JPH0433202Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Field of Application and Outline of the Invention) The present invention relates to an arch of a device for packaging items while being placed on a pallet, and includes a band hanging through the fork insertion hole of the pallet, This is to prevent poor running of the band at the lower side portion of the band guide path when strapping the band along the lower surface of the pallet.

(Prior art and its problems) An arch connecting device as described above has already been disclosed in Japanese Utility Model Publication No. 59-27362, and this device enables packaging as shown in FIG. 5.

For this reason, this device has an overall structure as shown in Fig. 6, in which a main body 1 equipped with a band feeding/retracting mechanism and a welding mechanism is positioned above the conveyor line, and this main body is connected to a pair of supports. 11,12
a first band guide 13 provided on the support support 11, with the support support being positioned on both sides of a band running section provided so as to cross the conveyor line;
and a second band guide 14 provided on the support column 12;
A pair of third and fourth band guides 2 and 3 provided in the conveyor line constitute a band guide path A for guiding a packing band.

The third band guide 2 is a band guide for hanging a band through the fork insertion hole 41 of the pallet 4, and is composed of a pair of movable guides 21, 21, and retreats from the conveyor line when the pallet is traveling, and when packing, The fork is inserted into the fork insertion hole 41, and its tip abuts on the same axis.

On the other hand, the fourth band guide 3 is fixed below the third band guide, and connecting guides 31 and 32 are provided at both ends of the fourth band guide 3 so as to be swingable and always biased in a certain direction. When the third band guide 2 is in the retracted state, the fourth band guide 3 is connected to the first and second band guides 13 and 14 via the connecting guides 31 and 32.

In the conventional device described above, the fork insertion hole 41 of the pallet 4 and the first and second band guides 13, 1
4 match, the third band guide 2 is used to insert the band into the fork insertion hole 41 and perform banding (hereinafter simply referred to as inner packaging), and then the posture of the item to be packed is rotated 90 degrees. After being forced, it is placed between pillars 11 and 12,
a fixed fourth band guide 3 and a connecting guide 31;
32 is used to attach a band to the underside of the pallet 4 (hereinafter simply referred to as outer packaging).

However, with this conventional method, when packaging the outside,
The packing band easily escapes from the connecting guides 31 and 32 when feeding the band.

During inner packaging, the movable guides 21, 21 constituting the third band guide 2 are connected to the connecting guides 31, 32.
This is because the connecting guide is swung from its initial position by pushing in, and the connecting guide is not provided with a flap that surrounds the band. That is, the connecting guide is simply plate-shaped, and is configured to allow the traveling band to easily escape.

(Technical Problem) The present invention is a packing machine as described above that inserts a packing band into a rectangular band guide path A, and then pulls back the band in this band guide path. A movable third band guide 2 and a fixed fourth band guide 3 located below this are provided at the lower side, and the third band guide 2 is used to hang a band through the fork insertion hole 41 of the pallet 4. , in a packaging machine that uses the fourth band guide 3 to pass the band through the lower surface of the pallet 4, in order to prevent band guide defects such as the running band popping out at the lower side of the band guide path A, a third band guide 3 is used. The technical problem is to make the fourth band guide and the following band guide path continuous via a band guide path A surrounded by a flap.

(Means and effects) Below, the technical means and effects of the present invention taken to solve the above technical problems are shown in Figures 1 to 4.
This will be explained based on the diagram.

In the device of the present invention, the main body 1 and the supports 11 and 12
Furthermore, the relationship between the first and second band guides 1
The configuration of 3 and 14 is similar to the conventional one,
The third band guide 2 is a single guide path equipped with a flap, and one of the second band guides 1
The third band guide 2 is disposed on the fourth side, and is moved between the first and second band guides 13 and 14 by a signal corresponding to inner packaging, and is moved between the first and second band guides 13 and 14 by a signal corresponding to outer packaging. , the operation is set to retreat from the second band guides 13 and 14.

Also, the second band guide 1 of the third band guide 2
The end connected to the third band guide 4 is provided with a corner part 22 that is bent upward and continuous with the second band guide 14 in the most advanced state, and the other end coincides with the moving direction of the third band guide 2. It is a horizontal part.

Next, connection guides 31 and 32 are provided at both ends of the fourth band guide 3.
1, the band guide path A connects to the first band guide 1.
3, and the band guide path is connected to the second band guide 14 via the other connecting guide 32, and both of these connecting guides 31 and 32 are at the same height as the third band guide 2. provided.

Here, the connecting guide 31 has a configuration as shown in FIGS. 2 and 3, and includes a U-shaped band passage, and is composed of a pair of flap-shaped guides 33, 33 that are symmetrical to each other. , these flap-shaped guides 33, 33 are pivoted by fulcrum shafts 37, 37 so as to be able to open in both directions, and furthermore, this fulcrum shaft is pivoted at its lower end so as to swing parallel to the plane of the band guide path A. , the swing range of this fulcrum shaft is regulated to be constant. Further, the pair of flap-shaped guides 33, 33 are always urged in the closing direction by the spring 51, and the connecting guide 31 as a whole is urged by the spring 52 to swing outward. It is adapted to be driven to swing by an electromagnetic solenoid 6 in the opposite direction to the direction of rotation. This connecting guide 31 includes flap-shaped guides 33, 33.
and the substrate 61, two passages with a U-shaped cross section are provided, one of which is connected to the connecting guide 31.
A first passage 34 bent in an arc shape and located inside the
The other end is a second passage 35 facing one end of the lower fourth band guide 3.

Therefore, in the outer packaging state, the upper end of the connecting guide 31 is pushed out by the electromagnetic solenoid 6, and the first band guide 1
3 and one end of the fourth band guide 3 are in a continuous state, and conversely, in the inner packaging state, the electromagnetic solenoid 6
becomes inoperative, and the upper end of the connecting guide 31 is swung outward by the urging force of the spring 52, so that the upper end of the first passage 34 is connected to the first band guide 13.
On the other hand, the lower end (inner end) of the first passage 34 coincides with the tip of the third band guide 2.

Next, the structure of the connecting guide 32 is as shown in FIG. 4, and it is comprised of a pair of flap-shaped guides 36, 36 that are symmetrical to each other and have a band passage with a U-shaped cross section, and are opened in both directions by fulcrum shafts 38, 38. possible to be pivoted.

The distance between the fulcrum shafts 38, 38 is set larger than the width of the third band guide 2, and the flap-shaped guides 36, 36 are both always urged in the closing direction by a spring 53. It is disposed so as to connect the lower end of the band guide 3 to one end of the lower fourth band guide 3, and is provided at a height that coincides with the horizontal movement locus of the third band guide 2.

Therefore, at the time of external packaging, the flap guides 36, 36 of the connecting guide 32 are closed by the spring 53, and the band passages formed in the flap guides 36, 36, which have a U-shaped cross section, are connected to the band passages, which have a rectangular cross section. This becomes a closed passage, and the lower end of the second band guide 14 and one end of the lower fourth band guide 3 are continuous through this passage, and the band guide path A is connected. Conversely, when the third band guide 2 advances, the flap-shaped guides 36, 36 are pushed apart against the spring 53, and these flap-shaped guides 36, 36 are positioned on both sides of the third band guide 2. .

Next, in the band guide path A of the third band guide 2, a corner portion 22 is provided at the end corresponding to the second band guide 14, and a pair of flaps 23, 23 which are always biased in the closing direction are provided. In addition, the lower end of the second band guide 14 and the upper end of this corner portion 22 are arranged to coincide with each other in the most advanced state.

Therefore, when packing inside, the third band guide 2
The tip of the third band guide 2 contacts the connecting guide 31, and one end of the band guide path A of the third band guide 2 is connected to the first band guide 13 via the first passage 34, and at the same time, the second band is connected via the corner portion 22. Guide 14
It will be connected to

Therefore, in this case, the band sent out from the main body 1 goes from the first band guide 13 to the first passage 34.
The vehicle travels along the following route: -> third band guide 2 -> corner section 22 -> second band guide 14, or the reverse route.

In the above description, whether inner packing or outer packing is performed is predetermined in relation to the position or posture of the objects to be packed moving on the conveyor line.

Further, the swinging fulcrum of the connecting guide 31 can be provided at the upper end, and in this case, the first passage 34 is moved to the first position by the advancing movement of the third band guide 2.
It is sufficient if it is continuous with the band guide 13.

(Effects) Since the present invention has the above configuration, it has the following unique effects.

Similar to the other band guide paths A, the connecting guides 31 and 32 are formed with a path for the band to travel with a closed cross section, so that the band can be prevented from coming off at this part as in the conventional case, and packaging defects can be prevented. can.

[Brief explanation of drawings]

Fig. 1 is an explanatory diagram of the main parts of the present invention, Figs. 2 and 3 are detailed views of the connecting guide 31, Fig. 4 is a sectional view of the connecting guide 32, and Figs. 5 and 6 are explanations of the conventional example. In the figure, 1... Main body, 11, 12... Support, 13... First band guide, 14... Second band guide, 2
...Third band guide, 22...Corner section, 3...
...Fourth band guide, 31, 32... Connection guide, 33, 36... Flap-shaped guide, 34...
1st passage, 35...2nd passage, A...band guide path.

Claims (1)

[Scope of utility model registration request] This is a packaging machine that inserts a packing band into a rectangular band guide path A and then pulls out the band in this band guide path. The third band guide 2 is used to attach a band through the fork insertion hole 41 of the pallet 4, and the fourth band guide 3 is used to attach a band to the lower surface of the pallet 4. In a packaging machine that performs passing-through banding, the third band guide 2 has a corner portion 22 at one end that smoothly continues to the second band guide 14 in the longitudinal direction following this band guide, and a corner portion 22 at the other end. The corner portion 22 is provided with a flap that surrounds the band guide path A, and both ends of the third band guide 2 are connected to each other via connecting guides 31 and 32 that are provided with a pair of flaps. It is connected to the first and second band guides 13 and 14 following both ends, and these connecting guides 31 and 32 are both composed of a pair of flap-shaped guides that can be opened on both sides at right angles to the band running direction. The flap-shaped guides 33, 33 of the connecting guide 31 following the above can be adjusted in attitude even in the plane formed by the band guide path A with the upper end or the lower end as a fulcrum.
A first passage 34 whose lower end is bent toward the distal end of the
and a second passage 35 toward one end of the lower fourth band guide 3, and further, the third band guide 2 connects the lower ends of the first and second band guides 13 and 14 by a predetermined signal. The third band guide 2 is configured to advance and retreat horizontally on a line, and when the third band guide 2 advances, the pair of flap-shaped guides 3 of the connecting guide 32
6 and 36 are pushed out from behind, and in the most advanced state, the tip of the third band guide 2 and the first passage 34 coincide, and conversely, in the retracted state of the third band guide 2, the second passage 35 and one end of the fourth band guide 3, and the flap-shaped guides 36, 3
6 is in a closed state, and the connecting guide 3
1 assumes a posture in which the third band guide 2 is connected to the first band guide via the first passage 34 when the third band guide 2 advances, and connects the first band guide and the fourth band guide to the second passage 35 when retreating. An arch connecting device for a pallet packing machine configured to adjust its posture so that it connects through the pallet packing machine.