Exhaust assembly for heat dissipation of tempering furnace

Abstract

The utility model relates to an exhaust component for heat dissipation of a tempering furnace, which is applied to the technical field of smoke and hot gas emission and solves the problems that high-temperature hot gas damages a component structure above the tempering furnace, dust and impurities are easy to accumulate in a hot gas valve, and the heat dissipation efficiency is high when the hot gas is generally discharged upwards in a direct rushing manner. The hot air valve comprises an exhaust pipe, a rotating plate piece and a driving piece, and further comprises a hot air flow guiding piece arranged at the outlet end of the exhaust pipe, the hot air flow guiding piece comprises a shielding cap and a flow guiding plate, the shielding cap is arranged above the outlet end of the exhaust pipe through a supporting piece, and the flow guiding plate is arranged above the shielding cap. The drainage plate is arranged in the circumferential direction of the outer edge face of the outlet end of the exhaust pipe. The device has the advantages that hot air is prevented from directly rushing and damaging other structural components above the tempering furnace, the protection effect is achieved, the blocking effect can be achieved, dust and impurities are prevented from being scattered into the rotating plate piece, and it is guaranteed that the exhaust assembly can work normally.

Description

TECHNICAL FIELD

[0001] The utility model discloses the application is in flue gas, hot gas discharging technical field, especially relates to a backfire stove heat dissipation exhaust component. BACKGROUND

[0002] The backfire stove is used for the tempering of general metal parts in air and the quenching, annealing and aging heat treatment of light alloy parts such as aluminum alloy die castings, pistons and aluminum plates. When the backfire stove is working, it needs to be exhausted and cooled if the temperature inside is higher than the set temperature. Because there are a lot of dust and impurities in the working environment, a hot gas valve cooperating with the heat dissipation pipe of the backfire stove is usually arranged on the backfire stove. When the existing hot gas valve discharges hot gas, the hot gas is usually discharged straight upward, which may cause damage to the components above the backfire stove due to high-temperature hot gas, and dust and impurities are easy to accumulate in the hot gas valve, so that the flap in the hot gas valve is not easy to open, affecting normal work. CONTENT OF THE UTILITY MODEL

[0003] The utility model discloses a backfire stove heat dissipation exhaust component, which solves the problem that hot gas is usually discharged straight upward, which may cause damage to the components above the backfire stove due to high-temperature hot gas, and dust and impurities are easy to accumulate in the hot gas valve, so that the flap in the hot gas valve is not easy to open, affecting normal work.

[0004] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of:

[0005] The utility model discloses a backfire stove heat dissipation exhaust component, which solves the problem that hot gas is usually discharged straight upward, which may cause damage to the components above the backfire stove due to high-temperature hot gas, and dust and impurities are easy to accumulate in the hot gas valve, so that the flap in the hot gas valve is not easy to open, affecting normal work.

[0006] Further, the number of the support pieces is multiple and uniformly distributed on the upper end surface of the exhaust pipe, the support piece includes a support screw rod and at least two fixed nuts screwed on the support screw rod, and the shielding cap is provided with a through hole for the support screw rod to pass through.

[0007] Further, the rotating plate member comprises a rotating plate body and a rotating shaft, the shape of the rotating plate body is matched with the shape of the exhaust port of the exhaust pipe, a connecting hole is arranged on the rotating plate body and matched with the rotating shaft, the connecting hole penetrates along the length direction of the rotating plate body, and the two ends of the rotating shaft are rotationally connected on the inner wall of the exhaust pipe, and one end of the rotating shaft extends out of the exhaust pipe and is connected with the driving assembly.

[0008] Further, one end of the rotating shaft extending out of the exhaust pipe is rotationally connected in the exhaust pipe through a bearing member, the bearing member comprises a bearing and a bearing end cover, a sink for placing the bearing is arranged in the outer wall of the exhaust pipe, the bearing end cover is fixed on the opening end of the sink through bolts, a rotating hole is arranged on the inner wall of the exhaust pipe and matched with the other end of the rotating shaft, and the other end of the rotating shaft is rotationally connected in the rotating hole.

[0009] Further, a protrusion is arranged on the outer edge surface of the end of the rotating shaft in the exhaust pipe and close to the bearing, a groove matched with the protrusion is arranged on the inner wall of the connecting hole, and the groove extends outward along the length of the connecting hole to the outer side surface of the exhaust pipe.

[0010] Further, the two side surfaces of the rotating plate body in the width direction are arranged in a rounded corner mode, a stepped surface matched with the rounded corner side surface of the rotating plate body is arranged on the inner wall of the exhaust pipe, and the bent part of the stepped surface is also arranged in a rounded corner mode.

