CN109733755B - Liquid metal conveying tank - Google Patents
Liquid metal conveying tank Download PDFInfo
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- CN109733755B CN109733755B CN201811548948.5A CN201811548948A CN109733755B CN 109733755 B CN109733755 B CN 109733755B CN 201811548948 A CN201811548948 A CN 201811548948A CN 109733755 B CN109733755 B CN 109733755B
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Abstract
The invention belongs to the technical field of liquid metal conveying, and particularly relates to a liquid metal conveying tank which comprises a conveying tank, wherein a pressure pump is arranged at the top of the conveying tank and communicated with the conveying tank through a feed inlet; one end of the top of the conveying tank is communicated with a discharge valve; a piston is arranged in the conveying tank, and the bottom of the piston is connected with an inner bottom plate of the conveying tank through a spring; the outer wall of the conveying tank is provided with a groove which is of an arc spiral structure, three groups of bulges matched with the groove are equidistantly arranged outside the piston, and a plurality of bulges are arranged at equal angles in each group; a heating coil is wound inside the conveying tank, and one end of the heating coil extends to the outside of the discharge valve and is wound outside the discharge valve; and a controller is arranged outside the conveying tank.
Description
Technical Field
The invention belongs to the technical field of liquid metal conveying, and particularly relates to a liquid metal conveying tank.
Background
The liquid metal is an indefinite-form metal, the liquid metal can be regarded as a mixture consisting of positive ion fluid and free electron gas, the liquid metal is also an indefinite-form and flowable liquid metal, the forming process and control of the liquid metal have great influence on the quality of a casting due to the hydraulic characteristics and the flowing condition of the liquid metal filling process, and various defects such as cold shut, insufficient casting, inclusion, air holes, sand inclusion, sand sticking and the like can be caused under the condition that the liquid metal filling is unfavorable. Correctly designing the gating system to make the liquid metal smoothly and reasonably full of the cavity plays an important role in ensuring the quality of castings, and simultaneously, the liquid metal is required to keep the fluidity during the conveying process, so that the conveying requirement on the liquid metal is higher, a special liquid metal conveying tank is needed, when the existing liquid metal conveying tank is used, the phenomenon of cooling and solidification of the liquid metal is easy to occur in the conveying tank, so that more metal clots are remained in the conveying tank, the reuse of the conveying tank is influenced, the self-cleaning function of the liquid metal conveying tank is weaker, and the cleaning effect is poorer.
Disclosure of Invention
In order to make up the defects of the prior art, the invention provides a liquid metal conveying tank. The invention is mainly used for solving the problem that metal solidification blocks are easy to appear in the liquid metal conveying tank.
The technical scheme adopted by the invention for solving the technical problems is as follows: the liquid metal conveying tank comprises a conveying tank, wherein a pressure pump is arranged at the top of the conveying tank and communicated with the conveying tank through a feeding hole; one end of the top of the conveying tank is communicated with a discharge valve; a piston is arranged in the conveying tank, and the bottom of the piston is connected with an inner bottom plate of the conveying tank through a spring; the inner surface wall of the conveying tank is provided with a groove which is of an arc spiral structure, three groups of bulges matched with the groove are equidistantly arranged outside the piston, and a plurality of bulges are arranged at equal angles in each group; a heating coil is wound inside the conveying tank, and one end of the heating coil extends to the outside of the discharge valve and is wound outside the discharge valve; and a controller is arranged outside the conveying tank and used for controlling the work of the pressurizing pump.
