CN219600380U

CN219600380U - Mould for realizing high-order stretching effect of IML (in-mold liquid) membrane

Info

Publication number: CN219600380U
Application number: CN202320255387.XU
Authority: CN
Inventors: 胡雄辉; 唐均华; 程涵; 郑月亮; 彭超
Original assignee: Dongguan Paddy Field Weiye Plastic Technology Co ltd
Current assignee: Dongguan Paddy Field Weiye Plastic Technology Co ltd
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-08-29
Anticipated expiration: 2033-02-20

Abstract

The utility model discloses a die for realizing high-order stretching effect of an IML membrane, which relates to the technical field of dies and comprises: a base; the lower die plate is fixedly connected to the upper end of the base, the lower die plate is provided with a forming cavity, a product profiling block is arranged in the forming cavity, the product profiling block forms a corner structure along the edge of the product profiling block, the corner structure comprises a low level surface, a sloping surface and a high level surface which are sequentially connected, and a raised belt is arranged along the low level surface and the sloping surface; the upper die plate is connected to the upper end of the lower die plate in a turnover way, and the upper end surface of the upper die plate is provided with a through hole corresponding to the forming cavity; the convex strip is formed along the outer edges of the low-level surface and the slope surface, so that the convex structure which is the same as the convex strip is formed after the IML membrane is plastically deformed, namely, the strength of the IML membrane in the side surface high-tensile area is increased through the arrangement of the convex strip (convex structure), the stress release of the side surface high-tensile area can be born, and the problem that the membrane is easy to deform is avoided.

Description

Mould for realizing high-order stretching effect of IML (in-mold liquid) membrane

Technical Field

The utility model relates to the technical field of dies, in particular to a die for realizing a high-position stretching effect of an IML (in-mold liquid) film.

Background

IML (InMoldingLabel) Chinese name: the in-mold insert injection molding process has the remarkable characteristics that the surface of a product produced by the IML process is a hardened transparent film, the middle is a printed pattern layer, and the back is a plastic layer, because the transparent film is covered on the printed pattern layer, in the use process, the transparent film is contacted first, the transparent film can protect the product, the wear resistance of the surface of the product is improved, the surface of the product is prevented from being scratched, meanwhile, the ink on the printed pattern layer is prevented from being scratched due to the fact that the ink is clamped in the middle, the vividness of the ink can be kept for a long time, and the color is difficult to fade.

At present, along with the improvement of the living standard of people, the appearance requirements on various living goods, in particular to products such as automobiles, household appliances and the like, are improved, so that the appearance shapes of the products are different, the requirements of different people are met, and higher requirements are set for the process of each manufacturing procedure of the products; the existing IML membrane is heated by an external ceramic heating brick or an IR lamp radiation baking tray, or heated by an in-mold ceramic heating brick or an IR lamp radiation, the membrane is instantaneously heated to 200-300 ℃ in the above way, high-pressure air is blown into the surface of the membrane by an upper die after the membrane is closed, so that the membrane is attached to a lower die, and a membrane product with a certain shape is finally obtained by stretching the lower die;

as shown in fig. 1, an IML membrane has a narrow corner and a certain slope, and in the hot-pressing high-stretching process, stress at the corner of the IML membrane cannot be released well, so that the problem that the corner of the IML membrane is easy to be sticky and deformed is caused, and the higher pursuit of IML products by people cannot be satisfied;

there is a need for an improved solution to the above-mentioned problems.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a technical scheme capable of solving the problems.

The utility model provides a mould that high-order tensile effect was realized to IML diaphragm, includes:

a base;

the lower die plate is fixedly connected to the upper end of the base, the lower die plate is provided with a forming cavity, a product profiling block is arranged in the forming cavity, the product profiling block forms a corner structure along the edge of the product profiling block, the corner structure comprises a low level surface, a sloping surface and a high level surface which are sequentially connected, and a raised belt is arranged along the low level surface and the sloping surface;

the upper die plate is connected to the upper end of the lower die plate in a turnover mode, and a through hole corresponding to the forming cavity is formed in the upper end face of the upper die plate.

