CN112549659B - Double-layer paper cover forming process - Google Patents
Double-layer paper cover forming process Download PDFInfo
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- CN112549659B CN112549659B CN202011370260.XA CN202011370260A CN112549659B CN 112549659 B CN112549659 B CN 112549659B CN 202011370260 A CN202011370260 A CN 202011370260A CN 112549659 B CN112549659 B CN 112549659B
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- lower cover
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- layer paper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D5/00—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D5/00—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles
- B31D5/02—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles including pressing
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Abstract
The invention discloses a forming process of a double-layer paper cover, wherein the formed double-layer paper cover is designed by combining an upper cover and a lower cover in a ladder way, and is characterized in that: firstly, feeding a lower cover paper sheet into a cup mold of a double-layer paper cover forming machine, and performing stretch forming on a part of a lower cover needing to be stretched; secondly, feeding the upper cover paper sheet into a cup mold, performing stretching molding on the part of the upper cover needing stretching, and simultaneously performing primary combined positioning on the upper cover and the lower cover which are subjected to stretching molding in the cup mold; thirdly, the upper cover and the lower cover can be molded in the cup mold at the same time; fourthly, the upper cover and the lower cover are bonded in the cup mold by ultrasonic waves, so that the double-layer paper cover combined by the upper cover and the lower cover is formed preliminarily; fifthly, heating the lower cover in the cup mold through hot air blowing; and then, opening the lower cover, and finally, completely forming the double-layer paper cover combined by the upper cover and the lower cover and sending the formed double-layer paper cover out of the cup mold. The invention is used for the forming production of the double-layer paper cover, has simple process and simultaneously ensures that the equipment has simple and compact structure.
Description
Technical Field
The invention relates to a forming process for forming production of a double-layer paper cover.
Background
At present, disposable goblet's bowl cover often has the ladder design, stick up the mouth in order to set up, the bowl cover of ladder design is if adopting the plastics material, available thermoforming technology makes things convenient for the shaping, if adopt the paper material that the paper cup is the same, so the bowl cover will be separated upper and lower floor and make respectively, a paper bowl cover machine will set up two carousels at least, a carousel is used for the shaping of upper paper lid, another carousel is used for the shaping of lower floor paper lid, then upper and lower floor paper lid cover is in the same place, just like the preparation technology of prior art's double-deck paper cup, the loaded down with trivial details of technology, equipment structure is complicated.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a double-layer paper cover forming process which is used for forming production of double-layer paper covers, is simple in process and enables equipment to be simple and compact in structure.
The invention is completed by adopting the following technical scheme:
double-deck paper lid forming process, the fashioned double-deck paper lid is the ladder design of upper and lower lid combination, its characterized in that: firstly, feeding a lower cover paper sheet into a cup mold of a double-layer paper cover forming machine, and performing stretch forming on a part of a lower cover needing to be stretched; secondly, feeding the upper cover paper sheet into a cup mold, performing stretching forming on a part of the upper cover to be stretched, and simultaneously performing primary combined positioning on the upper cover and the lower cover which are subjected to stretching forming in the cup mold; thirdly, the upper cover and the lower cover can be molded in the cup mold at the same time; fourthly, the upper cover and the lower cover are subjected to ultrasonic bonding in a cup mold, so that the double-layer paper cover combined by the upper cover and the lower cover is formed preliminarily; fifthly, heating the lower cover in the cup mold through hot air blowing; and then, opening the lower cover, and finally, completely forming the double-layer paper cover combined by the upper cover and the lower cover and sending the formed double-layer paper cover out of the cup mold.
According to the technical scheme, the double-layer paper cover forming process comprises the steps of firstly carrying out independent stretch forming on the lower cover, then carrying out independent stretch forming on the upper cover, enabling the stretch-formed lower cover and the stretch-formed upper cover to be preliminarily combined and positioned while the upper cover is stretch-formed, then combining the upper cover and the lower cover together for forming, carrying out ultrasonic bonding on the upper cover and the lower cover after forming, and finally carrying out edge curling and rolling treatment on an opening of the paper cover. In the forming process, the lower cover and the upper cover need to be formed separately, and the parts which can be formed simultaneously are combined together to be processed together, so that the whole forming process is simple, the paper cup cover machine can easily complete the forming production of the double-layer paper cover through the arrangement of a turntable, and the equipment structure is simple and compact.
