CN210999903U

CN210999903U - Double-screw extruder for production of thermosetting powder coating

Info

Publication number: CN210999903U
Application number: CN201921991711.4U
Authority: CN
Inventors: 周光勇
Original assignee: Zunyi Chunhua New Material Science & Technology Co ltd
Current assignee: Zunyi Chunhua New Material Science & Technology Co ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-07-14
Anticipated expiration: 2029-11-18

Abstract

The utility model relates to the technical field of mechanical equipment, and a double screw extruder is used in thermosetting powder coating production is disclosed, which comprises supporting legs, the top surface fixedly connected with workstation of landing leg, the top surface fixedly connected with extrusion case of workstation, the left side fixedly connected with mould of extrusion case, the right side fixedly connected with machine case of extrusion case, machine incasement chamber's bottom surface fixedly connected with frame, the top surface fixedly connected with second motor of frame. The utility model discloses a mode of carrying out the regrinding to the raw materials that gets into the extruder utilizes and rolls a section of thick bamboo and rolls the mutual friction between the piece, will get into the raw materials of extruder and carry out the regrinding, realizes that the grinding of raw materials is abundant, has avoided getting into the not abundant that extruder raw materials ground, causes the material of powder when extruding can't reach the expectation requirement, leads to the unable assurance of processingquality, and the cost has been practiced thrift in the extravagant problem of cost when having guaranteed processingquality.

Description

Double-screw extruder for production of thermosetting powder coating

Technical Field

The utility model relates to the technical field of mechanical equipment, specifically be a production of thermosetting powder coating is with double screw extruder.

Background

The powder coating is a solid powdery synthetic resin coating which is composed of solid resin, pigment, filler, auxiliary agent and the like, is different from common solvent-based coatings and water-based coatings, the dispersion medium of the powder coating is air, and has the characteristics of no solvent pollution and low energy consumption.

The existing extruder needs to grind raw materials before extrusion, and due to insufficient grinding of the raw materials entering the extruder, the materials of the powder during extrusion cannot meet expected requirements, so that the processing quality cannot be guaranteed, and the cost is wasted.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a production of thermosetting powder coating is with double screw extruder possesses the advantage of guaranteeing processingquality, saving cost, work efficiency height, save time, has solved the problem of proposing among the above-mentioned background art.

The utility model provides a following technical scheme: a double screw extruder is used in thermosetting powder coating production, includes the landing leg, the top surface fixedly connected with workstation of landing leg, the top surface fixedly connected with extrusion box of workstation, the left side fixedly connected with mould of extrusion box, the right side fixedly connected with machine case of extrusion box, the bottom surface fixedly connected with frame of machine case inner chamber, the top surface fixedly connected with second motor of frame, the fixed master gear that has cup jointed on the output shaft of second motor, master gear and pinion intermeshing, the master gear all has cup jointed the pivot with the inside of pinion, the other end of pivot extends to the inner chamber of extrusion box and cup joints the helical blade, the right side fixedly connected with feed inlet of extrusion box top surface, the right side fixedly connected with of feed inlet inner chamber grinds the piece, the left top fixedly connected with of feed inlet inner chamber passes the flitch, the left side fixedly connected with heating cabinet of feed inlet, the first motor of bottom fixedly connected with of heating cabinet inner chamber, fixed cover has connect the flabellum on the output shaft of first motor, the output fixedly connected with joint sealing of first motor, the side fixedly connected with pipe of joint sealing, the other end of pipe extends to in the inner wall of feed inlet, fixedly connected with transfer line on the output shaft of first motor, the other end of transfer line extends to the inner chamber and the fixed cover of feed inlet and has connect and roll a section of thick bamboo, the top surface fixedly connected with heater of heating cabinet inner chamber, the output fixed connection of heater is at the top surface of joint sealing.

And carefully selecting, wherein the width value of the fan blade is smaller than that of the inner cavity of the sealing box, and the fan blade is movably sleeved with the inner cavity of the sealing box.

And carefully selecting, wherein the joint of the transmission rod and the sealing box is sealed by rubber, and the transmission rod is movably sleeved with the side surface of the sealing box.

Carefully selecting, the part of the guide pipe, which is positioned in the inner wall of the feeding hole, is provided with vent holes, and the vent holes are uniformly distributed on the surface of the guide pipe.

And in the selection process, the material conveying plate is obliquely arranged, and the other end of the material conveying plate extends to the upper part of the top end of the grinding block.

And carefully selecting, wherein the surface of the rolling cylinder is tightly attached to the surface of the rolling block, and the rolling cylinder is in sliding connection with the rolling block.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model discloses a mode of carrying out the regrinding to the raw materials that gets into the extruder utilizes and rolls a section of thick bamboo and rolls the mutual friction between the piece, will get into the raw materials of extruder and carry out the regrinding, realizes that the grinding of raw materials is abundant, has avoided getting into the not abundant that extruder raw materials ground, causes the material of powder when extruding can't reach the expectation requirement, leads to the unable assurance of processingquality, and the cost has been practiced thrift in the extravagant problem of cost when having guaranteed processingquality.

2. The utility model discloses a mode of preheating is carried out the raw materials that gets into the extruder, utilizes the ventilation hole on the pipe to spread into the inner wall of feed inlet into with the hot-blast of production, to the inner wall heating of feed inlet, realizes preheating the inside raw materials of feed inlet, and it is longer to have avoided equipment heating time, causes the time increase of raw materials processing, leads to equipment work efficiency low, and the time has been practiced thrift in the extravagant problem of time when having improved equipment work efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the feed inlet of the structure of the present invention;

fig. 3 is a top view of the structure case of the present invention.

In the figure: 1. a support leg; 2. a work table; 3. extruding the box; 4. a mold; 5. helical leaves; 6. a rotating shaft; 7. a heating box; 8. a first motor; 9. a fan blade; 10. sealing the box; 11. a heater; 12. a transmission rod; 13. a conduit; 14. a feed inlet; 15. a main gear; 16. a chassis; 17. a second motor; 18. a machine base; 19. grinding and briquetting; 20. a material conveying plate; 21. rolling the cylinder; 22. a pinion gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a twin-screw extruder for producing thermosetting powder coating comprises a supporting leg 1, a worktable 2 is fixedly connected to the top surface of the supporting leg 1, an extrusion box 3 is fixedly connected to the top surface of the worktable 2, a mold 4 is fixedly connected to the left side of the extrusion box 3, a case 16 is fixedly connected to the right side of the extrusion box 3, a base 18 is fixedly connected to the bottom surface of the inner cavity of the case 16, a second motor 17 is fixedly connected to the top surface of the base 18, a main gear 15 is fixedly sleeved on an output shaft of the second motor 17, the main gear 15 is mutually meshed with a secondary gear 22, rotating shafts 6 are fixedly sleeved inside the main gear 15 and the secondary gear 22, the other ends of the rotating shafts 6 extend to the inner cavity of the extrusion box 3 and are fixedly sleeved with spiral blades 5, the number of the spiral blades 5 is two, the spiral blades are respectively fixedly sleeved with the two rotating, the right side of the inner cavity of the feeding port 14 is fixedly connected with a grinding block 19, the top end of the left side of the inner cavity of the feeding port 14 is fixedly connected with a material transmission plate 20, the material transmission plate 20 is obliquely arranged, the other end of the material transmission plate 20 extends to the upper side of the top end of the grinding block 19, the material transmission plate 20 can receive raw materials entering the feeding port 14 and transmit the raw materials to the surface of the grinding block 19, so that the raw materials are secondarily ground, the oblique arrangement is arranged, the raw materials on the surface of the material transmission plate 20 can move conveniently, the stacking of the raw materials is reduced, the practicability of the structure is embodied, the left side of the feeding port 14 is fixedly connected with a heating box 7, the bottom of the inner cavity of the heating box 7 is fixedly connected with a first motor 8, a fan blade 9 is fixedly sleeved on an output shaft of the first motor 8, the width value of the fan blade, the generated cold air is collected by the sealing box 10, the heater 11 is convenient to heat the cold air, the problem that the fan blades 9 are too wide to cause the structure to be blocked is solved, the rationality of the structure is reflected, the output end of the first motor 8 is fixedly connected with the sealing box 10, the side surface of the sealing box 10 is fixedly connected with the guide pipe 13, the part of the guide pipe 13, which is positioned in the inner wall of the feed port 14, is provided with the ventilation holes, the ventilation holes are uniformly distributed on the surface of the guide pipe 13, the generated hot air is introduced into the inner wall of the feed port 14 by utilizing the ventilation holes on the guide pipe 13 to heat the inner wall of the feed port 14, the raw material in the feed port 14 is preheated, the problems of low working efficiency and time waste of the equipment caused by the increase of the time for processing the raw material due to long heating time of the equipment are solved, the output shaft of the first motor 8 is fixedly connected with a transmission rod 12, the connection part of the transmission rod 12 and the sealing box 10 is sealed by rubber, the transmission rod 12 is movably sleeved with the side surface of the sealing box 10, so that the transmission rod 12 can rotate on the side surface of the sealing box 10, a rolling cylinder 21 is conveniently driven to rotate, meanwhile, the rubber sealing is adopted, the problem of energy waste caused by the emission of hot air in the sealing box 10 is reduced, the other end of the transmission rod 12 extends to the inner cavity of the feeding hole 14 and is fixedly sleeved with the rolling cylinder 21, the rolling cylinder 21 is tightly attached to the surface of a rolling block 19, the rolling cylinder 21 is in sliding connection with the rolling block 19, the raw material entering the extruder is ground again by utilizing the mutual friction effect between the rolling cylinder 21 and the rolling block 19, the full grinding of the raw material is realized, the insufficient grinding of the raw material entering the extruder is avoided, and the material of powder during extrusion cannot reach, the processing quality can not be guaranteed, the cost is wasted, the cost is saved while the processing quality is guaranteed, the heater 11 is fixedly connected to the top surface of the inner cavity of the heating box 7, and the output end of the heater 11 is fixedly connected to the top surface of the sealing box 10.

