CN212102634U - Automatic defoaming pouring device - Google Patents

Abstract

The utility model belongs to the field of chemical material casting molding, and particularly discloses an automatic deaeration type pouring device, which comprises a primary hopper assembly, a secondary hopper assembly and a vacuum pouring box which are sequentially arranged from top to bottom, wherein the primary hopper assembly comprises an upper platform, a primary hopper and a first controller, the primary hopper is arranged below the upper platform, and the first controller comprises a first lifting ball valve which is positioned at a discharge port in the primary hopper; the secondary hopper assembly comprises a secondary hopper, a lower-layer platform and a second controller, the secondary hopper is fixed on the lower-layer platform, a secondary hopper cover is fixed at the upper end of the secondary hopper, the secondary hopper cover is connected with a discharge port of the primary hopper, and the second controller comprises a second lifting ball valve which is positioned at the discharge port in the secondary hopper; the vacuum pouring box is arranged below the secondary hopper, a shell is arranged in the vacuum pouring box, and the shell is connected with a discharge port of the secondary hopper. The utility model discloses can realize automatic continuous casting, the bubble improves product quality in the desorption material simultaneously.

Description

Automatic defoaming pouring device

Technical Field

The utility model belongs to the chemical material casting moulding field, more specifically relates to an automatic change deaeration type pouring device.

Background

At present, the automation degree of the casting process of the composite energetic material is low, most procedures need manual operation, the efficiency is low, the danger is high, and the product uniformity is not high. For example, in the working procedure, the mounting, dismounting, positioning and locking of a primary hopper, a secondary hopper cover and a rubber tube valve are often carried out in a manner of manually screwing screws, so that the operation is time-consuming and tedious; the pneumatic rubber tube valve is generally adopted for controlling the opening and closing of the medicine slurry discharging and the adjustment of the discharging speed, but the rubber tube valve has large volume, the medicine slurry flows through the valve body, the installation and the disassembly are inconvenient, and the residual medicine slurry in the valve body is difficult to clean; particularly, whether the casing is fully poured or not needs to be judged by observing whether the medicine slurry overflows from the exhaust hole of the pouring system or not manually at present, and then the operations of closing the feed opening, releasing air and releasing pressure are carried out next step, so that the automation degree is low.

With the rapid development of various types of weapon equipment, the requirements on the performance indexes of the composite energetic material such as burning speed, energy and the like are higher and higher, the higher performance means higher solid phase content and lower bubble content, the high solid phase content inevitably causes the viscosity of the slurry to increase, the leveling property and the fluidity are also worsened, the pouring time of the product can be prolonged after the fluidity is worsened, the temperature of the slurry can be reduced along with the lapse of time, and the viscosity of the slurry can be further increased in turn, so that the rapid and uniform pouring molding of the product can not be realized only by the flowing of the slurry under the action of the self gravity; the gas doped in the slurry is also an important factor for restricting the quality of the cast product, and a part of bubbles can be brought in the process of mixing the high-viscosity slurry, so that the cast product has structural defects of air holes, looseness and the like, and the performance of the cast product is seriously influenced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects or the improvement requirements in the prior art, the utility model provides an automatic deaeration type pouring device, which aims to judge the pouring condition by the cooperation of a first controller and a vacuum pressure sensor and the cooperation of a second controller and an S-shaped pull pressure sensor so as to realize automatic continuous pouring without manual intervention; meanwhile, by arranging the vacuum port and the pattern plate, bubbles in the material can be effectively removed, so that a cast product is compact and has no structural defects such as air holes, looseness and the like, and the quality of a charged product is improved.

In order to achieve the above object, the utility model provides an automatic change deaeration type pouring device, include from last to down the primary hopper subassembly, secondary hopper subassembly and the vacuum casting case that set gradually, wherein:

the primary hopper assembly comprises an upper-layer platform, a primary hopper and a first controller, wherein the primary hopper is arranged below the upper-layer platform; the first controller comprises a first motor, a first electric cylinder, a first ball rod and a first lifting ball valve which are connected in sequence, and the first lifting ball valve is positioned at a discharge port at the lower end in the primary hopper;

