WO2018070970A2 - Automated manufacture system for production of three-dimensional bags - Google Patents

Automated manufacture system for production of three-dimensional bags Download PDF

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Publication number
WO2018070970A2
WO2018070970A2 PCT/TR2017/050449 TR2017050449W WO2018070970A2 WO 2018070970 A2 WO2018070970 A2 WO 2018070970A2 TR 2017050449 W TR2017050449 W TR 2017050449W WO 2018070970 A2 WO2018070970 A2 WO 2018070970A2
Authority
WO
WIPO (PCT)
Prior art keywords
fabric
station
automated manufacture
manufacture system
folded
Prior art date
Application number
PCT/TR2017/050449
Other languages
French (fr)
Other versions
WO2018070970A3 (en
Inventor
Ali Avci
Original Assignee
Netpak Ambalaj Sanayi̇ Ti̇caret Anoni̇m Şi̇rketi̇
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Netpak Ambalaj Sanayi̇ Ti̇caret Anoni̇m Şi̇rketi̇ filed Critical Netpak Ambalaj Sanayi̇ Ti̇caret Anoni̇m Şi̇rketi̇
Publication of WO2018070970A2 publication Critical patent/WO2018070970A2/en
Publication of WO2018070970A3 publication Critical patent/WO2018070970A3/en

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Classifications

    • 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
    • B31B70/008—Stiffening or reinforcing
    • 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
    • B31B70/16—Cutting webs
    • B31B70/18—Cutting 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
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/26—Folding sheets, blanks or webs
    • B31B70/262—Folding sheets, blanks or webs involving longitudinally folding, i.e. along a line parallel to the direction of movement
    • 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
    • B31B70/60—Uniting opposed surfaces or edges; Taping
    • B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
    • B31B70/645—Making seals transversally to the direction of movement
    • 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
    • B31B70/74—Auxiliary operations
    • B31B70/86—Forming integral handles or mounting separate handles
    • B31B70/864—Mounting separate handles on bags, sheets or webs
    • B31B70/87—Applying handles on one side of a moving longitudinally folded web, e.g. after cutting a tubular web longitudinally; Applying handles on both sides of a moving web and folding this web longitudinally afterwards
    • 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
    • B31B70/74—Auxiliary operations
    • B31B70/86—Forming integral handles or mounting separate handles
    • B31B70/876—Forming integral handles or mounting separate handles involving application of reinforcement strips or patches; involving reinforcements obtained by folding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
    • B29C65/62—Stitching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
    • B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
    • B29C66/43121—Closing the ends of tubular or hollow single articles, e.g. closing the ends of bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
    • B29C66/4326—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms for making hollow articles or hollow-preforms, e.g. half-shells
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/729—Textile or other fibrous material made from plastics
    • B29C66/7294—Non woven mats, e.g. felt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/851—Bag or container making machines
    • B29C66/8511—Bag making machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7128—Bags, sacks, sachets
    • B29L2031/7129—Bags, sacks, sachets open
    • 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
    • B31B2155/0014—Flexible containers made from webs by folding webs longitudinally having their openings facing transversally to the direction of movement
    • 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
    • B31B2160/00—Shape of flexible containers
    • B31B2160/20—Shape of flexible containers with structural provision for thickness of contents

Definitions

  • the invention relates to production of bags made of polypropylene (PP), polyethylene (PE), non-woven fabrics and used for keeping and carrying post-sale products.
  • the present invention relates to a ultrasound welded automated manufacture system wherein wastes occurring in bag manufacturing is minimized at a high rate and where less materials are used when compared to present productions.
  • bellow form is provided on both edges of the fabric of pipe form by bellow mechanism.
  • the forming process consists of an extra process stage. Extra fabric use is also seen in process step of forming bottom surface of the bag.
  • These extra process steps of the related art have negative effects on production process and cost. Such difference in unit cost causes high costs in total cost.
  • the invention numbered TR2012/02108 described above relates to a bag (carrier bag) made from polypropylene (pp), polyethylene (pe), laminated and non-laminated fabrics, manufactured in quick way by means of ultrasonic welding without use of seams and generally used for keeping and carrying of post-sale products in retail sector (clothing, shoes, food etc.) and method for production of the bag.
  • the invention numbered TR2009/04531 relates to a sack used for packing and conserving agricultural products such as potatoes, onions and legume products such as flour, sugar, fodder etc. and any industrial products such as coal and fertilizer, granules, chemicals and limestone and containing sack bottom in the lower part, sack bottom seams made on the said sack bottom by means of seaming string and sack mouth formed in upper part and it is characterized in that it consists of a folding part formed in the said sack mouth and ultrasonic binding part providing binding of the sack mouth with heating, accordion part formed on side parts of the sack and increasing sack volume and keeping the sack in straight position when full.
  • the primary purpose of the invention is to minimize the production process and cost of bags consisting of polypropylene (PP), polyethylene (PE) non-woven fabrics in production.
  • Other purposes of the invention are:
  • Figure 1 is general schematic top view of automated manufacture system disclosed hereunder.
  • FIG. 2 is schematic view of process phases of the fabric exposed to processing by automated manufacture system disclosed hereunder. Description of Part References
  • the Figure 1 is a general schematic view of automated manufacture system (100) for bags (A3) of bellow free structure wherein polypropylene (PP), polyethylene (PE), non-woven fabrics are joined by ultrasonic welding method, material saving is provided and production process are minimized.
  • the automated manufacture system (100) consists of moving means (1 17) advancing the fabric (A) in roll (A1 ) by means of roll loading section (101 ) along production line and a braking mechanism (102) in located in the roll loading section (101 ) and providing stop and proceed motion to the embodiment on production line. It also consists of an edge folding station (103) where edges (A2) of the fabric (A) are folded and a mid-axis folding station (104) enables folding the fabric (A), which has folded edges (A2), from the middle.
  • a side edge welding station (105) fixing the folded edges (A2) of the fabric (A) and a sensor (106) adjusting cutting of the fabric (A) moves along production line in the preset bag size and adjusting the required size distance by an encoder or distance measuring system are integrated onto photocell system. It also contains a pulling-driving mechanism (107) providing movement of the fabric (A) in production line after side edge welding station (105). It has a bottom cutting station (1 10) cutting closed and folded bottom edge (A5) of the fabric (A) and a handle fitting station (1 12) fixing the strip form handles on folded edges (A2).
  • the automated manufacture system also contains a cutting station (1 15) applying cutting procedure at vertical x-axis to the fabric ready for strip handle fitting (A6) in the measurement steps determined by the said photocell (106), a handle preparation station (1 1 1 ) wherein handles in strip form are prepared and a length adjustment station (1 14).
  • conveyor (1 16) providing conveyance of the fabric with fixed handles (A7) is integrated onto the system.
  • a bottom fixing station (1 18) making ultrasonic welding or seaming as preferred with a second bottom fabric (A8.1 ) in order to close the open bottom edge (A7) of the fabric with handle (A7) in pipe form.
  • the automated manufacture system (100) is working as follows:
  • Figure 1 shows schematic view of mechanical structure of the system while figure 2 shows manufacturing stages of the product that is produced with the system and the mechanical structure.
  • the fabric (A) in roll (A1 ) is moved along production line by means of roll loading section (101 ).
  • both edges (A2) of the fabric (A) are folded and seaming is made onto these edges (A2) by ultrasonic welding.
  • the mid-axis mentioned in figure 2 is folded at folding station (104).
  • the fabric (A) is in the form where the folded bottom edge (A5) is closed and other upper edges are open.
  • the fabric (A) moved along line is cut in bag size and cutting measurement is conducted by means of photocell (106) for desired size distance adjustment.
  • Cutting the closed folded bottom edge (A5) of the folded fabric (A) is made by bottom cutting station (1 10). However, before or after bottom cutting, strip form handles are fixed onto folded edges (A2). The said strip handles are fixed at handle fitting station (1 12). The handle preparation station (1 1 1 ) transferring the strips cut in desired width to handle fitting station (1 12) is integrated onto the system. After this production stage, fabric ready for strip handle fitting (A6) is obtained. The fabric (A) is not in the bag (A3) form in this stage yet. After the cutting operation made in the length adjustment station (1 14) and the applying cutting station (1 15), the structure where bottom edge (A8) is open is obtained.
  • the bottom fabric (A8.1 ) is sewed or welded onto the bottom edge (A8) after the product whose bottom edge (A8) is open is sent to ultrasonic bottom fixing station (1 18).
  • the bag (A3) is obtained in final stage.
  • the fabrics (A) are put onto each other in cut form without need for mid-axis folding station (104) and conveyed in parallel is also possible.
  • the fabric (A) can be fed directly to the system in cut form without need of folding and then cutting. For that reason, use of mid-axis folding station (104) may not be necessary.

Landscapes

  • Making Paper Articles (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

An automated manufacture system (100) for bags (A3) of bellow free structure wherein polypropylene (PP), polyethylene (PE), non-woven fabrics (A) are joined by ultrasonic welding method, material saving is provided and production process are minimized, it consists of an edge folding station (103) where edges (A2) of the fabric (A) are folded, a side edge welding station (105) fixing the folded edges (A2) of the fabric (A), a bottom cutting station (110) cutting the closed folded bottom edge (A5) of the fabric (A) folded in the middle, a length welding station (113) conducting welding to fabric (A) via ultrasonic welding technique on vertical x-axis in measurement steps determined by photocell (106), a handle fitting station (112), a cutting station (115) applying cutting process and a bottom fixing station (118).

Description

Automated Manufacture System for Production of Three-Dimensional Bags The Related Art
The invention relates to production of bags made of polypropylene (PP), polyethylene (PE), non-woven fabrics and used for keeping and carrying post-sale products. The present invention relates to a ultrasound welded automated manufacture system wherein wastes occurring in bag manufacturing is minimized at a high rate and where less materials are used when compared to present productions.
Background of the Invention
The existing process of production of bags made from polypropylene (PP), polyethylene (PE) non-woven fabrics for carrying products and goods is as follow: At first stage, the non-woven fabric in rolls are folded at fabric folding machine. Then, the fabric folded at folding machine are welded on side edge with ultrasonic welding. Upon welding open edges, bellow form is provided in the fabric in pipe form with both edges close by means of bellow mechanism. Then bottom part of the fabric to be bag is welded by ultrasonic welding. Fabric bellow with bottom welded is cut by length cut blade at the set step and bags are formed. After fabric layer is made in bag form by semi-automation at a separate machine, mouth part is folded inward and then handles are located on both sides of the mouth section by semi-automation at a separate machine and welded by ultrasonic welding.
In the above mentioned production technique, bellow form is provided on both edges of the fabric of pipe form by bellow mechanism. The forming process consists of an extra process stage. Extra fabric use is also seen in process step of forming bottom surface of the bag. These extra process steps of the related art have negative effects on production process and cost. Such difference in unit cost causes high costs in total cost. The invention numbered TR2012/02108 described above relates to a bag (carrier bag) made from polypropylene (pp), polyethylene (pe), laminated and non-laminated fabrics, manufactured in quick way by means of ultrasonic welding without use of seams and generally used for keeping and carrying of post-sale products in retail sector (clothing, shoes, food etc.) and method for production of the bag.
The invention numbered TR2009/04531 relates to a sack used for packing and conserving agricultural products such as potatoes, onions and legume products such as flour, sugar, fodder etc. and any industrial products such as coal and fertilizer, granules, chemicals and limestone and containing sack bottom in the lower part, sack bottom seams made on the said sack bottom by means of seaming string and sack mouth formed in upper part and it is characterized in that it consists of a folding part formed in the said sack mouth and ultrasonic binding part providing binding of the sack mouth with heating, accordion part formed on side parts of the sack and increasing sack volume and keeping the sack in straight position when full.
Purpose of the Invention
The primary purpose of the invention is to minimize the production process and cost of bags consisting of polypropylene (PP), polyethylene (PE) non-woven fabrics in production. Other purposes of the invention are:
- welding the bottom section, cut at a separate place and included into automated manufacture system, by means of ultrasonic welding at the last stage,
- preventing out of standard production that might occur during manufacture of ultrasonic welded carrier bag thanks to automated manufacture system, - to provide process stability by means of automated manufacture system,
- increasing production speed by means of automated manufacture system.
- reducing workmanship cost by means of automated manufacture system. - minimizing the wastes occurring during production by means of automated manufacture system. Brief Description of the Drawings
Figure 1 is general schematic top view of automated manufacture system disclosed hereunder.
Figure 2 is schematic view of process phases of the fabric exposed to processing by automated manufacture system disclosed hereunder. Description of Part References
100- Automated manufacture system
101 - Roll loading section
102- Braking mechanism
103- Edge folding station
104- Folding station
105- Side edge welding station
106- Sensor (photocell)
107- Pulling-driving mechanism
109- Bending station
1 10- Bottom cutting station
1 1 1 - Handle preparation station
1 12- Handle fitting station
1 13- Length welding station
1 14- Length adjustment station
1 15- Cutting station
1 16- Conveyor
1 17- Moving means
1 18- Bottom fixing station
A- Fabric
A1 - Roll A2- Edges
A3- Bag
A4- Photocell line
A5- Folded bottom edge
A6- Fabric ready for handle fitting
A7- Fabric with handle
A8- Opened bottom
A8.1 Bottom fabric Detailed Description of the Invention
The Figure 1 is a general schematic view of automated manufacture system (100) for bags (A3) of bellow free structure wherein polypropylene (PP), polyethylene (PE), non-woven fabrics are joined by ultrasonic welding method, material saving is provided and production process are minimized. The automated manufacture system (100) consists of moving means (1 17) advancing the fabric (A) in roll (A1 ) by means of roll loading section (101 ) along production line and a braking mechanism (102) in located in the roll loading section (101 ) and providing stop and proceed motion to the embodiment on production line. It also consists of an edge folding station (103) where edges (A2) of the fabric (A) are folded and a mid-axis folding station (104) enables folding the fabric (A), which has folded edges (A2), from the middle.
On the other hand, a side edge welding station (105) fixing the folded edges (A2) of the fabric (A) and a sensor (106) adjusting cutting of the fabric (A) moves along production line in the preset bag size and adjusting the required size distance by an encoder or distance measuring system are integrated onto photocell system. It also contains a pulling-driving mechanism (107) providing movement of the fabric (A) in production line after side edge welding station (105). It has a bottom cutting station (1 10) cutting closed and folded bottom edge (A5) of the fabric (A) and a handle fitting station (1 12) fixing the strip form handles on folded edges (A2).
It also consists of a length welding station (1 13) welding the fabric (A) on vertical x- axis with ultrasonic welding technique in measurement steps determined by photocell (106), and bending station (109). A photocell line (A4) formed by the photocell (106) is shown illustratively in figure 2. The bending station (109) is a station that enables easy folding and straightening of the bag. The automated manufacture system also contains a cutting station (1 15) applying cutting procedure at vertical x-axis to the fabric ready for strip handle fitting (A6) in the measurement steps determined by the said photocell (106), a handle preparation station (1 1 1 ) wherein handles in strip form are prepared and a length adjustment station (1 14). In the final section, conveyor (1 16) providing conveyance of the fabric with fixed handles (A7) is integrated onto the system. Lastly, it consists of a bottom fixing station (1 18) making ultrasonic welding or seaming as preferred with a second bottom fabric (A8.1 ) in order to close the open bottom edge (A7) of the fabric with handle (A7) in pipe form.
The automated manufacture system (100) is working as follows:
Figure 1 shows schematic view of mechanical structure of the system while figure 2 shows manufacturing stages of the product that is produced with the system and the mechanical structure. The fabric (A) in roll (A1 ) is moved along production line by means of roll loading section (101 ). In the first stage, both edges (A2) of the fabric (A) are folded and seaming is made onto these edges (A2) by ultrasonic welding. The mid-axis mentioned in figure 2 is folded at folding station (104). After this folding process, the fabric (A) is in the form where the folded bottom edge (A5) is closed and other upper edges are open. The fabric (A) moved along line is cut in bag size and cutting measurement is conducted by means of photocell (106) for desired size distance adjustment. Cutting the closed folded bottom edge (A5) of the folded fabric (A) is made by bottom cutting station (1 10). However, before or after bottom cutting, strip form handles are fixed onto folded edges (A2). The said strip handles are fixed at handle fitting station (1 12). The handle preparation station (1 1 1 ) transferring the strips cut in desired width to handle fitting station (1 12) is integrated onto the system. After this production stage, fabric ready for strip handle fitting (A6) is obtained. The fabric (A) is not in the bag (A3) form in this stage yet. After the cutting operation made in the length adjustment station (1 14) and the applying cutting station (1 15), the structure where bottom edge (A8) is open is obtained. The bottom fabric (A8.1 ) is sewed or welded onto the bottom edge (A8) after the product whose bottom edge (A8) is open is sent to ultrasonic bottom fixing station (1 18). Thus the bag (A3) is obtained in final stage. In the system if preferred, the fabrics (A) are put onto each other in cut form without need for mid-axis folding station (104) and conveyed in parallel is also possible. Thus the fabric (A) can be fed directly to the system in cut form without need of folding and then cutting. For that reason, use of mid-axis folding station (104) may not be necessary.

Claims

An automated manufacture system (100) for bags (A3) of bellow free structure wherein polypropylene (PP), polyethylene (PE), non-woven fabrics (A) are joined by ultrasonic welding method, material saving is provided and production process are minimized, comprising;
- moving means (1 17) providing movement of the fabric (A) in roll (A1 ) along production line by means of roll loading section (1 01 ).
- a photocell (106) adjusting cutting of the fabric (A) moving along production line in the preset bag size and adjusting the required size distance with an encoder or a distance measuring system,
- a handle fitting station (1 12) fixing the strip form handles on folded edges (A2),
- a length welding station (1 13) conducting welding with ultrasonic welding technique to the fabric (A) on vertical x- axis in measurement steps determined by photocell (106),
- a cutting station (1 15) applying cutting operation at vertical x- axis to the fabric ready for strip handle fitting (A6) in size steps determined by photocell (106),
- a bottom fixing station (1 18) wherein bottom fabric (A8.1 ) is fixed to handle fabric (A7) of pipe form in order to close the open bottom edge.
The automated manufacture system (100) according to claim 1 , comprises a braking mechanism (102) located in the roll loading section (101 ) and providing forward motion and stopping to the structure moved on the production line.
The automated manufacture system (100) according to claim 1 , comprises a pulling-driving mechanism (107) enabling movement of the fabric (A) in production line after the side edge welding station (105).
The automated manufacture system (100) according to claim 1 , comprises a bending station (109). 5- The automated manufacture system (100) according to claim 1 , comprises a mid-axis folding station (104) folding the fabric (A), which has folded edges (A2), from the middle. 6- The automated manufacture system (100) according to claim 1 , comprises an edge folding station (103) where the edges (A2) of the said fabric (A) are folded.
7- The automated manufacture system (100) according to claim 1 , comprises a side edge welding station (105) fixing the folded edges (A2) of the fabric (A).
8- The automated manufacture system (100) according to claim 1 , comprises a handle preparation station (1 1 1 ) preparing strip form handles.
9- The automated manufacture system (100) according to claim 1 , comprises a length adjustment station (1 14).
10- The automated manufacture system (100) according to claim 1 , comprises a conveyor (1 16) providing forward movement of the fabric with handle (A7) on which handles are fitted.
11 - The automated manufacture system (100) according to claim 1 , comprises a bottom cutting station (1 10) providing cutting of the closed and folded bottom edge (A5) of the folded fabric (A). 12-The automated manufacture system (100) according to claim 1 , comprises a bottom fixing station (1 18) wherein apparel seaming system or ultrasonic welding system is preferred.
13-An automated manufacture method for bags (A3) of bellow free structure wherein polypropylene (PP), polyethylene (PE), non-woven fabrics (A) are joined by ultrasonic welding method, material saving is provided and production process are minimized, comprising process steps of; - moving the fabric (A) in roll (A1 ) along production line by means of roll loading section (101 ),
- folding the edges (A2) of the fabric (A) by means of edge folding station
(103) ,
- folding the fabric (A) from the middle by means of mid- axis folding station
(104) or including the fabric (A) into the system in parallel position in the cut form without folding,
- welding the folded edges (A2) of the fabric (A) by means of side edge welding station (105),
- determining bag size of the fabric (A) by means of photocell (106),
- cutting the close folded bottom edge (A5) by means of bottom cutting station (1 10),
- fixing the handles on folded edges (A2) by means of handle fitting station (1 12),
- conducting ultrasonic welding to the fabric (A) on vertical x- axis in size steps determined by photocell (106) by means of welding station (1 13),
- applying cutting operation at vertical x-axis to the fabric ready for strip handle fitting (A6) in size steps determined by photocell (106) by means of cutting station (1 15),
- fixing bottom fabric (A8.1 ) onto open bottom edge of the fabric with handle (A7) in pipe form by means of bottom fixing station (A8.1 ).
PCT/TR2017/050449 2016-10-12 2017-09-26 Automated manufacture system for production of three-dimensional bags WO2018070970A2 (en)

Applications Claiming Priority (2)

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TR2016/14354 2016-10-12
TR201614354 2016-10-12

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WO2020231358A1 (en) 2019-05-13 2020-11-19 Netpak Ambalaj Sanayi̇ Ti̇caret Anoni̇m Şi̇rketi̇ Production system and method of fabric bag with garment sewing
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BE1003043A7 (en) * 1989-03-28 1991-11-05 Cornelis Albert BAG WITH HANDLES CUT INTO AN AREA WITH REINFORCEMENT, METHOD AND INSTALLATION FOR MAKING THIS BAG.
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WO2020231357A1 (en) * 2019-05-13 2020-11-19 Netpak Ambalaj Sanayi̇ Ti̇caret Anoni̇m Şi̇rketi̇ Production machine and method of ultrasonic welded 3-d carrying bag with self-bellow and lower base
CN111016288A (en) * 2019-12-26 2020-04-17 姚厚君 Manufacturing process of non-woven fabric handbag
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CN114619706A (en) * 2022-02-17 2022-06-14 厦门锦朗包袋有限公司 Production and preparation method and equipment of handbag
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