SU1688470A1 - Device for piece-wise feeding of planar articles particularly printed circuit boards - Google Patents

Description

one

(21) 4480332/21

(22) 09/01/89

(46) 10.30.91.Byul. № 40 (72) I.S. Kozhin

(53) 621.319.4.002 (088.3)

(56) German Patent P 2643507, cl. B 65 N 3/24, 1977.

(54) DEVICE FOR THE DAILY FEEDING OF FLAT PRODUCTS, MOSTLY. PRINTED BOARDS

(57) The invention relates to the supply of radio components, in particular, to devices for single-piece feeding of flat products, preferably printed circuit boards. The purpose of the invention is to expand the operational capabilities by ensuring the supply of boards of various thicknesses, due to the fact that the cutter, made in the form of a bollard with supporting sleeves in which grooves for placing the boards are installed, is installed under the output end of the table 1 and between the table 1 and the support sleeves is the sensor presence boards. The supply of boards from table 1 to the support sleeves is stopped by a sensor signal that is triggered after one board enters the cut of the support sleeve. 6 Il.

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The invention relates to the supply of radio components, in particular, to devices for single-piece feeding of flat products, mainly printed circuit boards.

The purpose of the invention is to improve operational capabilities by ensuring the supply of boards of various thicknesses.

Lig.1 shows a device for the individual supply of products, mainly printed circuit boards, a general view; on Lig.2 - view A on fig.-1; on fig.Z - section bb in figure 2; figure 4 - section bb in figure 2; on fig.Z - type G in figure 4; figure 6 - node I in figure 4.

The device contains an inclined table 1 with an electromechanical lift 2 fixed on it, made in the form of a pusher connected to a drive mechanism, with a foot of printed circuit boards 3. Support sleeves 4 are mounted on the cutter shaft 5 by means of a keyed joint, which is fixed in a housing with the help of sliding bearings an inclined table 1 and through gear 6 is connected with an electromechanical drive 7. Gear 6 is fixed on the shaft 5 by means of a thrust washer 8, a disc spring 9 and a bolt 10. When braking the support sleeves 4 n 6, while rotating on process water 7 slides on the shaft 5. Sensor

the presence of boards, made in the form of a microswitch 11, is fixed to the case of the inclined table 1 between the support sleeves 4 by means of brackets 12. The screw 13 of the elevator 2 is fixed in the support plate 14 by means of a locking washer 15 and a clamp 16. on the bottom of the screw 13

The device works as follows.

The supply voltage of the device drives is turned on. The screw 13 of the electromechanical elevator 2 with the support plate 14 and the foot of the printed circuit boards 3 begins to slowly move upward. The movement of the foot of the printed circuit boards 3 is stopped.

The electromechanical drive 7 of rotation of the vap 5 is turned on by the commander

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volume periodically through a delay time that determines the frequency of unloading of printed circuit boards. Each time the drive is turned on, the support sleeves 4 with the shaft 5 are rotated successively 90. When the drive 7 is turned on, the shaft 5 with the support sleeves 4 begins to rotate. The first printed circuit board retains its position and slips over the rotating cylindrical surfaces of the support sleeves 4. When the groove on the support sleeves 4 opens under the circuit board, the printed circuit board falls into the grooves and begins to move along with the support sleeves 4. In the vertical position of these slots The drive shaft is turned off by the command device. I

As soon as the first printed circuit board is displaced from its initial position, microswitch 11 is activated and elevator 2 drive is activated. The stop of printed circuit boards 3 rises until the second printed circuit board drops the end surfaces of the cylindrical sleeves 4. At the next activation of the actuator 7, the first printed circuit board moves the sleeves 4 of their vertical position are horizontal and lie on the rollers of the receiving conveyor of the process equipment.

When the receiving conveyor rollers emergency stop, the printed circuit board is not pulled out of the grooves of the support sleeves 4 and when the drive 7 is turned on, brakes the rotation of shaft 5, and gear 6 starts to slip on shaft 5. In this case, the unloading of printed circuit boards of the foot 3 to the receiving conveyor is not performed.

Claims (1)

Invention Formula A device for single-piece feeding of flat products, mainly printed circuit boards, comprising an inclined table for accommodating a stack of boards, a pusher connected to a drive mechanism for moving the stack of boards and a cutter arranged in the form of a shaft with supporting sleeves in which longitudinal slots for placing boards, characterized in that, in order to expand operational capabilities by ensuring the supply of boards of various thicknesses, it is equipped with a board presence sensor placed between the table and the supports on the bushes kami cutter, while the cutter is located under the output end of the table to accommodate a stack of boards. Vida BUT .Fig. 2 Fig.Z 17 J FIG L Type G 4-1 - + - n / / J f . "five FIG. 6