JPH09174991A - Sealing apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To effectively seal by oscillating the first contact part of the freely movable end from the sealing position out of a conveying passage by utilizing the conveying thrust of a corrugated fiberboard case, bringing the second contact part into contact with the circumferential surface, and maintaining the system of a sealing unit out of the route. SOLUTION: An oscillating plate 22 for supporting a roller 19 is supported by a shaft 18 to the central side of the shaft 18, and a roller 19 is rotatably supported to the one corner of a freely movable end. A link coupling part 13 is coupled to the other corner of the plate 22. It is oscillated from the roller 19 and the sealing position P up to above an upper surface feeding line L at the shaft 18 as a center. An oscillating plate 37 is coupled to the plate 22 by the part 13. When the roller 19 is oscillated from the position P on the line L, a roller 34 is oscillated from the position P up to above the line L at a shaft 33 as a center. A drive source for oscillating a first oscillating mechanism 11 is the conveying thrust of a corrugated fiberboard case. Thus, the apparatus can be manufactured inexpensively, and sealing can be effectively processed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a marking device for marking on a front surface of a corrugated board box conveyed along a conveying path in a conveying direction.

[0002]

2. Description of the Related Art Conventionally, as this type of apparatus, for example,
A rotary type or a stamp type stamper is used. As shown in the plan view of FIG. 11, the former rotary type marking device waits at a position opposite to the front surface W1 of the corrugated cardboard box W conveyed along the conveyance path Y in the conveyance direction. By using the transport thrust, the rotary marking device 80 is configured to mark on the front surface of the cardboard box W while swinging around the axis S via the arm 81 and the like.

In the latter stamp type marking device, the corrugated cardboard box that has been conveyed is temporarily stopped at the marking processing position, and then a marking device is provided in a mechanism that can move back and forth in the conveyance path. Marking on the front surface in the direction, or as shown in the plan view of FIG. 12, the transfer path Z is formed in an L shape in a plan view, and the marking device 85 is provided at the corner portion.
After the marking is made on the front surface W1 of the cardboard box W in the carrying direction, the cardboard box W is turned along the carrying path Z by 90 degrees.

[0004]

However, the above-mentioned structure has the following problems. That is, according to the former rotary type marking machine, after the marking is made on the front side of the corrugated board in the conveying direction, the marking machine may come into contact with the peripheral surface along the conveying path of the corrugated box to deposit ink. is there. In order to avoid this, it is necessary to equip the arm with an air cylinder, etc., and to control the stamper so that it is retracted to the outside of the transport path, which complicates the device configuration. There is a problem that the manufacturing cost increases.

In the case of the latter stamp type, the corrugated cardboard box that has been conveyed must be temporarily stopped at the marking processing position, which lowers the efficiency of the corrugated cardboard conveyance processing. Further, a drive source and a controller for moving the stamper forward and backward in the transport path are required, which also has a drawback that the apparatus becomes expensive. When the transportation path is L-shaped and the corrugated box is turned 90 degrees, such a transportation path must be formed for the marking process, so that the entire transportation device becomes large and space utilization becomes effective. There is another problem of lacking.

The present invention has been made in view of the above circumstances, and provides a marking device which can surely carry out the marking process and can be manufactured at a low cost without lowering the transportation processing efficiency of the cardboard box. The purpose is to

[0007]

In order to achieve the above object, the present invention has the following configuration. That is, the marking device of the present invention is a marking device for marking the front of a corrugated box being conveyed along the conveying path in the conveying direction, and utilizing the conveying thrust of the corrugated box, the first end of the free end thereof is used. The abutment unit is attached with the first rocker that abuts and moves from the front surface of the cardboard box in the transport direction to the peripheral surface along the transport path and swings outward from the marking processing position in the transport path to the transport path, and the marking device. Is linked to the first oscillating body such that the marking device retreats from the marking processing position to the outside of the conveyance path and oscillates with the oscillating movement of the first oscillating body. After the first abutting portion of the above has finished abutting on the peripheral surface along the transportation path of the cardboard box, the second abutting portion at the free end thereof abuts the peripheral surface of the cardboard box and transports the stamp. A marking mechanism including a second swinging body for maintaining the posture outside the path, and Serial first rocking body and the second rocking body is characterized in that it is biased in the stamping process position.

