CN203267015U

CN203267015U - Anti-sticking structure of mould

Info

Publication number: CN203267015U
Application number: CN 201320193289
Authority: CN
Inventors: 李兴发
Original assignee: Mitac Precision Technology Kunshan Ltd
Current assignee: Mitac Precision Technology Kunshan Ltd
Priority date: 2013-04-16
Filing date: 2013-04-16
Publication date: 2013-11-06
Anticipated expiration: 2023-04-16

Abstract

The utility model discloses an anti-sticking structure of a mould. The anti-sticking structure is arranged in the mould; a product provided with a plurality of blind holes is molded by the mould; the mould is provided with a female template and a female mould core, which are mutually combined; the anti-sticking structure of the mould comprises a plurality of inserting needles, a spring and a limiting screw, wherein the inserting needles respectively and correspondingly mould the blind holes; one ends of the inserting needles are fixed in the female template and the other ends of the inserting needles penetrate through the female mould core to be exposed out; one end of the spring is arranged on the female mould core and the other end of the spring is abutted against the female template; one end of the limiting screw penetrates through the spring and is fixed on the female mould core and the other end of the limiting screw is provided with a hanging platform; the hanging platform is arranged in the female template and is provided with a movable distance. With the adoption of the anti-sticking structure disclosed by the utility model, the product molded with a plurality of the blind holes does not have a parting line and can also be normally de-molded.

Description

The anti-sticking structure of mould

[technical field]

The utility model relates to a kind of anti-sticking structure, particularly relates to a kind of anti-sticking structure of mould.

[background technology]

When adopting mould to carry out formed product, usually can demand the surface parting line can not be arranged.See also Fig. 1, Fig. 1 illustrates the structural representation into a kind of product.As shown in the figure, the surface of this product 100 has several blind holes 101.Owing to having a plurality of blind holes 101 on described product 100, and require not have parting line after moulding, therefore need a kind of anti-sticking structure of design, to reach the demand.

See also Fig. 2, Fig. 2 illustrates a kind of anti-sticking structure schematic diagram into prior art.Anti-sticking structure shown in Figure 2 has spring 200 and bullet piece 201, and described spring 200 is located in caster 202, and described bullet piece 201 is located in mother module core 203, has breaking face 205 on male die core 204, also has hanging platform 206 on described bullet piece 201.During die sinking, due to the effect of described spring 200, described bullet piece 201 supports the breaking face 205 of described male die core 204, until described hanging platform 206 is obstructed, described bullet piece 201 breaks away from product 207 afterwards.Because described product 207 can produce die joint with the part that described bullet piece 201 contacts.Therefore this anti-sticking structure can not be reached the demand.

See also Fig. 3, Fig. 3 illustrates the another kind of anti-sticking structure schematic diagram into prior art.Anti-sticking structure shown in Figure 3 for each blind hole 301 of product 300, all needs to have the spring 302 of a correspondence corresponding with it with bullet pin 303, just can moulding and separation, for the product 300 that a plurality of blind holes 301 are arranged, be subject to the problem in space, anti-sticking structure can't design.When separating, also need stripper plate 304 to separate with caster 305 simultaneously, increase a die sinking, complex structure.

As seen, adopt the anti-sticking structure of prior art can't realize that all the product 100 that has a plurality of blind holes 101 in Fig. 1 had not both had parting line, purpose that again can antiseized separation.

In view of this, be necessary to develop in fact a kind of anti-sticking structure of mould, to address the above problem.

[summary of the invention]

Therefore, the purpose of this utility model is to provide a kind of anti-sticking structure of mould, and solving the product with a plurality of blind holes had not both had parting line, again the normal problem of the demoulding.

In order to achieve the above object, the anti-sticking structure of the mould that the utility model provides, described anti-sticking structure is located in mould, and described mould molding has the product of a plurality of blind holes, described mould has caster, the mother module core that mutually combines, and the anti-sticking structure of this mould comprises:

Several pins, it is the described blind hole of corresponding moulding respectively, and described pin one end is fixed in described caster, and the other end penetrates described mother module core and exposes;

Spring, one end are located in described mother module core, and its other end is held in described caster;

Limited screw, the one end is passed by described spring and is fixed on described mother module core, and its other end has hanging platform, and described hanging platform is located in described caster and is possessed an operating range.

Optionally, described mould also has male die core, is located at described mother module core away from described caster one side, and described male die core, mother module core, several pins coordinate the described product of moulding.

Optionally, described spring is symmetrical two of setting up.

Optionally, described spring is symmetrical set up a plurality of.

Optionally, described mould also has several guide pillars, and the one end is fixed on described caster, and the other end is inserted in guide pillar hole corresponding to described mother module core.

Optionally, the operating range of described limited screw in described caster more than or equal to the blind hole depth of described product and a safe clearance and.

Compared to prior art, utilize the anti-sticking structure of mould of the present utility model, when die sinking, the described pin that is fixed on described caster keeps motionless, because described mother module core is in-built, described spring is arranged, and described mother module core is slowly flicked, after the hanging platform of described limited screw is limited, described mother module core no longer moves, and the blind hole of described product has broken away from described pin at this moment, and described product is retained on described male die core.As seen, adopt this anti-sticking structure, the product of a plurality of blind holes of moulding had not both had parting line, again the normally demoulding.

