CN111266031A - Mixing arrangement is used in processing of saturated polyester resin - Google Patents
Mixing arrangement is used in processing of saturated polyester resin Download PDFInfo
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- CN111266031A CN111266031A CN202010035465.6A CN202010035465A CN111266031A CN 111266031 A CN111266031 A CN 111266031A CN 202010035465 A CN202010035465 A CN 202010035465A CN 111266031 A CN111266031 A CN 111266031A
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- shell
- mixing cylinder
- mixing
- rotating shaft
- scraper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/19—Stirrers with two or more mixing elements mounted in sequence on the same axis
- B01F27/192—Stirrers with two or more mixing elements mounted in sequence on the same axis with dissimilar elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/10—Maintenance of mixers
- B01F35/12—Maintenance of mixers using mechanical means
- B01F35/123—Maintenance of mixers using mechanical means using scrapers for cleaning mixers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
- B01F35/71805—Feed mechanisms characterised by the means for feeding the components to the mixer using valves, gates, orifices or openings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F35/92—Heating or cooling systems for heating the outside of the receptacle, e.g. heated jackets or burners
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F2035/99—Heating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/30—Mixing paints or paint ingredients, e.g. pigments, dyes, colours, lacquers or enamel
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Accessories For Mixers (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
A mixing device for processing saturated polyester resin comprises a shell, an end cover, a driving device, a mixing cylinder, a scraper, a stirring rod and a rotating shaft; the bottom of the shell is provided with a support column; the mixing cylinder extends into the shell from the upper end opening of the shell and compresses the bottom of the shell; the end surface of the end cover is provided with a groove for pressing the mixing cylinder, the end cover is positioned on the upper end surface of the shell, and the end surface of the end cover facing the shell presses the upper end surface of the shell; the outer peripheral surface of the mixing cylinder, the inner wall of the shell and the end cover form a heating chamber for mounting a heater; the rotating shaft penetrates through the end cover and extends into the mixing cylinder, and the rotating shaft is rotatably connected with the end cover and is in transmission connection with the driving device; a plurality of groups of stirring plates are arranged on the outer peripheral surface of the rotating shaft positioned on the mixing drum; the end surfaces of the multiple groups of stirring plates are uniformly provided with shunting holes and connected with the multiple groups of scraping plates; the multiple groups of scrapers are attached to the inner wall of the mixing cylinder; the multiple groups of stirring rods are positioned below the multiple groups of stirring plates and are all arranged on the rotating shaft. The invention can uniformly mix the saturated polyester resin production raw materials quickly and efficiently.
Description
Technical Field
The invention relates to the technical field of saturated polyester resin processing, in particular to a mixing device for saturated polyester resin processing.
Background
The most common saturated polyester resin in the coating industry is a polyester resin containing a terminal hydroxyl functional group, and is cured into a film by crosslinking with resins such as isocyanate, amino resin and the like. Different raw materials make different contributions to the performance of the resin, and corresponding raw materials which can help the required performance of the resin are selected according to the performance requirement of the resin when the raw materials are selected, so that the raw materials are considered from the aspects of functionality, hardness, flexibility and the like; when saturated polyester resin is produced and processed, raw materials of the saturated polyester resin need to be uniformly mixed, but the efficiency of mixing and stirring the saturated polyester resin by the existing stirring equipment is low, the saturated polyester resin raw materials are easily adhered to the cylinder wall, so that the raw materials are wasted, and in addition, the existing mixing cylinder is inconvenient to disassemble so as to clean the interior of the mixing cylinder; therefore, the application provides a mixing device for processing saturated polyester resin.
Disclosure of Invention
Objects of the invention
In order to solve the technical problems in the background art, the invention provides a mixing device for processing saturated polyester resin, which can quickly and uniformly mix raw materials for producing the saturated polyester resin and can scrape the raw materials adhered to the side wall and the bottom surface of a mixing cylinder to improve the utilization rate of the raw materials; the mixing drum is convenient to disassemble, assemble and take down so as to clean the mixing drum.
