CN210680624U - Automotive roof trim strips, moulds and production systems - Google Patents

Abstract

The utility model discloses a car roof sealing trim, mould and production system, including core gold, integrated into one piece has roof section trim, front windshield section trim and runs through the first trim of roof section trim and front windshield section trim on the core gold, first trim includes the first portion that changes gradually toward front windshield section trim direction width along roof section trim. The roof section decorative strip, the front windshield section decorative strip and the first decorative strip are integrally formed on the core metal, and the first decorative strip comprises the first part which gradually changes along the width of the roof section decorative strip towards the direction of the front windshield section decorative strip, so that the utility model realizes the integration of the roof decorative strip of the automobile and the front gear side decorative strip; therefore, the development and production process flow is simplified, and the investment of a tool die, a jig checking fixture and equipment is reduced; the production efficiency is improved, and the manufacturing cost of the new sealing decorative strip is reduced.

Description

Automotive roof trim strips, moulds and production systems

technical field

The utility model relates to a sealing trim strip in the field of production and research of automobile parts, in particular to an automobile roof sealing trim strip, and also relates to a mould for an automobile roof sealing trim strip, and further relates to an automobile roof sealing trim Trim production system.

Background technique

In the prior art, the roof trim strips and the front windshield side trim strips are independent parts, and they are two trim strips with different cross-sections. , punching, injection molding, bending and other processes. The different extrusion and processing techniques of the two require the development of different tooling and mold equipment. The specific disadvantages are as follows: there are many processing procedures, more investment in tooling, molds and equipment, and the cost is high; 2. There are many processes and many positions, and the input labor cost is high.

Utility model content

The purpose of the present utility model is to provide an automobile roof sealing trim strip, which integrates two parts into one part and reduces the investment of tooling moulds, inspection tools and equipment.

Also provided is an automobile roof sealing trim strip mould, which utilizes a moving module to realize extrusion molding of the first trim strip.

Further provided is a production system for automotive roof sealing trim strips, wherein a servo drive source drives a moving module according to a trajectory, so as to realize the production of automotive roof sealing trim strips.

The solution of the utility model to solve the technical problem is as follows: a car roof sealing trim strip includes a core gold, and the core gold is integrally formed with a roof segment trim strip, a front windshield segment trim strip, and a penetrating roof segment trim strip and a front windshield. The first trim strip of the segment trim strip includes a first part whose width gradually changes along the direction of the roof segment trim strip toward the front windshield segment trim strip.

As a further improvement of the above technical solution, the first decorative strip includes a second part provided on the roof segment decorative strip, and the second part is connected with the first part.

As a further improvement of the above technical solution, the first portion includes an enlarged portion with a gradually increasing width.

As a further improvement of the above technical solution, the first part includes an enlarged part with a gradually increasing width and a reduced part with a gradually reduced width, and the enlarged part and the reduced part are arranged in a wavy shape after being alternately arranged.

As a further improvement of the above technical solution, a second decorative strip disposed at the end of the first decorative strip is also included.

A mould for automobile roof sealing trim strip, including an extrusion mould, a first cavity for forming the main body of the trim strip and a moving module moving in a straight line are arranged in the extrusion mould. A molding surface, and a molding cavity for molding the first decorative strip is formed between the molding surface and the first cavity.

As a further improvement of the above technical solution, the extrusion die includes a feed die and a forming die, the forming cavity and the first cavity are arranged in the forming die, and the feeding die is provided with a first flow that communicates with the first cavity. A channel and a second channel communicated with the molding cavity, the width of the first channel is greater than or equal to the maximum width of the molding cavity.

As a further improvement of the above technical solution, the movable module is provided with a second cavity for forming the second decorative strip, and the feed mold is provided with a third flow channel. During the movement of the movable module, the movable module is located in the When the position is closest to the first cavity, the minimum distance between the closest part of the second cavity and the first cavity is a, and when the moving module is located at the position farthest from the first cavity, the farthest distance from the second cavity is a. The maximum distance of the first cavity is b, the width of the second cavity is c, c≥b-a, and the width of the third flow channel is equal to b.

A production system for automotive roof sealing trim strips includes a servo drive source and the automotive roof sealing trim strip mold. The actuator end of the servo drive source is connected to the moving module through a connection block, and also includes an actuator end for controlling the servo drive source. Motion trajectory control system.

The beneficial effects of the utility model are as follows: the utility model is integrally formed with a roof segment trim strip, a front windshield segment trim strip and a first trim strip on the core metal, and the first trim strip includes a front windshield along the roof segment trim strip. The first part in which the width of the segment trim strip changes gradually in the direction, and the utility model realizes the combination of the car roof trim strip and the front gear side trim strip; thereby simplifying the development and production process flow, reducing the number of tooling molds and fixtures. The investment in inspection tools and equipment; the production efficiency is improved, and the manufacturing cost of the new sealing trim strip is reduced.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly describes the accompanying drawings that are used in the description of the embodiments. Obviously, the described drawings are only a part of the embodiments of the present invention, but not all of the embodiments, and those skilled in the art can also obtain other design solutions and drawings according to these drawings without creative work.

1 is a schematic structural diagram of an automobile roof sealing trim strip in an embodiment of the present invention;

Fig. 2 is the sectional view of the roof trim strip in the embodiment of the present utility model;

3 is a cross-sectional view of a front windshield trim strip in an embodiment of the present invention;

Fig. 4 is the structural representation of the molding die in the embodiment of the present utility model;

FIG. 5 is a schematic structural diagram of a moving module in an embodiment of the present invention;

Fig. 6 is the structural schematic diagram when the moving module is in the farthest position in the embodiment of the present utility model;

FIG. 7 is a schematic structural diagram of the middle moving module in the most recent position according to the embodiment of the present invention

8 is a schematic structural diagram of a production system for a vehicle roof sealing trim strip in an embodiment of the present invention.

Detailed ways

This part will describe the specific embodiments of the present invention in detail, and the preferred embodiments of the present invention are shown in the accompanying drawings. Understand each technical feature and overall technical solution of the present invention, but it should not be construed as a limitation on the protection scope of the present invention.

In the description of the present utility model, it should be understood that the orientation descriptions related to orientations, such as up, down, front, rear, left, right, etc., are based on the orientation or positional relationship shown in the accompanying drawings, only It is for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In the description of the present utility model, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, exceeding, etc. are understood as not including this number, above, below, within, etc. are understood as including this number. If it is described that the first and the second are only for the purpose of distinguishing technical features, it cannot be understood as indicating or implying relative importance, or indicating the number of the indicated technical features or the order of the indicated technical features. relation.

In the description of the present invention, unless otherwise clearly defined, words such as setting, installation, connection should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution .

Referring to FIGS. 1 to 3 , the vehicle roof sealing trim strip includes a core gold 14 . The core gold 14 is integrally formed with a roof segment trim strip 10 , a front windshield segment trim strip 11 and a roof segment trim strip 10 and a front windshield. The first trim strip 12 of the segment trim strip 11 includes a first portion 16 whose width gradually changes along the roof segment trim strip 10 toward the front windshield segment trim strip 11 . The roof segment trim 10 and the front windshield segment trim 11 are molded body trim parts. The roof segment trim strip 10 , the front windshield segment trim strip 11 and the first trim strip 12 are straight after being extruded, and the extruded piece is subsequently cut, bent and installed with the bracket 17 . The automotive roof weather strip shown in FIG. 1 is a schematic diagram of the finished product after cutting, bending and installing the bracket 17 . In the present invention, the width of the first decorative strip 12 refers to the distance from the farthest point of the first decorative strip 12 away from the core gold 14 to the core gold 14 , specifically the distance D in FIG. 2 and FIG. 3 .

