CN116493423A - Wire rod rough middle rolling quick groove changing guide and guard device - Google Patents
Wire rod rough middle rolling quick groove changing guide and guard device Download PDFInfo
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- CN116493423A CN116493423A CN202310303930.3A CN202310303930A CN116493423A CN 116493423 A CN116493423 A CN 116493423A CN 202310303930 A CN202310303930 A CN 202310303930A CN 116493423 A CN116493423 A CN 116493423A
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- 238000005096 rolling process Methods 0.000 title claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 42
- 239000000498 cooling water Substances 0.000 claims description 40
- 238000013461 design Methods 0.000 claims description 10
- 238000005507 spraying Methods 0.000 claims description 5
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 8
- 239000010959 steel Substances 0.000 abstract description 8
- 230000008676 import Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- 238000001816 cooling Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/14—Guiding, positioning or aligning work
- B21B39/16—Guiding, positioning or aligning work immediately before entering or after leaving the pass
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)
Abstract
The invention discloses a wire rod rough and medium rolling quick groove changing guide and guard device, and belongs to the technical field of steel rolling. The invention comprises an inlet guide and an outlet guide, wherein a plurality of inlet guide grooves are arranged at different roller groove positions of corresponding rollers on the inlet guide, a plurality of outlet guide grooves matched with each other in position are correspondingly arranged on the outlet guide, and the widths of the inlet guide groove and the outlet guide groove are consistent with the roller groove widths of the corresponding positions; the spacing between adjacent inlet guide grooves and the spacing between adjacent outlet guide grooves are kept consistent, and correspond to the spacing between two spaced roller grooves on the roller respectively. The invention can effectively improve the on-site on-line groove replacement efficiency, reduce on-site operators and improve the working environment on the basis of guaranteeing the centering quality of the hole groove.
Description
Technical Field
The invention belongs to the technical field of steel rolling, and particularly relates to a wire rod rough and medium rolling quick groove changing guide and guard device.
Background
The guide and guard device is used as an important steel rolling auxiliary piece in the rolling of the wire rod, and is very popular in various production lines in industry. The guide function is to accurately introduce the rolled piece into the rolling groove, and the deformed rolled piece is led out of the hole pattern by presetting the size, so that the rolled piece is ensured to be stably deformed in the hole pattern, and the required geometric cross section and the required size are obtained. Meanwhile, the twisting is controlled to move in a certain direction, so that the roller is prevented from being entangled. Whether the guide design and the installation are reasonable or not directly influences the quality of the rolled product and the production efficiency of the rolling mill. If the guide design or use is improper, no acceptable product can be rolled. The installation and adjustment are proper, and the defect of hole and groove design can be overcome. The wire rod guide is divided into a rolling guide and a sliding guide, the guide installation requirement is that the wire rod guide is distributed according to the hole type shape of the frame, the rolling guide is installed at the inlet of the round hole frame, and the sliding guide is installed at the inlets of the elliptical hole and the box-shaped hole frame. The former guide opening degree needs very high precision, and the structure is comparatively complicated, and the maintenance cost is relatively higher, and the latter guide structure is simple and convenient to maintain.
At present, a total of 12 racks of a high-speed wire rough and medium-speed wire mill group of the martensitic steel are divided into vertical racks and horizontal racks, and the vertical racks and the horizontal elliptic racks and the round holes are alternately arranged. The circular hole type inlet of the vertical frame is provided with a rolling guide, the elliptical hole type inlet of the horizontal frame is provided with a sliding guide, and the elliptical hole type outlet is provided with a sliding guide. Because of the limitation of the surrounding environment of the site, the space between the front frame and the rear frame is short, the groove replacement is inconvenient, and the hand and foot are blocked. In order to save the groove replacement time, at present, only the online old groove frame can be detached integrally, the inlet and outlet guides of the standby frame are mounted in advance, the new hole groove is corresponding, and the frame is hoisted integrally to complete the on-site groove replacement process. The replacement offline rack (old groove) is transported to a workshop by a travelling crane and an overspan trolley for offline treatment. Step of replacing groove under line: the method comprises the steps of workshop disassembly, import and export guide, transverse beam transverse movement, grinding of a groove (hole), installation of import and export guide, centering and fastening of guide, lifting of a flat car, crossing of a span for transfer, frame placement, lifting of a to-be-replaced area, and completion of the whole groove replacement standby frame process. About 4.5 hours are needed for the front and back working procedures, 10-12 persons/time frame of operators are involved, the increase of production efficiency and labor cost is seriously restricted, and certain potential safety hazard exists during the cross operation.
Through searching, most of the current optimization designs of guide devices focus on how to realize the common guide of rolled pieces of various specifications, the guide grooves are internally provided with replaceable wear-resistant baffles, the guide beams, the fixed guide devices and the like can be rapidly moved transversely, and the disclosures of how to effectively shorten the online groove changing time, the rapid groove changing guide and the like are less. Such as: the patent application of application number 202010709040.9 provides a well finish rolling double guide device, including the roll, first guide unit and second guide unit, the hole pattern size that two units correspond is unanimous, two units all contain corresponding guide seat and import guide, because first guide seat and second guide seat are connected by the steel sheet, remove one of them just can drive another synchronous movement, when first guide and first hole pattern centering, the second import guide also can center with the second hole pattern simultaneously, can make two import guide accomplish centering work promptly once, can not reduce the efficiency of centering because guide quantity is more, and hole pattern cooling tube also moves along with it when adjusting guide seat, need not to adjust hole pattern cooling tube alone again. When the first guide unit needs to be replaced or other conditions need to be processed, the second guide unit can be directly started, so that the influence on the rolling work of the bar due to replacement guide is avoided, and the working efficiency is not influenced. The design is initially designed for improving the problem that the replacement of guide in the existing bar rolling line work is troublesome, and the two-inlet guide is simultaneously arranged on the frame to play a role in standby.
The patent of the authorized bulletin number CN2928285Y discloses a multi-port conjoined guiding and guarding device which comprises an inlet guiding and guarding device and an outlet guiding and guarding device, wherein the inlet guiding and guarding device comprises a Wei You hole type section and a bell mouth guiding section, the bell mouth guiding section is provided with 1-2 movable guide plates, the movable guide plates are connected and positioned with the bell mouth guiding section by bolts, the inlet guiding and guarding device and the outlet guiding and guarding hole type section ensure more than 2 coaxial rolling guide grooves, and can roll steel products with various specifications. The technical aim is to overcome the defect that common single-port guides and guards lack of commonality through bolt change, and change different grooved rolling bars on the premise of not needing to frequently disassemble and assemble guides and guards or change a bell mouth.
The patent of the issued publication number CN202079096 discloses a bar production line rapid groove changing device, which comprises guide beams which are respectively arranged symmetrically at two sides of a roller, inlet guide and outlet guide are respectively arranged on the front guide beam and the rear guide beam, copper scales are respectively arranged at one side of the guide beams, and graduated scales which are uniformly arranged on the scale surfaces and take millimeters as units. When the slotted hole is replaced, the central line of the guide is conveniently aligned with the central line of the roller slot according to the scale size on the copper scale. The technology is used for rapidly and accurately centering through copper scale marks of import and export guides, and deformation risks of the guide beam under the impact load of red steel are not considered.
Disclosure of Invention
1. Problems to be solved
The invention aims to provide a wire rod rough and medium rolling quick groove replacement guide and guard device which can effectively improve on-site on-line groove replacement efficiency, reduce on-site operators and improve the working environment on the basis of guaranteeing the centering quality of a hole groove.
2. Technical proposal
In order to solve the problems, the invention adopts the following technical scheme.
The invention relates to a wire rod rough and medium rolling quick groove changing guide and guard device, which comprises an inlet guide and an outlet guide, wherein a plurality of inlet guide grooves are formed in the inlet guide at different roller groove positions corresponding to rollers, a plurality of outlet guide grooves matched with the inlet guide grooves in position are correspondingly formed in the outlet guide, and the widths of the inlet guide grooves and the outlet guide grooves are consistent with the roller groove widths of the corresponding positions; the spacing between adjacent inlet guide grooves and the spacing between adjacent outlet guide grooves are kept consistent, and correspond to the spacing between two spaced roller grooves on the roller respectively.
Furthermore, the inlet guide is provided with three inlet guide grooves with consistent width, the outlet guide grooves are correspondingly provided with three outlet guide grooves with consistent width, and the spacing between the adjacent guide grooves is corresponding to the spacing of a single roller groove on the roller.
Still further, import guide is including the import base of bottom, is equipped with on the import base and leads the defending the main part, has offered a plurality of front ends and is the import guide slot of horn mouth on the defending the main part, and the roof both sides of leading the defending the main part still are equipped with import lug in order to conveniently lead Wei Diaozhuang respectively. Further, the outlet guide comprises an outlet base at the bottom, a lower guide Wei Daocao is arranged on the outlet base, a plurality of outlet guide grooves are arranged at the top end of each lower guide groove at intervals, arc-shaped guide groove tongue tips are arranged at the front ends of the outlet guide grooves, extend towards the roller groove direction of the roller and are adaptive to the arc shape of the roller groove, and rolled pieces are prevented from piling up steel due to warping.
Still further, still be equipped with on the lower guide groove and lead Wei Gaiban, go up and lead Wei Gaiban and be connected with down guide Wei Daocao through fixing bolt to seal the export guide groove, and go up the roof both sides of leading Wei Gaiban and be equipped with the export lug respectively in order to make things convenient for and lead Wei Diaozhuang and dismantle.
Still further still include the condenser tube that sets up in roll one side, the condenser tube is including corresponding the single water pipe of arranging in each roller groove position of using on the roll, is equipped with a plurality of shower mouths on the single water pipe, connects through the connecting rod between a plurality of single water pipes.
Furthermore, the single-row water pipes are not communicated with each other, water is supplied independently, and the water inlet pipe of each single-row water pipe is provided with a quick connector and a switch valve.
Further, the cooling water pipe comprises an upper cooling water pipe and a lower cooling water pipe, the upper cooling water pipe is correspondingly positioned at the side edge of the upper roller, and the lower cooling water pipe is correspondingly positioned at the side edge of the lower roller.
Furthermore, the lower cooling water pipe is specifically provided with three single-row water pipes, and the spraying positions respectively correspond to the three using roller groove position areas on the lower roller; the designs of the upper cooling water pipe and the lower cooling water pipe are consistent.
Further, each single-row water pipe adopts an arc-shaped structure which is adaptive to the periphery of the roller so as to increase the effective cooling time.
3. Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the guide and guard device, the inlet guide and the outlet guide are respectively designed in a three-hole row mode, three grooves can be used on a continuous line after primary installation, when the three grooves are used, the guide and guard device can be assembled and disassembled offline and aligned with the other three roller grooves, and can be put into use again, so that complicated operations that the guide needs to be disassembled and aligned respectively and fastened one by one during groove replacement are omitted; the device is beneficial to improving the on-site groove changing speed and the working efficiency, ensuring the centering quality of the hole groove, reducing on-site operators, greatly shortening the production preparation time and avoiding the potential safety hazard caused by cross operation.
(2) The guide and guard device disclosed by the invention also adopts a multi-water-pipe-connected distribution structure for cooling water pipes, and corresponds to the positions above and below three working hole grooves of the guide and guard device and a roller, and the water pipe connector adopts a male and female snap spring type quick connector, so that the groove replacement on site is convenient, the water pipe is prevented from being disassembled and assembled, the position and the centering of the water pipe are not required to be moved after the water pipe corresponds to the guide groove, and the whole on-line groove replacement process is simplified.
Drawings
FIG. 1 is a schematic view of a conventional guide and guard device in the prior art;
FIG. 2 is a schematic top view of the guide device of the present invention;
FIG. 3 is a schematic front view of the guide device of the present invention;
FIG. 4 is a schematic diagram of the inlet guide structure according to the present invention, wherein (a) is a schematic diagram of the front view and (b) is a schematic diagram of the top view;
FIG. 5 is a schematic diagram of the structure of the exit guide according to the present invention, wherein (c) is a schematic diagram of the front view, and (d) is a schematic diagram of the top view;
fig. 6 is a schematic structural diagram of a cooling water pipe according to the present invention, wherein (e) is a schematic side view, and (f) is a schematic front view.
In the figure:
100. a roller; 1. old import guide; 2. old export guide;
200. an inlet guide; 201. a # 1 inlet; 202. a # 2 inlet; 203. a 3# inlet; 204. an inlet base; 205. an inlet guide slot; 206. an inlet lifting lug;
300. an outlet guide; 301. an outlet base; 302. a lower guide Wei Daocao; 303. an outlet guide slot; 304. upper guide Wei Gaiban; 305. a fixing bolt; 306. an outlet lifting lug; 307. the tongue tip of the guide groove;
400. an upper cooling water pipe; 401. a quick connector is arranged;
500. a lower cooling water pipe; 501. a lower quick connector; 502. a spray port; 503. a connecting rod; 504. a single-row water pipe;
wherein the arrow direction P is the rolling direction.
Detailed Description
The invention is further described below in connection with specific embodiments.
Examples
The conventional guide device is shown in fig. 1, that is, an old inlet guide 1 and an old outlet guide 2 are respectively arranged at the inlet and the outlet of a roller 100, and a single guide groove is respectively arranged on the old inlet guide 1 and the old outlet guide 2 for entering and exiting, so that the whole guide device needs to be completely disassembled and assembled each time when the groove needs to be replaced, and the operation is complicated and time-consuming.
The guide device of the embodiment effectively overcomes the problems, and particularly, as shown in fig. 2-6, the guide device of the embodiment comprises an inlet guide 200 and an outlet guide 300, wherein a plurality of inlet guide grooves 205 are arranged at different roller groove positions of the inlet guide 200 corresponding to the roller 100, a plurality of outlet guide grooves 303 are correspondingly arranged at the outlet guide 300, the positions of the outlet guide 303 are matched with each other, and the widths of the inlet guide 205 and the outlet guide 303 are consistent with the roller groove width of the roller 100 at the corresponding positions; the spacing between adjacent inlet channels 205 and the spacing between adjacent outlet channels 303 are consistent and correspond to the spacing between two spaced apart roll channels on the roll 100, respectively. More precisely, a plurality of roller grooves with the same specification are uniformly arranged on the roller 100 at intervals, the widths of the inlet guide groove 205 and the outlet guide groove 303 are respectively consistent with the roller groove specification of the roller 100, the inlet guide groove 205 and the outlet guide groove 303 are respectively uniformly distributed at intervals, the position of each inlet guide groove 205 corresponds to a certain roller groove position on the roller 100, the roller groove positions of two rollers corresponding to two adjacent inlet guide grooves 205 are not adjacent roller grooves, but two non-adjacent roller grooves with at least one roller groove in the middle, and the interval distance between the adjacent two inlet guide grooves 205 is consistent with the distance between the two interval roller grooves on the corresponding roller 100. Similarly, two adjacent outlet channels 303 correspond to two spaced-apart roller channel locations.
Specifically referring to fig. 2, six roll grooves are sequentially formed in the roll 100 from top to bottom, and are uniformly spaced, and each roll groove is a 1# -6# roll groove; in this embodiment, the inlet guide 200 is provided with three inlet guide grooves 205 with the same width, namely a 1# inlet 201, a 2# inlet 202 and a 3# inlet 203, which correspond to a 1# roller groove, a 3# roller groove and a 5# roller groove on the roller 100 respectively; i.e. the spacing between adjacent inlet channels 205 corresponds to the spacing of the individual roll channels on the roll 100; the outlet guide groove 303 is provided with three outlet guide grooves 303 with consistent widths corresponding to the complete positions, so that a three-hole combined type guide structure is formed.
In the embodiment, three grooves can be used on a continuous line by arranging the three-hole combined guide and guard, and when the three holes and the grooves are used, the off-line disassembly guide and guard device is aligned with the positions of the other three roller grooves and can be put into use again. In addition, the three-hole row guide of the embodiment only needs to center any one of the roller grooves on the roller 100, and the other two roller grooves are kept centered with the inlet guide groove 205 and the outlet guide groove 303, so that the complicated operations of respectively disassembling the guide grooves and installing and fastening one by one during groove replacement are omitted, and an operator only needs to align the front and back of a stand pass line, and roll gap values are measured well.
Specifically designed, as shown in fig. 4, the inlet guide 200 includes an inlet base 204 at the bottom, a guide body is disposed on the inlet base 204, a plurality of inlet guide grooves 205 with flared front ends are disposed on the guide body, and inlet lifting lugs 206 are disposed on two sides of the top wall of the guide body. The front end of the inlet guide groove 205 is provided with a horn mouth to facilitate the wire to enter, and the two sides of the inlet guide 200 are provided with inlet lifting lugs 206 to facilitate the hoisting installation.
As shown in fig. 5, the exit guide 300 in this embodiment includes an exit base 301 at the bottom, a lower guide Wei Daocao is disposed on the exit base 301, a plurality of exit guide grooves 303 are uniformly disposed at intervals on the top end of the lower guide Wei Daocao, the front end of the exit guide groove 303 has an arc-shaped guide groove tongue tip 307, and the guide groove tongue tip 307 extends toward the roller groove direction of the roller 100 and is adapted to the arc shape of the roller groove, so that the guide groove tongue tip 307 can effectively support the wire when the wire is discharged, and prevent safety accidents such as wire clamping or falling. In a more optimal design, the upper guide rail Wei Gaiban 304 is further arranged on the lower guide rail 302, the upper guide rail Wei Gaiban is connected with the lower guide rail Wei Daocao 302 through fixing bolts 305 at two sides, so that the outlet guide rail 303 is closed, and outlet lifting lugs 306 are respectively arranged at two sides of the top wall of the upper guide rail Wei Gaiban 304. By arranging the split structure of the upper guide Wei Gaiban and the lower guide Wei Daocao, defects such as warping after the wire is discharged from the roller can be effectively avoided, and the mechanical processing of the outlet guide groove 303 is facilitated. And when a part of the guide groove is worn or the end part is damaged, the split structure can be independently replaced, so that the whole manufacturing cost is reduced. Similarly, in further alternative practice, the guide body may be configured as an integral structure, or may be configured as an upper and lower part structure, where the upper part of the lower part structure is provided with inlet guide grooves 205 at uniform intervals, the upper part of the lower part structure may be provided with a cover plate covering the inlet guide grooves 205, and the upper part cover plate is provided with inlet lifting lugs 206.
As shown in fig. 3 and 6, the guide and guard device of the present embodiment further includes a cooling water pipe disposed at one side of the roller 100, the cooling water pipe includes a single-row water pipe 504 correspondingly disposed at each position of the roller 100 where the roller is used, a plurality of spray ports 502 are disposed on the single-row water pipe 504, and the plurality of single-row water pipes 504 are connected by a connecting rod 503.
Specifically, the cooling water pipe includes an upper cooling water pipe 400 and a lower cooling water pipe 500, the upper cooling water pipe 400 is correspondingly located at the side of the upper roller, and the lower cooling water pipe 500 is correspondingly located at the side of the lower roller, for spraying cooling toward the working roller groove of the roller. In cooperation with the three-hole combined-row type guide, the lower cooling water pipe 500 is specifically provided with three single-row water pipes 504, and the spraying positions respectively correspond to the three using roller groove position areas on the lower roller; each single-row water pipe 504 adopts an arc-shaped structure which is matched with the periphery of the roller 100; the designs of the upper and lower cooling water pipes 400 and 500 are maintained in conformity. More optimally, the single-row water pipes 504 are not communicated with each other, water is supplied independently, and quick connectors and switch valves are arranged on the water inlet pipe of each single-row water pipe 504, so that the water pressure of the independent water pipe is ensured to achieve a sufficient cooling effect, and the service life of the roller groove is ensured. Specifically, a lower quick connector 501 is provided on each individual water pipe of the lower cooling water pipe 500, and an upper quick connector 401 is provided on each individual water pipe of the upper cooling water pipe 400.
The cooling water pipe is designed to be in a three-hole row mode, the cooling water pipe is installed on a frame cross beam during use, the cooling water pipe is fixed and corresponds to the positions above and below three working hole grooves of a guide device and a roller, the water pipe connector is a male snap spring type quick connector and a female snap spring type quick connector, the on-site groove replacement is facilitated, the water pipe is prevented from being dismounted and moved, the position and the centering of the water pipe are not needed after the water pipe corresponds to the guide groove, the whole on-line groove replacement process is simplified, convenience, rapidness, high efficiency and safety are achieved, and the groove replacement efficiency is improved by more than 90%. Similarly, based on the design, the cooling water pipe can adopt a six-hole serial structure which completely corresponds to the positions of six roller grooves of the roller, and the on-off of each water pipe can be independently controlled through the on-off valve on each water pipe, so that the flexible selective cooling of the positions of the roller grooves is sequentially realized.
The guide device of the embodiment ensures the universality of the stand and other frames on the basis of not changing the internal and external parts of the original stand of the rolling mill and the support structure of the cross beam.
Further details are provided below in connection with practicing a particular roll change process:
after the new groove roller and the guide device are assembled, the new groove roller and the guide device are transported to a groove area to be replaced on site by the crossing plate trolley. When the groove is changed, an operator holds the remote control bottle to operate the frame switch, so that the frame clamping device is in an open state, and the frame connecting shaft is disconnected after the frame clamping device transversely moves, and the old groove frame is integrally lifted out. And (3) hanging the new groove frame on a track base, connecting a roller neck with a motor connecting shaft, centering a rolling line before and after the frame, clamping the frame, and measuring a roll gap to complete the whole groove (roll) changing process.
By using the three-hole row inlet and outlet guide device of the frame in the embodiment, the 1# inlet guide groove is used as an online rolling groove (corresponding to the 1# roller groove, the 3# roller groove and the 5# roller groove in sequence) for the first time, and the row cooling water pipe is fixed above the outlet guide groove cross beam and corresponds to the three-hole guide groove. The No. 1 cooling water pipe corresponds to the No. 1 outlet guide groove, and the male snap spring type quick connector and the female snap spring type quick connector are connected, so that the tonnage of the hole groove is set to be about 3000 tons/groove. 2946 tons of on-line rolling is performed, the surface of the hole groove and the inlet and outlet guide Wei Daocao are inspected, no abrasion trace is found, the 3# roller groove and the 5# roller groove are replaced in the later period, the rolling tonnage is similar, the service condition of the guide groove in the embodiment is still good, and no abrasion is found. The upper and lower rows of cooling water pipes have better use effect and meet the requirements of the rolling groove cooling process.
According to the method for replacing the old groove of the offline rack, the inlet and outlet guide device is disassembled and then moved to the 2# roller groove, the cooling water pipe is also moved to the 2# roller groove, after the guide Wei Daocao is centered with the roller groove, the guide base is fixed to complete the whole groove replacing process (the 2# roller groove, the 4# roller groove and the 6# roller groove in sequence), 3 grooves can be used on line at one time, on-line disassembly and centering are not needed, and the purpose of rapidly replacing the grooves on site is achieved.
To sum up, the quick groove replacement guide and guard device of the embodiment solves the long-term on-site groove replacement complex process, avoids the problems of deviation and the like in the alignment of the roller groove and the guide Wei Daocao, and can meet the requirement of three-hole combined arrangement guide and guard alignment by detaching one guide and guard from the roller groove, thereby improving the groove replacement efficiency, reducing the labor cost and avoiding potential safety hazards.
The examples of the present invention are merely for describing the preferred embodiments of the present invention, and are not intended to limit the spirit and scope of the present invention, and those skilled in the art should make various changes and modifications to the technical solution of the present invention without departing from the spirit of the present invention.
Claims (10)
1. The utility model provides a thick middling quick groove guide and guard device that trades of wire rod which characterized in that: the device comprises an inlet guide (200) and an outlet guide (300), wherein a plurality of inlet guide grooves (205) are formed in the inlet guide (200) at positions corresponding to different roller grooves of a roller (100), a plurality of outlet guide grooves (303) with matched positions are correspondingly formed in the outlet guide (300), and the widths of the inlet guide grooves (205) and the outlet guide grooves (303) are consistent with the roller groove widths of the roller (100) at the corresponding positions; the spacing between adjacent inlet channels (205) and the spacing between adjacent outlet channels (303) are consistent and correspond to the spacing between two spaced apart roll channels on the roll (100), respectively.
