CN215090643U

CN215090643U - HotPot heat-insulating pouring furnace

Info

Publication number: CN215090643U
Application number: CN202120873231.9U
Authority: CN
Inventors: 代传峰; 林永良; 宋晗白
Original assignee: Shanghai Xinyan Industrial Equipment Co ltd
Current assignee: Shanghai Xinyan Industrial Equipment Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-12-10
Anticipated expiration: 2031-04-26

Abstract

The utility model provides a hot casting furnace that keeps warm of HotPot, include: the pouring ladle and the electromagnet assembly; the bottom of the pouring ladle is provided with an inwards sunken embedding groove; the electromagnet assembly is fixed in the embedded groove; the electromagnet assembly includes: the magnetic yoke comprises a skeleton core, four groups of magnetic yokes, an outer skeleton group and an induction coil; the framework core is square; the four groups of magnetic yokes are respectively fixed on four edges of the framework core and are in a cross shape; the outer framework group is sleeved on the outer sides of the four groups of magnetic yokes; the induction coil is wound on the outer framework group. The device has the advantages of compact structure, small space occupation and quick temperature rise; the speed of melting metal is higher, the electric efficiency is higher, and the yield in unit time is higher; meanwhile, the magnetic flux leakage phenomenon is small, and the interference to external equipment is small. The cooling pipe covers the yoke outside, can effectively reduce the whole condition of generating heat of iron core, extension equipment life.

Description

HotPot heat-insulating pouring furnace

Technical Field

The utility model relates to a cored heat preservation pouring furnace.

Background

The pouring furnace is widely used in the casting field, and is moved to a sand mold for pouring after receiving molten metal. In the conventional pouring furnace, the heat of molten metal contained in the conventional pouring furnace can be quickly dissipated in the processes of transferring, carrying, spheroidizing and the like, the temperature is reduced, the fluidity is poor, and the constant pouring temperature cannot be kept, so that the quality of the produced metal casting cannot meet the process requirement.

SUMMERY OF THE UTILITY MODEL

The utility model provides a hot spot heat preservation pouring furnace, which is a cross iron core composed of four groups of magnet yokes, and has compact structure, small space occupation and fast temperature rise; the speed of melting metal is higher, the electric efficiency is higher, and the yield in unit time is higher; to overcome the disadvantages of the prior art.

The utility model provides a hot casting furnace that keeps warm of HotPot, include: comprises a pouring ladle 100 and an electromagnet assembly 200; the bottom of the pouring ladle 100 is provided with an inward recessed embedding groove 110; the electromagnet assembly 200 is fixed in the embedded groove 110; the electromagnet assembly 200 includes: a bobbin core 210, four sets of yokes 220, an exoskeleton set 230, and an induction coil 240; the skeleton core 210 is square; four groups of magnetic yokes 220 are respectively fixed on four edges of the framework core 210 and are in a cross shape; the outer frame assembly 230 is an I-shaped ring and is sleeved outside the four groups of magnetic yokes 220; the induction coil 240 is wound on the exoskeleton group 230.

Further, the utility model provides a hot spot heat preservation pouring furnace can also have such characteristic: the electromagnet assembly 200 also includes four fixed plates 250; the fixing plate 250 includes a first fixing plate 251 and a second fixing plate 252; the first fixing plate 251 and the second fixing plate 252 are perpendicular to each other; the first fixing plate 251 is attached to one side of one group of the magnetic yokes 220, and the second fixing plate 252 is attached to the other side of the adjacent group of the magnetic yokes 220; the first fixing plate 251, the yoke 220, and the first fixing plate 251 or the second fixing plate 252 on the other side are fixedly connected by a fastener; the second fixing plate 251, the yoke 220, and the first fixing plate 251 or the second fixing plate 252 on the other side are fixedly connected by a fastener.

Further, the utility model provides a hot spot heat preservation pouring furnace can also have such characteristic: the electromagnet assembly 200 further comprises at least one water cooled tube 260; the water cooling tube 260 covers the fixing plate 250.

Further, the utility model provides a hot spot heat preservation pouring furnace can also have such characteristic: the water-cooled tubes 260 are divided into four groups; each group of water-cooled tubes 260 corresponds to one fixing plate 250; the water cooling tube 260 is oriented to match the shape of the fixing plate 250.

Further, the utility model provides a hot spot heat preservation pouring furnace can also have such characteristic: exoskeleton group 230 is made up of four exoskeleton pieces; each exoskeleton is in the shape of a quarter circle and is embedded between first fixing plate 251 and second fixing plate 252 of corresponding fixing plate 250.

Further, the utility model provides a hot spot heat preservation pouring furnace can also have such characteristic: the magnetic yoke 220 is formed by laminating a plurality of layers of cold-rolled silicon steel sheets; the cold-rolled silicon steel sheet is composed of a main plate 221 and two extension plates 222; the two extension plates 222 are respectively positioned at the upper end and the lower end of the main plate and extend outwards towards one side; the other side of the main plate abuts against one side of the skeleton core 210.

Further, the utility model provides a hot spot heat preservation pouring furnace can also have such characteristic: the main plate 221 is rectangular, and the extension plate 221 is also rectangular.

Further, the utility model provides a hot spot heat preservation pouring furnace can also have such characteristic: further comprises an intermediate frequency power supply 300 and a cable 400; one end of the cable 400 is electrically connected to the if power supply 300, and the other end is electrically connected to the induction coil 240.

Further, the utility model provides a hot spot heat preservation pouring furnace can also have such characteristic: cable 400 is a water cooled cable.

Further, the utility model provides a hot spot heat preservation pouring furnace can also have such characteristic: the induction coil 240 has two lead-out terminals 241; the lead connector 241 is electrically connected to the other end of the cable 400.

The utility model provides a hot casting furnace with compact structure, small space and fast temperature rise; the speed of melting metal is higher, the electric efficiency is higher, and the yield in unit time is higher; meanwhile, the magnetic flux leakage phenomenon is small, and the interference to external equipment is small. The cooling pipe covers the yoke outside, can effectively reduce the whole condition of generating heat of iron core, extension equipment life.

Drawings

FIG. 1 is a schematic structural view of a hot casting furnace in the example.

Fig. 2 is a perspective view of an electromagnet assembly in an embodiment.

FIG. 3 is a perspective view of the electromagnetic assembly with the induction coil and exoskeleton set removed in an embodiment.

FIG. 4 is a top view of the electromagnetic assembly with the induction coil and exoskeleton set removed in an embodiment.

Fig. 5 is a schematic structural view of a single cold rolled silicon steel sheet in the example.

Detailed Description

The invention is further described with reference to the accompanying drawings and specific embodiments.

Examples

As shown in fig. 1, in this embodiment, the hot casting furnace includes: pouring ladle 100, electromagnet assembly 200, intermediate frequency power supply 300 and cable 400. The bottom of the tundish 100 has an inwardly depressed embedding groove 110 at the center. The electromagnet assembly 200 is fixed in the insertion groove 110 and insulated from the tundish 100.

As shown in fig. 2, 3 and 4, the electromagnet assembly 200 includes: a skeleton core 210, four groups of magnetic yokes 220, an exoskeleton group 230, an induction coil 240, four fixing plates 250 and four groups of water-cooled tubes 260.

The skeleton core 210 is a hollow square. Each set of yokes 220 is made of multiple layers of cold rolled silicon steel sheets. As shown in fig. 5, in the present embodiment, the cold-rolled silicon steel sheet is composed of a main plate 221 and two extension plates 222; the main plate 221 is rectangular, and the extension plate 221 is also rectangular. The two extension plates 222 are respectively located at the upper and lower ends of the main plate and extend outward to one side. The other side of the main plate abuts against one side of the skeleton core 210.

As shown in fig. 3, the fixing plate 250 includes a first fixing plate 251 and a second fixing plate 252; the shapes of the two fixed plates are consistent and are the same as those of the cold-rolled silicon steel sheet. The first fixing plate 251 and the second fixing plate 252 are perpendicular to each other. The first fixing plate 251 is attached to one side of one set of yokes 220, and the second fixing plate 262 is attached to the other side of the adjacent set of yokes 220.

The first fixing plate 251, the yoke 220, and the first fixing plate 251 or the second fixing plate 252 on the other side are fixedly connected by a fastener. Similarly, the second fixing plate 251, the yoke 220, and the other side of the first fixing plate 251 or the second fixing plate 252 are fixedly connected by a fastener. Thus, the four yoke groups 220 are fixed to four sides of the frame core 210 by four fixing plates 250, respectively, to form a cross shape, thereby forming an iron core.

Each group of water-cooled tubes 260 covers a corresponding one of the fixing plates 250. The water cooling tube 260 is oriented to match the shape of the fixing plate 250. In this embodiment, each group of water-cooled tubes 260 comprises two pipelines, one is a bent T-shaped wrapped around the middle and upper portions of the fixing plate 250, the other is a bent rectangle wrapped around the lower portion of the fixing plate 250, the two pipelines facilitate the preparation and installation of the water-cooled tubes, and further improve the cooling efficiency.

In this embodiment, the exoskeleton group 230 is made up of four exoskeleton components; each exoskeleton is in the shape of a quarter circle and is embedded between first fixing plate 251 and second fixing plate 252 of corresponding fixing plate 250. And the axial section of each outer frame member is the same as the shape of the magnetic yoke. The purpose of the exoskeleton 230 is to facilitate the winding of the induction coil 240, and other structures can be used instead.

The induction coil 240 is spirally wound on the exoskeleton 230 by a water-cooled copper tube. The induction coil 240 has two lead-out terminals 241.

One end of the cable 400 is electrically connected to the if power supply 300, and the other end is electrically connected to the lead connector 241 of the induction coil 240 via the bottom of the ladle 100. The cable 400 is a water-cooled cable and can carry and deliver medium frequency alternating current to the induction coil 4.

When the induction coil 240 is powered on, the induction coil 240 generates a magnetic field under the action of electromagnetic induction, and the iron core formed by the four groups of magnetic yokes 220 in the induction coil 240 emits the magnetic field outwards, so that molten metal stored in the pouring ladle 100 generates an induction vortex and generates heat, thereby realizing the effect of heating the molten metal.

Effects and effects of the embodiments

Compared with the existing power frequency cored heat-preservation pouring furnace, the hot spot heat-preservation pouring furnace has the advantages that the medium-frequency power supply is adopted for supplying power, the metal melting speed is higher, the electric efficiency is higher, and the yield in unit time is higher. The use is flexible, the starting is rapid, no special requirements are required for the metal materials in the furnace, the furnace can be cooled and started at any time, the pouring furnace can be emptied after the furnace is stopped, and the variety of the metal materials is convenient to replace. Induction coil is located pouring ladle central authorities, and the magnetic line of force that produces by the coil fully acts on the molten metal, and the effect of being heated of molten metal is better, and the thermal efficiency is higher, and the magnetic leakage phenomenon is less simultaneously, and is also little to the interference of external equipment. The cooling pipe covers the yoke outside, can effectively reduce the whole condition of generating heat of iron core, extension equipment life.

To sum up, the utility model discloses a hot pot heat preservation pouring furnace, the speed of melting metal is faster, and electrical efficiency and thermal efficiency are higher, and the effect of being heated of metal liquid is better, enables the constancy of temperature of metal liquid and keeps in production requirement within range to realize the production of high-quality casting spare.

The embodiments described above are only a part of the embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Claims

1. A kind of HotPot keeps warm and pours the stove, characterized by: comprises a pouring ladle (100) and an electromagnet assembly (200);

wherein the bottom of the pouring ladle (100) is provided with an inward concave embedding groove (110);

the electromagnet assembly (200) is fixed in the embedded groove (110);

the electromagnet assembly (200) comprises: a skeleton core (210), four groups of magnetic yokes (220), an outer skeleton group (230) and an induction coil (240);

the skeleton core (210) is square; the four groups of magnetic yokes (220) are respectively fixed on four edges of the framework core (210) and are in a cross shape; the outer framework group (230) is sleeved on the outer sides of the four groups of magnetic yokes (220); the induction coil (240) is wound on the exoskeleton group (230).

2. The hot box casting furnace of claim 1, wherein:

wherein the electromagnet assembly (200) further comprises four fixing plates (250);

the fixing plate (250) comprises a first fixing plate (251) and a second fixing plate (252);

the first fixing plate (251) and the second fixing plate (252) are perpendicular to each other;

the first fixing plate (251) is attached to one side of one group of magnetic yokes (220), and the second fixing plate (252) is attached to the other side of the adjacent group of magnetic yokes (220);

the first fixing plate (251), the magnetic yoke (220) and the first fixing plate (251) or the second fixing plate (252) on the other side are fixedly connected through a fastener;

the second fixing plate (251), the magnetic yoke (220), and the first fixing plate (251) or the second fixing plate (252) on the other side are fixedly connected through fasteners.

3. The hot box casting furnace of claim 2, wherein:

wherein the electromagnet assembly (200) further comprises at least one water-cooled tube (260);

the water cooling pipe (260) covers the fixing plate (250).

4. A hot box casting furnace according to claim 3, wherein:

wherein the water cooling tubes (260) are divided into four groups;

each group of water-cooling pipes (260) corresponds to one fixing plate (250); the trend of the water cooling pipe (260) is matched with the shape of the fixing plate (250).

5. A hot box casting furnace according to claim 3, wherein:

wherein the exoskeleton group (230) is formed from four exoskeleton pieces;

each of the exoskeleton pieces has a quarter-circular shape and is embedded between the first fixing plate (251) and the second fixing plate (252) of the corresponding fixing plate (250).

6. The hot box casting furnace of claim 1, wherein:

the magnetic yoke (220) is formed by laminating multiple layers of cold-rolled silicon steel sheets;

the cold-rolled silicon steel sheet is composed of a main plate (221) and two extension plates (222);

the two extension plates (222) are respectively positioned at the upper end and the lower end of the main plate and extend outwards towards one side;

the other side of the main plate abuts against one edge of the skeleton core (210).

7. The hot casting furnace of claim 6, wherein:

the main plate (221) is rectangular, and the extension plate (221) is also rectangular.

8. The hot box casting furnace of claim 1, wherein:

the device also comprises an intermediate frequency power supply (300) and a cable (400);

one end of the cable (400) is electrically connected with the intermediate frequency power supply (300), and the other end is electrically connected with the induction coil (240).

9. The hot box casting furnace of claim 1, wherein:

wherein the cable (400) is a water-cooled cable.

10. The hot box casting furnace of claim 8, wherein:

wherein the induction coil (240) has two outgoing connections (241);

the lead-out connector (241) is electrically connected to the other end of the cable (400).