CN114769097B - Preparation process of corrosion-resistant aluminum veneer - Google Patents

Preparation process of corrosion-resistant aluminum veneer Download PDF

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Publication number
CN114769097B
CN114769097B CN202210403695.2A CN202210403695A CN114769097B CN 114769097 B CN114769097 B CN 114769097B CN 202210403695 A CN202210403695 A CN 202210403695A CN 114769097 B CN114769097 B CN 114769097B
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China
Prior art keywords
fixedly connected
aluminum veneer
stirring
parts
opening
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CN202210403695.2A
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CN114769097A (en
Inventor
周雅
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Hebei Hongtai Aluminum Co ltd
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Hebei Hongtai Aluminum Co ltd
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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
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/20—Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising
    • B05B15/25—Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising using moving elements, e.g. rotating blades
    • 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
    • B05D3/10—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 other chemical means
    • B05D3/102—Pretreatment of metallic substrates
    • 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
    • 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
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • 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
    • B05D2202/00—Metallic substrate
    • B05D2202/20—Metallic substrate based on light metals
    • B05D2202/25—Metallic substrate based on light metals based on Al
    • 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
    • B05D2506/00—Halogenated polymers
    • B05D2506/10—Fluorinated polymers
    • 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
    • B05D2601/00—Inorganic fillers
    • B05D2601/20—Inorganic fillers used for non-pigmentation effect
    • B05D2601/24—Titanium dioxide, e.g. rutile
    • 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
    • B05D2602/00—Organic fillers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
    • B32B2037/243—Coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/06—Coating on the layer surface on metal layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • 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

Abstract

The invention belongs to the technical field of aluminum veneer surface treatment, in particular to a preparation process of a corrosion-resistant aluminum veneer, which comprises an aluminum base material, a passivation bottom layer and fluorocarbon finish paint, and comprises the following steps: s1, surface cleaning: polishing the surface of an aluminum veneer by adopting fine sand paper, and immersing the aluminum veneer into a degreasing agent for degreasing; s2, polishing and passivating: soaking the aluminum veneer treated in the step S1 in an aluminum polishing agent stock solution at normal temperature; s3, preparing a paint: 20-30 parts of thermosetting acrylic resin, 23-25 parts of PVDF fluorocarbon resin, 1-2 parts of second leveling agent, 1-2 parts of dispersing agent, 5-7 parts of titanium dioxide and 20-25 parts of butyl acetate are put into stirring equipment for mixing; s4, painting: coating the finish paint on the baked and passivated aluminum veneer; s5, a finished product: and (3) cold coating a protective film on the surface of the aluminum veneer, and packaging after coiling and shearing. According to the invention, the barrel in the stirring equipment is matched with the stirring plate, so that the stirring dead angle is eliminated, and the mixing efficiency is improved.

Description

Preparation process of corrosion-resistant aluminum veneer
Technical Field
The invention relates to the technical field of aluminum veneer surface treatment, in particular to a preparation process of a corrosion-resistant aluminum veneer.
Background
The aluminum veneer is a building decoration material which is processed and formed by adopting fluorocarbon spraying technology after being treated by chromizing and the like. The fluorocarbon coating mainly comprises polyvinylidene fluoride resin, and is divided into three types of primer, finish paint and varnish. The spraying process is generally classified as two-coat, three-coat or four-coat. The fluorocarbon coating has excellent corrosion resistance and weather resistance, can resist acid rain, salt fog and various air pollutants, has excellent heat resistance and cold resistance, can resist irradiation of strong ultraviolet rays, can keep fastness and chalking for a long time, and has long service life.
Over time, the surface coating of the building curtain wall can be subjected to phenomena of light loss, color change, pulverization and falling off in the atmospheric environment, so that a curtain wall substrate is exposed, the coating on the surface of the aluminum veneer can play a role in protecting the substrate, in the preparation process of the aluminum veneer, the preparation process of the aluminum veneer comprises the steps of preparing a paint surface and painting the aluminum veneer, in the preparation process of the paint surface, stirring equipment is required to be used for mixing raw materials, and the existing stirring equipment has the problem of low mixing efficiency, so that corresponding improvement is made for the problem.
Disclosure of Invention
Based on the technical problem of low mixing efficiency of the existing stirring equipment, the invention provides a preparation process of a corrosion-resistant aluminum veneer.
