A material stirring device for PLA film production

Abstract

The utility model relates to the field of PLA film production, and in particular to a material stirring device for PLA film production, comprising a stirring machine body, a stirring shaft rotatably installed inside the stirring machine body, the stirring shaft driven by a driving motor, a stirring rod mechanism equidistantly arranged around the outer wall of the stirring shaft; the stirring rod mechanism comprises two extension rods, one end of the extension rod is connected to the stirring shaft, a fixed connecting plate is installed between the two extension rods and on the side away from the stirring shaft, and a scraper mechanism is arranged on the side of the fixed connecting plate away from the stirring shaft. In the utility model, the inner wall of the stirring machine body is scraped by the scraper body to scrape off the raw materials attached to the inner wall of the stirring machine body, and the scraped raw materials continue to be mixed and stirred, and at the same time, the scraper mechanism facilitates the disassembly, cleaning or replacement of the scraper body.

Description

Technical Field

[0001] The utility model relates to the technical field of PLA film production, in particular to a material stirring device for PLA film production. Background Art

[0002] The finished film is made of plastic particles, photosensitive resin, additives and other materials that are selected, weighed, and mixed before entering the extruder, where it is heated and pressurized to produce the film.

[0003] In the existing PLA film stirring device, the raw materials are easily attached to the wall of the barrel during the mixing process, which is not only difficult to clean, but also easily causes waste of resources. At the same time, although some existing PLA film stirring devices are equipped with scraper devices, after being used for a period of time, most of the scraper devices are not convenient to disassemble, clean or replace. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a material stirring device for PLA film production.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A material stirring device for PLA film production, comprising a stirring body, a stirring shaft rotatably mounted inside the stirring body, the stirring shaft is driven by a driving motor, and stirring rod mechanisms are arranged at equal distances around the outer wall of the stirring shaft;

[0007] The stirring rod mechanism comprises two extension rods, one end of which is connected to the stirring shaft, a fixed connecting plate is installed between the two extension rods and on the side away from the stirring shaft, and a scraper mechanism is arranged on the side of the fixed connecting plate away from the stirring shaft.

[0008] In addition, a preferred structure is that the scraper mechanism includes a fixed plate, a scraper body, and a connecting rod, and a connecting rod is installed at an equal distance at one end of the scraper body close to the stirring shaft.

[0009] In addition, a preferred structure is that a spring is installed at an equal distance on one side of the fixed plate away from the stirring shaft, the other end of the spring is connected to a movable plate, a clamping groove is provided in the movable plate at the corresponding connecting rod, and a slide groove is provided in the movable plate above the clamping groove, and a slide groove through hole is provided on one side of the movable plate at the corresponding slide groove.

[0010] In addition, a preferred structure is that a placement cavity is opened in the fixed connecting plate at the corresponding scraper mechanism, a card slot is opened on one side of the fixed connecting plate, and a limiting fixing plate is arranged in the card slot, and the limiting fixing plate and the fixed connecting plate are connected by a plurality of fixing screws.

[0011] In addition, a preferred structure is that a limiting groove is provided in the fixed connecting plate on one side close to the fixed plate and below the placement cavity, and a fixing block is installed on the limiting fixing plate close to the fixed connecting plate at the corresponding limiting groove.

[0012] In addition, a preferred structure is that a plurality of first stirring rods are installed at equal distances between the two extension rods, and a guide plate is installed on the top of the extension rod, and the top of the guide plate is inclined from the center to both sides.

[0013] The beneficial effects of the utility model are:

[0014] In the utility model, the scraper body is used to scrape the inner wall of the mixer body, so that the raw materials attached to the inner wall of the mixer body are scraped off, and the scraped raw materials are continuously mixed and stirred. At the same time, the scraper body can be easily disassembled, cleaned or replaced by a new one through the scraper mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a material stirring device for PLA film production proposed by the utility model;

[0016] Figure 2 It is a structural schematic diagram of the cross section of the mixer body proposed by the utility model;

[0017] Figure 3 This is a schematic diagram of the disassembled structure of the stirring rod mechanism proposed in the utility model;

[0018] Figure 4 for Figure 3 A partial enlarged structural schematic diagram.

