A cooling device for metal forging workpiece

Abstract

The present application relates to a cooling device for metal forging workpieces, which is related to the field of metal processing equipment. In order to solve the problem that the side of the metal workpiece in contact with the conveyor belt cannot always contact cold water, resulting in different cooling effects on different sides of the metal workpiece and affecting subsequent processes, the device includes a first cooling chamber, a cold inlet is opened on one side of the first cooling chamber, and a cold outlet is opened on the other side. A first conveyor belt and a second conveyor belt are installed in the first cooling chamber, the first conveyor belt is located at the cold inlet of the first cooling chamber, and the second conveyor belt is located at the cold outlet of the first cooling chamber; a flip mechanism is provided between the first conveyor belt and the second conveyor belt, and the flip mechanism drives the metal workpiece to flip from the first conveyor belt to the second conveyor belt. The present application has the effect of improving the consistency of the cooling effect on each side of the metal workpiece.

Description

Technical Field

[0001] The present application relates to the field of metal processing equipment, and in particular to a metal forging workpiece cooling device. Background Art

[0002] During the forging process, metal workpieces need to be cooled after high-temperature processing to facilitate subsequent metal grinding.

[0003] In the related technology, the robot places the workpiece to be cooled in the feed chamber. After the workpiece to be cooled falls on the flexible spring plate and stops moving, the push plate pushes the workpiece into the first cooling chamber. The conveying device propels the workpiece forward, and the nozzle sprays water to cool the workpiece. The workpiece is cooled for the first time. Then, the workpiece enters the second cooling chamber. Fans 1 and 2 perform a secondary cooling operation on the workpiece and dry it at the same time. Finally, the workpiece falls along the inclined block 2 to the discharge port for collection.

[0004] In the above-mentioned cooling process, after the metal workpiece enters the first cooling chamber, it is transported by a conveyor belt through the first cooling chamber. However, when the metal workpiece is cooled by water spraying from a nozzle in the first cooling chamber, the side of the metal workpiece that is in contact with the conveyor belt cannot always come into contact with the cold water. As a result, the cooling effect on each side of the metal workpiece is different, which affects subsequent processes and needs to be improved. Summary of the Invention

[0005] In order to improve the consistency of the cooling effect on each surface of a metal workpiece, the present application provides a metal forging workpiece cooling device.

[0006] The present application provides a metal forging workpiece cooling device that adopts the following technical solution:

[0007] A metal forging workpiece cooling device includes a first cooling chamber, a cooling inlet is formed on one side of the first cooling chamber, and a cooling outlet is formed on the other side of the first cooling chamber, a first conveyor belt and a second conveyor belt are installed in the first cooling chamber, the first conveyor belt is located at the cooling inlet of the first cooling chamber, and the second conveyor belt is located at the cooling outlet of the first cooling chamber;

[0008] A turning mechanism is provided between the first conveyor belt and the second conveyor belt, and the turning mechanism is used to drive the metal workpiece to turn from the first conveyor belt to the second conveyor belt.

[0009] By adopting the above technical solution, when the metal workpiece enters the first cooling chamber from the cold inlet and is transported via the first conveyor belt, the nozzle in the first cooling chamber sprays water on the metal workpiece to cool it down. When the metal workpiece is transported to the end of the first conveyor belt, the flipping mechanism drives the metal workpiece to flip 180°. The flipped metal workpiece is placed at the starting end of the second conveyor belt and transported via the second conveyor belt. During the transportation process, the nozzle continues to spray water on the metal workpiece to cool it down until the metal workpiece is transported to the end of the second conveyor belt, transported from the cold outlet, and enters the second cooling chamber for air blowing to cool it down. The flipping mechanism is used to realize the flipping of the metal workpiece between the first conveyor belt and the second conveyor belt, thereby improving the consistency of the cooling effect on each surface of the metal workpiece.

[0010] Optionally, the turning mechanism includes a turning table, a turning frame, and a drive assembly, wherein the turning table is installed in the first cooling chamber, the turning frame is rotatably connected to the turning table, and the drive assembly is installed on the turning table to drive the turning frame to turn back and forth between the first conveyor belt and the second conveyor belt;

[0011] The turning frame is used to drive the metal workpiece located on the first conveyor belt to turn over to the second conveyor belt.

[0012] By adopting the above technical solution, the turning frame is connected to the metal workpiece from the first conveyor belt, and the driving component drives the turning frame to turn 180°. At this time, the surface of the metal workpiece in contact with the first conveyor belt is turned to the surface away from the second conveyor belt and facing the nozzle, and can be smoothly cooled by the water spray from the nozzle.

[0013] Optionally, the turning frame includes a turning shaft, a first grid and a second grid, the turning shaft is rotatably connected to the turning table, one end of the first grid and one end of the second grid are fixedly mounted on the turning shaft, a gap is provided between the first grid and the second grid for the metal workpiece to enter, and a limit plate is provided on the side where the first grid and the second grid are close to each other, the limit plate limits the metal workpiece from approaching the turning shaft and allows a portion of the metal workpiece to extend out of the first grid and the second grid;

[0014] The flip shaft is connected to the drive assembly;

[0015] When the first grid is located between the second grid and the turning table;

[0016] The second grid is provided with an ejector, which ejects the metal workpiece from between the first grid and the second grid to the second conveyor belt.

[0017] Optionally, the ejector member includes an ejection limiting ring, an ejection rod and an ejection arc block, the ejection limiting ring is mounted on the second grid, the ejection rod is slidably disposed in the ejection limiting ring, and one end of the ejection rod is located in the gap between the two limiting plates;

[0018] The ejector arc block is installed on the turning table, and the distance from the end point of the ejector arc block away from the turning table to the virtual center of the ejector arc block is smaller than the distance from the end point of the ejector arc block close to the second conveyor belt to the virtual center of the ejector arc block;

[0019] The ejector rod can slide from the end point of the ejector arc block away from the turning platform to the end point of the ejector arc block close to the second conveyor belt.

[0020] By adopting the above technical solution, when the second grid is flipping, the ejector rod slides along the ejector arc block. At this time, the end of the ejector rod slowly moves in the direction of the principle flipping axis to assist the second conveyor belt in transporting the metal workpiece from between the first grid and the second grid.

[0021] Optionally, the ejector rod is provided with an ejection limit plate, which can be in contact with the end wall of the ejection limit ring. The distance from the ejection limit plate to the end of the ejector rod close to the ejection arc block is equal to the distance from the limit ring to the ejection arc block.

[0022] By adopting the above technical solution, when the second grid is in a vertical state, the ejector rod descends under the action of gravity, and stops descending when the ejection limit plate is in contact with the ejection limit ring, and the ejector rod is just in contact with the ejection arc block; the provision of the ejection limit plate reduces the impact of the ejector rod on the ejection arc block.

[0023] Optionally, a guide roller is rotatably connected to a side of the limiting plate facing away from the turning platform, and an axis of the guide roller is lower than a side wall of the limiting plate.

[0024] By adopting the above technical solution, when the metal workpiece contacts the guide roller, once the metal workpiece is in an inclined state, the guide roller can promptly move the metal workpiece onto the first grid or the second grid.

[0025] Optionally, the driving assembly includes a driving member, an intermediate gear, an intermediate connecting rod, a driven rack and a driven gear, and the driven gear is connected to the flip frame;

[0026] The driven rack is engaged with the driven gear, and the turning platform is provided with a driven limiting ring, and the driven rack is slidably inserted into the driven limiting ring;

[0027] One end of the driven rack is rotatably connected to the intermediate connecting rod, and one end of the driven rack is rotatably connected to the intermediate gear. The connection between the intermediate connecting rod and the intermediate gear is such that the axis of the intermediate gear does not coincide with each other, and the intermediate gear is rotatably connected to the side wall of the turning platform.

[0028] The intermediate gear is connected to the active member, and the active member drives the intermediate gear to rotate intermittently, so that the driven rack stops when it moves to both end points.

