CN112872042A - Pre-finish rolling electric roller gap pressing and releasing device and operation method - Google Patents
Pre-finish rolling electric roller gap pressing and releasing device and operation method Download PDFInfo
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- CN112872042A CN112872042A CN202011563769.6A CN202011563769A CN112872042A CN 112872042 A CN112872042 A CN 112872042A CN 202011563769 A CN202011563769 A CN 202011563769A CN 112872042 A CN112872042 A CN 112872042A
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- releasing
- pressing
- releasing device
- sleeve
- universal joint
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- 238000003825 pressing Methods 0.000 title claims abstract description 52
- 238000005096 rolling process Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title abstract description 9
- 230000005540 biological transmission Effects 0.000 claims description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 238000011017 operating method Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000002354 daily effect Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
- B21B31/26—Adjusting eccentrically-mounted roll bearings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
The invention relates to a pre-finish rolling electric pressing and roll gap releasing device and an operation method thereof, wherein the device comprises an automatic pressing and releasing device which is matched with a ratchet wheel device of a roll box and starts the automatic pressing and releasing device to realize the purposes of pressing and releasing a roll gap; the automatic pressing and releasing device is used for adjusting the position of the automatic pressing and releasing device; the invention improves the working efficiency after being implemented and simultaneously realizes automatic operation.
Description
Technical Field
The invention relates to a pre-finish rolling electric pressing and roll gap releasing device and an operation method, belonging to the field of metallurgy.
Background
In a metallurgical workshop, the maximum roll diameter phi 285mm and the minimum roll diameter phi 255mm of a pre-finishing roll ring in a first production line, the maximum roll diameter phi 300mm and the minimum roll diameter phi 270mm of a pre-finishing roll ring in a second production line, the roll diameter difference of the two production lines is 30mm, when the roll ring is replaced every day, the roll diameter difference between the roll ring used on the machine and the roll ring spare under the machine is often overlarge, if a ratchet device rotates for one circle and is 0.41mm, four surfaces are square, the pressing (releasing) side (surface) is 0.1025mm, the difference is 30 mm/0.1025 mm and is 293, the manual pressing and roll gap releasing are time-consuming and labor-consuming, and the daily repair time during work is influenced, even overtime is influenced.
The roll gap adjusting device for finish rolling in the market is few, and the applicant finds that the roll gap adjusting device for rough rolling is applied as application No. 201610354158.8 after the roll gap adjusting device is consulted, the front end of an AWC hydraulic cylinder is generally provided with a pressure equalizing pad through a positioning key bolt, a pressure sensor simulation block is fixed on the pressure equalizing pad, a side pressure box body is coated on the pressure sensor simulation block and is fixed on the pressure equalizing pad through a guide key, and a side pressure box cover is connected with the side pressure box body through a connecting bolt; however, such operation is not general to finish rolling and does not reach automatic operation, so there is a need for a roll gap pressing and releasing device for finish rolling, which can realize automatic roll gap pressing and releasing operation, reduce labor intensity of workers and simultaneously does not affect working efficiency.
Disclosure of Invention
The invention provides a pre-finish rolling electric pressing and roll gap releasing device and an operation method, which release manpower, improve the working efficiency and simultaneously realize automatic operation.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a pre-finish rolling electric roller gap pressing and releasing device comprises an automatic pressing and releasing device, wherein the automatic pressing and releasing device is matched with a ratchet wheel device of a roller box, and is started to achieve the purpose of pressing and releasing a roller gap;
the automatic pressing and releasing device is used for adjusting the position of the automatic pressing and releasing device;
as a further preferred aspect of the present invention, the automatic pressing and releasing device includes a speed reducing motor, wherein a shaft sleeve is installed at an end of a motor shaft of the speed reducing motor, an end of the shaft sleeve is sleeved at one end of a transmission shaft, the speed reducing motor is started, and the transmission shaft is stretched in the shaft sleeve along with rotation of the motor shaft;
the other end of the transmission shaft is sleeved with a universal joint fork, and the movable end of the universal joint fork is connected with a universal joint sleeve through a rotating bearing;
the universal joint sleeve is connected with a ratchet wheel device of the roller box;
in a further preferred embodiment of the present invention, the sleeve has a diameter of 30mm and an inner diameter of a square hole having a size of 12.7mm × 12.7 mm;
in a further preferred embodiment of the present invention, the shaft has a diameter of 28mm, a length of 300cm to 400cm, and an inner diameter of a square hole of 12.7mm × 12.7 mm;
as a further preferred aspect of the present invention, the joint sleeve has a diameter of 46 mm;
as a further preferred aspect of the present invention, the moving device is a cart, and the automatic pressing device is placed on the cart;
an operation method based on any of the pre-finish rolling electric pressing and roll gap releasing devices comprises the steps of pushing a cart, moving a speed reducing motor to be close to a ratchet device, communicating the speed reducing motor with a control box, connecting a universal joint sleeve to the ratchet device of a roll box, starting the control box, operating the speed reducing motor, setting the rotating speed of the speed reducing motor to be 59r/min, realizing forward rotation or reverse rotation of the speed reducing motor according to actual conditions, freely adjusting the position of the universal joint sleeve on a universal joint fork to match with the ratchet device of the roll box, driving a gear to rotate, driving a screw rod in the roll box to rotate by the gear, and changing the distance between two copper foils, so that the direction of an eccentric sleeve of the roll box is changed, and the purpose of pressing and releasing roll gaps is achieved.
