JPH047068A - Apparatus for cleaning plate-shaped body - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

Detailed Description of the Invention [Industrial Application Field] The present invention relates to a plate-like object cleaning device for wiping clean the backing plate used when press-molding a printed circuit board or the surface of a printed circuit board after molding. .

[Prior art and its problems] A printed circuit board is hot-pressed using a hot-pressing machine with a smooth backing plate interposed between the hot plate and a thermosetting resin in the fiber layer. It is impregnated with and molded.

After use, the plate used in this hot press is either polished and cleaned to remove the resin that has adhered to it and then reused, or it is wiped to remove any dust that has adhered to it before reuse. Is it necessary to clean the surface?

Moreover, it is also necessary to wipe off the cliffs attached to the surface of the printed circuit board after molding.

However, conventionally, the process of wiping off the surface of such a plate-shaped ELC backing plate or a printed circuit board after molding has been carried out exclusively by hand, and the work efficiency has been extremely low.

[Purpose of the Invention] In view of the above-mentioned circumstances, an object of the present invention is to provide a cleaning device for a plate-shaped object that can automate the process of wiping the surface of a plate-shaped object and improve work efficiency. shall be.

[Means for Solving the Problems] 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; and a cleaning cloth that rotatably holds a cleaning cloth wound in a roll. A holding means, a cleaning cloth winding means for winding up the cleaning cloth, and a cleaning cloth between the cleaning cloth holding means and the cleaning cloth winding means is pressed against the surface of the plate-like object being transported and driven by the plate-like object conveying means. and a cross pressing means for applying force.

[Embodiments of the invention] Embodiments of the present invention will be described below based on 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.

The cleaning device shown in the figure has four pairs of conveyor rolls lO as plate-like object conveying means arranged in parallel with a predetermined interval separated from each other on one side of an upright column l.
Cleaning arms 20... are arranged above and below (3 locations) between the transport roll pairs lO...
Cloth holding parts 30 as cleaning cloth holding means are installed above and below in the front in the driving direction of plate-shaped object conveyance, and cloth winding parts 40 as cleaning cloth winding means are installed in the upper and lower rear of the driving direction of plate-like object conveyance. , are arranged and configured respectively.

The transport roll pair IO is configured by pressing a pressure roller 12 on the upper side of the transport roller 11.

The conveyance roller 11 is rotatably supported by the column 1 in a cantilevered state, and a gear IIA is fixed to the end of the side supported by the column 1.
The gears IIA... are connected to each other by a chain (not shown), and are driven to rotate in synchronization with the drive motor 13 via the chain.

The pressure roller 12 is supported at one end by a frame 14 fixed to the column 1 via a plate spring 15.
The deformation return force 5 is placed on the outer periphery of the conveyance roller 11 with a predetermined pressing force.

The pair of conveying rolls 10... sandwich a plate-like object (not shown) between the conveying roller 11 and the pressing roller 12 (in other words, the plate-like object is placed on the conveying roller 11 and the pressing roller 12).
The plate-shaped object is conveyed horizontally from the left side to the right side in FIG. 1 by the rotation of the conveying roller 11.

Note that guide rollers 60 . . . are mounted and held in a cantilevered state on the upper and lower sides of the two center pairs of transport rolls 10, respectively.

The cleaning arms 20 (20U, 20D) are plate-shaped with a predetermined width and a predetermined length, and are held by the column 1 at their longitudinal ends.
The cleaning arm 20U, 2 facing U, 20D
An elastic member 21 such as rubber is attached to the end along the longitudinal direction of 0D.
...- or my husband, are wearing them.

The cleaning arm 20U on the north side is attached to a lifting kite 22 fixed to the column l so that it can move up and down along the lifting kite 22, and is connected to the spindle tip of an air cylinder 23 provided in the column l. and is driven up and down by the air cylinder 23. Cleaning arm 20 using this air cylinder 23
The lifting and lowering of U is used when replacing the cleaning cloth 50.

The lower cleaning arm 20D connects its upper end surface (the upper end surface of the elastic member 21) with the horizontal line (lower surface transport path of the plate-shaped object) connecting the upper surface of the transport roller 11 of each transport roll pair IO.
It is fixedly attached to column L in line with the

The cloth holding section 30 and the cloth winding section 40 are arranged vertically symmetrically with respect to the plate-shaped object conveyance path by the conveyance roll pair IO, and one will be explained below, or the other will be similarly configured. It is something.

The cloth holding part 30 is rotatably held by a holding shaft 31 or a column l that is inserted into a center hole of a rolled cloth 51 in which a cleaning cloth 50 is wound into a roll.
The end of the column 1 passing through the column 1 is connected to an air motor 32 so that it is rotationally driven by the air motor 32.

The direction in which the air motor 32 rotates the holding shaft 31 is the direction in which the cleaning cloth 50 is wound around the holding shaft 31.

The cloth take-up section 40 includes a take-up shaft 41 which is held so as to be rotatable by the column one time and is rotationally driven by an air motor 42 in the same way as the cloth holding section 30 described above. It includes a take-up drive roller 43 that drives the conveyance, and a pressure roller 44 that presses the cleaning cloth 50 against the drive roller 43.

The drive roller 43 is rotatably supported by a column on a cantilever, and is driven to rotate by a predetermined angle by a swing motor 46 via a cam clutch 45.

The pressing roller 44 is rotatably held by a holding arm 47 that is movably fitted into a kite 48 that extends horizontally in the column l, and the holding arm 47 is arranged horizontally in the column l. The spindle of the air syringe 49 is connected to the air cylinder 49 so that the air syringe 49 is driven to move horizontally along the guide 48.

As the holding arm 47 is moved and driven by the air syringe 49, the pressing roller 44 is urged against the driving roller 43 with a predetermined force, so that the cleaning cloth 50 is sandwiched between them.

The winding shaft 41 of the cloth winding section 40 is rotatably driven by an air motor 42 in a direction to wind up the cleaning cloth 50 onto the winding shaft 41. Further, the driving roller 43 is moved in the direction of conveying the cleaning cloth 5o sandwiched between the driving roller 43 and the pressing roller 44 toward the winding shaft 41 by the swinging drive (rotation drive at a predetermined angle) of the swinging motor 46. It is driven to rotate and is prevented from rotating by the action of the cam clutch 45 when returning to swing.

In the cleaning device configured as described above, the cleaning cloth 50 is attached to the cloth holding portion 30 as shown in the first figure.
From cleaning arm 2o... and guide roller 6
0..., and then passed between the drive roller 43 and the pressure roller 44 so as to be wound around the winding shaft 41 of the cross winding section 40.

Here, the holding shaft 31 of the cloth holding section 30 and the winding shaft 41 of the cloth winding section 40 are connected to the respective air motors 32
．． 42, both of them are rotationally driven in the direction in which the cleaning cloth 50 is wound (in opposite directions), and the cleaning cloth 50 is rotated by balancing the forces of the two.
does not move in either direction (without being scraped off), and a predetermined tension is applied.

Then, in this state, by transporting the plate-shaped object by the transport roll pairs 10...
The cleaning cloth 50 is pressed against the upper and lower surfaces of the plate-like object by the elastic members 21 of the cleaning arms 20 disposed between the cleaning cloths 50 and wiping off dust adhering to the surface of the plate-like object. .

If the cleaning cloth 50 that is in contact with the plate-shaped object becomes dirty, the drive roller 43 is rotated by a predetermined amount (angle or rotation) to unbalance the cloth holding section 30 and the cloth winding section 40 and remove the cleaning cloth. 50 is wound up by a predetermined amount on the cloth winding section 40, and the cleaning cloth 5
The unused portion of 0 corresponds to the elastic member 21 of the cleaning arm 20, and the plate-like object is wiped with this new portion.

In other words, the amount of operation (rotation amount) of the drive roller at one time should 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-like object. be.

According to the above configuration, the transport roll pair 10.
While conveying the plate-like object by ..., the plate-like object 30...
The surface of the cloth holding means (cleaning cloth holding means) is wiped off 40 with the cleaning cloth 50.
...Cross winding means (cleaning cloth winding means) In addition to the cleaning cloth 50...
When the wiping area of the cleaning cloth 50 becomes dirty, a large amount of plate-like objects can be automatically removed by winding up the cleaning cloth 50 wound into a roll held by the cloth holding section 30 in a predetermined amount at a time toward the cloth winding section 40. You can wipe it off.

[Effects of the Invention] As explained above, according to the present invention, it is possible to automate the process of wiping the surface of a plate-like object, thereby contributing to improvement in work efficiency.

[Brief explanation of the drawing]

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.

Claims (1)

[Scope of Claims] A plate-shaped object conveying means, a cleaning cloth holding means for rotatably holding a cleaning cloth wound into a roll, a cleaning cloth winding means for winding up the cleaning cloth, and the cleaning cloth holding means. the cleaning cloth between the means and the cleaning cloth winding means;
A cleaning device for a plate-like object, comprising: a cross-pressing device that presses a surface of the plate-like object that is conveyed and driven by the plate-like object conveying device.