CN109696661A - Radar aluminium die casting shell and its production method - Google Patents
Radar aluminium die casting shell and its production method Download PDFInfo
- Publication number
- CN109696661A CN109696661A CN201811547039.XA CN201811547039A CN109696661A CN 109696661 A CN109696661 A CN 109696661A CN 201811547039 A CN201811547039 A CN 201811547039A CN 109696661 A CN109696661 A CN 109696661A
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- Prior art keywords
- die casting
- radar
- cover board
- shell
- test
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- 238000004512 die casting Methods 0.000 title claims abstract description 63
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 42
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 239000004411 aluminium Substances 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000000463 material Substances 0.000 claims description 27
- 238000012360 testing method Methods 0.000 claims description 27
- 238000003723 Smelting Methods 0.000 claims description 25
- 238000002844 melting Methods 0.000 claims description 22
- 230000008018 melting Effects 0.000 claims description 22
- 239000002994 raw material Substances 0.000 claims description 18
- 239000003795 chemical substances by application Substances 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 15
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 238000003801 milling Methods 0.000 claims description 9
- 238000004806 packaging method and process Methods 0.000 claims description 9
- 238000010586 diagram Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 7
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 6
- 230000007547 defect Effects 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 230000001788 irregular Effects 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 4
- 229910052580 B4C Inorganic materials 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 3
- 208000037656 Respiratory Sounds Diseases 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000012669 compression test Methods 0.000 claims description 3
- 239000012141 concentrate Substances 0.000 claims description 3
- 239000000470 constituent Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 230000002950 deficient Effects 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 238000002386 leaching Methods 0.000 claims description 3
- 238000011068 loading method Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- 239000010451 perlite Substances 0.000 claims description 3
- 235000019362 perlite Nutrition 0.000 claims description 3
- 229910052700 potassium Inorganic materials 0.000 claims description 3
- 239000011591 potassium Substances 0.000 claims description 3
- 239000001103 potassium chloride Substances 0.000 claims description 3
- 235000011164 potassium chloride Nutrition 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000003908 quality control method Methods 0.000 claims description 3
- 238000010008 shearing Methods 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims description 3
- 238000011179 visual inspection Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 238000012986 modification Methods 0.000 claims description 2
- 230000004048 modification Effects 0.000 claims description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 2
- 235000011152 sodium sulphate Nutrition 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims 1
- 238000001746 injection moulding Methods 0.000 abstract description 7
- 238000000465 moulding Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000003818 cinder Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007499 fusion processing Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/027—Constructional details of housings, e.g. form, type, material or ruggedness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses radar aluminium die casting shell and its production methods, solve during die cast that air bubble content is high in part, part compactness is low, cause the ropy problem of shaped article, it includes die cast plate, the surrounding integrated molding of the die cast plate is fixed with inside vertically extending cover board, locating slot is offered at the top center of cover board, the outer wall of cover board is symmetrically opened up there are four card slot, the inside of cover board is equidistant to offer several first through hole, the correspondence two sides side of cover board forms support plate, and the second through-hole is offered in support plate, it is integrally formed at the top side center of cover board and is fixed with flange.Structure of the invention is novel, is skillfully constructed, can effectively avoid generating bubble during injection molding, reduce the air vent content of die casting, improve die casting consistency, the quality of die casting is effectively guaranteed.
Description
Technical field
The present invention relates to radar shell field shaping techniques, specially radar aluminium die casting shell and its production method.
Background technique
Radar is the transliteration of English Radar, and derived from the abbreviation of radio detection and ranging, looking like is
" radio detection and ranging " finds target with the method for radio and measures their spatial position.Therefore, radar also by
Referred to as " radio-positioning ".Radar is the electronic equipment using electromagnetic wave detection target.Radar emission electromagnetic wave carries out target
Irradiate and receive its echo, thus to obtain the distance of target to electromagnetic emission point, range rate (radial velocity), orientation,
The information such as height.The shell of radar generally requires and is provided simultaneously with two kinds of functions of electromagnetic shielding and heat dissipation.But the prior art produces
Radar shell poor radiation out, structural strength is low, and therefore, designing a kind of radar aluminium die casting shell and its production method is very
It is necessary to.
