CN107931068B - Spraying process for outer wall of electric hoist box body - Google Patents
Spraying process for outer wall of electric hoist box body Download PDFInfo
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- CN107931068B CN107931068B CN201711390651.6A CN201711390651A CN107931068B CN 107931068 B CN107931068 B CN 107931068B CN 201711390651 A CN201711390651 A CN 201711390651A CN 107931068 B CN107931068 B CN 107931068B
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- box body
- electric hoist
- hoist box
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/57—Three layers or more the last layer being a clear coat
- B05D7/576—Three layers or more the last layer being a clear coat each layer being cured, at least partially, separately
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/02—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to separate articles
- B05C1/022—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to separate articles to the outer surface of hollow articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1039—Recovery of excess liquid or other fluent material; Controlling means therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C15/00—Enclosures for apparatus; Booths
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/002—Pretreatement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/12—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 mechanical means
Abstract
The invention relates to the technical field of machines or equipment for coating liquid or other fluids on the surface of an object or other workpieces by using a spraying method, in particular to a spraying process for the outer wall of an electric hoist box body, which comprises the following steps: step one, polishing; step two, cleaning; step three, setting temperature; step four, preparing a spraying device; step five, priming paint; step six, middle layer painting; and step seven, surface paint. The scheme can prevent the paint from being sprayed to the ground and reduce the waste of the paint; and the adhesion of paint can be enhanced.
Description
Technical Field
The invention relates to the technical field of machines or equipment for coating liquid or other fluids on the surface of an object or other workpieces by using a spraying method, in particular to a spraying process for the outer wall of a box body of an electric hoist.
Background
The electric hoist is a hoisting device, is arranged on a crown block and a gantry crane, has the characteristics of small volume, light dead weight, simple operation, convenient use and the like, and is used in places such as industrial and mining enterprises, storage docks and the like.
In modern industry and daily life, metal corrosion is seen everywhere, and the electric hoist box is also easy to corrode, and in order to prevent the corrosion of the surface of the electric hoist box, the surface of the electric hoist box is generally painted. The conventional spraying operation is mostly a one-layer spraying processing mode of a primer layer, a middle coating layer and a finish coating layer.
The prior art has the following technical problems: 1. when the prior art is adopted to paint the electric hoist box body, the sprayed paint is scattered on the ground or other places, so that the paint is wasted and is not easy to clean; 2. the main reason is that the paint adhesion is not strong because the prior art does not press and brush when spraying paint.
Disclosure of Invention
The invention aims to provide a spraying process for the outer wall of a box body of an electric hoist, which can prevent paint from being sprayed to the ground and reduce the waste of the paint; and the adhesion of paint can be enhanced.
In order to achieve the above purpose, the basic scheme of the invention is as follows:
the spraying process for the outer wall of the electric hoist box body comprises the following steps:
step one, polishing: polishing the outer wall of the electric hoist box body to be sprayed by using abrasive paper;
step two, cleaning: cleaning the outer wall of the box body of the electric hoist polished in the step one, and then airing;
step three, temperature setting: ensuring that the spraying environment temperature is 15-30 ℃;
step four, preparing a spraying device: the spraying device comprises a spraying platform, a hydraulic cylinder and a spraying cover driven by the hydraulic cylinder; the spraying platform is provided with a rotating part for rotating the electric hoist box body; the spraying cover is internally provided with a coating part, a charging part and a charging part for charging into the charging part, and the charging part can absorb paint remained on the rotating part; the coating part is provided with paint by a loading part; the spraying platform is provided with a starting part for starting the rotating part under the pressure action of the spraying cover;
step five, priming paint: covering the electric hoist box body on the rotating part; starting the hydraulic cylinder, pushing the spraying cover to move downwards by the hydraulic cylinder, and covering the electric hoist box body by the spraying cavity; meanwhile, the lower edge of the spraying cover can be in contact with the spraying table and gradually pressed on the starting part, the rotating part is started, and the rotating part drives the electric hoist box body to rotate along with the rotation; the coating part coats the outer wall of the electric hoist box body; after 0.5-1 min, the hydraulic cylinder controls the spraying cover to move upwards, the hydraulic cylinder is closed, and the step of painting the surface of the electric hoist box body is further completed; then taking out the electric hoist box body and drying the paint on the surface of the electric hoist box body; in addition, the rotating speed of the rotating part is more than 200 r/min;
step six, middle layer paint: placing the electric hoist box body with the dried surface paint on the rotating part again in the fifth step; repeating the step of painting the surface of the electric hoist box body again; then taking out the electric hoist box body and drying the paint on the surface for the second time;
step seven, surface paint: placing the electric hoist box body dried by the paint on the surface in the sixth step on the rotating part again; repeating the step of painting the surface of the electric hoist box body again; and then taking out the electric hoist box body and drying the paint on the surface of the electric hoist box body for the third time. The beneficial effect that this scheme produced is:
1. when the method of the scheme is adopted for spraying paint, the method of the first step needs to be adopted for polishing the outer wall of the electric hoist box body firstly, so that the roughness of the outer wall of the electric hoist box body can be increased, and the paint can be attached to the outer wall of the electric hoist box body conveniently. In addition, the outer walls of the polished electric hoist box bodies are cleaned in the two pairs of steps, so that the cleanliness of the outer walls of the electric hoist box bodies can be guaranteed, and paint can be attached to the outer walls of the electric hoist box bodies conveniently.
