CN101289701A - Annealing furnace inner cover mending machinery and method as the same - Google Patents
Annealing furnace inner cover mending machinery and method as the same Download PDFInfo
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- CN101289701A CN101289701A CNA2008100741003A CN200810074100A CN101289701A CN 101289701 A CN101289701 A CN 101289701A CN A2008100741003 A CNA2008100741003 A CN A2008100741003A CN 200810074100 A CN200810074100 A CN 200810074100A CN 101289701 A CN101289701 A CN 101289701A
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/663—Bell-type furnaces
- C21D9/673—Details, accessories, or equipment peculiar to bell-type furnaces
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
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Abstract
The invention provides an apparatus for automatically straightening annealing furnace inner cover and a method for straightening the annealing furnace inner cover by the straightening apparatus. The straightening apparatus of the invention comprises a main mounting stage having a main pushing cylinder expanding along radial direction and a roller orientating along the radial direction. The straightening apparatus further comprises a roller mounting stage connected with a piston of the main pushing cylinder, a main pushing roller arranged in the roller mounting stage and pressing the inner periphery at lower part of the annealing furnace inner cover, a fixed roller mounting stage arranged in the main mounting stage and a main fixed roller arranged in the fixed roller mounting stage for supporting the outer periphery of the annealing furnace inner cover. The straightening apparatus further comprises a backform mounting stage arranged on the opposite two sides of the main mounting stage, a backform connected with an upper mounting arm on the backform mounting stage, an internal mold lift cylinder arranged on the central part of the main mounting stage and an internal mold arranged on the internal mold lift cylinder.
Description
Technical field
The present invention relates in general to the equipment that is used for straightening annealing stove inner cover, and relate more specifically to a kind of like this equipment that is used for straightening annealing stove inner cover, this equipment comprises: main erecting bed, in the central part of main erecting bed, be provided with and promote mainly moving cylinder, promoting mainly moving cylinder can radially expand, be provided with on main erecting bed along the transfer roller of the radial directed of main erecting bed, transfer roller contacts so that the rotation of annealing furnace inner cover with the bottom of annealing furnace inner cover on being placed on described main erecting bed; Sliding roller erecting bed, it is connected to piston and the upright orientation of promoting mainly moving cylinder, makes sliding roller erecting bed be parallel to the inner peripheral surface of the annealing furnace inner cover that is placed on the main erecting bed, and sliding roller erecting bed can radially sliding along main erecting bed; Promote mainly moving sliding roller, it is located in the sliding roller erecting bed and has vertically directed rotating shaft, promotes mainly the inner peripheral surface of the motion extruding annealing furnace inner cover bottom of the sliding roller erecting bed of moving sliding roller utilization; The stationary roll erecting bed, it is located on the main erecting bed and along the vertical direction orientation, the periphery of the annealing furnace inner cover that makes the stationary roll erecting bed be parallel to be placed on the main erecting bed; Main stationary roll, it is located in the stationary roll erecting bed and has vertically directed rotating shaft, and master's stationary roll supports the periphery of annealing furnace inner cover when promoting mainly the inner peripheral surface of moving sliding roller extruding annealing furnace inner cover; The backform erecting bed, it is located on the relative both sides of main erecting bed and is vertically directed, each backform erecting bed has the two-link arm structure, make that hold-down arm is connected to each other by linkage connector up and down, this linkage connector is located at the mid-way of arm, the last hold-down arm of backform erecting bed is connected to corresponding connecting rod arm cylinder, and this link arm cylinder is connected with main erecting bed, thereby makes the hold-down arm rotation by the operation of link arm cylinder; Backform, this backform are connected to the last hold-down arm of backform erecting bed, have the shape corresponding to the exterior semi-spherical surface at annealing furnace inner cover top; The internal mold lift cylinder, it is located on the central part of main erecting bed and upright orientation; And internal mold, it is located on the internal mold lift cylinder, and this internal mold has the shape corresponding to the semisphere internal surface at annealing furnace inner cover top.
Background technology
As known for the skilled artisan, as a kind of iron equipment that is used to make cold-rolled steel sheet, use annealing furnace to be used to improve the heat treatment process of cold-rolled steel sheet quality.Coke-oven gas (COG) is as the fuel of annealing furnace, and the mixed gas of pure hydrogen or hydrogen and nitrogen is as environmental gas.
In such annealing furnace, in the annealing furnace inner cover, pile up and the thermal treatment cold-rolled steel coils.Owing to repetitive operation produces distortion, wherein the lower end of annealing furnace inner cover curves inwardly and its top is out of shape because of aging, thereby has shortened the expected service life of annealing furnace inner cover.
At this moment, the annealing furnace inner cover of distortion should be reused behind aligning as mentioned above.
Summary of the invention
Therefore, consider the above-mentioned problems in the prior art and made the present invention, the purpose of this invention is to provide a kind of equipment of the crushed element of straightening annealing stove inner cover automatically and effectively that is used for, and the method for using described equipment for straightening straightening annealing stove inner cover.
To achieve these goals, in one aspect, the invention provides a kind of equipment that is used for straightening annealing stove inner cover, this equipment comprises: main erecting bed, in the central part of this main erecting bed, be provided with and promote mainly moving cylinder, this is promoted mainly moving cylinder and can radially expand, on described main erecting bed, be provided with along the transfer roller of the radial directed of this main erecting bed, described transfer roller with the following end in contact that is placed on the annealing furnace inner cover on the described main erecting bed so that the rotation of described annealing furnace inner cover; Sliding roller erecting bed, this cunning roller erecting bed is connected to described piston and the upright orientation of promoting mainly moving cylinder, make this cunning roller erecting bed be parallel to the inner peripheral surface that is placed on the annealing furnace inner cover on the described main erecting bed, described sliding roller erecting bed can radially sliding along described main erecting bed; Promote mainly moving sliding roller, this is promoted mainly moving sliding roller and is located in the described sliding roller erecting bed and has vertically directed rotating shaft, and this is promoted mainly moving sliding roller and utilizes the motion of described sliding roller erecting bed to push the inner peripheral surface of the bottom of described annealing furnace inner cover; The stationary roll erecting bed, this stationary roll erecting bed is located on the described main erecting bed and along the vertical direction orientation, makes described stationary roll erecting bed be parallel to the periphery that is placed on the described annealing furnace inner cover on the described main erecting bed; Main stationary roll, this main stationary roll are located in the described stationary roll erecting bed and have vertically directed rotating shaft, described when promoting mainly moving sliding roller and pushing the inner peripheral surface of described annealing furnace inner cover described main stationary roll support the periphery of described annealing furnace inner cover; The backform erecting bed, this backform erecting bed is located at relative position on the sidewall of described main erecting bed and vertically directed, each backform erecting bed has the two-link arm structure, make that hold-down arm is connected to each other by linkage connector up and down, this linkage connector is located at the mid-way of described arm, the described hold-down arm of going up of described backform erecting bed is connected to corresponding connecting rod arm cylinder, and this link arm cylinder is connected with described main erecting bed, thereby makes the described hold-down arm rotation of going up by the operation of described link arm cylinder; Backform, this backform are connected to the described hold-down arm of going up of described backform erecting bed, have the shape corresponding to the exterior semi-spherical surface at described annealing furnace inner cover top; Internal mold lift cylinder, this internal mold lift cylinder are located on the central part of described main erecting bed and upright orientation; And internal mold, this internal mold is located on the described internal mold lift cylinder, and this internal mold has the shape corresponding to the semisphere internal surface at described annealing furnace inner cover top.
Preferably, described equipment may further include the high frequency heat producer, this high frequency heat producer comprises the position that is located in the described main erecting bed contiguous described main stationary roll and the arc electrode of orientation parallel to each other, thereby when being placed on described annealing furnace inner cover on the described main erecting bed, described arc electrode moves up and makes described arc electrode face the internal surface and the outside surface of the bottom of described annealing furnace inner cover respectively.
In another aspect, the invention provides a kind of method of straightening annealing stove inner cover, this method comprises: bottom aligning preparation step, this step is placed on described annealing furnace inner cover on the transfer roller, and use and to promote mainly moving cylinder and move described annealing furnace inner cover and make the rotation of described annealing furnace inner cover aim at the rotation center that limits by described transfer roller, described transfer roller is located on the main erecting bed and along the radial directed of described main erecting bed; Bottom aligning step, this step utilize the operation of described radially transfer roller to make described annealing furnace inner cover rotation, and utilize from described and promote mainly power that moving cylinder transmits and promoting mainly between moving sliding roller and the main stationary roll extruding and aligning the crushed element of the bottom of described annealing furnace inner cover; Top aligning preparation step, this step utilizes the operation of link arm cylinder to rotate up the last hold-down arm of backform erecting bed, makes backform be arranged in the top at described annealing furnace inner cover top; And top aligning step, this step in described annealing furnace inner cover, move up internal mold and with the described top squeeze of described annealing furnace inner cover to described backform, thereby align the crushed element at described top.