Summary of the invention
For above situation, to overcome the shortcomings of existing technologies, the present invention provides radar aluminium die casting shell and its producer
Method, air bubble content is high in part during effective solution die cast, and part compactness is low, cause shaped article of poor quality
The problem of.
To achieve the above object, the invention provides the following technical scheme: the present invention provides radar aluminium die casting shell, including pressure
Cast panel, the surrounding integrated molding of the die cast plate are fixed with inside vertically extending cover board, offer at the top center of cover board
Locating slot, the outer wall of cover board are symmetrically opened up there are four card slot, and the inside of cover board is equidistant to offer several first through hole, lid
The correspondence two sides side of plate forms support plate, and the second through-hole is offered in support plate, one at the top side center of cover board
It is body formed to be fixed with flange.
According to the above technical scheme, the bottom center insertion of the cover board is equipped with connector, and connector and cover board
It is integrally formed, the side on die cast plate close to connector is provided with outwardly extending trapezoidal concave station, and trapezoidal concave station and connector
It is connected.
According to the above technical scheme, the side on the die cast plate close to trapezoidal concave station is provided with vertically extending straight outward
Angle groove, and be located at and correspond to the side of right angle groove on die cast plate and offer heat release hole, the side of heat release hole is provided with inwardly vertical
The square boss directly extended is reinforced between heat release hole and right angle groove integrally formed with irregular at the center of die cast plate
Muscle.
According to the above technical scheme, the heat release hole is provided at the center of the round radiating groove opened up on die cast plate.
According to the above technical scheme, the bottom interior wall of the locating slot is lined with gasket, and gasket is a kind of rubber material
Expect component.
According to the above technical scheme, insertion is equipped with barricade, and barricade and pressure at the top center of the die cast plate
Cast panel is integrally formed.
Radar aluminium die casting shell production method, includes the following steps:
S1, Incoming Quality Control: to the samples of raw material carry out metal machinery intensity detection, yield strength, elongation percentage, bend test,
Rockwell intensity, tensile strength break loading, stress relaxation test, the test of zinc-plated measurement examination adhesive force, the test of leaching copper, high/low temperature drawing
The test of test, compression test, shearing test and torsion test is stretched, to determine qualified raw material；
S2, material storage: selecting and purchasing the qualified raw material of detection, and by the warehouse of raw material classification storage, checks quantity, carry out
Mark, it is spare；
S3, it concentrates melting: melting in smelting furnace will be added containing the raw material of element needed for melting, melting is sufficiently molten into raw material
After state, the 0.3-0.4wt% that addition smelting agent, i.e. smelting agent dosage are molten aluminum total weight, in the case where revolving speed is 3000-3500r/min
Continue melting 20-30min, acts on smelting agent sufficiently with molten metal bath, after standing, remove aluminium slag, extract a certain amount of conjunction out
Golden sample, carries out filament stretching, fracture examination, alternating bending, bidirectional torsion, hydraulic test performance detection, it is qualified after by molten aluminum
It is transferred to production line；
S4, die casting: molten aluminum is injected into radar outer casing mold by the way of cast cold, the air content of molten aluminum is reached
0.05~0.08cm3/ 100g, first progress slow shot, speed are 0.25~0.55m/s, when the stroke of injection punch head is 250
When~290mm, starts progress fast shot and fill type, injection filling velocity is 8m/s, and injection punch head stroke is opened when being 60~120mm
Beginning vacuumizes, and the control pumpdown time is 0.6~1.8s, stops vacuumizing when injection punch head stroke is 300~800mm, into
Row pressurization feeding, makes the 90~120MPa of pressure for acting on molten aluminum, obtains radar shell die casting；
S5, it removes material removal head: material removal head is gone using special radar set shell jig, and collect the material head after removal, material head is collected
Middle melting, makes material head be smelted into molten aluminum, can reuse；
S6, it examines appearance: appearance detection being carried out to the radar shell die casting for removing material removal head, makes product overall appearance without deformation,
The defects of crackle, no cold shut, piebald, sticking to mould, does not allow plucking in slot, draws and lacks equal defects of die casting, and mark is correct, does not glue clearly
Mould, without drawing trace in hole, deficient casting can not, cored hole bending can not, mandril 0~0.5mm of mark is full by the removal for the condition that is unsatisfactory for
The carry out next step of sufficient condition；
S7, it removes flash removed: gently removing die joint burr, buckle inner wall burr, square hole burr and two sides aperture using smooth file
Burr, in the burr using standard stopper removal through-hole wall, whether visual inspection burr is removed completely, and qualified products are neat
Put white turnover box；
S8, milling face and drilling: being fixed radar shell die casting with fixture, using milling cutter and drill bit to radar shell die casting into
The speed of mainshaft of row processing, milling cutter and drill bit is 2500r/min, and the amount of feeding is 150 mm/min；
S9, cleaning and drying: being immersed in the water spin rinse for radar shell die casting, until die casting surface washing is clean, connects
By in the radar shell die casting of rinsed clean investment drying box, radar shell die casting is dried using high speed hot wind
15~20min is dried in processing at 60~85 DEG C；
S10, product inspection: being carefully placed on product in cubing, with the clearance gauge of 0.1mm, fills in red frame plane, what clearance gauge cannot be filled in
Product is considered as qualified products；
S11, packaging: operator must wear gloves and carry out operation on clean corrugation liner plate, and first folder shelves are put in order
It puts into carton, then qualified product is placed in folder shelves space, put product according to packaging schematic diagram, be finally packaged envelope
Case, and stick shipping mark；
S12, warehousing finished products: the product warehousing after packaging is stored.
According to the above technical scheme, it is respectively 12- that the preparation method of smelting agent, which is by constituent content, in the step S3
The potassium chloride of 19wt%, the potassium fluoborate of 6-8wt%, the modified expanded perlite of 5-8wt%, the boron carbide of 18-22wt%, 20-
The sodium sulphate of 30wt% and the aluminum oxide of 3-6wt% are added in smelting furnace in order, and melting furnace to smelting temperature is
1000-1050 DEG C, makes material be completely melt to mix in the case where revolving speed is 2000-2500 r/min, smelting agent is made.
The present invention can effectively promote the heat dissipation performance of radar shell, and in die cast plate by the heat release hole of setting
Die cast has irregular reinforcing rib at center, can effectively promote the intensity of radar shell, effectively promotes radar shell
Service life, while entirety uses injection molding, manufactures it and is more easier, and convenient for promoting manufacturing speed, is promoted and is processed
Efficiency, while smelting agent is added with during injection molding, the mobility of aluminum water in fusion process can be effectively promoted, is reduced
The stomata and cinder hole of finished product cast so as to effectively promote the quality of die casting, and improve die-casting process, can have
Effect avoids generating bubble during injection molding, reduces the air vent content of die casting, improves die casting consistency, effectively
It ensure that the quality of die casting.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is whole three dimensional structure diagram of the invention；
Fig. 2 is whole positive structure diagram of the invention；
Fig. 3 is whole overlooking structure diagram of the invention；
Fig. 4 is radar aluminium die casting shell die-casting process flow diagram of the present invention；
Figure label: 1, die cast plate；2, heat release hole；3, square boss；4, first through hole；5, flange；6, locating slot；7, card slot；
8, the second through-hole；9, right angle groove；10, irregular reinforcing rib；11, connector；12, trapezoidal concave station；13, cover board；14, it supports
Plate；15, barricade.
Specific embodiment
1-4 is described in further details a specific embodiment of the invention with reference to the accompanying drawing.
Provided by Fig. 1-4, the present invention provides radar aluminium die casting shell, including die cast plate 1, the surrounding one of die cast plate 1 at
Type is fixed with inside vertically extending cover board 13, offers locating slot 6 at the top center of cover board 13, the outer wall of cover board 13 is symmetrical
Card slot 7 there are four opening up, the inside of cover board 13 is equidistant to offer several first through hole 4, the correspondence two sides side of cover board 13
Support plate 14 is formed, and offers the second through-hole 8 in support plate 14, is integrally formed and fixes at the top side center of cover board 13
There is flange 5.
According to the above technical scheme, the bottom center insertion of cover board 13 is equipped with connector 11, and connector 11 and lid
Plate 13 is integrally formed, and the side on die cast plate 1 close to connector 11 is provided with outwardly extending trapezoidal concave station 12, and trapezoidal concave station
12 are connected with connector 11.
According to the above technical scheme, the side on die cast plate 1 close to trapezoidal concave station 12 is provided with vertically extending straight outward
Angle groove 9, and be located at and correspond to the side of right angle groove 9 on die cast plate 1 and offer heat release hole 2, the side of heat release hole 2 be provided with to
Interior vertically extending square boss 3, integrally formed with not advising between heat release hole 2 and right angle groove 9 at the center of die cast plate 1
Then reinforcing rib 10.
According to the above technical scheme, heat release hole 2 is provided at the center of the round radiating groove opened up on die cast plate 1.
According to the above technical scheme, the bottom interior wall of locating slot 6 is lined with gasket, and gasket is a kind of rubber material structure
Part.
According to the above technical scheme, insertion is equipped with barricade 15, and barricade 15 and pressure at the top center of die cast plate 1
Cast panel 1 is integrally formed.
Radar aluminium die casting shell production method, includes the following steps:
S1, Incoming Quality Control: to the samples of raw material carry out metal machinery intensity detection, yield strength, elongation percentage, bend test,
Rockwell intensity, tensile strength break loading, stress relaxation test, the test of zinc-plated measurement examination adhesive force, the test of leaching copper, high/low temperature drawing
The test of test, compression test, shearing test and torsion test is stretched, to determine qualified raw material；
S2, material storage: selecting and purchasing the qualified raw material of detection, and by the warehouse of raw material classification storage, checks quantity, carry out
Mark, it is spare；
S3, it concentrates melting: melting in smelting furnace will be added containing the raw material of element needed for melting, melting is sufficiently molten into raw material
After state, the 0.3-0.4wt% that addition smelting agent, i.e. smelting agent dosage are molten aluminum total weight, in the case where revolving speed is 3000-3500r/min
Continue melting 20-30min, acts on smelting agent sufficiently with molten metal bath, after standing, remove aluminium slag, extract a certain amount of conjunction out
Golden sample, carries out filament stretching, fracture examination, alternating bending, bidirectional torsion, hydraulic test performance detection, it is qualified after by molten aluminum
It is transferred to production line；
S4, die casting: molten aluminum is injected into radar outer casing mold by the way of cast cold, the air content of molten aluminum is reached
0.05~0.08cm3/ 100g, first progress slow shot, speed are 0.25~0.55m/s, when the stroke of injection punch head is 250
When~290mm, starts progress fast shot and fill type, injection filling velocity is 8m/s, and injection punch head stroke is opened when being 60~120mm
Beginning vacuumizes, and the control pumpdown time is 0.6~1.8s, stops vacuumizing when injection punch head stroke is 300~800mm, into
Row pressurization feeding, makes the 90~120MPa of pressure for acting on molten aluminum, obtains radar shell die casting；
S5, it removes material removal head: material removal head is gone using special radar set shell jig, and collect the material head after removal, material head is collected
Middle melting, makes material head be smelted into molten aluminum, can reuse；
S6, it examines appearance: appearance detection being carried out to the radar shell die casting for removing material removal head, makes product overall appearance without deformation,
The defects of crackle, no cold shut, piebald, sticking to mould, does not allow plucking in slot, draws and lacks equal defects of die casting, and mark is correct, does not glue clearly
Mould, without drawing trace in hole, deficient casting can not, cored hole bending can not, mandril 0~0.5mm of mark is full by the removal for the condition that is unsatisfactory for
The carry out next step of sufficient condition；
S7, it removes flash removed: gently removing die joint burr, buckle inner wall burr, square hole burr and two sides aperture using smooth file
Burr, in the burr using standard stopper removal through-hole wall, whether visual inspection burr is removed completely, and qualified products are neat
Put white turnover box；
S8, milling face and drilling: being fixed radar shell die casting with fixture, using milling cutter and drill bit to radar shell die casting into
The speed of mainshaft of row processing, milling cutter and drill bit is 2500r/min, and the amount of feeding is 150 mm/min；
S9, cleaning and drying: being immersed in the water spin rinse for radar shell die casting, until die casting surface washing is clean, connects
By in the radar shell die casting of rinsed clean investment drying box, radar shell die casting is dried using high speed hot wind
15~20min is dried in processing at 60~85 DEG C；
S10, product inspection: being carefully placed on product in cubing, with the clearance gauge of 0.1mm, fills in red frame plane, what clearance gauge cannot be filled in
Product is considered as qualified products；
S11, packaging: operator must wear gloves and carry out operation on clean corrugation liner plate, and first folder shelves are put in order
It puts into carton, then qualified product is placed in folder shelves space, put product according to packaging schematic diagram, be finally packaged envelope
Case, and stick shipping mark；
S12, warehousing finished products: the product warehousing after packaging is stored.
