CN111654986A

CN111654986A - Sand casting aluminum alloy communication shell and processing technology thereof

Info

Publication number: CN111654986A
Application number: CN202010491764.0A
Authority: CN
Inventors: 姜茂生; 王德喜
Original assignee: Liaoning Xinzhijie Technology Co ltd
Current assignee: Liaoning Xinzhijie Technology Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2020-09-11

Abstract

The invention provides a sand casting aluminum alloy communication shell and a processing technology thereof, belonging to the technical field of communication and comprising a shell, wherein the outer walls of two sides of the shell are respectively provided with an air inlet and a heat dissipation hole; the fan blades are used for discharging heat generated in the shell to the outside of the shell, so that the heat dissipation capacity and the heat dissipation effect of the shell are improved, and the service life of parts in the shell of the wireless communication base station is ensured.

Description

Sand casting aluminum alloy communication shell and processing technology thereof

Technical Field

The invention relates to the technical field of communication, in particular to a sand casting aluminum alloy communication shell and a processing technology thereof.

Background

In recent years, with the rapid development of economy and the rapid advance of science and technology, the radio communication technology is greatly improved, the fifth generation mobile communication technology (5G) enters the life of people in a way of quickly covering ears, is characterized by high-speed and high-quality signal transmission, ultra-large capacity and ultra-low time delay, becomes the mainstream direction of the development of the mobile communication technology at the present stage and in a period of time from now on, and has wide application prospect.

The aluminum alloy material for the 5G communication base station shell is a common material for the communication base station related to 5G application, is one of key component materials for supporting a wireless communication base station, can provide a substrate for fixing electronic devices and circuit boards in the base station, and is also a main device for radiating devices in the base station.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a sand casting aluminum alloy communication shell and a processing technology thereof.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a sand casting aluminum alloy communication shell, includes the casing, casing both sides outer wall is dug respectively has air intake and louvre, its characterized in that, shells inner wall is connected with the movable plate, the movable plate outer wall is dug there is first recess, first recess inner wall is connected with the annular rack board, movable plate outer wall sliding connection has the mount, the mount inner wall is connected with first motor and second motor respectively, the output of first motor is connected with first pivot, the one end that first motor was kept away from in first pivot is connected with the first gear of mutually supporting with the annular rack board, second motor outer wall is connected with the second pivot, the one end that the second motor was kept away from in the second pivot is connected with the disc, disc outer wall connection has the flabellum.

Preferably, the outer wall of the fixed frame is connected with a first sliding block, and the outer wall of the movable plate is provided with a first sliding groove matched with the first sliding block in a chiseled mode.

Preferably, an electric telescopic rod is connected between the moving plate and the shell, the moving plate is connected to the inner wall of the shell in a sliding mode, a second sliding block is connected to the outer wall of the moving plate, and a second sliding groove matched with the second sliding block is formed in the inner wall of the shell in a chiseling mode.

Preferably, the outer wall of the moving plate is connected with two fixed plates, the outer walls of the two fixed plates are both connected with a control switch, the outer wall of each fixed plate is further connected with two first elastic elements, the two first elastic elements are respectively arranged on two sides of the control switch, one end, far away from the moving plate, of each first elastic element is connected with a pressing plate, and the pressing plates are movably abutted to the control switch.

Preferably, the two control switches are electrically connected with the electric telescopic rod.

Preferably, the inner wall of the top of the shell is rotatably connected with a screw rod through a bearing, the screw rod is in threaded connection with the movable plate, the outer wall of the screw rod is connected with a reel, and the outer wall of the reel is sleeved with a pull rope.

Preferably, the two sides of the inner wall of the shell are both connected with connecting rods, a frame is connected between the two connecting rods, the top of the frame is connected with a pipe body, the pipe body is communicated with the frame, the inner wall of the pipe body is movably connected with a piston, a telescopic pipe is connected between the piston and the inner wall of the pipe body, the outer wall of the telescopic pipe is sleeved with a second elastic element, the second elastic element is arranged between the inner wall of the pipe body and the piston, and one end, far away from the reel, of the pull rope is connected to the outer wall of.

Preferably, the outer wall of the shell is further provided with an air outlet, and the air outlet is arranged above the heat dissipation holes.

Preferably, the inner walls of the air outlet, the heat dissipation holes and the air inlet are all connected with filter screens.

A processing technology of a sand casting aluminum alloy communication shell comprises the following steps:

s1, firstly, adding metal pills into molding sand according to a proportion and uniformly stirring for later use, manufacturing a wood pattern and a casting system according to a drawing and casting process requirements, placing the wood pattern into a drag flask, adding the prepared molding sand into the drag flask in batches, covering the molding sand and the wood pattern in place and compacting, scattering dry sand on the upper plane of the drag flask to facilitate the lifting of the upper flask and the lower flask, placing an upper flask on the drag flask, partially adding the prepared molding sand in the upper flask and the wood pattern in batches and compacting, if a wood pattern cavity is too deep, installing a lifting hook at the upper flask part to ensure the strength of the sand pattern, lifting the upper flask, lifting the wood pattern together with the upper flask, then obtaining a sand mold of the drag flask, dismantling the wood pattern of the upper flask, trimming the upper flask sand pattern, drying, and then combining the flask for waiting for casting;

s2, adding the aluminum ingot into a smelting furnace for melting, adding silicon when the temperature of the molten metal is raised to 800-830 ℃, stirring the molten metal until the silicon is completely melted, and standing for 4-6 minutes; heating to 835-855 ℃, adding Tl, Ba, Nb, Zr, Re, Se and Bi into the molten metal, stirring the molten metal and heating the molten metal, adding Cu, rare earth elements and carbon nanotubes into the molten metal when the molten metal reaches 860-920 ℃, keeping the temperature and stirring for 25-35 minutes to obtain molten aluminum alloy, and pouring the refined molten aluminum alloy into a hollow cavity after the box is closed through a casting system;

and S3, opening the box to take out the aluminum liquid after solidification, and cleaning and polishing to obtain the sand-cast aluminum alloy communication shell manufactured by the process.

The technical scheme of the invention has the following benefits:

1. this sand casting aluminum alloy communication shell and processing technology thereof through controlling first motor operation, makes first gear and the meshing of annular rack board, makes the mount at the movable plate outside reciprocating motion, controls the operation of second motor, makes the output of second motor drive the flabellum and blows to the casing inside, and then makes the flabellum reciprocating motion about the casing is inside, improves the radiating effect of flabellum to the casing inside, and then improves the life of the inside spare part of casing.

2. This sand casting aluminum alloy communication shell and processing technology thereof, when through making the mount along with first gear removal, make the removal frame extrusion clamp plate, clamp plate oppression control switch makes control switch control electric telescopic handle work, the control switch during operation of top, electric telescopic handle extension, the control switch during operation of below, electric telescopic handle shortens, and then adjusts the height of movable plate, makes the flabellum can reciprocate, further enlarges the blowing scope of flabellum, improves the heat-sinking capability of flabellum.

3. According to the sand casting aluminum alloy communication shell and the processing technology thereof, the movable plate is in threaded connection with the screw rod, when the electric telescopic rod pushes the movable plate to move upwards or downwards, the movable plate drives the screw rod to rotate, the tightness of the wire winding wheel on the pull rope is further adjusted, the piston is controlled to work, the piston extrudes air in the pipe body, the opening of the shell extrudes the air outwards, hot air accumulated above the inner part of the shell is discharged from the air outlet, and the heat dissipation effect on the inner part of the shell is improved.

4. This sand casting aluminum alloy communication shell and processing technology thereof through setting up the filter screen at air outlet, louvre and air intake, avoids the outside dust of casing or debris to fall into in the casing, leads to the inside dust of casing to increase, influences the use of part.

