JPS6341295Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an automatic packaging device for a compression packing machine for textiles, etc.

[Conventional technology]

FIGS. 1 to 6 show an example of a conventional compression packing operation. First, as shown in FIG. 1, fibers 2 to be compressed and packed are packed into a box 1 that is open at the top and bottom.

On the other hand, as shown in FIG. 2, the upper compression plate 4 attached to the upper cylinder 5 has a packaging material 3 attached to its lower surface, and the lower compression plate 7 attached to the lower cylinder 8 has A packaging material 6 is attached to the upper surface of the packaging material 6, and the fibers 2 in the box 1 are sandwiched between them. Next, as shown in Fig. 3, the upper cylinder 5
descends and compresses the fibers 2. When the force of the upper cylinder 5 exceeds the holding force of the lower cylinder 8, the lower compression plate begins to descend and slips out under the box 1 while keeping the fibers 2 compressed, resulting in the state shown in Fig. When the compression is completed, it is wrapped by the upper and lower packaging materials 3 and 6. Then, as shown in FIG. 5, a plurality of bands 9 are hung using the band hanging grooves 10. After the band is applied, the upper compression plate 4 rises as shown in FIG. 6, and due to its repulsive force, the compressed fibers swell in the vertical direction in an attempt to restore to their original size, but the size is such that it balances the tension of the band 9. The package 11 becomes stable as shown in FIG. However, the conventional package 11 is not in the ideal packaging state as shown in FIG. 8, and as shown in FIG.
This has drawbacks such as protrusion of packaged items and poor appearance, and conventional methods of sewing and taping by hand
This needed to be addressed.

[The problem that the idea attempts to solve]

Conventionally, in order to deal with this, for example,
Publication No. 147272 is equipped with a plate that folds down the packaging material applied to the top surface of the object to be packed, and an arm that lifts and lowers by clamping the four corners of the packaging material applied to the bottom surface of the object to be packed. Although efforts have been made to automate and save labor in packaging, it is still not possible to eliminate the above-mentioned sag.
In the publication, the four corners of the packaging material applied to the top surface of the object to be packed are clamped and the excess portion is pulled and folded into a triangular shape, and the packaging material is equipped with an arm that comes into contact with the circumferential surface of the object to be packed. Although efforts are being made to automate the process, no consideration has been taken to eliminate the slack mentioned above.

The present invention was proposed in view of the above points, and its purpose is to eliminate the slack in part a shown in Fig. 7 and create the ideal packaging condition as shown in Fig. 8 without human intervention. It is an object of the present invention to provide an automatic packaging device for a compression packaging machine that can meet the needs for labor saving and complete automation of the packaging process, which have been rapidly increasing in the textile industry in recent years.

[Means to solve the problem]

The present invention is an automatic packaging device for a compression packaging machine that wraps compressed items in rectangular packaging material, the device comprising: an arm that has clamping means for clamping each of the four corners of the packaging material and that folds the packaging material onto the side of the item after compressing the item; a drive means for the arm; a folding arm that has clamping means for clamping each of the four corners of the packaging material folded by the arm, and that folds the excess portion of the packaging material onto the side of the item and moves the folding arm in a direction that tightens the end surface of the packaging material of the item after folding; a means for moving the folding arm in the direction that tightens the end surface of the packaging material of the item; and a crease bar that is capable of being raised and lowered at least at the four corners of the item and that smooths out the end surface of the packaging material to define a fold line.

[Effect]

The folding arm having a clamp means folds the packaging material while clamping the four corners of the packaging material, and then clamps the four corners of the packaging material with the folding arm and raises the folding bar to fold the fold line. The folding arm is moved in the direction of tightening the end face of the packaged object of the packaging material to eliminate slack in the end face of the packaged object. Therefore,
After compression is completed, the four corners of the packaging material are clamped in advance during packaging, and after the packaging material is folded, the packaging material is further tightened, and a band can be applied to release the compression force. The sag at the edges of the package is dramatically reduced compared to conventional products, and not only the ability to preserve the contents but also the appearance are significantly improved.
Operations such as sewing and taping can be made unnecessary.

〔Example〕

The present invention will be explained below based on an embodiment shown in FIGS. 9 to 21.

Components that are the same as those in the prior art are designated by the same reference numerals, and descriptions thereof will be omitted.

In FIGS. 9 to 21, 20 connects the shaft 21 to the lower compression plate 7 via brackets 28 and 29.
The front folding arm is rotatably mounted around the front folding arm, and is rotated by a cylinder 22.

A clamp 23 for gripping the packaging material 6 is attached to the tip of the front folding arm 20 so as to be rotatable around a shaft 24, and a cylinder 25 and a gear 2
6. The link 27 rotates from the chain line position to the solid line position shown in FIG. 12, and the four corners of the packaging material 6 are clamped between the clamp 19 protruding from the front folding arm 20.

Reference numeral 30 denotes a folding arm that is installed on two carts 31 and 31' that can be moved to the packing position by means of cylinders 40 and 40', and that can rotate around a shaft 32, and that can be rotated by an air motor 33 at the tip. It has a clamp 34, clamps the corner part of the packaging material 6 clamped to the clamp 23 of the front folding arm 20, and can receive the packaging material 6 from the front folding arm 20. The ivy folding arm 30 is rotated by a cylinder 35 around a shaft 32 by a predetermined angle so that the excess portion of the packaging material 6 can be folded to the side.

Furthermore, the folding arm 30 is not directly attached to the carts 31, 31', but is provided via frames 36, 37 that are movable in two different directions.
1', the cylinder 38 can move parallel to the running direction of the carts 31, 31', and performs the tightening operation after folding the packaging material 6, and the frame 37 can move parallel to the running direction of the carts 31, 31' with respect to the frame 36. It can be moved by a cylinder 39 at right angles to the folding member 6, thereby improving reliability when folding the packaging material 6 and avoiding mechanical interference when the carts 31 and 31' are traveling.

Reference numeral 50 denotes six folding rods provided at the lower part of the periphery of the package. These rods are elongated rods of the cylinder 51, and are raised and lowered by the operation of the cylinder 51 to ensure reliability when folding the packaging material 6. It works to enhance.

60 is a pin 61 built into the upper compression plate 4.
With a holding arm rotatable about the cylinder 62,
The rack 63 and pinion 64 allow rotation from the solid line position shown in FIG. 14 to the chain line position. A sharp needle-like object 65 is provided at the tip of this holding arm 60, so that the folding arm 30 can increase the reliability when holding the packaging material 6 after folding and tightening the packaging material 6. It's getting old.

Next, the effect will be explained.

Figure 16 shows the upper packaging material 3 after the specified compression is completed.
is properly folded. The front folding arm 20 clamps the four corners of the packaging material 6 in the lowered position, and the front folding arm 20 is attached to a cart 3 on which the folding arm 30 is mounted.
1 and 31' are waiting on the side. Crease bar 50
is in the lowered position and the holding arm 60 is raised. Packaging starts from this state. First, the clamp 23 at the tip of the front folding arm 20 is
By rotating the packaging material 6 with the corners clamped, the packaging material 6 is folded into a state in which the front and rear portions thereof stand vertically as shown in FIG. 17.

Next, six crease bars 50 are raised. The four lines at the four corners define folding lines to make folding of the packaging material 6 by the folding arm 30 easy and secure, and the two lines on both sides define the folding lines for folding the packaging material 6 by smoothing the end surface of the packaging material 6. This increases the reliability of folding the material 6.

After that, as shown in FIG.
The carts 31, 31' carrying 0 move from the standby position shown by the chain line in FIG. When the clamp 23 of the front folding arm 20 is released, the packaging material 6 is received and the excess portion of the packaging material 6 is folded to the side as shown in FIG. 19 by the operation of the cylinder 35. Do the following. After the folding is completed, the crease bars 50 are all lowered.

Next, remove the end face of the package (a shown in Figure 7).
folding arm 3 to reduce slack in
0, as shown in FIG. 20, the cylinder 38 performs a tightening operation further toward the center, and then the cylinder 62 provided on the upper compression plate 4 is activated, and the holding arm 60 is lowered to remove the packaging material. Hold 6 in a tightened state. Thereafter, the clamp 34 of the folding arm 30 is released, and the carts 31, 31' carrying the folding arm 30 return to the standby position, and as shown in FIG. It is multiplied by 9.

When the upper compression plate 4 is raised from the state shown in FIG. 21, packaging is completed and a packaged item in an ideal packaging state with no gaps at the end face as shown in FIG. 8 is completed.

The above series of operations can be performed without any human intervention by combining various drive devices, control devices, and detection devices.
This is done fully automatically.

[Effect of the invention]

As described above, the present invention provides the following effects.

(1) When wrapping a packaged item, a series of folding operations can be performed while a part of the packaging material is securely clamped by the machine. By tightening and holding the band again, the band is applied, and the compression is released to complete the packaging. This reduces the sag at the edges, which is unavoidable with conventional packaging forms, to nearly zero. .

(2) As a result of the above, it is possible to completely prevent foreign matter from entering the finished package and the contents of the package to protrude, thereby significantly improving the appearance of the finished package.

(3) In addition, in conventional packaging work, a worker was indispensable for sewing or taping the slack on the end face, but with the adoption of the device of this invention, this human labor is no longer necessary, resulting in labor savings. At the same time, it also helps improve safety.

[Brief explanation of the drawing]

1 to 6 are explanatory diagrams of the operation of the conventional device, FIGS. 7 and 8 are perspective views showing the packed state, and FIG.
Figures 21 to 21 are diagrams showing an embodiment of the present invention,
Figure 9 is a plan view of the main part, Figure 10 is A of Figure 9.
11 is a side view of FIG. 10, FIG. 12 is a side view of the front folding arm, FIG. 13 is a plan view of FIG. 12, FIG. 14 is a side view of the holding arm, and FIG.
The figure is a plan view of FIG. 14, and FIGS. 16 to 21 are operation explanatory diagrams. 2: Fiber, 3, 6: Packaging material, 4, 7: Compression board,
20: Front folding arm, 23: Clamp, 30: Folding arm, 31, 31': Dolly, 34: Clamp, 36, 37: Frame.

Claims (1)

[Scope of utility model registration request] An automatic packaging device for a compression packing machine that wraps a compressed object in a rectangular packaging material has a clamping means for clamping each of the four corners of the packaging material, and after compressing the object to be packed, the packaging material is An arm that folds onto the side of the object to be packaged, a driving means for the arm, and a packaging material folded by the arm.
a folding arm having clamping means for clamping each corner of the packaging material, and folding the excess portion of the packaging material onto a side surface of the object to be packed, and moving in a direction to tighten an end surface of the packaging material after folding; means for moving the folding arm in the direction of tightening the end face of the packaged object; and a folding bar that is movable up and down in at least four corners of the packaged object and that smoothes the end face of the packaging material to define a fold line. An automatic packaging device for a compression packaging machine, characterized by comprising: