Double-screw extruder for modified plastic production

Abstract

The utility model discloses a double-screw extruder for modified plastic production, which comprises a double-screw extruder, and an impurity screening and collecting component is fixedly mounted on the outer surface of the upper end of the double-screw extruder. The impurity screening and collecting assembly comprises a first supporting frame, a screening box, a first material guiding cone, a second material guiding cone, a feeding pipe, a crushed material impurity discharging opening, a material collecting tank, a mounting frame, a gear motor, a second supporting frame, a rotating shaft, a third supporting frame, a mesh screen drum, a fourth supporting frame, a raw material feeding hopper, an observation window and an internal thread. And the outer surface of the lower end of the feeding pipe is fixedly connected with a feeding hole in the upper part of the double-screw extruder. According to the double-screw extruder for modified plastic production, the impurity screening and collecting assembly is arranged, the mesh screen drum can be conveniently driven to operate through the gear motor, disintegrating slag can be screened during feeding, disintegrating slag impurities can be conveniently collected through the material collecting tank, and assembling and disassembling are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of modified plastic production and processing equipment, in particular to a twin-screw extruder for modified plastic production. Background Art

[0002] In the prior art, when the modified plastic is fed, the modified plastic contains crushed materials, which are doped with impurities. Firstly, adding too much crushed materials will affect the mechanical properties of the product, reducing its strength and toughness. Secondly, the impurities will affect the appearance of the product and cause it to be scrapped.

[0003] To this end, we propose a twin-screw extruder for producing modified plastics. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a twin-screw extruder for the production of modified plastics, which is convenient for removing debris and impurities in the modified plastics and for collecting the debris and impurities separately, and can effectively solve the problems in the background technology.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a twin-screw extruder for modified plastic production, including a twin-screw extruder, an impurity screening and collecting component is fixedly installed on the upper outer surface of the twin-screw extruder, and the impurity screening and collecting component includes a first support frame, a screen box, a first material guide cone, a second material guide cone, a feed pipe, a crushed material impurity discharge port, a collecting tank, a mounting frame, a reduction motor, a second support frame, a rotating shaft, a third support frame, a mesh screen cylinder, a fourth support frame, a raw material feed hopper, an observation window and an internal thread, and the lower end outer surface of the feed pipe is fixedly connected to the feed port on the upper part of the twin-screw extruder, and the first support frame is fixedly installed on the upper end outer surface of the twin-screw extruder.

[0008] Preferably, the screen box is fixedly installed on the upper outer surface of the first support frame, the mounting frame is fixedly installed on the upper part of the outer surface of the left end of the screen box, the second support frame is fixedly installed on the middle part of the right end of the upper outer surface of the screen box, the fourth support frame is fixedly installed on the middle part of the left end of the upper outer surface of the screen box, and the raw material feed hopper is fixedly installed on the upper outer surface of the fourth support frame.

[0009] Preferably, both ends of the mesh screen cylinder are open, and there are two groups of the third support frames, which are fixedly installed between the outer wall of the rotating shaft and the inner wall of the mesh screen cylinder.

[0010] Preferably, the reduction motor is fixedly mounted on the upper outer surface of the mounting frame, the rotating shaft is connected to the outer surface of one end of the output shaft in the reduction motor, the end of the rotating shaft away from the reduction motor is connected to the second support frame, and the lower end of the raw material feed hopper extends into the upper part of the inner cavity of the mesh screen cylinder.

[0011] Preferably, a sealed bearing is arranged between the rotating shaft and the second support frame, the rotating shaft is rotatably connected to the second support frame through the sealed bearing, a coupling is arranged between the rotating shaft and the reduction motor, and the outer surface of one end of the rotating shaft is fixedly connected to the outer surface of one end of the output shaft in the reduction motor through the coupling.

[0012] Preferably, the first material guide cone is fixedly installed on the left side of the outer surface of the lower end of the screen box, the second material guide cone is fixedly installed on the right side of the outer surface of the lower end of the screen box, the feed pipe is fixedly installed on the outer surface of the lower end of the second material guide cone, the crushed material and impurity discharge outlet is located on the outer surface of the lower end of the first material guide cone, and the outer wall of the first material guide cone is provided with an external thread, the upper end of the inner cavity of the aggregate tank is provided with an internal thread, an observation window is provided on one side of the aggregate tank, and the aggregate tank is threadedly connected to the crushed material and impurity discharge outlet through the internal thread.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides a twin-screw extruder for the production of modified plastics, which has the following beneficial effects:

[0015] 1. The twin-screw extruder for modified plastic production is provided with an impurity screening and collecting assembly, which facilitates the operation of the mesh screen drum driven by a reduction motor, so as to screen the crushed slag when feeding.

[0016] 2. The twin-screw extruder for producing modified plastics is convenient for collecting debris and impurities through the set collecting tank, and is convenient for assembly and disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The utility model is a schematic diagram of the overall structure of a twin-screw extruder for producing modified plastics.

[0018] Figure 2 The utility model is a schematic structural diagram of an impurity screening and collecting component in a twin-screw extruder for producing modified plastics.

[0019] Figure 3 The utility model is a schematic diagram of the partial structure of an impurity screening and collecting component in a twin-screw extruder for producing modified plastics.

[0020] Figure 4 The utility model is a schematic structural diagram of a collecting tank in a twin-screw extruder for producing modified plastics.

[0021] In the figure: 1. twin-screw extruder; 2. impurity screening and collecting assembly; 3. first support frame; 4. screen box; 5. first guide cone; 6. second guide cone; 7. feed pipe; 8. crushed material and impurity discharge port; 9. collecting tank; 10. mounting frame; 11. reduction motor; 12. second support frame; 13. rotating shaft; 14. third support frame; 15. mesh screen cylinder; 16. fourth support frame; 17. raw material feed hopper; 19. observation window; 20. internal thread. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] This embodiment is a twin-screw extruder for producing modified plastics.

[0024] like Figure 1-4 As shown, it includes a twin-screw extruder 1, and an impurity screening and collecting component 2 is fixedly installed on the upper outer surface of the twin-screw extruder 1. The impurity screening and collecting component 2 includes a first support frame 3, a screen box 4, a first guide cone 5, a second guide cone 6, a feed pipe 7, a crushed material impurity discharge port 8, a collecting tank 9, a mounting frame 10, a reduction motor 11, a second support frame 12, a rotating shaft 13, a third support frame 14, a mesh screen cylinder 15, a fourth support frame 16, a raw material feed hopper 17, an observation window 19 and an internal thread 20, and the lower end outer surface of the feed pipe 7 is fixedly connected to the feed port on the upper part of the twin-screw extruder 1, and the first support frame 3 is fixedly installed on the upper end outer surface of the twin-screw extruder 1.

[0025] The screen box 4 is fixedly mounted on the upper outer surface of the first support frame 3, the mounting frame 10 is fixedly mounted on the upper part of the outer surface of the left end of the screen box 4, the second support frame 12 is fixedly mounted on the middle part of the right end of the upper outer surface of the screen box 4, the fourth support frame 16 is fixedly mounted on the middle part of the left end of the upper outer surface of the screen box 4, and the raw material feed hopper 17 is fixedly mounted on the upper outer surface of the fourth support frame 16; both ends of the mesh screen cylinder 15 are open, and the number of the third support frames 14 is two groups, and the two groups of third support frames 14 are fixedly mounted between the outer wall of the rotating shaft 13 and the inner wall of the mesh screen cylinder 15; the reduction motor 11 is fixedly mounted on the upper outer surface of the mounting frame 10, the rotating shaft 13 is connected to the outer surface of one end of the output shaft in the reduction motor 11, and the end of the rotating shaft 13 away from the reduction motor 11 is connected to the second support frame 12, and the lower end of the raw material feed hopper 17 extends into the inner cavity of the mesh screen cylinder 15 The upper part of the rotating shaft 13; a sealed bearing is arranged between the rotating shaft 13 and the second support frame 12, and the rotating shaft 13 is rotatably connected to the second support frame 12 through the sealed bearing, and a coupling is arranged between the rotating shaft 13 and the reduction motor 11, and the outer surface of one end of the rotating shaft 13 is fixedly connected to the outer surface of one end of the output shaft in the reduction motor 11 through the coupling; the first guide cone 5 is fixedly installed on the left side of the outer surface of the lower end of the screen box 4, the second guide cone 6 is fixedly installed on the right side of the outer surface of the lower end of the screen box 4, the feed pipe 7 is fixedly installed on the outer surface of the lower end of the second guide cone 6, the crushed impurity discharge port 8 is located on the outer surface of the lower end of the first guide cone 5, and the outer wall of the first guide cone 5 is provided with an external thread, the upper end of the inner cavity of the aggregate tank 9 is provided with an internal thread 20, and an observation window 19 is arranged on one side of the aggregate tank 9, and the aggregate tank 9 is threadedly connected with the crushed impurity discharge port 8 through the internal thread 20.

