Method for preventing collision between welding torch and PCB (Printed Circuit Board)
A PCB board and welding torch technology, which is applied in the field of automatic soldering robots, can solve problems such as impacting PCB boards, and achieve the effect of protection from damage and good welding effect
Active Publication Date: 2013-03-27
廖怀宝
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Problems solved by technology
[0004] Therefore, in order to solve the problem that the high-speed movement of the welding torch hits the PCB board, the present invention proposes a method for preventing the welding torch from colliding with the PCB board
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[0010] In order to make the welding torch move downwards, the stroke can be effectively controlled without colliding with the PCB board. The invention makes some improvements on the mechanism of the welding robot, and adds a sensor. The installation position is as follows: figure 1 As shown, it is fixed on the linkage mechanism of the Z axis 2 of the robot (that is, the up and down movement axis, that is, the movement direction of the welding torch 3). The linkage mechanism of the Z-axis 2 includes a top plate 4 fixedly sleeved on the Z-axis. There is a column 5 under the top plate 4. The sensor 1 is installed on the column, which is connected with the control system of the soldering robot and feeds back signals to the control system. At the same time, a slide rail is also arranged on the column, and a welding slide plate 6 is installed on the slide rail. When the welding slide plate 6 moves with the column 5, it can also slide up and down along the slide rail by itself under t...
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The invention discloses a method for preventing collision between a welding torch and a PCB. The method is characterized by comprising the following steps that: (1) at first, a set of sensors and sensor chips are arranged on a linkage mechanism of a Z-axis of a welding machine, wherein the sensors and a control system are connected, and the sensor chips are linked with the welding torch, and according to a position relationship between the sensors and the sensor chips, when the welding torch normally works, the sensor chips are normally inserted into the sensors, but when the welding torch is collided with the PCB, the sensor chips are separated from the sensors; (2) two signals are loaded in the sensors according to a contact state of the sensor chips and the sensors, and then are transmitted to the control system in real time, wherein one signal is used for indicating the insertion of the sensor chips and the sensors, and the other signal is used for indicating the separation of the sensor chips and the sensors; and (3) the control system converts the received signal of the sensors into a drive instruction to a Z-axis motor. By virtue of the sensors and the sensing function of the sensors, the method can prevent the collision between the welding torch and the PCB so as to protect the welding torch and the PCB from being damaged.
Description
technical field [0001] The invention relates to a welding method for a PCB board, which is applied to the field of automatic soldering robots, and in particular relates to a method for preventing a welding torch from high-speed motion from hitting a PCB board during soldering operation. Background technique [0002] Automatic soldering robot is an automation system widely used in major factories and enterprises in China. It has the characteristics of stable performance, large working space, fast movement speed and strong load capacity. The welding quality is obviously better than manual welding, which greatly improves the welding operation. production efficiency. Its appearance will greatly reduce production costs and transform manual work into automatic operation of machines. Users can also adjust various parameters of the robot according to different welding processes to make the welding effect better. [0003] Due to the structural characteristics of the automatic solde...
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IPC IPC(8): B23K3/08
Inventor 廖怀宝
Owner 廖怀宝