As a further scheme of the utility model: the raised belt is a special-shaped structure formed by protruding around the outer edges of the low-level surface and the sloping surface.

As a further scheme of the utility model: the protruding area is including around low level face, the protruding first lug that establishes of domatic outer edge to and the protruding second lug of establishing at first lug up end, wherein, the second lug is located the vertical projection within range of first lug, and second lug and first lug shape unanimity.

As a further scheme of the utility model: the height of the raised strips was 1mm.

As a further scheme of the utility model: the lower template is provided with a plurality of guide posts fixedly connected on the periphery of the lower template in an array manner, and the upper template is provided with a plurality of guide holes arrayed on the periphery of the upper template, wherein the guide holes are in one-to-one correspondence with the guide posts.

As a further scheme of the utility model: one side of the upper template is fixedly connected with a handle.

As a further scheme of the utility model: and a hinge structure is arranged at the connecting position of the upper template and the lower template.

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

under the condition that the quality and appearance requirements of the IML membrane are not affected, a raised belt is formed along the outer edges of the low-level surface and the sloping surface in a protruding mode, so that a raised structure identical to the raised belt is formed after the IML membrane is plastically deformed, namely, the strength of the IML membrane in a high-tensile area of the side surface is increased through the arrangement of the raised belt (raised structure), a certain supporting effect is achieved, the stress of the high-tensile area of the side surface can be born, the problem that the deformation occurs due to the fact that mucous membrane is easy to occur is avoided, the problem that people pursue the IML product more is not met, and the yield of the high-pressure forming of the IML membrane is effectively improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of an IML membrane;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a schematic view of the structure of the utility model with the upper template removed;

FIG. 4 is an enlarged schematic view of the structure shown at A in FIG. 3;

fig. 5 is a schematic diagram of an improved IML membrane.

Reference numerals and names in the drawings are as follows:

1. a base; 2. a lower template; 3. a molding cavity; 4. a product profiling block; 5. a corner structure; 6. a low level surface; 7. a slope; 8. a high level surface; 9. a raised belt; 10. an upper template; 11. a through port; 12. a first bump; 13. a second bump; 14. a guide post; 15. a guide hole; 16. a handle; 17. a hinge structure.

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 fig. 1-5, in an embodiment of the present utility model, a mold for implementing high stretching effect on an IML film includes:

a base 1;

the lower die plate 2 is fixedly connected to the upper end of the base 1, the lower die plate 2 is provided with a forming cavity 3, a product profiling block 4 is arranged in the forming cavity 3, the product profiling block 4 forms a corner structure 5 along the edge of the product profiling block, the corner structure 5 comprises a low level surface 6, a slope surface 7 and a high level surface 8 which are sequentially connected, and a raised belt 9 is arranged along the low level surface 6 and the slope surface 7;

the upper template 10, the upper template 10 upset is connected in the upper end of lower bolster 2, and the through-hole 11 that corresponds shaping chamber 3 has been seted up to the up end of upper template 10.

According to the technical scheme, a base 1, a lower template 2 and an upper template 10 are sequentially arranged from bottom to top, wherein the lower template 2 is provided with a forming cavity 3, a product profiling block 4 is arranged in the forming cavity 3, the IML membrane is subjected to profiling through the forming cavity 3, the upper template 10 can compress the edge of the IML membrane, the upper template 10 is provided with a through hole 11 corresponding to the forming cavity 3 so as to avoid influencing the forming of the IML membrane, the through hole 11 is in butt joint with peripheral heating equipment to form a closed space, and the through hole 11 is communicated with a high-pressure air source of the peripheral heating equipment, so that the IML membrane is tightly attached to the product profiling block 4, and the product profiling block 4 and the forming cavity 3 are used for stretching profiling, so that the effect of plastic deformation is achieved;

because the formed IML membrane is provided with the corner structure 5, the corner structure 5 is formed by sequentially connecting a low level surface 6, a slope surface 7 and a high level surface 8, wherein the corner position of the IML membrane is mainly concentrated between the low level surface 6 and the slope surface 7 and is also used as a side surface high-stretching area of the IML membrane, and in the plastic deformation process, the concentrated side surface high-stretching area is narrow and has a certain gradient, the stretching expansion degree is larger, the stress is easy to be fragile and low, and the stress cannot be well released, so that the problem of deformation of a mucous membrane easily occurs;

in this regard, under the condition that the quality and appearance requirements of the IML membrane are not affected, a raised belt 9 is formed along the outer edges of the low-level surface 6 and the sloping surface 7 in a protruding mode, so that a raised structure identical to the raised belt 9 is formed after the IML membrane is plastically deformed, namely, the strength of the IML membrane in a side surface high-tension area is increased through the arrangement of the raised belt 9 (raised structure), a certain supporting effect is achieved, the stress of the side surface high-tension area can be released, the problem that the membrane is easily deformed due to the occurrence is avoided, the problem that people pursue the IML product more highly cannot be met is solved, and the yield of the IML membrane high-pressure forming is effectively improved.

In the embodiment of the utility model, the raised belt 9 is of a special-shaped structure formed by protruding around the outer edges of the low level surface 6 and the sloping surface 7, and the height of the raised belt 9 is 1mm;

the raised strip 9 comprises a first protruding block 12 protruding around the lower surface 6 and the outer edge of the sloping surface 7, and a second protruding block 13 protruding on the upper end surface of the first protruding block 12, wherein the second protruding block 13 is located in the vertical projection range of the first protruding block 12, and the second protruding block 13 is consistent with the first protruding block 12 in shape.

The protruding band 9 is the combination of the first protruding block 12 and the second protruding block 13, namely is the double protruding structure, makes full use of effective space, and realizes the effect of double strength, thereby further improving the yield of the IML membrane high-pressure forming.

In the embodiment of the utility model, a plurality of guide posts 14 fixedly connected on the periphery of the lower template 2 in an array manner are arranged on the lower template 2, and a plurality of guide holes 15 arranged on the periphery of the upper template 10 in an array manner are arranged on the upper template 10, wherein the guide holes 15 are in one-to-one correspondence with the guide posts 14. The upper die plate 10 and the lower die plate 2 can be precisely matched in a turnover way through the guiding matching of the guide post 14 and the guide hole 15.

In the embodiment of the present utility model, a handle 16 is fixedly connected to one side of the upper template 10. Through the arrangement of the handle 16, the production personnel can conveniently turn over the upper template 10, and the handle 16 can be made of heat-insulating materials, so that the production personnel can be conveniently protected to a certain degree.

In the embodiment of the utility model, a hinge structure 17 is arranged at the connecting position of the upper template 10 and the lower template 2. The hinge structure 17 may be a hinge.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The utility model provides a mould that high-order tensile effect was realized to IML diaphragm which characterized in that includes:

a base;

2. The die for achieving high-level stretching effect of the IML membrane according to claim 1, wherein the raised strips are of a special-shaped structure formed by being raised around the outer edges of the low-level surface and the sloping surface.

3. The die for realizing high-level stretching effect of the IML membrane according to claim 2, wherein the raised strip comprises a first bump convexly arranged around the outer edge of the low-level surface and the sloping surface, and a second bump convexly arranged on the upper end surface of the first bump, wherein the second bump is positioned in the vertical projection range of the first bump, and the second bump is consistent with the first bump in shape.

4. A die for achieving high stretching effect of IML membrane according to claim 1, wherein the height of the raised strips is 1mm.

5. The die for realizing the high-order stretching effect of the IML membrane according to claim 1, wherein a plurality of guide posts fixedly connected on the periphery of the lower die plate in an array are arranged on the lower die plate, a plurality of guide holes arranged on the periphery of the upper die plate in an array are arranged on the upper die plate, and the guide holes are in one-to-one correspondence with the guide posts.

6. The die for achieving the high-level stretching effect of the IML membrane according to claim 1, wherein a handle is fixedly connected to one side of the upper die plate.

7. The die for achieving high-level stretching effect of the IML membrane according to claim 1, wherein a hinge structure is arranged at a connecting position of the upper die plate and the lower die plate.