Machining tool checking method and system and storage medium

Abstract

The invention provides a machining tool checking method and system and a storage medium, and relates to the technical field of machining, and the machining tool checking method comprises the steps that before a machine tool enters a machining program, a tool checking program is executed; obtaining a standard model of a target cutter required by machine tool processing through a cutter checking program, and further determining standard size data of the target cutter; a plurality of key point positions of the machining tool are measured, and actual size data of the machining tool are obtained; comparing the actual size data with the standard size data, and judging whether the model of the machining tool is the same as the standard model or not; if yes, the machining program is updated according to the actual size data of the machining tool, and the updated machining program is executed; and if not, stopping the processing program and reporting. According to the method, data processing is conducted through the tool checking program before machining, the checking accuracy of the machining tool is improved, and the machining quality problem caused by tool errors is effectively prevented.

Description

Technical Field

[0001] The present invention relates to the technical field of machining, and more particularly, to a method, a system, and a storage medium for inspecting machining tools. Background Art

[0002] In the process of machining, the selection and use of tools play a crucial role in machining accuracy and part quality. Due to the similarity of some tool structures, there is a risk of using the wrong tool. For example, VR0.8 blades and VR0.4 blades have similar appearances and can use the same tool shank, so there is a possibility of mixing them up, resulting in out-of-tolerance machining parts.

[0003] In the related art, it mainly relies on machine tool operators to conduct manual inspections when replacing blades and manually use feeler gauges for inspection before machining. Completely relying on operators for manual inspections will still make the inspection of machining tools vulnerable to human factors and cannot completely eliminate the possibility of mixing. Summary of the Invention

[0004] The problem solved by the present invention is how to improve the accuracy of inspecting machining tools.

[0005] To solve the above problems, the present invention provides a method, a system, and a storage medium for inspecting machining tools.

[0006] In a first aspect, the present invention provides a method for inspecting machining tools, including: Before the machine tool enters the machining program, execute a tool inspection program; Obtain the standard model of the target tool required for machining by the machine tool through the tool inspection program, and determine the standard dimension data of the target tool according to the standard model; Measure multiple key points of the machining tool to obtain the actual dimension data of the machining tool; Judge whether the model of the machining tool is the same as the standard model by comparing the actual dimension data of the machining tool with the standard dimension data; If so, update the machining program according to the actual dimension data of the machining tool and execute the updated machining program; if not, stop the machining program and report it.

[0007] Optionally, the obtaining the standard model of the target tool required for machining by the machine tool and determining the standard dimension data of the target tool according to the standard model includes: Obtain the type, specification, and dimension of the target tool from the machining program, and use the type, the specification, and the dimension as the standard model; Based on the standard model, determine multiple key dimension parameters of the target tool, and use all the key dimension parameters as the standard dimension data of the target tool.

[0008] Optionally, measure multiple key points of the machining tool to obtain the actual dimension data of the machining tool, including: Based on the standard model of the target tool, determine multiple standard points, and use the standard points as the key points of the machining tool; By measuring the vertical distance from each key point to the reference plane of the tool setting block, obtain the actual dimension data of the machining tool.

[0009] Optionally, the step of obtaining the actual dimension data of the machining tool by measuring the vertical distance from each key point to the reference plane of the tool setting block includes: Establish a standard coordinate system based on the tool setting block; Summarize the data of the vertical distances from all key points to the reference plane of the tool setting block to obtain the coordinate values of each key point of the machining tool in the standard coordinate system; Calculate according to the coordinate values to determine multiple key dimension parameters of the machining tool, and use the key dimension parameters as the actual dimension data.

[0010] Optionally, the step of determining whether the model of the machining tool is the same as the standard model by comparing the actual dimension data of the machining tool with the standard dimension data includes: Compare the actual dimension data of the machining tool with the standard dimension data to obtain the actual deviation value of the machining tool relative to the target tool; Based on the actual deviation value, determine whether the model of the machining tool is the same as the standard model.

[0011] Optionally, the step of comparing the actual dimension data of the machining tool with the standard dimension data to obtain the actual deviation value of the machining tool relative to the target tool includes: Based on the standard dimension data of the target tool, determine the coordinate values of the standard points of the target tool in the standard coordinate system, where the standard points correspond to the key points; Compare the coordinate values of the standard points with the coordinate values of the key points to determine the deviation vector of each key point relative to the corresponding target point; Based on the deviation vectors of all key points, determine the actual deviation value Optionally, determining whether the model of the processing tool is the same as the standard model based on the actual deviation value includes: Determining whether the model of the processing tool is the same as the standard model according to the magnitude relationship between the actual deviation value and a preset error threshold; Wherein, when the actual deviation value is less than the preset error threshold, it is determined that the model of the processing tool is the same as the standard model; When the actual deviation value is greater than or equal to the preset error threshold, it is determined that the model of the processing tool is different from the standard model.

[0012] Optionally, updating the processing program according to the actual dimension data of the processing tool includes: When it is determined that the model of the processing tool is the same as the standard model, determining the tool length compensation parameter and the tool diameter compensation parameter of the processing tool according to the actual dimension data of the processing tool; Determining the feed rate and the cutting depth of the processing tool according to the tool length compensation parameter and the tool diameter compensation parameter, and using the feed rate and the cutting depth as the processing path parameters; Updating the processing program according to the processing path parameters.

