CN210741073U

CN210741073U - Electromagnetic induction furnace

Info

Publication number: CN210741073U
Application number: CN201921801486.3U
Authority: CN
Inventors: 蒋涛华; 钱勇
Original assignee: Wuxi Jinwanli Electric Furnace Co Ltd
Current assignee: Wuxi Jinwanli Electric Furnace Co Ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-06-12
Anticipated expiration: 2029-10-24

Abstract

The utility model relates to the technical field of casting equipment, in particular to an electromagnetic induction furnace, which comprises a furnace body, wherein the top end of the furnace body is provided with an opening communicated with the inside of the furnace body, the opening end of the furnace body is provided with a supporting plate, the supporting plate is provided with a feed inlet which runs through the supporting plate, the side wall of the feed inlet is articulated with a plurality of protective plates, elastic connecting mechanisms which enable the protective plates to rotate towards the center direction of the feed inlet are arranged between the supporting plate and the plurality of protective plates, one end of the protective plates, which is far away from the side wall of the feed inlet, is positioned below the feed inlet, and the plurality of protective plates rotate towards the center of the feed inlet to seal the feed inlet, so that the condition that the furnace lining of a furnace mouth part is damaged during feeding is reduced, the power consumption of the induction furnace is reduced.

Description

Electromagnetic induction furnace

Technical Field

The utility model relates to a casting equipment technical field, in particular to electromagnetic induction stove.

Background

Induction furnaces are widely used for the smelting of metals and are the main equipment in foundries and heat treatment plants. The medium frequency induction furnace converts three-phase power frequency alternating current into direct current after rectification, then converts the direct current into an adjustable medium frequency (more than 300Hz to 20 kHz) power supply, and medium frequency alternating current flows through a capacitor and an induction coil to generate high-density magnetic lines of force, so that metal materials contained in the induction coil are cut, a large eddy current is generated in the metal materials, and the metal materials are heated or melted, thereby realizing the heat processing treatment of metal.

In a medium frequency induction furnace, the filler between the induction coil and the metal being heated and melted is called the furnace lining. Generally consists of a fire-resistant layer, a heat-insulating layer and an insulating layer. Besides the functions of containing molten metal and smelting, the device also plays the roles of heat insulation, insulation and energy transfer. The furnace lining of the induction furnace is an important component of the induction furnace and is also a key part, and the service life of the induction furnace is directly influenced by the quality of the furnace lining. The furnace lining of the furnace mouth part of the induction furnace is very easy to be damaged by the impact of large furnace burden when charging, thereby reducing the heat preservation effect of the induction furnace and increasing the power consumption of the induction furnace.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an electromagnetic induction furnace to the reduction causes the condition of damage to the furnace wall of fire door part when reinforced, thereby promotes the heat preservation effect of induction furnace, reduces the consumption of induction furnace.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides an electromagnetic induction furnace, includes the furnace body, the furnace body top seted up with the inside communicating opening of furnace body, the open end of furnace body is provided with the backup pad, seted up in the backup pad and run through the feed inlet of backup pad, the feed inlet lateral wall articulates there is a plurality of guard plate, backup pad and a plurality of all be provided with the messenger between the guard plate orientation feed inlet center direction pivoted elastic connection mechanism, the guard plate is kept away from the one end of feed inlet lateral wall is located the feed inlet below, a plurality of the guard plate orientation the feed inlet center is rotated in order to seal the feed inlet.

Through the technical scheme, through the mutual matching between the protection plate and the elastic connecting mechanism, when a worker feeds materials into the furnace body through the feeding hole, the raw materials freely fall and abut against the protection plate, the protection plate opens the feeding hole due to the pressure of the raw materials and enables the raw materials to fall into the furnace body, and due to the elastic effect of the elastic connecting mechanism on the protection plate, the raw materials are buffered when entering the feeding hole, so that the speed of the raw materials entering the furnace body is greatly reduced, the raw materials are not easy to collide with the interior of the furnace body to cause damage of a furnace lining, the heat insulation effect of the induction furnace is improved, and the power consumption of the induction furnace is reduced; and the feed inlet can be automatically sealed before and after feeding, so that the heat dissipation in the furnace body is reduced, and the energy consumption of the induction furnace is reduced.

The utility model discloses further set up to: the elastic connection mechanism comprises a connecting rod fixedly connected to the bottom surface of the protection plate and a connecting groove formed in the side wall of the support plate, the connecting rod and the connecting groove extend along the direction of a rotation path of a connecting point of the connecting rod and the protection plate, the connecting rod is inserted into the connecting groove in a sliding mode, and an elastic piece is arranged between the connecting rod and the connecting groove.

Through above-mentioned technical scheme, cooperate through spread groove and connecting rod, make the guard plate when rotating, the rotation route sliding connection of guard plate is followed to the connecting rod in the spread groove, and the guard plate under no exogenic action, through the elastic action of elastic component, makes the guard plate can locate to rotate towards the feed inlet center to make a plurality of guard plate all with two adjacent guard plate looks butt, with the feed inlet of once more sealing, reduce the condition of heat escape in the furnace body.

The utility model discloses further set up to: the connecting rod is kept away from the one end fixedly connected with stopper of guard plate, the inner wall fixedly connected with spacing ring of spread groove open end works as the stopper butt in a plurality of during the spacing ring the guard plate seals the feed inlet.

Through above-mentioned technical scheme, through mutually supporting between stopper and the spacing ring, make the guard plate when rotating towards feed inlet center direction, reduce because of inertia and lead to the condition that the connecting rod breaks away from the spread groove, increase the mechanism stability between guard plate and the backup pad.

The utility model discloses further set up to: the backup pad top surface is located the position fixedly connected with feeder hopper of feed inlet, the last mouth diameter of feeder hopper is greater than end opening diameter.

Through above-mentioned technical scheme, through setting up the feeder hopper in feed inlet department, when making the staff in to the feed inlet in the feeding port, reduce the condition of raw materials scattering outside the feed inlet, reduce staff's working strength.

The utility model discloses further set up to: the feeder hopper outer wall with fixedly connected with a plurality of strengthening rib between the backup pad top surface, a plurality of the strengthening rib winds feeder hopper circumference evenly sets up.

Through above-mentioned technical scheme, through setting up the strengthening rib to increase the intensity and the stability of feeder hopper, reduce the feeder hopper and take place the condition of bending or even damage because of the impact force that receives the raw materials for a long time, increase the life of feeder hopper.

The utility model discloses further set up to: and a heat-insulating layer is arranged in the supporting plate.

Through above-mentioned technical scheme, through setting up the heat preservation in backup pad inside to increase the heat insulating ability of backup pad, thereby reduce the condition that the heat scatters and disappears, increase induction furnace's energy-conservation nature.

The utility model discloses further set up to: the backup pad detachably connect in the furnace body, backup pad lateral wall fixedly connected with rings, just rings are provided with at least three.

Through above-mentioned technical scheme, through set up rings on induction furnace to when setting up the mechanism damage in the backup pad or the furnace body is inside to be changed, the staff conveniently rises the backup pad and removes through rings.

The utility model discloses further set up to: and reinforcing ribs are arranged on the bottom surfaces of the protection plates.

Through above-mentioned technical scheme, through set up the strengthening rib on the guard plate to increase the anti ability of buckling of guard plate, thereby reduce the guard plate and take place the crooked condition of damaging even because of receiving the impact of raw materials for a long time, increase the life of guard plate.

To sum up, the utility model discloses following beneficial effect has:

1. through mutually supporting between guard plate and the elastic connection mechanism, make the raw materials play the cushioning effect to the raw materials when getting into the feed inlet to greatly reduced the speed when the raw materials gets into the furnace body, be difficult for taking place comparatively strong collision and lead to the furnace lining to damage with the furnace body is inside, thereby promote the heat preservation effect of induction furnace, reduce the consumption of induction furnace.

2. Through mutually supporting between stopper and the spacing ring, make the guard plate when rotating towards feed inlet center direction, reduce the condition that leads to the connecting rod to break away from the spread groove because of inertia, increase the mechanism stability between guard plate and the backup pad.

3. Through set up the feeder hopper in feed inlet department, when making the staff to the interior feeding of feed inlet, reduce the condition that the raw materials scatters outside the feed inlet.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is an overall sectional view of the present embodiment;

fig. 3 is a partially enlarged view of a portion a in fig. 2.

Reference numerals: 1. a furnace body; 2. a bolt; 3. a support plate; 4. a heat-insulating layer; 5. a feed inlet; 6. a protection plate; 7. reinforcing ribs; 8. an elastic connection mechanism; 9. a connecting rod; 10. connecting grooves; 11. an elastic member; 12. a limiting block; 13. a limiting ring; 14. a feed hopper; 15. a lifting ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides an electromagnetic induction furnace, as shown in fig. 1 and fig. 2, including furnace body 1, 1 top of furnace body has seted up with 1 inside communicating opening of furnace body, and the open end of furnace body 1 passes through 2 fixedly connected with backup pad 3 of a plurality of bolt, be provided with heat preservation 4 in the backup pad 3, heat preservation 4 is for filling the glass fiber cotton in backup pad 3 inside, in order to increase backup pad 3 to the heat preservation effect of furnace body 1, set up feed inlet 5 that runs through backup pad 3 in the backup pad 3, feed inlet 5 sets up to regular polygon's shape, 5 lateral walls of feed inlet articulate has a plurality of guard plate 6, the one end that 5 lateral walls of feed inlet were kept away from to guard plate 6 is located feed inlet 5 below, a plurality of guard plate 6 rotates in order to seal feed inlet 5 towards 5 centers, 6 bottom surfaces of.

As shown in fig. 2 and 3, in order to enable the plurality of protection plates 6 to automatically seal the feed inlet 5, an elastic connection mechanism 8 is arranged between the support plate 3 and the plurality of protection plates 6, the elastic connection mechanism 8 comprises a connecting rod 9 fixedly connected to the bottom surfaces of the protection plates 6, and a connecting groove 10 arranged on the side wall of the support plate 3, the connecting rod 9 and the connecting groove 10 both extend along the rotation path direction of the connecting point of the connecting rod 9 and the protection plates 6, the connecting rod 9 is slidably inserted into the connecting groove 10, an elastic part 11 is arranged between the connecting rod 9 and the connecting groove 10, and the elastic part 11 is arranged as a spring.

For reducing the condition that connecting rod 9 breaks away from spread groove 10, the one end fixedly connected with stopper 12 of guard plate 6 is kept away from to connecting rod 9, and the inner wall fixedly connected with spacing ring 13 of spread groove 10 open end, a plurality of guard plate 6 seals feed inlet 5 when stopper 12 butt is in spacing ring 13.

For reducing the condition of keeping away from when reinforced and falling in the feed inlet 5 outside, the 3 top surfaces of backup pad are located the fixedly connected with feeder hopper 14 of position of feed inlet 5, and the last mouth diameter of feeder hopper 14 is greater than the end opening diameter, and fixedly connected with a plurality of strengthening rib 7 (shown in figure 1) between 14 outer walls of feeder hopper and the 3 top surfaces of backup pad, and a plurality of strengthening rib 7 is around 14 circumference evenly setting of feed hopper.

For the staff removes or changes backup pad 3, four rings 15 of 3 lateral walls fixedly connected with of backup pad, and four rings 15 evenly set up around 3 circumference of backup pad, through four rings 15, it is more stable when the staff hoists backup pad 3.

The working principle is as follows:

when workers feed materials into the furnace body 1 through the feed inlet 5, the raw materials freely fall and abut against the protection plate 6, the protection plate 6 opens the feed inlet 5 due to the pressure of the raw materials, so that the raw materials fall into the furnace body 1, and the raw materials are buffered when entering the feed inlet 5 due to the elastic action of the elastic connection mechanism 8 on the protection plate 6, so that the speed of the raw materials entering the furnace body 1 is greatly reduced, the furnace lining is not easy to be damaged due to stronger collision with the interior of the furnace body 1, the heat preservation effect of the induction furnace is improved, and the power consumption of the induction furnace is reduced; and the feed inlet 5 can be automatically sealed before and after feeding, thereby reducing the heat dissipation in the furnace body 1 and further reducing the energy consumption of the induction furnace.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. An electromagnetic induction furnace, includes furnace body (1), its characterized in that: furnace body (1) top seted up with furnace body (1) inside communicating with each other opening, the open end of furnace body (1) is provided with backup pad (3), set up on backup pad (3) and run through feed inlet (5) of backup pad (3), feed inlet (5) lateral wall articulates there are a plurality of guard plate (6), backup pad (3) and a plurality of all be provided with between guard plate (6) and make guard plate (6) orientation feed inlet (5) central direction pivoted elastic connection mechanism (8), guard plate (6) are kept away from the one end of feed inlet (5) lateral wall is located feed inlet (5) below, a plurality of guard plate (6) orientation feed inlet (5) center rotates in order to seal feed inlet (5).

2. The induction hob according to claim 1, characterized in that: elastic connection mechanism (8) including fixed connection in connecting rod (9) of guard plate (6) bottom surface, set up in spread groove (10) of backup pad (3) lateral wall, connecting rod (9) with spread groove (10) are all followed connecting rod (9) with the rotation path direction of the tie point of guard plate (6) extends, connecting rod (9) slide peg graft in spread groove (10), connecting rod (9) with be provided with elastic component (11) between spread groove (10).

3. An induction hob according to claim 2, characterized in that: keep away from connecting rod (9) the one end fixedly connected with stopper (12) of guard plate (6), inner wall fixedly connected with spacing ring (13) of spread groove (10) open end works as stopper (12) butt in a plurality of during spacing ring (13) guard plate (6) seal feed inlet (5).

4. The induction hob according to claim 1, characterized in that: the top surface of the supporting plate (3) is located at the position fixedly connected with feed hopper (14) of the feed inlet (5), and the diameter of an upper opening of the feed hopper (14) is larger than that of a lower opening.

5. The induction hob according to claim 4, characterized in that: feeder hopper (14) outer wall with fixedly connected with a plurality of strengthening rib (7), a plurality of between backup pad (3) top surface strengthening rib (7) wind feeder hopper (14) circumference evenly sets up.

6. The induction hob according to claim 1, characterized in that: and a heat-insulating layer (4) is arranged in the supporting plate (3).

7. The induction hob according to claim 1, characterized in that: backup pad (3) detachably connect in furnace body (1), backup pad (3) lateral wall fixedly connected with rings (15), just rings (15) are provided with at least three.

8. The induction hob according to claim 1, characterized in that: and reinforcing ribs (7) are arranged on the bottom surface of the protection plate (6).