CN109482452B - Vertical powder plastic spraying process for aluminum profile - Google Patents
Vertical powder plastic spraying process for aluminum profile Download PDFInfo
- Publication number
- CN109482452B CN109482452B CN201811288938.2A CN201811288938A CN109482452B CN 109482452 B CN109482452 B CN 109482452B CN 201811288938 A CN201811288938 A CN 201811288938A CN 109482452 B CN109482452 B CN 109482452B
- Authority
- CN
- China
- Prior art keywords
- carding
- powder
- material blocking
- blanking
- conveying system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000843 powder Substances 0.000 title claims abstract description 138
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 75
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 75
- 238000005507 spraying Methods 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims abstract description 46
- 230000008569 process Effects 0.000 title claims abstract description 43
- 239000004033 plastic Substances 0.000 title claims description 33
- 229920003023 plastic Polymers 0.000 title claims description 33
- 238000004806 packaging method and process Methods 0.000 claims abstract description 4
- 238000009960 carding Methods 0.000 claims description 114
- 238000011084 recovery Methods 0.000 claims description 47
- 239000000463 material Substances 0.000 claims description 45
- 230000007246 mechanism Effects 0.000 claims description 34
- 230000000903 blocking effect Effects 0.000 claims description 32
- 239000002699 waste material Substances 0.000 claims description 19
- 239000007921 spray Substances 0.000 claims description 13
- 238000005238 degreasing Methods 0.000 claims description 11
- 239000000428 dust Substances 0.000 claims description 9
- 238000005406 washing Methods 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 6
- 238000004080 punching Methods 0.000 claims description 5
- 238000010981 drying operation Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 238000005254 chromizing Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 239000007788 liquid Substances 0.000 description 7
- 239000010865 sewage Substances 0.000 description 7
- 239000002351 wastewater Substances 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 4
- 238000002161 passivation Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000003203 everyday effect Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005237 degreasing agent Methods 0.000 description 2
- 239000013527 degreasing agent Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 210000002345 respiratory system Anatomy 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Images
Classifications
-
- 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
- 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
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
- B05B14/10—Arrangements for collecting, re-using or eliminating excess spraying material the excess material being particulate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/08—Plant for applying liquids or other fluent materials to objects
- B05B5/081—Plant for applying liquids or other fluent materials to objects specially adapted for treating particulate materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/08—Plant for applying liquids or other fluent materials to objects
- B05B5/082—Plant for applying liquids or other fluent materials to objects characterised by means for supporting, holding or conveying the objects
-
- 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
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
- B05D1/04—Processes for applying liquids or other fluent materials performed by spraying involving the use of an electrostatic field
- B05D1/06—Applying particulate materials
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Processing Of Solid Wastes (AREA)
- Preliminary Treatment Of Fibers (AREA)
Abstract
The invention discloses a vertical powder spraying process for aluminum profiles, which belongs to the technical field of aluminum profile processing and mainly comprises the steps of front dressing, upper shelving, spraying, curing, lower shelving and packaging.
Description
Technical Field
The invention relates to a vertical powder spraying process for aluminum profiles.
Background
The horizontal plastic spraying process is generally adopted in the processing process of the aluminum profile, and has the defects that the plastic spraying is incomplete, the plastic spraying dead angle is easy to exist, the quality of the plastic spraying is not high, the appearance of the aluminum profile is influenced, secondly, a powder spraying system used in the plastic spraying process is unreasonable, the phenomenon that powder is continuously sprayed outwards from a powder supply center is caused in the actual powder spraying operation process, the powder adding of workers at the powder supply center is seriously influenced, the whole powder spraying workshop environment is severe due to the continuous outward spraying of the powder in the powder adding process, the respiratory tract of the workers is seriously threatened, the recovery effect of a waste powder collecting box is poor, when the workers add new powder to the powder supply center, a large amount of dust is diffused outwards, the head scale surface of the workers is caused, the operation environment is poor, and the cleaning difficulty of the powder supply center is also high, the production efficiency is low.
Disclosure of Invention
Aiming at the existing problems, the invention aims to provide a vertical powder spraying process for aluminum profiles, which improves the horizontal powder spraying process into the vertical powder spraying process, so that the powder spraying is more comprehensive and thorough, the quality of the plastic spraying is improved, the appearance forming is better, a powder spraying system in the plastic spraying process is improved, the improved powder spraying system does not have the phenomenon that the powder is sprayed outwards in the using process, the environment of a plastic spraying workshop is improved, and workers are prevented from threatening the body parts such as respiratory tracts and the like by overflowing powder, and the vertical powder spraying process is more environment-friendly and sanitary.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the vertical powder plastic spraying process for the aluminum profile comprises the following steps:
step one, pretreatment: sequentially carrying out degreasing, washing, chromizing and drying operations;
step two, putting on shelf: the dried aluminum profiles are combed and put on a rack through an automatic carding machine and are conveyed one by one through a continuous feeding conveying system, and the continuous feeding conveying system comprises an inclined feeding conveying system, a horizontal conveying system, an S-shaped bending conveying system and a blanking conveying system;
step three, spraying plastics: after the aluminum profiles are conveyed to the S-shaped conveying system, powder spraying is started through a powder spraying system, wherein 2 powder spraying systems are arranged, and the continuously conveyed aluminum profiles are subjected to double-layer plastic spraying in tandem;
step four, curing: the workpiece is solidified in a solidifying furnace after plastic spraying, the solidifying temperature is 200 ℃, the solidifying drying tunnel is 50m long, the solidifying time is about 50min, and the workpiece is naturally cooled in a cooling tunnel after solidification;
step five, putting down: blanking by a continuous blanking conveying system, wherein the blanking conveying system forms a smooth transition from vertical to horizontal aluminum sections;
and step six, packaging and warehousing.
Preferably, the automatic carding machine comprises a carding table, a blanking table, a primary carding mechanism and a secondary carding mechanism, wherein the blanking table is arranged on the carding table, a blanking groove is formed in the blanking table, the primary carding mechanism is fixed at the discharge end of the blanking table through a carding frame, and the secondary carding mechanism is arranged at the discharge end of the primary carding mechanism.
Preferably, the carding frame comprises a left carding frame and a right carding frame, wherein a carding mechanism is arranged between the left carding frame and the right carding frame, the carding mechanism comprises two opposite material blocking grooves, a circular hole is reserved between the two material blocking grooves, a rotating shaft is arranged in the circular hole along the length direction of the material blocking grooves, two ends of the rotating shaft are fixedly supported by a three-leg support, one end of the rotating shaft is provided with a power mechanism, a circle of carding plates are arranged on the periphery of the rotating shaft along the axial direction of the rotating shaft, an equal amount of carding grooves are arranged between every two carding plates, the end parts of each carding plate extend to the inner wall of each material blocking groove and are not in contact with the inner wall, and a 3-5mm gap is reserved between the inner wall and the right carding frame.
Preferably, each carding plate is provided with a guide plate with a semicircular end face, the guide plate exceeds the edge part of the carding plate, and the inner wall of the material blocking groove is provided with a rotary guide groove corresponding to the guide plate.
Preferably, the material blocking groove is of a semi-cylindrical structure with a hollow center, material blocking plates are arranged at two ends of the material blocking groove, each material blocking plate is also provided with a semi-circular hole, and the two semi-circular holes which face each other are combined to form the circular hole.
Preferably, the secondary carding mechanism comprises a square frame and a plurality of shifting plates, the plurality of shifting plates are sequentially arranged on the square frame at equal intervals along the aluminum profile transportation direction, the bottom ends of the plurality of shifting plates are sequentially reduced along the aluminum profile transportation direction, the height of the aluminum profiles in the forward conveying process is further reduced, and the aluminum profiles overlapped together are shifted one by one.
Preferably, the bottom end of each material shifting plate is provided with an inclined material shifting tooth, the inclined direction of the inclined material shifting tooth is inclined towards the direction close to the left carding frame, and the inclined angle is 30-60 degrees.
Preferably, the aluminum profiles carded by the automatic carding machine in the second step of the loading process need to be punched at the top ends by a punching machine, and the punched aluminum profiles are hung on the continuous feeding conveying system one by one.
Preferably, the powder spraying system in the third step comprises a powder supply center, an electrostatic spray gun, a triangular platform, a cyclone powder recovery system and a waste powder recovery system, wherein the powder supply center supplies powder to the electrostatic spray gun through a powder supply pipeline, the powder sprayed by the electrostatic spray gun is redundant and falls into the triangular platform and is connected to the cyclone powder recovery system through a recovery pipeline I, the powder dust with light weight is recovered to the waste powder recovery system through a recovery pipeline II under the cyclone separation action in the cyclone powder recovery system, the qualified powder with heavy weight is recovered to the powder supply center through a powder collection pipeline, a recovery pipeline III is further arranged between the powder supply center and the recovery pipeline II, and the powder dust which is light in the upper layer of the powder supply center and easy to move out is recovered to the waste powder recovery system through the recovery pipeline III.
The invention has the beneficial effects that:
firstly, the existing horizontal plastic spraying process is improved into vertical plastic spraying, an S-shaped conveying system adopted in the vertical plastic spraying process can ensure that all parts of the aluminum profile are subjected to comprehensive plastic spraying in the forward transportation process of the aluminum profile, the plastic spraying has no dead angle, the plastic spraying is uniform, and the molding quality is good;
secondly, the existing powder spraying system is improved, the waste powder recovery pipeline is refitted, the waste powder recovery pipeline is directly introduced into the cyclone waste powder recovery system, when new powder is added to the powder supply center by an operator, powder escape is obviously reduced, the operation environment is clean, the powder supply center is easy to clean, and the production efficiency and the product quality are obviously improved.
Drawings
FIG. 1 is a schematic front view of an automatic carding machine of the present invention.
FIG. 2 is a perspective schematic view of an automatic carding machine of the present invention.
Fig. 3 is a schematic structural view of the baffle box of the invention.
Fig. 4 is a schematic view of a carding plate of the invention.
Fig. 5 is a flow chart before the powder supply system of the present invention is modified.
Fig. 6 is a flow chart of the powder supply system of the present invention after modification.
Wherein: 1-carding table, 2-blanking table, 3-blanking groove, 4-blanking slope, 5-left carding frame, 6-right carding frame, 7-blocking groove, 8-circular hole, 9-rotating shaft, 10-tripod support, 11-carding plate, 111-guide plate, 12-equivalent carding groove, 13-rotating guide groove, 14-blocking plate, 15-square frame, 16-shifting plate, 17-inclined shifting tooth, 18-blanking hole, 19-powder supply pipeline, 20-recovery pipeline I, 21-recovery pipeline II, 22-powder collection pipeline and 23-recovery pipeline III.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following further describes the technical solution of the present invention with reference to the drawings and the embodiments.
Example (b): the vertical powder plastic spraying process for the aluminum profile comprises the following steps:
step one, pretreatment: sequentially carrying out degreasing, washing, chromizing and drying operations;
the method comprises the following steps: the degreasing tank and the chromium-free passivation tank are impervious by adopting a high-density polyethylene material, the sizes of the degreasing tank and the chromium-free passivation tank are 8m by 1.1m by 1.5m, materials are conveyed by adopting a travelling crane hanging basket, all materials are soaked, and the tank liquid is treated at room temperature without heating;
cleaning and ash removing: the extruded aluminum profile has impurities such as aluminum scraps on the surface, is soaked in the cleaning and dedusting tank for more than 1 minute, and simultaneously shakes for several times up and down, so that the treatment effect is improved. The wastewater is intermittently discharged in an overflowing way every day, and the surface sewage is discharged, wherein the discharge amount is 12m3D, changing the tank 4 times every year;
primary degreasing: degreasing agent A is adopted, degreasing time is 4-6 min, room temperature is achieved, the chemical adding amount is 100g/L, aluminum profiles are extruded out, the surface oil stain amount is small, degreasing is achieved, and the surface oxidation layer removing effect is achieved at the same time, the tank is inverted and washed for 4 times every year, middle tank liquor is pumped into other vacated empty tanks when the tank is inverted, the pumping amount is about 3/4 of the tank liquor amount, the tank is washed and then is pumped back to be reused, upper layer waste liquor and lower layer waste liquor are discharged into a sewage treatment station for treatment, the water consumption of the tank is about 3/4 of the tank liquor amount, the waste water is discharged into the sewage treatment station, and meanwhile the tank liquor is filtered once a month;
and (3) secondary degreasing: degreasing agent B is adopted, degreasing time is 4-6 min, room temperature is achieved, the chemical adding amount is 100g/L, degreasing at the time plays a role in activating the surface of the aluminum profile, the groove is inverted and washed for 4 times every year, middle groove liquid is pumped into other vacated empty grooves during inverting, the pumping amount is about 3/4 of the groove liquid amount, the middle groove liquid is pumped back and reused after washing, upper and lower layer waste liquid is discharged into a sewage treatment station for treatment, the water consumption of the washing groove is about 3/4 of the groove liquid amount, the waste water is discharged into the sewage treatment station, and meanwhile, the groove liquid is filtered once a month;
secondary countercurrent washing: the washing was carried out for two minutes at room temperature using tap water. The wastewater in the tank is intermittently discharged in an overflow way every day, the surface sewage is discharged, the discharge water amount is 12m & lt 3 & gt/d, and the washing tank is replaced 4 times per year;
rinsing with pure water: pure water is adopted, the cleaning is carried out for two minutes at room temperature, the wastewater in the tank is intermittently discharged in an overflowing manner every day, the surface sewage is discharged, the water discharge amount is 12m & lt 3 & gt/d, and the tank is changed 4 times per year;
chromium-free passivation: pure water is adopted, and the bath solution is soaked and passivated for 1min at room temperature, wherein the content of the passivator in the bath solution is 2-5%. The passivation tank is filtered once a month for reuse, and the tank does not need to be replaced or washed, and no wastewater is discharged.