When the automatic liquid metal feeding device works, the controller controls the pressurizing pump to work, liquid metal is forcibly pressed into the conveying tank through the feeding hole under the pressure action of the pressurizing pump, the pressurizing pump has a heating function and can prevent the liquid metal from being solidified when entering the pressurizing pump, the liquid metal extrudes the piston downwards after entering the conveying tank so that the piston moves downwards, the piston extrudes the spring downwards, after the liquid metal is conveyed into the conveying tank, the controller controls the pressurizing pump to stop working, the feeding hole is sealed, the heating coil heats the liquid metal in the process, the liquid metal is prevented from being solidified into blocks, the discharging valve is opened, upward acting force is applied to the piston under the elastic action of the spring to push the piston to move upwards so as to extrude the liquid metal to be output to the outside of the discharging valve, and one end of the heating coil extends to the outside of the discharging valve and is wound on the outside of the discharging valve, can heat the bleeder valve, prevent that liquid metal from solidifying when the ejection of compact, cause the jam of bleeder valve, thereby can accomplish whole liquid metal's input and output, play the effect of carrying liquid metal, because the outside of piston is provided with three rings of archs, and protruding and the inside recess that is convex heliciform structure of seting up of transport jar cooperate the use, make the rotatory oscilaltion of piston, stability when not only having strengthened the piston lift, and because the rotation effect of piston self, make liquid metal flow, liquid metal is in transport jar disorder, thereby make liquid metal be heated more evenly, be favorable to preventing liquid metal from solidifying, the arch is scraped the recess inner surface wall in the inside removal of recess simultaneously, prevent that liquid metal from solidifying inside the recess, prevent that liquid metal from solidifying and hindering the normal lift of piston.
The external diameter of spring reduces from both ends to centre in proper order, because the external diameter of spring reduces from both ends to centre gradually, make the area of contact of spring and piston and transport tank inner bottom plate increase, thereby stability when reinforcing spring support piston, thereby stability when reinforcing piston goes up and down, the compression of spring increases simultaneously, the volume of the liquid metal that makes can store in the transport tank increases, and because the area of contact of spring and transport tank inner bottom plate increases, make the heat that carries jar lower intracavity can be more transmit to the transport tank upper chamber, thereby improve the heating capacity of liquid metal, prevent that liquid metal from solidifying.
The cross-section of spring wire establishes to be the rectangle structure that lateral length is greater than longitudinal length, and establishes to 2-3mm for the horizontal distance between upper spring inside wall and the lower floor spring lateral wall, because the cross-section of spring establishes to be the rectangle structure that lateral length is greater than longitudinal length, make the outer area of contact increase of spring, increase its absorptive capacity to heat energy, further strengthen the heat transfer volume of spring, be favorable to preventing liquid metal solidification, the vertical height of spring reduces simultaneously, can further improve the compression capacity of spring, thereby further increase the storage capacity of liquid metal.
The bottom center position of the piston is provided with a mounting groove, a heat conductor is fixedly connected inside the mounting groove, the heat conductor is of a round tube-shaped structure with a closed top, the bottom of the heat conductor is fixedly connected with a fixed rod, and the inner surface wall of the heat conductor is provided with a limiting groove with a circular arc-shaped section; the top end of the spring is fixedly connected to the inner top plate of the heat conductor, the outer portion of the spring is arranged in the limiting groove, the spring is sleeved outside the fixing rod, due to the fact that the heat conductor is arranged, the contact area of the limiting groove and the spring is large, the spring can well transfer heat to the limiting groove, liquid metal above the piston can receive more heat, heating capacity of the liquid metal is increased, the spring is arranged in the limiting groove, stability during installation of the spring can be enhanced, stability during lifting of the piston is enhanced, meanwhile, the spring is fixed in the heat conductor and sleeved outside the fixing rod, the outer portion of the spring is arranged in the limiting groove, the spring forms damping, connection strength of the spring can be enhanced, and stability during connection of the spring is further enhanced.
The longitudinal spacing of the coils of the heating coil is reduced from bottom to top in sequence, and the stay time of the liquid metal in the upper cavity of the conveying tank is long, so that the longitudinal spacing of the coils of the heating coil is reduced from top to bottom in sequence, the liquid metal in the upper cavity of the conveying tank is heated more, heat loss is prevented, and the effect of saving electric energy is achieved.
