CN108687253B - Production process and structure of packaging can - Google Patents
Production process and structure of packaging can Download PDFInfo
- Publication number
- CN108687253B CN108687253B CN201810497796.4A CN201810497796A CN108687253B CN 108687253 B CN108687253 B CN 108687253B CN 201810497796 A CN201810497796 A CN 201810497796A CN 108687253 B CN108687253 B CN 108687253B
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- CN
- China
- Prior art keywords
- die head
- tank body
- cylindrical tank
- pressing
- edge pressing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
-
- 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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
- B65D1/10—Jars, e.g. for preserving foodstuffs
Abstract
The invention discloses a production process and a structure of a packaging can, wherein a cylindrical can body is provided with an annular plane and a groove formed by processing the blank pressing is arranged below the annular plane through one-time stretch forming and multiple blank pressing and secondary trimming treatment.
Description
Technical Field
The invention relates to a production process and a structure of a packaging can.
Background
In the manufacturing process of packaging can, make the jar through pressing the raw materials, among the prior art, in the system jar, the blank pressing shaping in-process, need control the yields of technology, the yields of the setting of technology to the jar body influences greatly.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a production process and a structure of a packaging can.
The technical scheme adopted for solving the technical problems is as follows: a process for producing packaging cans, wherein: comprises the steps of,
a) Preparing a prefabricated tank material, and printing patterns on the surface of the prefabricated tank material;
b) Cutting the prefabricated tank material in the step a) into blocks;
c) Placing the blocky prefabricated tank body material obtained in the step b) on a cold-pressing drawing machine to form a cylindrical tank body, wherein in the forming process, the cylindrical tank body is drawn and formed once by the cold-pressing drawing machine, the cold-pressing drawing machine is used for manufacturing the tank by the cooperation pressing of a movable die head and a fixed die head, and deburring is carried out on the opening edge of the cylindrical tank body for the first time, and the cylindrical tank body is pressed by using 25-30 tons of cold-pressing drawing machines;
d) Carrying out primary edge pressing treatment on the opening of the cylindrical tank body in the step c), and pressing through the cooperation of a first edge pressing die head and a common die head, wherein the rotating speed of the first edge pressing die head is 45-50 revolutions per minute, the edge pressing time is 1.3s, the first edge pressing die head surrounds the common die head for 2 circles, and the cutting angle of the first edge pressing die head is 55-60 degrees;
e) Carrying out secondary edge pressing treatment on the opening of the cylindrical tank body in the step d), and pressing through the cooperation of a second edge pressing die head and a common die head, wherein the rotating speed of the second edge pressing die head is 45-50 revolutions per minute, the edge pressing time is 1.3s, the second edge pressing die head surrounds the common die head for 2 circles, and the cutting angle of the second edge pressing die head is 55-50 degrees;
f) Carrying out third edge pressing treatment on the opening of the cylindrical tank body in the step e), and pressing through the cooperation of a third edge pressing die head and a common die head, wherein the rotating speed of the third edge pressing die head is 45-50 revolutions per minute, the edge pressing time is 1.3s, the third edge pressing die head surrounds the common die head for 2 circles to form an annular plane, and the cutting angle of the third edge pressing die head is 45-50 degrees;
g) Performing secondary trimming and round corner punching on the cylindrical tank body in the step f), wherein the trimming and round corner punching are performed by using a 25-30 ton punch press, so that the edge of an opening of the cylindrical tank body is not scraped, and the roundness parameter value is 48.75-49;
the annular plane 2 arranged on the cylindrical tank body 1 is fixedly provided with a sealing film for sealing the tank body, the sealing film corresponds to the annular plane 2 in shape, an adhesive is arranged between the sealing film and the cylindrical tank body 1 for sealing connection, the cylindrical tank body 1 is provided with the annular plane 2, the width of the annular plane 2 is 2-5mm, a groove 3 formed by processing a blank holder is arranged below the annular plane 2, then the upper part of the cylindrical tank body 1 can be sealed with a metal cover body, the metal cover body is in rolling sealing connection with the metal cover body arranged on the upper part through the groove 3, and the metal cover body is provided with a pull ring which is convenient for pulling out the metal cover body by hands;
wherein the cylindrical can 1 is made of aluminum, the cylindrical can 1 is formed by one-time stretching and edge pressing for a plurality of times, and trimming is performed for the second time, so that the cylindrical can 1 is provided with an annular plane 2 and a groove 3 formed by processing the edge pressing is arranged below the annular plane 2.