According to the above technical scheme, it is respectively 12-19wt%'s that the preparation method of smelting agent, which is by constituent content, in step S3
Potassium chloride, the potassium fluoborate of 6-8wt%, the modified expanded perlite of 5-8wt%, the boron carbide of 18-22wt%, 20-30wt% sulphur
The aluminum oxide of sour sodium and 3-6wt% are added in smelting furnace in order, and melting furnace to smelting temperature is 1000-1050 DEG C,
Make material be completely melt to mix in the case where revolving speed is 2000-2500 r/min, smelting agent is made.
The present invention can effectively promote the heat dissipation performance of radar shell, and in die cast plate 1 by the heat release hole 2 of setting
Center at die cast have irregular reinforcing rib 10, can effectively promote the intensity of radar shell, effectively promoted radar outside
The service life of shell, while entirety uses injection molding, manufactures it and is more easier, and convenient for promoting manufacturing speed, is promoted
Processing efficiency, while smelting agent is added with during injection molding, the mobility of aluminum water in fusion process can be effectively promoted, is subtracted
Lack the stomata and cinder hole of finished product cast, so as to effectively promote the quality of die casting, and die-casting process improved,
It can effectively avoid generating bubble during injection molding, reduce the air vent content of die casting, improve die casting consistency, have
The quality that ensure that die casting of effect.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (8)
1. radar aluminium die casting shell, including die cast plate (1), which is characterized in that the surrounding of the die cast plate (1), which is integrally formed, fixes
There is inside vertically extending cover board (13), is offered locating slot (6) at the top center of cover board (13), the outer wall pair of cover board (13)
Title is opened up there are four card slot (7), and the inside of cover board (13) is equidistant to offer several first through hole (4), pair of cover board (13)
It answers two sides side to form support plate (14), and offers the second through-hole (8) in support plate (14), the top side of cover board (13)
It is integrally formed at center and is fixed with flange (5).
2. radar aluminium die casting shell according to claim 1, which is characterized in that the bottom center of the cover board (13) is embedding
Enter to be equipped with connector (11), and connector (11) and cover board (13) are integrally formed, close to connector (11) on die cast plate (1)
Side is provided with outwardly extending trapezoidal concave station (12), and trapezoidal concave station (12) is connected with connector (11).
3. radar aluminium die casting shell according to claim 1, which is characterized in that close to trapezoidal recessed on the die cast plate (1)
The side of platform (12) is provided with outside vertically extending right angle groove (9), and is located on die cast plate (1) and corresponds to right angle groove (9)
Side offer heat release hole (2), the side of heat release hole (2) is provided with inside vertically extending square boss (3), die cast plate
(1) integrally formed with irregular reinforcing rib (10) between heat release hole (2) and right angle groove (9) at center.
4. radar aluminium die casting shell according to claim 3, which is characterized in that the heat release hole (2) is provided with die cast plate
(1) at the center of the round radiating groove opened up on.
5. radar aluminium die casting shell according to claim 1, which is characterized in that the bottom interior wall pad of the locating slot (6)
There is gasket, and gasket is a kind of rubber material component.
6. radar aluminium die casting shell according to claim 1, which is characterized in that at the top center of the die cast plate (1)
Insertion is equipped with barricade (15), and barricade (15) and die cast plate (1) are integrally formed.