the secondary hopper assembly comprises a secondary hopper, a lower-layer platform and a second controller, wherein the secondary hopper is fixed on the lower-layer platform, a secondary hopper cover is fixed at the upper end of the secondary hopper, the secondary hopper cover is connected with a discharge port at the lower end of the primary hopper, a pattern plate is arranged at the connection part of the secondary hopper cover and the primary hopper, and a vacuum port is formed in the secondary hopper cover and provided with a vacuum pressure sensor; the second controller comprises a second motor, a second electric cylinder, a second ball rod and a second lifting ball valve which are sequentially connected, the second ball rod comprises a straight line section and a bending section, the straight line section is positioned in the secondary hopper and is provided with an S-shaped pull pressure sensor, and the second lifting ball valve is positioned at a discharge outlet at the lower end in the secondary hopper;

the vacuum casting box is arranged below the secondary hopper, a vacuum port is formed in the vacuum casting box, a shell is arranged in the vacuum casting box and connected with a discharge port at the lower end of the secondary hopper, a pattern plate is arranged at the joint of the shell and the secondary hopper, and meanwhile, an exhaust hole is formed in the upper edge of the shell and communicated with the vacuum casting box.

Preferably, the primary hopper and the secondary hopper are both provided with lifting rings; the primary hopper and between the upper-layer platforms and the secondary hopper and between the lower-layer platforms are positioned through copper sleeves and positioning pins, and the compression and locking are realized through hydraulic corner cylinders.

Preferably, the lower surfaces of the upper platform and the lower platform are welded with oblique ribs.

As further preferred, the primary hopper with the secondary hopper all is equipped with the zone of heating outward, and is equipped with the heat preservation outward the zone of heating.

Preferably, the heating layer is made of stainless steel, and the insulating layer is filled with polyurethane foam.

Preferably, the secondary hopper is provided with an observation window.

Preferably, the straight section and the bent section of the second cue penetrate through the secondary hopper cover, and the straight section and the bent section of the second cue penetrate through the secondary hopper cover and are guided by using a linear bearing.

More preferably, the second shaft rod is connected to the main shaft of the second electric cylinder by a diaphragm coupling.

Preferably, the first lifting ball valve and the second lifting ball valve are made of polytetrafluoroethylene.

Preferably, the contact surface of the primary hopper and the secondary hopper cover and the contact surface of the secondary hopper cover and the secondary hopper are provided with O-shaped sealing rings, and the contact surface of the secondary hopper and the vacuum pouring box is provided with a mountain-shaped sealing ring.

Generally, through the utility model above technical scheme who thinks compares with prior art, mainly possesses following technical advantage:

1. the utility model judges the pouring condition by the cooperation of the first controller and the vacuum pressure sensor and the cooperation of the second controller and the S-shaped pull pressure sensor, thereby automatically carrying out the subsequent operations of closing the ball valve, deflating and relieving the pressure, and realizing the automatic continuous pouring without manual intervention; simultaneously through setting up vacuum port and card, can effectual desorption material inside bubble, make the casting product compact, no pore and tissue defects such as loose improve the quality of powder charge product, solved present composite energetic material casting device's degree of automation low, medicine thick liquid viscosity high mobility poor and mix the problem such as bubble.

2. The utility model can adopt a robot to grab the hanging ring on the hopper, and realizes the automatic transfer in the process of disassembling and assembling the hopper; the hopper is positioned by two positioning pins on the platform, and a copper sleeve is embedded on the hole surface matched with the positioning pins on the hopper in consideration of avoiding explosion and deflagration accidents caused by electric sparks in the production process of energetic materials, so that the direct contact friction and sparking of the positioning pins made of stainless steel and the positioning holes of the hopper made of stainless steel are avoided; the locking of hopper adopts hydraulic pressure corner jar to replace traditional screw, and this corner jar accessible hydraulic oil carries out remote control, has the function of lift and level positive and negative rotation 90 degrees simultaneously, and the lift is a set of parallel action with the rotation, and the lift can realize compressing tightly and loosening of pneumatic cylinder clamp plate to the hopper, and the rotation is in order to get the motion space of putting the hopper of getting the pneumatic cylinder clamp plate soon when putting the hopper, avoids interfering.

3. The cleaning of pouring device is also the utility model discloses an important improvement direction, because the hopper can adopt the robot to get and put, hydraulic pressure corner jar locking, has greatly made things convenient for the cleaning of hopper, to the washing of hopper feed opening valve, the utility model discloses an explosion-proof type over-and-under type ball valve compares traditional rubber tube valve, and this ball valve is because small, the medicine thick liquid is at the surface of ball valve, so wash more convenient, and the drive power of ball valve is explosion-proof servo motor, can realize the electrodeless regulation of ball valve aperture to realize the arbitrary regulation of pouring speed.

4. The utility model discloses a hopper is equipped with zone of heating and heat preservation outward, and the zone of heating can improve the temperature of medicine thick liquid and then promote its mobility and leveling nature, in order to prevent the zone of heating incrustation scale, hopper zone of heating wall adopts stainless steel, and nevertheless stainless steel heat scattering and disappearing is fast, and the rate of heating can not follow up and will lead to the inside medicine thick liquid temperature of hopper to rise, consequently sets up a heat preservation in the zone of heating outside, can effectively reduce heat loss like this, improves heating efficiency, the inside heat preservation thermal insulation material that fills of heat preservation, thermal insulation material is polyurethane foam, the inside annular runner that adopts of zone of heating guide high temperature distilled water to carry out the circulation heating to the hopper internal face.

5. The utility model discloses a hopper and locating pin complex locating hole adopt brass material, over-and-under type ball valve to adopt the polytetrafluoroethylene material, have avoided the electric spark of the collision production between the spare part, have promoted the security in the energetic material pouring process.

6. All adopt the sealing washer to seal between hopper, pouring box and the card, ensured the leakproofness in each independent space, guaranteed the vacuum in hopper and the casing.

Drawings

FIG. 1 is a schematic structural view of an automatic defoaming casting apparatus according to an embodiment of the present invention;

fig. 2 is a sectional view of an automatic defoaming casting device according to an embodiment of the present invention.

The same reference numbers will be used throughout the drawings to refer to the same or like elements or structures, wherein: 1-positioning pin, 2-copper bush, 3-lifting ring, 4-hydraulic corner cylinder, 5-upper platform, 6-primary hopper, 7-secondary hopper cover, 8-observation window, 9-secondary hopper, 10-hydraulic corner cylinder, 11-lower platform, 12-copper bush, 13-positioning pin, 14-lifting ring, 15-vacuum pressure sensor, 16-linear bearing, 17-pin, 18-first motor, 19-first electric cylinder, 20-first ball rod, 21-first lifting ball valve, 22-pattern plate, 23-S type pulling pressure sensor, 24-linear bearing, 25-O type sealing ring, 26-diaphragm type coupling, 27-second motor, 28-second electric cylinder, 29-second ball rod, 30-mountain-shaped sealing ring, 31-vacuum pouring box, 32-vacuum port, 33-shell, 34-hoop, 35-flower plate, 36-water inlet, 37-second lifting ball valve, 38-heat preservation layer, 39-heating layer, 40-water outlet, 41-butterfly nut, 42-vacuum port, 43-O-shaped sealing ring, 44-water inlet, 45-water outlet, 46-heat preservation layer and 47-heating layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

The embodiment of the utility model provides a pair of automatic defoaming type pouring device, as shown in fig. 1 and fig. 2, include from last hopper subassembly, secondary hopper subassembly and the vacuum pouring box 31 that sets gradually down, wherein:

the primary hopper assembly comprises an upper platform 5, a primary hopper 6 and a first controller, wherein the primary hopper 6 is arranged below the upper platform 5; the first controller comprises a first motor 18, a first electric cylinder 19, a first ball rod 20 and a first lifting ball valve 21 which are connected in sequence, the first electric cylinder 19 and the first ball rod 20 are connected through a pin 17, the first ball rod 20 is fixed through a linear bearing 16 when penetrating through the upper platform 5, and the first lifting ball valve 21 is positioned at a discharge outlet at the lower end in the primary hopper 6;

the secondary hopper assembly comprises a secondary hopper 9, a lower-layer platform 11 and a second controller, wherein the secondary hopper 9 is fixed on the lower-layer platform 11, a secondary hopper cover 7 is fixed at the upper end of the secondary hopper 9, the secondary hopper cover 7 is connected with a discharge port at the lower end of the primary hopper 6, a flower plate 22 is arranged at the connection position, a vacuum port 42 is formed in the secondary hopper cover 7, a vacuum pressure sensor 15 is installed on the secondary hopper cover, and an observation window 8 is arranged on the secondary hopper 9; the second controller comprises a second motor 27, a second electric cylinder 28, a second ball rod 29 and a second lifting ball valve 37 which are sequentially connected, the second ball rod 29 comprises a straight line section and a bent section, the straight line section is positioned in the secondary hopper 9 and is provided with an S-shaped pull pressure sensor 23, and the second lifting ball valve 37 is positioned at a discharge port at the lower end in the secondary hopper 9;

the vacuum pouring box 31 is arranged below the secondary hopper 9, a vacuum port 32 is formed in the vacuum pouring box 31, and the vacuum pouring box 31 is preferably of a double-layer water bath heating structure so as to keep the temperature of a poured product and maintain the fluidity of the poured product; a shell 33 is arranged in the vacuum pouring box 31, the shell 33 is connected with a discharge port at the lower end of the secondary hopper 9, a flower plate 35 is arranged at the joint, the flower plate 35 is fixed below the discharge port of the secondary hopper 9 through a quick-release type clamp 34, and meanwhile, an exhaust hole is formed in the upper edge of the shell 33 to communicate with the vacuum pouring box 31.

Further, the primary hopper 6 is provided with a lifting ring 3, and the secondary hopper 9 is provided with a lifting ring 14; the upper-layer platform 5 is provided with a positioning pin 1 and a hydraulic corner cylinder 4, and a copper sleeve 2 matched with the positioning pin 1 is embedded on the primary hopper 6; and a positioning pin 13 and a hydraulic corner cylinder 10 are arranged on the lower-layer platform 11, and a copper sleeve 12 matched with the positioning pin 13 is embedded on the secondary hopper 9.

Further, a heating layer 47 is arranged outside the primary hopper 6, a water inlet 44 and a water outlet 45 are arranged on the heating layer 47, and a heat insulation layer 46 is additionally arranged outside the heating layer 47; a heating layer 39 is arranged outside the secondary hopper 9, a water inlet 36 and a water outlet 40 are arranged on the heating layer 39, and a heat preservation layer 38 is additionally arranged outside the heating layer 39; further, all water inlets and delivery ports all adopt the formula of inserting hot water joint soon, convenient dismantlement, and heating layer 47 and heating layer 39 all adopt 304 stainless steel, thereby avoid producing the water spot among the hot water circulating process and block up the heating tube way, and heat preservation 46 and the inside polyurethane foam that fills of heat preservation 38.

Further, considering that the weight of the hopper and the slurry is large, the lower surfaces of the upper platform 5 and the lower platform 11 are welded with oblique ribs with certain thickness to perform reinforcement treatment.

Further, the straight line section and the bent section of the second ball bar 29 penetrate through the secondary hopper cover 7 and guide by using the linear bearing 24 when penetrating through the secondary hopper cover 7, and since the second ball bar 29 and the second electric cylinder 28 both perform linear rigid motion, in order to avoid errors caused in the process of machining and assembling, the linear motion directions of the second ball bar 29 and the second electric cylinder 28 are not parallel, so that the second ball bar 29 is bent and clamped, and the horizontal deviation of the second ball bar 29 and the second electric cylinder 28 in the vertical motion process can be counteracted by connecting the second ball bar 29 and the main shaft of the second electric cylinder 28 through the flexible diaphragm type coupling 26.

Furthermore, the first lifting ball valve 21 and the second lifting ball valve 37 are made of polytetrafluoroethylene, so that sparks caused by contact with stainless steel materials in the lifting process of the lifting ball valve 21 and the lifting ball valve 37 are avoided; the first lifting ball valve 21 and the second lifting ball valve 37 are respectively connected with the first ball rod 20 and the second ball rod 29 through threads; the surfaces of the first lifting ball valve 21, the second lifting ball valve 37, the first ball rod 20, the second ball rod 29, the primary hopper 6 and the secondary hopper 9 are smooth and have no screws, so that the residual of the slurry in gaps is avoided, and the slurry is convenient to feed and clean; the first motor 18 and the second motor 27 are preferably explosion-proof servo motors.

Furthermore, an O-shaped sealing ring 43 is arranged on the contact surface of the primary hopper 6 and the secondary hopper cover 7, an O-shaped sealing ring 25 is arranged on the contact surface of the secondary hopper cover 7 and the secondary hopper 9, and a mountain-shaped sealing ring 30 is arranged on the contact surface of the secondary hopper 9 and the vacuum pouring box 31, so that the sealing performance of each independent space is ensured.

When the device is adopted for automatic pouring, the concrete working process is as follows:

before the device is ready to be installed, the primary hopper 6 and the secondary hopper 9 are placed on a shelf beside before being installed, and the hydraulic corner cylinders 4 and 10 on the upper platform 5 and the lower platform 11 are in a state of being lifted and horizontally screwed to the periphery, so that the device is ready for the installation of the hoppers.

After the preparation work is finished, a robot is used for grabbing a lifting ring 14 of the secondary hopper 9, the robot moves according to a preset track according to a programmed program in the debugging process, the secondary hopper 9 is grabbed from a hopper frame and is hoisted to be right above a lower-layer platform 11, and then the robot is slowly put down, so that a copper sleeve 12 on the secondary hopper 9 penetrates through a positioning pin 13, and the positioning of the secondary hopper 9 is realized; then, the hydraulic corner cylinder 10 on the lower platform 11 is contracted downwards and horizontally rotates towards the center of the secondary hopper 9, and finally, the secondary hopper 9 is compacted and locked; then, the robot places the primary hopper 6 on the upper platform 5 in the same way and locks the same; in the process of taking and placing the two hoppers, the primary hopper 6 needs to pass through the middle of the upper platform 5, so that two grooves are reserved on the upper platform 5, the water inlet 44, the water outlet 45 and the first motor 18 on the primary hopper 6 can conveniently pass through the upper platform, the secondary hopper 9 directly passes through the two platforms and then is placed on the lower platform 11, and therefore hole grooves do not need to be reserved for the secondary hopper 9 on the two platforms.

When pouring is carried out, the first lifting ball valve 21 and the second lifting ball valve 37 are both in a closed state, circulating hot water is introduced into the water inlet 44 and the water inlet 36 and flows out of the water outlet 45 and the water outlet 40, the heating layer 47 and the heating layer 39 are filled with the hot water, the hot water flows in an internal circulating mode, a stable high-temperature environment is provided inside the hopper, the heat preservation layer 46 and the heat preservation layer 38 further preserve heat, and the high-temperature environment inside the hopper is favorable for improving the flowability and the leveling property of high-viscosity slurry.

Then, the mixed composite energetic material is introduced into a primary hopper 6, air in the secondary hopper 9 is pumped out through a vacuum port 42 to form a vacuum environment, the vacuum degree in the secondary hopper 9 is detected through a vacuum pressure sensor 15, when the vacuum degree meets the requirement, a first lifting ball valve 21 is slowly opened, high-viscosity medicine slurry in the primary hopper 6 flows downwards under the action of self gravity and vacuum adsorption force in the secondary hopper 9, the medicine slurry is divided into a plurality of strands of compact medicine strips through a through hole of a flower plate 22, bubbles doped in the medicine slurry are removed through the fine through hole, the removed bubbles are further pumped out in vacuum, and primary defoaming treatment of the medicine slurry is realized; the first lifting ball valve 21 is powered by a first motor 18 and a first electric cylinder 19, the first motor 18 is an explosion-proof servo motor and can provide rotary motion with adjustable rotating speed and rotating number, the electric cylinder 19 converts the rotary motion into linear motion, so that the first lifting ball valve 21 connected through a first ball rod 20 has the up-and-down motion functions of adjustable speed and adjustable stroke, and the blanking speed of the primary hopper 6 and the opening and closing of a valve port can be controlled; in the pouring process of the primary hopper 6, the vacuum blanking condition can be remotely observed by adopting an explosion-proof camera through the observation window 8, and the opening degree of the first lifting ball valve 21 is adjusted according to the quantity and falling speed of the medicine strips.

After the slurry in the primary hopper 6 is poured, hollow air hole channels can appear near the first lifting ball valve 21, the channels connect the interior of the secondary hopper 9 with the atmosphere, so that the secondary hopper 9 is in a vacuum unloading state, and the negative pressure value detected by the vacuum pressure sensor 15 can change suddenly, therefore, whether the slurry in the primary hopper 6 is poured or not is judged according to the measurement value of the vacuum pressure sensor 15, and the automatic closing action of the first lifting ball valve 21 is realized.

After lifting type ball valve 21 closes, carry out the evacuation to vacuum pouring box 31 through vacuum port 32, unload the vacuum to secondary hopper 9 through vacuum port 42, certain height is opened to second over-and-under type ball valve 37, and the ground paste passes among the colored board 35 pours the casing 33 under vacuum adsorption power and the self action of gravity of vacuum pouring box 31, and the bubble in the medicine thick liquid can further be taken off to the extrusion and the vacuum action of medicine thick liquid of colored board 35 through-hole.

The S-shaped pull pressure sensor 23 on the second ball rod 29 can measure the pull pressure borne by the second lifting ball valve 37, when the second lifting ball valve 37 is closed, the second lifting ball valve 37 is tightly attached to the flower plate 35, the shell 33 is tightly attached to the flower plate 35, the upper edge of the shell 33 is provided with an exhaust hole, the inner space of the shell 33 is communicated with the inner space of the vacuum pouring box 31, therefore, when the vacuum pouring box 31 is vacuumized through the vacuum port 32, the inner part of the shell 33 can be vacuumized, when the shell 33 is fully poured, the slurry overflows the exhaust hole, the inner part of the shell 33 filled with the high-viscosity slurry loses vacuum negative pressure, the vacuum adsorption force to the slurry in the secondary hopper 9 also disappears, therefore, whether the product is fully poured can be judged according to the sudden change of the pull pressure borne by the second lifting ball valve 37 measured by the S-shaped pull pressure sensor 23, and then the subsequent operations of closing the second lifting ball valve 37 and discharging, the automatic continuous production of the product can be realized without manual intervention.

It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The utility model provides an automatic change deaeration type pouring device, its characterized in that includes from last to down the primary hopper subassembly that sets gradually, secondary hopper subassembly and vacuum casting case (31), wherein:

the primary hopper assembly comprises an upper platform (5), a primary hopper (6) and a first controller, wherein the primary hopper (6) is arranged below the upper platform (5); the first controller comprises a first motor (18), a first electric cylinder (19), a first ball rod (20) and a first lifting ball valve (21) which are sequentially connected, and the first lifting ball valve (21) is positioned at a discharge hole at the lower end in the primary hopper (6);

the secondary hopper assembly comprises a secondary hopper (9), a lower-layer platform (11) and a second controller, wherein the secondary hopper (9) is fixed on the lower-layer platform (11), a secondary hopper cover (7) is fixed at the upper end of the secondary hopper, the secondary hopper cover (7) is connected with a discharge hole at the lower end of the primary hopper (6), a pattern plate is arranged at the connection part, and a vacuum port and a vacuum pressure sensor (15) are arranged on the secondary hopper cover (7); the second controller comprises a second motor (27), a second electric cylinder (28), a second ball rod (29) and a second lifting ball valve (37) which are sequentially connected, the second ball rod (29) comprises a straight line section and a bent section, the straight line section is located in the secondary hopper (9), an S-shaped pull pressure sensor (23) is mounted on the straight line section, and the second lifting ball valve (37) is located at a discharge hole at the lower end in the secondary hopper (9);

the vacuum pouring box (31) is installed below the secondary hopper (9), a vacuum port is formed in the vacuum pouring box (31), a shell (33) is arranged in the vacuum pouring box (31), the shell (33) is connected with a discharge port at the lower end of the secondary hopper (9), a flower plate is arranged at the connection position, and meanwhile, an exhaust hole is formed in the upper edge of the shell (33) to enable the shell to be communicated with the vacuum pouring box (31).

2. An automatic defoaming pouring device according to claim 1, wherein the primary hopper (6) and the secondary hopper (9) are provided with lifting rings; the primary hopper (6) and the upper-layer platform (5) and the secondary hopper (9) and the lower-layer platform (11) are positioned through copper sleeves and positioning pins, and are compressed and locked through a hydraulic corner cylinder.

3. An automated defoaming casting apparatus according to claim 1, wherein the lower surfaces of the upper stage (5) and the lower stage (11) are welded with diagonal ribs.

4. An automatic defoaming pouring device according to claim 1, wherein a heating layer is arranged outside the primary hopper (6) and the secondary hopper (9), and an insulating layer is arranged outside the heating layers.

5. An automatic defoaming casting apparatus according to claim 4, wherein said heating layer is made of stainless steel, and said insulating layer is filled with polyurethane foam.

6. An automated defoaming casting apparatus according to claim 1, wherein said secondary hopper (9) is provided with an observation window (8).

7. An automated defoaming casting apparatus according to claim 1, wherein the straight section and the bent section of the second shaft (29) pass through the secondary hopper cover (7), and the straight section and the bent section are guided by the linear bearing (24) while passing through the secondary hopper cover (7).

8. The automated defoaming casting apparatus according to claim 1, wherein the second ball bar (29) is connected to the main shaft of the second electric cylinder (28) through a diaphragm coupling (26).

9. An automated defoaming casting apparatus according to claim 1, wherein said first elevating ball valve (21) and said second elevating ball valve (37) are made of teflon.

10. An automatic defoaming casting device according to any one of claims 1-9, wherein the contact surface between the primary hopper (6) and the secondary hopper cover (7) and the contact surface between the secondary hopper cover (7) and the secondary hopper (9) are provided with O-ring seals, and the contact surface between the secondary hopper (9) and the vacuum casting box (31) is provided with chevron-ring seals.

Images