(II) technical scheme
In order to solve the problems, the invention provides a mixing device for processing saturated polyester resin, which comprises a shell, an end cover, a driving device, a water inlet pipe, a discharge pipe, a mixing cylinder, a scraper, a stirring rod and a rotating shaft, wherein the end cover is arranged on the shell;
the bottom of the shell is provided with a plurality of support columns, and the center of the bottom surface of the shell is provided with a through hole;
the mixing cylinder extends into the shell from an upper end opening of the shell, the bottom surface of the mixing cylinder tightly presses the bottom of the shell, and the shortest distance from the upper end surface of the mixing cylinder to the ground is greater than that from the upper end surface of the shell to the ground; the discharge pipe is provided with a stop valve, and the pipe orifice of the discharge pipe penetrates through the through hole and is connected with the discharge hole on the bottom surface of the mixing cylinder;
the end cover is provided with a feeding hopper, the end surface of the end cover is provided with a groove, the end cover is positioned on the upper end surface of the shell, and the end surface of the end cover facing the shell tightly presses the upper end surface of the shell; wherein, the bottom surface of the groove compresses the upper end surface of the mixing cylinder; the peripheral surface of the mixing cylinder, the inner wall of the shell and the end cover form a sealed heating chamber; a plurality of groups of heaters are arranged in the heating bin;
the central axis of the groove is superposed with the central axis of the end cover, a shaft hole is arranged at the center of the groove, and a feed hole for communicating a feed hopper and a liquid inlet hole for connecting a water inlet pipe are arranged at the bottom surface of the groove; wherein, the water inlet pipe is provided with a flow control valve; a sealing bearing is arranged in the shaft hole; a sealing cover is arranged at the feed end of the charging hopper;
the rotating shaft penetrates through the shaft hole and extends into the mixing cylinder, the rotating shaft is connected with the inner ring of the sealing bearing, and the rotating shaft is in transmission connection with the driving device; a plurality of groups of stirring plates are arranged on the outer peripheral surface of the rotating shaft positioned on the mixing drum; the multiple groups of stirring plates are circumferentially distributed along the circumferential direction of the rotating shaft by taking the rotating shaft as a center, and the end surfaces of the multiple groups of stirring plates are uniformly provided with shunting holes; the multiple groups of scraping plates are distributed along the central axis direction of the rotating shaft, the multiple groups of scraping plates are respectively connected with the end surfaces of the multiple groups of stirring plates far away from the rotating shaft, and the end surfaces of the multiple groups of scraping plates far away from the stirring plates are attached to the inner wall of the mixing drum; wherein, the scrapers correspond to the stirring plates one by one;
the multiunit puddler is located the below of multiunit stirring board, and the multiunit puddler evenly sets up on the rotation axis.
Preferably, a host computer is included; wherein, a temperature sensor is arranged in the mixing cylinder;
the host is provided with a key module and a display, and a circuit board and a microprocessor arranged on the circuit board are arranged in the host; the microprocessor is respectively in communication connection with the temperature sensor, the key module and the display, and respectively controls and connects the driving device and the plurality of groups of heaters.
Preferably, the water conveyed in the water inlet pipe is hot water; the temperature of the hot water is 80-90 ℃.
Preferably, the inner wall of the shell in the heating bin and the inner end face of the end cover are both provided with heat insulation layers.
Preferably, a first elastic pad is included; wherein, the bottom surface of the shell is provided with a placing groove which is used for adapting to the bottom of the mixing cylinder; the bottom surface of the placing groove is a downward concave curved surface;
the first elastic cushion is laid on the bottom surface of the placing groove; the bottom surface of the mixing cylinder presses the first elastic cushion.
Preferably, a plurality of positioning columns are included; wherein, the bottom surface of the shell is provided with a plurality of blind holes;
the positioning columns are all arranged at the bottom of the mixing cylinder and are respectively inserted into the blind holes in a one-to-one matching mode to form a positioning structure; wherein, reference column and blind hole one-to-one correspond.
Preferably, the bottom surface of the mixing cylinder is in an inverted cone shape; each group of the scraping plates comprises a first scraping plate and a second scraping plate;
the central axis of the first scraper is vertical to the central axis of the rotating shaft, one end of the first scraper is connected with the stirring plate, and the other end of the first scraper is attached to the inner wall of the mixing cylinder;
the second scraper blade is connected first scraper blade, and the contained angle between second scraper blade and the first scraper blade equals the contained angle between mixing drum bottom surface and its axis, and the bottom surface of mixing drum is laminated to the terminal surface of second scraper blade orientation mixing drum bottom surface.
Preferably, the end surface of the scraper jointed with the inner wall of the mixing cylinder is provided with a pointed cone; the pointed cone part is attached to the inner wall of the mixing cylinder.
Preferably, the diameter of the flow dividing hole decreases gradually from one end opening to the other end opening along the central axis direction thereof.
