Composite die stripping structure with narrow knife edge

Abstract

The utility model belongs to the technical field of hardware dies, and particularly relates to a composite die stripping structure with a narrow knife edge, which comprises a lower die holder and an upper die holder, a lower pad foot is arranged at the bottom of the lower die holder, and a lower pad plate, a lower die plate and a lower stripping plate are sequentially fixed on the lower pad foot to form a lower stripping system; an upper padding plate, an upper clamping plate and an upper die plate are sequentially fixed to the bottom of the upper die base, and an upper stripping plate is detachably fixed in the upper die base to form an upper stripping system. The device is characterized in that a second spring and an ejector rod are mounted in a lower foot pad, and a stripping floating block and a waste leakage hole are arranged at the top of a lower stripping plate; a protection groove is formed in the lower portion of the upper die plate to protect the seventh bolt. According to the structure, through cooperation of the spring and the ejector rod, the efficient and stable stripping action is achieved, the stripping requirement of a narrow-knife-edge stamping part is met, the production efficiency is improved, the service life of the die is prolonged, and meanwhile the maintenance process is simplified.

Description

TECHNICAL FIELD

[0001] The utility model relates to hardware mould technical field especially relates to a narrow composite die stripping structure of knife edge. BACKGROUND

[0002] In the metal stamping industry, the composite die stripping structure is an important part of the mould design, which directly affects the production efficiency, product quality and mould life. The traditional composite die stripping structure often has some deficiencies, such as low stripping efficiency, easy wear of the mould, complex maintenance and poor adaptability. The existence of these problems limits the improvement of production efficiency, increases the production cost, and affects the quality of the final product.

[0003] The traditional stripping structure usually adopts simple mechanical clamping or single spring ejection to discharge waste, which often has poor effect when dealing with narrow knife edges or complex-shaped products. The poor discharge of waste will cause the accumulation of waste in the mould, which not only affects the smooth progress of continuous production, but also damages the mould. In addition, the traditional structure is also relatively cumbersome during the maintenance and replacement of the mould, which needs a long time to stop, affecting the continuity of production. SUMMARY

[0004] Based on the existing hardware mould technical problems, the utility model provides a narrow composite die stripping structure of knife edge.

[0005] The utility model discloses a narrow composite die stripping structure of knife edge, including lower die seat and upper die seat, the lower die seat bottom is fixed with four lower pad foot, the lower die seat top is detachably fixed with lower pad, the lower pad top is detachably fixed with lower die plate, the lower die plate inner top is detachably fixed with lower stripping plate, the upper die seat bottom is detachably fixed with upper pad, the upper pad bottom is detachably fixed with upper clamping plate, the upper clamping plate bottom is detachably fixed with upper die plate, and the upper die plate inner bottom is detachably fixed with upper stripping plate.

[0006] Preferably, a third installation groove is formed in the second lower pad foot on the right side of the lower die seat bottom, a plurality of second springs are fixed in the third installation groove, a second elastic plate is fixed to the top of the second spring in the third installation groove, a top rod is fixed to the top of the second elastic plate, and the top rod extends through the lower pad top, a stripping float is arranged on the top of the lower stripping plate and extends through the lower stripping plate to the bottom of the lower die plate, and the stripping float is located above the top rod, a waste leakage hole is formed in the left side of the stripping float on the top of the lower stripping plate, and the waste leakage hole extends through the lower stripping plate, the lower die plate, the lower pad, the lower die seat and the upper part of the lower pad foot from left to right.

[0007] By the above technical scheme, the second spring and the second elastic plate are installed inside the lower base, and the top rod is fixed on the top thereof, so that upward elastic force is provided for the material removal floating block. The elastic force helps to push the composite die out of the mold, thereby improving the material removal efficiency. The waste material leakage hole allows the waste material to be directly discharged outside the mold through a series of plate blocks, thereby avoiding the accumulation of waste material in the mold, reducing the cleaning time, and improving the production efficiency.

[0008] Preferably, two seventh bolts are fixed on the right side of the top of the lower stripper plate, and the fourth bolt is fixed on the left side of the lower base plate.

