CN110238197B - Cold continuous rolling production method for aluminum alloy material - Google Patents

Cold continuous rolling production method for aluminum alloy material Download PDF

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Publication number
CN110238197B
CN110238197B CN201910562942.1A CN201910562942A CN110238197B CN 110238197 B CN110238197 B CN 110238197B CN 201910562942 A CN201910562942 A CN 201910562942A CN 110238197 B CN110238197 B CN 110238197B
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roller
aluminum alloy
fixing
ring
sleeve
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CN110238197A (en
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不公告发明人
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Foshan Nanhai aorong Aluminum Co.,Ltd.
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Foshan Nanhai Aorong Aluminum Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B1/00Metal-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
    • B21B1/46Metal-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 metal immediately subsequent to continuous casting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B27/00Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/06Lubricating, cooling or heating rolls
    • B21B27/08Lubricating, cooling or heating rolls internally
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B27/00Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/06Lubricating, cooling or heating rolls
    • B21B27/08Lubricating, cooling or heating rolls internally
    • B21B2027/083Lubricating, cooling or heating rolls internally cooling internally

Abstract

The invention relates to the field of aluminum alloy manufacturing, in particular to a cold continuous rolling production method of an aluminum alloy material, wherein a production device adopted by the production method comprises a supporting table, an extrusion mechanism, a lifting mechanism, a cooling mechanism, a connecting mechanism, a driving mechanism, a fixing mechanism and a limiting mechanism; in the process of processing aluminum alloy by rotating the extrusion mechanism, water enters the extrusion mechanism and the cooling mechanism through the connecting mechanism, the extrusion mechanism rotates to be fully contacted with the water in the cooling mechanism, so that the surface temperature of the cooling mechanism is reduced, and in the process of extruding aluminum alloy, the extrusion mechanism absorbs the temperature of the aluminum alloy to reduce the temperature of the aluminum alloy, so that the strength of the extruded aluminum alloy is maintained.

Description

Cold continuous rolling production method for aluminum alloy material
Technical Field
The invention relates to the field of aluminum alloy manufacturing, in particular to a cold continuous rolling production method of an aluminum alloy material.
Background
Cold rolling is a process of working a hot-rolled sheet at normal temperature, but the steel sheet is heated by rolling during the working process, and is called cold rolling. Only for simply deformed parts. And continuously rolling the hot-rolled pickled coil at normal temperature.
When a cold rolling mill is used for processing the surface of the aluminum alloy in summer, the interior of a factory is stuffy, the surface temperature of the aluminum alloy and the surface temperature of the compression roller are overhigh, the hardness of the aluminum alloy is reduced in the pressing process, the aluminum alloy is not suitable for manufacturing products which do not need to be bent or stretched, and the application range of the aluminum alloy is reduced.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a cold continuous rolling production method for an aluminum alloy material.
The technical scheme adopted by the invention for solving the technical problems is as follows: a cold continuous rolling production method of an aluminum alloy material comprises the following steps:
s1: starting a switch of a smelting furnace to heat the temperature in the smelting furnace to 1800 ℃, simultaneously putting the aluminum alloy into the smelting furnace for smelting, reducing the temperature of the smelting furnace due to the opening of a furnace door in the process of putting the aluminum alloy into the smelting furnace, still maintaining the temperature in the smelting furnace at 1500-1750 ℃, and removing slag and oxygen from the aluminum alloy;
s2: conveying the aluminum alloy smelted in the step S1 to a production device through a conveying device, blowing the conveyed aluminum alloy by using a blower in the conveying process to reduce the temperature of the aluminum alloy, and keeping the temperature of the aluminum alloy at normal temperature when the aluminum alloy reaches the production device in the conveying process;
s3: starting a switch of the production device, carrying out cold rolling on the aluminum alloy conveyed to the production device, and carrying out precision treatment on the cold-rolled aluminum alloy according to actual conditions during the cold rolling so as to ensure the production quality of the aluminum alloy;
the production device adopted in the step S2 includes a support table, an extrusion mechanism, a lifting mechanism, a cooling mechanism, a connecting mechanism, a driving mechanism, a fixing mechanism and a limiting mechanism; the interior of the supporting table is rotationally connected with the extrusion mechanism, and the interior of the top end of the supporting table is symmetrically rotationally connected with the lifting mechanism; one end of the extrusion mechanism is rotatably connected with the driving mechanism, and the connecting mechanism is arranged at the connecting position of the driving mechanism and the extrusion mechanism; the inner part of the supporting table is connected with the fixing mechanism in a sliding manner, and the bottom end of the lifting mechanism is connected with the fixing mechanism or the driving mechanism in a rotating manner; the extrusion mechanism is internally provided with the cooling mechanism, the top end of the cooling mechanism is communicated with the fixing mechanism, the fixing mechanism is connected with the limiting mechanism in a sliding mode, and the limiting mechanism is clamped with the lifting mechanism.
