CN220290094U - Programmable controller detection clamp - Google Patents

Abstract

The utility model discloses a programmable controller detection clamp, which comprises: the device comprises a thimble, an upper clamp, a moving device, a stand and a test control system; the thimble is arranged on the bottom surface of the upper clamp, the end part of the upper clamp is provided with the moving device, the moving device is arranged on the machine base, and the test control system is arranged inside the machine base. The programmable controller detection clamp can realize the rapid detection of the I/O interface of the programmable controller, thereby improving the detection efficiency and even the production efficiency of the programmable controller.

Description

Programmable controller detection clamp

Technical Field

The utility model relates to the field of programmable controllers, in particular to a programmable controller detection clamp.

Background

The programmable controller is called PLC for short, is an electronic system operated by digital operation, and is specially designed for application in industrial environment. At present, the PLC is widely applied to automatic control of various production machines and production processes, and becomes an important and popular industrial control device with a plurality of application occasions. Under the background that the PLC has huge demand, the requirement on the production efficiency is also continuously improved. In the process from production to use of the PLC, it is required to detect whether the I/O interface is able to work normally, etc. At present, the detection of the I/O interface of the PLC mainly adopts a manual single wiring measurement mode, so that the production efficiency is greatly improved, and misoperation is possible.

Therefore, a programmable controller detection fixture capable of rapidly completing the connection with the measured point of the PLC is needed, and the production efficiency of the PLC and the accuracy of the detection of the I/O interface of the PLC are improved.

Disclosure of Invention

The utility model aims to provide a programmable controller detection clamp which solves the problems of improving the production efficiency of a programmable controller and the accuracy of detecting an I/O interface of the programmable controller in the prior art.

In order to solve the above technical problems, the present utility model provides a programmable controller detection fixture, including: the device comprises a thimble, an upper clamp, a moving device, a stand and a test control system;

the thimble is arranged on the bottom surface of the upper clamp; the upper clamp is arranged on the moving device, and the moving device is arranged on the base; a test control system is arranged in the machine base; the test control system is in signal connection with the thimble;

the moving device, the upper clamp and the ejector pin can move relatively, so that the upper clamp and the ejector pin are close to or far away from the surface of the base.

Further, the relative movement distance of the upper clamp on the moving device is fixed.

Further, the thimble adopts elasticity telescopic structure.

Further, the top end of the thimble is provided with a metal contact.

Further, an operating handle is arranged at the top end of the upper clamp.

Further, the test control system also comprises an indicator lamp, wherein the indicator lamp is arranged on the stand and is connected with the test control system.

Further, the positions and the number of the ejector pins correspond to the positions and the number of the I/O interfaces of the tested PLC.

Further, a positioning device for positioning the tested PLC is arranged on the base.

Further, the test control system also comprises an operation button, wherein the operation button is arranged on the base and is connected with the test control system.

Further, the moving device comprises a guide rail and a sliding bearing, wherein the sliding bearing is sleeved on the guide rail, and the upper clamp is installed on the sliding bearing.

Compared with the prior art, the utility model has at least the following beneficial effects:

the utility model provides a programmable controller detects anchor clamps is equipped with mobile device, goes up anchor clamps and can reciprocate vertically, and the thimble of going up anchor clamps and the IO point position terminal of tested PLC can once only be contacted well, and the thimble communicates with test control system simultaneously, can realize the short-term test to programmable controller's I/O interface to can improve programmable controller's detection efficiency even production efficiency.

Further, the movable distance of the upper clamp on the guide rail is fixed, the ejector pin adopts an elastic telescopic structure, products can be protected, impact damage to the products in the detected process is avoided, meanwhile, the ejector pin adopts the elastic telescopic structure, the ejector pin can be better contacted with an I/O point of the detected programmable controller, and the detection accuracy is improved.

Further, the indication lamp and the operation button are arranged on the base, so that a technician can conveniently operate and observe a detection result.

Drawings

FIG. 1 is a schematic diagram of a programmable controller inspection jig according to an embodiment of the utility model;

FIG. 2 is a cross-sectional view of a programmable controller inspection jig according to an embodiment of the utility model.

Detailed Description

A programmable controller inspection jig of the present utility model will be described in more detail below with reference to the drawings, in which preferred embodiments of the utility model are shown, it being understood that one skilled in the art could modify the utility model described herein while still achieving the advantageous effects of the utility model. Accordingly, the following description is to be construed as broadly known to those skilled in the art and not as limiting the utility model.

The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. The advantages and features of the present utility model will become more apparent from the following description. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.

The utility model provides a programmable controller detection clamp, please refer to fig. 1 and 2, the programmable controller detection clamp includes: ejector pins 101, upper fixture 100, moving device, chassis 300, and test control system (not shown).

Specifically, the moving device includes a guide rail 200 and a sliding bearing 102. The moving means may also be other arrangements, such as a cam mechanism or the like, which may be chosen by the person skilled in the art. The following embodiments will be described by taking the guide rail 200 and the slide bearing 102 as examples.

Specifically, the ejector pin 101 is disposed on the bottom surface of the upper fixture 100, the sliding bearing 102 is disposed at the end of the upper fixture 100, the sliding bearing 102 is connected with the guide rail 200, the guide rail 200 is mounted on the stand 300, and a test control system is disposed inside the stand 300.

Specifically, the ejector pin 101 has a metal contact, which may be silver or other materials, such as copper, and so on, and may be selected by those skilled in the art according to actual needs.

Specifically, the positions and the number of the ejector pins 101 correspond to the positions and the number of the I/O interfaces of the PLC to be tested.

Preferably, the number of the guide rails 200 is 2, and the number of the sliding bearings is 2. In practical application, the number of the guide rails can be adjusted correspondingly according to the different factors such as the size of the programmable controller, and can also be 1, 3, 4 and the like, and the number of the sliding bearings can be adjusted correspondingly according to the number of the guide rails, so that the sliding bearings can be selected by a person skilled in the art.

The ejector pins 101 and the test control system may communicate via data lines, or may be selected by one skilled in the art by other means, such as a wireless network.

The upper clamp 100 can vertically move on the guide rail 200 through the sliding bearing 102, the thimble 101 of the upper clamp 100 can be in good contact with an IO point position terminal of a tested PLC at one time, meanwhile, the thimble 101 is communicated with a test control system, and the quick detection of an I/O interface of a programmable controller can be realized, so that the detection efficiency and even the production efficiency of the programmable controller can be improved.

The thimble 101 has a conductive metal contact, the thimble 101 corresponds to an I/O point of the tested programmable controller, and when the upper clamp 100 moves vertically downwards, the metal contact of the thimble 101 contacts with the I/O point of the tested programmable controller, so as to detect the working state of the I/O point of the programmable controller.

In one embodiment, referring to fig. 1, the movable distance of the upper fixture 100 on the guide rail 200 is fixed. The upper fixture 100 can only vertically move within a limited range, so that the working distance of the upper fixture can be controlled, the efficiency of detecting the I/O interface of the programmable controller is further controlled, and the detection efficiency and the production efficiency are improved. In addition, by fixing the movable range of the upper fixture 100, the occurrence of damage to the tested product due to impact to the tested product during the testing operation can be effectively avoided.

In one embodiment, the ejector pin 101 is configured to be elastically retractable. By adopting the elastic telescopic structure for the thimble 101, the thimble 101 can better contact with the I/O point of the programmable controller, the detection accuracy of the I/O point of the programmable controller is improved, and the condition that the detected product is impacted in the detection work so as to damage the detected product can be effectively avoided.

With continued reference to fig. 1, in a specific embodiment, the top end of the upper fixture 100 is provided with an operating handle 103. The vertical movement of the upper fixture 100 can be controlled by the operating handle 103, so that the operation of the programmable controller detection fixture of the embodiment is more convenient, and the detection efficiency of the programmable controller is improved.

In addition, the operation handle 103 is configured to move the upper fixture 100 up and down when the workpiece is assembled and disassembled, so that the workpiece can be assembled and disassembled more conveniently and easily.