The section of the protrusion is of an axel-shaped structure, and when the protrusion scrapes the liquid metal in the groove, the section of the protrusion is of the axel-shaped structure, so that the scraping effect of the protrusion is enhanced, the liquid metal is effectively prevented from being solidified in the groove, and the liquid metal is prevented from blocking the groove.
The bellied bilateral symmetry has been seted up and has been rolled up the groove, and when the liquid metal in the recess was scraped to the arch, liquid metal can pile up in the clearance department of arch and piston, rolls up the groove and can roll out the liquid metal of scraping to prevent that liquid metal from piling up in the clearance department of arch and piston, prevent that liquid metal from solidifying in the two clearance department, influence bellied normal function of scraping.
The invention has the following beneficial effects:
1. According to the invention, the piston and the spring are arranged in the conveying tank, so that the conveying tank can automatically control the amount of liquid metal entering the conveying tank, the protrusion is arranged in the piston, the groove matched with the protrusion is formed in the inner surface wall of the conveying tank, the stability of the liquid metal when the piston is extruded by the liquid metal during movement is enhanced, the protrusion can scrape the liquid metal in the groove, the liquid metal is prevented from being coagulated in the groove, the self-cleaning effect is achieved, and meanwhile, the heating coil is arranged to prevent the metal coagulated block from being generated in the conveying tank, so that the reuse of the conveying tank is ensured.
drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1A of the present invention;
FIG. 3 is a partial cross-sectional view of a spring according to the present invention;
FIG. 4 is a schematic view of the structure of the projection of the present invention;
In the figure: the device comprises a pressure pump 1, a conveying tank 2, a piston 3, a feeding port 4, a discharge valve 5, a heating coil 6, a heat conductor 7, a spring 8, a mounting groove 9, a fixing rod 10, a limiting groove 11, a protrusion 12, a groove 13 and a rolling groove 14.
Detailed Description
a liquid metal transport tank according to an embodiment of the present invention will be described below with reference to fig. 1 to 4.
As shown in fig. 1-2, the liquid metal conveying tank of the present invention comprises a conveying tank 2, wherein a pressure pump 1 is arranged at the top of the conveying tank 2, and the pressure pump 1 is communicated with the conveying tank 2 through a feed inlet 4; one end of the top of the conveying tank 2 is communicated with a discharge valve 5; a piston 3 is arranged in the conveying tank 2, and the bottom of the piston 3 is connected with the inner bottom plate of the conveying tank 2 through a spring 8; the inner surface wall of the conveying tank 2 is provided with a groove 13, the groove 13 is of an arc spiral structure, three groups of bulges 12 matched with the groove 13 are equidistantly arranged outside the piston 3, and a plurality of bulges 12 are arranged at equal angles; a heating coil 6 is wound inside the conveying tank 2, and one end of the heating coil 6 extends to the outside of the discharge valve 5 and is wound outside the discharge valve 5; and a controller is arranged outside the conveying tank 2 and is used for controlling the operation of the pressure pump 1.
When the device works, the controller controls the pressure pump 1 to work, liquid metal is forcibly pressed into the conveying tank 2 through the feeding hole 4 under the pressure action of the pressure pump 1, the pressure pump 1 has a heating function and can prevent the liquid metal from being solidified when entering the pressure pump 1, the liquid metal extrudes the piston 3 downwards after entering the conveying tank 2 so that the piston 3 moves downwards and extrudes the spring 8 downwards, after the liquid metal is conveyed into the conveying tank 2, the controller controls the pressure pump 1 to stop working and seals the feeding hole 4, the heating coil 6 heats the liquid metal in the process so as to prevent the liquid metal from being solidified into blocks, the discharge valve 5 is opened, upward acting force is exerted on the piston 3 under the elastic action of the spring 8 to push the piston 3 to move upwards so as to extrude the liquid metal to be output to the outside of the discharge valve 5, and one end of the heating coil 6 extends to the outside of the discharge valve 5 and is wound outside the discharge valve 5, the discharge valve 5 can be heated to prevent the liquid metal from solidifying to block the discharge valve 5 during discharging, thereby completing the input and output of the whole liquid metal, playing the role of conveying the liquid metal, because the three circles of bulges 12 are arranged outside the piston 3 and the bulges 12 are matched with the groove 13 which is arranged in the conveying tank 2 and is in a circular arc spiral structure for use, the piston 3 rotates to lift up and down, the stability of the piston 3 during lifting is enhanced, and the liquid metal flows due to the rotation of the piston 3, the liquid metal is disturbed in the conveying tank 2, thereby make liquid metal be heated more evenly, be favorable to preventing that liquid metal from solidifying, protruding 12 scrapes the interior table wall of recess 13 when recess 13 is inside to be removed simultaneously, prevents that liquid metal from solidifying in recess 13 is inside, prevents that liquid metal from solidifying and hindering the normal lift of piston 3.
As shown in fig. 1, the outer diameter of the spring 8 is sequentially reduced from two ends to the middle, because the outer diameter of the spring 8 is gradually reduced from two ends to the middle, the contact area between the spring 8 and the piston 3 and the bottom plate in the conveying tank 2 is increased, the stability when the spring 8 supports the piston 3 is enhanced, the stability when the piston 3 is lifted is enhanced, meanwhile, the compression amount of the spring 8 is increased, the amount of liquid metal which can be stored in the conveying tank 2 is increased, and because the contact area between the spring 8 and the bottom plate in the conveying tank 2 is increased, more heat in the lower cavity of the conveying tank 2 can be transferred to the upper cavity of the conveying tank 2, so that the heating amount of the liquid metal is increased, and the liquid metal is prevented from being solidified.
as shown in fig. 1 and 3, the cross section of the spring wire of the spring 8 is a rectangular structure with the transverse length being greater than the longitudinal length, and the horizontal distance between the inner side wall of the upper spring 8 and the outer side wall of the lower spring 8 is 2-3mm, because the cross section of the spring 8 is a rectangular structure with the transverse length being greater than the longitudinal length, the external contact area of the spring 8 is increased, the absorption amount of the spring to heat energy is increased, the heat transfer amount of the spring 8 is further enhanced, the solidification of the liquid metal is favorably prevented, meanwhile, the vertical height of the spring 8 is reduced, the compression amount of the spring 8 can be further increased, and the storage amount of the liquid metal is further increased.
As shown in fig. 1, a mounting groove 9 is formed in the center of the bottom of the piston 3, a heat conductor 7 is fixedly connected inside the mounting groove 9, the heat conductor 7 is of a round tube structure with a closed top, a fixing rod 10 is fixedly connected to the bottom of the heat conductor 7, and a limiting groove 11 with a circular arc-shaped cross section is formed in the inner surface wall of the heat conductor 7; the top end of the spring 8 is fixedly connected with the inner top plate of the heat conductor 7, the outer part of the spring 8 is arranged in the limiting groove 11, the spring 8 is sleeved outside the fixed rod 10, because the heat conductor 7 is arranged and the contact area between the limiting groove 11 and the spring 8 is large, the spring 8 can well transfer heat to the limiting groove 11, so that the liquid metal above the piston 3 can be heated more, the heating capacity of the liquid metal is increased, and the spring 8 is arranged in the limiting groove 11, the stability of the spring 8 during installation can be enhanced, thereby enhancing the stability of the piston 3 when it is lifted, and at the same time the spring 8 is fixed inside the heat conductor 7, and the spring 8 is sleeved outside the fixed rod 10, the outside of the spring 8 is arranged in the limit groove 11, so that the spring 8 forms damping, the connection strength of the spring 8 can be enhanced, thereby further enhancing the stability when the spring 8 is connected.
