Rotary vane type plastic mixing machine

Abstract

The utility model discloses a rotary vane type plastic mixer in the field of plastic mixers, which comprises a mixing barrel, a mixing shaft assembled inside the mixing barrel, a fixing sleeve sleeved outside the mixing shaft, a triangular mixing rotary vane assembled on the outer wall of the fixing sleeve, and a fastening hoop sleeved at the lower end outside the mixing shaft. The fastening hoop and the fixing sleeve are connected through a connecting block, fastening plates are installed on the two sides of an opening of the fastening hoop, clamping grooves are formed in the side walls of the fastening plates, fastening screws are inserted into the clamping grooves, nuts are connected to the ends of the fastening screws in a threaded mode, circular grooves are formed in internal threads of the nuts, and circular pieces are placed in the circular grooves. According to the rotary vane type plastic mixing machine, the fixing sleeve is installed outside the mixing shaft, the mixing rotary vane is installed on the fixing sleeve, so that the mixing rotary vane is maintained by disassembling the fixing sleeve, and after installation, the fastening hoop is arranged at the lower end of the fixing sleeve, so that the connection strength between the fixing sleeve and the mixing shaft is improved, and the falling phenomenon is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic mixers, in particular to a rotary vane plastic mixer. Background Art

[0002] Plastic granule mixer is one of the essential equipment in the process of plastic product processing and manufacturing. Its main function is to mix existing plastic granules with specific chemicals or pigment particles, so that the finished product has corresponding specific functions or corresponding colors.

[0003] The three-dimensional vane plastic mixer, through the forward and reverse motor combined with the three-dimensional vane design, has no dead angle when mixing plastic particles, and has high mixing efficiency. However, the existing vane mixer still has some shortcomings. For example, after the vane is disassembled and maintained, the vane is easily disassembled and assembled repeatedly, resulting in a decrease in the connection strength between the vane and the stirring shaft, and it is easy to fall off during operation, affecting the mixing efficiency. Therefore, the existing technology needs to be improved. Utility Model Content

[0004] The purpose of the present utility model is to provide a rotary vane plastic mixer to solve the problem raised in the above background technology that after the rotary vane is disassembled and maintained, the rotary vane is easily disassembled and assembled repeatedly, resulting in reduced connection strength between the rotary vane and the stirring shaft, and is prone to falling off during operation, affecting the stirring efficiency.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a rotary vane plastic mixer, comprising a mixing barrel, the interior of the mixing barrel is equipped with a stirring shaft, the exterior of the stirring shaft is sleeved with a fixing sleeve, the outer wall of the fixing sleeve is triangular and equipped with stirring vanes, the outer lower end of the stirring shaft is sleeved with a fastening hoop, the fastening hoop and the fixing sleeve are connected by a connecting block, fastening plates are installed on both sides of the opening of the fastening hoop, the side walls of the fastening plate are provided with a fastening groove, a fastening screw is inserted into the interior of the fastening groove, a nut is screwed on the end of the fastening screw, a circular groove is provided on the internal thread of the nut, a circular part is placed in the circular groove, a threaded hole is provided on the circular part, the fastening screw is sleeved in the threaded hole, and the top end of the stirring shaft is sleeved with a limiting cap.

[0006] Preferably, a clamping slot is provided on the circular groove, a clamping block is installed on the circular member, and the clamping block is clamped in the clamping slot.

[0007] Preferably, the end of the fastening screw is equipped with a limit plate, and the outer wall of the nut is evenly provided with anti-slip grooves.

[0008] Preferably, the outside of the fastening screw is sleeved with a rubber pad a and a rubber pad b between the fastening plates, a fixing ring is installed on the side wall of the rubber pad a facing the rubber pad b, and rubber blocks are evenly installed on the side wall of the fixing ring along its axis.

[0009] Preferably, an outer wall of the top end of the stirring shaft is provided with an external thread, and an inner wall of the limiting cap is provided with an internal thread matching the external thread.

[0010] Preferably, the outer diameter of the limiting cap is larger than the outer diameter of the fixing sleeve.

[0011] Preferably, the bottom end of the mixing barrel is equipped with an equipment frame, the upper end of the equipment frame is equipped with a driving motor, and the driving end of the driving motor passes through the mixing barrel and is connected to the stirring shaft, and the outer wall of the mixing barrel is provided with a discharge port.

[0012] Compared with the prior art, the beneficial effects of the present invention are: the rotary vane plastic mixer has a reasonable structural design,

[0013] (1) By installing a fixing sleeve on the outside of the stirring shaft, the stirring blade is installed on the fixing sleeve, so that the stirring blade can be maintained by removing the fixing sleeve. After installation, a fastening hoop is provided at the lower end of the fixing sleeve to improve the connection strength between the fixing sleeve and the stirring shaft to prevent it from falling off;

[0014] (2) By setting a fastening plate at the opening of the mounting clamp and fastening it with a fastening screw, while ensuring the stability of the fastening plate, double fastening is performed through the clamping assembly on the nut, thereby improving the stability after installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of a fixing sleeve of the present utility model;

[0017] Figure 3 This is a schematic diagram of the fixing sleeve and the fastening hoop of the utility model;

[0018] Figure 4 This is a schematic diagram of the fastening screw of the present utility model.

[0019] In the figure: 1. Mixing barrel; 2. Equipment frame; 3. Mixing shaft; 4. Fixing sleeve; 5. Mixing vane; 6. Limiting cap; 7. External thread; 8. Connecting block; 9. Fastening hoop; 10. Nut; 11. Fastening groove; 12. Fastening plate; 13. Fastening screw; 14. Round groove; 15. Round part; 16. Threaded hole; 17. Block; 18. Slot; 19. Limiting plate; 20. Anti-slip groove; 21. Rubber block; 22. Fixing ring; 23. Rubber pad a; 24. Rubber pad b; 25. Discharge port. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1-4 , the utility model provides a technical solution:

[0022] In the present technical solution, a rotary vane plastic mixer includes a mixing barrel 1, which is characterized in that: the mixing barrel 1 is equipped with a stirring shaft 3, the outside of the stirring shaft 3 is sheathed with a fixed sleeve 4, the outer wall of the fixed sleeve 4 is triangular and equipped with a stirring vane 5, the outer lower end of the stirring shaft 3 is sheathed with a fastening hoop 9, the fastening hoop 9 and the fixed sleeve 4 are connected by a connecting block 8, and fastening plates 12 are installed on both sides of the opening of the fastening hoop 9, and the side wall of the fastening plate 12 is provided with a fastening groove 1 1. A fastening screw 13 is inserted into the fastening groove 11, and a nut 10 is screwed to the end of the fastening screw 13. A circular groove 14 is provided on the internal thread of the nut 10. A circular piece 15 is placed in the circular groove 14. A threaded hole 16 is provided on the circular piece 15. The fastening screw 13 is sleeved in the threaded hole 16. The top end of the stirring shaft 3 is sleeved with the limit cap 6. A slot 18 is provided on the circular groove 14. A clamping block 17 is installed on the circular piece 15. The clamping block 17 is clamped in the slot 18.

[0023] In this technical solution, the bottom of the side wall of the mixing barrel 1 is an inclined surface inclined toward the middle, and the middle of the mixing barrel 1 is equipped with a conical platform, the bottom of the conical platform is connected to the bottom of the side wall, and the stirring shaft is set on the conical platform, so that the bottom surface of the mixing barrel 1 will not be a plane, making it easier to drain the stirring material. The fixed sleeve 4 of the outer sleeve of the stirring shaft 3 is interference fit with the stirring shaft 3, so that the stirring blade 5 is installed on the stirring shaft 3, and the lower end of the fixed sleeve 4 is connected by the connecting block 8. After installing the fastening hoop 9, after the fixing sleeve 4 is sleeved on the stirring shaft 3, the fastening hoop 9 can be sleeved on the outside of the stirring shaft 3 and tightened to fix the fixing sleeve 4. After the fastening screw 13 is inserted into the fastening groove 11, the circular part 15 is placed into the circular groove 14, and the clamping block 17 is clamped into the clamping groove 18. The nut 10 is screwed onto the fastening screw 13, and the fastening screw 13 is screwed into the threaded hole 16 on the circular part 15, so that the nut 10 and the fastening screw 13 are doubly imprisoned.

[0024] In some technical solutions, reference Figure 1-4 The end of the fastening screw 13 is equipped with a limit plate 19, and the outer wall of the nut 10 is evenly provided with anti-slip grooves 20; the outer portion of the fastening screw 13 is located between the fastening plates 12 and is sleeved with a rubber pad a23 and a rubber pad b24. A fixing ring 22 is installed on the side wall of the rubber pad a23 facing the rubber pad b24, and rubber blocks 21 are evenly installed on the side wall of the fixing ring 22 along its axis;

[0025] In this technical solution, the outer diameter of the rubber pad a 23 and the rubber pad b 24 is larger than the inner diameter of the fastening groove 11, which can seal the gap between the fastening screw 13 and the fastening groove 11. After installation, the fastening screw 13 is placed in the slot 11, the limit plate 19 is in contact with the fastening plate 12 at the upper end, and the outer diameter of the limit plate 19 is larger than the inner diameter of the fastening groove 11. The anti-slip groove 20 is provided to facilitate the rotation of the nut 10.

[0026] In some technical solutions, reference Figure 1-4 The outer wall of the top end of the stirring shaft 3 is provided with an external thread 7, and the inner wall of the limiting cap 6 is provided with an internal thread matching the external thread 7; the outer diameter of the limiting cap 6 is larger than the outer diameter of the fixing sleeve 4;

[0027] In this technical solution, the limiting cap 6 is installed on the top end of the stirring shaft 3 by means of a threaded connection to limit the fixing sleeve 4.

[0028] In some technical solutions, reference Figure 1-4 The bottom end of the mixing barrel 1 is equipped with an equipment frame 2, the upper end of the equipment frame 2 is equipped with a driving motor, and the driving end of the driving motor passes through the mixing barrel 1 and is connected to the stirring shaft 3. The outer wall of the mixing barrel 1 is provided with a discharge port 25;

[0029] In this technical solution, the stirring shaft 3 is driven by a driving motor to discharge the stirred plastic particles through the discharge port 25 .

[0030] Working principle: When in use, first, put the fixed sleeve 4 equipped with three stirring blades 5 on the stirring shaft 3, and also put the fastening hoop 9 on the stirring shaft 3, and fasten it with the fastening screw 13, then install the stirring shaft 3 into the mixing barrel 1 and connect it to the driving end of the drive motor, and then you can start using it.

[0031] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0032] While the present invention has been described above with reference to exemplary embodiments, various modifications may be made and equivalent components may be substituted without departing from the scope of the present invention. In particular, as long as no structural conflicts exist, the various features of the disclosed embodiments may be combined with one another in any manner. The omission of an exhaustive description of these combinations in this specification is solely for the sake of space and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions within the scope of the claims.

Claims

1. A rotary vane plastic mixer, comprising a mixing barrel (1), characterized in that: The mixing barrel (1) is provided with a stirring shaft (3) inside, a fixing sleeve (4) is sleeved outside the stirring shaft (3), the outer wall of the fixing sleeve (4) is triangular and provided with stirring vanes (5), a fastening hoop (9) is sleeved on the lower end of the outside of the stirring shaft (3), the fastening hoop (9) and the fixing sleeve (4) are connected via a connecting block (8), fastening plates (12) are installed on both sides of the opening of the fastening hoop (9), and the side walls of the fastening plates (12) are provided with fastening holes. A fixing groove (11) is provided, wherein a fixing screw (13) is inserted into the fixing groove (11), a nut (10) is screwed onto the end of the fixing screw (13), a circular groove (14) is provided on the internal thread of the nut (10), a circular piece (15) is placed in the circular groove (14), a threaded hole (16) is provided on the circular piece (15), the fixing screw (13) is sleeved in the threaded hole (16), and a limiting cap (6) is sleeved on the top end of the stirring shaft (3).

2. A rotary vane plastic mixer according to claim 1, characterized in that: The circular groove (14) is provided with a clamping groove (18), the circular member (15) is provided with a clamping block (17), and the clamping block (17) is clamped in the clamping groove (18).

3. The rotary vane plastic mixer according to claim 1, characterized in that: The end of the fastening screw rod (13) is equipped with a limiting plate (19), and the outer wall of the nut (10) is evenly provided with anti-slip grooves (20).

4. The rotary vane plastic mixer according to claim 1, characterized in that: The outside of the fastening screw (13) is sleeved with a rubber pad a (23) and a rubber pad b (24) between the fastening plates (12); a fixing ring (22) is installed on the side wall of the rubber pad a (23) facing the rubber pad b (24); and rubber blocks (21) are evenly installed on the side wall of the fixing ring (22) along its axis.

5. The rotary vane plastic mixer according to claim 1, characterized in that: The top outer wall of the stirring shaft (3) is provided with an external thread (7), and the inner wall of the limiting cap (6) is provided with an internal thread matching the external thread (7).

6. A rotary vane plastic mixer according to claim 5, characterized in that: The outer diameter of the limiting cap (6) is greater than the outer diameter of the fixing sleeve (4).

7. The rotary vane plastic mixer according to claim 1, characterized in that: The bottom end of the mixing barrel (1) is equipped with an equipment frame (2), the upper end of the equipment frame (2) is equipped with a driving motor, and the driving end of the driving motor passes through the mixing barrel (1) and is connected to the stirring shaft (3), and the outer wall of the mixing barrel (1) is provided with a discharge port (25).

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