[0008]

The operation of the present invention is as follows. In the marking mechanism in the initial state, the marking device mounted on the second oscillating body and the first abutting portion at the free end of the first oscillating body are urged to stand by at the marking processing position in the transportation path of the cardboard box. ing. When the corrugated cardboard box is conveyed along the conveying path, the marking device abuts on the front surface of the corrugated board box in the conveying direction at the imprinting processing position for imprinting, and at the same time, the first contact portion of the free end of the first rocking body. Contacts the front of the cardboard box in the transport direction. Then, by the transport thrust of the cardboard box, the first abutting portion of the first oscillator reaches the peripheral surface of the transport path while abutting and moving on the front surface in the transport direction of the cardboard box, so that the first oscillator moves outside the transport path. Move out and rock.

At the same time, the second oscillating body linked to the first oscillating body oscillates in accordance with the oscillating movement of the first oscillating body so that the marking device can be withdrawn from the marking processing position to the outside of the conveying path. To do.

The cardboard box is further transported to the first cardboard box.
When the first contact portion of the oscillating body comes in contact with the peripheral surface along the transport path of the cardboard box and reaches the rear surface in the transport direction of the cardboard box, the first contact portion of the first oscillator moves After the contact with the peripheral surface of the cardboard box is completed, the first swinging body swings toward the marking processing position side by the urging force. By this swinging, the second swinging body also swings to the marking processing position side, and the second contact portion at the free end of the second swinging body contacts the peripheral surface of the corrugated cardboard box that is being conveyed, and the marking device is moved. The posture is maintained outside the transportation route.

After that, when the rear surface of the cardboard box in the carrying direction reaches the second contact portion of the second oscillator, the second contact portion of the second oscillator completes contact with the peripheral surface of the cardboard box. The first oscillating body and the second oscillating body oscillate and return to the initial position by the urging force.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a front view showing a part of a transporting device for a corrugated cardboard box W to which a marking device according to an embodiment is attached. 2 is a plan view of the marking device, FIG. 3 is a sectional view taken along the line AA in FIG. 2, FIG. 4 is a view taken along the line BB in FIG. 2, and FIG. 5 is a left side view of FIG. Note that, in FIG. 2, the positional relationship of the marking mechanism is shifted in order to facilitate understanding.

As shown in FIG. 1, the corrugated cardboard box W is conveyed on both sides after being subjected to processing such as sealing and box making on the upper side (right side in FIG. 1) of the conveying path X (not shown). The belt 4 is sandwiched and conveyed. The marking device 1 according to the embodiment is attached to a lower portion (left side in FIG. 1) of the transport path X of the transport device 2 for the corrugated cardboard box W.

As shown in FIGS. 1 and 2, a guide member 5 is suspended at a lower portion of the transport path X so as to be orthogonal to the transport path X, and a pair of brackets 6a and 6b are mounted on the guide member 5. It is installed side by side. Marking mechanism 3 of the marking device 1
Is swingably supported by the brackets 6a and 6b. Further, at the ends of the brackets 6a and 6b, there is provided a box carry-out section 7 for carrying out the corrugated cardboard box W after the corrugated board box W has been transported by the transport device 2 and subjected to the marking process by the marking mechanism 3. There is. A traveling line L on the upper surface W2 of the corrugated board box W when the corrugated board box W is conveyed along the conveyance path X is shown by a chain line in FIGS. 1, 3 and 4.

The marking mechanism 3 is roughly divided into a first swinging mechanism 11 pivotally supported around the Q point in the lower portion on the upper side of the brackets 6a and 6b, and the first swinging mechanism. A second swing mechanism 12 that is swingably supported around an R point above a shaft support point Q of 11, and a link coupling portion that connects the first swing mechanism 11 and the second swing mechanism 12. 13 and the second
The rocking mechanism 12 is composed of a marking portion 14 fixedly connected to the back surface portion.

First, the first swing mechanism 11 will be described. A shaft 18 is rotatably suspended on a bearing 16 screwed to the inner surfaces of the lower ends of the brackets 6a and 6b (see FIGS. 2 and 5). Near the center of the shaft 18, a pair of oscillating plates 22 supporting a roller (first contact portion) 19 are pivotally supported at their free ends. This swing plate 22
Has a substantially triangular shape when viewed from the front, and a roller 19 is rotatably supported at one free end corner of both swing plates 22. In addition, a link coupling portion 13 is coupled to the other corner outer surface portion of both swing plates 22.

According to the structure of the first swinging mechanism 11, the roller 19 shown by the solid line in FIG. 3 travels from the marking processing position P (position facing the front surface W1 of the corrugated board box W in the transport direction) to the upper surface of the corrugated board box W. Shaft 1 up to above line L
It swings around 8 (axis Q).

An arm 27 is attached to the front end portion of the shaft 18, and a rod end of an air shock absorber 28 is screwed to the free end of the arm 27 so as to be freely rotatable (FIGS. 4 and 5). reference). On the other hand, the base end of the air shock absorber 28 is located at the diagonal position of the front bracket 6a at the support member 2a.
It is pin-connected via 9. This air shock absorber 28
Are provided for alleviating the impact when the first swinging mechanism 11 swings back from the swinging position to the initial position.

The second swing mechanism 12 will be described with reference to FIG. A shaft 33 is rotatably suspended on a bearing 31 screwed to the inner surface portions of the brackets 6a and 6b on the upper hand side. A pair of swing plates 37 are pivotally supported on the shaft 33 so as to surround the swing plate 22 from the outside.
The oscillating plate 37 has a substantially V shape when viewed from the front, and the rollers 34 (second contact portions) are rotatably supported by the free ends of the oscillating plates 37.

The rocking plate 37 of the second rocking mechanism 12 and the rocking plate 22 of the first rocking mechanism 11 are connected by the link connecting portion 13. Specifically, as shown in FIG. 2, the shaft 42 is suspended between the intermediate corner portions of the two rocking plates 22 of the first rocking mechanism 11 and extends to the outer surface portions of the both rocking plates 22. One ends of link members 45 are connected to both ends of the shaft 42, respectively. On the other hand, the second swing mechanism 12
A shaft 48 is installed near the base ends of the two rocking plates 37, and the other ends of the link members 45 are connected to both ends of the shaft 48.

That is, by the link coupling portion 13, the second swing mechanism 1 is interlocked with the swing of the first swing mechanism 11.
2 is configured to swing. Specifically, as described above, when the roller 19 of the first swing mechanism 11 swings from the marking processing position P onto the upper surface traveling line L of the corrugated cardboard box W, as shown in FIG. The roller 34 of the mechanism 12 extends from the marking processing position P to a position above the traveling line L (a position where the roller 34 is indicated by a chain double-dashed line).
It swings around the (axis R). The drive source that swings the first swing mechanism 11 is the transport thrust of the cardboard box W, and the marking mechanism 3 itself does not have a specific drive source.

The first swing mechanism 11 and the second swing mechanism
The swinging of the swinging mechanism 12 in the opposite direction, that is, the swinging of the rollers 19 and 34 from the swinging position to the marking processing position P side swings by the weight of the first and second swinging mechanisms 11 and 12, respectively. It is supposed to recover.

A marking portion 14 is provided on the rear surface of the swing plate 37 on the rear side of the second swing mechanism 12. Specifically, the holder 56 is screw-fixed to the two long holes 55 (see FIG. 3) formed in the swing plate 37 so that the position of the holder 56 can be adjusted, and the long holes 57 (see FIG. 2) of the holder 56 are spherical. Seat bearing unit 5
8 (see FIG. 5) is screwed so that the front-rear position can be adjusted. A support member 59 is connected to the spherical bearing unit 58, and a holding member 60 to which the stamp type stamper 10 is attached is screwed to the support member 59. Adjustment screws 61 for adjusting the levelness of the marking device 10 are screwed into both ends of the support member 59, respectively.
The angle of the support member 59 is adjusted by making contact with the outer surface of the support member 59. In addition, the marking device 10 and the holding member 60
A compression coil spring 62 (see FIG. 2) is interposed between the two.
It has elasticity in the direction.

As shown in FIGS. 4 and 5, the box carry-out portion 7 disposed at the ends of the brackets 6a and 6b is a roller bearing portion which is attached downward at both ends of a support member 71 having an L-shaped cross section. The carry-out roller 75 is pivotally connected to 74. A spring bearing ring 77 is inserted into and fixed to the rod body 76 of each roller bearing portion 74.
7 and the lower surface of the support member 71, the compression spring 78 is interposed,
It is designed to urge the carry-out roller downward. The carry-out roller 75 is configured to be rotationally driven in the direction of arrow a shown in FIG. 4 by a motor (not shown).

The marking device 1 of the embodiment is constructed as described above, and the front surface W1 of the corrugated board box W in the carrying direction will be described below.
A series of operations for performing the marking process will be described with reference to FIGS. 6 to 10.

First, regarding the positional relationship of the marking mechanism 3 in the initial state, due to its own weight, the marking surface 10a of the marking device 10 is at the marking processing position P as shown by the solid line in FIG. Roller 19 of the first swing mechanism 11
Is located. In addition, the second swing mechanism 12
The roller 34 is located slightly below the roller 19. Due to these positional relationships, the corrugated cardboard box W is on standby for transportation.

Then, the corrugated cardboard box W is provided along the transport path X.
6 is conveyed, as shown in FIG. 6, at the marking processing position P, the marking surface 10a comes into contact with the front surface W1 of the corrugated board box W in the conveying direction and is imprinted, and the roller 19 moves the front surface of the corrugated box W in the conveying direction. Contact W1. At this time, the roller 34 does not contact the front surface W1 of the cardboard box W in the transport direction.

As shown in FIGS. 7 and 8, the roller 19 abuts and rotates the front surface W1 of the cardboard box W in the carrying direction by the carrying thrust of the cardboard box W.
When the first swinging mechanism 11 reaches the upper surface W2, the first swinging mechanism 11 swings upward from the upper surface W2 in the transport direction of the cardboard box W. At the same time, the second swinging mechanism 12 linked to the first swinging mechanism 11 causes the marking surface 10a of the marking device 10 to move from the marking processing position P to the corrugated cardboard box as the first swinging mechanism 11 swings. It swings so as to exit upward from the upper surface traveling line L of W. At this time, since the roller 19 is in contact with the upper surface W2 of the cardboard box W, the entire marking mechanism 3 is in a posture of being lifted above the upper surface traveling line L (see FIG. 8) of the cardboard box W.

As shown in FIGS. 6 to 8, after marking the front surface W1 of the cardboard box W in the transport direction, the roller 19
When the cardboard box W comes into contact with the first rocking mechanism 11 and the first rocking mechanism 11 rocks around the axis Q of the shaft 18, the second linked mechanism is linked.
Since the swinging mechanism 12 swings around the axis R of the shaft 33 so as to precede the first swinging mechanism 11, a printing process can be performed without causing misalignment during printing. .

Thereafter, as shown in FIGS. 9 and 10, the corrugated cardboard box W is further conveyed, and the roller 19 abuts and rotates the upper surface W2 of the corrugated cardboard box W to the rear surface W3 in the conveying direction of the corrugated cardboard box W. When reaching, the roller 19 finishes contacting with the upper surface W2 of the cardboard box W, and the first swinging mechanism 11
The marking mechanism 3 including the unit swings to the marking processing position P side by its own weight. Due to this swinging, the second swinging mechanism 12 also swings to the marking processing position P side, and the roller 34 contacts the upper surface W2 of the corrugated cardboard box W being transported. At this time, the roller 34
Since the marking device 10 maintains its posture at a position above the upper surface W2 of the corrugated cardboard box W with which the marking device 10 is in contact, the marking device 10
The ink does not adhere to the upper surface W2 of the cardboard box W or the like.

The corrugated cardboard box W is transported to the lower side of the transport path X by the driving of the transport roller 4 of the transport device 2 (see FIG. 1) and rotation of the transport roller 75 of the transport unit 7.

After that, when the rear surface W3 of the corrugated board box W in the carrying direction reaches the roller 34 from the state shown in FIG. 10, the roller 34 finishes contact with the upper surface W2 of the corrugated board box W and the first swinging mechanism 11 Then, the second swinging mechanism 12 swings back to the marking processing position P side by its own weight, and waits for the next corrugated cardboard box to be transported at the initial position shown in FIG.

The present embodiment can be modified and implemented in the following forms. (1) The marking device 1 according to the embodiment is attached to the upper part of the conveyance path X of the conveyance device 2 so that the marking mechanism 3 swings in the vertical direction, and the marking mechanism 3 swings to the marking processing position P by its own weight. The marking device 1 is attached to the side portion or the lower portion of the transport path X, and a compression spring or the like is provided so that the marking mechanism 3 urges the marking mechanism position P side. You may comprise.

(2) In the marking device 1 according to the embodiment, the cardboard box W is attached to the end portions of the brackets 6a and 6b.
The box unloading section 7 for unloading from the box is arranged, but when the conveyor belt 4 of the conveying device 2 is extended to the lower side of the conveying path X, the box unloading section 7 is arranged. do not have to.

(3) The marking device 1 according to the embodiment is configured to drive the marking mechanism 3 by utilizing the conveyance thrust of the cardboard box W by the conveyance belt 4 of the conveyance device 2.
The marking device 1 itself may be provided with a means for transporting the cardboard box W.

(4) In the embodiment, the marking device 1 is attached to the end portion (lower side) of the conveying path X, but it may be attached to the middle of the conveying path X or the upper side. Needless to say.

(5) The marking device 1 can be mounted on any device (device or the like) in the process of transporting the corrugated board box W.

(6) The contact portions of the first and second swinging mechanisms 11 and 12 of the marking mechanism 3 according to the embodiment are composed of the rollers 19 and 34, but the present invention is not limited to this. It is sufficient if the outer surface of the cardboard box W can be brought into contact with and slid on.

[0039]

As is apparent from the above description, the second rocking body equipped with the marking device is linked to the first rocking member that rocks by utilizing the transport thrust of the corrugated board box, and the marking device is Since it is configured to swing back and forth from the marking processing position in the conveyance path to the outside of the conveyance path, expensive parts such as actuators and control equipment for retracting the marking device after marking is unnecessary, and the device It can be manufactured at low cost,
It is possible to reliably perform the marking process.

Further, since it is not necessary to temporarily stop the corrugated board box at the time of the marking processing, and the marking processing can be performed by utilizing the flow of the corrugated cardboard box being conveyed, the corrugated cardboard box can be continuously processed without lowering the transportation processing efficiency. The stamping process can be performed, and as a result, the stamping efficiency can be improved.

[Brief description of the drawings]

FIG. 1 is a front view of a state where a marking device according to an embodiment is mounted on a carrying device.

FIG. 2 is a plan view of a marking device.

FIG. 3 is a sectional view taken on line AA of FIG. 2;

FIG. 4 is a view taken along the line BB of FIG.

FIG. 5 is a left side view of FIG. 2;

FIG. 6 is an explanatory diagram showing a state in which a marking process is performed on the front surface of the conveyed cardboard box in the conveying direction at a marking processing position.

FIG. 7 is an explanatory diagram showing a state in which a roller of the first swinging mechanism is in abutting movement with respect to the front surface of the corrugated board box in the carrying direction due to the transport thrust of the corrugated board box.

FIG. 8 is an explanatory diagram showing a state in which the roller of the first swing mechanism reaches the upper surface of the corrugated board in the transport direction and the marking mechanism is in a raised state.

FIG. 9 is an explanatory diagram showing a state in which the rollers of the first swing mechanism have reached a rear surface of the cardboard box in the transport direction.

FIG. 10 is an explanatory diagram showing a state in which the roller of the second swing mechanism is in contact with the upper surface of the cardboard box in the transport direction.

FIG. 11 is an explanatory diagram showing a marking processing operation according to a conventional example.

FIG. 12 is an explanatory diagram showing a marking processing operation according to another conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Marking device 3 ... Marking mechanism 10 ... Marker 11 ... 1st rocking mechanism 12 ... 2nd rocking mechanism 19 ... Roller (1st contact part) 34 ... Roller (2nd contact part) 45 ... Link member W ... Corrugated cardboard W1 ... Front of corrugated cardboard in transport direction W2 ... Top of corrugated cardboard in transport direction (peripheral surface) P ... Marking processing position X ... Transport path

Claims (1)

[Claims] 1. A marking device for marking on a front surface of a cardboard box being transported along a transport path in a transport direction, the first thrusting end of the cardboard box utilizing a transport thrust of the cardboard box.
The abutting part is moved from the front of the corrugated board in the carrying direction to the circumferential surface along the carrying path and swings from the marking processing position in the carrying path to the outside of the carrying path, and the marking device is attached. And is linked to the first oscillating body such that the marking device reciprocates and oscillates from the marking processing position to the outside of the transport path in accordance with the oscillating movement of the first oscillating body, and
After the first contact portion of the first rocker has finished contact with the peripheral surface of the corrugated board box along the transport path, the second contact portion at its free end contacts the peripheral surface of the corrugated cardboard box. A marking mechanism including a second oscillating body that maintains the stance of the marking device outside the conveyance path, and the first oscillating body and the second oscillating body are urged toward the marking processing position side. A marking device.