CN203610584U

CN203610584U - T-iron forging and pressing mould

Info

Publication number: CN203610584U
Application number: CN201320722973.7U
Authority: CN
Inventors: 冯宏志
Original assignee: Wuzhou Hengsheng Electronic Technology Co Ltd
Current assignee: Wuzhou Hengsheng Electronic Technology Co Ltd
Priority date: 2013-11-15
Filing date: 2013-11-15
Publication date: 2014-05-28
Anticipated expiration: 2023-11-15

Abstract

The utility model relates to the technical field of moulds and discloses a T-iron forging and pressing mould. The T-iron forging and pressing mould comprises an upper mould and a lower mould, wherein the upper mould and the lower mould mutually correspond, the mould is used for forging and pressing a blank which is installed between the upper mould and the lower mould, the lower mould is provided with a T-shaped mould cavity, the T-shaped mould cavity comprises a mould-cavity end part and a mould-cavity neck part, the lower surface of the mould-cavity end part is a conical surface, and both lateral surfaces of the mould-cavity end part are arranged to be concave circular-arc surfaces. According to the T-iron forging and pressing mould, the lower lateral surface at the end part of the T-shaped mould cavity of the lower mould is arranged to be the conical surface, and both lateral surfaces of the end part are arranged to be the concave circular-arc surfaces; thus, in the heading process of the blank, a T-shaped blank which is consistent to the blank in shape can be formed, which is favorable to subsequent molding; moreover, in the edge-cutting process after molding, fewer materials can be cut, so that the utilization ratio of the materials is increased, and the cost of the materials is lowered.

Description

A kind of T iron forge die

Technical field

The utility model relates to technical field, more particularly, and particularly a kind of T iron forge die.

Background technology

Television set speaker multipass oblong-shaped, its plate rail, washer, magnet, also journey rectangle, or approximate track type of magnetic core (being T iron).As shown in Figure 1, processing method of the prior art be take the lead (Fig. 1 a, Fig. 1 b), flatten that (Fig. 1 c, Fig. 1 are d), (Fig. 1 e, Fig. 1 are f) and circular trimming (A place employing circular trimming) in Fig. 1 f in moulding, therefore, concerning the design of forge die, structure generally comprises upper die and lower die, in counterdie, be provided with the die of T shape, and the top of T shape die is circular.And for runway T iron in prior art, especially length-width ratio is greater than the track type T iron product of 2:1, adopt the technique of circular trimming, the shortcoming of its existence is: material cost is higher, stock utilization is low, has affected the effect of forging and stamping.Therefore the T iron forge die that, need to seek new structure solves above-mentioned technical problem.

Utility model content

The purpose of this utility model is to provide a kind of T iron forge die that improves stock utilization, reduces material cost.

In order to achieve the above object, the technical solution adopted in the utility model is as follows:

A kind of T iron forge die, comprise the upper die and lower die of mutual correspondence, this mould is for forging and pressing the blank being installed between upper die and lower die, described counterdie is provided with a T shape die cavity, this T shape die cavity comprises die cavity end and die cavity neck, and the lower surface of described die cavity end is taper surface, the two sides of described die cavity end are the arc surface of indent.

Preferably, also comprise upper padding plate, upper lock plate and upper solid plate, described patrix is fixedly installed in the lower end of upper lock plate, described upper lock plate is embedded in solid plate, the upper surface of described solid plate with the upper surface of upper solid plate in same plane, and the upper surface of described upper lock plate and the upper lower surface of consolidating plate and be all fixedly installed in upper padding plate.

Preferably, also comprise lower die-sleeve, counterdie Pre-stress cover, lower bolster and counterdie material returned thimble, described counterdie is installed in lower die-sleeve, described lower die-sleeve is located on lower bolster, and described lower die-sleeve and lower bolster are all located in counterdie Pre-stress cover, described counterdie material returned thimble runs through described lower bolster and counterdie successively.

Preferably, described in, be located at and on the blank between upper die and lower die, be also provided with tap hole identical or contrary with the flow direction of material in forging and stamping process.

Compared with prior art, the utility model has the advantage of: the end downside of the T shape die cavity of counterdie is made as taper surface by the utility model, and the two sides of end are made as to the arc surface of indent, taking the lead in process at blank like this, can form and there is the T shape blank consistent with its shape, be conducive to follow-up moulding, and in trimming process after moulding, can make the material that cuts less, improved material utilization rate, reduced the cost of material.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the utility model is described in further detail.

In Fig. 1, Fig. 1 a, Fig. 1 b, Fig. 1 c, Fig. 1 d, Fig. 1 e, Fig. 1 f are the artworks to the forging and stamping of T iron in prior art.

Fig. 2 is the cross section view of T iron forge die described in the utility model.

Fig. 3 is the top view of counterdie in T iron forge die described in the utility model.

In Fig. 4, Fig. 4 a, Fig. 4 b, Fig. 4 c, Fig. 4 d, Fig. 4 e, Fig. 4 f are the artwork of T iron forge die described in the utility model to the forging and stamping of T iron.

Fig. 5 is the structure chart of blank used in T iron forge die described in the utility model.

Description of reference numerals: 1, upper padding plate, 2, upper lock plate, 3, upper solid plate, 4, patrix, 5, lower die-sleeve, 6, counterdie Pre-stress cover, 7, counterdie, 8, lower bolster, 9, counterdie material returned thimble, 10, T shape blank, 11, taper surface, 12, arc surface, 13, die cavity end, 14, die cavity neck, 15, blank, 16, tap hole.

The specific embodiment

Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.

Consult shown in Fig. 2, Fig. 3, a kind of T iron forge die that the utility model provides, comprise patrix 4 and the counterdie 7 of mutual correspondence, this mould is for forging and pressing the blank 15 being installed between patrix 4 and counterdie 7, described counterdie 7 is provided with a T shape die cavity, this T shape die cavity comprises die cavity end 13 and die cavity neck 14, and the lower surface of described die cavity end 13 is taper surface 12, and the two sides of described die cavity end 13 are the arc surface 12 of indent.

Concrete, the utility model also comprises upper padding plate 1, upper lock plate 2 and upper solid plate 3, described patrix 4 is fixedly installed in the lower end of upper lock plate 2, described upper lock plate 2 is embedded in solid plate 3, the upper surface of described upper solid plate 3 with the upper upper surface of consolidating plate 3 in same plane, the upper surface of described upper lock plate 2 and upper solid plate 3 are all fixedly installed in the lower surface of upper padding plate 1, adopt split type insert structure by patrix 4, can greatly reduce the maintenance cost of mould and be convenient to change consumable accessory.

Concrete, the utility model also comprises lower die-sleeve 5, counterdie Pre-stress cover 6, lower bolster 8 and counterdie material returned thimble 9, described counterdie 7 is installed in lower die-sleeve 5, described lower die-sleeve 5 is located on lower bolster 8, described lower die-sleeve 5 and lower bolster 8 are all located in counterdie Pre-stress cover 6, and described counterdie material returned thimble 9 runs through described lower bolster 8 and counterdie 7 successively.Counterdie material returned thimble 9 is for after forging forming ejecting product counterdie 7.Counterdie 7 adopts Pre-stress cover separate sealed structure, adopts two-layer Pre-stress cover (lower die-sleeve 5 and counterdie Pre-stress cover 6) to be conducive to strengthen the structural strength of mould; And Split type die mode, has facilitated the maintenance of counterdie and has been convenient to change consumable accessory, has better process industrial art performance with respect to monolithic mold.

Consult described in Fig. 5, concrete, described being located at is also provided with tap hole 16 identical or contrary with the flow direction of material in forging and stamping process on the blank 15 between patrix 4 and counterdie 7; The design of tap hole 16 can make material unnecessary in cold forging process realize shunting, guarantee on the one hand the pressure stability in shape chamber in cold forging, further improved product dimensional accuracy with the service life that has extended mould, reduce on the other hand the consume of material, also omit the magnetic core and the plate face that after cold closed-die forging, need blank simultaneously and carried out mach operation, greatly improve production efficiency, there is very high economic benefit.And, select the shape of tap hole 16 can elect circle or other shapes as.

Lower mask body introduction adopts Deform3D software simulation the utility model mould to be applied in the embodiment in the forging and stamping of T iron.

The T iron product of required processing be shaped as rectangle.Length-width ratio 2.5:1,30 grams of net weight.If by old technology (take the lead, flattening, moulding, circular trimming), expendable weight is 53 grams.Stock utilization only 56.6%, spillage of material is serious, and ratio of height to diameter is larger.And adopt conventional T iron forging process mode to be difficult to realize.

And adopt forge die of the present utility model, and first painted blank and the mould entity of 3D from POR/E, be saved in TSL form.Then, import Deform3D software, the grid that application system generates automatically, then geometrical model and primary condition are set, blank is made as 10# boiling steel, and mould is made as rigid body, and coefficient of friction is 0.13, patrix translational speed is 220MM/S, adopts cold forging mode to forge, and does not consider thermal coupling in process.Whole simulation process is: the blank of taking the lead, flattening (can be several times, carry out as 3 times), form T shape blank 10, according to the 4a in Fig. 4, Fig. 4 b, Fig. 4 c, Fig. 4 d, Fig. 4 e, Fig. 4 f process is processed, making the inner portion face of the T shape blank 10 after flattening is a taper surface, and the head two sides arc surface that is indent, wherein the cone angle of taper surface and the radius of arc surface can be selected according to actual product, selected standard is deflection and the mobility that guarantees to guarantee on the one hand material, to prevent from forming to walk to expect dead band, avoid on the other hand the destruction of the mould causing because pressure is excessive.Finally, the actual forging and stamping forging and stamping that completed T iron product consistent with the assurance of simulating in Deform3D software.Fig. 4 c and Fig. 4 d from Fig. 4 can find out, adopt mould of the present utility model to save a large amount of materials than old technology, and reduce the waste material amount of trimming.

Although described by reference to the accompanying drawings embodiment of the present utility model; but the patent owner can make various distortion or modification within the scope of the appended claims; as long as be no more than the described protection domain of claim of the present utility model, all should be within protection domain of the present utility model.

Claims

1. a T iron forge die, comprise patrix (4) and the counterdie (7) of mutual correspondence, this mould is for forging and pressing the blank (15) being installed between patrix (4) and counterdie (7), it is characterized in that: described counterdie (7) is provided with a T shape die cavity, this T shape die cavity comprises die cavity end (13) and die cavity neck (14), and the lower surface of described die cavity end (13) is taper surface (12), the two sides of described die cavity end (13) are the arc surface (12) of indent.

2. T iron forge die according to claim 1, it is characterized in that: also comprise upper padding plate (1), upper lock plate (2) and upper solid plate (3), described patrix (4) is fixedly installed in the lower end of upper lock plate (2), described upper lock plate (2) is embedded in solid plate (3), the upper surface of described solid plate (3) with the upper surface of upper solid plate (3) in same plane, and the upper surface of described upper lock plate (2) and the upper lower surface of consolidating plate (3) and be all fixedly installed in upper padding plate (1).

3. T iron forge die according to claim 1, it is characterized in that: also comprise lower die-sleeve (5), counterdie Pre-stress cover (6), lower bolster (8) and counterdie material returned thimble (9), described counterdie (7) is installed in lower die-sleeve (5), described lower die-sleeve (5) is located on lower bolster (8), and described lower die-sleeve (5) and lower bolster (8) are all located in counterdie Pre-stress cover (6), described counterdie material returned thimble (9) runs through described lower bolster (8) and counterdie (7) successively.

4. according to the T iron forge die described in claim 2 or 3, it is characterized in that: described in be located at and on the blank (15) between patrix (4) and counterdie (7), be also provided with tap hole (16) identical or contrary with the flow direction of material in forging and stamping process.