[description of drawings]

Fig. 1 illustrates the structural representation into a kind of product.

Fig. 2 illustrates a kind of anti-sticking structure schematic diagram into prior art.

Fig. 3 illustrates the another kind of anti-sticking structure schematic diagram into prior art.

Fig. 4 illustrates the stereo decomposing structural representation into anti-sticking structure one preferred embodiment of mould of the present utility model.

Fig. 5 illustrates the matched moulds status architecture schematic diagram into anti-sticking structure one preferred embodiment of mould of the present utility model.

Fig. 6 illustrates the die opening state structural representation into anti-sticking structure one preferred embodiment of mould of the present utility model.

The product that Fig. 7 illustrates as anti-sticking structure one preferred embodiment of mould of the present utility model is ejected the status architecture schematic diagram.

[specific embodiment]

See also Fig. 4, Fig. 4 illustrates the stereo decomposing structural representation into anti-sticking structure one preferred embodiment of mould of the present utility model.

The anti-sticking structure of the mould that the utility model provides, described anti-sticking structure is located in mould, the product 100(that described mould molding has a plurality of blind holes 101 is as shown in Figure 1), described mould has caster 102, the mother module core 103 that mutually combines, and the anti-sticking structure of this mould comprises:

Several pins 104, it is the described blind hole 101 of corresponding moulding respectively, and described pin 104 1 ends are fixed in described caster 102, and the other end penetrates described mother module core 103 and exposes (on described mother module core 103, correspondence is provided with the hole);

Spring 105, one end are located in described mother module core 103 (on described mother module core 103, correspondence is provided with the hole), and its other end is held in described caster 102;

Limited screw 106, the one end is passed by described spring 105 and is fixed on described mother module core 103, and its other end has hanging platform 107, and described hanging platform 107 is located in described caster 102 and is possessed an operating range (on described caster 102, correspondence is provided with the hole).

Wherein, described mould also has male die core 108, is located at described mother module core 103 away from described caster 102 1 sides, and described male die core 108, mother module core 103, several pins 104 coordinate the described product 100 of moulding.

Wherein, in the present embodiment, described mould can also have several guide pillars 109, and the one end is fixed on described caster 102, and the other end is inserted in the guide pillar hole 110 of described mother module core 103 correspondences.Described guide pillar 109 can reach the effect of auxiliary positioning.The number of described guide pillar 109 can be four, and symmetry sets up, and so can help to guarantee accurate positioning and stress balance.

Wherein, in the present embodiment, described spring 105 so can strengthen elastic force and stress balance for symmetrical two of setting up; Certainly, described spring 105 also can for symmetry set up a plurality of.

Wherein, the operating range of described limited screw 106 in described caster 102 more than or equal to blind hole 101 degree of depth of described product 100 and a safe clearance and.Also namely, suppose that the operating range of described limited screw 106 in described caster 102 is S, blind hole 101 degree of depth of described product 100 are S1, and safe clearance is S0, has relation, S＞=S1+S0.S0 for example can be 2mm.

Please consult Fig. 5, Fig. 6, it illustrates respectively the die opening state structural representation into anti-sticking structure one preferred embodiment of the matched moulds status architecture schematic diagram of anti-sticking structure one preferred embodiment of mould of the present utility model, mould of the present utility model again.

When die sinking, the described pin 104 that is fixed on described caster 102 keeps motionless, described spring 105 is arranged because described mother module core 103 is in-built, described mother module core 103 is slowly flicked, after the hanging platform 107 of described limited screw 106 is limited (limited screw 106 motion be over operating range), described mother module core 103 no longer moves, and the blind hole 101 of described product 100 has broken away from described pin 104 at this moment, and described product 100 is retained on described male die core 108.

From the above, after described male die core 108 and described mother module core 103 broke away from, described product 100 ejected described male die core 108 by thimble 111.

As seen, adopt this anti-sticking structure, the product 100 of a plurality of blind holes 101 of moulding had not both had parting line, the normally demoulding again, and adopt the design of described spring 105, pin 104, shared space is less.

Claims

1. the anti-sticking structure of a mould, described anti-sticking structure is located in mould, and described mould molding has the product of a plurality of blind holes, and described mould has caster, the mother module core that mutually combines, and the anti-sticking structure of this mould comprises:

2. the anti-sticking structure of mould as claimed in claim 1, is characterized in that, described mould also has male die core, is located at described mother module core away from described caster one side, and described male die core, mother module core, several pins coordinate the described product of moulding.

3. the anti-sticking structure of mould as claimed in claim 1, is characterized in that, described mould also has several guide pillars, and the one end is fixed on described caster, and the other end is inserted in guide pillar hole corresponding to described mother module core.

4. the anti-sticking structure of mould as claimed in claim 3, is characterized in that, the number of described guide pillar is four, and symmetry is set up each other.

5. the anti-sticking structure of mould as claimed in claim 1, is characterized in that, the operating range of described limited screw in described caster more than or equal to the blind hole depth of described product and a safe clearance and.

6. as the anti-sticking structure of the described mould of any one in claim 1-5, it is characterized in that, described spring is symmetrical two of setting up.

7. as the anti-sticking structure of the described mould of any one in claim 1-5, it is characterized in that, described spring is symmetrical set up a plurality of.