JPS59115210A - Guide groove for tape in tape packer - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] The present invention relates to a tape guide groove in a tape packing machine,
In particular, it is characterized in that a part of the inner circumferential surface of the guide groove is cut out along the longitudinal direction.

A tape packaging machine is an automatic packaging machine that uses packaging tape made of heat-fusible synthetic resin such as polypropylene, and it feeds the packaging tape from the main body of the machine and attaches it to the main body of the machine. After circling around the tape, the leading end of the tape is clamped, and then the tape is rewound to bind the item to be packed, and in this state, the beginning and end of the tape are fastened together. It is. This type of tape packaging machine is equipped with an arch on the top surface of the machine body. A guide groove is formed in this arch, which serves as a tape feeding track and also holds the tape within the track.

Here, the outline of the tape packing machine will be explained. Reference numeral 1 is the main body of the packing machine, 2 is an arch, A is an object to be packed, and T is a tape. The packaging body 1 includes a tape supply drum 3,
A feed roll 4 and a welding mechanism 5 are provided, and a guide groove 6 is formed on the inner surface of the arch 2 to serve as a track for guiding the tape Tft and to hold the tape. This guide groove 6 communicates with the welding mechanism of the apparatus main body 1, and the tape T fed out by the feeding roll 4 is transferred to the welding mechanism 5.
It passes under the hot plate 7 and enters the starting end of the guide groove 6, further advances inside the guide groove, and eventually passes through the end of the groove and enters between the fixed plate 8 and the hot plate 7. The delivery roll 4 is configured to stop when the tip reaches the stopper 9.

In the tape packing machine configured in this way, the object to be packed A
'a- To pack, first place the item A to be packed at a predetermined location in the area surrounded by the arch 2 on the main body l of the device,
Thereafter, the packaging mechanism of the device is activated. Then, first, the tape T is fed out as described above, and when its leading end is flanged, the feeding roll 4 is immediately reversed and returned to the tape packing machine. As a result, the length of the tape T held in the guide groove 6 becomes shorter than the length of the guide groove 6.
It comes off from the guide groove 6 and eventually wraps around the object to be packed.

By the way, the conventional guide groove 6 has a flat rectangular tube shape, and its inner peripheral surface is formed to be openable and closable, so that when the tape T is to be tightened, it is opened mechanically. For example, the one shown in FIGS. 2 and 3 is an example, in which the inner circumferential surface is double-opened or slid. For this reason, the guide groove 6 was formed using a metal material, but since there are mechanically operated parts, there is a possibility of failure, and furthermore, the guide groove 6 has at least corner parts. Therefore, the dimensions of the face plate and guide groove are predetermined at the manufacturing stage, and there is no versatility at all.

The present invention eliminates all the problems of the conventional guide grooves described above, has low manufacturing costs, is free from failure, and is bendable. It can be curved to suit various needs, and can be applied to various tape packaging machines.

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be specifically described below based on fully illustrated embodiments. In the figure, reference numeral 11 is the packaging machine body, and 12 is an arch cover, which is the same as the conventional one already described. Reference numeral 13 is a guide groove according to the present invention. This guide groove 13 is basically the same as a conventional one of this kind, and is different from the feeding trajectory of the packaging tape T. Tokarana 9,
A passage 17 having a rectangular cross section is formed by these members. Needless to say, this passage 17 is a path for feeding out the tape T. The size depends on the width and material of the tape T used, so the width is wider than the width of the tape T.
The thickness is J3~0.6 nm, which is the thickness of the tape T.
It is approximately 3 to 5 m wide and is formed so that the tape T can run smoothly within it. The inner circumferential surface 15 is formed to have a width of about 50 to 70 tIJ, which is the width of the passage F, and a pull-out groove 18 is formed in a portion biased toward the side surface 16'. The tape T held in the groove 13 is pulled out from the pull-out groove 18 when tightening, as will be described later. Further, the side surface 16 is formed to slightly protrude inward from the pull-out groove 18. By the way, the guide groove 13
is formed using a material having appropriate hardness and elasticity, and is preferably extrusion-molded using a flexible material such as nylon, silicone resin, or synthetic rubber.

Note that each of the above-mentioned members 14 to 16 may be formed separately or may be integrally extruded. Figure 5 shows the integrally molded one, Figure 6 shows the inner peripheral surface 15.
In the figure, reference numeral 19 is a mounting piece, which reinforces the guide groove 13 to eliminate bending and deformation of the guide groove during use, and also attaches to the arch U. It has a function as a mounting piece when installing. As mentioned above, this guide groove 13 has a tape passage 17, which serves as a guide path when the tape T is fed out, and also holds the tape within the passage when feeding is stopped. When the reeds and the tape Te are subsequently tightened with a force exceeding a certain level, the tape is pulled out from the passage. Therefore, passage 1
When 7 acts as a guide track for the tape T, the inner circumferential surface 15 is required to have a width that is at least one or more of the width of the tape T. However, in this case, even if the tape T is pulled back, the tape cannot be pulled out from the passage 17 in this state. However, if one part of the tape T is pulled out from the passage 17, the other parts are not twisted and are pulled out from the notch. Therefore, if the material constituting the inner circumferential surface 15 is relatively hard, the curved portion ak of the guide groove 13 may be partially cut out from the inner circumferential surface 15 as shown in FIG. If it is pulled out from this portion, even if the width of the inner circumferential surface 15 is considerably wide, it can be pulled out relatively smoothly over the entire circumference. In addition, the inner circumferential surface 15 is formed using an elastically deformable material such as nylon, synthetic resin, or a steel thin plate, and when the tape Tf is pulled back with a force exceeding a certain level, it deforms slightly inward and forms the notch. Needless to say, if 18 is expanded, the tape T can be pulled out more smoothly. In addition, it is desirable that the inner peripheral surface 15 should sandwich the part ae from which the tape T is first pulled out, so that it is easier to pull out the packaged object side in the direction C. That is, by doing this, the tape T is pulled out in the order of ① to ②, and finally the part b is pulled out. In order to do this, the inner peripheral surface 15 of b is made of a material that is less deformable than the other parts.
It is desirable to attach the spring material 20 to the part closest to the part to make this part a little more difficult to spread than other parts.

As detailed above, in the present invention, the guide groove 13 is formed using nylon or other flexible material, and the inner circumferential surface 15 is slightly narrower than the width of the passage 17 to form a notch. J. The tape T is pulled out from the pull-out groove 18 by utilizing the fact that the tape is made of synthetic resin such as polypropylene, instead of mechanically opening and closing the inner peripheral surface. It is. Therefore, the guide groove 13 can be formed into a straight line in advance and then cut to an appropriate length and curved into an appropriate shape depending on the work type, making it extremely versatile. Since the passage 17 is not mechanically opened or closed when pulling out the tape T, there is no risk of failure.

[Brief explanation of the drawing]

Figure 1 is a front view schematically showing the packing machine, Figures 2 and 3 are
The figure is a sectional view showing the guide groove in a conventional packaging machine, FIG. 4 is a front view schematically showing an embodiment of the present invention, FIGS. 5 and 6 are sectional views showing the guide groove, and FIG. is a partially cutaway perspective view of the same as above. 11; Packing machine body 12; Arch cover 13 i guide groove 14; outer circumferential surface 15; inner circumferential surface 16; side surface 17; passage 18; pull-out groove 19;

Claims (1)

[Claims] / A guide groove that forms a guide path for a tape in a tape packing machine, the guide groove having an outer peripheral surface, both side surfaces, and an inner peripheral surface, which are made of nylon or other flexible material. A guide groove for a tape in a tape packing machine, characterized in that the inner circumferential surface has a width of about 50 to 70% of the width of the passage formed by these members. 2. A tape guide groove in a tape packaging machine according to claim 1, wherein the inner circumferential surface is formed using an elastic material such as nylon, synthetic resin, or steel thin plate.