WO2020211884A2 - 一种上下膜一体式包装袋的加工设备及其加工方法 - Google Patents

一种上下膜一体式包装袋的加工设备及其加工方法 Download PDF

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Publication number
WO2020211884A2
WO2020211884A2 PCT/CN2020/096623 CN2020096623W WO2020211884A2 WO 2020211884 A2 WO2020211884 A2 WO 2020211884A2 CN 2020096623 W CN2020096623 W CN 2020096623W WO 2020211884 A2 WO2020211884 A2 WO 2020211884A2
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Prior art keywords
film
main film
packaging bag
side organ
fold
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PCT/CN2020/096623
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English (en)
French (fr)
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WO2020211884A3 (zh
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王剑
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上海洲泰轻工机械制造有限公司
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Publication of WO2020211884A2 publication Critical patent/WO2020211884A2/zh
Publication of WO2020211884A3 publication Critical patent/WO2020211884A3/zh

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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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/005—Making flexible containers, e.g. envelopes or bags involving a particular layout of the machinery or relative arrangement of its subunits
    • 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2155/00—Flexible containers made from webs
    • B31B2155/001—Flexible containers made from webs by folding webs longitudinally
    • 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2170/00—Construction of flexible containers
    • B31B2170/30—Construction of flexible containers having corrugated or pleated walls

Definitions

  • the invention relates to the technical field of packaging bag processing equipment, in particular to a processing equipment and a processing method for an upper and lower film integrated packaging bag.
  • Packaging bags refer to bags used to pack various supplies, so that the goods are easy to transport and store in the production and circulation process. They are widely used in daily life and industrial production. The actual figures show that 80% of plastic bags are used. Like general garbage, it is transported to the garbage dump area for disposal, and only 7% of the plastic is recycled for recycling.
  • plastic bags There are two types of packaging bags: paper bags and plastic bags. Generally, the production cost of plastic bags is lower, but the environmental pollution caused is also more serious. In order to improve the recyclability of plastic bags, modern plastic bags are made more solid and firm. The colors are also more attractive, but they are mostly directly related to brand trademarks. In the production process of packaging bags, the curse of equipment is inseparable.
  • Existing packaging bag production equipment usually uses pressing methods to process packaging bags. That is to say, two independent film materials are selected for the raw materials, and the upper and lower film materials are pressed together by the equipment. At the same time, although this production method is simple and fast, there are many inferior plastic bags produced. For example, the pressure joint is skewed and the pressure joint is not firmly pressed, which makes the plastic bag very easy to crack and poor quality.
  • the present invention provides a processing equipment and a processing method for an upper and lower film integrated packaging bag, which solves the problems raised in the background art.
  • a processing equipment for an upper and lower film integrated packaging bag including a main film conveying device, a side organ film conveying device, a side organ film folding device, a main film folding device, and a cutting line Device, spot ironing device, template forming device, side organ folding device and cutting device, among them,
  • the main film conveying device is used to transport the main film
  • the side organ film conveying device is used for conveying the side organ film
  • the side organ film folding device is used for folding the side organ film in half to form the side organ material
  • the main film folding device is used to fold the main film in half to form an integrated upper and lower two-layer film
  • the thread cutting device is used to roll out a half-folded dotted line on the main film
  • the scorching device is used to scorch the side organ material on the main film
  • the template forming device is used for packaging bag forming
  • the side organ corner folding device is used for folding the side organ material to form a rhombus bottom
  • the cutting device is used to cut the packaging bag.
  • the side organ film folding device is specifically located in the fold line area, and is used to fold the side organ film in half to form a two-fold bottom, and send the folded side organ film to the main film to form the side organ material after being cut.
  • the side organ materials are equidistantly arranged in parallel along the long side direction of the main film, and the side organ materials are of equal length.
  • the main film half-folding device is specifically a half-folding device, and the half-folding device includes a vertical roller and a smoothing roller, the vertical rollers and the smoothing rollers are placed perpendicular to each other, and the vertical rollers and the smoothing rollers do not intersect.
  • the main film is turned to a leveling roller by a vertical roller, and the leveling rollers are provided with two upper and lower leveling rollers.
  • the main film passes through the gap between the leveling rollers to complete the centering and half folding, forming an integrated upper and lower two membrane.
  • the thread cutting device is specifically a hob.
  • the hob rolls out a half-folding dotted line on the half-folding side of the main film, and the half-folding dotted line is correspondingly arranged on the upper and lower films of the main film.
  • the scorching device is specifically a triangular scalping block, which scorches the head of the side organ material on the main film.
  • the template forming device includes a pressing plate module, a bottom inserting inner template, an auxiliary pressing wheel, an upper template, a lower template, and a pressing template.
  • the auxiliary pressing wheel is used to fold the bottom of the main film according to the half-folding dotted line, and The bottom folds of the main film are clamped to keep the bottom folds of the main film fixed.
  • the bottom inserting inner template is used to open the bottom of the main film.
  • the pressing plate modules are arranged on the upper and lower sides to fold the bottom of the main film. Flatten the sides of the edges.
  • the upper template and the lower template are respectively located outside the upper and lower films of the main film, and are used to fold back the bottom edge of the main film, and the pressing template is used to press the bottom edge of the main film.
  • the present invention also provides a method for processing the upper and lower film integrated packaging bag, the specific operation steps are as follows:
  • the first step the main film conveying device continuously conveys the main film along the length of the main film, and the side organ film conveying device continuously conveys the side organ film in the vertical direction of the main film length;
  • Step 2 The side organ film passes through the fold line area and is folded in half by the side organ film folding device to form a two-fold bottom.
  • the folded side organ film is fed to the main film and cut at equal distances to determine the spacing and continue feeding The next section of side organ film, so that the side organ material is formed on the main film;
  • the third step Fold the main film in half through the main film half-folding device, and the obtained main film after half-folding is continued to be conveyed through the supporting roller;
  • the fourth step use the cutting device to cut the fold side of the main film, specifically by cutting out the corresponding fold dashed lines on the upper and lower films of the main film with a hob, so as to facilitate subsequent bottom forming;
  • Step 5 Use a triangular ironing block to heat the head of the side organ material, and heat the side organ material on the main film;
  • Step 6 Utilize the pressure plate module, the insert bottom inner template and the auxiliary pressure wheel to shape the bottom of the main film according to the size of the template, and the side organ material is folded by the side organ cornering device to form a rhombus bottom;
  • Step 7 Use the upper template, the lower template and the pressing template to press the main film, so that the bottom edge of the main film is folded back, and the bottom is finally formed to form a continuous packaging bag;
  • the eighth step through the cutting device, the continuous packaging bags are cut according to the cutting line, and after cutting, a finished packaging bag with a square bottom is formed.
  • the present invention provides a processing equipment and a processing method for an upper and lower film integrated packaging bag, which has the following beneficial effects: the processing equipment and a processing method for the upper and lower film integrated packaging bag use a single-layer film as the raw material of the packaging bag instead of In the traditional packaging bag processing, a two-layer film raw material production method is used.
  • Figure 1 is a schematic diagram of the forming structure of the side organ material of the present invention.
  • FIG. 2 is a schematic diagram of the structure of the main film of the present invention when folded in half;
  • FIG. 3 is a schematic diagram of the structure of the present invention when the broken line is cut in half;
  • FIG. 4 is a schematic diagram of the structure of the side organ material of the present invention when it is hot;
  • Figure 5 is a schematic diagram of the bottom forming structure of the packaging bag of the present invention.
  • Figure 6 is a schematic diagram of the forming structure of the packaging bag of the present invention.
  • Fig. 7 is a schematic diagram of the structure of the pressing template of the present invention after exiting
  • Figure 8 is a schematic structural diagram of the packaging bag of the present invention when it is flat;
  • Figure 9 is a schematic diagram of the finished product structure of the packaging bag of the present invention.
