CN113319143A - Aluminum alloy pressure-maintaining extrusion molding device and molding process thereof - Google Patents
Aluminum alloy pressure-maintaining extrusion molding device and molding process thereof Download PDFInfo
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- CN113319143A CN113319143A CN202110577224.9A CN202110577224A CN113319143A CN 113319143 A CN113319143 A CN 113319143A CN 202110577224 A CN202110577224 A CN 202110577224A CN 113319143 A CN113319143 A CN 113319143A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C29/00—Cooling or heating work or parts of the extrusion press; Gas treatment of work
- B21C29/006—Gas treatment of work, e.g. to prevent oxidation or to create surface effects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
- B05C13/025—Means for manipulating or holding work, e.g. for separate articles for particular articles relatively small cylindrical objects, e.g. cans, bottles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C3/00—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material
- B05C3/02—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material
- B05C3/09—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material for treating separate articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C33/00—Feeding extrusion presses with metal to be extruded ; Loading the dummy block
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C43/00—Devices for cleaning metal products combined with or specially adapted for use with machines or apparatus provided for in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
- B24C1/086—Descaling; Removing coating films
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Of Metal (AREA)
Abstract
The invention provides an aluminum alloy pressure-maintaining extrusion molding device and a molding process thereof, and the aluminum alloy pressure-maintaining extrusion molding device comprises a rack, wherein a feeding mechanism, an extrusion molding mechanism, a cutting mechanism, an anti-oxidation treatment mechanism and a discharging mechanism are sequentially arranged on the rack along a feeding sequence, the extrusion molding mechanism comprises a heating bin, an extrusion assembly arranged on one side of the heating bin and a molding die arranged on the other side of the heating bin, a heater is arranged in the heating bin, a feeding hole is arranged on the upper side of the heating bin, and a bin door for sealing the feeding hole is arranged on the feeding hole to maintain the pressure of a heating cavity. According to the invention, the bin gate is arranged to control the opening and closing of the feeding port, the bin gate is folded during feeding, and the bin gate is closed after feeding, so that heat is prevented from being radiated, a heating environment with stable pressure is provided, the forming efficiency is improved, the energy consumption is effectively reduced, and the energy-saving green production is realized.
Description
Technical Field
The invention relates to the technical field of aluminum profile production, in particular to an aluminum alloy pressure maintaining extrusion molding device and a molding process thereof.
Background
Aluminum alloys, the most widely used class of non-ferrous structural materials in industry, have found a large number of applications in the aerospace, automotive, mechanical manufacturing, marine and chemical industries. In the process of processing and manufacturing aluminum alloy, raw material aluminum ingots or aluminum bars need to be extruded and molded, so that corresponding products are obtained. In the existing aluminum alloy production process, when an aluminum ingot or an aluminum bar is subjected to extrusion forming, the aluminum ingot or the aluminum bar needs to be put into a heating bin for heating forming, but a feed inlet of the existing extrusion forming machine is usually of an open structure, the pressure in the heating bin is communicated with the atmospheric pressure, and an aluminum raw material can be rapidly melted only under a certain temperature and pressure, so that more energy sources need to be consumed to generate heat energy to keep sufficient temperature and pressure during production.
Disclosure of Invention
The invention aims to overcome the defects and provides the aluminum alloy pressure-maintaining extrusion molding device which can ensure that the heating bin is in a closed state during extrusion molding by controlling the opening and closing of the feed inlet of the extrusion molding mechanism so as to maintain enough pressure, improve the extrusion molding efficiency and save energy.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides an aluminum alloy pressurize extrusion moulding device, includes the frame, be equipped with feed mechanism, extrusion moulding mechanism, cutting mechanism, anti-oxidation processing mechanism and discharge mechanism in proper order along the feeding order in the frame, extrusion moulding mechanism includes the heated warehouses, locates the extrusion subassembly of heated warehouses one side and locates the forming die of heated warehouses opposite side, be equipped with the heater in the heated warehouses, the upside of heated warehouses is equipped with the feed inlet, be equipped with the door that is used for sealing the feed inlet on the feed inlet in order to keep heating chamber pressure, the extrusion subassembly includes stripper bar and extrusion hydro-cylinder, stripper bar slidable mounting is in the heating chamber, the one end and the extrusion hydro-cylinder of stripper bar are connected so that by extrusion hydro-cylinder drive extrusion aluminium alloy.
