Inflation sealing device for movable air bellow of annealing furnace
By using an air-filled sealing device between the moving air box and the blower duct of the annealing furnace, the problem of poor sealing performance was solved, achieving a high-efficiency sealing effect and simple operation, thus extending the service life of the equipment.
Patent Information
- Application Number
- CN202423317043.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-31
AI Technical Summary
The sealing performance of the connection between the cold moving air box and the fan duct after the annealing furnace is poor, resulting in air leakage and affecting the air pressure and cooling effect.
An inflatable sealing device is adopted, including a sealing airbag, a solenoid valve, a baffle, and a reset assembly. The sealing airbag is inflated by the inflatable assembly to seal the gap between the moving air box body and the fan duct. The baffle and reset assembly protect the sealing airbag. The controller controls the air pump and solenoid valve to achieve sealing and deflating operations.
It improves the sealing performance between the mobile air box and the fan duct, prevents air pressure leakage, protects the sealing airbag, extends service life, simplifies the operation process, and improves sealing effect and usage efficiency.
Smart Images

Figure CN223595325U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to annealing furnace technical field more specifically, relate to a kind of inflation sealing device for annealing furnace mobile air bellow. BACKGROUND
[0002] Sealing connection between annealing furnace rear cold mobile air bellow and fan pipeline usually adopts two tubular sleeve connection, but this kind of connection mode, there is the problem of poor sealing performance, leading to air leakage, it can affect wind pressure, affect subsequent cooling, for the above problems, the following proposes a kind of solution. UTILITY MODEL CONTENTS
[0003] For the problems existing in the prior art, the utility model aims at providing a kind of inflation sealing device for annealing furnace mobile air bellow, which can realize the increase of sealing effect.
[0004] To solve the above problems, the utility model adopts the following technical scheme.
[0005] A kind of inflation sealing device for annealing furnace mobile air bellow, including mobile air bellow body and fan pipeline, the air inlet end of the mobile air bellow body and fan pipeline plug connection, one end of the fan pipeline is provided with sealing gas bag, the gas inlet and the gas outlet of the sealing gas bag are all installed with electromagnetic valve, the gas inlet end of one of the electromagnetic valve is connected with inflation assembly, the side of the fan pipeline is uniformly provided with several baffles, several baffles are arranged around fan pipeline in circle, and the included angle between adjacent two baffles is same, the baffle is attached to sealing gas bag, and one end of the baffle is connected between fan pipeline by reset component.
[0006] Preferably, the reset component includes connecting end and elastic end, the connecting end is fixedly connected with the side of fan pipeline, the elastic end is installed at one end of connecting end, and the other end of the elastic end is fixedly connected with one end of baffle.
[0007] Preferably, the inflation assembly includes controller and air pump, the air pump is fixed on the side of fan pipeline, the output end of the air pump is communicated with one of the electromagnetic valve, the controller is installed on the side of fan pipeline, and the air pump and two electromagnetic valves are electrically connected with controller.
[0008] Preferably, the side of the baffle is provided with protective strip, and the protective strip is around three sides of baffle away from reset piece.
[0009] Preferably, the gas inlet end of the air pump is threadedly connected with outer ring, and the inner portion of the outer ring is fixedly connected with filter screen.
[0010] Preferably, one side of the sealing air bag is provided with a plurality of elastic ropes, the elastic ropes are arranged in a circle around the fan pipeline, one end of the elastic rope is fixedly connected with the side of the fan pipeline, and the other end of the elastic rope is fixedly connected with the sealing air bag.
[0011] Preferably, the side of the movable wind box body is symmetrical and fixedly connected with a positioning sleeve, the positioning sleeve is slidably inserted with a positioning rod, and the positioning rod is fixedly connected with the side of the fan pipeline.
[0012] Compared with the prior art, the utility model has the advantages that:
[0013] First, the air inlet end of the movable wind box body is inserted with the fan pipeline, the inflation assembly inflates the sealing air bag, the sealing air bag is inflated, the air inlet end of the movable wind box body and the fan pipeline are sealed by the inflated sealing air bag, the air tightness between the air inlet end of the movable wind box body and the fan pipeline is ensured, the leakage of wind pressure is avoided, the one end of the sealing air bag before inflation is protected by the baffle, the damage of the air inlet end edge of the movable wind box body to the sealing air bag is avoided, the reset assembly is used for controlling the reset of the baffle, manual operation is not needed, and the reset assembly is simple and practical.
[0014] Second, the connection end is fixed with the fan pipeline, the connection end and the baffle are connected through the elastic end, so that the position of the baffle is ensured, the elastic end is made of elastic metal material, the pressing plate can be reset after the sealing air bag leaks, and the pressure of the pressing plate can accelerate the leakage of the sealing air bag.
