CN203739131U

CN203739131U - Forming mold

Info

Publication number: CN203739131U
Application number: CN201420082544.2U
Authority: CN
Inventors: 林孝良
Original assignee: SUZHOU XIANGLONG PLASTIC CO Ltd
Current assignee: SUZHOU XIANGLONG PLASTIC CO Ltd
Priority date: 2014-02-26
Filing date: 2014-02-26
Publication date: 2014-07-30
Anticipated expiration: 2024-02-26

Abstract

The utility model provides a forming mold. The forming mold comprises a male mold and a female mold, wherein the male mold has an injection hole and an injection runner formed by the extending of the injection hole into the male mold; the female mold is matched with the male mold and is provided with a cold slug well corresponding to the injection runner; the cold slug well comprises a main hole and a plurality of auxiliary holes formed in/connected to the peripheral edge of the main hole. According to the forming mold, the cold slug well in the mold can be improved, so that gripping force of a formed cold slug can be increased.

Description

Mould

Technical field

The utility model relates to a kind of instrument of producing plastic products, particularly a kind of mould.

Background technology

Traditionally, for the production of the mould of plastic products, be mainly to match and form with a master mold with a male model, and can in male and female mould, be formed with die cavity and cast runner thereof, and inject after die cavity by pouring into a mould runner for plastics, see through die cavity and take the required plastic products of moulding.And in order to prevent that cooling plastics from (claiming cold slag; cold slag) enter die cavity and affect quality of item; slag well conventionally can be set in the sprue of cast runner and secondary fluid course junction and (claim again cold slug well or stagnant material portion; cold slug well); can first be pushed to slag well in the time injecting for cooling plastics, make product property more even and uniform plastics are entered in die cavity.

But mould, in the design of slag well, was " circle " according to the section configuration of cast runner often in the past, therefore in the time of plastic shaping, the grip of male model is comparatively not enough, easily causes stub bar to be bonded at the situation of master mold, thereby needs to be improved.

Utility model content

The technical problems to be solved in the utility model is that the grip of the cold well male model in the time of plastic shaping in order to overcome existing mold is comparatively not enough, easily causes stub bar to stick the defect at master mold, and a kind of mould is provided.

The utility model is to solve above-mentioned technical problem by following technical proposals:

A kind of mould, it includes:

One male model, is provided with an inlet and and in described male model, extends formed injection runner by described inlet; And

One master mold, matches with described male model, and described master mold is provided with a slag well corresponding with described injection runner;

Wherein, described slag well has a main aperture and the plural secondary hole that forms and be connected in described main aperture periphery.

Preferably, described secondary orifice ring is around in outside described main aperture periphery and decile configuration.

Preferably, the degree of depth of the main aperture of described slag well is greater than the degree of depth in each described secondary hole.

Preferably, the section configuration that the main aperture of described slag well and each described secondary hole form is radial.

A kind of mould, it includes:

One male model, there is one first die joint and a casting area, and be formed with upper mould cave on described the first die joint, and described casting area is provided with an inlet, is also provided with one and extends and lead to the injection runner of described the first die joint by described inlet in described male model; And

One master mold, match with described male model, and have one with corresponding the second stacked die joint of described the first die joint, and the cast runner and one and the corresponding slag well of described injection runner that is formed with the lower die cavity, coordinating with described upper mould cave on described the second die joint and is communicated to described lower die cavity, described slag well is positioned on described cast runner and towards described master mold and is recessed and forms;

Positive progressive effect of the present utility model is: can improve the slag well in mould, make the cold burden head after its moulding can increase grip.

Brief description of the drawings

Fig. 1 is the perspective view of the utility model mould one embodiment.

Fig. 2 is the enlarged detail of the cast runner of the utility model mould one embodiment.

Fig. 3 is the generalized section of the slag well of the utility model mould one embodiment.

Fig. 4 is the schematic cross-section of the slag well of the utility model mould one embodiment.

Fig. 5 is the schematic cross-section of another slag well of the utility model mould one embodiment.

Fig. 6 is the schematic cross-section of another slag well of the utility model mould one embodiment.

Description of reference numerals:

Male model: 1

The first die joint: 10

Upper mould cave: 100

Casting area: 11

Inlet: 110

Inject runner: 12

Master mold: 2

The second die joint: 20

Cast runner: 21

Slag well: 22

Main aperture: 220

Secondary hole: 221

Detailed description of the invention

Lift a preferred embodiment below, and carry out by reference to the accompanying drawings the clearer the utility model that intactly illustrates.

Embodiment

Understood incorporated by reference to Fig. 1, a kind of mould, comprises a male model 1 and a master mold 2 matching with described male model 1; Wherein:

Described male model 1 has one first die joint 10 and a casting area 11, and common the first die joint 10 lays respectively at two corresponding on male model 1 with casting area 11, and the bottom surface casting area 11 that for example the first die joint 10 is positioned at male model 1 is positioned at the end face of male model 1.Simultaneously, described casting area 11 is provided with an inlet 110, and in described male model 1, be provided with one and extend and lead to the injection runner 12 of the first die joint 10 by described inlet 110, for the plastics in order to moulded products, can be injected in male model 1 by described inlet 110, and flow to the first die joint 10 places by injecting runner 12.

Described master mold 2 matches with above-mentioned male model 1, to do upper and lower stacked with male model 1.Described master mold 2 have one with the corresponding second stacked die joint 20 of the first die joint 10 of male model 1, and be formed with on upper mould cave 100, the second die joints 20 and be formed with the lower die cavity 200 coordinating with upper mould cave 100 on above-mentioned the first die joint 10; When male model 1 and master mold upper and lower stacked after, described upper and lower die cavity 100,200 can be mutually stacked and form the face shaping of plastic products for molding.

Understood incorporated by reference to Fig. 2, described master mold 2 is also provided with cast runner 21 and a slag well 22 corresponding with the injection runner 12 of male model 1 that is communicated to aforementioned lower die cavity 200 on the second die joint 20, and described slag well 22 is positioned on cast runner 21 and is recessed and forms towards master mold 2; Therefore, when the aforementioned plastics in order to moulded products flow to by the injection runner 12 of male model 1 behind the first die joint 10 places, can be again flow in mutually stacked upper and lower die cavity 100,200 by cast runner 21, make the plastics can be because injecting the interior required plastic products of moulding of upper and lower die cavity 100,200.

Understood incorporated by reference to Fig. 3, Fig. 4, the utility model is mainly improved described slag well 22, can have better grip so that plastics inject the cold burden head (figure slightly) of the rear institute of slag well 22 moulding.Slag well 22 of the present utility model has a main aperture 220 and plural number formation and is connected in the secondary hole 221 of described main aperture 220 peripheries, so, the cold burden head forming can coordinate the shape of described slag well 22, increase its grip and see through each secondary hole 221, easily stick in situation generations such as master molds to improve stub bar.Moreover as shown in Figure 3, in the utility model preferred embodiment, the depth H of the main aperture 220 of described slag well 22, can be greater than the degree of depth h in each secondary hole 221.

Understood incorporated by reference to Fig. 4, Fig. 5, Fig. 6, each secondary hole 221 is surrounded on outside main aperture 220 peripheries and decile configuration, so that the main aperture 220 of described slag well 22 is radial with the section configuration that each secondary hole 221 forms, and the quantity in each secondary hole 221 also visual required grip size set up.

Therefore,, by above-mentioned contexture, can obtain the utility model mould.

Therefore, by the utility model mould, can see through the secondary hole 221 of slag well 22 increase the grip of the cold burden head after moulding, can have whereby enough grips, to avoid the grip deficiency of plastics male model 1 when the moulding or to reduce and cause stub bar to stick the generation in situations such as master molds 2.

Although more than described detailed description of the invention of the present utility model, it will be understood by those of skill in the art that these only illustrate, protection domain of the present utility model is limited by appended claims.Those skilled in the art is not deviating under the prerequisite of principle of the present utility model and essence, can make various changes or modifications to these embodiments, but these changes and amendment all fall into protection domain of the present utility model.

Claims

1. a mould, is characterized in that, it includes:

2. mould as claimed in claim 1, is characterized in that, described secondary orifice ring is around in outside described main aperture periphery and decile configuration.

3. mould as claimed in claim 2, is characterized in that, the degree of depth of the main aperture of described slag well is greater than the degree of depth in each described secondary hole.

4. the mould as described in claim 1-3 any one, is characterized in that, the section configuration that the main aperture of described slag well and each described secondary hole form is radial.

5. mould as claimed in claim 1, is characterized in that, the degree of depth of the main aperture of described slag well is greater than the degree of depth in each described secondary hole.

6. a mould, is characterized in that, it includes:

7. mould as claimed in claim 6, is characterized in that, described secondary orifice ring is around in outside described main aperture periphery and decile configuration.

8. mould as claimed in claim 7, is characterized in that, the degree of depth of the main aperture of described slag well is greater than the degree of depth in each described secondary hole.

9. the mould as described in claim 6-8 any one, is characterized in that, the section configuration that the main aperture of described slag well and each described secondary hole form is radial.

10. mould as claimed in claim 6, is characterized in that, the degree of depth of the main aperture of described slag well is greater than the degree of depth in each described secondary hole.