CN117455850A

CN117455850A - Shaping matching degree quantitative evaluation method and device for intermediate blank and ring forging

Info

Publication number: CN117455850A
Application number: CN202311360047.4A
Authority: CN
Inventors: 欧阳斌; 何昱; 范茂艳; 黄四维; 占立水; 葛金锋; 苏海; 邱伟; 杨晋
Original assignee: Guizhou Anda Aviation Forging Co Ltd
Current assignee: AVIC Guizhou Anda Aviation Forging Co Ltd
Priority date: 2023-10-19
Filing date: 2023-10-19
Publication date: 2024-01-26

Abstract

The disclosure provides a method and a device for quantitatively evaluating forming matching degree of an intermediate blank and an annular forging, which can be applied to a scene of manufacturing an aviation annular forging, and specifically comprise the following steps: acquiring a first image of the intermediate blank and a second image of the formed ring forging; respectively carrying out image segmentation on the first image and the second image to obtain a first area and a second area; dividing the first area and the second area into at least two first height sections by taking the first preset height as a unit height; determining the forming matching degree corresponding to each first height interval according to the area ratio of the first area to the second area in each first height interval; obtaining an average value of forming matching degrees corresponding to all the first height intervals to obtain first forming matching degrees of the intermediate blank and the forming ring forging; and determining the forming matching degree of the intermediate blank and the forming ring forging according to the first forming matching degree. The method can improve the success rate of blank processing and the forming rate of the intermediate blank.

Description

Shaping matching degree quantitative evaluation method and device for intermediate blank and ring forging

Technical Field

The disclosure relates to the technical field of industrial production, in particular to a method and a device for quantitatively evaluating forming matching degree of an intermediate blank and an annular forging piece, which can be applied to a scene of manufacturing an aviation annular forging piece.

Background

Aero-ring forgings are one of the important parts in aero-engines, and their organization and mechanical properties play a vital role in the performance, reliability and safety of the engines. In the process of producing the aviation ring forging, detecting the forming matching degree of the produced aviation ring forging and a standard aviation ring forging is an important link for guaranteeing the quality of the aviation ring forging.

At present, the detection of the forming matching degree of the produced aviation ring forging and the standard aviation ring forging is to detect the forming matching degree of the final aviation ring forging and the standard aviation ring forging which finish all production processes.

However, the existing detection method can cause that the problems of the aviation ring forging in the production process are difficult to repair, and the success rate of blank processing for producing the aviation ring forging is affected.

Disclosure of Invention

The invention provides a method and a device for quantitatively evaluating the forming matching degree of an intermediate blank and an annular forging piece, which can improve the success rate of blank processing and the forming rate of the intermediate blank.

According to a first aspect of the present disclosure, there is provided a method for quantitatively evaluating a forming match degree of an intermediate blank with an annular forging, the method comprising:

acquiring a first image of an intermediate blank and a second image of a formed ring forging, wherein the shooting visual angles and the sizes of the first image and the second image are the same, and the intermediate blank is a target blank obtained by rolling an initial blank through rolling equipment or an initial ring forging obtained by ring rolling the target blank through ring rolling equipment; image segmentation is carried out on the first image to obtain a first area where the intermediate blank in the first image is located; image segmentation is carried out on the second image, and a second area where the formed ring forging is located in the second image is obtained; dividing the first area and the second area into at least two first height sections by taking the first preset height as a unit height; determining the forming matching degree corresponding to each first height interval according to the area ratio of the first area to the second area in each first height interval; obtaining an average value of forming matching degrees corresponding to all the first height intervals to obtain first forming matching degrees of the intermediate blank and the forming ring forging; and determining the forming matching degree of the intermediate blank and the forming ring forging according to the first forming matching degree.

In some possible implementations, the method further includes: acquiring a first three-dimensional point cloud of the intermediate blank and a second three-dimensional point cloud of the formed ring forging; dividing the first three-dimensional point cloud and the second three-dimensional point cloud into at least two second height sections by taking the second preset height as a unit height; determining the forming matching degree corresponding to each second height interval according to the volume ratio of the first three-dimensional point cloud to the second three-dimensional point cloud in each second height interval; obtaining an average value of forming matching degrees corresponding to all the second height intervals to obtain second forming matching degrees of the intermediate blank and the forming ring forging; determining the forming matching degree of the intermediate blank and the forming ring forging according to the first forming matching degree comprises the following steps: and determining the forming matching degree of the intermediate blank and the forming ring forging according to the average value of the first forming matching degree and the second forming matching degree.

In some possible implementations, the method further includes: acquiring three-dimensional data of the intermediate blank and three-dimensional data of the formed ring forging according to the first three-dimensional point cloud and the second three-dimensional point cloud; determining the volume compensation rate of the intermediate blank according to the three-dimensional data of the intermediate blank and the three-dimensional data of the formed ring forging; determining a third forming matching degree of the intermediate blank and the forming ring forging according to the volume compensation rate of the intermediate blank; determining the forming matching degree of the intermediate blank and the forming ring forging according to the average value of the first forming matching degree and the second forming matching degree, comprising: obtaining an average value of the first forming matching degree and the second forming matching degree to obtain a first comprehensive forming matching degree; and determining the average value of the first comprehensive forming matching degree and the third forming matching degree to obtain the forming matching degree of the intermediate blank and the forming ring forging.

In some possible implementations, determining the forming match of the intermediate blank and the forming ring forging from the first forming match includes: acquiring first forming matching degrees respectively corresponding to at least two different shooting visual angles; and determining the forming matching degree of the intermediate blank and the forming ring forging according to the average value of the first forming matching degrees respectively corresponding to at least two different shooting visual angles.

In some possible implementations, the method further includes: and judging whether the intermediate blank is qualified or not according to the forming matching degree of the intermediate blank and the forming ring forging.

In some possible implementations, determining whether the intermediate blank is qualified according to a forming matching degree of the intermediate blank and the forming ring forging includes: and when the forming matching degree corresponding to each first height interval and the forming matching degree of the intermediate blank and the forming ring forging are all larger than 1 and smaller than a preset threshold, determining that the intermediate blank is qualified, and the preset threshold is larger than 1.

In some possible implementations, determining whether the intermediate blank is qualified according to a forming matching degree of the intermediate blank and the forming ring forging includes: and when the forming matching degree corresponding to each second height interval and the forming matching degree of the intermediate blank and the forming ring forging are all larger than 1 and smaller than a preset threshold, determining that the intermediate blank is qualified, and the preset threshold is larger than 1.

In some possible implementations, determining whether the intermediate blank is qualified according to a forming matching degree of the intermediate blank and the forming ring forging includes: and when the forming matching degree corresponding to each first height interval, the forming matching degree corresponding to each second height interval and the forming matching degree of the intermediate blank and the forming ring forging are all larger than 1 and smaller than a preset threshold, determining that the intermediate blank is qualified, and the preset threshold is larger than 1.

In some possible implementations, determining whether the intermediate blank is qualified according to a forming matching degree of the intermediate blank and the forming ring forging includes: drawing first forming matching degree curves corresponding to all first height intervals by taking the height as an abscissa and the forming matching degree as an ordinate, wherein the area of a region above the straight line with the ordinate of 1 is positive, and the area of a region below the straight line with the ordinate of 1 is negative in a region surrounded by the first forming matching degree curves and the straight line with the ordinate of 1; and when the sum of the areas of any two adjacent areas is larger than 0 and the sum of the areas of any three adjacent areas is smaller than 0 in the area surrounded by the first forming matching degree curve and the straight line with the vertical coordinate of 1, determining that the intermediate blank is qualified.

In some possible implementations, determining whether the intermediate blank is qualified according to a forming matching degree of the intermediate blank and the forming ring forging includes: drawing second forming matching degree curves corresponding to all second height intervals by taking the height as an abscissa and the forming matching degree as an ordinate, wherein the area of a region above the straight line with the ordinate of 1 is positive, and the area of a region below the straight line with the ordinate of 1 is negative in a region surrounded by the second forming matching degree curves and the straight line with the ordinate of 1; and when the sum of the areas of any two adjacent areas is larger than 0 and the sum of the areas of any three adjacent areas is smaller than 0 in the area surrounded by the second forming matching degree curve and the straight line with the vertical coordinate of 1, determining that the intermediate blank is qualified.

In some possible implementations, the method further includes: and correcting the intermediate blank according to the forming matching degree of the intermediate blank and the forming ring forging.

In some possible implementations, the method further includes: and correcting parameters of the rolling equipment or the ring rolling equipment according to the forming matching degree of the intermediate blank and the forming ring forging.

According to a second aspect of the present disclosure, there is provided a quantitative evaluation device of forming matching degree of an intermediate blank and an annular forging, the device comprising: the device comprises an acquisition unit, a segmentation unit, a division unit and a determination unit.

The device comprises an acquisition unit, a forming unit and a processing unit, wherein the acquisition unit is used for acquiring a first image of an intermediate blank and a second image of a formed ring forging, the shooting visual angles and the sizes of the first image and the second image are the same, and the intermediate blank is a target blank obtained by rolling an initial blank through rolling equipment or an initial ring forging obtained by ring rolling the target blank through ring rolling equipment.

The segmentation unit is used for carrying out image segmentation on the first image to obtain a first area where the intermediate blank is located in the first image.

The segmentation unit is also used for carrying out image segmentation on the second image to obtain a second area where the formed ring forging is located in the second image.

The dividing unit is used for dividing the first area and the second area into at least two first height sections respectively by taking the first preset height as a unit height.

And the determining unit is used for determining the forming matching degree corresponding to each first height interval according to the area ratio of the first area to the second area in each first height interval.

The obtaining unit is further used for obtaining the average value of the forming matching degrees corresponding to all the first height intervals to obtain the first forming matching degrees of the intermediate blank and the forming ring forging.

And the determining unit is also used for determining the forming matching degree of the intermediate blank and the forming ring forging according to the first forming matching degree.

Optionally, the acquiring unit is further configured to: acquiring a first three-dimensional point cloud of the intermediate blank and a second three-dimensional point cloud of the formed ring forging; the division unit is also used for: dividing the first three-dimensional point cloud and the second three-dimensional point cloud into at least two second height sections by taking the second preset height as a unit height; the determining unit is further used for: determining the forming matching degree corresponding to each second height interval according to the volume ratio of the first three-dimensional point cloud to the second three-dimensional point cloud in each second height interval; the determining unit is specifically configured to: and determining the forming matching degree of the intermediate blank and the forming ring forging according to the average value of the first forming matching degree and the second forming matching degree.

Optionally, the acquiring unit is further configured to: acquiring three-dimensional data of the intermediate blank and three-dimensional data of the formed ring forging according to the first three-dimensional point cloud and the second three-dimensional point cloud; the determining unit is further used for: determining the volume compensation rate of the intermediate blank according to the three-dimensional data of the intermediate blank and the three-dimensional data of the formed ring forging; the determining unit is further used for: determining a third forming matching degree of the intermediate blank and the forming ring forging according to the volume compensation rate of the intermediate blank; the determining unit is specifically configured to: obtaining an average value of the first forming matching degree and the second forming matching degree to obtain a first comprehensive forming matching degree; and determining the average value of the first comprehensive forming matching degree and the third forming matching degree to obtain the forming matching degree of the intermediate blank and the forming ring forging.

Optionally, the determining unit is specifically configured to: acquiring first forming matching degrees respectively corresponding to at least two different shooting visual angles; and determining the forming matching degree of the intermediate blank and the forming ring forging according to the average value of the first forming matching degrees respectively corresponding to at least two different shooting visual angles.

Optionally, the judging unit is used for judging whether the intermediate blank is qualified according to the forming matching degree of the intermediate blank and the forming ring forging.

Optionally, the judging unit is specifically configured to: and when the forming matching degree corresponding to each first height interval and the forming matching degree of the intermediate blank and the forming ring forging are all larger than 1 and smaller than a preset threshold, determining that the intermediate blank is qualified, and the preset threshold is larger than 1.

Optionally, the judging unit is specifically configured to: and when the forming matching degree corresponding to each second height interval and the forming matching degree of the intermediate blank and the forming ring forging are all larger than 1 and smaller than a preset threshold, determining that the intermediate blank is qualified, and the preset threshold is larger than 1.

Optionally, the judging unit is specifically configured to: and when the forming matching degree corresponding to each first height interval, the forming matching degree corresponding to each second height interval and the forming matching degree of the intermediate blank and the forming ring forging are all larger than 1 and smaller than a preset threshold, determining that the intermediate blank is qualified, and the preset threshold is larger than 1.

Optionally, the judging unit is specifically configured to: drawing first forming matching degree curves corresponding to all first height intervals by taking the height as an abscissa and the forming matching degree as an ordinate, wherein the area of a region above the straight line with the ordinate of 1 is positive, and the area of a region below the straight line with the ordinate of 1 is negative in a region surrounded by the first forming matching degree curves and the straight line with the ordinate of 1; and when the sum of the areas of any two adjacent areas is larger than 0 and the sum of the areas of any three adjacent areas is smaller than 0 in the area surrounded by the first forming matching degree curve and the straight line with the vertical coordinate of 1, determining that the intermediate blank is qualified.

Optionally, the judging unit is specifically configured to: drawing second forming matching degree curves corresponding to all second height intervals by taking the height as an abscissa and the forming matching degree as an ordinate, wherein the area of a region above the straight line with the ordinate of 1 is positive, and the area of a region below the straight line with the ordinate of 1 is negative in a region surrounded by the second forming matching degree curves and the straight line with the ordinate of 1; and when the sum of the areas of any two adjacent areas is larger than 0 and the sum of the areas of any three adjacent areas is smaller than 0 in the area surrounded by the second forming matching degree curve and the straight line with the vertical coordinate of 1, determining that the intermediate blank is qualified.

Optionally, the correction unit is used for correcting the intermediate blank according to the forming matching degree of the intermediate blank and the forming ring forging.

Optionally, the correction unit is further configured to: and correcting parameters of the rolling equipment or the ring rolling equipment according to the forming matching degree of the intermediate blank and the forming ring forging.

According to a third aspect of the present disclosure, there is provided an electronic device comprising: at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform a method as in the first aspect.

According to a fourth aspect of the present disclosure, there is provided a non-transitory computer readable storage medium storing computer instructions for causing a computer to perform the method according to the first aspect.

According to a fifth aspect of the present disclosure, there is provided a computer program product comprising a computer program which, when executed by a processor, implements the method according to the first aspect.

It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the disclosure, nor is it intended to be used to limit the scope of the disclosure. Other features of the present disclosure will become apparent from the following specification.

Drawings

The drawings are for a better understanding of the present solution and are not to be construed as limiting the present disclosure. Wherein:

fig. 1 is a flow chart of a quantitative evaluation method for forming matching degree of an intermediate blank and a ring forging provided in an embodiment of the disclosure;

FIG. 2 is another flow chart of a method for quantitatively evaluating the forming matching degree of an intermediate blank and a ring forging according to an embodiment of the present disclosure;

FIG. 3 is a schematic flow chart of a method for quantitatively evaluating the forming matching degree of an intermediate blank and a ring forging according to an embodiment of the present disclosure;

FIG. 4 is a schematic flow chart of one implementation of S107 in FIG. 1 according to an embodiment of the disclosure;

FIG. 5 is a schematic flow chart of a method for quantitatively evaluating the forming matching degree of an intermediate blank and a ring forging according to an embodiment of the present disclosure;

FIG. 6 is a schematic flow chart of a method for quantitatively evaluating the forming matching degree of an intermediate blank and a ring forging according to an embodiment of the present disclosure;

FIG. 7 is a schematic diagram of a quantitative evaluation device for forming matching degree of an intermediate blank and a ring forging according to an embodiment of the present disclosure;

fig. 8 is a schematic block diagram of an example electronic device 800 that may be used to implement embodiments of the present disclosure provided by embodiments of the present disclosure.

Detailed Description

Exemplary embodiments of the present disclosure are described below in conjunction with the accompanying drawings, which include various details of the embodiments of the present disclosure to facilitate understanding, and should be considered as merely exemplary. Accordingly, one of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the present disclosure. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.

It should be appreciated that in embodiments of the present disclosure, the character "/" generally indicates that the context associated object is an "or" relationship. The terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

Under the background technology, the method for quantitatively evaluating the forming matching degree of the intermediate blank and the ring forging can improve the success rate of blank processing and the forming rate of the intermediate blank.

The body of execution of the method for quantitatively evaluating the degree of matching of the intermediate blank to the ring-shaped workpiece can be a computer or a server, or can be another device with data processing capability. The subject of execution of the method is not limited herein.

In some embodiments, the server may be a single server, or may be a server cluster formed by a plurality of servers. In some implementations, the server cluster may also be a distributed cluster. The present disclosure is not limited to a specific implementation of the server.

Fig. 1 is a flow chart of a quantitative evaluation method for forming matching degree of an intermediate blank and a ring forging provided in an embodiment of the disclosure. As shown in fig. 1, the method may include S101-S107.

S101, acquiring a first image of the intermediate blank and a second image of the formed ring forging.

