CN220262125U - Double-screw extruder for thermosetting powder coating production - Google Patents
Double-screw extruder for thermosetting powder coating production Download PDFInfo
- Publication number
- CN220262125U CN220262125U CN202321192082.5U CN202321192082U CN220262125U CN 220262125 U CN220262125 U CN 220262125U CN 202321192082 U CN202321192082 U CN 202321192082U CN 220262125 U CN220262125 U CN 220262125U
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- screw extruder
- thermosetting powder
- fixed
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- wall
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- 229920001187 thermosetting polymer Polymers 0.000 title claims abstract description 37
- 239000000843 powder Substances 0.000 title claims abstract description 36
- 238000000576 coating method Methods 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000011248 coating agent Substances 0.000 title abstract description 13
- 238000003756 stirring Methods 0.000 claims abstract description 29
- 230000000087 stabilizing effect Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims 3
- 238000010030 laminating Methods 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model discloses a double-screw extruder for producing thermosetting powder coating, which comprises a double-screw extruder body; the driving gear is fixed at the top of the stirring shaft; the spring telescopic link, spring telescopic link top is connected fixedly with movable frame bottom surface, spring telescopic link bottom mounting is in mounting bracket lateral surface middle part, connecting plate bottom horizontal part runs through stable window, stable window is seted up in the mounting bracket bottom, connecting plate bottom end is connected fixedly with end ring outer wall one side, end ring inner wall is fixed with bellows outer wall connection. This twin-screw extruder is used in thermosetting powder coating production adopts novel structural design, carries out synchronous drive to rotatory stirring mechanism and perpendicular shake mechanism through same motor, when stirring the thermosetting powder in the loading hopper, the bellows of drive bottom carries out perpendicular shake, further promotes the smooth and easy whereabouts of thermosetting powder, guarantees that the continuous whereabouts of thermosetting powder adds.
Description
Technical Field
The utility model relates to the technical field of thermosetting powder coating production, in particular to a double-screw extruder for thermosetting powder coating production.
Background
The thermosetting powder coating takes thermosetting resin as a film forming substance, and a curing agent which performs a crosslinking reaction is added to form an insoluble and infusible hard coating, and the resin adopted by the thermosetting powder coating is a prepolymer with lower polymerization degree, has lower molecular weight, better leveling property and better decoration property, and can form netlike crosslinked macromolecules after the prepolymer with lower molecular weight is cured, so that the coating has better corrosion resistance and mechanical property.
The existing double-screw extruder for producing thermosetting powder coating adopts a simple funnel to add thermosetting powder, manual stirring of the thermosetting powder is needed, some double-screw extruders adopt a motor-driven stirring mechanism to stir the thermosetting powder to promote the thermosetting powder to fall, but because thermosetting powder particles are finer, the manual stirring and single rotary stirring effects are limited, and continuous and smooth falling of the thermosetting powder cannot be ensured. It is therefore desirable to design a twin screw extruder for thermosetting powder coating production in response to the above-mentioned problems.
Disclosure of Invention
The utility model aims to provide a double-screw extruder for producing thermosetting powder coating, which solves at least one technical problem in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a twin screw extruder for the production of thermosetting powder coatings comprising:
the double-screw extruder comprises a double-screw extruder body, wherein a mounting frame is fixed on one side of the top end of the double-screw extruder body, a charging hopper is fixed on one side of the top of the mounting frame, a corrugated pipe is fixed at the bottom end of the charging hopper, the bottom end of the corrugated pipe is fixedly connected with a feeding pipe orifice at the top of the double-screw extruder body, a motor is fixed at the top of the mounting frame, and a stirring shaft is installed at the bottom end of the motor;
the driving gear is fixed at the top of the stirring shaft, the driving gear is in meshed connection with the driven gear, the driven gear is fixedly arranged at one end of the horizontal shaft, the horizontal shaft is arranged at the top of the mounting frame in a penetrating manner through the bearing seat, the other end of the horizontal shaft is fixedly provided with the eccentric wheel, and the outer side of the eccentric wheel is attached to the inner wall of the movable frame;
the spring telescopic link, spring telescopic link top is connected fixedly with the movable frame bottom surface, spring telescopic link bottom mounting is in mounting bracket lateral surface middle part, movable frame bottom surface middle part is connected fixedly with the connecting plate top, connecting plate bottom horizontal part runs through stable window, stable window is seted up in the mounting bracket bottom, connecting plate bottom end is connected fixedly with end ring outer wall one side, end ring inner wall is fixed with bellows outer wall connection.
Preferably, the driving gear and the driven gear are bevel gears, and the diameter of the driving gear is larger than that of the driven gear.
Preferably, the center of the eccentric wheel and the center of the movable frame are positioned on the same vertical plane, and the diameter of the eccentric wheel is equal to the width of the inner side of the movable frame.
Preferably, the spring telescopic rods are symmetrically distributed about the center of the connecting plate, and the connecting plate is L-shaped in front view.
Preferably, the connecting plate is in sliding connection with the stabilizing window, and vertical surfaces on two sides of the connecting plate are tightly attached to the vertical inner wall of the stabilizing window.
Preferably, the center of the bottom ring and the horizontal center of the corrugated pipe are positioned on the same horizontal plane, and the center of the inner wall of the bottom ring is fixedly connected with the center of the outer wall of the corrugated pipe.
Compared with the prior art, the utility model has the beneficial effects that:
the novel structural design is adopted, the rotary stirring mechanism and the vertical shaking mechanism are synchronously driven by the same motor, and the corrugated pipe at the bottom is driven to vertically shake while stirring the thermosetting powder in the charging hopper, so that the thermosetting powder is further promoted to smoothly fall down, and continuous falling addition of the thermosetting powder is ensured;
1. according to the utility model, the stirring shaft is driven to stably rotate by the motor, thermosetting powder in the hopper is stirred by the stirring fan blades arranged at the bottom of the stirring shaft, and the driven gear is driven to stably rotate by the driving gear so as to drive the horizontal shaft and the eccentric wheel to vertically push the movable frame;
2. according to the utility model, the spring telescopic rod, the connecting plate and the stabilizing window are mutually matched to work, the corrugated pipe is driven to vertically shake through the bottom ring while the movable frame vertically moves, and the thermosetting powder is ensured to continuously and stably fall by matching with the stirring fan blade arranged at the bottom of the stirring shaft.
Drawings
FIG. 1 is a schematic elevational view of the present utility model;
FIG. 2 is a schematic cross-sectional elevation view of the mounting bracket and hopper of the present utility model;
FIG. 3 is a schematic side view of the eccentric and movable frame of the present utility model;
FIG. 4 is a schematic top view of a cross-section of a stabilization window and bottom ring of the present utility model.
In the figure: 1. a twin screw extruder body; 2. a mounting frame; 3. a hopper; 4. a bellows; 5. a motor; 6. a stirring shaft; 7. a drive gear; 8. a driven gear; 9. a horizontal axis; 10. an eccentric wheel; 11. a movable frame; 12. a spring telescoping rod; 13. a connecting plate; 14. a stability window; 15. a bottom ring.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, an embodiment of the present utility model is provided:
a twin screw extruder for the production of thermosetting powder coatings comprising:
the double-screw extruder comprises a double-screw extruder body 1, wherein a mounting frame 2 is fixed on one side of the top end of the double-screw extruder body 1, a charging hopper 3 is fixed on one side of the top of the mounting frame 2, a corrugated pipe 4 is fixed at the bottom end of the charging hopper 3, the bottom end of the corrugated pipe 4 is fixedly connected with a feeding pipe orifice at the top of the double-screw extruder body 1, a motor 5 is fixed at the top of the mounting frame 2, and a stirring shaft 6 is installed at the bottom end of the motor 5;
the driving gear 7, the driving gear 7 is fixed at the top of the stirring shaft 6, the driving gear 7 is in meshed connection with the driven gear 8, the driving gear 7 and the driven gear 8 are bevel gears, the diameter of the driving gear 7 is larger than that of the driven gear 8, the driving gear 7 can drive the driven gear 8 and a connecting structure thereof to perform faster rotating motion, the driven gear 8 is fixedly arranged at one end of the horizontal shaft 9, the horizontal shaft 9 is arranged at the top of the mounting frame 2 in a penetrating manner through a bearing seat, the other end of the horizontal shaft 9 is fixedly provided with an eccentric wheel 10, and the outer side of the eccentric wheel 10 is attached to the inner wall of the movable frame 11;
the spring telescopic rod 12, spring telescopic rod 12 top and movable frame 11 bottom surface are connected fixedly, and spring telescopic rod 12 bottom mounting is in mounting bracket 2 lateral surface middle part, and movable frame 11 bottom surface middle part is connected fixedly with connecting plate 13 top, and stable window 14 is offered in mounting bracket 2 bottom to connecting plate 13 bottom horizontal part run through stable window 14, and connecting plate 13 bottom end is connected fixedly with bottom ring 15 outer wall one side, and bottom ring 15 inner wall is fixed with bellows 4 outer wall connection.
In one embodiment, the center of the eccentric wheel 10 and the center of the movable frame 11 are located on the same vertical plane, the diameter of the eccentric wheel 10 is equal to the width of the inner side of the movable frame 11, and the above structural design enables the eccentric wheel 10 to stably press and push the movable frame 11 to vertically move when rotating.
In one preferred embodiment, the spring telescopic rods 12 are symmetrically distributed about the center of the connecting plate 13, the connecting plate 13 is in an L shape when seen in front, and the above structural design enables the movable frame 11 to drive the connecting plate 13 and the bottom ring 15 to perform synchronous vertical displacement under the supporting action of the spring telescopic rods 12 when the movable frame 11 moves vertically.
In one embodiment, the connecting plate 13 is slidably connected with the stabilizing window 14, and vertical surfaces on two sides of the connecting plate 13 are closely attached to the vertical inner wall of the stabilizing window 14, so that the structural design ensures that the connecting plate 13 only vertically displaces along the stabilizing window 14, and no horizontal shaking occurs.
In one preferred embodiment, the center of the bottom ring 15 is on the same horizontal plane with the horizontal center of the bellows 4, and the center of the inner wall of the bottom ring 15 is fixedly connected with the center of the outer wall of the bellows 4, so that the bottom ring 15 can stably drive the center of the bellows 4 to vertically shake during vertical displacement.
The working principle of the utility model is as follows: when the device is used, thermosetting powder is firstly added into the hopper 3 to supply power for the motor 5 in fig. 2, the motor 5 drives the stirring shaft 6 to stably rotate, stirring blades arranged at the bottom of the stirring shaft 6 stir the thermosetting powder in the hopper 3, meanwhile, the stirring shaft 6 drives the driving gear 7 to stably rotate, and the driving gear 7 drives the driven gear 8 to carry out faster stable unidirectional rotation with the horizontal shaft 9 and the eccentric wheel 10;
when the eccentric wheel 10 rotates, the movable frame 11 in fig. 3 is pushed and pushed to move vertically downwards with the connecting plate 13 by utilizing the eccentric characteristic of the eccentric wheel, the spring telescopic rod 12 is compressed, and then the movable frame 11 is pushed and moved upwards with the connecting plate 13 to reset, so that the movable frame 11 reciprocates vertically with the connecting plate 13 and the bottom ring 15 in fig. 2 along the stabilizing window 14, the bottom ring 15 drives the middle part of the connected corrugated pipe 4 to synchronously continuously shake downwards and upwards, and the thermosetting powder can be smoothly and continuously added into the double-screw extruder body 1 to be produced by matching with the stirring fan blade arranged at the bottom of the stirring shaft 6.
The foregoing is merely exemplary embodiments of the present utility model, and specific structures and features that are well known in the art are not described in detail herein. It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A twin screw extruder for the production of thermosetting powder coatings, comprising:
the double-screw extruder comprises a double-screw extruder body (1), wherein an installation frame (2) is fixed on one side of the top end of the double-screw extruder body (1), a charging hopper (3) is fixed on one side of the top of the installation frame (2), a corrugated pipe (4) is fixed at the bottom end of the charging hopper (3), the bottom end of the corrugated pipe (4) is fixedly connected with a feeding pipe orifice at the top of the double-screw extruder body (1), a motor (5) is fixed at the top of the installation frame (2), and a stirring shaft (6) is installed at the bottom end of the motor (5);
the driving gear (7), driving gear (7) is fixed at the top of (6) stirring axle, driving gear (7) and driven gear (8) meshing are connected, driven gear (8) fixed mounting is in horizontal axle (9) one end, horizontal axle (9) pass through the bearing frame and install at mounting bracket (2) top, horizontal axle (9) other end is fixed with eccentric wheel (10), eccentric wheel (10) outside and movable frame (11) inner wall laminating;
the spring telescopic rod (12), spring telescopic rod (12) top is connected fixedly with movable frame (11) bottom surface, spring telescopic rod (12) bottom mounting is in mounting bracket (2) lateral surface middle part, movable frame (11) bottom surface middle part is connected fixedly with connecting plate (13) top, connecting plate (13) bottom horizontal part runs through stable window (14), stable window (14) are seted up in mounting bracket (2) bottom, connecting plate (13) bottom end is connected fixedly with end ring (15) outer wall one side, end ring (15) inner wall and bellows (4) outer wall connection are fixed.
2. A twin screw extruder for the production of thermosetting powder coatings according to claim 1, characterized in that: the driving gear (7) and the driven gear (8) are bevel gears, and the diameter of the driving gear (7) is larger than that of the driven gear (8).
3. A twin screw extruder for the production of thermosetting powder coatings according to claim 1, characterized in that: the center of the eccentric wheel (10) and the center of the movable frame (11) are positioned on the same vertical plane, and the diameter of the eccentric wheel (10) is equal to the inner side width of the movable frame (11).
4. A twin screw extruder for the production of thermosetting powder coatings according to claim 1, characterized in that: the spring telescopic rods (12) are symmetrically distributed about the center of the connecting plate (13), and the connecting plate (13) is L-shaped in front view.
5. A twin screw extruder for the production of thermosetting powder coatings according to claim 1, characterized in that: the connecting plates (13) are in sliding connection with the stabilizing windows (14), and vertical surfaces on two sides of the connecting plates (13) are tightly attached to the vertical inner walls of the stabilizing windows (14).
6. A twin screw extruder for the production of thermosetting powder coatings according to claim 1, characterized in that: the center of the bottom ring (15) and the horizontal center of the corrugated pipe (4) are positioned on the same horizontal plane, and the center of the inner wall of the bottom ring (15) is fixedly connected with the center of the outer wall of the corrugated pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321192082.5U CN220262125U (en) | 2023-05-17 | 2023-05-17 | Double-screw extruder for thermosetting powder coating production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321192082.5U CN220262125U (en) | 2023-05-17 | 2023-05-17 | Double-screw extruder for thermosetting powder coating production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220262125U true CN220262125U (en) | 2023-12-29 |
Family
ID=89306581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321192082.5U Active CN220262125U (en) | 2023-05-17 | 2023-05-17 | Double-screw extruder for thermosetting powder coating production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220262125U (en) |
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2023
- 2023-05-17 CN CN202321192082.5U patent/CN220262125U/en active Active
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