2. The wire rod rough and medium rolling quick groove changing guide and guard device according to claim 1, wherein: three inlet guide grooves (205) with the same width are arranged on the inlet guide (200), three outlet guide grooves (303) with the same width are correspondingly arranged on the outlet guide grooves (303), and the spacing between the adjacent guide grooves corresponds to the spacing of a single roller groove on the roller (100).
3. The wire rod rough and medium rolling quick groove changing guide and guard device according to claim 1, wherein: the inlet guide (200) comprises an inlet base (204) at the bottom, a guide main body is arranged on the inlet base (204), a plurality of inlet guide grooves (205) with horn mouths at the front ends are formed in the guide main body, and inlet lifting lugs (206) are further arranged on two sides of the top wall of the guide main body respectively to facilitate guiding Wei Diaozhuang.
4. The wire rod rough and medium rolling quick groove changing guide and guard device according to claim 1, wherein: the outlet guide (300) comprises an outlet base (301) at the bottom, a lower guide Wei Daocao (302) is arranged on the outlet base (301), a plurality of outlet guide grooves (303) are formed in the top end of the lower guide Wei Daocao (302) at intervals, an arc-shaped guide groove tongue tip (307) is arranged at the front end of the outlet guide groove (303), and the guide groove tongue tip (307) extends towards the roller groove direction of the roller (100) and is adaptive to the arc shape of the roller groove.
5. The wire rod rough middle rolling rapid groove changing guide and guard device according to claim 4, wherein: the lower guide Wei Daocao (302) is also provided with an upper guide Wei Gaiban (304), the upper guide Wei Gaiban (304) is connected with the lower guide Wei Daocao (302) through a fixing bolt (305) so as to seal the outlet guide groove (303), and two sides of the top wall of the upper guide Wei Gaiban (304) are respectively provided with outlet lifting lugs (306) so as to facilitate the guide Wei Diaozhuang and the disassembly.
6. The wire rod rough and medium rolling quick groove changing guide and guard device according to claim 1, wherein: the cooling water pipe comprises a single-row water pipe (504) which is correspondingly arranged at each using roller groove position on the roller (100), a plurality of spraying ports (502) are arranged on the single-row water pipe (504), and the single-row water pipes (504) are connected through connecting rods (503).
7. The wire rod rough and medium rolling quick groove changing guide and guard device according to claim 6, wherein: the single-row water pipes (504) are not communicated with each other, water is supplied independently, and a quick connector and a switch valve are arranged on a water inlet pipe of each single-row water pipe (504).
8. The wire rod rough and medium rolling quick groove changing guide and guard device according to claim 6, wherein: the cooling water pipe comprises an upper cooling water pipe (400) and a lower cooling water pipe (500), wherein the upper cooling water pipe (400) is correspondingly positioned at the side edge of the upper roller, and the lower cooling water pipe (500) is correspondingly positioned at the side edge of the lower roller.
9. The wire rod rough and medium rolling quick groove changing guide and guard device according to claim 8, wherein: the lower cooling water pipe (500) is specifically provided with three single-row water pipes (504), and the spraying positions correspond to the three using roller groove position areas on the lower roller respectively; the designs of the upper cooling water pipe (400) and the lower cooling water pipe (500) are kept consistent.
10. A wire rod rough middle rolling rapid groove changing guide and guard according to any one of claims 6-9, characterized in that: each single-row water pipe (504) adopts an arc-shaped structure which is matched with the periphery of the roller (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202310303930.3A CN116493423A (en) | 2023-03-24 | 2023-03-24 | Wire rod rough middle rolling quick groove changing guide and guard device |
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| CN202310303930.3A CN116493423A (en) | 2023-03-24 | 2023-03-24 | Wire rod rough middle rolling quick groove changing guide and guard device |
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| CN116493423A true CN116493423A (en) | 2023-07-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116786591A (en) * | 2023-08-24 | 2023-09-22 | 江苏方圆型钢有限公司 | Rolling mill and diamond rolling method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116786591A (en) * | 2023-08-24 | 2023-09-22 | 江苏方圆型钢有限公司 | Rolling mill and diamond rolling method thereof |
| CN116786591B (en) * | 2023-08-24 | 2023-11-14 | 江苏方圆型钢有限公司 | Rolling mill and diamond rolling method thereof |
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