Stamping upper die and stamping die

Abstract

The utility model relates to a stamping upper die and a stamping die. The stamping upper die comprises a die holder assembly; the stripping assembly is movably arranged below the die holder assembly; the first insert core is arranged between the die holder assembly and the stripping assembly in a penetrating manner; the second insert core is embedded in the first insert core; the punch is arranged in the second insert core and the first insert core in a penetrating manner; the upper stamping die has a die opening state and a die closing state, in the die opening state, the blanking end of the punch is contained in the stripping assembly, and in the die closing state, the blanking end of the punch extends out of the stripping assembly. According to the technical scheme, the technical problem that a traditional punch is short in service life is effectively solved.

Description

Technical Field

[0001] The present application relates to the field of mold technology, and in particular to a stamping upper mold and a stamping mold. Background Art

[0002] The punch, also called a punch rod, a punch needle or a punch, is a metal part on the stamping die. It is generally installed on the upper die to perform continuous blanking, stamping and breaking operations to separate or plastically deform the processed material, thereby obtaining the desired finished product or semi-finished product.

[0003] In the related art, the punch is generally small, its length and width are relatively large, and its overall strength is relatively low. The punch often breaks during the punching process, which affects the service life of the punch. Utility Model Content

[0004] The present application provides a stamping upper die and a stamping die to solve the technical problem of short service life of traditional punches.

[0005] To this end, in a first aspect, an embodiment of the present application provides a stamping upper die, which includes: a die base assembly, a shedding assembly, a first insert, a second insert, and a punch;

[0006] A stripping assembly, movably arranged below the die base assembly;

[0007] The first insert is arranged between the die base component and the stripping component;

[0008] A second slot is embedded in the first slot; and

[0009] The punch is inserted into the second insert and the first insert; the stamping upper mold has an open mold state and a closed mold state. In the open mold state, the punching end of the punch is accommodated in the stripping component, and in the closed mold state, the punching end of the punch extends out of the stripping component.

[0010] In a possible implementation manner, a plurality of second plungers are provided, and the plurality of second plungers are distributed in the first plunger at intervals along the axial direction of the punch.

[0011] In a possible implementation manner, it further includes a plurality of third pockets disposed in the first pocket, the third pockets being disposed above the second pockets, and one third pocket corresponding to one second pocket.

[0012] In a possible implementation manner, it further includes a fourth insert arranged in the stripping assembly, the first insert is connected to the fourth insert, and the punch penetrates the first insert, the second insert and the fourth insert.

[0013] In a possible implementation, a fifth plunger is further included which is axially connected to the fourth plunger. The fifth plunger is disposed on a side of the fourth plunger away from the die base assembly. The punch penetrates the first plunger, the second plunger, the fourth plunger and the fifth plunger.

[0014] In a possible implementation, the stripping assembly includes a stripping plate and a stop plate that are connected, the stripping plate is arranged on a side of the stop plate away from the mold base assembly, and the fourth insert and the fifth insert are both arranged in the stripping plate.

[0015] In a possible implementation, the first punch includes a first connection portion and a second connection portion connected along the radial direction of the punch, and the second connection portion penetrates the die base assembly and the stripping assembly.

[0016] In a possible embodiment, the mold base assembly includes a connected upper mold base and an upper clamping plate, the upper clamping plate is arranged on the side of the upper mold base facing the stripping assembly, the first connecting part is embedded in the upper clamping plate, one end of the second connecting part is embedded in the upper clamping plate, and the other end extends out of the upper clamping plate and is at least partially passed through the stripping assembly.

[0017] In a possible implementation, the mold base assembly further includes an upper pad and a fastener, wherein the upper pad is disposed between the upper mold base and the upper clamping plate, and the fastener is passed between the first connecting portion and the upper pad.

[0018] On the second aspect, the present application also provides a stamping die, including a stamping lower die and the stamping upper die mentioned above, the stamping lower die is provided with connected punching holes and blanking holes, the punching holes correspond to the punch setting of the stamping upper die, and the blanking holes are located below the punching holes.

