Step-by-step stamping device

Abstract

The embodiment of the utility model provides a step-by-step stamping device which comprises a first stamping module, and the first stamping module comprises a first stamping sub-block, a second stamping sub-block and a third stamping sub-block. The second stamping module and the first stamping module are oppositely arranged, and the second stamping module comprises a fourth stamping sub-block matched with the first stamping sub-block, a fifth stamping sub-block matched with the second stamping sub-block, a sixth stamping sub-block matched with the third stamping sub-block and a transmission block; the conveying block is used for guiding the to-be-machined material to sequentially pass through the fourth stamping sub-block, the fifth stamping sub-block and the sixth stamping sub-block. And the driving mechanism is arranged between the first stamping module and the second stamping module. Through the step-by-step stamping mode, the situation that high stress is generated in the to-be-machined material is reduced, so that deformation of the to-be-machined material caused by internal stress in the subsequent high-temperature treatment process is reduced, and the yield of stamped products is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of stamping processing, in particular to a step-by-step stamping device. Background Art

[0002] Stamping processing is a production technology that uses the power of conventional or special stamping devices to directly apply a deforming force to a sheet material in a die and deform it, so as to obtain a product with a certain shape, size and performance. For products with requirements for a bright band on the stamping surface, fine blanking technology is generally used for processing. Different from ordinary stamping machines, the cost of fine blanking machines is expensive, and the processing cost is several times that of ordinary stamping machines. In terms of processing efficiency alone, fine blanking machines have a high processing efficiency and can complete stamping in one step, which is a commonly used solution in the industry.

[0003] However, for some workpieces that require special subsequent processing, such as heat treatment, salt bath nitriding, hot galvanizing and other post-treatment processes that require high temperatures, due to the high stress of the products brought by the high efficiency of one-step stamping of fine blanking machines, the yield rate of stamping products is relatively low. Summary of the Utility Model

[0004] The embodiment of the utility model provides a step-by-step stamping device to solve the problem of relatively low yield rate when stamping products with existing fine blanking machines.

[0005] The embodiment of the utility model provides a step-by-step stamping device, including:

[0006] A first stamping module, the first stamping module includes a first stamping sub-block with a first processing accuracy, a second stamping sub-block with a second processing accuracy, and a third stamping sub-block with a third processing accuracy, the second processing accuracy is greater than the first processing accuracy, and the third processing accuracy is greater than the second processing accuracy;

[0007] A second stamping module, the second stamping module is arranged opposite to the first stamping module, the second stamping module includes a fourth stamping sub-block matching the first stamping sub-block, a fifth stamping sub-block matching the second stamping sub-block, a sixth stamping sub-block matching the third stamping sub-block, and a transmission block, the transmission block is used to guide the material to be processed through the fourth stamping sub-block, the fifth stamping sub-block and the sixth stamping sub-block in sequence;

[0008] A driving mechanism is provided between the first stamping module and the second stamping module. When the driving mechanism drives forward, the first stamping module and the second stamping module approach each other, so that the first stamping sub-block abuts against the fourth stamping sub-block, the second stamping sub-block abuts against the fifth stamping sub-block, and the third stamping sub-block abuts against the sixth stamping sub-block. When the driving mechanism drives in reverse, the first stamping module and the second stamping module move away from each other, so that the first stamping sub-block separates from the fourth stamping sub-block, the second stamping sub-block separates from the fifth stamping sub-block, and the third stamping sub-block separates from the sixth stamping sub-block.

[0009] Optionally, the first stamping module further includes a first cutting sub-block and a first shaping sub-block, which are arranged in sequence as the first cutting sub-block, the first shaping sub-block, the first stamping sub-block, the second stamping sub-block, and the third stamping sub-block;

[0010] The second stamping module further includes a second cutting sub-block and a second shaping sub-block, which are arranged in sequence as the second cutting sub-block, the second shaping sub-block, the fourth stamping sub-block, the fifth stamping sub-block, and the sixth stamping sub-block. The second cutting sub-block matches the first cutting sub-block, and the second shaping sub-block matches the first shaping sub-block.

[0011] Optionally, along the length direction of the first stamping module, the first cutting sub-block, the first shaping sub-block, the first stamping sub-block, the second stamping sub-block, and the third stamping sub-block are arranged at intervals in sequence;

[0012] Along the length direction of the second stamping module, the transfer block, the second cutting sub-block, the second shaping sub-block, the fourth stamping sub-block, the fifth stamping sub-block, and the sixth stamping sub-block are arranged at intervals in sequence.

[0013] Optionally, a guiding channel is formed on the second stamping module for placing the material to be processed, and the fourth stamping sub-block, the fifth stamping sub-block, and the sixth stamping sub-block are all located in the guiding channel.

