An automatic test apparatus

Abstract

The utility model discloses an automatic testing device, including base, lift cylinder, fixed base, lift rail, the base is provided respectively lift cylinder, fixed base, lift rail, lift cylinder, lift rail is set respectively vertically, this device sets up fixed base, realizes the iron core of placing the test of waiting, then through setting lift cylinder, lift rail, test head, utilizes lift cylinder and lift rail, realizes the test head of driving and moves down, until test head and presses down fixed iron core, again through the multiple first probe of test head, multiple second probe, realizes respectively to iron core and carries out various test, such as inductance, electric capacity, resistance, impedance, and the whole testing process degree of automation is high, and the testing efficiency is high, practical and reliable.

Description

Technical Field

[0001] This utility model relates to the field of mechanical technology, and in particular to an automatic testing device. Background Technology

[0002] An iron core is a core made of silicon steel sheets or other magnetic materials, mainly used to enhance the strength and stability of a magnetic field. It is usually made of several silicon steel sheets or ferrite sheets stacked together and plays a core role in electromagnetic equipment. After the initial production of existing iron cores, the LCR of the iron core needs to be tested and processed. LCR usually includes inductance, capacitance, resistance and impedance. Due to the influence of its own structure, the existing testing equipment has a low degree of automation, resulting in low testing efficiency and few test items, which is gradually unable to meet the actual production needs. Publication No. CN220367361U discloses a core testing device in the field of core testing technology, comprising: a clamping mechanism, which includes a connecting plate assembly, a fixing plate, a mounting plate assembly, and a moving plate assembly; the fixing plate is disposed at one end of the connecting plate assembly, the mounting plate assembly is disposed at the other end of the connecting plate assembly, and the moving plate assembly is movably connected to the connecting plate assembly; and a first telescopic mechanism, which is disposed on the side wall of the mounting plate assembly, and a connecting shaft is disposed on the telescopic end of the first telescopic mechanism, the connecting shaft being connected to the moving plate assembly. This testing device suffers from unstable core fixation, is prone to defects, and has limited experimental parameters. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide an automatic testing device with a high degree of automation and practicality and reliability.

[0004] To achieve the above objectives, the present invention provides an automatic testing device comprising a base, a lifting cylinder, a fixed seat, and a lifting guide rail. The lifting cylinder, the fixed seat, and the lifting guide rail are respectively mounted on the base. The lifting cylinder and the lifting guide rail are vertically arranged. A lifting seat is slidably connected to the lifting guide rail. The lifting cylinder is downwardly connected to the lifting seat. A test head is provided at the bottom of the lifting seat. The test head and the fixed seat are arranged vertically. The fixed seat is used to place the iron core to be tested. The bottom of the test head is provided with multiple first probes and multiple second probes. The multiple first probes and multiple second probes respectively test and process the iron core on the fixed seat.

[0005] The beneficial effects of this utility model are as follows: It realizes automatic testing of iron cores. The device sets up a fixed base to place the iron core to be tested, and then sets up a lifting cylinder, a lifting guide rail, and a test head. The lifting cylinder and the lifting guide rail drive the test head to move down until the test head presses down and fixes the iron core. Then, through multiple first probes and multiple second probes of the test head, various tests such as inductance, capacitance, resistance, and impedance are performed on the iron core. The whole testing process has a high degree of automation, high testing efficiency, and is practical and reliable.

[0006] Furthermore, two first supports are provided in the center of the front of the base, the two first supports are arranged vertically at intervals, and the two first supports are connected together to fix the lifting cylinder.

[0007] Furthermore, the piston rod of the lifting cylinder is connected downward to a connecting seat, the test head is provided at the bottom of the connecting seat, and the connecting seat is connected to the lifting seat.

[0008] Furthermore, a base plate is provided on the bottom side of the front of the base, and the fixing seat is provided on the base plate.

[0009] Furthermore, the top of the fixing base has a fixing groove for placing the iron core.

[0010] Furthermore, a positioning block is provided within the fixing groove, which supports the inner wall of the iron core to restrict its movement. With the above structure, this invention can restrict the iron core's forward, backward, left, and right movements.

[0011] Furthermore, multiple first probes are arranged in a ring at intervals, and multiple second probes are arranged in a ring at intervals, with the multiple second probes respectively disposed around the periphery of the multiple first probes.

[0012] Furthermore, the top of the positioning block has multiple first positioning holes, which are arranged in a ring at intervals. Multiple first probes are inserted downwards into each of the multiple first positioning holes, corresponding to each other. With this structure, the present invention achieves precise positioning of the first probes, facilitating subsequent testing of the iron core.

[0013] Furthermore, the top of the fixing base has multiple second positioning holes, which are arranged in a ring at intervals. Multiple second probes are inserted downwards into each of these second positioning holes. This invention, by employing the above structure, achieves precise positioning of the second probes, facilitating subsequent testing of the iron core.

[0014] Furthermore, the test head has multiple connection slots on its top, which are distributed sequentially around the center point of the test head. One end of each connection slot is connected to the top of the first probe, and the other end of each connection slot is connected to the top of the second probe.

[0015] Furthermore, the base has multiple buttons on its front side. Attached Figure Description

[0016] Figure 1 The overall three-dimensional structure of this utility model Figure 1 .

[0017] Figure 2 The overall three-dimensional structure of this utility model Figure 2 .

[0018] Figure 3 This is a front view of the present invention.

[0019] Figure 4 The test head and fixing base of this utility model are three-dimensional. Figure 1 .

[0020] Figure 5 The test head and fixing base of this utility model are three-dimensional. Figure 2 .

[0021] Wherein, 1 is the base, 11 is the first bracket, 12 is the base plate, 13 is the button, 21 is the lifting cylinder, 22 is the connecting seat, 23 is the lifting guide rail, 231 is the lifting seat, 24 is the test head, 241 is the first probe, 242 is the second probe, 243 is the connecting groove, 3 is the fixing seat, 31 is the fixing groove, 32 is the second positioning hole, 33 is the positioning block, and 331 is the first positioning hole. Detailed Implementation

[0022] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the protection scope of this utility model.

[0023] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and 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, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0024] See appendix Figure 1 To be continued Figure 5As shown, an automatic testing device includes a base 1, a lifting cylinder 21, a fixed seat 3, and a lifting guide rail 23. The lifting cylinder 21, the fixed seat 3, and the lifting guide rail 23 are respectively arranged on the base 1. The lifting cylinder 21 and the lifting guide rail 23 are respectively arranged vertically. A lifting seat 231 is slidably connected to the lifting guide rail 23. The lifting cylinder 21 is connected downward to the lifting seat 231. A test head 24 is arranged at the bottom of the lifting seat 231. The test head 24 and the fixed seat 3 are arranged vertically. The fixed seat 3 is used to place the iron core to be tested. The bottom of the test head 24 is provided with multiple first probes 241 and multiple second probes 242. The multiple first probes 241 and multiple second probes 242 respectively test and process the iron core on the fixed seat 3. Among them, the multiple first probes 241 are arranged in a ring with intervals, and the multiple second probes 242 are arranged in a ring with intervals, with the multiple second probes 242 respectively arranged around the multiple first probes 241.

[0025] In this embodiment, two first supports 11 are provided in the center of the front of the base 1. The two first supports 11 are arranged vertically at intervals, and the two first supports 11 are connected to and fixed to the lifting cylinder 21.

[0026] In this embodiment, the piston rod of the lifting cylinder 21 is connected downward to a connecting seat 22, a test head 24 is provided at the bottom of the connecting seat 22, and the connecting seat 22 is connected to the lifting seat 231.

[0027] In this embodiment, a base plate 12 is provided on the bottom side of the front of the base 1, and a fixing seat 3 is provided on the base plate 12.

[0028] In this embodiment, the top of the fixing base 3 has a fixing groove 31 for placing the iron core; a positioning block 33 is provided in the fixing groove 31 for supporting the inner side wall of the iron core to restrict the movement of the iron core; the top of the positioning block 33 has a plurality of first positioning holes 331, which are arranged in a ring at intervals, and a plurality of first probes 241 are inserted downward into the plurality of first positioning holes 331 respectively.

[0029] In this embodiment, the top of the fixing base 3 has a plurality of second positioning holes 32, which are arranged in a ring at intervals. The plurality of second probes 242 are inserted downward into the plurality of second positioning holes 32 respectively.

[0030] In this embodiment, the top of the test head 24 has a plurality of connection slots 243, which are distributed sequentially around the center point of the test head 24. One end of the connection slot 243 is connected to the top of a first probe 241, and the other end of the connection slot 243 is connected to the top of a second probe 242.