Through the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1. the automatic pressing and releasing device provided by the invention realizes automatic roll ring changing operation, saves the roll ring changing time and further saves the cost;
2. the automatic pressure releasing device provided by the invention is simple in structure, simple and convenient to operate and suitable for large-scale popularization;
3. when the automatic pressing and releasing device provided by the invention is operated, the operation process can be known in real time, namely the number of turns of the pressing and releasing roll gap can be known in real time, and the control is convenient;
4. the automatic pressing and releasing device provided by the invention is matched with the moving device, and the free sliding of the position can be realized.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic overall structure of a preferred embodiment provided by the present invention;
FIG. 2 is a schematic diagram of the detailed structure of the automatic compressing device in the preferred embodiment of the invention;
fig. 3 is a schematic structural view of the ratchet device of the roller box in connection with the preferred embodiment of the invention.
In the figure: the device comprises a speed reducing motor 1, a shaft sleeve 2, a transmission shaft 3, a universal joint fork 4, a universal joint sleeve 5, a ratchet wheel device 6 and a cart 7.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
In the prior art, the adjustment of the roll gap during the finish rolling operation is performed by manually pressing and releasing the roll gap, which causes time and labor waste in the operation process and influences the work efficiency of the whole workshop, so that the application provides a pre-finish rolling electric roll gap pressing and releasing device which can realize the automatic roll gap pressing and releasing treatment, and particularly comprises an automatic roll gap pressing and releasing device which is matched with a ratchet wheel device 6 of a roll box and starts the automatic roll gap pressing and releasing device to realize the purposes of pressing the roll gap and releasing the roll gap; the automatic pressing and releasing device is used for automatically pressing and releasing the device, and the position of the automatic pressing and releasing device is adjusted by sliding the moving device.
Fig. 1 shows a preferred embodiment of the present application, and as can be seen more clearly from fig. 2, the automatic pressing and releasing device includes a speed reducing motor 1, a shaft sleeve 2 is installed at an end of a motor shaft of the speed reducing motor, an end of the shaft sleeve is sleeved at one end of a transmission shaft 3, the speed reducing motor is started, and the transmission shaft is stretched in the shaft sleeve along with the rotation of the motor shaft; the other end of the transmission shaft is sleeved with a universal joint fork 4, the movable end of the universal joint fork is connected with a universal joint sleeve 5 through a rotating bearing, the transmission shaft realizes the expansion and contraction of the automatic pressing and releasing device, and the rotating bearing realizes the free rotation of the universal joint sleeve; the joint sleeve is connected to the ratchet wheel arrangement of the roller housing, as shown in fig. 3.
In order to better achieve the purpose of pressing and releasing the roll gap, the sizes of all structures in the automatic pressing and releasing device are limited in the preferred embodiment, the diameter of the shaft sleeve is 30mm, and the inner diameter of the shaft sleeve is a square hole with the size of 12.7mm multiplied by 12.7 mm; the diameter of the transmission shaft is 28mm, the length range of the transmission shaft is 300cm-400cm, and the inner diameter of the transmission shaft is a square hole with the size of 12.7mm multiplied by 12.7 mm; the diameter of the universal joint sleeve is 46 mm.
In the preferred embodiment, the moving device is provided with a trolley 7, so that the position of the automatic pressing and releasing device can be freely moved.
Based on the preferred embodiment, the operation method is further provided, the cart is pushed, the speed reducing motor moves to the position near the ratchet wheel device, the speed reducing motor is communicated with the control box, the power of the speed reducing motor is 0.75KW, the universal joint sleeve is connected to the ratchet wheel device of the roller box, the control box is started, the speed reducing motor runs, the rotating speed of the speed reducing motor is set to be 59r/min, the speed reducing motor is positively rotated or negatively rotated according to actual conditions, the position of the universal joint sleeve is freely adjusted on the universal joint fork to be matched with the ratchet wheel device of the roller box, the gear is driven to rotate, the screw rod in the roller box is driven by the gear to rotate, the copper piston gap is changed, the direction of the eccentric sleeve of the roller box is changed, and the purpose of pressing and releasing the roller gap.
Through the embodiment, the applicant carries out verification calculation on the benefit, taking the 10 minutes of the roll changing ring time per day as an example: 10 min/2 min/piece of steel × 30 days/month × 12/year × 250 yuan/ton of steel × 2 production lines ═ 90 ten thousand yuan; the final benefit is then calculated as 10 shop promotions for the company: 90 ten thousand yuan by 10 production lines which are 900 ten thousand yuan; therefore, the preferred embodiment provided by the application finally saves a large amount of cost for a company, reduces the labor intensity of workers and saves daily repair time.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The meaning of "and/or" as used herein is intended to include both the individual components or both.
