JP3411073B2 - Magazine change - Google Patents

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention relates to magazine changes.

[0002]

2. Description of the Related Art In a work process of a work, a plurality of works are often stored in a predetermined state using a magazine so that the work can be smoothly supplied to the next process. For example, there is a magazine used when a lead frame in which a semiconductor chip is resin-molded is supplied to a trimming and forming device of a semiconductor device. As shown in FIG. 14, the shape of the magazine is such that a plurality of strip-shaped lead frames are held in a stacked state and can be moved in and out in the stacking direction, and plate members are bent so as to surround four corners of the stacked lead frames. And a receiving portion 112 for receiving the lead frame so that the lead frame is placed. Further, one side surface of the magazine 110 is opened over the entire height. This opening 114 is
It is formed so that the arm portion of the elevator for lifting the stacked lead frames can pass through.

In order to supply the lead frame to the next process, it is necessary to place the magazine 110 accommodating the lead frame at a predetermined position because of the relationship with the apparatus of the next process. In addition, after all the lead frames are supplied from the one magazine 110 to the apparatus for the next process, the next magazine 110 is placed at a predetermined position within a short time as much as possible, which improves the processing efficiency. Is required for.

For this reason, a magazine change having a magazine holding portion for holding the magazine 110 at a predetermined position in an exchangeable manner is used. A conventional example of magazine change is shown in FIG. The magazine holding portion 116 of this magazine change has a width guide 11 for guiding the magazine 110 in its width direction so as to hold the magazine 110.
7 is provided. Further, an abutment (not shown) is provided on the back side and a stopper (not shown) is provided on the front side so as to position the magazine in the longitudinal direction when the magazine is mounted.

Further, in this magazine change, two magazine holding portions 116 are arranged side by side and mounted on the movable base 118. The movable base 118 reciprocates on the base plate 120 so that when one magazine 110 is in a predetermined supply position capable of supplying a work (lead frame) to the next process, the other magazine 110 is in a position to be replaced. It is movably installed. A rail 122 guides the reciprocal movement of the movable base 118. 12
4 is a cylinder device, the tip of the rod is movable base 1
18, the cylinder body is connected to the base plate 120.
Is fixed to the base plate 120 and acts as a drive device that reciprocates the movable base 118 with respect to the base plate 120.
Further, 126 is a stopper, and the movable base 118 reciprocates within a predetermined range so that one magazine holding portion 116
When the magazine 110 held by the first magazine moves to a position for supplying the lead frame to the next process (lead frame supply position A), the magazine 110 held by the other magazine holding portion 116 replaces the magazine 110 (magazine It is regulated to move to the exchange positions B and C).

[0006]

By the way, since lead frames have various sizes, magazines also have various sizes corresponding to the sizes of these lead frames. For this reason, conventionally, the magazine holding portion 116 provided for the magazine change is also provided with various sizes corresponding to the size of the magazine 110, and is replaced every time the type of the lead frame is changed. . That is, a magazine holding unit 1 dedicated to each magazine 110
16 is provided, and the dedicated magazine holding portion 116 is replaceably provided on the movable base 118 provided for the magazine change. In this way, each size magazine 1
If a dedicated magazine holding unit 116 is provided for each 10, the number of magazine holding units 116 becomes enormous, the manufacturing cost increases, and the management becomes complicated. In addition, since the worker needs to replace the magazine holding unit 116 each time, there is a problem that it is complicated, setup time is required, and processing efficiency is reduced.

On the other hand, it has been proposed that only the magazine holding portion 116 corresponding to the largest magazine is provided and the largest magazine side is provided with a structure corresponding to each size of lead frame. That is, the inner size of the lead frame of the largest magazine can be changed in correspondence with the lead frame of each size, and an adjustment member is mounted inside the largest magazine to adjust the lead frame so that it can be adjusted appropriately. There is also an example. However, with this method, each time the type of the lead frame changes, the operator needs to change the predetermined adjusting member each time, which increases the setup time and decreases the processing efficiency in the process in which high-mix low-volume production is performed. There was a problem that it would end up. Further, since the adjusting member is attached to the largest magazine, the magazine becomes heavy and difficult to handle.