2. In the third step, the temperature of the spraying environment is controlled to be 15-30 ℃, so that the quality of paint coating can be improved, and the phenomenon that the outer wall of the electric hoist box body is conglobated when the paint is coated is prevented; meanwhile, the phenomenon that the hole is formed due to the fact that paint cannot be fully fused because the drying is too fast and the spraying temperature is too high can be prevented.
3. The fifth step, the sixth step and the seventh step of the scheme are all sprayed by adopting the spraying device in the fourth step; because the spraying and the smearing of the paint are carried out in the spraying cover, the paint can not be sprayed to other positions, the paint is prevented from being sprayed to the ground, and the waste of the paint is reduced.
4. Step five, step six, step seven when carrying out the spraying to the electric block box, the electric block box is driven by the rotation portion and is rotated, realizes rotatory electric block box on one side, and paint portion brushes paint on the outer wall of electric block box with paint on one side, can guarantee the degree of consistency of mopping. In addition, paint left after painting can be sucked and recycled again by the loading part, and the condition of paint waste is prevented.
5. This scheme has been divided the cubic to electric block box outer wall and has been japanning, at first paints priming to electric block box outer wall, controls motor speed in the japanning at being greater than 200r/min, can further guarantee the homogeneity of electric block box outer wall paint. In addition, when the rotating speed of the motor is less than 200r/min, the paint cannot be coated on the outer wall of the electric hoist box body quickly by the coating part due to certain fluidity of the paint. After the primer is coated, taking out the electric hoist box body and drying the electric hoist box body; then the electric hoist box body is placed into a spraying device for painting, the middle layer paint can be ensured to be fast attached to the bottom layer paint, and the adhesiveness between the two layers of paint is ensured. After finishing painting, the electric hoist box body is taken out and dried again, and then is put into the spraying device to be painted for the third time, so that the paint on the surface layer is fast attached to the outer wall of the electric hoist box body, the whole flow ensures the overall fixing performance of the paint on the outer wall of the electric hoist box body and the quality of the painting, and the phenomena of air bubbles and the like can not occur.
The first preferred scheme is as follows: and as a further optimization of the basic scheme, the drying temperature in the fifth step is 150-200 ℃. The drying of the primer is realized very simply.
The preferred scheme II is as follows: as a further optimization of the first preferred scheme, the temperature of the second drying in the sixth step is 100-150 ℃. The drying of the middle layer paint is realized very simply.
The preferable scheme is three: and as a further optimization of the second preferred scheme, the temperature of the third drying in the seventh step is 70-90 ℃. The drying of the surface paint is realized very simply.
The preferable scheme is four: as a further optimization of the basic scheme or the preferable scheme III, the rotating speed of the oil rotating part is 220-400 r/min.
Drawings
FIG. 1 is a schematic structural diagram of a box body of an electric hoist;
FIG. 2 is a schematic structural diagram of the spraying process for the outer wall of the electric hoist box body;
fig. 3 is a cross-sectional view a-a of the spray shield and baffle of fig. 2.
Detailed Description
The present invention will be described in further detail below by way of specific embodiments:
reference numerals in the drawings of the specification include: the spraying device comprises a spraying platform 1, a baffle 11, a second painting brush 111, a material returning hole 1111, a pressure sensor 12, a second magnet 13, a spraying cover 2, a first magnet 21, a piston 22, a feeding channel 221, a feeding hose 222, a partition plate 23, a material sucking hole 231, an isolation cavity 232, a material cavity 24, a painting cavity 25, a first painting brush 251, a material returning hole 252, a fixing part 3, a hydraulic cylinder 31, a painting channel 4, a painting hole 41, a motor 5, a rotating shaft 51, a supporting strip 52, a material returning channel 6, a stirring blade 7, a stirring rotating shaft 71 and an electric hoist box body 8.
Example 1
As shown in fig. 1, 2 and 3, to achieve the above object, the basic scheme of the present invention is as follows:
the spraying process for the outer wall of the electric hoist box body comprises the following steps:
step one, polishing: polishing the outer wall of the electric hoist box body to be sprayed by using abrasive paper;
step two, cleaning: cleaning the outer wall of the box body of the electric hoist polished in the step one, and then airing;
step three, temperature setting: ensuring that the spraying environment temperature is 15-30 ℃;
step four, preparing a spraying device: the spraying device comprises a spraying platform 1, a hydraulic cylinder 31, a fixing part 3 and a spraying cover 2 driven by the hydraulic cylinder; the spraying cover 2 is positioned below the fixing part 3, and the spraying platform 1 is positioned below the spraying cover 2; the hydraulic cylinder 31 is fixed to the fixing portion 3. The spraying platform is provided with a rotating part for rotating the electric hoist box body; the spraying cover is internally provided with a coating part, a charging part and a charging part for charging into the charging part, and the charging part can absorb paint remained on the rotating part; the coating part is provided with paint by a loading part; the spraying platform is provided with a starting part for starting the rotating part under the pressure action of the spraying cover.
The paint portion includes a piston 22, a partition 23, a first paint brush 251, and a second paint brush 111; the piston 22 is connected in the spraying cover 2 in a sliding manner, and the output end of the hydraulic cylinder 31 extends into the spraying cover 2 and is fixedly connected with the piston 22; the partition plate 23 is fixed in the spraying cover 2, and the partition plate 23 divides the interior of the spraying cover 2 into a material cavity 24 and a paint spraying cavity 25 from top to bottom; the piston 22 is located within the charge chamber 24. The first paint brush 251 is positioned on the side wall of the paint spraying cavity 25, a paint channel 4 communicated with the material cavity 24 below the piston 22 is arranged in the side wall of the spraying cover 2, and a paint spraying hole 41 for leading paint to the first paint brush 251 is communicated with the paint channel 4; and the side of the paint channel 4 remote from the paint opening 41 is a sloping surface sloping downwards in the direction of the paint opening 41. .
The charging section includes a charging channel 221 and a charging hose 222; the feeding channel 221 is located on the piston 22, the feeding channel 221 is communicated with the material cavity 24 below the piston 22, the feeding hose 222 is communicated with the feeding channel 221, and the feeding hose 222 is provided with a one-way valve.
The rotating part comprises a motor 5, a baffle plate 11, a rotating shaft 51 and a supporting strip 52; a placing cavity is arranged in the spraying platform 1, and the motor 5 is positioned in the placing cavity; the paint spraying cavity 25 can cover the baffle plate 11, and the side wall of the baffle plate 11 can be contacted with the side wall of the paint spraying cavity 25; the bottom of the baffle 11 is rotationally connected with the spraying platform 1; the baffle 11 is provided with a central hole and a circle of grooves corresponding to the lower edge of the electric hoist box body, and the overlooking shape of the grooves is arranged according to the overlooking shape of the lower edge of the electric hoist box body. A second paint brush 111 is secured in the recess. A material returning hole 252 is formed in the inner wall of the paint spraying cavity 25, a material sucking hole 231 is formed in the partition plate 23, and a material returning channel 6 with a one-way valve is communicated between the material returning hole 252 and the material sucking hole 231; the side wall of the groove is provided with a material returning hole 1111 communicated with the material returning channel 6.
The rotating shaft 51 is fixedly connected with the output end of the motor 5; the upper end of the rotating shaft 51 penetrates through the central hole; the number of the support bars 52 is two, and the two support bars 52 are fixedly connected to the upper end of the rotating shaft 51 and are symmetrical to each other along the vertical center line of the rotating shaft 51. The diameter of the central hole is larger than that of the rotating shaft 51; the supporting bar 52 is used for supporting on the inner wall of the electric hoist box and making the electric hoist box rotate under the drive of the motor 5. The support strip 52 is an oblique strip inclined upwards, and a rubber layer is further adhered to the end of the support strip 52.
The starting part comprises a pressure sensor 12 and a controller; the upper surface of the spraying platform is provided with a placing groove for placing a pressure sensor. The pressure sensor 12 is used for detecting a pressure signal of the spraying cover 2 and transmitting a detection result to the controller, and the controller is used for controlling the motor 5 to rotate according to the detection result of the pressure sensor 12.
The bottom of the piston 22 is provided with a concave cavity, the inner wall of the concave cavity is rotatably connected with a rotary stirring part, and the rotary stirring part is driven to rotate by paint flowing out of the feeding channel 221; the rotary agitator portion extends into the material chamber 24 below the piston 22. The partition plate 23 is provided with an isolation chamber 232 into which the rotary stirring part extends.
The rotary stirring part comprises a stirring rotating shaft 71 and stirring blades 7, the stirring rotating shaft 71 is rotatably connected with the inner wall of the cavity, and the stirring blades 7 are uniformly arranged in the circumferential direction of the stirring rotating shaft 71.
The first paint brush 251 in this scheme includes a plurality of brush strips, and the brush strips all incline downwards towards the center of the paint spraying cavity; each brush strip is formed by binding pig hair into a bundle. The second paint brush 111 comprises a plurality of vertically arranged brush strips, and the lower ends of the brush strips are fixedly connected (for example, adhered) with the bottom surfaces of the grooves; and each brush strip is also formed by binding the pig hair into a bundle. The arrangement of the second painting brush 111 can facilitate painting of the lower edge of the electric hoist box body, firstly, the groove can collect paint flowing down from the electric hoist box body, the second painting brush 111 can be soaked in the paint, and paint supply to the second painting brush 111 is guaranteed; on the other hand, the paint in the groove can be conveniently recovered by the material return channel 6, and then flows into the material cavity 24.
Step five, priming paint: covering the electric hoist box body above the baffle 11, and supporting the supporting bars 52 on the inner wall of the electric hoist box body so as to support the electric hoist box body; the lower edge of the electric hoist box body corresponds to the groove; then hydraulic cylinder 31 is started again, and hydraulic cylinder 31 promotes spraying cover 2 downstream for the chamber of spraying paint covers baffle 11, and the lower limb of spraying cover 2 simultaneously can press gradually on pressure sensor 12 with spraying platform 1 contact, and motor 5 starts this moment, because be equipped with support bar 52 on motor 5, and support bar 52 supports the inner wall at the electric block box, and then makes the electric block box also along with rotating, baffle 11 of electric block box below also along with rotating. Meanwhile, after the lower edge of the spraying cover 2 is contacted with the spraying platform 1, the first magnet 21 and the second magnet 13 are stuck together; because the hydraulic cylinder 31 moves downwards, the piston 22 in the material cavity 24 moves downwards, the paint in the material cavity 24 flows through the paint channel 4 under the extrusion of the piston 22 and is sprayed out from the paint spraying hole 41, and at the moment, the first paint brush 251 can brush the paint on the outer wall of the rotating electric hoist box body; because the spraying and the smearing of the paint are carried out in the paint spraying cavity 25, the paint cannot be sprayed to other positions, the paint is prevented from being sprayed to the ground, and the waste of the paint is reduced.
After 0.5min, after the paint is sprayed, the hydraulic cylinder 31 drives the piston 22 to move upwards, and the spraying cover 2 cannot move because the first magnet 21 on the spraying cover 2 and the second magnet 13 on the spraying table 1 are mutually attracted; in the process that the piston 22 moves upwards, the paint on the baffle plate 11 enters the material returning hole 252, then enters the material returning channel 6, and finally enters the material cavity 24 through the material sucking hole 231; similarly, the paint in the groove flows through the material returning hole 1111 and the material returning channel 6 and finally enters the material cavity 24. When the piston 22 moves to abut against the upper wall of the material cavity 24, the spraying cover 2 moves upwards along with the hydraulic cylinder 31; and thus out of the spray station 1. Very simply realized that electric block box is by the spraying after finishing, pneumatic cylinder 31 upward movement can realize the recovery to the paint in baffle 11 and the recess. After the spraying cover 2 leaves the spraying platform 1, the pressure sensor 12 can not detect the pressure signal of the spraying cover 2 any more, and the motor 5 stops rotating; and further finishing the step of painting the surface of the electric hoist box body. Then taking out the electric gourd box body and drying the paint on the surface; in the scheme, the rotating speed of the motor is more than 200r/min, and in the embodiment, 200r/min is specifically selected.
Step six, middle layer paint: placing the electric hoist box body with the dried surface paint above the baffle again, and supporting the electric hoist box body by the support bars; repeating the step of painting the surface of the electric hoist box body again; then taking out the electric hoist box body and drying the paint on the surface for the second time;
step seven, surface paint: placing the electric hoist box body dried by the paint on the surface in the sixth step above the baffle again, and supporting the electric hoist box body by the support bars; repeating the step of painting the surface of the electric hoist box body again; and then taking out the electric hoist box body and drying the surface paint for the third time.
Example 2
This example differs from example 1 in that:
in the fifth step, the sixth step and the seventh step, after 1min, the paint spraying is finished, and the piston 22 is driven to move upwards by the hydraulic cylinder 31. The rotating speed of the motor is 500 r/min.
The above are merely examples of the present invention, and common general knowledge of known specific structures and characteristics in the schemes is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (5)
1. The spraying process for the outer wall of the electric hoist box body is characterized by comprising the following steps:
step one, polishing: polishing the outer wall of the electric hoist box body to be sprayed by using abrasive paper;
step two, cleaning: cleaning the outer wall of the box body of the electric hoist polished in the step one, and then airing;
step three, temperature setting: ensuring that the spraying environment temperature is 15-30 ℃;
step four, preparing a spraying device: the spraying device comprises a spraying platform, a hydraulic cylinder and a spraying cover driven by the hydraulic cylinder; the spraying platform is provided with a rotating part for rotating the electric hoist box body; the spraying cover is internally provided with a coating part, a charging part and a charging part for charging into the charging part, and the charging part can absorb paint remained on the rotating part; the coating part is provided with paint by a loading part; the spraying platform is provided with a starting part for starting the rotating part under the pressure action of the spraying cover;
the coating part comprises a piston, a partition plate, a first paint brush and a second paint brush; the piston is connected in the spraying cover in a sliding manner, and the output end of the hydraulic cylinder extends into the spraying cover and is fixedly connected with the piston; the partition plate is fixed in the spraying cover, and divides the interior of the spraying cover into a material cavity and a paint spraying cavity from top to bottom; the piston is positioned in the material cavity; the first paint brush is positioned on the side wall of the paint spraying cavity, a paint channel communicated with the material cavity below the piston is arranged in the side wall of the spraying cover, and a paint spraying hole for introducing paint to the first paint brush is communicated with the paint channel; and one side of the paint channel, which is far away from the paint spraying hole, is an inclined plane which is inclined downwards towards the direction of the paint spraying hole;
the rotating part comprises a motor, a baffle, a rotating shaft and a supporting strip; a placing cavity is arranged in the spraying platform, and the motor is positioned in the placing cavity; the baffle plate can be covered by the paint spraying cavity, and the side wall of the baffle plate can be contacted with the side wall of the paint spraying cavity; the bottom of the baffle is rotationally connected with the spraying platform; the baffle is provided with a central hole and a circle of grooves corresponding to the lower edge of the electric hoist box body, and the overlooking shape of the grooves is arranged according to the overlooking shape of the lower edge of the electric hoist box body; the second paint brush is fixed in the groove; a material returning hole is formed in the inner wall of the paint spraying cavity, a material sucking hole is formed in the partition plate, and a material returning channel with a one-way valve is communicated between the material returning hole and the material sucking hole; the side wall of the groove is provided with a material returning hole communicated with the material returning channel;
step five, priming paint: covering the electric hoist box body on the rotating part; starting the hydraulic cylinder, pushing the spraying cover to move downwards by the hydraulic cylinder, and covering the electric hoist box body by the spraying cavity; meanwhile, the lower edge of the spraying cover can be in contact with the spraying table and gradually pressed on the starting part, the rotating part is started, and the rotating part drives the electric hoist box body to rotate along with the rotation; the coating part coats the outer wall of the electric hoist box body; after 0.5-1 min, the hydraulic cylinder controls the spraying cover to move upwards, the hydraulic cylinder is closed, and the step of painting the surface of the electric hoist box body is further completed; then taking out the electric hoist box body and drying the paint on the surface of the electric hoist box body; in addition, the rotating speed of the rotating part is more than 200 r/min;
step six, middle layer paint: placing the electric hoist box body with the dried surface paint on the rotating part again in the fifth step; repeating the step of painting the surface of the electric hoist box body again; then taking out the electric hoist box body and drying the paint on the surface for the second time;
step seven, surface paint: placing the electric hoist box body dried by the paint on the surface in the sixth step on the rotating part again; repeating the step of painting the surface of the electric hoist box body again; and then taking out the electric hoist box body and drying the paint on the surface of the electric hoist box body for the third time.
2. The spraying process for the outer wall of the electric hoist box body according to claim 1, wherein the drying temperature in the fifth step is 150-200 ℃.
3. The spraying process for the outer wall of the electric hoist box body according to claim 2, wherein the temperature for the second drying in the sixth step is 100-150 ℃.
4. The spraying process for the outer wall of the electric hoist box body according to claim 3, wherein the temperature for the third drying in the seventh step is 70-90 ℃.
5. The spraying process for the outer wall of the electric hoist box body as claimed in claim 1 or 4, wherein the rotating speed of the rotating part is 220-400 r/min.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711390651.6A CN107931068B (en) | 2017-12-21 | 2017-12-21 | Spraying process for outer wall of electric hoist box body |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711390651.6A CN107931068B (en) | 2017-12-21 | 2017-12-21 | Spraying process for outer wall of electric hoist box body |
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| CN107931068A CN107931068A (en) | 2018-04-20 |
| CN107931068B true CN107931068B (en) | 2020-10-30 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102773186A (en) * | 2012-07-25 | 2012-11-14 | 樊荣 | Closed paint sprayer |
| CN203578088U (en) * | 2013-11-06 | 2014-05-07 | 安庆帝雅艺术品有限公司 | Making-replica processing device for large-size copper ware |
| CN104307717A (en) * | 2014-11-10 | 2015-01-28 | 安徽威萨重工机械有限公司 | Electric hoist box body outer wall spraying process |
| CN206652675U (en) * | 2017-04-20 | 2017-11-21 | 福建中科晶创光电科技有限公司 | A kind of square wafer vacuum glue spreader |
| CN107442348A (en) * | 2017-09-15 | 2017-12-08 | 林素霞 | A kind of computer hardware shell sprays printing equipment |
-
2017
- 2017-12-21 CN CN201711390651.6A patent/CN107931068B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102773186A (en) * | 2012-07-25 | 2012-11-14 | 樊荣 | Closed paint sprayer |
| CN203578088U (en) * | 2013-11-06 | 2014-05-07 | 安庆帝雅艺术品有限公司 | Making-replica processing device for large-size copper ware |
| CN104307717A (en) * | 2014-11-10 | 2015-01-28 | 安徽威萨重工机械有限公司 | Electric hoist box body outer wall spraying process |
| CN206652675U (en) * | 2017-04-20 | 2017-11-21 | 福建中科晶创光电科技有限公司 | A kind of square wafer vacuum glue spreader |
| CN107442348A (en) * | 2017-09-15 | 2017-12-08 | 林素霞 | A kind of computer hardware shell sprays printing equipment |
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| Publication number | Publication date |
|---|---|
| CN107931068A (en) | 2018-04-20 |
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Effective date of registration: 20230904 Address after: No. 1-27, Jinguan Jielai Hardware and Electromechanical Market, No. 6, Keyuan Fourth Street, Shiqiaopu, Jiulongpo District, Chongqing, 400000 Patentee after: CHONGQING LUOANG MACHINERY Co.,Ltd. Address before: No. B3-34, B1, Pingjie Street, West Station Electromechanical Market, No. 44 Shiyang Road, Jiulongpo District, Chongqing, 400039 Patentee before: HENAN JUREN CRANE GROUP CO.,LTD. CHONGQING HIGH AND NEW BRANCH |
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