Circuit board open circuit and short circuit detection machine

Abstract

The utility model discloses a circuit board open circuit and short circuit detection machine which comprises a detection mechanism, a material storage mechanism and a classification mechanism which are arranged in sequence. The detection mechanism is used for performing open-short circuit detection on the circuit board; the storage mechanism is used for storing a plurality of circuit boards stacked up and down; the classification mechanism comprises a first stock bin and a second stock bin, the first stock bin is used for storing circuit boards detected to be qualified by the detection mechanism, and the second stock bin is used for storing circuit boards detected to be open and short by the detection mechanism; the material moving mechanism comprises a guide rail, a translation frame and two adsorption assemblies, the translation frame is arranged on the guide rail in a translation mode, the two adsorption assemblies are arranged on the translation frame and are sequentially arranged in the length direction of the guide rail, one adsorption assembly is used for adsorbing the circuit board to be fed, and the other adsorption assembly is used for adsorbing the circuit board to be discharged. The circuit board open circuit and short circuit detection machine can automatically complete circuit board open circuit and short circuit detection, and the detection efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the technical field of circuit board testing equipment, and in particular to a circuit board open / short circuit testing machine. Background Technology

[0002] During the production process of circuit boards, it is usually necessary to perform open and short circuit tests on the circuit boards to detect whether there are any open or short circuit defects and to ensure the quality of the circuit boards.

[0003] Currently, open and short circuit testing of circuit boards is generally performed manually by using testing tools to test each circuit board individually.

[0004] However, existing methods for detecting open and short circuits on circuit boards are inefficient. Utility Model Content

[0005] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a circuit board open / short circuit detection machine, which can automatically complete the open / short circuit detection of circuit boards, thereby improving detection efficiency.

[0006] The circuit board open / short circuit detection machine according to an embodiment of the present utility model includes a detection mechanism, a storage mechanism, and a sorting mechanism arranged in sequence.

[0007] The testing mechanism is used to perform open and short circuit tests on the circuit board;

[0008] The storage mechanism is used to store multiple circuit boards stacked vertically.

[0009] The sorting mechanism includes a first hopper and a second hopper. The first hopper is used to store circuit boards that have passed the inspection by the testing mechanism, and the second hopper is used to store circuit boards that have been found to be open or short-circuited by the testing mechanism.

[0010] It also includes a material transfer mechanism, which includes a guide rail, a translation frame, and two adsorption components. The guide rail passes sequentially through the detection mechanism, the storage mechanism, and the sorting mechanism. The translation frame is translatably mounted on the guide rail and can move back and forth between the detection mechanism, the storage mechanism, and the sorting mechanism. The two adsorption components are mounted on the translation frame and are arranged sequentially along the length of the guide rail. One adsorption component is used to adsorb circuit board loading, and the other adsorption component is used to adsorb circuit board unloading.

[0011] The circuit board open / short circuit detection machine according to the embodiment of this utility model has at least the following beneficial effects:

[0012] 1. This utility model achieves fully automated operation of the circuit board testing process through the integrated layout of the testing mechanism, storage mechanism and sorting mechanism, and with the material transfer mechanism equipped with dual adsorption components, effectively improving the testing efficiency. Moreover, the loading and unloading actions can be completed simultaneously in a single round trip, effectively reducing the idle time of the equipment and further improving the testing efficiency.

[0013] 2. This utility model arranges the detection mechanism, storage mechanism, and sorting mechanism in sequence, so that the storage mechanism and sorting mechanism can be located on the same side of the detection mechanism. This allows one adsorption component of the transfer mechanism to feed material into the sorting mechanism on one side of the detection mechanism, while the other adsorption component can simultaneously pick up material from the storage mechanism on the same side of the detection mechanism. This avoids the situation where one adsorption component of the transfer mechanism feeds material into the sorting mechanism on one side of the detection mechanism, then bypasses the detection mechanism to pick up material from the storage mechanism on the other side of the detection mechanism. This shortens the travel distance between feeding material into the sorting mechanism and picking up material from the storage mechanism, improving the efficiency of the transfer mechanism's loading and unloading. At the same time, it avoids the transfer mechanism interfering with the detection mechanism's inspection of the circuit board by passing through the detection mechanism.

[0014] 3. This utility model sets up a sorting mechanism with a first hopper and a second hopper. The first hopper is used to store circuit boards that have passed the inspection by the testing mechanism, and the second hopper is used to store circuit boards that have been found to be open or short-circuited by the testing mechanism. This facilitates the sorting and storage of qualified circuit boards and open / short-circuited circuit boards.

[0015] According to some embodiments of the present invention, the adsorption assembly includes a first cylinder, a mounting frame, and a vacuum nozzle. The first cylinder is fixed on the translation frame and is used to drive the mounting frame to rise and fall. The vacuum nozzle is mounted on the mounting frame and is used for vacuum adsorption of the circuit board.

[0016] The advantages of this invention are: by setting a first cylinder, a mounting frame, and a vacuum nozzle in the adsorption assembly, the first cylinder is fixed on the translation frame and is used to drive the mounting frame to rise and fall. The vacuum nozzle is installed on the mounting frame and is used to vacuum adsorb the circuit board. It can be understood that by adopting the vacuum nozzle structure driven by the first cylinder, the stability of the circuit board picking and placing process is ensured through precise lifting and lowering control. The vacuum adsorption method avoids scratches on the board surface caused by mechanical clamping.

[0017] According to some embodiments of the present invention, the vacuum nozzle includes a vertical rod, a suction head located at the bottom end of the vertical rod, and a limiting rod cap disposed at the top end of the vertical rod. The mounting frame has a mounting hole for accommodating the lifting and lowering of the vertical rod. A first spring is fitted onto the vertical rod, with the top end of the first spring abutting against the mounting frame and the bottom end of the first spring abutting against the suction head.

[0018] The advantages of this invention are: the vacuum nozzle includes a vertical rod, a suction head located at the bottom of the vertical rod, and a limiting rod cap located at the top of the vertical rod. The mounting frame has a mounting hole to accommodate the lifting of the vertical rod. A first spring is fitted on the vertical rod, with the top end of the first spring abutting against the mounting frame and the bottom end of the first spring abutting against the suction head. It can be understood that the first spring buffer design enables the suction head to have adaptive height adjustment capability, ensuring reliable adsorption of circuit boards of different thicknesses. At the same time, the elastic suspension structure of the vacuum nozzle absorbs mechanical impact through the compression deformation of the first spring, effectively reducing the pressure of the suction head on the surface of the circuit board while ensuring stable adsorption. It is particularly suitable for processing precision circuit boards with fragile components on the surface.

[0019] According to some embodiments of this utility model, four vacuum nozzles are provided, and the four vacuum nozzles are arranged in a rectangular pattern.

[0020] The advantages are: by setting four vacuum nozzles arranged in a rectangular pattern, the four rectangularly distributed vacuum nozzles form a stable planar adsorption system. The even distribution of multiple support points effectively prevents deformation of large-size circuit boards during the transfer process, while enhancing the adsorption reliability of warped boards and effectively reducing the leakage rate.

[0021] According to some embodiments of the present invention, the translation frame is provided with a guide seat, the guide seat has a guide hole extending vertically, and the mounting frame is provided with a guide rod, the guide rod cooperating with the guide hole for guidance.

[0022] The advantages of this invention are: by setting a guide seat on the translation frame, the guide seat has a guide hole extending vertically, and the mounting frame is equipped with a guide rod, which cooperates with the guide hole to guide, thereby ensuring that the adsorption component maintains a vertical movement trajectory during the lifting process and avoiding the circuit board from slipping or falling due to tilting.

[0023] According to some embodiments of the present invention, a mounting bracket is provided with at least two guide rods, and a guide seat is provided accordingly.

[0024] The advantages of this invention are that by providing at least two guide rods and corresponding guide seats to a mounting frame, the multi-point guide rod configuration can significantly enhance the structural rigidity of the mounting frame, suppress vibration amplitude during high-speed transfer, and ensure the positioning accuracy and stability of the adsorption component during high-frequency operation of the equipment.

