CN104307929B - Cantilevered parallel rollers roller replacing device for straightening machine - Google Patents
Cantilevered parallel rollers roller replacing device for straightening machine Download PDFInfo
- Publication number
- CN104307929B CN104307929B CN201410537813.4A CN201410537813A CN104307929B CN 104307929 B CN104307929 B CN 104307929B CN 201410537813 A CN201410537813 A CN 201410537813A CN 104307929 B CN104307929 B CN 104307929B
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- China
- Prior art keywords
- bracket
- roll
- roll changing
- changing carriage
- track frame
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/02—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling by rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/02—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
Abstract
The present invention is applicable to steel rolling aligning field, a kind of cantilevered parallel rollers roller replacing device for straightening machine is provided, described device includes that track frame, drive mechanism and roll changing carriage, described roll changing carriage are provided with bracket elevating mechanism, and described roll changing carriage is moved on described track frame by described drive mechanism.Apparatus of the present invention can realize the how secondary roller shells on bracket and smoothing roll centering the most simultaneously, roller replacing mode simple and fast, is also applied for the distance of roll changing carriage and crosses inter-bank and sail roll change.
Description
Technical field
The invention belongs to steel rolling aligning field, particularly relate to a kind of cantilevered parallel rollers roller replacing device for straightening machine.
Background technology
Straightening technology is used for the rear operation of metal strip processing, decides product, finished product to a great extent
Quality level.Need often to change due to the replacing of product specification or the abrasion of collars in straightener produces
Smoothing roll.For improving straightening quality, cantilevered parallel rollers straightener is designed with greater number of smoothing roll.
Parallel rollers straightener is at least designed as five rollers in initial design, develops into present cantilevered parallel rollers straightener
Roller number is common is nine rollers or ten rollers, the most.Roll changing time is reduced, it is desirable to rectify for improving production efficiency
Straight roller realizes roll change simultaneously.During roll change, collars is arranged on roller shell, holds each secondary roller shell assembling, torr with bracket
Frame is positioned on changing rig car body, is moved by car body and is pulled out from smoothing roll by old roller shell, and is pushed away by new roller shell
Enter on smoothing roll.
Many secondary roller shells pull out from smoothing roll and install simultaneously, considerably increase centering between roller shell and smoothing roll
Difficulty, if any one roller shell will realize beyond the margin of tolerance in the position in any one direction
Roll change simultaneously.For realizing the accurate contraposition of collars and smoothing roll, currently existing scheme, one be by smoothing roll and
The registration interface designs of roller shell is the conical surface, by the centering difficulty importing the many secondary collars of reduction of the conical surface.Other one
Kind, promote vehicle frame to move with long a pair guide rod, and with the gap of sliding sleeve restriction guide rod, it is guided, with
Realize the accurate contraposition of roller shell and smoothing roll.It is the conical surface by the registration interface designs of smoothing roll and roller shell, although subtract
Little roller shell and the difficulty of smoothing roll para-position, but reduce the intensity of smoothing roll, therefore need under same operating mode
The diameter of smoothing roll to be increased is to improve its intensity.Guided by guide rod and promote bracket to move, to guide rod
Manufacture and installation requirement is high, be difficult to adjust if any gap after a procedure；And by guide rod length limitation, roll change
The stroke of car is limited, as increased the stroke of roll changing carriage, will certainly increase guide rod length, not only increase manufacture
Installation difficulty, also makes straightener transmission side area increase.In the occasion requiring roll changing carriage to have Long travel, especially
Require roll changing carriage workshop cross across time guide rod obviously can not be used to guide and promote roll changing carriage.
Summary of the invention
In view of the above problems, it is an object of the invention to provide a kind of cantilevered parallel rollers roller replacing device for straightening machine,
This device can realize the how secondary roller shells on bracket and smoothing roll centering the most simultaneously, roller replacing mode simple and fast,
It is also applied for the distance of roll changing carriage to cross inter-bank and sail roll change.
The present invention adopts the following technical scheme that
Described cantilevered parallel rollers roller replacing device for straightening machine, including track frame, drive mechanism and roll changing carriage,
Described roll changing carriage is provided with bracket elevating mechanism, and described roll changing carriage passes through described drive mechanism at described track frame
Upper movement.
Further, described bracket elevating mechanism includes bracket and bottom bracket, and both are fixed as by latch
Integrally, described bracket elevating mechanism also includes the hydraulic cylinder being fixed on roll changing carriage and guides vertical shaft and processing
Sleeve on described bottom bracket, described hydraulic cylinder movable end is held bottom described bottom bracket, described bracket
Be equipped with the curved surface that quantity secondary with roller shell assembling is identical with bottom bracket, described surface location is in straightener and changes
The secondary position of set assembling that during roller position, upper and lower smoothing roll is installed is corresponding.
Further, described track frame is provided with track, wheel shaft is installed in described roll changing carriage, described take turns
Axle two ends are provided with wheel, and described wheel is fitted on the track.
Further, described drive mechanism includes reducing motor, is arranged on described reducing motor output shaft
The power transmission shaft drive gear, being arranged on described roll changing carriage, is provided with driven gear in the middle of described power transmission shaft,
Power transmission shaft two ends are fixed with synchromesh gear, described driving gear and described driven gear are socketed with chain, institute
Stating and be also equipped with tooth bar on track frame, described synchromesh gear engages with described tooth bar.
Further, described drive mechanism also includes the cable drum for folding and unfolding cable.
Further, described device also includes that guiding mechanism, described guiding mechanism include being arranged at the bottom of roll changing carriage
The eccentric shaft in portion, described eccentric shaft is provided with directive wheel, is additionally provided with side rails, institute inside described track frame
State directive wheel to be close to and described side rails.
Further, described track frame two ends are additionally provided with bindiny mechanism, cascade for track frame.
The invention has the beneficial effects as follows: the present invention use the hauling-out of corresponding with straightener roll of straightener position bracket and
Draw in roller shell assembling pair；And arrange oil cylinder at bottom bracket bottom symmetrical, and with guiding the guiding of vertical shaft, anti-
Only bracket reverses, it is achieved bracket synchronization lifting；Roll changing carriage uses rack pinion simultaneously, is carried by car
Slide in orbit, and the most also can use guiding mechanism that roll changing carriage is guided, it is to avoid roll change
In the deflection of all directions when car travels, it is achieved that each roller shell and the accurate centering of straightener roll of straightener on bracket；
Its position can be conveniently adjusted when deflection occurs in roll changing carriage position.It addition, need Long travel mistake at roll changing carriage
Across time have only to increase track frame.Present configuration is simple, manufactures and install easily, it is easy to operation, roll change
Convenient, roll changing time can be substantially reduced, it is achieved fast roll changing, can be widely applied to cantilevered parallel rollers aligning
In the roll change of machine.
Accompanying drawing explanation
Fig. 1 is the front view of the cantilevered parallel rollers roller replacing device for straightening machine that the embodiment of the present invention provides；
Fig. 2 is the right view of the cantilevered parallel rollers roller replacing device for straightening machine that the embodiment of the present invention provides；
Fig. 3 is the structural representation of the bracket elevating mechanism that the embodiment of the present invention provides；
Fig. 4 is local A enlarged drawing in Fig. 1；
Fig. 5 be in Fig. 2 B-B to sectional view.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and reality
Execute example, the present invention is further elaborated.Only should be appreciated that specific embodiment described herein
Only in order to explain the present invention, it is not intended to limit the present invention.
In order to technical solutions according to the invention are described, illustrate below by specific embodiment.
Fig. 1 and Fig. 2 respectively illustrates the cantilevered parallel rollers roller replacing device for straightening machine that the embodiment of the present invention provides
Main TV structure and right TV structure, illustrate only the part relevant to the embodiment of the present invention for convenience of description.
Seeing figures.1.and.2, the cantilevered parallel rollers roller replacing device for straightening machine that the present embodiment provides includes track
Frame 1, drive mechanism 2 and roll changing carriage 3, described roll changing carriage 3 is provided with bracket elevating mechanism 4, described in change
Roller car 3 is moved on described track frame 1 by described drive mechanism 2.
When implementing, described bracket elevating mechanism 4 includes bracket 41 and bottom bracket 42, and both pass through
Latch 43 is fixed as one.In conjunction with the structural representation of the bracket elevating mechanism shown in Fig. 3, described bracket liter
Descending mechanism also includes the hydraulic cylinder 44 being fixed on roll changing carriage and guides vertical shaft 45 and processing in described subiculum
Sleeve 46 on frame, the movable end of described hydraulic cylinder 44 is held bottom described bottom bracket 42, described bracket
Be equipped with the curved surface that quantity secondary with roller shell assembling is identical with bottom bracket, described surface location is in straightener and changes
The secondary position of set assembling that during roller position, upper and lower smoothing roll is installed is corresponding.
In this structure, bracket is used for supporting roll sleeve on straightener, and bottom bracket is used for supporting straightener lower roll
Roller shell, is connected by latch between upper and lower bracket, and curved surface quantity and the position of upper and lower bracket picking-up roller shell are strict
The position of the roller shell assembling pair that when being in roll change position corresponding to straightener, upper straightening roll and lower smoothing roll are installed.Figure
In showing, upper and lower bracket is equipped with 5 curved surfaces, 10 secondary roller shell roll changes can be completed.Accurate in the outer operation of rolling line
Roller shell on upper and lower bracket and bracket can be assembled pair and hang out operation area together to preparing by the crane of preparation area
District, and be lifted on roll changing carriage, it is achieved fast roll changing, save roll changing time.For avoiding bracket to hold up roller shell
Having inclination in rolling line direction and rolling line vertical direction after assembling pair, in the present embodiment, each hydraulic cylinder is arranged symmetrically with
Below bottom bracket, each hydraulic cylinder synchronous lifts and under guiding vertical shaft coordinates with the guiding of sleeve, it is achieved torr
The overall steadily lifting of frame, prevents bracket from tumbling.
As a kind of preferred structure, local A enlarged drawing in Fig. 1 as described in Figure 4, on described track frame 1
Being provided with track 11, be provided with wheel shaft 31 in described roll changing carriage 3, described wheel shaft two ends are provided with wheel 32,
Described wheel is free to rotate and is fitted on described track 11.Driven by described drive mechanism, roll changing carriage
3 even runnings on described track 11.Here, wheel loads onto the center of gravity after roller shell assembling pair according to roll changing carriage
Location arrangements, prevents from tumbling during roll changing carriage pull-out roller shell, it is ensured that stability when roll changing carriage travels at full capacity.
In the present embodiment, it is preferred that drive mechanism uses chain drive mate gear tooth bar, concrete,
Described drive mechanism 2 includes reducing motor 21, the driving tooth being arranged on described reducing motor 21 output shaft
Wheel 22, the power transmission shaft 23 being arranged on described roll changing carriage, be provided with driven gear (figure in the middle of described power transmission shaft
Not shown in), power transmission shaft 23 two ends are fixed with synchromesh gear 24, described driving gear and described driven tooth
It is socketed with chain 25 on wheel, described track frame is also equipped with tooth bar 26, described synchromesh gear and described tooth bar
Engagement.Here, realize mechanical synchronization by power transmission shaft between driven gear and synchromesh gear, during work, slow down
Motor output shaft rotates, and by described chain-driving drive axis, then by rack pinion, changes
Roller car entirety can move forward and backward in orbit.Additionally, it is preferred that, described drive mechanism 2 also includes for receiving
The cable drum 27 of unwrapping wire cable.Cable drum 27 is folding and unfolding power line and holding wire when roll changing carriage travels.
Being further used as a kind of preferred implementation, this device also includes guiding mechanism 5, as it is shown in figure 5,
Described guiding mechanism 5 includes the eccentric shaft 51 being arranged on bottom roll changing carriage, and described eccentric shaft 51 is provided with
Directive wheel 52, is additionally provided with side rails 53 inside described track frame, described directive wheel 52 is close to lead with described side
Rail 53.Adjust the offset fine-tuning roll changing carriage position of eccentric shaft, prevent car body at horizontal plane intrinsic deflection, enter
One step ensures the accurate contraposition that roller shell assembling is secondary.Therefore, when roll changing carriage offsets on rolling line direction, can lead to
The offset crossing adjustment eccentric shaft adjusts.Roll changing carriage guiding mechanism and synchromesh gear, tooth bar effect under,
Roll changing carriage can be prevented effectively from offset in motion and reverse, thus ensure that roll changing carriage position when roll change is correct,
Realize the secondary accurate contraposition with smoothing roll of each roller shell assembling.In the present embodiment, guiding mechanism is disposed with everywhere,
Before and after one side, each two are adjacent to side rails realization guiding.
In the present embodiment, track frame is arranged on roll changing carriage both sides, and track frame is provided with track, tooth bar and side
Guide rail, for the traveling of roll changing carriage, pulls or releases each roller shell assembling pair into.In some occasions, straightener changes
Roller operation area and operation area in preparation are distant, and roll changing carriage needs Long travel, especially roll changing carriage needed across
Time, in order to be suitable for this situation, it is preferred that described track frame two ends are additionally provided with bindiny mechanism, for track frame
Cascade.The stroke of roll changing carriage depends on the length of track frame, when design requires roll changing carriage Long travel, such as mistake
Across, increasing track frame can realize in track frame back.
Further, for realizing fast roll changing, need a standby secondary standby bracket, include bracket, latch equally
And bottom bracket, when preparing roll change, the assembling of new roller shell is lifted on standby bracket.Old roller is first hauled out during roll change
Set assembling, then push the assembling of new roller shell.First in the roll change preparatory stage, the assembling of new roller shell is lifted on standby torr
On frame.During specific works, in operation area in preparation, hydraulic cylinder is retracted into limit inferior position, and now bracket is also at down
Limit position；Starting reducing motor and lead to rack gear combination gear rack gear, roll changing carriage sails into bracket
To roll change position；Hydraulic cylinder rises to limit superior position, and bracket starts reducing motor, roll change after holding all roller shells
The assembling of old for each pair roller shell is hauled out from smoothing roll by car；Roll changing carriage rolls operation area away from, and hydraulic cylinder drops to limit inferior
Position；Roll changing carriage drives to operation area in preparation, and crane hangs out bracket and the assembling of old roller shell together, then in lifting
New roller shell assembling and bracket；Hydraulic cylinder rises to limit superior position, and roll changing carriage drives to roll change position by each roller shell
Assembling is pushed into smoothing roll；Hydraulic cylinder drops to limit inferior position, and bracket declines together, and roll changing carriage rolls away from, extremely
The assembling of this old roller shell is hauled out and new roller shell pushes operation and completes.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Any amendment, equivalent and the improvement etc. made within bright spirit and principle, should be included in the present invention
Protection domain within.
Claims (2)
1. a cantilevered parallel rollers roller replacing device for straightening machine, it is characterised in that described device includes that track frame, drive mechanism and roll changing carriage, described roll changing carriage are provided with bracket elevating mechanism, described roll changing carriage is moved on described track frame by described drive mechanism；Described bracket elevating mechanism includes bracket and bottom bracket, both are fixed as one by latch, described bracket elevating mechanism also includes the hydraulic cylinder being fixed on roll changing carriage and guides vertical shaft and processing sleeve on described bottom bracket, described hydraulic cylinder movable end is held bottom described bottom bracket, the synchronization that described hydraulic cylinder realizes bracket by hydraulic synchronization rises, described bracket is equipped with the curved surface that quantity secondary with roller shell assembling is identical with bottom bracket, and the secondary position of set assembling that when described surface location is in roll change position with straightener, upper and lower smoothing roll is installed is corresponding；Described bracket and bottom bracket, with the roller shell assembling pair being mounted above, overall can hang out through guiding vertical shaft or hang in from roll changing carriage；Being provided with track on described track frame, be provided with wheel shaft in described roll changing carriage, described wheel shaft two ends are provided with wheel, and described wheel is fitted on the track；The power transmission shaft driving gear, being arranged on described roll changing carriage that described drive mechanism includes reducing motor, is arranged on described reducing motor output shaft, in the middle of described power transmission shaft, driven gear is installed, power transmission shaft two ends are fixed with synchromesh gear, it is socketed with chain on described driving gear and described driven gear, being also equipped with tooth bar on described track frame, described synchromesh gear engages with described tooth bar；Described device also includes that guiding mechanism, described guiding mechanism include the eccentric shaft being arranged on bottom roll changing carriage, described eccentric shaft is provided with directive wheel, is additionally provided with side rails inside described track frame, and described directive wheel is close to described side rails；Described track frame two ends are additionally provided with bindiny mechanism, cascade for track frame.
2. device as claimed in claim 1, it is characterised in that described drive mechanism also includes the cable drum for folding and unfolding cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410537813.4A CN104307929B (en) | 2014-10-13 | 2014-10-13 | Cantilevered parallel rollers roller replacing device for straightening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410537813.4A CN104307929B (en) | 2014-10-13 | 2014-10-13 | Cantilevered parallel rollers roller replacing device for straightening machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104307929A CN104307929A (en) | 2015-01-28 |
| CN104307929B true CN104307929B (en) | 2016-09-21 |
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| CN201410537813.4A Active CN104307929B (en) | 2014-10-13 | 2014-10-13 | Cantilevered parallel rollers roller replacing device for straightening machine |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106425405B (en) * | 2016-12-07 | 2018-12-04 | 中冶赛迪工程技术股份有限公司 | The quick collars of overhung type straightening machine replaces device |
| CN107214214A (en) * | 2017-07-31 | 2017-09-29 | 石横特钢集团有限公司 | A kind of section straightener smoothing roll integral replacement device |
| CN109290454A (en) * | 2018-09-27 | 2019-02-01 | 天津市中重科技工程有限公司 | A kind of straightener concentrates roll changing system and concentrates roll-changing method |
| CN111760937B (en) * | 2020-07-28 | 2022-05-17 | 太原科技大学 | Multi-wire hole type section steel straightening machine capable of quickly changing rollers |
| CN111790774B (en) * | 2020-07-28 | 2022-04-01 | 太原科技大学 | Roll changing base of multi-line hole type section steel straightening machine |
| CN112808794B (en) * | 2020-11-30 | 2022-10-11 | 中冶华天工程技术有限公司 | Upper roller set bracket positioning and locking device and roller changing method |
| CN112427489A (en) * | 2020-11-30 | 2021-03-02 | 中冶华天工程技术有限公司 | Automatic roller changing process of row straightening machine |
| CN113369341B (en) * | 2021-06-23 | 2023-03-17 | 鞍钢集团工程技术有限公司 | Multi-roller straightener capable of being guided to ascend and descend at one side |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2772668Y (en) * | 2004-11-16 | 2006-04-19 | 西安重型机械研究所 | On-line roller replaceable device of optical rectifier |
| CN201485032U (en) * | 2009-07-27 | 2010-05-26 | 铜陵天奇蓝天机械设备有限公司 | Anti-falling device for vehicles traveling on tracks |
| CN101844168A (en) * | 2010-05-26 | 2010-09-29 | 太原重工股份有限公司 | Roll-exchanging device of tube bar straightening machine |
| KR101442889B1 (en) * | 2011-12-19 | 2014-11-04 | 주식회사 포스코 | Device for changing roller |
| CN102700915A (en) * | 2012-05-18 | 2012-10-03 | 吕彬 | Transporting device for plate processing system |
| CN202845508U (en) * | 2012-09-20 | 2013-04-03 | 天津市中重科技工程有限公司 | Roller changing mechanism of straightening machine |
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