KR100195804B1 - Magazine transfer device - Google Patents

Abstract

The elevator 85 is disposed inside the upper and lower two-stage magazine loader conveyor means 10A, 10B and the magazine underpass stage 40, and from the front of the apparatus to the magazine loader conveyor means 10A, 10B. The magazine 3 is supplied and the magazine 3 is taken out from the stage 40 for the magazine unloader.

Description

Magazine conveying device

1 is a side view showing an embodiment of the magazine conveying apparatus of the present invention.

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

3 is a left side (front of the device) of FIG. 2;

4 is an enlarged plan view of the line A-A seen from the arrow of FIG.

FIG. 5 is a cross sectional plan view of the portion immediately preceding the apparatus of FIG.

6 is an enlarged partial cross-sectional view of FIG.

* Explanation of symbols for main parts of the drawings

1: Leadframe 3: Magazine

10A, 10B: Conveyor Means for Magazine Loader

33A, 33B: conveying belt 40: magazine unloader stage

43: fixed guide 50: guide means for magazine width adjustment

53: support shaft 54: fixing screw

55: swing lever 56: guide rod

60: magazine posture correction means 65: magazine fall prevention shutter

70: horizontal drive means 85: elevator

93: positioning plate 115: chuck means

120: lead frame receiving position or dispensing position

[Industrial use]

The present invention relates to a magazine conveying apparatus for conveying a magazine from a magazine loader portion to a lead frame receiving position or dispensing position and then conveying the magazine to a magazine unloader portion.

[Prior art]

As a conventional magazine conveying apparatus, as disclosed in, for example, Japanese Unexamined Patent Application Publication Nos. 5-166851 and 7-53009, a magazine loader part for supplying a magazine and a magazine unloader part for receiving a magazine are provided. And an elevator moving up and down to receive or lift the magazine from the magazine loader and to the lead frame receiving position or discharging position, and to place the lead frame storing or dispensing magazine on the magazine unloader. What is equipped is known.

[Problems that the invention tries to solve]

In the above prior art, since the elevator is disposed directly in front of the magazine loader and the magazine unloader section, the magazine supply to the magazine loader section and the magazine ejection from the magazine unloader section must be performed on the inner side (rear side) of the apparatus. For this reason, there existed a problem that the workability of supply and take out of a magazine was bad.

An object of the present invention is to provide a magazine conveying apparatus which can easily supply and take out a magazine.

[Means for solving the problem]

The configuration of the present invention for achieving the above means comprises a magazine loader part for supplying a magazine and a magazine unloader part for receiving the magazine in two stages above and below, receiving the magazine from the magazine loader part, and raising or lowering the lead frame to receive the lead frame. A magazine conveying apparatus having an elevator which is located at a position or a dispensing position and which has a lead frame for storing or dispensing a magazine on a magazine underfloor. It is arrange | positioned in the inside of a magazine underload part, and it is comprised so that a magazine may be supplied to the magazine loader part from the immediately front side of an apparatus, and a magazine may be taken out from the magazine unloader part.

[Action]

The magazine is supplied from the front side (front side) of the apparatus to the magazine loader part, and the magazine is moved to the elevator from the inner side.

The elevator is raised or lowered to be located at the lead frame receiving position or dispensing position, and the lead frame is dispensed from the magazine or the lead frame to the magazine. When the magazine is full or empty, it is moved from the elevator to the magazine unloader. Magazines placed on the magazine unloader are sequentially moved from the inside to the front of the device.

EXAMPLE

Hereinafter, one embodiment of the present invention will be described with reference to FIGS.

This apparatus is used by arranging the front or the rear of the frame guide 2 for guiding the lead frame 1 shown in FIG. In addition, in this embodiment, in FIG. 1, the left side is directly in front of the apparatus (operation side of the operator), and the right side is the inner side of the apparatus, and the lead frame 1 on the frame guide 2 is magazine 3. It shows the case where it is applied to the frame unloader side to be stored at

In the following, the direction in which the frame guide 2 extends (the conveying direction of the lead frame 1) is viewed in the X direction and the plane perpendicular to the X direction is referred to as the Y direction and the vertical direction as the Z direction.

As shown in Figs. 2 to 6, two magazine loader conveyor means 10A having substantially the same structure for conveying empty magazines 3 in the Y-direction below the frame guide 2 from immediately before the apparatus. 10B) is arranged.

Next, the structures of the magazine loader conveyor means 10A and 10B will be described.

As shown in FIG. 1, FIG. 3 to FIG. 6, on the base plate 4, the sub base plate 6 is fixed through the support column 5, and in front of the apparatus on the sub base plate 6 On the side, the conveyor support plates 11A, 11B of the magazine loader conveyor means 10A, 10B are fixed.

As shown in Figs. 4 to 6, the conveyor support plate 11A is fixed to the bolt 12 so as to be positioned on the subbase plate 6, and the conveyor support plate 18 is variable in position in the X direction. The bolt 13 is fixed to the subbase plate 6 as much as possible.

That is, the subbase plate 6 is formed with screw holes 6a and 6b in which the bolt 13 is screwed in the X direction, and the conveyor support plate 11B, that is, the magazine loader conveyor means 10B, has three positions. It is supposed to be changed. A drive shaft 14 having a spline shaft portion 14a penetrates and is arranged in the X direction on the conveyor support plates 11A and 11B, and both ends of the drive shaft 14 are bearing holders 15 fixed to the conveyor support plate 11A, and Rotation is freely supported by the bearing holder 16 fixed on the subbase plate 6.

17 A of drive pulleys are being fixed to the edge part of the drive shaft 14 by 11 A of conveyor support plates. The spline shaft portion 14a of the drive shaft 14 is slidable along the axis of the drive shaft 14, and the spline holder 18 is inserted into the spline holder 18 so as to be rotatable with the drive shaft 14, and the spline holder 18 is driven. The pulley 17B is fixed.

The spline holder 18 and the drive pulley 17B are movable along the axis of the spline shaft portion 14a together with the conveyor support plate 11B, and the holder for positioning both sides of the drive pulley 17B on the conveyor support plate 11B. (19) is fixed.

In addition, the poly 20 is fixed to the drive shaft 14.

A conveyor motor 21 is fixed on the subbase plate 6, and a drive belt 23 is hung on the pulley 22 and the pulley 20 fixed to the output shaft of the conveyor motor 21. .

Belt guide plates 25 extending from the front side of the apparatus in the Y direction to the lower side of the frame guide 2 are respectively fixed to the upper ends of the conveyor support plates 11A and 11B, and the belt guides face the belt guide plates 25. The plate 26 is arrange | positioned. Both ends of the roller shafts 27 and 28 are fixed to both ends of the belt guide plates 25 and 26, and the rollers 29 and 30 are rotatably supported on the roller shafts 27 and 28, and the rollers 29, 30 is located above the drive pulleys 17A and 17B. The guide pulleys 31 and 32 are rotatably supported on the conveyor support plates 11A and 11B from the upper sides of the driving pulleys 17A and 17B, respectively, in the Y direction, and the rollers 29 and 30 and the guide pulleys ( The conveyance belts 33A and 33B are hung in an endless shape on the 31 and 32 and the drive pulleys 17A and 17B. Moreover, in order to prevent the upper part of the conveyance belts 33A and 33B between rollers 29 and 30 from hitting below, the belt support plates 34 are fixed to the belt guide plates 25 and 26.

As shown in Figs. 1 to 3, the upper surface of the conveying belts 33A and 33B above the frame guide 2 and above the magazine loader conveyor means 10A and 10B configured as described above. The magazine unloader stage 40 at the top is arranged at a position higher than the height of the magazine 3 from the magazine loader stage 40, and the magazine loader stage 40 is connected to the subbase plate 6 through the support plates 41 and 42. It is fixed. That is, the magazine loader conveyor means 10A, 10B and the magazine unloader stage 40 have a two-stage top and bottom structure.

As shown in Figs. 4 and 6, the support plate 41 on the side of the magazine loader conveyor means 10A is fixed to guide the magazine 3 to be conveyed to the magazine loader conveyor means 10A and 10B. The guide 43 is fixed, and as shown in FIGS. 2 and 6, the fixing guide 44 is fixed on the magazine unloader stage 40 above the fixing guide 43. In addition, the stopper plate 45 is fixed immediately in front of the apparatus on the magazine unloader stage 40.

As shown in FIGS. 1 to 4 and 6, a magazine width adjustment guide means 50 is provided on the support plate 42 on the bearing holder 16 side.

Next, the structure of the magazine side adjustment guide means 50 is demonstrated.

The shaft holders 51 and 52 are respectively fixed to the upper part of the two support plates 42, and the support shaft 53 extended in the Y direction is rotatably inserted in the shaft holders 51 and 52, respectively.

A groove 51a is formed in the insertion portion of the support shaft 53 of the shaft holder 51. A fixing screw 54 is provided in the shaft holder 51 so as to tighten and open the groove 51a portion. Screwed in. A swing lever 55 extending downward is fixed to the support shaft 53. A guide rod 56 extending in the Y direction is fixed to the lower portion of the swing lever 55.

As shown in FIG. 1, FIG. 2, and FIG. 4, the magazine attitude | position correction means 60 is provided in the lower surface of the side of the frame guide 2 of the said magazine unloader stage 40. As shown in FIG.

The magazine attitude correction means 60 is comprised of the air cylinder 61 fixed to the lower surface of the magazine unloader stage 40, and the press part 62 fixed to the operating rod of the air cylinder 61. As shown in FIG.

As shown in FIG. 1, a magazine fall prevention shutter 65 is arranged above the frame guide 2 side of the magazine unloader stage 40. As shown in FIG.

The magazine fall prevention shutter 65 consists of the electromagnetic solenoid 66 fixed to the fixed part of the apparatus, and the shutter plate 67 fixed to the movable part of this electromagnetic solenoid 66 and extended downward.

As shown in FIG. 1, the inside of the said magazine loader conveyor means 10A, 10B and the magazine unloader stage 40 is an elevator 85 and the conveyor loader for magazine loaders which are described later. 10A and 10B and horizontal drive means 70 for advancing and driving to the side of the magazine unloader stage 40 are arranged.

The horizontal driving means 70 and the elevator 85 have a structure substantially the same as in the prior art.

First, the structure of the horizontal drive means 70 will be described.

The elevator stage 72 is fixed on the base board 4 via the support plate 71, and the guide rail 73 is fixed to the Y direction on the elevator stage 72. As shown in FIG.

The guide 74 slides freely in the guide rail 73, and the horizontal movable plate 75 is fixed on the guide 74. As shown in FIG. The male screw 76 is arranged in the Y direction below the elevator stage 72, and both ends of the male screw 76 are rotatably supported by a bearing holder 77 fixed to the lower surface of the elevator stage 72. have.

A female screw 78 is screwed into the male screw 76, and the female screw 78 is fixed to the horizontal moving plate 75 through the support block 79. Therefore, the elevator stage 72 is formed with a long hole (not shown) extending in the Y direction through which the support block 79 is fitted. The output shaft of the forward retraction motor 81 is fixed to one end of the male screw 76 via the coupling 80, and the forward retraction motor 81 is fixed to the elevator stage 72.

Next, the structure of the elevator 85 is demonstrated. In the bearing holder 86 fixed to the elevator stage 72, the lower end of the male screw 87 arranged in the Z direction (vertical) is freely supported on the upper surface of the horizontal movable plate 75, and the male screw 87 The upper end is rotatably supported by the bearing holder 89 fixed to the support plate 88.

Both ends of the guide rods 90 arranged in the Z direction are fixed to the elevator stage 72 and the support plate 88. A female screw 91 is screwed into the male screw 87, and a lifting member 92 fitted to the guide rod 90 so as to be slidable up and down is fixed to the female screw 91. A positioning plate 93 on 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 95 is fixed to the lower end of the male screw 87, and a lifting motor 96 is fixed to the horizontal movable plate 75. The timing belt 98 is fastened to the timing pulley 97 and the timing pulley 95 fixed to the output shaft of the lifting motor 96.

The elevator 85 is provided with a chuck means 115 having a structure substantially the same as that of a conventional chuck of the magazine 3.

The chuck means 115 has a cylinder 116 fixed perpendicularly to the elevating member 92, and a support plate 117 is fixed to an operating rod of the cylinder 116.

The chuck plate 118 is fixed to the support plate 117 in correspondence with the magazine holder 94.

Next, the operation will be described.

When the longitudinal width of the magazine 3 is changed by the variety change, the magazine loader conveyor means 10B and the magazine width adjustment guide means 50 are adjusted to fit the magazine 3. First, adjustment of the magazine loader conveyor means 10B is demonstrated. 4 to 6 show a case suitable for the magazine 3 of the smallest length. The longitudinal width of the magazine 3 becomes longer due to the variety change, and when the conveyance of the magazine 3 is unstable in the state of FIGS. 4 to 6, the bolt 13 is removed and peeled off, and the support plate 42 is driven. Move along (14). 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. Therefore, when the support plate 42 moves along the drive shaft 14, the spline holder ( 18) move together. And the support plate 42 is set in the position which can fix to the screw hole 6a or 6b. 2 and 3 show a state where the screw hole 6a is positioned.

In this way, the support plate 42 is moved to a position that may be suitable for the magazine 3, and then the support plate 42 is fixed to the subbase plate 6 with the bolt 13.

Next, adjustment of the magazine amplitude adjustment guide means 50 is demonstrated.

The magazine 3 is placed on the conveyance belts 33A and 33B of the conveyor means 10A and 10B with the longitudinal direction of the magazine 3 in the X direction, and one side of the magazine 3 in the longitudinal direction is fixed. It performs in the state which contacted (43).

When the fixing screw 54 is loosened, the support shaft 53 is rotatable with respect to the shaft holders 51 and 52. That is, the guide rod 56 is able to rotate (swing) around the support shaft 53.

Thus, the guide rod 56 is brought into light contact with the other side of the magazine 3 to tighten the fixing screw 54. As a result, the support shaft 53 is fixed to the shaft holder 51 to become a rotational float. That is, the interval between the fixing guide 43 and the guide rod 56 can be aligned with the longitudinal direction of the magazine (3).

Next, the conveyance of the magazine 3 is demonstrated.

Before starting, the elevator 85 is located on the lower and magazine loader conveyor means 10A, 10B, and the front end of the magazine holder 94 approaches the right end of the magazine loader conveyor means 10A, 10B. In addition, the upper surface of the magazine holder 94 is located slightly below the upper surfaces of the conveyance belts 33A and 33B. In this state, the empty magazine 3 is put in front of the conveyor means 10A, 10B for magazine loaders. Therefore, when the start button is pressed, the conveyor motor 21 rotates so that the pulley 22 rotates in the direction of the arrow B, and the drive shaft 14 moves in the same direction through the drive belt 23 and the pulley 20. Rotate in the direction of arrow (B)).

Due to this, the driving pulleys 17A and 17B also rotate in the direction of the arrow B, the conveying belts 33A and 33B move in the direction of the arrow C, and are placed on the conveying belts 33A and 33B. The magazine 3 is guided by the guide bar 56 of the fixing guide 43 and the guide means 50 for adjusting the magazine width, conveyed in the direction of the arrow C, and abuts against the positioning plate 93 of the elevator 85. All.

Next, the cylinder 116 of the chuck means 115 is operated, and the chuck plate 118 descends to chuck the magazine 3. However, as mentioned above, since the upper surface of the magazine holder 94 is located slightly below the upper surface of the conveyance belts 33A and 33B, the magazine 3 cannot be reliably chucked in this state.

Subsequently, the lifting motor 96 rotates to raise the elevator 85.

That is, the rotation of the lifting motor 96 is transmitted to the male screw 87 through 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 is slightly raised, the chuck plate 118 can press the magazine 3 against the magazine holder 94 to reliably chuck it.

When the elevator 85 is slightly raised, the horizontal driving means 70 is activated. That is, the forward and backward motor 81 rotates, and the rotation of the forward and backward motor 81 is transmitted to the male screw 76. Since the female screw 78 is fixed to the horizontal movable plate 75 through the support block 79, the horizontal movable plate 75 moves in the direction of the arrow D, and the positioning plate 93 of the elevator 85 is provided. Is separated from the conveyor means 10A and 10B for the magazine loader. As described above, the elevator 85 is raised and the horizontal movable plate 75 is moved in the direction of the arrow D, and the lead frame accommodating portion at the top of the magazine 3 held in the elevator 85 accommodates the lead frame. Opposite position 120.

However, as described above, when the elevator 85 of the magazine 3 is received from the magazine loader conveyor means 10A and 10B and is chucked by the chuck means 115, the magazine 3 is located on the positioning plate of the elevator 85 ( 93, it may be chucked in a floating state or chucked in an inclined state.

If it is not chucked in such a correct posture, the trouble that the lead frame 1 conveyed from the frame guide 2 will not be reliably stored in the accommodating part of the magazine 3 will arise.

In the present embodiment, as described above, after the elevator 85 that chucks the magazine 3 rises, the cylinder 116 of the chuck means 115 operates to raise the chuck plate 118 to open the magazine 3 once. do. 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 section 62 to correct the posture.

In the state where the magazine 3 is pressurized by this press part 62, the cylinder 116 operates in the opposite direction to the above, and presses the magazine 3 by the chuck | plate plate 118 to the magazine holder 94 and pretends.

Thereafter, the air cylinder 61 is operated in the opposite direction to the above so that the pressing portion 62 is separated from the magazine 3.

Due to this, the magazine 3 is held in the correct position at the right position, and the lead frame accommodating portion at the top of the magazine 3 again raises the elevator 85 to the lead frame accommodating position 120.

Next, a pusher (not shown) is operated, and the lead frame 1 conveyed from the frame guide 2 is stored in the lead frame accommodating portion at the top of the magazine 3.

When the lead frame 1 is stored at the top end of the magazine 3, the lifting motor 96 rotates so that the second lead frame accommodating portion from the top end of the magazine 3 faces the lead frame accommodating position 120. 85 is raised. When the lead frame 1 is transferred from the frame guide 2, the lead frame 1 is stored in the second lead frame accommodating part.

Thereafter, this operation is repeatedly performed.

When the entire lead frame 1 is accommodated in the magazine 3, the lifting motor 96 rotates to raise the elevator 85, and the forward and retracting motor 81 rotates in the opposite direction to the above. The magazine holder 94 of 85 is inserted into the groove 40a of the stage 40 for magazine unloaders, and the magazine holder 94 is located slightly above the stage 40 for magazine unloaders.

Next, the cylinder 116 of the chuck means 115 is operated to raise the chuck plate 118 to open the chuck of the magazine 3.

Then, the lifting motor 96 is rotated so that the elevator 85 descends.

For this reason, the magazine 3 put on the magazine holder 94 is mounted on the stage 40 for magazine unloaders. The elevator 85 then descends and moves to the original position to receive the magazines 3 on the magazine loader conveyor means 10A, 10B.

However, as described above, when the magazine 3 is placed on the magazine unloader stage 40 from the elevator 85 and the elevator 85 is lowered, the magazine 3 of the magazine unloader stage 40 Since it is placed on the end, when it is not completely placed on the magazine unloader stage 40, the position of the magazine 3 is shifted by vibration or the like, and a part of the magazine 3 is unloaded from the magazine unloader stage 40. When it becomes unstable from the edge part of), the magazine 3 may fall to the elevator 85 side and fall from the magazine unloader stage 40.

In the present embodiment, when the magazine holder 94 is located slightly above the magazine unloader stage 40, the electronic solenoid 66 of the magazine anti-shutter shutter 65 is operated and the shutter plate 67 is operated. It is located in the rear side of (3).

For this reason, even if the chuck of the magazine 3 is opened and the elevator 85 descends, the magazine 3 will not fall from the magazine unloader stage 40. The shutter plate 67 of the magazine anti-shutter shutter 65 retreats by operating the electromagnetic solenoid 66 in the opposite direction just before the next magazine 3 is placed on the magazine unloader stage 40. .

Thereafter, the above operation is repeated. By the way, the magazine 3 mounted on the magazine unloader stage 40 is chucked by the elevator 85 by the following operation, in order to transfer the full magazine 3 onto the magazine unloader stage 40. When it moves to the direction of the magazine unloader stage 40, it presses in the direction of the stopper board 45 by the magazine 3 chucked by this elevator 85. As shown in FIG.

In addition, in the above embodiment, when the empty magazine 3 is set on the conveyor means 10A and 10B for the magazine loader, and the lead frame 1 conveyed along the frame guide 2 is stored in the magazine 3 Although the description has been made, the magazine 3 in which the lead frame 1 is stored is set on the conveyor means 10A and 10B for the magazine loader, and the lead frame receiving position 120 is set as the lead frame dispensing position. The lead frame 1 is dispensed on 2), and the empty magazine 3 can also be applied to the frame loader side on which the magazine unloader stage 40 is placed.

In the above embodiment, the magazine loader conveyor means 10A and 10B are lowered, and the magazine unloader stage 40 is upward, whereas the magazine loader conveyor means 10A and 10B are upwards and the magazine unloader is used. The stage 40 may be placed downward and the lead frame 1 may be stored or discharged when the elevator 85 descends.

In addition, the above embodiment has been described in the case where the loader portion of the magazine is the magazine loader conveyor means 10A, 10B, but as in the prior art, it is composed of a magazine loader stage and a pusher means that pushes the rear of the magazine placed on the loader stage. You may also do it.

In addition, the above embodiment has been described in the case of applying to the lead frame 1, but can also be applied to a thin plate such as a wafer printed board.

Thus, since the elevator 85 is arrange | positioned in the inner side of the conveyor means 10A, 10B (magazine loader part) and the magazine unloader stage 40 (magazine unloader part), the magazine to the magazine loader part from the immediately front side of an apparatus. The magazine 3 can be taken out from the supply and magazine unloader section 3, and the magazine can be supplied and taken out easily.

[Effects of the Invention]

According to the present invention, the elevator is arranged on the inner side of the upper and lower magazine loader part and the magazine unloader part of the upper and lower stages, the magazine is supplied to the magazine loader part from the front side of the apparatus and the magazine is removed from the magazine unloader part. Supply and take out are easily performed.

Claims (1)

The magazine loader part for supplying the magazine and the magazine unloader part for receiving the magazine are composed of two stages up and down, and the magazine is received from the magazine loader part and raised or lowered to be positioned at the lead frame storage position or discharge position, and the lead frame is stored. Or a magazine conveying apparatus having an elevator that moves up and down to place a discharged magazine on a magazine unloader, wherein the elevator is disposed on an inner side of the magazine loader part and the magazine unloader of two upper and lower stages, The magazine conveying apparatus, characterized in that configured to supply a magazine to the magazine loader portion from the front side and to take out the magazine from the magazine unloader portion.