Stamping device
By designing a multi-module stamping device and using modules of different precisions to perform multiple stamping processing, the problem of large errors in existing stamping devices after stamping super thick sheets is solved, and higher processing accuracy and lower material costs are achieved.
Patent Information
- Application Number
- CN202421880640.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-05
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-08-05
AI Technical Summary
The existing stamping devices are prone to blank deformation or collapse angles after stamping super-thick sheets, resulting in large processing errors. In order to reduce dimensional tolerances, the thickness of the sheet is usually required to increase the material cost.
A stamping device including multiple interchangeable modules is designed. The upper module of the module is driven to move back and forth between the beds through the feed mechanism. First, a first module with lower processing accuracy is used for rough processing (general punch), and then a second module with higher processing accuracy is used for fine processing (fine punch) to reduce deformation and collapse angles and reduce processing errors.
Through multiple stamping processing, the deformation and collapse of the material to be processed is reduced, the processing error of the stamping device is reduced, the accuracy of stamping processing is improved, the need to increase the thickness of the sheet is avoided, and the material cost is reduced.
Smart Images
Figure CN222970778U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of molds, in particular to a stamping device. Background Art
[0002] By applying pressure to materials through the stamping process, specific shapes can be formed or the materials can be separated into required parts. However, after stamping ultra-thick sheet materials with the existing stamping devices, blank deformation or corner collapse is likely to occur. In order to reduce the dimensional tolerance of the final product, it is usually necessary to further increase the sheet thickness to provide sufficient machining allowance, but this results in an increase in material costs. It can be seen that the existing stamping devices have a problem of large machining errors without further increasing the sheet thickness. Summary of the Utility Model
[0003] An embodiment of the utility model provides a stamping device to solve the problem of large errors when processing materials with the existing stamping devices.
[0004] An embodiment of the utility model provides a stamping device, including:
[0005] A stamping machine tool, which includes a first bed body, a second bed body and a feeding mechanism. The first bed body and the second bed body are arranged opposite to each other. One end of the feeding mechanism is connected to the first bed body, and the other end of the feeding mechanism faces the second bed body. A first connecting part is arranged at the end of the feeding mechanism facing the second bed body, and a second connecting part is arranged on the side of the second bed body facing the feeding mechanism;
[0006] A stamping die, which includes a first module and a second module. Both the first module and the second module include an upper module and a lower module. The upper module and the lower module of the same module are adapted to each other. The upper module is detachably connected to the first connecting part, and the lower module is detachably connected to the second connecting part, and the processing accuracy of the second module is greater than that of the first module.
[0007] Optionally, the stamping die further includes a third module. The upper module of the third module is detachably connected to the first connecting part, and the lower module of the third module is detachably connected to the second connecting part. The processing accuracy of the third module is greater than that of the first module, and the processing accuracy of the third module is less than that of the second module.
[0008] Optionally, the upper module includes a first magnetic part, and the first connecting part includes a second magnetic part. The upper module and the first connecting part are magnetically connected through the first magnetic part and the second magnetic part respectively;
[0009] And / or
[0010] The lower module includes a third magnetic member, and the second connecting portion includes a fourth magnetic member. The lower module and the second connecting portion are magnetically connected by the third magnetic member and the fourth magnetic member respectively.
[0011] Optionally, the stamping device further includes a power supply device and a coil electrically connected to the power supply device. The coil is wound around the first connecting portion and / or the second connecting portion.
[0012] Optionally, the upper module includes a first clamping member, and the first connecting portion further includes a second clamping member. The upper module and the first connecting portion are clamped by the first clamping member and the second clamping member respectively;
[0013] and / or,
[0014] The lower module includes a third clamping member, and the second connecting portion includes a fourth clamping member. The lower module and the second connecting portion are clamped by the third clamping member and the fourth clamping member respectively.
[0015] Optionally, the upper module further includes a first positioning hole, and the first connecting portion further includes a first positioning pin. When the first positioning pin is placed in the first positioning hole, the upper module is connected to the first connecting portion, and under the pushing action of the feeding mechanism, the upper module moves towards the lower module;
[0016] and / or,
[0017] The lower module further includes a second positioning hole, and the second connecting portion further includes a second positioning pin. When the second positioning pin is placed in the second positioning hole, the lower module is connected to the second connecting portion, and under the pushing action of the feeding mechanism, the upper module moves towards the lower module.
