CN210098724U

CN210098724U - Structure optimized for waste discharge

Info

Publication number: CN210098724U
Application number: CN201920849854.5U
Authority: CN
Inventors: 叶万红
Original assignee: Sheng An Plastic & Hardware (shanghai) Co Ltd
Current assignee: Sheng An Plastic & Hardware (shanghai) Co Ltd
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-02-21
Anticipated expiration: 2029-06-06

Abstract

The utility model relates to a punching device technical field just discloses a structure for waste discharge optimizes, including last mould subassembly and lower mould subassembly, the top fixed mounting of lower mould subassembly has half the drift of pulling out, the top fixed mounting of lower mould subassembly has the turn-ups drift, the fixed surface cover of turn-ups drift is equipped with the backup pad, the another side of backup pad and the fixed surface suit of half the drift of pulling out, the inside fixed mounting of going up mould subassembly has a rectangle spring, the bottom fixed mounting of a rectangle spring has the stripping ejector pin. This structure for waste discharge is optimized, through becoming the positive punching press mode of original earlier through first rectangle spring and take off material ejector pin and half-drawn pipe mouth income and the cooperation between position sleeve and the half-drawn drift at first carry out half-drawing, then the effect of rethread turn-ups drift and turn-ups income and turn-ups take off material ejector pin and waste material drift carries out the hole flanging and dashes the waste material, can reduce the stability of ensureing production under the condition of the cost of production.

Description

Structure optimized for waste discharge

Technical Field

The utility model relates to a punching device technical field specifically is a structure for waste discharge optimizes.

Background

In the structural design of waste discharge before stretching and straightening, a structure of positive punching is generally adopted for a punching structure, the processing of a knife edge part is difficult, the maintenance cost is high, the production is not facilitated, excessive waste of resources is caused, the manufacturing cost is relatively increased, the cost of an enterprise is reduced, the profit of the enterprise is further reduced, the rapid development of the enterprise is not facilitated, the production cost is increased, and the social resources are not saved.

SUMMERY OF THE UTILITY MODEL

To prior art not enough, the utility model provides a structure for waste discharge optimization possesses under the prerequisite of great modification mould just the mode optimization of dashing for first half pull out then the hole flanging dashes the waste material, has ensured the advantage of the stability of production under the condition that reduces the cost of preparation, has solved the problem mentioned in the above background art.

The utility model provides a following technical scheme: a structure optimized for waste discharge comprises an upper die component and a lower die component, wherein a half-pulling punch is fixedly mounted at the top of the lower die component, a flanging punch is fixedly mounted at the top of the lower die component, a supporting plate is fixedly sleeved on the outer surface of the flanging punch, the other side surface of the supporting plate is fixedly sleeved with the outer surface of the half-pulling punch, a first rectangular spring is fixedly mounted inside the upper die component, a stripping ejector rod is fixedly mounted at the bottom of the first rectangular spring, a half-pulling hole insert is movably sleeved on the outer surface of the stripping ejector rod, a positioning sleeve is fixedly mounted at the bottom of the half-pulling hole insert, a half-pulling forming workpiece is movably sleeved on the top of the half-pulling punch, the inner part of the positioning sleeve is sleeved on the outer surface of the half-pulling forming workpiece, a second rectangular spring is fixedly mounted inside the upper die component, and a flanging stripping ejector rod is fixedly mounted at the bottom, the waste material punching head is fixedly mounted at the top of the upper die assembly, the bottom of the waste material punching head sequentially penetrates through the second rectangular spring and the flanging stripping ejector rod and extends to the lower portion of the flanging stripping ejector rod, a forming workpiece is placed on the outer surface of the top of the flanging punching head, and the upper die assembly is fixedly mounted at the outer side of the flanging stripping ejector rod and is provided with a flanging insert.

Preferably, the flanging punch is a hollow punch with a protrusion at the top.

