Ppa composite material extrusion device

Abstract

The utility model provides a ppa composite material extruding device which comprises an extruding pipe, a material mixing assembly is installed at the top of the extruding pipe, one end of the extruding pipe is fixedly connected with a first driving motor, a first rotating rod is arranged in the extruding pipe, and an output shaft of the first driving motor is fixedly connected with one end of the first rotating rod. A first spiral blade is mounted on the surface of the first rotating rod, an extrusion plate is mounted at the end of the extrusion pipe, a plurality of extrusion holes are formed in the surface of the extrusion plate, a third rotating rod is rotationally connected to the middle of the extrusion plate, and a material cutting assembly is mounted at the other end of the third rotating rod. And the mixed materials can be prevented from being blocked in the discharging pipe through the arranged second spiral blade, so that the extrusion efficiency is prevented from being influenced, the extruded materials can be subjected to cutting treatment through the arranged cutting assembly, and the position of a fixing ring can be adjusted, so that the granulation size of the granules can be adjusted.

Description

Technical Field

[0001] The utility model belongs to the technical field of extrusion devices, and in particular relates to a PPA composite material extrusion device. Background Art

[0002] PPA plastic in Chinese means: high temperature resistant nylon PPa. The heat deformation temperature is as high as 300℃, and the continuous use temperature can reach 170℃, which can meet the required short-term and long-term thermal properties. The raw materials need to be extruded when granulating PPA composite materials, so an extrusion device is required. After searching, it was found that the application number "202021554579.3" disclosed "a screw extruder for EPDM granule production", which recorded "including a support and a working surface, the bottom end of the support is connected to the top of the working surface, and the support supports the working surface; also includes legs, a mixing box, an electromagnetic valve, a motor bracket, a first motor, a bearing, a mixing stirring column and a belt. The bottom end of the leg is connected to the screw extrusion device, and the top end of the leg is connected to the bottom end of the mixing box. A chamber is provided in the mixing box, and the chamber A feed port and a discharge port are provided, and both the feed port and the discharge port are communicated with the chamber, an electromagnetic valve is connected to the discharge port of the chamber, the right end of the motor bracket is connected to the right end of the mixing box, the first motor is installed on the top of the motor bracket, a first transmission wheel is provided on the output end of the first motor, and the right end of the bearing is connected to the inner wall of the mixing box and is provided in the chamber. When the above extruder is in use, the mixing box and the mixing and stirring column provided can fully mix the materials, thereby improving the effect of the materials after extrusion, and the granulating device provided can pelletize the extruded materials, but the above device has certain shortcomings when in use: the materials after mixing may be blocked when entering the extrusion chamber through the electromagnetic valve, thereby causing low extrusion efficiency. Based on this, we propose an extrusion device that is more convenient to use. Utility Model Content

[0003] The utility model aims to provide a PPA composite material extrusion device, aiming to solve the problems raised in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PPA composite material extrusion device, comprising an extrusion tube, a mixing component is installed on the top of the extrusion tube, one end of the extrusion tube is fixedly connected to a first driving motor, a first rotating rod is arranged in the extrusion tube, an output shaft of the first driving motor is fixedly connected to one end of the first rotating rod, a first spiral blade is installed on the surface of the first rotating rod, a heating device is installed on the surface of the other end of the extrusion tube, and the heating device is an electric heating wire, an extrusion plate is installed at the end of the extrusion tube, a plurality of extrusion holes are opened on the surface of the extrusion plate, a third rotating rod is rotatably connected to the middle part of the extrusion plate, one end of the third rotating rod is fixedly connected to a hexagonal fixing block, one end of the first rotating rod is opened with a hexagonal slot, the hexagonal fixing block is plugged into the hexagonal slot, and a cutting component is installed on the other end of the third rotating rod;

[0005] The mixing assembly includes a feed tube installed on the top of the extrusion tube, a mixing tank is installed on the top of the feed tube, a second drive motor is installed in the middle of the top end of the mixing tank, the output shaft of the second drive motor extends into the mixing tank and is fixedly connected to one end of a second rotating rod, the other end of the second rotating rod extends into the feed tube, a stirring rod is fixedly connected to the side of the second rotating rod, and a second spiral blade is fixedly connected to the surface of one end of the second rotating rod located in the feed tube.

[0006] As a preferred technical solution of the utility model, a wedge-shaped surface is provided at the bottom of the mixing tank, and baffle plates are interspersed and connected on the top of the wedge-shaped surfaces on both sides of the mixing tank, and arc grooves are provided in the middle of the opposite sides of the two baffle plates, and a connecting plate is fixedly connected to one end of the baffle plate located on the outside, and electric push rods are fixedly connected to both sides of the discharge pipe, and the electric push rods are fixedly connected to the connecting plates on the corresponding sides.

[0007] As a preferred technical solution of the utility model, a sealing groove is provided at the end of the extrusion tube, a sealing ring is provided on one side of the extrusion plate, a first screw hole is provided at the end of the extrusion tube, and a second screw hole corresponding to the first screw hole is provided on the surface of the extrusion plate, the sealing ring is installed in the sealing groove and the first screw hole is threadedly connected to the second screw hole with a fixing bolt.

[0008] As a preferred technical solution of the utility model, the cutting assembly includes a fixing ring sleeved on the surface of the third rotating rod, both sides of the fixing ring are fixedly connected with cutting knives, and the surface of the fixing ring is threadedly connected with locking bolts.

[0009] As a preferred technical solution of the utility model, a guide groove is provided on the side of the third rotating rod, and a guide block is provided on the inner wall of the fixing ring, and the guide block is slidably connected to the guide groove.

[0010] As a preferred technical solution of the utility model, when the two baffle plates are fitted together, the first rotating rod is located in the annular hole formed by the two arc-shaped grooves.

[0011] As a preferred technical solution of the utility model, a plurality of feeding pipes are installed on the top of the mixing tank.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the material can be fully mixed by the setting of the mixing component, and the setting of the second spiral blade can prevent the mixed material from being blocked in the discharge pipe, thereby avoiding affecting the extrusion efficiency, and the setting of the cutting component can cut the extruded material, and the position of the fixed ring can be adjusted, so that the size of the granulated particles can be adjusted. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the extrusion plate in the utility model;

[0016] Figure 3 It is a structural schematic diagram of the extrusion tube and the extrusion plate of the utility model;

[0017] Figure 4 It is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 5 It is a schematic diagram of the cross-sectional structure of the mixing component of the utility model;

[0019] Figure 6 It is a structural schematic diagram of the material baffle plate and the connecting plate in the utility model.

[0020] In the figure: 1. extrusion tube; 2. mixing component; 21. feeding tube; 22. mixing tank; 23. second driving motor; 24. second rotating rod; 25. stirring rod; 26. second spiral blade; 27. wedge surface; 28. baffle plate; 29. ​​arc groove; 210. connecting plate; 211. electric push rod; 3. first driving motor; 4. first rotating rod; 5. first spiral blade; 6. heating device; 7. extrusion plate; 8. extrusion hole; 9. third rotating rod; 10. hexagonal fixing block; 11. hexagonal slot; 12. cutting component; 121. fixing ring; 122. cutting knife; 123. locking bolt; 13. sealing groove; 14. sealing ring; 15. first screw hole; 16. second screw hole; 17. fixing bolt; 18. guide groove; 19. feeding tube. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-Figure 6 The utility model provides the following technical solutions: a ppa composite material extrusion device, comprising an extrusion tube 1, a mixing component 2 is installed on the top of the extrusion tube 1, one end of the extrusion tube 1 is fixedly connected to a first drive motor 3, a first rotating rod 4 is arranged in the extrusion tube 1, the output shaft of the first drive motor 3 is fixedly connected to one end of the first rotating rod 4, a first spiral blade 5 is installed on the surface of the first rotating rod 4, a heating device 6 is installed on the other end surface of the extrusion tube 1, an extrusion plate 7 is installed at the end of the extrusion tube 1, a plurality of extrusion holes 8 are opened on the surface of the extrusion plate 7, a third rotating rod 9 is rotatably connected to the middle part of the extrusion plate 7, one end of the third rotating rod 9 is fixedly connected to a hexagonal fixing block 10, one end of the first rotating rod 4 is opened with a hexagonal slot 11, the hexagonal fixing block 10 is plugged into the hexagonal slot 11, and a cutting component 12 is installed on the other end of the third rotating rod 9.

[0023] In this embodiment, the mixing component 2 includes a feed tube 21 installed on the top of the extrusion tube 1, a mixing tank 22 is installed on the top of the feed tube 21, and a second drive motor 23 is installed in the middle of the top of the mixing tank 22. The output shaft of the second drive motor 23 extends into the mixing tank 22 and is fixedly connected to one end of the second rotating rod 24. The other end of the second rotating rod 24 extends into the feed tube 21, and a stirring rod 25 is fixedly connected to the side of the second rotating rod 24. The second spiral blade 26 is fixedly connected to the surface of one end of the second rotating rod 24 located in the feed tube 21.

[0024] Specifically, the second driving motor 23 drives the second rotating rod 24 to rotate, so that the material in the mixing tank 22 can be fully mixed by the stirring rod 25. When the mixed material is transported to the extrusion tube 1 through the discharge pipe 21, the second rotating rod 24 drives the second spiral blade 26 to rotate, thereby preventing the material from being blocked in the discharge pipe 21 and affecting the extrusion efficiency.

[0025] In this embodiment, a wedge-shaped surface 27 is provided at the bottom of the mixing tank 22, and baffle plates 28 are inserted and connected on both sides of the mixing tank 22 at the top of the wedge-shaped surface 27. Arc grooves 29 are opened in the middle of the opposite sides of the two baffle plates 28, and a connecting plate 210 is fixedly connected to the outer end of the baffle plate 28. Electric push rods 211 are fixedly connected to the connecting plates 210 on the corresponding sides. When the two baffle plates 28 are attached, the first rotating rod 4 is located in the annular hole formed by the two arc grooves 29.

[0026] Specifically, the wedge-shaped surface 27 is provided to facilitate the mixed material to fall into the discharge pipe 21, and the baffle plate 28 is provided to enable the stirring rod 25 to fully mix the material. After the mixing is completed, the connecting plate 210 is pushed to move by the electric push rod 211, so that the connecting plate 210 drives the baffle plate 28 to move outward, and then the mixed material can fall into the bottom of the mixing tank 22 and be discharged through the discharge pipe 21.

[0027] In this embodiment, a sealing groove 13 is provided at the end of the extrusion tube 1, a sealing ring 14 is provided on one side of the extrusion plate 7, a first screw hole 15 is provided at the end of the extrusion tube 1, and a second screw hole 16 corresponding to the first screw hole 15 is provided on the surface of the extrusion plate 7. The sealing ring 14 is installed in the sealing groove 13 and the first screw hole 15 is threadedly connected to the second screw hole 16 with a fixing bolt 17.

[0028] Specifically, the extrusion plate 7 is fixed by the fixing bolts 17 after aligning the first screw hole 15 and the second screw hole 16 , and the sealing ring 14 cooperates with the sealing groove 13 to improve the sealing between the extrusion plate 7 and the extrusion tube 1 .

[0029] In this embodiment, the cutting assembly 12 includes a fixing ring 121 sleeved on the surface of the third rotating rod 9 , cutters 122 are fixedly connected to both sides of the fixing ring 121 , and locking bolts 123 are threadedly connected to the surface of the fixing ring 121 .

[0030] Specifically, when the first driving motor 3 drives the first rotating rod 4 to rotate, since the hexagonal fixing block 10 is inserted into the hexagonal slot 11, the first rotating rod 4 will drive the third rotating rod 9 to rotate, and the fixing ring 121 is sleeved on the surface of the third rotating rod 9 and the position of the fixing ring 121 is fixed by the locking bolt 123, so that the size of the cut material can be adjusted, and when the third rotating rod 9 drives the cutter 122 to rotate, the material extruded through the extrusion hole 8 can be pelletized.

[0031] In this embodiment, a guide groove 18 is formed on the side of the third rotating rod 9 , and a guide block is disposed on the inner wall of the fixing ring 121 , and the guide block is slidably connected to the guide groove 18 .

[0032] Specifically, the guide block cooperates with the guide groove 18 to facilitate quick installation of the fixing ring 121 , and the guide groove 18 can more conveniently adjust the position of the fixing ring 121 .

[0033] In this embodiment, a plurality of feeding pipes 19 are installed at the top of the mixing tank 22 .

[0034] Specifically, the feed pipe 19 is provided to facilitate feeding the composite material into the mixing tank 22 .

[0035] Working principle: After the material is fed into the mixing component 2 through the feed pipe 19, the material is fully mixed by the mixing component 2, and the second spiral blade 26 is provided to prevent the material from being blocked in the discharge pipe 21. After the material enters the extrusion tube 1, the first driving motor 3 drives the first rotating rod 4 to rotate, so that the first spiral blade 5 drives the material to be transported, and the material is heated and melted by the provided heating device 6, and the molten material is extruded through the extrusion hole 8, and after extrusion, it is granulated by the cutting component 12, and the position of the cutting component 12 is adjustable, so as to facilitate the adjustment of the granulation size, and the extrusion plate 7 is detachable, so as to facilitate the cleaning of the extrusion tube 1.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A PPA composite material extrusion device, comprising an extrusion tube (1), characterized in that: A mixing assembly (2) is installed on the top of the extrusion tube (1), one end of the extrusion tube (1) is fixedly connected to a first driving motor (3), a first rotating rod (4) is arranged inside the extrusion tube (1), an output shaft of the first driving motor (3) is fixedly connected to one end of the first rotating rod (4), a first spiral blade (5) is installed on the surface of the first rotating rod (4), a heating device (6) is installed on the other end surface of the extrusion tube (1), an extrusion plate (7) is installed at the end of the extrusion tube (1), a plurality of extrusion holes (8) are provided on the surface of the extrusion plate (7), a third rotating rod (9) is rotatably connected to the middle of the extrusion plate (7), one end of the third rotating rod (9) is fixedly connected to a hexagonal fixing block (10), one end of the first rotating rod (4) is provided with a hexagonal slot (11), the hexagonal fixing block (10) is plugged into the hexagonal slot (11), and a cutting assembly (12) is installed on the other end of the third rotating rod (9); The mixing assembly (2) comprises a feed tube (21) mounted on the top of the extrusion tube (1); a mixing tank (22) is mounted on the top of the feed tube (21); a second drive motor (23) is mounted in the middle of the top of the mixing tank (22); an output shaft of the second drive motor (23) extends into the mixing tank (22) and is fixedly connected to one end of a second rotating rod (24); the other end of the second rotating rod (24) extends into the feed tube (21); a stirring rod (25) is fixedly connected to the side of the second rotating rod (24); and a second spiral blade (26) is fixedly connected to the surface of one end of the second rotating rod (24) located in the feed tube (21).

2. A ppa composite material extrusion device according to claim 1, characterized in that: The mixing tank (22) is provided with a wedge-shaped surface (27) at the bottom, and baffle plates (28) are interlaced and connected at the top of the wedge-shaped surface (27) on both sides of the mixing tank (22), and arc grooves (29) are provided in the middle of the opposite sides of the two baffle plates (28), and a connecting plate (210) is fixedly connected to one end of the baffle plate (28) located at the outside, and electric push rods (211) are fixedly connected to the two sides of the discharge pipe (21), and the electric push rods (211) are fixedly connected to the connecting plates (210) on the corresponding sides.

3. A ppa composite material extrusion device according to claim 1, characterized in that: A sealing groove (13) is provided at the end of the extrusion tube (1), a sealing ring (14) is provided on one side of the extrusion plate (7), a first screw hole (15) is provided at the end of the extrusion tube (1), a second screw hole (16) corresponding to the first screw hole (15) is provided on the surface of the extrusion plate (7), the sealing ring (14) is installed in the sealing groove (13), and the first screw hole (15) is threadedly connected to the second screw hole (16) with a fixing bolt (17).

4. A ppa composite material extrusion device according to claim 1, characterized in that: The cutting assembly (12) comprises a fixing ring (121) sleeved on the surface of the third rotating rod (9), cutting knives (122) are fixedly connected to both sides of the fixing ring (121), and locking bolts (123) are threadedly connected to the surface of the fixing ring (121).

5. A PPA composite material extrusion device according to claim 4, characterized in that: A guide groove (18) is provided on the side of the third rotating rod (9), and a guide block is provided on the inner wall of the fixing ring (121), wherein the guide block is slidably connected to the guide groove (18).

6. A PPA composite material extrusion device according to claim 2, characterized in that: When the two material blocking plates (28) are fitted together, the first rotating rod (4) is located in the annular hole formed by the two arc-shaped grooves (29).

7. A ppa composite material extrusion device according to claim 1, characterized in that: A plurality of feeding pipes (19) are installed at the top of the mixing tank (22).

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