JP3459911B2 - Flat plate punching device - Google Patents

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a corrugated board sheet,
The present invention relates to a flat plate punching device for punching by punching a plate-shaped member such as cardboard or film.

[0002]

2. Description of the Related Art A conventional flat plate punching device for punching a product portion after pressing a given die on a material to be punched such as a corrugated cardboard sheet will be described with reference to FIG. A stripping section 4 for removing the non-product section from the pressed blank to leave the product section and the gripper margin, and a knock-off section 51 for separating the product section from the gripper margin.
A delivery part 5 for accommodating the product part separated by the knock-off part 51, a gripper margin discharge part 6 for discharging the gripper margin with the product part separated,
The conveyance means 7 for sequentially conveying the material to be punched to the press portion 3, the stripping portion 4, and the delivery portion 5 and the conveyance means for conveying the gripper margin after the product portion has been cut off to the gripper margin discharge portion 6 are provided. It is composed.

In this flat plate punching device, materials to be punched such as corrugated cardboard sheets are stacked and set on a feeder unit 2, and the materials to be punched are fed one by one from the feeder unit 2 to a conveying means 7 and then The material to be punched is sequentially conveyed to the press section 3, the stripping section 4 and the delivery section 5 by the conveying means 7.

The conveying means 7 has an endless chain belt 72 provided with holding portions 71 for holding a gripper margin of a material to be punched at predetermined intervals, and is rotated intermittently in accordance with the punching mechanism of the press portion 3. Wheel 73
The holder 71 is rotatably driven so as to pass through the press unit 3, the stripping unit 4, and the delivery unit 5 in sequence.

The press section 3, stripping section 4,
The delivery parts 5 are arranged at equal intervals, and when the chain belt 72 of the conveying means 7 is driven to rotate intermittently, a plurality of punched materials held by the holding part 71 are pressed by the press part 3 and the stripping part. 4, the delivery part 5 can be stopped at a fixed position at the same time.

In the press section 3, the product to be punched is divided into a product portion, a gripper margin, and a non-product portion,
A given mold is pressed.

In the stripping section 4, only the non-product part is removed from the pressed material to be punched, leaving the product part and the gripper margin.

The delivery section 5 includes the delivery section 5
Near the exit of the chain belt 72 of the conveyor 7.
A knock-off portion 51 that separates the product portion from the gripper margin is disposed more inwardly so as to be vertically movable. The knock-off section 51 is drive-controlled so as to descend when the material to be punched is conveyed to the delivery section 5 and temporarily stopped at a fixed position. The product part separated by the knock-off part 51 is housed in the delivery part 5.

The product portion housed in the delivery section 5 is
It is moved to the discharge table 52 which moves up and down.

Further, the material to be punched after the product portion is separated by the knock-off portion 51 has only the gripper margin held by the holding portion 71 of the chain belt 72, and this gripper margin is transferred by the transfer means. It is transferred to the gripper margin discharge part 6 and discharged outside the apparatus.

The gripper margin is a remaining portion obtained by separating the product portion and the non-product portion from the material to be punched, and usually has a narrow width but a long shape.

In the gripper margin discharge section 6, this long gripper margin is discharged horizontally as it is. In the conventional gripper margin discharge section 6, as shown in FIG. A shooter 63 for guiding the discharged gripper margin downward is provided so as to project to the side surface from the flat plate punching device.

Further, in order to receive the gripper margin guided by the shooter 63, as with the shooter 63, a recovery box having the same size as the gripper margin or larger is required, and a very large space is required.

[0014]

However, since the shooter 63 receives the long gripper margin as it is in the horizontal direction as described above, it requires at least the same size as the gripper margin, so that the entire apparatus is large. There was a problem that became. In order to deal with this, if the shooter 63 is formed smaller than the lengthwise dimension of the long gripper margin, the gripper margin may be caught by the front portion 63a of the shooter 63 and may not be discharged smoothly. Many.

In order to avoid this, if the gripper margin is cut short, the apparatus becomes very complicated and the cost becomes high.

Therefore, an object of the present invention is to provide a flat plate punching device in which a long gripper margin is not clogged at a discharge portion.

