WO2018019260A1 - 一种顶部缩口的方罐及其对应的制作工艺 - Google Patents

一种顶部缩口的方罐及其对应的制作工艺 Download PDF

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Publication number
WO2018019260A1
WO2018019260A1 PCT/CN2017/094525 CN2017094525W WO2018019260A1 WO 2018019260 A1 WO2018019260 A1 WO 2018019260A1 CN 2017094525 W CN2017094525 W CN 2017094525W WO 2018019260 A1 WO2018019260 A1 WO 2018019260A1
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WIPO (PCT)
Prior art keywords
square
sealing
station
peripheral surface
turned
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Application number
PCT/CN2017/094525
Other languages
English (en)
French (fr)
Inventor
黄小林
程立斌
沈俊杰
王伯伦
徐民兴
Original Assignee
苏州华源控股股份有限公司
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Application filed by 苏州华源控股股份有限公司 filed Critical 苏州华源控股股份有限公司
Priority to JP2019524503A priority Critical patent/JP2019527654A/ja
Publication of WO2018019260A1 publication Critical patent/WO2018019260A1/zh

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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
    • B21D51/18—Making hollow objects characterised by the use of the objects vessels, e.g. tubs, vats, tanks, sinks, or the like
    • 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
    • B21D51/2676—Cans or tins having longitudinal or helical seams
    • 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
    • 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
    • B65D1/40—Details of walls
    • 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
    • B65D1/40—Details of walls
    • B65D1/42—Reinforcing or strengthening parts or members

Definitions

  • the present invention relates to the technical field of packaging container structures, in particular to a square can with a top constriction, and the present invention also provides a process for making a square can of a top constricted.
  • the bottom and top windings are all the same size, so that the stacking of the vertical tanks is unstable, and in addition, the existing square tank steps are to be welded.
  • the cylindrical metal structure is directly raised and formed into a square structure, and then the square structure is folded at the same time, and then the bottom sealing and the top sealing are sequentially performed.
  • the two sides are turned over, and the bottom sealing is carried out preferentially on the top sealing.
  • the flange on the top of the can is easily deformed due to the pressure, which affects the quality of the top sealing, so that the square
  • the manufacturing process of the can is easy to produce defective products, which increases the manufacturing cost.
  • the present invention provides a square tank with a top constriction which makes the vertical stacking of the tank stable and reliable. Moreover, the present invention also adopts a process for manufacturing a square can with a top shrinkage to ensure the quality of the cans at the top and bottom of the can body, improve the quality of the product, and reduce the production cost.
  • a top-retracted square can the technical solution is as follows: It comprises a square can body, and the top and bottom of the square can body are respectively provided with a top seal and a bottom seal, which are characterized by: The outer peripheral surface between the upper end of the rib structure and the top wrap is provided with a necking structure, and the outer peripheral surface of the lower end of the bottom wrap is attached to the outer peripheral surface of the upper end of the top wrap, which makes the two vertical directions The barrel stack is stable.
  • the four corner positions of the square can body are respectively provided with three vertically arranged reinforcing rib structures, and a spacing is provided between the bottom end of each of the reinforcing rib structures and the bottom wrapping, each of the said a gap is left between the upper end of the rib structure and the top seal;
  • the three reinforcing ribs at each corner are respectively a central reinforcing rib, and the two sides are reinforced on both sides.
  • the ribs and the three ribs have the same height, ensuring the symmetry and ease of manufacture of the entire structure.
  • a process for fabricating a top-reduced square can characterized in that: a metal structure that has been welded into a cylindrical shape is subjected to a square rib to form a square can body, and then the bottom end of the square can body faces upward Arrange the bottom flange, then seal the bottom portion of the flange portion, then flip the can body 180° vertically, the upper end of the can body is arranged upward, and the top of the can body is topped, the top is crimped, and then the flange is turned Part of the top is sealed to form a square can.
  • the corresponding weld bead is found in advance through the seam finding device, and the position of the welded joint is rotated to a preset angular position, so that after the can is formed, the weld bead is formed. Positioned at the designated position of the can body to ensure the appearance of the can body and facilitate subsequent operations;
  • the can body is transported to the bottom sealing station through the rail, and the bottom sealing can is directly completed by the pressing machine, which is not the bottom of the can body.
  • the top portion is deformed;
  • the can body after the bottom canning is manually inverted or mechanically turned so that the can body is vertically turned 180°, and the upper end of the can body is arranged upward;
  • the can body After the can body is turned 180°, it is transported into the top flanging station, and the positioning flanging station conveys the can body to the top shrinking station to form a necking structure, and then the necking structure is formed.
  • the can body is transported to the top can sealing station, and the top sealing can is completed for the can body by the sealing machine.
  • the outer peripheral surface between the upper end of the reinforcing rib structure and the top wrapping is provided with a necking structure, the outer peripheral surface of the lower end of the bottom wrapping is attached to the top sealing
  • the upper peripheral surface of the upper end which makes the vertical stacking of the tank stable and reliable;
  • the bottom edge of the square can body is arranged upwards for the bottom flange, and then the bottom portion of the flange portion is sealed, and then The can body is vertically turned 180°, the upper end of the can body is arranged upward, the top of the can body is cuffed, the top is shrunk, and then the cuff portion is top-sealed to form a square can, so that the can body is sequentially bottomed, Bottom sealing, flipping 180°, top flanging, top shrinking, top sealing, so that the flannel can not be deformed due to pressure, thus ensuring the quality of the top and bottom of the can
  • FIG. 1 is a schematic structural view of a perspective view of the present invention
  • FIG. 2 is a schematic view showing the structure of a front view of two square tank structure stacks
  • FIG. 3 is a partial enlarged structural view of A of FIG. 2;
  • FIG. 4 is a schematic diagram showing the structure of the process flow of the present invention (the upper part is the change process of the can body, and the lower part is the work place layout diagram)
  • square can body 1 top winding 2, bottom winding 3, central reinforcing rib 4, side reinforcing ribs 5, necking structure 6 preferred embodiment for carrying out the invention
  • a top-retracted square can see FIG. 1 to FIG. 3: comprising a square can body 1.
  • the top and bottom of the square can body 1 are respectively provided with a top winding 2, a bottom winding 3, and a top sealing 2.
  • a reinforcing rib structure is arranged between the bottom winding seals 3.
  • the outer peripheral surface between the upper end of the reinforcing rib structure and the top winding 2 is provided with a necking structure 6, and the outer peripheral surface of the bottom end of the bottom wrapping 3 is attached to the top sealing
  • the upper outer peripheral surface of 2 which stabilizes the stack of two vertical buckets.
  • the four corner positions of the square can body 1 are respectively provided with three vertically arranged reinforcing rib structures, and the bottom end of each reinforcing rib structure and the bottom winding 3 are spaced apart, and the upper end of each reinforcing rib structure is There is a gap between the top seals 2;
  • the three reinforcing ribs at each corner are respectively a central reinforcing rib 4, and two side reinforcing ribs 5 distributed on both sides, the heights of the three reinforcing ribs being the same, ensuring the symmetry and convenience of the entire structure; There is a gap between the bottom end of the rib structure and the bottom seal, and the spacing between the upper end of the rib structure and the top seal is such that the bottom roll seal and the top roll seal do not interfere with the rib portion during the top wrapping process.
  • the strength of the bottom and top seals of the tank body is improved, and the four corner positions of the square tank body are respectively provided with three vertically arranged reinforcing rib structures, which make the tank corners have high strength; in summary, the tank body is made The corners are strong and the strength of the bottom and top seals is increased to ensure high strength throughout the tank.
  • a top shrinking square can is made in the process of seeing FIG. 4: before the rising square is used, the corresponding weld is found by the weld finding device, and the position of the weld is rotated to a preset value. Angle position, making the jar After forming, the position of the weld is at the specified position of the can body, ensuring the appearance of the can body and facilitating subsequent operations.
  • the metal structure that has been welded into a cylindrical shape is formed and the square can body is formed after the rib is pressed. Then, the bottom end of the square can body is arranged upwards for the bottom cuff, and then the cuff portion is bottom sealed.
  • the can body is vertically turned 180°, the upper end of the can body is arranged upward, and the top of the can body is sequentially turned over.
  • the top is shrunk, and then the top portion of the cuffed portion is sealed to form a square can.
  • weld-seeking station and the up-and-down squashing station can be combined to form a combined station arrangement
  • the can body is transported to the bottom sealing station through the rail, and the bottom sealing can is directly completed by the pressing machine, which does not cause the top of the can body below.
  • Deformation, the bottom flanging station and the bottom sealing station can be combined to form a combined station arrangement;
  • the can body after the bottom is sealed is manually inverted or mechanically turned so that the can body is vertically turned 180°, and the upper end of the can body is arranged upward;
  • the can body After the can body is turned 180°, it is transported into the top flanging station, and the positioning flanging station conveys the can body to the top shrinking station to form a necking structure after the top flanging, and then the can is The body is transported to the top sealing station, and the top sealing can is completed by the sealing machine.
  • the top burring station, the top condensing station and the top sealing station can be combined to form a combined station arrangement.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Food Science & Technology (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)
  • Stackable Containers (AREA)

Abstract

一种顶部缩口的方罐，包括方形罐身（1），方形罐身的顶部和底部分别设置有顶部卷封（2）、底部卷封（3），加强筋结构的上端到顶部卷封之间的外周面设置有缩颈结构（6），底部卷封的下端外周面盖装于顶部卷封的上端外周面；一种顶部缩口的方罐的制作工艺，将焊接为圆柱形的金属结构进行涨方压筋后形成方形罐身，进行底部翻边，然后对底部翻边部分进行底部封罐，将罐身翻转180°，对罐身进行顶部翻边、顶部缩口，对翻边部分进行顶部封罐，形成方罐；该工艺确保罐身的顶部和底部封罐质量，提高了产品质量，降低了生产成本。

Description

一种顶部缩口的方罐及其对应的制作工艺 技术领域
[0001] 本发明涉及包装容器结构的技术领域， 具体为一种顶部缩口的方罐， 本发明还 提供了顶部缩口的方罐的制作工艺。
背景技术
[0002] 现有的包装容器用的方罐结构， 其底部和顶部的卷封均是相同尺寸， 使得垂直 向的罐体的叠加不稳定， 此外， 现有的方罐的步骤为将已经焊接为圆柱形的金 属结构直接涨方、 形成方形结构， 之后将方形结构同吋进行两头翻边， 之后依 次进行底部封罐和顶部封罐， 在这个制作工艺工程中， 由于方形结构的上端、 下端同吋进行两头翻边， 而底部封罐优先于顶部封罐进行， 在底部封罐进行的 吋候， 罐身顶部的翻边由于压力作用易形成变形， 进而影响顶部封罐的质量， 使得方罐的制作过程易产生不良品， 增加了制造成本。
技术问题
问题的解决方案
技术解决方案
[0003] 针对上述问题， 本发明提供了一种顶部缩口的方罐， 其使得垂直向罐体叠加稳 定可靠。 且本发明还通过了一种顶部缩口的方罐的制作工艺， 确保罐身的顶部 和底部的封罐质量， 提高了产品的质量， 降低了生产成本。
[0004] 一种顶部缩口的方罐， 其技术方案是这样的： 其包括方形罐身， 所述方形罐身 的顶部和底部分别设置有顶部卷封、 底部卷封， 其特征在于： 所述加强筋结构 的上端到所述顶部卷封之间的外周面设置有缩颈结构， 所述底部卷封的下端外 周面盖装于顶部卷封的上端外周面， 其使得两个垂直向的桶堆叠稳定。
[0005] 所述方形罐身的四个转角位置分别设置有三条垂直向布置的加强筋结构， 每条 所述加强筋结构的底端和所述底部卷封间留有间距， 每条所述加强筋结构的上 端和所述顶部卷封间留有间距；
[0006] 每个转角处的三条加强筋分别为一条中心加强筋， 两条分布于两侧的侧部加强 筋， 三条加强筋的高度相同， 确保整个结构的对称性和制作方便性。
[0007] 一种顶部缩口的方罐的制作工艺， 其特征在于： 其将已经焊接为圆柱形的金属 结构进行涨方压筋后形成方形罐身， 之后将方形罐身的底端朝上布置进行底部 翻边、 然后对翻边部分进行底部封罐， 随后将罐身垂直向翻转 180°， 罐身的上端 向上布置， 对罐身依次进行顶部翻边、 顶部缩口， 然后对翻边部分进行顶部封 罐， 形成方罐。
[0008] 其进一步特征在于： 在涨方压筋之前预先通过寻焊缝装置找到对应的焊缝、 并 将该焊缝的位置旋转至预先设定的角度位置， 使得罐子成型后， 焊缝的位置在 罐身的指定位置， 确保罐身外观、 方便后续作业；
[0009] 所述底部翻边完成后通过轨道将罐身输送至底部封罐工位， 通过下压的机器直 接完成对于罐身的底部封罐， 其不会对此款处于下方的罐身的顶部造成变形； [0010] 所述底部封罐后的罐身通过人工翻转或机械翻转使得罐身垂直向翻转 180°， 罐 身的上端向上布置；
[0011] 所述罐身翻转 180°后被输送进入到顶部翻边工位， 定位翻边工位对罐身进行顶 部翻边后将罐身输送至顶部缩口工位形成缩颈结构， 之后将罐身输送至顶部封 罐工位， 通过封罐机械完成对于罐身的顶部封罐。
发明的有益效果
有益效果
[0012] 采用本发明的结构后， 由于所述加强筋结构的上端到所述顶部卷封之间的外周 面设置有缩颈结构， 所述底部卷封的下端外周面盖装于顶部卷封的上端外周面 ， 其使得垂直向罐体叠加稳定可靠； 采用本发明的工艺后， 由于将方形罐身的 底端朝上布置进行底部翻边、 然后对翻边部分进行底部封罐， 随后将罐身垂直 向翻转 180°， 罐身的上端向上布置， 对罐身进行顶部翻边、 顶部缩口， 然后对翻 边部分进行顶部封罐， 形成方罐， 使得罐身依次进行底部翻边、 底部封罐、 翻 转 180°、 顶部翻边、 顶部缩口、 顶部封罐， 使得罐身翻边不会由于压力作用易形 成变形， 进而确保罐身的顶部和底部的封罐质量， 提高了产品的质量， 降低了 生产成本。
对附图的简要说明 附图说明
[0013] 图 1为本发明的立体图结构示意图；
[0014] 图 2为两个方罐结构堆叠的主视图结构示意图；
[0015] 图 3为图 2的 A处局部放大结构示意图；
[0016] 图 4为本发明的工艺流程的结构示意简简图 （图中上方为罐身的变化过程、 下 方为工位布置图）
[0017] 图中序号所对应的名称如下：
[0018] 方形罐身 1、 顶部卷封 2、 底部卷封 3、 中心加强筋 4、 侧部加强筋 5、 缩颈结构 6 实施该发明的最佳实施例
本发明的最佳实施方式
[0019] 一种顶部缩口的方罐， 见图 1〜图 3: 其包括方形罐身 1， 方形罐身 1的顶部和底 部分别设置有顶部卷封 2、 底部卷封 3， 顶部卷封 2、 底部卷封 3之间设置有加强 筋结构， 加强筋结构的上端到顶部卷封 2之间的外周面设置有缩颈结构 6， 底部 卷封 3的下端外周面盖装于顶部卷封 2的上端外周面， 其使得两个垂直向的桶堆 叠稳定。
[0020] 方形罐身 1的四个转角位置分别设置有三条垂直向布置的加强筋结构， 每条加 强筋结构的底端和底部卷封 3间留有间距， 每条加强筋结构的上端和顶部卷封 2 间留有间距；
[0021] 每个转角处的三条加强筋分别为一条中心加强筋 4， 两条分布于两侧的侧部加 强筋 5， 三条加强筋的高度相同， 确保整个结构的对称性和制作方便性； 加强筋 结构的底端和底部卷封间留有间距， 加强筋结构的上端和顶部卷封间留有间距 ， 其使得底部卷封、 顶部卷封进行过程中不会和加强筋部分产生干涉， 提升了 罐体底部和顶部卷封处的强度， 且方形罐身的四个转角位置分别设置有三条垂 直向布置的加强筋结构， 其使得罐体转角的强度高； 综上， 其使得罐体转角的 强度高， 且同吋提升了底部和顶部卷封处的强度， 确保整个罐体的强度高。
[0022] 一种顶部缩口的方罐的制作工艺， 见图 4: 在涨方压筋之前预先通过寻焊缝装 置找到对应的焊缝、 并将该焊缝的位置旋转至预先设定的角度位置， 使得罐子 成型后， 焊缝的位置在罐身的指定位置， 确保罐身外观、 方便后续作业， 经过 寻焊缝工位后将已经焊接为圆柱形的金属结构进行涨方压筋后形成方形罐身， 之后将方形罐身的底端朝上布置进行底部翻边、 然后对翻边部分进行底部封罐
， 随后将罐身垂直向翻转 180°， 罐身的上端向上布置， 对罐身依次进行顶部翻边
、 顶部缩口， 然后对翻边部分进行顶部封罐， 形成方罐。
[0023] 其中寻焊缝工位、 涨方压筋工位可组合形成一个组合工位布置；
[0024] 底部翻边完成后通过轨道将罐身输送至底部封罐工位， 通过下压的机器直接完 成对于罐身的底部封罐， 其不会对此款处于下方的罐身的顶部造成变形， 底部 翻边工位和底部封罐工位可组合形成一个组合工位布置；
[0025] 底部封罐后的罐身通过人工翻转或机械翻转使得罐身垂直向翻转 180°， 罐身的 上端向上布置；
[0026] 罐身翻转 180°后被输送进入到顶部翻边工位， 定位翻边工位对罐身进行顶部翻 边后将罐身输送至顶部缩口工位形成缩颈结构， 之后将罐身输送至顶部封罐工 位， 通过封罐机械完成对于罐身的顶部封罐， 顶部翻边工位、 顶部缩口工位、 顶部封罐工位可组合形成一个组合工位布置。
[0027] 以上对本发明的具体实施例进行了详细说明， 但内容仅为本发明创造的较佳实 施例， 不能被认为用于限定本发明创造的实施范围。 凡依本发明创造申请范围 所作的均等变化与改进等， 均应仍归属于本发明的专利涵盖范围之内。

Claims

权利要求书
[权利要求 1] 一种顶部缩口的方罐， 其包括方形罐身， 所述方形罐身的顶部和底部 分别设置有顶部卷封、 底部卷封， 其特征在于： 所述加强筋结构的上 端到所述顶部卷封之间的外周面设置有缩颈结构， 所述底部卷封的下 端外周面盖装于顶部卷封的上端外周面。
[权利要求 2] 如权利要求 1所述的一种顶部缩口的方罐， 其特征在于： 所述方形罐 身的四个转角位置分别设置有三条垂直向布置的加强筋结构， 每条所 述加强筋结构的底端和所述底部卷封间留有间距， 每条所述加强筋结 构的上端和所述顶部卷封间留有间距。
[权利要求 3] 如权利要求 2所述的一种顶部缩口的方罐， 其特征在于： 每个转角处 的三条加强筋分别为一条中心加强筋， 两条分布于两侧的侧部加强筋 ， 三条加强筋的高度相同。
[权利要求 4] 一种顶部缩口的方罐的制作工艺， 其特征在于： 其将已经焊接为圆柱 形的金属结构进行涨方压筋后形成方形罐身， 之后将方形罐身的底端 朝上布置进行底部翻边、 然后对翻边部分进行底部封罐， 随后将罐身 垂直向翻转 180°， 罐身的上端向上布置， 对罐身依次进行顶部翻边、 顶部缩口， 然后对翻边部分进行顶部封罐， 形成方罐。
[权利要求 5] 如权利要求 4所述的一种顶部缩口的方罐的制作工艺， 其特征在于： 在涨方压筋之前预先通过寻焊缝装置找到对应的焊缝、 并将该焊缝的 位置旋转至预先设定的角度位置， 使得罐子成型后， 焊缝的位置在罐 身的指定位置。
[权利要求 6] 如权利要求 4或 5所述的一种顶部缩口的方罐的制作工艺， 其特征在于
： 所述底部翻边完成后通过轨道将罐身输送至底部封罐工位， 通过下 压的机器直接完成对于罐身的底部封罐。
[权利要求 7] 如权利要求 4或 5所述的一种顶部缩口的方罐的制作工艺， 其特征在于
： 所述底部封罐后的罐身通过人工翻转或机械翻转使得罐身垂直向翻 转 180°， 罐身的上端向上布置。
[权利要求 8] 如权利要求 4或 5所述的一种顶部缩口的方罐的制作工艺， 其特征在于 ： 所述罐身翻转 180°后被输送进入到顶部翻边工位， 定位翻边工位对 罐身进行顶部翻边后将罐身输送至顶部缩口工位形成缩颈结构， 之后 将罐身输送至顶部封罐工位， 通过封罐机械完成对于罐身的顶部封罐
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