A springback compensation method, device and storage medium for stamping parts

Abstract

The present disclosure relates to a springback compensation method, device and storage medium for a stamping part. The springback compensation method for the stamping part includes: simulating and emulating the forming process of the stamping part to obtain a predicted springback result; dividing the stamping part into multiple zones according to the predicted springback result and the structure of the stamping part; and performing springback compensation in at least one forming operation corresponding to at least part of the zones. The present disclosure can enable the part to reach the ideal size at one time, without the need to repeatedly rectify the die and perform multiple springback compensations, which can reduce the die development cost and at the same time reduce the overall development cycle of the stamping part.

Description

Technical Field

[0001] The present disclosure relates to the field of stamping technology, and particularly to a method, device and storage medium for springback compensation of stamping parts. Background Art

[0002] During the stamping process of sheet materials such as automobiles, airplanes, and building exterior panels, different types of defects such as cracking, wrinkling, and springback are likely to occur. Among them, the occurrence of springback is inevitable, especially obvious in the cold forming process of lightweight high-strength sheet materials. Springback will have a serious impact on the dimensional accuracy of parts. In production practice, the method of springback compensation is usually adopted, and the springback compensation amount is made on the stamping die to compensate for the springback generated during the sheet metal forming.

[0003] In the past, the springback compensation of parts was completed manually, with continuous attempts and trial-and-error after the parts were formed. With the application of software simulation, the springback of parts during the stamping process can be simulated. By simulating the springback of parts and according to the simulated springback amount, full-process springback compensation is carried out. However, the full-process springback compensation of parts cannot reach the required dimensional target at one time, and it is necessary to perform compensation optimization again, resulting in a low dimensional compliance rate, a long development cycle, and high costs. Summary of the Invention

[0004] In order to solve the above technical problems, the embodiments of the present disclosure provide a method, device and storage medium for springback compensation of stamping parts.

[0005] The technical solutions provided by the embodiments of the present disclosure have the following advantages compared with the prior art:

[0006] In a first aspect, the present disclosure provides a method for springback compensation of stamping parts, including:

[0007] Simulating and emulating the forming process of the stamping part to obtain the predicted springback result;

[0008] Dividing the stamping part into multiple zones according to the predicted springback result and the structure of the stamping part;

[0009] Performing springback compensation in at least one forming operation corresponding to at least part of the zones.

[0010] In some embodiments, the performing springback compensation in at least one forming operation corresponding to at least part of the zones includes:

[0011] Performing springback compensation in the last forming operation corresponding to at least part of the zones according to the predicted springback result.

[0012] In some embodiments, it further includes: iteratively simulating the springback compensation in each forming operation corresponding to each partition to obtain the springback compensation amounts in different forming operations corresponding to the partition;

[0013] For at least some of the partitions, performing springback compensation in at least one forming operation corresponding to the partition includes:

[0014] For at least some of the partitions, performing springback compensation in at least one forming operation corresponding to the partition according to the springback compensation amounts in different forming operations corresponding to the partition.

[0015] In some embodiments, it further includes:

[0016] Performing manual springback compensation on the partitions that meet the preset styling conditions and have a springback amount greater than a certain threshold.

[0017] In some embodiments, the dividing the stamping part into multiple partitions according to the predicted springback result and the structure of the stamping part includes:

[0018] Dividing the regions in the predicted springback result that belong to the same springback amount range and are adjacent in position in the stamping part into one partition.

[0019] In some embodiments, for at least some of the partitions, performing springback compensation in at least one forming process corresponding to the partition includes:

[0020] After the previous stamping process is completed, obtaining a scanned image of the stamping part;

[0021] According to the comparison result between the scanned image of the stamping part and the standard image of the stamping part, performing springback compensation for the forming operations corresponding to each partition in the subsequent stamping process.

[0022] In a second aspect, a springback compensation device for a stamping part includes

[0023] A predicted springback result acquisition module, configured to simulate and analyze the forming process of the stamping part to obtain a predicted springback result;

[0024] A partitioning module, configured to divide the stamping part into multiple partitions according to the predicted springback result and the structure of the stamping part;

[0025] A springback compensation module, configured to perform springback compensation for at least some of the partitions in at least one forming operation corresponding to the partition.

