CN211027760U

CN211027760U - Improved structure of inclined hole flanging

Info

Publication number: CN211027760U
Application number: CN201921808463.5U
Authority: CN
Inventors: 蒋人权
Original assignee: Keben Precision Mould Co ltd
Current assignee: Keben Precision Mould Co ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-07-17
Anticipated expiration: 2029-10-25

Abstract

The utility model relates to an improved slant hole flanging structure, which comprises an upper module and a lower module, wherein the upper module comprises an upper die base, an upper padding plate, an upper clamping plate, a stop plate and an upper stripper plate, and the lower module comprises a lower die plate, a lower padding plate and a lower die base; the upper base plate is provided with a top block, the stop plate is fixed with a punching needle guide insert, the punching needle guide insert is provided with a first through hole which is obliquely arranged and an annular spring groove, a hole flanging punching needle penetrates through the first through hole, and a reset spring is arranged in the spring groove; a lower die insert is arranged on the lower die plate, a second through hole coaxial with the first through hole is formed in the lower die insert, a cylindrical floating pin penetrates through the second through hole, a spring cavity communicated with the second through hole is formed in the lower die set, and a stripping spring with the upper end connected with the floating pin is arranged in the spring cavity; the utility model discloses the last work piece of hole flanging subassembly is few, the low price, and occupation space is also less simultaneously, therefore the mould not only low in production cost, and the volume is also less simultaneously.

Description

Improved structure of inclined hole flanging

Technical Field

The utility model relates to the technical field of mold, more specifically say, relate to a slant hole flanging improves structure.

Background

The existing oblique hole flanging die generally adopts an oblique wedge component or a sliding block component to carry out oblique hole flanging, but the die is high in production cost and large in size due to the fact that a plurality of workpieces are arranged on the oblique wedge component and the sliding block component, the price is high, and meanwhile, the occupied space is large.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, a slant hole flanging improves structure is provided.

The utility model provides a technical scheme that its technical problem adopted is:

constructing an improved inclined hole flanging structure, which comprises an upper module and a lower module; the upper die set comprises an upper die base, an upper backing plate, an upper clamping plate, a stop plate and an upper stripper plate which are sequentially arranged from top to bottom, and the lower die set comprises a lower die plate, a lower backing plate and a lower die base which are sequentially arranged from top to bottom; the upper base plate is provided with a top block with an inclined bottom surface, the stop plate is fixedly provided with a punching needle guide insert penetrating through the upper stripping plate, the punching needle guide insert is provided with a first through hole which is arranged in an inclined manner and has the same inclined direction as the bottom surface of the top block, and an annular spring groove surrounding the first through hole, a hole flanging punching needle with the upper end abutting against the bottom surface of the top block penetrates through the first through hole, and a reset spring with the upper end connected with the hole flanging punching needle is arranged in the spring groove; the lower die is characterized in that a lower die insert is arranged on the lower die plate, a second through hole coaxial with the first through hole is formed in the lower die insert, a cylindrical floating pin penetrates through the second through hole, a spring cavity communicated with the second through hole is formed in the lower die set, and a stripping spring with the upper end connected with the floating pin is arranged in the spring cavity.

Slant hole flanging improve the structure, wherein, be fixed with on the upper padding plate and pass the punch holder the backstop board with go up the guide pillar of stripper, be equipped with on the lower bolster with guide pillar complex leads just cover.

Slant hole flanging improve the structure, wherein, be fixed with on the upper die base and pass the upper padding plate with the equal height cover of punch holder, the backstop board with on take off the board coaxial be equipped with equal height cover assorted logical groove.

Slant hole flanging improve the structure, wherein, be equipped with first inclined plane on the bottom surface of towards needle guide mold insert, lower mould mold insert upper surface be equipped with the second inclined plane of first inclined plane cooperation centre gripping product, first through-hole with first inclined plane intercommunication, the second through-hole with second inclined plane intercommunication.

The beneficial effects of the utility model reside in that: when hole flanging is performed, a product is placed on the lower die insert, then the upper die set moves downwards, the upper stripper plate is matched with the lower die set to press the product, then the upper clamp plate and the stop plate are folded, so that the ejector block abuts against the punching needle and drives the punching needle to move downwards, a needle head on the punching needle performs hole flanging on the product, and when hole flanging is performed, the needle head on the punching needle abuts against and presses the floating pin downwards, so that the material pressing spring is contracted, and hole flanging is completed; the hole flanging component has few workpieces, low price and small occupied space, so that the die has low production cost and small volume.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the drawings:

fig. 1 is a schematic structural view of an improved slant hole flanging structure according to a preferred embodiment of the present invention;

fig. 2 is a partially enlarged schematic view of an improved slant hole flanging structure according to a preferred embodiment of the present invention;

fig. 3 is a schematic structural view of a punch pin guiding insert with an improved slant hole flanging structure according to a preferred embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, belong to the scope of protection of the present invention.

The utility model discloses a preferred embodiment's slant hole flanging improves the structure as shown in fig. 1, refer to fig. 2-3, including upper die set 1 and lower die set 2, upper die set 1 includes upper die base 11, upper padding plate 12, punch holder 13, backstop board 14 and upper stripper plate 15 that set gradually from top to bottom, lower die set 2 includes lower bolster 21, lower bolster 22 and lower die holder 23 that set gradually from top to bottom; the upper cushion plate 12 is provided with a top block 3 with an inclined bottom surface, the stop plate 14 is fixed with a punching needle guide insert 4 penetrating through the upper stripping plate 15, the punching needle guide insert 4 is provided with a first through hole 41 which is obliquely arranged and has the same oblique direction as the bottom surface of the top block 3, and an annular spring groove 42 surrounding the first through hole 41, a hole flanging punching needle 5 with the upper end abutting against the bottom surface of the top block 3 penetrates through the first through hole 41, and a return spring 51 with the upper end connected with the hole flanging punching needle 5 is arranged in the spring groove 42; a lower die insert 6 is arranged on the lower die plate 21, a second through hole 61 coaxial with the first through hole 41 is arranged on the lower die insert 6, a cylindrical floating pin 7 penetrates through the second through hole 61, a spring cavity 23 communicated with the second through hole 61 is arranged in the lower die set 2, and a stripping spring 71 with the upper end connected with the floating pin 7 is arranged in the spring cavity 23; when hole flanging is performed, a product is placed on the lower die insert, then the upper die set moves downwards, the upper stripper plate is matched with the lower die set to press the product, then the upper clamp plate and the stop plate are folded, so that the ejector block abuts against the punching needle and drives the punching needle to move downwards, a needle head on the punching needle performs hole flanging on the product, and when hole flanging is performed, the needle head on the punching needle abuts against and presses the floating pin downwards, so that the material pressing spring is contracted, and hole flanging is completed; the hole flanging component has few workpieces, low price and small occupied space, so that the die has low production cost and small volume.

As shown in fig. 1, a guide post 8 passing through an upper clamp plate 13, a stop plate 14 and an upper stripper plate 15 is fixed on the upper backing plate 12, and a guide sleeve 81 matched with the guide post 8 is arranged on the lower template 21; the guide post 8 and the guide sleeve 81 are matched to ensure that the upper die set moves with accurate positioning.

As shown in fig. 1, an equal-height sleeve 9 passing through an upper backing plate 12 and an upper clamping plate 13 is fixed on an upper die holder 11, and a through groove 16 matched with the equal-height sleeve 9 is coaxially arranged on a stop plate 14 and an upper stripper plate 15; the equal-height sleeves 9 are matched with the through grooves 16 to prevent the stripper plates and the stop plates from being pulled to be separated from the upper die set.

As shown in fig. 2-3, a first inclined surface 43 is provided on the bottom surface of the punch pin guide insert 4, a second inclined surface 62 cooperating with the first inclined surface 43 to clamp the product is provided on the upper surface of the lower mold insert 6, the first through hole 41 is communicated with the first inclined surface 43, and the second through hole 61 is communicated with the second inclined surface 62; the two inclined planes are matched with each other to clamp the product, so that the product can be punched by the punching needle.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

Claims

1. An improved structure of an inclined hole flanging comprises an upper module and a lower module; the die is characterized in that the upper die set comprises an upper die base, an upper backing plate, an upper clamping plate, a stop plate and an upper stripper plate which are sequentially arranged from top to bottom, and the lower die set comprises a lower die plate, a lower backing plate and a lower die base which are sequentially arranged from top to bottom; the upper base plate is provided with a top block with an inclined bottom surface, the stop plate is fixedly provided with a punching needle guide insert penetrating through the upper stripping plate, the punching needle guide insert is provided with a first through hole which is arranged in an inclined manner and has the same inclined direction as the bottom surface of the top block, and an annular spring groove surrounding the first through hole, a hole flanging punching needle with the upper end abutting against the bottom surface of the top block penetrates through the first through hole, and a reset spring with the upper end connected with the hole flanging punching needle is arranged in the spring groove; the lower die is characterized in that a lower die insert is arranged on the lower die plate, a second through hole coaxial with the first through hole is formed in the lower die insert, a cylindrical floating pin penetrates through the second through hole, a spring cavity communicated with the second through hole is formed in the lower die set, and a stripping spring with the upper end connected with the floating pin is arranged in the spring cavity.

2. The improved inclined hole flanging structure of claim 1, wherein a guide post passing through the upper clamping plate, the stop plate and the upper stripper plate is fixed on the upper padding plate, and a guide sleeve matched with the guide post is arranged on the lower template.

3. The improved structure of an inclined hole flanging of claim 1, wherein an equal-height sleeve penetrating through the upper base plate and the upper clamping plate is fixed on the upper die holder, and through grooves matched with the equal-height sleeve are coaxially arranged on the stop plate and the upper stripping plate.

4. The improved structure of claim 1, wherein a first inclined surface is provided on a bottom surface of the punch pin guiding insert, a second inclined surface for cooperating with the first inclined surface to clamp a product is provided on an upper surface of the lower mold insert, the first through hole is communicated with the first inclined surface, and the second through hole is communicated with the second inclined surface.