A roof trim strip 10 , a front windshield trim strip 11 and a first trim strip 12 are integrally formed on the core gold 14 . The first trim strip 12 includes a width along the roof segment trim 10 toward the front windshield trim strip 11 . The gradually changed first part 16, the utility model realizes the combination of the car roof trim and the front gear side trim; thereby simplifying the development and production process flow, reducing the number of tooling molds, fixtures, inspection tools, and equipment. increased production efficiency, thereby reducing the manufacturing cost of the new sealing trim.

The first trim 12 includes a second portion 15 provided on the roof segment trim 10 , and the second portion 15 is connected to the first portion 16 . The width of the second portion 15 does not change. The first portion 16 runs through the entire front windshield trim strip 11 .

Preferably, the first part 16 and the second part 15 are directly connected.

Preferably, one end of the first portion 16 extends to the roof segment molding 10 and is connected to the second portion 15 . That is, after the first portion 16 completely covers the front windshield segment trim 11 , the first portion 16 partially covers the roof segment trim 10 .

Preferably, the first portion 16 includes an enlarged portion with a gradually increasing width. The width of the enlarged portion gradually increases along the direction of the roof trim strip 10 toward the front windshield trim strip 11 .

The first portion 16 includes an increasing portion with a gradually increasing width and a decreasing portion with a gradually decreasing width, and the increased portion and the decreased portion are arranged in a wavy shape after being alternately arranged. Connected to the second portion 15 is an enlarged portion, and the enlarged portion is followed by a reduced portion.

It also includes a second decorative strip 13 disposed at the end of the first decorative strip. The shape and size of the second molding 13 do not change. The position and size of the second decorative strip 13 provided on the second portion 15 do not change. The size of the second decorative strip 13 provided on the first part 16 does not change, and the position of the second decorative strip 13 changes with the width of the first part 16 .

As shown in FIG. 4 and FIG. 5 , the automotive roof sealing molding mold includes an extruding mold. The extrusion mold is provided with a first cavity 23 for molding the molding main body and a moving module 20 that moves in a straight line. A molding surface 21 of the movable module 20 on the side close to the first cavity 23 forms a molding cavity 25 for molding the first decorative strip 12 between the molding surface 21 and the first cavity 23 .

After the core gold 14 enters the extrusion die, the extruded material flows into the first cavity 23, and the main body of the decorative strip is extruded on the surface of the core gold 14. The moving module 20 moves along a preset trajectory. During the extrusion process, the width of the molding cavity 25 It changes along the preset track, so that the surface of the core gold 14 re-extrudes the first decorative strip 12 with the changing width. The first decorative strip 12 is in contact with the core gold 14, and the first decorative strip 12 is in contact with the main body of the decorative strip. The extruded material can be one or more of IPO and foam materials.

The extrusion die includes a feeding die and a forming die 24. The forming cavity 25 and the first cavity 23 are provided on the forming die 24. The feeding die is provided with a first flow channel communicating with the first cavity 23 and a The second flow channel communicated with the molding cavity 25 , and the width of the first flow channel is greater than or equal to the maximum width of the molding cavity 25 . During the movement of the movable module 20, the second flow channel is always communicated with the molding cavity 25, and the cross-sectional area from the second flow channel to the molding cavity 25 is reduced, which is beneficial to improve the compactness of the extruded part and reduce the probability of bubble generation.

The movable module 20 is provided with a second cavity 22 for forming the second decorative strip 13 , and the feed mold is provided with a third flow channel. During the movement of the movable module 20 , the movable module 20 is located closest to the second cavity 22 . When the first cavity 23 is located, the minimum distance between the closest part of the second cavity 22 and the first cavity 23 is a. The maximum distance from the far side to the first cavity 23 is b, the width of the second cavity 22 is c, c≧b−a, and the width of the third flow channel is equal to b, as shown in FIG. 6 and FIG. 7 . The second cavity 22 moves with the moving module 20 , and the size of the second cavity 22 is set so that the cross-section of the second cavity 22 is completely covered by the third flow channel, and the third flow channel reaches the second cavity 22 The reduction of the cross-sectional area is beneficial to improve the compactness of the extruded part and reduce the probability of air bubbles.

As shown in FIG. 8 , the production system for automotive roof sealing trim strips includes a servo drive source 30 and the above-mentioned automotive roof sealing trim strip mould. A control system 32 for controlling the motion trajectory of the execution end of the servo drive source 30 is included. The servo drive source 30 may be a servo motor or an air cylinder. The servo motor drives the connecting block 31 to move in a straight line through gears and trim strips. The execution end of the cylinder is directly connected with the connection block 31 . The movable module 20 is installed in the forming die 24 through the guide block. The moving module 20 moves along the linear guide rail of the guide block, or the moving module 20 moves linearly along the inclined wedge surface of the guide block. The control system 32 is a system compiled by PLC language, which mainly controls the relationship between the movement distance and time of the execution end of the servo drive source 30 .

In the production process of automobile roof sealing trim strip, the core gold 14 and the extruded material enter the extrusion die, the moving module 20 moves according to the track, and the extruded material passes through the first cavity 23 and the molding cavity 25. The first trim strip 12 of varying width.

The above is a specific description of the preferred embodiments of the present invention, but the invention of the present invention is not limited to the embodiments. Those skilled in the art can also make various equivalents without departing from the spirit of the present invention. Modifications or substitutions, these equivalent modifications or substitutions are all included within the scope defined by the claims of the present application.

Claims (9)

1. The car roof sealing trim strip is characterized in that: it includes a core gold, and the core gold is integrally formed with a roof segment trim strip, a front windshield segment trim strip, and a first part running through the roof segment trim strip and the front windshield segment trim strip. A decorative strip, the first decorative strip includes a first part whose width gradually changes along the direction of the roof section decorative strip toward the front windshield section decorative strip. 2 . The vehicle roof sealing trim strip according to claim 1 , wherein the first trim strip comprises a second part arranged on the roof segment trim strip, and the second part is connected with the first part. 3 . 3 . The vehicle roof weather strip according to claim 1 or 2 , wherein the first portion comprises an enlarged portion with a gradually increasing width. 4 . 4 . The automotive roof trim strip according to claim 3 , wherein the first portion comprises an enlarged portion with a gradually increasing width and a reduced portion with a gradually reduced width, and the enlarged portion and The reduced parts are wavy after staggered arrangement. 5. The vehicle roof sealing trim strip according to claim 1 or 2, further comprising a second trim strip arranged at the end of the first trim strip. 6. A mould for automobile roof sealing trim strip, which is characterized in that it includes an extrusion mould, and the extrusion mould is provided with a first cavity for forming the main body of the trim strip and a moving module that moves in a straight line, and the moving module is close to the first cavity. A molding surface on one side of the cavity, and a molding cavity for molding the first decorative strip is formed between the molding surface and the first cavity. 7 . The automotive roof sealing molding mold according to claim 6 , wherein the extrusion mold comprises a feeding mold and a forming mold, the forming cavity and the first cavity are arranged in the forming mold, and the feeding mold is provided. 8 . The material mold is provided with a first flow channel communicated with the first cavity and a second flow channel communicated with the molding cavity, and the width of the first flow channel is greater than or equal to the maximum width of the molding cavity. 8 . The automotive roof sealing molding mold according to claim 7 , wherein the movable module is provided with a second cavity for molding the second molding, and the feeding mold is provided with a third cavity. 9 . During the movement of the flow channel, when the moving module is located closest to the first cavity, the minimum distance between the closest part of the second cavity and the first cavity is a, and the moving module is located farthest from the first cavity. At the position of , the maximum distance between the farthest point of the second cavity and the first cavity is b, the width of the second cavity is c, c≥b-a, and the width of the third channel is equal to b. 9. A production system for automotive roof sealing trim strips, characterized in that it comprises a servo drive source and the automotive roof sealing trim strip mould according to any one of claims 6 to 8, and the execution end of the servo drive source is connected to the It also includes a control system for controlling the motion trajectory of the execution end of the servo drive source.

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