JPH01157728A - Automatic exchange device for plural dies - Google Patents

Abstract

PURPOSE:To automatically exchange a die in a short time by erecting a shelf frame on a moving truck between plural forming machines and a die storing rack, providing the die removing machine liftably arranging the base stand having a die supporting base movable in the front and back directions and controlling the truck, supporting base and base stand by their driving. CONSTITUTION:The shelf frame 2 having at least one more shelf 22 than the number of forming machines is erected on the moving truck 1 reciprocating between the die storing rack having the number of shelves more than that of forming machines and plural forming machines P. The die removing machine A arranging liftably the base stand 3 having a die supporting base 4 movably in the before and behind directions is owned at one side in the front and back directions of the shelf frame 2. The driving device I of the moving truck 1, the driving device II of the die supporting base 4 and the driving device III of the base stand 3 are owned on the die removing machine A and also the controller C controlling each driving device I-III by driving them is owned. The exchange of the die set to plural forming machines P and a new die can thus be automatically performed all at once without repeating the reciprocation with the die storing rack by the die removing machine A.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an automatic exchange device for a plurality of molds, and more particularly to an automatic exchange device for exchanging a plurality of molds used in a plurality of molding machines.

(Prior art) Generally, when molding metal products, etc., multiple molding machines such as metal press machines are arranged in a row according to the molding process.
Each of these molding machines is set with various molds having different shapes depending on the molding process, and products are molded using these molds according to the molding process.

By the way, when various types of products are molded using a plurality of molding machines as described above, it is necessary to replace the molds set in each of the molding machines.

In order to replace the molds set in each of the molding machines, conventionally, for example, instead of a forklift, a mold changer that moves on rails is used to take out the molds from each of the molding machines, and The new molds are stored in a storage, and new molds are taken out from the mold storage and replaced and set separately in each of the molding machines.

(Problem to be Solved by the Invention) However, when replacing the molds set in each of the molding machines using the above-mentioned mold exchange machine, the mold exchange machine is connected to each of the molding machines and the mold storage. It is necessary to reciprocate between the molding machines a number of times corresponding to the number of molding machines. Therefore, in addition to the mold exchange time, it requires time to travel back and forth between the molding machine and the mold storage and time to take out the mold from the mold storage. There is a problem in that the time required to replace the molds of the molding machines, that is, the time required to stop each of the molding machines, becomes long.

The present invention was invented in view of the above-mentioned problems, and its purpose is to automatically replace various types of molds used in each of the molding machines in a short period of time. To provide an automatic exchange device for a plurality of molds, which can increase productivity by reducing downtime and also easily control automatic exchange.

(Means for solving the problems) As shown in the embodiments of the drawings, the present invention is an exchanging device for exchanging a plurality of molds used in a plurality of molding machines,
A mold storage shelf (H) having a number of shelves greater than the number of molding machines, and a movable trolley (1) capable of reciprocating between the molding machines and the mold storage shelf (H), the number of molding machines A shelf frame (2) having at least one more shelf (22) than the shelf frame (2) is erected, and this shelf frame (
2) is provided with a mold transfer machine (A) comprising a base (3) which supports a mold support stand (4) so as to be movable in the front and back directions, and which supports the base (3) so as to be movable up and down; The mold transfer machine (A) includes a first drive device (1) that reciprocates the moving cart (1).
and a second drive device (
n), and a third drive device (I) that raises and lowers the base (3).
I1), and each of these drive devices (1) (n
) (II1).

The upright position of the shelf frame (2) and the installation position of the base (3) in the mold transfer machine (A), and the mold support stand (4) movably supported on the base (3). Regarding the moving direction, on one side of the moving direction of the mold transfer machine (A) that moves along the arrangement direction of the molding machine, a shelf frame (2) is erected on the side moving away from the molding machine, and this shelf A base (3) having a mold support (4) is disposed on the side of the molding machine with respect to the frame (2), and the mold support (4) is attached to the base (3). Mold transfer machine (
1 with respect to the molding machine in a direction perpendicular to the moving direction of A).
When supported movably in the near direction, the mold transfer machine (A)
It is particularly convenient when one or more molding machines are arranged on one side in the moving direction of the mold transfer machine (A), A shelf frame (2) is erected on one side, and a base (3) with a mold support (4) is provided on the other side, and the mold support (4) is connected to the base (3). ) is supported movably in the same direction as the moving direction of the mold transfer machine (A), and when a turntable (5) is provided on the mold support stand (4), the mold transfer machine It is particularly advantageous if a plurality of molding machines are arranged on both sides of the moving direction (A).

(Function) When exchanging the molds set in each of the plurality of molding machines with a new mold, input the mold number etc. of the mold to be replaced and start the mold transfer machine. (A)
is moved to the mold storage shelf (H) side by the drive of the first drive device (1), and a plurality of new molds to be set in the plurality of molding machines are placed from the storage shelf (H). By driving the second and third drive devices (I1) (II1), the items are taken out and stored in each column (22) of the shelf frame (2). At this time, the molds are transferred to each column (22) of the shelf frame (2) in accordance with the arrangement order of the molding machines. Incidentally, there is always at least one empty shelf in the shelf frame (2). After storing it in this way, the mold transfer machine (
A) is sequentially moved by the drive of the drive device (I) to a position facing the plurality of molding machines according to the order in which it is transferred to each column (2), and is set in the plurality of molding machines. The existing molds and the new plurality of molds stored in each column (22) are sequentially replaced as follows.

First, among the plurality of molding machines, the transfer machine ( A) is stopped, the mold support stand (4) supported on the base stand (3) is moved to the specific molding machine side by the second drive device (I1), and the mold support stand (4) is moved to the side of the specific molding machine, and is set in the molding machine. The mold is then taken out onto the support stand (4). After the removal is completed, the support stand (4) retreats onto the base (3), and then the base (3) is moved to the shelf (2) of the shelf frame (2) by the third drive device (II1). 22) to a position opposite to the lowest or highest empty shelf (22), and at this opposing position, the support stand (4) is moved by the second drive device (n) to the empty shelf (22). ) side, and the mold taken out from the specific molding machine on the support stand (4) is stored on the shelf (22). After storing the mold taken out from a specific molding machine in the empty shelf (22) in this way, the mold is placed on the base (3).
are again the second and third drive gfW (I1) (II1)
Then, the mold is moved to the shelf (22) storing a new mold to be set in the specific molding machine and stopped. Then, the second drive device (n) is driven to take out the mold, and then the third drive device (II1) is driven to move the support base (4) to the specific molding machine from which the mold was taken out first. The second drive device (
I1) to move it to the specific molding machine side.

In this way, the molds of a plurality of molding machines are replaced one after another according to the arrangement of the molding machines. Then, after completing the exchange,
The mold transfer machine (A) is driven by the first drive device (1) from a position facing a plurality of molding machines to move the mold storage shelf (H
) side, and place the shelf frame (2) on the mold storage shelf (H).
A plurality of molds stored in the shelf (22) are transferred to the mold storage shelf (H) by driving the second drive device (n) and the third drive device (II1) according to the arrangement order of the molding machines. It will be transferred according to the following.

Such mold replacement work is automatically performed under the control of the controller (C) that controls all the drives of the first, second, and third drive devices (1) (I1) (II1). .

As described above, automatic mold exchange Si! replaces the mold set in each of multiple molding machines with a new mold! 'In the mold transfer machine (A), which has at least one shelf (22) more than the number of molding machines, the mold transfer machine (A) has at least one shelf (22) more than the number of molding machines. mold storage shelf (
H) by the first drive device (1), and the second and second movement of the base (3) and support stand (4) provided in the mold transfer machine (A). 3 Drive (n) (II
1) and the first, second, and third driving devices? !
(1) Controller (C) that drives and controls (n) (nl)
), the exchange of multiple molds can be automatically performed sequentially and -
The mold exchange time of each of the plurality of molding machines can be shortened, the operation stop time of each of the molding machines can be significantly shortened, and productivity can be increased. According to the arrangement order of the molding machines, a plurality of new molds can be stored in the shelf (22) of the mold transfer machine (A) in an orderly manner to perform mold exchange.

Therefore, compared to the case where the molds are stored in random order, the moving distance of the mold transfer machine (A) can be reduced, and automatic control by the controller (C) can be simplified. It is.

In addition, a mold transfer machine (A) that moves along the installation direction of the molding machine
), a shelf frame (2) is erected on the side facing away from the molding machine, and a base with a mold support stand (4) is installed on the side of the molding machine with respect to the shelf frame (2). A stand (3) is provided, and the mold support stand (4) is placed on the base (3) in a direction perpendicular to the moving direction of the mold transfer machine (A), relative to the molding machine. By supporting it so that it can move in the far and near directions,
Since the mold support stand (4) is moved to the molding machine side and the mold is replaced, the molds of multiple molding machines arranged on one side in the moving direction of the mold transfer machine (A) can be replaced. In addition, a shelf frame (2) is erected on one side in the moving direction of the mold transfer machine (A) that moves along the installation direction of the molding machine, and the mold is placed on the other side. A base (3) having a support base (4) is provided, and the mold support base (4) is placed on the base (3) in the same direction as the mold transfer machine (A). By providing a turntable (5) on the mold support base (4), the turntable (5) on which the mold is placed can be moved. The mold transfer machine is moved outward in the moving direction of the mold transfer machine with respect to the base (3) that can be supported thereon, and the turntable (5) is rotated to replace the mold. The molds of a plurality of molding machines disposed on both sides of the mounting machine (A) in the moving direction can be easily replaced.

(Example) The present invention will be described below based on FIGS. 1 to 9 showing examples thereof.

Figure 2 shows the arrangement of a plurality of molding machines (P1) to (P4) and a mold storage IIA, (H). A large number of unit storage shelves (T) having the number of shelves equal to the number of molding machines (P) are arranged in parallel in the horizontal direction and are located on the side of each of these molding machines (P,) to (P4).
), while a rail (H) is provided between the mold storage shelf () () and each molding machine (P).
R) is laid, a mold transfer machine (A) is run along this rail (R), and each mold set in each molding machine (P) is transferred via the transfer machine (A). The mold (M) and the storage shelf (
The mold (M) in H) is replaced with the mold (M).

As shown in FIGS. 4 and 5, the mold transfer machine (A) includes a mobile cart ( 1), a shelf frame (2) erected on the upper part of the movable trolley (1) on the rear side facing each of the molding machines (P), and a shelf frame (2) installed on the opposite rear side of the molding machines (P) on the opposite side of the shelf frame (2); It consists of a base (3) supported on the front side opposite to P) so as to be movable up and down, and a support base (4) supported on the top of the base (3) so as to be movable in the front and back direction.

Furthermore, a first drive device (1) equipped with a motor (12) for driving the running wheels (11) is provided at a lower position of the moving trolley (1), and the motor (12) drives the running wheels (11). 1
1) to reciprocate the movable cart (1) between each molding machine (P) and the mold storage shelf (H).

In addition, the shelf frame (2) has a plurality of columns (21) erected on the top of the mobile cart (1), and a plurality of shelves (22) extending in the front-rear direction between the columns (21); , )1 Hang it downward at equal intervals, and place each of the molds (M) in each column (22).
It is as if it were to be stored.

Each column (22) of the shelf frame (2) is formed at least one more than the number of molding machines (P). For example, as shown in FIG. When the stands are arranged side by side along the rail (R), the columns (22) are provided between the respective columns (21) in five stages above and below. (
When the molds (M) to be set in P) are taken out from each unit storage shelf (T) of the storage shelf (H) and stored in each column (22), at least one blank shelf (22) is formed, and the mold (M) taken out from the molding machine (P) can be stored in this blank shelf (22).

Furthermore, a plurality of supports (31) for raising and lowering the base (3) are erected at the front position of the shelf frame (2) on the upper side of the movable trolley (1), and Base (3)
There are guide plates (
32), each guide plate (32) is provided with a guide roller (33) that comes into contact with each of the pillars (31), and the base (3) is attached via each guide roller (33).
This is done each time the column is guided up and down along each of the pillars (31).

The base (3) is a lifting device (6) driven by a third drive device (II1) provided at the top of the transfer machine (A).
) to move up and down along each of the pillars (31), and as is clear from FIG. ), etc., and attach both of them to the support column (3).
1) is attached to the support plate (53) provided on the top.

Further, the lifting device (6) includes first to third sprockets (61), (62), and (63), and each of these sprockets (
81) (Ei2) 133) and the drive sprocket (52a) of the reduction gear (52), and one lengthwise end is connected to both lateral ends of the base (3). 7 (84) and (65), and the first sprocket (61) is connected to the speed reducer (5) on the support plate (53).
2) is rotatably supported on both sides of the lower position, and the second and third sprockets (62) (63) are supported vertically on each support column (21) of the shelf frame (2) and the base (3). The upper frame (34) installed between the upper part of each guiding support (31)
) are rotatably supported at positions opposite to both lateral ends of the base (3) in the upper frame (34), while the sprockets (61), (82) and (81)
)(82)(+33)
) (65) are respectively connected to both lateral end portions of the base (3).

In this way, the speed reducer (5) interlocked with the motor (51)
2), each of the sprockets (61) (62)
) (63) is rotated forward and backward, and each of the aforementioned checks 7 (64) (
65), the base (3) is raised and lowered in the vertical direction along each of the pillars (31).

The support stand (4), which is provided on the upper part of the base stand (3) so as to be movable back and forth, is composed of two vertical slide members (41) and (42) that are stacked vertically. 41) and (42) in the front and rear directions from the base (3), each of the molding machines (P
) and remove each mold (M) from the shelf frame (2).
The new mold (M) stored in each column (22) of
22) and set it in each molding machine (P).

Each of the slide members (41) (42) is attached to the base (3).
) A second drive device consisting of a motor (43) provided at the bottom (
n) allows them to move in the front and rear directions.

Further, each of the molding machines (P) has a hydraulic cylinder (7) at a rear position facing the setting position C (S) of the mold (M).
), and the operation of the cylinder (7) causes the mold (
M) is pressed from the set position (t(S)) to take out the mold (M) outward.

Furthermore, the mold setting position ra (
At the front part of S), a pair of protruding rods are provided at a part opposite to the support stand (4) supported by the base (3), the distance being slightly wider than the length in the width direction of the support stand (4). (8) and (8) are provided in a protruding manner, and a plurality of rollers (81) are rotatably supported on the upper side of each of these protruding rods (8), and the hydraulic pressure is Cylinder(
In step 7), the mold (M) taken out from the mold setting position (S) of the molding machine (P) is guided onto the support stand (4).

In addition, the mold storage m ()1) shown in Figure 2.3 connects a large number of unit storage shelves (T) with a connecting device such as a chino, and can move around on an endless rail (ER). The endless rail (ER) is arranged in a direction perpendicular to the length direction of the running rail (R) of the mold transfer machine (A), and its turning position is aligned with the running rail (R). However, the endless rail (ER) may be arranged along the running rail (R), or may be made to be able to go around or may be a fixed shelf.

In addition, when rotating each unit storage shelf (T),
A sprocket that meshes with the connector is provided at each rotating portion, and one of these sprockets is driven by a motor (71) serving as a fourth drive device (IV).

Further, in the embodiment, the molding machine (
A base (3) for supporting the support stand (4) is provided on the front side facing P), and the shelf frame (2) is provided on the other side of the movable trolley (1). , the base (3)
can also be provided on both sides of the shelf frame (2), and in this case, the molding machines (P) can be arranged on both sides of the rails (R) to mold various products. When doing this, the mold transfer machine (A) can be used to replace the molds (M) used in the respective molding machines CP).

Further, the automatic mold changing device configured as described above is provided with the first
This is done by controlling the drives of the fourth to fourth drive devices (1) to (IV).

For convenience of explanation, the first drive device (1) will be referred to as the trolley running motor (12), the second drive device (I1) will be referred to as the support platform slide motor (43), and the third drive device (II1) will be referred to as the support slide motor (43). Base lifting motor (51), fourth drive device! f (rV
) is called a rack rotation motor (71).

Therefore, the transfer machine (
A limit switch (L t
) to the exchange position corresponding to each of the molding machines (P,) to (P4), the standby position shown in FIG. 2, and the transfer position corresponding to the turning part of the storage shelf (H). The transfer machine (A) is also provided with a limit switch (L) for detecting the position of the support base (4).
2)00. are provided corresponding to the forward position, reverse position, and intermediate position.

Furthermore, the vertical position of the base (3) and the storage shelf (H)
The position of each unit storage shelf (T) in
51) It is detected by a rotary encoder (RE2) provided in the drive system of (71).

In addition, each of the motors (12) (43) (51) (71)
The drive control is performed by the controller (C) shown in FIG. 1, and the input circuit (72) on the input side of this controller (C) mainly includes a magnetic card reader (CR) or In addition, an input device consisting of a keyboard with a numeric keypad is connected to each of the limit switches + (L+)..., (L2)... and rotary encoders (RE, ) (RE2), and the output side The output circuit (73) includes a drive control circuit (DV1) for the trolley traveling motor (12) and a drive control circuit (DV2) for the support slide motor (43).
and a drive control circuit (DV) for the base lifting/lowering motor (51).
, ) and the drive control circuit (DV4) of the rack rotation motor (71). The controller (C) also includes an arithmetic circuit (74) of its central processing unit.
Based on the data from the limit switch (Ll) (L2) and rotary encoder (RE2), the transfer machine (A), the support stand (4), the base (3), and the unit A current position detection circuit (75) is provided to detect the current position of each storage shelf (T).

Further, each of the motors (12) (43) (51) is connected to each output side of each of the drive circuits (DV+) to (DV4).
) (71).

Next, the operation of the automatic mold changing device constructed as described above will be explained according to the flowchart shown in FIG.

First, a magnetic card corresponding to a new mold (M) to be replaced is inserted into a magnetic card reader (CR) and a mold number is input. (Step 10) After the reading of the mold number by the magnetic card reader (CR) is completed (step 102), a startup operation is performed (step 103). (Step 104) A specific unit storage shelf (T) in which the mold (M) corresponding to the mold number is stored according to the arrangement order of the molding machines (Pl) to (P4),
It is sent to the transfer position to the transfer machine (A) and stopped.

(Step 10) During the startup operation, the unit storage shelf (T)
When is in the transfer position, the storage shelf (H) does not circulate. (Step 106) After the unit storage shelf (T) is located at the transfer position, the transfer machine (A) is moved from the standby position to the transfer position (Step 107) and reaches this transfer position. After doing so (step 108), the molds (M) stored in the unit storage shelf (T) are transferred to each column (22) of the transfer machine (A) in the molding machines (P1) to (P4). ) in the order in which they are arranged. (Step 109) The order of transfer to each column (22) is based on the molding machine (P
Corresponding to steps 1) to (P4), this is done either from the bottom to the top or from the top to the bottom, and the blank shelf (22) is placed at the bottom or the top.

In other words, in cases where it is more convenient to start the replacement work from the molding machine (P,), and when transferring from the bottom to the top in accordance with the arrangement order of the molding machines (Pt) to (P4), the lowest stage In addition, when transferring from the top to the bottom, the top shelf is set as a blank shelf.

If it is more convenient to start the replacement work from forming 1 (P4), the position of the blank shelf is reversed.

In addition, the molds (M) to be stored in each column of the unit storage shelf (T) are
) are stored in accordance with the arrangement order of the molding machines (P, ) to (P4), and are stored from the bottom to the top or from the top to the bottom, corresponding to the procedure of the replacement work. By doing so, the transfer to the transfer machine (A) can be carried out efficiently. The mold for this unit storage shelf (T) (
The storage order of M) and the transfer order to the transfer machine (A) are as follows:
By controlling the drive of the support slide motor (43) and the base lift motor (51) in the transfer machine (A), it is possible to carry out operations as programmed in advance.

Next, after the mold transfer to the transfer machine (A) is completed as described above (step 110), the transfer machine (A) moves to the molding machine along the rail (R). (Step 1
11) At the same time, the storage shelf (H) rotates, and (step 112) the unit storage shelf (H) corresponding to the mold number of the old mold is placed.
T) stops after reaching the transfer position. (Step 1 Also, if the mold order and blank shelf in each column (22) of the transfer machine (A) are set to start the exchange from the molding machine (P1), the transfer machine (A) stops at the exchange position corresponding to the molding machine (P1).

