JP2008023576A - Mold carrying-in device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mold carrying-in device where a mold can be carried-in to a mold fitting position in a molding machine by a single operation, the useless projecting part of a cart carrying the mold to the outside is eliminated, and the operation can be safely performed. <P>SOLUTION: The mold carrying-in device for carrying a mold used in a molding machine into the molding machine comprises: a movable base 8 provided so as to be freely movable on a pedestal of a carrying cart; power sources 1, 2, 3, 4 for driving the movable base in the mold carrying-in direction to the molding machine; a thrusting member 13 provided on the movable base, and being abutted against the mold loaded on the pedestal of the carrying cart, so as to thrust the mold into the molding machine; and thrusting member moving means 9, 10, 11, 12 for allowing the thrusting member to progress to the mold carrying-in direction than the movable base, and allowing the mold to be movable to the mold fitting position of the molding machine. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a mold carry-in device for carrying a mold used in a molding machine such as a press machine or an injection molding machine into the molding machine.

2. Description of the Related Art Conventionally, two methods are generally used as methods for bringing a mold into a manufacturing machine such as a press or an injection molding machine using the mold.
One is a crane system in which the mold is lifted by a crane and moved to the vicinity of the molding machine and lowered.
The other is a cart system that transports a mold by a transport cart or the like (see, for example, Patent Document 1).
In such a cart system, for example, a method of transporting a mold to the side of the molding machine by a transport cart or the like and bringing the mold into the vicinity of a mold mounting position in the molding machine is used. A typical configuration example of a conventional mold carry-in apparatus using such a cart system will be described with reference to the drawings.
FIG. 11 shows a configuration example of a mold carry-in device for carrying the mold machine to the vicinity of the mold mounting position after being conveyed to the side of the molding machine by a carriage system, and shows a standby position for placing the mold. is there.
In FIG. 11, the drive shaft 119 is rotated by the sprocket 102, the chain 104, and the sprocket 103 by the rotation drive of the motor 101. Sprockets 105 and 106 and a chain 118 are connected to both ends of the drive shaft 119.
As a result, the chain 118 performs forward / reverse rotation by forward / reverse rotation of the motor 101. On the chain 118, a movable base 108 with two sprockets 107 on each side is placed.
The sprocket 107 is fixed to the movable base 108 so as not to rotate, and the movable base 108 moves in synchronization with the movement of the chain 118.
Since the push plate frame 113 is attached to the movable base 108, the mold can be moved in the forward direction.
Rollers 116 and 117 are attached to the base 114 of the transport carriage in order to minimize the movement resistance of the mold.
After the roller trolleys 116 and 117 have moved the transport carriage on which the mold 123 (see FIG. 10) is placed at a position where the rollers 116 and 117 are in contact with the roller control on the molding machine 122 (see FIG. 10), the mold 123 is carried in.
FIG. 12 is an external view showing a state in which the movable base 108 has been advanced to the end in order to load the mold.

Next, a case where the mold is carried to the mold mounting position of the molding machine using such a conventional carry-in apparatus will be described with reference to FIGS.
In FIG. 7, reference numeral 122 denotes a horizontal molding machine, and 123 denotes an outline of each molding die.
Reference numeral 127 denotes a conventional mold carry-in apparatus, which shows a state where the mold is in the mold standby position.
In FIG. 8, reference numeral 128 denotes a state in which the push plate frame is moved to the end of the conventional mold carry-in device.
Here, when the mold 123 does not reach the center of the molding machine 122 which is the mold mounting position, conventionally, the mold is carried in as follows. For example, when the mold 123 is positioned at the center of the molding machine 122, the operator pushes the mold 123 by hand and loads the mold in the direction of the molding machine.
Alternatively, as shown in FIG. 9, the pressing plate frame is returned, the spacer 124 corresponding to the shortage of the mold conveyance is set as shown in the drawing, and the pressing plate frame is moved again to the end as shown in FIG. The mold is carried into the mold mounting position of the molding machine.
On the other hand, Patent Document 2 discloses a configuration in which a mold transfer cylinder is placed on a mold transfer carriage as means for carrying a mold into a molding machine.
JP-A-6-126352 JP-A-6-190526

However, the above-described conventional mold carry-in device for a molding machine has the following problems.
For example, in the conventional crane system described above, capital investment is required to introduce a large crane. Moreover, since a heavy metal mold is moved over the head, it is dangerous and requires safety considerations and skilled personnel.
Moreover, in the conventional cart system described above, the mold is carried into the mold mounting position of the molding machine, so that the operator pushes it by hand, sets the spacer, etc. Work or operation is required, and time and labor are required.
Moreover, in what was disclosed by patent document 2, when mounting a mold transfer cylinder on a mold transfer cart, since a mold transfer cylinder protrudes greatly on the outer side of this mold transfer cart, an operator is added to this. There is a risk of injury due to contact with each other and a risk of damaging the transfer mechanism.

  In view of the above problems, the present invention can carry a mold to a mold mounting position of a molding machine in a single operation, eliminates a useless protrusion to the outside of a carriage that conveys the mold, and is safe. An object of the present invention is to provide a mold carry-in device that can be operated.

In order to achieve the above object, the present invention provides a mold carrying-in apparatus configured as follows.
The mold carrying-in apparatus of the present invention is a mold carrying-in apparatus for carrying a mold used in a molding machine into the molding machine,
A movable base movably provided on the base of the transport carriage;
A power source for driving the movable base in a mold loading direction to the molding machine;
A pressing member that is provided on the movable base and abuts against a mold loaded on a base of the transport carriage to push the mold into the molding machine;
A pushing member moving means that moves the pushing member forward to the die loading position of the molding machine by advancing the pushing member in the die loading direction from the movable base;
It is characterized by having.
In the mold carrying-in apparatus of the present invention, the pushing member moving means is
An arm-like member pivotally supported at the center by the movable base and provided with a first engagement portion on the end side in the mold loading direction;
An arm rotation member that rotates the arm-shaped member about the pivotally supported central portion;
A first elongated hole that fits into the first engaging portion formed in the pushing member,
The arm turning member increases an angle formed by the arm-shaped member and the movable base in accordance with the movement of the movable base in the mold loading direction, and the first engagement portion is the first elongated hole. Configured to move inside,
The pushing member is moved forward in the mold loading direction with respect to the movable base.
The mold carrying-in apparatus of the present invention is characterized in that the first elongated hole is parallel or curved with the end surface of the transport carriage.
Further, the mold carry-in device of the present invention includes a second engagement portion provided on the end side of the arm-shaped member in the direction opposite to the mold carry-in direction,
A second elongated hole fitted to the second engaging portion formed in the arm rotating member,
Due to the increase in the distance from the movable base due to the movement of the movable base in the mold loading direction, the second engagement portion moves in the second elongated hole,
The arm-shaped member and the movable base are configured to increase an angle.
Moreover, the mold carrying-in apparatus of the present invention is characterized in that the second long hole is parallel or curved with the end surface of the transport carriage.
Further, the mold carry-in device of the present invention is a third elongated hole provided on the opposite side of the mold carry-in direction of the arm-shaped member,
A third engagement portion that fits into the third elongated hole provided in the arm rotation member,
Due to the increase in the distance from the movable base due to the movement of the movable base in the mold loading direction, the third engaging portion moves in the third elongated hole,
The arm-shaped member and the movable base are configured to increase an angle.
Further, the mold carry-in device of the present invention includes two auxiliary arms pivotally supported by the arm rotation member,
The ends of the two auxiliary arms are rotatably connected to a portion of the arm-like member opposite to the mold loading direction.

  According to the present invention, the mold can be carried to the mold mounting position of the molding machine by a single operation, and a wasteful protrusion to the outside of the carriage that transports the mold is eliminated, and the work can be performed safely. Is possible.

  The best mode for carrying out the present invention will be described by the following examples.

Below, the metal mold | die carrying-in apparatus in the Example of this invention is demonstrated.
In FIG. 1, the external view in the metal mold | die standby position of the metal mold | die carrying-in apparatus of a present Example is shown.
2 is an external view of the mold carrying-in apparatus of the present embodiment at the mold extrusion completion position, FIG. 3 is a top view at the mold extrusion completion position, and FIG. 4 is a side view at the mold extrusion completion position. Indicates.

In FIG. 1, the drive shaft 19 is rotated by the sprocket 2, the chain 4, and the sprocket 3 by the rotation drive of the motor 1.
A manual crank or the like may be used as the drive source.
There are sprockets 5 at both ends of the drive shaft 19, and a chain 18 is connected to the sprocket 6.
As a result, the chain 18 performs forward and reverse rotations when the motor 1 rotates forward and backward. On the chain 18, a movable base 8 having two sprockets 7 on the left and right is mounted.
The sprocket 7 is fixed to the movable base 8 so as not to rotate, and the movable base 8 moves forward and backward in synchronization with the movement of the chain 18. The chain 18 may be fixed directly or indirectly to the movable base 8 without using the sprocket 7.

A central pin 9 is provided at the center on the movable base 8. Further, the cross frames 10 and 11 that are pivotally supported by the pins are provided with pins at both ends, and the pins on the front end side are movable in the first elongated holes provided in the push plate frame 13. It has become.
The pins on the rear end side are movably coupled so as to be movable in second elongated holes provided in the stop plate frame 12.

When the motor 1 rotates, the movable base 8 moves forward. When the stopper plate frame 12 reaches the position of the stopper 20 fixed on the base 14, the stopper plate portion 12 stops due to interference between the stopper contact portion 21 of the stopper plate frame and the stopper 20 shown in FIG. 4.
Furthermore, the state which the movable base 8 moved ahead is FIG.2 and FIG.3.
As the distance between the movable base 8 and the stop plate frame 12 increases, the cross frames 10 and 11 rotate forward about the central pin 9 on the movable base 8, so that the movable base 8 and the cross frames 10 and 11 The angle formed is increased and the push plate frame 13 is pushed further forward.

Next, the case where the mold is carried to the mold mounting position of the molding machine using the mold carry-in apparatus configured as described above will be described with reference to FIGS.
In FIG. 5, reference numeral 22 denotes a horizontal molding machine, and 23 denotes an outline of each molding die. Reference numeral 25 denotes a state where the mold is in the mold standby position in the mold carry-in apparatus.
Moreover, in FIG. 6, 26 shows the state which moved the metal mold | die to the most end part in the said metal mold | die delivery apparatus.
According to the mold carrying-in apparatus of the present embodiment, the movable base 8 is moved forward to the state shown in FIG. 2, thereby increasing the angle formed by the movable base 8 and the cross frames 10, 11, and the push plate frame 13. The mold 23 can be pushed further forward and moved to the extreme end shown in FIG.
Thereby, it becomes possible to make the metal mold | die 23 reach the center of the molding machine 22 which is a metal mold | die attachment position. Thus, according to the mold carrying-in apparatus of the present embodiment, the mold can be transported to the mold mounting position of the molding machine by one operation.
Therefore, it is possible to shorten the time required for the setup change, and even an unskilled worker can work safely, and no expensive equipment investment is required, so that the cost can be reduced.
Further, in the state where the mold is in the mold standby position in the mold carry-in apparatus, it is possible to eliminate useless protrusions and to realize a mold carry-in apparatus with few failures.

In the present embodiment, the first elongated hole of the push plate frame 13 is formed in parallel with the end face of the carriage, but the present invention is not limited to such a configuration, and unlike the present embodiment, the first The long hole may be formed so as not to be parallel to the end face of the carriage.
Further, the first elongated hole may be formed in a curved shape. If the shape of the first elongated hole is appropriately formed, the distance between the movable base 8 and the push plate frame 13 can be increased substantially in proportion to the rotation angle of the cross frames 10 and 11.

Further, unlike the present embodiment, the second elongated hole of the stop plate frame 12 may be formed so as not to be parallel to the end face of the carriage.
The second slot may be formed in a curved shape. If the shape of the second elongated hole is appropriately formed, the rotation angle of the cross frames 10 and 11 can be increased substantially in proportion to the increase in the distance between the movable base 8 and the stop plate frame 12.

Alternatively, two pins may be set up on the stop plate frame 12 and a third elongated hole that fits with the pins may be formed at a corresponding position of the cross frames 10 and 11.
In this way, the rotation angle of the cross frames 10 and 11 can be increased as the distance between the stop plate frame 12 and the movable base 8 increases.
In addition, a pin is set up at a substantially central portion of the stop plate frame, and two auxiliary arms having one end pivotally supported on the pin are provided, and the tip of the auxiliary arm is rotatably connected to the rear end portions of the cross frames 10 and 11. However, it may be formed in a pantograph shape.
In both of the present embodiment and the above-described modification, the stop plate frame 12 may be fixed to the mold transport carriage, and a part of the frame of the mold transport cart has the same function as the stop plate frame. May be.

