JPH0936142A - Magazine carrier - Google Patents

Abstract

(57) [Summary] (Correction) [PROBLEMS] To provide a magazine transport device capable of easily supplying and removing a magazine. SOLUTION: An elevator 85 is arranged on the back side of upper and lower magazine loader conveyor means 10A, 10B and a magazine unloader stage 40, and the magazine 3 is supplied to the magazine loader conveyor means 10A, 10B from the front side of the apparatus. Also, the magazine 3 is taken out from the magazine unloader stage 40.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a magazine transport device for transporting a magazine from a magazine loader section to a lead frame storage position or a payout position and then to a magazine unloader section.

[0002]

2. Description of the Related Art As a conventional magazine conveying device, for example, JP-A-5-166851 and JP-A-7-53009.
As shown in Japanese Patent Publication, a magazine loader unit for supplying a magazine and a magazine unloader unit for receiving the magazine are configured in two stages, and a magazine is received from the magazine loader unit and moved up or down to move to a lead frame storage position or a payout position. It is known to have an elevator that is moved up and down so as to place the magazine in which the lead frame is stored or paid out on the magazine unloader section.

[0003]

In the above prior art, since the elevator is arranged on the front side of the magazine loader section and the magazine unloader section, the magazine supply to the magazine loader section and the magazine removal from the magazine unloader section are as follows. This must be done at the back (rear side) of the device. Therefore, there is a problem that the workability of supplying and taking out the magazine is poor.

An object of the present invention is to provide a magazine transporting device which can easily supply and remove magazines.

[0005]

To achieve the above object, the structure of the present invention comprises a magazine loader section for supplying a magazine and a magazine unloader section for receiving the magazine, which are arranged in two upper and lower stages. In a magazine transfer device including an elevator that moves up and down to receive or move the lead frame to a lead frame storage position or a payout position, and vertically move the magazine storing or paying out the lead frame to be mounted on the magazine unloader unit, The elevators are arranged on the back side of the magazine loader section and the magazine unloader section in two upper and lower stages, and are configured to supply the magazine to the magazine loader section from the front side of the apparatus and take out the magazine from the magazine unloader section. Is characterized by.

[0006]

The magazine is supplied to the magazine loader section from the front side (front side) of the apparatus, and the magazine is transferred to the elevator on the back side. The elevator is moved up or down to the lead frame storage position or the delivery position, and the lead frame is stored in or ejected from the magazine. When the magazine is full or empty, it is transferred from the elevator to the magazine unloader section. The magazines placed on the magazine unloader section are sequentially moved from the back side to the front side of the apparatus.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. This device is used by being arranged in front of or behind a frame guide 2 for guiding the lead frame 1 shown in FIG. Further, in the present embodiment, in FIG. 1, the left side is the front side of the apparatus (operator's operation side) and the right side is the back side of the apparatus. The case where it is applied to the unloader side is shown. Hereinafter, the direction in which the frame guide 2 extends (the transport direction of the lead frame 1) is referred to as the X direction, the direction perpendicular to the X direction when viewed from the plane is referred to as the Y direction, and the vertical direction is referred to as the Z direction. As shown in FIGS. 2 to 6, in the Y direction below the frame guide 2 from the front side of the apparatus, two magazine loader conveyor means 10A, 10B having substantially the same structure for conveying an empty magazine 3 are arranged. It is set up.

Next, magazine loader conveyor means 10
The structures of A and 10B will be described. As shown in FIGS. 1 and 3 to 6, a sub-base plate 6 is fixed on the base plate 4 via a support column 5, and a magazine loader conveyor means 10A is provided on the sub-base plate 6 on the front side of the apparatus. The conveyor support plates 11A and 11B of 10B are being fixed. FIG.
As shown in FIG. 6, the conveyor support plate 11A is fixed to the sub base plate 6 by the bolts 12 and the conveyor support plate 11B is fixed to the sub base plate 6 by the bolts 13 so that the position can be changed in the X direction. It is fixed. That is, the sub base plate 6 has a screw hole 6 into which the bolt 13 is screwed in the X direction.
a and 6b are formed so that the conveyor support plate 11B, that is, the magazine loader conveyor means 10B can be changed to three positions. Conveyor support plates 11A, 11B
The drive shaft 14 having a spline shaft portion 14a penetrates through and is arranged in the X direction. Both ends of the drive shaft 14 are fixed on the bearing holder 15 and the sub base plate 6 fixed to the conveyor support plate 11A. The bearing holder 16 is rotatably supported.

A drive pulley 17A is fixed to the end of the drive shaft 14 on the conveyor support plate 11A side. Drive shaft 1
A spline holder 18 is slidably mounted on the spline shaft portion 14a of No. 4 along the axis of the drive shaft 14 and rotatable with the drive shaft 14, and a drive pulley 17B is fixed to the spline holder 18. ing. The spline holder 18 and the drive pulley 17B are movable along with the conveyor support plate 11B along the axis of the spline shaft portion 14a.
Holders 19 that regulate the positions of both sides of the drive pulley 17B are fixed to the conveyor support plate 11B. Drive shaft 1
A pulley 20 is fixed to 4. A conveyor motor 21 is fixed on the sub base plate 6, and a pulley 22 fixed to the output shaft of the conveyor motor 21 and a drive belt 23 are hung on the pulley 20.

Belt guide plates 25 extending from the front side of the apparatus to the lower side of the frame guide 2 in the Y direction are fixed to the upper ends of the conveyor support plates 11A and 11B, respectively. A guide plate 26 is provided. Both ends of the belt guide plates 25 and 26 are fixed to both ends of roller shafts 27 and 28, respectively, and rollers 29 and 30 are rotatably supported by the roller shafts 27 and 28. The rollers 29 and 30 are the drive pulley 17A. , 17
It is located above B. Conveyor support plates 11A, 11
B above the drive pulleys 17A and 17B, respectively.
Guide pulleys 31 and 32 are rotatably supported on both side portions in the direction, and the rollers 29 and 30 and the guide pulley 3 are supported.
Conveyor belts 33A and 33B are endlessly hung on the Nos. 1 and 32 and the drive pulleys 17A and 17B. Further, the transport belts 33A and 33B between the rollers 29 and 30
A belt support plate 34 is fixed to the belt guide plates 25 and 26 in order to prevent the upper part of the belt from hanging down.

As shown in FIGS. 1 to 3, magazine loader conveyor means 10A, 10 configured as described above.
Above B and above the frame guide 2, the upper magazine unloader stage 40 is located at a position higher than the height of the magazine 3 from the upper surfaces of the conveyor belts 33A and 33B.
The magazine unloader stage 40 is fixed to the sub-base plate 6 via support plates 41 and 42. That is, conveyor means 10A for magazine loader, 1
The 0B and the magazine unloader stage 40 have an upper and lower two-stage structure. As shown in FIGS. 4 and 6, the support plate 41 on the magazine loader conveyor means 10A side is
A fixed guide 43 for guiding the magazine 3 conveyed by the magazine loader conveyor means 10A, 10B is fixed,
As shown in FIGS. 2 and 6, a fixed guide 44 is provided above the fixed guide 43 also on the magazine unloader stage 40.
Has been fixed. A stopper plate 45 is fixed to the magazine unloader stage 40 on the front side of the apparatus.

As shown in FIGS. 1 to 4 and 6, a magazine width adjusting guide means 50 is provided on the support plate 42 on the bearing holder 16 side. Next, the structure of the magazine width adjusting guide means 50 will be described. Shaft holders 51 and 52 are fixed to the upper portions of the two support plates 42, and a spindle 53 extending in the Y direction is rotatably inserted into the shaft holders 51 and 52. A groove 51a is formed in the insertion portion of the support shaft 53 of the one shaft holder 51, and a fixing screw 54 is screwed into the shaft holder 51 so as to tighten and open the groove 51a portion. Support shaft 5
A swing lever 55 extending downward is fixed to 3. A guide rod 56 extending in the Y direction is fixed to the lower portion of the swing lever 55.

