Positioning mechanism for visual inspection of computer mainboard

Abstract

The utility model discloses a positioning mechanism for computer mainboard visual inspection, which relates to the technical field of computer mainboard detection and comprises a positioning table, a plurality of positioning mechanisms are arranged on the upper surface of the positioning table, a placement groove is formed in the rear side surface of the positioning table, and a motor is mounted on the right side below the inner wall of the placement groove. The output end of the motor is fixed to the rear side of the belt pulley on the right side, a clamping block is installed on the outer wall of the belt, a connecting block is installed on the rear side of the clamping block, and a top plate is jointly installed above the left side and the right side of the connecting block through limiting blocks. When the computer mainboard is detected, the position of the computer mainboard is firstly positioned, the visual detector body in the shading box is driven to move to the position over the computer mainboard through the belt after positioning is completed, the electric push rod is driven to enable the shading box to cover the computer mainboard for detection, and the detection effect can be prevented from being influenced by an external light source.

Description

Technical Field

[0001] The utility model relates to the technical field of computer mainboard detection, in particular to a positioning mechanism for visual detection of computer mainboards. Background Art

[0002] Computer motherboard, also known as mainboard, system board or motherboard, is one of the most basic and important components of a computer. The motherboard is generally a rectangular circuit board on which the main circuit systems that make up the computer are installed. Generally, computer motherboards are inspected by visual inspection instruments after they are produced. Visual inspection instruments use industrial cameras to replace human eyes to complete functions such as recognition, measurement, and positioning. Generally, visual inspection systems are composed of cameras, lenses, and light sources. They can replace manual inspections of barcode characters, cracks, packaging, surface layer integrity, depressions, etc. The use of visual inspection systems can effectively improve the inspection speed and accuracy of production lines.

[0003] When the existing detection and positioning mechanism is used, the circuit board is first fixed in a certain position, and then it is inspected by a visual inspection instrument. In this setting, since the detection system of the visual inspection instrument is composed of a camera, a lens, and a light source, the external light source will affect the detection effect of the visual inspection instrument, making the detection inaccurate. Therefore, a positioning mechanism for computer motherboard visual inspection is needed to meet people's needs. Utility Model Content

[0004] The purpose of the utility model is to provide a positioning mechanism for visual inspection of a computer motherboard, so as to solve the problem raised in the above background technology that since the inspection system of the visual inspection instrument is composed of a camera, a lens, and a light source, the external light source may affect the inspection effect of the visual inspection instrument, resulting in inaccurate inspection.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positioning mechanism for visual inspection of a computer motherboard, comprising a positioning platform, a plurality of positioning mechanisms are arranged on the upper surface of the positioning platform, a placement groove is opened on the rear surface of the positioning platform, a motor is installed on the right side below the inner wall of the placement groove, pulleys are rotatably installed on the left and right sides of the front side of the inner wall of the placement groove, the two pulleys are rotatably connected together by a belt, the output end of the motor is fixed to the rear side of the right pulley, a clamping block is installed on the outer wall of the belt, a connecting block is installed on the rear side of the clamping block, a top plate is installed on the upper part of the left and right sides of the connecting block through a limit block, and a detection mechanism is arranged below the top plate.

[0006] Preferably, the detection mechanism includes an electric push rod, the upper surface of the electric push rod is fixed to the lower surface of the top plate, a mounting plate is installed at the output end of the electric push rod, compression springs are installed at the four corners of the lower surface of the mounting plate, a light-shielding box is commonly installed at the lower ends of the plurality of compression springs, and the visual detection instrument body is installed above the inner wall of the light-shielding box.

[0007] Preferably, the positioning mechanism includes two L-shaped plates, two guiding telescopic rods are installed on the opposite sides of the inner walls of the two L-shaped plates, the outer walls of the plurality of guiding telescopic rods are sleeved with limit springs, a clamping plate is commonly installed at one end of a corresponding group of limit springs, and a computer motherboard is commonly arranged on the opposite sides of the two clamping plates.

[0008] Preferably, support legs are installed at the four corners of the lower surface of the positioning platform.

[0009] Preferably, a business card box is installed on the front side of a corresponding group of the L-shaped plates.

[0010] Preferably, guide rods are installed on both left and right sides of the upper surface of the mounting plate, the two guide rods penetrate and extend to the top of the top plate, and the upper ends of the two guide rods are installed with limit plates.

[0011] Preferably, the plurality of compression springs are all made of metal material.

[0012] The beneficial effects of the utility model are:

[0013] In the utility model, through the arrangement of the positioning table, placement slot, motor, pulley, belt, clamp block, connection block, limit block, top plate, detection mechanism and positioning mechanism, when detecting the computer motherboard, its position can be positioned first, and after positioning, the visual inspection instrument body in the shading box is driven by the belt to move to the top of the computer motherboard, and the electric push rod is driven so that the shading box covers the computer motherboard for detection, which can prevent the external light source from affecting the detection effect.

[0014] In the utility model, by setting the positioning mechanism and the business card box, a plurality of positioning mechanisms are set, so that positioning detection can be performed on a plurality of different computer mainboards, thereby improving the detection efficiency. Moreover, the computer mainboard's own information can be placed in the business card box for distinction, and the practicability is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a positioning mechanism for visual inspection of a computer motherboard proposed by the utility model;

[0016] Figure 2 This is a rear-view stereoscopic structural diagram of a positioning mechanism for visual inspection of a computer motherboard proposed by the utility model;

[0017] Figure 3 The utility model proposes a positioning mechanism for visual inspection of a computer motherboard Figure 2 A is an enlarged structural diagram;

[0018] Figure 4 The utility model discloses a side view cross-sectional structure diagram of a positioning mechanism for visual inspection of a computer motherboard.

[0019] In the figure: 1. positioning table; 2. placement slot; 3. motor; 4. pulley; 5. belt; 6. clamping block; 7. connecting block; 8. limit block; 9. top plate; 10. electric push rod; 11. mounting plate; 12. compression spring; 13. light shielding box; 14. visual inspection instrument body; 15. L-shaped plate; 16. guide telescopic rod; 17. limit spring; 18. clamping plate; 19. computer motherboard; 20. guide rod; 21. limit plate; 22. business card box; 23. support leg. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Example: Please refer to Figure 1-4 The utility model provides a technical solution: a positioning mechanism for visual inspection of a computer motherboard, comprising a positioning platform 1, a plurality of positioning mechanisms are arranged on the upper surface of the positioning platform 1, a placement groove 2 is opened on the rear side surface of the positioning platform 1, a motor 3 is installed on the right side below the inner wall of the placement groove 2, and pulleys 4 are rotatably installed on the left and right sides of the front side of the inner wall of the placement groove 2, and the two pulleys 4 are rotatably connected together by a belt 5, and the output end of the motor 3 is fixed to the rear side of the right pulley 4, and a clamping block 6 is installed on the outer wall of the belt 5, and a connecting block 7 is installed on the rear side of the clamping block 6, and a top plate 9 is installed on the upper part of the left and right sides of the connecting block 7 through a limit block 8, and a detection mechanism is arranged below the top plate 9, which can be used to locate the position of the computer motherboard 19 when inspecting the computer motherboard 19, and after the positioning is completed, the visual inspection instrument body 14 in the light-shielding box 13 is driven by the belt 5 to move to the top of the computer motherboard 19, and the electric push rod 10 is driven to make the light-shielding box 13 cover the computer motherboard 19 for inspection, which can prevent the external light source from affecting the inspection effect.

[0022] like Figure 1As shown, the positioning mechanism includes two L-shaped plates 15, two guiding telescopic rods 16 are installed on the opposite sides of the inner walls of the two L-shaped plates 15, and the outer walls of the plurality of guiding telescopic rods 16 are sleeved with limit springs 17, and a clamping plate 18 is commonly installed at one end of a corresponding group of limit springs 17, and a computer mainboard 19 is commonly arranged on the opposite sides of the two clamping plates 18, and a business card box 22 is installed on the front side of a corresponding group of L-shaped plates 15. By setting up multiple groups of positioning mechanisms, positioning detection can be performed on multiple different computer mainboards 19, thereby improving the detection efficiency, and the business card box 22 can be used to place the computer mainboard 19's own information for distinction, which is highly practical.

[0023] like Figure 2 and 4 As shown, support legs 23 are installed at the four corners of the lower surface of the positioning platform 1, which can support the bottom of the equipment to ensure its stability in use. Guide rods 20 are installed on the left and right sides of the upper surface of the mounting plate 11. The two guide rods 20 penetrate and extend to the top of the top plate 9. Limit plates 21 are installed at the upper ends of the two guide rods 20 to further guide the moving trajectory of the mounting plate 11 to ensure the accuracy of positioning. The multiple compression springs 12 are made of metal material, which can increase the service life of the multiple compression springs 12 themselves.

[0024] Working principle of the utility model: when in use, the corresponding set of clamps 18 can be separated first, at this time, the limit springs 17 on the corresponding set of guide telescopic rods 16 are compressed, and the computer motherboard 19 is placed between the corresponding set of clamps 18, and the two clamps 18 are loosened. At this time, the computer motherboard 19 is positioned between the two L-shaped plates 15 under the elastic stress of the limit springs 17;

[0025] At this time, the motor 3 in the placement slot 2 is turned on, and the output end of the motor 3 drives the two pulleys 4 to rotate through the belt 5. At this time, the belt 5 drives the clamping block 6 to move left and right, and the clamping block 6 drives the front top plate 9 to move left and right through the connecting block 7 and the two limit blocks 8, so that the light-shielding box 13 under the top plate 9 is located directly above the corresponding computer motherboard 19. At this time, the output end of the electric push rod 10 is controlled to move downward, and 11 will drive the light-shielding box 13 to move downward through multiple compression springs 12, covering the computer motherboard 19 to prevent external light sources from affecting the detection. At this time, the visual inspection instrument body 14 in the light-shielding box 13 can be opened to inspect the computer motherboard 19. After the inspection is completed, move to the top of the next computer motherboard 19 for the next inspection.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A positioning mechanism for visual inspection of a computer motherboard, comprising a positioning platform (1), characterized in that: The upper surface of the positioning platform (1) is provided with a plurality of positioning mechanisms, the rear side surface of the positioning platform (1) is provided with a placement groove (2), a motor (3) is installed on the right side below the inner wall of the placement groove (2), pulleys (4) are rotatably installed on the left and right sides of the front side of the inner wall of the placement groove (2), the two pulleys (4) are rotatably connected together through a belt (5), the output end of the motor (3) is fixed to the rear side of the right pulley (4), the outer wall of the belt (5) is installed with a clamping block (6), the rear side of the clamping block (6) is installed with a connecting block (7), the upper sides of the left and right sides of the connecting block (7) are jointly installed with a top plate (9) through a limit block (8), and a detection mechanism is arranged below the top plate (9).

2. A computer motherboard visual inspection positioning mechanism according to claim 1, characterized in that: The detection mechanism comprises an electric push rod (10), the upper surface of the electric push rod (10) is fixed to the lower surface of the top plate (9), the output end of the electric push rod (10) is installed with a mounting plate (11), compression springs (12) are installed at the four corners of the lower surface of the mounting plate (11), a light shielding box (13) is installed at the lower ends of the plurality of compression springs (12), and a visual detection instrument body (14) is installed above the inner wall of the light shielding box (13).

3. A computer motherboard visual inspection positioning mechanism according to claim 1, characterized in that: The positioning mechanism comprises two L-shaped plates (15), two guiding telescopic rods (16) are installed on opposite sides of the inner walls of the two L-shaped plates (15), the outer walls of the plurality of guiding telescopic rods (16) are sleeved with limit springs (17), a clamping plate (18) is installed at one end of a corresponding group of limit springs (17), and a computer motherboard (19) is arranged on opposite sides of the two clamping plates (18).

4. A computer motherboard visual inspection positioning mechanism according to claim 1, characterized in that: Support legs (23) are installed at the four corners of the lower surface of the positioning platform (1).

5. A computer motherboard visual inspection positioning mechanism according to claim 3, characterized in that: A business card box (22) is installed on the front side of a corresponding group of L-shaped plates (15).

6. A computer motherboard visual inspection positioning mechanism according to claim 2, characterized in that: Guide rods (20) are installed on both left and right sides of the upper surface of the mounting plate (11), and the two guide rods (20) penetrate and extend to the top of the top plate (9), and the upper ends of the two guide rods (20) are installed with limit plates (21).

7. A computer motherboard visual inspection positioning mechanism according to claim 2, characterized in that: The plurality of compression springs (12) are all made of metal material.

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