CN213951297U

CN213951297U - Multi-station steel ingot heating furnace

Info

Publication number: CN213951297U
Application number: CN202023120663.7U
Authority: CN
Inventors: 程祖国
Original assignee: Zhejiang Yongli Steel Co ltd
Current assignee: Zhejiang Yongli Steel Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-08-13
Anticipated expiration: 2030-12-22

Abstract

The application discloses a multi-station steel ingot heating furnace, which relates to the technical field of steel processing and comprises a furnace body, wherein a furnace chamber is arranged in the furnace body, a feeding hole and a discharging hole are also formed in the furnace body, the feeding hole and the discharging hole are both communicated with the furnace chamber, a discharging station and a plurality of heating stations are arranged in the furnace chamber, the plurality of heating stations are sequentially distributed along the horizontal direction, each heating station is provided with a heating device, and each heating station can be used for accommodating a plurality of workpieces; the feed inlet is located the one end of a plurality of heating station distribution directions, and ejection of compact station is located the other end of a plurality of heating station distribution directions, and the discharge gate is located the side of heating station distribution direction and corresponds ejection of compact station setting. Through setting up feed inlet, a plurality of heating station, ejection of compact station and discharge gate for the operation of work piece heating is more convenient, makes the heating efficiency of work piece higher, makes the production of batchization more high-efficient.

Description

Multi-station steel ingot heating furnace

Technical Field

The application relates to the technical field of steel processing, in particular to a multi-station steel ingot heating furnace.

Background

In the mechanical metallurgy industry, steel ingots are often required to be heated, the physical properties of the steel ingots are changed after heating, the steel ingots can be forged in the next step only after having certain softness, and a heating furnace can be used for heating the steel ingots.

In the related art, when a steel ingot needs to be heated, the steel ingot is generally moved into a heating furnace from a feeding port, and when the steel ingot is heated to meet the processing requirement, the steel ingot is taken out of the heating furnace along the feeding port.

The inventor believes that the heating efficiency of the workpiece is low in batch production and needs to be improved due to the fact that the feeding port of the heating furnace is used for discharging and feeding materials at the same time, so that the heating furnace can only heat 1-3 steel ingots.

SUMMERY OF THE UTILITY MODEL

In order to improve the lower problem of work piece heating efficiency, this application provides a multistation steel ingot heating furnace.

The application provides a multistation steel ingot heating furnace adopts following technical scheme:

a multi-station steel ingot heating furnace comprises a furnace body, wherein a furnace chamber is arranged in the furnace body, the furnace body is also provided with a feeding hole and a discharging hole, the feeding hole and the discharging hole are both communicated with the furnace chamber, a discharging station and a plurality of heating stations are arranged in the furnace chamber, the plurality of heating stations are sequentially distributed along the horizontal direction, each heating station is provided with a heating device, and each heating station can be used for accommodating a plurality of workpieces; the feed inlet is located the one end of a plurality of heating station distribution directions, just ejection of compact station is located the other end of a plurality of heating station distribution directions, the discharge gate is located the side of heating station distribution direction and corresponds ejection of compact station setting.

Through the technical scheme, the workpieces can enter the heating stations from the feeding hole, and each heating station can accommodate a plurality of workpieces, so that the quantity of the workpieces processed simultaneously is increased, the workpieces can be moved to the discharging station after being heated, and the workpieces at the discharging station are moved out of the furnace chamber through the discharging hole, so that the steel ingot is heated more conveniently, the heating efficiency of the workpieces is higher, and the batch production is more efficient.

Optionally, the furnace body is equipped with feed arrangement, feed arrangement is located the furnace chamber outside and is close to the feed inlet, feed arrangement is including sliding the pneumatic cylinder of connecting in the feed plate of furnace body and drive feed plate removal, the direction of sliding of feed plate is along the distribution direction of a plurality of heating stations, the pneumatic cylinder is used for pushing the work piece into the furnace chamber.

Through above-mentioned technical scheme, set up feed arrangement, push the furnace chamber with the work piece in proper order through the pneumatic cylinder, the work piece of each heating station realizes removing through mutual extrusion between the work piece, makes the removal in proper order of work piece in the furnace chamber through work piece immigration feed inlet to it is more convenient to make holistic use.

Optionally, the furnace body still is equipped with two parallel slide rails, and the length direction of slide rail sets up along a plurality of the distribution direction of heating station, the slide rail extends to the removal that the ejection of compact station is used for supporting the work piece from the feed inlet.

Through above-mentioned technical scheme, set up the slide rail, remove through the slide rail to the work piece and support, make the moving resistance of work piece littleer on the one hand, reduce the area of contact of work piece and furnace body simultaneously for the work piece heating is more even, and the heating effect is better.

Optionally, the furnace body is equipped with out the work or material rest, goes out the work or material rest and corresponds to be located the discharge gate department, go out the work or material rest and include the backup pad and set up in two bearing strip of backup pad, the length direction of every bearing strip is on a parallel with the distribution direction of a plurality of heating stations, and two bearing strip are towards the direction horizontal distribution who keeps away from ejection of compact station, and the up end parallel and level of two bearing strip just is less than the slide rail up end.

Through above-mentioned technical scheme, car city ejection of compact platform when the work piece shifts out from the discharge gate, ejection of compact platform can bear the weight of the work piece, and the interval of two bearing strip sets up, and the interval department can give the work piece clamp and step down for follow-up operation with the work piece centre gripping is more convenient.

Optionally, the furnace body is provided with a first heat insulation plate, the first heat insulation plate is located at the feed inlet, the upper end of the first heat insulation plate is connected to the furnace body through a flexible connecting strip, and the first heat insulation plate sags through gravity to shield an opening of the feed inlet higher than a workpiece.

Through above-mentioned technical scheme, set up heat insulating board one, the lower extreme of heat insulating board one is contradicted the work piece upper end and is sheltered from the position that the feed inlet is higher than the work piece under the action of gravity. The first heat insulation plate is connected with the furnace body through the flexible connecting strip, and after the thickness of the workpiece becomes thick, the first heat insulation plate can incline, so that the first heat insulation plate cannot interfere with feeding of the workpiece, and meanwhile, the heat insulation effect can be ensured, and the whole use is more convenient.

Optionally, a second heat insulation plate is arranged at the discharge hole, the second heat insulation plate is shielded by the discharge hole, and the furnace body is further provided with a driving piece for driving the second heat insulation plate to move up and down.

According to the technical scheme, the second heat insulation plate is arranged and driven by the driving piece to move up and down, when the second heat insulation plate moves up, the discharge hole is opened, and at the moment, the workpiece at the discharge station can move out of the furnace chamber; after the second heat insulation plate moves downwards, the two pairs of discharge holes of the heat insulation plate are shielded, so that heat loss in the furnace body is reduced, and the whole use is more convenient.

Optionally, the driving part comprises a flexible strip connected to the upper end of the second heat insulation plate, a fixed pulley rotatably connected to the furnace body, and a winch arranged on the furnace body, the fixed pulley is located above the heat insulation plate, the flexible strip is communicated to the winch after passing through the fixed pulley, and the winch is used for rolling the flexible strip to enable the second heat insulation plate to move upwards.

Through the technical scheme, the flexible strip, the fixed pulley and the winch are arranged, the flexible strip is driven to be wound through the winding of the winch, and the flexible strip is wound to enable the heat insulation plate II to move upwards to enable the discharge hole to be opened. When the winch unwinds the flexible strip, the second heat insulation plate moves downwards under the action of gravity and straightens the flexible strip, so that the second heat insulation plate covers the discharge hole. The fixed pulley can reverse the moving direction, so that the winch can be arranged close to the ground, and the operation or the trimming of the winch is more convenient.