As shown in fig. 1, the longitudinal distance between the coils of the heating coil 6 is sequentially reduced from bottom to top, and the liquid metal stays in the upper cavity of the conveying tank 2 for a longer time, so that the longitudinal distance between the coils of the heating coil 6 is sequentially reduced from top to bottom, the liquid metal in the upper cavity of the conveying tank 2 is heated more, heat loss is prevented, and an effect of saving electric energy is achieved.
As shown in fig. 4, the cross section of the protrusion 12 is of an axe-shaped structure, and when the protrusion 12 scrapes the liquid metal in the groove 13, the scraping effect of the protrusion 12 is enhanced due to the axe-shaped structure of the cross section of the protrusion 12, so that the liquid metal is effectively prevented from being solidified in the groove 13, and the liquid metal is prevented from blocking the groove 13.
As shown in fig. 4, the two sides of the protrusion 12 are symmetrically provided with the rolling grooves 14, when the protrusion 12 scrapes the liquid metal in the groove 13, the liquid metal is accumulated in the gap between the protrusion 12 and the piston 3, and the rolling grooves 14 can roll out the scraped liquid metal, so as to prevent the liquid metal from being accumulated in the gap between the protrusion 12 and the piston 3, and prevent the liquid metal from being solidified in the gap between the protrusion 12 and the piston 3, which affects the normal scraping function of the protrusion 12.
The specific working process is as follows:
When the device works, the controller controls the pressure pump 1 to work, liquid metal is forcibly pressed into the conveying tank 2 through the feeding hole 4 under the pressure action of the pressure pump 1, the pressure pump 1 has a heating function and can prevent the liquid metal from being solidified when entering the pressure pump 1, the liquid metal extrudes the piston 3 downwards after entering the conveying tank 2 so that the piston 3 moves downwards and extrudes the spring 8 downwards, after the liquid metal is conveyed into the conveying tank 2, the controller controls the pressure pump 1 to stop working and seals the feeding hole 4, the heating coil 6 heats the liquid metal in the process so as to prevent the liquid metal from being solidified into blocks, the discharge valve 5 is opened, upward acting force is exerted on the piston 3 under the elastic action of the spring 8 to push the piston 3 to move upwards so as to extrude the liquid metal to be output to the outside of the discharge valve 5, and one end of the heating coil 6 extends to the outside of the discharge valve 5 and is wound outside the discharge valve 5, the discharge valve 5 can be heated to prevent the liquid metal from solidifying to block the discharge valve 5 during discharging, thereby completing the input and output of the whole liquid metal, playing the role of conveying the liquid metal, because the three circles of bulges 12 are arranged outside the piston 3 and the bulges 12 are matched with the groove 13 which is arranged in the conveying tank 2 and is in a circular arc spiral structure for use, the piston 3 rotates to lift up and down, the stability of the piston 3 during lifting is enhanced, and the liquid metal flows due to the rotation of the piston 3, the liquid metal is disturbed in the conveying tank 2, thereby make liquid metal be heated more evenly, be favorable to preventing that liquid metal from solidifying, protruding 12 scrapes the interior table wall of recess 13 when recess 13 is inside to be removed simultaneously, prevents that liquid metal from solidifying in recess 13 is inside, prevents that liquid metal from solidifying and hindering the normal lift of piston 3.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (4)
1. A liquid metal transfer pot characterized by: the device comprises a conveying tank (2), wherein a pressure pump (1) is arranged at the top of the conveying tank (2), and the pressure pump (1) is communicated with the conveying tank (2) through a feeding hole (4); one end of the top of the conveying tank (2) is communicated with a discharge valve (5); a piston (3) is arranged in the conveying tank (2), and the bottom of the piston (3) is connected with an inner bottom plate of the conveying tank (2) through a spring (8); grooves (13) are formed in the inner surface wall of the conveying tank (2), the grooves (13) are of circular arc spiral structures, three groups of protrusions (12) matched with the grooves (13) are arranged on the outer portion of the piston (3) at equal intervals, and a plurality of protrusions (12) are arranged at equal angles; a heating coil (6) is wound inside the conveying tank (2), and one end of the heating coil (6) extends to the outside of the discharge valve (5) and is wound outside the discharge valve (5); a controller is arranged outside the conveying tank (2) and used for controlling the work of the pressure pump (1);
The outer diameter of the spring (8) is reduced from two ends to the middle in sequence;
The section of the spring wire of the spring (8) is a rectangular structure with the transverse length larger than the longitudinal length, and the horizontal distance between the inner side wall of the upper-layer spring (8) and the outer side wall of the lower-layer spring (8) is set to be 2-3 mm;
The piston is characterized in that a mounting groove (9) is formed in the center of the bottom of the piston (3), a heat conductor (7) is fixedly connected inside the mounting groove (9), the heat conductor (7) is of a round tube-shaped structure with a closed top, a fixing rod (10) is fixedly connected to the bottom of the heat conductor (7), and a limiting groove (11) with a circular arc-shaped cross section is formed in the inner surface wall of the heat conductor (7); the top end of the spring (8) is fixedly connected to the inner top plate of the heat conductor (7), the outer portion of the spring (8) is installed in the limiting groove (11), and the spring (8) is sleeved on the outer portion of the fixing rod (10).
