CN207872731U - One kind being used for quick-replaceable work roll change - Google Patents
One kind being used for quick-replaceable work roll change Download PDFInfo
- Publication number
- CN207872731U CN207872731U CN201721613352.XU CN201721613352U CN207872731U CN 207872731 U CN207872731 U CN 207872731U CN 201721613352 U CN201721613352 U CN 201721613352U CN 207872731 U CN207872731 U CN 207872731U
- Authority
- CN
- China
- Prior art keywords
- roll
- working roll
- clamping head
- quick
- roller
- 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
Landscapes
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Abstract
The utility model discloses one kind being used for quick-replaceable work roll change, is suitable for multi-roll mill, it is characterised in that：The multi-roll mill working roll is without bearing block, or working roll with bearing block but there is the laterally movable space for assembling local width not less than working roll, this activity space to allow another group of working roll concurrently therewith in rack before the working roll extracts rack out in the assembly parts of roll change state bottom working roll and bearing block in rack along stocking transverse movement direction；Described is used for quick-replaceable work roll change, with at least two rows of clamping heads, a row is known as entrance clamping head corresponding to stocking inlet side, and a row is known as exporting clamping head close to stocking outlet side, each row's clamping head includes a pair of clamping head up and down, and each clamping head is mutually parallel suspension.By changing rig and work roll bracket support cooperation, changing rig once passes in and out rolling-mill housing and just finishes working roll replacement.Significantly improve roll change efficiency.
Description
Technical field
The utility model belongs to multi-roll mill technical field, and in particular to a kind of fast roll changing of multiple roll cold-strip milling train
Device.
Background technology
It, generally will be in single device in addition to the less type of the rollers number such as 2 rollers, 4 rollers, 6 rollers in cold rolled metal strip field
Roll quantity is more than that the milling train system of 6 ~ 8 rollers is referred to as multi-roll mill, such as 36 roller mills, 20 roller mills, 18 roller mills, 12 rollings
Machine, 10 roller mills etc..Multi-roll mill is chiefly used in the particular/special requirements products such as rolling thickness is relatively thin, intensity is higher, has thickness and precision
The good, advantages such as plate shape is excellent, are widely applied by industry.
One of the characteristic feature of this kind of milling train is：General work roller roller diameter design size is smaller, without bearing block,
Other roll bodies are relied in rack to grip jointly.When replacing working roll, the clamping carried on roll change assembling device is generally used
At least one end of working roll roll body is clamped by mechanism, extracts old roller out out of rack and is packed into new roller.
The existing multi-roll mill that is widely used changes jobs roller method, and process is in detail：
（1）Milling train is switched to roll change position, and roll gap is opened, and work roll bracket holds up working roll；
（2）Changing rig clamping device not belt roller, into rolling-mill housing；
（3）Changing rig it is axial in place after, gripper mechanism grips live old working roll；
（4）Work roll bracket retracts standby position, and changing rig extracts old working roll out rolling-mill housing；
（5）Changing rig clamping device clamps new working roll, into rolling-mill housing；
（6）The new working roll of changing rig band it is axial in place after, work roll bracket holds up working roll, and clamping device unclamps work
Roller；
（7）Changing rig exits rolling-mill housing；
（8）Roll change terminates, and milling train is switched to rolling position.
This roll change process, this changing rig structure and mistake more similar with general 4 roller, 6 roller mill roll-changing methods
The general as-rolled condition figure as shown in Figs 1-4 of the basic schematic diagram of journey, the roller readiness figure that changes jobs, change jobs roller state diagram
（Roll changing carriage is outside rack）, change jobs roller state diagram（Roll changing carriage is in rack）.Such as Fig. 3 and 4, in each milling train, including upper centre
A pair of of work roll bracket 3, the roll change folder that roller assembly 1 and lower intermediate calender rolls assembly 7, collateral runner assembly 2, the left and right sides are respectively set
Device 4, changing rig 5, top working roll 6, bottom working roll 8 are held, vertically interval is folded respectively for a pair of of work roll bracket 3 of each side
It sets, holds up top working roll 6 and bottom working roll 8；Changing rig 5 fixes roll change clamping device 4, and roll change clamping device 4 is clamped simultaneously
Top working roll 6, bottom working roll 8.