[0014] Optionally, at least two transfer blocks are arranged on one side of the guiding channel, and the corresponding number of transfer blocks are arranged on the other side of the guiding channel.

[0015] Optionally, the transfer block includes a support column, a rotating cylinder, and a top cover. The top cover is disposed at one end of the support column, and the other end of the support column is disposed on the second stamping module. The outer wall of the support column is sleeved with the rotating cylinder. The projections of the support column and the rotating cylinder onto the top cover are located within the top cover. When the material to be processed is placed on the second stamping module, the rotating cylinder abuts against the side of the material to be processed to guide the material to be processed through the fourth stamping sub-block, the fifth stamping sub-block, and the sixth stamping sub-block in sequence.

[0016] Optionally, the transfer block further includes an anti-slip pad, and the anti-slip pad is laid on the outer surface of the rotating cylinder.

[0017] Optionally, it further includes:

[0018] An input module for acquiring pressing data, where the pressing data includes a target pressure value acting between the first stamping module and the second stamping module, and a target time interval for maintaining the target pressure value;

[0019] A control module, the first port of the control module is electrically connected to the input module, and the second port of the control module is electrically connected to the driving mechanism. When the control module receives the pressing data sent by the input module through the first port, the control module controls the driving mechanism to drive forward through the second port. When the first stamping sub-block abuts against the fourth stamping sub-block, the second stamping sub-block abuts against the fifth stamping sub-block, and the third stamping sub-block abuts against the sixth stamping sub-block, the target pressure value is maintained for the target time interval.

[0020] Optionally, it further includes:

[0021] An identification module, the information acquisition area of the identification module faces the material to be processed to acquire the process information of the material to be processed, and the identification module sends the pressing data determined according to the process information to the input module.

[0022] Optionally, the first stamping module further includes an upper top plate, a lower bottom plate, and an elastic member. The upper top plate and the lower bottom plate are disposed opposite to each other, and the elastic member is disposed between the upper top plate and the lower bottom plate. One ends of the first stamping sub-block, the second stamping sub-block, and the third stamping sub-block are all disposed on the upper top plate, and the other ends of the first stamping sub-block, the second stamping sub-block, and the third stamping sub-block all extend towards the lower bottom plate;

[0023] When the first stamping sub-block abuts against the fourth stamping sub-block, the second stamping sub-block abuts against the fifth stamping sub-block, and the third stamping sub-block abuts against the sixth stamping sub-block, the elastic member is in a compressed state.

[0024] In the embodiment of the present utility model, first, the first stamping sub-block and the fourth stamping sub-block are used to perform rough machining on the material to be processed. Since there is a large machining allowance in the first machining accuracy, the stress generated inside the material to be processed is reduced; then, the second stamping sub-block and the fifth stamping sub-block with the second machining accuracy are used to perform semi-finishing machining on the material to be processed to improve the surface quality and dimensional accuracy of the material to be processed, so that the material to be processed can gradually form into the standard size, reducing the situation of high stress caused by the sharp reduction of the machining allowance; finally, the third stamping sub-block and the sixth stamping sub-block with the third machining accuracy are used to perform finishing machining on the material to be processed to meet the final dimensional and surface finish requirements. By means of step-by-step stamping, the situation of high stress generated inside the material to be processed due to the sharp reduction of the machining allowance caused by one-time stamping is reduced, thereby reducing the deformation of the material to be processed due to internal stress during the subsequent high-temperature treatment process and improving the yield rate of the stamping product. Description of the Drawings

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, 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 utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0026] Figure 1 is one of the schematic structural diagrams of the step-by-step stamping device provided by the embodiment of the present utility model;

[0027] Figure 2 is the second schematic structural diagram of the step-by-step stamping device provided by the embodiment of the present utility model;

[0028] Figure 3 is the third schematic structural diagram of the step-by-step stamping device provided by the embodiment of the present utility model;

[0029] Figure 4 is the fourth schematic structural diagram of the step-by-step stamping device provided by the embodiment of the present utility model;

[0030] Figure 5 is the fifth schematic structural diagram of the step-by-step stamping device provided by the embodiment of the present utility model;

[0031] Figure 6 is the schematic structural diagram of the material to be processed in different processes provided by the embodiment of the present utility model. Detailed implementation manners

[0032] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are only a part rather than all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0033] The terms "first", "second", etc. in the description and claims of the present utility model are used to distinguish similar objects, rather than to describe a specific order or sequence. It should be understood that such structures can be interchanged under appropriate circumstances so that the embodiments of the present utility model can be implemented in an order different from those illustrated or described herein, and the objects distinguished by "first", "second", etc. are generally of the same type, and the number of objects is not limited. For example, the first object can be one or multiple. In addition, "and / or" in the description and claims means at least one of the connected objects, and the character " / " generally indicates an "or" relationship between the associated objects before and after.