The term "connected" as used herein may mean either a direct connection between components or an indirect connection between components via other components.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. The utility model provides a finish rolling electric pressure in advance, put roll gap device which characterized in that: the automatic pressing and releasing device is matched with a ratchet wheel device of the roller box, and is started to achieve the purposes of pressing and releasing a roller gap;
the automatic pressing and releasing device is used for automatically pressing and releasing the device, and the position of the automatic pressing and releasing device is adjusted by sliding the moving device.
2. The pre-finishing electric rolling and gap-releasing device of claim 1, wherein: the automatic pressing and releasing device comprises a speed reducing motor, wherein a shaft sleeve is arranged at the end part of a motor shaft of the speed reducing motor, the end part of the shaft sleeve is sleeved at one end of a transmission shaft, the speed reducing motor is started, and the transmission shaft stretches in the shaft sleeve along with the rotation of the motor shaft;
the other end of the transmission shaft is sleeved with a universal joint fork, and the movable end of the universal joint fork is connected with a universal joint sleeve through a rotating bearing;
the universal joint sleeve is connected with a ratchet wheel device of the roller box.
3. The pre-finishing electric rolling and gap-releasing device of claim 2, wherein: the diameter of the sleeve is 30mm, and the inner diameter of the sleeve is a square hole with the size of 12.7mm multiplied by 12.7 mm.
4. The pre-finishing electric rolling and gap-releasing device of claim 2, wherein: the diameter of the transmission shaft is 28mm, the length of the transmission shaft ranges from 300cm to 400cm, and the inner diameter of the transmission shaft is a square hole with the size of 12.7mm multiplied by 12.7 mm.
5. The pre-finishing electric rolling and gap-releasing device of claim 2, wherein: the diameter of the universal joint sleeve is 46 mm.
6. The pre-finishing electric rolling and gap-releasing device of claim 1, wherein: the moving device is a cart, and the automatic pressing device is placed on the cart.
7. An operating method of a pre-finishing electric pressing and roll gap releasing device according to any of the preceding claims, characterized in that: the cart is pushed, the speed reduction motor moves to the position near the ratchet wheel device, the speed reduction motor is communicated with the control box, the universal joint sleeve is connected to the roller box ratchet wheel device, the control box is started, the speed reduction motor runs, the rotating speed of the speed reduction motor is set to be 59r/min, forward rotation or reverse rotation is achieved for the speed reduction motor according to actual conditions, the position of the universal joint sleeve is freely adjusted on the universal joint fork to match the ratchet wheel device of the roller box at the moment, the gear is driven to rotate, the screw rod in the roller box is driven by the gear to rotate, the copper piston distance is changed, the eccentric sleeve direction of the roller box is changed, and the purpose of pressing and releasing a roller gap is achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011563769.6A CN112872042A (en) | 2020-12-25 | 2020-12-25 | Pre-finish rolling electric roller gap pressing and releasing device and operation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011563769.6A CN112872042A (en) | 2020-12-25 | 2020-12-25 | Pre-finish rolling electric roller gap pressing and releasing device and operation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112872042A true CN112872042A (en) | 2021-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011563769.6A Pending CN112872042A (en) | 2020-12-25 | 2020-12-25 | Pre-finish rolling electric roller gap pressing and releasing device and operation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112872042A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201470674U (en) * | 2009-08-04 | 2010-05-19 | 西安威科多机电设备有限公司 | High-speed wire rod production line pre-finishing mill group |
| CN201744501U (en) * | 2010-07-22 | 2011-02-16 | 新兴铸管股份有限公司 | Automatic collecting and feeding device of rolling mill |
| CN203140443U (en) * | 2013-04-03 | 2013-08-21 | 武钢集团昆明钢铁股份有限公司 | Movable lifting type roller seam adjusting device |
| CN211100789U (en) * | 2019-11-29 | 2020-07-28 | 陕西龙门钢铁有限责任公司 | Material receiving and discharging device of short-stress rolling mill |
-
2020
- 2020-12-25 CN CN202011563769.6A patent/CN112872042A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201470674U (en) * | 2009-08-04 | 2010-05-19 | 西安威科多机电设备有限公司 | High-speed wire rod production line pre-finishing mill group |
| CN201744501U (en) * | 2010-07-22 | 2011-02-16 | 新兴铸管股份有限公司 | Automatic collecting and feeding device of rolling mill |
| CN203140443U (en) * | 2013-04-03 | 2013-08-21 | 武钢集团昆明钢铁股份有限公司 | Movable lifting type roller seam adjusting device |
| CN211100789U (en) * | 2019-11-29 | 2020-07-28 | 陕西龙门钢铁有限责任公司 | Material receiving and discharging device of short-stress rolling mill |
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Application publication date: 20210601 |
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| RJ01 | Rejection of invention patent application after publication |