COB packaging appearance micro-tolerance detection device

Abstract

The utility model discloses a COB packaging appearance micro tolerance detection device comprising a circuit board conveying channel, the circuit board conveying channel is provided with a lifting mechanism, a photographing device is arranged above the lifting mechanism, a stroke light-transmitting sheet assembly is arranged between the photographing device and the circuit board conveying channel, and the stroke light-transmitting sheet assembly is connected with the circuit board conveying channel. A positioning structure used for positioning the circuit board is arranged between the lower portion of the photographing device and the circuit board conveying channel, the circuit board can be successively conveyed to the lower portion of the photographing device in the channel, feeding is convenient, the transverse position of the circuit board can be better positioned after positioning insertion rods on the two sides descend, positioning is more accurate, and the circuit board can be conveniently conveyed to the lower portion of the photographing device. The stroked light-transmitting piece assembly is arranged on the stroked light-transmitting piece assembly, sampling of the COB packaging size by a photographing device is facilitated, the stroked light-transmitting piece assembly descends to the position above the COB packaging after positioning, the difference between the stroked light and the edge of the COB packaging can be well compared, detection is facilitated, and net earning COB packaging size detection is achieved.

Description

Technical Field

[0001] The utility model relates to a COB package size detection device, in particular to a COB package external micro-tolerance detection device. Background Art

[0002] There is a standard for COB package size in the production process. Defective products will occur if the size is too large or too small. Manual simple inspection cannot meet the industrial production standard. Therefore, a device capable of assisting in detecting the COB micro-tolerance size needs to be designed.

[0003] Therefore, the existing COB package size detection device needs to be further improved. Content of the Utility Model

[0004] The purpose of the utility model is to provide a COB package external micro-tolerance detection device, which can assist in positioning and detecting the COB package size, and can conveniently and accurately sample the COB package size in cooperation with a photographing device, facilitating subsequent accurate identification and comparison of pictures.

[0005] In order to achieve the above purpose, the utility model adopts the following scheme:

[0006] A COB package external micro-tolerance detection device includes a circuit board conveying channel, a lifting mechanism is arranged on the circuit board conveying channel, a photographing device is arranged above the lifting mechanism, a stroking light-transmitting sheet assembly is arranged between the photographing device and the circuit board conveying channel, and a positioning structure for positioning the circuit board is arranged between the lower part of the photographing device and the circuit board conveying channel.

[0007] Further, the circuit board conveying channel includes a bottom plate, and side plates are arranged on both sides of the bottom plate.

[0008] Further, the lifting mechanism includes cross plates arranged on both sides of the circuit board conveying channel, a plurality of vertical shaft holes are arranged on the cross plates, vertical shaft bodies are movably arranged up and down in the vertical shaft holes, and a push rod motor is connected between the lower ends of the plurality of vertical shaft bodies.

[0009] Further, the push rod motor is communicatively connected with a control module.

[0010] Further, the photographing device is communicatively connected with an image comparison module.

[0011] Further, the stroking light-transmitting sheet assembly includes a light-transmitting sheet fixing frame arranged between the upper ends of the plurality of vertical shaft bodies, a light-transmitting sheet is installed in the light-transmitting sheet fixing frame, and a square marking line is arranged on the light-transmitting sheet.

[0012] Further, the photographing device is arranged at intervals above the light-transmitting sheet.

[0013] Furthermore, the positioning structure includes positioning insertion rods arranged on both sides of the fixed frame of the light-transmitting sheet, and a relief slot is arranged on the circuit board conveying channel below the positioning insertion rods.

[0014] Furthermore, the lower end of the positioning insertion rod is triangularly arranged.

[0015] In summary, the beneficial effects of the present utility model compared with the prior art are as follows:

[0016] The present utility model solves the deficiencies existing in the existing COB packaging size detection device. Through the structural arrangement of the present utility model, the following advantages are achieved. The circuit board can be successively sent below the photographing device in the channel, facilitating feeding. And after the positioning insertion rods on both sides descend, the lateral position of the circuit board can be better positioned, with more accurate positioning, facilitating the photographing device to sample the COB packaging size. After positioning, the edge-tracing light-transmitting sheet assembly descends above the COB packaging, which can better compare the difference between the edge tracing and the edge of the COB packaging, facilitating detection, realizing the net COB packaging size detection, and having a simple structure and convenient use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is one of the three-dimensional views of the present utility model;

[0018] Figure 2 is the second three-dimensional view of the present utility model;

[0019] Figure 3 is the schematic internal structure diagram of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer to Figures 1-3 , the present utility model provides a COB packaging external dimension micro-tolerance detection device, including a circuit board conveying channel 1, a lifting mechanism 2 is arranged on the circuit board conveying channel 1, a photographing device 3 is arranged above the lifting mechanism 2, an edge-tracing light-transmitting sheet assembly 4 is arranged between the photographing device 3 and the circuit board conveying channel 1, and a positioning structure 5 for positioning the circuit board is arranged between the photographing device 3 below and the circuit board conveying channel 1;

[0022] During operation, the packaged circuit board is pushed in the circuit board conveying channel 1;

[0023] When one of the circuit boards moves to the position below the camera device 3, the lifting mechanism 2 is started;

[0024] The lifting mechanism 2 drives the camera device 3 and the outline transparent sheet assembly 4 to descend to a position above the circuit board 100;

[0025] The surface of the outlined light-transmitting sheet component 4 is drawn with a standard COB package size outline. If the package size exceeds the outline or does not reach the outline, it is considered a failed finished product.

[0026] Next, the camera device 3 samples the contour line and the COB package; the reference picture at this time is convenient for subsequent image processing and judgment;

[0027] The photographed picture will be transmitted to the processing module, which will make a judgment on the current picture and compare it with the standard picture taken in advance. Different prompts will be issued for qualified and unqualified pictures.

[0028] The circuit board conveying channel 1 of the present invention comprises a bottom plate 101 , and side plates 102 are respectively arranged on both sides of the bottom plate 101 .

[0029] The lifting mechanism 2 of the utility model includes a horizontal plate 201 arranged on both sides of the circuit board conveying channel 1, and a plurality of vertical axis holes 202 are arranged on the horizontal plate 201. A vertical axis body 203 is movably arranged in the vertical axis hole 202, and a push rod motor 204 is connected between the lower ends of the plurality of vertical axis bodies 203.

[0030] The push rod motor 204 of the present invention is communicatively connected to a control module.

[0031] The photographing device 3 of the present invention is communicatively connected with an image comparison module.

[0032] The outlined transparent sheet assembly 4 of the present invention comprises a transparent sheet fixing frame 401 arranged between the upper ends of the plurality of vertical shaft bodies 203 , a transparent sheet 402 is installed in the transparent sheet fixing frame 401 , and a square marking line 403 is arranged on the transparent sheet 402 .

[0033] The photographing device 3 of the present invention is disposed above the light-transmitting sheet 402 at intervals.

[0034] The positioning structure 5 of the present invention comprises positioning rods 501 arranged on both sides of the light-transmitting sheet fixing frame 401 , and a clearance slot 502 is arranged on the circuit board conveying channel 1 below the positioning rods 501 .

[0035] The lower end of the positioning rod 501 of the present invention is triangular in shape.

[0036] The above has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A COB package external micro-tolerance detection device, including a circuit board conveying channel (1), characterized in that: The circuit board conveying channel (1) is provided with a lifting mechanism (2), a camera device (3) is provided above the lifting mechanism (2), a light-transmitting sheet assembly (4) is provided between the camera device (3) and the circuit board conveying channel (1), and a positioning structure (5) for positioning the circuit board is provided between the camera device (3) and the circuit board conveying channel (1).

2. The micro-tolerance detection device for the COB package appearance according to claim 1, wherein: The circuit board conveying channel (1) comprises a bottom plate (101), and side plates (102) are respectively arranged on both sides of the bottom plate (101).

3. A COB package appearance micro-tolerance detection device according to claim 2, characterized in that: The lifting mechanism (2) comprises a horizontal plate (201) arranged on both sides of the circuit board conveying channel (1), the horizontal plate (201) is provided with a plurality of vertical axis holes (202), vertical axis bodies (203) are movably arranged in the vertical axis holes (202), and push rod motors (204) are connected between the lower ends of the plurality of vertical axis bodies (203).

4. The micro tolerance detection device for the COB package appearance according to claim 3, wherein: The push rod motor (204) is communicatively connected to a control module.

5. The COB package appearance micro-tolerance detection device according to claim 4, characterized in that: The photographing device (3) is communicatively connected to an image comparison module.

6. The COB package external dimension micro-tolerance detection device according to claim 5, characterized in that: The outlined light-transmitting sheet assembly (4) comprises a light-transmitting sheet fixing frame (401) arranged between the upper ends of a plurality of the vertical axis bodies (203), a light-transmitting sheet (402) being installed in the light-transmitting sheet fixing frame (401), and a square marking line (403) being arranged on the light-transmitting sheet (402).

7. The COB package appearance micro-tolerance detection device according to claim 6, characterized in that: The photographing device (3) is arranged above the light-transmitting sheet (402) at intervals.

8. A COB package appearance micro-tolerance detection device according to claim 7, characterized in that: The positioning structure (5) comprises positioning rods (501) arranged on both sides of the light-transmitting sheet fixing frame (401), and a clearance slot (502) is arranged on the circuit board conveying channel (1) below the positioning rods (501).

9. The COB package outline micro-tolerance detection device according to claim 8, wherein: The lower end of the positioning rod (501) is in a triangular shape.

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