JPH0632793B2 - Plate cleaning device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of use] The present invention relates to a plate-like cleaning device for cleanly wiping the surface of a contact plate used when press-molding a printed circuit board or the surface of the printed circuit board after molding. Regarding

[Prior Art and Problems Thereof] A printed circuit board is formed by thermopressing with a hot pressing device in a state where a smooth contact plate is interposed between the printed board and the thermosetting resin. Is impregnated and molded.

The plate used in this hot press is used after polishing and cleaning to remove the adhered resin after use, but the dust that adheres is wiped during this reuse. It is necessary to clean the surface.

Also, it is necessary to wipe off dust adhering to the surface of the printed circuit board after molding.

However, conventionally, the step of wiping off the surface of such a plate-like object (a plate or a printed circuit board after molding) has been performed by hand only, and the work efficiency was extremely poor.

[Object of the Invention] In view of the above circumstances, an object of the present invention is to provide a cleaning device for a plate-like object, which can automate the step of wiping the surface of the plate-like object and can improve work efficiency. To do.

[Means for Solving the Problems] In order to achieve the above object, a cleaning device for a plate-like object according to the present invention includes a plate-like object conveying means for conveying a plate-like object along one direction and a plate-like object winding means. A cleaning cloth holding means for winding the cleaning cloth and holding it so that it can be pulled out, a cleaning cloth winding means for winding the cleaning cloth after the cleaning operation, and the cleaning cloth winding means in the winding direction. Winding urging means for urging, and the cleaning cloth between the cleaning cloth holding means and the cleaning cloth winding means are pressed and urged against the surface of the plate-like object conveyed and driven by the plate-like object conveying means. And a cleaner located between the cross pressing means and the cleaning cloth winding means. The first and second rollers that sandwich the ring cloth, the pressure contact means that presses the first roller against the second roller with a predetermined pressure contact force, and the second roller are used for at least the cleaning operation. Rotational drive means for rotationally driving by the amount of rotation corresponding to the length of the cleaning cloth is provided.

Embodiments of the Invention Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a side view of a cleaning device to which an embodiment of the present invention is applied, and FIG. 2 is a front view thereof.

In the illustrated cleaning device, four pairs of conveyance rolls 10 as plate-like material conveyance means are arranged in parallel on one side surface side of the column 1 which is erected, and are separated by a predetermined distance.
The cleaning arms 20 are respectively arranged above and below 0 (three places), and the cloth holding portions 30 as cleaning cloth holding means are provided above and below in the front direction of the plate-shaped material conveying drive by the conveying roll pairs 10. In addition, a cloth winding unit 40 as a cleaning cloth winding unit is arranged at the upper and lower sides in the rear direction of the plate-shaped material conveying drive, respectively.

The pair of transport rolls 10 is configured to press and urge the pressing roller 12 above the transport roller 11.

The transport roller 11 is rotatably supported by the column 1 in a cantilevered state, and a gear 11A (shown in FIG. 2) is fixed to an end of the transport roller 11 supported by the column 1, so that all the transport rollers are transported. The roll pairs 10 ... The gears 11A ... Are linked by a chain (not shown), and are rotationally driven in synchronization by a drive motor 13 via the chain.

The pressing roller 12 is supported by a frame 14 having one end fixed to the column 1 via a leaf spring 15, and
It is arranged on the outer periphery of the conveying roller 11 by a predetermined pressing force by the deformation restoring force of 5.

The transport roll pair 10 sandwiches a plate-shaped object (not shown) between the transport roller 11 and the pressing roller 12 (in other words, presses the plate-shaped object on the transport roller 11 with the pressing roller 12). Then, the transport roller 11 is driven to rotate, and the plate-shaped object is horizontally driven from the left side to the right side in FIG.

Guide rollers 60 are attached to and held by the column 1 in a cantilevered manner above and below the two central pairs of transport rolls 10, respectively.

The cleaning arm 20 (20U, 20D) is a plate having a predetermined width and a predetermined length, and is held by the column 1 at the longitudinal end thereof, and the upper and lower cleaning arms 20 are provided.
The cleaning arms 20U, 2 facing U, 20D
An elastic member 21 made of rubber or the like is provided at the end portion along the longitudinal direction of 0D.
... are installed respectively.

The upper cleaning arm 20U is attached to an elevating guide 22 fixed to the column 1 and can move up and down along the elevating guide 22, and the tip of the spindle of an air cylinder 23 provided in the column 1 is connected. The air cylinder 23 is driven to move up and down. Cleaning arm 2 using this air cylinder 23
The elevation of 0 U is used when the cleaning cloth 50 is replaced.

The lower cleaning arm 20D is a horizontal line connecting the upper end surface (upper end surface of the elastic member 21) to the upper surface of the transport roller 11 of each transport roll pair 10 (the lower surface transport path of the plate-shaped object).
It is fixedly attached to the column 1 so as to match with.

The cross holding unit 30 and the cross winding unit 40 are arranged vertically symmetrical with respect to the plate-shaped object conveying path by the conveying roll pair 10, and one of them will be described below, but the other has the same configuration. It is a thing.

In the cloth holding portion 30, a holding shaft 31 which is inserted into a central hole of a roll-shaped cloth 51 obtained by winding the cleaning cloth 50 in a roll shape is rotatably held by the column 1.
The end portion that penetrates the column 1 is connected to the air motor 32 and is rotationally driven by the air motor 32. The rotation driving direction of the holding shaft 31 by the air motor 32 is a direction in which the cleaning cloth 50 is wound around the holding shaft 31.

The cross winding unit 40 includes a winding shaft 41 that is rotatably held by the column 1 and is rotatably driven by an air motor 42, similarly to the cross holding unit 30 described above, and the cleaning cloth 50 is placed on the winding shaft 41 side. A winding drive roller 43 that drives the conveyance and a pressing roller 44 that presses the cleaning cloth 50 against the drive roller 43 are provided.

The drive roller 43 is rotatably supported by the column 1 in a cantilever manner, and is rotated by a swing motor 46 through a cam clutch 45 at predetermined angles.

The pressing roller 44 is rotatably held by a holding arm 47 movably fitted and attached to a guide 48 extending horizontally in the column 1, and the holding arm 47 is arranged in the column 1 in a horizontal state. The spindle of the air cylinder 49 is connected and driven by the air cylinder 49 to move horizontally along the guide 48.
When the holding arm 47 is driven to move by the air cylinder 49, the pressing roller 44 is pressed by the driving roller 43 with a predetermined force, and the cleaning cloth 50 is sandwiched between the two.

The take-up shaft 41 of the cloth take-up unit 40 is driven to rotate by the air motor 42 in the direction in which the cleaning cloth 50 is taken up on the take-up shaft 41. Further, the drive roller 43 moves in the direction in which the cleaning cloth 50 sandwiched between the drive roller 43 and the pressing roller 44 is conveyed to the take-up shaft 41 side by the swing drive of the swing motor 46 (rotation drive by a predetermined angle). It is driven to rotate, and does not rotate due to the action of the cam clutch 45 when returning to swing.

In the cleaning device configured as described above, the cleaning cloth 50 has the cloth holding portion 30 as shown in the first illustration.
To cleaning arm 20 ... and guide roller 60 ...
And the driving roller 43 and the pressing roller 4 are rotated.
Winding shaft 41 of the cross winding portion 40
It is hung so that it may be wound up.

Here, the holding shaft 31 of the cross holding unit 30 and the winding shaft 41 of the cross winding unit 40 are respectively connected to the respective air motors 3.
The cleaning cloth 5 and the cleaning cloth 50 are both rotationally driven in the directions in which the cleaning cloth 50 is wound up (opposite directions to each other).
0 does not move to either side (without being wound), and a predetermined tension is applied.

Then, in this state, the plate-like material is conveyed by the pair of conveying rolls 10 ..., The cleaning member 50 of the cleaning arm 20 arranged between the pair of conveying rolls 10 ... The upper and lower surfaces of the plate are pressed and urged, and the dust adhering to the surface of the plate-like object is wiped off.

When the cleaning cloth 50 that is in contact with the plate-like object becomes dirty, the drive roller 43 is driven to rotate by a predetermined amount (angle or rotation), and the balance between the cloth holding portion 30 and the cloth winding portion 40 is disturbed, so that the cleaning cloth is cleaned. The cleaning cloth 5 is made to wind up on the cloth winding portion 40 by a predetermined amount.
The unused portion of 0 corresponds to the elastic member 21 of the cleaning arm 20 and the plate-like object is wiped off by this new portion.

That is, the amount of one operation (rotation amount) of the drive roller may be set to be equal to or greater than the thickness of the elastic member 21 of the cleaning arm 20 that presses the cleaning cloth 50 against the surface of the plate-shaped object. is there.

Thus, according to the above configuration, the pair of transport rolls 10 ...
The cleaning cloth 50 can wipe the surface of the plate-like object while transporting the plate-like object by the cleaning cloth 50, and when the wiped part of the cleaning cloth 50 becomes dirty, the cleaning cloth wound in a roll shape is held by the cloth holding part 30. A large amount of plate-shaped material can be automatically wiped off by sequentially winding 50 around the cross winding portion 40 side by a predetermined amount.

[Effects of the Invention] As described above, according to the present invention, the step of wiping the surface of a plate-like object can be automated, which contributes to improvement of work efficiency.

[Brief description of drawings]

FIG. 1 is a side view of a cleaning device to which an embodiment of the present invention is applied, and FIG. 2 is a front view thereof. 10 ... Pair of transport rolls (plate-shaped material transport means) 20 ... Cleaning arm (cross pressing means) 30 ... Cross holding means (cleaning cloth holding means) 40 ... Cross winding means (cleaning cloth winding means) 50 ...... Cleaning cloth

Claims (1)

[Claims] 1. A plate-shaped article conveying means for conveying a plate-shaped article in one direction, a cleaning cloth holding means for holding a cleaning cloth wound in a roll and holding the cleaning cloth so that the cleaning cloth can be pulled out, and a cleaning device. Cleaning cloth winding means for winding the cleaning cloth after operation, winding urging means for urging the cleaning cloth winding means in the winding direction, the cleaning cloth holding means, and the cleaning cloth winding means The cleaning cloth between
Cross pressing means for pressing and urging the surface of the plate-like object which is conveyed and driven by the plate-like object conveying means, and first and second holding means for sandwiching the cleaning cloth located between the cross-pressing means and the cleaning cloth winding means. A second roller; a press-contact means for pressing the first roller against the second roller with a predetermined press-contact force; and setting the second roller to at least the length of the cleaning cloth used for the cleaning operation. A cleaning device for a plate-like object, comprising: a rotation driving means that rotates and drives by a corresponding rotation amount.