CN116900044A - High-speed wire rod finishing mill group in advance - Google Patents

High-speed wire rod finishing mill group in advance Download PDF

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Publication number
CN116900044A
CN116900044A CN202310574639.XA CN202310574639A CN116900044A CN 116900044 A CN116900044 A CN 116900044A CN 202310574639 A CN202310574639 A CN 202310574639A CN 116900044 A CN116900044 A CN 116900044A
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CN
China
Prior art keywords
rotating shaft
supporting frame
straight
frame body
press roller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310574639.XA
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Chinese (zh)
Inventor
张敏
蒲肖强
韩国祝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xinjiang Tianshan Iron And Steel Bazhou Co ltd
Original Assignee
Xinjiang Tianshan Iron And Steel Bazhou Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xinjiang Tianshan Iron And Steel Bazhou Co ltd filed Critical Xinjiang Tianshan Iron And Steel Bazhou Co ltd
Priority to CN202310574639.XA priority Critical patent/CN116900044A/en
Publication of CN116900044A publication Critical patent/CN116900044A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/16—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section
    • B21B1/18—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section in a continuous process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/02—Shape or construction of rolls
    • B21B27/024—Rolls for bars, rods, rounds, tubes, wire or the like
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0269—Cleaning
    • B21B45/0275—Cleaning devices
    • B21B45/0287—Cleaning devices removing solid particles, e.g. dust, rust
    • 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)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Press Drives And Press Lines (AREA)

Abstract

The high-speed wire rod pre-finishing mill group is characterized in that a press roller mechanism is arranged in a supporting frame body and comprises two pairs of vertical press rollers and two pairs of horizontal press rollers which are sequentially arranged at intervals; a motor is fixed at the inlet side of the supporting frame body, a first straight fluted disc is connected to a motor rotating shaft, and a second to a fourth straight fluted discs are rotatably arranged and are sequentially meshed and connected; two ends of the first horizontal press roller and the second horizontal press roller are provided with sliding frames, a first thick rotating shaft is arranged in the sliding frames in a rotating mode, and the rotating shafts of the two pairs of horizontal press rollers are connected with the first thick rotating shaft through a first belt; two sides of the first vertical compression roller and the second vertical compression roller are provided with second thick rotating shafts; a first bevel gear is fixed on the first vertical compression roller rotating shaft and the second vertical compression roller rotating shaft, a second bevel gear is arranged on the second coarse rotating shaft, and the first bevel gear is in meshed connection with the second bevel gear; the first thick rotating shaft and the second thick rotating shaft are connected through a second belt. The utility model can adjust the vertical distance between the upper and lower rollers and the vertical distance according to the thickness and width of rolled steel, and can remove dust particles in time.

Description

High-speed wire rod finishing mill group in advance
Technical Field
The utility model belongs to the technical field of steel rolling, and particularly relates to a high-speed wire rod pre-finishing mill group.
Background
The finishing mill group is used for a high-speed wire rod workshop and is generally composed of 4 rolling mills, and is a cantilever roll collar type frame which is arranged in a horizontal-vertical alternating manner. A vertical loop is arranged between the frames to realize tension-free rolling, the finishing mill is a finished product mill and is a core part of hot rolled strip steel production, and the quality level of a rolled product mainly depends on the technical equipment level and the control level of a finishing mill group. Therefore, in order to obtain excellent products of high quality, many new equipment, new technology, new process and high-precision measuring instruments such as hot rolled strip shape control equipment, full hydraulic pressing device, optimized shearing device, hot rolling oil lubrication process and the like are largely employed in finishing mill groups. In addition, in order to protect equipment and operating environment from contamination, a dust removing device is provided in a finishing mill group, and a pre-finishing mill is a pre-rolling mill of a finishing mill, and is mainly used for pre-rolling materials.
The Chinese patent with the publication number of CN216965803U discloses an automatic assembling and disassembling system for a rolling ring set of a pre-finishing mill group, which belongs to the field of metal processing and comprises a sliding seat and a pre-rolling group, wherein a plurality of rolling ring sets are arranged on the pre-rolling group, and a robot is arranged on the sliding seat; the automatic assembling and disassembling device is characterized in that a positioning mechanism is fixedly arranged on a swinging arm of the robot, a rotatable swinging arm is connected to the robot, an installation seat is arranged on the swinging arm, a turntable is arranged on the installation seat in a rotating mode, a first clamp, a second clamp and a third clamp for installing and disassembling tools are arranged on the turntable, full-automatic operation can be realized through the arranged robot, the whole process of the robot actively judges the assembling and disassembling parts and positions, the disassembling tools are automatically selected, manual participation is not needed, labor cost is saved, safety risk is reduced, damage to a roller ring set during assembling and disassembling of the roller ring set can be reduced through automatic operation of the robot, and the automatic assembling and disassembling device can automatically assemble and disassemble a pre-finishing mill but does not structurally design a finishing mill. The Chinese patent publication No. CN114682629A discloses a rotary roll-changing mill, including a support group, a support shaft group and a rotary mechanism, wherein the support group is also provided with a first support and a second support, the rotary mechanism is arranged on the second support and sleeved on the support shaft group, the roller group is also provided with a first row group and a second row group, the rotary mechanism is fixedly connected with the second row group, the second support can drive the rotary mechanism to move so as to indirectly drive the second row group to move, the second support can be far away from the first support to enable the rotary mechanism to separate from the support shaft group and enable the rotary mechanism to rotate and drive the second row group to invert up and down to finish the change of rolling specification, and the embodiment provides a rotary roll-changing mill which can solve the problem that the square tube rolling mill is suitable for producing special-shaped plates and reduces manpower. However, the rolling mill cannot adjust the rolling thickness, cannot realize multi-pass rolling, and cannot be applied to a pre-finishing mill.
Disclosure of Invention
The utility model aims to provide a high-speed wire rod pre-finishing mill group which can be used for adjusting the vertical distance of a horizontal press roller and the horizontal distance of a vertical press roller according to the thickness and the width of rolled steel, and can be used for timely removing dust particles so as to ensure the quality problem caused by dust adsorption of the steel in a red-passing state.
The technical scheme adopted by the utility model is as follows:
a high-speed wire rod pre-finishing mill group comprises a supporting frame body, wherein a compression roller mechanism is arranged in the supporting frame body; the press roller mechanism comprises two first vertical press rollers, two first horizontal press rollers, two second vertical press rollers and two second horizontal press rollers which are sequentially arranged in the supporting frame body; a motor is fixed on the inlet side of the supporting frame body, a first straight fluted disc is connected to a rotating shaft of the motor, a second straight fluted disc, a third straight fluted disc and a fourth straight fluted disc are further rotationally arranged on the supporting frame body, the first straight fluted disc is simultaneously connected with the second straight fluted disc and the third straight fluted disc in a meshed manner, and the second straight fluted disc is connected with the fourth straight fluted disc in a meshed manner;
sliding frames are arranged at two ends of the first horizontal press roller and the second horizontal press roller, and the sliding frames are arranged on the inner side of the supporting frame body in a sliding manner; a first coarse rotating shaft is rotationally arranged in the sliding frame, and the rotating shafts of the first horizontal press roller and the second horizontal press roller are respectively connected with the corresponding first coarse rotating shaft through a first belt;
two sides of the first vertical compression roller and the second vertical compression roller are respectively provided with a second coarse rotating shaft, and the second coarse rotating shafts are rotatably arranged on the supporting frame body; a first bevel gear is fixed on a rotating shaft at one end of the first vertical compression roller and one end of the second vertical compression roller, a corresponding second bevel gear is arranged on a rotating shaft of the second coarse rotating shaft, and the first bevel gear is meshed with the second bevel gear;
the first thick rotating shaft and the second thick rotating shaft which are positioned at the same height and at the same side are connected through the same second belt.
The motor drives the first straight-tooth disc to rotate, so that the third straight-tooth disc and the fourth straight-tooth disc are driven to move relatively, and the third straight-tooth disc drives the upper second belt to move through the second coarse rotating shaft, so that all the first coarse rotating shafts and the second coarse rotating shafts connected with the upper second belt are driven to move; for the first horizontal press roller and the second horizontal press roller, the first belt is driven to move together, and for the first vertical press roller and the second vertical press roller, the first bevel gear and the second bevel gear are driven to move together. The reason of the fourth straight fluted disc is the same.
Feeding pre-rolled steel from between the two first vertical press rolls, and sequentially passing through the two first horizontal press rolls, the two second vertical press rolls and the two second horizontal press rolls; wherein, vertical compression roller limits steel width, and horizontal compression roller suppresses steel thickness.
Further, two sides of the supporting frame body are provided with horizontal press roller distance adjusting mechanisms, each horizontal press roller distance adjusting mechanism comprises a supporting frame, a first electric cylinder is fixed on the supporting frame, a T-shaped annular plate is fixed at the telescopic end of the first electric cylinder, long sliding strips are respectively fixed at two ends of the short side of the T-shaped annular plate, and the long sliding strips are arranged in the supporting frame in a sliding manner; a connecting plate is rotatably arranged between the rotating shafts of the first horizontal press roller and the second horizontal press roller and the long slide bar.
When the first electric cylinder is extended, the included angle between the two connecting plates is driven to be larger through the long slide bar, so that the distance between the two first horizontal press rolls or the two second horizontal press rolls is larger, when the first electric cylinder is shortened, the distance is reduced, and steel with different thicknesses is rolled according to the thickness requirement.
Further, the diameter of the first horizontal press roller is smaller than that of the second horizontal press roller.
From the inlet to the outlet, the diameter of the horizontal press rolls is increased, the distance between the press rolls is reduced, and the steel can be rolled more efficiently.
Further, a friction rod is fixed at the long side end part of the T-shaped annular plate, and a friction circular plate and an elliptical plate which are coaxial are rotationally arranged on the supporting frame body; a long rack is also arranged in the support frame, a limiting chute is arranged on the support frame body, a first spring is arranged in the limiting chute, one end of the long rack is in abutting connection with the elliptic plate, and the other end of the long rack is arranged in the limiting chute in a sliding manner and is connected with the first spring; a belt tightening frame is rotatably arranged between the second belt on the upper side and the second belt on the lower side, a first spur gear is arranged on a rotating shaft of the belt tightening frame, and the first spur gear is meshed with the long toothed bar.
