CN217265861U

CN217265861U - Sealing device of bright annealing furnace

Info

Publication number: CN217265861U
Application number: CN202220813771.2U
Authority: CN
Inventors: 王吉珍; 周凤友
Original assignee: Shijiazhuang Jinlan Industry Furnace Co ltd
Current assignee: Shijiazhuang Jinlan Industry Furnace Co ltd
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2022-08-23
Anticipated expiration: 2032-04-08

Abstract

The utility model discloses an obturator of bright annealing stove, including framework and sealing door, two sliding blocks of swing joint in the framework, two fixedly connected with dwang between the sliding block, the bottom through connection dwang of sealing door, the sealed end of sealing door is provided with the return groove, bolted connection has two fixed plates in the sealing door, the inside packing of sealing door has resistant firebrick, resistant firebrick is fixed through two fixed plates, swing joint has the mounting panel in the framework, one side swing joint of mounting panel has two hydraulic stems, the utility model relates to an obturator technical field. The sealing device of the bright annealing furnace solves the problems that the sealing device is simple in structure, the sealing of a common vertical sealing structure is not tight enough, the sealing area is small, the temperature in the furnace body is not easy to maintain constant, and the temperature change near a furnace opening is obvious.

Description

Sealing device of bright annealing furnace

Technical Field

The utility model relates to the technical field of an airtight device, in particular to an airtight device of a bright annealing furnace.

Background

The heat treatment furnace is divided into an annealing furnace, a quenching furnace, a tempering furnace, a normalizing furnace and a tempering furnace, and is mainly used for large-scale carbon steel, the annealing furnace is novel heat exchange equipment, an opening part of the annealing furnace needs to be sealed when the annealing furnace is used, and the temperature in the annealing furnace is ensured to be constant, but the sealing device of the existing annealing furnace has a simple structure, the common vertical sealing structure is not sealed tightly enough, the sealing area is small, the temperature in the furnace body is not easy to maintain to be constant, and the temperature change near the furnace opening is obvious.

Disclosure of Invention

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a sealing device of bright annealing stove has solved sealing device simple structure, and ordinary perpendicular seal structure is sealed tight inadequately, and sealing area is less, and the furnace body internal temperature is difficult for maintaining invariable, the obvious problem of temperature transform near the fire door.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a sealing device of a bright annealing furnace comprises a frame body and a sealing door, wherein two sliding blocks are movably connected on the frame body, a rotating rod is fixedly connected between the two sliding blocks, the bottom end of the sealing door is connected with the rotating rod in a penetrating way, a return groove is arranged at the sealing end of the sealing door, two fixing plates are bolted and connected in the sealing door, refractory bricks are filled in the sealing door and fixed through the two fixing plates, a mounting plate is movably connected on the frame body, two hydraulic rods are movably connected on one side of the mounting plate, the telescopic ends of the hydraulic rods are movably connected on one side of the sealing door, a motor is fixedly connected at the upper end of the frame body, the output end of the motor is connected with a rotating shaft which is movably connected at the upper end of the frame body, two reels are connected on the rotating shaft, and steel cables are connected on the reels, one end of the steel cable is connected to the upper end of the mounting plate.

Preferably, the two sliding blocks are arranged on the same horizontal plane, and the rotating rod is arranged at the center of the two sliding blocks.

Preferably, the dwang is stainless steel material preparation, inside cavity setting that is of dwang.

Preferably, the circular groove is shaped like a Chinese character 'hui', and the circular groove and the clamping end of the sealing door are concentrically arranged.

Preferably, the two steel cables are symmetrically arranged on two sides of the mounting plate, and the two steel cables are arranged on the same horizontal plane.

Preferably, the bottom of the frame body is fixedly connected with a bottom plate, the bottom plate is provided with two clamping holes, and the bottom of the sealing door is fixedly connected with two clamping pins.

Preferably, the clamping end of the clamping pin is arc-shaped, and the depth of the clamping hole is greater than the height of the clamping pin.

Preferably, one side of the frame body is provided with a mounting groove, a limit switch is mounted inside the mounting groove, and the height of the limit switch is greater than the depth of the mounting groove.

(III) advantageous effects

The utility model provides a sealing device of a bright annealing furnace. The method has the following beneficial effects:

(1) the utility model discloses a two sliding blocks of swing joint in the framework, carry out the connection of rotating rod through two sliding blocks, the dwang carries out the swing joint of sealing door bottom and connects, be provided with the return groove of returning the shape in one side of sealing door, it is sealed with the fire door joint of contradicting through returning the groove, sealed area is big, guarantee sealed effect, guarantee the invariant of fire door temperature, the inside packing of sealing door has resistant firebrick, insulate against heat through resistant firebrick, thermal-insulated effectual, pass through two hydraulic stem swing joint sealing doors in the one end of mounting panel, when the sealing door moves down, the sealing door is in the tilt state, just when the fire door is to the fire door, contradict the sealing door through two hydraulic stems, let sealing door and fire door in close contact with, guarantee sealed effect.

(2) The utility model discloses a be provided with two screens holes on the bottom plate, it is spacing to carry out one end through screens hole cooperation bayonet lock, let the hydraulic stem of one side stably compress tightly, it is downthehole that the arc end on the bayonet lock is convenient for go into the screens, carry out limit switch's installation through the mounting groove in one side of framework, the sliding block is when vertical migration, through sliding block and limit switch contact, let the motor stall, and then carry out spacingly to sealing door vertical migration, let sealing door just to the fire door, be convenient for carry out the joint and seal.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the rear perspective structure of the present invention;

fig. 4 is a schematic diagram of the overall explosion structure of the present invention.

In the figure: 1. a frame body; 2. a base plate; 3. a position clamping hole; 4. a slider; 5. rotating the rod; 6. a sealing door; 7. a circular groove; 8. a refractory brick; 9. a fixing plate; 10. mounting a plate; 11. a hydraulic lever; 12. a motor; 13. a rotating shaft; 14. a reel; 15. a steel cord; 16. mounting grooves; 17. a limit switch; 18. a bayonet lock.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

the first embodiment is as follows: a sealing device of a bright annealing furnace comprises a frame body 1 and a sealing door 6, wherein two sliding blocks 4 are movably connected on the frame body 1, a rotating rod 5 is fixedly connected between the two sliding blocks 4, the bottom end of the sealing door 6 is connected with the rotating rod 5 in a penetrating way, a sealing end of the sealing door 6 is provided with a return groove 7, two fixing plates 9 are in bolt connection in the sealing door 6, the sealing door 6 is filled with refractory bricks 8, the refractory bricks 8 are fixed through the two fixing plates 9, a mounting plate 10 is movably connected on the frame body 1, one side of the mounting plate 10 is movably connected with two hydraulic rods 11, the telescopic end of the hydraulic rod 11 is movably connected on one side of the sealing door 6, a motor 12 is fixedly connected at the upper end of the frame body 1, the output end of the motor 12 is connected with a rotating shaft 13, the rotating shaft 13 is movably connected at the upper end of the frame body 1, two reels 14 are connected on the rotating shaft 13, and steel cables 15 are connected on the reels 14, the one end of cable wire 15 is connected in mounting panel 10 upper end, and two sliding blocks 4 set up on same horizontal plane, and dwang 5 sets up the central point at two sliding blocks 4 and puts, and dwang 5 is the stainless steel material preparation, and dwang 5 is inside to be the cavity setting, returns shape groove 7 and returns the font, returns

shape groove

7 and 6 joint ends of sealing door and sets up with one heart, and two 15 symmetries of cable wire set up in the both sides of mounting panel 10, and two 15 settings of cable wire are on same horizontal plane.

In the embodiment, two sliding blocks 4 are movably connected on a frame body 1, a rotating rod 5 is connected through the two sliding blocks 4, the rotating rod 5 is movably supported and connected at the bottom end of a sealing door 6, a clip-shaped groove 7 is arranged at one side of the sealing door 6, the sealing door is in butt joint and sealing with a furnace mouth through the clip-shaped groove 7, the sealing area is large, the sealing effect is ensured, the temperature of the furnace mouth is ensured to be constant, the interior of the sealing door 6 is filled with refractory bricks 8, heat insulation is realized through the refractory bricks 8, the heat insulation effect is good, the sealing door 6 is movably connected at one end of a mounting plate 10 through two hydraulic rods 11, when the sealing door 6 moves downwards, the sealing door 6 is in an inclined state, when the sealing door 6 is just opposite to the furnace mouth, the sealing door 6 is in tight contact with the furnace mouth through the two hydraulic rods 11, the sealing effect is ensured, a rotating shaft 13 is connected on the frame body 1, and a motor 12 drives the rotating shaft 13 to drive two reels 14, the two reels 14 wind the steel cable 15, vertically move the mounting plate 10 and further drive the sealing door 6 to vertically move, so that the opening and closing of the fire hole are facilitated, and the use is convenient.

The second embodiment is different from the first embodiment in that a bottom plate 2 is fixedly connected to the bottom of a frame body 1, two clamping holes 3 are formed in the bottom plate 2, two clamping pins 18 are fixedly connected to the bottom of a sealing door 6, clamping ends of the clamping pins 18 are arc-shaped, the depth of each clamping hole 3 is larger than the height of each clamping pin 18, an installation groove 16 is formed in one side of the frame body 1, a limit switch 17 is installed inside the installation groove 16, and the height of the limit switch 17 is larger than the depth of the installation groove 16.

In this embodiment, be provided with two screens hole 3 on bottom plate 2, it is spacing to carry out one end through 3 cooperation screens 18 in screens hole, let the hydraulic stem 11 of one side stably compress tightly, the arc end on the screens 18 is convenient for go into in screens hole 3, carry out limit switch 17's installation through mounting groove 16 in one side of framework 1, sliding block 4 is when the vertical migration, contact through sliding block 4 and limit switch 17, let motor 12 stall, and then carry on spacingly to sealing door 6 vertical migration, let sealing door 6 just to the fire door, be convenient for carry out the joint sealed, excellent in use effect.

When the sealing door 6 works, the electric equipment of the device is connected with an external power supply, the two sliding blocks 4 are movably connected on the frame body 1, the two sliding blocks 4 are connected with the rotating rod 5, the rotating rod 5 is movably supported and connected with the bottom end of the sealing door 6, one side of the sealing door 6 is provided with the clip-shaped groove 7 which is clip-connected with the furnace mouth through the clip-shaped groove 7, the sealing door 6 is in an inclined state when the sealing door 6 moves downwards, when the sealing door 6 is just opposite to the furnace mouth, the sealing door 6 is in tight contact with the furnace mouth through the two hydraulic rods 11, the sealing effect is ensured, the rotating shaft 13 is connected on the frame body 1, motor 12 drives axis of rotation 13 and drives two reels 14, two reels 14 are convoluteed cable wire 15, carry out vertical migration to mounting panel 10, and then drive sealing door 6's vertical migration, be convenient for the furnace mouth open closed, be provided with two screens hole 3 on bottom plate 2, it is spacing to carry out one end through screen hole 3 cooperation bayonet 18, let hydraulic stem 11 of one side carry out the steady compression, arc end on the bayonet 18 is convenient for block in bayonet hole 3, carry out limit switch 17's installation through mounting groove 16 in one side of framework 1, sliding block 4 is when vertical migration, contact through sliding block 4 and limit switch 17, let motor 12 stall, and then carry out spacingly to sealing door 6 vertical migration, let sealing door 6 just to the furnace mouth, be convenient for carry out the joint sealed, excellent in use effect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Claims

1. The utility model provides a sealing device of bright annealing stove, includes framework (1) and sealing door (6), its characterized in that: the sealing door is characterized in that two sliding blocks (4) are movably connected to the frame body (1), a rotating rod (5) is fixedly connected between the two sliding blocks (4), the bottom end of the sealing door (6) is connected with the rotating rod (5) in a penetrating manner, a return groove (7) is formed in the sealing end of the sealing door (6), two fixing plates (9) are connected to bolts in the sealing door (6), a refractory brick (8) is filled in the sealing door (6), the refractory brick (8) is fixed through the two fixing plates (9), a mounting plate (10) is movably connected to the frame body (1), two hydraulic rods (11) are movably connected to one side of the mounting plate (10), the telescopic ends of the hydraulic rods (11) are movably connected to one side of the sealing door (6), a motor (12) is fixedly connected to the upper end of the frame body (1), and a rotating shaft (13) is connected to the output end of the motor (12), the utility model discloses a cable reel, including rotating shaft (13), two reels (14) are connected to rotating shaft (13), be connected with cable wire (15) on reel (14), the one end of cable wire (15) is connected in mounting panel (10) upper end.

2. The sealing device of a bright annealing furnace according to claim 1, characterized in that: two sliding block (4) set up on same horizontal plane, dwang (5) set up the central point at two sliding block (4) and put.

3. The sealing device of a bright annealing furnace according to claim 2, characterized in that: dwang (5) are stainless steel material preparation, dwang (5) inside is the cavity setting.

4. The sealing device of a bright annealing furnace according to claim 1, characterized in that: the return groove (7) is shaped like a Chinese character 'hui', and the clamping end of the return groove (7) and the sealing door (6) are concentrically arranged.

5. The sealing device of a bright annealing furnace according to claim 1, characterized in that: the two steel cables (15) are symmetrically arranged on two sides of the mounting plate (10), and the two steel cables (15) are arranged on the same horizontal plane.

6. The sealing device of a bright annealing furnace according to claim 1, characterized in that: the bottom fixedly connected with bottom plate (2) of framework (1), set up two bayonet lock holes (3) on bottom plate (2), two bayonet locks (18) of bottom fixedly connected with of sealing door (6).

7. The sealing device of a bright annealing furnace according to claim 6, characterized in that: the clamping end of the clamping pin (18) is arc-shaped, and the depth of the clamping hole (3) is larger than the height of the clamping pin (18).

8. The sealing device of a bright annealing furnace according to claim 1, characterized in that: one side of the frame body (1) is provided with a mounting groove (16), a limit switch (17) is mounted inside the mounting groove (16), and the height of the limit switch (17) is larger than the depth of the mounting groove (16).