WO2021035998A1 - 一种制袋机 - Google Patents

一种制袋机 Download PDF

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Publication number
WO2021035998A1
WO2021035998A1 PCT/CN2019/119015 CN2019119015W WO2021035998A1 WO 2021035998 A1 WO2021035998 A1 WO 2021035998A1 CN 2019119015 W CN2019119015 W CN 2019119015W WO 2021035998 A1 WO2021035998 A1 WO 2021035998A1
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Prior art keywords
material roll
conveying mechanism
cutting device
group
roll
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PCT/CN2019/119015
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English (en)
French (fr)
Inventor
周昕
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太仓市贤杰标准件厂
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Publication of WO2021035998A1 publication Critical patent/WO2021035998A1/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
    • B31B70/14—Cutting, e.g. perforating, punching, slitting or trimming
    • B31B70/20—Cutting sheets or blanks
    • 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

Definitions

  • the present invention relates to the field of packaging technology, in particular to a bag making machine.
  • the bubble bag which mainly includes a bag with an opening.
  • the bag making machine is heat-sealed and cut to make a bag of the required size, including a heat-sealing and cutting device, a material conveying device, but the bag body needs to be adjusted first in the bag making process. Folding in half is very inconvenient.
  • the present invention provides a bag making machine.
  • the present invention specifically adopts the following technical solutions.
  • a bag making machine which includes a material reel and an unwinding mechanism.
  • the material reel is wrapped with a material roll and is unwinded by the unwinding mechanism.
  • the unwinding mechanism is specifically a downward equilateral triangle mechanism, an equilateral triangle.
  • the upper side of the is a rotating shaft for auxiliary unwinding.
  • a set of rollers is provided at the bottom sharp corners of the equilateral triangle. The set of rollers clamps the material roll to rotate downward and drives the material roll to unwind down.
  • a set of pullers are set below the rollers.
  • the material rubber wheel, the material pulling rubber wheel is perpendicular to the roller and clamps the material roll and unwinds it downward.
  • the edge of the first group of conveying mechanisms is located directly above the pressure rod.
  • a cutting device is arranged between the two groups of conveying mechanisms.
  • the conveying mechanism and the cutting device are both set on the worktable.
  • the conveying mechanism Specifically, there are two sets of upper and lower conveyor belts.
  • the conveyor belt of the first group of conveying mechanism drives the material roll to be cut forward by a cutting device.
  • the cutting device is specifically a hot cutter.
  • the middle of the hot cutter is a cutter and the two sides are heat-sealing devices.
  • the second group of conveying mechanisms drives the blanking baskets that fall forward to the outside of the second group of conveying mechanisms.
  • the aforementioned conveying mechanism and cutting device are both controlled by a timing device.
  • the outer surface of the roller is covered with a flexible material.
  • the outer surface of the roller is covered with sponge.
  • a photoelectric sensor device is arranged at the outer edge of one side of the first group of conveying mechanism near the cutting device to align the material roll, and the photoelectric sensor device is connected to control the switch of the heat cutter and the conveyer belt.
  • the bottom of the blanking basket is inclined, and the bottom of the blanking basket is connected to the packing station through an inclined tube, and the size of the inclined tube is gradually narrowed until it is consistent with the size of the packaging bag.
  • the bag making machine designed in the present invention includes a material reel and an unwinding mechanism.
  • the material reel is wrapped with a material roll and is unwinded by the unwinding mechanism.
  • the unwinding mechanism is specifically a downward equilateral triangle mechanism, and the upper side of the equilateral triangle is rotating The shaft assists the unwinding.
  • a set of pulling rubber wheels are arranged under the rolls. The material pulling rubber wheel is perpendicular to the roller and clamping the material roll to unwind down.
  • the equilateral triangle mechanism is set up to realize the automation of the bag body folding in half.
  • the roller straightens the material roll to ensure the flatness of the material roll surface.
  • the material pulling rubber wheel The bag body is folded in half, and one side of the pulling rubber wheel is provided with a pressing rod.
  • the pressing rod and the pulling rubber wheel are on the same horizontal plane.
  • the pressing rod flattens the material roll and cooperates with the conveying mechanism to prevent the material roll from wrinkling.
  • the edge of the first group of conveying mechanisms is located directly above the pressing rod.
  • a cutting device is arranged between the two groups of conveying mechanisms.
  • the conveying mechanism and the cutting device are both set on the worktable.
  • the conveying mechanism is specifically two sets of upper and lower conveyor belts, the conveyor belt of the first group of conveying mechanism drives the material roll to be cut forward by the cutting device, the cutting device is specifically a hot cutter, the middle of the hot cutter is a cutter and the two sides are heat-sealing devices , The heat cutter completes the cutting and sealing process at one time. After being cut and sealed, the material roll is driven by the second group of conveying mechanism to drop forward into the blanking basket outside the second group of conveying mechanism.
  • the above-mentioned conveying mechanism and cutting device are controlled by the timing device.
  • the first group of conveying mechanism is equipped with a photoelectric sensor device at the outer edge of one side of the cutting device to align the material roll, and the photoelectric sensor device is connected to control the switch of the heat cutting knife and the conveyor belt.
  • the photoelectric sensor device sends a signal to control the bag making machine to stop, and the bottom of the blanking basket is inclined, and the bottom of the blanking basket is connected to the packing station through an inclined tube.
  • the size of the inclined tube is gradually narrowed until it is consistent with the size of the packaging bag.
  • the finished bag body slides into the inclined tube at the bottom of the blanking basket, and continuously adjusts the position in the inclined tube until it falls into the packing station. Because the position of the bag body has been adjusted, it saves workers' packing time and improves work efficiency.
  • Figure 1 is a schematic diagram of the structure of the bag making machine of the present invention.
  • inside and outside in the present invention refers to the inside of the box as far as the box itself is concerned, and vice versa; it does not specifically limit the device mechanism of the present invention.
  • connection in the present invention can be a direct connection between components or an indirect connection between components through other components.
  • up and down in the present invention means that when the user is facing the lid in the open state of the box, the direction of the opening opened by the lid is up, and the opening opened by the lid points to the bottom surface of the box. That is, it is not a specific limitation to the device mechanism of the present invention.
  • the material reel 1 is wrapped with a material roll and is unwinded by the unwinding mechanism.
  • the unwinding mechanism is specifically a downwards etc.
  • Side triangle mechanism the upper side of the equilateral triangle is the rotating shaft 2 to assist unwinding.
  • a set of rollers 3 are provided at the bottom sharp corners of the equilateral triangle. The set of rollers 3 clamps the roll of material to rotate downward and drives the roll of material to be lowered.
  • a set of pulling rubber wheels 4 are arranged under the roller 3. The pulling rubber wheel 4 is perpendicular to the roller 3 and clamps the material roll to unwind down.
  • a pressure rod 5 is arranged on one side of the pulling rubber wheel 4 to press The rod 5 and the pulling rubber wheel 4 are located on the same horizontal plane.
  • a conveying mechanism 6 is arranged above the pressing rod 5.
  • the conveying mechanism 6 is provided with two groups. The edge of the first group of conveying mechanisms 6 is located directly above the pressing rod 5.
  • a cutting device 7 is provided between the conveying mechanism 6.
  • the conveying mechanism 6 and the cutting device 7 are both installed on the worktable 8.
  • the conveying mechanism 6 is specifically two sets of upper and lower conveyor belts.
  • the conveyor belt of the first group of conveying mechanism 6 drives the roll forward
  • the cutting device 7 cuts.
  • the cutting device 7 is specifically a hot cutter.
  • the middle of the hot cutter is a cutter and the two sides are heat-sealing devices.
  • the material roll is cut and sealed by the second group of conveying mechanism 6 to drive forward and fall into the second
  • the blanking basket 9 outside the group conveying mechanism 6, the conveying mechanism 6 and the cutting device 7 are all controlled by
  • the outer surface of the roller 3 is covered with a flexible material.
  • the outer surface of the roller 3 is covered with sponge.
  • a photoelectric sensing device 10 is provided at the outer edge of the first group of conveying mechanism 6 near the cutting device 7 to align with the material roll, and the photoelectric sensing device 10 is connected to a switch that controls the thermal cutting knife and the conveying belt.
  • the bottom of the blanking basket 9 is inclined, and the bottom of the blanking basket is connected to the packing station through an inclined tube, and the size of the inclined tube is gradually narrowed until it is consistent with the size of the packaging bag.
  • the bag making machine designed in the present invention includes a material reel and an unwinding mechanism.
  • the material reel is wrapped with a material roll and is unwinded by the unwinding mechanism.
  • the unwinding mechanism is specifically a downward equilateral triangle mechanism, and the upper side of the equilateral triangle is rotating The shaft assists the unwinding.
  • a set of pulling rubber wheels are arranged under the rolls. The material pulling rubber wheel is perpendicular to the roller and clamping the material roll to unwind down.
  • the equilateral triangle mechanism is set up to realize the automation of the bag body folding in half.
  • the roller straightens the material roll to ensure the flatness of the material roll surface.
  • the material pulling rubber wheel The bag body is folded in half, and one side of the pulling rubber wheel is provided with a pressing rod.
  • the pressing rod and the pulling rubber wheel are on the same horizontal plane.
  • the pressing rod flattens the material roll and cooperates with the conveying mechanism to prevent the material roll from wrinkling.
  • the edge of the first group of conveying mechanisms is located directly above the pressing rod.
  • a cutting device is arranged between the two groups of conveying mechanisms.
  • the conveying mechanism and the cutting device are both set on the worktable. ,
  • the conveying mechanism is specifically two sets of upper and lower conveyor belts.
  • the conveyor belt of the first group of conveying mechanisms drives the material roll to be cut forward by a cutting device.
  • the cutting device is specifically a hot cutter.
  • the middle of the hot cutter is a cutter and the two sides are heat-sealing devices.
  • the heat cutter completes the cutting and sealing process at one time.
  • the material roll is driven by the second group of conveying mechanism to drop forward into the blanking basket outside the second group of conveying mechanism.
  • the above-mentioned conveying mechanism and cutting device are controlled by the timing device.
  • the first group of conveying mechanism is equipped with a photoelectric sensor device at the outer edge of one side of the cutting device to align the material roll, and the photoelectric sensor device is connected to control the switch of the heat cutting knife and the conveyor belt.
  • the photoelectric sensor device sends a signal to control the bag making machine to stop, and the bottom of the blanking basket is inclined, and the bottom of the blanking basket is connected to the packing station through an inclined tube.
  • the size of the inclined tube is gradually narrowed until it is consistent with the size of the packaging bag.
  • the finished bag body slides into the inclined tube at the bottom of the blanking basket, and continuously adjusts the position in the inclined tube until it falls into the packing station. Because the position of the bag body has been adjusted, it saves workers' packing time and improves work efficiency.

Abstract

一种制袋机，包括料卷轴（1）和放卷机构，料卷轴（1）上包有料卷并通过放卷机构放卷，放卷机构具体为一向下的等边三角形机构，等边三角形的上边为旋转轴（2）辅助放卷，等边三角形的底部尖角处设有一组滚轴（3），该组滚轴（3）夹紧料卷向下旋转并带动料卷向下放卷，滚轴的（3）下方设有一组拉料胶轮（4），拉料胶轮（4）垂直于滚轴（3）并夹紧料卷向下放卷，等边三角形机构的设置，实现了袋体对折的自动化，滚轴（3）拉直料卷保证料卷表面的平整性，拉料胶轮（4）则完成袋体的对折，拉料胶轮（4）的一侧设有压杆（5），压杆（5）与拉料胶轮（4）位于同一水平面，压杆（5）压平料卷，与传送机构（6）配合防止料卷产生褶皱，压杆（5）的上方设有传送机构（6），两组传送机构（6）之间设有切割装置（7），传送机构（6）与切割装置（7）均设在工作台（8）上。

Description

一种制袋机 技术领域
本发明涉及包装技术领域，具体而言涉及一种制袋机。
背景技术
目前在电子产品的包装中，最常用的就是气泡袋，主要包括一个带有开口的袋体，使用时，将电子产品放入袋体内之后，对放置在袋体内的电子产品起到有效的保护，在生产过程中，最常用的就是制袋机，制袋机通过热封、热切，制成需要大小的袋体，包括热封切装置、物料输送装置，但制袋过程中需要先对袋体进行对折，十分不便。
发明内容
本发明针对现有技术的不足，提供一种制袋机。本发明具体采用如下技术方案。
为实现上述目的，提出一种制袋机，包括料卷轴和放卷机构，料卷轴上包有料卷并通过放卷机构放卷，放卷机构具体为一向下的等边三角形机构，等边三角形的上边为旋转轴辅助放卷，等边三角形的底部尖角处设有一组滚轴，该组滚轴夹紧料卷向下旋转并带动料卷向下放卷，滚轴的下方设有一组拉料胶轮，拉料胶轮垂直于滚轴并夹紧料卷向下放卷，拉料胶轮的一侧设有压杆，压杆与拉料胶轮位于同一水平面，压杆的上方设有传送机构，传送机构设有两组，其中第一组传送机构的边缘位于压杆的正上方，两组传送机构之间设有切割装置，传送机构与切割装置均设在工作台上，传送机构具体为上下两组传送带，第一组传送机构的传送带带动料卷向前经切割装置切割，所述切割装置具体为热切刀，热切刀的中部为切刀而两侧为热封口装置，料卷经切割封口后由第二组传送机构带动向前落入第二组传送机构外侧的落料筐，上述传送机构与切割装置均由定时装置控制运转。
作为优选，所述滚轴的外表面包有柔性材料。
作为优选，滚轴的外表面包有海绵。
作为优选，第一组传送机构靠近切割装置的一侧外边缘处设有光电感应装置对准料卷，光电感应装置连接控制热切刀和传送带的开关。
作为优选，落料筐的底部倾斜，且落料筐底部通过斜管连接打包工位，斜管尺寸逐渐变窄直至与包装袋尺寸一致。
本发明设计的制袋机，包括料卷轴和放卷机构，料卷轴上包有料卷并通过放卷机构放卷，放卷机构具体为一向下的等边三角形机构，等边三角形的上边为旋转轴辅助放卷，等边三角形的底部尖角处设有一组滚轴，该组滚轴夹紧料卷向下旋转并带动料卷向下放卷，滚轴的下方设 有一组拉料胶轮，拉料胶轮垂直于滚轴并夹紧料卷向下放卷，等边三角形机构的设置，实现了袋体对折的自动化，滚轴拉直料卷保证料卷表面的平整性，拉料胶轮则完成袋体的对折，拉料胶轮的一侧设有压杆，压杆与拉料胶轮位于同一水平面，压杆压平料卷，与传送机构配合防止料卷产生褶皱，压杆的上方设有传送机构，传送机构设有两组，其中第一组传送机构的边缘位于压杆的正上方，两组传送机构之间设有切割装置，传送机构与切割装置均设在工作台上，传送机构具体为上下两组传送带，第一组传送机构的传送带带动料卷向前经切割装置切割，所述切割装置具体为热切刀，热切刀的中部为切刀而两侧为热封口装置，热切刀一次完成切割和封口流程，料卷经切割封口后由第二组传送机构带动向前落入第二组传送机构外侧的落料筐，上述传送机构与切割装置均由定时装置控制运转，从而完成袋体的自动生产，第一组传送机构靠近切割装置的一侧外边缘处设有光电感应装置对准料卷，光电感应装置连接控制热切刀和传送带的开关，当一卷料卷加工完成后，光电感应装置发出信号控制制袋机停止运转，落料筐的底部倾斜，且落料筐底部通过斜管连接打包工位，斜管尺寸逐渐变窄直至与包装袋尺寸一致，加工完成后的袋体在落料筐底部滑入斜管，在斜管中不断调整位置直至落入打包工位，因袋体已经调整好位置，节省了工人打包的时间，提高了工作效率。
本发明的其它特征和优点将在随后的说明书中阐述，并且，部分地从说明书中变得显而易见，或者通过实施本发明而了解。
附图说明
附图用来提供对本发明的进一步理解，并且构成说明书的一部分，并与本发明的实施例一起，用于解释本发明，并不构成对本发明的限制。在附图中：
图1是本发明制袋机的结构示意图。
图中：1、料卷轴；2、旋转轴；3、滚轴；4、拉料胶轮；5、压杆；6、传送机构；7、切割装置；8、工作台；9、落料筐；10、光电感应装置。
具体实施方式
为使本发明实施例的目的和技术方案更加清楚，下面将结合本发明实施例的附图，对本发明实施例的技术方案进行清楚、完整地描述。显然，所描述的实施例是本发明的一部分实施例，而不是全部的实施例。基于所描述的本发明的实施例，本领域普通技术人员在无需创造性劳动的前提下所获得的所有其他实施例，都属于本发明保护的范围。
本技术领域技术人员可以理解，除非另外定义，这里使用的所有术语(包括技术术语和科学术语)具有与本发明所属领域中的普通技术人员的一般理解相同的意义。还应该理解的是， 诸如通用字典中定义的那些术语应该被理解为具有与现有技术的上下文中的意义一致的意义，并且除非像这里一样定义，不会用理想化或过于正式的含义来解释。
本发明中所述的“和/或”的含义指的是各自单独存在或两者同时存在的情况均包括在内。
本发明中所述的“内、外”的含义指的是相对于箱体本身而言，指向箱体内部的方向为内，反之为外；而非对本发明的装置机构的特定限定。
本发明中所述的“连接”的含义可以是部件之间的直接连接也可以是部件间通过其它部件的间接连接。
本发明中所述的“上、下”的含义指的是使用者正对箱体开启状态下的盖子时，由盖子开启的开口方向即为上，由盖子开启的开口指向箱体底面的方向即为下，而非对本发明的装置机构的特定限定。
下面参照图1描述根据本发明实施例的一种制袋机，包括料卷轴1和放卷机构，料卷轴1上包有料卷并通过放卷机构放卷，放卷机构具体为一向下的等边三角形机构，等边三角形的上边为旋转轴2辅助放卷，等边三角形的底部尖角处设有一组滚轴3，该组滚轴3夹紧料卷向下旋转并带动料卷向下放卷，滚轴3的下方设有一组拉料胶轮4，拉料胶轮4垂直于滚轴3并夹紧料卷向下放卷，拉料胶轮4的一侧设有压杆5，压杆5与拉料胶轮4位于同一水平面，压杆5的上方设有传送机构6，传送机构6设有两组，其中第一组传送机构6的边缘位于压杆5的正上方，两组传送机构6之间设有切割装置7，传送机构6与切割装置7均设在工作台8上，传送机构6具体为上下两组传送带，第一组传送机构6的传送带带动料卷向前经切割装置7切割，所述切割装置7具体为热切刀，热切刀的中部为切刀而两侧为热封口装置，料卷经切割封口后由第二组传送机构6带动向前落入第二组传送机构6外侧的落料筐9，上述传送机构6与切割装置7均由定时装置控制运转。
作为优选，所述滚轴3的外表面包有柔性材料。
作为优选，滚轴3的外表面包有海绵。
作为优选，第一组传送机构6靠近切割装置7的一侧外边缘处设有光电感应装置10对准料卷，光电感应装置10连接控制热切刀和传送带的开关。
作为优选，落料筐9的底部倾斜，且落料筐底部通过斜管连接打包工位，斜管尺寸逐渐变窄直至与包装袋尺寸一致。
本发明设计的制袋机，包括料卷轴和放卷机构，料卷轴上包有料卷并通过放卷机构放卷，放卷机构具体为一向下的等边三角形机构，等边三角形的上边为旋转轴辅助放卷，等边三角形 的底部尖角处设有一组滚轴，该组滚轴夹紧料卷向下旋转并带动料卷向下放卷，滚轴的下方设有一组拉料胶轮，拉料胶轮垂直于滚轴并夹紧料卷向下放卷，等边三角形机构的设置，实现了袋体对折的自动化，滚轴拉直料卷保证料卷表面的平整性，拉料胶轮则完成袋体的对折，拉料胶轮的一侧设有压杆，压杆与拉料胶轮位于同一水平面，压杆压平料卷，与传送机构配合防止料卷产生褶皱，压杆的上方设有传送机构，传送机构设有两组，其中第一组传送机构的边缘位于压杆的正上方，两组传送机构之间设有切割装置，传送机构与切割装置均设在工作台上，传送机构具体为上下两组传送带，第一组传送机构的传送带带动料卷向前经切割装置切割，所述切割装置具体为热切刀，热切刀的中部为切刀而两侧为热封口装置，热切刀一次完成切割和封口流程，料卷经切割封口后由第二组传送机构带动向前落入第二组传送机构外侧的落料筐，上述传送机构与切割装置均由定时装置控制运转，从而完成袋体的自动生产，第一组传送机构靠近切割装置的一侧外边缘处设有光电感应装置对准料卷，光电感应装置连接控制热切刀和传送带的开关，当一卷料卷加工完成后，光电感应装置发出信号控制制袋机停止运转，落料筐的底部倾斜，且落料筐底部通过斜管连接打包工位，斜管尺寸逐渐变窄直至与包装袋尺寸一致，加工完成后的袋体在落料筐底部滑入斜管，在斜管中不断调整位置直至落入打包工位，因袋体已经调整好位置，节省了工人打包的时间，提高了工作效率。
以上仅为本发明的实施方式，其描述较为具体和详细，但并不能因此而理解为对本发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些均属于本发明的保护范围。

Claims (5)

  1. 一种制袋机，其特征在于，包括料卷轴和放卷机构，料卷轴上包有料卷并通过放卷机构放卷，放卷机构具体为一向下的等边三角形机构，等边三角形的上边为旋转轴辅助放卷，等边三角形的底部尖角处设有一组滚轴，该组滚轴夹紧料卷向下旋转并带动料卷向下放卷，滚轴的下方设有一组拉料胶轮，拉料胶轮垂直于滚轴并夹紧料卷向下放卷，拉料胶轮的一侧设有压杆，压杆与拉料胶轮位于同一水平面，压杆的上方设有传送机构，传送机构设有两组，其中第一组传送机构的边缘位于压杆的正上方，两组传送机构之间设有切割装置，传送机构与切割装置均设在工作台上，传送机构具体为上下两组传送带，第一组传送机构的传送带带动料卷向前经切割装置切割，所述切割装置具体为热切刀，热切刀的中部为切刀而两侧为热封口装置，料卷经切割封口后由第二组传送机构带动向前落入第二组传送机构外侧的落料筐，上述传送机构与切割装置均由定时装置控制运转。
  2. 根据权利要求1所述的制袋机，其特征在于：所述滚轴的外表面包有柔性材料。
  3. 根据权利要求2所述的制袋机，其特征在于：滚轴的外表面包有海绵。
  4. 根据权利要求1所述的制袋机，其特征在于：第一组传送机构靠近切割装置的一侧外边缘处设有光电感应装置对准料卷，光电感应装置连接控制热切刀和传送带的开关。
  5. 根据权利要求1所述的制袋机，其特征在于：落料筐的底部倾斜，且落料筐底部通过斜管连接打包工位，斜管尺寸逐渐变窄直至与包装袋尺寸一致。
PCT/CN2019/119015 2019-08-23 2019-11-16 一种制袋机 WO2021035998A1 (zh)

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CN2158340Y (zh) * 1993-07-17 1994-03-09 渭河塑料彩印厂 一种塑料制袋机
EP0993933A2 (de) * 1998-10-14 2000-04-19 LEMO Maschinenbau GmbH Verfahren zum Herstellen von mehrwandigen, vorzugsweise doppelwandigen Kunststoffbeuteln
EP2216167A2 (de) * 2009-02-09 2010-08-11 Focke & Co. (GmbH & Co. KG) Verfahren und Vorrichtung zur Herstellung von Beuteln
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CN206765445U (zh) * 2017-05-26 2017-12-19 张家口通达纸塑彩印有限公司 制袋机放料装置
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