7. radar aluminium die casting shell production method, which comprises the steps of:
S1, Incoming Quality Control: to the samples of raw material carry out metal machinery intensity detection, yield strength, elongation percentage, bend test,
Rockwell intensity, tensile strength break loading, stress relaxation test, the test of zinc-plated measurement examination adhesive force, the test of leaching copper, high/low temperature drawing
The test of test, compression test, shearing test and torsion test is stretched, to determine qualified raw material；
S2, material storage: selecting and purchasing the qualified raw material of detection, and by the warehouse of raw material classification storage, checks quantity, carry out
Mark, it is spare；
S3, it concentrates melting: melting in smelting furnace will be added containing the raw material of element needed for melting, melting is sufficiently molten into raw material
After state, the 0.3-0.4wt% that addition smelting agent, i.e. smelting agent dosage are molten aluminum total weight, in the case where revolving speed is 3000-3500r/min
Continue melting 20-30min, acts on smelting agent sufficiently with molten metal bath, after standing, remove aluminium slag, extract a certain amount of conjunction out
Golden sample, carries out filament stretching, fracture examination, alternating bending, bidirectional torsion, hydraulic test performance detection, it is qualified after by molten aluminum
It is transferred to production line；
S4, die casting: molten aluminum is injected into radar outer casing mold by the way of cast cold, the air content of molten aluminum is reached
0.05~0.08cm3/ 100g, first progress slow shot, speed are 0.25~0.55m/s, when the stroke of injection punch head is 250
When~290mm, starts progress fast shot and fill type, injection filling velocity is 8m/s, and injection punch head stroke is opened when being 60~120mm
Beginning vacuumizes, and the control pumpdown time is 0.6~1.8s, stops vacuumizing when injection punch head stroke is 300~800mm, into
Row pressurization feeding, makes the 90~120MPa of pressure for acting on molten aluminum, obtains radar shell die casting；
S5, it removes material removal head: material removal head is gone using special radar set shell jig, and collect the material head after removal, material head is collected
Middle melting, makes material head be smelted into molten aluminum, can reuse；
S6, it examines appearance: appearance detection being carried out to the radar shell die casting for removing material removal head, makes product overall appearance without deformation,
The defects of crackle, no cold shut, piebald, sticking to mould, does not allow plucking in slot, draws and lacks equal defects of die casting, and mark is correct, does not glue clearly
Mould, without drawing trace in hole, deficient casting can not, cored hole bending can not, mandril 0~0.5mm of mark is full by the removal for the condition that is unsatisfactory for
The carry out next step of sufficient condition；
S7, it removes flash removed: gently removing die joint burr, buckle inner wall burr, square hole burr and two sides aperture using smooth file
Burr, in the burr using standard stopper removal through-hole wall, whether visual inspection burr is removed completely, and qualified products are neat
Put white turnover box；
S8, milling face and drilling: being fixed radar shell die casting with fixture, using milling cutter and drill bit to radar shell die casting into
The speed of mainshaft of row processing, milling cutter and drill bit is 2500r/min, and the amount of feeding is 150 mm/min；
S9, cleaning and drying: being immersed in the water spin rinse for radar shell die casting, until die casting surface washing is clean, connects
By in the radar shell die casting of rinsed clean investment drying box, radar shell die casting is dried using high speed hot wind
15~20min is dried in processing at 60~85 DEG C；
S10, product inspection: being carefully placed on product in cubing, with the clearance gauge of 0.1mm, fills in red frame plane, what clearance gauge cannot be filled in
Product is considered as qualified products；
S11, packaging: operator must wear gloves and carry out operation on clean corrugation liner plate, and first folder shelves are put in order
It puts into carton, then qualified product is placed in folder shelves space, put product according to packaging schematic diagram, be finally packaged envelope
Case, and stick shipping mark；
S12, warehousing finished products: the product warehousing after packaging is stored.
8. radar aluminium die casting shell production method according to claim 7, which is characterized in that smelting agent in the step S3
Preparation method be respectively that the potassium chloride of 12-19wt%, the potassium fluoborate of 6-8wt%, the modification of 5-8wt% are swollen by constituent content
Swollen perlite, the boron carbide of 18-22wt%, the sodium sulphate of 20-30wt% and 3-6wt% aluminum oxide melting is added in order
In furnace, melting furnace to smelting temperature is 1000-1050 DEG C, keeps material completely molten in the case where revolving speed is 2000-2500 r/min
Change mixing, smelting agent is made.
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Cited By (1)
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Address after: No. 188, Tonghui Road, Jiangbei District, Ningbo City, Zhejiang Province (the first floor of Building 5) Applicant after: Ningbo Fande Precision Technology Co.,Ltd. Address before: 315000 No. 20 lane, Jiangbei Road, Jiangbei District, Ningbo, Zhejiang, China 200 Applicant before: NINGBO FOUNDERS DIE-CASTING Co.,Ltd. |
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Application publication date: 20190430 |