CN217621834U

CN217621834U - Diaphragm injection mold with transparent surface and good visual effect

Info

Publication number: CN217621834U
Application number: CN202221586992.7U
Authority: CN
Inventors: 曾满满; 简振华
Original assignee: Aizhuo Intelligent Technology Changzhou Co ltd
Current assignee: Aizhuo Intelligent Technology Changzhou Co ltd
Priority date: 2022-06-23
Filing date: 2022-06-23
Publication date: 2022-10-21
Anticipated expiration: 2032-06-23

Abstract

The utility model provides a transparent visual effect's in surface diaphragm injection mold good, including first portion of moulding plastics and the second portion of moulding plastics, first portion of moulding plastics includes upper die body and lower die body, be provided with the shaping concave part in the bottom of upper die body, be provided with the shaping convex part at the top of lower die body, when upper die body and lower die body are harmonious, form into first molding cavity between shaping concave part and the shaping convex part, be provided with the discharge opening on upper die body, be provided with down the discharge opening on lower die body, go up the discharge opening, lower discharge opening is linked together with first molding cavity, the second portion of moulding plastics includes upper die base and die holder, be provided with the shaping arch in the bottom of upper die base, be provided with the shaping recess at the top of lower die base, when upper die base and die holder are harmonious, form into second molding cavity between shaping arch and the shaping recess, be provided with discharging hole on the lower die holder, discharging hole is linked together with second molding cavity. The utility model has the advantages of: realize the positive and back injection moulding of diaphragm, machining efficiency is high.

Description

Diaphragm injection mold with transparent surface and good visual effect

Technical Field

The utility model relates to an injection mold makes technical field, especially indicates a diaphragm injection mold that transparent visual effect in surface is good.

Background

The present chinese utility model patent with application number CN202120441461.8 entitled "a decorative membrane for inlay injection molding in mold" discloses a decorative membrane for inlay injection molding in mold, which comprises in sequence: a first layer: a patterned layer; a second layer: a glue layer; and a third layer: a thermoplastic film; a fourth layer: injecting a plastic layer; compounding the PET or OPP film printed with the pattern layer on a thermoplastic plastic film through an adhesive layer, adhering the pattern layer of the PET or OPP film with the thermoplastic plastic film, and peeling off the PET or OPP film to transfer and adhere the pattern layer to one surface of the thermoplastic plastic film; then the plastic film is placed into a die cavity of an injection molding machine, and the injection molding material layer is embedded and injection molded in the die, so that the injection molding material layer is combined on the other surface of the thermoplastic plastic membrane. The utility model discloses a when annotating the direct injection moulding product that forms of plastic layer, firmly combined the pattern layer promptly, increased injection moulding product's diversification and pleasing to the eye. However, the production of the pattern layer of the film requires peeling off the PET or OPP film, which is cumbersome and inefficient, and therefore the structure of the mold for producing the film needs to be further improved.

Disclosure of Invention

The utility model aims to solve the technical problem that a diaphragm injection mold that realizes that the diaphragm openly and back injection moulding, the transparent visual effect in surface that finish is good is provided to above-mentioned prior art current situation.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: this transparent visual effect's in surface diaphragm injection mold, its characterized in that: the diaphragm injection molding device comprises a first injection molding part and a second injection molding part, wherein the first injection molding part can be used for injection molding of a diaphragm and can be used for injection molding of a film coating layer on the surface of the diaphragm, the second injection molding part can be used for injection molding of a transparent layer on the other surface of the diaphragm, the first injection molding part comprises an upper die body and a lower die body which can be separated and combined, a molding concave part is arranged at the bottom of the upper die body, a molding convex part is arranged at the top of the lower die body, when the upper die body and the lower die body are combined, a first molding cavity is formed between the molding concave part and the molding convex part, an upper discharge hole for the film coating layer raw material is arranged on the upper die body, a lower discharge hole for the film coating raw material is arranged on the lower die body, the upper discharge hole and the lower discharge hole are communicated with the first molding cavity, the second injection molding part comprises an upper die base and a lower die base which can be separated and combined, a molding bulge is arranged at the bottom of the upper die base, a molding groove is arranged at the top of the lower die base, and a molding groove is arranged on the transparent layer, and a second molding cavity is communicated with the discharge hole for the transparent layer.

As a modification, a limit protrusion capable of contacting the bottom of the upper mold body to control the molding thickness of the diaphragm may be preferably provided on the top of the molding protrusion.

In a further improvement, the limit convex part can be preferably connected with a driving mechanism penetrating through the lower die body.

In a further improvement, a connecting groove may be preferably provided at the top of the molding protrusion, and the limit protrusion is disposed in the connecting groove.

As a modification, a molding piece having a smooth surface may be preferably detachably provided on the surface of the molding protrusion.

In a further improvement, connecting concave parts can be preferably distributed on the surface of the forming convex part, and inserting keys which can be inserted into the corresponding connecting concave parts are distributed on the bottom surface of the forming sheet.

As a refinement, the lower mold body may preferably consist of a left mold block, a middle mold block and a right mold block.

In a further improvement, a limit bump which can push against the bottom of the upper die holder to control the forming thickness of the transparent layer can be preferably arranged on the bottom surface of the forming groove.

In a further improvement, the limiting convex block can be preferably connected with a second driving mechanism penetrating through the lower die base, a limiting groove is formed in the bottom surface of the forming groove, and the limiting convex block is arranged in the limiting groove.

In a further development, a profiled sheet with a smooth surface can preferably be detachably arranged on the inner wall of the profiled groove.

Compared with the prior art, the utility model has the advantages of: the diaphragm and the black material on the back of the diaphragm are subjected to injection molding through the first injection molding part, and then the injection-molded film covering structure is placed in the second injection molding part to manufacture the transparent layer on the surface, so that the three-layer diaphragm with a crystal effect is manufactured, the injection molding of the front and the back of the diaphragm is realized, the application is convenient, the processing operation is simple when the diaphragm is used, and the processing efficiency is high; the thickness of the diaphragm can be adjusted according to the needs, the adaptability is strong, the application range is wide, and a three-layer diaphragm structure meeting the processing requirements can be manufactured.

Drawings

FIG. 1 is a perspective view of a first injection molding part in an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of the injection-molded related structure of FIG. 1;

FIG. 3 is an exploded view of the structure of FIG. 1;

FIG. 4 is a further exploded view of FIG. 3;

FIG. 5 is a further exploded view of the lower mold body of FIG. 4 with the molding plate and the stop tab removed;

FIG. 6 is a perspective view of the upper mold body of FIG. 4 at another angle;

FIG. 7 is a perspective view of a second injection molding part in an embodiment of the present invention;

FIG. 8 is a schematic cross-sectional view of the injection-molded related structure of FIG. 7;

FIG. 9 is an exploded view of the structure of FIG. 7;

FIG. 10 is a further exploded view of the structure of FIG. 9;

FIG. 11 is a perspective view of the upper die holder of FIG. 10 at another angle;

fig. 12 is a schematic structural diagram of a membrane manufactured after injection molding according to an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 12, the film injection mold with a transparent surface and a good visual effect in this embodiment includes a first injection molding part 1 capable of injecting a film 3 and injecting a coating layer 31 on a surface of the film 3, and a second injection molding part 2 capable of injecting a transparent layer 32 on another surface of the film 3, where the first injection molding part 1 includes an upper mold 11 and a lower mold 12 that can be separated and combined with each other, a molding concave part 111 is provided at a bottom of the upper mold 11, a molding convex part 121 is provided at a top of the lower mold 12, when the upper mold 11 and the lower mold 12 are combined, a first molding cavity 13 is formed between the molding concave part 111 and the molding convex part 121, an upper discharge hole 112 for a coating layer raw material is provided on the upper mold 11, a lower discharge hole 122 for a film raw material is provided on the lower mold 12, the upper discharge hole 112 and the lower discharge hole 122 are both communicated with the first molding cavity 13, the second injection molding part 2 includes an upper mold 21 and a lower mold 22 that can be separated and combined with each other, a molding protrusion 211 is provided at a bottom of the upper mold 21, a molding protrusion 221 and a lower mold 22 are communicated with a molding groove 23, and a second molding through hole 222 is provided between the upper mold 22.

The top of the molding convex part 121 is provided with a limit convex part 14 which can contact the bottom of the upper mold body 11 to control the molding thickness of the membrane. The limit convex part 14 is connected with a driving mechanism penetrating through the lower die body 12. The specific structure of the driving mechanism belongs to the prior art, and therefore, the detailed description is not provided. A coupling groove is provided at the top of the molding protrusion 121, and the limit protrusion 14 is disposed in the coupling groove. A molding piece 15 having a smooth surface is detachably provided on the surface of the molding protrusion 121. The surface of the forming convex part 121 is distributed with connecting concave parts, and the bottom surface of the forming sheet 15 is distributed with inserting keys which can be inserted into the corresponding connecting concave parts. The lower mold body 12 is composed of a left mold block 123, a middle mold block, and a right mold block 124.

The bottom surface of the molding groove 221 is provided with a limit bump 24 which can contact the bottom of the upper die holder 21 to control the molding thickness of the transparent layer. The limiting bump 24 is connected with a second driving mechanism penetrating through the lower die holder 22, a limiting groove is formed in the bottom surface of the forming groove 221, and the limiting bump 24 is arranged in the limiting groove. The inner wall of the molding groove 221 is detachably provided with a molding sheet 25 having a smooth surface. The specific structure of the second driving mechanism belongs to the prior art, and therefore, the detailed description is omitted.

The finally prepared diaphragm has three layers, wherein the middle layer is a diaphragm 3 with the thickness of 0.5mm, the bottom surface of the diaphragm is a film coating layer 31 made of black materials with the thickness of 1.5mm, the top surface of the diaphragm is a transparent layer made of transparent materials with the thickness of 2mm, and the crystal effect on the surface is achieved. The membrane 3, the black material and the transparent material are all known materials and will not be described in detail.

The working principle is as follows: performing primary injection molding on the first injection molding part, injecting black materials on the back of the diaphragm, and performing injection molding on the diaphragm together to obtain a film-coated product; and placing the film-coated product in a second injection molding part for secondary injection molding, and injecting a transparent material on the surface of the film-coated product to realize the crystal effect on the surface of the diaphragm. And taking out and turning over after injection molding to obtain the required three-layer membrane.

Claims

1. The utility model provides a transparent visual effect's in surface diaphragm injection mold which characterized in that: the film laminating and injection molding device comprises a first injection molding part (1) and a second injection molding part (2), wherein the first injection molding part (1) can be used for injection molding of a film laminating layer (31) on the surface of a film (3) and the second injection molding part (2) can be used for injection molding of a transparent layer (32) on the other surface of the film (3), the first injection molding part (1) comprises an upper mold body (11) and a lower mold body (12) which can be separated and combined with each other, a molding concave part (111) is arranged at the bottom of the upper mold body (11), a molding convex part (121) is arranged at the top of the lower mold body (12), when the upper mold body (11) and the lower mold body (12) are combined, a first molding cavity (13) is formed between the molding concave part (111) and the molding convex part (121), an upper discharge hole (112) for laminating layer raw materials is arranged on the upper mold body (11), a lower discharge hole (122) for film raw materials is arranged on the lower mold body (12), the upper mold hole (112) and the lower discharge hole (122) for the film raw materials are communicated with the first molding cavity (13), the second injection molding part (2) comprises an upper mold base (21) which can be separated and the lower mold base (21) which can be combined with each other, a lower mold base (21), a protrusion (21) which is arranged on the lower mold base (21), and a protrusion (21) which are arranged on the lower mold base (21), and a lower mold base (21), when the upper mold base (21) are combined, and a mold base (21), a second molding cavity (23) is formed between the molding protrusion (211) and the molding groove (221), a discharge through hole (222) of the transparent layer raw material is arranged on the lower die base (22), and the discharge through hole (222) is communicated with the second molding cavity (23).

2. The membrane injection mold of claim 1, wherein: and the top of the molding convex part (121) is provided with a limiting convex part (14) which can be contacted with the bottom of the upper die body (11) to control the molding thickness of the diaphragm.

3. The membrane injection mold of claim 2, wherein: the limiting convex part (14) is connected with a driving mechanism penetrating through the lower die body (12).

4. The membrane injection mold of claim 2, wherein: and a connecting groove is formed in the top of the molding convex part (121), and the limiting convex part (14) is arranged in the connecting groove.

5. The membrane injection mold of any of claims 1 to 4, wherein: a molding piece (15) with a smooth surface is detachably arranged on the surface of the molding convex part (121).

6. The membrane injection mold of claim 5, wherein: connecting concave parts are distributed on the surface of the forming convex part (121), and inserting keys which can be inserted into the corresponding connecting concave parts are distributed on the bottom surface of the forming sheet (15).

7. The membrane injection mold of any one of claims 1 to 4, wherein: the lower die body (12) consists of a left die block (123), a middle die block and a right die block (124).

8. The membrane injection mold of claim 1, wherein: and a limiting bump (24) which can be pressed against the bottom of the upper die holder (21) to control the forming thickness of the transparent layer is arranged on the bottom surface of the forming groove (221).

9. The membrane injection mold of claim 8, wherein: the limiting bump (24) is connected with a second driving mechanism penetrating through the lower die holder (22), a limiting groove is formed in the bottom surface of the forming groove (221), and the limiting bump (24) is arranged in the limiting groove.

10. The membrane injection mold of claim 8 or 9, wherein: the inner wall of the molding groove (221) is detachably provided with a molding sheet body (25) with a smooth surface.