Gear casting mold

Abstract

This invention belongs to the field of casting technology, specifically a gear casting mold, comprising a lower mold base and an upper mold base. A water storage box is disposed below the lower mold base, and the lower mold base is fixed to the top of the water storage box by four columns. A lifting assembly for raising and lowering the upper mold base is disposed on the lower mold base. A pouring port is fixedly connected to the top of the upper mold base, and an ejection assembly for ejecting the formed gear is disposed on the lower mold base. This invention, through the inclusion of a water storage box, connecting pipe, annular air duct, auger, strip air duct, housing, wet curtain, blower assembly, water pump assembly, return water pipe, drive assembly, and drain pipe, achieves dual heat dissipation of the lower mold base through water and air cooling, thus improving the gear forming rate. The lifting assembly, ejection assembly, and L-shaped baffle facilitate the ejection of the cooled and formed gear from the mold cavity of the lower mold base, making it convenient for workers to handle. Overall, the invention offers good performance.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of casting, in particular to a gear casting mold. BACKGROUND

[0002] Gear refers to the wheel rim with teeth, can continuously mesh transmission movement and power mechanical components, gear is widely used in automobile, aerospace, energy, machine tool, robot and various equipment and machinery, for realizing power transmission, motion conversion, deceleration or speed up function. Some gears are made by casting, the current casting mold, the heat dissipation effect is not very good, the cooling forming efficiency of the gear is low, and it is not convenient to take out the formed gear, the overall use effect is not very good, therefore we put forward a kind of gear casting mold to solve the above problems. SUMMARY

[0003] (I) technical problems solved

[0004] In view of the defects of prior art, the present application provides a gear casting mold, which solves the problems raised in the background art.

[0005] (II) technical scheme

[0006] In order to realize the above purpose, the present application specifically adopts the following technical scheme:

[0007] A gear casting mold, comprising a lower die seat and an upper die seat, a water storage box body is arranged below the lower die seat, the lower die seat is fixed on the top of the water storage box body through four columns, a lifting assembly for lifting the upper die seat is arranged on the lower die seat, a pouring gate is fixedly communicated with the top of the upper die seat, an ejection assembly for ejecting the formed gear is arranged on the lower die seat, an L-shaped shift plate for shifting the ejection assembly is fixed on the back of the upper die seat, a flow channel is formed in the inside of the lower die seat, and connecting pipes are fixedly communicated with both ends of the flow channel, an annular air blowing pipe is arranged on the outside of the lower die seat, a worm is rotatably installed in the inside of the water storage box body through a bearing, a strip-shaped air blowing pipe is fixedly installed on the top of the water storage box body through two support blocks, a box body is fixed on the top of the water storage box body through four supporting rods, a through opening is formed in one side wall of the box body, and a wet curtain is fixedly covered on the through opening, an air blowing assembly for blowing air to the annular air blowing pipe and the strip-shaped air blowing pipe is arranged on the box body, a water pumping assembly for supplying water to an adjacent connecting pipe and the wet curtain is arranged on the box body, a water return pipe is fixedly communicated with the surface of the other connecting pipe away from the box body, a driving assembly for driving the air blowing assembly and the water pumping assembly to operate and driving the worm to reciprocate and reverse is arranged on the box body, a downcomer is fixedly communicated with the bottom of the box body, a water collecting groove is formed in the inner wall of the bottom of the box body, and the water collecting groove is arranged directly below the wet curtain, and the downcomer is communicated with the water collecting groove.

[0008] Further, the lifting assembly comprises a U-shaped plate fixed at the top end of the lower die seat, a cylinder is fixed at the top of the U-shaped plate, the ejecting end of the cylinder is slid through the top of the U-shaped plate and is fixedly connected with the top of the upper die seat, two T-shaped rods are symmetrically slid through the top of the U-shaped plate, and the bottoms of the two T-shaped rods are fixedly connected with the top of the upper die seat.

[0009] Further, the ejecting assembly comprises a spring fixed at the bottom of the lower die seat, a connecting plate is fixed at the bottom end of the spring, four top rods are fixed at the top of the connecting plate in a circumferential array, the four top rods are slid through the bottom of the lower die seat and extend into the die cavity of the lower die seat, and the bottom end of the L-shaped push plate is arranged below the connecting plate.