[0013] In a second aspect, the present invention provides a processing tool inspection system, including: A program control unit, configured to execute a tool inspection program before the machine tool enters the processing program; A data query unit, configured to obtain the standard model of the target tool required for machine tool processing through the tool inspection program, and determine the standard dimension data of the target tool according to the standard model; A measurement unit, configured to measure multiple key points of the processing tool to obtain the actual dimension data of the processing tool; A judgment unit, configured to judge whether the model of the processing tool is the same as the standard model by comparing the actual dimension data of the processing tool with the standard dimension data; The program control unit is further configured to, if so, update the processing program according to the actual dimension data of the processing tool and execute the updated processing program; if not, stop the processing program and report it.

[0014] In a third aspect, the present invention provides a computer-readable storage medium, on which a computer program is stored. When the computer program is executed by a processor, the above-mentioned processing tool inspection method is implemented.

[0015] The processing tool inspection method, system and storage medium of the present invention execute a special tool inspection program before the machine tool enters the processing program. The inspection program is used to obtain the standard model of the target tool, and based on this, the standard dimension data is determined. Then, multiple key points of the processing tool are measured to obtain the actual dimension data. The present invention adopts a multi-point measurement method, which can more comprehensively reflect the dimension characteristics of the tool, thereby improving the accuracy of inspection. By comparing the actual dimension data with the standard dimension data, it can accurately judge whether the model of the processing tool is the same as the standard model. The method of comparing measurement data reduces the error of manual judgment and further improves the accuracy of inspection. Finally, according to the comparison result, it is decided whether to execute the processing program. If it is found that the tool model does not match, the processing is stopped in time and reported, avoiding the use of incorrect tools, effectively preventing processing quality problems caused by tool errors, and ensuring the accuracy of the processing process and the stability of product quality. If the tool model matches the standard model, the processing program is automatically updated, realizing the adjustment of the processing program according to the different states of each processing tool. This reduces the processing error caused by tool dimension deviation, improves the production efficiency, and ensures the processing accuracy. The present invention improves the accuracy of processing tool inspection by performing data processing using the tool inspection program before processing, providing an efficient and reliable tool management solution for the field of machining. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a flowchart of the processing tool inspection method according to an embodiment of the present invention; Figure 2 is a schematic structural diagram of the processing tool inspection system according to an embodiment of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] In order to make the above objects, features and advantages of the present invention more obvious and understandable, the following detailed description of the specific embodiments of the present invention is given with reference to the accompanying drawings. Although some embodiments of the present invention are shown in the drawings, it should be understood that the present invention can be implemented in various forms and should not be construed as limited to the embodiments described herein. On the contrary, these embodiments are provided to more thoroughly and completely understand the present invention. It should be understood that the drawings and embodiments of the present invention are only for exemplary purposes and are not used to limit the protection scope of the present invention.

[0018] It should be understood that the steps recorded in the method embodiments of the present invention can be executed in different orders and / or executed in parallel. In addition, the method embodiments may include additional steps and / or omit the steps shown. The scope of the present invention is not limited in this regard.

[0019] As used herein, the term "including" and its variations are open-ended, i.e., "including but not limited to"; the term "based on" means "at least partially based on"; the term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments"; the term "optionally" means "optional embodiment". The relevant definitions of other terms will be given in the following description. It should be noted that the concepts such as "first" and "second" mentioned in the present invention are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0020] It should be noted that the modification of "one" and "multiple" mentioned in the present invention is illustrative rather than restrictive. Those skilled in the art should understand that unless otherwise clearly specified in the context, it should be understood as "one or more".

[0021] The names of the messages or information exchanged between multiple devices in the embodiments of the present invention are only for illustrative purposes and are not used to limit the scope of these messages or information.

[0022] Combined Figure 1 As shown, an embodiment of the present invention provides a method for inspecting a machining tool, including: Before the machine tool enters the machining program, execute the tool inspection program.

[0023] Specifically, in the process of machining, before the machine tool officially starts machining the workpiece, this embodiment specially sets a pre-stage for tool inspection, that is, the tool inspection program, so as to ensure in advance that the tools used meet the machining requirements and avoid a series of quality problems caused by tool errors. For example, when an operator is ready to start machining a batch of aerospace parts that require extremely high precision, this inspection program must be started first, which is the basis for the subsequent accurate machining process.

[0024] Obtain the standard model of the target tool required for machining by the machine tool through the tool inspection program, and determine the standard dimension data of the target tool according to the standard model.

[0025] Specifically, the tool inspection program accurately retrieves the standard model of the target tool required for this machining task from a large amount of pre-stored tool information databases according to the machining tasks arranged by the machine tool; after determining the standard model, the program further extracts the corresponding standard dimension data. Taking a common milling cutter as an example, if the standard model is a carbide end mill with HRC50, its standard dimension data includes a series of accurate values such as a diameter of 10mm, a cutting edge length of 50mm, and a total length of 120mm. These data, as the "official file" of the tool, are detailed and have reference significance.

[0026] Measure multiple key points of the processing tool to obtain the actual dimension data of the processing tool.

[0027] Specifically, use a high-precision measuring device to conduct a comprehensive measurement of multiple key parts of the tool to obtain the actual dimension of the processing tool. These key points usually cover positions that have a decisive impact on the processing accuracy, such as the very front end of the cutting edge, the diameter of the tool, and the connection of the tool shank. For example, for a turning tool, the measurer uses a laser measuring instrument to carefully measure points such as the sharpness of the tool tip, the width of the tool head, and the length of the tool shank. Each measurement action strives for precision to ensure that the obtained data can truly reflect the current state of the tool. The data obtained from these measurements, when aggregated, is the actual dimension data of the tool.

[0028] By comparing the actual dimension data of the processing tool with the standard dimension data, determine whether the model of the processing tool is the same as the standard model.

[0029] Specifically, after obtaining the actual dimension data of the processing tool, carefully compare it with the previously determined standard dimension data one by one to see if the indicators of the actual tool match those of the tool in the ideal state. For example, if the diameter of the tool in the standard dimension data is 20 mm, and the actually measured diameter is 20.02 mm, then it is necessary to judge according to the allowable error range (assuming the error range is ±0.01 mm). If it exceeds this range, it is determined that the tool model does not conform to the standard model; otherwise, within the allowable error range, it can be determined to be in line. Through this strict comparison, it can be accurately judged whether the tool to be used currently is the model required for the processing task.

[0030] If so, update the processing program according to the actual dimension data of the processing tool and execute the updated processing program; if not, stop the processing program and report it.

[0031] Specifically, to ensure that the machine tool can perform precise machining operations according to the actual size of the cutting tool during the machining process, after determining that the model of the machining cutting tool is the same as the standard model, the actual control data of the machining cutting tool is obtained based on the actual size data of the machining cutting tool. Among them, the actual control data may include the geometric dimensions of the cutting tool, the wear compensation value of the cutting tool, the cutting parameters of the cutting tool, etc. These data will directly affect the machining accuracy and efficiency. Then, the machining program is updated according to the actual control data. The machining program usually contains a series of instructions for controlling the movement and operation of the machine tool; updating the machining program means adjusting these instructions according to the actual size of the cutting tool to ensure that the machining process can adapt to the actual state of the cutting tool. For example, if the actual size data indicates that the length of the cutting tool is slightly longer than the standard size, then the tool length compensation value in the machining program needs to be updated accordingly to avoid over-cutting or not cutting to the specified position during the machining process. By adjusting the machining program according to the actual size of the cutting tool, the machining process can be made more precise, reducing machining errors caused by tool size deviations. Moreover, by adjusting the cutting parameters according to the actual state of the cutting tool, excessive wear of the cutting tool can be avoided, thereby extending the service life of the cutting tool. By updating the machining program, the cutting path and parameters of the cutting tool can be optimized, reducing unnecessary machining steps, thereby improving production efficiency. This mechanism of this embodiment allows for software adjustment to adapt to small changes in the cutting tool without replacing the cutting tool, improving the flexibility and adaptability of production. By real-time updating the machining program, it can be ensured that each batch of machined parts meets the design requirements, contributing to improving the overall product quality.

[0032] Exemplarily, for instance, a certain factory needs to process a batch of engine blades with extremely high requirements for dimensional accuracy. The processing of these blades requires a milling cutter of a specific model, whose standard model is "HRC60 carbide end mill", and the standard dimension data are a diameter of 15 mm, a cutting edge length of 80 mm, and an overall length of 160 mm. First, start the tool inspection program. The machine tool operator selects the program corresponding to the upcoming processing task on the control panel of the CNC machine tool. Before the formal start of processing, the machine tool system automatically starts the tool inspection program, which is a dedicated program module embedded in the machine tool control system and is specifically used to verify the correctness of the tool before processing. The tool inspection program retrieves the standard model "HRC60 carbide end mill" of the target tool matching this processing task from the database of the tool management system in the workshop, and obtains its corresponding standard dimension data, including detailed parameters such as a diameter of 15 mm, a cutting edge length of 80 mm, and an overall length of 160 mm. These data are stored in the storage area accessible to the machine tool control system for subsequent comparison and verification. The operator installs the milling cutter to be used for processing on the tool measuring device of the machine tool; this measuring device is equipped with a high-precision laser scanner and a contact measuring probe, which can accurately measure each key part of the tool. The measuring device starts multi-point measurement of the milling cutter; first, the laser scanner scans the cutting edge of the milling cutter to determine its cutting edge length; through precise optical positioning and scanning technology, the measured cutting edge length is 80.002 mm. Then, the contact measuring probe measures the diameter part of the milling cutter, contacts the tool surface at multiple different angles and positions, and calculates the average diameter to be 14.998 mm. In addition, the overall length of the milling cutter is also measured, and the measured overall length is 160.001 mm. These actually measured dimension data are transmitted and stored in real time to the designated position in the machine tool control system. The tool inspection program compares the actually measured dimension data (diameter 14.998 mm, cutting edge length 80.002 mm, overall length 160.001 mm) with the standard dimension data (diameter 15 mm, cutting edge length 80 mm, overall length 160 mm) item by item. For example, the preset error tolerance range is ±0.005 mm for the diameter, ±0.005 mm for the cutting edge length, and ±0.005 mm for the overall length. After comparison and calculation, the actually measured dimension data are all within the error tolerance range, so it is judged that the currently installed milling cutter model matches the standard model, which means the tool model verification is passed, and the machine tool control system successfully executes the processing program, and the milling cutter starts high-precision cutting processing on the blank of the aircraft engine blade. The entire processing process proceeds stably according to the preset processing parameters, and the dimensional accuracy of the processed blades meets the design requirements. This embodiment effectively avoids the processing mistakes and the risk of component scrapping caused by incorrect tool models; the processed engine blades have reliable quality, meet the strict precision standards of the components, ensure the performance and safety of the engine, and at the same time improve the production efficiency and economic benefits of the workshop, reducing the time and material waste that may be caused by human inspection mistakes.

[0033] The inspection method for processing tools of the present invention executes a special tool inspection program before the machine tool enters the processing program. By using the inspection program, the standard model of the target tool is obtained, and based on this, the standard dimension data is determined. Then, multiple key points of the processing tool are measured to obtain the actual dimension data. The present invention adopts the method of multi-point measurement, which can more comprehensively reflect the dimension characteristics of the tool, thereby improving the accuracy of inspection. By comparing the actual dimension data with the standard dimension data, it can accurately judge whether the model of the processing tool is the same as the standard model. Using the method of comparing measurement data reduces the error of human judgment and further improves the accuracy of inspection. Finally, according to the comparison result, it is decided whether to execute the processing program. If it is found that the tool model does not match, the processing is stopped in time and reported, avoiding the use of incorrect tools, effectively preventing processing quality problems caused by tool errors, and ensuring the accuracy of the processing process and the stability of product quality. If the tool model matches the standard model, the processing program is automatically updated, realizing the adjustment of the processing program according to the different states of each processing tool, reducing the processing error caused by tool dimension deviation, improving the production efficiency, and ensuring the processing accuracy. By using the tool inspection program to process data before processing, the present invention improves the accuracy of inspection of processing tools and provides an efficient and reliable tool management solution for the field of mechanical processing.

[0034] Optionally, obtaining the standard model of the target tool required for machine tool processing and determining the standard dimension data of the target tool according to the standard model includes: Obtaining the type, specification, and dimension of the target tool from the processing program, and using the type, the specification, and the dimension as the standard model; According to the standard model, determining multiple key dimension parameters of the target tool, and using all the key dimension parameters as the standard dimension data of the target tool.

[0035] Specifically, in practical applications, for example, when processing a batch of small precision parts with high precision requirements, a milling cutter with a specific specification is required. Extract the relevant information of the target tool from the processing program, specifically including the type (such as end mill), the specification (such as HRC50 cemented carbide material), and the dimension (such as diameter 8mm, cutting edge length 40mm, total length 100mm), etc. Combining these forms the standard model of the target tool. Then, based on this standard model, determine its multiple key dimension parameters. For this end mill, the key dimension parameters include the cutting edge diameter (i.e., diameter 8mm), the cutting edge length (40mm), the total length (100mm), the shank diameter (6.35mm), etc. Summing up all these key dimension parameters constitutes the standard dimension data of the target tool.

[0036] In this optional embodiment, on the one hand, accurately obtaining the standard model information of the cutting tool from the machining program can ensure that the referenced standard dimension data highly matches the machining task, avoiding dimensional deviations caused by confusion of cutting tool models. On the other hand, comprehensively determining the key dimension parameters as the standard dimension data can more meticulously inspect the cutting tool, effectively reducing the situation of incorrect use of the cutting tool due to non - compliance of a single dimension, thereby improving the accuracy and reliability of the inspection of the machining cutting tool and ensuring the accuracy of the machining process and the product quality.

[0037] Optionally, measuring multiple key points of the machining cutting tool to obtain the actual dimension data of the machining cutting tool includes: Determining multiple standard points through the standard model of the target cutting tool, and using the standard points as the key points of the machining cutting tool; Obtaining the actual dimension data of the machining cutting tool by measuring the vertical distance from each key point to the reference plane of the tool setting block.

[0038] Specifically, first determine multiple standard points according to the standard model of the target cutting tool, then use these standard points as the key points of the machining cutting tool, and measure the vertical distance from each key point to the reference plane of the tool setting block through professional measuring equipment. Among them, the tool setting block is a high - precision measuring tool, and its reference plane provides a unified measuring reference. The reference plane of the tool setting block is aligned with the coordinate system of the machine tool, and the reference plane of the tool setting block is perpendicular to the Z - axis of the machine tool. During measurement, the cutting tool is accurately positioned near the tool setting block. According to the preset measurement path, it moves to each key point in turn, and the measuring equipment (such as a laser measuring instrument or a contact - type measuring probe) will measure the vertical distance from each key point to the reference plane in turn. Record the vertical distance data of each key point obtained by measurement in the machine tool control system and mark it as the actual dimension data. These distance data will directly reflect the actual dimension situation of the cutting tool at the corresponding key points. In this way, the actual dimension data of the machining cutting tool can be obtained. These data not only contain the key dimension information of the cutting tool but also can reflect the wear or deformation of the cutting tool during actual use. For example, if the measurement result shows that the vertical distance of a certain key point deviates from the standard dimension data, it may mean that the cutting tool is worn or deformed at this part, and further inspection or replacement is required. This measurement method can effectively improve the accuracy of cutting tool inspection, ensure that only cutting tools that meet the standard dimensions can be used for machining, thereby reducing the risk of machining errors and ensuring the quality and accuracy of machined parts.

[0039] Exemplarily, when processing a batch of high-precision mechanical parts, the key points of the target tool need to be determined first according to the standard model of the target tool. Suppose the target tool is a milling cutter with a standard model of "HRC55 carbide end mill, diameter 12mm, edge length 60mm, total length 130mm". Its key points include the front end of the cutting edge, the transition between the cutting edge and the tool shank, the connection end of the tool shank, etc. These key points are preset according to the structural characteristics and processing requirements of the milling cutter. During measurement, the milling cutter is installed on the machine tool, and the tool setting block is used as a reference; the tool setting block has a flat reference surface, and the key points of the tool are in contact with this reference surface. The measuring device (such as a laser measuring instrument or a contact measuring probe) measures the vertical distance from each key point to the reference surface, and these distance values combined constitute the actual dimension data of the tool. For example, the measured vertical distance from the front end of the cutting edge to the reference surface is 60.003mm, and the distance from the transition between the cutting edge and the tool shank to the reference surface is 130.002mm, etc. These data are recorded for subsequent comparison with the standard dimension data.

[0040] In this alternative embodiment, first, by using the reference surface of the tool setting block as a reference, the accuracy and consistency of the measurement are ensured; errors caused by inconsistent measurement references are avoided, and the reliability of the measurement is also improved. Second, by measuring the vertical distance from each key point to the reference surface of the tool setting block, the actual dimension information of the tool can be accurately obtained, providing reliable data support for subsequent tool model judgment. In addition, the method of this embodiment is simple to operate and easy to implement in the actual production environment, can effectively reduce the influence of human factors on the measurement results, improve the efficiency and accuracy of the inspection of the machining tool, and thus ensure the stability of the machining process and the quality of the machined products.

[0041] Optionally, the obtaining of the actual dimension data of the machining tool by measuring the vertical distance from each of the key points to the reference surface of the tool setting block includes: Establish a standard coordinate system based on the tool setting block; Summarize the data of the vertical distances from all the key points to the reference surface of the tool setting block to obtain the coordinate values of each of the key points of the machining tool in the standard coordinate system; Calculate according to the coordinate values to determine multiple key dimension parameters of the machining tool, and use the key dimension parameters as the actual dimension data.

[0042] Specifically, first establish a standard coordinate system based on the tool setting block. The tool setting block is a tool with a high-precision reference surface and positioning holes, usually installed on the machine tool. It provides a unified and precise reference system for the measurement process, ensuring that all measurement data are based on the same benchmark, thereby improving the accuracy and repeatability of the measurement. The standard coordinate system usually takes a certain feature point of the tool setting block (such as the intersection of the reference surface and the axis of the positioning hole) as the origin, and the directions of the coordinate axes are defined according to the movement direction of the machine tool or the geometric shape of the tool. For example, the X-axis can be along the transverse movement direction of the machine tool, the Y-axis along the longitudinal direction, and the Z-axis along the vertical direction. According to the established standard coordinate system, measure the vertical distance from each key point of the machining tool to the reference surface of the tool setting block. Among them, the selection of key points depends on the type and structure of the tool. For example, for a milling cutter, the key points may include the front end of the cutting edge, the middle of the cutting edge, the connection between the tool shank and the cutting edge, etc. The measuring tools include various high-precision measuring tools, such as laser interferometers, contact measuring probes, etc. These tools can accurately measure the vertical distance from the point to the reference surface. After the measured distance data are summarized, they are used to determine the coordinate values of each key point in the standard coordinate system. For example, assuming that the reference surface of the tool setting block is the XY plane, then the Z coordinate of each key point corresponds to the vertical distance from the point to the reference surface, and the X and Y coordinates are determined according to the position of the tool in the coordinate system. Finally, calculations are performed based on these coordinate values to determine multiple key dimensional parameters of the tool. These parameters may include the diameter, length, cutting edge length, tool shank diameter, etc. of the tool. By comparing these actual dimensional data with the standard dimensional data, it can be judged whether the tool meets the requirements.

[0043] For example, machining a batch of high-precision cylindrical parts requires a standard HSS twist drill with a diameter of 10mm, a blade length of 40mm, and a total length of 120mm. To inspect this drill, first secure the tool setting block to the machine tool and establish a standard coordinate system. The tool setting block's reference plane serves as the coordinate system's XY plane, with the intersection of the reference plane and the positioning surface as the X-axis, and the axis perpendicular to the reference plane as the Z-axis. Next, bring the drill close to the tool setting block and measure the vertical distances (in the Z-axis direction) from key points on the drill (such as the drill tip, various locations on the blade, and the end of the drill shank) to the reference plane. For example, suppose the vertical distance from the drill tip to the reference plane is measured to be 40.002mm, the distance from a key point on the blade to the reference plane is 30.001mm, and the distance from the end of the drill shank to the reference plane is 120.003mm. By summarizing these distance data, we can obtain the coordinates of each key point in the standard coordinate system. For example, the drill tip coordinates are (0, 0, 40.002), the blade key point coordinates are (5, 0, 30.001), and so on. Next, calculations are performed based on these coordinates to determine several key drill dimensional parameters. For example, the blade length can be calculated from the drill tip coordinates and the blade key point coordinates to be 10.001mm (the actual blade length should be 40mm, but the data is simplified in this example), and the total length can be calculated from the shank end coordinates to be 120.003mm. These key dimensional parameters are used as the actual drill dimensional data, which are then compared with the standard dimensional data to determine whether the tool model is correct.

[0044] This optional embodiment, firstly, can provide highly accurate measurement results, ensuring that the tool's dimensional accuracy meets machining requirements. Simultaneously, by establishing a standard coordinate system, a unified measurement benchmark can be established, facilitating dimensional comparison and management of different tools or batches of tools. Furthermore, this optional embodiment can automatically record and store measurement data, facilitating subsequent quality tracing and statistical analysis, thereby improving quality control throughout the entire machining process.

[0045] Optionally, comparing the actual size data of the machining tool with the standard size data to determine whether the model of the machining tool is the same as the standard model includes: Comparing the actual size data of the machining tool with the standard size data to obtain an actual deviation value of the machining tool relative to the target tool; Whether the model of the machining tool is the same as the standard model is determined by the actual deviation value.

[0046] Specifically, when comparing the actual dimension data of a machining tool with the standard dimension data, a detailed numerical comparison of these two data sets is first carried out. Specifically, the system will compare each corresponding parameter in the actual dimension data and the standard dimension data one by one, and calculate the actual deviation value of each parameter. For example, for a milling cutter with a standard diameter of 10 mm, if the actually measured diameter is 10.02 mm, then the actual deviation value is +0.02 mm; this deviation value reflects the degree of difference between the actual dimension and the standard dimension. Then, these actual deviation values are used to determine whether the model of the machining tool is the same as the standard model. Among them, the basis for judgment is the preset tolerance range, which is usually determined according to the machining accuracy requirements and the tool manufacturing standards. If the actual deviation values of all key dimension parameters are within the allowable tolerance range, then it can be considered that the model of the machining tool conforms to the standard model. For example, if the tolerance range is set to ±0.03 mm and the actual deviation value is +0.02 mm, then this milling cutter is considered to conform to the standard model. On the contrary, if the deviation value of any key dimension parameter exceeds the tolerance range, the system will judge that the model of the machining tool is inconsistent with the standard model. In this case, the system usually triggers an alarm to remind the operator to check and replace the tool to ensure the accuracy of the machining process and the product quality.

[0047] In this optional embodiment, a quantitative and objective judgment basis is provided, avoiding the errors that may be brought by subjective human judgment. Secondly, by setting a reasonable tolerance range, while ensuring the machining accuracy, a certain degree of dimension fluctuation is allowed, which helps to improve the production efficiency and reduce unnecessary tool replacement caused by overly strict standards. Finally, this judgment method can timely detect problems such as tool wear or incorrect installation, thus preventing machining mistakes and improving the overall production quality and efficiency.

[0048] Optionally, the comparing the actual dimension data of the machining tool with the standard dimension data to obtain the actual deviation value of the machining tool relative to the target tool includes: Determining the coordinate value of the standard point of the target tool in the standard coordinate system according to the standard dimension data of the target tool, where the standard point corresponds to the key point; Comparing the coordinate value of the standard point with the coordinate value of the key point to determine the deviation vector of each key point relative to the corresponding target point; Determining the actual deviation value according to the deviation vectors of all the key points Specifically, first, based on the standard dimension data of the target tool, determine the coordinate values of its standard points in the standard coordinate system. The standard points of the target tool are usually several key geometric positions on the tool, such as the front end of the cutting edge, the transition between the cutting edge and the tool shank, the connection end of the tool shank, etc. The standard coordinate values of these points are pre-determined according to the design specifications of the tool. After determining the coordinate values of the standard points, compare these standard coordinate values with the coordinate values of the key points obtained through actual measurement; the coordinate values of the key points are obtained through actual measurement of the tool, reflecting the geometric state of the tool in actual use; by comparing these two sets of coordinate values, the deviation vector of each key point relative to the standard point can be determined; this deviation vector contains the deviation values in the three directions of X, Y, and Z, respectively representing the displacement of the key point in space. Finally, by analyzing the deviation vectors of all key points, the actual deviation value can be determined. The actual deviation value is a comprehensive index used to measure the difference between the overall size of the tool and the standard size; this value can be a vector or a scalar, depending on the calculation method of the deviation. For example, the modulus of the deviation vector of each key point can be calculated, and then the average value can be taken as the actual deviation value; or, statistical analysis can be performed on the deviation vectors of all key points to obtain an overall deviation evaluation.

[0049] In this alternative embodiment, determining the actual deviation value through coordinate system comparison provides an accurate and quantifiable deviation evaluation method, which can intuitively reflect the difference between the actual size and the standard size of the tool. Secondly, this method can comprehensively evaluate the geometric state of the tool, rather than just the deviation of a single dimension, which helps to more accurately judge whether the model of the tool meets the requirements. Finally, by introducing the standard coordinate system, this method can ensure the standardization and consistency of the measurement and comparison processes, improving the accuracy and reliability of tool inspection.

[0050] Optionally, judging whether the model of the processing tool is the same as the standard model by the actual deviation value includes: Judging whether the model of the processing tool is the same as the standard model according to the magnitude relationship between the actual deviation value and the preset error threshold; Among them, when the actual deviation value is less than the preset error threshold, it is determined that the model of the processing tool is the same as the standard model; When the actual deviation value is greater than or equal to the preset error threshold, it is determined that the model of the processing tool is different from the standard model.

[0051] Specifically, when judging the actual deviation value of the machining tool, it is first judged according to the magnitude relationship between the actual deviation value and the preset error threshold. Here, the preset error threshold is a preset value used to define whether the dimensional deviation of the machining tool is within an acceptable range. The setting of this preset error threshold is usually determined based on factors such as machining accuracy requirements, tool manufacturing standards, and actual production experience. When the actual deviation value is less than the preset error threshold, it is determined that the model of the machining tool is the same as the standard model. This means that although there are certain dimensional deviations, the deviations are within the controllable range, and the tool can still be used for machining without significantly affecting the machining accuracy. When the actual deviation value is greater than or equal to the preset error threshold, it is determined that the model of the machining tool is different from the standard model. This indicates that the dimensional deviation of the tool exceeds the allowable range, and continued use may cause the machined parts to be out of tolerance, thus affecting the product quality.

[0052] In this optional embodiment, by comparing the actual deviation value with the preset error threshold, a clear and objective judgment basis is provided, avoiding the subjectivity of manual judgment and improving the accuracy and consistency of judgment. Moreover, the preset error threshold can be adjusted according to different machining tasks and tool types to adapt to different production requirements and accuracy requirements. For example, for high-precision machining tasks, a smaller error threshold can be set; while for some tasks with relatively low accuracy requirements, the error threshold can be appropriately relaxed. It can promptly identify non-compliant tools, avoid machining errors caused by tool size problems, thereby reducing the scrap rate and improving production efficiency and product quality. Through strict deviation value judgment, it is ensured that only compliant tools can be put into production, which helps to improve the overall production quality and management level.

[0053] Optionally, the updating of the machining program according to the actual dimension data of the machining tool includes: When it is determined that the model of the machining tool is the same as the standard model, according to the actual dimension data of the machining tool, determine the tool length compensation parameter and the tool diameter compensation parameter of the machining tool; According to the tool length compensation parameter and the tool diameter compensation parameter, determine the feed rate and cutting depth of the machining tool, and use the feed rate and the cutting depth as the machining path parameters; Update the machining program according to the machining path parameters.

[0054] Specifically, based on the tool length in the actual dimension data, calculate the deviation from the standard length. This deviation value is the tool length compensation parameter. For example, if the standard tool length is 100 mm and the actually measured length is 100.05 mm, then the tool length compensation parameter is +0.05 mm. Similarly, based on the tool diameter in the actual dimension data, calculate the deviation from the standard diameter. This deviation value is the tool diameter compensation parameter. For example, for a tool with a standard diameter of 20 mm and an actually measured diameter of 20.02 mm, the tool diameter compensation parameter is +0.02 mm. Adjust the feed rate according to the actual size of the tool and the machining requirements; the adjustment of the feed rate is usually based on the tool wear condition and the hardness of the machining material. For example, if the actual size of the tool indicates less wear, the feed rate can be appropriately increased to improve machining efficiency; conversely, if the wear is large, the feed rate may need to be decreased to ensure machining accuracy and tool life. Determine the cutting depth according to the actual size of the tool and the compensation parameters. The adjustment of the cutting depth needs to ensure that the tool will not be damaged due to excessive cutting during machining, while also ensuring machining accuracy. For example, if the tool length compensation parameter is +0.05 mm, then during programming, the cutting depth needs to be reduced by 0.05 mm to avoid excessive cutting. In the machining program, find the corresponding tool compensation parameter setting section and input the calculated tool length compensation parameter and tool diameter compensation parameter into the program. Usually, it is set in the tool compensation instructions (such as G43 / G49 for length compensation, G41 / G42 for diameter compensation). In the cutting path section of the machining program, update the corresponding instructions according to the determined feed rate and cutting depth. For example, change G01 F100 to G01 F120 (if the feed rate is increased), and change Z-10 to Z-9.95 (if the cutting depth is reduced by 0.05 mm).

[0055] Exemplarily, assume that when machining a certain component, a milling cutter with a standard model of "HRC55 carbide end mill, diameter 20 mm, cutting edge length 80 mm, total length 160 mm" is used. The data obtained after actual measurement are: diameter 20.02 mm, cutting edge length 80.03 mm, total length 160.05 mm. Based on these data, the tool length compensation parameter can be obtained as the total length deviation +0.05 mm, and the tool diameter compensation parameter as the diameter deviation +0.02 mm. Update the tool compensation instructions in the machining program according to these compensation parameters. At the same time, adjust the feed rate and cutting depth according to the actual size and compensation parameters. For example, the original feed rate in the machining program is F100, and according to the actual state of the tool and the machining requirements, the feed rate is increased to F120; the original cutting depth is Z-10, and according to the length compensation parameter, the cutting depth is adjusted to Z-9.95.

[0056] In this alternative embodiment, through precise tool compensation parameter updates, it is ensured that the position and cutting amount of the tool during machining meet the design requirements, reducing machining errors. The feed rate and cutting depth are reasonably adjusted to avoid excessive cutting and unnecessary wear, extending the service life of the tool. Moreover, by optimizing the feed rate and cutting depth, the machining process becomes more efficient, reducing machining time. This embodiment can dynamically adjust the machining program according to the actual state of the tool, adapting to different machining conditions and tool states, and improving the flexibility and adaptability of production. Through precise compensation and parameter adjustment, it is ensured that each batch of machined parts has highly consistent machining quality.

[0057] Combined with Figure 2 as shown, the present invention also provides a machining tool inspection system, including: A program control unit, used to execute a tool inspection program before the machine tool enters the machining program; A data query unit, used to obtain the standard model of the target tool required for machine tool machining through the tool inspection program, and determine the standard dimension data of the target tool according to the standard model; A measurement unit, used to measure multiple key points of the machining tool to obtain the actual dimension data of the machining tool; A judgment unit, used to judge whether the model of the machining tool is the same as the standard model by comparing the actual dimension data of the machining tool with the standard dimension data; The program control unit is also used to, if so, update the machining program according to the actual dimension data of the machining tool and execute the updated machining program; if not, stop the machining program and report it.

[0058] The machining tool inspection system of the present invention has the same advantages compared with the prior art as those of the above-mentioned machining tool inspection method compared with the prior art, and will not be elaborated here.

[0059] A computer-readable storage medium provided by an embodiment of the present invention, on which a computer program is stored. When the computer program is executed by a processor, the above-mentioned machining tool inspection method is implemented.

[0060] Or, a non-volatile computer-readable storage medium, on which a computer program is stored. When the computer program is executed by a processor, the processor is made to perform the following operations: Before the machine tool enters the machining program, execute a tool inspection program; Obtain the standard model of the target tool required for machine tool machining through the tool inspection program, and determine the standard dimension data of the target tool according to the standard model; Measure multiple key points of the machining tool to obtain the actual dimension data of the machining tool; By comparing the actual dimension data of the machining tool with the standard dimension data, determine whether the model of the machining tool is the same as the standard model; If so, update the machining program according to the actual dimension data of the machining tool, and execute the updated machining program; if not, stop the machining program and report it.

[0061] The computer-readable storage medium of the present invention has the same advantages as the above machining tool inspection method compared with the prior art, and will not be elaborated here.

[0062] Although the present invention is disclosed as above, the protection scope of the present invention is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications will all fall within the protection scope of the present invention.

Claims

1. A method for inspecting a machining tool, characterized in that, Including: Before the machine tool enters the machining program, execute a tool inspection program; Obtain the standard model of the target tool required for machining the machine tool through the tool inspection program, and determine the standard dimension data of the target tool according to the standard model; Measure multiple key points of the machining tool to obtain the actual dimension data of the machining tool; Judge whether the model of the machining tool is the same as the standard model by comparing the actual dimension data of the machining tool with the standard dimension data; If so, update the machining program according to the actual dimension data of the machining tool, and execute the updated machining program; if not, stop the machining program and report it.

2. The inspection method of a machining tool according to claim 1, wherein The obtaining the standard model of the target tool required for machining the machine tool, and determining the standard dimension data of the target tool according to the standard model includes: Obtain the type, specification, and dimension of the target tool from the machining program, and use the type, the specification, and the dimension as the standard model; Determine multiple key dimension parameters of the target tool according to the standard model, and use all the key dimension parameters as the standard dimension data of the target tool.

3. The inspection method of the machining tool according to claim 1, wherein, The measuring multiple key points of the machining tool to obtain the actual dimension data of the machining tool includes: Determine multiple standard points through the standard model of the target tool, and use the standard points as the key points of the machining tool; Obtain the actual dimension data of the machining tool by measuring the vertical distance from each key point to the reference plane of the tool setting block.

4. The inspection method of the machining tool according to claim 3, characterized in that, The obtaining the actual dimension data of the machining tool by measuring the vertical distance from each key point to the reference plane of the tool setting block includes: Establish a standard coordinate system according to the tool setting block; Summarize the data of the vertical distances from all key points to the reference plane of the tool setting block to obtain the coordinate values of each key point of the machining tool in the standard coordinate system; Calculate according to the coordinate values to determine multiple key dimension parameters of the machining tool, and use the key dimension parameters as the actual dimension data.

5. The inspection method for a machining tool according to claim 4, wherein The judging whether the model of the machining tool is the same as the standard model by comparing the actual dimension data of the machining tool with the standard dimension data includes: Compare the actual dimension data of the machining tool with the standard dimension data to obtain the actual deviation value of the machining tool relative to the target tool; Judge whether the model of the machining tool is the same as the standard model through the actual deviation value.

6. The inspection method of the machining tool according to claim 5, characterized in that The comparing the actual dimension data of the machining tool with the standard dimension data to obtain the actual deviation value of the machining tool relative to the target tool includes: Determine the coordinate values of the standard points of the target tool in the standard coordinate system according to the standard dimension data of the target tool, and the standard points correspond to the key points; Compare the coordinate values of the standard points with the coordinate values of the key points to determine the deviation vector of each key point relative to the corresponding target point; Determine the actual deviation value according to the deviation vectors of all the key points.

7. The inspection method of the machining tool according to claim 5, characterized in that Judging whether the model of the machining tool is the same as the standard model by the actual deviation value includes: Judging whether the model of the machining tool is the same as the standard model according to the magnitude relationship between the actual deviation value and the preset error threshold; Wherein, when the actual deviation value is less than the preset error threshold, it is determined that the model of the machining tool is the same as the standard model; When the actual deviation value is greater than or equal to the preset error threshold, it is determined that the model of the machining tool is different from the standard model.

8. The inspection method of the machining tool according to claim 5, characterized in that Updating the machining program according to the actual dimension data of the machining tool includes: When it is determined that the model of the machining tool is the same as the standard model, determine the tool length compensation parameter and the tool diameter compensation parameter of the machining tool according to the actual dimension data of the machining tool; Determine the feed speed and cutting depth of the machining tool according to the tool length compensation parameter and the tool diameter compensation parameter, and use the feed speed and the cutting depth as the machining path parameters; Update the machining program according to the machining path parameters.

9. A processing tool inspection system, characterized in that, Including: A program control unit for executing a tool inspection program before the machine tool enters the machining program; A data query unit for obtaining the standard model of the target tool required for machine tool machining through the tool inspection program, and determining the standard dimension data of the target tool according to the standard model; A measurement unit for measuring multiple key points of the machining tool to obtain the actual dimension data of the machining tool; A judgment unit for judging whether the model of the machining tool is the same as the standard model by comparing the actual dimension data of the machining tool with the standard dimension data; The program control unit is further configured to, if so, update the machining program according to the actual dimension data of the machining tool and execute the updated machining program; if not, stop the machining program and report it.

10. A computer-readable storage medium, characterized in that, A computer program is stored on the storage medium, and when the computer program is executed by a processor, the machining tool inspection method according to any one of claims 1-8 is implemented.

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