CN113319254A - Pouring system for regulating and controlling flow velocity of liquid metal in each pouring section and pouring process thereof - Google Patents
Pouring system for regulating and controlling flow velocity of liquid metal in each pouring section and pouring process thereof Download PDFInfo
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- CN113319254A CN113319254A CN202110492664.4A CN202110492664A CN113319254A CN 113319254 A CN113319254 A CN 113319254A CN 202110492664 A CN202110492664 A CN 202110492664A CN 113319254 A CN113319254 A CN 113319254A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/082—Sprues, pouring cups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/20—Stack moulds, i.e. arrangement of multiple moulds or flasks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D37/00—Controlling or regulating the pouring of molten metal from a casting melt-holding vessel
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- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a pouring system for regulating and controlling the flow velocity of liquid metal at each pouring section and a pouring process thereof, and relates to the technical field of casting, wherein the pouring system comprises a sand mould transport vehicle, a cross runner system, a vertical runner and a bottom pouring ladle, the sand mould transport vehicle is provided with the cross runner system through a cross runner system supporting plate, the cross runner system is communicated with the vertical runner, and the bottom pouring ladle is arranged above the vertical runner; a plurality of speed adjusting devices are arranged in the cross gate system. The pouring system can realize the high-efficiency pouring of a plurality of groups and layers of combined sand molds by designing a set of cross gate system which is arranged along the longitudinal direction, and the speed regulating device is arranged in the cross gate system, so that the speed of the poured liquid metal can be reasonably controlled, and the liquid metal can be pressed into each cavity within the specified time.
Description
Technical Field
The invention relates to the technical field of casting, in particular to a pouring system for regulating and controlling the flow velocity of liquid metal in each pouring section and a pouring process thereof.
Background
In the existing pouring process, how to control and adjust the flow rate of liquid metal is a difficult problem, and the existing pouring process comprises negative pressure pouring, gravity pouring, liquid metal ladle pouring and the like, but the pouring speed of the liquid metal cannot be completely controlled to ensure the quality of a casting, because the pouring system does not have a stable pressure source. The invention discloses an authorized bulletin No. CN108097938B, which discloses a liquid metal pouring process for increasing the flow rate of liquid metal and reducing the pouring time, and can solve the problem of stable pressure source, the pressure source problem in the pouring system is solved by a totally closed mode of a bottom pouring ladle and a sand mold through a totally closed pressurizing and speed-increasing pouring mode by utilizing the pressure generated by the height difference of the pouring ladle and the sand mold, the pressure source problem is stable and continuous, however, the pouring process cannot control the pouring speed of liquid metal pouring each pouring section and cavity in the actual casting and pouring production process, the cavity is damaged and deformed due to too high pouring speed, and the yield of castings is affected after liquid metal with unqualified temperature enters each cavity due to too low pouring speed.
Disclosure of Invention
Therefore, the invention provides a pouring system for regulating and controlling the flow velocity of liquid metal in each pouring section and a pouring process thereof, which aim to solve the problem that the pouring speed of the liquid metal cannot be controlled in the actual casting production pouring process of the existing pouring process, and the casting yield and the casting cost are influenced because the pouring speed is too high and too low.
In order to achieve the above purpose, the invention provides the following technical scheme:
according to the first aspect of the invention, the pouring system for regulating and controlling the flow rate of liquid metal at each pouring section comprises a sand mold transport vehicle, a cross gate system, a vertical gate and a bottom pouring type pouring ladle, wherein the cross gate system is installed on the sand mold transport vehicle through a cross gate system supporting plate and is communicated with the vertical gate, and the bottom pouring type pouring ladle is installed above the vertical gate; and a plurality of speed adjusting devices are arranged in the cross gate system.
Furthermore, a pouring cup is arranged above the vertical pouring gate, and the lower part of the vertical pouring gate is communicated with the cross pouring gate system through a pouring gate elbow.
