CN201264057Y

CN201264057Y - Bent mold structure

Info

Publication number: CN201264057Y
Application number: CNU2008201470837U
Authority: CN
Inventors: 胡魁伯; 王军
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2008-08-28
Filing date: 2008-08-28
Publication date: 2009-07-01
Anticipated expiration: 2018-08-28

Abstract

The utility model relates to a bending die which belongs to a metallic punching die. The bending die comprises an upper die plate and a lower die plate, wherein a punching head is arranged on the upper die plate, and a lower die insert, a movable insert and a dead slot are arranged on the lower die plate; the movable insert and the dead slot are respectively in contact with the lower die insert and are positioned on two adjacent sides of the lower die insert. A die core sheet positioned over the lower die insert is fixedly arranged on the movable insert and can move up and down relative to the lower die insert; and a slide block which can move relative to the lower die insert is arranged in the dead slot. The bending die can be used as the bending structure of a grade die or can be singly used for bending products of high precision when the bending process can not be finished by the grade die, the product which is bent into 90 DEG can be bent into 180 DEG to be leveled, closed and molded once in a station, the cost is reduced, and the processing efficiency is improved. The product processed by the bending die has no impressions, die marks and deformation and can be stably molded.

Description

A kind of Bending Mould structure

Technical field

The utility model relates to a kind of Bending Mould structure, processes especially for hardware stamping mould bending product.

Background technology

Five metals thin material Bending Processing product is at electronics, the appliance field of IT communication electronics, appliance field and auto manufacturing, as being widely used in the products such as the metal structure of mobile phone metal shell, SIM cover, Shielding, Over_molding and inner structure metalwork.

Metallic elastic rebound characteristic according to five metals thin material product, Bending Processing in the present progressive die must be divided into two worker stations and finish: the products that will be converted into 90 degree earlier are bent into 135 degree, and then further folding is put down into 180 degree, uses the rebound of control metallic spring.The cascade mould Bending Processing efficient of this structure is low, and required Bending Mould constructed value costliness.

In addition, inside has that the angle structure of five metals electronic apparatus bending product processing of the glued membrane that insulate is special, precision is high, appearance is strict, and the quality of its Bending Processing mould structure directly influences quality and the structure that the bending product is processed.The progressive continuous mould of this series products can't be finished, and the double-slider " U " that adopts usually folding bending structure institute product processed surface weighs wounded, press back, can't reach the required quality quality of product.

The utility model content

It is low that the technical problems to be solved in the utility model has provided a kind of cost, and the machining accuracy height adopts the empty Bending Mould structure of rolling over the bending structure of slide block tilting plate type.

For solving the problems of the technologies described above, the technical solution of the utility model is:

A kind of Bending Mould structure comprises cope match-plate pattern and lower bolster; Be equipped with drift on the cope match-plate pattern, be equiped with on the lower bolster counterdie mold insert and respectively with contacted movable insert of counterdie mold insert and dead slot, described movable insert and dead slot are positioned at the adjacent both sides of counterdie mold insert.

The location is equipped with the core rod sheet on the described movable insert, described core rod sheet be positioned at the counterdie mold insert directly over, the counterdie mold insert moves up and down relatively; Be equiped with a slide block that can move relative to the counterdie mold insert in the described dead slot.

The beneficial effects of the utility model are: can be used as the bending structure of progressive die, the closed moulding of clapping is spent in the product disposable empty bending 180 in a worker station that is converted into 90 degree, reduce cost, improve working (machining) efficiency; Also can be applied to separately in the high accuracy product bending that progressive die can't finish, bending 90 is spent, one outer surface is a secondary face quality, and the inner face assigned address sticks product empty bending 180 of disposable 90 degree in same worker station of insulation glued membrane and spends the closed moulding of clapping.Institute's converted products do not have weigh wounded, press back, (locating hole) distortion and be shaped stablely, the secondary face meets five metals and detects quality standard.

Description of drawings

Fig. 1 is the Bending Mould structural representation of the utility model one embodiment;

Fig. 2 is the lower bolster structural representation of the utility model one embodiment;

Fig. 3 is the counterdie mold insert structural representation of the utility model one embodiment;

Fig. 4 is the core rod chip architecture schematic diagram of the utility model one embodiment;

Fig. 5 is the mould pressing and bending work schematic diagram of the utility model one embodiment;

Fig. 6 is the product bending process schematic diagram among the utility model one embodiment;

The specific embodiment

In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.

As Fig. 1 and shown in Figure 2, the Bending Mould structure of the utility model one embodiment comprises cope match-plate pattern 100 and lower bolster 200; Be equipped with a short drift 101 and a long drift 102 on the cope match-plate pattern 100.

Be equiped with on the lower bolster 200 counterdie mold insert 210 (as shown in Figure 3) and respectively with counterdie mold insert 210 contacted movable insert 220 and dead slots 250, described movable insert 220 and dead slot 250 are positioned at the adjacent both sides of counterdie mold insert 210.

On the movable insert 220 the core rod sheet 240 (as shown in Figure 4) of location assembling be positioned at counterdie mold insert 210 directly over, counterdie mold insert 210 moves up and down relatively, counterdie mold insert 210 be provided with five with core rod sheet 240 on the core rod sheet alignment pin 211 that is complementary of shrinkage pool 241, and one contact with core rod sheet 240, is positioned at the core rod sheet spacer pin 242 on movable insert 220 opposites; Core rod

sheet alignment pin

211 and 240 actings in conjunction of core rod sheet can accurately be located product, and core rod sheet spacer pin 242 can limit the displacement of core rod sheet 240 and product 1 in the mould punching course, make product not yielding.

Be equiped with a slide block 230 that can move relative to counterdie mold insert 210 in the described dead slot 250, slide block 230 bottoms become a step dead slot 251, the recessed empty avoiding in top of described slide block 230 tops and product 1 contact-making surface near the recessed empty avoiding of a side of counterdie mold insert 210.Can reduce the contact area of slide block 230 and product 1 like this, in the mould punching course, make product be difficult for producing impression.

The contact-making surface on drift 102 lower ends and slide block 230 tops is the inclined-plane 260 of certain angle, can be in the mould punching course, promoting slide block 230 moves along dead slot 250, drift 101 lower ends away from the angled inclined-plane of a side empty avoiding of product 1 contact-making surface, prevent the punching press elastic resilience of metal product, and reduce the contact area of drift 101 and product 1, make product 1 be difficult for producing impression.

Lower bolster 200 1 sides are equiped with the movable push bar 221 with movable insert 220 mechanical connections, and movable insert 220 can be moved up and down with respect to counterdie mold insert 210.

Its workflow is as follows:

Product is installed:

Promote movable push bar 221, movable insert 220 and the core rod sheet 240 that assembling and positioning is good are upwards lifted, treat bending product 1 whole secondary face standard down with what post the insulation glued membrane, be adjacent to the upper surface of counterdie mold insert 210 according to core rod sheet alignment pin 211, thereby keep product 1 smooth.

The location:

Promote movable push bar 221, movable insert 12 dip mold chips 240 compress the product 1 that is assemblied on the counterdie mold insert 210 to the bottom of alignment pin 211, and product 1 is accurately located under the effect of five alignment pins 211 and core rod sheet 240.

Punching press:

As shown in Figure 5 and Figure 6, start the punching machine presses close die, drift 101 presses down, and cooperates promotion slide block 230 to move along dead slot 250 with slide block 230 angles, product 1 is applied a bending thrust, and core rod sheet spacer pin 242 prevents that core rod sheet 240 is subjected to displacement in punching course.Drift 102 presses down simultaneously, and punching press also limits the bending elastic resilience of metal product 1, to reach predetermined bending angle, makes product size qualified.Pressure and bending thrust are being treated on the bending product 1, in a stroke closed shaping of clapping are spent in product 1 disposable bending 90.

Finish:

Open mould, promote movable push bar 221, movable insert 220 and core rod sheet 240 are upwards lifted, take out the product 1 of bending and forming.

The utility model can be used as the bending structure of progressive die, and the closed moulding of clapping is spent in the product disposable empty bending 180 in a worker station that is converted into 90 degree, reduces cost, and improves working (machining) efficiency; Also can be applied to separately in the high accuracy product bending that progressive die can't finish, bending 90 is spent, one outer surface is a secondary face quality, and the inner face assigned address sticks product empty bending 180 of disposable 90 degree in same worker station of insulation glued membrane and spends the closed moulding of clapping.Institute's converted products do not have weigh wounded, press back, distortion and be shaped stablely, the secondary face detects and meets five metals and detect quality standard, can be mass-produced.

The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.

Claims

1. a Bending Mould structure comprises cope match-plate pattern and lower bolster; Be equipped with drift on the cope match-plate pattern,

It is characterized in that:

Be equiped with on the lower bolster counterdie mold insert and respectively with contacted movable insert of counterdie mold insert and dead slot, described movable insert and dead slot are positioned at the adjacent both sides of counterdie mold insert;

Assembling one core rod sheet in location on the described movable insert, described core rod sheet is positioned at directly over the counterdie mold insert, and the counterdie mold insert moves up and down relatively; Be equiped with a slide block that can move relative to the counterdie mold insert in the described dead slot.

2. a kind of Bending Mould structure as claimed in claim 1 is characterized in that, described slide block below becomes a step dead slot near the recessed empty avoiding of a side of counterdie mold insert.

3. a kind of Bending Mould structure as claimed in claim 1 is characterized in that, the recessed empty avoiding in top of described slide block and product contact-making surface.

4. a kind of Bending Mould structure as claimed in claim 1 is characterized in that described drift is two, is uneven in length, and the distance between two drifts is described slide block length.

5. a kind of Bending Mould structure as claimed in claim 4 is characterized in that the contact-making surface on described long drift lower end and slide block top is the inclined-plane of certain angle.

6. a kind of Bending Mould structure as claimed in claim 4 is characterized in that, described short drift lower end away from the angled inclined-plane of a side empty avoiding of product contact-making surface.

7. a kind of Bending Mould structure as claimed in claim 1 is characterized in that described core rod sheet is provided with a plurality of shrinkage pools, described counterdie mold insert be provided with described core rod sheet on the core rod sheet alignment pin of shrinkage pool coupling.

8. a kind of Bending Mould structure as claimed in claim 1 is characterized in that it is spacing that described counterdie mold insert is provided with the core rod sheet, and described core rod sheet is spacing to be contacted with the core rod sheet, is positioned at the opposite of described movable insert.

9. a kind of Bending Mould structure as claimed in claim 1 is characterized in that, described lower bolster one side is equiped with the movable push bar with the movable insert mechanical connection.