CN110303054A - A kind of mill roll-gap automatic regulating apparatus and its application method - Google Patents
A kind of mill roll-gap automatic regulating apparatus and its application method Download PDFInfo
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- CN110303054A CN110303054A CN201910722262.1A CN201910722262A CN110303054A CN 110303054 A CN110303054 A CN 110303054A CN 201910722262 A CN201910722262 A CN 201910722262A CN 110303054 A CN110303054 A CN 110303054A
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 74
- 230000033001 locomotion Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000003801 milling Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009087 cell motility Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/16—Adjusting or positioning rolls
- B21B31/20—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
- B21B31/22—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis mechanically, e.g. by thrust blocks, inserts for removal
- B21B31/24—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis mechanically, e.g. by thrust blocks, inserts for removal by screws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/58—Roll-force control; Roll-gap control
- B21B37/60—Roll-force control; Roll-gap control by control of a motor which drives an adjusting screw
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B38/10—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring roll-gap, e.g. pass indicators
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
- Control Of Metal Rolling (AREA)
Abstract
The invention belongs to metallurgical equipment technology fields, it is related to a kind of mill roll-gap automatic regulating apparatus and its application method, mill roll-gap automatic regulating apparatus includes roll gap adjustment unit and two roll shafts being arranged on roll gap adjustment unit, roll gap adjustment unit includes two adjustment axis disposed in parallel and the driving unit for driving two adjustment axis rotations, two roll shafts are eccentrically set on respectively on one end of two adjustment axis, further include angle detection device and control unit；Such as the application method of above-mentioned mill roll-gap automatic regulating apparatus, include the following steps, sets fixed value of roller slit；Adjust roll gap actual value；Such as the application method of above-mentioned mill roll-gap automatic regulating apparatus, include the following steps, setting rolled piece is sized；Adjust rolled piece actual size.Caliper detects rolled piece actual size, realizes that roll gap adjust automatically improves workpiece measurement precision without manually adjusting fixed value of roller slit.
Description
Technical field
The invention belongs to metallurgical equipment technology field, it is related to a kind of mill roll-gap automatic regulating apparatus and its application method.
Background technique
The high-speed wire mill equipment of modernization generallys use cantilever rolling mill and realizes that being crossed 45 ° of no twist rollings and high speed rolls
System.It is released so far from the technology, wherein mill roll-gap is always using manually adjusting and detecting, and automatization level is lower, because of milling train
Stress condition is complex, and roll gap often changes because of the operating conditions such as material, load difference, and manually adjusts roll gap and be difficult to root
Change according to roll gap and real-time online detection and adjustment are carried out to roll gap size.And roll gap is manually adjusted due to cannot achieve roll gap
Real-time online detection and adjustment be unable to ensure leading to for wire rod so can not adaptively be adjusted according to rolled piece outlet size
Dimensional accuracy.
Summary of the invention
In view of this, being used the purpose of the present invention is to provide a kind of mill roll-gap automatic regulating apparatus and its application method
Automatic and continuous adjustment is carried out in the roll gap to milling train.
In order to achieve the above objectives, the invention provides the following technical scheme: a kind of mill roll-gap automatic regulating apparatus, including roller
Two roll shafts that seam adjusts unit and is arranged on the roll gap adjustment unit, two roll shafts are arranged in parallel；The roll gap
Adjusting unit includes two adjustment axis disposed in parallel and the driving unit for driving two adjustment axis rotations, the tune
The axis of bearing is parallel to the axis of the roll shaft, and two adjustment axis are rotating around the incorgruous rotation of its axis；Two rollers
Axis is eccentrically set on respectively on the two described adjustment one end of axis far from the driving unit, between two adjustment axis between
Away to adjust distance between axles, two roll shafts are symmetrical arranged about the middle vertical plane of the adjustment distance between axles；It further include angle detection
Element and control unit, the angle detection device are equipped with detection gear, and the axis of the detection gear is parallel to the tune
The axis of bearing, is provided at least one described adjustment axis and the detection tooth that is used cooperatively of detection gear around its axis
Item, the detection gear intermesh with the detection rack gear；Described control unit respectively with the angle detection device and institute
State driving unit connection.
Optionally, the driving unit includes that two adjusting nuts and driving screw rod, the driving screw rod extending direction hang down
Directly in being respectively arranged with oppositely oriented thread segment on the axis direction of the adjustment axis, the both ends of the driving screw rod, two
The adjusting nut is symmetrically arranged on two thread segments, two adjusting nuts respectively with two adjustment
Axis is slidably connected, and the driving screw rod rotates in two adjusting nuts, and two adjusting nuts are along the driving silk
The extending direction symmetric motion of bar.