Preferably, a plurality of first fastening pieces and a plurality of second fastening pieces are included; wherein, the upper end surface of the shell is provided with a first threaded blind hole; a plurality of flange plates are arranged on the outer peripheral surface of the mixing cylinder; a plurality of second threaded blind holes are formed in the plurality of flange plates; the end cover is provided with a plurality of first threaded holes and a plurality of second threaded holes;
the first fastening pieces respectively penetrate through the first threaded holes in a threaded mode and are screwed into the second threaded blind holes in a threaded mode; the first fastening piece, the first threaded hole and the second threaded blind hole correspond to each other one by one; a first elastic sealing gasket is arranged on the end surface of the end cover pressed with the mixing cylinder;
the second fastening pieces respectively penetrate through the second threaded holes in a threaded manner and are screwed into the first threaded blind holes in a threaded manner; the second fastening piece, the second threaded hole and the first threaded blind hole correspond to each other one by one; and a second elastic sealing gasket is arranged on the end surface of the end cover compressed with the shell.
The technical scheme of the invention has the following beneficial technical effects:
when the device is used, raw materials for producing saturated polyester resin are added into a mixing cylinder from a feeding hopper, and a flow control valve on a water inlet pipe is opened to inject hot water into the mixing cylinder; the driving device and the plurality of groups of heaters are electrified to operate, the driving device drives the rotating shaft to rotate, and the rotating shaft drives the plurality of groups of stirring plates and the triangular prism-shaped stirring rod to uniformly stir the raw materials in the mixing cylinder; the mixed liquid at the bottom of the mixing cylinder is sheared and stirred by a triangular prism-shaped stirring rod, the stirring rod is in a triangular prism shape, and the edge of the stirring rod is in contact with the mixed liquid to separate the mixed liquid so as to improve the mixing efficiency of the liquid; the stirring plate is provided with a shunting hole; the rotating stirring plate enables the mixed liquid to pass through the plurality of shunting holes, so that a liquid flow speed difference is formed in the mixing cylinder, and the liquid mixing efficiency is improved; the plurality of groups of scraping plates rotate along with the rotating shaft to scrape the raw materials adhered to the inner wall of the mixing cylinder, so that the utilization rate of the raw materials is greatly improved; the heating bin is heated by a plurality of groups of heaters, so that the mixing cylinder is in a high-temperature environment, and the raw materials in the mixing cylinder are heated, so that the raw material mixing efficiency is further improved; discharging the uniformly mixed raw materials from a discharge pipe;
the invention can quickly and uniformly mix the raw materials for producing the saturated polyester resin, and can scrape the raw materials adhered to the side wall and the bottom surface of the mixing cylinder to improve the utilization rate of the raw materials; the mixing drum is convenient to disassemble, assemble and take down so as to clean the mixing drum.
Drawings
FIG. 1 is a schematic structural diagram of a mixing device for processing saturated polyester resin according to the present invention.
FIG. 2 is a front view of a mixing apparatus for processing saturated polyester resin according to the present invention.
FIG. 3 is a schematic perspective view of the installation of the rotating shaft and the stirring plate in the mixing device for processing saturated polyester resin according to the present invention.
FIG. 4 is a schematic perspective view of a scraper in a mixing device for processing saturated polyester resin according to the present invention.
FIG. 5 is a schematic perspective view of an end cap of a mixing device for processing saturated polyester resin according to the present invention.
FIG. 6 is a schematic block diagram of a mixing apparatus for processing saturated polyester resin according to the present invention.
Reference numerals: 1. a housing; 2. a host; 3. an end cap; 4. a hopper; 5. a sealing cover; 6. a drive device; 7. a water inlet pipe; 8. a discharge pipe; 9. a check valve; 10. a support pillar; 11. a temperature sensor; 12. a mixing drum; 13. a heating chamber; 14. a heater; 15. a squeegee; 151. a first squeegee; 152. a second squeegee; 153. a tapered section; 16. a positioning column; 17. a discharge hole; 18. a stirring rod; 19. a stirring plate; 20. a shunt hole; 21. a rotating shaft; 22. a first threaded hole; 23. a groove; 24. a shaft hole; 25. a liquid inlet hole; 26. a feed port; 27. a second threaded hole; 28. a key module; 29. a microprocessor; 30. a display.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-6, the mixing device for processing saturated polyester resin provided by the invention comprises a shell 1, an end cover 3, a driving device 6, a water inlet pipe 7, a discharge pipe 8, a mixing cylinder 12, a scraper 15, a stirring rod 18 and a rotating shaft 21;
the bottom of the shell 1 is provided with a plurality of support columns 10, and the center of the bottom surface of the shell 1 is provided with a through hole;
the mixing cylinder 12 extends into the shell 1 from the upper end opening of the shell 1, the bottom surface of the mixing cylinder 12 tightly presses the bottom of the shell 1, the shortest distance from the upper end surface of the mixing cylinder 12 to the ground is greater than the shortest distance from the upper end surface of the shell 1 to the ground, and the upper end of the mixing cylinder 12 extends out of the shell 1;
a stop valve 9 is arranged on the discharge pipe 8, and the pipe orifice of the discharge pipe 8 passes through the through hole and is connected with a discharge hole 17 on the bottom surface of the mixing cylinder 12;
the end cover 3 is provided with the feeding hopper 4, the end surface of the end cover 3 is provided with a groove 23, the end cover 3 is positioned on the upper end surface of the shell 1, and the end surface of the end cover 3 facing the shell 1 tightly presses the upper end surface of the shell 1; wherein, the bottom surface of the groove 23 compresses the upper end surface of the mixing cylinder 12; the outer peripheral surface of the mixing cylinder 12, the inner wall of the shell 1 and the end cover 3 form a sealed heating chamber 13; a plurality of groups of heaters 14 are arranged in the heating bin 13;
the central axis of the groove 23 is coincident with the central axis of the end cover 3, a shaft hole 24 is arranged at the center of the groove 23, and a feed hole 26 for communicating the charging hopper 4 and a liquid inlet hole 25 for connecting the water inlet pipe 7 are arranged at the bottom surface of the groove 23; wherein, the water inlet pipe 7 is provided with a flow control valve; a sealing bearing is arranged in the shaft hole 24; a sealing cover 5 is arranged at the feeding end of the feeding hopper 4; the sealing cover 5 is in threaded connection with the charging hopper 4;
the rotating shaft 21 passes through the shaft hole 24 and extends into the mixing cylinder 12, the rotating shaft 21 is connected with the inner ring of the sealed bearing, and the rotating shaft 21 is in transmission connection with the driving device 6; the driving device 6 is arranged on the end cover 3; a plurality of groups of stirring plates 19 are arranged on the outer peripheral surface of the mixing drum 12 of the rotating shaft 21;
the multiple groups of stirring plates 19 are circumferentially distributed along the circumferential direction of the rotating shaft 21 by taking the rotating shaft 21 as the center, and the end surfaces of the multiple groups of stirring plates 19 are uniformly provided with shunting holes 20; further, three groups of stirring plates 19 are arranged;
the multiple groups of scraping plates 15 are distributed along the central axis direction of the rotating shaft 21, the multiple groups of scraping plates 15 are respectively connected with the end surfaces, far away from the rotating shaft 21, of the multiple groups of stirring plates 19, and the end surfaces, far away from the stirring plates 19, of the multiple groups of scraping plates 15 are attached to the inner wall of the mixing drum 12; wherein, the scrapers 15 correspond to the stirring plates 19 one by one;
the multiple groups of stirring rods 18 are positioned below the multiple groups of stirring plates 19, and the multiple groups of stirring rods 18 are uniformly arranged on the rotating shaft 21;
further, the stirring rod 18 is a triangular prism; any edge of the triangular prism-shaped stirring rod 18 is tangent to the rotation direction thereof.
When the device is used, raw materials for producing saturated polyester resin are added into the mixing cylinder 12 from the feeding hopper 4, and hot water is injected into the mixing cylinder 12 by opening the flow control valve on the water inlet pipe 7; the driving device 6 and the plurality of groups of heaters 14 are electrified to operate, the driving device 6 drives the rotating shaft 21 to rotate, and the rotating shaft 21 drives the plurality of groups of stirring plates 19 and the triangular prism-shaped stirring rods 18 to uniformly stir the raw materials in the mixing cylinder 12; the mixture at the bottom of the mixing cylinder 12 is sheared and stirred by a triangular prism-shaped stirring rod 18, the stirring rod 18 is in a triangular prism shape, and the edge of the stirring rod is in contact with the mixed liquid to separate the mixed liquid so as to improve the mixing efficiency of the liquid; the stirring plate 19 is provided with a shunting hole 20; the rotating stirring plate 19 allows the mixed liquid to pass through the plurality of branch holes 20, thereby forming a liquid flow speed difference in the mixing cylinder 12 to improve the liquid mixing efficiency; the multiple groups of scraping plates 15 rotate along with the rotating shaft 21 to scrape off the raw materials adhered to the inner wall of the mixing cylinder 12, so that the utilization rate of the raw materials is greatly improved; the heating bin 13 is heated by a plurality of groups of heaters 14, so that the mixing cylinder 12 is in a high-temperature environment, and the raw materials in the mixing cylinder 12 are heated, so that the raw material mixing efficiency is further improved; discharging the uniformly mixed raw materials from a discharge pipe 8.
In an alternative embodiment, a host 2 is included; wherein, a temperature sensor 11 is arranged in the mixing cylinder 12;
the host machine 2 is provided with a key module 28 and a display 30, and the host machine 2 is internally provided with a circuit board and a microprocessor 29 arranged on the circuit board; the microprocessor is respectively in communication connection with the temperature sensor 11, the key module 28 and the display 30, and respectively controls and is connected with the driving device 6 and the plurality of groups of heaters 14; the temperature sensor 11 through setting up detects the temperature in mixing drum 12 to from the audio-visual temperature of looking over on display 30, carry out intelligent monitoring to equipment through the microprocessor who sets up.
In an alternative embodiment, the water conveyed in the water inlet pipe 7 is hot water; the temperature of the hot water is 80-90 ℃; the mixing cylinder 12 is filled with hot water to make the initial stirring and mixing be carried out at high temperature, so as to improve the raw material stirring and mixing efficiency.
In an alternative embodiment, the inner wall of the housing 1 in the heating chamber 13 and the inner end surface of the end cap 3 are provided with heat insulation layers to improve the heating efficiency of the mixing cylinder 12.
In an alternative embodiment, a first resilient pad is included; wherein, the bottom surface of the shell 1 is provided with a placing groove which is used for adapting to the bottom of the mixing drum 12; the bottom surface of the placing groove is a downward concave curved surface;
the first elastic cushion is laid on the bottom surface of the placing groove; the bottom surface of the mixing drum 12 presses the first elastic pad.
In an alternative embodiment, a plurality of locating posts 16 are included; wherein, the bottom surface of the shell 1 is provided with a plurality of blind holes;
the positioning columns 16 are all arranged at the bottom of the mixing cylinder 12, and the positioning columns 16 are respectively inserted into the blind holes in a one-to-one matching mode to form a positioning structure; wherein, the positioning columns 16 correspond to the blind holes one by one; the locating column 16 is arranged to conveniently and quickly install the mixing drum 12 in the shell 1, and can improve the stability of the mixing drum 12.
In an alternative embodiment, the bottom surface of the mixing drum 12 is inverted conical; wherein each set of scrapers 15 comprises a first scraper 151 and a second scraper 152;
the central axis of the first scraper 151 is perpendicular to the central axis of the rotating shaft 21, one end of the first scraper 151 is connected with the stirring plate 19, and the other end of the first scraper 151 is attached to the inner wall of the mixing drum 12;
the second scraper 152 is connected with the first scraper 151, the included angle between the second scraper 152 and the first scraper 151 is equal to the included angle between the bottom surface of the mixing cylinder 12 and the central axis thereof, and the end surface of the second scraper 152 facing the bottom surface of the mixing cylinder 12 is attached to the bottom surface of the mixing cylinder 12; the raw material adhered to the inner wall and the bottom surface of the mixing cylinder 12 can be scraped by the above arrangement.
In an alternative embodiment, the end surface of the scraper 15, which is attached to the inner wall of the mixing cylinder 12, is provided with a pointed cone 153; the tapered portion 153 abuts the inner wall of the mixing barrel 12.
In an alternative embodiment, the diameter of the diverter hole 20 decreases along its central axis from one end aperture to the other.
In an alternative embodiment, a plurality of first fasteners and a plurality of second fasteners are included; wherein, the upper end surface of the shell 1 is provided with a first threaded blind hole; a plurality of flange plates are provided on the outer peripheral surface of the mixing cylinder 12; a plurality of second threaded blind holes are formed in the plurality of flange plates; a plurality of first threaded holes 22 and a plurality of second threaded holes 27 are formed in the end cover 3;
the first fastening pieces respectively penetrate through the first threaded holes 22 in a threaded manner and are screwed into the second threaded blind holes in a threaded manner; wherein, the first fastening piece, the first threaded hole 22 and the second threaded blind hole are in one-to-one correspondence; a first elastic sealing gasket is arranged on the end surface of the end cover 3 tightly pressed with the mixing cylinder 12;
the second fastening pieces respectively penetrate through the second threaded holes 27 in a threaded mode and are screwed into the first threaded blind holes in a threaded mode; wherein, the second fastening piece, the second threaded hole 27 and the first threaded blind hole are in one-to-one correspondence; a second elastic sealing gasket is arranged on the end surface of the end cover 3 tightly pressed with the shell 1; the end cover 3 is convenient to detach through the arranged first fastening piece and the second fastening piece, so that the mixing drum 12 is convenient to take out from the shell 1 to clean the interior of the mixing drum.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. A mixing device for processing saturated polyester resin is characterized by comprising a shell (1), an end cover (3), a driving device (6), a water inlet pipe (7), a discharge pipe (8), a mixing cylinder (12), a scraper (15), a stirring rod (18) and a rotating shaft (21);
the bottom of the shell (1) is provided with a plurality of supporting columns (10), and the center of the bottom surface of the shell (1) is provided with a through hole;
the mixing cylinder (12) extends into the shell (1) from an upper end opening of the shell (1), the bottom surface of the mixing cylinder (12) compresses the bottom of the shell (1), and the shortest distance from the upper end surface of the mixing cylinder (12) to the ground is greater than that from the upper end surface of the shell (1) to the ground; a stop valve (9) is arranged on the discharge pipe (8), and the pipe orifice of the discharge pipe (8) passes through the through hole and is connected with a discharge hole (17) on the bottom surface of the mixing cylinder (12);
the end cover (3) is provided with a feeding hopper (4), the end surface of the end cover (3) is provided with a groove (23), the end cover (3) is positioned on the upper end surface of the shell (1), and the end surface of the end cover (3) facing the shell (1) tightly presses the upper end surface of the shell (1); wherein, the bottom surface of the groove (23) compresses the upper end surface of the mixing cylinder (12); the outer peripheral surface of the mixing cylinder (12), the inner wall of the shell (1) and the end cover (3) form a sealed heating bin (13); a plurality of groups of heaters (14) are arranged in the heating bin (13);
the central axis of the groove (23) is coincident with the central axis of the end cover (3), a shaft hole (24) is formed in the center of the groove (23), and a feeding hole (26) for communicating the feeding hopper (4) and a liquid inlet hole (25) for connecting the water inlet pipe (7) are formed in the bottom surface of the groove (23); wherein, the water inlet pipe (7) is provided with a flow control valve; a sealing bearing is arranged in the shaft hole (24); a sealing cover (5) is arranged at the feeding end of the feeding hopper (4);
the rotating shaft (21) penetrates through the shaft hole (24) and extends into the mixing cylinder (12), the rotating shaft (21) is connected with an inner ring of the sealed bearing, and the rotating shaft (21) is in transmission connection with the driving device (6); a plurality of groups of stirring plates (19) are arranged on the outer peripheral surface of the mixing drum (12) of the rotating shaft (21); the multiple groups of stirring plates (19) are circumferentially distributed along the circumferential direction of the rotating shaft (21) by taking the rotating shaft (21) as the center, and the end surfaces of the multiple groups of stirring plates (19) are uniformly provided with shunting holes (20); the multiple groups of scraping plates (15) are distributed along the central axis direction of the rotating shaft (21), the multiple groups of scraping plates (15) are respectively connected with the end faces, far away from the rotating shaft (21), of the multiple groups of stirring plates (19), and the end faces, far away from the stirring plates (19), of the multiple groups of scraping plates (15) are attached to the inner wall of the mixing drum (12); wherein the scrapers (15) correspond to the stirring plates (19) one by one; the multiple groups of stirring rods (18) are positioned below the multiple groups of stirring plates (19), and the multiple groups of stirring rods (18) are uniformly arranged on the rotating shaft (21).
2. The mixing device for saturated polyester resin processing according to claim 1, comprising a main machine (2); wherein, a temperature sensor (11) is arranged in the mixing cylinder (12);
the host (2) is provided with a key module (28) and a display (30), and the host (2) is internally provided with a circuit board and a microprocessor (29) arranged on the circuit board; the microprocessor is respectively in communication connection with the temperature sensor (11), the key module (28) and the display (30), and the microprocessor is respectively in control connection with the driving device (6) and the plurality of groups of heaters (14).
3. The mixing device for saturated polyester resin processing according to claim 1, wherein the water fed into the water inlet pipe (7) is hot water; the temperature of the hot water is 80-90 ℃.
4. The mixing device for saturated polyester resin processing according to claim 1, wherein the inner wall of the housing (1) in the heating chamber (13) and the inner end surface of the end cap (3) are provided with heat insulating layers.
5. The mixing device for saturated polyester resin processing according to claim 1, comprising a first elastic pad; wherein, the bottom surface of the shell (1) is provided with a placing groove which is used for being matched with the bottom of the mixing cylinder (12); the bottom surface of the placing groove is a downward concave curved surface;
the first elastic cushion is laid on the bottom surface of the placing groove; the bottom surface of the mixing cylinder (12) presses the first elastic cushion.
6. The mixing device for processing saturated polyester resin as claimed in claim 1, comprising a plurality of positioning posts (16); wherein the bottom surface of the shell (1) is provided with a plurality of blind holes; the positioning columns (16) are all arranged at the bottom of the mixing cylinder (12), and the positioning columns (16) are respectively inserted into the blind holes in a one-to-one matching mode to form a positioning structure; wherein, the positioning columns (16) correspond to the blind holes one by one.
7. The mixing device for processing saturated polyester resin as claimed in claim 1, wherein the bottom surface of the mixing cylinder (12) is in the shape of an inverted cone; wherein each group of scrapers (15) comprises a first scraper (151) and a second scraper (152); the central axis of the first scraper (151) is vertical to the central axis of the rotating shaft (21), one end of the first scraper (151) is connected with the stirring plate (19), and the other end of the first scraper (151) is attached to the inner wall of the mixing drum (12); the second scraper (152) is connected with the first scraper (151), the included angle between the second scraper (152) and the first scraper (151) is equal to the included angle between the bottom surface of the mixing cylinder (12) and the central axis of the mixing cylinder, and the end surface of the second scraper (152) facing the bottom surface of the mixing cylinder (12) is attached to the bottom surface of the mixing cylinder (12).
8. The mixing device for saturated polyester resin processing according to claim 1, wherein the end face of the scraper (15) attached to the inner wall of the mixing cylinder (12) is provided with a tapered part (153); the tapered part (153) is attached to the inner wall of the mixing cylinder (12).
9. The mixing device for saturated polyester resin processing according to claim 1, wherein the diameter of the branch flow hole (20) is gradually reduced from one end opening to the other end opening along the central axis direction thereof.
10. The mixing device for saturated polyester resin processing according to claim 1, comprising a plurality of first fastening members and a plurality of second fastening members; wherein, the upper end surface of the shell (1) is provided with a first threaded blind hole; a plurality of flange plates are arranged on the outer peripheral surface of the mixing cylinder (12); a plurality of second threaded blind holes are formed in the plurality of flange plates; a plurality of first threaded holes (22) and a plurality of second threaded holes (27) are formed in the end cover (3);
the first fastening pieces respectively penetrate through the first threaded holes (22) in a threaded mode and are screwed into the second threaded blind holes in a threaded mode; the first fastening piece, the first threaded hole (22) and the second threaded blind hole correspond to each other one by one; a first elastic sealing gasket is arranged on the end surface of the end cover (3) tightly pressed with the mixing cylinder (12);
the second fastening pieces respectively penetrate through the second threaded holes (27) in a threaded mode and are screwed into the first threaded blind holes in a threaded mode; the second fastening piece, the second threaded hole (27) and the first threaded blind hole are in one-to-one correspondence; and a second elastic sealing gasket is arranged on the end surface of the end cover (3) tightly pressed with the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010035465.6A CN111266031A (en) | 2020-01-14 | 2020-01-14 | Mixing arrangement is used in processing of saturated polyester resin |
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| CN202010035465.6A CN111266031A (en) | 2020-01-14 | 2020-01-14 | Mixing arrangement is used in processing of saturated polyester resin |
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| CN111266031A true CN111266031A (en) | 2020-06-12 |
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Cited By (1)
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|---|---|---|---|---|
| CN114984788A (en) * | 2021-03-01 | 2022-09-02 | 中国石油化工股份有限公司 | Stirring device and viscosity reducing agent effect evaluation method |
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Application publication date: 20200612 |