CN223948414U - A perfume shoulder sleeve with a front-mold core-pulling mechanism for strong mold release - Google Patents

Abstract

The utility model discloses a perfume shoulder sleeve forced release mold structure of a front mold, which comprises a front mold component and a rear mold component, wherein the front mold component and the rear mold component are together injection molded to produce the perfume shoulder sleeve, an annular buckle protruding outwards is arranged at the outer side of a sleeve opening at the top of the perfume shoulder sleeve, the front mold component comprises a front mold core, a front mold plate, annular spring glue, a release plate, a panel, a sprue bush and a core-pulling insert, the rear mold component comprises a rear mold core and a rear mold plate, an annular baffle ring is arranged at the outer side of the middle part of the core-pulling insert, a lifting groove matched with the annular baffle ring is arranged at the middle part of the front mold plate, and the bottom end of the rear mold core is fixedly connected with the rear mold plate. The utility model can reduce the development cost of the mould, improve the production efficiency, ensure that the side surface of the product has no die line, has delicate appearance, can better control the die line of the end surface of the product and reduce the burr risk.

Description

Perfume shoulder sleeve strong demolding tool structure with front mold capable of firstly pulling core

Technical Field

The utility model relates to the technical field of injection molding machine mold structures, in particular to a perfume shoulder sleeve forced release mold structure with a front mold for core pulling.

Background

The products produced by injection molding are various, part of the products are products with a forced release structure, such as perfume shoulder sleeve products used on perfume bottles, the front mould part of the products is provided with a ring-protruding buckling position, and if a slide block is needed to be made outside according to a normal mould structure, the mould cost can be increased, and meanwhile, mould closing lines can be arranged outside the products to influence the appearance of the products.

Disclosure of utility model

Aiming at the problem of demoulding of injection products with protruding buckling positions on the outer demoulding surface, the utility model provides a perfume shoulder sleeve forced demoulding mould structure with a front mould for firstly loosing core, and designs a forced demoulding structure with firstly loosing core.

Therefore, the utility model provides the following technical scheme:

The utility model provides a perfume shoulder cover of front mould loose core by force takes off mould structure, includes front mould subassembly, back mould subassembly, front mould subassembly, back mould subassembly are moulded plastics together and are produced perfume shoulder cover, perfume shoulder cover top pocket outside is equipped with outside convex annular knot, front mould subassembly include front mould benevolence, front mould board, annular spring glue, stripper, panel, runner cover, core-pulling mold insert earlier, back mould subassembly include back mould benevolence, back mould board, front mould benevolence bottom and front mould benevolence fixed connection, front mould board top be equipped with the ring channel, annular spring glue locate in the ring channel, the stripper locate front mould board top, the panel locate the stripper top, runner cover tail end and panel fixed, runner cover head end pass panel, stripper and core-pulling mold insert tail end connection earlier, core-pulling mold insert head end pass front mould benevolence, core-pulling mold insert and back mould benevolence when pasting tightly form the die cavity earlier, core-pulling mold insert middle part outside be equipped with annular baffle ring, the stripper plate be equipped with the annular baffle core back mould benevolence fixed connection behind the fixed die bottom.

According to the perfume shoulder sleeve product, a ring-protruding buckling position is arranged on the front mould part of the product, if a sliding block is needed to be arranged outside according to a normal mould structure, the mould cost is increased, meanwhile, a mould closing line is arranged outside the product to influence the appearance of the product, so that the structure of the product demolding is designed by the core-pulling and forced-releasing structure, the yielding position of an inner insert is required to be withdrawn firstly to realize forced release of the buckling position of the front mould, the product is plastically deformed and forced-releasing deformed to realize buckling position demolding, the rear mould component moves backwards during mould opening, the two plates are separated firstly under the action of spring glue between the stripping plate and the front mould plate, the connection between the sprue bush and the core-pulling insert is unchanged, namely, the driving buckling position arranged at the sprue bush is used for pulling the water gap to keep motionless, the core-pulling insert is driven by the insert at the water gap to keep motionless, and the front mould plate, the front mould core-pulling insert is required to be moved in the direction away from the rear mould, the deformation space of the product is reserved for yielding the product, and finally the buckling position of the product can be taken out.

As a preferable scheme of the utility model, the perfume shoulder sleeve is formed during injection molding of the product cavity, the top sleeve opening of the perfume shoulder sleeve is hollow and tubular, and the bottom of the sleeve opening is provided with a conical ring table.

As a preferable scheme of the utility model, a plurality of guide posts and guide holes matched with the guide posts are arranged between the front die assembly and the rear die assembly.

As a preferable scheme of the utility model, the rear die assembly comprises a rear die core, a rear die plate, a sliding block, a thimble panel, a thimble bottom plate and a bottom plate, wherein the sliding block is arranged on the rear die plate and outside the rear die core, the thimble panel is arranged on the bottom side of the rear die plate, and the thimble bottom plate is arranged at the bottom of the thimble panel and is connected with the bottom plate.

As a preferable scheme of the utility model, the height of the outward bulge of the annular buckle at the outer side of the top sleeve opening of the perfume shoulder sleeve is 0.25 mm. Through actual use, this scheme can successfully use when annular knot outwards convex height is 0.25 millimeter, if annular knot outwards convex height is too big, then unsuitable use this scheme and take off structure by force.

As a preferable scheme of the utility model, the depth of the lifting groove is 7mm larger than the thickness of the annular baffle ring. In actual use, the scheme provides 7mm of strong separation distance for the core-pulling insert, and the core-pulling insert can be separated from a product smoothly.

As a preferable scheme of the utility model, the head end of the sprue bush is connected with the tail end of the core-pulling insert in a buckling way, the head end of the sprue bush is outwards expanded to form a conical end, the tail end of the core-pulling insert is provided with a conical hole with a small opening and a large bottom, and the conical end is buckled in the conical hole.

Compared with the prior art, the utility model has the following beneficial effects:

the die structure is simplified, the die development cost can be reduced, the production efficiency is high, the side surface of the produced product has no die assembly line, the appearance is exquisite, and the burr risk is reduced.

Drawings

FIG. 1 is a schematic view of a mold closing structure according to the present utility model.

Fig. 2 is an enlarged view at a in fig. 1.

Fig. 3 is a schematic structural view of the present utility model when the mold is opened.

Fig. 4 is an enlarged view at B in fig. 3.

FIG. 5 is a schematic view of a structure of the product of the present utility model when it is released from the mold.

Fig. 6 is an enlarged view of fig. 5 at C.

Fig. 7 is a schematic view of the appearance and structure of the perfume shoulder sleeve of the present utility model.

In the figure, 1, a front mould component 2, a rear mould component 3, a perfume shoulder sleeve 4 and a guide post

11. Front mould core 12, front mould plate 13, annular spring glue 14 and shedding plate

15. Panel 16, sprue bush 17, core-pulling insert 18, annular groove

21. Rear mould core 22, rear mould plate 23, slide block 24 and thimble panel

25. Thimble bottom plate 26, bottom plate 31, annular buckle 121 and lifting groove

171. An annular baffle ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to figures 1-7 of the drawings,

The utility model provides a perfume shoulder cover forced release mould structure that front mould was loose core earlier, including front mould subassembly 1, back mould subassembly 2, front mould subassembly 1, back mould subassembly 2 moulds plastics together and produces perfume shoulder cover 3, perfume shoulder cover 3 top pocket outside is equipped with outside convex annular knot 31, front mould subassembly 1 includes front mould benevolence 11, front mould board 12, annular spring glue 13, the stripper plate 14, panel 15, runner cover 16, first core-pulling mold insert 17, back mould subassembly 2 includes back mould benevolence 21, back mould board 22, front mould board 12 bottom and front mould benevolence 11 fixed connection, front mould board 12 top is equipped with ring channel 18, annular spring glue 13 locates in ring channel 18, stripper plate 14 locates front mould board 12 top, panel 15 locates the stripper plate 14 top, runner cover 16 tail end and panel 15 are fixed, runner cover 16 head end passes panel 15, stripper plate 14 and core-pulling mold insert 17 tail end connection, core-pulling mold benevolence 17 head end passes front mould benevolence 12, front mould benevolence 11, core-pulling mold benevolence 17 forms the product when first core-pulling mold benevolence 21 is closely, the middle part is equipped with core-pulling mold benevolence 17, the outside is equipped with annular baffle ring 171 and back mould benevolence 21 is fixed with back baffle plate 121 die cavity 121, the die cavity is fixed in the back end of die cavity 121.

The perfume shoulder sleeve 3 is formed during injection molding in the product cavity, the top pocket of the perfume shoulder sleeve 3 is hollow tubular, and the bottom of the pocket is provided with a conical ring table.

A plurality of guide posts 4 and guide holes (not shown) matched with the guide posts 4 are arranged between the front die assembly 1 and the rear die assembly 2.

The rear die assembly 2 comprises a rear die core 21, a rear die plate 22, a sliding block 23, a thimble panel 24, a thimble bottom plate 25 and a bottom plate 26, wherein the sliding block 23 is arranged on the rear die plate 22 and outside the rear die core 21, the thimble panel 24 is arranged on the bottom side of the rear die plate 22, and the thimble bottom plate 25 is arranged at the bottom of the thimble panel 24 and connected with the bottom plate 26.

The height of the outward protruding annular buckle 31 at the outer side of the top sleeve opening of the perfume shoulder sleeve 3 is 0.25mm.

The elevation groove 121 has a depth 7 mm greater than the thickness of the annular barrier 171.

The head end of the sprue bush 16 is connected with the tail end of the core-pulling insert 17 in a buckling manner, the end part of the head end of the sprue bush 16 is outwards expanded to form a conical end, the tail end of the core-pulling insert 17 is provided with a conical hole with a small opening and a large bottom, and the conical end is buckled in the conical hole.

The working principle and the use flow of the utility model are that during injection molding, the front mold component 1 and the rear mold component 2 are tightly pressed, the annular spring glue 13 is also tightly pressed in the annular groove 18, during mold opening, the rear mold component 2 moves backwards, in the front mold component 1, the falling plate 14 and the front mold plate 12 are separated under the action of the reversion state of the annular spring glue 13, but the connection between the sprue bush 16 and the core-pulling insert 17 is unchanged, namely, the driving buckling position arranged at the sprue bush 16 pulls the water gap to keep motionless, the insert driving connection buckling position at the water gap pulls the core-pulling insert 17 to keep motionless, at the moment, the front mold plate 12, the front mold core 11 and the like move in the direction far away from the rear mold, so that the core-pulling insert 17 breaks away from the product, the product deformation space is formed, and finally the buckling position of the product breaks away from the front mold core 11, and the product can be taken out.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The front mold assembly comprises a front mold core, a rear mold assembly, a front mold assembly and a rear mold assembly, wherein the front mold assembly and the rear mold assembly are together injection molded to produce the perfume shoulder sleeve, and an annular buckle protruding outwards is arranged at the outer side of a top sleeve opening of the perfume shoulder sleeve;

The front mold plate is characterized in that the bottom end of the front mold plate is fixedly connected with the front mold core, an annular groove is formed in the top end of the front mold plate, annular spring glue is arranged in the annular groove, the stripper plate is arranged on the top end of the front mold plate, the panel is arranged on the top end of the stripper plate, the tail end of the sprue bush is fixed with the panel, the head end of the sprue bush penetrates through the panel and the stripper plate to be connected with the tail end of the core-pulling insert, the head end of the core-pulling insert penetrates through the front mold plate and the front mold core, a product cavity is formed when the front mold core, the core-pulling insert and the rear mold core are tightly attached, an annular baffle ring is arranged on the outer side of the middle part of the core-pulling insert, and a lifting groove matched with the annular baffle ring is formed in the middle part of the front mold plate;

The bottom end of the rear mould core is fixedly connected with the rear mould plate.

2. The structure of the strong release mold for the perfume shoulder sleeve with the front mold core-pulling function according to claim 1, wherein the perfume shoulder sleeve is formed during injection molding of a product cavity, a sleeve opening at the top of the perfume shoulder sleeve is hollow and tubular, and a conical ring table is arranged at the bottom of the sleeve opening.

3. The structure of the strong perfume shoulder sleeve release mold for the front mold core-pulling process of claim 1, wherein a plurality of guide posts and guide holes matched with the guide posts are arranged between the front mold assembly and the rear mold assembly.

4. The structure of claim 1, wherein the back mold assembly comprises a back mold core, a back mold plate, a slide block, a thimble panel, a thimble bottom plate and a bottom plate, wherein the slide block is arranged on the back mold plate and outside the back mold core, the thimble panel is arranged on the bottom side of the back mold plate, and the thimble bottom plate is arranged at the bottom of the thimble panel and connected with the bottom plate.

5. The structure of the strong release mold for the perfume shoulder sleeve with the front mold core-pulling function according to claim 1, wherein the height of the outward protruding annular buckle at the outer side of the top sleeve opening of the perfume shoulder sleeve is 0.25 millimeter.

6. The structure of the strong release mold for the perfume shoulder sleeve of the front mold with core pulling firstly according to claim 1, wherein the depth of the lifting groove is 7 mm larger than the thickness of the annular baffle ring.

7. The structure of claim 1, wherein the head end of the sprue bush is connected with the tail end of the core-pulling insert in a buckling manner, the head end of the sprue bush is outwards expanded to form a conical end, the tail end of the core-pulling insert is provided with a conical hole with a small opening and a large bottom, and the conical end is buckled in the conical hole.