CN216930706U - SMT (surface mount technology) board suction machine with PCB (printed circuit board) cleaning function - Google Patents

Abstract

An SMT suction plate machine with PCB cleaning function, comprising: the SMT board sucking machine comprises a SMT board sucking machine main body, a PCB detector and a control circuit board, wherein the SMT board sucking machine main body is provided with a plurality of suction nozzles and the PCB detector is arranged below the suction nozzles and used for sending a first switching signal when a PCB is placed on a workbench below the suction nozzles; a switching unit including an electromagnetic valve and a timing device, the electromagnetic valve being assembled between a vacuum pipe and a high pressure air pipe, the vacuum pipe and the high pressure air pipe being selectively communicated with the gas delivery pipe through the electromagnetic valve, the electromagnetic valve being electrically connected to the PCB detector, the high pressure gas pipe and the gas delivery pipe being communicated after receiving the first switching signal, the timing device being connected to the electromagnetic valve, the timing device sending a second switching signal to the electromagnetic valve when a predetermined time is reached, the electromagnetic valve being communicated with the vacuum pipe and the gas delivery pipe; and a negative ion generator electrically connected to the PCB detector.

Description

SMT (surface mount technology) board suction machine with PCB (printed circuit board) cleaning function

Technical Field

The utility model relates to a pluggable module of a server.

Background

A board suction machine is usually installed at the foremost end of a surface mount technology (smt) assembly line to replace manual work for placing a Printed Circuit Board (PCB) uninterruptedly, the board suction machine adopts the principle that a vacuum chuck is used for sucking and carrying the PCB (printed Circuit board), the PCB is usually vacuum-packed, so that the PAD (PAD) is scratched and damaged due to mutual friction between the PCB and the PCB, paper is usually adopted for protection and isolation, therefore, static electricity and paper scrap residue are easily generated, the quality of printed foreign matters is easily poor, and in order to avoid such a problem, a PCB cleaning device used in the market at present is expensive and high in cost, and occupies a workshop space.

In addition, the current plate sucking machine only executes plate sucking action, has no other functions and has single function.

Accordingly, the present invention provides an SMT board suction machine with a PCB cleaning function, which performs board suction and PCB cleaning simultaneously, and thus has multiple purposes, and saves cost and space.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide various SMT suction plate machines with PCB cleaning function, which can clean PCB while executing suction plate, and has multiple functions, thereby saving cost and space.

In order to solve the above technical problems, the present invention provides an SMT pick-up machine with a PCB cleaning function, comprising:

the SMT board sucking machine comprises a SMT board sucking machine main body, a PCB detector and a control circuit, wherein the SMT board sucking machine main body is provided with a plurality of suction nozzles and the PCB detector is arranged below the suction nozzles and used for sending a first switching signal when a PCB is placed on a workbench below the suction nozzles;

a switching unit including an electromagnetic valve and a timing device, the electromagnetic valve being assembled between a vacuum pipe and a high pressure air pipe, the vacuum pipeline and the high-pressure air pipeline are selectively communicated with the gas conveying pipeline through the electromagnetic valve, the electromagnetic valve is electrically connected with the PCB detector, and is communicated with the high-pressure gas pipeline and the gas conveying pipeline after receiving the first switching signal, so that the high-pressure gas flows through the gas conveying pipeline from the high-pressure gas pipeline and is conveyed to the plurality of suction nozzles, the timing device is connected with the electromagnetic valve and is used for starting timing when the electromagnetic valve is communicated with the high-pressure gas pipeline and the gas conveying pipeline, and when the preset time is reached, the timing device sends a second switching signal to the electromagnetic valve, and the electromagnetic valve is communicated with the vacuum pipeline and the gas conveying pipeline to enable the suction nozzles to generate an adsorption function; and

and the negative ion generator is electrically connected with the PCB detector and is used for receiving the first switching signal and generating negative ions after receiving the first switching signal, and the negative ion generator is connected with the high-pressure gas pipeline through a pipeline so that the generated negative ions are conveyed to the suction nozzles along with high-pressure air in the high-pressure gas pipeline.

Compared with the prior art, the SMT board suction machine with the PCB cleaning function has the advantages that the high-pressure gas pipeline is connected to the original SMT board suction machine main body, the electromagnetic valve is additionally arranged between the high-pressure gas pipeline and the vacuum pipeline so as to be switched timely, high-pressure gas is conveyed to the suction nozzle of the SMT board suction machine main body from the high-pressure gas pipeline before a board is sucked, so that the PCB is cleaned firstly, and then the board suction action is carried out, so that additional cleaning machines are not needed, the purchase cost is saved, and the occupied space is saved.

[ description of the drawings ]

FIG. 1 is a block diagram of an SMT pick-up machine with PCB cleaning function.

[ detailed description ] embodiments

Referring to fig. 1, the utility model provides an SMT pick-up machine with a PCB cleaning function, which includes a SMT pick-up machine main body 10, a switching unit 12 and a negative ion generator 13.

The SMT board sucking main body 10 is provided with a plurality of suction nozzles (not shown) and a PCB detector 100, wherein the PCB detector 100 is installed below the plurality of suction nozzles and used for sending a first switching signal when a PCB is placed on a worktable (not shown) below the plurality of suction nozzles.

The switching unit 12 includes an electromagnetic valve 120 and a timing device 121, the electromagnetic valve 120 is assembled between a vacuum pipeline and a high-pressure air pipeline, the vacuum pipeline and the high-pressure air pipeline are selectively connected to the gas transmission pipeline through the electromagnetic valve 120, the electromagnetic valve 120 is electrically connected to the PCB detector 100, and after receiving the first switching signal, the electromagnetic valve is connected to the high-pressure gas pipeline and the gas transmission pipeline, so that the high-pressure gas flows through the gas transmission pipeline from the high-pressure gas pipeline and is transmitted to the plurality of suction nozzles, and therefore, the high-pressure gas blown out of the suction nozzles can clean the PCB on the worktable. The timing device 121 is connected to the solenoid valve 120, and is configured to start timing when the solenoid valve 120 communicates with the high-pressure gas pipeline and the gas delivery pipeline, and when a preset time is reached, the timing device 121 sends a second switching signal to the solenoid valve 120, and the solenoid valve 120 communicates with the vacuum pipeline and the gas delivery pipeline, so that the plurality of suction nozzles generate an adsorption function, and perform normal work of adsorbing a PCB.

The negative ion generator 13 is electrically connected to the PCB detector 100, and is configured to receive the first switching signal and generate negative ions after receiving the first switching signal, and the negative ion generator 13 is connected to the high-pressure gas pipeline through a pipeline, so that the generated negative ions are conveyed to the suction nozzles along with high-pressure air in the high-pressure gas pipeline, and thereby, static electricity can be eliminated while the high-pressure air blows away foreign matters on the PCB.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (1)

1. An SMT suction plate machine with PCB cleaning function, comprising:

the SMT board sucking machine comprises a SMT board sucking machine main body, a PCB detector and a control circuit, wherein the SMT board sucking machine main body is provided with a plurality of suction nozzles and the PCB detector is arranged below the suction nozzles and used for sending a first switching signal when a PCB is placed on a workbench below the suction nozzles;

a switching unit including an electromagnetic valve and a timing device, the electromagnetic valve being assembled between a vacuum pipeline and a high-pressure air pipeline, the vacuum pipeline and the high-pressure air pipeline being selectively communicated with the gas transmission pipeline through the electromagnetic valve, the electromagnetic valve being electrically connected to the PCB detector, the high-pressure gas pipeline and the gas transmission pipeline being communicated after receiving the first switching signal, so that the high-pressure gas flows through the gas transmission pipeline from the high-pressure gas pipeline and is transmitted to the plurality of suction nozzles, whereby the high-pressure gas blown out of the suction nozzles can clean the PCB on the worktable, the timing device being connected to the electromagnetic valve for starting timing when the electromagnetic valve is communicated with the high-pressure gas pipeline and the gas transmission pipeline, the timing device sending a second switching signal to the electromagnetic valve when a preset time is reached, the electromagnetic valve is communicated with the vacuum pipeline and the gas conveying pipeline to enable the suction nozzles to generate an adsorption function; and

and the negative ion generator is electrically connected with the PCB detector and is used for receiving the first switching signal and generating negative ions after receiving the first switching signal, and the negative ion generator is connected with the high-pressure gas pipeline through a pipeline so that the generated negative ions are conveyed to the suction nozzles along with high-pressure air in the high-pressure gas pipeline.

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