JPH09155793A - Cutting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To accurately perform cutting operations into prescribed dimensions regardless of the size of cutting dimension, and furthermore perform selective discharge after cutting has been done even when the kinds of rubber block bodies are mixedly fed. SOLUTION: A feed conveyor 11 carrying rubber block bodies 1 is placed on the floor, and is provided with a column 12 in a reversed L shape from which a horizontal arm 12a is extended, while being adjacent to the end part at the tip end side of the feed conveyor 11, and with a feed and discharge device 14 which is over-hanged to the side of the feed conveyor 11 from the column 12, and pushes each block body so as to move it to a cutting table 13. And furthermore, the horizontal arm 12a is provided with a cutter 15 which cuts each block body 1 into a prescribed dimension from its tip end side in order, and a plurality of the lines of discharge conveyors 17 for discharging the block bodies 1 cut out by the cutter 15, are provided for the tip end side of the cutting table 13. A series of cutting operations for the block bodies 1 is automatically performed while being controlled by a control board wherein these operations are interlocked with the detection of each block body 1 by photo sensors 21, 22, 23 and 24 provided for the rear end side, intermediate part and tip end part of the feed conveyor 11, and for the tip end side of the cutting table 13.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cutting device for sequentially cutting a supplied rubber block body to a predetermined size and discharging it.

[0002]

2. Description of the Related Art Conventionally, a rubber block body (for example, 50
0 mm x 600 mm x 500 mm cube) 3-4
In the case of longitudinally cutting into individual pieces, a method is used in which the uncut block bodies are arranged on a conveyor, supplied to a so-called guillotine cutter, and sequentially cut into predetermined dimensions from the end side.

[0003]

However, in the conventional method as described above, the cutting width of the block body varies, and the dimension (width) of the final cutting portion is the cutting table (cutting blade receiving table). If it is smaller, there is a problem that it becomes unstable, and it is impossible to cut into accurate dimensions.

The present invention has been made in view of the above problems, and an object of the present invention is to solve these problems and to accurately measure a predetermined size regardless of the cutting size. (EN) Provided is a cutting device which can be cut into pieces and which can be selectively discharged after cutting even if the types of rubber block bodies are mixed and supplied.

[0005]

In the cutting device of the present invention, a feed conveyor for conveying a block of rubber is arranged on the floor, and a horizontal arm extends adjacent to the end portion on the front end side of the feed conveyor. A Γ-shaped support provided, and a supply / discharge device that extends to the supply conveyor side from the support and moves the block body that has been conveyed by a rotating operation to a cutting table by pushing the block further, and further. The horizontal arm of the support column is provided with a cutter that is vertically operated to sequentially cut the block body into a predetermined size from the tip side thereof, and discharge for discharging the block body cut by the cutter. A plurality of conveyors are arranged on the tip side of the cutting table, and a series of cutting operations of the block body are provided on the rear end side of the supply conveyor, the intermediate section, the tip section, and the tip side of the cutting table. In conjunction with the detection of the block body by the light sensor, characterized in that it is automatically performed while being controlled by the control panel.

In the cutting of the block body by the above cutting device, when there is a surplus with respect to the final cutting dimension (width) and stable cutting cannot be performed, the cutting is postponed and the feeding / discharging device pushes it out and discharges it as it is. It is possible to

Further, when the feeding / discharging device is operated and positioned below the cutting blade, the position of the feeding / discharging device is monitored by an optical sensor so that the cutting blade is not lowered by mistake. ing.

An optical sensor used in the cutting apparatus of the present invention is provided with a light emitter and a light receiver in a pair so as to face each other, and when the projected light is blocked and the light reception of the light receiver is blocked, an object is detected. It is designed to detect that a car has passed.

[0009]

In the cutting device of the present invention, the block body conveyed by the supply conveyor is pushed by the supply / discharge device and sent to the cutting table. At this time, the tip of the block body is detected by the optical sensor. While the distance between the tip of the block body and the cutting blade is set and positioned, the block body is sequentially cut to a predetermined size by repeating this operation, and the cut block body is carried out by the discharge conveyor. Therefore, the optical sensor always detects the tip and the end of the block body to set the cutting width, and the cutting can be performed with an accurate size (cutting width) without the variation of the cutting width or the cutting error as in the conventional case.

