CN207206979U - Mold cores and former - Google Patents

Abstract

The utility model provides a kind of mold cores and former, including：Mould upper casing provided with injection space, mould upper casing are provided with the first sprue gate and the second sprue gate；With the mould lower casing of mould top shells fit matched moulds, mould lower casing is provided with die cavity through hole, and die cavity through hole is set with injection space face；The conversion core being arranged in die cavity through hole；When conversion core is located at the first station, the openend in injection space is resisted against the upper surface of conversion core to form the first injection molding cavity, first sprue gate is connected with the first injection molding cavity, when conversion core is located at second station, the end face for changing the openend of the upper surface of core, the wall of die cavity through hole and injection space forms the second injection molding cavity, and the second sprue gate is connected with the second injection molding cavity.It can solve the problem that the moulding that production present in prior art prepares double layer material combination has die apparatus cost height using the technical program, produce tedious process, the technical problem of low production efficiency of preparation.

Description

Mold cores and former

Technical field

The utility model belongs to injection frock technical field, is to be related to a kind of mold cores and be molded to set more specifically It is standby.

Background technology

In order to obtain the excellent performance of moulding, increasing moulding is combined using double layer material and is molded into Type, reach different functions by two layers of different materials, and the function for being reached materials at two layers be combined with each other, So that moulding possesses the excellent performance that the moulding of the same race of single material injection molding can not have.It is but existing There is technology in the process for carrying out double layer material combination injection molding, just needed specially for a kind of injection molding of material Preparation uses one set of die equipment, that is to say, that the moulding that a double layer material is completed in injection production at least needs to use two Mold equipment is combined, in wherein one set of die equipment the injection semi-finished product of injection molding one of which material and then The semi-finished product are transferred to the injection molding that another material is carried out in another complete equipment, so as to obtain the double layer material knot of completion Close the finished product moulding of injection molding.It can be seen that in the prior art production prepare double layer material combination moulding do not only exist mould Have the problem of equipment cost is high, and produce the tedious process prepared, low production efficiency.

Utility model content

The purpose of this utility model is to provide a kind of mold cores and former, to solve present in prior art There is die apparatus cost height in the moulding that production prepares double layer material combination, produce tedious process, the low production efficiency of preparation Technical problem.

To achieve the above object, the technical solution adopted in the utility model is：A kind of mold cores are provided, including：Mould Upper casing, mould upper casing are provided with injection space, and mould upper casing is provided with the first sprue gate and the second sprue gate；Mould lower casing, mould Lower casing and mould top shells fit matched moulds, mould lower casing are provided with die cavity through hole, and when mould upper casing is with mould lower casing matched moulds, die cavity leads to Hole is set with injection space face；Core is changed, conversion core is arranged in die cavity through hole, and conversion core can be along die cavity through hole Axis direction slides, and the side for changing core is in contact with the hole wall of die cavity through hole；Wherein, conversion core has the first station And second station, when change core be located at the first station when, be molded space openend be resisted against change core upper surface with The first injection molding cavity is formed, the first sprue gate is connected with the first injection molding cavity, when conversion core is located at second station, changes core Upper surface, die cavity through hole wall and be molded space openend end face formed the second injection molding cavity, the second sprue gate with Second injection molding cavity is connected.

Further, mould upper casing is provided with even number injection space, and the contour shape in two neighboring injection space is symmetrical Set, mould lower casing is provided with is molded space with one-to-one die cavity through hole with even number, is respectively mounted in each die cavity through hole There is conversion core.

Further, mold cores also include injection supplementary structure, and injection supplementary structure is installed on mould upper casing and mould Between lower casing, and the end for being molded supplementary structure extends to the first injection molding cavity.

Further, injection supplementary structure includes the first accessory part and the second accessory part, the first accessory part and the Two accessory parts are relatively installed on the both sides of the first injection molding cavity.

Further, the first accessory part includes the first auxiliary mounting blocks and the first type position bar, and the first auxiliary mounting blocks are consolidated Dingan County is loaded between mould upper casing and mould lower casing, and the first auxiliary mounting blocks are provided with the first mounting hole, and the first type position bar plugs In in the first mounting hole, and the end of the first type position bar extends to the first injection molding cavity；Second accessory part, which includes the second auxiliary, pacifies Block and Second-Type position bar are filled, the second auxiliary mounting blocks are fixedly installed between mould upper casing and mould lower casing, the second auxiliary installation Block is provided with the second mounting hole, and Second-Type position bar is inserted in the second mounting hole, and the end of Second-Type position bar extends to first Injection molding cavity, Second-Type position bar are oppositely arranged with the first type position bar.

Further, mold cores also include core supporting construction, and core supporting construction is inserted in die cavity through hole, core The first end support conversion core of supporting construction, the second end of core supporting construction passes die cavity through hole and extends to outside, changes Core is with core supporting construction synchronization-sliding.

Further, core supporting construction includes sliding support member and connecting bolt, the first end for sliding support member plug In die cavity through hole, the second end for sliding support member extends to the outside of die cavity through hole, and the first end for sliding support member passes through connection Bolt is fixedly connected with conversion core, and is slid the first end of support member and changed core and abut against.

Further, mold cores also include demoulding thimble, and sliding support member is provided with thimble via, changes and set on core There is thimble escape groove, demoulding thimble sequentially passes through thimble via, thimble escape groove.

Further, a conversion core is correspondingly arranged on two demoulding thimbles, and one of demoulding thimble corresponds to the The position of the end for extending to the first injection molding cavity of one type position bar, another demoulding thimble correspond to extending to for Second-Type position bar The position of the end of first injection molding cavity.

According to the another aspect of the technical program, there is provided a kind of former.The former includes aforementioned techniques side The mold cores that case provides.

The note that different materials twice are carried out in same die apparatus can be realized using the mold cores of the technical program Modeling process, reduce die apparatus quantity, reduce equipment cost, and simplify the Injection Molding Products of double layer material combination Processing process is prepared, substantially increases production efficiency.

Brief description of the drawings

, below will be to embodiment or prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model The required accompanying drawing used is briefly described in description, it should be apparent that, drawings in the following description are only that this practicality is new Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with Other accompanying drawings are obtained according to these accompanying drawings.

Fig. 1 is the first decomposition texture schematic diagram of the mold cores of the utility model embodiment；

Fig. 2 is the second decomposition texture schematic diagram of the mold cores of the utility model embodiment；

Fig. 3 is the 3rd decomposition texture schematic diagram of the mold cores of the utility model embodiment；

Fig. 4 is the structural representation of the sliding support member in the mold cores of the utility model embodiment.

Wherein, each reference in figure：

10th, mould upper casing；11st, it is molded space；12nd, the first sprue gate；13rd, the second sprue gate；20th, mould lower casing；21st, type Chamber through hole；30th, core is changed；31st, thimble escape groove；40th, it is molded supplementary structure；41st, the first accessory part；411st, the first auxiliary Mounting blocks；412nd, the first type position bar；42nd, the second accessory part；421st, the second auxiliary mounting blocks；422nd, Second-Type position bar；50th, type Core supporting construction；51st, support member is slid；511st, thimble via；52nd, connecting bolt；100th, Injection Molding Products.

Embodiment

In order that technical problem to be solved in the utility model, technical scheme and beneficial effect are more clearly understood, with Lower combination drawings and Examples, the utility model is further elaborated.It is it should be appreciated that described herein specific real Example is applied only to explain the utility model, is not used to limit the utility model.

It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another On one element or it is connected on another element.When an element is known as " being connected to " another element, it can To be directly to another element or be indirectly connected on another element.

It is to be appreciated that term " length ", " width ", " on ", " under ", "front", "rear", "left", "right", " vertical ", The orientation or position relationship of the instruction such as " level ", " top ", " bottom ", " interior ", " outer " are to be closed based on orientation shown in the drawings or position System, it is for only for ease of and describes the utility model and simplified description, rather than the device or element of instruction or hint meaning is necessary With specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.

In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two More than, unless otherwise specifically defined.

As depicted in figs. 1 and 2, the mold cores of the present embodiment include mould upper casing 10, mould lower casing 20, conversion core 30, mould upper casing 10 is provided with injection space 11, and mould upper casing 10 is provided with the first sprue gate 12 and the second sprue gate 13, under mould Shell 20 coordinates matched moulds with mould upper casing 10, and mould lower casing 20 is provided with die cavity through hole 21, and mould upper casing 10 closes with mould lower casing 20 During mould, die cavity through hole 21 is set with the injection face of space 11, and conversion core 30 is arranged in die cavity through hole 21, and conversion core 30 can Slid along the axis direction of die cavity through hole 21, and the side for changing core 30 is in contact with the hole wall of die cavity through hole 21, wherein, turn Core 30 of remodeling has the first station and second station, when conversion core 30 is located at the first station, is molded the openend in space 11 Be resisted against conversion core 30 upper surface to form the first injection molding cavity, the first sprue gate 12 is connected with the first injection molding cavity, when turn When core 30 of remodeling is located at second station, opening for the upper surface of core 30, the wall of die cavity through hole 21 and injection space 11 is changed The end face at mouth end forms the second injection molding cavity, and the second sprue gate 13 is connected with the second injection molding cavity.

The mold cores provided using the technical program carry out the moulding that production prepares double layer material combination injection molding Product 100, core 30 will be changed and be arranged in the die cavity through hole 21 of mould lower casing 20, then by mould upper casing 10 and mould lower casing 20 carry out matched moulds, now, first are formed between the conversion core 30 of the first station and the injection space 11 of mould upper casing 10 Injection molding cavity, the first injected plastics material is poured into a mould to the first injection molding cavity by the first sprue gate 12, so as to be molded in the first injection molding cavity Ebonite material injection part, conversion core 30 is then slid onto into second station and re-forms the second injection molding cavity, and pass through second Second of injected plastics material is poured into a mould in sprue gate 13 to the second injection molding cavity, to be molded flexible glue material moulding in the second injection molding cavity, and And flexible glue material moulding and ebonite material injection part connecting shaping are complete Injection Molding Products 100.With giving birth in the prior art The moulding that production prepares double layer material combination is compared, and can be realized in same die apparatus using the mold cores of the technical program The middle injection moulding process for carrying out different materials twice, reduces die apparatus quantity, reduces equipment cost, and simplify bilayer The Injection Molding Products 100 that material combines prepare processing process, substantially increase production efficiency.

As shown in Figure 1 to Figure 3, in the present embodiment, mould upper casing 10 is provided with even number injection space 11, specifically, Mould upper casing 10 in the present embodiment has four injection spaces 11 being arranged in a linear, the profile in two neighboring injection space 11 Symmetrical shape is set, and mould lower casing 20 is provided with is molded space 11 with one-to-one die cavity through hole 21, Mei Gexing with even number It is mounted on changing core 30 in chamber through hole 21, and two neighboring conversion core 30 is symmetrical arranged.So, the mold cores are passed through It can realize that a matched moulds can prepare the multiple Injection Molding Products 100 of shaping simultaneously, further improve the life of Injection Molding Products 100 Produce efficiency.

During conversion core 30 is changed between the first station and second station, by the mold cores Core supporting construction 50 carries out manipulation realization, and in the present embodiment, core supporting construction 50 is inserted in die cavity through hole 21, core The first end support conversion core 30 of supporting construction 50, the second end of core supporting construction 50 passes die cavity through hole 21 and extended to outside Portion, conversion core 30 is with the synchronization-sliding of core supporting construction 50.Specifically, core supporting construction 50 includes the sliding He of support member 51 Connecting bolt 52, the first end of sliding support member 51 are inserted in die cavity through hole 21, and the second end of sliding support member 51 extends to type The outside of chamber through hole 21, the first end for sliding support member 51 is fixedly connected by connecting bolt 52 with conversion core 30, and is slid The first end of support member 51 abuts against with conversion core 30.By being exerted a force to sliding support member 51 so that sliding support member 51 first end can support to all-the-time stable conversion hysteria core 30, and the force for sliding support member 51 is acted on by controlling, and make Support member 51 must be slid to slide in die cavity through hole 21, now change core 30 with the sliding synchronization-sliding of support member 51 so that turn Core 30 of remodeling is changed between the first station and second station exactly.

Preferably, as shown in Fig. 2 the mold cores also include injection supplementary structure 40, injection supplementary structure 40 is installed on Between mould upper casing 10 and mould lower casing 20, and the end for being molded supplementary structure 40 extends to the first injection molding cavity, wherein, injection is auxiliary Structure 40 is helped to include the first accessory part 41 and the second accessory part 42, the first accessory part 41 is relative with the second accessory part 42 Ground is installed on the both sides of the first injection molding cavity.Specifically, the first accessory part 41 includes the first auxiliary mounting blocks 411 and first type position Bar 412, the second accessory part 42 include the second auxiliary mounting blocks 421 and Second-Type position bar 422, and the first auxiliary mounting blocks 411 are solid Dingan County is loaded between mould upper casing 10 and mould lower casing 20, and the first auxiliary mounting blocks 411 are provided with the first mounting hole, the first type position Bar 412 is inserted in the first mounting hole, and the end of the first type position bar 412 extends to the first injection molding cavity, the second auxiliary mounting blocks 421 are fixedly installed between mould upper casing 10 and mould lower casing 20, and the second auxiliary mounting blocks 421 are provided with the second mounting hole, the Two type position bars 422 are inserted in the second mounting hole, and the end of Second-Type position bar 422 extends to the first injection molding cavity, Second-Type position Bar 422 is oppositely arranged with the first type position bar 412.In injection molding process, end and the Second-Type position bar of the first type position bar 412 Part of 422 end as the cavity wall of the first injection molding cavity, during being molded ebonite material injection part, the first type position bar 412 end present position is shaped to an end of ebonite material injection part, the end present position of Second-Type position bar 422 into Type is another end of ebonite material injection part.Due to the end and the end position of Second-Type position bar 422 of the first type position bar 412 The end for putting the ebonite material injection part of place shaping is the moulding end for having groove structure, so, after die sinking, is needed First type position bar 412 is extracted out from the first mounting hole of the first auxiliary mounting blocks 411, by Second-Type position bar 422 from second Aid in extracting out in the second mounting hole of mounting blocks 421, then Injection Molding Products 100 could be removed from mold cores.

Ebonite material injection part, flexible glue material moulding are completed in injection, and waits ebonite material injection part and flexible glue Connecting shaping is completed to be Injection Molding Products 100 afterwards, it is necessary to mold mold cores, by mould between material injection part Shell 10 is carried out separating die sinking with mould lower casing 20, and now Injection Molding Products 100 are retained in the presence of mold stresses under mould (mold stresses are the stress for the first injection molding cavity and the second injection molding cavity Process Design formation that mold cores are formed in design on shell 20 Distribution difference, i.e. design cause the stress between mould lower casing 20 and Injection Molding Products 100 to be more than mould upper casing 10 and note Stress between plastic product 100, thus Injection Molding Products can be retained on mould lower casing 20 after die sinking), now, then lead to Demoulding thimble (not shown) is crossed to eject Injection Molding Products 100 from mould lower casing 20.In the present embodiment, support member 51 is slid Thimble via 511 is provided with, conversion core 30 is provided with thimble escape groove 31, and demoulding thimble sequentially passes through thimble via 511, top Pin escape groove 31.In order that demoulding thimble Injection Molding Products 100 are carried out in ejection operating process with Injection Molding Products 100 can be by Power is equably ejected mould lower casing 20, and therefore, a conversion core 30 is correspondingly arranged on two in the mold cores of the present embodiment Individual demoulding thimble, one of demoulding thimble correspond to the position of the end for extending to the first injection molding cavity of the first type position bar 412, Another demoulding thimble corresponds to the position of the end for extending to the first injection molding cavity of Second-Type position bar 422.So, will be molded During the ejection die lower casing 20 of part product 100, two demoulding thimbles are carried out to two ends of Injection Molding Products 100 respectively Ejection force, because two force effects are relative and even action, then Injection Molding Products can be slowly and equably under mould Shell 20 is deviate from, and realizes the completion demoulding of Injection Molding Products 100, ensures the integrality of Injection Molding Products 100 after the demoulding.

According to the another aspect of the technical program, there is provided a kind of former, the former include aforementioned techniques side The mold cores that case provides, the Injection Molding Products 100 that production prepares double layer material connecting shaping, phase are carried out using the mold cores For prior art, reach and reduce the purpose that uses of die apparatus, and simplify production and prepare double layer material and be combined into The preparation processing technology of the Injection Molding Products of type, improves production efficiency.

Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model Protection domain within.

Claims (10)

1. A kind of 1. mold cores, it is characterised in that including：

   Mould upper casing (10), the mould upper casing (10) are provided with injection space (11), and the mould upper casing (10) is provided with first Sprue gate (12) and the second sprue gate (13)；

   Mould lower casing (20), the mould lower casing (20) coordinate matched moulds, the mould lower casing (20) with the mould upper casing (10) Die cavity through hole (21) is provided with, when the mould upper casing (10) is with mould lower casing (20) matched moulds, the die cavity through hole (21) Set with described injection space (11) face；

   Core (30) is changed, the conversion core (30) is arranged in the die cavity through hole (21), and the conversion core (30) can Slid along the axis direction of the die cavity through hole (21), and the side of the conversion core (30) and the die cavity through hole (21) Hole wall is in contact；

   Wherein, the conversion core (30) has the first station and second station, when the conversion core (30) is located at described the During one station, the openend of injection space (11) is resisted against the upper surface for changing core (30) to form the first injection Chamber, first sprue gate (12) are connected with first injection molding cavity, when the conversion core (30) is located at second work During position, upper surface, the wall of the die cavity through hole (21) and the opening for injection space (11) of the conversion core (30) The end face at mouth end forms the second injection molding cavity, and second sprue gate (13) is connected with second injection molding cavity.
2. 2. mold cores as claimed in claim 1, it is characterised in that the mould upper casing (10) is provided with note described in even number Mould space (11), the contour shape of two neighboring injection space (11) is symmetrical arranged, and the mould lower casing (20) is provided with With being molded space (11) described in even number with one-to-one die cavity through hole (21), each die cavity through hole (21) is interior to be respectively mounted There is the conversion hysteria core (30).
3. 3. mold cores as claimed in claim 1 or 2, it is characterised in that the mold cores also include injection supplementary structure (40), the injection supplementary structure (40) is installed between the mould upper casing (10) and the mould lower casing (20), and described The end of injection supplementary structure (40) extends to first injection molding cavity.
4. 4. mold cores as claimed in claim 3, it is characterised in that the injection supplementary structure (40) includes the first assisted group Part (41) and the second accessory part (42), first accessory part (41) are relatively installed on institute with the second accessory part (42) State the both sides of the first injection molding cavity.
5. 5. mold cores as claimed in claim 4, it is characterised in that

   First accessory part (41) includes the first auxiliary mounting blocks (411) and the first type position bar (412), first auxiliary Mounting blocks (411) are fixedly installed between the mould upper casing (10) and the mould lower casing (20), the first auxiliary installation Block (411) is provided with the first mounting hole, and the first type position bar (412) is inserted in first mounting hole, and described first The end of type position bar (412) extends to first injection molding cavity；

   Second accessory part (42) includes the second auxiliary mounting blocks (421) and Second-Type position bar (422), second auxiliary Mounting blocks (421) are fixedly installed between the mould upper casing (10) and the mould lower casing (20), the second auxiliary installation Block (421) is provided with the second mounting hole, and Second-Type position bar (422) is inserted in second mounting hole, and described second The end of type position bar (422) extends to first injection molding cavity, Second-Type position bar (422) and the first type position bar (412) it is oppositely arranged.
6. 6. mold cores as claimed in claim 5, it is characterised in that the mold cores also include core supporting construction (50), the core supporting construction (50) is inserted in the die cavity through hole (21), and the first of the core supporting construction (50) The end support conversion core (30), the second end of the core supporting construction (50) passes the die cavity through hole (21) and extended to Outside, the conversion core (30) is with core supporting construction (50) synchronization-sliding.
7. 7. mold cores as claimed in claim 6, it is characterised in that the core supporting construction (50) includes sliding support member (51) and connecting bolt (52), the first end of the sliding support member (51) are inserted in the die cavity through hole (21), the sliding Second end of support member (51) extends to the outside of the die cavity through hole (21), and the first end of the sliding support member (51) passes through The connecting bolt (52) with it is described conversion core (30) be fixedly connected, and it is described sliding support member (51) first end with it is described Conversion core (30) abuts against.
8. 8. mold cores as claimed in claim 7, it is characterised in that the mold cores also include demoulding thimble, the cunning Move support member (51) and be provided with thimble via (511), the conversion core (30) is provided with thimble escape groove (31), the demoulding Thimble sequentially passes through the thimble via (511), the thimble escape groove (31).
9. 9. mold cores as claimed in claim 8, it is characterised in that a conversion core (30) is correspondingly arranged on two The demoulding thimble, one of them described demoulding thimble extend to first note corresponding to the first type position bar (412) The position of the end of chamber is moulded, another described demoulding thimble extends to described first corresponding to Second-Type position bar (422) The position of the end of injection molding cavity.
10. 10. a kind of former, it is characterised in that the former includes the mould type any one of claim 1 to 9 Core.