Automatic FCT test equipment

Abstract

The utility model discloses an automatic FCT test device which comprises a supporting shell, the supporting shell is connected with an FCT test piece used for PCB detection, the FCT test piece comprises a motor installed on the supporting shell, the output end of the motor is connected with a conveying belt assembly, the top of the supporting shell is provided with an air cylinder assembly, and the extension end of the bottom of the air cylinder assembly is provided with a needle seat; the cleaning piece is installed at the left end of the upper side of the supporting shell and used for cleaning a PCB, the cleaning piece comprises a belt pulley assembly, the inclined upper side of the belt pulley assembly is connected with a connecting shaft, and the connecting shaft is coaxially and fixedly connected with a cleaning roller. According to the automatic FCT testing equipment, the motor, the conveying belt assembly, the belt pulley assembly, the cleaning roller, the connecting shaft, the air exhaust shell, the filter plate, the scraper, the recovery box and the air exhaust pump are matched with one another, and while PCBs are conveyed, the PCBs are cleaned and fallen impurities are recovered before being detected.

Description

Technical Field

[0001] The utility model relates to the technical field of FCT testing, in particular to automatic FCT testing equipment. Background Art

[0002] FCT test refers to a test method that provides a simulated operating environment for a PCB board so that it works in various states, thereby obtaining state parameters to judge the quality of the PCB board. For this purpose, a corresponding sub-multifunctional FCT test device is required to test the PCB board. An automatic FCT test device with reference to announcement number CN219533331U includes a cabinet, on which a feed port and a discharge port are provided. The device is characterized in that it also includes a control module arranged in the cabinet, and an adjustable conveying mechanism arranged on the cabinet and corresponding to the positions of the feed port and the discharge port, thereby avoiding the steps of manual intervention, reducing labor intensity, and automating the assembly line detection to improve the efficiency of the test. As described in the above patent, when the existing automatic FCT test equipment is used, most of them fail to clean and recycle the impurities attached to the surface of the PCB board before detection, which affects the accuracy of subsequent FCT detection and increases the subsequent cleaning steps. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides an automatic FCT testing device, which solves the problem that the device fails to clean the PCB board before testing, affecting the testing accuracy, and the like.

[0004] To achieve the above objectives, the utility model is implemented through the following technical solutions: an automatic FCT test device, including a support shell, the support shell is connected to an FCT test piece for PCB board detection, and the FCT test piece includes:

[0005] A motor is mounted on the support shell, wherein the output end of the motor is connected to a conveyor belt assembly connected to the support shell, a cylinder assembly is mounted on the top of the support shell, and a needle seat is mounted on the bottom extension end of the cylinder assembly;

[0006] A cleaning member is installed at the left end of the upper side of the support shell for cleaning the PCB board, the cleaning member includes a pulley assembly connected to the active conveying roller in the conveyor belt assembly, the pulley assembly is connected to a connecting shaft rotatably connected to the support shell at the oblique upper side, the connecting shaft is coaxially fixedly connected to a cleaning roller near the upper end of the conveyor belt assembly, an exhaust shell is installed on the upper side of the support shell near the rear side of the cleaning roller, a filter plate is installed on the front side of the exhaust shell, a scraper fitted with the filter plate is installed on the rear side of the connecting shaft, a recovery box is placed on the support shell near the lower side of the filter plate, and an exhaust pump whose exhaust end is connected to the exhaust shell is installed on the rear side of the support shell;

[0007] The adjusting part is installed on the supporting shell and is used to limit and position the PCB board.

[0008] Preferably, the motor output end is coaxially fixedly connected to the active conveying roller in the conveyor belt assembly, the active pulley in the pulley assembly is coaxially fixedly connected to the active conveying roller, and the driven pulley in the pulley assembly is coaxially fixedly connected to the connecting shaft.

[0009] Preferably, the surface of the cleaning roller is provided with a plurality of bristles, the surface of the filter plate is provided with a plurality of ventilation filter holes, and the scraper is located at the upper side of the opening of the recovery box.

[0010] Preferably, the adjusting member includes an electric slide rail connected to the right end of the upper side of the supporting shell, the electric slide rail is slidably connected with a baffle near the upper side of the conveyor belt assembly, the supporting shell is connected with a limit member for positioning the PCB board, the limit member includes a dual-axis motor fixedly connected to the supporting shell, both side output ends of the dual-axis motor are coaxially fixedly connected with screws, the screws are threadedly connected to a movable frame slidably connected to the supporting shell, and the movable frame is fixedly connected with a limit plate near the upper end of the conveyor belt assembly.

[0011] Preferably, the screw is fixedly connected with a stopper away from the end of the dual-axis motor, the upper side of the stopper is located at the lower end of the two sets of limit plates, torque sensors are installed in the output shafts on both sides of the dual-axis motor, and the surface of the limit plate is covered with a soft sponge.

[0012] Preferably, the motor, the vacuum pump and the needle seat are all electrically connected to an external controller, and the motor is a servo motor.

[0013] Beneficial Effects

[0014] The utility model provides an automatic FCT test device. Compared with the prior art, it has the following beneficial effects:

[0015] (1) The automatic FCT test equipment sets a cleaning part in the device, so that the motor, conveyor belt assembly, pulley assembly, cleaning roller, connecting shaft, vacuum shell, filter plate, scraper, recovery box, and vacuum pump cooperate with each other, and while conveying the PCB board, the PCB board is cleaned and the impurities removed are recovered before the PCB board is tested, thereby reducing the impact of impurities attached to the PCB board on subsequent testing, reducing subsequent cleaning steps, and improving test accuracy.

[0016] (2) The automatic FCT test equipment sets an adjustment part in the device, and the electric slide rail adjusts the position of the baffle bar, so that the baffle bar limits the PCB board of corresponding size, so that the PCB board of this size is aligned with the lower end of the needle seat. After the PCB board is limited, the dual-axis motor, screw rod, moving frame, and limit plate cooperate with each other to perform positioning operations on the PCB board, which is helpful for subsequent FCT test operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1It is a cutaway stereogram of the utility model;

[0018] Figure 2 For this utility model Figure 1 A partial enlarged view of the middle A;

[0019] Figure 3 It is an enlarged view of the limiting member of the utility model;

[0020] Figure 4 It is a three-dimensional diagram of the utility model.

[0021] In the figure: 1. support shell; 2. motor; 3. conveyor belt assembly; 4. cleaning part; 41. pulley assembly; 42. cleaning roller; 43. connecting shaft; 44. vacuum shell; 45. filter plate; 46. scraper; 47. recovery box; 48. vacuum pump; 5. cylinder assembly; 6. needle seat; 7. adjustment part; 71. electric slide rail; 72. limit part; 721. dual-axis motor; 722. screw; 723. movable frame; 724. limit plate; 73. baffle. DETAILED DESCRIPTION

[0022] 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.

[0023] like Figure 1-4 The first embodiment shown: an automatic FCT test device, comprising a support shell 1, the support shell 1 is connected to an FCT test piece for PCB board detection, the FCT test piece comprises: a motor 2, mounted on the support shell 1, the output end of the motor 2 is connected to a conveyor belt assembly 3 connected to the support shell 1, a cylinder assembly 5 is mounted on the top of the support shell 1, and a needle seat 6 is mounted on the bottom extension end of the cylinder assembly 5;

[0024] A cleaning member 4 is installed at the left end of the upper side of the support shell 1 for cleaning the PCB board. The cleaning member 4 includes a pulley assembly 41 connected to the active conveying roller in the conveyor belt assembly 3. A connecting shaft 43 rotatably connected to the support shell 1 is connected to the upper side of the pulley assembly 41. A cleaning roller 42 is coaxially fixedly connected to the connecting shaft 43 near the upper end of the conveyor belt assembly 3. An exhaust shell 44 is installed on the upper side of the support shell 1 near the rear side of the cleaning roller 42. A filter plate 45 is installed on the front side of the exhaust shell 44. A scraper 46 that fits the filter plate 45 is installed on the rear side of the connecting shaft 43. A recovery box 47 is placed on the lower side of the support shell 1 near the filter plate 45. An exhaust pump 48 connected to the exhaust shell 44 at its exhaust end is installed on the rear side of the support shell 1.

[0025] The adjusting member 7 is installed on the supporting shell 1 for limiting and positioning the PCB board; the output end of the motor 2 is coaxially fixedly connected with the active conveying roller in the conveyor belt assembly 3, the active pulley in the pulley assembly 41 is coaxially fixedly connected with the active conveying roller, and the driven pulley in the pulley assembly 41 is coaxially fixedly connected with the connecting shaft 43; the surface of the cleaning roller 42 is provided with a number of bristles, the surface of the filter plate 45 is provided with a number of ventilation filter holes, and the scraper 46 is located on the upper side of the opening of the recovery box 47; the motor 2, the vacuum pump 48, and the needle seat 6 are all electrically connected to the external controller, and the motor 2 is a servo motor; the motor 2, the conveyor belt assembly 3, the pulley assembly 41, the cleaning roller 42, the connecting shaft 43, the vacuum shell 44, the filter plate 45, the scraper 46, the recovery box 47, and the vacuum pump 48 cooperate with each other to transport the PCB board, and clean and recover the impurities before the PCB board is tested, which reduces the impact on subsequent tests and reduces subsequent cleaning steps, thereby improving test accuracy;

[0026] like Figure 1-3 The second embodiment shown is mainly different from the first embodiment in that:

[0027] The adjusting member 7 includes an electric slide rail 71 connected to the right end of the upper side of the supporting shell 1, the electric slide rail 71 is slidably connected to a stop bar 73 near the upper side of the conveyor belt assembly 3, the supporting shell 1 is connected to a limiter 72 for positioning the PCB board, the limiter 72 includes a double-axis motor 721 fixedly connected to the supporting shell 1, both sides of the output end of the double-axis motor 721 are coaxially fixedly connected to a screw 722, the screw 722 is threadedly connected to a moving frame 723 slidably connected to the supporting shell 1, and the moving frame 723 is fixedly connected to a limiting plate 724 near the upper end of the conveyor belt assembly 3;

[0028] The screw rod 722 is fixedly connected with a stopper at the end away from the dual-axis motor 721. The upper side of the stop bar 73 is located at the lower end of two sets of limit plates 724. Torque sensors are installed in the output shafts on both sides of the dual-axis motor 721. The surface of the limit plate 724 is covered with a soft sponge. The electric slide rail 71 adjusts the position of the stop bar 73 to allow the stop bar 73 to limit the PCB board of corresponding size. After the PCB board is limited, the dual-axis motor 721, the screw rod 722, the moving frame 723, and the limit plate 724 cooperate with each other to position the PCB board, which is helpful for subsequent FCT test operations.

[0029] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited, and conventional equipment can be used.

[0030] When in use, the user starts the motor 2 and the vacuum pump 48, the motor 2 drives the conveyor belt assembly 3 to operate, the conveyor belt assembly 3 drives the cleaning roller 42 and the scraper 46 to rotate through the pulley assembly 41 and the connecting shaft 43, the vacuum pump 48 exhausts air from the end of the cleaning roller 42 through the vacuum shell 44 and the filter plate 45, the PCB board to be tested is placed on the upper left end of the conveyor belt assembly 3, the conveyor belt assembly 3 conveys the PCB board, when the PCB board passes through the cleaning roller 42, the bristles on the surface of the cleaning roller 42 are rotated to clean the PCB board, and the impurities dropped from the PCB board due to cleaning move toward the vacuum shell 44 with the air flow and fall into the recovery box 47;

[0031] The filter plate 45 in the vacuum shell 44 filters impurities. Under the action of the scraper 46, impurities attached to the outer end of the filter plate 45 fall off. When the PCB board moves to the lower side of the needle seat 6, the blocking bar 73 blocks the PCB board. At this time, the motor 2 is turned off and the double-axis motor 721 is started. The double-axis motor 721 drives the two sets of moving frames 723 and the limit plates 724 to move toward the two sides of the PCB board through the screw 722. After the limit plates 724 have clamped the two sides of the PCB board, the double-axis motor 721 is turned off, and the cylinder assembly 5 adjusts the height of the needle seat 6 so that the needle seat 6 is plugged into the upper end of the PCB board. The external controller is started, and the external controller performs FCT test on the PCB board through the needle seat 6. This is a prior art, and the specific working principles of the controller and the needle seat 6 are not repeated here.

[0032] 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.

[0033] 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. An automatic FCT test device, comprising a support shell (1), characterized in that: The support shell (1) is connected to an FCT test piece for PCB board testing, and the FCT test piece comprises: A motor (2) is mounted on the support shell (1); the output end of the motor (2) is connected to a conveyor belt assembly (3) connected to the support shell (1); a cylinder assembly (5) is mounted on the top of the support shell (1); a needle seat (6) is mounted on the bottom extension end of the cylinder assembly (5); A cleaning member (4) is mounted on the left upper end of the support shell (1) for cleaning the PCB board. The cleaning member (4) comprises a pulley assembly (41) connected to the active conveying roller in the conveyor belt assembly (3). The pulley assembly (41) is connected to a connecting shaft (43) rotatably connected to the support shell (1) on the oblique upper side. The connecting shaft (43) is coaxially fixedly connected to a cleaning roller (42) near the upper end of the conveyor belt assembly (3). An exhaust shell (44) is mounted on the upper side of the support shell (1) near the rear side of the cleaning roller (42). A filter plate (45) is mounted on the front side of the exhaust shell (44). A scraper (46) fitted with the filter plate (45) is mounted on the rear side of the connecting shaft (43). A recovery box (47) is placed on the support shell (1) near the lower side of the filter plate (45). An exhaust pump (48) whose exhaust end is connected to the exhaust shell (44) is mounted on the rear side of the support shell (1). The adjusting member (7) is mounted on the supporting shell (1) and is used for limiting and positioning the PCB board.

2. An automatic FCT test device according to claim 1, characterized in that: The output end of the motor (2) is coaxially fixedly connected to the active conveying roller in the conveyor belt assembly (3), the active pulley in the pulley assembly (41) is coaxially fixedly connected to the active conveying roller, and the driven pulley in the pulley assembly (41) is coaxially fixedly connected to the connecting shaft (43).

3. An automatic FCT test device according to claim 1, characterized in that: The surface of the cleaning roller (42) is provided with a plurality of bristles, the surface of the filter plate (45) is provided with a plurality of ventilation filter holes, and the scraper (46) is located on the upper side of the opening of the recovery box (47).

4. The automatic FCT test equipment according to claim 1, characterized in that: The adjusting member (7) comprises an electric slide rail (71) connected to the right end of the upper side of the supporting shell (1); the electric slide rail (71) is slidably connected to a stop bar (73) near the upper side of the conveyor belt assembly (3); the supporting shell (1) is connected to a limit member (72) for positioning the PCB board; the limit member (72) comprises a double-axis motor (721) fixedly connected to the supporting shell (1); both output ends of the double-axis motor (721) are coaxially fixedly connected to screw rods (722); the screw rods (722) are threadedly connected to a moving frame (723) slidably connected to the supporting shell (1); the moving frame (723) is fixedly connected to a limit plate (724) near the upper end of the conveyor belt assembly (3).

5. An automatic FCT test device according to claim 4, characterized in that: The end of the screw rod (722) away from the dual-axis motor (721) is fixedly connected with a stopper, the upper side of the stop bar (73) is located at the lower end of the two sets of limit plates (724), torque sensors are installed in the output shafts on both sides of the dual-axis motor (721), and the surface of the limit plate (724) is covered with a soft sponge.

6. An automatic FCT test device according to claim 1, characterized in that: The motor (2), the vacuum pump (48) and the needle seat (6) are all electrically connected to an external controller, and the motor (2) is a servo motor.

Images