[0026] In some embodiments, it further includes an iterative simulation module, configured to iteratively simulate the springback compensation in each forming operation corresponding to each partition to obtain the springback compensation amounts in different forming operations corresponding to the partition;

[0027] The springback compensation module is specifically configured to perform springback compensation in at least one forming operation corresponding to at least part of the partitions according to the springback compensation amounts in different forming operations corresponding to the partitions.

[0028] In some embodiments, the springback compensation module is specifically configured to obtain the original scanned image of the stamped part after the previous stamping process; and perform springback compensation for the forming operations corresponding to each partition in the subsequent stamping process according to the comparison result between the original scanned image of the stamped part and the standard image of the stamped part.

[0029] In a third aspect, a computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the steps of the method according to any embodiment of the first aspect are implemented.

[0030] In the embodiments of the present disclosure, the forming process of the stamped part is simulated, and springback analysis is performed to obtain the springback result of the stamped part. Since the stamped part will spring back during the forming operation, according to the simulated springback result and combined with the structural characteristics of the stamped part, the stamped part is divided into multiple partitions, and springback compensation is performed in at least one forming operation corresponding to at least part of the partitions. In the embodiments of the present disclosure, the stamped part is first partitioned, and springback compensation is performed separately in different forming operations according to the forming operations corresponding to each partition. Performing springback compensation by partition can enable the part to reach the ideal size at one time, without the need to modify the mold multiple times and then perform multiple simulated springbacks, which can reduce the development cost and at the same time reduce the overall development cycle of the stamped part. Description of the Drawings

[0031] In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the following drawings are only some embodiments of the present disclosure, and those of ordinary skill in the art can also obtain other drawings based on these drawings.

[0032] Figure 1 It is a schematic flowchart of a springback compensation method for a stamped part provided by an embodiment of the present disclosure;

[0033] Figure 2 It is a schematic diagram of partitioning a stamped part provided by an embodiment of the present disclosure;

[0034] Figure 3 It is a springback compensation partition diagram of a stamped part provided by an embodiment of the present disclosure;

[0035] Figure 4 It is a springback trend diagram of a stamped part provided by an embodiment of the present disclosure;

[0036] Figure 5 The structural block diagram of a springback compensation device for a stamping part provided by an embodiment of the present disclosure. Specific embodiments

[0037] In order to more clearly understand the above objects, features and advantages of the present disclosure, the present disclosure will be further described in detail below with reference to the drawings and embodiments. It can be understood that the described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. The specific embodiments described herein are only used to explain the present disclosure, rather than limiting the present disclosure. All other embodiments obtained by those of ordinary skill in the art based on the described embodiments of the present disclosure belong to the scope of protection of the present disclosure.

[0038] It should be noted that, in this article, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

[0039] Currently, when compensating for the springback of stamping parts, it is generally based on manual operation, and continuous attempts are made after the parts are formed until the best springback compensation result is obtained. After using simulation software to simulate the springback during the forming process of stamping parts, the full-process springback compensation can be carried out on the stamping parts according to the simulated springback amount, that is, all springback compensations are carried out in the first forming operation, and no further springback compensation is carried out subsequently. After the overall process is completed, the stamping parts are measured to obtain the surface conformity rate. However, the stamping parts obtained in this way often have a low conformity rate, and it is necessary to perform full-process springback compensation on the stamping parts again until the required stamping parts are obtained. By compensating for springback in this way, the error of the springback compensation result is large, and the mold needs to be rectified multiple times, and then multiple springback compensations are carried out, resulting in a long development time and high cost.

[0040] In view of the above-mentioned disadvantages of the prior art, an embodiment of the present disclosure provides a method for compensating springback of stamping parts. Figure 1 The flow schematic diagram of a method for compensating springback of a stamping part provided by an embodiment of the present disclosure is as Figure 1 shown. The method for compensating springback of a stamping part includes:

[0041] S110. Simulate and simulate the forming process of the stamping part to obtain the predicted springback result.

[0042] Build a model of the part to be stamped within the software and simulate according to the sequence of processes required for the stamped part. For example, simulate the process of the drawing forming operation during stamping, input material parameters, friction parameters, and process conditions. Then, the size of the draw bead can be adjusted, and the blank holder surface can be reasonably designed to ensure the uniformity of the feed, while ensuring the largest possible surface strain value. After repeated simulation and correction, a reasonable simulation result is finally obtained. When simulating the processes of trimming, punching, flanging, etc., the operations on the stamped part are also completed according to the calculation methods provided by the finite element software and different process parameters. And compare the model of the stamped part that has completed all stamping processes with the standard model of the stamped part to obtain the simulated springback result, which is the difference in size information between the stamped part and the standard part of the stamped part.