[0017]

In order to effectively achieve the above-mentioned object, a flat plate punching device according to a first aspect of the present invention comprises a press section for pressing a predetermined die on a material to be punched, and a pressed die. A stripping part that removes the non-product part from the punched material leaving the product part and the gripper margin, and a knock-off part that separates the product part from the gripper margin.
A delivery part that accommodates the product part separated by the knock-off part, a gripper margin discharge part that discharges the gripper margin where the product part is separated, and a punching material are sequentially conveyed to the press part, stripping part, and delivery part. In a flat plate punching device equipped with a conveying means and a transferring means for transferring the gripper margin from which the product portion has been separated to a gripper margin discharging section, the gripper margin discharging section sequentially shifts the gripper margin transferred by the transferring means. The structure is provided with gripper margin processing means that bends and guides it toward the ground and discharges it.

According to a second aspect of the present invention, in the flat plate punching apparatus according to the first aspect of the invention, the gripper margin processing means transfers a drum that has blades and that rotates in an axial direction perpendicular to the transfer direction of the gripper margin. The gripper margin, which is provided at the downstream end portion of the means, to which the blades of the drum have been transferred is sequentially bent, and the gripper margin is guided toward the ground and discharged.

According to a third aspect of the present invention, in the flat plate punching apparatus, the rotation of the drum is interlocked with the transfer means of the gripper margin discharging section.

[0020]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of a flat plate punching device according to the present invention will be described below in detail with reference to the drawings. Figure 1
5 shows one embodiment of the flat plate punching device according to the present invention.

As shown in FIGS. 1 and 2, the flat plate punching device 1 has a feeder unit 2 for stacking and setting punched materials 10 such as corrugated cardboard sheets, and a predetermined die is pressed on the punched materials 10. A pressing part 3 and a stripping part 4 for removing a non-product part 13 from a pressed material 10 to be punched leaving a product part 11 and a gripper margin 12;
A knock-off part 51 for separating the product part 11 from the gripper margin 12, a delivery part 5 for containing the product part 11 separated by the knock-off part 51, and a gripper margin discharge part for discharging the gripper margin 12 from which the product part 11 is separated. 6, a conveying means 7 for sequentially conveying the punched material 10 in the order of the press portion 3, the stripping portion 4, and the delivery portion 5, and the gripper margin 12 from which the product portion 11 has been separated, to the gripper margin discharge portion 6. And a transfer means 8.

The conveying means 7 includes an endless chain belt 72 having holding portions 71 for holding the gripper margin 12 of the material 10 to be punched at predetermined intervals.
It is constructed by being stretched over a rotating wheel 73 which is intermittently driven to rotate by the punching mechanism of.

The conveying means 7 is provided with the punching materials 10 stacked on the feeder section 2 when they are taken out one by one.
While holding the gripper margin 12 by the holding portion 71 and holding the material 10 to be punched, the endless chain belt 72 is intermittently rotatably driven so as to sequentially pass through the press portion 3, the stripping portion 4, and the delivery portion 5. I have to.

The pressing unit 3, the stripping unit 4,
The delivery parts 5 are sequentially arranged at equal intervals, and when the chain belt 72 of the conveying means 7 is driven to rotate intermittently, the plurality of punched materials 10 held by the holding part 71 are pressed by the press part 3. The holding portions 71 are provided at equal intervals on the chain belt 72 so that the stripping portion 4 and the delivery portion 5 can be simultaneously stopped at fixed positions.

The press section 3 is provided on the discharge side of the feeder section 2, is fixed at a position above the material 10 to be punched and is fixed, and a fixed plate 31 on which a predetermined die is mounted, It is arranged below the conveyed material 10 to be punched and is configured to press the die by sandwiching the material 10 to be punched by a holding plate 32 which moves up and down with respect to a fixed platen 31. ing.

Then, in the press section 3, a die is pressed on the material to be punched 10 so as to divide the material to be punched 10 into a product portion 11, a gripper margin 12 and a non-product portion 13.

A stripping section 4 is provided on the downstream side of the pressing section 3. In the stripping section 4, a non-product section is left from the pressed blank 10 leaving a product section 11 and a gripper margin 12. Only 13 will be removed.

In the delivery section 5 provided on the downstream side of the stripping section 4, near the outlet of the delivery section 5 and inward of the chain belt 72 of the conveying means 7, from the gripper margin 12 to the product portion. A knock-off portion 51 for separating 11 is provided so as to be vertically movable.

This knock-off portion 51 is used for the material 10 to be punched.
Is controlled to descend when it is conveyed to a fixed position of the delivery unit 5 and temporarily stopped. The product portion 11 separated by the knock-off portion 51 is housed in the delivery portion 5.

The delivery section 5 is provided with a discharge table 52 for accommodating the product portion 11. The discharge table 52 is configured to move up and down, and an upper position for receiving the product portion 11 separated by the knock-off portion 51 and the stacked product portion 11 for carrying out the conveyor 5
It moves up and down to the lower position to move to 3.

The delivery unit 5 is provided with an unloading unit 54 that moves back and forth within the delivery unit 5, and advances the unloading unit 54 into the delivery unit 5 when the discharge table 52 is in the lower position. Therefore, the product portion 11 is received.

Further, as shown in FIG.
In the downstream of the chain belt 72, which is rotated around the rotary wheel 73 and is raised, the transfer means 8 is provided with the transfer means 7.
It is provided in the direction orthogonal to.

As shown in FIG. 4, the transfer means 8 has a gripper margin 12 after the product portion 11 and the non-product portion 13 are released from the chain belt 72.
Is provided with a belt conveyor 81, and the belt conveyor 81 extends to the gripper margin discharge unit 6.

As shown in FIG. 2, the material to be punched 10 has a non-product portion 13 and a product portion 11 in the process of being conveyed in the direction of arrow a by the holding portion 71 of the conveying means holding the gripper margin 12. Separated, both 11, 13
Long gripper margin 12 after the is separated
Is released above the belt conveyor 81 of the transfer means 8 and drops, and is conveyed by the belt conveyor 81 in the direction of arrow b,
That is, it is transferred to the gripper margin discharge section 6 side.

As shown in FIGS. 3 and 4, the gripper margin discharge portion 6 provided at the downstream end portion of the belt conveyor 81 is provided so as to project to the side surface of the apparatus 1, and A guide cover 61 that opens toward the ground at the downstream end of the transfer path 81.
And a gripper margin processing means 62 for sequentially bending the gripper margin 12 transferred by the belt conveyor 81 and guiding the gripper margin 12 toward the ground to perform discharge processing.

The gripper margin processing means 62 is arranged at a position facing the downstream end portion of the belt conveyor 81 inside the guide cover 61, and has four blades 62.
drum 62b provided with a, 62a, 62a, 62a,
The blades 62a, 62a of the drum 62b are sequentially driven to rotate in an axial direction perpendicular to the transfer direction of the belt conveyor 81, and the blades 62a, 62a, ... Direction) and discharge treatment.

More specifically, as shown in FIGS. 4 to 6, the gripper margin processing means 62 is a drum 62b having four blades 62a, 62a, ...
However, it is configured to be rotatably supported by a frame body 62c into which the guide cover 61 can be attached.

Then, the power transmitted to the sprocket provided on one end of the shaft around which the belt conveyor 81 is stretched is transmitted to the sprocket 81a on the other end via the shaft, and as shown in FIG. Through the roller chain 62d to the sprocket 6 at the upper end of the downstream end
2e is transmitted.

The power transmitted to the sprocket 62e is further transmitted through the shaft 62f having the sprocket 62e at one end to the sprocket 62g at the other end.
Is transmitted to the sprocket 62g, and the load chain 62h is also hung on the sprocket 62g.
Sprocket 62k provided at one end of the shaft core of 2b
The power is transmitted to the drum 62b.

As a result, the four blades 62a, 62a
The drum 62b provided with ... Is driven to rotate in the direction of sending the transferred gripper margin 12 downward in association with the belt conveyor 81. The gripper margin 12 has four blades 62a, 62a ...
While being sequentially bent by, it is guided downward (toward the ground) and discharged.

According to the flat plate punching device 1 thus constructed, the blades 62a, 62a of the drum 62b of the gripper margin processing means 62, which is rotationally driven in conjunction with the transfer speed of the belt conveyor 81 of the transfer means 8, .. can reliably catch the long gripper margin 12 after the product portion 11 and the non-product portion 13 are separated, and can guide the downward gripping direction (ground direction) while sequentially bending and collect and discharge.

Therefore, although the gripper margin 12 is long, it can be smoothly discharged and collected without being clogged in the gripper margin discharge portion 6 without requiring a separate step such as cutting into small pieces. .

Further, since the drum 62b of the gripper margin processing means 62 is driven to rotate in conjunction with the belt conveyor 81 of the transfer means 8, the gripper margin 12 transferred at a predetermined speed can be reliably captured. The blades 62a, 62a, ... Can be rotationally driven, and the rotation speed of the drum 62b is too slow with respect to the transfer speed of the gripper margin 12, so that the gripper margin 12 hits the drum 62b or the frame body 62c and is clogged. Never. On the contrary, the rotation speed of the drum 62b is too fast for the transfer speed of the gripper margin 12, so that the drum 62b does not run idle.

The flat plate punching device 1 according to the present invention is not limited to the above-mentioned structure, but may have the following structure. That is, in the above embodiment, the transfer of the transfer means 8 and the gripper margin processing means 6 are performed.
Although the rotational drive of the transfer means 2 is configured to be interlocked with each other, the invention is not limited to this. For example, the gripper margin processing means 62 is provided with a drive source separate from the transfer means 8 and the transfer speed of the transfer means 8 is set. And the transfer means 8
It is also possible to configure so that the transfer speed and the rotation speed of the gripper margin processing means 62 are synchronized.

Also, the drum 6 of the gripper margin 62
It is also possible to form the blades 62a, 62a of 2b by increasing or decreasing the number of blades appropriately. In this case, the blades 62a, 62a ... It is preferable to adjust the speed with the means 8.

[0046]

According to the first aspect of the present invention, the gripper margin discharging section is provided with the gripper margin processing means for sequentially bending the gripper margins transferred by the transfer means and guiding the gripper margins toward the ground to discharge the gripper margins. Therefore, the gripper margin can be smoothly discharged and collected without being clogged at the gripper margin discharge part. As a result, there is an advantage that the gripper margin discharge portion can be downsized and the entire apparatus can be downsized.

According to the second aspect of the invention, the gripper margin processing means is provided with a drum having blades and rotating in the axial direction perpendicular to the transfer direction of the gripper margin at the downstream end portion of the transfer means, Since the blades of the drum are configured to sequentially bend the gripper margin that has been transferred and guide it toward the ground to discharge it, the blades of the drum reliably catch the gripper margin and sequentially bend, so that the gripper margin does not clog and is smooth. It can be discharged and collected.

According to the third aspect of the invention, since the rotation of the drum is interlocked with the transfer means, the drum provided with the blades rotates in accordance with the speed of the gripper margin being transferred, and the gripper margin is further increased. The gripper margin discharge part can be surely discharged and collected smoothly without being clogged.

[Brief description of drawings]

FIG. 1 is an operation explanatory view of a flat plate punching device according to an embodiment of the present invention.

FIG. 2 is an explanatory diagram showing a conveyance direction of a material to be punched.

3 is a perspective view showing a gripper margin discharge part of the flat plate punching device shown in FIG. 1. FIG.

4 is a schematic cross-sectional view of a gripper margin discharge portion of the flat plate punching device shown in FIG.

5 is a side view of a gripper margin discharge part in the flat plate punching device shown in FIG. 1. FIG.

6 is a front view of a gripper margin discharge part in the flat plate punching device shown in FIG. 1. FIG.

FIG. 7 is a perspective view of a gripper margin discharging portion according to a conventional example.

[Explanation of symbols]

1: Flat plate punching device 10: Material to be punched 11: Product part 12: Gripper margin 13: Non-product part 2: Feeder section 3: Press department 4: Stripping section 51: Knock off part 5: Delivery department 6: Gripper margin discharge part 61: Guide cover 62: Gripper margin processing means 62a: feather 62b: drum 7: Transporting means 8: Transfer means

Claims (3)

(57) [Claims] 1. A press part for pressing a predetermined die on a material to be punched, a stripping part for removing a non-product portion from the pressed material to be punched leaving a product portion and a gripper margin, and a product portion from the gripper margin. A knock-off part for separating the product, a delivery part for accommodating the product part separated by the knock-off part, a gripper margin discharge part for discharging the gripper margin where the product part is separated, a press part for the material to be punched, a stripping part, In a flat plate punching device equipped with a transporting means for sequentially transporting to the delivery part and a transporting means for transporting the gripper margin from which the product part has been separated to the gripper margin discharge part, the gripper margin discharge part is transported by the transfer means. Bending the gripper margin in order and guiding it toward the ground Tairaban punching apparatus characterized in that it comprises a gripper margin processing means for discharging process. 2. The gripper margin processing means comprises a drum having a blade and rotating in an axial direction perpendicular to the transfer direction of the gripper margin at the downstream end portion of the transfer means, and the blade of the drum is transferred. The flat plate punching device according to claim 1, wherein the gripper margin is sequentially bent and guided toward the ground and discharged. 3. The flat plate punching device according to claim 2, wherein the rotation of the drum is interlocked with the transfer means of the gripper margin discharge part.