It is " the new roller-zero load of the unloaded old roller-push-in of entrance-extraction is exited " flow, changing rig is needed in disengaging milling train
It is longer to expend the time for rack 2 times.
Utility model content
The technical problems to be solved in the utility model is to solve the inefficient defect of existing multi-roll mill roll change, provides one
Kind is used for quick-replaceable work roll change, simple in structure easy to operate, can facilitate clamping working roll using the device；
Rolling-mill housing can be once passed in and out by changing rig just to finish working roll replacement, significantly improve roll change efficiency.
In order to solve the above technical problems, the utility model adopts the following technical solution：
One kind being used for quick-replaceable work roll change, is suitable for multi-roll mill, it is characterised in that：
The multi-roll mill working roll is without bearing block or working roll with bearing block but in roll change state bottom working roll
There is the transverse direction that local width is assembled not less than working roll in rack along stocking transverse movement direction with the assembly parts of bearing block
Activity space, this activity space allow another group of working roll concurrently therewith in rack before the working roll extracts rack out；
Described is used for quick-replaceable work roll change, and there are at least two rows of clamping heads, a row to correspond to stocking
Inlet side is known as entrance clamping head, and a row is known as exporting clamping head close to stocking outlet side, and each row's clamping head includes a pair
Upper and lower clamping head, each clamping head are mutually parallel suspension.
Further, the clamping head includes the bracket of bottom, and the setting of bracket top interval can be to the bracket side
The toggle clip device for compressing working roll to application active force.
Further, the clamping head of the changing rig is connect with clamping driving end.
Using above-mentioned changing rig quick-replaceable working roll method, it is characterised in that pass through changing rig and work roll bracket
Support cooperation, changing rig once pass in and out rolling-mill housing and just finish working roll replacement, specifically comprise the following steps：
（1）Milling train is switched to roll change position, and roll gap is opened, and entrance side work roll bracket holds up the old work of 1 couple needed replacing
Make roller, while the traversing old working roll of a pair is close to inlet of rolling mill side；
（2）Changing rig enters rolling-mill housing, and outlet clamping headband 1 pair of new working roll, entrance clamping head zero load shape
State；
（3）Changing rig is along working roll axially into rolling-mill housing, and outlet clamping headband new working roll during this
Axially in place；
（4）Outlet side work roll bracket holds new working roll；
（5）The entrance clamping head of changing rig clamps the old working roll of 1 couple for being close to entrance side；
（6）Entrance side work roll bracket is retracted into rolling position, and entrance side 1 only enters old working roll by changing rig at this time
Mouth clamping head is fixed；Meanwhile outlet side work roll bracket holds up the new working roll of 1 couple that outlet side has just been pushed into and remains stationary as；
（7）The outlet clamping head of changing rig unclamps the new working roll of 1 couple positioned at outlet side, this stylish working roll only leans on out
Work roll bracket in mouth side is held；
（8）Changing rig exits rolling-mill housing：Its entrance clamping headband 1 pair of old working roll, exports clamping head zero load shape
State；
（9）Milling train is switched to rolling position, and roll gap is closed, and outlet side work roll bracket is retracted into rolling position, and roll change terminates.
In above-mentioned technical proposal, above-mentioned steps（1）-（9）When replacing working roll, outlet side and entrance side sequence in turn into
Row, i.e., old roller are leaned on to outlet side, and new roller is come in from entrance side, and both old roller and new roller are staggered.
In above-mentioned technical proposal, single working roll can be only clamped by often arranging clamping head, can allow to replace single work
Roller.
In above-mentioned technical proposal, new working roll is entering rack in place and before old working roll is extracted rack, new to work
Roller and old working roll are simultaneously stored in rolling-mill housing, and new working roll should not be in contact with old working roll.
In above-mentioned technical proposal, changing rig first carries the new working roll of preparation change before entering rack roll change.
It is " being extracted out with old roller with new roller push-in-" that utility model works roller, which replaces flow, as a result, and changing rig only needs
1 into 1 goes out rolling-mill housing, can complete the main process of roll change.
Changing rig possesses at least 2 groups of fixing devices（Clamping head i.e. above-mentioned）For establishing force effect between working roll
Relationship, every group can clamp at least 1 working roll, and 2 groups of fixing devices independent can clamp working roll, unclamping working roll
Switch between state, so as to independent switching and new working roll, the fixed relationship of old working roll, it is new to realize that new roller unclamps afterwards in place
Working roll and the target fixed old working roll simultaneously, finally complete roll change flow in once disengaging rack stroke.
