CN114131834A

CN114131834A - Assembly structure of integrated flocking belt in plastic mould

Info

Publication number: CN114131834A
Application number: CN202210109531.9A
Authority: CN
Inventors: 不公告发明人
Original assignee: Qinhuangdao Fanghua Secm Machinery Co ltd
Current assignee: Qinhuangdao Fanghua Secm Machinery Co ltd
Priority date: 2022-01-29
Filing date: 2022-01-29
Publication date: 2022-03-04

Abstract

The invention relates to an assembly structure of an integrated flocking belt in a plastic mold, which comprises a core I and a core II which are buckled together, wherein a cavity is formed between the core I and the core II, the core I is connected with a vacuum joint communicated with the cavity, the core II is provided with two water path lengthening pipes, the outer ends of the water path lengthening pipes are connected with water path joints, a cooling copper pipe is arranged in the cavity between the core I and the core II, and two ends of the cooling copper pipe are respectively connected with the inner ends of the two water path lengthening pipes to form a cooling loop. The flocking belt is adsorbed on the surfaces of the cavities of the mold core I and the mold core II by vacuum, the bent and formed metal framework is arranged on the mold core I and the mold core II, and the flocking belt and the metal framework are connected together by using a sizing material, so that the whole production process of flocking of the sealing strip is completed. By integrating injection molding and rubber flocking in an injection mold, compared with the traditional rubber flocking process, the invention reduces most of working procedures, saves production cost and improves production efficiency.

Description

Assembly structure of integrated flocking belt in plastic mould

Technical Field

The invention relates to the technical field of flocking tape assembly, in particular to an assembly structure of an integrated flocking tape in a plastic mould.

Background

Rubber flocked weatherstrips take a very important position in automotive weatherstrip systems. It is commonly used in channel and beltline seals for windows and doors, and its main function is to seal and reduce wind noise.

The current common process method comprises the following steps: the method comprises the steps of firstly making a metal framework into a corresponding bent shape according to an automobile sheet metal structure, then covering the framework with rubber through an injection mold, and then flocking. The traditional flocking method comprises gluing, electrostatic flocking and curing. In the whole process, due to the problems of low density, uneven fluff and poor flocking strength caused by poor conductivity of the fluff, low fluff discharge amount, uneven thickness of the adhesive, insufficient curing degree and the like, the finished product rate is low, and the whole production process is complex and tedious and has high input cost.

Disclosure of Invention

The invention aims to solve the defects of the prior art and provides an assembly structure of a flocking belt integrated in a plastic mould.

In order to achieve the purpose, the invention adopts the following technical scheme: integrated assembly structure who plants fine hair area in plastic mould, core I and core II including the lock together, and core I and core II are together through a plurality of fix with screws, vacuole formation between core I and the core II, all be equipped with a plurality of through-holes that communicate with the cavity on core I and the core II, even have the vacuum joint with the cavity intercommunication on the core I, install two water routes extension pipe on the core II, the outside end of water route extension pipe even has water route joint, install the cooling copper pipe in the cavity between core I and the core II, the both ends of cooling copper pipe are connected with the medial extremity of two water routes extension pipe respectively, form cooling circuit.

Core I is located II tops of core, and the low periphery height in the middle of the top surface of core I and the bottom surface of core II is all, and the through-hole that communicates with the cavity is located the middle part of core I and core II, and I top surface left side of core and II bottom surfaces left sides of core all are equipped with an opening that is used for installing metal framework.

One side of II bottom surfaces of core is kept away from the water route extension pipe is equipped with No. two openings, and No. two openings department installs magnet.

One or more magnets are installed.

And a fixing plate is arranged on the core II, the end part of the cooling copper pipe is fixed on the fixing plate, and the end part of the cooling copper pipe extends out of the fixing plate and then is connected with the water path lengthening pipe.

The diameter of the through hole communicated with the cavity is 1 mm.

The invention has the beneficial effects that: the invention aims to reduce the working procedures and the cost. The flocking belt is adsorbed on the surfaces of the cavities of the core I and the core II by vacuum, the bent metal framework is installed on the core I and the core II, and the flocking belt is connected with the metal framework by using a rubber material, so that the production process of flocking of the whole sealing strip is completed. By integrating injection molding and rubber flocking in an injection mold, compared with the traditional rubber flocking process, the invention reduces most of working procedures, saves production cost and improves production efficiency.

Drawings

FIG. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

in the figure: 1-core I; 2-a vacuum joint; 3, lengthening a pipe by a waterway; 4-a waterway connector; 5, fixing a plate; 6-core II; 7-a screw; 8-a magnet; 9-cooling the copper pipe; 10-opening number one;

the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.

Detailed Description

The invention is further illustrated by the following examples in conjunction with the accompanying drawings:

as shown in fig. 1 to 2, the assembly structure of the integrated flocking belt in the plastic mold comprises a core i 1 and a core ii 6 which are buckled together, wherein the core i 1 and the core ii 6 are fixed together through a plurality of screws 7, the screws 7 are arranged around the core i 1, a cavity is formed between the core i 1 and the core ii 6, a plurality of through holes communicated with the cavity are respectively arranged on the core i 1 and the core ii 6, the diameter of the through holes communicated with the cavity is 1mm, a vacuum joint 2 communicated with the cavity is connected to the core i 1, the vacuum joint 2 is used for connecting an external air source, so that a vacuum environment is formed inside the core i 1 and the core ii 6, for example, the vacuum joint 2 is connected with an external vacuum pump, so that the cavity between the core i 1 and the core ii 6 generates negative pressure, and the flocking belt is adsorbed to the core i 1 and the core ii 6;

install two water route extension pipes 3 on core II 6, the outside end of water route extension pipe 3 even has water route joint 4, installs cooling copper pipe 9 in the cavity between core I1 and core II 6, and the both ends of cooling copper pipe 9 are connected with the medial extremity of two water route extension pipes 3 respectively, form cooling circuit, and its effect is guaranteed under operating condition, prevents the high temperature.

And a fixing plate 5 is arranged on the core II 6, the end part of the cooling copper pipe 9 is fixed on the fixing plate 5, and the end part of the cooling copper pipe 9 extends out of the fixing plate 5 and then is connected with the waterway extension pipe 3.

Core I1 is located II 6 tops of core, the equal centre low periphery height in middle of core I1's top surface and core II 6's the bottom surface, the through-hole with the cavity intercommunication is located the middle part of core I1 and core II 6, the middle part wall thickness of core I1 and core II 6 is 4mm, and core I1 top surface left side and core II 6 bottom surfaces left side all are equipped with an opening 10 that is used for installing metal framework, one side that water route extension pipe 3 was kept away from to II 6 bottom surfaces of core is equipped with the opening No. two, and magnet 8 is installed to No. two openings department, magnet 8 installs one or a plurality of, be used for utilizing the fixed metal framework of magnetic force.

The invention is arranged in a mould, when the mould works, under the action of an external air source, a vacuum environment is formed in a mold core I1 and a mold core II 6 through a vacuum joint 2, a flocking belt is adsorbed on the surfaces of the mold core I1 and the mold core II 6, a C-shaped or U-shaped metal framework is arranged on the mold core I1 and the mold core II 6, the middle part of the inner side of the metal framework is positioned at a first opening of the mold core I1 and the mold core II 6, the metal framework is fixed through a magnet 8 to prevent displacement, after the fixation is finished, the mould is closed and injected, and the injection molding and the flocking of the metal framework are synchronously finished.

The invention aims to reduce the working procedures and the cost. The flocking belt is adsorbed on the surfaces of the cavities of the mold core I1 and the mold core II 6 by vacuum, the metal framework which is formed by bending is installed on the mold core I1 and the mold core II 6, and the flocking belt is connected with the metal framework by using the rubber material, so that the production process of flocking of the whole sealing strip is completed. By integrating injection molding and rubber flocking in an injection mold, compared with the traditional rubber flocking process, the invention reduces most of working procedures, saves production cost and improves production efficiency.

The invention has been described in connection with the accompanying drawings, it is to be understood that the invention is not limited to the specific embodiments disclosed, but is intended to cover various modifications, adaptations or uses of the invention, and all such modifications and variations are within the scope of the invention.

Claims

1. The assembly structure of the flocking belt integrated in the plastic mould is characterized by comprising a core I (1) and a core II (6) which are buckled together, and core I (1) and core II (6) are together fixed through a plurality of screws (7), vacuole formation between core I (1) and core II (6), all be equipped with a plurality of through-holes that communicate with the cavity on core I (1) and core II (6), even there are vacuum joint (2) with the cavity intercommunication on core I (1), install two water route extension pipe (3) on core II (6), the outside end of water route extension pipe (3) even has water route joint (4), install cooling copper pipe (9) in the cavity between core I (1) and core II (6), the both ends of cooling copper pipe (9) are connected with the medial extremity of two water route extension pipe (3) respectively, form cooling circuit.

2. The assembly structure of the integrated flocking belt in the plastic mold according to claim 1, wherein the mold core I (1) is positioned above the mold core II (6), the top surface of the mold core I (1) and the bottom surface of the mold core II (6) are both low in middle and high in periphery, the through hole communicated with the cavity is positioned in the middle of the mold core I (1) and the mold core II (6), and the left side of the top surface of the mold core I (1) and the left side of the bottom surface of the mold core II (6) are both provided with a first opening (10) for mounting a metal framework.

3. The assembly structure of the integrated flocking belt in the plastic mold according to claim 2, wherein a second opening is provided on one side of the bottom surface of the core II (6) away from the waterway extension pipe (3), and a magnet (8) is installed at the second opening.

4. The assembly structure of the flocking belt integrated in the plastic mold according to claim 3, wherein one or several magnets (8) are installed.

5. The assembling structure of the flocking belt in the plastic mold according to claim 1, wherein the fixing plate (5) is installed on the core II (6), the end of the cooling copper pipe (9) is fixed on the fixing plate (5), and the end of the cooling copper pipe (9) extends out of the fixing plate (5) and then is connected with the water path lengthening pipe (3).

6. The assembly structure of integrated flocking tape in plastic mold according to claim 2 wherein the diameter of the through hole communicating with the cavity is 1 mm.