阅读说明：本技术 一种轧制复合极薄带的单边塔形辊系异步轧机及液压系统 (Single-side tower-shaped roller system asynchronous rolling mill for rolling composite ultra-thin strip and hydraulic system ) 是由 任忠凯 刘晓 李�赫 王祖贵 和东平 王涛 黄庆学 熊晓燕 于 2021-09-01 设计创作，主要内容包括：本发明公开一种轧制复合极薄带的单边塔形辊系异步轧机及液压系统,机架的两侧分别设置有两组卷筒组件和一组卷筒组件；机架内部设置有上辊系组件和下辊系组件,机架上设置有用于调节上辊系组件和下辊系组件之间辊缝的压下组件以及用于支撑平衡上辊系组件的支撑辊平衡组件；下辊系组件包括右工作辊和左工作辊,右工作辊为平辊,左工作辊为花纹辊,机架上设置有用于调节右工作辊和左工作辊之间辊缝的压左组件。本发明将辊压和轧制融合到一个轧机上,先辊压微型结构,后通过异步轧制复合,可以更好的促进两条极薄带的协调变形和高强度结合,卷筒组件一方面可以实现微小张力的高精度控制,另一方面实现不同厚度、不同材质极薄带的变张力轧制。(The invention discloses a unilateral tower-shaped roll system asynchronous rolling mill for rolling a composite ultra-thin strip and a hydraulic system, wherein two sides of a rack are respectively provided with two groups of winding drum assemblies and one group of winding drum assemblies; an upper roll system component and a lower roll system component are arranged in the rack, and a pressing component for adjusting a roll gap between the upper roll system component and the lower roll system component and a supporting roll balancing component for supporting and balancing the upper roll system component are arranged on the rack; the lower roll system component comprises a right working roll and a left working roll, the right working roll is a flat roll, the left working roll is a patterned roll, and a left pressing component used for adjusting a roll gap between the right working roll and the left working roll is arranged on the machine frame. According to the invention, rolling and rolling are integrated on one rolling mill, the microstructure is rolled firstly, and then the asynchronous rolling compounding is carried out, so that the coordinated deformation and high-strength combination of two ultra-thin strips can be better promoted, and the winding drum assembly can realize high-precision control of micro tension on one hand and variable-tension rolling of ultra-thin strips with different thicknesses and different materials on the other hand.)

1. The single-side tower-shaped roll system asynchronous rolling mill for rolling the composite ultra-thin strip is characterized in that: the device comprises a rack (1), wherein the rack (1) comprises two groups of rectangular frames (101) which are symmetrically arranged; two groups of reel assemblies for placing the ultrathin strip coil and one group of reel assemblies for taking up the composite ultrathin strip coil are respectively arranged on two sides of the rack (1); an upper roll system component (21) and a lower roll system component (22) are arranged in the rack (1), and a pressing component (3) for adjusting a roll gap between the upper roll system component (21) and the lower roll system component (22) and a supporting roll balancing component (9) for supporting and balancing the upper roll system component (21) are arranged on the rack (1); lower roll system subassembly (22) includes right work roll (201) and left work roll (205), right work roll (201) is the plain barreled roll, left side work roll (205) are the checkered roll, be provided with on frame (1) and be used for adjusting left side pressure subassembly (4) between right work roll (201) and left work roll (205) the roll gap, right work roll (201) and left work roll (205) are respectively through motor drive subassembly (8) drive.

2. The single-sided tower-shaped roll-system asynchronous rolling mill for rolling the composite ultra-thin strip according to claim 1, wherein: the winding drum component comprises a winding drum (601) and a series motor (602) used for driving the winding drum (601) to work, wherein a guide roller (7) is arranged on one side, close to the rack (1), of the winding drum (601), and the guide roller (7) is rotatably connected onto a guide roller support.

3. The single-sided tower-shaped roll-system asynchronous rolling mill for rolling the composite ultra-thin strip according to claim 2, wherein: the winding drum component comprises two sets of unwinding winding drum components (61) arranged on the same side of the rack (1) and a winding drum component (62) arranged on the other side of the rack, the two sets of unwinding winding drum components (61) are arranged up and down in a corresponding mode, and guide rollers (7) corresponding to the unwinding winding drum components (61) are arranged between roll gaps of a right working roller (201) and a left working roller (205).

4. The single-sided tower-shaped roll-system asynchronous rolling mill for rolling the composite ultra-thin strip according to claim 1, wherein: the upper roller system component (21) comprises six roller systems arranged inside the rectangular frame (101) and six roller frames (212) arranged outside the six roller systems, backing plates (213) are arranged on two sides of each six roller frame (212), and each backing plate (213) is fixedly connected with two groups of the rectangular frames (101) respectively; the six-roller system comprises an upper working roller (202), two first middle rollers (203) which are arranged above the upper working roller (202) and tangent to the upper working roller, and three second middle rollers (204) which are arranged above the two groups of first middle rollers (203), wherein the axes of the upper working roller (202) and the right working roller (201) are positioned on the same vertical line.