[0009] By the above technical scheme, the fourth bolt and the seventh bolt are arranged to form a position for placing the composite die, so that the composite die is fixed conveniently, thereby facilitating the operation of the composite die.

[0010] Preferably, the third bolt is fixed on the left end of the lower base plate, the fifth bolt is fixed on the right side of the fourth bolt on the left side of the lower base plate, the sixth bolt is fixed on the right side of the lower die seat and the lower base plate and the lower stripper plate, and the third bolt, the fourth bolt and the sixth bolt are each provided as two.

[0011] By the above technical scheme, the use of multiple bolts at multiple positions for fixation can greatly enhance the overall stability of the mold structure and reduce the displacement or loosening that may occur during operation. The fixation of multiple bolts helps to uniformly distribute the pressure generated during the material removal process to various parts of the mold, thereby reducing the risk of local stress concentration and mold damage.

[0012] Preferably, the four corners of the upper die seat are fixed with the upper base plate, the upper clamping plate and the upper die plate by the first bolt, two nuts are fixed on the left side of the inside of the upper die plate, the two nuts are located directly above the two fourth bolts, the nuts are matched with the fourth bolts, a first installation slot is formed in the middle of the bottom of the upper die plate, an upper stripper plate is movably fixed in the first installation slot, the middle of the upper die seat is fixed with the upper base plate, the upper clamping plate, the upper die plate and the upper stripper plate by the second bolt, and the second bolt is provided as two.

[0013] By the above technical scheme, the use of bolts at the four corners and the middle of the upper die seat can ensure the stability of the entire upper die part, reduce vibration and displacement during stamping, and the threaded fixation makes the assembly and disassembly of the mold more convenient, facilitating maintenance and replacement of worn parts.

[0014] Preferably, a first spring is fixed on the left side of the second bolt inside the upper base plate, and the first spring penetrates into the upper clamping plate, and a first elastic plate is fixed at the bottom of the first spring, and the first elastic plate penetrates into the first mounting groove.

[0015] Through the above technical scheme, the setting of the first spring provides additional elastic force, helps to realize the demolding action in the stamping process, and makes the demolding more smooth.

[0016] Preferably, a second mounting groove is formed above the waste leakage hole at the bottom of the upper stripper plate, and the second mounting groove penetrates into the upper clamping plate, and a punch needle is movably mounted in the second mounting groove.

[0017] Through the above technical scheme, the setting of the punch needle can directly act on the waste material, helping to push the waste material out of the waste leakage hole, thereby improving the discharge efficiency of the waste material and avoiding the influence of waste material accumulation on production; through the periodic impact of the punch needle, it can ensure that the waste leakage hole remains unobstructed, preventing production interruption caused by waste blockage; since the punch needle can effectively discharge the waste material, the downtime caused by waste cleaning is reduced, and the continuous operation capacity of the production line is improved.

[0018] Preferably, a protection groove is formed above the two seventh bolts at the lower part of the upper die plate, and the protection groove is matched with the seventh bolt.

[0019] Through the above technical scheme, the protection groove can cover the seventh bolt, preventing accidental damage to the bolt during operation, such as collision or tool misoperation, and also allowing the upper die plate and the lower die plate to fit better without gaps blocked by the seventh bolt.

[0020] The beneficial effects in the utility model are:

[0021] 1. Through the design of the multi-layer detachable fixed template and the base plate, the precise adjustment and quick replacement of the mold are realized, greatly improving the production efficiency and the adaptability of the mold. The multi-layer structure between the lower die seat and the upper die seat ensures the stability and precision of the mold during the stamping process, reduces the defective rate caused by mold vibration or misplacement, and thus improves the overall quality of the product.

[0022] 2. The third mounting groove and the second spring are arranged in the lower base inside the right lower base, and the material removal float block and the waste leakage hole are arranged at the top of the lower stripper plate, which effectively improves the discharge efficiency of the waste material. This design allows the waste material to be smoothly discharged from the mold, avoiding the influence of waste material accumulation on production, while also reducing the downtime caused by waste cleaning, further improving production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1The utility model provides a kind of overall appearance schematic diagram of the composite die stripping structure of narrow knife edge of the utility model.

