CN104941855A - Long-rod spray gun spraying bracket and metal pipeline inner wall spraying technology - Google Patents
Long-rod spray gun spraying bracket and metal pipeline inner wall spraying technology Download PDFInfo
- Publication number
- CN104941855A CN104941855A CN201510447801.7A CN201510447801A CN104941855A CN 104941855 A CN104941855 A CN 104941855A CN 201510447801 A CN201510447801 A CN 201510447801A CN 104941855 A CN104941855 A CN 104941855A
- Authority
- CN
- China
- Prior art keywords
- spray gun
- spraying
- stock spray
- gun
- bearing
- 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.)
- Granted
Links
Classifications
-
- 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
- B05B13/06—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 specially designed for treating the inside of hollow bodies
- B05B13/0627—Arrangements of nozzles or spray heads specially adapted for treating the inside of hollow bodies
- B05B13/0636—Arrangements of nozzles or spray heads specially adapted for treating the inside of hollow bodies by means of rotatable spray heads or nozzles
-
- 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
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
- B05B15/62—Arrangements for supporting spraying apparatus, e.g. suction cups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
- B05D3/0272—After-treatment with ovens
-
- 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
- B05D7/22—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 internal surfaces, e.g. of tubes
- B05D7/222—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 internal surfaces, e.g. of tubes of pipes
-
- 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
- B05D2254/00—Tubes
- B05D2254/04—Applying the material on the interior of the tube
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Coating By Spraying Or Casting (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a long-rod spray gun spraying bracket and a metal pipeline inner wall spraying technology, and belongs to the technical field of coating spraying. The long-rod spray gun spraying bracket comprises a bearing, a gun rod sleeve, a support rod and a base, wherein the bearing is fixed at the upper end of the support rod; the gun rod sleeve is fixed on the inner ring of the bearing; the central axis of the gun rod sleeve is parallel to that of the bearing; the lower end of the support is fixed on the base. The metal pipeline inner wall spraying technology comprises the following steps: (1) inner wall base material treatment; (2) spraying equipment debugging; (3) long rod spray gun positioning; (4) coating spraying; (5) coating firing. According to the invention, the main aim for one-time uniform spraying of the inner walls of metal pipelines with big pipe diameter is achieved, and the quality of fired coatings on the inner walls of metal pipelines is improved.
Description
Technical field
The present invention relates to spray painting technical field, more particularly, relate to a kind of stock spray gun spraying support and metal pipe internal wall spraying coating process.
Background technology
Metallic conduit is the instrument transmitting liquid or gas, is widely used in the every field of national economy.In use, its inwall has the problem such as fouling, corrosion to metallic conduit unavoidably, thus affects the transportation work of working medium in metallic conduit and reduce the service life of pipeline, therefore, seems particularly important to the protection of metal pipe internal wall.At present; for the protection of metal pipe internal wall; usually the method taked is exactly at inner-walls of duct painting anticorrosion, non-viscous paint; there is low, the easy realization of cost and the advantage such as tack is good at inner-walls of duct painting anticorrosion, non-viscous paint; but; the spraying equipment of existing metal pipe internal wall mostly is stock spray gun, and operating personnel, in spraying process, must spray metal pipe internal wall by hand-held stock spray gun.Because the body of a gun of stock spray gun is long, quality is large, therefore hand-heldly comparatively to require great effort, be difficult to keep the body of a gun to overlap with conduit axis in actual spraying process, cause spray painting uneven, the coating layer thickness fired fluctuates comparatively greatly, the shortcomings such as holiday is many.And the annular atomization disc limited diameter of stock spray gun, metallic conduit Large Diameter Pipeline especially internal diameter being greater than to 500mm is difficult to realize the disposable even application of inwall, the low and weak effect of the efficiency of spraying.
Through retrieval, in prior art, the existing technical scheme about metal pipe internal wall spray equipment is open, as Chinese Patent Application No.: 2010100193114, publication date: on July 14th, 2010, invention and created name is: inner walls of small-caliber metallic spray equipment and spraying coating process, this application case discloses a kind of inner walls of small-caliber metallic spray equipment, comprise the spray gun that can stretch into inner walls of small-caliber metallic and carry out spraying, the mobile device of removable small-caliber metallic, can carry out the heater of local heat to small-caliber metallic.This application case also discloses a kind of method utilizing this spray equipment to spray inner walls of small-caliber metallic, the steps include: a, stretches in metal tube by spray gun rifle head; B, the metal tube that will spray is placed in the heating position of heater; C, install on metal tube mobile device make its can along the heating part displacement of heater move; D, startup heater, sprayed inner-walls of duct by spray gun while moving metal pipe.Adopt the spray equipment of this application case and corresponding spraying method, its advantage is, the mode of Electrostatic Absorption and heat absorption can be utilized to spray inner walls of small-caliber metallic, and heating position is metal tube local thus ensures that spraying position is controlled and simple to operate simultaneously.But the spray equipment of this application case and corresponding spraying method, mainly for small diameter metal pipeline inner-wall spraying and heating, do not solve the problem of Large Diameter Pipeline metal pipe internal wall spraying.
In sum, how overcoming in prior art the deficiency that when utilizing the metal pipe internal wall of stock spray gun to Large Diameter Pipeline to spray, spray efficiency is low, spraying effect is poor, is the technical barrier needing solution in prior art badly.