[0034] As Figures 1 to 5 shown, the embodiments of the present utility model provide a step-by-step stamping device, including:

[0035] A first stamping module 10, the first stamping module includes a first stamping sub-block 101 with a first processing accuracy, a second stamping sub-block 102 with a second processing accuracy, and a third stamping sub-block with a third processing accuracy, the second processing accuracy is greater than the first processing accuracy, and the third processing accuracy is greater than the second processing accuracy;

[0036] A second stamping module 20, the second stamping module 20 is disposed opposite to the first stamping module 10, the second stamping module 20 includes a fourth stamping sub-block 201 matching the first stamping sub-block 101, a fifth stamping sub-block 202 matching the second stamping sub-block 102, a sixth stamping sub-block matching the third stamping sub-block, and a transmission block 203, and the transmission block 203 is used to guide the material to be processed 900 to pass through the fourth stamping sub-block 201, the fifth stamping sub-block 202 and the sixth stamping sub-block in sequence;

[0037] A driving mechanism 30 is provided between the first stamping module 10 and the second stamping module 20. When the driving mechanism 30 drives forward, the first stamping module 10 and the second stamping module 20 approach each other, so that the first stamping sub-block 101 abuts against the fourth stamping sub-block 201, the second stamping sub-block 102 abuts against the fifth stamping sub-block 202, and the third stamping sub-block abuts against the sixth stamping sub-block. When the driving mechanism 30 drives in reverse, the first stamping module 10 and the second stamping module 20 move away from each other, so that the first stamping sub-block 101 is separated from the fourth stamping sub-block 201, the second stamping sub-block 102 is separated from the fifth stamping sub-block 202, and the third stamping sub-block is separated from the sixth stamping sub-block.

[0038] The first stamping sub-block 101 with the first processing accuracy cooperates with its matching fourth stamping sub-block 201 to rough-process the material to be processed 900; the second stamping sub-block 102 with the second processing accuracy cooperates with its matching fifth stamping sub-block 202 to semi-finish the material to be processed 900; the third stamping sub-block with the third processing accuracy cooperates with its matching sixth stamping sub-block to finish-process the material to be processed 900.

[0039] In some alternative examples, the first difference between the size of the first stamping space and the target stamping size is greater than the second difference between the size of the second stamping space and the target stamping size, and the second difference between the size of the second stamping space and the target stamping size is greater than the third difference between the size of the third stamping space and the target stamping size. The first stamping space may be the stamping space formed by the cooperation of the first stamping sub-block 101 and the fourth stamping sub-block 201, the second stamping space may be the stamping space formed by the cooperation of the second stamping sub-block 102 and the fifth stamping sub-block 202, and the third stamping space may be the stamping space formed by the cooperation of the third stamping sub-block and the sixth stamping sub-block. The target stamping size may be the standard size of the material to be processed 900 after processing. In this way, it is achieved that the second processing accuracy is greater than the first processing accuracy, and the third processing accuracy is greater than the second processing accuracy.

[0040] In the embodiment of the present utility model, the material to be processed 900 is placed on the second stamping module 20. The material to be processed 900 is guided by the transfer block 203 to pass through the fourth stamping sub-block 201. The driving mechanism 30 is controlled to drive forward, and the first stamping module 10 and the second stamping module 20 approach each other. The first stamping sub-block 101 and the fourth stamping sub-block 201 cooperate with each other to form a first stamping space to stamp the material to be processed 900, so that the material to be processed 900 forms a shape corresponding to the first stamping space. Then, the driving mechanism 30 is controlled to drive in the reverse direction, and the first stamping module 10 and the second stamping module 20 move away from each other. After the first stamping sub-block 101 and the fourth stamping sub-block 201 are separated, the material to be processed 900 is continuously guided by the transfer block 203 to pass through the fifth stamping sub-block 202, and the driving mechanism 30 is controlled to drive forward. The first stamping module 10 and the second stamping module 20 approach each other again. The second stamping sub-block 102 and the fifth stamping sub-block 202 cooperate with each other to form a second stamping space to further stamp the material to be processed 900, so that the material to be processed 900 forms a shape corresponding to the second stamping space. Similarly, the third stamping sub-block and the sixth stamping sub-block cooperate with each other to form a third stamping space to further stamp the material to be processed 900, so that the material to be processed 900 forms a shape corresponding to the third stamping space. In this way, first, the first stamping sub-block 101 and the fourth stamping sub-block 201 are used to rough-process the material to be processed 900. Since the first processing accuracy has a relatively large machining allowance, the stress generated inside the material to be processed 900 is reduced. Then, the second stamping sub-block 102 with the second processing accuracy and the fifth stamping sub-block 202 are used to semi-finish the material to be processed 900 to improve the surface quality and dimensional accuracy of the material to be processed 900, so that the material to be processed 900 can gradually be formed into a standard size, reducing the situation of high stress caused by the sharp reduction of the machining allowance. Finally, the third stamping sub-block with the third processing accuracy and the sixth stamping sub-block are used to finish-process the material to be processed 900 to meet the final dimensional and surface finish requirements. By means of step-by-step stamping, the situation of high stress generated inside the material to be processed due to the sharp reduction of the machining allowance caused by one-time stamping is reduced, thereby reducing the deformation of the material to be processed due to internal stress during the subsequent high-temperature treatment process and improving the yield rate of the stamping products.