[0010] Further, the two side walls of the U-shaped plate are fixed with hanging pieces, and the annular blowing pipe is fixedly connected with the two hanging pieces.

[0011] Further, the air blowing assembly comprises a mounting seat fixed in the box, a shaft rod is rotatably installed in the middle of the mounting seat through a bearing, a fan blade is fixed at one end of the shaft rod, one side wall of the box away from the wet curtain is fixedly connected with a double-branch air conveying pipe, one end of the double-branch air conveying pipe is fixedly connected with the annular blowing pipe, and the other end of the double-branch air conveying pipe is fixedly connected with one end of the strip-shaped blowing pipe.

[0012] Further, the water pumping assembly comprises a shell fixed at the top of the box, an impeller is arranged in the shell, a water pumping pipe is fixedly connected to the surface of the shell, the bottom end of the water pumping pipe extends to the bottom end of the inside of the water storage box, a double-branch water conveying pipe is fixedly connected to the surface of the shell, one branch of the double-branch water conveying pipe is fixedly connected with an adjacent connecting pipe, the end of the other branch of the double-branch water conveying pipe is fixedly connected with a spraying pipe, and the bottom end of the spraying pipe penetrates through the top inner wall of the box and is arranged directly above the wet curtain.

[0013] Further, the driving assembly comprises a mounting plate fixed at the top end of the box body, a motor is fixed at the top of the mounting plate, an output shaft of the motor is fixed with a rotating rod, one end of the rotating rod extends to the inside of the shell and is fixedly connected with one end of the impeller, the rotating rod is rotatably connected with the side wall of the shell through a bearing, a first bevel gear is fixedly arranged on the surface of the rotating rod, a second bevel gear is rotatably arranged on the surface of the first bevel gear, a transmission rod is fixedly arranged at the bottom of the second bevel gear, the transmission rod extends to the inside of the box body and is fixed with a third bevel gear, a fourth bevel gear is rotatably arranged on the surface of the third bevel gear, one end of the shaft rod is fixedly connected with the fourth bevel gear, the transmission rod is rotatably connected with the top of the box body through a bearing, an L-shaped seat is fixedly arranged at the top of the mounting plate, a rotating shaft is rotatably arranged on the side wall of the L-shaped seat through a bearing, a first sprocket is fixedly arranged at one end of the rotating shaft, a second sprocket is fixedly arranged on the surface of the rotating rod, the first sprocket is rotatably connected with the second sprocket through a chain, a disc is fixedly arranged at the other end of the rotating shaft, a rotating pin is rotatably arranged on the surface of the disc, a groove ring is sleeved on the surface of the rotating pin, a square rod is fixedly arranged at the top of the groove ring, the square rod slidably penetrates through the top of the L-shaped seat, an L-shaped rod is fixedly arranged at the bottom of the groove ring, the L-shaped rod slidably penetrates through the mounting plate, a rack is fixedly arranged at the bottom end of the L-shaped rod, a flat gear is rotatably arranged on the surface of the rack, and the flat gear is fixedly arranged on one end of the auger.

[0014] Further, the top of the mounting plate is fixed with a stabilizing plate, one end of the rotating rod is rotatably connected with the stabilizing plate through a bearing, and the inside of the box body is fixed with a mounting block, the bottom end of the transmission rod is rotatably connected with the mounting block through a bearing.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the gear casting mold has the following beneficial effects:

[0017] The water in the water storage box body can be transported into the flow channel of the lower mold seat, and the lower mold seat can be blown with lower-temperature air, so that the double heat dissipation effects of water cooling and air cooling of the lower mold seat can be achieved, and the reciprocating rotation of the auger can be realized, so that the water in the water storage box body can be stirred, and lower-temperature air can be blown into the water stored in the water storage box body, which is beneficial to the heat dissipation of the water in the water storage box body, and the water cooling effect of the lower mold seat can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 Figure 1 is a schematic diagram of the front view of the whole invention at the first perspective;

[0019] Figure 2 Figure 2 is a schematic diagram of the front view of the whole invention at the second perspective;

[0020] Figure 3 Figure 3 is a schematic diagram of the back view of the whole invention;

[0021] Figure 4 Figure 4 is a schematic diagram of the lifting assembly structure of the invention;

[0022] Figure 5 Figure 5 is a schematic diagram of the sectional view of the lower die holder structure of the invention;

[0023] Figure 6 Figure 6 is a schematic diagram of the upper die holder structure of the invention;

[0024] Figure 7 Figure 7 is a schematic diagram of the water storage box structure of the invention;

[0025] Figure 8 Figure 8 is a schematic diagram of the side view of the box structure of the invention;

[0026] Figure 9 Figure 9 is a schematic diagram of the sectional view of the box along A-A of the invention. Figure 8

[0027] Figure: 1, lower die holder; 2, upper die holder; 3, water storage box; 4, lifting assembly; 401, U-shaped plate; 402, air cylinder; 403, T-shaped rod; 5, pouring gate; 6, ejection assembly; 601, spring; 602, connecting plate; 603, ejector rod; 7, L-shaped push plate; 8, connecting pipe; 9, annular air blowing pipe; 10, auger; 11, strip-shaped air blowing pipe; 12, box; 13, wet curtain; 14, air blowing assembly; 1401, mounting seat; 1402, shaft; 1403, fan blade; 1404, double-branch air conveying pipe; 15, water pumping assembly; 1501, shell; 1502, impeller; 1503, water pumping pipe; 1504, double-branch water conveying pipe; 1505, spray pipe; 16, water return pipe; 17, driving assembly; 1701, mounting plate; 1702, motor; 1703, rotating rod; 1704, first bevel gear; 1705, second bevel gear; 1706, transmission rod; 1707, third bevel gear; 1708, fourth bevel gear; 1709, L-shaped seat; 1710, rotating shaft; 1711, first sprocket; 1712, second sprocket; 1713, chain; 1714, disc; 1715, push pin; 1716, groove ring; 1717, square rod; 1718, L-shaped rod; 1719, rack; 1720, spur gear; 1721, stabilizing plate; 1722, mounting block; 18, downpipe; 19, suspension; 20, water collecting tank. ​Detailed Implementation

[0028] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] Example

[0030] like Figures 1-9 As shown, an embodiment of the present invention provides a gear casting mold, including a lower mold base 1 and an upper mold base 2. A water storage box 3 is disposed below the lower mold base 1. The lower mold base 1 is fixed to the top of the water storage box 3 by four columns. A lifting assembly 4 for raising and lowering the upper mold base 2 is disposed on the lower mold base 1. A pouring port 5 is fixedly connected to the top of the upper mold base 2. An ejection assembly 6 for ejecting the formed gear is disposed on the lower mold base 1. An L-shaped lever 7 for actuating the ejection assembly 6 is fixedly fixed to the back of the upper mold base 2. A flow channel is opened inside the lower mold base 1, and connecting pipes 8 are fixedly connected to both ends of the flow channel. An annular air blowing pipe 9 is disposed on the outside of the lower mold base 1. An auger 10 is rotatably installed inside the water storage box 3 through bearings. A strip-shaped air blowing pipe 11 is fixedly installed on the top of the water storage box 3 through two support blocks. The top of the enclosure is fixed to the housing 12 by four support rods. An opening is provided on one side wall of the housing 12, and a wet curtain 13 is fixedly covered at the opening. A blower assembly 14 is provided on the housing 12 for blowing air to the annular blower pipe 9 and the strip blower pipe 11. A water pump assembly 15 is provided on the housing 12 for supplying water to an adjacent connecting pipe 8 and the wet curtain 13. A return water pipe 16 is fixedly connected to the surface of another connecting pipe 8 away from the housing 12. A drive assembly 17 is provided on the housing 12 for driving the blower assembly 14 and the water pump assembly 15 and driving the auger 10 to reciprocate forward and reverse. A drain pipe 18 is fixedly connected to the bottom of the housing 12. A water collection trough 20 is provided on the inner wall of the bottom of the housing 12, and the water collection trough 20 is located directly below the wet curtain 13. The drain pipe 18 is connected to the water collection trough 20.

[0031] In use, first spray release agent in the lower die seat 1 cavity, then the molten metal from the pouring inlet 5 into the lower die seat 1 cavity, then use drive assembly 17 drive air blower assembly 14 and pump water assembly 15 operation and drive auger 10 reciprocating forward and reverse, pump water assembly 15 can be stored in the water box 3 containing water, pumped into a connecting pipe 8, then into the lower die seat 1 flow channel, the water through another connecting pipe 8 and backwater pipe 16 will fall into the water storage box 3, pump water assembly 15 can be stored in the water box 3 water delivery to the wet curtain 13, through the wet curtain 13 of the water will fall through the downspout 18 into the water storage box 3, so you can save water, air blower assembly 14 operation, can be the ambient air into the box 12, the ambient air will be through the wet curtain 13, water molecules and air in contact with each other, so it will quickly evaporate, through the principle of evaporative cooling, the temperature of the air will be reduced, so it will blow out the temperature of the wind, the temperature of the wind will enter into the annular blowing pipe 9, so it will be on the surface of the lower die seat 1 blowing, so you can lower die seat 1 to water cooling and forced air cooling double cooling effect, the temperature of the wind will enter into the strip blowing pipe 11, can be on the water in the water storage box 3 blowing, auger 10 reciprocating forward and reverse, can be stirred in the water storage box 3 of the water, so that heat from the center of the water more quickly to the surface of the water, increase the contact area of water and air, and accelerate the flow of air, so you can speed up the heat dissipation of the water in the water storage box 3, so it is beneficial to further improve the overall cooling effect, so the cooling rate of the molten metal will be faster, the gear forming rate is faster, when the gear cooling forming, use lifting assembly 4 control upper die seat 2 to move up, the upper die seat 2 will drive the L-shaped plate 7 to move up, the L-shaped plate 7 will be moved out of the assembly 6, so you can gear out of the lower die seat 1 cavity, so you can easily take staff.

[0032] As Figure 1 , Figure 4 and Figure 5As shown, in this embodiment, the lifting assembly 4 comprises a U-shaped plate 401 fixed at the top end of the lower die seat 1, both side walls of the U-shaped plate 401 are fixed with a hanging piece 19, the annular blowing pipe 9 is fixedly connected with the two hanging pieces 19, the hanging piece 19 is arranged to improve the stability of the annular blowing pipe 9, the top of the U-shaped plate 401 is fixed with a gas cylinder 402, the top end of the gas cylinder 402 slides through the top of the U-shaped plate 401 and is fixedly connected with the top of the upper die seat 2, two T-shaped rods 403 are symmetrically and slidably arranged through the top of the U-shaped plate 401, the bottom of each of the two T-shaped rods 403 is fixedly connected with the top of the upper die seat 2, when it is needed to control the upward movement of the upper die seat 2, the gas cylinder 402 can be started, the retraction of the top end of the gas cylinder 402 can drive the upward movement of the upper die seat 2; the ejection assembly 6 comprises a spring 601 fixed at the bottom of the lower die seat 1, the bottom end of the spring 601 is fixed with a connecting plate 602, the top of the connecting plate 602 is fixed with four ejection rods 603 in a circumferential array, each of the four ejection rods 603 slides through the bottom of the lower die seat 1 and extends into the die cavity of the lower die seat 1, the bottom end of the L-shaped push plate 7 is arranged below the connecting plate 602, when the upper die seat 2 moves upward, the L-shaped push plate 7 will move upward, when the bottom end of the L-shaped push plate 7 abuts against the bottom of the connecting plate 602, the continuous upward movement of the L-shaped push plate 7 will drive the upward movement of the connecting plate 602, at this time, the spring 601 will be compressed, the connecting plate 602 will drive the upward movement of the four ejection rods 603, so that the gear in the die cavity of the lower die seat 1 can be ejected.

[0033] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 7 , Figure 8 and Figure 9 As shown, in this embodiment, the blowing assembly 14 comprises a mounting seat 1401 fixed inside the box body 12, a shaft rod 1402 is rotatably arranged at the middle portion of the mounting seat 1401 through a bearing, one end of the shaft rod 1402 is fixed with a fan blade 1403, one side wall of the box body 12 away from the wet curtain 13 is fixedly connected with a double-branch air conveying pipe 1404, one end of the double-branch air conveying pipe 1404 is fixedly connected with the annular blowing pipe 9, the other end of the double-branch air conveying pipe 1404 is fixedly connected with one end of the strip-shaped blowing pipe 11; the water pumping assembly 15 comprises a shell 1501 fixed at the top of the box body 12, an impeller 1502 is arranged inside the shell 1501, a water suction pipe 1503 is fixedly connected to the surface of the shell 1501, the bottom end of the water suction pipe 1503 extends to the inside bottom end of the water storage box 3, a double-branch water conveying pipe 1504 is fixedly connected to the surface of the shell 1501, one branch of the double-branch water conveying pipe 1504 is fixedly connected with an adjacent one of the connecting pipes 8, the other branch of the double-branch water conveying pipe 1504 is fixedly connected with a spray pipe 1505 at the end, the bottom end of the spray pipe 1505 penetrates through the top inner wall of the box body 12 and is arranged directly above the wet curtain 13.

[0034] The drive assembly 17 includes a mounting plate 1701 fixed to the top of the housing 12. A motor 1702 is fixed to the top of the mounting plate 1701. A rotating rod 1703 is fixed to the output shaft of the motor 1702. A stabilizing plate 1721 is fixed to the top of the mounting plate 1701. One end of the rotating rod 1703 is rotatably connected to the stabilizing plate 1721 via a bearing to make the rotating rod 1703 more stable when rotating. The other end of the rotating rod 1703 extends into the interior of the housing 1501 and is fixedly connected to one end of the impeller 1502. The rotating rod 1703 is connected to the side wall of the housing 1501 via a bearing. A rotating connection is established, with a first bevel gear 1704 fixedly fitted onto the surface of the rotating rod 1703. A second bevel gear 1705 is meshed with the surface of the first bevel gear 1704. A transmission rod 1706 is fixed to the bottom of the second bevel gear 1705. The transmission rod 1706 extends into the interior of the housing 12 and is fixedly fitted with a third bevel gear 1707. A fourth bevel gear 1708 is meshed with the surface of the third bevel gear 1707. The middle of the fourth bevel gear 1708 is fixedly connected to one end of the shaft 1402. The transmission rod 1706 is rotatably connected to the top of the housing 12 via a bearing. An internal mounting block 1722 is fixed. The bottom end of the transmission rod 1706 is rotatably connected to the mounting block 1722 via a bearing to ensure greater stability when the transmission rod 1706 rotates. An L-shaped seat 1709 is fixed to the top of the mounting plate 1701. A rotating shaft 1710 is rotatably mounted on the side wall of the L-shaped seat 1709 via a bearing. A first sprocket 1711 is fixed to one end of the rotating shaft 1710. A second sprocket 1712 is fixed to the surface of the rotating rod 1703. The first sprocket 1711 is connected to the second sprocket 1712 via a chain 1713. The other end of the rotating shaft 1710... A disc 1714 is fixed, and a pin 1715 is rotatably mounted on the surface of the disc 1714. A grooved ring 1716 is sleeved on the surface of the pin 1715. A square rod 1717 is fixed to the top of the grooved ring 1716. The square rod 1717 slides through the top of the L-shaped seat 1709. An L-shaped rod 1718 is fixed to the bottom of the grooved ring 1716. The L-shaped rod 1718 slides through the mounting plate 1701. A rack 1719 is fixed to the bottom end of the L-shaped rod 1718. A spur gear 1720 is meshed with the surface of the rack 1719. The spur gear 1720 is sleeved and fixed to one end of the auger 10.

[0035] When it is needed to drive the air-blowing assembly 14 and the water-pumping assembly 15 to operate and drive the auger 10 to reciprocate forward and reverse, the motor 1702 can be started, the motor 1702 can drive the rotating rod 1703 to rotate, the rotating rod 1703 can drive the impeller 1502 to rotate, the water in the water storage box 3 can be pumped into the shell 1501 through the water-pumping pipe 1503, the water can be transported into an adjacent connecting pipe 8 and the spray pipe 1505 through the double-branch water-transporting pipe 1504, so the water can be transported into the flow channel of the lower mold base 1 and the wet curtain 13, when the rotating rod 1703 rotates, the first bevel gear 1704 on the surface of the rotating rod 1703 can be driven to rotate, the second bevel gear 1705 can be driven to rotate by the first bevel gear 1704, the transmission rod 1706 can be driven to rotate by the second bevel gear 1705, the third bevel gear 1707 can be driven to rotate by the transmission rod 1706, the fourth bevel gear 1708 can be driven to rotate by the third bevel gear 1707, the shaft rod 1402 can be driven to rotate by the fourth bevel gear 1708, the fan blade 1403 can be driven to rotate by the shaft rod 1402, so the air outside can be sucked into the box 12, then the air cooled can be transported into the annular air-blowing pipe 9 and the strip-shaped air-blowing pipe 11 through the double-branch air-transporting pipe 1404, when the rotating rod 1703 rotates, the second sprocket 1712 on the surface of the rotating rod 1703 can be driven to rotate, the first sprocket 1711 can be driven to rotate by the second sprocket 1712 through the chain 1713, the rotating shaft 1710 can be driven to rotate by the first sprocket 1711, the disc 1714 can be driven to rotate by the rotating shaft 1710, the tumb pin 1715 on the surface of the disc 1714 can be driven to make circular motion, the slot ring 1716 can be driven to make reciprocating motion up and down in the vertical direction by the tumb pin 1715, the L-shaped rod 1718 can be driven to make reciprocating motion up and down in the vertical direction by the slot ring 1716, the rack 1719 can be driven to make reciprocating motion up and down by the L-shaped rod 1718, the spur gear 1720 can be driven to reciprocate forward and reverse by the rack 1719, the auger 10 can be driven to reciprocate forward and reverse by the spur gear 1720, so the water in the water storage box 3 can be stirred.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A gear casting mold, comprising a lower mold base (1) and an upper mold base (2), characterized in that: A water storage box (3) is provided below the lower mold base (1). The lower mold base (1) is fixed to the top of the water storage box (3) by four columns. A lifting assembly (4) for raising and lowering the upper mold base (2) is provided on the lower mold base (1). A pouring port (5) is fixedly connected to the top of the upper mold base (2). An ejection assembly (6) for ejecting the forming gear is provided on the lower mold base (1). An L-shaped lever (7) for moving the ejection assembly (6) is fixed on the back of the upper mold base (2). The inner side of the lower mold base (1) The lower mold base (1) has a flow channel, and both ends of the flow channel are fixedly connected to connecting pipes (8). An annular air blower (9) is provided on the outside of the lower mold base (1). An auger (10) is installed inside the water storage box (3) through a bearing. A strip air blower (11) is fixedly installed on the top of the water storage box (3) through two support blocks. A box body (12) is fixed on the top of the water storage box (3) through four support rods. An opening is provided on one side wall of the box body (12), and a wet curtain (13) is fixedly covered at the opening. (12) is provided with a blower assembly (14) for blowing air into the annular blower pipe (9) and the strip blower pipe (11). The blower assembly (14) includes a mounting base (1401) fixed inside the housing (12). A shaft (1402) is rotatably mounted on the middle of the mounting base (1401) via a bearing. A fan blade (1403) is fixed to one end of the shaft (1402). The housing (12) is provided with a pump assembly (15) for supplying water to an adjacent connecting pipe (8) and the wet curtain (13). The water pump assembly (15) includes a housing (1501) fixed to the top of the housing (12), an impeller (1502) is provided inside the housing (1501), and a return water pipe (16) is fixedly connected to the surface of another connecting pipe (8) away from the housing (12). The housing (12) is provided with a drive assembly (17) for driving the blower assembly (14) and the water pump assembly (15) to operate and for driving the auger (10) to reciprocate forward and reverse. A drain pipe (18) is fixedly connected to the bottom of the housing (12).The drive assembly (17) includes a mounting plate (1701) fixed to the top of the housing (12). A motor (1702) is fixed to the top of the mounting plate (1701). A rotating rod (1703) is fixed to the output shaft of the motor (1702). One end of the rotating rod (1703) extends into the interior of the housing (1501) and is fixedly connected to one end of the impeller (1502). The rotating rod (1703) is rotatably connected to the side wall of the housing (1501) via a bearing. A first bevel gear (1704) is sleeved and fixed on the surface of the rotating rod (1703). A second bevel gear (1705) is engaged with the surface of the mounting plate (1704). A transmission rod (1706) is fixed to the bottom of the second bevel gear (1705). The transmission rod (1706) extends into the interior of the housing (12) and is fixed with a third bevel gear (1707). A fourth bevel gear (1708) is engaged with the surface of the third bevel gear (1707). The middle part of the fourth bevel gear (1708) is fixedly connected to one end of the shaft (1402). The transmission rod (1706) is rotatably connected to the top of the housing (12) through a bearing. An L-shaped seat (1709) is fixed at the top. A rotating shaft (1710) is rotatably mounted on the side wall of the L-shaped seat (1709) via bearings. A first sprocket (1711) is fixed at one end of the rotating shaft (1710). A second sprocket (1712) is fixed on the surface of the rotating rod (1703). The first sprocket (1711) is connected to the second sprocket (1712) via a chain (1713). A disc (1714) is fixed at the other end of the rotating shaft (1710). A pin (1715) is rotatably mounted on the surface of the disc (1714). A grooved ring (1716) is fitted onto the surface of the auger (1709). A square rod (1717) is fixed to the top of the grooved ring (1716). The square rod (1717) slides through the top of the L-shaped seat (1709). An L-shaped rod (1718) is fixed to the bottom of the grooved ring (1716). The L-shaped rod (1718) slides through the mounting plate (1701). A rack (1719) is fixed to the bottom end of the L-shaped rod (1718). A spur gear (1720) is meshed with the surface of the rack (1719). The spur gear (1720) is fitted and fixed to one end of the auger (10).

2. The gear casting mold according to claim 1, characterized in that: The lifting assembly (4) includes a U-shaped plate (401) fixed to the top of the lower mold base (1). A cylinder (402) is fixed to the top of the U-shaped plate (401). The ejector end of the cylinder (402) slides through the top of the U-shaped plate (401) and is fixedly connected to the top of the upper mold base (2). Two T-shaped rods (403) slide symmetrically through the top of the U-shaped plate (401). The bottom of the two T-shaped rods (403) is fixedly connected to the top of the upper mold base (2).

3. The gear casting mold according to claim 1, characterized in that: The ejection assembly (6) includes a spring (601) fixed to the bottom of the lower mold base (1). A connecting plate (602) is fixed to the bottom end of the spring (601). Four ejector rods (603) are fixed in a circular array on the top of the connecting plate (602). All four ejector rods (603) slide through the bottom of the lower mold base (1) and extend into the mold cavity of the lower mold base (1). The bottom end of the L-shaped baffle (7) is located below the connecting plate (602).

4. A gear casting mold according to claim 2, characterized in that: The two side walls of the U-shaped plate (401) are fixed with hanging parts (19), and the annular blower pipe (9) is fixedly connected to the two hanging parts (19).

5. A gear casting mold according to claim 1, characterized in that: The side wall of the box (12) away from the wet curtain (13) is fixedly connected to a double-branch air supply pipe (1404). The end of one branch of the double-branch air supply pipe (1404) is fixedly connected to the annular air blower (9), and the end of the other branch of the double-branch air supply pipe (1404) is fixedly connected to one end of the strip air blower (11).

6. A gear casting mold according to claim 1, characterized in that: The surface of the housing (1501) is fixedly connected to a water pumping pipe (1503), the bottom end of which extends to the bottom of the water storage box (3). The surface of the housing (1501) is fixedly connected to a double-branch water supply pipe (1504). One branch of the double-branch water supply pipe (1504) is fixedly connected to an adjacent connecting pipe (8). The end of the other branch of the double-branch water supply pipe (1504) is fixedly connected to a spray pipe (1505). The bottom end of the spray pipe (1505) penetrates the top inner wall of the box (12) and is positioned directly above the wet curtain (13).

7. A gear casting mold according to claim 1, characterized in that: A stabilizing plate (1721) is fixed to the top of the mounting plate (1701). One end of the rotating rod (1703) is rotatably connected to the stabilizing plate (1721) through a bearing. An mounting block (1722) is fixed inside the housing (12). The bottom end of the transmission rod (1706) is rotatably connected to the mounting block (1722) through a bearing.

8. A gear casting mold according to claim 1, characterized in that: The bottom inner wall of the box (12) is provided with a water collection trough (20), and the water collection trough (20) is located directly below the wet curtain (13). The drain pipe (18) is connected to the water collection trough (20).

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