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CN110814327A - Speed-controllable gravity pouring device and pouring method - Google Patents

Speed-controllable gravity pouring device and pouring method Download PDF

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Publication number
CN110814327A
CN110814327A CN201911169342.5A CN201911169342A CN110814327A CN 110814327 A CN110814327 A CN 110814327A CN 201911169342 A CN201911169342 A CN 201911169342A CN 110814327 A CN110814327 A CN 110814327A
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CN
China
Prior art keywords
opening
storage container
speed
liquid storage
pouring
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Pending
Application number
CN201911169342.5A
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Chinese (zh)
Inventor
曲家龙
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Wuxi Lihu Corp Ltd
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Wuxi Lihu Corp Ltd
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Priority to CN201911169342.5A priority Critical patent/CN110814327A/en
Publication of CN110814327A publication Critical patent/CN110814327A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D37/00Controlling or regulating the pouring of molten metal from a casting melt-holding vessel

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)

Abstract

The embodiment of the invention provides a speed-controllable gravity pouring device and a pouring method, wherein the device comprises: the liquid storage container is used for storing pouring liquid; wherein, a first opening with a first preset shape is arranged on the side wall; the baffle is provided with a clamping groove and a second opening and is connected with the container through the clamping groove; the lifting device is connected with the liquid storage container, controls the liquid storage container to ascend at a first speed along the clamping groove, enables the pouring liquid to flow into the preset mold at a second speed through the area of the first opening, which is overlapped with the second opening, and further forms a pouring device in the preset mold at a third speed; this scheme, the speed that accessible elevating gear control stock solution container goes up and down to the speed that control casting liquid flowed into preset mould is the second speed, and then makes the third speed that forms the pouring device controllable, through this device, can form the pouring device that the smooth stress of surface is even, inside pore-free or sediment hole, has effectively ensured the quality and the yield of pouring device.