Furthermore, a runner connecting groove plate is connected to the side of the cross runner system supporting plate, and the cross runner system penetrates through the runner connecting groove plate and is communicated with the vertical runner; a plurality of supporting plate air inlet holes are formed in the supporting plate of the cross gate system; and a coaming capable of fixedly wrapping the combined sand mold is arranged around the cross gate system supporting plate, and a plurality of coaming air inlets are formed in the coaming.
Furthermore, the gating system further comprises a combined sand mold fixing device, the combined sand mold fixing device comprises an upper cover plate and fastening pull rods, and the two sides of the upper cover plate are respectively hinged with a plurality of the fastening pull rods.
Furthermore, a sprue cup fixing frame is arranged on one side of the upper cover plate; the upper cover plate is provided with an observation port and a plurality of exhaust holes; one end of the fastening pull rod, which is far away from the upper cover plate, is provided with a hook; and a hanging rod matched with the hook for use is arranged on the sand mold transport vehicle.
Further, an air inlet of the sand mold transport vehicle is arranged on the sand mold transport vehicle; the upper surface of the air inlet of the transport vehicle is communicated with the air inlet of the supporting plate, and the lower surface of the air inlet of the transport vehicle is communicated with the outside of the sand mold transport vehicle; a limiting groove is formed in the sand mould transport vehicle; and the bottom of the cross gate system supporting plate is provided with a limiting bulge matched with the limiting groove for use.
Furthermore, the bottom of the cross runner system supporting plate is provided with a # type reinforcing rib.
Further, the cross-runner system comprises a cross-runner trunk line and a plurality of cross-runner branch lines, wherein the cross-runner trunk line is communicated with the cross-runner branch lines; a runner inlet is formed in the main line of the cross runner, a plurality of ingates are formed in each branch line of the cross runner, and a runner outlet which is vertically and upwardly opened is formed in each ingate; a first speed regulating device is arranged in the cross gate system close to the gate inlet, and a second speed regulating device is arranged in the cross gate system close to the gate outlet.
Further, a strong magnet fixing block for fixing the cross gate system and a common magnet cushion block for supporting the combined sand mold are further arranged on the cross gate system supporting plate; the strong magnet fixing blocks are arranged on two sides of the main line of the cross gate, the branch lines of the cross gate and the tail ends of all gates of the main line of the cross gate, so that the cross gate cannot be damaged by the over-high flow rate of liquid metal.
According to a second aspect of the invention, a pouring process for regulating and controlling the flow rate of liquid metal in each pouring section adopts the pouring system;
the pouring process comprises the following steps: filling a bottom pouring ladle with liquid metal, adjusting the height of the bottom pouring ladle to enable a water outlet below the bottom pouring ladle to be connected with a pouring cup on the upper part of the vertical pouring channel in a sealing manner, performing totally-closed pressure acceleration pouring on the combined sand mold by utilizing pressure generated by the height difference between the bottom pouring ladle and a cavity in the combined sand mold, opening a valve of the bottom pouring ladle, guiding the liquid metal in the bottom pouring ladle into the horizontal pouring channel system through the vertical pouring channel, controlling the pouring speed of the liquid metal through the speed adjusting device, rapidly, uniformly and punctually pressurizing the liquid metal to enter each casting cavity in the combined sand mold, and closing the valve of the bottom pouring ladle and lifting the bottom pouring ladle after the liquid metal appears on an observation port of an upper cover plate;
the liquid metal flowing through the horizontal runner system enters casting cavities of all sand moulds which are vertically stacked through ingates of the horizontal runner system, and the whole casting process is carried out simultaneously and synchronously from bottom to top in one step.