2. a liquid metal transfer pot according to claim 1, wherein: the longitudinal distance of the coils of the heating coil (6) is reduced from bottom to top in sequence.
3. A liquid metal transfer pot according to claim 1, wherein: the cross section of the bulge (12) is of an axe-shaped structure.
4. A liquid metal transfer pot according to claim 1, wherein: and the two sides of the bulge (12) are symmetrically provided with rolling grooves (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811548948.5A CN109733755B (en) | 2018-12-18 | 2018-12-18 | Liquid metal conveying tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811548948.5A CN109733755B (en) | 2018-12-18 | 2018-12-18 | Liquid metal conveying tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109733755A CN109733755A (en) | 2019-05-10 |
| CN109733755B true CN109733755B (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811548948.5A Active CN109733755B (en) | 2018-12-18 | 2018-12-18 | Liquid metal conveying tank |
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| CN (1) | CN109733755B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113772021A (en) * | 2021-09-07 | 2021-12-10 | 江苏海洋大学 | Method capable of adjusting oscillation of liquid tank |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05507048A (en) * | 1989-11-20 | 1993-10-14 | ジエイン ヒユウジイズ ウイリアムス | Spreader with piston assembly for emitter |
| JP4687977B2 (en) * | 2005-12-07 | 2011-05-25 | 株式会社資生堂 | Pouring container with sliding lid |
| CN203127530U (en) * | 2013-01-06 | 2013-08-14 | 长安大学 | Constant-temperature storage device of asphalt for laboratory |
| CN204021566U (en) * | 2014-01-06 | 2014-12-17 | 中国石油大学(华东) | A kind of high viscosity liquid stores and constant volume discharge device |
| CN207015901U (en) * | 2017-06-27 | 2018-02-16 | 百色学院 | A kind of liquid metal transfer cask |
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Effective date of registration: 20191112 Address after: Room 314, dantaihu building (Wuluo science and Technology Park), No.9, Taihu East Road, Wuzhong District, Suzhou City, Jiangsu Province Applicant after: Suzhou lihewen Technology Co.,Ltd. Address before: 200093 School of mechanical engineering, University of Shanghai for Science and Technology, 516 military road, Shanghai, Yangpu District Applicant before: Qin Yifeng |
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Effective date of registration: 20230726 Address after: 529000 Building 3-2, No. 113, Duruan North 3rd Road, Duruan Town, Pengjiang District, Jiangmen, Guangdong Province (information declaration system) Patentee after: Jiangmen Kailin Machinery Equipment Co.,Ltd. Address before: Room 314, Dantaihu Building (Wuluo Science Park), No. 9, the Taihu Lake East Road, Wuzhong District, Suzhou City, Jiangsu Province, 215128 Patentee before: Suzhou lihewen Technology Co.,Ltd. |