Further, in order to realize automatic feeding of the aluminum bar; the feeding mechanism comprises a feeding conveyer belt, a feeding driving assembly and a feeding manipulator, the feeding driving assembly is in transmission connection with the feeding conveyer belt to drive the feeding conveyer belt to move, the feeding conveyer belt is provided with a plurality of arc-shaped feeding seats for placing aluminum bars, the feeding manipulator is arranged at the tail end of the feeding conveyer belt, the feeding manipulator comprises a feeding guide rail arranged between the feeding conveyer belt and the extrusion molding mechanism, a feeding slide seat slidably arranged on the feeding guide rail, a feeding motor for driving the feeding slide seat to slide on the feeding guide rail, a lifter arranged on the feeding slide seat, a lifting seat arranged on the lifter, and a fixed clamping block and a movable clamping block which are symmetrically arranged at two ends of the lifting seat, the movable clamping block is slidably mounted on the lifting seat, and a feeding cylinder for driving the movable clamping block to move relative to the fixed clamping block to grab the aluminum bar is arranged on the lifting seat.
Further, in order to carry out surface treatment on the aluminum bar, an oxide layer on the surface of the aluminum bar is removed, the purity of the aluminum bar is improved, and meanwhile, the aluminum bar is prevented from being oxidized again; the aluminum alloy pressurize extrusion moulding device is still including locating the oxide film processing mechanism that goes who extrudes the forming mechanism top, go oxide film processing mechanism including the blowing roller subassembly that is used for placing the aluminum bar, the clamping unit who is used for pressing from both sides tight aluminum bar, be used for spraying iron sand and get rid of sandblast subassembly and the nitrogen generator of aluminum bar surface oxide layer, be equipped with the gas blow pipe on the nitrogen generator, the mouth of pipe of gas blow pipe is located the top of blowing roller subassembly and the mouth of pipe of gas blow pipe and is set up towards the blowing roller subassembly in order to blow nitrogen gas to the aluminum bar and prevent the aluminum bar reoxidation.
Further, in order to remove the oxide film on the surface of the aluminum bar by sand blasting, the purity of the aluminum raw material is improved, and iron sand is recovered; the sandblast subassembly includes spray gun, sand box, overhead tank and is used for driving the sandblast cylinder that the spray gun is close to the aluminium bar, the spray gun is connected with the sand box through defeated sand pipe, the overhead tank is connected with the sand box, the spray gun is equipped with threely, and three spray gun is article font and distributes so that carry out the sandblast to the outer peripheral face and two terminal surfaces of aluminium bar and handle, the sandblast cylinder correspondence is equipped with three, and three spray gun is installed respectively on three sandblast cylinder, the sandblast subassembly still including be the three recovery cover that article font distributes, be used for driving recovery cover to press close to the recovery cylinder of aluminium bar and be used for making the fan that produces the negative pressure in the recovery cover, three recovery cover is equipped with the opening that sets up towards three spray gun respectively.
Further, the aluminum bar is fixed in a clamping manner and driven to rotate, so that the sand blasting mechanism performs sand blasting on an oxide film on the surface of the aluminum bar; the blowing roller subassembly is including two blowing rollers that set up side by side, be used for driving one of them blowing roller and remove the blowing cylinder of adjusting the interval between two blowing rollers and be used for driving another blowing roller and rotate and drive aluminium bar pivoted blowing motor, is formed with the blowing groove that is located the feed inlet top and is used for placing the aluminium bar between two blowing rollers, clamping assembly is including rotating rack-mounted fixed idler, the die-clamping roller who sets up with the fixed idler symmetry and being used for driving die-clamping roller to the die-clamping cylinder that fixed idler removed, die-clamping roller rotates and installs on die-clamping cylinder, fixed idler and die-clamping roller locate two terminal surfaces of both sides with the die-clamping aluminium bar of blowing roller respectively.
Further, in order to cool and convey the aluminum steel material at the same time, the circulation of the aluminum steel material among various working procedures is completed, and the aluminum steel material is conveyed to the anti-oxidation treatment mechanism from the extrusion molding mechanism; the aluminum alloy pressurize extrusion moulding device still includes cooling conveying mechanism, cooling conveying mechanism is including locating the conveying roller subassembly between extrusion moulding mechanism and the cutting mechanism and locating the conveyer belt subassembly between cutting mechanism and the anti-oxidation processing mechanism, has the clearance between conveying roller subassembly and the conveyer belt subassembly in order to supply the cutting mechanism to cut.
Further, in order to cut the aluminum steel material into proper lengths, the aluminum steel material is convenient for subsequent processing and transportation; the cutting mechanism comprises a cutting saw blade, a cutting motor used for driving the cutting saw blade to rotate, a feeding seat and a screw rod driving mechanism used for driving the feeding seat to move and feed, the cutting saw blade is installed on the cutting motor, the cutting motor is installed on the feeding seat, the feeding seat is installed on the screw rod driving mechanism, and the feeding direction of the feeding seat is perpendicular to the conveying direction of the cooling conveying mechanism.
