JP2504782Y2 - Sheet material accumulator - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to a plate material stacking apparatus for stacking plate materials sheared by a shearing machine or the like.

(Prior art) Conventionally, in general, stacking of plate materials sheared by a shearing machine is carried by a belt conveyor device having a general structure from a shearing machine near a shearing work position to a stacking position by a piler or the like, It is performed by sliding a plate material onto a pillar from the conveying end of the belt conveyor device.

(Problems to be solved by the invention) In the accumulation of the plate materials as described above, the plate materials sliding down from the belt conveyor device are loaded on the piler while rubbing the upper surface of the plate material already loaded on the piler at the leading edge thereof. As a result, the upper surface of the plate material on the pillar is damaged.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a plate material stacking device capable of stacking plate materials and the like sheared by a shearing machine without damaging them.

(Means for Solving the Problems) In view of the above-mentioned conventional problems, the present invention provides a side support member on both left and right sides, front guide members on both front and rear sides, a movable support member on a rear stopper member provided at a stacking position of plate materials. And a support pin for horizontally supporting a plate material dropped on the accumulated plate material at a position above the accumulated plate material, the support pin being provided on each movable support member. A position for projecting the tip end portion of each support pin provided above to a position above the accumulated plate members to support the plate members and a position retracted laterally from the upper position of the accumulated plate members. The movable support member is provided so as to be movable to the position, and an actuator for moving the tip end portion of each of the support pins to the two positions is provided on each of the movable support members to adjust the vertical position of each of the movable support members. In fact, the plate material is configured so that the fall distance of the plate material is always kept substantially constant.

(Operation) With the above configuration, the plate members falling to be stacked can be horizontally supported by projecting the tip end portions of the respective support pins above the stacked plate members. After that, by pulling the tip end portions of the respective support pins laterally from the upper position of the accumulated plate materials, the plate materials can be held horizontally and dropped and accumulated.

At this time, by vertically adjusting the movable support member that supports the support pins, the falling distance of the plate materials can be kept almost constant at all times, and the plate materials do not fall in the middle of the fall and can be horizontally dropped and accumulated. Is something that can be done.

(Embodiment) An embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

1 to 3 show one embodiment in which the plate material accumulating device according to the present invention is applied to a shearing machine. In the figure, reference numeral 1 indicates a shearing machine, which has a fixed lower blade 3 and an upper blade 5 which is vertically moved by a drive device (not shown), and is placed on a work table 7. The plate material W thus cut is sheared by the lower blade 3 and the upper blade 5.

Behind the upper blade 5, a back gauge 9 for determining the shear length of the plate material is provided. The back gauge 9 is in the shearing length direction of the plate material by the shearing machine 1, that is, the first gauge.
In the figure, it is attached to a movable block 13 that is screwed into a feed screw 11 that extends in the left-right direction.
The rotation of the feed screw 11 causes the feed screw 11 to move in the axial direction, that is, in the shearing length direction of the plate material by the shearing machine 1, so that the feed screw 11 moves integrally with the feed screw 11 in the same direction.
The back gauge 9 is made to abut the tip of the plate material W placed on the work table 7, and the upper blade 5 is lowered in this state to repeatedly determine the shear length of the plate material W. .

The feed screw 11 is drivingly connected to the servo motor 15 and is rotationally driven by the servo motor 15. The servomotor 15 is driven on the basis of a numerical signal corresponding to the shear length of the plate material W from an operation command board (not shown).

Below the back gauge 9, a carry-out conveyor device 17 for carrying out the plate material W sheared by the lower blade 3 and the upper blade 5 to the rear of the shearing machine 1 is provided. The conveyor device 17 may be a general electric belt conveyor device, and the belt conveyor speed is variably controlled, for example, when the plate material W being conveyed approaches the conveying end, deceleration control is performed. ing.

Behind the shirring machine 1 is a carry-out belt conveyor
A pillar 19 for accumulating the plate materials W carried out by 17 is arranged. Piler 19 includes traveling carriage 21 and traveling carriage 21.
The lifter table 23 is provided on the upper side and is vertically moved by an electric motor (not shown). The lifter table 23 receives the plate material W on its upper surface and stacks and supports the plate material W.

At one end of the lifter base 23, a barrier-shaped rear stopper member 25 for defining the mounting position of the plate material W is provided.
Side guide members 27 and 29 are respectively provided upright on the left and right sides of the. The side guide members 27, 29 are arranged such that their positions can be adjusted by the feed screw 33 rotated by the handle 31 according to the width of the plate material W.

A front guide member 35 is arranged in front of the lifter table 23.

Each of the rear stopper member 25, the side guide members 27 and 29, and the front guide member 35 is provided with a plurality of support pins 37. As shown in FIG. 3, each of the support pins 37 is screwed with a feed screw 39 extending in the vertical direction, and is rotatably supported by a pivot shaft 43 on a movable support member 41 whose vertical position can be adjusted. ing.

The tip of each support pin 37 extends in the vertical direction provided on the outer plate 45 of the rear stopper member 25, the side guide members 27, 29, and the front guide member 35, as shown by the solid line in the figure. Passing through the existing slit-shaped opening 47,
As shown in FIG. 1, a protruding position that protrudes above the accumulated plate materials W and, as shown by an imaginary line in FIG. 3, pull out laterally from the upper position of the accumulated plate materials W. It is possible to move between two positions, the retracted position and the immersed position.

In order to move the tip portion of the support pin 37 to the two positions, a fluid pressure cylinder device 49 as an operating device is attached to each movable support member 41, and its piston rod 51 is connected to each support pin 37. There is.

The movable support member 41 has a support pin at the protruding position.
A plate material detection switch 53 for detecting whether or not 37 is supporting the plate material W is provided. Plate material detection switch 35
Need not be provided for all of the support pins 37, and may be provided for only one of the support pins 37 provided on the rear stopper member 25.The lever is composed of a contactless switch such as a photoelectric switch. The signal from this switch controls the rotation of the support pin 37 by the fluid pressure cylinder device 49, the vertical movement control of the movable support member 41 by the servo motor 55 described later, and the lifter base of the pillar 19.
Used for vertical movement control of 23.

The feed screw 39 is drivingly connected to the servo motor 55, and is rotated by the servo motor 55 about the central axis line of its own.

The movable support member 41 is configured to move up and down by the action of the feed screw by the rotation of the feed screw 39, and the movable support member 41 of each support pin 37 has its initial position so that each support pin 37 is located at the same height position. The position is fixed, and each one moves up and down at the same time.

Next, the operation of the plate material stacking device having the above-described configuration will be described.

In the initial state of each of the support pins 37, the tip end portion is located at the protruding position.
Cooperate with each other to receive the plate material W conveyed from the carry-out conveyor device 17 and horizontally support the plate material W above the lifter table 23. When the support pin 37 supports the plate material W, this is detected by the plate material detection switch 53, whereby the fluid pressure cylinder device 49 as an operating device is operated, and the tip end portions of the support pins 37 are all at once from the protruding position. It will move to the immersive position. Since the tip ends of the support pins 37 are all located at the retracted position, the plate material W, which has been supported in the horizontal state of the support pins 37 until now, falls on the lifter table 23 in a horizontal posture.

When the drop of the plate material W is detected by the plate material detection switch 53, the fluid pressure cylinder device 49 causes the support pin 37.
The leading end of the movable support member 41 is returned to the projecting position, and the movable support member 41 is simultaneously moved upward by a height corresponding to the thickness of the plate material W by the rotation of the feed screw 39 by the servo motor 55.

By this movement, the dropping distance of the plate material W with respect to the lifter table 23 from the support position by the support pin 37 is always kept substantially constant regardless of the amount of the plate material accumulated on the lifter table 23. Excessive fall distance is avoided.

Although the present invention has been described in detail above with reference to specific embodiments, the present invention is not limited thereto.

[Effects of the Invention] As will be understood from the above description of the embodiments, the present invention is, in short, the side guide members (27, 29) on the left and right sides provided at the stacking position of the plate material (W) or the front and rear front sides. A movable support member (41) is provided on the guide member (35) and the rear stopper member (25) so as to be vertically adjustable, and a plate member (W) that is dropped onto the plate member (W) at a position above the accumulated plate members (W). A support pin (37) for horizontally supporting W) is provided on each movable support member (41),
Each support pin (3) provided on each movable support member (41)
The tip end of 7) is projected laterally from the position for supporting the plate material (W) by projecting above the accumulated plate material (W) and the position above the accumulated plate material (W). The movable support member (41) is provided with an actuating device (49) for moving the tip end of each support pin (37) to the two positions. The plate member (W) is adjusted by adjusting the vertical position of each movable support member (41).
The configuration is such that the fall distance of is always kept almost constant.

As is apparent from the above structure, in the present invention, the plurality of support pins 37 for horizontally supporting the plate materials W to be dropped and accumulated and then horizontally dropping the movable support members 41 are provided so that their vertical positions can be adjusted. The movable support member 41 is adjusted in the vertical position so that the fall distance of the plate W is always kept substantially constant.

Therefore, according to the present invention, even when the height of the accumulated plate material is low, the fall distance can be shortened, the falling plate material does not tilt, and it always falls horizontally on the upper side of the accumulated plate material. It can be accumulated and does not cause damage to the plate material.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram showing one embodiment in which a plate material accumulating device according to the present invention is applied to a shearing machine, FIG. 2 is a schematic plan view of a plate material accumulating device according to the present invention, and FIG. 3 is a plate material accumulating device according to the present invention. It is a schematic block diagram which shows the arrangement part of the support pin used for an apparatus. 25 …… Rear stopper member, 27,29 …… Side guide member 35 …… Front guide member, 37 …… Support pin 39 …… Feed screw, 41 …… Movable support member 49 …… Fluid pressure cylinder device

Claims (1)

(57) [Scope of utility model registration request] 1. A movable support member (41) is provided on the left and right side guide members (27, 29) or front and rear front guide members (35) and rear stopper members (25) provided at the stacking position of the plate material (W). The support pins (37) for horizontally adjusting the plate materials (W) dropped on the plate materials (W) above the accumulated plate materials (W) are provided so as to be adjustable in vertical positions, respectively, The plate members (W) are provided by projecting the tip ends of the support pins (37) provided on the movable support member (41) and provided on the movable support members (41) above the accumulated plate members (W). A position for supporting and a position retracted laterally from a position above the accumulated plate materials (W)
The movable support member (41) is provided with an actuating device (49) for moving the tip of each of the support pins (37) to the two positions while being provided so as to be movable to the position. 41) A plate material accumulating device characterized in that the vertical position of (41) is adjusted to keep the falling distance of the plate material (W) almost always constant.