CN109465431B - Liquid metal conveying method - Google Patents
Liquid metal conveying method Download PDFInfo
- Publication number
- CN109465431B CN109465431B CN201811553407.1A CN201811553407A CN109465431B CN 109465431 B CN109465431 B CN 109465431B CN 201811553407 A CN201811553407 A CN 201811553407A CN 109465431 B CN109465431 B CN 109465431B
- Authority
- CN
- China
- Prior art keywords
- liquid metal
- conveying tank
- conveying
- tank
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D35/00—Equipment for conveying molten metal into beds or moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D35/00—Equipment for conveying molten metal into beds or moulds
- B22D35/06—Heating or cooling equipment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reciprocating Pumps (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The invention belongs to the technical field of liquid metal cleaning, and particularly relates to a liquid metal conveying method, which comprises the following steps: the liquid metal is introduced into the liquid metal conveying tank under the action of the pressure pump, a cavity is formed in the tank body of the conveying tank, the cavity is vacuumized, and the vacuum is used for playing a role in heat preservation; the bottom of the conveying tank is provided with a pressure pump, the pressure pump is communicated with the bottom of the conveying tank, the pressure pump has a heating function, and the bottom of the conveying tank is provided with a discharge hole; one end of the discharge port is communicated with a flow guide pipe, the other end of the flow guide pipe is contacted with the discharge valve, the flow guide pipe is positioned in the tank body of the conveying tank, and the flow guide pipe is used for conveying the liquid metal in the lower cavity of the conveying tank; the liquid metal in the lower cavity conveyed in the flow guide pipe is discharged through the discharge valve, and the liquid metal in the upper cavity of the conveying tank is also discharged through the discharge valve under the extrusion of the piston, so that the whole liquid metal conveying is completed.
Description
Technical Field
The invention belongs to the technical field of liquid metal cleaning, and particularly relates to a liquid metal conveying method.
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. The pouring system is correctly designed to ensure that the cavity is stably and reasonably filled with the liquid metal, which plays an important role in ensuring the quality of castings, and meanwhile, the liquidity of the liquid metal is kept in the conveying process of the liquid metal, so that the conveying requirement on the liquid metal is higher, a special liquid metal conveying tank is needed, and the liquid metal is easy to condense on the inner bottom plate of the conveying tank in the conveying process of the conventional liquid metal conveying tank, so that the next conveying of the conveying tank is influenced.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides a liquid metal conveying method. The invention is mainly used for improving the self-cleaning effect of the liquid metal conveying tank.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a liquid metal conveying method, which comprises the following steps:
s1: the liquid metal is introduced into the liquid metal conveying tank under the action of the pressure pump, a cavity is formed in the tank body of the conveying tank, the cavity is vacuumized, and the vacuum is used for playing a role in heat preservation; the vacuum cavity is formed in the tank body of the conveying tank, so that the liquid metal in the conveying tank can be insulated, heat loss is prevented, the liquid metal is prevented from being condensed into blocks, and the storage of the liquid metal in the conveying tank is facilitated;
s2: a pressure pump is arranged at the bottom of the conveying tank in the S1, the pressure pump is communicated with the bottom of the conveying tank, the pressure pump has a heating function, and a discharge hole is formed in the bottom of the conveying tank; the liquid metal led into the conveying tank downwards extrudes the piston, so that the piston moves downwards, in the process, a small amount of liquid metal flows into the lower cavity of the conveying tank through the groove, the pressure pump is controlled to work at the moment, the pressure pump has a heating function, hot air pressure is applied to the interior of the conveying tank, the piston can be pushed upwards, the liquid metal can be discharged conveniently, the liquid metal attached to the spring is heated, the liquid metal is prevented from being solidified on the spring, meanwhile, the hot air pressure generated by the pressure pump extrudes the small amount of liquid metal remained in the lower cavity of the conveying tank to a discharge hole to be discharged, the self-cleaning effect is achieved, the liquid metal in the lower cavity of the conveying tank is prevented from being solidified on the inner bottom plate of the conveying tank, and the next conveying of the conveying tank is guaranteed;