In a specific embodiment, referring to fig. 2, the stand 300 is provided with a positioning device 303.

The positioning device 303 fixes the tested programmable controller at a corresponding position, so that the thimble 101 can be ensured to accurately correspond to the I/O interface point position of the tested programmable controller, and the detection accuracy of the tested programmable controller is ensured. In addition, the positioning device 303 can also increase the speed of placing the tested product on the stand 300, thereby increasing the speed of testing the tested programmable controller.

With continued reference to fig. 2, in one particular embodiment, an indicator light 301 is also included.

Specifically, the indicator lamp 301 is disposed on the stand 300 and is connected to the test control system.

Specifically, an operation button 302 is also included. The operation button 302 is disposed on the stand and connected to the test control system. .

By arranging the indicator lamp 301, the detection result of the fixture on the I/O interface can be detected by the programmable controller in the embodiment in a visual and clear manner, and the detection efficiency is improved.

In this embodiment, the operation button 302 may control the programmable controller to detect that the clamp performs different functions, such as switching power supply, controlling the lifting of the upper clamp 100, etc., according to different practical application scenarios, which can be set by a person skilled in the art.

In this embodiment, the indicator 301 and the operation button 302 may be connected to a test control system inside the stand 300. The test control system is started through the operation button 302, and when the upper clamp 100 descends to enable the metal contact of the thimble 101 to touch the I/O interface of the tested programmable controller, the test control system controls the indicator lamp 301 to be on so as to show the detection result.

In this embodiment, other elements, such as a buzzer, may be further disposed on the stand 300, and for this purpose, those skilled in the art may select the device according to the actual needs.

In summary, according to the programmable controller detection clamp disclosed by the utility model, the upper clamp is controlled to move up and down along the vertical direction by the moving device, the ejector pins are arranged at the bottom of the upper clamp, the positions and the number of the ejector pins correspond to those of the I/O interfaces of the tested PLC, the ejector pins are provided with the metal contacts, and when the upper clamp moves vertically downwards, the metal contacts of the ejector pins can be quickly connected with the I/O points of the tested programmable controller at one time and are in good contact with the I/O points of the tested programmable controller, so that misoperation during manual detection is reduced. In addition, the test control system is arranged in the machine base of the programmable controller detection clamp, the ejector pin is communicated with the test control system, the working state of the I/O point position of the programmable controller can be detected, the quick detection of the I/O interface of the programmable controller is realized, and therefore the detection efficiency and even the production efficiency of the programmable controller can be improved.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (10)

1. A programmable controller inspection jig, comprising: the device comprises a thimble, an upper clamp, a moving device, a stand and a test control system;

the thimble is arranged on the bottom surface of the upper clamp; the upper clamp is arranged on the moving device, and the moving device is arranged on the base; a test control system is arranged in the machine base; the test control system is in signal connection with the thimble;

the moving device, the upper clamp and the ejector pin can move relatively, so that the upper clamp and the ejector pin are close to or far away from the surface of the base.

2. The programmable controller inspection jig of claim 1, wherein the upper jig has a fixed relative distance of movement on the moving device.

3. The programmable controller inspection jig of claim 1, wherein the ejector pins are of a resiliently telescoping construction.

4. The programmable controller test fixture of claim 1, wherein the top end of the thimble has a metal contact.

5. The programmable controller inspection jig of claim 1, wherein the upper jig top end is provided with an operating handle.

6. The programmable controller inspection fixture of claim 1, further comprising an indicator light disposed on said housing and coupled to said test control system.

7. The programmable controller test fixture of claim 1, wherein the locations and numbers of pins correspond to the locations and numbers of I/O interfaces of the PLC under test.

8. The programmable controller testing fixture of claim 1, wherein the housing is provided with a positioning device for positioning the PLC under test.

9. The programmable controller inspection fixture of claim 1, further comprising an operating button disposed on said housing and coupled to said test control system.

10. The programmable controller inspection jig of claim 1, wherein the moving means comprises a rail and a slide bearing, the slide bearing being sleeved on the rail, the upper jig being mounted on the slide bearing.