JPH07257522A - Carton feeder - Google Patents

Abstract

PURPOSE:To automatically feed a carton of paper pack without labors when feeding it to a charging machine and increase the operating ratio. CONSTITUTION:A carton feeder is provided with a picker 4 sucking the bottom cover of an opened carton C fed by a mandrel and drawing it from the mandrel, a shooter 6 converting upward the opening of a carton C1 taken out by the picker 4 and, pneumatically transferred by jet air from a nozzle 5 and conveying it, and a pusher 8 into which the carton C2 discharged from the shooter 6 is inserted in a carton magazine 7 installed in the mandrel 2 through a hopper 28 provided with a freely opening and closing shutter. And the carton opening of the carton magazine 7 is constituted to be exposed below a liquid-charging mechanism 9 and hence, the cartons can be automatically brought in to the charging machine without labors for feeding the cartons of paper pack. The working efficiency is greatly increased and the operation rate is also increased and further, low cost and labor-shaving operation is possible.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for automatically supplying a carton to a filling machine for filling and packing liquids and other contents such as detergents and cosmetics such as beverages, foods and body soaps into a carton. Is.

[0002]

2. Description of the Related Art Conventionally, when a carton such as a waterproof paper pack is filled with a filling machine and filled with various liquid contents and shipped as a product, the carton is bottom-sealed by the filling machine and then the carton is manually filled. It is known that the carton is pulled out from the mandrel, the carton is inserted into a filling magazine, and the magazine is automatically conveyed to the filling machine to perform the filling work.

[0003]

In the conventional filling work of the contents into the carton, since the carton is supplied manually, the operating rate is poor, and the workability is a simple work, which is labor-intensive. Productivity is not improved, and the work to correct the deformation of the carton (diamond section) is forced,
There is a problem that a large number of operators are required in the filling work line and the cost increases. The present invention is intended to eliminate these drawbacks of the related art, and can automatically load the carton into the filling machine without requiring labor for supplying the carton. It is an object of the present invention to provide a carton supply device, which has a simple mechanism and is inexpensive, in which labor can be saved by cost work.

[0004]

DISCLOSURE OF THE INVENTION The present invention is directed to a picker that adsorbs an open-lid carton supplied by a mandrel and pulls it out of the mandrel, and the carton taken out by the picker is pneumatically transported by jet air to the upper side of the carton opening. A shooter for converting and transporting, and a pusher for inserting a carton carried out from the shooter into a carton magazine provided above the mandrel via a hopper having an openable shutter are provided, and a carton opening of the carton magazine is provided. It was placed under the liquid filling mechanism.

[0005]

[Operation] The opened carton supplied from the carton feeder is sequentially inserted into the rotating mandrel by the inserting means, and the carton moved by the mandrel is picked up by the picker and pulled out from the mandrel. Through the shooter, pneumatically transporting the carton with jet air to convert the carton opening upward and carry it, and after inserting the carton carried out from the shooter with a pusher into the carton magazine provided on the mandrel, The carton magazine is swung to face the liquid filling mechanism for the carton, the carton is filled with the contents from the filling tank, the carton upper lid is sealed with a press, and the carton is shipped from the pack unloading rail.
Cartons can be loaded automatically and continuously without manpower, the workability is extremely good, the operation rate is improved, the number of operators in the work line can be reduced, and the pack filling work can be performed at low cost.

[0006]

EXAMPLE An example of a filling machine for body soap refilling according to an embodiment of the present invention will be described with reference to FIGS. 1 to 4. The carton feeder 1 forms the bottom of the carton and the lid is opened. Mandrel 2 that rotates the carton C on the rotating shaft 3
A picker 4 having a cylinder 14 for inserting and transporting the bottom cover of the carton C from the mandrel 2 and sucking it out.
The carton C ₁ taken out by the picker 4 is pneumatically transported by jet air from the nozzle 5 and the opening of the carton C is converted upward and conveyed, and the carton C ₂ carried out from the shooter 6 is openable and closable. And a pusher 8 to be inserted into the carton magazine 7 provided on the mandrel 2 via a hopper 28 having a shutter 29, and the carton magazine 7 is provided with its carton opening facing the carton automatic transfer table 10 having the liquid filling mechanism 9. It is as a carton feeder.

The mandrel 2 includes a driving device 13
A plurality of crosswise or radial projections are formed on the rotary shaft 3 connected to the carton, and a carton magazine 7 capable of holding cartons on each arm 12 via the crosswise arms 12 is provided on the rotary shaft 3. , And the mandrel 2 can be rotated and conveyed.

Further, the chute 6 is a tubular body having a carton inlet 15 and outlet 16, provided with a jet nozzle 5, 5 ₁ of a jet air to the conduit, the outlet side of the tube body A curved carton reversal passage 6 ₁ is formed to change the direction of the carton C ₁ passing through the shooter 6 so that the carton opening faces upward so that the carton magazine 7 can be inserted into the carton magazine 7 in a proper posture. in this case,
The picker 4 is provided at the carton inlet of the shooter 6.
It is equipped with a deformation correcting mechanism for correcting the deformation (diamond section) of the carton C ₁ that is pulled out by (4) into a quadrangular section. That is, the carton C ₁ pulled out from the mandrel 2 by the picker 4 can be carried into the shooter 6 in an appropriate form through a carton deformation correcting mechanism including a pair of carton pressing members 17. For example, as the carton deformation correcting mechanism, as shown in FIG. 5, a pair of carton pressing members 17, 17 are pivotally attached to a pair of rotating shafts 27, 27, respectively, and a gear 26, which meshes the rotating shafts 27, 27 with each other. The carton pressing member 1 is configured to be interlocked with each other by 26 and one carton pressing member 17 is connected to the driving cylinder 25.
A carton C deformed in a rhombus shape along the carton by swinging 7, 17 is opened and closed to reshape into a prescribed quadrangle.

Although the opening end may be directly provided on the discharge port 16 side, a carton direction changing mechanism, for example, a twist duct 20 is provided and the position of the carton surface of the passing carton is changed every 90 degrees and inserted into the magazine 7. The carton receiving hopper 28 may be interposed so that it can be turned. For example, the twist duct 20 has a simple structure of a twist duct. Further, as the hopper 28 for receiving the transported carton C ₂ , as shown in FIGS. 6 and 7, the carton loading bottom plate 31 is used.
And a pair of shutters 29, 29, which can be opened and closed, on the side surface facing the pusher 8 so that the carton C ₂ can be temporarily dropped. It is designed to be transported from.
In this case, in the hopper 28, the pusher 8 also serves as a picker, and when the carton is first sucked by the short stroke of the cylinder 18 and transferred to the mandrel 2 side, the carton is prevented from tipping forward, and then the cylinder 30 is driven. The shutters 29, 29 are opened so that the long stroke of the cylinder 18 sends the shutters 29, 29 to the magazine side. Further, a detector (not shown) such as a photoelectric tube on the hopper 28 is used to check whether or not the carton C ₂ is normally set in the hopper 28, and in the case of abnormality, the bottom plate 31 is slid by the cylinder 32 to move the carton C ₂ Is designed to be dropped.

Further, the carton feeder 1 is preferably provided with a fitting / inserting means 11, for example, a pusher or a picker, for assembling the carton C and sequentially transporting the carton with the bottom sealed, and feeding the carton opening toward the mandrel 2. Further, the pusher 8 is operated by the cylinder 18 to push it in to the carton magazine 7, and the carton C ₂ is unloaded from the cart magazine 7 to the carton automatic transfer table 10 in the filling machine by a transfer mechanism such as a pusher or a picker. It is convenient to use (not shown).

In the liquid filling mechanism 9, a filling section 22 having a filling tank 21 and other mechanisms for enclosing the pack are arranged on the carton automatic transfer table 10 and automatically carried out as a pack product from a pack carrying-out rail 23. I can do it.

In order to supply the carton C to the liquid filling mechanism 9, the opened carton C supplied from the carton feeder 1 is sequentially inserted into the rotating mandrel 2 by the inserting means, and the mandrel 2 is used. The transferred carton is adsorbed by the picker 4 and pulled out from the mandrel 2 and carried into the shooter 6 through the carton deformation correcting mechanism. The carton C ₁ is pneumatically transported by jet air to the carton C _1.
The opening of ₁ is converted to the upper side and conveyed, and the shooter 6
The carton C ₂ received by the hopper discharged from the hopper is inserted into the carton magazine 7 provided on the mandrel ₂ by the pusher 8 to expose the carton opening under the liquid filling mechanism, and the carton is filled with the filling machine by the filling machine 21. Further, after the contents are filled, the upper lid of the carton is closed and sealed by a press, and it can be efficiently shipped as a pack product from the pack unloading rail 23.

[0013]

Industrial Applicability According to the present invention, a picker for adsorbing an open-lid carton supplied by a mandrel and pulling it out from the mandrel, and a carton taken out by the picker are pneumatically transported by jet air and the opening of the carton is converted upward to be conveyed. And a pusher for inserting a carton carried out from the shooter into a carton magazine provided above the mandrel via a hopper having a shutter that can be opened and closed, and a carton opening of the carton magazine of the liquid filling mechanism is provided. Since it is configured to face a certain carton automatic transfer table, the carton can be automatically loaded into the filling machine without the need for manpower to supply the carton, the workability is greatly improved, the operation rate is increased, and the cost is reduced. It can be provided as a configuration that can save labor during work.

[Brief description of drawings]

FIG. 1 is a partially cut side view showing an embodiment of the present invention.

FIG. 2 is a plan view of the example of FIG.

FIG. 3 is a perspective view of the example of FIG.

FIG. 4 is a plan view of the usage example of FIG.

5 is a perspective view of the carton deformation correcting mechanism of the example of FIG. 1. FIG.

FIG. 6 is a plan view of the hopper in the example of FIG.

7 is a vertical cross-sectional view taken along the line I-I of FIG.

[Explanation of symbols]

C, C ₁ , C ₂ carton 1 carton feeder 2 mandrel 3 rotating shaft 4 picker 5 5 ₁ jet nozzle 6 shooter 7 carton magazine 8 pusher 9 liquid filling mechanism 10 transfer table 11 insertion means 12 arm 13 drive device 14 cylinder 15 introduction Port 16 Discharge port 17 Carton pressing member 18 Cylinder 20 Twist duct 28 Hopper 29 Shutter 31 Bottom plate

Claims (6)

[Claims] 1. A picker which adsorbs an open-lid carton supplied by a mandrel and pulls it out of the mandrel, and a shooter which conveys the carton taken out by the picker by jet air to convert the opening of the carton upward and convey the carton.
And a pusher for inserting a carton carried out from the shooter into a carton magazine provided above the mandrel via a hopper having an openable shutter so that the carton opening of the carton magazine is exposed under the liquid filling mechanism. A carton feeding device characterized by being configured. 2. The shooter is a tube having a carton introduction port and a discharge port, a jet air jet nozzle is provided, and a curved carton reversal passage is provided on the discharge port side of the tube body. The carton supply device according to claim 1. 3. The carton supply device according to claim 1, wherein the shooter includes a carton deformation correcting mechanism including a pair of carton pressing members that hold the carton facing the carton inlet. 4. The carton supply apparatus according to claim 1, wherein the shooter is provided with a twist duct for changing the carton direction on the discharge port side thereof. 5. The hopper includes a cart-mounting bottom plate that can be opened and closed, and a pair of shutters that open on both sides that can open and close on a side surface facing the pusher. Or the carton feeding device according to 4. 6. The carton deformation correcting mechanism is configured such that a pair of carton pressing members are pivotally mounted on a pair of rotating shafts, respectively, and the rotating shafts are interlocked by a gear that meshes with each other, and one of the carton pressing members is a driving cylinder. 5. The carton feeding device according to claim 3, which is connected to the carton.