Roller method that the utility model referred to change jobs, using this kind of multi-roll mill working roll without bearing block, in machine
There is certain this characteristic feature of laterally movable space, it is proposed that a kind of " being extracted out with old roller with new roller push-in-" two in frame
Workflow：Using laterally movable space of the working roll in rack, old working roll is lateral when milling train is switched to roll change state
（Along stocking entrance or export direction）Mobile a distance reserves appropriate space, newly to be introduced into rack to new working roll
Working roll can be placed side by side on old working roll in rolling-mill housing.The utility model is by taking 18 roller mills as an example, to a kind of typical fast
The description of quick change working roll realization method.Other such as 20 roller mills, 36 roller mills can also use similar roller replacing mode real
Existing fast roll changing.
The utility model changes jobs before old working roll extraction of the roller method in rolling-mill housing, and new working roll has been pushed into
Rack." the new roller-zero load of the unloaded old roller-push-in of entrance-extraction is exited " that conventional cold-rolling mill milling train is replaced to working roll as a result, is changed
Roller process simplification is " being extracted out with old roller with new roller push-in-" two workflows, can effectively improve the efficiency for the roller that changes jobs.
The utility model relatively traditional roll-changing method of roller method that changes jobs reduces the action frequency of changing rig, can contract
Short roll changing time 30 ~ 60%, especially for broad strip mill, when the movement travel of changing rig disengaging rack is larger, using this
Utility model helps significantly to shorten roll changing time, improves the operating rate of milling train.
Description of the drawings
Fig. 1 is the as-rolled condition figure of multi-roll mill in the prior art.
Fig. 2 is the roller readiness figure that changes jobs of Fig. 1.
Fig. 3 is the roller state diagram that changes jobs of Fig. 1（Roll changing carriage is outside rack）.
Fig. 4 is the roller state diagram that changes jobs of Fig. 1（Roll changing carriage is in rack）.
Fig. 5 is the changing rig implemented according to the utility model.
Fig. 6 is the another stereogram of Fig. 5.
Fig. 7 changes jobs to be switched to from as-rolled condition according to the milling train of the utility model quick-replaceable working roll method implementation
Roller readiness figure.
Fig. 8 is that the milling train implemented according to the utility model quick-replaceable working roll method changes jobs roller state diagram（Roll changing carriage
Outside rack, when new roller is pushed into）.
Fig. 9 is that the milling train implemented according to the utility model quick-replaceable working roll method changes jobs roller state diagram（Roll changing carriage
In rack）.
Figure 10 is that the milling train implemented according to the utility model quick-replaceable working roll method changes jobs roller state diagram（Roll changing carriage
In rack）Partial, diagrammatic view（Dispense intermediate calender rolls）.
Figure 11 is that the milling train implemented according to the utility model quick-replaceable working roll method changes jobs roller state diagram（Old roller is taken out
When going out, intermediate calender rolls are dispensed）.
Specific implementation mode
As seen in figs. 5-6 according to the changing rig of the utility model implementation, it is suitable for multi-roll mill, it is characterised in that：Institute
Multi-roll mill is stated without bearing block or working roll with bearing block but in the assembly parts of roll change state bottom working roll and bearing block
There is the laterally movable space that local width is assembled not less than working roll in rack along stocking transverse movement direction, this activity
Space allows another group of working roll concurrently therewith in rack before the working roll extracts rack out；Roll change as described in Fig. 5-6.
Device 1 has the double clamping head corresponded respectively to where stocking inlet and outlet（Entrance clamping head 3 and outlet clamping head 2）,
Entrance clamping head 3 and outlet clamping head 2 include that a pair of clamping head, four clamping heads up and down are arranged in parallel.
Further, entrance clamping head 3 and outlet clamping head 2 include bottom bracket, and the setting of bracket top can be to institute
It states bracket direction and applies the toggle clip device that active force compresses working roll.Bracket is not limited to figure axis tiles interior curvature and work
The matched shape of roller, as long as the shape that working roll can be clamped, such as V-shaped.
Further, entrance clamping head 3 and outlet clamping head 2 are connect with the clamping of head end driving end.
