JPH0263619A - Mold transfer device - Google Patents

Abstract

PURPOSE:To improve the productive efficiency for changing a mold and to save the area necessary for a molding process by composing the title device of a vehicle body running on the rails, a carrier reciprocating on a horizontal surface in the direction intersecting the running direction of the vehicle body and a fork pin provided in the carrier and capable of being locked to the mold. CONSTITUTION:The vehicle body 34 is supported on the running rail 2 through driving wheels 38 and stations 35, 36 holding molds are provided on the vehicle body 34. A controller 37 is mounted respectively on the front and rear of the vehicle frame 34 and the carrier 38 capable of free reciprocation in the horizontal direction intersecting at right angles to the running direction of the vehicle body 34 is provided at the stations 35, 36. Further, a stopper 70 and guide rollers 71 are provided on the sides of the upper surfaces of the stations 35, 36. Consequently, when the vehicle body is driven, the carrier is reciprocated between the die holding device and the position of the molding machine side to give and receive the die.

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a mold conveyance device in a mold setup device that can automatically carry a mold used for molding into and out of a molding machine.

<Prior Art> Resin products such as automobile bumpers are molded by injection molding. Injection molding involves injecting thermoplastic resin into a closed mold, and if the product changes, the mold must be replaced. Each time a mold is replaced, a new mold is carried directly into the injection molding machine's clamping machine using a forklift.

<Problems to be Solved by the Invention> Since automobile bumpers have different shapes depending on the vehicle model, a plurality of molding machines are installed in parallel to mold a plurality of types of bumpers. Therefore, when replacing the mold, it is necessary to drive a forklift over a wide range and reposition the mold each time the mold is replaced, resulting in extremely poor work efficiency.

Furthermore, each molding machine requires a space for a forklift to run and a space for changing molds, increasing the space for the molding process.

For this reason, a mold setup device that can automatically carry molds into and out of a plurality of molding machines has been considered. This mold setup device requires a mold transport device that automatically transports the mold between the mold holding device and the molding machine.

The present invention has been made in view of the above situation, and provides a mold transport device that can automatically transport molds between a mold holding device and a molding machine, thereby making it possible to achieve a mold setup device. The purpose is to improve the work efficiency of mold replacement and save space in the molding process.

<Means for Solving the Problems> The configuration of the present invention for achieving the above object is to run on a rail laid along a mold holding device holding a mold and a plurality of molding machines, A mold conveying device that receives and delivers the mold to and from the mold holding device and also receives and delivers the mold to and from a predetermined molding machine, the mold conveying device traveling on a rail. The vehicle is characterized by comprising a vehicle body, a carrier supported by the vehicle body and reciprocating within a horizontal plane in a direction intersecting the running direction of the vehicle body, and a fork pin provided on the carrier and capable of being locked to the mold. .

<Operation> The vehicle body is moved to a position on the side of the mold holding device or the molding machine, and the carrier is reciprocated to move the mold between the mold holding device or the molding machine side via the fork bin. The mold is transferred between the mold holding device and the molding machine.

<Embodiment> FIG. 1 is a plan view showing the overall configuration of a mold setup device using a mold conveyance device according to an embodiment of the present invention, and FIG. 2 is a perspective view of the mold.

A clamping machine 1 of an injection molding machine has mantables arranged in a straight line (No. 1 to No. 9), and a traveling rail 2 is laid along the clamping machine 1. A first mold rack 4 as a mold holding device for temporarily storing the molds 3 is provided on one end side of the traveling rail 2, and a second mold rack 4 is provided on the opposite side of the clamping machine 1 in the middle of the traveling rail 2. One second mold rack 5 as a mold holding device is arranged in parallel. A mold track 6 as a mold conveyance device is provided so as to be freely movable on the traveling rail 2, and a mold changer 7 is provided as a device for distributing one mold to the clamping machine (at the end). For the clamping machine 1, there is one mold changer 7 for one clamping machine). One mold 3 is placed on the mold truck 6, and the mold truck 6 receives and delivers the mold 3 to and from the first mold rack 4 and the second mold rack 5. There is.

The first mold rack 4 and the second mold rack 5 include
A positioning mechanism is provided to position the imported mold 3 at a predetermined position, and the second mold rack 5 is provided with preheating piping for preheating the mold 3. The mold rack 6 also receives and delivers the mold 3 to the mold changer 7.
A mechanism is provided for the distribution of receipts and deliveries.

1, 8 is a raw material supply device, 9 is a control panel for the clamping machine 1, 10 is a product check table, 11 is an oven booth for heating defective products, and 12 is an operator.

As shown in FIG. 2, the mold 3 is a combination of an upper mold 3a and a lower mold 3b, and the upper mold 3a and the lower mold 3b are attached to a mounting plate 13. 14 and a hook elongated hole 15 which is sometimes used for distribution.

The operation of the mold setup device described above will be explained.

The mold to be used next (first mold) 3 is stored and preheated in the second mold rack 5, and the mold to be used next (second mold) 3 is stored in the first mold rack 4 by a forklift truck. (not shown) is carried in and positioned. For example, the mold of Nα2 clamping machine 1 (third mold)
The case where the first mold 3 is carried into the clamping machine 1 of No. 2 will be explained.

The mold track 6 is moved to the position of the first mold rack 4, and the second mold 3 is placed on one side of the mold track 6. The mold track 6 is moved to the position of the second mold rack 5, the preheated first mold 3 is received on the other side of the mold track 6, and the second mold 3 is moved from one side of the mold track 6 to the second mold rack 5. Carry it into mold rack 5. Move the mold truck 6 to the position of the mold changer 7 beside the clamping machine 1 of No. 2,
A used third mold 3 is received on one side of the mold track 6, and a first mold 3 is received on the other side of the mold track 6.
is carried into the mold changer 7. The first mold 3 carried into the mold changer 7 is sorted into No. 2 clamping machine 1 by the mold changer 7 mechanism.
be distributed to. The mold truck 6 carrying the third mold 3 on one side is moved to the position of the first mold rack 4,
The third mold 3 is carried from the mold truck 6 to the first mold rack 5. The third mold 3 is carried out from the first mold rack 4 by a forklift (not shown). Similarly, when replacing the molds 3 of the clamping machines 1 of Nos. 1 to 9, the mold track 6 is moved as appropriate. Note that the above-mentioned operations are controlled individually or centrally, and the molds are carried in and out by automatic operation.

According to the mold setup device described above, by carrying the mold 3 into the first mold rack 4, the mold 3 is transported to the clamping machine 1 side, and the used mold 3 is transferred to the first mold rack 4. The unloading operation can be performed automatically by running the mold rack 6. Also, by providing the second mold rack 6? - The mold 3 to be replaced next can be preheated, and the molding operation can be started immediately after the mold 3 is replaced.

The configuration of the first mold rack 4 will be explained based on FIGS. 3 and 4. Incidentally, since the second mold rack 5 also has the same structure, detailed explanation will be omitted. FIG. 3 shows a plan view of the mold rack, and FIG. 4 shows a partially broken side view thereof.

A fixed base 17 is provided at both ends of the bed 16, and a guide roller 18 is supported on the upper surface of the fixed base 17. A rail 19 is provided on the upper surface of the fixed base 17.
extends along the same direction as the traveling rail 2 described above.

A centering ring 20 is slidably supported on the rail 19, and the centering rings 20 are moved toward and away from each other by a hydraulic cylinder 21. Each centering ring 20 has the same sliding stroke, and the centering ring 2o constitutes a positioning mechanism. A guide roller 22 is provided opposite the centering 2°. A movable stopper 23 is provided on the upper surface of the fixed base 17 on the traveling rail 2 side (lower side in FIG. 3: the other side).
A stopper 24 is fixed to the top surface of the rail 7 on the side opposite to the running rail 2 (the upper knee side in FIG. 3).

A rotating plate 25 that rotates around a horizontal axis perpendicular to the rail 19 is provided near each fixed base 17 on the bed 16 between the fixed bases 17, and a rotating lever 26 is opposed to the rotating plate 25. It is provided. Each rotary plate 25 supports a cylinder rod of an elevating cylinder 27, and when the elevating cylinder 27 is driven, the rotating plate 25 on the right side in FIG.
The rotating plate 25 on the left side in Fig. 4 rotates counterclockwise.
rotates clockwise, and each rotating lever 26 becomes vertical. Each lifting cylinder 27 is driven synchronously, and an endless chain 28 is wound around the rotary plate 25 so as to cross each other, so that each rotary plate 25 rotates in opposite directions in synchronization. A movable block 29 is rotatably provided at the tip of each rotating lever 26, and the bottom of the movable stand 30 is attached to the movable block 29 relative to the horizontal direction (left-right direction) orthogonal to the center of rotation of the rotating plate 25. In other words, by rotating the rotating plate 25, the rotating lever 26
When the movable blocks 29 rotate upward, the movable blocks 29 slide on the bottom of the movable base 30 in directions away from each other, and the movable base 30 rises.

Note that the mechanism for raising and lowering the movable table 30 is not limited to the above embodiment.

The upper surface of the movable table 30 is provided with rollers 31 that support the mold 3 so as to be movable in the left-right direction. In the figure, 32 is a guide groove in which a carrier of a mold track 6, which will be described later, is guided.

The mold 3 is carried in by a forklift from the upper side in FIG. 3, and is carried out to the mold truck 6 from the lower side in FIG.

Next, the operation of the mold rack having the above configuration will be explained. The mold 3 is carried in by a forklift with the movable stopper 23 protruding and the mold 3 in contact with the movable stopper 23. The mold 3 carried by the forklift is lowered onto the guide rollers 18 of the fixed base 17, and the forklift moves backward. At this time, the stopper 24 prevents the mold 3 from retreating. When the rotary plate 25 is rotated by driving the elevating cylinder 27, the rotary lever 26 rotates, the movable table 30 is raised via the movable block 29, and the mold 3 is held on the rollers 31. By driving the hydraulic cylinder 21, the centering 20 moves toward each other with the same stroke, and holds the mold 3 at a predetermined position in the left-right direction. When the hydraulic cylinder 21 is driven, the centering 2o is moved away and backward, and when the lifting cylinder 27 is driven, the rotary plate 25 is rotated in the opposite direction to lower the movable base 3o. As a result, the mold 3 comes to be supported on the guide rollers 18 of the fixed base 17 with its position in the left and right direction determined, and is carried out by the mold track 6 downward in FIG. 3.

The mold rack described above raises the movable base 30 to place the mold 3 on the movable base 30, positions the mold 3 in the left and right direction using the centering 20, and then lowers the movable base 30 to place the mold 3 on the fixed base 17. Since the mold 3 is placed on the mold 3, the mold 3 carried in by a forklift can be positioned and held in a predetermined state.

The structure of the mold track 6 according to the present invention will be explained based on FIGS. 5 to 18.

FIG. 5 shows a plane view of the mold track, and FIG. 6 shows a side view thereof.

A car body 34 is supported on the running rail 2 via drive wheels 33, and a first holding mechanism 35 and a second holding station 36 for holding the mold 3 are provided on the car body 34. A control device 37 for controlling the operation of the mold track 6 is mounted on the front and rear of the vehicle body 34. The first holding stage unit 35 and the second holding station unit 36 have a vehicle body 34
A carrier 38 is provided that can reciprocate in a horizontal direction (vertical direction in FIG. 5: vehicle direction) orthogonal to the traveling direction of the vehicle.

Further, a stopper 70 is provided on the side of the upper surface of the first holding mechanism 35 and the second holding station 36, and guide wheels 71 are provided on the upper surface, which are arranged in parallel in the vehicle width direction.

An outline of the support state of the carrier 38 with respect to the vehicle body 34 will be explained based on FIGS. 7 to 10.

As shown in FIGS. 7 and 8, a pinion device 39 driven by a hydraulic motor is provided on the vehicle body 34, and a first fork 41 is provided with a rack 40 on the bottom surface that engages with the pinion of the pinion device 39. It is provided so as to be movable in the vehicle width direction by driving the pinion device 39.

A second fork 42 is supported by the vehicle body 34 so as to be movable in the vehicle width direction, and a first sprocket 43 and a second sprocket 44 are provided at the side ends of the first fork 41 .

A first anchor 45 and a second anchor 46 are provided on both sides of the upper surface of the vehicle body 34, and a third anchor 47 and a fourth anchor 48 are provided on both sides of the lower surface of the second fork 42. A first chain 49 is provided that extends around the second sprocket 44 between the first anchor 45 and the third anchor 47, and a second chain 49 that extends around the first sprocket 43 between the first anchor 46 and the fourth anchor 48 is provided. A chain 50 is provided.

That is, when the first fork 41 is moved by the drive of the pinion device 39, the second fork 42 also moves with the first fork 41 via the first sprocket 43, the second sprocket 44, the first chain 49, and the second chain 50. move in the same direction.

A main body of a cylinder 51 is fixed on the second fork 42, and a pair of third sprockets 52 are attached to the cylinder rod of the cylinder 51. An endless third chain 53 is wound around the pair of third sprockets 52, and the third chain 53 is fixed at one location on the upper surface of the second fork 42 and at one location on the lower surface of the carrier 38. . The state in FIG. 7 shows the state in which the carrier 38 is at the leftmost end (on the mold changer 7 side), and the state in FIG. 8 shows the state in which the carrier 38 is at the rightmost end (on the mold rack side). The reason why the first chain 49 and the second chain 50 are provided between the vehicle body 34 and the second fork 42 is to prevent the chains from slackening when the second fork 42 moves in the left-right direction.

As shown in FIG. 9, normally the carrier 38 is on the right side (
The carrier 38 operates only when moving to the left (toward the mold changer 7 side). As shown in FIG. 10, the pair of third sprockets 52 move to the left due to the operation of the cylinder 51, the third chain 53 rotates, and the carrier 38 moves between the cylinder 51 and the third chain 53. Move to the left by the amount of movement.

The specific configuration of the first holding station 35 will be explained based on FIGS. 11 to 15.

Note that the second holding station also has the same configuration, so a description thereof will be omitted.

FIG. 11 shows a plane of the first holding stage 9, FIG. 12 shows its cross-sectional side, FIG. 13 shows its front, FIG. The side view in the figure is shown, and FIG. 16 shows the front side in FIG. 14.

A first fork 41 is supported by the vehicle body 34 via a first roller 54 so as to be movable in the vehicle width direction, and a rack 40 extending in the vehicle width direction is attached to the bottom surface of the first fork 41. A first sprocket 4 is attached to the side end of the first sprocket 41.
3 and a second sprocket 44 are provided. car body 3
A second fork 42 is supported above the first fork 41 of No. 4 via a second roller 55 so as to be movable in the vehicle width direction. First anchors 45 are installed at both ends of the upper surface of the vehicle body 34.
A third anchor 47 and a fourth anchor 48 are provided at both ends of the lower surface of the second fork 42.
is provided. The first chain 4 is wound around the second sprocket 44 between the first anchor 45 and the third anchor 47.
9 (indicated by the dotted chain line in FIGS. 11 and 13), and the first sprup U extends between the first anchor 46 and the fourth anchor 48.
A second chain 50 (shown by a two-dot chain line in FIGS. 11 and 13) is provided to be wound around the jacket 48.

As shown in FIG. 14, the main body of a cylinder 51 is fixed on the second fork 42, and a case 57 is attached to the cylinder rod of the cylinder 51 via a third roller 56 so as to be movable in the width direction of the vehicle body 34. It is provided. Two pairs of third sprockets 52 are supported by the case 57, and an endless third chain 53 is wound around the pair of third sprockets 52.

As shown in FIG. 16, a fifth anchor 58 is provided at a portion of the second fork 42 facing the third chain 53, and the fifth anchor 58 is fixed to one location on the third chain 53. A sixth anchor 59 is provided at a portion of the carrier 38 facing the third chain 53, and the sixth anchor 59 is fixed to one location of the third chain 53.

As shown in FIG. 16, fork pins 60 are provided at three locations on the upper surface of the carrier 38 so as to be retractable by a hydraulic mechanism (not shown).
It is adapted to fit into a fork hole 14 formed in.

FIG. 17 shows the pinion device 39 in an enlarged state.

A pair of first gears 62 mesh with a drive gear 61 driven by a hydraulic motor, and each first gear 62 is provided with a reduction gear 63. Each reduction gear 63 has a second gear 6
4 are in mesh with each other, each second gear 64 is provided with a binion 65, and each binion 65 is in mesh with the rack 40. In other words, by driving the hydraulic motor, the binion 65 rotates in the same direction via the drive gear 61, first gear 62, reduction gear 63, and second gear 64, and the first fork 41 rotates in the vehicle width direction via the rack 40. Moving.

FIG. 18 shows the drive wheel 33 in an enlarged state.

A flange 66 that sandwiches the side of the traveling rail 2 is integrally formed on the outer periphery of the drive wheel 33a on one side. Note that the flange portion 66 may be formed into a separate ring shape, and the flange portion 66 may be fixed to the drive wheel 33a with bolts or the like. In the figure, 67 is a drive motor, 68 is a coupling, and 69 is a reduction gear device.

Since the drive wheels 33a are provided with the flange portions 66 that sandwich the sides of the running rails 2, the vehicle body 34 can run stably on the running rails 2.

A sensor (not shown) is provided on the floor on which the vehicle body 34 and the running rail 2 are laid, and the movement of the vehicle body 34 is controlled by detecting signals from the sensor provided on the floor with a sensor on the vehicle body 34 side. The movement control is to control the stop position, deceleration position, traveling direction, etc., and allows the vehicle body 34 to travel unmanned.

The operation of the mold track 6 described above will be explained.

The vehicle body 34 is caused to travel based on a predetermined travel pattern by driving the drive wheels 33 by the drive motor 67. For example, when taking the mold 3 from the first mold rack 4, when the first fork 41 is moved to the first mold rack 4 side via the binion device 39 and the rack 40, the first sprocket 43 and the second sprocket 4 are moved. the second fork 42 via the chain 44, the first chain 49, and the second chain 50.
moves to the first mold rack 4 side, the carrier 38 fits into the guide groove 32 of the first mold rack 4, and the carrier 38 is placed under the mold 3.

The fork pin 60 is projected and fitted into the fork hole 14 of the mounting plate 13, and the first fork 41 is returned to its original position via the pinion device 39 and rack 40. As a result, the second fork 42 returns to its original position and the mold 3 is placed on the vehicle body 34 together with the carrier 38. First mold rack 4 (
When transferring the mold 3 to the second mold rack 5), the procedure described above is reversed. By driving the drive wheels 33, the vehicle body 34 carrying the mold 3 is moved to a predetermined position of the mold changer 7.

When the cylinder 51 is driven to move the case 57 in the vehicle width direction and move the third sprocket 52, the carrier 38 is connected to the second fork 42 via the third chain 53.
moves to the mold changer 7 side. Pinion device 3
When the first fork 41 is moved to the mold changer 7 side via the mold changer 9 and the rack 40, the second fork 42 is moved in the same direction and the mold 3 is placed on the mold changer 7. The fork pin 60 is driven to return the carrier 38, first fork 41, and second fork 42 to their original positions.

When removing the mold 3 from the mold changer 7, the procedure described above is reversed. First retention methicilone 35
Since the second holding station 36 is provided with a stopper 70 and a guide roller 71, the mold 3 can be smoothly moved and stopped.

In the mold truck 6 described above, the fork pin 60 is provided in the carrier 38 so that the fork pin 60 can be freely retracted, and the carrier 38 can be moved back and forth in the vehicle width direction. On the other hand, it becomes possible to automatically receive and deliver the mold 3. Further, by moving the first fork 41 by driving the pinion device 39, the second fork 42 is moved via the chain, and the carrier 38 is further moved via the cylinder 51 and the third chain 53. A sufficient movement stroke of the carrier 38 relative to the vehicle body 34 can be ensured without increasing the size of the mechanism. Note that the drive mechanism for driving the carrier 38 in the vehicle width direction is not limited to the one embodiment described above, and other drive mechanisms may be used.

Mold changer 7 based on FIGS. 19 to 24
The configuration of is explained.

Fig. 19 shows the plane of the mold changer, Fig. 20 shows its side, Fig. 21 shows the plane of the running hook, Fig. 22 shows the side of the running hook, and Fig. 23 shows the front of the running hook.
FIG. 24 shows an explanation of the operation of the hook body.

As shown in FIGS. 19 and 20, a first pedestal 72 is provided adjacent to the traveling rail 2, and a second pedestal 73 is provided on the opposite side of the traveling rail 2, sandwiching the first pedestal 72. It is being Clamping machines 1 are arranged at both ends of the second pedestal 73. A first guide roller 74 that guides the mold 3 in a direction perpendicular to the running rail 2 is provided on the upper surface of the first cradle 72, and a first guide roller 74 that guides the mold 3 in a direction perpendicular to the running rail 2 is provided on the upper surface of the second pedestal 73. A second guide roller 75 for guiding the mold 3 is provided. In addition, 76 in the figure is a four-way guide for guiding the movement of the mold 3 on the first guide roller 74 and the second guide roller 75.
It is la.

The second pedestal 73 is provided with a rail material 77 that is in line with the first guide roller 74 , and a frame 78 is attached to the end of the rail material 77 on the opposite side of the first pedestal 72 . and frame 78 constitute a frame body 79. A third guide roller 80 is provided on the upper surface of the rail material 77.
are provided, and the first guide roller 74 and the third guide roller 80 are in a continuous state. A stopper roller 81 is provided on the frame 78 , and the mold 3 that has moved on the first guide roller 74 and the third guide roller 80 comes into contact with the stopper roller 81 and is positioned on the second pedestal 73 . The frame 79 is supported by the second pedestal 73 so as to be movable up and down, and is driven up and down by four lift cylinders 82 . 1 in the diagram
10 is a hydraulic unit of the lift cylinder 82. A guide groove 83 extending along the same direction as the traveling rail 2 is provided between the second roller guides 75 of the second receiving cylinder 73, and a traveling hook 84 as a distribution mechanism is movably supported in the guide groove 83. has been done. In addition, 102 in the figure is a centering stopper that positions the mold 3 in the direction along the second guide roller 75.

The configuration of the travel hook 84 will be explained based on FIGS. 21 to 23.

A carriage 85 is provided in the guide groove 83 so as to be movable via rollers 86 , and a hook body 87 is supported on the carriage 85 so as to be movable up and down via two guide columns. Driven.

A guide rail 89 is provided above the guide groove 83,
The side roll 9 of the hook body 87 is attached to the guide rail 89.
o is supported.

A side plate 91 supporting the side roll 90 is urged toward the guide rail 89 by a spring 92, and the side plate 91 supporting the side roll 90
is pressed and supported by the guide rail 89. At both ends of the hook body 87 are mounting plates 1 for the mold 3.
A hook portion 93 is provided that fits into the hook elongated hole 15 provided in the hook portion 3 from above. Reference numeral 103 in FIG. 19 is a groove provided in the guide rail 89, and when the side roll 90 is positioned in the groove 103, the hook body 87 is lowered below the guide rail 89 or raised to the position of the guide rail 89. .

A hook driving motor 94 is provided at the bottom of the second pedestal 73, and a drive chain 95 driven by the hook driving motor 94 is hooked around the second pedestal 73. A drive chain 95 is fixed to the carriage 85 of the traveling hook 84, and the traveling hook 84 is driven by the drive chain 95.
is configured to run along the guide groove 83.

The lifting and lowering operation of the traveling hook 84 will be explained based on FIG. 24.

On the carriage 85 side of the travel hook 84, there are a first limit switch 96 and a second limit switch 9 at three locations in the vertical direction.
7. A third limit switch 98 is provided, and the hook body 87 has a first dog 99 and a second dog 100 that actuate the first limit switch 96, second limit switch 97, and third limit switch 98 at predetermined lifting and lowering positions, respectively. , a third dog 101 is provided. When the hook body 87 is at the lower end (solid line), the third limit switch 98 is activated by the third dog 101, and when the hook body 87 is at the upper end (dotted line), the first limit switch 96 is activated by the first dog 99. is activated, and the hook body 87 is moved to the mold 3.
When the hook is fitted into the elongated hole 15 (indicated by the two-dot chain line), the second limit switch 97 is activated by the second dog 100.

The operation of the mold changer 7 described above will be explained.

When the mold 3 is carried in, the frame body 79 is attached to the lift cylinder 8
2, it is in an elevated state. As the carrier 38 of the mold track 6 moves as described above, the mold 3 is guided by the first guide roller 74 and the third guide roller 80, passes through the first pedestal 72, and is brought onto the second pedestal 73 (
(from top to bottom in FIG. 19), the mold 3 comes into contact with the stopper roller 81 to be positioned and stopped. The centering stopper 102 positions the mold 3 in the direction (lateral direction) along the running rail 2, and the lift cylinder 82 lowers the frame 79 to support the mold 3 on the second guide roller 75. Hook drive motor 94
The driving hook 84 is moved via the chain 95 to the side opposite to the direction in which the mold 3 is moved (the right side in the illustrated case).
move it to At the position of the groove 103, the hook 87 is raised by driving the air cylinder 88, so that the guide rail 90 is supported by the guide rail 89. The traveling hook 87 is moved toward the mold 3 side (left side) so that the hook portion 93 faces the hook elongated hole 15 of the mounting plate 13, and the hook body 87
is lowered a little to fit the hook part 93 into the hook elongated hole 15. When the traveling hook 84 is moved to the left in this state, the mold 3 is moved to the left via the second guide roller 75 and carried into the clamping machine 1. When the mold 3 is completely carried in, the hook main body 87 is raised, the hook part 93 and the hook elongated hole 15 are disengaged, and the traveling hook 84 is moved to the right.

If the hook main body 87 is lowered at the position of the groove 103, the running hook 84 can run along the guide groove 83 even if the mold 3 is supported on the second guide roller 75. The vertical movement of the hook body 87 is controlled by the first limit switch 96.
, second limit switch 97, third limit switch 9
8 and first dog 99, second dog 100, third dog 101
This prevents malfunctions (such as transporting while the hook portion 93 is not fitted into the hook elongated hole 15).

When receiving the mold 3 from the clamping machine 1, the mold 3 is transferred to the upper part of the frame 79 by the traveling hook 84 by the operation opposite to that described above, and the frame 79 is raised to the carrier 38 of the mold track 76. Let it be transported.

The mold changer 7 described above has a third guide roller 8.
0 is provided so that it can be raised and lowered freely, and the second pedestal 73 is provided with a traveling hook 84 for moving the mold 3 along the second guide roller 75, so that the mold 3 is carried in on the first pedestal 72. The mold 3 can be automatically transported by the traveling hook 84 in a direction perpendicular to the carrying direction, and the mold 3 delivered from the mold truck 6 can be distributed and transported to the desired clamping machine 1. can. Further, it is also possible to automatically transfer the mold 3 from the first pedestal 72, which receives the mold 3 from the clamping machine 1 onto the second pedestal 73, to the mold truck 6. As a result, the mold 3 can be received and delivered between the mold track 6 and the clamping machine without any manual intervention.

<Effects of the Invention> The mold conveying device of the present invention is provided with a carrier that reciprocates in a direction intersecting the running direction of the vehicle body, and a fork pin that can be latched to the mold. Automatic transport of molds between the mold holding device and the molding machine is possible by moving the carrier back and forth between the mold holding device and the molding machine to receive and deliver the mold. become. As a result, it becomes possible to implement a mold setup device, thereby improving work efficiency in mold replacement and saving space in the molding process.

[Brief explanation of the drawing]

FIG. 1 is a plan view showing the overall configuration of a mold setup device using a mold conveyance device according to an embodiment of the present invention, FIG. 2 is a perspective view of a mold, and FIG. 3 is a plan view of a mold rack. , FIG. 4 is a partially cutaway side view thereof, FIG. 5 is a plan view of a mold track according to an embodiment of the present invention, FIG. 6 is a side view thereof, and FIGS. 7 to 10 are support states of the carrier. FIG. 11 is a plan view of the first holding station run, FIG. 12 is a cross-sectional side view thereof, FIG. 13 is a front view thereof, FIG. 14 is a plan view of its carrier support, and FIG. 15 is a plan view of the first holding station run. 14 is a side view, FIG. 16 is a front view in FIG. 14, FIG. 17 is an enlarged view of the pinion device, FIG. 18 is an enlarged view of the drive wheel,
9 is a plan view of the mold changer, FIG. 20 is a side view thereof, FIG. 21 is a plan view of the traveling hook, FIG. 22 is a side view of the traveling hook, FIG. 23 is a front view of the traveling hook, and FIG.
FIG. 4 is an explanatory diagram of the operation of the hook body. In the drawing, 1 is a clamping machine, 2 is a running rail 1, 3 is a mold, 4 is a first mold rack, 5 is a second mold rack, 6 is a mold track, 7 is a mold changer, 33 is a drive wheel, 34 35 is the vehicle body, 35 is the first holding station run, 36 is the second holding station, 38 is the carrier, and 60 is the fork pin.

Claims (1)

[Claims] It travels on a rail laid along a mold holding device holding a mold and a plurality of molding machines, and receives and delivers the mold to and from the mold holding device, and also transfers the mold to the mold holding device. A mold transport device that receives and delivers the molds to and from the molding machine, and includes a car body running on rails and a horizontal plane that is supported by the car body and intersects with the running direction of the car body. A mold conveyance device comprising a carrier that moves back and forth, and a fork pin provided on the carrier and capable of being locked to the mold.