CN112845906A - Formed foil connecting method - Google Patents
Formed foil connecting method Download PDFInfo
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- CN112845906A CN112845906A CN202110139904.2A CN202110139904A CN112845906A CN 112845906 A CN112845906 A CN 112845906A CN 202110139904 A CN202110139904 A CN 202110139904A CN 112845906 A CN112845906 A CN 112845906A
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- foil
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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
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/03—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal otherwise than by folding
- B21D39/031—Joining superposed plates by locally deforming without slitting or piercing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a formed foil connecting method for overcoming the problems that in the prior art, the riveting efficiency of a corrosion foil is low, the requirement on operation experience is high, the riveting influences the product quality and the power cost is increased, and the formed foil connecting method comprises the following steps of 1, cleaning the ends of a corrosion foil A and a corrosion foil B to be connected; step 2, taking the optical foil, carrying out heat treatment, and cooling for later use; step 3, placing the corrosion foil A and the corrosion foil B on a stainless steel platform, and overlapping the end of the corrosion foil A and the end of the corrosion foil B; placing the optical foil on the overlapped area of the etched foil A and the etched foil B, wherein the optical foil uniformly covers the overlapped area; and 4, knocking the optical foil, the corrosion foil A and the corrosion foil B below the optical foil by using a foil connecting hammer to connect the optical foil and the corrosion foil A and the corrosion foil B into a whole. The invention provides a method for connecting formed foils, which has the advantages of simple foil connection operation, short operation time, low cost and stable and reliable joint quality.
Description
Technical Field
The invention relates to the technical field of capacitor aluminum foil production, in particular to a formed foil connecting method.
Background
When the capacitor is produced by aluminum foil formation, the next roll of corrosion foil must be connected in time when one roll of corrosion foil is finished, thereby realizing continuous production and normal formation. The formation foil is a key step in the medium-high pressure formation process, and has important influence on the continuous production and process loss of the formation.
In the prior art, two ends of a section of smooth foil are overlapped and riveted with a corrosion foil by using a riveting device, so that the aims of controlling connection of an upper corrosion foil roll and a lower corrosion foil roll and bearing formed heavy current are fulfilled. However, the riveting method has the following disadvantages:
(1) the tail end of the foil needs to be connected in advance by using the riveting device, the end is connected again after the foil is rolled away, the time for connecting a single connector is more than 30 minutes, and the operation efficiency is high.
(2) The riveting joint is easy to break in the formation process to cause wire stop and foil damage.
(3) The riveting skill requirement on personnel is high, the requirement on education and training is strict, and the training period is at least more than 1 month.
(4) Chip falling of the riveting teeth of the joint affects the quality of the product.
(5) The tab two-segment lossy foil increases the cost of power.
Disclosure of Invention
The invention provides a method for connecting foil by formed foil, aiming at overcoming the problems that the riveting efficiency of corrosion foil is low, the requirement on operation experience is high, the riveting influences the product quality and the power cost is increased in the prior art, and the method has the advantages of simple foil connection operation, short operation time, low cost and stable and reliable joint quality.
The technical scheme adopted by the invention is as follows:
a method for connecting formed foil includes the following steps,
step 1, cleaning the ends of a corrosion foil A and a corrosion foil B to be connected;
step 2, taking the optical foil, carrying out heat treatment, and cooling for later use;
step 3, placing the corrosion foil A and the corrosion foil B on a stainless steel platform, and overlapping the end of the corrosion foil A and the end of the corrosion foil B; placing the optical foil on the overlapped area of the etched foil A and the etched foil B, wherein the optical foil uniformly covers the overlapped area;
and 4, knocking the optical foil, the corrosion foil A and the corrosion foil B below the optical foil by using a foil connecting hammer to connect the optical foil and the corrosion foil A and the corrosion foil B into a whole.
Furthermore, the thickness of the corrosion foil A is 70-130 μm.
Furthermore, the thickness of the corrosion foil B is 70-130 μm.
Further, in the step 1, when the corrosion foil A and the corrosion foil B are cleaned, a flame baking mode is adopted, and the time is 20-30 s.
Further, the thickness of the optical foil is 40-45 μm.
Further, in the step 2, the temperature of the optical foil is 1500-1900 ℃ during heat treatment, and the time is 20-30 s.
Further, in step 2, flame baking is adopted during the heat treatment of the optical foil.
