PCB (Printed Circuit Board) detection equipment

Abstract

The utility model relates to the field of PCB (Printed Circuit Board) detection, in particular to PCB detection equipment, and aims to solve the problems that an objective table needs to be replaced and the process is tedious when PCB substrates with different specifications are detected in the prior art. In order to achieve the purpose, the PCB detection equipment provided by the utility model comprises a mounting plate which is arranged to be capable of placing a PCB and is provided with a sliding rail; the movable plug-in assembly comprises a probe fixing seat and a probe, the probe fixing seat is in sliding connection with the sliding rail, and the probe fixing seat is arranged to be capable of being connected with one side of the PCB in a pressing mode; the probe is connected with the probe fixing seat, and the probe is arranged to be capable of being in contact with a test point on the PCB; and the driving assembly is fixedly connected with the mounting plate and used for driving the movable inserting assembly to move in the length direction of the sliding rail. Through the cooperation of the sliding rail and the movable plugging assembly, the position adjustability of the probe is realized, the problem that the objective table needs to be frequently replaced in the traditional equipment is solved, and the detection requirements of PCBs with different specifications are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of PCB detection, especially to a PCB detection device. BACKGROUND

[0002] In the electronic industry, PCB is an indispensable accessory, and electronic equipment in various industries must use PCB. The performance parameters of PCB play a crucial role in electronic equipment.

[0003] In order to ensure the manufacturing quality of PCB, the performance of PCB needs to be tested when the substrate is placed. Early detection of defects can reduce waste by more than 30%, avoiding material waste and after-sales claims caused by batch recall. In order to fix the PCB substrate, the existing device usually sets a placing groove suitable for placing the PCB substrate on the object table, but when detecting different specifications of PCB substrates, the object table needs to be replaced, which is complicated. SUMMARY

[0004] The utility model aims at solving the above technical problem, solving the problem that the existing device needs to replace the object table when detecting different specifications of PCB substrates, which is complicated.

[0005] The utility model provides a kind of PCB detection device, comprising: mounting plate is set to be able to place PCB, and the mounting plate sets slide rail;Movable plug-in assembly, it includes probe fixed base and probe, the probe fixed base is slidably connected with the slide rail, and the probe fixed base is set to be able to press the one side of the PCB;The probe is connected with the probe fixed base, and the probe is set to be able to contact with the test point on the PCB;Drive assembly is fixedly connected with the mounting plate, and is set to be able to drive the movable plug-in assembly moves along the length direction of the slide rail.

[0006] In the case of adopting the above technical scheme, the adjustability of probe position is realized through the cooperation of slide rail and movable plug-in assembly, the problem that traditional equipment needs to replace object table frequently is solved, and the detection needs of different specifications of PCB are adapted. Drive assembly controls probe movement, can accurately position test point, and improves detection efficiency. The structure does not need special test fixture, and reduces equipment cost.

[0007] In the specific embodiment of the above PCB detection device, the probe fixed base includes sliding base and needle model, the lower side of the sliding base is provided with sliding block slidably connected with the slide rail, the needle model is connected with the sliding base, and the needle model is provided with needle hole for the probe to pass through.

[0008] In the specific embodiment of the PCB detection device, the probe fixing base further comprises a connecting plate, which is connected with the sliding base and is arranged perpendicularly to the sliding base, and the needle mold is arranged on the connecting plate.

[0009] In the specific embodiment of the PCB detection device, the probe fixing base further comprises a connecting plate, which is connected with the sliding base and is arranged perpendicularly to the sliding base, and the needle mold is arranged on the connecting plate.

[0010] In the specific embodiment of the PCB detection device, the probe fixing base further comprises a connecting plate, which is connected with the sliding base and is arranged perpendicularly to the sliding base, and the needle mold is arranged on the connecting plate.

[0011] In the specific embodiment of the PCB detection device, the probe fixing base further comprises a connecting plate, which is connected with the sliding base and is arranged perpendicularly to the sliding base, and the needle mold is arranged on the connecting plate.

[0012] The number of the movable plug-in assemblies is at least one.

[0013] In the specific embodiment of the PCB detection device, the probe fixing base further comprises a connecting plate, which is connected with the sliding base and is arranged perpendicularly to the sliding base, and the needle mold is arranged on the connecting plate.

[0014] In the specific embodiment of the PCB detection device, the probe fixing base further comprises a connecting plate, which is connected with the sliding base and is arranged perpendicularly to the sliding base, and the needle mold is arranged on the connecting plate.

[0015] In the specific embodiment of the PCB detection device, the probe fixing base further comprises a connecting plate, which is connected with the sliding base and is arranged perpendicularly to the sliding base, and the needle mold is arranged on the connecting plate.

[0016] In the specific embodiment of the PCB detection device, the probe fixing base further comprises a connecting plate, which is connected with the sliding base and is arranged perpendicularly to the sliding base, and the needle mold is arranged on the connecting plate.

[0017] In the technical scheme, the pressing plate assembly is used to press the PCB board, so that the PCB board is prevented from moving or warping during testing.

[0018] In the embodiment of the PCB board testing device, the PCB board testing device further comprises a pressing plate support provided with a plurality of columns, and the pressing plate assembly comprises a pressing plate body provided with holes through which the columns pass, and the pressing plate body is in sliding connection with the columns.

[0019] In the technical scheme, the pressing plate assembly is used to press the PCB board, so that the PCB board is prevented from moving or warping during testing.

[0020] In the embodiment of the PCB board testing device, the pressing plate assembly further comprises a pressing plate drive, one end of the pressing plate drive is connected with the pressing plate support, and the other end of the pressing plate drive is connected with the pressing plate body.

[0021] In the embodiment of the PCB board testing device, the pressing plate drive comprises a pressing plate fixing seat, a driving handle, a driving rod and a transmission arm, the pressing plate fixing seat is connected with the pressing plate support, the pressing plate fixing seat is provided with a hinged part and a sliding connection hole, one end of the driving handle is bent, the end of the driving handle close to the bent part is hinged with the sliding connection hole, the driving rod is connected with the sliding connection hole, one end of the driving rod is connected with the pressing plate body, one end of the transmission arm is hinged with the free end of the driving rod, and the other end of the transmission arm is hinged with the bent part of the driving handle, and the transmission arm is arranged to slide in the sliding connection hole when the driving handle rotates around the hinged part.

[0022] In the technical scheme, the pressing plate drive adopts a mechanical transmission arm, so that quick clamping and releasing are realized, and the manual intervention time is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0023] The preferred embodiments of the utility model are described below with reference to the drawings, and the drawings comprise:

[0024] Figure 1 is a schematic view of the overall structure of an embodiment of a PCB board testing device;

[0025] Figure 2 is a schematic view of the connection relationship of an embodiment of a mounting plate of a PCB board testing device;

[0026] Figure 3 is a sectional view of an embodiment of a driving assembly of a PCB board testing device;

[0027] Figure 4 is Figure 2Top view of the movable plug-in assembly on the left side of the mounting plate of the PCB board inspection equipment;

[0028] Figure 5 yes Figure 2 Top view of the movable plug-in assembly on the right side of the mounting plate of the PCB board inspection equipment;

[0029] Figure 6 This is a structural diagram of the pressure plate assembly of a PCB board testing equipment.

[0030] List of reference numerals in the attached drawings: 1-Base; 2-Mounting plate; 21-Slide rail; 3-Modible plug-in assembly; 31-Sliding base; 311-Drive connection part; 32-Connecting plate; 33-Needle mold; 34-Probe; 4-Drive assembly; 41-Drive seat; 42-Connecting arm; 43-Sliding rod; 44-Handle; 5-Pressure plate assembly; 511-Pressure plate fixing seat; 512-Transmission arm; 513-Drive handle; 514-Drive rod; 52-Pressure plate body; 53-Column; 6-Pressure plate bracket. Detailed Implementation

[0031] Preferred embodiments of this application are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely illustrative of the technical principles of this application and are not intended to limit the scope of protection of this application. Those skilled in the art can make adjustments as needed to adapt to specific application scenarios.

[0032] It should be noted that, in the description of this application, unless otherwise explicitly specified and limited, the terms "set up," "connection," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or other type of connection; it can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0033] It should be understood that the terms "upper", "lower", "inner", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0034] like Figures 1-6To solve the problem that the existing PCB substrate detection needs to replace the stage and the process is complicated when detecting different specifications of PCB substrates, the utility model provides a kind of PCB detection equipment, including: mounting plate 2 is set to be able to place PCB board, mounting plate 2 sets slide rail 21;Movable plug-in component 3, including probe fixed base and probe 34, probe fixed base is slidably connected with slide rail 21, probe fixed base is set to be able to press the one side of PCB board;Probe 34 is connected with probe fixed base, probe 34 is set to be able to contact with the test point on PCB board;Drive assembly 4 is fixedly connected with mounting plate 2, and is set to be able to drive movable plug-in component 3 along the length direction of slide rail 21 movement.Through the cooperation of slide rail 21 and movable plug-in component 3, the adjustability of probe 34 position is realized, the problem that traditional equipment needs to frequently replace stage is solved, and the detection needs of different specifications of PCB board are adapted.Drive assembly 4 controls probe 34 movement, can accurately position test point, improves detection efficiency.The structure does not need special test fixture, and equipment cost is reduced.

[0035] As shown in Figure 1 In one or more embodiments, the PCB detection equipment includes: base 1, mounting plate 2, movable plug-in component 3, drive assembly 4 and pressing plate assembly 5. Alternatively, base 1 and pressing plate assembly 5 can not be provided.

[0036] As shown in Figure 1 And Figure 6 In one or more embodiments, the base 1 is placed on a support surface, and the base 1 has a cavity formed therein to accommodate corresponding components. The base 1 is provided with a pressing plate support 6 for mounting the pressing plate assembly 5. It should be noted that the base 1 is not necessarily provided, and a person skilled in the art can select whether to provide the base 1 and the specific structure of the base 1 based on the specific application scenario. Of course, the base 1 can not be provided. In one or more embodiments, four dispersed stand columns 53 are provided between the base 1 and the pressing plate support 6. Alternatively, the number of stand columns 53 can be one, two, three, five, etc.

[0037] As shown in Figure 1 And Figure 2 In one or more embodiments, the mounting plate 2 is provided on the upper side of the base 1, and the mounting plate 2 has a hanging ear formed at both ends, and the upper side of the hanging ear is provided with a slide rail 21. The hanging ear facilitates the connection of the movable plug-in component 3 and the drive assembly 4. Alternatively, the two ends of the mounting plate 2 can have other shapes as long as they can connect the movable plug-in component 3 and the drive assembly 4.

[0038] As shown in Figure 2 , Figure 3 And Figure 4 In one or more embodiments, the Figure 2The probe holder on the left side includes a sliding base 31, a connecting plate 32, a needle mold 33, and a probe 34. A slider that is slidably connected to the slide rail 21 is provided on the lower side of the sliding base 31. Figure 4 As shown, the sliding base 31 extends downwards towards the paper surface, extending a drive connection portion 311. The drive connection portion 311 facilitates connection with the drive assembly 4. A connecting plate 32 is connected to the sliding base 31 and is positioned perpendicular to it. A needle mold 33 is mounted on the connecting plate 32, and the needle mold 33 has pinholes through which the probes 34 pass. Alternatively, the needle mold 33 can be directly connected to the sliding base 31. The number of probes 34 is multiple, depending on specific requirements. This separate design of the sliding base 31 and the needle mold 33 simplifies the maintenance process for the probes 34, and the modular structure facilitates quick replacement of damaged components. The vertical layout of the connecting plate 32 optimizes the contact angle between the probes 34 and the PCB board, reducing testing errors caused by tilting. It should be noted that the specific construction of the probes 34 is existing technology and will not be described in detail here.

[0039] like Figure 2 and Figure 5 As shown, in another embodiment, two slide rails 21 are arranged parallel to each other at one end of the mounting plate 2. Located in... Figure 2 The probe holder on the left side includes a sliding base 31, two connecting plates 32, two needle molds 33, and a probe 34. (As shown) Figure 4 As shown, a connecting plate 32 is mounted on the mounting plate 2. Figure 4 The middle paper is positioned slightly above the top. Another connecting plate 32 is mounted on the mounting plate 2. Figure 4 The needle mold 33 and the connecting plate 32 are positioned at a lower position on the paper surface. A drive connection part 311 is located in the middle of the sliding base 31, facilitating connection with the drive assembly 4. It should be noted that the connection methods for other structures are similar to... Figure 2 The connection methods of related structures in the probe holder on the left side are the same or similar, and will not be described again here. The number of connecting plates 32 in the movable plug-in assembly 3 can be one, two, or three; those skilled in the art can choose the number of connecting plates 32 based on specific application scenarios. Furthermore, the movable plug-in assembly 3 can be one, two, or three. Those skilled in the art can choose the number of movable plug-in assemblies 3 based on specific application scenarios.

[0040] like Figure 1 and Figure 3As shown, in one or more embodiments, the drive assembly 4 includes a drive seat 41, a sliding rod 43, a connecting arm 42, and a handle 44. The drive seat 41 is fixedly connected to the mounting plate 2. Two parts of the drive seat 41 are bent to form two protrusions relative to the mounting plate 2. One protrusion of the drive seat 41 has a sliding hole, and the other protrusion has a hinge hole. The sliding rod 43 is slidably connected to the sliding hole, and one end of the sliding rod 43 ( Figure 3 A hinge groove is provided on the left end (in the direction of the paper surface). One end of handle 44 ( Figure 3 The left end of the connecting arm 42 (in the direction of the paper surface) is hinged to the hinge hole, and a hinge protrusion is provided on the handle 44. Figure 3 The left end of the connecting arm 42 (in the direction of the paper surface) is connected to the hinge protrusion, and the other end of the connecting arm 42 ( Figure 3 The connecting arm 42 (right end in the direction of the paper surface) connects to the hinge slot, and the sliding rod 43 is configured to slide within the sliding hole when the handle 44 rotates around the hinge hole. Thus, the manual drive assembly 4 provides a low-cost solution suitable for small-batch or high-flexibility applications. The hinge structure reduces the operating force through leverage, improving human-machine interaction. It should be noted that the drive assembly 4 is not mandatory; those skilled in the art can choose whether to include the drive assembly 4 and its specific construction based on the specific application scenario. For example, a cylinder drive or an electric telescopic mechanism can be used. Alternatively, the drive assembly 4 may not be included.

[0041] like Figure 1 and Figure 6 As shown, in one or more embodiments, the PCB board testing equipment further includes a pressure plate assembly 5. The pressure plate assembly 5 includes a pressure plate body 52, with holes for the column 53 to pass through. The pressure plate body 52 is slidably connected to the column 53. Alternatively, the structure of the pressure plate assembly 5 can be selected based on specific application scenarios; the pressure plate assembly 5 only needs to be able to press onto the PCB board. Thus, the pressure plate assembly 5, guided by the column 53 and controlled by the drive handle 513, applies pressure evenly, further preventing the PCB board from shifting or warping during testing.

[0042] like Figure 1 and Figure 6 As shown, in one or more embodiments, the pressure plate assembly 5 further includes a pressure plate drive. The pressure plate drive includes a pressure plate fixing seat 511, a drive handle 513, a drive rod 514, and a transmission arm 512. The pressure plate fixing seat 511 is connected to the pressure plate bracket 6, and one end of the pressure plate fixing seat 511 ( Figure 6 A hinge is provided at the upper end (in the direction of the paper surface), and at the other end ( Figure 6The lower end in the paper surface direction is provided with a sliding connection hole. One end of the driving handle 513 is bent and arranged, and the end close to the bent part of the driving handle 513 is hinged to the sliding connection hole. The driving rod 514 is connected with the sliding connection hole, and one end of the driving rod 514 is connected with the pressing plate body 52. One end of the transmission arm 512 (the lower end in the paper surface direction) is hinged to the free end of the driving rod 514, and the other end of the transmission arm 512 (the upper end in the paper surface direction) is hinged to the bent part of the driving handle 513. Figure 6 The lower end in the paper surface direction is provided with a sliding connection hole. One end of the driving handle 513 is bent and arranged, and the end close to the bent part of the driving handle 513 is hinged to the sliding connection hole. The driving rod 514 is connected with the sliding connection hole, and one end of the driving rod 514 is connected with the pressing plate body 52. One end of the transmission arm 512 (the lower end in the paper surface direction) is hinged to the free end of the driving rod 514, and the other end of the transmission arm 512 (the upper end in the paper surface direction) is hinged to the bent part of the driving handle 513. Figure 6 Figure 6 The lower end in the paper surface direction is provided with a sliding connection hole. One end of the driving handle 513 is bent and arranged, and the end close to the bent part of the driving handle 513 is hinged to the sliding connection hole. The driving rod 514 is connected with the sliding connection hole, and one end of the driving rod 514 is connected with the pressing plate body 52. One end of the transmission arm 512 (the lower end in the paper surface direction) is hinged to the free end of the driving rod 514, and the other end of the transmission arm 512 (the upper end in the paper surface direction) is hinged to the bent part of the driving handle 513.

[0043] Those skilled in the art will appreciate that a combination of features of different embodiments means within the scope of the application and forms different embodiments, although some embodiments herein include certain features rather than other features included in other embodiments. For example, in the claims of the application, any one of the claimed embodiments can be used in any combination.

[0044] So far, the technical scheme of the utility model has been described in combination with the preferred embodiments shown in the drawings, but those skilled in the art can easily understand that the protection scope of the utility model is obviously not limited to these specific embodiments. Those skilled in the art can make equivalent changes or replacements to related technical features without departing from the principles of the utility model, and the technical schemes after the changes or replacements will fall within the protection scope of the utility model.

Claims

1. A PCB board testing device, characterized in that, include: Mounting plate (2) is configured to hold PCB board, and mounting plate (2) is provided with slide rail (21). The movable plug-in assembly (3) includes a probe holder and a probe (34). The probe holder is slidably connected to the slide rail (21). The probe holder is configured to press against one side of the PCB board. The probe (34) is connected to the probe holder and is configured to contact a test point on the PCB board. The drive assembly (4) is fixedly connected to the mounting plate (2) and is configured to drive the movable plug assembly (3) to move along the length direction of the slide rail (21).

2. The PCB board testing equipment according to claim 1, characterized in that, The probe holder includes a sliding base (31) and a needle mold (33). The lower side of the sliding base (31) is provided with a slider that is slidably connected to the slide rail (21). The needle mold (33) is connected to the sliding base (31). The needle mold (33) is provided with a needle hole for the probe (34) to pass through.

3. The PCB board testing equipment according to claim 2, characterized in that, The probe holder also includes a connecting plate (32), which is connected to the sliding base (31) and is set perpendicular to the sliding base (31). The needle mold (33) is set on the connecting plate (32).

4. The PCB board testing equipment according to claim 2, characterized in that, The sliding base (31) is provided with a drive connection part (311), and the drive assembly (4) is connected to the drive connection part (311).

5. The PCB board testing equipment according to claim 4, characterized in that, The number of needle molds (33) in the probe holder is at least one; and\or The number of the active plug-in components (3) is at least one.

6. The PCB board testing equipment according to claim 1, characterized in that, The drive assembly (4) includes a drive base (41), a sliding rod (43), a connecting arm (42), and a handle (44). The drive seat (41) is fixedly connected to the mounting plate (2). One end of the drive seat (41) is provided with a sliding hole, and the other end is provided with a hinge hole. The sliding rod (43) is slidably connected to the sliding hole, and the sliding rod (43) is provided with a hinge groove; One end of the handle (44) is hinged to the hinge hole, and the handle (44) is provided with a hinge protrusion: One end of the connecting arm (42) is connected to the hinge protrusion, and the other end of the connecting arm (42) is connected to the hinge groove. The connecting arm (42) is configured such that when the handle (44) rotates around the hinge hole, the sliding rod (43) slides in the sliding hole.

7. The PCB board testing equipment according to claim 1, characterized in that, The PCB board testing equipment also includes a pressure plate assembly (5), which is configured to press onto the PCB board.

8. The PCB board testing equipment according to claim 7, characterized in that, The PCB board testing equipment also includes a pressure plate bracket (6), which is provided with multiple columns (53). The pressure plate assembly (5) includes a pressure plate body (52), which is provided with holes for the columns (53) to pass through. The pressure plate body (52) is slidably connected to the columns (53).

9. The PCB board testing equipment according to claim 8, characterized in that, The pressure plate assembly (5) further includes a pressure plate drive, one end of which is connected to the pressure plate bracket (6), and the other end of which is connected to the pressure plate body (52).

10. The PCB board testing equipment according to claim 9, characterized in that, The pressure plate drive includes a pressure plate fixing seat (511), a drive handle (513), a drive rod (514), and a transmission arm (512). The pressure plate fixing seat (511) is connected to the pressure plate bracket (6), and the pressure plate fixing seat (511) is provided with a hinge and a sliding connection hole; One end of the drive handle (513) is bent, and the end of the drive handle (513) near the bent part is hinged to the sliding connection hole; The drive rod (514) is connected to the sliding connection hole, and one end of the drive rod (514) is connected to the pressure plate body (52); One end of the transmission arm (512) is hinged to the free end of the drive rod (514), and the other end of the transmission arm (512) is hinged to the bent part of the drive handle (513); the transmission arm (512) is configured such that when the drive handle (513) rotates around the hinge, the drive rod (514) slides in the sliding connection hole.

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