Summary of the invention
1. invent the technical problem that will solve
Instant invention overcomes in prior art the deficiency that when utilizing the metal pipe internal wall of stock spray gun to Large Diameter Pipeline to spray, spray efficiency is low, spraying effect is poor, provide a kind of stock spray gun spraying support and metal pipe internal wall spraying coating process, mainly achieve the target of the disposable even application of metal pipe internal wall of Large Diameter Pipeline, improve the quality that metal pipe internal wall fires coating.
2. technical scheme
For achieving the above object, technical scheme provided by the invention is:
Stock spray gun spraying support of the present invention, comprise bearing, barral of a gun sleeve, pole and pedestal, described bearing is fixed on the upper end of pole, and barral of a gun sleeve is fixed on the inner ring of bearing, and the axis of barral of a gun sleeve and the axis of bearing are parallel to each other; The lower end of pole is fixed on pedestal.
Further improve as stock spray gun spraying support of the present invention, pedestal upper end is provided with joint sleeve, and the side of joint sleeve is provided with through screwed hole, and this screwed hole is provided with fastening bolt;
Joint sleeve inside is stretched in the lower end of described pole, and fastening bolt to screw in above-mentioned screwed hole and compresses the shaft of pole, pole is fixed on joint sleeve.
Further improve as stock spray gun spraying support of the present invention, described barral of a gun sleeve is inscribed within the inner ring of bearing, and barral of a gun sleeve is fixed on the inner ring of bearing by welding manner.
Further improve as stock spray gun spraying support of the present invention, be cut in the outer ring of bearing outside the upper end of described pole, the outer ring of bearing is fixed on the upper end of pole by welding manner.
Further improve as stock spray gun spraying support of the present invention, the bottom of described pedestal is provided with four legs, and the angle of adjacent leg is identical.
Further improve as stock spray gun spraying support of the present invention, described bearing is deep groove ball bearing or taper roll bearing, and the inner ring diameter of bearing is 40 ~ 300mm.
Metal pipe internal wall spraying coating process of the present invention, comprises the steps:
Step (1), inwall base material treatment:
Prepare metallic conduit to be sprayed, and the internal diameter of this metallic conduit is greater than stock spray gun annular atomization disc diameter, metal pipe internal wall is carried out successively derusting by sandblasting, the polishing of angle grinding machine, sand papering and inwall preheating four operation;
Step (2), spraying equipment are debugged:
Air compressor, pressure coating tank and stock spray gun are assembled, the pressure regulating pressure coating tank is 0.3 ~ 0.5MPa;
Step (3), stock spray gun are located:
Get out stock spray gun spraying support, the body of a gun of stock spray gun is inserted in barral of a gun sleeve, pole lower end is regulated to stretch into the degree of depth of joint sleeve inside, make the axis of bearing and the axis of metallic conduit on same straight line, then by the shaft of tightened bolt presses pole, pole is fixed on joint sleeve;
Step (4), spray painting:
Stock spray gun is stretched in metallic conduit, by stock spray gun, spray painting is carried out to the inwall of metallic conduit, stock spray gun spraying support is moved axially along metallic conduit while spraying, and drive stock spray gun at the uniform velocity to rotate along the inner ring of bearing, make stock spray gun be that cylindrical screw line tracking moves;
Step (5), coating are fired:
The metallic conduit sprayed is sent into heating furnace, and be toast 8 ~ 20 minutes under the condition of 100 ~ 200 DEG C in temperature, be then warmed up to 360 ~ 410 DEG C, be incubated 20 ~ 40 minutes, cooling of finally coming out of the stove, completes metal pipe internal wall spraying coating process.
Metal pipe internal wall spraying coating process of the present invention, comprises the steps:
Step (1), inwall base material treatment:
Prepare metallic conduit to be sprayed, and the internal diameter of this metallic conduit is less than or equal to stock spray gun annular atomization disc diameter, metal pipe internal wall is carried out successively derusting by sandblasting, the polishing of angle grinding machine, sand papering and inwall preheating four operation;
Step (2), spraying equipment are debugged:
Air compressor, pressure coating tank and stock spray gun are assembled, the pressure regulating pressure coating tank is 0.3 ~ 0.5MPa;
Step (3), stock spray gun are located:
Get out stock spray gun spraying support, the body of a gun of stock spray gun is inserted in barral of a gun sleeve, pole lower end is regulated to stretch into the degree of depth of joint sleeve inside, make the body of a gun of stock spray gun and the axis of metallic conduit on same straight line, then by the shaft of tightened bolt presses pole, pole is fixed on joint sleeve;
Step (4), spray painting:
Stock spray gun is stretched in metallic conduit, by stock spray gun, spray painting is carried out to the inwall of metallic conduit, move axially stock spray gun spraying support along metallic conduit while spraying, make stock spray gun linearly track move;
Step (5), coating are fired:
The metallic conduit sprayed is sent into heating furnace, and be toast 8 ~ 20 minutes under the condition of 100 ~ 200 DEG C in temperature, be then warmed up to 360 ~ 410 DEG C, be incubated 20 ~ 40 minutes, cooling of finally coming out of the stove, completes metal pipe internal wall spraying coating process.
3. beneficial effect
Adopt technical scheme provided by the invention, compared with prior art, there is following remarkable result:
(1), stock spray gun spraying support of the present invention, be applicable to the metal pipe internal wall spraying stock spray gun of specialty, operating personnel are when using stock spray gun to carry out spraying operation, the body of a gun of stock spray gun can be inserted in barral of a gun sleeve and realize fixing, avoid operating personnel and hold stock spray gun at substantial muscle power, improve the spraying stability in the use procedure of stock spray gun; In the present invention, pole and joint sleeve cooperatively interact and constitute height adjustment mechanism, this height adjustment mechanism handling ease, by the degree of depth regulating pole lower end to stretch into joint sleeve inside, the relative position of stock spray gun in metallic conduit can be regulated quickly and easily, be convenient to stock spray gun accurately locate in spraying process, guarantee fund's metal conduit inner-wall spraying is even, thus improves the quality of preparation coating.
(2), in the present invention, barral of a gun sleeve and bearing form rotating mechanism, internal diameter for metallic conduit is less than or equal to the situation of stock spray gun annular atomization disc diameter, pole lower end is regulated to stretch into the degree of depth of joint sleeve inside, make the body of a gun of stock spray gun and the axis of metallic conduit on same straight line, by stock spray gun, spray painting is carried out to the inwall of metallic conduit, stock spray gun spraying support is moved axially along metallic conduit while spraying, make stock spray gun linearly track move, can be time saving and energy saving even application is carried out to the metal pipe internal wall that internal diameter is less than or equal to stock spray gun annular atomization disc diameter, thus improve the quality that metal pipe internal wall fires coating, internal diameter for metallic conduit is greater than the situation of stock spray gun annular atomization disc diameter, pole lower end is regulated to stretch into the degree of depth of joint sleeve inside, make the axis of bearing and the axis of metallic conduit on same straight line, by stock spray gun, spray painting is carried out to the inwall of metallic conduit, stock spray gun spraying support is moved axially along metallic conduit while spraying, and drive stock spray gun at the uniform velocity to rotate along the inner ring of bearing, stock spray gun is made to be that cylindrical screw line tracking moves, thus stock spray gun annular atomization disc diameter can be expanded, realize the metallic conduit of Large Diameter Pipeline, especially internal diameter is greater than the target of the disposable even application of metal pipe internal wall of 500mm, improve spray efficiency and the spraying effect of stock spray gun, make the uniform coating thickness that metal pipe internal wall is fired, largely avoided fouling and etching problem that metallic conduit in use occurs.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of stock spray gun spraying support of the present invention;
Fig. 2 is the side-looking structural representation of stock spray gun spraying support of the present invention;
Fig. 3 be in stock spray gun spraying support of the present invention pedestal look up structural representation.
Label declaration in schematic diagram: 1, bearing; 2, barral of a gun sleeve; 3, pole; 4, fastening bolt; 5, joint sleeve; 6, pedestal.
Detailed description of the invention
For understanding content of the present invention further, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
As shown in Figure 1, Figure 2 and Figure 3, the stock spray gun spraying support of the present embodiment, comprise bearing 1, barral of a gun sleeve 2, pole 3 and pedestal 6, bearing 1 is fixed on the upper end of pole 3, concrete, be cut in the outer ring of bearing 1 outside the upper end of pole 3, the outer ring of bearing 1 is fixed on the upper end of pole 3 by welding manner.Barral of a gun sleeve 2 is fixed on the inner ring of bearing 1, and the axis of the axis of barral of a gun sleeve 2 and bearing 1 is parallel to each other, concrete, barral of a gun sleeve 2 is inscribed within the inner ring of bearing 1, barral of a gun sleeve 2 is fixed on the inner ring of bearing 1 by welding manner, and barral of a gun sleeve 2 and bearing 1 form the rotating mechanism of the stock spray gun spraying support of the present embodiment.Pedestal 6 upper end is provided with joint sleeve 5, the side of joint sleeve 5 is provided with through screwed hole, this screwed hole is provided with fastening bolt 4, joint sleeve 5 inside is stretched in the lower end of pole 3, regulate pole 3 to the height needed, fastening bolt 4 to screw in above-mentioned screwed hole and compresses the shaft of pole 3, and pole 3 be fixed on joint sleeve 5, pole 3 and joint sleeve 5 form the height adjustment mechanism of the stock spray gun spraying support of the present embodiment.The bottom of pedestal 6 is provided with four legs, and the angle of adjacent leg is identical, and four legs can be respectively equipped with pulley, is convenient to pedestal 6 movement on the ground.Bearing 1 is deep groove ball bearing or taper roll bearing, and the inner ring diameter of bearing 1 is 40 ~ 300mm, for different Large Diameter Pipeline metallic conduits, can select the bearing of different inner diameters, ensure excellent spraying effect; Concrete, the present embodiment middle (center) bearing 1 is taper roll bearing, the inner ring diameter 60mm of bearing 1.
