Working frame alternate conveying mechanism for PCB exposure machine

Abstract

The utility model provides a work frame alternate conveying mechanism for a PCB exposure machine, and relates to the technical field of PCB alternate conveying, the work frame alternate conveying mechanism comprises a telescopic adsorption frame, an adsorption cavity is arranged in the telescopic adsorption frame, one end of the adsorption cavity is fixedly provided with a miniature vacuum pump through a hose, and an elastic gravity plate is fixedly arranged in a work frame. Compared with the prior art, the PCB conveying device has the advantages that the rotatable working frame is arranged to support and fix the working frame, so that the working frame drives the working frame to rotate according to conveying requirements, PCBs are driven to rotate by the rotating working frame, alternate conveying of the PCBs is achieved, the elastic gravity structure and the negative pressure adsorption structure are arranged in the working frame, and the working frame is convenient to operate. The PCB is conveniently controlled to be disassembled through the switch by utilizing the influence of gravity on the elastic gravity structure, and the PCB disassembly and assembly positions are set to be two different stations, so that the convenience of conveying the PCB by the working frame is improved, and the working efficiency is favorably improved.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB alternate conveying, in particular to a working frame alternate conveying mechanism for a PCB exposure machine. Background Art

[0002] PCBs play a crucial role in today's technological development. During PCB production, square PCBs need to be exposed. During this exposure process, a work frame is used to secure the PCBs. The PCBs are transported and removed by alternating the placement of work frames to ensure efficient exposure.

[0003] The existing PCB exposure machine uses a working frame alternating conveying mechanism to usually disassemble and assemble the PCB in one working frame, which is relatively wasteful and inconvenient to use. Utility Model Content

[0004] Therefore, the purpose of the present invention is to provide a working frame alternating conveying mechanism for a PCB exposure machine to solve the problems mentioned in the background technology and overcome the deficiencies in the prior art.

[0005] In order to achieve the above-mentioned purpose, an embodiment of one aspect of the present invention provides a working frame alternating conveying mechanism for a PCB exposure machine, including a PCB exposure working frame, an alternating motor is fixedly installed at one end of the PCB exposure working frame, three working frames are fixedly connected to the circumference of the PCB exposure working frame, a laser ranging sensor is fixedly installed inside the working frame, the laser ranging sensor signal is connected to the main control unit, the main control unit signal is connected to the telescopic adsorption frame, an adsorption chamber is opened inside the telescopic adsorption frame, a miniature vacuum pump is fixedly installed at one end of the adsorption chamber through a hose, an elastic gravity plate is fixedly installed inside the working frame, and a press switch is provided on one side of the elastic gravity plate.

[0006] Preferably, any of the above solutions has a movable groove adapted to the telescopic adsorption frame provided inside the working frame, and the laser ranging sensor is located on one side of the telescopic adsorption frame.

[0007] The above technical solution is adopted: the PCB exposure workbench is rotatably installed inside the exposure machine, and the alternating motor output power is controlled according to the use requirements to drive the PCB exposure workbench to rotate, so that the PCB exposure workbench drives the work frame to rotate, and the position of the work frame is adjusted. When the PCB is placed on one side of the work frame, the laser ranging sensor detects the distance between the PCB and the work frame.

[0008] Preferably, from any of the above schemes, the telescopic adsorption frame includes an electric telescopic rod and an adsorption plate, the electric telescopic rod is fixedly installed inside the working frame, and one end of the electric telescopic rod is fixedly installed with an adsorption plate movably connected to the working frame.

[0009] Preferably, any of the above schemes is that the adsorption chamber is opened inside the adsorption plate, one end of the adsorption plate is provided with an adsorption hole connected to the adsorption chamber, and the micro vacuum pump is fixedly installed at one end of the working frame.

[0010] The above technical solution is adopted: when the distance detected by the laser ranging sensor decreases, the electric telescopic rod is controlled to extend to push the adsorption plate closer to the PCB, so that the adsorption plate and the PCB are bonded together, and the micro vacuum pump is controlled to work to form negative pressure inside the adsorption chamber, and the negative pressure is used to adsorb and fix the PCB through the adsorption holes.

[0011] Preferably, from any of the above schemes, the elastic gravity plate includes a support spring and a gravity block, the support spring is fixedly installed inside the working frame, and one end of the support spring is fixedly installed with a gravity block movably connected to the working frame.

[0012] Preferably, any of the above solutions is provided with a guide rod at one end of the gravity block, and the guide rod passes through the support spring and is movably connected to the inside of the working frame.

[0013] Preferably, according to any of the above solutions, the push switch is located on one side of the gravity block, and the push switch is fixedly installed inside the working frame.

[0014] The above technical solution is adopted: when the working frame rotates to the lowest point, the gravity block stretches the support spring under the action of gravity, and the gravity block moves downward to press the push switch. After the push switch is pressed, the corresponding micro vacuum pump is controlled to stop working, releasing the adsorption of the PCB, so that the PCB can be unloaded by itself under the action of gravity. After the unloading is completed, the working frame is rotated away from the lowest point. After the gravity block is no longer affected by gravity, the support spring is reset to drive the gravity block away from the push switch, turning off the control of the push switch on the micro vacuum pump. During the movement of the gravity block, the guide rod is driven to move inside the working frame.