[0008] Therefore, an object of the present invention is to provide a magazine change capable of suitably and easily adjusting a magazine holding portion for holding a magazine corresponding to magazines of various sizes and improving processing efficiency. And

[0009]

In order to achieve the above object, the present invention has the following constitution. That is, the present invention is
In a magazine change that holds exchangeable magazines of various sizes that accommodate workpieces, they are arranged in parallel and face each other in order to regulate the position of the inserted magazine in the X direction, and can move in and out of each other in synchronization. A pair of width guides, a guide width driving device that moves the pair of width guides to and from each other in synchronization with each other, and positions the pair of width guides at predetermined width intervals, and the Y of the magazine to be inserted. A pair of clamps, which are arranged at both ends of the width guide so as to contact and separate from each other in synchronization with each other so as to regulate the directional position, and the pair of clamps sandwich the magazine from both sides. And a clamp driving device for synchronously moving the clamps to and from each other.

Further, in the magazine change, since the width guide is provided with a magazine placing portion for supporting the magazine to be inserted by abutting the lower surface thereof, the structure is simplified and the elevator for lifting the work is provided. The movable space can be suitably secured.

Further, the pair of clamps are located between the pair of width guides, and the abutting clamp provided so as to be able to contact one end of the magazine to be inserted and the magazine are inserted between the pair of width guides. Then, when the magazine is replaced, the magazine is slid between the pair of width guides by protruding between the pair of width guides and being able to contact the other end of the magazine. It can be inserted appropriately.

The ratchet clamp is rotatably provided on a moving member that reciprocates in the Y direction of the magazine, and is attached during movement in a window provided in one width guide of the pair of width guides. A biasing member projects between the pair of width guides so that when the ratchet clamp is moved to the outermost side, the ratchet clamp comes into contact with the inner frame surface of the window and is rotated so as to be pulled in between the pair of width guides. By being configured,
The structure can be simplified, and the size and weight of the device can be reduced.

Further, in the magazine change, when a predetermined identification data is given in order to hold a magazine of a predetermined size, the pair of width guides are moved by a predetermined distance according to the identification data. Since the guide width drive device and the control device for controlling the clamp drive device so as to move the pair of clamps are provided, the setup can be automated.

Further, two magazine holding portions having the pair of width guides and the pair of clamps are arranged side by side on the movable base, and when one magazine is in a position for supplying a work to the next process, the other is held. Since the movable base is reciprocally provided so that the magazine is located at the exchange position where the magazine can be exchanged, the next magazine can be exchanged preferably while the work is being supplied.

Further, since the pair of width guides of the two magazine holding portions arranged side by side are provided so as to be interlocked with each other, the X of the two magazines can be operated by one guide width driving device. Directional position can be regulated.

Further, in the magazine change, a base plate for supporting the movable base is provided so as to be movable up and down, and a vertical drive device for moving the base plate is provided, so that the height position of the magazine is also suitably adjusted. it can.

Further, in the magazine change,
In order to hold a magazine of a predetermined size, when given identification data, the guide width drive device and the pair of clamps are arranged to move the pair of width guides a predetermined distance according to the identification data. Is provided with a control means for controlling the clamp driving device for moving a predetermined distance and the vertical movement driving device for moving a base plate by a predetermined distance, so that the magazine holding portion is adjusted for various magazines. The setup process of doing can be fully automated.

Further, since one width guide of the pair of width guides is divided and an elevator for lifting a work through the gap is provided so as to be movable up and down, it is possible to use an elevator device having a preferable structure. Is possible.

[0019]

According to the present invention, a pair of width guides can be synchronously moved toward and away from each other by the driving force of the guide driving device so that the pair of width guides can be positioned at a predetermined width interval, and the magazine to be inserted. The X-direction position of can be regulated. Further, the pair of clamps can be synchronously moved toward and away from each other by the driving force of the clamp driving device, and the pair of clamps can sandwich the magazine from both sides, and the position of the inserted magazine in the Y direction can be regulated. Thus, according to the magazine change of the present invention, it is possible to hold various magazines at predetermined positions automatically and in a short time corresponding to various magazines. Further, by giving predetermined identification data to the control means so that the guide width drive device, the clamp drive device, etc. are controlled in accordance with the identification data, other management is not required, and the magazine is suitable. Magazine changes can be adjusted to hold.

[0020]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings. First, an outline of the invention is shown in FIG.
4 to 4 will be described with reference to explanatory views for schematically explaining the magazine change according to the present invention. Here, the magazine change is a device that holds the magazine 10 containing the work in a replaceable manner at a predetermined position. Also, magazine 10
The device is a device for accommodating a plurality of works in a predetermined state so that the works can be smoothly supplied to the next process in the process of working the works. The axis X in the figure is the magazine 1 to be inserted
0 is a coordinate axis in the width direction, axis Y is a coordinate axis in the insertion direction (length direction) of the magazine 10 to be inserted, and this axis X
A position where the magazine 10 is held is a center where the magazine 10 is held.

Reference numerals 12 (12a, 12b) are a pair of width guides, which are arranged in parallel in opposition to each other so as to regulate the position of the magazine 10 to be inserted in the X direction, and are provided so as to be able to move toward and away from each other in synchronization. Has been. A guide width driving device that moves the pair of width guides 12 to and from each other in synchronization with each other to position the pair of width guides 12 at a predetermined width interval will be described later with reference to specific examples. 14 (14a, 14b) are a pair of clamps, which are arranged at both ends of the pair of width guides 12 so as to regulate the position of the magazine 10 to be inserted in the Y direction, and are provided so as to move in and out of each other in synchronization. Has been. A clamp driving device for synchronously moving the pair of clamps 14 toward and away from each other so that the pair of clamps 14 sandwich the magazine 10 from both sides will be described later with reference to specific examples. The pair of width guides 12 and the pair of clamps 14 form a magazine holding portion 16.

In the state of FIG. 1, the pair of width guides 12 are
The width guides are open to the maximum on both sides centering on the center. Further, only one clamp 14 a of the pair of clamps 14 is located between the pair of width guides 12 and on the back side when viewed from the magazine 10 to be inserted. At this time, the other clamp (not shown) is provided with a pair of width guides 12.
Not protruding between.

FIG. 2 shows that the pair of width guides 12 are synchronously moved toward each other so as to regulate the position of the magazine 10 to be inserted in the X direction by the driving force of the guide driving device. There is. At this time, the guide driving device is controlled by the control means described later, and the pair of width guides 12 with respect to the width of the magazine 10 to be inserted.
Of the pair of width guides 12 so that the space between
To position. The distance between the pair of width guides 12 is set to be slightly larger than the width of the magazine 10 in order to insert the magazine 10 by appropriately sliding it.
After the width interval between the pair of width guides 12 is set in this manner, the magazine 10 is inserted between the pair of width guides 12 as shown in FIG. At this time, the magazine 10
The movement is restricted by one clamp 14a, and the other clamp 14b needs to be inserted deeper than the protruding position.

Next, as shown in FIG. 4, one clamp 1
4a moves toward the center, and the other clamp 14b moves toward the center while protruding between the pair of width magazines 12, and holds the magazine by sandwiching the magazine 10 from both sides. In this way, the pair of width guides 12 and the pair of clamps 14 synchronously move toward each other so that the center of the magazine holding unit 16 and the center of the magazine 10 coincide with each other within a predetermined error range. You can Further, by configuring the magazine holding unit for magazine change in this way, each magazine can be automatically and quickly held at a predetermined position in correspondence with various magazines. That is, it is possible to eliminate manual setup work and improve the efficiency of the processing process.

Next, a specific embodiment of the magazine change according to the present invention will be described with reference to FIGS. FIG. 5 is a front view showing the entire magazine change forming a part of a supply device for supplying a lead frame, in which a semiconductor chip is resin-molded, to a semiconductor device for trimming and forming device (next process device). This magazine change operates to move the lead frame to a predetermined position so that the lead frame is sequentially supplied to the next process device. In the embodiment of FIG. 5, the left magazine holding portion 16a
The lead frames housed in the magazine 10 held in the magazine 1 are stacked by the elevator device 18 in the magazine 1
It is sequentially moved to the upper part of 0. Then, the uppermost lead frame is held by a pickup device (not shown) and conveyed to the next process device. Each configuration will be described below.

The magazine 10 is formed similarly to the magazine 110 shown in FIG. The detailed shape has been described in the section of the related art, and thus will be omitted here. Reference numeral 22 denotes a movable base, and two magazine holding portions having the same operating principle as the magazine holding portion 16 of FIG. 1 are arranged side by side on the movable base 22. The movable base 22 is reciprocally provided so that when one magazine 10 is in a position for supplying a lead frame to the next process, the other magazine 10 is in a replacement position where the magazine holding portion can be replaced. Two (left and right) magazine holders 16a, 16
As described with reference to FIGS. 1 to 4, b has a pair of width guides 12 and a pair of clamps 14, respectively. The detailed configuration will be described later.

A base plate 24 supports the movable base 22. A rail 26 is provided on the base plate 24, and the movable base 22 is guided by the rail 26 to reciprocate. Reference numeral 28 is a cylinder device, and the tip of the rod is connected to the movable base 22 by the connecting member 2
9 and the cylinder body is connected to the base plate 2
It is fixed at 4. The cylinder device 28 acts as a drive device that reciprocates the movable base 22 with respect to the base plate 24. Further, reference numerals 30b and 30a denote left and right stoppers, and the movable base 22 reciprocates within a predetermined range so that the magazine 1 held by one of the magazine holders is held.
When 0 moves to a position where the lead frame is supplied to the next process, the magazine 10 held by the other magazine holding portion
However, it is regulated to move to a predetermined position for exchanging the magazine. These stoppers are provided with a fine adjustment mechanism using screws.

Reference numeral 32 is a vertical movement driving device, and a male screw column 34 rotatably erected on a base 33 is provided on the base plate 2.
A pulley 35 fixed to the female screw portion 36 fixed to 4 and fixed to the lower portion of the male screw column 34 and a vertical movement motor 38 fixed to the base 33 are connected by a belt 40. . Therefore, in the vertical movement drive device 32, the base plate 24 supporting the movable base 22 can be moved up and down (direction of arrow H) by the driving force of the vertical movement motor 38. Reference numeral 42 denotes an up-and-down moving guide column, which is provided upright on the base body 33 and is fitted and inserted into a cylindrical slide member 44 fixed to the base plate 24 to guide the base plate 24 so that the base plate 24 can move up and down smoothly. ing.

Further, the elevator device 18 has an elevator arm portion 46 for supporting and lifting the stacked lead frames from below, and is driven by a belt drive mechanism. The belt drive mechanism includes a driven pulley 49 rotatably provided near the upper end of an elevator standing plate 48 that is erected on the base 33, and a drive motor (not shown) near the lower end of the elevator standing plate 48. The drive pulley 50 is provided so as to be connected to the drive pulley 50, and the elevator belt 52 that connects the driven pulley 49 and the drive pulley 50 to each other.
The elevator belt 52 is connected to an up-and-down moving body 56 that is attached to the elevator standing plate 48 and is movable along a vertically extending linear guide 54. Then, the elevator arm unit 4 is attached to the vertical moving body 56.
6 is fixed. Therefore, the arm portion 46 can be moved up and down by driving the elevator belt 52 by the drive motor.

FIG. 6 shows the magazine holder 1 of the embodiment shown in FIG.
It is a front view which shows the detail of 6. The two (left and right) magazine holding portions 16a and 16b are similar to the magazine holding portions 16 schematically shown in FIG.
2 and a pair of clamps 14. A pair of width guides 1
2 includes a left width guide 12a and a right width guide 12b, and as schematically described in FIGS. 1 to 4, each width guide 12a, 12b is in the width direction of the magazine to be inserted (arrow X direction). ) To move away from. In addition, the left width guide 12a,
A left magazine placing portion 13a for supporting the inserted magazine by abutting its lower surface is provided, and similarly, a right magazine placing portion 13b is provided for the right width guide 12b.

Reference numeral 20 denotes a guide width drive motor, which acts as a power for moving the pair of two width guides 12 arranged side by side at a predetermined width interval. Details of the guide width drive mechanism for operating the width guide will be described later with reference to FIGS. The pair of clamps 14 includes one clamp (abutting clamp 14a) and the other clamp (ratchet clamp 14b), and operates as schematically described in FIGS. 1 to 4. The detailed drive mechanism of the pair of clamps 14 will be described later with reference to FIGS.

The movable base 22 is provided on the base plate 24 so as to be movable in the arrow M direction. Therefore, in the state where the cylinder device 28 is contracted as in the state of FIG. 6, the movable base 22 is brought into contact with the right stopper 30 a fixedly provided on the right portion of the base plate 24 and positioned on the right side of the base plate 24. It is in the state of being In this state, the left magazine holder 16a is at a predetermined supply position (A) where the lead frames stacked in the magazine can be supplied to the next process, and the right magazine holder 16b is a position where the magazine can be replaced (B). It is in.

When the cylinder device 28 is extended, the movable base 22 is brought into contact with the left stopper 30b fixedly provided on the left portion of the base plate 24 and positioned on the left side of the base plate 24. Therefore, the right magazine holder 16b is at the supply position (A) where the lead frames stacked in the magazine can be supplied to the next process, and the left magazine holder 16a is the position where the magazine can be replaced (C).
It is in. In this way, the two magazine holders 16a, 16
b can be shuttled alternately between the feed position of the lead frame and the exchange position of the magazine. Therefore, the operator can replace the other magazine while the lead frame is being supplied to the next process from one magazine, and the loss time required for the replacement of the magazine can be minimized.

Next, the detailed structure of the width guide of the present embodiment,
The detailed structure of the drive mechanism of the width guide will be described with reference to the drawings. FIG. 7 is a plan view illustrating the details of the two magazine holding units of the embodiment of FIG. In addition, FIG.
FIG. 9 is a right side view showing details of the magazine holding portion and the pair of width guides of the embodiment of FIG. 5, and FIG. 9 is a plan view showing a drive mechanism of the pair of width guides of the embodiment of FIG. 5.

Two (left and right) magazine holding portions 16a, 1
Each pair of width guides 12 provided on 6b has the same shape. Then, as shown in FIG. 7, the left width guide 12a of the left magazine holding portion 16a is provided so as to be movable along the two linear guides 58 and 59 fixed to the movable base 22. Similarly, the right magazine holding portion 16b
The left width guide 12a is movably provided along the straight guide 62 and the straight guide 59 fixed to the movable base 22. Further, the right inner width guide 12c of the left magazine holding portion 16a is provided so as to be movable along a straight line guide 60 located outside the straight line guide 58. Similarly, the right back width guide 12c of the right magazine holding portion 16b is provided so as to be movable along the linear guide 63 located outside the linear guide 62. Further, the right front width guide 12d of the left magazine holding portion 16a
Are provided so as to be movable along a linear guide 61 located outside the linear guide 59. Similarly, the right front width guide 12d of the right magazine holding portion 16b is also movably provided along the linear guide 61.

By the way, as shown in FIGS. 7 and 8, the pair of width guides 12 is composed of a left width guide 12a and a right width guide 12b, and the right width guide 12b is composed of a right back width guide 12c and a right front width. It is constituted by a guide 12d. Therefore, the right magazine placing portion 13b
Is divided into a right rear magazine placing portion 13c and a right front magazine placing portion 13d. In this way, the right width guide 12
The reason for dividing b is that the elevator arm portion 46 of the elevator device 18 is moved up and down. As is apparent from FIG. 7, two male screw columns 34 of the vertical movement drive device 32 are erected in diagonal positions, and two vertical guide columns 42 are also erected in different diagonal positions. With this, the base plate 24 can be moved up and down with good balance.

The pair of width guides 12 of the left and right magazine holders 16a and 16b arranged as described above.
Operates by the drive mechanism shown in FIG. The configuration and operation will be described below. Guide width drive motor 20
When is driven, the rotating shaft 68 rotatably supported by the bearings 69a and 69b provided on the left rear side of the movable base 22 is rotated via the belt 65. The rotating shaft 68 is provided with a reverse screw 66 on the left side and a positive screw 67 on the right side. A moving body 58a, which is movable along the linear guide 58, is screwed into the reverse screw 66, and the forward screw 6
7 is a movable body 60a that can move along the linear guide 60.
Are screwed together.

The rotary shaft 73, which is rotatably supported by bearings 73a and 73b provided on the front side of the movable base 22, connects the rotary shaft 68 and the belt 70 by a pulley 73a provided at one end thereof. It is connected through. Therefore, when the rotary shaft 68 rotates, the rotary shaft 73 also rotates in the same direction in synchronization. A reverse screw 71 is provided on the left side and a positive screw 72 is provided on the right side of the rotating shaft 73.
A moving body 59a that is movable along the straight line guide 59 is screwed into the reverse screw 71, and the straight screw 6 is fitted into the forward screw 72.
A movable body 61c movable along 1 is screwed.