[0043] S120. Divide the stamped part into multiple zones according to the predicted springback result and the structure of the stamped part.

[0044] According to the simulated springback result, the springback compensation amount for the stamped part can be obtained. According to the springback compensation amount and the structural characteristics of the stamped part, the positions of the stamped part that need springback compensation are divided into multiple zones. As Figure 2 shown, it is divided into 6 zones, and springback compensation is performed on different zones respectively.

[0045] S130. Perform springback compensation on at least some of the zones during at least one forming operation corresponding to the zone.

[0046] Since not all processes will cause springback effects on the stamped part, only the processes containing forming operations will cause springback effects on the stamped part. Therefore, springback compensation only needs to be performed during the forming operation. There are multiple forming operations in some zones during the stamping process. Therefore, springback compensation needs to be performed during at least one forming operation.

[0047] Figure 2 This is a schematic diagram of the zones of a stamped part provided by an embodiment of the present disclosure. As Figure 2As shown, taking the fender of a vehicle as an example for introduction. The stamping process of the fender can be divided into five processes, namely process OP10, process OP20, process OP30, process OP40, and process OP50. Among them, process OP10 is a drawing operation, process OP20 includes trimming + side trimming + punching operations, OP30 includes trimming + side trimming + flanging and shaping operations, OP40 includes flanging + side flanging + punching + shaping operations, and OP50 includes flanging + side flanging + side punching + side trimming operations. Among them, the forming operations include drawing operations, flanging operations, flanging and shaping operations, and shaping operations. And processes OP10, OP30, and OP40 all include forming operations. The forming operations will cause springback. Springback will occur in zone 1 during the drawing operation of process OP10, springback will occur in zone 2 during the drawing operation of process OP10 and the flanging and shaping operation of OP30, springback will occur in zone 3 during the drawing operation of process OP10 and the flanging and shaping operation of OP30, springback will occur in zone 4 during the drawing operation of process OP10 and the flanging operation and shaping operation of OP40, springback will occur in zone 5 during the drawing operation of process OP10 and the flanging operation and shaping operation of OP40. Therefore, springback compensation can be carried out during the forming operations corresponding to each zone. And springback compensation only carried out in process OP40 for zone 5 can achieve an ideal springback compensation effect. The shape of zone 6 is special and is easily affected by the operations in the surrounding areas. Therefore, springback compensation is finally carried out manually.

[0048] The springback compensation method for stamping parts provided by the embodiments of the present disclosure determines the springback compensation amount by simulating and emulating the stamping parts, and divides the stamping parts into different zones according to the springback compensation amount and the structure of the stamping parts themselves. Since different zones require different amounts of compensation and are affected by different springback processes, springback compensation for the stamping parts is carried out by process. Springback compensation is carried out on the stamping parts during at least one forming operation corresponding to the zone, and springback compensation is carried out in a targeted manner. And the entire stamping process of the stamping parts includes multiple forming operations, and each forming operation will cause springback of the stamping parts. Therefore, springback compensation is carried out during each forming operation corresponding to the zone. Avoid carrying out all springback compensation in the first process. If there are other forming operations subsequently, it will still cause springback of the stamping parts, resulting in an unsatisfactory springback compensation result for the stamping parts with deviations. Carrying out springback compensation by process improves the accuracy of springback compensation, does not require multiple rectifications of the die, reduces the die development cost, and shortens the overall development cycle of the stamping parts.

[0049] In some embodiments, for at least some of the zones, carrying out springback compensation during at least one forming operation corresponding to the zone includes: carrying out springback compensation during the last forming operation corresponding to at least some of the zones according to the predicted springback result.

[0050] After partitioning the stamping parts, the processes required for different partitions and the specific operations in the processes can be determined. Only the forming operations in the processes will have an impact on the springback of the stamping parts. Also, since the number of forming operations corresponding to different partitions is different, some partitions may correspond to multiple forming operations, and each forming operation will have an impact on the springback of that partition. For example, if a partition contains three forming operations and springback compensation is only performed in the first forming operation, the subsequent forming operations will still have an impact on the springback of that partition, resulting in an unsatisfactory springback compensation effect and not meeting the requirements. Therefore, springback compensation can be performed in the last forming operation according to the simulated springback results to ensure more accurate springback compensation. For example Figure 2 and Figure 3 as shown, for example, when partition 1 undergoes the stamping process, springback only occurs in the OP10 process. Since OP10 includes a drawing operation, which is a forming operation and will cause springback of the stamping parts, only springback compensation needs to be performed in the OP10 process, and the drawing operation is also the last forming operation corresponding to partition 1. Partition 2 undergoes overall stamping, and springback occurs in the OP10 process and the OP30 process. Among them, the OP10 process is a drawing operation, which belongs to a forming operation. OP30 includes trimming operations, side trimming operations, and flanging and shaping operations. The forming operation is the flanging and shaping operation, which will cause springback, and the flanging and shaping operation in the OP30 process is the last forming operation of partition 2, and springback compensation can be performed here.

[0051] In some embodiments, it further includes: performing iterative simulation on the springback compensation in each forming operation corresponding to each partition to obtain the springback compensation amounts in different forming operations corresponding to the partition. For at least some partitions, performing springback compensation in at least one forming operation corresponding to the partition includes: for at least some partitions, performing springback compensation in at least one forming operation corresponding to the partition according to the springback compensation amounts in different forming operations corresponding to the partition.

[0052] Through software simulation, the springback compensation in each forming operation within each partition is simulated. Based on the springback compensation amount, the springback compensation value is estimated, and the stamping part is compensated. The shape of the compensated stamping part model is compared with the relevant shape parameters of the standard part to determine the deviation value. For example, partition 2 includes two forming operations. According to the predicted springback results obtained from simulating the forming process of the stamping part, the springback compensation amount X1 in process OP10 is determined. Based on the springback compensation amount X1, the stamping part is simulated for springback compensation to obtain a simulation result, and according to the simulation result, the springback compensation amount X2 in process OP30 is determined. Based on the springback compensation amount X2, the stamping part is simulated for springback compensation to obtain a simulation result. If the simulation result meets the range of the preset tolerance, the springback compensation ends. If it does not meet the range of the preset tolerance, the springback compensation amount for the first time is determined again until the simulation results after two springback compensations meet the range of the preset tolerance, and the springback compensation ends, determining the springback compensation amounts in different forming operations corresponding to the partition. Since some partitions require multiple forming operations, springback compensation can be considered in each forming operation, or one-time springback compensation can be considered in the last forming operation. The simulated springback amount value of the partition can be compared with the maximum allowable compensation amount in the last forming operation of this partition. If the simulated springback amount value of the partition is less than or equal to the maximum compensation amount, and the springback compensation of this partition will not affect the partition shape and the shapes of surrounding parts, then springback compensation for this partition can be performed only in the last forming operation. If the simulated springback amount is very large, that is, the simulated springback amount is greater than the maximum allowable compensation amount in the last forming operation of this partition, or the partition shape does not allow all springback compensation in the last forming operation, that is, compensating this partition according to the simulated springback amount only in the last forming operation will affect the partition shape and the shapes of surrounding parts, then springback compensation needs to be performed in multiple forming operations corresponding to this partition.

[0053] In some embodiments, it further includes: performing manual springback compensation on partitions that meet the preset styling conditions and have a springback amount greater than a certain threshold.

[0054] The stamping parts have various shapes, and there are partitions with complex shapes, including but not limited to arcs, protrusions, pits, etc. The partitions with complex shapes generally meet the preset styling conditions and have a springback amount greater than a certain threshold. The partitions with complex shapes have a large springback amount, and when other partitions are undergoing stamping process operations, these partitions with complex shapes are easily affected and deformed. When performing springback compensation on the partitions with complex shapes according to the simulated springback compensation amount, the preset styling cannot be obtained. Therefore, after completing the springback compensation of other partitions, for these partitions with complex shapes, manual springback compensation can be completed. Such as Figure 3 and Figure 4The partition 6 shown in the figure, after the springback compensation of other partitions is completed, the springback compensation amount and the process where the springback compensation is located are determined manually.

[0055] In some embodiments, the stamping part is divided into multiple partitions according to the predicted springback result and the structure of the stamping part, including: dividing the areas in the predicted springback result that belong to the same springback amount range and are adjacent in the stamping part into one partition.

[0056] According to the predicted springback result of the simulation, different springback compensation amounts will exist in different parts of the stamping part. The stamping part is partitioned according to different springback compensation amounts and the structure of the stamping part. Among them, if the springback amounts at a certain place are similar and the positions are adjacent, the two can be divided into the same partition. When the springback compensation amounts are in the same range, the springback compensation is more accurate during the springback compensation. Figure 4 This is a schematic diagram of the springback trend of a stamping part provided by an embodiment of the present disclosure. As Figure 4 shown, the depth of the gray value represents different springback compensation amounts, and the gray value can be set according to one's own needs. Among them, the springback compensation amounts of the four regions A, B, C, and D are similar and the positions are adjacent, so they are divided into one partition.

[0057] In some embodiments, for at least some partitions, the springback compensation is performed in at least one forming process corresponding to the partition, including: after the previous stamping process is completed, obtaining a scanned image of the stamping part. According to the comparison result between the scanned image of the stamping part and the standard image of the stamping part, the springback compensation of the forming operation corresponding to each partition in the subsequent stamping process is performed.

[0058] After a springback compensation is performed on the stamping part, after this process is completed, the three-dimensional shape information of the stamping part at this time can be obtained by scanning, and this three-dimensional shape information is compared with the standard information of the stamping part to obtain the deviation value between the current stamping part and the ideal stamping part. Based on this, the springback compensation of the subsequent stamping process is performed. As Figure 3As shown in the figure, the fender part needs to go through five processes to complete stamping. Among them, "√" represents performing springback compensation. For example, the "√" corresponding to the row where partition 1 is located and the column where process OP10 is located represents that partition 1 performs springback compensation in process OP10. In process OP10, springback compensation is performed on partitions 1, 2, 3, and 4. After springback compensation, the fender part can be scanned. Based on the scanned fender part data information, process OP20 is carried out. There is no forming operation in OP20, so there is no need to perform springback compensation in process OP20. In process OP30, springback compensation is performed on partitions 2 and 3. After springback compensation, the fender part can be scanned again. According to the scanning results, process OP40 is carried out. In process OP40, springback compensation is performed on partitions 4 and 5. After the compensation is completed, process OP50 is carried out. There is no forming operation in OP50, so there is no need to perform springback compensation. Among them, after all other partitions have completed compensation, partition 6 determines the springback compensation amount and the process where the springback compensation is located manually.

[0059] The embodiment of the present disclosure also provides a springback compensation device for stamping parts. Figure 5 It is a structural block diagram of a springback compensation structure provided by an embodiment of the present application. As Figure 5 shown, it includes a predicted springback result acquisition module 21, a partitioning module 22, and a springback compensation module 23.

[0060] Among them, the predicted springback result acquisition module 21 is used to simulate and simulate the forming process of the stamping part to obtain the predicted springback result. The partitioning module 22 is used to divide the stamping part into multiple partitions according to the predicted springback result and the structure of the stamping part. The springback compensation module 23 is used to perform springback compensation on at least some partitions and at least one forming operation corresponding to the partitions.

[0061] In some embodiments, it further includes an iterative simulation module, which is used to iteratively simulate the springback compensation in each forming operation corresponding to each partition to obtain the springback compensation amount in different forming operations corresponding to the partition.

[0062] The springback compensation module is specifically used to perform springback compensation on at least some partitions according to the springback compensation amount in different forming operations corresponding to the partitions in at least one forming operation corresponding to the partitions.

[0063] In some embodiments, the springback compensation module is specifically used to obtain the original scanned image of the stamping part after the previous stamping process is completed. According to the comparison result between the original scanned image of the stamping part and the standard image of the stamping part, springback compensation is performed on the forming operations corresponding to each partition in the subsequent stamping process.

[0064] An embodiment of the present disclosure also provides a computer-readable storage medium, on which a computer program is stored. When the computer program is executed by a processor, the steps of the springback compensation method for stamping parts described in any of the above embodiments are implemented.

[0065] It should be noted that examples of the readable storage medium include, but are not limited to, electrical, magnetic, optical, electromagnetic, infrared, or semiconductor systems, devices, or components, or any combination of the above. More specific examples (non-exhaustive list) of the readable storage medium include: electrical connections with one or more wires, portable computer disks, hard disks, random access memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM), optical fibers, portable compact disc read-only memory (CD-ROM), optical storage devices, magnetic storage devices, or any suitable combination of the above. In this document, the readable storage medium can be any tangible medium that contains or stores a program, which can be used by or in conjunction with an instruction execution system, device, or component.

[0066] The storage medium provided by the above embodiment of the present invention and the springback compensation method for stamping parts provided by the embodiment of the present invention are based on the same inventive concept and have the same beneficial effects as the methods adopted, run, or implemented by the application programs or instructions stored therein.

[0067] It should be noted that in this article, the term "comprising", "including", or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article, or device that includes a series of elements includes not only those elements but also other elements that are not explicitly listed, or further includes elements that are inherent to such process, method, article, or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article, or device that includes the element.

[0068] Those skilled in the art can understand that although some of the embodiments described herein include certain features included in other embodiments rather than other features, the combination of features of different embodiments means that it is within the scope of the present invention and forms different embodiments.

[0069] While embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations fall within the scope defined by the appended claims.

Claims

1. A method for springback compensation of a stamping part, characterized in that, Including: Simulating and emulating the forming process of a stamping part to obtain a predicted springback result; Dividing the stamping part into multiple zones according to the predicted springback result and the structure of the stamping part; The dividing the stamping part into multiple zones according to the predicted springback result and the structure of the stamping part includes: Dividing the regions in the predicted springback result that belong to the same springback amount range and are adjacent in position in the stamping part into one zone; Performing springback compensation on at least some of the zones during at least one forming operation corresponding to the zone; 2. The springback compensation method for stamping parts according to claim 1, wherein The performing springback compensation on at least some of the zones during at least one forming operation corresponding to the zone includes: Performing springback compensation during the last forming operation corresponding to at least some of the zones according to the predicted springback result; 3. The springback compensation method for stamping parts according to claim 1, wherein Also including: Performing iterative simulation on the springback compensation in each forming operation corresponding to each zone to obtain the springback compensation amounts in different forming operations corresponding to the zone; The performing springback compensation on at least some of the zones during at least one forming operation corresponding to the zone includes: Performing springback compensation on at least some of the zones during at least one forming operation corresponding to the zone according to the springback compensation amounts in different forming operations corresponding to the zone; 4. The springback compensation method for stamping parts according to claim 1, characterized in that, Also including: Performing manual springback compensation on the zones that meet the preset styling conditions and have a springback amount greater than a certain threshold; 5. The springback compensation method for the stamping part according to claim 1, characterized in that, The performing springback compensation on at least some of the zones during at least one forming process corresponding to the zone includes: After the previous stamping process is completed, obtaining a scanned image of the stamping part; Performing springback compensation on the forming operations corresponding to each zone in the subsequent stamping process according to the comparison result between the scanned image of the stamping part and the standard image of the stamping part.

6. A springback compensation device for a stamping part, characterized in that, Including A predicted springback result acquisition module for simulating and emulating the forming process of a stamping part to obtain a predicted springback result; A zoning module for dividing the stamping part into multiple zones according to the predicted springback result and the structure of the stamping part; dividing the regions in the predicted springback result that belong to the same springback amount range and are adjacent in position in the stamping part into one zone; A springback compensation module for performing springback compensation on at least some of the zones during at least one forming operation corresponding to the zone.

7. The springback compensation device for stamping parts according to claim 6, characterized in that, Also including an iterative simulation module for performing iterative simulation on the springback compensation in each forming operation corresponding to each zone to obtain the springback compensation amounts in different forming operations corresponding to the zone; The springback compensation module is specifically configured to perform springback compensation on at least some of the zones during at least one forming operation corresponding to the zone according to the springback compensation amounts in different forming operations corresponding to the zone.

8. The springback compensation device for stamping parts according to claim 6, characterized in that, The springback compensation module is specifically configured to, after the previous stamping process is completed, obtain a scanned original image of the stamping part; perform springback compensation on the forming operations corresponding to each zone in the subsequent stamping process according to the comparison result between the scanned original image of the stamping part and the standard image of the stamping part.

9. A computer-readable storage medium, characterized in that, A computer program is stored on the storage medium, and when the computer program is executed by a processor, the steps of the method according to any one of claims 1 to 5 are implemented.

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