[0019] According to the stamping upper die and stamping die provided by the embodiment of the present application, it includes: a die base assembly; a stripper assembly, movably arranged below the die base assembly; a first insert, inserted between the die base assembly and the stripper assembly; a second insert, embedded in the first insert; and a punch, inserted in the second insert and the first insert; the stamping upper die has an open die state and a closed die state, in the open die state, the punching end of the punch is accommodated in the stripper assembly, and in the closed die state, the punching end of the punch extends out of the stripper assembly. The technical solution of the present application can not only strengthen the axial protection of the punch and reduce the risk of breakage of the punch by extending the first insert so that it passes through the die base assembly and the stripper assembly at the same time; but also can guide the punch through the first insert inserted in the stripper assembly, thereby improving the punching accuracy and punching effect. In addition, compared with the problem that traditional punches can only be repaired once, the present application not only extends the first insert, but also adds a second insert to the first insert, so that the number of repair times of the stamping die can be increased through the cooperation between the second insert and the first insert, thereby extending the service life of the punch. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings herein are incorporated into the specification and constitute a part of the specification, showing embodiments that conform to the present application, and are used together with the specification to explain the principles of the present application. In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can also be obtained based on these drawings without paying creative labor. One or more embodiments are exemplarily illustrated by the pictures in the corresponding drawings. These exemplified descriptions do not constitute a limitation on the embodiments. Elements with the same reference numerals in the drawings are represented as similar elements. Unless otherwise stated, the figures in the drawings do not constitute a proportional limitation.

[0021] Figure 1 A schematic diagram of the structure of the stamping die set provided in the embodiment of the present application;

[0022] Figure 2 A schematic diagram of the partial structure of the stamping upper die provided in an embodiment of the present application;

[0023] Figure 3 A schematic diagram of the three-dimensional structure of the insert portion of the stamping upper die provided in an embodiment of the present application;

[0024] Figure 4 for Figure 3 A local axial cross-section of .

[0025] Description of reference numerals:

[0026] 100, die base assembly; 110, upper die base; 120, upper clamping plate; 130, upper pad; 140, fastener;

[0027] 200, stripping assembly; 210, stripping plate; 220, stop plate;

[0028] 300, first entry; 310, first connection portion; 320, second connection portion;

[0029] 400, second insert; 500, punch; 600, third insert; 700, fourth insert; 800, fifth insert;

[0030] Y, axial direction; X, radial direction;

[0031] 10. Stamping lower die; 11. Lower die base; 12. Lower pad; 13. Lower mold plate; 20. Stamping upper die. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0033] The disclosure below provides many different embodiments or examples to realize the different structures of the present application. In order to simplify the disclosure of the present application, the parts and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the present application. In addition, the present application can repeat reference numbers and / or letters in different examples. This repetition is for the purpose of simplification and clarity, and does not indicate the relationship between the various embodiments and / or settings discussed in itself. In addition, the various specific processes and examples of materials provided by the present application, but those of ordinary skill in the art can appreciate the applicability of other processes and / or the use of other materials.

[0034] For ease of description, spatial relative terms may be used herein to describe the relative positional relationship or movement of one element or feature relative to another element or feature as shown in the figure, such as "inside", "outside", "inner side", "outer side", "below", "below", "above", "above", "front", "back", etc. Such spatial relative terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the figure. For example, if the device in the figure undergoes a position flip or a posture change or a motion state change, then these directional indications also change accordingly, for example: an element described as "below other elements or features" or "below other elements or features" will subsequently be oriented as "above other elements or features" or "above other elements or features". Therefore, the example term "below..." may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative descriptors used herein are interpreted accordingly.

[0035] See also Figures 1 to 4 The embodiment of the present application provides a stamping upper die, which includes: a die base assembly 100, a stripping assembly 200, a first insert 300, a second insert 400 and a punch 500;

[0036] The stripping assembly 200 is movably disposed below the die base assembly 100;

[0037] The first insert 300 is inserted between the mold base assembly 100 and the stripping assembly 200;

[0038] The second housing 400 is embedded in the first housing 300; and

[0039] The punch 500 is inserted into the second insert 400 and the first insert 300; the stamping upper die 20 has an open state and a closed state. In the open state, the shearing end of the punch 500 is accommodated in the stripping assembly 200, and in the closed state, the shearing end of the punch 500 extends out of the stripping assembly 200.

[0040] In this embodiment, by extending the first insert 300 so that it passes through the die base assembly 100 and the stripper assembly 200 at the same time, the axial Y protection of the punch 500 can be strengthened and the risk of damage to the punch 500 can be reduced; the first insert 300 inserted in the stripper assembly 200 can also be used to guide the punch 500, thereby improving the punching accuracy and punching effect. In addition, compared with the problem that the traditional punch 500 can only be repaired once, the present application adds a second insert 400 to the first insert 300 on the basis of extending the first insert 300, so as to increase the number of repairs of the stamping upper die 20 and extend the service life of the punch 500 through the cooperation of the second insert 400 and the first insert 300.

[0041] Specifically, the stamping upper die 20 is configured as a composite component including at least a die base assembly 100, a stripper assembly 200, a first insert 300, a second insert 400 and a punch 500. The die base assembly 100 and the stripper assembly 200 can be elastically connected by elastic members such as springs or elastic mechanisms. In this way, when the stamping upper die 20 is in the mold opening state, the stripper assembly 200 and the die base assembly 100 are separated and disengaged from each other. At this time, the elastic member is in a stretched state and can provide an axial Y constraint force to the stripper assembly 200, so that it is in contact with the die base assembly 100. The die base assembly 100 remains connected, and the blanking end of the punch 500 is received in the stripping assembly 200; when the stamping upper die 20 is in the closed mold state, the lower part of the stripping assembly 200 is pressed against the stamping lower die 10, and under the action of the continuous downward external force, the upper part of the stripping assembly 200 is pressed against the lower part of the die base assembly 100. At this time, the elastic member is in a compressed state and can provide the stripping assembly 200 with an elastic force to restore to its original position. The blanking end of the punch 500 extends out of the stripping assembly 200 and is stamped onto the workpiece to be stamped, thereby realizing the processing of the workpiece to be stamped. The first insert 300 can be a long columnar injection molded part, the top of which is fixedly embedded in the die base assembly 100, and the bottom of which is movably inserted in the stripping assembly 200. The axial Y length of the first insert 300 extending into the stripping assembly 200 in the closed mold state is greater than the axial Y length of the first insert 300 extending into the stripping assembly 200 in the open mold state. The second insert 400 may be a small truncated cone injection molded part, which is embedded in the first insert 300. The second insert 400 is provided with a through hole for avoiding the punch 500. The aperture of the through hole is equivalent to the outer diameter of the slender shaft of the punch 500, and the aperture of the through hole is smaller than the radial X dimension of the head of the punch 500. In this way, the second insert 400 forms a secondary or multiple stop between the head of the punch 500 and the slender shaft, thereby increasing the number of times the punch 500 can be repaired and extending the service life of the punch 500. The punch 500 may be a hard metal part, which includes a head with a larger radial X dimension and a slender shaft with a smaller radial X dimension. The axial Y length of the slender shaft is much larger than the axial Y length of the head, and the end of the slender shaft away from the head is the blanking end.

[0042] See also Figures 1 to 4In a possible embodiment, a plurality of second inserts 400 are provided, and the plurality of second inserts 400 are distributed in the first insert 300 at intervals along the axial direction Y of the punch 500. With such a configuration, the number of times the stamping upper die 20 is repaired can be increased at least by the number of second inserts 400, thereby extending the service life of the stamping die. It should be explained that the first insert 300 can provide one repair time for the stamping upper die 20. If only one first insert 300 is provided, the punch 500 can be repaired once and has a service life of two times. One second insert 400 can provide at least two repair times for the stamping upper die 20. If three second inserts 400 are provided, the punch 500 can be repaired four times, and the punch 500 has a service life of five times. In this way, the number of times the punch 500 is repaired is increased by adding the second insert 400, and the service life of the punch 500 is greatly extended by providing multiple second inserts 400.

