JPH0475091B2 - - Google Patents

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.

(Conventional technology) Generally, when forming metal products, etc.
Multiple molding machines such as metal press machines are arranged in line according to the molding process, and each of these molding machines is set with various molds of different shapes according to the molding process.
The product is molded using each of 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.

Conventionally, when replacing the molds set in each of the molding machines, for example, a mold exchanger that moves on rails is used instead of a forklift, and the molds are removed from each of the molding machines. The new molds are stored in a mold 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 replaces the molds set in each of the molding machines and the mold storage. It is necessary to reciprocate the number of times corresponding to the number of molding machines. Therefore, in addition to the time required to change molds, it also requires time to travel back and forth between the molding machine and mold storage and time to take out molds from the mold storage. There was 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, became 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 time, and to It is possible to increase productivity by reducing the downtime of the mold changing machine, and also to easily control automatic mold changing. An object of the present invention is to provide an automatic exchange device for a plurality of molds that can easily and automatically exchange a plurality of molds of each of the molding machines even in the case of a molding machine.

(Means for Solving the Problems) The present invention is an exchanging device for exchanging a plurality of molds used in a plurality of molding machines, and a mold storage shelf H
and on a movable trolley 1 capable of reciprocating between the molding machine and the mold storage shelf H, and the movable trolley 1
A shelf frame 2 having a plurality of shelves 22 vertically extending by at least one more than the number of molding machines is erected on one side in a direction perpendicular to the moving direction of the and a mold transfer machine A that supports a base 3 which supports a platform 4 movably in a direction perpendicular to the moving direction of the moving trolley 1 so as to be movable up and down. A first drive device that reciprocates the movable cart 1, a second drive device that moves the mold support 4, a third drive device that raises and lowers the base 3, and drives each of these drive devices. A controller C is provided for controlling the movable trolley 1, and a trolley reversing device B for reversing the movable trolley 1 is provided on one side of the movable trolley 1 in the moving direction.

(Function) When replacing molds set in a plurality of molding machines arranged on both sides of the moving carriage 1 with new molds, first, the mold transfer machine A is moved to the first molding machine. Driven by the drive device I, the molds are moved to the mold storage shelf H side, and a plurality of new molds to be set in the plurality of molding machines are transferred from the storage shelf H to the second and third drive devices. , to take out and store it on each shelf 22 of the shelf frame 2. At this time, the shelf frame 2 has at least one empty shelf 22.
This is possible. After storing the mold in this manner, the mold transfer machine A is moved by the drive of the drive device to a position facing the plurality of molding machines on one side of the molding machines arranged on both sides of the mold transfer machine A. The molds set in the plurality of molding machines and the new plurality of molds stored in each of the shelves 22 are sequentially moved by the controller C using the empty shelves 22. The first to third drive controls
The movable cart 1, the mold support stand 4, and the base stand 3 are operated by the drive device, thereby smoothly exchanging the molds.

Next, when replacing the molds of a plurality of molding machines disposed on the opposite side of the plurality of molding machines whose molds have been replaced with respect to the moving direction of the movable trolley 1, the mold storage shelf After storing the molds from H onto each shelf 22 of the shelf frame 2 of the mold transfer machine A, the molds are transferred to the mobile cart 1.
The movable cart 1 is moved onto a cart reversing device B provided on one side of the moving direction, the cart 1 is reversed by rotation of the cart reversing device B, and after the reversal is completed, the mold transfer device A is moved. The mold is exchanged by moving it to a position facing the plurality of molding machines. Therefore, the reciprocating movement of the mold transfer machine A between the plurality of molding machines and the mold storage shelf H, and the cart reversing device B
By the reversing operation, it is possible to exchange a plurality of molds for a plurality of molding machines arranged on each side along the moving direction of the movable trolley 1, and the mold replacement time of each of the plurality of molding machines is shortened. , the operation stop time of each of the molding machines is significantly shortened, productivity is increased, and since there is always an empty shelf 22 in the mold transfer machine A, the molds can be replaced one after another. This can be done smoothly, and the automatic control by the controller 1 can be simplified.

(Example) The present invention will be described below with reference to Figures 1 to 7 showing examples thereof.
This will be explained based on the diagram.