[0029] By adopting the above technical solution, the active component allows the intermediate gear to rotate continuously half a circle each time. During the rotation of the intermediate gear, the driven rack, under the action of the intermediate connecting rod, moves back and forth linearly in the driven limit ring, and the driven rack reciprocates in the horizontal direction; the teeth of the driven rack face upward, and the driven rack is engaged with the driven gear, and the driven gear is connected to the flip frame; at this time, the driven rack moves back and forth, causing the driven gear to intermittently rotate forward and reverse. At this time, the driven gear can continuously rotate 180° in a certain direction, and then rotate 180° in the opposite direction, and repeat this cycle to realize that the driven gear drives the flip frame to flip back and forth.

[0030] Optionally, the active member includes a driving gear, and the driving gear is connected to the driving shaft of the first transmission belt;

[0031] The driving gear is meshed with the intermediate gear, and a portion of the side wall of the driving gear is provided with continuous tooth units, while the other portion is provided with a smooth surface. The tooth units on the driving gear can drive the intermediate gear to rotate half a circle each time.

[0032] By adopting the above technical solution, when the first transmission belt is transporting the metal workpiece, the power of the first transmission belt drives the driving gear to rotate synchronously, so that the power of the first transmission belt is drawn out by the driving gear. During the continuous rotation of the driving gear, the continuous tooth units of the driving gear are used to make the intermediate gear rotate continuously half a circle each time. Then, there is a gap between the continuous smooth surface part of the driving gear and the intermediate gear, which makes it impossible for the intermediate gear to rotate. Therefore, the intermediate gear stops and waits for the continuous tooth units of the driving gear to mesh with the intermediate gear again, so that the intermediate gear rotates half a circle again, thereby achieving continuous rotation of the driving gear and intermittent rotation of the intermediate gear.

[0033] Optionally, a shock-absorbing groove is provided on one side of the turning table close to the second conveyor belt, a shock-absorbing frame is installed in the shock-absorbing groove, a shock-absorbing spring is arranged between the shock-absorbing frame and the bottom of the shock-absorbing groove, and the shock-absorbing frame can be flush with the upper surface of the turning table.

[0034] By adopting the above technical solution, when the turning frame turns over, the shock absorbing frame uses the shock absorbing spring to absorb the shock of the turning frame, thereby sharing the impact force of the turning frame.

[0035] In summary, this application includes at least one of the following beneficial technical effects:

[0036] 1. When a metal workpiece enters the first cooling chamber from the cold inlet and is transported via the first conveyor belt, the nozzles in the first cooling chamber spray water on the metal workpiece to cool it down. When the metal workpiece reaches the end of the first conveyor belt, the flipping mechanism causes the metal workpiece to flip 180 degrees. The flipped metal workpiece is placed at the beginning of the second conveyor belt and transported via the second conveyor belt. During the transportation process, the nozzles continue to spray water on the metal workpiece to cool it down until the metal workpiece reaches the end of the second conveyor belt, is transported from the cold outlet, and enters the second cooling chamber for air cooling. The flipping mechanism enables the metal workpiece to flip between the first and second conveyor belts, thereby improving the consistency of the cooling effect on each surface of the metal workpiece.

[0037] 2. When the first conveyor belt is transporting metal workpieces, the power of the first conveyor belt drives the driving gear to rotate synchronously, so that the driving gear is used to extract the power of the first conveyor belt. During the continuous rotation of the driving gear, the continuous tooth units of the driving gear are used to make the intermediate gear rotate half a circle each time. Then, there is a gap between the continuous smooth surface of the driving gear and the intermediate gear, which prevents the intermediate gear from rotating. Therefore, the intermediate gear stops and waits for the continuous tooth units of the driving gear to mesh with the intermediate gear again, making the intermediate gear rotate half a circle again, thereby achieving continuous rotation of the driving gear and intermittent rotation of the intermediate gear. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 It is a structural schematic diagram of a metal forging workpiece cooling device in an embodiment of the present application.

[0039] Figure 2 It is a schematic diagram of the internal structure of the first cooling chamber in an embodiment of the present application.

[0040] Figure 3 It is a schematic diagram used to illustrate the connection relationship between the flipping mechanism and the first conveyor belt in the embodiment of the present application.

[0041] Figure 4 It is a structural schematic diagram used to illustrate the ejector in the embodiment of the present application.

[0042] Explanation of the accompanying drawings: 1. first cooling chamber; 11. cold inlet; 12. cold outlet; 13. first conveyor belt; 14. second conveyor belt; 2. turning mechanism; 3. turning table; 31. shock-absorbing groove; 32. shock-absorbing frame; 33. shock-absorbing spring; 4. turning frame; 41. turning axis; 42. first grid; 43. second grid; 44. limiting plate; 441. guide roller; 45. ejector; 451. ejector limiting ring; 452. ejector rod; 4521. ejector limiting plate; 453. ejector arc block; 5. driving assembly; 51. active part; 511. active gear; 52. intermediate gear; 53. intermediate connecting rod; 54. driven rack; 541. driven limiting ring; 55. driven gear. DETAILED DESCRIPTION

[0043] The following is combined with Figure 1-4 This application is described in further detail.

[0044] The embodiment of the present application discloses a metal forging workpiece cooling device. Figure 1 and Figure 2 The metal forging workpiece cooling device includes a first cooling chamber 1, a cold inlet 11 is opened on one side of the first cooling chamber 1, and a cold outlet 12 is opened on the other side. The first cooling chamber 1 is preset with a revolving door at the cold inlet 11 and the cold outlet 12.

[0045] A first conveyor belt 13 and a second conveyor belt 14 are installed in the first cooling chamber 1. The first conveyor belt 13 is placed at the cold inlet 11, and the starting end of the first conveyor belt 13 is located below the cold inlet 11; the second conveyor belt 14 is placed at the cold outlet 12, and the end of the second conveyor belt 14 is located below the cold outlet 12; a turning mechanism 2 is provided between the first conveyor belt 13 and the second conveyor belt 14.

[0046] When the metal workpiece enters the first cooling chamber 1 from the cold inlet 11 and is transported via the first conveyor belt 13, the nozzle in the first cooling chamber 1 sprays water on the metal workpiece to cool it down. When the metal workpiece is transported to the end of the first conveyor belt 13, the turning mechanism 2 drives the metal workpiece to turn 180°. The turned metal workpiece is placed at the starting end of the second conveyor belt 14 and transported via the second conveyor belt 14. During the transportation process, the nozzle continues to spray water on the metal workpiece to cool it down until the metal workpiece is transported to the end of the second conveyor belt 14 and is transported from the cold outlet 12 for cooling by air.

[0047] Reference Figure 3 The turning mechanism 2 includes a turning table 3, which is placed in the first cooling chamber 1 and located between the first conveyor belt 13 and the second conveyor belt 14. The turning table 3 and the first conveyor belt 13 and the second conveyor belt 14 are all located on the same straight line for moving the metal workpiece, and the height of the turning table 3 is lower than the upper surface of the first conveyor belt 13 and the upper surface of the second conveyor belt 14.

[0048] A shock-absorbing groove 31 is provided on the side of the turning table 3 close to the second conveyor belt 14. The shock-absorbing groove 31 is provided on the upper surface of the turning table 3. A shock-absorbing frame 32 is placed in the shock-absorbing groove 31. The height of the shock-absorbing frame 32 is equal to the depth of the shock-absorbing groove 31. The shock-absorbing frame 32 is hollow. A shock-absorbing spring 33 is provided between the shock-absorbing frame 32 and the bottom of the shock-absorbing groove 31. One end of the shock-absorbing spring 33 is welded to the bottom of the shock-absorbing groove 31, and the other end is welded to the inner bottom wall of the shock-absorbing frame 32.

[0049] Reference Figure 3A driving assembly 5 and a turning frame 4 are provided on the turning table 3. The turning frame 4 is rotatably connected to the turning table 3. The driving assembly 5 is installed on the turning table 3 to provide power for the reciprocating turning of the turning frame 4 between the first conveyor belt 13 and the second conveyor belt 14.

[0050] The drive assembly 5 includes a driving member 51, which includes a driving gear 511. The driving gear 511 is mounted on the drive shaft of the first transmission belt 13. The first transmission belt 13 drives the driving gear 511 to rotate synchronously. The sidewall of the driving gear 511 is composed of two parts: one part is a continuous tooth unit, and the other part is a continuous smooth surface.

[0051] When the first conveyor belt 13 is transporting the metal workpiece, the power of the first conveyor belt 13 drives the driving gear 511 to rotate synchronously, so that the power of the first conveyor belt 13 is led out by the driving gear 511 .

[0052] The driving gear 511 is meshed with the intermediate gear 52 using continuous tooth units. The intermediate gear 52 is rotatably connected to the side wall of the turning table 3 via a shaft. The side wall of the intermediate gear 52 is a gear with full teeth. During the continuous rotation of the driving gear 511, the continuous tooth units of the driving gear 511 are used to allow the intermediate gear 52 to continuously rotate half a circle (i.e., 180 degrees) each time. Then, there is a gap between the continuous smooth surface portion of the driving gear 511 and the intermediate gear 52, preventing the intermediate gear 52 from rotating. Therefore, the intermediate gear 52 stops and waits for the continuous tooth units of the driving gear 511 to mesh with the intermediate gear 52 again, causing the intermediate gear 52 to rotate half a circle again. This achieves continuous rotation of the driving gear 511 and intermittent rotation of the intermediate gear 52.

[0053] The intermediate gear 52 is connected to an intermediate connecting rod 53 through a shaft. The connection point between the intermediate connecting rod 53 and the intermediate gear 52 does not overlap with the axis of the intermediate gear 52. One end of the intermediate connecting rod 53 is hinged to the intermediate gear 52 with a driven rack 54. The driven rack 54 is sleeved with a driven limit ring 541, and the driven limit ring 541 is fixed to the turning table 3 by welding.

[0054] During the rotation of the intermediate gear 52, the driven rack 54 moves back and forth linearly in the driven limit ring 541 under the action of the intermediate connecting rod 53, and the driven rack 54 moves back and forth in the horizontal direction; the teeth of the driven rack 54 face upward, and the driven rack 54 is engaged with the driven gear 55, and the driven gear 55 is connected to the flip frame 4; at this time, the driven rack 54 moves back and forth, causing the driven gear 55 to intermittently rotate forward and reverse. At this time, the driven gear 55 can continuously rotate 180° in a certain direction, and then rotate 180° in the opposite direction, and the driven gear 55 drives the flip frame 4 to flip back and forth in a reciprocating manner.

[0055] Reference Figure 3The flip frame 4 includes a flip shaft 41, a first grid 42 and a second grid 43. The flip shaft 41 is rotatably connected to the flip table 3. The driven gear 55 is sleeved and installed on the flip shaft 41. The rotation of the driven gear 55 drives the flip shaft 41 to rotate synchronously; one end of the first grid 42 and the second grid 43 are welded and fixed to the peripheral side wall of the flip shaft 41, and a gap is provided between the first grid 42 and the second grid 43 for metal workpieces to enter.

[0056] A limiting plate 44 is welded to the side where the first grid 42 and the second grid 43 are close to each other. The limiting plate 44 limits the metal workpiece from approaching the turning axis 41. The side of the limiting plate 44 facing away from the turning table 3 is rotatably connected to a guide roller 441, and the axis of the guide roller 441 is lower than the side wall of the limiting plate 44; when the metal workpiece contacts the guide roller 441, once the metal workpiece is in a tilted state, the guide roller 441 can promptly move the metal workpiece to the first grid 42 or the second grid 43.

[0057] When the first grid 42 is located between the second grid 43 and the turning table 3, the height of the first grid 42 is lower than the height of the upper surface of the first conveyor belt 13, and the distance between the second grid 43 and the upper surface of the first conveyor belt 13 is greater than the thickness of the metal workpiece; at this time, the metal workpiece enters between the first grid 42 and the second grid 43 from the first conveyor belt 13. When the metal workpiece cannot continue to move toward the turning axis 41, the turning axis 41 rotates, and the first grid 42 and the second grid 43 drive the metal workpiece to turn over. During the turning process, the metal workpiece is pressed against the guide roller 441 by gravity, and after the first grid 42 and the second grid 43 are turned over more than 90°, the metal workpiece moves under the action of gravity and the guide roller 441 and presses against the second grid 43.

[0058] When the second grid 43 is located between the first grid 42 and the turning table 3, the shock-absorbing frame 32 uses the shock-absorbing spring 33 to absorb the second grid 43. At this time, the height of the second grid 43 is lower than the height of the upper surface of the second conveyor belt 14, and the distance between the first grid 42 and the upper surface of the second conveyor belt 14 is greater than the thickness of the metal workpiece; at this time, the part of the metal workpiece extending out from between the first grid 42 and the second grid 43 contacts the second conveyor belt 14, and the second conveyor belt 14 drives the metal workpiece to move out from between the first grid 42 and the second grid 43.

[0059] Reference Figure 4 The second grid 43 is provided with an ejection member 45, which includes an ejection limit ring 451 and an ejection rod 452. The ejection limit ring 451 is welded between the second grid 43 and the first grid 42. The ejection rod 452 is slidably arranged in the ejection limit ring 451, and the ejection rod 452 can pass between the two limit plates 44. The ejection limit plate 4521 is integrally formed on the ejection rod 452, and the ejection limit plate 4521 can be attached to the end wall of the ejection limit ring 451.

[0060] An ejection arc block 453 is installed on the turning table 3. The ejection arc block 453 is an irregular arc block and is attached to the turning shaft 41. The distance from the ejection limiting piece 4521 to the end of the ejection rod 452 close to the ejection arc block 453 is equal to the distance from the ejection limiting ring 451 to the ejection arc block 453. The distance from the end point of the ejection arc block 453 away from the turning table 3 to the virtual center of the ejection arc block 453 is less than the distance from the end point of the ejection arc block 453 close to the second conveyor belt 14 to the virtual center of the ejection arc block 453; the ejection rod 452 can slide from the end point of the ejection arc block 453 away from the turning table 3 to the end point of the ejection arc block 453 close to the second conveyor belt 14.

[0061] When the second grid 43 is flipping, the ejector rod 452 slides along the ejector arc block 453. At this time, the end of the ejector rod 452 slowly moves away from the flipping axis 41 to assist the second conveyor belt 14 in transporting the metal workpiece from between the first grid 42 and the second grid 43.

[0062] The implementation principle of a metal forging workpiece cooling device in an embodiment of the present application is as follows: after the metal workpiece is cooled by spraying water on the first conveyor belt 13, it enters between the first grid 42 and the second grid 43 through the first conveyor belt 13. At this time, the flip shaft 41 drives the first grid 42 and the second grid 43 to rotate, causing the first grid 42 and the second grid 43 to flip, and the metal workpiece turns over and contacts the second conveyor belt 14. At this time, under the action of the second conveyor belt 14, the metal workpiece moves along the second conveyor belt 14 and is cooled by spraying water; the flip mechanism 2 is used to realize the flipping of the metal workpiece between the first conveyor belt 13 and the second conveyor belt 14, thereby improving the consistency of the cooling effect of each surface of the metal workpiece.

[0063] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A metal forging workpiece cooling device, comprising a first cooling chamber (1), wherein a cooling inlet (11) is provided on one side of the first cooling chamber (1), and a cooling outlet (12) is provided on the other side of the first cooling chamber (1), characterized in that: A first conveyor belt (13) and a second conveyor belt (14) are installed in the first cooling chamber (1), the first conveyor belt (13) is located at the cold inlet (11) of the first cooling chamber (1), and the second conveyor belt (14) is located at the cold outlet (12) of the first cooling chamber (1); A turning mechanism (2) is provided between the first conveyor belt (13) and the second conveyor belt (14), and the turning mechanism (2) is used to drive the metal workpiece to turn from the first conveyor belt (13) to the second conveyor belt (14); the turning mechanism (2) comprises a turning table (3), a turning frame (4) and a driving assembly (5); the turning table (3) is installed in the first cooling chamber (1), the turning frame (4) is rotatably connected to the turning table (3), and the driving assembly (5) is installed on the turning table (3) to drive the turning frame (4) to turn; The turning frame (4) is used to drive the metal workpiece located on the first conveyor belt (13) to turn over to the second conveyor belt (14); the turning frame (4) includes a turning shaft (41), a first grid frame (42) and a second grid frame (43); the turning shaft (41) is rotatably connected to the turning platform (3); one end of the first grid frame (42) and one end of the second grid frame (43) are fixedly mounted on the turning shaft (41); a gap for the metal workpiece to enter is provided between the first grid frame (42) and the second grid frame (43); a limiting plate (44) is provided on the side where the first grid frame (42) and the second grid frame (43) are close to each other; the limiting plate (44) limits the metal workpiece from approaching the turning shaft (41) and allows a part of the metal workpiece to extend out of the first grid frame (42) and the second grid frame (43); The turning shaft (41) is connected to the driving assembly (5); The second grid (43) is provided with an ejector (45), and the ejector (45) ejects the metal workpiece from between the first grid (42) and the second grid (43) to the second conveyor belt (14); the ejector (45) includes an ejection limit ring (451), an ejection rod (452) and an ejection arc block (453); the ejection limit ring (451) is installed on the second grid (43), the ejection rod (452) is slidably inserted into the ejection limit ring (451), and one end of the ejection rod (452) is located in the gap between the two limit plates (44); The ejector arc block (453) is installed on the turning table (3), and the distance from the end point of the ejector arc block (453) away from the turning table (3) to the virtual center of the ejector arc block (453) is smaller than the distance from the end point of the ejector arc block (453) close to the second conveyor belt (14) to the virtual center of the ejector arc block (453); The ejector rod (452) can slide from the end point of the ejector arc block (453) away from the turning table (3) to the end point of the ejector arc block (453) close to the second conveyor belt (14); The ejection rod (452) is provided with an ejection limiting piece (4521), and the ejection limiting piece (4521) can be in contact with the end wall of the ejection limiting ring (451). The distance from the ejection limiting piece (4521) to the end of the ejection rod (452) close to the ejection arc block (453) is equal to the distance from the ejection limiting ring (451) to the ejection arc block (453).

2. A metal forging workpiece cooling device according to claim 1, characterized in that: The side of the limiting plate (44) facing away from the turning platform (3) is rotatably connected to a guide roller (441), and the axis of the guide roller (441) is lower than the side wall of the limiting plate (44).

3. The metal forging workpiece cooling device according to claim 1, characterized in that: The driving assembly (5) includes a driving member (51), an intermediate gear (52), an intermediate connecting rod (53), a driven rack (54) and a driven gear (55); the driven gear (55) is connected to the turning frame (4); the driven rack (54) is meshed with the driven gear (55); a driven limiting ring (541) is provided on the turning platform (3), and the driven rack (54) is slidably inserted into the driven limiting ring (541); One end of the driven rack (54) is rotatably connected to the intermediate connecting rod (53), and one end of the intermediate connecting rod (53) away from the driven rack (54) is rotatably connected to the intermediate gear (52), and the connection between the intermediate connecting rod (53) and the intermediate gear (52) is such that the axis of the intermediate gear (52) does not coincide, and the intermediate gear (52) is rotatably connected to the side wall of the turning table (3); The intermediate gear (52) is connected to the active member (51), and the active member (51) drives the intermediate gear (52) to rotate intermittently, so that the driven rack (54) stops when it moves to both end points.

4. A metal forging workpiece cooling device according to claim 3, characterized in that: The active member (51) includes a driving gear (511), and the driving gear (511) is connected to the driving shaft of the first transmission belt (13); The driving gear (511) is meshed with the intermediate gear (52), and a portion of the side wall of the driving gear (511) is provided with a continuous tooth unit, while the other portion is provided with a smooth surface. The tooth unit on the driving gear (511) is used to drive the intermediate gear (52) to rotate half a circle.

5. The metal forging workpiece cooling device according to claim 1, characterized in that: A shock-absorbing groove (31) is provided on one side of the turning platform (3) close to the second conveyor belt (14), a shock-absorbing frame (32) is installed in the shock-absorbing groove (31), a shock-absorbing spring (33) is provided between the shock-absorbing frame (32) and the bottom of the shock-absorbing groove (31), and the shock-absorbing frame (32) can be flush with the upper surface of the turning platform (3).

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