Description

Speed-controllable gravity pouring device and pouring method
Technical Field
The invention relates to the technical field of pouring, in particular to a speed-controllable gravity pouring device and a pouring method.
Background
In the existing pouring scheme, the following pouring process is adopted for pouring: firstly, pouring liquid is poured into a pouring cup; and then, pouring liquid is injected into the mold through a pouring channel, and pouring is carried out by utilizing the gravity pouring principle, so that a pouring device is formed in the mold.
In the prior art, the injection rate of directly injecting the casting liquid into the mold through the pouring cup is not controllable, so that bubbles and oxides are easily formed in the pouring process, the surface of a pouring device formed by pouring is rough and not smooth, or the defect of air holes or slag holes in the pouring device is caused, or the stress of each part of the pouring device formed by pouring is uneven, therefore, the quality and the yield of the pouring device formed by pouring can not be ensured by the existing pouring process.
In summary, a technical solution capable of ensuring the yield of forming a cast device is lacking in the prior art.
Disclosure of Invention
The invention provides a controllable gravity pouring device and a pouring method, and aims to solve the technical problem that a technical scheme capable of ensuring the yield of a pouring device is lacked in the prior art.
In a first aspect, a controllable speed gravity casting apparatus is provided according to an embodiment of the present invention, including:
the liquid storage container is used for storing pouring liquid; wherein, a first opening with a first preset shape is arranged on the side wall;
the baffle is provided with a clamping groove and a second opening and is connected with the container through the clamping groove;
the lifting device is connected with the liquid storage container, controls the liquid storage container to ascend at a first speed along the clamping groove, enables the pouring liquid to flow into a preset mold at a second speed through an area, overlapped with the second opening, of the first opening and the second opening, and further forms a device to be poured in the preset mold at a third speed;
the length of the second opening in the vertical direction is not greater than that of the first opening in the vertical direction, the height of the lowest edge of the second opening is not higher than that of the lowest edge of the first opening when the liquid storage container ascends to the highest position, and the height of the lowest edge of the second opening is not lower than that of the highest edge of the first opening when the liquid storage container descends to the lowest position.
In one embodiment, the reservoir is formed by splicing at least two parts.
In one embodiment, further comprising:
and the heat insulation layer is attached to the peripheries of the liquid storage container and the baffle and is used for maintaining the temperature of the pouring liquid above a preset temperature.
In one embodiment, the insulating layer is made of silicic acid material or cotton material.
In one embodiment, the lifting device is a variable speed lifting device or a constant speed lifting device.
In one embodiment, the bottom surface of the reservoir is polygonal or circular in shape.
In one embodiment, the liquid storage container is made of any one of a ferrous material, a steel material or a ceramic material.
In a second aspect, there is provided a casting method applied to the apparatus in any one of the above embodiments, the method including:
determining a third rate at which to form a cast device;
controlling the liquid storage container to ascend at a first speed through an elevating device, so that the pouring liquid in the liquid storage container flows into a preset mold through an overlapping area of a first opening and a second opening and the second opening at a second speed, and a pouring device is formed at a third speed;
the side wall is provided with a first opening in a first preset shape, the baffle is provided with a second opening, the length of the second opening in the vertical direction is not greater than that of the first opening in the vertical direction, the height of the lowest edge of the second opening is not higher than that of the lowest edge of the first opening when the liquid storage container rises to the highest position, and the height of the lowest edge of the second opening is not lower than that of the highest edge of the first opening when the liquid storage container falls to the lowest position.
In one embodiment, the method further comprises:
splitting at least two parts constituting the reservoir;
and cleaning at least one part of the liquid storage container to remove residual pouring liquid in the liquid storage container.
In one embodiment, the cleaning at least one portion of the reservoir to remove residual casting fluid from the reservoir comprises:
taking out the residual casting liquid after the residual casting liquid is solidified;
and if the oxide still exists in the liquid storage container, blowing the residual oxide by using high-pressure compressed air.
The embodiment of the invention provides a speed-controllable gravity casting device and a casting method, which can control the second speed of casting liquid flowing into a preset mold, further control the third speed of forming a casting device in the preset mold, further form the casting device with a smooth surface, have uniform stress of the casting device and no air holes or slag holes inside, and effectively ensure the quality and the yield of the casting device.
Drawings
The accompanying drawings are provided to illustrate the present invention, and it is to be understood that the following description of the specific embodiments is illustrative of some embodiments of the invention and is not to be construed as limiting the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a speed-controllable gravity casting apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of another controllable-speed gravity casting apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic view of a liquid storage container of a controlled-speed gravity casting apparatus according to an embodiment of the present invention, as it ascends to the highest level;