[0015] Third, the controller controls the start and stop of the air pump and the electromagnetic valve, so that the inflation and leakage of the sealing air bag are realized.
[0016] Fourth, the protection strip is used for protecting the side of the baffle, the damage of the side edge of the baffle to the sealing air bag is avoided, and the protection effect is achieved.
[0017] Fifth, the outer ring is used for connecting the filter screen and the air inlet end of the air pump, the filter screen filters the air entering the air pump, the entry of impurities is reduced, the air pump is protected, the threaded cooperation between the outer ring and the air inlet end of the air pump can realize that the filter screen is taken down, so that the filter screen is cleaned.
[0018] Sixth, the elastic rope is used for fixing the sealing air bag when the sealing air bag is not inflated, so that the sealing air bag is prevented from being placed downward under the action of gravity due to no inflation, and the sealing air bag is conveniently inserted into the air inlet end of the movable wind box body.
[0019] Seven, the plug-in of the positioning sleeve and the positioning rod can guarantee the stability of the air inlet end of the mobile wind box body and the position of the fan pipeline, and can effectively avoid the rotation between the air inlet end of the mobile wind box body and the fan pipeline, thereby avoiding the abrasion to the sealing air bag and prolonging the service life. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is a whole structure schematic view of the utility model;
[0021] Figure 2 It is an equal two measurement structure schematic view of the fan pipeline and the air bag of the utility model;
[0022] Figure 3 It is a three-dimensional structure schematic view of the fan pipeline and the air bag of the utility model;
[0023] Figure 4 It is a top view structure schematic view of the fan pipeline and the air bag of the utility model;
[0024] Figure 5 It is an enlarged structure schematic view of A of the utility model;
[0025] Figure 6 It is a structure schematic view of the pressing plate, the reset assembly and the protection strip of the utility model.
[0026] Mark number explanation in the drawing:
[0027] 1, mobile wind box body;2, fan pipeline;3, sealing air bag;4, electromagnetic valve;5, inflation assembly;6, baffle;7, reset assembly;8, connecting end;9, elastic end;10, controller;11, air pump;12, protection strip;13, outer ring;14, filter screen;15, elastic rope;16, positioning sleeve;17, positioning rod. DETAILED DESCRIPTION
[0028] Example 1:
[0029] Please refer to Figures 1-6The utility model provides an inflation sealing device for annealing furnace movable air bellow, including movable air bellow body 1 and fan pipeline 2, fan pipeline 2 is inserted in the inside of movable air bellow body 1's air inlet end, the lateral symmetry of movable air bellow body 1 is fixedly connected with positioning sleeve 16, the orientation of positioning sleeve 16 is same with the orientation of movable air bellow body 1's air inlet end, and positioning sleeve 16 and movable air bellow body 1's air inlet end are parallel, positioning sleeve 16 inside sliding and inserting positioning rod 17, positioning rod 17 and fan pipeline 2's lateral fixed connection, and one end of positioning rod 17 is longer than one end of fan pipeline 2, so that it can guarantee that positioning rod 17 and positioning sleeve 16 are matched first, guarantee the insertion of fan pipeline 2 and movable air bellow body 1's air inlet end accurately, and the insertion of positioning sleeve 16 and positioning rod 17 can guarantee the stability of movable air bellow body 1's air inlet end and fan pipeline 2 position, can effectively avoid the rotation between movable air bellow body 1's air inlet end and fan pipeline 2, thereby avoiding the wear and tear to sealing air bag 3, prolonging the service life, and the design of two groups of positioning rod 17 and positioning sleeve 16 can improve the stress, further guarantee stability.
[0030] One end of fan pipeline 2 located in the inside of movable air bellow body 1's air inlet end is provided with sealing air bag 3, and sealing air bag 3 is circular, the inner arc surface of sealing air bag 3 is fixedly connected with the outer side of fan pipeline 2, the inflation and exhaust of sealing air bag 3 are controlled by controlling the inflation and exhaust of sealing air bag 3, and the inflation and exhaust of sealing air bag 3 are controlled, which seals the sealing between fan pipeline 2 and movable air bellow body 1's air inlet end, and the air inlet and outlet of sealing air bag 3 are provided with electromagnetic valve 4, and the air inlet end of one of electromagnetic valve 4 is connected with inflation assembly 5, inflation assembly 5 includes controller 10 and air pump 11, air pump 11 is fixed on the side of fan pipeline 2, the output end of air pump 11 is communicated with one of electromagnetic valve 4, controller 10 is installed on the side of fan pipeline 2, air pump 11 and two electromagnetic valve 4 are electrically connected with controller 10, the start and stop of air pump 11 and electromagnetic valve 4 are controlled by controller 10, so as to realize the inflation and exhaust of sealing air bag 3, thereby sealing by sealing air bag 3.
