JPH065160Y2 - Buffer envelope bag making machine - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a bag making machine for automatically making a bag of a cushioning envelope containing a cushioning material.

[Conventional technology]

In the outer envelope part made of heat-fusible outer paper, as a buffer envelope in which the inner envelope part made of the heat-fusible buffer material is installed, various things are known, and these buffer envelopes are
Bags are made by various procedures.

[Problems to be solved by the invention]

However, when the conventional bag-making process is examined, it is usually the case that the percentage of manual work in the bag-making process is not small, but some processes are said to be difficult to automate depending on the work content.

Therefore, an object of the present invention is to provide a bag making machine for a new cushion envelope, which automates a work process which is difficult to automate.

[Means for solving problems]

The present invention is a bag making machine for a buffer envelope in which an outer envelope part made of a heat-fusible cushioning material is housed in an outer envelope part made of a heat-fusible outer paper. A heat-sealing device for forming a composite for forming a thin plate-like composite by heat-sealing the cushioning material at both edges thereof and the both edges of the composite heat-sealed so as to overlap each other. And a semi-folding mechanism for folding the composite, and a semi-folding mechanism for bag-making in which a plurality of heat-sealing portions in the direction perpendicular to the bent portion of the folded composite are provided with appropriate intervals. A folding heat fusion device, wherein the heat fusion device for forming a composite body is mounted on the mounting portion on which the exterior paper and the cushioning material are stacked, and the mounting portion mounted on the mounting portion. An outer paper stopper for contacting both edges of the outer paper and positioning the outer paper at a predetermined position is overlaid on the outer paper. A stopper dampers for positioning the buffer member in a predetermined position in contact with one edge of the cushioning material,
It has a pair of heat seal bars for heat-sealing one edge portion of the exterior paper and the cushioning material that have been positioned and the opposing edge portion that opposes the one edge portion, and the half-folding mechanism includes the composite body. A clamper for holding the heat-sealed one edge portion and moving it to a predetermined position for positioning, and a central portion of the positioned composite body from the direction perpendicular to the one edge portion of the composite body to the one edge portion. A half-folded plate that presses in parallel, a pair of upper and lower pressing guides that are provided so as to face the half-folded plate and have a horizontally long slit formed therebetween, and sandwich the pressed composite body. The above object is achieved by providing a bag making machine for cushioning envelopes, which is characterized by having a pair of folding conveyors that are folded from the center thereof.

〔Example〕

An embodiment of the buffer envelope bag making machine of the present invention will be described below with reference to the drawings.

1 to 3 show an outline of a heat-sealing device 1 for forming a composite body, and FIGS. 5 and 6 show an outline of a half-folding heat-sealing device 3, which are manufactured by the present invention. The bag machine comprises both of these devices 1 and 3.

The heat-sealing device 1 for forming a composite is for forming a composite C composed of a heat-sealing outer packaging paper A and a heat-sealing cushioning material B as shown in FIG. A and the cushioning material B laminated on one surface thereof are heat-sealed at both edges thereof to form a thin plate-shaped composite body C. That is, as shown in FIGS. 1 to 3, the composite-forming heat-sealing device 1 includes a placing portion 11 on which the exterior paper A and the cushioning material B are placed in an overlapping state, and a placing portion 11 on the placing portion 11. Outer paper stoppers 12d and 12e for contacting both edges d and e of the outer paper A to be positioned at predetermined positions, and a cushioning material B to be overlaid on the outer paper A, respectively. Cushioning material stoppers 13d, 13d that come into contact with the edge portion d and position at a predetermined position
And a pair of heat seal bars 14d and 14e for heat-sealing one edge portion d of the positioned exterior paper A and the cushioning material B and the opposing edge portion e opposed thereto to form heat-sealing portions D and E, respectively. It is composed mainly of and.

The heat fusion device 1 for forming a composite will be described in more detail. The above-mentioned placing portion 11 is formed by the upper surface board of the pedestal 15. The exterior paper stoppers 12d and 12e are each made of a long body and are attached to the mounting portion 11 so as to be able to come into contact with and separate from each other so as to accommodate exterior papers A having different sizes. The range is such that one outer paper stopper 12d serving as a reference on one edge side of the mounting portion 11 is made smaller, and the other outer paper stopper 12e on the other edge side of the mounting portion 11 is smaller.
Is increased. In addition, the stopper 13 for the cushioning material
Reference numerals d and 13d serve to position the cushioning material B to be superposed on the exterior paper A, and the stopper 1 for the exterior paper on the reference side.
It is located inside both side ends of 2d and is provided so as to be able to move in and out on the mounting portion 11. Further, the heat seal bars 14d and 14e can be brought into contact with and separated from the tip of the movable arm 17d of the fixed side heater 16d fixed on one edge of the placing part 11 and the fixed side heater 16d, respectively. The movable arm 17 of the movable heater 16e provided on the mounting portion 11
It is provided at the tip of e. In addition, in FIGS. 1 to 3, 18d denotes the movable arm 1 of the fixed side heater 16d.
The hydraulic cylinder that rotates 7d is a hydraulic cylinder that rotates the movable arm 17e of the movable heater 16e. Reference numeral 19e is a handle for moving the movable heater 16e. Reference numeral 20 denotes a composite discharge conveyor provided above the mounting portion 11 so as to be able to lie back and forth.
Further, in FIG. 4, 21d is a fixing bolt of the exterior side paper stopper 12d on the reference side, and 22d is a glass sheet run on the heat-sealing surface of the heat-sealing bar 14d to protect the cushioning material B during heat fusion. , 23d are winding shafts for the glass sheet 22d, and these fixing bolts 2
The 1d, the glass sheet 22d, and the winding shaft 23d are similarly provided on the movable heater 16e side.

Further, the half-folding heat-sealing device 3 is a half-folding mechanism for folding the composite C as shown in FIG. 9 so that the heat-sealing portions D and E of the both heat-sealed edges overlap each other. 5, and the folded composite body C is provided with a plurality of heat-sealing portions G, G, ... In a direction perpendicular to the bent portion f at appropriate intervals as shown in FIG. And the heat fusion mechanism 7 for use.

The half-folding mechanism 5 of the half-folding heat fusion device 3 is shown in FIGS.
As shown in the figure, the composite C is heat-sealed to form an edge D.
And the central parts f of the positioned composite body C.
A half-folding plate 52 for pressing the composite C in a direction perpendicular to the composite C in parallel with the one edge d, and a plurality of pairs of folding conveyors 53 for sandwiching the pressed composite C and folding it from the center thereof. , 53, ... and 54, 54 ,.

The half-folding mechanism 5 will be described in more detail. The clampers 51, 51 are fixed to an elevating device (conveyor) 56 driven by an elevating cylinder 55, and rotate about 90 degrees as the elevating device 56 moves up and down. , Mounting section 57
The composite C supplied above is moved to hold the composite C vertically at a predetermined position according to the size of the composite C. The tips of the clampers 51, 51 have a structure capable of clamping one edge D of the composite C as shown in FIG. Also, the half-folded plate 52 is
It is driven by a cylinder 58, and presses the central portion f of the vertically positioned composite C to press a pair of upper and lower holding guides 59, a horizontally long slit portion 60.
The central portion f of the composite C is pushed in.
Also, a plurality of pairs of the above-mentioned folding conveyors 53, 5
3, 54 and 54 are slit portions 60.
It is composed of endless conveyors that are arranged opposite to the half-folded plate 52 with the space between them and are arranged side by side at an appropriate interval in the direction of one edge D of the introduced complex C, and in cooperation with the slit portion 60, The composite C is correctly folded in two so that the cushioning material B and the heat-sealed portions D and E overlap each other. In addition, these folding conveyors 53, 5
.. and 54, 54, .. The rear part of the conveyors 53 ', 5 which are endless conveyors, respectively.
3 ', ... And 54', 54 ',.

Further, the bag-making heat-sealing mechanism 7 in the half-fold heat-sealing device 3 has the endless conveyors 53 ', 53', ... In the half-folding mechanism 5 as shown in FIGS. 5 and 6.
.. and 54 ', 54', ... Mainly composed of plural heat seal bars 71, 71, ... And 72, 72 ,. is there. Heat seal bars 71, 71, ...
, 72, 72, ... are respectively provided on a pair of frame bodies 73, 74 that move up and down by appropriate means, and the complex C folded as described above is bent at its bent portion as shown in FIG. Heat-sealed parts G, G, ... In a direction perpendicular to f
A plurality of articles are provided at appropriate intervals.
The heat seal bars 71, 71, ... And 72, 7
2, ... Are movably attached to the frame bodies 73, 74 by racks and pinions, respectively, and after moving the moving handles 75, 75 ,. , Are fixed at predetermined positions by means of, and the formation intervals of the heat-sealed portions G, G, ... Can be adjusted appropriately.

Further, in addition to the above, the half-fold heat fusion device 3 has the above-mentioned transfer conveyors 53 ', 53', ... And 54 ', 54' ,.
..Cutters 8, 8, ... located between each pair of rear ends
., And the product pedestal 9 is provided behind the cutters 8, 8, ..., And the heat-sealing portions G, G, ... The central portion of the is cut along the heat-sealed portions G, G, ... As shown in FIG. 10 by H, H ,.

Next, a bag-making mode of the buffer envelope bag-making machine of the present invention having the above structure will be described. Each part of the apparatus is adjusted in advance according to the sizes of the exterior paper A and the cushioning material B supplied and the size of the cushioning envelope to be made into a bag.

In the bag making, first, the outer paper A is brought into contact with the outer paper stoppers 12d and 12e at both edges d and e on a predetermined position of the mounting portion 11 of the composite-forming heat fusion device 1. Supply. Next, the cushioning material B is supplied so that one edge portion of the cushioning material B is brought into contact with the cushioning material stoppers 13d and 13d so as to be superposed on a predetermined position of the exterior paper A. The outer paper A and the cushioning material B may be supplied manually or automatically by a conveyor device (not shown). After that, one edge portion d of the positioned exterior paper A and the cushioning material B and the facing edge portion e opposite thereto are attached to the heat seal bar 14d.
By heat-sealing with 14e and 14e as shown in FIG. 4, a composite C as shown in FIG. 8 in which heat-sealed portions D and E are formed at both edges is obtained. It is discharged by the body discharge conveyor 20, and is supplied onto the placing portion 57 of the half-folding mechanism 5 in the half-fold thermal fusion bonding apparatus 3 manually or directly or by a conveyor device (not shown).

When the composite C is supplied onto the placing portion 57 of the half-folding mechanism 5,
The clampers 51, 51 are actuated, the composite C moves in a state in which the one edge D is heat-sealed and held by the clampers 51, 51, and the central portion f is half-folded in parallel with the one edge D. It is vertically positioned so as to face the plate 52. When this positioning is completed, the half-folded plate 52 is actuated, and the center portion f of the positioned composite body C is pressed in parallel with the one edge portion D from a direction perpendicular to the composite body C. Immediately after this pressing, the holding of the composite C by the clampers 51, 51 is released, and the pressed composite C is a plurality of pairs of folding conveyors 53, 53, ... And 54, 54 ,. Is introduced from the central portion f in a sandwiched state, and the heat-sealed portion D
And E are folded as shown in FIG. 9 so that they overlap.

The folded composite C has a plurality of pairs of conveyors 53 ', 53', ...
54 ', ...
As shown in FIG. 10, the heat seal bars 71, 71, ... And 72, 72, ... While the 3 ', 53', ... And 54 ', 54' ,. , A plurality of heat-sealed portions G, G, ... In a direction perpendicular to the bent portion f are formed at appropriate intervals in the folded composite C. When this heat fusion is completed, the transfer conveyors 53 ', 53', ... And 54 ', 54',
... are driven, and the central portions of the heat-sealed portions G, G, ... Are driven by the cutters 8, 8 ,.
Is cut as shown in FIG. 10 along H, and the buffer envelope is discharged to the product receiving stand 9.

Needless to say, the bag making machine for cushioning envelopes of the present invention is not limited to the above-described embodiment, and for example, heat seal bars 71, 71, ... And 72, 72 ,.
.. may be a total of two pairs, one above the other. Also, the exterior paper A and cushioning material B used in the cushion envelope bag making machine of the present invention.
It goes without saying that there is no limitation on the type, size, superimposition mode, etc.

[Effect of device]

As described above, the cushion envelope bag making machine of the present invention forms a composite body by partially heat-sealing the exterior paper and the cushioning material, and the composite body (since such a composite body includes the cushioning material). High rigidity)
Since it can easily and surely perform accurate folding and heat fusion for bag making, it has an outstanding practical effect that it greatly contributes to automation of bag making of buffer envelopes. Is.

[Brief description of drawings]

The drawings are for explaining one embodiment of the present invention.
FIG. 2, FIG. 3 and FIG. 3 respectively show a side view, a plan view and a front view showing the outline of the heat-sealing device for forming a composite body, and FIG. 4 shows a heat-sealing mode by the heat-sealing device for forming a composite body. FIG. 5 is an enlarged side view of an essential part for explaining, FIG. 5 and FIG. 6 are side views and a plan view showing the outline of a half-fold heat-sealing device, respectively. FIG. 7 is an enlarged side view of a clamp, and FIG. FIG. 9 is a perspective view of the composite body, FIG. 9 is a perspective view of the folded composite body, and FIG. 10 is a perspective view of the composite body subjected to heat fusion for bag making. 1 ... Heat-fusion device for forming complex 3 ... Half-fold heat-fusion device 5 ... Half-folding mechanism 7 ... Heat-fusion mechanism for bag making 51 ... Clamper 52 ... Half-folded plate 53, 54 ... … Folding conveyor A… Exterior paper B… Cushioning material C… Composites D, E, G… Thermal fusion part

Continuation of the front page (72) Ken Tanaka, 4-4 Fukushima, Fukushima-ku, Osaka City, Osaka Prefecture Union Cup Co., Ltd. (72) Minor Kawaguchi 2-3-8-1337, Minamisuna, Koto-ku, Tokyo (72) ) Inventor Junzo Kawai 5652-77 Sasaga, Matsumoto-shi, Nagano Okubo Factory Park Complex Sanshin Giken Co., Ltd. (56) References JP-A-54-27879 (JP, A) JP-B-46-16069 (JP, B1) JP-B-54-21791 (JP, B2)

Claims (4)

[Scope of utility model registration request] 1. A bag making machine for a buffer envelope, comprising: (a) an outer envelope portion made of a heat-fusible outer paper and an outer envelope portion made of a heat-fusible cushioning material inside the outer envelope portion; A heat-sealing device for forming a composite, which forms a thin plate-like composite by heat-sealing the exterior paper and the cushioning material laminated on one surface thereof at their both edges, and (c) heat-melting the composite. A half-folding mechanism that folds the both edges that are attached so as to overlap each other, and a plurality of heat-bonded portions that are in the direction perpendicular to the folded portion of the composite that is folded are provided at appropriate intervals. A half-folding heat-sealing device having a heat-sealing mechanism for bag-making, (d) the heat-sealing device for forming a composite (a), (i) in a state where the outer paper and the cushioning material are stacked. A placing portion to be placed, and (ii) an exterior paper stopper for contacting both edges of the exterior paper placed on the placing portion to position the exterior paper at a predetermined position. And (iii) a stopper for a cushioning material that contacts one edge of the cushioning material that is overlaid on the exterior paper to position the cushioning material at a predetermined position, and (iv) the positioned exterior paper and the cushioning material. (E) The half-folding heat-sealing device (c) has a pair of heat-sealing bars for heat-sealing one edge and the opposite edge facing each other. i) a clamper that holds the heat-sealed one edge of the composite and moves it to a predetermined position for positioning; and (ii) the center of the positioned composite, the one edge of the composite. A half-folded plate that presses in parallel with the one edge from a direction perpendicular to, and (iii) an upper and lower plate that is provided so as to face the half-folded plate and has a horizontally long slit formed therebetween. A pair of pressing guides, and (iv) a pair of holding the pressed composite body and folding it from the center thereof. A bag making machine for cushioning envelopes, which has a folding conveyor. 2. The folding conveyor of the half-folding mechanism in the half-fold heat-sealing device is composed of a plurality of endless conveyors arranged in parallel with each other at intervals, and in the half-fold heat-sealing device. The heat-sealing mechanism for bag-making has a plurality of heat-sealing bars arranged in parallel, one pair each vertically moving between the endless conveyors, and a buffer envelope according to claim (1) of the utility model registration claim. Bag making machine. 3. A bag making machine for cushioning envelopes according to claim (2), wherein the intervals between heat seal bars arranged in parallel are adjustable. 4. The half-fold heat-sealing device further comprises a cutter for cutting the central portion of the heat-sealing portion heat-sealed by the bag-making heat-sealing mechanism along the heat-sealing portion. The bag making machine for buffer envelopes according to claim (1) of claim for utility model registration.