The invention has the following advantages:
according to the pouring system for regulating and controlling the flow velocity of the liquid metal at each pouring section, the cross runner system is designed, so that efficient pouring of multiple groups and multiple layers of combined sand molds can be realized, the speed regulating device is arranged in the cross runner system, the speed of the poured liquid metal can be reasonably controlled, the liquid metal can be pressed into each cavity in the shortest time on the premise of ensuring that each cavity in the combined sand mold is intact, and the problems that the qualified liquid metal cannot be completely pressed into each cavity in the combined sand mold in the specified time due to too low speed of the liquid metal and the cavities are damaged due to too fast speed can be effectively avoided; meanwhile, the material of the pouring system is prefabricated by adopting high-temperature-resistant scouring-resistant material, the assembly mode that all joints are sealed by box sealing paste in advance and then are in plug-in butt joint is adopted, the assembly mode comprises a pouring cup, a vertical pouring channel, a horizontal pouring channel main line, a horizontal pouring channel branch line, an internal pouring channel, joints at all parts, a pouring channel elbow and the like, and a horizontal and longitudinal line scale is drawn on the upper surface of a horizontal pouring channel system supporting plate, so that the installation, stacking and fixing of the horizontal pouring channel system are facilitated; then, the system is adjusted, spliced, combined, installed and fixed according to the actual condition of the sand mold pouring gate, and the pouring system is suitable for pouring multiple groups of vertical series casting cavities in one-way pouring and is also suitable for multi-way simultaneous pouring of single large castings.
The pouring process for regulating and controlling the flow rate of the liquid metal in each pouring section is simple to operate, easy to control and suitable for wide popularization.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope of the present invention.
FIG. 1 is a schematic structural diagram of a pouring system for regulating and controlling the flow rate of liquid metal at each pouring zone according to embodiment 1 of the present invention;
FIG. 2 is a perspective view of a combination of a runner system and a fixing device according to embodiment 1 of the present invention;
fig. 3 is a schematic structural view of a cross runner system pallet and a combined sand mold fixing device provided in embodiment 1 of the present invention;
FIG. 4 is a top view of the installation of the runner system and fixture provided in example 1 of the present invention;
fig. 5 is a schematic perspective view of a sand mold carrier vehicle according to embodiment 1 of the present invention;
fig. 6 is a schematic perspective view of a cross runner system pallet provided in embodiment 1 of the present invention;
fig. 7 is a schematic view of a structure of a liquid metal in a runner of a gating system according to embodiment 1 of the present invention.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The pouring system for regulating and controlling the flow rate of liquid metal at each pouring section as shown in fig. 1-7 comprises a sand mold transport vehicle 1, a cross runner system 2, a vertical runner 4 and a bottom pouring ladle 5, wherein the cross runner system 2 is installed on the sand mold transport vehicle 1 through a cross runner system supporting plate 6, the cross runner system 2 is communicated with the vertical runner 4, and the bottom pouring ladle 5 is installed above the vertical runner 4; and a speed regulating device is arranged in the cross gate system 2.
The pouring system can realize the high-efficiency pouring of a plurality of groups and layers of combined sand molds by designing a set of cross gate system, and the speed regulating device is arranged in the cross gate system, so that the speed of the poured liquid metal can be reasonably controlled, the liquid metal can be pressed into each cavity of the combined sand mold 28 within the specified time, and the problem that the liquid metal with qualified temperature can not be completely pressed into each cavity of the combined sand mold within the specified time because the speed of the liquid metal is too low, and the cavity can be damaged by too fast punching can be effectively avoided. Wherein, the horizontal runner system is made of high-temperature and scouring resistant materials and is arranged outside the combined sand mold.
A pouring cup 410 is arranged above the vertical pouring gate 4, and the lower part of the vertical pouring gate is communicated with the cross pouring gate system 2 through a pouring gate elbow 9. Liquid metal from the bottom pouring ladle 5 enters the vertical pouring channel 4 through the vertical pouring channel 4 and enters the horizontal pouring channel system 2 through the pouring channel elbow 9, and effective pouring of each casting cavity unit in the combined sand mold is completed through the horizontal pouring channel system 2. The size of the vertical runner 4 is specifically determined according to the actual casting amount, the casting height, and the like.
A runner connecting groove plate 10 is connected to the side of the cross runner system supporting plate 6; the cross runner system 2 is communicated with the vertical runner 4 through the runner connecting groove plate 10. The runner connecting groove plate 10 is a groove plate with a groove, plays a certain stabilizing and guiding role for a horizontal runner system, and enables the horizontal runner system to be accurately and stably connected and installed with a vertical runner.
A plurality of supporting plate air inlet holes 60 are formed in the supporting plate 6 of the cross gate system; and a coaming 3 capable of fixedly wrapping the combined sand mold is arranged around the cross gate system supporting plate 6, and a plurality of coaming air inlets 27 are formed in the coaming 3. The air permeability during the casting process can be ensured through the supporting plate air inlet holes 60 and the enclosing plate air inlet holes 27.
The pouring system further comprises a combined sand mold fixing device, the combined sand mold fixing device comprises an upper cover plate 12 and fastening pull rods 13, a pouring cup fixing frame 8 is arranged on one side of the upper cover plate 12, the pouring cup fixing frame 8 and an upper pouring channel connecting trough plate of a cross pouring channel system supporting plate are matched for use at the same time, and a plurality of fastening pull rods 13 are hinged to two sides of the upper cover plate 12 respectively; a hook 14 is arranged at one end of the fastening pull rod 13, which is far away from the upper cover plate 12; a hanging rod 15 matched with the hook 14 for use is arranged on the sand mold transport vehicle 1; the upper cover plate 12 is provided with a viewing port 120 and a plurality of exhaust holes 121. Through combination sand mould fixing device, can play the stabilizing action to the combination sand mould in the pouring process, prevent the emergence of wrong case, expansion box. The reserved observation port 120 timely observes the liquid filling degree, and the bottom pouring type casting ladle valve is timely closed when the filling type is full. The vent holes 121 are designed to ensure air permeability during the casting process.
The sand mold transport vehicle 1 is provided with a transport vehicle air inlet 18; the upper surface of the air inlet hole 18 is communicated with the supporting plate air inlet hole 60, and the lower surface is communicated with the outside of the sand mold transport vehicle 1; a limiting groove 16 is arranged on the sand mould transport vehicle 1; and the bottom of the cross gate system supporting plate 6 is provided with a limiting bulge 17 matched with the limiting groove 16 for use. The cross runner system supporting plate 6 can be stably arranged on the sand mould transport vehicle 1 through the matching use of the limiting groove 16 and the limiting bulge 17; and surrounding plates capable of wrapping the combined sand mold are arranged around the cross gate system supporting plate and used for wrapping the combined sand mold adjacent to the cross gate system supporting plate.
The bottom of the cross runner system supporting plate 6 is provided with a # type reinforcing rib 7. The air inlet holes 60 of the supporting plate and the # type reinforcing ribs 7 can ensure the air permeability in the casting process. "the runner system 2 includes one runner trunk line 231 and a plurality of runner branch lines 232, the runner trunk line 231 communicates with the runner branch lines 232; a runner inlet 2310 is arranged on the cross runner trunk line 231, a plurality of ingates 29 are arranged on each cross runner branch line 232, and a runner outlet 2320 which is vertically opened upwards is arranged on each ingate 29; a first speed regulating device 19 is arranged in the cross gate system 2 close to the gate inlet 2310, and a second speed regulating device 24 is arranged in the cross gate system 2 close to the gate outlet 2320. The liquid metal from the vertical pouring gate 4 enters the cross gate system through the cross gate trunk line 231 and then completes simultaneous pouring of a plurality of rows and a plurality of rows of combined sand molds through the cross gate branch lines 232, and the flowing speed of the liquid metal when entering the cross gate system and pouring the sand molds can be well controlled through the design of the first speed regulating device 19 and the second speed regulating device 24, so that the damage of too large impact force of the liquid metal to cavities in the sand molds is prevented.
The horizontal runner system supporting plate 6 is also provided with a strong magnet fixing block 25 for fixing the horizontal runner system 2 and a common magnet cushion block 26 for supporting the combined sand mold; the cross gate system can be stably installed on the cross gate system supporting plate 6 more stably through the strong magnet fixing block 25, and then the pouring safety is guaranteed. The strong magnet fixing blocks 25 are arranged on the two sides and the tail ends of the main runner line and the branch runner lines 232; the cross runner system supporting plate is made of metal materials, the cross runner system and the cross runner system supporting plate can be more stably installed together under the action of the magnets, the fixing device for fixing the cross runner system is not limited to the strong magnet fixing block, the installation of the cross runner system and the cross runner system supporting plate can be stably realized as long as the installation of the cross runner system and the cross runner system supporting plate can be stably realized, and the installation of the cross runner system and the cross runner system supporting plate can be completed by adopting a clamping groove-protrusion structure.
