CN111055437A

CN111055437A - Forming method of automobile rear door triangular window edge covering

Info

Publication number: CN111055437A
Application number: CN201911389721.5A
Authority: CN
Inventors: 李剑; 叶常青
Original assignee: Ningbo Benxiang Auto Parts Co ltd
Current assignee: Ningbo Benxiang Auto Parts Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-04-24

Abstract

The invention discloses a method for forming a triangular window wrapping edge of an automobile rear door, which comprises an injection mold internally provided with an inner framework mounting groove and a velvet belt mounting groove, and comprises the following steps: 1) preforming the inner skeleton and the velvet ribbon; 2) placing the inner frame into the inner frame mounting groove, placing the velvet ribbon into the velvet ribbon mounting groove, starting the injection mold to form the elastic body, and opening the injection mold to obtain a semi-finished triangular window wrapping edge; 3) edge wrapping and ironing the semi-finished triangular window by hot steam for 0.5-2 min; 4) and blowing the ironed semi-finished triangular window wrapping edge to a velvet belt for drying through air flow to obtain the finished triangular window wrapping edge. The problem that the velvet ribbon cannot be attached to the elastic body in a fitting manner is solved, and the high-quality triangular window wrapping edge is obtained.

Description

Forming method of automobile rear door triangular window edge covering

Technical Field

The invention relates to the field of production and processing of automobile parts, in particular to a method for forming a triangular window edge covering of an automobile rear door.

Background

The triangular window body of the automobile back door comprises triangular glass and a triangular window wrapping edge made of TPV materials, a triangular hollow area is arranged in the triangular window wrapping edge, and the triangular glass is fixed in the triangular hollow area. As shown in fig. 1, the triangular window wrapping structure to be produced by my department comprises an inner frame 01 made of PP material, an elastic body 02 made of TPV material, and a velvet ribbon 03 attached to the edge of the elastic body.

However, in the process of producing and forming the triangular window edge cover, the following problems are encountered: firstly, the triangular window edge cover has a large bending radian, and the velvet structure on the outer peripheral surface of the elastic body is also bent on a vertical surface. At the moment, the velvet belt is installed in a traditional flocking and velvet pasting mode, the obtained velvet belt cannot be attached to the elastic body in a fitting mode, and the situation that the velvet belt is warped and not attached in place exists.

The designer of the invention intensively discusses the problems, and successfully develops the forming method of the automobile rear door triangular window edge covering through long-term research and development to solve the problems in the prior art.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a method for forming the triangular window wrapping edge of the rear door of the automobile, which solves the problem that a velvet ribbon cannot be attached to an elastic body in a fitting manner, and obtains the high-quality triangular window wrapping edge.

The technical scheme adopted by the invention for solving the technical problems is as follows: the molding method of the automobile rear door triangular window wrapping edge comprises an injection mold internally provided with an inner framework mounting groove and a velvet belt mounting groove, wherein the injection mold is connected with a charging barrel, and the molding method comprises the following steps:

1) preforming the inner skeleton and the velvet ribbon;

2) placing the inner frame into the inner frame mounting groove, placing the velvet ribbon into the velvet ribbon mounting groove, starting the injection mold to form the elastic body, and opening the injection mold to obtain a semi-finished triangular window wrapping edge;

3) edge wrapping and ironing the semi-finished triangular window by hot steam for 0.5-2 min;

4) and blowing the ironed semi-finished triangular window wrapping edge to a velvet belt for drying through air flow to obtain the finished triangular window wrapping edge.

Further preferred embodiments of the present invention: the hot steam in the step 3) is water vapor.

Further preferred embodiments of the present invention: in the step 4), air flow can be formed by the fan, the blower and the air pump to act on the semi-finished triangular window wrapping edge.

Further preferred embodiments of the present invention: still include steam treatment equipment, steam treatment equipment include the base and with the upper cover of base sealing connection, can open the base through the upper cover, the base in can hold a plurality of semi-manufactured goods triangular windows.

Further preferred embodiments of the present invention: the base is internally provided with a heating device, water is introduced into the bottom of the base, and the heating device works to change the water into steam and act on the velvet ribbon of the semi-finished triangular window.

Further preferred embodiments of the present invention: TPV materials are arranged in the charging barrel.

Compared with the prior art, the elastic body has the advantages that the inner framework and the velvet belt are placed in the injection mold, and then the elastic body is formed through the injection mold, so that the velvet belt can be attached to the surface of the elastic body in a fitting mode. The semi-finished triangular window edge-wrapping obtained by the method has defects, and the fluff on the fluff belt is flattened during the injection molding process, so that the requirement of the finished triangular window edge-wrapping product cannot be met. Therefore, the invention arranges hot steam to iron the edge of the triangular window semi-finished product in the follow-up process, and realizes the recovery of the fluff on the fluff belt. And then blowing the ironed semi-finished triangular window edge covering through air flow until the velvet belt is dried, and restoring the fluffs on the velvet belt to be fluffy. The obtained finished triangular window wrapping edge meets the performance requirement, and the high-quality triangular window wrapping edge is obtained.

Drawings

The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of illustrating the preferred embodiments and therefore should not be taken as limiting the scope of the invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.

Fig. 1 is a triangle window edge covering structure.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1, the structure of the triangular window covering to be formed by the present application is shown. The molding method of the automobile rear door triangular window wrapping edge comprises an injection mold internally provided with an inner framework mounting groove and a velvet belt mounting groove, wherein the injection mold is connected with a charging barrel, and the molding method comprises the following steps:

1) preforming the inner skeleton 01 and the velvet ribbon 03;

2) placing the inner frame 01 into the inner frame mounting groove, placing the velvet ribbon 03 into the velvet ribbon mounting groove, starting an injection mold to form the elastic body 02, and opening the injection mold to obtain a semi-finished triangular window wrapping edge;

The hot steam in the step 3) is water vapor. The invention adopts water vapor as the optimization, the cost of the raw materials is low, and the water vapor can be obtained by a simple heating mode.

In the step 4), air flow can be formed by the fan, the blower and the air pump to act on the semi-finished triangular window wrapping edge.

Still include steam treatment equipment, steam treatment equipment includes the base and with the upper cover of base leakproofness connection, can open the base through the upper cover, can hold a plurality of semi-manufactured goods triangular window in the base. A heating device is arranged in the base, water is introduced into the bottom of the base, and the heating device works to change the water into steam and act on the velvet ribbon of the semi-finished triangular window.

The steam treatment equipment is preferably arranged, the semi-finished triangular window can be directly placed into the equipment, and the velvet belt of the semi-finished triangular window is ironed by continuously heating rising water vapor. Of course, other devices or products for obtaining steam for ironing the lint tape of the blank triangular window may be used, such as a hand-held steam ironing machine.

TPV material is arranged in the charging barrel.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention has been described in detail, and the principles and embodiments of the present invention have been described herein using specific examples, which are provided only to assist in understanding the present invention and the core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. the molding method of car rear door triangular window edging, it is characterized in that comprising the injection mold that is provided with inner frame installation groove, the velvet belt installation groove, described injection mold is connected with barrel, and the molding method comprises the steps:

1) Pre-formed inner skeleton and fleece belt;

2) Put the inner frame into the inner frame installation slot, put the fleece tape into the fleece tape mounting slot, start the injection mold to form the elastic body, and open the injection mold to get the semi-finished triangular window wrapping;

3) Iron the semi-finished triangular window with hot steam for 0.5min~2min;

4) The semi-finished triangular window edging completed by ironing is blown to dry the velvet belt by the air flow, and the finished triangular window edging is obtained.

2 . The molding method for wrapping the triangular window of the rear door of an automobile according to claim 1 , wherein the hot steam in the step 3) is water steam. 3 .

3. the molding method of the triangular window wrapping of automobile rear door according to claim 1, is characterized in that also comprising steam treatment equipment, and described steam treatment equipment comprises base and the upper cover that is sealingly connected with the base, through the upper cover The base can be opened, and the base can accommodate a plurality of semi-finished triangular windows.

4. The molding method for edging of a rear door triangular window of an automobile according to claim 3, wherein the base is provided with a heating device, the bottom of the base introduces water, and the heating device works to change the water into water vapor and act on the semi-finished product Velvet tape for triangular windows.

5. The molding method for wrapping the triangular window of the rear door of an automobile according to claim 1, wherein the TPV material is arranged in the barrel.

6 . The method for forming the hemming of a rear door triangular window of an automobile according to claim 1 , wherein in the step 4), a fan, a blower, and an air pump can be used to form an air flow to act on the hemming of the semi-finished triangular window. 7 .