CN217070164U - Six-roller continuous warm rolling equipment for magnesium alloy thin strip - Google Patents
Six-roller continuous warm rolling equipment for magnesium alloy thin strip Download PDFInfo
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- CN217070164U CN217070164U CN202123403225.6U CN202123403225U CN217070164U CN 217070164 U CN217070164 U CN 217070164U CN 202123403225 U CN202123403225 U CN 202123403225U CN 217070164 U CN217070164 U CN 217070164U
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Abstract
The utility model belongs to the technical field of magnesium alloy, in particular to a six-roller continuous warm rolling device for magnesium alloy thin strips, the rolling mill frame is arranged on the frame main body, preheating plate frames are symmetrically arranged on the left side and the right side of the rolling mill frame, the preheating plate rack is provided with preheating plates for heating the magnesium alloy plate and strip, the left side and the right side of the rolling mill rack are symmetrically provided with rolling mill racks, a first motor is arranged on the plate rolling machine frame, the first motor is output through a first speed reducer to realize the functions of speed reduction and distance increase, an output shaft of the first speed reducer is connected with a first shaft to achieve the function of driving a plate rolling roller, a supporting roll is arranged on the plate rolling machine frame through a second shaft and is used for supporting the magnesium alloy thin strip during rolling operation, the frame main part is provided with a speed reducer II, and the speed reducer II drives the working roll I to move. The utility model has the advantages of high production efficiency, high rolling precision and good product quality.
Description
Technical Field
The utility model belongs to the technical field of magnesium alloy, concretely relates to six roller continuous warm rolling equipment in magnesium alloy thin strip.
Background
The magnesium alloy has good specific strength and other properties, and is widely used in aviation, aerospace, automobile, chemical industry, rocket and other industrial departments.
Magnesium alloy sheet has very wide application prospect in the fields of electron, communication, traffic, aerospace and the like, but the application of the magnesium alloy sheet is still greatly limited at present, and the output and the dosage of the magnesium alloy sheet are far inferior to those of nonferrous metals such as steel, aluminum, copper and the like. The main factors restricting the magnesium alloy plate are two: one is that most magnesium alloys have poor room temperature plastic deformation capability and have severe anisotropy in rolled plates; secondly, the preparation process of the magnesium alloy plate is not mature enough, and the mechanical property needs to be further improved.
The magnesium alloy processing methods commonly used at present are extrusion forming method and rolling forming method. Although the production process of the domestic and foreign extruded magnesium boards is relatively mature and low in cost, the width of the magnesium board produced by the extrusion molding method is less than 600mm and the thickness of the magnesium board is more than 2mm due to the limitation of extrusion production equipment and the like, the application of the magnesium board is severely limited, and the production requirement of magnesium alloy thin strips cannot be met; the magnesium plate produced by the rolling forming method breaks through the limit of the width and the thickness of the plate,
in order to improve the plastic deformation capability of the magnesium alloy in the production process of the rolled magnesium plate, the rolling temperature in the production process needs to be controlled. Because the magnesium alloy has a narrow hot working temperature range, small volume heat capacity, large heat transfer coefficient and high temperature rise and temperature reduction speed (the phenomenon is more obvious in magnesium alloy thin strips), the magnesium alloy thin strips have the defects of easy occurrence of cracks and the like in the rolling process, and the yield is reduced, so that the control of the temperature of the plate in the rolling process of the magnesium alloy thin strips is also a problem to be solved urgently in the technical field of engineering. And because the magnesium alloy belongs to the metal difficult to deform, the sheet needs to be rolled by a plurality of times of small deformation, and the precision of controlling the single-time deformation is very important. To the problem, the utility model provides a six rollers of continuous warm rolling equipment in order to overcome above-mentioned problem in magnesium alloy thin area.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a six roller continuous warm rolling equipment in magnesium alloy thin area. By accurately controlling the temperature range of the magnesium alloy plate in the rolling process and matching with a six-roller structure arrangement form with high rigidity, the problems of unstable temperature and insufficient rolling precision of a rolling area in the production process of the traditional magnesium alloy thin strip are solved, and the requirements of producing the magnesium alloy thin plate with the thickness of 0.01-0.5 mm and the width of 100-150 mm are met.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the six-roller continuous warm rolling equipment for the magnesium alloy thin strip comprises a rolling mill frame (1), wherein the rolling mill frame (1) is installed on a frame main body (15), preheating plate frames (9) are symmetrically installed on the left side and the right side of the rolling mill frame (1), a first preheating plate (10) and a second preheating plate (11) are installed on the preheating plate frames and used for heating the magnesium alloy strip, plate rolling frame frames (13) are symmetrically installed on the left side and the right side of the rolling mill frame (1), a first motor (24) is installed on the plate rolling frame frames (13), the first motor (24) is output through a first speed reducer (25) to achieve the effects of reducing speed and increasing distance, an output shaft of the first speed reducer (25) is connected with a first shaft (26) to achieve the effect of driving a plate rolling roller (14), a brake (27) is arranged in the middle of the first shaft (26), the brake device is used for realizing the braking effect of a rolling plate roller (14), a plate strip supporting roller (12) is installed on a rolling plate rack (13) through a second shaft (28) and used for supporting a magnesium alloy thin strip during rolling operation, a second speed reducer (171) is arranged on a rack main body (15), the second speed reducer (171) reduces the speed and increases the distance of torque output by a second motor (181) and outputs the torque to a third shaft (191), the third shaft (191) transmits power to a fourth shaft (21) through a gear box (20) to realize the effect of changing the position of an output shaft, the fourth shaft (21) is connected with a fifth shaft (23) through a universal coupling (22), and the fifth shaft (23) drives a first working roller (6) to move.
Further, a second working roll (17) is fixedly arranged in the rolling mill frame (1), a third supporting roll (18) and a fourth supporting roll (19) are symmetrically and fixedly arranged below the second working roll (17) and used for supporting the second working roll and preventing the second working roll from generating deflection to influence rolling precision, a rolling mill frame (8) floats in the rolling mill frame (1), the first working roll (6) is installed in the floating rolling mill frame (8), a first supporting roll (5) and a second supporting roll (7) are arranged above the first working roll (6), the first supporting roll (5) and the second supporting roll (7) are fixedly installed in the floating rolling mill frame (8), the floating rolling mill frame (8) is connected with a screw motor (3) through a screw rod (4), the floating rolling mill frame (8) can move up and down, and the effect of adjusting the roll gap distance is achieved, the lead screw motor (3) is installed on the frame cover plate (2), and the frame cover plate is installed on the rolling mill frame (1).
Still further, the first preheating plate (10) is connected with the preheating plate frame (9) through a telescopic shaft (16), and the position of the preheating plate can be adjusted by adjusting the length of the telescopic shaft (16).
Furthermore, an electro-hydraulic cylinder fixing plate (32) is installed on the rack main body (15), an electro-hydraulic cylinder (31) is fixed on the electro-hydraulic cylinder fixing plate (32), the electro-hydraulic cylinder (31) pushes the plate rolling rack (13) to move in the second sliding groove (30), the rack main body (15) is provided with the first sliding groove (29), and the plate rolling rack (13) can move along the first sliding groove (29).
Furthermore, a plurality of oil cavities (33) are arranged in the first working roll (6), the first supporting roll (5), the second supporting roll (7), the second working roll (17), the third supporting roll (18) and the fourth supporting roll (19) and used for achieving the purpose that the surface temperature of the rolls is increased through high-temperature oil, and the requirement of warm rolling is met.
Compared with the prior art, the utility model has the advantages of it is following:
the plurality of preheating plates which are symmetrically arranged can realize the temperature stability of a rolling area and eliminate the defects of magnesium alloy thin strips caused by the temperature instability of the rolling area; the rolling device has the function of reciprocating continuous rolling, and improves the production efficiency of products; the triangular high-rigidity six-roller arrangement mode greatly improves the rolling precision, can realize the production of thin strips of 0.01-0.5 mm, and can be widely applied to the fields of electronics, communication, traffic, aerospace and the like; meanwhile, the telescopic heating device of the equipment can be freely extended and retracted, so that the equipment space is saved, and the safety of workers during working is improved.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is a cross-sectional view of the cross-section A-A of FIG. 1 according to the present invention;
FIG. 4 is a cross-sectional view of section B-B of FIG. 1 in accordance with the present invention;
FIG. 5 is a cross-sectional view of the work roll and the backup roll;
in the figure, 1-rolling mill frame, 2-frame cover plate, 3-screw motor, 4-screw, 5-first support roller, 6-first working roller, 7-second support roller, 8-floating roller frame, 9-preheating plate frame, 10-first preheating plate, 11-second preheating plate, 12-plate belt support roller, 13-plate rolling frame, 14-plate rolling roller, 15-frame main body, 16-telescopic shaft, 17-second working roller, 18-third support roller, 19-fourth support roller, 20-gear box, 21-fourth shaft, 22-universal coupling, 23-fifth shaft, 24-first motor, 25-first speed reducer, 26-first shaft, 27-brake, 28-second shaft, 22-universal shaft, 24-first motor, 25-first speed reducer, 26-second shaft, 27-brake, 28-second shaft, 29-first sliding groove, 30-second sliding groove, 31-electro-hydraulic cylinder, 32-electro-hydraulic cylinder fixing plate, 171-second speed reducer, 181-second motor and 191-third shaft.
Detailed Description
In order to further illustrate the technical solution of the present invention, the present invention is further illustrated by the following examples.
As shown in fig. 1 to 5, the six-roller continuous warm rolling equipment for magnesium alloy thin strips comprises a rolling mill frame (1), wherein the rolling mill frame (1) is installed on a frame main body (15), preheating plate frames (9) are symmetrically installed on the left side and the right side of the rolling mill frame (1), a first preheating plate (10) and a second preheating plate (11) are installed on the preheating plate frames and used for heating the magnesium alloy strips, plate rolling frames (13) are symmetrically installed on the left side and the right side of the rolling mill frame (1), a first motor (24) is installed on the plate rolling frame (13), the first motor (24) outputs through a first speed reducer (25) to realize the functions of reducing speed and increasing distance, an output shaft of the first speed reducer (25) is connected with a first shaft (26) to achieve the function of driving a plate rolling roller (14), a brake (27) is arranged in the middle of the first shaft (26), the brake device is used for realizing the braking effect of a rolling plate roller (14), a plate strip supporting roller (12) is installed on a rolling plate rack (13) through a second shaft (28) and used for supporting a magnesium alloy thin strip during rolling operation, a second speed reducer (171) is arranged on a rack main body (15), the second speed reducer (171) reduces the speed and increases the distance of torque output by a second motor (181) and outputs the torque to a third shaft (191), the third shaft (191) transmits power to a fourth shaft (21) through a gear box (20) to realize the effect of changing the position of an output shaft, the fourth shaft (21) is connected with a fifth shaft (23) through a universal coupling (22), and the fifth shaft (23) drives a first working roller (6) to move.
The rolling mill is characterized in that a second working roll (17) is fixedly arranged in the rolling mill frame (1), a third supporting roll (18) and a fourth supporting roll (19) are symmetrically and fixedly arranged below the second working roll (17) and used for supporting the second working roll and preventing the second working roll from generating deflection to influence rolling precision, a floating rolling mill frame (8) is arranged in the rolling mill frame (1), a first working roll (6) is installed in the floating rolling mill frame (8), a first supporting roll (5) and a second supporting roll (7) are arranged above the first working roll (6), the first supporting roll (5) and the second supporting roll (7) are fixedly installed in the floating rolling mill frame (8), the floating rolling mill frame (8) is connected with a lead screw motor (3) through a lead screw (4), the floating rolling mill frame (8) can move up and down to achieve the effect of adjusting the roll gap distance, and the lead screw motor (3) is installed on a frame cover plate (2), the frame cover plate is arranged on the rolling mill frame (1).
The first preheating plate (10) is connected with the preheating plate frame (9) through a telescopic shaft (16), and the position of the preheating plate can be adjusted by adjusting the length of the telescopic shaft (16).
An electro-hydraulic cylinder fixing plate (32) is installed on the rack main body (15), an electro-hydraulic cylinder (31) is fixed on the electro-hydraulic cylinder fixing plate (32), the electro-hydraulic cylinder (31) pushes the plate rolling rack (13) to move in the second sliding groove (30), and the rack main body (15) is provided with the first sliding groove (29)
The plate rolling machine frame (13) can move along the first sliding groove (29).
A plurality of oil cavities (33) are formed in the first working roll (6), the first supporting roll (5), the second supporting roll (7), the second working roll (17), the third supporting roll (18) and the fourth supporting roll (19) and used for achieving the purpose that the surface temperature of the rolls is increased through high-temperature oil liquid and achieving the warm rolling requirement.
The principal features and advantages of the present invention have been shown and described, it will be apparent to those skilled in the art that the present invention is not limited to the details of the foregoing exemplary embodiments, which can be easily obtained by those skilled in the art according to the technical content of the present application, and will not be described herein again.
The foregoing is a more detailed description of the invention, taken in conjunction with the specific preferred embodiments, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the field of the ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (5)
1. Six-roller continuous warm rolling equipment for magnesium alloy thin strips is characterized in that: install on frame main part (15) rolling mill frame (1) preheat grillage (9) is installed to the left and right sides symmetry of rolling mill frame (1) preheat shelf location has first preheating plate (10) and second preheating plate (11) for realize the heating of magnesium alloy slab band rolling mill frame (1) the left and right sides symmetry of rolling mill frame (1) installs roll bending frame (13), install a motor (24) on roll bending frame (13), a motor (24) exports through speed reducer (25), speed reducer (25) output shaft is connected with axle (26) No. one, reaches the effect of drive roll bending cylinder (14) be provided with stopper (27) in the middle of axle (26) No. one for realize the braking action of roll bending cylinder (14) the roll bending frame (13) are gone up and are installed slab band backing roll (12) through axle (28), the magnesium alloy thin strip support device is used for supporting a magnesium alloy thin strip during rolling operation, a second speed reducer (171) is arranged on the rack main body (15), the second speed reducer (171) reduces the speed and increases the distance of torque output by a second motor (181) and outputs the torque to a third shaft (191), the third shaft (191) transmits power to a fourth shaft (21) through a gear box (20) to achieve the effect of changing the position of the output shaft, the fourth shaft (21) is connected with a fifth shaft (23) through a universal coupling (22), and the fifth shaft (23) drives a first working roll (6) to move.
2. The magnesium alloy thin strip six-roll continuous warm rolling equipment according to claim 1, characterized in that: the rolling mill is characterized in that a second working roll (17) is fixedly arranged in the rolling mill frame (1), a third supporting roll (18) and a fourth supporting roll (19) are symmetrically and fixedly arranged below the second working roll (17) and used for supporting the second working roll and preventing the second working roll from generating deflection to influence rolling precision, a floating rolling mill frame (8) in the rolling mill frame (1), a first working roll (6) is installed in the floating rolling mill frame (8), a first supporting roll (5) and a second supporting roll (7) are arranged above the first working roll (6), the first supporting roll (5) and the second supporting roll (7) are fixedly installed in the floating rolling mill frame (8), the floating rolling mill frame (8) is connected with a lead screw motor (3) through a lead screw (4) and can realize that the floating rolling mill frame (8) moves up and down, and the lead screw motor (3) is installed on a frame cover plate (2), the frame cover plate is arranged on the rolling mill frame (1).
3. The magnesium alloy thin strip six-roll continuous warm rolling equipment according to claim 1, characterized in that: the first preheating plate (10) is connected with the preheating plate frame (9) through a telescopic shaft (16), and the position of the preheating plate can be adjusted by adjusting the length of the telescopic shaft (16).
4. The magnesium alloy thin strip six-roll continuous warm rolling equipment according to claim 1, characterized in that: install electro-hydraulic cylinder fixed plate (32) on frame main part (15) be fixed with electro-hydraulic cylinder (31) on electro-hydraulic cylinder fixed plate (32), electro-hydraulic cylinder (31) promote roll board frame (13) and move in No. two spout (30), be provided with spout (29) No. one on frame main part (15), roll board frame (13) can be followed spout (29) and removed.
5. The magnesium alloy thin strip six-roll continuous warm rolling equipment according to claim 1, characterized in that: a plurality of oil cavities (33) are formed in the first working roll (6), the first supporting roll (5), the second supporting roll (7), the second working roll (17), the third supporting roll (18) and the fourth supporting roll (19) and used for achieving the purpose that the surface temperature of the rolls is increased through high-temperature oil liquid and achieving the warm rolling requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123403225.6U CN217070164U (en) | 2021-12-30 | 2021-12-30 | Six-roller continuous warm rolling equipment for magnesium alloy thin strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123403225.6U CN217070164U (en) | 2021-12-30 | 2021-12-30 | Six-roller continuous warm rolling equipment for magnesium alloy thin strip |
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| Publication Number | Publication Date |
|---|---|
| CN217070164U true CN217070164U (en) | 2022-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123403225.6U Active CN217070164U (en) | 2021-12-30 | 2021-12-30 | Six-roller continuous warm rolling equipment for magnesium alloy thin strip |
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| Country | Link |
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| CN (1) | CN217070164U (en) |
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2021
- 2021-12-30 CN CN202123403225.6U patent/CN217070164U/en active Active
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