[0011] Further, the driving member comprises a driving seat, a driving cylinder hingedly connected on the driving seat and a three-link member, one end of the three-link member is hingedly connected with the telescopic end of the driving cylinder, and the other end of the three-link member is connected with the rotating shaft through a connecting shaft.

[0012] By using the above technical scheme, the utility model has the following advantages compared with the prior art:

[0013] The exhaust assembly for heat dissipation of the tempering furnace has the following advantages: when the tempering furnace is heat-dissipated and exhausts, the hot gas directly upward is blocked and changed direction by the blocking cap, and the hot gas is discharged from the periphery of the exhaust pipe outlet under the action of the blocking cap and the flow guide plate, so that the guiding and flow guiding effects are achieved, the hot gas directly upward is prevented from damaging other structural parts above the tempering furnace, the protection effect is achieved, the blocking effect is also achieved, dust and impurities are prevented from falling into the rotating plate member, and the normal working of the exhaust assembly is ensured.

[0014] Further, one end of the rotating shaft is rotatably connected to the exhaust pipe through a bearing, and the other end of the rotating shaft is rotatably connected to the exhaust pipe through a rotating hole. The rotating plate is flexible during rotation. When the rotating plate is corroded and damaged after long-term work, the structure facilitates the disassembly and replacement of the rotating plate.

[0015] Further, a protrusion is arranged on the outer edge surface of the end of the rotating shaft close to the bearing, and a groove matched with the protrusion is arranged on the inner wall of the connecting hole. The groove is open on the side close to the bearing. When the driving assembly drives the rotating shaft to rotate, the synchronous rotation of the rotating plate body and the rotating shaft can be ensured through the cooperation of the protrusion and the groove. In addition, the protrusion and the groove can also play a positioning role. When installing, the other end of the rotating shaft can be accurately rotatably connected to the rotating hole through the cooperation of the protrusion and the groove. BRIEF DESCRIPTION OF DRAWINGS

[0016] Some specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. The same reference signs in the drawings represent the same or similar components or parts. Those skilled in the art should understand that the drawings are not necessarily drawn to scale. In the drawings:

[0017] Figure 1 is a schematic view of the overall structure in the preferred embodiment of the present application;

[0018] Figure 2 is a schematic view of the overall structure without a shielding cap in the preferred embodiment of the present application;

[0019] Figure 3 is a schematic view of the structure of the exhaust pipe in the open state in the preferred embodiment of the present application;

[0020] Figure 4 is a schematic view of the structure of the exhaust pipe in the closed state in the preferred embodiment of the present application;

[0021] Figure 5 is a sectional view of the cooperation between the exhaust pipe and the rotating plate in the preferred embodiment of the present application;

[0022] Figure 6 is Figure 5 is an enlarged view of A in

[0023] Figure 7 is a schematic view of the structure of the driving member in the preferred embodiment of the present application.

[0024] In the drawings, the reference signs are explained as follows:

[0025] 1, exhaust pipe;

[0026] 2, rotating plate; 21, rotating plate body; 22, rotating shaft;

[0027] 3. driving member; 31. driving seat; 32. driving cylinder; 33. three-link member;

[0028] 4. hot air guiding member; 41. shielding cap; 42. guiding plate;

[0029] 5. supporting member; 51. supporting screw rod; 52. fixing nut;

[0030] 7. stepped surface;

[0031] 8. connecting hole;

[0032] 9. bearing member; 91. bearing; 92. bearing end cover; 93. sink;

[0033] 10. rotating hole;

[0034] 11. protrusion;

[0035] 12. recess. DETAILED DESCRIPTION

[0036] The technical solutions of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0037] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0038] In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as there is no conflict.

[0039] Reference Figures 1-4The utility model provides a kind of exhaust component for annealing furnace heat dissipation, including the exhaust pipe 1 being connected with annealing furnace heat dissipation pipe, rotating plate piece 2 and driving element 3, rotating plate piece 2 is rotatably connected in exhaust pipe 1, and driving element 3 is used to drive rotating plate piece 2 rotation and realizes the opening and closing of the exhaust pipe 1;It further includes the hot gas flow guide piece 4 being arranged at the outlet end of exhaust pipe 1, and the hot gas flow guide piece 4 includes shielding cap 41 and drainage plate 42, shielding cap 41 is arranged above the outlet end of exhaust pipe 1 by support 5, and drainage plate 42 is circumferentially arranged along the outer edge surface of the outlet end of exhaust pipe 1.When the temperature in annealing furnace is higher than set temperature and needs heat dissipation cooling, the heat dissipation pipe in annealing furnace is opened, and thereafter hot gas flows from heat dissipation pipe to exhaust pipe 1, and when hot gas is discharged from the outlet of exhaust pipe 1, shielding cap 41 is blocked to the hot gas straightly rushing upwards and is reversed, and under the action of shielding cap 41 and drainage plate 42, hot gas is discharged from the periphery of the outlet of exhaust pipe 1, to play the role of guiding and draining, avoid hot gas straightly rushing and damaging other structural components above annealing furnace, and play the role of protecting other structural components above annealing furnace.Moreover, it can also play the role of blocking, avoid dust and impurities scattering into rotating plate assembly 2 and causing blockage, to ensure that the exhaust component can work normally.

[0040] Reference Figures 1-4 The number of support 5 is multiple and uniformly distributed on the upper end surface of exhaust pipe 1, and support 5 includes support lead screw 51 and at least two fixed nuts 52 being threadedly connected on support lead screw 51, shielding cap 41 is provided with through hole for support lead screw 51 to pass through, when shielding cap 41 is fixed by the support 5, two fixed nuts 52 are distributed on the upper and lower end surfaces of shielding cap 41 to play the role of supporting and fixing;The support 5 of this structure can adjust the height of shielding cap 41, and then the speed of hot gas discharge can be adjusted, to improve heat dissipation efficiency.

[0041] Reference Figures 1-4, the rotating shaft 22 is rotatably connected to the inner wall of the exhaust pipe 1 through a bearing 9, the bearing 9 comprises a bearing 91 and a bearing end cover 92, a recessed groove 93 for placing the bearing 91 is arranged on the outer side wall of the exhaust pipe 1, the recessed groove 93 is coaxially arranged and communicated with the hole through which the rotating shaft 22 extends, the inner diameter of the recessed groove 93 is larger than the diameter of the hole through which the rotating shaft 22 extends, and the bearing end cover 92 is fixed to the opening end of the recessed groove 93 through bolts. A rotating hole 10 is arranged on the inner wall of the exhaust pipe 1 corresponding to the other end of the rotating shaft 22, the rotating hole 10 is a blind hole, and the other end of the rotating shaft 22 is rotatably connected to the rotating hole 10. Through the structure, the rotating plate 2 is flexible when rotating, and the rotating plate 2 can be easily disassembled and replaced when it is corroded and damaged after long-term work. When replacing, the bearing end cover 92 is opened, the bearing 91 and the rotating shaft 22 matched with the bearing 91 are pulled out, and the disassembly is completed.

[0042] Reference Figure 5 and Figure 6 , the rotating shaft 22 is rotatably connected to the inner wall of the exhaust pipe 1 through a bearing 9, the bearing 9 comprises a bearing 91 and a bearing end cover 92, a recessed groove 93 for placing the bearing 91 is arranged on the outer side wall of the exhaust pipe 1, the recessed groove 93 is coaxially arranged and communicated with the hole through which the rotating shaft 22 extends, the inner diameter of the recessed groove 93 is larger than the diameter of the hole through which the rotating shaft 22 extends, and the bearing end cover 92 is fixed to the opening end of the recessed groove 93 through bolts. A rotating hole 10 is arranged on the inner wall of the exhaust pipe 1 corresponding to the other end of the rotating shaft 22, the rotating hole 10 is a blind hole, and the other end of the rotating shaft 22 is rotatably connected to the rotating hole 10. Through the structure, the rotating plate 2 is flexible when rotating, and the rotating plate 2 can be easily disassembled and replaced when it is corroded and damaged after long-term work. When replacing, the bearing end cover 92 is opened, the bearing 91 and the rotating shaft 22 matched with the bearing 91 are pulled out, and the disassembly is completed.

[0043] Reference Figure 5 and Figure 6 , the rotating shaft 22 is rotatably connected to the inner wall of the exhaust pipe 1 through a bearing 9, the bearing 9 comprises a bearing 91 and a bearing end cover 92, a recessed groove 93 for placing the bearing 91 is arranged on the outer side wall of the exhaust pipe 1, the recessed groove 93 is coaxially arranged and communicated with the hole through which the rotating shaft 22 extends, the inner diameter of the recessed groove 93 is larger than the diameter of the hole through which the rotating shaft 22 extends, and the bearing end cover 92 is fixed to the opening end of the recessed groove 93 through bolts. A rotating hole 10 is arranged on the inner wall of the exhaust pipe 1 corresponding to the other end of the rotating shaft 22, the rotating hole 10 is a blind hole, and the other end of the rotating shaft 22 is rotatably connected to the rotating hole 10. Through the structure, the rotating plate 2 is flexible when rotating, and the rotating plate 2 can be easily disassembled and replaced when it is corroded and damaged after long-term work. When replacing, the bearing end cover 92 is opened, the bearing 91 and the rotating shaft 22 matched with the bearing 91 are pulled out, and the disassembly is completed.

[0044] Reference Figure 7 The driving member 3 comprises a driving base 31, a driving cylinder 32 hinged on the driving base 31, and a three-link member 33, one end of which is hinged with the telescopic end of the driving cylinder 32, and the other end of which is connected with the rotating shaft 22 through a connecting shaft. The driving member 3 has simple structure, is convenient to manufacture and has low manufacturing cost, and any damaged component can be conveniently and quickly replaced.

[0045] In summary, when the annealing furnace is radiating and exhausting, the hot gas directly upward is blocked and changed direction by the blocking cap 41, and the hot gas is discharged from the periphery of the outlet of the exhaust pipe 1 under the action of the blocking cap 41 and the flow guide plate 42, thereby playing a role of guiding and flowing, avoiding the hot gas from directly damaging other structural components above the annealing furnace, and playing a role of protecting other structural components above the annealing furnace.

[0046] The above embodiments are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made according to the spirit and essence of the present application shall be covered within the protection scope of the present application.

Claims

1. A kind of exhaust assembly for tempering furnace heat dissipation, including exhaust pipe (1) with the connection of tempering furnace heat dissipation pipe, rotating plate member (2) and driving member (3), the rotating plate member (2) is rotationally connected in the exhaust pipe (1), the driving member (3) is used to drive the rotating plate member (2) rotation and realizes the opening and closing of the exhaust pipe (1);It is characterized in that, Further comprising a hot gas guide (4) arranged at the outlet end of the exhaust pipe (1), the hot gas guide (4) comprises a shielding cap (41) and a flow guide plate (42), the shielding cap (41) is arranged above the outlet end of the exhaust pipe (1) by a support (5), and the flow guide plate (42) is arranged circumferentially along the outer edge surface of the outlet end of the exhaust pipe (1).

2. The tempering furnace exhaust assembly for heat dissipation according to claim 1, wherein, The number of the support (5) is arranged to be multiple and uniformly distributed on the upper end surface of the exhaust pipe (1), the support (5) comprises a support screw rod (51) and at least two fixed nuts (52) screwed on the support screw rod (51), and the shielding cap (41) is provided with a through hole for the support screw rod (51) to pass through.

3. The tempering furnace exhaust assembly for heat dissipation according to claim 1 or 2, characterized in that, The rotating plate member (2) comprises a rotating plate body (21) and a rotating shaft (22), the shape of the rotating plate body (21) is matched with the shape of the exhaust port of the exhaust pipe (1), the rotating plate body (21) is provided with a connecting hole (8) matched with the rotating shaft (22), the connecting hole (8) penetrates along the length direction of the rotating plate body (21), and the two ends of the rotating shaft (22) are rotatably connected to the inner wall of the exhaust pipe (1), one end of the rotating shaft (22) extends out of the exhaust pipe (1) and is connected with the driving member (3).

4. The tempering furnace exhaust assembly for heat dissipation of claim 3, wherein, The end of the rotating shaft (22) extending out of the exhaust pipe (1) is rotatably connected in the exhaust pipe (1) through a bearing member (9), the bearing member (9) comprises a bearing (91) and a bearing end cover (92), a recessed groove (93) for placing the bearing (91) is arranged in the outer side wall of the exhaust pipe (1), the bearing end cover (92) is fixed by bolts at the opening end of the recessed groove (93), and a rotating hole (10) is arranged on the inner wall of the exhaust pipe (1) at a position corresponding to the other end of the rotating shaft (22), and the other end of the rotating shaft (22) is rotatably connected in the rotating hole (10).

5. The tempering furnace exhaust assembly for heat dissipation of claim 4, wherein, A protruding block (11) is arranged on the outer edge surface of the end of the rotating shaft (22) located in the exhaust pipe (1) and close to the bearing (91), a recess (12) matched with the protruding block (11) is arranged on the inner wall of the connecting hole (8), and the recess (12) extends outward along the length direction of the connecting hole (8) to the outer side surface of the exhaust pipe (1).

6. The tempering furnace exhaust assembly for heat dissipation according to claim 4 or 5, characterized in that, The two side surfaces of the rotating plate body (21) in the width direction are both arranged with rounded corners, a stepped surface (7) matched with the rounded corner side surface of the rotating plate body (21) is arranged on the inner wall of the exhaust pipe (1), and the bent part of the stepped surface (7) is also arranged with a rounded corner.

7. The tempering furnace exhaust assembly for heat dissipation of claim 6, wherein, The driving member (3) comprises a driving seat (31), a driving cylinder (32) hinged on the driving seat (31), and a three-link member (33), one end of the three-link member (33) is hinged with the telescopic end of the driving cylinder (32), and the other end of the three-link member (33) is connected with the rotating shaft (22) through a coupling.

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