CN219093918U

CN219093918U - PCBA quick tipping arrangement that electronic assembly trade used

Info

Publication number: CN219093918U
Application number: CN202223273879.6U
Authority: CN
Inventors: 王远鹏; 韩洁磊
Original assignee: Nanjing Panda Electronics Manufacturing Co Ltd
Current assignee: Nanjing Panda Electronics Manufacturing Co Ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-05-30
Anticipated expiration: 2032-12-07

Abstract

The utility model discloses PCBA rapid overturning equipment used in the electronic assembly industry, which comprises: the upper belt and the lower belt are transmitted to form a transmission channel, a clamping cylinder, a rotary table, a rotary servo motor and a synchronous belt; the conveying channel specifically comprises: the device comprises an upper guide rail, an upper guide rail transmission motor, a lower guide rail and a lower guide rail transmission motor; the upper guide rail transmission motor acts to control the transmission belt of the upper guide rail to rotate, and the lower guide rail transmission motor acts to control the transmission belt of the lower guide rail to rotate; the clamping cylinder acts to control the upper guide rail and the lower guide rail to clamp the PCBA; the rotary servo motor is connected with the rotary table through a synchronous belt to control the rotation of the rotary table. The utility model can complete the overturning and plate conveying action within 6.5-7 seconds, realizes no waste of running time, and saves more than 5 seconds compared with the overturning time before optimization.

Description

PCBA quick tipping arrangement that electronic assembly trade used

Technical Field

The utility model relates to novel equipment for overturning PCBA used in the electronic assembly industry, in particular to overturning equipment for coping with a high-production-beat production line and realizing stable and rapid overturning.

Background

PCBA is abbreviated as English Printed Circuit Board Assembly, that is, PCBA is abbreviated as PCB blank after SMT loading or whole manufacturing process of DIP plug-in

SMT is a surface mount technology (acronym for Surface Mounting Technology), known as surface mount or surface mount technology. Is one of the most popular techniques and technologies in the electronic assembly industry. DIP is a via plug-in process. Typically, SMT (SMD) processes use reflow to finish the solder, DIP typically uses wave soldering or a full-automatic DIP welder to finish the solder.

The online overturning equipment used in the existing electronic assembly industry is PLC controlled, has an SMEMA communication interface, is transmitted by a flat belt, and has unidirectional circulation capacity. The overturning action time of the stepping motor is long, and the transmission time of the stop plate detector and the stop mechanism before and after the overturning action is long, so that the stop plate detector and the stop mechanism are not applicable to short-beat DIP wire bodies and SMT wire bodies.

When the flat panel display device is used in a DIP wire body and an SMT wire body with short beats, the beats of the operation of the common flat panel display device are about 12-15 seconds, and the working beats of 7-12 seconds cannot be dealt with.

Disclosure of Invention

The utility model provides PCBA overturning equipment which optimizes overturning and transmission structures and is suitable for DIP wire bodies and SMT wire bodies with short beats.

The purpose of the utility model is that: the overturning and plate conveying actions are completed within 6.5-7 seconds, and no running time is wasted.

The technical scheme of the utility model is as follows:

novel PCBA tipping arrangement that DIP line body and SMT line body used, it includes:

a metal frame base is provided with 4 feet, so that the bottom of a conveyor is 10 cm higher than the ground, the longitudinal spacing of the feet is 40-50 cm, and the installation of the cable trunking of the SMT wire body is facilitated.

A turnover mechanism is composed of a servo motor for driving synchronous belt to rotate clockwise or anticlockwise. The rotation stop signal of the servo motor is controlled by a front photodetector and a rear photodetector.

A conveying guide rail consists of an upper conveying guide rail and a lower conveying guide rail, and PCBA can be clamped by the upper conveying guide rail and the lower conveying guide rail through the action of a clamping cylinder. The turning mechanism rotates to drive the upper guide rail and the lower guide rail to rotate together.

The two sides of the symmetrical position away from the turning center of the transmission guide rail are respectively provided with a stop plate detector, the positions of the two stop plate detectors are symmetrically adjustable back and forth according to the rotation axis, and the distance between the two stop plate detectors is longer than the processed PCBA running water direction plate by more than 10 mm.

The utility model provides a can satisfy the communication operation requirement between DIP line body and SMT line body equipment, realize having the board to send out the sending of board outgoing signal and give the lower computer, ask the sending host computer of board signal, receive the board signal that needs that the lower computer transmitted.

The beneficial effects of the utility model are that

Aiming at the short operation time of a specific station of an electronic assembly line body, the design scheme is optimized, so that the turnover plate conveying action can be completed within 6.5-7 seconds, no waste of running time is realized, and the turnover time is saved by more than 5 seconds compared with the turnover time before optimization. Main optimization point:

the overturning time is saved by utilizing the characteristic of high rotation speed of the servo motor; the detectors at the inlet side and the outlet side of the turning plate are arranged at the front-back symmetrical positions of the rotating shaft, the distance from the position to the center is half of the length of the PCBA board, and the transmission distance before and after turning is saved; the forward and reverse rotation alternate plate feeding mode is adopted, so that the overturning time is saved.

Drawings

Fig. 1 is a schematic structural view of the PCBA quick flip device of the present utility model.

Fig. 2 is a schematic view of the structure of the inner rotary table of the present utility model.

Figure 3 is a schematic front and back view of a single sided rail of the present utility model.

Detailed Description

The utility model is further illustrated below with reference to examples, but the scope of the utility model is not limited thereto:

1-3, a PCBA quick tipping arrangement for use in the electronics assembly industry, comprising: a conveying channel formed by conveying an upper belt and a lower belt, a clamping cylinder 12, a rotary table 5, a rotary servo motor 13 and a synchronous belt 11;

the conveying channel specifically comprises: an upper guide rail 4, an upper guide rail transmission motor 3, a lower guide rail 6 and a lower guide rail transmission motor 10; the upper guide rail transmission motor 3 acts to control the transmission belt of the upper guide rail 4 to rotate, and the lower guide rail transmission motor 10 acts to control the transmission belt of the lower guide rail 6 to rotate;

the clamping cylinder 12 acts to control the upper guide rail 4 and the lower guide rail 6 to clamp the PCBA;

the rotary servo motor 13 is connected to the control turntable 5 via the timing belt 11.

Preferably, the conveying channel further comprises an inlet collision avoidance detector 8 arranged at the inlet end of the conveying channel and an outlet collision avoidance detector 7 arranged at the outlet end of the conveying channel.

Preferably, the rotary table 5 is disposed in the middle of the transfer path.

Preferably, two sides of the rotary table 5 are respectively provided with a flap position inlet side detector 2 and a flap position outlet side detector 1; when the PCBA reaches the flap position outlet side detector 1 or the inlet side detector 2, the conveyance path stops conveyance and is prepared for rotation.

Preferably, the flap position inlet side detector 2 and the flap position outlet side detector 1 are symmetrically adjustable from front to back by taking the rotary table 5 as a rotary shaft; the distance between the flap position inlet side detector 2 and the flap position outlet side detector 1 is longer than the processed PCBA running water direction plate by more than 10 mm.

Preferably, the two sides of the rotary table 5 are correspondingly provided with an inlet side rotation stop detector 14 and an outlet side rotation stop detector 9; when the PCBA rotates under the action of the turntable 5, the shutter of the turntable 5 touches the inlet side rotation stop detector 14 or the outlet side rotation stop detector 9, and the rotation of the rotation servomotor 13 is stopped.

Preferably, the inlet side rotation stop detector 14 and the outlet side rotation stop detector 9 are symmetrically adjustable around the rotary table 5 as a rotation axis.

Preferably, the equipment further comprises a metal frame base, 4 feet are arranged on the metal frame base, the bottom of the conveyor is 10 cm away from the ground, the longitudinal spacing of the feet is 40-50 cm, and the installation of the SMT wire cable trunking is facilitated.

Preferably, the device further comprises a component for meeting the communication between the DIP line body and the SMT line body device, and the device is provided with a lower computer for sending out board outgoing signals, an upper computer for sending out board finding signals and a board needing signal sent by the lower computer.

The specific working process comprises the following steps:

1. the device of the utility model enters an operation state and sends out a signal for preparing to receive the board.

2. When the upper computer of the equipment transmits a plate, a plate transmitting signal is transmitted to the PCBA of the equipment for transmitting the marked line.

3. The PCBA enters the device according to the utility model along the lower guide rail 6, the lower guide rail is transmitted to rotate 10, the PCBA reaches the turnover position outlet detector 1 through the inlet anti-collision detector 8 and the turnover position inlet detector 2, and the lower guide rail 6 is transmitted to stop the belt from rotating.

4. The clamping cylinder 12 acts, and the upper guide rail 4 and the lower guide rail 6 clamp the PCBA.

5. The rotary servo motor 13 receives the pulse signal of the PLC and rotates to drive the synchronous belt 11, so that the rotary table 5 rotates anticlockwise, and when the rotary table baffle contacts the outlet side rotation stop detector 9, the rotary servo motor 13 stops rotating.

6. The clamping cylinder 12 is loosened, the upper guide rail 4 and the lower guide rail 6 are separated, and the device sends a plate outgoing signal to the lower computer.

7. The lower computer sends a ready signal to the device, the upper guide rail transmission motor 3 rotates, the PCBA leaves along the turnover position outlet detector 1 and the outlet anti-collision detector 7, and the PCBA reaches the transmission rail of the lower computer. The inventive apparatus signals the ready to receive board.

8. When the upper computer of the equipment transmits a plate, a plate transmitting signal is transmitted to the PCBA attached with the marking body.

9. The PCBA enters the device of the utility model along the upper guide rail 4 transmission belt (after the rotary table 5 rotates, the upper guide rail and the lower guide rail exchange positions, the upper guide rail rotates and then the lower guide rail rotates, and the lower guide rail rotates and then the upper guide rail rotates and goes to the upper surface.

10. The clamping cylinder 12 acts, and the upper guide rail 4 and the lower guide rail 6 clamp the PCBA.

11. The rotary servo motor 13 receives the pulse signal of the PLC and rotates to drive the synchronous belt 11, so that the rotary table 5 rotates clockwise, and when the rotary table baffle contacts the inlet side rotation stop detector 14, the rotary servo motor 13 stops rotating.

12. The clamping cylinder 12 is released, the upper guide rail 4 and the lower guide rail 6 are separated (the upper guide rail 4 is positioned above the lower guide rail 6 at the moment), and the device sends a plate outgoing signal to the lower computer.

13. The lower computer sends a ready signal to the device, the lower guide rail transmission motor rotates 10, the PCBA leaves along the turnover position inlet detector 2 and the outlet anti-collision detector 7, and reaches the transmission rail of the lower computer. The inventive apparatus signals the ready to receive board.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. PCBA quick tipping arrangement that electronic assembly trade used, characterized by that it includes: a conveying channel formed by conveying an upper belt group and a lower belt group, a clamping cylinder (12), a rotary table (5), a rotary servo motor (13) and a synchronous belt (11);

the conveying channel specifically comprises: an upper guide rail (4), an upper guide rail transmission motor (3), a lower guide rail (6) and a lower guide rail transmission motor (10); the upper guide rail transmission motor (3) acts to control the transmission belt of the upper guide rail (4) to rotate, and the lower guide rail transmission motor (10) acts to control the transmission belt of the lower guide rail (6) to rotate;

the clamping cylinder (12) acts to control the upper guide rail (4) and the lower guide rail (6) to clamp the PCBA;

the rotary servo motor (13) is connected with the control rotary table (5) through the synchronous belt (11); the rotary table (5) is connected with the upper guide rail (4) and the lower guide rail (6), and the rotation of the rotary table (5) drives the upper guide rail (4) and the lower guide rail (6) to rotate together.

2. The apparatus of claim 1, wherein the conveyor tunnel further comprises an inlet collision detector (8) disposed at an inlet end of the conveyor tunnel and an outlet collision detector (7) disposed at an outlet end of the conveyor tunnel.

3. The apparatus according to claim 1, characterized in that the rotary table (5) is arranged in the middle of the transfer channel.

4. The apparatus according to claim 1, characterized in that the two sides of the rotary table (5) are provided with a flap inlet side detector (2) and a flap outlet side detector (1), respectively; when the PCBA reaches the flap position outlet side detector (1) or the inlet side detector (2), the conveying channel stops conveying and is prepared for rotation.

5. The device according to claim 4, characterized in that the flap inlet side detector (2) and the flap outlet side detector (1) are symmetrically adjustable back and forth with the rotation table (5) as rotation axis; the distance between the flap position inlet side detector (2) and the flap position outlet side detector (1) is longer than the processed PCBA running water direction plate by more than 10 mm.

6. The apparatus according to claim 1, characterized in that the rotation table (5) is provided with an inlet side rotation stop detector (14) and an outlet side rotation stop detector (9) on both sides thereof; when the PCBA rotates under the action of the rotating table (5), the baffle of the rotating table (5) touches the inlet side rotation stop detector (14) or the outlet side rotation stop detector (9), and the rotation servo motor (13) stops rotating.

7. The apparatus according to claim 6, characterized in that the inlet side rotation stop detector (14) and the outlet side rotation stop detector (9) are adjustable in a front-rear symmetry with the rotation table (5) as a rotation axis.

8. The apparatus of claim 1, further comprising a metal frame base having 4 feet mounted such that the bottom of the conveyor is 10 cm above the ground with a longitudinal spacing of the feet of 40-50 cm to facilitate installation of the SMT line body cable trunking.

9. The apparatus of claim 1 further comprising means for satisfying communications between the DIP line and the SMT line apparatus, wherein the means for transmitting board outgoing signals is implemented by a lower computer, an upper computer for transmitting board outgoing signals, and a board outgoing signal transmitted by a lower computer.