Implement quick-replaceable working roll method as illustrated in figures 7-11 according to the utility model, by taking 18 roller mills as an example, to one
The description of the typical roller realization method that quickly changes jobs of kind.Other such as 20 roller mills, 36 roller mills can also use similar change
Roller mode realizes fast roll changing.
The utility model has certain transverse direction living using this kind of multi-roll mill working roll without bearing block, in rack
A kind of dynamic this characteristic feature of space, it is proposed that " being pushed into the new old roller of roller-extraction " two workflows：Using working roll in rack
It is interior along the laterally movable space that stocking moves, old working roll is lateral when milling train is switched to roll change state（Along stocking entrance or
Export direction）Mobile a distance flows out appropriate space to be introduced into rack to new working roll, and new working roll can be with old work
Roller is placed side by side in rolling-mill housing, as follows in detail：
（1）Milling train is switched to roll change position（Such as Fig. 7）, roll gap open, entrance side work roll bracket hold up need replacing 1
To old working roll 8（It can also be single, this is sentenced for 1 pair）, while traversing being close to inlet of rolling mill side.
（2）As shown in figure 8, changing rig 1 enters rolling-mill housing, outlet clamping head 2 is with 1 pair of new working roll 8, entrance
3 light condition of clamping head；
（3）Changing rig 1 stretches into rolling-mill housing, and outlet clamping head 2 is axial in place with new working roll 8 during this；
（4）Outlet side work roll bracket 5 holds new working roll 8, as shown in Figures 9 and 10；
（5）The entrance clamping head 3 of changing rig 1 clamps the old working roll of 1 couple for being close to entrance side 8, such as Fig. 9 and
10；
（6）Entrance side work roll bracket 4 is retracted into rolling position（Entrance side 1 only leans on changing rig 1 to old working roll 8 at this time
Entrance clamping head 3 fix）, meanwhile, outlet side work roll bracket 5 holds up the new working roll 8 of 1 couple that outlet side has just been pushed into and keeps not
It is dynamic；
（7）It exports clamping head 2 and unclamps the new working roll of 1 couple positioned at outlet side 8（This stylish working roll 8 only leans on outlet side work
Make roll bracket 5 to hold）；
（8）As shown in figure 11, changing rig 1 exits rolling-mill housing：Its entrance clamping head 3 goes out with 1 pair of old working roll 8
Mouth 2 light condition of clamping head；
（9）Milling train is switched to rolling position（General mill milling state referring to Fig.1）, roll gap closure, outlet side working roll
Bracket 5 is retracted into rolling position, and roll change terminates.
The utility model quick-replaceable work roller structure and the relatively traditional roll-changing method of method reduce changing rig
Action frequency, can shorten roll changing time 30 ~ 60%, especially broad strip mill, changing rig disengaging rack movement travel it is larger
When, contribute to significantly to shorten roll changing time using the utility model, improves the operating rate of milling train.
Claims (3)
1. one kind being used for quick-replaceable work roll change, it is suitable for multi-roll mill, it is characterised in that：
The multi-roll mill working roll is without bearing block or working roll with bearing block but in roll change state bottom working roll and axis
The assembly parts of bearing have in rack along stocking transverse movement direction assembles the laterally movable of local width not less than working roll
Space, this activity space allow another group of working roll concurrently therewith in rack before the working roll extracts rack out；
Described is used for quick-replaceable work roll change, and there are at least two rows of clamping heads, a row to correspond to stocking import
Side is known as entrance clamping head, and a row is known as exporting clamping head close to stocking outlet side, and each row's clamping head includes above and below a pair of
Clamping head, each clamping head are mutually parallel suspension.
2. according to claim 1 be used for quick-replaceable work roll change, it is characterised in that：
The clamping head includes the bracket of bottom, and the setting of bracket top interval can apply active force to the bracket direction will
The toggle clip device that working roll compresses.
3. according to claim 1 be used for quick-replaceable work roll change, it is characterised in that：
The clamping head of the changing rig is connect with clamping driving end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721613352.XU CN207872731U (en) | 2017-11-28 | 2017-11-28 | One kind being used for quick-replaceable work roll change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721613352.XU CN207872731U (en) | 2017-11-28 | 2017-11-28 | One kind being used for quick-replaceable work roll change |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207872731U true CN207872731U (en) | 2018-09-18 |
Family
ID=63501190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721613352.XU Active CN207872731U (en) | 2017-11-28 | 2017-11-28 | One kind being used for quick-replaceable work roll change |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207872731U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107931335A (en) * | 2017-11-28 | 2018-04-20 | 中冶南方工程技术有限公司 | A kind of changing rig and the quick-replaceable working roll method based on it |
| CN114029839A (en) * | 2021-11-02 | 2022-02-11 | 浙江谋皮环保科技有限公司 | Roller changing method of brush roller for treating upper surface of steel plate |
| CN114515760A (en) * | 2022-04-21 | 2022-05-20 | 常州德哈斯制辊科技有限公司 | Supporting roll changing device capable of reducing abrasion |
-
2017
- 2017-11-28 CN CN201721613352.XU patent/CN207872731U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107931335A (en) * | 2017-11-28 | 2018-04-20 | 中冶南方工程技术有限公司 | A kind of changing rig and the quick-replaceable working roll method based on it |
| WO2019105112A1 (en) * | 2017-11-28 | 2019-06-06 | 中冶南方工程技术有限公司 | Roller replacing apparatus and method for rapidly replacing working roller based on roller replacing apparatus |
| US11364525B2 (en) | 2017-11-28 | 2022-06-21 | Wisdri Engineering & Research Incorporation Limited | Roll changing device and work roll changing method based on roll changing device |
| CN114029839A (en) * | 2021-11-02 | 2022-02-11 | 浙江谋皮环保科技有限公司 | Roller changing method of brush roller for treating upper surface of steel plate |
| CN114029839B (en) * | 2021-11-02 | 2023-08-04 | 浙江谋皮环保科技有限公司 | Roll changing method of brush roll for treating upper surface of steel plate |
| CN114515760A (en) * | 2022-04-21 | 2022-05-20 | 常州德哈斯制辊科技有限公司 | Supporting roll changing device capable of reducing abrasion |
| CN114515760B (en) * | 2022-04-21 | 2022-07-12 | 常州德哈斯制辊科技有限公司 | Supporting roll changing device capable of reducing abrasion |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107931335A (en) | A kind of changing rig and the quick-replaceable working roll method based on it | |
| CN207872731U (en) | One kind being used for quick-replaceable work roll change | |
| CN207709579U (en) | One kind being suitable for plank automatic alignment machine | |
| CN106944479B (en) | A kind of thin strip single chassis tandem mill and implementation method | |
| CN109092897A (en) | A kind of Impulsive Current auxiliary deep cooling reducing asymmetrical rolling apparatus and method preparing ultrafine grain metal band | |
| CN103722009A (en) | Bar continuous rolling production line | |
| CN105964691B (en) | A kind of new ten roll steel plates cold-rolling mill structure | |
| CN101474633B (en) | Tandem rolling equipment with different roller diameters for magnesium alloy thin coiled stock | |
| CN106975790A (en) | A kind of round steel cutter device | |
| CN201823755U (en) | Quick work roll replacement device of leveling machine | |
| CN102527714A (en) | Rolling method for T-shaped elevator guide rail and rolling pass system | |
| CN204412771U (en) | A kind of device preventing rolled piece torsion in the operation of rolling | |
| CN105728463B (en) | A kind of new inclined ten four-rollers Krause mill structure | |
| CN108672498A (en) | A kind of edging mill pass and rolling mill practice of the steel rail rolling with bottom edger roll | |
| CN201988575U (en) | oil roll machine applied on reversing cold mill | |
| CN207013455U (en) | A kind of milling train guider | |
| CN102921728B (en) | Method for producing titanium coils by employing single-frame twenty-roller reversing cold mill unit | |
| CN208728319U (en) | A kind of cooling ultra dense cold control device of TEMPERATURE FOR HOT STRIP LAMINAR | |
| CN205183322U (en) | Two roller copper pole cold rolling mill structures | |
| CN202343579U (en) | Hydraulic heading press for hot-rolled plate | |
| CN203448410U (en) | Anti-deviation device for cold-rolling strip steel | |
| CN202263768U (en) | Roll forming device for transverse plate of continuous variable thickness | |
| CN209716047U (en) | A kind of cold-rolling mill | |
| WO2007051369A1 (en) | A multiroll mill for hot rolling strip and plate | |
| CN202207716U (en) | Finishing mill for rolling strip steel and conveying flat steel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |