CN111097630B - Steel structure painting process - Google Patents

Steel structure painting process Download PDF

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Publication number
CN111097630B
CN111097630B CN202010036701.6A CN202010036701A CN111097630B CN 111097630 B CN111097630 B CN 111097630B CN 202010036701 A CN202010036701 A CN 202010036701A CN 111097630 B CN111097630 B CN 111097630B
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China
Prior art keywords
steel structure
painting
roller
air
paint
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Active
Application number
CN202010036701.6A
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Chinese (zh)
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CN111097630A (en
Inventor
徐乔
谢家凤
谢亮
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Chongqing Shichuang Steel Structure Co ltd
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Chongqing Shichuang Steel Structure Co ltd
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Application filed by Chongqing Shichuang Steel Structure Co ltd filed Critical Chongqing Shichuang Steel Structure Co ltd
Priority to CN202010036701.6A priority Critical patent/CN111097630B/en
Publication of CN111097630A publication Critical patent/CN111097630A/en
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Publication of CN111097630B publication Critical patent/CN111097630B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00Machines 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
    • B05B13/02Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/0221Means 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00Machines 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
    • B05B13/02Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/0278Arrangement or mounting of spray heads
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B16/00Spray booths
    • B05B16/20Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00Pretreatment 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
    • B05D3/04Pretreatment 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
    • B05D3/0406Pretreatment 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00Other grinding machines or devices
    • B24B27/0076Other grinding machines or devices grinding machines comprising two or more grinding tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/06Work supports, e.g. adjustable steadies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00Drives or gearings; Equipment therefor
    • B24B47/22Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/06Dust extraction equipment on grinding or polishing machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10Single-purpose machines or devices
    • B24B7/16Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings
    • B24B7/17Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings for simultaneously grinding opposite and parallel end faces, e.g. double disc grinders

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

The invention relates to the technical field of steel structure painting, and discloses a steel structure painting process, which comprises the following steps: s1: clamping the steel structure through a clamp, and then conveying the steel structure into an upper paint box through a sliding rail; s2: adjusting the positions of the roller grinding mechanisms on the two sides of the painting box until the distance between the roller grinding mechanisms is equal to the thickness of the steel structure; s3: starting the roller grinding mechanism, transporting the steel structure between the roller grinding mechanisms, and grinding the steel structure through the roller grinding mechanism; s4: the steel structure is conveyed to a painting assembly through the roller mill mechanism, and the two sides of the steel structure are painted through the painting assembly until the surfaces of the two sides of the steel structure are covered by paint; s5: the steel structure is transported to the air injection assembly, the air injection assembly is rotated to face towards the steel structure, and paint on the steel structure is dried through the air injection assembly. The process method is simple, can quickly paint the steel structure, and improves the painting efficiency of the steel structure.

Description

Steel structure painting process
Technical Field
The invention relates to the technical field of steel structure painting, in particular to a steel structure painting process.
Background
Steel structures are structures composed of steel materials and are one of the main building structure types. The structure mainly comprises beam steel, steel columns, steel trusses and other members made of section steel, steel plates and the like, and rust prevention is carried out on the steel structure in modes of paint spraying and the like so as to prolong the service life of the steel structure.
At present, the two sides of the steel structure are respectively polished by the polishing device, and then the two sides of the steel structure are respectively painted, so that the painting time is long, and the working efficiency is not high. In addition, in the painting process, manual painting is adopted, operators are in a working environment full of paint particles, and the operators are still easy to suck the paint particles after working for a long time in spite of a protective mask and the like, so that the health of the operators is damaged. For this reason, there is a need for an improved painting process for steel structures.
Disclosure of Invention
The invention aims to provide a steel structure painting process, which is used for improving the steel structure painting process and further improving the painting efficiency.
In order to achieve the purpose, the invention provides the following technical scheme: a steel structure painting process, S1: clamping the steel structure through a clamp, and then conveying the steel structure into an upper paint box through a sliding rail; s2: adjusting the positions of the roller grinding mechanisms on the two sides of the painting box until the distance between the roller grinding mechanisms is equal to the thickness of the steel structure; s3: starting the roller grinding mechanism, transporting the steel structure between the roller grinding mechanisms, and grinding the steel structure through the roller grinding mechanism; s4: the steel structure is conveyed to a painting assembly through the roller mill mechanism, and the two sides of the steel structure are painted through the painting assembly until the surfaces of the two sides of the steel structure are covered by paint; s5: the steel structure is transported to the air injection assembly, the air injection assembly is rotated to face the steel structure, and paint on the steel structure is blown through the air injection assembly.
The grinding roller mechanism comprises a shell, the upper portion and the lower portion of the shell are horizontally and slidably connected with sliding plates, the two ends of a grinding roller are respectively connected with the two sliding plates in a rotating mode and driven by a driving piece, the sliding plates are provided with screw rods in a threaded connection mode, the screw rods are driven by a power piece, a tensioning wheel is coaxially fixed on an output shaft of the driving piece, a rotating wheel is arranged in a rotating shaft of the grinding roller, a belt is sleeved on the tensioning wheel and the rotating wheel, the grinding roller comprises an upper roller and a lower roller, and a connecting shaft is fixedly welded between the upper roller and the lower roller.
The principle and the beneficial effects of the invention are as follows:
in the prior art, the polishing of the steel structure adopts manual polishing or mechanical single-side polishing, and meanwhile, the steel structure is painted after polishing, a single-side painting mode is adopted, so that the painting efficiency is not high.
(1) In this scheme, suspend the steel construction in midair so that operating personnel transports through the cooperation of anchor clamps and slide rail, transport to the steel construction of grinding roller mechanism and polished, increase the roughness on steel member surface because grinding roller mechanism sets up to two sets of, polishes the two sides of steel construction simultaneously, and then has improved the work efficiency that the steel construction polished. Through the power part, adjust the interval between the grinding roller mechanism to make grinding roller mechanism can polish the steel construction of different thickness, guaranteed the effect of polishing, and then guarantee the japanning effect. Meanwhile, the grinding roller is of an upper roller structure and a lower roller structure, and the upper roller structure and the lower roller structure grind the steel structure simultaneously so as to adapt to the steel structures with different widths.
(2) In this scheme, when transporting to the japanning subassembly, the japanning subassembly carries out even japanning to the steel construction, compares in artifical japanning, and the degree of consistency is high, and work efficiency is fast.
(3) When the steel construction process jet-propelled subassembly, rotate jet-propelled subassembly towards the steel construction to jet-propelled the steel construction, gaseous direct action is on the steel construction for the lacquer on the steel construction solidifies, improves the work efficiency of steel construction.
Further, in S4, when the painting component paints the steel structure, the coverage condition of the steel structure painting is observed through the manhole until the surfaces on the two sides of the steel structure are covered with the paint, and the painting is stopped.
Has the advantages that: when the paint covers the surface of the steel structure, painting can be stopped, so that paint waste caused by paint after painting is avoided.
Further, in S4, when the painting box is closed by the gas injection unit, the gas injected from the gas injection unit is blown toward the steel structure.
Has the advantages that: in gaseous entering into the painting box, because gaseous not direct injection to the steel construction, and then the effort is less, avoided just having gone up good lacquer to break away from the steel construction when tentatively weathering the steel construction, compare in prior art's directness and weather, avoided droing of paint, compare in prior art's drying for efficiency.
Further, a cavity is formed in the connecting shaft, an air hole communicated with the cavity is formed in the connecting shaft, the air hole faces the middle of the upper paint box, an air passage communicated with the connecting shaft is formed in the upper roller, a pump assembly is mounted on the shell, the pump assembly is communicated with the rotating connection, and the rotating connection is communicated with the air passage.
Has the advantages that: air flue and cavity air draft are conducted through the pump assembly, and then paint particles in the paint feeding box and the ground dust are drawn away, so that centralized processing of the paint particles and the dust is facilitated.
Further, the anchor clamps include the back shaft, the both sides fixedly connected with bearing of back shaft, and the bearing is connected with slide rail horizontal sliding, and the lower part fixed mounting of back shaft has the diaphragm, and the both sides horizontal sliding connection of diaphragm has the riser, is provided with the fastener on one of them riser.
Has the advantages that: the steel structure is locked through the cooperation of the vertical plate and the fastener, so that the steel structure is stably transported.
Furthermore, permanent magnets are fixedly mounted on the lower portions of the vertical plates.
Has the advantages that: adsorb through the permanent magnet, further increase the stability of riser to the steel construction centre gripping.
Further, the painting subassembly includes a plurality of lacquer shower nozzles and the lacquer pump with lacquer shower nozzle intercommunication, and the length direction equipartition of first backup pad is followed to the lacquer shower nozzle.
Has the advantages that: when the transportation steel construction process lacquer shower nozzle, a plurality of lacquer shower nozzles spray paint to the steel construction to it is even to improve the japanning of steel construction.
Furthermore, the air injection assembly comprises a plurality of air nozzles and an air pump communicated with the air nozzles, the air nozzles are uniformly distributed along the length direction of the second support plate, and the air nozzles are rotatably connected with the second support plate.
Has the advantages that: through the rotation of gas shower nozzle, gas shower nozzle spun gas can form the air curtain at the manhole, and operating personnel can observe the japanning condition at the manhole, simultaneously because the blocking lacquer granule of air curtain can not follow the manhole and run out, has reduced the loss of lacquer granule, and then has avoided the pollution of lacquer granule to the workshop.
Further, the air nozzle is communicated with a cover body with a conical longitudinal section.
Has the advantages that: the area of the gas sprayed out by the gas nozzle can be enlarged through the cover body, so that the gas can be diffused.
Drawings
FIG. 1 is an isometric view of a steel structure painting apparatus according to one embodiment of the present invention;
FIG. 2 is a left side view of a steel structure painting apparatus in accordance with one embodiment of the present invention;
FIG. 3 is a front view of a steel structure painting apparatus according to one embodiment of the present invention;
FIG. 4 is a view from E-E of FIG. 3;
FIG. 5 is a schematic view of the structure of the clamp;
FIG. 6 is a top view of FIG. 1;
FIG. 7 is a sectional view taken along line F-F of FIG. 6;
fig. 8 is an enlarged view of a portion a of fig. 7.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the painting device comprises a painting box 1, a shell 2, a sliding plate 21, a single-phase motor 22, a belt 23, an air suction pump 24, a main pipe 25, a rotary joint 26, an upper roller 3, an air channel 31, a connecting shaft 32, a cavity 33, an air hole 34, a lower roller 4, a three-phase motor 5, a manhole 6, an air spray head 61, a second supporting plate 62, a painting spray head 63, a discharge hole 7, a sliding rail 8, a clamp 81, a ball bearing 811, a supporting shaft 812, a transverse plate 813, a vertical plate 814 and a permanent magnet 815.
The first embodiment is as follows:
a steel structure painting process uses a steel structure painting device, and comprises the following steps:
s1: basically, as shown in the attached drawing 1, the steel structure painting device comprises a painting box 1 with a rectangular longitudinal section, a feeding port and a discharging port 7 are respectively formed in two ends of the painting box 1, a sliding rail 8 is installed on the upper portion in the painting box 1, the painting box 1 is placed in a workshop in the embodiment, and two ends of the sliding rail 8 are fixed on a wall body of the workshop through fastening bolts. A plurality of clamps 81 are connected to the slide rail 8 in a horizontal sliding manner, as shown in fig. 5, each clamp 81 includes a support shaft 812, support columns are welded to two sides of each support shaft 812, bearings coaxial with the support shafts 812 are fixed on the support columns through bolts, in this embodiment, the bearings are ball bearings 811, and the ball bearings 811 are connected to the slide rail 8 in a horizontal sliding manner. In this embodiment, the supporting shaft 812 is a length-adjustable shaft, and can refer to application numbers: patent document CN 200980103514.7. A transverse plate 813 is fixedly welded at the bottom of the supporting shaft 812, vertical plates 814 are horizontally and slidably connected to two sides of the transverse plate 813, a T-shaped block is integrally formed at the top of each vertical plate 814, and a T-shaped groove (not shown in the figure) in sliding fit with the T-shaped block is formed in the transverse plate 813. The permanent magnet 815 is fixed on one side of the lower part of the vertical plate 814 by bolts, and the opposite surfaces of the two permanent magnets 815 have opposite magnetic poles. Threaded holes are formed in the risers 814, and a fastening piece is connected to one of the risers 814 through threads, and in the embodiment, the fastening piece is a fastening bolt and a nut.
When two risers 814 slide and slide to a locating position towards diaphragm 813 middle part, stretch into threaded hole with fastening bolt, then fix fastening bolt through the nut, slide to both sides in order to avoid two risers 814, reach the purpose of centre gripping steel construction, operating personnel carries out the centre gripping to the steel construction through a plurality of anchor clamps 81, when anchor clamps 81 centre gripping to the steel construction, permanent magnet 815 adsorbs the steel construction, further improve the stability of centre gripping, according to the width of steel construction, with the length of regulation back shaft 812, in order to guarantee to go up roller 3 and can polish the steel construction, push into in painting box 1 from the feed inlet with the steel construction.
S2: as shown in attached figures 1 and 2, opposite-roller grinding mechanisms are arranged on two sides of a painting box 1 and comprise a shell 2, sliding plates 21 are horizontally and slidably connected to the upper portion and the lower portion of the shell 2, a grinding roller is arranged between the two sliding plates 21 and comprises an upper roller 3 and a lower roller 4, a connecting shaft 32 is fixedly welded between the upper roller 3 and the lower roller 4, the upper roller 3 is rotatably connected with the sliding plates 21 on the upper portion of the shell 2, and the lower roller 4 is rotatably connected with the sliding plates 21 on the lower portion of the shell 2. One side of slide 21 is provided with the driving piece, and the driving piece is single phase motor 22 in this embodiment, and single phase motor 22 and shell 2 horizontal sliding connection are specific: the casing of the single-phase motor 22 is fixed with a support block by welding, and the casing 2 is provided with a chute (not shown) connected with the support block in a sliding way. A tension wheel is coaxially welded and fixed on an output shaft of the single-phase motor 22, a rotating wheel is coaxially welded and fixed on a rotating shaft of the upper roller 3, and a belt 23 is sleeved on the tension wheel and the rotating wheel. All threaded connection has the screw rod on the slide 21, and the bolt fastening has the power spare on the shell 2, and the power spare is three-phase motor 5 in this embodiment, and three-phase motor 5's output shaft and screw rod coaxial weld are fixed.
In some cases, because the thickness of the steel member is too large or too small, and the distance between the roller mill mechanisms is not suitable, at this moment, the three-phase motor 5 is started, the three-phase motor 5 drives the screw rod to rotate, and the screw rod drives the sliding plate 21 to move towards the upper paint box 1 or away from the upper paint box 1, so that the distance between the roller mill mechanisms can be adjusted to adapt to steel structures with different thicknesses, and when grinding is carried out, the distance between the roller mill mechanisms is adjusted to be equal to the thickness of the steel structures.
S3: start single phase motor 22, single phase motor 22 drive take-up pulley, the take-up pulley passes through belt 23 drive runner and rotates, and 3, lower roll 4 rotation are gone up in the runner drive, go up the roller 3 of 1 both sides of lacquer case, lower roll 4 polishes the steel member to make the roughness increase on steel member surface, when the width of steel construction was big enough certainly, go up roller 3, lower roll 4 homoenergetic and polish the steel construction.