The invention provides a preparation process of a corrosion-resistant aluminum veneer, which comprises an aluminum base material, a passivation bottom layer and fluorocarbon finish paint, and comprises the following steps:
s1, surface cleaning: polishing the surface of an aluminum veneer by adopting fine sand paper, and immersing the aluminum veneer into a degreasing agent for degreasing;
s2, polishing and passivating: soaking the aluminum veneer treated in the step S1 in an aluminum polishing agent stock solution at normal temperature, quickly cleaning the aluminum veneer in clear water after polishing, and then soaking the aluminum veneer in an ash removal passivating agent for rinsing;
s3, preparing a paint: 20-30 parts of thermosetting acrylic resin, 23-25 parts of PVDF fluorocarbon resin, 1-2 parts of second leveling agent, 1-2 parts of dispersing agent, 5-7 parts of titanium pigment and 20-25 parts of butyl acetate are put into stirring equipment to be mixed, so as to obtain fluorocarbon finish paint;
s4, painting: coating the fluorocarbon finish paint in the step S3 on the baked and passivated aluminum veneer through a high-voltage electrostatic spray gun, baking and cooling after finishing;
s5, a finished product: and (3) cold coating a protective film on the surface of the aluminum veneer treated in the step (S4), and packaging after coiling and shearing.
Preferably, the stirring equipment comprises a base, the base top is provided with supporting mechanism, be provided with the ring gear on the supporting mechanism, fixedly connected with barrel in the ring gear, base top rear end fixedly connected with roof-rack, roof-rack top inner wall fixedly connected with electric putter, electric putter output shaft has the motor, motor output shaft has first axostylus axostyle, first axostylus axostyle circumference outer wall is provided with the stirring flitch that multiunit annular array distributes, base top one side rotates and is connected with the second axostylus axostyle, the cover is established and is fixed with the gear on the second axostylus axostyle, gear and ring gear meshing are connected, the impact plate that a plurality of annular arrays of second axostylus axostyle circumference outer wall fixedly connected with distribute, the cover is established and is fixed with the lantern ring on the first axostylus axostyle, a plurality of annular array distributed impact bars of lantern ring circumference outer wall fixedly connected with.
Preferably, the supporting mechanism comprises a fixed ring, the fixed ring is fixedly connected to the bottom of the toothed ring, an annular groove is formed in the bottom of the fixed ring, two symmetrically distributed movable blocks are connected in the annular groove in a sliding mode, the bottom of each movable block is fixedly connected with a supporting rod, and the supporting rods are fixedly connected with the base.
Preferably, the outer wall of one side of the stirring plate is provided with a plurality of uniformly distributed current transformers, the inner side surface of each current transformer is provided with a current transformer, the section of each current transformer is arc-shaped, the lengths of the current transformers are arranged to be gradually larger from inside to outside, the rear end of each current transformer is provided with an opening, and the opening is positioned in the tangential direction of one current transformer at the rear.
Preferably, two symmetrically distributed guide grooves are formed in the inner walls of the top and the bottom of the opening, guide blocks are connected in the guide grooves in a sliding mode, the same guide spring is fixedly connected between the guide blocks and the side walls of the guide grooves, the same pushing plate is fixedly connected between the two guide blocks on the same side, and the section of the pushing plate is arranged in a V shape.
Preferably, the same third shaft lever is rotationally connected between the inner walls of the top and the bottom of the opening, the circumferential outer wall of the third shaft lever is fixedly connected with a plurality of blades distributed in a ring-shaped array, and the widths of the blades are unequal.
Preferably, two of the variable flow plates positioned at two ends are fixedly connected with the stirring plates, the other variable flow plates are connected with the orientation mechanism, the orientation mechanism comprises an orientation block, an orientation groove is formed in the inner wall of one side of the stirring plate, which is close to the variable flow plates, the orientation block is slidably connected in the orientation groove, the same orientation spring is fixedly connected between the orientation block and the inner wall of the orientation groove, and the orientation block is fixedly connected with the variable flow plates.
Preferably, the bottom of the front end of the cylinder body is communicated with a discharge pipe, and an electromagnetic valve is fixedly connected in the discharge pipe.
Preferably, the stirring plate front end is fixedly penetrated by a fourth shaft rod, the fourth shaft rod is rotationally connected with the first shaft rod, a plurality of groups of fixing blocks distributed in annular arrays are fixedly connected to the circumferential inner wall of the cylinder body, and a spherical blocking part is arranged on the inner side surface of each fixing block.