5. According to the sand-cast aluminum alloy communication shell and the processing technology thereof, the aluminum alloy shell is cast by using the molding sand, the alloying degree is enhanced, the structure is more compact, the comprehensive performance and the heat conduction and heat dissipation performance of an aluminum alloy material are improved, and the service life of the shell is prolonged.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a first schematic structural diagram of a sand-cast aluminum alloy communication housing according to the present invention;

FIG. 2 is a second schematic structural view of a sand-cast aluminum alloy communication housing according to the present invention;

FIG. 3 is a first schematic structural view of a sand-cast aluminum alloy communication housing moving plate according to the present invention;

FIG. 4 is a second schematic structural view of a sand-cast aluminum alloy communication housing moving plate according to the present invention;

FIG. 5 is a schematic structural view of a cross section of a sand-cast aluminum alloy communication housing moving plate according to the present invention;

FIG. 6 is a schematic structural view of a sand-cast aluminum alloy communication housing of the present invention;

FIG. 7 is a schematic structural view of a sand-cast aluminum alloy communication housing tube and frame according to the present invention;

fig. 8 is a schematic structural view of a portion a in fig. 1 of a sand-cast aluminum alloy communication housing according to the present invention.

Wherein the figures include the following reference numerals:

1. a housing; 101. an air inlet; 102. heat dissipation holes; 2. moving the plate; 201. a first groove; 2011. a ring-shaped rack plate; 202. a fixed mount; 2021. a first slider; 203. a first chute; 204. a second slider; 3. a first motor; 301. a first rotating shaft; 302. a first gear; 4. a second motor; 401. a second rotating shaft; 402. a disc; 403. a fan blade; 5. a fixing plate; 501. a control switch; 502. a first elastic element; 503. pressing a plate; 6. an electric telescopic rod; 7. a screw rod; 701. a reel; 7011. pulling a rope; 8. a connecting rod; 9. a frame body; 10. a pipe body; 11. a piston; 12. a telescopic pipe; 121. a second elastic element; 13. an air outlet; 14. filtering with a screen; 15. a second runner.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, the thicknesses of layers and regions are exaggerated for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

Example 1:

referring to fig. 1-6, a sand casting aluminum alloy communication housing and a processing technology thereof, comprising a housing 1, wherein the outer walls of two sides of the housing 1 are respectively provided with an air inlet 101 and a heat dissipation hole 102, the inner wall of the housing 1 is connected with a moving plate 2, the outer wall of the moving plate 2 is provided with a first groove 201, the inner wall of the first groove 201 is connected with an annular rack plate 2011, the outer wall of the moving plate 2 is slidably connected with a fixed frame 202, the inner wall of the fixed frame 202 is respectively connected with a first motor 3 and a second motor 4, the output end of the first motor 3 is connected with a first rotating shaft 301, one end of the first rotating shaft 301 far away from the first motor 3 is connected with a first gear 302 mutually matched with the annular rack plate 2011, the outer wall of the second motor 4 is connected with a second rotating shaft 401, one end of the second rotating shaft 401 far away from the second motor 4, the outer wall of the moving plate 2 is provided with a first sliding groove 203 matched with the first sliding block 2021.

When the internal parts of the housing 1 work, heat is generated inside the housing 1, an air suction device is installed outside the air inlet 101, external air is sucked into the housing 1, then the first motor 3 and the second motor 4 are controlled to operate, the output end of the first motor 3 drives the first gear 302 and the annular rack plate 2011 to be meshed with each other, the first gear 302 drives the fixing frame 202 to move outside the moving plate 2, the first sliding block 2021 slides in the first sliding groove 203, the output end of the second motor 4 drives the fan blades 403 to blow the air inside the housing 1, hot air is discharged from the heat dissipation holes 102 drilled outside the housing 1, the internal air flow of the housing 1 is completed, the first motor 3 and the second motor 4 are matched with each other, the fan blades 403 can reciprocate leftwards and rightwards inside the housing 1, and the heat dissipation effect of the fan blades 403 is improved.

Example 2:

referring to fig. 1 to 8, a sand-cast aluminum alloy communication housing and a processing process thereof are substantially the same as those in embodiment 1, further, an electric telescopic rod 6 is connected between a moving plate 2 and a housing 1, the moving plate 2 is slidably connected to an inner wall of the housing 1, a second slider 204 is connected to an outer wall of the moving plate 2, a second chute 15 matched with the second slider 204 is formed in the inner wall of the housing 1, two fixing plates 5 are connected to an outer wall of the moving plate 2, control switches 501 are connected to outer walls of the two fixing plates 5, two first elastic elements 502 are further connected to outer walls of the fixing plates 5, the two first elastic elements 502 are respectively disposed on two sides of the control switches 501, one end of the first elastic element 502, which is far away from the moving plate 2, is connected to a pressing plate 503, the pressing plate 503 is movably abutted to the control.

In the process that the fixing frame 202 moves along with the first gear 302, the fixing frame 202 firstly abuts against a pressing plate 503 positioned above the moving plate 2, the pressing plate 503 presses a control switch 501 above, the control switch 501 controls the electric telescopic rod 6 to drive the moving plate 2 to ascend, then the fixing frame 202 continues to move until the fixing frame 202 abuts against the pressing plate 503 below, the pressing plate 503 presses a second control switch 501, the second control switch 501 controls the electric telescopic rod 6 to contract, and further the moving plate 2 is pulled to move downwards, so that the fan blades 403 can move up and down along with the moving plate 2, the blowing of the fan blades 403 to hot air inside the shell 1 is further improved, the phenomenon that local high temperature easily occurs to parts inside the shell 1 is avoided, the heat dissipation is uneven, and the service life of the parts inside the shell 1 is.

Example 3:

referring to fig. 1-8, a sand-cast aluminum alloy communication housing and a processing technique thereof, which are substantially the same as those of embodiment 1, further, a lead screw 7 is rotatably connected to the inner wall of the top of the housing 1 through a bearing, the lead screw 7 is in threaded connection with the moving plate 2, a reel 701 is connected to the outer wall of the lead screw 7, a pull rope 7011 is sleeved on the outer wall of the reel 701, connecting rods 8 are connected to both sides of the inner wall of the housing 1, a frame 9 is connected between the two connecting rods 8, a tube 10 is connected to the top of the frame 9, the tube 10 is communicated with the frame 9, a piston 11 is movably connected to the inner wall of the tube 10, a telescopic tube 12 is connected between the piston 11 and the inner wall of the tube 10, a second elastic element 121 is sleeved on the outer wall of the telescopic tube 12, the second elastic element 121 is disposed between the inner wall of, the air outlet 13 is arranged above the heat dissipation holes 102, and the inner walls of the air outlet 13, the heat dissipation holes 102 and the air inlet 101 are all connected with a filter screen 14; because the screw 7 is in threaded connection with the moving plate 2, in the process that the electric telescopic rod 6 drives the moving plate 2 to move up and down, the screw 7 rotates on the top wall inside the shell 1 through the bearing, when the moving plate 2 moves down, the fan blades 403 gradually move towards the bottom of the shell 1 and continuously blow air towards the right side, so that the air in the shell 1 is discharged from the heat dissipation hole 102 on the right side, the air circulation inside the shell 1 is completed, the internal heat is reduced, but part of hot air gradually rises to the upper area inside the shell 1, therefore, when the moving plate 2 moves down, the screw 7 drives the winding wheel 701 to rotate, the winding wheel 701 tightens the pull rope 7011, the piston 11 is pulled by the pull rope 7011, the piston 11 extrudes the air inside the pipe body 10 into the frame 9, and then the air at the opening of the frame 9 extrudes the hot air above the inside the shell 1 and is discharged, the phenomenon that the parts are heated unevenly due to the fact that a large amount of heat is accumulated on the top of the shell 1 and the use of the parts is affected is avoided, when the moving plate 2 moves upwards, the screw rod 7 rotates reversely and drives the winding wheel 701 to rotate, the pull rope 7011 is loosened, the piston 11 returns to the original position under the action of the second elastic element 121, and the air in the pipe body 10 is extruded again when the moving plate 2 moves downwards next time.

