JPS638150A - Sheet conveying positioner - Google Patents

Abstract

PURPOSE:To shorten a span of time for conveying and positioning of a sheet as well as to prevent it from damaged, by constituting the drive that makes a supply device and a delivery move up and down and another drive for a transfer device both so as to be done by the same driving source. CONSTITUTION:In operations moving a sheet 2 in a supplying device 1a onto a handling device 5 and a sheet 2a on this handling device 5 to a delivering device 6a, respectively, first each conveyor 4 of the supplying device 1a and the delivering device 6a gets going down simultaneously by cam drive. Next, levers 12 and 12a of a positioning device get going down in keeping a regular interval with these conveyors 4. Since these operations are regulated by the timing of a cam, they are accurate enough and almost over-lappable. Immediately after these levers 12 and 12a reach the lower limit, they start movement in the horizontal direction by a cam 24, and at that time, each tip of these levers 12 and 12a comes into contact with sheets 2 and 2', conveying these sheets up to the specified place.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application This invention relates to a thin plate conveying and positioning device for conveying, positioning, and unloading thin plates and the like.

2. Description of the Related Art A conventional thin plate conveying and positioning device of this type has a structure as shown in FIG. 1 is a supply means, and the thin plate 2 is conveyed to a position A by a conveyor 4 driven by a motor 3.

6 is a processing means, which positions the thin plate 2a according to NC commands and performs processing.

Reference numeral 6 denotes a carry-out means, which has the same structure as the supply means 1 and carries out the processed groove plate 2a to the next process.

Reference numeral 7 denotes a conveying and positioning device, which positions the thin plate 2 from the supply means 1 to the processing means 5 and conveys the thin plate 2a to the supply means 6.

In the above configuration, since the processing means 5 moves in the horizontal direction, the supply means 1. Each conveyor 4 of the delivery means 6 is held upward by four links 10 that swing around shafts 8 and 9 and a cylinder 11 that drives the links. On the other hand, the lever 12 of the transport positioning device 7.
The lever 12a is swingable around a horizontal pin 13 parallel to the conveying direction (Fig. 2), and the roller 14 provided on the lever 12.12a abuts against the rail 16 of the link 15. It is held upward by a driving cylinder 17.

The processing means 6 stops at a predetermined position, and the thin plate 2 is transferred to the processing means 5.
When the thin plate 2a is to be carried in and carried out to the carrying-out means 6, the link 10 is driven by the cylinder 11, the conveyor 4 is lowered, and the sheet 2a is moved to the processing means 6. After aligning the thin plate conveying heights of the unloading means 6 on the same plane, the cylinder 1
7 drives the link 15, lowers the levers 12, 12a, and moves the thin plates 2, 2a respectively to the corresponding levers 12.12.
& make it contact. The placket 18 holding the levers 12 and 128 is conveyed by the cylinder 20 along the guide 19 parallel to the conveying direction (carrying 2 to the position 2a)
.

After the conveyance operation is completed, the levers 12, 12a and the conveyor 4 are lifted upward again, and the lever 12.degree. 12a is returned to the right end, completing one cycle of conveyance positioning.

Problems to be Solved by the Invention However, in the above configuration, since cylinders are used to drive each operation, the following problems occur.

1. As shown in FIG. 6, each operation takes time t because it is performed sequentially after confirming the stroke limit and return limit of the cylinder.

2. With cylinder operation, it is not possible to accurately control the conveyance speed of the thin plate, and if an abnormality occurs during conveyance, it cannot be stopped on the spot. , which had the problem of being unsuitable.

SUMMARY OF THE INVENTION In view of the above problems, the present invention provides a thin plate conveying and positioning device that can accurately control the speed and convey even fragile thin plates at high speed.

Means for Solving the Problems In order to solve the above-mentioned problems, the thin plate conveying and positioning device of the present invention includes a supply means capable of vertical movement for supplying the thin plate, and a vertical movement of the supply means to remove the thin plate from the supply means. a positioning means capable of receiving and movable in a plane for positioning a thin plate at a predetermined position; a processing means for processing the thin plate positioned by the positioning means; The thin plate is comprised of a conveyance means for receiving the thin plate from the positioning means, and a transfer means for conveying the thin plate from the supply means to the positioning means or from the positioning means to the carry-out means.

The thin plate is configured to be driven by the same drive source for vertically moving the supply means and unloading means and for driving the transfer means so that the thin plate can be transferred from the supply means to the positioning means or from the positioning means to the conveyance means. The thin plate conveying and positioning device is configured such that the conveying means is driven via a cam, and further detects whether the conveying means is at a predetermined position at a predetermined time, and if not, drives the same drive source. It is equipped with a stopping means.

For production The effect of this technical means is as follows.

In other words, if the vertical movement of the thin plate feeding means and unloading means, as well as the vertical movement and positioning operation of the lever of the positioning means, are each driven by a cam driven by a single drive source, each movement can be controlled by the timing of the cam. Since the movement is accurately traced, there is no time loss when moving to the next movement while checking the end of one movement with a detector, unlike when individually driven by conventional cylinders, and there is no need to worry about the movement itself. Since it can be made smoothly along the cam curve, it can be conveyed at high speed and then stopped at low speed, and when a thin plate that is easily damaged is conveyed and positioned at extremely high speed, it is possible to achieve 7 -/'.

In addition, even if some abnormality occurs during transportation, all operations can be stopped at the same time.

As a result, a thin and fragile thin plate such as a ceramic printed circuit board can be positioned at high speed, and productivity can be improved.

Embodiment 1 A thin plate conveying and positioning device according to an embodiment of the present invention will be described below.

FIG. 1 shows the drive system of the present invention.

21 is a motor, which includes a pulley 22 and a timing belt 2.
3 drives the camshaft 24. The camshaft 24 has
The upper and lower cams 26 of the conveyor 4 of the supply means 1a and the delivery means 6
The timing belt 27 is attached to the upper and lower cams 26 of the conveyor 4 in a.
The pulley 28 for transmitting power and the upper and lower cams 30 of the lever 12° 12a of the conveying and positioning means 29. A moving cam 31 for the levers 12 and 12a is also attached.

The supply means 1a and the discharge means 6a have the same structure and consist of a conveyor 4 and a link 10 supporting it. Link 1
0 is driven by the upper and lower cams 26 of the conveyor 4 of the supply means 1a.
, or the displacement of the upper and lower cams 26 of the conveyor 4 of the carrying out means 6a is controlled by the cam lever 32° rod 33. This is done by rotating the shaft 36 via the lever 34, and the conveyor 4 moves up and down.

The vertical movement of the levers 12, 12a is achieved by driving the link 37 by the cam lever 36 to displace the vertical cam 3o.

The guide 38 parallel to the transport direction is moved up and down, and the row 2
Vertically swingable lever 12 abuts via 39
, 12a up and down. The configuration of the transport positioning means is as follows. A bracket 40 that holds the levers 12 and 12 and is movable along the conveyance direction is fixed to a timing belt 41. The displacement of the moving cam 31 is controlled by the lever 4.
A chain 43 is attached to the other end of this lever 42, which is biased by a cylinder 46 via a tin rocket 44, converts it into a rotational motion, and further moves the sprocket. 44 has Taimi 9”-.

A timing pulley 46 is integrally attached to the timing belt 41, and the timing belt 41 is driven by the timing pulley 46, thereby driving the linear movement of the plaquette 40.

Also, 47 has a lever 32°36 on each cam 25, 26, 30.
．． This is a spring for urging 42. Further, 48 is a detector for detecting the upper limit of the lever operation and the travel limit of the bracket 40, and 49 is an encoder for obtaining angle information for checking the state of these operations.

Next, FIG. 1 shows the operation in this embodiment.

This will be explained based on the timing charts of FIGS. 2 and 3. In the operation of moving the thin plate 2 on the supply means 1a onto the processing means 6 and the thin plate 2a on the processing means 5 to the carrying-out means 6a, first, the conveyors 4 of the supplying means 1a and the carrying-out means 6a are lowered simultaneously by cam drive. Start. Next, the lever 12.degree. 12a of the marking determining means begins to descend while maintaining a constant distance from the conveyor 4. These operations are regulated by cam timing, so they are accurate and are mostly overlough 1.
You can go to o. Immediately after the levers 12, 12a reach the lower limit,
Movement in the horizontal direction is started by the cam 24, at which time the tips of the levers 12, 12a abut against the thin plates 2, 2a and are transported to a predetermined location.

Conveyance is performed by cam drive, so the start and end are slow, and the middle is fast, allowing for smooth, high-speed movement. The process ends when levers 12 and 12a reach the limit, but at this time lever 1
The levers 12 and 12a rise, and the conveyor 4 starts to rise again while maintaining a constant gap by the cam, and the levers 12 and 12a rise.
, the conveyor 4 reaches its upper limit, and the processing means 6 holding the thin plate 2a is released from its stopped state. Then lever 12.12a
returns to the return limit with the curvature held at the upper limit.

In case of emergency, the machine is immediately stopped by the clutch brake attached to the motor 21. At the same time, in the direction of movement of the thin plate, the cam 31 is displaced toward the valley side, and in the event that an abnormality occurs, the cylinder 46 is moved by the electromagnetic pulp 6o.

11'\- is in the open state, and no force is applied to the thin plate in the direction of movement by the lever 12.12a.

As a result of the above, since the supply means 1 positioning means and the ejection means are operated by cams driven by the same drive source, there is no deviation in timing, and therefore each operation can be overlapped, minimizing wasted time. In addition, since the cam curve allows appropriate speed control, the operation itself can be made faster.

Furthermore, because the drive source is the same, each operation can be accurately checked based on the angle of the encoder, and even if an abnormality occurs, the entire operation can be stopped at once. When the thin plate is transported, damage to the thin plate can be avoided by utilizing the stroke of the cam toward the valley and by opening the cylinder.

Effects of the Invention The present invention provides a vertically movable supplying means for supplying a thin plate, and a positioning device that can receive the thin plate from the supplying means by vertically moving the supplying means, and is movable in a plane to position the thin plate at a predetermined position. With means.

processing means for processing the thin plate positioned by the positioning means; carrying-out means for receiving the thin plate from the positioning means by vertical movement after being processed by the processing means; and a transfer means for transferring the thin plate from the positioning means to the carry-out means, and the supply means and the carry-out means are moved up and down so that the thin plate can be transferred from the supply means to the positioning means or from the positioning means to the carry-out means. If the drive and the transfer means are driven by the same drive source, and if the transfer means is driven via a cam and it is not detected whether the transfer means is in a predetermined position at a predetermined time, the same By configuring the drive source to stop driving, it is possible to shorten the time for transporting and positioning the thin plate, and to prevent damage.

[Brief explanation of the drawing]

Fig. 1 is an overall perspective view of a thin plate conveying and positioning device according to an embodiment of the present invention, Fig. 2 is a side view of a part of the lever, Fig. 3 is a timing diagram, and Fig. 4 is an overall perspective view of a conventional example. FIG. 6 is a timing diagram of a conventional example, which is 13 bases per inch. 1... Supply means, 2, 2a... Thin plate,
4... Conveyor, 6... Processing means, 6
・・・・・・Export means, 1゜・・・・S7ri, 12
, 12a... Lever, 21 River... Motor, 2
4...Cam shaft, 26... mark, upper and lower cam, 26...
...Vertical cam, 27...Timing belt, 29...Transportation positioning means, 30...
...Vertical cam, 31...Movement cam, 32...
...Cam lever, 36... Own...Cam lever, 37.
...link, 38...kawa/gai)", 39...
・・・Roller, 4o・old・・Bracket, 41・old・・
Timing belt, 42, old lever, 43...
・・Chain, 44・・Sprocket, 45...
···Cylinder. 46... Timing pulley, 48...
Detector, 49... Encoder, 6o...
・Solenoid valve. Name of agent: Patent attorney Toshio Nakao Haga 1 person No. 5
Drawing Procedure Amendment (Method) September 1986 Japan Patent Application No. 147341, Name of Invention Thin Plate Conveying and Positioning Device 3 Relationship with the Person Who Makes Amendment Case Patent Application
Appointment Address: 1006 Kadoma, Kadoma City, Osaka Prefecture
Name (582) Matsushita Electric Industrial Co., Ltd. Representative Akio Tanii 4 Agent 571 Address 1006 Bold Kadoma, Kadoma City, Osaka Prefecture Inside Matsushita Electric Industrial Co., Ltd.

Claims (3)

[Claims] (1) A vertically movable supply means for supplying a thin plate; a positioning means capable of moving in a plane that can receive the thin plate from the supply means by vertically moving the supply means; and a plane movable positioning means for positioning the thin plate at a predetermined position; processing means for processing the thin plate positioned by the positioning means; carrying-out means for receiving the thin plate from the positioning means by vertical movement after being processed by the processing means; a transfer means for transferring the thin plate to the carry-out means, and a drive for moving the supply means and the carry-out means up and down so that the thin plate can be transferred from the supply means to the positioning means or from the positioning means to the carry-out means; A thin plate conveying and positioning device configured so that the means and the means are driven by the same drive source. (2) The thin plate conveying and positioning device according to claim 1, wherein the conveying means is driven via a cam. (3) Detecting whether the transport means is in a predetermined position at a predetermined time,
If not, the thin plate conveying and positioning device according to claim 1, configured to stop driving the same drive source.