JPS60158026A - Automatic feeder for packaging material - 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 an apparatus for automatically feeding various packaging materials such as cartons, tubes, and cardboard to packaging equipment during a packaging operation process.

In general, assembled boxes such as cartons are so-called bulk packages in which many boxes are piled up on a folding transport surface with a pallet, and the packaging work is performed by sending the boxes delivered from the manufacturer to a cart/conveying device. However, the overall weight of the bulk package (for example, stacked up to 450 Yu or more) is quite heavy, and the equipment becomes large-scale, which poses a problem.

Traditionally, packaging materials from packaging warehouses are transported in large quantities on pallets using plastics and vines, but in the single packaging finishing process, packaging materials are supplied to packaging equipment by hand by separating cartons into small quantities. Because of this, it was impossible to automate the work unattended, and there were problems in terms of labor saving and work efficiency in terms of work management.

The present invention provides a device that can accurately sort and select multiple stacks of packaging materials, automate the supply of packaging materials to a packaging device, and relieve a driver from monotonous and simple repetitive tasks. It is intended to.

Another object of the present invention is to transport cartons under stable conditions, to lift a large number of stacked cartons and insert a jig therein, and to do so safely without damaging the cartons, and to prevent variations in packaging materials. It is an object of the present invention to provide a device that can be held securely and frequently supplied to packaging equipment.

Embodiments of the present invention will be described using the drawings.

The packaging material automatic supply device A according to the present invention is installed, for example, in an automated packaging line as shown in FIG. B is a packaging material stay scene in which a large number of bulk packages are accumulated, which is connected to the pallet transport device C by an automatic guided vehicle, and the bulk packages are automatically transferred one by one to the pallet transport device C as necessary. .

In this example, a package is used in which a box consisting of a pallet, an exterior panel, and a lid is divided into four blocks by U-shaped interior panels, and each block has a package folded into a flat plate. Materials are stacked vertically.

The master pallet conveyance device flIC is a conveyance device that goes from the waiting position CI to the packaging material discharge position C11 and the empty pallet discharge position C1, and below the packaging material discharge position C8 is a table that can rotate and move the package up and down. is provided.

A packaging material (hereinafter referred to as a carton) automatic supply device is interposed between the packaging material delivery position *Ct of this transportation device C and the packaging material transportation device E of the next process. An appropriate number of cartons are taken out from the wrapped package and supplied to the carton conveying device E.

The carton conveying device E feeds the cartons to the carton feeder while raising the cartons vertically, and the cartons then flow to the subsequent processing steps.

Note that it is convenient to have a line that can automatically remove the exterior panels and lids of packages, and carry out empty pallets.

The automatic packaging material supply device comprises an arm 1 consisting of an air cylinder rotatably mounted on a base, and a joint portion 2 rotatably connected to the tip of the arm 1, that is, the tip of a reciprocating piston rod. , and a hand portion 6 rotatably connected to the joint portion 2.

The arm 1 is connected to the base 11 with a vertical axis, is rotatable in a horizontal plane, and is extendable and retractable.
Further, the joint portion 2 includes a rotor portion 21 and a guide groove 2. The hand portion 3 is rotatably connected to the hand portion 3.

The hand section 6 is connected to the rotor section 2. of the joint section 2. It consists of a support member 4 connected to the support member 4 via a support shaft 4 degrees, and a clamping member 5 which is a jig slidably connected to the support member 4.

This clamping member 5 is connected to the support shaft 4. It is provided with two claw pieces 6, 6 that form a horizontal mounting surface when it is in a vertical state, and a bushing 7 vertically disposed above the middle of the claw pieces 6, 6. 8 is deployed.

The bushing 7 is an air cylinder, and the bushing surface provided at the tip of the piston rod is formed parallel to the surface formed by the claw pieces 6, 6, and is movable up and down.

Next, the supply operation will be explained using FIGS. 6 and 7.

First, adjust the height of the pallet so that the top of the stacked cartons is approximately at the height of the clamping member 5.

Next, the connection between the arm 1 and the joint part 2 is rotated so that the hand part 6 is inclined with respect to the arm 1 to a position where only one of the claw pieces 6, 6 contacts the carton, and the joint part 2 and the hand part 3 in a state in which the claw pieces 6, 6 are lowered toward the tip, and the pusher 7 is raised, and the arm 1 is moved until one of the claw pieces 6, 6 hits the cart 7. Stretch it. At this time, the clamping member 5 makes contact with the carton while extending the spring 8 against the restoring force and retreating from the support member 4, so the claw piece 6 is pressed against the carton with an appropriate force. (Figure 6a).

Next, the hand portion 3 is rotated with respect to the joint portion 2 until the claw pieces 6, 6 are in a horizontal state. At this time, the clamping member 5 moves forward due to the restoring force of the spring 8, so one of the claw pieces 6 is inserted between the cartons, and the hand part 6 is lifted in an arc shape, creating a gap between the stacked cartons ( Figure 6b)
.

Next, the joint 2 is rotated relative to the arm 1 until both the claws 6, 6 are in the desired position between the cartons (Fig. 6C).
).

Next, rotate the hand part 6 again with respect to the joint part 2 so that the claw piece 6.6 descends toward the tip, and continue to move the arm 1.
further extend and insert the claw pieces 6, 6 deeply (Fig. 6d).

Next, the button 7 is lowered, the cart is held between the claws 6, 6 and the button 7, and the claws 6, 6 are returned to the horizontal state (Fig. 6e), and the arm 1 is retracted and rotated. .

At the delivery position of the carton conveying device E, the arm 1. Joint 2. The condition of the hand part 3 is adjusted and the pusher 7 is raised at a predetermined position to release the carton and release it.

In addition to incorporating a pallet vertical movement device into the pallet transport device to move the pallet up and down as in this embodiment, it is also possible to configure at least the hand section to move up and down (the arm itself moves up and down). ) are also possible.

FIGS. 8 to 10 show 50 different examples of clamping members.

A push-up lever 9 is rotatably mounted on the tips of the claw pieces 6, 6, and a lever stopper 1o that can be protruded and retracted is provided within the rotation range of the push-up lever 90.

The push-up lever 9 is a rod 9. and rod 9. A part of the lever protruding from approximately the center of 9. and lever part 9. on both sides with the lever in the center 9. The roller portion 9 is protruded and supported in the opposite direction. ,9. It usually consists of a lever part 9 and a claw piece 6. is biased by a spring 94 so that it stands up at a position of 90'.

Also, part 9 of the liver. A rubber plate 96 for elastic compression is attached to the cart/contact surface of the lever stopper 10.
An air cylinder is used. As shown in FIG. 10, the push-up lever 9 is pushed against the carton by first extending the arm 1 of the push-up lever 9. At this time, the lever stopper 10 pushes up the lever 9.
is prevented from pivoting backwards (Fig. 1O&).

Next, lift the hand portion 3 to release the lever stopper 10. At this time, part of the lever9. Rubber plate 9. The carton that is in contact with the carton is lifted up, creating a gap between the carts (Fig. 10b), and the lever 9 of the clamping member 5 is rotated against the spring 94 due to the restoring force of the spring 8. Advance. In other words, lever part 9! falls inward, and the roller portion 9m rises outward, slides into the gap between the cartons, and lifts the carton (FIG. 10C). In this state, the lever 9 is prevented from restoring by the carton, but after the carton is released, the spring 9. After that, the lever stopper 1° is lowered to wait for the next supply.

In this example, a push-up lever 9 and a lever stopper 10 are added to the device of the previous embodiment.

Swing mechanism and joint section 2 of hand section 6 for arm 1
For example, it is possible to omit the swinging mechanism for the arm 1 so that it can rotate, retract, and move up and down, or it is possible to use the vertical movement of the pallet even when lifting a carton while the arm 1 is still able to rotate and retract. It is.

According to the present invention, it is possible to provide an automatic feeding device that can pick up an appropriate number of cartons from stacked cartons and transfer them without damaging the cartons, thereby saving labor and increasing efficiency. , it can produce a practical effect.

[Brief explanation of the drawing]

The drawings show an embodiment of the invention, and FIG.
- Sheet, FIG. 2 is a plan view, and FIG. 3 is a side view of the seat. A...Carton automatic feeding device, B...Packaging material station, C...Pallet transport device, D...Automated guided vehicle, E...Carton transport device, 1...Arm, 2...
・Joints. 6... Hand portion, 4... Supporting member, 5... Clamping member, 6... Claw piece, 7... Button, 8... Spring,
9... Push up lever, 9.・・・Part of the lever, 9m・
...Koro i, 9. ...Spring, 10...Lever stopper. Special Pestle Applicant Lion Co., Ltd. Representative Patent Attorney Masashi Takagi 1) Minoru Takao Maruyama

Claims (1)

[Scope of Claims] t. An arm equipped with a claw piece that faces the packaging materials that are transported in a loaded state and maintained in a predetermined position and that is inserted between the packaging materials is provided in a manner that is pivotable and extendable. and a movable button that presses the packaging material placed on the claw piece, so that the direction of the packaging material pressed on the claw piece can be changed by the button and transferred to the package feeding device, An automatic packaging material supplying device characterized in that the claw piece is provided to be swingable from an inclined position with respect to the arm via a joint part. 2. Claim 1, wherein a plurality of claw pieces protrude from the jig at intervals, and are configured to scoop and lift the packaging material.
Jjjlell! Supply m/place. (5) The claw piece according to claim 1 or 2, wherein the claw piece is attached to a jig at right angles and is resiliently mounted on a supporting member with a buffer spring so as to be able to slide freely. Feeding device. 4. An air cylinder in which the arm is rotatably pivoted to a base, and the reciprocating piston rod is provided with a joint portion of the claw piece, and the claw piece is moved from the pallet conveying device to the carton conveying device. A feeding device according to any one of claims 1 to 3, wherein the feeding device is for transporting a material to a container. 5. Claims 1 to 4, wherein the cocoon joint part includes a rotor part and is connected to the cart 7 gripping jig via a slide member by a support shaft that moves into the guide groove.
Feeding device as described in any one of the paragraphs. 6. Claims #g1 to 5, wherein the claw piece is composed of an upper claw piece and a lower claw piece, and is connected to a jig to form a substantially U-shaped carton gripping jig. Feeding device as described in any one of the paragraphs. 1. The feeding device according to any one of claims 1 to 6, wherein the claw piece is provided with a push-up lever that can come into contact with the packaging material and detect the presence or absence of the packaging material.