Figures 1 and 2 show multiple molding machines P ₁ to _{P 4}
and _P5 to _P8 , and the arrangement of the mold storage shelf H and the traveling rail R on which the mobile cart 1 moves,
A plurality of molding machines P ₁ to P ₄ and P ₅ to _{P 8} are arranged on both sides of the rail R, and a plurality of molding machines P ₁ to _{P 4} and P ₅ to _{P 8} are placed at lateral positions, For example, molding machines P ₁ to _{P 4} arranged on one side of the rail R
A mold storage shelf H having a large number of unit storage shelves T is arranged, and between this mold storage shelf H and each of the molding machines _P1 to _P8 , as shown in FIG. A truck reversing device B shown in FIG.

As shown in FIGS. 4 to 6, the mold transfer machine A includes a movable trolley 1 equipped with a plurality of running wheels 11 at the bottom that move along each of the rails R; a shelf frame 2 erected on the upper part and on one side in the direction orthogonal to the moving direction of the movable trolley 1, that is, for example, on the rear side opposite to the molding machines P ₁ to _{P 4} ;
A base 3 supported in a vertically movable manner on the opposite side of the shelf frame 2 and on the front side facing the molding machines _P1 to _P4 ;
It consists of a mold support 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 including a motor 12 for driving the traveling wheels 11 is provided at a lower position of the mobile cart 1, and the motor 12 drives the traveling wheels 11.
to move the movable cart 1 to each of the molding machines.
_P1 to _P4 and _P5 to _P8 are reciprocated between them and the mold storage shelf H.

In addition, the shelf frame 2 has a plurality of columns 21 erected on the upper part of the movable cart 1, and a plurality of shelves 22 extending in the front and back direction are hung between the columns 21 at equal intervals in the vertical direction. The respective molds M are stored on the shelf 22.

Each shelf 22 of the shelf frame 2 is connected to the molding machines _P1 to _P4.
and _P5 to _P8 , at least one more molding is performed, for example, as shown in Fig. 1,
When four molding machines P ₁ to _{P 4} and P ₅ to _{P 8} are arranged on both sides along the rail R, each of the shelves 22 is arranged between each of the pillars 21 in five upper and lower stages. By doing so, the mold M to be set in each of the molding machines P ₁ to _{P 4} or P ₅ to _{P 8}
is taken out from each unit storage shelf T of the storage shelf H and stored in each of the shelves 22, at least one blank shelf 22 is formed, and the molding machines P ₁ to P ₄ are placed on this blank shelf 22. Alternatively, the molds M taken out from _P5 to _P8 can always be stored.

Further, a plurality of supports 31 for raising and lowering the base 3 are erected at the front of the shelf frame 2 on the upper side of the movable cart 1, and on both sides of the base 3 in the lateral direction. , a guide plate 32 extending in the vertical direction is attached, and 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 moved through each guide roller 33.
is guided vertically along each of the pillars 31.

The base 3 is moved up and down along each of the supports 31 by a lifting device 6 driven by a third drive device provided at the top of the transfer machine A, and details are shown in FIG. , the third
As a drive device, a motor 51 and a speed reducer 52 capable of forward and reverse rotation are used, and both of these are connected to the support column 31.
It is attached to a support plate 53 provided on the top of the.

Further, the lifting device 6 is wound around first to third sprockets 61, 62, 63, each of these sprockets 61, 62, 63, and the drive sprocket 52a of the reduction gear 52, and one end in the length direction is connected to the base. It consists of two chains 64 and 65 connected to both lateral ends of the base 3, and the first sprocket 6
1 is rotatably supported on both sides of the lower part of the reducer 52 on the support plate 53, and the second and third sprockets 62, 63 are connected to the shelf frame 2.
The upper frame 34 is installed between the upper parts of each support 21 and each support 31 that guides the base 3 up and down, and each rotates to a position opposite to both lateral ends of the base 3 in the upper frame 34. The respective sprockets 61, 62 and 61, 62, 6
The lower end portions of the chains 64 and 65, which are hung around the base 3, are respectively connected to both end portions of the base 3 in the lateral direction.

