AOI optical detection equipment SMT patch fixing structure

By using a rubber frame positioning groove and a negative pressure adsorption combined with a metal support frame supplementary lighting structure in AOI optical inspection equipment, the wear and pressure damage problems when clamping SMT components are solved, achieving a more stable and efficient inspection process.

CN224456627UActive Publication Date: 2026-07-03FUZHOU CHUANGGAO ELECTRONIC TECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
FUZHOU CHUANGGAO ELECTRONIC TECHNOLOGY CO LTD
Filing Date
2025-05-28
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Existing AOI optical inspection equipment is prone to causing scratches or pressure marks on the surface of SMT components when clamping them, which affects product quality.

Method used

Rubber frame positioning grooves are used for auxiliary positioning, and negative pressure is generated by air suction hood and air pump to adsorb and fix SMT pads. Combined with metal support frame and permanent magnet lighting structure, the clamping method is improved to reduce wear and pressure damage.

Benefits of technology

It improves the stability and effectiveness of SMT component inspection, reduces wear and damage on the component surface, and enhances the reliability and accuracy of inspection.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses an SMT patch fixing structure for an AOI optical inspection equipment, belonging to the technical field of AOI optical inspection equipment. It includes a base, a housing fixedly connected to the surface of the base, and a control panel installed between the base and the housing. A positioning component is installed inside the housing. The rubber frame is a rectangular structure adapted to the SMT patch being inspected, and the positioning groove on the surface of the rubber frame is also rectangular. When inspecting the SMT patch, it is first placed inside the positioning groove on the surface of the rubber frame, providing auxiliary positioning. The bottom of the rubber frame is connected to an air extraction connector via an air extraction hood. The air extraction connector is connected to the air extraction end of an air pump via an air extraction pipe. The air pump is started by an external control device, generating negative pressure at the opening of the air extraction hood to adsorb and fix the SMT patch, providing good stability, facilitating inspection, and reducing wear and damage to the SMT patch surface.
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Description

Technical Field

[0001] This utility model relates to the field of AOI optical inspection equipment technology, and more specifically, to an SMT patch fixing structure for AOI optical inspection equipment. Background Technology

[0002] AOI (Automated Optical Inspection) equipment is an automated device that uses optical principles for inspection. AOI equipment is primarily used in the electronics industry for the inspection and analysis of circuit board quality.

[0003] When using an AOI optical inspection instrument to inspect SMT components, the SMT components need to be placed in the inspection area of ​​the instrument. However, the clamping components of commonly used inspection instruments are prone to scratches or pressure marks on the surface of the SMT components during the clamping process, which affects product quality. Therefore, we have proposed an SMT component fixing structure for AOI optical inspection equipment to solve the above-mentioned problems. Utility Model Content

[0004] 1. Technical problems to be solved

[0005] To address the problems existing in the prior art, the purpose of this utility model is to provide an SMT patch fixing structure for an AOI optical inspection device. The base, housing, and control panel constitute an AOI optical inspection instrument. A detection component is installed at the top of the housing, and a positioning component is installed inside the housing. When SMT patches need to be inspected, the SMT patches are first placed in the positioning grooves on the surface of the rubber frame, which has an auxiliary limiting effect. The bottom of the rubber frame is connected to an air suction connector through an air suction hood. The air suction connector is connected to the suction end of an air pump through an air suction pipe. The air pump is started by an external control device, generating negative pressure at the opening of the air suction hood to adsorb and fix the SMT patches. This provides good stability and facilitates inspection, changing the traditional clamping method and reducing wear and pressure damage to the surface of the SMT patches.

[0006] 2. Technical Solution

[0007] To solve the above problems, the present invention adopts the following technical solution.

[0008] An SMT mounting structure for an AOI optical inspection device includes a base, a housing fixedly connected to the surface of the base, and a control panel installed between the base and the housing. A positioning component is installed inside the housing.

[0009] The positioning assembly includes a rubber frame fixedly connected to the bottom of the inner part of the housing, a positioning groove formed on the surface of the rubber frame, an air suction hood fixedly connected to the bottom of the rubber frame, an air extraction connector connected to the opening of the air suction hood, and an air extraction pipe fixedly connected to the surface of the air extraction connector.

[0010] Preferably, a ceramic insulating base is fixedly connected to the bottom of the inner part of the housing, and the ceramic insulating base is mounted on the outside of the rubber frame.

[0011] Preferably, the base has a storage slot inside, and an air pump is fixedly connected inside the storage slot.

[0012] Preferably, the suction end of the air pump and the end of the air extraction pipe are connected in a conductive manner, and the connection between the air pump and the air extraction pipe is filled with a sealing ring.

[0013] Preferably, a lighting assembly is installed inside the housing, and the lighting assembly includes a metal support frame fixedly connected to the inner wall of the housing.

[0014] Preferably, a permanent magnet is magnetically connected to the surface of the metal support frame, and a lamp holder is fixedly connected to the surface of the permanent magnet.

[0015] Preferably, an insulating board is adhered to the outer wall of the lamp holder, and a supplementary light is fixedly connected inside the lamp holder.

[0016] 3. Beneficial effects

[0017] Compared with existing technologies, the advantages of this utility model are:

[0018] (1) The base, housing and control panel of this solution form an AOI optical inspection instrument. The detection component is installed at the top of the housing. The positioning component is installed inside the housing. When SMT components need to be inspected, the SMT components are first placed in the positioning groove on the surface of the rubber frame, which has the effect of auxiliary positioning. The bottom of the rubber frame is connected to the air suction connector through the air suction hood. The air suction connector is connected to the air suction end of the air suction pump through the air suction pipe. The air suction pump is started by the external control device, and negative pressure is generated at the opening of the air suction hood to adsorb and fix the SMT components. It has good stability and is convenient for inspection. It changes the traditional clamping method and reduces the wear and crushing phenomenon on the surface of the SMT components.

[0019] (2) The internal structure of the housing of this solution is fixedly connected with a metal support frame. The permanent magnet of the lamp holder is magnetically fixed to the metal support frame. According to the needs of the test, the lamp holder can be held and the supplementary light can be magnetically fixed to the surface of the metal support frame by the permanent magnet, which is convenient for supplementary lighting and improves the test effect. Attached Figure Description

[0020] Figure 1This is a three-dimensional structural diagram of the present invention;

[0021] Figure 2 This is a schematic diagram of the base and housing structure of this utility model;

[0022] Figure 3 This is a schematic diagram of the base and air pump structure of this utility model;

[0023] Figure 4 This is a schematic diagram of the metal support frame and supplementary light structure of this utility model.

[0024] Explanation of the labels in the diagram:

[0025] 1. Base; 2. Housing; 3. Control panel; 4. Air pump; 5. Metal support frame; 6. Permanent magnet; 7. Fill light; 8. Light holder; 9. Ceramic insulating base; 10. Rubber frame; 11. Suction hood; 12. Suction pipe; 13. Suction connector. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0027] Example 1:

[0028] Please see Figure 1-4 An SMT mounting structure for an AOI optical inspection device includes a base 1, a housing 2 fixedly connected to the surface of the base 1, and a control panel 3 installed between the base 1 and the housing 2. A positioning component is installed inside the housing 2.

[0029] The positioning component includes a rubber frame 10 fixedly connected to the bottom of the inside of the housing 2, a positioning groove opened on the surface of the rubber frame 10, which places the SMT component inside the positioning groove on the surface of the rubber frame 10 and has an auxiliary positioning effect, an air suction hood 11 fixedly connected to the bottom of the rubber frame 10, an air suction connector 13 connected to the opening of the air suction hood 11, and an air suction pipe 12 fixedly connected to the surface of the air suction connector 13.

[0030] A ceramic insulating base 9 is fixedly connected to the bottom of the inner part of the housing 2. The ceramic insulating base 9 is mounted on the outside of the rubber frame 10. The ceramic insulating base 9 is set to provide anti-static protection for the test area. The housing 1 has a storage slot inside, and an air pump 4 is fixedly connected inside the storage slot. The suction end of the air pump 4 is connected to the end of the air extraction pipe 12. The air pump 4 is started by an external control device, generating negative pressure at the opening of the suction hood 11 to adsorb and fix the SMT chip. It has good stability and is convenient for testing. It changes the traditional clamping method. The connection between the air pump 4 and the air extraction pipe 12 is filled with a sealing ring.

[0031] It should be noted that the base 1, housing 2, and control panel 3 together form an AOI optical inspection instrument. A detection component is installed at the top of the housing 2, and a positioning component is installed inside the housing 2. When SMT components need to be inspected, the SMT components are first placed in the positioning groove on the surface of the rubber frame 10, which has an auxiliary limiting effect. The bottom of the rubber frame 10 is connected to the suction connector 13 through the suction hood 11. The suction connector 13 is connected to the suction end of the suction pump 4 through the suction pipe 12. The suction pump 4 is started by an external control device, generating negative pressure at the opening of the suction hood 11, which adsorbs and fixes the SMT components. It has good stability and is convenient for inspection. It changes the traditional clamping method and reduces wear and pressure damage to the surface of the SMT components.

[0032] See Figure 1-4 The housing 2 is equipped with an illumination assembly, which includes a metal support frame 5 fixedly connected to the inner wall of the housing 2. The metal support frame 5 is located inside the housing 2 and is mounted on the outside of the rubber frame 10. A permanent magnet 6 is magnetically connected to the surface of the metal support frame 5. A lamp holder 8 is fixedly connected to the surface of the permanent magnet 6. An insulating plate is adhered to the outer wall of the lamp holder 8. A supplementary light 7 is fixedly connected inside the lamp holder 8. The supplementary light 7 is magnetically fixed to the surface of the metal support frame 5 by the permanent magnet 6, which facilitates supplementary lighting and improves the detection effect.

[0033] It should be noted that a metal support frame 5 is fixedly connected inside the housing 2. The permanent magnet 6 of the lamp holder 8 is magnetically fixed to the metal support frame 5. According to the needs of the test, the lamp holder 8 can be held and the supplementary light 7 can be magnetically fixed to the surface of the metal support frame 5 by the permanent magnet 6, which facilitates supplementary lighting and improves the test effect.

[0034] In use: The base 1, housing 2, and control panel 3 form an AOI optical inspection instrument. A detection component is installed at the top of the housing 2, and a positioning component is installed inside the housing 2. When SMT components need to be inspected, the SMT components are first placed in the positioning grooves on the surface of the rubber frame 10, which has an auxiliary limiting effect. The bottom of the rubber frame 10 is connected to the suction connector 13 via the suction hood 11. The suction connector 13 is connected to the suction end of the suction pump 4 via the suction pipe 12. The system is controlled by an external control device. The vacuum pump 4 is activated to generate negative pressure at the opening of the suction hood 11, which adsorbs and fixes the SMT components, providing good stability and facilitating inspection. This changes the traditional clamping method and reduces wear and damage to the SMT component surface. The internal housing 2 is fixedly connected to a metal support frame 5, and the permanent magnet 6 of the lamp holder 8 is magnetically fixed to the metal support frame 5. As needed for inspection, the lamp holder 8 can be held, and the supplementary light 7 can be magnetically fixed to the surface of the metal support frame 5 through the permanent magnet 6, which facilitates supplementary lighting and improves the inspection effect.

[0035] The above description is merely a preferred embodiment of this utility model; however, the protection scope of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the technical scope disclosed in this utility model, based on the technical solution and its improved concept, should be included within the protection scope of this utility model.

Claims

1. An SMT mounting structure for an AOI optical inspection device, comprising a base (1), a housing (2) fixedly connected to the surface of the base (1), and a control panel (3) mounted between the base (1) and the housing (2), characterized in that: A positioning component is installed inside the housing (2); The positioning assembly includes a rubber frame (10) fixedly connected to the bottom of the inside of the housing (2), a positioning groove opened on the surface of the rubber frame (10), an air suction hood (11) fixedly connected to the bottom of the rubber frame (10), an air suction connector (13) connected to the opening of the air suction hood (11), and an air suction pipe (12) fixedly connected to the surface of the air suction connector (13).

2. The SMT patch fixing structure of the AOI optical detection equipment according to claim 1, characterized in that: A ceramic insulating base (9) is fixedly connected to the bottom of the inner part of the housing (2), and the ceramic insulating base (9) is mounted on the outside of the rubber frame (10).

3. The SMT patch fixing structure of the AOI optical detection equipment according to claim 1, characterized in that: The machine base (1) has a storage slot inside, and an air pump (4) is fixedly connected inside the storage slot of the machine base (1).

4. The SMT patch fixing structure of the AOI optical detection equipment according to claim 3, characterized in that: The suction end of the air pump (4) and the end of the air extraction pipe (12) are connected in a conductive manner, and the connection between the air pump (4) and the air extraction pipe (12) is filled with a sealing ring.

5. The SMT patch fixing structure of the AOI optical detection equipment according to claim 1, characterized in that: The interior of the housing (2) is equipped with a lighting assembly, which includes a metal support frame (5) fixedly connected to the inner wall of the housing (2).

6. The SMT patch fixing structure of the AOI optical inspection equipment according to claim 5, characterized in that: The surface of the metal support frame (5) is magnetically connected to a permanent magnet (6), and the surface of the permanent magnet (6) is fixedly connected to a lamp holder (8).

7. The SMT patch fixing structure of the AOI optical inspection equipment according to claim 6, characterized in that: An insulating board is bonded to the outer wall of the lamp holder (8), and a supplementary light (7) is fixedly connected inside the lamp holder (8).