A kind of extrusion molding equipment for producing polylactic acid resin

Abstract

The utility model relates to the technical field of extrusion molding equipment for producing polylactic acid resin, and in particular to an extrusion molding equipment for producing polylactic acid resin, which filters polylactic acid resin melt by a filtering mechanism, extrudes the filtered polylactic acid resin melt through an extrusion mechanism, discharges the stirring mechanism by opening a rotating mechanism after the extrusion is completed, and simultaneously places a cleaning mechanism in the stirring mechanism, discharges the cleaning liquid into a heating mechanism, and cleans the inner wall of the heating mechanism by opening the cleaning mechanism, thereby improving the practicability of the equipment; the equipment comprises a heating mechanism; and further comprises a stirring mechanism, a filtering mechanism, an extrusion mechanism, a rotating mechanism and a cleaning mechanism, wherein the heating mechanism is mounted on the extrusion mechanism, the stirring mechanism is mounted on the rotating mechanism, the filtering mechanism is mounted on the extrusion mechanism, and the cleaning mechanism is mounted on the rotating mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of extrusion molding equipment for producing polylactic acid resin, in particular to extrusion molding equipment for producing polylactic acid resin. Background Art

[0002] Polylactic acid resin is a thermoplastic made from 100% plant materials. It can be used for injection molding, extrusion molding or blow molding. This plastic does not use any petroleum or fossil materials and has excellent environmental properties. When discarded in the soil, it can be completely biodegraded into water and carbon dioxide by microorganisms in the soil and enzymes produced by the flora.

[0003] For example, in a type of prior art represented by the extrusion molding equipment for the production of polylactic acid resin disclosed in the utility model patent with application number 202122907098.7, its main structure includes a hot pressing roller, a guide roller, a drive motor and a nozzle, etc., and the extrusion molding for the production of polylactic acid resin is achieved through the coordination of structures such as hot pressing rollers, guide rollers, drive motors and nozzles.

[0004] Conventional extrusion molding equipment for the production of polylactic acid resins has difficulty removing impurities from liquid polylactic acid resins, and polylactic acid resins have a certain degree of adhesion that makes it difficult to clean the inner wall of the equipment. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides an extrusion molding equipment for the production of polylactic acid resin, which filters the polylactic acid resin melt through a filtering mechanism, extrude the filtered polylactic acid resin melt through an extrusion mechanism, and discharges the stirring mechanism by opening a rotating mechanism after the extrusion is completed. At the same time, a cleaning mechanism is placed in the stirring mechanism, and the cleaning liquid is discharged into the heating mechanism. The inner wall of the heating mechanism is cleaned by opening the cleaning mechanism, thereby improving the practicality of the equipment.

[0006] The utility model discloses an extrusion molding equipment for producing polylactic acid resin, comprising a heating mechanism; a stirring mechanism, a filtering mechanism, an extrusion mechanism, a rotating mechanism and a cleaning mechanism, wherein the heating mechanism is mounted on the extrusion mechanism, the stirring mechanism is mounted on the rotating mechanism, the filtering mechanism is mounted on the extrusion mechanism, and the cleaning mechanism is mounted on the rotating mechanism; a polylactic acid resin raw material is placed in the heating mechanism, heated by opening the heating mechanism, stirred by opening the filtering mechanism, the polylactic acid resin raw material is mixed evenly, the polylactic acid resin is converted into a fluid, the polylactic acid resin is discharged into the filtering mechanism, the polylactic acid resin melt is filtered by the filtering mechanism, the filtered polylactic acid resin melt is extruded and molded by the extrusion mechanism, the stirring mechanism is discharged by opening the rotating mechanism after extrusion, the cleaning mechanism is placed in the stirring mechanism at the same time, the cleaning liquid is discharged into the heating mechanism, the inner wall of the heating mechanism is cleaned by opening the cleaning mechanism, and the practicability of the equipment is improved.

[0007] Preferably, the heating mechanism includes a stirring barrel, a heater, a liquid inlet pipe, a liquid discharge pipe and a plurality of support columns, the heater is mounted on the outer wall of the stirring barrel, the output end of the liquid inlet pipe is mounted on the outer wall of the stirring barrel, the input end of the liquid discharge pipe is connected to the outer wall of the stirring barrel, valves are provided on the liquid inlet pipe and the liquid discharge pipe, and the bottom end of the stirring barrel is mounted on the top end of the plurality of support columns; the polylactic acid resin raw material is placed inside the stirring barrel, the polylactic acid resin raw material in the stirring barrel is heated by turning on the heater, the heated polylactic acid resin melt is discharged through the liquid discharge pipe, the plurality of support columns respectively support the stirring barrel, and the cleaning liquid enters the stirring barrel through the liquid inlet pipe, thereby improving the practicability of the equipment.

[0008] Preferably, the stirring mechanism includes a first cylinder, a mounting frame, a cover plate, a sealing ring, a first motor, a stirring shaft, a plurality of stirring blades and a scraper. The top end of the mounting frame is mounted on the bottom end of the first cylinder, the top end of the cover plate is mounted on the mounting frame, the sealing ring is mounted on the bottom end of the cover plate, the first motor is mounted on the top end of the cover plate, the stirring shaft is mounted on the output end of the first motor, a plurality of stirring blades are arranged on the stirring shaft, and the scraper is mounted on the stirring shaft. The plurality of stirring blades and the scraper are respectively allowed to enter the stirring barrel by extending the first cylinder, the cover plate and the stirring barrel are sealed by the sealing ring, the stirring shaft is rotated by turning on the first motor, and the polylactic acid resin is stirred by the plurality of stirring blades and the scraper so that it is heated evenly, thereby improving the practicality of the equipment.

[0009] Preferably, the filtering mechanism includes a filter screen, a discharge bucket and a discharge pipe, the bottom end of the filter screen is installed at the top end of the discharge bucket, and the input end of the discharge pipe is installed at the bottom end of the discharge bucket; the polylactic acid resin melt is filtered through the filter screen, and the filtered polylactic acid resin melt is discharged into the extrusion mechanism through the discharge bucket and the discharge pipe, thereby improving the practicality of the equipment.

[0010] Preferably, the extrusion mechanism includes a base, a second motor, an extrusion shaft, a spiral blade, an extrusion pipe and an extrusion die, the second motor is installed at the top of the base, the left end of the extrusion shaft is installed on the output end of the second motor, the extrusion shaft is provided with a spiral blade, the extrusion shaft is located in the extrusion pipe, the input end of the extrusion die is installed at the right end of the extrusion pipe, and the extrusion pipe is installed at the top of the base; the polylactic acid resin melt is discharged into the extrusion pipe, and the extrusion shaft is rotated by turning on the second motor so that the spiral blade extrude the polylactic acid resin solution through the extrusion die, thereby improving the practicality of the equipment.

[0011] Preferably, the rotating mechanism includes a mounting plate, a third motor and a rotating shaft, the third motor is mounted on the bottom end of the mounting plate, and the rotating shaft is mounted on the output end of the third motor; by turning on the third motor to rotate the third motor, the practicability of the device is improved.

[0012] Preferably, the cleaning mechanism includes a second cylinder, a fourth motor and a cleaning brush, the fourth motor is installed at the bottom end of the second cylinder, and the top end of the cleaning brush is installed on the output end of the fourth motor; the cleaning brush is placed in the mixing barrel by extending the second cylinder, and the cleaning brush is rotated by turning on the fourth motor to clean the inner wall of the mixing barrel through the discharge pipe, thereby improving the practicality of the equipment.

[0013] Compared with the prior art, the utility model has the following beneficial effects: placing a polylactic acid resin raw material in a heating mechanism, heating it by turning on the heating mechanism, stirring the polylactic acid resin raw material by turning on the filtering mechanism, mixing the polylactic acid resin raw material evenly, turning the polylactic acid resin into a fluid, discharging the polylactic acid resin into the filtering mechanism, filtering the polylactic acid resin melt by the filtering mechanism, extruding the filtered polylactic acid resin melt through the extrusion mechanism, discharging the stirring mechanism by turning on the rotating mechanism after the extrusion is completed, placing a cleaning mechanism in the stirring mechanism, discharging the cleaning liquid into the heating mechanism, and cleaning the inner wall of the heating mechanism by turning on the cleaning mechanism, thereby improving the practicability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an axonometric schematic diagram of the utility model;

[0015] Figure 2 It is an axonometric schematic diagram of the heating mechanism of the utility model;

[0016] Figure 3 It is an axonometric schematic diagram of the stirring mechanism of the utility model;

[0017] Figure 4 It is an axonometric schematic diagram of the filtering mechanism of the utility model;

[0018] Figure 5 It is a front cross-sectional view of the extrusion mechanism of the utility model;

[0019] Figure 6 It is a front view of the rotating mechanism of the utility model;

[0020] Figure 7 It is an axonometric schematic diagram of the cleaning mechanism of the utility model.

[0021] Markings in the accompanying drawings: 01, heating mechanism; 11, stirring barrel; 12, heater; 13, liquid inlet pipe; 14, liquid discharge pipe; 15, support column; 02, stirring mechanism; 21, first cylinder; 22, mounting frame; 23, cover plate; 24, sealing ring; 25, first motor; 26, stirring shaft; 27, stirring blade; 28, scraper; 03, filtering mechanism; 31, filtering screen; 32, discharge bucket; 33, discharge pipe; 04, extrusion mechanism; 41, base; 42, second motor; 43, extrusion shaft; 44, spiral blade; 45, extrusion pipeline; 46, extrusion mold; 05, rotating mechanism; 51, mounting plate; 52, third motor; 53, rotating shaft; 06, cleaning mechanism; 61, second cylinder; 62, fourth motor; 63, cleaning brush. DETAILED DESCRIPTION

[0022] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0023] Example 1

[0024] like Figure 1 As shown, it includes a heating mechanism 01; it also includes a stirring mechanism 02, a filtering mechanism 03, an extruding mechanism 04, a rotating mechanism 05 and a cleaning mechanism 06, the heating mechanism 01 is mounted on the extruding mechanism 04, the stirring mechanism 02 is mounted on the rotating mechanism 05, the filtering mechanism 03 is mounted on the extruding mechanism 04, and the cleaning mechanism 06 is mounted on the rotating mechanism 05;

[0025] The polylactic acid resin raw material is placed in the heating mechanism 01, and is heated by turning on the heating mechanism 01. The polylactic acid resin raw material is stirred by turning on the filtering mechanism 03 to make the polylactic acid resin raw material evenly mixed, so that the polylactic acid resin becomes a fluid, and the polylactic acid resin is discharged into the filtering mechanism 03. The polylactic acid resin melt is filtered by the filtering mechanism 03, and the filtered polylactic acid resin melt is extruded and formed by the extrusion mechanism 04. After the extrusion is completed, the stirring mechanism 02 is discharged by turning on the rotating mechanism 05. At the same time, the cleaning mechanism 06 is placed in the stirring mechanism 02, and the cleaning liquid is discharged into the heating mechanism 01. The inner wall of the heating mechanism 01 is cleaned by turning on the cleaning mechanism 06 to improve the practicality of the equipment.

[0026] like Figure 2 As shown, the heating mechanism 01 includes a mixing barrel 11, a heater 12, a liquid inlet pipe 13, a liquid discharge pipe 14 and a plurality of support columns 15, the heater 12 is mounted on the outer wall of the mixing barrel 11, the output end of the liquid inlet pipe 13 is mounted on the outer wall of the mixing barrel 11, the input end of the liquid discharge pipe 14 is connected to the outer wall of the mixing barrel 11, valves are provided on the liquid inlet pipe 13 and the liquid discharge pipe 14, and the bottom end of the mixing barrel 11 is mounted on the top end of the plurality of support columns 15;

[0027] like Figure 3 As shown, the stirring mechanism 02 includes a first cylinder 21, a mounting frame 22, a cover plate 23, a sealing ring 24, a first motor 25, a stirring shaft 26, a plurality of stirring blades 27 and a scraper 28. The top end of the mounting frame 22 is mounted on the bottom end of the first cylinder 21, the top end of the cover plate 23 is mounted on the mounting frame 22, the sealing ring 24 is mounted on the bottom end of the cover plate 23, the first motor 25 is mounted on the top end of the cover plate 23, the stirring shaft 26 is mounted on the output end of the first motor 25, a plurality of stirring blades 27 are arranged on the stirring shaft 26, and the scraper 28 is mounted on the stirring shaft 26;

[0028] like Figure 4 As shown, the filtering mechanism 03 includes a filtering screen 31, a discharge bucket 32 ​​and a discharge pipe 33. The bottom end of the filtering screen 31 is installed at the top end of the discharge bucket 32, and the input end of the discharge pipe 33 is installed at the bottom end of the discharge bucket 32.

[0029] The polylactic acid resin raw material is placed inside the mixing barrel 11, and the polylactic acid resin raw material in the mixing barrel 11 is heated by turning on the heater 12. The heated polylactic acid resin melt is discharged through the discharge pipe 14. A plurality of support columns 15 respectively support the mixing barrel 11. The cleaning liquid enters the mixing barrel 11 through the liquid inlet pipe 13. The plurality of stirring blades 27 and the scraper 28 are respectively entered into the mixing barrel 11 by extending the first cylinder 21. The cover plate 23 and the mixing barrel 11 are sealed by the sealing ring 24. The stirring shaft 26 is rotated by turning on the first motor 25. The polylactic acid resin is stirred by the plurality of stirring blades 27 and the scraper 28 so that it is evenly heated. The polylactic acid resin melt is filtered by the filter screen 31. The filtered polylactic acid resin melt is discharged into the extrusion mechanism 04 through the discharge bucket 32 ​​to the discharge pipe 33, thereby improving the practicability of the equipment.

[0030] Example 2

[0031] like Figure 5As shown, on the basis of Example 1, an extrusion mechanism 04 is also included, and the extrusion mechanism 04 includes a base 41, a second motor 42, an extrusion shaft 43, a spiral blade 44, an extrusion pipe 45 and an extrusion die 46. The second motor 42 is installed at the top of the base 41, and the left end of the extrusion shaft 43 is installed on the output end of the second motor 42. The extrusion shaft 43 is provided with a spiral blade 44, the extrusion shaft 43 is located in the extrusion pipe 45, and the input end of the extrusion die 46 is installed at the right end of the extrusion pipe 45. The extrusion pipe 45 is installed at the top of the base 41;

[0032] The polylactic acid resin melt is discharged into the extrusion pipe 45, and the extrusion shaft 43 is rotated by turning on the second motor 42, so that the spiral blade 44 extrude the polylactic acid resin solution through the extrusion die 46, thereby improving the practicality of the equipment.

[0033] Example 3

[0034] like Figure 6 and Figure 7 As shown, on the basis of Example 1, it also includes a rotating mechanism 05 and a cleaning mechanism 06, the rotating mechanism 05 includes a mounting plate 51, a third motor 52 and a rotating shaft 53, the third motor 52 is mounted at the bottom end of the mounting plate 51, and the rotating shaft 53 is mounted on the output end of the third motor 52; the cleaning mechanism 06 includes a second cylinder 61, a fourth motor 62 and a cleaning brush 63, the fourth motor 62 is mounted at the bottom end of the second cylinder 61, and the top end of the cleaning brush 63 is mounted on the output end of the fourth motor 62;

[0035] By turning on the third motor 52 to rotate the third motor 52, by extending the second cylinder 61 to place the cleaning brush 63 in the mixing barrel 11, by turning on the fourth motor 62 to rotate the cleaning brush 63, the inner wall of the mixing barrel 11 is cleaned through the discharge pipe 33, thereby improving the practicality of the equipment.

[0036] like Figures 1 to 7As shown, the utility model is an extrusion molding equipment for producing polylactic acid resin. When working, the polylactic acid resin raw material is first placed in the mixing barrel 11, and the polylactic acid resin raw material in the mixing barrel 11 is heated by turning on the heater 12. The heated polylactic acid resin melt is discharged through the discharge pipe 14, and a plurality of support columns 15 respectively support the mixing barrel 11. The cleaning liquid enters the mixing barrel 11 through the liquid inlet pipe 13, and then the plurality of stirring blades 27 and the scraper 28 are respectively entered into the mixing barrel 11 by extending the first cylinder 21, and the cover plate 23 and the mixing barrel 11 are sealed by the sealing ring 24, and the stirring shaft 26 is rotated by turning on the first motor 25. The polylactic acid resin is stirred so that it is heated evenly, and then the polylactic acid resin melt is filtered through the filter screen 31. The filtered polylactic acid resin melt is discharged into the extrusion mechanism 04 through the discharge bucket 32 ​​to the discharge pipe 33, and then the polylactic acid resin melt is discharged into the extrusion pipe 45. The extrusion shaft 43 is rotated by turning on the second motor 42, so that the spiral blade 44 extrude the polylactic acid resin solution through the extrusion die 46, and then the third motor 52 is turned on to rotate the third motor 52. Finally, the cleaning brush 63 is placed in the mixing barrel 11 by extending the second cylinder 61, and the cleaning brush 63 is rotated by turning on the fourth motor 62. The inner wall of the mixing barrel 11 is cleaned through the discharge pipe 33 to improve the practicality of the equipment.

[0037] The heater 12, the first motor 25, the second motor 42, the third motor 52 and the fourth motor 62 of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manuals without the need for creative work by technicians in this field.

[0038] The main functions realized by the utility model are: filtering the polylactic acid resin melt through the filtering mechanism 03, extruding the filtered polylactic acid resin melt through the extrusion mechanism 04, and discharging the stirring mechanism 02 by opening the rotating mechanism 05 after the extrusion, and placing the cleaning mechanism 06 in the stirring mechanism 02, and discharging the cleaning liquid into the heating mechanism 01, and cleaning the inner wall of the heating mechanism 01 by opening the cleaning mechanism 06, thereby improving the practicality of the equipment.

[0039] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. An extrusion molding device for producing polylactic acid resin, comprising a heating mechanism (01); characterized in that: It also includes a stirring mechanism (02), a filtering mechanism (03), an extruding mechanism (04), a rotating mechanism (05) and a cleaning mechanism (06); the heating mechanism (01) is mounted on the extruding mechanism (04); the stirring mechanism (02) is mounted on the rotating mechanism (05); the filtering mechanism (03) is mounted on the extruding mechanism (04); and the cleaning mechanism (06) is mounted on the rotating mechanism (05).

2. The extrusion molding equipment for producing polylactic acid resin according to claim 1, characterized in that: The heating mechanism (01) comprises a stirring barrel (11), a heater (12), a liquid inlet pipe (13), a liquid discharge pipe (14) and a plurality of support columns (15); the heater (12) is mounted on the outer wall of the stirring barrel (11); the output end of the liquid inlet pipe (13) is mounted on the outer wall of the stirring barrel (11); the input end of the liquid discharge pipe (14) is connected to the outer wall of the stirring barrel (11); valves are provided on the liquid inlet pipe (13) and the liquid discharge pipe (14); and the bottom end of the stirring barrel (11) is mounted on the top end of the plurality of support columns (15).

3. The extrusion molding equipment for producing polylactic acid resin according to claim 1, characterized in that: The stirring mechanism (02) comprises a first cylinder (21), a mounting frame (22), a cover plate (23), a sealing ring (24), a first motor (25), a stirring shaft (26), a plurality of stirring blades (27) and a scraper (28); the top end of the mounting frame (22) is mounted on the bottom end of the first cylinder (21); the top end of the cover plate (23) is mounted on the mounting frame (22); the sealing ring (24) is mounted on the bottom end of the cover plate (23); the first motor (25) is mounted on the top end of the cover plate (23); the stirring shaft (26) is mounted on the output end of the first motor (25); the stirring shaft (26) is provided with a plurality of stirring blades (27); and the scraper (28) is mounted on the stirring shaft (26).

4. The extrusion molding equipment for producing polylactic acid resin according to claim 1, characterized in that: The filtering mechanism (03) comprises a filtering screen (31), a discharge bucket (32) and a discharge pipe (33), wherein the bottom end of the filtering screen (31) is mounted on the top end of the discharge bucket (32), and the input end of the discharge pipe (33) is mounted on the bottom end of the discharge bucket (32).

5. The extrusion molding equipment for producing polylactic acid resin according to claim 1, characterized in that: The extrusion mechanism (04) comprises a base (41), a second motor (42), an extrusion shaft (43), a spiral blade (44), an extrusion pipe (45) and an extrusion die (46), wherein the second motor (42) is mounted on the top of the base (41), the left end of the extrusion shaft (43) is mounted on the output end of the second motor (42), the extrusion shaft (43) is provided with a spiral blade (44), the extrusion shaft (43) is located in the extrusion pipe (45), the input end of the extrusion die (46) is mounted on the right end of the extrusion pipe (45), and the extrusion pipe (45) is mounted on the top of the base (41).

6. The extrusion molding equipment for producing polylactic acid resin according to claim 1, characterized in that: The rotating mechanism (05) comprises a mounting plate (51), a third motor (52) and a rotating shaft (53), wherein the third motor (52) is mounted on the bottom end of the mounting plate (51), and the rotating shaft (53) is mounted on the output end of the third motor (52).

7. The extrusion molding equipment for producing polylactic acid resin according to claim 1, characterized in that: The cleaning mechanism (06) comprises a second cylinder (61), a fourth motor (62) and a cleaning brush (63), wherein the fourth motor (62) is mounted at the bottom end of the second cylinder (61), and the top end of the cleaning brush (63) is mounted on the output end of the fourth motor (62).

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