[0024] Figure 2 The utility model provides a kind of cross-sectional view schematic diagram of the composite die stripping structure of narrow knife edge of the utility model.

[0025] Figure 3 For Figure 2 Enlarged view at A.

[0026] Figure 4 For Figure 2 Enlarged view at B.

[0027] Figure 5 For Figure 2 Enlarged view at C.

[0028] Figure 6 For Figure 2 Enlarged view at D.

[0029] In the drawing: 1, lower die seat; 2, lower backing plate; 3, lower die plate; 4, lower stripping plate; 5, lower pad foot; 6, upper die plate; 7, upper clamping plate; 8, upper backing plate; 9, upper die seat; 10, upper stripping plate; 11, first spring; 12, first elastic plate; 13, first mounting groove; 14, first bolt; 15, nut; 16, second bolt; 17, second mounting groove; 18, punch pin; 19, third bolt; 20, fourth bolt; 21, fifth bolt; 22, third mounting groove; 23, second spring; 24, second elastic plate; 25, ejector rod; 26, stripping float; 27, waste leakage hole; 28, sixth bolt; 29, seventh bolt; 30, protection groove. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be apparently and completely described in conjunction with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0031] Referring to Figures 1-6 , a kind of composite die stripping structure of narrow knife edge, including lower die seat 1 and upper die seat 9, the lower die seat 1 bottom is fixed with four lower pad foot 5, the lower die seat 1 top is detachably fixed with lower backing plate 2, the lower backing plate 2 top is detachably fixed with lower die plate 3, the lower die plate 3 inner top is detachably fixed with lower stripping plate 4;The upper die seat 9 bottom is detachably fixed with upper backing plate 8, the upper backing plate 8 bottom is detachably fixed with upper clamping plate 7, the upper clamping plate 7 bottom is detachably fixed with upper die plate 6, and the upper die plate 6 inner bottom is detachably fixed with upper stripping plate 10.

[0032] Further, referring to Figure 1 , Figure 6, the third installation groove 22 is internally fixed with a plurality of second springs 23, the top of the second spring 23 is internally fixed with a second elastic plate 24 in the third installation groove 22, the top of the second elastic plate 24 is fixed with a top rod 25, and the top rod 25 is movably penetrated to the top of the bottom plate 2, the top of the bottom plate 4 is provided with a material removal floating block 26 penetrating the bottom plate 4, and the material removal floating block 26 penetrates the bottom plate 3 to the bottom of the bottom plate 3, and the material removal floating block 26 is located directly above the top rod 25; a waste leakage hole 27 is formed in the left side of the material removal floating block 26 on the top of the bottom plate 4, and the waste leakage hole 27 penetrates the bottom plate 4, the bottom plate 3, the bottom plate 2, the bottom seat 1 and the upper left side of the bottom foot 5 in turn.

[0033] By installing the second spring and the second elastic plate in the bottom foot and fixing the top rod on the top thereof, an upward elastic force can be provided for the material removal floating block. Such elastic force helps to push the composite mold out of the mold, thereby improving the efficiency of material removal; and the design of the waste leakage hole allows the waste to be directly discharged to the outside of the mold through a series of plate blocks, avoiding the accumulation of waste in the mold, thereby reducing the cleaning time and improving the production efficiency.

[0034] Further, referring to Figure 1 , Figure 5 and Figure 6 , two seventh bolts 29 are threadedly fixed on the right side of the material removal floating block 26 on the top of the bottom plate 4, and the fourth bolt 20 is threadedly fixed with the bottom plate 2 on the left side of the bottom plate 4.

[0035] The fourth bolt 20 and the seventh bolt 29 are arranged to form a position for placing the composite mold, so that the composite mold is fixed conveniently, thereby facilitating the operation of the composite mold.

[0036] Further, referring to Figure 1 , Figure 5 and Figure 6 , the third bolt 19 is threadedly fixed with the bottom seat 1 on the left end of the bottom plate 2, and the fifth bolt 21 is threadedly fixed with the bottom seat 1 on the right side of the fourth bolt 20 on the left side of the bottom plate 2; the sixth bolt 28 is threadedly fixed with the bottom plate 2 and the bottom plate 4 on the right side of the bottom seat 1, and the third bolt 19, the fourth bolt 20 and the sixth bolt 28 are each provided with two.

[0037] By using a plurality of bolts at multiple positions for fixation, the overall stability of the mold structure can be greatly enhanced, and displacement or loosening that may occur during operation can be reduced; and the fixation of the plurality of bolts helps to uniformly disperse the pressure generated during material removal to various parts of the mold, thereby reducing the risk of local stress concentration and mold damage.

[0038] Further, referring to Figure 3 , Figure 4 The four corners of the upper die seat 9 are fixed with the upper backing plate 8, the upper clamping plate 7 and the upper die plate 6 through the first bolts 14, two nuts 15 are fixed in the left side of the inside of the upper die plate 6, and the two nuts 15 are located directly above the two fourth bolts 20, and the nuts 15 are matched with the fourth bolts 20, a first mounting groove 13 is formed in the middle of the bottom of the upper die plate 6, and the upper stripper plate 10 is movably fixed in the first mounting groove 13, and the middle of the upper die seat 9 is fixed with the upper backing plate 8, the upper clamping plate 7, the upper die plate 6 and the upper stripper plate 10 through the second bolts 16, and the second bolts 16 are provided in two.

[0039] By using bolts to fix the four corners and the middle of the upper die seat 9, the stability of the entire upper die part can be ensured, the vibration and displacement during stamping can be reduced, and the assembly and disassembly of the die are more convenient through the threaded fixing mode, so that the maintenance and replacement of worn parts are facilitated.

[0040] Further, referring to Figure 3 A first spring 11 is fixed on the left side of the inside of the upper backing plate 8, and the first spring 11 penetrates into the inside of the upper clamping plate 7, and a first elastic plate 12 is fixed at the bottom of the first spring 11, and the first elastic plate 12 penetrates into the inside of the first mounting groove 13.

[0041] The setting of the first spring 11 provides additional elastic force, which helps to achieve the demolding action during stamping, so that the demolding is more smooth.

[0042] Further, referring to Figure 3 and Figure 4 A second mounting groove 17 is formed in the bottom of the upper stripper plate 10 directly above the waste leakage hole 27, and the second mounting groove 17 penetrates into the inside of the upper clamping plate 7, and a punch pin 18 is movably installed in the second mounting groove 17.

[0043] The setting of the punch pin 18 can directly act on the waste to help push the waste out of the waste leakage hole 27, thereby improving the discharge efficiency of the waste and avoiding the influence of waste accumulation on production; through the regular impact of the punch pin 18, it can ensure that the waste leakage hole 27 remains unobstructed, preventing production interruption caused by waste blockage; since the punch pin 18 can effectively discharge the waste, the downtime caused by waste cleaning is reduced, and the continuous operation capacity of the production line is improved.

[0044] Further, referring to Figure 4 and Figure 6 A protection groove 30 is formed in the lower part of the upper die plate 6 directly above the two seventh bolts 29, and the protection groove 30 is matched with the seventh bolts 29.

[0045] The protection groove 30 can cover the seventh bolt 29, prevent the bolt from being damaged accidentally, such as collision or tool misoperation during operation, and also can make the upper die plate 6 and the lower die plate 3 more close, and no gap is caused by the seventh bolt 29.

[0046] Working principle: the narrow knife edge composite die stripping structure first drives the stripping float block 26 at the top of the lower stripping plate 4 through the second spring 23 and the ejector rod 25 on the lower die seat 1, and the upper stripping plate 10 is assisted by the punch pin 18 to discharge the waste through the waste leakage hole 27 under the action of the first spring 11, so that the efficient and stable stripping process is realized, and the production efficiency and quality of the narrow knife edge stamping part are ensured.

[0047] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A composite die stripper structure with narrow knife edge comprising a lower die shoe (1) and an upper die shoe (9) characterised in that: The bottom of the lower die seat (1) is fixedly provided with four lower pads (5), the top of the lower die seat (1) is detachably fixedly provided with a lower cushion plate (2), the top of the lower cushion plate (2) is detachably fixedly provided with a lower die plate (3), and the inner top of the lower die plate (3) is detachably fixedly provided with a lower stripping plate (4); the bottom of the upper die seat (9) is detachably fixedly provided with an upper cushion plate (8), the bottom of the upper cushion plate (8) is detachably fixedly provided with an upper clamping plate (7), the bottom of the upper clamping plate (7) is detachably fixedly provided with an upper die plate (6), and the inner bottom of the upper die plate (6) is detachably fixedly provided with an upper stripping plate (10).

2. The split-die stripper structure of claim 1, wherein: A third installation groove (22) is formed in the interior of the second lower pad (5) on the right side of the bottom of the lower die seat (1), a plurality of second springs (23) are fixedly arranged in the third installation groove (22), a second elastic plate (24) is fixedly arranged on the top of the second spring (23) in the third installation groove (22), a top rod (25) is fixedly arranged on the top of the second elastic plate (24), the top rod (25) is movably arranged to penetrate the top of the lower cushion plate (2) to the outside, a stripping floating block (26) is arranged on the top of the lower stripping plate (4) and penetrates the lower stripping plate (4), the stripping floating block (26) penetrates the lower die plate (3) to the bottom of the lower die plate (3), and the stripping floating block (26) is located directly above the top rod (25); a waste leakage hole (27) is formed in the left side of the stripping floating block (26) on the top of the lower stripping plate (4), and the waste leakage hole (27) penetrates the lower stripping plate (4), the lower die plate (3), the lower cushion plate (2), the lower die seat (1) and the upper part of the lower pad (5) on the left side in sequence.

3. The split-die stripper structure of claim 2, wherein: Two seventh bolts (29) are threadedly fixed on the right side of the stripping floating block (26) on the top of the lower stripping plate (4), and the fourth bolt (20) is threadedly fixed with the lower cushion plate (2) on the left side of the lower stripping plate (4).

4. The split-die stripper structure of claim 3, wherein: The third bolt (19) is threadedly fixed with the lower die seat (1) on the left end of the lower cushion plate (2), the fifth bolt (21) is threadedly fixed with the lower die seat (1) on the right side of the fourth bolt (20) on the left side of the lower cushion plate (2), the sixth bolt (28) is threadedly fixed with the lower cushion plate (2) and the lower stripping plate (4) on the right side of the lower die seat (1), and the third bolt (19), the fourth bolt (20) and the sixth bolt (28) are all provided as two.

5. The split-die stripper structure of claim 4, wherein: The four corners of the upper die seat (9) are threadedly fixed with the upper cushion plate (8), the upper clamping plate (7) and the upper die plate (6) through the first bolt (14), two nuts (15) are threadedly fixed on the left side in the inner part of the upper die plate (6), the two nuts (15) are located directly above the two fourth bolts (20), the nuts (15) are matched with the fourth bolts (20), a first installation groove (13) is formed in the middle of the bottom of the upper die plate (6), the upper stripping plate (10) is movably fixed in the first installation groove (13), the second bolt (16) is threadedly fixed with the upper cushion plate (8), the upper clamping plate (7), the upper die plate (6) and the upper stripping plate (10) in the middle of the upper die seat (9), and the second bolt (16) is provided as two.

6. The split-die stripper structure of claim 5, wherein: The first spring (11) is fixed on the left side of the second bolt (16) inside the upper base plate (8), and penetrates into the upper clamping plate (7), and the first elastic plate (12) is fixed at the bottom of the first spring (11) and penetrates into the first mounting groove (13).

7. The split-die stripper structure of claim 6, wherein: The second mounting groove (17) is arranged above the waste leakage hole (27) at the bottom of the upper stripping plate (10), and penetrates into the upper clamping plate (7), and the punch needle (18) is movably arranged in the second mounting groove (17).

8. The split-die stripper structure of claim 7, wherein: The protection groove (30) is arranged above the two seventh bolts (29) at the lower part of the upper mold plate (6), and the protection groove (30) is matched with the seventh bolt (29).

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