Preferably, described method can further comprise the bottom pre-heating step between described bottom aligning preparation step and described bottom aligning step, the move up described crushed element of the bottom that is located at high frequency heat producer in the described main erecting bed and the described annealing furnace inner cover of preheating of this step.
In addition, described method can further comprise the top pre-heating step, the described top of the described annealing furnace inner cover of this step preheating after at least one step of selecting from described bottom aligning preparation step to the aligning preparation step of described top.
Description of drawings
Can be expressly understood the above-mentioned of this aspect and other purpose, characteristic and advantage from following detailed in conjunction with the accompanying drawings, in the accompanying drawing:
Fig. 1 is the sectional view of structure of representing according to the embodiment of the present invention, be used for the equipment of straightening annealing stove inner cover;
Fig. 2 is the front cross sectional view of the equipment for straightening among Fig. 1;
Fig. 3 is the section plan of the equipment for straightening among Fig. 1;
Fig. 4 is that the figure according to the process of equipment for straightening straightening annealing stove inner cover of the present invention is used in expression to Fig. 8.
The description of the Reference numeral the in＜accompanying drawing 〉
1: main erecting bed 2: promote mainly moving cylinder
3: promote mainly moving sliding roller 30: sliding roller erecting bed
4: main stationary roll 40: stationary roll erecting bed
5: transfer roller
6: the internal mold lift cylinder
7: backform erecting bed 70: go up hold-down arm
700: linkage connector
10: the inner cover guide roller
11: guide 12 under the inner cover: internal mold
14: backform 15: the link arm cylinder
18: sliding roller erecting bed sliding guide piece
19: the high frequency heat producer
20: the top firing device
21: the annealing furnace inner cover
Embodiment
Describe preferred implementation of the present invention with reference to the accompanying drawings in detail.In description of the invention,, the present invention can more clearly be described thereby just omit these explanations if the detailed explanation of known technology and structure can make main idea of the present invention unclear.
The function of considering element among the present invention determine the present invention describe in the term and the word of used element.Can change these terms and word according to user or operator's intention or custom, so term and word must be understood based on the whole contents of specification sheets of the present invention.
Fig. 1 is the sectional view of expression according to the structure of equipment preferred implementation of the present invention, that be used for straightening annealing stove inner cover.Fig. 2 is the front cross sectional view of equipment for straightening.Fig. 3 is the section plan of equipment for straightening.Fig. 4 is the figure that the process of equipment for straightening straightening annealing stove inner cover is used in expression to Fig. 8.
As shown in the drawing, equipment for straightening of the present invention comprise promote mainly moving cylinder 2, radially transfer roller 5, main erecting bed 1, sliding roller erecting bed 30, promote mainly moving sliding roller 3, annealing furnace inner cover 21, stationary roll erecting bed 40, main stationary roll 4, linkage connector 700, link arm cylinder 15, backform erecting bed 7, backform 14, internal mold lift cylinder 6, internal mold 12 and high frequency heat producer 19.
Main erecting bed 1 is a mould, places and process annealing furnace inner cover 21 to be aligned thereon.The different elements that is used to rotate and align the annealing furnace inner cover of being placed 21 is installed on main erecting bed 1.
In detail, as shown in fig. 1, promote mainly moving cylinder 2 and be located in the main erecting bed 1, and can expand along the radial direction of main erecting bed 1.Radially transfer roller 5 is located on the main erecting bed 1 and is radially directed, and the following end in contact of this transfer roller and tubular annealing furnace inner cover 21 also makes 21 rotations of annealing furnace inner cover, as shown in Figure 3.
When straightening operation was carried out in expectation, at first the annealing furnace inner cover 21 with distortion was placed on the central part of main erecting bed 1 to prepare straightening operation.Straightening operation is undertaken by following steps: make annealing furnace inner cover 21 rotations that are placed on the main erecting bed 1 and the lower sidewall of pushing annealing furnace inner cover 21, thus straightening annealing stove inner cover 21 aduncate crushed elements.
Promoting mainly moving cylinder 2 its outer rim of mind-set from main erecting bed 1 expands, be arranged in the main erecting bed 1 so that the rotation center that 21 rotations of annealing furnace inner cover are centered on is aimed in the center of circle that is limited by the lower end of the annealing furnace inner cover 21 on main erecting bed 1 to be placed, that is to say, the rotation of annealing furnace inner cover 21 is aimed at the center that rotatablely moves.
As shown in Figure 4, promote mainly moving cylinder 2 and use to be connected to and promote mainly the moving sliding roller 3 of promoting mainly of moving cylinder 2 the annealing furnace inner cover of placing 21 is moved to the main stationary roll 4 that hereinafter will explain, thereby the rotation of annealing furnace inner cover 21 is navigated to rotation center.Simultaneously, promoting mainly moving cylinder 2 is used for providing straightening force to the bottom of annealing furnace inner cover 21 sidewalls.
After the rotation of annealing furnace inner cover 21 is aimed at rotation center, make 21 rotations of annealing furnace inner cover by transfer roller 5, this transfer roller 5 is located on the main erecting bed 1 also radially directed around rotation center.
Using sliding roller erecting bed 30 to realize promoting mainly moves cylinder 2 and promotes mainly the connection of moving between the sliding roller 3.As shown in Figure 1 and Figure 4, sliding roller erecting bed 30 is L shaped piston arms of promoting mainly moving cylinder 2.Sliding roller erecting bed 30 extends from promoting mainly moving cylinder 2, makes sliding roller erecting bed 30 uprightly be placed on the top of main erecting bed 1.
As shown in Figures 4 and 5, sliding roller erecting bed 30 comprises the sliding roller 3 of promotion, and the internal surface of the annealing furnace inner cover 21 on making the sliding roller 3 of this promotion and being placed on main erecting bed 1 contacts.Promote sliding roller 3 and have rotating shaft, this shaft parallel is in the rotation of annealing furnace inner cover 21 and perpendicular to the upper surface of main erecting bed 1.When moving cylinder 2 is promoted mainly in operation, promote mainly the outwards sidewalls of extruding annealing furnace inner covers 21 of moving sliding roller 3.
In other words, promote mainly moving sliding roller 3 with the device of main stationary roll 4 as the crushed element of extruding and straightening annealing stove inner cover 21 bottoms.
Main stationary roll 4 will be described below.Main stationary roll 4 is located on the stationary roll erecting bed 40.Stationary roll erecting bed 40 uprightly is located on the main erecting bed 1 and is positioned at the outside of the periphery of annealing furnace inner cover 21.Main stationary roll 4 is located in the rotating shaft, and this rotating shaft is located in the stationary roll erecting bed 40 and vertical orientation, winner's stationary roll 4 is parallel to promotes mainly moving sliding roller 3.Master's stationary roll 4 is as the extruding strut member when promoting mainly the crushed element of moving sliding roller 3 extruding annealing furnace inner covers 21.
As shown in Figure 3, high frequency heat producer 19 is arranged in the position of contiguous main stationary roll 4 in the main erecting bed 1.High frequency heat producer 19 comprises two arcs, and they are used as electrode and face with each other.When annealing furnace inner cover 21 being placed on the main erecting bed 1, the arc of the high frequency heat that moves up producer 19 makes them face the surfaces externally and internally of the bottom of annealing furnace inner cover 21 respectively, and the crushed element of the bottom of heating anneal stove inner cover 21.
Consider the direction of annealing furnace inner cover 21 rotation, high frequency heat producer 19 just must be arranged in before the crushed element of annealing furnace inner cover 21 arrives main stationary roll 4 can this crushed element of preheating the position.In addition, form arc as the arc of electrode, these arcs are parallel to each other and have and the co-axial axis of the rotation of annealing furnace inner cover 21, disturb the rotation of annealing furnace inner cover 21 to prevent described arc.
Preferably, by promoting mainly after moving cylinder 2 is set to the tram with annealing furnace inner cover 21 electrode of the high frequency heat producer 19 that in main erecting bed 1, moves up.
