阅读说明：本技术 一种微动开关检测装置 (Microswitch detection device ) 是由 刘兴军 于 2018-05-31 设计创作，主要内容包括：本发明公开了一种微动开关检测装置,包括检测台、显示器和PLC控制器；显示器和PLC控制器电性连接,并设置在检测台的侧壁上；检测管道的一侧设有电源装置；检测台上设有电机和丝杠,丝杠的一端与电机的输出轴相连接；检测台上设有与丝杠配合的检测杆,检测杆的端部设有磁片,磁片位于检测管道内。本发明通过在检测台上设有电机和丝杠及丝杠配合的检测杆,通过PLC控制器控制电机运动,带动丝杠运动,进而带动检测杆运动,对微动开关的灵敏度进行检测,当微动开关的动作簧片的动触点与定触点接通和断开时,显示器上相应的会显示一个闭合位置和断开位置,这样通过显示器可以直观的看到数值,判断合格或不合格,自动化程度高,检测方法简单。(The invention discloses a microswitch detection device, which comprises a detection table, a display and a PLC (programmable logic controller); the display is electrically connected with the PLC and arranged on the side wall of the detection table; a power supply device is arranged on one side of the detection pipeline; the detection table is provided with a motor and a lead screw, and one end of the lead screw is connected with an output shaft of the motor; the detection table is provided with a detection rod matched with the lead screw, and the end part of the detection rod is provided with a magnetic sheet which is positioned in the detection pipeline. According to the invention, the motor, the lead screw and the detection rod matched with the lead screw are arranged on the detection platform, the motion of the motor is controlled by the PLC controller, the lead screw is driven to move, the detection rod is further driven to move, the sensitivity of the micro switch is detected, when the movable contact of the action reed of the micro switch is connected with or disconnected from the fixed contact, a closed position and an open position are correspondingly displayed on the display, so that the numerical value can be visually seen through the display, the qualification or the disqualification can be judged, the automation degree is high, and the detection method is simple.)

1. A microswitch detection device, characterized in that: comprises a detection table, a display and a PLC controller; the display is electrically connected with the PLC and arranged on the side wall of the detection table; the detection platform is provided with a left support frame, a right support frame and a fixing frame which are arranged in rows, the left support frame and the right support frame are respectively provided with a positioning hole, a detection pipeline is arranged between the positioning holes, the upper end of the detection pipeline is provided with a placing platform, the symmetrical side walls of the placing platform are respectively provided with a stop lug, and a positioning shaft is upwards arranged on the stop lug; a power supply device is arranged on one side of the detection pipeline; the detection table is provided with a motor and a lead screw, and one end of the lead screw is connected with an output shaft of the motor; the detection table is provided with a detection rod matched with the lead screw, the diameter of the detection rod is smaller than that of the detection pipeline, and the center of the detection rod and the center of the detection pipeline are on the same straight line; the detection rod is hollow, and the inner surface of the detection rod is provided with threads; the outer surface of the lead screw is provided with threads corresponding to the threads on the inner surface of the detection rod, and the detection rod is sleeved on the outer side of the lead screw and matched with the lead screw to form a threaded telescopic rod structure; the end of the detection rod is provided with a magnetic sheet, the magnetic sheet is positioned in the detection pipeline, and the motor is electrically connected with the PLC.

2. The microswitch detection device of claim 1, wherein: the detection rod is arranged on the fixed frame and fixed.

3. The microswitch detection device of claim 1, wherein: the detection pipeline is in threaded connection with the positioning hole.

4. The microswitch detection device of claim 1, wherein: the left support frame is connected with the detection table through a screw; and adjusting the horizontal distance between the left support frame and the right support frame according to micro switches of different specifications.

5. The microswitch detection device of claim 1, wherein: and a limiting block is arranged on the screw rod.

Technical Field

The invention relates to the field of microswitch detection, in particular to a microswitch detection device.

Background

The microswitch is a switch with micro contact interval and quick-acting mechanism, which uses the specified stroke and force to make switch action, and is covered by a shell, and its exterior has a driving rod.

in order to ensure the product quality of the microswitch, the quality test of the microswitch after production and processing is required, generally, the microswitch is electrically measured manually to judge whether the microswitch is qualified or not, however, the existing microswitch detection device has unreasonable structural design, influences the detection result, has a complex detection method and influences the working efficiency.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides a microswitch detection device.

The technical scheme is as follows:

a microswitch detection device comprises a detection table, a display and a PLC (programmable logic controller); the display is electrically connected with the PLC and arranged on the side wall of the detection table; the detection platform is provided with a left support frame, a right support frame and a fixing frame which are arranged in rows, the left support frame and the right support frame are respectively provided with a positioning hole, a detection pipeline is arranged between the positioning holes, the upper end of the detection pipeline is provided with a placing platform, the symmetrical side walls of the placing platform are respectively provided with a stop lug, and a positioning shaft is upwards arranged on the stop lug; a power supply device is arranged on one side of the detection pipeline; the detection table is provided with a motor and a lead screw, and one end of the lead screw is connected with an output shaft of the motor; the detection table is provided with a detection rod matched with the lead screw, the diameter of the detection rod is smaller than that of the detection pipeline, and the center of the detection rod and the center of the detection pipeline are on the same straight line; the detection rod is hollow, and the inner surface of the detection rod is provided with threads; the outer surface of the lead screw is provided with threads corresponding to the threads on the inner surface of the detection rod, and the detection rod is sleeved on the outer side of the lead screw and matched with the lead screw to form a threaded telescopic rod structure; the end of the detection rod is provided with a magnetic sheet, the magnetic sheet is positioned in the detection pipeline, and the motor is electrically connected with the PLC.

The detection rod is arranged on the fixed frame and fixed.

the detection pipeline is in threaded connection with the positioning hole.

The left support frame is connected with the detection table through a screw; and adjusting the horizontal distance between the left support frame and the right support frame according to micro switches of different specifications.

and a limiting block is arranged on the screw rod.

Compared with the prior art, the invention has the following technical effects: according to the invention, the motor, the lead screw and the detection rod matched with the lead screw are arranged on the detection platform, the magnetic sheet is arranged at the end part of the detection rod, the motion of the motor is controlled by the PLC controller to drive the lead screw to move, so that the detection rod is driven to move, the sensitivity of the microswitch is detected, when the movable contact of the action reed of the microswitch is connected with or disconnected from the fixed contact, a closed position and a disconnected position are correspondingly displayed on the display, so that the numerical value can be visually seen through the display, the qualification or the disqualification can be judged, the automation degree is high, and the detection method is simple.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a side view of the left support of the present invention;

Fig. 4 is a top view of the microswitch of the invention.

The device comprises a detection table 1, a left support frame 2, a right support frame 3, a display 4, a PLC controller 5, a detection pipeline 6, a detection rod 7, a motor 8, a screw rod 9, a limiting block 10, a fixing frame 11, a positioning hole 12, a positioning shaft 13, a placement platform 14, a power supply device 15, a magnetic sheet 16, a microswitch 17, a fixing sheet 18, a circular hole 19 and a stop lug 20.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic structural diagram of the present invention. As shown in fig. 1, the microswitch detection device of the invention comprises a detection table 1, a display 4 and a PLC controller 5; the display 4 is electrically connected with the PLC 5 and is arranged on the side wall of the detection table 1; the detection table 1 is provided with left support frames 2, right support frames 3 and a fixing frame 11 which are arranged in rows, positioning holes 12 are respectively formed in the left support frames 2 and the right support frames 3, detection pipelines 6 are arranged between the positioning holes 12, a placing platform 14 is arranged at the upper end of each detection pipeline 6, stop lugs 20 are respectively arranged on the symmetrical side walls of the placing platform 14, and positioning shafts 13 are upwards arranged on the stop lugs 20; one side of the detection pipeline 6 is provided with a power supply device 15. The detection table 1 is provided with a motor 8 and a lead screw 9, and one end of the lead screw 9 is connected with an output shaft of the motor 8; the detection table 1 is provided with a detection rod 7 matched with the lead screw 9, the diameter of the detection rod 7 is smaller than that of the detection pipeline 6, and the center of the detection rod 7 and the center of the detection pipeline 6 are on the same straight line; the detection rod 7 is hollow, and the inner surface of the detection rod is provided with threads; the outer surface of the lead screw 9 is provided with threads corresponding to the threads on the inner surface of the detection rod 7, and the detection rod 7 is sleeved on the outer side of the lead screw 9 and matched with the lead screw to form a threaded telescopic rod structure; the end of the detection rod 7 is provided with a magnetic sheet 16, the magnetic sheet 16 is positioned in the detection pipeline 6, the detection rod 7 is arranged on the fixing frame 11 and is fixed, and the motor 8 is electrically connected with the PLC controller 5.

In the invention, the detection pipeline 6 is in threaded connection with the positioning hole 12, so that the installation and the disassembly are convenient and the replacement is convenient.

In the invention, the left support frame 2 is connected with the detection table 1 through screws, and the horizontal distance between the left support frame 2 and the right support frame 3 can be conveniently adjusted according to micro switches 17 with different specifications, so that the application range is expanded.

In the invention, in order to ensure the safety of the detection rod 7 and the lead screw 9, a limit block 10 is further arranged on the lead screw 9.

The working principle of the invention is as follows:

Placing a microswitch 17 on the placing platform 14, inserting the positioning shaft 13 into circular holes 19 on fixing sheets 18 at two sides of the microswitch 17, and inserting a power line of the microswitch 17 into a power interface of the power supply device 15; the PLC 5 is used for starting the motor 8 to operate in the forward direction, the motor 8 rotates in the forward direction to drive the detection rod 7 to move forward, a magnetic sheet 16 is arranged at the front end of the detection rod 7, and the original state of the magnetic sheet 16 is located at the end part of the detection pipeline 6 and is marked as an original position; when the detection rod 7 moves to a certain position, the movable contact point and the fixed contact point of the action reed of the microswitch 17 are communicated due to the adsorption effect of the magnetic sheet 16, the motor 8 stops moving, and at the moment, the PLC 5 outputs a pulse equivalent value and displays the pulse equivalent value through the display 4, and the pulse equivalent value is defined as a closed position, namely the closed position is displayed on the display 4;

Then the PLC controller 5 starts the motor 8 to run reversely, the motor 8 rotates reversely to drive the detection rod 7 to move back, after the detection rod 7 moves back to a certain position, because the magnetic force of the magnetic sheet 16 is weakened, the movable contact and the fixed contact of the action reed of the microswitch 17 are disconnected, the motor 8 stops moving, at the moment, the PLC controller 5 outputs a pulse equivalent value and displays the pulse equivalent value through the display 4, the pulse equivalent value is defined as a disconnected position, namely, the disconnected position is displayed on the display 4; when the numerical values of the closed position and the open position are both displayed within 4mm-9.5mm, the detection is qualified, otherwise, the detection is not qualified.

The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.