CN212585497U

CN212585497U - Industrial furnace mouth sealing device

Info

Publication number: CN212585497U
Application number: CN202020937116.9U
Authority: CN
Inventors: 毛志强
Original assignee: Suzhou Industrial Park Zhenxing Electric Furnace Co ltd
Current assignee: Suzhou Industrial Park Zhenxing Electric Furnace Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-02-23
Anticipated expiration: 2030-05-28

Abstract

The utility model belongs to the technical field of industrial furnace sealing equipment, especially, be an industrial furnace mouth sealing device, to the relatively poor problem that leads to the energy extravagant and cause the influence to heat treatment quality of current industrial furnace mouth leakproofness, the following scheme is proposed at present, and it includes the furnace body, the through-hole has all been seted up at furnace body top two, and equal fixed mounting has bellows in two through-holes, and vertical hole has all been seted up at two bellows tops, and two vertical downthehole all rotate and install the vertical axis, and the equal fixed mounting in two vertical axis bottoms has the flabellum, and one side fixed mounting that two bellows are close to each other has same diaphragm, and the mounting hole has been seted up at the diaphragm top, and the connecting axle is installed in the mounting hole, and the equal fixed mounting. The utility model has the advantages of reasonable design, through deriving the hot-air in the industrial furnace and forming the air curtain in industrial furnace business turn over material mouthful department, completely cut off the cold air in the industrial furnace outside in the outside to guarantee the leakproofness of industrial furnace.

Description

Industrial furnace mouth sealing device

Technical Field

The utility model relates to an industrial furnace sealing equipment technical field especially relates to an industrial furnace fire door sealing device.

Background

Industrial furnaces are thermal devices that heat materials or workpieces by using heat generated by burning fuel or converting electric energy in industrial production. In a continuous heat treatment production line of an industrial furnace, workpieces to be heat treated are continuously conveyed into a hearth of the industrial furnace from a feeding hole by a conveying device for heating. Therefore, the heat and the protective atmosphere in the hearth are inevitably continuously lost.

The sealing effect of the furnace mouth of the existing industrial furnace is poor, so that the space above the feeding hole is lost, and the energy waste is caused; in the feeding process, cold air can enter a heating furnace chamber at the same time, so that the components of protective atmosphere in the furnace, such as nitrogen, nitrogen-based atmosphere and the like, are influenced, the surface protection and carburization effects of metal products are influenced, and the heat treatment quality of the metal products is finally influenced, so that the industrial furnace mouth sealing device is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects of energy waste and influence on the heat treatment quality caused by poor sealing performance of the furnace mouth of the existing industrial furnace and providing a sealing device of the furnace mouth of the industrial furnace.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a sealing device for a furnace mouth of an industrial furnace comprises a furnace body, wherein through holes are respectively formed in the top of the furnace body, air boxes are fixedly arranged in the two through holes, vertical holes are respectively formed in the tops of the two air boxes, vertical shafts are respectively and rotatably arranged in the two vertical holes, fan blades are respectively and fixedly arranged at the bottom ends of the two vertical shafts, one side, close to each other, of each air box is fixedly provided with a horizontal plate, an installation hole is formed in the top of the horizontal plate, a connecting shaft is rotatably arranged in the installation hole, belt wheels are respectively and fixedly arranged at the top ends of the connecting shaft and the two vertical shafts, a same belt is rotatably arranged on the three belt wheels, a rotating shaft is respectively and rotatably arranged between the front inner wall and the rear inner wall of each air box, wind wheels are respectively and fixedly arranged on the two, the rotary furnace comprises a furnace body, a connecting shaft, two rotating shafts, a conveying motor, a chain wheel, a conveying motor output shaft, a conveying motor, a conveying shaft front end, a chain wheel and a chain, wherein the bottom end of the connecting shaft and the rear ends of the two rotating shafts are fixedly provided with driven bevel gears, the three driven bevel gears are respectively meshed with corresponding driving bevel gears, the two sides of the furnace body are respectively provided with a feeding port and a discharging port and are fixedly provided with two connecting plates, one side, close to each other, of the two connecting plates on the same side is rotatably provided with the.

Preferably, air deflectors are fixedly mounted on the inner walls of the two sides of the two air boxes respectively, and the four air deflectors are arc-shaped and guide hot air in the air boxes so as to reduce wind resistance.

Preferably, two vertical axis outside all fixed sleeves are equipped with spacing axle sleeve, two spacing axle sleeves all with the bellows top swing joint that corresponds, carry on spacingly to two vertical axes.

Preferably, a positioning plate is fixedly mounted on the rear side of the top of the furnace body, and the positioning plate is rotatably sleeved on the outer side of the cross shaft to support and position the cross shaft.

Preferably, the connecting shaft is fixedly provided with a baffle, and the baffle is movably connected with the top of the transverse plate to limit the connecting shaft.

Preferably, the top of the furnace body is provided with two air inlets communicated with corresponding air boxes, and the two fan blades are respectively arranged in the two air inlets, so that the installation of the fan blades and the hot air in the furnace body can conveniently enter the air boxes.

In the utility model, the industrial furnace mouth sealing device is characterized in that a workpiece is placed on a conveying belt, a conveying motor and a driving motor are started, an output shaft of the conveying motor drives a driving shaft to rotate through transmission between two chain wheels, and the driving shaft drives the conveying belt to run through the conveying roller, so that the workpiece is brought into a furnace body to be heated and the like;

in the utility model, the sealing device for the furnace mouth of the industrial furnace drives the cross shaft to rotate through the output shaft of the driving motor, the cross shaft drives the connecting shaft and the two rotating shafts to rotate through the transmission between the driving bevel gear and the driven bevel gear, the connecting shaft drives the two vertical shafts to rotate through the transmission between the three belt pulleys, the two vertical shafts respectively drive the corresponding fan blades, so that the hot air in the furnace body is guided into the two bellows, the two rotating shafts drive the two wind wheels to rotate in opposite directions, thereby enabling the hot air to travel an air curtain inside the bellows, isolating the feed port and the discharge port of the furnace body, enabling the external cold air not to enter the inside of the furnace body, and preventing the internal protective gas from scattering;

the utility model has the advantages of reasonable design, through deriving the hot-air in the industrial furnace and forming the air curtain in industrial furnace business turn over material mouthful department, completely cut off the cold air in the industrial furnace outside in the outside to guarantee the leakproofness of industrial furnace, the reliability is high.

Drawings

FIG. 1 is a schematic structural view of a sealing device for a furnace mouth of an industrial furnace according to the present invention;

FIG. 2 is a schematic structural view of part A of a sealing device for a furnace mouth of an industrial furnace according to the present invention;

fig. 3 is a top view of the sealing device for the furnace mouth of the industrial furnace provided by the utility model.

In the figure: 1. a furnace body; 2. an air box; 3. a vertical axis; 4. a fan blade; 5. a transverse plate; 6. a connecting shaft; 7. a pulley; 8. a rotating shaft; 9. a wind wheel; 10. a drive motor; 11. a horizontal axis; 12. a drive bevel gear; 13. a driven bevel gear; 14. positioning a plate; 15. an air deflector; 16. a connecting plate; 17. a drive shaft; 18. a conveying roller; 19. a conveying motor; 20. a sprocket; 21. a limiting shaft sleeve; 22. a baffle plate; 23. and an air inlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, an industrial furnace mouth sealing device comprises a furnace body 1, through holes are respectively formed at the top of the furnace body 1, air boxes 2 are fixedly arranged in the two through holes, vertical holes are respectively formed at the tops of the two air boxes 2, vertical shafts 3 are respectively and rotatably arranged in the two vertical holes, fan blades 4 are respectively and fixedly arranged at the bottom ends of the two vertical shafts 3, a same transverse plate 5 is fixedly arranged at one side of the two air boxes 2 close to each other, a mounting hole is formed at the top of the transverse plate 5, a connecting shaft 6 is rotatably arranged in the mounting hole, belt wheels 7 are respectively and fixedly arranged at the top ends of the connecting shaft 6 and the two vertical shafts 3, a same belt is rotatably arranged on the three belt wheels 7, rotating shafts 8 are respectively and rotatably arranged between the inner walls at the front side and the back side of the two air boxes 2, wind wheels 9 are respectively and fixedly arranged, fixed mounting has three drive bevel gear 12 on the cross axle 11, the equal fixed mounting in 6 bottoms of connecting axle and two 8 rear ends of pivot has driven bevel gear 13, three driven bevel gear 13 meshes with corresponding drive bevel gear 12 respectively, feed inlet and discharge gate and fixed mounting have two connecting plates 16 respectively have been seted up to furnace body 1 both sides, it installs same drive shaft 17 to lie in the rotation of one side that two connecting plates 16 that are close to each other with one side, equal fixed mounting has conveying roller 18 on two drive shafts 17, the same conveyer belt has been installed in the transmission on two conveying roller 18, furnace body 1 one side bottom fixed mounting has conveyor motor 19, equal fixed mounting has sprocket 20 on a drive shaft 17 front end in two drive shafts 17 and the conveyor motor 19 output shaft, the transmission is installed same chain on two sprockets 20.

The utility model discloses in, equal fixed mounting has aviation baffle 15 on two 2 both sides inner walls of bellows, and four aviation baffles 15 all set up to circular-arcly, thereby reduce the windage to 2 hot air of bellows lead.

The utility model discloses in, two equal fixed sleeves in the 3 outsides of vertical axis are equipped with spacing axle sleeve 21, and two spacing axle sleeve 21 all with 2 top swing joint of bellows that correspond carry on spacingly to two vertical axes 3.

The utility model discloses in, 1 top rear side fixed mounting of furnace body has locating plate 14, and locating plate 14 rotates the cover and establishes in the 11 outsides of cross axle, supports the location to cross axle 11.

The utility model discloses in, fixed mounting has baffle 22 on the connecting axle 6, and baffle 22 and 5 top swing joint of diaphragm carry on spacingly to connecting axle 6.

The utility model discloses in, two air intakes 23 with corresponding bellows 2 intercommunication are seted up at 1 top of furnace body, and two flabellum 4 set up respectively in two air intakes 23, and the installation of the flabellum 4 of being convenient for and 1 hot air of furnace body get into in bellows 2.

In the utility model, when in use, the workpiece is placed on the conveyor belt and the conveyor motor 19 and the driving motor 10 are started, the output shaft of the conveyor motor 19 drives the driving shaft 17 to rotate through the transmission between the two chain wheels 20, the driving shaft 17 drives the conveyor belt to operate through the conveying roller 18, thereby bringing the workpiece into the furnace body 1, heating and other operations are carried out, meanwhile, the output shaft of the driving motor 10 drives the cross shaft 11 to rotate, the cross shaft 11 drives the connecting shaft 6 and the two rotating shafts 8 to rotate through the transmission between the driving bevel gear 12 and the driven bevel gear 13, the connecting shaft 6 drives the two vertical shafts 3 to rotate through the transmission between the three belt wheels 7, the two vertical shafts 3 respectively drive the corresponding fan blades 4, thereby leading the hot air in the furnace body 1 into the two air boxes 2, the two rotating shafts 8 drive the two wind wheels 9 to rotate towards opposite directions, thereby leading the hot air to the, the feed inlet and the discharge outlet of the furnace body 1 are isolated, so that external cold air cannot enter the furnace body 1, and the protective gas in the furnace body cannot dissipate.

Claims

1. The utility model provides an industrial furnace fire door sealing device, which comprises a furnace body (1) and is characterized in that, through-holes are all seted up at furnace body (1) top two, equal fixed mounting has bellows (2) in two through-holes, vertical hole has all been seted up at two bellows (2) tops, vertical shaft (3) are all installed in two vertical holes rotation, equal fixed mounting has flabellum (4) in two vertical shaft (3) bottoms, one side fixed mounting that two bellows (2) are close to each other has same diaphragm (5), the mounting hole has been seted up at diaphragm (5) top, install connecting axle (6) in the mounting hole rotation, equal fixed mounting has band pulley (7) at connecting axle (6) and two vertical shaft (3) tops, the same belt is installed in the transmission on three band pulley (7), all rotate between two bellows (2) front and back both sides inner wall and install pivot (8), all fixed mounting has wind wheel (9, a driving motor (10) is fixedly installed on one side of the top of the furnace body (1), one end of a transverse shaft (11) is fixedly connected onto an output shaft of the driving motor (10), three driving bevel gears (12) are fixedly installed on the transverse shaft (11), driven bevel gears (13) are fixedly installed at the bottom end of a connecting shaft (6) and the rear ends of two rotating shafts (8), the three driven bevel gears (13) are respectively meshed with the corresponding driving bevel gears (12), a feeding port and a discharging port are respectively formed in two sides of the furnace body (1), two connecting plates (16) are fixedly installed on the two sides of the furnace body (1), one side, close to each other, of the two connecting plates (16) on the same side is rotatably installed with the same driving shaft (17), conveying rollers (18) are fixedly installed on the two driving rollers (18), the same conveying belt is installed on the two, chain wheels (20) are fixedly mounted at the front end of one driving shaft (17) of the two driving shafts (17) and an output shaft of the conveying motor (19), and the two chain wheels (20) are provided with the same chain in a transmission manner.

2. The sealing device for the furnace mouth of the industrial furnace according to claim 1, wherein air deflectors (15) are fixedly arranged on the inner walls of both sides of the two air boxes (2), and four air deflectors (15) are arranged in an arc shape.

3. The sealing device for the furnace mouth of the industrial furnace according to the claim 1, characterized in that the outer sides of the two vertical shafts (3) are fixedly sleeved with limiting shaft sleeves (21), and the two limiting shaft sleeves (21) are movably connected with the tops of the corresponding air boxes (2).

4. The sealing device for the furnace mouth of the industrial furnace according to the claim 1, characterized in that a positioning plate (14) is fixedly arranged at the rear side of the top of the furnace body (1), and the positioning plate (14) is rotatably sleeved outside the transverse shaft (11).

5. The sealing device for the furnace mouth of the industrial furnace according to the claim 1, characterized in that a baffle plate (22) is fixedly arranged on the connecting shaft (6), and the baffle plate (22) is movably connected with the top of the transverse plate (5).

6. The sealing device for the furnace mouth of the industrial furnace according to claim 1, wherein the top of the furnace body (1) is provided with two air inlets (23) communicated with the corresponding air boxes (2), and the two fan blades (4) are respectively arranged in the two air inlets (23).