The working principle is as follows: when the device is used, firstly, the safety of the device is detected, the first motor 8 and the second motor 17 are started without problems, then raw materials are put in from the feeding hole 14, the raw materials are conveyed through the material conveying plate 20 after entering the feeding hole 14 and then enter the rolling block 19, meanwhile, the first motor 8 drives the transmission rod 12 and the fan blades 9 to rotate, the transmission rod 12 drives the rolling barrel 21 to rotate, the raw materials are ground again through the rolling barrel 21 and the rolling block 19, the fan blades 9 rotate raw air in the sealed box 10, the generated cold air is collected by the sealed box 10, the cold air in the sealed box 10 is heated by the heater 11 to generate hot air, the hot air is conveyed into the inner wall of the feeding hole 14 through the conduit 13 to preheat the raw materials in the feeding hole 14, then the preheated and ground raw materials enter the extrusion box 3, at the moment, the second motor 17 drives the main gear 15 and the rotating shaft 6 to rotate, the main gear 15 drives the auxiliary gear 22 to rotate through the meshing, the pinion 22 drives the other rotating shaft 6 to rotate, the two rotating shafts 6 drive the two spiral blades 5 to rotate in opposite directions, and the two spiral blades 5 rotate to stir and push the raw materials to the left side, and finally the raw materials are extruded in the die 4.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A double screw extruder is used in production of thermosetting powder coating, includes landing leg (1), its characterized in that: the top surface fixedly connected with workstation (2) of landing leg (1), the top surface fixedly connected with extrusion case (3) of workstation (2), the left side fixedly connected with mould (4) of extrusion case (3), the right side fixedly connected with machine case (16) of extrusion case (3), the bottom surface fixedly connected with frame (18) of machine case (16) inner chamber, the top surface fixedly connected with second motor (17) of frame (18), the fixed cover of being connected with on the output shaft of second motor (17) has master gear (15), master gear (15) and pinion (22) intermeshing, the inside of master gear (15) and pinion (22) all fixed cover has been connected with pivot (6), the other end of pivot (6) extends to the inner chamber and the fixed cover of extrusion case (3) and has been connected with spiral leaf (5), the right side fixedly connected with feed inlet (14) of extrusion case (3) top surface, the right side fixedly connected with of feed inlet (14) inner chamber grinds briquetting (19), the left top fixedly connected with of feed inlet (14) inner chamber passes flitch (20), the left side fixedly connected with heating cabinet (7) of feed inlet (14), the first motor (8) of bottom fixedly connected with of heating cabinet (7) inner chamber, fixed cover has been cup jointed flabellum (9) on the output shaft of first motor (8), the output end fixedly connected with joint box (10) of first motor (8), the side fixedly connected with pipe (13) of joint box (10), the other end of pipe (13) extends to in the inner wall of feed inlet (14), fixedly connected with transfer line (12) on the output shaft of first motor (8), the other end of transfer line (12) extends to the inner chamber and fixed cover of feed inlet (14) and has been cup jointed and has ground a section of thick bamboo (21), the top surface fixedly connected with heater (11) of heating cabinet (7) inner chamber, the output fixed connection of heater (11) is at the top surface of joint sealing (10).

2. The twin-screw extruder for thermosetting powder coating production as claimed in claim 1, wherein: the width value of flabellum (9) is less than the width value of joint sealing (10) inner chamber, flabellum (9) and the inner chamber activity of joint sealing (10) cup joint.

3. The twin-screw extruder for thermosetting powder coating production as claimed in claim 1, wherein: the joint of the transmission rod (12) and the seal box (10) is sealed by rubber, and the transmission rod (12) is movably sleeved with the side face of the seal box (10).

4. The twin-screw extruder for thermosetting powder coating production as claimed in claim 1, wherein: the part of the guide pipe (13) located in the inner wall of the feed port (14) is provided with vent holes, and the vent holes are uniformly distributed on the surface of the guide pipe (13).

5. The twin-screw extruder for thermosetting powder coating production as claimed in claim 1, wherein: the material conveying plate (20) is obliquely arranged, and the other end of the material conveying plate (20) extends to the upper part of the top end of the grinding block (19).

6. The twin-screw extruder for thermosetting powder coating production as claimed in claim 1, wherein: the surface of the rolling cylinder (21) is tightly attached to the surface of the rolling block (19), and the rolling cylinder (21) is connected with the rolling block (19) in a sliding mode.