CN208680170U - A kind of hydraulic Quick roll-changing device of jobbing sheet-rolling mill - Google Patents
A kind of hydraulic Quick roll-changing device of jobbing sheet-rolling mill Download PDFInfo
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- CN208680170U CN208680170U CN201821139390.0U CN201821139390U CN208680170U CN 208680170 U CN208680170 U CN 208680170U CN 201821139390 U CN201821139390 U CN 201821139390U CN 208680170 U CN208680170 U CN 208680170U
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Abstract
The utility model relates to a kind of hydraulic Quick roll-changing devices of jobbing sheet-rolling mill, belong to heavy and medium plate mill production technical field.Technical solution is: turnover mechanism (14) includes overturning hydraulic cylinder (12), firm banking (15), overturn platform (16) and pin shaft (17), firm banking (15) is fixed on melt pit (30), platform (16) are overturn to be rotatablely connected by pin shaft (17) and firm banking (15), the cylinder body of overturning hydraulic cylinder (12) is fixed on pit base (31), the cylinder rod end of overturning hydraulic cylinder (12) is hinged in overturning platform (16), push-and-pull hydraulic cylinder (11) is fixed on the overturning platform (16) in turnover mechanism (14), the cylinder rod end of push-and-pull hydraulic cylinder (11) is equipped with the hook (25) matched with roll change buggy (13).The beneficial effects of the utility model are: the roller time that changes jobs was down within 0.5 hour by original 2 hours, production operational availability is improved.
Description
Technical field
The utility model relates to a kind of hydraulic Quick roll-changing devices of jobbing sheet-rolling mill, belong to heavy and medium plate mill production equipment technology
Field.
Background technique
Printed line main mill equipment is to manufacture German SACK company the 1830's in Handan Iron and Steel Co medium plate mill, and Handan Iron and Steel Co exists
Used mill equipment is purchased from German steel mill within 1991, milling equipment was installed and put into production in 1991.The rolling mill characteristic is good,
Roll-force and rigidity are higher than domestic similar milling equipment.
Jobbing sheet-rolling mill replaces roll device, since putting into production, has used mechanical gear chain drive roll change side always
Formula, due to rack and pinion drive mechanism high failure rate, low efficiency seriously affects roll change rhythm.After use fixed pulley instead, utilize overhead traveling crane
Replacement working roll is carried out with wirerope.During replacing working roll, operator is needed to set out wirerope, operation is not
It is convenient, need man power and material larger, and draw wirerope roller replacing mode to there is very big security risk, working roll card using overhead traveling crane
When resistance, overhead traveling crane draws wirerope to be unable to accurate judgement pulling force, be easy to cause disconnected rope, there are many insecurity factors, seriously threaten
Personal safety.In addition, roll change is also limited in space, it is inconvenient for operation.
Currently, existing jobbing sheet-rolling mill replaces roll device, working roll is replaced every time and requires 2 hours or so, roll change
Time is all longer, seriously affects middle printed line production, is affected to production operational availability.
Utility model content
The utility model aim is to provide a kind of hydraulic Quick roll-changing device of jobbing sheet-rolling mill, can effectively shorten milling train
The time of working roll is replaced every time, and printed line milling train production operation efficiency in raising solves the problems, such as background technique.
The technical solution of the utility model is:
A kind of hydraulic Quick roll-changing device of jobbing sheet-rolling mill, comprising push-and-pull hydraulic cylinder, roll change buggy, turnover mechanism, hook,
Hole, pit base, the turnover mechanism include that overturning hydraulic cylinder, firm banking, overturning platform and pin shaft, firm banking are fixed on
On melt pit, overturning platform is rotatablely connected by pin shaft and firm banking, and the cylinder body for overturning hydraulic cylinder is fixed on pit base, turns over
The cylinder rod end for turning hydraulic cylinder is hinged on overturning platform, and push-and-pull hydraulic cylinder is fixed on the overturning platform in turnover mechanism, push-and-pull
The cylinder rod end of hydraulic cylinder is equipped with the hook matched with roll change buggy.
Overturning platform in the turnover mechanism is equipped with locating piece and fixed bracket, and push-and-pull hydraulic cylinder passes through fixed bracket
It is fixed on the locating piece on overturning platform.
The locating piece is the arc matched with push-and-pull hydraulic cylinder.
The push-and-pull hydraulic cylinder includes two hydraulic cylinders being fixed together.
Firm banking and overturning platform in the turnover mechanism are that steel plate is welded.
The push-and-pull hydraulic cylinder and overturning hydraulic cylinder are equipped with power unit and control unit, and the power unit uses motor
And plunger pump；Described control unit uses proportional reversing valve and solenoid directional control valve, and proportional reversing valve controls push-and-pull hydraulic cylinder, electromagnetism
Reversal valve control overturning hydraulic cylinder.
Using the utility model, specific roll-changing method is comprised the steps of:
1. operation overturning hydraulic cylinder, driving overturning platform rotation, expose the push-and-pull hydraulic cylinder being fixed on overturning platform
Ground, and make the center line of the center line of push-and-pull hydraulic cylinder, the center line of roll change buggy and working roll on the same axis；
2. the hook of push-and-pull hydraulic cylinder one end is connected on roll change buggy；
3. operating push-and-pull hydraulic cylinder, electromagnet on the left of proportional reversing valve is set to obtain electric, push-and-pull hydraulic cylinder stretching, drive roll change is small
Vehicle is moved in rolling-mill housing, and roll change buggy is connect with working roll bearing block pin shaft；
4. operating push-and-pull hydraulic cylinder, electromagnet on the right side of proportional reversing valve is set to obtain electric, push-and-pull hydraulic cylinder retraction, drive roll change is small
Vehicle and working roll move together, and complete to take out roller movement；
5. the working roll needed replacing is connected on roll change buggy, push-and-pull hydraulic cylinder is operated, drives roll change buggy to rolling
Aircraft window mouth is moved in rolling-mill housing, and the working roll needed replacing is mounted on milling train；
6. operating push-and-pull hydraulic cylinder, roll change buggy is driven to return to initial position, and push-and-pull hydraulic cylinder is small with roll change
Vehicle separation；
7. operation overturning hydraulic cylinder, driving overturning platform overturning, overturning platform is turned to be stopped with behind ground level position,
Complete roller replacing operation.
The beneficial effects of the utility model are:
(1) roller time that changes jobs was down within 0.5 hour by original 2 hours, effectively saved roll changing time, was improved
Production operational availability.
(2) when replacing working roll, push-and-pull hydraulic cylinder is turned on ground by turnover mechanism, carries out replacement working roll
Operation, at the end of roll change, is turned in melt pit and is stashed, prevent hydraulic cylinder from being collided, and hydraulic cylinder is damaged；
(3) in-site installation space is saved, existing security risk when roll change process is eliminated.
Detailed description of the invention
Fig. 1 is the utility model hydraulic system principle figure；
Fig. 2 is the utility model structure diagram；
Fig. 3 is that the utility model overturns schematic diagram after platform overturning；
Fig. 4 is that the utility model overturns schematic diagram before platform is overturn；
Fig. 5 is the utility model firm banking main view；
Fig. 6 newly pushes away firm banking top view to be originally practical；
Fig. 7 is the utility model firm banking cross-sectional view；
Fig. 8 is that the utility model overturns platform main view；
Fig. 9 is that the utility model overturns platform top view；
Figure 10 is that the utility model overturns platform cross-sectional view；
Figure 11 is the utility model push-and-pull hydraulic cylinder main view；
Figure 12 is the utility model push-and-pull hydraulic cylinder top view；
Figure 13 is that the utility model overturns hydraulic cylinder main view；
Figure 14 is the utility model top view；
Figure 15 is the utility model roll change buggy schematic diagram；
Figure 16 is push-and-pull hydraulic cylinder schematic diagram before the utility model roll change；
Figure 17 is that the utility model push-and-pull hydraulic cylinder takes out roller process schematic one；
Figure 18 is that the utility model push-and-pull hydraulic cylinder takes out roller process schematic two；
Figure 19 is that the utility model push-and-pull hydraulic cylinder fills roller process schematic；
In figure: plunger pump 1, electromagnetic relief valve 2, high pressure filter 3, pressure changeover valve 4, proportional reversing valve 5, oil return filter
Device 6, solenoid directional control valve 7, bidirectional throttling valve 8, balanced valve 9, overflow valve 10, push-and-pull hydraulic cylinder 11, overturning hydraulic cylinder 12, roll change are small
Vehicle 13, turnover mechanism 14, firm banking 15, overturning platform 16, pin shaft 17, overturning platform connect with firm banking pin shaft hole 19,
Overturn hydraulic cylinder connection pin shaft hole 20, hook 25, melt pit 31, pit base 31, pedestal fixing bolt 32.
Specific embodiment
Below in conjunction with attached drawing, by example, the utility model is described in further detail.
Referring to attached drawing 1, a kind of hydraulic Quick roll-changing device of jobbing sheet-rolling mill comprising push-and-pull hydraulic cylinder 11, roll change buggy 13, is turned over
Rotation mechanism 14, hook 25, melt pit 30, pit base 31, the turnover mechanism 14 include overturning hydraulic cylinder 12, firm banking 15,
Overturning platform 16 and pin shaft 17, firm banking 15 are fixed on melt pit 30, and overturning platform 16 passes through pin shaft 17 and firm banking 15
The cylinder body of rotation connection, overturning hydraulic cylinder 12 is fixed on pit base 31, and the cylinder rod end of overturning hydraulic cylinder 12 is hinged on overturning
On platform 16, push-and-pull hydraulic cylinder 11 is fixed on the overturning platform 16 in turnover mechanism 14, and the cylinder rod end of push-and-pull hydraulic cylinder 11 is set
There is the hook 25 matched with roll change buggy 13.
In the present embodiment, referring to attached drawing 1, attached drawing 1 is the HYDRAULIC CONTROL SYSTEM of the hydraulic Quick roll-changing device of jobbing sheet-rolling mill
Schematic diagram, including plunger pump 1, electromagnetic relief valve 2, high pressure filter 3, pressure changeover valve 4, proportional reversing valve 5, return filter
6, solenoid directional control valve 7, bidirectional throttling valve 8, balanced valve 9, overflow valve 10, push-and-pull hydraulic cylinder 11 and overturning hydraulic cylinder 12.Hydraulic pressure system
System includes power unit, control unit and execution unit three parts.Power unit uses motor+plunger pump, mentions for hydraulic system
For power source；Control unit selects proportional reversing valve 5 and solenoid directional control valve 7, and it is dynamic that proportional reversing valve 5 controls push-and-pull hydraulic cylinder 11
Make, completes the extraction and loading movement of working roll；The control overturning hydraulic cylinder 12 of solenoid directional control valve 7 acts, and realizes turnover mechanism
Overturning；Executing agency is push-and-pull hydraulic cylinder 11 and overturning hydraulic cylinder 12, and wherein push-and-pull hydraulic cylinder 11 is by two big stroke hydraulic cylinders
Cylinder body is connected, and controls the extraction and loading of working roll, and overturning hydraulic cylinder 12 controls digging and falling for turnover mechanism.
Referring to attached drawing 2,3,4, the overturning platform 16 in turnover mechanism 14 is equipped with locating piece 23 and fixed bracket 24, positioning
Block 23 is the arc matched with push-and-pull hydraulic cylinder 11, and two locating pieces 23 are positioned opposite, and push-and-pull hydraulic cylinder 11 passes through fixed branch
Frame 24 is fixed on the locating piece 23 on overturning platform 16, guarantees that 11 horizontal direction position of push-and-pull hydraulic cylinder is fixed.
Referring to attached drawing 11,12, push-and-pull hydraulic cylinder 11 is connected using two big stroke hydraulic cylinder cylinder barrel, two Barrel of Hydraulic Cylinders
It is bolted with cylinder barrel, two hydraulic cylinders is fixed together, to meet replacement working roll stroke needs, realize replacement work
Make roller function.
Referring to attached drawing 2,11,11 1 end plug of push-and-pull hydraulic cylinder is fixed on turnover mechanism 14 by fixed bracket, is pushed and pulled
The 11 plunger other end of hydraulic cylinder installs a Removable hook 25, is connected with roll change buggy 13, when replacing working roll, pushes and pulls hydraulic
After cylinder 11 stretches out, when touching roll change buggy, 25 hooks are connected together with roll change buggy 13.
Referring to attached drawing 5-10, firm banking 15 and overturning platform 16 are welded using steel plate, meet design requirement.Solid
Determine to be processed into overturning hydraulic cylinder installation pin hole and overturning stage+module pin hole using steel plate on pedestal 15, it will fixed bottom by pin shaft
Seat realizes rotary movement together with overturning stage+module.12 cylinder barrel of hydraulic cylinder and firm banking pin hole is overturn to connect by pin shaft
It connects, plunger is connect with overturning platform pin hole by pin shaft.
