CN215176857U

CN215176857U - Multifunctional forging heating furnace

Info

Publication number: CN215176857U
Application number: CN202121565923.3U
Authority: CN
Inventors: 尚俊美; 何学兵; 黄振林
Original assignee: Hubei Zhongye Kiln & Furnace Co ltd
Current assignee: Hubei Zhongye Kiln & Furnace Co ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2021-12-14
Anticipated expiration: 2031-07-09

Abstract

The utility model belongs to the technical field of pusher forging heating furnaces, in particular to a multifunctional forging heating furnace, which comprises a forging heating furnace body, wherein a pusher is arranged at a feed inlet of the forging heating furnace body, and a furnace bottom prefabricated part is arranged in a furnace chamber of the forging heating furnace body; and replacing a steel pushing rod of the steel pushing machine with a steel supporting rod, wherein the steel supporting rod falls on the furnace bottom prefabricated part and is used for supporting a workpiece to feed. The utility model discloses promote the work piece operation by original pusher and improve for the pusher holds up the work piece and steadily gos forward, and the work piece is no longer contact extrusion each other, still can leave suitable clearance as required, not only effectual solved the inhomogeneous problem of steel ingot heating, also avoided the contact adhesion phenomenon between the adjacent steel ingot moreover.

Description

Multifunctional forging heating furnace

Technical Field

The utility model belongs to the technical field of pusher forge furnace, concretely relates to multi-functional formula forge furnace.

Background

The conventional pusher forging furnace has the following problems in the production process (such as the use of a novel patent: a forging furnace, application number 201721782823. X; or the forging furnace shown in the attached figures 2 and 3):

(1) the steel ingots to be heated are sequentially discharged along the central line direction of the hearth, the steel pusher at the furnace inlet pushes each steel ingot into the furnace one by one, the steel ingots entering the furnace are mutually pushed and tightly contacted under the driving action of the steel pusher, the reasonable gap required by uniform heating of the steel ingots cannot be ensured, and meanwhile, under the action of high-temperature atom permeation and affinity, more adhesion phenomena can occur between the adjacent steel ingots, and the adhesion of the steel ingots can directly cause a series of problems of difficult discharging, blocked discharging end and the like to occur.

(2) Under the operation mechanism, in order to ensure that all workpieces get in and out normally, the conventional pusher forging heating furnace needs to be provided with replacement billets with the length equivalent to that of a tiled furnace bottom, and additionally, the large operation cost is increased.

(3) At present, a conventional forging furnace is only provided with a one-fire discharge hole, and the conventional forging furnace needs to be continuously placed back to a one-fire uniform temperature area for heating after once forging, so that the requirement of continuous forging for multiple times cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional formula forging furnace, the utility model discloses not only effectual inhomogeneous problem of steel ingot heating of having solved has also avoided the contact adhesion phenomenon between the adjacent steel ingot moreover.

In order to achieve the above object, the utility model provides a following technical scheme:

a multifunctional forging heating furnace comprises a forging heating furnace body, wherein a pusher 1 is arranged at a feed inlet of the forging heating furnace body, and a furnace bottom prefabricated part 10 is arranged in a furnace chamber of the forging heating furnace body; the method is characterized in that: and replacing the steel pushing rod 8 of the steel pushing machine 1 with a steel supporting rod 9, wherein the steel supporting rod 9 falls on the furnace bottom prefabricated part 10 and is used for supporting the workpiece 2 for feeding.

Further, two rows of parallel and parallel furnace bottom prefabricated members 10 are arranged in a furnace chamber of the forging heating furnace body, and two steel supporting rods 9 are arranged and fall on the two rows of furnace bottom prefabricated members 10 respectively.

Further, the furnace bottom prefabricated part 10 is provided with an arc-shaped slide rail groove matched with the steel supporting rod 9, the slide rail groove is arranged along the length direction of the steel supporting rod 9, and the steel supporting rod 9 falls in the slide rail groove in sliding fit.

Further, the furnace chamber of the forging heating furnace body is sequentially provided with a first heating area I1, a second heating area I2, a first soaking area I3 and a second soaking area I4 along the advancing direction of the workpiece 2, and the side wall of the forging heating furnace body, which is located in the second soaking area I4, is provided with a first fire discharge hole 13.

Furthermore, a heat soaking three-zone I5 extends from the tail of the heat soaking two-zone I4 of the forging heating furnace body, the heat soaking three-zone I5 and the heat soaking two-zone I4 are separated by a first wall, and the lower part of the first wall is provided with a heat soaking two-zone smoke exhaust hole 4.

Further, a top burner 11 is arranged at the top of the soaking zone I5 of the forging heating furnace body.

Furthermore, a heat soaking four-zone I6 extends from the tail of the heat soaking three-zone I5 of the forging heating furnace body, the heat soaking four-zone I6 and the heat soaking three-zone I5 are separated through a second wall, and a heat soaking three-zone smoke exhaust hole 6 is formed in the lower portion of the second wall.

Further, a top burner 11 is arranged on the top of the four soaking zones I6 of the forging heating furnace body.

Further, the opening area of the smoke exhaust holes 4 in the second soaking area is larger than that of the smoke exhaust holes 6 in the third soaking area.

Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model discloses promote the work piece operation by original pusher and improve for the pusher holds up the work piece and steadily gos forward, and the work piece is no longer contact extrusion each other, still can leave suitable clearance as required, not only effectual solved the inhomogeneous problem of steel ingot heating, also avoided the contact adhesion phenomenon between the adjacent steel ingot moreover. The utility model discloses can realize multi-functional multi-chambered continuous forging to each room flue gas waste heat of ability make full use of, thereby improve the rapid heating of work piece, promote the thermal efficiency of stove, fuel economy consumes.

Drawings

FIG. 1 is a schematic view of a multi-function forge furnace.

Fig. 2 is a schematic sectional view B-B in fig. 1.

FIG. 3 is a schematic view of a prior art forge furnace.

Fig. 4 is a schematic sectional view a-a in fig. 3.

In the figure, 1, a pusher; 2. a workpiece (steel ingot); 3. a fire outlet; 4. smoke exhaust holes of the second soaking zone; 5. a second fire discharge hole; 6. uniformly heating three areas of smoke exhaust holes; 7. discharging the material from the third fire; 8. pushing the steel bar; 9. supporting a steel bar; 10. a furnace bottom prefabricated part; 11. a furnace top burner; i1, heating a first zone; i2, heating a second zone; i3, soaking in a first zone; i4, a second soaking zone; i5, a soaking zone; i6 and soaking in four zones.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the embodiments described are only some embodiments of the 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 work belong to the protection scope of the present invention.

Referring to fig. 1 and 2, a multifunctional forging furnace comprises a forging furnace body, wherein a first heating area I1, a second heating area I2, a first soaking area I3 and a second soaking area I4 are sequentially arranged in the furnace chamber along the advancing direction of a workpiece 2, and a fire discharge hole 13 is formed in the side wall of the forging furnace body, which is located in the second soaking area I4.

The forging heating furnace body extends out a heat soaking three-zone I5 at the tail of a heat soaking two-zone I4, the heat soaking three-zone I5 and the heat soaking two-zone I4 are separated through a first wall, and the lower part of the first wall is provided with a heat soaking two-zone smoke exhaust hole 4. The top of the soaking three area I5 is provided with a top burner 11.

The forging heating furnace body further extends out a soaking four-zone I6 at the tail of the soaking three-zone I5, the soaking four-zone I6 and the soaking three-zone I5 are separated through a second wall, and a soaking three-zone smoke vent 6 is formed in the lower portion of the second wall. The top of the soaking four-zone I6 is provided with a top burner 11. The opening area of the smoke exhaust holes 4 in the second soaking area is larger than that of the smoke exhaust holes 6 in the third soaking area.

Two rows of parallel and parallel furnace bottom prefabricated parts 10 are arranged in a furnace cavity of the forging heating furnace body, the slide rail grooves are arranged along the length direction of the forging heating furnace body, and arc-shaped slide rail grooves matched with the steel supporting rods 9 are arranged on the upper surface of the furnace bottom prefabricated parts 10. The forging heating furnace is characterized in that a pusher 1 is arranged at a feed inlet of the forging heating furnace body, a pusher bar 8 of the pusher 1 is replaced by two support bars 9, and the two support bars 9 respectively fall in slide rail grooves on two rows of furnace bottom prefabricated members 10 and are in sliding fit with the slide rail grooves. During feeding, the steel ingot falls on the steel supporting rod 9, and the steel ingot is supported by the steel supporting rod 9 for feeding.

Aiming at the current situation existing in the current production, the scheme mainly makes the following improvements:

(1) the original steel bar pushing 8 pushes the workpiece 2 to operate, the improvement is that the steel bar supporting 9 supports the workpiece 2 to stably advance, the workpiece 2 and the workpiece 2 are not contacted and extruded with each other, and a proper gap (steel ingots are placed on the steel bar supporting 9 at a certain interval) can be reserved according to requirements. Not only effectively improving the heat absorption working condition of the steel ingot and solving the problem of heating uniformity of the steel ingot, but also avoiding the contact adhesion phenomenon between adjacent workpieces 2 and solving the problem of material disorder and accumulation of the workpieces 2.

(2) The steel supporting rod 9 drives the workpiece (steel ingot) 2 to move to a fire discharge port 3 for discharging, and the steel supporting rod 9 is discharged from the furnace along with the completion of each discharging; if the production is required to be stopped and the furnace is stopped, the steel supporting rod 9 continues to support the workpiece 2 in the furnace for normal discharging; the amount of billet used for replacement when using the pusher bar 8 and a series of additional operating costs resulting therefrom are greatly reduced.

(3) The soaking zone is additionally provided with two independent soaking heating chambers, namely a soaking three-zone I5 and a soaking four-zone I6, and the soaking heating chambers are mainly used for enabling the forged workpiece 2 to be taken out for the first time after the workpiece 2 is discharged from the first fire discharge port 3 and can be placed in the soaking three-zone I5 for continuous heating. According to the forging requirement and the specification temperature requirement, the workpiece 2 can be placed into a soaking four-zone I6 for continuous heating forging. The workpiece 2 is not required to be placed back to the second soaking zone I4 for heating, so that the operation of the workpiece 2 is not influenced, the phenomenon of stacking the workpiece 2 is not caused, and continuous forging can be realized while the productivity is not influenced. In addition, smoke exhaust holes are reserved at the wall base of each independent uniform-temperature heating chamber to exhaust smoke in sequence, the waste heat and trend of the smoke are fully utilized, the heating speed of workpieces in a preheating section and a heating area can be further improved, the heat efficiency ratio of the furnace is improved, and the energy is saved. The utility model discloses both can accomplish a stove multi-purpose and can realize multifunctionality forge furnace such as forging many times again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A multifunctional forging heating furnace comprises a forging heating furnace body, wherein a pusher (1) is arranged at a feed inlet of the forging heating furnace body, and a furnace bottom prefabricated part (10) is arranged in a furnace chamber of the forging heating furnace body; the method is characterized in that: and replacing a steel pushing rod (8) of the steel pushing machine (1) with a steel supporting rod (9), wherein the steel supporting rod (9) falls on the furnace bottom prefabricated part (10) and is used for supporting the workpiece (2) for feeding.

2. The multi-function forging furnace according to claim 1, wherein: two rows of parallel and parallel arranged furnace bottom prefabricated parts (10) are arranged in a furnace chamber of the forging heating furnace body, and two steel supporting rods (9) are arranged and fall on the two rows of furnace bottom prefabricated parts (10) respectively.

3. The multi-function forging furnace according to claim 1 or 2, wherein: the furnace bottom prefabricated part (10) is provided with an arc-shaped slide rail groove matched with the support steel bar (9), the slide rail groove is arranged along the length direction of the support steel bar (9), and the support steel bar (9) falls in the slide rail groove in sliding fit.

4. The multi-function forging furnace according to claim 1, wherein: the furnace chamber of the forging heating furnace body is sequentially provided with a first heating area (I1), a second heating area (I2), a first soaking area (I3) and a second soaking area (I4) along the advancing direction of the workpiece (2), and the side wall of the forging heating furnace body, which is located in the second soaking area (I4), is provided with a fire discharge hole (13).

5. The multi-function forging furnace according to claim 4, wherein: the forging heating furnace body extends a soaking three-zone (I5) from the tail of the soaking two-zone (I4), the soaking three-zone (I5) and the soaking two-zone (I4) are separated by a first wall, and a smoke exhaust hole (4) of the soaking two-zone is formed in the lower portion of the first wall.

6. The multi-function forging furnace according to claim 5, wherein: and a furnace top burner (11) is arranged at the top of the soaking three area (I5) of the forging heating furnace body.

7. The multi-function forging furnace according to claim 5, wherein: the forging heating furnace body extends out a soaking four-zone (I6) at the tail of the soaking three-zone (I5), the soaking four-zone (I6) and the soaking three-zone (I5) are separated through a second wall, and a soaking three-zone smoke exhaust hole (6) is formed in the lower portion of the second wall.

8. The multi-function forging furnace according to claim 7, wherein: the top of the four soaking zones (I6) of the forging heating furnace body is provided with a top burner (11).

9. The multi-function forging furnace according to claim 7, wherein: the opening area of the smoke exhaust holes (4) in the second soaking area is larger than that of the smoke exhaust holes (6) in the third soaking area.