Specifically, the extrusion mechanism comprises a first roller, a fixed box and a second roller, the inside of the supporting table is rotatably connected with the first roller and the second roller, the fixed box is installed at the top end of the second roller, the fixed box and the second roller are slidably connected with the supporting table, and the rotating directions of the first roller and the second roller are opposite.
Specifically, actuating mechanism includes pivot and motor, the internally mounted of brace table has two the motor, the one end installation of motor the pivot, just the one end fixed connection of pivot first cylinder or the second cylinder.
Specifically, the connecting mechanism comprises a connecting sleeve, a second rubber pad, a supporting rod and a connecting ring, the connecting ring is respectively installed at one end of the rotating shaft, one end of the first roller and one end of the second roller, two ends inside the connecting sleeve are respectively connected with the connecting sleeve in a rotating mode, the supporting rod is connected inside the connecting sleeve in a sliding mode, and two ends of the supporting rod are respectively fixedly connected with the connecting ring; the second rubber pads are symmetrically arranged in the connecting sleeve, and the side walls of the second rubber pads are rotationally connected with the connecting ring.
Specifically, the cooling mechanism comprises a hose, a connecting pipe, a supporting ring and a first rubber pad, the supporting ring is rotatably connected inside the other ends of the first roller and the second roller, the first rubber pad is mounted inside the first roller and the second roller, and the supporting ring is connected with the first rubber pad in a sliding manner; one end of the support ring is fixedly connected with the connecting pipe, and the side wall of the connecting pipe on the side wall of the first roller is provided with the hose.
Specifically, the lifting mechanism comprises a rotating rod, a turbine and a screw rod, the rotating rod and the turbine are rotatably connected to the inside of the top end of the supporting table, and the rotating rod is meshed with the turbine; the turbine is in threaded connection with the screw rod, and the bottom end of the screw rod is rotatably connected with the motor or the fixing mechanism at one end of the second roller.
Specifically, the fixing mechanism comprises a fixing sleeve, a fixing ring and a third rubber pad, two ends of the fixing sleeve are respectively connected with the top end of the hose and the connecting pipe on the side wall of the second roller, and the inside of the fixing sleeve is rotatably connected with the screw; the fixing ring is mounted at the bottom end of the screw rod and is rotatably connected inside the fixing sleeve; the third rubber pad is mounted inside the bottom end of the fixing sleeve, and the top end of the third rubber pad is rotatably connected with the fixing ring.
Specifically, the limiting mechanism comprises sawteeth, a fixing piece, a fixing block, a spring, a limiting rod and a piston, the fixing block is mounted inside the top end of the hose, and the limiting rod with a T-shaped side wall is connected inside the fixing block in a sliding mode; one end of the limiting rod is sleeved with the spring, and one end of the spring abuts against the fixing block; the other end of the limiting rod is fixedly connected with the piston, and the piston is connected with the inside of the hose in a sliding manner; the sawtooth is installed at the bottom end of the screw rod, the fixing piece is vertically installed at one end of the piston, and the sawtooth is clamped by the fixing piece.
The invention has the beneficial effects that:
(1) according to the aluminum alloy material cold continuous rolling production method, the connecting mechanism is installed at one end of the supporting table, water enters the extrusion mechanism and the cooling mechanism through the connecting mechanism in the process of processing aluminum alloy by rotating the extrusion mechanism, the water flows upwards in the extrusion mechanism, the extrusion mechanism rotates to be fully contacted with the water in the cooling mechanism, the surface temperature of the cooling mechanism is reduced, the extrusion mechanism absorbs the surface temperature of the aluminum alloy in the process of extruding the aluminum alloy, the surface temperature of the aluminum alloy is reduced, and therefore the strength of the extruded aluminum alloy is maintained.
(2) According to the aluminum alloy material cold continuous rolling production method, the lifting mechanism is arranged inside the supporting table, the lifting mechanism drives the extrusion mechanism to move by rotating the lifting mechanism, the internal space of the extrusion mechanism is adjusted, aluminum alloys with different thicknesses can be conveniently extruded by the aluminum alloys, and when water moves inside the cooling mechanism, the limiting mechanism is pushed to move, so that the limiting mechanism is clamped with the lifting mechanism, the lifting mechanism is fixed again, the space inside the extrusion mechanism is kept, and the thicknesses of the processed aluminum alloys are kept consistent.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of a method of the present invention;
FIG. 2 is a schematic structural view of a production apparatus used in the present invention;
FIG. 3 is a schematic view of the internal structure of the lifting mechanism shown in FIG. 2;
FIG. 4 is a schematic view of the internal structure of the support table shown in FIG. 2;
fig. 5 is a schematic view of the internal structure of the connecting sleeve shown in fig. 4;
fig. 6 is a schematic view of the internal structure of the pouch shown in fig. 4.
In the figure: 1. supporting table, 2, extruding mechanism, 21, first roller, 22, fixed box, 23, second roller, 3, lifting mechanism, 31, rotating rod, 32, turbine, 33, screw, 4, cooling mechanism, 41, hose, 42, connecting pipe, 43, supporting ring, 44, first rubber pad, 5, connecting mechanism, 51, connecting sleeve, 52, second rubber pad, 53, supporting rod, 54, connecting ring, 6, driving mechanism, 61, rotating shaft, 62, motor, 7, fixing mechanism, 71, fixing sleeve, 72, fixing ring, 73, third rubber pad, 8, limiting mechanism, 81, sawtooth, 82, fixing piece, 83, fixing block, 84, spring, 85, limiting rod, 86 and piston.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-6, the production method of the aluminum alloy material cold continuous rolling of the invention comprises the following steps:
s1: starting a switch of a smelting furnace to heat the temperature in the smelting furnace to 1800 ℃, simultaneously putting the aluminum alloy into the smelting furnace for smelting, reducing the temperature of the smelting furnace due to the opening of a furnace door in the process of putting the aluminum alloy into the smelting furnace, still maintaining the temperature in the smelting furnace at 1500-1750 ℃, and removing slag and oxygen from the aluminum alloy;
s2: conveying the aluminum alloy smelted in the step S1 to a production device through a conveying device, blowing the conveyed aluminum alloy by using a blower in the conveying process to reduce the temperature of the aluminum alloy, and keeping the temperature of the aluminum alloy at normal temperature when the aluminum alloy reaches the production device in the conveying process;
s3: starting a switch of the production device, carrying out cold rolling on the aluminum alloy conveyed to the production device, and carrying out precision treatment on the cold-rolled aluminum alloy according to actual conditions during the cold rolling so as to ensure the production quality of the aluminum alloy;
the production device adopted by the invention comprises a supporting table 1, an extrusion mechanism 2, a lifting mechanism 3, a cooling mechanism 4, a connecting mechanism 5, a driving mechanism 6, a fixing mechanism 7 and a limiting mechanism 8; the inside of the supporting table 1 is rotationally connected with the extrusion mechanism 2, and the inside of the top end of the supporting table 1 is symmetrically rotationally connected with the lifting mechanism 3; one end of the extrusion mechanism 2 is rotatably connected with the driving mechanism 6, and the connecting mechanism 5 is arranged at the connecting part of the driving mechanism 6 and the extrusion mechanism 2; the inside of the supporting table 1 is connected with the fixing mechanism 7 in a sliding manner, and the bottom end of the lifting mechanism 3 is connected with the fixing mechanism 7 or the driving mechanism 6 in a rotating manner; the inside installation of extrusion mechanism 2 cooling mechanism 4, cooling mechanism 4's top intercommunication fixed establishment 7, fixed establishment 7's inside sliding connection stop gear 8, just stop gear 8 block elevating system 3
Specifically, the extruding mechanism 2 includes a first roller 21, a fixed box 22 and a second roller 23, the inside of the supporting table 1 is rotatably connected with the first roller 21 and the second roller 23, the top end of the second roller 23 is provided with the fixed box 22, the fixed box 22 and the second roller 23 are slidably connected with the supporting table 1, the rotating directions of the first roller 21 and the second roller 23 are opposite, so as to facilitate the rotation of the first roller 21 and the second roller 23, when aluminum alloy enters the bottom surface of the fixed box 22, the first roller 21 rotates to drive the air inside the supporting table 1 to move upwards, the second roller 23 drives the air inside the fixed box 22 to move downwards, so that the air is in contact with two surfaces of the aluminum alloy, the surface temperature of the aluminum alloy is reduced, and the first roller 21 and the second roller 23 are convenient to extrude the aluminum alloy, the strength of the aluminum alloy is maintained.
