the side wall of the bearing platform (1), and the absorption cover (4) is fixedly mounted inside the connecting frame (3).

4. A release agent recovery mechanism for aluminum alloy die casting according to claim 3, characterized in that: The outer wall of the absorption cover (4) is rotatably mounted with a transmission shaft (22) via a bearing seat, the outer wall of the absorption cover (4) is fixedly mounted with a transmission box (19), and the inner wall of the transmission box (19) is provided with a worm wheel and a worm that mesh with each other; One end of the control rod (20) extends to the outer wall of the absorption cover (4) and is fixedly connected to the center position of the axial end of the worm gear; One axial end of the transmission shaft (22) is fixedly connected to the axial end of the worm.

5. A release agent recovery mechanism for aluminum alloy die casting according to claim 4, characterized in that: A buoyancy block (34) is slidably mounted on the inner wall of the return pipe (17), a conical plug (35) is mounted on the bottom of the buoyancy block (34) via a connecting rod, the bottom of the return pipe (17) is provided with a conical hole adapted to the outer wall of the conical plug (35), one end of the return pipe (17) extends to the inner cavity of the storage box (2), and a diaphragm (36) for controlling the flow direction is provided.

6. A release agent recovery mechanism for aluminum alloy die casting according to claim 5, characterized in that: A cooling box (7) is fixedly mounted on the upper end surface of the absorption hood (4), a heat exchange plate (5) is fixedly mounted on the bottom of the cooling box (7), the heat exchange plate (5) extends into the interior of the absorption hood (4), the heat exchange plate (5) is located on a side of the capture layer (25) away from the disturbance blades (24), a dustproof net (18) is fixedly mounted on one side of the absorption hood (4), and a chamber communicating with the cooling box (7) is provided inside the heat exchange plate (5).

7. A release agent recovery mechanism for aluminum alloy die casting according to claim 6, characterized in that: A control plate (8) is fixedly mounted above the cooling box (7), a cold end of the control plate (8) is located inside the cooling box (7), a hot end of the control plate (8) is located outside the cooling box (7), and a heat conducting plate (26) is fixedly mounted on the outer wall of the cold end of the control plate (8).

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