S4: open on the both sides wall of japanning case 1 has manhole 6, the both sides of manhole 6 are respectively bolted fixation has first backup pad and second backup pad 62, be provided with the japanning subassembly in the first backup pad, be provided with jet-propelled subassembly on the second backup pad 62, combine and show in fig. 3 and fig. 4, the japanning subassembly includes lacquer pump and a plurality of lacquer shower nozzle 63 in this embodiment, the lacquer pump passes through pipeline and lacquer shower nozzle 63 intercommunication, lacquer shower nozzle 63 is along the length direction equipartition of first backup pad and lacquer shower nozzle 63 middle part towards japanning case 1, jet-propelled subassembly package air pump and a plurality of air shower nozzle 61, the air pump passes through pipeline and air shower nozzle 61 intercommunication, the length direction equipartition of second backup pad 62 is followed to air shower nozzle 61, and air shower nozzle rotate with second backup pad 62 and be connected. In order to enlarge the gas injection area of the air nozzle 61, in this embodiment, a cover body (not shown) with a tapered longitudinal section is sleeved on the air nozzle 61 to enlarge the gas injection area of the air nozzle 61.
Under the effect of upper roll 3 and lower roll 4, convey the steel construction towards lacquer shower nozzle 63, take the varnishing mechanism of one side as an example, start the lacquer pump, the lacquer pump sends the lacquer in order to two sides japanning to the lacquer shower nozzle 63 of steel construction to operating personnel accessible manhole 6 observes the condition of spraying paint, and the both sides until the steel construction surface are covered by the lacquer. Rotate air shower nozzle 61, towards one side of lacquer shower nozzle 63, start the air pump and send into gas to air shower nozzle 61, the gas of air shower nozzle 61 spun forms the air curtain and seals manhole 6, so reduces the lacquer granule and spills over from the painting case 1 in, reduces the volume of the interior lacquer granule of workshop. Simultaneously, the spun gas has the part to enter into in the japanning case 1, and gaseous effort is not direct to be used in the steel construction, and gaseous the lacquer on to the steel construction at this moment tentatively weathers, because gaseous effort is not direct to be used in the steel construction, gaseous effort is little, can avoid lacquer to break away from the steel construction.
S5: after the japanning is accomplished, remove the steel member towards gas shower nozzle 61 (can use air exhaust device to take away the gas in the japanning case 1 this moment), rotate the gas spraying and make gas shower nozzle 61 towards the steel construction, the gaseous direct action of gas shower nozzle 61 weathers the lacquer on the steel construction for the solidification of lacquer, the work efficiency of the japanning is accelerated.
Example two:
the second embodiment is different from the first embodiment in that, as shown in fig. 6, 7 and 8, a pump assembly, which is the suction pump 24 in this embodiment, is bolted to the top wall of the casing 2 in S3. The air inlet of the air pump 24 is connected with a main pipe 25, and the main pipe 25 is connected with a plurality of rotary joints 26 fixed on the shell 2 by bolts. As shown in fig. 7 and 8, an air passage 31 is formed in the upper roller 3, the air passage 31 is communicated with the rotary joint 26, a cavity 33 is formed in the connecting shaft 32, the cavity 33 is communicated with the air passage 31, an air hole 34 is formed in the connecting shaft 32, and the air hole 34 faces the upper part of the upper paint box 1.
When polishing the steel construction, partial granule can remain on the surface of steel construction, extracts air through the aspiration pump, and granule and the inside gas of painting case 1 can be discharged through gas pocket 34, cavity 33, air flue 31, so reduce the volume of lacquer granule on steel construction surface, further improve the japanning effect.
Simultaneously, can have partial lacquer granule in the painting case 1, and then also can discharge through the aspiration pump, when avoiding gas shower nozzle 61 to face the steel construction, in dissipation such as the lacquer granule in the painting case 1 to the workshop, so guarantee that operating personnel's operational environment is healthy.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent. The techniques, shapes, and structural parts, which are omitted from the description of the present invention, are all known techniques.

