JPH09315573A - Stacking device for single weight - Google Patents

Abstract

PROBLEM TO BE SOLVED: To remarkably improve recovering performance by enabling single weights to be horizontally, orderly and stably stacked with a simple structure. SOLUTION: A pair of right and left clamp members 1, 1 for supporting single weights S drawn to the specified position along the horizontal surface are so provided as to be turned, opened and closed along the vertical surface, and a function for placing the single weights S on claw pieces of a lifter and a function for pressing the placed single weights S from the right and left sides and aligning them by the clamp members 1, 1 and a pair of right and left aligning plates 12, 12 continuously and integrally provided on the lower ends of the clamp members are exhibited only by turning, opening and closing a pair of clamp members 1, 1 through a driving mechanism 9.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a single-weight stacking device which is used as, for example, one of devices for manufacturing cement board roof tiles, and which is applied to reuse single-weights for mounting plate materials. Is.

[0002]

2. Description of the Related Art For example, in a manufacturing process of cement tiles, as shown in FIG. 7, about 20 sheets of a plurality of raw boards WA for cement tiles are stacked on a single weight S, and they are stacked in a plurality of stages. Perform the primary curing of the raw board WA,
After that, the single weight S is separated from the green plate laminate W and collected for reuse. Conventionally, in order to collect and stack the single weights S, as shown in FIG. 7, a corner portion of the L-shaped mounting table 101 is rotatably supported around a support shaft 102 along a horizontal plane, At the time of recovering the single weights S, as shown in FIG. 8, the placement table 101 is reversed by 90 °, and each single weight S is grasped by a not-shown extraction mechanism, extracted upward, and then extracted. Single weight S
There has been adopted a means for transporting the sheets to a predetermined position and stacking them in a predetermined number of stages.

[0003]

In the conventional single weight stacking means having the above-mentioned structure, if there is a variation in the inclination of the single weight S when the mounting table 101 is inverted, the extraction mechanism will be The weight S may fail to be gripped, and if the gripping state is insufficient, the single weight S may be dropped during transportation. In addition, since the single weight S must be taken out upward and stacked horizontally after being conveyed, the structure of the entire stacking device becomes complicated, and in some cases, the stacked state of the single weight S may shift. However, there is a problem that a trouble is likely to occur in the supply of the single weight S to the next process.

Therefore, the present invention has been made in view of the above circumstances, and the single weight can be stacked and aligned in an orderly and stable manner with a simple structure by eliminating the upward pulling operation of the single weight. It is intended to provide a weight stacking device.

[0005]

In order to achieve the above object, a stacking device for a single weight according to the present invention comprises:
It has horizontal and vertical rollers that roll on the single weight sent out along the horizontal plane and pull the single weight to a predetermined position, and can rotate and open along the vertical plane, supporting the single weight at the closed position. And a pair of left and right clamp members that drop the single weight by its own weight at the open position, and a clamp member that operates the cylinder to open and close the clamp member each time the single weight is supported by the pair of left and right clamp members. The drive mechanism and the pair of left and right clamp members are integrally provided at the lower ends of the pair of clamp members, and when the clamp members are closed, they drop by their own weight to press the single weight mounted on the lifter claw pieces from the left and right directions. It is characterized by comprising a pair of right and left aligning plates for aligning the horizontal and vertical rollers. By opening and closing the cylinder a pair of left and right clamp members supporting the single wait in a horizontal posture rolling contact with retract to a predetermined position,
Since the single weights can be stacked and aligned in the horizontal direction with respect to the single weights, a pair of clamps can be used without vertically pulling out the single weights or introducing a special transport alignment mechanism. It is possible to stack the single weights in an orderly manner with a simple structure of opening and closing the members, which makes it possible to supply the single weights to the next process in a stable manner and to handle them properly and easily in the next process. .

Particularly, in the above-described single weight stacking device, as described in claim 2, a pusher mechanism for pressing the single weights placed on the claw pieces of the lifter to align them is provided. If adopted, a plurality of stacked single weights can be pressed and aligned in the front-back direction as well, and the stacked state can be made more stable.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. 1, 2, and 3 are a front view, a side view, and a plan view showing a stacking device for a single weight according to the present invention, respectively.

In FIGS. 1 to 3, reference numerals 1 and 1 denote open positions along a vertical surface of the gantry 2 via the support shafts 3 and 3 at predetermined intervals in the width direction (left-right direction) of the single weight S. There are a pair of left and right plate-shaped clamp members that are pivotally rotatably and pivotally supported between a closed position and a closed position, and each of these clamp members 1 is provided with the single weight S, for example, a cement tile raw material. It is equipped with a plurality of horizontal and vertical rollers 4 and 5 in a row that are separated from a stack of plates (not shown) and delivered along a horizontal plane to roll on the single weight S and pull it to a predetermined position. The left and right ends of the single weight S are supported at the retracted height levels LH at the closed positions of the pair of clamp members 1 and 1, respectively, and the single weight S falls by its own weight at the open position of the clamp members 1 and 1.

A downward cylinder 6 is attached to the gantry 2 located in the middle of the pair of clamp members 1, 1, and a joint member 7 is connected to a piston rod 6a of the cylinder 6. . Reference numerals 8 and 8 denote a pair of left and right connecting bars. One end of each of the connecting bars 8 and 8 is pivotally connected to the joint member 7, and the other end thereof is the mounting piece portion 1a of each of the clamp members 1 and 1. , 1a are pivotally connected to each other, and the pair of clamp members 1, 1 are connected via connecting bars 8, 8 by contraction of the piston rod 6a.
1 is rotated to the closed position, and the extension of the piston rod 6a causes the clamp members 1 and 1 to be rotated to the open position via the connecting bars 8 and 8. The cylinder 6 and the connecting bars 8, 8 constitute an opening / closing drive mechanism 9 for the clamp members 1, 1.

Below the opening / closing drive mechanism 9, a pair of left and right movable support bases 1 are located at both front and rear ends thereof and are reciprocally advanced by guide cylinders 10, 10.
1 and 11 are provided so that the single weight S is temporarily placed at the intermediate stock level L0 when the lifter 17, which will be described later, descends.

As shown in FIGS. 5 and 6, the clamp members 1, 1 are provided at the lower ends of the pair of clamp members 1, 1, respectively.
A pair of aligning plates 1 for positioning and aligning (centering) the single weight S, which has dropped by its own weight when it is opened, by pressing it from the left and right directions as the clamp members 1, 1 are closed.
2 and 12 are integrally provided.

Reference numeral 13 denotes a pair of movable support bases 11, 1 on the rear side.
1, a receiving plate is provided upright between the two, and 14 is a pusher disposed so as to face the receiving plate 13. The pusher 14 has a tip of a piston rod 15a of a cylinder 15 facing backward as shown in FIG. A pusher mechanism 16 that is attached to the side and that aligns the single weight S by pressing the single weight S from the front-rear direction is configured by the cylinder 15 and the receiving plate 13.

Below the pair of clamp members 1, 1, there is disposed a lifter 17 having a U-shape in plan view, which is formed by connecting left and right side portions 17a, 17a through a rear side portion 17b. In this lifter 17, a pair of left and right claw pieces 18 and 18 for receiving the single weight S are arranged on the front and rear sides, respectively, and each claw piece 18 and 18 has a vertical axis 1
It is pivotally supported via 9 and 19 so as to be rotatable and displaceable in a horizontal plane. Reference numerals 20 and 20 denote cylinders for driving the above-mentioned claw pieces. The lifter 17 is supported by the lifter main body 21 and conveys the single weight S received by the claw pieces 18, 18 to a predetermined position below.

In the single-weight stacking apparatus constructed as described above, the piston rod 6a of the cylinder 6 is contracted until the single weight S is separated and sent out from, for example, a cement tile green plate laminate. ,
The pair of left and right clamp members 1, 1 are set to the closed position shown in FIG. Therefore, when the single weight S is sent out along the horizontal plane, the single weight S is rolled and brought into contact with the horizontal and vertical rollers 4 and 5 by the inertia of the sending out, and is drawn to a predetermined position of the drawing height level LH. , 1 supported.

When the single weight S is pulled into a predetermined position, the piston rod 6a of the cylinder 6 extends, and the pair of left and right clamp members 1 and 1 rotate outward to the open position as shown in FIG. Is set, the single weight S separates from the clamp members 1, 1 and falls by its own weight,
Lifter mounting level L on the claw pieces 18, 18 on the lifter 17 side
Placed on L. In this state, as the piston rod 6a of the cylinder 6 contracts, the pair of left and right clamp members 1, 1 are set to the closed position, and the left and right aligning plates 12, 12 rotate inward with this closing operation. Since it moves, the single weight S is pressed by the alignment plates 12 and 12 from the left and right to be positioned.

The single weight S is a claw piece 18, 18
Each time it is placed on the top, it is pressed by the alignment plates 12, 12 from the left and right directions, so that the claw pieces 18, 18 are stacked in an orderly manner. That is, the single weight S
Since the cylinder is pulled in along a horizontal plane to a predetermined position, there is no mistake in removing the cylinder.
When the piston rod 6a is extended, the piston rod 6a automatically falls on the pawl pieces 18 while falling in a horizontal position, and when the piston rod 6a contracts, the clamp members 1 and 1 are closed. Left and right alignment plates 12, 1
Since the single weight S is aligned by pressing the single weight S from the left and right directions, the single weights S can be properly stacked with a simple configuration without introducing a special aligning device.

When a predetermined number of the single weights S are stacked on the claw pieces 18 and 18, the cylinder 15 of the pusher mechanism 16 operates to push the pusher 14 rearward so that the single weight S is received from the front. Since it is pressed against 13, the deviation of the single weight S in the front-rear direction is also corrected, and the stacked state of the single weight S is further stabilized.

By lowering the lifter 17 in this state, the single weight S can be stably fed to the next process while being kept in an appropriate stacked state, so that the handling process of the single weight S in the next process is proper and easy. Become.

While the lifter 17 is descending, the cylinders 10 and 10 are extended and the movable supports 11 and 11 are moved forward, and the single weight S that is separated from the clamp members 1 and 1 and falls by its own weight is moved to the movable supports. Place on 11 and 11 (intermediate stock level L0). After the lifter 17 is returned, the movable supporting bases 11, 1 are moved by the cylinders 10, 10.
1 retreat and return, the single weight S is lifter 17
It is mounted on the lifter mounting level LL on the side claw pieces 18, 18.

[0020]

As described above, according to the present invention, since the single weight is pulled up to a predetermined position along the horizontal plane and supported by the pair of left and right clamp members, there is no problem of the single weight being caught. Since it is possible to stack single weights by opening and closing the clamp member by the cylinder and perform the alignment operation by the left and right aligning plates, the single weights can be stacked in an aligned state while the structure is simple, and proper collection can be achieved. It can be facilitated.

In particular, as described in claim 2, when the pusher mechanism presses the single weights aligned by the left and right aligning plates from the front-rear direction, the stacked state of the single weights is further stabilized. Can be one.

[Brief description of drawings]

FIG. 1 is a front view showing a stacking device for a single weight according to the present invention.

FIG. 2 is a side view showing the same single-weight stacking device.

FIG. 3 is a plan view showing the same single-weight stacking device.

FIG. 4 is an enlarged side view showing a pusher mechanism for a single weight.

FIG. 5 is an enlarged front view of an essential part for explaining a situation in which the clamp member is opened and the single weight is dropped by its own weight.

FIG. 6 is an enlarged front view of a main part for explaining a situation in which the single weight is positioned by the aligning plate in accordance with the closing operation of the clamp member.

FIG. 7 is a front view showing a configuration of a mounting table used in a conventional single-weight stacking device.

FIG. 8 is a front view for explaining a situation in which the mounting table of FIG. 7 is inverted and the single weight is pulled out upward.

[Explanation of symbols]

 1 Clamping member 2 Stand 4 Horizontal roller 5 Vertical roller 6 Cylinder 9 Clamping member opening / closing drive mechanism 11 Movable support stand 12 Alignment plate 16 Pusher mechanism S Single weight

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Toshiyuki Hirano 1-47 Shikazu East, Naniwa-ku, Osaka-shi, Osaka Kubota Co., Ltd. (72) Shoji Yagi Shigatsu-higashi, Naniwa-ku, Osaka-shi, Osaka 1-247 No. 47 Kubota Co., Ltd. (72) Inventor Yasushi Seto Shizutsu Shinamitsu, Naniwa-ku, Osaka City Osaka Prefecture 1-247 No. 47 Kubota Co., Ltd. (72) Tetsuro Uekawa Shiki Naniwa-ku, Osaka City Osaka Prefecture 2-47 Tsuto, Kubota Co., Ltd.

Claims (2)

[Claims] 1. A horizontal and vertical roller that rolls on a single weight sent out along a horizontal plane to pull the single weight to a predetermined position, and is rotatable and openable along a vertical plane, and its closed position. And a pair of left and right clamp members for supporting the single weight by itself and dropping the single weight by its own weight at the open position, and operating the cylinder each time the single weight is supported by the pair of left and right clamp members to operate the clamp member. A clamp member driving mechanism for driving to open and close is integrally provided at the lower ends of the pair of left and right clamp members. When the clamp members are closed, the single weight is dropped by its own weight and placed on the pawl piece of the lifter. Of a single weight characterized by comprising a pair of left and right aligning plates for aligning by pressing from the direction. Seen piled apparatus. 2. The stacking device for a single weight according to claim 1, further comprising a pusher mechanism that presses and aligns the single weight placed on the claw piece of the lifter from the front-rear direction.