Mixing device of granulator for antistatic modified plastic particles

Abstract

The utility model provides a mixing device of a granulator for antistatic modified plastic particles, which comprises a barrel body, a main rotating shaft arranged at the center of the barrel body in a penetrating manner, a main driving mechanism fixedly arranged at the bottom of the barrel body, a stirring seat fixedly sleeved at the top of the main rotating shaft, and stirring blades fixedly arranged at the bottom of the stirring seat, an auxiliary stirring mechanism is arranged on the inner wall of the bottom of the barrel body and comprises a rotating seat fixed to the inner wall of the bottom of the barrel body, an auxiliary rotating shaft rotationally connected to the rotating seat, a material pushing auger arranged at the end of the outer side of the auxiliary rotating shaft and an auxiliary driving mechanism arranged at the end of the inner side of the auxiliary rotating shaft. When the auxiliary driving mechanism drives the auxiliary rotating shaft to rotate circumferentially, the material pushing auger pushes the materials to approach the stirring blades in the radial direction of the barrel body, so that the materials in the middle of the barrel body can be fully stirred by the stirring blades, and the mixing efficiency of the mixing device is improved. Furthermore, the auger can also drive the materials in the barrel body to rotate, so that the mixing efficiency of the mixing device is further improved.

Description

Technical Field

[0001] The utility model relates to a granulator, in particular to a mixing device of a granulator for antistatic modified plastic particles. Background Art

[0002] At present, a Chinese patent with the publication number CN206718164U discloses a vertical mixer, which includes a cylindrical barrel body, a mounting frame fixedly supported on the lower side of the barrel body, and a stirring rod passing through the inside of the barrel body for stirring. A motor for driving the stirring rod to rotate is fixedly installed on the lower side of the barrel body. An indicator light for indicating and reminding is installed on the side wall of the barrel body. An installation pipe vertically extends in the center of the barrel body, and the stirring rod passes through and protrudes from the installation pipe. A speed measuring mechanism for detecting the rotation speed of the stirring rod is fixedly installed between the installation pipe and the stirring rod, and an indicating device for indicating according to the rotation speed detected by the speed measuring mechanism is also installed on the barrel body. However, during the use of the above vertical mixer, it can only push the material to move along the circumferential direction of the barrel body, resulting in difficult and slow mixing of the material, and there is a defect of low mixing efficiency. Summary of the Invention

[0003] In view of this, the purpose of the utility model is to provide a mixing device of a granulator for antistatic modified plastic particles, which has the advantage of high mixing efficiency.

[0004] To solve the above technical problems, the technical solution of the utility model is: a mixing device of a granulator for antistatic modified plastic particles, which includes a barrel body, a main rotating shaft penetrating through the center of the barrel body, a main driving mechanism fixedly arranged at the bottom of the barrel body for driving the main rotating shaft to rotate circumferentially, a stirring seat fixedly sleeved on the top of the main rotating shaft, and stirring blades fixedly arranged at the bottom of the stirring seat. A plurality of auxiliary stirring mechanisms are uniformly arranged along the circumferential direction at the inner wall of the bottom of the barrel body, and all the plurality of auxiliary stirring mechanisms are located inside the stirring blades. The auxiliary stirring mechanism includes a rotating seat fixed at the inner wall of the bottom of the barrel body, an auxiliary rotating shaft rotatably connected to the rotating seat, a feeding auger arranged at the outer end of the auxiliary rotating shaft, and an auxiliary driving mechanism arranged at the inner end of the auxiliary rotating shaft. When the auxiliary driving mechanism drives the auxiliary rotating shaft to rotate circumferentially, the feeding auger will push the material to approach the stirring blades along the radial direction of the barrel body.

[0005] With the above technical solution, during use, the main driving mechanism drives the main rotating shaft to rotate circumferentially. The main rotating shaft will drive the stirring blades to rotate circumferentially inside the barrel through the stirring seat, so as to stir and mix the materials inside the barrel. At the same time, the auxiliary driving mechanism will drive the auxiliary rotating shaft to rotate circumferentially, and then push the materials along the radial direction of the barrel towards the stirring blades through the feeding auger, so that the materials in the middle of the barrel can be fully stirred by the stirring blades, thereby improving the mixing efficiency of the above-mentioned mixing device. Moreover, during the rotation of the auger, it can also drive the materials inside the barrel to rotate, so as to further improve the mixing efficiency of the above-mentioned mixing device.

[0006] Preferably, the auxiliary driving mechanism includes a driving bevel gear fixedly sleeved outside the main rotating shaft, a driven bevel gear fixedly sleeved at the inner end of the auxiliary rotating shaft, and a protective cover covering the driving bevel gear and the driven bevel gear. The driving bevel gear meshes with the driven bevel gear.

[0007] With the above technical solution, the main rotating shaft can drive the auxiliary rotating shaft to rotate through the driving bevel gear and the driven bevel gear during rotation. The auxiliary driving mechanism arranged in this way does not need to additionally install a motor, and has the advantages of low production cost and energy saving in use.

[0008] Preferably, a transfer hole is formed at the position where the side wall of the protective cover faces the auxiliary rotating shaft. The auxiliary rotating shaft passes through the corresponding transfer hole, and the auxiliary rotating shaft is rotationally connected to the protective cover through a bearing.

[0009] With the above technical solution, the auxiliary rotating shaft is rotationally connected to the protective cover through a bearing, which can effectively reduce the wear of the auxiliary rotating shaft and the protective cover, and then improve the service life of the auxiliary rotating shaft and the protective cover. Moreover, the bearing can block the materials inside the barrel during the use of the above-mentioned mixing device, so that the materials are not easily introduced into the protective cover, and the operation of the above-mentioned auxiliary driving mechanism is not easily affected.

[0010] Preferably, an auxiliary paddle is fixedly sleeved outside the auxiliary rotating shaft, and the auxiliary paddle can rotate circumferentially under the drive of the auxiliary rotating shaft.

[0011] With the above technical solution, during the rotation of the auxiliary paddle with the auxiliary rotating shaft, it can stir and mix the materials, further improving the mixing efficiency of the above-mentioned mixing device.

[0012] Preferably, the auxiliary paddle includes a connecting sleeve sleeved outside the auxiliary rotating shaft, a paddle body fixedly connected to the outside of the connecting sleeve, and a limit bolt threadedly connected to the outer wall of the connecting sleeve. The threaded section of the limit bolt abuts against the outer wall of the auxiliary rotating shaft.

[0013] Through the above technical solution, the threaded section of the limiting bolt is tightly pressed against the outer wall of the auxiliary shaft, which is used to fix the connecting sleeve to the auxiliary shaft, making the auxiliary blade more convenient to disassemble and assemble.

[0014] Preferably, a limiting groove is provided on the outer wall of the auxiliary rotating shaft, the limiting groove is arranged along the axial direction of the auxiliary rotating shaft, and the threaded section of the limiting bolt is pressed against the inner wall of the limiting groove.

[0015] Through the above technical solution, the threaded section of the limiting bolt is pressed against the inner groove wall of the limiting groove, which can be used to limit the connecting sleeve more effectively.

[0016] Preferably, a conical guide surface is provided on the bottom inner wall of the barrel body, and the conical guide surface is arranged with the tip pointing upward. A discharge valve is provided on the side wall of the barrel body, and the bottom edge of the feed port of the discharge valve coincides with the side edge of the conical guide surface.

[0017] Through the above technical solution, the conical guiding surface can guide the material inside the barrel body, so that the material gathers at the bottom edge of the barrel body, making the material removal process more convenient.

[0018] Preferably, the main driving mechanism comprises a driving motor and a reducer, the input end of the reducer is connected to the output end of the driving motor, and the output end of the reducer is connected to the main rotating shaft.

[0019] Through the above technical solution, when the driving motor is turned on, the main shaft can be driven by the reducer to rotate circumferentially. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of an embodiment;

[0021] Figure 2 for Figure 1 Enlarged view of part A.

[0022] Figure numerals: 1. barrel; 2. main rotating shaft; 3. main driving mechanism; 31. driving motor; 32. reducer; 4. stirring seat; 5. stirring blade; 6. auxiliary stirring mechanism; 61. rotating seat; 62. auxiliary rotating shaft; 63. pushing auger; 64. auxiliary driving mechanism; 641. driving bevel gear; 642. driven bevel gear; 643. protective cover; 7. adapter hole; 8. auxiliary paddle; 81. connecting sleeve; 82. paddle body; 9. limiting bolt; 10. limiting groove; 11. conical guide surface; 12. discharge valve. Implementation

[0023] The specific implementation modes of the present invention are further described below in conjunction with the accompanying drawings to make the technical solutions of the present invention easier to understand and grasp.

[0024] A mixing device for a granulator for antistatic modified plastic particles, as Figure 1 , Figure 2 shown, including a barrel body 1, a main rotating shaft 2 penetrating through the center of the barrel body 1, a main driving mechanism 3 fixedly arranged at the bottom of the barrel body 1 for driving the main rotating shaft 2 to rotate circumferentially, a stirring seat 4 fixedly sleeved on the top of the main rotating shaft 2, and a stirring blade 5 fixedly arranged at the bottom of the stirring seat 4. During use, the main driving mechanism 3 drives the main rotating shaft 2 to rotate circumferentially, and the main rotating shaft 2 drives the stirring blade 5 to rotate through the stirring seat 4 to stir and mix the materials inside the barrel body 1.

[0025] A plurality of auxiliary stirring mechanisms 6 are uniformly arranged along the circumferential direction at the inner wall of the bottom of the barrel body 1, and a plurality of auxiliary stirring mechanisms 6 are all located inside the stirring blade 5. The auxiliary stirring mechanism 6 includes a rotating seat 61 fixed at the inner wall of the bottom of the barrel body 1, an auxiliary rotating shaft 62 rotatably connected to the rotating seat 61, a feeding auger 63 arranged at the outer end of the auxiliary rotating shaft 62, and an auxiliary driving mechanism 64 arranged at the inner end of the auxiliary rotating shaft 62. When the auxiliary driving mechanism 64 drives the auxiliary rotating shaft 62 to rotate circumferentially, the feeding auger 63 will push the materials to approach the stirring blade 5 along the radial direction of the barrel body 1.

[0026] The auxiliary driving mechanism 64 includes a driving bevel gear 641 fixedly sleeved on the outside of the main rotating shaft 2, a driven bevel gear 642 fixedly sleeved on the inner end of the auxiliary rotating shaft 62, a protective cover 643 covering the driving bevel gear 641 and the driven bevel gear 642, and the driving bevel gear 641 meshes with the driven bevel gear 642. A transfer hole 7 is opened at the position where the side wall of the protective cover 643 faces the auxiliary rotating shaft 62, the auxiliary rotating shaft 62 passes through the corresponding transfer hole 7, and the auxiliary rotating shaft 62 is rotatably connected to the protective cover 643 through a bearing.

[0027] An auxiliary paddle 8 is fixedly sleeved on the outside of the auxiliary rotating shaft 62, and the auxiliary paddle 8 can rotate circumferentially under the drive of the auxiliary rotating shaft 62. The auxiliary paddle 8 includes a connecting sleeve 81 sleeved on the outside of the auxiliary rotating shaft 62, a paddle body 82 fixedly connected to the outside of the connecting sleeve 81, a limiting bolt 9 is threadedly connected to the outer wall of the connecting sleeve 81, and the threaded section of the limiting bolt 9 abuts against the outer wall of the auxiliary rotating shaft 62. A limiting groove 10 is opened on the outer wall of the auxiliary rotating shaft 62, the limiting groove 10 is arranged along the axial direction of the auxiliary rotating shaft 62, and the threaded section of the limiting bolt 9 abuts against the inner wall of the limiting groove 10.

[0028] A conical guiding surface 11 is arranged at the inner wall of the bottom of the barrel body 1, the conical guiding surface 11 is arranged with the tip facing upwards, and a discharge valve 12 is arranged on the side wall of the barrel body 1. The bottom edge of the feed inlet of the discharge valve 12 coincides with the side edge of the conical guiding surface 11.

[0029] The main drive mechanism 3 includes a drive motor 31 and a speed reducer 32. The input end of the speed reducer 32 is connected to the output end of the drive motor 31, and the output end of the speed reducer 32 is connected to the main rotating shaft 2.

[0030] Of course, the above are only typical examples of the present utility model. In addition, the present utility model can also have many other specific implementation manners. Any technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of protection required by the present utility model.

Claims

1. A mixing device for a granulator for antistatic modified plastic particles, comprising a barrel (1), a main rotating shaft (2) penetrating the center of the barrel (1), a main driving mechanism (3) fixedly arranged at the bottom of the barrel (1) for driving the main rotating shaft (2) to rotate in a circumferential direction, a stirring seat (4) fixedly sleeved on the top of the main rotating shaft (2), and a stirring blade (5) fixedly arranged at the bottom of the stirring seat (4), wherein: A plurality of auxiliary stirring mechanisms (6) are evenly arranged along the circumferential direction on the bottom inner wall of the barrel body (1), and the plurality of auxiliary stirring mechanisms (6) are all located on the inner side of the stirring blade (5). The auxiliary stirring mechanism (6) comprises a rotating seat (61) fixed on the bottom inner wall of the barrel body (1), an auxiliary rotating shaft (62) rotatably connected to the rotating seat (61), a pushing auger (63) arranged at the outer end of the auxiliary rotating shaft (62), and an auxiliary driving mechanism (64) arranged at the inner end of the auxiliary rotating shaft (62). When the auxiliary driving mechanism (64) drives the auxiliary rotating shaft (62) to rotate circumferentially, the pushing auger (63) will push the material along the radial direction of the barrel body (1) to approach the stirring blade (5).

2. The mixing device of the granulator for antistatic modified plastic particles according to claim 1, characterized in that: The auxiliary drive mechanism (64) comprises a driving bevel gear (641) fixedly sleeved on the outside of the main rotating shaft (2), a driven bevel gear (642) fixedly sleeved on the inner end of the auxiliary rotating shaft (62), and a protective cover (643) covering the driving bevel gear (641) and the driven bevel gear (642); the driving bevel gear (641) is meshed with the driven bevel gear (642).

3. The mixing device of the granulator for antistatic modified plastic particles according to claim 2, characterized in that: A transfer hole (7) is provided on the side wall of the protective cover (643) at a position opposite to the auxiliary rotating shaft (62); the auxiliary rotating shaft (62) passes through the corresponding transfer hole (7), and the auxiliary rotating shaft (62) is rotatably connected to the protective cover (643) via a bearing.

4. The mixing device of the granulator for antistatic modified plastic particles according to claim 1, characterized in that: An auxiliary blade (8) is provided on the outer fixed sleeve of the auxiliary rotating shaft (62), and the auxiliary blade (8) can rotate in a circumferential direction under the drive of the auxiliary rotating shaft (62).

5. The mixing device of the granulator for antistatic modified plastic particles according to claim 4, characterized in that: The auxiliary blade (8) comprises a connecting sleeve (81) sleeved on the outside of the auxiliary rotating shaft (62), and a blade body (82) fixedly connected to the outside of the connecting sleeve (81); a limiting bolt (9) is threadedly connected to the outer wall of the connecting sleeve (81), and a threaded section of the limiting bolt (9) is pressed against the outer wall of the auxiliary rotating shaft (62).

6. The mixing device of the granulator for antistatic modified plastic particles according to claim 5, characterized in that: A limiting groove (10) is provided on the outer wall of the auxiliary rotating shaft (62), and the limiting groove (10) is arranged along the axial direction of the auxiliary rotating shaft (62). The threaded section of the limiting bolt (9) is pressed against the inner wall of the limiting groove (10).

7. The mixing device of the granulator for antistatic modified plastic particles according to claim 1, characterized in that: A conical guide surface (11) is arranged on the inner wall of the bottom of the barrel body (1), and the conical guide surface (11) is arranged with its tip pointing upward. A discharge valve (12) is arranged on the side wall of the barrel body (1), and the bottom edge of the feed port of the discharge valve (12) coincides with the side edge of the conical guide surface (11).

8. The mixing device of the granulator for antistatic modified plastic particles according to claim 1, characterized in that: The main driving mechanism (3) comprises a driving motor (31) and a reducer (32), wherein the input end of the reducer (32) is connected to the output end of the driving motor (31), and the output end of the reducer (32) is connected to the main rotating shaft (2).

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