[0031] The air inlet end of air pump 11 is threadedly connected with outer ring 13, and filter screen 14 is fixedly connected in the inside of outer ring 13, outer ring 13 is used for connecting filter screen 14 and the air inlet end of air pump 11, filter screen 14 filters the air entering air pump 11, can reduce the entry of impurities, and protects air pump 11, and the threaded connection of outer ring 13 and the air inlet end of air pump 11 can realize that filter screen 14 is taken down, so as to clean filter screen 14.
[0032] The side of the fan pipeline 2 is uniformly provided with a plurality of baffles 6, the side of the baffle 6 is provided with a protective strip 12, the protective strip 12 adopts a soft foam strip or a soft cloth strip, the protective strip 12 is wrapped around the three sides of the baffle 6 away from the reset member, the protective strip 12 is used for protecting the side of the baffle 6, can avoid the side edge of the baffle 6 to damage the sealing air bag 3, has a protection effect, a plurality of baffles 6 are arranged in a circle around the fan pipeline 2, and the included angle between adjacent two baffles 6 is the same, the baffle 6 is attached to the sealing air bag 3, the baffle 6 can protect one end of the sealing air bag 3 before inflation, avoid the damage of the edge of the air inlet end of the movable air bellow body 1 to the sealing air bag 3, one end of the baffle 6 is connected between the reset assembly 7 and the fan pipeline 2, the reset assembly 7 includes a connecting end 8 and an elastic end 9, the connecting end 8 is fixedly connected with the side of the fan pipeline 2, the cross section of the connecting end 8 is triangular, the triangular design can facilitate the insertion of the fan pipeline 2 into the air inlet pipe of the movable air bellow body 1, the elastic end 9 is installed at one end of the connecting end 8, the elastic end 9 adopts Fe-Ni-Co alloy, has good elasticity, can reset the baffle, also has good heat resistance, avoids the influence of high temperature, and the other end of the elastic end 9 is fixedly connected with one end of the baffle 6, the connecting end 8 and the fan pipeline 2 are fixed, the connecting end 8 and the baffle 6 are connected through the elastic end 9, so as to ensure the position of the baffle 6, the elastic end 9 adopts elastic metal material, can drive the pressing plate to reset after the sealing air bag 3 is deflated, and the pressure of the pressing plate can accelerate the deflation of the sealing air bag 3.
[0033] A plurality of elastic ropes 15 are arranged on one side of the sealing air bag 3, the elastic ropes 15 are arranged in a circle around the fan pipeline 2, one end of the elastic rope 15 is fixedly connected with the side of the fan pipeline 2, the other end of the elastic rope 15 is fixedly connected with the sealing air bag 3, the elastic rope 15 is used for fixing the sealing air bag 3 when the sealing air bag 3 is not inflated, avoids the sealing air bag 3 from being placed downward under the action of gravity when not inflated, so as to facilitate the insertion of the sealing air bag 3 into the air inlet end of the movable air bellow body 1
[0034] Working principle:
[0035] In use, the user will correspond the fan pipe 2 and the air inlet end of the mobile wind box body 1, move the fan pipe 2, the fan pipe 2 moves towards the air inlet end of the mobile wind box body 1, at the same time, the fan pipe 2 will drive the positioning rod 17 to move, the positioning rod 17 will be inserted into the positioning sleeve 16, through the cooperation of the positioning rod 17 and the positioning sleeve 16, the position of the fan pipe 2 and the air inlet end of the mobile wind box body 1 is determined, until one end of the fan pipe 2 is inserted into the air inlet end of the mobile wind box body 1, at this time, the baffle 6 will be pressed on the side of the sealing air bag 3, avoiding the edge of the air inlet end of the mobile wind box body 1 from scratching the sealing air bag 3, which can protect the sealing air bag 3, at the same time, the elastic rope 15 will tighten the sealing air bag 3, which can avoid the sealing air bag 3 from naturally drooping outside in a relaxed state, when the fan pipe 2 and the air inlet end of the mobile wind box body 1 are installed in place, the controller 10 will control the electromagnetic valve 4 connected to the air pump 11 to open, the electromagnetic valve 4 away from the air pump 11 to close, at the same time, the controller 10 controls the air pump 11 to start, through the air pump 11 to blow air into the sealing air bag 3, the filter screen 14 installed at the air inlet end of the air pump 11 can filter the air entering the air pump 11 to a certain extent, which can reduce the damage of impurities in the air to the air pump 11, in addition, the threaded cooperation of the outer ring 13 and the air pump 11 can conveniently take down the filter screen 14 for cleaning, so that the sealing air bag 3 expands, the expanded air bag fills the gap between the fan pipe 2 and the air inlet end of the mobile wind box body 1, after observing that the sealing air bag 3 expands to an appropriate size, the controller 10 closes the air pump 11 and the electromagnetic valve 4 connected to the air pump 11, so as to ensure the sealing of the inside of the sealing air bag 3, thereby playing a sealing role.