Compared with the prior art, the invention provides a preparation process of a corrosion-resistant aluminum veneer, which has the following beneficial effects:
1. this preparation technology of corrosion-resistant aluminium veneer starts electric putter, electric putter output shaft drives motor, first axostylus axostyle, stir flitch, lantern ring and the whole downwardly moving of striking pole for stir the flitch and enter into in the barrel, then start the motor, motor output shaft drives first axostylus axostyle and stirs the flitch and rotate, mix the raw materials, simultaneously, first axostylus axostyle drives the lantern ring in step and the striking pole rotates, the striking pole drives and receives striking board, second axostylus axostyle and gear rotation, gear engagement drives the whole of ring gear and barrel and rotates, can pass through the rotation of barrel, with stirring flitch cooperation, eliminate the stirring dead angle at barrel inner wall edge, thereby improve the mixing efficiency to the raw materials.
2. According to the preparation process of the corrosion-resistant aluminum veneer, when the stirring plate rotates, the stirring plate is synchronously driven to rotate, the arc-shaped current transformation part and the opening are arranged on the current transformation plate, so that when one part of fluid passes through the current transformation part, the tangential flow of the current transformation part is realized, the other part of fluid flows through the opening, the flow direction of the fluid is increased, the mixing of the fluids is further promoted, the opening is arranged in the tangential direction of the current transformation part behind the current transformation part, the fluid formed by the current transformation part behind the current transformation part can impact the fluid at the opening in front, the mixing of raw materials is further promoted, and the pushing plate is arranged, namely the pushing plate can move along the guide block together under the impact of the fluid, along with the guide groove, the elastic movement of the guide spring is promoted, so that the two pushing plates form repeated pushing actions, the mixing of the raw materials is promoted, a stretching angle is formed between the two pushing plates, the fluid is convenient to impact the pushing plate, the movement of the pushing plate is promoted, and simultaneously, and when the pushing plate pushes the raw materials, the two pushing plates are convenient to spread outwards.
3. According to the preparation process of the corrosion-resistant aluminum veneer, under the action of fluid and the directional spring, the plurality of deflector plates at the middle position move back and forth along the directional groove along with the directional block, so that the position of an opening is changed, the fluid formed at the deflector part at the rear part is caused to continuously change the impact angle of the front opening part, the mixing of raw materials is further promoted, meanwhile, the fluid impacted from different angles is directly impacted onto the impeller plates, the impeller plates are promoted to rotate around the third shaft rod, and then the impeller plates are impacted through the impeller plates with different widths, so that the mixing of the raw materials is further promoted.
4. When the barrel rotates, the fixed block and the blocking part inside the barrel are synchronously driven to rotate, and the rotation speed of the barrel is smaller than that of the stirring plate, so that the stirring plate can be in contact with the blocking part, and the stirring plate can incline along the spherical surface of the blocking part, so that the direction of fluid is further changed, and the overall mixing efficiency is further improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a stirring device in a preparation process of a corrosion-resistant aluminum veneer;
FIG. 2 is a schematic view of the bottom structure of a fixing ring in the process for preparing a corrosion-resistant aluminum veneer according to the present invention;
fig. 3 is a schematic diagram of a current transformer mounting structure in a process for preparing a corrosion-resistant aluminum veneer according to the present invention;
FIG. 4 is an enlarged schematic view of the structure at A in the process for preparing a corrosion-resistant aluminum veneer according to the present invention;
FIG. 5 is a schematic diagram of a mounting structure of a directional block in a process for manufacturing a corrosion-resistant aluminum veneer according to the present invention;
FIG. 6 is a schematic diagram of a cross-sectional structure of a deflector in a process for preparing a corrosion-resistant aluminum veneer according to the present invention;
fig. 7 is a schematic diagram of the internal structure of a cylinder in the process for preparing a corrosion-resistant aluminum veneer according to the present invention.
In the figure: 1. a base; 2. a cylinder; 3. a top frame; 4. an electric push rod; 5. a motor; 6. a first shaft; 7. a stirring plate; 8. a second shaft; 9. a gear; 10. a strike plate; 11. a collar; 12. a striker rod; 13. a toothed ring; 14. a fixing ring; 15. a ring groove; 16. a movable block; 17. a support rod; 18. a discharge pipe; 19. a deflector plate; 20. a variable flow section; 21. an opening; 22. a guide groove; 23. a guide block; 24. a guide spring; 25. a pushing plate; 26. a directional groove; 27. an orientation block; 28. a directional spring; 29. a third shaft; 30. a blade; 31. a fourth shaft; 32. a fixed block; 33. an obstruction.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Examples
Referring to fig. 1-6, a process for preparing a corrosion-resistant aluminum veneer, comprising an aluminum substrate, a passivation bottom layer and a fluorocarbon finish, comprises the following steps:
s1, surface cleaning: polishing the surface of an aluminum veneer by adopting fine sand paper, and immersing the aluminum veneer into a degreasing agent for degreasing;
s2, polishing and passivating: soaking the aluminum veneer treated in the step S1 in an aluminum polishing agent stock solution at normal temperature, quickly cleaning the aluminum veneer in clear water after polishing, and then soaking the aluminum veneer in an ash removal passivating agent for rinsing;
s3, preparing a paint: 20-30 parts of thermosetting acrylic resin, 23-25 parts of PVDF fluorocarbon resin, 1-2 parts of second leveling agent, 1-2 parts of dispersing agent, 5-7 parts of titanium pigment and 20-25 parts of butyl acetate are put into stirring equipment to be mixed, so as to obtain fluorocarbon finish paint;
s4, painting: coating the fluorocarbon finish paint in the step S3 on the baked and passivated aluminum veneer through a high-voltage electrostatic spray gun, baking and cooling after finishing;
s5, a finished product: and (3) cold coating a protective film on the surface of the aluminum veneer treated in the step (S4), and packaging after coiling and shearing.
Further, agitated vessel includes base 1, base 1 top is provided with supporting mechanism, be provided with ring gear 13 on the supporting mechanism, fixedly connected with barrel 2 in the ring gear 13, base 1 top rear end fixedly connected with roof-rack 3, roof-rack 3 top inner wall fixedly connected with electric putter 4, electric putter 4 output shaft is connected with motor 5, motor 5 output shaft has first axostylus axostyle 6, first axostylus axostyle 6 circumference outer wall is provided with multiunit annular array distributed stirring board 7, base 1 top one side rotation is connected with second axostylus axostyle 8, the cover is fixed with gear 9 on the second axostylus axostyle 8, gear 9 and ring gear 13 meshing are connected, a plurality of annular array distributed strikers 10 of second axostylus axostyle 8 circumference outer wall fixedly connected with, the cover is fixed with lantern ring 11 on the first axostylus axostyle 6, a plurality of annular array distributed strikers 12 of lantern ring 11 circumference outer wall fixedly connected with.
Further, the supporting mechanism comprises a fixed ring 14, the fixed ring 14 is fixedly connected to the bottom of the toothed ring 13, a ring groove 15 is formed in the bottom of the fixed ring 14, two symmetrically distributed movable blocks 16 are connected in the ring groove 15 in a sliding mode, supporting rods 17 are fixedly connected to the bottoms of the movable blocks 16, and the supporting rods 17 are fixedly connected with the base 1.
Further, a plurality of evenly distributed current transformers 19 are arranged on the outer wall of one side of the stirring plate 7, current transformers 20 are arranged on the inner side surface of the current transformers 19, the section of each current transformer 20 is arc-shaped, the lengths of the current transformers 19 are gradually increased from inside to outside, an opening 21 is formed in the rear end of each current transformer 19, and the opening 21 is located in the tangential direction of one current transformer 20 at the rear.
Further, two symmetrically distributed guide grooves 22 are formed in the inner walls of the top and the bottom of the opening 21, guide blocks 23 are connected in a sliding mode in the guide grooves 22, the same guide spring 24 is fixedly connected between the guide blocks 23 and the side walls of the guide grooves 22, the same pushing plate 25 is fixedly connected between the two guide blocks 23 on the same side, and the section of the pushing plate 25 is arranged in a V shape.
Further, a third shaft lever 29 is rotatably connected between the top and bottom inner walls of the opening 21, and a plurality of annular array distributed blades 30 are fixedly connected to the circumferential outer wall of the third shaft lever 29, wherein the widths of the blades 30 are different.