As depicted in figs. 1 and 2, backform erecting bed 7 uprightly is located on the relative position on the sidewall of main erecting bed 1.Each backform erecting bed 7 is two-link arm, and hold-down arm was by linkage connector 700 structures connected to one another about this link arm had wherein, and this linkage connector 700 is located at the mid-way of arm.Each link arm cylinder 15 extends from main erecting bed 1, is connected to corresponding last hold-down arm 70, and hold-down arm is the last connecting rod of backform erecting bed 7 on this, thereby makes hold-down arm 70 around linkage connector 700 rotations by the operation of link arm cylinder 15.Like this, each backform erecting bed 7 is erecting beds of rotatable type.
Certainly, for guaranteeing to go up the rotation of hold-down arm 70, link arm cylinder 15 must connect with last hold-down arm 70 and main erecting bed 1 with rotatable connecting rod connecting mode.
The invention is characterized in, the bend of lower end of crushed element of promoting mainly moving sliding roller 3 and main stationary roll 4 extruding annealing furnace inner covers 21 by use when annealing furnace inner cover 21 rotation to be aligning, and by using the shape mould corresponding with the top on opposition side, to push the distortion top of annealing furnace inner cover 21 to align.
For the mould of shape, support shapes corresponding to the mould 14 of outer surface of cupular part (below be called ' backform ') by backform erecting bed 7 corresponding to annealing furnace inner cover 21 tops.
In the present invention, backform 14 is configured such that and can changes its position according to the step of aligning process, to prevent the motion of backform 14 interference annealing furnace inner covers 21 when annealing furnace inner cover 21 is placed on the main erecting bed 1.In detail, when annealing furnace inner cover 21 moves and be placed on the main erecting bed 1 (at this moment, annealing furnace inner cover 21 moves in the vertical direction), as shown in Figure 6, the rotation by backform erecting bed 7 is rotated down backform 14.When requiring to use backform 14 to carry out the operation at top of straightening annealing stove inner cover 21, backform erecting bed 7 is rotated up make backform 14 be arranged in annealing furnace inner cover 21 directly over, as shown in Fig. 1 and Fig. 7.
Here, the operation by link arm cylinder 15 realizes the rotation of backform erecting bed 7, and this link arm cylinder 15 is connected to the corresponding hold-down arm 70 of going up of backform erecting bed 7.
At this moment, as shown in Figure 8, in annealing furnace inner cover 21, make the internal surface at shape and annealing furnace inner cover 21 tops corresponding mould 12 (below be called ' internal mold ') move up, with the internal surface of extruding annealing furnace inner cover 21.
In detail, when the operation at the top of carrying out straightening annealing stove inner cover 21, backform 14 is as strut member, and internal mold 12 is as pressing body.For this reason, as shown in Fig. 1, Fig. 2 and Fig. 8, thereby provide the internal mold lift cylinder 6 of pressure uprightly to be arranged on the central part of main erecting bed 1 with promoting the top of internal mold 12 for extruding and straightening annealing stove inner cover 21.
Preferably, as shown in figs. 1 and 4, internal mold is promoted tail rod 13 be located on the main erecting bed 1 around internal mold lift cylinder 6, thus the vertical shifting of support and guiding internal mold lift cylinder 6.
Simultaneously, briefly, have in the process of equipment for straightening straightening annealing stove inner cover 21 of the present invention of above-mentioned structure in use, in 21 rotations of annealing furnace inner cover, push the also distortion bottom of straightening annealing stove inner cover 21 by corresponding roller, then, its distortion top layout is pushed and aligning between cover mold (backform 14 and internal mold 12) and by cover mold.
In detail, aligning process of the present invention comprises bottom aligning preparation step, bottom pre-heating step, bottom aligning step, top aligning preparation step and top aligning step.In the aligning preparation step of bottom, as shown in Figure 4, annealing furnace inner cover 21 is placed on the main erecting bed 1, and transfer roller 5 is also radially directed on this main erecting bed 1 along circumferential arrangement, promotes mainly moving cylinder 2 and moves the rotation center that annealing furnace inner cover 21 makes its rotation aligning be limited by transfer roller 5.
In the pre-heating step of bottom, high frequency heat producer 19 moves up and (to be aligned) crushed elements of preheating annealing furnace inner cover 21 lower ends.
As shown in Figure 5, in the aligning step of bottom, operating radially, transfer roller 5 utilizes simultaneously from the power of promoting mainly moving cylinder 2 transmission and moves the crushed element of sliding roller 3 and 4 extruding of main stationary roll and aligning annealing furnace inner cover 21 lower ends of preheating the pre-heating step of bottom by promoting mainly with rotation annealing furnace inner cover 21.
As shown in Fig. 6 and Fig. 7, in top aligning preparation step, after finishing bottom aligning step, the operation by link arm cylinder 15 rotates up the last hold-down arm 70 of backform erecting bed 7, thereby backform 14 is arranged in the over top of annealing furnace inner cover 21.
Certainly, in top aligning preparation step, promote mainly moving sliding roller 3 and enter the state that shrinks back its starting position by the operation of promoting mainly moving cylinder 2, with the vertical shifting of guaranteeing that annealing furnace inner cover 21 is level and smooth.
In top aligning step, as shown in Figure 8, internal mold 12 in annealing furnace inner cover 21, move up and with the top squeeze of annealing furnace inner cover 21 to backform 14, thereby the crushed element at aligning top.
Here, from bottom aligning preparation step is aligned at least one step of selecting the preparation step to the top after, preferably carry out the top pre-heating step at preheating annealing furnace inner cover 21 tops.
Preferably, use comprises that the indirect heating device of the electrode that shape is corresponding with the top of annealing furnace inner cover 21 carries out the top pre-heating step.
As mentioned above, the invention provides a kind of equipment that is used for the crushed element of automatic flattening annealing furnace inner cover, and the method for using this equipment for straightening straightening annealing stove inner cover.
Although disclose preferred implementation of the present invention for illustration purposes, it should be appreciated by those skilled in the art that and to carry out different modifications, increase and alternative with reference to accompanying drawing.
Therefore, the invention is not restricted to preferred implementation, the spirit and scope of the present invention must be limited to wherein that those skilled in the art can realize in described modification, increase and the alternate scope under the situation that does not deviate from main idea of the present invention disclosed in the accompanying claims.
Claims (5)
1. equipment that is used for straightening annealing stove inner cover, this equipment comprises:
Main erecting bed, in the central part of this main erecting bed, be provided with and promote mainly moving cylinder, this is promoted mainly moving cylinder and can radially expand, be provided with along the transfer roller of the radial directed of this main erecting bed on described main erecting bed, described transfer roller and the following end in contact that is placed on the annealing furnace inner cover on the described main erecting bed are so that described annealing furnace inner cover rotation;
Sliding roller erecting bed, this cunning roller erecting bed is connected to described piston and the upright orientation of promoting mainly moving cylinder, make this cunning roller erecting bed be parallel to the inner peripheral surface that is placed on the annealing furnace inner cover on the described main erecting bed, described sliding roller erecting bed can radially sliding along described main erecting bed;
Promote mainly moving sliding roller, this is promoted mainly moving sliding roller and is located in the described sliding roller erecting bed and has vertically directed rotating shaft, and this is promoted mainly moving sliding roller and utilizes the motion of described sliding roller erecting bed to push the inner peripheral surface of the bottom of described annealing furnace inner cover;
The stationary roll erecting bed, this stationary roll erecting bed is located on the described main erecting bed and along the vertical direction orientation, makes described stationary roll erecting bed be parallel to the periphery that is placed on the described annealing furnace inner cover on the described main erecting bed;
Main stationary roll, this main stationary roll are located in the described stationary roll erecting bed and have vertically directed rotating shaft, described when promoting mainly moving sliding roller and pushing the inner peripheral surface of described annealing furnace inner cover described main stationary roll support the periphery of described annealing furnace inner cover;
The backform erecting bed, this backform erecting bed is located at relative position on the sidewall of described main erecting bed and vertically directed, each backform erecting bed has the two-link arm structure, make that hold-down arm is connected to each other by linkage connector up and down, this linkage connector is located at the mid-way of described arm, the described hold-down arm of going up of described backform erecting bed is connected to corresponding connecting rod arm cylinder, and this link arm cylinder is connected with described main erecting bed, thereby makes the described hold-down arm rotation of going up by the operation of described link arm cylinder;
Backform, this backform are connected to the described hold-down arm of going up of described backform erecting bed, have the shape corresponding to the exterior semi-spherical surface at described annealing furnace inner cover top;
Internal mold lift cylinder, this internal mold lift cylinder are located on the central part of described main erecting bed and upright orientation; And
Internal mold, this internal mold are located on the described internal mold lift cylinder, and this internal mold has the shape corresponding to the semisphere internal surface at described annealing furnace inner cover top.
2. according to the equipment described in the claim 1, this equipment also comprises:
The high frequency heat producer, this high frequency heat producer comprises the position that is located in the described main erecting bed contiguous described main stationary roll and the arc electrode of orientation parallel to each other, thereby when being placed on described annealing furnace inner cover on the described main erecting bed, described arc electrode moves up and makes described arc electrode face the internal surface and the outside surface of the bottom of described annealing furnace inner cover respectively.
3. the method for a straightening annealing stove inner cover, this method comprises:
Bottom aligning preparation step, this step is placed on described annealing furnace inner cover on the transfer roller, and use and to promote mainly moving cylinder and move described annealing furnace inner cover and make the rotation of described annealing furnace inner cover aim at the rotation center that limits by described transfer roller, described transfer roller is located on the main erecting bed and along the radial directed of described main erecting bed;
Bottom aligning step, this step utilize the operation of described radially transfer roller to make described annealing furnace inner cover rotation, and utilize from described and promote mainly power that moving cylinder transmits and promoting mainly between moving sliding roller and the main stationary roll extruding and aligning the crushed element of the bottom of described annealing furnace inner cover;
Top aligning preparation step, this step utilizes the operation of link arm cylinder to rotate up the last hold-down arm of backform erecting bed, makes backform be arranged in the top at described annealing furnace inner cover top; And
Top aligning step, this step in described annealing furnace inner cover, move up internal mold and with the described top squeeze of described annealing furnace inner cover to described backform, thereby align the crushed element at described top.
4. according to the method described in the claim 3, this method also comprises:
Bottom pre-heating step, this step between described bottom aligning preparation step and described bottom aligning step, the described crushed element of the bottom that is located at high frequency heat producer in the described main erecting bed and the described annealing furnace inner cover of preheating of moving up.
5. according to the method described in the claim 4, this method also comprises:
The top pre-heating step, this step is being aligned preparation step after at least one step of selecting the preparation step is aligned at described top from described bottom, the described top of the described annealing furnace inner cover of preheating.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2007-0038704 | 2007-04-20 | ||
| KR1020070038704A KR100736718B1 (en) | 2007-04-20 | 2007-04-20 | Annealing furnace inner cover mending machinery and method as the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101289701A true CN101289701A (en) | 2008-10-22 |
| CN101289701B CN101289701B (en) | 2010-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100741003A Expired - Fee Related CN101289701B (en) | 2007-04-20 | 2008-02-25 | Annealing furnace inner cover mending machinery and method as the same |
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| Country | Link |
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| KR (1) | KR100736718B1 (en) |
| CN (1) | CN101289701B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101298536B1 (en) | 2008-04-02 | 2013-08-22 | 주식회사 포스코 | A inner cover for heat-treating coil |
| KR101220275B1 (en) * | 2008-04-02 | 2013-02-07 | 주식회사 포스코 | Apparatus for hauling inner cover |
| KR101126113B1 (en) | 2009-12-10 | 2012-03-29 | 서훈산업유한회사 | Top portion correction device of inner cover for annealing furnace |
| CN110303071A (en) * | 2019-08-07 | 2019-10-08 | 包头威丰新材料有限公司 | A kind of equipment that CB line inner cover circularity is corrected again |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS5746367Y2 (en) | 1979-03-03 | 1982-10-13 | ||
| JPS5611257U (en) | 1979-07-02 | 1981-01-30 | ||
| CN2353764Y (en) * | 1998-10-22 | 1999-12-15 | 无锡市南洋化工机械厂 | Inner cover of cover-type annealing furnace |
| KR100560809B1 (en) * | 2001-09-11 | 2006-03-14 | 주식회사 포스코 | Outcover suppoting apparatus of annealing furnace |
| KR100823593B1 (en) * | 2001-12-22 | 2008-04-21 | 주식회사 포스코 | Apparatus rotating an inner cover of a batch annealing furnace |
-
2007
- 2007-04-20 KR KR1020070038704A patent/KR100736718B1/en not_active IP Right Cessation
-
2008
- 2008-02-25 CN CN2008100741003A patent/CN101289701B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR100736718B1 (en) | 2007-07-09 |
| CN101289701B (en) | 2010-09-22 |
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