s3: s2, one end of the discharge hole is communicated with a flow guide pipe, the other end of the flow guide pipe is contacted with the discharge valve, the flow guide pipe is positioned in the tank body of the conveying tank, and the flow guide pipe is used for conveying liquid metal in the lower cavity of the conveying tank; the pressure pump generates hot air pressure to convey the liquid metal in the lower cavity of the conveying tank to the discharge port, the discharge port is communicated with the discharge valve through the guide pipe, and the liquid metal can be conveyed to the discharge valve through the guide pipe, so that the liquid metal remaining in the lower cavity is fused with the liquid metal in the upper cavity, the situation of wasting the liquid metal is avoided, meanwhile, the guide pipe is positioned in the tank body of the conveying tank, the heating coil can heat the guide pipe at the same time, the liquid metal is prevented from being solidified in the guide pipe, and the smoothness of the guide pipe is ensured;
s4: s3, discharging the liquid metal in the lower cavity of the conveying tank conveyed in the flow guide pipe through a discharge valve, and simultaneously discharging the liquid metal in the upper cavity of the conveying tank through the discharge valve under the extrusion of a piston to finish the whole conveying of the liquid metal;
the liquid metal conveying tank adopted in the S1 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 liquid metal conveying method, the pressure pump capable of self-heating is arranged at the bottom of the conveying tank, hot air pressure is conveyed to the lower cavity of the conveying tank, the piston can be pushed to move upwards, output of liquid metal in the upper cavity of the conveying tank is facilitated, meanwhile, residual liquid metal in the lower cavity of the conveying tank can be extruded to the discharge port and conveyed to the discharge valve through the guide pipe, so that the residual liquid metal in the lower cavity of the conveying tank is fused with the liquid metal in the upper cavity of the conveying tank, the liquid metal is prevented from being condensed on the inner bottom plate of the conveying tank, a self-cleaning effect is achieved, and next conveying of the conveying tank is facilitated.
Drawings
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a front view of the liquid metal transfer pot of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 according to the present invention;
FIG. 4 is a partial cross-sectional view of a spring according to the present invention;
FIG. 5 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 method for transporting a liquid metal according to an embodiment of the present invention will be described below with reference to fig. 1 to 5.
As shown in fig. 1 to 3, the method for conveying liquid metal according to the present invention comprises the following steps:
s1: the liquid metal is introduced into the liquid metal conveying tank under the action of the pressure pump, a cavity is formed in the tank body of the conveying tank, the cavity is vacuumized, and the vacuum is used for playing a role in heat preservation; the vacuum cavity is formed in the tank body of the conveying tank, so that the liquid metal in the conveying tank can be insulated, heat loss is prevented, the liquid metal is prevented from being condensed into blocks, and the storage of the liquid metal in the conveying tank is facilitated;
s2: a pressure pump is arranged at the bottom of the conveying tank in the S1, the pressure pump is communicated with the bottom of the conveying tank, the pressure pump has a heating function, and a discharge hole is formed in the bottom of the conveying tank; the liquid metal led into the conveying tank downwards extrudes the piston, so that the piston moves downwards, in the process, a small amount of liquid metal flows into the lower cavity of the conveying tank through the groove, the pressure pump is controlled to work at the moment, the pressure pump has a heating function, hot air pressure is applied to the interior of the conveying tank, the piston can be pushed upwards, the liquid metal can be discharged conveniently, the liquid metal attached to the spring is heated, the liquid metal is prevented from being solidified on the spring, meanwhile, the hot air pressure generated by the pressure pump extrudes the small amount of liquid metal remained in the lower cavity of the conveying tank to a discharge hole to be discharged, the self-cleaning effect is achieved, the liquid metal in the lower cavity of the conveying tank is prevented from being solidified on the inner bottom plate of the conveying tank, and the next conveying of the conveying tank is guaranteed;