Cleaning: pure water is adopted, the cleaning is carried out for two minutes at room temperature, and the wastewater is changed for 30 times every year;
drying: drying the cleaned semi-finished aluminum profile at 120 ℃ for 30-35min, wherein the drying temperature adopts a gradual heating drying operation, the semi-finished aluminum profile is dried at a temperature rising speed of 5 ℃/min, and is kept at 120 ℃ for 6-11 min, and the chromized film after being chromized is dried, so that no water remains on the surface, and if water remains on the surface of a workpiece and enters a powder spraying process, the coating can generate bubble defects;
step two, putting on shelf: the dried aluminum profiles are combed and put on a rack through an automatic carding machine and are conveyed one by one through a continuous feeding conveying system, the continuous feeding conveying system comprises an inclined feeding conveying system, a horizontal conveying system, an S-shaped conveying system and a blanking conveying system, the inclined feeding conveying system, the horizontal conveying system, the S-shaped conveying system and the blanking conveying system are all conveyed through chains, and hooks are arranged on the chains at equal distances; the continuous feeding and conveying system is mainly used for preventing aluminum sections from swinging and surface scratching when feeding;
referring to the attached drawings 1-4, when a vertical plastic spraying process is used, aluminum profiles are firstly manually carded one by one and cannot be overlapped, then holes are punched in the top of each aluminum profile through a punching machine, and the aluminum profiles are hung on a continuous feeding conveying system for plastic spraying, so that a large amount of manual operation is needed in the carding process, the labor intensity is high, the carding effect is poor, and sometimes, due to manual negligence, some aluminum profiles are possibly overlapped and not combed well, and troubles are brought to subsequent operation;
therefore, the invention improves the feeding of the aluminum profile in the vertical plastic spraying process, designs an automatic carding machine to accelerate the carding speed of the aluminum profile and reduce the labor intensity, the automatic carding machine comprises a carding table 1, a blanking table 2, a primary carding mechanism and a secondary carding mechanism, the blanking table 2 is arranged on the carding table 1, a blanking groove 3 is arranged on the blanking table 2, a blanking slope 4 is arranged between the blanking groove 3 and the primary carding mechanism, the blanking slope 4 is of an arc structure, the blanking groove 3 of an aluminum profile barrel is internally blanked towards the primary carding mechanism through the blanking slope 4, the primary carding mechanism is fixed at the discharging end of the blanking table 2 through a carding frame, and the secondary carding mechanism is arranged at the discharging end of the primary carding mechanism; the carding table is also provided with a conveying belt, the secondary carding machine is arranged on the conveying belt, and the aluminum profiles carded one by the secondary carding mechanism are sequentially conveyed forwards by the conveying belt and enter the next procedure for treatment;
in the invention, the carding frame comprises a left carding frame 5 and a right carding frame 6, the left carding frame 5 and the right carding frame 6 are both of a bending structure, the primary carding mechanism is arranged between the left carding frame 5 and the right carding frame 6, the primary carding mechanism comprises two opposite material blocking grooves 7, a discharge opening 18 is arranged between the upper ends of the two material blocking grooves 7, a circular hole 8 is reserved between the two material blocking grooves 7, a rotating shaft 9 is arranged in the circular hole 8 along the length direction of the material blocking grooves 7, two ends of the rotating shaft 9 are fixedly supported by a three-leg support 10, one end of the rotating shaft 9 is provided with a power mechanism, the power mechanism drives the rotating shaft 9 to rotate at a constant speed, a circle of carding plates 11 are arranged on the periphery of the rotating shaft 9 along the axial direction of the rotating shaft, an equal amount of carding grooves 12 are arranged between every two carding plates 11, the end part of each carding plate 11 extends to the inner wall of the material blocking grooves 7 and is not contacted with the same amount of the carding plates, a gap of 3-5mm is left between the two; each carding plate 11 is provided with a guide plate 111 with a semicircular end face, the guide plate 111 exceeds the edge part of the carding plate 11, the inner wall of the material blocking groove 7 is provided with a rotary guide groove 13 corresponding to the guide plate 111, the material blocking groove 7 is of a semi-cylindrical structure with a hollow center, two ends of the material blocking groove 7 are provided with material blocking plates 14, each material blocking plate 14 is also provided with a semicircular hole 8, and the two opposite semicircular holes 8 are combined to form the circular hole 8; the rotary guide groove 13 is matched with the guide plate 111, the equivalent