CN107777305A - A kind of PCB corners transmitting device and method - Google Patents

Abstract

The present invention relates to the technical field of conveying devices, in particular to a PCB corner transmission device, which includes a base, a first translation mechanism and a corner transmission mechanism are arranged side by side on the upper part of the base, and a There is a corner transmission mechanism. The corner transmission mechanism includes a bracket. Two lifting mechanisms are symmetrically arranged on the upper and lower parts of the bracket. The two lifting mechanisms are respectively equipped with an upper control motor and a lower control motor. The invention also proposes a A PCB corner transmission method is provided. The invention sets a pair of conical wheels to operate the corner of the PCB board, automatically completes the corner transportation, saves manpower, and has a simple structure and is easy to maintain.

Description

A PCB corner transmission device and method

technical field

The invention relates to the technical field of conveying devices, in particular to a PCB corner conveying device and method.

Background technique

Printed circuit board (PCB circuit board), also known as printed circuit board, is the provider of electrical connections for electronic components. Its development has a history of more than 100 years; its design is mainly layout design; the main advantage of using circuit boards is that it greatly reduces wiring and assembly errors, and improves automation and production labor rates. According to the number of layers of circuit boards, it can be divided into single-sided boards, double-sided boards, four-layer boards, six-layer boards and other multi-layer circuit boards.

The transmission device in the prior art generally only has a simple conveying function during transmission, and the PCB board sometimes needs to be rotated by a certain angle during the assembly process. This process is generally completed by manpower, which undoubtedly wastes time.

Contents of the invention

The purpose of the present invention is to solve the shortcomings of the prior art that corner transportation cannot be carried out, and propose a PCB corner transportation device and method.

In order to achieve the above object, the present invention adopts the following technical solutions:

A PCB corner transmission device is designed, including a base, a first translation mechanism and a second translation mechanism are arranged side by side on the upper part of the base, a corner transmission mechanism is arranged between the first translation mechanism and the second translation mechanism, and the The corner transmission mechanism includes a bracket, and the upper and lower parts of the bracket are symmetrically provided with two lifting mechanisms, and the two lifting mechanisms are respectively provided with an upper control motor and a lower control motor, and the output shafts of the upper control motor and the lower control motor are respectively An upper cone wheel and a lower cone wheel are connected, and the upper cone wheel is located directly above the lower cone wheel.

Preferably, the base includes a cabinet, and one side of the cabinet is rotatably installed with a cabinet door, and the first translation mechanism and the second translation mechanism are both arranged on the top of the cabinet, and the four corners of the bottom of the cabinet rotate Rollers are installed, and the bottom of the cabinet is provided with multiple movable feet.

Preferably, the movable legs include electric telescopic rods vertically fixed on the bottom of the cabinet, and the bottom ends of the electric telescopic rods are provided with circular frustum-shaped rubber pads.

Preferably, both the first translation mechanism and the second translation mechanism are belt conveyors.

Preferably, the support includes a bottom plate, the bottom plate is fixed on the top of the base, one side of the bottom plate is vertically connected with a vertical beam, the upper end of the vertical beam is horizontally connected with a top plate, and the lifting mechanism includes a vertically arranged guide rod, The guide rods of the two elevating mechanisms are respectively fixed on the bottom plate and the top plate, and a lifting bracket is slidably installed on the guide rods, and the upper cone wheel and the lower cone wheel are respectively rotatably mounted on one of the lifting brackets, and the lifting bracket The support is connected with one end of the lifting telescopic rod, and the other ends of the lifting telescopic rods of the two lifting mechanisms are respectively fixedly connected with the base plate and the top plate.

The present invention also proposes a PCB corner transmission method, comprising the following steps:

S1. Place the PCB board on the first translation mechanism, and transfer the PCB board through the first translation mechanism to complete the loading of the PCB board;

S2. Make the corner transmission of the PCB board according to the need:

A1. When the corner transmission is required, the lifting mechanism controls the upper cone wheel and the lower cone wheel to approach each other. At this time, when the PCB board passes between the two cone wheels, the two cone wheels are rotating under the control of the motor. The linear velocity of the narrower part of the top of the cone wheel is smaller than the linear velocity of the wider part of the bottom, the PCB board rotates around the top of the cone wheel under the action of friction, and the rotation angle of the PCB board can be controlled by changing the taper of the cone wheel;

A2. When there is no need for corner transmission, the lifting mechanism controls the upper cone wheel and the lower cone wheel to keep away from each other, and the PCB board does not contact the two cone wheels;

S3. The PCB board passes through the second translation mechanism, and the PCB board is transported in translation through the second translation mechanism, and the blanking of the PCB board is completed.

A PCB corner transmission device and method proposed by the present invention has the beneficial effect that: the present invention sets a pair of conical wheels to operate the corner of the PCB board, and through the difference in radius between the front and rear of the conical wheels, the lines at different radii during the rotation process are generated. The difference in speed accelerates different parts of the circuit board to realize the rotation of the circuit board, and the rotation angle can be adjusted by adjusting the taper of the conical wheel, automatically completing the corner transportation, saving manpower, and the structure is simple and easy to maintain. In addition, through The lifting mechanism can adjust the distance between the cone wheels, so that you can freely choose whether to rotate the angle. By changing the taper of the cone wheels, you can adjust the rotation angle of the PCB board, which is widely used.

Description of drawings

Fig. 1 is the structural representation of a kind of PCB corner transmission device and method proposed by the present invention;

FIG. 2 is a structural schematic diagram of a corner transmission mechanism of a PCB corner transmission device and method proposed by the present invention.

In the figure: cabinet body 1, first translation mechanism 2, corner transmission mechanism 3, second translation mechanism 4, cabinet door 5, movable foot 6, roller 7, bottom plate 8, lower cone wheel 9, upper cone wheel 10, lifting bracket 11. Vertical beam 12, guide rod 13, top plate 14, lifting telescopic rod 15, upper control motor 16, lower control motor 17.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

Referring to Figure 1-2, a PCB corner transmission device includes a base, and a first translation mechanism 2 and a second translation mechanism 4 are arranged side by side on the upper part of the base, and the first translation mechanism 2 and the second translation mechanism 4 are belt conveyors . The base includes a cabinet body 1, one side of the cabinet body 1 is rotated with a cabinet door 5, the first translation mechanism 2 and the second translation mechanism 4 are located on the top of the cabinet body 1, and the four corners of the bottom of the cabinet body 1 are rotated and installed with rollers 7 , The bottom of the cabinet body 1 is provided with a plurality of movable feet 6 . Movable support foot 6 comprises the electric telescoping link that is vertically fixed on the bottom of cabinet body 1, and the bottom end of electric telescoping link is provided with the rubber cushion block of round table shape. The first translation mechanism 2 and the second translation mechanism 4 are respectively used for loading and unloading of PCB boards, which only have the function of horizontal conveying, and will not cause the steering of PCB boards. The rollers 7 facilitate the movement of the cabinet body 1, and the movable legs 6 It is convenient to fix the position of the cabinet body 1 .

A corner transmission mechanism 3 is provided between the first translation mechanism 2 and the second translation mechanism 4. The corner transmission mechanism 3 includes a bracket, and the upper and lower parts of the bracket are symmetrically provided with two lifting mechanisms. Motor 16 and following control motor 17, the output shaft of last control motor 16 and following control motor 17 is connected with upper cone wheel 10 and following cone wheel 9 respectively, and last cone wheel 10 is positioned at following cone wheel 9 just above. The lifting mechanism is used to control the distance between the upper cone wheel 10 and the lower cone wheel 9. When the PCB board needs to be transported at a corner, the two cone wheels are close to each other, and the PCB board can be in contact with the surface of the two cone wheels. The two cone wheels rotate under the action of the control motor. Since the linear velocity of the narrower part of the top of the two cone wheels is smaller than the linear velocity of the wider part of the bottom, the PCB board rotates around the top of the cone wheel under the action of friction. By changing the cone wheel The taper can control the rotation angle of the PCB board. When there is no need for corner transportation, the two cone wheels are far away from each other, and the PCB board does not contact the surface of the cone wheel when it passes by, realizing non-corner transportation.

The support includes a bottom plate 8, the bottom plate 8 is fixed on the top of the base, one side of the bottom plate 8 is vertically connected with a vertical beam 12, and the upper end of the vertical beam 12 is horizontally connected with a top plate 14, and the lifting mechanism includes a vertically arranged guide rod 13, two lifting mechanisms The guide rods 13 are respectively fixed on the base plate 8 and the top plate 14, the guide rods 13 are slidably installed with a lifting bracket 11, the upper cone wheel 10 and the lower cone wheel 9 are respectively rotated and installed on one of the lifting brackets 11, and the lifting bracket 11 is connected to the lifting bracket 11. One end of the telescopic rod 15 is connected, and the other ends of the lifting telescopic rod 15 of the two lifting mechanisms are fixedly connected with the base plate 8 and the top plate 14 respectively. Lifting telescopic link 15 is used to drive lifting support 11 to move up and down, thereby controls the distance between two cone wheels, and lifting telescopic link 15 is a hydraulic oil cylinder, and guide rod 13 plays the effect that lifting support 11 moves up and down direction.

The present invention also proposes a PCB corner transmission method, comprising the following steps:

S1. Place the PCB board on the first translation mechanism 2, and transfer the PCB board through the first translation mechanism 2 to complete the loading of the PCB board;

S2. Make the corner transmission of the PCB board according to the need:

A1. When the corner transmission is required, the lifting mechanism controls the upper cone wheel 10 and the lower cone wheel 9 to approach each other. At this time, when the PCB board passes between the two cone wheels, the two cone wheels are rotating under the control of the motor. Since the linear velocity of the narrower part of the top of the two cone wheels is smaller than the linear velocity of the wider part of the bottom, the PCB board rotates around the top of the cone wheel under the action of friction, and the rotation angle of the PCB board can be controlled by changing the taper of the cone wheel;

A2. When there is no need for corner transmission, the lifting mechanism controls the upper cone wheel 10 and the lower cone wheel 9 to move away from each other, and the PCB board does not contact the two cone wheels;

S3. The PCB board passes through the second translation mechanism 4, and the PCB board is transported in translation through the second translation mechanism 4, and the blanking of the PCB board is completed.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (6)

1. a kind of PCB corners transmitting device, including base, it is characterised in that：The upper parallel of the base is provided with the first translation Mechanism (2) and the second translation mechanism (4), corner is provided between first translation mechanism (2) and the second translation mechanism (4) and is transmitted Mechanism (3), the corner transmission mechanism (3) include support, and the upper and lower part of the support is arranged with two elevating mechanisms, Controlled motor (16) and lower controlled motor (17), the upper controlled motor (16) and lower control are respectively equipped with two elevating mechanisms The output shaft of motor (17) processed is connected to cone pulley (10) and lower cone pulley (9), and the upper cone pulley (10) is located at lower cone pulley (9) Surface.

A kind of 2. PCB corners transmitting device according to claim 1, it is characterised in that：The base includes cabinet (1), The side of the cabinet (1) is rotatablely equipped with cabinet door (5), and first translation mechanism (2) and the second translation mechanism (4) are each provided at At the top of cabinet (1), the bottom four corners of the cabinet (1) are rotatablely equipped with roller (7), and the bottom of cabinet (1) is provided with multiple work Dynamic leg (6).

A kind of 3. PCB corners transmitting device according to claim 2, it is characterised in that：The movable supporting leg (6) includes perpendicular The straight electric expansion bar for being fixed on cabinet (1) bottom, the bottom of the electric expansion bar is provided with round table-like rubber cushion blocks.

A kind of 4. PCB corners transmitting device according to claim 2, it is characterised in that：First translation mechanism (2) and Second translation mechanism (4) is belt conveyor.

A kind of 5. PCB corners transmitting device according to claim 1, it is characterised in that：The support includes bottom plate (8), Bottom plate (8) is fixed on base top, and the side of the bottom plate (8) is vertically connected with vertical beam (12), the upper end of the vertical beam (12) Horizontal connection has top plate (14), and the elevating mechanism includes the guide rod (13) being vertically arranged, the guide rod of two elevating mechanisms (13) be separately fixed on bottom plate (8) and top plate (14), be slidably fitted with lifting support (11) on the guide rod (13), it is described on Cone pulley (10) and lower cone pulley (9) are rotatably installed on one of lifting support (11) respectively, and the lifting support (11) is with rising One end connection of expansion link (15) drops, the other end of the lift telescopic bar (15) of two elevating mechanisms respectively with bottom plate (8) and top Plate (14) is fixedly connected.

6. a kind of PCB corners transmission method according to claim 1, it is characterised in that comprise the following steps：

S1, pcb board is placed on the first translation mechanism (2), pcb board is translated by the first translation mechanism (2) and conveyed, completed The feeding of pcb board；

S2, transmit pcb board corner as needed：

A1, when needing to carry out corner transmission, the upper cone pulley (10) of elevating mechanism control and lower cone pulley (9) are close to each other, now pcb board When by between two cone pulleys, now two cone pulleys rotate in the effect of controlled motor, due to narrower part at the top of two cone pulleys The linear speed divided is less than the linear speed of bottom wider portion, and pcb board, around the top rotation of cone pulley, leads under frictional force effect The anglec of rotation of pcb board can be controlled by crossing the taper of change cone pulley；

A2, when need not carry out corner transmission, the upper cone pulley (10) of elevating mechanism control and lower cone pulley (9) are located remotely from each other, pcb board not with Two cone pulley contacts；

S3, pcb board pass through the second translation mechanism (4), and translation conveying is carried out to pcb board by the second translation mechanism (4), complete The blanking of pcb board.