CN109294320B - Processing technology of polyester coating - Google Patents
Processing technology of polyester coating Download PDFInfo
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- CN109294320B CN109294320B CN201811020481.7A CN201811020481A CN109294320B CN 109294320 B CN109294320 B CN 109294320B CN 201811020481 A CN201811020481 A CN 201811020481A CN 109294320 B CN109294320 B CN 109294320B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/80—Processes for incorporating ingredients
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J19/087—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/785—Preparation processes characterised by the apparatus used
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
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- Polymers & Plastics (AREA)
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- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention relates to the field of paint manufacturing, in particular to a processing technology of polyester paint, which uses a polyester synthesis reaction kettle, when in operation, a motor drives a left rotating shaft to reciprocate, a stirring mechanism on the left rotating shaft generates gas under the action of inertia to drive a first cylinder to stretch and drive a turntable to rotate, so that a connecting shaft and a right rotating shaft rotate back and forth, a second cylinder compresses to generate gas to drive a scraping unit, the right rotating shaft rotates to drive a right stirring mechanism to reciprocate and generate compressed gas, the gas is introduced into a stirring cavity through the bottom of a main body, the gas generated by the stretching of the second cylinder is introduced into a moving cavity, a magnetic ring moves up and down under the action of the suction and exhaust of the second cylinder, a scraping plate moves up and down under the action of magnetic force, a second air bag is extruded and stretched in the motion process, the generated gas drives a third cylinder to stretch, so that the stirring mechanism swings and stirs in a reciprocating way, and the device performs telescopic motion, the stirring is uniform, the material scraping is sufficient, and the units have mutual promotion correlation.
Description
Technical Field
The invention relates to the field of paint manufacturing, in particular to a processing technology of a polyester paint.
Background
Polyester resins are classified into saturated polyesters and unsaturated polyesters. The unsaturated polyester can be used for preparing polyester adhesive, and mainly comprises unsaturated polyester resin, initiator, accelerator, filler, thixotropic agent and the like. The linear polyester resin with a linear structure (see linear high polymer) and a main chain containing-CH ═ CH-double bonds can be mixed with vinyl monomers such as styrene, acrylic ester, vinyl acetate and the like, and then polymerized into insoluble and infusible products at normal temperature under the action of an initiator and an accelerator, and is mainly used for producing coil coating. The saturated polyester resin is mainly used as a film forming substance of powder coating, and has extremely wide market application. In the polymerization reaction of polyurethane resin, the raw material mixing effect is poor, the temperature control precision is low, and the polyurethane resin has slow reaction speed and low production efficiency.
There are some technical schemes about high power fiber laser in the prior art, such as a patent of application No. CN207076458U, a processing technology of polyester coating includes a kettle body, the kettle body includes an inner wall and an outer wall, a jacket layer is formed between the inner wall and the outer wall, a high temperature heat conducting agent is conveyed in the jacket layer, a cooling coil is arranged in the inner wall, the cooling coil is arranged in the inner wall in an annular winding manner, one end of the cooling coil passes through the bottom of the kettle body, the other end passes through the top of the kettle body to be connected with the output end of a condenser, a feeding pipe and an exhaust pipe are arranged on the upper portion of the kettle body, a discharging pipe is arranged on the bottom of the kettle body, two speed reducers are arranged on the top of the kettle body, a motor is arranged above each speed reducer, the output shaft of the motor is connected with the input shaft of the speed reducer, and the output shaft of the speed reducer is connected with a rotating shaft, every be provided with a plurality of stirring vane in the pivot, two epaxial stirring vane is crisscross to be set up, two all be connected with the puddler in the pivot, the tip fixedly connected with scraper of puddler.
The scheme has the problems that the stirring is not uniform, the scraping block size is small, the large-area scraping cannot be carried out, the correlation among units is not mutually promoted, and the like.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention uses a processing technology of the polyester coating, the technology uses a polyester synthesis reaction kettle, the problems that the stirring is not uniform, the scraping size is small, the large-area scraping cannot be carried out, and the correlation between units is not mutually promoted can be solved, and the invention provides a technical scheme for solving the problems.