Preferably, the treatment of the lower cover opening comprises a sixth step of rolling a ring groove at the periphery of the lower cover opening in a cup mold; seventhly, heating the lower cover in the cup mold again through hot air blowing; eighthly, performing edge curling treatment on the opening of the lower cover in the cup mold; ninth, rolling the opening curled edge of the lower cover in the cup mold to completely form the double-layer paper cover combined by the upper cover and the lower cover; step ten, cooling the double-layer paper cover in the cup mold; and step eleven, sending the double-layer paper cover out of the cup mold to finish the production of the double-layer paper cover.
Drawings
The invention has the following drawings:
figure 1 is a three-dimensional structure diagram of a double-layer paper cover forming machine adopted by the invention,
figure 2 is a top view in elevation of figure 1,
figure 3 is a structural diagram of a first station double-layer paper cover forming die,
figure 4 is a structural diagram of a double-layer paper cover forming die at a second station,
figure 5 is a structural diagram of a third station double-layer paper cover forming die,
figure 6 is a structural diagram of a fourth station double-layer paper cover forming die,
figure 7 is a structural diagram of a fifth station double-layer paper cover forming die,
figure 8 is a structural diagram of a sixth station double-layer paper cover forming die,
figure 9 is a structural diagram of a seventh station double-layer paper cover forming die,
figure 10 is a structural diagram of an eighth station double-layer paper cover forming die,
figure 11 is a structural diagram of a ninth station double-layer paper cover forming die,
fig. 12 is a process diagram of the forming of the double-layer paper cover of the present invention.
Detailed Description
As shown in fig. 1-12, the double-layer paper cap forming machine for implementing the forming process of the double-layer paper cap of the invention comprises a rotary table 13 which rotates in an indexing way during working, twelve stations are arranged on the outer circumference of the rotary table 13 along the rotating direction during working of the rotary table, a first station 1 for forming a lower cap a, a second station 2 for forming an upper cap B and sleeving the upper cap and the lower cap at the same time, a third station 3 for pressing the end surface of the upper cap and the lower cap, a fourth station 4 for ultrasonically bonding the upper cap and the lower cap, a fifth station 5 for preheating the lower cap, a sixth station 6 for rolling a ring groove of the lower cap, a seventh station 7 for heating the lower cap, an eighth station 8 for curling the lower cap, a ninth station 9 for rolling the lower cap, a tenth station 10 for cooling the double-layer paper cap, an eleventh station 11 for forming the cover of the double-layer paper cap, and a twelfth station 12 for emptying the rotary table 13, an upper cup mold is arranged on each station, the upper cup mold is composed of an outer sleeve 16 and a section 19 of the cup mold, an inner hole of the cup mold is arranged between the upper mold and an upper mold sleeve 17, and a cup mold sleeve 16 is arranged on the upper mold, and a cup mold sleeve 17, and a cup mold sleeve 16 is arranged on the upper mold. The upper cover and lower cover feeding device 14 is correspondingly arranged on the first station 1 and the second station 2, the upper cover and lower cover feeding device 14 comprises a stacking platform 15, the stacking platform 15 is used for stacking and storing a lower cover A and an upper cover B, a lower cover suction nozzle and an upper cover suction nozzle are arranged at the bottom of the stacking platform 15, the lower cover suction nozzle and the upper cover suction nozzle perform synchronous front-back and up-down actions, the bottommost lower cover on the stacking platform is fed to the bottom of an upper cup mold of the first station when the lower cover suction nozzle acts, and the bottommost upper cover on the stacking platform is fed to the bottom of the upper cup mold of the second station when the upper cover suction nozzle acts. The first station 1 is provided with a lower cover drawing die 20 below the upper cup die, the lower cover drawing die 20 is movably arranged up and down, and the shape of the die head of the lower cover drawing die 20 is matched with the lower cover part of the common die cavity. In operation, after the lower cover stretch film moves upwards to the position, the lower cover stretch film and the upper cup mold are combined together to form the lower cover, and the formed lower cover is shown in figures 3 and 12. And the second station 2 is provided with an upper cover drawing die 21 below the upper cup die, the upper cover drawing die 21 is movably arranged up and down, and the shape of the die head of the upper cover drawing die 21 is matched with the upper cover part of the common die cavity. In operation, after the upper cover stretch film moves upwards to a certain position, the upper cover stretch film and the upper cup mold are combined together to form the upper cover, and the upper cover and the lower cover are sleeved at the same time, wherein the formed upper cover and the sleeved lower cover are shown in fig. 4 and 12. And the third station 3 is provided with an indentation forming die 24 below the upper cup die, the indentation forming die 24 is movably arranged up and down, the shape of a die head of the indentation forming die 24 is matched with that of an indentation groove of the common die cavity, wherein the indentation groove 22 is used for the upper cover B, and the indentation groove 23 is used for the lower cover A. When the indentation forming die moves upwards to a certain position during operation, the indentation forming die and the upper cup die are combined together to carry out joint indentation forming on the upper cover and the lower cover, and the indentation formed upper cover and the indentation formed lower cover are shown in figures 5 and 12. The fourth station 4 is provided with an ultrasonic die head 25 below the upper cup die, and the ultrasonic die head 25 is movably arranged up and down. In operation, after the ultrasonic die head moves up to the position, the ultrasonic die head and the upper cup mold are combined together to perform ultrasonic bonding of the upper cover and the lower cover, and the ultrasonic bonded upper cover and lower cover are shown in figures 6 and 12. A fifth station 5 is provided with a hot air head 26 below the upper cup mold, and the hot air head 26 is movably arranged up and down and used for preheating the lower cover, as shown in figure 7; a sixth station 6 is provided with a rolling wheel 27 below the upper cup die for rolling the lower cover ring groove, as shown in fig. 8; the seventh station 7 is provided with a hot air head 28 below the upper cup mold, the hot air head 28 is movably arranged up and down and is used for heating the lower cover, as shown in fig. 9; the eighth station 8 is provided with a curling die 29 below the upper cup die and used for curling the lower cover, as shown in fig. 10; the ninth station 9 is provided with a rolling wheel 30 below the upper cup die for rolling the lower cover, see fig. 11. The double-layer paper cover forming machine has the advantages that the forming production of double-layer paper covers can be achieved through the arrangement of the rotary table, the upper cup mold arranged on the rotary table is provided with the upper cover and the lower cover forming shared mold cavity, in operation, the lower cover and the upper cover are synchronously fed in the first station and the second station, firstly, the part of the lower layer paper cover which needs to be formed independently is formed in the first station, then the part of the upper layer paper cover which needs to be formed independently is formed in the second station, meanwhile, the upper layer paper cover and the lower layer paper cover are combined preliminarily in the second station, next, the part of the upper layer paper cover and the lower layer paper cover which can be formed together is formed in the subsequent stations, the ultrasonic bonding of the upper layer paper cover and the lower layer paper cover is achieved, the forming production of the double-layer paper covers is further completed, and the equipment structure is simple and compact.
The invention relates to a double-layer paper cover forming process, wherein the formed double-layer paper cover is in a ladder design with an upper cover and a lower cover combined, and the forming process comprises the following steps: firstly, as shown in fig. 3, a lower cover paper sheet is sent into a cup mold of a double-layer paper cover forming machine, and the stretching forming of the part of the lower cover needing to be stretched is carried out; secondly, as shown in fig. 4, the upper cover paper sheet is sent into a cup mold, the stretching forming of the part of the upper cover needing to be stretched is carried out, and meanwhile, the upper cover and the lower cover which are formed by stretching are preliminarily combined and positioned in the cup mold; thirdly, as shown in fig. 5, the upper cover and the lower cover can be molded in the cup mold at the same time; fourthly, as shown in figure 6, the upper cover and the lower cover are bonded in the cup mold by ultrasonic waves, so that the double-layer paper cover combined by the upper cover and the lower cover is formed preliminarily; fifthly, as shown in fig. 7, the lower cover in the cup mold is heated by hot air blowing; sixthly, referring to fig. 8, rolling a ring groove on the periphery of the opening of the lower cover in the cup mold; seventhly, as shown in fig. 9, the lower cover in the cup mold is heated again by hot air blowing; eighthly, referring to fig. 10, in the cup mold, performing a hemming process of the opening of the lower cover; ninthly, as shown in fig. 11, rolling the opening curled edge of the lower cover in the cup mold to completely form the double-layer paper cover combined by the upper cover and the lower cover; step ten, cooling the double-layer paper cover in the cup mold; and step eleven, sending the double-layer paper cover out of the cup mold to finish the production of the double-layer paper cover.
Claims (2)
1. Double-deck paper lid forming process, fashioned double-deck paper lid is the ladder design of upper and lower cover combination, its characterized in that: the forming of the double-layer paper cover is completed on a turntable, an upper cup mold is arranged on each station of the turntable, the upper cup mold consists of a cup mold outer sleeve and a section mold arranged in an inner hole of the cup mold outer sleeve, and a shared mold cavity for forming the upper cover and the lower cover is defined between the lower surface of the section mold and the inner hole of the cup mold outer sleeve; in the first step of the double-layer paper cover forming step, a lower cover drawing die arranged below an upper cup die moves upwards, a lower cover paper sheet is sent into the upper cup die, the shape of a die head of the lower cover drawing die is matched with that of a lower cover part of a common die cavity, and the lower cover drawing die and the upper cup die are combined together to carry out drawing forming on a part of a lower cover to be drawn after the lower cover drawing die moves upwards to a certain position; secondly, an upper cover drawing die arranged below the upper cup die moves upwards, an upper cover paper sheet is fed into the upper cup die, the shape of a die head of the upper cover drawing die is matched with that of an upper cover part of the common die cavity, the upper cover drawing die and the upper cup die are combined to draw and form the part of the upper cover needing to be drawn after the upper cover drawing die moves upwards to a proper position, and then the upper cover and the lower cover which are drawn and formed in the upper cup die are preliminarily combined and positioned; thirdly, the upper cover and the lower cover can be simultaneously molded, and the molded parts are molded in an upper cup mold; fourthly, performing ultrasonic bonding on the upper cover and the lower cover in the upper cup mold to preliminarily form the double-layer paper cover combined by the upper cover and the lower cover; fifthly, heating the lower cover in the upper cup mold through hot air blowing; and then, opening the lower cover, and finally, completely forming the double-layer paper cover combined by the upper cover and the lower cover and sending the formed double-layer paper cover out of the upper cup mold.
2. The double-layer paper cover forming process according to claim 1, wherein: the processing of the lower cover opening comprises a sixth step of rolling a ring groove at the periphery of the lower cover opening in an upper cup mold; seventhly, reheating the lower cover in the upper cup mold through hot air blowing; eighthly, performing edge curling treatment on the opening of the lower cover in the upper cup mold; ninth, rolling the opening curled edge of the lower cover in the upper cup mold to completely form the double-layer paper cover combined by the upper cover and the lower cover; step ten, cooling the double-layer paper cover in the upper cup mold; and step eleven, sending the double-layer paper cover out of the upper cup mold to finish the production of the double-layer paper cover.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011370260.XA CN112549659B (en) | 2020-11-30 | 2020-11-30 | Double-layer paper cover forming process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011370260.XA CN112549659B (en) | 2020-11-30 | 2020-11-30 | Double-layer paper cover forming process |
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| CN112549659A CN112549659A (en) | 2021-03-26 |
| CN112549659B true CN112549659B (en) | 2022-11-01 |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100361612C (en) * | 2004-12-08 | 2008-01-16 | 黄友总 | Hollow paper cup and its making devices |
| CN201534396U (en) * | 2009-11-14 | 2010-07-28 | 浙江新立机械有限公司 | Forming machine for paper cup with inner cup and outer sleeve |
| CN201745219U (en) * | 2010-07-07 | 2011-02-16 | 李海兵 | Paper cover molding machine |
| CN207128340U (en) * | 2017-08-31 | 2018-03-23 | 浙江新德宝机械有限公司 | Annular knurl outer patch machine |
| CN109677013B (en) * | 2018-12-10 | 2024-03-15 | 浙江国豪机械有限公司 | Paper cover forming machine, paper cover forming method and paper cover |
| CN109703105B (en) * | 2019-03-06 | 2023-11-21 | 浙江国豪机械有限公司 | Full-automatic paper cover forming machine |
| CN109732997B (en) * | 2019-03-06 | 2020-06-02 | 浙江国豪机械有限公司 | Paper cover forming method |
| CN110497654B (en) * | 2019-08-31 | 2020-10-02 | 瑞安市明国机械有限公司 | Station arrangement structure of paper cup cover forming machine |
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| CB02 | Change of applicant information |
Address after: 325200 fengzhai natural village, Wandu village, Wanquan Town, Pingyang County, Wenzhou City, Zhejiang Province Applicant after: ZHEJIANG NEW DEBAO MACHINERY Co.,Ltd. Address before: No.23, Wansheng Road, furniture Park, Wanquan light industry base, Pingyang County, Wenzhou City, Zhejiang Province 325400 Applicant before: ZHEJIANG NEW DEBAO MACHINERY Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Forming process of double-layer paper cover Effective date of registration: 20230209 Granted publication date: 20221101 Pledgee: Pingyang County sub branch of Agricultural Bank of China Ltd. Pledgor: ZHEJIANG NEW DEBAO MACHINERY Co.,Ltd. Registration number: Y2023330000337 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |