Full-automatic three-dimensional optical detection equipment for PCB assembly

Abstract

The utility model relates to a full-automatic three-dimensional optical detection device for PCB assembly, and the device comprises an assembly workbench, a conveying assembly, an assembly assembly, a detection assembly, and a heat dissipation dustproof assembly which is disposed between the detection assembly and the assembly assembly. The heat dissipation and dust prevention assembly comprises an installation part, a first air blower, a second air blower, a first dust prevention net and a second dust prevention net. The first blower is arranged on the mounting piece and faces the detection assembly, and the first dustproof net is arranged on the mounting piece; the second air blower is arranged on the installation piece and faces the assembling assembly, and the second dustproof net is arranged on the installation piece. The two air blowers are used for blowing air to the detection assembly and the assembly assembly for heat dissipation, and then the two dustproof nets are used for adsorbing dust, so that the problems that the assembled PCB does not meet the requirement due to the fact that the dust is attached to the PCB, and the detection precision is reduced due to the fact that overheating is prone to occurring in the process that the laser detector detects the assembled PCB for a long time are solved.

Description

Technical Field

[0001] The present application relates to the field of PCBs, and in particular to a fully automatic three-dimensional optical inspection device for PCB assembly. Background Art

[0002] In modern electronics manufacturing, printed circuit boards (PCBs) are the foundation of all electronic devices, and the quality of their assembly directly impacts the performance and reliability of the entire electronic product. As electronic products evolve toward higher precision, greater functionality, and miniaturization, the PCB assembly process has become increasingly complex, increasing the demands for precision and efficiency. Therefore, the adoption of efficient and accurate inspection technologies to ensure PCB assembly quality has become an inevitable trend in the industry.

[0003] Related technologies use high-precision optical instruments to perform real-time 3D scanning of PCBs in a dust-free environment, enabling rapid identification of defects during assembly, such as solder joints, component placement, and pin misalignment. This not only significantly improves inspection speed and accuracy but also reduces the need for manual inspection, further improving production efficiency and reducing costs.

[0004] Regarding the above technical solution, although the PCB assembly is carried out in a dust-free environment and a high-precision assembly effect can be achieved, a certain amount of dust will adhere to the PCB during the PCB assembly process. When the PCB with dust is assembled, it is easy for the assembled PCB to not meet the requirements. In addition, the laser detector is prone to overheating during the long-term inspection of the assembled PCB, resulting in a decrease in detection accuracy. Utility Model Content

[0005] In order to improve the problem that dust easily adheres to the PCB during PCB assembly, causing the assembled PCB to not meet the requirements, and the laser detector is prone to overheating during the long-term inspection of the assembled PCB, resulting in a decrease in inspection accuracy, the present application provides a fully automatic three-dimensional optical inspection equipment for PCB assembly.

[0006] The present application provides a fully automatic three-dimensional optical inspection equipment for PCB assembly, comprising: an assembly workbench, a conveying component, an assembly component, an inspection component and a heat dissipation and dustproof component; the conveying component is arranged on the assembly workbench, and the conveying component is used to convey the PCB substrate; the inspection component and the assembly component are arranged on the assembly workbench in sequence along a first direction, and are used to assemble and inspect the PCB substrate conveyed on the conveying component; the heat dissipation and dustproof component is arranged between the inspection component and the assembly component, and the heat dissipation and dustproof component includes a mounting component, a first blower, a second blower, a first dustproof net and a second dustproof net; the mounting component is arranged above the conveying component, the first blower is arranged on the mounting component, and the air blowing port of the first blower faces the detection component, the first dustproof net is arranged on the mounting component and is aligned with the air inlet of the first blower; the second blower is arranged on the mounting component, and the air blowing port of the second blower faces the assembly component, the second dustproof net is arranged on the mounting component and is aligned with the air inlet of the second blower.

[0007] As a preferred embodiment, the mounting part includes an assembly bracket, a connecting bracket, a first mounting plate and a second mounting plate, the assembly bracket spans above the conveying component and is fixed on the assembly workbench; the connecting bracket aligns the first mounting plate and the second mounting plate with each other and fixes them on the end face of the assembly bracket away from the assembly workbench; the first mounting plate is provided with a first mounting port and a first dustproof port, the second mounting plate is provided with a second dustproof port aligned with the first mounting port and a second mounting port aligned with the first dustproof port; the first blower is arranged on the first mounting port, and the first dustproof net is arranged on the second dustproof port; the second blower is arranged on the second mounting port, and the second dustproof net is arranged on the first dustproof port.

[0008] As a preferred solution, a cooling pipe and several cooling fins are provided between the first mounting plate and the second mounting plate, and an air intake gap is reserved between each of the cooling fins. The air intake gap is used for the first blower and the second blower to inhale air, and the cooling pipe is arranged around and through the cooling fins.

[0009] As a preferred solution, the conveying assembly includes a transmission mounting plate, a conveyor belt, a position sensor and a drive motor, and the conveyor belt is arranged on the transmission mounting plate; the drive motor is arranged on the side of the transmission mounting plate and drives the conveyor belt to rotate on the transmission mounting plate; the position sensor is arranged in the transmission mounting plate for detecting the position of the PCB on the conveyor belt.

[0010] As a preferred solution, the assembly component includes an assembly support frame, a first transmission member, a second transmission member and a grabbing member. The assembly support frame spans above the conveying component and is fixed on the assembly workbench; the first transmission member is arranged on the assembly support frame, and the second transmission member is arranged on the transmission terminal of the first transmission member, and the transmission terminal of the first transmission member drives the second transmission member to perform linear reciprocating motion along the second direction; the grabbing member is arranged on the transmission terminal of the second transmission member, and the transmission terminal of the second transmission member drives the grabbing member to perform linear reciprocating motion along the third direction, and the grabbing member is used to grab the PCB assembly and assemble it on the PCB substrate of the conveying component.

[0011] As a preferred solution, the detection component includes a detection support frame and a laser detector. The detection support frame is cantilevered above the conveying component and fixed on the assembly workbench. The laser detector is arranged on the detection support frame, and the detection end of the laser detector faces the conveying component.

[0012] Compared with the prior art, the present application has the following beneficial effects: dust reduction and good heat dissipation. The PCB substrate is stably transferred on the assembly workbench by the conveying component, ensuring efficient and smooth production line operation; the assembly component and the detection component are arranged in sequence along the first direction, ensuring seamless connection and high-precision control of the assembly and detection processes; the heat dissipation and dustproof component is set between the detection component and the assembly component, including two sets of blowers and dustproof nets, which respectively dissipate heat and remove dust for the assembly and detection components. The first blower and the second blower are used to blow air to the detection and assembly components respectively to dissipate heat, and then the first and second dustproof nets with negative pressure effects respectively absorb dust in the assembly component and detection component areas, ensuring the cleanliness of components and PCB substrates, improving the problem that dust is easily attached to the PCB during PCB assembly, causing the assembled PCB to fail to meet the requirements, and the laser detector is prone to overheating during the long-term detection of the assembled PCB, resulting in a decrease in detection accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0014] The structures, proportions, sizes, etc. depicted in the drawings of this specification are only used to match the contents disclosed in this specification so as to facilitate understanding and reading by those familiar with this technology. They are not intended to limit the conditions under which the present invention can be implemented, and therefore have no substantive technical significance. Any structural modifications, changes in proportional relationships, or adjustments in size, without affecting the efficacy and objectives that can be achieved by the present invention, should still fall within the scope of the technical contents disclosed in the present invention.

[0015] Figure 1 This is a schematic diagram of the overall structure of a fully automatic three-dimensional optical inspection device for PCB assembly in an embodiment of the present application;

[0016] Figure 2 yes Figure 1 A partial enlarged view of part "A";

[0017] Figure 3 It is an explosion diagram of the heat dissipation and dustproof component in an embodiment of the present application.

[0018] Description of reference numerals:

[0019] 1. Assembly workbench; 2. Conveyor component; 21. Transmission mounting plate; 22. Conveyor belt; 23. Position sensor; 24. Drive motor; 3. Assembly component; 31. Assembly support frame; 32. First transmission member; 33. Second transmission member; 34. Material grabbing member; 4. Detection component; 41. Detection support frame; 42. Laser detector; 5. Heat dissipation and dustproof component; 51. Mounting part; 511. Assembly bracket; 512. Connecting bracket; 513. First mounting plate; 5131. First mounting port; 5132. First dustproof port; 514. Second mounting plate; 5141. Second mounting port; 5142. Second dustproof port; 515. Cooling pipe; 516. Cooling fin; 52. First blower; 53. Second blower; 54. First dustproof net; 55. Second dustproof net. DETAILED DESCRIPTION

[0020] In order to make the purpose, features, and advantages of the present invention more obvious and easy to understand, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described below are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0021] In the description of the present invention, it should be understood that the terms "upper," "lower," "top," "bottom," "inner," "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of the present invention and simplify the description. They are not intended to indicate or imply that the devices or elements referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. It should be noted that when a component is considered to be "connected" to another component, it may be directly connected to the other component or there may be a centrally located component.

[0022] The technical solution of the present invention will be further described below with reference to the accompanying drawings and through specific implementation methods.

[0023] Example 1:

[0024] like Figures 1 to 3 As shown, the present application provides a fully automatic three-dimensional optical inspection equipment for PCB assembly, including an assembly workbench 1, a conveying component 2, an assembly component 3, an inspection component 4 and a heat dissipation and dustproof component 5; the conveying component 2 is arranged on the assembly workbench 1, and the conveying component 2 is used to convey the PCB substrate.

[0025] Through the precise and stable conveying function of the conveying component 2, efficient and smooth transportation of the PCB substrate on the production line is achieved, ensuring seamless connection of subsequent assembly and testing steps.

[0026] The detection component 4 and the assembly component 3 are sequentially arranged on the assembly workbench 1 along the first direction, and are used to assemble and detect the PCB substrate conveyed by the conveying component 2 .

[0027] Through the precise placement of the assembly component 3 and the high-resolution scanning of the detection component 4, precise control and instant feedback of the PCB assembly quality are achieved, thereby improving the product qualification rate and production efficiency.

[0028] The heat dissipation and dust-proof component 5 is arranged between the detection component 4 and the assembly component 3. The heat dissipation and dust-proof component 5 includes a mounting component 51, a first blower 52, a second blower 53, a first dust-proof net 54 and a second dust-proof net 55; the mounting component 51 is arranged above the transmission component 2, the first blower 52 is arranged on the mounting component 51, and the air blowing port of the first blower 52 is facing the detection component 4, the first dust-proof net 54 is arranged on the mounting component 51, and is aligned with the air inlet of the first blower 52; the second blower 53 is arranged on the mounting component 51, and the air blowing port of the second blower 53 is facing the assembly component 3, the second dust-proof net 55 is arranged on the mounting component 51, and is aligned with the air inlet of the second blower 53.

[0029] By setting a first blower 52 to dissipate heat in the operating area of ​​the detection component 4, the detection accuracy and long-term stable operation of the equipment are guaranteed, thereby improving product quality and reducing equipment maintenance costs, and then setting a first dustproof net 54 at the air inlet of the first blower 52, so that the first dustproof net 54 has a negative pressure effect to absorb dust from the assembly component 3, ensuring that dust is reduced during the assembly process of the assembly component 3; and then setting a second blower 53 to effectively dissipate heat and remove dust from the operating area of ​​the assembly component 3, further avoiding assembly errors caused by dust, improving assembly accuracy and reducing failure rate, and setting a second dustproof net 55 at the air inlet of the second blower 53, so that the second dustproof net 55 has a negative pressure effect to absorb dust from the detection component 4, avoiding dust from falling into the assembled PCB during the detection process of the detection component 4 and affecting the detection of the detection component 4.

[0030] In this embodiment, the PCB substrate is moved to the operating area of ​​the detection component 4 and the assembly component 3 by the conveying component 2, the assembly component 3 performs necessary assembly operations on the PCB substrate, and then the detection component 4 performs precise inspection on the assembled PCB substrate; in this process, the heat dissipation and dustproof component 5 plays a key role. The heat dissipation and dustproof component 5 is arranged between the detection component 4 and the assembly component 3 to ensure that before the assembly component 3 performs necessary assembly operations on the PCB substrate, the dust on the surface of the parts assembled to the PCB substrate by the assembly component 3 is effectively removed, and the detection component 4 is cooled to ensure that the detection component 4 is within an appropriate temperature range, thereby improving the problem that dust is easily attached to the PCB during PCB assembly, causing the assembled PCB to fail to meet the requirements, and the laser detector 42 is prone to overheating and a decrease in detection accuracy during a long period of time of detecting the assembled PCB.

[0031] Example 2:

[0032] like Figures 1 to 3 As shown, the mounting member 51 includes an assembly bracket 511, a connecting bracket 512, a first mounting plate 513 and a second mounting plate 514. The assembly bracket 511 spans above the conveying component 2 and is fixed on the assembly workbench 1; the connecting bracket 512 aligns the first mounting plate 513 and the second mounting plate 514 with each other and fixes them on the end face of the assembly bracket 511 away from the assembly workbench 1.

[0033] By assembling the bracket 511, the connecting bracket 512, the first mounting plate 513 and the second mounting plate 514, a stable layout and alignment of the various components of the device are achieved, ensuring the correct installation position of the hair dryer and the dustproof net, thereby enhancing the structural stability and operational efficiency of the overall device.

[0034] A first mounting port 5131 and a first dustproof port 5132 are provided on the first mounting plate 513, and a second dustproof port 5142 aligned with the first mounting port 5131 and a second mounting port 5141 aligned with the first dustproof port 5132 are provided on the second mounting plate 514; the first blower 52 is arranged on the first mounting port 5131, and the first dustproof net 54 is arranged on the second dustproof port 5142; the second blower 53 is arranged on the second mounting port 5141, and the second dustproof net 55 is arranged on the first dustproof port 5132.

[0035] By precisely aligning the blower and dust screen settings, effective air flow and dust control are achieved, ensuring maximum efficiency in heat dissipation and cleaning, thereby improving accuracy and equipment reliability during assembly and inspection.

[0036] At the same time, a cooling pipe 515 and several cooling fins 516 are arranged between the first mounting plate 513 and the second mounting plate 514. An air intake gap is reserved between each cooling fin 516. The air intake gap is used for the first blower 52 and the second blower 53 to inhale air. The cooling pipe 515 is arranged around and penetrates the cooling fin 516.

[0037] By arranging an efficient layout of the cooling tube 515 and the cooling fin 516, more effective heat dissipation management is achieved, ensuring low-temperature operation of the components, preventing overheating problems, maintaining equipment performance and improving long-term operational stability; the setting of the air intake gap allows the first blower 52 and the second blower 53 to inhale air through the first dustproof net 54 and the second dustproof net 55, so as to avoid the problem that the first blower 52 and the second blower 53 are blocked by the cooling fin 516 and cannot inhale air.

[0038] like Figures 1 to 3 As shown, the conveying assembly 2 includes a transmission mounting plate 21, a conveyor belt 22, a position sensor 23 and a drive motor 24. The conveyor belt 22 is arranged on the transmission mounting plate 21; the drive motor 24 is arranged on the side of the transmission mounting plate 21, and drives the conveyor belt 22 to rotate on the transmission mounting plate 21; the position sensor 23 is arranged in the transmission mounting plate 21 for detecting the position of the PCB on the conveyor belt 22.

[0039] Through the position sensor 23 and the precisely controlled drive motor 24, accurate positioning and smooth transmission of the PCB substrate are achieved, thereby improving the automation level and production efficiency of the production line.

[0040] like Figures 1 to 3As shown, the assembly component 3 includes an assembly support frame 31, a first transmission member 32, a second transmission member 33 and a material grabbing member 34. The assembly support frame 31 spans above the conveying component 2 and is fixed on the assembly workbench 1; the first transmission member 32 is arranged on the assembly support frame 31, and the second transmission member 33 is arranged on the transmission terminal of the first transmission member 32. The transmission terminal of the first transmission member 32 drives the second transmission member 33 to perform linear reciprocating motion along the second direction.

[0041] By utilizing an efficient transmission system and precise mechanical structure, fast and accurate assembly actions are achieved, ensuring assembly quality and improving operation speed.

[0042] The grabbing member 34 is set on the transmission terminal of the second transmission member 33, and the transmission terminal of the second transmission member 33 drives the grabbing member 34 to perform linear reciprocating motion along the third direction. The grabbing member 34 is used to grab the PCB assembly and assemble it onto the PCB substrate of the transmission component 2.

[0043] Through the precise control and flexible movements of the gripper 34 , efficient and reliable PCB assembly is achieved, ensuring the accuracy and quality of product assembly.

[0044] like Figures 1 to 3 As shown, the detection component 4 includes a detection support frame 41 and a laser detector 42. The detection support frame 41 is cantilevered above the conveying component 2 and fixed on the assembly workbench 1. The laser detector 42 is arranged on the detection support frame 41, and the detection end of the laser detector 42 is facing the conveying component 2.

[0045] Through high-precision laser inspection technology, immediate and accurate inspection of PCBs after assembly is achieved, significantly improving the product qualification rate and reducing defect output.

[0046] In this embodiment, by integrating sophisticated conveying, assembly, and inspection technologies, as well as efficient heat dissipation and dust control systems, high efficiency and high reliability of the PCB production line are achieved. Precisely aligned component installation and advanced automated control ensure accurate handling of PCB substrates throughout the entire production process, thereby improving overall production efficiency, reducing production costs, and significantly enhancing product quality. In addition, the comprehensive heat dissipation management and dust control strategies ensure the long-term stable operation of the equipment, reduce maintenance requirements, and extend the service life of the equipment.

[0047] As described above, the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A fully automatic three-dimensional optical inspection device for PCB assembly, characterized in that: include: An assembly workbench (1), a conveying component (2), an assembly component (3), a detection component (4), and a heat dissipation and dustproof component (5); The conveying component (2) is arranged on the assembly workbench (1), and the conveying component (2) is used to convey the PCB substrate; The detection component (4) and the assembly component (3) are sequentially arranged on the assembly workbench (1) along a first direction, and are used to assemble and detect the PCB substrate conveyed by the conveying component (2); The heat dissipation and dustproof component (5) is arranged between the detection component (4) and the assembly component (3), and the heat dissipation and dustproof component (5) includes a mounting member (51), a first blower (52), a second blower (53), a first dustproof net (54), and a second dustproof net (55); The mounting member (51) is arranged above the transmission component (2), the first blower (52) is arranged on the mounting member (51), and the air outlet of the first blower (52) is directed toward the detection component (4), and the first dustproof net (54) is arranged on the mounting member (51) and aligned with the air inlet of the first blower (52); The second blower (53) is arranged on the mounting member (51), and the air outlet of the second blower (53) faces the assembly component (3); the second dustproof net (55) is arranged on the mounting member (51) and is aligned with the air inlet of the second blower (53).

2. The fully automatic three-dimensional optical inspection equipment for PCB assembly according to claim 1, characterized in that: The mounting member (51) comprises an assembly bracket (511), a connecting bracket (512), a first mounting plate (513) and a second mounting plate (514); the assembly bracket (511) spans above the conveying component (2) and is fixed on the assembly workbench (1); The connecting bracket (512) aligns and fixes the first mounting plate (513) and the second mounting plate (514) on the end surface of the assembly bracket (511) away from the assembly workbench (1); The first mounting plate (513) is provided with a first mounting opening (5131) and a first dustproof opening (5132); the second mounting plate (514) is provided with a second dustproof opening (5142) aligned with the first mounting opening (5131) and a second mounting opening (5141) aligned with the first dustproof opening (5132); The first blower (52) is arranged on the first installation opening (5131), and the first dustproof net (54) is arranged on the second dustproof opening (5142); The second blower (53) is arranged on the second mounting port (5141), and the second dustproof net (55) is arranged on the first dustproof port (5132).

3. The fully automatic three-dimensional optical inspection equipment for PCB assembly according to claim 2, characterized in that: A cooling pipe (515) and a plurality of cooling fins (516) are provided between the first mounting plate (513) and the second mounting plate (514), and an air intake gap is reserved between each of the cooling fins (516). The air intake gap is used for the first blower (52) and the second blower (53) to inhale air, and the cooling pipe (515) is arranged around and penetrates the cooling fins (516).

4. The fully automatic three-dimensional optical inspection equipment for PCB assembly according to claim 1, characterized in that: The transmission assembly (2) comprises a transmission mounting plate (21), a conveyor belt (22), a position sensor (23) and a drive motor (24), wherein the conveyor belt (22) is arranged on the transmission mounting plate (21); The driving motor (24) is arranged on the side of the transmission mounting plate (21) and drives the conveyor belt (22) to rotate on the transmission mounting plate (21); The position sensor (23) is arranged in the transmission mounting plate (21) and is used to detect the position of the PCB on the conveyor belt (22).

5. The fully automatic three-dimensional optical inspection equipment for PCB assembly according to claim 1, characterized in that: The assembly component (3) comprises an assembly support frame (31), a first transmission member (32), a second transmission member (33) and a material grabbing member (34); the assembly support frame (31) spans above the conveying component (2) and is fixed on the assembly workbench (1); The first transmission member (32) is arranged on the assembly support frame (31), and the second transmission member (33) is arranged on the transmission terminal of the first transmission member (32), and the transmission terminal of the first transmission member (32) drives the second transmission member (33) to perform linear reciprocating motion along a second direction; The grabbing member (34) is arranged on the transmission terminal of the second transmission member (33), and the transmission terminal of the second transmission member (33) drives the grabbing member (34) to perform linear reciprocating motion along a third direction. The grabbing member (34) is used to grab the PCB assembly and assemble it onto the PCB substrate of the transmission component (2).

6. The fully automatic three-dimensional optical inspection equipment for PCB assembly according to claim 1, characterized in that: The detection component (4) comprises a detection support frame (41) and a laser detector (42); the detection support frame (41) is cantilevered above the conveying component (2) and fixed on the assembly workbench (1); the laser detector (42) is arranged on the detection support frame (41), and the detection end of the laser detector (42) faces the conveying component (2).

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