Specifically, actuating mechanism 6 includes pivot 61 and motor 62, the internally mounted of brace table 1 has two motor 62, the one end installation of motor 62 pivot 61, just the one end fixed connection of pivot 61 first cylinder 21 or second cylinder 23, for the convenience motor 62 drives pivot 61 rotates, pivot 61 drives first cylinder 21 with second cylinder 23 rotates, and is convenient first cylinder 21 with second cylinder 23 extrudees the aluminum alloy.
Specifically, the connecting mechanism 5 includes a connecting sleeve 51, a second rubber pad 52, a supporting rod 53 and a connecting ring 54, the connecting ring 54 is respectively installed at one end of the rotating shaft 61, one end of the first roller 21 and one end of the second roller 23, two ends inside the connecting sleeve 51 are respectively rotatably connected with the connecting sleeve 51, the supporting rod 53 is slidably connected inside the connecting sleeve 51, and two ends of the supporting rod 53 are respectively fixedly connected with the connecting ring 54; the inside symmetry installation of adapter sleeve 51 the second rubber pad 52, just the lateral wall of second rubber pad 52 rotates to be connected the go-between 54, and for the convenience the pivot 61 drives the go-between 54 is in the inside rotation of adapter sleeve 51, and because the go-between 54 drives the bracing piece 53 rotates, the bracing piece 53 drives another the go-between 54 is in the inside rotation of adapter sleeve 51, thereby makes the go-between 54 drives first cylinder 21 with second cylinder 23 rotates, and the cooling water gets into the inside of adapter sleeve 51, water runs through adapter sleeve 51 with the go-between 54 gets into the inside of first cylinder 21.
Specifically, the cooling mechanism 4 includes a hose 41, a connecting pipe 42, a supporting ring 43 and a first rubber pad 44, the supporting ring 43 is rotatably connected to the inside of the other end of the first drum 21 and the other end of the second drum 23, which are in a truncated cone shape, the first rubber pad 44 is installed inside the first drum 21 and the second drum 23, and the supporting ring 43 is slidably connected to the first rubber pad 44; one end fixed connection of support ring 43 the connecting pipe 42, just the first cylinder 21 lateral wall the lateral wall installation of connecting pipe 42 hose 41, the cooling water is in the inside of first cylinder 21 rotates, just first cylinder 21 is inside to be the round platform shape, makes the inside water entering of first cylinder 21 the inside entering of support ring 43 the inside of hose 41 makes water in the inside upward movement of hose 41 reduces water flow velocity, increases water with first cylinder 21 with second cylinder 23 contact time, makes first cylinder 21 with the inside temperature reduction of cylinder 23.
Specifically, the lifting mechanism 3 comprises a rotating rod 31, a turbine 32 and a screw 33, the rotating rod 31 and the turbine 32 are rotatably connected to the inside of the top end of the support table 1, and the rotating rod 31 engages with the turbine 32; the worm wheel 32 is in threaded connection with the screw rod 33, the bottom end of the screw rod 33 is rotatably connected with the motor 62 or the fixing mechanism 7 at one end of the second roller 23, in order to rotate the rotating rod 31, the rotating rod 31 drives the worm wheel 32 to rotate, and by using the principle of the worm wheel rotating rod, the worm wheel 32 drives the screw rod 33 to vertically move, so that the screw rod 33 drives the motor 62 and the fixing mechanism 7 at one end of the second roller 23 to vertically move, thereby driving the second roller 23 to vertically move, adjusting the distance between the second roller 23 and the first roller 21, and conveniently adjusting the distance between the first roller 21 and the second roller 23.
