CN202377395U

CN202377395U - Bender die for bending Z-shaped workpieces

Info

Publication number: CN202377395U
Application number: CN2011205679400U
Authority: CN
Inventors: 刘孝俊; 邰建军
Original assignee: MAANSHAN GOLIN PRESS BRAKE TOOLING Co Ltd
Current assignee: MAANSHAN GOLIN PRESS BRAKE TOOLING Co Ltd
Priority date: 2011-12-30
Filing date: 2011-12-30
Publication date: 2012-08-15
Anticipated expiration: 2021-12-30

Abstract

The utility model discloses a bender die for bending Z-shaped workpieces, and belongs to the field of machinery equipment. The bender die comprises an upper die, a lower die, a middle die and a gasket, wherein a downward break angle and an upward break angle are arranged on the lower surface of the upper die; a downward break angle and an upward break angle matched with those of the upper die are arranged on the upper surface of the middle die; a right-angled step is arranged below one side of the middle die; the gasket is located at the position of the right-angled step; the middle die and the lower die are positioned through a square groove; a spring is arranged in the square groove; a concave groove is arranged in the lower die; and the lower half part of the middle die can be inserted in the concave groove. According to the bender die, one Z-shaped workpiece can be machined without the replacement of the die, and the distance between the middle layer and the upper surface layer of the machined Z-shaped workpiece can be adjusted; and the bender die is simple in structure, reasonable in design and easy to manufacture.

Description

A kind of bending machine die of bending Z type workpiece

Technical field

The utility model belongs to mould applications, more particularly, relates to a kind of bending machine die of bending Z type workpiece.

Background technology

People are various to the bender requirement of products now, the increase of demand, and under the situation that technology is constantly brought forth new ideas, the update of product is rapider, and rich choice of products is colorful.The development of bender not only develops towards high-end, H.D numerical control direction; Also developing to simple and easy, cheap numerical control bender; Thereby can satisfy demand at all levels, bender is accomplished bending work by means of various moulds, so to different Bending Mould demand also variation day by day.

At present, the product of hardware stamping bending machining is widely used, especially in electronic digital product scope or the machine components; A lot of product needed are processed into Z type workpiece, and as shown in Figure 1, bottom and workpiece intermediate layer are close to one under this Z type workpiece; And workpiece intermediate layer and workpiece upper epidermis keep certain distance, in the prior art processing this two pretty troublesome, generally be the Z type that is processed into bottom under the workpiece, workpiece intermediate layer and workpiece upper epidermis maintenance certain angle earlier; Use other mould or workman to be pressed in one by hand bottom under the workpiece and workpiece intermediate layer again, waste time and energy, and add the easy deformation in man-hour; Not attractive in appearance, influence product quality.

The Z-shaped corner fittings shaping dies of a kind of packing case is disclosed like Chinese patent numbers 200820150922.0; Open day: on 07 15th, 2009; Be processed into the Z type that bottom under the workpiece, workpiece intermediate layer and workpiece upper epidermis keep certain angle to workpiece exactly; This utility model discloses the Z-shaped corner fittings shaping dies of a kind of packing case; It is made up of upper die and lower die, is provided with in the bottom of patrix downwards and two knuckles that make progress, and is provided with downward and two knuckles that make progress that match with two knuckles of patrix on the top of counterdie.This utility model, is sent into cardboard between the upper die and lower die in the time of molding owing to the Z type that is designed to original grinding tool; Rely on the rotation of upper die and lower die; The downward knuckle in patrix bottom matches with the knuckle knuckle corresponding with counterdie top that makes progress, and directly can cardboard be pressed into the corner fittings of Z font, has avoided traditional molding to need the problem of multiple working procedure; Make molding convenient, improve molding efficient.This grinding tool is exactly only to be pressed into the Z type that bottom under the workpiece, workpiece intermediate layer and workpiece upper epidermis keep certain angle, can not satisfy the demand, and still will pass through reprocessing.

Summary of the invention

The problem that solves

Can not use a mold to process required workpiece to existing mold; Need multiple working procedure; The problem that wastes time and energy; The utility model provides a kind of need one mold just can process that bottom and workpiece intermediate layer are close to one under the workpiece, and workpiece intermediate layer and workpiece upper epidermis keep the bending machine die of the Z type workpiece of certain distance.

Technical scheme

A kind of bending machine die of bending Z type workpiece comprises mold, bed die, also comprises middle mould, pad; The lower surface of described mold is provided with downwards and two knuckles that make progress, and the upper surface of described middle mould is provided with two downward and knuckles that make progress that match with mold, and a side-lower of middle mould has a right angle step; Pad is positioned at the right angle step place; Mould and bed die are through the square groove location in described, and square groove is arranged in the mould bottom, and spring is arranged in the square groove; Described counterdie has a groove, and the latter half of middle mould can be inserted in the groove.

Spring in the described square groove has 2-40.

Described pad is removable, and the distance of the upper surface in thickness and the Z type workpiece intermediate layer of required processing and the lower surface of workpiece upper epidermis is corresponding, is connected with middle mould through alignment pin.

Beneficial effect

Than prior art, the beneficial effect of the utility model is:

(1) the utility model does not need mold exchange more just can accomplish the processing of a Z type workpiece;

(2) the utility model can be regulated the Z type workpiece intermediate layer of processing and the distance of workpiece upper epidermis;

(3) the utility model is simple in structure, and is reasonable in design, is easy to make.

Description of drawings

Fig. 1 is the processed workpiece sketch map;

Fig. 2 is the structural representation of the utility model;

Fig. 3 is the first step processing sketch map of the embodiment of the utility model;

Fig. 4 is second step processing sketch map of the embodiment of the utility model.

Among the figure: 1. mold; 2. middle mould; 21. right angle step; 3. bed die; 31. bed die upper surface; 32. groove; 4. spring; 5. pad; 6. workpiece; 61. workpiece upper epidermis; 62 workpiece intermediate layers; 63. bottom under the workpiece.

The specific embodiment

As shown in Figure 2, a kind of bending machine die of bending Z type workpiece comprises mold 1, bed die 3; Mould 2, pad 5 in also comprising, the lower surface of mold 1 are provided with downwards and two knuckles that make progress, and the upper surface of middle mould 2 is provided with two downward and knuckles that make progress that match with mold 1; One side-lower of middle mould 2 has a right angle step 21; Pad 5 is positioned at right angle step 21 places, and pad 5 is removable, and the distance of the upper surface in thickness and the Z type workpiece intermediate layer 62 of required processing and the lower surface of workpiece upper epidermis 61 equates; Pad 5 is connected with middle mould 2 through alignment pin; Middle mould 2 is located through square groove with bed die 3, and spring 4 is arranged in the square groove, and described bed die 3 has a groove 32; In the latter half of mould 2 can insert in the groove 32, the degree of depth of the groove 32 of bed die 3 is greater than the lower surface of middle mould 2 distance to the horizontal plane of right angle step 21.

Embodiment 1

As shown in Figure 2, a kind of bending machine die of bending Z type workpiece comprises mold 1, bed die 3; Mould 2, pad 5 in also comprising, the lower surface of mold 1 are provided with downwards and two knuckles that make progress, and the upper surface of middle mould 2 is provided with two downward and knuckles that make progress that match with mold 1; One side-lower of middle mould 2 has a right angle step 21; Pad 5 is positioned at 21 places, right angle step place, and pad 5 is removable, and the distance of the upper surface in thickness and the Z type workpiece intermediate layer 62 of required processing and the lower surface of workpiece upper epidermis 61 equates; Be connected with middle mould 2 through alignment pin; Middle mould 2 is located through square groove with bed die 3, and spring 4 is arranged in the square groove, and described bed die 3 has a groove 32; The latter half of middle mould 2 can be inserted in the groove 32, and the degree of depth of the groove 32 of bed die 3 is greater than the distance of middle mould 2 lower surfaces to right angle step 21 horizontal planes.Spring 4 has 2.Require to make lower surface that the thickness of pad 5 equals workpiece upper epidermis 61 to the distance between the upper surface in workpiece intermediate layer 62 according to workpiece.

When needs are processed workpiece as shown in Figure 1, at first flat board is put between mold 1 and the mould 2, depress mold 1; Be processed into the Z type that bottom 63 under the workpiece, workpiece intermediate layer 62 and workpiece upper epidermis 61 keep certain angles; Shown in the state of Fig. 3, then workpiece 6 is put between the horizontal plane and bed die upper surface 31 of right angle step 21 of mould 2, during the workpiece upper epidermis 61 of workpiece 6 is placed between the horizontal plane and pad 5 of the right angle step 21 of mould 2; Bottom 63 and workpiece intermediate layer 62 are placed between pad 5 and the bed die upper surface 31 under the workpiece of workpiece 6; Depress mold 1, mould 2 also moves downward in the drive, reaches state as shown in Figure 4; Promptly accomplish workpiece 6 bendings, obtain workpiece as shown in Figure 16.

Embodiment 2

Identical with embodiment 1, different is that spring 4 has 40.

Embodiment 2

Identical with embodiment 1, different is that spring 4 has 20.

Claims

1. the bending machine die of a bending Z type workpiece; Comprise mold (1), bed die (3), it is characterized in that also comprising middle mould (2), pad (5), the lower surface of described mold (1) is provided with downwards and two knuckles that make progress; The upper surface of mould (2) is provided with two downward and knuckles that make progress that match with mold (1) in described; One side-lower of middle mould (2) has a right angle step (21), and described pad (5) is positioned at right angle step (21) to be located, and described middle mould (2) is located through square groove with bed die (3); Square groove is arranged in mould (2) bottom; Spring (4) is arranged in the square groove, and described bed die (3) has a groove (32), and the latter half of middle mould (2) can be inserted in the groove (32).

2. the bending machine die of a kind of bending Z type workpiece according to claim 1 is characterized in that the spring (4) in the described square groove has 2-40.

3. the bending machine die of a kind of bending Z type workpiece according to claim 1; It is characterized in that described pad (5) is removable; The distance of the upper surface in thickness and the Z type workpiece intermediate layer (62) of required processing and the lower surface of workpiece upper epidermis (61) is corresponding, is connected with middle mould (2) through alignment pin.