The movable body 59a is connected to the movable body 59b which is movable along the linear guide 59 by the connecting portion 59c. Therefore, the moving body 59a and the moving body 59b move in the same direction along the straight line guide 59 in synchronization.
Further, the moving body 61c is connected to both the moving body 61a and the moving body 61b that can move along the linear guide 61. Therefore, the moving body 61a and the moving body 61b move in the same direction along the linear guide 61 in synchronization.

A rotary shaft 78, which is rotatably supported by bearings 79a and 79b provided on the far right side of the movable base 22, rotatably supports a belt 74 by the rotary shaft 73 and a pulley 73b provided at the other end. It is connected through. Therefore, when the rotary shaft 68 and the rotary shaft 73 rotate, the rotary shaft 78 also rotates synchronously in the same direction. This rotating shaft 7
8, a reverse screw 76 is provided on the left side and a positive screw 77 is provided on the right side. A movable body 62a movable along the linear guide 62 is screwed to the reverse screw 76, and a movable body 63a movable along the linear guide 63 is screwed to the positive screw 77.

As described above, each moving body is provided so as to be able to move synchronously by the driving force of the width guide driving motor 20, and each width guide is fixed to each moving body as described below. There is. First, the left magazine holder 16
a, the left width guide 12a has moving bodies 58a and 59a.
Is stuck to. The right back width guide 12c is the moving body 60a.
The right front width guide 12d is fixed to the moving body 61a. On the other hand, in the magazine holder 16b,
The left width guide 12a is fixed to the moving bodies 62a and 59b. The right back width guide 12c is fixed to the moving body 63a,
The right front width guide 12d is fixed to the moving body 61b. With the above-described configuration, the pair of width guides 12, 12 of the left and right magazine holding portions 16a, 16b arranged side by side can operate in conjunction with each other.

Next, the drive mechanism of the pair of clamps 14 will be described in detail with reference to FIGS. Figure 1
As shown in 0, the pair of clamps 14 includes the left width guide 1
It is attached to 2a. The abutting clamp 14a is located between the left width guide 12a and the right width guide 12b (between the pair of width guides 12) and is provided so as to be able to contact one end (the end on the back side) of the magazine to be inserted. Has been. A moving member 82 is reciprocally movable along a linear guide 83 provided on the outer surface of the left width guide 12a.
The abutting clamp 14a is fixed to one end side of the moving member 82 in a state of protruding between the pair of width guides 12 from the cutout portion of the left width guide 12a. Further, a rack 81 that meshes with the pinion gear 80 axially mounted on the outer surface of the left width guide 12a from above is provided below the moving member 82.

Reference numeral 84 is a cylinder device, the cylinder body is fixed to the outer surface of the left width guide 12a, and the tip of the rod is connected to the moving member 82 via a connecting piece 91.
Therefore, by expanding and contracting this cylinder device 84,
The butting clamp 14a reciprocates in the direction along the guide surface of the left width guide 12a (Y direction of the magazine to be inserted). At the same time, the pinion gear 80 rotates.

Reference numeral 14b is a ratchet clamp which, after the magazine is inserted between the pair of width guides 12, projects between the pair of width guides 12 so that it can come into contact with the other end (the front end) of the magazine. It is provided. A moving member 86 is reciprocally movable along a linear guide 87 provided on the outer surface of the left width guide 12a. The ratchet clamp 14b is rotatable on one end side (front side) of the moving member 86 with its tip side facing the pair of width guides 12 from the window 88 of the left width guide 12a as shown in FIG. The shaft 89 is pivotally mounted. The ratchet clamp 14b is normally urged by an urging member (spring 90) mounted between the ratchet clamp 14b and the moving member 86 so that the tip end thereof projects between the pair of width guides 12.

A rack 85 which meshes with the pinion gear 80 from below is provided on the upper portion of the moving member 86. Therefore, the moving member 86 is connected to the pinion gear 8
By the driving force of the cylinder device 84 transmitted via 0, it moves in the opposite direction in synchronization with the moving member 82. That is, when the cylinder device 84 extends from the state of FIG. 10, the moving member 82 moves to the right, and the moving member 86 moves to the left in synchronization with this. The magazine thus inserted can be sandwiched between the butting clamp 14a and the ratchet clamp 14b.

This ratchet clamp 14b is shown in FIG.
Further, as shown in FIG. 12, the left width guide 1 is rotatably provided on a moving member 86 that reciprocates in the Y direction of the magazine.
The spring 90 is moving during movement in the window 88 provided in 2a.
Is projected between the pair of width guides 12. Then, as shown in FIG. 13, when the ratchet clamp 14b is moved to the outermost side, the ratchet clamp 14b abuts on the inner frame surface 88a of the window 88 and is rotated so as to be drawn from between the pair of width guides 12. In this way, when the ratchet clamp 14b is moved to the outermost side and the magazine clamping state is released and the magazine can be replaced, the pair of width guides 12
Since the magazine is pulled in from between, the magazine can be slid and replaced, improving workability.

In the magazine change according to the above-mentioned structure, when a predetermined identification data is given in order to preferably hold a magazine of a predetermined size, the pair of width guides 12 are predetermined according to the identification data. A guide width drive motor 20 that constitutes a guide width drive device that operates to move a distance, and a cylinder device 84 that configures a clamp drive device that operates to move a pair of clamps 14.
Control means (not shown) may be provided to control and. According to this, the size of the magazine holding unit 16 can be automatically adjusted, and it is not necessary to manually adjust the size, and the processing efficiency can be improved. In order to give the predetermined identification data to the control means, in addition to inputting it through the operation panel, etc., the predetermined identification data is given to each die of the trimming or forming device and automatically when the predetermined die is set. Then, the identification data may be read.

Further, when the above-mentioned control means is given predetermined identification data, the vertical movement drive device 32 is arranged to move the base plate a predetermined distance according to the identification data.
By also serving as a control unit for controlling, the height of various magazines can be suitably accommodated and the size of the magazine change can be automatically adjusted. In addition, although the shuttle having the two magazine holding units is described in the present embodiment, the shuttle having a plurality of three or more magazine holding units may be used. Although various preferred embodiments of the present invention have been described above, the present invention is not limited to these embodiments, and many modifications can be made without departing from the spirit of the invention. That is.

[0049]

According to the present invention, a pair of width guides can be moved in contact with and separated from each other in a synchronized manner, and the pair of width guides can be positioned at a predetermined width interval. Can be regulated. Further, the pair of clamps can be moved in contact with each other in synchronization, and the pair of clamps can sandwich the magazine from both sides, and the position of the inserted magazine in the Y direction can be regulated. Therefore, according to the magazine change of the present invention, it is possible to suitably and easily adjust the size of the magazine holding portion corresponding to magazines of various sizes, improve the processing efficiency, and improve its versatility. It has a remarkable effect that it can be done. Further, by giving predetermined identification data to the control means so that the guide width drive device, the clamp drive device, etc. are controlled according to the identification data,
The remarkable effect that the magazine change can be adjusted so that magazines of various sizes can be preferably held without requiring other management is achieved.

[Brief description of drawings]

FIG. 1 is an explanatory view schematically explaining a magazine change according to the present invention.

FIG. 2 is an explanatory diagram illustrating an operating state of the magazine change of FIG.

FIG. 3 is an explanatory diagram illustrating an operating state of the magazine change of FIG. 1.

FIG. 4 is an explanatory diagram illustrating an operating state of the magazine change of FIG. 1.

FIG. 5 is a front view showing an embodiment of a magazine change according to the present invention.

FIG. 6 is a front view showing details of the magazine holding unit of the embodiment of FIG.

FIG. 7 is a plan view showing details of the magazine holding unit of the embodiment of FIG.

FIG. 8 is a right side view showing details of the magazine holding unit of the embodiment of FIG.

9 is a plan view showing a drive mechanism of a pair of width guides of the embodiment of FIG.

FIG. 10 is a left side view showing an example of a drive mechanism for a pair of clamps.

11 is a cross-sectional view showing a driving state of the pair of clamps in FIG.

FIG. 12 is a side view showing a driving state of the pair of clamps in FIG.

13 is a cross-sectional view showing a driving state of the pair of clamps in FIG.

FIG. 14 is a perspective view showing an example of a magazine.

FIG. 15 is a front view illustrating a conventional technique.

[Explanation of symbols]

10 magazines 12 pair of width guides 12a Left width guide 12b Right width guide 12c Right back width guide 12d Right front width guide 13 Magazine placement section 13a Left magazine placement section 13b Right magazine placement section 14 A pair of clamps 14a Butt clamp 14b ratchet clamp 16 Magazine holding section 16a Left magazine holder 16b Right magazine holding part 18 Elevator equipment 20 Guide width drive motor 22 Movable base 24 base plate 28 Cylinder device 32 Vertical movement drive 46 Elevator arm section 84 Cylinder device 86 Moving member 88 window 88a Inner frame surface 90 spring

Continuation of the front page (56) Reference JP-A-4-12912 (JP, A) Actually open 4-20232 (JP, U) Actually open 62-183613 (JP, U) Actually open 61-52631 (JP , U) (58) Fields investigated (Int.Cl. ⁷ , DB name) B65G 57/00 B65G 60/00

Claims (9)

(57) [Claims] 1. In a magazine change in which magazines of various sizes for accommodating workpieces are exchangeably held in a magazine holding portion, they are opposed to each other in order to regulate the X direction position of the magazine inserted into the magazine holding portion. A pair of width guides that are arranged in parallel and are provided so as to be able to move toward and away from each other in synchronization with each other, and the pair of width guides are moved toward and away from each other in synchronization with each other so that the pair of width guides have a predetermined width interval. A guide width drive device to be positioned and a pair provided at both ends of the width guide for restricting the Y-direction position of the magazine to be inserted into the magazine holding portion, the pair being provided so as to be movable toward and away from each other in synchronization. and clamps, so that the pair of clamp sandwiching the magazine from both sides, comprising a clamp driving unit for Hanaredo contact with each other in synchronization with the pair of clamping, the pair of clamp, a pair of width Located between the id, before
Can contact one end of the magazine inserted into the magazine holder
After the magazine is inserted between the abutting clamp provided in the
Can be abutted on the other end of the magazine by protruding between the pair of width guides
The magazine change is characterized by having a ratchet clamp that is installed in the function . 2. The ratchet clamp is the magazi
The movable member that reciprocates in the Y direction of the
And provided on one width guide of the pair of width guides.
While moving in the window, so that it protrudes between the pair of width guides
Biased and the ratchet clamp moves to the outermost
When it moves, it abuts on the inner frame surface of the window and the space between the pair of width guides
2. It is rotated so as to be pulled in from the outside.
Magazine change mentioned. 3. A magazine holder is inserted into the width guide.
A magazine that supports a supported magazine by abutting it on its lower surface
The magazine change according to claim 1 or 2, wherein a mounting portion is provided . 4. A holder for holding a magazine of a predetermined size.
When the predetermined identification data is given, the identification data
According to the above, the pair of width guides are moved by a predetermined distance.
Transfer the guide width drive and the pair of clamps.
Control hand for controlling the pre-Symbol clamp drive device so as to dynamic
4. A step is provided, wherein the step is provided.
Magazine change mentioned. 5. The pair of width guides and the pair of clan
Two magazine holding parts with a stack are arranged side by side on a movable base.
The position where one magazine supplies the work to the next process
The other magazine is replaced from the magazine holder when
The movable base can be reciprocated so that it is in the exchange position.
No. 1, 2, 3 characterized in that it is provided in the Noh.
Or the magazine change described in 4. 6. The two magazine holding portions arranged side by side
The pair of width guides are provided so that they can work together.
The magazine change according to claim 5 , wherein the magazine change is provided. 7. A base play for supporting the movable base.
Is vertically movable, and the base plate can be moved vertically.
A vertical drive device for
The magazine change according to claim 5 or 6 . 8. A holder for holding a magazine of a predetermined size.
When the predetermined identification data is given, the identification data
According to the above, the pair of width guides are moved by a predetermined distance.
The guide width drive and the pair of clamps.
The clamp drive and
Vertical movement drive to move the splate a predetermined distance
A control means for controlling the device is provided.
The magazine change according to claim 5, 6 or 7 . 9. The one width guide of the pair of width guides is
An elevator that divides and lifts the work through the gap.
The contractor is characterized in that the data is provided so as to be movable up and down.
Magazine change according to claim 1, 2, 3, 4, 5, 6, 7 or 8 .