LED lamp detection mechanism

Abstract

The utility model discloses an LED lamp detection mechanism which comprises a rack, a movable sliding table arranged on the rack, a detection assembly arranged on the movable sliding table, a supporting seat movably arranged on the rack and a jacking assembly used for driving the supporting seat to ascend or descend, and the supporting seat is used for supporting a PCB. The detection assembly comprises a connecting seat and a probe arranged on the connecting seat, the probe is located above the supporting seat, and the probe is used for detecting whether LED lamp beads on the PCB are conducted or not. According to the utility model, automatic detection can be realized, the labor intensity of workers is reduced, the working efficiency is improved, and the detection precision is improved.

Description

Technical Field

[0001] This utility model relates to the field of testing equipment technology, specifically to an LED lamp testing mechanism. Background Technology

[0002] LED semiconductor devices are products that consist of multiple LED beads bonded to a PCB board. After the LED semiconductor device is manufactured, each LED bead needs to be tested to determine its conductivity. During testing, two probes are used to contact the positive and negative terminals of the LED bead. If the LED bead emits light normally, it is conductive; if the LED bead does not emit light, it is not conductive.

[0003] However, the current testing of LED semiconductor devices is done manually. During testing, operators hold two probes to test each LED on the PCB board, which results in high labor intensity and low testing efficiency. Utility Model Content

[0004] In order to overcome the shortcomings of the existing technology, this utility model provides an LED lamp detection mechanism that can realize automatic detection, reduce the labor intensity of workers, improve work efficiency, and improve detection accuracy.

[0005] The technical solution adopted by this utility model to solve its technical problem is:

[0006] An LED lamp testing mechanism includes a frame, a movable slide on the frame, a testing component on the movable slide, a support seat movably mounted on the frame, and a lifting component for driving the support seat to rise or fall. The support seat is used to support a PCB board. The testing component includes a connecting seat and a probe mounted on the connecting seat. The probe is located above the support seat and is used to detect whether the LED beads on the PCB board are conductive.

[0007] As a further improvement to the above technical solution, the lifting assembly includes a motor, an eccentric wheel, a lifting plate, and a follower wheel. The motor is mounted on the frame, the eccentric wheel is located at the output end of the motor, the lifting plate is vertically arranged, the follower wheel is rotatably connected to the bottom end of the lifting plate, the follower wheel is located directly above the eccentric wheel, and the top of the lifting plate is fixedly connected to the support base.

[0008] As a further improvement to the above technical solution, a vertical plate is provided on the frame, a first mounting column is provided on the vertical plate, and a second mounting column is provided at the bottom of the support base. The first mounting column and the second mounting column are connected by a return spring, and the return spring is vertically arranged.

[0009] As a further improvement of the above technical solution, a first linear guide rail is arranged between the jacking plate and the vertical plate, and the first linear guide rail is arranged vertically.

[0010] As a further improvement of the above technical solution, a photoelectric sensing sheet is arranged on one side of the jacking plate, a photoelectric sensing groove is arranged on one side of the vertical plate, and the photoelectric sensing sheet corresponds to the photoelectric sensing groove.

[0011] As a further improvement of the above technical solution, a linear bearing is arranged on the rack, a guide shaft is arranged on the support seat, and the linear bearing is sleeved on the outer periphery of the guide shaft.

[0012] As a further improvement of the above technical solution, the moving slide table comprises a first mounting seat, a first sliding seat slidably connected to the first mounting seat, and a first cylinder for driving the first sliding seat to move laterally, the first mounting seat is arranged on the rack, the first cylinder is arranged on the first mounting seat, and the detection assembly is arranged on the first sliding seat.

[0013] As a further improvement of the above technical solution, a second linear guide rail is arranged between the first sliding seat and the first mounting seat.

[0014] As a further improvement of the above technical solution, a fine adjustment assembly is arranged between the first sliding seat and the detection assembly, the fine adjustment assembly comprises a horizontal fine adjustment module and a vertical fine adjustment module, the horizontal fine adjustment module is used for adjusting the horizontal position of the detection assembly, and the vertical fine adjustment module is used for adjusting the vertical position of the detection assembly.

[0015] As a further improvement of the above technical solution, the horizontal fine adjustment module comprises a second mounting seat, a second sliding seat slidably connected to the second mounting seat, and a first adjustment knob for driving the second sliding seat to move laterally, the second mounting seat is arranged on the first sliding seat; the vertical fine adjustment module comprises a third mounting seat, a third sliding seat slidably connected to the third mounting seat, and a second adjustment knob for driving the third sliding seat to move vertically, the third mounting seat is arranged on the second sliding seat, and the connecting seat is arranged on the third sliding seat.

[0016] The utility model discloses a LED lamp detection mechanism, through setting up mobile slide, detection subassembly, support seat and jacking subassembly, PCB board is placed on the support seat, mobile slide drives connecting seat and probe common movement to make the probe with the terminal of LED lamp pearl on the PCB board correspond, then, jacking subassembly drives support seat to go up, and support seat drives PCB board to go up and makes the terminal of LED lamp pearl of PCB board with probe contact, if LED lamp pearl emits light, then explains LED lamp pearl conduction, if LED lamp pearl does not emit light, then explains LED lamp pearl does not conduct, thereby, can realize automatic detection, reduces the labor intensity of worker, improves work efficiency to improve detection accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model is further explained below in combination with the drawings and examples.

[0018] Fig. 1 It is the structure schematic diagram that the utility model an example provides;

[0019] Fig. 2 It is the structure schematic diagram of another visual angle of the utility model;

[0020] Fig. 3 It is the side view of the utility model.

[0021] Sign significance: 100 - rack, 110 - vertical board, 120 - linear bearing;

[0022] 200 - mobile slide, 210 - first mounting seat, 220 - first slide, 230 - first cylinder, 240 - second linear guide rail;

[0023] 300 - detection subassembly, 310 - connecting seat, 320 - probe;

[0024] 400 - support seat, 410 - guide shaft;

[0025] 500 - jacking subassembly, 510 - motor, 520 - eccentric wheel, 530 - jacking plate, 540 - follow-up wheel, 550 - return spring, 560 - first linear guide rail, 570 - photoelectric induction sheet, 580 - photoelectric induction groove;

[0026] 600 - horizontal fine adjustment module, 610 - second mounting seat, 620 - second slide, 630 - first adjusting knob;700 - longitudinal fine adjustment module, 710 - third mounting seat, 720 - third slide, 730 - second adjusting knob. DETAILED DESCRIPTION

[0027] The concept, specific structure and generated technical effects of the present application will be clearly and completely described below in combination with the embodiments and drawings, so as to fully understand the purposes, features and effects of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application. In addition, all the connection / connection relationships involved in the patent do not mean that the components are directly connected, but that a better connection structure can be composed by adding or reducing connection auxiliary components according to the specific implementation situation. The various technical features in the present application can be interactively combined without mutual contradiction and conflict.

[0028] Referring to Figs. 1 to 3 The LED lamp detection mechanism provided by one example of the present application comprises a rack 100, a moving sliding table 200 arranged on the rack 100, a detection assembly 300 arranged on the moving sliding table 200, a support seat 400 movably arranged on the rack 100, and a jacking assembly 500 for driving the support seat 400 to ascend or descend. The support seat 400 is used for supporting a PCB board. The detection assembly 300 comprises a connecting seat 310 and a probe 320 arranged on the connecting seat 310. The probe 320 is located above the support seat 400 and is used for detecting whether the LED lamp bead on the PCB board is conductive.

[0029] During operation, the PCB board is placed on the support seat 400. The moving sliding table 200 drives the connecting seat 310 and the probe 320 to move together so that the probe 320 corresponds to the terminal of the LED lamp bead on the PCB board. Then, the jacking assembly 500 drives the support seat 400 to ascend. The support seat 400 drives the PCB board to ascend and makes the terminal of the LED lamp bead of the PCB board contact the probe 320. If the LED lamp bead emits light, it indicates that the LED lamp bead is conductive. If the LED lamp bead does not emit light, it indicates that the LED lamp bead is not conductive. Therefore, automatic detection can be realized, the labor intensity of workers is reduced, the work efficiency is improved, and the detection precision is improved.

[0030] In some preferred embodiments, the jacking assembly 500 comprises a motor 510, an eccentric wheel 520, a jacking plate 530 and a follow-up wheel 540. The motor 510 is mounted on the rack 100. The eccentric wheel 520 is arranged at the output end of the motor 510. The jacking plate 530 is vertically arranged. The follow-up wheel 540 is rotatably connected to the bottom end of the jacking plate 530. The follow-up wheel 540 is located directly above the eccentric wheel 520. The top of the jacking plate 530 is fixedly connected with the support seat 400.

[0031] It can be understood that the height of the top end of the eccentric wheel 520 changes by driving the eccentric wheel 520 to rotate by the motor 510, the top end of the eccentric wheel 520 abuts against the follower wheel 540, the eccentric wheel 520 drives the lifting plate 530 and the follower wheel 540 to rise or fall, and in turn drives the support seat 400 to rise or fall, and the height of the top end of the eccentric wheel 520 changes periodically during the rotation of the eccentric wheel 520, so that the rising height of the support seat 400 can be accurately controlled, and it is ensured that the LED lamp beads on the PCB board on the support seat 400 can accurately contact the probe 320.

[0032] Further, the rack 100 is provided with a vertical plate 110, the vertical plate 110 is provided with a first mounting column, the bottom of the support seat 400 is provided with a second mounting column, the first mounting column and the second mounting column are connected through a reset spring 550, and the reset spring 550 is vertically arranged.

[0033] It can be understood that during the process of driving the eccentric wheel 520 to rotate by the motor 510 to drive the lifting plate 530 to rise, the lifting plate 530 drives the support seat 400 to rise, the reset spring 550 is stretched, and the reset spring 550 provides an opposite force to the support seat 400, on the one hand, the reset spring 550 can play a buffering role to prevent excessive impact force when the PCB board contacts the probe 320, and on the other hand, the reset spring 550 always provides a downward force to the support seat 400, so that the follower wheel 540 always abuts against the eccentric wheel 520, and the stability of the support seat 400 during lifting is ensured.

[0034] Further, a first linear guide rail 560 is arranged between the lifting plate 530 and the vertical plate 110, the first linear guide rail 560 is vertically arranged, and the first linear guide rail 560 can guide the lifting plate 530 during the lifting process of the lifting plate 530, so that the stability of the lifting plate 530 during lifting can be improved, and in turn the terminals of the LED lamp beads of the PCB board can be accurately contacted with the probe 320, and the detection precision is improved.

[0035] Further, a linear bearing 120 is arranged on the rack 100, a guide shaft 410 is arranged on the support seat 400, the linear bearing 120 is sleeved on the outer periphery of the guide shaft 410, and the support seat 400 drives the guide shaft 410 to rise and fall during the lifting of the support seat 400, the linear bearing 120 can guide the guide shaft 410 to move in the vertical direction, so that the support seat 400 is prevented from deviating and shaking during lifting, and the stability is further improved, and in addition, the friction resistance and wear can be greatly reduced when the linear bearing 120 moves relative to the guide shaft 410, and the service life of the equipment is improved.

[0036] In some preferred embodiments, one side of the jacking plate 530 is provided with a photoelectric sensing sheet 570, one side of the vertical plate 110 is provided with a photoelectric sensing groove 580, the photoelectric sensing sheet 570 corresponds to the photoelectric sensing groove 580, specifically, when the motor 510 drives the eccentric wheel 520 to rotate to drive the jacking plate 530 to rise, the jacking plate 530 drives the photoelectric sensing sheet 570 to rise, at this time the photoelectric sensing sheet 570 is separated from the photoelectric sensing groove 580; when the jacking plate 530 descends, the jacking plate 530 drives the photoelectric sensing sheet 570 to descend, at this time the photoelectric sensing sheet 570 enters the photoelectric sensing groove 580, the photoelectric sensing groove 580 transmits a signal to the motor 510, the motor 510 stops working after receiving the signal, thereby the support plate remains stationary, facilitating the taking and placing of the PCB board.

[0037] In some preferred embodiments, the moving slide table 200 comprises a first mounting seat 210, a first sliding seat 220 slidingly connected to the first mounting seat 210, and a first air cylinder 230 for driving the first sliding seat 220 to move laterally, the first mounting seat 210 is arranged on the rack 100, the first air cylinder 230 is arranged on the first mounting seat 210, the detection assembly 300 is arranged on the first sliding seat 220, the first air cylinder 230 drives the first sliding seat 220 to move laterally, and the first sliding seat 220 drives the detection assembly 300 to move laterally as a whole, so that the LED lamp beads at different positions on the PCB board can be detected, and the detection efficiency is improved.

[0038] Specifically, the first air cylinder 230 is a rodless air cylinder, which occupies a smaller axial space, so that the structure is compact and easy to install.

[0039] Further, a second linear guide rail 240 is arranged between the first sliding seat 220 and the first mounting seat 210, which can guide the first sliding seat 220, so as to ensure the stability of the first sliding seat 220 when moving laterally, thereby improving the detection accuracy of the detection assembly 300.

[0040] In some preferred embodiments, a fine adjustment assembly is arranged between the first sliding seat 220 and the detection assembly 300, which comprises a horizontal fine adjustment module 600 and a vertical fine adjustment module 700, the horizontal fine adjustment module 600 is used for adjusting the horizontal position of the detection assembly 300, and the vertical fine adjustment module 700 is used for adjusting the vertical position of the detection assembly 300.

[0041] Specifically, the transverse fine adjustment module 600 comprises a second mounting base 610, a second sliding base 620 slidingly connected to the second mounting base 610, and a first adjustment knob 630 for driving the second sliding base 620 to move along the transverse direction, the second mounting base 610 is arranged on the first sliding base 220, the longitudinal fine adjustment module 700 comprises a third mounting base 710, a third sliding base 720 slidingly connected to the third mounting base 710, and a second adjustment knob 730 for driving the third sliding base 720 to move along the longitudinal direction, the third mounting base 710 is arranged on the second sliding base 620, and the connecting base 310 is arranged on the third sliding base 720.

[0042] It can be understood that when different specifications of products need to be detected, the position of the LED lamp bead in the PCB board changes, by rotating the first adjustment knob 630, the first adjustment knob 630 drives the second sliding base 620 to move along the transverse direction, and by rotating the second adjustment knob 730, the second adjustment knob 730 drives the third sliding base 720 to move along the longitudinal direction, and then drives the detection assembly 300 to be fine adjusted along the transverse direction and the longitudinal direction, so that the position of the probe 320 can be aligned with the terminal of the LED lamp bead on the PCB board, and detection of different specifications and models of products can be met.

[0043] The above is a specific description of the preferred embodiment of the utility model, but the utility model is not limited to the described embodiment, and those skilled in the art can make various equivalent modifications or replacements without departing from the spirit of the utility model, and these equivalent modifications or replacements are all included in the range defined by the claims of the present application.

Claims

1. An LED lamp testing mechanism, characterized in that, The device includes a frame, a movable slide on the frame, a detection component on the movable slide, a support seat movably mounted on the frame, and a lifting component for driving the support seat to rise or fall. The support seat is used to support a PCB board. The detection component includes a connector and a probe mounted on the connector. The probe is located above the support seat and is used to detect whether the LED beads on the PCB board are conductive.

2. The LED lamp testing mechanism according to claim 1, characterized in that, The lifting assembly includes a motor, an eccentric wheel, a lifting plate, and a follower wheel. The motor is mounted on the frame, the eccentric wheel is located at the output end of the motor, the lifting plate is vertically arranged, the follower wheel is rotatably connected to the bottom end of the lifting plate, the follower wheel is located directly above the eccentric wheel, and the top of the lifting plate is fixedly connected to the support base.

3. The LED lamp testing mechanism according to claim 2, characterized in that, The frame is provided with a vertical plate, the vertical plate is provided with a first mounting column, and the bottom of the support base is provided with a second mounting column. The first mounting column and the second mounting column are connected by a return spring, and the return spring is vertically arranged.

4. The LED lamp testing mechanism according to claim 3, characterized in that, A first linear guide rail is provided between the lifting plate and the vertical plate, and the first linear guide rail is vertically arranged.

5. The LED lamp testing mechanism according to claim 3, characterized in that, A photoelectric sensor is provided on one side of the lifting plate, and a photoelectric sensor groove is provided on one side of the vertical plate, with the photoelectric sensor corresponding to the photoelectric sensor groove.

6. The LED lamp testing mechanism according to claim 1, characterized in that, A linear bearing is provided on the frame, and a guide shaft is provided on the support base. The linear bearing is sleeved on the outer circumference of the guide shaft.

7. The LED lamp testing mechanism according to claim 1, characterized in that, The movable slide includes a first mounting base, a first slide block slidably connected to the first mounting base, and a first cylinder for driving the first slide block to move laterally. The first mounting base is disposed on the frame, the first cylinder is disposed on the first mounting base, and the detection component is disposed on the first slide block.

8. The LED lamp testing mechanism according to claim 7, characterized in that, A second linear guide rail is provided between the first slide and the first mounting base.

9. The LED lamp testing mechanism according to claim 7, characterized in that, A fine-tuning component is provided between the first slide and the detection component. The fine-tuning component includes a lateral fine-tuning module and a longitudinal fine-tuning module. The lateral fine-tuning module is used to adjust the lateral position of the detection component, and the longitudinal fine-tuning module is used to adjust the longitudinal position of the detection component.

10. An LED lamp testing mechanism according to claim 9, characterized in that, The lateral fine-tuning module includes a second mounting base, a second slide block slidably connected to the second mounting base, and a first adjustment knob for driving the second slide block to move laterally. The second mounting base is disposed on the first slide block. The longitudinal fine-tuning module includes a third mounting base, a third slide block slidably connected to the third mounting base, and a second adjustment knob for driving the third slide block to move longitudinally. The third mounting base is disposed on the second slide block, and the connecting base is disposed on the third slide block.

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