A multifunctional PCB board test module

Abstract

The present invention provides a multifunctional PCB board test module, which relates to the field of PCB board testing. The multifunctional PCB board test module comprises a bottom plate, a fixing rod is fixedly connected to the upper side of the bottom plate, a top plate is fixedly connected to the upper end of the fixing rod, an alarm and a hydraulic cylinder are fixedly connected to the upper side of the top plate, an industrial camera is fixedly connected to the output end of the lower side of the hydraulic cylinder, a test unit and a pressure sensor are arranged on the upper side of the bottom plate, and the test unit comprises two fixing plates, both of which are fixedly connected to the upper side of the bottom plate, a motor is fixedly connected to the outer side of the fixing plate, and a control rod is rotatably connected between the two fixing plates. By providing an industrial camera, a horizontal groove, a slider, a vertical plate, a connecting pipe, a nozzle, a mounting rod, a placement plate and a clamping plate, it is convenient to clean the dust on the surface of the PCB board before performing an appearance defect test on the PCB board covered on the placement plate, thereby reducing the influence of dust on the test.

Description

Technical Field

[0001] The invention relates to the field of PCB board testing, in particular to a multifunctional PCB board testing module. Background Art

[0002] PCB, or Printed Circuit Board, is an important carrier for the electrical connection of electronic components. It is an indispensable component of various electronic devices by printing wires, electronic components and other parts on an insulating substrate. PCB can be designed in single or multi-layer, and each layer has a specific circuit path to achieve electrical connection between components.

[0003] When PCB boards are produced, industrial cameras are needed to test the appearance of PCB boards. Industrial cameras mainly use automatic optical inspection (AOI) technology to capture images of PCB boards through high-resolution industrial cameras and compare them with preset standard images to detect defects on PCB boards.

[0004] During the test, dust and impurities remain on the surface of the PCB. If the test is carried out directly, these dust and impurities will easily reduce the shooting quality and reduce the accuracy of the appearance defects of the PCB board. The staff needs to clean them up, which increases the workload of the staff. Summary of the invention

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the present invention provides a multifunctional PCB board test module, which solves the problem that surface dust affects the test accuracy during the appearance test of the PCB board.

[0007] (II) Technical solution

[0008] To achieve the above objectives, the present invention is implemented through the following technical solutions: a multifunctional PCB board test module, comprising a bottom plate, a fixing rod is fixedly connected to the upper side of the bottom plate, a top plate is fixedly connected to the upper end of the fixing rod, an alarm and a hydraulic cylinder are fixedly connected to the upper side of the top plate, an industrial camera is fixedly connected to the output end of the lower side of the hydraulic cylinder, and a test unit and a pressure sensor are arranged on the upper side of the bottom plate;

[0009] The testing unit comprises two fixed plates, both of which are fixedly connected to the upper side of the bottom plate, a motor 1 is fixedly connected to the outer side of the fixed plate, a control rod is rotatably connected between the two fixed plates, a flip plate is fixedly connected to the outer side of the control rod, a mounting rod is fixedly connected to the upper side of the flip plate, a placement plate is fixedly connected to the upper end of the mounting rod, a PCB board body is arranged on the upper side of the placement plate, a horizontal groove is provided on the front side of the flip plate, a slider is slidably connected to the inner side of the horizontal groove, a moving block is fixedly connected to the front side of the slider, a vertical plate is fixedly connected to the front side of the moving block, two rear blocks are fixedly connected to the rear side of the upper end of the vertical plate, a connecting pipe is fixedly connected between the two rear blocks, and a plurality of nozzles are fixedly connected to the rear side of the connecting pipe.

[0010] Preferably, the upper sides of the left and right ends of the placement plate are fixedly connected with top blocks, the upper side of the placement plate is provided with a slide groove, the inner sides of the left and right ends of the slide groove are slidably connected with control blocks, the outer side of the control block is fixedly connected with a clamping plate, and an electric push rod is fixedly connected between the top block and the clamping plate.

[0011] Preferably, the front side of the vertical plate is fixedly connected to a stabilizing block, the upper side of the stabilizing block is fixedly connected to a gas tank, the right side of the gas tank is fixedly connected to an air intake pipe, the inner side of the gas tank is rotatably connected to a rotating shaft 1, the outer side of the rotating shaft 1 is fixedly connected to a plurality of fan blades 1, the front side of the connecting pipe is fixedly connected to a fixed pipe, and a connecting pipe is fixedly connected between the gas tank and the fixed pipe.

[0012] Preferably, the front side of the flip plate is fixedly connected with a toothed plate, the upper side of the moving block is rotatably connected with rotating rod 1 and rotating rod 2, the outer side of the rotating rod 1 is fixedly connected with a large gear, the outer side of the rotating rod 2 is fixedly connected with a small gear, a rectangular hole is opened on the front side of the vertical plate, the upper end of the rotating shaft 1 passes through the upper side of the gas tank and the outer side and the outer side of the rotating rod 2 are fixedly connected with pulleys, and a belt is arranged between the two pulleys.

[0013] Preferably, the left side of the vertical plate is fixedly connected to an air box, the left side of the air box is fixedly connected to an exhaust pipe, the inner side of the air box is fixedly connected to a circular ring, the inner side of the air box is rotatably connected to a second rotating shaft, the outer side of the second rotating shaft is fixedly connected to a roller, the outer side of the roller is fixedly connected to a plurality of second fan blades, the rear end of the second rotating shaft passes through the rear side of the air box and is fixedly connected to a soft-hair roller on the outer side, and a branch pipe is fixedly connected between the circular ring and the fixed pipe.

[0014] Preferably, a one-way valve is provided on the outer side of the upper end of the fixed pipe.

[0015] Preferably, the toothed plate is meshingly connected to the large gear, and the large gear is meshingly connected to the small gear.

[0016] Preferably, two front blocks are fixedly connected to the front side of the flip plate, a screw is rotatably connected between the two front blocks, the screw is threadedly connected to the moving block, the left side of the front block is fixedly connected to motor 2, the motor 2 is fixedly connected to the outer end of the screw, and the left side of the right front block is fixedly connected to a switch.

[0017] (III) Beneficial effects

[0018] The present invention provides a multifunctional PCB board test module, which has the following beneficial effects:

[0019] By arranging an industrial camera, a horizontal groove, a slider, a vertical plate, a connecting pipe, a nozzle, a mounting rod, a placement plate and a clamping plate, it is convenient to clean the dust on the surface of the PCB board before performing an appearance defect test on the PCB board placed on the board cover, thereby reducing the influence of dust on the test.

[0020] By providing a vertical plate, an air box, a second rotating shaft, two fan blades, a soft-hair roller, a branch pipe and an exhaust pipe, it is convenient to control the rotation of the soft-hair roller when the nozzle cleans the dust, so as to facilitate the cleaning of the dust on the surface of the PCB board and increase the cleaning effect.

[0021] By providing a fixed plate, a control rod, a flip plate and a placement plate, it is convenient to screen the tested PCB boards, and it is convenient for the staff to screen out unqualified PCB boards, and the operation is simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is the overall three-dimensional structure diagram of the present invention;

[0023] Figure 2 is a three-dimensional structural diagram of a test unit of the present invention;

[0024] Figure 3 for Figure 2 The enlarged view of point A in the middle;

[0025] Figure 4 It is a partial three-dimensional structural diagram of the test unit in the present invention;

[0026] Figure 5 for Figure 4 The enlarged view of point B in the middle;

[0027] Figure 6 for Figure 4 Enlarged view of point C in the middle;

[0028] Figure 7 It is a three-dimensional structural diagram of the internal part of the test unit in the present invention;

[0029] Figure 8 is a three-dimensional structural diagram of another internal part of the test unit in the present invention;

[0030] Fig. 9 It is a top view of a three-dimensional structure of the test unit in the present invention.

[0031] Among them, 1, bottom plate; 2, fixing rod; 3, top plate; 4, alarm; 5, hydraulic cylinder; 6, industrial camera; 7, pressure sensor; 8, test unit; 801, fixing plate; 802, motor 1; 803, control rod; 804, flip plate; 805, mounting rod; 806, placement plate; 807, PCB board body; 808, slide; 809, control block; 810, clamping plate; 811, top block; 812, electric push rod; 813, front block; 814, screw; 815, motor 2; 816, switch; 817, tooth plate; 818, slider; 819, moving block; 820, vertical plate; 821. air box; 822. exhaust pipe; 823. stabilizing block; 824. gas tank; 825. air inlet pipe; 826. rotating rod one; 827. rotating rod two; 828. large gear; 829. small gear; 830. rectangular hole; 831. rotating shaft one; 832. pulley; 833. belt; 834. connecting pipe; 835. fan blade one; 836. fixing pipe; 837. ring; 838. roller; 839. fan blade two; 840. branch pipe; 841. one-way valve; 842. rear block; 843. connecting pipe; 844. nozzle; 845. rotating shaft two; 846. soft hair roller; 847. horizontal groove. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] Embodiment 1:

[0034] like Figure 1-Figure 9 As shown, a multifunctional PCB board test module includes a base plate 1, a fixing rod 2 is fixedly connected to the upper side of the base plate 1, the upper end of the fixing rod 2 is fixedly connected to the top plate 3, an alarm 4 and a hydraulic cylinder 5 are fixedly connected to the upper side of the top plate 3, an output end of the lower side of the hydraulic cylinder 5 is fixedly connected to an industrial camera 6, a test unit 8 and a pressure sensor 7 are arranged on the upper side of the base plate 1, a PLC controller is arranged on the outer side of the module, the PLC controller is electrically connected to the motor 1 802, the motor 2 815, the pressure sensor 7, the hydraulic cylinder 5, the alarm 4 and the industrial camera 6, the industrial camera 6 performs an appearance defect test on the PCB board body 807 by controlling the hydraulic cylinder 5 to drive the industrial camera 6 to descend.

[0035] The test unit 8 includes two fixed plates 801, both of which are fixedly connected to the upper side of the bottom plate 1, and the outer side of the fixed plate 801 is fixedly connected to a motor 802, and a control rod 803 is rotatably connected between the two fixed plates 801, and the outer side of the control rod 803 is fixedly connected to a flip plate 804, and the upper side of the flip plate 804 is fixedly connected to a mounting rod 805, and the upper end of the mounting rod 805 is fixedly connected to a placement plate 806, and a PCB board body 807 is arranged on the upper side of the placement plate 806, and a horizontal groove 847 is opened on the front side of the flip plate 804, and a slider 818 is slidably connected to the inner side of the horizontal groove 847, and a moving block 819 is fixedly connected to the front side of the slider 818, and a vertical plate 820 is fixedly connected to the front side of the moving block 819, and the vertical plate 820 is fixedly connected to the front side of the vertical plate 820. Two rear blocks 842 are fixedly connected to the rear side of the upper end of the plate 820, a connecting pipe 843 is fixedly connected between the two rear blocks 842, and a plurality of nozzles 844 are fixedly connected to the rear side of the connecting pipe 843. Top blocks 811 are fixedly connected to the upper sides of the left and right ends of the placement plate 806. A slide groove 808 is provided on the upper side of the placement plate 806. The inner sides of the left and right ends of the slide groove 808 are slidably connected to control blocks 809. A clamping plate 810 is fixedly connected to the outer side of the control block 809. An electric push rod 812 is fixedly connected between the top block 811 and the clamping plate 810. A stabilizing block 823 is fixedly connected to the front side of the vertical plate 820. A gas tank 824 is fixedly connected to the upper side of the stabilizing block 823. An air inlet pipe 825 is fixedly connected to the right side of the gas tank 824. The inner side is rotatably connected with a rotating shaft 831, and the outer side of the rotating shaft 831 is fixedly connected with a plurality of fan blades 835. The front side of the connecting pipe 843 is fixedly connected with a fixed pipe 836. A connecting pipe 834 is fixedly connected between the gas tank 824 and the fixed pipe 836. The front side of the flip plate 804 is fixedly connected with a toothed plate 817. The upper side of the moving block 819 is rotatably connected with a rotating rod 826 and a rotating rod 827. The outer side of the rotating rod 826 is fixedly connected with a large gear 828, and the outer side of the rotating rod 827 is fixedly connected with a small gear 829. A rectangular hole 830 is provided on the front side of the vertical plate 820. The upper end of the rotating shaft 831 passes through the upper side of the gas tank 824, and the outer side and the outer side of the rotating rod 827 are fixedly connected with a pulley 832. There is a pulley 832 between the two pulleys 832. A belt 833 is provided, a one-way valve 841 is provided on the outer side of the upper end of the fixed tube 836, the tooth plate 817 is meshed with the large gear 828, the large gear 828 is meshed with the small gear 829, the front side of the flip plate 804 is fixedly connected with two front blocks 813, a screw 814 is rotatably connected between the two front blocks 813, the screw 814 is threadedly connected with the moving block 819, the left side of the front block 813 is fixedly connected with a motor 2 815, the motor 2 815 is fixedly connected with the outer end of the screw 814, the left side of the right front block 813 is fixedly connected with a switch 816, when testing the PCB board body 807, first place the PCB board body 807 on the placement plate 806, and then control the electric push rod 812 to drive the clamping plate 810 to move,The left and right side clamps 810 clamp the PCB board body 807 to limit the position, which is convenient for the subsequent test. Then start the second motor 815, the second motor 815 drives the screw 814 to rotate, the screw 814 drives the moving block 819 to move, the moving block 819 drives the vertical plate 820 to move, the vertical plate 820 drives the rear block 842 and the connecting pipe 843 to move, the connecting pipe 843 drives the nozzle 844 to move horizontally, and at the same time, the moving block 819 drives the large gear 828 on the rotating rod 1 826 to move horizontally. Since the tooth plate 817 is meshed with the large gear 828, the large gear 828 rotates, the large gear 828 drives the small gear 829 to rotate, and the small gear 829 drives the rotating rod 2 827 to rotate. , the second rotating rod 827 drives the pulley 832 to rotate, and under the action of the belt 833, the second rotating rod 827 drives the first rotating shaft 831 to rotate, and the first rotating shaft 831 drives the first fan blade 835 to rotate. Under the action of the air inlet pipe 825, the external airflow enters the gas tank 824, and enters the connecting pipe 843 through the connecting pipe 834 and the fixed pipe 836, so that multiple nozzles 844 spray airflow on the PCB board body 807, and by controlling the horizontal movement of the nozzle 844, it is convenient to clean the dust on the surface of the PCB board body 807. When the moving block 819 contacts the switch 816, the second motor 815 rotates in the opposite direction, which is convenient to control the moving block 819 to move left and right repeatedly. ,

[0036] Embodiment 2:

[0037] like Figure 1-Figure 9 As shown, a multifunctional PCB board test module includes a base plate 1, a fixing rod 2 is fixedly connected to the upper side of the base plate 1, the upper end of the fixing rod 2 is fixedly connected to the top plate 3, an alarm 4 and a hydraulic cylinder 5 are fixedly connected to the upper side of the top plate 3, an output end of the lower side of the hydraulic cylinder 5 is fixedly connected to an industrial camera 6, a test unit 8 and a pressure sensor 7 are arranged on the upper side of the base plate 1, a PLC controller is arranged on the outer side of the module, the PLC controller is electrically connected to the motor 1 802, the motor 2 815, the pressure sensor 7, the hydraulic cylinder 5, the alarm 4 and the industrial camera 6, the industrial camera 6 performs an appearance defect test on the PCB board body 807 by controlling the hydraulic cylinder 5 to drive the industrial camera 6 to descend.

[0038] The test unit 8 includes two fixed plates 801, both of which are fixedly connected to the upper side of the bottom plate 1, and the outer side of the fixed plate 801 is fixedly connected to a motor 802, and a control rod 803 is rotatably connected between the two fixed plates 801, and the outer side of the control rod 803 is fixedly connected to a flip plate 804, and the upper side of the flip plate 804 is fixedly connected to a mounting rod 805, and the upper end of the mounting rod 805 is fixedly connected to a placement plate 806, and a PCB board body 807 is arranged on the upper side of the placement plate 806, and a horizontal groove 847 is opened on the front side of the flip plate 804, and a slider 818 is slidably connected to the inner side of the horizontal groove 847, and a moving block 819 is fixedly connected to the front side of the slider 818, and a vertical plate 820 is fixedly connected to the front side of the moving block 819, and the vertical plate 820 is fixedly connected to the front side of the vertical plate 820. Two rear blocks 842 are fixedly connected to the rear side of the upper end of the plate 820, a connecting pipe 843 is fixedly connected between the two rear blocks 842, and a plurality of nozzles 844 are fixedly connected to the rear side of the connecting pipe 843. Top blocks 811 are fixedly connected to the upper sides of the left and right ends of the placement plate 806. A slide groove 808 is provided on the upper side of the placement plate 806. The inner sides of the left and right ends of the slide groove 808 are slidably connected to control blocks 809. A clamping plate 810 is fixedly connected to the outer side of the control block 809. An electric push rod 812 is fixedly connected between the top block 811 and the clamping plate 810. A stabilizing block 823 is fixedly connected to the front side of the vertical plate 820. A gas tank 824 is fixedly connected to the upper side of the stabilizing block 823. An air inlet pipe 825 is fixedly connected to the right side of the gas tank 824. The inner side is rotatably connected with a rotating shaft 831, and the outer side of the rotating shaft 831 is fixedly connected with a plurality of fan blades 835. The front side of the connecting pipe 843 is fixedly connected with a fixed pipe 836. A connecting pipe 834 is fixedly connected between the gas tank 824 and the fixed pipe 836. The front side of the flip plate 804 is fixedly connected with a toothed plate 817. The upper side of the moving block 819 is rotatably connected with a rotating rod 826 and a rotating rod 827. The outer side of the rotating rod 826 is fixedly connected with a large gear 828, and the outer side of the rotating rod 827 is fixedly connected with a small gear 829. A rectangular hole 830 is provided on the front side of the vertical plate 820. The upper end of the rotating shaft 831 passes through the upper side of the gas tank 824, and the outer side and the outer side of the rotating rod 827 are fixedly connected with a pulley 832. There is a pulley 832 between the two pulleys 832. A belt 833 is provided, a one-way valve 841 is provided on the outer side of the upper end of the fixed tube 836, the tooth plate 817 is meshed with the large gear 828, the large gear 828 is meshed with the small gear 829, the front side of the flip plate 804 is fixedly connected with two front blocks 813, a screw 814 is rotatably connected between the two front blocks 813, the screw 814 is threadedly connected with the moving block 819, the left side of the front block 813 is fixedly connected with a motor 2 815, the motor 2 815 is fixedly connected with the outer end of the screw 814, the left side of the right front block 813 is fixedly connected with a switch 816, when testing the PCB board body 807, first place the PCB board body 807 on the placement plate 806, and then control the electric push rod 812 to drive the clamping plate 810 to move,The left and right side clamps 810 clamp the PCB board body 807 to limit the position, which is convenient for the subsequent test. Then start the second motor 815, the second motor 815 drives the screw 814 to rotate, the screw 814 drives the moving block 819 to move, the moving block 819 drives the vertical plate 820 to move, the vertical plate 820 drives the rear block 842 and the connecting pipe 843 to move, the connecting pipe 843 drives the nozzle 844 to move horizontally, and at the same time, the moving block 819 drives the large gear 828 on the rotating rod 1 826 to move horizontally. Since the tooth plate 817 is meshed with the large gear 828, the large gear 828 rotates, the large gear 828 drives the small gear 829 to rotate, and the small gear 829 drives the rotating rod 2 827 to rotate. , the second rotating rod 827 drives the pulley 832 to rotate, and under the action of the belt 833, the second rotating rod 827 drives the first rotating shaft 831 to rotate, and the first rotating shaft 831 drives the first fan blade 835 to rotate. Under the action of the air inlet pipe 825, the external airflow enters the gas tank 824, and enters the connecting pipe 843 through the connecting pipe 834 and the fixed pipe 836, so that multiple nozzles 844 spray airflow on the PCB board body 807, and by controlling the horizontal movement of the nozzle 844, it is convenient to clean the dust on the surface of the PCB board body 807. When the moving block 819 contacts the switch 816, the second motor 815 rotates in the opposite direction, which is convenient to control the moving block 819 to move left and right repeatedly. ,

[0039] The left side of the vertical plate 820 is fixedly connected to an air box 821, the left side of the air box 821 is fixedly connected to an exhaust pipe 822, the inner side of the air box 821 is fixedly connected to a ring 837, the inner side of the air box 821 is rotatably connected to a second shaft 845, the outer side of the second shaft 845 is fixedly connected to a roller 838, the outer side of the roller 838 is fixedly connected to a plurality of second blades 839, the rear end of the second shaft 845 passes through the rear side of the air box 821 and is fixedly connected to a soft hair roller 846 on the outer side, and a fixed connection is made between the ring 837 and the fixed pipe 836. When the branch pipe 840 is cleaning the dust on the surface of the PCB board main body 807, the vertical plate 820 drives the air box 821 to move left and right, and the air box 821 drives the soft-hair roller 846 on the second shaft 845 to move horizontally. At the same time, the air flow enters the ring 837 through the branch pipe 840, and the air flow pushes the second fan blade 839, so that the second fan blade 839 drives the second shaft 845 to rotate, and the second shaft 845 drives the soft-hair roller 846 to rotate, so that the soft-hair roller 846 cleans the dust on the surface of the PCB board main body 807, thereby increasing the cleaning effect.

[0040] Working principle: When in use, the staff first places the PCB board body 807 on the placement plate 806, and then controls the electric push rod 812 to drive the clamping plate 810 to move, so that the clamping plate 810 limits the PCB board body 807, and then the hydraulic cylinder 5 drives the industrial camera 6 to descend, so that the industrial camera 6 tests the appearance defects on the surface of the PCB board body 807. When an unqualified PCB board body 807 is detected, the motor 802 is controlled to drive the control rod 803 to rotate, and the control rod 803 drives the flip plate 804 to rotate, so as to control the PCB board body 807 to flip to the lower side, and control the clamping plate 810 to separate from the PCB board body 807, so that the PCB board body 807 falls to the pressure sensor 7 at the bottom, and the alarm 4 is started to remind the staff.

[0041] Before the test, the control motor 815 is started to control the screw 814 to rotate. Under the action of the moving block 819, the vertical plate 820, the rear block 842 and the connecting pipe 843, the nozzle 844 can be controlled to move horizontally. When moving, through the action of the tooth plate 817, the large gear 828, the small gear 829, the rotating shaft 831 and the fan blade 835, it is convenient to control the connecting pipe 834 and the fixed pipe 836 to clean the dust on the surface of the PCB board body 807. At the same time, through the action of the branch pipe 840, the rotating shaft 845 and the fan blade 839, it is convenient to control the soft hair roller 846 to rotate, thereby increasing the dust cleaning effect.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multifunctional PCB board test module, comprising a base plate (1), characterized in that: The upper side of the bottom plate (1) is fixedly connected to a fixing rod (2), the upper end of the fixing rod (2) is fixedly connected to a top plate (3), the upper side of the top plate (3) is fixedly connected to an alarm (4) and a hydraulic cylinder (5), the output end of the lower side of the hydraulic cylinder (5) is fixedly connected to an industrial camera (6), and the upper side of the bottom plate (1) is provided with a test unit (8) and a pressure sensor (7); The test unit (8) comprises two fixed plates (801), the two fixed plates (801) are fixedly connected to the upper side of the bottom plate (1), the outer side of the fixed plates (801) is fixedly connected to a motor 1 (802), a control rod (803) is rotatably connected between the two fixed plates (801), the outer side of the control rod (803) is fixedly connected to a flip plate (804), the upper side of the flip plate (804) is fixedly connected to a mounting rod (805), the upper end of the mounting rod (805) is fixedly connected to a placement plate (806), and the upper side of the placement plate (806) is provided with A PCB board body (807) is provided, a horizontal groove (847) is provided on the front side of the flip plate (804), a slider (818) is slidably connected to the inner side of the horizontal groove (847), a moving block (819) is fixedly connected to the front side of the slider (818), a vertical plate (820) is fixedly connected to the front side of the moving block (819), two rear blocks (842) are fixedly connected to the rear side of the upper end of the vertical plate (820), a connecting pipe (843) is fixedly connected between the two rear blocks (842), and a plurality of nozzles (844) are fixedly connected to the rear side of the connecting pipe (843); The front side of the vertical plate (820) is fixedly connected to a stabilizing block (823), the upper side of the stabilizing block (823) is fixedly connected to a gas tank (824), the right side of the gas tank (824) is fixedly connected to an air intake pipe (825), the inner side of the gas tank (824) is rotatably connected to a rotating shaft (831), the outer side of the rotating shaft (831) is fixedly connected to a plurality of fan blades (835), the front side of the connecting pipe (843) is fixedly connected to a fixing pipe (836), and a connecting pipe (834) is fixedly connected between the gas tank (824) and the fixing pipe (836); The front side of the flip plate (804) is fixedly connected to a toothed plate (817); the upper side of the moving block (819) is rotatably connected to a first rotating rod (826) and a second rotating rod (827); the outer side of the first rotating rod (826) is fixedly connected to a large gear (828); the outer side of the second rotating rod (827) is fixedly connected to a small gear (829); a rectangular hole (830) is provided on the front side of the vertical plate (820); the upper end of the first rotating shaft (831) passes through the upper side of the gas tank (824) and the outer side and the outer side of the second rotating rod (827) are fixedly connected to a pulley (832); a belt (833) is provided between the two pulleys (832).

2. A multifunctional PCB board test module according to claim 1, characterized in that: The upper sides of the left and right ends of the placement plate (806) are fixedly connected with a top block (811), the upper side of the placement plate (806) is provided with a slide groove (808), the inner sides of the left and right ends of the slide groove (808) are slidably connected with a control block (809), the outer side of the control block (809) is fixedly connected with a clamping plate (810), and an electric push rod (812) is fixedly connected between the top block (811) and the clamping plate (810).

3. The multifunctional PCB board test module according to claim 1, characterized in that: The left side of the vertical plate (820) is fixedly connected to an air box (821), the left side of the air box (821) is fixedly connected to an exhaust pipe (822), the inner side of the air box (821) is fixedly connected to a circular ring (837), the inner side of the air box (821) is rotatably connected to a second rotating shaft (845), the outer side of the second rotating shaft (845) is fixedly connected to a roller (838), the outer side of the roller (838) is fixedly connected to a plurality of second fan blades (839), the rear end of the second rotating shaft (845) passes through the rear side of the air box (821) and the outer side is fixedly connected to a soft-hair roller (846), and a branch pipe (840) is fixedly connected between the circular ring (837) and the fixed pipe (836).

4. The multifunctional PCB board test module according to claim 1, characterized in that: A one-way valve (841) is provided on the outer side of the upper end of the fixed pipe (836).

5. The multifunctional PCB board test module according to claim 1, characterized in that: The toothed plate (817) is meshingly connected to the large gear (828), and the large gear (828) is meshingly connected to the small gear (829).

6. The multifunctional PCB board test module according to claim 1, characterized in that: Two front blocks (813) are fixedly connected to the front side of the flip plate (804); a screw rod (814) is rotatably connected between the two front blocks (813); the screw rod (814) is threadedly connected to the moving block (819); a second motor (815) is fixedly connected to the left side of the front block (813); the second motor (815) is fixedly connected to the outer end of the screw rod (814); and a switch (816) is fixedly connected to the left side of the right front block (813).

Images