The technical scheme adopted by the invention for solving the technical problems is as follows: a processing technology of polyester paint is characterized in that: the process comprises the following steps:
s1: preparing polyester resin, vinyl monomer, reaction initiator and accelerator material;
s2: mixing the materials prepared in the step S1;
s3: adding the mixture in the S2 into a polyester synthesis reaction kettle for reaction;
s4: mixing insoluble products generated after the reaction in the S3 with powder coating to prepare polyester coating;
wherein S3 uses a polyester synthesis reaction kettle, which comprises a main body, a stirring unit, a driving unit, a scraping unit, a feeding pipe, a discharging pipe and an exhaust pipe; the main body is a cylinder and comprises a high-temperature heat conduction cavity, a moving cavity and a stirring cavity; the high-temperature heat conduction cavity is positioned at the outer side and wraps the moving cavity and the stirring cavity, and a high-temperature heat conduction agent is conveyed in the high-temperature heat conduction cavity; the moving cavity is positioned between the high-temperature heat conduction cavity and the stirring cavity and is used for driving the scraping unit to move; the stirring cavity is positioned in the center of the main body, the inner wall of the stirring cavity is an uneven wavy surface, rectangular grooves are formed in the left side and the right side of the stirring cavity and penetrate through the wavy surface, and the stirring cavity is used for stirring materials; the driving unit is positioned on the outer wall of the top of the main body and used for driving the stirring unit and the scraping unit on the left side to operate; the stirring unit is positioned in the stirring cavity and penetrates through the upper wall of the main body to be connected with the driving unit; the scraping unit is arranged on the inner wall of the main body and used for scraping materials from the wall surface of the kettle, so that the materials are prevented from sticking to the wall, and the temperature of the materials is prevented from being uneven; the feeding pipe is positioned at the left upper part of the main body, penetrates through the main body and is used for discharging and feeding materials; the discharge pipe is positioned in the middle of the bottom of the main body and used for discharging materials after reaction; the exhaust pipe is positioned at the upper right part of the top of the main body, penetrates through the main body and is used for exhausting gas generated in the reaction process. During the operation, add the material from the inlet pipe, open drive unit, drive unit drives left stirring unit, stirs the material, and in order to prevent that the material from gluing the wall, the scraper unit reciprocates at the main part inner wall and scrapes the material simultaneously, waits to react and accomplishes the material and discharge from the discharging pipe.
Preferably, the driving unit comprises a motor, a first cylinder, a second cylinder, a base, a rotating shaft, a turntable, a supporting shaft and a connecting shaft; the motor is fixed on the outer wall of the top of the main body and connected with the stirring unit on the left side, and the rotation mode of the motor is that the motor rotates in a reciprocating mode with a rotation angle of 180 degrees; the two bases are fixed on the outer wall of the top of the main body and used for supporting the first air cylinder and the second air cylinder; the rotating shaft is fixed on the outer wall of the top of the main body and is positioned between the two bases; the rotary table is rotationally connected with the rotating shaft and can rotate freely; the first cylinder is fixed on the left base, a telescopic shaft at the other end of the cylinder is movably connected to the eccentric position of the turntable, and the first cylinder is supplied with gas by the left stirring unit to move to push the turntable to rotate; the second cylinder is fixed on the right base and is arranged opposite to the first cylinder, the telescopic shaft of the second cylinder is movably connected to the eccentric position of the turntable, the turntable rotates to drive the second cylinder to stretch, and generated gas is used for driving the scraping unit; the supporting shaft is positioned above the circle center of the rotary table and fixedly connected with the rotary table; one end of the connecting shaft is movably connected with the top of the supporting shaft, the other end of the connecting shaft is fixedly connected with the stirring unit on the right side, and the turntable rotates back and forth to drive the supporting shaft to rotate back and forth, so that the connecting shaft is driven to swing back and forth, and the stirring unit on the right side does reciprocating rotation motion to stir. During the operation, left stirring unit acts on a cylinder for providing gas, and a cylinder is flexible promotes the carousel and rotates, and the carousel makes a round trip to rotate, drives the back shaft and makes a round trip to rotate to drive the connecting axle swing back and forth, make the stirring unit on right side be reciprocating motion, stir, the carousel rotates simultaneously and drives No. two cylinders flexible, and it scrapes the material unit to produce gas and be used for the drive.
Preferably, the stirring unit comprises a rotating shaft and a stirring mechanism; the two rotating shafts are symmetrically arranged at the left side and the right side of the stirring cavity, the left rotating shaft penetrates through the main body to be connected with the motor, and the right rotating shaft penetrates through the main body to be fixedly connected with the connecting shaft; and a plurality of stirring mechanisms are arranged on the two rotating shafts, and the stirring mechanisms of the two rotating shafts are arranged in a staggered manner.
Preferably, the stirring mechanism comprises a third cylinder, a stirring blade, a spring and a first air bag; the third cylinder is fixed on the rotating shaft, and a telescopic shaft of the third cylinder is fixedly connected with the stirring blade; the three stirring blades 222 are vertically arranged, adjacent stirring blades are connected through two springs, a first air bag is fixed between adjacent stirring blades, and the rotating shaft rotates back and forth to enable the first air bag to be compressed; when the motor drives left side rotation axis reciprocating rotation back and forth, the epaxial rabbling mechanism of left side rotation stirs the leaf extrusion gasbag No. one under inertial effect, it is flexible that the produced gas is used for driving a cylinder, thereby it is rotatory to drive the carousel, the rotatory back shaft swing back and forth that drives of carousel, drive connecting axle and right side rotation axis back and forth rotation, and No. two cylinder compressions produce gas drive and scrape the material unit, the rotatory right side rabbling mechanism that drives of right side rotation axis makes a round trip to rotate, thereby produce compressed gas, let in the stirring chamber through the main part bottom, be used for stirring with higher speed, the effect of stable inside atmospheric pressure. When the function, when the motor drives left side rotation axis reciprocating rotation, the epaxial rabbling mechanism of left side rotation stirs the leaf and extrudees an gasbag under inertial effect, it is flexible to produce gaseous being used for driving a cylinder, thereby it is rotatory to drive the carousel, the rotatory back shaft swing back and forth that drives of carousel, drive connecting axle and right side rotation axis reciprocating rotation, and No. two cylinder compressions produce the gas drive and scrape the material unit, the rotatory right side rabbling mechanism that drives of right side rotation axis makes a round trip to rotate, thereby produce compressed gas, let in the stirring chamber through the main part bottom, be used for stirring with higher speed, the effect of stable inside atmospheric pressure.
Preferably, the scraping unit comprises a magnetic ring, a scraping block, a spring and a second air bag; the magnetic ring is positioned in the moving cavity, when the second cylinder stretches, generated gas is introduced into the moving cavity, and the magnetic ring moves up and down under the action of air suction and exhaust of the second cylinder as a piston; the two second air bags are arranged in a rectangular groove in the inner wall of the main body and can move in the rectangular groove, and the two second air bags are respectively and fixedly connected with the two scraping blocks; two scrape the piece and be semicircle annular, its external diameter is unanimous with main part inner wall minimum internal diameter, two scrape through spring coupling between the piece, scrape piece and main part inner wall contact, can follow main part inner wall wave face and remove, scrape piece and No. two gasbag fixed connection, scrape the piece and remove along main part inner wall wave face, drive No. two gasbags and reciprocate, simultaneously because main part inner wall is the wave face, scrape piece and No. two gasbag fixed connection, No. two gasbags constantly receive extrusion and tensile at the motion in-process, produce the flexible function of No. three cylinders of gaseous drive, make rabbling mechanism when reciprocating swing stirring, also carry out concertina movement, can improve stirring efficiency, make the stirring. When the second cylinder is flexible, generated gas is introduced into the moving cavity, the magnetic ring moves up and down under the functions of air suction and exhaust in the second cylinder like a piston, the magnetic ring moves to drive the scraping block to move under the magnetic force function, the inner wall of the main body is a wavy surface, the scraping block is fixedly connected with the second air bag, the second air bag is continuously extruded and stretched in the motion process, generated gas drives the third cylinder to stretch and operate, the stirring mechanism is enabled to do telescopic motion while stirring in a reciprocating swing mode, the stirring efficiency can be improved, and stirring uniformity is promoted.
Preferably, the size of the magnetic ring is consistent with that of the moving cavity, and the magnetic ring is magnetic; the scraping block is made of metal materials and is tightly attached to the inner wall of the main body under the action of magnetic force of the magnetic ring, and meanwhile, the magnetic ring moves to drive the scraping block to move under the action of the magnetic force.
Therefore, the invention has the following beneficial effects:
1. according to the invention, through the radial adjusting mechanism, when the motor drives the left rotating shaft to rotate back and forth, the stirring blade on the left rotating shaft extrudes the first air bag under the action of inertia, generated gas is used for driving the first air cylinder to stretch and retract, so that the rotating disc is driven to rotate, the rotating disc rotates to drive the supporting shaft to swing back and forth, so that the connecting shaft and the right rotating shaft are driven to rotate back and forth, the second air cylinder compresses to generate gas to drive the scraping unit, the right rotating shaft rotates to drive the right stirring mechanism to rotate back and forth, so that compressed gas is generated, and the gas is introduced into the stirring cavity through the bottom of the main body, so that the stirring is accelerated, and the internal air pressure is stabilized;
2. the left stirring unit rotates back and forth under the action of the motor, the left stirring unit generates gas to act on the driving unit, the driving unit promotes the stirring of the right stirring unit, the stirring unit generates other gas to act on the scraping unit to operate through acting on the driving unit, the scraping unit operates to generate gas to act on the stirring unit to promote stirring, the automation of the equipment is realized, and the mutual connection among the functions is realized.
3. The two cylinders stretch to generate gas to be introduced into the moving cavity, the magnetic ring moves up and down under the action of air suction and exhaust of the two cylinders like a piston, the magnetic ring moves to drive the scraping block to move under the action of magnetic force, and the scraping block moves up and down on the inner wall of the main body, so that large-area scraping can be performed, and materials are prevented from being adhered to the wall.
Drawings
FIG. 1 is a process flow of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a top view of the present invention;
in the figure: the stirring device comprises a main body 1, a stirring unit 2, a driving unit 3, a scraping unit 4, a feeding pipe 5, a discharging pipe 6, an exhaust pipe 7, a high-temperature heat conducting cavity 11, a moving cavity 12, a stirring cavity 13, a motor 31, a first air cylinder 32, a second air cylinder 33, a base 34, a rotating shaft 35, a rotating disc 36, a supporting shaft 37, a connecting shaft 38, a rotating shaft 21, a stirring mechanism 22, a third air cylinder 221, a stirring blade 222, a first spring 223, a first air bag 224, a magnetic ring 41, a scraping block 42, a second spring 43 and a second air bag 44.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 4, the invention relates to a processing technology of polyester paint, which is characterized in that: the process comprises the following steps:
s1: preparing polyester resin, vinyl monomer, reaction initiator and accelerator material;
s2: mixing the materials prepared in the step S1;
s3: adding the mixture in the S2 into a polyester synthesis reaction kettle for reaction;
s4: mixing insoluble products generated after the reaction in the S3 with powder coating to prepare polyester coating;
wherein S3 is a polyester synthesis reaction kettle, which comprises a main body 1, a stirring unit 2, a driving unit 3, a scraping unit 4, a feeding pipe 5, a discharging pipe 6 and an exhaust pipe 7; the main body 1 is a cylinder, and the main body 1 comprises a high-temperature heat conduction cavity 11, a moving cavity 12 and a stirring cavity 13; the high-temperature heat conduction cavity 11 is positioned at the outer side and wraps the moving cavity 12 and the stirring cavity 13, and a high-temperature heat conduction agent is conveyed in the high-temperature heat conduction cavity 11; the moving cavity 12 is positioned between the high-temperature heat conduction cavity 11 and the stirring cavity 13 and is used for driving the scraping unit 4 to move; the stirring cavity 13 is positioned in the center of the main body 1, the inner wall of the stirring cavity 13 is an uneven wavy surface, rectangular grooves are formed in the left side and the right side of the stirring cavity, the rectangular grooves penetrate through the wavy surface, and the stirring cavity 13 is used for stirring materials; the driving unit 3 is positioned on the outer wall of the top of the main body 1 and is used for driving the stirring unit 2 and the scraping unit 4 on the left side to operate; the stirring unit 2 is positioned in the stirring cavity 13 and penetrates through the upper wall of the main body 1 to be connected with the driving unit 3; the scraping unit 4 is arranged on the inner wall of the main body 1 and used for scraping materials from the wall surface of the kettle, so that the materials are prevented from sticking to the wall, and the temperature of the materials is prevented from being uneven; the feeding pipe 5 is positioned above the left side of the main body 1, penetrates through the main body 1 and is used for discharging and feeding materials; the discharge pipe 6 is positioned in the middle of the bottom of the main body 1 and used for discharging materials after reaction; the exhaust pipe 7 is positioned at the upper right part of the top of the main body 1, penetrates through the main body 1 and is used for exhausting gas generated in the reaction process. During the operation, add the material from inlet pipe 5, open drive unit 3, drive unit 3 drives left stirring unit 2, stirs the material, and in order to prevent that the material from gluing the wall, scrape material unit 4 and reciprocate at 1 inner wall of main part and scrape the material simultaneously, treat that the reaction is accomplished the material and discharge from discharging pipe 6.
