PCB on-line circuit detector

Abstract

The utility model discloses a PCB on-line circuit detector, which relates to the technical field of circuit detection and comprises a detection fixing mechanism, a PCB conveying mechanism is fixedly arranged at the upper end of the detection fixing mechanism, a PCB fixing frame plate is clamped on the PCB conveying mechanism in a sliding mode, a limiting mechanism is fixedly arranged on one side of the detection fixing mechanism, and the PCB fixing frame plate is clamped on the PCB conveying mechanism in a sliding mode. The PCB online circuit detection device solves the problems that detection under existing PCB online circuit detection equipment cannot ensure that detection points of PCBs are correctly corresponding, and a detection device placing plate can only control and connect the PCBs with the same size, realizes positioning through the arrangement of four groups of detection modules, four groups of connection plate frames and an original point positioner, and improves the detection efficiency. The conveying of the PCB fixing frame plate is limited through the arrangement of the lifting frame in the limiting mechanism, the detection module is detachable and the elastic limiting assembly in the PCB fixing frame plate is arranged, so that the detection module is detachable and tests are completed aiming at different circuit boards, and the elastic limiting assembly can fix PCBs of different sizes.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit detection, in particular to a PCB online circuit detector. Background Art

[0002] PCB is one of the important components of the electronics industry. Almost every electronic device, from electronic watches and calculators to computers, communication electronic equipment, and military weapon systems, uses PCB to make electrical interconnections between components. PCB consists of an insulating base, connecting wires, and pads for assembling and welding electronic components. It has the dual functions of a conductive circuit and an insulating base. Because of the dense circuit structure inside, damage or bending of the main body caused by collision will have a serious impact on the circuit structure. Therefore, in the production process of PCB, it is necessary to perform sampling compression testing on the PCB to ensure the quality of the finished product.

[0003] The PCB board detection device with the publication number CN220584342U includes a detection base and a detection device, the detection device includes a support column, a second slide groove, a cross beam, a drive motor and a detection component, the support column is provided with two groups, and the inner wall of each group of support columns is provided with a second slide groove. The PCB board detection device, the detection base includes a base body, a first slide groove, a placement plate and a separation groove, the top of the base body is provided with a first slide groove, the surface of the first slide groove is slidably connected with the placement plate, and the surface of the placement plate is provided with a cross-shaped separation groove. When in use, the PC to be detected is placed The B plate is placed on the surface of the placement board. At most four groups of PCB boards can be placed on the surface of the placement board. The PCB boards are transported to the bottom of the detection equipment for detection by sliding the placement board in the first slide slot. Two groups of red and green lights are installed on the top of the detection equipment. If there is no problem in the detection, the green light will be on. If there is a problem in the detection, the red light will be on. The prompt is strong. However, the detection directly below this device cannot ensure that the detection points of the PCB board are correctly matched. At the same time, the detection device has relatively single parameters for circuit board detection. The placement board can only control the connection of PCB boards of the same size, and the adaptability is poor.

[0004] In view of the above problems, a PCB online circuit detector is proposed. An automatic detection mechanism is set up to realize the transportation and automatic alignment detection of PCB. Utility Model Content

[0005] The utility model aims to provide a PCB online circuit detector, which solves the problem that the existing PCB online circuit detection equipment in the background technology cannot ensure that the detection points of the PCB board are correctly matched when detecting directly below, and the detection device has relatively single parameters for circuit board detection, and the placement plate can only control the connection of PCB boards of the same size, which has poor adaptability.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PCB online circuit detector, comprising a detection and fixing mechanism, a PCB conveying mechanism for conveying is fixedly arranged on the upper end of the detection and fixing mechanism, a PCB fixing frame plate for fixing the circuit board is slidably engaged on the PCB conveying mechanism, a limiting mechanism for limiting is fixedly arranged on one side of the detection and fixing mechanism, the detection and fixing mechanism comprises a fixing frame, a detection instrument arranged on the upper end of the movably connected fixing frame, four groups of detection modules are sleeved on the detection instrument, and the four groups of detection modules are arranged in two rows and two columns, the limiting mechanism comprises a vertical plate fixedly connected to the fixing frame, a lifting frame that can be lifted and lowered is slidably arranged on one side of the vertical plate, the PCB fixing frame plate comprises a conveying positioning frame that can be conveyed along the PCB conveying mechanism, an origin locator is connected to the center of the conveying positioning frame, four groups of connecting plate frames are embedded in the conveying positioning frame, and elastic limiting components for fixing the circuit board are arranged on both sides of the connecting plate frame.

[0007] Preferably, the detection and fixing mechanism further comprises a cross bar fixedly arranged at the upper end of the fixed frame, a mobile frame movably connected to the cross bar, and the detection instrument is fixedly connected to the mobile frame.

[0008] Preferably, the detection module comprises a detection frame which is inserted into the lower end of the detection instrument, and a knob is rotatably provided on the upper end of the detection frame.

[0009] Preferably, the PCB conveying mechanism includes a guide frame connected to one side of the fixing frame, a T-shaped frame fixedly arranged on the upper end of the fixing frame, and one side of the T-shaped frame is rotatably connected to a transmission assembly.

[0010] Preferably, the rotating output end of the transmission assembly is connected to a roller, the PCB fixing frame plate is arranged in close contact with the upper end of the roller, and a guide groove is provided on one side of the guide frame.

[0011] Preferably, the elastic limiting assembly is connected to two sides that are not adjacent to the origin locator, and the elastic limiting assembly includes a spring plate and four groups of springs connecting the springs and the connecting plate frame.

[0012] Preferably, the limiting mechanism further includes a driving cylinder arranged on one side of the vertical plate.

[0013] Preferably, a blocking piece is provided at the upper end of the lifting frame.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. The utility model provides a PCB online circuit detector, which uses four groups of detection modules, four groups of connecting plate frames and an origin locator to position the PCB, so that the PCB conveying mechanism is used to convey the PCB fixed frame plate, the detection instrument can move to change the position of the detection module, the four groups of detection modules and the four groups of connecting plate frames are arranged corresponding to each other, the origin locator is arranged at the center of the conveying positioning frame, and is matched with the detection instrument to achieve positioning, which preliminarily solves the problem that the detection point of the PCB board cannot be correctly matched when detecting directly below the existing PCB online circuit detection equipment.

[0016] 2. The utility model provides a PCB online circuit tester, which fixes the vertical plate through the setting of the lifting frame in the limit mechanism, and the lifting frame is set up and down to limit the transportation of the PCB fixed frame plate, thereby solving the problem that the existing PCB online circuit test equipment cannot ensure that the test points of the PCB board are correctly matched when testing directly below.

[0017] 3. The utility model provides a PCB online circuit tester. Through the detachable detection module and the setting of the elastic limit component in the PCB fixed frame plate, the detection module is detachable and tests are completed for different circuit boards. The setting of the elastic limit component enables the PCB fixed frame plate to fix PCB boards of different sizes, and has good adaptability. It solves the problem that the existing PCB online circuit detection equipment has relatively single parameters for circuit board detection, and the placement plate can only control the connection of PCB boards of the same size, and has poor adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall front view structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the overall side view structure of the utility model;

[0020] Figure 3 This is a structural schematic diagram of the PCB conveying mechanism of the utility model;

[0021] Figure 4 It is a structural schematic diagram of the limiting mechanism of the utility model;

[0022] Figure 5 It is a schematic diagram of the top view of the PCB fixing frame plate of the utility model.

[0023] In the figure: 1. detection fixing mechanism; 11. fixing frame; 12. cross bar; 13. moving frame; 14. detection instrument; 15. detection module; 151. detection frame; 152. knob; 2. PCB conveying mechanism; 21. guide frame; 211. guide groove; 22. T-shaped frame; 23. transmission assembly; 24. roller; 3. PCB fixing frame; 31. conveying positioning frame; 32. origin locator; 33. connecting plate frame; 34. elastic limiting assembly; 341. spring; 342. spring plate; 4. limiting mechanism; 41. vertical plate; 42. driving cylinder; 43. lifting frame; 431. baffle. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.

[0026] Combination Figure 1 The utility model discloses a PCB online circuit detector, comprising a detection fixing mechanism 1, a PCB conveying mechanism 2 for conveying is fixedly arranged on the upper end of the detection fixing mechanism 1, a PCB fixing frame plate 3 for fixing the circuit board is slidably engaged on the PCB conveying mechanism 2, a limiting mechanism 4 for limiting is fixedly arranged on one side of the detection fixing mechanism 1, the detection fixing mechanism 1 comprises a fixing frame 11, a detection instrument 14 is movably connected to the upper end of the fixing frame 11, four groups of detection modules 15 are sleeved on the detection instrument 14, and the four groups of detection modules 15 are arranged in two rows and two columns, the limiting mechanism 4 comprises a vertical plate 41 fixedly connected to the fixing frame 11, a lifting frame 43 that can be lifted and lowered is slidably arranged on one side of the vertical plate 41, the PCB fixing frame plate 3 comprises a conveying positioning frame 31 that can be conveyed along the PCB conveying mechanism 2, an origin locator 32 is connected to the center of the conveying positioning frame 31, four groups of connecting plate frames 33 are embedded in the conveying positioning frame 31, and elastic limiting components 34 for fixing the circuit board are arranged on both sides of the connecting plate frames 33.

[0027] Specifically, the fixing frame 11 plays a fixing role, the PCB conveying mechanism 2 is used to convey the PCB fixed frame plate 3, the detection instrument 14 can move to change the position of the detection module 15, the four groups of detection modules 15 and the four groups of connecting plate frames 33 are arranged corresponding to each other, the origin locator 32 is arranged at the center position of the conveying and positioning frame 31, and is matched with the detection instrument 14 to achieve positioning, the vertical plate 41 is fixed, and the lifting frame 43 is lifted and lowered to position the conveying position of the PCB fixed frame plate 3. The detection instrument 14 and the conveying and positioning frame 31 of this equipment are both movable. The setting of the origin locator 32 can ensure that the detection point of the PCB board is correctly matched, the setting of the elastic limiting component 34 allows the circuit board to be squeezed and fixed, the origin locator 32 is the positioning origin, the detection module 15 is detachable, and tests are completed for different circuit boards. The setting of the elastic limiting component 34 enables the PCB fixed frame plate 3 to fix PCB boards of different sizes, and has good adaptability.

[0028] The utility model is further described below in conjunction with embodiments.

[0029] Embodiment 1:

[0030] Combination Figure 2-Figure 4 The detection and fixing mechanism 1 also includes a cross bar 12 fixedly arranged at the upper end of the fixed frame 11, a mobile frame 13 movably connected to the cross bar 12, a detection instrument 14 fixedly connected to the mobile frame 13, the fixed frame 11 fixes the cross bar 12, and the cross bar 12 provides a moving guide for the mobile frame 13 to help the detection instrument 14 to detect the corresponding PCB fixed frame plate 3.

[0031] The detection module 15 includes a detection frame 151 inserted into the lower end of the detection instrument 14. The upper end of the detection frame 151 is rotatably provided with a knob 152. The setting of the knob 152 allows the detection frame 151 to be disassembled accordingly. A detection probe is provided in the detection frame 151 to complete the test.

[0032] The PCB conveying mechanism 2 includes a guide frame 21 connected to one side of the fixed frame 11, a T-shaped frame 22 fixedly arranged on the upper end of the fixed frame 11, one side of the T-shaped frame 22 is rotatably connected to a transmission assembly 23, the guide frame 21 provides a mobile guide for the PCB fixed frame plate 3, the T-shaped frame 22 fixes the transmission assembly 23, and the transmission assembly 23 drives the roller 24 to rotate to realize the conveyance of the PCB fixed frame plate 3.

[0033] The rotating output end of the transmission component 23 is connected to a roller 24, the PCB fixed frame plate 3 is arranged in close contact with the upper end of the roller 24, a guide groove 211 is opened on one side of the guide frame 21, the PCB fixed frame plate 3 is engaged in the guide groove 211, the transmission component 23 drives the roller 24 to rotate, and the PCB fixed frame plate 3 slides horizontally along the guide groove 211 under the drive of the roller 24.

[0034] Embodiment 2:

[0035] Combination Figure 5 The elastic limiting assembly 34 is connected to two sides that are not adjacent to the origin locator 32. The elastic limiting assembly 34 includes a spring plate 342 and four groups of springs 341 connecting the springs 341 and the connecting plate frame 33. The spring 341 provides elastic force for the spring plate 342, and the spring plate 342 squeezes and fixes the circuit board.

[0036] The limiting mechanism 4 also includes a driving cylinder 42 arranged on one side of the vertical plate 41. The driving cylinder 42 drives the lifting frame 43 to rise and fall. When the lifting frame 43 is raised, the conveying of the PCB fixed frame plate 3 can be limited. When the lifting frame 43 is lowered, the PCB fixed frame plate 3 can continue to be conveyed to realize detection and unloading.

[0037] A baffle 431 is provided at the upper end of the lifting frame 43. The baffle 431 is as wide as the bottom of the conveying and positioning frame 31, and blocks the PCB fixing frame plate 3 from the lower end. The width of the lifting frame 43 is greater than the baffle 431, and the highest point of the lifting is limited.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A PCB online circuit detector, comprising a detection fixing mechanism (1), characterized in that: A PCB conveying mechanism (2) for conveying is fixedly provided at the upper end of the detection fixing mechanism (1), a PCB fixing frame plate (3) for fixing the circuit board is slidably engaged on the PCB conveying mechanism (2), and a limiting mechanism (4) for limiting is fixedly provided on one side of the detection fixing mechanism (1); The detection fixing mechanism (1) comprises a fixing frame (11), a detection instrument (14) arranged on the upper end of the movably connected fixing frame (11), four groups of detection modules (15) being sleeved on the detection instrument (14), and the four groups of detection modules (15) being arranged in two rows and two columns. The limiting mechanism (4) comprises a vertical plate (41) fixedly connected to the fixing frame (11), a lifting frame (43) being slidably arranged on one side of the vertical plate (41), and the PCB fixing frame (3) comprising a conveying positioning frame (31) capable of conveying along the PCB conveying mechanism (2), an origin locator (32) being connected at the center of the conveying positioning frame (31), four groups of connecting plate frames (33) being embedded in the conveying positioning frame (31), and elastic limiting components (34) for fixing the circuit board are arranged on both sides of the connecting plate frame (33).

2. A PCB online circuit detector according to claim 1, characterized in that: The detection fixing mechanism (1) also includes a cross bar (12) fixedly arranged on the upper end of the fixed frame (11), a mobile frame (13) movably connected to the cross bar (12), and the detection instrument (14) is fixedly connected to the mobile frame (13).

3. A PCB online circuit detector according to claim 1, characterized in that: The detection module (15) comprises a detection frame (151) which is inserted into the lower end of the detection instrument (14), and a knob (152) is rotatably provided on the upper end of the detection frame (151).

4. The PCB online circuit detector according to claim 1, characterized in that: The PCB conveying mechanism (2) comprises a guide frame (21) connected to one side of a fixed frame (11), a T-shaped frame (22) fixedly arranged on the upper end of the fixed frame (11), and a transmission assembly (23) rotatably connected to one side of the T-shaped frame (22).

5. A PCB online circuit detector according to claim 4, characterized in that: The rotating output end of the transmission assembly (23) is connected to a roller (24), the PCB fixing frame plate (3) is arranged in close contact with the upper end of the roller (24), and a guide groove (211) is provided on one side of the guide frame (21).

6. The PCB online circuit detector according to claim 1, characterized in that: The elastic limiting assembly (34) is connected to two sides not adjacent to the origin locator (32), and the elastic limiting assembly (34) comprises a spring plate (342) and four groups of springs (341) connecting the springs (341) and the connecting plate frame (33).

7. The PCB online circuit detector according to claim 1, characterized in that: The limiting mechanism (4) also includes a driving cylinder (42) arranged on one side of the vertical plate (41).

8. The PCB online circuit detector according to claim 1, characterized in that: A blocking piece (431) is provided at the upper end of the lifting frame (43).

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