CN111438764B - Device and method for processing continuous porous aluminum foil by utilizing ultrasonic waves - Google Patents
Device and method for processing continuous porous aluminum foil by utilizing ultrasonic waves Download PDFInfo
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- CN111438764B CN111438764B CN202010325063.XA CN202010325063A CN111438764B CN 111438764 B CN111438764 B CN 111438764B CN 202010325063 A CN202010325063 A CN 202010325063A CN 111438764 B CN111438764 B CN 111438764B
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- 239000011888 foil Substances 0.000 title claims abstract description 84
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 79
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 79
- 238000000034 method Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 238000009210 therapy by ultrasound Methods 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 239000005030 aluminium foil Substances 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 3
- 238000003672 processing method Methods 0.000 abstract description 4
- 238000007514 turning Methods 0.000 abstract description 3
- 230000003028 elevating effect Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 239000011148 porous material Substances 0.000 description 8
- 230000006378 damage Effects 0.000 description 7
- 238000009826 distribution Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 239000008367 deionised water Substances 0.000 description 4
- 229910021641 deionized water Inorganic materials 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 230000006911 nucleation Effects 0.000 description 3
- 238000010899 nucleation Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 230000001902 propagating effect Effects 0.000 description 2
- 238000000527 sonication Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010329 laser etching Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F3/00—Severing by means other than cutting; Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/01—Means for holding or positioning work
- B26D7/02—Means for holding or positioning work with clamping means
- B26D7/025—Means for holding or positioning work with clamping means acting upon planar surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
- G01N2001/2873—Cutting or cleaving
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Abstract
The invention discloses a device and a method for processing a continuous porous aluminum foil by utilizing ultrasonic waves. The processing method comprises the following steps: 1) flattening the aluminum foil and vertically placing the aluminum foil in an ultrasonic water pool; 2) starting ultrasonic treatment for 3-10 min; 3) turning off the ultrasonic waves, and lifting the beam by the servo motor to drive the sample to be lifted; 4) starting the ultrasonic wave again; 5) circularly executing the steps 2) -4) until the processing target is reached; 6) taking out and dehydrating the mixture and storing the mixture for later use. The aluminum foil is gradually lifted according to preset parameters in the processing process through the arranged specific device, and the equidistant gaps are realized by moving the aluminum foil.
Description
Technical Field
The invention belongs to the technical field of metal processing, and particularly relates to a device and a method for processing a continuous porous aluminum foil by utilizing ultrasonic waves.
Background
The processing method of the porous metal foil material is greatly limited by the thickness and the strength of the foil material to be processed. The metal material has the electric and thermal conductivity, toughness and plastic deformation capability, so that the material reduction technology is prone to be used when the metal surface is punched, such as: mechanical cutting, ion cutting, laser etching, and the like. For the metal foil within a certain thickness range, holes can be formed by cutting, but the process is complex, and the size of the holes is limited.
The technology for processing the metal porous foil by utilizing ultrasonic waves can be used for pore forming on the surface of the metal foil or pore forming on the surface of a metal block, and the pore size range is 2.5-156 mu m. The technology has the characteristics of short processing time, relatively simple technology, environmental protection and the like. However, since the ultrasonic waves are affected by input parameters such as liquid level height and dissipation work and the quality of the material surface when propagating in water, the energy distribution is not uniform, and as a result, with a simple arrangement, the ultrasonic holes tend to be at nodes (standing waves) and in regions of the material surface where bubble nucleation is more likely. The control of the node position is relatively complex, the node intensity of the single-source ultrasonic wave is distributed along the propagation direction in a spindle shape and is limited by parameters such as liquid level height and input power, and the ultrasonic hole distribution and the aperture distribution of the single-source ultrasonic wave are difficult to meet the application scenes with higher requirements, such as: the current collector requires uniform pore distribution and uniform pore diameter. Therefore, a process with higher controllability needs to be developed to meet the application with higher requirement on the pore size distribution.
Disclosure of Invention
In view of the problems in the prior art, the present invention is directed to an apparatus and method for processing a continuous porous aluminum foil using ultrasonic waves. The invention reduces the random damage of the ultrasonic cavitation effect to the material surface by increasing the output frequency of the ultrasonic wave, then uses a specific device, generates micropores on the aluminum foil by the accumulation effect at a specific position by using a node, namely a standing wave point, and then realizes the equidistant gap by moving the aluminum foil.
The invention is realized by the following technical scheme:
the device for processing the continuous porous aluminum foil by utilizing the ultrasonic waves comprises an ultrasonic water tank filled with pure water or deionized water and an ultrasonic source arranged right below the ultrasonic water tank, and is characterized in that the ultrasonic water tank is fixedly arranged at one end of a bottom plate, the other end of the bottom plate is provided with a horizontal sliding rail, and an aluminum foil driving assembly used for driving the aluminum foil to move up and down front and back is arranged on the horizontal sliding rail in a sliding manner.
Utilize continuous porous aluminium foil's of ultrasonic wave processing device, its characterized in that aluminium foil drive assembly includes supporting component, crossbeam, elevating platform and elevating platform actuating mechanism, vertical board and horizontal plate that supporting component includes the integral type setting and the floor of setting in vertical board and horizontal plate side, the bottom of horizontal plate is provided with the slider that uses with the cooperation of horizontal slide rail, the fixed waist type through-hole that is provided with vertical slide rail and is parallel with vertical slide rail on the vertical board, the one end of crossbeam passes behind the waist type through-hole with elevating platform fixed connection, the other end of crossbeam extends to the top of ultrasonic wave basin, the side of elevating platform is provided with the draw-in groove with vertical slide rail joint.
The device for processing the continuous porous aluminum foil by utilizing the ultrasonic waves is characterized in that the lifting platform driving mechanism comprises a screw rod and a servo motor, and one end, far away from the cross beam, of the lifting platform is sleeved and arranged on the screw rod.
The device for processing the continuous porous aluminum foil by using the ultrasonic waves is characterized in that a clamp for clamping the aluminum foil is fixedly arranged at one end of the beam, which is positioned on the ultrasonic water tank, and the aluminum foil is completely immersed in pure water or deionized water and is not contacted with the inner wall of the ultrasonic water tank.
The device for processing the continuous porous aluminum foil by using the ultrasonic waves is characterized in that the width of the aluminum foil, namely the length perpendicular to the propagation direction of the sound waves, is larger than the size of an ultrasonic wave source.
The method for processing the continuous porous aluminum foil by the ultrasonic device is characterized by comprising the following steps of:
1) after the aluminum foil is flattened, one end of the aluminum foil is fixed on the cross beam through a clamp, the supporting assembly is manually pushed to enable the aluminum foil to be located at the middle position of the ultrasonic water tank, then a servo motor is started to drive the aluminum foil to enter the ultrasonic water tank, and the upper edge of the aluminum foil is located at the preset height of the ultrasonic water tank;
2) after the position of the aluminum foil is adjusted, starting an ultrasonic source to carry out ultrasonic treatment for 3-10min under the conditions of 100kHz and 240W;
3) turning off the ultrasonic source, starting the servo motor, enabling the screw rod to work, driving the lifting platform to ascend, and driving the cross beam to ascend to drive the sample to ascend to a specified distance;
4) starting the ultrasonic wave again to finish the ultrasonic wave of the next position of the aluminum foil;
5) circularly executing the actions of the steps 2) -4) until the processing target is reached;
6) taking out, dehydrating and drying, and storing for later use.
The method for processing the continuous porous aluminum foil by using the ultrasonic waves is characterized in that in the processing process of the aluminum foil, holes are processed from the upper end of the aluminum foil downwards step by step.
The aluminum foil is gradually lifted according to preset parameters in the processing process through the arranged specific device, and the equidistant gaps are realized by moving the aluminum foil.
Drawings
FIG. 1 is a schematic diagram of the apparatus of the present invention;
FIG. 2 is a schematic view of the overall structure of the apparatus of the present invention;
FIG. 3 is a diagram showing an arrangement of equidistant holes on an aluminum foil after ultrasonic treatment at 100 kHz;
FIG. 4(a) the row holes of the aluminum foil after the 40kHz ultrasonic treatment near the liquid level line and standing wave holes at other positions; (b) arranging holes on the aluminum foil near the liquid level line after the ultrasonic treatment of 100kHz, wherein the rest positions are not damaged;
FIG. 5 is a schematic view of a pore distribution;
in the figure, 1-an ultrasonic water tank, 2-an ultrasonic source, 3-a bottom plate, 4-a horizontal sliding rail, 5-an aluminum foil, 6-a cross beam, 7-a lifting table, 8-a vertical plate, 9-a horizontal plate, 10-a rib plate, 11-a sliding block, 12-a vertical sliding rail, 13-a waist-shaped through hole, 14-a screw rod, 15-a servo motor and 16-a clamp.
Detailed Description
The invention is further described in detail and specific embodiments are given below with reference to the accompanying drawings.
The invention relates to a device for processing a continuous porous aluminum foil by using ultrasonic waves, which reduces random damage to the surface of a material caused by ultrasonic cavity effect by determining the output frequency of the ultrasonic waves, and generates micropores on the aluminum foil by accumulation effect at a specific position by using standing wave points through an arranged aluminum foil driving component, and then sequentially moves samples upwards by moving to realize the generation of equidistant pores on the aluminum foil.
As shown in fig. 1-2, the present invention specifically includes an ultrasonic water tank with a length, a width and a height of about 300mm × 240mm × 150mm, an ultrasonic source, a bottom plate, and an aluminum foil driving assembly, wherein the ultrasonic water tank contains pure water or deionized water, the ultrasonic source is located below the ultrasonic water tank, the ultrasonic water tank is fixedly disposed at one end of the bottom plate, the other end of the bottom plate is fixedly disposed with a horizontal slide rail, and the horizontal slide rail is slidably disposed with an aluminum foil driving assembly for driving an aluminum foil to move back and forth. This aluminium foil drive assembly includes supporting component, the crossbeam, elevating platform and elevating platform actuating mechanism, supporting component includes vertical board and the horizontal plate that the integral type set up, and set up the floor in vertical board and horizontal plate side, the bottom of horizontal plate is provided with the slider that uses with the cooperation of horizontal slide rail, this slider joint sets up on horizontal slide rail, its moving means is manual regulation, push-and-pull floor hard, can drive supporting component along horizontal guide back-and-forth movement, thereby drive the removal of crossbeam fore-and-aft position, the crossbeam is located one of ultrasonic wave basin and serves the fixed anchor clamps that are used for cliping the aluminium foil that are provided with, the aluminium foil submergence in pure water or deionized water completely and with the inner wall contact of ultrasonic wave basin not.
The concrete structure that the drive crossbeam reciprocated does, the fixed waist type through-hole that is provided with vertical slide rail and is parallel with vertical slide rail on the vertical board, the one end of crossbeam pass behind the waist type through-hole with elevating platform fixed connection, the other end of crossbeam extends to the top of ultrasonic wave basin, the side of elevating platform is provided with the draw-in groove with vertical slide rail joint, elevating platform actuating mechanism includes lead screw and servo motor, the one end that the crossbeam was kept away from to the elevating platform cup joints the setting on the lead screw, servo motor work drive lead screw work, lead screw work drives the elevating platform and reciprocates along vertical slide rail, thereby it reciprocates to drive the crossbeam.
The invention relates to a method for processing a continuous porous aluminum foil by using an ultrasonic device, which comprises the following specific steps: 1) after the aluminum foil is flattened, one end of the aluminum foil is fixed on the cross beam through a clamp, the supporting assembly is manually pushed to enable the aluminum foil to be located at the middle position of the ultrasonic water tank, then a servo motor is started to drive the aluminum foil to enter the ultrasonic water tank, and the upper edge of the aluminum foil is located at the preset height of the ultrasonic water tank; 2) after the position of the aluminum foil is adjusted, starting an ultrasonic source to carry out ultrasonic treatment for 3-10min under the conditions of 100kHz and 240W; 3) turning off the ultrasonic source, starting the servo motor, enabling the screw rod to work, driving the lifting platform to ascend, and driving the cross beam to ascend to drive the sample to ascend to a specified distance; 4) starting the ultrasonic wave again to finish the ultrasonic wave of the next position of the aluminum foil; 5) circularly executing the actions of the steps 2) -4) until the processing target is reached; 6) taking out and drying the mixture and storing the mixture for later use.
In the processing method, the aluminum foil is required to be as flat as possible in the processing process, and wrinkles can become nucleation points of bubbles to cause random damage; the edge of the aluminum foil is easy to cause stress concentration and damage, so the width (length perpendicular to the propagation direction of the sound wave) of the aluminum foil is larger than the size of an ultrasonic wave source (ultrasonic amplifier); the aluminium foil can only be processed in an elevated manner. Otherwise, the previously fabricated holes can become nucleation sites for the ultrasonic cavitation bubbles, resulting in the destruction of the hole appearance; the aperture size is related to the sonication time and is adjusted as required.
The aluminum foil is processed by adopting the device and the processing method, the equidistant hole array on the aluminum foil after the ultrasonic treatment of 100kHz is shown in figure 3, when the ultrasonic frequency is near 40kHz, the physical action of the cavitation effect is very violent, and unexpected holes are easily formed in the rest positions of the aluminum foil, as shown in figure 4(a), when the ultrasonic frequency exceeds 100kHz, the physical damage effect caused by ultrasonic cavitation is obviously weakened, and through holes caused by the fact that the aluminum foil is punctured at a non-target position by the ultrasonic cavitation effect are avoided, as shown in figure 4 (b). When the ultrasonic wave is transmitted to the water surface, a part of sound wave is reflected by the gas-liquid interface and is superposed with the subsequent wave to form a maximum value point of sound intensity, and the physical destruction effect of cavitation is enhanced. Since the frequency is increased, the ultrasonic wave is consumed more while propagating in the water, and the reflectivity is lower. Therefore, the maximum value after the superposition appears in the vicinity of the gas-liquid interface, thereby causing the holes caused by the ultrasonic cavitation to be localized in the vicinity of the gas-liquid interface.
After the ultrasonic wave breaks through the aluminum foil at the node position, the size of the cavity is gradually enlarged along with the time. The sonication time may be selected according to the target aperture size. After the process is completed, the fabrication of new holes can be continued elsewhere by raising the sample height. As shown in FIG. 5, the holes are distributed in a longitudinal dimension PdBy servoMotor control, i.e. step 3) of the machining method, hole distribution transverse dimension P'dIn relation to the input power, the liquid level height, and the need to pass pre-experimental tests.
Claims (6)
1. The method for processing the continuous porous aluminum foil by the ultrasonic device comprises an ultrasonic water tank (1) filled with pure water and an ultrasonic source (2) arranged right below the ultrasonic water tank (1), and is characterized in that the ultrasonic water tank (1) is fixedly arranged at one end of a bottom plate (3), a horizontal sliding rail (4) is arranged at the other end of the bottom plate (3), and an aluminum foil driving component for driving an aluminum foil (5) to move back and forth up and down is arranged on the horizontal sliding rail (4) in a sliding manner; characterized in that the method comprises the following steps
1) After the aluminum foil (5) is flattened, one end of the aluminum foil (5) is fixed on the cross beam (6) through a clamp (16), the supporting assembly is pushed manually to enable the aluminum foil (5) to be located at the middle position of the ultrasonic water tank (1), then a servo motor (15) is started to drive the aluminum foil (5) to enter the ultrasonic water tank (1), and the upper edge of the aluminum foil (5) is located at the height of the ultrasonic water tank (1) which is set in advance;
2) after the position of the aluminum foil (5) is adjusted, the ultrasonic source (2) is started to carry out ultrasonic treatment for 3-10min under the condition of 100kHz and 240W;
3) the ultrasonic source (2) is closed, the servo motor (15) is started, the screw rod (14) works to drive the lifting platform (7) to ascend, the cross beam (6) ascends to drive the sample to ascend to a specified distance;
4) starting the ultrasonic wave again to finish the ultrasonic wave of the next position of the aluminum foil (5);
5) circularly executing the actions of the steps 2) -4) until the processing target is reached;
6) taking out and drying the mixture and storing the mixture for later use.
2. The method for processing the continuous porous aluminum foil by the ultrasonic device as claimed in claim 1, wherein the aluminum foil driving assembly comprises a supporting assembly, a cross beam (6), a lifting table (7) and a lifting table driving mechanism, the supporting component comprises a vertical plate (8) and a horizontal plate (9) which are integrally arranged, and a ribbed plate (10) arranged on the side surfaces of the vertical plate (8) and the horizontal plate (9), the bottom of the horizontal plate (9) is provided with a slide block (11) which is matched with the horizontal slide rail (4) for use, the vertical plate (8) is fixedly provided with a vertical slide rail (12) and a waist-shaped through hole (13) parallel to the vertical slide rail (12), one end of the cross beam (6) passes through the waist-shaped through hole (13) and then is fixedly connected with the lifting platform (7), the other end of the cross beam (6) extends to the upper part of the ultrasonic water tank (1), the side of the lifting platform (7) is provided with a clamping groove clamped with the vertical sliding rail (12).
3. The method for processing the continuous porous aluminum foil by the ultrasonic device as claimed in claim 2, wherein the lifting platform driving mechanism comprises a screw rod (14) and a servo motor (15), and one end of the lifting platform (7) far away from the cross beam (6) is sleeved on the screw rod (14).
4. The method for processing the continuous porous aluminum foil by the ultrasonic device as claimed in claim 2, wherein a clamp (16) for clamping the aluminum foil (5) is fixedly arranged at one end of the beam (6) positioned at the ultrasonic water tank (1), and the aluminum foil (5) is completely immersed in the pure water and is not contacted with the inner wall of the ultrasonic water tank (1).
5. A method of processing continuous porous aluminium foil by an ultrasonic device according to claim 1, characterized in that the width of the aluminium foil (5), i.e. the length perpendicular to the direction of propagation of the sound waves, is larger than the dimension of the ultrasonic source.
6. The method of processing a continuous porous aluminum foil by an ultrasonic apparatus as set forth in claim 1, wherein the holes of the aluminum foil (5) are processed gradually downward from the upper end of the aluminum foil (5) during the processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010325063.XA CN111438764B (en) | 2020-04-23 | 2020-04-23 | Device and method for processing continuous porous aluminum foil by utilizing ultrasonic waves |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010325063.XA CN111438764B (en) | 2020-04-23 | 2020-04-23 | Device and method for processing continuous porous aluminum foil by utilizing ultrasonic waves |
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| Publication Number | Publication Date |
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| CN111438764A CN111438764A (en) | 2020-07-24 |
| CN111438764B true CN111438764B (en) | 2021-12-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2008016691A2 (en) * | 2006-08-01 | 2008-02-07 | Covaris, Inc. | Methods and apparatus for treating samples with acoustic energy |
| RU2549443C2 (en) * | 2009-04-14 | 2015-04-27 | Биокартис Нв | Cavitation induced by high-intensity focused ultrasound with reduced power threshold |
| CN102042871A (en) * | 2010-10-22 | 2011-05-04 | 中国人民解放军海军潜艇学院 | Aluminum foil test method for performance of ultrasonic cleaner |
| CN108706542A (en) * | 2018-05-25 | 2018-10-26 | 辽宁工业大学 | A kind of micro-fluidic chip digital control processing instrument |
| CN208714121U (en) * | 2018-09-04 | 2019-04-09 | 河北泽耀电力配件有限公司 | A kind of steel tower gasket cutter device |
| CN109778189B (en) * | 2019-03-14 | 2020-12-08 | 杭州电子科技大学 | Device and method for auxiliary manufacturing of metal porous foil |
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