阅读说明：本技术 发光二极管检测装置 (Light-emitting diode detection device ) 是由 徐诺维 于 2018-08-15 设计创作，主要内容包括：本发明公开了一种发光二极管检测装置,包括立柱、支撑台、夹装台、升降板、检测头、检测仪及剔除机构,所述夹装台设于所述支撑台的上端面,所述支撑台的下端面安装有旋转电机,所述夹装台的边缘处沿周向设有多个安装缺口,所述立柱的上端设有顶板,所述顶板上安装有升降电机,所述升降电机的输出轴连接所述升降板,所述检测头安装于所述升降板上,所述检测头连接所述升降板,所述支撑台上设有剔除机构。本发明的发光二极管检测装置,通过设置支撑台、夹装台、检测头与剔除机构,实现了发光二极管的自动检测与剔除,提高了检测精度与检测效率,降低了人力物力成本。(The invention discloses a light-emitting diode detection device which comprises an upright post, a supporting table, a clamping table, a lifting plate, a detection head, a detector and a rejection mechanism, wherein the clamping table is arranged on the upper end surface of the supporting table, a rotating motor is arranged on the lower end surface of the supporting table, a plurality of mounting notches are formed in the edge of the clamping table along the circumferential direction, a top plate is arranged at the upper end of the upright post, the lifting motor is arranged on the top plate, an output shaft of the lifting motor is connected with the lifting plate, the detection head is arranged on the lifting plate and is connected with the lifting plate, and the rejection mechanism is arranged on the supporting table. According to the light-emitting diode detection device, the supporting table, the clamping table, the detection head and the rejection mechanism are arranged, so that automatic detection and rejection of the light-emitting diodes are realized, the detection precision and the detection efficiency are improved, and the cost of manpower and material resources is reduced.)

1. A light-emitting diode detection device is characterized by comprising an upright post, a supporting table, a clamping table, a lifting plate, a detection head, a detector and a collecting box, wherein the cross sections of the supporting table and the clamping table are circular, the supporting table is arranged below the upright post, the clamping table is arranged on the upper end face of the supporting table, a rotating motor is arranged on the lower end face of the supporting table, an output shaft of the rotating motor penetrates through a shaft table and is connected with the circle center of the lower end face of the clamping table, a plurality of mounting notches are arranged on the edge of the clamping table along the circumferential direction and penetrate through the upper end face and the lower end face of the clamping table, a top plate is arranged at the upper end of the upright post, the lifting motor is arranged on the top plate, an output shaft of the lifting motor is connected with the lifting plate, the detection head is arranged on the lifting plate, the detection head is connected with the lifting plate, the detection head is located right above any one of the installation gaps, the supporting table is provided with a rejection mechanism, the collection box is located right below the rejection mechanism, and the detector is connected with the rejection mechanism.

2. The led test apparatus of claim 1, wherein: the top plate is provided with a positioning sleeve, the lifting plate is provided with a positioning shaft, and the positioning shaft is arranged in the positioning sleeve.

3. The led test apparatus of claim 1, wherein: the detection head comprises a material pressing head, a positive electrode and a negative electrode, the positive electrode and the negative electrode are symmetrically arranged on two sides of the material pressing head, and one end, far away from the lifting plate, of the material pressing head is provided with a telescopic spring.

4. The led test apparatus of claim 1, wherein: the removing mechanism comprises a removing opening, a removing plate and a driving motor, the removing opening is formed in any supporting platform right below the installation notch, the removing plate is arranged in the removing notch, the removing plate is hinged to the installation plate, the driving motor is installed on the supporting platform, an output shaft of the driving motor is connected with the removing plate through a transmission plate, and the collecting box is located right below the removing notch.

5. The led test apparatus of claim 4, wherein: the rejecting port is located right below the detecting head.

6. The led test apparatus of claim 1, wherein: and an extension line of a central axis of the mounting notch in the length direction passes through the circle center of the clamping table.

7. The led test apparatus of claim 1, wherein: the rotating motor is a stepping motor.

Technical Field

The invention relates to the technical field of diode detection equipment, in particular to an automatic detection device for a light-emitting diode.

Background

The light emitting diode is one of semiconductor diodes, can convert electric energy into light energy, has the advantages of small volume, large scattering angle, good light emitting uniformity, high reliability and the like, and is widely applied to elements requiring signal indication and illumination. The heart of the light emitting diode is a semiconductor wafer, one end of the wafer is attached to a support and is a cathode, the other end of the wafer is connected with an anode of a power supply, the semiconductor wafer is composed of two parts, one part is a P-type semiconductor, holes in the wafer are dominant, the other end of the wafer is an N-type semiconductor, and electrons are mainly in the wafer. When the two semiconductors are connected, a "P-N junction" is formed between them. When a current is applied to the wafer through the conductive lines, electrons are pushed to the P region where they recombine with holes and then emit energy in the form of photons, which is the light emitting principle of the led.

The LED is required to be detected before being used, the existing detection method is to manually detect the electrifying performance of the LED one by one and reject unqualified pieces, and because the number of the LEDs is large, a large amount of manpower and material resources are consumed in the detection of the LEDs and the rejection process of unqualified pieces.

Disclosure of Invention

The invention aims to provide a light-emitting diode detection device, which can solve the problems that the efficiency of the light-emitting diode detection and elimination process is low and a large amount of manpower and material resources are required to be consumed in the prior art.

In order to solve the problems, the invention adopts the following technical scheme:

the invention provides a light-emitting diode detection device, which comprises an upright post, a supporting table, a clamping table, a lifting plate, a detection head, a detector and a collecting box, wherein the cross sections of the supporting table and the clamping table are circular, the supporting table is arranged below the upright post, the clamping table is arranged on the upper end surface of the supporting table, the lower end surface of the supporting table is provided with a rotating motor, an output shaft of the rotating motor penetrates through a shaft table and is connected with the circle center of the lower end surface of the clamping table, a plurality of installation notches are arranged at the edge of the clamping table along the circumferential direction, the installation notches penetrate through the upper end surface and the lower end surface of the clamping table, the upper end of the upright post is provided with a top plate, the lifting motor is arranged on the top plate, the output shaft of the lifting motor is connected with the lifting plate, the detection head is arranged on the lifting plate, the detection head, the detection head is located right above any one of the installation gaps, the supporting table is provided with a rejection mechanism, the collection box is located right below the rejection mechanism, and the detector is connected with the rejection mechanism.

As a preferred technical scheme, a positioning sleeve is arranged on the top plate, a positioning shaft is arranged on the lifting plate, and the positioning shaft is arranged in the positioning sleeve.

The lifting plate is ensured to keep linear motion when moving up and down by the positioning sleeve and the positioning shaft, and the detection head is ensured to be accurately butted with the light-emitting diode.

As a preferred technical scheme, the detection head comprises a material pressing head, a positive electrode and a negative electrode, the positive electrode and the negative electrode are symmetrically arranged on two sides of the material pressing head, and one end, far away from the lifting plate, of the material pressing head is provided with a telescopic spring.

The telescopic spring is firstly contacted with the light emitting diode, and the positive electrode and the negative electrode are gradually contacted with the light emitting diode in the compression process, so that the buffer force among the positive electrode, the negative electrode and the light emitting diode is provided, and the damage of the light emitting diode caused by overlarge stress in the contact process is avoided.

According to the preferable technical scheme, the removing mechanism comprises a removing opening, a removing plate and a driving motor, the removing opening is formed in any supporting platform under the installation notch, the removing plate is arranged in the removing notch, the removing plate is hinged to the installation plate, the driving motor is installed on the supporting platform, an output shaft of the driving motor is connected with the removing plate through a transmission plate, and the collecting box is located under the removing notch.

Further technological effect, when the detector detects out that emitting diode is impaired piece, driving motor's output shaft passes through the driving plate and drives the board rotation of rejecting, and impaired piece falls into in the collecting box along with the rotation of rejecting the board.

Preferably, the removing port is located right below the detecting head.

As a preferable technical scheme, an extension line of a central axis in the length direction of the installation notch passes through the center of the clamping table.

Preferably, the rotating motor is a stepping motor.

According to the LED detection device, the supporting table, the clamping table, the detection head and the removing mechanism are arranged, the clamping table is used for pre-clamping the LEDs and driving the LEDs to move, when the LEDs move to the position right below the detection head, the detection head moves downwards to fix and detect the LEDs, the removing mechanism is used for removing unqualified workpieces, automatic detection and removal of the LEDs are achieved, detection accuracy and detection efficiency are improved, and labor and material costs are reduced.

Drawings

The invention is described in further detail below with reference to specific embodiments and with reference to the following drawings.

Fig. 1 is a schematic structural diagram of a light emitting diode detection device according to the present invention.

FIG. 2 is a schematic structural diagram of a clamping table in the LED inspection apparatus according to the present invention.

Wherein the reference numerals are specified as follows: the device comprises an upright post 1, a supporting table 2, a clamping table 3, a top plate 4, a detector 5, a detection head 6, a material pressing head 7, a collecting box 8, a lifting plate 9, a lifting motor 10, a positioning sleeve 11, a positioning shaft 12, an installation notch 13, a rotating motor 14, a rejection plate 15, a driving motor 16, a transmission plate 17, a positive electrode 18 and a negative electrode 19.

Detailed Description

As shown in fig. 1, the light emitting diode detection device comprises an upright post 1, a support table 2, a clamping table 3, a lifting plate 9, a detection head 6, a detector 5 and a collection box 8, wherein the cross sections of the support table 2 and the clamping table 3 are circular, the support table 2 is installed below the upright post 1, the clamping table 3 is arranged on the upper end face of the support table 2, a rotating motor 14 is installed on the lower end face of the support table 2, and the rotating motor 14 is a stepping motor. An output shaft of the rotating motor 14 penetrates through the pillow block and is connected with the circle center of the lower end face of the clamping table 3. As shown in fig. 2, 12 installation notches 13 are circumferentially provided at the edge of the clamping table 3, the installation notches 13 penetrate through the upper end surface and the lower end surface of the clamping table 3, and an extension line of a central axis of the installation notch 13 in the length direction passes through the center of the clamping table 3.

As shown in fig. 1, a top plate 4 is arranged at the upper end of a column 1, a lifting motor 10 is installed on the top plate 4, an output shaft of the lifting motor 10 is connected with a lifting plate 9, a positioning sleeve 11 is arranged on the top plate 4, a positioning shaft 12 is arranged on the lifting plate 9, and the positioning shaft 12 is installed in the positioning sleeve 11. The locating sleeve 11 and the locating shaft 12 ensure that the lifting plate 9 keeps linear motion when moving up and down, and ensure that the detection head 6 can be accurately butted with the light emitting diode. Detect first 6 and install on lifter plate 9, detect first 6 and connect lifter plate 9, detect first 6 and be located any one in installation breach 13 directly over, detect first 6 and include pressure stub bar 7, positive electrode 18 and negative electrode 19, positive electrode 18 sets up in the both sides of pressing stub bar 7 with negative electrode 19 symmetry, presses the one end that lifter plate 9 was kept away from to stub bar 7 to be equipped with expanding spring. The telescopic spring is firstly contacted with the light emitting diode, the positive electrode 18 and the negative electrode 19 are gradually contacted with the light emitting diode in the compression process, the buffer force among the positive electrode 18, the negative electrode 19 and the light emitting diode is provided, and the damage of the light emitting diode caused by overlarge stress in the contact process is avoided.

The supporting table 2 is provided with a rejecting mechanism, the collecting box 8 is arranged under the rejecting mechanism, and the detector 5 is connected with the rejecting mechanism. The removing mechanism comprises a removing opening, a removing plate 15 and a driving motor 16, and the removing opening is positioned right below the detection head 6. The removing plate 15 is arranged in the removing notch, the removing plate 15 is hinged with the mounting plate, the driving motor 16 is mounted on the supporting table 2, an output shaft of the driving motor 16 is connected with the removing plate 15 through the transmission plate 17, and the collecting box 8 is located right below the removing notch. When the detector 5 detects that the light emitting diode is a damaged part, the output shaft of the driving motor 16 drives the removing plate 15 to rotate through the transmission plate 17, and the damaged part falls into the collecting box 8 along with the rotation of the removing plate 15.

The working process is as follows: a workpiece to be detected is sequentially placed into the mounting notch 13 to be pre-fixed, the lifting motor 10 drives the lifting plate 9 to move downwards, the pressing head 7 compresses the light emitting diode, the positive electrode 18 and the negative electrode 19 are in contact with the light emitting diode, the detector 5 detects the light emitting diode, when the light emitting diode is a qualified piece, the lifting motor 10 moves upwards, and the rotating motor 14 drives the clamping table 3 to rotate one station to detect the next light emitting diode. When the light emitting diode is an unqualified piece, the output shaft of the driving motor 16 drives the removing plate 15 to rotate through the transmission plate 17, the damaged piece falls into the collecting box 8 along with the rotation of the removing plate 15, the lifting motor 10 moves upwards after the removing plate 15 is reset, and the rotating motor 14 drives the clamping table 3 to rotate one station to detect the next light emitting diode.

The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.