JP2799653B2 - Package transfer equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a method for separating and packing a package of contents by sealing the periphery thereof, cutting the package with a cutter, placing the package on a conveyor disposed below, and feeding the package to the next step. The present invention relates to a device for transferring packages.

[0002]

2. Description of the Related Art Conventionally, in a bag making / packing / filling machine for making a packaged product such as a bath salt, contents such as a bath salt are packed in a bag, for example, in 12 rows, and from the row, for example, 3 packets are packed. , And cut by a cutter so as to separate them in the longitudinal direction, thereby producing four packages of three packages each.

[0003] Then, the cut three packaged products are suction-held and transferred onto a conveyor while being suctioned and held. In the next stacking step, the packaged products are stacked, for example, into seven pieces, and then the seven pieces are separated. The final product was produced by banding and packing the package with tape.

[0004] In the structure of a conventional transfer device for sucking and holding the packaged articles, a rotating arm that rotates by a rotating shaft is arranged between a lower portion of the cutter and immediately above the conveyor, and a separating arm is provided at a tip of the rotating arm. As a holding portion for holding the package, a suction nozzle for sucking the center of the package is arranged, and further, a backing plate is arranged behind the package.

[0005] However, in the conventional transfer device, when the packaged product is sucked and held, the packaged product is pressed against the backing plate side.
Since the suction nozzle is pressed against the center of the packaged product to hold the packaged product by suction, the packaged product may be damaged by the suction nozzle and the sealing property of the contents may be impaired.

[0006] Further, in the case of holding by suction with the suction nozzle, a mechanism for pressing the suction nozzle against the package is required, and the suction nozzle is connected to suction means such as a suction blower via a predetermined opening / closing valve. Need to be done.

That is, not only a mechanism for pressing the suction nozzle, but also a sensor for detecting the position of the suction nozzle,
Various sensors for adjusting the opening and closing timing of the on-off valve for holding the packaged product and for separating the packaged product are required, and the apparatus is complicated.

SUMMARY OF THE INVENTION The present invention solves the above-mentioned problem, and holds a cut packaged product on a conveyor with a simple structure without damaging the content so as to affect the sealing property. It is an object of the present invention to provide a transfer device for a packaged product that can be placed on a package.

[0009]

A transfer apparatus according to the present invention places a packaged product cut by a cutter after sealing the periphery and continuously packing the contents on a conveyor arranged below. When sending to the next process, the holding device disposed at the tip of a rotating arm that rotates between the lower part of the cutter and immediately above the conveyor, and the transfer device of the packaged goods to be transferred, wherein The holding part is a substantially U-shaped gripping part having a bottom wall and two side walls for holding the seal part of the packaged article, and the gripping part is configured to set one of the substantially U-shaped side walls to the arm tip. And the other side wall is configured as a moving claw that is urged toward the fixed claw side in opposition to the fixed claw, a regulating seat is provided on the moving claw, and the vicinity of the cutter and the It is provided above the conveyor, and the gripper is located below the cutter. An abutting portion that abuts the regulating seat when placed, and the regulating seat when the grip portion is disposed immediately above the conveyor, and separates the movable claw from the fixed claw; It is characterized by having been done.

[0010]

In the transfer apparatus according to the present invention, when the package cut by the cutter falls, the grip portion is arranged. At this time, the contact portion arranged near the cutter comes into contact with the regulating seat of the grip portion, and separates the movable claw from the fixed claw. Therefore, the packaged product is stored between the movable claw and the fixed claw with the surrounding seal portion abutting against the bottom wall of the grip portion.

[0011] Then, the rotating arm rotates to place the gripping portion directly above the conveyor. At this time, when the gripping part is separated from the cutter part, the contact part near the cutter separates from the regulating seat, so that the movable claw is urged toward the fixed claw side and moves, and the package is separated by the movable claw and the fixed claw. While holding the seal portion, the packaged product is transferred in that state.

Further, when the gripping portion is disposed immediately above the conveyor, the contact portion disposed above the conveyor comes into contact with the regulating seat, so that the movable claw is separated from the fixed claw, and the movable claw and the fixed claw are separated. The packaged product holding the seal portion is separated from the holding portion placed on the conveyor.

[0013] Thereafter, in order to hold the next packaged item, the rotating arm arranges a holding portion below the cutter and waits.

Therefore, in the packaged product transfer device according to the present invention, the holding portion at the tip of the rotating arm is utilized by using the fixed claw and the movable claw urged toward the fixed claw and provided with the regulating seat. The package can be transported with a simple configuration that constitutes the (gripping portion) and only arranges the contact portion at a predetermined position.

