LED light and key detection jig

Abstract

The utility model relates to an LED light and key detection jig, which comprises a jig box, a detection plate placement seat arranged on a workbench, a jig frame arranged on the workbench and a first pneumatic sliding table arranged on the jig frame, an optical fiber device and a sliding plate are arranged on the first pneumatic sliding table, and a light detection mechanism and a key detection mechanism are arranged on the sliding plate. The lamplight detection mechanism comprises a first lampshade, a moving mechanism and a second lampshade, and the key detection mechanism comprises a driving mechanism and a pressing assembly linked with the driving mechanism. According to the scheme, performance automatic detection of all LED lamps and keys can be rapidly executed in a short time, the labor intensity of operators is reduced, the working efficiency is improved, and the problem of missing detection is eliminated. According to the scheme, the first pneumatic sliding table and the second pneumatic sliding table are adopted, so that the movement positioning precision of the longitudinal jig relative to the detected circuit board is improved, and the operation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic product production and testing tooling, in particular to an LED light and button testing fixture. Background Art

[0002] Electronic products are equipped with circuit boards, such as Figure 1 As shown, the circuit board is equipped with a large 8-shaped light and two small 8-shaped lights composed of multiple LED lights, as well as multiple function status indicators. The circuit board is also equipped with multiple function buttons. The existing LED light and button detection method is: manually place the circuit board → manually scan the code → manually press the product → press the "start" button → visually observe the light on and off → manually press the "button" to test → test ends → remove the product. The existing LED light and button visual inspection plus manual pressing detection method has the following defects:

[0003] (1) Human eyes will easily get visual fatigue when recognizing LED lights on and off, resulting in a high rate of missed detection and a great risk to quality.

[0004] (2) Manually pressing buttons is labor-intensive and can cause finger pain if pressed for a long time.

[0005] (3) The efficiency of manual inspection is low.

[0006] In order to overcome the above-mentioned defects, this solution proposes an LED light and button detection fixture. Utility Model Content

[0007] The purpose of this invention is to solve the problems of the existing artificial LED light and button detection methods, which are easy to cause visual fatigue, high detection rate, high quality risk, high work intensity, finger pain, and low work efficiency. To achieve the above purpose, this utility model adopts the following technical solutions:

[0008] An LED light and button detection jig includes a jig box, a detection plate placement seat arranged on the workbench above the jig box, a jig frame arranged vertically on the workbench behind the detection plate placement seat, a first pneumatic slide arranged on the jig frame, an optical fiber device and a slide plate provided on the first pneumatic slide, a light detection mechanism and a button detection mechanism provided on the slide plate, a controller provided in the jig box, the controller being electrically connected to the first pneumatic slide, the optical fiber device, the light detection mechanism and the button detection mechanism respectively, the optical fiber device being connected to the light detection mechanism via multiple optical fibers, the light detection mechanism including a first lampshade, a moving mechanism and a second lampshade, and the button detection mechanism including a driving mechanism and a pressing assembly linked to the driving mechanism.

[0009] Furthermore, the first pneumatic slide includes a first cylinder and a first slide stacked therewith, the first cylinder is fixed to a jumper plate erected on the upper part of the jig frame, the optical fiber device is installed on the upper part of the first slide, and the slide plate is installed on the lower part of the first slide.

[0010] Furthermore, the driving mechanism includes a plurality of driving cylinders and a driving bracket for fixing the driving cylinders, and the driving bracket includes a side plate and a transverse plate fixedly connected to the front end thereof.

[0011] Furthermore, a plurality of cylinder fixing holes are provided on the transverse plate, and at least two PCB pressure columns are provided on the lower side of the transverse plate.

[0012] Furthermore, the rear end of the side panel is fixedly connected to one side of the skateboard by screws.

[0013] Furthermore, the pressing assembly is a plurality of pressing heads, the upper ends of the pressing heads are fixedly connected to the ends of the cylinder rods of the driving cylinders, and the pressing heads are located on the lower side of the transverse plate.

[0014] Furthermore, the first lampshade is fixed to the lower middle side of the slide plate, and includes a first fixing block and a fixed lampshade provided on the front side thereof.

[0015] Furthermore, the fixed lampshade is in an inverted C shape and is provided with a plurality of optical fiber through holes.

[0016] Furthermore, the moving mechanism includes a second pneumatic slide, the second pneumatic slide includes a second cylinder and a second slide stacked therewith, the lower end of the second slide is fixed to one end of the bending frame, the other end of the bending frame is fixed to the transverse cylinder, the cylinder rod end of the transverse cylinder passes through the rod hole of the bending frame to fix the upper end of the transverse push plate, the lower end of the transverse push plate is fixedly connected to one end of the guide column, the guide column passes through the sliding hole of the bending frame, and the other end of the guide column is provided with a limit adjustment mechanism, the second cylinder is fixed to the other side of the slide, the outer side of the transverse push plate is fixedly connected to the second lampshade, and the second lampshade is provided with a plurality of optical fiber through holes.

[0017] Furthermore, one end of the optical fiber is sealed and inserted into the optical fiber through-holes of the first lampshade and the second lampshade respectively, and the other end of the optical fiber is connected to the optical fiber device.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] This solution sets up an automatic light detection mechanism and an automatic button detection mechanism based on the fact that the circuit board under inspection is equipped with multiple LED lights and multiple buttons. Through the controller and the optical fiber device, the automatic performance detection of all LED lights and buttons can be quickly performed in a short time, which reduces the labor intensity of the operators, improves work efficiency, and eliminates the problem of missed detection. This solution uses a first pneumatic slide and a second pneumatic slide to improve the moving positioning accuracy of the longitudinal fixture relative to the circuit board under inspection. The cooperation of the inspection board mounting seat and the PCB pressure column ensures that the front, back, left, right, and top and bottom positions of the circuit board under inspection are all fixed during the inspection process, that is, it ensures that the first lampshade, the second lampshade, and the four pressing heads are aligned with the corresponding LED lights and buttons on the circuit board under inspection without deviation. This solution uses the second lampshade and the moving mechanism to divide the automatic detection of LED lights into two steps, saving the number of interfaces of the optical fiber device and the number of optical fiber leads. This solution has a start button on the workbench and an automatic barcode scanner at the bottom of the fixture frame. The start button and the automatic barcode scanner are electrically connected to the controller. The operator only needs to place the circuit board to be inspected into the inspection board placement seat and press the start button once. The controller automatically controls the fixture to perform all LED light and button inspections according to the preset program. After the inspection is completed, the operator can take out the circuit board to be inspected, which is convenient to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is the background technology and the structural diagram of the circuit board to be tested of the utility model;

[0021] Figure 2 This is a structural diagram of the LED light and button detection fixture of the utility model;

[0022] Figure 3 This is an exploded view of the first pneumatic slide, the light detection mechanism, and the key detection mechanism of the present invention;

[0023] Figure 4 This is an exploded view of the mobile mechanism of the present utility model.

[0024] Description of reference numerals:

[0025] 10- fixture box, 11- workbench, 12- detection board placement seat, 13- inspected circuit board, 131- anti-C-shaped area, 14- start button, 20- fixture frame, 21- jumper plate, 30- first pneumatic slide, 31- first cylinder, 32- first slide, 40- optical fiber device, 50- slide plate, 60- first lampshade, 61- first fixed block, 62- fixed lampshade, 63- optical fiber through hole, 64- second cylinder, 65- second slide, 66- bending frame, 661- rod hole, 662- slide hole, 67- horizontal cylinder, 68- horizontal push plate, 69- second lampshade, 70- driving cylinder, 71- driving bracket, 711- side plate, 712- horizontal plate, 72- PCB pressure column, 73- pressing head, 74- cylinder rod, 80- guide column, 81- limit adjustment mechanism, 90- code scanner. DETAILED DESCRIPTION

[0026] The following will be combined with the accompanying drawings of the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0027] like Figures 1 to 4 As shown, the LED light and button detection jig includes a jig box 10, a detection board placement seat 12 provided on the workbench 11 on the upper side of the jig box 10, a circuit board 13 to be tested is placed in the detection board placement seat 12, a jig frame 20 vertically provided on the workbench 11 on the rear side of the detection board placement seat 12, a first pneumatic slide 30 provided on the jig frame 20, an optical fiber device 40 and a slide 50 are provided on the first pneumatic slide 30, a light detection mechanism and a button detection mechanism are provided on the slide 50, a controller is provided in the jig box 10 (not shown in the figure, the controller is existing technology, its specific model and working principle are not described in detail here), the controller is electrically connected to the first pneumatic slide 30, the optical fiber device 40, the light detection mechanism and the button detection mechanism respectively, the optical fiber device 40 is connected to the light detection mechanism through multiple optical fibers (not shown in the figure), the light detection mechanism includes a first lampshade 60, a moving mechanism and a second lampshade 69, and the button detection mechanism includes a driving mechanism and a pressing component linked to the driving mechanism.

[0028] Specifically, the first pneumatic slide 30 includes a first cylinder 31 and a first slide 32 stacked therewith. The first cylinder 31 is fixed on the jumper plate 21 erected on the upper part of the jig frame 20, the optical fiber device 40 is installed on the upper part of the first slide 32, and the slide 50 is installed on the lower part of the first slide 32.

[0029] Specifically, the driving mechanism includes a plurality of driving cylinders 70 and a driving bracket 71 for fixing the driving cylinders 70. The driving bracket 71 includes a side plate 711 and a transverse plate 712 fixedly connected to the front end thereof. The driving cylinder 70 is a pen-shaped cylinder.

[0030] Specifically, a plurality of cylinder fixing holes (not shown in the figure) are provided on the horizontal plate 712 , and at least two PCB pressure columns 72 are provided on the lower side of the horizontal plate 712 .

[0031] Specifically, the rear end of the side plate 711 is fixedly connected to one side of the slide plate 50 by screws (not shown in the figure).

[0032] Specifically, the pressing assembly is a plurality of pressing heads 73 , the upper ends of the pressing heads 73 are fixedly connected to the ends of the cylinder rods 74 of the driving cylinders 70 , and the pressing heads 73 are located on the lower side of the transverse plate 712 .

[0033] Specifically, the first lampshade 60 is fixed to the lower middle side of the slide plate 50 , and includes a first fixing block 61 and a fixed lampshade 62 provided on the front side thereof.

[0034] Specifically, the fixed lampshade 62 is in an inverted C-shape, and a plurality of optical fiber through holes 63 are provided on the fixed lampshade 62 .

[0035] Specifically, the moving mechanism includes a second pneumatic slide, which includes a second cylinder 64 and a second slide 65 stacked therewith. The lower end of the second slide 65 is fixed to one end of the bending frame 66, and the other end of the bending frame 66 is fixed to the transverse cylinder 67. The cylinder rod end of the transverse cylinder 67 passes through the rod hole 661 of the bending frame 66 to fix the upper end of the transverse push plate 68. The lower end of the transverse push plate 68 is fixedly connected to one end of the guide column 80, and the guide column 80 passes through the slide hole 662 of the bending frame 66. The other end of the guide column 80 is provided with a limit adjustment mechanism 81, which is two adjusting nuts. The second cylinder 64 is fixed to the other side of the slide 50, and the outer side of the transverse push plate 68 is fixedly connected to the second lampshade 69. The second lampshade 69 is provided with multiple optical fiber through holes 63.

[0036] Specifically, one end of the optical fiber is sealed and inserted into the optical fiber through-hole 63 of the first lampshade 60 and the second lampshade 69, respectively, and the other end of the optical fiber is connected to the optical fiber device 40. In this solution, a start button 14 is provided on the workbench 11, and an automatic barcode scanner 90 is provided at the lower part of the jig frame 20. The start button 14 and the automatic barcode scanner 90 are electrically connected to the controller. The circuit board 13 to be inspected is provided with a large 8-shaped lamp and two small 8-shaped lamps composed of multiple LED lights, as well as multiple function status indicator lights. The large 8-shaped lamp and the multiple function status indicator lights form an inverted C-shape and are covered by the fixed lampshade 62 for detection. The two small 8-shaped lamps are covered by the second lampshade 69 for detection in two steps. The inspection circuit board 13 is also provided with four function buttons, which are detected by four pressing heads 73.

[0037] The working process of this program is briefly described as follows:

[0038] 1. The operator places the circuit board 13 to be inspected into the inspection board seating 12;

[0039] 2. Press the start button 14 once, and the controller automatically controls the fixture to perform the following steps;

[0040] 3. The barcode scanner automatically scans the barcode at 90°;

[0041] 4. The first cylinder 31 causes the first slide 32 to automatically move the slide plate 50 downward, driving the bracket 71 to move downward so that the PCB pressing column 72 presses the PCB;

[0042] 5. The first lampshade 60 covers the inverted C-shaped area 131 of the LED lamp on the inspected circuit board 13, and the second lampshade 69 covers the outer small 8-shaped lamp of the LED lamp on the inspected circuit board 13, and the inspection is carried out simultaneously;

[0043] 6. Drive the cylinder 70 to make the four pressing heads 73 press the four buttons on the circuit board 13 to perform the test;

[0044] 7. The second cylinder 64 moves the second slide 65 upward, and the bending frame 66 lifts the second lampshade 69;

[0045] 8. The horizontal cylinder 67 drives the horizontal push plate 68 to move the second lampshade 69 toward the first lampshade 60;

[0046] 9. The second cylinder 64 moves the second slide 65 downward, and the bending frame 66 causes the second lampshade 69 to cover the inner small 8-shaped lamp of the LED lamp on the inspected circuit board 13, and the inspection is carried out;

[0047] 10. After the test, the first cylinder 31 causes the first slide 32 to drive the slide plate 50 to automatically move upward, and the horizontal cylinder 67 is reset;

[0048] 11. The operator takes out the inspected circuit board 13 from the inspection board placement seat 12.

[0049] Compared with the prior art, the beneficial effects of the present invention are:

[0050] This solution sets up an automatic light detection mechanism and an automatic button detection mechanism based on the fact that the circuit board under inspection is equipped with multiple LED lights and multiple buttons. Through the controller and the optical fiber device, the automatic performance detection of all LED lights and buttons can be quickly performed in a short time, which reduces the labor intensity of the operators, improves work efficiency, and eliminates the problem of missed detection. This solution uses a first pneumatic slide and a second pneumatic slide to improve the moving positioning accuracy of the longitudinal fixture relative to the circuit board under inspection. The cooperation of the inspection board mounting seat and the PCB pressure column ensures that the front, back, left, right, and top and bottom positions of the circuit board under inspection are all fixed during the inspection process, that is, it ensures that the first lampshade, the second lampshade, and the four pressing heads are aligned with the corresponding LED lights and buttons on the circuit board under inspection without deviation. This solution uses the second lampshade and the moving mechanism to divide the automatic detection of LED lights into two steps, saving the number of interfaces of the optical fiber device and the number of optical fiber leads. This solution has a start button on the workbench and an automatic barcode scanner at the bottom of the fixture frame. The start button and the automatic barcode scanner are electrically connected to the controller. The operator only needs to place the circuit board to be inspected into the inspection board placement seat and press the start button once. The controller automatically controls the fixture to perform all LED light and button inspections according to the preset program. After the inspection is completed, the operator can take out the circuit board to be inspected, which is convenient to operate.

[0051] The above is a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. An LED light and button detection fixture, characterized by: The invention comprises a jig box, a detection plate placement seat arranged on the workbench above the jig box, a jig frame arranged vertically on the workbench behind the detection plate placement seat, a first pneumatic slide arranged on the jig frame, an optical fiber device and a slide plate provided on the first pneumatic slide, a light detection mechanism and a key detection mechanism provided on the slide plate, a controller provided in the jig box, the controller being electrically connected to the first pneumatic slide, the optical fiber device, the light detection mechanism and the key detection mechanism respectively, the optical fiber device being connected to the light detection mechanism via a plurality of optical fibers, the light detection mechanism comprising a first lampshade, a moving mechanism and a second lampshade, and the key detection mechanism comprising a driving mechanism and a pressing assembly linked to the driving mechanism.

2. The LED light and button detection fixture according to claim 1, characterized in that: The first pneumatic slide includes a first cylinder and a first slide stacked therewith, the first cylinder is fixed to a jumper plate erected on the upper part of the jig frame, the optical fiber device is installed on the upper part of the first slide, and the slide is installed on the lower part of the first slide.

3. The LED light and button detection fixture according to claim 2, characterized in that: The driving mechanism includes a plurality of driving cylinders and a driving bracket for fixing the driving cylinders. The driving bracket includes a side plate and a transverse plate fixedly connected to the front end thereof.

4. The LED light and button detection fixture according to claim 3, characterized in that: The transverse plate is provided with a plurality of cylinder fixing holes, and at least two PCB pressure columns are provided on the lower side of the transverse plate.

5. The LED light and button detection fixture according to claim 4, characterized in that: The rear end of the side plate is fixedly connected to one side of the slide plate by screws.

6. The LED light and button detection fixture according to claim 5, characterized in that: The pressing assembly is composed of a plurality of pressing heads, the upper ends of the pressing heads are fixedly connected to the ends of the cylinder rods of the driving cylinders, and the pressing heads are located on the lower side of the transverse plate.

7. The LED light and button detection fixture according to claim 6, characterized in that: The first lampshade is fixed to the middle and lower side of the slide plate, and comprises a first fixing block and a fixing lampshade arranged on the front side of the first fixing block.

8. The LED light and button detection fixture according to claim 7, characterized in that: The fixed lampshade is in an inverted C shape and is provided with a plurality of optical fiber through holes.

9. The LED light and button detection fixture according to claim 8, characterized in that: The moving mechanism includes a second pneumatic slide, the second pneumatic slide includes a second cylinder and a second slide stacked therewith, the lower end of the second slide is fixed to one end of the bending frame, and the other end of the bending frame is fixed to the transverse cylinder, the cylinder rod end of the transverse cylinder passes through the rod hole of the bending frame and is fixed to the upper end of the transverse push plate, the lower end of the transverse push plate is fixedly connected to one end of the guide column, the guide column passes through the sliding hole of the bending frame, and the other end of the guide column is provided with a limit adjustment mechanism, the second cylinder is fixed to the other side of the slide, the outer side of the transverse push plate is fixedly connected to the second lampshade, and the second lampshade is provided with a plurality of optical fiber through holes.

10. The LED light and button detection fixture according to claim 9, characterized in that: One end of the optical fiber is sealed and inserted into the optical fiber through holes of the first lampshade and the second lampshade respectively, and the other end of the optical fiber is connected to the optical fiber device.

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