CN218535492U

CN218535492U - Decorative supporting column and injection mold thereof

Info

Publication number: CN218535492U
Application number: CN202222010723.2U
Authority: CN
Inventors: 邹跃华
Original assignee: Jiangmen Qingyi Technology Co ltd
Current assignee: Jiangmen Qingyi Technology Co ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2023-02-28
Anticipated expiration: 2032-08-01

Abstract

The utility model discloses a decorative supporting column, which comprises a metal core, a coating layer is arranged on the surface of the metal core, and a modified pc injection layer in a wrapping shape is formed on the outer surface of the metal core by injection molding, the modified pc injection layer is coaxial with the metal core, and the two ends of the metal core are flush with the two ends of the modified pc injection layer; and one end or two ends of the modified pc injection layer are provided with thread sections. The utility model discloses can be used to have the each trade that requires to intensity to decorative, like lamp decoration, door handle etc..

Description

Decorative supporting column and injection mold thereof

Technical Field

The utility model relates to an illumination lamps and lanterns, in particular to decorate supporting post still relate to an injection mold for decorating supporting post.

Background

In the prior art, the tubular support of the lamp decoration is generally made of metal, the door handle is also made of metal, the metal has cold and hard appearance texture and metal color, the crystal glass decoration sheet of the lamp decoration main body or newly developed injection molding material decoration sheet has crystal texture and transparent color, the difference of the visual effects of the crystal glass decoration sheet and the newly developed injection molding material decoration sheet is large, so that the metal support, the crystal and plastic lamp decoration are difficult to achieve the visual integrated decoration effect, and the door handle also has the same problem.

In order to overcome the decorative defect of the metal supporting column, partial manufacturers try to replace a metal core tube with a transparent tube made of glass or acrylic materials as a decorative lamp support, but the materials do not achieve the mechanical strength similar to that of the metal tube, and when a heavier and larger decorative lamp is connected to the end part of the support, the support has the potential safety hazard of breakage and damage, so that the decorative lamp support made of glass or acrylic materials is difficult to popularize and apply in a large range; some manufacturers try to cast glass or acrylic outside the metal pipe to wrap the outer layer of the metal pipe so as to achieve the effects of ensuring the attractiveness of the support and ensuring the mechanical strength of the support, and the glass or acrylic cast outer layer generates a large amount of air holes to influence the attractiveness, so that the decoration effect cannot be achieved, and the popularization is difficult.

Disclosure of Invention

The utility model aims to solve the first technical problem of providing a decorative supporting column which can improve the decorative effect and has stronger supporting strength; the utility model discloses the second technical problem that will solve lies in: an injection mold for a decorative support post is provided.

In order to solve the first technical problem, the technical scheme is as follows:

the utility model discloses a decorative supporting column, which comprises a metal core, a coating layer is arranged on the surface of the metal core, and a modified pc injection layer in a wrapping shape is formed on the outer surface of the metal core through injection molding, the modified pc injection layer is coaxial with the metal core, and the two ends of the metal core are flush with the two ends of the modified pc injection layer; and one end or two ends of the modified pc injection layer are provided with thread sections.

Has the advantages that: the technical scheme adopts a mode of coaxially wrapping a pc injection layer on the outer surface of a metal core, so that the metal core is endowed with appearance color and texture similar to glass or plastic lamp decorations by the pc injection layer, the modified pc injection layer is combined with the metal core with a plated layer, the defect of micro bubbles generated in the injection layer in the prior art is overcome, when the metal core-shaped support is used for the lamp decorations, the visual effect difference of the support and the lamp decorations is reduced, the integrity of the support and the lamp decorations is enhanced, the decorative effect of being visually integrated with crystal and plastic lamp decorations is achieved, meanwhile, the qualified mechanical strength of the metal core-shaped support is ensured, the problem that the visual effect difference of the metal support and the crystal and plastic lamp decorations is larger in the prior art is solved, the decorative effect of being visually integrated with the crystal and the plastic lamp decorations is difficult to achieve is solved, when the metal core-shaped support is used for industries such as door handles and the like, the aesthetic feeling of decoration is also improved, the requirements on functional strength are met, and the variety of decoration is realized. The problem of among the prior art, adopt the transparent tube of pure glass material or ya keli material to replace the metal core as the scheme of lamp decoration support, support intensity is not enough is solved, the life and the factor of safety of parts such as lamp decoration whole or door handle have been improved.

As a specific scheme of the technical scheme, the method comprises the following steps: the metal core is a solid metal profile or a metal pipe. In the specific scheme, the solid metal section or the metal pipe can be bent into various shapes, so that the combined mode that the injection molding layer is wrapped on the metal support can be applied to the metal core in any shape, the design of the support seat can be more flexible and changeable, and the requirements of various shape designs can be met.

As a specific scheme of the technical scheme: the metal core is a bent pipe, and the wrapping layer of the modified pc injection molding layer is uniformly wrapped on the metal core.

As a specific scheme of the technical scheme: the metal core is a straight pipe, and the cross section of the modified pc injection molding layer is uniformly and progressively reduced to wrap the metal core.

As a further improvement of the above technical solution: the diameter of the thread section is smaller than the cross-sectional diameter of the adjacent part, thereby forming a shaft shoulder. This improvement makes the installation of the lamp decoration of supporting and threaded connection dismantle conveniently, and the lamp decoration is better with the supporting linkage segment wholeness.

As a further improvement of the above technical solution: the roughness of the plating layer reaches the mirror surface, and the modified pc injection molding layer is a transparent or semitransparent injection molding layer. The improvement enables the degree of fusion of the outer surface of the metal core and the modified pc injection layer to be optimal, and can enable the modified pc injection layer to be free of bubbles through improving the technical parameters of the production process during production and manufacturing, and be fused with the transparent pc injection layer covered by the outer layer of the metal core into a whole, so that the visual effect is better, and experiments prove that a product obtained by covering the transparent pc injection layer by the outer layer of the metal core with a mirror surface coating can adapt to a low-temperature environment, and can maintain the stability of the product even in an environment of minus 30 degrees in the north, so that the technical scheme can be applied to the street lamp in the north; the improvement is used for lamp supporting, and the injection molding layers with different transparencies can be selectively covered on the lamp supporting according to the lamp decorations with different transparencies, so that the supporting and the lamp decorations can always keep good integrity.

As a further improvement of the technical scheme: the coating has a color which is gold or green or white or purple.

The utility model discloses a solve second technical problem, adopt following technical scheme:

the utility model discloses an injection mold for decorating support post, including left template and right template, left template and right template compound die form the die cavity, the die cavity includes that n divides die cavity 40, n is greater than or equal to 1, each divides by water route 401 intercommunication between the die cavity 40, divides die cavity 40 to include type die cavity and auxiliary supporting chamber, the both ends of type die cavity link up with the auxiliary supporting chamber is coaxial respectively, type die cavity and decoration support post looks adaptation, the cross section in auxiliary supporting chamber and the cross section looks adaptation of metal core, still include supplementary fixing device in the auxiliary supporting intracavity.

Has the advantages that: the mode that this scheme adopted left template and right template compound die to mould plastics, the both ends of metal support can steadily be fixed on the auxiliary stay chamber before the compound die for the relative position of metal core supported in section mould intracavity portion is stabilized in the center pin position of lamp decoration tubulose supporting. After the die is closed, during the injection molding process, the liquid pc injection molding raw material can exhaust the air in the die cavity to the die glue inlet, so that the air in the injection molding body is effectively removed, and the pc injection molding layer supported by the lamp after being demoulded has no air bubbles, so that the lamp is more attractive and better in integrity with the lamp decoration. Solves the problems that the fusion casting outer layer of glass or acrylic generates a large amount of air holes to affect the appearance and cannot achieve the decorative effect in the prior art. And after the injection molding is finished, cutting off the metal cores in the supporting cavities at the two ends to obtain the decorative supporting column product.

Regarding the further improvement of above-mentioned technical scheme: the auxiliary fixing device comprises a magnet fixed in the auxiliary supporting cavity. This improvement makes the fixing effect of the auxiliary bearing cavity to the metal core-like bearing better.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a front view of a first embodiment of a decorative support post of the present invention;

FIG. 2 is a cross-sectional view of a first embodiment of a decorative support post of the present invention;

FIG. 3 is a perspective view of a second embodiment of a decorative support post of the present invention;

FIG. 4 is a cross-sectional view of a second embodiment of a decorative support post of the present invention;

FIG. 5 is an injection mold for a decorative support post of the present invention;

fig. 6 is a front view of the left template.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a metal core; 2. a pc injection molding layer; 21. a threaded segment; 22. A shaft shoulder; 31. a left template; 32. a right template; 4. a mold cavity; 41. a molding cavity; 42. an auxiliary support cavity; 421. a fixing device; 4211. a magnet is provided.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the drawings and examples of the specification.

Embodiment one of the decorative support column

Referring to fig. 1 and 2, a decorative support post comprises a metal core 1, wherein the outer surface of the metal core 1 is coated with a coating with mirror-finished roughness. The cladding material has the colour, and metal core 1 is solid metal section bar or hollow metal tubular product that can buckle into various shapes, and this embodiment metal core 1 is the straight tube, and the cladding material colour is the gold, and the even degressive parcel of modified pc layer 2 of moulding plastics is on metal core 1. The metal core is characterized by further comprising a modified pc injection molding layer 2 formed on the outer surface of the metal core 1 in a wrapping shape through injection molding, wherein the modified pc injection molding layer 2 is coaxial with the metal core 1, and two ends of the metal core 1 are flush with two ends of the modified pc injection molding layer 2; one or both ends of the modified pc injection layer 2 are provided with a threaded section 21. The modified pc injection layer 2 is a transparent injection layer. The thread segments 21 have a smaller diameter than the adjacent cross-sectional diameter to form shoulders 22.

Decorative support column embodiment two

This example is substantially the same as example 1, except that: referring to fig. 3 and 4, the metal core 1 is a bent pipe, the color of the plating layer of the embodiment is gold, and the wrapping layer of the modified pc injection molding layer 2 is uniformly wrapped on the metal core 1. The modified pc injection molded layer 2 is a translucent injection molded layer.

Injection mold embodiment I of decorative support column

Referring to fig. 5 and 6, the injection mold of the decorative support column comprises a left mold plate 31 and a right mold plate 32, the left mold plate 31 and the right mold plate 32 are assembled to form a mold cavity 4, the mold cavity 4 comprises n mold split cavities 40, n is greater than or equal to 1, the mold split cavities 40 are communicated through a water path 401, each mold split cavity 40 comprises a mold cavity 41 and an auxiliary support cavity 42, two ends of the mold cavity 41 are coaxially connected with the auxiliary support cavity 42 respectively, the mold cavity 41 is matched with the decorative support column, the cross section of the auxiliary support cavity 42 is matched with the cross section of the metal core 1, and the auxiliary support cavity 42 further comprises an auxiliary fixing device 421.

The auxiliary fixing device 421 includes a magnet 4211 fixed in the auxiliary support cavity 42.

The above embodiments do not limit the scope of the present invention, and those skilled in the art can make equivalent modifications and variations without departing from the overall concept of the present invention.

Claims

1. A decorative supporting column comprises a metal core (1) and is characterized in that a plating layer is arranged on the surface of the metal core (1), a modified pc injection molding layer (2) in a wrapping shape is formed on the outer surface of the metal core (1) through injection molding, the modified pc injection molding layer (2) is coaxial with the metal core (1), and two ends of the metal core (1) are flush with two ends of the modified pc injection molding layer (2); and a thread section (21) is arranged at one end or two ends of the modified pc injection molding layer (2).

2. A decorative support post according to claim 1, wherein: the metal core (1) is a solid metal section or a metal pipe.

3. A decorative support post according to claim 2, wherein: the metal core (1) is a bent pipe, and the wrapping layer of the modified pc injection molding layer (2) is uniformly wrapped on the metal core (1).

4. The ornamental support post according to claim 2, wherein: the metal core (1) is a straight pipe, and the cross section of the modified pc injection molding layer (2) is uniformly and progressively reduced and wrapped on the metal core (1).

5. A decorative support post according to any one of claims 1 to 4, wherein: the thread section (21) has a diameter smaller than the cross-sectional diameter of the adjacent portion, thereby forming a shoulder (22).

6. A decorative support post according to any one of claims 1 to 4, wherein: the roughness of the plating layer reaches the mirror surface, and the modified pc injection molding layer (2) is a transparent or semitransparent injection molding layer.

7. A decorative support post according to any one of claims 1 to 4, wherein: the coating has a color which is gold or green or white or violet.

8. An injection mold for decorating support columns, comprising a left template (31) and a right template (32), wherein the left template (31) and the right template (32) are assembled to form a mold cavity (4), and the injection mold is characterized in that: the die cavity (4) comprises n sub-die cavities (40), n is larger than or equal to 1, the sub-die cavities (40) are communicated through a water path (401), each sub-die cavity (40) comprises a die cavity (41) and an auxiliary supporting cavity (42), two ends of the die cavity (41) are coaxially connected with the auxiliary supporting cavity (42) respectively, the die cavity (41) is matched with the decoration supporting column, the cross section of the auxiliary supporting cavity (42) is matched with that of the metal core (1), and an auxiliary fixing device (421) is further arranged in the auxiliary supporting cavity (42).

9. An injection mold for a decorative support post according to claim 8, wherein: the auxiliary fixing device (421) comprises a magnet (4211) fixed in the auxiliary supporting cavity (42).