CN210736817U

CN210736817U - Novel furnace door structure for annealing furnace

Info

Publication number: CN210736817U
Application number: CN201921761306.3U
Authority: CN
Inventors: 郑贺明; 陈小春
Original assignee: Zhejiang Dingrui Machinery Manufacturing Co Ltd
Current assignee: Zhejiang Dingrui Machinery Manufacturing Co Ltd
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2020-06-12
Anticipated expiration: 2029-10-21

Abstract

The utility model discloses a novel furnace gate structure for annealing furnace, including the door frame, furnace gate and furnace gate mechanism that opens and shuts, the furnace gate passes through furnace gate mechanism that opens and shuts from top to bottom sliding connection on the door frame, the furnace gate mechanism that opens and shuts includes driving motor, the deviator, two synchronizing shafts, two driving chains, two driving sprocket and two driven sprocket, every driving chain tensioning is on driving sprocket and the driven sprocket who corresponds with it, be equipped with gliding upper track groove and lower track groove about the cooperation furnace gate on the door frame, be equipped with the lower sliding bearing in the last sliding bearing in track groove and the cooperation lower track groove in the cooperation on the furnace gate, the bottom in upper track groove all slopes inwards with the bottom in lower track groove, be equipped with the sealing washer of cooperation furnace gate on the door frame. The utility model discloses ensure the stability of furnace gate at the lift in-process, all design into the slope inwards with the bottom in last track groove and lower track groove simultaneously for can be by the mandatory when the furnace gate descends to the bottom towards the door frame sideslip compress tightly the door frame, guarantee the seal of furnace gate and door frame.

Description

Novel furnace door structure for annealing furnace

Technical Field

The utility model relates to a spare part of annealing stove especially relates to a novel furnace gate structure for annealing stove.

Background

The annealing furnace for the aluminum foil products is often large in size, so that a lifting furnace door is adopted no matter the factors such as the difficulty of opening and closing the furnace door, the occupied area of opening and closing the furnace door and the like are considered; however, the conventional lifting furnace door usually adopts direct drive type driving mechanisms such as an air cylinder, a hydraulic cylinder, an electric push rod and the like to drive the furnace door to lift, and because the furnace door is heavy, the driving stability of the conventional furnace door lifting driving mechanism cannot be guaranteed (in the lifting process of the furnace door, the furnace door may swing or shake without being seen by naked eyes to influence the tightness of the furnace door and a door frame).

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the defect that exists among the above-mentioned prior art and be not enough, provide an adopt driving motor cooperation driving chain, drive sprocket and driven sprocket's furnace gate elevating system, ensure the stability of furnace gate at the lift in-process, guarantee the seal of furnace gate and door frame, need not to dispose special furnace gate hold-down mechanism, simple structure, control preparation that can be fine and maintenance cost's novel furnace gate structure for annealing furnace.

The technical scheme of the utility model: a novel furnace door structure for an annealing furnace comprises a door frame, a furnace door and a furnace door opening and closing mechanism, wherein the furnace door is connected to the door frame in a vertical sliding mode through the furnace door opening and closing mechanism, the furnace door opening and closing mechanism comprises a driving motor, a deviator, two synchronizing shafts, two transmission chains, two driving chain wheels and two driven chain wheels, each transmission chain is tensioned on the driving chain wheel and the driven chain wheel corresponding to the transmission chain, the furnace door is installed on the two transmission chains, the two synchronizing shafts are connected with the driving motor through the deviator, each transmission chain is connected with the synchronizing shaft corresponding to the transmission chain wheel through the driving chain wheel corresponding to the transmission chain, an upper rail groove and a lower rail groove which are matched with the furnace door in a vertical sliding mode are arranged on the door frame, an upper sliding bearing and a lower sliding bearing which are matched with the upper rail groove are arranged on the furnace door, the bottom of the upper rail groove and the bottom of, and a sealing ring matched with the furnace door is arranged on the door frame.

The utility model discloses a driving motor cooperation driving chain, drive sprocket and driven sprocket's furnace gate elevating system ensures the stability of furnace gate at the lift in-process, all design into the slope inwards with the bottom in last track groove and lower track groove simultaneously for can be by the mandatory when the furnace gate falls to the bottom towards the door frame sideslip compress tightly the door frame, guarantee the seal of furnace gate and door frame, need not to dispose special furnace gate hold-down mechanism, moreover, the steam generator is simple in structure, control preparation and maintenance cost that can be fine.

Preferably, the oven door comprises a front door panel, a rear door panel, an outer frame and a heat insulation cotton layer arranged between the front door panel, the rear door panel and the outer frame, wherein the heat insulation cotton layer is compressed on the front door panel by the rear door panel and then is fixed by heat insulation nails.

