CN205056735U

CN205056735U - Aluminum alloy quarter bend mould of bending

Info

Publication number: CN205056735U
Application number: CN201520714627.3U
Authority: CN
Inventors: 曾林
Original assignee: Chengdu Jiahe Decoration Engineering Co Ltd
Current assignee: Chengdu Jiahe Decoration Engineering Co Ltd
Priority date: 2015-09-15
Filing date: 2015-09-15
Publication date: 2016-03-02
Anticipated expiration: 2025-09-15

Abstract

The utility model relates to an aluminum alloy quarter bend mould of bending. This mould includes return bend mold, plug head, plug, pressure guide block and presss from both sides tight piece, the first end of plug cooperatees with plug one end, piece one end cooperatees pressure guide block one end with pressing from both sides tightly, a side of pressure guide block and the tight piece of clamp is with the plug head and the circumference outside of plug centre gripping at the return bend mold. This product is fit for that the aluminum alloy quarter bend is bent and the outward appearance of the visual face of material is smooth -going smooth, splits, has guaranteed the normal operating of product quality and production.

Description

Aluminium alloy quarter bend Bending Mould

Technical field

The utility model relates to a kind of aluminium alloy quarter bend Bending Mould.

Background technology

On market, existing clod wash aluminium alloy quarter bend is generally and steel quarter bend one set of die, and this mould can only bend the aluminium alloy pipe that relative bending radius R/D and relative wall thickness S/D is less and bent angle alpha is larger.

Finer and close metal tube (as steel pipe) in minor radius bending time, inner arc position material is squeezed contraction, and material stacking amount is large.Because the accumulation inner circle wall thickness of material increases or overflow to both sides in Forging Process, cause bending position fold or the fracture of external arc position, even burn failure.

For solving the problem, finer and close metal tube (as steel pipe) in minor radius bending time to add 2 ~ 5mm at bend pipe mould inner wall increasing protruding, 2 ~ 5mm depression is increased inside core head, allow the material piled up toward inner recess, thus the outward appearance reaching material visible surface is smooth-going smooth, does not rupture.Next groove can be stayed like this on arranged at inner side of pipe fitting wall, be referred to as " lose heart groove ".

Because steel density is comparatively large, internal structure is fine and close, and the mould of cold-pressing quality steel quarter bend is generally with disappointing groove, and inner circle has depression.

The aluminium alloy pipe that relative bending radius R/D and relative wall thickness S/D is comparatively large and bent angle alpha is less is bending the situations such as easy generation surface in process subsides, fracture.Had a strong impact on normal production, and product quality can not get ensureing.

Therefore, existing quarter bend Bending Mould needs to improve, and is badly in need of providing the bending of a kind of applicable aluminium alloy quarter bend and smooth-going smooth, the aluminium alloy quarter bend Bending Mould that do not rupture of the outward appearance of material visible surface.

Utility model content

The purpose of this utility model improves in the structure of existing quarter bend Bending Mould, provides the bending of a kind of applicable aluminium alloy quarter bend and smooth-going smooth, the aluminium alloy quarter bend Bending Mould that do not rupture of the outward appearance of material visible surface.

Basic conception of the present utility model is: because aluminium alloy quality is loosened, the inside surface roughness of pressure guide pad, core head and bend pipe mould arc position crosses conference makes frictional force between section bar and mould become large, to such an extent as to the material that Forging Process China and foreign countries arc position Tensile is taken away can not get supplement and occur surface fracture.Therefore mould is by reducing the surface roughness (Ra=0.8) of pressure guide pad, core head and bend pipe mould arc position, and when bending, mandrel surface smears rapeseed oil to reduce frictional resistance, prevents in Forging Process because quarter bend fractures by frictional resistance; Because aluminium alloy quality is loose, can not overflow time by compression, therefore not arrange disappointing groove in mould, in Forging Process, Inner arc position is smooth without depression.

Specifically, aluminium alloy quarter bend Bending Mould of the present utility model, comprise bend pipe mould, core head, plug, pressure guide pad and clamp, match with plug one end in described core head one end, match with clamp one end in described pressure guide pad one end, core head and plug are clamped in the periphery of bend pipe mould by a side of described pressure guide pad and clamp.Its course of work is: pressure guide pad, clamp and bend pipe mould convenient separation pipe insert, and then reset clamping; Core head is sent in pipe by plug, arrives the seam crossing 12.5 ~ 25mm position apart from pressure guide pad and clamp; Bending die disc spins, bending followed by pipe.

Compared with the aforementioned existing similar products, aluminium alloy quarter bend Bending Mould of the present utility model be applicable to the bending of aluminium alloy quarter bend and the outward appearance of material visible surface smooth-going smooth, do not rupture, ensure that the normal operation of product quality and production.

Content of the present utility model is further described with the following Examples, but content of the present utility model is not limited only to content involved in embodiment.

Accompanying drawing explanation

Fig. 1 is the structural representation of aluminium alloy quarter bend Bending Mould in embodiment.

Fig. 2 is the front view of aluminium alloy quarter bend Bending Mould in embodiment.

Fig. 3 is the right view of Fig. 2.

Fig. 4 is the top view of Fig. 2.

Fig. 5 is the enlarged front view of bend pipe mould in embodiment.

Fig. 6 is the right view of Fig. 5.

Fig. 7 is the top view of Fig. 5.

Fig. 8 is the enlarged front view of pressure guide pad in embodiment.

Fig. 9 is the right view of Fig. 8.

Figure 10 is the top view of Fig. 8.

Figure 11 is the enlarged front view of clamp in embodiment.

Figure 12 is the right view of Figure 11.

Figure 13 is the top view of Figure 11.

Detailed description of the invention

As shown in figs. 1-13, aluminium alloy quarter bend Bending Mould described in the present embodiment, it is characterized in that comprising bend pipe mould 1, core head 2, plug 3, pressure guide pad 4 and clamp 5, match with plug 3 one end in described core head 2 one end, match with clamp 5 one end in described pressure guide pad 4 one end, core head 2 and plug 3 are clamped in the periphery of bend pipe mould 1 by a side of described pressure guide pad 4 and clamp 5.The present embodiment comprises external aluminium alloy quarter bend 6.

Claims

1. an aluminium alloy quarter bend Bending Mould, it is characterized in that comprising bend pipe mould (1), core head (2), plug (3), pressure guide pad (4) and clamp (5), match with plug (3) one end in described core head (2) one end, match with clamp (5) one end in described pressure guide pad (4) one end, core head (2) and plug (3) are clamped in the periphery of bend pipe mould (1) by a side of described pressure guide pad (4) and clamp (5).