The metal pipe internal wall spraying coating process of the present embodiment, comprises the steps:
Step 1, inwall base material treatment:
Prepare metallic conduit to be sprayed, and the internal diameter of this metallic conduit is greater than stock spray gun annular atomization disc diameter, metal pipe internal wall is carried out successively derusting by sandblasting, the polishing of angle grinding machine, sand papering and inwall preheating four operation; The fineness of metal pipe internal wall can be improved by above-mentioned four operations, be convenient to the attachment of sprayed coating;
Step 2, spraying equipment are debugged:
Air compressor, pressure coating tank and stock spray gun are assembled, the pressure regulating pressure coating tank is 0.3MPa;
Step 3, stock spray gun are located:
Get out stock spray gun spraying support, the body of a gun of stock spray gun is inserted in barral of a gun sleeve 2, pole 3 lower end is regulated to stretch into the degree of depth of joint sleeve 5 inside, make the axis of bearing 1 and the axis of metallic conduit on same straight line, then compressed the shaft of pole 3 by fastening bolt 4, pole 3 is fixed on joint sleeve 5;
Step 4, spray painting:
Stock spray gun is stretched in metallic conduit, by stock spray gun, spray painting is carried out to the inwall of metallic conduit, stock spray gun spraying support is moved axially along metallic conduit while spraying, and drive stock spray gun at the uniform velocity to rotate along the inner ring of bearing 1, make stock spray gun be that cylindrical screw line tracking moves, the diameter of this circular helix is 60mm;
Step 5, coating are fired:
The metallic conduit sprayed is sent into heating furnace, and be toast 8 minutes under the condition of 100 DEG C in temperature, be then warmed up to 360 DEG C, be incubated 20 minutes, cooling of finally coming out of the stove, completes metal pipe internal wall spraying coating process.The coating sintering procedure of above-mentioned technological parameter, compared to traditional coating sintering procedure, can improve the uniform wall thickness uniformity firing coating greatly, improves the quality firing coating.
The metal pipe internal wall spraying coating process of the present embodiment, comprises the steps:
Step 1, inwall base material treatment:
Prepare metallic conduit to be sprayed, and the internal diameter of this metallic conduit is less than or equal to stock spray gun annular atomization disc diameter, metal pipe internal wall is carried out successively derusting by sandblasting, the polishing of angle grinding machine, sand papering and inwall preheating four operation;
Step 2, spraying equipment are debugged:
Air compressor, pressure coating tank and stock spray gun are assembled, the pressure regulating pressure coating tank is 0.3MPa;
Step 3, stock spray gun are located:
Get out stock spray gun spraying support, the body of a gun of stock spray gun is inserted in barral of a gun sleeve 2, pole 3 lower end is regulated to stretch into the degree of depth of joint sleeve 5 inside, make the body of a gun of stock spray gun and the axis of metallic conduit on same straight line, then compressed the shaft of pole 3 by fastening bolt 4, pole 3 is fixed on joint sleeve 5;
Step 4, spray painting:
Stock spray gun is stretched in metallic conduit, by stock spray gun, spray painting is carried out to the inwall of metallic conduit, move axially stock spray gun spraying support along metallic conduit while spraying, make stock spray gun linearly track move;
Step 5, coating are fired:
The metallic conduit sprayed is sent into heating furnace, and be toast 8 minutes under the condition of 100 DEG C in temperature, be then warmed up to 360 DEG C, be incubated 20 minutes, cooling of finally coming out of the stove, completes metal pipe internal wall spraying coating process.
The stock spray gun spraying support of the present embodiment, be applicable to the metal pipe internal wall spraying stock spray gun of specialty, operating personnel are when using stock spray gun to carry out spraying operation, the body of a gun of stock spray gun can be inserted in barral of a gun sleeve 2 and realize fixing, avoid operating personnel and hold stock spray gun at substantial muscle power, improve the spraying stability in the use procedure of stock spray gun; In the present embodiment, pole 3 and joint sleeve 5 cooperatively interact and constitute height adjustment mechanism, this height adjustment mechanism handling ease, by the degree of depth regulating pole 3 lower end to stretch into joint sleeve 5 inside, the relative position of stock spray gun in metallic conduit can be regulated quickly and easily, be convenient to stock spray gun accurately locate in spraying process, guarantee fund's metal conduit inner-wall spraying is even, thus improves the quality of preparation coating.
In the present embodiment, barral of a gun sleeve 2 and bearing 1 form rotating mechanism, internal diameter for metallic conduit is less than or equal to the situation of stock spray gun annular atomization disc diameter, pole 3 lower end is regulated to stretch into the degree of depth of joint sleeve 5 inside, make the body of a gun of stock spray gun and the axis of metallic conduit on same straight line, by stock spray gun, spray painting is carried out to the inwall of metallic conduit, stock spray gun spraying support is moved axially along metallic conduit while spraying, make stock spray gun linearly track move, can be time saving and energy saving even application is carried out to the metal pipe internal wall that internal diameter is less than or equal to stock spray gun annular atomization disc diameter, thus improve the quality that metal pipe internal wall fires coating, internal diameter for metallic conduit is greater than the situation of stock spray gun annular atomization disc diameter, pole 3 lower end is regulated to stretch into the degree of depth of joint sleeve 5 inside, make the axis of bearing 1 and the axis of metallic conduit on same straight line, by stock spray gun, spray painting is carried out to the inwall of metallic conduit, stock spray gun spraying support is moved axially along metallic conduit while spraying, and drive stock spray gun at the uniform velocity to rotate along the inner ring of bearing 1, stock spray gun is made to be that cylindrical screw line tracking moves, thus stock spray gun annular atomization disc diameter can be expanded, realize the metallic conduit of Large Diameter Pipeline, especially internal diameter is greater than the disposable even application of metal pipe internal wall of 500mm, improve spray efficiency and the spraying effect of stock spray gun, make the uniform coating thickness that metal pipe internal wall is fired, largely avoided fouling and etching problem that metallic conduit in use occurs.
Embodiment 2
The stock spray gun spraying support of the present embodiment, basic structure is identical with embodiment 1, and its difference is: bearing 1 is deep groove ball bearing, the inner ring diameter 150mm of bearing 1.
The metal pipe internal wall spraying coating process of the present embodiment, comprises the steps:
Step 1, inwall base material treatment:
Prepare metallic conduit to be sprayed, and the internal diameter of this metallic conduit is greater than stock spray gun annular atomization disc diameter, metal pipe internal wall is carried out successively derusting by sandblasting, the polishing of angle grinding machine, sand papering and inwall preheating four operation;
Step 2, spraying equipment are debugged:
Air compressor, pressure coating tank and stock spray gun are assembled, the pressure regulating pressure coating tank is 0.4MPa;
Step 3, stock spray gun are located:
Get out stock spray gun spraying support, the body of a gun of stock spray gun is inserted in barral of a gun sleeve 2, pole 3 lower end is regulated to stretch into the degree of depth of joint sleeve 5 inside, make the axis of bearing 1 and the axis of metallic conduit on same straight line, then compressed the shaft of pole 3 by fastening bolt 4, pole 3 is fixed on joint sleeve 5;
Step 4, spray painting:
Stock spray gun is stretched in metallic conduit, by stock spray gun, spray painting is carried out to the inwall of metallic conduit, stock spray gun spraying support is moved axially along metallic conduit while spraying, and drive stock spray gun at the uniform velocity to rotate along the inner ring of bearing 1, make stock spray gun be that cylindrical screw line tracking moves, the diameter of this circular helix is 150mm;
Step 5, coating are fired:
The metallic conduit sprayed is sent into heating furnace, and be toast 14 minutes under the condition of 150 DEG C in temperature, be then warmed up to 335 DEG C, be incubated 30 minutes, cooling of finally coming out of the stove, completes metal pipe internal wall spraying coating process.
Embodiment 3
The metal pipe internal wall spraying coating process of the present embodiment, comprises the steps:
Step 1, inwall base material treatment:
Prepare metallic conduit to be sprayed, and the internal diameter of this metallic conduit is less than or equal to stock spray gun annular atomization disc diameter, metal pipe internal wall is carried out successively derusting by sandblasting, the polishing of angle grinding machine, sand papering and inwall preheating four operation;
Step 2, spraying equipment are debugged:
Air compressor, pressure coating tank and stock spray gun are assembled, the pressure regulating pressure coating tank is 0.4MPa;
Step 3, stock spray gun are located:
Get out stock spray gun spraying support, the body of a gun of stock spray gun is inserted in barral of a gun sleeve 2, pole 3 lower end is regulated to stretch into the degree of depth of joint sleeve 5 inside, make the body of a gun of stock spray gun and the axis of metallic conduit on same straight line, then compressed the shaft of pole 3 by fastening bolt 4, pole 3 is fixed on joint sleeve 5;
Step 4, spray painting:
Stock spray gun is stretched in metallic conduit, by stock spray gun, spray painting is carried out to the inwall of metallic conduit, move axially stock spray gun spraying support along metallic conduit while spraying, make stock spray gun linearly track move;
Step 5, coating are fired:
The metallic conduit sprayed is sent into heating furnace, and be toast 14 minutes under the condition of 150 DEG C in temperature, be then warmed up to 335 DEG C, be incubated 30 minutes, cooling of finally coming out of the stove, completes metal pipe internal wall spraying coating process.
Embodiment 4
The stock spray gun spraying support of the present embodiment, basic structure is identical with embodiment 1, and its difference is: bearing 1 is deep groove ball bearing, the inner ring diameter 300mm of bearing 1.
The metal pipe internal wall spraying coating process of the present embodiment, comprises the steps:
Step 1, inwall base material treatment:
Prepare metallic conduit to be sprayed, and the internal diameter of this metallic conduit is greater than stock spray gun annular atomization disc diameter, metal pipe internal wall is carried out successively derusting by sandblasting, the polishing of angle grinding machine, sand papering and inwall preheating four operation;
Step 2, spraying equipment are debugged:
Air compressor, pressure coating tank and stock spray gun are assembled, the pressure regulating pressure coating tank is 0.5MPa;
Step 3, stock spray gun are located:
Get out stock spray gun spraying support, the body of a gun of stock spray gun is inserted in barral of a gun sleeve 2, pole 3 lower end is regulated to stretch into the degree of depth of joint sleeve 5 inside, make the axis of bearing 1 and the axis of metallic conduit on same straight line, then compressed the shaft of pole 3 by fastening bolt 4, pole 3 is fixed on joint sleeve 5;
Step 4, spray painting:
Stock spray gun is stretched in metallic conduit, by stock spray gun, spray painting is carried out to the inwall of metallic conduit, stock spray gun spraying support is moved axially along metallic conduit while spraying, and drive stock spray gun at the uniform velocity to rotate along the inner ring of bearing 1, make stock spray gun be that cylindrical screw line tracking moves, the diameter of this circular helix is 300mm;
Step 5, coating are fired:
The metallic conduit sprayed is sent into heating furnace, and be toast 20 minutes under the condition of 200 DEG C in temperature, be then warmed up to 410 DEG C, be incubated 40 minutes, cooling of finally coming out of the stove, completes metal pipe internal wall spraying coating process.
Embodiment 5
The metal pipe internal wall spraying coating process of the present embodiment, comprises the steps:
Step 1, inwall base material treatment:
Prepare metallic conduit to be sprayed, and the internal diameter of this metallic conduit is less than or equal to stock spray gun annular atomization disc diameter, metal pipe internal wall is carried out successively derusting by sandblasting, the polishing of angle grinding machine, sand papering and inwall preheating four operation;
Step 2, spraying equipment are debugged:
Air compressor, pressure coating tank and stock spray gun are assembled, the pressure regulating pressure coating tank is 0.5MPa;
Step 3, stock spray gun are located:
Get out stock spray gun spraying support, the body of a gun of stock spray gun is inserted in barral of a gun sleeve 2, pole 3 lower end is regulated to stretch into the degree of depth of joint sleeve 5 inside, make the body of a gun of stock spray gun and the axis of metallic conduit on same straight line, then compressed the shaft of pole 3 by fastening bolt 4, pole 3 is fixed on joint sleeve 5;
Step 4, spray painting:
Stock spray gun is stretched in metallic conduit, by stock spray gun, spray painting is carried out to the inwall of metallic conduit, move axially stock spray gun spraying support along metallic conduit while spraying, make stock spray gun linearly track move;
Step 5, coating are fired:
The metallic conduit sprayed is sent into heating furnace, and be toast 20 minutes under the condition of 200 DEG C in temperature, be then warmed up to 410 DEG C, be incubated 40 minutes, cooling of finally coming out of the stove, completes metal pipe internal wall spraying coating process.
Schematically above be described the present invention and embodiment thereof, this description does not have restricted, and also just one of the embodiments of the present invention shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the invention aim, designing the frame mode similar to this technical scheme and embodiment without creationary, all should protection scope of the present invention be belonged to.
Claims (8)
1. a stock spray gun spraying support, it is characterized in that: comprise bearing (1), barral of a gun sleeve (2), pole (3) and pedestal (6), described bearing (1) is fixed on the upper end of pole (3), barral of a gun sleeve (2) is fixed on the inner ring of bearing (1), and the axis of the axis of barral of a gun sleeve (2) and bearing (1) is parallel to each other; The lower end of pole (3) is fixed on pedestal (6).
2. a kind of stock spray gun spraying support according to claim 1, it is characterized in that: pedestal (6) upper end is provided with joint sleeve (5), the side of joint sleeve (5) is provided with through screwed hole, this screwed hole is provided with fastening bolt (4);
Joint sleeve (5) inside is stretched in the lower end of described pole (3), fastening bolt (4) to screw in above-mentioned screwed hole and compresses the shaft of pole (3), pole (3) is fixed on joint sleeve (5).
3. a kind of stock spray gun spraying support according to claim 1, it is characterized in that: described barral of a gun sleeve (2) is inscribed within the inner ring of bearing (1), barral of a gun sleeve (2) is fixed on the inner ring of bearing (1) by welding manner.
4. a kind of stock spray gun spraying support according to claim 1, it is characterized in that: the outer ring being cut in bearing (1) outside the upper end of described pole (3), the outer ring of bearing (1) is fixed on the upper end of pole (3) by welding manner.
5. a kind of stock spray gun spraying support according to claim 1, is characterized in that: the bottom of described pedestal (6) is provided with four legs, and the angle of adjacent leg is identical.
6. a kind of stock spray gun spraying support according to claim 1 to 5 any one, is characterized in that: described bearing (1) is deep groove ball bearing or taper roll bearing, and the inner ring diameter of bearing (1) is 40 ~ 300mm.
7. a metal pipe internal wall spraying coating process, is characterized in that, comprises the steps:
Step (1), inwall base material treatment:
Prepare metallic conduit to be sprayed, and the internal diameter of this metallic conduit is greater than stock spray gun annular atomization disc diameter, metal pipe internal wall is carried out successively derusting by sandblasting, the polishing of angle grinding machine, sand papering and inwall preheating four operation;
Step (2), spraying equipment are debugged:
Air compressor, pressure coating tank and stock spray gun are assembled, the pressure regulating pressure coating tank is 0.3 ~ 0.5MPa;
Step (3), stock spray gun are located:
Get out stock spray gun spraying support, the body of a gun of stock spray gun is inserted in barral of a gun sleeve (2), pole (3) lower end is regulated to stretch into the inner degree of depth of joint sleeve (5), make the axis of the axis of bearing (1) and metallic conduit on same straight line, then compressed the shaft of pole (3) by fastening bolt (4), pole (3) is fixed on joint sleeve (5);
Step (4), spray painting:
Stock spray gun is stretched in metallic conduit, by stock spray gun, spray painting is carried out to the inwall of metallic conduit, stock spray gun spraying support is moved axially along metallic conduit while spraying, and drive stock spray gun at the uniform velocity to rotate along the inner ring of bearing (1), make stock spray gun be that cylindrical screw line tracking moves;
Step (5), coating are fired:
The metallic conduit sprayed is sent into heating furnace, and be toast 8 ~ 20 minutes under the condition of 100 ~ 200 DEG C in temperature, be then warmed up to 360 ~ 410 DEG C, be incubated 20 ~ 40 minutes, cooling of finally coming out of the stove, completes metal pipe internal wall spraying coating process.
8. a metal pipe internal wall spraying coating process, is characterized in that, comprises the steps:
Step (1), inwall base material treatment:
Prepare metallic conduit to be sprayed, and the internal diameter of this metallic conduit is less than or equal to stock spray gun annular atomization disc diameter, metal pipe internal wall is carried out successively derusting by sandblasting, the polishing of angle grinding machine, sand papering and inwall preheating four operation;
Step (2), spraying equipment are debugged:
Air compressor, pressure coating tank and stock spray gun are assembled, the pressure regulating pressure coating tank is 0.3 ~ 0.5MPa;
Step (3), stock spray gun are located:
Get out stock spray gun spraying support, the body of a gun of stock spray gun is inserted in barral of a gun sleeve (2), pole (3) lower end is regulated to stretch into the inner degree of depth of joint sleeve (5), make the body of a gun of stock spray gun and the axis of metallic conduit on same straight line, then compressed the shaft of pole (3) by fastening bolt (4), pole (3) is fixed on joint sleeve (5);
Step (4), spray painting:
Stock spray gun is stretched in metallic conduit, by stock spray gun, spray painting is carried out to the inwall of metallic conduit, move axially stock spray gun spraying support along metallic conduit while spraying, make stock spray gun linearly track move;
Step (5), coating are fired:
The metallic conduit sprayed is sent into heating furnace, and be toast 8 ~ 20 minutes under the condition of 100 ~ 200 DEG C in temperature, be then warmed up to 360 ~ 410 DEG C, be incubated 20 ~ 40 minutes, cooling of finally coming out of the stove, completes metal pipe internal wall spraying coating process.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710206140.8A CN106824638B (en) | 2015-07-24 | 2015-07-24 | A kind of metal pipe internal wall spraying process |
| CN201510447801.7A CN104941855B (en) | 2015-07-24 | 2015-07-24 | Long-rod spray gun spraying bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510447801.7A CN104941855B (en) | 2015-07-24 | 2015-07-24 | Long-rod spray gun spraying bracket |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710206140.8A Division CN106824638B (en) | 2015-07-24 | 2015-07-24 | A kind of metal pipe internal wall spraying process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104941855A true CN104941855A (en) | 2015-09-30 |
| CN104941855B CN104941855B (en) | 2017-04-26 |
Family
ID=54157216
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510447801.7A Active CN104941855B (en) | 2015-07-24 | 2015-07-24 | Long-rod spray gun spraying bracket |
| CN201710206140.8A Active CN106824638B (en) | 2015-07-24 | 2015-07-24 | A kind of metal pipe internal wall spraying process |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710206140.8A Active CN106824638B (en) | 2015-07-24 | 2015-07-24 | A kind of metal pipe internal wall spraying process |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN104941855B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107716166A (en) * | 2016-02-26 | 2018-02-23 | 安徽工业大学 | A kind of metal tube laser heating spraying method |
| CN109746168A (en) * | 2017-11-01 | 2019-05-14 | 河南森源重工有限公司 | A kind of assembling tank body anticorrosive coating method, assembling tank body, tank car |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110787918B (en) * | 2017-11-28 | 2020-12-11 | 海宁百丽丝染整有限责任公司 | Adjustable nozzle |
| CN108714511B (en) * | 2018-05-07 | 2020-08-25 | 广州市绿森环保设备有限公司 | Anode cylinder inner wall spraying device and control method |
| CN112756239A (en) * | 2021-01-17 | 2021-05-07 | 天华化工机械及自动化研究设计院有限公司 | Polyurethane spraying forming process for inner wall of concrete pipeline |
| CN115584494A (en) * | 2022-10-27 | 2023-01-10 | 西安热工研究院有限公司 | Method and device for improving steam oxidation resistance of small-caliber boiler tube of coal-fired boiler |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6261667A (en) * | 1985-09-12 | 1987-03-18 | Shiyoutoku Seisakusho:Kk | Apparatus for applying lubricant to screw cutting part formed on inner surface of pipe |
| JPH02207875A (en) * | 1989-02-03 | 1990-08-17 | Kubota Ltd | Method for lining inside surface of metallic pipe |
| US6926923B2 (en) * | 2002-09-27 | 2005-08-09 | Daido Metal Company Ltd. | Method of forming coat on inner surface of bearing and apparatus for the same |
| CN2905237Y (en) * | 2006-03-17 | 2007-05-30 | 姜宜川 | Interior and exterior spray coating device for large-diameter steel plastic composite pipe |
| CN101244417A (en) * | 2008-03-31 | 2008-08-20 | 南京橡塑机械厂有限公司 | Method for processing internal wall of heavy caliber air transmission steel tube |
| RU2338602C1 (en) * | 2007-05-08 | 2008-11-20 | Государственное образовательное учреждение высшего профессионального образования Воронежская государственная технологическая академия | Machine for applying protective coating on pipeline inner surface |
| CN102671826A (en) * | 2012-05-27 | 2012-09-19 | 中国水利水电第十三工程局有限公司橡塑制品厂 | Internal spraying device for steel pipe |
| KR20140058723A (en) * | 2012-11-05 | 2014-05-15 | 현대중공업 주식회사 | Spray gun stand apparatus for aerial ladder |
| CN203725316U (en) * | 2013-12-27 | 2014-07-23 | 常州兆邦液压成套设备有限公司 | Moving device of ceramic spray gun |
| CN204220363U (en) * | 2014-09-30 | 2015-03-25 | 常州冯士节能环保科技有限公司 | Adjustable for height pipe inner-wall spraying equipment |
| CN204746707U (en) * | 2015-07-24 | 2015-11-11 | 安徽工业大学 | Stock spray gun spraying support |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU583822A1 (en) * | 1976-07-07 | 1977-12-15 | Предприятие П/Я В-8173 | Device for working internal surface of cylindrical article |
| JPS57136969A (en) * | 1981-02-19 | 1982-08-24 | Mitsubishi Electric Corp | Automatic painting device |
| CN101773891A (en) * | 2010-01-12 | 2010-07-14 | 陈福明 | Spray method and spray technology for inner walls of small-caliber metallic conduits |
| CN202061744U (en) * | 2011-04-28 | 2011-12-07 | 嘉兴华丰涂装设备有限公司 | Spray pipe for spray coating |
| CN203991000U (en) * | 2014-08-21 | 2014-12-10 | 湖南楚钢特种合金科技有限公司 | The spray equipment that can be used for interior gunning concrete carrier pipe |
-
2015
- 2015-07-24 CN CN201510447801.7A patent/CN104941855B/en active Active
- 2015-07-24 CN CN201710206140.8A patent/CN106824638B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6261667A (en) * | 1985-09-12 | 1987-03-18 | Shiyoutoku Seisakusho:Kk | Apparatus for applying lubricant to screw cutting part formed on inner surface of pipe |
| JPH02207875A (en) * | 1989-02-03 | 1990-08-17 | Kubota Ltd | Method for lining inside surface of metallic pipe |
| US6926923B2 (en) * | 2002-09-27 | 2005-08-09 | Daido Metal Company Ltd. | Method of forming coat on inner surface of bearing and apparatus for the same |
| CN2905237Y (en) * | 2006-03-17 | 2007-05-30 | 姜宜川 | Interior and exterior spray coating device for large-diameter steel plastic composite pipe |
| RU2338602C1 (en) * | 2007-05-08 | 2008-11-20 | Государственное образовательное учреждение высшего профессионального образования Воронежская государственная технологическая академия | Machine for applying protective coating on pipeline inner surface |
| CN101244417A (en) * | 2008-03-31 | 2008-08-20 | 南京橡塑机械厂有限公司 | Method for processing internal wall of heavy caliber air transmission steel tube |
| CN102671826A (en) * | 2012-05-27 | 2012-09-19 | 中国水利水电第十三工程局有限公司橡塑制品厂 | Internal spraying device for steel pipe |
| KR20140058723A (en) * | 2012-11-05 | 2014-05-15 | 현대중공업 주식회사 | Spray gun stand apparatus for aerial ladder |
| CN203725316U (en) * | 2013-12-27 | 2014-07-23 | 常州兆邦液压成套设备有限公司 | Moving device of ceramic spray gun |
| CN204220363U (en) * | 2014-09-30 | 2015-03-25 | 常州冯士节能环保科技有限公司 | Adjustable for height pipe inner-wall spraying equipment |
| CN204746707U (en) * | 2015-07-24 | 2015-11-11 | 安徽工业大学 | Stock spray gun spraying support |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107716166A (en) * | 2016-02-26 | 2018-02-23 | 安徽工业大学 | A kind of metal tube laser heating spraying method |
| CN109746168A (en) * | 2017-11-01 | 2019-05-14 | 河南森源重工有限公司 | A kind of assembling tank body anticorrosive coating method, assembling tank body, tank car |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104941855B (en) | 2017-04-26 |
| CN106824638A (en) | 2017-06-13 |
| CN106824638B (en) | 2018-11-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104941855A (en) | Long-rod spray gun spraying bracket and metal pipeline inner wall spraying technology | |
| CN107442335B (en) | Ring-shaped work pieces spray-painting plant | |
| CN106853419B (en) | A kind of steel cylinder auto spray painting device | |
| CN103418537A (en) | Internal powder spraying process for petroleum tubes | |
| CN204746707U (en) | Stock spray gun spraying support | |
| CN205520143U (en) | Internal surface cooling frock between automatic welding bead of stainless steel pipeline | |
| CN202169241U (en) | Device for automatic spray-coating powders | |
| CN104611665A (en) | Method for thermal spraying preparation of coating on large size bending pipe workpiece | |
| CN107225188A (en) | Mould fueling injection equipment | |
| CN217664117U (en) | Automatic spraying construction equipment suitable for pipeline anticorrosive paint | |
| CN105944886A (en) | Pipeline spraying device | |
| CN208245500U (en) | A kind of zinc-plated pipe port circumference prosthetic device | |
| CN205630333U (en) | Pipe inner wall sand jet | |
| CN109865914A (en) | A kind of pipeline inner wall spray welding unit | |
| CN109127305A (en) | A kind of outer anti-corrosion drive line of small-caliber steel pipe 3PE | |
| CN105834920A (en) | Pipe inner wall sand blaster | |
| CN205576233U (en) | Inside thermal treatment anchor clamps of pipeline | |
| CN201560193U (en) | Blast furnace coal powder spray gun | |
| CN202377699U (en) | Multi-torch pipe crater preheating device | |
| CN102896786B (en) | Powder interior repairing machine and repairing method thereof | |
| CN204107706U (en) | A kind of thermal spraying apparatus | |
| CN108559999A (en) | Water heater sprays equipment online with small-bore liner | |
| CN109201386A (en) | A kind of pipe fitting inner wall spray equipment | |
| CN206731385U (en) | One kind sprays uniform metallic conduit paint finishing | |
| CN221208644U (en) | Quick adjusting device of quenching spray gun |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |