CN110933885A

CN110933885A - Aluminum alloy section for machine shell frame

Info

Publication number: CN110933885A
Application number: CN201911149178.1A
Authority: CN
Inventors: 南保成
Original assignee: Shenzhen Langyi Mechanical And Electrical Engineering Co Ltd
Current assignee: Shenzhen Langyi Mechanical And Electrical Engineering Co Ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-03-27

Abstract

The invention discloses an aluminum alloy profile for a casing frame, which is an aluminum alloy profile with a trapezoidal groove and a broken bridge with an irregular cross-sectional shape extruded from an aluminum alloy material, comprising a first display surface, a first wrinkled surface, a The first baffle deck, the first broken bridge deck, the second broken bridge deck, the third broken bridge deck, the fourth broken bridge deck, the second baffle deck, the second folded deck and the second display deck, the first broken bridge deck The surface and the second broken bridge deck are on the same plane and form the first broken bridge opening, the first broken bridge opening is the first trapezoidal groove inward, the third broken bridge deck and the fourth broken bridge deck are on the same plane and form the first bridge opening. Two broken bridge openings, the second broken bridge opening is a second trapezoidal groove inward, and the aluminum alloy profile for the casing frame has a cavity inside. The invention and the externally fixed and connected fasteners are installed at the trapezoidal grooves and the broken bridge openings, the profiles and the external connection sealing plates do not need to be punched and fixed, the surface of the profiles can be simply treated and regenerated, which is more environmentally friendly, and the production process is simple.

Description

Aluminum alloy section for machine shell frame

Technical Field

The invention belongs to the field of electrical and communication equipment, relates to a frame structure assembled shell, and particularly relates to an aluminum alloy section for a shell frame.

Background

The machine shell frame section bars in the domestic market are the sixteen-fold section bars and the nine-fold section bars which are disclosed in 1997 by Rittal company in Germany and have the widest application and the highest market share at present. An authorized bulletin number CN 103987229B published by Rittal corporation in Weichen electronic mechanical technology (Shanghai) Limited, a division of China, and an authorized bulletin date 2019.03.15 disclose a section bar for a cabinet frame; donghua university publication No. CN 101963276 a, granted bulletin date 2011.02.02 discloses a twelve-fold profile with cold-pressed pleats. The two types of section bars are formed by cold bending a cold rolled carbon steel plate, and the production process of the section bar generally comprises the following steps: firstly, leveling a cold rolled carbon steel plate coil stock; secondly, punching module mounting holes with standard intervals by using a continuous punching die; step three, gradually cold-bending and forming by cold-bending equipment; fourthly, cutting the steel plate into a certain length; fifthly, cutting the blank into required lengths according to requirements; and sixthly, cleaning, surface repairing, polishing, phosphorus washing, drying, protecting plug holes, electrostatic spraying, curing and drying. The section bar has the advantages that: mounting holes are formed in the sectional materials, the sectional materials can be connected in a screwing mode, a riveting mode and the like to assemble a cabinet frame, and related accessories outside the cabinet, such as door panels, side plates and the like, can be fixed and mounted on the sectional materials through the mounting holes in the sectional materials. The disadvantages are that: firstly, large-scale precise cold bending equipment is involved in the production process, one cold bending production line can only produce one section, and at least twelve bending steps are carried out, so that the requirements on the technology and the precision of the production process are high; secondly, the standard modular mounting holes are equidistant, so that elements and related accessories cannot be mounted or fixed in the space between the standard modular mounting holes and the holes, and the flexible assembly in the true sense cannot be completed; thirdly, the door plate, the side plate and the external related accessories of the door plate and the side plate are required to be punched to correspond to the standard modular hole site in the section bar, and the door plate, the side plate and the external related accessories are required to be matched well, so that the difficulty coefficient related to the precision in the production process is increased; fourthly, the bending radius of the bending part of the cold-bending section bar, and the bolt connection and riveting holes of the section bar, an external door panel, a side plate and external related accessories all increase the difficulty coefficient for solving the problem of protection grade; fifthly, the sectional area of the section is larger due to the thickness of the section material and the bending radius, the unit length weight is heavier, and the assembled and molded machine shell is heavier.

According to the search, most of the section bars on the market are adjusted and improved on the basis of the section bars of Rittal company in Germany, namely the Weiwei picture cabinet which is generally called on the market. A section with simple production process, simple assembly, light weight and high strength in the true sense is not found so far.

Disclosure of Invention

The invention aims to provide an aluminum alloy section for a chassis frame, which overcomes the defects that the production process of a cold-formed section is complex, the installation position cannot be flexibly adjusted, the requirements on the production technology and precision are high, the sectional area is large, the section is heavy after assembly and forming and the like in the prior art. The invention provides an aluminum alloy section for a machine shell frame, wherein an external sealing plate is fixed from the inside, all installation and fastening pieces are installed and fixed by utilizing a trapezoid groove and a bridge cut-off opening in the section, and can be installed and fixed at any position in the length direction of the section.

In order to solve the technical problems, the invention adopts the technical scheme that:

an aluminum alloy section for a machine shell frame is an aluminum alloy section which is formed by extrusion of aluminum alloy materials, has an irregular cross section and is provided with a trapezoid groove and a bridge cut-off opening, and comprises a first display surface, a first fold surface, a first bridge baffle surface, a first bridge cut-off surface, a second bridge cut-off surface, a third bridge cut-off surface, a fourth bridge cut-off surface, a second bridge baffle surface, a second fold surface and a second display surface, wherein the first bridge cut-off surface and the second bridge cut-off surface are arranged on the same plane and form a first bridge cut-off opening, the first trapezoid groove is formed inwards from the first bridge cut-off opening, the third bridge cut-off surface and the fourth bridge cut-off surface are arranged on the same plane and form a second bridge cut-off opening, the second trapezoid groove is formed inwards from the second bridge cut-off opening, and a cavity is formed.

The aluminum alloy section for the machine shell frame is formed by extrusion molding of an aluminum alloy material, the section is irregular in cross section shape and provided with a trapezoidal groove and a bridge cut-off opening, and the section with the irregular cross section shape increases the twisting resistance of the section.

The first display surface and the second display surface are flat surfaces and are appearance decorative surfaces, and the surfaces are not machined.

First fold face and second fold face become right angle symmetry, for the stationary plane of two outside perpendicular shroudings, with fold department filling structure sealed glue or install waterproof sealing strip additional in the assembling process, reach IP level sealed, have fine waterproof dustproof performance, and the casing of being assembled by this section bar uses under the circumstances of environment range, also can provide fine barrier propterty to installing in the inside component of casing and equipment.

The first baffle plate surface and the second baffle plate surface are positioning surfaces of two outer vertical sealing plates, the outer sealing plates are blocked to be positioned on the section bar, and then the outer sealing plates are propped against the wrinkled surfaces from the inner part of the section bar by using fasteners.

The first bridge cut-off opening and the second bridge cut-off opening are used for allowing a screw to penetrate through and connect the inner fastener and the outer fastener.

The first trapezoidal groove and the second trapezoidal groove are used for placing and hiding the fastening piece and can move at any position in the length direction of the trapezoidal grooves, and the purpose of flexibly adjusting the fixed position is achieved.

The fold surface is provided with a plurality of barb folds with inward openings, so that the outer sealing plate and the waterproof sealing piece can be prevented from moving outwards, and the moving resistance of the outer sealing plate and the waterproof sealing piece is increased.

The cavity is arranged in the section bar so as to reduce the weight of the section bar in cross section and unit length.

Compared with the cold rolled carbon steel plate cold bending section bar in the prior art, the cold rolled carbon steel plate cold bending section bar has the following beneficial effects:

firstly, all the external sealing plates of the invention are not required to be punched, bent and welded, but are propped on the section bar from the inside by using related fasteners, and all the accessories and mounting fasteners are fixed on the trapezoidal grooves in the section bar of the invention.

Secondly, the invention can accurately cut the section bars with corresponding sizes according to the size of the enclosure plate of the enclosure, and then the enclosure is assembled by a plurality of simple fasteners and the enclosure plate, thereby achieving the effect of both batch production and customized small-scale production.

All the mounting and fixing pieces are mounted on the trapezoidal groove and the bridge cut-off opening, punching is not needed, and the mounting positions of the fasteners and related accessories can be flexibly adjusted at will according to needs. The method has the advantages of no need of any working procedures such as drilling and tapping after cutting and blanking, good protection on the section, few working procedures, simple processing technology, less pollution generated in the processing process and short production period.

The section bar is formed by extrusion of aluminum alloy, the limitation of material thickness and bending radius is avoided, and the required shape and size can be extruded at will, so that the section bar has a smaller section; furthermore, the density of the aluminum alloy is usually 2.7g/cm in dry-rolled carbon steel plate, while the density of the cold-rolled carbon steel plate of the cold-bent section is usually 7.9g/cm in dry-rolled steel, the section is small in sectional area, low in density and simple in processing technology, so that the section is lower in cost.

Fifthly, the section material is aluminum alloy which has the characteristics of corrosion resistance, pollution resistance, oxidation resistance and the like, and can be simply treated and recycled, so that the section material is more environment-friendly.

The profile does not need any processing procedure except for cutting length, the trapezoidal groove and the bridge cut-off opening are connected and fastened with the outside through the fastening piece, the size of the fastening piece is small, the processing is more convenient, the cost is lower compared with the processing of the whole profile, and the precision can be better ensured.

Drawings

FIG. 1 is a cross-sectional view of a profile of the present invention;

FIG. 2 is a first isometric view of the present invention;

FIG. 3 is a second isometric view of the present invention;

FIG. 4 is a schematic view of the present invention assembled with a closure plate;

FIG. 5 is an exploded view of the present invention assembled with an adjacent profile plus fastener;

FIG. 6 is an assembly view of the present invention assembled with an adjacent profile plus fastener.

Wherein: 1. a first display surface; 2. a first corrugated surface; 3. a first baffle surface; 4. a first broken bridge deck; 5. a second broken bridge deck; 6. third breaking the bridge floor; 7. fourth breaking the bridge floor; 8. a second baffle surface; 9. a second corrugated surface; 10. a second display surface.

Detailed Description

Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.

Examples

An aluminum alloy section for a casing frame as shown in fig. 1 is an aluminum alloy section which is formed by extrusion molding of an aluminum alloy material and has an irregular cross section and a trapezoidal groove and a bridge cut, and comprises a first display surface, a first corrugated surface, a first baffle surface, a first bridge cut surface, a second bridge cut surface, a third bridge cut surface, a fourth bridge cut surface, a second baffle surface, a second corrugated surface and a second display surface, wherein the first bridge cut surface and the second bridge cut surface are arranged on a plane and form a first bridge cut, the first bridge cut is inwards provided with the first trapezoidal groove, the third bridge cut surface and the fourth bridge cut surface are arranged on a plane and form a second bridge cut, the second bridge cut is inwards provided with the second trapezoidal groove, and a cavity is arranged inside the aluminum alloy section for the casing frame.

As shown in fig. 1, the aluminum alloy section for the chassis frame is an aluminum alloy section which is formed by extrusion molding of an aluminum alloy material and has a trapezoidal groove and a bridge cut-off opening, and the section with the irregular cross section increases the anti-torsion strength of the section.

As shown in fig. 2, the first display surface and the second display surface are flat surfaces and are appearance decorative surfaces which are not machined, so that the appearance of the cabinet assembled by the section bar is complete and beautiful.

As shown in fig. 4, the first folding surface and the second folding surface are in right-angle symmetry and are fixing surfaces of two external vertical surface sealing plates, and in the assembling process, the folding part is filled with structural sealant or is additionally provided with a waterproof sealing strip to achieve IP-level sealing, so that the waterproof and dustproof performance is good.

As shown in fig. 4, the first bridge cut-off opening and the second bridge cut-off opening are used for allowing screws to pass through and connect the internal and external fasteners or fix related elements, and the connection between the profiles is completed through corner pieces so as to assemble the chassis frame.

As shown in fig. 6, the first trapezoidal groove and the second trapezoidal groove are used for placing and hiding the fastener, and can move at any position in the length direction of the trapezoidal groove, so that the purpose of flexibly adjusting the fixed position is achieved.

The trapezoidal groove and the bridge cut-off opening face towards the inner side of the section bar, and the section bar and the internally-installed beam section bar can be conveniently connected and fixed in a matched mode. And all the fixing pieces are fixed from the inside by the trapezoidal groove and the bridge cut-off opening, so that the assembled and formed machine shell has good protection performance.

The fold face has a plurality of inward barb folds of opening, can prevent outside shrouding and waterproof sealing member outwards to move, increases its resistance that moves, has also increased the anti distortion intensity of fold face simultaneously.

The aluminum alloy section for the machine shell frame has the advantages that the outer sealing plate of the aluminum alloy section does not need to be processed by punching, bending, welding and the like, the aluminum alloy section is firmly propped against the section from the inside by utilizing corner pieces, sealing plate fixing pieces and related fasteners, and all accessories and mounting fasteners are fixed on the trapezoidal groove in the section.

The hollow cavity is arranged in the section bar, so that the weight of the section bar in cross section and unit length is reduced.

Claims

1. a kind of aluminum alloy profile for casing frame, it is characterized in that the aluminum alloy profile for described casing frame is the aluminum alloy profile with a trapezoidal groove and a broken bridge with an irregular cross-sectional shape extruded by an aluminum alloy material , including the first display surface, the first folded surface, the first baffle surface, the first broken bridge deck, the second broken bridge deck, the third broken bridge deck, the fourth broken bridge deck, the second baffle surface, the second broken bridge deck The folded surface and the second display surface, the first broken bridge deck and the second broken bridge deck are on a plane and form a first broken bridge opening, the first broken bridge opening is a first trapezoidal groove inward, and the third broken bridge deck and The fourth broken bridge deck is on a plane and forms a second broken bridge opening, and the second broken bridge opening is a second trapezoidal groove inward, and the aluminum alloy profile for the casing frame has a cavity inside.

2 . The aluminum alloy profile for a casing frame according to claim 1 , wherein the profile is an aluminum alloy profile with a trapezoidal groove and a broken bridge with an irregular cross-sectional shape extruded from an aluminum alloy material. 3 .

3 . The aluminum alloy profile for a casing frame according to claim 1 , wherein the first display surface and the second display surface are flat surfaces, which are appearance decoration surfaces. 4 .

4. The aluminum alloy profile for casing frame according to claim 1, characterized in that the first wrinkled surface and the second wrinkled surface are symmetrical at right angles, and are the fixing surfaces of the outer two vertical surface sealing plates. In the process, the folds are filled with structural sealant or waterproof sealing strips are installed.

5 . The aluminum alloy profile for a casing frame according to claim 1 , wherein the first baffle surface and the second baffle surface are the positioning surfaces of two outer vertical sealing plates. 6 .

6 . The aluminum alloy profile for a casing frame according to claim 1 , wherein the first and second broken bridge openings are used for screws to pass through to connect internal and external fasteners. 7 .

7 . The aluminum alloy profile for a casing frame according to claim 1 , wherein the first trapezoidal groove and the second trapezoidal groove are used to place and hide fasteners. 8 .

8 . The aluminum alloy profile for a casing frame according to claim 4 , wherein the pleated surface is a plurality of barbed pleats with inward openings. 9 .

9 . The aluminum alloy profile for a casing frame according to claim 1 , wherein the profile has a cavity inside. 10 .