FIG. 4 is a schematic view of a liquid storage container of a controlled-speed gravity casting apparatus according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a speed-controllable gravity casting apparatus provided with an insulating layer according to an embodiment of the present invention;
fig. 6 is a flowchart of a pouring method according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. 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.
The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
The embodiment of the invention provides a speed-controllable gravity pouring device which is applied to a pouring process and can achieve the purpose of controllable pouring speed. Referring to fig. 1, a controllable speed gravity casting apparatus provided by an embodiment of the present invention includes:
a liquid storage container 11 for storing casting liquid; wherein, a first opening 14 with a first preset shape is arranged on the side wall;
the baffle 12 is provided with a clamping groove and a second opening 15 and is connected with the liquid storage container 11 through the clamping groove;
the lifting device 13 is connected with the liquid storage container 11, and controls the liquid storage container to ascend at a first speed along the clamping groove, so that the pouring liquid flows into a preset mold at a second speed through a region where the region of the first opening is overlapped with the second opening and the second opening, and a device to be poured is formed in the preset mold at a third speed;
wherein the height of the lowest edge of the second opening 15 is not higher than the height of the lowest edge of the first opening 14 when the liquid storage container 11 rises to the highest position, and the height of the lowest edge of the second opening 15 is not lower than the height of the highest edge of the first opening 14 when the liquid storage container 11 falls to the lowest position.
The liquid storage container 11 in the embodiment of the invention is of a structure with an opening at the upper end, so that pouring liquid can enter the liquid storage container; meanwhile, a cover plate can be arranged, and the cover plate covers the top of the liquid storage container when a pouring process is not needed, so that dust is prevented from falling; the same as the existing pouring process, the embodiment of the invention also comprises the steps of firstly injecting the pouring liquid into the liquid storage container serving as the buffer container through the mechanical arm and other apparatuses, and then injecting the pouring liquid into the mold through the liquid storage container. It is noted that, as for the specific shape of the bottom surface of the liquid storage container 11, the shape may be a polygon or a circle (see fig. 2), wherein the polygon may be a polygon such as a rectangle, a square, a pentagon, etc., and the shape of the bottom surface of the liquid storage container 11 is not particularly limited, and on the basis of the embodiment of the present invention, it still belongs to the protection scope of the embodiment of the present invention to change only the shape of the bottom surface of the liquid storage container 11.
In the embodiment of the present invention, the sidewall of the liquid storage container 11 is provided with a first opening having a first predetermined shape, and the specific shape of the first predetermined shape may be adaptively changed according to the shape of the bottom surface of the liquid storage container 11, for example, when the bottom surface of the liquid storage container 11 is rectangular or square, the first predetermined shape may be rectangular, and when the bottom surface of the liquid storage container 11 is circular, the first predetermined shape may be a curved shape having a certain curvature, and as a preferred embodiment, the length of the first opening 14 in the vertical direction is not less than the width of the first opening 14 in the horizontal direction.
In the embodiment of the present invention, the baffle plate 12 is provided with the second opening 15, and the length of the second opening 15 in the vertical direction is smaller than the length of the first opening 14 in the vertical direction, so that the liquid outlet speed of the pouring liquid in the liquid storage container 11 can be easily controlled by moving the liquid storage container 11 up and down; besides, a clamping groove is further formed in the baffle plate 12, the liquid storage container 11 is connected with the baffle plate 12 through the clamping groove, as an optional embodiment, the direction of the clamping groove is a vertical direction, and the liquid storage container 11 can move up and down in the clamping groove.
In the embodiment of the present invention, the lifting device 13 is connected to the liquid storage container 11, preferably, the lifting device 13 is connected to the bottom of the liquid storage container 11, so as to control the liquid storage container 11 to ascend at a first rate in the clamping groove, so that the casting liquid in the casting container 11 flows into the preset mold through the area of the first opening 14 overlapping with the second opening 15 and the second opening 15 at a second rate, and further forms a casting device in the preset mold at a third rate; note that, in the case where the third rate is determined, the specific values of the first rate and the second rate may be determined according to the third rate. The specific value can be determined according to the size, weight or volume of the casting device. It is noted that in embodiments of the invention, the first rate is the rate at which the reservoir rises; the second rate is a rate of casting liquid flowing into the second opening; the third rate may be a rate at which the liquid metal rises within a predetermined mold, which is considered herein as a rate at which a cast device is formed. In the casting process, if the rising speed of the casting liquid in the cavity of the preset mold is too high, splashing and turbulence are easily generated; if the rate is too slow, the mold filling time is easily long, the temperature of the molten metal drops quickly, and the defect of insufficient casting is formed. After the third rate is determined, the amount of casting liquid required by the casting device is determined, and then the time required for filling the cavity can be determined; the pouring liquid enters the cavity of the preset mold through the second opening, and the amount of the pouring liquid passing through the second opening in unit time can be determined according to the total amount and time, so that the area of the second opening is determined; the third speed is formed by the height difference formed by the height of the liquid level in the liquid storage container and the height of the liquid level in the preset mold; this difference in height can be controlled by the level of the liquid level formed after the rise of the reservoir.