In this way, by driving the speed reducer 52 interlocked with the motor 51, each of the sprockets 61, 6
2, 63 are rotated forward and backward, and the chains 64,
The base 3 is raised and lowered in the vertical direction along each support column 31 via the support 65.

Further, the support stand 4 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 which are provided in a vertically stacked manner. By moving the table 3 back and forth, each mold M can be taken out from each molding machine P, and a new mold M stored in each shelf 22 of the shelf frame 2 can be taken out from each shelf 22. Set it in each molding machine P mentioned above.

Each of the slide members 41 and 42 is connected to the base 3.
A second drive device consisting of a motor 43 provided at the bottom allows movement in the front and rear directions.

Further, each of the molding machines P is provided with a hydraulic cylinder 7 at a rear position facing the set position S of the mold M, and the mold M is pressed from the set position S by the operation of the cylinder 7. , the mold M is taken out to the outside.

Furthermore, the mold setting position S in each molding machine P
A pair of projecting rods 8, 8, which are supported by the base 3 and facing the support stand 4 at the front part of the support stand 4, are provided with a pair of projecting rods 8, 8 with a spacing slightly wider than the length of the support stand 4 in the width direction. , a plurality of rollers 81 are rotatably supported on the upper side of each of these projecting rods 8,
The hydraulic cylinder 7
Then, the mold M taken out from the mold set position S of the molding machine P is guided onto the support table 4.

Further, as shown in FIG. 3, the bogie reversing device B is provided with a guide rail 91 made of, for example, annular steel in a pit 90, and the movable bogie 1 is mounted on this guide rail 91. The traveling rail R has a length sufficient to fully support the rail R.
A rotary table 92 having a disk shape and having short rails _R1 arranged at the same intervals as shown in FIG. This is to reverse the .

In addition, the mold storage shelf H shown in FIGS. 1 and 2 is made by connecting a large number of unit storage shelves T with a connecting device such as a chain,
It is possible to move around on the 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 opposed to the running rail R. may be arranged along the traveling rail R, or may be made to be able to go around or may be a fixed shelf.

Further, when each of the unit storage shelves T is rotated, a sprocket that engages with the connecting member is provided at each rotating portion, and one of these sprockets is driven by a motor 71 serving as a fourth drive device.

In addition, the automatic mold changing device configured as above,
A controller C controls the driving of the first to fourth drive devices.

Next, among the plurality of molding machines arranged on both sides of the movable trolley 1 in the moving direction, a plurality of molding machines P ₁ to _{P 4} arranged on one side along the moving direction of the movable trolley 1 are each used. We will explain the mold exchange when exchanging a set mold with a new mold, but for convenience of explanation, the first drive device will be referred to as the bogie running motor 12, and the second drive device will be supported. The platform sliding motor 43, the third drive device will be referred to as a platform lifting motor 51, and the fourth drive device will be referred to as a rack rotation motor 71.

Although not shown, on the traveling rail R, a detector (log) for activating a limit switch _L1 to be described later for detecting the position of the transfer machine A is installed on each of the molding machines _P1 to P. ₄ and the exchange positions corresponding to P ₅ to P ₈ and the trolley reversing device B shown in Fig. 2.
The upper standby position and the transfer position corresponding to the turning section of the storage shelf H are provided respectively, and the transfer machine A is provided with the limit switch consisting of a photoelectric switch or the like serving as a position detection sensor.
Limit switches L ₂ for detecting the positions of L ₁ and the support base 4 are provided corresponding to the forward movement position, the reverse movement position, and the intermediate position.

Furthermore, the vertical position of the base 3 and the storage shelf H
The position of each unit storage shelf T in is detected by rotary encoders RE ₁ and RE ₂ provided in the drive system of each of the motors 51 and 71.

Further, drive control of each of the motors 12, 43, 51, 71 is performed by a controller C shown in FIG. 7, and an input circuit 72 on the input side of this controller C mainly has a magnetic An input device consisting of a card reader (CR) or other keyboard with a numeric keypad is connected to each of the limit switches L ₁ , L ₂ . . . and rotary encoders RE ₁ , RE ₂ , and
The output circuit 73 on the output side includes a drive control circuit DV ₁ for the trolley running motor 12, a drive control circuit DV ₂ for the support slide motor 43, and a drive control circuit DV ₃ for the base lift motor 51. And the drive control circuit _DV4 of the rack rotation motor 71 is connected. The controller C also controls the limit switches L ₁ and L ₂ and the rotary encoder by the arithmetic circuit 74 of its central processing unit.
Based on the data from RE ₁ and RE ₂ , the transfer machine A,
A current position detection circuit 75 is provided to detect the current positions of the support stand 4, the base 3, and the unit storage shelf T.

Further, each of the motors 12, 43, 51, 7 is connected to each output side of each of the drive circuits _DV1 to _DV2.
1 is connected.

Next, a description will be given of the mold changing operation for the molding machines P ₁ to _{P 4} of the automatic mold changing device configured as described above.

First, a new mold M to be replaced and the molding machine
The magnetic cards corresponding to the old molds M of P ₁ to _{P 4} are inserted into the magnetic card reader CR, and the mold number data is input.

Then, after the reading of data by the magnetic card reader CR is completed, the activation operation is performed,
With this startup operation, the mold storage shelf H first rotates,
Sending 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 P ₁ to _{P 4} to a movement position to the transfer machine A, Stop.

Incidentally, when the unit storage shelf T is at the transfer position during the start-up operation, the storage shelf H does not rotate.

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, and after reaching this transfer position, it is stored in the unit storage shelf T. The molds M are transferred to each shelf 22 of the transfer machine A in accordance with the arrangement order of the molding machines _P1 to _P4 .

Note that the order of transfer to each shelf 22 is based on the molding machine.
Corresponding to P ₁ to _{P 4} , it is carried out either from the bottom to the top or from the top to the bottom, and the blank shelf 22
should be at the bottom or top.

In other words, if it is more convenient to start the replacement work from the molding machine P ₁ , and if the molding machines P ₁ to _{P 4} are transferred from the bottom to the top in accordance with the arrangement order, the bottom shelf should be replaced with the blank shelf 22. In addition, when transferring from the top to the bottom, the top shelf is set as a blank shelf 22.

Also, if it is more convenient to start the replacement work from the molding machine _P4 , the position of the blank shelf 22 is reversed.

Furthermore, the order in which the molds M are stored in each shelf of the unit storage rack T is done in accordance with the arrangement order of the molding machines P ₁ to _{P 4} , and corresponds to the procedure of the replacement work. It is stored either from above or from above to below. By doing so, the transfer to the transfer machine A can be carried out efficiently. The order in which the molds M are stored in the unit storage shelf T and the order in which they are transferred to the transfer machine A is determined by drive control of the support slide motor 43 and the base lift motor 51 in the transfer machine A. , it can be executed as programmed in advance.

After the mold transfer from the unit storage shelf T to the transfer machine A is completed, the transfer machine A moves to the molding machine along the rail R, and at the same time the storage shelf H rotates around. , the unit storage shelf T corresponding to the mold number of the old mold stops after reaching the transfer position.

Further, if the mold order on each shelf 22 of the transfer machine A and the blank shelf 22 are set to start the exchange from the molding machine _P1 , the transfer machine A corresponds to the molding machine _P1. It stops at the replacement position. After reaching this replacement position, the old mold set in the molding machine P ₁ is taken out, stored in the blank shelf 22 provided at the lowest stage of the transfer machine A, and transferred to the second stage. The new mold was installed in the above molding machine.
It will be transferred to _P1 .

To replace this mold, first use the motor 51 for raising and lowering the base.
After positioning the base 3 so that the support base 4 is slightly lower than the upper surface of the roller 81 of the protruding rod 8 protruding forward of the molding machine _P1 , the support base 4 is The support table is moved toward the molding machine P ₁ via the motor 43 for sliding, and then the old mold M set at the set position S of the molding machine P ₁ is moved from behind. The mold M on each of the projecting rods 8 is pushed by the hydraulic cylinder 7 and taken out through the rollers 81 of each of the projecting rods 8 to the outside, and then the support base 4 is moved to the upper side. is placed on the support stand 4.

and 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 shelf 22 provided on the shelf frame 2 via the lift device 6 by driving the base lifting motor 51. After raising and lowering the supporting base 4 to a position slightly higher than the position opposite to the blank shelf 22 in which no new mold M is stored, the support base 4 is moved to the blank shelf 22 via the motor 4 at this position. 22 side and then lowering the support stand 4, the mold M taken out onto the support stand 4
are stored in the blank shelf 22.

Further, after storing the mold M taken out from the molding machine P ₁ in the blank shelf 22 as described above, the base 3 is placed in the molding machine P ₁ among the shelves 22.
The motor 51 lifts and lowers the support base 4 to the position of the second shelf 22 where the new mold M to be set is stored. By moving the support stand 4 to the lower position of the shelf 22 and raising the support stand 4, a new mold M stored in the shelf 22 is placed on this support stand 4, and then the base stand 3 is placed on the support stand 4. is raised and lowered by the motor 51 to a position opposite to the mold setting position S of the molding machine P ₁ , and the support table 4 is moved to the side of each of the projecting rods 8 by the motor 43 . Place the new mold M on the above rod 8.
The mold is set at the mold setting position S of the molding machine _P1 via the respective rollers 81 of the molding machine P1.

After replacing the mold of molding machine _P1 as described above, the transfer machine A moves to the next molding machine _P2 ,
It stops at the exchange position corresponding to this molding machine _P2 .

Thereafter, the molds are replaced in the same manner as in the molding machine _P1 , and the molds in the molding machines _P3 and _P4 are replaced in the same manner. After completing the mold exchange of the molding machines _P1 to _P4 , the transfer machine A moves to the transfer position with the storage shelf H, and when it reaches the transfer position, the transfer machine A moves to the transfer position with the storage shelf H. will stop.

At this time, it is confirmed whether the rotation of the storage shelf H has been completed, and if the unit storage shelf T that stores the old molds is located at the transfer position and stopped, the transfer machine The mold is transferred to the unit storage shelf T.

When this mold transfer is completed, the transfer machine A returns to the standby position and stops at this standby position.

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 operation of the support table 4 in the front and back direction,
By using the controller C that controls the drive of each of the motors 12, 43, and 51 described above, the molding machines _P1 to P4 are set in the plurality of molding machines P1 to _P4 arranged on one side along the moving direction of the movable cart 1. The work of replacing multiple molds M can be done automatically and efficiently in a short time.

In addition, when replacing the molds set in the plurality of molding machines _P5 to _P8 disposed on the other side along the moving direction of the movable trolley 1 with new molds, the mold storage shelf H to the plurality of molding machines
A plurality of new molds to be set at P ₅ to _{P 8} are stored on each shelf 22 of the shelf frame 2, and then moved onto the cart reversing device B provided on one side of the moving cart 1 in the moving direction. The movable cart 1 is reversed by the rotation of the cart reversing device B, and the mold transfer device A is moved to a position facing the plurality of molding machines P ₅ to _{P 8} by the driving device. The molds set in the plurality of molding machines _P5 to _P8 and the new plurality of molds stored in each of the shelves 22 are sequentially moved by the drive, as described above. , the first controlled by the controller C;
It is automatically replaced by the drive of two or three drive devices.

As described above, the work of exchanging molds set in a plurality of molding machines arranged on both sides of the moving direction of the movable trolley 1 with new molds is carried out by the plurality of mold transfer machines A. This can be done automatically by two reciprocating movements between the molding machine and the mold storage shelf H and a reversing operation of the cart reversing device B, and the mold changing time of each of the plurality of molding machines is reduced. The operation stop time of each of the molding machines is significantly shortened, productivity is increased, and the mold transfer machine 1
Since there is always an empty shelf 22 in the controller C, the molds can be replaced smoothly.
automatic control can be simplified.

Note that the cart reversing device B may be provided with a drive device (not shown) for rotationally driving the rotating table 92, so that the controller C can drive and control the cart reversing device B.

(Effects of the Invention) As explained above, according to the automatic exchange device for multiple molds according to the present invention, there is a space between a mold storage shelf H, a plurality of molding machines whose molds are to be exchanged, and the mold storage shelf H. On the movable trolley 1 capable of reciprocating, and on one side in the direction orthogonal to the moving direction of the movable trolley 1,
A shelf frame 2 having a plurality of shelves 22, which is at least one more than the number of molding machines in the vertical direction, is erected, and a mold support stand 4 is placed in front of the shelf frame 2, perpendicular to the direction of movement of the movable cart 1. a mold transfer machine A configured to support a base 3 movably in a direction to move up and down; and the mold support base 4
a second drive device that moves the base 3, a third drive device that raises and lowers the base 3, and a controller C that drives and controls each of these drive devices. Since a cart reversing device B for reversing the movable cart 1 is provided, even if a plurality of molding machines are arranged on both sides along the moving direction of the movable cart 1, the plurality of molding machines can be The work of exchanging the set molds with new molds can be done in one round trip between the plurality of molding machines of the mold transfer machine A and the mold storage shelf H. It can be done.

In other words, the mold transfer machine A is capable of reciprocating between the molding machine of the composite table and the mold storage shelf H, and moreover, the mold transfer machine A is capable of reciprocating between the molding machine of the composite table and the mold storage shelf H, and moreover, there are multiple shelves on the movable trolley 1 that are at least one more than the number of molding machines. 22 arranged vertically in the shelf frame 2
Even if the shelf frame 2 accommodates the same number of molds as the molding machines, there will always be an empty shelf 22, and the mold support 4 is placed on the side of the shelf frame 2. A base 3 supported movably in a direction orthogonal to the moving direction of the mobile cart 1 is supported so as to be movable up and down, and the mold can be taken in and out by moving the machine base 3 and the mold support base 4. Moreover, since the mold transfer machine A can be reversed by the trolley reversing device B, even if a plurality of molding machines are arranged on both sides along the moving direction of the movable trolley 1, the plurality of molding machines The work of replacing the mold set in the molding machine with a new mold is carried out by one round trip between the plurality of molding machines of the mold transfer machine A and the mold storage shelf H. This makes it possible to shorten the mold replacement time for the plurality of molding machines, reduce the downtime required when replacing each molding machine, and significantly increase productivity. .

Moreover, when the empty shelf 22 is provided in the shelf frame 2, a plurality of shelves, one more than the number of molding machines, are arranged in the vertical direction, so that the raising and lowering of the base 3 and the mold support can be controlled. When exchanging new and old molds in each molding machine by moving the molding machine in the forward and backward direction in step 4, the exchange can be performed at the same position without moving the movable trolley 1. The mold replacement time can be shortened, and even if automatic control is performed using a controller or the like, the control can be simplified.

[Brief explanation of the drawing]

FIG. 1 is a schematic plan layout showing one embodiment of the automatic exchange device of the present invention, FIG. 2 is a schematic side view of the same, and FIG.
The figure is a schematic sectional view of the trolley reversing device, 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 the figure 4. FIG. 7 is a block diagram showing control of the drive system of the automatic exchange device of the present invention. A... Mold transfer machine, B... Cart reversing device, 1...
...Moving trolley, 2...Shelf frame, 22...Shelf, 3...Base, 4...Support stand,...First drive device,...
Second drive device,...Third drive device, C...Controller, H...Mold storage shelf.

Claims (1)

[Claims] 1. A mold storage shelf H that is an exchange device for exchanging multiple molds used in multiple molding machines, and is capable of moving around a plurality of unit storage shelves T each having a predetermined number of shelves in the vertical direction. The molding machine is mounted vertically on a movable trolley 1 that is capable of reciprocating between the molding machine and the mold storage shelf H, and on one side in a direction orthogonal to the moving direction of the movable trolley 1. A shelf frame 2 having a plurality of shelves 22, which is at least one more than the number of shelves 22, is erected, and a mold support stand 4 is movable in a direction orthogonal to the moving direction of the mobile cart 1 in front of the shelf frame 2. A mold transfer machine A that supports the supported base 3 so as to be movable up and down; a second drive device that moves the platform 4;
A third drive device that raises and lowers the base 3, and a controller C that drives and controls each of these drive devices, etc., and a trolley reversal device that reverses the movable trolley 1 to one side in the moving direction of the movable trolley 1. An automatic exchange device for multiple molds, characterized in that device B is provided.