Optionally, the furnace body is further provided with a discharging oil cylinder, and the discharging oil cylinder is used for ejecting the workpiece of the discharging station along the discharging port.

Through the technical scheme, the workpiece is ejected out of the discharging station through the discharging oil cylinder, so that the discharging operation is more convenient.

In summary, the present application includes at least one of the following beneficial technical effects:

(1) by arranging the feeding hole, the plurality of heating stations, the discharging station and the discharging hole, the workpiece heating operation is more convenient, the workpiece heating efficiency is higher, and the batch production is more efficient;

(2) by arranging the feeding device, the workpieces move into the feeding hole to move in sequence in the furnace chamber, so that the integral use is more convenient;

(3) through setting up heat insulating part one and heat insulating part two for the thermal-insulated effect of furnace body is better, reduces the thermal loss in the furnace chamber.

Drawings

FIG. 1 is an overall schematic view of an embodiment;

fig. 2 is a partial structural schematic diagram of the embodiment.

Reference numerals: 1. a furnace body; 2. a furnace chamber; 3. a feed inlet; 4. a feeding device; 41. a feeding plate; 42. a hydraulic cylinder; 5. a first heat insulation plate; 6. a flexible connecting strip; 7. a heating station; 8. a discharge station; 9. a slide rail; 10. a discharge port; 11. a discharging table; 111. a support plate; 112. a support strip; 12. a second heat insulation plate; 13. a drive member; 131. a flexible strip; 132. a fixed pulley; 133. a winch; 14. and a discharging oil cylinder.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses multistation steel ingot heating furnace, as shown in figure 1, including furnace body 1, the length direction of furnace body 1 is the horizontal setting. The furnace body 1 is provided with a furnace chamber 2. The furnace chamber 2 extends along the length direction of the furnace body 1, the feed inlet 3 is arranged at one end of the furnace body 1 in the length direction, and the feed inlet 3 is communicated with the furnace chamber 2.

Furnace body 1 still is equipped with feed arrangement 4, and feed arrangement 4 is located the furnace chamber 2 outside and is close to feed inlet 3, and feed arrangement 4 includes feed plate 41 and pneumatic cylinder 42, and feed plate 41 slides along the horizontal direction and connects in furnace body 1, and the slip direction of flitch sets up along furnace body 1 length direction and towards the direction of feed inlet 3. The hydraulic cylinder 42 is fixed on the furnace body 1, the hydraulic cylinder 42 is located on one side of the feeding plate 41 far away from the feeding hole 3, a piston rod of the hydraulic cylinder 42 is fixedly connected with the feeding plate 41, and the piston rod of the hydraulic cylinder 42 extends out to push a workpiece at the feeding hole 3 into the furnace chamber 2.

The furnace body 1 is also provided with a first heat insulation plate 5, the first heat insulation plate 5 is positioned at the feed inlet 3, the upper end of the first heat insulation plate 5 is fixed on the furnace body 1 through a flexible connecting strip 6, and the flexible connecting strip 6 is an iron chain or a steel wire rope. The lower end of the first heat insulation plate 5 props against the upper end of the workpiece under the action of gravity and shields the position of the feed port 3 higher than the workpiece. When the thickness of the workpiece is thickened, the heat insulation plate I5 can incline because the heat insulation plate is connected with the furnace body 1 through the flexible connecting strip 6, so that the heat insulation plate can not interfere with feeding of the workpiece, and the heat insulation effect can be ensured.

As shown in fig. 1 and 2, the furnace chamber 2 further has a heating station 7 and a discharging station 8, and the heating station 7 is provided with a plurality of heating workpieces, and each heating workpiece can be accommodated by a plurality of workpieces. The plurality of heating stations 7 are sequentially distributed along the length direction of the furnace body 1, each station is correspondingly provided with a heating device (not shown), the heating devices are induction heaters, and the heating devices are fixed in the furnace body 1. The workpiece in the heating station 7 is positioned in an area surrounded by an induction coil of the induction heater, and when the induction heater is electrified, the workpiece is heated. The discharge stations 8 are located on the side of each heating station 7 remote from the feed opening 3.

The furnace body 1 is also provided with two parallel slide rails 9, and the length direction of each slide rail 9 extends along the distribution direction of the plurality of heating stations 7. The slide rail 9 extends from one end of the feeding port 3 to the discharging station 8 and is used for supporting the movement of the workpiece. In actual use, the slide rail 9 is a water-cooling-free slide rail 9 made of ceramic materials, and is fixed in the furnace body 1 through a foundation wall built by refractory materials, and the refractory materials can be made of refractory concrete.

As shown in fig. 2, the furnace body 1 is further provided with a discharge port 10, the discharge port 10 is located on the side of the distribution direction of the heating station 7, and the position of the discharge port 10 corresponds to the discharge station 8. The furnace body 1 is provided with a discharging platform 11, the discharging platform 11 is correspondingly positioned at the discharging port 10, and the discharging platform 11 comprises a supporting plate 111 and two supporting strips 112. The backup pad 111 is fixed in subaerially, and two bearing strip 112 are fixed in backup pad 111 up end, and the length direction of every bearing strip 112 is on a parallel with the length direction of furnace body 1, and two bearing strip 112 are towards the direction horizontal distribution of keeping away from ejection of compact station 8, and the up end parallel and level of two bearing strip 112 just is less than the slide rail 9 up end.

A second heat insulation plate 12 is arranged at the discharge port 10, and the second heat insulation plate 12 is shielded at the discharge port 10. The furnace body 1 is also provided with a driving part 13 for driving the second heat insulation plate 12 to move up and down, and the driving part 13 comprises a flexible strip 131, a fixed pulley 132 and a winch 133. The fixed pulley 132 is rotatably connected to the furnace body 1 and located above the second heat insulation plate 12, the winch 133 is fixed to the outer wall of the furnace body 1 and arranged close to the ground, and the winch 133 comprises a machine body fixed to the furnace body 1, a winding wheel rotatably connected to the machine body, and a brake motor for driving the winding wheel to rotate to wind and unwind. The flexible strip 131 is an iron chain or a steel wire rope, the flexible strip 131 is wound around the fixed pulley 132, one end of the flexible strip 131 is fixedly connected to the upper end of the second heat insulation plate 12, and the other end of the flexible strip 131 is fixedly connected to a winding wheel of the winch 133.

When the winding wheel of the winding machine 133 rotates to wind the flexible strip 131, the flexible strip 131 is wound so that the heat insulation plate two 12 can move upwards to open the discharge hole 10. When the winding machine 133 unwinds the flexible strip 131, the second heat insulation board 12 moves downward under the action of gravity and straightens the flexible strip 131, so that the second heat insulation board 12 covers the discharge hole 10. When the second heat insulation plate 12 moves up and down, the end surface of the second heat insulation plate 12 close to the furnace body 1 props against the furnace body 1 so as to reduce the turnover of the second heat insulation plate 12.

Referring to fig. 2, the furnace body 1 is further provided with a discharging oil cylinder 14, the discharging oil cylinder 14 is located on one side of the furnace body 1 away from the discharging port 10, a cylinder body of the discharging oil cylinder 14 is fixed with the furnace body 1, and a piston rod of the discharging oil cylinder 14 extends into the discharging station 8 and is used for ejecting a workpiece of the discharging station 8 along the discharging port 10.

The working principle of the embodiment is as follows:

during the in-service use, place the work piece on two guide rails of feed inlet 3 department, push the work piece in furnace chamber 2 through feed arrangement 4, when pushing of work piece one, the work piece can promote the work piece that gets into furnace chamber 2 earlier and remove for the work piece passes through each heating station 7, heats through corresponding heating device when passing through heating station 7, when the work piece removes to ejection of compact station 8 from feed inlet 3, the work piece heating has can satisfy the forging demand, then pushes away the work piece to ejection of compact platform 11 department through ejection of compact hydro-cylinder 14.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A multistation steel ingot heating furnace which is characterized in that: the heating furnace comprises a furnace body (1), wherein a furnace chamber (2) is arranged in the furnace body (1), a feeding hole (3) and a discharging hole (10) are further formed in the furnace body (1), the feeding hole (3) and the discharging hole (10) are communicated with the furnace chamber (2), a discharging station (8) and a plurality of heating stations (7) are arranged in the furnace chamber (2), the heating stations (7) are sequentially distributed along the horizontal direction, each heating station (7) is provided with a heating device, and each heating station (7) can be accommodated by a plurality of workpieces; the feeding hole (3) is located at one end of the distribution directions of the heating stations (7), the discharging station (8) is located at the other end of the distribution directions of the heating stations (7), and the discharging hole (10) is located on the side of the distribution directions of the heating stations (7) and corresponds to the discharging station (8).

2. A multi-station ingot heating furnace according to claim 1, characterized in that: furnace body (1) is equipped with feed arrangement (4), feed arrangement (4) are located furnace chamber (2) outer and are close to feed inlet (3), feed arrangement (4) are including sliding hydraulic cylinder (42) of connecting in feed plate (41) and drive feed plate (41) removal of furnace body (1), the direction of sliding of feed plate (41) is along the distribution direction of a plurality of heating station (7), hydraulic cylinder (42) are used for pushing the work piece in furnace chamber (2).

3. A multi-station ingot heating furnace according to claim 2, characterized in that: the furnace body (1) still is equipped with two parallel slide rails (9), and the length direction of slide rail (9) is along a plurality of the distribution direction setting of heating station (7), slide rail (9) extend to ejection of compact station (8) from feed inlet (3) and are used for supporting the removal of work piece.

4. A multi-station ingot heating furnace according to claim 3, characterized in that: furnace body (1) is equipped with ejection of compact platform (11), and ejection of compact platform (11) correspond and are located discharge gate (10) department, ejection of compact platform (11) include backup pad (111) and set up in two bearing strip (112) of backup pad (111), and the length direction of every bearing strip (112) is on a parallel with the distribution direction of a plurality of heating stations (7), and two bearing strip (112) are towards the direction horizontal distribution of keeping away from ejection of compact station (8), and the up end parallel and level of two bearing strip (112) just are less than slide rail (9) up end.

5. A multi-station ingot heating furnace according to claim 1, characterized in that: the furnace body (1) is provided with a first heat insulation plate (5), the first heat insulation plate (5) is located at the feed inlet (3), the upper end of the first heat insulation plate (5) is connected to the furnace body (1) through a flexible connecting strip (6), and the first heat insulation plate (5) is downward hung through gravity to shield an opening, higher than a workpiece, of the feed inlet (3).

6. A multi-station ingot heating furnace according to claim 1, characterized in that: and a second heat insulation plate (12) is arranged at the discharge hole (10), the second heat insulation plate (12) is shielded from the discharge hole (10), and the furnace body (1) is further provided with a driving piece (13) for driving the second heat insulation plate (12) to move up and down.

7. A multi-station ingot heating furnace according to claim 6, characterized in that: the driving piece (13) comprises a flexible strip (131) connected to the upper end of the second heat insulation plate (12), a fixed pulley (132) rotatably connected to the furnace body (1) and a winch (133) arranged on the furnace body (1), the fixed pulley (132) is located above the heat insulation plate, the flexible strip (131) is communicated to the winch (133) through the fixed pulley (132), and the winch (133) is used for rolling the flexible strip (131) to enable the second heat insulation plate (12) to move upwards.

8. A multi-station ingot heating furnace according to claim 1, characterized in that: the furnace body (1) is also provided with a discharging oil cylinder (14), and the discharging oil cylinder (14) is used for ejecting workpieces of the discharging station (8) along the discharging hole (10).