It is noted that in the embodiment of the invention, the height of the lowest edge of the second opening 15 is not higher than the height of the lowest edge of the first opening when the reservoir is raised to the highest position, as shown in fig. 3, so as to ensure that the pouring liquid in the reservoir 11 is sufficiently discharged when the reservoir 11 is raised to the highest position. Meanwhile, the height of the lowest edge of the second opening 15 is not lower than the height of the highest edge of the first opening 14 when the liquid storage container 11 descends to the lowest position, as shown in fig. 4, so that the pouring process is started after the liquid storage container 11 starts to ascend, the rate of pouring liquid flowing into a preset mold is controllable, the phenomenon that the pouring liquid does not start to ascend and flows into the preset mold to cause uncontrollable pouring rate is avoided, and the yield of pouring devices is effectively guaranteed.
In the embodiment of the present invention, the liquid storage container 11 is formed by splicing at least two parts. Constitute accessible close clearance fit connects between at least two parts of stock solution container 11, consequently, can be according to actual demand, will through close clearance fit junction at least two parts are unpacked apart, wash needs abluent part to make stock solution container 11 repeatedly usable, thereby effectively avoided because of stock solution container 11 can't wash the emergence that leads to the wasting of resources phenomenon that must lead to changing new stock solution container.
In the embodiment of the present invention, referring to fig. 5, the pouring device further includes an insulating layer 16 attached to the liquid storage container 11 and the periphery of the baffle 12, for maintaining the temperature of the pouring liquid above a preset temperature, so that the phenomenon that the temperature of the pouring liquid is reduced due to heat dissipation during the pouring process so as not to meet the requirement can be effectively prevented, and the pouring efficiency and the yield of the formed pouring device are effectively guaranteed. In a preferred embodiment, the material of the heat insulating layer 16 may be silicic acid material or cotton material, wherein the silicate material may be aluminum silicate, and the cotton material may be glass cotton or high temperature resistant heat insulating material such as asbestos.
In the embodiment of the present invention, the lifting device 13 is a variable speed lifting device or a constant speed lifting device, and when the lifting device 13 is required to provide a non-constant first speed for the liquid storage container 11, the variable speed lifting device can be adopted; when the lifting device 13 is required to provide a constant first speed for the liquid storage container 11, a constant speed lifting device can be adopted. As a specific example, the variable speed lifting device may be a spiral variable speed propeller, and the constant speed lifting device may be a hydraulic constant speed propeller.
In the embodiment of the invention, the material of the liquid storage container is any one of iron, steel or ceramic material, and steel is preferably adopted.
According to the speed-controllable gravity pouring device provided by the embodiment of the invention, the lifting speed (first speed) of the liquid storage container can be controlled through the lifting device, so that the second speed of pouring liquid flowing into the preset mold is controlled, and the third speed of forming a pouring device is controllable, so that the pouring device with a smooth surface can be formed, the stress of the pouring device is uniform, no air holes or slag holes exist in the pouring device, and the quality and the yield of the pouring device are effectively guaranteed.
Example 2
Referring to fig. 6, an embodiment of the present invention provides a casting method applied to the apparatus described in the above embodiment, where the method includes:
step S602, determining a third rate for forming a casting device;
step S604, controlling a first speed of the liquid storage container to rise through a lifting device, so that the casting liquid in the liquid storage container flows into a preset mold through an overlapping area of a first opening and a second opening and the second opening at the second speed, and a casting device is formed at the third speed;
the side wall is provided with a first opening in a first preset shape, the baffle is provided with a second opening, the height of the lowest edge of the second opening is not higher than the height of the lowest edge of the liquid storage container when the lifting device controls the liquid storage container to ascend to the highest position, and the height of the lowest edge of the second opening is not lower than the height of the highest edge of the first opening when the liquid storage container descends to the lowest position.
In the embodiment of the invention, the speed of forming the pouring device, namely the third speed, is determined or set firstly, and then the lifting device controls the first speed of lifting the liquid storage container, so that the pouring liquid in the liquid storage container flows into the preset mold through the overlapped area of the first opening and the second opening at the second speed, and the pouring device is formed at the third speed.
In an embodiment of the present invention, the method may further include:
splitting at least two parts constituting the reservoir;
cleaning at least one portion of the reservoir to remove residual casting fluid from the reservoir;
wherein, the liquid storage container comprises at least two parts, and the two adjacent parts are connected in a sealing way.
In the embodiment of the invention, the liquid storage container is composed of at least two parts, wherein the two adjacent parts are connected in a sealing manner, so that when the liquid storage container needs to be cleaned, the liquid storage container can be detached, and then the interior of the liquid storage container is cleaned, so that the cleaned liquid storage container can be used in a pouring process again, and the phenomenon of resource waste caused by the fact that the liquid storage container can be used only once is avoided.