Furthermore, in order to form a layer of protective film on the surface of the aluminum profile, the contact with air is isolated, and an anti-oxidation effect is achieved; the anti-oxidation treatment mechanism comprises an anti-oxidation treatment tank, a dryer and a feeding assembly, the feeding assembly comprises a feeding guide rail arranged between the cooling conveying mechanism and the discharging mechanism, a feeding slide seat slidably mounted on the feeding guide rail, a feeding motor for driving the feeding slide seat to slide on the feeding guide rail, a lifting cylinder fixedly mounted on the feeding slide seat, a lifting plate fixedly mounted on the lifting cylinder, and a fixed manipulator and a movable manipulator symmetrically arranged at two ends of the lifting plate, the movable manipulator is slidably mounted on the lifting plate, the lifting plate is provided with the feeding cylinder for driving the movable manipulator to move relative to the fixed manipulator to grab an aluminum rod, the anti-oxidation treatment tank is arranged below the feeding guide rail, the anti-oxidation treatment tank is internally provided with a draining net, the draining net is arranged in the anti-oxidation treatment tank in a lifting manner, the dryer is arranged between the anti-oxidation treatment tank and the discharging mechanism and is positioned below the feeding guide rail, the drying machines are two, and the distance between the two drying machines is adaptive to the length of the aluminum steel.
Further, in order to realize automatic discharging of the aluminum bar, reduce the contact surface between the aluminum profile and the discharging mechanism and prevent the anti-oxidation film from falling off, a layer of protective film is effectively formed on the surface of the aluminum profile; discharge mechanism includes ejection of compact motor, initiative double sprocket, driven double sprocket and two drive chain, initiative double sprocket installs on ejection of compact motor, driven double sprocket passes through drive chain and is connected with the transmission of initiative double sprocket, and two drive chain transmission are connected in order to carry the aluminium alloy between initiative double sprocket and the driven double sprocket.
Aiming at the defects, the invention also provides the pressure-maintaining extrusion molding process of the aluminum alloy, which can maintain enough pressure, improve the extrusion molding efficiency and save energy by controlling the heating environment to be in a closed state.
The other scheme adopted by the invention for solving the technical problem is as follows: an aluminum alloy pressure maintaining extrusion molding process comprises the following steps:
(1) pretreatment: before extrusion molding, removing an oxide film on the surface of the aluminum bar in nitrogen to ensure the purity of the raw material;
(2) and (3) extrusion molding: opening a feed port of an extrusion forming machine, putting the treated aluminum bar into the extrusion forming machine for heating and melting, closing the feed port after putting is finished so as to ensure that the extrusion forming machine is always in a closed state in the heating and forming process, keeping the pressure in the extrusion forming machine unchanged, and finally performing extrusion forming to obtain the aluminum profile;
(3) and (3) anti-oxidation treatment: and cooling and cutting the prepared aluminum profile, immersing the cut aluminum profile in an anti-oxidation treatment pool to form an anti-oxidation film, and drying to obtain the anti-oxidation aluminum profile.
Compared with the prior art, the invention has the following advantages:
(1) according to the invention, through an automatic production line, aluminum profiles with excellent quality, stable performance and good strength are efficiently produced through oxide film removing treatment, extrusion molding, cutting and anti-oxidation treatment, so as to meet the market demands;
(2) the aluminum bar surface treatment method adopts the sand blasting mechanism, removes impurities such as an oxide film on the surface of the aluminum bar through sand blasting treatment so as to effectively improve the purity of the aluminum raw material, simultaneously blows nitrogen to the aluminum bar through the nitrogen generator, and the whole surface treatment process is under the protection of the nitrogen until the aluminum bar enters the extrusion molding mechanism, so that the aluminum raw material is effectively prevented from being oxidized again, the purity of the aluminum bar before heating and melting is ensured, and finally the quality of the aluminum profile is improved by reducing the components of the impurities in the raw material;
(3) according to the invention, the bin gate is arranged to control the opening and closing of the feeding port, the bin gate is folded during feeding, and the bin gate is closed after feeding, so that heat is prevented from being radiated, a heating environment with stable pressure is provided, the forming efficiency is improved, the energy consumption is effectively reduced, and energy-saving green production is realized;
(4) the aluminum profile is soaked in the anti-oxidation liquid for treatment and dried, so that a layer of protective film is formed on the surface of the aluminum profile, the contact with air is isolated, and the anti-oxidation effect is achieved.
Drawings
The invention will be further illustrated with reference to the following examples with reference to the accompanying drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a feeding mechanism;
FIG. 3 is a schematic diagram of the pretreatment mechanism;
FIG. 4 is a top view of the structure of the preconditioning mechanism;
FIG. 5 is a schematic view of the extrusion mechanism;
FIG. 6 is a schematic view of the cutting mechanism;
fig. 7 is a schematic structural diagram of the discharging mechanism.
In the figure: 1-a frame; 2-a feeding mechanism; 21-a feed conveyor belt; 211-arc discharge seat; 22-a feeding robot; 221-a feed guide rail; 222-a feed slide; 223-fixing the clamping block; 224-a movable clamping block; 3-an extrusion molding mechanism; 31-a heating chamber; 311-door; 32-a pressing assembly; 321-an extrusion rod; 33-forming a mould; 4-a cutting mechanism; 41-cutting saw blade; 42-a cutting motor; 43-a screw drive mechanism; 5-an anti-oxidation treatment mechanism; 51-an anti-oxidation treatment tank; 511-draining and drying the net; 52-a dryer; 53-a feed assembly; 531-feeding guide rail; 532-lifting plate; 533-fixed manipulator; 534-mobile manipulator; 6-a discharging mechanism; 61-driving double chain wheel; 62-driven double sprocket; 63-a drive chain; 7-removing the oxidation film processing mechanism; 71-a discharge roller; 72-a clamping assembly; 721-fixed rollers; 722-a pinch roller; 73-a grit blast assembly; 731-spray gun; 732-a sandblasting cylinder; 733-recovery hood; 734-recovery cylinder; 8-a cooling and conveying mechanism; 81-a conveyor roller assembly; 82-a conveyor belt assembly; 9-aluminum bar; 10-aluminum steel material.
Detailed Description
The invention is described in detail below with reference to the drawings and specific examples:
specific example 1: as shown in fig. 1-7, the present embodiment provides an aluminum alloy pressure maintaining extrusion molding device, which comprises a frame 1, a feeding mechanism 2, an extrusion molding mechanism 3, a cutting mechanism 4, an anti-oxidation treatment mechanism 5 and a discharging mechanism 6 are sequentially arranged on the frame 1 along the feeding sequence, the extrusion molding mechanism 3 comprises a heating chamber 31, an extrusion assembly 32 arranged on one side of the heating chamber 31 and a molding die 33 arranged on the other side of the heating chamber 31, a heater is arranged in the heating bin 31, a feed inlet is arranged at the upper side of the heating bin 31, a bin door 311 for sealing the feed inlet is arranged on the feed inlet to keep the pressure of the heating cavity, the extrusion assembly 32 comprises an extrusion rod 321 and an extrusion oil cylinder, the extrusion rod 321 is slidably mounted in the heating cavity, one end of the extrusion rod 321 is connected with an extrusion cylinder so as to drive the extrusion cylinder to extrude the aluminum profile 10.
In the present embodiment, in order to achieve automatic feeding of the aluminum bar 9; feed mechanism 2 includes feeding conveyer belt 21, feeding drive assembly and feeding manipulator 22, feeding drive assembly is connected with the transmission of feeding conveyer belt 21 and is moved in order to drive feeding conveyer belt 21, be equipped with a plurality of arc blowing seat 211 that is used for placing aluminium bar 9 on feeding conveyer belt 21, feeding manipulator 22 locates the end of feeding conveyer belt 21, feeding manipulator 22 is including locating feeding guide rail 221 between feeding conveyer belt 21 and extrusion moulding mechanism 3, slidable mounting is at feeding slide 222 on feeding guide rail 221, be used for driving feeding slide 222 gliding feeding motor on feeding guide rail 221, locate the riser on feeding slide 222, locate the fixed clamp piece 223 and the activity clamp piece 224 at lift seat both ends of lift seat on the riser and symmetry, the activity presss from both sides tight piece 224 slidable mounting on the lift seat, be equipped with on the lift seat to be used for driving the activity to press from both sides tight piece 224 and move the feeding that snatchs aluminium bar 9 relative fixed clamp piece 223 And a cylinder.
In this embodiment, in order to perform surface treatment on the aluminum bar 9, the oxide layer on the surface of the aluminum bar 9 is removed, the purity of the aluminum bar 9 is improved, and the aluminum bar 9 is prevented from being oxidized again; the aluminum alloy pressurize extrusion moulding device is still including locating the oxidation film processing mechanism 7 that goes who extrudes 3 tops of forming mechanism, go oxidation film processing mechanism 7 including the blowing roller subassembly that is used for placing aluminium bar 9, the clamping unit 72 that is used for pressing from both sides tight aluminium bar 9, be used for spraying sand blasting subassembly 73 and the nitrogen generator that iron sand got rid of aluminium bar 9 surface oxide layer, be equipped with the gas blow pipe on the nitrogen generator, the mouth of pipe of gas blow pipe is located the top of blowing roller subassembly and the mouth of pipe of gas blow pipe and is set up towards the blowing roller subassembly in order to prevent aluminium bar 9 reoxidation to blowing nitrogen gas to aluminium bar 9.
In this example, in order to remove the oxide film on the surface of the aluminum bar 9 by sandblasting, the purity of the aluminum raw material was improved, and iron sand was recovered; the sand blasting assembly 73 comprises spray guns 731, a sand box, a pressure tank and a sand blasting cylinder 732 used for driving the spray guns 731 to be close to the aluminum bar 9, the spray guns 731 are connected with the sand box through sand conveying pipes, the pressure tank is connected with the sand box, the spray guns 731 are three, the three spray guns 731 are distributed in a delta shape so as to perform sand blasting treatment on the outer peripheral surface and two end faces of the aluminum bar 9, the three sand blasting cylinders 732 are correspondingly provided with three spray guns 731, the three spray guns 731 are respectively installed on the three sand blasting cylinders 732, the sand blasting assembly 73 further comprises three recovery hoods 733 which are distributed in a delta shape, a recovery cylinder 734 used for driving the recovery hoods 733 to be close to the aluminum bar 9 and a fan used for enabling the recovery hoods 733 to generate negative pressure, and openings which are respectively arranged towards the three spray guns 731 are arranged on the three recovery hoods 733.
In the present embodiment, the aluminum bar 9 is fixed for clamping, and the aluminum bar 9 is driven to rotate, so that the sand blasting mechanism sand-blast the oxide film on the surface of the aluminum bar 9; the blowing roller assembly comprises two blowing rollers 71 arranged side by side, a blowing cylinder for driving one of the blowing rollers 71 to move and adjust the distance between the two blowing rollers 71 and a blowing motor for driving the other blowing roller 71 to rotate and drive the aluminum rod 9 to rotate, a blowing groove located above the feeding hole and used for placing the aluminum rod 9 is formed between the two blowing rollers 71, the clamping assembly 72 comprises a fixed roller 721 rotatably installed on the rack 1, a clamping roller 722 symmetrically arranged with the fixed roller 721 and a clamping cylinder used for driving the clamping roller 722 to move towards the fixed roller 721, the clamping roller 722 is rotatably installed on the clamping cylinder, and the fixed roller 721 and the clamping roller 722 are respectively arranged on two sides of the blowing rollers 71 to clamp two end faces of the aluminum rod 9.
In the present embodiment, in order to transport the aluminum steel material while cooling, the aluminum steel material is transported from the extrusion molding mechanism 3 to the oxidation prevention processing mechanism 5 while completing the circulation of the aluminum steel material between the respective processes; the aluminum alloy pressure maintaining extrusion molding device further comprises a cooling conveying mechanism 8, the cooling conveying mechanism 8 comprises a conveying roller assembly 81 arranged between the extrusion molding mechanism 3 and the cutting mechanism 4 and a conveying belt assembly 82 arranged between the cutting mechanism 4 and the anti-oxidation processing mechanism 5, and a gap is formed between the conveying roller assembly 81 and the conveying belt assembly 82 for cutting by the cutting mechanism 4.
In the embodiment, in order to cut the aluminum steel material into a suitable length for subsequent processing and transportation; the cutting mechanism 4 comprises a cutting saw blade 41, a cutting motor 42 for driving the cutting saw blade 41 to rotate, a feeding seat and a screw rod driving mechanism 43 for driving the feeding seat to move and feed, the cutting saw blade 41 is installed on the cutting motor 42, the cutting motor 42 is installed on the feeding seat, the feeding seat is installed on the screw rod driving mechanism 43, and the feeding direction of the feeding seat is perpendicular to the conveying direction of the cooling conveying mechanism 8.
In the embodiment, in order to form a protective film on the surface of the aluminum profile 10, the contact with air is isolated, and the anti-oxidation effect is achieved; the anti-oxidation treatment mechanism 5 comprises an anti-oxidation treatment tank 51, a dryer 52 and a feeding assembly 53, the feeding assembly 53 comprises a feeding guide rail 531 arranged between the cooling conveying mechanism 8 and the discharging mechanism 6, a feeding slide seat slidably mounted on the feeding guide rail 531, a feeding motor for driving the feeding slide seat to slide on the feeding guide rail 531, a lifting cylinder fixedly mounted on the feeding slide seat, a lifting plate 532 fixedly mounted on the lifting cylinder, and a fixed manipulator 533 and a movable manipulator 534 symmetrically arranged at two ends of the lifting plate 532, the movable manipulator 534 is slidably mounted on the lifting plate 532, the lifting plate 532 is provided with the feeding cylinder for driving the movable manipulator 534 to move relative to the fixed manipulator 533 to grab the aluminum bar 9, the anti-oxidation treatment tank 51 is arranged below the feeding guide rail 531, a draining net 511 is arranged in the anti-oxidation treatment tank 51, and the draining net 511 is installed in the anti-oxidation treatment tank 51 in a lifting manner, the dryers 52 are arranged between the anti-oxidation treatment tank 51 and the discharging mechanism 6 and located below the feeding guide rail 531, the number of the dryers 52 is two, the distance between the two dryers 52 is matched with the length of aluminum steel, so that the two ends of the aluminum profile 10 are dried to prevent the anti-oxidation liquid from being undried, and when the aluminum profile 10 is conveyed out by the transmission chain 63, the aluminum profile 10 is contacted with the transmission chain 63 to cause the anti-oxidation film to fall off.
