CN111360147A - Ultrasonic energy field device for improving surface quality of precision foil - Google Patents
Ultrasonic energy field device for improving surface quality of precision foil Download PDFInfo
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- CN111360147A CN111360147A CN202010289326.6A CN202010289326A CN111360147A CN 111360147 A CN111360147 A CN 111360147A CN 202010289326 A CN202010289326 A CN 202010289326A CN 111360147 A CN111360147 A CN 111360147A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D33/00—Special measures in connection with working metal foils, e.g. gold foils
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/05—Stretching combined with rolling
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Abstract
The invention discloses an ultrasonic energy field device for improving the surface quality of a precision foil, which comprises an upper working roll ultrasonic energy field application device, a lower working roll ultrasonic energy field application device, an upper working roll and a lower working roll, wherein the upper working roll ultrasonic energy field device and the lower working roll ultrasonic energy field device both comprise: the conductive slip ring is used for receiving a high-frequency electric signal generated by an ultrasonic power supply in an external ultrasonic energy field device; the transducer is used for converting an electric signal into ultrasonic vibration and transmitting the ultrasonic vibration to a vibration transmission rod and an amplitude transformer which are connected with the ultrasonic transducer; the vibration transmission rod is used for transmitting vibration waves; the amplitude transformer is used for amplifying the vibration waves; the amplitude transformer is connected with a working roll; the dynamic servo hydraulic system is used for realizing the position adjustment of the working roll. By using the technology of the invention, the manufactured foil has smaller surface roughness, smaller residual stress and stronger corrosion resistance.
Description
Technical Field
The invention relates to the technical field of stretch bending, straightening and finishing of foils, in particular to an ultrasonic energy field device for improving the surface quality of precision foils.
Background
In recent years, with the continuous deepening and wide industrialization of industrial 4.0/5.0 intellectualization, products tend to be miniaturized, and the rapid development of micro-forming theory and micro-processing technology is promoted. The precision foil is used as an important industrial raw material in industrial intelligent manufacturing/micro processing, has excellent performances such as precision, corrosion resistance, surface finish and the like, and is widely applied to the fields of aerospace, military, national defense, electronic communication, instruments and meters and the like. With the rapid development of high and new technical fields such as micro-manufacturing, micro-electronics and the like, more rigorous requirements are put forward on the comprehensive performance of the foil.
Although the hot strip, cold rolling mill and straightening equipment are advanced, the flatness and surface quality of the rolled strip shape are improved to a great extent. However, the precision foil produced at present mainly has the defects of large surface roughness, weak surface corrosion resistance, large residual stress and the like, and cannot meet the requirements of precision industries such as instruments, electronic circuits, aerospace and the like on the comprehensive performance of the precision foil.
The ultrasonic energy field is introduced in the plastic processing of the material, so that the structure of the material surface microprotrusions can be softened, and the yield strength of the surface microprotrusions is reduced. Under the same contact force, because the yield strength of the surface microprotrusions is reduced under the action of the ultrasonic energy field, the surface microprotrusions are easier to generate plastic deformation, the whole surface structure is easier to be flattened, and simultaneously crystal grains can be refined, so that the surface roughness is finally reduced, the surface quality is improved, the residual stress is reduced, and the corrosion resistance is improved.
Disclosure of Invention
The invention aims to provide an ultrasonic energy field device for improving the surface quality of a precision foil, which aims to solve the problems in the prior art, and utilizes an ultrasonic wave generating device to realize the ultrasonic vibration of a working roller of a tension leveler, and the ultrasonic vibration interacts with the foil, so that the foil is softened, the plastic deformation capacity of the foil is increased, crystal grains can be refined, the residual stress in the foil is easier to release, and the surface quality and the corrosion resistance of a strip shape are improved.
In order to achieve the purpose, the invention provides the following scheme: the invention provides an ultrasonic energy field device for improving the surface quality of a precision foil, which comprises an upper working roll ultrasonic energy field applying device, a lower working roll ultrasonic energy field applying device, an upper working roll and a lower working roll, wherein the upper working roll ultrasonic energy field device and the lower working roll ultrasonic energy field device both comprise: the conductive slip ring is used for receiving a high-frequency electric signal generated by an ultrasonic power supply in an external ultrasonic energy field device; the transducer is used for converting an electric signal into ultrasonic vibration and transmitting the ultrasonic vibration to a vibration transmission rod and an amplitude transformer which are connected with the ultrasonic transducer; the vibration transmission rod is used for transmitting vibration waves; the amplitude transformer is used for amplifying the vibration waves; the amplitude transformer is connected with a working roll; the dynamic servo hydraulic system is used for realizing the position adjustment of the working roll.
Preferably, the power value of the ultrasonic energy field device is 500-10000W, and the vibration frequency is 20-50 KHz.
Preferably, different numbers of ultrasonic energy field devices are selected and installed according to different surface quality requirements of the precision foil.
Preferably, the dynamic servo hydraulic system of the lower ultrasonic energy field application device comprises a transverse moving servo hydraulic cylinder and a lead screw; the transverse moving servo hydraulic cylinder is connected with the lower working roll through a lower ultrasonic energy field application device, and the lead screw is used for adjusting the initial height of the amplitude transformer and ensuring the height consistency of the amplitude transformer and the lower working roll;
the dynamic servo hydraulic system of the upper ultrasonic energy field application device comprises a transverse moving servo hydraulic cylinder and a lifting and pressing precision servo hydraulic cylinder, the transverse moving servo hydraulic cylinder is connected with the upper working roll through the upper ultrasonic energy field application device, and the transverse moving servo hydraulic cylinder is dynamically adjusted to realize constant force between the amplitude transformer and the upper working roll; the lifting and pressing precise servo hydraulic cylinder is used for adjusting the initial height of the amplitude transformer and the dynamic height in the rolling process, and the height of the amplitude transformer is consistent with that of the upper working roll.
Preferably, the transverse moving servo hydraulic cylinder of the upper working roll comprises a first transverse moving servo hydraulic cylinder hydraulic pressure of the upper working roll and a second transverse moving servo hydraulic cylinder hydraulic pressure of the upper working roll, and the transverse moving servo hydraulic cylinder of the lower working roll comprises a first transverse moving servo hydraulic cylinder hydraulic system of the lower working roll and a second transverse moving servo hydraulic cylinder hydraulic system of the lower working roll; the four transverse moving servo hydraulic cylinders are communicated in a principle structure.
Preferably, the device further comprises a displacement sensor, wherein the displacement sensor is used for feeding back the actual displacement of the press-down lifting of the stretch bending straightener.
Preferably, the upper work roll first traverse servo hydraulic cylinder includes: the hydraulic control system comprises a first pressure reducing valve, a first hydraulic control one-way valve, a second hydraulic control one-way valve, a third hydraulic control one-way valve, a first electromagnetic ball valve, a first proportional valve, a first built-in displacement sensor, a first force sensor and an upper working roll first transverse moving servo hydraulic cylinder;
the second traverse servo hydraulic cylinder of the upper work roll includes: the second pressure reducing valve, the fourth hydraulic control one-way valve, the fifth hydraulic control one-way valve, the sixth hydraulic control one-way valve, the second electromagnetic ball valve, the second proportional valve, the second built-in displacement sensor, the second force sensor and the second transverse moving servo hydraulic cylinder of the upper working roll;
the first transverse moving servo hydraulic cylinder of the lower working roll comprises: a third pressure reducing valve, a seventh hydraulic control one-way valve, an eighth hydraulic control one-way valve, a ninth hydraulic control one-way valve, a third electromagnetic ball valve, a third proportional valve, a third built-in displacement sensor, a third force sensor and a lower working roll first transverse moving servo hydraulic cylinder;
the lower working roll second transverse moving servo hydraulic cylinder comprises: the hydraulic control system comprises a fourth pressure reducing valve, a tenth hydraulic control one-way valve, an eleventh hydraulic control one-way valve, a twelfth hydraulic control one-way valve, a fourth electromagnetic ball valve, a fourth proportional valve, a fourth built-in displacement sensor, a fourth force sensor and a lower working roll second transverse moving servo hydraulic cylinder.
Preferably, a rodless cavity of the first transverse moving servo hydraulic cylinder of the upper working roll is connected with a first proportional overflow valve in parallel; and a first built-in displacement sensor is arranged in a piston rod of the first transverse moving servo hydraulic cylinder of the upper working roll.
Preferably, the lift-and-push-down servo hydraulic cylinder system comprises: the hydraulic system comprises a fifth pressure reducing valve, a fifth electromagnetic ball valve, a fifth proportional overflow valve, a fifth built-in displacement sensor, a first cartridge valve, a second cartridge valve, a third cartridge valve, a lifting and pressing servo hydraulic cylinder and a servo valve; and a fifth built-in displacement sensor is arranged in a piston rod of the lifting and pressing servo hydraulic cylinder.
The invention discloses the following technical effects: the invention discloses an ultrasonic energy field device for improving the surface quality of a precise foil, which is designed for respectively modifying the end parts of an upper working roll and a lower working roll of a twenty-three-roll stretch-bending straightening machine, and realizes the on-line control of transverse movement, pressing down and lifting of the ultrasonic energy field device in the stretch-bending process. In the process of stretch bending and straightening of the precision foil, an external ultrasonic energy field device transmits a high-frequency electric signal generated by an ultrasonic power supply to an ultrasonic transducer through a conductive slip ring, the transducer converts the electric signal into ultrasonic vibration and transmits the ultrasonic vibration to a vibration transmission rod and an amplitude transformer which are connected with the transducer, and the ultrasonic energy field with specific amplitude acts on the surface of the precision foil through a working roll through the transmission of the vibration transmission rod and the amplification of the amplitude transformer. In addition, the foil surface micro-convex body structure can be softened in an ultrasonic energy field, the whole surface structure is easier to be flattened, and simultaneously crystal grains can be refined, so that the surface roughness is reduced, the surface quality is improved, the residual stress is reduced, and the corrosion resistance of the foil is enhanced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used 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 inventive exercise.
FIG. 1 is a schematic view of a twenty-three-roll stretch bending straightener;
FIG. 2 is a lower work roll ultrasonic energy field apparatus;
FIG. 3 is an upper work roll ultrasonic energy field apparatus;
FIG. 4 is a schematic diagram of a hydraulic system of a traversing servo hydraulic cylinder of the present invention;
FIG. 5 is a schematic diagram of a hydraulic system for pressing and lifting a precision servo hydraulic cylinder according to the present invention;
in fig. 2: 1-a conductive slip ring; 2-a bearing; 3-fixing the outer sleeve; 4-an inner sleeve; 5-a transducer; 6-baffle ring; 7-a vibration transmission rod; 8-a retainer ring; 9-a horn; 10-a work roll; 12-a lead screw;
in fig. 3: 1-a conductive slip ring; 2-a bearing; 3-fixing the outer sleeve; 4-an inner sleeve; 5-a transducer; 6-baffle ring; 7-a vibration transmission rod; 8-a retainer ring; 9-a horn; 11-a transverse moving servo hydraulic cylinder; 13-lifting and pressing down the precision servo hydraulic cylinder; 14-upper work roll;
in fig. 4: YVH1, YVH2, YVH3, YVH 4-electromagnets, YB1.1, YB1.2, YB1.3, YB1.4, YB1.5, YB1.6, YB1.7, YB1.8, YB2.1, YB2.2, YB2.3, YB 2.4-proportional electromagnets, 1.1-first pressure reducing valve, 1.2-second pressure reducing valve, 1.3-third pressure reducing valve, 1.4-fourth pressure reducing valve, 2.1-first pilot operated check valve, 2.2-second pilot operated check valve, 2.3-third pilot operated check valve, 2.4-fourth pilot operated check valve, 2.5-fifth pilot operated check valve, 2.6-sixth pilot operated check valve, 2.7-seventh pilot operated check valve, 2.8-eighth pilot operated check valve, 2.9-ninth pilot operated check valve, 2.10-tenth pilot operated check valve, 2.6-sixth pilot operated check valve, 2.7-seventh pilot operated check valve, 2.8-eighth pilot operated check valve, 2.9-ninth pilot operated check valve, 2.10-eleventh pilot operated check valve, 2.3-twelfth pilot operated check valve, electromagnetic ball valve, electromagnetic pilot operated ball valve, 3.4-a fourth electromagnetic ball valve, 4.1-a first proportional valve, 4.2-a second proportional valve, 4.3-a third proportional valve, 4.4-a fourth proportional valve, 5.1-a first proportional relief valve, 5.2-a second proportional relief valve, 5.3-a third proportional relief valve, 5.4-a fourth proportional relief valve, 6.1-a first built-in displacement sensor, 6.2-a second built-in displacement sensor, 6.3-a third built-in displacement sensor, 6.4-a fourth built-in displacement sensor, 7.1-a first force sensor, 7.2-a second force sensor, 7.3-a third force sensor, 7.4-a fourth force sensor, 11.1-an upper work roll first traverse servo hydraulic cylinder, 11.2-an upper work roll second traverse servo hydraulic cylinder, 11.3-a lower work roll first traverse servo hydraulic cylinder, and 11.4-a lower work roll second traverse servo hydraulic cylinder;
in fig. 5: YB2.5 proportional electromagnets, YVH5, YVH6, YVH7, YVH8 electromagnets, YD1 servo valve drive reversing device, 1.5 fifth reducing valve, 3.5 fifth electromagnetic ball valve, 5.5 fifth proportional overflow valve, 6.5 fifth built-in displacement sensor, 9.1 first cartridge valve, 9.2 second cartridge valve, 9.3 third cartridge valve and 15 servo valve;
x-control oil pipe, P-main pressure oil pipe, T-main oil return pipe and Y-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. 1-5, the invention provides an ultrasonic energy field device for improving the surface quality of a precision foil, which comprises an upper working roll ultrasonic energy field applying device, a lower working roll ultrasonic energy field applying device, an upper working roll 14 and a lower working roll 10, wherein the upper working roll ultrasonic energy field device and the lower working roll ultrasonic energy field device both comprise: the conductive slip ring 1 is used for receiving a high-frequency electric signal generated by an ultrasonic power supply in an external ultrasonic energy field device; the transducer 5 is used for converting an electric signal into ultrasonic vibration and transmitting the ultrasonic vibration to a vibration transmission rod 7 and a amplitude transformer 9 which are connected with the ultrasonic transducer 5; the vibration transmission rod 7 is used for transmitting vibration waves; the amplitude transformer 9 is connected with a working roller; the dynamic servo hydraulic system is used for realizing the position adjustment of the working roll.
According to the further optimized scheme, the upper working roll ultrasonic energy field applying device and the lower working roll ultrasonic energy field applying device are respectively installed on the operation side and the non-operation side of the stretch bending straightening machine.
According to a further optimized scheme, the power value of the ultrasonic energy field device is 500-10000W, and the vibration frequency is 20-50 KHz.
Further optimizing the scheme, selecting and installing different numbers of ultrasonic energy field devices according to different surface quality requirements of the precision foil.
In a further optimized scheme, the dynamic servo hydraulic system of the lower ultrasonic energy field application device comprises a transverse moving servo hydraulic cylinder 11 and a lead screw 12; the transverse servo hydraulic cylinder 11 is connected with the lower working roll 10 through a lower ultrasonic energy field application device, in order to avoid the damage to the amplitude transformer 9 and the lower working roll 10 caused by too large force generated at the end part of the working roll in the finishing process, the constant force between the amplitude transformer 9 and the lower working roll 10 is realized by dynamically adjusting the transverse servo hydraulic cylinder 11, and the lead screw 12 is used for adjusting the initial height of the amplitude transformer 9 and ensuring the height consistency of the amplitude transformer 9 and the lower working roll 10;
the dynamic servo hydraulic system of the upper ultrasonic energy field application device comprises a transverse moving servo hydraulic cylinder 11 and a lifting and pressing precision servo hydraulic cylinder 13, the transverse moving servo hydraulic cylinder 11 is connected with the upper working roll 14 through the upper ultrasonic energy field application device, so that in order to avoid generating too large force with the end part of the working roll to damage the amplitude transformer 9 and the upper working roll 14, the constant force between the amplitude transformer 9 and the upper working roll 14 is realized by dynamically adjusting the transverse moving servo hydraulic cylinder 11; the lifting and pressing precise servo hydraulic cylinder 13 is used for adjusting the initial height of the amplitude transformer 9 and the dynamic height in the rolling process, and the height of the amplitude transformer 9 is ensured to be consistent with that of the upper working roll 14.
According to a further optimization scheme, the transverse moving servo hydraulic cylinder 11 of the upper working roll comprises a first transverse moving servo hydraulic cylinder hydraulic pressure of the upper working roll and a second transverse moving servo hydraulic cylinder hydraulic pressure of the upper working roll, and the transverse moving servo hydraulic cylinder 11 of the lower working roll comprises a first transverse moving servo hydraulic cylinder hydraulic system of the lower working roll and a second transverse moving servo hydraulic cylinder hydraulic system of the lower working roll; the four transverse moving servo hydraulic cylinders are communicated in a principle structure.
The further optimization scheme comprises a displacement sensor, wherein the displacement sensor is used for feeding back the actual displacement lifted by the stretch bending straightener; the ultrasonic energy field device matched with the upper working roll 14 ensures that the amplitude transformer 9 and the upper working roll 14 keep consistent in height in the pressing and lifting processes of the stretch bending straightener, and the actual displacement pressed and lifted by the stretch bending straightener is fed back by the displacement sensor to timely adjust the lifting and pressing precision servo hydraulic cylinder 13, so that the amplitude transformer 9 and the upper working roll 14 are kept parallel.
According to the further optimized scheme, in order to avoid interference between the ultrasonic energy field devices of the upper working roll and the lower working roll, the ultrasonic energy field applying devices of the upper working roll and the lower working roll are respectively arranged on the operation side and the non-operation side of the stretch bending straightening machine.
The invention also discloses a hydraulic system of the ultrasonic energy field device for improving the surface quality of the precision foil, which comprises a dynamic servo hydraulic system, wherein the dynamic servo hydraulic system comprises a transverse moving servo hydraulic cylinder hydraulic system and a lifting and pressing servo hydraulic cylinder hydraulic system;
the transverse moving servo hydraulic cylinder hydraulic system comprises an upper working roll first transverse moving servo hydraulic cylinder hydraulic system, an upper working roll second transverse moving servo hydraulic cylinder hydraulic system, a lower working roll first transverse moving servo hydraulic cylinder hydraulic system and a lower working roll second transverse moving servo hydraulic cylinder hydraulic system; the four hydraulic systems of the transverse moving servo hydraulic cylinder are communicated in principle and structure.
In a further optimized scheme, the first transverse moving servo hydraulic cylinder of the upper working roll comprises: the hydraulic control system comprises a first pressure reducing valve 1.1, a first hydraulic control one-way valve 2.1, a second hydraulic control one-way valve 2.2, a third hydraulic control one-way valve 2.3, a first electromagnetic ball valve 3.1, a first proportional valve 4.1, a first built-in displacement sensor 6.1, a first force sensor 7.1 and an upper working roll first transverse moving servo hydraulic cylinder 11.1.
The second traverse servo hydraulic cylinder of the upper work roll includes: a second pressure reducing valve 1.2, a fourth hydraulic control one-way valve 2.4, a fifth hydraulic control one-way valve 2.5, a sixth hydraulic control one-way valve 2.6, a second electromagnetic ball valve 3.2, a second proportional valve 4.2, a second built-in displacement sensor 6.2, a second force sensor 7.2 and an upper working roll second transverse moving servo hydraulic cylinder 11.2;
the first transverse moving servo hydraulic cylinder of the lower working roll comprises: a third pressure reducing valve 1.3, a seventh hydraulic control one-way valve 2.7, an eighth hydraulic control one-way valve 2.8, a ninth hydraulic control one-way valve 2.9, a third electromagnetic ball valve 3.3, a third proportional valve 4.3, a third built-in displacement sensor 6.3, a third force sensor 7.3 and a lower working roll first transverse moving servo hydraulic cylinder 11.3;
the lower working roll second transverse moving servo hydraulic cylinder comprises: a fourth pressure reducing valve 1.4, a tenth hydraulic control one-way valve 2.10, an eleventh hydraulic control one-way valve 2.11, a twelfth hydraulic control one-way valve 2.12, a fourth electromagnetic ball valve 3.4, a fourth proportional valve 4.4, a fourth built-in displacement sensor 6.4, a fourth force sensor 7.4 and a lower working roll second transverse moving servo hydraulic cylinder 11.4;
in a further optimized scheme, a rodless cavity of the first transverse moving servo hydraulic cylinder 11.1 of the upper working roll is connected with a first proportional overflow valve 5.1 in parallel; and a first built-in displacement sensor 6.1 is arranged in a piston rod of the first transverse moving servo hydraulic cylinder 11.1 of the upper working roll.
A rodless cavity of the upper working roll second transverse moving servo hydraulic cylinder 11.2 is connected with a second proportional overflow valve 5.2 in parallel; and a second built-in displacement sensor 6.2 is arranged in a piston rod of the upper working roll second transverse moving servo hydraulic cylinder 11.2.
A rodless cavity of the lower working roll first transverse moving servo hydraulic cylinder 11.3 is connected with a third proportional overflow valve 5.3 in parallel; and a third built-in displacement sensor 6.3 is arranged in a piston rod of the lower working roll first transverse moving servo hydraulic cylinder 11.3.
A rodless cavity of the lower working roll second transverse moving servo hydraulic cylinder 11.4 is connected with a fourth proportional overflow valve 5.4 in parallel; and a fourth built-in displacement sensor 6.4 is arranged in a piston rod of the lower working roll second transverse moving servo hydraulic cylinder 11.4.
In a further optimized scheme, the lifting and pressing servo hydraulic cylinder system comprises: a fifth pressure reducing valve 1.5, a fifth electromagnetic ball valve 3.5, a fifth proportional overflow valve 5.5, a fifth built-in displacement sensor 6.5, a first cartridge valve 9.1, a second cartridge valve 9.2, a third cartridge valve 9.3, a lifting and pressing servo hydraulic cylinder 13 and a servo valve 14; a fifth built-in displacement sensor 6.5 is arranged inside a piston rod of the lifting and pressing servo hydraulic cylinder 13.
According to a further optimized scheme, a rodless cavity of the lifting and pressing servo hydraulic cylinder is connected with a fifth proportional overflow valve 5.5 in parallel; and a fifth built-in displacement sensor is arranged in a piston rod of the lifting and pressing servo hydraulic cylinder.
The working process is as follows: and ultrasonic energy fields are respectively applied to the upper and lower working rolls at the inlet and the upper and lower working rolls at the outlet of the twenty-three-roll stretch-bending straightening machine, and the transverse movement, the pressing-down and the lifting-up of the ultrasonic energy field device in the stretch-straightening process are controlled on line.
In order to avoid interference between the ultrasonic energy field devices of the upper and lower working rolls in the embodiment, the ultrasonic energy field applying devices of the upper and lower working rolls are respectively arranged on the operating side and the non-operating side of the stretch bending straightener. In the foil stretch bending straightening process, an external ultrasonic energy field device transmits a high-frequency electric signal generated by an ultrasonic power supply to an ultrasonic transducer 5 through a conductive slip ring 1 to convert the electric signal into ultrasonic vibration, and transmits the ultrasonic vibration to a vibration transmission rod 7 and an amplitude variation rod 9 which are connected with the ultrasonic vibration transmission rod, and the ultrasonic energy field with specific amplitude acts on the surface of the foil through a working roller through the transmission of the vibration transmission rod and the amplification of the amplitude variation rod, so that the quality of the surface of the foil is finally improved, the residual stress is reduced, and the corrosion resistance of the foil is enhanced.
In the AGC dynamic adjustment process of a working roll system on a straightener, the control of constant contact force between an amplitude transformer 9 and a working roll 10 requires a transverse servo hydraulic cylinder 11 and a force sensor to form a pressure closed loop for online dynamic adjustment; the accurate control of the piston rod displacement of the traversing servo hydraulic cylinder 11 requires the online dynamic adjustment of a position closed loop formed by the traversing servo hydraulic cylinder 11 and a proportional valve through a built-in displacement sensor, so that the accurate control of the position of the amplitude transformer 9 is realized.
The working process of the dynamic servo hydraulic system is as follows:
the accurate control of the constant contact force of the first transverse moving servo hydraulic cylinder 11.1 of the upper working roll is ensured by a pressure closed loop formed by the first proportional overflow valve 5.1 and the first force sensor 7.1; the accurate control of the displacement of the piston rod of the first transverse moving servo hydraulic cylinder 11.1 of the upper working roll requires that the first transverse moving servo hydraulic cylinder 11.1 of the upper working roll and the first proportional valve 4.1 form a position closed loop through a first built-in displacement sensor 6.1 to carry out online dynamic adjustment;
the accurate control of the constant contact force of the second transverse moving servo hydraulic cylinder 11.2 of the upper working roll is ensured by a pressure closed loop formed by the second proportional overflow valve 5.2 and the second force sensor 7.2; the accurate control of the piston rod displacement of the second transverse moving servo hydraulic cylinder 11.2 of the upper working roll requires that the second transverse moving servo hydraulic cylinder 11.2 of the upper working roll and a second proportional valve 4.2 form a position closed loop through a second built-in displacement sensor 6.2 for online dynamic adjustment;
the accurate control of the constant contact force of the first transverse moving servo hydraulic cylinder 11.3 of the lower working roll is ensured by a pressure closed loop formed by a third proportional overflow valve 5.3 and a third force sensor 7.3; the accurate control of the piston rod displacement of the lower working roll first transverse moving servo hydraulic cylinder 11.3 requires that the lower working roll first transverse moving servo hydraulic cylinder 11.3 and the third proportional valve 4.3 form a position closed loop through a third built-in displacement sensor 6.3 for online dynamic adjustment;
the accurate control of the constant contact force of the second transverse moving servo hydraulic cylinder 11.4 of the lower working roll is ensured by a pressure closed loop formed by a fourth proportional overflow valve 5.4 and a fourth force sensor 7.4; the accurate control of the piston rod displacement of the second transverse moving servo hydraulic cylinder 11.4 of the lower working roll requires the position closed loop formed by the second transverse moving servo hydraulic cylinder 11.4 of the lower working roll and a fourth proportional valve 4.4 through a fourth built-in displacement sensor 6.4 to carry out online dynamic adjustment;
when the upper roll system is pressed down or lifted up, the control that the amplitude transformer and the working roll are kept parallel at any time needs to be implemented by precisely adjusting the pressing and lifting servo hydraulic cylinder 13 and the servo valve 14 to form a position closed loop through the fifth built-in displacement sensor 6.5.
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.
Claims (9)
1. The utility model provides an improve accurate foil surface quality's ultrasonic energy field device which characterized in that: including last working roll ultrasonic energy field application device, working roll ultrasonic energy field application device down, go up working roll (14), working roll (10) down, it all includes to go up working roll ultrasonic energy field device, working roll ultrasonic energy field device down:
the conductive slip ring (1) is used for receiving a high-frequency electric signal generated by an ultrasonic power supply in an external ultrasonic energy field device;
the transducer (5) is used for converting an electric signal into ultrasonic vibration and transmitting the ultrasonic vibration to a vibration transmission rod (7) and a variable amplitude rod (9) which are connected with the ultrasonic transducer (5);
the vibration transmission rod (7) is used for transmitting vibration waves;
the amplitude transformer (9) is used for amplifying the vibration wave;
the amplitude transformer (9) is connected with a working roller;
the dynamic servo hydraulic system is used for realizing the position adjustment of the working roll.
2. The ultrasonic energy field device for improving the surface quality of the precision foil as claimed in claim 1, wherein: the power value of the ultrasonic energy field device is 500-10000W, and the vibration frequency is 20-50 KHz.
3. The ultrasonic energy field device for improving the surface quality of the precision foil as claimed in claim 1, wherein: and selecting and installing different numbers of ultrasonic energy field devices according to different surface quality requirements of the precision foil.
4. The ultrasonic energy field device for improving the surface quality of the precision foil as claimed in claim 1, wherein: the dynamic servo hydraulic system of the lower ultrasonic energy field application device comprises a transverse moving servo hydraulic cylinder (11) and a lead screw (12); the transverse moving servo hydraulic cylinder (11) is connected with the lower working roll (10) through a lower ultrasonic energy field application device, and the lead screw (12) is used for adjusting the initial height of the amplitude transformer (9) and ensuring that the heights of the amplitude transformer (9) and the lower working roll (10) are consistent;
the dynamic servo hydraulic system of the upper ultrasonic energy field application device comprises a transverse moving servo hydraulic cylinder (11) and a lifting and pressing precision servo hydraulic cylinder (13), the transverse moving servo hydraulic cylinder (11) is connected with the upper working roll (14) through the upper ultrasonic energy field application device, and the transverse moving servo hydraulic cylinder (11) is dynamically adjusted to realize constant force between the amplitude transformer (9) and the upper working roll (14); the lifting and pressing precise servo hydraulic cylinder (13) is used for adjusting the initial height of the amplitude transformer (9) and the dynamic height in the rolling process, and the height of the amplitude transformer (9) is consistent with that of the upper working roll (14).
5. The ultrasonic energy field device for improving the surface quality of the precision foil as claimed in claim 4, wherein: the transverse moving servo hydraulic cylinder (11) of the upper working roll comprises hydraulic pressure of a first transverse moving servo hydraulic cylinder of the upper working roll and hydraulic pressure of a second transverse moving servo hydraulic cylinder of the upper working roll; the transverse moving servo hydraulic cylinder (11) of the lower working roll comprises a first transverse moving servo hydraulic cylinder hydraulic system of the lower working roll and a second transverse moving servo hydraulic cylinder hydraulic system of the lower working roll; the four transverse moving servo hydraulic cylinders are communicated in a principle structure.
6. The ultrasonic energy field device for improving the surface quality of the precision foil as claimed in claim 1, wherein: the device also comprises a displacement sensor, wherein the displacement sensor is used for feeding back the actual displacement lifted by the stretch bending straightener.
7. The ultrasonic energy field device for improving the surface quality of the precision foil as claimed in claim 5, wherein: the first transverse moving servo hydraulic cylinder of the upper working roll comprises: the hydraulic control system comprises a first pressure reducing valve (1.1), a first hydraulic control one-way valve (2.1), a second hydraulic control one-way valve (2.2), a third hydraulic control one-way valve (2.3), a first electromagnetic ball valve (3.1), a first proportional valve (4.1), a first built-in displacement sensor (6.1), a first force sensor (7.1) and an upper working roll first transverse moving servo hydraulic cylinder (11.1);
the second traverse servo hydraulic cylinder of the upper work roll includes: the hydraulic control system comprises a second pressure reducing valve (1.2), a fourth hydraulic control one-way valve (2.4), a fifth hydraulic control one-way valve (2.5), a sixth hydraulic control one-way valve (2.6), a second electromagnetic ball valve (3.2), a second proportional valve (4.2), a second built-in displacement sensor (6.2), a second force sensor (7.2) and an upper working roll second transverse moving servo hydraulic cylinder (11.2);
the first transverse moving servo hydraulic cylinder of the lower working roll comprises: a third pressure reducing valve (1.3), a seventh hydraulic control one-way valve (2.7), an eighth hydraulic control one-way valve (2.8), a ninth hydraulic control one-way valve (2.9), a third electromagnetic ball valve (3.3), a third proportional valve (4.3), a third built-in displacement sensor (6.3), a third force sensor (7.3) and a lower working roll first transverse moving servo hydraulic cylinder (11.3);
the lower working roll second transverse moving servo hydraulic cylinder comprises: the hydraulic control system comprises a fourth pressure reducing valve (1.4), a tenth hydraulic control one-way valve (2.10), an eleventh hydraulic control one-way valve (2.11), a twelfth hydraulic control one-way valve (2.12), a fourth electromagnetic ball valve (3.4), a fourth proportional valve (4.4), a fourth built-in displacement sensor (6.4), a fourth force sensor (7.4) and a lower working roll second transverse movement servo hydraulic cylinder (11.4).
8. The ultrasonic energy field device for improving the surface quality of the precision foil as claimed in claim 7, wherein: a rodless cavity of the upper working roll first transverse moving servo hydraulic cylinder (11.1) is connected with a first proportional overflow valve (4.1) in parallel; a first built-in displacement sensor (6.1) is arranged inside a piston rod of the first transverse moving servo hydraulic cylinder (11.1) of the upper working roll.
9. The ultrasonic energy field device for improving the surface quality of the precision foil as claimed in claim 4, wherein: the lift-and-push-down servo hydraulic cylinder system comprises: a fifth pressure reducing valve (1.5), a fifth electromagnetic ball valve (3.5), a fifth proportional overflow valve (5.5), a fifth built-in displacement sensor (6.5), a first cartridge valve (9.1), a second cartridge valve (9.2), a third cartridge valve (9.3), a lifting and pressing servo hydraulic cylinder (13) and a servo valve (14); a fifth built-in displacement sensor (6.5) is arranged inside a piston rod of the lifting and pressing servo hydraulic cylinder (13).
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