Referring to attached drawing 3,4, the stretching by overturning hydraulic cylinder 12 is dug with retraction completion overturning platform 16 and dropping action.
Overturning platform 16 is for installing push-and-pull hydraulic cylinder 11, and the overturning control overturning platform 16 of hydraulic cylinder 12 is dug and lands, and design is turned over
Turn platform 16 mainly for protecting push-and-pull hydraulic cylinder 11, push-and-pull hydraulic cylinder 11 is prevented to be knocked on the ground, damages；In replacement work
When making roller, overturning platform 16 is dug, for replacing working roll, after the completion of roll change, overturning platform 16 is landed, protection push-and-pull liquid
Cylinder pressure 11.
Claims (6)
1. a kind of hydraulic Quick roll-changing device of jobbing sheet-rolling mill, it is characterised in that comprising push-and-pull hydraulic cylinder (11), roll change buggy (13),
Turnover mechanism (14), hook (25), melt pit (30), pit base (31), the turnover mechanism (14) include overturning hydraulic cylinder
(12), firm banking (15), overturning platform (16) and pin shaft (17), firm banking (15) are fixed on melt pit (30), and overturning is flat
Platform (16) is rotatablely connected by pin shaft (17) and firm banking (15), and the cylinder body of overturning hydraulic cylinder (12) is fixed on pit base
(31) on, the cylinder rod end of overturning hydraulic cylinder (12) is hinged in overturning platform (16), and push-and-pull hydraulic cylinder (11) is fixed on tipper
On overturning platform (16) in structure (14), the cylinder rod end of push-and-pull hydraulic cylinder (11) is equipped with the hook matched with roll change buggy (13)
(25).
2. the hydraulic Quick roll-changing device of a kind of jobbing sheet-rolling mill according to claim 1, it is characterised in that the turnover mechanism
(14) the overturning platform (16) in is equipped with locating piece (23) and fixes bracket (24), and push-and-pull hydraulic cylinder (11) passes through fixed bracket
(24) it is fixed on the locating piece (23) in overturning platform (16).
3. the hydraulic Quick roll-changing device of a kind of jobbing sheet-rolling mill according to claim 2, it is characterised in that the locating piece
(23) arc to be matched with push-and-pull hydraulic cylinder (11).
4. the hydraulic Quick roll-changing device of a kind of jobbing sheet-rolling mill according to claim 1 or 2, it is characterised in that the push-and-pull liquid
Cylinder pressure (11) includes two hydraulic cylinders being fixed together.
5. the hydraulic Quick roll-changing device of a kind of jobbing sheet-rolling mill according to claim 1 or 2, it is characterised in that the tipper
Firm banking (15) and overturning platform (16) in structure (14) are that steel plate is welded.
6. the hydraulic Quick roll-changing device of a kind of jobbing sheet-rolling mill according to claim 1, it is characterised in that the push-and-pull is hydraulic
Cylinder (11) and overturning hydraulic cylinder (12) are equipped with power unit and control unit, and the power unit uses motor and plunger pump (1)；
Described control unit uses proportional reversing valve (5) and solenoid directional control valve (7), and proportional reversing valve (5) controls push-and-pull hydraulic cylinder (11),
Solenoid directional control valve (7) control overturning hydraulic cylinder (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821139390.0U CN208680170U (en) | 2018-07-18 | 2018-07-18 | A kind of hydraulic Quick roll-changing device of jobbing sheet-rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821139390.0U CN208680170U (en) | 2018-07-18 | 2018-07-18 | A kind of hydraulic Quick roll-changing device of jobbing sheet-rolling mill |
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| Publication Number | Publication Date |
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| CN208680170U true CN208680170U (en) | 2019-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821139390.0U Active CN208680170U (en) | 2018-07-18 | 2018-07-18 | A kind of hydraulic Quick roll-changing device of jobbing sheet-rolling mill |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108927410A (en) * | 2018-07-18 | 2018-12-04 | 邯郸钢铁集团有限责任公司 | A kind of hydraulic Quick roll-changing device of jobbing sheet-rolling mill and its roll-changing method |
-
2018
- 2018-07-18 CN CN201821139390.0U patent/CN208680170U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108927410A (en) * | 2018-07-18 | 2018-12-04 | 邯郸钢铁集团有限责任公司 | A kind of hydraulic Quick roll-changing device of jobbing sheet-rolling mill and its roll-changing method |
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