CN216884823U

CN216884823U - Rubber vulcanization mold for roller of power driving assembly of aircraft cargo compartment

Info

Publication number: CN216884823U
Application number: CN202121119405.9U
Authority: CN
Inventors: 雷伟; 任建军; 赵永强
Original assignee: Aircraft Maintenance And Engineering Corp
Current assignee: Aircraft Maintenance And Engineering Corp
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2022-07-05
Anticipated expiration: 2031-05-24

Abstract

The utility model provides an aircraft cargo compartment power drive assembly gyro wheel rubber vulcanization mould utensil, includes mould body, upper pressure notes piece and lower pressure notes piece, the mould body contains upper body, well body and lower body triplex, form the middle holding chamber of holding gyro wheel metal framework in well body, the shaping chamber of shaping gyro wheel rubber layer is formed to the both sides of gyro wheel metal framework in middle holding chamber, the middle part of going up the body forms mixing rubber pressure notes chamber, mixing rubber pressure notes chamber holding hydrogenated nitrile rubber of shaping gyro wheel rubber layer, the lower extreme telescopic of upper pressure notes piece sets up in mixing rubber pressure notes intracavity, mixing rubber pressure notes chamber is equipped with a plurality of upper pressure notes mouth that communicate to shaping chamber, the middle part of lower body forms the pressure notes chamber under the elastomeric compound, mixing rubber pressure notes chamber holds hydrogenated nitrile rubber of shaping gyro wheel under the elastomeric compound, the lower extreme telescopic of lower pressure notes piece sets up in mixing rubber pressure notes intracavity, the rubber compound lower pressure injection cavity is provided with a plurality of lower pressure injection ports communicated to the molding cavity; therefore, the rubber roller repairing device is simple in structure and convenient to operate, can overcome the defects of the prior art, and can effectively repair the worn rubber roller, so that the service life is prolonged, and the maintenance cost is reduced.

Description

Rubber vulcanization mold for roller of power driving assembly of aircraft cargo compartment

Technical Field

The utility model relates to the technical field of maintenance and repair of aircraft accessories, in particular to a rubber vulcanization mold for a roller of a power driving assembly of an aircraft cargo compartment.

Background

The power driving component (PDU for short) of the aircraft cargo hold is easy to wear and tear on the rubber layer of the roller in the operation and use process, so that the PDU driving function is invalid and the PDU cannot work normally. In the prior art, a specific mold and a vulcanization process are not available, and the roller rubber which cannot be used after being worn can be effectively repaired.

Therefore, in view of the defects, the designer of the utility model researches and designs a rubber vulcanization mold for the roller of the power driving component of the cargo hold of the airplane by combining the experience and the result of the related industry for years through careful research and design experiments so as to overcome the defects.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rubber vulcanization mold for a roller of a power driving assembly of an aircraft cargo compartment, which has a simple structure and is convenient to operate, can overcome the defects of the prior art, and can effectively repair abraded roller rubber so as to prolong the service life of the rubber vulcanization mold and reduce the maintenance cost.

In order to achieve the purpose, the utility model discloses a rubber vulcanization mold for a roller of a power driving assembly of an aircraft cargo hold, which comprises a mold body, an upper injection molding block and a lower injection molding block, and is characterized in that:

the die body comprises an upper body, a middle body and a lower body, a middle accommodating cavity for accommodating the roller metal framework is formed in the middle body, forming cavities for forming the rubber layer of the roller on two sides of the metal framework of the roller in the middle accommodating cavity, forming a pressing and injecting cavity on the mixing rubber in the middle of the upper body, the pressure injection cavity on the mixing rubber is used for accommodating the hydrogenated nitrile rubber of the rubber layer of the forming roller, the lower end of the upper pressure injection block is arranged in the pressure injection cavity on the mixing rubber in a telescopic way, the pressure injection cavity on the rubber mixing is provided with a plurality of upper pressure injection ports communicated with the molding cavity, the middle part of the lower body forms a rubber mixing lower pressure injection cavity, the device comprises a rubber compound pressing and injecting cavity, a forming roller rubber layer, hydrogenated nitrile rubber, a lower end telescopic device and a pressing and injecting block, wherein the rubber compound pressing and injecting cavity is used for accommodating the hydrogenated nitrile rubber on the forming roller rubber layer, the lower end telescopic device of the pressing and injecting block is arranged in the rubber compound pressing and injecting cavity, and the rubber compound pressing and injecting cavity is provided with a plurality of pressing and injecting ports communicated to the forming cavity.

Wherein: the pressure injection cavity is a cylindrical groove on the mixing rubber, the lower part of the upper pressure injection block is of a cylindrical structure with the diameter matched with the pressure injection cavity on the mixing rubber, and the upper part of the upper pressure injection block is of a disc structure with the diameter larger than the pressure injection cavity on the mixing rubber.

Wherein: the upper pressure injection ports are uniformly distributed on the circumference of the bottom of the pressure injection cavity on the mixing rubber.

Wherein: the upper pressure injection port is six glue injection holes with the diameter of 1 mm.

Wherein: the lower part of the lower pressure injection block is of a cylindrical structure with the diameter matched with that of the lower pressure injection cavity of the rubber compound, and the upper part of the lower pressure injection block is of a disc structure with the diameter larger than that of the lower pressure injection cavity of the rubber compound.

Wherein: the lower pressure injection ports are uniformly distributed on the circumference of the bottom of the rubber compound lower pressure injection cavity.

Wherein: the lower pressure injection port is six glue injection holes with the diameter of 1 mm.

Wherein: the surface of the metal framework body of the roller metal framework is provided with a first adhesive coating, the first adhesive coating is made of Chemlok205 binder, the outer side of the first adhesive coating is provided with a second adhesive coating, and the second adhesive coating is made of Chemlok205 binder.

Wherein: the thickness of the first adhesive coating is 0.005-0.012mm, and the thickness of the second adhesive coating is 0.008-0.013 mm.

Wherein: the middle body adopts a flat vulcanizing machine.

According to the above content, the rubber vulcanization mold for the roller of the power driving assembly of the aircraft cargo hold has the following effects:

1. simple structure, convenient operation can overcome prior art's defect, effectively restores the gyro wheel rubber after wearing and tearing.

2. The rubber roller can be reused after maintenance, so that the service life is prolonged, and the maintenance cost is reduced.

3. The specific arrangement of the coating and the material process ensures that the manufactured roller rubber meets the requirements and the service life is prolonged.

The details of the present invention can be obtained from the following description and the attached drawings.

Drawings

Fig. 1 shows a structural schematic diagram of a roller rubber vulcanization mold of a power driving assembly of an aircraft cargo compartment of the utility model.

Figure 2 shows a pressurization schematic of the present invention.

FIG. 3 shows a schematic view of the roller rubber after vulcanization molding.

Reference numerals:

1-1, a metal framework body; 1-2, a first adhesive coating; 1-3, coating a second adhesive; 1-4, a rubber layer; 2-1, arranging an injection block; 2-2, pressing and injecting a cavity on the mixing adhesive; 2-3, an upper pressure injection port; 2-4, pressing the injection port; 2-5, pressing and injecting the rubber compound into a cavity; 2-6; pressing the injection block; 2-8, roller rubber layer; 2-9, and a roller metal framework.

Detailed Description

Referring to fig. 1 and 2, an aircraft cargo bay power drive assembly roller rubber curing mold of the present invention is shown.

The rubber vulcanization mold for the roller of the power driving assembly of the aircraft cargo hold comprises a mold body, an upper injection molding block 2-1 and a lower injection molding block 2-6, wherein the mold body comprises an upper body, a middle body and a lower body, a middle accommodating cavity for accommodating a roller metal framework 2-9 is formed in the middle body, molding cavities 2-8 for molding a roller rubber layer are formed on two sides of the roller metal framework 2-7 in the middle accommodating cavity, an adhesive mixing and injection molding cavity 2-2 is formed in the middle of the upper body, the adhesive mixing and injection molding cavity 2-2 accommodates hydrogenated nitrile rubber for the molding roller rubber layer, the lower end of the upper injection molding block 2-1 is telescopically arranged in the adhesive mixing and injection molding cavity 2-2, and the adhesive mixing and injection molding cavity 2-2 is provided with a plurality of upper injection molding ports 2-3 communicated with the molding cavities, so that the hydrogenated nitrile rubber in the pressure injection cavity 2-2 on the mixing rubber is injected into the forming cavity to form the roller rubber layer through the telescopic pressure injection in the pressure injection cavity 2-2 on the mixing rubber by the upper pressure injection block 2-1.

The middle part of the lower body is provided with a mixed rubber lower pressure injection cavity 2-5, the mixed rubber lower pressure injection cavity 2-5 is used for accommodating hydrogenated nitrile rubber of the forming roller rubber layer, the lower end of the lower pressure injection block 2-6 is arranged in the mixed rubber lower pressure injection cavity 2-5 in a telescopic mode, the mixed rubber lower pressure injection cavity 2-5 is provided with a plurality of lower pressure injection ports 2-4 communicated to the forming cavity, and therefore the hydrogenated nitrile rubber in the mixed rubber lower pressure injection cavity 2-5 is injected into the forming cavity through the telescopic pressure injection of the lower pressure injection block 2-6 in the mixed rubber lower pressure injection cavity 2-5, and the roller rubber layer is formed from the lower side.

The mixing rubber upper pressure injection cavity 2-2 is a cylindrical groove, the lower portion of the upper pressure injection block 2-1 is of a cylindrical structure with the diameter matched with the mixing rubber upper pressure injection cavity 2-2, and the upper portion of the upper pressure injection block is of a disc structure with the diameter larger than the mixing rubber upper pressure injection cavity 2-2.

The upper pressure injection ports 2-3 are a plurality of pressure injection holes which are uniformly distributed on the circumference of the bottom of the pressure injection cavity 2-2 on the mixing rubber, and preferably, the upper pressure injection ports 2-3 are six injection holes with the diameter of 1 mm.

The lower part of the lower pressure injection block 2-6 is of a cylindrical structure with the diameter matched with the lower pressure injection cavity 2-5 of the rubber compound, and the upper part of the lower pressure injection block is of a disc structure with the diameter larger than the lower pressure injection cavity 2-5 of the rubber compound.

The lower pressure injection ports 2-4 are uniformly distributed on the circumference of the bottom of the rubber compound lower pressure injection cavity 2-5, and preferably, the lower pressure injection ports 2-4 are six injection holes with the diameter of 1 mm.

Referring to fig. 3, in a specific embodiment of the present application, a first adhesive coating 1-2 is preferably disposed on a surface of a metal skeleton body 1-1 of a roller metal skeleton, the first adhesive coating 1-2 is made of Chemlok205 adhesive and has a thickness of 0.005-0.012mm, and is placed in an oven at 60-80 ℃ in summer for 3-8 minutes, and is dried in clean air at room temperature in winter for 30-45 minutes.

More preferably, a second adhesive coating 1-3 is further arranged on the outer side of the first adhesive coating 1-2, the second adhesive coating 1-3 is made of Chemlok205 adhesive and has the thickness of 0.008-0.013mm, the second adhesive coating 1-3 is placed into an oven at 60-80 ℃ for drying for 3-8 minutes in summer, the second adhesive coating is dried in clean air for 30-45 minutes in winter, and the rubber layer 1-4 is formed on the outer side of the second adhesive coating 1-3.

The middle body can adopt a flat vulcanizing machine to carry out heating, pressure maintaining and vulcanizing after the rubber compound enters the molding cavity.

It should be apparent that the foregoing description and illustrations are by way of example only and are not intended to limit the present disclosure, application or uses. While embodiments have been described in the embodiments and depicted in the drawings, the present invention is not limited to the particular examples illustrated by the drawings and described in the embodiments as the best mode presently contemplated for carrying out the teachings of the present invention, and the scope of the present invention will include any embodiments falling within the foregoing description and the appended claims.

Claims

1. The utility model provides an aircraft cargo compartment power drive assembly gyro wheel rubber vulcanization mould utensil, includes the mould body, goes up the pressure notes piece and presses the notes piece down, its characterized in that:

the die body comprises an upper body, a middle body and a lower body, a middle accommodating cavity for accommodating the roller metal framework is formed in the middle body, forming cavities for forming the rubber layer of the roller on two sides of the metal framework of the roller in the middle accommodating cavity, forming a pressing and injecting cavity on the mixing rubber in the middle of the upper body, the pressure injection cavity on the mixing rubber is used for accommodating the hydrogenated nitrile rubber of the rubber layer of the forming roller, the lower end of the upper pressure injection block is arranged in the pressure injection cavity on the mixing rubber in a telescopic way, the pressure injection cavity on the rubber mixing is provided with a plurality of upper pressure injection ports communicated with the molding cavity, the middle part of the lower body forms a rubber mixing lower pressure injection cavity, the device comprises a rubber compound lower pressure injection cavity, a forming roller rubber layer, hydrogenated nitrile rubber, a lower end telescopic device and a lower pressure injection block, wherein the rubber compound lower pressure injection cavity is used for accommodating the hydrogenated nitrile rubber of the forming roller rubber layer, the lower end telescopic device of the lower pressure injection block is arranged in the rubber compound lower pressure injection cavity, and the rubber compound lower pressure injection cavity is provided with a plurality of lower pressure injection ports communicated to the forming cavity.

2. An aircraft cargo bay power drive assembly roller rubber curing mold as defined in claim 1, wherein: the pressure injection cavity is a cylindrical groove on the mixing rubber, the lower part of the upper pressure injection block is of a cylindrical structure with the diameter matched with the pressure injection cavity on the mixing rubber, and the upper part of the upper pressure injection block is of a disc structure with the diameter larger than the pressure injection cavity on the mixing rubber.

3. An aircraft cargo bay power drive assembly roller rubber curing mold as defined in claim 2, wherein: the upper pressure injection ports are uniformly distributed on the mixing rubber and on the circumference of the bottom of the pressure injection cavity.

4. An aircraft cargo bay power drive assembly roller rubber curing mold as defined in claim 3, wherein: the upper pressure injection port is six glue injection holes with the diameter of 1 mm.

5. An aircraft cargo bay power drive assembly roller rubber curing mold as defined in claim 1, wherein: the lower pressure injection cavity of the rubber compound is a cylindrical groove, the lower part of the lower pressure injection block is of a cylindrical structure with the diameter matched with that of the lower pressure injection cavity of the rubber compound, and the upper part of the lower pressure injection block is of a disc structure with the diameter larger than that of the lower pressure injection cavity of the rubber compound.

6. An aircraft cargo bay power drive assembly roller rubber curing mold as defined in claim 5, wherein: the lower pressure injection ports are uniformly distributed on the circumference of the bottom of the rubber compound lower pressure injection cavity.

7. An aircraft cargo bay power drive assembly roller rubber curing mold as defined in claim 6, wherein: the lower pressure injection port is six glue injection holes with the diameter of 1 mm.

8. An aircraft cargo bay power drive assembly roller rubber curing mold as defined in claim 1, wherein: the surface of the metal framework body of the roller metal framework is provided with a first adhesive coating, the first adhesive coating is made of Chemlok205 binder, the outer side of the first adhesive coating is provided with a second adhesive coating, and the second adhesive coating is made of Chemlok205 binder.

9. An aircraft cargo bay power drive assembly roller rubber curing mold as defined in claim 8, wherein: the thickness of the first adhesive coating is 0.005-0.012mm, and the thickness of the second adhesive coating is 0.008-0.013 mm.

10. An aircraft cargo bay power drive assembly roller rubber curing mold as defined in claim 1, wherein: the middle body adopts a flat vulcanizing machine.