CN115608582B - Surface treatment process of lost foam - Google Patents

Surface treatment process of lost foam Download PDF

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Publication number
CN115608582B
CN115608582B CN202211425852.6A CN202211425852A CN115608582B CN 115608582 B CN115608582 B CN 115608582B CN 202211425852 A CN202211425852 A CN 202211425852A CN 115608582 B CN115608582 B CN 115608582B
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China
Prior art keywords
dip
coating
frame
fixedly arranged
square groove
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CN202211425852.6A
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Chinese (zh)
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CN115608582A (en
Inventor
韩培贤
周晓辉
王娟
王海艳
郑志斌
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Jiangxi Lianfeng Investment Casting Co ltd
Institute of New Materials of Guangdong Academy of Sciences
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Jiangxi Lianfeng Investment Casting Co ltd
Institute of New Materials of Guangdong Academy of Sciences
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Priority to CN202211425852.6A priority Critical patent/CN115608582B/en
Publication of CN115608582A publication Critical patent/CN115608582A/en
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Publication of CN115608582B publication Critical patent/CN115608582B/en
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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
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/18—Processes for applying liquids or other fluent materials performed by dipping
    • 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
    • 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
    • B05C11/11—Vats or other containers for liquids or other fluent materials
    • 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
    • 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
    • B05C3/00—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material
    • B05C3/02—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material
    • B05C3/04—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material with special provision for agitating the work or the liquid or other fluent material
    • 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
    • B05C3/00—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material
    • B05C3/02—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material
    • B05C3/09—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material for treating separate articles
    • B05C3/10—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material for treating separate articles the articles being moved through the liquid or other fluent material
    • 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
    • B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
    • B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
    • B05C9/14—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation involving heating or cooling
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

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  • Coating Apparatus (AREA)

Abstract

The invention relates to a surface treatment process of a lost foam, which comprises a dip-coating unit and a drying unit, wherein the drying unit is fixedly arranged on the right side of the dip-coating unit.

Description

Surface treatment process of lost foam
Technical Field
The invention relates to the technical field of surface treatment of lost foam, in particular to a surface treatment process of lost foam.
Background
The lost foam casting is a novel casting method for forming the casting after the paraffin or foam model with the similar size and shape to the casting is bonded and combined into a model cluster, the model cluster is coated with refractory paint and dried, then buried in dry quartz sand for vibration molding, and the model is cast under negative pressure to gasify the model, the liquid metal occupies the position of the model, and solidification and cooling are carried out.
The lost foam process mainly comprises the following steps: processing bubble is moulded white mould, processing model cluster and shaping casting, wherein after model cluster combination is accomplished, need carry out the dip-coating of fire-resistant coating and handle, in this surface treatment's the course of working, generally, need the workman to impress the model cluster in the fire-resistant coating, make coating and model cluster complete contact, then take out the model cluster, dry it, the whole in-process, the workman needs frequent bending and standing action, thereby lead to workman muscle tired out, influence later stage work efficiency, and the workman is when impressing the model cluster into the fire-resistant coating, need overlap and join in marriage protective glove, but protective glove can influence workman's operation effect, influence workman's flexibility, different workman need use the gloves of different sizes, the consumption of gloves is great, and the gloves surface of abandoning can carry a certain amount of coating, cause the waste of coating, in the stoving process, unnecessary coating on model cluster surface drips, cause the waste, and follow-up needs to handle the coating that drips.
Disclosure of Invention
In order to solve the technical problems, the invention provides a surface treatment process of a lost foam.
The surface treatment process of the lost foam uses surface treatment equipment of the lost foam, wherein the surface treatment equipment of the lost foam comprises a dip-coating unit and a drying unit, and the specific method for carrying out the surface treatment equipment of the lost foam is as follows:
s1, transporting a model cluster: firstly, placing the formed foam plastic white mold model cluster on a dip-coating unit for transportation;
s2, dip coating liquid: dropping the model cluster transported to a proper position downwards through a dip-coating unit for dip-coating liquid treatment;
s3, drying the coating liquid: drying the coating liquid on the surface of the model cluster through a drying unit;
s4, transporting a finished product: transporting the dried model clusters to a mould through a dip-coating unit for lost foam casting;
a drying unit is fixedly arranged on the right side of the dip-coating unit;
the dip-coating unit comprises a dip-coating square groove, a stirring frame is rotationally connected in the dip-coating square groove, a turnover frame is rotationally connected to the upper side of the stirring frame in the dip-coating square groove, T-shaped brackets are symmetrically and fixedly arranged on the upper end of the dip-coating square groove, a transportation frame is arranged between the T-shaped brackets, a mould taking frame is fixedly arranged on the rear side of the upper end of the transportation frame, and a reversing frame is fixedly arranged at the upper end of the transportation frame.