Further, two of the current boards 19 located at two ends are fixedly connected with the stirring board 7, the other current boards 19 are connected with a directional mechanism, the directional mechanism comprises a directional block 27, a directional groove 26 is formed in the inner wall of one side of the stirring board 7, which is close to the current boards 19, the directional block 27 is slidably connected in the directional groove 26, the same directional spring 28 is fixedly connected between the directional block 27 and the inner wall of the directional groove 26, and the directional block 27 is fixedly connected with the current boards 19.
Further, the bottom of the front end of the cylinder 2 is communicated with a discharge pipe 18, and an electromagnetic valve is fixedly connected in the discharge pipe 18.
Working principle: during paint surface preparation, 20 parts of thermosetting acrylic resin, 23 parts of PVDF fluorocarbon resin, 1 part of a second leveling agent, 1 part of a dispersing agent, 5 parts of titanium dioxide, 20 parts of butyl acetate are put into a cylinder 2, an electric push rod 4 is started, an output shaft of the electric push rod 4 drives a motor 5, a first shaft rod 6, the stirring plate 7, a lantern ring 11 and an impact rod 12 to move downwards integrally, so that the stirring plate 7 enters the cylinder 2, then the motor 5 is started, an output shaft of the motor 5 drives the first shaft rod 6 and the stirring plate 7 to rotate, raw materials are mixed, simultaneously, the first shaft rod 6 synchronously drives a lantern ring 11 and an impact rod 12 to rotate, the impact rod 12 drives a collision plate 10, the second shaft rod 8 and a gear 9 to rotate, the gear 9 is meshed to drive a toothed ring 13 and the whole cylinder 2 to rotate, namely, the stirring dead angle of the inner wall edge of the cylinder 2 is eliminated, so that the mixing efficiency of the raw materials is improved, further, when the stirring plate 7 rotates, a converter plate 19 is synchronously driven to rotate, an arc-shaped converter 20 and an opening 21 are arranged on the converter plate 19, a part 21 can be driven by the converter plate 20 and an opening 21 can further move along the tangential direction of the fluid flowing along the opening 20, namely, the opening 20 can be further arranged along the tangential direction of the opening 20, and the opening 20 can be further formed, and the flow can be further contacted with the flow through the opening 20, and the opening 20 is further, and the opening is formed, and the opening is further contacted with the opening 20, and the opening is formed along the opening and the opening 20, and the opening is further, and the flow-shaped and the opening is contacted with the opening, and the flow 20, the two pushing plates 25 form repeated pushing actions to promote mixing of raw materials, the sections of the pushing plates 25 are arranged in a V shape, an opening angle is formed between the two pushing plates 25, fluid is convenient to impact on the pushing plates 25 to promote movement of the pushing plates 25, meanwhile, when the pushing plates 25 push the raw materials, the raw materials between the two pushing plates 25 are convenient to spread outwards, further, under the action of the fluid and the directional springs 28, the plurality of deflector plates 19 in the middle position follow the directional blocks 27 together and reciprocate along the directional grooves 26, the positions of the openings 21 are changed, the impact angle of the fluid formed at the position of the deflector parts 20 at the rear is changed continuously, so that mixing of the raw materials is further promoted, meanwhile, the fluid impacted from different angles is utilized to directly impact on the deflector plates 30, the deflector plates 30 are promoted to rotate around the fourth shaft rods 31, the deflector plates 30 are impacted on the pushing plates 25, and mixing of the raw materials is further promoted.
Examples
Referring to fig. 1-7, a process for preparing a corrosion-resistant aluminum veneer, comprising an aluminum substrate, a passivation bottom layer and a fluorocarbon finish, comprises the following steps:
s1, surface cleaning: polishing the surface of an aluminum veneer by adopting fine sand paper, and immersing the aluminum veneer into a degreasing agent for degreasing;
s2, polishing and passivating: soaking the aluminum veneer treated in the step S1 in an aluminum polishing agent stock solution at normal temperature, quickly cleaning the aluminum veneer in clear water after polishing, and then soaking the aluminum veneer in an ash removal passivating agent for rinsing;
s3, preparing a paint: 20-30 parts of thermosetting acrylic resin, 23-25 parts of PVDF fluorocarbon resin, 1-2 parts of second leveling agent, 1-2 parts of dispersing agent, 5-7 parts of titanium pigment and 20-25 parts of butyl acetate are put into stirring equipment to be mixed, so as to obtain fluorocarbon finish paint;
s4, painting: coating the fluorocarbon finish paint in the step S3 on the baked and passivated aluminum veneer through a high-voltage electrostatic spray gun, baking and cooling after finishing;
s5, a finished product: and (3) cold coating a protective film on the surface of the aluminum veneer treated in the step (S4), and packaging after coiling and shearing.
Further, agitated vessel includes base 1, base 1 top is provided with supporting mechanism, be provided with ring gear 13 on the supporting mechanism, fixedly connected with barrel 2 in the ring gear 13, base 1 top rear end fixedly connected with roof-rack 3, roof-rack 3 top inner wall fixedly connected with electric putter 4, electric putter 4 output shaft is connected with motor 5, motor 5 output shaft has first axostylus axostyle 6, first axostylus axostyle 6 circumference outer wall is provided with multiunit annular array distributed stirring board 7, base 1 top one side rotation is connected with second axostylus axostyle 8, the cover is fixed with gear 9 on the second axostylus axostyle 8, gear 9 and ring gear 13 meshing are connected, a plurality of annular array distributed strikers 10 of second axostylus axostyle 8 circumference outer wall fixedly connected with, the cover is fixed with lantern ring 11 on the first axostylus axostyle 6, a plurality of annular array distributed strikers 12 of lantern ring 11 circumference outer wall fixedly connected with.
Further, the supporting mechanism comprises a fixed ring 14, the fixed ring 14 is fixedly connected to the bottom of the toothed ring 13, a ring groove 15 is formed in the bottom of the fixed ring 14, two symmetrically distributed movable blocks 16 are connected in the ring groove 15 in a sliding mode, supporting rods 17 are fixedly connected to the bottoms of the movable blocks 16, and the supporting rods 17 are fixedly connected with the base 1.
Further, a plurality of evenly distributed current transformers 19 are arranged on the outer wall of one side of the stirring plate 7, current transformers 20 are arranged on the inner side surface of the current transformers 19, the section of each current transformer 20 is arc-shaped, the lengths of the current transformers 19 are gradually increased from inside to outside, an opening 21 is formed in the rear end of each current transformer 19, and the opening 21 is located in the tangential direction of one current transformer 20 at the rear.
Further, two symmetrically distributed guide grooves 22 are formed in the inner walls of the top and the bottom of the opening 21, guide blocks 23 are connected in a sliding mode in the guide grooves 22, the same guide spring 24 is fixedly connected between the guide blocks 23 and the side walls of the guide grooves 22, the same pushing plate 25 is fixedly connected between the two guide blocks 23 on the same side, and the section of the pushing plate 25 is arranged in a V shape.
Further, a third shaft lever 29 is rotatably connected between the top and bottom inner walls of the opening 21, and a plurality of annular array distributed blades 30 are fixedly connected to the circumferential outer wall of the third shaft lever 29, wherein the widths of the blades 30 are different.
Further, two of the current boards 19 located at two ends are fixedly connected with the stirring board 7, the other current boards 19 are connected with a directional mechanism, the directional mechanism comprises a directional block 27, a directional groove 26 is formed in the inner wall of one side of the stirring board 7, which is close to the current boards 19, the directional block 27 is slidably connected in the directional groove 26, the same directional spring 28 is fixedly connected between the directional block 27 and the inner wall of the directional groove 26, and the directional block 27 is fixedly connected with the current boards 19.
Further, the bottom of the front end of the cylinder 2 is communicated with a discharge pipe 18, and an electromagnetic valve is fixedly connected in the discharge pipe 18.
Further, the front end of the stirring plate 7 is fixedly penetrated by a fourth shaft lever 31, the fourth shaft lever 31 is rotationally connected with the first shaft lever 6, a plurality of groups of fixing blocks 32 distributed in annular arrays are fixedly connected to the circumferential inner wall of the cylinder 2, and a spherical blocking part 33 is arranged on the inner side surface of the fixing blocks 32.
Working principle: during paint surface preparation, 20 parts of thermosetting acrylic resin, 23 parts of PVDF fluorocarbon resin, 1 part of a second leveling agent, 1 part of a dispersing agent, 5 parts of titanium dioxide, 20 parts of butyl acetate are put into a cylinder 2, an electric push rod 4 is started, an output shaft of the electric push rod 4 drives a motor 5, a first shaft rod 6, the stirring plate 7, a lantern ring 11 and an impact rod 12 to move downwards integrally, so that the stirring plate 7 enters the cylinder 2, then the motor 5 is started, an output shaft of the motor 5 drives the first shaft rod 6 and the stirring plate 7 to rotate, raw materials are mixed, simultaneously, the first shaft rod 6 synchronously drives a lantern ring 11 and an impact rod 12 to rotate, the impact rod 12 drives a collision plate 10, the second shaft rod 8 and a gear 9 to rotate, the gear 9 is meshed to drive a toothed ring 13 and the whole cylinder 2 to rotate, namely, the stirring dead angle of the inner wall edge of the cylinder 2 is eliminated, so that the mixing efficiency of the raw materials is improved, further, when the stirring plate 7 rotates, a converter plate 19 is synchronously driven to rotate, an arc-shaped converter 20 and an opening 21 are arranged on the converter plate 19, a part 21 can be driven by the converter plate 20 and an opening 21 can further move along the tangential direction of the fluid flowing along the opening 20, namely, the opening 20 can be further arranged along the tangential direction of the opening 20, and the opening 20 can be further formed, and the flow can be further contacted with the flow through the opening 20, and the opening 20 is further, and the opening is formed, and the opening is further contacted with the opening 20, and the opening is formed along the opening and the opening 20, and the opening is further, and the flow-shaped and the opening is contacted with the opening, and the flow 20, so that the two pushing plates 25 form repeated pushing actions to promote the mixing of raw materials, the section of the pushing plates 25 is arranged in a V shape, an opening angle is formed between the two pushing plates 25 to facilitate the impact of fluid on the pushing plates 25 to promote the movement of the pushing plates 25, meanwhile, when the pushing plates 25 push the raw materials, the raw materials between the two pushing plates 25 are convenient to diffuse outwards, further, under the action of the fluid and the directional spring 28, the plurality of deflector plates 19 at the middle position move back and forth along the directional groove 26 along with the directional block 27 to change the position of the opening 21, so that the impact angle of the fluid formed at the rear deflector 20 to the front opening 21 is changed continuously, thereby further promote the mixing to the raw materials, utilize simultaneously the fluid that strikes from different angles, directly strike on the paddle 30, promote the paddle 30 to take place to rotate around third axostylus axostyle 29, then form striking to pushing plate 25 through the paddle 30 of different width, thereby further promote the mixing of raw materials, further, when barrel 2 rotates, the fixed block 32 and the hindrance portion 33 of synchronous drive its inside rotate, because the rotational speed of barrel 2 is less than the rotational speed of stirring board 7, therefore stirring board 7 can take place to contact with the hindrance portion 33, stirring board 7 can take place the slope along the spherical surface of hindrance portion 33 this moment, thereby make the direction of fluid further change, thereby further improve whole mixing efficiency.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

Claims (3)

1. A preparation process of a corrosion-resistant aluminum veneer comprises the following steps:
s1, surface cleaning: polishing the surface of an aluminum veneer by adopting fine sand paper, and immersing the aluminum veneer into a degreasing agent for degreasing;
s2, polishing and passivating: soaking the aluminum veneer treated in the step S1 in an aluminum polishing agent stock solution at normal temperature, quickly cleaning the aluminum veneer in clear water after polishing, and then soaking the aluminum veneer in an ash removal passivating agent for rinsing;
s3, preparing a paint: 20-30 parts of thermosetting acrylic resin, 23-25 parts of PVDF fluorocarbon resin, 1-2 parts of second leveling agent, 1-2 parts of dispersing agent, 5-7 parts of titanium pigment and 20-25 parts of butyl acetate are put into stirring equipment to be mixed, so as to obtain fluorocarbon finish paint;
s4, painting: coating the fluorocarbon finish paint in the step S3 on the baked and passivated aluminum veneer through a high-voltage electrostatic spray gun, baking and cooling after finishing;
s5, a finished product: coating a protective film on the surface of the aluminum veneer treated in the step S4, and packaging after coiling and shearing;
the stirring equipment comprises a base (1), a supporting mechanism is arranged at the top of the base (1), a toothed ring (13) is arranged on the supporting mechanism, a cylinder body (2) is fixedly connected in the toothed ring (13), an upper frame (3) is fixedly connected to the rear end of the top of the base (1), an electric push rod (4) is fixedly connected to the inner wall of the top of the upper frame (3), a motor (5) is connected to an output shaft of the electric push rod (4), a first shaft rod (6) is connected to the output shaft of the motor (5), a plurality of groups of stirring plates (7) distributed in annular arrays are arranged on the circumferential outer wall of the first shaft rod (6), a second shaft rod (8) is rotatably connected to one side of the top of the base (1), a gear (9) is fixedly sleeved on the second shaft rod (8), a plurality of collision plates (10) distributed in annular arrays are fixedly connected to the circumferential outer wall of the second shaft rod (8), a collar (11) is fixedly sleeved on the first shaft rod (6), and a plurality of collision rods (12) distributed in annular arrays are fixedly connected to the circumferential outer wall of the collar (11).
The stirring device is characterized in that a plurality of uniformly distributed current transformers (19) are arranged on the outer wall of one side of the stirring plate (7), current transformers (20) are arranged on the inner side surface of each current transformer (19), the sections of the current transformers (20) are arc-shaped, the lengths of the current transformers (19) are gradually increased from inside to outside, an opening (21) is formed in the rear end of each current transformer (19), and the opening (21) is located in the tangential direction of one current transformer (20) at the rear;
two symmetrically distributed guide grooves (22) are formed in the inner walls of the top and the bottom of the opening (21), guide blocks (23) are connected in the guide grooves (22) in a sliding mode, the same guide spring (24) is fixedly connected between the guide blocks (23) and the side walls of the guide grooves (22), the same pushing plate (25) is fixedly connected between the two guide blocks (23) on the same side, and the section of the pushing plate (25) is arranged in a V shape;
the two deflector plates (19) at two ends are fixedly connected with the stirring plates (7), other deflector plates (19) are connected with an orientation mechanism, the orientation mechanism comprises an orientation block (27), an orientation groove (26) is formed in the inner wall of one side of the stirring plates (7) close to the deflector plates (19), the orientation block (27) is slidably connected in the orientation groove (26), the same orientation spring (28) is fixedly connected between the orientation block (27) and the inner wall of the orientation groove (26), and the orientation block (27) is fixedly connected with the deflector plates (19);
the upper part and the lower part of the opening (21) are rotatably connected with the same third shaft lever (29), the circumferential outer wall of the third shaft lever (29) is fixedly connected with a plurality of blades (30) distributed in an annular array, and the widths of the blades (30) are unequal;
the position of the opening (21) is changed, so that the impact angle of fluid formed at the rear flow converting part (20) on the front opening (21) is changed continuously, the mixing of raw materials is further promoted, meanwhile, the fluid impacted from different angles is directly impacted on the blade plate (30), the blade plate (30) is promoted to rotate around the third shaft lever (29), and then the blade plate (30) with different widths impacts the pushing plate (25), so that the mixing of the raw materials is further promoted;
the front end of the stirring plate (7) is fixedly penetrated by a fourth shaft lever (31), the fourth shaft lever (31) is rotationally connected with the first shaft lever (6), a plurality of groups of fixed blocks (32) distributed in a ring-shaped array are fixedly connected to the inner wall of the circumference of the cylinder body (2), and a spherical blocking part (33) is arranged on the inner side surface of the fixed blocks (32);
further, when the barrel (2) rotates, the fixed block (32) and the blocking part (33) in the barrel are synchronously driven to rotate, and the rotation speed of the barrel (2) is smaller than that of the stirring plate (7), so that the stirring plate (7) can be contacted with the blocking part (33), and the stirring plate (7) can incline along the spherical surface of the blocking part (33) at the moment, so that the direction of fluid is further changed, and the overall mixing efficiency is further improved.
2. The process for preparing the corrosion-resistant aluminum veneer according to claim 1, wherein the supporting mechanism comprises a fixed ring (14), the fixed ring (14) is fixedly connected to the bottom of the toothed ring (13), an annular groove (15) is formed in the bottom of the fixed ring (14), two symmetrically distributed movable blocks (16) are slidably connected in the annular groove (15), a supporting rod (17) is fixedly connected to the bottom of the movable blocks (16), and the supporting rod (17) is fixedly connected with the base (1).
3. The process for preparing the corrosion-resistant aluminum veneer according to claim 2, wherein a discharge pipe (18) is communicated with the bottom of the front end of the cylinder (2), and an electromagnetic valve is fixedly connected in the discharge pipe (18).
CN202210403695.2A 2022-04-18 2022-04-18 Preparation process of corrosion-resistant aluminum veneer Active CN114769097B (en)

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