Optionally, the driving unit further includes the driving motor and transmission gear for driving the driving screw rod to rotate
Group, the driving motor are connected by the driving gear set with the driving screw rod, and the driving gear set is connected to described
The both ends of screw rod are driven, the driving motor is driven by the driving gear set simultaneously in the both ends of the driving screw rod.
Optionally, further include two detecting elements with and detection bar, one end of the detection bar be fixedly connected on two institutes
It states on one in adjustment axis, the detection bar is rotated with the adjustment axis, and the other end of the detection bar is in two inspections
It surveys between element and swings, two detecting elements are separately positioned in the maximum rotated position of the detection bar two sides, and two
The detecting element is connect with described control unit.
Optionally, further include two limited blocks with and the gag lever post that is arranged on the adjustment axis, the gag lever post
One end is fixedly connected on one of two adjustment axis, and the gag lever post is rotated with the adjustment axis, the gag lever post
The other end is swung between two limited blocks, and two limited blocks are separately positioned on the gag lever post two sides most
On big turned position.
It optionally, further include mill drive case, two adjustment axis are rotatably arranged on the mill drive case.
Optionally, the mill drive case is equipped with support, and the angle detection device is fixedly installed by the support
On the mill drive case.
It optionally, further include caliper for detecting wire size, the caliper is connected with described control unit.
Optionally, described control unit, the driving motor, the angle detection device, the detecting element are all made of
External power supply.
A kind of application method of mill roll-gap automatic regulating apparatus is filled using a kind of such as above-mentioned mill roll-gap adjust automatically
It sets, includes the following steps, set fixed value of roller slit: inputting fixed value of roller slit into control unit；Adjust roll gap actual value: angle
The angle of detecting element detection adjustment axis is simultaneously passed to control unit, and control unit calculates roll gap actual value, and control is single
Member controls driving unit movement according to roll gap actual value, and adjustment axis rotation adjusts roll gap actual value；Re-adjustments roll gap is practical
Value, until roll gap actual value is identical as fixed value of roller slit.
A kind of application method of mill roll-gap automatic regulating apparatus is filled using a kind of such as above-mentioned mill roll-gap adjust automatically
It sets, includes the following steps, setting rolled piece is sized: inputting rolled piece into control unit and be sized；Adjust the practical ruler of rolled piece
Very little: caliper detection rolled piece actual size is simultaneously passed to control unit, and control unit is controlled according to rolled piece actual size and driven
Moving cell movement adjusts roll gap actual value, and then adjusts rolled piece actual size；Re-adjustments rolled piece actual size, until rolled piece
Actual size is sized identical with rolled piece.
The beneficial effects of the present invention are:
(1) present invention detects roll gap actual value by angle detection device, controls driving unit rotation by control unit
It adjusts axis rotation and realizes the adjustment of roll gap, and then realize the adjust automatically of roll gap, without manually adjusting, there is real-time, drop
Low labor intensity of workers, improves the poker dimensional accuracy of rolled piece；
(2) present invention detects the rolled piece actual size after roll-in by caliper, controls driving unit by control unit
The adjustment of roll gap is realized in rotation adjustment axis rotation, is adaptively adjusted, is not necessarily to to roll gap size according to rolled piece actual size
Fixed value of roller slit is manually adjusted according to workpiece measurement, the poker dimensional accuracy of rolled piece is improved, reduces labor intensity of workers.
Other advantages, target and feature of the invention will be illustrated in the following description to a certain extent, and
And to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, Huo Zheke
To be instructed from the practice of the present invention.Target of the invention and other advantages can be realized by following specification and
It obtains.
Detailed description of the invention
To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention is made below in conjunction with attached drawing excellent
The detailed description of choosing, in which:
Fig. 1 is a kind of mill roll-gap automatic regulating apparatus structural schematic diagram；
Fig. 2 is a kind of roll gap adjustment unit cross-sectional view of mill roll-gap automatic regulating apparatus；
Fig. 3 is a kind of angle detection device partial sectional view of mill roll-gap automatic regulating apparatus；
Fig. 4 is a kind of mill roll-gap automatic regulating apparatus detection bar position cross-sectional view in embodiment 1；
Fig. 5 is a kind of mill roll-gap automatic regulating apparatus gag lever post position cross-sectional view in embodiment 2.
Appended drawing reference: roll gap adjustment unit 1, roll shaft 2, adjustment axis 3, driving unit 4, roll gap detection unit 5, angle detection
Element 6, detection rack gear 7, detection gear 8, driving element 9, driving gear set 10, driving screw rod 11, adjusting nut 12, gag lever post
13, limited block 14, limited block 15, gag lever post 16.
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.It should be noted that diagram provided in following embodiment is only to show
Meaning mode illustrates basic conception of the invention, and in the absence of conflict, the feature in following embodiment and embodiment can phase
Mutually combination.
Wherein, the drawings are for illustrative purposes only and are merely schematic diagrams, rather than pictorial diagram, should not be understood as to this
The limitation of invention；Embodiment in order to better illustrate the present invention, the certain components of attached drawing have omission, zoom in or out, not
Represent the size of actual product；It will be understood by those skilled in the art that certain known features and its explanation may be omitted and be in attached drawing
It is understood that.
The same or similar label correspond to the same or similar components in the attached drawing of the embodiment of the present invention；It is retouched in of the invention
In stating, it is to be understood that if there is the orientation or positional relationship of the instructions such as term " on ", "lower", "left", "right", "front", "rear"
To be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description of the present invention and simplification of the description, rather than indicate or
It implies that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore is described in attached drawing
The term of positional relationship only for illustration, is not considered as limiting the invention, for the ordinary skill of this field
For personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
Embodiment 1
FIG. 1 to FIG. 4 is please referred to, is a kind of mill roll-gap automatic regulating apparatus, including roll gap adjustment unit 1 and setting in roller
Seam adjusts two roll shafts 2 on unit 1, and two roll shafts 2 are arranged in parallel, and roll gap adjustment unit 1 includes two tune disposed in parallel
Bearing 3 and driving units 4 for driving two adjustment axis 3 to rotate, the axis of adjustment axis 3 are parallel to the axis of roll shaft 2, and two
Axis 3 is adjusted rotating around the incorgruous rotation of its axis, two roll shafts 2 are eccentrically set on two adjustment axis 3 far from driving unit 4 respectively
On one end, the spacing between two adjustment axis 3 is adjustment distance between axles, middle vertical plane of two roll shafts 2 about the adjustment distance between axles
It being symmetrical arranged, further includes angle detection device 6 and control unit (not shown), angle detection device 6 is equipped with detection gear 8,
The axis of detection gear 8 is parallel to the axis of adjustment axis 3, is provided at least one adjustment axis 3 around its axis and detects gear 8
The detection rack gear 7 being used cooperatively, detection gear 8 intermesh with detection rack gear 7；Control unit respectively with angle detection device 6
And driving unit 4 connects.
In the present embodiment, driving unit 4 includes two oppositely oriented adjusting nuts 12 and driving screw rod 11, drives screw rod
11 axis direction for extending perpendicularly to adjustment axis 3 drives and is respectively arranged with oppositely oriented spiral shell on the both ends of screw rod 11
Line section, two adjusting nuts 12 are symmetrically arranged on two thread segments, two adjusting nuts 12 respectively with two adjustment axis 3
It is slidably connected, driving screw rod 11 rotates in two oppositely oriented adjusting nuts 12 simultaneously, and two adjusting nuts 12 are along driving
The extending direction symmetric motion of screw rod 11.Driving unit 4 further includes the driving motor 9 and biography for driving driving screw rod 11 to rotate
Moving gear group 10, driving motor 9 are connected by driving gear set 10 with driving screw rod 11.Driving gear set 10 is connected to driving silk
The both ends of bar 11, driving motor 9 are driven simultaneously by driving gear set 10 in the both ends of driving screw rod 11.In the present embodiment, also
Including two detecting elements 14 with and detection bar 13, one end of detection bar 13 be fixedly connected on two adjustment axis 3 in one on,
Detection bar 13 is rotated with adjustment axis 3, and the other end of detection bar 13 is swung between two detecting elements 14, two detecting elements 14
It is separately positioned in the maximum rotated position of 13 two sides of detection bar, two detecting elements 14 are connect with control unit.The present embodiment
In, it further include mill drive case 5, two adjustment axis 3 are rotatably arranged on mill drive case 5.Mill drive case 5 is equipped with branch
Seat, angle detection device 6 are fixed on mill drive case 5 by support.Control unit, driving motor 9, angle detection member
Part 6, detecting element 14 are all made of external power supply.
In actual use, fixed value of roller slit is inputted into control unit；Angle detection device 6 according to detection 8 corner of gear,
Be adjusted the angle of axis 3, and be passed to control unit, control unit calculates roll gap actual value, control unit according to
Roll gap actual value controls driving motor 9 and acts, and driving motor 9 makes that screw rod 11 is driven to rotate by driving gear set 10, drives silk
Bar 11 make adjusting nut 12 drive adjustment axis 3 rotate, 2 eccentric setting of roll shaft in adjustment axis 3 on, roll gap ruler between two roll shafts 2
The adjustment of roll gap actual size is realized in very little variation；Detection rack gear 7 is rotated together with adjustment axis 3, the detection engaged with detection rack gear 7
Rotation adjustment 3 angle feed-back of axis to control unit is repeated above step by gear 8, until roll gap actual value and fixed value of roller slit
It is identical.
Two detecting elements 14 are separately positioned in the maximum rotated position of 13 two sides of detection bar, when adjusting nut 12 moves
When to maximum position, 13 detection trigger element 14 of detection bar, detection bar 13 inputs a signal into control unit, and control unit control is driven
Dynamic 9 stopping of motor movement, prevents adjusting nut 12 from deviating from from driving screw rod 11.
Embodiment 2
Referring to Fig. 5, further including two limited blocks 15 in the present embodiment for a kind of mill roll-gap automatic regulating apparatus
With and the gag lever post 16 that is arranged on adjustment axis 3, one end of gag lever post 16 be fixedly connected in two adjustment one of axis 3, limit
Position bar 16 is rotated with adjustment axis 3, and the other end of gag lever post 16 is swung between two limited blocks 15, and two limited blocks 15 divide
It is not arranged in the maximum rotated position of 16 two sides of gag lever post.
In actual use, two limited blocks 15 are separately positioned in the maximum rotated position of 16 two sides of gag lever post, work as tune
When whole nut 12 moves to maximum position, limited block 15, which limits gag lever post 16, to be continued to move, and then prevents adjustment axis 3 from continuing to turn
It is dynamic, prevent adjusting nut 12 from deviating from from driving screw rod 11.
Embodiment 3
FIG. 1 to FIG. 4 is please referred to, is a kind of mill roll-gap automatic regulating apparatus, further includes for detection line in the present embodiment
The caliper (not shown) of material size, caliper are connected with control unit.
In actual use, rolled piece is inputted into control unit to be sized；Caliper detect rolled piece actual size and by its
It is transferred to control unit, control unit controls driving motor 9 according to rolled piece actual size and acts, and driving motor 9 passes through driving cog
Wheel group 10 make drive screw rod 11 rotate, driving screw rod 11 make adjusting nut 12 drive adjustment axis 3 rotate, 2 eccentric setting of roll shaft in
It adjusts on axis 3, roll gap change in size between two roll shafts 2, rolled piece is sized adjustment；Rack gear 7 is detected with 3 turns of axis of adjustment
Dynamic, for the detection gear 8 engaged with detection rack gear 7 by rotation adjustment 3 angle feed-back of axis to control unit, caliper will be after variation
Workpiece measurement feeds back to control unit, repeats above step, until rolled piece actual size be sized with rolled piece it is identical.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of the technical program, should all be covered in the present invention
Scope of the claims in.
Claims (10)
1. a kind of mill roll-gap automatic regulating apparatus, including roll gap adjustment unit and be arranged on the roll gap adjustment unit two
Root roll shaft, two roll shafts are arranged in parallel；
The roll gap adjustment unit includes two adjustment axis disposed in parallel and the drive for driving two adjustment axis rotations
The axis of moving cell, the adjustment axis is parallel to the axis of the roll shaft, and two adjustment axis are rotating around incorgruous turn of its axis
It is dynamic；
Two roll shafts are eccentrically set on respectively on the two described adjustment one end of axis far from the driving unit, described in two
Adjusting the spacing between axis is adjustment distance between axles, and two roll shafts are symmetrical arranged about the middle vertical plane of the adjustment distance between axles；
It is characterized by also including angle detection device and control unit, the angle detection device is equipped with detection gear, institute
The axis for stating detection gear is parallel to the axis of the adjustment axis, is provided at least one described adjustment axis around its axis and institute
The detection rack gear that detection gear is used cooperatively is stated, the detection gear intermeshes with the detection rack gear；Described control unit
It is connect respectively with the angle detection device and the driving unit.
2. a kind of mill roll-gap automatic regulating apparatus according to claim 1, it is characterised in that: the driving unit includes
Two adjusting nuts and driving screw rod, axis of the driving screw rod perpendicular to the adjustment axis, the both ends of the driving screw rod
On be respectively arranged with oppositely oriented thread segment, two adjusting nuts are symmetrically arranged on two thread segments,
Two adjusting nuts are slidably connected with two adjustment axis respectively, and the driving screw rod is in two adjusting nuts
Rotation, extending direction symmetric motion of two adjusting nuts along the driving screw rod.
3. a kind of mill roll-gap automatic regulating apparatus according to claim 2, it is characterised in that: the driving unit also wraps
It includes driving motor and driving gear set, the driving motor for driving the driving screw rod to rotate and passes through the transmission gear
Group is connected with the driving screw rod, and the driving gear set is connected to the both ends of the driving screw rod, and the driving motor passes through
The driving gear set is driven simultaneously in the both ends of the driving screw rod.
4. a kind of mill roll-gap automatic regulating apparatus according to claim 1, it is characterised in that: further include two detection members
Part with and detection bar, one end of the detection bar be fixedly connected on two it is described adjustment axis in one on, the detection bar with
The adjustment axis rotation, the other end of the detection bar are swung between two detecting elements, two detecting elements
It is separately positioned in the maximum rotated position of the detection bar two sides, two detecting elements are connect with described control unit.
5. a kind of mill roll-gap automatic regulating apparatus according to claim 1, it is characterised in that: further include two limiting blocks
Block with and be arranged in it is described adjustment axis on gag lever post, one end of the gag lever post be fixedly connected on two it is described adjustment axis one
On a, the gag lever post is rotated with the adjustment axis, and the other end of the gag lever post is swung between two limited blocks,
Two limited blocks are separately positioned in the maximum rotated position of the gag lever post two sides.
6. a kind of mill roll-gap automatic regulating apparatus according to claim 1, it is characterised in that: further include mill drive
Case, two adjustment axis are rotatably arranged on the mill drive case.
7. a kind of mill roll-gap automatic regulating apparatus according to claim 6, it is characterised in that: on the mill drive case
Equipped with support, the angle detection device is fixed on the mill drive case by the support.
8. a kind of mill roll-gap automatic regulating apparatus according to claim 1, it is characterised in that: further include being rolled for detecting
The caliper of part size, the caliper are connected with described control unit.
9. a kind of application method of mill roll-gap automatic regulating apparatus, is rolled using such as described in any item one kind of claim 1-7
Machine roll gap automatic regulating apparatus, which is characterized in that include the following steps,
Setting fixed value of roller slit: fixed value of roller slit is inputted into control unit；
Adjust roll gap actual value: the angle of angle detection device detection adjustment axis is simultaneously passed to control unit, control unit
Roll gap actual value is calculated, control unit controls driving unit according to roll gap actual value and acts, adjustment axis rotation, and adjustment roll gap is real
Actual value；
" adjusting roll gap actual value " step is repeated, until roll gap actual value is identical as fixed value of roller slit.
10. a kind of application method of mill roll-gap automatic regulating apparatus, certainly using a kind of mill roll-gap as claimed in claim 8
Dynamic adjustment device, it is characterised in that include the following steps:
Setting rolled piece is sized: being inputted rolled piece into control unit and is sized；
Adjust rolled piece actual size: caliper detection rolled piece actual size is simultaneously passed to control unit, control unit according to
Rolled piece actual size controls driving unit movement, adjusts roll gap actual value, and then adjust rolled piece actual size；
Repeat " adjust rolled piece actual size " step, until rolled piece actual size be sized with rolled piece it is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910722262.1A CN110303054B (en) | 2019-08-06 | 2019-08-06 | Automatic adjustment device for roll gap of rolling mill and application method of automatic adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910722262.1A CN110303054B (en) | 2019-08-06 | 2019-08-06 | Automatic adjustment device for roll gap of rolling mill and application method of automatic adjustment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110303054A true CN110303054A (en) | 2019-10-08 |
| CN110303054B CN110303054B (en) | 2024-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910722262.1A Active CN110303054B (en) | 2019-08-06 | 2019-08-06 | Automatic adjustment device for roll gap of rolling mill and application method of automatic adjustment device |
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| Country | Link |
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| CN (1) | CN110303054B (en) |
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| CN114558922A (en) * | 2022-04-29 | 2022-05-31 | 佛山市阿玛达机械科技有限公司 | Eccentric gap adjusting mechanism for cold-bending forming machine |
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| Publication number | Publication date |
|---|---|
| CN110303054B (en) | 2024-10-15 |
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