CN116727648A - Investment casting multifunctional casting transfer box - Google Patents

Abstract

The invention relates to the technical field of investment casting, in particular to a multifunctional casting transfer box for investment casting, which comprises a movable box body, wherein the box body is provided with a sand box, a sand storage chamber for covering sand to the sand box and a sand returning chamber for recycling sand of the sand box, and a manipulator for transferring a mould shell is arranged above the sand box. The monitoring system, the power system and the control box of the whole transfer box are electrically connected, so that the following effects can be realized: 1. the external mould shell can be clamped, the casting is transferred into the sandbox for casting, and the manipulator horizontally rotates 180 degrees after casting is completed, so that the casting is transferred to an external designated position; 2. during pouring, the temperature of the mould shell is monitored at any time through an infrared thermometer, whether metal liquid leaks or not is identified, the control box receives signals and controls the sand covering opening to be opened, sand is poured into the sand box to cover the mould shell, and therefore the running fire is prevented, and further leakage of the metal liquid is prevented; 3. and the water-cooled cast mould shell increases the cooling speed of the casting, thereby controlling the quality of the casting.

Description

Investment casting multifunctional casting transfer box

Technical Field

The invention relates to the technical field of investment casting, in particular to a multifunctional investment casting transfer box.

Background

With the development of precision casting technology, investment precision casting not only can produce small castings with complex structural shapes, but also can produce large castings with uneven wall thickness, thereby bringing convenience to industrial production. However, the workpiece which needs precision casting is easy to be broken locally due to the fact that the die shell is different in metal hydrostatic pressure born by all parts during casting because of complex structure, uneven wall thickness and large casting quality, and the die shell is easy to leak (commonly called as 'running fire') to cause waste and injury accidents. In addition, precision casting of different workpieces requires different cooling environments due to different shapes, structures, dimensions and materials, and a new investment casting technology is needed to provide an inexpensive and efficient investment casting environment.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, and provides the investment casting multifunctional casting transfer box which can realize the operations of clamping, pouring, heat preservation, transferring and the like of a preheated mould shell, and can also timely repair leakage when damaged metal liquid of the mould shell leaks before casting is solidified and formed, so that the waste of the metal liquid is reduced, the discharged metal liquid is prevented from scalding workers, the risk of scalding the workers is greatly reduced, and meanwhile, the casting molding rate of the casting is improved.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a multifunctional investment casting transfer box, includes box and control box, the box is provided with the sandbox and covers the sand storage room of sand to the sandbox, the top of sandbox is provided with the manipulator of transporting the mould shell; the box body comprises a bottom plate with travelling wheels, two wallboards are arranged in a centering manner and in parallel, the sandbox is positioned between the two wallboards, two sand storage chambers are respectively positioned at the outer sides of the two wallboards, the wallboards are provided with sand covering openings communicated with the sand storage chambers, the sand covering openings are higher than the sandbox, the outlet ends of the sand covering openings are provided with automatic opening and closing doors, the automatic opening and closing doors comprise baffle plates which are in sliding connection with the wallboards and can seal the sand covering openings, and a sand covering motor which is fixed on the wallboards, the baffle plates are integrally connected with sand covering racks, and an output shaft of the sand covering motor is fixedly provided with sand covering gears meshed with the sand covering racks; the manipulator is provided with a camera and an infrared thermometer for monitoring the temperature of the mould shell, and the sand-covered motor, the camera and the infrared thermometer are electrically connected with the control box.

