JP4362200B2 - Cartoning machine - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a cartoning machine in a packaging machine mainly for small boxes, and more specifically to a box forming mechanism thereof.
[0002]
[Prior art]
BACKGROUND OF THE INVENTION
FIG. 4 shows a packaging process diagram of the cartoning machine. The main body 1a of the carton 1 is formed in a square shape along the crease, and the lid portions 1b and 1c are divided into four pieces and prepared in the magazine 10. The carton 1 is taken out from the magazine 10 and supplied onto the transport line 2 at the position shown in FIG. The carton 1 on the transport line 2 is transferred to the downstream side with the lids 1b and 1c facing left and right (perpendicular direction) with respect to the transport direction of the transport line 2. A predetermined packaged product 20 is stored in the main body 1a of the carton 1 at the position shown in FIG. Then, the lid portions 1b and 1c are glued at the position shown in (c), and the glued lid portions 1b and 1c are stuck at the position shown in (d), thereby completing the product 1A.
[0003]
FIG. 5 shows a conventional general carton 1 support and travel mechanism in the transport line 2.
The carton 1 is loosely sandwiched between the front side and the rear side of the main body 1a by the front fingers 3a and the rear fingers 3b attached to the chains 4a and 4b, and is held by the rear fingers 3b while holding a quadrangle (square column). While being pushed, the vehicle is guided by the upper and lower guide rails 11 and 12.
[0004]
[Problems to be solved by the invention]
However, the chains 4a and 4b are driven separately, so that it is difficult to adjust the clamping state of the carton 1 by the front and rear fingers 3a and 3b. If the front and rear fingers 3a and 3b are too tightly held, the carton 1 will be damaged, and conversely if the sandwiching is too weak, the quadrilateral shape of the carton body 1a is inclined and deformed as shown by the two-dot chain line in FIG. When the lid portions 1b and 1c are attached in this state, there is a problem that the appearance of the product 1A is deteriorated and the commercial value is lowered.
The present invention has been made in view of the above problems, and a box body is provided by applying a predetermined braking force to a carton that travels while holding a rectangular shape, with the front and rear sides of the box body held between two sets of front and rear fingers. The posture of the carton running on the transport line is adjusted by correcting the deformation of the posture and running while maintaining a more accurate rectangular posture and performing the packaging operation such as attaching the lid. An object of the present invention is to provide a cartoning machine that can return the posture of a carton to a normal posture in a case where it is displaced.
[0005]
[Means for Solving the Problems]
In the cartoning machine of the present invention, the front and rear side surfaces of the carton are run on the transport line while being sandwiched by two pairs of front and rear sandwiching members attached to the transfer device, and the carton is stored in the transport line. A brake device for applying a braking force for correcting the posture of the carton is provided, and the brake device is wound between a plurality of pulleys and the pulleys, and a plurality of brake devices are provided on the outer peripheral surface. And a belt having at least one of the plurality of pulleys provided with a shaft brake, the brake device being disposed close to the carton transport line and being transported. A braking force is applied to the carton by hooking the carton to the locking claw .
[0006]
The cartoning machine according to the present invention travels on the transport line while sandwiching the front and rear side surfaces of the carton by the two front and rear sandwiching members attached to the transfer device, and stores the packaged goods in the transport line. In the cartoning machine for attaching the lid of the carton, a brake device for applying a braking force for correcting the posture of the carton is provided, and the brake device is constituted by a suction device having a suction hole opened, the suction device is arranged close to the conveying line of the carton, that by applying a suction force of the suction device into cartons being transported are adapted to impart a braking force to the carton.
Further on SL invention, the braking device, it is placed in the cap portion process of attaching the transfer line.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, a carting machine according to a first embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a diagram showing a configuration of a main part of the carting machine according to the present embodiment, showing its support and traveling mechanism, and FIG. 2 is a cross-sectional view taken along the line AA in FIG. In the cartoning machine, the front and rear side surfaces of the main body 1a of the carton 1 are the front finger 3a, which is a holding member attached to the chain 4a, and the rear finger 3b, which is attached to the chain 4b. It is configured to be pinched loosely. The cartoning machine is configured to run while being guided by the upper guide rail 11 and the lower guide rail 12 via the chains 4a and 4b, which are driven separately, while the main body 1a of the carton 1 holds a square shape. ing.
In the cartoning machine, the belt device 5 as a brake device for applying a predetermined braking force to the running operation of the carton 1 is close to the running track of the carton 1 and a not-shown lid attaching step. Is installed.
[0008]
The belt device 5 has a plurality (three) of pulleys 6a, 6b, and 6c and a plurality of locking claws 8a, 8b, and 8c attached to the outer surface thereof at equal intervals, and is rotatably wound around these pulleys. Belt 7. The pulleys 6a, 6b, and 6c are arranged in a triangular shape, the pulley 6c at the top and the shafts 6d and 6e of the pulleys 6a and 6b are arranged on the same horizontal line, and the top of the carton 1 on the transport line 2 It is arranged with a slight gap. The shafts 6d, 6e, and 6f of the pulleys are restrained from rotating, and a shaft brake 9 that applies a predetermined braking force to the rotational operation of the pulley 6c is fitted on the shaft 6f of the pulley 6c (brake Format and type are not limited). The locking claws 8a, 8b, and 8c have the same width as that of the belt 7, and the interval between them is almost the same as the transfer interval on the transport line 2 of the carton 1, but shorter than the transfer interval of the carton 1 Good. The lengths of the locking claws 8a, 8b, 8c may be longer than the gap between the pulleys 6a, 6b and the carton 1. In this embodiment, the belt device 5 is installed on the upper part of the transfer line 2 of the carton 1 in the lid attaching step ((d) position, see FIG. 4).
[0009]
Hereinafter, the operation and effect of the present embodiment will be described.
As shown in FIG. 1, when the carton 1 in which the front and rear side surfaces of the main body 1a are sandwiched between the front and rear fingers 3a and 3b is sent to the lid attaching step while holding the square shape, The catching claw 8b of the belt device 5 is hooked.
Then, when the belt 7 rotates and the pulleys 6a, 6b, 6c rotate in conjunction with this, the shaft brake 9 provided on the shaft 6f of the pulley 6c acts, and the brake acts on the rotation operation of the belt 7. Therefore, the braking force is applied to the carton 1 through the locking claw 8b in the direction in which the traveling operation is prevented, that is, the left direction in FIG. The braking force may be a braking force that can correct the posture of the carton 1 as long as the carton 1 is not crushed, and a clutch mechanism may be provided on the shaft brake 9 so that a braking force exceeding a certain level is not applied. .
[0010]
However, the pushing force by the rear finger 3b acts on the carton 1, and the carton 1 travels with the posture of the main body 1a corrected. Therefore, the lid portions 1b and 1c can be attached in a normal posture in the transport line 2 of the carton 1. Thereby, there is no deformation of the posture of the carton 1 and a product having a good appearance can be obtained.
Further, when the locking claw 8b moves and moves to the position of the locking claw 8a, the engagement between the locking claw 8b and the carton 1 is released, the brake force is released, and the rotation of the belt 7 is stopped. In this state, when the next locking claw 8c reaches the position of the locking claw 8b and the next carton 1 is transferred, the above operations are sequentially repeated.
[0011]
Thus, according to the cartoning machine of the present invention, the belt device 5 gives a predetermined braking force to the carton 1 that travels with the front and rear sides sandwiched by the front and rear fingers 3a and 3b. Since the deformation of 1a is corrected, there is an effect that a high-quality package 1A can be obtained continuously and efficiently.
In the present embodiment, the belt device 5 is installed in the lid attaching process. However, by installing the belt apparatus 5 in, for example, a packaged article storage process, a storage error is eliminated and work efficiency is increased. be able to.
[0012]
Next, a second embodiment of the present invention will be described.
The present embodiment relates to another configuration of a brake device attached to the carting machine.
As shown in FIG. 3, in this embodiment, a vacuum chamber 15 is used as a brake device. The vacuum chamber 15 is composed of a sealed box 16 and a vacuum hose 17 attached to the box 16 and connected to a vacuum pump (not shown). A large number of air holes 16b are formed in the bottom 16a of the box 16. It is open.
The vacuum chamber 15 is installed close to the traveling track of the carton 1, and at this time, the vacuum chamber 15 is installed so as to maintain a minute gap c between the bottom 16 a of the box and the upper surface of the carton 1 that passes therethrough. .
[0013]
Next, the operation of the second embodiment will be described.
When the carton 1 with its front and rear sides sandwiched between the front and rear fingers 3a and 3b is sent via the vacuum hose 17 to the installation position of the vacuum chamber 15 in which the inside of the box 16 is maintained at a predetermined degree of vacuum. Adsorption force acts on the upper surface of the carton 1 through the air holes 16a, whereby a predetermined braking force is applied to the running operation of the carton 1, and the carton 1 is conveyed with its deformation of the main body 1a corrected. Drive 2 on the line. Therefore, by attaching the lid portions 1b and 1c, a product 1A having no appearance and good appearance can be obtained.
As described above, in the cartoning machine of the present embodiment, the deformation posture of the carton 1 is corrected using the suction force of the vacuum chamber 15, so that the continuous state is the same as in the first embodiment. Efficient and high quality packaged product 1A can be obtained.
[0014]
The embodiment of the present invention has been described above. Of course, the present invention is not limited to this, and various modifications can be made based on the technical idea of the present invention.
[0015]
【The invention's effect】
As described above, the present invention, the front and rear sides of the mosquito Ton while sandwiched by two front and rear pairs of clamping members attached to the transfer device is traveling on a conveyor line, housing a packaged article in said transport line In the cartoning machine for attaching the lid of the carton, a brake device for applying a braking force for correcting the posture of the carton is provided , and the brake device is wound between a plurality of pulleys and these pulleys and A belt having a plurality of locking claws attached at equal intervals on the surface, a shaft brake is provided on at least one of the plurality of pulleys, and the brake device is disposed close to the carton conveyance line. . Thus imparting braking force to the carton to carton being conveyed as hooked on the locking pawl, the deformation of the attitude of the carton It can be corrected.
The present invention also provides a carton lid that travels on a transport line while sandwiching the front and rear side surfaces of the carton by two pairs of front and rear clamping members attached to the transfer device, and stores the packaged goods in the transport line. In the cartoning machine for attaching the part, a brake device for applying a braking force for correcting the posture of the carton is provided, and the brake device is constituted by a suction device having an opening for suction, and the suction device is Since the carton is placed close to the transport line and the suction force of the suction device is applied to the carton being transported to apply the brake force to the carton, the same effects as in the invention can be obtained.
Furthermore , the said invention can attach the cover of a carton correctly by installing the said brake device in the said cover part sticking process of a conveyance line.
[Brief description of the drawings]
FIG. 1 is a diagram showing a main configuration of a cartoning machine according to a first embodiment of the present invention.
FIG. 2 is a cross-sectional view taken along line AA in FIG.
FIG. 3 is a diagram showing another main configuration of a carting machine according to a second embodiment of the present invention.
FIG. 4 is a schematic view showing an operation process of a conventional cartning machine.
FIG. 5 is a view showing a mechanism for pinching a carton on a conveyance line.
[Explanation of symbols]
1 Carton 1a Body 3a Front finger (clamping member)
3b Rear finger (clamping member)
4a, 4b Chain 5 Belt device 6a-6c Pulley 6d-6f Shaft 7 Belt 8a-8c Locking claw 9 Shaft brake 11, 12 Guide rail 15 Vacuum chamber 16 Box 16a Bottom 16b Air hole

Claims (3)

Carting in which the front and rear sides of the carton are run on the transport line while being sandwiched by two pairs of front and rear sandwiching members attached to the transfer device, the packaged goods are stored in the transport line, and the lid of the carton is pasted In the machine, a brake device for applying a braking force for correcting the posture of the carton is provided , and the brake device is wound between a plurality of pulleys and the pulleys, and a plurality of locking claws are arranged at equal intervals on the outer peripheral surface. And a shaft brake on the shaft of at least one of the plurality of pulleys, the brake device is disposed close to the carton transport line, and the carton being transported to the locking claw A cartoning machine characterized in that a braking force is applied to the carton by hooking . Carting in which the front and rear sides of the carton are run on the transport line while being sandwiched by two pairs of front and rear sandwiching members attached to the transfer device, the packaged goods are stored in the transport line, and the lid of the carton is pasted In the machine, a brake device for applying a braking force for correcting the posture of the carton is provided, and the brake device is constituted by a suction device having a suction hole opened, and the suction device is close to the transport line of the carton. A cartoning machine , wherein the carton is disposed and applied with a braking force on the carton by applying a suction force of the suction device to the carton being conveyed . The cartoning machine according to claim 1 or 2, wherein the brake device is installed in the lid attaching step of the transport line .

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