(Step 114) After reaching this exchange position,
The old mold set in the molding machine (P,) is taken out and stored in a blank shelf provided, for example, at the bottom of the transfer machine (A), and the cut mold transferred to the second stage is transferred to the molding machine (A). It will be transferred to the machine (P,). (Step 115) To replace the mold, first, the base (3) is moved by the base lift motor (51) to the protrusion where the support base (4) protrudes in front of the molding machine (Pt). After positioning the rod (8) so that it is slightly lower than the upper surface of the roller (81), the support stand (4)
is moved toward the molding machine (Pt) side via the support slide motor (43), and then the old gold set at the set position (S) of the molding machine (P+) is moved. The mold (M) is pushed from behind by the hydraulic cylinder (7), and the rollers (81
) and then move the support stand (4) upward to place the mold (M) on each of the projecting rods (8) on the support stand (4). let

Then, the support base (4) on which the mold (M) is placed is moved back onto the base (3) by the drive of the motor (43), and the base (3) is moved onto the base. Lifting motor (
51) to drive the lifting device? A new mold (M) of the shelf (22) provided on the shelf frame (2) via ff (El)
After raising and lowering the support base (4) to a position slightly higher than the position opposite to the blank shelf (22) in which the blank shelf (22) is not stored, the support base (4) is moved via the motor (43) to the blank shelf (22). 22) side, and then the support stand (4
) is lowered to store the mold (M) taken out on the support stand (4) in the blank shelf (22).

Further, after storing the mold (M) taken out from the molding machine (P) in the blank shelf (22) as described above, place the base (3) in the respective columns (22). Molding machine (P1)
The motor (51) is used to move the support base (4) up and down to the second shelf (22) where the new mold (M) to be set is stored. By moving the slide motor (43) to the lower position of the shelf (22) and raising the support base (4), the storage on the shelf (22) is carried out on the support base (4). Then, the base (3) is raised and lowered by the motor (51) to a position opposite to the mold setting position (S) of the molding machine (Pl). and said support stand (
4) to each of the projecting rods (8) using the motor (43), and moving the new mold (M) on the support stand (4) to each roller (81) of the projecting rod (8). ) through the molding machine (
P) mold set position 1f! t (S).

After replacing the mold of the molding machine (P,) as described above, (
Step 11E3), the transfer machine (A) is transferred to the next molding machine (
P2) side (step 117), and this molding machine (
It stops at the exchange position corresponding to P2). (Step 118) Thereafter, the mold is replaced in the same way as the molding machine (Pl). Step 119), and the molding machine (P, ) (
Replace the mold of P4'). (Steps 120-128
) After completing the mold exchange of all the molding machines (Pl) to (P4), the transfer machine (A) moves to the transfer position with the storage shelf (H) (step 129). The movement stops when the transfer position is reached.

(Step 130) At this time, it is checked whether the rotation of the storage shelf (H) has been completed, and (Step 131) the unit storage shelf (T) that stores the old mold is located at the transfer position and stopped. If you did,
The old mold is transferred from the transfer machine (A) to the unit storage shelf (T). (Step 132) Then, once this mold transfer is completed (Step 133)
, the transfer machine (A) returns to the standby position (step 134
) It stops at this standby position. (Step 13S
) As explained above, the movement of the mold transfer machine (A) to the mold transfer position, the up and down operation of the base (3), and the movement of the support base (4) in the front and back direction. A plurality of molds (M
) replacement work can be done automatically and efficiently in a short time.

In addition, when a plurality of molding machines (P,) to (P,) are arranged along both sides of the rail (R) as shown in Fig. 8, the movement At the top of the platform DI (1), a shelf frame (
2) and a base (4) with a mold support stand (4) on the other side.
3), and the mold support stand (4) is mounted on the base stand (3).
), it is supported movably in the same direction as the moving direction of the movable trolley (1). The mold support base (4) is composed of two vertical slide members (41) and (42) provided in a vertically stacked manner.
1) a turntable (5) and the turntable (5)
A drive motor (5M) is provided to rotate the. On the other hand, in the front part of the mold setting position (S) in each of the molding machines (P,) to (P,), the support stand (4) is connected to the shelf frame (2).
) when the turntable (5) is moved to the opposite side of
A pair of protruding rods (8) (8) with a spacing wider than the width of the support base (4) are provided at a portion facing the mold transfer machine (A) so as to move freely back and forth. I try not to get in the way when moving.