[0015] Compared with the prior art, the advantages and beneficial effects of the present invention are as follows:

[0016] 1. A rotatable work frame is set to support and fix the work frame, so that the work frame drives the work frame to rotate according to the transportation needs. The rotating work frame drives the PCB to rotate to realize the alternating transportation of the PCB. An elastic gravity structure and a negative pressure adsorption structure are set inside the work frame. The influence of gravity on the elastic gravity structure is used to facilitate the disassembly of the PCB through the switch. The positions of PCB disassembly and installation are set as two different work stations, which improves the convenience of conveying PCBs by the work frame and is conducive to improving work efficiency.

[0017] 2. A retractable adsorption structure is set inside the working frame to facilitate adsorption and fixation of the PCB according to its position, thereby improving the convenience of using the working frame.

[0018] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0020] Figure 1 It is a structural schematic diagram according to an embodiment of the present utility model;

[0021] Figure 2 This is a schematic structural diagram of an elastic gravity plate according to an embodiment of the present utility model;

[0022] Figure 3 Schematic diagram of the cross-sectional structure of the working frame according to an embodiment of the present utility model;

[0023] Figure 4 According to the embodiment of the present utility model Figure 3 Schematic diagram of the enlarged structure at A in the middle;

[0024] Among them: 1-PCB exposure work frame, 2-alternating motor, 3-working frame, 4-laser ranging sensor, 5-telescopic adsorption frame, 51-electric telescopic rod, 52-adsorption plate, 6-adsorption chamber, 7-micro vacuum pump, 8-elastic gravity plate, 81-support spring, 82-gravity block, 9-press switch, 10-guide rod, 11-adsorption hole. DETAILED DESCRIPTION

[0025] The present invention will be further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0026] like Figure 1-4As shown, an embodiment of the utility model is a working frame alternating conveying mechanism for a PCB exposure machine, comprising a PCB exposure working frame 1, an alternating motor 2 being fixedly mounted at one end of the PCB exposure working frame 1, three working frames 3 being fixedly connected to the circumference of the PCB exposure working frame 1, a laser ranging sensor 4 being fixedly mounted inside the working frame 3, the signal of the laser ranging sensor 4 being connected to the main control unit, the signal of the main control unit being connected to the telescopic adsorption frame 5, an adsorption chamber 6 being provided inside the telescopic adsorption frame 5, a miniature vacuum pump 7 being fixedly mounted at one end of the adsorption chamber 6 through a hose, an elastic gravity plate 8 being fixedly mounted inside the working frame 3, and a press switch 9 being provided on one side of the elastic gravity plate 8.

[0027] Preferably, any of the above solutions has a movable groove adapted to the telescopic adsorption frame 5 , and the laser ranging sensor 4 is located on one side of the telescopic adsorption frame 5 .

[0028] The above technical solution is adopted: the PCB exposure workbench 1 is rotatably installed inside the exposure machine, and the alternating motor 2 is controlled to output power to drive the PCB exposure workbench 1 to rotate according to the needs of use, so that the PCB exposure workbench 1 drives the work frame 3 to rotate, and the position of the work frame 3 is adjusted. When the PCB is placed on one side of the work frame 3, the laser ranging sensor 4 detects the distance between the PCB and the work frame 3.

[0029] Preferably, from any of the above schemes, the telescopic adsorption frame 5 includes an electric telescopic rod 51 and an adsorption plate 52 , the electric telescopic rod 51 is fixedly installed inside the working frame 3 , and one end of the electric telescopic rod 51 is fixedly installed with an adsorption plate 52 movably connected to the working frame 3 .

[0030] Preferably, any of the above schemes is that the adsorption chamber 6 is opened inside the adsorption plate 52 , one end of the adsorption plate 52 is provided with an adsorption hole 11 connected to the adsorption chamber 6 , and the micro vacuum pump 7 is fixedly installed at one end of the working frame 3 .

[0031] The above technical solution is adopted: when the distance detected by the laser ranging sensor 4 decreases, the electric telescopic rod 51 is controlled to extend and push the adsorption plate 52 closer to the PCB, so that the adsorption plate 52 and the PCB are in contact with each other, and the micro vacuum pump 7 is controlled to work to form a negative pressure inside the adsorption chamber 6, and the negative pressure is used to adsorb and fix the PCB through the adsorption holes 11.

[0032] Preferably, from any of the above schemes, the elastic gravity plate 8 includes a support spring 81 and a gravity block 82 , the support spring 81 is fixedly installed inside the working frame 3 , and one end of the support spring 81 is fixedly installed with a gravity block 82 movably connected to the working frame 3 .

[0033] Preferably, any of the above solutions is that a guide rod 10 is provided at one end of the gravity block 82 , and the guide rod 10 passes through the support spring 81 and is movably connected to the inside of the working frame 3 .

[0034] Preferably, according to any of the above solutions, the push switch 9 is located on one side of the gravity block 82 , and the push switch 9 is fixedly installed inside the working frame 3 .

[0035] The above technical solution is adopted: when the working frame 3 is rotated to the lowest point, the gravity block 82 stretches the support spring 81 under the action of gravity, and the gravity block 82 moves downward to press the push switch 9. After the push switch 9 is pressed, the corresponding micro vacuum pump 7 is controlled to stop working, releasing the adsorption of the PCB, so that the PCB can be unloaded by itself under the action of gravity. After the unloading is completed, the working frame 3 is rotated away from the lowest point. After the gravity block 82 is no longer affected by gravity, the support spring 81 is reset to drive the gravity block 82 away from the push switch 9, turning off the control of the push switch 9 on the micro vacuum pump 7. During the movement of the gravity block 82, the guide rod 10 is driven to move inside the working frame 3.

[0036] The utility model is a working frame alternate conveying mechanism for a PCB exposure machine, and its working principle is as follows:

[0037] Place the PCB on one side of the working frame 3. The laser ranging sensor 4 detects signal changes and controls the electric telescopic rod 51 to push the adsorption plate 52 and the PCB to fit together. The micro vacuum pump 7 is controlled to make the adsorption plate 52 adsorb and fix the PCB. The alternating motor 2 is controlled to drive the PCB exposure working frame 1 to drive the working frame 3 to rotate.

[0038] Compared with the prior art, the present invention has the following beneficial effects:

[0039] 1. A rotatable work frame is provided to support and fix the work frame 3, so that the work frame drives the work frame 3 to rotate according to the conveying requirements, and the rotating work frame 3 drives the PCB to rotate to realize the alternating conveying of the PCB. An elastic gravity structure and a negative pressure adsorption structure are provided inside the work frame 3. The influence of gravity on the elastic gravity structure is utilized to facilitate the disassembly of the PCB by controlling the switch, and the positions for disassembly and installation of the PCB are set to two different work stations, thereby improving the convenience of conveying the PCB by the work frame and improving the work efficiency.

[0040] 2. A retractable adsorption structure is provided inside the working frame 3 to facilitate adsorption and fixation of the PCB according to its position, thereby improving the convenience of using the working frame 3.

Claims

1. A working frame alternating conveying mechanism for a PCB exposure machine, characterized by: The invention comprises a PCB exposure work frame (1), wherein an alternating motor (2) is fixedly mounted on one end of the PCB exposure work frame (1), three work frames (3) are fixedly connected to the circumference of the PCB exposure work frame (1), a laser distance sensor (4) is fixedly mounted inside the work frame (3), the laser distance sensor (4) is signal-connected to a main control unit, the main control unit is signal-connected to a telescopic adsorption frame (5), an adsorption chamber (6) is provided inside the telescopic adsorption frame (5), a micro vacuum pump (7) is fixedly mounted on one end of the adsorption chamber (6) via a hose, an elastic gravity plate (8) is fixedly mounted inside the work frame (3), and a push switch (9) is provided on one side of the elastic gravity plate (8).

2. The working frame alternating conveying mechanism for a PCB exposure machine according to claim 1, characterized in that: A movable groove adapted to the telescopic adsorption frame (5) is provided inside the working frame (3), and the laser distance measuring sensor (4) is located on one side of the telescopic adsorption frame (5).

3. The working frame alternating conveying mechanism for a PCB exposure machine according to claim 2, characterized in that: The telescopic adsorption frame (5) comprises an electric telescopic rod (51) and an adsorption plate (52); the electric telescopic rod (51) is fixedly mounted inside the working frame (3); and one end of the electric telescopic rod (51) is fixedly mounted with the adsorption plate (52) movably connected to the working frame (3).

4. The working frame alternating conveying mechanism for a PCB exposure machine according to claim 3, characterized in that: The adsorption chamber (6) is provided inside the adsorption plate (52), one end of the adsorption plate (52) is provided with an adsorption hole (11) connected to the adsorption chamber (6), and the micro vacuum pump (7) is fixedly mounted on one end of the working frame (3).

5. The working frame alternating conveying mechanism for a PCB exposure machine according to claim 4, characterized in that: The elastic gravity plate (8) comprises a support spring (81) and a gravity block (82); the support spring (81) is fixedly mounted inside the working frame (3); and one end of the support spring (81) is fixedly mounted with a gravity block (82) movably connected to the working frame (3).

6. The working frame alternating conveying mechanism for a PCB exposure machine according to claim 5, characterized in that: A guide rod (10) is provided at one end of the gravity block (82), and the guide rod (10) passes through the support spring (81) and is movably connected to the inside of the working frame (3).

7. The working frame alternating conveying mechanism for a PCB exposure machine according to claim 6, characterized in that: The push switch (9) is located on one side of the gravity block (82), and the push switch (9) is fixedly installed inside the working frame (3).

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