5. The single-sided tower-shaped roll-system asynchronous rolling mill for rolling the composite ultra-thin strip according to claim 4, wherein: supporting end covers (210) matched with the six-roller system are respectively arranged at two ends of the six-roller system, and cylindrical protrusions (214) used for keeping the six rollers axially fixed are fixedly arranged on the supporting end covers (210); the cylindrical protrusions (214) corresponding to the two groups of first middle rollers (203) on the supporting end cover (210) are axial displacement hydraulic cylinders (211).

6. The single-sided tower-shaped roll-system asynchronous rolling mill for rolling the composite ultra-thin strip according to claim 1, wherein: the both ends of right side work roll (201) are connected with right work roll bearing frame (206) respectively, the both ends of left side work roll (205) are provided with left work roll bearing frame (207), press left side subassembly (4) including setting up right work roll bearing frame (206), left work roll bearing frame (207) and setting between same rectangular frame (101) bottom both sides left side work roll bearing frame (207) deviate from little slide wedge (208) and big slide wedge (209) of one side of right side work roll bearing frame (206), the opposite face of little slide wedge (208) and big slide wedge (209) is the wedge face, rectangular frame (101) are close to one side of left work roll (205) and have been seted up and have been held the recess of little slide wedge (208), big slide wedge (209) fixedly connected with slide wedge displacement pneumatic cylinder.

7. The single-sided tower-shaped roll-system asynchronous rolling mill for rolling the composite ultra-thin strip according to claim 4, wherein: the pressing component (3) comprises a hydraulic cylinder (301) fixedly connected to a rectangular frame (101), a piston rod of the hydraulic cylinder (301) penetrates through the rectangular frame (101) and a pressure head (302), the pressure head (302) is connected with a pressure sensor (303), and the pressure sensor (303) is connected with a six-roller frame (212).

8. The single-sided tower-shaped roll-system asynchronous rolling mill for rolling the composite ultra-thin strip according to claim 4, wherein: the supporting roller balancing assembly (9) comprises a first balancing beam (901) fixedly connected to a six-roller frame (212), a second balancing beam (902) is fixedly connected between two groups of rectangular frames (101), one end of a spring guide rod (903) is fixedly connected to the first balancing beam (901), the other end of the spring guide rod (903) penetrates through a locking piece (904) fixedly connected to the second balancing beam (902), and a balancing spring (905) is sleeved between the locking piece (904) and the second balancing beam (902) through the spring guide rod (903).

9. A hydraulic system of a single-side tower-shaped roll system asynchronous rolling mill for rolling a composite ultra-thin strip, which is based on any one of claims 1 to 8, and is characterized in that: the hydraulic control device comprises an oil pipe assembly, a pressing servo hydraulic system for controlling the pressing assembly (3) to work and a horizontal roll gap adjusting hydraulic system for controlling the pressing left assembly (4) to work; the oil pipe assembly comprises a control oil pipe, a main pressure oil pipe, a main oil return pipe and an oil drainage pipe;

the pressing servo hydraulic system comprises a first pressing hydraulic system and a second pressing hydraulic system which are identical in structure; the first screwdown hydraulic system comprises a first servo valve (3.1) connected with a main oil return pipe, and the first servo valve (3.1) is connected with a first cartridge valve (2.1), a second cartridge valve (2.2) and a third cartridge valve (2.3); the first cartridge valve (2.1), the second cartridge valve (2.2) and the third cartridge valve (2.3) are respectively connected with an oil drainage pipe; a first pressure reducing valve (1.1) is connected between the first cartridge valve (2.1) and the main pressure oil pipe, a first electromagnetic ball valve (4.1) is connected between the control oil pipe and the main oil return pipe, and the first electromagnetic ball valve (4.1) is respectively connected with the second cartridge valve (2.2) and the third cartridge valve (2.3); the second cartridge valve (2.2) and the third cartridge valve (2.3) are respectively connected with a rod cavity and a rodless cavity of the first pressing cylinder (6.1), and a first overflow valve (5.1) is connected between the rod cavity of the first pressing cylinder (6.1) and the main oil return pipe;

the horizontal roll gap adjusting hydraulic system comprises a first horizontal roll gap adjusting hydraulic system and a second horizontal roll gap adjusting hydraulic system which are identical in structure; the first horizontal roll gap adjusting hydraulic system comprises a first proportional reversing valve (9.1) connected with a main oil return pipe, and the first proportional reversing valve (9.1) is connected with a first hydraulic control one-way valve (8.1), a second hydraulic control one-way valve (8.2) and a third hydraulic control one-way valve (8.3); a third electromagnetic ball valve (4.3) is connected between the control oil pipe and the main oil return pipe, and the third electromagnetic ball valve (4.3) and the oil drain pipe are respectively connected with a first hydraulic control one-way valve (8.1), a second hydraulic control one-way valve (8.2) and a third hydraulic control one-way valve (8.3); a third pressure reducing valve (1.3) is connected between the first hydraulic control one-way valve (8.1) and the main pressure oil pipe, and the first hydraulic control one-way valve (8.1) is respectively connected with a second hydraulic control one-way valve (8.2) and a third hydraulic control one-way valve (8.3); the second hydraulic control one-way valve (8.2) and the third hydraulic control one-way valve (8.3) are respectively communicated with a rodless cavity and a rod cavity of the first horizontal roll gap adjusting hydraulic cylinder (10.1), and a third overflow valve (5.3) is connected between the rodless cavity of the first horizontal roll gap adjusting hydraulic cylinder (10.1) and the main oil return pipe.

10. The hydraulic system of the single-sided tower-shaped roll-system asynchronous rolling mill for rolling the composite ultra-thin strip according to claim 9, wherein: the hydraulic control system also comprises a transverse moving hydraulic system for controlling the work of the cylindrical protrusion (211), wherein the transverse moving hydraulic system comprises a first transverse moving hydraulic system and a second transverse moving hydraulic system which have the same structure;

the first transverse moving hydraulic system comprises a third proportional reversing valve (9.3) connected with a main oil return pipe, and the third proportional reversing valve (9.3) is connected with a seventh hydraulic control one-way valve (8.7) and an eighth hydraulic control one-way valve (8.8); a fifth electromagnetic ball valve (4.5) is connected between the control oil pipe and the main oil return pipe, and the fifth electromagnetic ball valve (4.5) and the main oil return pipe are respectively connected with a seventh hydraulic control one-way valve (8.7) and an eighth hydraulic control one-way valve (8.8); a fifth reducing valve (1.5) is connected between the seventh hydraulic control one-way valve (8.7) and the main pressure oil pipe; the eighth hydraulic control one-way valve (8.8) is connected with a rodless cavity of a first transverse hydraulic cylinder (11.1), and a fifth overflow valve (5.5) is connected between the rodless cavity of the first transverse hydraulic cylinder (11.1) and a main oil return pipe;

the second transverse hydraulic system comprises a second transverse hydraulic cylinder (11.2), a reversing oil way is connected between two groups of rod cavities on the first transverse hydraulic cylinder (11.1) and the second transverse hydraulic cylinder (11.2), a reversing valve (12) is connected between the reversing oil way and a main pressure oil pipe, and a seventh overflow valve (5.7) is connected between the reversing oil way and a main oil return pipe.

Technical Field

The invention relates to the technical field of rolling equipment, in particular to a single-side tower-shaped roll system asynchronous rolling mill for rolling a composite ultra-thin strip and a hydraulic system.

Background

The composite ultrathin belt has excellent performance of heterogeneous materials, and has wide application prospect in important fields of aerospace, military and national defense, electronic communication, micro robots and the like. At present, the main preparation methods of the composite ultrathin strip comprise the following steps: spray deposition method, magnetron sputtering method, diffusion welding method and blank thinning method. The former two methods have complex production process and high cost, and are not suitable for large-scale batch production; the composite ultrathin strip prepared by adopting the diffusion welding method has lower bonding strength and shorter service life; the composite extremely thin strip prepared by the blank thinning method causes obvious work hardening and anisotropy, aggravates the inconsistent deformation of dissimilar metals and is easy to generate the phenomenon of interface cracking.

Disclosure of Invention

The invention aims to provide a single-side tower-shaped roll system asynchronous rolling mill for rolling a composite ultra-thin strip and a hydraulic system, so as to solve the problems in the prior art.

In order to achieve the purpose, the invention provides the following scheme:

the invention provides a unilateral tower-shaped roll system asynchronous rolling mill for rolling a composite ultra-thin strip, which comprises a rack, wherein the rack comprises two groups of rectangular frames which are symmetrically arranged; two groups of reel assemblies for placing the ultrathin strip coil and one group of reel assemblies for collecting the composite ultrathin strip coil are respectively arranged on two sides of the rack; an upper roll system component and a lower roll system component are arranged in the rack, and a pressing component for adjusting a roll gap between the upper roll system component and the lower roll system component and a supporting roll balancing component for supporting and balancing the upper roll system component are arranged on the rack; the lower roll system component comprises a right working roll and a left working roll, the right working roll is a flat roll, the left working roll is a patterned roll, a left pressing component used for adjusting the roll gap between the right working roll and the left working roll is arranged on the machine frame, and the right working roll and the left working roll are driven by a motor driving component respectively.

Preferably, the reel subassembly includes the reel and is used for driving the series connection motor of reel work, every one side that the reel is close to the frame all is provided with the guide roll, the guide roll rotates to be connected on the guide roll support.

Preferably, the winding drum assembly comprises two sets of unwinding winding drum assemblies arranged on the same side of the rack and a winding drum assembly arranged on the other side of the rack, the unwinding winding drum assemblies are correspondingly arranged up and down, and the guide roller corresponding to the unwinding winding drum assembly is arranged between the right working roller and the left working roller.

Preferably, the upper roller system assembly comprises six roller systems arranged inside the rectangular frame and six roller frames arranged outside the six roller systems, backing plates are arranged on two sides of each six roller frame, and each backing plate is fixedly connected with the two groups of rectangular frames respectively; the six-roller system comprises an upper working roller, two first middle rollers arranged above the upper working roller and tangent to the upper working roller and three second middle rollers arranged above the two groups of first middle rollers, wherein the axes of the upper working roller and the right working roller are positioned on the same vertical line.

Preferably, two ends of the six-roller system are respectively provided with a supporting end cover matched with the six-roller system, and the supporting end covers are fixedly provided with cylindrical bulges used for keeping the six rollers axially fixed; and the cylindrical protrusions on the supporting end covers corresponding to the two groups of first middle rollers are axial displacement hydraulic cylinders.

