CN110801970A - Aluminum profile surface spraying device and processing method thereof - Google Patents
Aluminum profile surface spraying device and processing method thereof Download PDFInfo
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- CN110801970A CN110801970A CN201911098580.1A CN201911098580A CN110801970A CN 110801970 A CN110801970 A CN 110801970A CN 201911098580 A CN201911098580 A CN 201911098580A CN 110801970 A CN110801970 A CN 110801970A
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- booster pump
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- aluminum profile
- spraying
- profile surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
- B05B13/0405—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with reciprocating or oscillating spray heads
- B05B13/041—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with reciprocating or oscillating spray heads with spray heads reciprocating along a straight line
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
- B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
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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
- B05D3/04—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 exposure to gases
- B05D3/0406—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 exposure to gases the gas being air
- B05D3/0413—Heating with air
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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
- B05D3/10—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
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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
- 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
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/58—No clear coat specified
- B05D7/584—No clear coat specified at least some layers being let to dry, at least partially, before applying the next layer
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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
- B05D2202/00—Metallic substrate
- B05D2202/20—Metallic substrate based on light metals
- B05D2202/25—Metallic substrate based on light metals based on Al
Abstract
The invention discloses an aluminum profile surface spraying device, and belongs to the technical field of aluminum profile surface spraying. The aluminum profile surface spraying device comprises a sealing box, a base and a workpiece fixing table, wherein the base is positioned in the sealing box, the workpiece fixing table is fixedly arranged on the base, the outer wall of the sealing box is connected with a controller, the base is connected with a rack in a sliding manner, and the rack is connected with a spraying mechanism; the machine frame also comprises a driving mechanism which enables the machine frame to reciprocate relative to the workpiece fixing table; the dryer is connected to the rack, a plurality of groups of air outlets are arranged at the bottom of the dryer, and the air outlets can move in parallel relative to the workpiece fixing table; according to the invention, through timely drying of the dryer, the workpiece is convenient to take, the processing efficiency and the anti-permeation capability are improved, the protection of the ground material is enhanced, the metal surface layer is stabilized, the adhesive force of the finish paint and the metal surface is enhanced, and the color uniformity of the finish paint pattern layer can be ensured.
Description
Technical Field
The invention relates to the technical field of aluminum profile surface spraying, in particular to an aluminum profile surface spraying device and a processing method thereof.
Background
The aluminium product is made up by using aluminium and other alloy elements, and is made up by using aluminium as main metal element and adding some alloy elements to raise the performance of aluminium product.
The aluminum alloy is used as the most widely applied aluminum profile, the social demand is quite large, in order to increase the performance of the aluminum profile, people often spray a protective film on the outer surface of the aluminum profile, however, in the existing spraying equipment, the surface of the aluminum profile is not uniformly sprayed, the spraying effect is poor, and on the other hand, the surface of the aluminum profile is easily corroded and faded in rain and snow weather in the existing spraying process, so that the performance of the aluminum profile is affected.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an aluminum profile surface spraying device.
In order to achieve the purpose, the invention adopts the following technical scheme:
the aluminum profile surface spraying device comprises a sealing box, a base and a workpiece fixing table, wherein the base is positioned in the sealing box, the workpiece fixing table is fixedly arranged on the base, the outer wall of the sealing box is connected with a controller, the base is connected with a rack in a sliding manner, and the rack is connected with a spraying mechanism;
the machine frame also comprises a driving mechanism which enables the machine frame to reciprocate relative to the workpiece fixing table;
the drying machine is connected to the rack, a plurality of groups of air outlets are arranged at the bottom of the drying machine, and the air outlets can move in parallel relative to the workpiece fixing table.
Preferably, the spraying mechanism comprises a box body at the top of the frame, a booster pump A, a booster pump B, a booster pump C and a booster pump D are arranged in the box body, a liquid mixing cavity is connected in the box body, the side wall of the liquid mixing cavity is connected with a first motor, a stirring part is connected in the liquid mixing cavity, the stirring part is rotationally connected with the first motor, the input end of the booster pump A is connected with a liquid inlet pipe, the output end of the booster pump A is hermetically connected with the top of the liquid mixing cavity through a pipeline, the input ends of the booster pump B, the booster pump C and the booster pump D are hermetically connected with the bottom of the liquid mixing cavity through pipelines, the bottom of the box body is connected with a spraying cover through a telescopic mechanism, a liquid outlet pipe is arranged in the telescopic mechanism, the liquid outlet pipe is communicated with the spraying cover, and the output ends of the booster pump B, the booster pump C and the booster pump D are connected with the liquid outlet pipe.
Preferably, the telescopic mechanism comprises a plurality of hollow sleeves, and the liquid outlet pipe is positioned in the hollow sleeves.
Preferably, the bottom of the spraying cover is detachably connected with a plurality of groups of atomizing nozzles.
Preferably, the booster pump A is fixedly connected to the inner wall of the top of the box body, and the booster pump B, the booster pump C and the booster pump D are fixedly connected to the inner wall of the bottom of the box body.
Preferably, actuating mechanism includes second motor, casing fixed connection is in the frame, second motor fixed connection is at the top of casing, shells inner wall rotates and is connected with the gear, gear fixed connection is at the output of second motor, the base lateral wall is connected with the teeth of a cogwheel, gear and the teeth of a cogwheel are to the meshing.
Preferably, the booster pump A, the booster pump B, the booster pump C, the booster pump D, the first motor and the second motor are electrically connected with the controller.
Preferably, the side wall of the seal box is slidably connected with a protective door, and the protective door is sealed to form a sealed cavity when being attached to the seal box.
The aluminum profile surface spraying method comprises the following processing steps:
the method comprises the following steps: pretreatment for removing oil and dirt on the workpiece: water washing, alkali washing, water washing, acid washing, chromizing, water washing and pure water washing;
step two: placing the workpiece subjected to oil and stain removal in the first step on a workpiece fixing table for fixing;
step three: starting the controller to preheat the device for 3-5min, then starting the booster pump A, and synchronously starting the first motor to enable the stirring part to mix the spraying liquid;
step four: thirdly, starting the booster pump B, the booster pump C and the booster pump D to spray the spraying liquid in the liquid mixing cavity to the workpiece through an atomizing nozzle on the spraying cover;
step five: synchronously starting the driving mechanism to enable the rack to move on the base, so that the spraying cover moves above the workpiece at a constant speed to finish the spraying of the primer;
step six: continuing the step five, and simultaneously starting the dryer to dry the sprayed workpiece; repeating the second step to the fifth step to finish paint spraying and finishing paint spraying;
step seven: baking and curing the workpiece after the step six, taking out the workpiece, and baking the workpiece in a curing oven at the temperature of 190-240 ℃ for 18-20 minutes;
step eight: and (6) performing quality inspection.
Compared with the prior art, the invention provides an aluminum profile surface spraying device, which has the following beneficial effects:
the coating anti-permeation capability is improved through primer spraying, the protection of a coating layer is enhanced, a metal surface layer is stabilized, the adhesive force between finish paint and the metal surface is enhanced, the color uniformity of the finish paint coating layer can be ensured, the thickness of the coating layer is 6-9 micrometers, the finish paint is used for providing the required decorative color of an aluminum product, the appearance of the aluminum product meets the design requirement, the metal surface is protected from the external environment atmosphere, the corrosion of acid rain is caused, ultraviolet rays are placed for penetrating, the high aging capability is improved, the finish paint coating layer is the thickest layer in the spraying, the thickness is 30 micrometers, the main purpose of finishing paint is to more effectively enhance the external corrosion resistance of the coating layer, the processing method can adopt three devices for spraying, the timely drying is realized through a dryer, the taking of workpieces is facilitated, and the processing efficiency.
Drawings
Fig. 1 is a first structural schematic diagram of an aluminum profile surface spraying device provided by the invention;
fig. 2 is a schematic structural diagram of an aluminum profile surface spraying device provided by the invention;
fig. 3 is a schematic structural diagram of an aluminum profile surface spraying device provided by the invention;
fig. 4 is a schematic structural diagram of an aluminum profile surface spraying device provided by the invention;
fig. 5 is a schematic structural diagram of an aluminum profile surface spraying device provided by the invention;
fig. 6 is a schematic structural view of a portion a in fig. 3 of the aluminum profile surface spraying device according to the present invention;
fig. 7 is a schematic structural view of a part B in fig. 5 of the aluminum profile surface spraying device provided by the invention.
In the figure: 1. a sealing box; 101. a controller; 102. a liquid inlet pipe; 103. a protective door; 2. a base; 201. a frame; 202. a workpiece fixing table; 3. a box body; 301. a hollow sleeve; 3011. a liquid outlet pipe; 302. spraying a cover; 3021. an atomizing spray head; 303. a booster pump A; 304. a booster pump B; 305. a booster pump C; 306. a booster pump D; 307. a liquid mixing cavity; 308. a first motor; 309. a stirring section; 4. a dryer; 401. an air outlet; 501. a housing; 502. a second motor; 503. a gear; 504. and (4) gear teeth.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, 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 particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
referring to fig. 1-7, an aluminum profile surface spraying device comprises a seal box 1, a base 2 located in the seal box 1, and a workpiece fixing table 202 fixedly arranged on the base 2, wherein the outer wall of the seal box 1 is connected with a controller 101, the base 2 is slidably connected with a rack 201, and the rack 201 is connected with a spraying mechanism;
a driving mechanism for reciprocating the frame 201 relative to the workpiece fixing table 202;
the drying machine 4 is connected to the rack 201, a plurality of air outlets 401 are arranged at the bottom of the drying machine 4, and the air outlets 401 can move in parallel relative to the workpiece fixing table 202.
The spraying mechanism comprises a box body 3 at the top of the rack 201, a booster pump A303 is arranged inside the box body 3, a booster pump B304, a booster pump C305 and a booster pump D306 are arranged inside the box body, a liquid mixing cavity 307 is connected inside the box body 3, the side wall of the liquid mixing cavity 307 is connected with a first motor 308, a stirring part 309 is connected inside the liquid mixing cavity 307, the stirring part 309 is connected with the first motor 308 in a rotating mode, the input end of the booster pump A303 is connected with a liquid inlet pipe 102, the output end of the booster pump A303 is connected with the top of the liquid mixing cavity 307 in a sealing mode through a pipeline, the booster pump B304, the booster pump C305 and the input end of the booster pump D306 are connected with the bottom of the liquid mixing cavity 307 in a sealing mode through pipelines, a spraying cover 302 is connected to the bottom of the box body 3 through a telescopic mechanism, a liquid outlet pipe 3011 is arranged inside.
The telescopic mechanism comprises a plurality of hollow sleeves 301, and the liquid outlet pipe 3011 is located in the hollow sleeves 301.
The bottom of the spraying cover 302 is detachably connected with a plurality of groups of atomizing nozzles 3021.
The booster pump A303 is fixedly connected to the top inner wall of the box body 3, and the booster pump B304, the booster pump C305 and the booster pump D306 are fixedly connected to the bottom inner wall of the box body 3.
The driving mechanism comprises a second motor 502 and a shell 501, the shell 501 is fixedly connected to the rack 201, the second motor 502 is fixedly connected to the top of the shell 501, a gear 503 is rotatably connected to the inner wall of the shell 501, the gear 503 is fixedly connected to the output end of the second motor 502, gear teeth 504 are connected to the side wall of the base 2, and the gear 503 is meshed with the gear teeth 504.
The booster pump A303, the booster pump B304, the booster pump C305, the booster pump D306, and the first motor 308 and the second motor 502 are electrically connected to the controller 101.
The side wall of the seal box 1 is connected with a protective door 103 in a sliding manner, and the protective door 103 is sealed to form a sealed cavity when being attached to the seal box 1.
When in use, firstly, the workpiece is degreased and decontaminated to generate a chromized film, the bonding force and the oxidation resistance of the pattern layer and the metal surface are increased, the service life of a paint film is prolonged, the workpiece is placed on the workpiece fixing table 202, the workpiece fixing table 202 is an existing machine tool fixture tool, or a tool fixture which is convenient for rotating and moving the workpiece can be adopted, so that multi-surface spraying on the workpiece is avoided, after the workpiece is fixed, the booster pump A303 and the first motor 308 are controlled by the controller 101 to synchronously operate, so that spraying liquid is mixed and uniform, then the gear 503 is driven to rotate by the second motor 502, so that the gear 503 is meshed with the gear teeth 504 on the base 2 to enable the frame 201 to reciprocate on the base 2, and the spraying cover 302 is positioned above the workpiece by the hollow sleeve 301, the hollow sleeve 301 in the scheme can be operated by an electric telescopic rod or a manual operation in the prior art, during spraying, the sprayed workpiece is dried and solidified in time through the dryer 4 on the side wall of the rack 201, so that the working efficiency is improved.
The aluminum profile surface spraying method comprises the following processing steps:
the method comprises the following steps: pretreatment for removing oil and dirt on the workpiece: water washing, alkali washing, water washing, acid washing, chromizing, water washing and pure water washing;
step two: placing the workpiece subjected to oil removal and decontamination in the first step on a workpiece fixing table 202 for fixing;
step three: starting the controller 101 to preheat the device for 3-5min, then starting the booster pump A303, synchronously starting the first motor 308, and mixing the spraying liquid by the stirring part 309;
step four: thirdly, starting the booster pump B304, the booster pump C305 and the booster pump D306 to spray the spraying liquid in the liquid mixing cavity 307 on the workpiece through the atomizing nozzle 3021 on the spraying cover 302;
step five: synchronously starting the driving mechanism to enable the rack 201 to move on the base 2, so that the spraying cover 302 moves at a constant speed above the workpiece to finish the spraying of the primer;
step six: continuing the step five, simultaneously starting the dryer 4 to dry the sprayed workpiece; repeating the second step to the fifth step to finish paint spraying and finishing paint spraying;
step seven: baking and curing the workpiece after the step six, taking out the workpiece, and baking the workpiece in a curing oven at the temperature of 190 ℃ for 18 minutes;
step eight: and (6) performing quality inspection.
The anti-infiltration capacity of the coating is improved through primer spraying, the protection of the ground material is enhanced, the metal surface layer is stabilized, the adhesive force between the finish paint and the metal surface is enhanced, the color uniformity of the finish paint coating can be ensured, the thickness of the paint coating is 6-9 micrometers, the finish paint is in the decoration color required by the aluminum material, the appearance of the aluminum material meets the design requirement, the metal surface is protected from the external environment atmosphere, the erosion of acid rain is caused, ultraviolet rays are placed to penetrate through the finish paint coating, the high aging capacity is improved, the finish paint coating is the thickest layer in the spraying, the thickness of the finish paint coating is 30 micrometers, the main purpose of the finish paint is to effectively enhance the external erosion resistance of the paint coating, the processing method can adopt three devices for spraying, the drying is carried out in time through a drying machine 4.
The processed workpiece is placed in a curing furnace to be baked for 18 minutes, the temperature is controlled within 190 ℃, the detection is qualified, and the surface oxidation resistance and the chroma are obviously improved.
Example 2:
referring to fig. 1-7, an aluminum profile surface spraying device comprises a seal box 1, a base 2 located in the seal box 1, and a workpiece fixing table 202 fixedly arranged on the base 2, wherein the outer wall of the seal box 1 is connected with a controller 101, the base 2 is slidably connected with a rack 201, and the rack 201 is connected with a spraying mechanism;
a driving mechanism for reciprocating the frame 201 relative to the workpiece fixing table 202;
the drying machine 4 is connected to the rack 201, a plurality of air outlets 401 are arranged at the bottom of the drying machine 4, and the air outlets 401 can move in parallel relative to the workpiece fixing table 202.
The spraying mechanism comprises a box body 3 at the top of the rack 201, a booster pump A303 is arranged inside the box body 3, a booster pump B304, a booster pump C305 and a booster pump D306 are arranged inside the box body, a liquid mixing cavity 307 is connected inside the box body 3, the side wall of the liquid mixing cavity 307 is connected with a first motor 308, a stirring part 309 is connected inside the liquid mixing cavity 307, the stirring part 309 is connected with the first motor 308 in a rotating mode, the input end of the booster pump A303 is connected with a liquid inlet pipe 102, the output end of the booster pump A303 is connected with the top of the liquid mixing cavity 307 in a sealing mode through a pipeline, the booster pump B304, the booster pump C305 and the input end of the booster pump D306 are connected with the bottom of the liquid mixing cavity 307 in a sealing mode through pipelines, a spraying cover 302 is connected to the bottom of the box body 3 through a telescopic mechanism, a liquid outlet pipe 3011 is arranged inside.
The telescopic mechanism comprises a plurality of hollow sleeves 301, and the liquid outlet pipe 3011 is located in the hollow sleeves 301.
The bottom of the spraying cover 302 is detachably connected with a plurality of groups of atomizing nozzles 3021.
The booster pump A303 is fixedly connected to the top inner wall of the box body 3, and the booster pump B304, the booster pump C305 and the booster pump D306 are fixedly connected to the bottom inner wall of the box body 3.
The driving mechanism comprises a second motor 502 and a shell 501, the shell 501 is fixedly connected to the rack 201, the second motor 502 is fixedly connected to the top of the shell 501, a gear 503 is rotatably connected to the inner wall of the shell 501, the gear 503 is fixedly connected to the output end of the second motor 502, gear teeth 504 are connected to the side wall of the base 2, and the gear 503 is meshed with the gear teeth 504.
The booster pump A303, the booster pump B304, the booster pump C305, the booster pump D306, and the first motor 308 and the second motor 502 are electrically connected to the controller 101.
The side wall of the seal box 1 is connected with a protective door 103 in a sliding manner, and the protective door 103 is sealed to form a sealed cavity when being attached to the seal box 1.
When in use, firstly, the workpiece is degreased and decontaminated to generate a chromized film, the bonding force and the oxidation resistance of the pattern layer and the metal surface are increased, the service life of a paint film is prolonged, the workpiece is placed on the workpiece fixing table 202, the workpiece fixing table 202 is an existing machine tool fixture tool, or a tool fixture which is convenient for rotating and moving the workpiece can be adopted, so that multi-surface spraying on the workpiece is avoided, after the workpiece is fixed, the booster pump A303 and the first motor 308 are controlled by the controller 101 to synchronously operate, so that spraying liquid is mixed and uniform, then the gear 503 is driven to rotate by the second motor 502, so that the gear 503 is meshed with the gear teeth 504 on the base 2 to enable the frame 201 to reciprocate on the base 2, and the spraying cover 302 is positioned above the workpiece by the hollow sleeve 301, the hollow sleeve 301 in the scheme can be operated by an electric telescopic rod or a manual operation in the prior art, during spraying, the sprayed workpiece is dried and solidified in time through the dryer 4 on the side wall of the rack 201, so that the working efficiency is improved.
The aluminum profile surface spraying method comprises the following processing steps:
the method comprises the following steps: pretreatment for removing oil and dirt on the workpiece: water washing, alkali washing, water washing, acid washing, chromizing, water washing and pure water washing;
step two: placing the workpiece subjected to oil removal and decontamination in the first step on a workpiece fixing table 202 for fixing;
step three: starting the controller 101 to preheat the device for 3-5min, then starting the booster pump A303, synchronously starting the first motor 308, and mixing the spraying liquid by the stirring part 309;
step four: thirdly, starting the booster pump B304, the booster pump C305 and the booster pump D306 to spray the spraying liquid in the liquid mixing cavity 307 on the workpiece through the atomizing nozzle 3021 on the spraying cover 302;
step five: synchronously starting the driving mechanism to enable the rack 201 to move on the base 2, so that the spraying cover 302 moves at a constant speed above the workpiece to finish the spraying of the primer;
step six: continuing the step five, simultaneously starting the dryer 4 to dry the sprayed workpiece; repeating the second step to the fifth step to finish paint spraying and finishing paint spraying;
step seven: baking and curing the workpiece after the step six, taking out the workpiece, and baking the workpiece in a curing oven at the temperature of 240 ℃ for 20 minutes;
step eight: and (6) performing quality inspection.
The anti-infiltration capacity of the coating is improved through primer spraying, the protection of the ground material is enhanced, the metal surface layer is stabilized, the adhesive force between the finish paint and the metal surface is enhanced, the color uniformity of the finish paint coating can be ensured, the thickness of the paint coating is 6-9 micrometers, the finish paint is in the decoration color required by the aluminum material, the appearance of the aluminum material meets the design requirement, the metal surface is protected from the external environment atmosphere, the erosion of acid rain is caused, ultraviolet rays are placed to penetrate through the finish paint coating, the high aging capacity is improved, the finish paint coating is the thickest layer in the spraying, the thickness of the finish paint coating is 30 micrometers, the main purpose of the finish paint is to effectively enhance the external erosion resistance of the paint coating, the processing method can adopt three devices for spraying, the drying is carried out in time through a drying machine 4.
The processed workpiece is placed in a curing furnace to be baked for 20 minutes, the temperature is controlled within 240 ℃, the detection is qualified, and compared with the embodiment 1, the surface oxidation resistance is slightly low, and the chroma is obviously higher.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The aluminum profile surface spraying device comprises a sealing box (1), a base (2) positioned in the sealing box (1) and a workpiece fixing table (202) fixedly arranged on the base (2), wherein the outer wall of the sealing box (1) is connected with a controller (101), and the aluminum profile surface spraying device is characterized in that the base (2) is connected with a rack (201) in a sliding manner, and the rack (201) is connected with a spraying mechanism;
the device also comprises a driving mechanism which enables the frame (201) to reciprocate relative to the workpiece fixing table (202);
the drying machine is characterized in that the drying machine (4) is connected onto the rack (201), a plurality of groups of air outlets (401) are formed in the bottom of the drying machine (4), and the air outlets (401) can move in parallel relative to the workpiece fixing table (202).
2. The aluminum profile surface spraying device as claimed in claim 1, wherein the spraying mechanism comprises a box body (3) at the top of a frame (201), a booster pump A (303), a booster pump B (304), a booster pump C (305) and a booster pump D (306) are arranged inside the box body (3), a liquid mixing cavity (307) is connected in the box body (3), a first motor (308) is connected to the side wall of the liquid mixing cavity (307), a stirring part (309) is connected in the liquid mixing cavity (307), the stirring part (309) is rotationally connected with the first motor (308), an input end of the booster pump A (303) is connected with a liquid inlet pipe (102), an output end of the booster pump A (303) is hermetically connected with the top of the liquid mixing cavity (307) through a pipeline, and input ends of the booster pump B (304), the booster pump C (305) and the booster pump D (306) are hermetically connected with the bottom of the liquid mixing cavity (307) through pipelines, the bottom of box body (3) is connected with spraying cover (302) through telescopic machanism, be equipped with drain pipe (3011) in the telescopic machanism, drain pipe (3011) are linked together with spraying cover (302), the output of booster pump B (304), booster pump C (305), booster pump D (306) links to each other with drain pipe (3011).
3. The aluminum profile surface spraying device as claimed in claim 2, wherein the telescopic mechanism comprises a plurality of hollow sleeves (301), and the liquid outlet pipe (3011) is located in the hollow sleeves (301).
4. The aluminum profile surface spraying device as claimed in claim 2, wherein a plurality of groups of atomizing nozzles (3021) are detachably connected to the bottom of the spraying cover (302).
5. The aluminum profile surface spraying device as claimed in any one of claims 2 to 4, wherein the booster pump A (303) is fixedly connected to the top inner wall of the box body (3), and the booster pump B (304), the booster pump C (305) and the booster pump D (306) are fixedly connected to the bottom inner wall of the box body (3) at one time.
6. The aluminum profile surface spraying device according to claim 1, characterized in that the driving mechanism comprises a second motor (502) and a shell (501), the shell (501) is fixedly connected to the frame (201), the second motor (502) is fixedly connected to the top of the shell (501), a gear (503) is rotatably connected to the inner wall of the shell (501), the gear (503) is fixedly connected to the output end of the second motor (502), gear teeth (504) are connected to the side wall of the base (2), and the gear (503) is meshed with the gear teeth (504).
7. The aluminum profile surface spraying device as claimed in claim 2 or 6, wherein the booster pump A (303), the booster pump B (304), the booster pump C (305), the booster pump D (306), and the first motor (308) and the second motor (502) are electrically connected with the controller (101).
8. The aluminum profile surface spraying device as claimed in claim 1, wherein a protective door (103) is slidably connected to a side wall of the seal box (1), and the protective door (103) is sealed to form a sealed chamber when being attached to the seal box (1).
9. An aluminum profile surface spraying method, which comprises the aluminum profile surface spraying device as claimed in claim 1 or 2 or 3 or 4 or 6 or 8, and comprises the following processing steps:
the method comprises the following steps: pretreatment for removing oil and dirt on the workpiece: water washing, alkali washing, water washing, acid washing, chromizing, water washing and pure water washing;
step two: placing the workpiece subjected to oil removal and decontamination in the first step on a workpiece fixing table (202) for fixing;
step three: starting the controller (101) to preheat the device for 3-5min, then starting the booster pump A (303), synchronously starting the first motor (308), and mixing the spraying liquid by the stirring part (309);
step four: thirdly, starting a booster pump B (304), a booster pump C (305) and a booster pump D (306) to spray the spraying liquid in the liquid mixing cavity (307) to the workpiece through an atomizing nozzle (3021) on the spraying cover (302);
step five: synchronously starting a driving mechanism to enable the rack (201) to move on the base (2), so that the spraying cover (302) moves at a constant speed above the workpiece to finish the spraying of the primer;
step six: continuing the step five, simultaneously starting the dryer (4) to dry the sprayed workpiece; repeating the second step to the fifth step to finish paint spraying and finishing paint spraying;
step seven: baking and curing the workpiece after the step six, taking out the workpiece, and baking the workpiece in a curing oven at the temperature of 190-240 ℃ for 18-20 minutes;
step eight: and (6) performing quality inspection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911098580.1A CN110801970A (en) | 2019-11-12 | 2019-11-12 | Aluminum profile surface spraying device and processing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911098580.1A CN110801970A (en) | 2019-11-12 | 2019-11-12 | Aluminum profile surface spraying device and processing method thereof |
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| CN110801970A true CN110801970A (en) | 2020-02-18 |
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| CN201911098580.1A Pending CN110801970A (en) | 2019-11-12 | 2019-11-12 | Aluminum profile surface spraying device and processing method thereof |
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Application publication date: 20200218 |