Claims (8)

1. The steel structure painting process is characterized in that: the method comprises the following steps:
s1: clamping the steel structure through a clamp, and then conveying the steel structure into an upper paint box through a sliding rail;
s2: adjusting the positions of the roller grinding mechanisms on the two sides of the painting box until the distance between the roller grinding mechanisms is equal to the thickness of the steel structure;
s3: starting the roller grinding mechanism, transporting the steel structure between the roller grinding mechanisms, and grinding the steel structure through the roller grinding mechanism;
s4: the steel structure is conveyed to a painting assembly through a roller grinding mechanism, and both sides of the steel structure are painted through the painting assembly until the surfaces of both sides of the steel structure are covered by paint, wherein the painting assembly comprises a plurality of paint spraying heads; the paint on the steel structure is preliminarily dried through the air injection assembly, the air injection assembly comprises an air pump and a plurality of air spray heads communicated with the air pump, the air spray heads are uniformly distributed along the length direction of the second supporting plate, the air spray heads are rotatably connected with the second supporting plate, the air spray heads are communicated with a cover body with a conical longitudinal section, when the paint on the steel structure is preliminarily dried, the air spray heads are rotated and face the paint spray heads, and the paint on the steel structure is preliminarily dried through the air spray heads;
s5: transporting the steel structure to the air injection assembly, rotating the air injection head towards the steel structure, and drying the paint on the steel structure through the air injection head.
2. The steel structure painting process according to claim 1, characterized in that: and S4, when the painting component paints the steel structure, observing the coverage condition of the steel structure painting through the manhole until the surfaces on the two sides of the steel structure are covered with the paint, and stopping painting.
3. The steel structure painting process according to claim 1, characterized in that: in S4, when the painting box is closed by the gas injection unit, the gas injected by the gas injection unit is blown toward the steel structure.
4. The steel structure painting process according to claim 1, characterized in that: the grinding roller mechanism comprises a shell, the upper portion and the lower portion of the shell are horizontally and slidably connected with sliding plates, the two ends of a grinding roller are respectively connected with the two sliding plates in a rotating mode and driven by a driving piece, the sliding plates are provided with screw rods in a threaded connection mode, the screw rods are driven by a power piece, a tensioning wheel is coaxially fixed on an output shaft of the driving piece, a rotating wheel is arranged in a rotating shaft of the grinding roller, a belt is sleeved on the tensioning wheel and the rotating wheel, the grinding roller comprises an upper roller and a lower roller, and a connecting shaft is fixedly welded between the upper roller and the lower roller.
5. The steel structure painting process according to claim 4, characterized in that: the connecting shaft is internally provided with a cavity, the connecting shaft is provided with an air hole communicated with the cavity, the air hole faces the middle part of the upper paint box, the upper roller is internally provided with an air passage communicated with the connecting shaft, the shell is provided with a pump assembly, the pump assembly is communicated with a rotary connecting head, and the rotary connecting head is communicated with the air passage.
6. The steel structure painting process according to claim 1, characterized in that: the fixture comprises a supporting shaft, bearings are fixedly connected to the two sides of the supporting shaft and are connected with the sliding rail in a sliding mode, a transverse plate is fixedly mounted on the lower portion of the supporting shaft, vertical plates are connected to the two sides of the transverse plate in a sliding mode, and a fastener is arranged on one vertical plate.
7. The steel structure painting process according to claim 6, characterized in that: permanent magnets are fixedly mounted on the lower portions of the vertical plates.
8. The steel structure painting process according to claim 1, characterized in that: the painting assembly comprises a plurality of painting spray heads and a painting pump communicated with the painting spray heads, and the painting spray heads are uniformly distributed along the length direction of the first supporting plate.
CN202010036701.6A 2020-01-14 2020-01-14 Steel structure painting process Active CN111097630B (en)

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