阅读说明：本技术 一种环保型粉末涂料挤出设备 (Environment-friendly powder coating extrusion equipment ) 是由 夏连心 方志望 朱满子 李时雨 于 2020-11-27 设计创作，主要内容包括：本发明公布了一种环保型粉末涂料挤出设备,它包括内部设置有螺杆的料筒和用于为螺杆提供动力的驱动机构,料筒外侧设置有加热器,料筒竖直设立在驱动机构下方,料筒上部设置有进料口；料筒上部一侧设置有加料装置,加料装置通过加料管与进料口相连；加料装置包括拌料筒和搅拌轴,搅拌轴前端设置在拌料筒内；搅拌轴前端环形设置有搅拌叶,拌料筒在搅拌叶下方设置有滤料板,滤料板上均匀间隔布设有滤孔；滤料板上方的拌料筒内设置有除湿吸附颗粒,滤料板下方的拌料筒连通有加料管；料筒底部出口设置有挤料盘,挤料盘上设置有刮料装置；本发明能够实现对粉末涂料挤出加工物料的高效除湿,同时配合刮料机构实现快速挤出冷却的效果。(The invention discloses environment-friendly powder coating extrusion equipment, which comprises a charging barrel and a driving mechanism, wherein a screw rod is arranged in the charging barrel, the driving mechanism is used for providing power for the screw rod, a heater is arranged outside the charging barrel, the charging barrel is vertically arranged below the driving mechanism, and a feeding hole is formed in the upper part of the charging barrel; a feeding device is arranged on one side of the upper part of the charging barrel and is connected with the feeding hole through a feeding pipe; the feeding device comprises a stirring barrel and a stirring shaft, and the front end of the stirring shaft is arranged in the stirring barrel; the front end of the stirring shaft is annularly provided with stirring blades, the stirring barrel is provided with filter plates below the stirring blades, and filter holes are uniformly distributed on the filter plates at intervals; dehumidifying and adsorbing particles are arranged in the material mixing barrel above the filter material plate, and the material mixing barrel below the filter material plate is communicated with a feed pipe; an extrusion disc is arranged at an outlet at the bottom of the charging barrel, and a scraping device is arranged on the extrusion disc; the invention can realize high-efficiency dehumidification of the powder coating extrusion processing material, and simultaneously realizes the effect of rapid extrusion cooling by matching with the scraping mechanism.)

1. An environment-friendly powder coating extrusion device comprises a charging barrel (1) internally provided with a screw (2) and a driving mechanism (3) used for providing power for the screw (2) through a transmission shaft (201), wherein a heater (102) is arranged on the outer side of the charging barrel (1), and the environment-friendly powder coating extrusion device is characterized in that the charging barrel (1) is vertically arranged below the driving mechanism (3), and a feeding hole (101) is arranged at the upper part of the charging barrel (1); a feeding device (4) is arranged on one side of the upper part of the charging barrel (1), and the feeding device (4) is connected with the feeding hole (101) through a feeding pipe (407); the feeding device (4) comprises a stirring barrel (401) and a stirring shaft (403), and the front end of the stirring shaft (403) is arranged in the stirring barrel (401); stirring blades (404) are annularly arranged at the front end of the stirring shaft (403), a filter plate (405) is arranged below the stirring blades (404) of the stirring barrel (401), and filter holes (409) are uniformly distributed on the filter plate (405) at intervals; dehumidifying adsorption particles (406) are arranged in the material stirring barrel (401) above the filter plate (405), and the material stirring barrel (401) below the filter plate (405) is communicated with a feeding pipe (407); an extrusion disc (5) is arranged at an outlet at the bottom of the charging barrel (1), and a scraping device (6) is arranged on the extrusion disc (5); the aperture of the filter hole (409) is larger than the particle size of the coating processing material and smaller than the particle size of the dehumidifying adsorption particle (406).

2. The extrusion equipment of the environment-friendly powder coating material according to claim 1, wherein the extrusion disc (5) is provided with extrusion ports (501) at regular intervals, the extrusion ports are communicated with the interior of the charging barrel (1), the scraping device (6) comprises a scraping plate (602) connected with one end of the screw (2) through a coupler (601), and the scraping plate (602) is arranged under the extrusion ports (501).

3. An environment-friendly powder coating extrusion apparatus as claimed in claim 2, wherein said extrusion disc (5) is provided with a retaining edge (603) outside the edge of the scraper (602).

4. An environment-friendly powder coating extrusion device as claimed in claim 1, wherein a twin-screw structure for powder coating processing is arranged in the charging barrel (1), and the driving mechanism (3) is connected with and drives the twin-screw structure.

5. The extrusion apparatus of claim 1, wherein the stirring shaft (403) is connected to the transmission shaft (201) through a transmission mechanism (402), and the transmission mechanism (402) is a pulley transmission structure.

6. An environment friendly powder coating extrusion apparatus as claimed in claim 1, wherein said moisture adsorbing desiccant particle (406) is a solid silica gel pellet.

7. The extrusion apparatus for environmental protection type powder coating material as claimed in claim 1, wherein a cover (408) which can be opened by turning is provided above the mixing barrel (401).

Technical Field

The invention belongs to the field of coating processing equipment, and particularly relates to environment-friendly powder coating extrusion equipment.

Background

The powder coating is a solid powder synthetic resin coating composed of solid resin, pigment, filler, auxiliary agent and the like. Unlike conventional solvent-based coatings and water-based coatings, the dispersion medium is not a solvent and water, but air. It has the characteristics of no solvent pollution, 100 percent film formation, low energy consumption and the like.

Because powder coating's thermal conductivity is relatively poor, inside heat can't be distributed, has accelerated the thermal motion of each component molecule of powder coating, leads to powder coating's caking, and if the air of the higher temperature in the wrapping bag when condensing to room temperature, also there is water to analyse out simultaneously, the result of the two combined action, causes powder coating to wet the caking. And in the step of putting the coating into heating and melting, the water content in the material needs to be strictly controlled, which is one of the key factors for determining the quality of the coating.

Disclosure of Invention

The invention aims to solve the problems, and provides environment-friendly powder coating extrusion equipment which can realize efficient dehumidification of powder coating extrusion processing materials and realize the effect of quick extrusion cooling by matching with a scraping mechanism.

In order to realize the purpose, the invention adopts the technical scheme that: an environment-friendly powder coating extrusion device comprises a charging barrel and a driving mechanism, wherein a screw rod is arranged in the charging barrel, the driving mechanism is used for providing power for the screw rod through a transmission shaft, a heater is arranged on the outer side of the charging barrel, the charging barrel is vertically arranged below the driving mechanism, and a feeding hole is formed in the upper part of the charging barrel; a feeding device is arranged on one side of the upper part of the charging barrel and is connected with the feeding hole through a feeding pipe; the feeding device comprises a stirring barrel and a stirring shaft, and the front end of the stirring shaft is arranged in the stirring barrel; the stirring shaft is provided with stirring blades at the front end in an annular manner, the stirring barrel is provided with filter plates below the stirring blades, and filter holes are uniformly distributed on the filter plates at intervals; dehumidifying and adsorbing particles are arranged in the material mixing barrel above the filter material plate, and the material mixing barrel below the filter material plate is communicated with a feeding pipe; an extrusion disc is arranged at an outlet at the bottom of the charging barrel, and a scraping device is arranged on the extrusion disc; the aperture of the filter hole is larger than the particle size of the coating processing material and smaller than the particle size of the dehumidifying adsorption particles.

Furthermore, extrude the inside mouth of extruding of feed cylinder of having laid at even interval on the charging tray, the scraping device includes the flitch of scraping that links to each other through shaft coupling and screw rod one end, scrape the flitch setting and extrude the mouth under.

Furthermore, the extruding disc is provided with a flange at the outer side of the edge of the scraping plate.

Furthermore, a double-screw structure for processing the powder coating is arranged in the charging barrel, and the driving mechanism is connected with and drives the double-screw structure.

Furthermore, the stirring shaft is connected with a transmission shaft through a transmission mechanism, and the transmission mechanism is a belt pulley transmission structure.

Furthermore, the dehumidifying and adsorbing particles are solid silica gel pellets.

Further, a cylinder cover capable of being turned over and opened is arranged above the material mixing cylinder.

The invention has the beneficial effects that:

1. when the device works, the device can carry out pre-dehumidification treatment on the extrusion processing of the powder coating in the material input link, and is matched with the transmission device to be synchronously driven with the screw rod in the extrusion cylinder, so that the effect of synchronous control is achieved, and the quality of extrusion mixing of the coating in the extrusion processing process is ensured.

2. The scraping device of the device can be synchronously driven by matching with the screw rod to quickly scrape the coating formed from the extrusion opening, and the coating is quickly scraped and has a thinner thickness, so that the quick air cooling can be realized in the process from falling to the subsequent process, the function of reducing the temperature by pressing sheet forming in the original process is replaced, the processing flow is further simplified, and the processing efficiency of subsequent crushing and grinding can be improved.

3. The device can further prevent extruded materials from being thrown out from the side edges by arranging the flanges; the barrel cover is arranged to prevent the materials in the stirring barrel from being stirred and flying out, and the transmission mechanism is arranged to realize synchronous control of the feeding process.

Drawings

Fig. 1 is a perspective view of the overall structure of the present invention.

Fig. 2 is a schematic top view of the present invention.

FIG. 3 is a bottom view of the present invention.

FIG. 4 is a schematic view showing the internal structure of a kneading cylinder 401 in the apparatus of the present invention.

In the figure: 1. a charging barrel; 2. a screw; 3. a drive mechanism; 4. a feeding device; 5. extruding a material plate; 6. a scraping device; 101. a feed inlet; 102. a heater; 201. a drive shaft; 401. a mixing barrel; 402. a transmission mechanism; 403. a stirring shaft; 404. stirring blades; 405. a filter plate; 406. dehumidifying the adsorbent particles; 407. a feed tube; 408. a cylinder cover; 409. filtering holes; 501. an extrusion port; 601. a coupling; 602. a scraping plate; 603. and (7) blocking edges.

Detailed Description

The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.

As shown in fig. 1 to 4, the specific structure of the present invention is: an environment-friendly powder coating extrusion device comprises a charging barrel 1 and a driving mechanism 3, wherein a screw 2 is arranged in the charging barrel 1, the driving mechanism 3 is used for providing power for the screw 2 through a transmission shaft 201, a heater 102 is arranged on the outer side of the charging barrel 1, the charging barrel 1 is vertically arranged below the driving mechanism 3, and a feeding hole 101 is formed in the upper part of the charging barrel 1; a feeding device 4 is arranged on one side of the upper part of the charging barrel 1, and the feeding device 4 is connected with the feeding hole 101 through a feeding pipe 407; the feeding device 4 comprises a stirring barrel 401 and a stirring shaft 403, and the front end of the stirring shaft 403 is arranged in the stirring barrel 401; the stirring shaft 403 is annularly provided with stirring blades 404 at the front end, the stirring barrel 401 is provided with filter plates 405 below the stirring blades 404, and the filter plates 405 are uniformly distributed with filter holes 409 at intervals; dehumidifying adsorption particles 406 are arranged in the stirring barrel 401 above the filter plate 405, and the stirring barrel 401 below the filter plate 405 is communicated with a feed pipe 407; an extrusion disc 5 is arranged at an outlet at the bottom of the charging barrel 1, and a scraping device 6 is arranged on the extrusion disc 5; the aperture of the filter hole 409 is larger than the particle size of the coating processing material and smaller than the particle size of the dehumidifying adsorption particles 406.

In order to further replace the effect achieved by the original tabletting process, the extrusion openings 501 communicated with the interior of the charging barrel 1 are uniformly distributed on the extrusion disk 5 at intervals, the scraping device 6 comprises a scraping plate 602 connected with one end of the screw rod 2 through a coupler 601, and the scraping plate 602 is arranged right below the extrusion openings 501.

In order to further prevent the extruded material from being thrown out from the side, the extruding disc 5 is provided with a retaining edge 603 outside the edge of the scraping plate 602.

Preferably, a double-screw structure for processing powder coating is arranged in the charging barrel 1, and the driving mechanism 3 is connected with and drives the double-screw structure.

Preferably, the stirring shaft 403 is connected with the transmission shaft 201 through a transmission mechanism 402, and the transmission mechanism 402 is a belt pulley transmission structure.

Preferably, the desiccant adsorbent particles 406 are solid silica gel pellets.

Preferably, a cover 408 which can be opened in a turnover mode is arranged above the stirring barrel 401.

It should be noted that, in this document, 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.

The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.