CN217798245U - Coiling machine for coiling furnace of steckel mill - Google Patents
Coiling machine for coiling furnace of steckel mill Download PDFInfo
- Publication number
- CN217798245U CN217798245U CN202221656525.7U CN202221656525U CN217798245U CN 217798245 U CN217798245 U CN 217798245U CN 202221656525 U CN202221656525 U CN 202221656525U CN 217798245 U CN217798245 U CN 217798245U
- Authority
- CN
- China
- Prior art keywords
- reel body
- dabber
- movable flange
- mandrel
- flange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Winding, Rewinding, Material Storage Devices (AREA)
Abstract
The utility model relates to a steckel mill is rolling machine for curling furnace, including the reel body and dabber, the dabber runs through the reel body sets up on the axis of the reel body, the reel body includes stiff end and expansion end, the stiff end of the reel body be equipped with dabber fixed connection's welded flange, the expansion end of the reel body is equipped with movable flange, the spindle is close to movable flange's one end is equipped with one or more navigation key, movable flange passes through the navigation key with spindle connection still includes the restoration board, be equipped with the arc wall on the restoration board, the internal diameter of arc wall and the external diameter looks adaptation of dabber, be equipped with first draw-in groove in the arc wall of restoration board, the size of first draw-in groove and the size looks adaptation of spindle navigation key, it fixes to restore the board on the movable flange, and the navigation key card is established in first draw-in groove. The utility model provides an emergence wearing and tearing back dabber can not drive the reel body in the technical problem of the steady rotation in circumference.
Description
Technical Field
The utility model relates to a coiler for steckel mill curling furnace belongs to hot rolling equipment technical field.
Background
The steckel mill is a steel plate mill, the front and the back of a main mill of the steckel mill are provided with a coiling machine in the furnace, and in the rolling process of a steel plate, after the steel plate is rolled to reach the required thickness, the steel plate is coiled on a coiling body of the coiling machine in the furnace for heat preservation so as to reduce the temperature reduction speed of the steel plate in the rolling process. The reel body that batches the steel sheet and use drives its rotation work through the dabber, and the reel body includes expansion end and stiff end, and the stiff end and the dabber of the reel body are together fixed, because the reel body work is under 950 ~ 1000 ℃ high temperature environment, when the reel body and dabber are heated the back and are stretched or receive the cold shrink, can appear dragging deformation phenomenon between the reel body and the dabber, in order to eliminate expend with heat and contract with cold effect to the influence of the reel body and dabber, will usually the expansion end of the reel body passes through the navigation key and is connected with the dabber. However, if roll body when the rolling machine rolls the in-process of steel sheet at the curling, perhaps when the curling steel sheet of high load, all can produce unbalanced force or moment, and expand with heat and contract with cold and produce concertina movement along the axis direction between the roll body that the effect made and the dabber, finally all can lead to producing wearing and tearing between flange and the navigation key of roll body expansion end, reach certain degree when flange or navigation key wearing and tearing, when the dabber drives roll body and rotates in circumference, relative motion can appear between roll body and the dabber, the unable steady drive roll body rotation of final dabber, influence the normal work of rolling machine.
When the flange at the movable end of the winding drum body of the winding drum machine is abraded and the positioning key is worn, the repair mode of shutdown replacement is adopted at present, the repair mode needs to be realized by firstly shutting down and taking off the equipment, respectively disassembling the abraded flange disc and/or the positioning key from the winding drum body and the mandrel of the winding drum body of the steckel mill after the equipment is cooled, and finally installing a new flange disc and/or the positioning key, so that the repair mode of shutdown replacement has long repair time and seriously influences the production progress.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to provide a new technical solution to improve or solve the technical problems existing in the prior art as described above.
The utility model provides a technical scheme as follows: the utility model provides a steckel mill is rolling machine for curling furnace, includes the reel body and dabber, the dabber runs through the reel body sets up on the axis of the reel body, the reel body includes stiff end and expansion end, the stiff end of the reel body be equipped with dabber fixed connection's flange, the expansion end of the reel body is equipped with movable flange, the spindle is close to movable flange's one end is equipped with the navigation key, be equipped with the second draw-in groove on the movable flange, movable flange passes through the second draw-in groove with dabber navigation key-type connection still includes the restoration board, be equipped with the arc wall on the restoration board, the internal diameter of arc wall and the external diameter looks adaptation of dabber, be equipped with first draw-in groove in the arc wall of restoration board, the restoration board is fixed movable flange is last, and first draw-in groove card is established on the navigation key of dabber.
Further, the repair plate is arc-shaped, fan-shaped or square.
Furthermore, the repair plates are two, and the two repair plates are connected end to form a circular ring sleeved on the mandrel.
Further, the repair plate is made of 40 chromium steel or stainless steel.
Furthermore, bearing seats are arranged at two ends of the mandrel.
Furthermore, the thickness of the repair plate is 60-200 mm.
Furthermore, the number of the positioning keys is two, and the two positioning keys are symmetrically arranged along the radial direction of the mandrel and relative to the axis of the mandrel.
Furthermore, the repair plate is fixed on the movable flange in a welding mode.
The beneficial effects of the utility model are that: the utility model discloses a carry out the rolling machine after online restoration when the rolling machine expansion end appears wearing and tearing for the steckel mill curling furnace, after taking place wearing and tearing, the size of the second draw-in groove of navigation key can diminish or/and moving flange can the grow, can appear the clearance between the second draw-in groove of spindle navigation key and moving flange, the dabber drives the reel body when upwards rotating in week, relative motion can appear between the reel body and the dabber, it is not hard up that the key-type connection between dabber and the reel appears promptly, the dabber can not continue to drive the steady rotation of the reel body. When producing wearing and tearing between the flange of barrel activity end and the navigation key, fix the restoration board on the loose flange, and the spindle navigation key card is established in the first draw-in groove of restoration board, thereby the fit clearance that dabber and loose flange produced because of wearing and tearing has been eliminated, the restoration board has the effect that prevents navigation key and loose flange cooperation, the restoration board can be in the assembly of the online completion of the free period of equipment shut down, need not to dismantle the restoration, the relative motion problem that produces when along the rotation in a circumferential direction between the barrel of the rolling machine that has overcome and has caused because of wearing and tearing and the dabber, make the dabber can continue to drive barrel steady rotation, and the efficiency of restoration is improved, the repair time is shortened, practice thrift the operation restoration expense.
Drawings
FIG. 1 is a schematic view of the mandrel and mandrel combination of the present invention;
FIG. 2 is a schematic structural view of the mounting of the movable flange and the welding flange of the present invention;
FIG. 3 is a view of the projection from the direction A in FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of the structure at E in FIG. 3 according to the present invention;
FIG. 5 is a schematic view of the structure of the repair plate of the present invention;
FIG. 6 is a schematic structural view of a repair plate repair of the present invention;
FIG. 7 is a front view of FIG. 6 of the present invention;
FIG. 8 is a right side view of FIG. 7 of the present invention;
FIG. 9 is an enlarged view of the structure of FIG. 8 at F according to the present invention;
FIG. 10 is a schematic structural diagram of a second embodiment of the present invention;
fig. 11 is a schematic structural view of a repair plate according to a second embodiment of the present invention;
FIG. 12 is a schematic structural diagram of a third embodiment of the present invention;
in the figure, 1, a reel body; 101. a first flange mounting portion; 1011. welding a flange; 102. a second flange mounting portion; 1021. a movable flange; 2. a mandrel; 3. a positioning key; 4. repairing the plate; 401. an arc-shaped slot; 402. a first card slot; 403. a second card slot; 5. and the bearing seat supports.
