JP3203434B2 - Method and apparatus for cutting strip-shaped plate material - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to batch cutting of relatively thin strips such as laminated cardboard.

[0002]

2. Description of the Related Art Materials for box making include wood, cardboard,
Plastics and the like are generally used.
It is a material that has been used for a long time, and is excellent in terms of breathability, water absorption, robustness, and the like, and that it can provide a sense of quality. However, at present, timber is expensive and the use of cardboard must be reduced as much as possible from the viewpoint of resource conservation. I have. For example, by cutting a piece of cardboard having wood grain decorative paper stuck on one side, folding this at the longitudinal W cut position provided on the anti-decorative paper side surface, and bonding it together,
It is possible to form a thick strip-shaped plate material for a car box with a feeling like a wooden board.

[0003]

By the way, when the strip-shaped plate member formed as described above is used, for example, as a material for a box, it is cut into a required box chip according to the dimensions of the box. When performing a process of processing a sheet of cardboard into chips for side plates and end plates by a series of production lines, the strip-shaped plate material formed to a certain length is adjusted to the working speed of the front and rear processes. An important issue is how to cut efficiently.

The present invention has been made to solve such a problem, and an object of the present invention is to enable a strip-shaped plate to be cut at a time and efficiently.

[0005]

SUMMARY OF THE INVENTION The present invention firstly provides a method of cutting a plurality of strips into a fixed size by cutting a plurality of strips at a time. After a certain amount of strip-shaped plate is gripped from the horizontal direction by a hand and transferred to a fixed position below the rotary saw blade, then the hand is rotated to turn the strip-shaped plate upward, and then the hand is moved to the rotary saw blade. And raise the hand to cut the strip-shaped plate, and after cutting, lower the hand to the fixed position, then rotate the hand at the fixed position to turn the strip-shaped plate downward, open the hand, and unload the strip-shaped plate. It is characterized by being dropped on a device.

A second aspect of the present invention is a strip-shaped plate material cutting apparatus for cutting a large number of strip-shaped plate materials at a time into a fixed size, comprising: a rotary saw blade rotating at a fixed position; A stacking device that is arranged diagonally below the side of the blade and stacks the strip-shaped plates, a pusher that pushes a certain amount of strip-shaped plates stacked in the stacking device toward the lower side of the rotary saw blade, a fixed position and the stacking device; Between the fixed position and the cutting position of the rotary saw blade, and can be moved up and down between the fixed position and the cutting position of the rotary saw blade, and can be rotated around the axis parallel to the axis of the rotary saw blade at the fixed position. A hand for holding a strip-shaped plate, and a horizontal drive that moves the hand from the home position to the stacking unit and retracts the hand to the home position while holding the fixed amount of the strip-shaped plate pushed out by the pusher Means,
Up and down drive means for raising the hand holding a certain amount of strip-shaped plate material from the fixed position toward the rotary saw blade, and lowering the hand to the fixed position together with the strip-shaped plate material cut by the rotary saw blade, The hand holding the strip-shaped plate and retreating from the stacking device is rotated at a fixed position so that the strip-shaped plate is turned upward in preparation for cutting, and the hand holding the cut strip-shaped plate is moved at a fixed position. Rotation driving means is provided for rotating downward so as to drop, and for returning the hand with the strip-shaped plate material released in a direction toward the stacking device at a fixed position.

[0007]

According to the method for cutting a strip-shaped plate material of the present invention, the strip-shaped plate materials are accumulated, and a fixed amount of the accumulated strip-shaped plate materials is gripped by a hand from the horizontal direction. Then, the certain amount of the strip-shaped plate material is gripped by the hand and transported below the rotary saw blade, and then turned upward, together with the hand toward the rotary saw blade, and cut to a fixed size. Further, the cut strip-shaped plate material descends together with the hand, and then is turned downward and falls onto the unloading device when the hand is opened.

Further, according to the strip plate cutting apparatus of the present invention, the rotary saw blade rotates at a fixed position, and the strip plate material is fed to an accumulating device disposed diagonally below the rotary saw blade. Is accumulated. Then, when the strip-shaped plate material is accumulated in the stacking device for a predetermined amount or more, the pusher operates to push out a fixed amount of the strip-shaped plate material in a direction toward the lower side of the rotary saw blade. The user moves from the lower fixed position and is gripped by the waiting hand. And
After the hand retreats to the home position, the strip-shaped plate moves below the rotary saw blade, and then the hand rotates to turn the strip-shaped plate upward, and then moves up with the hand and is cut by the rotary saw blade. . Then, the cut strip-shaped plate material descends while being gripped by the hand, is turned downward by the rotation of the hand, and falls when the hand is opened. In addition, the hand that has released the strip-shaped plate member in this way returns to the standby state in preparation for cutting of the next work.

[0009]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a structural view of a cutting device according to an embodiment of the present invention, and FIGS. 2 to 11 are explanatory diagrams of the operation of the device. This embodiment is applied to the cutting of a strip-shaped plate material formed of laminated cardboard. In the figure, reference numeral 1 denotes a rotary saw blade which is driven to rotate at a fixed position. This rotary saw blade 1
Is disposed behind a pressure unit 3 for transferring a strip-shaped plate material (work) 2 formed by cutting and bonding a cardboard paperboard from above and below to strengthen the bonding. The pressure unit 3 is driven by a pair of upper and lower rollers 4 and 5 (only the downstream roller in the transfer direction is shown in the figure), a pair of upper rollers 4 and a pair of lower rollers 5. Belts 6 and 7. The pressure unit 3 is provided with an arc-shaped guide 8 for inverting the transferred work 2 and guiding the work 2 downward around the lower roller 5, and the lower end of the guide 8 is opened up and down. A stacking box 9 is provided. At a position facing the lower end of the stacking box 9, a stacking lifter 10 that moves up and down between an upper limit position for closing the lower end thereof and a lower limit position 20 sheets below the lower end is provided. ing. In addition, a hand 11 is arranged below the rotary saw blade 1, and at a position facing the hand 11 across the stacking lifter 10, the work 2 is placed along the table 12 flush with the upper surface of the stacking lifter 10 at the lower limit position. A pusher 13 is provided so as to push out to the hand 11 side.

The hand 11 is driven by a horizontal driving cylinder 14 so as to be able to move back and forth between a fixed position just below the rotary saw blade 1 and the stacking device 9, and is driven by a vertical driving cylinder 15. It can move up and down between the fixed position and the rotary saw blade 1. The hand 11 is rotatable at the fixed position by being driven by the stepping motor 16.

A conveyor 17 for carrying out a work is provided below the hand 11 at the fixed position.

The work 2 transferred by the pressurizing unit 3 is guided by a guide 8 and is accumulated in an accumulation box 9 as shown in FIG. At this time, the pusher 13 is at the standby position, and the stacking lifter 10 rises to the upper limit position to close the lower end of the stacking box 9. Further, the hand 11 moves forward and waits in the open operation state.

When a sensor (not shown) detects that a predetermined amount (for example, 20) of the works 2 have been accumulated in the accumulation box 9, the accumulation lifter 10 is lowered to the lower limit position as shown in FIG. Then, the pusher 13 operates to push out a certain amount of the work 2, and the hand 11 grips the certain amount of the work 2. After a certain amount of the work 2 is extruded, the integrated lifter 10 moves up to the upper limit position again. The hand 11 holding a certain amount of the work 2
Driven by the horizontal drive cylinder 14, FIG.
As shown in (2), the pusher 13 is retracted to the fixed position below the rotary saw blade 1, and the pusher 13 is retracted to the standby position.

The hand 11 holding the fixed amount of the work 2 and retreating to the home position rotates upward by 90 degrees as shown in FIG. 6 to turn the work 2 toward the rotary saw blade 1. Then, the drive cylinder 15 in the vertical direction is operated, the hand 11 is raised as shown in FIG. 7, and the rotary saw blade 1 cuts the work 2.

When the cutting of the work 2 is completed, the hand 11 descends to the home position as shown in FIG. 8, and then rotates and opens by 180 degrees as shown in FIG. Then, the work 2 is carried out by the conveyor 17 as shown in FIG. The hand 11 rotates 90 degrees toward the accumulation box 9 and then advances to the standby position in preparation for the next work 2 as shown in FIG.

[0017]

As described above, the present invention is constructed as described above, so that strip-shaped plate members can be cut at a time and efficiently, and productivity is improved.

[Brief description of the drawings]

FIG. 1 is a structural diagram of a cutting device according to an embodiment of the present invention.

FIG. 2 is an operation explanatory view of a cutting device according to one embodiment of the present invention (part 1);

FIG. 3 is an operation explanatory view of a cutting device according to an embodiment of the present invention (part 2);

FIG. 4 is an operation explanatory view of a cutting device according to one embodiment of the present invention (part 3);

FIG. 5 is an operation explanatory view of a cutting device according to an embodiment of the present invention (part 4).

FIG. 6 is an operation explanatory view (part 5) of the cutting device according to one embodiment of the present invention;

FIG. 7 is an operation explanatory view (part 6) of the cutting device according to one embodiment of the present invention;

FIG. 8 is an operation explanatory view (part 7) of the cutting device according to one embodiment of the present invention;

FIG. 9 is an operation explanatory view (part 8) of the cutting device according to one embodiment of the present invention;

FIG. 10 is an operation explanatory view of a cutting device according to an embodiment of the present invention (part 9).

FIG. 11 is an operation explanatory view (10) of the cutting device according to one embodiment of the present invention;

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 rotary saw blade 2 work (strip-shaped plate material) 9 stacking box 10 stacking lifter 11 hand 13 pusher 14 drive cylinder (horizontal drive means) 15 drive cylinder (vertical drive means) 16 stepping motor (rotation drive means) 17 conveyor (unloading device) )

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B26D 1/14-1/147 B26D ⁷ /00-7/34

Claims (2)

(57) [Claims] 1. A method for cutting a plurality of strips into a fixed size by batch-cutting a plurality of strips, wherein the strips are stacked, and a certain amount of the strips is collected by a hand from a horizontal direction. Grabbed and transferred to a fixed position below the rotary saw blade, then rotate the hand to turn the strip plate upward, raise the hand toward the rotary saw blade and cut the strip plate. After cutting, lower the hand to the home position,
A method for cutting a strip-shaped plate material, comprising: rotating the hand at the fixed position so that the strip-shaped plate material faces downward, and then opening the hand to drop the strip-shaped plate material onto a carry-out device. 2. A cutting device for a strip-shaped plate material for cutting a large number of strip-shaped plate materials at a time to a fixed size, comprising: a rotary saw blade rotating at a fixed position; and a diagonally lower side portion of the rotary saw blade. And a pusher for pushing a certain amount of the strips of material accumulated in the stacking device downwardly of the rotary saw blade, and a forward and backward movement between a fixed position and the stacking apparatus. A strip-shaped member that is vertically movable between the fixed position and the cutting position of the rotary saw blade, and is rotatable around an axis parallel to the axis of the rotary saw blade at the fixed position. A hand for holding a plate material, and moving the hand from the home position toward the stacking unit, and holding the hand to the home position in a state where the hand holds a certain amount of strip-shaped plate material pushed out by a pusher. Horizontal drive means to retract Raising and lowering the hand holding the fixed amount of the strip-shaped plate material from the fixed position toward the rotary saw blade, and lowering the hand to the fixed position together with the strip-shaped plate material cut by the rotary saw blade. Driving means, holding the fixed amount of strip-shaped plate material and retreating the hand from the accumulating apparatus, rotating the hand so that the strip-shaped plate material faces upward in preparation for cutting at the fixed position, and cutting the cut strip-shaped plate material. A rotational drive for rotating the gripped hand downward so as to drop the strip-shaped plate material at the fixed position, and for rotating the hand separated from the strip-shaped plate material in the fixed position in a direction facing the stacking device. An apparatus for cutting a strip-shaped plate material, comprising: