Stripping structure for stamping die

Abstract

The utility model discloses a stripping structure for a stamping die, which comprises an upper die mechanism, a lower die mechanism and a lower die mechanism, the upper die mechanism comprises a clamping plate, a stripping back plate and a stripping plate, the stripping back plate is mounted on the clamping plate, and the stripping plate is mounted on the stripping back plate; the first slotting tool assembly, the second slotting tool assembly, the stripper plate insert core and the piercing punch are fixedly mounted on the stripper plate; the lower die mechanism is located below the upper die mechanism and comprises a lower base plate, a lower die plate installed on the lower base plate, a first lower die moving assembly and a second lower die moving assembly, and the first lower die moving assembly and the second lower die moving assembly are installed on the lower base plate. The lower die knife edge is installed on the lower die plate, and the material ejecting assembly is installed in the lower die knife edge; one end of the bottom of the material ejecting assembly is placed on the first lower die moving assembly, the other end of the bottom of the material ejecting assembly is placed on the second lower die moving assembly, the bottom of the first slotting tool assembly abuts against the first lower die moving assembly, and the bottom of the second slotting tool assembly abuts against the second lower die moving assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of stamping dies, in particular to a stripping structure for stamping dies. Background Art

[0002] A stamping die is a special process equipment used to process materials into parts or semi-finished products during cold stamping. It is called a cold stamping die. Stamping is a pressure processing method that uses a die installed on a press to apply pressure to the material at room temperature to separate or plastically deform the material, thereby obtaining the desired parts. A die is a tool used to shape objects. This tool consists of various parts. Different dies are composed of different parts. It mainly realizes the processing of the shape of the object by changing the physical state of the material being formed. When the existing stamping die was developed, the old puncture structure adopted a bottom spring stripping method. After a certain number of spring stripping methods were produced, the spring was prone to fatigue, resulting in uneven stripping. Utility Model Content

[0003] In order to solve the above problems, the utility model provides a stripping structure for a stamping die. When the die is closed, the first knife assembly and the second knife assembly respectively drive the first lower die moving assembly and the second lower die moving assembly to move left and right, so that the ejecting assembly moves down and the piercing punch moves down, and the piercing punch can pierce the material strip; when the die is opened, the clamping plate, the stripping back plate and the stripping plate move up to drive the first knife assembly and the second knife assembly to move up, and the first knife assembly and the second knife assembly respectively drive the first lower die moving assembly and the second lower die moving assembly to move left and right, and then the ejecting assembly is driven up by the first lower die moving assembly and the second lower die moving assembly, so that the product located on the lower die blade is ejected, so as to achieve the purpose of stripping. The present scheme has a stable structure and convenient stripping, can be used for a long time, and greatly extends the service life of the die.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is to provide a stripping structure for a stamping die, comprising:

[0005] An upper mold mechanism, the upper mold mechanism comprising a clamping plate, a stripping plate installed on the clamping plate, a stripping plate installed on the stripping plate; a first inserting knife assembly fixedly installed on the stripping plate, a second inserting knife assembly, a stripping plate insert, and a piercing punch;

[0006] A lower mold mechanism is located below the upper mold mechanism, and the lower mold mechanism includes a lower pad, a lower mold plate installed on the lower pad, a first lower mold moving assembly and a second lower mold moving assembly installed on the lower pad; a lower mold blade installed on the lower mold plate, and a ejector assembly installed in the lower mold blade; one end of the bottom of the ejector assembly is placed on the first lower mold moving assembly, and the other end of the bottom of the ejector assembly is placed on the second lower mold moving assembly, the bottom of the first insert knife assembly abuts against the first lower mold moving assembly, and the bottom of the second insert knife assembly abuts against the second lower mold moving assembly.

[0007] As a preferred embodiment, the lower pad is provided with a pad groove, the first lower mold moving assembly and the second lower mold moving assembly are both located in the pad groove, one end of the first insert knife assembly and the second insert knife assembly are both located in the pad groove, and one end of the ejecting assembly is located in the pad groove.

[0008] As a preferred solution, the first lower die moving assembly includes a first lower die seat and a first lower die slider installed on the first lower die seat, the first lower die seat and the first lower die slider are both located in the pad groove, the first lower die seat is provided with a first stopper, the first stopper is provided with a first slide groove, one end of the first lower die slider is slidably installed in the first slide groove, and the first lower die slider abuts against the first insert knife assembly.

[0009] As a preferred embodiment, the first insert blade assembly includes a first outer insert blade and a first inner insert blade, the tops of the first outer insert blade and the first inner insert blade are fixedly mounted on the backing plate, the first outer insert blade is provided with a first movable groove, the first inner insert blade has a first upper inclined portion, the first lower mold slider has a first lower inclined portion, the first upper inclined portion is matched with the first lower inclined portion, and one end of the first lower mold slider is located in the first movable groove.

[0010] As a preferred solution, the second lower die moving assembly includes a second lower die base and a second lower die slider installed on the second lower die base, the second lower die base and the second lower die slider are both located in the pad groove, the second lower die base is provided with a second stopper, the second stopper is provided with a second slide groove, one end of the second lower die slider is slidably installed in the second slide groove, and the second lower die slider abuts against the second insert knife assembly.

[0011] As a preferred embodiment, the second insert knife assembly includes a second outer insert knife and a second inner insert knife, the tops of the second outer insert knife and the second inner insert knife are fixedly mounted on the backing plate, the second outer insert knife is provided with a second movable groove, the second inner insert knife has a second upper inclined portion, the second lower mold slider has a second lower inclined portion, the second upper inclined portion is matched with the second lower inclined portion, and one end of the second lower mold slider is located in the second movable groove.

[0012] As a preferred embodiment, the ejection material assembly includes an ejection material block and an ejection material sheet installed on the cutting edge of the lower mold, the piercing punch has a piercing material sheet, one end of the ejection material block is placed on the first lower mold slider, one end of the ejection material block is placed on the second lower mold slider, the bottom end of the ejection material sheet is abutted against the ejection material block, and the top end of the ejection material sheet is located below the piercing material sheet.

[0013] As a preferred embodiment, the lower template is provided with a first outer lower template groove, a first inner lower template groove, a second outer lower template groove, a second inner lower template groove, and a knife edge groove, the middle part of the first outer insert knife is located in the first outer lower template groove, the lower part of the first inner insert knife is located in the first inner lower template groove, the middle part of the second outer insert knife is located in the second outer lower template groove, the lower part of the second inner insert knife is located in the second inner lower template groove, and the lower template blade is located in the knife edge groove.

[0014] As a preferred embodiment, the stripping plate is provided with a first external knife slot, a first internal knife slot, a second external knife slot, a second internal knife slot, and a stripping plate slot, the upper part of the first external knife is located in the first external knife slot, the upper part of the first internal knife is located in the first internal knife slot, the upper part of the second external knife is located in the second external knife slot, the upper part of the second internal knife is located in the second internal knife slot, and the stripping plate insert is located in the stripping plate slot.

[0015] As a preferred embodiment, the splint is provided with a splint groove, the back plate is provided with a back plate groove, the board removal insert is provided with a punch groove and an upper puncture groove connected to the punch groove, the lower die blade is provided with a lower ejector groove, the ejector piece is located in the lower ejector groove, the puncture piece is slidably installed in the upper puncture groove, the upper part of the puncture punch is located in the splint groove, the middle part of the puncture punch is located in the back plate groove, and the lower part of the puncture punch is located in the punch groove, the upper puncture groove and the puncture piece are both multiple and one-to-one matched, and the lower ejector groove and the ejector piece are both multiple and one-to-one matched.

[0016] The working principle of the utility model is as follows: when the mold is closed, the first inserting knife assembly and the second inserting knife assembly respectively drive the first lower mold moving assembly and the second lower mold moving assembly to move left and right, so that the ejecting assembly moves down and the piercing punch moves down, and the piercing punch can pierce the material strip; when the mold is opened, the clamping plate, the back plate and the stripping plate move up to drive the first inserting knife assembly and the second inserting knife assembly to move up, and the first inserting knife assembly and the second inserting knife assembly respectively drive the first lower mold moving assembly and the second lower mold moving assembly to move left and right, and then the ejecting assembly is driven up by the first lower mold moving assembly and the second lower mold moving assembly, so that the product located on the lower mold blade is ejected, so as to achieve the purpose of stripping. The present scheme has a stable structure and convenient stripping, can be used for a long time, and greatly extends the service life of the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The utility model is a schematic diagram of the overall structure of a stripping structure for a stamping die.

[0018] Figure 2 for Figure 1 A schematic diagram of the cross-sectional structure of a stripping structure for a stamping die during mold closing.

[0019] Figure 3 for Figure 1 A schematic diagram of the cross-sectional structure of a stamping die when the stripping structure is opened.

[0020] Figure 4 for Figure 2 A schematic diagram of the exploded structure of part of a stripping structure for a stamping die.

[0021] Figure 5 for Figure 2 A schematic structural diagram of a first lower die moving assembly and a second lower die moving assembly in a stripping structure for a stamping die.

[0022] Figure 6 for Figure 2 A schematic structural diagram of a first inserting knife assembly and a second inserting knife assembly in a stripping structure for a stamping die.

[0023] Figure 7 for Figure 2 A schematic structural diagram of a lower die blade in a stripping structure for a stamping die.

[0024] Figure 8 for Figure 2 A schematic structural diagram of a stripping insert in a stripping structure for a stamping die.

[0025] Fig. 9 for Figure 2 A schematic structural diagram of a piercing punch in a stripping structure for a stamping die.

[0026] Fig.10for Figure 2 A schematic structural diagram of a material ejection component in a material stripping structure for a stamping die.

[0027] Description of the accompanying drawings: 100, lower pad; 110, pad groove; 200, lower template; 210, first outer lower template groove; 220, first inner lower template groove; 230, second outer lower template groove; 240, second inner lower template groove; 250, knife edge groove; 300, stripper plate; 310, first outer knife slot; 320, first inner knife slot; 330, second outer knife slot; 340, second inner knife slot; 350, stripper groove; 400, stripping back plate; 410, back plate groove; 500, clamping plate; 510, clamping plate groove; 600, first lower mold moving assembly; 610, first lower mold seat; 611, first stopper; 612, first slide groove; 620, first lower mold slider; 621, first lower inclined portion; 700, second Lower die moving assembly; 710, second lower die seat; 711, second stopper; 712, second slide groove; 720, second lower die slide block; 721, second lower inclined portion; 800, first insert knife assembly; 810, first outer insert knife; 811, first moving groove; 820, first inner insert knife; 821, first upper inclined portion; 900, second insert knife assembly; 910, second outer insert knife; 911, second moving groove; 920, second inner insert knife; 921, second upper inclined portion; a00, lower die blade; a10, lower ejection groove; b00, stripping insert; b10, punch groove; b20, upper piercing groove; c00, piercing punch; c10, piercing sheet; d00, ejection assembly; d10, ejection block; d20, ejection sheet. DETAILED DESCRIPTION

[0028] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0030] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] like Figures 1 to 9 As shown, the utility model provides a stripping structure for a stamping die, comprising:

[0032] The upper mold mechanism includes a clamping plate 500, a stripping plate 400 mounted on the clamping plate 500, a stripping plate 300 mounted on the stripping plate 400; a first inserting knife assembly 800, a second inserting knife assembly 900, a stripping plate insert b00, and a piercing punch c00 fixedly mounted on the stripping plate 300;

[0033] The lower mold mechanism is located below the upper mold mechanism, and the lower mold mechanism includes a lower pad 100, a lower mold plate 200 installed on the lower pad 100, a first lower mold moving assembly 600 and a second lower mold moving assembly 700 installed on the lower pad 100; a lower mold blade a00 installed on the lower mold plate, and a top material assembly d00 installed in the lower mold blade a00; one end of the bottom of the top material assembly d00 is placed on the first lower mold moving assembly 600, and the other end of the bottom of the top material assembly d00 is placed on the second lower mold moving assembly 700, and the bottom of the first insert knife assembly 800 It abuts against the first lower mold moving component 600, and the bottom of the second knife assembly 900 abuts against the second lower mold moving component 700; the first knife assembly 800 and the second knife assembly 900 respectively drive the first lower mold moving component 600 and the second lower mold moving component 700 to move left and right, and then the first lower mold moving component 600 and the second lower mold moving component 700 drive the ejecting component d00 to move up and down, thereby ejecting the product located on the lower mold blade a00, so as to achieve the purpose of demolding. This solution has a stable structure and is convenient for demolding. It can be used for a long time, which greatly extends the service life of the mold.

