TW201410431A - Combination method between different materials and combination assembly thereof - Google Patents

Abstract

The present invention is related to a combination method between different materials and combination assembly thereof. During the plastic molding process, the first step is to put a metal part in to a mold, and displace a fixture on to an external surface of the metal part. Further, a portion of the fixture is attached on the metal part's covering surface. Then, inject the melted plastic into the mold to coat the metal part and the fixture. After cooling the melted plastic and removing the fixture, a slot is manufactured between the plastic and the covering surface of the metal part.

Description

Method for combining heterogeneous members and heterogeneous bonding members thereof

The invention relates to a method for bonding components, in particular to a method for bonding heterogeneous members formed by melting a plastic and a metal member in a mold, and a heterogeneous bonding member.

The appearance treatment method of the product is separately processed or molded separately by plastic, metal, or other materials, or by spraying to simulate another material effect, or various materials are integrally formed, but the above-mentioned methods are all combined interfaces of different materials. The position produces uneven burrs, which cause defects in the surface of the product, which is not aesthetically pleasing to the consumer, thereby reducing the consumer's willingness to purchase.

Fig. 8 is a schematic view showing a conventional heterostructure member bonding structure, and Fig. 9 is a schematic perspective view showing a conventional heterogeneous member. It can be clearly seen from Figs. 8 and 9 that the two heterogeneous materials, that is, the plastic member 500 and the metal member 510 are formed by mutual contact and bonding, and there is no structure between the two materials. Any gap, but considering the material properties of the plastic material, after the plastic member 500 is melted and ejected to the metal member 510, the plastic member 500 is slightly reduced in size during cooling molding, and thus will be produced as shown in FIG. The plastic burrs 620 are shown to seriously damage the appearance of the product.

FIG. 10 is a schematic view showing another method of combining the conventional heterogeneous members. As shown in the figure, the fixed-type plastic member 700 and the metal member 710 are directly attached, except that the gap 780 cannot be closely attached. In addition, there are doubts that are easy to fall off, resulting in poor quality of the product.

Therefore, in the production process, an improved method of combining heterogeneous components is required, which makes the surface of the product more flat and beautiful, and is not easy to fall off, thereby increasing sales.

In view of this, the present invention provides a method for combining heterogeneous members and a heterogeneous member structure, and the design of the processed structure achieves the characteristics of different material effects of the overall product, and achieves the purpose of eliminating burrs.

The invention discloses a method for bonding a heterogeneous member, comprising the steps of: first placing a metal part in a mold, and placing the processed part on a design surface of the metal part, and attaching the processed part to the covering surface of the metal part Then, the molten plastic material is poured into the mold, and the metal piece and the processed part are covered, and finally the molten plastic material is cooled to form a plastic part, and the processed part is removed, so that a groove is formed between the covering surface of the metal piece and the plastic part. .

In the above method for bonding a heterostructure according to the present invention, the step of placing the workpiece on the outer surface of the metal member further comprises: forming a fixing portion on the metal member On the design surface, the shape of the fixing portion is matched with the workpiece, and then the workpiece is placed on the fixing portion.

In the above method of bonding a heterostructure member according to the present invention, the design surface and the cladding surface are disposed in a mutually perpendicular relationship.

In the above method of bonding a heterostructure member of the present invention, the workpiece is made of a metal material or a ceramic material.

In the above method for bonding a heterostructure member according to the present invention, in the step of pouring the molten plastic material into the mold and covering the metal member and the workpiece, the molten plastic material is coated on one of the joint portions of the metal member.

The invention further discloses a heterogeneous member comprising a metal member, a plastic member and a slot, wherein the metal member has a design surface and a covering surface, the plastic member is coated on the metal member, and the slot is disposed on the metal member. Between the covering surface of the metal piece and the plastic part.

In the above heterogeneous member of the present invention, the appearance surface and the cladding surface are perpendicular to each other.

In the above heterogeneous member of the present invention, the metal member further has a joint portion, and the plastic member covers the joint portion.

In the above heterogeneous member of the present invention, the metal member has a fixing portion.

The invention adopts the design of the processing structure to generate a joint at the joint of the heterogeneous components Slots, in addition to the characteristics of the overall product to reflect the different material effects, can achieve the purpose of eliminating the burrs.

The features, implementations, and utilities of the present invention are described in detail below with reference to the drawings.

The technical terms of the following descriptions refer to the idioms in the technical field, and some of the terms are explained or defined in the specification, and the explanation of the terms is based on the description or definition of the specification. In addition, the terms "upper", "lower", "to", etc., as used in this specification, may be included as "on" or "directly" in the context of an object or reference. , "下下", and directly or indirectly "in" something or a reference object, the so-called "indirect" means that there is still an intermediate or physical space; when referring to "proximity", "between" and other terms When the implementation is possible, the meaning may include other intermediates or spaces between two objects or two reference objects, and there is no other intermediate or space; when referring to terms such as "connection" and "coupling" Where the implementation is possible, the meaning may include that the two objects are joined together directly or indirectly. The steps of the present invention can be performed by human operation or various processing tools, and the processing mode of any form is not limited.

Furthermore, the following is a method for combining heterostructures and their heterostructures. The technical or principle that is known in the art, if it does not involve the technical features of the present invention, will not be described again. In addition, the shapes, dimensions, proportions, and the like of the elements shown in the drawings are merely illustrative, and are intended to be used by those of ordinary skill in the art to understand the invention and not to limit the scope of the invention.

In addition, any of the embodiments described in the following description, even if a plurality of technical features are simultaneously disclosed, does not mean that all the technical features in any of the embodiments must be simultaneously implemented by the inventors. In other words, as long as the implementation possibilities are not affected, those skilled in the art can selectively implement some, but not all, of the technical features according to the disclosure of the present invention and according to the needs or design concepts, thereby increasing the implementation of the present invention. Time elasticity.

Please refer to FIG. 1 to FIG. 3, which are flowcharts showing the steps of the structure of the heterostructure member according to the first embodiment of the present invention and the method of combining the same. As shown, the present invention comprises a plastic member 100, a metal member 110, a workpiece 120, and a cladding surface 130 on a metal member. The embodiment of the method is as follows: First, a metal member 110 is placed in a mold 199 (step S1), and a workpiece 120 is placed above the design surface 150 of the metal member 110, and a part of the workpiece 120 is attached to the method. The covering surface 130 of the metal member 110 (step S2), the workpiece 120 of the present embodiment exhibits an I-like shape.

The appearance surface 150 and the covering surface 130 of the metal member 110 of the embodiment The metal members 110 are formed in a mutually perpendicular relationship, and the metal member 110 is formed into a long rectangular shape. However, those skilled in the art can change the arrangement relationship between the design surface 150 and the cladding surface 130 of the metal member 110, and the present invention is not implemented in this embodiment. The example is limited.

Please continue to refer to FIGS. 1 to 3, and then inject a molten plastic material into the mold, and cover the metal member 110 and the workpiece 120 (step S3). The step of injecting the molten plastic material in the mold disclosed in the embodiment may be performed by injection molding, but is not limited thereto. Finally, the molten plastic material is cooled to form a plastic member 100, and the workpiece 120 is removed (step S4).

As shown in FIG. 2, the side surface of the metal member 110 is further extended with a joint portion 160 for being covered by the plastic member 100 after the molten plastic molding process, thereby forming a stable joint function for the metal member. 110 and plastic parts 100 are not easy to fall off.

Due to the volume occupied by the processing member 120, a slot 140 is formed between the covering surface 130 of the metal member 110 and the plastic member 100, and the slot 140 can combine the heterogeneous member with the burr generated in the molding method. Focusing on this, it is not exposed to the design surface 150 of the metal member 110, and the effect of beautifying the appearance is achieved.

It should be noted that the workpiece 120 disclosed in the present invention is made of metal. The material or ceramic material is made of the above materials. In addition to the structural strength of the workpiece 120, the workpiece 120 can be reused in a high temperature environment generated by the process of pouring the molten plastic material.

Fig. 4 is a schematic view showing the structure of a heterostructure member according to a second embodiment of the present invention. As shown in the figure, the processing member 220 is a plate member structure that is formed in a rectangular shape, and is disposed on the design surface 150 of the metal member 210 by the processing member 220, and encloses a portion of the metal member 210, and is manufactured by the method. After the process is completed, a slot is formed between the plastic member 200 and the metal member 210, as in the above embodiment.

Fig. 5 is a partial structural view showing a heterostructure member according to a third embodiment of the present invention, and Fig. 6 is a flow chart showing the method of the heterogeneous member bonding method according to the third embodiment of the present invention. As shown in the figure, the metal member 310 of the present embodiment reserves a concave space in the fixing portion 350 in advance, and the shape of the fixing portion 350 matches the partial shape (for example, the end surface shape) of the workpiece, so that the workpiece 320 can be The fixing portion 350 is tightly embedded on the metal member 310 (step S21), so that the processing member 320 is fixed and closely adheres to the covering surface 330 of the metal member 310, so that the processing member 320 is in the process of pouring the molten plastic material into the mold. It will not be biased by external forces, or even dumping. In the embodiment, after the heterogeneous member bonding process is completed, the processing member 320 is removed, and a slot is formed between the plastic member 300 and the metal member 310 (step S22).