[0025] According to some embodiments of the present invention, the storage mechanism includes a first lifting seat and a first sensor. The first lifting seat is used to support the circuit boards stacked vertically, and the first sensor is used to detect the height of the uppermost circuit board of the first lifting seat to control the first lifting seat to lift the circuit board.

[0026] The advantages of this invention are that the material storage mechanism includes a first lifting seat and a first sensor. The first lifting seat is used to support the stacked circuit boards, and the first sensor is used to detect the height of the uppermost circuit board on the first lifting seat to control the lifting seat to lift the circuit board. It can be understood that the real-time detection of the first sensor enables dynamic adjustment of the material stack height. Combined with the automatic compensation function of the first lifting seat, it ensures that the uppermost circuit board is always at the optimal material picking height, thus achieving continuous and uninterrupted material supply.

[0027] According to some embodiments of the present invention, the storage mechanism further includes an alignment component, which includes a first alignment plate, a second alignment plate, a first alignment cylinder, and a second alignment cylinder. The first alignment plate and the second alignment plate respectively abut and align with adjacent side edges of the circuit board. The first alignment cylinder cooperates with the first alignment plate to clamp and align opposite sides of the circuit board, and the second alignment cylinder cooperates with the second alignment plate to clamp and align the other opposite sides of the circuit board.

[0028] The advantages of this invention are that the material storage mechanism further includes an alignment component, which comprises a first alignment plate, a second alignment plate, a first alignment cylinder, and a second alignment cylinder. The first and second alignment plates respectively abut and align with the adjacent two sides of the circuit board. The first alignment cylinder cooperates with the first alignment plate to clamp and align the opposite sides of the circuit board, and the second alignment cylinder cooperates with the second alignment plate to clamp and align the other opposite sides of the circuit board. It can be understood that the cooperation between the first alignment cylinder and the first alignment plate, and the cooperation between the second alignment cylinder and the second alignment plate, achieves precise alignment of the four sides of the circuit board, effectively eliminating the impact of stacking misalignment on the test results, and reducing the calibration time of the subsequent testing mechanism.

[0029] According to some embodiments of the present invention, the first hopper includes a second lifting seat and a second sensor. The second lifting seat is used to support the circuit board, and the second sensor is used to detect the height of the circuit board at the top of the second lifting seat to control the second lifting seat to lower the circuit board.

[0030] The advantages of this invention are: by including a second lifting seat and a second sensor in the first hopper, the second lifting seat is used to support the circuit board, and the second sensor is used to detect the height of the circuit board at the top of the second lifting seat to control the second lifting seat to lower the circuit board. It can be understood that by using the second sensor to monitor the height of the material pile in real time, the neatness of the stacking of qualified products is ensured. Combined with the layer-by-layer descent mechanism, the stacking height is kept stable, which significantly improves the utilization rate of the storage space of the first hopper. At the same time, it ensures that the top circuit board is always at the optimal material release height.

[0031] According to some embodiments of the present invention, the second hopper includes a third lifting seat and a third sensor. The third lifting seat is used to support the circuit board, and the third sensor is used to detect the height of the circuit board at the top of the third lifting seat in order to control the third lifting seat to lower the circuit board.

[0032] The advantages of this invention are: by including a third lifting seat and a third sensor in the second hopper, the third lifting seat is used to support the circuit board, and the third sensor is used to detect the height of the circuit board at the top of the third lifting seat to control the third lifting seat to lower the circuit board. It can be understood that by using the third sensor to monitor the height of the material pile in real time, the neatness of the stacking of qualified products is ensured. Combined with the layer-by-layer descent mechanism, the stacking height is kept stable, which significantly improves the utilization rate of the storage space of the second hopper. At the same time, it ensures that the top circuit board is always at the optimal material release height.

[0033] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0034] To more clearly illustrate the technical solutions of the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0035] Figure 1 This is a schematic diagram of the circuit board open / short circuit detection machine according to an embodiment of the present invention;

[0036] Figure 2 for Figure 1 A top view of the storage mechanism is shown.

[0037] Figure 3 for Figure 1 The enlarged view of point A is shown.

[0038] Reference numerals: 100-Detection mechanism, 110-First hopper, 120-Second hopper, 130-Guide rail, 140-Transfer frame, 150-Adsorption assembly, 160-First cylinder, 170-Mounting frame, 180-Vacuum nozzle, 190-Vertical rod, 200-Suction head, 210-Limiting rod cap, 220-First spring, 230-Guide seat, 240-Guide rod, 250-First lifting seat, 260-First sensor, 270-Alignment assembly, 280-First alignment plate, 290-Second alignment plate, 300-First alignment cylinder, 310-Second alignment cylinder, 320-Second lifting seat, 330-Second sensor, 340-Third lifting seat, 350-Third sensor. Detailed Implementation

[0039] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0040] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional 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.

[0041] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" and "second" are mentioned, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the order of the indicated technical features.

[0042] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation, connection, and linkage" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0043] The circuit board open / short circuit detection machine according to an embodiment of the present invention is described below with reference to the accompanying drawings.

[0044] The present invention aims to provide an embodiment of a circuit board open / short circuit detection machine.

[0045] Reference Figure 1 , Figure 2 and Figure 3 In this embodiment, the circuit board open / short circuit detection machine mainly includes a detection mechanism 100, a storage mechanism, a sorting mechanism, and a transfer mechanism.

[0046] The testing facility 100, the storage facility, and the sorting facility are arranged in sequence.

[0047] The testing organization 100 is used to perform open and short circuit tests on the circuit board.

[0048] Specifically, the testing mechanism 100 includes a frame, a lower contact plate, an upper contact plate, and a pressing cylinder. The lower contact plate is mounted on the frame, and the upper contact plate is located above the lower contact plate. The pressing cylinder is used to drive the upper contact plate to rise and fall. The upper and lower contact plates press the circuit board together to conduct the detection circuit board to check whether it is open or short-circuited.

[0049] The storage mechanism is used to store multiple circuit boards stacked vertically.

[0050] In some specific embodiments, the storage mechanism includes a first lifting seat 250 and a first sensor 260. The first lifting seat 250 is used to support the circuit boards stacked vertically, and the first sensor 260 is used to detect the height of the uppermost circuit board of the first lifting seat 250 to control the first lifting seat 250 to lift the circuit board.

[0051] Understandably, the real-time detection of the first sensor 260 enables dynamic adjustment of the material pile height, which, combined with the automatic compensation function of the first lifting seat 250, ensures that the uppermost circuit board is always at the optimal material picking height, thus achieving continuous and uninterrupted material supply.

[0052] In some specific embodiments, the storage mechanism further includes an alignment component 270, which includes a first alignment plate 280, a second alignment plate 290, a first alignment cylinder 300, and a second alignment cylinder 310. The first alignment plate 280 and the second alignment plate 290 respectively abut and align with the adjacent two sides of the circuit board. The first alignment cylinder 300 cooperates with the first alignment plate 280 to clamp and align the opposite sides of the circuit board, and the second alignment cylinder 310 cooperates with the second alignment plate 290 to clamp and align the other opposite sides of the circuit board.

[0053] Understandably, the first alignment cylinder 300, in cooperation with the first alignment plate 280, and the second alignment cylinder 310, in cooperation with the second alignment plate 290, achieve precise alignment of the four sides of the circuit board, effectively eliminating the impact of stacking misalignment on the test results, and reducing the calibration time of the subsequent testing mechanism 100.

[0054] The sorting mechanism includes a first hopper 110 and a second hopper 120. The first hopper 110 is used to store circuit boards that have passed the inspection by the testing mechanism 100, and the second hopper 120 is used to store circuit boards that have been detected as open or short-circuited by the testing mechanism 100.

[0055] In this embodiment, by setting up a sorting mechanism with a first hopper 110 and a second hopper 120, the first hopper 110 is used to store circuit boards that have passed the inspection by the inspection mechanism 100, and the second hopper 120 is used to store circuit boards that have been found to be open or short-circuited by the inspection mechanism 100. This facilitates the sorting and storage of qualified circuit boards and open / short-circuited circuit boards.

[0056] In some specific embodiments, the first hopper 110 includes a second lifting seat 320 and a second sensor 330. The second lifting seat 320 is used to support the circuit board, and the second sensor 330 is used to detect the height of the circuit board at the top of the second lifting seat 320 to control the second lifting seat 320 to lower the circuit board.

[0057] Understandably, the second sensor 330 is used to monitor the height of the material stack in real time to ensure the neatness of the stack of qualified products. Combined with the layer-by-layer descent mechanism, the stack height is kept stable, which significantly improves the storage space utilization of the first hopper 110. At the same time, it ensures that the top layer of circuit boards is always at the optimal material placement height.

[0058] In some specific embodiments, the second hopper 120 includes a third lifting seat 340 and a third sensor 350. The third lifting seat 340 is used to support the circuit board, and the third sensor 350 is used to detect the height of the circuit board at the top of the third lifting seat 340 to control the third lifting seat 340 to lower the circuit board.

[0059] Understandably, the use of the third sensor 350 to monitor the height of the material stack in real time ensures the neatness of the stack of qualified products. Combined with the layer-by-layer descent mechanism, the stack height is kept stable, which significantly improves the storage space utilization of the second hopper 120. At the same time, it ensures that the top layer of circuit boards is always at the optimal material placement height.

[0060] The material transfer mechanism includes a guide rail 130, a translation frame 140, and two adsorption components 150. The guide rail 130 passes sequentially through the detection mechanism 100, the storage mechanism, and the sorting mechanism. The translation frame 140 is laterally mounted on the guide rail 130 and can move back and forth between the detection mechanism 100, the storage mechanism, and the sorting mechanism. The two adsorption components 150 are mounted on the translation frame 140 and are arranged sequentially along the length of the guide rail 130. One adsorption component 150 is used to adsorb the circuit board loading, and the other adsorption component 150 is used to adsorb the circuit board unloading.

[0061] This embodiment achieves fully automated operation of the circuit board testing process through the integrated layout of the testing mechanism 100, the storage mechanism and the sorting mechanism, and the transfer mechanism with the dual adsorption components 150. This effectively improves the testing efficiency, and the loading and unloading actions can be completed simultaneously in a single round trip, which effectively reduces the idle time of the equipment and can further improve the testing efficiency.

[0062] Furthermore, in this embodiment, by arranging the detection mechanism 100, the storage mechanism, and the sorting mechanism sequentially, the storage mechanism and the sorting mechanism can be located on the same side of the detection mechanism 100. This allows one adsorption component 150 of the transfer mechanism to simultaneously dispense material from the sorting mechanism on one side of the detection mechanism 100 while another adsorption component 150 simultaneously retrieves material from the storage mechanism on the same side of the detection mechanism 100. This avoids the situation where one adsorption component of the transfer mechanism dispenses material from the sorting mechanism on one side of the detection mechanism 100, then bypasses the detection mechanism 100, and retrieves material from the storage mechanism on the other side of the detection mechanism 100. Consequently, it helps to shorten the travel distance between dispensing material from the sorting mechanism and retrieving material from the storage mechanism, thereby improving the efficiency of the transfer mechanism's loading and unloading. At the same time, it avoids the transfer mechanism interfering with the detection mechanism 100's detection of the circuit board by passing through the detection mechanism 100 when the detection mechanism 100 is detecting the circuit board.

[0063] In some specific embodiments, the adsorption assembly 150 includes a first cylinder 160, a mounting frame 170, and a vacuum nozzle 180. The first cylinder 160 is fixed on the translation frame 140 and is used to drive the mounting frame 170 to rise and fall. The vacuum nozzle 180 is mounted on the mounting frame 170 and is used for vacuum adsorption of the circuit board.

[0064] Understandably, the vacuum nozzle 180 structure driven by the first cylinder 160 ensures the stability of the circuit board picking and placing process through precise lifting control, and the vacuum adsorption method avoids scratches on the board surface caused by mechanical clamping.

[0065] Furthermore, the vacuum nozzle 180 includes a vertical rod 190, a suction head 200 located at the bottom end of the vertical rod 190, and a limiting rod cap 210 disposed at the top end of the vertical rod 190. The mounting bracket 170 has a mounting hole for accommodating the lifting and lowering of the vertical rod 190. A first spring 220 is fitted onto the vertical rod 190. The top end of the first spring 220 abuts against the mounting bracket 170, and the bottom end of the first spring 220 abuts against the suction head 200.

[0066] Understandably, the first spring 220 buffer design enables the suction head 200 to have adaptive height adjustment capability, ensuring reliable adsorption of circuit boards of different thicknesses. At the same time, the elastic suspension structure of the vacuum nozzle 180 absorbs mechanical impact through the compression deformation of the first spring 220, effectively reducing the pressure of the suction head 200 on the surface of the circuit board while ensuring stable adsorption. It is particularly suitable for processing precision circuit boards with fragile components on the surface.

[0067] In some specific embodiments, four vacuum nozzles 180 are provided, and the four vacuum nozzles 180 are arranged in a rectangular pattern. Thus, the four rectangularly distributed vacuum nozzles 180 form a stable planar adsorption system. The even distribution of multiple support points effectively prevents deformation of large-size circuit boards during the transfer process, while enhancing the adsorption reliability of warped boards and effectively reducing the leakage rate.

[0068] In some specific embodiments, the translation frame 140 is provided with a guide seat 230, which has a guide hole extending vertically. The mounting frame 170 is provided with a guide rod 240, which cooperates with the guide hole to guide, thereby ensuring that the adsorption assembly 150 maintains a vertical movement trajectory during the lifting process and avoiding the circuit board from slipping or falling due to tilting.

[0069] Furthermore, each mounting bracket 170 is provided with at least two guide rods 240, and guide seats 230 are correspondingly provided. Thus, the multi-point guide rod configuration can significantly enhance the structural rigidity of the mounting bracket 170, suppress vibration amplitude during high-speed transfer, and ensure the positioning accuracy and stability of the adsorption component 150 during high-frequency operation of the equipment.

[0070] In some specific embodiments, the material transfer mechanism further includes a first motor and a first screw. The first motor is used to drive the first screw to rotate. The first screw is threadedly connected to the translation frame 140. The rotation of the first screw drives the translation frame 140 to move, thereby making the movement of the translation frame 140 more stable.

[0071] Furthermore, the detection mechanism 100 also includes a controller, which is electrically connected to the first motor. The controller is used to collect the detection results of the detection mechanism 100 and control the first motor to drive the translation frame 140 to unload materials from the first hopper 110 or the second hopper 120.

[0072] In the description of this specification, references to terms such as "an embodiment," "some embodiments," "illustrative embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0073] The terms "first," "second," "third," "fourth," etc. (if applicable) in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments described herein can be implemented in a sequence other than that illustrated or described herein.

[0074] It should also be noted that, in the description of this specification, relational terms such as first and second are used only 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.

[0075] Furthermore, the terms “comprising” and “having”, and any variations thereof, are intended to cover non-exclusive inclusion, such that a process, method, system, product, or apparatus that includes a series of steps or units is not necessarily limited to those steps or units that are explicitly listed, but may also include other steps or units that are not explicitly listed or that are inherent to such processes, methods, products, or apparatus.

[0076] Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0077] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A circuit board open / short circuit testing machine, characterized in that, It includes a testing unit (100), a storage unit, and a sorting unit arranged in sequence; The testing mechanism (100) is used to perform open and short circuit testing on the circuit board; The storage mechanism is used to store multiple circuit boards stacked vertically. The sorting mechanism includes a first hopper (110) and a second hopper (120). The first hopper (110) is used to store circuit boards that have passed the inspection by the inspection mechanism (100), and the second hopper (120) is used to store circuit boards that have been found to be open or short-circuited by the inspection mechanism (100). It also includes a material transfer mechanism, which includes a guide rail (130), a translation frame (140), and two adsorption components (150). The guide rail (130) passes sequentially through the detection mechanism (100), the storage mechanism, and the sorting mechanism. The translation frame (140) is translatably mounted on the guide rail (130) and can move back and forth between the detection mechanism (100), the storage mechanism, and the sorting mechanism. The two adsorption components (150) are mounted on the translation frame (140) and are arranged sequentially along the length of the guide rail (130). One adsorption component (150) is used to adsorb the circuit board loading material, and the other adsorption component (150) is used to adsorb the circuit board unloading material.

2. The circuit board open / short circuit detection machine according to claim 1, characterized in that, The adsorption assembly (150) includes a first cylinder (160), a mounting frame (170), and a vacuum nozzle (180). The first cylinder (160) is fixed on the translation frame (140) and is used to drive the mounting frame (170) to rise and fall. The vacuum nozzle (180) is mounted on the mounting frame (170) and is used to vacuum adsorb circuit boards.

3. The circuit board open / short circuit detection machine according to claim 2, characterized in that, The vacuum nozzle (180) includes a vertical rod (190), a suction head (200) located at the bottom end of the vertical rod (190), and a limiting rod cap (210) disposed at the top end of the vertical rod (190). The mounting bracket (170) has a mounting hole for accommodating the vertical rod (190) to rise and fall. The vertical rod (190) is fitted with a first spring (220), the top end of the first spring (220) abuts against the mounting bracket (170), and the bottom end of the first spring (220) abuts against the suction head (200).

4. The circuit board open / short circuit detection machine according to claim 2, characterized in that, The vacuum nozzle (180) is provided in four parts, and the four vacuum nozzles (180) are arranged in a rectangular shape.

5. The circuit board open / short circuit detection machine according to claim 2, characterized in that, The translation frame (140) is provided with a guide seat (230), the guide seat (230) has a guide hole extending vertically, and the mounting frame (170) is provided with a guide rod (240), the guide rod (240) cooperates with the guide hole for guidance.

6. The circuit board open / short circuit detection machine according to claim 5, characterized in that, Each of the mounting brackets (170) is provided with at least two of the guide rods (240), and the guide seats (230) are provided accordingly.

7. The circuit board open / short circuit detection machine according to claim 1, characterized in that, The storage mechanism includes a first lifting seat (250) and a first sensor (260). The first lifting seat (250) is used to support the circuit boards stacked vertically, and the first sensor (260) is used to detect the height of the uppermost circuit board on the first lifting seat (250) to control the first lifting seat (250) to lift the circuit board.

8. The circuit board open / short circuit detection machine according to claim 7, characterized in that, The storage mechanism further includes an alignment component (270), which includes a first alignment plate (280), a second alignment plate (290), a first alignment cylinder (300), and a second alignment cylinder (310). The first alignment plate (280) and the second alignment plate (290) respectively abut and align with the adjacent two sides of the circuit board. The first alignment cylinder (300) cooperates with the first alignment plate (280) to clamp and align the opposite sides of the circuit board. The second alignment cylinder (310) cooperates with the second alignment plate (290) to clamp and align the other opposite sides of the circuit board.

9. The circuit board open / short circuit detection machine according to claim 1, characterized in that, The first hopper (110) includes a second lifting seat (320) and a second sensor (330). The second lifting seat (320) is used to support the circuit board, and the second sensor (330) is used to detect the height of the circuit board at the top of the second lifting seat (320) to control the second lifting seat (320) to lower the circuit board.

10. The circuit board open / short circuit detection machine according to claim 1, characterized in that, The second hopper (120) includes a third lifting seat (340) and a third sensor (350). The third lifting seat (340) is used to support the circuit board, and the third sensor (350) is used to detect the height of the circuit board at the top of the third lifting seat (340) to control the third lifting seat (340) to lower the circuit board.

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