The structure ensures the structural strength and the heat preservation effect of the furnace door.

Preferably, the front door panel and the front side of the outer frame are provided with reinforcing frames, each reinforcing frame comprises two reinforcing vertical beams, a reinforcing cross beam and a reinforcing sheet, the reinforcing sheet is arranged at the joint of the two reinforcing vertical beams and the reinforcing cross beam and is located in the middle of the front door panel, and two ends of the reinforcing cross beam extend out of the outer frame and are used for mounting a transmission chain connecting piece.

The structure further ensures the firmness of the furnace door and is convenient for the connection of the furnace door and the transmission chain (the transmission chain connecting piece is a conventional connecting structure, so the details are not described).

Preferably, the door frame top is equipped with overhauls the frame, the furnace body top at the annealing stove is fixed to the bottom of overhauing the frame, driving motor installs in the middle of the top of overhauing the frame, still be equipped with the maintenance stair of maintenance platform and cooperation maintenance platform on the maintenance frame.

The structure is convenient to overhaul, and the installation stability of the driving motor is ensured.

Preferably, the top both sides of overhauing the frame are equipped with the carriage of cooperation synchronizing shaft, drive sprocket is located the inboard of carriage, and all is equipped with the tension sprocket of two cooperation driving chains on every carriage, driven sprocket passes through the sprocket rack and installs the lower part at the door frame.

The structure ensures that the synchronous shaft is stably and reliably installed, and simultaneously ensures that the driving motor drives the transmission chain to rotate more stably and reliably through the synchronous shaft and the driving chain wheel.

Preferably, the support frame includes two backup pads and the connection piece of connecting two backup pads, the synchronizing shaft connects two backup pads through bearing frame and bearing respectively, the tensioning sprocket passes through the sprocket shaft and installs between two backup pads.

The structure ensures that the synchronous shaft and the tension chain wheel are firmly and reliably installed and the transmission is stable and reliable.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention with the upper and lower track grooves and a support plate removed;

FIG. 3 is a schematic structural view of the present invention with the upper and lower track grooves removed;

FIG. 4 is a schematic structural view of the upper and lower track grooves of the present invention;

in the figure, 1, a furnace door, 2, a door frame, 3, a driving motor, 4, a transmission chain, 5, a synchronous shaft, 6, a support frame, 7, a support plate, 8, a connecting piece, 9, an overhaul frame, 10, an overhaul stair, 11, a driving chain wheel, 12, a driven chain wheel, 13, a tensioning chain wheel, 14, a chain wheel frame, 15, a reinforcing vertical beam, 16, a reinforcing cross beam, 17, a reinforcing piece, 18, an overhaul table, 19, a direction changer, 20, a sealing ring, 21, an upper track groove, 22, a lower track groove, 23, an upper sliding bearing and 24 are lower sliding bearings.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings, but the present invention is not limited thereto.

As shown in fig. 1-4, a novel furnace door structure for an annealing furnace comprises a door frame 2, a furnace door 1 and a furnace door opening and closing mechanism. The furnace door 1 is connected on the door frame 2 by the furnace door opening and closing mechanism in a vertical sliding way, the furnace door opening and closing mechanism comprises a driving motor 3, a deviator 19 and two synchronizing shafts 5, the oven door comprises two transmission chains 4, two driving sprockets 11 and two driven sprockets 12, each transmission chain is tensioned on the corresponding driving sprocket and the corresponding driven sprocket, the oven door 1 is installed on the two transmission chains 4, the two synchronizing shafts 5 are connected with the driving motor 3 through the direction changer 19, each transmission chain is connected with the corresponding synchronizing shaft through the corresponding driving sprocket, an upper track groove 21 and a lower track groove 22 which are matched with the oven door 1 to slide up and down are arranged on the door frame 2, an upper sliding bearing 23 and a lower sliding bearing 24 are arranged on the oven door 1, the upper sliding bearing 23 and the lower sliding bearing 24 are matched with the lower track groove 22, the bottom of the upper track groove 21 and the bottom of the lower track groove 22 are both inclined inwards (inclined towards the side of the oven door frame), and a sealing ring 20 matched with the oven door 1 is arranged on the door frame 2. The furnace door 1 comprises a front door plate, a rear door plate, an outer frame and a heat insulation cotton layer arranged between the front door plate, the rear door plate and the outer frame, wherein the rear door plate compresses the heat insulation cotton layer on the front door plate and then fixes the heat insulation cotton layer through heat insulation nails. The front side of preceding door plant and frame is equipped with the reinforcement frame, and the reinforcement frame includes two enhancement vertical beams 15, a reinforcing beam 16 and a reinforcement piece 17, and reinforcement piece 17 installs in the junction of two enhancement vertical beams 15 and a reinforcing beam 16, and reinforcement piece 17 is located the intermediate position of preceding door plant, and reinforcing beam 16's both ends are stretched out the frame and are used for installing the driving chain connecting piece outward. The top of the door frame 2 is provided with an overhaul frame 9, the bottom of the overhaul frame 9 is fixed at the top of the annealing furnace body, the driving motor 3 is installed in the middle of the top of the overhaul frame 9, and the overhaul frame 9 is further provided with an overhaul stand 18 and an overhaul stair 10 matched with the overhaul stand 18. Supporting frames 6 matched with the synchronizing shafts 5 are arranged on two sides of the top of the overhauling frame 9, the driving chain wheel 11 is located on the inner side of each supporting frame 6, two tensioning chain wheels 13 matched with the transmission chains 4 are arranged on each supporting frame, and the driven chain wheels 12 are installed on the lower portion of the doorframe 2 through chain wheel frames 14. The support frame 6 comprises two support plates 7 and a connecting piece 8 for connecting the two support plates 7, the synchronizing shaft 5 is respectively connected with the two support plates 7 through a bearing seat and a bearing, and the tension sprocket 13 is arranged between the two support plates 7 through a sprocket shaft.

The utility model discloses when needing to open the door, the driving motor action drives the synchronizing shaft and rotates, drives the furnace gate through drive sprocket, driving chain and driven sprocket and rises to open or the decline is closed.

The utility model provides a deviator is the conventional power steering mechanism of market purchase, so its concrete structure does not do the detail with the action process.

Claims

1. The utility model provides a novel furnace gate structure for annealing furnace, includes door frame, furnace gate and furnace gate mechanism that opens and shuts, its characterized in that: the furnace gate passes through furnace gate mechanism of opening and shutting sliding connection from top to bottom on the door frame, furnace gate mechanism of opening and shutting includes driving motor, deviator, two synchronizing shaft, two driving chain, two driving sprocket and two driven sprocket, and every driving chain tensioning is on driving sprocket and the driven sprocket who corresponds rather than, the furnace gate is installed on two driving chain, and two synchronizing shaft pass through the deviator and are connected with driving motor, and every driving chain is connected rather than the synchronizing shaft who corresponds through the driving sprocket who corresponds, be equipped with gliding upper track groove and lower track groove about the cooperation furnace gate on the door frame, be equipped with the last sliding bearing in cooperation upper track groove and the lower sliding bearing in cooperation lower track groove on the furnace gate, the bottom in upper track groove and the bottom in lower track groove all incline inwards, be equipped with the sealing washer of cooperation furnace gate on the door frame.

2. The novel furnace door structure for the annealing furnace according to claim 1, wherein: the furnace door comprises a front door plate, a rear door plate, an outer frame and a heat insulation cotton layer arranged among the front door plate, the rear door plate and the outer frame, wherein the heat insulation cotton layer is tightly pressed on the front door plate by the rear door plate and then fixed by heat insulation nails.

3. The novel furnace door structure for the annealing furnace according to claim 2, wherein: the front sides of the front door plate and the outer frame are provided with reinforcing frames, each reinforcing frame comprises two reinforcing vertical beams, a reinforcing cross beam and a reinforcing sheet, the reinforcing sheet is arranged at the joint of the two reinforcing vertical beams and the reinforcing cross beam and is located in the middle of the front door plate, and two ends of the reinforcing cross beam extend out of the outer frame and are used for mounting a transmission chain connecting piece.

4. The novel furnace door structure for the annealing furnace according to claim 1, wherein: the utility model discloses a maintenance ladder, including door frame, driving motor, maintenance platform, driving motor, door frame top is equipped with overhauls the frame, the bottom of overhauing the frame is fixed at the furnace body top of annealing stove, driving motor installs in the middle of the top of overhauing the frame, still be equipped with the maintenance stair of maintenance platform and cooperation maintenance platform on.

5. The novel furnace door structure for the annealing furnace according to claim 4, wherein: the top both sides of overhauing the frame are equipped with the carriage of cooperation synchronizing shaft, drive sprocket is located the inboard of carriage, and all is equipped with the tension sprocket of two cooperation driving chains on every carriage, driven sprocket passes through the sprocket frame and installs the lower part at the door frame.

6. The novel furnace door structure for the annealing furnace according to claim 5, wherein: the supporting frame comprises two supporting plates and a connecting sheet for connecting the two supporting plates, the synchronizing shaft is connected with the two supporting plates through a bearing seat and a bearing respectively, and the tensioning chain wheel is installed between the two supporting plates through a chain wheel shaft.