[0041] Among them, when designing the first stamping sub-block 101, the second stamping sub-block 102, the third stamping sub-block, and the fourth stamping sub-block 201, the fifth stamping sub-block 202, and the sixth stamping sub-block, 3D modeling can be carried out using CAD software according to the shape of the target product, and then the outlines and functional components of each stamping sub-block are designed. Consider the mold tolerances in the design stage to ensure that there are no excessive gaps or interferences when the mold is closed. Moreover, different machining precisions are designed respectively, and the step-by-step stamping method reduces the situation of high stress caused by the sharp reduction of machining allowance, which is convenient for subsequent processing and improves the yield rate of stamping products.

[0042] Optionally, the first stamping module 10 further includes a first cutting sub-block 103 and a first shaping sub-block 104, and the first cutting sub-block 103, the first shaping sub-block 104, the first stamping sub-block 101, the second stamping sub-block 102, and the third stamping sub-block are arranged in sequence;

[0043] The second stamping module 20 further includes a second cutting sub-block 204 and a second shaping sub-block 205, and the second cutting sub-block 204, the second shaping sub-block 205, the fourth stamping sub-block 201, the fifth stamping sub-block 202, and the sixth stamping sub-block are arranged in sequence. The second cutting sub-block 204 matches the first cutting sub-block 103, and the second shaping sub-block 205 matches the first shaping sub-block 104.

[0044] In this embodiment, the material to be processed 900 is placed on the second stamping module 20, and the material to be processed 900 is guided through the second cutting sub-block 204 by the transfer block 203. The driving mechanism 30 is controlled to drive forward, and the first stamping module 10 and the second stamping module 20 approach each other, so that the first cutting sub-block 103 and the second cutting sub-block 204 cooperate with each other to cut the material to be processed 900 to an appropriate size;

[0045] Then, the driving mechanism 30 is controlled to drive backward, the first stamping module 10 and the second stamping module 20 move away from each other. At the same time, the cut material to be processed 900 is continuously guided through the second shaping sub-block 205 by the transfer block 203, and the driving mechanism 30 is controlled to drive forward, so that the first shaping sub-block 104 and the second shaping sub-block 205 cooperate with each other to preliminarily form the cut material to be processed 900. For example, bending, folding or turning the edge of the material can be carried out;

[0046] Then, control the driving mechanism 30 to drive in the reverse direction, so that the first stamping module 10 and the second stamping module 20 move away from each other. At the same time, continue to guide the shaped workpiece material 900 through the fourth stamping sub-block 201 via the transmission block 203. Control the driving mechanism 30 to drive in the forward direction, and the first stamping sub-block 101 and the fourth stamping sub-block 201 cooperate with each other to form a first stamping space, so as to stamp the shaped workpiece material 900 with the first processing accuracy;

[0047] Then, control the driving mechanism 30 to drive in the reverse direction, so that the first stamping module 10 and the second stamping module 20 move away from each other. At the same time, continue to guide the workpiece material 900 with the first processing accuracy through the fifth stamping sub-block 202 via the transmission block 203. Control the driving mechanism 30 to drive in the forward direction, and the second stamping sub-block 102 and the fifth stamping sub-block 202 cooperate with each other to form a second stamping space, so as to stamp the workpiece material 900 with the first processing accuracy with the second processing accuracy;

[0048] Then, control the driving mechanism 30 to drive in the reverse direction, so that the first stamping module 10 and the second stamping module 20 move away from each other. At the same time, continue to guide the workpiece material 900 with the second processing accuracy through the sixth stamping sub-block via the transmission block 203. Control the driving mechanism 30 to drive in the forward direction, and the third stamping sub-block and the sixth stamping sub-block cooperate with each other to form a third stamping space, so as to stamp the workpiece material 900 with the second processing accuracy with the third processing accuracy.

[0049] In this way, before stamping with the first processing accuracy, first cut and shape the workpiece material 900, which helps to reduce local stress concentration and thus reduce internal stress. And use the first stamping sub-block 101 and the fourth stamping sub-block 201 to rough-process the workpiece material 900. Since the first processing accuracy has a larger machining allowance, the stress generated inside the workpiece material 900 is reduced; then use the second stamping sub-block 102 with the second processing accuracy and the fifth stamping sub-block 202 to semi-finish the workpiece material 900 to improve the surface quality and dimensional accuracy of the workpiece material 900, so that the workpiece material 900 can gradually form into the standard size, reducing the situation of high stress caused by the sharp reduction of the machining allowance; finally, use the third stamping sub-block with the third processing accuracy and the sixth stamping sub-block to finish-machine the workpiece material 900 to meet the final dimensional and surface finish requirements. The structure of the workpiece material 900 in different processes can be as Figure 6 shown. As the workpiece material yields and undergoes multiple repeated stampings, the grains inside the material will recrystallize, changing the tissue structure, thereby reducing the internal stress and reducing the deformation of the workpiece material caused by the internal stress during the subsequent high-temperature treatment process, improving the yield rate of the stamped product.

[0050] In some alternative embodiments, the sub-blocks corresponding to cutting, shaping, rough machining, semi-finishing, and finishing can be respectively disposed at any positions between the first stamping module 10 and the second stamping module 20. To reduce the repeated adjustment of the position of the material to be processed, the sub-blocks corresponding to cutting, shaping, rough machining, semi-finishing, and finishing can be arranged on the same straight line. The specific description can be seen as follows:

[0051] Optionally, along the length direction of the first stamping module 10, the first cutting sub-block 103, the first shaping sub-block 104, the first stamping sub-block 101, the second stamping sub-block 102, and the third stamping sub-block are sequentially arranged at intervals;

[0052] Along the length direction of the second stamping module 20, the transfer block 203, the second cutting sub-block 204, the second shaping sub-block 205, the fourth stamping sub-block 201, the fifth stamping sub-block 202, and the sixth stamping sub-block are sequentially arranged at intervals.

[0053] In this embodiment, the projection of the straight line corresponding to the length direction of the first stamping module 10 onto the first stamping module 10 can coincide with the straight line corresponding to the length direction of the second stamping module 20. In this way, under the guidance of the transfer block 203, the material to be processed 900 is sequentially subjected to cutting, shaping, rough machining, semi-finishing, and finishing processes, and the sub-blocks corresponding to cutting, shaping, rough machining, semi-finishing, and finishing are located on the same straight line, which can reduce the handling and adjustment time of the material to be processed 900 between different processes, make the processing flow smoother, reduce interference, improve the overall production rhythm, and the straight-line arrangement can more efficiently utilize the space, reduce the gap between different sub-blocks, and increase production capacity.

[0054] In some embodiments, a guiding channel is formed on the second stamping module 20 for placing the material to be processed 900, and the fourth stamping sub-block 201, the fifth stamping sub-block 202, and the sixth stamping sub-block are all located in the guiding channel. By forming a guiding channel on the second stamping module 20, the fixing effect of the second stamping module 20 on the material to be processed 900 can be enhanced, and the situation of slippage and dislocation of the material to be processed 900 during stamping can be reduced, thus improving the efficiency and organization of the production process.

[0055] In some embodiments, at least two of the transfer blocks 203 are provided on one side of the guiding channel, and a corresponding number of the transfer blocks 203 are provided on the other side of the guiding channel. For example, three transfer blocks 203 are provided on one side of the guiding channel, and three transfer blocks 203 are correspondingly provided on the other side of the guiding channel. The transfer blocks 203 on both sides of the guiding channel guide the material to be processed 900 to sequentially perform cutting, shaping, rough machining, semi-finishing, and finishing processes. At the same time, the transfer blocks 203 can further limit the material to be processed 900 placed in the guiding channel, reducing the situation of slipping and dislocation of the material to be processed 900 during stamping, and effectively improving the efficiency of the production line.

[0056] Optionally, the transfer block 203 includes a support column, a rotating cylinder, and a top cover. The top cover is provided at one end of the support column, the other end of the support column is provided on the second stamping module 20, the rotating cylinder is sleeved on the outer wall of the support column, and the projections of the support column and the rotating cylinder on the top cover are located within the top cover. When the material to be processed 900 is placed on the second stamping module 20, the rotating cylinder abuts against the side of the material to be processed 900 to guide the material to be processed 900 to sequentially pass through the fourth stamping sub-block 201, the fifth stamping sub-block 202, and the sixth stamping sub-block.

[0057] In this embodiment, the support column is fixed on the second stamping module 20 to play a main supporting role; the rotating cylinder is sleeved on the outer wall of the support column and can rotate and contact the material to be processed 900 to guide the material to smoothly pass through the subsequent stamping processes; the top cover is located at one end of the support column, and the design makes the projections of the support column and the rotating cylinder located within the top cover, and the top cover limits the material to be processed 900 in the height direction, further reducing the situation of slipping and dislocation of the material to be processed 900 during stamping, and ensuring stability and safety. In this way, through the appropriate guiding mechanism of the transfer block 203, the material can enter each stamping sub-block quickly and smoothly, improving production efficiency.

[0058] In some embodiments, the transfer block 203 further includes an anti-slip pad, and the anti-slip pad is laid on the outer surface of the rotating cylinder. By providing an anti-slip pad on the outer surface of the rotating cylinder, in this way, the rotating cylinder can abut against the side of the material to be processed 900 through the anti-slip pad, enhancing the surface friction. During the process of guiding the material to be processed 900 to sequentially pass through the fourth stamping sub-block 201, the fifth stamping sub-block 202, and the sixth stamping sub-block, the situation of the material to be processed 900 slipping is reduced, the transfer efficiency of the transfer block 203 is improved, and thus the stability of the step-by-step stamping device is improved.

[0059] In addition, to further eliminate the internal stress of the material to be processed, a pressure holding treatment can also be carried out. For specific details, please refer to the following description:

[0060] Optionally, the step-by-step stamping device further includes:

[0061] An input module for obtaining pressing data, where the pressing data includes a target pressure value acting between the first stamping module 10 and the second stamping module 20, and a target time interval for maintaining the target pressure value;

[0062] A control module, the first port of the control module is electrically connected to the input module, and the second port of the control module is electrically connected to the driving mechanism 30. When the control module receives the pressing data sent by the input module through the first port, the control module controls the driving mechanism 30 to drive forward through the second port. When the first stamping sub-block 101 abuts against the fourth stamping sub-block 201, and the second stamping sub-block 102 abuts against the fifth stamping sub-block 202, and the third stamping sub-block abuts against the sixth stamping sub-block, the target pressure value is maintained for the target time interval.

[0063] In this embodiment, the pressing data obtained by the input module may be preset data determined by an operator according to the properties of the material to be processed 900 and subsequent processes (such as post-treatment processes that require high temperatures, such as heat treatment, salt bath nitriding, hot dip galvanizing, etc.). For example, the operator inputs a first target pressure value, a first target time interval, a second target pressure value, a second target time interval, a third target pressure value, and a third target time interval determined in advance into the input module; then, the material to be processed 900 is placed on the second stamping module 20, and the material to be processed 900 is guided through the fourth stamping sub-module 201 by the transfer block 203. The driving mechanism 30 is controlled to drive forward, and the first stamping module 10 and the second stamping module 20 approach each other. The first stamping sub-module 101 and the fourth stamping sub-module 201 cooperate with each other to form a first stamping space to stamp the material to be processed 900, so that the material to be processed 900 forms a shape corresponding to the first stamping space. And at this time, the first target pressure value is maintained for the first target time interval to reduce local stress concentration and eliminate the residual stress inside the material during rough machining; then, the driving mechanism 30 is controlled to drive in the reverse direction, and the first stamping module 10 and the second stamping module 20 move away from each other. After the first stamping sub-module 101 and the fourth stamping sub-module 201 are separated, the material to be processed 900 is continuously guided through the fifth stamping sub-module 202 by the transfer block 203, and the driving mechanism 30 is controlled to drive forward. The first stamping module 10 and the second stamping module 20 approach each other again. The second stamping sub-module 102 and the fifth stamping sub-module 202 cooperate with each other to form a second stamping space to further stamp the material to be processed 900, so that the material to be processed 900 forms a shape corresponding to the second stamping space. And at this time, the second target pressure value is maintained for the second target time interval to reduce local stress concentration and eliminate the residual stress inside the material during semi-finishing machining; similarly, the third stamping sub-module and the sixth stamping sub-module cooperate with each other to form a third stamping space to further stamp the material to be processed 900, so that the material to be processed 900 forms a shape corresponding to the third stamping space. And at this time, the third target pressure value is maintained for the third target time interval to reduce local stress concentration and eliminate the residual stress inside the material during finishing machining. In this way, first, the first stamping sub-module 101 and the fourth stamping sub-module 201 are used to perform rough machining on the material to be processed 900. Since the first machining accuracy has a large machining allowance, the stress generated inside the material to be processed 900 is reduced; then, the second stamping sub-module 102 with the second machining accuracy and the fifth stamping sub-module 202 are used to perform semi-finishing machining on the material to be processed 900 to improve the surface quality and dimensional accuracy of the material to be processed 900, so that the material to be processed 900 can gradually form into a standard size, reducing the situation of high stress generated due to the sharp reduction of the machining allowance; finally, the third stamping sub-module with the third machining accuracy and the sixth stamping sub-module are used to perform finishing machining on the material to be processed 900 to meet the final dimensional and surface finish requirements.Moreover, during each stamping process, a pressure holding process is performed to evenly distribute the stress in different regions of the material, promote the relief of residual stress, thereby reducing the deformation of the material to be processed caused by internal stress during subsequent high-temperature treatment processes, and improving the yield rate of stamping products.

[0064] In addition, the pressing data obtained by the input module can also be automatically identified by the step-by-step stamping device. For specific details, please refer to the following description:

[0065] Optionally, the step-by-step stamping device further includes:

[0066] An identification module, the information acquisition area of the identification module faces the material 900 to be processed to obtain the process information of the material 900 to be processed, and the identification module sends the pressing data determined according to the process information to the input module.

[0067] In this embodiment, the operator engraves the performance of the material 900 to be processed and subsequent processes (such as post-treatment processes that require high temperatures, such as heat treatment, salt bath nitriding, hot dip galvanizing, etc.) on the surface of the material 900 to be processed in the form of labels (such as two-dimensional codes, barcodes, etc.). When the material 900 to be processed is placed on the second stamping module 20 and guided by the transmission block 203 to pass through the fourth stamping sub-block 201, the identification module can obtain the process information of the material 900 to be processed through the label; then analyze and process the process information to determine appropriate pressing data, and send the pressing data to the input module.

[0068] In this way, the control module can, according to the pressing data in the input module, control the driving mechanism 30 to perform a pressure holding process during each stamping process, so that the stress in different regions of the material is evenly distributed, promoting the relief of residual stress, thereby reducing the deformation of the material to be processed caused by internal stress during subsequent high-temperature treatment processes, and improving the yield rate of stamping products.

[0069] Optionally, the first stamping module 10 further includes an upper top plate 105, a lower bottom plate 106, and an elastic member 107. The upper top plate 105 and the lower bottom plate 106 are disposed opposite to each other, the elastic member 107 is disposed between the upper top plate 105 and the lower bottom plate 106, and one ends of the first stamping sub-block 101, the second stamping sub-block 102, and the third stamping sub-block are all disposed on the upper top plate 105, and the other ends of the first stamping sub-block 101, the second stamping sub-block 102, and the third stamping sub-block all extend towards the lower bottom plate 106;

[0070] When the first stamping sub-block 101 abuts against the fourth stamping sub-block 201, the second stamping sub-block 102 abuts against the fifth stamping sub-block 202, and the third stamping sub-block abuts against the sixth stamping sub-block, the elastic member 107 is in a compressed state.

[0071] In this embodiment, the elastic member 107 may be a spring. During each stamping process, when the first stamping sub-block 101 abuts against the fourth stamping sub-block 201, the second stamping sub-block 102 abuts against the fifth stamping sub-block 202, and the third stamping sub-block abuts against the sixth stamping sub-block, the elastic member 107 is in a compressed state, which can increase the pressure between the first stamping module 10 and the second stamping module 20, so that the stress in different regions of the material to be processed 900 is evenly distributed, promoting the relief of residual stress, reducing the deformation of the material to be processed caused by internal stress during subsequent high-temperature treatment processes, and improving the yield rate of stamping products.

[0072] It should be understood that the second stamping module 20 also includes an upper top plate, a lower bottom plate and an elastic member, which can achieve the same technical effects. To avoid repetition, it will not be described in detail here.

[0073] It should be noted that in this article, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the presence of another identical element in the process, method, article or device including that element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present invention is not limited to performing functions in the order discussed, and may also include performing functions in a substantially simultaneous manner or in a reverse order according to the functions involved. For example, the described methods may be performed in an order different from that described, and various steps may be added, omitted, or combined. Additionally, the features described with reference to certain examples may be combined in other examples.

[0074] The embodiments of the present invention have been described above with reference to the accompanying drawings. However, the present invention is not limited to the above specific embodiments. The above specific embodiments are merely illustrative and not restrictive. Under the inspiration of the present invention, those of ordinary skill in the art can also make many forms without departing from the spirit and scope protected by the present invention and the claims, and all of them belong to the protection scope of the present invention.

Claims

1. A step stamping device, characterized in that, Including: A first stamping module, the first stamping module includes a first stamping sub-block with a first processing accuracy, a second stamping sub-block with a second processing accuracy, and a third stamping sub-block with a third processing accuracy, the second processing accuracy is greater than the first processing accuracy, and the third processing accuracy is greater than the second processing accuracy; A second stamping module, the second stamping module is disposed opposite to the first stamping module, the second stamping module includes a fourth stamping sub-block matching the first stamping sub-block, a fifth stamping sub-block matching the second stamping sub-block, a sixth stamping sub-block matching the third stamping sub-block, and a transmission block, the transmission block is used to guide the material to be processed through the fourth stamping sub-block, the fifth stamping sub-block and the sixth stamping sub-block in sequence; A driving mechanism, the driving mechanism is disposed between the first stamping module and the second stamping module, when the driving mechanism drives forward, the first stamping module and the second stamping module approach each other, so that the first stamping sub-block abuts against the fourth stamping sub-block, and the second stamping sub-block abuts against the fifth stamping sub-block, and the third stamping sub-block abuts against the sixth stamping sub-block, when the driving mechanism drives in reverse, the first stamping module and the second stamping module move away from each other, so that the first stamping sub-block is separated from the fourth stamping sub-block, and the second stamping sub-block is separated from the fifth stamping sub-block, and the third stamping sub-block is separated from the sixth stamping sub-block.

2. The step stamping device according to claim 1, wherein The first stamping module further includes a first cutting sub-block and a first shaping sub-block, the first cutting sub-block, the first shaping sub-block, the first stamping sub-block, the second stamping sub-block and the third stamping sub-block are arranged in sequence; The second stamping module further includes a second cutting sub-block and a second shaping sub-block, the second cutting sub-block, the second shaping sub-block, the fourth stamping sub-block, the fifth stamping sub-block and the sixth stamping sub-block are arranged in sequence, the second cutting sub-block matches the first cutting sub-block, and the second shaping sub-block matches the first shaping sub-block.

3. The step stamping device according to claim 2, characterized in that Along the length direction of the first stamping module, the first cutting sub-block, the first shaping sub-block, the first stamping sub-block, the second stamping sub-block and the third stamping sub-block are arranged at intervals in sequence; Along the length direction of the second stamping module, the transmission block, the second cutting sub-block, the second shaping sub-block, the fourth stamping sub-block, the fifth stamping sub-block and the sixth stamping sub-block are arranged at intervals in sequence.

4. The step stamping device according to claim 1, characterized in that, A guiding channel is formed on the second stamping module, the guiding channel is used to place the material to be processed, and the fourth stamping sub-block, the fifth stamping sub-block and the sixth stamping sub-block are all located in the guiding channel.

5. The step stamping device according to claim 4, characterized in that, At least two of the transmission blocks are arranged on one side of the guiding channel, and the corresponding number of transmission blocks are arranged on the other side of the guiding channel.

6. The step stamping device according to any one of claims 1 to 5, characterized in that The transfer block includes a support column, a rotating cylinder, and a top cover. The top cover is disposed at one end of the support column, and the other end of the support column is disposed on the second stamping module. The outer wall of the support column is sleeved with the rotating cylinder. The projections of the support column and the rotating cylinder onto the top cover are located within the top cover. When the material to be processed is placed on the second stamping module, the rotating cylinder abuts against the side of the material to be processed to guide the material to be processed through the fourth stamping sub-block, the fifth stamping sub-block, and the sixth stamping sub-block in sequence.

7. The step stamping device according to claim 6, characterized in that, The transfer block further includes an anti-slip pad, and the anti-slip pad is laid on the outer surface of the rotating cylinder.

8. The step stamping device according to claim 1, wherein Further included are: An input module for acquiring pressing data, where the pressing data includes a target pressure value acting between the first stamping module and the second stamping module, and a target time interval for maintaining the target pressure value; A control module, with the first port of the control module electrically connected to the input module and the second port of the control module electrically connected to the driving mechanism. When the control module receives the pressing data sent by the input module through the first port, the control module controls the driving mechanism to drive forward through the second port. When the first stamping sub-block abuts against the fourth stamping sub-block, the second stamping sub-block abuts against the fifth stamping sub-block, and the third stamping sub-block abuts against the sixth stamping sub-block, the target pressure value is maintained for the target time interval.

9. The step stamping device according to claim 8, characterized in that, Further included are: An identification module, with the information acquisition area of the identification module facing the material to be processed to obtain the process information of the material to be processed. The identification module sends the pressing data determined according to the process information to the input module.

10. The step stamping device according to claim 1, characterized in that, The first stamping module further includes an upper top plate, a lower bottom plate, and an elastic member. The upper top plate and the lower bottom plate are oppositely arranged, and the elastic member is disposed between the upper top plate and the lower bottom plate. One ends of the first stamping sub-block, the second stamping sub-block, and the third stamping sub-block are all disposed on the upper top plate, and the other ends of the first stamping sub-block, the second stamping sub-block, and the third stamping sub-block all extend towards the lower bottom plate; When the first stamping sub-block abuts against the fourth stamping sub-block, the second stamping sub-block abuts against the fifth stamping sub-block, and the third stamping sub-block abuts against the sixth stamping sub-block, the elastic member is in a compressed state.

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