Further, in an embodiment of the present invention, the cleaning at least one portion of the reservoir to remove residual casting liquid in the reservoir may include:
firstly, taking out the residual casting liquid after the residual casting liquid is solidified; in this case, the remaining casting liquid after solidification can be directly taken out by tweezers.
Then, blowing the residual oxide by adopting high-pressure compressed air; because some flaky or fine casting liquid oxides are generated in the casting process, after the small oxides are separated from the liquid storage container, the small oxides cannot be directly taken out by using tweezers due to small volume, and the residual oxides can be removed by using a high-pressure compressed air blowing method.
According to the pouring method provided by the embodiment of the invention, after the third speed for forming the pouring device is determined, the lifting device can be used for controlling the ascending (or descending) speed of the liquid storage container to be the first speed, so that the pouring liquid in the liquid storage container flows into the preset mold at the second speed, the second speed for the pouring liquid to flow into the preset mold can be controlled, the third speed for forming the pouring device can be controlled, and the pouring liquid can flow into the preset mold at a constant speed, so that the surface of the pouring device formed by pouring is smooth, the internal texture is uniform, and no air bubbles or slag holes exist, and the quality and the yield of the pouring device are effectively ensured.
It is noted that, in the embodiment of the present invention, the contents described in the embodiment of the apparatus (embodiment 1) are also applicable to the embodiment, and meanwhile, the contents described in the embodiment are also applicable to the embodiment of the apparatus corresponding to the method (embodiment 1), which is not repeated herein to avoid repetition of a large amount.
It should be noted that, in the embodiments of the present invention, the term "connected" may be a direct connection or an indirect connection. The connection can be through a wire or other connection structures, such as a hose connection. The present solution is not particularly limited.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. A controlled speed gravity casting device, comprising:
the liquid storage container is used for storing pouring liquid; wherein, a first opening with a first preset shape is arranged on the side wall;
the baffle is provided with a clamping groove and a second opening and is connected with the container through the clamping groove;
the lifting device is connected with the liquid storage container, controls the liquid storage container to ascend at a first speed along the clamping groove, enables the pouring liquid to flow into a preset mold at a second speed through an area, overlapped with the second opening, of the first opening and the second opening, and further forms a device to be poured in the preset mold at a third speed;
the length of the second opening in the vertical direction is not greater than that of the first opening in the vertical direction, the height of the lowest edge of the second opening is not higher than that of the lowest edge of the first opening when the liquid storage container ascends to the highest position, and the height of the lowest edge of the second opening is not lower than that of the highest edge of the first opening when the liquid storage container descends to the lowest position.
2. A device according to claim 1, wherein the reservoir is formed from at least two parts which are joined together.
3. The apparatus of claim 1, further comprising:
and the heat insulation layer is attached to the peripheries of the liquid storage container and the baffle and is used for maintaining the temperature of the pouring liquid above a preset temperature.
4. The device of claim 3, wherein the insulating layer is made of silicic acid or cotton.
5. The device of claim 1, wherein the lifting device is a variable speed lifting device or a constant speed lifting device.
6. A device according to any one of claims 1 to 5, wherein the base of the reservoir is polygonal or circular in shape.
7. The apparatus according to any one of claims 1 to 5, wherein the reservoir is made of any one of a ferrous material, a steel material or a ceramic material.
8. A casting method applied to the apparatus according to any one of claims 1 to 7, wherein the method comprises:
determining a third rate at which to form a cast device;
controlling the liquid storage container to ascend at a first speed through an elevating device, so that the pouring liquid in the liquid storage container flows into a preset mold through an overlapping area of a first opening and a second opening and the second opening at a second speed, and a pouring device is formed at a third speed;
the side wall is provided with a first opening in a first preset shape, the baffle is provided with a second opening, the length of the second opening in the vertical direction is not greater than that of the first opening in the vertical direction, the height of the lowest edge of the second opening is not higher than that of the lowest edge of the first opening when the liquid storage container rises to the highest position, and the height of the lowest edge of the second opening is not lower than that of the highest edge of the first opening when the liquid storage container falls to the lowest position.
9. The method of claim 8, further comprising:
splitting at least two parts constituting the reservoir;
and cleaning at least one part of the liquid storage container to remove residual pouring liquid in the liquid storage container.
10. The method of claim 9, wherein the cleaning at least a portion of the reservoir to remove residual casting fluid from the reservoir comprises:
taking out the residual casting liquid after the residual casting liquid is solidified;
and if the oxide still exists in the liquid storage container, blowing the residual oxide by using high-pressure compressed air.
CN201911169342.5A 2019-11-26 2019-11-26 Speed-controllable gravity pouring device and pouring method Pending CN110814327A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911169342.5A CN110814327A (en) 2019-11-26 2019-11-26 Speed-controllable gravity pouring device and pouring method

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Application Number Priority Date Filing Date Title
CN201911169342.5A CN110814327A (en) 2019-11-26 2019-11-26 Speed-controllable gravity pouring device and pouring method

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CN110814327A true CN110814327A (en) 2020-02-21

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4419004A1 (en) * 1994-05-31 1995-12-07 Marx Gmbh & Co Kg Method and appts for pouring metal melt from a container into a casting mould
CN101804451A (en) * 2010-04-22 2010-08-18 新兴铸管股份有限公司 Flow-control casting mechanism for centrifugally cast steel pipe or steel pipe blank
JP2013154375A (en) * 2012-01-30 2013-08-15 Mazda Motor Corp Method for casting cast product
CN104525865A (en) * 2014-11-29 2015-04-22 西安航空动力控制科技有限公司 Gravity rotated casting pouring basin
CN108705071A (en) * 2018-05-28 2018-10-26 宁波中科毕普拉斯新材料科技有限公司 A kind of aluminium alloy pouring procedure automatically controlling flow velocity
CN211516062U (en) * 2019-11-26 2020-09-18 无锡蠡湖增压技术股份有限公司 Speed-controllable gravity pouring device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4419004A1 (en) * 1994-05-31 1995-12-07 Marx Gmbh & Co Kg Method and appts for pouring metal melt from a container into a casting mould
CN101804451A (en) * 2010-04-22 2010-08-18 新兴铸管股份有限公司 Flow-control casting mechanism for centrifugally cast steel pipe or steel pipe blank
JP2013154375A (en) * 2012-01-30 2013-08-15 Mazda Motor Corp Method for casting cast product
CN104525865A (en) * 2014-11-29 2015-04-22 西安航空动力控制科技有限公司 Gravity rotated casting pouring basin
CN108705071A (en) * 2018-05-28 2018-10-26 宁波中科毕普拉斯新材料科技有限公司 A kind of aluminium alloy pouring procedure automatically controlling flow velocity
CN211516062U (en) * 2019-11-26 2020-09-18 无锡蠡湖增压技术股份有限公司 Speed-controllable gravity pouring device

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