JPH0597106A - Spherical object packaging device - Google Patents

Abstract

PURPOSE:To constitute respective arms to be openable, and take out an object to be packaged easily even during the packaging by a method wherein folding arms, holding arms, pinching plates and pinching rods, etc., to package an object to be packaged on a packaging paper are respectively energized by an elastic material. CONSTITUTION:For a packaging unit which is contained in the main body of a packaging device, a loading table 9 on which an object to be packaged on a packaging paper is placed is provided at the center. Around the loading table 9, holding arms 10, first and second folding arms 11, 12, pinching plates 13 and pinching rods 14, etc., to package an object to be packaged are provided, and these are constituted to be vertically movable, or rotatable. In the above mentioned constitution, the first and second folding arms 11, 12 are respectively energized in the wrapping direction by an elastic material. Moreover, the holding arms 10, pinching plates 13 and pinching rods 14 are also energized by the elastic material. By this method, the above mentioned respective arms 10-14 are respectively made to be openable resisting to the elastic material, and therefore, the object to be packaged can be easily taken out even during the packaging.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a packaging device for mechanically wrapping a spherical object such as vegetables such as lettuce and fruits such as ponkan into a wrapping paper.

[0002]

2. Description of the Related Art Conventionally, in order to maintain the freshness of vegetables, fruits, etc., it has been conventionally wrapped in a synthetic resin wrapping paper and shipped, and this wrapping work was performed manually. However, the work efficiency was poor and the packaging took time and labor. Therefore, in order to save the labor of packaging, a packaging machine for mechanically packaging is known. For example, it is a technique disclosed in Japanese Patent Laid-Open No. 3-162215. In this technique, the package is placed in the center of the wrapping paper, and the wrapping paper is sequentially wrapped by four arms by urging the wrapping tool to hold down the packaged product.

[0003]

However, in the case of the conventional packaging device, when the packaging device fails in the middle of the process or the operator stops the packaging device in an emergency such as when the operator abuts on the machine, etc. Since the arm can be rotated only in the wrapping direction by the guide mechanism, it is not possible to take out the packaged item in the middle of packaging, and the packaging device may be operated to the end to damage the packaged item or the arm. There was. In addition, even if the packaged item is larger than usual, or if it is placed with a deviation, it cannot be stopped and taken out on the way, which not only damages the packaged item but also damages the machine. The value of the packaged package was to be reduced.

[0004]

In order to solve such a problem, the present invention solves the above problems by placing a placing table 9 on which the article A to be packaged on the wrapping paper 1 is placed, and a plurality of arms arranged around the placing table 9. In a mechanism for wrapping a spherical object A to be packaged by a wrapping section C made of a rod or a rod, the folding first arm 11 and the folding second arm 12 are urged in the wrapping direction by an elastic material to hold the holding arm 10 and the sandwiching plate. 13, the sandwiching rod 14 is elastically urged by an elastic material so that it can be released and taken out at any work position of the packaging work. Further, in the holding arm 10, a holding body 10a is horizontally provided on the upper end of the holding arm 10 via a hinge 10b.
The upper end of the holding band 17 is fixed to a.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The problems to be solved by the present invention and the means for solving the problems are as described above. Next, the structure of the embodiments shown in the accompanying drawings will be described. 1 is a side view of the entire packaging device of the present invention, FIG. 2 is a plan view of the same, FIG. 3 is a perspective view showing a packaging part of the packaging device, FIG. 4 is a side view of a mounting table, FIG. 5 is a side view of a holding arm, and FIG. Is a side view of the folding first and second arms,
7 is a side view of the sandwiching plate and the sandwiching rod, FIG. 8 is a front view of the same, and FIG. 9 is a side view of the lifting arm. However, FIGS. 4 to 9 are views accurately rotated by about 45 degrees.

The overall structure of the packaging device will be described with reference to FIGS. 1 and 2. On the right side of the main body of the packaging device B, the mounting table 2 for the article A to be packaged 2 is provided.
And a packaged product storage box 3 is disposed on the left side. The packaging device B is provided with a packaging unit C in the front center, a fastening device D in the upper left, and a wrapping paper supply unit E in the rear. The emergency stop switch 4 is located in the center of the front upper part, and the power switch or automatic / manual is located in the lower front. An operation panel 5 provided with a changeover switch, a twisting number setting switch of the fastening device D, and their display lamps.
, Manual switches 6a and 6b are provided on the upper left front surface, and a foot switch 7 is provided at the front part of the packaging apparatus B.

[0007] Then, in the lower front portion of the packaging device B, the packaging portion C
A cam drive motor M1 for rotating a cam drive shaft 35, which is provided with a fixed cam chain for driving the CAM, and a wrapping paper supply unit E at the upper rear part.
Of the wrapping paper conveyance motor M2, and a wrapping paper table swinging motor M for adhering one sheet on the front end of the wrapping paper 1 to the attachment 8 below
3, a fastening device turning motor M4 for reciprocally turning the fastening device D to the packaging portion C is installed in the upper part thereof, and inside the fastening device D, an elevating motor M5 for operating the chuck and moving the head 67 up and down, A pinhole motor M6 for rotating the chuck body 70 is incorporated.

In the overall structure as described above, when the packaging work is automatic, the operator turns on the power supply and the operator depresses the foot switch 7 from the standby state. When the operator is transported to the upper part and picks up the article A to be packed from the mounting table 2 and mounts it on the mounting table 9 of the packaging section C, which will be described later, the sensor detects and the packaging section C performs the packaging, and the fastening is performed. The device D pivots to the packaging section C, fastens and returns, and the operator puts the packaged product into the storage box 3. And foot switch 7
The above operation is repeated when is depressed. Since the fastening device D rotates the front of the operator to the left and right, it is dangerous to have a face or a hand on the packaging portion C above the packaging table 20. Therefore, when the foot switch 7 is stepped on, the packaging portion C operates. However, it is possible to automatically operate the wrapping paper supply unit E when the wrapping is completed. In the case of manual operation, when the manual switch 6a or the foot switch 7 is turned on, the wrapping paper 1
Is supplied, and when the manual switch 6b is pressed, the packaging section C
Then, the fastening device D is sequentially operated.

The structure of the packaging section C, which is the main part of the present invention, will be described in detail. A substantially T-shaped opening 20a is provided in the center of the packaging table 20 as shown in FIG. 2, and the center of the opening 20a is provided. When the folding guides 21 and the sensor 22 for detecting the object A to be packaged are provided in the portion, the folding guide 21 performs the initial folding of the wrapping paper, and the sensor 22 automatically performs the wrapping operation. When the article A to be packaged later fails to be picked up, and the article A to be packaged still exists on the mounting table 9, the fastening device D is prevented from rotating to the front.

The packaging unit C housed in the body of the packaging device B
As shown in FIGS. 3 to 9, a mounting table 9 is arranged in the center, and a holding arm 10 and a folding first arm 1 are provided around the mounting table 9.
1, a second folding arm 12, a sandwiching plate 13, a sandwiching rod 14, and a lifting arm 15 are arranged, and are configured to be lifted or rotated by the rotation of a driven arm that is in contact with a cam.

As shown in FIG. 4, the mounting table 9 has sponges 9a, 9a, ...
. Is fixedly mounted, the support rods 9b, 9b ... Are projected on the bottom face and inserted into the insertion holes opened on the support base 23, and the support rod 23a is protruded on the central back face of the support base 23. It is supported by the support pipe 25 so that it can descend a certain distance via a spring, and a switch 26 is provided at the descending position thereof. When the article A to be packaged is placed, the switch 26 is turned on to drive the cam drive motor M1. Then, the roller 30a at the tip of the driven arm 30 pivotally supported at the center is brought into contact with the lower end of the support pipe 25, and the roller 30b at the other end of the driven arm 30 is attached to the cam 36. When the cam 36 is brought into contact with the driven arm 30, the driven arm 30 is rotated to raise and lower the mounting table 9.

A pair of left and right holding arms 10 are provided as shown in FIGS. 3 and 5, and one of them will be described. The upper portion is bent in an inverted L shape, and the holding body 10a is horizontally extended via a hinge 10b at the tip. An upper end of a holding band 17 made of a flexible synthetic resin or the like is fixed to the holding body 10a so that the holding band 17 hangs downward so that the hinge 10b can rotate when the article A to be wrapped is wrapped. The holding band 17 softly wraps the article A to be packaged from below, so that the wrapping paper 1 is brought into close contact with the article A to be packaged. Both sides of the holder 10a are formed in a ring shape so that the rubber cord 16 can be locked.

A lower end of the holding arm 10 is pivotally supported by a shaft 27, and an arm 10c is projected downward to pivotally connect with a link 29, and a lower end of the link 29 pivotally connects with an upper part of an elevating rod 42, and the elevating rod 42. A spring 43, which is an elastic material, is externally fitted to the lower portion of 42, and one end of the driven arm 31 of the washer 44 locking the spring 43 is brought into contact with the roller 31a at the other end of the driven arm 31 to the cam 37. Abutted. Therefore, the driven arm 31 is rotated like a seesaw by the rotation of the cam 37 to raise the elevating rod 42, and the holding arm 10 is rotated to the center with the lowering of the mounting table 9 of the article A to be packaged. The upper part and the lower part are wrapped with the wrapping paper 1, and the holding arm 10 can be lowered by the amount of contraction of the spring 43 even if the holding arm 10 is located at the raised position by the spring 43. You can take it out.

The first folding arm 11 and the second folding arm 12 are arranged so as to face each other as shown in FIGS. 3 and 6, and are formed in a U shape in a front view, and have a triangular shape in a plan view at the upper end. The folding plates 11a and 12a made of synthetic resin are fixedly provided as curved surfaces so as to follow the shape of the article A to be packaged when viewed from the front. The folding plates 11a and 12a are T-shaped so that the stays 47 and 48 have a curved base side.
First folding arm 11 and second folding arm 12
It is fixed to. Then, the rubber cord 16 is locked to the stays 47 and 48.

Further, a chuck auxiliary guide 49 is fixedly provided on the upper surface of the tip of the second folding arm 12, so that when the corner of the wrapping paper 1 is lifted, the tip of the guide stands upright. The lower ends of the folding first arm 11 and the folding second arm 12 are pivotally supported by shafts 45 and 46,
The base is pivotally connected to the links 50 and 51,
The other end of 51 is pivotally connected to the driven arms 32a and 32b, and the rollers 32c and 32d at the other ends of the driven arms 32a and 32b.
Are pulled by springs 19 and 19 which are elastic members and are in contact with the cams 38a and 38b, respectively.

Therefore, the first folding arm 11 and the second folding arm 12 are opened by abutting the cams 38a and 38b, and are rotated to pull the rollers 32c and 32d by the springs 19 and 19 so that the cam shafts are pulled. When it is turned to the 35 side, the links 50 and 51 are pushed, and the folding first arm 11 and the folding second arm 12 are sequentially rotated, and the folding second arm 12 is rotated from above the folding plate 11a to be packaged. It wraps the paper 1. At this time, even in the case of an emergency stop, the folding first arm 11 and the folding second arm 12 can rotate outward against the springs 19 and 19, and the article A to be packaged can be taken out. Of.

As shown in FIG. 3, FIG. 7, and FIG. 8, the sandwiching plate 13 and the sandwiching rod 14 are arranged facing each other in two sets, front and rear, and the sandwiching plate 13 has sponge 13a or the like attached to the opposite side faces. To prevent damage when sandwiching the wrapping paper 1, and to form an inverted L shape with a curved inside so that the upper inner end 13b extends to the center side as much as possible to accommodate the size of the object A to be packaged. Then, the wrapping paper 1 can be sandwiched. The sandwiching rod 14 is located inside the sandwiching plate 13 and below the upper inner end 13b, and the ring portion 1 through which the rubber cord 16 is inserted at the upper end.
4a is provided, and the lower end is fixed to the shaft 52.

The lower end of the sandwiching plate 13 is also fixed to the shaft 52, an arm 57 is fixedly mounted on the shaft 52, 52, and the other ends of the arms 57, 57 are pivotally connected to links 54, 54.
The lower ends of the links 54 and 54 are pivotally connected to the elevating rod 53, and a spring 55, which is an elastic material, is externally fitted to the lower part of the elevating rod 53 and locked by a washer 56, and the link is closed like the holding arm 10. Even in the state, it can be opened against the spring 55. Follower arm 3 of the washer 56
3, one end of the driven arm 33 is abutted, the roller 33a at the other end of the driven arm 33 is abutted on the cam 39, and the raising and lowering rod 53 is raised via the driven arm 33 by the rotation of the cam 39, and the sandwiching plate 13 and The sandwiching rod 14 is closed and the corner 1 of the wrapping paper 1 is closed.
The sleeve of b.1d is sandwiched. Then, the push-up arm 15, which will be described later, is kept closed until it rises, and at this time, the rubber cord 16 makes the wrapping paper 1 wrapping the object A to be wrapped in a spherical shape and closely adheres to it, so that the shape is neatly arranged. Then, the sandwiching plate 13 and the sandwiching rod 14 are opened thereafter.

As shown in FIGS. 8 and 9, the push-up arms 15 are arranged in a pair on the left and right sides, and the upper portion thereof is formed in a V shape in a front view, and the upper end is provided with a horizontal rod 15a. The horizontal rod 1
The center of 5a is formed in a concave shape, and the pushing up arm 1 is formed in the concave portion.
At the time of raising 5, the sleeves of the wrapping paper 1 are put together. A sponge 15b is attached to the inside of the lower portion of the push-up arm 15 that is bent in a "V" shape so that the wrapping paper 1 is closely attached to the article A to be packaged when the push-up arm 15 is raised. The central portion of the push-up arm 15 is the pipe 5
9, the pipe 59 is pivotally supported by a shaft 60, and when the push-up arm 15 rises, the wrapping paper 1 is wrapped along the article A like the trajectory F of the horizontal rod 15a shown in FIG. The pipe 59 rotates to guide the push-up arm 15. The lower end of the push-up arm 15 is in contact with the driven arm 34, and the roller 34a at the other end of the driven arm 34 is connected to the cam 4 by the cam 4.
0, and the driven arm 34 is rotated by the rotation of the cam 40.
The push-up arm 15 is raised via the, and the upper end is pushed up in a parabolic shape as described above. The push-up arm 15 was lowered by the weight of the driven arm 34. However, since the push-up arm 15 and the driven arm 34 may be caught during the lowering, the weight 61 is attached to the lower end to force the descent. Alternatively, the lower end of the push-up arm 15 and the tip of the driven arm 34 are connected by a chain or the like so as to eliminate a catch and to surely descend.

As described above, since the wrapping paper 1 is opened as it is wrapped in the wrapping section C, the corners gathered at the upper end are fastened by the fastening apparatus D. In this embodiment, the fastening device D has its corners twisted, but it may be heated to melt and fuse, or a seal may be attached. As shown in FIG. 1, the fastening device D of the present embodiment has an inverted L-shaped arm 65 protruding upward from the side of the body of the packaging device B.
A fastening device D is provided at the tip.

[0021]

With the above-mentioned structure, the structure according to claim 1 is adopted. Therefore, even if the packaging device is stopped during the packaging, each arm can be opened against the spring, which is an elastic material. You can now take out the wrapping paper, you can stop the failure of the wrapping and try again, or you can take out before it is damaged by the arm etc., it will be easier to perform maintenance etc. It no longer hurt.

Further, according to the second aspect of the invention, when the holding arm is lifted up, the article to be wrapped can be wrapped softly in the holding band so that the wrapping paper can be brought into close contact with the article to be wrapped, and the package is finished cleanly. At the same time, they were able to wrap the items without damaging them.

[Brief description of drawings]

FIG. 1 is an overall side view of a packaging device of the present invention.

FIG. 2 is a plan view of the same.

FIG. 3 is a perspective view showing a packaging unit of the packaging device.

FIG. 4 is a side view of a mounting table.

FIG. 5 is a side view of a holding arm.

FIG. 6 is a side view of a folding arm.

FIG. 7 is a sectional view of a sandwiching plate and a sandwiching rod.

FIG. 8 is a front view of the same.

FIG. 9 is a side view of a push-up arm.

[Explanation of symbols]

 A wrapping object B wrapping device C wrapping section 1 wrapping paper 9 mounting table 10 holding arm 10 10a holding body 10b hinge 11 folding first arm 12 folding second arm 13 sandwiching plate 14 sandwiching rod 17 retaining band

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Seto Takeno 1-32, Chayamachi, Kita-ku, Osaka-shi, Osaka Yanma Agricultural Machinery Co., Ltd.

Claims (2)

[Claims] 1. A spherical article A is packaged by a placing table 9 on which the article A to be packaged on the wrapping paper 1 is placed, and a packaging section C including several arms and rods arranged around the table 9. In the mechanism, the folding first arm 11 and the folding second arm 12 are biased in the wrapping direction by an elastic material, and the holding arm 1
0, the sandwiching plate 13, and the sandwiching rod 14 are elastically urged by an elastic material so that they can be released and taken out at any work position of the packaging work. 2. The holding arm 10 according to claim 1, wherein a holding body 10a is laterally provided on an upper end of the holding arm 10 via a hinge 10b, and an upper end of a holding band 17 is fixed to the holding body 10a. Spherical object packaging device.