CN109811216A - A kind of production technology of automobile heat-and corrosion-resistant aluminium alloy extrusions - Google Patents
A kind of production technology of automobile heat-and corrosion-resistant aluminium alloy extrusions Download PDFInfo
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- CN109811216A CN109811216A CN201910275422.2A CN201910275422A CN109811216A CN 109811216 A CN109811216 A CN 109811216A CN 201910275422 A CN201910275422 A CN 201910275422A CN 109811216 A CN109811216 A CN 109811216A
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Abstract
The invention discloses a kind of production technologies of automobile heat-and corrosion-resistant aluminium alloy extrusions, including raw material preparation-shove charge melting-quenching extruding-finished product extruding-finished product polishing-oxidation processing technique step, aluminium alloy stock to be processed is utilized respectively disintegrating apparatus and is ground into powder, using mixing plant by smashed powder concentrated compactness.The present invention cooperates hydraulic stem by the way that expansion bracket is arranged between the first winding up roller and the second winding up roller on the first workpiece polishing mechanism and the second workpiece polishing mechanism on grinding apparatus, facilitate the height adjustment of workpiece polishing mechanism, it is convenient to make adjustment to the aluminium alloy of different size, the left and right translation of stock shelf may be implemented using movement of the rolling bar in clamping sliding rail, and rolling bar enters arc groove and can adjust stock shelf to inclination later, facilitate feeding, aluminium alloy is guided using directing plate in discharging, so that discharging is convenient, and cleaning treatment can be carried out to aluminum alloy surface by agreeing with frame inboard friction block.
Description
Technical field
The present invention relates to fields of aluminum alloy manufacturing, and in particular to a kind of production of automobile heat-and corrosion-resistant aluminium alloy extrusions
Technique.
Background technique
Aluminium alloy is most widely used one kind non-ferrous metal structural material in industry, in Aeronautics and Astronautics, automobile, machinery
It has been widely applied in manufacture, ship and chemical industry, the rapid development of industrial economy, the demand day to aluminum alloy piping welding structural member
Benefit increases, and the Research on Weldability enabled aluminum alloy to is also goed deep into therewith, and aluminium alloy is using most alloys, aluminium alloy density at present
It is low, but intensity is relatively high, and near or above high-quality steel, plasticity is good, can be processed into various profiles, has excellent electric conductivity, leads
Hot and corrosion stability, is industrially widely used, and usage amount is only second to steel, with advances in technology with development, aluminium alloy manufacture work
Skill is also more and more mature, and the quality of aluminium alloy becomes to become better and better.
There are certain drawbacks in process of production in the production technology of existing automobile heat-and corrosion-resistant aluminium alloy extrusions,
For existing aluminium alloys for automobile profile in production, the used functions of the equipments polished aluminum alloy surface are more simple
It is single, and modulability is low, workpiece polishing mechanism can not make flexibly adjustment according to the specification size of aluminium alloy, and in aluminium alloy feeding
When, feed mechanism is single, causes feeding more inconvenient, in discharging, does not have preferable guiding function, and can not close to aluminium
Gold surface carries out cleaning treatment, causes polishing toxic effect fruit more general, causes to a certain extent to aluminium alloy polishing certain
Influence.
Summary of the invention
The purpose of the present invention is to provide a kind of production technologies of automobile heat-and corrosion-resistant aluminium alloy extrusions, can solve
For existing aluminium alloys for automobile profile in production, the used functions of the equipments polished aluminum alloy surface are more simple
It is single, and modulability is low, workpiece polishing mechanism can not make flexibly adjustment according to the specification size of aluminium alloy, and in aluminium alloy feeding
When, feed mechanism is single, causes feeding more inconvenient, in discharging, does not have preferable guiding function, and can not close to aluminium
Gold surface carries out cleaning treatment, leads to the more general problem of toxic effect fruit of polishing.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of production technology of automobile heat-and corrosion-resistant aluminium alloy extrusions, including raw material preparation-shove charge melting-quenching
Extruding-finished product extruding-finished product polishing-oxidation processing technique step, the specific steps are as follows:
Step 1: aluminium alloy stock to be processed is utilized respectively disintegrating apparatus and is ground into powder, utilizes stirring by raw material preparation
Smashed powder concentrated compactness is controlled whipping temp by equipment, and mixing plant uniformly makes smashed powder concentrated compactness
Aluminium alloy mixed-powder is obtained, the powder stirred evenly is uniformly put into collection vessel；
Step 2: aluminium alloy mixed-powder is put into heating furnace and is heated by shove charge melting, and it is mixed to be heated to aluminium alloy
It closes powder to be completely melt, heating furnace is closed, stop heating；
Step 3: quenching squeezes, and the aluminium alloy after tentatively solidifying in step 3 is taken out, is put into glowing furnace and quenches
Fire processing, the temperature of glowing furnace is 1500-1700 DEG C, cool time 1.2-1.5h, after quenching finishes, utilizes cooling equipment
Cooling treatment is carried out to aluminium alloy, after being cooled down completely to aluminium alloy, aluminium alloy after cooling is taken out；
Step 4: finished product squeezes, and aluminium alloy after cooling is carried out extrusion forming using extrusion equipment, the aluminium needed is made
Alloy shape；
Step 5: aluminium alloy after extruding is put into grinding apparatus, removes aluminium using grinding apparatus by finished product polishing
The burr and convex block of alloy surface；
Step 6: aluminium alloy is placed in electrolyte by oxidation processes, and alkaline oxygenated solution is added in the electrolytic solution, benefit
Electrolyte is electrolysed with electrolysis installation.
