WO1998047769A1 - Machine d'emballage sous film etirable - Google Patents
Machine d'emballage sous film etirable Download PDFInfo
- Publication number
- WO1998047769A1 WO1998047769A1 PCT/JP1998/001811 JP9801811W WO9847769A1 WO 1998047769 A1 WO1998047769 A1 WO 1998047769A1 JP 9801811 W JP9801811 W JP 9801811W WO 9847769 A1 WO9847769 A1 WO 9847769A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- film
- tray
- guide
- transport direction
- conveyor device
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
- B65B11/06—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths
- B65B11/08—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a single straight path
- B65B11/10—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a single straight path to fold the wrappers in tubular form about contents
- B65B11/12—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a single straight path to fold the wrappers in tubular form about contents and then to form closing folds of similar form at opposite ends of the tube
Definitions
- a tray is transported by a conveyor device, while a belt-shaped stretch film is transported in the same direction as the tray above the conveyor device, and the stretch film is expanded around the tray to form a tube.
- the present invention relates to a stretch wrapping machine that is wrapped over a wrapper.
- stretch film stretch film
- the stretch film used at this time has a very high adhesiveness, if the film is simply covered on the tray, the stretching action is impaired on the upper surface of the tray, causing wrinkles, and conversely, unnecessarily. If the tray is placed on the tray while it is stretched, if the tray is soft or if the contents to be stored in the tray are weak, the film will be crushed because the film tension acts directly on the tray contents. There was a thing.
- a film guide section is provided inside the left and right film supply devices that support both side edges of the film and feed and feed the film, above the tray that conveys the film on the conveyor device.
- a film guide portion having a length in the transport direction is provided on both sides of the conveyor device, and the height of the upper edge portion of the film guide portion that stretches and supports the film is slightly higher than the height of the tray for transport.
- the film slides on the upper edge of the film guide when the film is stretched because the film guide is installed higher than the upper surface of the tray.
- the film does not come into contact with the tray, so that the entire film is kept in a uniform tension without applying a large load to the upper edge of the tray or the contents when the film is supplied.
- the film is stretched on the upper surface of the tray and wrapped around the tray, while releasing the stretch to prevent wrinkles.
- the front end of the film guide in the transport direction is simply located at the front end of the film supply device in the transport direction.
- the leading end of the film guide unit in the transport direction is closer than the release position of the leading end in the transport direction of the film supply device. If the section is in the retracted position, the stretched film will push the tray from top to bottom before the left and right film stretches can be unraveled, and the tray will not receive a heavy load. Absent.
- the tray should have a certain degree of rigidity and should not be deformed or crushed under the load of the film tension.
- the tray is not very rigid, such as a tray for strawberry.
- the tray may be crushed and hinder the conveyance. That is, depending on the type of tray, the slight positional deviation between the leading end of the film guide unit and the leading end of the film supply device with respect to the transport direction may hinder packaging due to the load due to the film extension tension. There is.
- An object of the present invention is to provide an epoch-making stretch wrapping machine which is extremely practical and can solve such problems by focusing on such problems. Disclosure of the invention
- the tray containing the contents is conveyed by the conveyor device, and the film is held in the left and right sides by the film supply devices provided on both the left and right sides of the conveyor device, and is sent out in the tray conveying direction in an extended state.
- This film is stretched and supported on the conveyor device by film guide portions provided on both the left and right sides of the conveyor device.
- the film is covered from above the tray due to the disappearance and the release of the stretching and pinching by the film supply device, and the left and right ends of the released film are guided to the lower center of the tray, and the film is tubularly covered on the tray. Furthermore, the film before and after the tray is cut, and the folding tray is packed in the tray.
- the present invention even if the film is transported to the transport position corresponding to the film release position where the tray is released from the left and right sides of the film supply device by the conveyor device so that the film is not pinched in the extended state, At this point, the film is still stretched and supported above the tray by the film guide, so the film tension does not reach the tray, and even if the tray is weak, it is not deformed or crushed.
- the film is held at both ends by the left and right film supply devices and has a strong spreading tension. Due to the presence of the guide portion, the tray is securely stretched and supported above the tray, so that the strong extension tension does not reach the tray.
- the film stretching and holding from both the left and right sides is released, and the film stretching action of the film guide portion is transferred to the tray.
- the film guide may be used.
- the left and right sides of the film by the film supply device Is released, so that the film is not pressed down from the top of the tray to The film is transported together with the tray while being covered from above.
- the film guide portion of the film guide portion is released from the left and right after the film is released from the left and right sides by projecting the leading end of the film guide portion in the transport direction from the film release position toward the transport direction.
- the tension function is transferred to the tray, and the strong tension of the film does not reach the tray. Any kind of tray can be transported and packaged regardless of the type.
- the film is configured to be immediately contacted with the tray and placed over the tray after the release of the film extension, and the timing is delayed so that noticeable wrinkles are generated on the film. It can be configured so as not to have any.
- FIG. 1 is a schematic configuration side view of the present embodiment
- FIG. 2 is a schematic configuration plan view of the embodiment
- FIG. 3 is a schematic configuration front view of a main part of the embodiment.
- FIG. 4 is an enlarged schematic perspective view of the main part of the present embodiment
- FIG. 5 is an enlarged explanatory side view of the main part when the tray of the present embodiment reaches the film release position.
- FIG. 6 is an enlarged explanatory side view of a main part when the film of the present embodiment has passed the transport position where the film coincides with the film release position and has come into contact with the tray.
- FIG. FIG. 8 is an enlarged front view of the main part before the tray of the example reaches the transport position that matches the film release position
- Fig. 8 shows a state when the tray of the present embodiment reaches the transport position that matches the film release position.
- Fig. 9 is an enlarged front view of an essential part of the embodiment. Fig. 9 shows that the tray of this embodiment matches the film release position. That film past the transfer position is expansion large explanatory front view of a main part at the time of contact me Ray.
- a tray 1 made of a transparent resin having a box-like shape with an upper opening and containing foods such as mushrooms and strawberries is wrapped in a tubular shape from above with a stretchable stretch film 3 having high adhesion and cutting.
- the present invention is applied to a packaging machine that folds the front and rear ends of the wrapper below the tray and wraps them.
- the stretch wrapping machine of the present embodiment includes a film coating step of bringing the film 3 into contact with the tray 1 from above the tray 1 while pulling out the belt-like film 3 in the extended state above the tray 1 to be horizontally transported. While pulling the film 3 from the unloading side while further transporting the part A and the tray 1, set the left and right ends of the film 3 under the tray 1. JP98 / 01811
- the film packaging process part B in which the film 3 is guided to the center of the side and the film 3 is packaged in the tray 1 in a cylindrical shape, and the film 3 between the trays 1 that are sequentially conveyed and packaged are cut, and the front and rear ends of the cut film are cut. It consists of a film cutting and packaging completion process part C that folds down the tray 1 and unloads the packed tray 1.
- a belt-shaped stretch film 3 is stretched on both left and right sides of a conveyor device 2 that horizontally places and conveys the tray 1 forward, and is pulled out from the film roll 3 A above the conveyor device 2 while being stretched by sandwiching the left and right ends.
- a pair of film supply devices 4 for feeding in the tray transport direction are provided.
- the left and right film supply devices 4 are configured so that the belt conveyor device 4A to be wound and transported is brought close to the upper and lower sides, and the side ends of the film 3 are stretched and pinched by the upper and lower belt conveyor devices 4A.
- the left and right side edges of the film 3 pulled out from the film roll 3A are nipped by the upper and lower belt conveyor devices 4A arranged on the left and right, and the film 3 is conveyed to the tray 1 by the feed movement of the belt conveyor device 4A. It is configured to send in the direction.
- the left and right film supply devices 4 are provided so as to be inclined downward in the direction in which the tray 1 is conveyed.
- the film 3 is configured to be gradually stretched from left and right while being stretched strongly, and in this embodiment, the film 3 is configured to be located at a position lower than the lower surface of the tray 1 on the conveyor device 2 at the leading end of the conveyor. Have been.
- the film 3 which is sandwiched and extended at both left and right ends, is stretched above the conveyor device 2 (tray 1) inside the left and right film supply devices 4 and on both left and right sides of the conveyor device 2.
- a supporting film guide section 5 is provided.
- the left and right film guide portions 5 have a length in the transport direction, and the upper edge portions 5A of the guides are arranged at the same height in the left and right directions, and the film 3 is placed above the tray 1 which is horizontally transported by the conveyor device 2. While the film 3 is supported on a tension and the film 3 is held above the tray 1 while being held in a horizontal state while being stretched, the film 3 is fed out to slide the guide upper portion 5A. It is configured to move (in the present embodiment, move in the length direction of the film guide section 5).
- the film 3 does not come into contact with the tray 1 until the film stretching action by the film guide portion 5 is stopped, and the film 3 is stretched above the tray 1 in the extended state by the left and right film supply devices 4. It is configured to be sent out in the transport direction as it is.
- the film feed roller 9 in the film packaging process part B overlaps the both edges of the film 3 to overlap the film cylinder.
- the film is released from the belt conveyor device 4A by the film guide mechanism 13 such as the guide shaft # 0 that guides both edges of the film 3 and the guide edge 12 provided on the guide plate 11.
- the fed film 3 is guided to the lower center of the tray 1 and the upper end Q of the film guide portion 5 in the transport direction at the upper side. Only the film 3 is constructed so that is covered from above of Bok Ray 1.
- the tray 1 is configured to be continuously transported by the second conveyor device 14 for sandwiching and transporting the tray 1 from both right and left sides, and that the film 3 is wound around the tray 1 by the film guide mechanism 13 in a cylindrical shape.
- the guide upper edge 5A of the film guide portion 5 is extended from the upper edge height of the tray 1 on the conveyor device 2 to the end of the transport direction side tip Q. It is set at a higher position, and the end of the leading end Q of the upper guide portion 5A of the film guide portion 5 in the transport direction is set to protrude more reliably in the transport direction than the film release position P. .
- the guide upper edge 5 of the film guide section 5 is more than the film release position P. It is configured such that the forward end Q of A in the transport direction projects in the transport direction of the tray 1. Therefore, as shown in FIG. 5 and FIG. 8, the film release position P at which the tray 1 is released by the conveyor device 2 from holding the film 3 of the film supply device 4 from both left and right sides in an extended state is released.
- the film 3 is held at both ends by the left and right film supply devices 4 and has a strong spreading tension.
- the film guide portion 5 is still securely stretched and supported above the tray 1 by the presence of the film guide portion 5, so that the strong extension tension does not reach the tray 1.
- the film 3 When the film 3 is sent and delivered to the tray 1 while being stretched, for example, at a position where the height of the film guide portion 5 gradually decreases and the extension tension is weakened and becomes equal to or lower than the height of the tray 1 (For example, when the stretched state of the film 3 is transferred to the tray 1) Since the left and right sides of the film 1 are released by the film supply device 4, the film 1 is directed downward from the top of the tray 1. The film 3 to the tray 1 while a force is suppressed to depress been covered from above with Torei 1 film 3 is transported.
- the present invention provides a film guide portion 5 having a forward end portion Q projecting toward the transport direction side of the film release portion P from the film release position P.
- a film guide portion 5 having a forward end portion Q projecting toward the transport direction side of the film release portion P from the film release position P.
- the degree of protrusion is configured so that the film 3 comes into contact with the tray 1 from above immediately after the film is released, so that the film 3 does not suffer from noticeable wrinkles due to this timing delay.
- the leading end Q in the transport direction of the film guide portion 5 is set so as to slightly protrude toward the transport direction from the film release position P.
- the film width, film material, and film elongation are set.
- the film guide section 5 may be configured so that the projecting position of the leading end portion Q in the transport direction of the film guide section 5 can be adjusted so as to be appropriate in consideration of the ratio and the like.
- the upper guide portion 5A of the film guide portion 5 is set to a position sufficiently higher than the upper edge 1A of the tray 1 halfway, and the leading end in the transport direction is directed toward the transport direction.
- the tip Q is at a height slightly above the upper edge of the tray 1.
- the film 3 stretched by the film supply device 4 is pulled out and conveyed while being supported horizontally above the tray 1 to a certain extent, and gradually descends near the film release position P, where It will go down near the upper part of 1.
- the leading end Q of the guide upper edge 5A on the side of the tray 1 in the transport direction surely protrudes from the film release position P toward the transport direction of the tray 1, so that the film feeder 4 Until the film stretching is released, the film stretching action by the guide upper edge portion 5A is securely held.
- the film 3 can be sufficiently positioned near the upper portion of the tray 1, the film 3 can be brought into contact with the tray 1 immediately after the extension is released without delaying the timing even if the degree of protrusion is slight. However, it is possible to cover the film 1 so that strong tension is not applied to the tray 1 and wrinkles are not generated as much as possible.
- the guide upper edge 5A of the film guide portion 5 is provided at a high position in advance (partially), even if the content 8 protrudes upward from the tray 1 (the content 8 is (Even if it hits the stretched film 1) Transporting and packaging becomes possible. In this case, guide the film guide 5 on both sides of tray 1 and contents 8.
- the upper edge 5A of the guide By providing the upper edge 5A of the guide, the stress caused by the expansion of the film 3 can be received by the upper edge 5A of the guide disposed on both sides of the tray 1, whereby the contents 8 ⁇ the tray 1 can be removed. It is possible to suppress the action of the spreading tension of (3) being pushed downward from above to below, and also to prevent the problem of crushing the soft contents (8) tray (1).
- the endless belt 7 in the form of a round rod is movably suspended between the opening portions 6 that are freely rotatable so as not to damage the film 3.
- the film guide portion 5 is configured so that the lum 3 is supported by a tension.
- the configuration of the film guide section 5 is easily realized, and the moving and transporting of the film 3 is smooth, so that the stretch packaging machine is extremely practical.
- the endless belt 7 hung over a mouth or the like functioning as the guide upper edge 5A is a film.
- the endless belt 7 is fed by the action of friction with the transfer movement of 3, so that the film 3 can be smoothly transferred without being damaged.
- the film is released at the leading end of the film supply device 4 in the transport direction (having a height lower than the tray transport position). While the film 3 released at the position P is conveyed by the feed roller 9, the left and right side edges of the film are guided by the guide mechanism 13 so as to overlap the lower center of the tray 1. It is configured so as to be rolled up by polymerization.
- the film 3 between the trays 1 is cut by the cutting device 15 descending between the trays 1 to be film-packaged in this way, and the cut end is folded into the lower surface side of the tray 1. .
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Basic Packing Technique (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9101996A JP3039777B2 (ja) | 1997-04-18 | 1997-04-18 | ストレッチ包装機 |
JP9/101996 | 1997-04-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998047769A1 true WO1998047769A1 (fr) | 1998-10-29 |
Family
ID=14315445
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1998/001811 WO1998047769A1 (fr) | 1997-04-18 | 1998-04-20 | Machine d'emballage sous film etirable |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP3039777B2 (ja) |
KR (1) | KR20000016814A (ja) |
CN (1) | CN1124215C (ja) |
WO (1) | WO1998047769A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108656511A (zh) * | 2018-06-27 | 2018-10-16 | 安徽铜峰电子股份有限公司 | 一种横向拉伸入口悬浮式托盘系统 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3574947B2 (ja) * | 2000-03-07 | 2004-10-06 | 株式会社フジキカイ | 横型製袋充填機におけるフィルム製袋装置 |
KR100387967B1 (ko) * | 2000-12-28 | 2003-06-18 | 엘지전자 주식회사 | 광 픽업장치에서 레이저 다이오드의 자세 조정장치 |
JP3964730B2 (ja) * | 2002-05-02 | 2007-08-22 | 株式会社湯山製作所 | 薬剤包装装置 |
CN103708063A (zh) * | 2013-12-04 | 2014-04-09 | 无锡佳泰科技有限公司 | 标签纸自动打卷输送线 |
CN103738514A (zh) * | 2013-12-04 | 2014-04-23 | 无锡佳泰科技有限公司 | 标签纸自动打卷输送线的收缩膜包覆装置 |
CN103738547A (zh) * | 2013-12-04 | 2014-04-23 | 无锡佳泰科技有限公司 | 一种卷装保鲜袋包装封合切割装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5294292A (en) * | 1976-01-30 | 1977-08-08 | Tokyo Electric Co Ltd | Packing apparatus |
JPH08133241A (ja) * | 1994-11-14 | 1996-05-28 | Tec Corp | 秤付き包装装置 |
JPH08169408A (ja) * | 1994-12-20 | 1996-07-02 | Teraoka Seiko Co Ltd | ストレッチフィルム包装機 |
JPH09110006A (ja) * | 1995-10-13 | 1997-04-28 | Omori Mach Co Ltd | 包装機における物品搬送装置 |
-
1997
- 1997-04-18 JP JP9101996A patent/JP3039777B2/ja not_active Expired - Lifetime
-
1998
- 1998-04-20 KR KR1019980710457A patent/KR20000016814A/ko not_active Application Discontinuation
- 1998-04-20 CN CN98800483A patent/CN1124215C/zh not_active Expired - Fee Related
- 1998-04-20 WO PCT/JP1998/001811 patent/WO1998047769A1/ja not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5294292A (en) * | 1976-01-30 | 1977-08-08 | Tokyo Electric Co Ltd | Packing apparatus |
JPH08133241A (ja) * | 1994-11-14 | 1996-05-28 | Tec Corp | 秤付き包装装置 |
JPH08169408A (ja) * | 1994-12-20 | 1996-07-02 | Teraoka Seiko Co Ltd | ストレッチフィルム包装機 |
JPH09110006A (ja) * | 1995-10-13 | 1997-04-28 | Omori Mach Co Ltd | 包装機における物品搬送装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108656511A (zh) * | 2018-06-27 | 2018-10-16 | 安徽铜峰电子股份有限公司 | 一种横向拉伸入口悬浮式托盘系统 |
Also Published As
Publication number | Publication date |
---|---|
KR20000016814A (ko) | 2000-03-25 |
CN1222890A (zh) | 1999-07-14 |
CN1124215C (zh) | 2003-10-15 |
JPH10291504A (ja) | 1998-11-04 |
JP3039777B2 (ja) | 2000-05-08 |
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