JPH0233563B2 - HOSOKINOKAMIGAIDOSOCHI - Google Patents

Description

Detailed Description of the Invention [Industrial Application Field] The present invention relates to a paper guide device for a packaging machine that places, guides and supports wrapping paper that is fed and moved onto a product, and in particular, relates to a paper guide device for a packaging machine that guides and supports wrapping paper that is fed and moved onto a product. The present invention relates to a paper guide device for a packaging machine.

<Prior art> A body wrapper wraps the wrapping paper and the product, folds the side edge of the cylindrical wrapping paper projecting end from both ends of the product along the end surface of the product, and then folds the side edge of the projecting end of the wrapping paper. The upper and lower edges are folded in along the edge of the product.

The wrapping paper that is fed above the product placed on the elevator is moved in the direction of the former when the pasting piece of the pasting device rises and pushes one end of the wrapping paper from below, and when the elevator pushes the product and the wrapping paper up between the formers. One end of the wrapping paper that is pulled is rubbed against the glue piece, glued, and pulled up in a hanging state.
Wrapping paper wraps the product from above using the action of the former. When the product is horizontally projected into the transfer path, the glued end of the wrapping paper wraps and adheres the other end of the wrapping paper to the bottom surface of the product to maintain the wrapping.

The wrapping paper supply means for supplying the wrapping paper to the upper part of the elevator includes a belt conveyor that pinches and feeds the wrapping paper, an adjustable rolling pressure roller, and a wrapping paper that is provided at the tip of the rolling roller and feeds the wrapping paper. There is a paper guide that places and guides the paper, and one end with wrapping paper glue is attached to the paper guide.
When the elevator lifts it up, it separates from the glued piece and is pulled up in a sagging state. In this case, if one end with glue on it slides up the paper guide and the glue is transferred to the paper guide, the wrapping paper being fed between the belt conveyor and compaction roller will no longer slide on the paper guide. Wrinkles may form, the paper may be fed crooked relative to the product, or the paper may bend against the product during uplifting, making it impossible to wrap the product. In order to prevent this, it is necessary to provide a glue adhesion avoidance mechanism that prevents one end of the wrapping paper with glue from sliding on the paper guide and being pulled up when the wrapping paper is pulled up.

Incidentally, a paper guide having a conventional paper handling means is disclosed in Utility Model Publication No. 59-18966.

[Problem to be solved by the invention] The present invention has been devised in view of the above points, and
A paper guide device for a packaging machine having a glue adhesion avoidance mechanism is provided.

[Means for Solving the Problems] The present invention, as a means for solving the above problems, involves sliding a wrapping paper over a plurality of parallel paper guides and supplying the wrapping paper onto a product supplied from another location. After gluing the lower surface of one end of the wrapping paper, the product and the wrapping paper are pushed up from below between a pair of formers, and the end of the wrapping paper opposite to the glued end is allowed to hang down. In the paper guide device of a packaging machine that is designed to perform downward channel winding, at least the paper guide closest to the glued end of the wrapping paper is connected to a horizontally suspended shaft and the shaft is reciprocated by a certain angle. and a reciprocating drive means that is attached to the shaft so that the width direction of the strip plate is in the radial direction of the shaft, and is positioned above the shaft when the wrapping paper is supplied, and guides the wrapping paper to be fed and moved. a wrapping paper supply guide vane made of a band plate attached to the shaft so that the width direction of the plate is in the radial direction of the shaft and at a different position from the wrapping paper supply guide vane; When the shaft is rotated by a certain angle by the driving means when pushing up products and wrapping paper after being supplied, the push-up packaging guide is positioned above the shaft and guides the hanging end of the wrapping paper that is pulled up by pushing up. The present invention provides a paper guide device for a packaging machine characterized by comprising a blade.

[Function] When feeding wrapping paper, the wrapping paper supply guiding blade is located above the shaft, so the wrapping paper being fed and moved is
The wrapping paper is placed on the sliding product by riding on the guide vane. Then, glue is applied to the lower surface of one end of the wrapping paper. Next, the reciprocating drive means is driven to rotate the shaft by a predetermined angle, and the push-up packaging guide vane is positioned above the shaft. Subsequently, when the product and the wrapping paper are pushed up, the guide vanes during pushing up and wrapping guide the hanging end of the wrapping paper that has been pulled up by the pushing up and has been glued. At this time,
The lower surface of the hanging end of the wrapping paper on which the glue has been applied is pushed up and comes into contact with the guiding blade during packaging, and the glue is transferred to the guiding blade. Subsequently, the reciprocating drive means is driven to reversely rotate the shaft by a predetermined angle so that the wrapping paper supply guide vane is positioned above the shaft. Thereafter, the above operation is repeated. Therefore, since glue does not adhere to the wrapping paper supply guide vanes, the conventional problem that the wrapping paper does not slide on the wrapping paper supply guide vanes when the wrapping paper is supplied is avoided.

The paper handler is preferably removable for cleaning, and the paper guide and paper handler are preferably provided in a semi-cylindrical body that is removably fitted onto the shaft so as to rotate together with the shaft.

<Example> FIGS. 1 to 5 show an example in which the paper guide device for a packaging machine of the present invention is applied to a body wrapper.

FIG. 4 and FIG. 5 are a front view and a side view showing almost the main parts of the body wrapper. The products w on the elevator 1 are supplied by a product conveyance device (not shown). Wrapping paper P is supplied above the product w on the elevator 1. One end of the wrapping paper P is inserted into the gluing device 2, and the gluing piece 2a rising from the nori liquid in the nori tank holds the one end of the wrapping paper P between it and the upper holding piece 2b. Press down. The elevator 1 pushes up the product w and the wrapping paper P between a pair of formers 3a and 3b. For this reason, the gluing piece 2a is glued to one end of the wrapping paper P, and the wrapping paper P
One end to which the glue has been applied is pulled up in a hanging state when it is separated from the glue application piece 2a by the lifting of the elevator 1. The clamping claws 4a, 4b clamp the product w pushed up onto the formers 3a, 3b. Thereby, the wrapping paper P is brought into close contact with the upper surface of the product w and the side surface of the side corresponding to the formers 3a and 3b. By protruding between the formers 3a and 3b, the bottom folding plate 5 aligns one side P1 of the wrapping paper P hanging between the formers 3a and 3b with the lower surface of the product w. The first stage protrusion plate 6 protrudes the product w onto the table 7. The pair of movable side folding plates 8 move onto the table 7 together with the first-stage protruding plate 6, and at this time, they come into close contact with both end surfaces of the product w in the length direction, and are attached to the square tube from both ends of the product w of the wrapping paper P. Side-fold one side of the opening end that protrudes in a shape. table 7
Align the remaining hanging side P2 of the wrapping paper P with the bottom surface of the product w. Then, the heater 10 attached to the lower surface of the table 7 dries the glued sides. Fixed side folding plate 11 on table 7
, the remaining sides of the opening end of the wrapping paper P are side-folded. The second stage protrusion plate 12 projects the product w projected onto the table 7 by the first stage protrusion plate 6 to a packaged product stacking section (not shown).

Note that reference numeral 34 is a floating prevention plate that prevents the product w from floating.

In particular, in the present invention, as a wrapping paper supply means for supplying the wrapping paper P above the elevator 1, a pair of formers 3a, 3b is provided below the formers 3a, 3b with an interval larger than that of the formers 3a, 3b.
There is a belt conveyor 13 whose spacing can be freely adjusted according to b, and an adjustable compaction roller 14 that is in close contact with the belt conveyor 13, which receives the wrapping paper P fed by the vacuum roller 15 so as to sandwich it therebetween.
Place the wrapping paper P on the tip of the compaction roller and press stopper 1.
Paper guide 17,1 so as to guide it until it hits 6.
8, 19, 20 and a gluing device 2 are provided.

The inner paper guides 18, 19, respectively, close to the elevator 1 are located almost on the extension of the belt conveyor 13, and the spacing can be adjusted according to the product w, and the outer paper guides 17, 20, respectively, are located on the same side as the paper guides. 18, 19 can be adjusted to maintain a constant interval. The distance from the elevator 1 can be adjusted independently of the gluing device 2.

FIG. 1 is a plan view of the paper guides 19, 20, FIG. 2 is a side view, and FIG. 3 is a view taken along the - arrow in FIG. Paper guide 19, 20
is a shaft 2 whose both ends are supported by bearings 21 and 22.
3 is suspended horizontally, and a half-cylindrical body 24 that is removably fitted onto this shaft 23 has a wrapping paper supply guide vane 25 and a push-up packaging guide vane 26 erected, and one end of this shaft 23 A piston head 28a of a solenoid cylinder 28, which is a reciprocating drive means, is linked to the tip of the fixed swinging lever 27, and when the solenoid cylinder 28 is extended, the shaft 23 is rotated by 90 degrees, and the wrapping paper supply guide vane 25 and the piston head 28a are linked. During push-up packaging, the guide vane 26 can be switched to a position where it stands up with respect to the shaft 23. The half-cylindrical body 24 has a pair of slits 29 and 30 at both ends, and is attached to the shaft 23 by engaging the slit 29 at one end with a locking protrusion 31 protruding from the same end of the shaft 23. Ring 32 fitted and biased by spring 35
The end face of the half cylinder body is fitted onto the shaft 23 which is pushed in, and when the hand is released, the slit 30 on the other end side is engaged with the locking protrusion 33 protruding from the same end side of the shaft.

Therefore, the wrapping paper supply guiding blade 25 is used as a paper guide, and when the wrapping paper P is placed and guided until the wrapping paper P is finished being fed when the wrapping paper P is placed and positioned upward with respect to the shaft 23, the wrapping paper P is placed and guided, and the wrapping paper P is pushed up. The packaging guide vane 26 moves the shaft 2 before the elevator 1 lifts up.
3 by about 90 degrees in the direction of the arrow so that it stands up with respect to the shaft 23, and then wraps the wrapping paper P.
The glue attached to one end is the wrapping paper supply guide feather 25
Former 3 of wrapping paper P so that it does not stick to
This guides movement in directions a and 3b.
As a result, one end of the wrapping paper P, which is pulled up in a sagging state when separated from the glue-applying piece 2a by the uplifting of the elevator 1, is pulled up by sliding on the guiding blade 26 during up-wrapping, and the glue is removed by the blade. 26, but not to the wrapping paper supply guide blades 25, and the guiding function of the blades is not inhibited.

[Effects of the Invention] As explained above, the paper guide device of the packaging machine of the present invention has a structure in which the shaft is provided with a wrapping paper supply guide vane and a guide vane during push-up packaging, which can be used by switching. One end of the wrapping paper to which it has adhered is pulled up by sliding on the guide blade during up-wrapping, and the glue is not transferred to the wrapping paper supply guide blade. Therefore,
Wrapping paper that is fed between the belt conveyor and compaction rollers may not slip on the wrapping paper supply guide blades, causing wrinkles in the paper, the paper being fed crookedly relative to the product w, or the paper being pushed up when being pushed up. will not bend against the product w and become unpackable.

In addition, the paper guide device of the packaging machine of the present invention has a configuration in which the shaft is provided with a wrapping paper supply guide blade and a push-up packaging guide blade and is used by switching, so the configuration is simple and the operation adjustment is easy. There is no need to increase the length between the elevator and the former.

In addition, as in the embodiment of the present invention, when the wrapping paper supply guide blade and the push-up packaging guide blade are provided on a half-cylinder body and the half-cylinder body is removably attached to the shaft, the push-up packaging This is convenient because the glue adhering to the time guide vane can be easily wiped off.

[Brief explanation of drawings]

Figures 1 to 5 relate to an embodiment of a body wrapper that employs a paper guide device for a packaging machine according to the present invention, in which Figure 1 is a plan view of the paper guide device, and Figure 2 is a side view. FIG. 3 is a view taken along the - arrow in FIG. 1. FIGS. 4 and 5 are a front view and a side view showing almost the main parts of the body wrapping machine. 1... Elevator, w... Product, P... Wrapping paper, 2... Gluing device, 2a... Gluing piece,
2b...presser piece, 3a, 3b...former, 4
a, 4b...Pinching claw, 5...Bottom folding plate, 6...First stage protruding plate, 7...Table, 8...Movable side folding plate, 10...Heater, 11...Fixed side folding plate, 12... Second stage protruding plate, 13... Belt conveyor, 14... Rolling roller, 15... Vacuum roller, 16... Stopper, 17, 18...
...Paper guide, 19,20...Paper guide, 21,2
2...bearing, 23...shaft, 24...half cylinder, 25
...Wrapping paper supply guide vane, 26... Guide vane during push-up packaging, 27... Rocking lever, 28... Solenoid cylinder (reciprocating drive means), 29, 30
...Slit, 31...Latching protrusion, 32...Ring, 33...Latching protrusion.

Claims (1)

[Claims] 1. The wrapping paper is slid onto a plurality of parallel paper guides so that the wrapping paper is fed onto a product supplied from another place, and the lower surface of one end of the wrapping paper is A guide for a packaging machine that, after being glued, pushes the product and the wrapping paper up between a pair of formers from below and winds the wrapping paper in a channel in which the end opposite to the glued end hangs down. In the apparatus, at least the paper guide closest to the glued end of the wrapping paper has a horizontally suspended shaft, a reciprocating drive means for reciprocating the shaft by a certain angle, and a strip plate that extends in the width direction. Wrapping paper supply guide vanes attached to the shaft in the radial direction of the shaft and positioned above the shaft during supply of wrapping paper to place and guide the wrapping paper to be fed and moved; It is attached to the shaft so that the direction is in the radial direction of the shaft and at a different position from the wrapping paper supply guide vane, and when the product and the wrapping paper are pushed up after being supplied with the wrapping paper, the driving means A paper guide for wrapping paper, characterized in that it is comprised of a guide blade during push-up packaging that is located above the shaft when the shaft is rotated by a certain angle and guides the hanging end of the wrapping paper that is pulled up by push-up. Device. 2. Claim No. 2, characterized in that a wrapping paper supply guide blade and the above-mentioned push-up packaging guide blade are provided on a semi-cylindrical body that is removably fitted and fixed to the shaft so as to rotate integrally with the shaft. A paper guide device for wrapping paper according to item 1.