s3: s2, one end of the discharge hole is communicated with a flow guide pipe, the other end of the flow guide pipe is contacted with the discharge valve, the flow guide pipe is positioned in the tank body of the conveying tank, and the flow guide pipe is used for conveying liquid metal in the lower cavity of the conveying tank; the pressure pump generates hot air pressure to convey the liquid metal in the lower cavity of the conveying tank to the discharge port, the discharge port is communicated with the discharge valve through the guide pipe, and the liquid metal can be conveyed to the discharge valve through the guide pipe, so that the liquid metal remaining in the lower cavity is fused with the liquid metal in the upper cavity, the situation of wasting the liquid metal is avoided, meanwhile, the guide pipe is positioned in the tank body of the conveying tank, the heating coil can heat the guide pipe at the same time, the liquid metal is prevented from being solidified in the guide pipe, and the smoothness of the guide pipe is ensured;
s4: s3, discharging the liquid metal in the lower cavity of the conveying tank conveyed in the flow guide pipe through a discharge valve, and simultaneously discharging the liquid metal in the upper cavity of the conveying tank through the discharge valve under the extrusion of a piston to finish the whole conveying of the liquid metal;
the liquid metal conveying tank adopted in the S1 comprises a conveying tank 2, 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 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. 2, the outer diameter of the spring 8 is sequentially reduced from the two ends to the middle, because the outer diameter of the spring 8 is gradually reduced from the two ends to the middle, the contact area between the spring 8 and the piston 3 and the bottom plate in the transportation 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 transportation tank 2 is increased, and because the contact area between the spring 8 and the bottom plate in the transportation tank 2 is increased, more heat in the lower cavity of the transportation tank 2 can be transferred to the upper cavity of the transportation tank 2, so that the heating amount of the liquid metal is increased, and the liquid metal is prevented from being.
As shown in fig. 2 and 4, 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. 2, 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. 2, the longitudinal distance between the coils of the heating coil 6 is sequentially decreased 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 decreased 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. 5, 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. 5, 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 operation flow 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 (7)
1. A method for conveying liquid metal, comprising: the method comprises the following steps:
s1: the liquid metal is introduced into the liquid metal conveying tank under the action of the pressure pump, a cavity is formed in the tank body of the conveying tank, the cavity is vacuumized, and the vacuum is used for playing a role in heat preservation;
s2: a pressure pump is arranged at the bottom of the conveying tank in the S1, the pressure pump is communicated with the bottom of the conveying tank, the pressure pump has a heating function, and a discharge hole is formed in the bottom of the conveying tank;
s3: s2, one end of the discharge hole is communicated with a flow guide pipe, the other end of the flow guide pipe is contacted with the discharge valve, the flow guide pipe is positioned in the tank body of the conveying tank, and the flow guide pipe is used for conveying liquid metal in the lower cavity of the conveying tank;
s4: s3, discharging the liquid metal in the lower cavity of the conveying tank conveyed in the flow guide pipe through a discharge valve, and simultaneously discharging the liquid metal in the upper cavity of the conveying tank through the discharge valve under the extrusion of a piston to finish the whole conveying of the liquid metal;
the liquid metal conveying tank adopted in the S1 comprises a conveying tank (2), 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); and a controller is arranged outside the conveying tank (2) and is used for controlling the work of the pressure pump (1).
2. The liquid metal delivery method of claim 1, wherein: the outer diameter of the spring (8) is reduced from two ends to the middle in sequence.
3. The liquid metal delivery method of claim 1, wherein: the cross section of the spring wire of the spring (8) is of 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.
4. The liquid metal delivery method of claim 1, wherein: 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).
5. The liquid metal delivery method of claim 1, wherein: the longitudinal distance of the coils of the heating coil (6) is reduced from bottom to top in sequence.
6. The liquid metal delivery method of claim 1, wherein: the cross section of the bulge (12) is of an axe-shaped structure.
7. The liquid metal delivery method of 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 |
|---|---|---|---|
| CN201811553407.1A CN109465431B (en) | 2018-12-18 | 2018-12-18 | Liquid metal conveying method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811553407.1A CN109465431B (en) | 2018-12-18 | 2018-12-18 | Liquid metal conveying method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109465431A CN109465431A (en) | 2019-03-15 |
| CN109465431B true CN109465431B (en) | 2020-11-03 |
Family
ID=65676390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811553407.1A Active CN109465431B (en) | 2018-12-18 | 2018-12-18 | Liquid metal conveying method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109465431B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1052288A (en) * | 1989-11-20 | 1991-06-19 | 约翰·E·威廉斯 | Have the dispenser of pushing the piston component of expecting that agent is used |
| JP2007153416A (en) * | 2005-12-07 | 2007-06-21 | Shiseido Co Ltd | Spouting 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 |
-
2018
- 2018-12-18 CN CN201811553407.1A patent/CN109465431B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1052288A (en) * | 1989-11-20 | 1991-06-19 | 约翰·E·威廉斯 | Have the dispenser of pushing the piston component of expecting that agent is used |
| JP2007153416A (en) * | 2005-12-07 | 2007-06-21 | Shiseido Co Ltd | Spouting 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109465431A (en) | 2019-03-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111996893A (en) | Asphalt pavement filling and sealing machine | |
| CN104507599B (en) | The conveying equipment of the metal melt in expulsion pressure device | |
| CN109733755B (en) | Liquid metal conveying tank | |
| CN109465431B (en) | Liquid metal conveying method | |
| JP4421318B2 (en) | Mold temperature control device, heat recovery tank used in the temperature control method, and temperature control method | |
| DE10258370A1 (en) | Processes and devices for the automatic dosing, transporting and pouring of melts and other fluids | |
| CN210098930U (en) | Electromagnetic pump gating system | |
| JP5046028B2 (en) | Molten metal supply device and supply method | |
| CN202877515U (en) | Hydraulic squeezing system of squeeze casting machine | |
| CN114875220A (en) | Metal quenching system and quenching process thereof | |
| CN208873052U (en) | A kind of fluid level controller | |
| CA2705297C (en) | Casting system with a device for applying a casting strip | |
| CN108535050A (en) | One kind formula of being slidably connected takes liquid centrifuge tube | |
| CN204449266U (en) | Two rooms continuous pressure aluminium liquid electrical heating holding furnace | |
| CN209431714U (en) | Multi-channel heat exchanger and Teat pump boiler | |
| CN207330311U (en) | A kind of waterworks of bottled drink | |
| CN109865825B (en) | Installation method of tundish slag blocking wall | |
| CN207243438U (en) | A kind of lotion auxiliary agents for producing automatic dripping device | |
| CN103994606A (en) | Inter-pipe redistributed film generation device capable of automatically cleaning away smoke dirt outside pipe | |
| CN219650836U (en) | Ink transfer control system | |
| CN116426719B (en) | Argon blowing device for manganese steel smelting ladle | |
| CN105605918B (en) | A kind of smelting furnace diversion pipe | |
| CN220181629U (en) | Mining hopper | |
| CN210088005U (en) | Novel flow controllable valve | |
| CN217044538U (en) | Material guiding device and ultra-large integrated die-casting die material pouring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201010 Address after: 239236 No. 32 Gaoxin Road, Lai'an Chahe Economic Development Zone, Chuzhou City, Anhui Province Applicant after: ANHUI HAODING METAL PRODUCT LIMED Co. Address before: 200093 School of mechanical engineering, University of Shanghai for Science and Technology, 516 military road, Shanghai, Yangpu District Applicant before: Qin Yifeng |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A Method for Transporting Liquid Metals Effective date of registration: 20230816 Granted publication date: 20201103 Pledgee: Lai An county Jinan financing Company limited by guarantee Pledgor: ANHUI HAODING METAL PRODUCT LIMED CO. Registration number: Y2023980052355 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |