JPH0441044Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] The present invention is based on hosho-folding, in which wrapping paper wrapped around an object is welded on either the left or right side, overlapped, and then folded on the other side. This relates to a packaging device that folds the front and back long edges into one piece and then folds the long edges of the front and back over the folded edges in order for packaging, and is mainly used in the field of automatically packaging monaka and other Japanese sweets.

[Conventional technology and problems]

Conventionally, wrapping Japanese confectionery in a votive fold has generally been done by hand for each individual piece. However, with this manual method, it is not possible to reduce costs because it does not save labor, it is extremely inefficient, and it is unsanitary because each item is wrapped by hand. In order to do this, the Japanese confectionery had to be pre-wrapped with tissue paper or the like, which required double wrapping.

[Means for solving problems]

This proposal was devised from the above-mentioned circumstances, and uses a transfer body 4 that is open at both front and rear ends in the transfer direction, has side walls on both sides, and moves intermittently, so that one side in the transfer direction is high and the other side is low. , and the wrapping paper 1 supplied with food is transported with the front and back protruding, and at the first stop position, heating press bodies 5 and 6 are installed oppositely on both sides of the transport path, and the high side edges are A side welding device, in which the heating press body 6 reciprocates beside the pressure press body 5 on the other side to weld the upper edges 1a and 1b on both sides of the wrapping paper, is located at the second stop position above the side welding device. Folding plates 8 and 9, which simultaneously reciprocate inwardly and whose folding sides are slightly lowered so that they can cross each other, are installed oppositely on both sides of the transfer path.
A side folding device for laterally folding the edge 1c after welding is provided, and heating press bodies 15 and 16 that move up and down in the transport direction are installed vertically at the third stop position to fold the wrapping paper. A front and rear welding device for welding the front and rear edges 1d is provided at the fourth stop position with bending plates 17 and 18 that move up and down in the front and bottom of the transport direction, and On one side, rotating folding plates 20 that rotate reciprocatingly above the transfer body are installed opposite to each other in the transfer direction, and on the other side of the transfer path opposite to this,
A restraining plate 22 and a clamping plate 23 that rotates over time are attached to a rotating shaft 21 installed in the transfer direction, and after the restraining plate rotates onto the edge 1c and restrains the movement, the bending plate rises. The front and rear edges 1d are raised and lowered, the rotating folding plates sequentially rotate back and forth to fold the edge 1d onto the holding plate, and the clamping plate rotates on top of it to hold down the edge. It is characterized by being equipped with a front and rear folding/unloading device which is clamped between the plate and rotates in reverse together with the restraining plate.

[Effect]

In this device, the wrapping paper is transferred with one side edge in the transfer direction being high and the other side edge being low and protruding above the transfer body, and both front and rear edges thereof also protruding from the transfer body.

When the wrapping paper reaches the first stop position, the high side edge is placed over the packaged object by the reciprocating heating press of the side welding device, and the remaining side edge portion is placed on the low side. It is welded to the edge and transported in an upright state.

Next, at the second stop position, the upright double side edges are folded in to the other side edge by the side folding device, and then the front and rear welding devices at the next stop position The edges projecting forward and backward are welded at approximately the center of the top and bottom.

When the wrapping paper reaches its final stop position, the restraining plates of the front and rear folding and unloading devices rotate onto the side edges of the wrapping paper on the conveying body to restrain it and prevent it from swinging. Next, the folding plate rises, bends the front and rear protruding edges of the transfer body upward, and then lowers, and the opposing rotating folding plates sequentially rotate back and forth to raise the erected front and rear ends. Fold the edges onto the wrapper on the transport. After that, the clamping plate rotates and clamps the bent edge between it and the restraining plate, and both plates rotate in unison to take out the packaged item from the conveyor and transport it out. It is carried out on the belt.

〔Example〕

Figures 1 to 11 show an embodiment of the present device, which is installed in series with a conventionally known supply/cutting device, including a side welding device A, a side folding device B, and a front and rear portion. It consists of a welding device C and a front and rear bending/unloading device D.

FIG. 12 schematically shows an example of this feeding/cutting device, in which a series of wrapping paper 1' laminated with a resin film is continuously conveyed, and one piece of food n of the same or different kind is placed thereon at a predetermined interval. Alternatively, the food is fed through several nozzles 2, and the front and back sides of the food are cut into a predetermined length by a cutting cutter 3. However, when used in the present device, as shown in the first diagram, the food n is wrapped in wrapping paper. Wrapping paper 1 is fed to a position slightly on one side from the center line m in the transport direction and cut into pieces.
is supplied to the transport body 4 of this device.

This transfer body 4 is open at both front and rear ends in the transfer direction, has side walls on both left and right sides, and is connected to a chain to move intermittently as in the conventional case, and is inserted at a predetermined stop position (not shown). The wrapping paper 1 pushed in by the plate is transported with one side edge 1a high, the other side edge 1b low and protruding upward, and both front and rear edges protruding from the transfer body 4, as shown in the second figure. be done.

The side welding device A is provided at the first stop position of the transfer body 4, and as shown in FIG. The heating pressing body 6 on the side edge 1a side which protrudes highly is reciprocated by a crank mechanism connected to a lifting rod 7. Therefore, when this heating press body 6 moves forward and presses the side edge 1a, the side edge 1a is bent as shown in the fourth figure and covers the food item n, and the remaining side edge portion is placed on the other side. It is pressed by the heating pressing body 5 and welded to the lower side edge 1b, and is formed as shown in FIG.

In addition, the side folding device B is provided at the next stop position of the transfer body 4, and as shown in FIGS. The folding plate 9 on the direction side is made slightly lower than the folding plate 8 on the other side so that they can cross each other. Each folding plate 8, 9 has a long hole 10 in a direction perpendicular to the transfer direction and a short hole 11 in the transfer direction.
A guide pin 13 protruding from the upper surface of the shaft portion of the gear 12 is inserted into and fitted into the elongated hole 10, and an operating pin 14 protruding from the upper surface near the outer periphery of the gear 12 is inserted into the elongated hole 10. It is inserted into the short hole 11 and fitted in the same manner.

Therefore, when the gear 12 rotates in the direction of the arrow in FIG. The double side edges 1c already welded by the above-mentioned device are folded in as shown in FIG. 7, and the gear 12 is rotated in the reverse direction to return to the original position. As a result, the double side edge 1c of the wrapping paper 1
is folded back to the other side end as shown in FIG.

Furthermore, front and rear welding devices C are provided in front and behind the third stop position of the transfer body 4, as shown in FIG. A pair of heating pressers 15,1
6 is designed to perform up and down movements of coming into contact and separating at the same timing. As a result, the transport body 4
The edge 1d of the wrapping paper 1 that protrudes from the front and rear of the
As shown in the figure, it is welded at approximately the center of the top and bottom.

The front and rear folding/unloading devices D are provided at the final stop position of the transport body 4. That is, as shown in FIGS. 9 to 11, bending plates 17 and 18 that move up and down in the vicinity of the front and rear ends of the stop position are disposed opposite to each other downward, and one side of the stop position along the transfer direction On the sides, rotating shafts 9 are provided opposite to each other on the front and rear sides, and rotating folding plates 20 are fixed to these, respectively. Furthermore, an operating shaft 21 is installed above the other side opposite to this, and a holding plate 22 and a clamping plate 24 having notches 23 on both sides are attached to this.

Note that the related operations of each of the above parts are as follows:
rotates and stops close to the transfer body 4 , each rotating folding plate 20 sequentially reciprocates above the transfer body 4 , and then the clamping plate 24 rotates to close the holding plate 22 . approach on top of, then unite almost
It is set to rotate 180°.

Reference numeral 25 denotes a take-out claw plate, which is fixed to the rotation shaft 26 below the above-mentioned reverse rotation position in correspondence with the notch 23 of the clamping plate 24, and is fixed to the rotation shaft 26 below the above-mentioned reversal rotation position, and the holding plate is 22 and the clamping plate 24, and in the final upright position, the extrusion surface 25a faces the conveyance belt 27 closely.

Therefore, the side edge 1c of the wrapping paper on the stopped transport body 4 is restrained by the rotating restraining plate 22, and immediately after that, the bending plates 17 and 18 rise, and the front and rear edges of the wrapping paper are restrained. The edge 1d is bent upward as shown in FIG. 13 and lowered. Next, one rotating folding plate 20 rotates on top of the restraining plate 22 and folds one edge 1d of the upright wrapping paper onto it to return to its original state, and the other rotating folding plate 20 does the same. This end edge 1d is folded and formed as shown in FIG. 13.

Thereafter, the clamping plate 24 rotates to clamp the bent edge 1d between it and the restraining plate 22, and rotates together to take it out from the transfer body 4 and reverse it approximately 180 degrees. .

On the other hand, the take-out claw plate 25 also stands up and rotates in accordance with the reversal, and as shown by the dashed line in FIG. move. Therefore, the gap between the two plates 22 and 24 is widened, the edge 1d is unclipped, and the article that has been folded and wrapped is sent downward onto the delivery belt 27 by the extrusion surface 25a. .

〔effect〕

As mentioned above, according to the present invention, it is possible to obtain a device that can continuously and automatically wrap the folded paper, which was conventionally done by hand. Since it is folded, it can be wrapped hygienically without the need for double wrapping, and it also improves work efficiency.Furthermore, it has the effect of significantly reducing the number of personnel, resulting in labor savings and cost reductions. achieved.

[Brief explanation of the drawing]

Fig. 1 is an oblique view of the wrapping paper and the transfer body, Fig. 2 is a sectional view of the transfer body, Fig. 3 is a front view of the side welding device, Fig. 4 is an explanatory diagram of its operation, and Fig. 5 is the side welding device. FIG. 6 is a front view of the folding device, FIG. 6 is a plan view thereof, FIG. 7 is an explanatory diagram of its operation, FIG. 8 is a side view of the front and rear welding device, FIG. 9 is a view taken along the arrow in FIG. 10
The figure is a plan view of the front and rear folding/unloading device, Fig. 11 is an explanatory diagram of its operation cut along the line of Fig. 10, Fig. 12 is a schematic diagram of the supply cutting device, and Fig. 13 is the process of folding and packaging. FIG. A... Side welding device, B... Side folding device, C
...Front and rear welding device, D...Front and rear folding/unloading device, 1...Wrapping paper, 4...Transfer body, 5...Heating press body, 6...Reciprocating heating press body, 8, 9...
...Folding plate, 15, 16...Heating presser, 17, 1
8...Bending plate, 19... Rotating shaft, 20... Rotating folding plate, 22... Holding plate, 23... Notch, 24...
Sandwich plate.

Claims (1)

[Claims for Utility Model Registration] The transport body 4 is open at both front and rear ends in the transport direction, has side walls on both sides, and moves intermittently, so that one side in the transport direction is high and the other side is low, and the front and rear are protruded. The wrapping paper 1 supplied with food is transferred, and at the first stop position, heated press bodies 5 and 6 are provided oppositely on both sides of the transfer path, and the heated press body 6 is placed along the high side edge. A side welding device that reciprocates across the pressure pressing body 5 on the other side and welds the upper edges 1a and 1b on both sides of the wrapping paper is placed in the second stop position and simultaneously moves the upper side inward. Folding plates 8 and 9, which reciprocate and whose folding sides are slightly lowered so that they can cross each other, are installed oppositely on both sides of the transfer path,
A side folding device that folds the welded edge 1c laterally is provided with heated pressers 15 and 16 vertically disposed at the third stop position, which move up and down, respectively, in the forward and backward directions of conveyance, and a side folding device that folds the welded edge 1c laterally. A front and rear welding device for welding the front and rear edges 1d is provided at the fourth stop position with bending plates 17 and 18 that move up and down in the front and bottom of the transport direction, and On one side, rotating folding plates 20 that rotate reciprocatingly above the transfer body are installed opposite to each other in the transfer direction, and on the other side of the transfer path opposite to this,
A restraining plate 22 and a clamping plate 23 which rotates over time are attached to a rotating shaft 21 installed in the transfer direction, and after the restraining plate rotates onto the edge 1c to restrain, the bending plate rises. The front and rear edges 1d are raised and lowered, and the rotating folding plates sequentially rotate back and forth to fold the edge 1d onto the holding plate, and the clamping plate rotates on top of it to hold down the edge. A book folding and packaging device characterized by being equipped with a front and rear folding/unloading device which is clamped between a plate and rotates in reverse integrally with a holding plate.