The drying unit comprises a trapezoid liquid guide plate, the right end of the dip-coating square groove is fixedly provided with the trapezoid liquid guide plate, and the upper end of the conveying frame is positioned right above the trapezoid liquid guide plate and fixedly provided with a dryer.
The first preferred technical scheme is as follows: the inner end of the dip-coating square groove is fixedly provided with a partition plate, blanking holes are uniformly formed on the partition plate, the lower end of each blanking hole is fixedly provided with a spiral gradual change pipe, four corners of the lower end of the dip-coating square groove are fixedly provided with supporting legs, the lower side of the inner part of the dip-coating square groove is provided with a conical groove, the lower end of the dip-coating square groove is symmetrically and fixedly provided with an electric push rod, the tail end of the electric push rod is fixedly provided with a partition plate, the lower end of the dip-coating square groove is fixedly provided with a discharge pipe, and the lower end of the discharge pipe is fixedly provided with a transport pump.
And the second preferred technical scheme is as follows: the stirring frame comprises a stirring column, the stirring column is uniformly and rotatably connected in a dip-coating square groove, a first gear is fixedly arranged at the left end of the stirring column, a first motor is fixedly arranged at the left end of the dip-coating square groove through a motor seat, an output shaft of the first motor is fixedly connected with a first gear at the rearmost side through a coupler, the first gears are meshed with each other, and stirring teeth are uniformly and fixedly arranged on the outer end face of the stirring column.
And the preferred technical scheme is as follows: the turnover frame comprises a rotating column, the rotating column is symmetrically and rotationally connected in the dip-coating square groove and located on the upper side of the stirring frame, a comb tooth long plate is symmetrically and fixedly arranged on the outer end of the rotating column, a gear II is fixedly arranged at the left end of the rotating column, two gears II are rotationally connected between the gears II on the front side and the rear side, the gears II are meshed, a stepping motor II is fixedly arranged at the left end of the dip-coating square groove through a motor base, and an output shaft of the stepping motor II is fixedly connected with the gears II on the rear side through a coupler.
The preferable technical scheme is as follows: the transportation frame comprises transportation rollers, wherein the transportation rollers are uniformly and rotatably connected between T-shaped brackets, the front ends and the rear ends of the transportation rollers are fixedly provided with chain wheels III, the chain wheels III are connected through a gear chain belt I in a transmission manner, the rear ends of the T-shaped brackets at the rear sides are fixedly provided with motors III through motor bases, three output shafts of the motors are fixedly connected with the chain wheels III at the leftmost sides through couplings, the middle parts of the left transportation rollers are provided with interrupt through holes, scraping plates are fixedly arranged at the lower ends of the transportation rollers between the T-shaped brackets and positioned at the right sides, V-shaped guide plates are fixedly arranged at the lower ends of the scraping plates, and discharge ports are formed in the middle parts of the V-shaped guide plates.
The preferable technical scheme is as follows: the die taking frame comprises a mechanical arm, the mechanical arm is fixedly mounted on the rear side of the upper end of the conveying frame, and clamping jaws are uniformly and fixedly mounted on the lower end of the mechanical arm.
The preferable technical scheme is as follows: the reversing frame comprises square blocks, the front side and the rear side of the upper end of the transportation frame are fixedly provided with inclined square blocks, the tail ends of the square blocks are fixedly provided with electric telescopic rods, and the tail ends of the electric telescopic rods are fixedly provided with pushing piece blocks.
The preferred technical scheme is as follows: the upper end face of the trapezoid liquid guide plate is smooth, a supporting cylinder is uniformly and fixedly arranged on the upper end face of the trapezoid liquid guide plate, a first grid plate is fixedly arranged at the upper end of the supporting cylinder, a connecting column is fixedly arranged at the upper end of the first grid plate, a second grid plate is fixedly arranged at the upper end of the connecting column, cylindrical through holes are formed in the first grid plate and the second grid plate, and the cylindrical through holes in the first grid plate are staggered with the cylindrical through holes in the second grid plate; the area of the falling paint contacting the light and hot air of the dryer is reduced through the matching of the first grid plate and the second grid plate, so that the liquid falling onto the trapezoid liquid guide plate is prevented from being solidified, and waste is caused.
The invention has the following beneficial effects: 1. according to the surface treatment process of the lost foam, the dip-coating unit is used for dip-coating the model clusters, workers do not need to participate in the whole process, the processing efficiency of the model clusters is guaranteed to be uniform in the whole processing process, meanwhile, the processing efficiency of the model clusters is improved, the drying unit is used for drying the model clusters subjected to dip-coating treatment, and the redundant coating is collected, recycled and reused, so that unnecessary waste in the processing process is reduced, the use efficiency of the coating is improved, meanwhile, the coating is prevented from dripping on equipment and the working bottom surface, unnecessary cleaning procedures are increased, protective gloves are not needed in the whole process, the model clusters are guaranteed to be in full contact with coating liquid, and the processing cost is reduced.
2. According to the dip-coating unit, the inside of the dip-coating square groove is separated through the partition plate, when the liquid stirring frame works, impurities in the coating liquid at the lower part of the partition plate are prevented from moving through the spiral gradual change pipe, so that the impurities return to the coating liquid at the upper side of the partition plate again from the blanking hole, when the impurities at the lower side of the partition plate are more, the partition plate is driven by the electric push rod to be mutually matched, the conical groove is separated from the coating liquid at the upper side, and at the moment, the accumulated impurities and a small part of the coating liquid can be smoothly discharged.
3. According to the dip-coating unit, the second stepping motor drives the gear to rotate forward within 180 degrees, so that the comb tooth long plate drives the model cluster to be completely immersed in coating liquid in the dip-coating square groove, then the second stepping motor drives the gear to rotate reversely within 180 degrees, the model cluster is driven by the comb tooth long plate to be separated from the coating liquid in the dip-coating square groove, and the model cluster can be conveniently taken out by the die rack.
4. According to the drying unit provided by the invention, the area of the dropped paint contacted with the light and hot air of the dryer is reduced through the matching of the first grid plate and the second grid plate, so that the liquid dropped onto the trapezoid liquid guide plate is prevented from being solidified, and waste is caused.
Drawings
FIG. 1 is a schematic of the workflow of the present invention.
Fig. 2 is a schematic perspective view of the front view of the present invention.
Fig. 3 is a schematic left-view perspective structure of the present invention.
Fig. 4 is a schematic view of the present invention in front cross-section.
Fig. 5 is an enlarged view of a portion at N of fig. 4 in accordance with the present invention.
Fig. 6 is a schematic view of a front view plane structure of the present invention.
Fig. 7 is a cross-sectional view taken along the direction A-A of fig. 6 in accordance with the present invention.
Fig. 8 is a sectional view taken along the direction B-B of fig. 7 in accordance with the present invention.
In the figure: 1. a dip-coating unit; 11. dip-coating a square groove; 111. a partition plate; 112. a blanking hole; 113. a spiral gradual change pipe; 114. a support leg; 115. a conical groove; 116. an electric push rod; 117. a partition plate; 118. a transport pump; 119. a discharge pipe; 12. a liquid stirring frame; 121. stirring the column; 122. a first gear; 123. a first motor; 124. stirring teeth; 13. a die frame is turned over; 131. rotating the column; 132. comb tooth long plate; 133. a second gear; 134. a step motor II; 14. a T-shaped bracket; 15. a transport rack; 151. a transport roller; 152. a sprocket III; 1521. a first toothed chain belt; 153. a third motor; 154. interrupting the through hole; 155. a scraping plate; 156. v-shaped material guiding plate; 157. a discharge port; 16. taking a die carrier; 161. a mechanical arm; 162. a claw; 17. A reversing frame; 171. square blocks; 172. an electric telescopic rod; 173. a pushing piece; 2. a drying unit; 21. a trapezoid liquid guide plate; 211. a support cylinder; 212. a first grid plate; 213. a connecting column; 214. a second grid plate; 215. a cylindrical through hole; 22. and (5) a dryer.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, a surface treatment process of a lost foam uses a surface treatment device of the lost foam, wherein the surface treatment device of the lost foam comprises a dip-coating unit 1 and a drying unit 2, and the specific method for performing the surface treatment device of the lost foam is as follows:
s1, transporting a model cluster: firstly, placing the formed foam plastic white mold model cluster on a dip-coating unit 1 for transportation;
s2, dip coating liquid: dropping the model cluster transported to a proper position downwards through a dip-coating unit 1 for dip-coating liquid treatment;
s3, drying the coating liquid: drying the coating liquid on the surface of the model cluster through a drying unit 2;
s4, transporting a finished product: transporting the dried model clusters to a mould through a dip-coating unit 1 for lost foam casting;
a drying unit 2 is fixedly arranged on the right side of the dip-coating unit 1;
referring to fig. 2 and 3, the dip coating unit 1 includes a dip coating square tank 11, a stirring frame 12 is rotationally connected in the dip coating square tank 11, a turning frame 13 is rotationally connected in the dip coating square tank 11 and positioned on the upper side of the stirring frame 12, a T-shaped bracket 14 is symmetrically and fixedly arranged in front of and behind the upper end of the dip coating square tank 11, a transport frame 15 is arranged between the T-shaped brackets 14, a mould taking frame 16 is fixedly arranged on the rear side of the upper end of the transport frame 15, and a reversing frame 17 is fixedly arranged at the upper end of the transport frame 15; firstly, placing the formed foam plastic white mold clusters on a transport frame 15 for transport, uniformly stirring the coating liquid in a dip-coating square tank 11 through a liquid stirring frame 12, pushing the mold clusters into the dip-coating square tank 11 through a reversing frame 17 at the moment, turning the mold clusters through a turning frame 13 due to small density of the mold clusters, enabling the mold clusters to move into the coating liquid, enabling the surfaces of the mold clusters to be coated with the coating liquid, taking out the mold clusters subjected to immersion liquid treatment through a mold taking frame 16, placing the mold clusters on the transport frame 15, and drying the mold clusters through a drying unit 2.
Referring to fig. 2, the drying unit 2 includes a trapezoidal liquid guide plate 21, the right end of the dip-coating square tank 11 is fixedly provided with the trapezoidal liquid guide plate 21, and the upper end of the transportation frame 15 is positioned right above the trapezoidal liquid guide plate 21 and fixedly provided with a dryer 22; the coating liquid on the surface of the model cluster is dried by a dryer 22, and the excessive coating liquid on the surface of the model cluster is collected by a trapezoid liquid guide plate 21, so that the coating liquid smoothly flows into the dip-coating square tank 11.
Referring to fig. 4 and 6, the inner end of the dip-coating square groove 11 is fixedly provided with a partition plate 111, the partition plate 111 is uniformly provided with a blanking hole 112, the lower end of the blanking hole 112 is fixedly provided with a spiral gradual change pipe 113, four corners of the lower end of the dip-coating square groove 11 are fixedly provided with supporting legs 114, the lower side of the inner part of the dip-coating square groove 11 is provided with a conical groove 115, the lower end of the dip-coating square groove 11 is positioned in front and back of the inner part and symmetrically and fixedly provided with an electric push rod 116, the tail end of the electric push rod 116 is fixedly provided with a partition plate 117, the lower end of the dip-coating square groove 11 is fixedly provided with a discharge pipe 119, and the lower end of the discharge pipe 119 is fixedly provided with a transport pump 118; the inside of the dip-coating square tank 11 is separated by the partition plate 111, when the model cluster is subjected to dip-coating treatment in the dip-coating square tank 11, impurities on the surface of the model cluster fall into the blanking holes 112 and finally accumulate in the conical tank 115, when the stirring frame 12 works, the movement of the impurities in the coating liquid at the lower part of the partition plate 111 is prevented by the spiral gradual change pipe 113, so that the impurities in the coating liquid at the upper part of the partition plate 111 are restored to the coating liquid at the upper part of the partition plate 111 again, when the impurities at the lower part of the partition plate 111 are more, the partition plate 117 is driven by the electric push rod 116 to be mutually matched, so that the conical tank 115 is separated from the coating liquid at the upper part, and the accumulated impurities and a small part of the coating liquid can be smoothly discharged at the moment.
Referring to fig. 4, 6 and 7, the stirring rack 12 includes a stirring column 121, the stirring column 121 is uniformly and rotatably connected in the dip-coating square tank 11, the left end of the stirring column 121 is fixedly provided with a first gear 122, the left end of the dip-coating square tank 11 is fixedly provided with a first motor 123 through a motor base, an output shaft of the first motor 123 is fixedly connected with the first gear 122 at the rearmost side through a coupling, the first gears 122 are meshed with each other, and the outer end surface of the stirring column 121 is uniformly and fixedly provided with stirring teeth 124; the first motor 123 drives the first gear 122 to rotate, so that all stirring columns 121 are driven to rotate, and the stirring columns 121 drive stirring teeth 124 to stir the coating liquid in the dip-coating square tank 11, so that the coating liquid components are uniform.
Referring to fig. 4, 6 and 7, the mold turning frame 13 includes a rotating column 131, the rotating column 131 is symmetrically and rotationally connected in the dip-coating square groove 11 and located at the front and rear of the upper side of the liquid stirring frame 12, a comb long plate 132 is symmetrically and fixedly installed at the outer end of the rotating column 131, a second gear 133 is fixedly installed at the left end of the rotating column 131, two second gears 133 are rotationally connected between the second gears 133 at the front and rear sides, the second gears 133 are meshed, a second stepping motor 134 is fixedly installed at the left end of the dip-coating square groove 11 through a motor base, and an output shaft of the second stepping motor 134 is fixedly connected with the second gears 133 at the rear side through a coupling; the second step motor 134 drives the second gear 133 to rotate forward within 180 degrees, so that the comb long plate 132 drives the model cluster to be completely immersed into the coating liquid in the dip-coating square groove 11, then the second step motor 134 drives the second gear 133 to rotate reversely within 180 degrees, the model cluster is driven to be separated from the coating liquid in the dip-coating square groove 11 by the comb long plate 132, and the die carrier 16 is convenient to take out the model cluster.
Referring to fig. 3, fig. 4, fig. 5 and fig. 8, the transport frame 15 includes a transport roller 151, the transport roller 151 is uniformly and rotatably connected between the T-shaped brackets 14, the front end and the rear end of the transport roller 151 are fixedly provided with a third sprocket 152, the third sprocket 152 is in transmission connection with the third sprocket 152 through a first toothed belt 1521, the rear end of the rear T-shaped bracket 14 is fixedly provided with a third motor 153 through a motor base, an output shaft of the third motor 153 is fixedly connected with the third left-most sprocket 152 through a coupling, an interruption through hole 154 is formed in the middle of the left-side transport roller 151, scraping plates 155 are fixedly arranged at the lower ends of the transport rollers 151 between the T-shaped brackets 14 and positioned on the right side, the lower ends of the scraping plates 155 are fixedly provided with V-shaped guide plates 156, and a discharge port 157 is formed in the middle of the V-shaped guide plates 156; the third motor 153 drives the third sprocket 152 to rotate, so that all the conveying rollers 151 are driven to rotate, the through holes 154 are interrupted, the model clusters are convenient to drop into the dip-coating square groove 11, the paint on the surface of the conveying roller 151 on the right side is scraped through the scraping plate 155, the paint is guided through the V-shaped material guide plate 156, the paint finally drops into the dip-coating square groove 11, and the paint is prevented from dropping to the edge of the side wall of the trapezoid liquid guide plate 21, so that waste is caused.
Referring to fig. 3, the mold taking frame 16 includes a mechanical arm 161, the mechanical arm 161 is fixedly mounted at the rear side of the upper end of the transport frame 15, and the clamping claws 162 are uniformly and fixedly mounted at the lower end of the mechanical arm 161; the cluster of molds is clamped by a jaw 162 on a robot arm 161.
Referring to fig. 4 and 6, the reversing frame 17 includes a square block 171, both front and rear sides of the upper end of the transporting frame 15 are fixedly provided with inclined square blocks 171, the end of the square block 171 is fixedly provided with an electric telescopic rod 172, and the end of the electric telescopic rod 172 is fixedly provided with a pushing piece 173; the pushing piece 173 is driven to move by the electric telescopic rod 172, so that the direction of the model cluster is changed until the model cluster smoothly drops down.
Referring to fig. 4 and 7, the upper end surface of the trapezoidal liquid guide plate 21 is smooth, the upper end surface of the trapezoidal liquid guide plate 21 is uniformly and fixedly provided with a supporting cylinder 211, the upper end of the supporting cylinder 211 is fixedly provided with a first grid plate 212, the upper end of the first grid plate 212 is fixedly provided with a connecting column 213, the upper end of the connecting column 213 is fixedly provided with a second grid plate 214, the first grid plate 212 and the second grid plate 214 are respectively provided with a cylindrical through hole 215, and the cylindrical through holes 215 on the first grid plate 212 are mutually staggered with the cylindrical through holes 215 on the second grid plate 214; the area of the dropped paint contacting the light and hot air of the dryer 22 is reduced by the matching of the first grid plate 212 and the second grid plate 214, so that the liquid dropped onto the trapezoid liquid guide plate 21 is prevented from being solidified, and waste is caused.
During specific work, firstly, the molded foam plastic white mold clusters are placed on a conveying frame 15 for conveying, coating liquid in a dip-coating square groove 11 is uniformly stirred through a stirring liquid frame 12, at the moment, the mold clusters are pushed into the dip-coating square groove 11 through a reversing frame 17, and because the density of the mold clusters is smaller, the mold clusters are turned through a turning frame 13, the mold clusters move into the coating liquid, the surfaces of the mold clusters are coated with the coating liquid, the mold clusters subjected to dip treatment are taken out through a mold taking frame 16 and are placed on the conveying frame 15, the coating liquid on the surfaces of the mold clusters is dried through a dryer 22, and redundant coating liquid on the surfaces of the mold clusters is collected through a trapezoid liquid guide plate 21, so that the coating liquid smoothly flows into the dip-coating square groove 11.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The surface treatment process of the lost foam uses surface treatment equipment of the lost foam, and the surface treatment equipment of the lost foam comprises a dip-coating unit (1) and a drying unit (2), and is characterized in that: the specific method for processing the lost foam by adopting the surface processing equipment of the lost foam is as follows:
s1, transporting a model cluster: firstly, placing the molded foam plastic white mold model cluster on a dip-coating unit (1) for transportation;
s2, dip coating liquid: the model clusters transported to the proper positions are dropped downwards through a dip-coating unit (1) for dip-coating liquid treatment;
s3, drying the coating liquid: drying the coating liquid on the surface of the model cluster through a drying unit (2);
s4, transporting a finished product: transporting the dried model clusters to a mould through a dip-coating unit (1) for lost foam casting;
a drying unit (2) is fixedly arranged on the right side of the dip-coating unit (1);
the dip-coating unit (1) comprises a dip-coating square groove (11), a stirring frame (12) is rotationally connected in the dip-coating square groove (11), a turnover frame (13) is rotationally connected to the upper side of the stirring frame (12) in the dip-coating square groove (11), T-shaped brackets (14) are symmetrically and fixedly arranged at the front and back of the upper end of the dip-coating square groove (11), a transportation frame (15) is arranged between the T-shaped brackets (14), a mould taking frame (16) is fixedly arranged at the rear side of the upper end of the transportation frame (15), and a reversing frame (17) is fixedly arranged at the upper end of the transportation frame (15);
the inner end of the dip-coating square groove (11) is fixedly provided with a partition plate (111), blanking holes (112) are uniformly formed in the partition plate (111), the lower end of each blanking hole (112) is fixedly provided with a spiral gradual change pipe (113), four corners of the lower end of the dip-coating square groove (11) are fixedly provided with supporting legs (114), the lower side of the inner part of the dip-coating square groove (11) is provided with a conical groove (115), the lower end of the dip-coating square groove (11) is fixedly provided with an electric push rod (116) which is symmetrically arranged in front and back, the tail end of the electric push rod (116) is fixedly provided with a partition plate (117), the lower end of the dip-coating square groove (11) is fixedly provided with a discharge pipe (119), and the lower end of the discharge pipe (119) is fixedly provided with a transport pump (118);
the drying unit (2) comprises a trapezoid liquid guide plate (21), the trapezoid liquid guide plate (21) is fixedly arranged at the right end of the dip-coating square groove (11), and the dryer (22) is fixedly arranged at the upper end of the conveying frame (15) and right above the trapezoid liquid guide plate (21).
2. A surface treatment process of a lost foam according to claim 1, characterized in that: the stirring frame (12) comprises a stirring column (121), the stirring column (121) is uniformly and rotatably connected in the dip-coating square groove (11), a first gear (122) is fixedly arranged at the left end of the stirring column (121), a first motor (123) is fixedly arranged at the left end of the dip-coating square groove (11) through a motor base, an output shaft of the first motor (123) is fixedly connected with the first gear (122) at the rearmost side through a coupler, the first gears (122) are meshed, and stirring teeth (124) are uniformly and fixedly arranged on the outer end face of the stirring column (121).
3. A surface treatment process of a lost foam according to claim 1, characterized in that: the turnover frame (13) comprises a rotating column (131), the rotating column (131) is symmetrically connected to the upper side of the stirring frame (12) in a front-back rotating mode, the outer end of the rotating column (131) is fixedly provided with a comb tooth long plate (132) in an up-down symmetrical mode, the left end of the rotating column (131) is fixedly provided with a gear II (133), two gears II (133) are rotationally connected between the gears II (133) on the front side and the rear side, the gears II (133) are meshed, the left end of the dipping frame (11) is fixedly provided with a stepping motor II (134) through a motor base, and an output shaft of the stepping motor II (134) is fixedly connected with the gear II (133) on the rear side through a coupler.
4. A surface treatment process of a lost foam according to claim 1, characterized in that: the transportation frame (15) comprises transportation rollers (151), the transportation rollers (151) are uniformly and rotatably connected between the T-shaped brackets (14), the front end and the rear end of each transportation roller (151) are fixedly provided with chain wheels (152), the chain wheels (152) are in transmission connection through a toothed chain belt I (1521), the rear end of each T-shaped bracket (14) on the rear side is fixedly provided with a motor III (153) through a motor base, an output shaft of the motor III (153) is fixedly connected with the leftmost chain wheel III (152) through a coupling, the middle part of each left transportation roller (151) is provided with an interruption through hole (154), a scraping plate (155) is fixedly arranged at the lower end of each transportation roller (151) between the T-shaped brackets (14) and positioned on the right side, a V-shaped guide plate (156) is fixedly arranged at the lower end of each scraping plate (155), and the middle part of each V-shaped guide plate (156) is provided with a discharge hole (157).
5. A surface treatment process of a lost foam according to claim 1, characterized in that: the die taking frame (16) comprises a mechanical arm (161), the mechanical arm (161) is fixedly installed at the rear side of the upper end of the conveying frame (15), and clamping claws (162) are uniformly and fixedly installed at the lower end of the mechanical arm (161).
6. A surface treatment process of a lost foam according to claim 1, characterized in that: the reversing frame (17) comprises square blocks (171), inclined square blocks (171) are fixedly mounted on the front side and the rear side of the upper end of the conveying frame (15), electric telescopic rods (172) are fixedly mounted at the tail ends of the square blocks (171), and pushing piece blocks (173) are fixedly mounted at the tail ends of the electric telescopic rods (172).
7. A surface treatment process of a lost foam according to claim 1, characterized in that: the trapezoid liquid guide plate (21) is smooth in upper end face, supporting columns (211) are uniformly and fixedly arranged on the upper end face of the trapezoid liquid guide plate (21), first grid plates (212) are fixedly arranged at the upper ends of the supporting columns (211), connecting columns (213) are fixedly arranged at the upper ends of the first grid plates (212), second grid plates (214) are fixedly arranged at the upper ends of the connecting columns (213), cylindrical through holes (215) are formed in the first grid plates (212) and the second grid plates (214), and the cylindrical through holes (215) in the first grid plates (212) are staggered with the cylindrical through holes (215) in the second grid plates (214).
CN202211425852.6A 2022-11-15 2022-11-15 Surface treatment process of lost foam Active CN115608582B (en)

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CN102145377A (en) * 2011-04-09 2011-08-10 山东信达汽车配件制造有限公司 Method and equipment for drying white pattern through microwave in evaporable pattern casting
CN105469972B (en) * 2016-01-08 2017-09-12 刘清伟 The automatic immersion oil method and its device of a kind of transformer
CN208644025U (en) * 2018-02-10 2019-03-26 六安联众工业自动化技术有限公司 A kind of full-automatic lost foam paint dip coater
CN110434011A (en) * 2019-08-20 2019-11-12 中车成都机车车辆有限公司 A kind of dip coating apparatus
CN110653120B (en) * 2019-10-10 2020-11-06 广东聚德机械有限公司 Graphite alkene of working of plastics dip-coating device
CN212384546U (en) * 2020-04-02 2021-01-22 郑州鑫金诚机械制造有限公司 Dip-coating device for lost foam
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CN215507633U (en) * 2021-08-03 2022-01-14 无锡斯坦伯格机械有限公司 Automatic dip coating drying equipment
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