PCB (Printed Circuit Board) conveying mechanism with wire leg detection function

Abstract

The utility model relates to a PCB (Printed Circuit Board) conveying mechanism with a wire leg detection function, which comprises a supporting assembly, the supporting assembly comprises a first guide rail arm and a second guide rail arm, and a positioning cavity for placing a PCB is formed between the first guide rail arm and the second guide rail arm; the first guide rail arm and / or the second guide rail arm are / is connected with a driving assembly used for driving the PCB to move on the upper side of the positioning cavity, a light sensing device is arranged on the supporting assembly, a light sensing area is formed in the position, corresponding to the lower side of the positioning cavity, of the light sensing device, and the light sensing device is electrically connected with an alarm device. According to the technical scheme, omission detection and overlong material lines at the bottoms of the PCBs can be detected and fed back to workers through the alarm device, the early warning effect is achieved, the workers can intervene in time, and therefore the machining quality of the PCBs can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB board processing equipment, in particular to a PCB board conveying mechanism with a pin detection function. Background Art

[0002] PCB (Printed Circuit Board) board, also known as printed circuit board or printed circuit board, is an indispensable component of electronic equipment. It can connect electronic components to each other through different forms of circuits to form a complete working circuit.

[0003] PCB boards usually require a transmission mechanism to move to the processing station. However, the plug-in material lines on the bottom surface of the PCB board may be missed or too long. If these missed or too long material lines are moved with the PCB board to the processing station, they will affect the processing quality of the PCB board.

[0004] Therefore, further improvement is needed. Utility Model Content

[0005] The purpose of the present invention is to overcome the deficiencies of the prior art and to provide a PCB conveying mechanism with a pin detection function, which can provide an early warning when a substandard PCB passes through a light sensing area, thereby improving the processing quality of the PCB.

[0006] The purpose of this utility model is achieved in this way:

[0007] A PCB conveying mechanism with a pin detection function includes a support assembly, the support assembly including a first guide arm and a second guide arm, a positioning cavity for placing the PCB board formed between the first guide arm and the second guide arm, a drive assembly for driving the PCB board to move on the upper side of the positioning cavity connected to the first guide arm and / or the second guide arm, a light sensing device is provided on the support assembly, the light sensing device forms a light sensing area corresponding to the position of the lower side of the positioning cavity, and the light sensing device is electrically connected to an alarm device.

[0008] As a specific solution, the light sensing device includes a first light sensing probe and a second light sensing probe, which are respectively arranged on the first guide arm and the second guide arm. The first light sensing probe and the second light sensing probe are arranged opposite to each other and form a light sensing area.

[0009] As a specific solution, the light sensing device further includes a control panel, the control panel is connected to the first light sensing probe and the second light sensing probe respectively via optical fiber communication, and the control panel is electrically connected to the alarm device.

[0010] As a specific solution, a support frame is provided on the outside of the first guide rail arm and the second guide rail arm, and a lifting device is connected to the bottom of the support frame. The support frame can drive the first guide rail arm and the second guide rail arm to move back and forth vertically through the lifting device.

[0011] As a specific solution, a fixing plate is provided under the support frame, and a mounting bracket is provided on the fixing plate. The mounting bracket is connected and cooperated with the control panel. A slide groove structure is provided between the mounting bracket and the control panel. The control panel forms different relative positions with the mounting bracket through the slide groove structure, and the control panel and the mounting bracket are installed and fixed by a screw device.

[0012] As a specific solution, the support frame is provided with several guide columns arranged along the width direction of the positioning cavity. The first guide rail arm is fixedly connected with a guide sleeve, and the guide sleeve is slidably sleeved with the guide column. The guide sleeve can drive the first guide rail arm to move back and forth along the width direction of the positioning cavity, so that the width of the positioning cavity can be increased or decreased.

[0013] As a specific solution, the driving assembly includes a motor, a main drive wheel and a main drive belt capable of driving the PCB board to move. The motor is fixed to the support frame, the main drive belt is movably connected to the first guide rail arm, and the main drive wheel is respectively connected to the motor and the main drive belt.

[0014] As a specific solution, the second guide arm is movably connected to a secondary drive wheel and a secondary drive belt that can drive the PCB board to move. The secondary drive wheel is connected to the secondary drive belt, and a transmission rod is connected to the secondary drive wheel. The main drive wheel drives the secondary drive wheel to rotate through the transmission rod.

[0015] The beneficial effects of the utility model are:

[0016] By setting up a light-sensing area on the lower side of the positioning cavity, missed inspections at the bottom of the PCB board and excessively long material lines can be detected and fed back to workers through an alarm device, which has the effect of early warning and enables workers to intervene in time, thereby improving the processing quality of the PCB board. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The structure of the embodiment of the utility model is shown in FIG. Figure 1 .

[0018] Figure 2 The structure of the embodiment of the utility model is shown in FIG. Figure 2 . DETAILED DESCRIPTION

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0020] See also Figure 1 、 Figure 2The PCB board conveying mechanism with the function of detecting line pins includes a supporting assembly, which includes a first guide arm 1 and a second guide arm 2. A positioning cavity for placing the PCB board is formed between the first guide arm 1 and the second guide arm 2. The first guide arm 1 and / or the second guide arm 2 are connected to a driving assembly for driving the PCB board to move on the upper side of the positioning cavity. A light sensing device is provided on the supporting assembly. The light sensing device forms a light sensing area at a position corresponding to the lower side of the positioning cavity. The light sensing device is electrically connected to an alarm device (not marked in the figure). When the bottom of the PCB board is missed or the material line that is too long passes through the light sensing area, the missed or too long material line at the bottom of the PCB board will be detected by the light sensing device.

[0021] The alarm device may be a sound alarm device, a light alarm device or a display screen device, which can be understood by those skilled in the art.

[0022] By setting up a light-sensing area on the lower side of the positioning cavity, missed inspections at the bottom of the PCB board and excessively long material lines can be detected and fed back to workers through an alarm device, which has the effect of early warning and enables workers to intervene in time, thereby improving the processing quality of the PCB board.

[0023] Furthermore, the light sensing device includes a first light sensing probe 31 and a second light sensing probe 32, which are respectively arranged on the first guide arm 1 and the second guide arm 2. The first light sensing probe 31 and the second light sensing probe 32 are arranged opposite to each other and form a light sensing area. When the material line at the bottom of the PCB board is missed or too long, it passes through the light sensing area between the first light sensing probe 31 and the second light sensing probe 32. The light path between the first light sensing probe 31 and the second light sensing probe 32 will be cut off, and the light sensing device will be able to receive the cutoff signal, thereby judging that there is a material line at the bottom of the PCB board that is missed or too long.

[0024] Furthermore, the light sensing device further includes a control board 3 , which is communicatively connected to the first light sensing probe 31 and the second light sensing probe 32 via optical fibers 33 , and the control board 3 is electrically connected to the alarm device.

[0025] Furthermore, a support frame 4 is provided on the outside of the first guide rail arm 1 and the second guide rail arm 2, and a lifting device 5 is connected to the bottom of the support frame 4. The support frame 4 can drive the first guide rail arm 1 and the second guide rail arm 2 to move back and forth vertically through the lifting device 5, so that the positioning cavity can be aligned with the height of the processing station.

[0026] Furthermore, a fixing plate 6 is provided below the support frame 4, and a mounting bracket 61 is provided on the fixing plate 6. The mounting bracket 61 is connected and cooperated with the control panel 3. A slide groove structure is provided between the mounting bracket 61 and the control panel 3. The control panel 3 forms different relative positions with the mounting bracket 61 through the slide groove structure. The control panel 3 and the mounting bracket 61 are installed and fixed by a screw device, so that the installation position of the control panel 3 is more flexible.

[0027] Furthermore, the support frame 4 is provided with a plurality of guide columns 41 arranged along the width direction of the positioning cavity. The first guide rail arm 1 is fixedly connected to the guide sleeve 11. The guide sleeve 11 is slidably mounted on the guide column 41. The guide sleeve 11 can drive the first guide rail arm 1 to move back and forth along the width direction of the positioning cavity, so that the width of the positioning cavity becomes larger or smaller, so that workers can adjust the width of the positioning cavity according to the width requirements of the PCB board, making the equipment more adaptable.

[0028] Furthermore, the driving assembly includes a motor 71, a main drive wheel 72 and a main drive belt 73 capable of driving the PCB board to move. The motor 71 is fixed to the support frame 4, the main drive belt 73 is movably connected to the first guide rail arm 1, and the main drive wheel 72 is respectively connected to the motor 71 and the main drive belt 73.

[0029] Furthermore, the second guide rail arm 2 is movably connected to a secondary transmission wheel 74 and a secondary drive belt 75 that can drive the PCB board to move. The secondary transmission wheel 74 is transmission-connected to the secondary drive belt 75. A transmission rod 76 is connected to the secondary transmission wheel 74. The main transmission wheel 72 drives the secondary transmission wheel 74 to rotate through the transmission rod 76, thereby improving the stability of the driving assembly when driving the PCB board to move.

[0030] The above embodiments are only preferred embodiments of the present invention, and other embodiments are possible. Those skilled in the art may make equivalent modifications or substitutions without violating the spirit of the present invention, and these equivalent modifications or substitutions are all within the scope set by the claims of this application.

Claims

1. A PCB board conveying mechanism with a pin detection function, comprising a support assembly, wherein the support assembly comprises a first guide rail arm (1) and a second guide rail arm (2), a positioning cavity for placing the PCB board is formed between the first guide rail arm (1) and the second guide rail arm (2), and a driving assembly for driving the PCB board to move on the upper side of the positioning cavity is connected to the first guide rail arm (1) and / or the second guide rail arm (2), characterized in that: The support assembly is provided with a light sensing device, and the light sensing device forms a light sensing area at a position corresponding to the lower side of the positioning cavity. The light sensing device is electrically connected to the alarm device.

2. The PCB conveying mechanism with pin detection function according to claim 1, characterized in that: The light sensing device comprises a first light sensing probe (31) and a second light sensing probe (32), wherein the first light sensing probe (31) and the second light sensing probe (32) are respectively arranged on the first guide rail arm (1) and the second guide rail arm (2), and the first light sensing probe (31) and the second light sensing probe (32) are arranged opposite to each other and form a light sensing area.

3. The PCB conveying mechanism with pin detection function according to claim 2, characterized in that: The light sensing device further comprises a control panel (3), wherein the control panel (3) is communicatively connected to the first light sensing probe (31) and the second light sensing probe (32) via optical fibers (33), and the control panel (3) is electrically connected to the alarm device.

4. The PCB conveying mechanism with pin detection function according to claim 3, characterized in that: A support frame (4) is provided on the outside of the first guide rail arm (1) and the second guide rail arm (2), and a lifting device (5) is connected to the bottom of the support frame (4). The support frame (4) can drive the first guide rail arm (1) and the second guide rail arm (2) to move back and forth in the vertical direction through the lifting device (5).

5. The PCB conveying mechanism with pin detection function according to claim 4, characterized in that: A fixing plate (6) is provided below the support frame (4), and a mounting bracket (61) is provided on the fixing plate (6). The mounting bracket (61) is connected and matched with the control panel (3). A slide groove structure is provided between the mounting bracket (61) and the control panel (3). The control panel (3) forms different relative positions with the mounting bracket (61) through the slide groove structure. The control panel (3) and the mounting bracket (61) are fixed by a screw device.

6. The PCB conveying mechanism with pin detection function according to claim 4, characterized in that: The support frame (4) is provided with a plurality of guide posts (41) arranged along the width direction of the positioning cavity. The first guide rail arm (1) is fixedly connected to a guide sleeve (11). The guide sleeve (11) and the guide post (41) are slidably sleeved together. The guide sleeve (11) can drive the first guide rail arm (1) to move back and forth along the width direction of the positioning cavity, thereby increasing or decreasing the width of the positioning cavity.

7. The PCB conveying mechanism with pin detection function according to claim 6, characterized in that: The driving assembly comprises a motor (71), a main transmission wheel (72) and a main driving belt (73) capable of driving the PCB board to move, the motor (71) is fixedly mounted on the support frame (4), the main driving belt (73) is movably connected to the first guide rail arm (1), and the main transmission wheel (72) is respectively connected to the motor (71) and the main driving belt (73) in a transmission manner.

8. The PCB conveying mechanism with pin detection function according to claim 7, characterized in that: The second guide rail arm (2) is movably connected to a secondary transmission wheel (74) and a secondary drive belt (75) capable of driving the PCB board to move. The secondary transmission wheel (74) is transmission-connected to the secondary drive belt (75). A transmission rod (76) is connected to the secondary transmission wheel (74). The main transmission wheel (72) drives the secondary transmission wheel (74) to rotate via the transmission rod (76).

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