Figure 7 is a schematic view showing the structure of a heterostructure member according to another aspect of the third embodiment of the present invention. As shown in the figure, the contact surface between the workpiece 420 and the plastic member 400 disclosed in the present invention is not necessary to be perpendicular to the above-mentioned embodiments, and an angle α can be appropriately adjusted according to the appearance requirements of the product, as in the embodiment. As shown in the fourth figure, the designer can adjust the angle of the α angle according to the actual manufacturing requirements, which is not limited to the embodiment, but the angle α between the workpiece 420 and the plastic member 400 is preferably an acute angle. .

Although the embodiments of the present invention are disclosed above, it is not intended to limit the present invention, and those skilled in the art, regardless of the spirit and scope of the present invention, the shapes, structures, and features described in the scope of the present application. And the number of modifications may be made, and the scope of patent protection of the present invention shall be determined by the scope of the patent application attached to the specification.

100‧‧‧Plastic parts

110‧‧‧Metal parts

120‧‧‧Processing parts

130‧‧‧Wrap surface

140‧‧‧Slots

150‧‧‧ appearance

160‧‧‧Combination

199‧‧‧Mold

200‧‧‧ plastic parts

210‧‧‧Metal parts

220‧‧‧Processed parts

300‧‧‧ plastic parts

310‧‧‧Metal parts

320‧‧‧Processing parts

330‧‧‧Wrap surface

350‧‧‧ Fixed Department

400‧‧‧Plastic parts

410‧‧‧Metal parts

420‧‧‧Processing parts

430‧‧‧Wrap surface

440‧‧‧ slot

500‧‧‧Plastic parts

510‧‧‧Metal parts

600‧‧‧Plastic parts

610‧‧‧Metal parts

620‧‧‧Plastic parts

700‧‧‧Plastic parts

710‧‧‧Metal parts

780‧‧‧ gap

‧‧‧‧ angle

Fig. 1 is a schematic view showing the structure of a heterostructure member according to a first embodiment of the present invention.

Fig. 2 is a partial enlarged view of Fig. 1.

Fig. 3 is a flow chart showing the method of the heterostructure member bonding method of the first embodiment of the present invention.

Figure 4 is a schematic view showing the structure of a heterostructure member according to a second embodiment of the present invention.

Fig. 5 is a partial structural view showing a heterostructure member according to a third embodiment of the present invention.

Figure 6 is a flow chart showing the method of the heterogeneous member bonding method of the third embodiment of the present invention.

Figure 7 is a schematic view showing the structure of a heterostructure member according to another aspect of the third embodiment of the present invention.

Figure 8 is a schematic illustration of a conventional heterostructure bonded structure.

Figure 9 is a schematic perspective view of a conventional heterogeneous member.

Figure 10 is a schematic illustration of another method of joining conventional foreign materials.

100‧‧‧Plastic parts

110‧‧‧Metal parts

120‧‧‧Processing parts

130‧‧‧Wrap surface

140‧‧‧Slots

150‧‧‧ appearance

160‧‧‧Combination

199‧‧‧Mold

Claims (9)

A method for bonding a heterogeneous member comprises the steps of: placing a metal member in a mold; placing a workpiece on a design surface of the metal member, and partially attaching the workpiece to the metal member a coating surface; injecting a molten plastic material into the mold, and coating the metal member and the workpiece; and cooling the molten plastic material to form a plastic member, and removing the workpiece, and the metal member A groove is formed between the covering surface and the plastic member. The method of combining the heterogeneous members according to claim 1, wherein the step of placing the workpiece on the design surface of the metal member further comprises: forming a fixing portion on the appearance surface of the metal member, Wherein the shape of the fixing portion is consistent with the workpiece; and the workpiece is placed on the fixing portion. In the method of joining the heterogeneous members according to Item 1, the appearance surface and the cladding surface are disposed in a mutually perpendicular relationship. The method of bonding a heterogeneous member according to claim 1, wherein the workpiece is made of a metal material or a ceramic material. The method of bonding a heterogeneous member according to claim 1, wherein the molten plastic material is coated on the metal during the step of injecting the molten plastic material into the mold and coating the metal member and the workpiece. One of the pieces. A heterogeneous bonding member comprising: a metal member having a design surface and a cladding surface; a plastic member covering the metal member; and a slot disposed on the cladding surface of the metal member Between plastic parts. The heterogeneous bonding member of claim 6, wherein the appearance surface and the cladding surface are perpendicular to each other. The heterogeneous bonding member according to Item 6, wherein the metal member further has a joint portion, and the plastic member covers the joint portion. The hetero-bonding member of claim 6, wherein the metal member has a fixing portion.