When the distance between the two first horizontal press rolls and the distance between the two second horizontal press rolls are adjusted, the second belt on one side can be loosened, and the force transmission efficiency can be reduced; at this time, the friction rod moves and drives the friction circular plate to rotate, and then drives the elliptic plate to rotate, and the elliptic plate can extrude the long rack when rotating, so that the elliptic plate moves horizontally, and then drives the first straight gear to rotate, and therefore the belt tightening frame moves along with the movement of the horizontal compression roller, and the second belt is kept in a tightening state in real time.
Further, a second electric cylinder is fixed at the upper end of the supporting frame body, a vertical press roller adjusting frame is connected to the telescopic end of the second electric cylinder, and one of the first vertical press roller and the second vertical press roller is arranged on the vertical press roller adjusting frame.
If the width of the rolled steel is required to be adjusted, the pressing roller on one side of the first vertical pressing roller and the second vertical pressing roller horizontally moves through the mechanism.
Further, a supporting plate is arranged at the outlet of the supporting frame body and consists of an upper part and a lower part, and each part is provided with a second spring.
The steel material is rolled from an initial relatively thick state to a relatively thin state, and is thinned and thinned when reaching the outlet, and thus needs to be supported. And a second spring is arranged to adapt to the thickness of the steel.
Further, a dust removal spraying mechanism is arranged above the supporting frame body.
In the rolling process, a large amount of dust particles exist to influence the quality, and the particles are removed through a dust removal spraying mechanism.
Further, the dust removal spraying mechanism comprises a third bevel gear fixed on the rotating shaft of the second horizontal press roller, and the third bevel gear is connected with a vertical connecting shaft through a fourth bevel gear; a water tank is arranged above the supporting frame body, a second straight gear is arranged in the water tank, a third belt is arranged on a rotating shaft at the lower part of the second straight gear, and two ends of the third belt are connected with size-adjustable spray heads; the vertical connecting shaft is connected with a third spur gear through a fourth belt, the third spur gear is meshed with a second spur gear, and the thickness of the third spur gear is smaller than that of the second spur gear.
The third bevel gear drives the vertical connecting shaft to rotate through the fourth bevel gear, and then drives the second straight gear to rotate through the fourth belt and the third straight gear, and then the water spraying amount is regulated through the third belt; because the distance between the two second horizontal press rollers is adjusted, the second horizontal press roller above can move up and down, the thickness of the third spur gear is smaller than that of the second spur gear, and the two spur gears can be always meshed and connected at any time.
The utility model has the beneficial effects that:
according to the thickness and the width of rolled steel, the vertical distance of the horizontal press roller and the horizontal distance of the vertical press roller can be adjusted according to the requirement; the horizontal press roller groups with different sizes are arranged, so that rolling from thick to thin can be realized in the same rolling process, and the rolling effect is improved; the belt tightening frame is arranged, so that the belt tightening state can be kept all the time while the distance between the press rolls is adjusted; the size-adjustable spraying mechanism is arranged, so that dust particles can be removed in time, and the quality problem caused by dust adsorption of steel in a red-passing state is guaranteed.
Drawings
FIG. 1 is a schematic view of the left side outlet angle of the overall structure of the present utility model;
FIG. 2 is a left side inlet angle schematic view of the overall structure of the present utility model;
FIG. 3 is a schematic view of the right side outlet angle of the overall structure of the present utility model;
FIG. 4 is an enlarged view at A in FIG. 3;
FIG. 5 is a right side inlet angle schematic view of the present utility model (with the sink removed);
FIG. 6 is a cross-sectional view of the present utility model;
FIG. 7 is a schematic illustration of FIG. 6 with two horizontal press rolls one from the other;
FIG. 8 is an enlarged view at B in FIG. 7;
FIG. 9 is an exploded view of the present utility model;
in the figure, 1, a supporting frame body, 2, a press roller mechanism, 201, a first vertical press roller, 202, a first horizontal press roller, 203, a second vertical press roller, 204, a second horizontal press roller, 205, a motor, 206, a first straight toothed disc, 207, a second straight toothed disc, 208, a third straight toothed disc, 209, a fourth straight toothed disc, 210, a sliding frame, 211, a first coarse rotating shaft, 212, a first belt, 213, a second coarse rotating shaft, 214, a first bevel gear, 215, a second bevel gear, 216, a second belt, 3, a horizontal press roller distance adjusting mechanism, 301, a supporting frame, 302, a first electric cylinder, 303, a T-shaped annular plate, 304, a long slide bar, 305, a connecting plate, 306, a friction rod, 307, a friction circular plate, 308, an elliptic plate, 309, a long toothed bar, 310, a limiting chute, 311, a first spring, 312, a belt tightening frame, 313, a first straight gear, 314, a second electric cylinder, 315, a vertical press roller adjusting frame, 4, a supporting support plate, 401, a second spring, 5, a dedusting and spraying mechanism, 501, a third bevel gear, 502, a fourth bevel gear, 503, a vertical connecting shaft, 504, a water tank, 505, a second straight gear, 506, a third belt, 507, a size-adjustable spray head, 508, a fourth belt, 509, a third straight gear.
Description of the embodiments
As shown in fig. 1 to 9, a high-speed wire rod pre-finishing mill group comprises a supporting frame body 1, wherein a compression roller mechanism 2 is arranged in the supporting frame body 1; the press roller mechanism 2 comprises two first vertical press rollers 201, two first horizontal press rollers 202, two second vertical press rollers 203 and two second horizontal press rollers 204 which are sequentially arranged in the supporting frame body 1; a motor 205 is fixed on the inlet side of the supporting frame body 1, a first straight-tooth disc 206 is connected to the rotating shaft of the motor 205, a second straight-tooth disc 207, a third straight-tooth disc 208 and a fourth straight-tooth disc 209 are also rotatably arranged on the supporting frame body 1, the first straight-tooth disc 206 is simultaneously meshed with the second straight-tooth disc 207 and the third straight-tooth disc 208, and the second straight-tooth disc 207 is meshed with the fourth straight-tooth disc 209; the two ends of the first horizontal press roller 202 and the second horizontal press roller 204 are respectively provided with a sliding frame 210, and the sliding frames 210 are arranged on the inner side of the supporting frame body 1 in a sliding manner; a first coarse rotating shaft 211 is rotationally arranged in the sliding frame 210, and the rotating shafts of the first horizontal pressing roller 202 and the second horizontal pressing roller 204 are respectively connected with the corresponding first coarse rotating shaft 211 through a first belt 212; two sides of the first vertical compression roller 201 and the second vertical compression roller 203 are respectively provided with a second thick rotating shaft 213, and the second thick rotating shafts 213 are rotatably arranged on the supporting frame body 1; a first bevel gear 214 is fixed on a rotating shaft at one end of the first vertical compression roller 201 and the second vertical compression roller 203, a corresponding second bevel gear 215 is arranged on a rotating shaft of the second coarse rotating shaft 213, and the first bevel gear 214 is in meshed connection with the second bevel gear 215; the first thick rotating shaft 211 and the second thick rotating shaft 213 at the same height and at the same side are connected by the same second belt 216.
The motor 205 drives the first straight-tooth disc 206 to rotate, so as to drive the third straight-tooth disc 208 and the fourth straight-tooth disc 209 to move relatively, and the third straight-tooth disc 208 drives the second belt 216 on the upper side to move through the second thick rotating shaft 213, so that all the first thick rotating shafts 211 and the second thick rotating shafts 213 connected with the second belt 216 on the upper side are driven to move; for the first horizontal press roller 202 and the second horizontal press roller 204, the first belt 212 is driven to move together, and for the first vertical press roller 201 and the second vertical press roller 203, the first bevel gear 214 and the second bevel gear 215 are driven to move together. The reason for the fourth spur gear 209 is the same. The pre-rolled steel is fed from the space between the first vertical press rolls 201, and sequentially passes through the first horizontal press rolls 202, the second vertical press rolls 203 and the second horizontal press rolls 204; wherein, vertical compression roller limits steel width, and horizontal compression roller suppresses steel thickness.
The two sides of the supporting frame body 1 are provided with horizontal press roller distance adjusting mechanisms 3, each horizontal press roller distance adjusting mechanism 3 comprises a supporting frame 301, a first electric cylinder 302 is fixed on the supporting frame 301, a T-shaped annular plate 303 is fixed at the telescopic end of the first electric cylinder 302, long sliding strips 304 are respectively fixed at two ends of the short side of the T-shaped annular plate 303, and the long sliding strips 304 are arranged in the supporting frame 301 in a sliding manner; a connecting plate 305 is rotatably arranged between the rotating shafts of the first horizontal press roller 202 and the second horizontal press roller 204 and the long slide 304.
When the first electric cylinder 302 is extended, the long slide bar 304 drives the included angle of the two connecting plates 305 to be increased, so that the distance between the two first horizontal press rolls 202 or the two second horizontal press rolls 204 is increased, and when the first electric cylinder 302 is shortened, the distance is reduced, and steel materials with different thicknesses are rolled according to the thickness requirement.
The diameter of the first horizontal press roll 202 is smaller than the diameter of the second horizontal press roll 204. From the inlet to the outlet, the diameter of the horizontal press rolls is increased, the distance between the press rolls is reduced, and the steel can be rolled more efficiently when the relative distance is adjusted simultaneously.
A friction rod 306 is fixed at the long side end of the T-shaped annular plate 303, and a friction circular plate 307 and an elliptical plate 308 which are coaxial are rotatably arranged on the supporting frame body 1; a long rack 309 is also arranged in the support frame 301, a limit chute 310 is arranged on the support frame body 1, a first spring 311 is arranged in the limit chute 310, one end of the long rack 309 is in abutting connection with the elliptical plate 308, and the other end of the long rack 309 is arranged in the limit chute 310 in a sliding manner and is simultaneously connected with the first spring 311; a belt tightening frame 312 is rotatably arranged between the upper second belt 216 and the lower second belt 216, a first straight gear 313 is arranged on the rotating shaft of the belt tightening frame 312, and the first straight gear 313 is meshed with the long rack 309.
When the distance between the two first horizontal press rolls 202 and the distance between the two second horizontal press rolls 204 are adjusted, the second belt 216 on one side may be loosened, and the force transmission efficiency may be reduced; at this time, the friction rod 306 moves to drive the friction circular plate 307 to rotate, and then drive the elliptical plate 308 to rotate, and when the elliptical plate 308 rotates, the elliptical plate 308 extrudes the long rack 309 to make it move horizontally, and then drive the first straight gear 313 to rotate, so that the belt tightening frame 312 moves along with the movement of the horizontal press roller, and the second belt 216 is kept in a tightened state in real time.
A second electric cylinder 314 is fixed at the upper end of the supporting frame body 1, a vertical press roller adjusting frame 315 is connected to the telescopic end of the second electric cylinder 314, and one of the first vertical press roller 201 and the second vertical press roller 203 is arranged on the vertical press roller adjusting frame 315. If the width of the rolled steel is required to be adjusted, the rolls on one side of the first vertical roll 201 and the second vertical roll 203 are horizontally moved by the mechanism.
The outlet of the supporting frame body 1 is provided with a supporting plate 4, the supporting plate 4 is composed of an upper part and a lower part, and each part is provided with a second spring 401. The steel material is rolled from an initial relatively thick state to a relatively thin state, and is thinned and thinned when reaching the outlet, and thus needs to be supported. The spring number two 401 is arranged so as to adapt to the thickness of the steel.
A dust removal spraying mechanism 5 is arranged above the supporting frame body 1. During the rolling process, a large amount of dust particles exist to influence the quality, and the particles are removed by the dust removing and spraying mechanism 5.
The dust removal spraying mechanism 5 comprises a third bevel gear 501 fixed on the rotating shaft of the second horizontal press roller 204, and the third bevel gear 501 is connected with a vertical connecting shaft 503 through a fourth bevel gear 502; a water tank 504 is arranged above the supporting frame body 1, a second straight gear 505 is arranged in the water tank 504, a third belt 506 is arranged on a rotating shaft at the lower part of the second straight gear 505, and two ends of the third belt 506 are connected with size-adjustable spray heads 507; the vertical connecting shaft 503 is connected with a third spur gear 509 through a fourth belt 508, the third spur gear 509 is meshed with the second spur gear 505, and the thickness of the third spur gear 509 is smaller than that of the second spur gear 505.
The third bevel gear 501 drives the vertical connecting shaft 503 to rotate through the fourth bevel gear 502, and then drives the second straight gear 505 to rotate through the fourth belt 508 and the third straight gear 509, and then the water spraying amount is regulated through the third belt 506; since the upper horizontal press roller 204 moves up and down when the distance between the two horizontal press rollers 204 is adjusted, the thickness of the third spur gear 509 is smaller than that of the second spur gear 505, and the two spur gears can be always engaged at any time.

Claims (8)

1. The high-speed wire rod pre-finishing mill group is characterized by comprising a supporting frame body (1), wherein a compression roller mechanism (2) is arranged in the supporting frame body (1); the press roller mechanism (2) comprises two first vertical press rollers (201), two first horizontal press rollers (202), two second vertical press rollers (203) and two second horizontal press rollers (204) which are sequentially arranged in the supporting frame body (1); a motor (205) is fixed on the inlet side of the supporting frame body (1), a first straight-tooth disc (206) is connected to the rotating shaft of the motor (205), a second straight-tooth disc (207), a third straight-tooth disc (208) and a fourth straight-tooth disc (209) are further rotationally arranged on the supporting frame body (1), the first straight-tooth disc (206) is simultaneously connected with the second straight-tooth disc (207) and the third straight-tooth disc (208) in a meshed mode, and the second straight-tooth disc (207) is connected with the fourth straight-tooth disc (209) in a meshed mode;
sliding frames (210) are arranged at two ends of the first horizontal press roller (202) and the second horizontal press roller (204), and the sliding frames (210) are arranged on the inner side of the supporting frame body (1) in a sliding manner; a first coarse rotating shaft (211) is rotationally arranged in the sliding frame (210), and the rotating shafts of the first horizontal press roller (202) and the second horizontal press roller (204) are respectively connected with the corresponding first coarse rotating shaft (211) through a first belt (212);
two sides of the first vertical compression roller (201) and the second vertical compression roller (203) are respectively provided with a second coarse rotating shaft (213), and the second coarse rotating shafts (213) are rotatably arranged on the supporting frame body (1); a first bevel gear (214) is fixed on the rotating shaft at one end of the first vertical compression roller (201) and the second vertical compression roller (203), a corresponding second bevel gear (215) is arranged on the rotating shaft of the second coarse rotating shaft (213), and the first bevel gear (214) is meshed with the second bevel gear (215);
the first thick rotating shaft (211) and the second thick rotating shaft (213) which are positioned at the same height and at the same side are connected through the same second belt (216).
2. The high-speed wire rod pre-finishing mill group according to claim 1, wherein horizontal press roller distance adjusting mechanisms (3) are arranged on two sides of the supporting frame body (1), each horizontal press roller distance adjusting mechanism (3) comprises a supporting frame (301), a first electric cylinder (302) is fixed on the supporting frame (301), a T-shaped annular plate (303) is fixed at the telescopic end of the first electric cylinder (302), long sliding strips (304) are respectively fixed at two ends of the short side of the T-shaped annular plate (303), and the long sliding strips (304) are arranged in the supporting frame (301) in a sliding mode; a connecting plate (305) is rotatably arranged between the rotating shafts of the first horizontal press roller (202) and the second horizontal press roller (204) and the long slide bar (304).
3. A high speed wire rod pre-finishing mill group according to claim 1, wherein the diameter of the first horizontal press roll (202) is smaller than the diameter of the second horizontal press roll (204).
4. A high-speed wire rod pre-finishing mill group according to claim 2, characterized in that a friction rod (306) is fixed at the long side end of the T-shaped annular plate (303), and a friction circular plate (307) and an elliptical plate (308) which are coaxial are rotatably arranged on the supporting frame body (1); a long rack (309) is further arranged in the support frame (301), a limiting chute (310) is arranged on the support frame body (1), a first spring (311) is arranged in the limiting chute (310), one end of the long rack (309) is in contact with the elliptical plate (308) in a collision mode, and the other end of the long rack is arranged in the limiting chute (310) in a sliding mode and is connected with the first spring (311); a belt tightening frame (312) is rotatably arranged between the upper second belt (216) and the lower second belt (216), a first straight gear (313) is arranged on a rotating shaft of the belt tightening frame (312), and the first straight gear (313) is meshed and connected with the long toothed bar (309).
5. The high-speed wire rod pre-finishing mill group according to claim 2, wherein a second electric cylinder (314) is fixed at the upper end of the supporting frame body (1), a vertical press roller adjusting frame (315) is connected to the telescopic end of the second electric cylinder (314), and one press roller of the first vertical press roller (201) and the second vertical press roller (203) is arranged on the vertical press roller adjusting frame (315).
6. A high-speed wire rod pre-finishing mill group according to claim 1, characterized in that a supporting pallet (4) is provided at the outlet of the supporting frame body (1), the supporting pallet (4) is composed of an upper part and a lower part, and each part is provided with a second spring (401).
7. A high-speed wire rod pre-finishing mill group according to claim 1, characterized in that a dust removal spray mechanism (5) is arranged above the supporting frame body (1).
8. The high-speed wire rod pre-finishing mill group according to claim 7, wherein the dust removal spraying mechanism (5) comprises a third bevel gear (501) fixed on a rotating shaft of a second horizontal press roller (204), and the third bevel gear (501) is connected with a vertical connecting shaft (503) through a fourth bevel gear (502); a water tank (504) is arranged above the supporting frame body (1), a second straight gear (505) is arranged in the water tank (504), a third belt (506) is arranged on a rotating shaft at the lower part of the second straight gear (505), and two ends of the third belt (506) are connected with size-adjustable spray heads (507); the vertical connecting shaft (503) is connected with a third spur gear (509) through a fourth belt (508), the third spur gear (509) is meshed with a second spur gear (505), and the thickness of the third spur gear (509) is smaller than that of the second spur gear (505).
CN202310574639.XA 2023-05-22 2023-05-22 High-speed wire rod finishing mill group in advance Pending CN116900044A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310574639.XA CN116900044A (en) 2023-05-22 2023-05-22 High-speed wire rod finishing mill group in advance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310574639.XA CN116900044A (en) 2023-05-22 2023-05-22 High-speed wire rod finishing mill group in advance

Publications (1)

Publication Number Publication Date
CN116900044A true CN116900044A (en) 2023-10-20

Family

ID=88365600

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310574639.XA Pending CN116900044A (en) 2023-05-22 2023-05-22 High-speed wire rod finishing mill group in advance

Country Status (1)

Country Link
CN (1) CN116900044A (en)

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