[0031] In this embodiment, the base 1 has multiple buttons 13 on its front side.

[0032] In this embodiment, the specific testing process is as follows: the iron core to be tested is placed in the fixing groove 31, and the positioning block 33 supports the inner side wall of the iron core. Then, the corresponding button 13 is pressed to start the testing device of this embodiment. Then, the lifting cylinder 21 is started, and the piston rod of the lifting cylinder 21 extends to push the connecting seat 22, the lifting seat 231, and the test head 24 to move down until the multiple first probes 241 of the test head 24 are inserted into the multiple first positioning holes 331 one by one, and the multiple second probes 242 are inserted into the multiple second positioning holes 32 one by one, and the test head 24 presses down to fix the iron core.

[0033] After the iron core is pressed in place, it communicates with the testing software via the Modbus protocol to notify the software that it is ready. The software then notifies the LCR tester to start testing the iron core via the GPIB protocol. After the iron core test is completed, the test data is returned to the software, which saves the data to the computer's hard drive. This software is independently developed using LabVIEW. The entire testing system can automatically test the inductance, capacitance, resistance, and impedance of the iron core, automatically determine whether the iron core is qualified, and automatically record the iron core test data.

[0034] The embodiments described above are merely preferred embodiments of this utility model and are not intended to limit the utility model in any way. Any person skilled in the art can make more possible variations and modifications to the technical solution of this utility model, or modify it into equivalent embodiments, without departing from the scope of the technical solution of this utility model. Therefore, all equivalent changes made based on the concept of this utility model without departing from the content of the technical solution of this utility model should be covered within the protection scope of this utility model.

Claims

1. An automatic testing device, comprising a base (1), a lifting cylinder (21), a fixed seat (3), and a lifting guide rail (23), characterized in that: The base (1) is provided with the lifting cylinder (21), the fixed seat (3) and the lifting guide rail (23). The lifting cylinder (21) and the lifting guide rail (23) are respectively arranged vertically. The lifting seat (231) is slidably connected to the lifting guide rail (23). The lifting cylinder (21) is connected downward to the lifting seat (231). The bottom of the lifting seat (231) is provided with a test head (24). The test head (24) and the fixed seat (3) are arranged vertically. The fixed seat (3) is used to place the iron core to be tested. The bottom of the test head (24) is provided with multiple first probes (241) and multiple second probes (242). The multiple first probes (241) and multiple second probes (242) respectively test and process the iron core on the fixed seat (3).

2. The automatic testing device according to claim 1, characterized in that: Two first supports (11) are provided in the middle of the front of the base (1). The two first supports (11) are arranged vertically at intervals, and the two first supports (11) are connected together to fix the lifting cylinder (21).

3. The automatic testing device according to claim 1, characterized in that: The piston rod of the lifting cylinder (21) is connected downward to a connecting seat (22), the test head (24) is provided at the bottom of the connecting seat (22), and the connecting seat (22) is connected to the lifting seat (231).

4. The automatic testing device according to claim 1, characterized in that: The base (1) has a base plate (12) on its front bottom side, and the fixing seat (3) is provided on the base plate (12).

5. An automatic testing device according to claim 1, characterized in that: The top of the fixing seat (3) has a fixing groove (31) for placing the iron core.

6. An automatic testing device according to claim 5, characterized in that: A positioning block (33) is provided in the fixing groove (31), and the positioning block (33) is used to support the inner side wall of the iron core to restrict the movement of the iron core.

7. An automatic testing device according to claim 6, characterized in that: The top of the positioning block (33) has multiple first positioning holes (331), which are arranged in a ring at intervals. The multiple first probes (241) are inserted into the multiple first positioning holes (331) one by one.

8. An automatic testing device according to claim 1, characterized in that: The top of the fixed base (3) has multiple second positioning holes (32), which are arranged in a ring at intervals. The multiple second probes (242) are inserted into the multiple second positioning holes (32) one by one.

9. An automatic testing device according to claim 1, characterized in that: The test head (24) has multiple connection slots (243) on its top. The multiple connection slots (243) are distributed around the center point of the test head (24). One end of the connection slot (243) is connected to the top of the first probe (241), and the other end of the connection slot (243) is connected to the top of the second probe (242).

10. An automatic testing device according to claim 1, characterized in that: The base (1) has multiple buttons (13) on its front side.

Images