JP3304398B2 - Cutting device for semi-plastic body - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for cutting a semi-plastic body to a predetermined thickness before steam curing in a process of manufacturing a lightweight cellular concrete (hereinafter referred to as ALC) panel or the like.

[0002]

2. Description of the Related Art Conventionally, when an ALC panel is generally manufactured, a reinforcing steel bar is placed in a rectangular form having a fixed size, and then a raw material slurry is injected. The rectangular parallelepiped semi-plastic body is taken out of the mold, and the top and side surfaces are cut and processed to a predetermined size. Then, the steel wire is transferred to a cutting device, and a cutter in which a plurality of steel wires are stretched vertically at predetermined intervals is moved in the longitudinal direction of the semi-plastic body to cut the steel wires to a predetermined thickness. Then, after the cut semi-plastic body is steam-cured in an autoclave,
Finished and finished as necessary. In addition, when the thickness to be cut was changed, the interval between a large number of steel wires stretched on the cutter had to be changed each time and the wires had to be strained one by one. Since this operation requires a long time even for a skilled worker, there is a problem that it takes much time and the cutting operation efficiency is reduced.

[0003]

SUMMARY OF THE INVENTION The present invention is to provide a cutting apparatus which does not require a lot of trouble and time to change the cutting thickness and can be easily switched.

[0004]

According to the present invention, a rectangular parallelepiped semi-plastic body and a cutter to which a plurality of steel wires stretched vertically are relatively moved to vertically move the semi-plastic body to a desired thickness. When cutting in the direction, a plurality of cassettes in which cutting steel wires are stretched in advance at desired various intervals are arranged in parallel,
If necessary, a desired cassette is selected, mounted on a cutter, and cut.

[0005]

A plurality of cassettes having cutting steel wires stretched at various intervals are prepared in advance as described above, and when changing the cutting thickness, a desired cassette is selected and replaced by automatic control. Because it only needs to be switched, it does not take the time and trouble of switching,
Work efficiency can be improved and labor can be saved.

[0006]

An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a plan view of the apparatus of the present invention, and FIGS.
5 is a side view of the AA plane, BB plane and CC plane of FIG. 5, FIG. 5 is an enlarged view of the cutter unit of FIG. 2, and FIG. 6 is an enlarged view of a cassette exchange mechanism. This device consists of a cassette with a steel wire for cutting, a cutter with this cassette mounted vertically, an exchange mechanism for attaching and detaching the cassette to and from the cutter, and the entire length of the semi-plastic body toward the cutter. And a cutting cart that cuts while moving over.

A plurality of vertical grooves are provided at predetermined intervals on the lower side of the rectangular frame 2 of the cassette 1. Steel wires 3 are fitted into the respective grooves, and a stopper 3a attached to the lower end is provided. Fix it. Then, the upper end of the steel wire 3 is locked to the upper side of the frame 2,
A tension mechanism for tensioning with the air cylinder 4 is provided. Two pairs of wheels 5 are rotatably attached to the upper end of the frame 2, and the wheels 5 are horizontally and parallel to a trolley 6 of a cassette exchange mechanism that stands upright beside a cutter 20 described later. The cassette 1 is suspended vertically with the rail 7 secured to the cassette 1 held therebetween. The wheel 5 on the side opposite to the cutter of the frame 2
Is provided with a U-shaped projection 2b which is opened downward. Other cassettes have the same structure and have steel wires stretched at different intervals, and these cassettes are individually suspended and stored on a plurality of rails 7.

[0008] The cassette exchange mechanism comprises a storage section for the cassette 1 and an insertion mechanism for gripping the cassette 1 and detaching it from the cutter 20. A plurality of rails 7 are suspended below the trolley 6 which is suspended along the gantry 8 and which is movable along the gantry 8 in a direction perpendicular to the traveling direction of the trolley 6. Each cassette 1 is suspended from the rail 7. A servo motor 9 is attached to the carriage 6 and is engaged with a pinion gear 11 meshed with a rack 10 fixed to the gantry 8. By controlling the number of rotations of the servo motor 9,
The carriage 6 can travel to a desired position on the gantry 8 and stop there.

As shown in FIGS. 3 and 6, the insertion mechanism includes rails 12 and 12a which are provided slightly below the gantry 8 in the storage portion of the cassette in parallel with the rails 7 and the rails 1, 12a.
2 and 12a, an arm 16 suspended reciprocally by two pairs of wheels 13 is provided with a rack 1
7 is fixedly engaged with the pinion 15 of the air motor 14 attached to the leg 12b of the rail 12. An L-shaped grip 18 is provided at the tip of the arm 16.
The cassette 2 can be inserted into and pulled out from the cutter by engaging with the projection 2b of the cassette frame 2.

The cutter 20 for detachably holding the cassette 1 has a rectangular frame shape slightly larger than the cassette frame 2, and the cassette 1 can be transferred on an extension of the rail 7 on the front surface of the upper edge. The rail 26 is fixed.
The cutter 20 is rotatably supported on a gate-shaped gantry 21 in a vertically rotatable manner, and is vertically suspended by a swing mechanism provided on the upper surface of the gantry 21. The motor 22 and the crank 23 of the swing mechanism can swing vertically. Positioning pins 24 and cylinders 25 for fixing the four corners of the cassette 1 are provided at the four corners of the cutter 20.
Are arranged. (See Figs. 3 and 5)

The device for moving the semi-plastic body has the same structure as a conventional cutting cart, and as shown in FIG.
An endless wire 29 mounted on a rail 28 laid horizontally inside the vehicle 1 and attached to the front and rear ends of a cutting cart 27 is wound around a wire drum 30 disposed in front of both ends of the rail 28. The motor 31 can be moved forward and backward by rotating the motor 31 forward and backward. Cutting cart 2
At both ends in the longitudinal direction of 7, a holder 32 for holding and fixing the semi-plastic body 40 placed at the time of cutting is rotatably disposed. Then, the bottom surface is divided into a number of plates in the width direction, and each plate can be sequentially moved up and down by a cylinder 33 attached to the lower surface of the plate at the time of cutting.

The operation of the apparatus of the present invention configured as described above will be described below. The semi-plastic body 40 is previously mounted on the cutting cart 27 by a crane or the like (not shown), and both ends in the longitudinal direction are fixed by holders 32. Further, the cassette of the cutter 20 is not mounted, and the cylinder 25 is contracted. In this state, the servomotor 9 of the cassette storage section is first started, and the cassette 1 on which the steel wires 3 are stretched at intervals according to the cutting width of the semi-plastic body 40 to be cut is moved to the front of the insertion arm 16. Then, the projection 2b of the frame 2 and the grip portion 18 of the arm 16 are engaged. Then, the air motor 14 of the exchange mechanism is started to move the arm 16 forward, and the cassette 1 is pushed out and transferred to the rail 26 of the cutter 20. Then, the cylinder 25 of the cutter 20 is operated to position and fix the frame 2 with the pin 24. Next, the motor 22 is started as required, and the cutter 20 is swung through the crank 23.

Subsequently, the motor 31 of the moving mechanism is started,
The cutting cart 27 is moved toward the cutter 20 via the wire 29 to cut the semi-plastic body 40 to a desired thickness.
When the cutting is completed, the holder 32 is rotated and then the cut semi-plastic body 40 is carried out by a crane or the like (not shown), and the motor 31 is rotated in the reverse direction to return the cutting cart 27 to the original position. By repeating this operation, the semi-plastic body 4
0 can be sequentially cut. When changing the cutting width, the cylinder 25 of the cutter 20 is returned to release the fixing of the cassette frame 2, the air motor 14 is rotated in the reverse direction, the cassette 1 is pulled out by the arm 16 and returned to the rail 7.
Then, the desired cassette may be moved to the position in front of the arm 16 by operating the servo motor 9 and replaced as in the first case. All of these operations can be performed manually,
It can be controlled fully automatically by computer.

[0014]

As described in detail above, the present invention prepares a plurality of cassettes in which cutting steel wires are stretched at various intervals in advance, and automatically changes the cutting thickness when changing the cutting thickness. Since only the desired cassette is selected and replaced by the control, the switching time and trouble are not required, and the work efficiency can be improved and omitted.

[Brief description of the drawings]

FIG. 1 is a plan view of the device of the present invention.

FIG. 2 is a side view of the AA plane in FIG. 1;

FIG. 3 is a side view of the BB plane in FIG. 1;

FIG. 4 is a side view of the CC plane in FIG. 1;

FIG. 5 is an enlarged view of a cutter unit of FIG. 2;

FIG. 6 is an enlarged view of a cassette exchange mechanism of FIG. 2;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cassette 3 Steel wire 6 Dolly 18 Gripping part 20 Cutter 27 Cutting dolly 40 Semi-plastic body

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B28B 11/14 B26D 1/547

Claims (1)

(57) [Claims] 1. A semi-plastic body having a rectangular parallelepiped and a cutter having a plurality of steel wires vertically stretched at desired intervals are relatively moved to vertically cut the semi-plastic body to a desired thickness. A cassette in which steel wires for cutting are stretched vertically at desired intervals, a cutter capable of attaching and detaching the cassette, and an arbitrary cassette selected from a plurality of cassettes arranged in parallel and detachably attached to the cutter. A cutting device for a semi-plastic body, characterized by being provided with a possible exchange mechanism.