Wherein: the material in the step a) is aluminum products, and the step c) is carried out to manufacture the cylindrical tank body in the environment of normal temperature and normal pressure.
A packaging can, wherein: the packaging tank is a cylindrical tank body, the cylindrical tank body is provided with an annular plane, and a groove formed by processing a blank is arranged below the annular plane.
Wherein: the width of the annular plane is 2-5mm.
The beneficial effects of the invention are as follows: the cylindrical tank body is formed by one-step stretching and is subjected to multiple blank pressing, and the secondary trimming treatment is performed, so that the cylindrical tank body is provided with an annular plane, and a groove formed by processing the blank pressing is formed below the annular plane.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the cold-drawing machine in the production process c) of the present invention;
FIG. 2 is a schematic view of a partial cross-sectional structure of a cold-drawing machine in the production process c) of the present invention;
FIG. 3 is a schematic view of the structure of the edge pressing device of the present invention;
FIG. 4 is a schematic view of a second trimming device according to the present invention;
fig. 5 is a schematic view of the cylindrical tank structure of the present invention.
Detailed Description
Referring to fig. 1 to 5, a process for producing a packaging can, comprising the steps of,
a) Preparing a prefabricated tank material, and printing patterns on the surface of the prefabricated tank material;
b) Cutting the prefabricated tank material in the step a) into blocks;
c) Placing the blocky prefabricated tank body material obtained in the step b) on a cold press stretcher 5 to form a cylindrical tank body, wherein in the forming process, the cylindrical tank body is subjected to primary drawing forming through the cold press stretcher 5, the cold press stretcher 5 is used for making a tank through the matched pressing of a movable die head and a fixed die head, and the edge of an opening of the cylindrical tank body is subjected to primary deburring, and the cylindrical tank body 1 is pressed by using 25-30 tons of the cold press stretcher 5;
d) Carrying out primary edge pressing treatment on the opening of the cylindrical tank body 1 in the step c), and pressing through the cooperation of a first edge pressing die head and a common die head, wherein the rotating speed of the first edge pressing die head is 45-50 revolutions per minute, the pressure is calculated according to the mechanics of an aluminum material, the edge pressing time is 1.3s, the first edge pressing die head surrounds the common die head for 2 circles, and the cutting angle alpha of the first edge pressing die head is 58 degrees;
e) Carrying out secondary edge pressing treatment on the opening of the cylindrical tank body 1 in the step d), and pressing through the cooperation of a second edge pressing die head and a common die head, wherein the rotating speed of the second edge pressing die head is 45-50 revolutions per minute, the pressure is calculated according to the mechanics of the aluminum material, the edge pressing time is 1.3s, the second edge pressing die head surrounds the common die head for 2 circles, and the cutting angle alpha of the second edge pressing die head is 53 degrees;
f) Carrying out third edge pressing treatment on the opening of the cylindrical tank body 1 in the step e), and pressing through the cooperation of a third edge pressing die head and a common die head, wherein the rotating speed of the third edge pressing die head is 45-50 revolutions per minute, the pressure is calculated according to the mechanics of the aluminum material, the edge pressing time is 1.3s, the third edge pressing die head surrounds the common die head for 2 circles to form an annular plane 2, and the cutting angle alpha of the third edge pressing die head is 48 degrees;
g) And f) performing secondary trimming and punching round corners on the cylindrical tank body 1 in the step f), wherein the trimming and the punching round corners are performed by using a 25-30 ton punch 7, so that the opening edge of the cylindrical tank body 1 is not scraped, and the roundness parameter value is 48.75-49.
The material in the step a) is aluminum products, and the step c) is carried out to manufacture the cylindrical tank body 1 in an environment of normal temperature and normal pressure; the cutting angle in the steps d), e) and f) is gradually sharp, and if the cutting angle is too small, the edge of the tank body is easy to burst, and the yield is reduced.
The sealing film is fixedly arranged on an annular plane 2 arranged on a cylindrical can body 1 and is used for sealing the can body, the sealing film corresponds to the annular plane 2 in shape, an adhesive is arranged between the sealing film and the cylindrical can body 1 for sealing connection, the cylindrical can body 1 is provided with the annular plane 2, the width of the annular plane 2 is 2-5mm, a groove 3 formed by processing a blank holder is arranged below the annular plane 2, a metal cover body can be sealed on the upper portion of the cylindrical can body 1, rolling sealing connection is carried out between the groove 3 and the metal cover body arranged on the upper portion, the metal cover body is provided with a pull ring which is convenient for pulling out the metal cover body by hands, the cylindrical can body 1 is made of an aluminum product, the cylindrical can body 1 is provided with the annular plane 2 and the groove 3 formed by processing the blank holder is arranged below the annular plane 2 through one-step stretching molding and repeated trimming treatment, and the production process is high in can manufacturing speed and yield and efficiency.
Claims (4)
1. The production process of the packaging can is characterized by comprising the following steps of: comprises the steps of,
a) Preparing a prefabricated tank material, and printing patterns on the surface of the prefabricated tank material;
b) Cutting the prefabricated tank material in the step a) into blocks;
c) Placing the blocky prefabricated tank body material obtained in the step b) on a cold-pressing stretcher (5) to form a cylindrical tank body, wherein in the forming process, the cylindrical tank body is subjected to primary drawing forming through the cold-pressing stretcher (5), the cold-pressing stretcher (5) is used for making a tank through the matched pressing of a movable die head and a fixed die head, the edge of an opening of the cylindrical tank body is subjected to primary deburring, and the cylindrical tank body is formed by pressing through the cold-pressing stretcher (5) of 25-30 tons;
d) Carrying out primary edge pressing treatment on the opening of the cylindrical tank body in the step c), and pressing through the cooperation of a first edge pressing die head and a common die head, wherein the rotating speed of the first edge pressing die head is 45-50 revolutions per minute, the edge pressing time is 1.3s, the first edge pressing die head surrounds the common die head for 2 circles, and the cutting angle of the first edge pressing die head is 55-60 degrees;
e) Carrying out secondary edge pressing treatment on the opening of the cylindrical tank body in the step d), and pressing through the cooperation of a second edge pressing die head and a common die head, wherein the rotating speed of the second edge pressing die head is 45-50 revolutions per minute, the edge pressing time is 1.3s, the second edge pressing die head surrounds the common die head for 2 circles, and the cutting angle of the second edge pressing die head is 55-50 degrees;
f) Carrying out third edge pressing treatment on the opening of the cylindrical tank body in the step e), and pressing through the cooperation of a third edge pressing die head and a common die head, wherein the rotating speed of the third edge pressing die head is 45-50 revolutions per minute, the edge pressing time is 1.3s, the third edge pressing die head surrounds the common die head for 2 circles to form an annular plane, and the cutting angle of the third edge pressing die head is 45-50 degrees;
g) Performing secondary trimming and round corner punching on the cylindrical tank body in the step f), wherein the trimming and round corner punching are performed by using a 25-30 ton punch (7) so that the edge of an opening of the cylindrical tank body is not scraped, and the roundness parameter value is 48.75-49;
the sealing device comprises a cylindrical tank body (1), wherein an annular plane (2) arranged on the cylindrical tank body (1) is fixedly provided with a sealing film for sealing the tank body, the sealing film corresponds to the annular plane (2), an adhesive is arranged between the sealing film and the cylindrical tank body (1) for sealing connection, the cylindrical tank body (1) is provided with the annular plane (2), the width of the annular plane (2) is 2-5mm, a groove (3) formed by processing a blank holder is arranged below the annular plane (2), the upper part of the cylindrical tank body (1) is sealed with a metal cover body, the metal cover body is in rolling sealing connection with the metal cover body arranged on the upper part through the groove (3), and the metal cover body is provided with a pull ring which is convenient for pulling out the metal cover body by hands;
the cylindrical tank body (1) is made of aluminum products, and the cylindrical tank body (1) is formed by one-time stretching and three-time blank pressing, and is subjected to secondary trimming treatment, so that the cylindrical tank body (1) is provided with an annular plane (2) and a groove (3) formed by processing the blank pressing is arranged below the annular plane (2).
2. A process for producing a packaging can according to claim 1, wherein: and c) manufacturing the cylindrical tank body in an environment at normal temperature and normal pressure.
3. A packaging can, characterized in that: the packaging can is prepared by the production process according to the claim l or 2, the packaging can is a cylindrical can body (1), the cylindrical can body (1) is provided with an annular plane (2), and a groove (3) formed by processing a blank is arranged below the annular plane (2).
4. A packaging can according to claim 3, characterized in that: the width of the annular plane (2) is 2-5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810497796.4A CN108687253B (en) | 2018-05-21 | 2018-05-21 | Production process and structure of packaging can |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810497796.4A CN108687253B (en) | 2018-05-21 | 2018-05-21 | Production process and structure of packaging can |
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| Publication Number | Publication Date |
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| CN108687253A CN108687253A (en) | 2018-10-23 |
| CN108687253B true CN108687253B (en) | 2023-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810497796.4A Active CN108687253B (en) | 2018-05-21 | 2018-05-21 | Production process and structure of packaging can |
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| Country | Link |
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| CN (1) | CN108687253B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112045086B (en) * | 2020-08-27 | 2022-04-15 | 湛江市联胜制罐包装有限公司 | Method for forming and manufacturing metal can body |
Citations (8)
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| JPS63230230A (en) * | 1986-10-27 | 1988-09-26 | Takeuchi Press Kogyo Kk | Manufacture of smooth neck-in can and device used for same method |
| WO2007015560A1 (en) * | 2005-08-04 | 2007-02-08 | Universal Can Corporation | Aluminum alloy sheet for can body, di can, and method for manufacture of the di can |
| JP2007181864A (en) * | 2006-01-06 | 2007-07-19 | Toyo Seikan Kaisha Ltd | Method for manufacturing metallic can |
| JP2007296565A (en) * | 2006-05-01 | 2007-11-15 | Daiwa Can Co Ltd | Method and apparatus for manufacturing resin coated seamless can |
| CN201632542U (en) * | 2010-03-31 | 2010-11-17 | 北京顶旋科技有限公司 | Sheet material processing device capable of increasing wall thickness of metal sheet material |
| CN106881405A (en) * | 2017-03-21 | 2017-06-23 | 义乌市易开盖实业公司 | Tapered shaped can drawing die and stretch forming method |
| CN207188564U (en) * | 2017-07-22 | 2018-04-06 | 泉州市泰达车轮设备有限公司 | A kind of spinning contour roll forming composite structure for being used to there is inner tube of a tyre rim contour to shape |
| CN207204949U (en) * | 2017-08-31 | 2018-04-10 | 杭州康和包装有限公司 | A kind of metal can blank body |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004113181A1 (en) * | 2003-06-23 | 2004-12-29 | Toyo Seikan Kaisha, Ltd. | Resin-coated aluminum seamless can body having excellent body burst resistance and flange crack resistance in distribution |
| US7201031B2 (en) * | 2004-02-06 | 2007-04-10 | Belvac Production Machinery, Inc. | Flanging process improvement for reducing variation in can body flange width |
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63230230A (en) * | 1986-10-27 | 1988-09-26 | Takeuchi Press Kogyo Kk | Manufacture of smooth neck-in can and device used for same method |
| WO2007015560A1 (en) * | 2005-08-04 | 2007-02-08 | Universal Can Corporation | Aluminum alloy sheet for can body, di can, and method for manufacture of the di can |
| JP2007181864A (en) * | 2006-01-06 | 2007-07-19 | Toyo Seikan Kaisha Ltd | Method for manufacturing metallic can |
| JP2007296565A (en) * | 2006-05-01 | 2007-11-15 | Daiwa Can Co Ltd | Method and apparatus for manufacturing resin coated seamless can |
| CN201632542U (en) * | 2010-03-31 | 2010-11-17 | 北京顶旋科技有限公司 | Sheet material processing device capable of increasing wall thickness of metal sheet material |
| CN106881405A (en) * | 2017-03-21 | 2017-06-23 | 义乌市易开盖实业公司 | Tapered shaped can drawing die and stretch forming method |
| CN207188564U (en) * | 2017-07-22 | 2018-04-06 | 泉州市泰达车轮设备有限公司 | A kind of spinning contour roll forming composite structure for being used to there is inner tube of a tyre rim contour to shape |
| CN207204949U (en) * | 2017-08-31 | 2018-04-10 | 杭州康和包装有限公司 | A kind of metal can blank body |
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| CN108687253A (en) | 2018-10-23 |
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Effective date of registration: 20200123 Address after: One of the first floors of luhuoqiang workshop, Donglian labian Development Zone, Danzao Town, Nanhai District, Foshan City, Guangdong Province Applicant after: Foshan yuelida hardware bottle cap Co.,Ltd. Address before: 528000 Foshan, Guangdong, the Bund, Nanshan District, Shih Shan town, the Bund East District, Changxin garden, Fu Jing house, room 602 Applicant before: Huang Bocheng |
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