1. A left back door plaque processing method, get the car door body to fix its position at first, in order to assemble the subsequent part, the said left back door plaque processing method is characterized by;

the method comprises the steps of installing a door lock on a door body by using bolts, then installing a glass lifter on the door body, installing glass on the glass lifter, then installing an upper assembling assembly on the door body by using the bolts and adopting a welding mode, then installing a middle decorative plate assembly component, and installing a decorative strip assembly and an armrest assembly by using the bolts and the welding technology.

2. The method of claim 1, wherein the upper assembly is composed of a water cutting frame, an upper frame and a skin, the water cutting frame and the upper frame are welded together, glue is evenly coated on the outer portions of the water cutting frame and the upper frame, the skin is attached to the surfaces of the water cutting frame and the upper frame under the action of the glue, and the skin is sewn by needle threads.

3. The method of manufacturing a left back door trim according to claim 1, wherein the middle trim assembly is composed of a middle trim frame and a PVC assembly, wherein the outer wall of the middle trim frame is first coated with glue, and then the PVC assembly is adhered to the middle trim frame, wherein the PVC assembly is a high molecular material obtained by an addition polymerization reaction of vinyl chloride, and is a synthetic plastic polymer produced after polyethylene and polypropylene.

4. The method of manufacturing a left rear door trim according to claim 1, wherein the trim assembly is composed of a trim frame, a PUR foam cushion and a PVC assembly, the PUR foam cushion is first filled in the trim frame, and then the PVC assembly is fixedly attached to the exterior of the trim frame, the PUR foam cushion is a polymer having a repeating structural unit of urethane chain segment prepared by reacting isocyanate with polyol, and the PUR foam is a soft, hard or semi-hard PUR foam, and the foam product is a soft, hard or semi-hard PUR foam.

5. The left rear door trim processing method according to claim 1, wherein the armrest assembly comprises an armrest frame, an armrest PVC assembly, an upper PUR foam pad and a lower PUR foam pad, the coating glue is firstly coated on the armrest frame, then the upper PUR foam pad and the lower PUR foam pad are pasted on the armrest frame, and finally the armrest PVC assembly is sewed on the armrest frame.

6. The method for manufacturing a left rear door trim according to claim 1, wherein a bottom-coated pocket cover is welded and installed on the door panel body, the side cover body is welded and clamped on the door panel body by using a buckle, then the speaker and the speaker trim are installed, the sound absorbing cotton is inserted and clamped with the door panel body by using the buckle, and then an outer pull cup and an inner pull cup are fixedly installed on the inner side and the outer side of the door panel body respectively, so that the outer pull cup and the inner pull cup are matched with a door lock for use, the door is convenient to close and open, and finally a pull cup bolt cover is inserted into the door body.

7. The left rear door trim processing method according to claim 1, wherein a metal bracket is fixedly mounted to one side of the door panel body by means of a screw, so that the door panel body is mounted to the automobile by the metal bracket.

Background

The automobile door provides a vehicle access channel for drivers and passengers, isolates external interference of the automobile, relieves side impact to a certain extent and protects passengers, the automobile rear door frame is an important component of the automobile door, the processing process planning of the automobile rear door frame is always concerned by manufacturing enterprises, under the international situation that sustainable development is more and more emphasized, green manufacturing is taken as a modern manufacturing mode comprehensively considering environmental influence and resource consumption, and the automobile rear door frame is reflected in the modern manufacturing strategy of human social sustainable development. In the whole life cycle of the automobile rear door frame, the processing technology planning is a bridge for connecting design and manufacture, a plurality of feasible processing technology planning schemes exist in the actual production process of the automobile rear door frame, and the proper processing technology planning scheme can save a large amount of time and cost for manufacturing enterprises, reduce the influence of the manufacturing process on the environment and improve the competitiveness of the enterprises. Therefore, how to evaluate a plurality of feasible automobile rear door frame processing process planning schemes has important significance for improving the green color of the process planning and realizing green manufacturing.

The technical scheme evaluation of the automobile rear door frame processing technology essentially belongs to a multi-feature decision problem, the existing method needs to give reasonable importance of each feature, and the significance of the result is directly influenced, the automobile rear door frame processing technology planning has the characteristics of diversity, complexity, experience, uncertainty and the like, and a group of proper and practical importance is difficult to define, the rear door of the car comprises an outer door plate, an inner door plate, a door and window frame, a door glass guide groove, a door hinge, a door lock, door and window accessories and the like, the inner plate is provided with a glass lifter, a door lock and other accessories, and the automobile rear door has numerous parts, so that the left rear door trim processing method is provided.

Disclosure of Invention

The invention aims to provide a method for processing a left rear door trim panel, which aims to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a left rear door trim processing method comprises the steps of firstly taking a door body of a vehicle to fix the position of the door body so as to facilitate assembly of subsequent components, installing a door lock on the door body by using bolts, then installing a glass lifter on the door body, installing glass on the glass lifter, then installing an upper assembly on the door body by using bolts and adopting a welding mode, then installing a middle trim assembly component, and installing a trim assembly and a handrail assembly by using bolts and a welding technology.

Preferably, the upper assembly comprises a water cutting support, an upper framework and a skin, the water cutting support and the upper framework are welded together, glue is evenly coated outside the water cutting support and the upper framework, the skin is attached to the surfaces of the water cutting support and the upper framework under the action of the glue, and the skin is sewn by needles and threads.

Preferably, the middle decorative plate assembly consists of a middle decorative plate framework and a PVC assembly, glue is coated on the outer wall of the middle decorative plate framework, then the PVC assembly is adhered to the middle decorative plate framework, the PVC assembly is a high polymer material obtained by vinyl chloride through addition polymerization reaction, and is a synthetic plastic polymer produced after polyethylene and polypropylene.

Preferably, the decoration strip assembly consists of a decoration strip framework, a PUR foaming pad and a PVC assembly, the PUR foaming pad is filled on the decoration strip framework firstly, then the PVC assembly is fixedly adhered to the exterior of the decoration strip framework, the PUR foaming pad is a polymer which is prepared by reacting isocyanate and polyalcohol and has repeated structural units of urethane chain segments, and the PUR foam plastic is soft, hard and semi-hard, and the foam product is soft, hard and semi-hard PUR foam plastic.

Preferably, the handrail assembly comprises a handrail framework, a handrail PVC assembly, an upper PUR foaming pad and a lower PUR foaming pad, coating glue is firstly coated on the handrail framework, then the upper PUR foaming pad and the lower PUR foaming pad are pasted on the handrail framework, and finally the handrail PVC assembly is sewn on the handrail framework.

Preferably, the bottom coating bag plate cover is welded and installed on the door plate body, then the side cover body is welded and clamped on the door plate body through the buckle, then the loudspeaker and the loudspeaker decoration strip are installed, the sound absorbing cotton is inserted into the buckle and clamped with the door plate body, then the outer pull cup and the inner pull cup are fixedly installed on the inner side and the outer side of the door plate body respectively, the outer pull cup and the inner pull cup are matched with a door lock for use, the door is convenient to close and open, and finally the pull cup bolt cover is inserted into the door body.

Preferably, one side of the door panel body is fixedly provided with a metal bracket by using a screw, so that the door panel body is arranged on the automobile under the action of the metal bracket.

The invention has the technical effects and advantages that:

according to the automobile door trim installation method, the automobile door lock, the upper installation assembly, the middle trim plate assembly, the armrest assembly, the trim strip assembly, the map pocket cover, the side cover plate body, the metal bracket and other installation steps and methods are described by utilizing the installation mode of the automobile door body, so that the automobile left rear door trim is convenient to install and process.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a method for processing a left rear door trim, which comprises the steps of firstly taking a door body of a vehicle to fix the position of the door body so as to assemble subsequent components, installing a door lock on the door body by using bolts, then installing a glass lifter on the door body, installing glass on the glass lifter, then installing an upper assembly on the door body by using bolts and adopting a welding mode, then installing a middle trim assembly component, and installing a trim assembly and a handrail assembly by using bolts and a welding technology.

The upper assembly comprises a water cutting support, an upper framework and a skin, wherein the water cutting support and the upper framework are welded together, glue is uniformly coated outside the water cutting support and the upper framework, the skin is adhered to the surfaces of the water cutting support and the upper framework under the action of the glue, and the skin is formed by sewing needles and threads.

The middle decorative plate assembly is composed of a middle decorative plate framework and a PVC assembly, glue is firstly smeared on the outer wall of the middle decorative plate framework, then the PVC assembly is pasted on the middle decorative plate framework, the PVC assembly is a high polymer material obtained by vinyl chloride through addition polymerization reaction, and is a synthetic plastic polymer produced after polyethylene and polypropylene.

The decorative strip assembly comprises a decorative strip framework, a PUR foaming pad and a PVC assembly, wherein the PUR foaming pad is filled on the decorative strip framework, then the PVC assembly is fixedly adhered to the exterior of the decorative strip framework, the PUR foaming pad is a polymer which is prepared by reacting isocyanate and polyol and has a repeated structural unit of a carbamate chain segment, and the PUR foam plastic is soft, hard and semi-hard, and the foam product is soft, hard and semi-hard PUR foam plastic.

The handrail assembly comprises a handrail framework, a handrail PVC assembly, an upper PUR foaming pad and a lower PUR foaming pad, coating glue is firstly coated on the handrail framework, then the upper PUR foaming pad and the lower PUR foaming pad are pasted on the handrail framework, and finally the handrail PVC assembly is sewn on the handrail framework.

The bottom coating bag plate cover is welded and installed on the door plate body, then the side cover body is welded and clamped on the door plate body through the buckles, then the loudspeaker and the loudspeaker decoration strips are installed, the sound absorbing cotton is inserted into the clamping connection with the door plate body through the buckles, then the outer pull cup and the inner pull cup are fixedly installed on the inner side and the outer side of the door plate body respectively, the outer pull cup and the inner pull cup are matched with a door lock for use, the door is convenient to close and open, and finally the pull cup bolt cover is inserted into the door body.

One side of the door panel body is fixedly provided with the metal support by utilizing a screw, so that the door panel body is arranged on the automobile under the action of the metal support.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.