Further, a limit switch (L, . . .
), and the controller (
The limit switch (L,
), and by additionally connecting a drive control circuit for controlling the drive motor (5M) of the turntable (5) to the output circuit (73), the controller (C) can be controlled. Under control, the molds are automatically replaced. In this case, the rotation of the turntable (5) is controlled in steps (115), (119), (122), and (127) of the flowchart in FIG. (P, ~P6) to enable mold exchange. For example, step (11
In 5), when replacing the mold with the molding machine (P1),
First, slide the upper slide member (41) outward from the base (3) to the turntable (5).
Rotate to the molding machine (P, ) side. Then, the pair of protrusions (8) (8) are advanced from the molding machine (P,) to the turntable (5) side, and the mold (M) of the molding machine (P,) is moved from the molding machine (P,) to the turntable (5). Move it onto the table (5). After the mold (M) is transferred to the turntable (5), the turntable (5) is rotated and the turntable (5) is moved back onto the base (3) to remove the mold. The mold (M) is taken into the base (3). Then, as described above, the mold (M) taken into the base (3) by the support slide motor (43) and the base lift motor (51) is stored in the blank shelf (22), and , the mold (M) to be replaced in the molding machine CP,) is taken out from the shelf frame (2) to the turntable (5), and the upper slide member (41) is removed from the base (3) again. −
Slide the goblet outward and place it on the turntable (5).
) is rotated to the molding machine (P+) side and the mold (M) to be replaced is moved to the molding machine (P, ) via the pair of protrusions (8) (8), and the movement is completed. Then, the turntable (5) is rotated (step 116), and the turntable (5) is rotated (step 116).
The pair of protrusions (8) (8) are retreated, and the mold transfer machine (
The mold transfer machine (A) is moved to the mold transfer position with the molding machine (P2) where the mold will be replaced next, without interfering with the movement of the mold transfer machine (A). (Step 117
) Also, when replacing the mold with the molding machine (P,), slide the upper slide member (41) outward from the base (3) to the cup, and mold the turntable (5). Machine (P
5) side and remove the mold fi (P,) from the mold (M
) is taken out to the turntable (3), and a new mold (M) taken out from the shelf frame (2) to the turntable (5) is taken out from the turntable (5) to the molding machine (P , ) side.

In this way, even if the molding machines (P, -P4) and (P. to P,) are respectively disposed on both sides of the mold transfer machine (A) in the moving direction, multiple molds (M) can be Replacement work automatically
Moreover, it can be done efficiently and in a short time.

(Effects of the Invention) As explained above (the automatic exchange device for multiple molds according to the present invention has a mold storage shelf (H
), and a shelf frame (2) having at least one shelf (22) more than the number of molding machines on a movable trolley (1) capable of reciprocating between the molding machine and the mold storage shelf (H). ) is erected, and on the same front and rear sides of this shelf frame (2), a base (3) which supports a mold support stand (4) so as to be movable in the front and back direction is supported so as to be movable up and down. the mold transfer machine (A);
A) includes a first drive device (1) that reciprocates the movable cart (1), a second drive device (n) that moves the mold support base (4), and the base (3). It is equipped with a third drive device (II1) for raising and lowering, and each of these drive devices (
1) Controller (C) that drives and controls (n) (II1)
), therefore, when replacing the molds set in the plurality of molding machines with new molds, the mold transfer machine (A) is moved to the mold storage shelf (T ) can be performed automatically and all at once without repeating the reciprocating movement of multiple molding machines, reducing the mold replacement time of the plurality of molding machines, and making it easier to replace the molds of each molding machine. In addition, depending on the arrangement order of the plurality of molding machines, new molds can be transferred to the mold transfer machine (
The molds can be exchanged by storing them in the shelf (22) of A) in an orderly manner, and the amount of movement of the mold transfer machine (A) can be reduced compared to the case where the molds are stored in random order. Furthermore, the automatic control performed by the controller (C) in the automatic exchange operation of a plurality of molds can be simplified.