The invention also discloses a processing technology of the sand casting aluminum alloy communication shell, which comprises the following steps:

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a sand casting aluminum alloy communication shell, includes casing (1), casing (1) both sides outer wall is opened respectively and is dug air intake (101) and louvre (102), its characterized in that, casing (1) inner wall connection has movable plate (2), movable plate (2) outer wall is opened and is dug first recess (201), first recess (201) inner wall connection has annular rack board (2011), movable plate (2) outer wall sliding connection has mount (202), mount (202) inner wall is connected with first motor (3) and second motor (4) respectively, the output of first motor (3) is connected with first pivot (301), the one end that first motor (3) were kept away from in first pivot (301) is connected with first gear (302) of mutually supporting with annular rack board (2011), second motor (4) outer wall connection has second pivot (401), one end, far away from the second motor (4), of the second rotating shaft (401) is connected with a disc (402), and fan blades (403) are connected to the outer wall of the disc (402).

2. The sand-cast aluminum alloy communication shell as recited in claim 1, wherein a first sliding block (2021) is connected to an outer wall of the fixed frame (202), and a first sliding groove (203) matched with the first sliding block (2021) is chiseled on an outer wall of the moving plate (2).

3. The sand-cast aluminum alloy communication shell as claimed in claim 2, wherein an electric telescopic rod (6) is connected between the moving plate (2) and the shell (1), the moving plate (2) is slidably connected to the inner wall of the shell (1), the outer wall of the moving plate (2) is connected with a second sliding block (204), and a second sliding groove (15) matched with the second sliding block (204) is formed in the inner wall of the shell (1).

4. The sand-cast aluminum alloy communication shell according to claim 3, wherein two fixing plates (5) are connected to the outer wall of the moving plate (2), a control switch (501) is connected to the outer walls of the two fixing plates (5), two first elastic elements (502) are further connected to the outer walls of the fixing plates (5), the two first elastic elements (502) are respectively arranged on two sides of the control switch (501), a pressing plate (503) is connected to one end, away from the moving plate (2), of each first elastic element (502), and the pressing plate (503) movably abuts against the control switch (501).

5. The sand-cast aluminum alloy communication housing as claimed in claim 4, wherein the two control switches (501) are electrically connected to the electric telescopic rod (6).

6. The sand-cast aluminum alloy communication shell as claimed in any one of claims 1 to 5, wherein a lead screw (7) is rotatably connected to the inner wall of the top of the shell (1) through a bearing, the lead screw (7) is in threaded connection with the moving plate (2), a reel (701) is connected to the outer wall of the lead screw (7), and a pull rope (7011) is sleeved on the outer wall of the reel (701).

7. The sand-cast aluminum alloy communication shell according to claim 6, wherein the connecting rods (8) are connected to two sides of the inner wall of the shell (1), the frame (9) is connected between the two connecting rods (8), the top of the frame (9) is connected with the pipe body (10), the pipe body (10) is communicated with the frame (9), the piston (11) is movably connected to the inner wall of the pipe body (10), the telescopic pipe (12) is connected between the piston (11) and the inner wall of the pipe body (10), the outer wall of the telescopic pipe (12) is sleeved with the second elastic element (121), the second elastic element (121) is arranged between the inner wall of the pipe body (10) and the piston (11), and one end of the pull rope (7011) far away from the reel (701) is connected to the outer wall of the piston (11).

8. The sand-cast aluminum alloy communication shell as claimed in claim 7, wherein the outer wall of the shell (1) is further provided with an air outlet (13), and the air outlet (13) is disposed above the heat dissipation hole (102).

9. The sand-cast aluminum alloy communication shell according to claim 8, wherein the inner walls of the air outlet (13), the heat dissipation holes (102) and the air inlet (101) are connected with a filter screen (14).

10. A processing technology of a sand casting aluminum alloy communication shell is characterized by comprising the following steps: