JPH0797042A - Conveying device for printed circuit board - Google Patents

Abstract

PURPOSE:To provide a printed circuit board conveying device by which a pusher can be automatically arranged in the center of an inside space between an auxiliary standing wall and a left side standing wall facing therewith, when guide bar surroundings, in which the auxiliary standing wall is arranged between the right and left side standing walls, is laterally oscillated. CONSTITUTION:A pulley A, a pulley B are individually supported on a left side standing wall 22a and a right side standing wall 22b freely rotationally, while pulleys C, D are supported on left and right sides of a pusher 50 freely rotationally. On the left side standing wall 22a, one end of a wire E is fixed, and the wire E is sequentially wrapped on the pulley C, the pulley A, and the pulley B in this order while penetrating an auxiliary standing wall 22c, and then, the other end of the wire E is fixed in the auxiliary standing wall 22c. On the right side standing wall 22b, one end of a wire F is fixed, the wire F penetrates the auxiliary standing wall 22c to be wrapped on the pulley D, and then, the other end of the wire F is fixed in the auxiliary standing wall 22c.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a printed board carrying machine for carrying a printed board.

[0002]

2. Description of the Related Art A printed circuit board transporter attached to an unloader for accommodating a printed circuit board on a belt conveyor for assembling the printed circuit board in a magazine rack has a structure as shown in FIG.

In this carrier, upper and lower two guide bars 24 and 26 are installed between standing walls 22a and 22b provided on the left and right of the carrier path 20 of the printed circuit board 10, respectively. The auxiliary standing wall 22c is slidably supported by the guide bars 24 and 26. Auxiliary standing wall 22c
On the inside and on the inside of the left standing wall 22a facing it,
Conveyors 40a and 40b for conveying the printed circuit boards are supported so as to be able to circulate. And the auxiliary standing wall 22c
Slide around the guide bars 24, 26 to the left and right,
The distance between the auxiliary standing wall 22c and the left standing wall 22a is adjusted, and the printed boards 10 of large and small widths are provided over the conveyors 40a and 40b provided inside the auxiliary standing wall 22c and the left standing wall 22a. It can be equipped with. A pusher 50 that pushes the rear end of the printed circuit board 10 is slidably supported on the guide bars 24 and 26 between the auxiliary standing wall 22c and the left standing wall 22a. Then, the conveyors 40a, 40b on which the left and right side portions of the printed circuit board 10 are mounted
And the conveyor 40a, 40b by pushing the center of the rear end of the printed circuit board 10 mounted over the conveyors 40a, 40b by the pushers 50. The upper part can be accurately conveyed in front of it. In that case, the printed board 10 guides the left and right side edges of the printed board 10 by the inside of the auxiliary standing wall 22c and the inside of the left standing wall 22a, and the printed board 10 is conveyed by the conveyors 40a, 40a.
It is designed to prevent falling off from b.

In this transporter, as shown in FIG. 3, a male screw 24a is engraved in the middle of the upper guide bar 24, and an auxiliary standing wall 22c is inserted through the guide bar 24.
By engraving a female screw (not shown) which is screwed onto the male screw 24a of the guide bar, and rotating the guide bar 24 by a round handle 28 provided at one end of the guide bar 24, the auxiliary standing wall 22c is moved to the guide bar. 24 and 26 can be slid to the left and right.

At the same time, the pusher 50 is slid to the left and right around the guide bars 24 and 26, and the pusher 5 is moved.
0 is the auxiliary upright wall 22c and the left upright wall 2 facing it
It is arranged so that it can be located at the center of the space between it and 2a. Then, on the transport path 20, the conveyor 40a,
By pushing the center of the rear end of the printed circuit board 10 being conveyed by 40b to the front side by the pusher 50, the printed circuit board 10 is accurately conveyed on the conveyance path 20 to the front side and is placed from the conveyance path 20 to the front side. It can be pushed into a magazine rack (not shown).

[0006]

However, in the above-mentioned printed board carrier, the auxiliary standing wall 22c is slid to the left and right around the guide bars 24 and 26, and the auxiliary standing wall 22c and the left standing standing opposite thereto. After adjusting the gap with the wall 22a, manually push the pusher 50 around the guide bars 24, 26 to the left and right to locate the center of the inner space between the auxiliary standing wall 22c and the left standing wall 22a by visual observation. However, moving the pusher 50 requires a great deal of work.

Here, the pusher 50 is attached to the auxiliary standing wall 22.
The reason why the pusher 50 must be located in the center of the inner space between the c and the left standing wall 22a opposite thereto is that one of the inner spaces between the auxiliary standing wall 22c and the left standing wall 22a opposite thereto is provided. When the rear end of the printed circuit board 10 is pushed by the pusher 50, the printed circuit board 10 is pushed obliquely forward on the transport path 20 and the printed circuit board 10 is pushed from above the transport path 20. There is a risk of falling off, and the side edge of the printed board 10 guides the auxiliary standing wall 22c inside or on the left standing wall 22a.
This is because they get caught inside.

The present invention has been made in view of such a problem, and the auxiliary standing wall is slid to the left and right around the guide bar to adjust the distance between the auxiliary standing wall and the left standing wall opposite thereto. In doing so, an object of the present invention is to provide a carrier for a printed circuit board, which can automatically arrange the pusher in the center of the inner space between the auxiliary upright wall and the left upright wall.

[0009]

In order to achieve the above object, a printed board carrier according to the present invention has guide bars installed between standing walls provided on the left and right sides of a carrying path, and the guide bars are mounted on the guide bars. While supporting the auxiliary standing wall slidably,
A conveyor for carrying a printed circuit board is rotatably supported on the inside of the auxiliary standing wall and on the inside of the left standing wall opposite thereto, and further, a guide between the auxiliary standing wall and the left standing wall opposite thereto. In a carrier for a printed circuit board in which a pusher for pushing a rear end of the printed circuit board is slidably supported by a bar, a pulley A and a pulley B are rotatably supported by the left and right standing walls, and the pusher is provided on the left and right sides of the pusher. A pulley C and a pulley D are rotatably supported, respectively, and a wire E having one end fixed to the left standing wall is wound around the pulley C, a pulley A, and a pulley B through the auxiliary standing wall in sequence and sequentially wound. The other end of the wire E is fixed to the auxiliary upright wall, and the wire F having one end fixed to the right upright wall is passed through the auxiliary upright wall to make the pulley D The other end wrapped around is characterized in that fixed to the auxiliary upright wall.

[0010]

In the printed board carrier having the above structure,
When the auxiliary standing wall is slid left and right around the guide bar, the other ends of the wire E and the wire F fixed to the auxiliary standing wall are pulled to the left and right, and the wires E and F are pulled by the pulleys A and B. , C, and D, respectively, travel around and move. Then, the wire E, the wire F and the pulleys A, B,
The pusher connected to the auxiliary upright wall via C and D slides to the left and right around the guide bar by a distance ½ of the moving distance of the auxiliary upright wall. Then, a pusher is arranged in the center of the inner space between the auxiliary standing wall that has moved around the guide bar to the left and right and the left standing wall that faces the auxiliary standing wall.

[0011]

Embodiments of the present invention will now be described with reference to the drawings. FIG. 1 shows a preferred embodiment of a carrier for a printed circuit board according to the present invention, and more specifically shows a schematic configuration diagram thereof. Hereinafter, the carrier for the printed circuit board will be described.

In the illustrated carrier, left and right standing walls 22a, 2
A pulley A and a pulley B are rotatably supported on the inner side of 2b. At the same time, the pulleys C and D are rotatably arranged side by side on the left and right sides of the pusher 50.

One end of the wire E is fixed to the left standing wall 22a, and the wire E is attached to the pulley C on the left side of the pusher 50, the pulley A inside the left standing wall 22a, and the inside of the right standing wall 22b. A through hole 60 opened in the auxiliary standing wall 22c is passed through the pulley B, and the pulley B is sequentially wound in series. The other end of the wire E is attached to the auxiliary standing wall 22.
It is fixed to c.

One end of a wire F is fixed to the right standing wall 22b, and the wire F is passed through a through hole 62 opened in the auxiliary standing wall 22c and wound around a pulley D on the left side of the side surface of the pusher 50. I am hanging. And that wire F
The other end of is fixed to the auxiliary standing wall 22c.

Others are the same as those of the printed board carrier shown in FIG.

Next, an example of use of this carrier and its operation will be described.

The upper guide bar 2 is provided by the round handle 28.
4 by rotating the auxiliary standing wall 22c to the guide bar 24,
26 Slide the surrounding area to the left and right. Then, the distance between the auxiliary standing wall 22c and the left standing wall 22a facing the auxiliary standing wall 22c is adjusted, and the conveyors 40a, 40 inside the walls are adjusted.
The printed circuit board 10 having large and small widths can be mounted over b.

Then, the auxiliary standing wall 22c is attached to the guide bar 2
4 and 26, when the periphery is slid to the left and right, the other ends of the wire E and the wire F fixed to the auxiliary standing wall 22c are pulled to the left and right, and the wire E and the wire F are pulled by the pulley A,
It travels around and moves around B, C, and D, respectively. The pusher 50 connected to the auxiliary upright wall 22c via the wires E, F and pulleys A, B, C, and D moves the guide bar 2 by a distance half the moving distance of the auxiliary upright wall 22c.
It slides to the left and right around 4, 26. Then, the auxiliary standing wall 2 that slides around the guide bars 24 and 26 to the left and right thereof.
A pusher 50 is arranged at the center of the inner space between the 2c and the left standing wall 22a facing it.

To explain this principle in detail, as shown in FIG. 2, the auxiliary upstanding wall 22c is slid around the guide bars 24, 26 by a distance L to the left and right of the guide bars 24, 26, so that the auxiliary upstanding wall 22c.
When the wire E or the wire F having the other end fixed thereto is circulated to the left or right of the pulley C or the pulley D by a distance L from the point J to the point K, the pulley C or the pulley D is rotatably supported. This is because the pusher 50 provided with the shaft M, that is, the pulley C or the pulley D, moves to the left and right by a distance of 1/2 L.

Next, the conveyors 40a and 40b respectively provided inside the auxiliary standing wall 22c and the left standing wall 22a opposite thereto are synchronously circulated in the same direction, respectively, and the rear end of the printed board 10 is moved forward by the pusher 50. Press.

Then, the center of the rear end of the printed circuit board 10 mounted over the conveyors 40a and 40b can be accurately pushed forward by the pusher 50. Then, the printed board 10 is placed on the conveyors 40a and 40b and the pusher 5.
With 0, it is possible to continue accurately transporting on the transport path 20 forward, and surely push it into the magazine rack (not shown) arranged in front of the transport path 20.

In the printed board carrier of the above-described embodiment, the auxiliary standing wall 22c is provided with an air cylinder, an electric motor without the male screw 24a provided around the guide bar 24 and the female screw provided on the auxiliary standing wall 22c. A motor or the like may be used to automatically slide around the guide bars 24 and 26 to the left and right.

[0023]

As described above, according to the printed board transporter of the present invention, when the auxiliary standing wall is slid to the left and right around the guide bar, the auxiliary rising wall is slid in accordance with the sliding. The pusher can be automatically moved and arranged at the center of the inner space between the auxiliary upright wall and the left upright wall facing the auxiliary upright wall. Further, it is possible to significantly reduce the labor of arranging the pushers.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram of a printed board carrier according to the present invention.

FIG. 2 is an explanatory diagram of the operating principle of the printed board carrier according to the present invention.

FIG. 3 is a schematic configuration diagram of a conventional printed board carrier.

[Explanation of symbols]

 10 Printed circuit board 20 Conveyance path 22a, 22b Standing wall 22c Auxiliary standing wall 24, 26 Guide bar 24a Male screw 28 Round handle 40a, 40b Conveyor 50 Pusher A, B, C, D Pulley E, F Wire

Claims (1)

[Claims] 1. A guide bar is installed between standing walls provided on the left and right sides of a conveying path, and an auxiliary standing wall is slidably supported by the guide bar, and the inside of the auxiliary standing wall is opposed to the inside of the auxiliary standing wall. A conveyor for conveying printed circuit boards is supported on the inside of the standing wall on the left side so that it can be circulated.
In a printed circuit board carrier in which a pusher for pushing a printed circuit board rear end is slidably supported by a guide bar between the auxiliary standing wall and a left standing wall opposite to the auxiliary bar, a pulley A is provided on the left and right standing walls. , A pulley B are rotatably supported, and a pulley C and a pulley D are rotatably supported on the left and right of the pusher, respectively, and a wire E whose one end is fixed to the left standing wall is the pulley C and the pulley A. , The pulley B is passed through the auxiliary standing wall and wound in sequence to fix the other end of the wire E to the auxiliary standing wall, and further, the wire F having one end fixed to the right standing wall is used as the auxiliary. A conveyor for a printed circuit board, characterized in that the standing wall is penetrated and wound around the pulley D, and the other end is fixed to the auxiliary standing wall.