JP4868857B2 - Die casting machine - Google Patents

Description

  The present invention includes a cast product chucking device capable of directly picking up a solidified runner between open molds and taking out a cast product from the side opposite to the runner opening from the side of the mold mating surface. Related to the die-casting machine.

In the conventional die casting machine, as shown in FIGS. 11 and 12, since the molten metal is injected into the molds 18 and 19 from the back surface of the fixed plate mold 18, the cast product 13 is formed. After the mold is opened, the chuck device is inserted between the fixed plate mold 18 and the movable plate mold 19 from the direction perpendicular to the runner of the cast product 13 (that is, the side surface of the mold) and is taken out and sandwiched ( (See Patent Document 1).
On the other hand, when the runner opening of the cast product 13 is on the side opposite the mold mating surface, the cast product 13 can be taken out of the die casting machine by receiving the product that has been pushed out of the molds 18 and 19 and dropped. A tray type is generally used.
Japanese Examined Patent Publication No. 7-106442

However, in the conventionally known die casting machine, in the latter case, the casting product can be taken out from the movable plate 19 or the fixed plate 18 by directly grasping the runner of the casting 13. Therefore, the cast product 13 has to be dropped and taken out from the tray, and at that time, a dent is generated in the product, which causes a decrease in product quality and generation of rejected products.
Therefore, the object of the present invention is to take out the cast product by directly grabbing the runner between the open molds in the die casting machine in which the runner opening of the cast product is located on the side opposite the mold mating surface. It is an object of the present invention to provide a die casting machine equipped with a cast product take-out device, which does not cause deterioration of quality or rejected product when the cast product falls on a tray.

In order to solve the above-mentioned object, the present invention connects the chuck device 5 to the tip of the first device 3 for moving the chuck device 5 for casting products in and out of the mold so that the chuck device 5 can rotate 180 degrees, and A casting product take-out device 1 formed by connecting a second device 4 for moving the chuck device 5 in the mold in the direction in which the runner exists or the opposite direction to the apparatus 3, and the molds 18 and 19. The apparatus 2 for detecting the cast product 13 taken out from the chuck and instructing the release from the chuck device 5 is connected to the runner entrance from one side of the mating surface of the fixed plate mold 18 and the movable plate mold 19. In the die casting machine provided on the opposite side, the chuck device 5 includes two parallel chuck arms 15 and 180 degrees in parallel to the chuck arms 15 at the tips of the chuck arms 15 in the direction perpendicular to the chuck arms 15. Opposite side The conversion chuck claw 14 provided so as to be replaceable, and the drive and spring device of the chuck arms 15 for clamping the solidified runway of the cast product 13 between the conversion chuck claws 14 and releasing the clamping, are the first device 3. The chuck device 5 of the casting product 13 in which the conversion chuck claw 14 is rotatably connected 90 degrees downward with the connecting portion to the base shaft, and the casting mold between the fixed plate mold 18 and the movable plate mold 19 The molten metal is injected into the tee through a runner from one side of the mating surfaces of both molds to cast the cast product 13, and the chuck device 5 responds to the opening and closing of the fixed platen mold 18 and the movable platen mold 19. By the operation of the first and second devices 3 and 4, the casting plate moves from the opposite sides of the fixed plate mold 18 and the movable plate mold 19 to the runway direction between the two open molds. Cast product 13 extruded from the cavity The solidified runner is clamped to return to the original position outside the mold, and the clamp of the conversion chuck claw 14 is released according to the detection signal of the cast product 13 and the instruction signal of the indicating device 2, and the cast product 13 is placed in the mold. The die casting machine is characterized in that it is configured to be taken out from

According to the present invention, in the removal of the cast product in the die casting machine in which the runner opening of the cast product is located on the side of the side opposite to the die mating surface, the adverse effect of the cast product dent due to the cast product having been dropped until now. This makes it possible to provide a die casting machine that can improve the quality of cast products.
In addition, according to the present invention, the product can be stably taken out from the mold by grasping the runner of the cast product, so that the cause of stoppage of the die casting machine is reduced, and the number of occurrences of mold breakage due to product pinching, etc. is reduced. Can be reduced.

Hereinafter, an embodiment of the present invention will be described with reference to FIGS.
FIG. 1 is a partial cross-sectional side view of a die casting machine provided with an apparatus for taking out a cast product according to an embodiment of the present invention. FIG. 2 is a side view of the die casting machine of FIG. FIG. 3 is a perspective view of the chuck device in the die casting machine according to the embodiment of the present invention. FIG. 4 is a perspective view showing an internal structure of the chuck device of FIG. FIG. 5 is a perspective view of a mold clamping mechanism provided with a chuck device in a die casting machine according to an embodiment of the present invention. FIG. 6 is a perspective view showing a state in which the chuck device is moved into the mold by the first and second devices for connecting and moving the chuck device according to the embodiment of the present invention. FIG. 7 is a perspective view showing a state in which the conversion chuck claw is rotated 90 degrees downward in the cast product take-out device of FIG. FIG. 8 is a perspective view showing a movement state of the chuck device in the direction in which the runner exists by the first and second devices in FIG. 6. FIG. 9 is a perspective view showing the internal structure of the first and second devices for connecting and moving the chuck device in FIG. FIG. 10 is a perspective view showing the internal structure (rotated 90 degrees) of the chuck device in FIG.

  A die casting machine according to an embodiment of the present invention includes an apparatus 1 for taking out a cast product 13 and an apparatus 2 for detecting the cast product 13 taken out from the molds 18 and 19 and instructing release from the chuck device 5. This is the basic configuration.

The take-out device 1 for the cast product 13 is fixed to the opposite side of the runner opening of the fixed plate mold 18 and the movable plate mold 19 (the front side of the mold clamping mechanism in FIG. 5). A chuck device 5, a first device 3 that moves the chuck device 5 in and out of the mold, and a second device 4 that moves the chuck device 5 in the mold in the direction in which the runner exists or in the opposite direction. And connected.
The casting product take-out device 1 is connected to the tip of the first device 3 so that the chuck device 5 can be rotated by 180 degrees, and the second device 4 is connected to the first device 3. Te, wherein the chuck device 5 by the first device 3 is moved to the mold out, there the direction of the runner in said second device 4 by the first device 3 and the chuck device 5 a mold together Or it is the structure moved to the reverse direction.

The chuck device 5 for the cast product 13 is provided with two parallel chuck arms 15 and the tip of each of the chuck arms 15 so that the chuck arms 15 can be exchanged 180 degrees opposite to each other in parallel to the direction perpendicular to the chuck arm 15. The conversion chuck claws 14, the drive of the chuck arms 15 for clamping the solidified runner of the cast product 13 between the conversion chuck claws 14, and releasing the clamping, and the spring device are connected to the first device 3. As a basic axis, the conversion chuck claw 14 is integrally connected so as to be rotated 90 degrees downward. That is, the chuck device 5 of the cast product 13 can be changed to the opposite side 180 degrees in parallel to the chuck arm 15 in the direction perpendicular to the chuck arm 15 at the tip of each of the two parallel chuck arms 15. It is attached with the conversion chuck claw attachment bolt 16. The conversion chuck claw 14 at the tip of the chuck device 5 can be easily handled by removing the conversion chuck claw mounting bolt 16 and changing the mounting surface even if the direction of taking out the cast product 13 from the mold is changed on the left and right. I can do it.
The specific structure of the drive and spring device of both chuck arms 15 in this chuck device 5 is the conversion provided at the base ends of the two parallel chuck arms 15 and provided at the tips of the two parallel chuck arms 15. A piston 23 having a piston return spring 24 for opening and closing the chuck pawl 14 and a chuck arm spring 25 suspended between both base ends of two parallel chuck arms 15 (see FIG. 4).
Further, the specific structure of the device for connecting the conversion chuck claw 14 so that the conversion chuck claw 14 can rotate 90 degrees downward with the connecting portion to the first device 3 as a basic axis is an air chuck when the conversion chuck claw 14 is rotated 90 degrees downward. When air is supplied to the rotation actuator rotation supply port 40 and the conversion chuck claw 14 is returned to the original position, air is supplied to the air chuck rotation actuator rotation return supply port 39 to operate the chuck rotation actuator 30 and the chuck rotation guide pipe 29. The chuck rotation actuator connecting shaft 34 is rotated 90 degrees in the inside, and the chuck device 5 connected (fixed) to the tip of the chuck rotation actuator connecting shaft 34 is rotated 90 degrees (FIGS. 6, 7 and 10). reference).

  The first device 3 moves the chuck device 5 into the mold from the opposite side of the runner opening of the fixed plate mold 18 and the movable plate mold 19 (the front side of the mold clamping mechanism in FIG. 5). A device provided with a driving device and a guide for moving from the inside of the die to the outside of the die. Specifically, first, air is supplied from the air take-out cylinder advance supply port 35 to operate the take-out advance / retreat cylinder 26 to extend the take-out advance / retreat cylinder rod 33 to move the chuck device 5 into the mold. After the cast product 13 is chucked in the mold, air is supplied from the air take-out cylinder backward supply port 36 to operate the take-out advance / retreat cylinder 26 again, and the take-out advance / retreat cylinder rod 33 is contracted to remove the inside of the mold. The chuck device 5 is moved to a position based on the chuck device 5 (see FIG. 6).

The second device 4 moves the chuck device 5 in the mold in the direction in which the runner of the fixed plate mold 18 or the movable plate mold 19 exists or in the opposite direction, and from there, the (mold) It is a device equipped with a drive device and a guide that moves in the opposite direction. Specifically, for example, first, air is supplied from the air slide cylinder pull-out supply port 38, the take-out slide block 27 is operated to slide the slide cylinder rod 28, and the chuck device 5 is moved (together with the first device 3). The board mold 19 is moved in the direction where the runner exists . After chucking the cast product 13 in the mold, air is supplied from the air slide cylinder approaching supply port 37, the take-out slide block 27 is actuated again, and the slide cylinder rod 28 is slid to move in the direction of the fixed platen mold 18. (See FIGS. 8 and 9).

  Specifically, the detection and indication device 2 for the cast product 13 includes, for example, a detection device for the cast product 13 such as an infrared sensor, and transmits an instruction signal (to release the clamping of the cast product 13). It is a device that can.

  That is, in the die casting machine of the present invention, first, the molten metal is injected into the casting cavity between the fixed platen mold 18 and the movable platen mold 19 through the runner from one side surface of both mold joining surfaces, The casting product 13 is cast. Subsequently, the chuck device 5 of the cast product 13 is moved to the fixed platen die by the operation of the first and second devices 3 and 4 according to the opening and closing of the fixed platen die 18 and the movable platen die 19. 18 and the movable platen 19 move from the opposite side of the runner to the open molds, and further move to the fixed platen 18 or the movable platen 19 (desired) runner, and cast mold The solidified runner of the cast product 13 pushed out from the tee is pinched to return to the original position. Next, after detecting that the casting chuck 13 is sandwiched by the conversion chuck claw 14 by the detection and indication device 2 of the casting product 13, the conversion is performed using the connecting portion to the first device 3 as a base shaft according to the instruction. The chuck claws 14 rotate 90 degrees downward, release the clamping, and the cast product 13 is taken out from the mold.

  In another embodiment of the present invention, when the direction of taking out the cast product 13 is reversed, the chuck portion (such as the chuck frame 22, the chuck arm 15, and the conversion chuck claw 14) is rotated 180 degrees. The mounting surface of the conversion chuck claw 14 can be changed.

It is a fragmentary sectional side view of the die-casting machine provided with the taking-out device of the cast product of one embodiment of this invention. It is a side view of the die-casting machine of FIG. It is a perspective view of the chuck device in the die-casting machine of one embodiment of this invention. It is a perspective view which shows the internal structure of the chuck apparatus of FIG. It is a perspective view of the mold clamping mechanism part which provided the chuck | zipper apparatus in the die-casting machine of one Embodiment of this invention. It is a perspective view which shows the movement state in the metal mold | die of the chuck | zipper apparatus by the 1st and 2nd apparatus which connects and moves the chuck | zipper apparatus of one Embodiment of this invention. FIG. 7 is a perspective view showing a state in which a conversion chuck claw rotates 90 degrees downward in the casting product take-out device of FIG. 6. It is a perspective view which shows the movement state to the direction where the runner exists of the chuck apparatus by the 1st and 2nd apparatus in FIG. It is a perspective view which shows the internal structure of the 1st and 2nd apparatus which connects and moves the chuck | zipper apparatus in FIG. It is a perspective view which shows the internal structure (90 degree rotation) of the chuck | zipper apparatus in FIG. It is a perspective view of the chuck device in the conventional die casting machine. It is a perspective view of the mold clamping mechanism part of the prior art die-casting machine.

DESCRIPTION OF SYMBOLS 1 Casting product taking-out apparatus 2 The apparatus which detects casting product and instruct | releases from a chuck device 3 The 1st apparatus 4 which moves a chuck device in and out of a metal mold | die 4 Direction where a runner exists in a metal mold | die Alternatively, the second device 5 is moved in the opposite direction. 5 The cast product chuck device 6 The base 7 The fixed plate 8 The movable plate 9 The link housing 10 The H-type plate 11 The tie bar 12 The clamping cylinder 13 The cast product 14 The conversion chuck claw 15 The chuck arm 16 The conversion Chuck claw mounting bolt 17 Runway 18 Fixed platen mold 19 Movable platen mold 20 Main body sliding part 21 Air supply port 22 Chuck frame 23 Piston 24 Piston return spring 25 Chuck arm spring 26 Extraction advance / retreat cylinder 27 Extraction slide block 28 Slide Cylinder rod 29 chuck rotation guy Pipe 30 Chuck rotation actuator 31 Unloader mounting plate 32 Unloader rotation plate 33 Extraction advance / retreat cylinder rod 34 Chuck rotation actuator connection shaft 35 Air extraction cylinder advance supply port 36 Air extraction cylinder retreat supply port 37 Air slide cylinder approach supply port 38 Air Slide cylinder extraction supply port 39 Air chuck rotation actuator rotation return supply port 40 Air chuck rotation actuator rotation supply port

Claims (1)

The chuck device of the cast product on the tip of the first device for moving the mold out, wherein the chuck device while rotatably connected 180 degrees, the runner in the chuck device in a mold in the first device A casting product take-out device formed by connecting a second device that moves in the existing direction or the opposite direction, and a device that detects the cast product taken out from the mold and instructs the release from the chuck device. A die casting machine provided on the opposite side of the runway entrance from one side of the mating surface of the fixed plate mold and the movable plate mold,
The chuck device has two parallel chuck arms, a conversion chuck claw provided at the tip of each chuck arm so as to be parallel to the direction perpendicular to the chuck arm and can be changed to the opposite side by 180 degrees, and a conversion chuck claw The chuck chuck can be rotated 90 degrees downward, using both the chuck arm drive and spring device to clamp the solidified runner of the cast product between each other, and the spring device as the base axis. It is a chuck device for linked casting products, and the casting product is injected by injecting the molten metal into the casting cavity between the fixed plate mold and the movable plate mold through the runner from one side of the mating surfaces of both molds. The chuck device is opposite to the runner opening of the fixed plate mold and the movable plate mold by the operation of the first and second devices according to the opening and closing of the fixed plate mold and the movable plate mold. Opened from the side Moves in the direction of the runner between the molds, pinches the solidified runner of the cast product pushed out from the casting cavity, returns to the original position outside the mold, and detects the cast product, indicating signal of the indicating device The die casting machine is characterized in that the holding of the conversion chuck claw is released according to the above and the cast product is taken out from the mold.

Images