CN106984781A - A kind of new roll-casting of magnesium alloy machine - Google Patents
A kind of new roll-casting of magnesium alloy machine Download PDFInfo
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- CN106984781A CN106984781A CN201710303137.8A CN201710303137A CN106984781A CN 106984781 A CN106984781 A CN 106984781A CN 201710303137 A CN201710303137 A CN 201710303137A CN 106984781 A CN106984781 A CN 106984781A
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- 238000005266 casting Methods 0.000 title claims abstract description 57
- 229910000861 Mg alloy Inorganic materials 0.000 title claims abstract description 48
- 238000005096 rolling process Methods 0.000 claims abstract description 107
- 238000002844 melting Methods 0.000 claims abstract description 27
- 230000008018 melting Effects 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 239000003921 oil Substances 0.000 description 15
- 238000003723 Smelting Methods 0.000 description 7
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 5
- 229910052749 magnesium Inorganic materials 0.000 description 5
- 239000011777 magnesium Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000002950 deficient Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 239000010727 cylinder oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0637—Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/16—Controlling or regulating processes or operations
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
本发明提供了一种新型的镁合金铸轧机，其结构主要由镁合金铸轧机主体与镁合金铸轧机的供液部分构成；其中底座与铸轧机本体铰接，带有弧形轨道的连接件固定在铸轧机本体上；调整液压缸设置于铸轧机本体与底座之间，弹簧缸固定在底座上；底板竖直方向上固定有电动推杆，电动推杆顶部有水平台，水平台上安装有操作平台本体与丝杠，丝杠由电机来驱动，水平台和底架上有竖直布置的导向柱；熔炼炉操作台水平布置在地基上，熔炼炉固定在平台本体上。本发明有效提高了自锁功能的可靠性；在铸轧过程中实现了倾斜角度的调整，提高了镁合金板材的成材率；特殊管道接头的设计使得轧机倾斜角度调整后，不需要重新更换前箱与熔炼炉间的连接管路。
The invention provides a new type of magnesium alloy casting and rolling machine, the structure of which is mainly composed of the main body of the magnesium alloy casting and rolling machine and the liquid supply part of the magnesium alloy casting and rolling machine; wherein the base is hinged with the main body of the casting and rolling machine, and is fixed by a connecting piece with an arc track On the casting-rolling machine body; the adjustment hydraulic cylinder is set between the casting-rolling machine body and the base, and the spring cylinder is fixed on the base; the bottom plate is fixed with an electric push rod in the vertical direction, and there is a water platform on the top of the electric push rod, and a water platform is installed on the water platform. The main body of the operating platform and the lead screw are driven by a motor. There are vertically arranged guide columns on the water platform and the bottom frame; the operating table of the melting furnace is arranged horizontally on the foundation, and the melting furnace is fixed on the platform body. The invention effectively improves the reliability of the self-locking function; realizes the adjustment of the inclination angle during the casting and rolling process, and improves the yield of the magnesium alloy plate; the design of the special pipe joint makes it unnecessary to replace the former The connecting pipeline between the box and the melting furnace.
Description
技术领域technical field
本发明属于镁合金板带连续铸轧技术领域，具体涉及一种新型的镁合金铸轧机。The invention belongs to the technical field of continuous casting and rolling of magnesium alloy strips, and in particular relates to a novel magnesium alloy casting and rolling machine.
背景技术Background technique
目前，我国是世界上镁生产和出口最大的国家，但生产方式主要以高污染、高排放的原镁冶炼为主，属于以牺牲资源和环境为代价的原料出口型工业。At present, my country is the country with the largest magnesium production and export in the world, but the production method is mainly based on high-pollution and high-emission primary magnesium smelting, which belongs to the raw material export-oriented industry at the expense of resources and the environment.