[0018] Optionally, the projected area of the second module on the second bed is larger than the projected area of the first module on the second bed.
[0019] Optionally, 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. The first stamping space is the stamping space formed by enclosing the upper module and the lower module corresponding to the first module, and the second stamping space is the stamping space formed by enclosing the upper module and the lower module corresponding to the second module.
[0020] Optionally, the stamping device further includes a support rod. The support rod is arranged between the first bed and the second bed, and the first bed is spaced from the second bed by the support rod.
[0021] Optionally, the feeding mechanism includes a buffer structure, and when the feeding mechanism pushes the upper module to move to the lower module, the buffer structure is in a stretched state.
[0022] In the embodiment of the present invention, first, the upper module of the first module is detachably connected to the first connecting portion, and the lower module of the first module is detachably connected to the second connecting portion. The feeding mechanism drives the upper module of the first module to move back and forth between the first bed body and the second bed body, so that the first module can perform rough machining (i.e., general punching) on the material to be processed, reducing the deformation and corner collapse of the material to be processed; then the first module is replaced with the second module, and the second module has higher machining accuracy than the first module. After the second module is set on the stamping machine tool, the feeding mechanism also drives the upper module of the second module to move back and forth between the first bed body and the second bed body, so that the second module can further perform finish machining (i.e., fine punching) on the rough-machined material, improving the machining accuracy of the stamping process. In this way, the stamping die includes multiple modules with different machining accuracies that can be interchanged on the stamping machine tool. Without further increasing the thickness of the material to be processed, by replacing modules with different machining accuracies for multiple stamping processes, the deformation and corner collapse of the material to be processed are reduced, and the machining error of the stamping device is reduced, thereby improving the machining accuracy of the stamping device. Description of the Drawings
[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, 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 invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0024] Figure 1 is one of the structural schematic diagrams of the stamping device provided by the embodiment of the present invention;
[0025] Figure 2 is another structural schematic diagram of the stamping device provided by the embodiment of the present invention;
[0026] Figure 3 is the third structural schematic diagram of the stamping device provided by the embodiment of the present invention. Detailed Embodiments
[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0028] The terms "first", "second", etc. in the specification 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 other than 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 specification 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.
[0029] As Figures 1 to 3 shown, the embodiments of the present utility model provide a stamping device, including:
[0030] A stamping machine tool, the stamping machine tool includes a first bed body 101, a second bed body 102 and a feeding mechanism 103. The first bed body 101 and the second bed body 102 are arranged opposite to each other. One end of the feeding mechanism 103 is connected to the first bed body 101, and the other end of the feeding mechanism 103 faces the second bed body 102. A first connecting portion 1031 is provided at the end of the feeding mechanism 103 facing the second bed body 102, and a second connecting portion 1021 is provided on the side of the second bed body 102 facing the feeding mechanism 103;
[0031] A stamping die, the stamping die includes a first module and a second module. Both the first module and the second module include an upper module and a lower module. The upper module and the lower module of the same module are adapted to each other. The upper module is detachably connected to the first connecting portion 1031, and the lower module is detachably connected to the second connecting portion 1021, and the processing accuracy of the second module is greater than that of the first module.
[0032] Among them, Figures 1 to 3 as shown, the upper module 2011 of the first module is detachably connected to the first connecting portion 1031, and the lower module 2012 of the first module is detachably connected to the second connecting portion 1021. The second module has a similar structure to the first module. The upper module of the second module can also be detachably connected to the first connecting portion 1031, and the lower module of the second module can also be detachably connected to the second connecting portion 1021.
[0033] In some alternative exemplary embodiments, a first difference between the size of the first stamping space and the target stamping size is greater than a second difference between the size of the second stamping space and the target stamping size. The first stamping space is a stamping space formed by enclosing an upper module and a lower module corresponding to the first module, and the second stamping space is a stamping space formed by enclosing an upper module and a lower module corresponding to the second module.