Preferably, the driving unit 3 includes a motor 31, a first cylinder 32, a second cylinder 33, a base 34, a rotating shaft 35, a turntable 36, a supporting shaft 37 and a connecting shaft 38; the motor 31 is fixed on the outer wall of the top of the main body 1 and connected with the stirring unit 2 on the left side, and the rotation mode of the motor 31 is that the rotation angle is 180 degrees; the two bases 34 are fixed on the outer wall of the top of the main body 1 and used for supporting the first air cylinder 32 and the second air cylinder 33; the rotating shaft 35 is fixed on the outer wall of the top of the main body 1 and is positioned between the two bases 34; the turntable 36 is rotatably connected with the rotating shaft 35 and can rotate freely; the first cylinder 32 is fixed on the left base 34, the telescopic shaft at the other end of the cylinder is movably connected to the eccentric position of the turntable 36, and the first cylinder 32 is supplied with gas by the stirring unit 2 on the left side to move to push the turntable 36 to rotate; the second cylinder 33 is fixed on the right base 34 and is arranged opposite to the first cylinder 32, the telescopic shaft of the second cylinder 33 is movably connected to the eccentric position of the turntable 36, the turntable 36 rotates to drive the second cylinder 33 to stretch, and gas is generated to drive the scraping unit 4; the supporting shaft 37 is positioned above the circle center of the turntable 36 and is fixedly connected with the turntable 36; one end of the connecting shaft 38 is movably connected with the top of the supporting shaft 37, the other end of the connecting shaft is fixedly connected with the right stirring unit 2, and the turntable 36 rotates back and forth to drive the supporting shaft 37 to rotate back and forth, so that the connecting shaft 38 is driven to swing back and forth, and the right stirring unit 2 performs reciprocating rotation motion to perform stirring. During operation, the left stirring unit 2 acts on the first cylinder 32 for providing gas, the first cylinder 32 stretches and retracts to push the turntable 36 to rotate, the turntable 36 rotates back and forth, the supporting shaft 37 is driven to rotate back and forth, the connecting shaft 38 is driven to swing back and forth, the right stirring unit 2 is driven to do reciprocating rotation motion to stir, meanwhile, the turntable 36 rotates to drive the second cylinder 33 to stretch and retract, and gas is generated to drive the scraping unit 4.
Preferably, the stirring unit 2 includes a rotating shaft 21 and a stirring mechanism 22; the two rotating shafts 21 are symmetrically arranged at the left side and the right side of the stirring cavity 13, the left rotating shaft 21 penetrates through the main body 1 to be connected with the motor 31, and the right rotating shaft 21 penetrates through the main body 1 to be fixedly connected with the connecting shaft 38; a plurality of stirring mechanisms 22 are arranged on the two rotating shafts 21, and the stirring mechanisms 22 of the two rotating shafts are arranged in a staggered manner.
Preferably, the stirring mechanism 22 comprises a third cylinder 221, a stirring blade 222, a first spring 223 and a first air bag 224; the third cylinder 221 is fixed on the rotating shaft 21, and the telescopic shaft of the third cylinder 221 is fixedly connected with the stirring blade 222; the three stirring blades 222 are vertically arranged, the adjacent stirring blades 222 are connected through two springs 223, a first air bag 224 is fixed between the adjacent stirring blades 222, and the rotating shaft 21 rotates back and forth to enable the first air bag 224 to be compressed; when motor 31 drives left side rotation axis 21 reciprocating rotation back and forth, rabbling mechanism 22 on the left side rotation axis 21 stirs leaf 222 extrusion gasbag 224 No. one under inertial effect, it is flexible to produce gaseous cylinder 32 that is used for driving, thereby it is rotatory to drive carousel 36, carousel 36 is rotatory to drive back shaft 37 and is swung round, drive connecting axle 38 and right side rotation axis 21 and make a round trip to rotate, and No. two cylinders 33 compression produces the gas drive and scrapes material unit 4, right side rotation axis 21 is rotatory to drive right side rabbling mechanism 22 and make a round trip to rotate, thereby produce compressed gas, let in stirring chamber 13 through main part 1 bottom, be used for stirring with higher speed, the effect of stable inside atmospheric pressure. During the operation, when motor 31 drives left side rotation axis 21 reciprocating rotation back and forth, rabbling mechanism 22 on the left side rotation axis 21 stirs leaf 222 extrusion gasbag 224 No. one under inertial effect, it is flexible to produce gaseous cylinder 32 that is used for driving, thereby it is rotatory to drive carousel 36, carousel 36 is rotatory to drive back shaft 37 swing back and forth, drive connecting axle 38 and right side rotation axis 21 rotation back and forth, and No. two cylinders 33 compression produces the gaseous drive and scrapes material unit 4, right side rotation axis 21 is rotatory to drive right side rabbling mechanism 22 and back and forth rotate, thereby produce compressed gas, let in stirring chamber 13 through main part 1 bottom, be used for stirring with higher speed, the effect of stable inside atmospheric pressure.
Preferably, the scraping unit 4 comprises a magnetic ring 41, a scraping block 42, a second spring 43 and a second air bag 44; the magnetic ring 41 is positioned in the moving cavity 12, when the second cylinder 33 stretches, generated gas is introduced into the moving cavity 12, and the magnetic ring 41 moves up and down under the action of air suction and exhaust of the second cylinder 33 like a piston; the two second air bags 44 are arranged in a rectangular groove on the inner wall of the main body 1 and can move in the rectangular groove, and the two second air bags 44 are respectively fixedly connected with the two scraping blocks 42; two scrape the piece 42 and be the semicircle ring shape, its external diameter is unanimous with 1 inner wall minimum internal diameter of main part, two scrape and connect through No. two spring 43 between the piece 42, scrape the contact of piece 42 and 1 inner wall of main part, can follow 1 inner wall wave face of main part and remove, scrape piece 42 and No. two gasbag 44 fixed connection, scrape the piece 42 and remove along 1 inner wall wave face of main part, drive No. two gasbag 44 and reciprocate, simultaneously because 1 inner wall of main part is the wave face, scrape piece 42 and gasbag fixed connection, the gasbag constantly receives extrusion and tensile at the motion process, produce the flexible function of No. three cylinders 221 of gaseous drive, make rabbling mechanism 22 in reciprocating swing stirring, also carry out concertina movement, can improve stirring efficiency, make the stirring. When the second cylinder 33 stretches, generated gas is introduced into the moving cavity 12, the magnetic ring 41 moves up and down under the functions of air suction and exhaust of the second cylinder 33 like a piston, the magnetic ring 41 moves to drive the scraping block 42 to move under the magnetic force function, the inner wall of the main body 1 is a wavy surface, the scraping block 42 is fixedly connected with the second air bag 44, the second air bag 44 is continuously extruded and stretched in the motion process, the generated gas drives the third cylinder 221 to stretch and retract, the stirring mechanism 22 also conducts stretching motion while swinging and stirring in a reciprocating mode, the stirring efficiency can be improved, and stirring uniformity is promoted.
Preferably, the size of the magnetic ring 41 is consistent with that of the moving cavity 12, and the magnetic ring 41 has magnetism; the scraping block 42 is made of metal materials and is tightly attached to the inner wall of the main body 1 under the action of the magnetic force of the magnetic ring 41, and meanwhile, the magnetic ring 41 moves to drive the scraping block 42 to move under the action of the magnetic force.
When the device is operated, materials are added from the feeding pipe 5, the driving unit 3 is started, the motor 31 drives the left rotating shaft 21 to rotate back and forth, the stirring blade 222 on the left rotating shaft 21 extrudes the first air bag 224 under the action of inertia, generated gas is used for driving the first air cylinder 32 to extend and retract, so as to drive the rotating disc 36 to rotate, the rotating disc 36 rotates to drive the supporting shaft 37 to swing back and forth, so as to drive the connecting shaft 38 and the right rotating shaft 21 to rotate back and forth, the second air cylinder 33 compresses to generate gas to drive the scraping unit 4, the right rotating shaft 21 rotates to drive the right stirring mechanism 22 to rotate back and forth, so as to generate compressed gas, the gas is introduced into the stirring cavity 13 through the bottom of the main body 1 for accelerating stirring and stabilizing the internal air pressure, when the second air cylinder 33 extends and retracts, generated gas is introduced into the moving cavity 12, the magnetic ring 41 is like a piston, and moves up and down under the suction and exhaust actions of the second air cylinder 33, the magnetic ring 41 moves to drive the scraping block 42 to move under the action of magnetic force, the inner wall of the main body 1 is a wavy surface, the scraping block 42 is fixedly connected with the second air bag 44, the second air bag 44 is continuously extruded and stretched in the motion process, and generated gas drives the third air cylinder 221 to stretch and retract, so that the stirring mechanism 22 can perform stretching motion while reciprocating, swinging and stirring, the stirring efficiency can be improved, and materials to be uniformly stirred and reacted are discharged from the discharge pipe 6.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A processing technology of polyester paint is characterized in that: the process comprises the following steps:
s1: preparing polyester resin, vinyl monomer, reaction initiator and accelerator material;
s2: mixing the materials prepared in the step S1;
s3: adding the mixture in the S2 into a polyester synthesis reaction kettle for reaction;
s4: mixing insoluble products generated after the reaction in the S3 with powder coating to prepare polyester coating;
