CN213327746U

CN213327746U - Vertical continuous annealing furnace for steel strip annealing

Info

Publication number: CN213327746U
Application number: CN202022307141.1U
Authority: CN
Inventors: 奚浩泽
Original assignee: Changzhou Yifutai Special Steel Co ltd
Current assignee: Changzhou Yifutai Special Steel Co ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-06-01
Anticipated expiration: 2030-10-16

Abstract

The utility model discloses a vertical continuous annealing stove for steel band is annealing, the induction cooker comprises a cooker bod, the furnace body is by heating the furnace body, the cooling furnace body is constituteed, be provided with material guide roller set in heating the furnace body and the cooling furnace body, material guide roller set is by the material deflector roll, the roller is constituteed, the left lower extreme of heating the furnace body is equipped with the feed inlet, the upper right end of cooling furnace body is equipped with the discharge gate, it crosses the material mouth to be equipped with in the middle of between heating the furnace body and the cooling furnace body, feed inlet and discharge gate position all are provided with liftout cylinder group, liftout cylinder group is by the slide, a spring, the base piece, compress tightly the. The conveying time of the steel belt body continuously passing through the heating furnace body and the cooling furnace body is prolonged, the heating effect and the cooling effect of the steel belt body and the conveying stability are improved, the annealing quality is ensured, the stable symmetrical rolling pressing of the steel belt body during feeding and discharging is realized, and the stability during feeding and discharging is further ensured.

Description

Vertical continuous annealing furnace for steel strip annealing

Technical Field

The utility model belongs to the technical field of annealing stove, specifically be a vertical continuous annealing stove for steel band annealing.

Background

Annealing is a heat treatment process of metals, which means that a metal steel strip is slowly heated to a certain temperature, maintained for a sufficient time, and then cooled at a suitable speed in order to reduce hardness, improve machinability, remove residual stress, stabilize dimensions, and thus use a vertical annealing furnace.

However, most of the existing vertical continuous annealing furnaces for steel strip annealing do not have a material guide roller set structure arranged in a vertical left-right crossing manner, so that the conveying time of a steel strip body continuously passing through a heating furnace body and a cooling furnace body can be greatly reduced, the heating effect and the cooling effect of the steel strip body are low, the stability of continuously conveying the steel strip body is also low, and the annealing quality of the steel strip body is poor.

In addition, the symmetrical ejection roller group structure at the feeding port and the discharging port is not usually provided, so that the stable symmetrical rolling pressing of the steel strip body during feeding and discharging cannot be realized, and the stability of the steel strip body during continuous feeding and discharging in the furnace body is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vertical continuous annealing stove for steel band annealing to solve among the prior art the steel band body in succession through heating furnace body and cooling furnace body the transport time shorter and transport stability is lower and cause the relatively poor, the lower problem of stability of steel band body when feeding and the ejection of compact are carried out in succession in the furnace body to the annealing quality.

In order to achieve the above object, the utility model provides a following technical scheme: a vertical continuous annealing furnace for steel strip annealing comprises a furnace body, wherein the furnace body consists of a heating furnace body and a cooling furnace body, the heating furnace body and the cooling furnace body are internally provided with a material guide roller set which consists of a material guide roller and a roller shaft, the left lower end of the heating furnace body is provided with a feed inlet, the right upper end of the cooling furnace body is provided with a discharge outlet, a middle material passing hole is arranged between the heating furnace body and the cooling furnace body, the material inlet and the material outlet are both provided with a material ejecting roller group, the liftout cylinder group comprises slide, spring, base piece, compression roller, pivot, and this novel structure that uses all adopts No. forty-five steel to make except special explanation, and intensity is high, easy welding process, and the roller housing has the steel band body on the material deflector roll, and the steel band body is soft metal steel band, is often used for by the annealing of vertical continuous annealing stove.

Preferably, the quantity of material guide roller group is four to crossing structure range setting about with vertical, in per two locate heating furnace body and cooling furnace body respectively for a set of, the steel band body cup joints along these four material deflector rolls respectively to respectively through feed inlet, middle drain hole, discharge gate, the middle drain hole is the tilting, can guarantee that the steel band body enters into on the material deflector roll of top cooling furnace body from the material deflector roll continuous transport of below heating furnace body.

Preferably, the side wall of the heating furnace body at the feeding port and the side wall of the cooling furnace body at the discharging port are both provided with guide sliding chutes, the sliding plate is sleeved with the guide sliding chutes in a sliding manner, one end of the sliding plate, facing the steel strip body, is provided with a base block, the base block is provided with a shaft hole, the compression roller is provided with a rotating shaft, the rotating shaft is sleeved with the shaft hole in a rotating manner, referring to fig. 3, the length of the compression roller is not less than the width of the steel strip body, and the steel strip body can be guaranteed to be comprehensively and effectively compressed.

Preferably, a spring is arranged between the guide sliding chute and the sliding plate, and the sliding plate can slide in the guide sliding chute by the elastic force of the spring, so that the steel belt bodies with different thicknesses can be pressed and rolled.

Preferably, the outer wall surface of the pressing roller is provided with an elastic pad, the elastic pad is a polyurethane rubber pad, and when the two side surfaces of the steel belt body are pressed to roll, the surface of the steel belt body is prevented from being damaged by pressure.

Preferably, the material ejecting roller sets are symmetrically arranged by taking the steel strip body as a center at the positions of the feeding hole and the discharging hole, so that the two side surfaces of the steel strip body are pressed and rolled.

Preferably, the outer wall surface of the rotating shaft is provided with a stop block, and referring to fig. 3, the stop block can prevent the rotating shaft and the ejection roller from left and right shifting while ensuring that the rotating shaft rotates in the shaft hole.

Compared with the prior art, the beneficial effects of the utility model are that:

through the vertical left-right cross arrangement of the material guide roller group structure, the conveying time of the steel belt body continuously passing through the heating furnace body and the cooling furnace body is greatly prolonged, the heating effect and the cooling effect of the steel belt body are greatly improved, the stability of continuously conveying the steel belt body is also improved, and the annealing quality of the steel belt body is further ensured.

Through the symmetrical formula liftout cylinder group structure of setting at feed inlet and discharge gate, realized rolling to the stable symmetry of steel band body when feeding and the ejection of compact and press, and then guaranteed the stability of steel band body when carrying out the feeding in the furnace body in succession and the ejection of compact.

Drawings

FIG. 1 is a vertical view of the overall structure of the present invention;

fig. 2 is an enlarged view of the knockout drum set at a in fig. 1 according to the present invention;

fig. 3 is a side structure view of the rolling type pressing roller of the present invention.

In the figure: the steel strip heating furnace comprises a furnace body 1, a heating furnace body 2, a feeding hole 21, a cooling furnace body 3, a discharging hole 31, a guide chute 32, a material guide roller group 4, a material guide roller 41, a roller shaft 42, a material ejecting roller group 5, a sliding plate 51, a spring 52, a base block 53, a shaft hole 531, a pressing roller 54, a spring pad 541, a rotating shaft 55, a stop 551, a middle feeding hole 6 and a steel strip body 9.

Detailed Description

Referring to fig. 1, a vertical continuous annealing furnace for annealing steel strips comprises a furnace body 1, wherein the furnace body 1 comprises a heating furnace body 2 and a cooling furnace body 3, material guide roller sets 4 are arranged in the heating furnace body 2 and the cooling furnace body 3, the material guide roller sets 4 comprise material guide rollers 41 and roller shafts 42, a feed inlet 21 is arranged at the left lower end of the heating furnace body 2, a discharge outlet 31 is arranged at the right upper end of the cooling furnace body 3, a middle material passing port 6 is arranged between the heating furnace body 2 and the cooling furnace body 3, steel strip bodies 9 are sleeved on the material guide rollers 41, the number of the material guide roller sets 4 is four, the material guide rollers are arranged in a vertical left-right crossing structure, every two steel strip bodies are respectively arranged in the heating furnace body 2 and the cooling furnace body 3, the steel strip bodies 9 are respectively sleeved along the four material guide rollers 41 and respectively pass through the feed inlet 21, the middle material passing port 6 and the discharge outlet 31, the roller shaft 42 is rotatably sleeved with the preset through hole, one end of the roller shaft 42 of the uppermost material guide roller 41 is fixedly connected with a motor, and after the motor is electrified, the uppermost material guide roller 41 is driven to rotate through the motor shaft and the roller shaft 42, and the whole material guide roller group 4 drives the steel belt body 9 to continuously convey materials.

Referring to fig. 1, 2 and 3, the material inlet 21 and the material outlet 31 are provided with the material ejecting roller sets 5, the material ejecting roller sets 5 are symmetrically arranged around the steel strip body 9 at the positions of the material inlet 21 and the material outlet 31, each material ejecting roller set 5 comprises a sliding plate 51 and a spring 52, base block 53, hold-down roller 54, pivot 55 are constituteed, all be provided with direction spout 32 on the heating furnace body 2 lateral wall that is located feed inlet 21 and on the cooling furnace body 3 lateral wall that is located discharge gate 31, slide 51 and the slip of direction spout 32 cup joint, slide 51 welds base block 53 towards the one end of steel band body 9, be provided with shaft hole 531 on the base block 53, it has pivot 55 to weld on the hold-down roller 54, pivot 55 rotates with shaft hole 531 to cup joint, the welding has spring 52 between direction spout 32 and the slide 51, the outer wall bonding of hold-down roller 54 has bullet pad 541, the welding has dog 551 on the outer wall of pivot 55.

The working principle of the scheme is as follows: through the vertical left and right sides crossing arrangement setting material guide roller set 4 structure that sets up, steel band body 9 cup joints and carries along these four material guide rollers 41 respectively, and respectively through feed inlet 21, middle material passing opening 6, discharge gate 31, the continuous transit time through heating furnace body 2 and cooling furnace body 3 of steel band body 9 has been improved greatly, the heating effect and the cooling effect of steel band body 9 have been improved greatly, the stability of carrying out the transport in succession of steel band body 9 has also been improved, and then the annealing quality of steel band body 9 has been guaranteed.

When the steel strip body 9 is continuously conveyed through the feeding hole 21 and the discharging hole 31, at this time, the pressing rollers 54 with bilateral symmetry can press the two side surfaces of the steel strip body 9, so that stable symmetrical rolling pressing of the steel strip body 9 during feeding and discharging is realized, and the stability of the steel strip body 9 during continuous feeding and discharging in the furnace body 1 is further ensured.

Claims

1. A vertical continuous annealing furnace for annealing steel strips, comprising a furnace body (1), characterized in that: furnace body (1) comprises heating furnace body (2), cooling furnace body (3), be provided with material guide roller group (4) in heating furnace body (2) and cooling furnace body (3), material guide roller group (4) comprise material deflector roll (41), roller (42), the left lower extreme of heating furnace body (2) is equipped with feed inlet (21), the upper right end of cooling furnace body (3) is equipped with discharge gate (31), it crosses material mouth (6) to be equipped with in the middle of between heating furnace body (2) and the cooling furnace body (3), feed inlet (21) and discharge gate (31) position all are provided with liftout cylinder group (5), liftout cylinder group (5) comprise slide (51), spring (52), base piece (53), compress tightly cylinder (54), pivot (55), and the roller cover has steel band body (9) on material deflector roll (41).

2. The vertical continuous annealing furnace for annealing of steel strip according to claim 1, characterized in that: the quantity of material guide roller group (4) is four to crossing structure range setting about with vertical, per two are a set of locating respectively in heating furnace body (2) and cooling furnace body (3), steel band body (9) cup joint along these four material guide rollers (41) respectively, and respectively through feed inlet (21), middle material passing mouth (6), discharge gate (31).

3. The vertical continuous annealing furnace for annealing of steel strip according to claim 1, characterized in that: the steel strip cooling device is characterized in that guide sliding grooves (32) are formed in the side wall of the heating furnace body (2) of the feeding hole (21) and the side wall of the cooling furnace body (3) of the discharging hole (31), the sliding plate (51) is in sliding sleeve joint with the guide sliding grooves (32), a base block (53) is arranged at one end, facing the steel strip body (9), of the sliding plate (51), a shaft hole (531) is formed in the base block (53), a rotating shaft (55) is arranged on the pressing roller (54), and the rotating shaft (55) is in rotating sleeve joint with the shaft hole (531).

4. A vertical continuous annealing furnace for annealing of steel strips according to claim 3, characterized in that: a spring (52) is arranged between the guide chute (32) and the sliding plate (51).

5. A vertical continuous annealing furnace for annealing of steel strips according to claim 3, characterized in that: and an elastic pad (541) is arranged on the outer wall surface of the pressing roller (54).

6. The vertical continuous annealing furnace for annealing of steel strip according to claim 1, characterized in that: the positions of the material ejection roller sets (5) at the feed inlet (21) and the discharge outlet (31) are symmetrically arranged by taking the steel strip body (9) as a center.

7. A vertical continuous annealing furnace for annealing of steel strips according to claim 3, characterized in that: and a stop block (551) is arranged on the outer wall surface of the rotating shaft (55).