[0034] In this example, the machining accuracy of the second module can be made greater than that of the first module by adjusting the machining allowance of the module. Specifically, the upper module 2011 of the first module and the lower module 2012 of the first module can cooperate to form a first stamping space. The material to be processed forms a shape corresponding to the first stamping space under the stamping action of the first module; the upper module of the second module and the lower module of the second module can cooperate to form a second stamping space. The material to be processed forms a shape corresponding to the second stamping space under the further stamping action of the second module. The target stamping size can be the standard size after the material to be processed is completed. 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, that is, the machining allowance of the first module is greater than that of the second module. In this way, the first module is first used to rough-machine the material to be processed. Since the first module has a larger machining allowance, the deformation and corner collapse of the material to be processed can be reduced during rough machining; then the second module with higher machining accuracy is used to further finish-machine the material to be processed that has been rough-machined by the first module. Since the second module has a smaller machining allowance, the machining accuracy is improved during the further machining process.
[0035] In some other alternative examples, to make the machining accuracy of the second module greater than that of the first module, the materials of the first module and the second module are also designed. For example, the second module is made of a material with higher hardness so that the hardness of the second module is greater than that of the first module. In this way, during the stamping process, the machining accuracy of the second module is greater than that of the first module.
[0036] Among them, when designing the upper module (or upper die) and the lower module (or lower die) corresponding to the first module and the second module respectively, 3D modeling can be performed using CAD software according to the shape of the target product, and then the contours and functional components of the upper die and the lower die are designed. Consider the mold tolerances during the design stage to ensure that there are no excessive gaps or interferences when the mold is closed. Moreover, multiple groups of modules are designed separately, such that the machining accuracy of the second module is greater than that of the first module. Without further increasing the thickness of the material to be processed, multiple stamping processes are carried out by replacing the modules with different machining accuracies, so as to reduce the deformation and corner collapse of the material to be processed and reduce the machining error of the stamping device.
[0037] In the embodiment of the present utility model, first, the upper module of the first module is detachably connected to the first connecting portion 1031, and the lower module of the first module is detachably connected to the second connecting portion 1021. The feeding mechanism 103 drives the upper module of the first module to move back and forth between the first bed body 101 and the second bed body 102, so that the first module can perform rough machining (i.e., general punching) on the material to be processed, reducing the deformation and corner collapse of the material to be processed; then the first module is replaced with the second module, and the second module has a higher machining accuracy than the first module. After the second module is set on the stamping machine tool, the feeding mechanism 103 also drives the upper module of the second module to move back and forth between the first bed body 101 and the second bed body 102, so that the second module can further perform finish machining (i.e., fine punching) on the rough-machined material, improving the accuracy of the stamping process. In this way, the stamping die includes multiple modules (such as the first module and the second module) with different machining accuracies that can be interchanged on the stamping machine tool. Without further increasing the thickness of the material to be processed, multiple stamping processes are carried out by replacing the modules with different machining accuracies, reducing the deformation and corner collapse of the material to be processed and reducing the machining error of the stamping device, thereby improving the machining accuracy of the stamping device.
[0038] Optionally, the stamping die further includes a third module. The upper module of the third module is detachably connected to the first connecting portion 1031, and the lower module of the third module is detachably connected to the second connecting portion 1021. The machining accuracy of the third module is greater than that of the first module and less than that of the second module.
[0039] In this embodiment, first, the first module is used to perform rough machining (i.e., general punching) on the material to be processed. The first module has the largest machining allowance, which can reduce the deformation and corner collapse of the material to be processed during rough machining. Then, the third module is used to perform secondary machining (i.e., semi-precision punching) on the material to be processed that has been rough machined by the first module. The third module has higher machining accuracy than the first module, and the third module has a larger machining allowance than the second module. Therefore, before using the second module for finish machining, through the secondary machining of the third module, the material to be processed can be gradually formed into the standard size, reducing the deformation and corner collapse of the material to be processed caused by the sharp reduction of the machining allowance. Finally, the second module with the highest machining accuracy is used to perform further finish machining (i.e., precision punching) on the material that has been processed by the first module and the third module. Since the second module has the smallest machining allowance, the machining accuracy is improved during the further machining process. In this way, the stamping die includes multiple modules (such as the first module, the third module, and the second module) with different machining accuracies that can be interchanged on the stamping machine tool. Without further increasing the thickness of the material to be processed, by replacing the modules with different machining accuracies for multiple stamping processes, the deformation and corner collapse of the material to be processed are reduced, and the machining error of the stamping device is reduced, thereby improving the machining accuracy of the stamping device.
[0040] Optionally, the projected area of the second module on the second bed body 102 is larger than the projected area of the first module on the second bed body 102.
[0041] In this example, the second module is designed such that the projected area of the second module on the second bed body 102 is larger than the projected area of the first module on the second bed body 102. In other words, the contact area between the second module and the material to be processed is increased to evenly distribute the stamping pressure, reduce the stress concentration, enhance the stability of the stamping device, and prevent the deformation and corner collapse of the material to be processed caused by excessive local stress.
[0042] In addition, rounded corners are provided at the working edges of the upper and lower modules corresponding to the second module, which can reduce material fracture and burrs and further reduce the stress concentration phenomenon. And chamfers with appropriate angles are designed at the die edges, which is beneficial to material flow, smooth transition, and reduce corner collapse during cutting.
[0043] Among them, a third module can be further provided. The projected area of the third module on the second bed body 102 is larger than that of the first module on the second bed body 102, and the projected area of the third module on the second bed body 102 is smaller than that of the second module on the second bed body 102, further reducing the pressure concentration and making the pressure distribution uniform during the processing; the processing accuracy of the third module is higher than that of the first module, and the processing accuracy of the third module is lower than that of the second module. In this way, through the punching process of the first module, the semi-finishing process of the third module, and the finishing process of the second module in sequence, the gradient stamping forming of the material to be processed is carried out, reducing the deformation amount in each step, thereby reducing the deformation and corner collapse of the material to be processed, reducing the processing error of the stamping device, and improving the processing accuracy of the stamping device.
[0044] In some alternative embodiments, the upper module includes a first magnetic member, and the first connecting portion includes a second magnetic member. The upper module and the first connecting portion are magnetically connected by the first magnetic member and the second magnetic member respectively;
[0045] and / or,
[0046] The lower module includes a third magnetic member, and the second connecting portion includes a fourth magnetic member. The lower module and the second connecting portion are magnetically connected by the third magnetic member and the fourth magnetic member respectively.
[0047] In this embodiment, taking the first module as an example, the upper module of the first module may include a first magnetic member, and the lower module of the first module may include a third magnetic member. First, the upper module of the first module and the first connecting portion 1031 are magnetically connected by the first magnetic member and the second magnetic member respectively, so that the upper module of the first module can be assembled on the first bed body 101 through the feeding mechanism 103, and / or the lower module of the first module and the second connecting portion 1021 are magnetically connected by the third magnetic member and the fourth magnetic member respectively, so that the lower block of the first module can be assembled on the second bed body 102 through the second connecting portion 1021. Then, the feeding mechanism 103 drives the upper module of the first module to move back and forth between the first bed body 101 and the second bed body 102, so that the first module can perform rough machining (i.e., punching) on the material to be processed, reducing the deformation and corner collapse of the material to be processed.
[0048] Then, the first module is replaced with the second module. At this time, the magnetic connection between the first module and the stamping machine tool is released, and the upper module of the second module and the first connecting portion 1031 are magnetically connected through corresponding magnetic members respectively, so that the upper module of the second module can be assembled on the first bed body 101 through the feeding mechanism 103, and / or the lower module of the second module and the second connecting portion 1021 are magnetically connected through corresponding magnetic members respectively, so that the lower block of the second module can be assembled on the second bed body 102 through the second connecting portion 1021. The second module has higher processing accuracy than the first module. After the second module is set on the stamping machine tool, the feeding mechanism 103 also drives the upper module of the second module to move back and forth between the first bed body 101 and the second bed body 102, so that the second module can further perform finish machining (i.e., fine blanking) on the rough-machined material, improving the accuracy of stamping processing.
[0049] In this way, the stamping die includes multiple modules with different processing accuracies that can be interchanged on the stamping machine tool. Through magnetic members, rapid replacement of different modules can be achieved, shortening the die change time. This makes the replacement of the die more flexible and no longer dependent on complex mechanical fixtures or bolt fixation. It is particularly suitable for the production environment where the die needs to be frequently replaced in this embodiment. In addition, without further increasing the thickness of the material to be processed, by replacing modules with different processing accuracies for multiple stamping processes, the situation of deformation and corner collapse of the material to be processed is reduced, and the processing error of the stamping device is reduced, thereby improving the processing accuracy of the stamping device.
[0050] It should be understood that the upper module of the second module can also include a first magnetic member, the lower module of the second module can also include a third magnetic member, and the upper module of the third module can also include a first magnetic member, and the lower module of the third module can also include a third magnetic member. The same technical effects can be achieved. To avoid repetition, it will not be elaborated here.
[0051] Optionally, the stamping device further includes a power supply device and a coil electrically connected to the power supply device. The coil is wound around the first connecting portion 1031 and / or the second connecting portion 1021.
[0052] In this example, the coil can be wound around the first connecting portion 1031 and / or the second connecting portion 1021. By charging and discharging the coil, the first connecting portion 1031 and / or the second connecting portion 1021 generate magnetism. The power supply device controls the charging and discharging of the coil, and the magnetism generated by the coil is used to realize the detachable connection between the die and the machine tool, which is suitable for the production environment where the die needs to be frequently replaced. It effectively reduces the operation difficulty and improves the overall efficiency of the production line.
[0053] In some other alternative embodiments, the upper module includes a first clamping member, and the first connecting portion further includes a second clamping member. The upper module and the first connecting portion are respectively clamped through the first clamping member and the second clamping member;
[0054] and / or,
[0055] the lower module includes a third clamping member, and the second connecting portion includes a fourth clamping member. The lower module and the second connecting portion are respectively clamped through the third clamping member and the fourth clamping member.
[0056] In this embodiment, taking the first module as an example, the upper module of the first module may include a first clamping member, and the lower module of the first module may include a third clamping member. First, the upper module of the first module and the first connecting portion 1031 are respectively clamped and fixed through the first clamping member and the second clamping member, so that the upper module of the first module can be assembled on the first bed body 101 through the feeding mechanism 103, and / or, the lower module of the first module and the second connecting portion 1021 are respectively clamped and fixed through the third clamping member and the fourth clamping member, so that the lower block of the first module can be assembled on the second bed body 102 through the second connecting portion 1021. Then, the feeding mechanism 103 drives the upper module of the first module to move back and forth between the first bed body 101 and the second bed body 102, so that the first module can perform rough machining (i.e., general punching) on the material to be processed, reducing the occurrence of deformation and corner collapse of the material to be processed.
[0057] Then, the first module is replaced with the second module. At this time, the clamping connection between the first module and the stamping machine tool is released, and the upper module of the second module and the first connecting portion 1031 are respectively clamped and fixed through the corresponding clamping members, so that the upper module of the second module can be assembled on the first bed body 101 through the feeding mechanism 103, and / or, the lower module of the second module and the second connecting portion 1021 are respectively clamped and fixed through the corresponding clamping members, so that the lower block of the second module can be assembled on the second bed body 102 through the second connecting portion 1021. The second module has higher machining accuracy than the first module. After the second module is set on the stamping machine tool, the feeding mechanism 103 also drives the upper module of the second module to move back and forth between the first bed body 101 and the second bed body 102, so that the second module can further perform finish machining (i.e., fine punching) on the rough-machined material, improving the accuracy of stamping processing.
[0058] In this way, the stamping die includes multiple modules with different processing precisions that can be interchanged on a stamping machine tool. The quick replacement of different modules can be achieved through the clamping parts, which shortens the die change time. This makes the replacement of the die more flexible and no longer relies on complex mechanical fixtures or bolt fixation. It is particularly suitable for the production environment where the die needs to be frequently replaced in this embodiment. In addition, without further increasing the thickness of the material to be processed, by replacing modules with different processing precisions for multiple stamping processes, the situations of deformation and corner collapse of the material to be processed are reduced, and the processing error of the stamping device is decreased, thereby improving the processing precision of the stamping device.
[0059] It should be understood that the upper module of the second module can also include the first clamping part, the lower module of the second module can also include the third clamping part, and, the upper module of the third module can also include the first clamping part, and the lower module of the third module can also include the third clamping part. The same technical effects can be achieved. To avoid repetition, it will not be elaborated here.
[0060] Among them, in some other embodiments, the upper module of the first module and the first connecting part 1031 can be fixed by bolts, so that the upper module of the first module can be assembled on the first bed body 101 through the feeding mechanism 103, and / or, the lower module of the first module and the second connecting part 1021 can be fixed by bolts, so that the lower block of the first module can be assembled on the second bed body 102 through the second connecting part 1021.
[0061] Optionally, the upper module further includes a first positioning hole, and the first connecting part further includes a first positioning pin. When the first positioning pin is placed in the first positioning hole, the upper module is connected to the first connecting part, and under the pushing action of the feeding mechanism, the upper module moves towards the lower module;
[0062] and / or,
[0063] the lower module further includes a second positioning hole, and the second connecting part further includes a second positioning pin. When the second positioning pin is placed in the second positioning hole, the lower module is connected to the second connecting part, and under the pushing action of the feeding mechanism, the upper module moves towards the lower module.
[0064] In this embodiment, the upper module of the first module and the reference planes on the first bed 101 can be selected as the design reference points, and these reference planes are usually planes that are easy to access and convenient for machining. According to the size and shape of the upper module of the first module, the positions of the first positioning holes can be reasonably arranged. The four corners or the middle area of the upper module of the first module can be selected to set the first positioning holes to ensure the minimum tolerance. According to the size of the first connecting portion, a first positioning pin (usually a cylindrical pin) with a suitable diameter and length is selected. Ensure that the tolerance of the first positioning pin meets the requirements so that it can be closely fitted. The positioning pin usually uses high-strength steel, such as quenched steel, to enhance wear resistance and service life. In this way, when the first positioning pin is placed in the first positioning hole, the upper module of the first module is connected to the first connecting portion, and under the pushing action of the feeding mechanism, the upper module of the first module moves towards the lower module of the first module, and the precise alignment between the upper module and the lower module can be achieved, improving the accuracy and efficiency of the stamping operation, reducing the adjustment time and labor intensity, and at the same time improving product consistency.
[0065] And / or,
[0066] The lower module of the first module and the reference planes on the second bed 102 can be selected as the design reference points, and these reference planes are usually planes that are easy to access and convenient for machining. According to the size and shape of the lower module of the first module, the positions of the second positioning holes can be reasonably arranged. The four corners or the middle area of the lower module of the first module can be selected to set the second positioning holes to ensure the minimum tolerance. According to the size of the second connecting portion, a second positioning pin (usually a cylindrical pin) with a suitable diameter and length is selected. Ensure that the tolerance of the second positioning pin meets the requirements so that it can be closely fitted. The positioning pin usually uses high-strength steel, such as quenched steel, to enhance wear resistance and service life. In this way, when the second positioning pin is placed in the second positioning hole, the lower module of the first module is connected to the second connecting portion, and under the pushing action of the feeding mechanism, the upper module of the first module moves towards the lower module of the first module, and the precise alignment between the upper module and the lower module can be achieved, improving the accuracy and efficiency of the stamping operation, reducing the adjustment time and labor intensity, and at the same time improving product consistency.
[0067] It should be understood that the upper module of the second module can also include the first positioning holes, the lower module of the second module can also include the second positioning holes, and, the upper module of the third module can also include the first positioning holes, and the lower module of the third module can also include the second positioning holes. The same technical effects can be achieved. To avoid repetition, it will not be elaborated here.
[0068] Optionally, the stamping device further includes a support rod 104, the support rod 104 is arranged between the first bed 101 and the second bed 102, and the first bed 101 is spaced from the second bed 102 through the support rod 104.
[0069] In this embodiment, the support rod 104, as a load-bearing component, can effectively enhance the stability between the first bed body 101 and the second bed body 102, so that the entire device will not deform or displace under high-pressure impact. The number of support rods 104 can be four, which are respectively arranged at the four vertex positions of the stamping machine tool. By reasonably dispersing the stress area, the four support rods 104 can evenly transmit and disperse the load from the upper machine tool, reducing local stress concentration. In addition, the support rod 104 can be designed in the form of a guide post to support and guide the alignment of the upper and lower dies. They ensure the coaxiality of the dies during the opening and closing process, thereby improving the dimensional accuracy and consistency of the finished product.
[0070] Moreover, the support rod 104 can also be designed as a height-adjustable tool, which is convenient for pre-adjustment and calibration before the installation of the stamping die, and facilitates quick replacement operation. It reduces the time of repeated trial and error and measurement when installing and adjusting different stamping dies, and improves the overall operation efficiency.
[0071] Optionally, the feeding mechanism 103 includes a buffer structure, and when the feeding mechanism pushes the upper module to move to the lower module, the buffer structure is in a stretched state.
[0072] In this embodiment, by arranging a buffer structure in the feeding mechanism 103, during the stamping process, due to the huge instantaneous pressure, the impact force directly transmitted to the machine tool and the die will be very large. When the feeding mechanism pushes the upper module to move to the lower module, the buffer structure is in a stretched state, which can play a role in shock absorption and buffering, and reduce the negative impact of the impact force on the upper and lower modules and the machine tool itself. Through energy absorption and shock absorption, the buffer structure can help maintain the smoothness during the processing process and ensure the processing quality of the final product.
[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 existence of additional identical elements 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 utility model have been described above in conjunction with the accompanying drawings. However, the present utility model is not limited to the above specific embodiments. The above specific embodiments are merely illustrative rather than restrictive. Under the inspiration of the present utility model, those of ordinary skill in the art can also make many forms without departing from the purpose of the present utility model and the scope protected by the claims, and all of them fall within the protection scope of the present utility model.
Claims
1. A punching device, characterized in that: include: A stamping machine, the stamping machine comprising a first bed, a second bed and a feeding mechanism, the first bed and the second bed are arranged opposite to each other, one end of the feeding mechanism is connected to the first bed, the other end of the feeding mechanism faces the second bed, a first connecting portion is provided at one end of the feeding mechanism facing the second bed, and a second connecting portion is provided at one side of the second bed facing the feeding mechanism; A stamping die, wherein the stamping die comprises a first die group and a second die group, wherein the first die group and the second die group both comprise an upper module and a lower module, wherein the upper module and the lower module of the same die group are matched, wherein the upper module is detachably connected to the first connecting portion, wherein the lower module is detachably connected to the second connecting portion, and wherein the processing accuracy of the second die group is greater than that of the first die group.
2. The punching device according to claim 1, characterized in that: The stamping die also includes a third module group, the upper module of the third module group is detachably connected to the first connecting part, the lower module of the third module group is detachably connected to the second connecting part, the processing accuracy of the third module group is greater than the processing accuracy of the first module group, and the processing accuracy of the third module group is less than the processing accuracy of the second module.
3. The punching device according to claim 1, characterized in that: The upper module includes a first magnetic member, the first connecting portion includes a second magnetic member, and the upper module and the first connecting portion are magnetically connected via the first magnetic member and the second magnetic member respectively; and / or, The lower module includes a third magnetic member, the second connecting portion includes a fourth magnetic member, and the lower module and the second connecting portion are magnetically connected via the third magnetic member and the fourth magnetic member, respectively.
4. The punching device according to claim 3, characterized in that: The stamping device further includes a power supply device and a coil electrically connected to the power supply device, and the coil is wound around the first connecting portion and / or the second connecting portion.
5. The punching device according to claim 1, characterized in that: The upper module includes a first clamping member, the first connecting portion further includes a second clamping member, and the upper module and the first connecting portion are clamped together by the first clamping member and the second clamping member respectively; and / or, The lower module includes a third clamping member, the second connecting portion includes a fourth clamping member, and the lower module and the second connecting portion are clamped together via the third clamping member and the fourth clamping member, respectively.
6. The punching device according to any one of claims 3 to 5, characterized in that: The upper module further includes a first positioning hole, and the first connecting portion further includes a first positioning pin. When the first positioning pin is placed in the first positioning hole, the upper module is connected to the first connecting portion, and the upper module moves toward the lower module under the pushing action of the feeding mechanism; and / or, The lower module also includes a second positioning hole, and the second connecting portion also includes a second positioning pin. When the second positioning pin is placed in the second positioning hole, the lower module is connected to the second connecting portion, and the upper module moves toward the lower module under the propulsion of the feeding mechanism.
7. The punching device according to claim 1, characterized in that: A projection area of the second module onto the second bed is greater than a projection area of the first module onto the second bed.
8. The punching device according to claim 1, characterized in that: A first difference between the size of the first stamping space and the target stamping size is greater than a second difference between the size of the second stamping space and the target stamping size. The first stamping space is a stamping space formed by the upper module and the lower module corresponding to the first module group, and the second stamping space is a stamping space formed by the upper module and the lower module corresponding to the second module group.
9. The punching device according to claim 1, characterized in that: The punching device further includes a support rod, wherein the support rod is disposed between the first bed and the second bed, and the first bed is spaced apart from the second bed by the support rod.
10. The punching device according to claim 1, characterized in that: The feeding mechanism comprises a buffer structure, and when the feeding mechanism pushes the upper module to move to the lower module, the buffer structure is in a stretched state.