EP2138403B1 - Bag making/packing machine - Google Patents
Bag making/packing machine Download PDFInfo
- Publication number
- EP2138403B1 EP2138403B1 EP08739667.7A EP08739667A EP2138403B1 EP 2138403 B1 EP2138403 B1 EP 2138403B1 EP 08739667 A EP08739667 A EP 08739667A EP 2138403 B1 EP2138403 B1 EP 2138403B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- former
- members
- former unit
- packaging
- sliding
- 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.)
- Not-in-force
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Classifications
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- 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
- B65B59/00—Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
- B65B59/04—Machines constructed with readily-detachable units or assemblies, e.g. to facilitate maintenance
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- 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
- B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
- B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
- B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
- B65B9/22—Forming shoulders; Tube formers
Definitions
- the present invention relates to a bag making and packaging apparatus for packaging an article which is introduced while forming a packaging bag from a strip of packaging material, and pertains to the technical field of packaging machines.
- a bag making and packaging apparatus is used for enclosing an article such as potato chips or the like in a packaging bag, and for sealing the bag to produce a product.
- the bag making and packaging apparatus is configured to bend a strip of packaging material dispensed from a roll into a tubular shape by a former, and to introduce and package an article in the bent packaging material while the material is sealed in the vertical and horizontal directions and formed into a packaging bag.
- the former integrally comprises a shoulder part and a chute part.
- the shoulder part is configured to fold a strip of packaging material so that both side parts of the strip of packaging material are brought together and to bend the strip of packaging material into a tubular shape.
- the chute part is configured to introduce an article into the tubular packaging material whose bottom end part has been sealed.
- the size of the shoulder part, the dimensions of the chute part and the like must correspond to those of the bag to be produced. Therefore, the former need to be replaced whenever the product size changes. In such a case, replacing the former is a complicated task which requires time and labor, because the former has the integrated configuration having the shoulder part and the chute part, as described above and the former is heavy.
- Patent Document 1 discloses a supporting mechanism (support) comprising a first portion mounted on the former, and a second portion affixed to the main body of the bag making and packaging apparatus, as a supporting structure for a former (forming machine) in a bag making and packaging apparatus.
- the supporting mechanism is configured to allow the first portion to move in relation to the second portion.
- the former mounted on the first portion can thereby move from a first position, in which the packaging operation is performed, to a second position, which is readily accessed by an operator.
- a forming machine support 20 comprises a pair of support beams 22 extending from an enclosure (case) 17, a pair of guides 23 mounted on the beams 22, and a pair of rods 24 slidably supported on each of the guides 23.
- the rods 24 form the abovementioned first portion of the forming machine support 20, and the guides 23 form the abovementioned second portion of the support 20 (see paragraph 0030 and FIG. 2 ).
- the rods 24 can slide in the guides 23, which thereby causes a forming machine 14 to move from a first position to a horizontally displaced second position (see paragraph 0033).
- the forming machine 14 comprises a base 28, and a forming machine shoulder member 29.
- the base 28 is removably mounted on the leading end part of the rods 24 (see paragraphs 0031 and 0037).
- a forming machine support 47 comprises a pair of arms 42, a rotation assembly 44, and a rotation assembly 46.
- the pair of arms 42 extend horizontally from the enclosure 17.
- the rotation assembly 44 has the arm 42 and a vertical shaft extending through the base 28 of the forming machine 14.
- the rotation assembly 46 has a vertical shaft extending between the arm 42 and the enclosure 17.
- the rotation assembly 44 on the forming machine 14 forms a first portion 43 of the forming machine support 47, and the rotation assembly 46 on the enclosure 17 forms a second portion 45 of the forming machine support 47 (see paragraph 0042).
- a forming machine support 50 comprises a pair of arms 52.
- the pair of arms 52 is disposed so as to narrow the space between the pair of arms 52 toward a rotation assembly 53.
- the rotation assembly 53 allows the forming machine 14 to rotate around the vertical shaft 54 (see paragraph 0047).
- the first and second portions constituting the forming machine support 50 are not very clearly described for this embodiment; however, a comparison with the similarly constructed second embodiment suggests that the rotation assembly 53 corresponds to the second portion, and an end part of the arm 52 or the forming machine 14 corresponds to the first portion.
- the second portion is secured to the main body of the forming machine (exterior structure), and the forming machine is removably mounted on the first portion, which is capable of moving in relation to the second portion.
- the forming machine can be moved from the first position to the second position, and can also be detached from or attached to the support in the second position. Therefore, it can be expected to improve the workability of attaching and detaching the forming machine.
- the support structure of the former as disclosed in Patent Document 1 is configured so that the first portion constituting the support is pulled forward or turned laterally within the horizontal plane in relation to the second portion. Therefore, the movement of the former which is mounted on the first portion is also limited to the horizontal plane when it is moved from the first position to the second position. It is not necessarily satisfactory in terms of improving the workability of attaching and detaching the former.
- the present invention is characterized in being configured in the following manner.
- a bag making and packaging apparatus is a bag making and packaging apparatus which is configured and arranged to bend a strip of film and form a packaging bag.
- the bag making and packaging apparatus comprises a former and a supporting member.
- the former bends the strip of film into a tubular shape.
- the supporting member removably supports the former. Furthermore, the supporting member is configured to support the former for allowing to move from a first position, in which a packaging operation is performed, to a second position, which is lower than the first position.
- the supporting member comprises a sliding member and a rotational member.
- the sliding member slides horizontally, which allows the former to move horizontally.
- the rotational member rotates about a prescribed part as a fulcrum, and allows the former to move up and down.
- the supporting member is configured so that the sliding action of the sliding member and the rotation of the rotational member cause the former to move from the first position to the second position.
- the former is supported on the supporting member so as to be capable of moving from the first position, in which the packaging operation is performed, to the second position, which is lower than the first position; and the former is removably attached to the supporting member. Therefore, when the heavy former is replaced or other procedure is performed, the attaching or detaching operation can be performed at a comparatively low position, and the operation is improved in terms of workability.
- the supporting member comprises a sliding member and a rotational member, which allows the former to move in the horizontal and/or vertical directions.
- the former can be slid from the first position, in which the packaging operation is performed, and rotated at a pulled-forward position; or the former can be pulled forward with the rotated orientation.
- the second position in which the former is attached or detached, can be set at the front of the main body of the forming machine and at a comparatively low position, which thereby improves the workability of attaching or detaching the former compared to when the attaching or detaching the former is performed inside or inner part of the main body.
- a bag making and packaging apparatus 1 has a main body 2.
- the main body 2 has a support part 3 and a former unit 10.
- the support part 3 is provided above the rear part of the main body 2.
- the support part 3 supports a film roll a .
- the former unit 10 is arranged above the front part of the main body 2.
- the former unit 10 has a vertical seal device 4 and a horizontal seal device 5.
- the vertical seal device 4 is disposed in front of a lower part of the former unit 10.
- the horizontal seal device 5 is disposed underneath the former unit 10.
- the former unit 10 comprises a shoulder part 11 and a chute portion 12.
- the shoulder part 11 is configured to hold a strip of film b with guiding the strip of film b downward and to bring edge parts of either sides of the strip of film b together.
- the strip of film b is dispensed forward from the roll a on the support part 3.
- the edge parts brought together are welded together by the vertical seal device 4 to form a tubular shaped film.
- the tubular shaped film is then sealed in the width direction by the horizontal seal device 5 to form a bag c .
- the upper part of the chute part 12 of the former unit 10 is a substantially conical article-introducing part 12a
- the lower part of the chute part 12 is a cylindrical article-guiding part 12b inserted into the bag c formed by the shoulder part 11.
- An article introduced via an opening of the upper end of the article-introducing part 12a is guided downward by the article-guiding part 12b, and directed into the bag c .
- the horizontal seal device 5 then seals and cuts the bag c above the portion where the article was introduced. A finished product that the article is hermetically sealed in the bag c is thereby produced.
- the former unit 10 has a base plate 13, and left and right supporting pillars 14, 14.
- the left and right supporting pillars 14, 14 are provided vertically to the base plate 13.
- the base plate 13 and the supporting pillars 14, 14 support the shoulder part 11 and the chute part 12, so that all of these components are integrated into a single unit.
- the main body 2 has a substrate 6 attached between left and right frames 2a, 2a.
- the substrate 6 has a pair of left and right fixed members 7, 7 in a forward extending manner.
- the left and right fixed members 7, 7 have a shape of a vertical wall.
- the fixed members 7, 7 have rails 7a, 7a.
- the rails 7a, 7a are disposed on the upper surface of the fixed members 7, 7, and extend in the transverse direction.
- the fixed members 7, 7 have guide blocks 7b, 7b, respectively.
- the guide blocks 7b, 7b are attached to the lower surface of the front end part of the fixed members 7, 7.
- a pair of left and right sliding members 20, 20 and a rotational member 30 are provided.
- Each of the left and right sliding members 20, 20 is supported on the respective fixed member 7, 7 of the main body 2 so as to be capable of sliding forward and backward.
- a lower end part of the rotational member 30 pivots on front end parts of the sliding members 20, 20, and which allows the upper part of the rotational member 30 to rotate forward.
- the former unit 10 is removably attached to the rotational member 30.
- the left and the right of the sliding member 20, 20 have the same configuration.
- the sliding members 20, 20 comprise upper edge members 21, 21, front part members 22, 22, and guide rods 23, 23.
- the upper edge members 21, 21 extend in the transverse direction.
- the front part members 22, 22 extend downward.
- the upper end parts of the front part members 22, 22 are joined to the front end parts of the upper edge members 21, 21.
- the guide rods 23, 23 extend rearward.
- the front end parts of the guide rods 23, 23 are joined to the lower parts of the front part members 22, 22.
- the sliding members 20, 20 have the shape of a three-sided square when viewed from the side.
- the upper edge members 21, 21 have engaging members 24, 24.
- the engaging members 24, 24 are attached to lower surfaces of the rear end parts of the upper edge members 21, 21.
- the engaging members 24, 24 are engaged with the rails 7a, 7a on the upper surfaces of the fixed members 7, 7 so as to be capable of sliding forward and backward.
- the guide rods 23, 23 are inserted in through-holes 7b', 7b'.
- the through-holes 7b', 7b' are provided to the guide blocks 7b, 7b on the lower surfaces of the front end parts of the fixed members 7, 7.
- the left and right sliding members 20, 20 are supported on the left and right fixed members 7, 7, so as to be capable of sliding forward and backward between a rearward position shown in FIG. 2 and a forward position shown in FIG. 5 .
- the rotational member 30 comprises a platform 31 and a pair of left and right leg members 32, 32.
- the pair of left and right leg members 32, 32 extend downward from either end part of a lower surface of the platform 31.
- Lower end parts of the leg members 32, 32 are rotatably joined to lower parts of the front part members 22, 22 of the sliding members 20 via fulcrum pins 33, 33.
- the rotational member 30 can pivot forward about a lower end part of the rotational member 30, from the upright orientation shown in FIG. 2 to the forwardly inclined orientation shown in FIG. 6 .
- One leg member 32 of the rotational member 30 has a locking mechanism 34.
- the locking mechanism 34 is configured to keep the rotational member 30 in the upright orientation at the rearward position.
- a locking member 34a of the locking mechanism 34 is engaged with a locking pin 34b, which keeps the sliding members 20, 20 in the rearward position and keeps the rotational member 30 in the upright orientation.
- the locking pin 34b is provided to one fixed member 7 of the main body 2.
- the left and right leg members 32, 32 of the rotational member 30 have extension parts 32a, 32a.
- the extension parts 32a, 32a extend lower than the fulcrum pins 33, 33.
- the brackets 25, 25 are attached to the rear end parts of the guide rods 23, 23 on the sliding members 20, 20.
- the air cylinders 26, 26 control any abrupt rotation of the rotational member 30 through resistance due to contraction of piston rods 26a, 26a. And the air cylinders 26, 26 are configured to restrict the forward rotation of the rotational member 30 at a stroke end of the piston rods function with a prescribed forwardly inclined orientation.
- the base member 13 of the former unit 10 is disposed on the platform 31 of the rotational member 30.
- the platform 31 has left and right pressing members 35, 35 for securing the former unit 10.
- the pressing members 35, 35 press pressed members 15, 15 on the platform 31, which is configured that the entirety of the base plate 13 and the former unit 10 are secured on the platform 31.
- the pressed members 15, 15 are provided to the side parts of a lower surface of the base plate 13 of the former unit 10.
- One pressing member 35 is configured to detach from the pressed member 15 through the operation of a lever 36 so that the former unit 10 could be removed from the platform 31.
- the sliding members 20, 20 are positioned relatively rearward of the fixed members 7, 7 of the main body 2, as shown in FIG. 1 and 2 .
- the rotational member 30 is in the upright orientation, in which state the locking member 34a of the locking mechanism 34 is engaged with the locking pin 34b provided to one fixed member 7. Accordingly, the forward-sliding action of the sliding members 20, 20 and the forward rotation of the rotational member 30 are restricted, and the former unit 10 supported on the rotational member 30 is secured in an upright orientation in the rearward position in which the packaging operation is performed ("first position" in the claims).
- the packaging operation is performed as follows.
- the strip of film b dispensed from the roll a supported on the roll support part 3 is bent into a tubular shape using the shoulder 11 of the former unit 10, and the vertical seal device 4 and the horizontal seal device 5 are used to form a bag c .
- An article introduced into the chute part 12 is directed into the bag c .
- the horizontal seal device 5 then seals and cuts an upper portion of the bag c into which the article was introduced. The product that the article is hermetically sealed in the bag c is thereby produced.
- the lever 34c of the locking mechanism 34 is operated first.
- the sliding members 20, 20 are thereby released from the rearward position and the rotational member 30 are thereby released from the upright orientation.
- the sliding members 20, 20 slide forward along the rails 7a, 7a of the fixed members 7, 7.
- the rotational member 30 and the former unit 10 accordingly move forward to the forward position shown in FIG. 5 .
- the sliding to the forward position is regulated by the touching of the bracket 25 to the guide block 7b which is attached to the fixed member 7 on the main body 2.
- the bracket 25 is attached to the rear end of the guide rod 23 on the sliding member 20.
- the air cylinders 26, 26 regulate any abrupt rotation of the rotational member 30 to which the former unit 10 is attached, and the rotational member 30 and the former unit 10 are held in the prescribed forwardly inclined orientation.
- the air cylinders 26, 26 are mounted between the leg members 32, 32 of the rotational member 30 and the brackets 25, 25 on the sliding members 20, 20.
- the former unit 10 is slid to the forward position before being rotated to the forwardly inclined orientation.
- the former unit 10 can be slid after being rotated to the forwardly inclined orientation, and the former unit 10 further can be rotated with being slid.
- the sliding action of the sliding members 20, 20 and the rotation of the rotational member 30 allow the former unit 10 to move from the first position, in which the packaging operation is performed, to the second position, in which the former unit 10 is attached or detached, the second position being lower than the first position.
- a supporting member of the former unit is supported by a linear guiding mechanism such as a linear bearing, which allows the supporting member to move vertically relative to the member on the main body which corresponds to the fixed member 7 of the previous embodiment.
- the former unit is thereby configured to move from the first position to the second position, which is lower than the first position.
- a member for supporting the former unit is supported in a vertically moveable manner relative to a member corresponding to the sliding members 20, 20 of the previous embodiment.
- the member corresponding to the sliding members 20, 20 are supported slidably forward and backward on the fixed member 7.
- the former unit is thereby moved from a first position to a second position, which is further forward and lower than the first position.
- configurations such as a rack-and-pinion mechanism in which the pinion is rotated with a handle or a motor; a ball screw mechanism in which the screw shaft is rotated with a handle or motor; and a configuration in which a cylinder moves up-and-down are employed as means of moving the supporting member of the former unit up and down.
- the second position, in which the former unit is attached or detached is lower than the first position, in which the packaging operation is performed; which thereby improves the workability of attaching and detaching the forming machine.
- the bag making and packaging apparatus improves the workability of attaching or detaching the former unit, and is accordingly used advantageously in industrial fields in which packaging machines of this type are used.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Containers And Plastic Fillers For Packaging (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
Description
- The present invention relates to a bag making and packaging apparatus for packaging an article which is introduced while forming a packaging bag from a strip of packaging material, and pertains to the technical field of packaging machines.
- A bag making and packaging apparatus is used for enclosing an article such as potato chips or the like in a packaging bag, and for sealing the bag to produce a product. The bag making and packaging apparatus is configured to bend a strip of packaging material dispensed from a roll into a tubular shape by a former, and to introduce and package an article in the bent packaging material while the material is sealed in the vertical and horizontal directions and formed into a packaging bag.
- The former integrally comprises a shoulder part and a chute part. The shoulder part is configured to fold a strip of packaging material so that both side parts of the strip of packaging material are brought together and to bend the strip of packaging material into a tubular shape. The chute part is configured to introduce an article into the tubular packaging material whose bottom end part has been sealed. The size of the shoulder part, the dimensions of the chute part and the like must correspond to those of the bag to be produced. Therefore, the former need to be replaced whenever the product size changes. In such a case, replacing the former is a complicated task which requires time and labor, because the former has the integrated configuration having the shoulder part and the chute part, as described above and the former is heavy.
- In order to address this problem,
Patent Document 1 discloses a supporting mechanism (support) comprising a first portion mounted on the former, and a second portion affixed to the main body of the bag making and packaging apparatus, as a supporting structure for a former (forming machine) in a bag making and packaging apparatus. The supporting mechanism is configured to allow the first portion to move in relation to the second portion. The former mounted on the first portion can thereby move from a first position, in which the packaging operation is performed, to a second position, which is readily accessed by an operator. With this configuration, in attaching or detaching the former, it is expected that moving the former to the second position, where it is readily accessed by an operator, improves the workability of attaching or detaching. - The supporting structure of the former described in
Patent Document 1 will now be described in more detail. In a first embodiment shown inFIGS. 1 to 4 ofPatent Document 1, a formingmachine support 20 comprises a pair ofsupport beams 22 extending from an enclosure (case) 17, a pair ofguides 23 mounted on thebeams 22, and a pair ofrods 24 slidably supported on each of theguides 23. Therods 24 form the abovementioned first portion of the formingmachine support 20, and theguides 23 form the abovementioned second portion of the support 20 (see paragraph 0030 andFIG. 2 ). - The
rods 24 can slide in theguides 23, which thereby causes a formingmachine 14 to move from a first position to a horizontally displaced second position (see paragraph 0033). The formingmachine 14 comprises a base 28, and a forming machine shoulder member 29. The base 28 is removably mounted on the leading end part of the rods 24 (see paragraphs 0031 and 0037). - In a second embodiment shown in
FIGS. 5 and6 , a forming machine support 47 comprises a pair of arms 42, a rotation assembly 44, and a rotation assembly 46. The pair of arms 42 extend horizontally from the enclosure 17. The rotation assembly 44 has the arm 42 and a vertical shaft extending through the base 28 of the formingmachine 14. The rotation assembly 46 has a vertical shaft extending between the arm 42 and the enclosure 17. The rotation assembly 44 on the formingmachine 14 forms a first portion 43 of the forming machine support 47, and the rotation assembly 46 on the enclosure 17 forms a second portion 45 of the forming machine support 47 (see paragraph 0042). - In a third embodiment shown in
FIG. 7 , a forming machine support 50 comprises a pair of arms 52. The pair of arms 52 is disposed so as to narrow the space between the pair of arms 52 toward a rotation assembly 53. The rotation assembly 53 allows the formingmachine 14 to rotate around the vertical shaft 54 (see paragraph 0047). The first and second portions constituting the forming machine support 50 are not very clearly described for this embodiment; however, a comparison with the similarly constructed second embodiment suggests that the rotation assembly 53 corresponds to the second portion, and an end part of the arm 52 or the formingmachine 14 corresponds to the first portion. - In all of these embodiments, the second portion is secured to the main body of the forming machine (exterior structure), and the forming machine is removably mounted on the first portion, which is capable of moving in relation to the second portion. As a result, the forming machine can be moved from the first position to the second position, and can also be detached from or attached to the support in the second position. Therefore, it can be expected to improve the workability of attaching and detaching the forming machine.
- Patent Document 1:
JP-A 2005-41576 - However, the support structure of the former as disclosed in
Patent Document 1 is configured so that the first portion constituting the support is pulled forward or turned laterally within the horizontal plane in relation to the second portion. Therefore, the movement of the former which is mounted on the first portion is also limited to the horizontal plane when it is moved from the first position to the second position. It is not necessarily satisfactory in terms of improving the workability of attaching and detaching the former. - In this type of bag making and packaging apparatus, components such as a horizontal seal device for sealing the tubular packaging material in the width direction are disposed below the former. The former is thereby attached in a comparatively high position. Therefore, in the structure described in
Patent Document 1, even if the operator moves the former to the second position for readily access, he/she needs to handle a heavy object in a high position for attaching or detaching the former, which is just a little improvements in terms of workability. - It is an object of the present invention to further improve the workability of attaching and detaching the former in this type of a bag making and packaging apparatus.
- In order to solve the abovementioned problem, the present invention is characterized in being configured in the following manner.
- A bag making and packaging apparatus according to the present invention is a bag making and packaging apparatus which is configured and arranged to bend a strip of film and form a packaging bag. The bag making and packaging apparatus comprises a former and a supporting member. The former bends the strip of film into a tubular shape. The supporting member removably supports the former. Furthermore, the supporting member is configured to support the former for allowing to move from a first position, in which a packaging operation is performed, to a second position, which is lower than the first position.
- Preferably, the supporting member comprises a sliding member and a rotational member. The sliding member slides horizontally, which allows the former to move horizontally. The rotational member rotates about a prescribed part as a fulcrum, and allows the former to move up and down. The supporting member is configured so that the sliding action of the sliding member and the rotation of the rotational member cause the former to move from the first position to the second position.
- As a result of the abovedescribed configuration, according to the present invention, the former is supported on the supporting member so as to be capable of moving from the first position, in which the packaging operation is performed, to the second position, which is lower than the first position; and the former is removably attached to the supporting member. Therefore, when the heavy former is replaced or other procedure is performed, the attaching or detaching operation can be performed at a comparatively low position, and the operation is improved in terms of workability.
- The supporting member comprises a sliding member and a rotational member, which allows the former to move in the horizontal and/or vertical directions. For example, the former can be slid from the first position, in which the packaging operation is performed, and rotated at a pulled-forward position; or the former can be pulled forward with the rotated orientation. Accordingly, the second position, in which the former is attached or detached, can be set at the front of the main body of the forming machine and at a comparatively low position, which thereby improves the workability of attaching or detaching the former compared to when the attaching or detaching the former is performed inside or inner part of the main body.
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FIG. 1 is a side view of the entirety of a bag making and packaging apparatus according to an embodiment of the present invention; -
FIG. 2 is an enlarged side view of a main part of the form/fill/seal machine shown inFIG. 1 ; -
FIG. 3 is a front view of the part shown inFIG. 2 ; -
FIG. 4 is a cross-sectional view along line I-I inFIG. 2 ; -
FIG. 5 is a side view of a main part of the invention, showing a state in which the former unit has been pulled forward; -
FIG. 6 is a side view of a main part of the invention, showing a state in which the former unit has also been rotated forward; and -
FIG. 7 is a side view of a main part of the invention, showing a state in which the former unit has been removed. -
- 1 BAG MAKING AND PACKAGING APPARATUS
- 2 MAIN BODY
- 10 FORMER UNIT
- 20 SLIDING MEMBER (SUPPORTING MEMBER)
- 30 ROTATIONAL MEMBER (SUPPORTING MEMBER)
- A preferred embodiment of the present invention is described below.
- As shown in
FIG. 1 , a bag making andpackaging apparatus 1 according to the present embodiment has amain body 2. Themain body 2 has asupport part 3 and aformer unit 10. Thesupport part 3 is provided above the rear part of themain body 2. Thesupport part 3 supports a film roll a. Theformer unit 10 is arranged above the front part of themain body 2. Theformer unit 10 has avertical seal device 4 and ahorizontal seal device 5. Thevertical seal device 4 is disposed in front of a lower part of theformer unit 10. Thehorizontal seal device 5 is disposed underneath theformer unit 10. - The
former unit 10 comprises ashoulder part 11 and achute portion 12. Theshoulder part 11 is configured to hold a strip of film b with guiding the strip of film b downward and to bring edge parts of either sides of the strip of film b together. The strip of film b is dispensed forward from the roll a on thesupport part 3. The edge parts brought together are welded together by thevertical seal device 4 to form a tubular shaped film. The tubular shaped film is then sealed in the width direction by thehorizontal seal device 5 to form a bag c. - As shown enlarged in
FIGS. 2 and3 , the upper part of thechute part 12 of theformer unit 10 is a substantially conical article-introducingpart 12a, and the lower part of thechute part 12 is a cylindrical article-guidingpart 12b inserted into the bag c formed by theshoulder part 11. An article introduced via an opening of the upper end of the article-introducingpart 12a is guided downward by the article-guidingpart 12b, and directed into the bag c. Thehorizontal seal device 5 then seals and cuts the bag c above the portion where the article was introduced. A finished product that the article is hermetically sealed in the bag c is thereby produced. - The
former unit 10 has abase plate 13, and left and right supportingpillars pillars base plate 13. Thebase plate 13 and the supportingpillars shoulder part 11 and thechute part 12, so that all of these components are integrated into a single unit. - The structure for supporting the
former unit 10 on themain body 2 will now be described. - As shown in
FIGS. 2 to 4 , themain body 2 has asubstrate 6 attached between left andright frames substrate 6 has a pair of left and rightfixed members fixed members members rails rails members members guide blocks members - As supporting members for supporting the
former unit 10, a pair of left and right slidingmembers rotational member 30 are provided. Each of the left and right slidingmembers member main body 2 so as to be capable of sliding forward and backward. A lower end part of therotational member 30 pivots on front end parts of the slidingmembers rotational member 30 to rotate forward. Theformer unit 10 is removably attached to therotational member 30. - The left and the right of the sliding
member members upper edge members front part members rods upper edge members front part members front part members upper edge members guide rods guide rods front part members members - The
upper edge members members members upper edge members members rails members guide rods holes 7b', 7b'. The through-holes 7b', 7b' are provided to theguide blocks members members fixed members FIG. 2 and a forward position shown inFIG. 5 . - The
rotational member 30 comprises aplatform 31 and a pair of left andright leg members right leg members platform 31. Lower end parts of theleg members front part members members 20 via fulcrum pins 33, 33. As a result, therotational member 30 can pivot forward about a lower end part of therotational member 30, from the upright orientation shown inFIG. 2 to the forwardly inclined orientation shown inFIG. 6 . - One
leg member 32 of therotational member 30 has alocking mechanism 34. Thelocking mechanism 34 is configured to keep therotational member 30 in the upright orientation at the rearward position. A lockingmember 34a of thelocking mechanism 34 is engaged with alocking pin 34b, which keeps the slidingmembers rotational member 30 in the upright orientation. Thelocking pin 34b is provided to one fixedmember 7 of themain body 2. When alever 34c of thelocking mechanism 34 is operated and the lockingmember 34a is disengaged from the lockingpin 34b, the slidingmembers rotational member 30 can be rotated to be in the forwardly inclined orientation. - The left and
right leg members rotational member 30 haveextension parts extension parts extension parts brackets air cylinders brackets guide rods members - When the
rotational member 30 rotates forward from the upright orientation shown inFIG. 2 , theair cylinders rotational member 30 through resistance due to contraction ofpiston rods air cylinders rotational member 30 at a stroke end of the piston rods function with a prescribed forwardly inclined orientation. - The
base member 13 of theformer unit 10 is disposed on theplatform 31 of therotational member 30. Theplatform 31 has left and right pressingmembers former unit 10. Thepressing members members platform 31, which is configured that the entirety of thebase plate 13 and theformer unit 10 are secured on theplatform 31. The pressedmembers base plate 13 of theformer unit 10. - One pressing
member 35 is configured to detach from the pressedmember 15 through the operation of alever 36 so that theformer unit 10 could be removed from theplatform 31. - Next, the function of attaching of detaching the
former unit 10 will be described. - During an ordinary packaging operation, the sliding
members members main body 2, as shown inFIG. 1 and2 . Therotational member 30 is in the upright orientation, in which state the lockingmember 34a of thelocking mechanism 34 is engaged with thelocking pin 34b provided to one fixedmember 7. Accordingly, the forward-sliding action of the slidingmembers rotational member 30 are restricted, and theformer unit 10 supported on therotational member 30 is secured in an upright orientation in the rearward position in which the packaging operation is performed ("first position" in the claims). - In this state, the packaging operation is performed as follows. The strip of film b dispensed from the roll a supported on the
roll support part 3 is bent into a tubular shape using theshoulder 11 of theformer unit 10, and thevertical seal device 4 and thehorizontal seal device 5 are used to form a bag c. An article introduced into thechute part 12 is directed into the bag c. Thehorizontal seal device 5 then seals and cuts an upper portion of the bag c into which the article was introduced. The product that the article is hermetically sealed in the bag c is thereby produced. - In a case where the
former unit 10 is removed from themain body 2 of the bag making andpackaging apparatus 1 for replacement, cleaning, inspection, or the like, thelever 34c of thelocking mechanism 34 is operated first. The slidingmembers rotational member 30 are thereby released from the upright orientation. - Next, if the
former unit 10 is pulled forward using the supportingpillars former unit 10 as handles, the slidingmembers rails members rotational member 30 and theformer unit 10 accordingly move forward to the forward position shown inFIG. 5 . In this case, the sliding to the forward position is regulated by the touching of thebracket 25 to theguide block 7b which is attached to the fixedmember 7 on themain body 2. Thebracket 25 is attached to the rear end of theguide rod 23 on the slidingmember 20. - In this forward position, if the supporting
pillars former unit 10 are grasped and the upper part of theformer unit 10 is rotated forward, therotational member 30 will rotate forward about the fulcrum pins 33, 33 in the lower parts of theleg members rotational member 30 and theformer unit 10 are hold in a forwardly inclined orientation, as shown inFIG. 6 ("second position" in the claims), and theformer unit 10 is positioned lower as a whole than theformer unit 10 shown inFIG. 5 . - When the
rotational member 30 rotates forward, theair cylinders rotational member 30 to which theformer unit 10 is attached, and therotational member 30 and theformer unit 10 are held in the prescribed forwardly inclined orientation. Theair cylinders leg members rotational member 30 and thebrackets members - If, in the forwardly inclined orientation, one of the left and right pressing
members former unit 10 onto theplatform 31 of therotational member 30 is retracted by the operation of thelever 36 to disengage thepressing members members base plate 13 of theformer unit 10, theformer unit 10 can be removed from theplatform 31 of therotational member 30. - In this case, as shown in
FIGS. 6 and7 , the sliding action of the slidingmembers rotational member 30 toward the forwardly inclined orientation cause the upper part of theformer unit 10 to which the supportingpillars former unit 10 is projected forward over afront surface 2b of themain body 2. Therefore, the operation of removing the heavyformer unit 10 can be performed at a comparatively low position, at the front of themain body 2, without entering inside or inner part of themain body 2. The same can be said for attaching theformer unit 10 after replacing, cleaning, inspecting, or the like. That will improve the workability of attaching and detaching theformer unit 10. - In the above description, the
former unit 10 is slid to the forward position before being rotated to the forwardly inclined orientation. However, theformer unit 10 can be slid after being rotated to the forwardly inclined orientation, and theformer unit 10 further can be rotated with being slid. - Other embodiments of the present invention will now be described.
- According to the previous embodiment, the sliding action of the sliding
members rotational member 30 allow theformer unit 10 to move from the first position, in which the packaging operation is performed, to the second position, in which theformer unit 10 is attached or detached, the second position being lower than the first position. However, according to another embodiment, a supporting member of the former unit is supported by a linear guiding mechanism such as a linear bearing, which allows the supporting member to move vertically relative to the member on the main body which corresponds to the fixedmember 7 of the previous embodiment. The former unit is thereby configured to move from the first position to the second position, which is lower than the first position. - In other embodiment, a member for supporting the former unit is supported in a vertically moveable manner relative to a member corresponding to the sliding
members members member 7. The former unit is thereby moved from a first position to a second position, which is further forward and lower than the first position. - In the above embodiments, configurations such as a rack-and-pinion mechanism in which the pinion is rotated with a handle or a motor; a ball screw mechanism in which the screw shaft is rotated with a handle or motor; and a configuration in which a cylinder moves up-and-down are employed as means of moving the supporting member of the former unit up and down.
- As shown in the above description, according to any of these other embodiments, the second position, in which the former unit is attached or detached, is lower than the first position, in which the packaging operation is performed; which thereby improves the workability of attaching and detaching the forming machine.
- As has been described in the foregoing, the bag making and packaging apparatus according to the present invention improves the workability of attaching or detaching the former unit, and is accordingly used advantageously in industrial fields in which packaging machines of this type are used.
Claims (1)
- A bag making and packaging apparatus (1) which is configured and arranged to bend a strip of film and to form a packaging bag,
the bag making and packaging apparatus comprising:a former (10) which is configured and arranged to bend the strip of film into a tubular shape; anda supporting member (20, 30) which is configured and arranged to support the former (10) removably; the supporting member (20, 30) being configured andarranged to support the former (10) so as to allow movement from a first position, in which a packaging operation is performed, to a second position, which is lower than the first position,characterized in that the supporting member (20, 30) includes
a sliding member (20) that slides horizontally and allows the former (10) to move horizontally; and
a rotational member (30) that rotates about a prescribed part as a fulcrum and allows the former (10) to move up and down; andthe former (10) is configured or arranged to move from the first position to the second position by the sliding action of the sliding member (20) and the rotation of the rotational member (30).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007100354A JP5000362B2 (en) | 2007-04-06 | 2007-04-06 | Bag making and packaging machine |
PCT/JP2008/056556 WO2008126736A1 (en) | 2007-04-06 | 2008-04-02 | Bag making/packing machine |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2138403A1 EP2138403A1 (en) | 2009-12-30 |
EP2138403A4 EP2138403A4 (en) | 2012-03-07 |
EP2138403B1 true EP2138403B1 (en) | 2013-07-24 |
Family
ID=39863839
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08739667.7A Not-in-force EP2138403B1 (en) | 2007-04-06 | 2008-04-02 | Bag making/packing machine |
Country Status (5)
Country | Link |
---|---|
US (1) | US20100037568A1 (en) |
EP (1) | EP2138403B1 (en) |
JP (1) | JP5000362B2 (en) |
AU (1) | AU2008239183C1 (en) |
WO (1) | WO2008126736A1 (en) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5133777B2 (en) * | 2008-05-23 | 2013-01-30 | 株式会社イシダ | Packaging machine |
DE102012004852A1 (en) * | 2011-03-17 | 2012-09-20 | Tna Australia Pty Ltd. | Former for a packaging machine |
EP2776239B1 (en) | 2011-11-10 | 2016-09-21 | Packsize LLC | Elevated converting machine with outfeed guide |
JP2013230842A (en) * | 2012-04-27 | 2013-11-14 | Ishida Co Ltd | Bag-making and packaging machine |
ITMI20130406A1 (en) * | 2013-03-18 | 2014-09-19 | Sitma Machinery S P A | BENDING UNIT OF A CONTINUOUS SHEET IN PACKAGING MATERIAL, IN PARTICULAR PAPER, APPLICABLE TO AUTOMATIC PACKAGING MACHINES AND AUTOMATIC PACKAGING MACHINE INCLUDING SUCH A BENDING UNIT |
ES1135355Y (en) * | 2014-12-18 | 2015-04-13 | Ulma Packaging Technological Ct S Coop | Vertical packing machine |
US10093438B2 (en) | 2014-12-29 | 2018-10-09 | Packsize Llc | Converting machine |
JP6574330B2 (en) * | 2015-03-19 | 2019-09-11 | 株式会社イシダ | Bag making and packaging machine |
US10850469B2 (en) | 2016-06-16 | 2020-12-01 | Packsize Llc | Box forming machine |
ES2848561T3 (en) | 2016-06-16 | 2021-08-10 | Packsize Llc | A box template production procedure and system |
JPWO2018051721A1 (en) * | 2016-09-16 | 2019-06-27 | 株式会社イシダ | Measuring and packaging equipment |
US11242214B2 (en) | 2017-01-18 | 2022-02-08 | Packsize Llc | Converting machine with fold sensing mechanism |
SE541921C2 (en) | 2017-03-06 | 2020-01-07 | Packsize Llc | A box erecting method and system |
US10604283B2 (en) * | 2017-05-26 | 2020-03-31 | Frito-Lay North America, Inc. | Former assembly with improved center of gravity |
SE540672C2 (en) | 2017-06-08 | 2018-10-09 | Packsize Llc | Tool head positioning mechanism for a converting machine, and method for positioning a plurality of tool heads in a converting machine |
JP6970426B2 (en) * | 2017-09-29 | 2021-11-24 | 株式会社川島製作所 | Mounting structure of cylinder making unit in bag making filling and packaging machine |
US11173685B2 (en) | 2017-12-18 | 2021-11-16 | Packsize Llc | Method for erecting boxes |
US11305903B2 (en) | 2018-04-05 | 2022-04-19 | Avercon BVBA | Box template folding process and mechanisms |
US11247427B2 (en) | 2018-04-05 | 2022-02-15 | Avercon BVBA | Packaging machine infeed, separation, and creasing mechanisms |
WO2019246344A1 (en) | 2018-06-21 | 2019-12-26 | Packsize Llc | Packaging machine and systems |
SE543046C2 (en) | 2018-09-05 | 2020-09-29 | Packsize Llc | A box erecting method and system |
US11524474B2 (en) | 2018-11-30 | 2022-12-13 | Packsize Llc | Adjustable cutting and creasing heads for creating angled cuts and creases |
US11752725B2 (en) | 2019-01-07 | 2023-09-12 | Packsize Llc | Box erecting machine |
US11701854B2 (en) | 2019-03-14 | 2023-07-18 | Packsize Llc | Packaging machine and systems |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3139589B2 (en) * | 1993-02-15 | 2001-03-05 | 株式会社イシダ | Vertical sealing mechanism in bag making and packaging machine |
US5463850A (en) * | 1993-02-15 | 1995-11-07 | Ishida Co., Ltd. | Longitudinal sealer for packaging machine |
US6038839A (en) * | 1998-11-06 | 2000-03-21 | Triangle Package Machinery Company | Longitudinal seam sealer for polyethylene material |
AU2003903509A0 (en) * | 2003-07-08 | 2003-07-24 | Tna Australia Pty Limited | A packaging machine former support |
-
2007
- 2007-04-06 JP JP2007100354A patent/JP5000362B2/en not_active Expired - Fee Related
-
2008
- 2008-04-02 AU AU2008239183A patent/AU2008239183C1/en not_active Ceased
- 2008-04-02 WO PCT/JP2008/056556 patent/WO2008126736A1/en active Application Filing
- 2008-04-02 EP EP08739667.7A patent/EP2138403B1/en not_active Not-in-force
- 2008-04-02 US US12/527,108 patent/US20100037568A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP2138403A4 (en) | 2012-03-07 |
WO2008126736A1 (en) | 2008-10-23 |
AU2008239183B2 (en) | 2013-01-10 |
JP2008254789A (en) | 2008-10-23 |
US20100037568A1 (en) | 2010-02-18 |
AU2008239183A1 (en) | 2008-10-23 |
AU2008239183C1 (en) | 2013-05-30 |
EP2138403A1 (en) | 2009-12-30 |
JP5000362B2 (en) | 2012-08-15 |
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