TWM592852U - Mold core for manufacturing curved-surface reflector - Google Patents

Abstract

A mold core for manufacturing a curved reflective sheet is used to solve the problem that the conventional reflective sheet is arranged on a curved surface and the reflected light is scattered and the brightness is insufficient. The system includes: a plurality of mold column groups, each of which is composed of a plurality of mold columns arranged side by side and aligned together, and the top of each mold column is composed of a vertex and three reflecting surfaces to form a pyramid The vertices are located on the same plane, each of the mold column groups has at least one reflecting groove, the reflection groove is surrounded by the reflecting surfaces of three adjacent mold columns, the mold column groups are combined in an array, and the number The reflecting grooves face the same direction.

Description

Mould core for manufacturing curved reflector

This creation is about making a traffic safety reflector, especially a mold core used to manufacture curved reflectors to improve the reflective efficiency of curved surfaces.

Please refer to FIG. 1, which is a conventional mold core 9, which is composed of a plurality of pin posts 91 closely arranged side by side, the tip of each pin post 91 presents a pyramid shape, making the top of the core 9 A plurality of grooves 92 are formed in a staggered arrangement on the surface, each of the grooves 92 is surrounded by the pyramidal slope of the adjacent pin 91, and metal ions are deposited on the top surface of the mold core 9 by electroforming technology. After the shaped metal material is peeled off, the shape and arrangement order of the grooves 92 of the mold core 9 can be completely copied, and it is used as a manufacturing mold of the conventional reflective sheet. The finished reflective sheet produced has the corresponding number The reflective surface structure of each groove 92, when light is incident on the reflective sheet, after the light is reflected several times on the reflective surface of each groove structure, it can generate reflected light at a uniform angle to make the conventional reflective sheet The angle and intensity of the reflected light can meet the standards set by traffic safety regulations.

With the development of the automobile industry, the shape of the car body is diverse and the streamlined body is emphasized. Therefore, the accessories such as lights and reflectors located outside the car body must be modified to the shape of the streamlined surface in accordance with the design of the car. In order to manufacture curved reflectors, the conventional mold core 9 needs to support the closely arranged needle posts 91 on the set curved surface, so that the mold core 9 is composed of the vertices of the needle posts 91 to form a curved surface distribution, wherein, Between the plurality of pin posts 91 in the high curvature region of the core 9 there is a significant height drop. Thus, each groove structure of the curved reflector made by the core 9 is located at a position where the curvature is higher The greater the magnitude of the deformation, and the reflection path of the light in the above-mentioned deformation groove structure changes, so that the brightness of the reflected light is dispersed and the angle is shifted, which causes the reflective function of the curved reflector to be weakened or even invalid at the curved part. Cannot meet the requirements and specifications of the reflective film.

In view of this, the conventional mold cores used to manufacture curved reflectors still need to be improved.

In order to solve the above-mentioned problems, the purpose of this creation is to provide a mold core for manufacturing curved reflectors, which can improve the reflection efficiency of the reflector in the curved part.

The next objective of this creation is to provide a mold core for manufacturing curved reflectors, which can be used to manufacture reflectors for various curved surfaces.

Another purpose of this creation is to provide a mold core for manufacturing curved reflectors, which can adjust the curvature change and the reflected light intensity.

The use of the quantifier "a" or "one" in the elements and components described in the full text of this creation is only for convenience and provides the usual meaning of the scope of this creation; in this creation, it should be interpreted as including one or at least one, and single The concept of also includes the plural case unless it clearly means something else.

Similar terms such as "combination", "combination", or "assembly" described in the full text of this creation mainly include the types that can be separated without damaging the components after connection, or the components cannot be separated after connection, which is common knowledge in the field It can be selected according to the material or assembly requirements of the components to be connected.

The mold core used for the manufacture of curved reflectors in this creation includes: a plurality of mold pillar groups, each of which is composed of a plurality of mold pillars arranged side by side and aligned together, and the top of each mold pillar is composed of an apex and The three reflecting surfaces form a pyramid, the vertices are located in the same plane, and each of the mold column groups has at least one reflecting groove. The reflecting groove is surrounded by the reflecting surfaces of three adjacent mold columns. The mold pillar groups are combined in an array, and the reflection grooves are oriented in the same direction.

According to this, the core of this creation for manufacturing curved reflectors, by converging several of the mold pillars into the mold pillar group, so that the reflection grooves on each mold pillar group can correspond to each of the reflections on the reflective sheet In addition, by controlling the relative height between several of the mold column groups, the curvature change on the mold core can be adjusted to produce a reflective sheet with a streamlined curved surface, which can improve the reflection efficiency of the reflective plate in the curved part, And it can increase the product types and types of reflector installation applications.

Wherein, the mold column group is composed of 6 mold columns, and 2 reflection grooves are formed. In this way, the mold core composition system can be made up of two reflecting grooves as the basic unit, which has the effect of providing an array combination method and adjusting the reflection efficiency.