wherein S3 uses a polyester synthesis reaction kettle, which comprises a main body (1), a stirring unit (2), a driving unit (3), a scraping unit (4), a feeding pipe (5), a discharging pipe (6) and an exhaust pipe (7); the main body (1) is a cylinder, and the main body (1) comprises a high-temperature heat conduction cavity (11), a moving cavity (12) and a stirring cavity (13); the high-temperature heat conduction cavity (11) is positioned at the outer side and wraps the moving cavity (12) and the stirring cavity (13), and a high-temperature heat conduction agent is conveyed in the high-temperature heat conduction cavity (11); the moving cavity (12) is positioned between the high-temperature heat conduction cavity (11) and the stirring cavity (13) and is used for driving the scraping unit (4) to move; the stirring cavity (13) is positioned in the center of the main body (1), the inner wall of the stirring cavity (13) is an uneven wavy surface, rectangular grooves are formed in the inner parts of the left side and the right side and penetrate through the wavy surface, and the stirring cavity (13) is used for stirring materials; the driving unit (3) is positioned on the outer wall of the top of the main body (1) and is used for driving the stirring unit (2) and the scraping unit (4) on the left side to operate; the stirring unit (2) is positioned in the stirring cavity (13) and penetrates through the upper wall of the main body (1) to be connected with the driving unit (3); the scraping unit (4) is arranged on the inner wall of the main body (1) and is used for scraping materials from the wall surface of the kettle, so that the materials are prevented from sticking to the wall, and the temperature of the materials is prevented from being uneven; the feeding pipe (5) is positioned at the left upper part of the main body (1), penetrates through the main body (1) and is used for discharging and feeding materials; the discharge pipe (6) is positioned in the middle of the bottom of the main body (1) and used for discharging materials after reaction; the exhaust pipe (7) is positioned at the upper right part of the top of the main body (1), penetrates through the main body (1) and is used for exhausting gas generated in the reaction process;
the driving unit (3) comprises a motor (31), a first air cylinder (32), a second air cylinder (33), a base (34), a rotating shaft (35), a turntable (36), a supporting shaft (37) and a connecting shaft (38); the motor (31) is fixed on the outer wall of the top of the main body (1) and connected with the stirring unit (2) on the left side, and the rotation mode of the motor (31) is that the motor rotates in a reciprocating mode with the rotation angle of 180 degrees; the two bases (34) are fixed on the outer wall of the top of the main body (1) and used for supporting a first air cylinder (32) and a second air cylinder (33); the rotating shaft (35) is fixed on the outer wall of the top of the main body (1) and is positioned between the two bases (34); the rotary disc (36) is rotatably connected with the rotating shaft (35) and can rotate freely; the first cylinder (32) is fixed on the left base (34), a telescopic shaft at the other end of the cylinder is movably connected to the eccentric position of the turntable (36), and the first cylinder (32) is supplied with gas by the left stirring unit (2) to move to push the turntable (36) to rotate; the second cylinder (33) is fixed on the right base (34) and is arranged opposite to the first cylinder (32), a telescopic shaft of the second cylinder (33) is movably connected to the eccentric position of the turntable (36), the turntable (36) rotates to drive the second cylinder (33) to stretch, and gas is generated to drive the scraping unit (4); the supporting shaft (37) is positioned above the circle center of the turntable (36) and is fixedly connected with the turntable (36); one end of the connecting shaft (38) is movably connected with the top of the supporting shaft (37), the other end of the connecting shaft is fixedly connected with the stirring unit (2) on the right side, and the turntable (36) rotates back and forth to drive the supporting shaft (37) to rotate back and forth, so that the connecting shaft (38) is driven to swing back and forth, and the stirring unit (2) on the right side is driven to do reciprocating rotation motion to stir.
2. The process for preparing polyester paint according to claim 1, wherein: the stirring unit (2) comprises a rotating shaft (21) and a stirring mechanism (22); the two rotating shafts (21) are symmetrically arranged at the left side and the right side of the stirring cavity (13), the left rotating shaft (21) penetrates through the main body (1) to be connected with the motor (31), and the right rotating shaft (21) penetrates through the main body (1) to be fixedly connected with the connecting shaft (38); a plurality of stirring mechanisms (22) are arranged on the two rotating shafts (21), and the stirring mechanisms (22) of the two rotating shafts are arranged in a staggered mode.
3. The process for preparing polyester paint according to claim 2, wherein: the stirring mechanism (22) comprises a third air cylinder (221), a stirring blade (222), a first spring (223) and a first air bag (224); the third cylinder (221) is fixed on the rotating shaft (21), and a telescopic shaft of the third cylinder (221) is fixedly connected with the stirring blade (222); the three stirring blades (222) are vertically arranged, adjacent stirring blades (222) are connected through two springs (223), a first air bag (224) is fixed between adjacent stirring blades (222), and the rotating shaft (21) rotates back and forth to enable the first air bag (224) to be compressed; when motor (31) drive left side rotation axis (21) reciprocal rotation round trip, rabbling mechanism (22) on left side rotation axis (21) stir leaf (222) extrusion gasbag (224) under inertial effect, it is flexible to produce gaseous being used for driving cylinder (32), thereby it is rotatory to drive carousel (36), carousel (36) rotation drive back shaft (37) swing round trip, drive connecting axle (38) and right side rotation axis (21) reciprocal rotation, and No. two cylinder (33) compression produce gaseous drive and scrape material unit (4), right side rotation axis (21) rotation drive right side rabbling mechanism (22) reciprocal rotation, thereby produce compressed gas, let in stirring chamber (13) through main part (1) bottom, be used for accelerateing the stirring, the effect of stable inside atmospheric pressure.
4. The process for preparing polyester paint according to claim 3, wherein: the scraping unit (4) comprises a magnetic ring (41), a scraping block (42), a second spring (43) and a second air bag (44); the magnetic ring (41) is positioned in the moving cavity (12), when the second cylinder (33) stretches, generated gas is introduced into the moving cavity (12), and the magnetic ring (41) moves up and down under the action of air suction and exhaust of the second cylinder (33) like a piston; the two second air bags (44) are arranged in a rectangular groove in the inner wall of the main body (1) and can move in the rectangular groove, and the two second air bags (44) are respectively fixedly connected with the two scraping blocks (42); two scrape piece (42) and be the semicircle ring shape, its external diameter is unanimous with main part (1) inner wall minimum internal diameter, two scrape and connect through No. two spring (43) between piece (42), scrape piece (42) and main part (1) inner wall contact, can follow main part (1) inner wall wave face and remove, scrape piece (42) and No. two gasbag (44) fixed connection, scrape piece (42) and remove along main part (1) inner wall wave face, drive No. two gasbag (44) and reciprocate, simultaneously because main part (1) inner wall is the wave face, scrape piece (42) and gasbag fixed connection, the gasbag constantly receives extrusion and tensile in the motion process, produce the flexible function of gaseous drive No. three cylinder (221), make rabbling mechanism (22) when the stirring of reciprocating swing, also carry out concertina movement, can improve stirring efficiency, impel the stirring.
5. The process for preparing polyester paint according to claim 4, wherein: the size of the magnetic ring (41) is consistent with that of the moving cavity (12), and the magnetic ring (41) is magnetic; the scraping block (42) is made of metal materials and is tightly attached to the inner wall of the main body (1) under the action of magnetic force of the magnetic ring (41), and meanwhile, the magnetic ring (41) moves to drive the scraping block (42) to move under the action of the magnetic force.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811020481.7A CN109294320B (en) | 2018-09-03 | 2018-09-03 | Processing technology of polyester coating |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811020481.7A CN109294320B (en) | 2018-09-03 | 2018-09-03 | Processing technology of polyester coating |
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| CN109294320B true CN109294320B (en) | 2021-10-12 |
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| DD249641B5 (en) * | 1986-06-05 | 1994-05-05 | Leuna Werke Ag | Reactor for suspension processes |
| CN205461939U (en) * | 2016-03-25 | 2016-08-17 | 富阳市福士得食品有限公司 | Food packaging machinery's liquid mixing device |
| CN106693793A (en) * | 2017-02-23 | 2017-05-24 | 深圳市玖创科技有限公司 | Homogenating device for stirring battery coating material |
| CN206357507U (en) * | 2016-12-29 | 2017-07-28 | 东莞市柏力有机硅科技有限公司 | A kind of silica gel production powder feeding device |
| CN207076458U (en) * | 2017-08-14 | 2018-03-09 | 黄山市徽州康佳化工有限责任公司 | A kind of polyester synthesis reactor |
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|---|---|---|---|---|
| DD249641B5 (en) * | 1986-06-05 | 1994-05-05 | Leuna Werke Ag | Reactor for suspension processes |
| CN205461939U (en) * | 2016-03-25 | 2016-08-17 | 富阳市福士得食品有限公司 | Food packaging machinery's liquid mixing device |
| CN206357507U (en) * | 2016-12-29 | 2017-07-28 | 东莞市柏力有机硅科技有限公司 | A kind of silica gel production powder feeding device |
| CN106693793A (en) * | 2017-02-23 | 2017-05-24 | 深圳市玖创科技有限公司 | Homogenating device for stirring battery coating material |
| CN207076458U (en) * | 2017-08-14 | 2018-03-09 | 黄山市徽州康佳化工有限责任公司 | A kind of polyester synthesis reactor |
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