  • the present invention provides a technical solution: a processing equipment for upper and lower film integrated packaging bags, including a main film conveying device, a side organ film conveying device, a side organ film folding device, and a main film folding device , Thread cutting device, spot ironing device, template forming device, side organ folding device and cutting device, among them,
  • the main film conveying device is used to transport the main film 1;
  • the side organ film conveying device is used to convey the side organ film 2;
  • the side organ film folding device is used to fold the side organ film 2 in half to form the side organ material 4;
  • the main film folding device is used to fold the main film 1 in half to form an integrated upper and lower two-layer film;
  • the thread cutting device is used to roll out the broken line 10 on the main film 1;
  • the ironing device is used to iron the side organ material on the main film 1 at 4 points;
  • Template forming device is used for packaging bag forming
  • the side organ corner folding device is used to fold the side organ material 4 corners to form a rhombus bottom
  • the cutting device is used to cut the packaging bag
  • the side organ film folding device is specifically located in the fold line area 3, which is used to fold the side organ film 2 in half to form a two-fold bottom, and send the folded side organ film 2 to the main film 1 to form Side organ materials 4, side organ materials 4 are equidistantly arranged in parallel along the long side direction of the main membrane 1, and the side organ materials 4 are of equal length;
  • the main film folding device is specifically a half-folding device 6, and the half-folding device 6 includes a vertical roller 5 and a smoothing roller 7, the vertical roller 5 and the smoothing roller 7 are placed perpendicular to each other, and the vertical roller 5 and the smoothing roller 7 does not intersect, the main film 1 passes through the vertical roller 5 and turns to the leveling roller 7.
  • the leveling roller 7 is set up and down. The main film 1 passes through the gap between the leveling rollers 7 to complete the centering and half folding, forming an integrated upper and lower two membrane;
  • the thread cutting device is specifically a hob 9.
  • the hob 9 rolls out a half-folding dashed line 10 on the half-folding side of the main film 1, and the half-folding dashed line 10 is correspondingly arranged on the upper and lower films of the main film 1;
  • the hot-spotting device is specifically a triangular hot block 11, which hot-spots the head of the side organ material 4 on the main film 1;
  • the template forming device includes a pressing plate module 12, a bottom inserting inner template 13, an auxiliary pressing wheel 14, an upper template 15, a lower template 16 and a pressing template 17.
  • the auxiliary pressing wheel 14 is used to fold the main film according to the dashed line 10 1 Fold the bottom and clamp the bottom folds of the main film 1 to keep the bottom folds of the main film 1 fixed.
  • the present invention also provides a method for processing the upper and lower film integrated packaging bag, the specific operation steps are as follows:
  • Step 1 The main film conveying device continuously conveys the main film 1 along the length of the main film 1, and the side organ film conveying device continuously conveys the side organ film 2 along the vertical direction of the length of the main film 1;
  • Step 2 The side organ film 2 passes through the fold line area 3 and is folded in half by the side organ film folding device to form a two-fold bottom.
  • the folded side organ film 2 is fed to the main film 1 and cut at equal distances to determine the distance to continue Feed the next section of side organ film 2 to form side organ material 4 on the main film 1;
  • the third step Fold the main film 1 in half through the main film half-folding device, and the obtained main film 1 after half-folding is continued to be conveyed through the idler 8;
  • Step 4 Use a thread cutting device to cut the fold side of the main film 1, specifically by using a hob 9 to cut out the corresponding fold dashed lines 10 on the upper and lower films of the main film 1 to facilitate subsequent bottom forming;
  • Step 5 Use the triangular ironing block 11 to hot the head of the side organ material 4, and heat the side organ material on the main film 1 at 4 points;
  • Step 6 Utilize the pressure plate module 12, the insert bottom inner template 13 and the auxiliary pressure wheel 14, so that the bottom of the main film 1 is shaped according to the template size, and the side organ material 4 is folded by the side organ cornering device to form a rhombus bottom;
  • Step 7 Use the upper template 15, the lower template 16 and the press template 17 to press the main film 1, so that the bottom edge of the main film 1 is folded back, and the bottom is finally formed to form a continuous packaging bag;
  • the eighth step through the cutting device, the continuous packaging bags are cut according to the cutting line 18, and after cutting, a finished packaging bag with a square bottom is formed.

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Abstract

本发明公开了一种上下膜一体式包装袋的加工设备及其加工方法，涉及包装袋加工设备技术领域，具体为主膜输送装置、侧风琴膜输送装置、侧风琴膜对折装置、主膜对折装置、切线装置、点烫装置、模板成形装置、侧风琴折角装置和切断装置。该上下膜一体式包装袋的加工设备及其加工方法，采用单层膜作为包装袋原料，取代了传统包装袋加工中采用两层膜原料的生产方式，不需要将两层膜料进行压烫，也就不会造成包装袋压合处出现偏斜或未压牢的问题，极大地提高了包装袋成品的牢固度，采用单层膜作为原料，更是将包装袋的材料损耗降至最低，减少了包装袋生产过程中，因裁边所造成的大量废料的产生。

Description

一种上下膜一体式包装袋的加工设备及其加工方法 技术领域
本发明涉及包装袋加工设备技术领域，具体为一种上下膜一体式包装袋的加工设备及其加工方法。
背景技术
包装袋是指用于包装各种用品的袋子，使货物在生产流通过程中方便运输，容易存储，广泛用于日常生活和工业生产中，实际数字显示，有80％使用后的塑料袋，最终与一般垃圾一样被运至垃圾堆田区处理，仅有百分之七的塑料被回收循环使用。
包装袋分纸质袋和塑料袋两种，通常塑料袋的生产成本更低，但是所造成的环境污染也比较严重，现代为了提高塑料袋的循环使用性，将塑料袋制作得更加坚实牢固，花色也更加好看，但多与品牌商标直接关联，包装袋的生产过程中，离不开设备的加持。
现有的包装袋生产设备，通常是采用压烫的方式来进行包装袋的加工，也就是说，原料上选用的是上下两片独立的膜料，用设备将上下两片膜料压合在一起，这样的生产方式虽然简便快捷，但是所产出的劣质塑料袋很多，比如压合处偏斜、压合处未压牢，造成塑料袋非常容易开裂，质量不佳。
发明内容
针对现有技术的不足，本发明提供了一种上下膜一体式包装袋的加工设备及其加工方法，解决了上述背景技术中提出的问题。
为实现以上目的，本发明通过以下技术方案予以实现：一种上下膜一体式包装袋的加工设备，包括主膜输送装置、侧风琴膜输送装置、侧风琴膜对折装置、主膜对折装置、切线装置、点烫装置、模板成形装置、侧风琴折角装置和切断装置，其中，
所述主膜输送装置用于输运主膜；
所述侧风琴膜输送装置用于输送侧风琴膜；
所述侧风琴膜对折装置用于对折侧风琴膜，以形成侧风琴料；
所述主膜对折装置用于将主膜进行对中对折，形成一体的上、下两层膜；
所述切线装置用于在主膜上滚出对折虚线；
所述点烫装置用于将侧风琴料点烫在主膜上；
所述模板成形装置用于包装袋成形；
所述侧风琴折角装置用于对侧风琴料折角，形成菱形底；
所述切断装置用于切断包装袋。
可选的，所述侧风琴膜对折装置具体位于折线区，用于将侧风琴膜进行对折，形成两折底，并将对折的侧风琴膜送至主膜上，切断后形成侧风琴料。
可选的，所述侧风琴料沿主膜的长边方向等距平行设置，且侧风琴料之间等长。
可选的，所述主膜对折装置具体为对折装置，且对折装置包括立辊和平整辊，所述立辊和平整辊之间呈相互垂直放置，且立辊和平整辊不相交。
可选的，所述主膜经过立辊转向至平整辊，所述平整辊共设置上下两个，所述主膜穿过平整辊之间间隙，完成对中对折，形成一体的上、下两膜。
可选的，所述切线装置具体为滚刀，所述滚刀在主膜的对折侧滚出对折虚线，且对折虚线在主膜的上、下两膜呈相对应设置。
可选的，所述点烫装置具体为三角烫块，所述三角烫块将侧风琴料的头部点烫在主膜上。
可选的，所述模板成形装置包括压板模块、插底内模板、辅助压轮、上模板、下模板和压模板，所述辅助压轮用于按对折虚线将主膜底部翻折，并将主膜底部折边进行夹持，使主膜底部折边保持固定，所述插底内模板用于将主膜底部撑开，所述压板模块分列上下两侧，用于将主膜底部折边沿侧面压平。
可选的，所述上模板和下模板分别位于主膜上、下两膜外部，用于将主膜底部折边重新折回，所述压模板用于压主膜底部折边。
基于上述结构，本发明还提供一种上下膜一体式包装袋的加工方法，具体操作步骤如下：
第一步：所述主膜输送装置持续不断的沿主膜长度方向输送主膜，所述侧风琴膜输送装置持续不断的沿主膜长度的垂直方向输送侧风琴膜；
第二步：侧风琴膜经过折线区，由所述侧风琴膜对折装置进行对折，形成两折底，折叠后的侧风琴膜被送入主膜上，等距离切断，以确定间距继续送入下一段侧风琴膜，使在主膜上形成侧风琴料；
第三步：将主膜经过所述主膜对折装置对中对折，所得的对折后的主膜通过托辊继续输送；
第四步：用所述切线装置对主膜的对折侧进行切线，具体是通过滚刀在主膜的上、下两膜均切出相对应的对折虚线，以便于后续底部成形；
第五步：用三角烫块在侧风琴料头部位置进行点烫，将侧风琴料点烫在主膜上；
第六步：利用压板模块、插底内模板和辅助压轮，使得主膜底部按照模板尺寸成形，通过所述侧风琴折角装置对侧风琴料折角，形成菱形底；
第七步：利用上模板、下模板和压模板三组模板压住主膜，使得主膜底部折边 重新折回，最终完成底部成型，形成连续的包装袋；
第八步：通过所述切断装置，在连续包装袋之间按裁切线进行裁切，切断后，形成方底的包装袋成品。
本发明提供了一种上下膜一体式包装袋的加工设备及其加工方法，具备以下有益效果：该上下膜一体式包装袋的加工设备及其加工方法，采用单层膜作为包装袋原料，取代了传统包装袋加工中采用两层膜原料的生产方式，不需要将两层膜料进行压烫，也就不会造成包装袋压合处出现偏斜或未压牢的问题，极大地提高了包装袋成品的牢固度；采用单层膜作为原料，更是将包装袋的材料损耗降至最低，减少了包装袋生产过程中，因裁边所造成的大量废料的产生；该加工设备动作连续，并将传统的压烫环节进行取代和简化，有助于缩短生产流水线，减少设备的使用，继而减少生产投入成本，提高生产利益。
附图说明
图1为本发明侧风琴料成形结构示意图；
图2为本发明主膜对折时的结构示意图；
图3为本发明切对折虚线时的结构示意图；
图4为本发明侧风琴料点烫时结构示意图；
图5为本发明包装袋底部成形结构示意图；
图6为本发明包装袋成形结构示意图；
图7为本发明压模板退出后结构示意图；
图8为本发明包装袋平展时结构示意图；
图9为本发明包装袋成品结构示意图。
图中：1、主膜；2、侧风琴膜；3、折线区；4、侧风琴料；5、立辊；6、对折装置；7、平整辊；8、托辊；9、滚刀；10、对折虚线；11、三角烫块；12、压板模块；13、插底内模板；14、辅助压轮；15、上模板；16、下模板；17、压模板；18、裁切线。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。
请参阅图1至图9，本发明提供一种技术方案：一种上下膜一体式包装袋的加工设备，包括主膜输送装置、侧风琴膜输送装置、侧风琴膜对折装置、主膜对折装置、切线装置、点烫装置、模板成形装置、侧风琴折角装置和切断装置，其中，
主膜输送装置用于输运主膜1；
侧风琴膜输送装置用于输送侧风琴膜2；
侧风琴膜对折装置用于对折侧风琴膜2，以形成侧风琴料4；
主膜对折装置用于将主膜1进行对中对折，形成一体的上、下两层膜；
切线装置用于在主膜1上滚出对折虚线10；
点烫装置用于将侧风琴料4点烫在主膜1上；
模板成形装置用于包装袋成形；
侧风琴折角装置用于对侧风琴料4折角，形成菱形底；
切断装置用于切断包装袋；
如图1所示，侧风琴膜对折装置具体位于折线区3，用于将侧风琴膜2进行对折，形成两折底，并将对折的侧风琴膜2送至主膜1上，切断后形成侧风琴料4，侧风琴料4沿主膜1的长边方向等距平行设置，且侧风琴料4之间等长；
如图2所示，主膜对折装置具体为对折装置6，且对折装置6包括立辊5和平整辊7，立辊5和平整辊7之间呈相互垂直放置，且立辊5和平整辊7不相交，主膜1经过立辊5转向至平整辊7，平整辊7共设置上下两个，主膜1穿过平整辊7之间间隙，完成对中对折，形成一体的上、下两膜；
如图3所示，切线装置具体为滚刀9，滚刀9在主膜1的对折侧滚出对折虚线10，且对折虚线10在主膜1的上、下两膜呈相对应设置；
如图4所示，点烫装置具体为三角烫块11，三角烫块11将侧风琴料4的头部点烫在主膜1上；
模板成形装置包括压板模块12、插底内模板13、辅助压轮14、上模板15、下模板16和压模板17，如图5所示，辅助压轮14用于按对折虚线10将主膜1底部翻折，并将主膜1底部折边进行夹持，使主膜1底部折边保持固定，插底内模板13用于将主膜1底部撑开，压板模块12分列上下两侧，用于将主膜1底部折边沿侧面压平，如图6和图7所示，上模板15和下模板16分别位于主膜1上、下两膜外部，用于将主膜1底部折边重新折回，压模板17用于压主膜1底部折边；
基于上述结构，本发明还提供一种上下膜一体式包装袋的加工方法，具体操作步骤如下：
第一步：主膜输送装置持续不断的沿主膜1长度方向输送主膜1，侧风琴膜输送装置持续不断的沿主膜1长度的垂直方向输送侧风琴膜2；
第二步：侧风琴膜2经过折线区3，由侧风琴膜对折装置进行对折，形成两折底，折叠后的侧风琴膜2被送入主膜1上，等距离切断，以确定间距继续送入下一段侧风琴膜2，使在主膜1上形成侧风琴料4；
第三步：将主膜1经过主膜对折装置对中对折，所得的对折后的主膜1通过托辊8继续输送；
第四步：用切线装置对主膜1的对折侧进行切线，具体是通过滚刀9在主膜1 的上、下两膜均切出相对应的对折虚线10，以便于后续底部成形；
第五步：用三角烫块11在侧风琴料4头部位置进行点烫，将侧风琴料4点烫在主膜1上；
第六步：利用压板模块12、插底内模板13和辅助压轮14，使得主膜1底部按照模板尺寸成形，通过侧风琴折角装置对侧风琴料4折角，形成菱形底；
第七步：利用上模板15、下模板16和压模板17三组模板压住主膜1，使得主膜1底部折边重新折回，最终完成底部成型，形成连续的包装袋；
第八步：通过切断装置，在连续包装袋之间按裁切线18进行裁切，切断后，形成方底的包装袋成品。
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，根据本发明的技术方案及其发明构思加以等同替换或改变，都应涵盖在本发明的保护范围之内。

Claims (10)

  1. 一种上下膜一体式包装袋的加工设备，包括主膜输送装置、侧风琴膜输送装置、侧风琴膜对折装置、主膜对折装置、切线装置、点烫装置、模板成形装置、侧风琴折角装置和切断装置，其特征在于：
    所述主膜输送装置用于输运主膜(1)；
    所述侧风琴膜输送装置用于输送侧风琴膜(2)；
    所述侧风琴膜对折装置用于对折侧风琴膜(2)，以形成侧风琴料(4)；
    所述主膜对折装置用于将主膜(1)进行对中对折，形成一体的上、下两层膜；
    所述切线装置用于在主膜(1)上滚出对折虚线(10)；
    所述点烫装置用于将侧风琴料(4)点烫在主膜(1)上；
    所述模板成形装置用于包装袋成形；
    所述侧风琴折角装置用于对侧风琴料(4)折角，形成菱形底；
    所述切断装置用于切断包装袋。
  2. 根据权利要求1所述的一种上下膜一体式包装袋的加工设备，其特征在于：所述侧风琴膜对折装置具体位于折线区(3)，用于将侧风琴膜(2)进行对折，形成两折底，并将对折的侧风琴膜(2)送至主膜(1)上，切断后形成侧风琴料(4)。
  3. 根据权利要求2所述的一种上下膜一体式包装袋的加工设备，其特征在于：所述侧风琴料(4)沿主膜(1)的长边方向等距平行设置，且侧风琴料(4)之间等长。
  4. 根据权利要求1所述的一种上下膜一体式包装袋的加工设备，其特征在于：所述主膜对折装置具体为对折装置(6)，且对折装置(6)包括立辊(5)和平整辊(7)，所述立辊(5)和平整辊(7)之间呈相互垂直放置，且立辊(5)和平整辊(7)不相交。
  5. 根据权利要求4所述的一种上下膜一体式包装袋的加工设备，其特征在于：所述主膜(1)经过立辊(5)转向至平整辊(7)，所述平整辊(7)共设置上下两个，所述主膜(1)穿过平整辊(7)之间间隙，完成对中对折，形成一体的上、下两膜。
  6. 根据权利要求1所述的一种上下膜一体式包装袋的加工设备，其特征在于：所述切线装置具体为滚刀(9)，所述滚刀(9)在主膜(1)的对折侧滚出对折虚线(10)，且对折虚线(10)在主膜(1)的上、下两膜呈相对应设置。
  7. 根据权利要求1所述的一种上下膜一体式包装袋的加工设备，其特征在于：所述点烫装置具体为三角烫块(11)，所述三角烫块(11)将侧风琴料(4)的头部点烫在主膜(1)上。
  8. 根据权利要求1所述的一种上下膜一体式包装袋的加工设备，其特征在于：所述模板成形装置包括压板模块(12)、插底内模板(13)、辅助压轮(14)、上模板(15)、下模板(16)和压模板(17)，所述辅助压轮(14)用于按对折虚线(10)将主膜(1)底部翻折，并将主膜(1)底部折边进行夹持，使主膜(1)底部折边保持固定，所述插底内模板(13)用于将主膜(1)底部撑开，所述压板模块(12)分列上下两侧，用于将 主膜(1)底部折边沿侧面压平。
  9. 根据权利要求8所述的一种上下膜一体式包装袋的加工设备，其特征在于：所述上模板(15)和下模板(16)分别位于主膜(1)上、下两膜外部，用于将主膜(1)底部折边重新折回，所述压模板(17)用于压主膜(1)底部折边。
  10. 一种上下膜一体式包装袋的加工方法，包括上述权利要求1-9中任意一项所述设备，具体操作步骤如下：
    第一步：所述主膜输送装置持续不断的沿主膜(1)长度方向输送主膜(1)，所述侧风琴膜输送装置持续不断的沿主膜(1)长度的垂直方向输送侧风琴膜(2)；
    第二步：侧风琴膜(2)经过折线区(3)，由所述侧风琴膜对折装置进行对折，形成两折底，折叠后的侧风琴膜(2)被送入主膜(1)上，等距离切断，以确定间距继续送入下一段侧风琴膜(2)，使在主膜(1)上形成侧风琴料(4)；
    第三步：将主膜(1)经过所述主膜对折装置对中对折，所得的对折后的主膜(1)通过托辊(8)继续输送；
    第四步：用所述切线装置对主膜(1)的对折侧进行切线，具体是通过滚刀(9)在主膜(1)的上、下两膜均切出相对应的对折虚线(10)，以便于后续底部成形；
    第五步：用三角烫块(11)在侧风琴料(4)头部位置进行点烫，将侧风琴料(4)点烫在主膜(1)上；
    第六步：利用压板模块(12)、插底内模板(13)和辅助压轮(14)，使得主膜(1)底部按照模板尺寸成形，通过所述侧风琴折角装置对侧风琴料(4)折角，形成菱形底；
    第七步：利用上模板(15)、下模板(16)和压模板(17)三组模板压住主膜(1)，使得主膜(1)底部折边重新折回，最终完成底部成型，形成连续的包装袋；
    第八步：通过所述切断装置，在连续包装袋之间按裁切线(18)进行裁切，切断后，形成方底的包装袋成品。
PCT/CN2020/096623 2019-04-18 2020-06-17 一种上下膜一体式包装袋的加工设备及其加工方法 WO2020211884A2 (zh)

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