[0019] In the figure: 1, mixer body; 2, driving mechanism; 21, stirring shaft; 3, stirring rod mechanism; 31, extension rod; 32, fixed connecting rod; 33, first stirring rod; 35, scraper mechanism; 351, scraper body; 352, connecting rod; 353, movable plate; 354, fixed plate; 355, spring; 36, guide plate. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-4A material stirring device for PLA film production includes a stirring machine body 1, a stirring shaft 21 is rotatably installed inside the stirring machine body 1, the stirring shaft 21 is driven by a driving motor 2, and stirring rod mechanisms 3 are equidistantly arranged around the outer wall of the stirring shaft 21. The stirring machine body 1 is an existing structure and technology, so this technical solution is not elaborated on, and the specific model and specifications of the driving motor 2 need to be selected and determined according to the actual specifications of the device, etc. The specific selection calculation method adopts the existing technology in this field, so it will not be described in detail. At the same time, the power supply and principle of the driving motor 2 are clear to those skilled in the art, so it will not be described in detail, and the stirring shaft 21 is fixedly connected to the output shaft of the driving motor 2, and one side of the driving motor 2 is fixedly installed on the top of the stirring machine body 1 through a bracket.

[0022] The stirring rod mechanism 3 includes two extension rods 31 , one end of the extension rod 31 is connected to the stirring shaft 21 , a fixed connecting plate 32 is installed between the two extension rods 31 and on the side away from the stirring shaft 21 , and a scraper mechanism 35 is provided on the side of the fixed connecting plate 32 away from the stirring shaft 21 .

[0023] Meanwhile, the scraper mechanism 35 includes a fixing plate 354 , a scraper body 351 , and a connecting rod 352 . The connecting rod 352 is installed at an equal distance at one end of the scraper body 351 close to the stirring shaft 21 .

[0024] At the same time, a spring 355 is installed at an equal distance on one side of the fixed plate 354 away from the stirring shaft 21, and the other end of the spring 355 is connected to the movable plate 353. A clamping groove is provided in the movable plate 353 at the corresponding connecting rod 352, and a sliding groove is provided in the movable plate 353 above the clamping groove, and a sliding groove through hole is provided on one side of the movable plate 353 at the corresponding sliding groove.

[0025] In addition, a placement cavity is opened in the fixed connecting plate 32 at the corresponding scraper mechanism 35, a card slot is opened on one side of the fixed connecting plate 32, and a limit fixing plate is arranged in the card slot, the limit fixing plate and the fixed connecting plate 32 are connected by a plurality of fixing screws, and mounting holes are opened in the limit fixing plate at the corresponding fixing screws, and threaded holes are opened in the fixed connecting plate 32 at the corresponding fixing screws, and the threaded holes are clearance-matched with the threaded portion of the fixing screws.

[0026] In addition, a limiting groove is opened in the fixed connecting plate 32 on one side close to the fixed plate 354 and below the placement cavity, and a fixing block is installed on the limiting fixing plate close to the fixed connecting plate 32 at the corresponding limiting groove, and a through hole is opened in the fixed connecting plate 32 at the corresponding connecting rod 352.

[0027] Furthermore, a plurality of first stirring rods 33 are installed at equal distances between the two extension rods 31 , and a guide plate 36 is installed on the top of the extension rod 31 , and the top of the guide plate 36 is inclined from the center to both sides.

[0028] In addition, a plurality of second stirring rods are installed at equal distances at the bottom of the extension rod 31 below the stirring shaft 21 , and the materials at the bottom of the stirring machine body 1 are mixed and stirred by the second stirring rods, thereby improving the mixing efficiency of the stirring machine body 1 .

[0029] In this embodiment, the inner wall of the mixer body 1 is scraped by the scraper body 351, and in this process, the scraper body 351 is always in contact with the inner wall of the mixer body 1 under the action of the spring 355, so that the raw materials attached to the inner wall of the mixer body 1 are scraped off, and the scraped raw materials continue to be mixed and stirred.

[0030] At the same time, when the scraper body 351 has been used for a period of time, the spring removes the fixing screw and the limit fixing plate, and then moves the movable plate 353 toward the fixed plate 354, and the fixed plate 354 and the movable plate 355 are conveniently disassembled, cleaned or replaced by the scraper body 351 through the scraper mechanism 35.

[0031] At the same time, when the stirring rod 3 moves, its guide plate 36 guides the material on the top of its extension rod 31 to prevent the material from accumulating on the top of its extension rod 31, and mixes and stirs the material in the stirring machine body 1 through the first stirring rod 33 and the second stirring rod to ensure that the material in the stirring machine body 1 is mixed more evenly.

[0032] After cleaning and replacement, the scraper body 352 drives the corresponding connecting rod 352 to align with the through hole of the fixed connecting rod 32 and move it into the placement cavity. Then, the fixed plate 354 and the movable plate 355 are aligned with their connecting rods 352 through the sliding slot through hole of the scraper mechanism 35, and the fixed plate 354 and the movable plate 355 are moved into the placement cavity. Then, the fixed plate 354 and the movable plate 355 are moved upward in the placement cavity and the connecting rod 352 is located in the corresponding clamping groove. Then, the limiting fixing plate and the fixed connecting plate 32 are installed and fixed with multiple fixing screws.

[0033] In the utility model, the scraper body 351 is used to scrape the inner wall of the mixer body 1 to scrape off the raw materials attached to the inner wall of the mixer body 1, and the scraped raw materials continue to be mixed and stirred. At the same time, the scraper body 351 is easy to disassemble, clean or replace through the scraper mechanism 35.

[0034] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A material stirring device for PLA film production, comprising a stirring body (1), characterized in that: A stirring shaft (21) is rotatably mounted inside the stirring machine body (1), the stirring shaft (21) is driven by a driving motor (2), and stirring rod mechanisms (3) are equidistantly arranged around the outer wall of the stirring shaft (21); The stirring rod mechanism (3) comprises two extension rods (31), one end of the extension rod (31) is connected to the stirring shaft (21), a fixed connection plate (32) is installed between the two extension rods (31) and on a side away from the stirring shaft (21), and a scraper mechanism (35) is provided on a side of the fixed connection plate (32) away from the stirring shaft (21).

2. A material stirring device for PLA film production according to claim 1, characterized in that: The scraper mechanism (35) comprises a fixing plate (354), a scraper body (351), and a connecting rod (352). The connecting rod (352) is equidistantly mounted on one end of the scraper body (351) close to the stirring shaft (21).

3. A material stirring device for PLA film production according to claim 2, characterized in that: A spring (355) is installed equidistantly on one side of the fixed plate (354) away from the stirring shaft (21); the other end of the spring (355) is connected to a movable plate (353); a clamping groove is provided in the movable plate (353) at the corresponding connecting rod (352); a sliding groove is provided in the movable plate (353) above the clamping groove; and a sliding groove through hole is provided on one side of the movable plate (353) at the corresponding sliding groove.

4. A material stirring device for PLA film production according to claim 1, characterized in that: A placement cavity is provided in the fixed connection plate (32) at the location corresponding to the scraper mechanism (35), a clamping groove is provided on one side of the fixed connection plate (32), and a limit fixing plate is provided in the clamping groove, and the limit fixing plate and the fixed connection plate (32) are connected by a plurality of fixing screws.

5. A material stirring device for PLA film production according to claim 4, characterized in that: A limiting groove is provided in the fixed connection plate (32) on one side close to the fixed plate (354) and below the placement cavity, and a fixing block is installed on the limiting fixing plate close to the fixed connection plate (32) and at the corresponding limiting groove.

6. A material stirring device for PLA film production according to claim 1, characterized in that: A plurality of first stirring rods (33) are installed at equal distances between the two extension rods (31), and a guide plate (36) is installed on the top of the extension rod (31), and the top of the guide plate (36) is inclined from the center to both sides.

Images