WO2022041610A1

WO2022041610A1 - Clamping tool detection method and system, device, and storage medium

Info

Publication number: WO2022041610A1
Application number: PCT/CN2020/140086
Authority: WO
Inventors: 任孝江; 贺毅; 左志军; 姚维兵; 徐华昕; 张凯
Original assignee: 广州明珞装备股份有限公司; 明珞汽车装备（上海）有限公司
Priority date: 2020-08-31
Filing date: 2020-12-28
Publication date: 2022-03-03
Also published as: CN112145504A; CN112145504B

Abstract

A clamping tool detection method and system, a device, and a storage medium. The method comprises: acquiring environment parameters and function parameters (S100); generating a test environment according to the environment parameters (S200); performing a connection status test to obtain first test data, and configuring a clamping tool according to the first test data (S300); performing a clamping tool function test to obtain second test data (S400); according to the function parameters, analyzing the second test data to obtain a test result (S500). A production environment may be simulated according to requirements. Test data is obtained by means of the connection status test and the clamping tool function test, and the function parameters are compared and analyzed to generate the test result. Compared to manual detection, the present solution achieves higher accuracy in detecting problems, higher detection efficiency, and lower detection costs.

Description

A fixture detection method, system, equipment and storage medium

technical field

The invention relates to the field of equipment detection, in particular to a fixture detection method, system, equipment and storage medium.

Background technique

The assembly of the testing fixture equipment is a necessary link to ensure the normal operation of the equipment. At present, the testing of the fixtures mainly relies on manual work, generally by equipping special personnel to test the air circuit of the cylinders one by one; and this testing process has great drawbacks, for example, The inspection process requires the fixture equipment to manually open or close the cylinder without ventilation, and determine whether there is a problem in combination with the change of the sensor signal light at the open or closed position. The above operation process is inconsistent with the actual production environment, which may lead to detection. The results are also inaccurate; in addition, manual detection of the air circuit can only determine whether the overall ventilation of the equipment is normal, and cannot determine whether the air circuit of a single cylinder is normal.

To sum up, the detection process with manual operation as the main body has disadvantages such as inaccurate detection results, incomplete detection process, and low work efficiency; how to achieve accurate, comprehensive and efficient detection of fixture equipment is a technical problem that needs to be solved urgently.

SUMMARY OF THE INVENTION

In order to solve at least one of the technical problems existing in the prior art, the purpose of the present invention is to provide a fixture detection method, system, device and storage medium.

According to a first aspect of the embodiments of the present invention, a fixture detection method includes the following steps:

Obtain environmental parameters and functional parameters;

Generate a test environment according to the environment parameters;

performing a connection state test, obtaining first test data, and setting a fixture according to the first test data;

Execute the fixture function test to obtain the second test data;

The second test data is analyzed according to the functional parameters to obtain a test result.

Further, the fixture includes a cylinder and a valve island.

Further, the step of generating a test environment according to the environmental parameters includes:

Get the environment parameters;

The fixture is turned on and set according to the environmental parameters, thereby generating the test environment.

Further, the step of performing the connection state test to obtain the first test data, and setting the fixture according to the first test data, includes:

performing the connection state test to obtain the first test data;

Check whether the connection relationship between the cylinder and the valve island is normal according to the first test data. If so, proceed to the next step; if not, adjust the connection relationship and re-execute the connection state test until the The connection relationship is normal; the connection relationship includes gas connection and circuit connection.

Further, the step of checking whether the connection relationship between the cylinder and the valve island is normal according to the first test data includes:

obtaining the first test data;

Compare whether the signal address of the action feedback of the cylinder in the first test data is consistent with the design address, if so, the connection relationship between the cylinder and the valve island is normal; if not, the connection relationship unusual.

Further, the function test of the fixture includes a test of the switching action duration of the air cylinder and a stability test of the air cylinder.

Further, the step of analyzing the second test data according to the functional parameters to obtain a test result includes:

obtaining the functional parameters; the functional parameters include a switching action duration parameter and a stability parameter;

The second test data is analyzed according to the functional parameters and combined with big data to obtain the test result; the big data refers to a database constructed by using the functional parameters.

According to a second aspect of the embodiments of the present invention, a fixture detection system includes the following modules:

The initial module is used to obtain environmental parameters and functional parameters;

a preset module for generating a test environment according to the environmental parameters;

a first test module, configured to perform a connection state test, obtain first test data, and set a fixture according to the first test data; the fixture includes a cylinder and a valve island;

The second test module is used to perform the fixture function test to obtain the second test data;

An analysis module, configured to analyze the second test data according to the functional parameters to obtain a test result.

According to a third aspect of the embodiments of the present invention, a device includes:

at least one processor;

at least one memory for storing at least one program;

When the at least one program is executed by the at least one processor, the at least one processor is caused to implement the method according to the first aspect.

According to a fourth aspect of the embodiments of the present invention, a computer-readable storage medium stores a program executable by a processor, and when executed by a processor, the program executable by the processor is used to implement the first aspect Methods.

The beneficial effects of the present invention are: the production environment can be simulated according to the requirements, the test data can be obtained through the connection state test and the fixture function test, and the test results can be generated by comparing and analyzing the function parameters, and compared with the manual detection, the detection problem is more accurate. , The technical effect of higher detection efficiency and lower detection cost.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following descriptions are given to the accompanying drawings of the embodiments of the present invention or the related technical solutions in the prior art. It should be understood that the accompanying drawings in the following introduction It is only for the convenience of clearly expressing some embodiments of the technical solutions of the present invention, and for those skilled in the art, other drawings can also be obtained from these drawings without creative work.

1 is a flowchart of a method provided by an embodiment of the present invention;

2 is a system connection diagram provided by an embodiment of the present invention;

Fig. 3 is a clamp connection diagram provided by an embodiment of the present invention;

4 is a module connection diagram provided by an embodiment of the present invention;

FIG. 5 is a connection diagram of a device provided by an embodiment of the present invention.

detailed description

The concept, specific structure and technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings, so as to fully understand the purpose, solutions and effects of the present invention.

In order to make those skilled in the art better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only Embodiments are part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

The terms "first", "second", "third" and "fourth" in the description and claims of the present invention and the accompanying drawings are used to distinguish different objects, rather than to describe a specific order. . Furthermore, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes unlisted steps or units, or optionally also includes For other steps or units inherent to these processes, methods, products or devices.

Reference herein to an "embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor a separate or alternative embodiment that is mutually exclusive of other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

First of all, in order to facilitate understanding of the present invention, the following terms are explained accordingly:

Fixture: refers to the device used to fix the processing object in the process of mechanical manufacturing, so that it exists in the correct position for construction or inspection, also known as the fixture; the fixture is usually composed of positioning elements (determining the correct position of the workpiece in the fixture), clamping Device, tool setting guide element (determining the relative position of the tool and the workpiece or guiding the tool direction), indexing device (so that the workpiece can complete the processing of several stations in one installation, there are rotary indexing device and linear moving indexing It consists of two types of devices), connecting elements and clamp bodies (clamp bases).

Valve Island: Valve Terminal, is a control component composed of multiple electronically controlled valves. It integrates signal input/output and signal control, and can be understood as a control island; generally, a fixture is equipped with a valve island, and the fixture in the fixture is equipped with a valve island. All cylinders are controlled by this valve island and feedback data.

An embodiment of the present invention provides a fixture detection method, which can be applied to a terminal, a server, or software running in a terminal or a server, such as an application program with image color constancy processing function Wait. The terminal may be a smart phone, a tablet computer, a notebook computer, a desktop computer, etc., but is not limited thereto. The server can be an independent physical server, a server cluster or a distributed system composed of multiple physical servers, or a cloud service, cloud database, cloud computing, cloud function, cloud storage, network service, cloud communication, intermediate Cloud servers for basic cloud computing services such as software services, domain name services, security services, CDNs, and big data and artificial intelligence platforms. Referring to FIG. 1, the method includes the following steps S100-S500:

S100. Obtain environmental parameters and functional parameters; environmental parameters are mainly used to reflect the actual production environment and can be adjusted according to the needs of the actual scene; functional parameters are mainly used to reflect the basic data of valve islands and cylinders of different brands and models, which can be separately Calls can also form a corresponding database as the basis for big data analysis;

S200, generating a test environment according to environmental parameters;

Optionally, step S200 may be implemented by the following sub-steps:

S201. Obtain environmental parameters;

S202, turn on and set the fixture according to the environmental parameters, thereby generating a test environment; optionally, the air compressor can be adjusted according to the environmental parameters to control the output air pressure to ensure that it is consistent with the actual production environment;

S300, performing a connection state test, obtaining first test data, and setting a fixture according to the first test data; the fixture includes a cylinder and a valve island; and in the actual operation process, different valve islands equipped with different fixtures generally have different circuit interfaces, which are This can be used correspondingly to meet the test requirements of the joints or other supporting equipment to ensure the consistency with the actual production environment;

Optionally, step S300 may be implemented through the following sub-steps:

S301, performing a connection state test to obtain first test data;

S302, according to the first test data, check whether the connection relationship between the cylinder and the valve island is normal, if so, proceed to the next step; if not, adjust the connection relationship and re-execute the connection state test until the connection relationship is normal; the connection relationship includes air path connection It is connected with the circuit; and whether the connection relationship is the same by comparing the signal address of the action feedback of the cylinder in the first test data with the design address, if so, the connection relationship between the cylinder and the valve island is normal; if not, the connection relationship is not normal.

S400. Execute a fixture function test to obtain second test data; the fixture function test includes a cylinder switch action duration test and a cylinder stability test;

S500, analyzing the second test data according to the functional parameters to obtain a test result;

Optionally, step S500 may be implemented by the following sub-steps:

S501. Obtain functional parameters; the functional parameters include switching action duration parameters and stability parameters;

S502 , analyze the second test data according to the functional parameters and in combination with the big data, to obtain a test result; the big data refers to a database constructed by using the functional parameters.

In order to determine the time required for the opening and closing of the cylinder, a basic database of solenoid valves and cylinders of different brands and models is established. The judgment of the operation time and stability is based on big data analysis and diagnosis. The analysis process is mainly based on the collected second test data. It is realized by comparing with the functional parameters; the following analysis scenarios may exist in the actual environment. For example, the opening time of cylinder 1 is 1 second. This data is submitted to the background by comparing the opening time of cylinders of the same brand and type. If the opening time of cylinder 1 is If the time is more than 2 times of the reference value, it is judged that the opening time is too long. After a period of running sampling calculation, the opening time distribution of cylinder 1 accounts for less than 60% within 3 times the standard deviation of the reference value, and it is judged to be unstable. If the opening time is too long, it is necessary to check whether the cylinder runs smoothly and whether the cylinder is deformed. For unstable cylinders, it is necessary to check whether the sensor installation is stable and whether the cylinder runs smoothly.

Referring to FIG. 2, it is a system connection diagram provided according to an embodiment of the present invention, which shows the connection relationship of different devices in an application scenario, including three parts: an air compressor, a fixture, and a testing machine; wherein the fixture also includes a valve island, Cylinder, the testing machine also includes 24V power supply and PLC equipment; the connection relationship includes three types of air connection, circuit connection and network connection; it can be seen that the air compressor and the valve island are connected through the air circuit, and the valve island and the cylinder are connected through the air circuit; The cylinder and the valve island are connected through the circuit, the valve island and the 24V power supply are connected through the circuit, the 24V power supply and the PLC equipment are connected through the circuit; the valve island and the PLC equipment are connected through the network.

Referring to FIG. 3, it is a connection diagram of a clamp provided according to an embodiment of the present invention, which shows the connection relationship between the cylinder inside the clamp and the valve island in an application scenario; in this application scenario, each cylinder has a function for opening and closing The two air circuits are connected to the signal circuit used for opening and closing in-position detection feedback; assuming that the opening and closing control addresses of cylinder 1 are Q0.0 and Q0.1, and the opening and closing in-position detection addresses are I0.0 and I0.1; The correct opening and closing control addresses of 2 are Q0.2 and Q0.3, and the opening and closing in-position detection addresses are I0.2 and I0.3. At this time, if the control output address Q0.1 is used, the cylinder 1 should be closed, and the detected feedback signal address should be I0.1 when the connection is correct, but if the feedback address at this time is I0.1, it is The feedback signal circuit is wrongly connected, when the output Q0.1 should be the closing action of cylinder 1, and if the cylinder 2 is closed, it means that the air circuit is connected incorrectly; make corresponding adjustments to the wrong circuit and air circuit, and test again after the adjustment is completed. See if there are still problems.

4, it is a module connection diagram provided according to an embodiment of the present invention, including the following modules:

The initial module 401 is used to obtain environmental parameters and functional parameters;

The preset module 402 is connected to the initial module 401 to realize interaction, and is used to generate a test environment according to the environmental parameters;

The first test module 403 is connected with the preset module 402 to realize interaction, and is used to perform the connection state test, obtain the first test data, and set the fixture according to the first test data;

The second test module 404 is connected to the first test module 403 to realize interaction, and is used for performing the function test of the fixture to obtain the second test data;

The analysis module 405 is respectively connected with the initial module 401 and the second test module 404 to realize interaction, and is used for analyzing the second test data according to the functional parameters to obtain the test result.

5, the present invention also provides a device, including:

at least one processor 501;

at least one memory 502 for storing at least one program;

When at least one program is executed by at least one processor 501 , at least one processor 501 implements the method shown in FIG. 1 .

The contents in the method embodiment shown in FIG. 1 are all applicable to the device embodiment, the specific functions implemented by the device embodiment are the same as the method embodiment shown in FIG. 1 , and the beneficial effects achieved are the same as those shown in FIG. 1 . The beneficial effects achieved by the method embodiments are also the same.

The present invention also provides a computer-readable storage medium, in which a processor-executable program is stored, and the processor-executable program is used to implement the method shown in FIG. 1 when executed by the processor.

The contents in the method embodiment shown in FIG. 1 are all applicable to the storage medium embodiment. The specific functions implemented by the storage medium embodiment are the same as those of the method embodiment shown in FIG. 1 , and the beneficial effects achieved are the same as those in FIG. 1 . The beneficial effects achieved by the method embodiments shown are also the same.

It will be understood that all or some of the steps and systems of the methods disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. Some or all physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit . Such software may be distributed on computer-readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). As is known to those of ordinary skill in the art, the term computer storage media includes both volatile and nonvolatile implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data flexible, removable and non-removable media. Computer storage media include, but are not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disk (DVD) or other optical disk storage, magnetic cartridges, magnetic tape, magnetic disk storage or other magnetic storage devices, or may Any other medium used to store desired information and which can be accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules, or other data in a modulated data signal such as a carrier wave or other transport mechanism, and can include any information delivery media, as is well known to those of ordinary skill in the art .

The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, and within the scope of knowledge possessed by those of ordinary skill in the technical field, various changes can also be made without departing from the purpose of the present invention. .

Claims

A fixture detection method, characterized in that, comprising the following steps:

Obtain environmental parameters and functional parameters;

Generate a test environment according to the environment parameters;

performing a connection state test, obtaining first test data, and setting a fixture according to the first test data;

Execute the fixture function test to obtain the second test data;

The second test data is analyzed according to the functional parameters to obtain a test result.
The fixture detection method according to claim 1, wherein the fixture comprises a cylinder and a valve island.
The fixture detection method according to any one of claims 1-2, wherein the step of generating a test environment according to the environmental parameters includes:

Get the environment parameters;

The fixture is turned on and set according to the environmental parameters, thereby generating the test environment.
The fixture detection method according to any one of claims 1-2, wherein the step of performing a connection state test to obtain first test data, and setting a fixture according to the first test data, includes:

performing the connection state test to obtain the first test data;

Check whether the connection relationship between the cylinder and the valve island is normal according to the first test data, if yes, proceed to the next step; if not, adjust the connection relationship and re-execute the connection state test until the The connection relationship is normal; the connection relationship includes gas connection and circuit connection.
The fixture detection method according to claim 4, wherein the step of checking whether the connection relationship between the cylinder and the valve island is normal according to the first test data comprises:

obtaining the first test data;

Compare whether the signal address of the action feedback of the cylinder in the first test data is consistent with the design address, if so, the connection relationship between the cylinder and the valve island is normal; if not, the connection relationship unusual.
The fixture detection method according to any one of claims 1-2, wherein the fixture function test includes a time duration test of the opening and closing action of the air cylinder and a stability test of the air cylinder.
The fixture detection method according to any one of claims 1-2, wherein the step of analyzing the second test data according to the functional parameters to obtain a test result includes:

obtaining the functional parameters; the functional parameters include a switching action duration parameter and a stability parameter;

The second test data is analyzed according to the functional parameters and combined with big data to obtain the test result; the big data refers to a database constructed by using the functional parameters.
A fixture detection system, characterized in that it includes the following modules:

The initial module is used to obtain environmental parameters and functional parameters;

a preset module for generating a test environment according to the environmental parameters;

a first test module, configured to perform a connection state test, obtain first test data, and set a fixture according to the first test data;

The second test module is used to perform the fixture function test to obtain the second test data;

An analysis module, configured to analyze the second test data according to the functional parameters to obtain a test result.
A device, characterized in that it includes:

at least one processor;

at least one memory for storing at least one program;

When the at least one program is executed by the at least one processor, the at least one processor is caused to implement the method of any one of claims 1-7.
A computer-readable storage medium storing a program executable by a processor, wherein the program executable by the processor, when executed by the processor, is used to implement the program as claimed in any one of claims 1-7. method described.