As shown in FIGS. 1, 2 and 4, a magazine posture correcting means 60 is provided on the lower surface of the magazine unloader stage 40 on the frame guide 2 side. The magazine posture correcting means 60 includes an air cylinder 61 fixed to the lower surface of the magazine unloader stage 40.
And a pressing portion 62 fixed to the operating rod of the air cylinder 61. As shown in FIG. 1, a magazine fall prevention shutter 65 is arranged above the magazine unloader stage 40 on the frame guide 2 side. The magazine falling prevention shutter 65 is composed of an electromagnetic solenoid 66 fixed to a fixed portion of the apparatus, and a shutter plate 67 fixed to a movable portion of the electromagnetic solenoid 66 and extending downward.

As shown in FIG. 1, an elevator 85, which will be described later, and an elevator 85, which will be described later, are provided on the back side of the magazine loader conveyor means 10A, 10B and the magazine unloader stage 40.
Horizontal drive means 70 for driving the A and 10B and magazine unloader stage 40 to move back and forth is provided.
The horizontal drive means 70 and the elevator 85 have substantially the same structure as the conventional one.

First, the structure of the horizontal driving means 70 will be described. An elevator stage 72 is fixed on the base plate 4 via a support plate 71, and a guide rail 73 is fixed on the elevator stage 72 in the Y direction. A guide 74 is slidably provided on the guide rail 73, and a horizontal moving plate 75 is fixed on the guide 74. A male screw 76 is disposed in the Y direction below the elevator stage 72, and both ends of the male screw 76 are rotatably supported by bearing holders 77 fixed to the lower surface of the elevator stage 72. A female screw 78 is screwed onto the male screw 76, and the female screw 78 is fixed to the horizontal moving plate 75 via a support block 79. Therefore, in the elevator stage 72, a long hole (not shown) extending in the Y direction through which the support block 79 is inserted.
Are formed. An output shaft of a forward / backward motor 81 is fixed to one end of the male screw 76 via a coupling 80, and the forward / backward motor 81 is fixed to the elevator stage 72.

Next, the structure of the elevator 85 will be described. A bearing holder 86 fixed to the elevator stage 72 has a lower end of a male screw 87 arranged in the Z direction (vertical) rotatably supported on the upper surface of a horizontal moving plate 75,
The upper end of the male screw 87 is rotatably supported by a bearing holder 89 fixed to the support plate 88. Further, both ends of a guide rod 90 arranged in the Z direction are fixed to the elevator stage 72 and the support plate 88. A female screw 91 is screwed onto the male screw 87, and the guide rod 90 is fitted to the female screw 91.
An elevating member 92, which is vertically slidably fitted in, is fixed. A positioning plate 93 with which the side surface of the magazine 3 abuts is fixed to the elevating member 92, and a magazine holder 94 on which the magazine 3 is placed is fixed to the lower end of the positioning plate 93. A timing pulley 9 is attached to the lower end of the male screw 87.
5 is fixed, and a lifting motor 96 is fixed to the horizontal moving plate 75. Then, the lifting motor 96
A timing belt 98 is wound around the timing pulley 97 and the timing pulley 95 fixed to the output shaft of the.

Chucking means 1 for chucking the magazine 3 on the elevator 85 has a structure similar to the conventional one.
15 are provided. The chuck means 115 has a cylinder 116 fixed vertically to the elevating member 92, and a support plate 117 is fixed to the operating rod of the cylinder 116. A chuck plate 118 is fixed to the support plate 117 corresponding to the magazine holder 94.

Next, the operation will be described. If the longitudinal width of the magazine 3 is changed due to the product type change,
The conveyor means 10B for magazine loader and the guide means 50 for magazine width adjustment are adjusted so as to fit the magazine 3. First, adjustment of the magazine loader conveyor means 10B will be described. 4 to 6 show the case of fitting the magazine 3 having the smallest length. When the width of the magazine 3 in the longitudinal direction becomes longer due to the type change, and the conveyance of the magazine 3 is unstable in the state of FIGS. 4 to 6, the bolt 13 is loosened and removed, and the support plate 42 is attached to the drive shaft 14. Move along. The spline holder 18 is held by the holder 19 and is movable along the spline shaft portion 14a of the drive shaft 14 in the axial direction.
Moving along, the spline holder 18 moves with it. Then, the support plate 42 is set to a position where it can be fixed to the screw hole 6a or 6b. 2 and 3 show the state of being positioned in the screw hole 6a. After the support plate 42 is moved to a position that can be fitted to the magazine 3 in this manner, the support plate 42 is fixed to the sub base plate 6 with the bolt 13.

Next, the adjustment of the magazine width adjusting guide means 50 will be described. The magazine 3 is placed on the conveyor belts 33A, 33B of the magazine loader conveyer means 10A, 10B with the length direction of the magazine 3 in the X direction, and one side of the magazine 3 in the longitudinal direction is brought into contact with the fixed guide 43. Do it in the open state. When the fixing screw 54 is loosened, the support shaft 53 becomes rotatable with respect to the shaft holders 51 and 52. That is, the guide rod 56 can rotate (swing) about the support shaft 53. Therefore, the guide rod 56 is lightly brought into contact with the other side of the magazine 3 and the fixing screw 54 is tightened. As a result, the support shaft 53 is fixed to the shaft holder 51 and does not rotate. That is, the distance between the fixed guide 43 and the guide rod 56 is set to the magazine 3
Can be adjusted to the width in the longitudinal direction.

Next, the transportation of the magazine 3 will be described.
Before starting, the elevator 85 is in the state of being lowered and positioned on the magazine loader conveyor means 10A, 10B side,
The leading end of the magazine holder 94 is brought close to the right ends of the magazine loader conveyor means 10A, 10B, and the upper surface of the magazine holder 94 is positioned slightly below the upper surfaces of the transport belts 33A, 33B. In this state, an empty magazine 3 is placed on the front side of the magazine loader conveyor means 10A, 10B. Then, when the start button is pressed, the conveyor motor 21 rotates and the pulley 22 rotates in the direction of arrow B, and the drive shaft 1 passes through the drive belt 23 and the pulley 20.
4 rotates in the same direction (arrow B direction). As a result, the drive pulleys 17A and 17B also rotate in the arrow B direction, the conveyor belts 33A and 33B move in the arrow C direction, and the magazine 3 placed on the conveyor belts 33A and 33B adjusts the fixed guide 43 and the magazine width. Bar 5 of the guide means 50 for
6 is guided in the direction of arrow C, and the elevator 8
5 to the positioning plate 93.

Next, the cylinder 116 of the chuck means 115.
And the chuck plate 118 descends to chuck the magazine 3. However, as described above, the magazine holder 9
Since the upper surface of 4 is positioned slightly below the upper surfaces of the transport belts 33A and 33B, the magazine 3 cannot be reliably chucked in this state. Then, the lifting motor 96 rotates and the elevator 85 moves up. That is, the rotation of the lifting motor 96 is transmitted to the male screw 87 via the timing pulley 97, the timing belt 98, and the timing pulley 95. As a result, the female screw 91, the elevating member 92, and the magazine holder 94 are raised. When the magazine holder 94 rises slightly, the chuck plate 118 can press the magazine 3 against the magazine holder 94 and securely chuck it.

When the elevator 85 rises slightly, the horizontal drive means 70 is activated. That is, the forward / backward motor 81
Is rotated, and the rotation of the forward / backward motor 81 is transmitted to the male screw 76. Since the female screw 78 is fixed to the horizontal moving plate 75 via the support block 79, the horizontal moving plate 75 moves in the direction of arrow D, and the positioning plate 93 of the elevator 85 is moved.
Is away from the magazine loader conveyor means 10A, 10B. As described above, the elevator 85 rises and the horizontal moving plate 75 is moved in the direction of the arrow D,
The uppermost lead frame storage portion of the magazine 3 held by the above is opposed to the lead frame storage position 120.

When the elevator 85 receives the magazine 3 from the magazine loader conveyor means 10A, 10B and chucks it by the chuck means 115 as described above, the magazine 3 is positioned by the positioning plate 93 of the elevator 85.
It may be chucked in a floating state or in an inclined state without being in intimate contact with. If the lead frame 1 sent from the frame guide 2 is not chucked in the correct posture as described above, a problem occurs that the lead frame 1 is not reliably stored in the storage portion of the magazine 3.

In the present embodiment, after the elevator 85 chucking the magazine 3 is raised as described above, the cylinder 116 of the chuck means 115 is operated and the chuck plate 118 is raised to release the magazine 3 once. Then, the air cylinder 61 of the magazine posture correcting means 60 is operated to press the magazine 3 against the positioning plate 93 by the pressing portion 62 to correct the posture. While the magazine 3 is pressed by the pressing portion 62, the cylinder 116 operates in the opposite direction to the above and the chuck plate 118 presses the magazine 3 against the magazine holder 94 for chucking. After that, the air cylinder 61 operates in the opposite direction to the pressing portion 62 so that the magazine 3
More away. As a result, the magazine 3 is held in the correct position and in the correct posture, and the uppermost lead frame storage portion of the magazine 3 raises the elevator 85 to the lead frame storage position 120 again.

Next, a pusher (not shown) is actuated, and the lead frame 1 sent from above the frame guide 2 is stored in the uppermost lead frame storage portion of the magazine 3.
When the lead frame 1 is stored in the uppermost stage of the magazine 3, the elevating motor 96 rotates and the elevator 85 moves so that the second leadframe storage portion from the uppermost stage of the magazine 3 faces the leadframe storage position 120. Can be raised. Then, when the lead frame 1 is sent from the frame guide 2, it is housed in the second lead frame housing section. Thereafter, this operation is repeatedly performed.

When all the lead frames 1 are housed in the magazine 3, the lifting motor 96 rotates and the elevator 8 moves.
5, the forward / backward motor 81 rotates in the opposite direction to the above, the magazine holder 94 of the elevator 85 is inserted into the groove 40a of the magazine unloader stage 40, and the magazine holder 94 is moved to the magazine unloader stage 40. Located slightly above. Next, the cylinder 116 of the chuck means 115 is operated to operate the chuck plate 118.
Rises to release the chuck of magazine 3. Subsequently, the lifting motor 96 is rotated so that the elevator 85 descends. As a result, the magazine 3 placed on the magazine holder 94 is moved to the magazine unloader stage 4
0. Subsequently, the elevator 85 descends and is moved to the original position for receiving the magazine 3 on the magazine loader conveyor means 10A, 10B.

By the way, as described above, the elevator 85
When the magazine 3 is placed on the magazine unloader stage 40 and the elevator 85 descends, the magazine 3 is placed on the end of the magazine unloader stage 40, so that the magazine 3 is completely placed on the magazine unloader stage 40. If the magazine 3 is not placed, or if the magazine 3 is displaced due to vibration or the like and a part of the magazine 3 is displaced from the end of the stage 40 for the magazine unloader and becomes unstable, the magazine 3 falls to the elevator 85 side. There is a risk of dropping from the magazine unloader stage 40.

In this embodiment, the magazine holder 94
Is positioned slightly above the magazine unloader stage 40, the electromagnetic solenoid 66 of the magazine fall prevention shutter 65 is activated, and the shutter plate 67 causes the magazine 3 to move.
It is located on the rear side of. Therefore, even if the chuck of the magazine 3 is opened and the elevator 85 descends, the magazine 3 does not drop from the magazine unloader stage 40. Shutter plate 6 of the magazine fall prevention shutter 65
Just before the next magazine 3 is placed on the magazine unloader stage 40, the electromagnetic solenoid 66 operates in the reverse direction to move backward.

Thereafter, the above operation is repeated. By the way, the magazine 3 placed on the magazine unloader stage 40 is chucked by the elevator 85 by the following operation, and the magazine unloader stage 40 is moved to transfer the full magazine 3 onto the magazine unloader stage 40. When moving in the direction, this elevator 85
It is pushed in the direction of the stopper plate 45 by the magazine 3 chucked at.

The above embodiment describes a case where an empty magazine 3 is set on the magazine loader conveyor means 10A, 10B and the lead frame 1 sent along the frame guide 2 is stored in the magazine 3. However, the magazine 3 accommodating the lead frame 1 is set on the conveyor means 10A, 10B for magazine loader,
It is also applicable to the frame loader side in which the lead frame storage position 120 is the lead frame payout position, the lead frame 1 is paid out on the frame guide 2, and the empty magazine 3 is placed on the magazine unloader stage 40. In addition, the above embodiment is based on the conveyor means 10 for magazine loader.
A, 10B downward, magazine unloader stage 40
The upper part is the upper part, but conversely, the conveyor means 1 for magazine loader
0A, 10B upward, stage 4 for magazine unloader
The lead frame 1 may be housed or paid out when the elevator 85 descends with 0 as the downward direction. In the above embodiment, the case where the magazine loader unit is the magazine loader conveyor means 10A and 10B has been described.
As in the conventional case, the loader stage of the magazine and the pusher means for pushing the rear side of the magazine mounted on the loader stage may be used. Further, although the above-described embodiment has been described as applied to the lead frame 1, it may be applied to a thin plate such as a wafer printed board.

As described above, since the elevator 85 is arranged on the back side of the conveyor means 10A, 10B (magazine loader section) and the magazine unloader stage 40 (magazine unloader section), the magazine loader section is arranged from the front side of the apparatus. The magazine 3 can be supplied to and taken out of the magazine unloader section, and the magazine can be easily supplied and taken out.

[0032]

According to the present invention, the elevators are arranged at the back of the magazine loader section and the magazine unloader section of the upper and lower two stages, and the magazine is supplied to the magazine loader section from the front side of the apparatus and the magazine unloader section is supplied. Since the magazine is taken out, the magazine can be easily supplied and taken out.

[Brief description of drawings]

FIG. 1 is a side view showing an embodiment of a magazine carrying device of the present invention.

FIG. 2 is a plan view of the elevator shown in FIG. 1 excluding the elevator portion.

FIG. 3 is a left side view (front view of the apparatus) of FIG.

FIG. 4 is an enlarged plan view of a line AA line in FIG.

5 is a cross-sectional plan view of a front side portion of the apparatus of FIG.

6 is a partially enlarged cross-sectional view of FIG.

[Explanation of symbols]

 1 Lead Frame 3 Magazine 10A, 10B Conveyor Means for Magazine Loader 33A, 33B Conveyor Belt 40 Stage for Magazine Unloader 43 Fixed Guide 50 Magazine Width Adjustment Guide Means 53 Spindle 54 Fixing Screw 55 Swing Lever 56 Guide Rod 60 Magazine Attitude Correcting Means 65 Magazine Tipping Prevention Shutter 70 Horizontal Drive Means 85 Elevator 93 Positioning Plate 115 Chuck Means 120 Lead Frame Storage Position or Discharge Position

Claims (1)

[Claims] 1. A magazine loader unit for supplying a magazine and a magazine unloader unit for receiving the magazine are configured in two stages, and the magazine is received from the magazine loader unit and moved up or down to be positioned at a lead frame storage position or a payout position. In the magazine transport device including an elevator that moves up and down so that the magazine storing or paying out the lead frame is placed on the magazine unloader unit,
The elevators are arranged on the back side of the magazine loader section and the magazine unloader section in two upper and lower stages, and are configured to supply the magazine to the magazine loader section from the front side of the apparatus and take out the magazine from the magazine unloader section. Magazine transport device characterized by.