CN206589258U - A kind of large complicated carved moulding injection mold - Google Patents

Abstract

The utility model discloses a kind of large complicated carved moulding injection mold, including empiecement, pull bar, spring, block, cushion block, push pedal guide pillar, rivet, taper pin, wedge block, sizing cage plate, sizing seat board, spreader, sprue bush, insert, pull bar, guide pin bushing, guide pillar, nut, supporting plate, ejector pin retaining plate, push rod, sliding block, push pedal, release link；Injection mold constitutes mold cavity by multi-disc empiecement, and integral by rivet interlacement, air discharge duct is provided between multi-disc empiecement, to ensure aeration good in die cavity；During injection mold liftout, push pedal is oriented to by push pedal guide pillar, and the upper extreme position of the nut limitation push pedal by push pedal guide pillar end.The large complicated carved moulding injection mold of the utility model constitutes mold cavity using multi-disc empiecement, and integral by rivet interlacement.Air discharge duct is provided between empiecement, to ensure aeration good in die cavity.Using sizing seat board end face A and sizing cage plate end face two die joints of B, it is to avoid defective work piece during open form.

Description

A kind of large complicated carved moulding injection mold

Technical field

The utility model is related to technology of die manufacturing field, and in particular to a kind of large complicated carved moulding injection mould Tool.

Background technology

Complex-curved moulding is complex-shaped, belongs to irregular moulding.Fin section die cavity is limited by moulding shape Spacing is small between system, each fin cavity, and depth is deep, makes mold cavity manufacture difficult, and fin thickness is 1.5mm~2.0mm, Easily it is deformed during core pulling, influences workpiece quality.Meanwhile, during mould filling, fin type of the liquid sizing material in small volume Mobility is bad in chamber, and the gas in die cavity has little time whole discharges, and portion gas is rolled into liquid sizing material, makes moulding Stomata is produced, tissue looseness has a strong impact on moulding air-tightness, produces waste product.

Therefore, the structure of die cavity must consider it is easy to process, be easy to be vented, be easy to core pulling, simplify mould structure etc. All requirement, in order to solve above-mentioned problem, we are to be necessary to improve current art.

Utility model content

The utility model is to be directed to deficiency of the prior art there is provided a kind of large complicated carved moulding injection mold, The injection mold is constituted using multi-disc empiecement and is provided with air discharge duct between mold cavity, empiecement, to ensure aeration good in die cavity, To avoid damaging moulding during open form, it is ensured that cylinder weight；Simultaneously for the ease of taking out clout, using two joint surfaces form； The workpiece finally produced, any surface finish, precision is high, and clear-cut, dense structure, it is not necessary to pass through secondary operation can be straight Connect and come into operation.

To achieve the above object, the technical solution adopted in the utility model is：

A kind of large complicated carved moulding injection mold, including empiecement, pull bar, spring, block, cushion block, push pedal guide pillar, Rivet, taper pin, wedge block, sizing cage plate, sizing seat board, spreader, sprue bush, insert, pull bar, guide pin bushing, guide pillar, nut, branch Fagging, ejector pin retaining plate, push rod, sliding block, push pedal, release link)；Wherein, the injection mold constitutes mold cavity by multi-disc empiecement, And it is integral by rivet interlacement, air discharge duct is provided between multi-disc empiecement, to ensure aeration good in die cavity；Wherein, the note During mould liftout, push pedal is oriented to by push pedal guide pillar, and the upper extreme position of the nut limitation push pedal by push pedal guide pillar end.

Further improved as the utility model, injection mold includes sizing seat board end face A and sizing cage plate end face B two Die joint.

Further improved as the utility model, it also includes three push pedal guide pillars, is led during push pedal liftout by three push pedals Post is oriented to, and the upper extreme position of the nut limitation push pedal by push pedal guide pillar end.

Further improved as the utility model, equipped with four pull bars, two spiral shells of each pull bar top band on sizing seat board Mother, during open form, sizing seat board is moved down after certain distance, is driven sizing cage plate by nut, is realized die joint B partings.

Further improved as the utility model, injection mold includes providing Core-pulling force by four taper pins.

Further improved as the utility model, injection mold is included by four wedge blocks, it is ensured that there are enough die locking forces Overcome expansive force during injection liquid.

Further improved as the utility model, insert is insert block mechanism living.

The utility model has the advantage of：

1st, mold cavity is constituted using multi-disc empiecement, and it is integral by rivet interlacement.Air discharge duct is provided between empiecement, to ensure Good aeration in die cavity.

2nd, using sizing seat board end face A and sizing cage plate end face two die joints of B, it is to avoid defective work piece during open form, it is ensured that Cylinder weight, while being easy to take out clout.

3rd, Core-pulling force is provided using four taper pins, to ensure to meet die sinking four direction core pulling needs.

4th, using four wedge blocks, to ensure to there are enough die locking forces to overcome expansive force when being molded liquid.

More clearly to illustrate architectural feature of the present utility model and effect, come below in conjunction with the accompanying drawings with specific embodiment pair It is described in detail.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 is Fig. 1 A-A cross-sectional views；

Fig. 3 is Fig. 1 B-B cross-sectional views；

Fig. 4 is structural representation of the present utility model.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.

The large complicated carved moulding injection mold provided refering to accompanying drawing 1 to Fig. 4, the present embodiment, including empiecement 1, drawing Bar 2, spring 3, block 4, cushion block 5, push pedal guide pillar 6, rivet 7, taper pin (8, l6), wedge block (9,15), sizing cage plate 10, sizing Seat board 11, spreader 12, sprue bush 13, insert 14, pull bar 17, guide pin bushing (18,20), guide pillar 19, nut 21, supporting plate 22, push away Bar fixed plate 23, push rod 24, sliding block (25,28), push pedal 26, release link 27；Wherein, injection mold constitutes mould by multi-disc empiecement 1 Have die cavity, and linked into an integrated entity by rivet 7, air discharge duct is provided between multi-disc empiecement 1, to ensure aeration good in die cavity, It is oriented to during 26 liftout of push pedal by three push pedal guide pillars 6, and the nut 21 by the end of push pedal guide pillar 6 limits the limes superiors position of push pedal 26 Put.