Preferably, the distance value between the inner side face of the flanging insert and the outer surface of the flanging punch is slightly larger than the thickness value of the formed workpiece.

Preferably, the distance value between the inner side wall of the positioning sleeve and the outer surface of the half-drawing punch is slightly larger than the thickness value of the half-drawing formed workpiece.

Preferably, the volume value of the second rectangular spring is larger than that of the first rectangular spring.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this structure for waste discharge is optimized, through becoming the positive punching press mode of original earlier through first rectangle spring and take off material ejector pin and half-drawn pipe mouth income and the cooperation between position sleeve and the half-drawn drift at first carry out half-drawing, then the effect of rethread turn-ups drift and turn-ups income and turn-ups take off material ejector pin and waste material drift carries out the hole flanging and dashes the waste material, can reduce the stability of ensureing production under the condition of the cost of production.

2. This structure for the exhaust of waste material is optimized, this simple structure can effectually reduce energy consumption, lets the product more tend to stably, convenient production, and the maintenance in later stage is more convenient, can the effectual intensity of guaranteeing this structure, through twice shaping effectually prevent that malleation one shot forming from leading to the edge of a knife part to damage easily, edge of a knife part maintenance cost is higher moreover.

Drawings

FIG. 1 is a sectional view of the present invention;

fig. 2 is an enlarged view of the structure a of the present invention.

In the figure: 1. a first rectangular spring; 2. stripping the material ejector rod; 3. a half-pull entrance; 4. a positioning sleeve; 5. semi-drawing the punch; 6. a scrap punch; 7. a second rectangular spring; 8. a flanging stripping ejector rod; 9. flanging the insert; 10. forming a workpiece; 11. a flanging punch; 12. a lower die assembly; 13. an upper die assembly; 14. a support plate; 15. and (5) semi-drawing the formed workpiece.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a structure optimized for waste discharge comprises an upper die assembly 13 and a lower die assembly 12, wherein a half-drawing punch 5 is fixedly installed on the top of the lower die assembly 12, a flanging punch 11 is fixedly installed on the top of the lower die assembly 12, the flanging punch 11 is a hollow punch with a convex top, which is hollow and can collect the ejected waste for later cleaning, a supporting plate 14 is fixedly sleeved on the outer surface of the flanging punch 11, the other side surface of the supporting plate 14 is fixedly sleeved with the outer surface of the half-drawing punch 5, a first rectangular spring 1 is fixedly installed inside the upper die assembly 13, a stripping ejector rod 2 is fixedly installed at the bottom of the first rectangular spring 1, a half-drawing inlet 3 is movably sleeved on the outer surface of the stripping ejector rod 2, a positioning sleeve 4 is fixedly installed at the bottom of the half-drawing inlet 3, and a half-drawing forming workpiece 15 is movably sleeved on the top of the half-drawing punch 5, the distance value between the inner side wall of the positioning sleeve 4 and the outer surface of the half-drawing punch 5 is slightly larger than the thickness value of the half-drawing formed workpiece 15, the inner part of the positioning sleeve 4 is sleeved on the outer surface of the half-drawing formed workpiece 15, the inner part of the upper die assembly 13 is fixedly provided with a second rectangular spring 7, the volume value of the second rectangular spring 7 is larger than the volume value of the first rectangular spring 1, the bottom of the second rectangular spring 7 is fixedly provided with a flanging stripping ejector rod 8, the top of the upper die assembly 13 is fixedly provided with a waste punch 6, the bottom of the waste punch 6 sequentially penetrates through the second rectangular spring 7 and the flanging stripping ejector rod 8 and extends to the lower part of the flanging stripping ejector rod 8, the outer surface of the top of the flanging punch 11 is provided with a formed workpiece 10, the upper die assembly 13 is fixedly provided with a flanging insert 9 positioned on the outer side of the flanging stripping ejector rod 8, and the distance value between the inner side, through becoming the original positive stamping mode and going through first rectangular spring 1 and taking off material ejector pin 2 and half-draw-in mouth insert 3 and position sleeve 4 and half-draw-in the cooperation between the drift 5 at first half-draw, then the effect of rethread turn-ups drift 11 and turn-ups insert 9 and turn-ups take off material ejector pin 8 and waste material drift 6 carries out the hole flanging and dashes the waste material, can reduce the stability of ensureing production under the condition of the cost of production, this simple structure can effectually reduce energy consumption, let the product more tend to stablely, convenient production, the maintenance in later stage is more convenient, can effectually guarantee the intensity of this structure, it leads to the easy damage of edge of a knife part to effectually prevent through two shaping malleation one shot forming, and edge of a knife part maintenance cost is higher.

The working principle is that a part is placed on a half-drawing punch 5, at the moment, a power assembly drives a half-drawing punch insert 3 to drive a positioning sleeve 4 to perform half-forming processing on a workpiece to enable the workpiece to be in the shape of a half-drawing formed workpiece 15, a first rectangular spring 1 drives a stripping ejector rod 2 to push the half-drawing formed workpiece 15 out of the positioning sleeve 4, then the half-drawing formed workpiece 15 is placed on a flanging punch 11, at the moment, a flanging punch insert 9 acts on the half-drawing formed workpiece 15 to perform flanging operation, so that a flanging stripping ejector rod 8 also acts on the half-drawing formed workpiece 15, and then a waste punch 6 acts on flanging waste to enable the waste to be separated from a formed workpiece 10.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A structure optimized for scrap discharge comprising an upper die assembly (13) and a lower die assembly (12), characterized in that: the semi-drawing punch is characterized in that a semi-drawing punch (5) is fixedly mounted at the top of a lower die component (12), a flanging punch (11) is fixedly mounted at the top of the lower die component (12), a supporting plate (14) is fixedly sleeved on the outer surface of the flanging punch (11), the other side surface of the supporting plate (14) is fixedly sleeved with the outer surface of the semi-drawing punch (5), a first rectangular spring (1) is fixedly mounted inside an upper die component (13), a stripping ejector rod (2) is fixedly mounted at the bottom of the first rectangular spring (1), a semi-drawing inlet (3) is movably sleeved on the outer surface of the stripping ejector rod (2), a positioning sleeve (4) is fixedly mounted at the bottom of the semi-drawing inlet (3), a semi-drawing workpiece (15) is movably sleeved at the top of the semi-drawing punch (5), and the positioning sleeve (4) is sleeved on the outer surface of the semi-drawing workpiece (15), the inside fixed mounting who goes up mould subassembly (13) has second rectangle spring (7), the bottom fixed mounting of second rectangle spring (7) has turn-ups to take off material ejector pin (8), the top fixed mounting who goes up mould subassembly (13) has waste material drift (6), the bottom of waste material drift (6) runs through second rectangle spring (7) and turn-ups in proper order and takes off material ejector pin (8) and extend to the turn-ups and take off the below of material ejector pin (8), shaped workpiece (10) have been placed to the surface at the top of turn-ups drift (11), it has turn-ups income sub (9) to go up the outside fixed mounting that mould subassembly (13) are located turn-ups and take off material ejector pin (8).

2. A structure optimized for waste evacuation, according to claim 1, characterized in that: the flanging punch (11) is a hollow punch with a bulge at the top.

3. A structure optimized for waste evacuation, according to claim 1, characterized in that: the distance value between the inner side surface of the flanging insert (9) and the outer surface of the flanging punch (11) is slightly larger than the thickness value of the forming workpiece (10).

4. A structure optimized for waste evacuation, according to claim 1, characterized in that: the distance value between the inner side wall of the positioning sleeve (4) and the outer surface of the half-drawing punch (5) is slightly larger than the thickness value of the half-drawing formed workpiece (15).

5. A structure optimized for waste evacuation, according to claim 1, characterized in that: the volume value of the second rectangular spring (7) is larger than that of the first rectangular spring (1).