[0036] Due to the increase of the internal pressure of the sealing air bag 3, the sealing air bag 3 will push the baffle 6, the baffle 6 will drive the elastic end 9 to bend, so that the elastic end 9 will generate elastic force, in addition, the elastic rope 15 will be stretched, so that the elastic rope 15 will also generate elastic force, when it is necessary to remove and maintain, the controller 10 controls the electromagnetic valve 4 away from the air pump 11 to open, the gas in the sealing air bag 3 is discharged to the outside through the electromagnetic valve 4, at the same time, the pressure of the baffle 6 and the elastic end 9 resets, and the elastic rope 15 resets under its own elastic force, the reset of the elastic rope 15 and the baffle 6 will act on the sealing air bag 3, thereby accelerating the exhaust of the sealing air bag 3, further improving the efficiency, at the same time, after exhausting, the baffle 6 and the elastic rope 15 will play a storage and protection role on the sealing air bag 3, so that it can be directly used next time without subsequent continuous adjustment, which is suitable and convenient, improves the efficiency.
Claims
1. An air inflation sealing device for a moving air box of an annealing furnace, characterized by: The utility model provides a mobile wind box body (1) and fan pipeline (2) including, the air inlet end of mobile wind box body (1) and fan pipeline (2) are inserted, one end of fan pipeline (2) is provided with sealed air bag (3), the air inlet and air outlet of sealed air bag (3) are all installed electromagnetic valve (4), the air inlet end of one of electromagnetic valve (4) is connected with inflation assembly (5), the lateral surface of fan pipeline (2) is evenly provided with a plurality of baffle (6), a plurality of baffle (6) are arranged in the circumference around fan pipeline (2), and the included angle between adjacent two baffle (6) is same, baffle (6) is pasted sealed air bag (3), one end of baffle (6) is connected between fan pipeline (2) through reset component (7).
2. The air-tight sealing device for the moving air box of the annealing furnace according to claim 1, characterized in that: The reset component (7) includes a connecting end (8) and an elastic end (9), the connecting end (8) is fixedly connected with the lateral surface of the fan pipeline (2), and the elastic end (9) is installed at one end of the connecting end (8), and the other end of the elastic end (9) is fixedly connected with one end of the baffle (6).
3. The air-tight sealing device for the moving air box of the annealing furnace according to claim 1, characterized in that: The inflation assembly (5) includes a controller (10) and a gas pump (11), the gas pump (11) is fixed on the lateral surface of the fan pipeline (2), the output end of the gas pump (11) is communicated with one of the electromagnetic valves (4), the controller (10) is installed on the lateral surface of the fan pipeline (2), and the gas pump (11) and the two electromagnetic valves (4) are electrically connected with the controller (10).
4. The air-tight sealing device for the moving air box of the annealing furnace according to claim 1, characterized in that: The lateral surface of the baffle (6) is provided with a protective strip (12), and the protective strip (12) surrounds three sides of the baffle (6) away from the reset component.
5. The air-tight sealing device for the moving air box of the annealing furnace according to claim 3, characterized in that: The air inlet end of the gas pump (11) is threadedly connected with an outer ring (13), and the inner part of the outer ring (13) is fixedly connected with a filter screen (14).
6. The air tight sealing device for the moving air box of the annealing furnace according to claim 1, characterized in that: One side of the sealed air bag (3) is provided with a plurality of elastic ropes (15), the elastic ropes (15) are arranged in a circular shape around the fan pipeline (2), one end of the elastic rope (15) is fixedly connected with the lateral surface of the fan pipeline (2), and the other end of the elastic rope (15) is fixedly connected with the sealed air bag (3).
7. The air seal for a moving wind box of an annealing furnace of claim 1, wherein: The lateral surface of the mobile wind box body (1) is symmetrically and fixedly connected with a positioning sleeve (16), the positioning sleeve (16) is slidably and insertedly provided with a positioning rod (17), and the positioning rod (17) is fixedly connected with the lateral surface of the fan pipeline (2).