Further, when the block body is insufficient with respect to the final cutting dimension (width), or has a slight surplus, and stable cutting cannot be performed, the cutting is postponed and the supply / discharge device is used. It can be pushed out and discharged as it is.

Further, at the time of cutting in which the types of rubber block bodies are mixed, a control panel is programmed, that is, by setting the order of conveyance by the supply conveyor, a plurality of arranged discharge conveyors perform selective discharge. It is possible.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments will be described below with reference to the drawings. FIG. 1 is a front view showing an example of the cutting device of the present invention. In FIG. 1, the cutting device of the present invention comprises a supply conveyor 11, a supply / discharge device 14 provided on a Γ-shaped support 12, a cutter 15, a cutting table 13 below the cutter 15, and a discharge conveyor in sequence. Is configured.

That is, the supply conveyor 1 that conveys the rubber block body 1 to a position slightly behind the illustrated position.
1 is arranged on a floor that is one step lower, with its belt being substantially flush with the floor.

Adjacent to the end portion on the front end side of the supply conveyor 11, there is provided a Γ-shaped support column 12 provided with a horizontal arm 12a protruding (on the front side in the drawing).
From the side surface of the support column 12, the block body 1 which is projected toward the supply conveyor 11 side and is conveyed is pushed backward by the rotation operation of the two arms 14a, and the cutting table 13 of the other side is pushed.
A feeding / discharging device 14 is provided which is moved by pushing up to.

Further, a cutter 15 is provided on the horizontal arm 12a of the column 12. This cutter 15
Since the block body 1 is vertically cut into predetermined dimensions (width) sequentially from the tip side thereof, the cutting blade 15a is held at the tip. The cutter 15 is connected to an upper hydraulic cylinder 15a and is operated downward to descend to a position where the block body 1 is pushed down, that is, a position where it abuts on the upper surface of the cutting table 13.

In order to discharge the block body cut by the cutter 15 forward, a plurality of discharge conveyors 17 (not shown) are arranged on the tip side of the cutting table 13. This discharge conveyor 17 is provided in a plurality of lines in order to enable selection and discharge when a block body of a different type is supplied to the supply conveyor 11 and cut.

In the above series of cutting devices, the cutting width is determined by grasping the moving position of the block body 1 and detecting the tip position of the block body 1. Optical sensors 21, 22, 23, and 24 are provided on the front side of the section and the cutting table 13.
The optical sensors 21 and 22 are for monitoring passage of the block body, the optical sensor 23 is for preventing malfunction of the cutter 15 of the descending supply / discharge device 14, and the optical sensor 24 is further provided.
Are provided for setting the cutting position of the block body 1, respectively.

That is, in cooperation with the detection of the position of the block body 1 conveyed by the supply conveyor 11, the control device (not shown) operates the supply / discharge device 14 and the cutter 15 cuts the block body 1. , And the sorting and discharging of the varieties by the discharging conveyor 17 of the cut blocks are controlled.

(Operation of Embodiment) The operation of the cutting apparatus of this embodiment will be described below with reference to FIGS. In FIG.
The block body 1 is conveyed on the supply conveyor 11,
When the tip reaches the position of the optical sensor 24 and the light reception is blocked, the optical sensor 24 detects the arrival of the block body 1 and the supply conveyor 11 is stopped. In this state,
The first cutting position is set, the cutter 15 is lowered by the operation of the hydraulic cylinder 16 as shown in FIG. 2, and the vertical cutting of the block body 1 by the cutting blade 15a is completed. The cutting width at this time can be set to 150 to 200 mm.

The cutting blade 15a of the cutter 15 is provided with a wedge-shaped push-down piece, and the cut block body 1a is pushed forward and rides on the discharge conveyor 17, and at the same time, moves on the discharge conveyor 17. It is transported and discharged. With the completion of discharging the block body 1a,
The detection action of the optical sensor 24 confirms the absence of the block body 1 at this position.

When the absence of the block body 1 is confirmed, the supply conveyor 11 is activated again to start the forward transportation of the block body 1. At the same time, the feeding / discharging device 14 descends while rotating to move the block body 1 to a predetermined position by pushing backward, and the cutting position is set again by the detection of the optical sensor. The disconnection is completed.

At this time, the supply / discharge device 14 is retracted by a distance of 30 mm for a fixed time. That is, cutter 1
At the time of cutting by 5, the block body 1 is crushed by the rubber-like elasticity and presses the supply / discharge device 14, so that the block body 1 is prevented from being damaged and the block body 1 is prevented from falling backward. There is.

When the above-mentioned cutting is repeated several times, the cutting residue of the block body 1 is reduced and there is no need for cutting (when the cutting width is insufficient or a slight cutting residue is left, it is normal. If it is difficult to cut,)
As shown in FIG. 3, the supply / discharge device 14 includes a cutting table 13
Then, the remaining block body 1 is pushed out onto the discharge conveyor 17 and discharged.

When the cutting of the first block body 1 is completed by the above series of operations, the supply / discharge device 14
After returning to the original position, the preparation for cutting the next block body is completed.

In the cutting device of the present invention, for example, natural rubber (width 500 mm × length 600 mm × height 500 m) is used based on the order programmed in the control panel (not shown).
m) and synthetic rubber (width 500 mm × length 500 mm × height 500 mm) are supplied to the supply conveyor 11, the cut block bodies can be sorted by the discharge conveyor 17 and discharged separately. it can.

[0026]

In the cutting device of the present invention, the block body conveyed by the supply conveyor is pushed by the supply / discharge device and sent to the cutting table. At this time, the tip of the block body is moved by the optical sensor. While detecting, the distance between the tip of the block and the cutting blade is set and positioned,
The block body is sequentially cut to a predetermined size by repeating this operation, and the cut block body is carried out by the discharge conveyor, so that the tip and end of the block body are always detected by the optical sensor. The cutting width is set, and cutting with accurate dimensions (cutting width) is performed without variations in cutting width and cutting errors as in the past.

If the block body is insufficient for the final cutting dimension (width), or if there is some surplus and stable cutting cannot be performed, the cutting is postponed and the supply / discharge device is used. It can be pushed out and discharged as it is.

Further, at the time of cutting in which the rubber block type is mixed, the control panel is programmed, that is, by setting the order of conveyance by the supply conveyor, a plurality of arranged discharge conveyors perform selective discharge. It is possible. Therefore, it is suitable as a cutting device for a rubber block body.

[Brief description of the drawings]

FIG. 1 is a front view showing an example of a cutting device of the present invention.

FIG. 2 is a front view showing the operation of the cutting device of the present invention.

FIG. 3 is a front view showing the operation of the cutting device of the present invention.

[Explanation of symbols]

 1 Block Body 11 Supply Conveyor 12 Support 12a Horizontal Arm 13 Cutting Stand 14 Supply / Discharge Device 14a Arm 15 Cutter 15a Cutting Blade 16 Hydraulic Cylinder 17 Discharge Conveyor 21, 22, 23, 34 Optical Sensor

Claims (1)

[Claims] 1. A supply conveyor for conveying a block of rubber is disposed on the floor, and a Γ-shaped support column having a horizontal arm extended adjacent to the end portion on the front end side of the supply conveyor, and a support column from this support column. A supply / exhaust device is provided, which projects to the side of the supply conveyor and pushes the conveyed block body by a rotating operation to move it to the cutting table. Further, the block body is attached to the horizontal arm of the support column. A cutter that is operated in the up-down direction to sequentially cut to a predetermined size from the side is provided, and a discharge conveyor for discharging the block body cut by the cutter is arranged in a plurality of series on the tip side of the cutting table. A series of cutting work of the block body is interlocked with the detection of the block body by the optical sensor provided at the rear end side of the supply conveyor, the intermediate portion, the front end portion, and the front end side of the cutting table. , The cutting device, characterized in that it is automatically performed while being controlled by the control panel.