The external view in the metal mold | die standby position of the metal mold | die carrying-in apparatus of the Example of this invention. The external view in the metal mold extrusion completion position of the metal mold carrying-in apparatus of the Example of this invention. The top view in the metal mold extrusion completion position of the metal mold carrying-in apparatus of the Example of this invention. The side view in the metal mold extrusion completion position of the metal mold carrying-in apparatus of the Example of this invention. The figure which shows the state in the metal mold | die standby position at the time of carrying in a metal mold | die to the metal mold | die attachment position of a molding machine using the metal mold carrying-in apparatus of the Example of this invention. The figure which shows the state which moved the metal mold | die at the time of carrying in a metal mold | die to the metal mold | die attachment position of a molding machine using the metal mold carry-in apparatus of the Example of this invention. The figure which shows the state in the metal mold | die standby position at the time of carrying in a metal mold | die to the metal mold | die attachment position of a molding machine using the conventional metal mold loading apparatus. The figure which shows the state which moved the metal mold | die at the time of carrying in a metal mold | die in a molding machine to the pushing position using the conventional metal mold | die carrying-in apparatus. When the mold is carried into the molding machine using the conventional mold carry-in device, if the mold has not reached the center of the molding machine where the mold is attached, the push plate frame is returned to The figure explaining the state which sets the spacer corresponding to the shortage. From the state of FIG. 9 where the pressing plate frame is returned and the spacer corresponding to the shortage of the mold conveyance is set, the pressing plate frame is moved again to the extreme end, and the mold is carried to the mold mounting position of the molding machine. The figure explaining a state. The external view which shows the state in the metal mold | die standby position in the metal mold carry-in apparatus by the conventional trolley | bogie system. The external view which shows the state which advanced the movable base to the most end part in order to carry in a metal mold | die in the conventional metal mold | die carrying-in apparatus with a cart system.

Explanation of symbols

1: Motor 2: Sprocket 3: Sprocket 4: Chain 5: Sprocket 6: Sprocket 7: Sprocket 8: Movable base 9: Center pin 10: Cross frame 11: Cross frame 12: Stop plate frame 13: Push plate frame 14: Base Table 15: Caster 16: Roller control 17: Roller control 18: Chain 19: Drive shaft 20: Stopper 21: Stopper contact part (stop plate frame)
22: Molding machine 23: Mold

Claims (7)

A mold carry-in device for carrying a mold used in a molding machine into the molding machine,
A movable base movably provided on the base of the transport carriage;
A power source for driving the movable base in a mold loading direction to the molding machine;
A pressing member that is provided on the movable base and abuts against a mold loaded on a base of the transport carriage to push the mold into the molding machine;
A pushing member moving means that moves the pushing member forward to the die loading position of the molding machine by advancing the pushing member in the die loading direction from the movable base;
A mold carrying-in apparatus characterized by comprising: The pushing member moving means is
An arm-like member pivotally supported at the center by the movable base and provided with a first engagement portion on the end side in the mold loading direction;
An arm rotation member that rotates the arm-shaped member about the pivotally supported central portion;
A first elongated hole that fits into the first engaging portion formed in the pushing member,
The arm turning member increases an angle formed by the arm-shaped member and the movable base in accordance with the movement of the movable base in the mold loading direction, and the first engagement portion is the first elongated hole. Configured to move inside,
The mold carry-in device according to claim 1, wherein the pushing member is advanced in the mold carry-in direction with respect to the movable base.   3. The mold carry-in apparatus according to claim 2, wherein the first elongated hole is parallel or curved with an end face of the transport carriage. A second engagement portion provided on an end side of the arm-like member in a direction opposite to the mold loading direction;
A second elongated hole fitted to the second engaging portion formed in the arm rotating member,
Due to the increase in the distance from the movable base due to the movement of the movable base in the mold loading direction, the second engagement portion moves in the second elongated hole,
The mold carrying-in apparatus according to claim 2 or 3, wherein an angle formed by the arm-shaped member and the movable base is increased.   The mold carrying-in apparatus according to claim 4, wherein the second long hole is parallel or curved with the end face of the transport carriage. A third slot provided on the opposite side to the mold loading direction of the arm-shaped member,
A third engagement portion that fits into the third elongated hole provided in the arm rotation member,
Due to the increase in the distance from the movable base due to the movement of the movable base in the mold loading direction, the third engaging portion moves in the third elongated hole,
The mold carrying-in apparatus according to claim 2 or 3, wherein an angle formed by the arm-shaped member and the movable base is increased. Two auxiliary arms pivotally supported by the arm rotation member;
4. The mold according to claim 2, wherein tips of the two auxiliary arms are rotatably connected to a portion of the arm-like member opposite to the mold loading direction. 5. Loading device.

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