阅读说明：本技术 一种背部凹面且无凹凸结构的汽车外饰标牌及其制作方法 (Automobile exterior label with concave back and no concave-convex structure and manufacturing method thereof ) 是由 任建全 吕方君 张伟 于 2020-10-09 设计创作，主要内容包括：本发明属于汽车外饰件技术领域,提供了一种背部凹面且无凹凸结构的汽车外饰标牌及其制作方法,包括标牌素材体,标牌素材体的背面具有内凹面,标牌素材体的长度尺寸为20mm～300mm,内凹面深度为5mm～50mm,在标牌素材体的内凹面上具有至少一层移印图案层。本发明的优点在于直接在产品上印刷移印图案层,实现汽车标牌的图案装饰效果,既保证了标牌的外观,又简化了工序,提高了合格率,还能够稳定的控制位置度。(The invention belongs to the technical field of automobile exterior trimming parts, and provides an automobile exterior trimming label with a concave back surface and no concave-convex structure and a manufacturing method thereof. The invention has the advantages that the pattern layer is directly printed on the product, the pattern decoration effect of the automobile label is realized, the appearance of the label is ensured, the process is simplified, the qualification rate is improved, and the position degree can be stably controlled.)

1. The utility model provides a concave surface in back and no concave-convex structure's automotive exterior sign, its characterized in that includes the plain material body of sign, the back of the plain material body of sign have interior concave surface, the length and size of the plain material body of sign is 20mm ~ 300mm, interior concave surface degree of depth is 5mm ~ 50mm, has at least one deck bat printing pattern layer on the interior concave surface of the plain material body of sign.

2. The exterior automotive trim sign with a concave back and no concavo-convex structure of claim 1, wherein the sign body is a transparent light plate made of a PC or PMMA transparent material.

3. The exterior automotive trim sign with a concave back and no asperities as in claim 2, wherein the sign substrate body has a circular, oval, rectangular or square shape.

4. The exterior automotive trim sign with a concave back and no concavo-convex structure as defined in claim 1, 2 or 3, wherein the sign base material body has a transparent protective layer on a front surface thereof.

5. The manufacturing method of the automobile exterior label with the concave back and no concave-convex structure is characterized by comprising the following steps of:

step 1, firstly, carrying out injection molding on a label element body, wherein the label element body is a transparent light plate made of a PC (polycarbonate) or PMMA (polymethyl methacrylate) transparent material;

step 2, etching the decorative pattern of the transfer printing pattern layer on the transfer printing steel plate through the film, wherein the etching depth of the steel plate is 5-100 mu m;

step 3, placing the injection molded label element body on a fixing tool, and transferring the decorative patterns on the steel plate to a silica gel head through printing ink under the action of pressure by using a pad printing silica gel head;

and 4, finally, transferring the decorative pattern of the transfer printing silica gel head to the label element body under the pressure action of the transfer printing machine to form a transfer printing pattern layer.

6. The method for manufacturing the exterior automotive trim sign with the concave back and the non-concave-convex structure according to claim 5, wherein a transparent protective layer is further manufactured on the front surface of the sign body.

Technical Field

The invention belongs to the technical field of automobile exterior trimming parts, and relates to an automobile exterior trimming label with a concave back and no concave-convex structure and a manufacturing method thereof.

Background

At present, many automobile exterior signs are developed in the direction of flattening, namely, the back surface is a concave surface, flat and non-concave structure, such as a luminous sign, in order to better realize the luminous function, a plurality of structures adopting flattening are adopted, and in order to realize the pattern decoration effect on the back surface non-concave structure, the mode of IML process means is generally adopted to realize at present, the decoration effect of the pattern is realized by IML process (screen printing decoration pattern on a plane membrane, then the outline of a product is formed at high pressure, the redundant area of the edge is punched off, and finally the membrane is put into an injection molding machine to carry out insert injection molding), the structure range which can be realized by the mode is wider, but the process is complicated, the qualification rate is relatively low, and the position degree is difficult.

Disclosure of Invention

The technical problem to be solved by the invention is to provide the automobile exterior label with the concave back and no concave-convex structure aiming at the current situation of the prior art, which allows injection molding to be carried out firstly, and then a pattern layer is directly printed on an injection molding product through pad printing, so that the pattern decoration effect of the product is realized.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a concave surface in back and no concave-convex structure's automotive exterior sign, its characterized in that includes the plain material body of sign, the back of the plain material body of sign have interior concave surface, the length and size of the plain material body of sign is 20mm ~ 300mm, interior concave surface degree of depth is 5mm ~ 50mm, has at least one deck bat printing pattern layer on the interior concave surface of the plain material body of sign.

In the above automobile exterior sign with a concave back and no concave-convex structure, the sign body is a transparent plate made of a PC or PMMA transparent material.

In the above automobile exterior trimming label with a concave back and no concave-convex structure, the label material body is in a circular, oval, rectangular or square shape.

In the above-mentioned automobile exterior signboard with a concave back and no concavo-convex structure, the front surface of the signboard raw material body has a transparent protective layer.

The manufacturing method of the automobile exterior label with the concave back and no concave-convex structure is characterized by comprising the following steps of:

step 1, firstly, carrying out injection molding on a label element body, wherein the label element body is a transparent light plate made of a PC (polycarbonate) or PMMA (polymethyl methacrylate) transparent material;

step 2, etching the decorative pattern of the transfer printing pattern layer on the transfer printing steel plate through the film, wherein the etching depth of the steel plate is 5-100 mu m;

step 3, placing the injection molded label element body on a fixing tool, and transferring the decorative patterns on the steel plate to a silica gel head through printing ink under the action of pressure by using a pad printing silica gel head;

and 4, finally, transferring the decorative pattern of the transfer printing silica gel head to the label element body under the pressure action of the transfer printing machine to form a transfer printing pattern layer.

In the method for manufacturing the automobile exterior decorative label with the concave back and no concave-convex structure, the transparent protective layer is further manufactured on the front surface of the label element body.

Compared with the prior art, the invention has the advantages that the pattern layer is directly printed on the product, the pattern decoration effect of the automobile label is realized, the appearance of the label is ensured, the process is simplified, the qualification rate is improved, and the position degree can be stably controlled.

Drawings

FIG. 1 is a schematic diagram of the overall dimensions and structure of the sign substrate of the present exterior automotive sign with a concave back and no concavo-convex structure;

fig. 2 is an exploded view of the exterior automotive sign with a concave back and no concave-convex structure.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting to the scope of the present invention.

In the figure, a tag element body 100; an inner concave surface 200; a transparent protective layer 300; pad printing the pattern layer 400; a length dimension L; and a depth H.

As shown in fig. 1 and 2, the exterior automotive trim sign with a concave back surface and no concave-convex structure comprises a sign base material body 100, wherein the back surface of the sign base material body 100 is provided with an inner concave surface 200, and the sign base material body is flat and has no concave-convex structure, so that the length dimension L of the sign base material body 100 is 20mm to 300mm, the depth H of the inner concave surface 200 is 5mm to 50mm, namely, the lowest point to the highest point of the sign base material body 100, the sign base material body 100 is circular, oval, rectangular or square, and can be processed into a corresponding shape according to the sign shape, so that the pattern is displayed on the sign base material body 100, the sign base material body 100 is a transparent light plate made of a PC or PMMA transparent material, the front surface of the sign base material body 100 is provided with a transparent protective layer 300, and the inner concave surface 200 of the sign base material body 100 is provided with at least one transfer printing pattern layer 400, the transparent protective layer 300 may be selectively added or not according to the material condition of the signage element body 100, for example, when the signage element body 100 is made of PMMA, the transparent protective layer 300 may be selected, and the pad printing pattern layer 400 may be printed in 1 or 2 layers according to actual requirements.

The manufacturing process of the product is as follows: 1. firstly, performing injection molding on a label element body 100, wherein the label element body 100 is a transparent light plate made of a PC or PMMA transparent material; the decorative pattern of the transfer printing pattern layer 400 is etched on the transfer printing steel plate through the film, and the etching depth of the steel plate is 5-100 mu m; then placing the injection molded label element body 100 on a fixing tool, and transferring the decorative patterns on the steel plate to a silica gel head through printing ink under the action of pressure by a pad printing silica gel head; finally, the decorative patterns of the transfer printing silica gel head are transferred to the label element body 100 under the pressure action of the transfer printing machine to form a transfer printing pattern layer 400, and a transparent protective layer 300 can be additionally manufactured on the front surface of the label element body 100 according to the material requirement of the label element body 100, so that the pattern decorative effect of the automobile label is realized, the appearance of the label is ensured, the process is simplified, the qualification rate is improved, and the position degree can be stably controlled.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the described embodiments may be made by those skilled in the art without departing from the scope and spirit of the invention as defined by the accompanying claims.