Further, in the step 3, the width of the overlapped area of the etched foil A and the etched foil B is 0.7-1.3 cm, and the width of the optical foil is 8-10 cm.
Further, in step 4, when hammering, hammering is performed from the area where the etched foil a, the etched foil B, and the optical foil overlap to both sides.
Further, in step 4, the hammer prints are arranged in rows after hammering, and the hammer prints in two adjacent rows are staggered.
The invention has the beneficial effects that:
1. in order to overcome the problems that the riveting efficiency of the corrosion foil is low, the operation experience requirement is high, the riveting influences the product quality and the power cost is increased in the prior art, the invention provides a method for connecting the foil by forming the foil, which comprises the steps of corrosion foil A and corrosion foil B treatment, smooth foil treatment, corrosion foil A, corrosion foil B and smooth foil overlapping and hammering and the like. The connection reliability of the optical foil with the etched foil A and the etched foil B is fully improved due to the heat treatment of the optical foil.
2. By adopting the method, the foil connecting operation is simple, the tapping operation is only needed when the foil is wound, the riveting operation is not needed in advance, and the total time consumption is less than 5 minutes.
3. By adopting the method, the state of the corroded foil joint is better, the fracture risk is greatly reduced, and the wire stopping times and loss caused by the fracture of the joint are reduced.
4. By adopting the method, the operator can quickly get on hand, and the training and practice can be carried out for 1 week.
5. By adopting the method, the foil connecting auxiliary material is adopted, the power loss is less, and the cost is saved.
6. By adopting the method of the invention, the joint has no riveting tooth chipping situation.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic diagram illustrating a riveting of a smooth foil, an etched foil a, and an etched foil B in the prior art.
FIG. 2 is a schematic diagram of a head end riveting of a smooth foil and an etched foil A in the prior art.
FIG. 3 is a schematic diagram of the riveting of the tail B-end of the smooth foil and the etched foil in the prior art
Fig. 4 is an enlarged schematic view of a riveting position of a smooth foil and an etched foil a in the prior art.
FIG. 5 is a schematic view of example 1 in which a smooth foil, an etched foil A and an etched foil B are hammered.
FIG. 6 is an enlarged view of the hammer-joint between the polished foil and the etched foils A and B in example 1.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention.
Embodiments of the invention are described in detail below with reference to the accompanying drawings.
Example 1
In the prior art, two ends of a section of smooth foil are overlapped and riveted with a corrosion foil A and a corrosion foil B by using a riveting device, so that the aims of controlling connection of an upper corrosion foil roll and a lower corrosion foil roll and bearing formed heavy current are fulfilled. The situation after riveting and foil connecting is shown in the attached figures 1-4. However, the riveting method has the following disadvantages:
(1) the tail end of the foil needs to be connected in advance by using the riveting device, the end is connected again after the foil is rolled away, the time for connecting a single connector is more than 30 minutes, and the operation efficiency is high.
(2) The riveting joint is easy to break in the formation process to cause wire stop and foil damage.
(3) The riveting skill requirement on personnel is high, the requirement on education and training is strict, and the training period is at least more than 1 month.
(4) Chip falling of the riveting teeth of the joint affects the quality of the product.
(5) The tab two-segment lossy foil increases the cost of power.
In order to overcome the problems that the riveting efficiency of the corrosion foil is low, the requirement on operation experience is high, the riveting influences the product quality and the power cost is increased in the prior art, the embodiment provides the foil connecting method for the formed foil, which comprises the following steps:
step 1, the thickness of the corrosion foil A and the corrosion foil B is about 70-130 mu m, the end heads of the corrosion foil A and the corrosion foil B to be connected are cleaned, and surface impurities are removed. And when the end heads of the corrosion foil A and the corrosion foil B are cleaned, flame baking treatment can be adopted for 20-30 s. During flame baking, the temperature of the corrosion foil A and the corrosion foil B can reach about 1500-1900 ℃, and the high temperature can remove other impurity oxides, auxiliary process tank residues, aluminum powder residues falling from corrosion and the like attached to the corrosion foil A and the corrosion foil B.
And 2, taking the optical foil, wherein the thickness of the optical foil is about 40 mu m, and the width of the optical foil is 8 cm. And uniformly performing heat treatment on one or two surfaces of the optical foil, which are in contact with the corrosion foil A and the corrosion foil B, at about 1500 ℃ for about 30s, for example, by adopting flame baking modes such as gas combustion and the like, and cooling for later use. After the optical foil is subjected to high-temperature heat treatment, grease, dust and the like attached to the surface of the optical foil are removed, and meanwhile, the texture of the optical foil is softened by high temperature, so that the ductility of the optical foil is improved, and the optical foil can be effectively prevented from being damaged in a hammering process.
And 3, placing the corrosion foil A and the corrosion foil B on a stainless steel platform, wherein the end of the corrosion foil A is overlapped with the end of the corrosion foil B, and the width of the overlapped area is 0.7 cm. And placing the optical foil on the overlapped area of the etched foil A and the etched foil B, wherein the optical foil uniformly covers the overlapped area, namely the overlapped area corresponds to the central position of the breadth of the optical foil.
And 4, knocking the optical foil, the corrosion foil A and the corrosion foil B below the optical foil by using a foil connecting hammer. And when hammering, hammering the overlapped area of the etched foil A, the etched foil B and the optical foil to two sides, namely hammering the overlapped area of the etched foil A, the etched foil B and the optical foil, and then hammering the overlapped area of the etched foil A, the etched foil B and the optical foil to two sides of the optical foil gradually. The hammer prints left after hammering are arranged in rows, and the hammer prints in two adjacent rows are staggered. The foil was hammered on as shown in figures 5 and 6. The foil connecting hammer is made of CR12 alloy steel materials and is processed and formed at one time through a processing center, the working surface of the hammer body is approximately spherical, tapered prism teeth are arranged on the surface of the hammer body, and the hammer body is processed and formed and then dipped with fire and annealed to improve the hardness of the knocking working surface. And after hammering by a foil connecting hammer, connecting the etched foil A, the etched foil B and the optical foil into a whole. Meanwhile, in the hammering process, hammering is performed from the middle to two sides, and wrinkles of the corrosion foil A, the corrosion foil B and the smooth foil are prevented.
On the one hand, comparing the riveting foil case in the prior art shown in fig. 1 with the hammering foil case in the embodiment shown in fig. 5, it can be seen that the length of the optical foil in the prior art is about 1.2m, while the length of the optical foil in the embodiment is about 8cm, which saves a lot of optical foils and reduces the loss.
On the other hand, comparing the riveting foil connection situation in the prior art shown in fig. 2-4 and the hammering foil connection situation shown in fig. 6 in the present embodiment, the plain foil and the etched foil head end and the plain foil and the etched foil tail end are independent in the prior art, and there is no connection between the etched foil head end and the etched foil tail end. In the invention, the head end of the corrosion foil is overlapped with the tail end of the corrosion foil, the head end of the light foil covering the corrosion foil is overlapped with the tail end of the corrosion foil, and the light foil is respectively connected with the two corrosion foils, so that the connection strength is greatly improved.
On the other hand, comparing the riveting foil condition in the prior art shown in fig. 2-4 and the hammering foil condition shown in fig. 6, it can be seen that when the optical foil is riveted with the head end of the etched foil and the optical foil is riveted with the tail end of the etched foil in the prior art, the overlapping width of the optical foil with the head end of the etched foil and the tail end of the etched foil is about 20 cm. In this embodiment, the width of the overlapping region of the plain foil and the two etched foils is about 4.35 cm.
Finally, comparing the riveting foil connection situation in the prior art shown in fig. 2-4 and the hammering foil connection situation shown in fig. 6 in the present embodiment, it can be seen that in the prior art, when the optical foil is connected to the head end of the corrosion foil and when the optical foil is connected to the tail end of the corrosion foil, there are through holes in the optical foil and the corrosion foil due to riveting, and the integrity of the optical foil and the corrosion foil is damaged while the connection is provided, that is, there is a risk of pulling crack. In the embodiment, the smooth foil and the corrosion foil are in hammer joint, and no through hole exists, so that the integrity of the smooth foil and the corrosion foil is ensured, and no riveting debris is generated.
Example 2
A method for foil connection in formed foil comprises the following steps:
step 1, the thickness of the corrosion foil A and the corrosion foil B is about 70-130 mu m, the end heads of the corrosion foil A and the corrosion foil B to be connected are cleaned, and surface impurities are removed in a flame baking mode.
And 2, taking the optical foil, wherein the thickness of the optical foil is about 45 mu m, and the width of the optical foil is 9 cm. Carrying out heat treatment on the optical foil at the temperature of about 1750 ℃ for about 25s, and cooling for later use.
And 3, placing the corrosion foil A and the corrosion foil B on a stainless steel platform, wherein the end of the corrosion foil A is overlapped with the end of the corrosion foil B, and the width of the overlapped area is 1 cm. And placing the optical foil on the overlapped area of the etched foil A and the etched foil B, wherein the optical foil uniformly covers the overlapped area, namely the overlapped area corresponds to the central position of the breadth of the optical foil.
And 4, knocking the optical foil, the corrosion foil A and the corrosion foil B below the optical foil by using a foil connecting hammer. When hammering, hammering is carried out from the center of the smooth foil to two sides, and hammering marks after hammering are staggered. And after hammering by a foil connecting hammer, connecting the etched foil A, the etched foil B and the optical foil into a whole.
The method in the embodiment has the following advantages:
1. in order to overcome the problems that riveting efficiency of a corrosion foil is low, operation experience requirements are high, riveting influences product quality and power cost are increased in the prior art, the embodiment provides a method for connecting the foils through formation, and the method comprises the steps of corrosion foil A and corrosion foil B treatment, smooth foil treatment, corrosion foil A, corrosion foil B and smooth foil overlapping and hammering and the like. The connection reliability of the optical foil with the etched foil A and the etched foil B is fully improved due to the heat treatment of the optical foil.
2. By adopting the method in the embodiment, the foil connecting operation is simple, the tapping operation is only needed when the foil winding is finished, the riveting operation is not needed in advance, and the total time consumption is less than 5 minutes.
3. By adopting the method in the embodiment, the corroded foil joint is better in state, the fracture risk is greatly reduced, and the number of times of stopping the wire and the loss caused by the fracture of the joint are reduced.
4. By adopting the method in the embodiment, the operator can quickly get on the hand and can practice the operation after training and practicing for 1 week.
5. By adopting the method in the embodiment, the foil connecting auxiliary material is adopted, the power loss is less, and the cost is saved.
6. By adopting the method in the embodiment, the joint has no riveting tooth chipping situation.
Example 3
A method for foil connection in formed foil comprises the following steps:
step 1, the thickness of the corrosion foil A and the corrosion foil B is about 70-130 mu m, the end heads of the corrosion foil A and the corrosion foil B to be connected are cleaned, and surface impurities are removed in a flame baking mode.
And 2, taking the optical foil, wherein the thickness of the optical foil is about 50 micrometers, and the width of the optical foil is 10 cm. And (3) carrying out heat treatment on the optical foil at about 1900 ℃ for about 20s, and cooling for later use.
And 3, placing the corrosion foil A and the corrosion foil B on a stainless steel platform, wherein the end of the corrosion foil A is overlapped with the end of the corrosion foil B, and the width of the overlapped area is 1.3 cm. And placing the optical foil on the overlapped area of the etched foil A and the etched foil B, wherein the optical foil uniformly covers the overlapped area, namely the overlapped area corresponds to the central position of the breadth of the optical foil.
And 4, knocking the optical foil, the corrosion foil A and the corrosion foil B below the optical foil by using a foil connecting hammer. When hammering, hammering is carried out from the center of the smooth foil to two sides, and hammering marks after hammering are staggered. And after hammering by a foil connecting hammer, connecting the etched foil A, the etched foil B and the optical foil into a whole.
Claims (10)
1. A formed foil connecting method is characterized in that: comprises the following steps of (a) carrying out,
step 1, cleaning the ends of a corrosion foil A and a corrosion foil B to be connected;
step 2, taking the optical foil, carrying out heat treatment, and cooling for later use;
step 3, placing the corrosion foil A and the corrosion foil B on a stainless steel platform, and overlapping the end of the corrosion foil A and the end of the corrosion foil B; placing the optical foil on the overlapped area of the etched foil A and the etched foil B, wherein the optical foil uniformly covers the overlapped area;
and 4, knocking the optical foil, the corrosion foil A and the corrosion foil B below the optical foil by using a foil connecting hammer to connect the optical foil and the corrosion foil A and the corrosion foil B into a whole.
2. The formed foil splicing method according to claim 1, wherein: the thickness of the corrosion foil A is 70-130 mu m.
3. The formed foil splicing method according to claim 1, wherein: the thickness of the corrosion foil B is 70-130 mu m.
4. The formed foil splicing method according to claim 1, wherein: in the step 1, when the corrosion foil A and the corrosion foil B are cleaned, a flame baking mode is adopted, and the time is 20-30 s.
5. The formed foil splicing method according to claim 1, wherein: the thickness of the optical foil is 40-45 mu m.
6. The formed foil splicing method according to claim 1, wherein: in the step 2, the temperature of the optical foil is 1500-1900 ℃ during heat treatment, and the time is 20-30 s.
7. The formed foil splicing method according to claim 1, wherein: and 2, adopting flame baking during the heat treatment of the optical foil.
8. The formed foil splicing method according to claim 1, wherein: in the step 3, the width of the overlapped area of the corrosion foil A and the corrosion foil B is 0.7-1.3 cm, and the width of the optical foil is 8-10 cm.
9. The formed foil splicing method according to claim 1, wherein: in step 4, when hammering, hammering is performed from the overlapped region of the etched foil a, the etched foil B, and the optical foil to both sides.
10. The formed foil splicing method according to claim 9, wherein: in step 4, the hammer prints are arranged in rows after hammering, and the hammer prints in two adjacent rows are staggered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110139904.2A CN112845906B (en) | 2021-02-02 | 2021-02-02 | Formed foil connecting method |
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|---|---|---|---|
| CN202110139904.2A CN112845906B (en) | 2021-02-02 | 2021-02-02 | Formed foil connecting method |
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| CN112845906A true CN112845906A (en) | 2021-05-28 |
| CN112845906B CN112845906B (en) | 2023-04-18 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1372229A (en) * | 1970-12-29 | 1974-10-30 | Kooperativa Foerbundet | Apparatus for holding objects together using a weldable foil of an elastic material |
| CN101103478A (en) * | 2004-12-28 | 2008-01-09 | 丹麦科技大学 | Method of producing metal to glass, metal to metal or metal to ceramic connections |
| CN205551363U (en) * | 2016-01-07 | 2016-09-07 | 四川新诚电子新材料有限公司 | Aluminium foilization becomes to connect hydraulic pressure thorn cold riveting device for paper tinsel |
| CN107416567A (en) * | 2017-07-24 | 2017-12-01 | 宁夏海力电子有限公司 | Light paper tinsel etched foil foil method |
| CN109775411A (en) * | 2017-11-14 | 2019-05-21 | 天全君力电子材料有限公司 | A kind of etched foil connection method |
| CN208979977U (en) * | 2018-09-29 | 2019-06-14 | 四川石棉华瑞电子有限公司 | Connection structure and its attachment device for aluminum foil coil |
| CN111299322A (en) * | 2020-03-16 | 2020-06-19 | 银邦金属复合材料股份有限公司 | Preparation method of brazing aluminum alloy material and brazing aluminum alloy material |
-
2021
- 2021-02-02 CN CN202110139904.2A patent/CN112845906B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1372229A (en) * | 1970-12-29 | 1974-10-30 | Kooperativa Foerbundet | Apparatus for holding objects together using a weldable foil of an elastic material |
| CN101103478A (en) * | 2004-12-28 | 2008-01-09 | 丹麦科技大学 | Method of producing metal to glass, metal to metal or metal to ceramic connections |
| CN205551363U (en) * | 2016-01-07 | 2016-09-07 | 四川新诚电子新材料有限公司 | Aluminium foilization becomes to connect hydraulic pressure thorn cold riveting device for paper tinsel |
| CN107416567A (en) * | 2017-07-24 | 2017-12-01 | 宁夏海力电子有限公司 | Light paper tinsel etched foil foil method |
| CN109775411A (en) * | 2017-11-14 | 2019-05-21 | 天全君力电子材料有限公司 | A kind of etched foil connection method |
| CN208979977U (en) * | 2018-09-29 | 2019-06-14 | 四川石棉华瑞电子有限公司 | Connection structure and its attachment device for aluminum foil coil |
| CN111299322A (en) * | 2020-03-16 | 2020-06-19 | 银邦金属复合材料股份有限公司 | Preparation method of brazing aluminum alloy material and brazing aluminum alloy material |
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| CN112845906B (en) | 2023-04-18 |
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