Cooling and conveying device for metal automobile part die casting

Abstract

The invention discloses a metal automobile accessory die casting cooling and conveying device, and relates to the technical field of automobile accessory die casting cooling, the metal automobile accessory die casting cooling and conveying device comprises a fixing frame, a collecting box arranged on the lower portion of the fixing frame and a protective cover arranged on the top of the fixing frame, one side of the top of the protective cover is provided with water purifying equipment, the middle of the protective cover is provided with an absorber, and the other side of the top of the protective cover is provided with an air cooler; a chain scraper conveyor is installed in the fixing frame, supporting plates are installed on the conveying face of the chain scraper conveyor at equal intervals, and a connecting mechanism is arranged on the lower portions of the supporting plates. A fog cooling mechanism is arranged below the water purification equipment; through cooperation of the supporting plate, the connecting mechanism and the fog cooling mechanism, cooling continuity is improved when automobile accessory die castings are conveyed, and through cooperation of the layout of the liquid spraying pipes arranged in a staggered mode, cooling liquid forms a flat cambered surface fog field covering the whole supporting plate; the hole structure of the casting is purged by directional airflow, and the problem that internal accumulated liquid is difficult to remove through traditional standing cooling is solved; and the cooling effect and speed of the automobile part die casting in the conveying process are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of cooling of auto parts die-castings, and particularly to a cooling and conveying device for metal auto parts die-castings. Background Art

[0002] In the production process of automotive die-castings, the cooling link directly affects product quality and production efficiency; the traditional conveying and cooling equipment has the following technical bottlenecks: (1) The traditional spray device uses fixed nozzles, and the coolant only covers a partial area of the casting, resulting in a large surface temperature gradient and easy generation of thermal stress deformation. Static cooling relies on natural convection, and the heat dissipation rate is low, unable to meet the beat requirements of high-speed production lines; (2) In the pores or blind holes of complex structure die-castings (such as engine cylinder blocks), it is easy to retain coolant, and the traditional static cooling cannot completely discharge it by gravity, affecting subsequent heat treatment or surface treatment processes; (3) The traditional gear-rack drive is prone to disengagement due to vibration or wear, affecting the stability of the pallet rotation, and the intermittent operation is difficult to precisely match the production line rhythm, resulting in interruption of the cooling process; therefore, the above problems need to be improved. Summary of the Invention

[0003] The purpose of the present invention is to solve the defects existing in the prior art, and to propose a cooling and conveying device for metal auto parts die-castings.

[0004] To achieve the above purpose, the present invention adopts the following technical scheme: A cooling and conveying device for metal auto parts die-castings, including a fixed frame, a collection box arranged at the lower part of the fixed frame, and a protective cover arranged at the top of the fixed frame. A water purification device is installed on one side of the top of the protective cover, a steam absorber is installed in the middle, and an air cooler is installed on the other side of the top; A liquid extraction pipe is installed on the water purification device, and the bottom end of the liquid extraction pipe is communicated with the inside of the collection box; A chain conveyor is installed inside the fixed frame, and a driving motor for the rotation of the chain conveyor is installed on the front end face of the fixed frame. Multiple pallets for supporting auto parts die-castings are equidistantly installed on the conveying surface of the chain conveyor. A connecting mechanism for cooperating with the chain conveyor is arranged below the pallet; A mist cooling mechanism is arranged below the water purification device.

[0005] Preferably, a plurality of mounting holes are formed in the chain plates of the chain conveyor, a rotating pipe is rotatably installed in the mounting holes, a plurality of double-fold plates are arranged on the inner side of the upper part of the collection box, a plurality of single-fold plates are arranged on the inner side of the lower part of the collection box, and a flat flow layer is spaced between the double-fold plates and the single-fold plates; The bottom end of the liquid extraction pipe is located between the flat flow layers.

[0006] Preferably, the fog cooling mechanism includes a water outlet pipe installed at the bottom of the water purification device, a telescopic pipe installed at the bottom end of the water outlet pipe, a split-flow flat pipe installed at the bottom end of the telescopic pipe, and a plurality of electric push rods installed on the peripheral side of the bottom of the water outlet pipe. The bottom of the telescopic end of the electric push rod is connected to the split-flow flat pipe. A plurality of liquid spraying pipes are equidistantly installed at the bottom of the split-flow flat pipe, and a rotary spraying assembly is installed at the lower part of the liquid spraying pipe.

[0007] Preferably, the rotary spraying assembly includes an inner insertion pipe rotatably installed inside the lower part of the liquid spraying pipe, a rotary nozzle fixedly connected to the bottom end of the inner insertion pipe, a driving ring plate sleeved at the bottom end of the liquid spraying pipe, and an annular groove opened at the top of the driving ring plate. An external gear ring is sleeved on the outer wall of the inner insertion pipe located in the inner circle of the driving ring plate. A transmission port is opened on one inner wall of the annular groove, and a transmission gear meshing with the external gear ring is rotatably provided in the transmission port. A driving gear meshing with the transmission gear is rotatably provided inside the annular groove. An annular plate is provided at the top of the annular groove, and a micro motor for driving the driving gear is provided on the top of the annular plate.

[0008] Preferably, the connecting mechanism includes a support pipe vertically arranged inside the rotating pipe, anti-rotation bars fixedly connected to both sides of the support pipe, and a buffer cavity opened inside the upper part of the support pipe. An electric push cylinder is installed inside the rotating pipe. A buffer assembly is arranged inside the buffer cavity. The support pipe movably penetrates through the top of the rotating pipe and is fixedly connected to the bottom surface of the support plate. Anti-rotation groove openings are provided on both inner walls of the through port between the rotating pipe and the support pipe to cooperate with the anti-rotation bars.

[0009] Preferably, the buffer assembly includes a buffer block movably arranged inside the buffer cavity and a plurality of buffer springs arranged on the top of the buffer block. The telescopic end of the electric push cylinder is fixedly connected to the protruding end of the buffer block. A driven gear is fixedly connected to the bottom end of the rotating pipe.

[0010] Preferably, a fixed frame is horizontally installed in the inner circle of the chain conveyor of the fixed frame, and a plurality of mounting plates are fixedly connected to the front end of the fixed frame. A plurality of rack plates for driving the driven gear are horizontally arranged on the top of the fixed frame. A transmission assembly for pushing the driven gear is installed on the mounting plate.

[0011] Preferably, the transmission assembly includes a longitudinal movement groove longitudinally opened on the mounting plate, a lead screw rotatably arranged inside the longitudinal movement groove, and a moving seat sleeved on the lead screw. An inverted L-shaped connecting block is installed on the top of the moving seat, and the connecting block is fixedly connected to the rack plate. A servo motor for driving the lead screw is arranged inside the front end of the mounting plate.

[0012] Preferably, a placement groove is opened on the top surface of the support plate, and a plurality of drainage ports are opened at the bottom of the placement groove. A layer of water passing support layer is fixedly installed inside the drainage ports.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: Through the cooperation of the pallet with the connection mechanism and the fog cooling mechanism, the continuity of cooling during the transportation of automotive parts die-castings is improved. Since the fog cooling mechanism adopts a structural design combining a rotating nozzle and a shunt flat tube, the rotating nozzle is driven by a micro-motor to achieve 360-degree rotating spraying. In combination with the layout of the liquid spraying pipes arranged in a staggered manner, a flat arc-shaped fog field covering the entire pallet is formed by the coolant; the heat transfer efficiency is greatly improved compared with the traditional spraying method, effectively eliminating the local temperature difference on the surface of the casting and avoiding deformation defects caused by uneven cooling; the directional air flow blows the pore structure of the casting, solving the problem of internal liquid accumulation that is difficult to remove by traditional static cooling; through the transmission of the servo motor and the lead screw, it is ensured that the driven gear meshes reliably with the rack plate; and by optimizing the layout of the rack plate, the pallet is intermittently rotated horizontally once, which is convenient for ensuring the continuity of the production rhythm and improving the cooling effect and rate during the transportation of automotive parts die-castings. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings described herein are used to provide a further understanding of the present invention, form a part of this application, and the schematic embodiments and descriptions of the present invention are used to explain the present invention and do not constitute an improper limitation to the present invention. In the drawings: Figure 1 It is a schematic diagram of the first perspective of the overall structure of the present invention; Figure 2 It is a schematic diagram of the second perspective of the overall structure of the present invention; Figure 3 It is a schematic diagram of the first perspective of the partial structure of the present invention; Figure 4 It is a schematic diagram of the second perspective of the partial structure of the present invention; Figure 5 It is a schematic diagram of the structure of the fixed frame and the water purification equipment of the present invention; Figure 6 It is a cross-sectional view of the structure of the fixed frame and the collection box of the present invention; Figure 7 It is a schematic diagram of the positional relationship between the fixed frame, the double-folded plate and the single-folded plate of the present invention; Figure 8 It is a schematic diagram of the positional relationship between the double-folded plate and the single-folded plate structures of the present invention; Figure 9 It is a schematic diagram of the structure of the chain conveyor and the pallet of the present invention; Figure 10 It is a schematic diagram of the structure of the pallet and the connection of the present invention; Figure 11 It is a schematic diagram of one side of the fog cooling mechanism of the present invention; Figure 12 It is a three-dimensional structure schematic diagram of the fog cooling mechanism of the present invention; Figure 13Schematic three-dimensional structure diagram of the jet grouting assembly of the present invention; Figure 14 Schematic partial structure diagram of the jet grouting assembly of the present invention; Figure 15 Cross-sectional view of the connection mechanism and the buffer assembly of the present invention; Figure 16 Schematic diagram of the positions of the middle mounting plate, the fixing frame and the rack plate of the present invention; Figure 17 Schematic diagram of the fixing frame and the rack plate of the present invention; Figure 18 Cross-sectional view of one side of the mounting plate of the present invention.

[0015] Reference numerals in the figure: 1, fixed frame; 2, collection box; 3, protective cover; 4, water purification equipment; 5, steam absorber; 6, air cooler; 7, liquid extraction pipe; 8, chain plate conveyor; 9, drive motor; 10, support plate; 11, double-folded plate; 12, single-folded plate; 13, water outlet pipe; 14, shunt flat pipe; 15, telescopic pipe; 16, electric push rod; 17, liquid spraying pipe; 18, rotary nozzle; 19, drive ring plate; 20, inner insertion pipe; 21, external tooth ring; 22, transmission gear; 23, drive gear; 24, micro motor; 25, rotating pipe; 26, support pipe; 27, electric push cylinder; 28, buffer block; 29, buffer spring; 30, driven gear; 31, mounting plate; 32, fixing frame; 33, servo motor; 34, lead screw; 35, rack plate; 36, connection block. Specific embodiments

[0016] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0017] Embodiment 1: Refer to Figures 1 to 18, a cooling and conveying device for metal auto parts die-castings, comprising a fixed frame 1, a collection box 2 provided at the lower part of the fixed frame 1, and a protective cover 3 provided at the top of the fixed frame 1. A water purification device 4 is installed on one side of the top of the protective cover 3, a steam absorber 5 is installed in the middle, and an air cooler 6 is provided on the other side of the top; through the synchronous operation of the steam absorber 5, it is convenient to maintain the working environment humidity ≤ 60%, avoiding the influence of fog condensation on the operation of the equipment; and the air cooler 6 adopts high-speed air flow (wind speed can reach 20 m / s) and atomization cooling to form a gradient cooling, and improves the efficiency through the following mechanism: the surface water droplets accelerate evaporation to take away the latent heat, so that the temperature of the die-casting drops from 300 °C to below 50 °C within 30 seconds; the directional air flow blows the pore structure of the die-casting to solve the problem of internal liquid accumulation that is difficult to remove by traditional static cooling; a liquid extraction pipe 7 is installed on the water purification device 4, and the bottom end of the liquid extraction pipe 7 is communicated with the inside of the collection box 2, and a filter cover is installed at the bottom end of the liquid extraction pipe 7 located inside the collection box 2; a chain plate conveyor 8 is installed in the fixed frame 1, a driving motor 9 for the rotation of the chain plate conveyor 8 is installed on the front end face of the fixed frame 1, and a plurality of support plates 10 for supporting auto parts die-castings are equidistantly installed on the conveying surface of the chain plate conveyor 8. A placement groove is formed on the top surface of the support plate 10, and a plurality of drainage ports are formed at the bottom of the placement groove, and a layer of water-passing support layer is fixedly installed inside the drainage ports; a connection mechanism cooperating with the chain plate conveyor 8 is provided below the support plate 10; a mist cooling mechanism is provided below the water purification device 4; a plurality of mounting holes are formed in the chain plates of the chain plate conveyor 8, a rotating pipe 25 is rotatably installed in the mounting holes, a plurality of double-fold plates 11 are provided on the inner side of the upper part of the collection box 2, and a plurality of single-fold plates 12 are provided on the inner side of the lower part of the collection box 2. A flat flow layer is spaced between the double-fold plates 11 and the single-fold plates 12, and the bottom end of the liquid extraction pipe 7 is located between the flat flow layers; the inside of the collection box 2 adopts an alternating arrangement of double-fold plates 11 (tilt angle 60°) and single-fold plates 12 (tilt angle 45°), forming a total of five flat flow sedimentation zones; this structure can improve the sedimentation efficiency of impurities with a diameter ≥ 50 μm to 92%, and extend the replacement cycle of the internal filter plate of the traditional straight barrel type collection box 2 by more than three times.

[0018] In the present invention, the fog cooling mechanism includes a water outlet pipe 13 installed at the bottom of the water purification device 4, a telescopic pipe 15 installed at the bottom end of the water outlet pipe 13, a shunt flat pipe 14 installed at the bottom end of the telescopic pipe 15, and a plurality of electric push rods 16 installed on the peripheral side of the bottom of the water outlet pipe 13. The bottom of the telescopic end of the electric push rod 16 is connected to the shunt flat pipe 14. A plurality of liquid spray pipes 17 are equidistantly installed at the bottom of the shunt flat pipe 14. A rotary spray assembly is installed at the lower part of the liquid spray pipe 17; the rotary spray assembly includes an inner insertion pipe 20 rotatably installed inside the lower part of the liquid spray pipe 17, a rotary nozzle 18 fixedly connected to the bottom end of the inner insertion pipe 20, a driving ring plate 19 sleeved at the bottom end of the liquid spray pipe 17, and an annular groove opened at the top of the driving ring plate 19. An external gear ring 21 is sleeved on the outer wall of the inner insertion pipe 20 located in the inner circle of the driving ring plate 19. A transmission port is opened on one inner wall of the annular groove. A transmission gear 22 meshing with the external gear ring 21 is rotatably arranged in the transmission port. A driving gear 23 meshing with the transmission gear 22 is rotatably arranged inside the annular groove. An annular plate is arranged at the top of the annular groove, and a micro motor 24 for driving the driving gear 23 is arranged on the top of the annular plate.

[0019] Embodiment 2: The technical solution is basically the same as that of Embodiment 1, except that, as Figures 15 to 18 shown, the connection mechanism includes a support pipe 26 vertically arranged inside the rotating pipe 25, anti-rotation strips fixedly connected to both sides of the support pipe 26, and a buffer cavity opened inside the upper part of the support pipe 26. An electric push cylinder 27 is installed inside the rotating pipe 25. A buffer assembly is arranged inside the buffer cavity. The support pipe 26 movably penetrates through the top of the rotating pipe 25 and is fixedly connected to the bottom surface of the support plate 10. Anti-rotation groove openings are arranged on both inner walls of the through port between the rotating pipe 25 and the support pipe 26 to cooperate with the anti-rotation strips; the support plate 10 can automatically immerse in the coolant during the return stroke. The electric push cylinder 27 is used to drive the support plate 10 to perform reciprocating lifting movements, which is convenient for generating a mechanical stirring effect and can wash away the residual impurities in the storage groove of the support plate when contacting the coolant; and it can prevent disturbing the bottom layer precipitation and prevent caking, effectively maintaining the cleanliness of the coolant.

[0020] In the present invention, the buffer assembly includes a buffer block 28 movably arranged inside the buffer cavity and a plurality of buffer springs 29 arranged on the top of the buffer block 28. The telescopic end of the electric push cylinder 27 is fixedly connected to the protruding end of the buffer block 28. A driven gear 30 is fixedly connected to the bottom end of the rotating pipe 25; through the setting of the buffer assembly, it is convenient to avoid rigid impact with the support plate 10 when preventing auto parts die castings. Since the support plate 10 is driven by the electric push cylinder 27 to achieve intermittent lifting, and in cooperation with the uniform rotation of the chain plate conveyor 8, three 180° horizontal rotations are automatically completed during the conveying process; this design increases the contact area between the die casting and the coolant by two to three times, and the coverage rate of the key heat dissipation surface reaches more than 98%.

[0021] In the present invention, a fixing frame 32 is horizontally installed in the inner circle of the chain conveyor 8 of the fixing frame 1, and a plurality of mounting plates 31 fixedly connected to the front end of the fixing frame 32 are provided. A plurality of rack plates 35 for driving by the driven gear 30 are horizontally arranged at the top of the fixing frame 32. A transmission assembly for pushing the driven gear 30 is installed on the mounting plate 31; the transmission assembly includes a longitudinal movement groove longitudinally opened on the mounting plate 31, a lead screw 34 rotatably arranged inside the longitudinal movement groove, and a moving seat sleeved on the lead screw 34. An inverted L-shaped connecting block 36 is installed on the top of the moving seat, and the connecting block 36 is fixedly connected to the rack plate 35. A servo motor 33 for driving the lead screw 34 is arranged inside the front end of the mounting plate 31; by adopting the transmission of the servo motor 33 and the lead screw 34, it is ensured that the driven gear 30 is reliably engaged with the rack plate 35; and by optimizing the layout of the rack plate 35, the pallet 10 can be intermittently rotated horizontally once, which is convenient for ensuring the continuity of the production rhythm, and the engagement between the rack plate 35 and the driven gear 30 can also be cancelled to realize a non-rotating conveying operation, realizing two conveying modes of rotation and non-rotation.

[0022] Working principle: In this embodiment, the present invention also proposes a usage method of a metal auto parts die-casting cooling and conveying device, including the following steps: Step 1, first electrically connect each electrical device in this device to an external control device, then fill the collection box 2 with coolant, and then place the auto parts die-casting to be cooled on the top of the pallet 10, and intermittently start the electric push rod 27 to extend. The intermittently lifted electric push rod 27 can drive the pallet 10 to be lifted, and the pallet 10 is intermittently lifted. The intermittently lifted pallet 10 can avoid collisions when the pallet 10 rotates. Step 2, then start the driving motor 9 to drive the chain conveyor 8 to rotate. The rotating chain conveyor 8 drives the pallet 10 to move towards the inside of the protective cover 3. When the auto parts die-casting to be cooled moves below the water purification device 4, start the water purification device 4 and the liquid suction pipe 7 to extract the coolant from the collection box 2, and then the coolant enters the water outlet pipe 13. And by starting the electric push rod 16 in cooperation with the telescopic pipe 15, the height of the shunt flat pipe 14 can be adjusted up and down, which is convenient for adjusting the height according to auto parts die-castings of different heights. By adjusting the height of the shunt flat pipe 14, it is possible to avoid large waste of the atomized cooling water mist escaping. Step three, when the coolant enters the inside of the diverter flat tube 14 through the outlet pipe 13 and the telescopic tube 15, the coolant entering the diverter flat tube 14 is sprayed out from the rotating nozzle 18 in a mist state through the spray pipe 17, and the sprayed area is a flat arc surface, and the lower part of the mist liquid surface sprayed by multiple rotating nozzles 18 is staggered to avoid local leakage of the auto parts die-casting. Then, the micro motor 24 is started to drive the driving gear 23 to rotate, and the rotating driving gear 23 can drive the outer gear ring 21 meshing with the transmission gear 22 to rotate, and the rotating outer gear ring 21 can drive the inner insert tube 20 to rotate, and the rotating inner insert tube 20 drives the rotating nozzle 18 to perform a rotating spray operation, thereby improving the uniformity of the spray on the surface of the auto parts die-casting; and the chain conveyor 8 drives the support plate 10 and the connecting mechanism to rotate. During the conveying, the servo motor 33 is driven to drive the lead screw 34 to rotate, and the rotating lead screw 34 can drive the rack plate 35 connected to the moving seat to move toward the fixed frame 32, so that the rack plate 35 can be set on the fixed frame 32, and then when the chain plate conveyor 8 drives the rotating tube 25 to move, when the moving rotating tube 25 and the driven gear 30 pass through the rack plate 35, under the action of one rack plate 35, the driven gear 30 can roll half a circle, and the driven gear 30 that rotates half a circle can drive the rotating tube 25 to rotate half a circle, and the rotating tube 25 that rotates half a circle can drive the pallet 10 connected to the buffer assembly to rotate horizontally 180 degrees, so that the auto parts die-casting on the pallet 10 can be horizontally rotated, and the auto parts die-casting that rotates horizontally can improve the contact effect with the atomized liquid; Step 4, as the chain conveyor 8 conveys the auto parts die-castings after atomization and cooling to the bottom of the air cooler 6, the air cooler 6 automatically starts to quickly air-cool the auto parts die-castings after atomization and cooling through the object sensor of the air cooler 6, and the water droplets on the surface of the auto parts die-castings can be blown off by strong wind speed, and when the air cooling and water droplet blowing operations are performed on the surface of the auto parts die-castings, the rapid cooling operation of the auto parts die-castings can be effectively improved, and the heat on the surface of the auto parts die-castings can be taken away by the water droplets when the surface of the auto parts die-castings is blown, and the water in the cavities on the surface of the auto parts die-castings can be air-dried, and in the process of water volatilization, the cooling effect on the auto parts die-castings is improved; Step 5: When the air cooler 6 is started to mist-cool the auto parts die-casting, the steam absorber 5 in the middle of the protective cover 3 is started synchronously. The started steam absorber 5 can absorb the steam generated when the auto parts die-casting passes through the mist cooling, and in the process of sucking the steam, the atomized liquid sprayed by the high pressure will not be affected by the suction force. Finally, the auto parts die-casting after mist cooling and air cooling will be transported to the next process equipment through the pallet 10; Step Six: After the pallet 10 finishes transporting the auto parts die-castings, it rotates downward through the chain conveyor 8. Then, the electric push rod 16 is activated to extend. By the extended electric push rod 16, the pallet 10 can be driven to sink into the coolant in the collection tank 2. By repeatedly activating the electric push rod 16, it is convenient to drive the pallet 10 to push the coolant inside the collection tank 2. The disturbed coolant can impact and sink the casting slag deposited on the double-fold plate 11 and the single-fold plate 12 to the bottom of the collection tank 2. Also, when the pallet 10 is repeatedly impact-cooled in the coolant, the impurities attached to the notch of the pallet 10 can be impacted off, improving the cleanliness of the pallet 10 during subsequent use. Due to the double-layer double-fold plate 11, single-fold plate 12, and the setting of the advection layer inside the collection tank 2, it can effectively prevent the impurities deposited inside the collection tank 2 from surging, improving the sedimentation effect of impurities inside the collection tank 2, and thus preventing more impurities from being adsorbed on the filter cover at the bottom end of the liquid suction pipe 7.

[0023] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, making equivalent replacements or changes should be covered within the protection scope of the present invention.

Claims

1. A cooling and conveying device for die-casting of metal auto parts, comprising a fixed frame (1), a collecting box (2) arranged at the bottom of the fixed frame (1), and a protective cover (3) arranged at the top of the fixed frame (1), characterized in that: A water purification device (4) is installed on one side of the top of the protective cover (3), a steam absorber (5) is installed in the middle, and an air cooler (6) is installed on the other side of the top; A liquid extraction pipe (7) is installed on the water purification device (4), and the bottom end of the liquid extraction pipe (7) is connected to the inside of the collection box (2); a chain plate conveyor (8) is installed in the fixed frame (1), and a driving motor (9) for rotating the chain plate conveyor (8) is installed on the front end surface of the fixed frame (1); a plurality of support plates (10) for supporting auto parts die-casting parts are installed at equal intervals on the conveying surface of the chain plate conveyor (8), and a connection mechanism for cooperating with the chain plate conveyor (8) is provided at the bottom of the support plate (10); a mist cooling mechanism is provided below the water purification device (4); The connecting mechanism comprises a support tube (26) vertically arranged inside the rotating tube (25), anti-rotation strips fixedly connected to both sides of the support tube (26), and a buffer cavity opened on the inner side of the upper part of the support tube (26); an electric push cylinder (27) is installed inside the rotating tube (25); a buffer assembly is arranged inside the buffer cavity; the support tube (26) movably passes through the top of the rotating tube (25) and is fixedly connected to the bottom surface of the support plate (10); anti-rotation grooves are opened on the inner walls on both sides of the through hole between the rotating tube (25) and the support tube (26) to cooperate with the anti-rotation strips; The buffer assembly comprises a buffer block (28) movably arranged inside the buffer cavity and a plurality of buffer springs (29) arranged on the top of the buffer block (28); the telescopic end of the electric push cylinder (27) is fixedly connected to the protruding end of the buffer block (28); and the bottom end of the rotating tube (25) is fixedly connected to a driven gear (30); A fixed frame (32) and a plurality of mounting plates (31) fixed to the front end of the fixed frame (32) are horizontally mounted in the inner circle of the chain conveyor (8) of the fixed frame (1); a plurality of rack plates (35) for driving the driven gear (30) are horizontally mounted on the top of the fixed frame (32); and a transmission assembly for driving the driven gear (30) is mounted on the mounting plate (31).

2. A cooling and conveying device for die casting of metal auto parts according to claim 1, characterized in that: The chain plate of the chain plate conveyor (8) is provided with a plurality of mounting holes, a rotating tube (25) is rotatably mounted in the mounting hole, a plurality of double-folding plates (11) are provided on the inner side of the upper portion of the collecting box (2), a plurality of single-folding plates (12) are provided on the inner side of the lower portion of the collecting box (2), a stratosphere is spaced between the double-folding plates (11) and the single-folding plates (12); and the bottom end of the liquid extraction tube (7) is located between the stratospheres.

3. A cooling and conveying device for die casting of metal auto parts according to claim 2, characterized in that: The mist cooling mechanism comprises a water outlet pipe (13) installed at the bottom of the water purification device (4), a telescopic pipe (15) installed at the bottom end of the water outlet pipe (13), a diversion flat pipe (14) installed at the bottom end of the telescopic pipe (15), and a plurality of electric push rods (16) installed around the bottom of the water outlet pipe (13), the bottom of the telescopic end of the electric push rod (16) and the diversion flat pipe (14), the bottom of the diversion flat pipe (14) is equidistantly installed with a plurality of liquid spray pipes (17), and the lower part of the liquid spray pipe (17) is installed with a rotary spray assembly.

4. A cooling and conveying device for die casting of metal steam parts according to claim 3, characterized in that: The rotary spray assembly comprises an inner tube (20) rotatably mounted on the inner side of the lower part of the spray pipe (17), a rotary nozzle (18) fixedly connected to the bottom end of the inner tube (20), a driving ring plate (19) sleeved on the bottom end of the spray pipe (17), and an annular groove provided on the top of the driving ring plate (19); an outer toothed ring (21) is sleeved on the outer wall of the inner tube (20) located in the inner circle of the driving ring plate (19); a transmission opening is provided on the inner wall of one side of the annular groove; a transmission gear (22) meshing with the outer toothed ring (21) is rotatably provided in the transmission opening; a driving gear (23) meshing with the transmission gear (22) is rotatably provided inside the annular groove; an annular plate is provided on the top of the annular groove, and a micro motor (24) for driving the driving gear (23) is provided on the top of the annular plate.

5. The cooling and conveying device for die casting of metal auto parts according to claim 1, characterized in that: The transmission assembly comprises a longitudinal displacement groove longitudinally opened on the mounting plate (31), a lead screw (34) rotatably arranged inside the longitudinal displacement groove, and a movable seat sleeved on the lead screw (34); an inverted L-shaped connecting block (36) is installed on the top of the movable seat, and the connecting block (36) is fixedly connected to the rack plate (35); and a servo motor (33) for driving the lead screw (34) is arranged inside the front end of the mounting plate (31).

6. A cooling and conveying device for die casting of metal auto parts according to claim 5, characterized in that: The top surface of the support plate (10) is provided with a storage groove, and the bottom of the storage groove is provided with a plurality of drainage openings, wherein a water-passing support layer is fixedly installed inside the drainage opening.

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