carding groove 12 rotates at a constant speed in the feeding process, when each equivalent carding groove 12 passes through the feeding opening 18, aluminum profiles are automatically fed and are temporarily stored in the equivalent carding groove 12, the equivalent carding groove 12 storing the aluminum profiles continuously rotates clockwise, in order to prevent the aluminum profiles from leaking, the carding plate 11 of the invention is in close contact with the inner wall of the material blocking groove 7 and is provided with a 3-5mm gap, not only can the carding plate 11 not be influenced by the resistance of the inner wall of the material blocking groove 7 in the rotating process be ensured, but also the aluminum profiles can be prevented from leaking through a smaller gap, 2-3 aluminum profiles are accommodated in each equivalent carding groove 12 at most, in addition, in order to ensure that the carding plate 11 has better contact and guidance performance with the inner wall of the material blocking groove 7 in the rotating process, the rotary guide groove 13 and the guide plate 111 are also arranged, the guide plate 111 rotates in a reciprocating manner in the rotary guide groove 13, the guide effect of the equivalent carding groove 12 is realized in the rotating process, and the aluminum profile leakage can be indirectly prevented through the arrangement of the guide plate 111;
in the invention, the secondary carding mechanism comprises a square frame 15 and a plurality of shifting plates 16, the plurality of shifting plates 16 are sequentially arranged on the square frame 15 at equal intervals along the aluminum profile transportation direction, the bottom ends of the plurality of shifting plates 16 are sequentially reduced along the aluminum profile transportation direction, so that the height of the aluminum profiles in the forward conveying process is reduced, the overlapped aluminum profiles are shifted one by one, inclined shifting teeth 17 are processed at the bottom end of each shifting plate 16, the inclined shifting teeth 17 are inclined towards the direction close to the left carding frame 5, and the inclined angle is 30-60 degrees; the secondary carding mechanism is used for carding the primary carding mechanism again, and the problem that aluminum profiles are likely to be stacked together after the primary carding mechanism is fed is solved, so that the secondary carding mechanism is designed, stacked aluminum profiles are separated by gradually reducing the height of the material shifting teeth in the advancing process of the stacked aluminum profiles, only one aluminum profile can pass through the last lower material shifting plate 16, and the height of the material shifting plate 16 can be freely adjusted in the actual use process so as to adapt to the carding of the aluminum profiles with different structures;
punching the top end of the aluminum profiles carded by the automatic carding machine in the racking process of the step two by using a punching machine, and hanging the punched aluminum profiles on a hook of a continuous feeding and conveying system one by one;
step three, spraying plastics: after the aluminum profiles are conveyed to the S-shaped conveying system, powder spraying is started through a powder spraying system, wherein 2 powder spraying systems are arranged, and the continuously conveyed aluminum profiles are subjected to double-layer plastic spraying in tandem;
referring to fig. 5-6, the "powder spraying system" includes a powder supply center, an electrostatic spray gun, a triangular platform, a cyclone powder recovery system, and a waste powder recovery system, wherein the powder supply center supplies powder to the electrostatic spray gun through a powder supply pipeline 19, the powder sprayed from the electrostatic spray gun drops into the triangular platform and is connected to the cyclone powder recovery system through a recovery pipeline one 20, the powder dust with light mass is recovered to the waste powder recovery system through a recovery pipeline two 21 by cyclone separation in the cyclone powder recovery system, the qualified powder with heavy mass is recovered to the powder supply center through a powder recovery pipeline 22, a recovery pipeline three 23 is further arranged between the powder supply center and the recovery pipeline two 21, and the powder dust which is light in the upper layer of the powder supply center and easy to move out is recovered to the waste powder recovery system again through the recovery pipeline three 23;
specifically, the method comprises the following steps:
powder supply center (powder supply barrel): powder coating is firstly added into a powder supply barrel, and compressed air is supplied to an aluminum material plastic spraying workpiece of a spray gun through a powder pump and a powder feeding pipe after being fluidized to a specified degree through a fluidization plate at the bottom of the powder supply barrel;
electrostatic spray gun: the powder is sprayed out and atomized, the sprayed plastic and the workpiece are grounded to be a positive electrode, and the negative high voltage generated in the discharge needle gun is connected to the powder outlet of the spray gun and generates corona discharge through the discharge needle. The powder particles with negative charges reach the surface of the workpiece under the action of static electricity and compressed air flow, the powder is uniformly adsorbed on the surface of the workpiece for a period of time without falling off due to the attraction of the static electricity, then the workpiece enters a curing furnace for leveling and curing, the humidity or the time is controlled, and finally, a coating which is tightly and firmly combined with the workpiece, uniformly, smoothly and compactly formed is formed;
a triangular platform: the triangular platform is arranged right below the workpiece, part of the powder sprayed by the spray gun is adsorbed on the surface of the workpiece, and the rest part of the powder naturally settles. The powder in the sedimentation process falls on a triangular platform for collection and enters a cyclone powder recovery system for collection through a pipeline;
cyclone powder recovery system: separating gas from solid by cyclone separation, feeding the air powder mixture extracted from the triangular platform into a cyclone separator, enabling the mixture to form a rotating airflow downwards, centrifugally throwing the powder particles with larger weight onto the wall of the cyclone separator, then dropping the powder particles to the lower part to enter a powder supply center, and simultaneously discharging the dust mixture with lighter weight to enter a waste powder recovery system;
waste powder recovery system: the dust mixture discharged by the cyclone powder recovery system enters a waste powder recovery system, and the powder is periodically cleaned and boxed for sale;
step four, curing: the workpiece is solidified in a solidifying furnace after plastic spraying, the solidifying temperature is 200 ℃, the solidifying drying tunnel is 50m long, the solidifying time is about 50min, and the workpiece is naturally cooled in a cooling tunnel after solidification;
step five, putting down: blanking by a continuous blanking conveying system, wherein the blanking conveying system forms a smooth transition from vertical to horizontal aluminum sections;
and step six, packaging and warehousing.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The vertical powder plastic spraying process for the aluminum profile is characterized by comprising the following steps of:
step one, pretreatment: sequentially carrying out degreasing, washing, chromizing and drying operations;
step two, putting on shelf: the dried aluminum profiles are combed and put on a rack through an automatic carding machine and are conveyed one by one through a continuous feeding conveying system, and the continuous feeding conveying system comprises an inclined feeding conveying system, a horizontal conveying system, an S-shaped bending conveying system and a blanking conveying system;
step three, spraying plastics: after the aluminum profiles are conveyed to the S-shaped conveying system, powder spraying is started through a powder spraying system, wherein 2 powder spraying systems are arranged, and the continuously conveyed aluminum profiles are subjected to double-layer plastic spraying in tandem;
step four, curing: the workpiece is solidified in a solidifying furnace after plastic spraying, the solidifying temperature is 200 ℃, the solidifying drying tunnel is 50m long, the solidifying time is 50min, and the workpiece is naturally cooled in a cooling tunnel after solidification;
step five, putting down: blanking by a continuous blanking conveying system, wherein the blanking conveying system forms a smooth transition from vertical to horizontal aluminum sections;
step six, packaging and warehousing;
the automatic carding machine comprises a carding table, a blanking table, a primary carding mechanism and a secondary carding mechanism, wherein the blanking table is arranged on the carding table, a blanking groove is formed in the blanking table, the primary carding mechanism is fixed at the discharge end of the blanking table through a carding frame, and the secondary carding mechanism is arranged at the discharge end of the primary carding mechanism;
the carding frame comprises a left carding frame and a right carding frame, the primary carding mechanism is arranged between the left carding frame and the right carding frame and comprises two opposite material blocking grooves, a circular hole is reserved between the two material blocking grooves, a rotating shaft is arranged in the circular hole along the length direction of the material blocking grooves, two ends of the rotating shaft are fixedly supported by a tripod support, one end of the rotating shaft is provided with a power mechanism, the periphery of the rotating shaft is provided with a circle of carding plates along the axial direction of the rotating shaft, an equal amount of carding grooves are reserved between every two carding plates, the end part of each carding plate extends to the inner wall of the material blocking groove and is not in contact with the material blocking groove, and a 3-5mm gap is reserved between the two carding plates;
and each carding plate is provided with a guide plate with a semicircular end face, the guide plate exceeds the edge part of the carding plate, and the inner wall of the material blocking groove is provided with a rotary guide groove corresponding to the guide plate.
2. The vertical powder spraying process of the aluminum profile according to claim 1, which is characterized in that: the material blocking groove is of a semi-cylindrical structure with a hollow center, material blocking plates are arranged at two ends of the material blocking groove, each material blocking plate is also provided with a semi-circular hole, and the two semi-circular holes which are opposite to each other are combined to form the circular hole.
3. The vertical powder spraying process of aluminum profile according to claim 2, characterized in that: the secondary carding mechanism comprises a square frame and a plurality of shifting plates, wherein the plurality of shifting plates are sequentially arranged on the square frame at equal intervals along the aluminum profile transportation direction, the bottom ends of the plurality of shifting plates are sequentially reduced along the aluminum profile transportation direction, the height of the aluminum profiles in the forward conveying process is further reduced, and the aluminum profiles overlapped together are shifted one by one.
4. The vertical powder spraying process of aluminum profile according to claim 3, characterized in that: the bottom end of each material shifting plate is provided with an inclined material shifting tooth, the inclined direction of the inclined material shifting tooth is inclined towards the direction close to the left carding frame, and the inclined angle is 30-60 degrees.
5. The vertical powder spraying process of aluminum profile according to claim 4, characterized in that: and in the second step, the aluminum profiles carded by the automatic carding machine in the racking process need to be punched at the top end by a punching machine, and the punched aluminum profiles are hung on the continuous feeding conveying system one by one.
6. The vertical powder spraying process of the aluminum profile according to claim 1, which is characterized in that: the powder spraying system comprises a powder supply center, an electrostatic spray gun, a triangular platform, a cyclone powder recovery system and a waste powder recovery system, wherein the powder supply center supplies powder to the electrostatic spray gun through a powder supply pipeline, powder sprayed by the electrostatic spray gun is redundant to drop into the triangular platform and is connected to the cyclone powder recovery system through a recovery pipeline I, powder dust with light weight is recovered to the waste powder recovery system through a recovery pipeline II under the cyclone separation effect in the cyclone powder recovery system, qualified powder with heavy weight is recovered to the powder supply center through a powder collection pipeline, a recovery pipeline III is further arranged between the powder supply center and the recovery pipeline II, and powder dust which is light in upper layer and easy to move out of the powder supply center is recovered to the waste powder recovery system through the recovery pipeline III.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811288938.2A CN109482452B (en) | 2018-10-31 | 2018-10-31 | Vertical powder plastic spraying process for aluminum profile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811288938.2A CN109482452B (en) | 2018-10-31 | 2018-10-31 | Vertical powder plastic spraying process for aluminum profile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109482452A CN109482452A (en) | 2019-03-19 |
| CN109482452B true CN109482452B (en) | 2021-10-29 |
Family
ID=65693558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811288938.2A Active CN109482452B (en) | 2018-10-31 | 2018-10-31 | Vertical powder plastic spraying process for aluminum profile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109482452B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113083544A (en) * | 2021-03-31 | 2021-07-09 | 伍梦文 | Anti-aging cable bridge manufacturing surface treatment process |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2258862Y (en) * | 1995-09-27 | 1997-08-06 | 陕西省农机研究所 | Rotary feeder for automatic weighter |
| WO2010009086A1 (en) * | 2008-07-14 | 2010-01-21 | Jervis B. Webb International Company | Diverter assembly |
| CN103523506A (en) * | 2013-10-29 | 2014-01-22 | 谭华 | Feeding arrangement unit for products |
| CN205914298U (en) * | 2016-07-27 | 2017-02-01 | 佛山市安邦得机械设备有限公司 | Vertical spraying equipment's of static powder confession powder system |
| WO2017179022A2 (en) * | 2016-04-15 | 2017-10-19 | S.I.P.A. Societa' Industrializzazione Progettazione E Automazione S.P.A. | Transfer system for containers |
| CN107937954A (en) * | 2017-11-07 | 2018-04-20 | 广东永利坚铝业有限公司 | A kind of environment-friendlyaluminium aluminium section bar processing technology |
| CN207293450U (en) * | 2018-01-15 | 2018-05-01 | 马鞍山邦德医疗器械有限公司 | A kind of accurate conveying device of slender piece |
| CN207986033U (en) * | 2018-03-02 | 2018-10-19 | 深圳市捷锐安达科技有限公司 | Magazine on a kind of screw |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105586619A (en) * | 2014-10-22 | 2016-05-18 | 王柱春 | Aluminum profile putaway apparatus |
| CN107497876A (en) * | 2017-09-25 | 2017-12-22 | 辽宁忠旺机械设备制造有限公司 | A kind of large aluminum profile drawing-in machine automatic lifting feed mechanism |
-
2018
- 2018-10-31 CN CN201811288938.2A patent/CN109482452B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2258862Y (en) * | 1995-09-27 | 1997-08-06 | 陕西省农机研究所 | Rotary feeder for automatic weighter |
| WO2010009086A1 (en) * | 2008-07-14 | 2010-01-21 | Jervis B. Webb International Company | Diverter assembly |
| CN103523506A (en) * | 2013-10-29 | 2014-01-22 | 谭华 | Feeding arrangement unit for products |
| WO2017179022A2 (en) * | 2016-04-15 | 2017-10-19 | S.I.P.A. Societa' Industrializzazione Progettazione E Automazione S.P.A. | Transfer system for containers |
| CN205914298U (en) * | 2016-07-27 | 2017-02-01 | 佛山市安邦得机械设备有限公司 | Vertical spraying equipment's of static powder confession powder system |
| CN107937954A (en) * | 2017-11-07 | 2018-04-20 | 广东永利坚铝业有限公司 | A kind of environment-friendlyaluminium aluminium section bar processing technology |
| CN207293450U (en) * | 2018-01-15 | 2018-05-01 | 马鞍山邦德医疗器械有限公司 | A kind of accurate conveying device of slender piece |
| CN207986033U (en) * | 2018-03-02 | 2018-10-19 | 深圳市捷锐安达科技有限公司 | Magazine on a kind of screw |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109482452A (en) | 2019-03-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109396003B (en) | Aluminum profile production process | |
| US11458498B2 (en) | Painting booth being possible to reutilize by withdrawing of sprayed paint | |
| CN207498490U (en) | A kind of auto parts machinery surface electrophoresis apparatus processing integrated apparatus | |
| CN109226322B (en) | Production process for simultaneously extruding AB surfaces of environment-friendly aluminum profiles | |
| CN204620303U (en) | A kind of guipure atomization oiler | |
| CN109482452B (en) | Vertical powder plastic spraying process for aluminum profile | |
| CN206716324U (en) | A kind of environment-friendly type water-screen cabinet | |
| CN110270457B (en) | Automatic powder spraying system | |
| CN209238531U (en) | A kind of oil liquid recyclable device based in screw processing cleaning system | |
| CN107999748B (en) | Cleaning system for tungsten steel sintering backing plate | |
| CN105920929A (en) | Paint mist recovery and purification method | |
| CN208612871U (en) | Spray water-screen cabinet | |
| CN202010669U (en) | Continuous washing device for saw blade | |
| CN209061479U (en) | The automation equipment of crankshaft oiling | |
| CN101733218A (en) | Electrostatic spraying system and spraying method thereof for paint component of casing of piano | |
| CN112191437B (en) | Roller coating equipment convenient to clean cam in liquid storage tank | |
| CN104475291A (en) | Paint removal device for paint mist | |
| CN206168656U (en) | Novel coiled material production environmental protection spray booth | |
| CN211801897U (en) | Spraying device of clean lamp frame | |
| CN218312927U (en) | Shot blasting equipment for aluminum alloy wheel hub | |
| CN204448413U (en) | One automatic slag removal formula can revolve paint mist purifying means without pump water | |
| CN207971014U (en) | A kind of automatic paint-spraying machine clean and environment-friendly cascade, refined filtration net mechanism | |
| CN214975429U (en) | Epoxy powder spraying equipment | |
| CN216756912U (en) | Paint mist treatment equipment for spray booth | |
| CN215095612U (en) | Conveying roller cleaning device for film blowing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 242100 No. 19, shunting West Road, economic development zone, Langxi County, Xuancheng City, Anhui Province Patentee after: Longtu Energy Saving Aluminum (Xuancheng) Co.,Ltd. Address before: 242100 No. 19, shunting West Road, economic development zone, Langxi County, Xuancheng City, Anhui Province Patentee before: LONGTU ENERGY-SAVING ALUMINUM (XUANCHENG) Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Vertical powder spraying process for aluminum profiles Granted publication date: 20211029 Pledgee: Langxi SME Financing Guarantee Co.,Ltd. Pledgor: Longtu Energy Saving Aluminum (Xuancheng) Co.,Ltd. Registration number: Y2024980020365 |