Further, in the packaged product transfer apparatus according to the present invention, the packaged product is gripped and transported by a seal around the packaged product. It is configured so that even if it is gripped, it does not cause any damage that impairs the sealing performance of the packaged product.

[0016]

An embodiment of the present invention will be described below with reference to the drawings.

The transfer device M of the embodiment is provided as an accessory of the bag making, packaging and filling machine, and is disposed between the cutter 1 and the conveyor 5 as shown in FIG.

Briefly describing the production of the package W by the bag making / packing and filling machine, first, two belt-shaped wrapping papers are sent downward to face each other, and a predetermined portion of the two wrapping papers is heat-sealed. Then, a predetermined amount of contents such as bath agent is packed in 12 rows between the two wrapping papers. Thereafter, the 12 rows are separated into four rows of three packets by a cutter, and further, as shown in FIG. 1, cut by the cutter 1 so as to be separated in the longitudinal direction of each row, as shown in FIG. A package W having three different packages B is manufactured. In addition, in FIG. 1, 2 is a fixed blade,
3 is a moving blade. In FIG. 4, S is a slit and I is an eye notch, which are formed at the time of cutting. Further, C is a seal portion in which two sheets of wrapping paper around the package W are mutually heat-sealed so as to enclose the contents.

Then, three packages W are placed on the conveyor 5 by the transfer device M. This conveyor 5
Transports the packaged articles W to the stacking step, and accumulates seven pieces of the packaged articles W in the stacking step. After that, seven packaged articles W are sent to the banding step and the boxing step to be finished products. Reference numeral 6 denotes a driven roller, and reference numeral 7 denotes a hook. The hooks 7 serve to push the packaged products W to the collecting portion when the packaged products W are accumulated on the end side (not shown) of the conveyor 5.

As shown in FIGS. 1 to 3, the transfer device M includes a rotating shaft 12 that reciprocates and rotates in a direction opposite to the packaged product W with the axial direction being the horizontal direction. Spline 1 provided with a concave groove or protrusion along the axial direction
3 are formed. Further, four rotating arms 14 are provided on the rotating shaft 12 so as to face the four packaged articles W. The rotating shaft 12 is connected to a driving source of a bag making, packaging and filling machine by using a gear device (not shown).
It is configured to rotate forward and reverse within a predetermined angle range in accordance with the timing at which the packaged product W of the bag making and packaging and filling machine is manufactured.

Each pivot arm 14 has a grip 17 at its tip as a holding section for holding the package W.
Is rotated between below the cutter 1 and directly above the conveyor 5 with the rotation of the rotation shaft 12.

Each of the rotating arms 14 has its base portion side slidably mounted on the rotating shaft 12 so that the cam groove 1 is formed on a part of the peripheral surface.
A substantially cylindrical cylindrical cam portion 15 provided with the cylindrical cam portion 5a is provided. Each of the cylindrical cam portions 15 has a pin 11 fixed to the frame 10 of the transfer device M inserted into the cam groove 15a. This cam mechanism, when the rotating shaft 12 rotates, places four packaged articles W on the conveyor 5 and separates the packaged articles W from each other.
Incorporated for spacing.

Each gripping portion 17 has a substantially U-shape having a bottom wall 17a and two side walls 17b and 17c, and is formed at the tip of two support rods 16 fixed to the cylindrical cam portion 15. .

The side wall 17b is formed by the holding surface 19 of the fixed claw 18, the side wall 17c is formed by the holding surface 22 of the movable claw 21, and the bottom wall 17a is formed by the bottom surface 18 of the fixed claw 18.
a.

The fixed claw 18 is fixed to the rod 16 so as to connect the two support rods 16 to each other.
Are slidably disposed on the cylindrical cam portion 15 side of each support rod 16. Each support rod 16 is provided with a coil spring 28 as an urging means for urging the movable claw 21 toward the fixed claw 18.

The fixed claw 18 has a holding surface 19 disposed so as to be orthogonal to the support rod 16 on the moving claw 21 side.
It is provided with a guide surface 20 that moves away from the moving claw 21 as the distance from the holding surface 19 increases.

The movable claw 21 is provided with the holding surface 22 and the fixed claw 18.
And a guide surface 23 that is separated from the fixed claw 18 as the distance from the holding surface 22 increases.

The width of the clamping surfaces 19 and 22 between the fixed claws 18 and the movable claws 21 (the clamping surfaces 19 and 2 indicated by solid lines in FIG. 1).
2 height dimension) is made substantially equal to the width dimension of the seal portion C1 on the side where the packaged product W is gripped.

On the cylindrical cam portion 15 side of the movable claw 21, sliding portions 24, 24 for covering the support rods 16 are formed. Each sliding portion 24 has an insertion hole through which the support rod 16 is inserted. 25 are formed.

A cylindrical regulating seat 26 having a central hole 27 is provided between the sliding portions 24.

On the other hand, the frame 10 of the transfer device M is provided with four abutting portions 29 and 30 that can abut the regulating seat 26 near the cutter 1 and above the conveyor 5.
The contact portion 29 is disposed at a position where the grip portion 17 of each rotating arm 14 can contact the regulating seat 26 when the grip portion 17 is disposed below the cutter 1. The contact portion 30 is a grip portion of each rotating arm 14. 17 is arranged at a position where it can abut the regulating seat 26 when it is arranged directly above the conveyor 5.

These contact portions 29 and 30 are formed in a substantially L-shape, and the rotating arm 14 rotates clockwise in FIG. 1 with respect to the contact portion 29. When coming in contact with the regulating seat 26 while being inserted into the central hole 27,
Further, when the rotating arm 14 is rotated to a position along the horizontal direction, the movable claw 21 (the holding surface 22) is fixed to the fixed claw 18 (the holding surface 19) via the regulating seat 26 against the urging force of the coil spring 28. ). Similarly, when the rotating arm 14 rotates counterclockwise in FIG. 1, the abutting portion 30 abuts on the regulating seat 26, and the rotating arm 14 passes through the lowermost point and is inclined at about 45 °. When the coil spring 28 is rotated to the position inclined to
Of the movable claw 21 (the clamping surface 22) against the urging force of the fixed claw 1
8 (clamping surface 19). The rotation end of the rotating arm 14 on the side of the abutting portion 30 is set to a position at which the rotating arm 14 comes away from the conveyor 5 after being closest to the conveyor 5.

Next, the operation of the transfer device M according to the embodiment will be described. The four rotating arms 14 are already waiting at a position along the horizontal direction below the cutter 1,
At that position, the abutting portions 29 separate the holding surfaces 19 and 22 between the fixed claw 18 and the movable claw 21 and the guide surfaces 20 and 23 from each other.

First, when three packages W cut by the cutter 1 drop by three, they are guided by the guide surfaces 20 and 23, and the lower part of the package W is fixed between the holding surfaces 19 and 22. Each packaged product W is placed on the bottom surface 18 a of the nail 18, and is stored in the grip portion 17.

Thereafter, each rotating arm 14 rotates counterclockwise in FIG. 1 to place the gripper 17 directly above the conveyor 5. At this time, when each of the gripping portions 17 is separated from the position where the cutter 1 is disposed, the contact portion 2 near the cutter 1 is
9 is separated, and the urging force of the coil spring 28
The movable claw 21 moves to the fixed claw 18 side, and the seal portion C1 of each packaged product W is held by the holding surfaces 17 and 22 and is held by the holding portion 17. Then, in this state, each packaged product W is transported to a position near the upper portion of the conveyor 5.

When each gripper 17 moves from near the cutter 1 to above the conveyor 5, each of the rotating arms 14
The pin 1 is inserted into the cam groove 15a of the cylindrical cam portion 15 on the base side.
Since they have been inserted, as shown in FIG. 3, they are moved on the conveyor 5 so as to be separated from each other.

Further, when each gripping portion 17 is disposed immediately above the conveyor 5 past the lowermost point, the contact portion 30 disposed above the conveyor 5 is inserted into the central hole 27 and the regulating seat 26 is formed. Abut. And furthermore, each rotating arm 14
1 rotates counterclockwise in FIG. 1, the contact portion 30 is pressed against the holding surface 2 of the movable claw 21 against the urging force of the coil spring 28.
2 is separated from the holding surface 19 of the fixed claw 18. Then, at this time, each packaged product W is placed on the conveyor 5 while separating from the grip portion 17 while sliding on the guide surface 20.

Thereafter, each rotating arm 14 is rotated clockwise in FIG. 1 so that the gripping portion 17 is disposed below the cutter 1 in order to grip the next packaged product W. (The position indicated by the solid line in FIG. 1).

Since the moving speed of the gripper 17 is faster than the transport speed of the conveyor 5 and the gripper 17 rotates until it comes closest to and separates from the conveyor 5, each packaged product W is transferred to the conveyor 5. When returning to the initial position after the placement, there is no possibility that the gripping portion 17 may catch the package W.

Therefore, in the transfer device M of the embodiment, the tip of the rotary arm 14 is gripped by using the fixed claw 18 and the movable claw 21 urged toward the fixed claw 18 and provided with the regulating seat 26. And a contact portion 29 at a predetermined position.
-The packaged goods W can be transferred with a simple configuration in which only the 30s are arranged.

Further, in the transfer device M of the embodiment, the seal portion C1 around the package W is gripped and transferred, and the seal portion C1 is formed by wrapping the wrapping paper doubly. Thus, even if the user grips the packaged product W, it does not cause any damage that impairs the sealing performance of the packaged product W, and has the same effect as that described in the section of the operation and effect of the invention described above.

In the embodiment, each rotating arm 14 is
A cylindrical cam portion 15 having a predetermined cam groove 15a on the base portion side
And the cylindrical cam portion 15 is slidably mounted on the rotating shaft 12 provided with the spline 13.
The packages W coming down from the cutter 1 approaching each other in parallel are separated from each other, and are aligned along the transport direction of the conveyor 5 without inclining the longitudinal direction of each package B. Since they can be arranged, the next integration step can be performed smoothly.

Further, in the embodiment, the gripping portions 17 are brought into contact with the conveyor 5 at the positions closest to the conveyor 5 on both sides of the gripping portions 17 to contact the left and right sides of the package W. A regulating plate 31 for detaching the packaged product W is disposed. Therefore, each packaged product W can be placed on the conveyor 5 in a more uniform posture.

In the embodiment, the case where four packaged articles W are transferred is shown. Of course, when one or an appropriate number of packaged articles W are transferred onto the conveyor 5 from below the cutter 1. The present invention can be applied.

Further, in the embodiment, the holding portion 17 is provided with the fixed claw 18 provided on the distal end side of the rotating arm 14. However, as shown in FIGS. 5 and 6, the movable claw 21 is provided on the tip side of the rotating arm 14 so that the bottom wall 37a and the side wall 37b are provided.
A grip portion 37 composed of 37c may be configured. The grip portion 37 is provided with a fixed claw 1 having the holding surface 19 as a side wall 37b.
8 is fixed to the tips of the support rods 16
The sliding portions 24 of the movable claw 21 having the holding surface 22 as the bottom wall 37a and the holding surface 22 as the side wall 37c are attached to the support rod 1
6 is provided. Incidentally, in such a configuration, it is necessary to make the contact portion 29 and the like come into contact with the regulating seat 26 from the base portion side of the rotating arm 14.

[Brief description of the drawings]

FIG. 1 is a sectional view showing an embodiment of the present invention.

FIG. 2 is a partially omitted cross-sectional view showing the II-II portion of FIG. 1 of the embodiment.

FIG. 3 is a partially omitted plan view showing a state in which a grip portion of the embodiment has moved.

FIG. 4 is a perspective view showing a packaged product gripped by the embodiment.

FIG. 5 is a cross-sectional view showing a gripper according to another embodiment, and FIG.
Shows the VV site.

FIG. 6 is a plan view of the grip portion of the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... cutter, 5 ... conveyor, 14 ... rotating arm, 17/37 ... (holding part) gripping part, 17a / 37a ... bottom wall, 17b / 17c / 37b / 37c ... side wall, 18 ... fixed claw, 19 ... pinching Surface: 21: moving claw, 22: clamping surface, 26: regulating seat, 28: coil spring, 29/30: contact portion, C1: seal portion, W: packaged product.

──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Toru Sugita 392 Tsukiji, Fujieda-shi, Shizuoka Prefecture Inside Tsumura Shizuoka Plant (72) Inventor Michio Nagasawa 392 Tsukiji, Fujieda-shi Shizuoka Prefecture Inside Tsumura Shizuoka Plant (72) Inventor Tetsuo Ishii 2-103, Nazuka-cho, Nishi-ku, Nagoya-shi, Aichi (56) References: Japanese Utility Model Reference Sho 50-18664 (JP, U) (58) Fields investigated (Int. Cl. ⁶ , DB name) ) B65B 35/44 B65B 5/06 B65G 47/08

Claims (1)

(57) [Claims] 1. A packaged product cut by a cutter after sealing the periphery and continuously bagging the contents is placed on a conveyor arranged below and sent to the next step, and the lower portion of the cutter and the above-mentioned cutter are removed. A transfer device for a packaged product to be held and transferred by a holding unit disposed at the tip of a rotating arm that rotates between directly above a conveyor, wherein the holding unit seals a sealed portion of the packaged product. A substantially U-shaped grip portion having a bottom wall for holding and two side walls, wherein the grip portion has one side wall of the substantially U shape as a fixed claw fixed to the tip of the arm, and the other side wall A movable claw that is urged toward the fixed claw side in opposition to the fixed claw; a regulating seat is provided on the movable claw; provided near the cutter and above the conveyor; The regulating seat when disposed below the cutter, and the handle; Wherein a contact portion is provided to abut on the regulating seat when the portion is disposed immediately above the conveyor to separate the movable claw from the fixed claw. apparatus.