Example 2
A pouring process for regulating and controlling the flow rate of liquid metal in each pouring section adopts the pouring system in embodiment 1.
The pouring process comprises the following steps: filling a bottom pouring type pouring ladle 5 with liquid metal, then adjusting the height of the bottom pouring type pouring ladle 5 to enable the bottom pouring type pouring ladle 5 to be in closed connection with a pouring cup at the upper part of the vertical pouring gate 4, carrying out totally-closed pressure acceleration pouring on the combined sand mold by utilizing the pressure generated by the height difference between the bottom pouring type pouring ladle 5 and a cavity in the combined sand mold, opening a valve of the bottom pouring type pouring ladle 5, and leading the liquid metal in the bottom pouring type pouring ladle 5 into the horizontal pouring gate system 2 through the vertical pouring gate 4;
the liquid metal entering the vertical pouring gate 4 enters the horizontal pouring gate system 2 through the pouring gate elbow 9, and the liquid metal entering the horizontal pouring gate system 2 enters casting cavities of all sand molds which are vertically stacked through the horizontal pouring gate trunk line 231, the horizontal pouring gate branch line 232 and the inner pouring gate 29 of the horizontal pouring gate system 2 and then through the pouring gate outlet 2320, so that the uniform and effective pouring of the combined sand molds is completed. Thus, the multi-row combined sand mold is integrally and simultaneously and effectively poured from bottom to top in one step; in the pouring process, the pouring speed of the liquid metal is controlled through the first speed regulating device 19 and the second speed regulating device 24, the liquid metal is rapidly, uniformly and punctually pressed into each casting cavity in the combined sand mold, and after the liquid metal appears on the observation port of the upper cover plate, the bottom pouring type pouring ladle valve is closed and the bottom pouring type pouring ladle is lifted.
The height difference between the bottom pouring type pouring ladle and the combined sand mold in the pouring process can be adjusted through the pressure generated by totally closing, and the height of the bottom pouring type pouring ladle is adjusted to increase or decrease the pouring pressure of molten iron, so that the aim of increasing or decreasing the flow speed of the molten iron is fulfilled. The flow speed of molten iron between a main line of a transverse pouring channel and a branch line of the transverse pouring channel in the transverse pouring channel system and an ingate is controlled by the speed regulating device arranged in the transverse pouring channel system, the purpose of controlling the flow speed of liquid metal is achieved by changing the sectional area of the ingate on the basis of the sectional area of an original pouring channel through calculation and design of professionals, namely the speed regulating device, the speed regulating device at the outlet of the ingate controls the flow speed of the molten iron after the molten iron enters a cavity, and the molten iron is enabled to be uniform and rapid, and the size of the speed regulating device is set to regulate and control the flow speed of the molten iron under the condition that the inner wall of each casting cavity is not damaged. The pouring process is suitable for pouring multiple groups of vertical series casting cavities in one single way and is also suitable for multi-way simultaneous pouring of single large castings.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. The pouring system for regulating and controlling the flow rate of liquid metal at each pouring section is characterized by comprising a sand mold transport vehicle, a cross gate system, a vertical gate and a bottom pouring type pouring ladle, wherein the cross gate system is installed on the sand mold transport vehicle through a cross gate system supporting plate and is communicated with the vertical gate, and the bottom pouring type pouring ladle is installed above the vertical gate; and a plurality of speed adjusting devices are arranged in the cross gate system.
2. The gating system of claim 1, wherein the vertical runner has a pouring cup disposed above and communicating below with the runner system through a runner elbow.
3. The gating system of claim 1, wherein a runner system channel plate is connected to a side of the runner system carrier, the runner system communicating with the vertical runner through the runner system channel plate; a plurality of supporting plate air inlet holes are formed in the supporting plate of the cross gate system; and a coaming capable of fixedly wrapping the combined sand mold is arranged around the cross gate system supporting plate, and a plurality of coaming air inlets are formed in the coaming.
4. The gating system of claim 2, further comprising a combined sand mold fixing device, wherein the combined sand mold fixing device comprises an upper cover plate and fastening pull rods, and a plurality of the fastening pull rods are hinged to two sides of the upper cover plate respectively.
5. The gating system of claim 4, wherein the upper cover plate is provided with a pouring cup holder on one side; the upper cover plate is provided with an observation port and a plurality of exhaust holes; one end of the fastening pull rod, which is far away from the upper cover plate, is provided with a hook; and a hanging rod matched with the hook for use is arranged on the sand mold transport vehicle.
6. The gating system according to claim 3, wherein the sand mold transport vehicle is provided with a transport vehicle air inlet; the upper surface of the air inlet of the transport vehicle is communicated with the air inlet of the supporting plate, and the lower surface of the air inlet of the transport vehicle is communicated with the outside of the sand mold transport vehicle; a limiting groove is formed in the sand mould transport vehicle; and the bottom of the cross gate system supporting plate is provided with a limiting bulge matched with the limiting groove for use.
7. The gating system of claim 2, wherein the bottom of the runner system carrier is provided with a "#" type stiffener.
8. The gating system of claim 1, wherein the runner system includes a runner trunk and a plurality of runner branches, the runner trunk in communication with the runner branches; a runner inlet is formed in the main line of the cross runner, a plurality of ingates are formed in each branch line of the cross runner, and a runner outlet which is vertically and upwardly opened is formed in each ingate; a first speed regulating device is arranged in the cross gate system close to the gate inlet, and a second speed regulating device is arranged in the cross gate system close to the gate outlet.
9. The gating system of claim 8, wherein the runner system supporting plate is further provided with a strong magnet fixing block for fixing the runner system and a common magnet cushion block for supporting the combined sand mold; the strong magnet fixing blocks are arranged on two sides of the main line of the cross gate, the branch lines of the cross gate and the tail ends of all gates of the main line of the cross gate, so that the cross gate cannot be damaged by the over-high flow rate of liquid metal.
10. A casting process for regulating the flow rate of liquid metal in each casting section, wherein the casting process employs a casting system according to any one of claims 1 to 9;
the pouring process comprises the following steps: filling a bottom pouring ladle with liquid metal, adjusting the height of the bottom pouring ladle to enable a water outlet below the bottom pouring ladle to be connected with a pouring cup on the upper part of the vertical pouring channel in a sealing manner, performing totally-closed pressure acceleration pouring on the combined sand mold by utilizing pressure generated by the height difference between the bottom pouring ladle and a cavity in the combined sand mold, opening a valve of the bottom pouring ladle, guiding the liquid metal in the bottom pouring ladle into the horizontal pouring channel system through the vertical pouring channel, controlling the pouring speed of the liquid metal through the speed adjusting device, rapidly, uniformly and punctually pressurizing the liquid metal to enter each casting cavity in the combined sand mold, and closing the valve of the bottom pouring ladle and lifting the bottom pouring ladle after the liquid metal appears on an observation port of an upper cover plate;
the liquid metal flowing through the horizontal runner system enters casting cavities of all sand moulds which are vertically stacked through ingates of the horizontal runner system, and the whole casting process is carried out simultaneously and synchronously from bottom to top in one step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110492664.4A CN113319254A (en) | 2021-05-06 | 2021-05-06 | Pouring system for regulating and controlling flow velocity of liquid metal in each pouring section and pouring process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110492664.4A CN113319254A (en) | 2021-05-06 | 2021-05-06 | Pouring system for regulating and controlling flow velocity of liquid metal in each pouring section and pouring process thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115026242A (en) * | 2022-07-25 | 2022-09-09 | 北京鼎匠科技发展有限公司 | One-step casting formed Longwang steel section and casting system and casting process thereof |
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Application publication date: 20210831 |