CN210098930U - Electromagnetic pump gating system - Google Patents
Electromagnetic pump gating system Download PDFInfo
- Publication number
- CN210098930U CN210098930U CN201920592111.4U CN201920592111U CN210098930U CN 210098930 U CN210098930 U CN 210098930U CN 201920592111 U CN201920592111 U CN 201920592111U CN 210098930 U CN210098930 U CN 210098930U
- Authority
- CN
- China
- Prior art keywords
- electromagnetic pump
- liquid
- heat preservation
- molten metal
- pouring
- 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
Landscapes
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The utility model is suitable for a low pressure casting technical field provides an electromagnetic pump gating system, including the heat preservation stove that is used for saving pouring molten metal, the mould that has the die cavity, with the stalk of heat preservation stove and die cavity intercommunication and install the electromagnetic pump on the stalk. Compared with the prior art, the utility model has the advantages that the electromagnetic pump is arranged on the liquid lifting pipe, and the heat preservation furnace is communicated with the die cavity through the liquid lifting pipe; when the electromagnetic pump is electrified, the pouring metal liquid in the lift pipe directionally flows into the die cavity under the action of the magnetic field force. In the pouring process, the interference of external factors such as air or moisture and the like is avoided, so that the temperature of the poured molten metal is kept constant, and the quality of the cast and formed casting is good; and magnetic field force still can stir pouring molten metal, discharges the air in the pouring molten metal, further improves the quality of foundry goods, also need not to stop the casting and carries out the liquid feeding operation, and the casting continuity is good.
Description
Technical Field
The utility model belongs to the technical field of the low pressure casting, more specifically say, relate to an electromagnetic pump gating system.
Background
At present, in the traditional low-pressure casting process, a heat preservation furnace containing casting liquid is extruded by air to fill the casting liquid into a mold cavity through a riser tube, and a casting is formed after pressure maintaining solidification molding. However, this operation has the following disadvantages: 1. in the process of continuously pressing and releasing air, a large amount of air and moisture can enter the casting liquid, so that the temperature of the casting liquid is reduced, and the casting has defects; 2. the liquid level in the riser tube is constantly changed, so that the pressure in the riser tube is also constantly changed, and the stability of casting process parameters can be directly influenced; 3. the holding furnace needs to stop the casting operation each time the casting liquid is added, resulting in poor continuity of the casting process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electromagnetic pump gating system to utilize air extrusion pouring liquid easily to lead to the foundry goods defect in the low pressure casting that exists among the solution prior art, the relatively poor problem of pouring continuity.
In order to achieve the above object, the utility model adopts the following technical scheme: provided is an electromagnetic pump gating system, comprising:
the heat preservation furnace is used for storing pouring molten metal;
a mold having a mold cavity;
one end of the liquid lifting pipe is communicated with the outlet end of the heat preservation furnace, and the other end of the liquid lifting pipe is communicated with the mold cavity;
and the electromagnetic pump is arranged on the liquid lifting pipe and used for conveying the casting molten metal in the heat preservation furnace to the die cavity.
Further, the electromagnetic pump comprises a positive plate installed in the liquid lifting pipe, a negative plate arranged corresponding to the positive plate, and an electromagnet used for generating magnetic field force to drive the pouring metal liquid to move, the negative plate and the electromagnet are installed in the liquid lifting pipe respectively, one end of the electromagnet is connected with the positive plate, and the other end of the electromagnet is connected with the negative plate.
Further, the height of the poured molten metal in the lift pipe is higher than that of the electromagnet.
Furthermore, the electromagnetic pump gating system further comprises a support frame for supporting the mold and a chute, wherein one end of the chute is communicated with the outlet end of the holding furnace, the other end of the chute is communicated with the inlet end of the liquid lifting pipe, the chute is installed on the support frame, and the liquid lifting pipe is fixedly arranged on the support frame.
Further, the heat preservation stove is including being used for saving the furnace body of pouring molten metal and being used for right the furnace body carries out heat retaining heat preservation, the heat preservation set up in the surface of furnace body, the exit end of furnace body with the chute intercommunication.
Further, the heat preservation furnace also comprises a plurality of heaters for heating the pouring molten metal in the furnace body, and each heater is arranged in the furnace body.
Furthermore, the electromagnetic pump gating system further comprises a temperature sensor for monitoring the temperature of the poured metal liquid in the heat preservation furnace, wherein the temperature sensor is arranged in the heat preservation furnace and is electrically connected with each heater.
Further, the heat preservation furnace also comprises a liquid adding chamber used for adding the pouring molten metal for the furnace body, and the liquid adding chamber is communicated with the furnace body.
Furthermore, the liquid adding chamber is provided with an opening and a sealing cover for sealing the opening.
Further, the height of the liquid adding chamber is larger than that of the furnace body.
The utility model provides an electromagnetic pump gating system's beneficial effect lies in: compared with the prior art, the utility model has the advantages that the electromagnetic pump is arranged on the liquid lifting pipe, and the heat preservation furnace is communicated with the die cavity through the liquid lifting pipe; when the electromagnetic pump is electrified, the pouring metal liquid in the lift pipe directionally flows into the die cavity under the action of the magnetic field force. In the pouring process, the interference of external factors such as air or moisture and the like is avoided, so that the temperature of the poured molten metal is kept constant, and the quality of the cast and formed casting is good; and magnetic field force still can stir pouring molten metal, discharges the air in the pouring molten metal, further improves the quality of foundry goods, also need not to stop the casting and carries out the liquid feeding operation, and the casting continuity is good.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an electromagnetic pump gating system according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the connection between the holding furnace and the lift tube according to the embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
1-holding furnace; 11-a furnace body; 12-an insulating layer; 13-a heater; 14-a dosing chamber; 15-sealing cover;
2-a mould; 21-a mold cavity; 22-fixing the mold; 23-moving the mould;
3-an electromagnetic pump; 31-positive plate; 32-negative plate; 33-an electromagnet;
4-pouring molten metal; 5-a riser tube; 6-a support frame; 7-chute; 8-temperature sensor.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1 and fig. 2 together, a description will now be given of an electromagnetic pump gating system according to an embodiment of the present invention. The electromagnetic pump pouring system comprises a holding furnace 1, a mold 2 with a mold cavity 21, a liquid lifting pipe 5 for communicating the outlet end of the holding furnace 1 with the inlet end of the mold cavity 21, and an electromagnetic pump 3 arranged on the liquid lifting pipe 5. The heat preservation furnace 1 is filled with the pouring molten metal 4, and the pouring molten metal 4 in the heat preservation furnace 1 is conveyed into the die cavity 21 to be cast and molded into a casting under the action of the magnetic field force of the electromagnetic pump 3.
Compared with the prior art, the electromagnetic pump pouring system provided by the embodiment of the utility model has the advantages that the electromagnetic pump 3 is arranged on the lift pipe 5, and the heat preservation furnace 1 is communicated with the die cavity 21 through the lift pipe 5; when the electromagnetic pump 3 is electrified, the casting metal liquid 4 in the riser tube 5 flows directionally into the die cavity 21 under the action of the magnetic field force. In the pouring process, the interference of external factors such as air or moisture and the like is avoided, so that the temperature of the poured molten metal 4 is kept constant, and the quality of a cast formed casting is good; and magnetic field force still can stir pouring molten metal 4, discharges the air in pouring molten metal 4, further improves the quality of foundry goods, also need not to stop the casting and carries out the liquid feeding operation, and the casting continuity is good.
Further, please refer to fig. 1 together, as a specific implementation manner of the electromagnetic pump gating system provided by the embodiment of the present invention, the electromagnetic pump 3 includes a positive plate 31 installed in the lift pipe 5, a negative plate 32 corresponding to the positive plate 31, and an electromagnet 33 for generating magnetic field force to drive the poured molten metal 4 to move, the negative plate 32 and the electromagnet 33 are installed in the lift pipe 5 respectively, one end of the electromagnet 33 is connected to the positive plate 31, and the other end of the electromagnet 33 is connected to the negative plate 32. With the structure, after the positive plate 31 and the negative plate 32 are electrically connected, the electromagnet 33 generates an upper magnetic field force and a lower magnetic field force, so that the casting metal liquid 4 in the lift pipe 5 can be extruded into the mold cavity 21 of the mold 2 through the magnetic field force.