Specifically, the fixing mechanism 7 includes a fixing sleeve 71, a fixing ring 72 and a third rubber pad 73, two ends of the fixing sleeve 71 are respectively connected to the top end of the hose 41 and the connecting pipe 42 on the side wall of the second drum 23, and the inside of the fixing sleeve 71 is rotatably connected to the screw 33; the fixing ring 72 is mounted at the bottom end of the screw 33, and the fixing ring 72 is rotatably connected inside the fixing sleeve 71; the bottom internally mounted of fixed cover 71 the third rubber pad 73, just the top of third rubber pad 73 is rotated and is connected fixed ring 72, and for convenience when screw 33 rotates, screw 33 drives fixed ring 72 is in the inside of fixed cover 71 rotates, just screw 33 moves, screw 33 drives fixed ring 72 with fixed cover 71 vertical motion, and makes the inside water of hose 41 runs through fixed cover 71 gets into the inside of second cylinder 23 makes the second cylinder 23 temperature reduces.
Specifically, the limiting mechanism 8 comprises a sawtooth 81, a fixing piece 82, a fixing block 83, a spring 84, a limiting rod 85 and a piston 86, the fixing block 83 is mounted inside the top end of the hose 41, and the limiting rod 85 with a T-shaped side wall is connected inside the fixing block 83 in a sliding manner; one end of the limiting rod 85 is sleeved with the spring 84, and one end of the spring 84 abuts against the fixing block 83; the other end of the limiting rod 85 is fixedly connected with the piston 86, and the piston 86 is connected with the inside of the hose 41 in a sliding manner; the sawtooth 81 is installed at the bottom end of the screw 33, the fixing plate 82 is vertically installed at one end of the piston 86, the fixing plate 82 is clamped with the sawtooth 81, in order that when water moves from the inside of the hose 41, the water extrudes the piston 86, the piston 86 enters the inside of the fixing sleeve 71 from the inside of the hose 41, the piston 86 drives the limiting rod 85 to move inside the fixing block 83, the limiting rod 85 extrudes the spring 84, and the piston 86 drives the fixing plate 82 to move, so that the fixing plate 82 is clamped with the sawtooth 81 at the bottom end of the screw 33, the screw 33 is fixed, the screw 33 is prevented from rotating, the second roller 23 is fixed, the distance between the first roller 21 and the second roller 22 is unchanged, and the extruded aluminum alloy is consistent in thickness.
In use, the rotating rod 31 is rotated, the rotating rod 31 drives the worm gear 32 to rotate, the worm gear 32 drives the screw rod 33 to vertically move by using a worm gear rotating rod principle, so that the screw rod 33 drives the motor 62 and the fixing sleeve 71 at one end of the second roller 23 to vertically move, thereby driving the second roller 23 to vertically move, adjusting the distance between the second roller 23 and the first roller 21, facilitating adjustment of the distance between the first roller 21 and the second roller 23, and enabling the first roller 21 and the second roller 23 to extrude aluminum alloys with different thicknesses; will the adapter sleeve 51 of first cylinder 21 lateral wall switches on cooling water, and water runs through the adapter sleeve 51 gets into the inside of first cylinder 21, first cylinder 21 with second cylinder 23 is inside to be the round platform shape, makes the inside water of first cylinder 21 runs through first cylinder 21 gets into the inside of hose 41, water is in the inside upflow of hose 41 runs through fixed cover 71 gets into the inside of second cylinder 23, and water is followed again the second cylinder 23 lateral wall the adapter sleeve 51 is discharged, and water upflow reduces water flow velocity, increase water with first cylinder 21 with second cylinder 23 contact time, make first cylinder 21 with second cylinder 23 surface temperature reduces fast. When water moves from the inside of the hose 41, the water extrudes the piston 86, so that the piston 86 enters the inside of the fixed sleeve 71 from the inside of the hose 41, the piston 86 drives the limiting rod 85 to move in the fixed block 83, the limiting rod 85 extrudes the spring 84, the piston 86 drives the fixed plate 82 to move, the fixed plate 82 is clamped with the saw teeth 81 at the bottom end of the screw 33, the screw 33 is fixed, the screw 33 is prevented from rotating, the second roller 23 is fixed, the distance between the first roller 21 and the second roller 22 is unchanged, and the extruded aluminum alloy is consistent in thickness. Turning on the motor 62, the motor 62 driving the rotating shaft 61 to rotate inside the connecting sleeve 51, the rotating shaft 61 driving the connecting ring 54 to rotate inside the connecting sleeve 51, and since the connecting ring 54 driving the supporting rod 53 to rotate, the supporting rod 53 driving the other connecting ring 54 to rotate inside the connecting sleeve 51, the connecting ring 54 driving the first roller 21 and the second roller 23 to rotate; when the first roller 21 and the second roller 23 rotate, the temperature inside the supporting table 1 and the temperature inside the fixed box 22 are reduced, aluminum alloy to be processed is placed between the first roller 21 and the second roller 23, the rotating directions of the first roller 21 and the second roller 23 are opposite, so that the first roller 21 and the second roller 23 push the aluminum alloy to move, the first roller 21 rotates to drive the air inside the supporting table 1 to move upwards, the second roller 23 drives the air inside the fixed box 22 to move downwards, the air is in contact with two surfaces of the aluminum alloy, the surface temperature of the aluminum alloy is firstly reduced and then is in contact with the first roller 21 and the second roller 23, the first roller 21 and the second roller 23 rotate to extrude the aluminum alloy, the aluminum alloy is thinned when the first roller 21 and the second roller 23 absorb the surface temperature of the aluminum alloy, the aluminum alloy is in a low-temperature state in the extrusion process, and the strength of the aluminum alloy is maintained. In the using process, the first rubber pad 44 seals one end of the first roller 21 and one end of the second roller 23 to prevent water from leaking out of the first roller 21 and the second roller 23, the second rubber pad 52 seals the connecting sleeve 51 to prevent the connecting sleeve 51 from funneling, and the second rubber pad 73 seals the fixing sleeve 71 to prevent the fixing sleeve 71 from going upstairs, so that the water can conveniently flow in the first roller 21 and the second roller 23. After the use, the water source and the power source are cut off, the spring 84 extends to drive the limiting rod 86 to move, so that the piston 86 enters the hose 41, and the fixing piece 82 and the saw teeth 81 are driven to be separated, thereby facilitating the rotation of the screw 33.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (3)

1. The cold continuous rolling production method of the aluminum alloy material is characterized by comprising the following steps of: the production method comprises the following steps:
s1: starting a switch of a smelting furnace to heat the temperature in the smelting furnace to 1800 ℃, simultaneously putting the aluminum alloy into the smelting furnace for smelting, reducing the temperature of the smelting furnace due to the opening of a furnace door in the process of putting the aluminum alloy into the smelting furnace, still maintaining the temperature in the smelting furnace at 1500-1750 ℃, and removing slag and oxygen from the aluminum alloy;
s2: conveying the aluminum alloy smelted in the step S1 to a production device through a conveying device, blowing the conveyed aluminum alloy by using a blower in the conveying process to reduce the temperature of the aluminum alloy, and keeping the temperature of the aluminum alloy at normal temperature when the aluminum alloy reaches the production device in the conveying process;
s3: starting a switch of the production device, carrying out cold rolling on the aluminum alloy conveyed to the production device, and carrying out precision treatment on the cold-rolled aluminum alloy according to actual conditions during the cold rolling so as to ensure the production quality of the aluminum alloy;
the production device adopted in the step S2 includes a support table (1), an extrusion mechanism (2), a lifting mechanism (3), a cooling mechanism (4), a connecting mechanism (5), a driving mechanism (6), a fixing mechanism (7) and a limiting mechanism (8); the interior of the supporting platform (1) is rotationally connected with the extrusion mechanism (2), and the interior of the top end of the supporting platform (1) is symmetrically rotationally connected with the lifting mechanism (3); one end of the extrusion mechanism (2) is rotatably connected with the driving mechanism (6), and the connecting mechanism (5) is arranged at the connecting position of the driving mechanism (6) and the extrusion mechanism (2); the inside of the supporting table (1) is connected with the fixing mechanism (7) in a sliding manner, and the bottom end of the lifting mechanism (3) is connected with the fixing mechanism (7) or the driving mechanism (6) in a rotating manner; the temperature reduction mechanism (4) is arranged in the extrusion mechanism (2), the top end of the temperature reduction mechanism (4) is communicated with the fixing mechanism (7), the inside of the fixing mechanism (7) is connected with the limiting mechanism (8) in a sliding manner, and the limiting mechanism (8) is clamped with the lifting mechanism (3);
the extrusion mechanism (2) comprises a first roller (21), a fixed box (22) and a second roller (23), the first roller (21) and the second roller (23) are rotatably connected in the supporting table (1), the fixed box (22) is installed at the top end of the second roller (23), the fixed box (22) and the second roller (23) are slidably connected with the supporting table (1), and the rotating directions of the first roller (21) and the second roller (23) are opposite;
the driving mechanism (6) comprises a rotating shaft (61) and motors (62), the two motors (62) are installed inside the supporting table (1), the rotating shaft (61) is installed at one end of each motor (62), and one end of each rotating shaft (61) is fixedly connected with the first roller (21) or the second roller (23);
the cooling mechanism (4) comprises a hose (41), a connecting pipe (42), a supporting ring (43) and a first rubber pad (44), the supporting ring (43) is rotatably connected with the other ends of the first roller (21) and the second roller (23) which are internally in a circular truncated cone shape, the first rubber pad (44) is installed inside the first roller (21) and the second roller (23), and the supporting ring (43) is connected with the first rubber pad (44) in a sliding manner; one end of the support ring (43) is fixedly connected with the connecting pipe (42), and the hose (41) is installed on the side wall of the connecting pipe (42) on the side wall of the first roller (21);
the lifting mechanism (3) comprises a rotating rod (31), a turbine (32) and a screw (33), the rotating rod (31) and the turbine (32) are rotatably connected with the inside of the top end of the support table (1), and the rotating rod (31) is meshed with the turbine (32); the turbine (32) is in threaded connection with the screw (33), and the bottom end of the screw (33) is rotatably connected with the motor (62) or the fixing mechanism (7) at one end of the second roller (23);
the limiting mechanism (8) comprises sawteeth (81), a fixing piece (82), a fixing block (83), a spring (84), a limiting rod (85) and a piston (86), the fixing block (83) is installed inside the top end of the hose (41), and the limiting rod (85) with a T-shaped side wall is connected inside the fixing block (83) in a sliding mode; one end of the limiting rod (85) is sleeved with the spring (84), and one end of the spring (84) abuts against the fixing block (83); the other end of the limiting rod (85) is fixedly connected with the piston (86), and the piston (86) is connected with the inside of the hose (41) in a sliding manner; the sawtooth (81) is installed at the bottom end of the screw (33), the fixing piece (82) is vertically installed at one end of the piston (86), and the sawtooth (81) is clamped by the fixing piece (82).
2. The aluminum alloy material cold continuous rolling production method according to claim 1, characterized in that: the connecting mechanism (5) comprises a connecting sleeve (51), a second rubber pad (52), a supporting rod (53) and a connecting ring (54), the connecting ring (54) is respectively installed at one end of the rotating shaft (61), one end of the first roller (21) and one end of the second roller (23), two ends of the inside of the connecting sleeve (51) are respectively connected with the connecting sleeve (51) in a rotating mode, the supporting rod (53) is connected with the inside of the connecting sleeve (51) in a sliding mode, and two ends of the supporting rod (53) are respectively fixedly connected with the connecting ring (54); the second rubber pads (52) are symmetrically arranged in the connecting sleeve (51), and the side walls of the second rubber pads (52) are rotatably connected with the connecting ring (54).
3. The aluminum alloy material cold continuous rolling production method according to claim 2, characterized in that: the fixing mechanism (7) comprises a fixing sleeve (71), a fixing ring (72) and a third rubber pad (73), two ends of the fixing sleeve (71) are respectively connected with the top end of the hose (41) and the connecting pipe (42) on the side wall of the second roller (23), and the inside of the fixing sleeve (71) is rotatably connected with the screw (33); the bottom end of the screw rod (33) is provided with the fixing ring (72), and the fixing ring (72) is rotatably connected inside the fixing sleeve (71); the third rubber pad (73) is arranged inside the bottom end of the fixed sleeve (71), and the top end of the third rubber pad (73) is rotatably connected with the fixed ring (72).
CN201910562942.1A 2019-06-26 2019-06-26 Cold continuous rolling production method for aluminum alloy material Active CN110238197B (en)

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