传统倾斜式镁合金铸轧机大多由液压系统驱动轧机机架转动，并且利用自锁式液压缸把轧机机架固定在工作位置。液压缸的内泄和密封磨损导致的液压油泄露等问题，都会引起轧机轧辊逐渐脱离最佳倾斜角度位置，会严重影响铸轧板材的质量，同时引起轧机与传动的配合以及轧机与前箱，前箱与熔炼炉之间配合关系的变化，还会带来生产安全隐患。Most traditional inclined magnesium alloy casting and rolling mills are driven by a hydraulic system to rotate the rolling mill frame, and the rolling mill frame is fixed at the working position by a self-locking hydraulic cylinder. Internal leakage of the hydraulic cylinder and hydraulic oil leakage caused by seal wear will cause the rolls of the rolling mill to gradually deviate from the optimal inclination angle position, which will seriously affect the quality of the cast and rolled plates, and at the same time cause the cooperation between the rolling mill and the transmission, as well as the rolling mill and the front box. Changes in the coordination relationship between the front box and the melting furnace will also bring hidden dangers to production safety.
传统倾斜式镁合金铸轧机在铸轧的过程中，镁液具有很高的温度，所以输送镁液的管路必须是耐高温的金属材料，这也就意味着这些管路接口为单一平面法兰结构，该结构带来的问题有：一般管道的接口处,两平面都是相切的，而镁合金铸轧机的工作位置倾斜角度调整时，熔炼炉的管道接口与前箱处的管道接口不能对接，只有重新更换管路，不能根据铸轧板材质量实现铸轧机角度的在线实时调整。During the casting and rolling process of the traditional inclined magnesium alloy casting and rolling machine, the molten magnesium has a very high temperature, so the pipelines for conveying the molten magnesium must be high-temperature-resistant metal materials, which means that these pipeline connections are single-plane method Blue structure, the problems brought about by this structure are: at the interface of the general pipeline, the two planes are tangent, and when the inclination angle of the working position of the magnesium alloy casting and rolling machine is adjusted, the pipeline interface of the melting furnace and the pipeline interface at the front box Butt connection is not possible, only the pipeline must be replaced again, and the online real-time adjustment of the angle of the casting and rolling machine cannot be realized according to the quality of the casting and rolling plate.
此外，用于调节熔炼炉的操作平台必须能够满足水平、竖直方向的调节，并且能使熔炼炉长期固定在工作位置。事实上，为了实现平台竖直方向的移动，通常利用液压缸，液压缸的内泄和密封磨损导致的液压油泄露等问题，都会使得熔炼炉不能长期维持在所预定的高度，带来一定的安全生产隐患。In addition, the operating platform used to adjust the melting furnace must be able to meet the horizontal and vertical adjustments, and the melting furnace can be fixed in the working position for a long time. In fact, in order to realize the vertical movement of the platform, hydraulic cylinders are usually used. Problems such as internal leakage of hydraulic cylinders and hydraulic oil leakage caused by seal wear will make the melting furnace unable to maintain the predetermined height for a long time, which will bring certain problems. Hidden dangers in production safety.
按照现有的技术，在生产镁合金板材前，包括轧机主体，前箱，熔炼炉以及其余相关的铸轧辅助设备的位置都已调节完毕，并且通过相关方式固定在设定位置。鉴于铸轧机倾斜的角度在铸轧过程中对克服金属偏析和减少金属氧化膜的表面张力方面有独到之处，所以当铸轧过程中发现镁合金的品质有明显缺陷时，只能让铸轧机停止工作，重新调节铸轧机倾斜的角度以及其余铸轧设备的位置，并且得重新更换前箱与熔炼炉之间的管路，不仅浪费了材料，还严重耽误了工作效率，降低了铸轧镁合金板材的成材率。According to the existing technology, before the magnesium alloy sheet is produced, the positions of the main body of the rolling mill, the front box, the melting furnace and other related casting and rolling auxiliary equipment have been adjusted and fixed in the set position by related means. In view of the fact that the angle of inclination of the casting-rolling machine is unique in overcoming metal segregation and reducing the surface tension of the metal oxide film during the casting-rolling process, when the quality of the magnesium alloy is found to have obvious defects during the casting-rolling process, the casting-rolling machine can only be used Stop working, readjust the inclination angle of the casting and rolling machine and the position of other casting and rolling equipment, and have to replace the pipeline between the front box and the melting furnace, which not only wastes materials, but also seriously delays work efficiency and reduces the casting and rolling magnesium Yield of alloy sheet.
发明内容Contents of the invention
针对上述情况，本发明的目的在于提供一种镁合金铸轧机，以提高镁合金铸轧机自锁功能的可靠性，实现了在不更换前箱与熔炼炉间连接管路的前提下，对铸轧机倾斜角度的有效调节，有效节约成本。In view of the above situation, the object of the present invention is to provide a magnesium alloy casting and rolling machine, to improve the reliability of the self-locking function of the magnesium alloy casting and rolling machine, and realize the casting without replacing the connecting pipeline between the front box and the melting furnace. The effective adjustment of the inclination angle of the rolling mill can effectively save costs.
为实现上述目的，本发明所采用的技术方案为：提供一种新型的镁合金铸轧机，其结构主要由镁合金铸轧机主体与镁合金铸轧机的供液部分构成；其中，镁合金铸轧机主体部分由底座、弹簧缸、调整液压缸、铸轧机本体构成；镁合金铸轧机的供液部分由前箱、熔炼炉、带有凹、凸管道接头的管道、带有凹槽的平板以及熔炼炉操作台构成；整体连接方式为：底座水平布置在地基上，底座与铸轧机本体铰接，带有弧形轨道的连接件固定在铸轧机本体上；调整液压缸设置于铸轧机本体与底座之间，其中一端与铸轧机本体铰接，另一端与底座铰接，这样当液压泵驱动调整液压缸时，固定在铸轧机本体上的前箱可以随着铸轧机的倾斜而倾斜；弹簧缸固定在底座上；底板竖直方向上固定有电动推杆，电动推杆顶部有水平台，水平台上安装有平台本体以及用于使得平台本体水平调整的丝杠，丝杠由电机来驱动，水平台和底架上有竖直布置的导向柱；熔炼炉操作台水平布置在地基上，熔炼炉固定在平台本体上。In order to achieve the above object, the technical solution adopted in the present invention is: provide a novel magnesium alloy casting and rolling mill, its structure is mainly composed of the main body of the magnesium alloy casting and rolling mill and the liquid supply part of the magnesium alloy casting and rolling mill; wherein, the magnesium alloy casting and rolling mill The main part is composed of base, spring cylinder, adjusting hydraulic cylinder, casting and rolling machine body; the liquid supply part of magnesium alloy casting and rolling machine is composed of front box, melting furnace, pipes with concave and convex pipe joints, flat plate with grooves and melting Furnace operating table; the overall connection method is: the base is horizontally arranged on the foundation, the base is hinged with the casting-rolling machine body, and the connecting piece with an arc track is fixed on the casting-rolling machine body; the adjustment hydraulic cylinder is set between the casting-rolling machine body and the base Between them, one end is hinged with the body of the casting-rolling machine, and the other end is hinged with the base, so that when the hydraulic pump drives and adjusts the hydraulic cylinder, the front box fixed on the body of the casting-rolling machine can tilt with the inclination of the casting-rolling machine; the spring cylinder is fixed on the base Above; the electric push rod is fixed vertically on the bottom plate, and there is a water platform on the top of the electric push rod. The platform body and the lead screw for horizontal adjustment of the platform body are installed on the water platform. The lead screw is driven by the motor, and the water platform and There are vertically arranged guide columns on the bottom frame; the melting furnace operating table is arranged horizontally on the foundation, and the melting furnace is fixed on the platform body.
所述弹簧缸中的弹簧为碟形弹簧，弹簧缸的执行元件由活塞杆与贴合件组成，其中活塞杆一端带有外螺纹，贴合件带有内螺纹；所述带有内螺纹的贴合件的形状设计应参考带有弧形轨道的连接件，以期通过增大接触面积从而增强弹簧缸锁紧力的作用。The spring in the spring cylinder is a disc spring, and the actuator of the spring cylinder is composed of a piston rod and a fitting part, wherein one end of the piston rod has an external thread, and the fitting part has an internal thread; The shape design of the fitting parts should refer to the connecting parts with arc-shaped tracks, in order to enhance the locking force of the spring cylinder by increasing the contact area.
所述的凹管道接头和凸管道接头，两接头表面一面是凹进去的，另一面是凸出来的；相互配合的两接头表面是拥有相同曲率的球面；两接头球面凹凸出来的部分高度不同；连接处前箱连接管道，由凹形管道接头与凸形管道头经法兰由螺栓进行固定连接；带有凸形管道接头的另一端也为凸形管道接头，其与带有凹槽的平板进行连接，而带有凹槽的平板则设置于熔炼炉顶部。For the concave pipe joint and the convex pipe joint, one side of the two joints is concave, and the other side is convex; the surfaces of the two joints that cooperate with each other are spherical surfaces with the same curvature; the heights of the concave and convex parts of the two joints are different; The connecting pipe of the front box at the joint is fixedly connected by the concave pipe joint and the convex pipe head through the flange by bolts; the other end with the convex pipe joint is also a convex pipe joint, which is connected with the flat plate with groove The connection is made, while the flat plate with grooves is set on the top of the melting furnace.
所述水平台的内壁开有平台本体水平移动的轨道。The inner wall of the horizontal platform is provided with a track for the horizontal movement of the platform body.
所述螺栓连接的载体是法兰，螺栓的作用是使得两个接头球形面紧密贴，同时可以使两个球形面在小范围内转动。The carrier of the bolted connection is a flange, and the function of the bolts is to make the two spherical surfaces of the joint closely contact and at the same time allow the two spherical surfaces to rotate within a small range.
由于凹管道接头以及凸管道接头替代了原始的接头，使得在轧制进行的过程中，当发现镁合金板材的质量有缺陷时，管道接头的结构配合轧机倾斜角度调整机构可使其在铸轧过程中实现倾斜角度调整。Since the concave pipe joint and the convex pipe joint replace the original joint, when the quality of the magnesium alloy plate is found to be defective during the rolling process, the structure of the pipe joint and the tilt angle adjustment mechanism of the rolling mill can make it in the casting and rolling process. The tilt angle adjustment is realized during the process.
所述弹簧缸的工作原理是：液压泵提供压力油克服碟形弹簧的弹力，使得带有外螺纹的活塞杆依次通过底座，带有弧形轨道的连接件，此时，把带有内螺纹的贴合件与带有外螺纹的活塞杆通过螺旋副连接起来，此时，液压泵开始泄油，利用碟形弹簧的恢复力使得带有内螺纹的贴合件与连接件以及底座紧密贴合，从而达到固定的目的。The working principle of the spring cylinder is: the hydraulic pump provides pressure oil to overcome the elastic force of the disc spring, so that the piston rod with external thread passes through the base successively, and the connecting piece with arc track. At this time, the piston rod with internal thread The fitting part and the piston rod with external thread are connected through a screw pair. At this time, the hydraulic pump starts to drain oil, and the fitting part with internal thread is closely attached to the connecting part and the base by using the restoring force of the disc spring. combined, so as to achieve a fixed purpose.
液压泵给弹簧缸供油，使带有内螺纹的贴合件与带有弧形轨道的连接件脱离，此时弹簧缸暂时失去锁紧功能；之后液压泵开始给调整液压缸供油，调整液压缸推动铸轧机本体使其绕着底座与轧机本体的铰接处转动，当铸轧机本体旋转到预定倾斜角度后，给弹簧缸供油的液压泵开始泄油，在蝶形弹簧的作用下带有内螺纹的贴合件与弧形轨道连接件紧密贴合，此时弹簧缸恢复锁紧功能，便可以通过弹簧缸达到长期固定铸轧机在预定倾斜角度的目的，铸轧机主体调节完毕。The hydraulic pump supplies oil to the spring cylinder, so that the fitting parts with internal threads are separated from the connecting parts with arc-shaped tracks. At this time, the spring cylinder temporarily loses its locking function; after that, the hydraulic pump starts to supply oil to the adjustment hydraulic cylinder, and the adjustment The hydraulic cylinder pushes the body of the casting-rolling mill to rotate around the joint between the base and the body of the rolling mill. When the body of the casting-rolling mill rotates to a predetermined inclination angle, the hydraulic pump supplying oil to the spring cylinder begins to drain oil, and the oil is driven by the butterfly spring. The fitting parts with internal threads are closely fitted to the arc-shaped rail connectors. At this time, the spring cylinder restores the locking function, and the spring cylinder can be used to achieve the purpose of long-term fixing the casting-rolling machine at a predetermined inclination angle, and the main body of the casting-rolling machine has been adjusted.
此时，开始调节熔炼炉的位置，开动电机使得电动推杆获得动力，使水平台沿着导向柱竖直方向移动，到达指定高度后，竖直方向调节完毕；此时，通过丝杠的转动来达到调节平台本体的目的。这时，需要人工安装螺栓使特殊管道接头和特殊管道接头达到某种固定的作用。At this time, start to adjust the position of the smelting furnace, start the motor to make the electric push rod gain power, and make the horizontal platform move vertically along the guide column. After reaching the specified height, the vertical adjustment is completed; at this time, through the rotation of the screw To achieve the purpose of adjusting the platform body. At this time, it is necessary to manually install the bolts to achieve a certain fixed effect on the special pipe joint and the special pipe joint.
本发明的有益效果是：利用弹簧缸，有效提高了自锁功能的可靠性；弹簧缸结构简单紧凑，重量轻，操作方便可靠，便于拆卸修理；特殊管道接头的结构配合轧机倾斜角度调整机构可使其在铸轧过程中实现倾斜角度调整，提高了镁合金板材的成材率；特殊管道接头的设计使得轧机倾斜角度调整后，不需要重新更换前箱与熔炼炉间的连接管路，节省了成本。The beneficial effects of the present invention are: the use of the spring cylinder effectively improves the reliability of the self-locking function; the spring cylinder has a simple and compact structure, light weight, convenient and reliable operation, and is easy to disassemble and repair; the structure of the special pipe joint cooperates with the tilt angle adjustment mechanism of the rolling mill It realizes the adjustment of the inclination angle during the casting and rolling process, which improves the yield of the magnesium alloy plate; the design of the special pipe joint makes it unnecessary to replace the connecting pipe between the front box and the melting furnace after the inclination angle of the rolling mill is adjusted, which saves cost.
附图说明Description of drawings
图1为本发明新型镁合金铸轧机预定倾斜角度整体轴侧图；Fig. 1 is the overall axonometric view of the predetermined inclination angle of the novel magnesium alloy casting and rolling mill of the present invention;
图2为本发明新型镁合金铸轧机管道接头局部放大图；Fig. 2 is a partial enlarged view of the pipeline joint of the novel magnesium alloy casting and rolling mill of the present invention;
图3为本发明新型镁合金铸轧机管道接头局部剖视图；Fig. 3 is a partial sectional view of the pipe joint of the novel magnesium alloy casting and rolling mill of the present invention;
图4为水平台俯视图；Figure 4 is a top view of the water platform;
图5为水平台左视图；Fig. 5 is a left view of the horizontal platform;
图6为弹簧油缸局部放大图；Fig. 6 is a partial enlarged view of the spring oil cylinder;
图7为本发明新型镁合金铸轧机弹簧缸及液压缸安装位置示意图；Fig. 7 is a schematic diagram of the installation positions of the spring cylinder and the hydraulic cylinder of the novel magnesium alloy casting and rolling mill of the present invention;
图8为本发明新型镁合金铸轧机修改倾斜角度主视图；Fig. 8 is the front view of the modified inclination angle of the novel magnesium alloy casting and rolling mill of the present invention;
图9为修改轧机倾斜角度后，管道接头局部剖视图；Figure 9 is a partial cross-sectional view of the pipe joint after modifying the inclination angle of the rolling mill;
图10为熔炼炉操作台的三维轴测结构示意图；Fig. 10 is a schematic diagram of a three-dimensional axonometric structure of a smelting furnace operating platform;
图中：1、底座；2、弹簧缸；3、调整液压缸；4、带有弧形轨道的连接件；5、铸轧机本体；6、前箱；7、凹管道接头；8、凸管道接头I；9、凸管道接头II；10、带有凹轨道接头的平板；11、熔炼炉；12、操作平台本体；13、水平台；14、丝杠；15、导向柱；16、底板；17、电动推杆；18、贴合件；19、活塞杆。In the figure: 1. Base; 2. Spring cylinder; 3. Adjustment hydraulic cylinder; 4. Connector with arc track; 5. Casting and rolling machine body; 6. Front box; 7. Concave pipe joint; 8. Convex pipe Joint I; 9. Convex pipe joint II; 10. Flat plate with concave track joint; 11. Melting furnace; 12. Operating platform body; 13. Water platform; 14. Lead screw; 15. Guide column; 17. Electric push rod; 18. Laminating parts; 19. Piston rod.
具体实施方式detailed description
下面结合具体实施例和附图对本发明进一步说明。The present invention will be further described below in conjunction with specific embodiments and accompanying drawings.
如图1所示，本发明一种新型的镁合金铸轧机，其结构主要由镁合金铸轧机主体与镁合金铸轧机的供液部分构成；其中，镁合金铸轧机主体部分由底座1、弹簧缸2、调整液压缸3、铸轧机本体5构成；镁合金铸轧机的供液部分由前箱6、凹管道接头7、凸管道接头I8、凸管道接头II9、带有凹轨道接头的平板10、熔炼炉11及操作平台12构成；其中底座1水平布置在地基上，底座1与铸轧机本体5铰接，带有弧形轨道的连接件4固定在铸轧机本体5上；调整液压缸3设置于铸轧机本体5与底座1之间，其中一端与铸轧机本体5铰接，另一端与底座1铰接，这样当液压泵驱动调整液压缸3时，固定在铸轧机本体5上的前箱6可以随着铸轧机的倾斜而倾斜；弹簧缸2固定在底座1上；底板16竖直方向上固定有电动推杆17，电动推杆17顶部有水平台13，水平台13上安装有操作平台本体12以及用于使得操作平台本体12水平调整的丝杠14，丝杠14由电机来驱动，水平台13和底座1上有竖直布置的导向柱15；熔炼炉11操作台水平布置在地基上，熔炼炉11固定在操作平台本体12上；前箱6与熔炼炉11之间通过凹管道接头和凸管道接头进行连接，其结构如图2、3所示，两接头表面一面是凹进去的，另一面是凸出来的；相互配合的两接头表面是拥有相同曲率的球面；两接头球面凹凸出来的部分高度不同。As shown in Figure 1, a kind of novel magnesium alloy cast-rolling machine of the present invention, its structure mainly is made of the liquid supply part of magnesium alloy cast-rolling machine main body and magnesium alloy casting-rolling machine; Cylinder 2, adjustment hydraulic cylinder 3, casting and rolling mill body 5; the liquid supply part of the magnesium alloy casting and rolling mill is composed of front box 6, concave pipe joint 7, convex pipe joint I8, convex pipe joint II9, flat plate 10 with concave rail joint , a smelting furnace 11 and an operating platform 12; wherein the base 1 is horizontally arranged on the foundation, the base 1 is hinged with the casting-rolling machine body 5, and the connecting piece 4 with an arc track is fixed on the casting-rolling machine body 5; adjust the hydraulic cylinder 3 to set Between the cast-rolling machine body 5 and the base 1, one end is hinged to the cast-rolling machine body 5, and the other end is hinged to the base 1, so that when the hydraulic pump drives and adjusts the hydraulic cylinder 3, the front box 6 fixed on the cast-rolling machine body 5 can be The spring cylinder 2 is fixed on the base 1; the electric push rod 17 is fixed on the bottom plate 16 in the vertical direction, and the top of the electric push rod 17 has a water platform 13, and the operation platform body is installed on the water platform 13 12 and a lead screw 14 for horizontal adjustment of the operating platform body 12, the lead screw 14 is driven by a motor, and there are vertically arranged guide columns 15 on the horizontal platform 13 and the base 1; the smelting furnace 11 operating platform is arranged horizontally on the foundation , the melting furnace 11 is fixed on the operating platform body 12; the front box 6 and the melting furnace 11 are connected through a concave pipe joint and a convex pipe joint, and its structure is shown in Figures 2 and 3, and the surface of the two joints is recessed , the other side is convex; the surfaces of the two joints that cooperate with each other are spherical surfaces with the same curvature; the concave and convex parts of the two joints are of different heights.
如图4、5所示，水平台的内壁开有平台本体水平移动的轨道。如图6所示，弹簧缸2的执行元件由活塞杆19与贴合件18组成，其中活塞杆19一端带有外螺纹，贴合件18带有内螺纹；所述带有内螺纹的贴合件18的形状设计应参考带有弧形轨道的连接件4，以期通过增大接触面积从而增强弹簧缸2锁紧力的作用。As shown in Figures 4 and 5, the inner wall of the horizontal platform has a track for the horizontal movement of the platform body. As shown in Figure 6, the actuator of the spring cylinder 2 is composed of a piston rod 19 and a fitting part 18, wherein one end of the piston rod 19 has an external thread, and the fitting part 18 has an internal thread; The shape design of the fitting 18 should refer to the connecting piece 4 with an arc track, in order to enhance the locking force of the spring cylinder 2 by increasing the contact area.
如图2、6所示，螺栓连接的载体是法兰，螺栓的作用是使得凹形管道接头与凸形管道接头紧密贴合，但两个球形面可以在小范围内转动，这就使得螺母拧入螺栓杆的有效长度随着工作位置的不同而不同。As shown in Figures 2 and 6, the carrier of the bolted connection is a flange. The function of the bolt is to make the concave pipe joint and the convex pipe joint closely fit, but the two spherical surfaces can rotate within a small range, which makes the nut The effective length of the screwed-in bolt shank varies with the working position.
铸轧前铸轧机倾斜角度调整实施例1Example 1 of adjusting the inclination angle of the casting and rolling mill before casting and rolling
如图7-10所示，液压泵给弹簧缸2供油使弹簧缸2暂时失去锁紧功能，此后利用调整液压缸3调整镁合金铸轧机整体倾斜角度；液压泵给调整液压缸3供油，使铸轧机倾斜到预定倾斜角度。此时，给弹簧缸2供油的液压泵卸载，利用碟形弹簧产生的恢复力使得带有内螺纹的贴合件18、带有弧形轨道的连接件4、底座1紧密贴合，使弹簧缸2恢复锁紧功能，弹簧缸2即可起到固定镁合金铸轧机的目的。此时给调整液压缸3供油的液压泵也可以停止供油，铸轧机本体5调整完毕；另一方面，电机开始驱动电动推杆17竖直向上运动，到达指定高度后，通过电机带动丝杠17转动，待到水平位置调整合适后，人工调节凹形管道接头7和凸管道接头I8使其球形面相切；若特殊管道接头不能调整到相切的位置，则需要再次对熔炼炉操作台进行调节直到凹形管道接头7和凸管道接头I8的球面相切，此时通过螺栓把凹形管道接头7和凸管道接头I8连接起来，轧机整体调节完毕，镁合金铸轧机调节后的整体位置参见图1。As shown in Figure 7-10, the hydraulic pump supplies oil to the spring cylinder 2 so that the spring cylinder 2 temporarily loses its locking function, and then adjusts the hydraulic cylinder 3 to adjust the overall inclination angle of the magnesium alloy casting and rolling mill; the hydraulic pump supplies oil to the hydraulic cylinder 3 , so that the cast-rolling machine can be tilted to a predetermined tilt angle. At this time, the hydraulic pump supplying oil to the spring cylinder 2 is unloaded, and the restoring force produced by the disc spring is used to make the fitting 18 with internal thread, the connecting piece 4 with the arc track, and the base 1 closely fit, so that The spring cylinder 2 restores the locking function, and the spring cylinder 2 can serve the purpose of fixing the magnesium alloy casting and rolling mill. At this time, the hydraulic pump that supplies oil to the adjustment hydraulic cylinder 3 can also stop the oil supply, and the adjustment of the casting and rolling mill body 5 is completed; on the other hand, the motor starts to drive the electric push rod 17 to move vertically upwards. The bar 17 rotates, and after the horizontal position is adjusted properly, manually adjust the concave pipe joint 7 and the convex pipe joint I8 to make their spherical surfaces tangent; Adjust until the spherical surface of the concave pipe joint 7 and the convex pipe joint I8 is tangent. At this time, the concave pipe joint 7 and the convex pipe joint I8 are connected by bolts. The overall adjustment of the rolling mill is completed, and the adjusted overall position of the magnesium alloy casting and rolling mill See Figure 1.
所述螺栓连接的载体是法兰，螺栓的作用是使得两个接头球形面紧密贴合，但两个球形面可以在小范围内转动，这就使得螺母拧入螺栓杆的有效长度随着工作位置的不同而不同。The carrier of the bolt connection is the flange, and the function of the bolt is to make the two spherical surfaces of the joint closely fit, but the two spherical surfaces can rotate within a small range, which makes the effective length of the nut screwed into the bolt rod increase with the working length. Varies by location.
铸轧过程中铸轧机倾斜角度在线调整实施例2Example 2 of Online Adjustment of Casting Mill Tilt Angle During Casting and Rolling
如图7-10所示，在轧制的过程中，发现镁合金的质量存在缺陷，此时需要将镁合金铸轧机倾斜角度进行微调。如图2所示，可以清楚的看到再次调整前特殊管道接口的相对位置关系，这就给铸轧过程调整镁合金铸轧机到修改倾斜角度提供了指导。As shown in Figure 7-10, during the rolling process, it is found that the quality of the magnesium alloy is defective. At this time, the inclination angle of the magnesium alloy casting and rolling machine needs to be fine-tuned. As shown in Figure 2, you can clearly see the relative positional relationship of the special pipe joints before readjustment, which provides guidance for adjusting the magnesium alloy casting and rolling machine to modify the inclination angle during the casting and rolling process.
液压泵开始给弹簧缸2供油，使弹簧缸2暂时失去锁紧功能；此后，调整液压缸3开始动作直到铸轧机本体5达到修改倾斜角度；需要特别注意的是，在调整液压缸3调节的同时电动推杆17必须向上推动熔炼炉11向上移动相应的距离，参见图2接头的位置关系和调整的角度，熔炼炉水平方向不需要调节。此时，给弹簧缸2供油的液压泵卸载，利用碟形弹簧产生的恢复力使得带有内螺纹的贴合件18和连接件4以及底座1紧密贴合，使弹簧缸2恢复锁紧功能，达到固定镁合金铸轧机的目的。此时轧机整体再次调节完毕，轧机整体调节完毕后的位置参见图5。The hydraulic pump starts to supply oil to the spring cylinder 2, so that the spring cylinder 2 temporarily loses its locking function; after that, adjust the hydraulic cylinder 3 to start to move until the cast-rolling machine body 5 reaches the modified inclination angle; special attention should be paid to the adjustment of the hydraulic cylinder 3 At the same time, the electric push rod 17 must push up the smelting furnace 11 to move up a corresponding distance, see Figure 2 for the positional relationship of the joints and the angle of adjustment, the horizontal direction of the smelting furnace does not need to be adjusted. At this time, the hydraulic pump supplying oil to the spring cylinder 2 is unloaded, and the restoring force generated by the disc spring is used to make the fitting part 18 with internal thread and the connecting part 4 and the base 1 fit closely, so that the spring cylinder 2 is restored to lock function, to achieve the purpose of fixing the magnesium alloy casting and rolling machine. At this time, the overall adjustment of the rolling mill is completed again, and the position after the overall adjustment of the rolling mill is shown in Fig. 5 .
通过实例可以了解到这种新型的镁合金铸轧机优于传统铸轧机，有效提高了自锁功能的可靠性；在铸轧过程中实现倾斜角度调整，提高了镁合金板材的成材率；特殊管道接头的设计使得轧机倾斜角度调整后，不需要重新更换前箱与熔炼炉间的连接管路，节省了成本。Through examples, we can understand that this new type of magnesium alloy casting-rolling machine is superior to the traditional casting-rolling machine, which effectively improves the reliability of the self-locking function; the adjustment of the inclination angle is realized during the casting-rolling process, which improves the yield of the magnesium alloy plate; the special pipe The design of the joint makes it unnecessary to replace the connecting pipeline between the front box and the melting furnace after the inclination angle of the rolling mill is adjusted, which saves costs.
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| CN201710303137.8A CN106984781A (en) | 2017-05-03 | 2017-05-03 | A kind of new roll-casting of magnesium alloy machine |
| US15/904,466 US10449602B2 (en) | 2017-02-24 | 2018-02-26 | Magnesium alloy cast-rolling unit |
| US16/558,302 US10744558B2 (en) | 2017-02-24 | 2019-09-02 | Magnesium alloy cast-rolling unit |
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