阅读说明：本技术 卷管纸盖生产工艺 (Production process of reelpipe paper cover ) 是由 章明国 于 2021-02-01 设计创作，主要内容包括：本发明公开了一种卷管纸盖生产工艺,其特征在于包括以下步骤：卷管装置将输送的一层或多层纸带以螺旋卷制方式卷成纸管,随后纸管切断装置将纸管进行定长切断,切断的纸管被推送至纸盖成型模上,纸盖成型模随第一分度转盘作多工位的圆周转动,在纸管被推送至纸盖成型模上之前或之后,有纸盖片冲切装置冲切纸盖片并将纸盖片推送至纸盖成型模内,纸盖片的外圆同时形成外折边；在纸管与纸盖片在纸盖成型模上完成套合后,翻口装置将纸管上端部进行内折翻口,内折翻口将纸盖片的外折边进行压住固定,最后推料装置将结合的纸管、纸盖片推离纸盖成型模。本发明可实现卷管纸盖的全自动化生产,结构简单。(The invention discloses a production process of a reel pipe paper cover, which is characterized by comprising the following steps of: the pipe coiling device coils one or more layers of paper tapes into a paper pipe in a spiral coiling mode, then the paper pipe cutting device cuts the paper pipe into fixed length, the cut paper pipe is pushed to a paper cover forming die, the paper cover forming die rotates along with a first indexing turntable in a multi-station circumference mode, before or after the paper pipe is pushed to the paper cover forming die, a paper cover sheet punching device punches a paper cover sheet and pushes the paper cover sheet into the paper cover forming die, and an outer edge of the outer circle of the paper cover sheet forms an outer folded edge at the same time; after the paper tube and the paper cover sheet are sleeved on the paper cover forming die, the upper end part of the paper tube is internally folded and turned by the flanging device, the outer folded edge of the paper cover sheet is pressed and fixed by the internally folded flanging, and finally the combined paper tube and the paper cover sheet are pushed away from the paper cover forming die by the pushing device. The invention can realize the full-automatic production of the reelpipe paper cover and has simple structure.)

1. The production process of the pipe coiling paper cover is characterized by comprising the following steps: the pipe coiling device coils one or more layers of paper tapes into a paper pipe in a spiral coiling mode, then the paper pipe cutting device cuts the paper pipe into fixed length, the cut paper pipe is pushed to a paper cover forming die, the paper cover forming die rotates along with a first indexing turntable in a multi-station circumference mode, before or after the paper pipe is pushed to the paper cover forming die, a paper cover sheet punching device punches a paper cover sheet and pushes the paper cover sheet into the paper cover forming die, and an outer edge of the outer circle of the paper cover sheet forms an outer folded edge at the same time; after the paper tube and the paper cover sheet are sleeved on the paper cover forming die, the upper end part of the paper tube is internally folded and turned by the flanging device, the outer folded edge of the paper cover sheet is pressed and fixed by the internally folded flanging, and finally the combined paper tube and the paper cover sheet are pushed away from the paper cover forming die by the pushing device.

2. The roll pipe paper cover production process according to claim 1, wherein: before the flanging device folds the outer end part of the paper tube inwards and flanging the paper tube, a gluing device is used for coating hot melt glue on the inwards folded flanging part.

3. The roll pipe paper cover production process according to claim 1, wherein: before or after the paper cover sheet punching device punches the paper cover sheet, the round cover sheet punching device punches the round cover sheet and pushes the round cover sheet into the paper cover forming die.

4. The roll pipe paper cover production process according to claim 1, wherein: after the combined paper tube and paper cover sheet are pushed away from the paper cover forming die, the combined paper tube and paper cover sheet enter a cover bottom shaping die, and the cover bottom shaping die circularly rotates in multiple stations along with a second indexing turntable to shape the lower end part of the paper tube and press an annular buckling groove on the excircle of the paper tube.

Technical Field

The invention relates to a production process of a reelpipe paper cover.

Background

The paper cover is environment-friendly and sanitary, and is easy to realize automatic production on the paper cover machine, so the paper cover machine is popular with the majority of users, but after the caliber of the paper cover is large, the integral strength is not enough, and the paper cover machine cannot adopt thick paper to produce the paper cover; in order to solve the problems, paper tubes are used for manufacturing paper covers in the market at present, but the paper tubes and the paper covers can only be produced manually or semi-automatically, the existing mature paper cover machine technology cannot be used for completing full-automatic production, and the production efficiency is low.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the production process of the reelpipe paper cover, which can realize the full-automatic production of the reelpipe paper cover and has a simple structure.

The invention is implemented by the following technical scheme:

the production process of the pipe coiling paper cover is characterized by comprising the following steps: the pipe coiling device coils one or more layers of paper tapes into a paper pipe in a spiral coiling mode, then the paper pipe cutting device cuts the paper pipe into fixed length, the cut paper pipe is pushed to a paper cover forming die, the paper cover forming die rotates along with a first indexing turntable in a multi-station circumference mode, before or after the paper pipe is pushed to the paper cover forming die, a paper cover sheet punching device punches a paper cover sheet and pushes the paper cover sheet into the paper cover forming die, and an outer edge of the outer circle of the paper cover sheet forms an outer folded edge at the same time; after the paper tube and the paper cover sheet are sleeved on the paper cover forming die, the upper end part of the paper tube is internally folded and turned by the flanging device, the outer folded edge of the paper cover sheet is pressed and fixed by the internally folded flanging, and finally the combined paper tube and the paper cover sheet are pushed away from the paper cover forming die by the pushing device.

Before the flanging device folds the outer end part of the paper tube inwards and flanging the paper tube, a gluing device is used for coating hot melt glue on the inwards folded flanging part.

Before or after the paper cover sheet punching device punches the paper cover sheet, the round cover sheet punching device punches the round cover sheet and pushes the round cover sheet into the paper cover forming die.

After the combined paper tube and paper cover sheet are pushed away from the paper cover forming die, the combined paper tube and paper cover sheet enter a cover bottom shaping die, and the cover bottom shaping die circularly rotates in multiple stations along with a second indexing turntable to shape the lower end part of the paper tube and press an annular buckling groove on the excircle of the paper tube.

After the technology is adopted, one or more layers of paper tapes are coiled into the paper tube in a spiral coiling mode, the paper tube is cut at a fixed length after the paper tube is formed, the cut paper tube is conveyed to the paper cover forming die of the paper cover machine in the prior art at the same time, and then the paper cover forming die of the paper cover machine is only required to be adaptively changed, so that the full-automatic production of the coiled paper cover can be realized, the structure is simple, and the produced coiled paper cover can have very high strength so as to adapt to the matching use of a large-diameter paper container.

Drawings

The invention has the following drawings:

figure 1 is an outline structure view of the reel pipe paper cover,

figure 2 is an axial cross-sectional view of figure 1,

figure 3 is a view of the split structure of figure 1,

FIG. 4 is a perspective structural view of a roll pipe paper cover production apparatus for implementing the production process of the present invention,

figure 5 is a top directional diagram of figure 4,

figure 6 is a block diagram of a first embodiment of a paper lid forming die,

figure 7 is a block diagram of a second embodiment of a paper lid forming die,

figure 8 is an enlarged view of portion M of figure 6,

fig. 9 is an enlarged view of the portion N of fig. 7.

Detailed Description

As shown in fig. 1-3, the roll paper cover produced by the present invention includes a hollow paper tube a1 and a paper cover sheet a2 arranged in the hollow paper tube a1, the hollow paper tube a1 is formed by spirally winding a plurality of layers of paper tapes (generally two or three layers) and cutting them to a fixed length to increase the strength of the paper tube, the tube wall of the hollow paper tube a1 is a spirally wound paper tape, the spiral line is a13, the outer circle of the paper cover sheet a2 has an outer folded edge a21, the upper end of the hollow paper tube a1 has an inner folded opening a11 to press the outer folded edge a21, the inner folded opening may be an inner folded edge or an inner folded edge, a layer of circular cover sheet A3 is arranged above or below the paper cover sheet a2, the paper cover sheet a2 is provided with an air hole a22, the circular cover sheet A3 is provided with an air hole a31, the paper cover sheet, the circular cover sheets a22 and a31 are staggered with an annular air hole 1 a 12.

As shown in fig. 4-5, the apparatus for manufacturing rolled paper caps according to the present invention comprises a first index rotary table 1 and a second index rotary table 3, wherein a paper cap forming mold 2 is installed on the first index rotary table 1, a cap bottom shaping mold 4 is installed on the second index rotary table 3, an upper disc station, an upper paper tube station, an upper paper cap station, a gluing station, a flanging station, a knurling station and a cap station are installed on the outer circumference of the first index rotary table 1, a disc punching device 5 is installed corresponding to the upper disc station, the disc punching device 5 punches a disc A3 and pushes the disc into the paper cap forming mold 2, a paper tube loading device is installed corresponding to the upper paper tube station, a paper cap punching device 6 is installed corresponding to the upper paper cap station, the paper cap punching device 6 punches a paper cap a2 and pushes the paper cap into the paper forming mold 2, and the paper cap a2 forms an outer folded edge a21, a gluing device 7 is arranged corresponding to a gluing station, when the gluing device 7 works, hot melt adhesive is coated on an inward-folding flanging position of a paper tube A1, flanging devices 8 and 9 are arranged corresponding to flanging stations, when the flanging devices 8 and 9 work, the upper end of the paper tube A1 is inwards folded and flanging, an outward-folding edge A21 of a paper cover plate is pressed and fixed by the inward-folding flanging A11, the paper tube A1 and the paper cover plate A2 are connected into a whole, the inward-folding flanging can be an inward-curling edge or an inward-curling edge, a knurling device 10 is arranged corresponding to a knurling stations, the knurling device 10 carries out knurling treatment on the inward-folding edge of the upper end of the paper tube A1, if the upper end of the paper tube is the inward-curling edge, the knurling device does not work correspondingly, and the combined paper tube A1 and the paper cover plate A2 are pushed away from a paper cover forming die 2 by the top; the outer circumference of the second indexing rotary disc 3 is provided with a cover feeding station, a crimping station and a cover discharging station, the cover feeding station is aligned with the top cover station, the cover bottom shaping die 4 receives the paper tube and the paper cover sheet coming out of the paper cover shaping die 2, the crimping station is provided with crimping devices 11 and 12, the crimping devices 11 and 12 perform external crimping or other shaping treatment on the lower port of the paper tube A1 when working, and if the outer circumference of the second indexing rotary disc is provided with a catching groove pressing station, the correspondingly arranged catching groove pressing device can perform annular catching groove A12 pressing on the outer circumference of the paper tube when working.

The paper tube feeding device comprises a paper frame 17, a gluing device 16, a tube coiling device 14, a paper tube cutting device 15 and a paper tube pushing device, wherein the paper frame 17 is used for mounting multiple layers of paper tapes, the gluing device 16 is used for gluing middle layers of the paper tapes, the tube coiling device 14 is used for spirally coiling the paper tapes, the paper tapes are spirally coiled on a central shaft rod 13 to form a paper tube, the front rod end of the central shaft rod 13 extends to a position close to a paper cover forming die of an upper paper tube station and is aligned with the paper cover forming die 2, the paper tube cutting device 15 is used for cutting the paper tube at a fixed length, and the paper tube pushing device is used for pushing the cut paper tube forwards; when the paper tube feeding device works, multiple layers (such as three layers) of paper tapes are fed out simultaneously, the middle layer of paper tape is glued through the gluing device 16, then the three layers of paper tapes are mutually glued and spirally wound at the pipe coiling device 14, so that a paper tube is formed at the outer circle of the central shaft rod 13, then the paper tube conveyed on the central shaft rod 13 is cut at a fixed length by the paper tube cutting device 15 at the front end position, and then the paper tube pushing device clamps the cut paper tube and pushes the paper tube to the paper cover forming die 2 to finish the feeding action of the paper tube.

As shown in fig. 6 and 8, the paper cover forming mold 2 includes a mold sleeve 21 fixedly mounted on the first index rotary table 1, the front end of the mold sleeve 21 is fixedly connected to a mold cavity sleeve 24, the end of the mold cavity sleeve 24 has a mold cavity hole 27, an adjusting and positioning sleeve 22 is disposed on the outer circle of the mold cavity sleeve 24 at the mold cavity hole 27, the wall thickness of the mold cavity sleeve 24 at the mold cavity hole 27 is controlled to be about 1mm, a material pushing head 23 is disposed in the mold cavity hole 27, the material pushing head 23 is connected to the front rod end of the material pushing rod 25, the rear rod end of the material pushing rod 25 is connected to a roller 26, when the roller 26 is pushed, the material pushing rod 25 pushes the material pushing head 23 forward, so as to push the paper tube a1 and the paper cover sheet a2 on the paper cover forming mold away from the formed.

As shown in fig. 7 and 9, the paper cover forming mold 2 includes a mold sleeve 21 fixedly mounted on the first index rotary table 1, a mold cavity sleeve 24 is fixedly connected to a front end of the mold sleeve 21, a mold cavity hole is formed in an end portion of the mold cavity sleeve 24, a material pushing head 23 is arranged in the mold cavity hole, a thickness space 28 slightly larger than a paper tube a1 is left between an outer circle of the material pushing head 23 and the mold cavity hole, the material pushing head 23 is connected to a front rod end of a material pushing rod 25, a rear rod end of the material pushing rod 25 is connected to a roller 26, when the roller 26 is pushed, the material pushing rod 25 pushes the material pushing head 23 forward, and the paper tube a1 and a paper cover sheet a2 on the paper cover forming mold are pushed away from the formed paper cover forming mold.

The invention relates to a production process of a pipe coiling paper cover, which comprises the following steps: the reelpipe device 14 rolls the conveyed multilayer paper tape into a paper pipe in a spiral rolling mode, then the paper pipe cutting device 15 cuts the paper pipe into a fixed length, the cut paper pipe A1 is pushed onto a paper cover forming die 2 (see the paper cover forming die shown in figures 6 and 8), the paper cover forming die 2 rotates with the first indexing turntable 1 in a multi-station circumference mode, before the paper pipe is pushed onto the paper cover forming die, a circular cover sheet punching device 5 punches a circular cover sheet A3 and pushes the circular cover sheet into a die cavity hole 27 of the paper cover forming die 2, after the paper pipe is pushed onto the paper cover forming die, a paper cover sheet punching device 6 punches a paper cover sheet A2 and pushes the paper cover sheet into a die cavity hole 27 of the paper cover forming die, and an outer circle of the paper cover sheet A2 forms an outer folded edge A21 at the same time; after the paper tube A1 and the paper cover sheet A2 are sleeved on the paper cover forming die 2, the gluing device 7 coats hot melt glue to an inward-folding flanging part (including an outer folding edge of the paper cover sheet), the flanging devices 8 and 9 perform inward-folding flanging on the upper end part of the paper tube A1, the inward-folding flanging A11 presses and fixes the outer folding edge A21 of the paper cover sheet to enable the paper tube and the paper cover sheet to be connected into a whole, and finally, the material pushing head 23 in the paper cover forming die 2 pushes the combined paper tube and the paper cover sheet away from the paper cover forming die 2 at a cover outlet station; after the combined paper tube and paper cover sheet are pushed away from the paper cover forming die 2, the combined paper tube and paper cover sheet enter the cover bottom shaping die 4, the cover bottom shaping die 4 rotates along with the second indexing turntable 3 in a multi-station circumferential mode, the lower port of the paper tube A1 is subjected to outer edge curling by the edge curling devices 11 and 12, and if the outer circumference of the second indexing turntable 3 is provided with a catching groove pressing station, the corresponding catching groove pressing device can perform pressing operation of the annular catching groove A12 on the excircle of the paper tube.