Preferably, the both ends of right side work roll are connected with right work roll bearing frame respectively, the both ends of left side work roll are provided with left work roll bearing frame, press left side subassembly including setting up right work roll bearing frame, left work roll bearing frame and setting between same rectangular frame bottom both sides left side work roll bearing frame deviates from little slide wedge and the big slide wedge of one side of right side work roll bearing frame, the opposite face of little slide wedge and big slide wedge is the wedge face, rectangular frame has seted up near one side of left work roll and has held the recess of little slide wedge, big slide wedge fixedly connected with slide wedge displacement pneumatic cylinder.

Preferably, the pressing component comprises a hydraulic cylinder fixedly connected to the rectangular frame, a piston rod of the hydraulic cylinder penetrates through the rectangular frame and is fixedly connected with a pressure head, the pressure head is connected with a pressure sensor, and the pressure sensor is connected with the six-roller frame.

Preferably, the supporting roll balancing assembly comprises a first balancing beam fixedly connected to the six roll frames and a second balancing beam fixedly connected between the two groups of rectangular frames, the first balancing beam is fixedly connected with one end of a spring guide rod, the other end of the spring guide rod penetrates through the second balancing beam and is fixedly connected with a locking piece, and a balancing spring is sleeved on the spring guide rod between the locking piece and the second balancing beam.

A hydraulic system of a unilateral tower-shaped roll system asynchronous rolling mill for rolling a composite ultra-thin strip comprises an oil pipe assembly, a pressing servo hydraulic system for controlling the pressing assembly to work and a horizontal roll gap adjusting hydraulic system for controlling the pressing left assembly to work; the oil pipe assembly comprises a control oil pipe, a main pressure oil pipe, a main oil return pipe and an oil drain pipe.

The pressing servo hydraulic system comprises a first pressing hydraulic system and a second pressing hydraulic system which are identical in structure; the first screwdown hydraulic system comprises a first servo valve connected with a main oil return pipe, and the first servo valve is connected with a first cartridge valve, a second cartridge valve and a third cartridge valve; the first cartridge valve, the second cartridge valve and the third cartridge valve are respectively connected with an oil drainage pipe; a first pressure reducing valve is connected between the first cartridge valve and the main pressure oil pipe, a first electromagnetic ball valve is connected between the control oil pipe and the main oil return pipe, and the first electromagnetic ball valve is respectively connected with the second cartridge valve and the third cartridge valve; the second cartridge valve and the third cartridge valve are respectively connected with a rod cavity and a rodless cavity of the first pressing cylinder, and a first overflow valve is connected between the rod cavity of the first pressing cylinder and the main oil return pipe.

The horizontal roll gap adjusting hydraulic system comprises a first horizontal roll gap adjusting hydraulic system and a second horizontal roll gap adjusting hydraulic system which are identical in structure; the first horizontal roll gap adjusting hydraulic system comprises a first proportional reversing valve connected with a main oil return pipe, and the first proportional reversing valve is connected with a first hydraulic control one-way valve, a second hydraulic control one-way valve and a third hydraulic control one-way valve; a third electromagnetic ball valve is connected between the control oil pipe and the main oil return pipe, and the third electromagnetic ball valve and the oil drain pipe are respectively connected with the first hydraulic control one-way valve, the second hydraulic control one-way valve and the third hydraulic control one-way valve; a third pressure reducing valve is connected between the first hydraulic control one-way valve and the main pressure oil pipe, and the first hydraulic control one-way valve is respectively connected with the second hydraulic control one-way valve and the third hydraulic control one-way valve; the second hydraulic control one-way valve and the third hydraulic control one-way valve are respectively communicated with a rodless cavity and a rod cavity of the first horizontal roll gap adjusting hydraulic cylinder, and a third overflow valve is connected between the rodless cavity of the first horizontal roll gap adjusting hydraulic cylinder and the main oil return pipe.

Preferably, the hydraulic control system further comprises a traversing hydraulic system for controlling the operation of the cylindrical protrusion, and the traversing hydraulic system comprises a first traversing hydraulic system and a second traversing hydraulic system which have the same structure.

The first transverse moving hydraulic system comprises a third proportional reversing valve connected with a main oil return pipe, and the third proportional reversing valve is connected with a seventh hydraulic control one-way valve and an eighth hydraulic control one-way valve; a fifth electromagnetic ball valve is connected between the control oil pipe and the main oil return pipe, and the fifth electromagnetic ball valve and the main oil return pipe are respectively connected with a seventh hydraulic control one-way valve and an eighth hydraulic control one-way valve; a fifth reducing valve is connected between the seventh hydraulic control one-way valve and the main pressure oil pipe; the eighth hydraulic control one-way valve is connected with a rodless cavity of the first transverse hydraulic cylinder, and a fifth overflow valve is connected between the rodless cavity of the first transverse hydraulic cylinder and the main oil return pipe.

The second transverse hydraulic system comprises a second transverse hydraulic cylinder, a reversing oil way is connected between two groups of rod cavities on the first transverse hydraulic cylinder and the second transverse hydraulic cylinder, a reversing valve is connected between the reversing oil way and the main pressure oil pipe, and a seventh overflow valve is connected between the reversing oil way and the main oil return pipe.

The invention discloses the following technical effects:

according to the invention, the transverse displacement of the left working roll is adjusted through the left pressing assembly, so that the roll gap between the right working roll and the left working roll is adjusted, and the left working roll is a patterned roll to realize that a microstructure is formed on the upper surface of an extremely thin belt for rolling. The upper roll system component is of a six-roll structure, realizes pressing through two hydraulic cylinders on the rack, and realizes rolling and compounding of two ultra-thin strips with the right working roll. The invention combines rolling and rolling on a rolling mill, firstly rolls the microstructure to achieve the purpose of surface modification to be combined, and the microstructure extruded by the rolling generates local strong stress on the interface to be combined to promote the oxide film of the interface to be combined to break and promote the outflow of fresh metal. And then, through asynchronous rolling compounding, the coordinated deformation and high-strength combination of the two ultra-thin strips can be better promoted, and the tension on the three winding drums in the rolling process is controlled by two motors in series, so that the high-precision control of micro tension can be realized on one hand, and the variable-tension rolling of the ultra-thin strips with different thicknesses and different materials can be realized on the other hand. The invention has simple structure, convenient adjustment and maintenance and low manufacturing cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a single-side tower-shaped roll system asynchronous rolling mill for rolling a composite ultra-thin strip according to the present invention;

FIG. 2 is another schematic view of the single-side turriform roll system asynchronous rolling mill for rolling the composite ultra-thin strip according to the present invention;

FIG. 3 is a schematic view of the upper and lower roller system assemblies of the present invention;

FIG. 4 is a schematic view of a support end cap according to the present invention;

FIG. 5 is a schematic view of the reel assembly of the present invention;

FIG. 6 is a schematic view of the internal structure of the rolling mill of the present invention;

FIG. 7 is a schematic view of an axial displacement hydraulic cylinder according to the present invention;

FIG. 8 is a schematic view of the construction of the depressing servo hydraulic system of the present invention;

FIG. 9 is a schematic structural view of a horizontal roll gap adjustment hydraulic system of the present invention;

FIG. 10 is a schematic diagram of the traversing hydraulic system of the invention.

Wherein, 1 is a frame, 101 is a rectangular frame, 21 is an upper roll system component, 22 is a lower roll system component, 201 is a right working roll, 202 is an upper working roll, 203 is a first middle roll, 204 is a second middle roll, 205 is a left working roll, 206 is a right working roll chock, 207 is a left working roll chock, 208 is a small wedge, 209 is a large wedge, 210 is a supporting end cover, 211 is an axial displacement hydraulic cylinder, 212 is a six-roll stand, 213 is a backing plate, 214 is a cylindrical protrusion, 3 is a pressing component, 301 is a hydraulic cylinder, 302 is a pressure head, 303 is a pressure sensor, 4 is a left pressing component, 5 is a base, 601 is a winding drum, 602 is a series motor, 61 is an unwinding winding drum component, 62 is a winding drum component, 7 is a guide roll, 8 is a motor driving component, 9 is a supporting roll balancing component, 901 is a first balancing beam, 902 is a second balancing beam, 903 is a spring guide rod, 904 is a locking component, 905 is a balance spring; 1.1 is a first pressure reducing valve, 1.2 is a second pressure reducing valve, 2.1 is a first cartridge valve, 2.2 is a second cartridge valve, 2.3 is a third cartridge valve, 2.4 is a fourth cartridge valve, 2.5 is a fifth cartridge valve, 2.6 is a sixth cartridge valve, 3.1 is a first servo valve, 3.2 is a second servo valve, 4.1 is a first electromagnetic ball valve, 4.2 is a second electromagnetic ball valve, 5.1 is a first overflow valve, 5.2 is a second overflow valve, 6.1 is a first depression cylinder, 6.2 is a second depression cylinder, 7.1 is a first built-in displacement sensor, and 7.2 is a second built-in displacement sensor; 1.3 is a third pressure reducing valve, 1.4 is a fourth pressure reducing valve, 4.3 is a third electromagnetic ball valve, 4.4 is a fourth electromagnetic ball valve, 5.3 is a third overflow valve, 5.4 is a fourth overflow valve, 7.3 is a third built-in displacement sensor, 7.4 is a fourth built-in displacement sensor, 8.1 is a first hydraulic control one-way valve, 8.2 is a second hydraulic control one-way valve, 8.3 is a third hydraulic control one-way valve, 8.4 is a fourth hydraulic control one-way valve, 8.5 is a fifth hydraulic control one-way valve, 8.6 is a sixth hydraulic control one-way valve, 9.1 is a first proportional reversing valve, 9.2 is a second proportional reversing valve, 10.1 is a first horizontal roll gap adjusting hydraulic cylinder, and 10.2 is a second horizontal roll gap adjusting hydraulic cylinder; 1.5 is a fifth pressure reducing valve, 1.6 is a sixth pressure reducing valve, 4.5 is a fifth electromagnetic ball valve, 4.6 is a sixth electromagnetic ball valve, 5.5 is a fifth overflow valve, 5.6 is a sixth overflow valve, 5.7 is a seventh overflow valve, 7.5 is a fifth built-in displacement sensor, 7.6 is a sixth built-in displacement sensor, 8.7 is a seventh hydraulic control check valve, 8.8 is an eighth hydraulic control check valve, 8.9 is a ninth hydraulic control check valve, 8.10 is a tenth hydraulic control check valve, 9.3 is a third proportional reversing valve, 9.4 is a fourth proportional reversing valve, 11.1 is a first traversing hydraulic cylinder, 11.2 is a second traversing hydraulic cylinder, and 12 is a reversing valve; x is a control oil pipe, P is a main pressure oil pipe, T is a main oil return pipe, and Y is an oil drain pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Referring to fig. 1-7, the invention provides a single-side tower-shaped roll system asynchronous rolling mill for rolling a composite ultra-thin strip, which comprises a stand 1, wherein the stand 1 comprises two groups of symmetrically arranged rectangular frames 101; two groups of reel assemblies for placing the ultrathin strip coil and a group of reel assemblies for collecting the composite ultrathin strip coil are respectively arranged on two sides of the rack 1; the winding drum assembly comprises winding drums 601 and a series motor 602 for driving the winding drums 601 to work, a guide roller 7 is arranged on one side, close to the machine frame 1, of each winding drum 601, and the guide roller 7 is rotatably connected to a guide roller support. The reel component comprises two sets of unreeling reel components 1 arranged on the same side of the rack 1 and reeling reel components 2 arranged on the other side of the rack, the two sets of unreeling reel components 1 are correspondingly arranged up and down, the ultrathin strips in a convolution state are unreeled through the two sets of unreeling reel components 1, and the composite ultrathin strips are convoluted onto the reel 601 through the reeling reel components 2.

An upper roll system component 21 and a lower roll system component 22 are arranged in the machine frame 1, and a pressing component 3 for adjusting a roll gap between the upper roll system component 21 and the lower roll system component 22 and a supporting roll balancing component 9 for supporting and balancing the upper roll system component 21 are arranged on the machine frame 1; the lower roll system component 22 comprises a right working roll 201 and a left working roll 205, the right working roll 201 is a flat roll, the left working roll 205 is a patterned roll, the right working roll 201 and the left working roll 205 have the same diameter and are positioned on the same horizontal plane, and the distance between two axial lines of the right working roll 201 and the left working roll 205 is greater than the diameter of the supporting roll.

The guide roller 7 corresponding to the unreeling reel assembly 1 located below is arranged between the right working roller 201 and the left working roller 205 to guide the ultra-thin strip. The frame 1 is provided with a left pressing component 4 for adjusting a roll gap between the right working roll 201 and the left working roll 205, and the right working roll 201 and the left working roll 205 are respectively driven by a motor driving component 8.

In a further optimized scheme, the upper roller system assembly 21 comprises six roller systems arranged inside the rectangular frame 101 and six roller frames 212 arranged outside the six roller systems, backing plates 213 are arranged on two sides of the six roller frames 212, and each set of backing plates 213 is fixedly connected with two sets of the rectangular frames 101 respectively; the six-roller system comprises an upper working roller 202, two first middle rollers 203 arranged above and tangent to the upper working roller 202 and three second middle rollers 204 arranged above two groups of first middle rollers 203, wherein the axes of the upper working roller 202 and the right working roller 201 are positioned on the same vertical line.

In a further optimized scheme, two ends of the six-roller system are respectively provided with a supporting end cover 210 matched with the six-roller system, and a cylindrical protrusion 214 for keeping the six rollers axially fixed is fixedly arranged on the supporting end cover 210; the cylindrical protrusions 214 on the support cap 210 corresponding to the two sets of first intermediate rollers 203 are axial displacement cylinders 211. The supporting end cover 210 is arranged inside the end cover at six cylindrical protrusions 214, the axes of the six cylindrical protrusions 214 are respectively in the same horizontal line with the axis of the six rollers, and the diameter of each cylindrical protrusion 214 is smaller than the diameter of the corresponding roller.

Further optimize the scheme, the both ends of right work roll 201 are connected with right work roll bearing frame 206 respectively, the both ends of left work roll 205 are provided with left work roll bearing frame 207, press left subassembly 4 including setting up right work roll bearing frame 206 between same rectangular frame 101 bottom both sides, left work roll bearing frame 207 and set up little slide wedge 208 and the big slide wedge 209 that deviates from one side of right work roll bearing frame 206 at left work roll bearing frame 207, the opposite face of little slide wedge 208 and big slide wedge 209 is the wedge face, rectangular frame 101 is close to one side of left work roll 205 and has been seted up the recess that holds little slide wedge 208, big slide wedge 209 fixedly connected with slide wedge displacement pneumatic cylinder 301.

In a further optimized scheme, the pressing component 3 comprises a hydraulic cylinder 301 fixedly connected to the rectangular frame 101, a piston rod of the hydraulic cylinder 301 penetrates through the rectangular frame 101 and is fixedly connected with a pressure head 302, the pressure head 302 is connected with a pressure sensor 303, and the pressure sensor 303 is connected with the six-roller frame 212.

Further optimize the scheme, the supporting roller balance assembly 9 includes a first balance beam 901 fixedly connected to the six roller frames 212, a second balance beam 902 is fixedly connected between the two groups of rectangular frames 101, the first balance beam 901 is fixedly connected with one end of a spring guide rod 903, the other end of the spring guide rod 903 penetrates through the second balance beam 902 and is fixedly connected with a lock piece 904, and the spring guide rod 903 is sleeved with a balance spring 905 between the lock piece 904 and the second balance beam 902.

The working process is as follows:

the method comprises the following steps: an ultra-thin strip is wound on the winding drum of the lower unwinding winding drum assembly 1, passes through the corresponding guide roller 7, passes through the roll gaps of the right working roller 201 and the left working roller 205, then passes through the roll gaps of the right working roller 201 and the upper working roller 202, and then passes through the guide roller 7 corresponding to the winding drum assembly 2 to be fixed on the winding drum 601 of the winding drum assembly 2.

Step two: another strip is wound around the winding drum 601 of the unwinding drum assembly 1 above and passes through the guide roller 7 corresponding thereto, and one end of the strip is passed through the nip between the right work roller 201 and the upper work roller 202 and then fixed to the winding drum 601 of the winding drum assembly 2 by the guide roller 7 corresponding to the winding drum assembly 2.

Step three: and adjusting the relative positions of the two extremely thin strips to keep the upper and lower positions of the two extremely thin strips in the same vertical plane.

Step four: according to the initial thickness and the rolling reduction of the ultrathin strip, the left working roll 205 is adjusted by the left pressing assembly 4, so that the roll gap between the left working roll 205 and the right working roll 201 can meet the rolling condition, the left working roll 205 is a patterned roll, and the upper surface of the rolled ultrathin strip has a microstructure.

Step five: according to the initial thickness and the rolling reduction of the two ultra-thin strips, the six-roll system is adjusted by the pressing component 3, so that the roll gap between the upper working roll 202 and the right working roll 201 can meet the rolling condition.

Step six: adjusting the rotating speed of the motor, starting the series motor to apply proper tension to the plate strip, adjusting the rotating speed of the motor according to the speed ratio required in the process, starting the motor driving component 8, and driving the left working roll and the right working roll to roll and roll.

Step seven: the plate strip rolled by the rolling mill is measured for plate shape by a plate shape meter, and then after feedback, the transverse movement of the first intermediate roll is pushed by the hydraulic cylinder 211 to realize the control of the plate shape.

Referring to fig. 8-10, the invention provides a hydraulic system of a single-side tower-shaped roll system asynchronous rolling mill for rolling a composite ultra-thin strip, which comprises an oil pipe assembly, a pressing servo hydraulic system for controlling the working of a pressing assembly 3 and a horizontal roll gap adjusting hydraulic system for controlling the working of a left pressing assembly 4; the oil pipe assembly comprises a control oil pipe X, a main pressure oil pipe P, a main oil return pipe T and an oil drain pipe Y.

The pressing servo hydraulic system comprises a first pressing hydraulic system and a second pressing hydraulic system which are identical in structure; the first screwdown hydraulic system comprises a first servo valve 3.1 connected with a main oil return pipe T, and the first servo valve 3.1 is connected with a first cartridge valve 2.1, a second cartridge valve 2.2 and a third cartridge valve 2.3; the first cartridge valve 2.1, the second cartridge valve 2.2 and the third cartridge valve 2.3 are respectively connected with an oil drainage pipe Y; a first pressure reducing valve 1 is connected between the first cartridge valve 2.1 and the main pressure oil pipe P, a first electromagnetic ball valve 4.1 is connected between the control oil pipe X and the main oil return pipe T, and the first electromagnetic ball valve 4.1 is respectively connected with the second cartridge valve 2.2 and the third cartridge valve 2.3; the second cartridge valve 2.2 and the third cartridge valve 2.3 are respectively connected with a rod cavity and a rodless cavity of the first pressing cylinder 6.1, and a first overflow valve 5.1 is connected between the rod cavity of the first pressing cylinder 6.1 and the main oil return pipe T; a first built-in displacement sensor 7.1 is mounted inside the piston rod of the first depression cylinder 6.1. The accurate control of the displacement of the piston rod of the first depressing cylinder 6.1 requires the first depressing cylinder 6.1 and the first servo valve 3.1 to form a position closed loop through the first built-in displacement sensor 7.1 for online dynamic adjustment.

The second screwdown hydraulic system comprises a second reducing valve 1.2, a fourth cartridge valve 2.4, a fifth cartridge valve 2.5, a sixth cartridge valve 2.6, a second servo valve 3.2, a second electromagnetic ball valve 4.2, a second overflow valve 5.2 and a second screwdown cylinder 6.2, and the principle and the structure of the first screwdown hydraulic system and the second screwdown hydraulic system are the same. A second built-in displacement sensor 7.2 is mounted inside the piston rod of the second depression cylinder 6.2. The accurate control of the displacement of the piston rod of the second pressing cylinder 6.2 requires the second pressing cylinder 6.2 and the second servo valve 3.2 to form a position closed loop through the second built-in displacement sensor 7.2 for online dynamic adjustment.

The horizontal roll gap adjusting hydraulic system comprises a first horizontal roll gap adjusting hydraulic system and a second horizontal roll gap adjusting hydraulic system which are identical in structure; the first horizontal roll gap adjusting hydraulic system comprises a first proportional reversing valve 9.1 connected with a main oil return pipe T, and the first proportional reversing valve 9.1 is connected with a first hydraulic control one-way valve 8.1, a second hydraulic control one-way valve 8.2 and a third hydraulic control one-way valve 8.3; a third electromagnetic ball valve 4.3 is connected between the control oil pipe X and the main oil return pipe T, and the third electromagnetic ball valve 4.3 and the oil drain pipe Y are respectively connected with a first hydraulic control one-way valve 8.1, a second hydraulic control one-way valve 8.2 and a third hydraulic control one-way valve 8.3; a third pressure reducing valve 3 is connected between the first hydraulic control one-way valve 8.1 and the main pressure oil pipe P, and the first hydraulic control one-way valve 8.1 is respectively connected with a second hydraulic control one-way valve 8.2 and a third hydraulic control one-way valve 8.3; the second hydraulic control one-way valve 8.2 and the third hydraulic control one-way valve 8.3 are respectively communicated with a rodless cavity and a rod cavity of the first horizontal roll gap adjusting hydraulic cylinder 10.1, and a third overflow valve 5.3 is connected between the rodless cavity of the first horizontal roll gap adjusting hydraulic cylinder 10.1 and the main oil return pipe T. A third built-in displacement sensor 7.3 is arranged inside a piston rod of the first horizontal roll gap adjusting hydraulic cylinder 10.1. The accurate control of the displacement of the piston rod of the first horizontal roll gap adjusting hydraulic cylinder 10.1 requires that the first horizontal roll gap adjusting hydraulic cylinder 10.1 and the first proportional directional valve 9.1 form a position closed loop through the third built-in displacement sensor 7.3 to carry out online dynamic adjustment.

The principle and the structure of the first horizontal roll gap adjusting hydraulic system and the second horizontal roll gap adjusting hydraulic system are the same. The second horizontal roll gap adjusting hydraulic system comprises a fourth reducing valve 1.4, a fourth hydraulic control one-way valve 8.4, a second proportional reversing valve 9.2, a fifth hydraulic control one-way valve 8.5, a sixth hydraulic control one-way valve 8.6, a fourth electromagnetic ball valve 4.4, a fourth overflow valve 5.4 and a second horizontal roll gap adjusting hydraulic cylinder 10.2. A fourth built-in displacement sensor 7.4 is arranged inside a piston rod of the second horizontal roll gap adjusting hydraulic cylinder 10.2. The accurate control of the piston rod displacement of the second horizontal roll gap adjusting hydraulic cylinder 10.2 requires the second horizontal roll gap adjusting hydraulic cylinder 10.2 and the second proportional directional valve 9.2 to form a position closed loop through the fourth built-in displacement sensor 7.4 for online dynamic adjustment.

Further optimizing scheme still includes the sideslip hydraulic system of control cylinder arch 211 work, and the sideslip hydraulic system includes the same first sideslip hydraulic system of structure and second sideslip hydraulic system.

The first transverse moving hydraulic system comprises a third proportional reversing valve 9.3 connected with a main oil return pipe T, and the third proportional reversing valve 9.3 is connected with a seventh hydraulic control one-way valve 8.7 and an eighth hydraulic control one-way valve 8.8; a fifth electromagnetic ball valve 4.5 is connected between the control oil pipe X and the main oil return pipe T, and the fifth electromagnetic ball valve 4.5 and the main oil return pipe T are respectively connected with a seventh hydraulic control one-way valve 8.7 and an eighth hydraulic control one-way valve 8.8; a fifth reducing valve 5 is connected between the seventh hydraulic control one-way valve 8.7 and the main pressure oil pipe P; the eighth hydraulic control one-way valve 8.8 is connected with a rodless cavity of the first transverse hydraulic cylinder 11, and a fifth overflow valve 5.5 is connected between the rodless cavity of the first transverse hydraulic cylinder 11 and the main oil return pipe T; a fifth built-in displacement sensor 7.5 is arranged in a piston rod of the first transverse moving hydraulic cylinder 11.1.

The principle and the structure of the first transverse moving hydraulic system and the second transverse moving hydraulic system are the same. The second transverse moving hydraulic system comprises a sixth pressure reducing valve 1.6, a ninth hydraulic control one-way valve 8.9, a fourth proportional directional valve 9.4, a tenth hydraulic control one-way valve 8.10, a second transverse moving hydraulic cylinder 11.2, a sixth electromagnetic ball valve 4.6 and a sixth overflow valve 5.6, and a sixth built-in displacement sensor 7.6 is installed inside a piston rod of the second transverse moving hydraulic cylinder 11.2. And a reversing oil way is connected between two groups of rod cavities on the first transverse hydraulic cylinder 11 and the second transverse hydraulic cylinder 12, a reversing valve 12 is connected between the reversing oil way and the main pressure oil pipe P, and a seventh overflow valve 5.7 is connected between the reversing oil way and the main oil return pipe T.

The accurate control of the displacement of the piston rod of the first traverse hydraulic cylinder 11.1 requires that the first traverse hydraulic cylinder 11.1 and the third proportional directional valve 9.3 form a position closed loop through a fifth built-in displacement sensor 7.5 for online dynamic adjustment; the accurate control of the displacement of the piston rod of the second traverse hydraulic cylinder 11.2 requires the second traverse hydraulic cylinder 11.2 and the fourth proportional directional valve 9.4 to form a position closed loop through the sixth built-in displacement sensor 7.6 for online dynamic adjustment.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.