The shooting visual angles and the sizes of the first image and the second image are the same, and the intermediate blank is a target blank obtained by rolling the initial blank through rolling equipment or an initial ring forging obtained by ring rolling the target blank through ring rolling equipment.

The intermediate billet may be a product processed in any one of production links in processing the initial billet into a formed ring forging, such as a target billet obtained by rolling the initial billet by a rolling apparatus or an initial ring forging obtained by ring rolling the target billet by a ring rolling apparatus. The first image of the intermediate blank and the second image of the forming ring forging can be obtained in a photographing mode, photographing angles of view of photographing the intermediate blank and the forming ring forging are the same, sizes of the first image of the intermediate blank and the second image of the forming ring forging obtained through photographing are the same, for example, the sizes of the first image and the second image are 12.7 cm multiplied by 8.9 cm or the sizes of the first image and the second image are 15.2 cm multiplied by 10.2 cm.

S102, image segmentation is carried out on the first image, and a first area where the intermediate blank is located in the first image is obtained.

S103, performing image segmentation on the second image to obtain a second area where the formed ring forging is located in the second image.

The method comprises the steps that after a first image of an intermediate blank and a second image of a formed ring forging are obtained, image segmentation can be carried out on the first image through an image segmentation network, and a first area where the intermediate blank is located in the first image is obtained; and carrying out image segmentation on the second image through an image segmentation network to obtain a second area where the formed ring forging is located in the second image.

S104, dividing the first area and the second area into at least two first height sections by taking the first preset height as a unit height.

For example, after the first image and the second image are respectively segmented through the image segmentation network to obtain a first area and a second area, a height may be preset according to an actual scene requirement, and the preset height is used as a unit height to divide the first area and the second area into at least two first height sections.

Based on the above-described embodiments, for example, when the preset height is 10 mm, the height of the first region is 50 mm, and the height of the second region is 60 mm, the first region may be divided into a height section of 0-10 mm, a height section of 10-20 mm, a height section of 20-30 mm, a height section of 30-40 mm, and a height section of 40-50 mm in units of 10 mm; the first region is divided into a height section of 0-10 mm, a height section of 10-20 mm, a height section of 20-30 mm, a height section of 30-40 mm, a height section of 40-50 mm, and a height section of 50-60 mm.

S105, determining the forming matching degree corresponding to each first height interval according to the area ratio of the first area to the second area in each first height interval.

The area of the first region and the area of the second region in each first height section can be calculated after the first region and the second region are divided into a plurality of first height sections, and then the forming matching degree corresponding to each first height section is determined according to the area ratio of the first region and the second region in each first height section, namely the area ratio of the first region and the second region in each first height section is used as the forming matching degree corresponding to each first height section.

Based on the above-described embodiments, for example, when the preset height is 10 mm, the height of the first region is 50 mm, and the height of the second region is 60 mm, the first region may be divided into a height section of 0-10 mm, a height section of 10-20 mm, a height section of 20-30 mm, a height section of 30-40 mm, and a height section of 40-50 mm in units of 10 mm; the first region is divided into a height section of 0-10 mm, a height section of 10-20 mm, a height section of 20-30 mm, a height section of 30-40 mm, a height section of 40-50 mm, and a height section of 50-60 mm. The area ratio of the first area to the second area in the height interval of 0-10 mm can be calculated, the forming matching degree corresponding to the height interval of 0-10 mm is determined, the area ratio of the first area to the second area in the height interval of 10-20 mm is calculated, the forming matching degree corresponding to the height interval of 10-20 mm is determined, and the forming matching degree corresponding to each first height interval is calculated in sequence.

S106, obtaining an average value of the forming matching degrees corresponding to all the first height intervals, and obtaining the first forming matching degrees of the intermediate blank and the forming ring forging.

And S107, determining the forming matching degree of the intermediate blank and the forming ring forging according to the first forming matching degree.

In an exemplary embodiment, after the forming matching degrees corresponding to all the first height sections are calculated, an average value of the forming matching degrees corresponding to all the first height sections is calculated, the calculated average value of the forming matching degrees corresponding to all the first height sections is used as the first forming matching degree of the intermediate blank and the forming ring forging, and the first forming matching degree of the intermediate blank and the forming ring forging is used as the forming matching degree of the intermediate blank and the forming ring forging.

Based on the above embodiment, for example, when 5 first height sections are divided, and the forming matching degrees corresponding to the 5 first height sections are 1.02, 1.05, 1.12, 1.08, and 1.15, respectively, the average value of the forming matching degrees corresponding to all the first height sections can be calculated to be 1.084, and the first forming matching degree of the intermediate blank and the forming ring forging can be obtained to be 1.084, that is, the forming matching degree of the intermediate blank and the forming ring forging is 1.084.

According to the method, the first image of the intermediate blank and the second image of the formed ring forging are obtained, and the first image is subjected to image segmentation to obtain a first area where the intermediate blank is located in the first image; image segmentation is carried out on the second image, and a second area where the formed ring forging is located in the second image is obtained; dividing the first area and the second area into at least two first height sections by taking the first preset height as a unit height; determining the forming matching degree corresponding to each first height interval according to the area ratio of the first area to the second area in each first height interval; obtaining an average value of forming matching degrees corresponding to all the first height intervals to obtain first forming matching degrees of the intermediate blank and the forming ring forging; according to the first forming matching degree, the forming matching degree of the intermediate blank and the forming ring forging is determined, the forming matching degree of the intermediate blank and the forming ring forging can be determined according to the area ratio of the first area to the second area in each first height interval, and the forming matching degree of the intermediate blank and the forming ring forging is evaluated in the production process of the ring forging, so that the success rate of blank processing is improved, the forming rate of the intermediate blank is improved, the rationality and the feasibility of a process strategy are analyzed and evaluated, repeated overlapping optimization is carried out with experimental verification, and the technical maturity and the application effect of the numerical simulation technology of ring forging forming are further improved.

Fig. 2 is another flow chart of a quantitative evaluation method for forming matching degree of an intermediate blank and a ring forging according to an embodiment of the disclosure. As shown in fig. 2, the method may include S201-S205.

S201, acquiring a first three-dimensional point cloud of the intermediate blank and a second three-dimensional point cloud of the formed ring forging.

For example, the intermediate blank and the shaped ring forging may be scanned by a three-dimensional laser scanner, respectively, to obtain a first three-dimensional point cloud of the intermediate blank and a second three-dimensional point cloud of the shaped ring forging.

S202, respectively dividing the first three-dimensional point cloud and the second three-dimensional point cloud into at least two second height sections by taking the second preset height as a unit height.

For example, after the first three-dimensional point cloud of the intermediate blank and the second three-dimensional point cloud of the formed ring forging are obtained, a height may be preset according to actual scene requirements, and the preset height is used as a unit height to divide the first three-dimensional point cloud and the second three-dimensional point cloud into at least two first height sections.

S203, determining the forming matching degree corresponding to each second height interval according to the volume ratio of the first three-dimensional point cloud to the second three-dimensional point cloud in each second height interval.

S204, obtaining an average value of the forming matching degrees corresponding to all the second height intervals, and obtaining second forming matching degrees of the intermediate blank and the forming ring forging.

S205, determining the forming matching degree of the intermediate blank and the forming ring forging according to the average value of the first forming matching degree and the second forming matching degree.

The first three-dimensional point cloud and the second three-dimensional point cloud are divided into at least two second height intervals by taking the second preset height as a unit height, and then the volumes of the first three-dimensional point cloud and the second three-dimensional point cloud in each second height interval can be calculated, so that the volume ratio of the first three-dimensional point cloud and the second three-dimensional point cloud in each second height interval is calculated, and the calculated volume ratio of the first three-dimensional point cloud and the second three-dimensional point cloud in each second height interval is taken as the corresponding forming matching degree of each second height interval. Calculating the average value of the forming matching degrees corresponding to all the second height sections, taking the average value of the forming matching degrees corresponding to all the second height sections as the second forming matching degrees of the intermediate blank and the forming ring forging, calculating the average value of the first forming matching degrees and the second forming matching degrees, and taking the average value of the first forming matching degrees and the second forming matching degrees as the forming matching degrees of the intermediate blank and the forming ring forging.