Adopt electromagnetic pump casting technique, compare with traditional vapour-pressure type low pressure casting method, have following advantage: 1. the transmission of the casting metal liquid 4 is stable, and no violent pressurizing and depressurizing process exists, so that the oxidation and air suction caused by turbulent flow are avoided; 2. all the pouring metal liquid 4 has positive effect on improving the structure and the performance of the casting under the action of magnetic field force; 3. the flow and the pressurization are standard, the precision and the continuous control can be realized, and the reaction is rapid and accurate; 4. the heat preservation furnace 1 does not pressurize compressed air and can work under protective atmosphere, thereby reducing gas dissolution, preventing the casting molten metal 4 from being secondarily polluted, reducing the formation of pores and secondary oxidation slag inclusion, and avoiding the problem of unstable quality caused by different drying degrees of compressed air and pressure change.
Alternatively, the electromagnetic pump 3 uses a dc power supply, and compared with an ac power supply, the required electric load power is lower, and the safety factor of use is high, which is not limited herein.
Further, referring to fig. 2, as a specific implementation of the electromagnetic pump gating system according to the embodiment of the present invention, the height of the poured molten metal 4 in the lift pipe 5 is higher than the height of the electromagnet 33. With the structure, the pouring molten metal 4 in the liquid lifting pipe 5 can be constantly kept in a contact state with the electromagnet 33, and after the electromagnetic pump 3 is electrified, the electromagnet 33 can directly drive the pouring molten metal 4 to flow, so that the pouring continuity between castings is improved.
Optionally, the electromagnetic pump gating system mainly comprises the following four stages: 1. a liquid lifting section: the electromagnetic pump 3 raises the level of the casting metal 4 in the lift pipe 5 to the gate of the mold 2. At this stage, the current of the electromagnetic pump 3 is 1250A, and the running time is 2 s; 2. a molding section: the molten metal 4 is poured into the cavity 21, and fills the entire cavity 21. At this stage, the current of the electromagnetic pump 3 is 1950A, and the running time is 5 s; 3. a pressure maintaining section: after the mold filling is completed, the mold cavity 21 is subjected to certain pressure maintaining to ensure that enough pouring molten metal 4 is fed when the casting is solidified. At this stage, the current of the electromagnetic pump 3 is 2100A, and the running time is 55 s; 4. a pressure relief section: the electromagnetic pump 3 is powered off, and the casting metal liquid 4 flows back to the riser tube 5. The electromagnetic mold filling process parameters are to obtain magnetic field forces with different sizes by adjusting the current value, so that the casting is ensured to be solidified and molded at different stages, and qualified and high-quality castings are produced.
Further, please refer to fig. 2 together, as a specific implementation manner of the electromagnetic pump gating system provided by the embodiment of the present invention, the electromagnetic pump gating system further includes a supporting frame 6 for supporting the mold 2 and a chute 7 having one end communicated with the outlet end of the holding furnace 1 and the other end communicated with the inlet end of the lift pipe 5, the chute 7 is installed on the supporting frame 6, and the lift pipe 5 is fixed on the supporting frame 6. Alternatively, the chute 7 is arranged vertically to the lift tube 5 and the mould 2 is arranged on the support frame 6. According to the structure, the pouring metal liquid 4 firstly flows into the chute 7 and then flows into the riser tube 5, and the chute 7 plays a certain drainage role.
Alternatively, the mold 2 comprises a fixed mold 22 arranged on the support frame 6 and a movable mold 23 matched with the fixed mold 22, and a mold cavity 21 is formed between the fixed mold 22 and the movable mold 23. After the pouring molten metal 4 is condensed and formed in the die cavity 21, the movable die 23 is opened and the casting is ejected out under the action of the ejector rod, and after the die cavity 21 is cleaned by the cleaning mechanism, the movable die 23 and the fixed die 22 are closed to perform the next repeated operation.
Further, please refer to fig. 2 together, as a specific implementation manner of the electromagnetic pump gating system provided by the embodiment of the present invention, the heat preservation furnace 1 includes a furnace body 11 for storing the pouring molten metal 4 and a heat preservation layer 12 for preserving heat of the furnace body 11, the heat preservation layer 12 is disposed on the outer surface of the furnace body 11, and the outlet end of the furnace body 11 is communicated with the chute 7. This structure can carry out effectual heat preservation to pouring molten metal 4 in the furnace body 11 through heat preservation 12 for the uniformity of pouring molten metal 4 temperature improves the quality of foundry goods among the pouring process.
Further, please refer to fig. 2 together, as a specific implementation manner of the electromagnetic pump gating system provided by the embodiment of the present invention, the holding furnace 1 further includes a plurality of heaters 13 for heating the poured molten metal 4 in the furnace body 11, and each of the heaters 13 is respectively disposed in the furnace body 11. Alternatively, the number of the heaters 13 may be three, which is not limited herein. With this structure, the heater 13 can heat the molten metal 4, so that the temperature of the molten metal 4 poured at each time can be kept consistent, thereby improving the quality of the casting.
Further, please refer to fig. 2 together, as a specific implementation manner of the electromagnetic pump gating system provided by the embodiment of the present invention, the electromagnetic pump gating system further includes a temperature sensor 8 for monitoring the temperature of the casting molten metal 4 in the holding furnace 1, the temperature sensor 8 is disposed in the holding furnace 1, and the temperature sensor 8 is electrically connected with each heater 13. According to the structure, when the temperature of the pouring molten metal 4 in the furnace body 11 detected by the temperature sensor 8 is lower than a preset value, the temperature sensor 8 can send an instruction to each heater 13, each heater 13 works and heats the pouring molten metal 4, and each heater 13 stops working until the preset value is reached, so that the pouring molten metal 4 can be kept in a preset temperature range all the time, and the quality of castings is improved.
Further, please refer to fig. 2 together, as a specific implementation manner of the electromagnetic pump gating system provided by the embodiment of the present invention, the holding furnace 1 further includes a liquid adding chamber 14 for adding the pouring molten metal 4 to the furnace body 11, and the liquid adding chamber 14 is communicated with the furnace body 11. By adopting the structure, the liquid feeding chamber 14 can supplement the casting metal liquid 4 for the holding furnace 1 at any time, and the casting continuity is improved.
Further, referring to fig. 2, as a specific implementation manner of the electromagnetic pump gating system according to the embodiment of the present invention, the liquid feeding chamber 14 is provided with an opening and a sealing cover 15 for sealing the opening. Alternatively, the height of the filler chamber 14 is larger than the height of the furnace body 11, and is not limited thereto. This structure, through sealed lid 15 with the trompil sealed, can avoid during outside air or impurity get into pouring molten metal 4, and then influence the quality of foundry goods. The pouring molten metal 4 in the liquid adding chamber 14 does not need manual operation, and can automatically flow into the furnace body 11 under the action of the dead weight of the pouring molten metal 4, so that the operation is convenient.
Optionally, the electromagnetic pump pouring system is suitable for manufacturing a front auxiliary bracket of an automobile chassis, the pouring molten metal 4 is A356.2 aluminum alloy, and the tensile strength, the yield strength and the elongation of the produced casting are respectively greater than or equal to 280MPa, 210MPa and 7 percent. The mould 2 can realize six cavities in one mould, the temperature of the casting aluminum liquid is 680 +/-5 ℃, the density of the aluminum liquid is 2.69g/ml, and the mould is not limited uniquely.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An electromagnetic pump gating system, comprising:
the heat preservation furnace is used for storing pouring molten metal;
a mold having a mold cavity;
one end of the liquid lifting pipe is communicated with the outlet end of the heat preservation furnace, and the other end of the liquid lifting pipe is communicated with the mold cavity;
and the electromagnetic pump is arranged on the liquid lifting pipe and used for conveying the casting molten metal in the heat preservation furnace to the die cavity.
2. The electromagnetic pump gating system of claim 1, wherein: the electromagnetic pump comprises a positive plate arranged in the liquid lifting pipe, a negative plate correspondingly arranged with the positive plate and an electromagnet used for generating magnetic field force to drive the pouring metal liquid to move, the negative plate and the electromagnet are respectively arranged in the liquid lifting pipe, one end of the electromagnet is connected with the positive plate, and the other end of the electromagnet is connected with the negative plate.
3. The electromagnetic pump gating system of claim 2, wherein: the height of the pouring metal liquid in the liquid lifting pipe is higher than that of the electromagnet.
4. The electromagnetic pump gating system of claim 1, wherein: the electromagnetic pump pouring system further comprises a support frame for supporting the mold, a chute, wherein one end of the chute is communicated with the outlet end of the holding furnace, the other end of the chute is communicated with the inlet end of the liquid lifting pipe, the chute is installed on the support frame, and the liquid lifting pipe is fixedly arranged on the support frame.