[0043] See also Figure 2 and Figure 4 In a possible implementation manner, it further includes a plurality of third inputs 600 disposed in the first input 300 , the third inputs 600 are disposed above the second inputs 400 , and one third input 600 is disposed corresponding to one second input 400 .

[0044] In this embodiment, the specific configuration of the stamping upper die 20 is further optimized. Specifically, the stamping upper die 20 is configured as a composite component including at least a die base assembly 100, a stripping assembly 200, a first insert 300, a second insert 400, a punch 500 and a third insert 600. The third insert 600 may be a cylindrical structure, on which a avoidance hole is provided for the slender shaft of the punch 500 to pass through. The radial X dimension of the third insert 600 is smaller than the radial X dimension of the second insert 400, so as to reduce the space occupied by the third insert 600, thereby increasing the connection stability between the third insert 600 and the first insert 300, and increasing the number of reworks of the stamping upper die 20 through the third insert 600, thereby extending the service life of the stamping die. For example but not limited to, three third inserts 600 are provided. At this time, three second inserts 400 are also provided. Then, the punch 500 can be provided with a total of 7 rework times through the first insert 300, the second insert 400 and the third insert 600. The punch 500 has a service life of at least 8 times, and the service life of the stamping upper die 20 is greatly extended.

[0045] See also Figures 1 to 3 In a possible implementation, it also includes a fourth insert 700 disposed in the stripping assembly 200, the first insert 300 is connected to the fourth insert 700, and the punch 500 is inserted into the first insert 300, the second insert 400 and the fourth insert 700.

[0046] In this embodiment, the specific configuration of the stamping upper die 20 is further optimized. Specifically, the stamping upper die 20 is configured as a composite component including at least a die base assembly 100, a stripping assembly 200, a first insert 300, a second insert 400, a punch 500 and a fourth insert 700. The fourth insert 700 can be a nearly cubic columnar structure, on which a movable hole is provided to avoid the first insert 300, and the movable hole runs through the axial direction Y of the fourth insert 700. In this way, in the mold opening state, the free end of the first insert 300 partially extends into the movable hole of the fourth insert 700, and there is still a surplus axial Y space in the movable hole; in the mold closing state, the free end of the first insert 300 completely extends into the movable hole of the fourth insert 700 and fills the axial Y space of the movable hole. In this way, the first insert 300 and the second insert 400 are used to improve the guiding accuracy of the punch 500 on the die base assembly 100 side, and the first insert 300 and the fourth insert 700 are used to improve the guiding accuracy of the punch 500 on the stripping assembly 200 side, so as to improve the blanking accuracy and blanking effect of the punch 500 at least from two levels of stamping the upper die 20. In addition, the fourth insert 700 can also improve the guidance of the first insert 300, so that the first insert 300 moves in an orderly manner in the movable hole of the fourth insert 700, and enhance the mechanical protection of the first insert 300 and the mechanical protection of the slender shaft of the punch 500.

[0047] See also Figures 1 to 3 In a possible implementation, it further includes a fifth insert 800 connected to the fourth insert 700 in the axial direction Y, the fifth insert 800 is disposed on a side of the fourth insert 700 away from the die base assembly 100, and the punch 500 is penetrated through the first insert 300, the second insert 400, the fourth insert 700 and the fifth insert 800.

[0048] In this embodiment, the specific configuration of the stamping upper die 20 is further optimized. Specifically, the stamping upper die 20 is configured as a composite component including at least a die base assembly 100, a stripping assembly 200, a first insert 300, a second insert 400, a punch 500, a fourth insert 700, and a fifth insert 800. The fifth insert 800 can be a columnar structure approximately in the shape of a cube, and is provided with a through hole for the slender shaft of the punch 500 to pass through. The fifth insert 800 is arranged below the fourth insert 700. In this way, the double-layer guidance of the punch 500 can be achieved on the stripping assembly 200 side through the fourth insert 700 and the fifth insert 800, further improving the blanking accuracy of the punch 500.

[0049] In a possible embodiment, the stripping assembly 200 includes a connected stripping plate 210 and a stop plate 220 , the stripping plate 210 is disposed on a side of the stop plate 220 away from the mold base assembly 100 , and the fourth insert 700 and the fifth insert 800 are both disposed in the stripping plate 210 .

[0050] In this embodiment, the specific configuration of the stripping assembly 200 is optimized. Specifically, the stripping assembly 200 is configured as a combined component including at least a stripping plate 210 and a stop plate 220, the thickness of the stripping plate 210 is greater than the thickness of the stop plate 220, the length of the stripping plate 210 is equivalent to the length of the stop plate 220, and the stop plate 220 can be connected to the stripping plate 210 by welding / bonding or screw connection; the stop plate 220 can limit the mold base assembly 100 in the mold closing state, thereby protecting the stripping plate 210. The stripping plate 210 is provided with stripping holes for the fourth insert 700 and the fifth insert 800 to be embedded, and the stop plate 220 is provided with a stop hole for the first insert 300 to pass through. The stop hole is arranged opposite to the stripping hole, and the radial X dimension of the stop hole is smaller than the radial X dimension of the stripping hole, so as to avoid the stop hole being too large and causing poor guiding effect of the first insert 300, thereby improving the guiding accuracy of the first insert 300.

[0051] See also Figures 1 to 4 In a possible implementation, the first punch 300 includes a first connection portion 310 and a second connection portion 320 connected along a radial direction X of the punch 500 , and the second connection portion 320 is disposed through the die base assembly 100 and the stripping assembly 200 .

[0052] In this embodiment, the specific configuration of the first insert 300 is optimized. Specifically, the first insert 300 is configured as a composite component including at least a first connection portion 310 and a second connection portion 320, the axial Y length of the first connection portion 310 is smaller than the axial Y length of the second connection portion 320, the axial Y width of the first connection portion 310 is smaller than the axial Y width of the second connection portion 320, the first connection portion 310 is flush with one end of the second connection portion 320, and the other end is arranged in a stepped shape. The first connection portion 310 can be a columnar structure with a fixing hole, and the fixing hole can cooperate with an external screw / bolt, etc. to lock the first insert 300. The second connection portion 320 can be a long columnar structure with an installation channel, the second insert 400 and the third insert 600 are both arranged in the installation channel, and the punch 500 is penetrated in the installation channel. In this way, the first connecting portion 310 and part of the second connecting portion 320 can enhance the connection stability between the first insert 300 and the die base assembly 100 at least in the radial direction X of the punch 500, and can also reduce the space occupied by the first insert 300 in the stripping assembly 200, thereby facilitating the movement of the stripping assembly 200.

[0053] In one example, the first connection portion 310 can be connected to the axial Y side wall of the second connection portion 320 by welding or bonding. Of course, to reduce assembly processes, the first connection portion 310 and the second connection portion 320 can also be an integral injection molded part.

[0054] See also Figure 1 and Figure 2 In a possible embodiment, the mold base assembly 100 includes a connected upper mold base 110 and an upper clamping plate 120, the upper clamping plate 120 is arranged on the side of the upper mold base 110 facing the stripping assembly 200, the first connecting portion 310 is embedded in the upper clamping plate 120, one end of the second connecting portion 320 is embedded in the upper clamping plate 120, and the other end extends out of the upper clamping plate 120 and is at least partially penetrated into the stripping assembly 200.

[0055] In this embodiment, the specific configuration of the die base assembly 100 is optimized. Specifically, the die base assembly 100 is configured as a combined component including at least an upper die base 110 and an upper clamping plate 120, wherein the thickness of the upper die base 110 is greater than the thickness of the upper clamping plate 120, and the width of the upper die base 110 is greater than the width of the upper clamping plate 120, so that the upper die base 110 provides a stable supporting environment for the upper clamping plate 120, thereby ensuring the operation stability of the upper clamping plate 120.

[0056] See also Figure 1 and Figure 2 In a possible implementation, the mold base assembly 100 further includes an upper pad 130 and a fastener 140 , the upper pad 130 is disposed between the upper mold base 110 and the upper clamping plate 120 , and the fastener 140 is passed through between the first connecting portion 310 and the upper pad 130 .

[0057] In this embodiment, the specific configuration of the die base assembly 100 is further optimized. Specifically, the die base assembly 100 is configured as a composite component including at least an upper die base 110, an upper clamping plate 120, an upper pad 130 and a fastener 140. The upper pad 130 is configured between the upper die base 110 and the upper clamping plate 120 to buffer the punching force of the punch 500 during punching, thereby protecting the upper die base 110. The thickness of the upper pad 130 is smaller than the thickness of the upper clamping plate 120 to reduce the space occupied in the axial direction Y. The width of the upper pad 130 is equivalent to that of the upper clamping plate 120, so as to completely remove the punching force from the upper clamping plate 120. The fastener 140 can be a component such as a screw / bolt. The upper pad 130 is provided with a fastening hole for the fastener 140 to pass through. The fastener 140 passes through the fixing hole in the first connecting part 310 from the side of the upper clamping plate 120 and is inserted into the fastening hole of the upper pad 130 to achieve the connection and fastening of the first insert 300 and the upper pad 130, thereby achieving the connection and fastening of the upper clamping plate 120 and the upper pad 130.

[0058] In addition, see Figure 1The present application also provides a stamping die, including a stamping lower die 10 and the stamping upper die 20 described above. The stamping lower die 10 is provided with a connected punching hole and a blanking hole. The punching hole is arranged corresponding to the punch 500 of the stamping upper die 20, and the blanking hole is located below the punching hole. The specific structure of the stamping upper die 20 refers to the above embodiment. Since the present stamping die adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought by the technical solutions of the above embodiments, which will not be repeated here one by one.

[0059] In one example, the stamping lower die 10 includes a lower die base 11, a lower pad 12 and a lower template 13 arranged in sequence from bottom to top. The lower die base 11 is arranged at the bottom to provide support force for the lower template 13 and the lower pad 12 to ensure the stability of the punching process; the lower template 13 is arranged on the side of the upper clamping plate 120 facing the stamping upper die 20 to carry the workpiece to be punched and to bear the pressure from the punch 500, the upper clamping plate 120 and the fifth insert 800; the lower pad 12 is arranged between the lower die base 11 and the lower template 13 to buffer the punching force of the punch 500 during punching. The thickness of the lower die base 11 is greater than the thickness of the lower template 13, and the thickness of the lower template 13 is greater than the thickness of the lower pad 12; the width of the lower die base 11 is greater than the width of the lower template 13, and the width of the lower template 13 is equivalent to the width of the lower pad 12, so that the stamping lower die 10 can be in a stable state during punching to ensure the normal progress of the punching operation. The counter-punching hole is arranged on the lower template 13 and penetrates the lower template 13 in the axial direction Y of the punch 500, so as to avoid the punch 500. The blanking hole is arranged in the lower pad 12 and the lower die seat 11 and penetrates the lower pad 12 and the lower die seat 11 in the axial direction Y of the punch 500. The blanking hole is connected to the lower side of the counter-punching hole and is used to discharge the blanking waste.

[0060] It should be understood that the terms used herein are only for the purpose of describing specific example embodiments and are not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms "one", "an" and "said" as used herein may also be meant to include plural forms. The terms "include", "comprise", "contain", and "have" are inclusive, and therefore specify the existence of stated features, steps, operations, elements and / or parts, but do not exclude the existence or addition of one or more other features, steps, operations, elements, parts, and / or combinations thereof. The method steps, processes, and operations described herein are not interpreted as necessarily requiring them to be performed in the specific order described or illustrated, unless the execution order is clearly indicated. It should also be understood that additional or alternative steps may be used.

[0061] Although the terms first, second, third, etc. can be used in the text to describe multiple elements, components, regions, layers and / or sections, these elements, components, regions, layers and / or sections should not be limited by these terms. These terms can only be used to distinguish an element, component, region, layer or section from another region, layer or section. Unless the context clearly indicates, terms such as "first", "second" and other numerical terms do not imply order or sequence when used in the text. Therefore, the first element, component, region, layer or section discussed below can be referred to as the second element, component, region, layer or section without departing from the teaching of the example embodiments.

[0062] The above description is only a specific implementation of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features applied for herein.

Claims

1. A stamping upper die, characterized in that: include: A mold base assembly (100); A stripping assembly (200) movably disposed below the die base assembly (100); A first insert (300) is inserted between the mold base assembly (100) and the stripping assembly (200); A second insert (400) is embedded in the first insert (300); as well as The punch (500) is inserted into the second insert (400) and the first insert (300); the stamping upper die has an open die state and a closed die state. In the open die state, the punching end of the punch (500) is accommodated in the stripping component (200); in the closed die state, the punching end of the punch (500) extends out of the stripping component (200).

2. The stamping upper die according to claim 1, characterized in that: A plurality of the second plungers (400) are provided, and the plurality of the second plungers (400) are distributed in the first plunger (300) at intervals along the axial direction Y of the punch (500).

3. The stamping upper die according to claim 2, characterized in that: It also includes a plurality of third inserts (600) embedded in the first insert (300), wherein the third inserts (600) are arranged above the second insert (400), and one third insert (600) is arranged corresponding to one second insert (400).

4. The stamping upper die according to claim 1, characterized in that: It also includes a fourth insert (700) arranged in the stripping component (200), the first insert (300) is connected to the fourth insert (700), and the punch (500) is inserted into the first insert (300), the second insert (400) and the fourth insert (700).

5. The stamping upper die according to claim 4, characterized in that: The invention also includes a fifth plunger (800) axially connected to the fourth plunger (700), wherein the fifth plunger (800) is disposed on a side of the fourth plunger (700) away from the die base assembly (100), and the punch (500) is inserted into the first plunger (300), the second plunger (400), the fourth plunger (700) and the fifth plunger (800).

6. The stamping upper die according to claim 5, characterized in that: The stripping assembly (200) comprises a stripping plate (210) and a stop plate (220) which are connected to each other. The stripping plate (210) is arranged on a side of the stop plate (220) away from the mold base assembly (100). The fourth insert (700) and the fifth insert (800) are both arranged in the stripping plate (210).

7. The stamping upper die according to claim 1, characterized in that: The first insert (300) comprises a first connecting portion (310) and a second connecting portion (320) connected along a radial direction X of the punch (500), and the second connecting portion (320) is penetrated by the die base assembly (100) and the stripping assembly (200).

8. The stamping upper die according to claim 7, characterized in that: The die base assembly (100) comprises an upper die base (110) and an upper clamping plate (120) which are connected, wherein the upper clamping plate (120) is arranged on a side of the upper die base (110) facing the stripping assembly (200), the first connecting portion (310) is embedded in the upper clamping plate (120), and one end of the second connecting portion (320) is embedded in the upper clamping plate (120), and the other end extends out of the upper clamping plate (120) and is at least partially penetrated into the stripping assembly (200).

9. The stamping upper die according to claim 8, characterized in that: The die base assembly (100) further comprises an upper pad (130) and a fastener (140), wherein the upper pad (130) is arranged between the upper die base (110) and the upper clamping plate (120), and the fastener (140) is passed between the first connecting portion (310) and the upper pad (130).

10. A stamping die, characterized in that: It comprises a stamping lower die (10) and a stamping upper die (20) as described in any one of claims 1 to 9, wherein the stamping lower die (10) is provided with a connected counter-punching hole and a blanking hole, the counter-punching hole is arranged corresponding to the punch (500) of the stamping upper die (20), and the blanking hole is located below the counter-punching hole.

Images