According to the embodiment, the first three-dimensional point cloud of the intermediate blank and the second three-dimensional point cloud of the formed ring forging are obtained; dividing the first three-dimensional point cloud and the second three-dimensional point cloud into at least two second height sections by taking the second preset height as a unit height; determining the forming matching degree corresponding to each second height interval according to the volume ratio of the first three-dimensional point cloud to the second three-dimensional point cloud in each second height interval; obtaining an average value of forming matching degrees corresponding to all the second height intervals to obtain second forming matching degrees of the intermediate blank and the forming ring forging; and determining the forming matching degree of the intermediate blank and the forming ring forging according to the average value of the first forming matching degree and the second forming matching degree. The second forming matching degree of the intermediate blank and the formed ring forging can be determined according to the volume ratio of the first three-dimensional point cloud to the second three-dimensional point cloud in each second height interval, the average value of the first forming matching degree and the second forming matching degree is used as the forming matching degree of the intermediate blank and the formed ring forging, the forming matching degree of the intermediate blank and the formed ring forging is evaluated in the production process of the ring forging, so that the success rate of blank processing is improved, the forming rate of the intermediate blank is improved, the rationality and the feasibility of a technological strategy are analyzed and evaluated, repeated stack optimization is carried out with experimental verification, and the technical maturity and the application effect of the numerical simulation technology of ring forging forming are further improved.

Fig. 3 is a schematic flow chart of a method for quantitatively evaluating the forming matching degree of an intermediate blank and a ring forging according to an embodiment of the disclosure. As shown in fig. 3, the method may include S301-S305.

S301, acquiring three-dimensional data of the intermediate blank and three-dimensional data of the formed ring forging according to the first three-dimensional point cloud and the second three-dimensional point cloud.

For example, three-dimensional data of the intermediate blank and three-dimensional data of the formed ring forging, which may be length, width, height, volume, etc., may be obtained from the first three-dimensional point cloud and the second three-dimensional point cloud.

S302, determining the volume compensation rate of the intermediate blank according to the three-dimensional data of the intermediate blank and the three-dimensional data of the formed ring forging.

The volume compensation rate of the intermediate blank can be determined according to the three-dimensional data of the intermediate blank and the three-dimensional data of the formed ring forging, taking the three-dimensional data as an example, the volume of the intermediate blank is equivalent to the volume of the blank in the actual production process, the volume of the formed ring forging is equivalent to the volume of the standard ring forging, the first difference value between the volume of the intermediate blank and the volume of the formed ring forging can be calculated first, the ratio of the first difference value to the volume of the formed ring forging can be calculated, the obtained ratio is taken as the volume compensation rate of the intermediate blank, and the specific calculation mode of the volume compensation rate of the intermediate blank can be adjusted according to the actual scene requirement without limitation.

Based on the above-described embodiment, for example, when the volume of the intermediate billet is calculated to be 80 cubic centimeters and the volume of the formed ring forging is calculated to be 75 cubic centimeters, the volume compensation rate of the intermediate billet can be calculated to be 7% from (volume of intermediate billet-volume of formed ring forging)/volume of formed ring forging.

S303, determining a third forming matching degree of the intermediate blank and the forming ring forging according to the volume compensation rate of the intermediate blank.

S304, obtaining an average value of the first forming matching degree and the second forming matching degree to obtain a first comprehensive forming matching degree.

And S305, determining an average value of the first comprehensive forming matching degree and the third forming matching degree to obtain the forming matching degree of the intermediate blank and the forming ring forging.

Illustratively, after calculating the volume compensation rate of the intermediate billet, adding 1 to the volume compensation rate of the intermediate billet to obtain a third forming match of the intermediate billet and the formed ring forging. And (3) obtaining the average value of the first forming matching degree and the second forming matching degree obtained in the step (S205), taking the average value of the first forming matching degree and the second forming matching degree as a first comprehensive forming matching degree, calculating the average value of the first comprehensive forming matching degree and a third forming matching degree, and taking the average value of the first comprehensive forming matching degree and the third forming matching degree as the forming matching degree of the intermediate blank and the forming ring forging.

According to the embodiment, three-dimensional data of the intermediate blank and three-dimensional data of the formed ring forging are obtained according to the first three-dimensional point cloud and the second three-dimensional point cloud; determining the volume compensation rate of the intermediate blank according to the three-dimensional data of the intermediate blank and the three-dimensional data of the formed ring forging; determining a third forming matching degree of the intermediate blank and the forming ring forging according to the volume compensation rate of the intermediate blank; obtaining an average value of the first forming matching degree and the second forming matching degree to obtain a first comprehensive forming matching degree; and determining the average value of the first comprehensive forming matching degree and the third forming matching degree to obtain the forming matching degree of the intermediate blank and the forming ring forging. The volume compensation rate of the intermediate blank can be determined through the three-dimensional data of the intermediate blank and the three-dimensional data of the formed ring forging, the third forming matching degree of the intermediate blank and the formed ring forging is determined according to the volume compensation rate of the intermediate blank, the forming matching degree of the intermediate blank and the formed ring forging is obtained by combining the first comprehensive forming matching degree, the flexibility and the richness of determining the forming matching degree of the intermediate blank and the formed ring forging are increased, the success rate of blank processing is improved, the forming rate of the intermediate blank is improved, and data support is provided for repeated stack optimization with experimental verification and for subsequent analysis and evaluation of rationality and feasibility of process strategies and improvement of the technical maturity and application effect of the numerical simulation technology of ring forging forming.

Alternatively, the second forming matching degree of the intermediate blank and the forming ring forging may be used as the forming matching degree of the intermediate blank and the forming ring forging, or the third forming matching degree of the intermediate blank and the forming ring forging may be used as the forming matching degree of the intermediate blank and the forming ring forging, or the second forming matching degree and the third forming matching degree of the intermediate blank and the forming ring forging may be used as the forming matching degree of the intermediate blank and the forming ring forging.

Fig. 4 is a schematic flowchart of an implementation of S107 in fig. 1 provided in an embodiment of the disclosure. As shown in fig. 4, S107 shown in fig. 1 may include S401-S402.

S401, acquiring first forming matching degrees corresponding to at least two different shooting visual angles respectively.

S402, determining the forming matching degree of the intermediate blank and the forming ring forging according to the average value of the first forming matching degrees respectively corresponding to at least two different shooting visual angles.

The method comprises the steps of taking images of an intermediate blank and a forming ring forging from different view angles, obtaining images of the intermediate blank and images of the forming ring forging, which correspond to the at least two different view angles, obtaining first forming matching degrees, which correspond to the at least two different view angles, through the images of the intermediate blank and the images of the forming ring forging, which correspond to the at least two different view angles, respectively, calculating average values of the first forming matching degrees, which correspond to the at least two different view angles, respectively, and obtaining the average value of the first forming matching degrees, which correspond to the at least two different view angles, of the intermediate blank and the forming matching degrees of the forming ring forging, which correspond to the at least two different view angles, respectively.

Based on the above embodiment, for example, when the first forming matching degree corresponding to the first shooting angle of view is 1.02, the first forming matching degree corresponding to the second shooting angle of view is 1.05, and the first forming matching degree corresponding to the third shooting angle of view is 1.06, the average value of the first forming matching degrees corresponding to the three shooting angles of view is 1.04, and at this time, the forming matching degree of the intermediate blank and the forming ring forging is 1.04.

In the embodiment, the first forming matching degree corresponding to at least two different shooting visual angles is obtained; and determining the forming matching degree of the intermediate blank and the forming ring forging according to the average value of the first forming matching degrees respectively corresponding to at least two different shooting visual angles. The forming matching degree of the intermediate blank and the forming ring forging can be determined through the first forming matching degree respectively corresponding to a plurality of different shooting visual angles, and the accuracy of the forming matching degree of the intermediate blank and the forming ring forging is improved.

In some embodiments, the method may further include: and judging whether the intermediate blank is qualified or not according to the forming matching degree of the intermediate blank and the forming ring forging.

Illustratively, after the forming matching degree of the intermediate blank and the forming ring forging is obtained, whether the intermediate blank is qualified or not can be judged according to the forming matching degree of the intermediate blank and the forming ring forging.

Alternatively, whether the intermediate blank is qualified or not may be determined according to the volume compensation rate of the intermediate blank, and when the volume compensation rate of the intermediate blank is within a preset range, the intermediate blank is determined to be qualified, and when the volume compensation rate of the intermediate blank is not within the preset range, the intermediate blank is determined to be unqualified.

According to the method, whether the intermediate blank is qualified or not is judged according to the forming matching degree of the intermediate blank and the forming ring forging, unqualified intermediate blanks can be screened, and corresponding adjustment is timely carried out on the screened unqualified intermediate blanks, so that the success rate of blank processing is improved, and the forming rate of the intermediate blank is improved.

In some embodiments, the determining whether the intermediate blank is qualified according to the forming matching degree of the intermediate blank and the forming ring forging may include: and when the forming matching degree corresponding to each first height interval and the forming matching degree of the intermediate blank and the forming ring forging are all larger than 1 and smaller than a preset threshold, determining that the intermediate blank is qualified, and the preset threshold is larger than 1.

The step S105 is to determine whether the intermediate blank is qualified or not by the forming matching degree corresponding to each first height section, the forming matching degree of the intermediate blank and the forming ring forging, and determine that the intermediate blank is qualified when the forming matching degree corresponding to each first height section, the forming matching degree of the intermediate blank and the forming ring forging are both greater than 1 and smaller than a preset threshold, and determine that the intermediate blank is unqualified when any one value of the forming matching degree corresponding to each first height section, the forming matching degree of the intermediate blank and the forming ring forging is smaller than 1 or larger than the preset threshold. Whether the intermediate blank is qualified or not can also be judged by the forming matching degree corresponding to each first height interval determined in the step S105, when the forming matching degree corresponding to each first height interval is greater than 1 and smaller than a preset threshold value, the intermediate blank is determined to be qualified, and when the forming matching degree corresponding to each first height interval is smaller than 1 or larger than the preset threshold value, the intermediate blank is determined to be unqualified. Whether the intermediate blank is qualified or not can also be judged through the forming matching degree of the intermediate blank and the forming ring forging, when the forming matching degree of the intermediate blank and the forming ring forging is larger than 1 and smaller than a preset threshold value, the intermediate blank is determined to be qualified, and when the forming matching degree of the intermediate blank and the forming ring forging is smaller than 1 or larger than the preset threshold value, the intermediate blank is determined to be unqualified.

Based on the above embodiment, for example, when the preset threshold is 1.2, the forming matching degree corresponding to each first height interval, the forming matching degree of the intermediate blank and the forming ring forging are all greater than 1 and less than 1.2, the intermediate blank is determined to be qualified, and when any one value of the forming matching degree corresponding to each first height interval, the forming matching degree of the intermediate blank and the forming ring forging is less than 1 or greater than 1.2, the intermediate blank is determined to be unqualified.

According to the embodiment, when the forming matching degree corresponding to each first height interval and the forming matching degree of the intermediate blank and the forming ring forging are all larger than 1 and smaller than the preset threshold, the intermediate blank is determined to be qualified, a specific mode of judging whether the intermediate blank is qualified or not by utilizing the forming matching degree corresponding to each first height interval and the forming matching degree of the intermediate blank and the forming ring forging is provided, whether the intermediate blank is qualified or not can be judged in the production and processing process, unqualified intermediate blanks are screened out, and the forming rate of the intermediate blank is improved.

In some embodiments, the determining whether the intermediate blank is qualified according to the forming matching degree of the intermediate blank and the forming ring forging may include: and when the forming matching degree corresponding to each second height interval and the forming matching degree of the intermediate blank and the forming ring forging are all larger than 1 and smaller than a preset threshold, determining that the intermediate blank is qualified, and the preset threshold is larger than 1.

The step S203 may be implemented by determining whether the intermediate blank is qualified according to the forming matching degree corresponding to each second height interval, the forming matching degree of the intermediate blank and the forming ring forging, and determining that the intermediate blank is qualified when the forming matching degree corresponding to each second height interval, the forming matching degree of the intermediate blank and the forming ring forging are both greater than 1 and smaller than a preset threshold, and determining that the intermediate blank is unqualified when any one value of the forming matching degree corresponding to each second height interval, the forming matching degree of the intermediate blank and the forming ring forging is smaller than 1 or larger than the preset threshold, and the preset threshold is larger than 1. Whether the intermediate blank is qualified or not can also be judged by the forming matching degree corresponding to each second height interval determined in the step S203, when the forming matching degree corresponding to each second height interval is greater than 1 and smaller than a preset threshold value, the intermediate blank is determined to be qualified, and when the forming matching degree corresponding to each second height interval is smaller than 1 or larger than the preset threshold value, the intermediate blank is determined to be unqualified. Whether the intermediate blank is qualified or not can also be judged through the forming matching degree of the intermediate blank and the forming ring forging, when the forming matching degree of the intermediate blank and the forming ring forging is larger than 1 and smaller than a preset threshold value, the intermediate blank is determined to be qualified, and when the forming matching degree of the intermediate blank and the forming ring forging is smaller than 1 or larger than the preset threshold value, the intermediate blank is determined to be unqualified.

According to the embodiment, when the forming matching degree corresponding to each second height interval and the forming matching degree of the intermediate blank and the forming ring forging are all larger than 1 and smaller than the preset threshold, the intermediate blank is determined to be qualified, a specific mode of judging whether the intermediate blank is qualified or not by utilizing the forming matching degree corresponding to each second height interval and the forming matching degree of the intermediate blank and the forming ring forging is provided, whether the intermediate blank is qualified or not can be judged in the production and processing process, unqualified intermediate blanks are screened out, the forming rate of the intermediate blank is improved, and the flexibility of the mode of judging whether the intermediate blank is qualified or not is increased.

In some embodiments, the determining whether the intermediate blank is qualified according to the forming matching degree of the intermediate blank and the forming ring forging may include: and when the forming matching degree corresponding to each first height interval, the forming matching degree corresponding to each second height interval and the forming matching degree of the intermediate blank and the forming ring forging are all larger than 1 and smaller than a preset threshold, determining that the intermediate blank is qualified, and the preset threshold is larger than 1.

By way of example, whether the intermediate blank is qualified or not may be determined by the forming matching degree corresponding to each first height section determined in S105 and the forming matching degree corresponding to each second height section determined in S203. And when any one value of the forming matching degree corresponding to each first height interval, the forming matching degree corresponding to each second height interval, the forming matching degree of the intermediate blank and the forming ring forging is smaller than 1 or larger than a preset threshold value, determining that the intermediate blank is unqualified.

According to the embodiment, when the forming matching degree corresponding to each first height interval, the forming matching degree corresponding to each second height interval and the forming matching degree of the intermediate blank and the forming ring forging are all larger than 1 and smaller than a preset threshold, the intermediate blank is determined to be qualified, a specific mode of judging whether the intermediate blank is qualified or not by combining the forming matching degree corresponding to each first height interval, the forming matching degree corresponding to each second height interval and the forming matching degree of the intermediate blank and the forming ring forging is provided, the accuracy of judging whether the intermediate blank is qualified or not is further improved, unqualified intermediate blanks are screened, the forming rate of the intermediate blank is improved, and the flexibility of judging whether the intermediate blank is qualified or not is increased.

Fig. 5 is a schematic flow chart of a method for quantitatively evaluating the forming matching degree of an intermediate blank and a ring forging according to an embodiment of the disclosure. As shown in fig. 5, the method may include S501-S502.

S501, drawing first forming matching degree curves corresponding to all first height intervals by taking the height as an abscissa and the forming matching degree as an ordinate.

Wherein, in the area surrounded by the first forming matching degree curve and the straight line with the vertical coordinate of 1, the area of the area above the straight line with the vertical coordinate of 1 is positive, and the area of the area below the straight line with the vertical coordinate of 1 is negative.

S502, determining that the intermediate blank is qualified when the sum of the areas of any two adjacent areas is larger than 0 and the sum of the areas of any three adjacent areas is smaller than 0 in the area surrounded by the first forming matching degree curve and the straight line with the vertical coordinate of 1.

For example, the first profile matching curves corresponding to all the first height sections may be plotted with the height as the abscissa and the profile matching as the ordinate, the first profile matching curves may enclose a plurality of areas with the straight line of the ordinate 1, the area of the area above the straight line of the ordinate 1 is positive, and the area of the area below the straight line of the ordinate 1 is negative. And determining that the intermediate blank is qualified when the sum of the areas of any two adjacent areas is larger than 0 and the sum of the areas of any three adjacent areas is smaller than 0 in the area surrounded by the first forming matching degree curve and the straight line with the vertical coordinate of 1, and determining that the intermediate blank is unqualified when the sum of the areas of any two adjacent areas is smaller than 0 and the sum of the areas of any three adjacent areas is larger than 0 in the area surrounded by the first forming matching degree curve and the straight line with the vertical coordinate of 1.

Based on the above-described embodiment, for example, when the area surrounded by the first forming matching degree curve and the straight line with the ordinate of 1 is the area a, the area b, the area c, the area d in the direction from small to large from the abscissa, and the area a and the area c are above the straight line with the ordinate of 1, and the area b and the area d are below the straight line with the ordinate of 1, the intermediate blank may be determined to be qualified when the area of the area a is larger than the area of the area b, and the sum of the areas of the area b and the area d is larger than the area of the area c.

According to the embodiment, the first forming matching degree curves corresponding to all the first height intervals are drawn by taking the height as the abscissa and the forming matching degree as the ordinate, when the sum of the areas of any two adjacent areas is larger than 0 in the area surrounded by the first forming matching degree curves and the straight line with the ordinate being 1, and the sum of the areas of any three adjacent areas is smaller than 0, the intermediate blank is determined to be qualified, a specific mode of judging whether the intermediate blank is qualified or not through the first forming matching degree curves is provided, the flexibility of a mode of judging whether the intermediate blank is qualified or not is further improved, unqualified intermediate blanks can be screened, and the forming rate of the intermediate blank is improved.

Fig. 6 is a schematic flow chart of a method for quantitatively evaluating the forming matching degree of an intermediate blank and a ring forging according to an embodiment of the disclosure. As shown in fig. 6, the method may include S601-S602.

S601, drawing second forming matching degree curves corresponding to all second height sections by taking the height as an abscissa and the forming matching degree as an ordinate.

Wherein, in the area surrounded by the second forming matching degree curve and the straight line with the vertical coordinate of 1, the area of the area above the straight line with the vertical coordinate of 1 is positive, and the area of the area below the straight line with the vertical coordinate of 1 is negative.

S602, determining that the intermediate blank is qualified when the sum of the areas of any two adjacent areas is larger than 0 and the sum of the areas of any three adjacent areas is smaller than 0 in the area surrounded by the second forming matching degree curve and the straight line with the vertical coordinate of 1.

For example, the second profile matching curves corresponding to all the second height sections may be plotted with the height as the abscissa and the profile matching as the ordinate, the second profile matching curves may enclose a plurality of areas with the straight line of the ordinate 1, the area of the area above the straight line of the ordinate 1 is positive, and the area of the area below the straight line of the ordinate 1 is negative. And determining that the intermediate blank is qualified when the sum of the areas of any two adjacent areas is larger than 0 and the sum of the areas of any three adjacent areas is smaller than 0 in the area surrounded by the second forming matching degree curve and the straight line with the vertical coordinate of 1, and determining that the intermediate blank is unqualified when the sum of the areas of any two adjacent areas is smaller than 0 and the sum of the areas of any three adjacent areas is larger than 0 in the area surrounded by the second forming matching degree curve and the straight line with the vertical coordinate of 1.

According to the method, the second forming matching degree curves corresponding to all second height intervals are drawn by taking the height as an abscissa and the forming matching degree as an ordinate, when the sum of the areas of any two adjacent areas is larger than 0 in the area surrounded by the second forming matching degree curves and the straight line with the ordinate being 1 and the sum of the areas of any three adjacent areas is smaller than 0, the intermediate blank is determined to be qualified, a specific mode of judging whether the intermediate blank is qualified or not through the second forming matching degree curves is provided, the flexibility and the richness of a mode of judging whether the intermediate blank is qualified or not are further increased, unqualified intermediate blanks can be screened out, the forming rate of the intermediate blank is improved, and data support is provided for the follow-up analysis and evaluation of rationality and feasibility of process strategies, repeated overlapping optimization with experimental verification, and improvement of the technical maturity and application effects of a ring forging forming numerical simulation technology.

Alternatively, the first and second forming matching degree curves may be combined to determine whether the intermediate blank is acceptable. And when the sum of the areas of any two adjacent areas is larger than 0 and the sum of the areas of any three adjacent areas is smaller than 0 in the area surrounded by the first forming matching degree curve and the straight line with the vertical coordinate of 1, and when the sum of the areas of any two adjacent areas is larger than 0 and the sum of the areas of any three adjacent areas is smaller than 0 in the area surrounded by the second forming matching degree curve and the straight line with the vertical coordinate of 1, determining that the intermediate blank is qualified.

In some embodiments, the method may further include: and correcting the intermediate blank according to the forming matching degree of the intermediate blank and the forming ring forging.

For example, after the forming match of the intermediate blank and the forming ring forging is determined, the intermediate blank may be corrected based on the forming match of the intermediate blank and the forming ring forging, for example, an intermediate blank having a lower forming match with the forming ring forging may be inspected to find out the factor causing the lower forming match to correct it. For example, it is verified that the intermediate blank has a low forming matching degree due to a small inner diameter, and the inner diameter of the intermediate blank can be enlarged to improve the forming rate of the intermediate blank.

According to the embodiment, the middle blank is corrected according to the forming matching degree of the middle blank and the formed ring forging, and the middle blank with lower forming matching degree with the formed ring forging can be corrected in the production process of the ring forging, so that the success rate of blank processing of the ring forging is improved.

In some embodiments, the method may further include: and correcting parameters of the rolling equipment or the ring rolling equipment according to the forming matching degree of the intermediate blank and the forming ring forging.

For example, after the forming match of the intermediate blank and the forming ring forging is determined, parameters of the rolling apparatus or the ring rolling apparatus may be corrected according to the forming match of the intermediate blank and the forming ring forging. For example, when the forming matching degree of the intermediate blank after rolling and the forming ring forging is detected to be generally low, the parameters of the rolling equipment are possibly not in accordance with the production requirements, and the parameters of the rolling equipment can be timely adjusted.

According to the method, parameters of the rolling equipment or the ring rolling equipment are corrected according to the forming matching degree of the intermediate blank and the formed ring forging, so that the influence of the equipment parameters on the production efficiency of the ring forging and the precision of the ring forging can be reduced, and the production efficiency of the ring forging and the precision of the ring forging are improved.

In an exemplary embodiment, the embodiment of the disclosure further provides a device for quantitatively evaluating the forming matching degree of the intermediate blank and the ring forging, which can be used for realizing the method for quantitatively evaluating the forming matching degree of the intermediate blank and the ring forging in the previous embodiment. Fig. 7 is a schematic composition diagram of a quantitative evaluation device for forming matching degree of an intermediate blank and a ring forging provided in an embodiment of the disclosure. As shown in fig. 7, the apparatus may include: an acquisition unit 701, a division unit 702, a division unit 703, and a determination unit 704.

The obtaining unit 701 is configured to obtain a first image of an intermediate blank and a second image of a formed ring forging, where the first image and the second image have the same shooting view angle and size, and the intermediate blank is a target blank obtained by rolling an initial blank by a rolling device or an initial ring forging obtained by ring rolling the target blank by a ring rolling device.

The dividing unit 702 is configured to perform image division on the first image to obtain a first area where the intermediate blank is located in the first image.

The dividing unit 702 is further configured to perform image division on the second image, so as to obtain a second area where the formed ring forging is located in the second image.

A dividing unit 703 for dividing the first area and the second area into at least two first height sections with the first preset height as a unit height.

And a determining unit 704, configured to determine a forming matching degree corresponding to each first height interval according to an area ratio of the first area and the second area in each first height interval.

The obtaining unit 701 is further configured to obtain an average value of the forming matching degrees corresponding to all the first height intervals, so as to obtain a first forming matching degree of the intermediate blank and the forming ring forging.

The determining unit 704 is further configured to determine a forming matching degree of the intermediate blank and the forming ring forging according to the first forming matching degree.

Optionally, the obtaining unit 701 is further configured to obtain a first three-dimensional point cloud of the intermediate blank and a second three-dimensional point cloud of the formed ring forging; the dividing unit 703 is further configured to divide the first three-dimensional point cloud and the second three-dimensional point cloud into at least two second height sections with the second preset height as a unit height; the determining unit 704 is further configured to determine a forming matching degree corresponding to each second height interval according to a volume ratio of the first three-dimensional point cloud to the second three-dimensional point cloud in each second height interval; the determining unit is specifically configured to: and determining the forming matching degree of the intermediate blank and the forming ring forging according to the average value of the first forming matching degree and the second forming matching degree.

Optionally, the obtaining unit 701 is further configured to obtain three-dimensional data of the intermediate blank and three-dimensional data of the formed ring forging according to the first three-dimensional point cloud and the second three-dimensional point cloud; a determining unit 704, configured to determine a volume compensation rate of the intermediate blank according to the three-dimensional data of the intermediate blank and the three-dimensional data of the formed ring forging; a determining unit 704, configured to determine a third forming matching degree of the intermediate blank and the forming ring forging according to the volume compensation rate of the intermediate blank; a determining unit 704, configured to obtain an average value of the first forming matching degree and the second forming matching degree, so as to obtain a first comprehensive forming matching degree; and determining the average value of the first comprehensive forming matching degree and the third forming matching degree to obtain the forming matching degree of the intermediate blank and the forming ring forging.

Optionally, the determining unit 704 is specifically configured to obtain first forming matching degrees corresponding to at least two different shooting angles respectively; and determining the forming matching degree of the intermediate blank and the forming ring forging according to the average value of the first forming matching degrees respectively corresponding to at least two different shooting visual angles.

As shown in fig. 7, the apparatus may include: and a judging unit 705.

And the judging unit 705 is used for judging whether the intermediate blank is qualified according to the forming matching degree of the intermediate blank and the forming ring forging.

Optionally, the judging unit 705 is specifically configured to determine that the intermediate blank is qualified when the forming matching degree corresponding to each first height interval, the forming matching degree of the intermediate blank and the forming ring forging are all greater than 1 and less than a preset threshold, and the preset threshold is greater than 1.

Optionally, the judging unit 705 is specifically configured to determine that the intermediate blank is qualified when the forming matching degree corresponding to each second height interval, the forming matching degree of the intermediate blank and the forming ring forging are all greater than 1 and less than a preset threshold, and the preset threshold is greater than 1.

Optionally, the judging unit 705 is specifically configured to determine that the intermediate blank is qualified when the forming matching degree corresponding to each first height interval, the forming matching degree corresponding to each second height interval, and the forming matching degree of the intermediate blank and the forming ring forging are all greater than 1 and less than a preset threshold, where the preset threshold is greater than 1.

Optionally, the determining unit 705 is specifically configured to draw, with the height as an abscissa and the forming matching degree as an ordinate, first forming matching degree curves corresponding to all first height intervals, where, in a region surrounded by the first forming matching degree curve and a straight line with the ordinate being 1, an area of a region above the straight line with the ordinate being 1 is positive, and an area of a region below the straight line with the ordinate being 1 is negative; and when the sum of the areas of any two adjacent areas is larger than 0 and the sum of the areas of any three adjacent areas is smaller than 0 in the area surrounded by the first forming matching degree curve and the straight line with the vertical coordinate of 1, determining that the intermediate blank is qualified.

Optionally, the determining unit 705 is specifically configured to draw, with the height as an abscissa and the forming matching degree as an ordinate, second forming matching degree curves corresponding to all second height intervals, where, in a region surrounded by the second forming matching degree curve and a straight line with the ordinate being 1, an area of a region above the straight line with the ordinate being 1 is positive, and an area of a region below the straight line with the ordinate being 1 is negative; and when the sum of the areas of any two adjacent areas is larger than 0 and the sum of the areas of any three adjacent areas is smaller than 0 in the area surrounded by the second forming matching degree curve and the straight line with the vertical coordinate of 1, determining that the intermediate blank is qualified.

As shown in fig. 7, the apparatus may include: and a correction unit 706.

And a correction unit 706 for correcting the intermediate blank according to the forming matching degree of the intermediate blank and the forming ring forging.

Optionally, the correction unit 706 is further configured to correct parameters of the rolling apparatus or the ring rolling apparatus according to the forming matching degree of the intermediate blank and the forming ring forging.

In the technical scheme of the disclosure, the acquisition, storage, application and the like of the related user personal information all conform to the regulations of related laws and regulations, and the public sequence is not violated.

According to embodiments of the present disclosure, the present disclosure also provides an electronic device, a readable storage medium, a computer program product.

In an exemplary embodiment, an electronic device includes: at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method as described in the above embodiments.

In an exemplary embodiment, the readable storage medium may be a non-transitory computer readable storage medium storing computer instructions for causing a computer to perform the method according to the above embodiment.

In an exemplary embodiment, the computer program product comprises a computer program which, when executed by a processor, implements the method according to the above embodiments.

Fig. 8 illustrates a schematic block diagram of an example electronic device 800 that may be used to implement embodiments of the present disclosure. Electronic devices are intended to represent various forms of digital computers, such as laptops, desktops, workstations, personal digital assistants, servers, blade servers, mainframes, and other appropriate computers. The electronic device may also represent various forms of mobile devices, such as personal digital processing, cellular telephones, smartphones, wearable devices, and other similar computing devices. The components shown herein, their connections and relationships, and their functions, are meant to be exemplary only, and are not meant to limit implementations of the disclosure described and/or claimed herein.

As shown in fig. 8, the electronic device 800 includes a computing unit 801 that can perform various appropriate actions and processes according to a computer program stored in a Read Only Memory (ROM) 802 or a computer program loaded from a storage unit 808 into a Random Access Memory (RAM) 803. In the RAM 803, various programs and data required for the operation of the electronic device 800 can also be stored. The computing unit 801, the ROM 802, and the RAM 803 are connected to each other by a bus 804. An input/output (I/O) interface 805 is also connected to the bus 804.

Various components in electronic device 800 are connected to I/O interface 805, including: an input unit 806 such as a keyboard, mouse, etc.; an output unit 807 such as various types of displays, speakers, and the like; a storage unit 808, such as a magnetic disk, optical disk, etc.; and a communication unit 809, such as a network card, modem, wireless communication transceiver, or the like. The communication unit 809 allows the electronic device 800 to exchange information/data with other devices through a computer network such as the internet and/or various telecommunication networks.

The computing unit 801 may be a variety of general and/or special purpose processing components having processing and computing capabilities. Some examples of computing unit 801 include, but are not limited to, a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), various specialized Artificial Intelligence (AI) computing chips, various computing units running machine learning model algorithms, a Digital Signal Processor (DSP), and any suitable processor, controller, microcontroller, etc. The calculation unit 801 performs the respective methods and processes described above, such as a shaping matching degree quantization evaluation method of the intermediate blank and the ring forging. For example, in some embodiments, the method of quantitatively evaluating the degree of form match of an intermediate blank to a ring forging may be implemented as a computer software program tangibly embodied on a machine-readable medium, such as the storage unit 808. In some embodiments, part or all of the computer program may be loaded and/or installed onto the electronic device 800 via the ROM 802 and/or the communication unit 809. When the computer program is loaded into RAM 803 and executed by computing unit 801, one or more steps of the intermediate billet and ring forging forming match quantitative evaluation method described above may be performed. Alternatively, in other embodiments, the computing unit 801 may be configured to perform the method of quantitatively evaluating the forming match of the intermediate blank to the ring forging in any other suitable manner (e.g., by means of firmware).

Various implementations of the systems and techniques described here above may be implemented in digital electronic circuitry, integrated circuit systems, field Programmable Gate Arrays (FPGAs), application Specific Integrated Circuits (ASICs), application Specific Standard Products (ASSPs), systems On Chip (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and/or combinations thereof. These various embodiments may include: implemented in one or more computer programs, the one or more computer programs may be executed and/or interpreted on a programmable system including at least one programmable processor, which may be a special purpose or general-purpose programmable processor, that may receive data and instructions from, and transmit data and instructions to, a storage system, at least one input device, and at least one output device.

Program code for carrying out methods of the present disclosure may be written in any combination of one or more programming languages. These program code may be provided to a processor or controller of a general purpose computer, special purpose computer, or other programmable data processing apparatus such that the program code, when executed by the processor or controller, causes the functions/operations specified in the flowchart and/or block diagram to be implemented. The program code may execute entirely on the machine, partly on the machine, as a stand-alone software package, partly on the machine and partly on a remote machine or entirely on the remote machine or server.

In the context of this disclosure, a machine-readable medium may be a tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. The machine-readable medium may be a machine-readable signal medium or a machine-readable storage medium. The machine-readable medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.

To provide for interaction with a user, the systems and techniques described here can be implemented on a computer having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to a user; and a keyboard and pointing device (e.g., a mouse or trackball) by which a user can provide input to the computer. Other kinds of devices may also be used to provide for interaction with a user; for example, feedback provided to the user may be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form, including acoustic input, speech input, or tactile input.

The systems and techniques described here can be implemented in a computing system that includes a background component (e.g., as a data server), or that includes a middleware component (e.g., an application server), or that includes a front-end component (e.g., a user computer having a graphical user interface or a web browser through which a user can interact with an implementation of the systems and techniques described here), or any combination of such background, middleware, or front-end components. The components of the system can be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: local Area Networks (LANs), wide Area Networks (WANs), and the internet.

The computer system may include a client and a server. The client and server are typically remote from each other and typically interact through a communication network. The relationship of client and server arises by virtue of computer programs running on the respective computers and having a client-server relationship to each other. The server may be a cloud server, a server of a distributed system, or a server incorporating a blockchain.

It should be appreciated that various forms of the flows shown above may be used to reorder, add, or delete steps. For example, the steps recited in the present disclosure may be performed in parallel, sequentially, or in a different order, provided that the desired results of the disclosed aspects are achieved, and are not limited herein.

The above detailed description should not be taken as limiting the scope of the present disclosure. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present disclosure are intended to be included within the scope of the present disclosure.

