Double-screw extruder for color master batch production

Abstract

The utility model relates to the technical field of color master batch processing, in particular to a double-screw extruder for color master batch production, which comprises a color master batch double-screw extruder body, a feeding pipe is communicated with the top of the color master batch double-screw extruder body, a feeding hopper is communicated with the top of the feeding pipe, and an annular seat is fixedly arranged on the top wall of the feeding hopper. A cleaning assembly is arranged on the annular seat, a driving assembly is arranged on the outer wall of the feeding hopper and matched with the cleaning assembly, an inner gear ring is driven by a driving motor to rotate, an L-shaped frame can be driven, an annular frame can rotate in an annular groove, and furthermore, the inner wall of the feeding hopper can be scraped and cleaned by a scraping plate; color master batch raw materials can be stirred and mixed, meanwhile, the cleaning assembly can be integrally taken out of the feeding hopper and used according to needs, and the use flexibility of the structure is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of masterbatch processing, in particular to a double-screw extruder used for masterbatch production. Background Art

[0002] The full name of masterbatch is masterbatch, also called color seed. It is a new type of colorant specially used for polymer materials, also known as pigment preparation. Masterbatch is mainly used in plastics. Existing single-screw and double-screw extruders are used to produce masterbatch.

[0003] Patent Publication No.: CN220576580U discloses a masterbatch extruder, including a shell, one side of the top end of the outer wall of the shell is fixedly connected to a storage tank, the end of the storage tank away from the shell is fixedly connected to a feed pipe, the inner wall of the shell and located below the storage tank is provided with an extrusion component, and the end of the shell away from the storage tank is provided with a mold replacement assembly for replacing the extrusion mold. In the utility model, a conversion motor can be provided to drive the fixed disk and the fixed ring to rotate, and the fixed ring can be provided with extrusion molds of different shapes. Through the above method, it can be known that the utility model can improve the replacement efficiency of the extrusion mold, and at the same time, there is no need to cool the extruder during replacement, so it can improve the processing and production efficiency of the masterbatch to a certain extent, so that it is more convenient for personnel to use.

[0004] When the above disclosed structure is in use, the storage tank is not easy to clean. During production, if materials of different colors remain, it will affect the quality of the produced masterbatch. At the same time, if colored masterbatch is produced, the raw materials need to be mixed separately outside the structure before being put into use, and the practicality needs to be improved. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies of the prior art, the utility model provides a twin-screw extruder for producing masterbatch.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a twin-screw extruder for masterbatch production, comprising a masterbatch twin-screw extruder main body, a feed pipe is connected to the top of the masterbatch twin-screw extruder main body, a feeding hopper is connected to the top of the feed pipe, an annular seat is fixedly provided on the top wall of the feeding hopper, a cleaning assembly is provided on the annular seat, a driving assembly is provided on the outer wall of the feeding hopper, the driving assembly cooperates with the cleaning assembly, the cleaning assembly comprises an annular frame, a support column, an L-shaped frame and a scraper, an annular groove is provided on the top of the annular seat, the annular frame is placed in the annular groove, a plurality of groups of support columns are fixedly provided on the top wall of the annular frame and are symmetrically distributed, an L-shaped frame is fixedly provided on the top end face of the support column, a connecting handle is detachably provided on the side of the L-shaped frame close to the inside of the feeding hopper, and the connecting handle contacts the inner wall of the feeding hopper.

[0009] In order to facilitate the driving of the cleaning component to rotate, the utility model has been improved. The driving component includes a driving motor, a gear and an inner gear ring. The inner gear ring is fixedly arranged on the bottom end face of the L-shaped frame outside the feeding hopper. The inner gear ring surrounds the outside of the feeding hopper. A driving motor is fixedly arranged on one side of the outer wall of the feeding hopper. A gear is fixedly arranged on the output end of the driving motor, and the gear is meshed with the inner gear ring.

[0010] In order to facilitate the maintenance of the scraper, the utility model has the following improvements: a groove is provided at the end face of the L-shaped frame close to the inside of the feeding hopper, a connecting handle is fixedly provided on the top of the scraper, a fixing sleeve is fixedly provided on one side of the top of the connecting handle, a fixing column is fixedly provided on the top end face of the L-shaped frame on one side of the groove, the connecting handle is matched with the groove, the fixing sleeve is sleeved on the fixing column, and the fixing sleeve and the fixing column are connected by screws.

[0011] In order to improve the smoothness of the rotation of the annular frame, the utility model has the following improvements: a plurality of groups of ball grooves are arranged on the bottom end surface of the annular frame, balls are rotatably arranged in the ball grooves, a plurality of groups of cylindrical grooves are arranged on the inner and outer ring walls of the annular frame, and a cylindrical rotor is rotatably arranged in the cylindrical grooves.

[0012] In order to facilitate the stirring of materials, the utility model is improved in that multiple groups of scrapers are connected with multiple groups of stirring rods by screws.

[0013] In order to increase the stability of the feeding hopper, the utility model is improved in that a plurality of groups of stabilizing frames are fixedly arranged between the outer wall of the feeding hopper and the main body of the masterbatch double-screw extruder.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a twin-screw extruder for masterbatch production that is easy to clean and stir and mix raw materials, and has the following beneficial effects:

[0016] The double-screw extruder for masterbatch production can drive the inner gear ring to rotate by a driving motor, which can drive the L-shaped frame to rotate in the annular groove, and further can make the scraper scrape and clean the inner wall of the feeding hopper, and by adding a stirring rod, the masterbatch raw materials can be stirred and mixed, and the cleaning component can be taken out of the feeding hopper as a whole and used as needed, thereby improving the use flexibility of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 For this utility model Figure 1 Schematic diagram of the structure from another perspective;

[0019] Figure 3 This is a schematic diagram of the structure of the cleaning component of the utility model;

[0020] Figure 4 For this utility model Figure 2 A schematic diagram of the structure enlargement in the middle;

[0021] Figure 5 This is a schematic diagram of another perspective of the structure of the annular frame of the present invention;

[0022] In the figure: 1. Main body of the masterbatch twin-screw extruder; 2. Feed pipe; 3. Feeding hopper; 4. Ring seat; 5. Ring frame; 6. Support column; 7. L-shaped frame; 8. Scraper; 9. Connecting handle; 10. Fixed sleeve; 11. Fixed column; 12. Stirring rod; 13. Internal gear ring; 14. Gear; 15. Ball; 16. Cylindrical rotor; 17. Stabilizing frame; 18. Driving motor. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-5A twin-screw extruder for masterbatch production comprises a twin-screw extruder body 1 for masterbatch, a feed pipe 2 is connected to the top of the twin-screw extruder body 1, a hopper 3 is connected to the top of the feed pipe 2, an annular seat 4 is fixedly arranged on the top wall of the hopper 3, a cleaning assembly is arranged on the annular seat 4, a driving assembly is arranged on the outer wall of the hopper 3, the driving assembly cooperates with the cleaning assembly, the cleaning assembly comprises an annular frame 5, a support column 6, an L-shaped frame 7 and a scraper 8, an annular groove is arranged on the top of the annular seat 4, the annular frame 5 is placed in the annular groove, a plurality of groups of support columns 6 are fixedly arranged on the top wall of the annular frame 5 and are symmetrically distributed, an L-shaped frame 7 is fixedly arranged on the top end face of the support column 6, a connecting handle 9 is detachably arranged on the side of the L-shaped frame 7 close to the inside of the hopper 3, and the connecting handle 9 contacts the inner wall of the hopper 3.

[0025] The above-mentioned driving assembly can be any one. The present application provides an embodiment, in which the driving assembly includes a driving motor 18, a gear 14 and an inner gear ring 13. The inner gear ring 13 is fixedly provided on the bottom end face of the L-shaped frame 7 located outside the feeding hopper 3. The inner gear ring 13 surrounds the outside of the feeding hopper 3. A driving motor 18 is fixedly provided on one side of the outer wall of the feeding hopper 3. A gear 14 is fixedly provided on the output end of the driving motor 18, and the gear 14 is meshed with the inner gear ring 13; the driving motor 18 drives the gear 14 to rotate, and drives the inner gear ring 13 to rotate, thereby driving the cleaning assembly to rotate.

[0026] The above-mentioned scraper 8 needs to be easy to maintain after being used for a period of time. In order to meet the above-mentioned needs, a groove is provided at the end face of one side of the L-shaped frame 7 near the inner side of the feeding hopper 3, a connecting handle 9 is fixedly provided on the top of the scraper 8, and a fixing sleeve 10 is fixedly provided on one side of the top of the connecting handle 9. The top end face of the L-shaped frame 7 is located on one side of the groove and a fixing column 11 is fixedly provided. The connecting handle 9 is adapted to the groove, and the fixing sleeve 10 is sleeved on the fixing column 11, and the fixing sleeve 10 and the fixing column 11 are connected by screws; the fixing sleeve 10 is sleeved on the fixing column 11, and the connecting handle 9 is inserted in the groove, which can respectively fix the scraper 8, so that the scraper 8 is more stable in the feeding hopper 3. By removing the screws, the scraper 8 can be removed from the L-shaped frame 7 for cleaning and maintenance; the cleaning component can be raised as a whole in the feeding hopper 3. When cleaning is needed, or when the material is easy to stick to the inner wall of the feeding hopper 3, the cleaning component is reset, thereby improving the flexibility of use of this structure.

[0027] The annular frame 5 is prone to jamming when rotating in the annular groove. In order to avoid the above situation, a plurality of groups of ball grooves are provided on the bottom end face of the annular frame 5, and balls 15 are rotatably provided in the ball grooves. A plurality of groups of cylindrical grooves are provided on the inner and outer ring walls of the annular frame 5, and a cylindrical rotor 16 is rotatably provided in the cylindrical grooves. Through the arrangement of the balls 15 and the cylindrical rotor 16, the annular frame 5 can rotate more smoothly in the annular groove.

[0028] The above structure cannot stir the material when in use. In order to solve the above problem, multiple groups of scrapers 8 are connected with multiple groups of stirring rods 12 by screws. When the masterbatch raw materials need to be mixed, the cleaning assembly can be rotated to drive the stirring rods 12 to rotate. The rotation of the stirring rods 12 can stir and mix the masterbatch raw materials.

[0029] The above-mentioned cleaning component is likely to cause the feeding hopper 3 to shake when in use. In order to solve the above-mentioned problem, a plurality of sets of stabilizing frames 17 are fixedly arranged between the outer wall of the feeding hopper 3 and the main body 1 of the masterbatch twin-screw extruder. By adding the stabilizing frames 17, the stability of the feeding hopper 3 can be increased to prevent the feeding hopper 3 from tipping over.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A twin-screw extruder for masterbatch production, comprising a masterbatch twin-screw extruder body (1), a feed pipe (2) being connected to the top of the masterbatch twin-screw extruder body (1), a feed hopper (3) being connected to the top of the feed pipe (2), and the characteristics are: An annular seat (4) is fixedly provided on the top wall of the feeding hopper (3), a cleaning assembly is provided on the annular seat (4), a driving assembly is provided on the outer wall of the feeding hopper (3), the driving assembly cooperates with the cleaning assembly, the cleaning assembly comprises an annular frame (5), a supporting column (6), an L-shaped frame (7) and a scraper (8), an annular groove is provided on the top of the annular seat (4), the annular frame (5) is placed in the annular groove, a plurality of groups of supporting columns (6) are fixedly provided on the top wall of the annular frame (5) and are symmetrically distributed, an L-shaped frame (7) is fixedly provided on the top end surface of the supporting column (6), a connecting handle (9) is detachably provided on one side of the L-shaped frame (7) close to the inside of the feeding hopper (3), and the connecting handle (9) contacts the inner wall of the feeding hopper (3).

2. A twin-screw extruder for masterbatch production according to claim 1, characterized in that: The driving assembly comprises a driving motor (18), a gear (14) and an inner gear ring (13); the inner gear ring (13) is fixedly arranged on the bottom end surface of the L-shaped frame (7) located outside the feeding hopper (3); the inner gear ring (13) surrounds the outside of the feeding hopper (3); the driving motor (18) is fixedly arranged on one side of the outer wall of the feeding hopper (3); the gear (14) is fixedly arranged on the output end of the driving motor (18); the gear (14) is meshed with the inner gear ring (13).

3. A twin-screw extruder for masterbatch production according to claim 2, characterized in that: A groove is provided at an end surface of one side of the L-shaped frame (7) close to the inside of the charging hopper (3); a connecting handle (9) is fixedly provided at the top of the scraper (8); a fixing sleeve (10) is fixedly provided at one side of the top of the connecting handle (9); a fixing column (11) is fixedly provided at the top end surface of the L-shaped frame (7) on one side of the groove; the connecting handle (9) is matched with the groove; the fixing sleeve (10) is sleeved on the fixing column (11); and the fixing sleeve (10) and the fixing column (11) are connected by screws.

4. A twin-screw extruder for masterbatch production according to claim 3, characterized in that: A plurality of groups of ball grooves are arranged on the bottom end surface of the annular frame (5), and balls (15) are rotatably arranged in the ball grooves. A plurality of groups of columnar grooves are arranged on the inner ring wall and the outer ring wall of the annular frame (5), and a columnar rotor (16) is rotatably arranged in the columnar grooves.

5. A twin-screw extruder for masterbatch production according to claim 4, characterized in that: Multiple groups of scrapers (8) are connected to each other via screws to form multiple groups of stirring rods (12).

6. A twin-screw extruder for masterbatch production according to claim 5, characterized in that: A plurality of groups of stabilizing frames (17) are fixedly arranged between the outer wall of the feeding hopper (3) and the main body (1) of the masterbatch twin-screw extruder.

Images