Preferably, aluminium alloy mixed-powder described in step 1 includes following ingredient: aluminium, copper, iron, nickel, manganese and titanium, on
It states in ingredient, the parts by weight of each ingredient are as follows: 8-10 parts of aluminium, 1-2 parts of copper, 0.1-0.5 parts of iron, 0.3-0.5 parts of nickel, manganese 1-1.2
Part, 0.8-1.4 part of titanium, when stirring of the mixing plant a length of 0.5-0.8h, whipping temp control is at 10-15 DEG C.
Preferably, the heating temperature of heating furnace described in step 2 is 1670-1700 DEG C, when the heating of the heating furnace
Between be 1-2h.
Preferably, the ingredient of alkaline oxygenated solution described in step 6 includes: sodium carbonate, sodium chromate and hydroxide
Sodium, in mentioned component, the parts by weight of each ingredient are as follows: 4-6 parts of sodium carbonate, 2-3 parts of sodium chromate, 5-7 parts of sodium hydroxide.
Preferably, grinding apparatus described in step 5 includes support base, and the upper surface of the support base is equipped with motor housing,
And the front surface of support base is equipped with power supply box by side, the upper surface of the motor housing is equipped with operation cabinet, and operation cabinet
Front surface is equipped with maintenance door, and the side of the support base is provided with first support, and the upper surface of first support be provided with into
Expect frame, the other side of the support base is provided with second support, and the upper surface of the second support is provided with discharge rack, it is described go out
The side linking of material frame has directing plate；
The inside of the operation cabinet is equipped with the first workpiece polishing mechanism, the second workpiece polishing mechanism and conveyer belt, first polishing
Mechanism and the second workpiece polishing mechanism are arranged in parallel, and the conveyer belt is mounted on the lower section of the first workpiece polishing mechanism and the second workpiece polishing mechanism,
The surface of first workpiece polishing mechanism and the second workpiece polishing mechanism is provided with polishing abrasive band；
First workpiece polishing mechanism includes the first winding up roller and the second winding up roller, is connected between first winding up roller and the second winding up roller
There is expansion bracket, hydraulic stem is provided in the middle part of the expansion bracket, and reinforcing cross bar is installed on the inside of hydraulic stem.
Preferably, the front surface and rear surface of the feeding rack and first support joining place are provided with clamping sliding rail, institute
It states to offer on the inside of the front surface and rear surface of feeding rack and agrees with sliding slot, the interior side for agreeing with sliding slot is equipped with circle
Guide rod, is connected with several rolling bars between the front surface and rear surface of the feeding rack, the rear surface of the clamping sliding rail opens up
The clamping groove for having and agreeing with sliding slot and mutually agreeing with, one end of the clamping groove is provided with arc groove；
The side of the directing plate is provided with cohesive frame, and the inner surface of cohesive frame is bonded with friction block, the cohesive frame
Translational block is installed with the junction of directing plate.
Preferably, the motor housing is internally provided with two groups of motors, two groups of motors respectively with the first workpiece polishing mechanism and
Belt connection is provided between two workpiece polishing mechanisms.
Preferably, the inner diameter size of the diameter and clamping groove of the round guide rod is mutually agreed with, and the outer diameter of clamping groove
Size is mutually agreed with the inner diameter size for agreeing with sliding slot.
Preferably, the surface of the directing plate offers the translation slot mutually agreed with translational block, and one end of directing plate is in
Arcuation is obliquely installed.
Preferably, steps are as follows for the use of the grinding apparatus:
Aluminium alloy to be polished: being placed on feeding rack by step 1 first, by the rolling bar on feeding rack by aluminium alloy
It is sent in operation cabinet, under the action of conveyer belt, aluminium alloy is mobile to the direction of discharge rack；
Step 2: aluminium alloy is sent to the lower section of the first workpiece polishing mechanism by conveyer belt, and the first workpiece polishing mechanism is in motor housing
Under the motor effect in portion, the rotation of the first winding up roller is driven by belt, then the rotation of the second winding up roller is moved by first volume roller strap, be located at the first volume
The polishing abrasive band that roller strap moves volume Two roller surface also rotates with it, by the aluminium alloy and polishing sand of the lower section of the first workpiece polishing mechanism
The surface of band contacts, and carries out preliminary polishing；
Step 3: by the aluminium alloy after the polishing of the first workpiece polishing mechanism, by the second polishing under the action of conveyer belt
The lower section of mechanism, by secondary polishing, the aluminium alloy after polishing is sent operation cabinet entrance driven by the conveyor belt
It is mobile to the direction of directing plate under the action of the rolling bar on discharge rack onto discharge rack, by the cohesive frame on directing plate
Aluminium alloy is carried out turn-over, is placed into feeding rack by the lower section of the friction block of side by the clast of friction block removal aluminum alloy surface
On, it polishes another side.
Beneficial effects of the present invention:
For the present invention by the way that expansion bracket is arranged between the first winding up roller and the second winding up roller on grinding apparatus, first volume roller strap is dynamic
Second winding up roller is connected by expansion bracket, and hydraulic stem has retractility, upper and lower adjusting can be carried out, to drive the height of expansion bracket
Increase perhaps reduce so that drive the distance between the first winding up roller and the second winding up roller shorten or increase, so as to flexible
The distance between the first winding up roller and the second winding up roller are adjusted, so that the distance between the first winding up roller and conveyer belt are adjustable, when
One winding up roller and the adjustment of the second winding up roller finish and then install polishing abrasive band according to the distance between the first winding up roller and the second winding up roller,
Therefore it can change the distance between workpiece polishing mechanism and conveyer belt according to the aluminium alloy of different-thickness size, make suitable for different
Use situation；
It is connect by the feeding rack setting clamping sliding rail on grinding apparatus with first support, the clamping being clamped on the inside of sliding rail
Slot with agree with sliding slot and mutually agree with, round guide rod and the inner surface of clamping groove mutually agree with, and pull feeding rack that can make round guide rod
It is moved in clamping groove, when being pulled to round guide rod and arc groove agrees with, feeding rack is in heeling condition, consequently facilitating by aluminium
Alloy is placed on splicing frame, solves the trouble of the excessive feeding inconvenience of aluminium alloy weight so that aluminium alloy before polishing on
Expect enhanced convenience, and can flexibly control the distance between feeding rack and operation cabinet, in operation enhanced convenience；
Directing plate is arranged by the side of the discharge rack on grinding apparatus to connect, directing plate passes through in the side of discharge rack
Shaft connection, can both horizontally and vertically be adjusted flexibly, and when discharging, directing plate can be adjusted to skewed
State guides aluminium alloy, can be mobile to side by cohesive frame by sliding translation block, so as to adjust in directing plate
The height for increasing cohesive frame when to horizontality, suitable for the aluminium alloy of different-thickness, and aluminium alloy is by the rank on directing plate
The lower section of the friction block on the inside of frame is connect, the clast of aluminum alloy surface can be removed by friction block, is made to play preferable cleaning
With so that the function of the directing plate is more comprehensive, using effect is more preferable.
Detailed description of the invention
In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the drawings.
Fig. 1 is the overall structure diagram of grinding apparatus in the present invention.
Fig. 2 is the local structural graph of grinding apparatus in the present invention.
Fig. 3 is the structure chart of the first workpiece polishing mechanism of grinding apparatus in the present invention.
Fig. 4 is the first support of grinding apparatus and the installation diagram of feeding rack in the present invention.
Fig. 5 is the enlarged drawing in the present invention in Fig. 4 of grinding apparatus at A.
Fig. 6 is the rearview of the clamping sliding rail of grinding apparatus in the present invention.
Fig. 7 is the structure chart of the directing plate of grinding apparatus in the present invention.
In figure: 1, support base；2, motor housing；3, power supply box；4, operation cabinet；5, maintenance door；6, first support；7, it feeds
Frame；8, second support；9, discharge rack；10, directing plate；11, conveyer belt；12, the first workpiece polishing mechanism；13, the second workpiece polishing mechanism；
14, polishing abrasive band；15, the first winding up roller；16, the second winding up roller；17, expansion bracket；18, hydraulic stem；19, cross bar is reinforced；20, clamping is slided
Rail；21, rolling bar；22, agree with sliding slot；23, round guide rod；24, clamping groove；25, arc groove；26, cohesive frame；27, translational block；
28, friction block.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality
Applying example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff all other embodiment obtained without creative efforts belongs to what the present invention protected
Range.
It please refers to shown in Fig. 1-7, a kind of production technology of automobile heat-and corrosion-resistant aluminium alloy extrusions, including raw material system
Standby-shove charge melting-quenching extruding-finished product extruding-finished product polishing-oxidation processing technique step, the specific steps are as follows:
Step 1: aluminium alloy stock to be processed is utilized respectively disintegrating apparatus and is ground into powder, utilizes stirring by raw material preparation
Smashed powder concentrated compactness is controlled whipping temp by equipment, and mixing plant uniformly makes smashed powder concentrated compactness
Aluminium alloy mixed-powder is obtained, the powder stirred evenly is uniformly put into collection vessel, it will by the way of powder mixing
Various metal materials mix, and can guarantee to be uniformly mixed between various metal materials, so that the effect in melting is more
It is good；
Step 2: aluminium alloy mixed-powder is put into heating furnace and is heated by shove charge melting, and it is mixed to be heated to aluminium alloy
It closes powder to be completely melt, heating furnace is closed, stop heating；
Step 3: quenching squeezes, and the aluminium alloy after tentatively solidifying in step 3 is taken out, is put into glowing furnace and quenches
Fire processing, the temperature of glowing furnace is 1500-1700 DEG C, cool time 1.2-1.5h, after quenching finishes, utilizes cooling equipment
Cooling treatment is carried out to aluminium alloy, after being cooled down completely to aluminium alloy, aluminium alloy after cooling is taken out；
Step 4: finished product squeezes, and aluminium alloy after cooling is carried out extrusion forming using extrusion equipment, the aluminium needed is made
Alloy shape can increase the hardness of aluminium alloy by the way of extrusion forming, so that the hardness of aluminium alloy is bigger, when in use
Effect it is more preferable；
Step 5: aluminium alloy after extruding is put into grinding apparatus, removes aluminium using grinding apparatus by finished product polishing
The burr and convex block of alloy surface；
Step 6: aluminium alloy is placed in electrolyte by oxidation processes, and alkaline oxygenated solution is added in the electrolytic solution, benefit
Electrolyte is electrolysed with electrolysis installation, by the way of electrolysis, alkaline oxygenated solution is electrolysed on the surface of aluminium alloy, is made
The surface for obtaining aluminium alloy forms one layer of oxide covering and plays to increase the heat-resisting and corrosion resistance of aluminium alloy to aluminium alloy table
The effect that face is protected, so that the service life is longer for aluminium alloy.
Aluminium alloy mixed-powder in step 1 includes following ingredient: aluminium, copper, iron, nickel, manganese and titanium, in mentioned component, respectively
The parts by weight of ingredient are as follows: 8-10 parts of aluminium, 1-2 parts of copper, 0.1-0.5 parts of iron, 0.3-0.5 parts of nickel, 1-1.2 parts of manganese, titanium 0.8-1.4
Part, when stirring of mixing plant a length of 0.5-0.8h, whipping temp controls at 10-15 DEG C, controls whipping temp, prevent from stirring
Shi Wendu is excessively high to have an impact each metal properties, the other compositions using aluminium, copper, iron, nickel, manganese and titanium as aluminium alloy,
The corrosion resistance of alloy can be increased so that a variety of materials are after blending using aluminium as basic material.
The heating temperature of heating furnace in step 2 is 1670-1700 DEG C, and the heating time of heating furnace is 1-2h, 1670-
1700 DEG C of fusing point maximum values for meeting each metal component, so that each metal component can melt completely, so as to true
Protect between each metal component to mix after heating, the waste of the metal component of effective reduction.
The ingredient of alkaline oxygenated solution in step 6 includes: sodium carbonate, sodium chromate and sodium hydroxide, mentioned component
In, the parts by weight of each ingredient are as follows: 4-6 parts of sodium carbonate, 2-3 parts of sodium chromate, 5-7 parts of sodium hydroxide, sodium carbonate, sodium chromate and hydrogen
Sodium oxide molybdena constitutes alkaline solution, enables aluminum alloy surface alkaline oxygenated in oxidation.
Grinding apparatus includes support base 1 in step 5, and the upper surface of support base 1 is equipped with motor housing 2, and support base 1
Front surface is equipped with power supply box 3 by side, and the upper surface of motor housing 2 is equipped with operation cabinet 4, and the front surface installation of operation cabinet 4
There is maintenance door 5, the side of support base 1 is provided with first support 6, and the upper surface of first support 6 is provided with feeding rack 7, support
The other side of seat 1 is provided with second support 8, and the upper surface of second support 8 is provided with discharge rack 9, and the side linking of discharge rack 9 has
Directing plate 10, directing plate 10 are connected by shaft in the side of discharge rack 9, can be both horizontally and vertically adjusted flexibly, from
And when discharging, directing plate 10 can be adjusted to heeling condition, aluminium alloy is guided；
The inside of operation cabinet 4 is equipped with the first workpiece polishing mechanism 12, the second workpiece polishing mechanism 13 and conveyer belt 11, the first sander
Structure 12 and the second workpiece polishing mechanism 13 are arranged in parallel, and conveyer belt 11 is mounted under the first workpiece polishing mechanism 12 and the second workpiece polishing mechanism 13
The surface of side, the first workpiece polishing mechanism 12 and the second workpiece polishing mechanism 13 is provided with polishing abrasive band 14, polish abrasive band 14 and aluminium alloy
Surface contact, so that the surface to aluminium alloy is polished, goes to the protrusion part of Burr removal box aluminum alloy surface, so that aluminium alloy
Surface keep smooth, and polished in turn using the first workpiece polishing mechanism 12 and the second workpiece polishing mechanism 13, relative to single
The grinding effect of workpiece polishing mechanism is more preferable；
First workpiece polishing mechanism 12 includes the first winding up roller 15 and the second winding up roller 16, is connected between the first winding up roller 15 and the second winding up roller 16
It is connected to expansion bracket 17, the middle part of expansion bracket 17 is provided with hydraulic stem 18, and the inside of hydraulic stem 18 is equipped with and reinforces cross bar 19, liquid
Compression bar 18 can carry out upper and lower adjusting, to drive increasing or reducing for the height of expansion bracket 17, and then drive the first winding up roller
15 and second the distance between winding up roller 16 shorten or increase, so as to flexibly adjustment the first winding up roller 15 and the second winding up roller 16 it
Between distance so that the first winding up roller 15 and the distance between conveyer belt 11 are adjustable, therefore can be according to different-thickness size
Aluminium alloy changes the distance between workpiece polishing mechanism and conveyer belt 11, suitable for different service conditions.
The front surface and rear surface and 6 joining place of first support of feeding rack 7 are provided with clamping sliding rail 20, feeding rack 7
It being offered on the inside of front surface and rear surface and agrees with sliding slot 22, the interior side for agreeing with sliding slot 22 is equipped with round guide rod 23, into
Expect to be connected with several rolling bars 21 between the front surface and rear surface of frame 7, the rear surface of clamping sliding rail 20 offers and agree with cunning
The clamping groove 24 that 22 phase of slot is agreed with, one end of clamping groove 24 are provided with arc groove 25, and arc groove 25 agrees with round 23 phase of guide rod,
After round guide rod 23 is divided into arc groove 25, feeding rack 7 can be adjusted to heeling condition, so as to facilitate aluminium
Alloy is put on feeding rack 7；
The side of directing plate 10 is provided with cohesive frame 26, and the inner surface of cohesive frame 26 is bonded with friction block 28, cohesive frame
26 are equipped with translational block 27 with the junction of directing plate 10, can be mobile to side by cohesive frame 26 by sliding translation block 27,
Aluminium alloy so as to increase the height of cohesive frame 26 when directing plate 10 is adjusted to horizontality, suitable for different-thickness.
Motor housing 2 is internally provided with two groups of motors, two groups of motors respectively with the first workpiece polishing mechanism 12 and the second sander
It is provided with belt connection between structure 13, drives the first workpiece polishing mechanism 12 and the second workpiece polishing mechanism 13 to be passed by belt by motor
It is dynamic, to drive polishing abrasive band 14 to polish by the first workpiece polishing mechanism 12 and the second workpiece polishing mechanism 13.
The diameter of round guide rod 23 is mutually agreed with the inner diameter size of clamping groove 24, and the outer diameter size of clamping groove 24 with
The inner diameter size for agreeing with sliding slot 22 is mutually agreed with.
The surface of directing plate 10 offers the translation slot agreed with 27 phase of translational block, and one end of directing plate 10 is inclined in arcuation
Tiltedly setting, skewed setting play the role of water conservancy diversion, slow down the speed that aluminium alloy glides on directing plate 10.
Grinding apparatus when in use, is supported motor housing 2 by support base 1, by power supply box 3 to each use in the present invention
Electrical components are controlled, and first support 6 and second support 8 are respectively supported feeding rack 7 and discharge rack 9, will be to be polished
Aluminium alloy is placed on feeding rack 7, aluminium alloy is sent in operation cabinet 4 by the rolling bar 21 on feeding rack 7, in conveyer belt 11
Under the action of, aluminium alloy is mobile to the direction of discharge rack 9, and aluminium alloy is sent under the first workpiece polishing mechanism 12 by conveyer belt 11
Side drives the first winding up roller 15 to rotate, then by first under motor effect of first workpiece polishing mechanism 12 inside motor housing 2 by belt
Winding up roller 15 drives the rotation of the second winding up roller 16, drives the polishing abrasive band 14 on 16 surface of the second winding up roller also to turn therewith positioned at the first winding up roller 15
It is dynamic, it is contacted by the aluminium alloy of the lower section of the first workpiece polishing mechanism 12 with the surface in polishing abrasive band 14, carries out preliminary polishing, pass through
Aluminium alloy after the polishing of first workpiece polishing mechanism 12 passes through the lower section of the second workpiece polishing mechanism 13, warp under the action of conveyer belt 11
Secondary polishing is crossed, the aluminium alloy after polishing is sent operation cabinet 4 under the drive of conveyer belt 11 and enters discharge rack 9
On, it is mobile to the direction of directing plate 10 under the action of rolling bar 21 on discharge rack 9, by the cohesive frame 26 on directing plate 10
The lower section of the friction block 28 of side, by friction block 28 remove aluminum alloy surface clast, aluminium alloy is subjected to turn-over, place into
Expect to polish to another side on frame 7, the first winding up roller 15 drives the second winding up roller 16 to connect by expansion bracket 17, and hydraulic stem 18 has
There is retractility, upper and lower adjusting can be carried out, to drive increasing or reducing for the height of expansion bracket 17, and then drives the first volume
The distance between roller 15 and the second winding up roller 16 shorten or increase, so as to flexibly adjustment the first winding up roller 15 and the second winding up roller 16
The distance between, so that the first winding up roller 15 and the distance between conveyer belt 11 are adjustable, when the first winding up roller 15 and the second winding up roller
16 adjustment finish and then install polishing abrasive band 14 according to the distance between the first winding up roller 15 and the second winding up roller 16, therefore can root
Change the distance between workpiece polishing mechanism and conveyer belt 11 according to the aluminium alloy of different-thickness size, suitable for different use feelings
Condition is reinforced cross bar 19 and is reinforced to expansion bracket 17, so that expansion bracket 17 has preferable stability, it will using clamping sliding rail 20
Feeding rack 7 is connected with first support 6, and the clamping groove 24 of 20 inside of clamping sliding rail is agreed with 22 phase of sliding slot is agreed with, and circle is led
Bar 23 and the inner surface of clamping groove 24 mutually agree with, and pull feeding rack 7 that round guide rod 23 can be made to move in clamping groove 24, when
When being pulled to round guide rod 23 and agreeing with arc groove 25, feeding rack 7 is in heeling condition, connects consequently facilitating aluminium alloy is placed on
Expect solve the trouble of the excessive feeding inconvenience of aluminium alloy weight on frame, so that aluminium alloy feeding enhanced convenience before polishing,
And the distance between feeding rack 7 and operation cabinet 4 can be flexibly controlled, enhanced convenience, directing plate 10 are discharging in operation
The side of frame 9 is connected by shaft, can be both horizontally and vertically adjusted flexibly, to can will draw when discharging
Guide plate 10 is adjusted to heeling condition, and aluminium alloy is guided, can be by cohesive frame 26 to a sidesway by sliding translation block 27
Dynamic, so as to increase the height of cohesive frame 26 when directing plate 10 is adjusted to horizontality, the aluminium suitable for different-thickness is closed
Gold, entire grinding apparatus feeding is convenient, not only has preferable guidance effect in discharging, and can carry out to the surface of aluminium alloy
Cleaning treatment, can according to the size of thickness of aluminum alloy, the distance between flexibly adjustment workpiece polishing mechanism and conveyer belt 11, have compared with
Good using effect.
The present invention is by being arranged expansion bracket 17, the first volume between the first winding up roller 15 and the second winding up roller 16 on grinding apparatus
Roller 15 drives the second winding up roller 16 to connect by expansion bracket 17, and hydraulic stem 18 has retractility, upper and lower adjusting can be carried out, thus band
The height of dynamic expansion bracket 17 increases or reduces, so drive the distance between the first winding up roller 15 and the second winding up roller 16 shorten or
Person increases, so as to the distance between flexibly adjustment the first winding up roller 15 and the second winding up roller 16, so that the first winding up roller 15 and transmission
The distance between band 11 is adjustable, when the first winding up roller 15 and the adjustment of the second winding up roller 16 finish and then according to the first winding up roller 15
The distance between second winding up roller 16 installation polishing abrasive band 14, therefore polishing can be changed according to the aluminium alloy of different-thickness size
The distance between mechanism and conveyer belt 11, suitable for different service conditions；By the feeding rack 7 on grinding apparatus, card is set
It connects sliding rail 20 to connect with first support 6, the clamping groove 24 of 20 inside of clamping sliding rail is agreed with 22 phase of sliding slot is agreed with, round guide rod 23
Mutually agree with the inner surface of clamping groove 24, pulls feeding rack 7 that round guide rod 23 can be made to move in clamping groove 24, work as pulling
When agreeing with to round guide rod 23 with arc groove 25, feeding rack 7 is in heeling condition, consequently facilitating aluminium alloy is placed on splicing frame
On, solve the trouble of the excessive feeding inconvenience of aluminium alloy weight, so that aluminium alloy feeding enhanced convenience before polishing, and energy
The distance between feeding rack 7 and operation cabinet 4 are enough flexibly controlled, in operation enhanced convenience；By on grinding apparatus
The side setting directing plate 10 of discharge rack 9 connects, and directing plate 10 is connected in the side of discharge rack 9 by shaft, can be in level
It is adjusted flexibly with vertical direction, when discharging, directing plate 10 can be adjusted to heeling condition, aluminium alloy is guided down
Come, can be mobile to side by cohesive frame 26 by sliding translation block 27, so as to adjust in directing plate 10 to horizontality
The height of Shi Zengjia cohesive frame 26, suitable for the aluminium alloy of different-thickness, and aluminium alloy is by the cohesive frame 26 on directing plate 10
The lower section of the friction block 28 of inside can be removed the clast of aluminum alloy surface by friction block 28, be made to play preferable cleaning
With so that the function of the directing plate 10 is more comprehensive, using effect is more preferable.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (10)
1. the production technology of kind of automobile heat-and corrosion-resistant aluminium alloy extrusions, which is characterized in that molten including raw material preparation-shove charge
Refining-quenching extruding-finished product extruding-finished product polishing-oxidation processing technique step, the specific steps are as follows:
Step 1: aluminium alloy stock to be processed is utilized respectively disintegrating apparatus and is ground into powder, utilizes mixing plant by raw material preparation
By smashed powder concentrated compactness, whipping temp is controlled, aluminium is uniformly made in smashed powder concentrated compactness by mixing plant
The powder stirred evenly is uniformly put into collection vessel by mixed powder for alloy；
Step 2: aluminium alloy mixed-powder is put into heating furnace and is heated by shove charge melting, is heated to aluminium alloy mixed powder
End is completely melt, heating furnace is closed, and stops heating；
Step 3: quenching squeezes, and the aluminium alloy after tentatively solidifying in step 3 is taken out, is put into glowing furnace and carries out at quenching
Reason, the temperature of glowing furnace is 1500-1700 DEG C, cool time 1.2-1.5h, after quenching finishes, using cooling equipment to aluminium
Alloy carries out cooling treatment, and after cooling down completely to aluminium alloy, aluminium alloy after cooling is taken out；
Step 4: finished product squeezes, and aluminium alloy after cooling is carried out extrusion forming using extrusion equipment, the aluminium alloy needed is made
Shape；
Step 5: aluminium alloy after extruding is put into grinding apparatus, removes aluminium alloy using grinding apparatus by finished product polishing
The burr and convex block on surface；
Step 6: aluminium alloy is placed in electrolyte by oxidation processes, and alkaline oxygenated solution is added in the electrolytic solution, utilizes electricity
Solution equipment is electrolysed electrolyte.
2. a kind of production technology of automobile heat-and corrosion-resistant aluminium alloy extrusions according to claim 1, which is characterized in that
Aluminium alloy mixed-powder described in step 1 includes following ingredient: aluminium, copper, iron, nickel, manganese and titanium, in mentioned component, each ingredient
Parts by weight are as follows: 8-10 parts of aluminium, 1-2 parts of copper, 0.1-0.5 parts of iron, 0.3-0.5 parts of nickel, 1-1.2 parts of manganese, 0.8-1.4 parts of titanium,
A length of 0.5-0.8h when the stirring of the mixing plant, whipping temp are controlled at 10-15 DEG C.
3. a kind of production technology of automobile heat-and corrosion-resistant aluminium alloy extrusions according to claim 1, which is characterized in that
The heating temperature of heating furnace described in step 2 is 1670-1700 DEG C, and the heating time of the heating furnace is 1-2h.
4. a kind of production technology of automobile heat-and corrosion-resistant aluminium alloy extrusions according to claim 1, which is characterized in that
The ingredient of alkaline oxygenated solution described in step 6 includes: sodium carbonate, sodium chromate and sodium hydroxide, in mentioned component, respectively
The parts by weight of ingredient are as follows: 4-6 parts of sodium carbonate, 2-3 parts of sodium chromate, 5-7 parts of sodium hydroxide.
5. a kind of production technology of automobile heat-and corrosion-resistant aluminium alloy extrusions according to claim 1, which is characterized in that
Grinding apparatus described in step 5 to aluminium alloy polish specific steps are as follows:
Aluminium alloy to be polished: being placed on feeding rack (7) by step 1 first, will by the rolling bar (21) on feeding rack (7)
Aluminium alloy is sent in operation cabinet (4), and under the action of conveyer belt (11), aluminium alloy is mobile to the direction of discharge rack (9)；
Step 2: aluminium alloy is sent to the lower section of the first workpiece polishing mechanism (12) by conveyer belt (11), and the first workpiece polishing mechanism (12) exists
Under the internal motor effect of motor housing (2), the first winding up roller (15) rotation is driven by belt, then drive second by the first winding up roller (15)
Winding up roller (16) rotation is located at the first winding up roller (15) and the polishing abrasive band (14) on the second winding up roller (16) surface is driven also to rotate with it, passes through
The aluminium alloy for crossing the lower section of the first workpiece polishing mechanism (12) is contacted with the surface of polishing abrasive band (14), carries out preliminary polishing；
Step 3: by the aluminium alloy after the first workpiece polishing mechanism (12) polishing, second is passed through under the action of conveyer belt (11)
The lower section of workpiece polishing mechanism (13), by secondary polishing, the aluminium alloy after polishing is sent under the drive of conveyer belt (11)
Operation cabinet (4) enters on discharge rack (9) out, to the side of directing plate (10) under the action of rolling bar (21) on discharge rack (9)
To movement, by the lower section of the friction block (28) on the inside of the cohesive frame (26) on directing plate (10), aluminium is removed by friction block (28)
Aluminium alloy is carried out turn-over by the clast of alloy surface, is placed on feeding rack (7), is polished another side.
6. a kind of production technology of automobile heat-and corrosion-resistant aluminium alloy extrusions according to claim 5, which is characterized in that
The upper surface of support base described in step 5 (1) is equipped with motor housing (2), and the upper surface of the motor housing (2) is equipped with operation cabinet
(4), and the upper surface of first support (6) is provided with feeding rack (7), and the other side of the support base (1) is provided with second support
(8), the upper surface of the second support (8) is provided with discharge rack (9), and the side linking of the discharge rack (9) has directing plate
(10)；
The inside of the operation cabinet (4) is equipped with the first workpiece polishing mechanism (12), the second workpiece polishing mechanism (13) and conveyer belt (11), institute
It states the first workpiece polishing mechanism (12) and the second workpiece polishing mechanism (13) is arranged in parallel, the conveyer belt (11) is mounted on the first workpiece polishing mechanism
(12) and the lower section of the second workpiece polishing mechanism (13), the surface of first workpiece polishing mechanism (12) and the second workpiece polishing mechanism (13) is all provided with
It is equipped with polishing abrasive band (14)；
First workpiece polishing mechanism (12) includes the first winding up roller (15) and the second winding up roller (16), first winding up roller (15) and second
It is connected with expansion bracket (17), is provided with hydraulic stem (18) in the middle part of the expansion bracket (17), and hydraulic stem between winding up roller (16)
(18) it is equipped on the inside of and reinforces cross bar (19), hydraulic stem (18) is reinforced to cross bar (19) are reinforced.
7. a kind of production technology of automobile heat-and corrosion-resistant aluminium alloy extrusions according to claim 6, which is characterized in that
The front surface and rear surface and first support (6) joining place of the feeding rack (7) are provided with clamping sliding rail (20), the charging
It offers and agrees with sliding slot (22) on the inside of the front surface and rear surface of frame (7), the interior side installation for agreeing with sliding slot (22)
Have round guide rod (23), clamping sliding rail (20) is connect with sliding slot (22) contract merga pass circle guide rod (23) is agreed with, the charging
Several rolling bars (21) are connected between the front surface and rear surface of frame (7), the rear surface of clamping sliding rail (20) offers
With the clamping groove (24) agreeing with sliding slot (22) and mutually agreeing with, one end of the clamping groove (24) is provided with arc groove (25)；
The side of the directing plate (10) is provided with cohesive frame (26), and the inner surface of cohesive frame (26) is bonded with friction block
(28), the junction of the cohesive frame (26) and directing plate (10) is equipped with translational block (27).
8. a kind of production technology of automobile heat-and corrosion-resistant aluminium alloy extrusions according to claim 6, which is characterized in that
The motor housing (2) is internally provided with two groups of motors, two groups of motors respectively with the first workpiece polishing mechanism (12) and the second sander
Belt connection is provided between structure (13).
9. a kind of production technology of automobile heat-and corrosion-resistant aluminium alloy extrusions according to claim 6, which is characterized in that
The inner diameter size of the diameter and clamping groove (24) of the circle guide rod (23) is mutually agreed with, and the outer diameter size of clamping groove (24)
Mutually agree with the inner diameter size for agreeing with sliding slot (22).
10. a kind of production technology of automobile heat-and corrosion-resistant aluminium alloy extrusions according to claim 6, feature exist
In the surface of the directing plate (10) offers the translation slot mutually agreed with translational block (27), and one end of directing plate (10) is in
Arcuation is obliquely installed.
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| CN111778535A (en) * | 2020-06-23 | 2020-10-16 | 孔瑞扬 | Aluminum profile surface oxidation treatment method |
| CN115302362A (en) * | 2022-08-03 | 2022-11-08 | 民润电子科技(广州)有限公司 | Grinding device with intelligent automatic cleaning function for manufacturing television shell |
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