JPH05330643A - Article feeding conveyor device for surface treatment device - Google Patents

Abstract

PURPOSE:To feed a workpiece positively only by the movement of an endless conveyor belt. CONSTITUTION:Slide bars 11 are inserted through a disk 12 so as to be slidable, then a cylinder 18 is fixed to the disk 12, and a workpiece holder 20 closable to hold a workpiece 60 is fitted to the rod 19 of the cylinder 18 to form a workpiece moving device. Guide bars 5, 6 are inserted through guide members 32, 32' provided at the end parts of both side holding plates 30, 30' by a top plate 31, and a connecting piece 25 with a fit-in part 24 for fitting the disk is fitted in the freely elevating state. A conveyor belt 57 is inserted through between both side holding plates 30, 30', and the conveyor belt 57 is provided at its lower end with a holding part 59 so as to hold the end part of the workpiece 60 mutually from the opposite direction. Both side holding pieces 44, 44' provided with release plates 48, 48' for releasing the holding part 59 and belt holding members 49, 49' for holding the conveyor belt 57 from both sides are closably fitted to the top plate 31.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an article feeding / conveying apparatus for a surface treating apparatus which uses an endless belt for carrying out operations such as plating and cleaning on the surface of a thin plate-shaped article as a conveyor.

[0002]

2. Description of the Related Art As an apparatus for continuously cleaning or plating the surface of a thin plate-shaped article, for example, "Band-shaped material processing apparatus" disclosed in Japanese Patent Laid-Open No. 2-277800. There is. This publication describes the drawbacks of the "strip material processing apparatus" disclosed in the previously disclosed US Pat. No. 4,534,834.
The improvement means is shown. In this device, the moving speeds of the endless belt that conveys the workpiece to several processing tanks and the feeding means that feeds the workpiece to the endless belt are made equal, and the workpiece moves from the feeding means to the conveyor belt during that time. Disclosed are means and methods that are transferred to the workpiece transport means.

[0003]

However, even in this method, the means for transferring the workpiece is not specified, and a strict numerical control device is required to make the moving speed of the belt equal to the moving speed of the supplying means. There was a problem that needed. Therefore, in the present invention, as a means for surely transferring the work piece to the conveyor belt by the supply device, a supply means for holding the work piece is provided so that the work piece is transferred from the supply means to the gripping portion of the conveyor belt. By moving integrally with the conveyor belt, it moves completely at the same moving speed as the conveyor belt, while the workpiece is reliably transferred from the feeder to the conveyor gripping part. The purpose is to configure it so that it can be transferred.

[0004]

According to the present invention, in order to solve the above-mentioned problems, guide bars are horizontally provided at opposite positions on both upper portions of support plates on both sides, and an actuator having a rotary disk is fixed on one support plate. Then, fix a plurality of slide rods between the turntable and the turntable provided at the opposite position, insert a disk so that they can slide on the slide bars, fix the cylinder to the disk, and work on the rod. Workpiece moving device equipped with a work holding tool that can open and close, and a guide member provided at the ends of the holding plates on both sides connected by a top plate are inserted into the guide rods, and a fitting portion for fitting the disk is inserted. Attaching a connecting piece that can be lifted up and down, inserting a transfer belt between the holding plates on both sides, and at the lower end of the transfer belt, a holding part for holding the end parts of the work from opposite directions is provided, and it is transferred to the top plate. Hold the belt for both sides An article for a surface treatment device having a belt holding member and an opening plate for opening the holding portion, the holding pieces on both sides are openably attached, and a return air cylinder for returning the holding plate to the original position is provided on one of the holding plates. Configure a feeding and conveying device.

Further, disks which are inserted into the slide rods are provided on both sides, cylinders are attached to the disks on both sides at positions orthogonal to each other, rods are attached on both sides of the cylinders, work holding tools are attached, and holding plates on both sides are attached, respectively. An article feeding / conveying device of a surface treatment apparatus is constructed in which coupling pieces for inserting and coupling one of the disks are attached so as to be able to move up and down.

[0006]

The present invention is configured as described above, and opens the horizontally held work holding tool of the work moving device to receive the work and hold the work. At this time, the coupling piece descends and the disc is fitted into the fitting portion to be coupled. Next, the actuator is driven to rotate the slide rod to rotate the disk and position the work holding tool in the vertical direction. At this time, the holding part of the carrying belt is in an open state by the open plate provided on the holding piece, and the carrying belt is held by the belt holding member provided on the holding piece, and both holding plates and the work piece are held through the holding piece. Although the tool tries to move, the movement of the holding plate is blocked by the pressurization of the return air cylinder.

Then, the work holding tool is raised by the cylinder, and when the work is inserted between the holding portions of the conveyor belt, both holding pieces are closed and the work is held by the holding portion. At the same time, the return air cylinder is opened to the atmosphere, the holding plate moves via both the holding pieces as the conveyor belt moves, and the work holding tool moves via the connecting piece. afterwards,
Compressed air is supplied to the return air cylinder to return both holding plates to their original positions. Along with this, the disk and the work holding tool are returned to their original positions via the connecting pieces. When the disks are provided on both sides, the connecting pieces are alternately used, and the work holding tool is rotated by 90 degrees to rapidly supply the work.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The structure of the present invention will be described in detail with reference to the embodiments shown in the drawings. As shown in FIG. 1, this embodiment comprises a work moving device A and a work feeding device B. The work moving device A is configured as follows. That is, two rectangular support plates 1 and 2 having a height difference which face each other are connected at their lower ends by two connecting rods 3 and 4, and at their upper ends by two guide rods 5 and 6. And hold the position. Then, the actuator 7 is fixed to approximately the center of the lower support plate 1, and the bearing member 8 is fixed to the support plate 2 at the opposing position. Further, the rotary disk 9 is provided on the actuator 7, and the rotary disk 10 is axially supported by the bearing member 8.
The four slide rods 11, 11, ... Are fixed to and.

Each slide rod 11, 11, ... Has slide tubes 14, 14 ,.
, 15, ... Are movably fitted together. 1 in FIG.
6,16, ... are stoppers and slide tubes 15,15 ,.
It is designed to prevent the right side of the car from moving. In addition, the inner side of the disc 12 (on the right side in FIG. 1) (disc 13 side)
The fixing member 17 is fixed to and the cylinder 18 is held in the center. Work holding tools 20, 20 'are attached to the cylinder 18 via two rods 19, 19 respectively on the upper and lower sides in FIG. Work holding tool 20,2
Reference numeral 0'comprises a fixed holding portion 21 and an open / close holding portion 22, and one fixed holding portion 21 is formed in an L-shape (see FIG. 1) as a whole, and the rod 19 is provided at a position located in the vertical portion thereof. , 19 are fixed. Then, a U-shaped protruding portion 23 (see FIG. 1) is provided on the vertical portion so as to protrude, and the rotary shaft 2 that is rotated by the actuator 24 on both side walls of the protruding portion 23.
5 is pivoted. The other opening / closing holding portion 22 is formed in a similar L shape, and the vertical portion is pivotally attached to the rotating shaft 25 so that it can be opened and closed via the rotating shaft 25 by driving the actuator 24.

The inside of the other disk 13 (on the side of the disk 12)
A T-shaped fixture 26 is fixed in the center to hold a horizontal cylinder 27 in FIG. 3, and work holding tools 28 and 28 'similar to the above are attached.

The workpiece feeding device B is constructed as follows. That is, one ends of the two parallel holding plates 30 and 30 ′ are projected outward from each other, and the holding plates 30 and 30 ′ are connected by the top plate 31. And both holding plates 30, 30
The guide members 32 and 32 'which are fitted and inserted into the guide rods 5 and 6 are fixed to the outsides of the portions extending downwardly of ′, and the lifting cylinders 33 and 33 ′ are fixed to the inside thereof. Groove-shaped fitting portions 3 are respectively provided under the lifting cylinders 33, 33 '.
Holding members 36 and 36 ', to which coupling pieces 35 and 35' provided with 4 on their peripheral surfaces are rotatably mounted, are attached.

Further, opening / closing cylinders 37 and 37 'are fixed to the lower surfaces of both ends of the top plate 31, and rods 38 and 38' thereof penetrate the top plate 31, respectively, and support members 39 and 3 provided on the upper surface thereof.
A single actuating rod 40 is passed through 9'to hold the actuating rod 40 so that it can be raised and lowered. As shown in FIGS. 2 and 3, two links 41 and 42 are pivotally attached to the operating rod 40 at two positions, and grooves 43 and 43 provided on the top plate 31 are provided at the lower ends of both links 41 and 42. Holding pieces 44, 44 'passing through the inside are vertically pivoted, and projecting pieces 45, 45' project inwardly at the center of both holding pieces 44, 44 ', and both projecting pieces 45, 45' on both sides. , 4
Both pin holders 4 with 5,45 'attached to the lower surface of the top plate 31
It is pivotally attached by a pin 47 through which 6,46 'are inserted. Further, each of the holding pieces 44, 44 '... Is provided with two holding pieces 44, 44' and open plates 48, 48 'for connecting the lower ends of the holding pieces 44, 44'. The holding pieces 44, 44 '... Open plates 44,44
Belt holding members 49, 49 ′ are attached between the ‘′ and the pin 47. The belt holding members 49, 49 'are shown in FIG.
As shown in FIG. 5, the holding pieces 50 are respectively attached to the holding pieces 44, 44, ′.
Belt holding members 49, 49
′ Through the rod 51 and screwed with the nut 52 so as not to fall off, and each holder 50 and the belt holding member 4
A belt holding member 4 with a spring 53 interposed between
9 and 49 'are formed so that they can always project.

Further, the return air cylinder 54 is fixed by notching the upper end of the support plate 2 having the height, and its rod 55 is fixed to a fixing plate 56 fixed to both holding plates 30 and 30 '. The plates 30 and 30 'are formed so as to return to the return position on the right side in FIG. On the other hand, as shown in FIG. 4, the endless conveyor belt 57 is provided with every other inverted V-shaped actuating portion 58 in the opposite direction, and at the lower end of the actuating portion 58, the gripping portions 59 facing in opposite directions. Work 60
(See FIG. 3).

The embodiment of the present invention is configured as described above, and the work 60 is conveyed from the front side (the left side in FIG. 3) in FIG. 1 by a conveyer conveyor (not shown). At this time, the work holding tool 28 ′ of the work moving device A is in a state where the open / close holding portion 22 is opened as shown by the chain line in FIG. 3, the work 60 is transferred onto the fixed holding portion 21, and then the actuator is moved. Opening and closing holding section 22 driven by 24
Is closed and the work piece 60 is held. At this time, the lifting cylinder 33 'on the left side in FIG. 1 is driven in the outgoing direction to lower the holding member 36', and the disc 13 is fitted into the fitting portion 34 of the coupling piece 35 '. Then, after holding the work 60 by the work holding tool 28 ', the actuator 7 is driven to simultaneously rotate the disks 12, 13 by the slide rods 11, 11, ..., so that the respective work holding tools 20, 20', 28, 28 '
Is rotated by 90 degrees to move the work holding tool 28 'holding the work 60 to the upper vertical position.

At this time, the two holding pieces 44, 44 'of the work-feeding device B are in a vertical state, and the belt holding members 49, 49' on both sides come into contact with and hold the moving conveyor belt 57. In this state, the workpiece feeding device B is about to move to the left side in FIG. 1 together with the conveyor belt 57, but the movement is blocked by driving the return air cylinder 54 to the exit side. When both opening / closing cylinders 37, 37 'are driven to the entrance side, both links 41,
42 is opened, and the gripping pieces 44, 44 'on both sides are rotated about the pin 47, the gap between the two open plates 48, 48' is narrowed, and the actuating portion 58 of the conveyor belt 57 is pressed to hold the gripping portion at the lower end. Open 59 intervals.

On the other hand, the cylinder 27 of the work moving device A is driven to the exit side to raise the work holding tool 28 ', and the end of the work 60 is inserted between the holding parts 59, 59 ,. After that, when both opening / closing cylinders 37, 37 'are driven to the exit side, both links 41, 42 move in the closing direction, the space between both open plates 48, 48' is widened, and the operating portion 58 is released, the holding portion 59 is opened. , 59, ... are narrowed and hold the end of the work 60. When the return air cylinder 54 is opened to the atmosphere after the work 60 is held, both the holding pieces 44, 4 are held.
4'belt holding member 49, transport belt 57 of 49 '
The holding belts 30 and 30 'of the workpiece feeding device B are moved to the left side by the guide rods 5 and 6 together with the conveying belt 59 by the holding of the disc 13 and are joined by the joining piece 35'.
As a result, the workpiece moving device A moves to the left.

During the movement to the left side, the cylinder 27 is moved to the entrance side to lower the work holding tool 28 ', and the work 6
0 is released. If the work 60 can move independently with the conveyor belt 57, the transfer work is completed. Therefore, compressed air is sent to the return air cylinder 54, and both holding plates 30, 30 'and the disks 12, 13 are moved to their original positions. Return to.
After that, the lifting cylinder 33 'is driven to the entrance side to raise the coupling piece 35' to open the disc 13. After that, on the contrary, the right lifting cylinder 33 is driven to the exit side to connect the coupling piece 35.
And the disk 12 is fitted into the fitting portion 34. At this time, the work holding tool 20 'is in the horizontal position, and by repeating the above operation, the connecting pieces 35, 35' are alternately operated to move the work holding tools 20, 20 ', 28, 28' horizontally. During that time, the work 60 is supplied to the gripping portions 59, 59, ... Of the transport belt 57. Then, the conveyor belt 57 is moved to various processing devices such as a plating tank to perform surface treatment.

[0018]

Since the present invention has the above-described structure and operation, the work holding device can be moved by the movement of the conveyor belt by the connection of the connecting piece and the disk, and the work holding tools can be synchronized as in the conventional case. It is possible to reliably supply the work without the need for means.

[0019]

[Brief description of drawings]

FIG. 1 is a front view of an article feeding / conveying apparatus of a surface treatment apparatus according to the present invention.

FIG. 2 is a plan view thereof.

FIG. 3 is a sectional view taken along line CC in FIG.

FIG. 4 is a sectional view taken along the line DD in FIG.

[Explanation of symbols]

 A Workpiece moving device B Workpiece feeding device 1 Support plate 2 Support plate 3 Connecting rod 4 Connecting rod 5 Guide rod 6 Guide rod 7 Actuator 8 Bearing tool 9 Rotating disc 10 Rotating disc 11 Sliding rod 12 Disc 13 Disc 14 Sliding pipe 15 Slide tube 16 Stopper 17 Fixing tool 18 Cylinder 19 Rod 20 Work holding tool 20 'Work holding tool 21 Fixed holding part 22 Opening / closing holding part 23 Projection part 24 Actuator 25 Rotating shaft 26 Fixing part 27 Cylinder 28 Work holding tool 28' Work holding part Tool 30 Holding plate 30 'Holding plate 31 Top plate 32 Guide member 32' Guide member 33 Elevating cylinder 33 'Elevating cylinder 34 Fitting portion 35 Coupling piece 35' Coupling piece 36 Holding member 36 'Holding member 37 Opening / closing cylinder 37' Opening / closing cylinder 38 rod 38 'rod 39 support tool 39 'Supporting tool 40 Actuating rod 41 Link 42 Link 43 Groove 44 Clamping piece 44' Clamping piece 45 Projecting piece 45 'Projecting piece 46 Pin retaining tool 46' Pin retaining tool 47 Pin 48 Opening plate 48 'Opening plate 49 Belt clamping member 49 ′ Belt holding member 50 Holding device 51 Rod 52 Nut 53 Spring 54 Returning air cylinder 55 Rod 56 Fixing plate 57 Conveying belt 58 Working part 59 Holding part 60 Work piece

Claims (2)

[Claims] 1. A guide rod is horizontally provided at opposite positions on both sides of an upper portion of support plates on both sides, and an actuator having a rotary disc is fixed to one of the support plates, and between the rotary disc and the rotary disc provided at the opposite position. Work piece moving device with multiple slide rods fixed to it, a disc inserted so that it can slide on the slide rods, a cylinder fixed to the disc, and a work holding tool that can open and close to hold the work attached to the rod. And a guide member provided at the end portion of the holding plates on both sides connected by a top plate is inserted into the guide rod, and a coupling piece having a fitting portion for fitting the disc is attached so as to be vertically movable, and between the holding plates on both sides. A conveyor belt is inserted, and at the lower end of the conveyor belt, there is provided a gripping portion for sandwiching the end portions of the workpiece in mutually opposite directions, and the top plate has a belt gripping member for sandwiching the conveyor belt from both sides and the gripping portion. Install an open plate to open An article feeding / conveying device for a surface treatment apparatus, wherein holding pieces on both sides of a beam are attached so as to be openable and closable, and a return air cylinder for returning the holding plate to the original position is provided on one of the holding plates. 2. A disk to be inserted into a slide rod is provided on both sides, cylinders are mounted at positions orthogonal to the disks on both sides, rods are mounted on both sides of the cylinder, work holding tools are mounted respectively, and holding plates on both sides are respectively mounted. 2. The article feeding / conveying device of the surface treating apparatus according to claim 1, wherein each of the coupling pieces into which one of the disks is fitted and coupled is attached so as to be vertically movable.