JP2000153399A - Transporting device for formed body - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a transporting device capable of smoothly and surely transporting a formed body such as a columnar body in an erected state without being fallen and easily sending the formed body out of a forming press. SOLUTION: A moving member 23 is approached to a formed body 3 which is placed on the upper surface of a die in a forming press 1 in an erected state, a locking part of the moving member 23 is abutted on the outer peripheral surface of the formed body 3 and also the above described formed body 3 is sucked into the locking part with a sucking means. Whereby, the formed body 3 is smoothly and surely transported in an erected state without falling the formed body 3 even if many number of formed bodies 3 are exist.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for conveying a molded article such as a columnar article formed by a molding press.

[0002]

2. Description of the Related Art Conventionally, it is formed by a forming press,
When unloading a long molded body that has been extruded onto the upper surface of the die while standing up from the inside of the cavity, the long molded body is mechanically pinched because the long molded body is unstable and easily falls down. Had been transported.

[0003]

By the way, when the above-mentioned long molded body is molded in a number of pieces, after the pressure molding, a large number of the long molded bodies are simultaneously arranged on the upper surface of the die. Therefore, there is a problem that the mechanism for securely and smoothly holding these long molded bodies is complicated and large in size.

The present invention has been made in view of the above circumstances, and an object of the present invention is to make it possible to smoothly and reliably convey a molded article such as a columnar body in a standing state without falling down. Therefore, it is an object of the present invention to provide a molded article conveying device capable of easily discharging a molded article from a molding press.

[0005]

A first aspect of the present invention is a device for transporting a molded product which transports a molded product formed by a molding press, comprising a moving member which moves along a die upper surface of the molding press. A locking portion is provided to engage with the outer peripheral surface of the molded body in accordance with the outer peripheral surface, and suction means for sucking the molded body is provided at the locking portion. According to a second aspect of the present invention, an engaging portion is provided on a front surface of a shoe box for supplying raw material powder to a cavity in a die. According to a third aspect of the present invention, an unloading mechanism is provided to face the shoe box, and the molded body engaged with the locking portion of the shoe box is transferred to the locking portion of the moving member of the unloading mechanism. It is. Claim 4 of the present invention
A moving member of the unloading mechanism is provided rotatably in the vertical direction and movably in the horizontal direction, and a supporting member of the transferring mechanism that receives the molded body conveyed by the moving member of the unloading mechanism is rotatable in a horizontal plane. The transfer mechanism is provided so as to be movable in the horizontal direction and ascends and descends, and is provided with a payout mechanism that pays out the molded body supported by the support member of the transfer mechanism to the transport conveyor.

[0006]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a front view showing an embodiment of the present invention, FIG. 2 is a side view, FIG. 3 is a plan view of FIG.
5 is a front view of the tip of the moving member, FIG. 5 is a plan view of FIG. 4, FIG. 6 is a side view of FIG. 4, FIG. 7 is an explanatory view of the shoe box, and FIG. is there. In these figures, reference numeral 1 denotes a forming press. In the forming press 1, a pair of upper and lower punches are fitted into through holes formed in a die 2, and a cavity (gap) formed by the die 2 and the upper and lower punches. The raw material powder supplied into the inside is compression-molded, for example, into four columnar shapes (diameter 12 mm).
× 50 mm) molded article (compact) 3 at the same time.

A shoe box 10 for supplying raw material powder into the cavity is provided on the upper surface of the die 2 so as to be slidable in the horizontal direction. On the front surface of the shoe box 10, locking portions 11 are formed, each of which has an arc shape in plan view and conforms to the outer peripheral surface of each of the molded bodies 3.
Each of the locking portions 11 is formed with a suction hole (suction means) 12 for vacuum-suctioning each of the molded bodies 3.
A carry-out mechanism 2 is provided on the front side of the shoe box 10.
0 is set. In the unloading mechanism 20, a rotating mechanism 22 such as a rotary actuator is attached to a movable part that is movable in the horizontal direction of a rodless cylinder 21, and an arm (moving member) 23 is rotated on the rotating part of the rotating mechanism 22 in the vertical direction. A locking portion 24 which is provided freely and has a tip portion 23A of the arm 23 facing the locking portion 11
Are formed respectively, and these locking portions 2
The suction hole (suction means) 25 is formed in each of the reference numerals 4 and 4, and is schematically configured.

Each of the locking portions 24 is formed in an arc shape in a plan view, and its lower portion 24A does not interfere with the locking portions 11 when receiving the molded body 3 from each of the locking portions 11. It is formed in an arc shape smaller than a semicircle in plan view (an arc shape with a central angle smaller than 180 degrees) (see FIG. 8). As shown in FIGS. 4 to 6, an upper portion 24B of each locking portion 24 has an arc-shaped portion 24C corresponding to the lower portion 24A.
And a pair of inclined surface portions 24D connected to the arc-shaped portion 24C.
These inclined surface portions 24D are formed so as to expand toward each other (toward the shoe box 10 side), and protrude toward the shoe box 10 side. The upper portion 24B of each of the locking portions 24 is set at a position higher than the locking portions 11 so as not to interfere with the locking portions 11.

Further, an elastic member such as urethane rubber is adhered to each of the locking portions 11 and 24 in order to prevent the molded body 3 from being damaged at the time of engagement. Furthermore, the suction force in the suction holes 12 formed in the locking portions 11 and 24 may be a force that does not cause the molded body 3 to fall forward during the conveyance, whereas the suction force in the suction holes 25 is not sufficient. In addition, a large suction force (for example, 140 mmHg) is required because the molded body 3 must be lifted at the time of transport, and a vacuum release valve is provided in the vacuum suction system for releasing suction.

A transfer mechanism 30 is provided below the discharge end of the discharge mechanism 20. In the transfer mechanism 30, a vertically movable mechanism 32 such as a cylinder is attached to a horizontally movable movable part of a rodless cylinder 31 arranged in parallel with the rodless cylinder 21, and a vertically movable part of the vertically movable mechanism 32 is attached to the vertically movable part. A rotary mechanism 33 is attached, and a mounting portion (support member) 34 is provided on a rotary portion of the rotary mechanism 33 so as to be rotatable in a horizontal plane, and is schematically configured. A plurality of (four in the present embodiment) concave portions (not shown) having an arc shape are provided on the upper surface of the mounting portion 34 in order to receive the molded body 3 sucked by the locking portion 24. They are formed at equal intervals. In addition, a suction means may be provided in these recesses for sucking the molded body.

A transfer conveyor 40 is provided above the discharge end of the transfer mechanism 30. At the transfer end of the transfer conveyor 40, the molded body 3 on the mounting portion 34 of the transfer mechanism 30 is transferred. A dispensing mechanism 50 for dispensing upward is provided. The dispensing mechanism 50 has an extruder 52 attached to the tip of a piston rod of a horizontal cylinder 51.

Next, a case in which the compact (compact) 3 that has been compression-molded by the compacting press 1 is carried out by using the above-configured transfer device will be described. First,
As before, by the forward and backward movement of the shoe box 10,
The raw material powder is supplied into the cavity formed in the die 2 of the molding press 1, and the raw material powder in the cavity is compression-molded by the die 2 and the upper and lower punches, so that four molded bodies 3 are simultaneously manufactured. You. Next, in a state where these compacts 3 are pushed out to the upper surface of the die 2, when the shoe box 10 advances again to supply the raw material powder into the cavity, the compact 3 on the upper surface of the die 2 is Abuts on the front surface of each lock 10
Adsorbed to 1. In this state, since the shoe box 10 continues to advance, the molded body 3 standing up and down does not fall down, and is smoothly sucked and supported by the locking portions 11, and smoothly. Is transported to the limit of advance.

In this case, at the limit of the forward movement of the shoe box 10, the locking portion 24 of the distal end portion 23 A of the arm 23 of the unloading mechanism 20 stands by in a state facing the locking portion 11. When the locking portion 11 approaches the locking portion 24, the suction of the locking portion 11 is released, and the locking portion 24 is released.
Is carried out, the molded body 3 sucked by the locking portion 11 is transferred to the locking portion 24 and is sucked by the locking portion 24. At this time, the lower portion 24 of each of the locking portions 24
A is formed so as not to interfere with the locking portion 11 when the molded body 3 is received from each of the locking portions 11, so that the molded body 3 smoothly moves from the locking portion 11 to the locking portion 24. Handed over. Further, since the upper portion 24B of each of the locking portions 24 is located above the locking portion 11 and protrudes toward the locking portion 11, the molded body 3 is received from the locking portion 11 to the locking portion 24. At the time of transfer, even if the two locking portions 11 and 24 are slightly displaced, the molded body 3 is supported and guided by the inclined surface portion 24D of the upper portion 24B of the locking portion 24, and the suction hole 25 of the locking portion 24 is smoothly moved. Is adsorbed.

Next, the movable portion of the rodless cylinder 21 of the unloading mechanism 20 is moved horizontally to
4 is moved in the horizontal direction together with the molded body 3, and further, the arm 23 is rotated downward by the rotating mechanism 22, whereby the molded body 3 sucked by the locking portion 24 is directed downward. Subsequently, the mounting portion 34 of the transfer mechanism 30 waiting below the locking portion 24 is lifted by the lifting mechanism 32 so as to approach the locking portion 24 of the transport mechanism 20, and the vacuum The suction of the locking portion 24 is released by the release valve, and the molded body 3 is inserted into each recess formed on the upper surface of the mounting portion 34.
Is placed.

Further, by appropriately operating the rodless cylinder 31, the elevating mechanism 32 and the rotating mechanism 33 of the transfer mechanism 30, the molded body 3 on the mounting portion 34 is lowered and rotated by 90 degrees in a horizontal plane. The orientation is changed, the body 3 is moved in the horizontal direction, and finally, the molded body 3 on the mounting portion 34 is moved to the loading end of the conveyor 40 and the delivery mechanism 5.
0. In this state, the payout mechanism 50
By operating the horizontal cylinder 51 of the
Extruding the molded body 3 on 4 in a direction along its axis,
Dispense on the conveyor 40. Next, the molded body 3 discharged on the transport conveyor 40 is transported along the transport direction of the transport conveyor 40.

The compact 3 compacted by the molding press 1 in this manner is smoothly carried out onto the conveyor 40 by the shoe box 10, the carry-out mechanism 20, the transfer mechanism 30, and the pay-out mechanism 50. In this case, since an elastic member is stuck to each locking portion 24 of the unloading mechanism 20, the elastic member is elastically deformed, so that the molded body 3 is not damaged by an impact at the time of suction, and When the elastic member and the molded body 3 are in close contact with each other, the molded body 3 is firmly adsorbed, and together with the frictional force between the elastic member and the molded body 3, the molded body 3 is separated from the locking portion 24 during transportation and drops. Never do.

[0017]

According to a first aspect of the present invention, a moving member that moves along the upper surface of a die of a molding press is provided with a locking portion that engages with the outer peripheral surface of the molded body in accordance with the outer peripheral surface of the molded body. Since the engaging portion is provided with suction means for sucking the molded body, the moving member is moved closer to the molded body placed upright on the upper surface of the die of the molding press. By bringing the locking portion of the moving member into contact with the outer peripheral surface and sucking the molded body into the locking portion by the suction means, even if there are many molded bodies, It is possible to smoothly and surely convey the product in the upright state, and to easily discharge the molded product from the molding press. According to the second aspect of the present invention, since the locking portion is provided on the front surface of the shoe box for supplying the raw material powder to the cavity in the die, the shoe box for supplying the raw material powder into the cavity advances. After the pressure molding, the molded body placed on the upper surface of the die is adsorbed by the engaging portion on the front surface of the shoe box by the suction means, so that the molded body can be smoothly carried out to the forward limit of the shoe box. . According to a third aspect of the present invention, an unloading mechanism is provided to face the shoe box, and the molded body engaged with the locking portion of the shoe box is transferred to the locking portion of the moving member of the unloading mechanism. Therefore, the molded body adsorbed by the locking portion of the shoe box and carried out is
By adsorbing to the locking portion of the moving member of the unloading mechanism, the molded body is reliably transferred from the shoe box to the unloading mechanism,
Can be transported. According to a fourth aspect of the present invention, there is provided a support member of the transfer mechanism, wherein the moving member of the unloading mechanism is provided so as to be rotatable in the vertical direction and movably in the horizontal direction, and receives the molded body transferred by the moving member of the unloading mechanism. Is provided so as to be rotatable and movable in the horizontal direction and vertically movable in a horizontal plane, and a dispensing mechanism for dispensing a molded body supported by a support member of the transfer mechanism to a transport conveyor is provided. After moving the molded body adsorbed by the moving member of the unloading mechanism in the horizontal direction and rotating the molded body vertically, the molded body supported by the support member of the transport mechanism is lowered. Rotate in the horizontal plane and move it horizontally to raise it further,
The molded body pressed and molded by the molding press can be automatically carried out by disposing the molded body on the carrying conveyor by disposing the molded body on the carrying conveyor by the delivery mechanism.

[Brief description of the drawings]

FIG. 1 is a front view showing an embodiment of the present invention.

FIG. 2 is a side view of FIG.

FIG. 3 is a plan view of FIG. 2;

FIG. 4 is a front view of a distal end portion of the moving member.

FIG. 5 is a plan view of FIG. 4;

FIG. 6 is a side view of FIG.

FIG. 7 is an explanatory diagram of a shoe box.

FIG. 8 is a cross-sectional view showing a delivery state of a molded body.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Forming press 2 Die 3 Formed object (compacted body) 10 Shoe box 11, 24 Locking part 12, 25 Suction hole (Suction means) 20 Carry-out mechanism 23 Arm (moving member) 30 Transfer mechanism 34 Mounting part (Support member) ) 40 transport conveyor 50 payout mechanism

Claims (4)

[Claims] 1. A conveying device for conveying a molded article formed by a molding press, comprising: a moving member that moves along a die upper surface of a molding press;
A molded article is provided, wherein a locking portion engaging with the outer peripheral surface is provided in accordance with the outer peripheral surface of the molded body, and suction means for sucking the molded body is provided at the locking portion. apparatus. 2. The apparatus according to claim 1, wherein an engaging portion is provided on a front surface of a shoe box for supplying raw material powder to a cavity formed in the die. 3. An unloading mechanism is provided opposite to the shoe box, and the molded body engaged with the locking portion of the shoe box is transferred to the locking portion of the moving member of the unloading mechanism. The conveying device for a molded article according to claim 2. 4. A moving member of the unloading mechanism is provided rotatably in the vertical direction and movably in the horizontal direction, and a supporting member of the transferring mechanism for receiving the molded body conveyed by the moving member of the unloading mechanism is a horizontal surface. A dispensing mechanism which is rotatably and horizontally movable and vertically movable within the housing, and which dispenses a molded body supported by a support member of the transfer mechanism to a transport conveyor. 3. A conveying device for a molded article according to 3.