JPH01140731A - Magazine exchange apparatus - Google Patents

Abstract

PURPOSE:To execute a transfer operation and a positioning operation surely, stably and easily by installing a magazine transfer and driving device which shifts a magazine-holding part between a magazine transfer and setting position and a magazine operation and setting position and whose position can be set. CONSTITUTION:While a magazine 6 is held by using a magazine-holding part 18, it is transferred between a magazine feed and mounting part 12 or a magazine discharge and mounting part 15 and a magazine-elevating part 16. Accordingly, the magazine does not fall down or the like at a boundary matching part between the magazine-mounting part 12, 15 and the magazine-elevating part 16; the magazine can be transferred surely, stably and easily. In addition, a magazine transfer and driving device 19 used to transfer the magazine-holding part 18 is constituted by a means such as a pulse motor or the like whose position can be set; accordingly, a transfer end of the magazine transfer and driving device 19 can be adjusted freely in accordance with a change in a size of a magazine; the magazine of all sizes which is transferred to the magazine- elevating part 16 can be positioned surely and easily in a desired magazine operation and setting position 16A.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a magazine exchange device for storing lead frames and the like.

[Prior art 1 A pounding device such as a bullet pounding device or a wire bonding device supplies a lead frame,
When discharging the lead frame after bonding,
A magazine is used that stores the lead frames in a stacked state.

Conventionally, the magazine was set to the lead frame supply position or ejection position of the bonder interface device in sequence.
A magazine exchange device as described in Japanese Patent Application Laid-Open No. 511-82242 is used.

This magzine exchange device consists of a magazine storage section (supply table or ejection table) on which the magazine is placed, a magazine lifting section that supports the magazine and moves up and down, and a device that moves the magazine up and down to move the magazine up and down. (positioned so that the lead frame storage area in the magazine corresponds to the lead frame guide rail of the pounding device in the vertical/width direction).

[Problems to be Solved by the Invention] However, in the conventional magazine exchange device described above, the magazine is transferred from the magazine supply table to the magazine elevating section using a conveyor, and the magazine is transferred from the magazine elevating section to the magazine ejecting table. The work of transferring the magazine to the machine is carried out using a magazine pusher. Therefore, the magazines that are transferred between the magazine loading section such as the magazine supply table or the magazine ejection table and the magazine lifting section are moved in an unstable state. For example, narrow magazines, etc. A tall magazine or the like may fall over at the boundary abutment between the magazine mounting section and the magazine elevating section.

Furthermore, in the conventional magazine exchange device described above, the movement from the magazine supply table to the magazine elevating section is completed by pressing one side of the magazine in the width direction against the positioning wall surface of the magazine elevating section. . Therefore, in order to match the widthwise position of the magazine set on the magazine elevating section with the lead frame guide rail of the pounding device, it is necessary to adjust the position of the magazine elevating section when changing the magazine size due to a change in lead frame type, etc. This requires complicated adjustment work such as interposing a spacer of an appropriate size between the wall surface and the magazine.

In addition, in the above-mentioned conventional magazine exchange device, after pressing one side of the magazine supplied in advance from the magazine supply table against the positioning wall surface of the magazine elevating section as described above, the subsequent magazine is transferred to the preceding magazine. In order to separate the conveyor from the next magazine and have the following magazine stand by at the magazine delivery position on the magazine supply table side, the complicated work of slightly reversing the conveyor is required.

The first aspect of the present invention is to transfer magazines of various sizes reliably, stably, and easily between the magazine loading section and the magazine lifting section, and to move the magazines to the magazine work setting position on the magazine lifting section side. The purpose is to ensure reliable and easy positioning.

The second aspect of the present invention is to transfer magazines of various sizes reliably, stably, and easily between the magazine loading section and the magazine lifting section, and to set the magazine delivery section on the magazine storage section side. The purpose is to reliably and easily position the magazine at the magazine work setting position on the side of the magazine lifting/lowering section.

Means for Solving Problem E] The first aspect of the present invention is a magazine mounting section for placing a magazine, a magazine elevating section that supports the magazine and moves up and down, and an elevating drive that moves the magazine elevating section up and down. A magazine exchange device comprising: a magazine holding section disposed in the magazine elevating section to hold the magazine; and a magazine transfer setting position and magazine disposed in the magazine elevating section on the side of the magazine mounting section. The present invention includes a magazine transfer drive device whose position can be set, which moves the magazine holding section between the magazine work setting position on the elevating section side.

The second aspect of the present invention is the magazine vL21 on which the magazine is placed.
In the magazine exchange device, the magazine exchange device includes a magazine lifting unit, a magazine lifting unit that supports the magazine and moves up and down, and a lifting drive unit that moves the magazine lifting unit up and down, the magazine being disposed in the magazine mounting unit and supplying the magazine. Magazine supply department and magazine! a position-settable magazine supply drive device that moves the magazine supply section so as to position the magazine placed on the magazine placement section to the magazine delivery setting position, and a magazine elevating section. The magazine holding part is arranged between the magazine holding part that holds the magazine and the magazine lifting part, and the magazine holding part is placed between the magazine transfer setting position on the magazine mounting part side and the magazine work setting position on the magazine lifting part side. The magazine is equipped with a movable magazine transfer drive device whose position can be set.

[Function] According to the first and second aspects of the present invention, the magazine can be transferred between the magazine storage section such as the magazine supply stand and the magazine ejection stand and the magazine elevating section while being held in the magazine holding section. be done. Therefore, even if the magazine is narrow or tall, it can be transferred reliably, stably, and easily without falling over, for example, at the boundary abutment between the magazine storage section and the magazine lifting section. can.

Further, according to the first and second aspects of the present invention, the magazine transfer drive device that moves the magazine holding section between the magazine delivery setting position and the magazine work setting position is a position setting device such as a pulse motor. Since the moving end of the magazine transfer drive device can be freely adjusted according to changes in magazine size, magazines of all sizes carried into the magazine lifting section can be reliably placed at the desired magazine work setting position. and can be easily positioned.

Further, according to the second aspect of the present invention, since the magazine supply drive device that moves the magazine supply section is constituted by position setting means such as a pulse motor, the moving end of the magazine supply drive device is connected to the magazine. It can be freely adjusted according to changes in size, and magazines of all sizes can be reliably and easily positioned at the magazine delivery setting position on the magazine 11 side.

[Example] Fig. 1 is a front view showing one embodiment of the present invention, and Fig. 2 is a front view showing an embodiment of the present invention.
FIG. 3 is a side view of FIG. 2, FIG. 4 is a partially cut-away front view of the magazine lifting section of FIG. 1, and FIG. The figure is a side view of FIG. 4, FIG. 6 is a plan view of FIG. 4, and FIG. 7 is a layout diagram schematically showing the pounding device.

The pounding device 1 is as shown in FIG.

A ponder 3 is arranged in the middle of the lead frame guide rail 2, and a magazine supply area 4A, a magazine work area 4B, and a magazine ejection area 4 are provided on a part of the guide rail 2 on the loading side.
A magazine supply area 5A, a magazine work area 5B, and a magazine discharge area 5C are set at the other end of the guide rail 2 on the unloading side. That is, the pounding device 1 delivers the lead frame filled in the magazine 6 set in the magazine work area 4B on the loading side to the guide rail 2 and pounds it with the ponder 3, and then pumps the lead frame after pounding. Magazine 6 set in magazine work area 5B on the unloading side
Store it in. The magazine 6 is provided with a large number of lead frame storage grooves 6A in the vertical direction of opposing inner walls, and lead frames can be stored in these storage grooves 6A.

Here, the pounding device 1 is provided with an exchange device 1O for transferring the magazine 6 between the magazine supply area 4A, the working area 4B, and the ejection area 4C on the loading side, and also on the unloading side with the magazine supply area 5A, work area 5B,
Exchange device 1 for transferring magazines 6 between discharge areas 5C
1 is provided.

As shown in FIGS. 1 to 6, the exchange device io includes a magazine supply and placement section 12, a magazine supply section 13, a magazine supply drive device 14, a magazine ejection and placement section 15, a magazine elevating section 16, and an elevating drive device. 17, a magazine holding section 18, a magazine transfer drive device m19, and a control device 100 consisting of a microcomputer and the like.

The magazine supply storage unit 12 is located in the magazine supply area 4A, and includes a magazine supply unit 13 that stores one or more magazines 6 filled with lead frames in a standby state and supplies the magazines 6. There is.

The magazine supply unit 13 is fixed to the tip of a guide rod 20 that is supported by the magazine supply placement unit 12 and moves in the horizontal direction, and is capable of pushing forward the magazine 6 placed on the placement unit 12. . The magazine supply section 13 includes a feed screw shaft 21 parallel to the guide load 20.

The magazine supply drive device 14 is connected to the magazine supply storage section 12.
a motor 23 supported by a bracket 22 fixed to the
A toothed pulley 24 is fixed to the output shaft of the motor 23, a toothed pulley 25 is rotatably held on the mounting portion 12 while being screwed to the feed screw shaft 21, and the toothed pulley 24 is wound around the toothed pulley 24. a toothed belt 26, a sensor 23B that operates with a sensor cam 23A fixed to the output shaft of the motor 23 to detect the origin of rotation of the motor 23, and a magazine supply section 13.
and a sensor 28 that operates with a sensor dog 27 that moves together with the magazine supply section 13 to detect a state in which the magazine supply section 13 is set at the return end. That is, the magazine supply drive device 14 moves the magazine supply section 13 through the threaded engagement of the toothed pulley 25, which is rotated by the drive of the motor 23, and the feed screw shaft 21.

Here, the motor 23 of the supply drive bag ff114 is constituted by a motor such as a pulse motor, a stepping motor, a DC servo motor, etc. whose rotation angle position can be set digitally. Rotation angle amount of motor 23 and sensor 23
The detection results of B and 28 are transferred to the control device lOO. As a result, the control device 100 controls the magazine supply drive device 1.
Magazine supply section 1'3 driven by 14 motors 23
The current position of the magazine 6 is constantly calculated digitally, and the width (Wl, W2
etc.), move the magazine 6 (the front end surface thereof) to the magazine delivery setting position 212 determined on the I mounting section 12.
The magazine supply unit 13 is moved under drive control of the motor 23 so as to be positioned at the position A. At this time, there are multiple magazines 6 on the mounting section 12! When the magazine 6 is placed first, the first magazine 6 is placed in the magazine delivery setting position! The motor 23 is intermittently driven and controlled so as to sequentially position it at 112A.

The magazine ejection and placement section 15 is located in the magazine ejection area 4C, and places the empty magazine 6 from which the lead frame has been ejected in the magazine work area 4B. In addition,
The magazine ejection and placement section 15 includes a fullness sensor 15B, which detects when the empty magazine 6 becomes full on the placement section 15, and causes an operator, robot, etc. to eject the magazine 6.

The magazine elevating section 16 and the elevating drive device 17 are located in the magazine working area 4B. The lifting drive device 17 includes a motor 30 on the upper part of the frame 29, and the motor 30
An elevating and lowering screw shaft 31 that is driven by is provided vertically, and the magazine elevating section 16 is screwed onto this elevating and lowering screw shaft 31. The magazine elevating section 16 moves up and down in accordance with the rotation of the elevating screw shaft 31 by the motor 30, and moves the magazine 6 supported on the magazine support stand 32 between a position facing the magazine supply area 4A and a position facing the magazine ejection area 4C. Move up and down. 3
Reference numeral 3 designates a guide rod provided on the frame 29 and inserted through the elevating portion 16 to guide the elevating portion 16. here,
The motor 30 of the lifting drive device 17 is constituted by a motor such as a pulse motor, a stepping motor, a DC servo motor, etc. whose rotation angle position can be set digitally, and transmits the rotation angle amount to the control device 100. Thereby, the control device 100 constantly digitally calculates the current position of the magazine elevating section 16 driven by the motor 30 of the elevating drive device 17, and adjusts the storage groove 6A of the magazine 6 supported by the elevating section 16. , are operated intermittently so as to sequentially position them on the guide rail 2 of the bonding device 1 from the lower stage side or the upper stage side.

Note that when the storage groove 6A of the magazine 6 supported by the elevating section 16 is positioned on the guide rail 2 of the pounding device 1, a lead frame dispensing arm (not shown) operates, and the lead frame inside the storage groove 6A is moved. Guide rail 2
supply to.

The magazine holding section 18 is fixed to the tip of a guide rod 34 that is supported by the magazine elevating section 16 and moves in the horizontal direction. The magazine holding section 18 includes a vacuum suction chuck 36 connected to a vacuum piping 35, and includes a magazine supplying section 12, a magazine discharging section 15, and a magazine lifting section 16.
The transferred Sarelmachine 6 is held by suction between the two. The magazine holding portion 18 is integrated with a bracket 37 provided at the rear end of the gaitrosit 34, and the bracket 37
is definitively provided with a nut 38.

Magazine transfer drive device! Reference numeral 19 denotes a bracket 40 integrated with the magazine elevating section 16 via a support rod 39.
It is located in That is, the magazine transfer drive device 1
Reference numeral 9 indicates a motor 41 supported by a bracket 40, and a toothed pulley 42 fixed to the output shaft of the motor 41. A feed screw shaft 43 is rotatably held by the elevating portion 16 and the bracket 4o in a state in which the nut 38 is screwed together, and a toothed pulley 44 is fixed to the end of the feed screw shaft 43. Toothed pulley 42.4
4, a sensor 47 that operates with a sensor cam 46 fixed to the output shaft of the motor 41 to detect the origin of rotation of the motor 41, and a magazine supply section 18.
and a sensor 49 that operates with a sensor dog 48 that moves together with the magazine holder 18 to detect a state in which the magazine holding section 18 is set at the return end. In other words, the magazine transfer drive device! i19 moves the magazine holder 18 through the screw engagement between the feed screw shaft 43 rotated by the drive of the motor 41 and the nut 38;
(2) move the magazine holding section 18 between the magazine ejection and placement section 15 and the magazine elevating section 16;

Here, the motor 41 of the magazine transfer drive device 19 is constituted by a motor such as a pulse motor, a stepping motor, a DC servo motor, etc. whose rotation angle position can be set digitally. The amount of rotation angle of the motor 41 and the detection results of the sensors 47 and 49 are transferred to the control device 100.

As a result, the control device M100 constantly digitally calculates the current position of the magazine holding section 18 driven by the motor 41 of the magazine transfer drive device 19, and positions it at the magazine delivery setting position 12A of the magazine supply mount efsrz. The magazine holder 18 is moved under drive control of the motor 41 so as to match the magazine 6 placed on the magazine 6 and hold the magazine 6 by suction. ! @ (Wl, W2, etc.), move the magazine 6 (the center position in the width direction) to the magazine work setting position 16A defined in the magazine lifting section 16.
The magazine holder 18 is moved under the drive control of the motor 41 so that , the magazine 6 (
(front end surface of The magazine holder 18 is moved under drive control of the motor 41 so as to be positioned at 5A.

Next, the operation of the above embodiment will be explained.

The exchange device 10 operates as follows.

■Magazine elevating section 16 driven by elevating drive device 17
When it faces the magazine supply area 4A, it is set at the needle position.

■The magazine holding section 18 driven by the magazine transfer drive device 19 attracts and holds the magazine 6 that has been positioned at the magazine delivery setting position 12A of the magazine supply storage section 12, and then moves the magazine 6 to the magazine elevating section 16. Position the magazine at the magazine work setting position 18A.

■ Lead frames are sequentially delivered from the storage grooves 6A of each stage of the magazine 6. At this time, the magazine elevating section 16 driven by the elevating drive device 17 stores the magazine 6 *1 of 6A.
Lower step by step.

When the lead frames are completely unloaded from all the storage grooves 6A of the magazine 6 in (2), the magazine elevating section 16 driven by the elevating drive device M17 is set to the lowered position facing the magazine ejection area 4C.

■The magazine holding section 18 driven by the magazine transfer drive device 19 positions the magazine 6, which had been positioned at the magazine work setting position 16A of the magazine elevating section 16, to the magazine delivery setting position 15A of the magazine ejecting and mounting section 15. Then, after releasing the adsorption, it returns to the return end.

The exchange 911 repeats the above operations ① to ②.

Note that the magazine 6 placed in the magazine supply storage section 12
If there is one magazine, an operator, robot, etc. places a new magazine 6 on the aX section 12 during the above operation. When a plurality of magazines 6 are placed in the storage section 12, during the above operation, the magazine supply section 13 driven by the magazine supply drive device 114 pushes the following magazines 6 to the magazine delivery setting position 12A. Position, I & Placement 1
2, this positioning operation is repeated until there are no more subsequent magazines 6.

The exchange device 11 provided on the unloading side of the filling device has substantially the same configuration as the exchange device 10 described above and performs the same operation.

However, compared to the exchange device 10, the exchange device 11 places an empty magazine 6 on the magazine supply placement section 12 located in the magazine supply area 5A, and transfers the lead frame after bonding to the magazine work area 5B. The only difference is that the lead frame is stored in the magazine 6 and the magazine 6 after storing the lead frame is placed in the magazine ejection storage section 15 located in the magazine ejection area 5C.

According to the above embodiment, the magazine 6 has the magazine holding portion 18
The magazine is transferred between the magazine supply/load section 12 or the magazine discharge/storage section 15 and the magazine lift/lower section 16 while being held in this state. Therefore, even if the magazine is narrow or tall, it will not fall over at the boundary abutment between the magazine 4 mounting section 12. and can be easily transferred.

Further, according to the above embodiment, the magazine holding section 18 is moved between the magazine delivery setting position 12A and the magazine working stage orientation ill.
Since the magazine transfer drive device 19 that moves between the magazine transfer drive device 19 and the magazine transfer drive device 19 is configured with position-setting means such as a pulse motor, the moving end of the magazine transfer drive device 19 can be adjusted according to changes in magazine size. This allows magazines of any size to be carried into the magazine elevating section 16 to be reliably and easily positioned at a desired magazine working stage orientation 716A.

Further, according to the embodiment described above, since the magazine supply drive device 14 that moves the magazine supply section 13 is configured with means such as a pulse motor whose position can be set, the moving end of the magazine supply drive device 14 is The number of magazines 6 placed on the magazine storage section 12 can be freely adjusted according to changes in magazine size, and magazines of all sizes can be reliably and easily positioned at the magazine delivery setting position 12A on the side of the magazine storage section 12. can.

Note that the exchange device of the present invention can also be applied to a device that transfers a magazine only between either one of the magazine supply and placement section or the magazine ejection and placement section and the magazine lifting section.

[Effects of the Invention] As described above, according to the first aspect of the present invention, magazines of various sizes can be reliably, stably and easily transferred between the magazine mounting section and the magazine elevating section, and the The magazine can be reliably and easily positioned at the magazine work setting position on the side of the magazine lifting/lowering section.

According to the second aspect of the present invention, magazines of various sizes can be reliably, stably and easily transferred between the magazine storage section and the magazine elevating section, and the magazines can be transferred between the magazine storage section and the magazine elevating section. It is possible to reliably and easily position the magazine at the magazine delivery setting position and the magazine work setting position on the side of the magazine lifting/lowering section.

[Brief explanation of the drawing]

FIG. 1 is a front view showing one embodiment of the present invention, and FIG. 2 is a front view showing one embodiment of the present invention.
FIG. 3 is a side view of FIG. 2, FIG. 4 is a partially cut-away front view of the magazine lifting section of FIG. 1, and FIG. The figure is a side view of FIG. 4, FIG. 6 is a plan view of FIG. 4, and FIG. 7 is a layout diagram schematically showing the pounding device. 6...Magazine, 10.11...Exchange device, 12...Magazine supply and loading section, 13...Magazine supply section, ■4...Magazine supply drive device, 15...Magazine ejection loading holder, 16...Magazine elevating part, 17... Elevating drive device, 18... Yagajin holding part, 19... Magazine transfer drive device. Agent Patent Attorney Osamu Shiokawa Figure 2 Figure 3 Figure 6 Figure 7

Claims (2)

[Claims] (1) A magazine exchange device comprising a magazine mounting section for placing a magazine, a magazine lifting section for supporting the magazine and moving up and down, and a lifting drive device for moving the magazine lifting section up and down. A magazine holding section is installed in the elevating section to hold the magazine, and a magazine holding section is installed in the magazine elevating section between the magazine transfer setting position on the magazine mounting section and the magazine work setting position on the magazine elevating section. A magazine exchange device comprising: a position-setting magazine transfer drive device that moves a holding section; (2) A magazine exchange device comprising a magazine mounting section for mounting a magazine, a magazine lifting section for supporting the magazine and moving up and down, and an elevation drive device for moving the magazine lifting section up and down. The magazine supply section is arranged in the section and supplies magazines, and the magazine supply section is arranged in the magazine mounting section and moves the magazine placed on the magazine mounting section so as to position it at the magazine delivery setting position. a position-adjustable magazine supply drive;
A magazine holding section that is arranged in the magazine lifting section and holds the magazine, and a magazine holding section that is arranged in the magazine lifting section and is located between the magazine transfer setting position on the magazine loading section side and the magazine work setting position on the magazine lifting section side. A magazine exchange device characterized by comprising a position-setting magazine transfer drive device that moves a magazine holding section.