In the embodiment, in order to realize the automatic discharging of the aluminum bar 9, reduce the contact surface between the aluminum profile 10 and the discharging mechanism 6, and prevent the anti-oxidation film from falling off, a layer of protective film is effectively formed on the surface of the aluminum profile 10; discharge mechanism 6 includes ejection of compact motor, driving double sprocket 61, driven double sprocket 62 and two drive chain 63, driving double sprocket 61 is installed on ejection of compact motor, driven double sprocket 62 is connected with driving double sprocket 61 transmission through drive chain 63, and two drive chain 63 transmissions are connected when carrying aluminium alloy 10 between driving double sprocket 61 and the driven double sprocket 62 in order to carry, and aluminium alloy 10 both ends are put respectively on two drive chain 63.
Specific example 2: an aluminum alloy pressure maintaining extrusion molding process comprises the following steps:
(1) pretreatment: before extrusion molding, removing an oxide film on the surface of the aluminum bar 9 in nitrogen to ensure the purity of the raw material;
(2) and (3) extrusion molding: opening a feed port of an extrusion forming machine, putting the treated aluminum bar 9 into the extrusion forming machine for heating and melting, closing the feed port after putting is finished so as to ensure that the extrusion forming machine is always in a closed state in the extrusion forming process so as to ensure that the pressure in the extrusion forming machine is unchanged, and finally performing extrusion forming to obtain the aluminum profile 10;
(3) and (3) anti-oxidation treatment: and cooling and cutting the prepared aluminum profile 10, immersing the cut aluminum profile 10 in an anti-oxidation treatment tank 51 to form an anti-oxidation film, drying and discharging.
The specific implementation process comprises the following steps: pretreatment: during production, aluminum bars 9 are placed on the arc-shaped discharging seat 211 one by one through a discharging machine or manually, the aluminum bars 9 move to the lower part of the feeding manipulator 22 along with the feeding conveyer belt 21, the movable clamping block 224 is driven by the feeding cylinder to approach the fixed clamping block 223 to clamp the aluminum bars 9, the feeding motor drives the feeding slide carriage 222 to move to the upper part of the discharging roller 71 along the feeding guide rail 221, the movable clamping block 224 moves to release the aluminum bars 9, the aluminum bars 9 fall to the front of the two discharging rollers 71, the clamping roller 722 is driven by the clamping cylinder to move towards the fixed roller 721 to fix the aluminum bars 9, the spray gun 731 is driven by the sand blasting cylinder 732 to be close to the aluminum bars 9 and tangent to the surface of the aluminum bars 9 to ensure that the sprayed iron sand can impact the surface of the aluminum bars 9 at a high speed, the recovery cover 733 is driven by the recovery cylinder 734 to be close to the aluminum bars 9 and correspond to the spray gun 731 to collect the iron sand, sand blasting is started, nitrogen is blown downwards through the air blow pipe, the aluminum bar 9 is always filled around, the discharging motor works to drive the iron bar to rotate, the fixed roller 721 and the sliding roller rotate along with the iron bar, the aluminum bar 9 is ensured to be firmly fixed, the aluminum bar 9 rotates for one circle, and the sand blasting treatment is finished;
and (3) extrusion molding: after the sand blasting treatment is finished, the discharging roller 71 is driven by the discharging cylinder to move, the aluminum rod 9 falls from the discharging groove to the heating bin 31 below, after the feeding is finished, the bin door 311 is closed to prevent heat from overflowing, the extrusion molding mechanism 3 starts to heat and melt the aluminum rod 9, the molten aluminum rod 9 is driven by the extrusion rod to be extruded and molded by the molding die 33, the extruded and molded aluminum profile 10 is conveyed and cooled by the conveying roller assembly 81 and moves to the tail end of the conveying roller assembly 81, the cutting saw blade 41 is driven by the screw rod driving mechanism 43 to feed and cut, and then the aluminum profile is conveyed out by the conveying belt assembly 82;
and (3) anti-oxidation treatment: the cut aluminum profile 10 moves to the lower part of the anti-oxidation treatment mechanism 5 under the conveying of the conveying belt assembly 82, the lifting plate 532 moves downwards under the driving of the lifting cylinder, the fixed manipulator 533 and the movable manipulator 534 on the lifting plate 532 clamp the aluminum profile 10 and move to the upper part of the anti-oxidation treatment pool 51 along the feeding guide rail 531, the aluminum profile 10 is placed in the anti-oxidation treatment pool 51 to be immersed, the draining net 511 moves upwards to take the aluminum profile 10 out of the anti-oxidation treatment pool 51, the fixed manipulator 533 and the movable manipulator 534 clamp the aluminum profile 10 again and convey the aluminum profile to the discharging mechanism 6, during the conveying process, the dryer 52 blows hot air to accelerate the drying of coatings at two ends of the aluminum profile 10, and finally, the fixed manipulator 533 and the movable manipulator 534 place two ends of the aluminum profile 10 on two conveying chains respectively and convey the aluminum profile 10 out along with the movement of the conveying chains.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides an aluminum alloy pressurize extrusion moulding device which characterized in that: the extrusion molding machine comprises a frame, be equipped with feed mechanism, extrusion molding mechanism, cutting mechanism, anti-oxidation processing mechanism and discharge mechanism in proper order along the feeding in the frame, extrusion molding mechanism includes the heated warehouses, locates the extrusion subassembly of heated warehouses one side and locates the forming die of heated warehouses opposite side, be equipped with the heater in the heated warehouses, the upside of heated warehouses is equipped with the feed inlet, be equipped with the bin gate that is used for sealing the feed inlet on the feed inlet in order to keep heating chamber pressure, the extrusion subassembly includes extrusion pole and extrusion hydro-cylinder, extrusion pole slidable mounting is in the heating chamber, the one end and the extrusion hydro-cylinder of extrusion pole are connected so that by extrusion hydro-cylinder drive extrusion aluminium alloy.
2. The aluminum alloy pressure maintaining extrusion molding apparatus according to claim 1, characterized in that: the feeding mechanism comprises a feeding conveyer belt, a feeding driving assembly and a feeding manipulator, the feeding driving assembly is in transmission connection with the feeding conveyer belt to drive the feeding conveyer belt to move, the feeding conveyer belt is provided with a plurality of arc-shaped feeding seats for placing aluminum bars, the feeding manipulator is arranged at the tail end of the feeding conveyer belt, the feeding manipulator comprises a feeding guide rail arranged between the feeding conveyer belt and the extrusion molding mechanism, a feeding slide seat slidably arranged on the feeding guide rail, a feeding motor for driving the feeding slide seat to slide on the feeding guide rail, a lifter arranged on the feeding slide seat, a lifting seat arranged on the lifter, and a fixed clamping block and a movable clamping block which are symmetrically arranged at two ends of the lifting seat, the movable clamping block is slidably mounted on the lifting seat, and a feeding cylinder for driving the movable clamping block to move relative to the fixed clamping block to grab the aluminum bar is arranged on the lifting seat.
3. The aluminum alloy pressure maintaining extrusion molding apparatus according to claim 1, characterized in that: the aluminum alloy pressurize extrusion moulding device is still including locating the oxide film processing mechanism that goes who extrudes the forming mechanism top, go oxide film processing mechanism including the blowing roller subassembly that is used for placing the aluminum bar, the clamping unit who is used for pressing from both sides tight aluminum bar, be used for spraying iron sand and get rid of sandblast subassembly and the nitrogen generator of aluminum bar surface oxide layer, be equipped with the gas blow pipe on the nitrogen generator, the mouth of pipe of gas blow pipe is located the top of blowing roller subassembly and the mouth of pipe of gas blow pipe and is set up towards the blowing roller subassembly in order to blow nitrogen gas to the aluminum bar and prevent the aluminum bar reoxidation.
4. The aluminum alloy pressure maintaining extrusion molding apparatus according to claim 3, characterized in that: the sandblast subassembly includes spray gun, sand box, overhead tank and is used for driving the sandblast cylinder that the spray gun is close to the aluminium bar, the spray gun is connected with the sand box through defeated sand pipe, the overhead tank is connected with the sand box, the spray gun is equipped with threely, and three spray gun is article font and distributes so that carry out the sandblast to the outer peripheral face and two terminal surfaces of aluminium bar and handle, the sandblast cylinder correspondence is equipped with three, and three spray gun is installed respectively on three sandblast cylinder, the sandblast subassembly still including be the three recovery cover that article font distributes, be used for driving recovery cover to press close to the recovery cylinder of aluminium bar and be used for making the fan that produces the negative pressure in the recovery cover, three recovery cover is equipped with the opening that sets up towards three spray gun respectively.