[0034] The lower pad 100 is provided with a pad groove 110, the first lower mold moving assembly 600 and the second lower mold moving assembly 700 are both located in the pad groove 110, one end of the first insert knife assembly 800 and the second insert knife assembly 900 are both located in the pad groove 110, and one end of the ejection assembly d00 is located in the pad groove 110.

[0035] The first lower die moving assembly 600 includes a first lower die seat 610 and a first lower die slider 620 installed on the first lower die seat 610. The first lower die seat 610 and the first lower die slider 620 are both located in the pad groove 110. The first lower die seat 610 is provided with a first stopper 611. The first stopper 611 is provided with a first slide groove 612. One end of the first lower die slider 620 is slidably installed in the first slide groove 612. The first lower die slider 620 abuts against the first insert knife assembly 800.

[0036] The first insert blade assembly 800 includes a first external insert blade 810 and a first internal insert blade 820. The tops of the first external insert blade 810 and the first internal insert blade 820 are fixedly mounted on the stripping back plate 400. The first external insert blade 810 is provided with a first movable groove. The first internal insert blade 820 has a first upper inclined portion. The first lower mold slider 620 has a first lower inclined portion 621. The first upper inclined portion is matched with the first lower inclined portion 621. One end of the first lower mold slider 620 is located in the first movable groove.

[0037] The second lower die moving assembly 700 includes a second lower die seat 710 and a second lower die slider 720 installed on the second lower die seat 710. The second lower die seat 710 and the second lower die slider 720 are both located in the pad groove 110. The second lower die seat 710 is provided with a second stop block 711. The second stop block 711 is provided with a second slide groove 712. One end of the second lower die slider 720 is slidably installed in the second slide groove 712. The second lower die slider 720 abuts against the second insert knife assembly 900.

[0038] The second insert blade assembly 900 includes a second outer insert blade 910 and a second inner insert blade 920. The tops of the second outer insert blade 910 and the second inner insert blade 920 are fixedly mounted on the stripping back plate 400. The second outer insert blade 910 is provided with a second movable groove. The second inner insert blade 920 has a second upper inclined portion. The second lower mold slider 720 has a second lower inclined portion 721. The second upper inclined portion is matched with the second lower inclined portion 721. One end of the second lower mold slider 720 is located in the second movable groove.

[0039] The ejection material assembly d00 includes an ejection material block d10 and an ejection material sheet d20 installed on the lower die cutting edge a00. The piercing punch c00 has a piercing material sheet C10. One end of the ejection material block d10 is placed on the first lower die slider 620, and one end of the ejection material block d10 is placed on the second lower die slider 720. The bottom end of the ejection material sheet d20 is in contact with the ejection material block d10, and the top end of the ejection material sheet d20 is located below the piercing material sheet c10.

[0040] The lower template 200 is provided with a first outer lower template groove 210, a first inner lower template groove 220, a second outer lower template groove 230, a second inner lower template groove 240, and a knife edge groove 250. The middle part of the first outer insert knife is located in the first outer lower template groove 210, the lower part of the first inner insert knife is located in the first inner lower template groove 220, the middle part of the second outer insert knife is located in the second outer lower template groove 230, the lower part of the second inner insert knife is located in the second inner lower template groove 240, and the lower mold blade a00 is located in the knife edge groove 250.

[0041] The stripping plate 300 is provided with a first external blade groove 310, a first internal blade groove 320, a second external blade groove 330, a second internal blade groove 340, and a stripping plate groove 350. The upper part of the first external blade 810 is located in the first external blade groove 310, the upper part of the first internal blade 820 is located in the first internal blade groove 320, the upper part of the second external blade 910 is located in the second external blade groove 330, the upper part of the second internal blade 920 is located in the second internal blade groove 340, and the stripping plate insert b00 is located in the stripping plate groove 350.

[0042] The splint 500 is provided with a splint groove 510, the back plate 400 is provided with a back plate groove 410, the plate removal insert b00 is provided with a punch groove b10 and an upper puncture groove b20 connected to the punch groove b10, the lower die blade a00 is provided with a lower ejector groove a10, the ejector piece d20 is located in the lower ejector groove a10, the puncture piece c10 is slidably installed in the upper puncture groove b20, the upper part of the puncture punch c00 is located in the splint groove 510, the middle part of the puncture punch c00 is located in the back plate groove 410, and the lower part of the puncture punch c00 is located in the punch groove b10, the upper puncture groove b20 and the puncture piece c10 are both multiple and one-to-one matched, and the lower ejector groove a10 and the ejector piece d20 are both multiple and one-to-one matched.

[0043] The working principle of the utility model is as follows: first, the material strip to be punctured is placed on the lower die blade a00. When the mold is closed, the first outer insert knife 810, the first inner insert knife 820, the second outer insert knife 910 and the second inner insert knife 920 are driven to move downward through the downward movement of the clamping plate 500, the back plate 400 and the stripping plate 300. When the first inner insert knife 820 and the second inner insert knife 920 move downward, they respectively drive the first lower die slider 620 and the second lower die slider 720 away, until one end of the first lower die slider 620 and one end of the second lower die slider 720 are respectively located in the first moving groove 811 and the second moving groove 911. At this time, the other end of the first lower die slider 620 and the other end of the second lower die slider 720 are both withdrawn from under the top material block d10, the top material block d10 moves downward, the top material sheet d20 moves downward, and the puncturing punch c00 also moves downward accordingly, thereby driving the puncturing sheet c10 to move downward, and the puncturing The broken sheet c10 moves downward and drives part of the material strip into the lower ejection groove a10, thereby completing the puncture of the material strip; when the mold is opened and the material is ejected, the first outer insert knife 810, the second outer insert knife 910, the first inner insert knife 820 and the second inner insert knife 920 are driven to move upward through the upward movement of the clamping plate 500, the back plate 400 and the stripping plate 300. When the first outer insert knife 810 and the second outer insert knife 910 move upward, they drive the first lower mold slider 620 and the second lower mold slider 720 to approach each other until one end of the first lower mold slider 620 and one end of the second lower mold slider 720 are both located below the ejection block d10, and the ejection block d10 is lifted, thereby driving the ejection sheet d20 to move upward, and the ejection sheet d20 can lift the material strip located in the lower ejection groove a10 to complete the ejection; compared with the spring ejection, the present application will not be weak, can always ensure the ejection force, and improve the service life of the mold.

[0044] The above implementation modes are merely descriptions of the preferred implementation modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary engineering and technical personnel in the field shall fall within the protection scope determined by the claims of the present invention.

Claims

1. A stripping structure for a stamping die, characterized in that: Included are: An upper mold mechanism, the upper mold mechanism comprising a clamping plate (500), a backing plate (400) mounted on the clamping plate (500), a stripping plate (300) mounted on the backing plate (400); a first inserting knife assembly (800) fixedly mounted on the stripping plate (300), a second inserting knife assembly (900), a stripping plate insert (b00), and a piercing punch (c00); A lower mold mechanism is located below the upper mold mechanism, and the lower mold mechanism includes a lower pad (100), a lower mold plate (200) installed on the lower pad (100), a first lower mold moving assembly (600) and a second lower mold moving assembly (700) installed on the lower pad (100); a lower mold blade (a00) installed on the lower mold plate, and a top material assembly (d00) installed in the lower mold blade (a00); one end of the bottom of the top material assembly (d00) is placed on the first lower mold moving assembly (600), and the other end of the bottom of the top material assembly (d00) is placed on the second lower mold moving assembly (700); the bottom of the first insert knife assembly (800) is abutted against the first lower mold moving assembly (600), and the bottom of the second insert knife assembly (900) is abutted against the second lower mold moving assembly (700).

2. A stripping structure for a stamping die according to claim 1, characterized in that: The lower pad (100) is provided with a pad groove (110), the first lower mold moving assembly (600) and the second lower mold moving assembly (700) are both located in the pad groove (110), one end of the first inserting knife assembly (800) and the second inserting knife assembly (900) are both located in the pad groove (110), and one end of the ejecting assembly (d00) is located in the pad groove (110).

3. A stripping structure for a stamping die according to claim 2, characterized in that: The first lower die moving assembly (600) comprises a first lower die seat (610) and a first lower die slide block (620) installed on the first lower die seat (610); the first lower die seat (610) and the first lower die slide block (620) are both located in the pad groove (110); the first lower die seat (610) is provided with a first stop block (611); the first stop block (611) is provided with a first slide groove (612); one end of the first lower die slide block (620) is slidably installed in the first slide groove (612); the first lower die slide block (620) abuts against the first insert knife assembly (800).

4. A stripping structure for a stamping die according to claim 3, characterized in that: The first insert blade assembly (800) comprises a first outer insert blade (810) and a first inner insert blade (820), the tops of the first outer insert blade (810) and the first inner insert blade (820) are fixedly mounted on the backing stripping plate (400), the first outer insert blade (810) is provided with a first movable groove, the first inner insert blade (820) has a first upper inclined portion, the first lower mold slider (620) has a first lower inclined portion (621), the first upper inclined portion is matched with the first lower inclined portion (621), and one end of the first lower mold slider (620) is located in the first movable groove.

5. A stripping structure for a stamping die according to claim 4, characterized in that: The second lower die moving assembly (700) comprises a second lower die seat (710) and a second lower die slide block (720) installed on the second lower die seat (710); the second lower die seat (710) and the second lower die slide block (720) are both located in the pad groove (110); the second lower die seat (710) is provided with a second stop block (711); the second stop block (711) is provided with a second slide groove (712); one end of the second lower die slide block (720) is slidably installed in the second slide groove (712); the second lower die slide block (720) abuts against the second insert knife assembly (900).

6. A stripping structure for a stamping die according to claim 5, characterized in that: The second insert blade assembly (900) comprises a second outer insert blade (910) and a second inner insert blade (920), the tops of the second outer insert blade (910) and the second inner insert blade (920) are fixedly mounted on the stripping plate (400), the second outer insert blade (910) is provided with a second movable groove, the second inner insert blade (920) has a second upper inclined portion, the second lower mold slider (720) has a second lower inclined portion (721), the second upper inclined portion is matched with the second lower inclined portion (721), and one end of the second lower mold slider (720) is located in the second movable groove.

7. A stripping structure for a stamping die according to claim 6, characterized in that: The ejection material assembly (d00) includes an ejection material block (d10) and an ejection material sheet (d20) installed on the lower mold blade (a00); the piercing punch (c00) has a piercing material sheet (c10); one end of the ejection material block (d10) is placed on the first lower mold slider (620); one end of the ejection material block (d10) is placed on the second lower mold slider (720); the bottom end of the ejection material sheet (d20) is in contact with the ejection material block (d10); and the top end of the ejection material sheet (d20) is located below the piercing material sheet (c10).

8. A stripping structure for a stamping die according to claim 7, characterized in that: The lower template (200) is provided with a first outer lower template groove (210), a first inner lower template groove (220), a second outer lower template groove (230), a second inner lower template groove (240), and a knife edge groove (250); the middle part of the first outer insert knife is located in the first outer lower template groove (210); the lower part of the first inner insert knife is located in the first inner lower template groove (220); the middle part of the second outer insert knife is located in the second outer lower template groove (230); the lower part of the second inner insert knife is located in the second inner lower template groove (240); and the lower template knife edge (a00) is located in the knife edge groove (250).

9. The stripping structure for a stamping die according to claim 7, characterized in that: The stripping plate (300) is provided with a first external blade slot (310), a first internal blade slot (320), a second external blade slot (330), a second internal blade slot (340), and a stripping plate slot (350); the upper portion of the first external blade (810) is located in the first external blade slot (310), the upper portion of the first internal blade (820) is located in the first internal blade slot (320), the upper portion of the second external blade (910) is located in the second external blade slot (330), the upper portion of the second internal blade (920) is located in the second internal blade slot (340), and the stripping plate insert (b00) is located in the stripping plate slot (350).

10. The stripping structure for a stamping die according to claim 7, characterized in that: The clamping plate (500) is provided with a clamping plate groove (510), the back plate (400) is provided with a back plate groove (410), the plate stripping insert (b00) is provided with a punch groove (b10), and an upper puncture groove (b20) connected to the punch groove (b10), the lower die blade (a00) is provided with a lower ejecting groove (a10), the ejecting piece (d20) is located in the lower ejecting groove (a10), and the puncture piece (c10) is slidably installed in the upper puncture groove (b20), the upper part of the piercing punch (c00) is located in the clamping plate groove (510), the middle part of the piercing punch (c00) is located in the back plate groove (410), and the lower part of the piercing punch (c00) is located in the punch groove (b10). The upper piercing groove (b20) and the piercing sheet (c10) are both multiple and matched one by one, and the lower top material groove (a10) and the top material sheet (d20) are both multiple and matched one by one.

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