Detailed Description
The principles and features of the present invention are described below in conjunction with examples, which are set forth only to illustrate the present invention and are not intended to limit the scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1 to 9, a rolling machine for a rolling furnace of a steckel mill is disclosed in a specific embodiment, which includes a rolling cylinder 1, a mandrel 2 and a repair plate 4, wherein the mandrel 2 penetrates through the rolling cylinder 1 and is disposed on an axis of the rolling cylinder 1, the rolling cylinder 1 includes a fixed end and a movable end, the fixed end of the rolling cylinder 1 is provided with a welding flange 1011 fixedly connected with the mandrel 2, the movable end of the rolling cylinder 1 is provided with a movable flange 1021, one end of the mandrel 2 close to the movable flange 1021 is provided with a positioning key 3, the movable flange 1021 is provided with a second clamping groove 403, the movable flange is connected with the positioning key 3 on the mandrel 2 in a matching manner through the second clamping groove 403, the repair plate 4 is provided with an arc-shaped groove 401, an inner diameter of the arc-shaped groove 401 is adapted to an outer diameter of the mandrel 2, a first clamping groove 402 is disposed in the arc-shaped groove 401 of the repair plate 4, the repair plate 4 is fixed on the movable flange, and the first clamping groove 1021 (402) is clamped on the positioning key (3) of the mandrel (2).
More specifically, a first flange mounting part 101 is arranged at the fixed end of the winding drum body 1, a second flange mounting part 102 is arranged at the movable end of the winding drum body 1, the first flange mounting part 101 at the fixed end of the winding drum body 1 is connected with a welding flange 1011 through a bolt, a through hole for the core shaft 2 to pass through is arranged in the center of the welding flange 1011, and the welding flange 1011 is connected with the core shaft 2 in a welding manner after being sleeved on the core shaft 2; the other end of the mandrel 2 is provided with one or more key grooves, in this embodiment, two key grooves are formed, the two key grooves are oppositely arranged on two sides of the mandrel 2, positioning keys 3 are installed in the key grooves, a movable flange 1021 is fixed on the second flange installation part 102 of the movable end of the winding drum body 1, a through hole is formed in the center of the movable flange 1021, second clamping grooves 403 matched with the positioning keys 3 in number are formed in the side wall of the through hole, in this embodiment, the number of the second clamping grooves 403 is two, and after the movable flange 1021 is sleeved on the mandrel 2, the second clamping grooves 403 of the movable flange 1021 are clamped on the positioning keys 3 of the mandrel 2; the movable end of the winding drum body 1 is matched with the second clamping groove 402 through the positioning key 3 in a positioning mode, so that the mandrel 2 can drive the winding drum body 1 to rotate in the circumferential direction, and when the winding drum body 1 or the mandrel 2 is heated and elongated, the winding drum body 1 and the mandrel 2 cannot be pulled; however, if the reel body 1 of the reel machine encounters a large impact effect in the process of rolling a steel plate, or when the steel plate is rolled under a high load, an unbalanced force or a moment is generated, and the reel body 1 and the mandrel 2 are subjected to a telescopic motion along the axis direction under the action of thermal expansion and cold contraction, which finally causes abrasion between the movable flange 1021 at the movable end of the reel body 1 and the positioning key 3 on the mandrel 2, when the movable flange 1021 or the positioning key 3 is abraded to a certain extent, the mandrel 2 drives the reel body 1 to rotate in the circumferential direction, relative motion occurs between the reel body 1 and the mandrel 2, and finally the mandrel 2 cannot stably drive the reel body 1 to rotate, thereby affecting the normal operation of the reel machine.
The utility model discloses a carry out the rolling machine after online restoration when the rolling machine expansion end appears wearing and tearing for the steckel mill curls stove, after taking place wearing and tearing, the size of navigation key 3 can diminish or/and the size of second draw-in groove 403 can grow, can appear the clearance (as shown in figure 4) between the second draw-in groove 403 of the navigation key 3 on the dabber 2 and activity flange 1021, when dabber 2 drives the winding drum body 1 and rotates in week, relative motion can appear between the winding drum body 1 and the dabber 2, the online restoration method of going on when the rolling machine expansion end appears wearing and tearing for the steckel mill curls stove is as follows:
(1) Manufacturing a repairing plate 4, wherein an arc-shaped groove 401 is formed in the repairing plate 4, the inner diameter of the arc-shaped groove 401 is matched with the outer diameter of the mandrel 2, a first clamping groove 402 is formed in the arc-shaped groove 401 of the repairing plate 4, and the size of the first clamping groove 402 is matched with the size of the worn positioning key 3 on the mandrel 2;
(2) And mounting, namely clamping the first clamping groove 402 of the repair plate 4 on the positioning key 3 on the mandrel 2, and fixing the repair plate 4 on the movable flange 1021. The mode that repair plate 4 is fixed to movable flange 1021 can be selected according to the operating mode, preferably through the welded mode, of course, also can be through bolted fixation, can also be through modes such as interference fit.
When producing wearing and tearing between the flange of the reel body 1 expansion end and the navigation key 3, adopt the utility model discloses a repair method, will repair and fix on movable flange 1021 the board 4 of will repairing behind the first draw-in groove 402 on the board 4 and the 3 joints of the navigation key on the dabber 2, the fit clearance (as shown in fig. 9) of dabber 2 and movable flange 1021 production because of wearing and tearing have been eliminated, can accomplish the restoration on line in the neutral period that equipment stopped, need not to dismantle and repair, the reel body 1 of having overcome the reel machine that causes because of wearing and tearing produces the relative motion problem when rotatory along circumference between dabber 2, make dabber 2 can continue to drive reel body 1 and steadily rotate, improve the repair efficiency, shorten the repair time, practice thrift the operation restoration expense.
In addition, in the present embodiment, the repair plate 4 is circular arc-shaped, but the repair plate 4 may also be in other shapes, such as fan-shaped or square. The repair plate 4 is made of 40 chromium steel, and the 40 chromium steel is one of the most widely used alloy structural steels in the mechanical manufacturing industry, and has good performances of wear resistance, chemical corrosion resistance, tearing resistance, high bearing capacity, shock absorption, buffering and the like. The thickness of the repair plate 4 is 60mm to 200mm, preferably 90mm. Of course, other materials, such as stainless steel, may be used to manufacture the repair plate 4, and for those skilled in the art, the material of the repair plate 4 may be selected according to specific working conditions.
The second embodiment is as follows:
as shown in fig. 10 and 11, unlike the first embodiment, two circular arc repair plates 4 are manufactured, and the two circular arc repair plates 4 are connected end to form a circular ring sleeved on the mandrel 2. The connecting axial connecting strength of the winding drum body 1 and the mandrel 2 can be increased through the two repairing plates 4.
The third concrete embodiment:
as shown in fig. 12, different from the first embodiment, bearing seats are disposed at two ends of the mandrel 2, and two ends of the mandrel 2 are supported by the bearing seats 5, so that the mandrel 2 can be ensured to rotate stably.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (8)
1. The utility model provides a rolling machine for rolling mill curling furnace, includes the reel body (1) and dabber (2), dabber (2) run through the reel body (1) and set up on the axis of the reel body (1), the reel body (1) includes stiff end and expansion end, the stiff end of the reel body (1) be equipped with dabber (2) fixed connection's welding flange (1011), the expansion end of the reel body (1) is equipped with movable flange (1021), be close to on dabber (2) the one end of movable flange (1021) is equipped with navigation key (3), be equipped with second draw-in groove (403) on movable flange (1021), movable flange (1021) passes through second draw-in groove (403) with on dabber (2) navigation key (3) cooperation is connected, its characterized in that, still includes restoration board (4), be equipped with arc wall (401) on restoration board (4), the internal diameter and the external diameter looks adaptation of draw-in groove (2) of arc wall (401), be equipped with first arc wall (402) in restoration board (4) and establish on first navigation key (402) first movable flange (402).
2. The coiler for steckel coiling furnaces according to claim 1, characterised in that said repair plate (4) is arc-shaped, sector-shaped or square.
3. The coiler for steckel mills crimping furnaces according to claim 2, characterized in that the repair plate (4) is in two pieces, the two pieces of repair plate (4) being joined end to form a ring externally fitted on the mandrel (2).
4. The coiler for steckel coiling furnaces according to any of the claims from 1 to 3, characterised in that the repair plate (4) is made of 40 chromium steel or stainless steel.
5. The coiler for steckel coiling furnaces according to claim 4, characterised in that the mandrel (2) is provided with bearing housings at both ends.
6. The coiler for steckel mills curling ovens according to claim 1, characterized in that said repair plate (4) has a thickness comprised between 60mm and 200mm.
7. The coiler for steckel mill curling furnaces according to claim 1, characterized in that said positioning keys (3) are two in number, two of said positioning keys (3) being arranged symmetrically with respect to the axis of the mandrel (2) in the radial direction of the mandrel (2).
8. The coiler for steckel mill curling furnaces according to claim 1, characterized in that said repair plate (4) is fixed to the movable flange (1021) by means of welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221656525.7U CN217798245U (en) | 2022-06-29 | 2022-06-29 | Coiling machine for coiling furnace of steckel mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221656525.7U CN217798245U (en) | 2022-06-29 | 2022-06-29 | Coiling machine for coiling furnace of steckel mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217798245U true CN217798245U (en) | 2022-11-15 |
Family
ID=83960352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221656525.7U Active CN217798245U (en) | 2022-06-29 | 2022-06-29 | Coiling machine for coiling furnace of steckel mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217798245U (en) |
-
2022
- 2022-06-29 CN CN202221656525.7U patent/CN217798245U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209716097U (en) | A kind of mechanical collapsible drum | |
| CN104439933B (en) | Technological method for improving performance of large-diameter carbon steel cast and rolled flange part | |
| CN203343175U (en) | Horizontal roll of universal rolling mill | |
| CN109623523A (en) | A kind of online arrangement for grinding of tube straightener for pipe straightening roll | |
| CN217798245U (en) | Coiling machine for coiling furnace of steckel mill | |
| CN105420481A (en) | Oblique rolling and ball-milling steel ball quenching device | |
| EP3148946B1 (en) | Roll for handling a load in a furnace usable in a continuous casting and rolling process for thin carbon steel slabs | |
| CN201357180Y (en) | Steel coil winding drum | |
| JP2006057939A (en) | Support device for rotary kiln | |
| CN115193947A (en) | Online repairing method for abrasion of rolling machine movable end of rolling machine for steckel mill curling furnace | |
| CN203592280U (en) | Large-scale bearing lossless detaching device | |
| CN202054876U (en) | Furnace bottom roller with inclined surface mechanism | |
| CN202215528U (en) | Detachable expanding-collapsing cylinder for pickling uncoiler | |
| CN209866970U (en) | Novel horizontal roller of combined H-shaped steel universal rolling mill and H-shaped steel universal rolling mill | |
| CN104894355A (en) | Method for refining and controlling crystalline grains of metal pipe material in single stage manner | |
| JPH0390220A (en) | Device for working flang at tube end | |
| CN211283021U (en) | Belted steel unwinding mechanism is used in steel footboard processing | |
| CN109852786B (en) | Oil gas pipeline welded post-weld processing apparatus | |
| CN206897531U (en) | A kind of discharge end can realize double slide shoe bearing barrel body of tube mill of heat blocking | |
| CN205851564U (en) | Hot rolling steekle mill slewing rollers | |
| CN202062550U (en) | Suiting type crepper roller | |
| CN201501918U (en) | Cantilever roller way of steel billet heating furnace | |
| EP2463037B1 (en) | Method for producing a hot coiler drum | |
| CN202576509U (en) | Hearth roll with gear locking mechanism | |
| CN219851677U (en) | Support roller of stretch bending straightener |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |