An installation tool and detection apparatus

Abstract

The application provides an installation tool and a detection device, the installation tool comprising: a frame, a first support beam and a second support beam; the frame is provided with a plurality of first supporting portions for supporting the same or different side edges of a circuit board; the first support beam and the second support beam are detachably arranged on the frame; wherein the first support beam is provided with a second supporting portion, and the second support beam is provided with a third supporting portion; the second supporting portion and the third supporting portion are respectively used for supporting different side edges of the circuit board, and the side edge of the circuit board supported by the first supporting portion is different from the side edges of the circuit board supported by the second supporting portion and the third supporting portion. The installation tool provided by the application is simple to disassemble and assemble, greatly reduces the manufacturing cost and the later management of the tool, has high flexibility, can effectively avoid the problem of interference between the circuit board and the tool, improves the use efficiency of the installation tool, has high adaptability, and effectively improves the detection efficiency of the circuit board.

Description

Technical Field

[0001] This application relates to the field of circuit board processing technology, and more particularly to an mounting fixture and testing equipment. Background Technology

[0002] Printed Circuit Board Assembly (PCBA) is a core component of modern electronic devices, used for mechanical support and electrical connection of electronic components, and is widely used in various technical fields. In PCB production, to ensure quality, testing processes are incorporated, including Automated Optical Inspection (AOI) before surface mount technology (SMT) to intercept defects such as poor appearance, poor soldering, or poor solder tinning.

[0003] During testing, circuit boards are typically placed on a dedicated tray before being placed in the testing equipment for imaging. However, existing dedicated trays require support for the circuit boards. This support process usually involves installing a fixture on each of two opposite sides of the circuit board, resulting in a large number of fixtures and impacting the efficiency of fixture assembly, disassembly, and management. Furthermore, the large number of fixtures makes compatibility issues during AOI testing highly likely, severely affecting testing efficiency.

[0004] Therefore, there is an urgent need for an installation tool that is easy to assemble and disassemble while effectively ensuring testing efficiency. Utility Model Content

[0005] This application provides an installation fixture and testing equipment. The installation fixture is easy to assemble and disassemble, which can greatly reduce the manufacturing cost and subsequent management of the fixture. At the same time, the installation fixture is highly flexible, which can effectively avoid the problem of interference between the circuit board and the fixture, improve the efficiency of the installation fixture, and has strong adaptability, which can effectively improve the testing efficiency of the circuit board.

[0006] To achieve the above objectives, the embodiments of this application adopt the following technical solutions:

[0007] In a first aspect, embodiments of this application provide an installation fixture for supporting a circuit board for performing inspection or surface mount operations on the circuit board, including a frame; the frame is provided with a plurality of first support portions, which are used to support the same or different sides of the circuit board; a first support beam and a second support beam; the first support beam and the second support beam are detachably disposed in the frame; wherein, the first support beam is provided with a second support portion, and the second support beam is provided with a third support portion; the second support portion and the third support portion are respectively used to support different sides of the circuit board, and the side of the circuit board supported by the first support portion is different from the side of the circuit board supported by the second support portion and the third support portion.

[0008] Based on this solution, the mounting fixture is easy to assemble and disassemble, eliminating the need to install a fixture on both sides of the circuit board, which greatly reduces the manufacturing cost and subsequent management of the fixture. At the same time, the mounting fixture is highly flexible and can effectively avoid the problem of interference between the circuit board and the fixture.

[0009] In one possible implementation, the second support portion is formed by a recess at the edge of the first support beam.

[0010] Based on this solution, the second support portion is directly set on the first support beam in the form of a recess, which is simple to set and effectively reduces the connection relationship in the installation process.

[0011] In another possible implementation, the second support beam is provided with a first support member, and the first support member is provided with a third support portion.

[0012] Based on this solution, the first support component can be flexibly configured to adapt to circuit boards with different edge shapes, thereby improving the adaptability of the mounting fixture.

[0013] In another possible implementation, the first support is formed by an edge recess of the frame; and / or the frame is provided with a second support member, which is provided with the first support.

[0014] Based on this scheme, the configuration of the first support section can be flexibly adjusted.

[0015] In another possible implementation, the first support beam and the second support beam are arranged at an intersection, and the second support beam is provided with a clearance part to avoid the first support beam.

[0016] Based on this solution, when installing circuit boards of different types and structures, the first support beam can move its installation position through the clearance part, thereby improving the installation flexibility of the first support beam.

[0017] In another possible implementation, the mounting fixture also includes a third support beam; the third support beam is used to support one of the first or second sides of the circuit board; wherein the first and second sides are two opposite sides of the circuit board.

[0018] Based on this solution, by setting a third support beam, the sides of the circuit board can be supported, which can effectively ensure the stability of the circuit board, especially when the electrical components on the sides of the circuit board are heavy.

[0019] In another possible implementation, the third support beam has a cutout; a third support member is provided inside the cutout; the third support member is used to support the side of the circuit board.

[0020] Based on this solution, by setting up a hollow section, on the one hand, the weight of the third support beam is effectively reduced while ensuring the stability of the circuit board's side support, thereby simplifying the weight of the installation fixture. On the other hand, the hollow section provides installation space for the third support component, which can then support key areas on the side of the circuit board, further ensuring the stability of the circuit board.

[0021] In another possible implementation, the mounting fixture further includes a clamping element; the clamping element is disposed on the first support member and is used to clamp the circuit board; wherein the clamping direction of the clamping element is opposite to the support direction of the third support member.

[0022] Based on this solution, the clamping component balances the forces on the circuit board in the vertical direction, preventing upward relative displacement between the circuit board and the mounting fixture, and further ensuring the stability of the circuit board.

[0023] In another possible implementation, the clamping element is a spring bolt. After the circuit board is installed, the circuit board is located between the spring bolt and the third support of the first support. The spring bolt is used to clamp the side of the circuit board.

[0024] Based on this solution, spring bolts are selected as the clamping components for ease of operation.

[0025] Secondly, embodiments of this application also provide a testing device, which includes a testing apparatus and an installation fixture provided in the first aspect. The testing apparatus is used to test the circuit board on the installation fixture; the circuit board is located within the testing area of ​​the testing apparatus.

[0026] Based on this solution, the detection device can detect welding quality and circuit board defects that cannot be detected by visual inspection, thereby improving the pass rate of circuit board production.

[0027] In one possible implementation, the testing device includes a base and a testing component; a mounting fixture is disposed on the base; the testing component is movably disposed on the base for adjusting the testing area of ​​the circuit board.

[0028] This solution facilitates the alignment of the testing components with the circuit board.

[0029] In one possible implementation, the base is provided with a limiting element to restrict relative displacement between the mounting fixture and the base.

[0030] Based on this solution, the limiting component is used to restrict the relative displacement between the mounting fixture and the base. This prevents the mounting fixture, along with the circuit board, from shifting relative to the base, thus ensuring the overall stability of the mounting fixture and the circuit board. This facilitates the determination of the subsequent testing range and guarantees testing accuracy.

[0031] In one possible implementation, the detection component includes a first sliding frame, a second sliding frame, and a detection element; the first sliding frame is slidably disposed on the base and can slide relative to the length direction of the base; the second sliding frame is slidably disposed on the first sliding frame and can slide relative to the width direction of the base; the second sliding frame includes a lifting groove, the detection element is disposed on the lifting groove and can slide relative to the height direction of the base.

[0032] Based on this solution, the test piece can move along the x, y, and z axes, which can effectively improve the convenience and accuracy of the test. Attached Figure Description

[0033] Figure 1 This is a schematic diagram of the structure of an installation fixture provided in an embodiment of this application;

[0034] Figure 2 This is a simplified structural diagram showing the installation positions of the first and second support beams provided in the embodiments of this application;

[0035] Figure 3 This is a schematic diagram of the circuit board;

[0036] Figure 4 This is a schematic diagram of the structure of a first support member provided in an embodiment of this application;

[0037] Figure 5 This is a schematic diagram of another installation fixture provided in an embodiment of this application;

[0038] Figure 6 This is a schematic diagram of the structure of a second support member provided in an embodiment of this application;

[0039] Figure 7 yes Figure 5 A magnified view of a portion at point A;

[0040] Figure 8 This is a schematic diagram of another installation fixture provided in the embodiments of this application;

[0041] Figure 9 This is a schematic diagram of the structure of a third support member provided in an embodiment of this application;

[0042] Figure 10 This is a schematic diagram of the structure of a clamping component provided in an embodiment of this application;

[0043] Figure 11 This is a schematic diagram of the structure of a connection component provided in an embodiment of this application;

[0044] Figure 12 This is a schematic diagram of the structure of a detection device provided in an embodiment of this application;

[0045] Figure 13 This is a schematic diagram of the structure of a base provided in an embodiment of this application;

[0046] Figure 14 yes Figure 13 Enlarged view of the structure at point B.

[0047] Illustration markings:

[0048] 100 - Testing equipment;

[0049] 10- Installation fixtures;

[0050] 11-Frame; 11a-First support; 111-Second support member; 111a-Second mounting part; 111b-Second elongation structure;

[0051] 12-First support beam; 12a-Second support section;

[0052] 13-Second support beam; 13a-Third support part; 13b-Allowing part; 131-First support member; 131a-First mounting part; 131b-First elongation structure;

[0053] 14-Third support beam; 14a-Hollowed-out section; 141-Third support component; 141a-Head; 141b-Tail;

[0054] 15-Clamping component; 151-Connecting component; 152-Spring; 153-Clamping cylinder;

[0055] 16-Connecting component; 161-First connector; 162-Second connector;

[0056] 20 - Detection device;

[0057] 21-Base; 211-Limiting component; 211a-Limiting part; 212-First slide rail;

[0058] 22-Detection component; 221-First sliding frame; 2211-Second slide rail; 222-Second sliding frame; 2221-Lifting groove; 223-Detection piece; 2231-Camera; 2232-Lens; 224-Handle. Detailed Implementation

[0059] The technical solutions of the embodiments of this application will now be described with reference to the accompanying drawings. To facilitate a clear description of the technical solutions of the embodiments of this application, the use of terms such as "first," "second," etc., in the embodiments of this application is for illustrative purposes and to distinguish the objects being described. There is no particular order between them, nor does it indicate a specific limitation on the number of devices in the embodiments of this application, and they do not constitute any limitation on the embodiments of this application.

[0060] The following is combined Figure 1 The specific structure of the installation fixture provided in the embodiments of this application will be described.

[0061] Figure 1 This is a schematic diagram of an installation fixture provided in an embodiment of this application.

[0062] See Figure 1 This application provides an installation fixture 10 for supporting circuit boards to perform inspections on printed circuit boards (PCBs) such as AOI or SMT.

[0063] The installation fixture 10 includes a frame 11, a first support beam 12, and a second support beam 13.

[0064] The frame 11 can be a frame structure formed by four sides, and the frame 11 can include a plurality of first support parts 11a. The first support parts 11a can be structures with support function formed on the four sides of the frame 11. In other implementations, the first support parts 11a can also be components with support function provided on the frame 11.

[0065] Specifically, multiple first support portions 11a are used to support the same or different sides of the circuit board. For example, there are two first support portions 11a. These two first support portions 11a can support the same side of the circuit board; that is, the two first support portions 11a can support one side of the circuit board. For example, the two first support portions 11a can also support two sides of the circuit board, which can be adjacent sides or opposite sides of the circuit board.

[0066] Both the first support beam 12 and the second support beam 13 are detachably mounted on the frame 11.

[0067] The first support beam 12 is provided with a second support portion 12a, and the second support beam 13 is provided with a third support portion 13a. The second support portion 12a and the third support portion 13a are respectively used to support different sides of the circuit board, and the side of the circuit board supported by the first support portion 11a is different from the side of the circuit board supported by the second support portion 12a and the third support portion 13a. The second support portion 12a can be a structure with a support function formed on the first support beam 12, or it can be a component with a support function provided on the first support beam 12. The third support portion 13a can be a structure with a support function formed on the second support beam 13, or it can be a component with a support function provided on the second support beam 13.

[0068] Specifically, the first support portion 11a, the second support portion 12a, and the third support portion 13a are all used to support different sides of the circuit board. When there are two first support portions 11a, and the two first support portions 11a are used to support the same side of the circuit board, the mounting fixture 10 can support three sides of the circuit board. When there are two first support portions 11a, and the two first support portions 11a are used to support different sides of the circuit board, the mounting fixture 10 can support four sides of the circuit board. It can be understood that the circuit board is usually a plate-like structure with four sides. In this way, the mounting fixture 10 can support at least three sides of the circuit board, effectively ensuring the installation stability of the circuit board and facilitating subsequent testing.

[0069] It is worth noting that the first support beam 12 and the second support beam 13 are detachably connected to the frame 11. During the installation of the first support beam 12 and the second support beam 13 with the frame 11, the installation position can be adjusted according to the actual structural parameters of the circuit board, such as the edge structure of the circuit board, the structure of electrical components on the T-side (Top surface) or the B-side (Bottom surface). The T-side and the B-side are two opposite sides of the circuit board.

[0070] The following is combined Figure 2 The installation positions of a first support beam 12 and a second support beam 13 provided in the embodiments of this application will be described in detail.

[0071] Figure 2 This is a simplified structural diagram showing the installation positions of the first and second support beams provided in the embodiments of this application.

[0072] See also some possible implementations. Figure 2 As shown, the extensions of the first support beam 12 and the second support beam 13 can be the same or different. The shaded area represents the support area formed by the first support beam 12, the second support beam 13, and the frame 11, where the circuit board is placed.

[0073] See Figure 2 As shown in (a1) to (a4), the first support beam 12 and the second support beam 13 extend in the same direction, that is, the first support beam 12 and the second support beam 13 are parallel. Figure 2 As shown in (a1), (a3), and (a4), the two ends of the first support beam 12 and the second support beam 13 are located on opposite sides of the frame 11. Figure 2 As shown in (a2), the two ends of the first support beam 12 are located on two adjacent sides of the frame 11, and the two ends of the second support beam 13 are located on two opposite sides of the frame 11. Figure 2 As shown in (a1) and (a2), the first support beam 12 and the second support beam 13 are inclined relative to the sides of the frame 11. Figure 2 As shown in (a3) ​​and (a4), the first support beam 12 and the second support beam 13 are parallel to one of the sides of the frame 11.

[0074] See Figure 2 Figures (b1) to (b3) show the state where the first support beam 12 and the second support beam 13 extend in different directions and are not parallel. Figure 2 As shown in (b1), the two ends of the first support beam 12 and the second support beam 13 are both located on opposite and identical sides of the frame 11. Figure 2 As shown in (b2), the two ends of the first support beam 12 are located on two adjacent sides of the frame 11, and the two ends of the second support beam 13 are located on two opposite sides of the frame 11. Figure 2 As shown in (b3), the two ends of the first support beam 12 and the second support beam 13 are located on two opposite and different sides of the frame 11.

[0075] In other words, the positions of the first support beam 12 and the second support beam 13 can be flexibly adjusted. Through the cooperation of the multiple first support parts 11a of the frame 11 with the first support beam 12 and the second support beam 13, the four sides or three sides and the side surface of the circuit board can be supported, which can effectively ensure the stability of the circuit board.

[0076] It should be emphasized that the terms "first" and "second" in the first support beam 12 and the second support beam 13 of this application are merely distinctions between one support beam and the other, and are not limitations on the support beams themselves. Figure 2 As shown, the positions of the first support beam 12 and the second support beam 13 can be interchanged.

[0077] In some possible implementations, the structural forms of the first support portion 11a, the second support portion 12a, and the third support portion 13a can be the same or different. For example, the first support portion 11a, the second support portion 12a, and the third support portion 13a can be formed within the frame 11, the first support beam 12, and the second support beam 13, respectively. Alternatively, the first support portion 11a, the second support portion 12a, and the third support portion 13a can be formed as structural components on the frame 11, the first support beam 12, and the second support beam 13, respectively. This allows for support not only of ordinary circuit boards but also of circuit boards with special structures or those with large components mounted on their sides, effectively improving adaptability.

[0078] See also Figure 1 As shown, the second support part 12a is a stepped structure formed by the edge of the first support beam 12 being recessed downward along the height direction. The side of the circuit board can be placed on the stepped structure to realize the support of the side of the circuit board by the second support part 12a.

[0079] In this implementation, the second support portion 12a is directly recessed onto the first support beam 12, simplifying the installation and effectively reducing connection issues during the installation process. The second support portion 12a can be positioned along the extension direction of the first support beam 12, and its length can be less than the length of the first support beam 12. Specifically, the length of the first support beam 12 can include the length of the mounting area and the length of the non-mounting area. The length of the second support portion 12a can be the same as or less than the length of the non-mounting area, and its length must be greater than the length of the supported side of the circuit board, allowing the side of the circuit board to be completely placed on the second support portion 12a. When creating the second support portion 12a, it can be a continuous second support portion 12a positioned along the extension direction of the first support beam 12 at the edge of the first support beam 12, ensuring that its length accommodates the length of any side of the circuit board. The height of the second support portion 12a can be adaptively adjusted according to the thickness of the first support beam 12. The height of the second support portion 12a and the thickness of the first support beam 12 are both dimensions in the height direction of the frame 11.

[0080] The following is combined Figure 1 , Figure 3 and Figure 4 The specific structure of the first support member provided in the embodiments of this application will be described.

[0081] Figure 3 This is a schematic diagram of the circuit board; Figure 4 This is a schematic diagram of the structure of a first support member provided in an embodiment of this application. Wherein, Figure 3Figures (a) and (b) show circuit boards with recessed structures at the edge locations.

[0082] In some possible implementations, combining Figure 1 , Figure 3 and Figure 4 As shown, a first support member 131 is provided on the second support beam 13, and the first support member 131 has a third support portion 13a. In this implementation, the third support portion 13a is formed by the first support member 131. The first support member 131 may include a first mounting portion 131a and a first elongation structure 131b. The first mounting portion 131a can be fastened to the second support beam 13 by screws, with the screws located on the bottom surface of the second support beam 13. The first elongation structure 131b extends a first predetermined distance in a direction away from the first mounting portion 131a, and the first elongation structure 131b has the third support portion 13a.

[0083] like Figure 3 As shown, for circuit boards with irregular shapes or those with grooved edges, the first elongated structure 131b can extend into the recessed structure, thereby supporting the side of the circuit board at the recessed location. The first preset distance can be adaptively adjusted according to the specific structure of the circuit board being tested; that is, the first preset distance can be adaptively adjusted according to the size of the recessed structure on the side of the circuit board. Furthermore, when there are multiple first support members 131, the dimensions of the first elongated structures 131b among the multiple first support members 131 can be different or the same.

[0084] Specifically, the number of first support members 131 can be multiple, with a minimum of two. For example, when the side of the circuit board is a regular quadrilateral, at least two first support members 131 can be provided, and the first preset distance between the two first support members 131 can be the same. For example, when the side of the circuit board has a structure with N recesses, the number of first support members 131 can be at least N+2, where two first support members 131 are located at both ends of the side of the circuit board, and N first support members 131 are correspondingly located in the N recesses. The first elongated structure 131b of the N first support members 131 can be adaptively adjusted according to the recess length of the recesses, thereby ensuring that each recess can be supported. In this way, the first support members 131 can be flexibly arranged to adapt to circuit boards with different edge shapes, improving the adaptability of the mounting fixture 10.

[0085] In a specific implementation, see [link to relevant documentation]. Figure 1The first support portion 11a is formed by a recess in the edge of the frame 11. In this implementation, a stepped structure can be formed by a downward recess in the inner frame edge of the frame 11, and the side of the circuit board can be placed on the stepped structure to support the side of the circuit board.

[0086] The following is combined Figure 5 and Figure 6 The specific structure of the second support member provided in the embodiments of this application will be described.

[0087] Figure 5 This is a schematic diagram of another installation fixture provided in an embodiment of this application; Figure 6 This is a schematic diagram of the structure of a second support member provided in an embodiment of this application.

[0088] Combination Figure 5 and Figure 6 As shown, the frame 11 may be provided with a second support member 111, and the second support member 111 has a first supporting portion 11a. In this implementation, the second support member 111 may include a second mounting portion 111a and a second elongated structure 111b. The second mounting portion 111a can be fastened to the frame 11 by screws, wherein the screws are located on the top surface of the frame 11. The second elongated structure 111b extends a second predetermined distance in a direction away from the center of the frame 11. In this implementation, the second support member 111 and... Figure 3 The structure of the first support member 131 shown is different, the first preset distance can be different from the second preset distance, and the screw fixing position is also different. Of course, in other possible implementations, the structures of the first support member 131 and the second support member 111 can be the same, and the first preset distance and the second preset distance can be the same.

[0089] It is worth noting that, in the above-described implementation, the structure of the first support portion 11a, the second support portion 12a, and the third support portion 13a can be identical to or identical to that of the second support portion 12a. The specific structural forms of the three support portions can be adaptively adjusted according to the actual structure of the circuit board to be tested. This flexibility in the specific forms of the three support portions helps ensure the stability of the circuit board.

[0090] For example, when the structure of the first support portion 11a is the same as that of the second support portion 12a, the side of the circuit board can be placed on the first support portion 11a and the second support portion 12a, and the recessed structure of the circuit board can be mounted on the third support portion 13a.

[0091] The following is combined Figure 5 and Figure 7This paper describes the specific installation method when the installation positions of the first support beam 12 and the second support beam 13 provided in the embodiments of this application have an overlapping relationship.

[0092] Figure 7 yes Figure 5 A magnified view of a portion at point A.

[0093] Combination Figure 5 and Figure 7 As shown, the first support beam 12 and the second support beam 13 are arranged intersectingly. To facilitate the installation of the first support beam 12 and the second support beam 13, a clearance part 13b is provided on the second support beam 13 to allow the first support beam 12 to pass. In this way, when installing circuit boards of different types and structures to be tested, the first support beam 12 can be moved to a different installation position through the clearance part 13b, thereby improving the installation flexibility of the first support beam 12.

[0094] Specifically, the clearance portion 13b can be a right-angled structure, with two clearance portions 13b located at opposite ends of the second support beam 13. This arrangement of clearance portions 13b ensures a clearance distance between the first support beam 12 and the second support beam 13. Therefore, in this implementation, the second support beam 13 can be provided with a first support member 131, which in turn provides a third support portion 13a. The second support portion 12a is formed by a recess in the edge of the first support beam 12, ensuring that the second and third support portions 13a are on the same horizontal plane as the support plane of the first support portion 11a. This ensures that the circuit board remains stable and does not tilt after being installed in the mounting fixture 10, thereby guaranteeing the stability of the circuit board installation.

[0095] It is worth noting that in the above implementation, the avoidance part 13b is located at the end position, but this is not a specific limitation. In other possible implementations, the avoidance part 13b can also be located in other positions, such as the middle, and the avoidance part 13b can also be set in other forms, such as a chamfer. It should be emphasized that the avoidance part 13b is provided on the second support beam 13 to facilitate avoidance of the first support beam 12. Figure 5 and Figure 7 The second support beam 13 shown is not specifically limited. The first support beam 12 and the second support beam 13 can be interchanged. That is, in two support beams that have an intersecting relationship, a clearance part 13b can be provided on either support beam to avoid the other support beam.

[0096] Of course, in other possible implementations, the positional relationship between the first support beam 12 and the second support beam 13 is different from that when they are arranged in a cross configuration, and the third support part 13a can be adjusted adaptively.

[0097] It should be emphasized that the number of the first support beam 12 and the second support beam 13 provided in this application embodiment can be either one or multiple. That is, the number of the first support beam 12 and the second support beam 13 can both be two, and the two first support beams 12 and the two second support beams 13 can be used to support the four sides of the circuit board respectively. In this case, the first support part 11a of the frame 11 can not participate in the support operation of the circuit board side. Alternatively, when the circuit board is polygonal, the two first support beams 12, the two second support beams 13, and the frame 11 can be used to support multiple sides of the circuit board respectively. Alternatively, the number of the first support beam 12 can be one, and the number of the second support beam 13 can be two. Alternatively, the number of the first support beam 12 can be two, and the number of the second support beam 13 can be one. That is to say, the number of the first support beam 12 and the second support beam 13 can be adaptively adjusted according to the actual working conditions. In this way, the matching methods of the first support beam 12 and the second support beam 13, as well as the first support part 11a, the second support part 12a and the third support part 13a, can all be adaptively adjusted. Under the premise of ensuring the stability of circuit board installation, the installation method can be flexibly adjusted to be suitable for more types of circuit boards and improve the adaptability of the installation fixture 10.

[0098] The following is combined Figure 8 The specific structure of the third support beam 14 provided in the embodiments of this application will be described.

[0099] Figure 8 This is a schematic diagram of another installation fixture provided in the embodiments of this application.

[0100] See also some possible implementations. Figure 8 As shown, the mounting fixture 10 provided in this embodiment may further include a third support beam 14 detachably connected to the frame 11. The third support beam 14 is used to support the sides of the circuit board. The first support beam 12, the second support beam 13, and the frame 11 can support at least three sides of the circuit board. By providing the third support beam 14, the sides of the circuit board can be supported, especially when the electrical components on the T-side or B-side of the circuit board are heavy, which can effectively ensure the stability of the circuit board.

[0101] In this implementation, there are seven third support beams 14, which are arranged in a network on the frame 11. Figure 7 As shown, the distance between any two adjacent third support beams 14 can be the same. This allows for the support of circuit boards with a large area, or circuit boards with heavy electrical components on the T-side or B-side, thus effectively ensuring the stability of the circuit board.

[0102] Of course, in other possible implementations, the number of third support beams 14 can also be different. For example, there can be one third support beam 14, which can be horizontal, vertical, or inclined. Alternatively, there can be two third support beams 14, which can be arranged in an intersecting, parallel, or non-parallel and non-intersecting manner. That is to say, the number of third support beams 14 can also be adaptively adjusted according to the actual circuit board structure. Specifically, when setting the third support beams 14, their positions should avoid the positions of electrical components on the T-side or B-side.

[0103] It is worth noting that the function of the third support beam 14 is to support the side of the circuit board. Therefore, when setting up a cross-shaped third support beam 14, the connection between the two third support beams 14 can be an embedded structure, so that the upper surfaces of the two third support beams 14 are flush and both can support the circuit board. Alternatively, of the two third support beams 14, the upper surface of one third support beam 14 contacts the side of the circuit board, directly supporting the circuit board, while the upper surface of the other third support beam 14 does not contact the side of the circuit board, serving as an auxiliary third support beam 14 to indirectly support the circuit board.

[0104] The following is combined Figure 8 and Figure 9 The structure of the third support member 141 provided in the embodiments of this application will be described.

[0105] Figure 9 This is a schematic diagram of the structure of a third support member provided in an embodiment of this application.

[0106] Combination Figure 8 and Figure 9 As shown, the third support beam 14 has a hollow portion 14a, and a third support member 141 is provided inside the hollow portion 14a. The third support member 141 is used to support the side of the circuit board. Specifically, there are multiple hollow portions 14a on each third support beam 14, and the multiple hollow portions 14a are arranged at intervals along the extending direction of the third support member 141.

[0107] By setting multiple cutouts 14a, on the one hand, the weight of the third support beam 14 is effectively reduced while ensuring the stability of the circuit board side support, thereby simplifying the weight of the mounting fixture 10. On the other hand, the cutouts 14a can provide installation space for the third support member 141, which supports key positions on the side of the circuit board, further ensuring the stability of the circuit board.

[0108] In this implementation, the third support member 141 can be a columnar structure. The third support member 141 can be directly inserted through the cutout portion 14a and abut against the side of the circuit board in areas requiring key support. The third support member 141 can include a head 141a and a tail 141b. The head 141a and tail 141b have different sizes; the head 141a is smaller than the tail 141b. The tail 141b can be the same size as the cutout portion 14a, allowing the tail 141b to be inserted into the cutout portion 14a and ensuring stability between it and the third support beam 14. After the tail 141b is stably installed, the head 141a can provide support to the side of the circuit board.

[0109] Of course, in other possible implementations, the setting method and setting position of the third support 141 can be flexibly adjusted to improve the convenience of supporting the circuit board.

[0110] It is worth noting that when setting the third support member 141, the third support member 141 can directly pass through the cutout portion 14a, thus directly supporting key areas in the circuit board, such as recessed areas. Of course, in other possible implementations, in areas where the third support beam 14 is not directly in contact, such as... Figure 8 The Q1 area, indicated by the arrow, is the region enclosed by the four third support beams 14. If there are areas within this area requiring key support, a perforated support steel plate can be installed, connected to the perforated portion 14a. The third support member 141 is mounted on the support steel plate, allowing for adjustment of its position. This enables the third support member 141 to not only directly penetrate the perforated portion 14a but also indirectly support the circuit board through it, making its position flexibly adjustable.

[0111] In some possible implementations, the first support beam 12, the second support beam 13, and the third support beam 14 provide lateral and side support for the circuit board. The third support member 141 also provides upward support for the circuit board. To further ensure the stability of the circuit board and maintain force balance, the mounting fixture 10 may also include a clamping member 15. The clamping member 15 may be disposed on the first support member 131 and is used to clamp the circuit board. The clamping direction of the clamping member 15 is opposite to the support direction of the third support member 141.

[0112] Specifically, the force of the third support member 141 supports the circuit board from bottom to top, and the force of the clamping member 15 clamps the circuit board from top to bottom, thereby balancing the forces on the circuit board in the vertical direction, preventing upward relative displacement between the circuit board and the mounting fixture 10, and further ensuring the stability of the circuit board.

[0113] The following is combined Figure 8 and Figure 10 The structure of the clamping member 15 provided in the embodiments of this application will be described.

[0114] Figure 10 This is a schematic diagram of the structure of a clamping component provided in an embodiment of this application.

[0115] Combination Figure 8 and Figure 10 As shown, the clamping member 15 can be a spring bolt. After the circuit board is installed, the circuit board is located between the spring bolt and the third support portion 13a of the first support member 131. The spring bolt is used to clamp the side of the circuit board.

[0116] Specifically, the spring bolt may include a connector 151, a spring 152, and a clamping cylinder 153. One end of the connector 151 is fixed to the third support portion 13a of the first support member 131. The clamping cylinder 153 is movably located on the connector 151 via the spring 152. The connector 151 may consist of two sleeved bolts, such that both ends of the spring 152 abut against the heads of the two bolts respectively. The connector 151 may be connected to the first elongated structure 131b of the first support member 131, and the bottom of the clamping cylinder 153 is movably disposed on the first elongated structure 131b via the spring 152. When clamping the circuit board, pulling the clamping cylinder 153 upward stretches the spring 152, causing the bottom of the clamping cylinder 153 to avoid the side of the circuit board. After the circuit board is placed on the first support 131, the bottom of the clamping cylinder 153 is positioned above the circuit board. Releasing the upward force on the clamping cylinder 153 causes the spring 152 to partially return to its original shape and exert downward pressure on the circuit board, preventing relative movement between the circuit board and the frame 11. A spring bolt is chosen as the clamping element 15 for ease of operation. It should be emphasized that... Figure 10 The spring 152 extending out of the connector 151 is only for illustrative purposes. It can also be understood that the effective part of the spring 152 is located on the connector 151, and the part extending out of the connector 151 does not participate in the clamping operation.

[0117] It should be noted that the function of the pressing member 15 is to press the circuit board in the vertically downward direction. To ensure the balance of the pressing force around the circuit board, in other possible implementation manners, pressing members 15 can also be provided around the circuit board. That is to say, in addition to setting the pressing member 15 on the second support beam 13 in the above implementation manner, the pressing member 15 can also be set on the frame 11 and the first support beam 12. For example, when setting the pressing member 15 on the frame 11, a second support member 111 can be correspondingly set on the frame 11, and the pressing member 15 is set on the second support member 111. After pressing the circuit board, the circuit board is located between the pressing member 15 and the second support member 111. When setting the pressing member 15 on the first support beam 12, a support member can be correspondingly set on the first support beam 12, and the pressing member 15 is set on the support member. After pressing the circuit board, the circuit board is located between the pressing member 15 and the support member. It should be emphasized that in the above implementation manner, the structures of the provided first support member 131 and the second support member 111 can be the same or different.

[0118] Of course, in other possible implementation manners, the pressing member 15 can also be in other structural forms. For example, in the manner of pressing from above and below, in this implementation manner, the pressing member 15 can be a structure similar to a clip or a "C" - shaped structure. The circuit board and the first extension structure 131b of the first support member 131 can be located inside it, and the stability of the circuit board in the vertical direction can be achieved by pressing from above and below.

[0119] Next Figure 4 and Figure 11 introduce the specific structure of the detachable connection between the first support beam 12, the second support beam 13, and the third support beam 14 provided in the embodiments of the present application and the frame 11.

[0120] Figure 11 is a schematic structural diagram of a connection component provided in the embodiments of the present application.

[0121] In some possible implementation manners, the installation tooling 10 can also include a connection component 16. The first support beam 12, the second support beam 13, and the third support beam 14 can all achieve detachable connection with the frame 11 through the connection component 16.

[0122] Specifically, the connecting assembly 16 may include a first connector 161 and a second connector 162. The first connector 161 and the second connector are threaded together. The second connector 162 may be a "U"-shaped structure with two parallel top and bottom walls, a connecting side in the middle, and an opening structure on the opposite side of the connecting side. The size of the opening structure is adapted to the size of the frame 11. During the installation of the first support beam 12, the second support beam 13, or the third support beam 14, the second connector 162 is inserted into the frame 11 through the opening structure. A threaded hole is provided on the top wall for connection with the first connector 161. By tightening the first connector 161, the first support beam 12, the second support beam 13, or the third support beam 14 can be fixed to the frame 11. When it is necessary to adjust the position of the first support beam 12, the second support beam 13, and the third support beam 14, the first connector 161 can be rotated in the opposite direction to disassemble the first support beam 12, the second support beam 13, and the third support beam 14.

[0123] In this implementation, the connection between the connecting component 16 and the frame 11 is relatively convenient, without the need to drill holes in the frame 11. It also enables the detachable connection between the first support beam 12, the second support beam 13 and the third support beam 14 and the frame 11, greatly improving the convenience of the installation fixture 10.

[0124] Of course, in other possible implementations, the first support beam 12, the second support beam 13 and the third support beam 14 can also be detachably connected to the frame 11 by other forms of connecting components 16.

[0125] The mounting fixture 10 provided in this embodiment is easy to assemble and disassemble, eliminating the need to install a fixture on both the T-side and B-side of the circuit board. This significantly reduces the manufacturing cost and subsequent management of the fixture. Furthermore, the mounting fixture 10 offers high installation flexibility, effectively preventing interference between the circuit board and the fixture. After mounting the circuit board on the mounting fixture 10, routine tests, such as visual testing, can be performed. The mounting fixture 10 and the circuit board can also be placed together in an AMT reflow oven or a BGA rework station for soldering / repair, improving the efficiency of the mounting fixture 10. It also has strong adaptability and effectively enhances the testing efficiency of the circuit board.

[0126] This application also provides an inspection device, including an inspection apparatus and the mounting fixture 10 as described in any of the above implementations. When an AOI inspection of a circuit board is required, the inspection apparatus is used to inspect the circuit board on the mounting fixture 10, with the circuit board located within the inspection area of ​​the inspection apparatus. This allows for the detection of soldering quality and circuit board defects that are not visually detectable, thereby improving the circuit board production pass rate.

[0127] Specifically, there may or may not be a necessary connection between the testing device and the mounting fixture 10, as long as the circuit board is located within the testing area of ​​the testing device. For example, after the circuit board is mounted on the mounting fixture 10, the alignment of the circuit board and the testing area can be achieved by moving the testing device. Alternatively, after the circuit board is mounted on the mounting fixture 10, the circuit board can be moved to the vicinity of the testing device to achieve alignment between the testing area and the circuit board.

[0128] The following is combined Figure 12 The structure of the detection device in the detection equipment provided in the embodiments of this application will be described.

[0129] Figure 12 This is a schematic diagram of the structure of a detection device provided in an embodiment of this application.

[0130] See Figure 12 As shown, the testing equipment 100 includes a mounting fixture 10 and a testing device 20. The testing device 20 may include a base 21 and a testing assembly 22.

[0131] Specifically, after the circuit board is mounted on the mounting fixture 10, the mounting fixture 10 and the circuit board are placed together on the base 21, and the detection component 22 is movably mounted on the base 21. During the detection process, the detection component 22 can move above the circuit board to adjust the detection area so that the circuit board is within the detection area of ​​the detection component 22, facilitating alignment of the circuit board. For example, the detection area can be the entire area of ​​the circuit board; in this implementation, it is sufficient that the entire circuit board is within the detection range. Alternatively, the detection area can be a partial area of ​​the circuit board; in this implementation, the detection area is aligned with the partial area by moving the detection component 22.

[0132] The following is combined Figure 12 and Figure 13 The structure of the base 21 in the detection device 20 provided in the embodiments of this application will be described.

[0133] Figure 13 This is a schematic diagram of the structure of a base provided in an embodiment of this application.

[0134] Combination Figure 12 and Figure 13 As shown, the base 21 can be a flat plate structure, and the plane area of ​​the base 21 is larger than the plane area of ​​the frame 11 of the mounting fixture 10. In this way, after the mounting fixture 10 and the circuit board are placed on the base 21, it is beneficial to ensure the stability of the mounting fixture 10.

[0135] In this implementation, the base 21 is provided with a limiting member 211, which is used to limit the relative displacement between the mounting fixture 10 and the base 21. This prevents the mounting fixture 10 and the circuit board from being displaced relative to the base 21, thereby ensuring the overall stability of the mounting fixture 10 and the circuit board, facilitating the determination of the subsequent detection range, and thus ensuring detection accuracy.

[0136] Specifically, there can be four limiting members 211, and relative to the mounting fixture 10, the limiting members 211 can be set as right-angled structures. The four right-angled structures can respectively correspond to the four corner areas of the base 21 in the mounting fixture 10. The four limiting members 211 can enclose the mounting fixture 10 to form a mounting area, and the size of the mounting area can be the same as the size of the mounting fixture 10. After the mounting fixture 10 is placed in the mounting area, it will not move relative to the base 21, thereby ensuring the overall stability of the mounting fixture 10 and the circuit board.

[0137] Figure 14 yes Figure 13 Enlarged view of the structure at point B.

[0138] Combination Figure 13 and Figure 14 As shown, the upper part of the limiting member 211 may be provided with a limiting part 211a. The four corners of the circuit board are placed in the limiting part 211a to support and limit the position of the mounting fixture 10. At the same time, the limiting part 211a and the bottom of the limiting member 211 are a certain distance apart, so as to form a pick-and-place space between the two limiting parts 211a in the width direction of the base 21, which facilitates the pick-and-place operation of the mounting fixture 10.

[0139] Of course, among the other possible implementations, the limiter 211 can also be configured in other ways.

[0140] See also Figure 12 As shown, the detection component 22 may include a first sliding frame 221, a second sliding frame 222, and a detection element 223. The first sliding frame 221 is slidably disposed on the base 21 and can slide relative to the length of the base 21; the second sliding frame 222 is slidably disposed on the first sliding frame 221 and can slide relative to the width of the base 21; the second sliding frame 222 includes a lifting groove 2221, and the detection element 223 is disposed on the lifting groove 2221 and can slide relative to the height of the base 21.

[0141] Specifically, the base 21 may be provided with two opposing first slide rails 212, which extend along the length of the base 21. A first sliding groove (not shown in the figure) may be provided at the bottom of the first sliding frame 221, which can slidably engage with the first slide rails 212, allowing the first sliding frame 221 to slide relative to the length of the base 21. A second sliding frame 222 and a detection element 223 are disposed on the first sliding element. Thus, the detection area along the length of the circuit board can be adjusted via the first slide rails 212.

[0142] The top of the first sliding frame 221 is provided with a second slide rail 2211, which extends along the width direction of the base 21. The bottom of the second sliding frame 222 may be provided with a second sliding groove (not shown in the figure), which can slide in cooperation with the second slide rail 2211 so that the second sliding frame 222 can slide relative to the width direction of the base 21. In this way, the detection area along the width direction of the circuit board can be adjusted by means of the second slide rail 2211.

[0143] The second sliding frame 222 is provided with a lifting groove 2221, which extends along the height direction of the base 21. The detection element 223 is slidably disposed on the lifting groove 2221. The detection element 223 can slide along the height direction of the base 21 towards or away from the circuit board via the lifting groove 2221. In this way, the detection area along the height direction of the circuit board can be adjusted by the lifting groove 2221.

[0144] by Figure 12 A rectangular coordinate system is established with the center of the base 21 as the point. The length direction of the base 21 is the x-axis, the width direction is the y-axis, and the height direction is the z-axis. When it is necessary to adjust the detection area of ​​the circuit board, the detection element 223 can be moved along the x-axis by the first sliding frame 221, along the y-axis by the second sliding frame 222, and along the z-axis by the lifting groove 2221. This satisfies the multi-directional movement requirements of the detection element 223, facilitates the adjustment of the circuit board detection area, and effectively improves the detection accuracy.

[0145] See also the following for some possible implementations. Figure 12As shown, the detection component 22 may further include a handle 224, which is disposed on the second sliding frame 222 and located on a different side from the detection element 223. For example, the detection element 223 may be located on the side of the second sliding frame 222, and the handle 224 may be located on the top surface of the second sliding frame 222. Thus, provided that the position of the handle 224 does not interfere with the detection component 22, the handle 224 facilitates the adjustment of the positions of the first sliding frame 221 and the second sliding frame 222, while the relative position of the detection element 223 and the second sliding frame 222 can be adjusted by gripping the detection element 223.

[0146] See also the following for some possible implementations. Figure 12 As shown, the detection component 223 may include a camera 2231 and a lens 2232. The camera 2231 is slidably mounted on the lifting groove 2221, and the lens 2232 is located on the side of the camera 2231 away from the lifting groove 2221.

[0147] The detection device 100 provided in this application embodiment allows the detection piece 223 to move along the x, y, and z axes, which can effectively improve the convenience and accuracy of detection.

[0148] The embodiments described above are merely specific embodiments of this application and are not intended to limit the scope of protection of this application. Any modifications, equivalent substitutions, improvements, etc., made based on the technical solution of this application should be included within the scope of protection of this application.

Claims

1. A mounting fixture for supporting a circuit board for performing inspection or surface mounting operations on the circuit board, characterized in that, include: Frame (11); The frame (11) is provided with a plurality of first support parts (11a), which are used to support the same or different sides of the circuit board; First support beam (12) and second support beam (13); both the first support beam (12) and the second support beam (13) are detachably mounted on the frame (11); The first support beam (12) is provided with a second support portion (12a), and the second support beam (13) is provided with a third support portion (13a). The second support portion (12a) and the third support portion (13a) are respectively used to support different sides of the circuit board, and the side of the circuit board supported by the first support portion (11a) is different from the side of the circuit board supported by the second support portion (12a) and the third support portion (13a).

2. The installation fixture according to claim 1, characterized in that, The second support portion (12a) is formed by the edge recess of the first support beam (12).

3. The installation fixture according to claim 1, characterized in that, The second support beam (13) is provided with a first support member (131), and the first support member (131) is provided with the third support part (13a).

4. The installation fixture according to claim 1, characterized in that, The first support portion (11a) is formed by an edge recess of the frame (11); and / or The frame (11) is provided with a second support member (111), and the second support member (111) is provided with the first support portion (11a).

5. The installation fixture according to claim 1, characterized in that, The first support beam (12) and the second support beam (13) are arranged intersectingly. The second support beam (13) is provided with a clearance part (132) for clearance of the first support beam (12).

6. The installation fixture according to claim 3, characterized in that, The installation fixture also includes a third support beam (14); The third support beam (14) is used to support one of the first side or the second side of the circuit board; wherein the first side and the second side are two opposite sides of the circuit board.

7. The installation fixture according to claim 6, characterized in that, The third support beam (14) is provided with a hollow part (14a); The cutout portion (14a) is provided with a third support member (141); the third support member (141) is used to support the side of the circuit board.

8. The installation fixture according to claim 7, characterized in that, The installation fixture also includes: a clamping component (15); The clamping member (15) is disposed on the first support member (131), and the clamping member (15) is used to clamp the circuit board; wherein the clamping direction of the clamping member (15) is opposite to the support direction of the third support member (141).

9. The installation fixture according to claim 8, characterized in that, The clamping member (15) is a spring bolt. After the circuit board is installed, the circuit board is located between the spring bolt and the third support portion (13a) of the first support member (131). The spring bolt is used to clamp the side of the circuit board.

10. A testing device, characterized in that, It includes a detection device (20) and an installation fixture (10) as described in any one of claims 1-9; The detection device (20) is used to detect the circuit board on the mounting fixture (10); the circuit board is located within the detection area of ​​the detection device (20).

11. The detection device according to claim 10, characterized in that, The detection device (20) includes a base (21) and a detection component (22); The mounting fixture (10) is disposed on the base (21); The detection component (22) is movably disposed on the base (21) for adjusting the detection area of ​​the circuit board.

12. The detection device according to claim 11, characterized in that, The base (21) is provided with a limiting member (211), which is used to limit the relative displacement between the mounting fixture (10) and the base (21).

13. The detection device according to claim 11, characterized in that, The detection component (22) includes a first sliding frame (221), a second sliding frame (222), and a detection element (223); The first sliding bracket (221) is slidably disposed on the base (21) and can slide relative to the length direction of the base (21); The second sliding frame (222) is slidably disposed on the first sliding frame (221) and can slide relative to the width direction of the base (21); The second sliding frame (222) includes a lifting groove (2221), and the detection element (223) is disposed on the lifting groove (2221) and can slide relative to the height direction of the base (21).

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