EP3006355A1 - Mobile container lifter and locator stop-block - Google Patents
Mobile container lifter and locator stop-block Download PDFInfo
- Publication number
- EP3006355A1 EP3006355A1 EP14425130.3A EP14425130A EP3006355A1 EP 3006355 A1 EP3006355 A1 EP 3006355A1 EP 14425130 A EP14425130 A EP 14425130A EP 3006355 A1 EP3006355 A1 EP 3006355A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- containers
- container
- stop block
- die
- lower die
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn
Links
Images
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
- B65B7/00—Closing containers or receptacles after filling
- B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
- B65B7/162—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by feeding web material to securing means
- B65B7/164—Securing by heat-sealing
-
- 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
- B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
- B65B43/42—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
- B65B43/48—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using reciprocating or oscillating pushers
-
- 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
- B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
- B65B43/42—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
- B65B43/52—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using roller-ways or endless conveyors
-
- 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
- B65B7/00—Closing containers or receptacles after filling
- B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
- B65B7/28—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers
- B65B7/2842—Securing closures on containers
- B65B7/2878—Securing closures on containers by heat-sealing
-
- 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
- B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
- B65B31/02—Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas
- B65B31/025—Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas specially adapted for rigid or semi-rigid containers
- B65B31/028—Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas specially adapted for rigid or semi-rigid containers closed by a lid sealed to the upper rim of the container, e.g. tray-like container
Definitions
- the industrial/production environment at which this idea is aimed is the one where machinery and equipment is utilised in the foodstuff, chemical, pharmaceutical and non-pharmaceutical sectors to hermetically seal product-containing containers without any risk of contamination in order to isolate the product against potentially polluting environments by the application of a lid (either a film made from various materials or a preformed lid).
- the above sealing operation involves the use of machines and equipment consisting of a unit hereinafter referred to as the heat sealer, and another unit hereinafter referred to as the die.
- the container/s previously filled with the product to be protected is/are positioned between two sections of a die and placed into a special cavity formed in the die itself and is/are sealed by the heat sealer on which the die is mounted, by the application of a lid that is heat sealed onto the container along a well defined line on the top edge of the container itself (heat seal area) by applying heat and pressure for a specific period of time so as to fuse together the respective materials of container and lid.
- the described sealing operation occurs by means of machines and equipment essentially consisting of various electromechanical units with different functions, such as the container locating unit that positions the product-filled container correctly in the heat sealing area, or the heat sealing unit, which consists of various synchronised moving parts designed to apply sufficient force to seal the containers, and of the film feeder unit.
- Figure 1 shows the situation in which the containers (3) are moving, sliding over the lower die section (1) due to the positioning force exerted (4), and the resting blocks (2) which, together with the lower die section (1), constitute a base on which the containers are able to slide.
- the dynamic friction force is not sufficient to slow down the movement of the containers since it is totally overcome by the positioning force (4)
- This stage begins with the raising of the lower die section and the containers (3) resting on the stop block (2), which is a fixed component that is stationary in relation to the lower die section (1).
- Figure 4 shows the container's holding position in the lower die section: 1 die, 2 stop block and 3 container centred in the die recess. At this point the operation to locate the container in the lower die section is complete.
- This heat sealer uses positioning belts and a mobile stop block that can be adjusted to various positions.
- the stop block (2) is on the same level as the rest of the lower die section, creating a perfect sliding plane.
- the stop block (2) When the containers (3) are approaching the final position, the stop block (2) is positioned in such a way to be slightly lower than the lower die section (1) so that the containers can drop into the lower die section (1) and the movement of the containers is totally stopped by the mechanical block created by the relative movement between the lower die section (1) and the stop block (2).
- the starting condition coincides with that shown in Figure 1 , in which it can be seen that the containers are advancing and the stop block (2) is level with the lower die section (1): the containers can slide unhindered along the lower die section, pushed along by the positioning thrust force (4).
- Figure 5 illustrates how the stop block (2) is positioned inside the lower die section (2) creating a step that acts as a locating stop for the containers.
- Figure 6 shows how the containers (3) come to rest inside the lower die section (1) and then stop, as shown in Figure 7 .
- stop block (2) has to move by dropping down into the lower die section (2) thus enabling the containers to reach the final heat sealing position, as shown in Figure 4 .
- Figure 8 shows the container's holding position within the lower die section.
- the container is fully seated in the lower die section (1) and the stop block (2) is fully lowered in the lower die section during the heat sealing phase.
- Figures 9 and 10 show the container release phase after completing the heat sealing phase.
- Figure 9 shows the stop block (2) returning to its initial position at the same level as the lower die section (1) to allow, as shown in figure 10 , the application of the thrusting force needed to eject the containers.
- the stop block in the raised position facilitates the free passage and movement of the containers.
- Figure 10 shows the end of cycle with the containers being ejected from the die
- the relative movement between the stop block and the rest of the die allows for faster movement of the containers in and out of the die, thus improving the unit's productivity.
Abstract
A sealing operation that involves the use of machines consisting of an heat sealer and a die. Previously filled containers (3) are slideably positionned between two sections of a die and are resting on a stop block (2). When the containers (3) approach and almost reach the final position, the stop block (2) is postioned in such a way to be slightly lower than the lower die section (1) so that the containers can drop into the lower die section (1) and the movement of the container is totally stopped by the mechanical movement between the lower section (1) and the stop block (2). The containers (3) are then placed into a cavity of the die itself and are sealed by the heat sealer.
Description
- The industrial/production environment at which this idea is aimed is the one where machinery and equipment is utilised in the foodstuff, chemical, pharmaceutical and non-pharmaceutical sectors to hermetically seal product-containing containers without any risk of contamination in order to isolate the product against potentially polluting environments by the application of a lid (either a film made from various materials or a preformed lid).
- The above sealing operation involves the use of machines and equipment consisting of a unit hereinafter referred to as the heat sealer, and another unit hereinafter referred to as the die.
- Simplifying the description we can say that the container/s previously filled with the product to be protected, is/are positioned between two sections of a die and placed into a special cavity formed in the die itself and is/are sealed by the heat sealer on which the die is mounted, by the application of a lid that is heat sealed onto the container along a well defined line on the top edge of the container itself (heat seal area) by applying heat and pressure for a specific period of time so as to fuse together the respective materials of container and lid.
- The described sealing operation occurs by means of machines and equipment essentially consisting of various electromechanical units with different functions, such as the container locating unit that positions the product-filled container correctly in the heat sealing area, or the heat sealing unit, which consists of various synchronised moving parts designed to apply sufficient force to seal the containers, and of the film feeder unit.
- Most heat sealers work by moving the containers along the line in an intermittent motion. The containers are positioned in the die, then they stop, following this intermittent motion principle. The stop position is obtained by eliminating the force that keeps the containers in motion. In the classical type of die there is no specific component that halts the advancing of containers, which are positioned by specially-designed thrusters or by other components such as chains or belts.
- The diagrams below show the classical container motion principle (3) whereby the containers are positioned in the lower die section.
-
Figure 1 shows the situation in which the containers (3) are moving, sliding over the lower die section (1) due to the positioning force exerted (4), and the resting blocks (2) which, together with the lower die section (1), constitute a base on which the containers are able to slide. - The dynamic friction force is not sufficient to slow down the movement of the containers since it is totally overcome by the positioning force (4)
- In
Figure 2 , no positioning force (4) is being applied and consequently the containers (3) are only subject to the forces of friction (5) and inertia (6). When the friction (5) force totally eliminates the inertia (6), the containers (3) will stop moving at the pre-established point, as shown inFigure 3 . - At this point the next stage of the production cycle begins, in other words the closure of the two die sections in order to seal the containers.
- This stage begins with the raising of the lower die section and the containers (3) resting on the stop block (2), which is a fixed component that is stationary in relation to the lower die section (1).
-
Figure 4 shows the container's holding position in the lower die section: 1 die, 2 stop block and 3 container centred in the die recess. At this point the operation to locate the container in the lower die section is complete. - With this invention a system has been implemented to accurately stop the container in the lower die section by opposing the inertia that the container has gained while approaching the die.
- This heat sealer uses positioning belts and a mobile stop block that can be adjusted to various positions.
- As the containers approach and almost reach the final position, the stop block (2) is on the same level as the rest of the lower die section, creating a perfect sliding plane.
- When the containers (3) are approaching the final position, the stop block (2) is positioned in such a way to be slightly lower than the lower die section (1) so that the containers can drop into the lower die section (1) and the movement of the containers is totally stopped by the mechanical block created by the relative movement between the lower die section (1) and the stop block (2).
- By making use of mechanical contrast to slow down the advancing of the container rather than simply eliminating the force that was keeping the container in motion, it means that a braking force is obtained which blocks the container into a precise and univocal position each time. The container can therefore advance at a very fast pace since fiction force is not required to stop the container.
- The starting condition coincides with that shown in
Figure 1 , in which it can be seen that the containers are advancing and the stop block (2) is level with the lower die section (1): the containers can slide unhindered along the lower die section, pushed along by the positioning thrust force (4). -
Figure 5 illustrates how the stop block (2) is positioned inside the lower die section (2) creating a step that acts as a locating stop for the containers. 1 lower die section, 2 stop block in lowered position, 3 container approaching, 4 positioning thrust force -
Figure 6 shows how the containers (3) come to rest inside the lower die section (1) and then stop, as shown inFigure 7 . - 1 die mould, 2 stop block, 3 container dropping into the die mould, 4 positioning thrust force.
-
Figure 7 illustrates the positioning phase - At this stage the stop block (2) has to move by dropping down into the lower die section (2) thus enabling the containers to reach the final heat sealing position, as shown in
Figure 4 . -
Figure 8 shows the container's holding position within the lower die section. The container is fully seated in the lower die section (1) and the stop block (2) is fully lowered in the lower die section during the heat sealing phase. -
Figures 9 and10 show the container release phase after completing the heat sealing phase. -
Figure 9 shows the stop block (2) returning to its initial position at the same level as the lower die section (1) to allow, as shown infigure 10 , the application of the thrusting force needed to eject the containers. The stop block in the raised position facilitates the free passage and movement of the containers. -
Figure 10 shows the end of cycle with the containers being ejected from the die - The exiting containers moving unhindered.
- What is required at this stage is that the component that previously acted as a stop to properly position the containers must now be in a different position in order to allow the containers to be ejected from the die.
- The container locked in the lower die section by means of this adjustable block or by means of locating lugs that move in the same manner in order to ensure that the incoming containers are properly positioned in the die and can then easily slide out of it after completion of the sealing process.
- The relative movement between the stop block and the rest of the die allows for faster movement of the containers in and out of the die, thus improving the unit's productivity.
Claims (3)
- A system that accurately stops the container within the lower die section, opposing the inertia that the container has gained during its travel towards the die.
- With reference to claim 1, a heat sealer that uses positioning belts and a mobile stop block that is adjustable to various positions. During the advancement phase and almost to the point of reaching the final position, the stop block (2) is on the same line as the rest of the die, creating a perfectly level sliding plane.
- With reference to claim 1, in proximity of the final position the stop block is positioned so that it is lower than the die (1) such that the containers fall into the lower die section (1) and the movement of the containers is totally cancelled out by the mechanical block that has been created by this relative motion between the lower die section (1) and the stop block (2). By the use of a mechanical block opposing the advancement of the container and not simply the elimination of the force that kept the container in motion, a braking force is achieved that blocks the containers in a specific and precise position every time.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14425130.3A EP3006355A1 (en) | 2014-10-09 | 2014-10-09 | Mobile container lifter and locator stop-block |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14425130.3A EP3006355A1 (en) | 2014-10-09 | 2014-10-09 | Mobile container lifter and locator stop-block |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3006355A1 true EP3006355A1 (en) | 2016-04-13 |
Family
ID=52103100
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14425130.3A Withdrawn EP3006355A1 (en) | 2014-10-09 | 2014-10-09 | Mobile container lifter and locator stop-block |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP3006355A1 (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1338451A (en) * | 1962-08-02 | 1963-09-27 | Ekco Containers | Container sealing machine |
US20040098947A1 (en) * | 2002-10-17 | 2004-05-27 | Kazuo Konishi | Sealing and packaging device for cover film on tray |
-
2014
- 2014-10-09 EP EP14425130.3A patent/EP3006355A1/en not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1338451A (en) * | 1962-08-02 | 1963-09-27 | Ekco Containers | Container sealing machine |
US20040098947A1 (en) * | 2002-10-17 | 2004-05-27 | Kazuo Konishi | Sealing and packaging device for cover film on tray |
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Effective date: 20161014 |