Claims

1. The method for quantitatively evaluating the forming matching degree of the intermediate blank and the ring forging comprises the following steps:

acquiring a first image of an intermediate blank and a second image of a formed ring forging, wherein the shooting view angles and the sizes of the first image and the second image are the same, and the intermediate blank is a target blank obtained by rolling an initial blank through rolling equipment or an initial ring forging obtained by ring rolling the target blank through ring rolling equipment;

Image segmentation is carried out on the first image to obtain a first area where the intermediate blank is located in the first image;

image segmentation is carried out on the second image to obtain a second area where the forming ring forging is located in the second image;

dividing the first area and the second area into at least two first height sections respectively by taking a first preset height as a unit height;

determining the forming matching degree corresponding to each first height interval according to the area ratio of the first area to the second area in each first height interval;

obtaining an average value of forming matching degrees corresponding to all the first height intervals to obtain first forming matching degrees of the intermediate blank and the forming ring forging;

and determining the forming matching degree of the intermediate blank and the forming ring forging according to the first forming matching degree.

2. The method of claim 1, the method further comprising:

acquiring a first three-dimensional point cloud of the intermediate blank and a second three-dimensional point cloud of the formed ring forging;

dividing the first three-dimensional point cloud and the second three-dimensional point cloud into at least two second height sections by taking a second preset height as a unit height;

Determining a forming matching degree corresponding to each second height interval according to the volume ratio of the first three-dimensional point cloud to the second three-dimensional point cloud in each second height interval;

obtaining an average value of forming matching degrees corresponding to all the second height intervals to obtain second forming matching degrees of the intermediate blank and the forming ring forging;

determining the forming matching degree of the intermediate blank and the forming ring forging according to the first forming matching degree comprises the following steps:

and determining the forming matching degree of the intermediate blank and the forming ring forging according to the average value of the first forming matching degree and the second forming matching degree.

3. The method of claim 2, the method further comprising:

acquiring three-dimensional data of the intermediate blank and three-dimensional data of the forming ring forging according to the first three-dimensional point cloud and the second three-dimensional point cloud;

determining the volume compensation rate of the intermediate blank according to the three-dimensional data of the intermediate blank and the three-dimensional data of the formed ring forging;

determining a third forming matching degree of the intermediate blank and the forming ring forging according to the volume compensation rate of the intermediate blank;

The determining the forming matching degree of the intermediate blank and the forming ring forging according to the average value of the first forming matching degree and the second forming matching degree comprises the following steps:

obtaining an average value of the first forming matching degree and the second forming matching degree to obtain a first comprehensive forming matching degree;

and determining the average value of the first comprehensive forming matching degree and the third forming matching degree to obtain the forming matching degree of the intermediate blank and the forming ring forging.

4. The method of claim 1, the determining a form match of the intermediate blank and the formed ring forging from the first form match comprising:

acquiring the first forming matching degree corresponding to at least two different shooting visual angles respectively;

and determining the forming matching degree of the intermediate blank and the forming ring forging according to the average value of the first forming matching degree respectively corresponding to the at least two different shooting visual angles.

5. The method of claim 2, the method further comprising:

and judging whether the intermediate blank is qualified or not according to the forming matching degree of the intermediate blank and the forming ring forging.

6. The method of claim 5, wherein determining whether the intermediate blank is acceptable based on a degree of forming matching of the intermediate blank and the formed ring forging comprises:

And when the forming matching degree corresponding to each first height interval, the forming matching degree of the intermediate blank and the forming ring forging are all larger than 1 and smaller than a preset threshold, determining that the intermediate blank is qualified, and the preset threshold is larger than 1.

7. The method of claim 5, wherein determining whether the intermediate blank is acceptable based on a degree of forming matching of the intermediate blank and the formed ring forging comprises:

and when the forming matching degree corresponding to each second height interval and the forming matching degree of the intermediate blank and the forming ring forging are all larger than 1 and smaller than a preset threshold, determining that the intermediate blank is qualified, wherein the preset threshold is larger than 1.

8. The method of claim 5, wherein determining whether the intermediate blank is acceptable based on a degree of forming matching of the intermediate blank and the formed ring forging comprises:

and when the forming matching degree corresponding to each first height interval, the forming matching degree corresponding to each second height interval and the forming matching degree of the intermediate blank and the forming ring forging are all larger than 1 and smaller than a preset threshold, determining that the intermediate blank is qualified, wherein the preset threshold is larger than 1.

9. The method of claim 5, wherein determining whether the intermediate blank is acceptable based on a degree of forming matching of the intermediate blank and the formed ring forging comprises:

drawing first forming matching degree curves corresponding to all the first height intervals by taking the height as an abscissa and the forming matching degree as an ordinate, wherein the area of a region above the straight line with the ordinate of 1 is positive, and the area of a region below the straight line with the ordinate of 1 is negative in a region surrounded by the first forming matching degree curves and the straight line with the ordinate of 1;

and when the sum of the areas of any two adjacent areas is larger than 0 and the sum of the areas of any three adjacent areas is smaller than 0 in the area surrounded by the first forming matching degree curve and the straight line with the vertical coordinate of 1, determining that the intermediate blank is qualified.

10. The method of claim 5, wherein determining whether the intermediate blank is acceptable based on a degree of forming matching of the intermediate blank and the formed ring forging comprises:

drawing second forming matching degree curves corresponding to all the second height sections by taking the height as an abscissa and the forming matching degree as an ordinate, wherein the area of a region above the straight line with the ordinate of 1 is positive, and the area of a region below the straight line with the ordinate of 1 is negative in a region surrounded by the second forming matching degree curves and the straight line with the ordinate of 1;

And when the sum of the areas of any two adjacent areas is larger than 0 and the sum of the areas of any three adjacent areas is smaller than 0 in the area surrounded by the second forming matching degree curve and the straight line with the vertical coordinate of 1, determining that the intermediate blank is qualified.

11. The method of any one of claims 1-10, further comprising:

and correcting the intermediate blank according to the forming matching degree of the intermediate blank and the forming ring forging.

12. The method of any one of claims 1-10, further comprising:

and correcting parameters of the rolling equipment or the ring rolling equipment according to the forming matching degree of the intermediate blank and the forming ring forging.

13. A quantitative assessment device for forming match of an intermediate blank and an annular forging, the device comprising:

the device comprises an acquisition unit, a processing unit and a processing unit, wherein the acquisition unit is used for acquiring a first image of an intermediate blank and a second image of a formed ring forging, the shooting view angles and the sizes of the first image and the second image are the same, and the intermediate blank is a target blank obtained by rolling an initial blank through rolling equipment or an initial ring forging obtained by ring rolling the target blank through ring rolling equipment;

The segmentation unit is used for carrying out image segmentation on the first image to obtain a first area where the intermediate blank is located in the first image;

the segmentation unit is further used for carrying out image segmentation on the second image to obtain a second area where the forming ring forging is located in the second image;

the dividing unit is used for dividing the first area and the second area into at least two first height sections respectively by taking a first preset height as a unit height;

the determining unit is used for determining the forming matching degree corresponding to each first height interval according to the area ratio of the first area to the second area in each first height interval;

the obtaining unit is further used for obtaining an average value of the forming matching degrees corresponding to all the first height intervals to obtain first forming matching degrees of the intermediate blank and the forming ring forging;

the determining unit is further used for determining the forming matching degree of the intermediate blank and the forming ring forging according to the first forming matching degree.

14. The apparatus of claim 13, the acquisition unit further to:

The dividing unit is further configured to:

the determining unit is further configured to:

the determining unit is specifically configured to:

15. The apparatus of claim 14, the acquisition unit further to:

the determining unit is further configured to:

The determining unit is specifically configured to:

16. The apparatus according to claim 13, the determining unit being specifically configured to:

17. The apparatus of claim 14, the apparatus further comprising:

and the judging unit is used for judging whether the intermediate blank is qualified or not according to the forming matching degree of the intermediate blank and the forming ring forging.

18. The apparatus of claim 17, the judging unit is specifically configured to:

19. The apparatus of claim 17, the judging unit is specifically configured to:

20. The apparatus of claim 17, the judging unit is specifically configured to:

21. The apparatus of claim 17, the judging unit is specifically configured to:

22. The apparatus of claim 17, the judging unit is specifically configured to:

23. The apparatus according to any one of claims 13-22, further comprising:

and the correcting unit is used for correcting the intermediate blank according to the forming matching degree of the intermediate blank and the forming ring forging.

24. The apparatus according to any of claims 13-22, the correction unit further configured to:

25. An electronic device, comprising: at least one processor; and a memory communicatively coupled to the at least one processor;

wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of any one of claims 1-12.

26. A non-transitory computer readable storage medium storing computer instructions for causing a computer to perform the method of any one of claims 1-12.

27. A computer program product comprising a computer program which, when executed by a processor, implements the method according to any of claims 1-12.