5. The electromagnetic pump gating system of claim 4, wherein: the heat preservation furnace comprises a furnace body for storing the pouring molten metal and a heat preservation layer for preserving heat of the furnace body, the heat preservation layer is arranged on the outer surface of the furnace body, and the outlet end of the furnace body is communicated with the chute.
6. The electromagnetic pump gating system of claim 5, wherein: the heat preservation furnace also comprises a plurality of heaters for heating the pouring molten metal in the furnace body, and the heaters are respectively arranged in the furnace body.
7. The electromagnetic pump gating system of claim 6, wherein: the electromagnetic pump pouring system further comprises a temperature sensor for monitoring the temperature of the poured metal liquid in the heat preservation furnace, the temperature sensor is arranged in the heat preservation furnace, and the temperature sensor is electrically connected with each heater.
8. The electromagnetic pump gating system of claim 5, wherein: the heat preservation furnace also comprises a liquid adding chamber used for adding the pouring molten metal for the furnace body, and the liquid adding chamber is communicated with the furnace body.
9. The electromagnetic pump gating system of claim 8, wherein: and the liquid adding chamber is provided with an opening and a sealing cover for sealing the opening.
10. The electromagnetic pump gating system of claim 8, wherein: the height of the liquid adding chamber is greater than that of the furnace body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920592111.4U CN210098930U (en) | 2019-04-26 | 2019-04-26 | Electromagnetic pump gating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920592111.4U CN210098930U (en) | 2019-04-26 | 2019-04-26 | Electromagnetic pump gating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210098930U true CN210098930U (en) | 2020-02-21 |
Family
ID=69538115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920592111.4U Active CN210098930U (en) | 2019-04-26 | 2019-04-26 | Electromagnetic pump gating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210098930U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112068609A (en) * | 2020-09-17 | 2020-12-11 | 程继胜 | Intelligent cloud control system for pouring of magnetorheological fluid mold |
| CN114769552A (en) * | 2022-05-09 | 2022-07-22 | 天津海特智能装备有限公司 | Antigravity casting apparatus using electromagnetic pump |
-
2019
- 2019-04-26 CN CN201920592111.4U patent/CN210098930U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112068609A (en) * | 2020-09-17 | 2020-12-11 | 程继胜 | Intelligent cloud control system for pouring of magnetorheological fluid mold |
| CN114769552A (en) * | 2022-05-09 | 2022-07-22 | 天津海特智能装备有限公司 | Antigravity casting apparatus using electromagnetic pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210098930U (en) | Electromagnetic pump gating system | |
| CN110976814B (en) | Semi-continuous antigravity pouring method for aluminum alloy automobile frame | |
| CN115007839A (en) | Semi-solid rheoforming low-pressure casting method | |
| CN110394438A (en) | One kind is into material return system, Squeezing die casting machine and its casting method | |
| CN204545392U (en) | A kind of small mould slidingtype casting furnace | |
| CN216912066U (en) | Precision casting equipment | |
| CN111069569A (en) | Low-pressure filling type gravity compensation type casting mold and casting method thereof | |
| CN201324829Y (en) | Multi-mold middle caster for rear nonferrous metals | |
| CN210334308U (en) | Feed-back system and extrusion die-casting machine | |
| CN206425491U (en) | A kind of gravity casting mold of seal nipple | |
| CN112605363A (en) | Aluminum die-casting forming die with auxiliary pushing mechanism | |
| WO2013131405A1 (en) | Low-pressure casting device | |
| CN214557288U (en) | Low-pressure casting device of floor bathtub body | |
| CN211101530U (en) | Novel pressure casting device | |
| CN104550833B (en) | Wheel blanks cast casting structure | |
| CN210547985U (en) | Quick fashioned metal anti-vibration mould die-casting device | |
| CN112276039A (en) | Feeding system and die casting machine | |
| CN215033434U (en) | A pour device for aluminium ingot production and processing | |
| CN206356563U (en) | A kind of diecasting alloys Duplex melting device | |
| CN212884956U (en) | Low pressure mould rises liquid system filter equipment | |
| CN215845640U (en) | Cylinder cover aluminum die-casting die with heat radiation structure | |
| CN211101534U (en) | Casting tank for aluminum ingot casting production | |
| CN217192504U (en) | Efficient heat-dissipation die-casting die capable of increasing density of castings | |
| CN218340994U (en) | Antigravity casting device | |
| CN219233903U (en) | Rare earth metal continuous casting equipment based on tec electronic cooling plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |