CN211177931U

CN211177931U - Red punching heating furnace

Info

Publication number: CN211177931U
Application number: CN201922163223.0U
Authority: CN
Inventors: 陈仙锋; 李军
Original assignee: Taizhou Huanlian Technology Co ltd
Current assignee: Taizhou Huanlian Technology Co ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-08-04
Anticipated expiration: 2029-12-05

Abstract

The utility model provides a red hot stamping heating furnace belongs to red hot stamping processing technology field. It has solved its poor problem of heating effect of current red towards heating furnace. This red towards heating furnace for the heating bar copper, including the furnace body, the length and the above-mentioned bar copper phase-match of furnace body, its characterized in that: a plurality of closed inner cavities are arranged in the furnace body along the length direction of the furnace body, and each closed inner cavity comprises a heating cavity positioned at the upper part and a combustion cavity positioned at the lower part; the bottom of the combustion cavity is provided with at least one row of first gas inlet holes for inputting gas into the combustion cavity; the heating cavity bottom is communicated with the combustion cavity and is provided with a supporting structure for supporting the copper bar. The red punching heating furnace has the advantage of remarkable heating effect.

Description

Red punching heating furnace

Technical Field

The utility model belongs to the technical field of red towards processing, especially a red towards heating furnace.

Background

The red punching machine, also known as a temperature upsetting machine, adopts an electromagnetic induction heating intermediate frequency furnace for heating or acetylene and liquefied gas for heating materials, and utilizes the upsetting pressure of the machine to realize automatic feeding, automatic material cutting, automatic punching and automatic blanking. The product can be formed in a die at one time, and irregular parts such as spherical, hexagonal, cylindrical and valve bodies can be upset. In the product forming process, in order to better mold, a material (generally, a copper bar) needs to be placed into a red punching heating furnace for preheating, and after the copper bar is heated to red, the next material cutting and punching process is carried out.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the technical problem and providing a red punching heating furnace.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a red towards heating furnace for the heating bar copper, includes the furnace body, the length and the above-mentioned bar copper phase-match of furnace body, its characterized in that: a plurality of closed inner cavities are arranged in the furnace body along the length direction of the furnace body, and each closed inner cavity comprises a heating cavity positioned at the upper part and a combustion cavity positioned at the lower part; the bottom of the combustion cavity is provided with at least one row of first gas inlet holes for inputting gas into the combustion cavity; the heating cavity bottom is communicated with the combustion cavity and is provided with a supporting structure for supporting the copper bar.

In the red punching heating furnace, two closed inner cavities are arranged, and the furnace body comprises a heat insulation plate, a copper bar frame, a flame-throwing plate and a side plate; the heat insulation plate and the copper bar frame enclose a first space, and the first space is divided into two heating cavities by a first connecting plate; the copper rod rack, the flame-throwing plate and the side plate are enclosed to form a second space, and the second space is divided into two combustion chambers by a second connecting plate.

In the above-mentioned red punching heating furnace, the two above-mentioned support structures are arranged on the copper bar frame, and the support structure includes a support portion and a channel provided at the bottom of the heating cavity; the supporting part comprises two first inclined planes for supporting the copper rod, and a plurality of guide grooves are formed in the first inclined planes; the two first inclined planes are all obliquely arranged with the channel and symmetrically arranged on two sides of the channel, the channel is positioned below the two first inclined planes and communicated with the guide groove, and the heating cavity and the combustion cavity are communicated through the channel.

In the above-mentioned red punching heating furnace, the grooving direction of the guide groove is perpendicular to the axial direction of the copper bar.

In the above-mentioned red punching heating furnace, the inclination angle between the two first inclined planes and the channel is 45 degrees, that is, the included angle between the two first inclined planes is 90 degrees.

In the above-mentioned red punching heating furnace, a plurality of strengthening ribs that are arranged at even intervals are fixedly connected on the channel.

In foretell red towards heating furnace, be equipped with two flame projecting structures on the flame projecting plate, two flame projecting structures are located two foretell combustion chamber respectively, the flame projecting structure includes two rows of evenly distributed's above-mentioned first gas inlet ports, is the first main gas inlet port that can burn to form main flame and can burn to form the first gas inlet port of assisting flame respectively.

In foretell red towards electric heating furnace, the position that the flame board is located first assistance gas inlet hole is equipped with first protruding edge directly over, the lower terminal surface on first protruding edge is the second inclined plane, the second inclined plane can be with the outer flame guide of assisting flame in the inner flame of main flame.

In the red punching heating furnace, a first convex edge is arranged at a position of the flame plate right above the first auxiliary gas inlet hole, and the lower end surface of the first convex edge is a second inclined surface; the flame-throwing plate is provided with a second convex edge right above the first main gas inlet hole, the lower end face of the second convex edge is a third inclined plane, and the third inclined plane and the second inclined plane can respectively guide main flames and auxiliary flames to the central position of the channel.

In the red-blast heating furnace, the furnace body further comprises a fuel gas cavity positioned at the bottom of the furnace, the two combustion cavities are communicated with the fuel gas cavity through first fuel gas inlet holes in the two flame spraying structures respectively, and a second fuel gas inlet hole is formed in the bottom of the fuel gas cavity.

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

1. the utility model discloses have better wholeness and leakproofness, the thermal loss in the stove that significantly reduces can effectively avoid because of sealed fire problem of leaping up that causes not tight, factor of safety is high.

2. The utility model discloses a guide way sets up both sides heating air current, compares the one-way heating in bottom, and the hot gas flow can not be retardant, realizes the all-round heating of bar copper, reduces heat loss, improves the heating effect.

3. The utility model provides a protruding edge will assist during the outer flame of flame guides the inner flame of main flame to improve the temperature of main flame inner flame, thereby promote rate of heating.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a left side view of the present invention.

Fig. 3 is a schematic structural diagram of the copper bar rack of the present invention.

Fig. 4 is a schematic structural view of the middle fire plate of the present invention.

Fig. 5 is a second left side view of the present invention.

In the figure, 1, an inner cavity is closed; 1a, heating a cavity; 1b, a combustion chamber; 2. a copper bar; 3. a heat insulation plate; 4. a copper bar frame; 5. a flame-throwing plate; 51. a first gas inlet; 51a, a first main gas inlet hole; 51b, a first auxiliary gas inlet hole; 52. a first convex edge; 53. a second convex edge; 54. a second inclined plane; 55. a third inclined plane; 6. a side plate; 7. a first connecting plate; 8. a second connecting plate; 9. a support portion; 91. a first inclined plane; 92. a guide groove; 10. a channel; 11. reinforcing ribs; 12. a gas chamber; 13. a second gas inlet hole.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 4, the red punching heating furnace is used for heating the copper rod 2 and comprises a furnace body, the length of the furnace body is matched with that of the copper rod 2, and the red punching heating furnace can heat the whole copper rod 2 at the same time, so that the heating time is shortened. A plurality of closed inner cavities 1 are arranged in the furnace body along the length direction of the furnace body, and each closed inner cavity 1 comprises a heating cavity 1a positioned on the upper part and a combustion cavity 1b positioned on the lower part. The closed inner cavity 1 has better integrity and sealing performance, the copper rod 2 is placed into the closed inner cavity 1 for heating, the loss of heat in the furnace is greatly reduced, the problem of fire leaping caused by poor sealing can be effectively avoided, and the safety factor is high. The bottom of the combustion cavity 1b is provided with at least one row of first gas inlet holes 51 for inputting gas into the combustion cavity 1b, and the copper bar 2 can be rapidly heated by the plurality of first gas inlet holes 51. The bottom of the heating cavity 1a is communicated with the combustion cavity 1b and is provided with a supporting structure for supporting the copper rod 2.

As further optimization of the embodiment, the number of the closed inner cavities 1 can be 1-10, preferably, the number of the closed inner cavities 1 in the embodiment is two, that is, two copper rods 2 can be heated simultaneously. The furnace body comprises a heat insulation plate 3, a copper bar frame 4, a flame spraying plate 5 and a side plate 6; the heat insulation plate 3 and the copper bar frame 4 enclose a first space, and the first space is divided into two heating cavities 1a by a first connecting plate 7; the copper rod frame 4, the flame spraying plate 5 and the side plate 6 enclose a second space, and the second space is divided into two combustion chambers 1b by a second connecting plate 8.

As shown in fig. 3, two support structures are arranged on the copper bar rack 4, and each support structure comprises a support part 9 and a channel 10 arranged at the bottom of the heating cavity 1 a; the supporting portion 9 includes two first inclined planes 91 for supporting the copper rod 2, the first inclined planes 91 are provided with a plurality of guide grooves 92, and the groove direction of the guide grooves 92 is perpendicular to the axial direction of the copper rod 2. The two first inclined planes are both obliquely arranged with the channel and symmetrically arranged at two sides of the channel, the channel is positioned below the two first inclined planes 91 and communicated with the guide groove 92, and the heating cavity 1a and the combustion cavity 1b are communicated through the channel 10. The two first inclined surfaces 91 and the channel 10 are inclined at an angle of 45 degrees, that is, the included angle between the two first inclined surfaces 91 is 90 degrees.

The utility model discloses put into the contained angle with bar copper 2 between two first inclined planes 91 of 90 degrees, the flame of burning chamber 1b and hot gas flow can get into heating chamber 1a from the guide way 92 of side to spread the side and the upper surface of bar copper 2, owing to set up both sides heated air flow, compare the one-way heating in bottom, the hot gas flow can not be retardant, realizes the all-round heating of bar copper 2, reduces heat loss.

In addition, the strengthening rib 11 that has linked firmly a plurality of even intervals on the passageway 10 and set up, strengthening rib 11 can promote the joint strength of copper bar frame 4, makes its non-deformable, prolongs the utility model discloses a life.

As shown in fig. 4, the flame plate 5 is provided with two flame injection structures, the two flame injection structures are respectively located in the two combustion chambers 1b, and each flame injection structure comprises two rows of first gas inlet holes 51 which are uniformly distributed, namely a first main gas inlet hole 51a capable of forming a main flame through combustion and a first auxiliary gas inlet hole 51b capable of forming an auxiliary flame through combustion; the flame plate 5 is provided with a first convex edge 52 at a position right above the first auxiliary gas inlet hole 51b, the lower end surface of the first convex edge 52 is a second inclined surface 54, and the second inclined surface 54 can guide the outer flame of the auxiliary flame into the inner flame of the main flame.

The flame is generally divided into 3 parts, namely an inner layer, a middle layer and an outer layer; or divided into a flame core, an inner flame and an outer flame, wherein the temperature of the flame is increased from inside to outside in sequence. Inner layer: a dark blue flame is called a flame core because of insufficient oxygen supply, incomplete combustion and lowest temperature. Middle layer: dark red or light yellow flame, bright and higher temperature than the inner layer, is called inner flame. Outer layer: colorless, full oxygen supply, complete combustion, highest temperature, called outer flame. The utility model discloses an innovation point is in utilizing protruding edge 52 to guide the outer flame of assisting flame to the inner flame of main flame in to improve the temperature of main flame inner flame, thereby promote rate of heating.

The utility model discloses not only can set up first protruding edge 52, still can set up the protruding edge 53 of second, as shown in fig. 5, set up the protruding edge 53 of second directly over the position of first main gas inlet port 51a, the lower terminal surface of the protruding edge 53 of second is third inclined plane 55, and third inclined plane 55 and second inclined plane 54 can be respectively with main flame and assist the central point that flame guides to passageway 10 and put.

In addition, the furnace body also comprises a gas cavity 12 positioned at the bottom of the furnace, the two combustion cavities 1b are respectively communicated with the gas cavity 12 through first gas inlet holes 51 in the two flame spraying structures, and a second gas inlet hole 13 is formed at the bottom of the gas cavity 12. The utility model can adopt liquefied petroleum gas or natural gas as fuel.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms enclosed interior, heating cavity, combustion cavity, heat shield, copper bar support, burner plate, ledge, guide slot, channel, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a red towards heating furnace for heating bar copper (2), includes the furnace body, the length of furnace body and above-mentioned bar copper (2) phase-match, its characterized in that: a plurality of closed inner cavities (1) are arranged in the furnace body along the length direction of the furnace body, and each closed inner cavity (1) comprises a heating cavity (1a) positioned at the upper part and a combustion cavity (1b) positioned at the lower part; the bottom of the combustion cavity (1b) is provided with at least one row of first gas inlet holes (51) for inputting gas into the combustion cavity (1 b); the bottom of the heating cavity (1a) is communicated with the combustion cavity (1b) and is provided with a supporting structure for supporting the copper bar (2).

2. A hot-stamping furnace as claimed in claim 1, wherein: the number of the closed inner cavities (1) is two, and the furnace body comprises a heat insulation plate (3), a copper bar rack (4), a flame spraying plate (5) and a side plate (6); the heat insulation plate (3) and the copper bar rack (4) enclose a first space, and the first space is divided into two heating cavities (1a) by a first connecting plate (7); the copper rod rack (4), the flame spraying plate (5) and the side plate (6) enclose a second space, and the second space is divided into two combustion chambers (1b) by a second connecting plate (8).

3. A hot-stamping furnace as claimed in claim 2, wherein: the copper bar rack (4) is provided with two support structures, and each support structure comprises a support part (9) and a channel (10) arranged at the bottom of the heating cavity (1 a); the supporting part (9) comprises two first inclined planes (91) for supporting the copper bar (2), and a plurality of guide grooves (92) are formed in the first inclined planes (91); the two first inclined planes (91) are obliquely arranged with the channel (10) and symmetrically arranged on two sides of the channel (10), the channel (10) is positioned below the two first inclined planes (91) and communicated with the guide groove (92), and the heating cavity (1a) and the combustion cavity (1b) are communicated through the channel (10).

4. A hot-stamping furnace as claimed in claim 3, wherein: the slotting direction of the guide groove (92) is vertical to the axial direction of the copper bar (2).

5. A hot-stamping furnace as claimed in claim 3, wherein: the inclination angle between the two first inclined planes (91) and the channel (10) is 45 degrees, namely, the included angle between the two first inclined planes (91) is 90 degrees.

6. The red punching furnace according to claim 5, wherein: the channel (10) is fixedly connected with a plurality of reinforcing ribs (11) which are uniformly arranged at intervals.

7. A hot-stamping furnace as claimed in claim 2, wherein: be equipped with two flame structures on flame projecting board (5), two flame structures are located two foretell combustion chamber (1b) respectively, the flame structure includes two rows of evenly distributed's above-mentioned first gas inlet port (51), is respectively for can burning the first main gas inlet port (51a) that forms main flame and can burn the first gas inlet port (51b) of assisting that forms auxiliary flame.

8. The red punching furnace according to claim 7, wherein: the flame plate (5) is provided with a first convex edge (52) at a position right above the first auxiliary gas inlet hole (51b), the lower end surface of the first convex edge (52) is a second inclined surface (54), and the second inclined surface (54) can guide the outer flame of the auxiliary flame into the inner flame of the main flame.

9. The red punching furnace according to claim 7, wherein: a first convex edge (52) is arranged on the position, right above the first auxiliary gas inlet hole (51b), of the flame plate (5), and the lower end face of the first convex edge (52) is a second inclined plane (54); the flame-throwing plate (5) is provided with a second convex edge (53) at a position right above the first main gas inlet hole (51a), the lower end surface of the second convex edge (53) is a third inclined surface (55), and the third inclined surface (55) and the second inclined surface (54) can respectively guide main flames and auxiliary flames to the central position of the channel (10).

10. A hot-stamping furnace as claimed in claim 2, wherein: the furnace body further comprises a gas cavity (12) positioned at the bottom of the furnace, the two combustion cavities (1b) are communicated with the gas cavity (12) through first gas inlet holes (51) in the two flame spraying structures respectively, and a second gas inlet hole (13) is formed in the bottom of the gas cavity (12).