In addition, a mold transfer machine (A) that moves along the installation direction of the molding machine
), a shelf frame (2) is erected on the side facing away from the molding machine, and a base with a mold support stand (4) is installed on the side of the molding machine with respect to the shelf frame (2). A stand (3) is provided, and the mold support stand (4) is placed on the base (3) in a direction perpendicular to the moving direction of the mold transfer machine (A), relative to the molding machine. When the molding machine is disposed along one side in the moving direction of the mold transfer machine (A) by supporting it so as to be movable in the far and near directions, the mold can be exchanged very easily. In addition, a shelf frame (2) is erected on one side in the moving direction of the mold transfer machine (A) that moves along the casting direction of the molding machine, and a base with a mold support stand (4) on the other side. While arranging a stand (3) and supporting the mold support stand (4) on the base (3) so as to be movable in the same direction as the moving direction of the mold transfer machine (A), A turntable (5) is attached to the mold support stand (4).
By providing this, even when the molding machines are disposed along both sides of the mold transfer machine (A) in the moving direction, molds can be exchanged freely and easily.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing the control of the drive system of the automatic exchange device of the present invention, FIG. 2 is a schematic plan layout diagram showing one embodiment of the automatic exchange device of the present invention, and FIG. 3 is a schematic side view of the same. Figure 4 is an explanatory diagram showing the relationship between the mold transfer machine and the molding machine. Figure 5 is a side view of the mold transfer machine, and Figure 6 is a plan view of Figure 4. Figures (a) and (b) are flowcharts of the embodiment shown in Figures 2 to 6, Figure 8 is a layout diagram showing another arrangement position of the molding machine, and Figure 9 is a support stand with a turntable. It is a front view of the mold contact machine equipped. (A)...Mold contact machine (2)...Shelf frame (22)...Shelf (3)...Base (4)... ... Support stand (5) ... Turntable (1) ... First drive device (I1) ... Second drive device (II1) ... ...Third drive device (C) ...Controller (H) ...Mold storage shelf (P) ...Fist ...Molding machine (M) ...Mold No. Figure 2 Figure 3 Figure 7 (b)

Claims (1)

[Claims] 1) An exchange device for exchanging a plurality of molds used in a plurality of molding machines, which includes a mold storage shelf (H) having a number of shelves greater than the number of molding machines, and a A shelf frame (2) having at least one shelf (22) more than the number of molding machines is erected on a movable trolley (1) that can move back and forth between the machine and the mold storage shelf (H). , a mold transfer machine (A) comprising a base (3) that supports a mold support stand (4) movably in the front and rear directions on one side of the shelf frame (2) in the front and rear directions so as to be movable up and down. The mold transfer machine (A) includes a first drive device (I) that reciprocates the moving cart (1), and a second drive device (I) that moves the mold support stand (4). II), a third drive device (III) that raises and lowers the base (3), and a controller (C) that drives and controls each of these drive devices (I), (II), and (III). Automatic exchange device for multiple molds. 2) Mold transfer machine (A) that moves along the installation direction of the molding machine
), a shelf frame (2) is erected on the side facing away from the molding machine, and a base with a mold support stand (4) is installed on the side of the molding machine with respect to the shelf frame (2). A stand (3) is provided, and the mold support stand (4) is placed on the base (3) in a direction perpendicular to the moving direction of the mold transfer machine (A), relative to the molding machine. 2. The automatic exchange device for multiple molds according to claim 1, wherein the molds are supported so as to be movable in a distance direction. 3) Mold transfer machine (A) that moves along the installation direction of the molding machine
), a shelf frame (2) is erected on one side in the moving direction, and a base (3) with a mold support (4) is provided on the other side, and the mold support (4) is Supported on the base (3) so as to be movable in the same direction as the moving direction of the mold transfer machine (A),
The automatic exchange device for multiple molds according to claim 1, wherein the mold support stand (4) is provided with a turntable (5).