5. The aluminum alloy pressure maintaining extrusion molding apparatus according to claim 3, characterized in that: the blowing roller subassembly is including two blowing rollers that set up side by side, be used for driving one of them blowing roller and remove the blowing cylinder of adjusting the interval between two blowing rollers and be used for driving another blowing roller and rotate and drive aluminium bar pivoted blowing motor, is formed with the blowing groove that is located the feed inlet top and is used for placing the aluminium bar between two blowing rollers, clamping assembly is including rotating rack-mounted fixed idler, the die-clamping roller who sets up with the fixed idler symmetry and being used for driving die-clamping roller to the die-clamping cylinder that fixed idler removed, die-clamping roller rotates and installs on die-clamping cylinder, fixed idler and die-clamping roller locate two terminal surfaces of both sides with the die-clamping aluminium bar of blowing roller respectively.
6. The aluminum alloy pressure maintaining extrusion molding apparatus according to claim 1, characterized in that: the aluminum alloy pressurize extrusion moulding device still includes cooling conveying mechanism, cooling conveying mechanism is including locating the conveying roller subassembly between extrusion moulding mechanism and the cutting mechanism and locating the conveyer belt subassembly between cutting mechanism and the anti-oxidation processing mechanism, has the clearance between conveying roller subassembly and the conveyer belt subassembly in order to supply the cutting mechanism to cut.
7. The aluminum alloy pressure maintaining extrusion molding apparatus according to claim 6, characterized in that: the cutting mechanism comprises a cutting saw blade, a cutting motor used for driving the cutting saw blade to rotate, a feeding seat and a screw rod driving mechanism used for driving the feeding seat to move and feed, the cutting saw blade is installed on the cutting motor, the cutting motor is installed on the feeding seat, the feeding seat is installed on the screw rod driving mechanism, and the feeding direction of the feeding seat is perpendicular to the conveying direction of the cooling conveying mechanism.
8. The aluminum alloy pressure maintaining extrusion molding apparatus according to claim 7, characterized in that: the anti-oxidation treatment mechanism comprises an anti-oxidation treatment tank, a dryer and a feeding assembly, the feeding assembly comprises a feeding guide rail arranged between the cooling conveying mechanism and the discharging mechanism, a feeding slide seat slidably mounted on the feeding guide rail, a feeding motor for driving the feeding slide seat to slide on the feeding guide rail, a lifting cylinder fixedly mounted on the feeding slide seat, a lifting plate fixedly mounted on the lifting cylinder, and a fixed manipulator and a movable manipulator symmetrically arranged at two ends of the lifting plate, the movable manipulator is slidably mounted on the lifting plate, the lifting plate is provided with the feeding cylinder for driving the movable manipulator to move relative to the fixed manipulator to grab an aluminum rod, the anti-oxidation treatment tank is arranged below the feeding guide rail, the anti-oxidation treatment tank is internally provided with a draining net, the draining net is arranged in the anti-oxidation treatment tank in a lifting manner, the dryer is arranged between the anti-oxidation treatment tank and the discharging mechanism and is positioned below the feeding guide rail, the drying machines are two, and the distance between the two drying machines is adaptive to the length of the aluminum steel.
9. The aluminum alloy pressure maintaining extrusion molding apparatus according to claim 1, characterized in that: discharge mechanism includes ejection of compact motor, initiative double sprocket, driven double sprocket and two drive chain, initiative double sprocket installs on ejection of compact motor, driven double sprocket passes through drive chain and is connected with the transmission of initiative double sprocket, and two drive chain transmission are connected in order to carry the aluminium alloy between initiative double sprocket and the driven double sprocket.
10. The pressure maintaining extrusion molding process of aluminum alloy is characterized by comprising the following steps of: the method comprises the following steps:
(1) pretreatment: before extrusion molding, removing an oxide film on the surface of the aluminum bar in nitrogen to ensure the purity of the raw material;
(2) and (3) extrusion molding: opening a feed port of an extrusion forming machine, putting the treated aluminum bar into the extrusion forming machine for heating and melting, closing the feed port after putting is finished so as to ensure that the extrusion forming machine is always in a closed state in the heating and forming process, keeping the pressure in the extrusion forming machine unchanged, and finally performing extrusion forming to obtain the aluminum profile;
(3) and (3) anti-oxidation treatment: and cooling and cutting the prepared aluminum profile, immersing the cut aluminum profile in an anti-oxidation treatment pool to form an anti-oxidation film, and drying to obtain the anti-oxidation aluminum profile.
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