Wherein, the mold column group is composed of 7 mold columns, and 3 reflection grooves are formed. In this way, the mold core composition system can be made up of three reflecting grooves as the basic unit, which has the effect of providing an array combination method and adjusting the reflection efficiency.

Wherein, the mold column group is composed of 10 mold columns, and 5 reflection grooves are formed. In this way, the mold core composition system can be composed of five reflecting grooves as the basic unit, which has the effect of providing an array combination method and adjusting the reflection efficiency.

Wherein, the mold column group is composed of 12 mold columns, and 7 reflection grooves are formed. In this way, the mold core composition system can be composed of 7 reflecting grooves as the basic unit, which has the effect of providing an array combination method and adjusting the reflection efficiency.

The mold core used for manufacturing the curved reflective sheet of the present invention may further include a base, the base has a frame, and the plurality of mold column clusters are placed in the frame. In this way, the frame system can tightly bind the several mold column groups, and has the effect of shaping the mold core.

The contour shape of the inner edge of the frame conforms to the shape and size of the manufactured retroreflective sheeting. In this way, the plurality of mold column groups can be combined into the shape of the reflective sheet, which has the effect of determining the appearance of the product.

The mold core used in the manufacture of curved reflectors may further include a jig with a curved surface, the jig faces the curved surface toward and contacts the vertices of the plurality of mold columns, and adjusts each mold column The relative height of the group. In this way, the curved surface can guide the vertices of the mold column groups to form a curved surface distribution, and has the effect of shaping the curved surface portion of the mold core.

Wherein, the area of the curved surface covers the plurality of mold column groups. In this way, the curved surface can completely copy the curved appearance of the product to the mold core, which has the effect of determining the streamline appearance of the product.

In order to make the above-mentioned and other purposes, features and advantages of this creation more obvious and understandable, the preferred embodiments of this creation are specifically described below, and in conjunction with the attached drawings, detailed descriptions are as follows:

Please refer to FIG. 2, which is a preferred embodiment of the core for creating curved reflectors, which includes a plurality of mold pillar groups 1, the plurality of mold pillar groups 1 are combined in an array, and the number The top of each mold column group 1 faces the same direction.

Please refer to FIG. 3, each of the mold column groups 1 is composed of a plurality of mold columns 11 aligned side by side and aligned together, the top of each mold column 11 has a vertex 11a and three reflecting surfaces surrounding the vertex 11a 11b, the vertex 11a and the three reflecting surfaces 11b form a pyramid, there is no difference in height between the vertices 11a on each of the mold column groups 1, and at least one reflecting groove is formed between the vertices 11a 12. The reflecting groove 12 is surrounded by the reflecting surfaces 11b of the three adjacent mold columns 11, and the angle between the three reflecting surfaces 11b is nearly vertical. In this embodiment, the mold column group 1 is It is composed of six mold columns 11 and two reflective grooves 12 are formed, but this creation is not limited to this.

Please refer to Figures 2 and 3, the core used in the creation of curved reflectors can also have a base 2, the base 2 has a frame 21, the shape of the inner edge of the frame 21 needs to conform to the manufactured The shape and size of the reflective sheet, the frame 21 is used to centrally place the plurality of mold column groups 1 so that the plurality of mold column groups 1 are parallel to each other and tightly restricted within the frame 21, and each of the mold column groups 1 The apex 11a protrudes from the base 2, and the height of each mold column group 1 relative to the frame 21 can be adjusted.

The mold core used in the creation of the curved reflector can also have a jig 3, which has a curved surface 31, which can be matched with the reflective curved surface of the manufactured retroreflective sheet, and the surface area of the curved surface 31 Preferably, it can cover the plurality of mold column groups 1 in the frame 21, and the fixture 3 is oriented with the curved surface 31 and contacts the apex 11a of the mold columns 11, which can be adjusted by the unevenness of the curved surface 31 The height difference between the several mold column groups 1.

According to the foregoing structure, the plurality of mold column groups 1 are gathered by the base 2 so that all the reflection grooves 12 of the plurality of mold column groups 1 are oriented in the same direction, and the direction may be the incident direction of light, and then the rule 3 guides the height difference between the plurality of mold column groups 1, the vertices 11a of the plurality of mold columns 11 can form a curved surface distribution, and the curved reflector made by the core of this creation has several The reflecting part corresponds to the reflecting groove 12 of each of the mold column groups 1. Since there is no difference in height between the three reflecting surfaces 11b forming the reflecting groove 12, they are almost perpendicular to each other, and each reflecting part can generate reflected light with concentrated brightness ; Relatively speaking, there is a high-low drop between the plurality of mold column groups 1, which results in that the reflective surface 11b at the junction of the plurality of mold column groups 1 cannot form an effective reflection structure, so the above-mentioned junction corresponds to the manufactured The part on the reflective sheet cannot produce concentrated reflected light.

Please refer to FIGS. 4a to 4c, which are other embodiments of the mold pillar group 1, the composition shape of each mold pillar group 1 and the number of the mold pillars 11 included therein can be adjusted to meet the manufacture of the reflective sheet Requirements, as shown in Figure 4a, the mold column group 1 is composed of seven mold columns 11 and forms three reflection grooves 12; as shown in Figure 4b, the mold column group 1 is composed of 10 The mold column 11 is composed of 5 reflecting grooves 12; as shown in FIG. 4c, the mold column group 1 is composed of 12 mold pillars 11 and 7 reflecting grooves 12 are formed. Thus, according to the production The shape, size, curvature and other production specifications of the reflective plate can be selected to combine the mold column group 1 of various styles into a mold core.

By increasing the number of the mold columns 11 of each mold column group 1, the number of the reflection grooves 12 can be increased, so that the manufactured curved reflector has more reflective parts, and the surface of the curved reflector can be improved Reflective efficiency to meet the standards stipulated by traffic safety regulations; relatively speaking, reducing the number of the mold columns 11 of each mold column group 1 can increase the ratio of the number of mold column groups 1 to the reflector area, Streamlined curved reflectors can be manufactured more easily.

To sum up, the core of this creation used to manufacture curved reflectors, by converging several of the mold pillars into the mold pillar group, the reflection grooves on each mold pillar group can be correspondingly formed into the The reflective part, by controlling the relative height between several of the mold column groups, can adjust the curvature change on the mold core to produce a reflective sheet with a streamlined curved surface, which improves the reflective efficiency of the reflective plate at the curved part , And increase the types and types of products that the reflector can be installed and applied.

Although this creation has been disclosed using the above preferred embodiments, it is not intended to limit this creation. Anyone who is familiar with this art will still make changes and modifications to the above embodiments without departing from the spirit and scope of this creation. The scope of technology protected by the creation, so the scope of protection of this creation shall be deemed as defined by the scope of the attached patent application.

﹝This creation﹞ 1: modular column group 11: Mold column 11a: Vertex 11b: reflective surface 12: Reflector 2: base 21: Frame 3: Fixture 31: Surface ﹝Practice﹞ 9: Mold core 91: Needle 92: groove

[Picture 1] A core diagram of a conventional reflector. [Figure 2] An exploded perspective view of a preferred embodiment of this creation. [Figure 3] Top view of a group of mold pillars in this preferred embodiment. [Figure 4a] The top view of the mold pillar group in another embodiment of this creation. [Figure 4b] A top view of a mold pillar group in another embodiment of this creation. [Figure 4c] The top view of the mold pillar group in another embodiment of this creation.

1: modular column group

11: Mold column

11a: Vertex

11b: reflective surface

12: Reflector

Claims (9)

A mold core for manufacturing curved reflectors, including: Several mold column groups, each of which is composed of several mold columns arranged side by side and aligned together, the top of each mold column is composed of a vertex and three reflecting surfaces to form a pyramid, and the several vertices are located at the same Each plane has at least one reflecting groove. The reflecting groove is surrounded by the reflecting surfaces of three adjacent mold pillars. The plurality of mold pillar groups are combined in an array, and the reflection grooves are oriented. The same direction. As described in item 1 of the scope of the patent application, a mold core for manufacturing a curved reflector, wherein the mold column group is composed of 6 mold columns, and 2 reflection grooves are formed. As described in item 1 of the scope of the patent application, a mold core for manufacturing a curved retroreflective sheet, wherein the mold pillar group is composed of seven mold pillars, and three reflective grooves are formed. As described in item 1 of the scope of the patent application, a mold core for manufacturing a curved retroreflective sheet, wherein the mold column group is composed of 10 mold columns, and 5 reflection grooves are formed. As described in item 1 of the scope of the patent application, a mold core for manufacturing a curved reflector, wherein the mold column group is composed of 12 mold columns, and 7 reflection grooves are formed. The mold core for manufacturing a curved reflector as described in any one of items 1 to 5 of the patent application scope further includes a base, the base has a frame, and the plurality of mold pillar clusters are placed in the frame. As described in item 6 of the scope of the patent application, a mold core for manufacturing a curved retroreflective sheet, wherein the outline shape of the inner edge of the frame conforms to the shape and size of the manufactured retroreflective sheeting. The mold core for manufacturing a curved reflector as described in any one of the items 1 to 5 of the patent application scope further includes a jig having a curved surface with the curved surface facing and contacting the The vertices of several mold columns adjust the relative height of each mold column group. As described in item 8 of the scope of the patent application, a mold core for manufacturing a curved retroreflective sheet, wherein the area of the curved surface covers the plurality of mold pillar groups.

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