This injection mold includes sizing seat board end face A and sizing cage plate end face two die joints of B.

Equipped with four pull bars 17 on the sizing seat board 11 of this injection mold, two nuts 21 of each 17 top band of pull bar are opened During type, sizing seat board 11 is moved down after certain distance, is driven sizing cage plate 10 by nut 21, is realized die joint B partings.

This injection mold provides Core-pulling force using four taper pins (8, l6), to ensure to meet die sinking four direction core pulling need Will.

This injection mold is using four wedge blocks (9,15), to ensure to have enough die locking forces to overcome expansion when being molded liquid Power.

The insert 14 of this injection mold is using insert block mechanism living.Due to having used insert block mechanism living, facilitate the maintenance of mould, And after insert abrasion living, insert living only need to be changed, without changing whole set of die, mould steel is saved, it is to avoid be whole Mould is scrapped, and reduces the renewal cost of mould.

The utility model injection mold operation principle：During matched moulds, mould is moved under forcing press effect, sizing closure, is resetted Bar 27 resets push rod 24 by ejector pin retaining plate 23, it is to avoid push rod collides empiecement and is damaged.Mould close and by wedge block (9, 15) after wedging, injection liquid is quick under the effect of injection machine drift to inject mold cavity, stays and is molded after type.During die sinking, four sliding blocks Start parting side core-pulling under taper pin (8, l6) effect.Because now empiecement is not fully drawn out, it is dynamic that empiecement prevents moulding from departing from The frictional force sum that the power and moulding of type are produced to the package power of spreader 12, much larger than rubbing between clout base and sprue bush 13 Wipe power, at the same at die joint B at the pull-off force of clout and die joint A the pull-off force of cast gate clout also greater than clout base and sprue bush Frictional force between 13, therefore die joint B not partings, die joint A partings, clout base are deviate from from sprue bush 13.Die joint A partings are extremely During certain distance, the nut 21 on pull bar 17 is collided with sizing cage plate 10, forces die joint B partings.More than at die joint B Expect that the area of cross section (abbreviation section B) is more than clout cross section (abbreviation section B) area at die joint A, while section B walls Thin, cooling is fast, and strength ratio section A is big, therefore the clout base of sprue bush 13 is broken in the presence of insert l4, and sprue clout is from insert 14 abjections.Therefore, moulding and sprue clout are remained on spreader 12.When die joint B continues parting to certain distance, take out Core terminates, and moulding is taken off together with sprue clout in the presence of push rod 24 from spreader 12.The work finally produced Part, any surface finish, precision is high, and clear-cut, dense structure, it is not necessary to pass through secondary operation can direct plunge into and use.

It is described above, only it is preferred embodiment of the present utility model, not makees any formal to the utility model Limitation.Any those skilled in the art, it is all available in the case where not departing from technical solutions of the utility model ambit The methods and techniques content of the disclosure above makes many possible variations and modification to technical solutions of the utility model, or is revised as The equivalent embodiment of equivalent variations.Therefore every content without departing from technical solutions of the utility model, the shape according to the utility model The equivalence changes that shape, construction and principle are made, all should be covered by protection domain of the present utility model.

Claims (7)

1. a kind of large complicated carved moulding injection mold, it is characterised in that including empiecement (1), pull bar (2), spring (3), Block (4), cushion block (5), push pedal guide pillar (6), rivet (7), taper pin (8, l6), wedge block (9,15), sizing cage plate (10), sizing Seat board (11), spreader (12), sprue bush (13), insert (14), pull bar (17), guide pin bushing (18,20), guide pillar (19), nut (21), supporting plate (22), ejector pin retaining plate (23), push rod (24), sliding block (25,28), push pedal (26), release link (27)；Wherein, The injection mold constitutes mold cavity by multi-disc empiecement (1), and is linked into an integrated entity by rivet (7), the multi-disc empiecement (1) it Between be provided with air discharge duct, to ensure aeration good in die cavity；During the injection mold liftout, push pedal (26) is by push pedal guide pillar (6) it is oriented to, and the upper extreme position of nut (21) the limitation push pedal (26) by push pedal guide pillar (6) end.

2. large complicated carved moulding injection mold according to claim 1, it is characterised in that the injection mold bag Include sizing seat board end face I and sizing cage plate II two die joints of end face.

3. large complicated carved moulding injection mold according to claim 1, it is characterised in that it is also pushed away including three Plate guide pillar (6), is oriented to during push pedal (26) liftout by three push pedal guide pillars (6), and by the nut of push pedal guide pillar (6) end (21) upper extreme position of limitation push pedal (26).

4. large complicated carved moulding injection mold according to claim 1, it is characterised in that the sizing seat board (11) equipped with four pull bars (17) on, each pull bar (17) top two nuts (21) of band, during open form, sizing seat board 11 moves down one After set a distance, sizing cage plate is driven by nut 21, die joint B partings are realized.

5. large complicated carved moulding injection mold according to claim 1, it is characterised in that the injection mold bag Include four taper pins (8, l6).

6. large complicated carved moulding injection mold according to claim 1, it is characterised in that the injection mold bag Include four wedge blocks (9,15), it is ensured that there are enough die locking forces to overcome expansive force when being molded liquid.

7. large complicated carved moulding injection mold according to claim 1, it is characterised in that the insert (14) is Insert block mechanism living.