[0026] It should be noted that the utility model is a twin-screw extruder for the production of modified plastics. The twin-screw extruder 1 described in the text belongs to the prior art and can be effectively known to the technicians in the relevant technical field, and the specific details are not repeated here. The material with the material is sent to the raw material feed hopper 17 through the external auger conveyor, and the raw material feed hopper 17 sends the material to the mesh screen cylinder 15. The rotation of the reduction motor 11 drives the rotating shaft 13 to rotate, and the rotating shaft 13 drives the mesh screen cylinder 15 to rotate through the third support frame 14, and the mesh screen cylinder 15 has a certain inclination, which is convenient for the mesh screen When the cylinder 15 rotates, the material is screened, and the broken impurities are guided through the first guide cone 5, and then enter the aggregate tank 9 through the broken impurity discharge port 8 for collection. The aggregate tank 9 is threadedly connected to the broken impurity discharge port 8 through the internal thread 20, which is convenient for assembly and disassembly. In addition, an observation window 19 is provided on the outer wall of the aggregate tank 9, which is convenient for observing the amount of material inside the aggregate tank 9; the good material is discharged through the bottom of the mesh screen cylinder 15, and then guided through the second guide cone 6, and enters the twin-screw extruder 1 through the feed pipe 7, so as to realize screening and feeding, thereby improving the quality of the product.

[0027] It should be noted that, in this article, relational terms such as first and second (number one, number two), etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "including one..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0028] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A twin-screw extruder for producing modified plastics, comprising a twin-screw extruder (1), Features: An impurity screening and collecting assembly (2) is fixedly mounted on the outer surface of the upper end of the twin-screw extruder (1), and the impurity screening and collecting assembly (2) comprises a first support frame (3), a screen box (4), a first guide cone (5), a second guide cone (6), a feed pipe (7), a crushed material impurity discharge port (8), a collection tank (9), a mounting frame (10), a reduction motor (11), a second support frame (12), a rotating shaft (13), a third support frame (14), a mesh screen cylinder (15), a fourth support frame (16), a raw material feed hopper (17), an observation window (19) and an internal thread (20), and the outer surface of the lower end of the feed pipe (7) is fixedly connected to the feed port at the upper part of the twin-screw extruder (1), and the first support frame (3) is fixedly mounted on the outer surface of the upper end of the twin-screw extruder (1).

2. A twin-screw extruder for modified plastic production according to claim 1, Features: The screen box (4) is fixedly mounted on the upper outer surface of the first support frame (3), the mounting frame (10) is fixedly mounted on the upper part of the left outer surface of the screen box (4), the second support frame (12) is fixedly mounted on the middle part of the right end of the upper outer surface of the screen box (4), the fourth support frame (16) is fixedly mounted on the middle part of the left end of the upper outer surface of the screen box (4), and the raw material feed hopper (17) is fixedly mounted on the upper outer surface of the fourth support frame (16).

3. A twin-screw extruder for modified plastic production according to claim 2, Features: Both ends of the mesh screen cylinder (15) are open, and the number of the third support frames (14) is two groups, and the two groups of the third support frames (14) are fixedly installed between the outer wall of the rotating shaft (13) and the inner wall of the mesh screen cylinder (15).

4. A twin-screw extruder for producing modified plastics according to claim 3, Features: The reduction motor (11) is fixedly mounted on the outer surface of the upper end of the mounting frame (10), the rotating shaft (13) is connected to the outer surface of one end of the output shaft in the reduction motor (11), the end of the rotating shaft (13) away from the reduction motor (11) is connected to the second support frame (12), and the lower end of the raw material feed hopper (17) extends into the upper part of the inner cavity of the mesh screen cylinder (15).

5. A twin-screw extruder for producing modified plastics according to claim 4, Features: A sealed bearing is provided between the rotating shaft (13) and the second support frame (12); the rotating shaft (13) is rotatably connected to the second support frame (12) via the sealed bearing; a coupling is provided between the rotating shaft (13) and the reduction motor (11); an outer surface of one end of the rotating shaft (13) is fixedly connected to an outer surface of one end of an output shaft in the reduction motor (11) via the coupling.

6. A twin-screw extruder for producing modified plastics according to claim 5, Features: The first material guide cone (5) is fixedly mounted on the left side of the outer surface of the lower end of the screen box (4), the second material guide cone (6) is fixedly mounted on the right side of the outer surface of the lower end of the screen box (4), the feed pipe (7) is fixedly mounted on the outer surface of the lower end of the second material guide cone (6), the crushed material and impurity discharge port (8) is located on the outer surface of the lower end of the first material guide cone (5), and the outer wall of the first material guide cone (5) is provided with an external thread, the upper end of the inner cavity of the collecting tank (9) is provided with an internal thread (20), and an observation window (19) is provided on one side of the collecting tank (9), and the collecting tank (9) is threadedly connected to the crushed material and impurity discharge port (8) through the internal thread (20).

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