Preferably, the manipulator comprises a cross beam, two ends of the cross beam are lapped with two wallboards through idler wheels, the wallboards are provided with longitudinal racks, the cross beam is provided with a longitudinal motor, and the output end of the longitudinal motor is fixed with a longitudinal gear meshed with the longitudinal racks; the transverse beam is connected with a sliding seat in a sliding manner, a transverse rack is arranged on one side of the transverse beam, a transverse motor is arranged on the sliding seat, and a transverse gear meshed with the transverse rack is fixed on an output shaft of the transverse motor; the sliding seat is fixedly provided with a locking type rotating wheel, and the locking type rotating wheel is provided with a lifting frame and a lifting cylinder for driving the lifting frame to lift; the lifting frame comprises a lifting frame and is characterized in that a clamping motor and sliding rods which are unfolded towards two sides are arranged at the bottom end of the movable frame of the lifting frame, the sliding rods are connected with two sliding blocks in a sliding mode, the two sliding blocks are penetrated by a screw rod with opposite threads at two ends and are connected with each other in a threaded mode, a driven gear is arranged in the middle of the screw rod, an output shaft of the clamping motor is fixed with a driving gear meshed with the driven gear, and clamping rods forming clamping claws are fixed on the two sliding blocks; the longitudinal motor, the transverse motor, the lifting cylinder and the clamping motor are electrically connected with the control box.

Preferably, the sliding seat is provided with a feeding hole for pouring molten metal into the mould shell, the feeding hole comprises a funnel and a material guiding pipe positioned below the funnel, and the material guiding pipe is positioned right above the position of the clamping jaw for clamping the mould shell; the camera and the infrared thermometer are arranged on the movable frame of the lifting frame.

Preferably, a sand returning chamber is arranged below the sand storage chamber, the bottom of the sand returning chamber is provided with an inclined plate, and a spiral lifting machine is arranged between the sand storage chamber and the sand returning chamber; a sand returning port for communicating the sand returning chamber with the sand box is arranged between the sand returning chamber and the sand box; the bottom plate that is located return sand room is provided with clear sand mouth, clear sand mouth is provided with the picture peg that seals.

Preferably, the sandbox is provided with sandbox walking wheel, return the sand mouth set up in the curb plate bottom of sandbox, the bottom centre of sandbox is high then to the inclined plane of both sides formation downwardly extending, and this inclined plane articulates to be higher than when having the level returns the stripper of sand mouth, can expose when the stripper is down overturned returns the sand mouth, the front end of stripper is provided with the lifting and draws the stripper and makes it keep horizontally pull rod.

Preferably, a flat vibration motor is arranged at the bottom of the sand storage chamber and the bottom of the sand box.

Preferably, the box is provided with the insulating layer below the sandbox, the box is provided with the thermal insulation door around two the passageway that the wallboard pressed from both sides, the box is provided with the closing cap that can open and shut at two the tops that the wallboard pressed from both sides the passageway.

Preferably, when the transfer box is used for water-cooling casting of workpieces, sand in the sand box, the sand storage chamber and the sand returning chamber is replaced by water, the liquid level in the sand box is adjusted through the sand covering opening and the sand returning opening, and sealing asbestos pads are arranged at the abutting positions of four sides of the stripper plate and the sand box and the sand covering opening; the water-cooling casting steps are as follows: 1. during pouring, the distance between the bottom of the mould shell to be poured and the water surface in the sandbox is adjusted to be 5-10cm & lt 2 & gt, after pouring is finished, the soaking speed and depth of the mould shell are controlled through the manipulator, and after cooling is finished, the manipulator transfers the casting to an external designated position.

The beneficial effects of the invention are as follows: the utility model provides a multi-functional foundry goods transfer box of investment casting, its includes mobilizable box, the box be provided with the sandbox and to the sand storage room of sandbox cover sand, and handle the sand of sandbox is retrieved returns the sand room, the top of sandbox is provided with the manipulator of transporting the mould shell. The monitoring system, the power system and the control box of the whole transfer box are electrically connected, so that the following effects can be realized: 1. the external mould shell can be clamped, the casting is transferred into the sandbox for casting, and the manipulator horizontally rotates 180 degrees after casting is completed, so that the casting is transferred to an external designated position; 2. during pouring, the temperature of the mould shell is monitored at any time through an infrared thermometer, whether metal liquid leaks or not is identified, the control box receives signals and controls the sand covering opening to be opened, sand is poured into the sand box to cover the mould shell, and therefore the running fire is prevented, and further leakage of the metal liquid is prevented; 3. the mould shell after water-cooling pouring increases the cooling speed of the casting, thereby controlling the quality of the casting; 4. the cast mould shell can be placed in the sandbox, and then the front and back doors and the top cover of the sandbox body are closed for heat preservation treatment.

Drawings

FIG. 1 is a perspective view of a transfer box for investment casting of a multi-functional casting of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1A;

fig. 3 is an external perspective view of the present invention in a heat-insulating state;

FIG. 4 is a front view of an investment casting multifunctional casting transfer box of the present invention;

FIG. 5 is a top view of FIG. 4;

FIG. 6 is a B-B cross-sectional view of FIG. 4;

FIG. 7 is a front view of the sandbox;

FIG. 8 is a C-C cross-sectional view of FIG. 1;

FIG. 9 is a perspective view of the manipulator;

FIG. 10 is a front view of the manipulator;

fig. 11 is a D-D cross-sectional view of fig. 10.

Reference numerals illustrate:

1-box body, 110-bottom plate, 111-sand removing opening, 112-sealing plugboard, 120-wallboard, 130-heat insulating layer, 140-heat insulating door, 150-sealing cover, 2-control box, 210-camera, 220-infrared thermometer, 3-sand box, 310-sand returning opening 320-stripper plate, 330-pull rod, 4-sand storage chamber, 410-sand covering opening, 420-automatic opening and closing door, 421-baffle plate 422-sand-covering motor, 423-sand-covering Sha Chitiao, 424-sand-covering gear, 5-manipulator, 510-beam, 511-roller 512-longitudinal racks, 513-longitudinal motors, 514-longitudinal gears, 520-sliding seat, 521-transverse racks, 522-transverse motors, 523-transverse gears, 530-locking rotary wheels, 531-lifting frames, 532-lifting cylinders, 540-clamping motors, 541-sliding rods, 542-sliding blocks, 543-screws, 544-driven gears, 545-driving gears, 546-clamping jaws, 550-feeding ports, 551-funnels, 552-material guiding pipes, 6-sand returning chambers, 7-spiral lifts, 8-flat vibration motors.

Detailed Description

The invention will now be described in further detail with reference to the drawings and the specific embodiments, without limiting the scope of the invention.

1-11, the investment casting multifunctional casting transfer box comprises a box body 1 and a control box 2, wherein the box body 1 is provided with a sand box 3 and a sand storage chamber 4 for covering the sand box 3 with sand, and a manipulator 5 for transferring a mould shell is arranged above the sand box 3; the box body 1 comprises a bottom plate 110 with travelling wheels, two wallboards 120 are arranged in a centering manner and in parallel on the bottom plate 110, the sandbox 3 is positioned between the two wallboards 120, two sand storage chambers 4 are respectively positioned at the outer sides of the two wallboards 120, the wallboards 120 are provided with sand covering openings 410 communicated with the sand storage chambers 4, the sand covering openings 410 are higher than the sandbox 3, the outlet ends of the sand covering openings 410 are provided with automatic opening and closing doors 420, the automatic opening and closing doors 420 comprise baffle plates 421 which are in sliding connection with the wallboards 120 and can seal the sand covering openings 410, and a sand covering motor 422 fixed on the wallboards 120, the baffle plates 421 are integrally connected with sand covering racks 423, and the output shafts of the sand covering motors 422 are fixedly provided with sand covering gears 424 meshed with the sand covering Sha Chitiao 423; the manipulator 5 is provided with a camera 210 and an infrared thermometer 220 for monitoring the temperature of the mould shell, and the sand-covering motor 422, the camera 210 and the infrared thermometer 220 are electrically connected with the control box 2.

The transfer box is of a bilateral symmetry structure, a place for casting a mould shell is arranged in the middle, two sides of the transfer box are provided with a sand storage chamber 4 for preventing fire from running and covering sand on the sand box 3, and a sand return chamber 6 for recycling sand in the sand box 3, the sand return chamber 6 is positioned below the sand storage chamber 4, and a spiral lifting machine 7 is arranged between the sand return chamber 6 and the sand storage chamber 4, so that closed loop circulation of sand in the transfer box is realized. Of course, this transfer case is in the outside of storing up sand room 4 still is provided with the moisturizing mouth the bottom of returning sand room 6 is provided with clear sand mouth 111 to realize the transfer of sand at this transfer case and external world. The sealing insert plate 112 provided at the sand removing opening 111 is usually in a sealing state, and when sand is removed, sand can flow out by manually pulling out the sealing insert plate 112.

The manipulator 5 comprises a cross beam 510 with two ends overlapped with two wallboards 120 through idler wheels 511, the wallboards 120 are provided with longitudinal racks 512, the cross beam 510 is provided with a longitudinal motor 513, and the output end of the longitudinal motor 513 is fixed with a longitudinal gear 514 meshed with the longitudinal racks 512; the cross beam 510 is slidably connected with a sliding seat 520, one side of the cross beam 510 is provided with a transverse rack 521, the sliding seat 520 is provided with a transverse motor 522, and an output shaft of the transverse motor 522 is fixed with a transverse gear 523 meshed with the transverse rack 521; the sliding seat 520 is fixed with a locking type rotating wheel 530, and the locking type rotating wheel 530 is provided with a lifting frame 531 and a lifting cylinder 532 for driving the lifting frame 531 to lift; the bottom end of the movable frame of the lifting frame 531 is provided with a clamping motor 540 and sliding rods 541 which are unfolded towards two sides, the sliding rods 541 are slidably connected with two sliding blocks 542, the two sliding blocks 542 are penetrated by a screw rod 543 with opposite threads at two ends and are in threaded connection, a driven gear 544 is arranged in the middle of the screw rod 543, an output shaft of the clamping motor 540 is fixed with a driving gear 545 which is meshed with the driven gear 544, and the two sliding blocks 542 are fixed with clamping rods which form clamping claws 546; the longitudinal motor 513, the transverse motor 522, the lifting cylinder 532, and the clamping motor 540 are electrically connected to the control box 2. The manipulator 5 can longitudinally translate, transversely translate, vertically lift and horizontally rotate, and the whole power system is electrically connected with the control box 2, so that the action of the manipulator 5 can be automatically controlled, and the clamping and transferring operation of the shuttering can be completed. In addition, the clamping bars of the jaws 546 can also be configured as telescoping bars driven by air cylinders, thereby extending the formwork that facilitates clamping and placement over excessive distances.

The transfer box is provided with a plurality of cameras 210 at the mechanical arm 5 or other positions, monitors the positions of the clamping jaws 546 at any time, and feeds back the positions to the control box 2 in real time, so that the mould shells are automatically clamped and transferred, and automatic pouring operation is realized. Because this transfer case is in pour into a mould in box 1, large-scale pouring ladle is difficult to stretch into and pour into a mould, and when the pipelining, the pouring ladle is followed the top of box 1 is poured down, has very big fall between pouring ladle and the mould shell like this, for making the molten metal fall into the mould shell accurately to prevent that the molten metal from splashing, this transfer case is in manipulator 5 is provided with the feed inlet 550 that accepts and guide the molten metal whereabouts. Specifically, the feed inlet 550 includes a funnel 551 and a material guiding tube 552 located below the funnel 551, where the material guiding tube 552 is located right above the position where the manipulator clamps the mold.

For the purpose of real-time tracking of the shuttering, the embodiment sets the infrared thermometer 220 on a movable frame of the lifting frame 531 which is relatively fixed with the claw 546; in actual production, the infrared thermometer 220 with a real-time tracking function can be adopted and installed at other positions far away from the pouring position so as to prevent molten metal from splashing and scalding the instrument. When the molten steel is normally poured, the temperature of the surface of the mould shell is lower than 1100 ℃, and the temperature of the molten steel exceeds 1500 ℃, and when the mould shell is broken and the molten metal is leaked, the temperature monitored by the infrared thermometer 220 is suddenly increased, so that whether the molten metal is leaked or not is identified; meanwhile, the signal is fed back to the control box 2, the control box 2 controls the automatic opening and closing door 420 to be opened, sand stored in the sand storage chamber 4 can be poured into the sand box 3, so that the mould shell is covered, molten metal is prevented from splashing, on one hand, the damaged part of the mould shell is blocked, the temperature of the mould shell is reduced, molten metal at the damaged part is solidified, the broken part is prevented from being further enlarged, and the molten metal waste and the casting rejection rate are reduced.

In order to enable the sand to fall down quickly when the sand is covered, the bottom of the sand storage chamber 4 is provided with a flat vibration motor 8. After the sand coating is completed, the sand in the sand box 3 needs to be cleaned, and the sand box 3 can be pulled out of the box body 1 for cleaning. In this embodiment, the system is cleaned by internal circulation, and for this purpose, a sand return port 310 is disposed between the sand box 3 and the sand return chamber 6, and the sand return port 310 penetrates through the side wall of the sand box 3 and the wall plate 120, so as to prevent sand leakage, the sand box 3 is fixed in the box body 1, and the side wall of the sand box is attached to the wall plate 120, or a chute with a "mouth" shaped cross section is disposed in the sand return port 310, or the sand box 3 and the sand return chamber 6 share the wall plate 120. In order to enable the sandbox 3 to store sand and smooth during sand unloading, the sand return opening 310 is formed at the bottom of the side plate of the sandbox 3, the middle of the bottom of the sandbox 3 is high and then forms downward extending inclined planes towards two sides, the inclined planes are hinged with a stripper plate 320 which is higher than the sand return opening 310 in the horizontal direction, the stripper plate 320 can be exposed out of the sand return opening 310 when being turned downwards, and a pull rod 330 for lifting the stripper plate 320 and keeping the stripper plate 320 horizontal is arranged at the front end of the stripper plate 320. In this embodiment, when the sand is unloaded, the pull rod 330 is operated, so that the pull rod is not hung on the edge of the sandbox 3, and the stripper plate 320 falls under the action of gravity, so that the sand return opening 310 is exposed. In addition, in order to increase the sand unloading efficiency, the bottom plate of the sandbox 3 is provided with a flat vibration motor 8.

In summary, the transfer box performs dynamic and position monitoring through the camera 210, the control box 2 controls the manipulator 5 to clamp the mould shell from the outside to the sandbox 3 and suspend to a proper position, and then the ladle pours molten metal into the mould shell through the feed inlet 550; the infrared thermometer 220 monitors the temperature of the surface of the mould shell in real time, recognizes whether fire runs, feeds back a signal to the control box 2, and then controls the automatic opening and closing door 420 to open, and pours sand into the mould shell, thereby preventing the fire from running; when the sand of the sandbox 3 is too much, the pull rod 330 hung on the edge of the sandbox 3 is manually taken down, so that the stripper plate 320 falls down, the sand returning opening 310 is exposed, the sand of the sandbox 3 flows into the sand returning chamber 6, then the sand is lifted from the sand returning chamber 6 to the sand storage chamber 4 through the spiral lifting machine 7, and the internal circulation of the sand in the transfer box is completed.

The above is the embodiment of the transfer box for normal operation and preventing fire running. On the basis, the transfer box has the following three operation modes.

Mode one: continuous operation mode of the production line.

In this mode, the front and rear doors of the transfer box can be provided with conveyor belts, the manipulator 5 clamps the mould shells on the front door conveyor belts, transfers and hangs at the proper position of the sandbox 3, after casting is completed, the manipulator 5 horizontally rotates 180 degrees, the cast mould shells are placed on the rear door conveyor belts, then, the manipulator 5 horizontally rotates 180 degrees again, and the steps are repeated, so that continuous operation of the production line is realized.

Mode two: and (5) a heat preservation mode.

In order to allow accurate and rapid coverage of the formwork by sand during a fire run, the formwork is usually positioned in the middle of the sandbox 3 during casting. For some castings, thermal insulation cooling is required, for this purpose, the box 1 is provided with a thermal insulation layer 130 below the sandbox 3, the box 1 is provided with thermal insulation doors 140 in front and back of the channel clamped by the two wallboards 120, and the box 1 is provided with an openable sealing cover 150 at the top of the channel clamped by the two wallboards 120. The specific operation is as follows: after the pouring is completed, the poured mould shell is placed at a proper position of the sandbox 3 by using the manipulator 5, and the mould shell is covered with sand to be stabilized, so that the pouring is prevented; after the sand box 3 is fully filled with the cast shuttering, the front and rear heat preservation doors 140 and the sealing covers 150 on the top are closed; pushing the transfer box open, replacing the next transfer box, and repeating the steps.

Mode three: and (3) a water-cooling casting mode.

Some castings require rapid cooling for defect control or control of the cooling level of the metal, which requires immersion in a cooling fluid to increase the cooling rate or control the cooling sequence. In this embodiment, water cooling is adopted, and preparation is required before specific operation, sand in the sandbox 3, the sand storage chamber 4 and the sand returning chamber 6 is replaced by water, the liquid level in the sandbox 3 is adjusted through the sand covering opening 410 and the sand returning opening 310, and sealing asbestos pads are arranged at the abutting positions of four sides of the stripper plate 320 and the sandbox 3 and the sand covering opening 410. The water-cooling casting step is then as follows: 1. during pouring, the distance between the bottom of the mould shell to be poured and the water surface in the sandbox 3 is adjusted to be 5-10cm, after pouring is completed, the soaking speed and depth of the mould shell are controlled through the manipulator 5, and after cooling is completed, the manipulator 5 transfers castings to an appointed position outside.

Finally, it should be noted that the foregoing embodiments are merely for illustrating the technical solution of the present invention, and the front, rear, left, right, upper, middle, lower, etc. directions adopted for the description of the technical solution are set based on the drawings, not limiting the scope of the present invention, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention.

Claims (8)

1. An investment casting multifunctional casting transfer box which is characterized in that: the sand box comprises a box body and a control box, wherein the box body is provided with a sand box and a sand storage chamber for covering sand to the sand box, and a manipulator for transferring the mould shell is arranged above the sand box; the box body comprises a bottom plate with travelling wheels, two wallboards are arranged in a centering manner and in parallel, the sandbox is positioned between the two wallboards, two sand storage chambers are respectively positioned at the outer sides of the two wallboards, the wallboards are provided with sand covering openings communicated with the sand storage chambers, the sand covering openings are higher than the sandbox, the outlet ends of the sand covering openings are provided with automatic opening and closing doors, the automatic opening and closing doors comprise baffle plates which are in sliding connection with the wallboards and can seal the sand covering openings, and a sand covering motor which is fixed on the wallboards, the baffle plates are integrally connected with sand covering racks, and an output shaft of the sand covering motor is fixedly provided with sand covering gears meshed with the sand covering racks; the manipulator is provided with a camera and an infrared thermometer for monitoring the temperature of the mould shell, and the sand-covered motor, the camera and the infrared thermometer are electrically connected with the control box.

2. The investment casting multifunctional casting transfer box of claim 1, wherein: the manipulator comprises a cross beam, two ends of the cross beam are lapped with two wallboards through idler wheels, the wallboards are provided with longitudinal racks, the cross beam is provided with a longitudinal motor, and the output end of the longitudinal motor is fixedly provided with a longitudinal gear meshed with the longitudinal racks; the transverse beam is connected with a sliding seat in a sliding manner, a transverse rack is arranged on one side of the transverse beam, a transverse motor is arranged on the sliding seat, and a transverse gear meshed with the transverse rack is fixed on an output shaft of the transverse motor; the sliding seat is fixedly provided with a locking type rotating wheel, and the locking type rotating wheel is provided with a lifting frame and a lifting cylinder for driving the lifting frame to lift; the lifting frame comprises a lifting frame and is characterized in that a clamping motor and sliding rods which are unfolded towards two sides are arranged at the bottom end of the movable frame of the lifting frame, the sliding rods are connected with two sliding blocks in a sliding mode, the two sliding blocks are penetrated by a screw rod with opposite threads at two ends and are connected with each other in a threaded mode, a driven gear is arranged in the middle of the screw rod, an output shaft of the clamping motor is fixed with a driving gear meshed with the driven gear, and clamping rods forming clamping claws are fixed on the two sliding blocks; the longitudinal motor, the transverse motor, the lifting cylinder and the clamping motor are electrically connected with the control box.

3. The investment casting multifunctional casting transfer box of claim 2, wherein: the sliding seat is provided with a feeding hole for pouring molten metal into the mould shell, the feeding hole comprises a funnel and a material guiding pipe positioned below the funnel, and the material guiding pipe is positioned right above the position of the clamping jaw for clamping the mould shell; the camera and the infrared thermometer are arranged on the movable frame of the lifting frame.

4. The investment casting multifunctional casting transfer box of claim 1, wherein: a sand returning chamber is arranged below the sand storage chamber, an inclined plate is arranged at the bottom of the sand returning chamber, and a spiral lifting machine is arranged between the sand storage chamber and the sand returning chamber; a sand returning port for communicating the sand returning chamber with the sand box is arranged between the sand returning chamber and the sand box; the bottom plate that is located return sand room is provided with clear sand mouth, clear sand mouth is provided with the picture peg that seals.

5. The investment casting multifunctional casting transfer box of claim 4, wherein: the sand return opening is formed in the bottom of the side plate of the sandbox, a downward extending inclined plane is formed in the middle of the bottom of the sandbox and then is higher than a stripper plate of the sand return opening when the inclined plane is hinged to the horizontal plane, the stripper plate can be exposed out of the sand return opening when being turned downwards, and a pull rod for lifting the stripper plate and keeping the stripper plate horizontal is arranged at the front end of the stripper plate.

6. The investment casting multifunctional casting transfer box of claim 1, wherein: the bottom of the sand storage chamber and the bottom of the sand box are provided with flat vibration motors.

7. The investment casting multifunctional casting transfer box of claim 1, wherein: the box is in the below of sandbox is provided with the insulating layer, the box is provided with the thermal insulation door around two the passageway that the wallboard pressed from both sides, the box is provided with the closing cap that can open and shut at two the top that the passageway was pressed from both sides to the wallboard.

8. The water-cooling casting method adopting the investment casting multifunctional casting transfer box of claim 4 is characterized in that: the sand in the sandbox, the sand storage chamber and the sand returning chamber is replaced by water, the liquid level height in the sandbox is adjusted through the sand covering opening and the sand returning opening, and sealing asbestos pads are arranged at the abutting positions of four sides of the stripper plate and the sandbox and the sand covering opening; the water-cooling casting steps are as follows: 1. during pouring, the distance between the bottom of the mould shell to be poured and the water surface in the sandbox is adjusted to be 5-10cm & lt 2 & gt, after pouring is finished, the soaking speed and depth of the mould shell are controlled through the manipulator, and after cooling is finished, the manipulator transfers the casting to an external designated position.