CN205201996U - High mirror surface thin wall mould structure of protruding slide - Google Patents

Abstract

The utility model discloses a high mirror surface thin wall mould structure of protruding slide, include the public mould benevolence that is located the below, be located the master model benevolence of top, inlay and establish mould benevolence income in the public mould benevolence, and by the one -tenth die cavity of the common thin wall shape that forms of son is gone into to public mould benevolence, the merciful and peaceful mould benevolence of master model, the one end that becomes the die cavity is provided with the runner that is linked together with it, be provided with air discharge duct and mirror surface groove on mould benevolence income, it has by being close to to become the die cavity that one end of runner is to keeping away from that one end of runner is the thickness of thickened gradually. The utility model discloses the high mirror surface thin wall mould of the protruding slide of this kind can guarantee that the product is even qualified on molding dimension, prevents that fashioned product thickness size from can't meet the demands.

Description

Convex slide height minute surface thin-walled mould structure

Technical field

The utility model relates to a kind of mould structure, is specifically related to a kind of convex slide height minute surface thin-walled mould structure.

Background technology

Mould belongs to the intermediate products in production process, for the production of final products, Mould Machining is one of important way of forming materials, compared with machining, have that operation is few, stock utilization is high, energy consumption is low, easy production, benefit high, be widely used in the every profession and trades such as automobile, the energy, medical treatment, machinery, electronics, Aero-Space.Due to the important function of mould in manufacturing industry, the Design and manufacture of mould has become a manufacturing key areas, and therefore mold manufacturing industry is also subject to concern and the attention of each industrially developed country of the world always.Due to mould self, Modern mould manufacture is already through becoming the manufacturing part of new and high technology.Tool and Die Technology level, has become the important symbol of the national manufacturing industry level of measurement one, is also the core competitiveness of the product advantage in the international market keeping these countries.

Die industry is technology-intensive, added value is high, need enterprise to have stronger research and development ability, need a large amount of technical force supports, and as Technology of Precision Measurement, has industry experience for many years and technology precipitation, the selection of material and process choice technology.Need enterprise to improve constantly the requirement of the aspect such as manufacturing cycle, the machining accuracy of mould, the cost of processing of mould simultaneously.

The feature of comprehensive above die industries, requires that the enterprise in industry remains creativity consciousness.Continuous introducing advanced equipments of high grade and precision, introducing, R & D Cooperation and independent research new and high technology etc., could maintain enterprise's competitiveness in the market, constantly extend volume growth, take the good opportunity in competition.

Existing convex slide mould is due to the characteristic of its forming thin-walled products, mould in use, mould filling pressure cannot ensure that product size is even, the gauge away from cast gate place can be greater than near cast gate place gauge, when Product Precision requires high, product size cannot meet the demands.Convex slide mold groove minute surface requires high simultaneously, and traditional method by making mold insert part, can do mirror finish separately, and this structure is when producing in batches, and mold insert is not easy to clean maintenance, and easily pollutes convex slide minute surface.

Utility model content

The utility model object is: for the deficiencies in the prior art, provides a kind of convex slide height minute surface thin-walled mould structure, to ensure that product is evenly qualified on compact dimensions.

The technical solution of the utility model is: a kind of convex slide height minute surface thin-walled mould structure, comprise the male die core being positioned at below, be positioned at the mother module core of top, the die be embedded in described male die core enters son, and enters the forming cavity of the thin-walled shape that son is formed jointly by described male die core, mother module core and die; One end of described forming cavity is provided with and is attached thereto logical cast gate, and described die enters on son to be provided with air discharge duct and minute surface groove;

Described forming cavity has by that one end of close described cast gate extremely away from the thickness that one end of described cast gate is thickening gradually.

The utility model, on the basis of technique scheme, also comprises following preferred version:

The maximum gauge of described forming cavity differs 0.015mm with minimum thickness.

Described air discharge duct is at least four, and these air discharge ducts are intervally arranged to that one end away from described cast gate by near that one end of described cast gate; Away from the degree of depth of the air discharge duct of described that one end of cast gate, be greater than the degree of depth of the air discharge duct near described that one end of cast gate.

Away from the air discharge duct degree of depth dark 0.007mm of air discharge duct depth ratio near described that one end of cast gate of that one end of described cast gate.

The air discharge duct degree of depth away from that one end of described cast gate is 0.015mm, and the air discharge duct degree of depth near described that one end of cast gate is 0.008mm.

Described minute surface groove and described die enter son for integral type structure.

Described die enters son and is provided with two altogether.

The utility model has the advantages that: the thickness in this die for molding chamber, become large by near that one end of described cast gate gradually to that one end away from described cast gate.It does disparity compensation to the front and back thickness in mould molding chamber, thus ensure that the uniformity of gauge before and after shaping rear product, and the difference in thickness before and after convex slide product is controlled in 0.01mm error range.

Accompanying drawing explanation

In order to be illustrated more clearly in the technical scheme of the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.

Fig. 1 is the exploded view of this convex slide height minute surface thin-walled mould structure of the utility model embodiment;

Fig. 2 is the perspective view that in the utility model embodiment, die enters son;

Fig. 3 is the plan view from above that in the utility model embodiment, die enters son;

Fig. 4 is the facade view that in the utility model embodiment, die enters son;

Wherein: 1-male die core, 2-mother module core, 3-die enters son, 4-forming cavity, 5-cast gate, 6-air discharge duct, 7-minute surface groove.

Detailed description of the invention

Below in conjunction with specific embodiment, such scheme is described further.Should be understood that these embodiments are not limited to for illustration of the utility model limit scope of the present utility model.The implementation condition adopted in embodiment can do further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in normal experiment.

Fig. 1 ~ Fig. 4 shows a specific embodiment of this convex slide height minute surface thin-walled mould structure of the utility model, identical with tradition convex slide height minute surface thin-walled mould structure is, it also comprises the male die core 1 being positioned at below, be positioned at the mother module core 2 of top, the die be embedded in described male die core enters son 3, and enters the forming cavity 4 of the thin-walled shape that son is formed jointly by described male die core, mother module core and die.One end of described forming cavity 4 is provided with and is attached thereto logical cast gate 5, and described die enters on son 3 to be provided with at least four air discharge ducts 6 and five minute surface grooves 7, and wherein minute surface groove 7 is for molding the high light mirror surface structure of convex slide product.

The key improvements of the present embodiment is: described forming cavity 4 has by that one end of close described cast gate 5 extremely away from the thickness that one end of described cast gate 5 is thickening gradually.That is: the thickness of described forming cavity 4, become large by near that one end of described cast gate 5 gradually to that one end away from described cast gate 5.

Further improvement of this embodiment point is: described minute surface groove 7 and described die enter son 3 for integral type structure.And in the conventional technology, minute surface groove 7 and die enter son 3 for split-type structural, by entering with the mold insert of minute surface groove 7 and die after son 4 completes respectively, the mold insert with minute surface groove 7 fixedly being embedded in die and entering on sub 3.

Mould is when injection moulding, and Shooting Technique is by three sections of injection phase and pressurize shaped article.First paragraph is filled into runner cast gate place mainly through general injection pressure according to middling speed.Next start second segment substantially to have been filled by the global shape of high-voltage high-speed Fast Filling by product.3rd section of high pressure middling speed carries out integral-filled feeding, has been filled by the product leading portion of injection molding sprue (not occurring shrinking impression) finally by one section of pressurize.Whole filling process because of exhaust better, its resistance is little, fill and feeding effect better, and can not exist when producing in batches and be vented the bad defect problem such as cause that product appearance is burnt.And product size does disparity compensation because of thickness before and after mold cavity (i.e. forming cavity 4), thus ensure that the uniformity of gauge before and after shaping rear product, the difference in thickness before and after convex slide product is controlled in 0.01mm error range.In addition, the minute surface groove in this mould and die enter son for integral type structure, and the greasy dirt do not existed in batch production product process in mould infiltrates problem, and maintenance can not cause mould appearance face to injure (substantially not needing clean high light face).

In this example, the maximum gauge (namely away from that one end thickness of described cast gate 5) of described forming cavity 4 differs 0.015mm with minimum thickness (namely near that one end thickness of described cast gate 5).

Described die enters these air discharge ducts 6 on son 3, enters on son 3 inwardly spaced apart by described cast gate 5 at die, that is: these air discharge ducts 6 that die enters on son 3 are intervally arranged, as Fig. 3 to that one end away from described cast gate 5 by near that one end of described cast gate 5.During in order to ensure formed product, entering sub 3 ends at die, to be subject to resistance less, and this example have employed following measure: away from the degree of depth of the air discharge duct 6 of described that one end of cast gate 5, is greater than the degree of depth of the air discharge duct 6 near described that one end of cast gate 5.

In this example, air discharge duct 6 degree of depth away from that one end of cast gate 5 is 0.015mm, and air discharge duct 6 degree of depth near that one end of cast gate 5 is 0.008mm.Away from the air discharge duct degree of depth dark 0.007mm of air discharge duct depth ratio near that one end of cast gate 5 of that one end of cast gate 5.

This mould of the present embodiment adopts a mould two cave structure, and namely described die enters son 3 and forming cavity 4 is provided with two, once plastic two convex slide products altogether.

Its parts marked are not related to the technological improvement point of this patent in FIG, and these parts are the conventional structure of existing convex slide height minute surface thin-walled mould, therefore are not described further at this.

Certainly, above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to people can be understood content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalent transformations of doing according to the Spirit Essence of the utility model main technical schemes or modification, all should be encompassed within protection domain of the present utility model.

Claims (7)

1. a convex slide height minute surface thin-walled mould structure, comprise the male die core (1) being positioned at below, be positioned at the mother module core (2) of top, the die be embedded in described male die core enters son (3), and enters the forming cavity (4) of the thin-walled shape that son is formed jointly by described male die core, mother module core and die; One end of described forming cavity (4) is provided with and is attached thereto logical cast gate (5), and described die enters on son (3) to be provided with air discharge duct (6) and minute surface groove (7);

It is characterized in that: described forming cavity (4) has by that one end of close described cast gate (5) extremely away from the thickness that one end of described cast gate (5) is thickening gradually.

2. convex slide height minute surface thin-walled mould structure according to claim 1, is characterized in that: the maximum gauge of described forming cavity (4) differs 0.015mm with minimum thickness.

3. convex slide height minute surface thin-walled mould structure according to claim 1, it is characterized in that: described air discharge duct (6) is at least four, and these air discharge ducts (6) are intervally arranged to that one end away from described cast gate (5) by near that one end of described cast gate (5); Away from the degree of depth of the air discharge duct (6) of described cast gate (5) that one end, be greater than the degree of depth of the air discharge duct (6) near described cast gate (5) that one end.

4. convex slide height minute surface thin-walled mould structure according to claim 3, is characterized in that: away from air discharge duct (6) the degree of depth dark 0.007mm of air discharge duct (6) depth ratio near described cast gate (5) that one end of that one end of described cast gate (5).

5. convex slide height minute surface thin-walled mould structure according to claim 4, it is characterized in that: air discharge duct (6) degree of depth away from that one end of described cast gate (5) is 0.015mm, air discharge duct (6) degree of depth near described cast gate (5) that one end is 0.008mm.

6. convex slide height minute surface thin-walled mould structure according to claim 1, is characterized in that: described minute surface groove (7) and described die enter son (3) for integral type structure.

7. convex slide height minute surface thin-walled mould structure according to claim 1, is characterized in that: described die enters son (3) and is provided with two altogether.