A mixing structure for processing polypropylene raw materials

Abstract

The utility model relates to the technical field of raw material processing, and discloses a mixing structure for processing polypropylene raw materials, comprising a base, a mixing barrel fixedly connected to the upper surface of the base, a barrel cover detachably mounted on the upper surface of the mixing barrel, a driving motor fixedly connected to the upper surface of the barrel cover, a first gear fixedly connected to the surface of the output shaft of the driving motor, and a connecting shaft rotatably connected to the lower surface of the barrel cover. The mixing structure for processing polypropylene raw materials puts raw materials and additives into the mixing barrel through a stuffing cover, starts the driving motor, drives the first rotating rod to rotate, and drives the second rotating rod to rotate through the transmission of the first gear and the second gear, the stirring rod stirs the raw materials, and the raw materials at the bottom enter the conveying barrel through the material opening, and the spiral conveying blades convey the raw materials to the top of the conveying barrel, so that the mixing barrel can be turned up and down to ensure the mixing of the materials.

Description

Technical Field

[0001] The utility model relates to the technical field of raw material processing, and more specifically to a mixing structure for processing polypropylene raw materials. Background Art

[0002] Polypropylene, abbreviated as PP, is a polymer formed by the addition polymerization of propylene. Polypropylene is a thermoplastic synthetic resin with excellent performance. It is a colorless, translucent, thermoplastic, lightweight general-purpose plastic with chemical resistance, heat resistance, electrical insulation, high-strength mechanical properties and good high-wear resistance processing properties.

[0003] Before polypropylene is processed, it is necessary to modify polypropylene to meet different needs. Generally, additives are mixed into polypropylene particles for kneading. During kneading, the polypropylene particles and the additives need to be mixed. However, the existing mixing device directly stirs through a stirring rod, and the raw materials and additives at the bottom cannot have good contact and mixing with the raw materials and additives above. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a mixing structure for processing polypropylene raw materials to solve the problems existing in the above-mentioned background technology.

[0005] The utility model provides the following technical solution: a mixing structure for processing polypropylene raw materials, comprising a base, a mixing barrel fixedly connected to the upper surface of the base, a barrel cover detachably mounted on the upper surface of the mixing barrel, a driving motor fixedly connected to the upper surface of the barrel cover, a first gear fixedly connected to the surface of the output shaft of the driving motor, a connecting shaft rotatably connected to the lower surface of the barrel cover, a second gear meshing with the surface of the first gear fixedly connected to the surface of the connecting shaft, a first rotating rod detachably connected to the output end of the driving motor, and a second rotating rod detachably connected to the bottom end of the connecting shaft;

[0006] The bottom end of the mixing barrel is fixedly connected with a discharge pipe, the inner bottom wall of the mixing barrel is fixedly connected with a conveying barrel, the surface of the first rotating rod is fixedly connected with a spiral conveying blade, the inner walls of the conveying barrel and the discharge pipe are overlapped with the surface of the spiral conveying blade, the surface of the second rotating rod is fixedly connected with a stirring rod, the surface of the bottom end of the conveying barrel is provided with a material passing port, and the surface of the mixing barrel is fixedly connected with a filling cover.

[0007] A further solution is that a mounting ring is fixedly connected to the lower surface of the barrel cover, a first T-shaped groove is provided on the surface of the mounting ring, a T-shaped positioning block is slidably connected to the inner wall of the first T-shaped groove, a first spring is fixedly connected to the opposite surface of the T-shaped positioning block and the first T-shaped groove, the upper and lower surfaces of the T-shaped positioning block are both arc-shaped, an annular groove is provided on the top of the mixing barrel, the surface of the mounting ring overlaps the inner wall of the annular groove, a positioning groove is provided on the inner ring surface of the annular groove, the surface of the T-shaped positioning block overlaps the inner wall of the positioning groove, the surfaces of the barrel cover and the mixing barrel are fixedly connected with connecting blocks, and the upper and lower connecting blocks are fixedly connected by bolts.

[0008] The scheme is further that the output end of the driving motor and the bottom end of the connecting shaft are fixedly connected with a concave box, the top ends of the first rotating rod and the second rotating rod are fixedly connected with a mounting block, second T-slots are provided on both sides of the mounting block, a T-shaped plug block is slidably connected to the inner wall of the second T-slot, a second spring is fixedly connected to the opposite surface of the T-shaped plug block and the T-slot, positioning openings are provided on both sides of the concave box, the upper surface and the lower surface of the T-shaped plug block are semi-arc, the straight surface of the semi-arc surface of the T-shaped plug block overlaps the inner wall of the positioning opening, and the number of connecting shafts is several, and the several connecting shafts are arranged in a circular array on the lower surface of the cylinder cover.

[0009] Technical effects and advantages of the utility model:

[0010] 1. The mixing structure for processing polypropylene raw materials is as follows: raw materials and additives are put into the mixing barrel through a stuffing cover, and a driving motor is started. The driving motor drives the first rotating rod to rotate, and the second rotating rod is driven to rotate through the transmission of the first gear and the second gear. The stirring rod stirs the raw materials, and the raw materials at the bottom enter the conveying barrel through the material passing port. The spiral conveying blade conveys the raw materials to the top of the conveying barrel, so that the mixing barrel can be turned up and down to ensure the mixing of the materials.

[0011] 2. The mixing structure for processing polypropylene raw materials, places the mounting ring on the cylinder cover in the annular groove, and the arc surface of the T-shaped positioning block is force-received in the first T-shaped groove, rotates the cylinder cover, and when the T-shaped positioning block moves to the positioning groove, the elastic force of the first spring pushes the T-shaped positioning block to be inserted into the positioning groove, and the upper and lower connecting blocks are aligned, which is convenient for the installation of the bolt, presses the T-shaped plug block, and inserts the mounting block into the concave box, at this time the arc surface of the T-shaped plug block is force-received, the second spring is squeezed, and when the T-shaped plug block moves to the positioning port, the T-shaped plug block is inserted into the positioning port, and the straight surface of the semi-arc surface of the T-shaped plug block overlaps the positioning port to complete the fixing of the mounting block, presses the T-shaped plug block to move the arc surface of the semi-arc surface of the T-shaped plug block to the positioning port, and at this time pulls the mounting block, the arc surface of the T-shaped plug block is force-received, and the mounting block can be directly pulled out, thereby facilitating the disassembly and assembly of the first rotating rod and the second rotating rod, and convenient cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the internal structure of the mixing cylinder of the utility model;

[0014] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0015] Figure 4 This is a schematic diagram of the front section structure of the concave box of the utility model;

[0016] Figure 5 It is a schematic diagram of the front section structure of the installation ring of the utility model.

[0017] The accompanying drawings are marked as: 1 base, 2 mixing barrel, 3 barrel cover, 4 driving motor, 5 first gear, 6 connecting shaft, 7 second gear, 8 first rotating rod, 9 second rotating rod, 10 discharge pipe, 11 conveying barrel, 12 spiral conveying blade, 13 stirring rod, 14 filling cover, 15 mounting ring, 16 T-shaped positioning block, 17 first spring, 18 connecting block, 19 concave box, 20 mounting block, 21 T-shaped plug block, 22 second spring. DETAILED DESCRIPTION

[0018] A mixed material structure for processing polypropylene raw materials, referring to Figure 1-5 , including a base 1, a mixing barrel 2 is fixedly connected to the upper surface of the base 1, a barrel cover 3 is detachably installed on the upper surface of the mixing barrel 2, a mounting ring 15 is fixedly connected to the lower surface of the barrel cover 3, a first T-shaped groove is provided on the surface of the mounting ring 15, a T-shaped positioning block 16 is slidably connected to the inner wall of the first T-shaped groove, a first spring 17 is fixedly connected to the T-shaped positioning block 16 and the opposite surface of the first T-shaped groove, the upper and lower surfaces of the T-shaped positioning block 16 are both arc-shaped, an annular groove is provided at the top of the mixing barrel 2, the surface of the mounting ring 15 overlaps the inner wall of the annular groove, a positioning groove is provided on the inner ring surface of the annular groove, the surface of the T-shaped positioning block 16 overlaps the inner wall of the positioning groove, the surfaces of the barrel cover 3 and the mixing barrel 2 are fixedly connected with connecting blocks 18, and the upper and lower connecting blocks 18 are fixedly connected by bolts.

[0019] A driving motor 4 is fixedly connected to the upper surface of the cylinder cover 3, a first gear 5 is fixedly connected to the surface of the output shaft of the driving motor 4, a connecting shaft 6 is rotatably connected to the lower surface of the cylinder cover 3, and there are several connecting shafts 6, which are arranged in a circle on the lower surface of the cylinder cover 3, a second gear 7 meshing with the surface of the first gear 5 is fixedly connected to the surface of the connecting shaft 6, a first rotating rod 8 is detachably connected to the output end of the driving motor 4, and a second rotating rod 9 is detachably connected to the bottom end of the connecting shaft 6.

[0020] The output end of the driving motor 4 and the bottom end of the connecting shaft 6 are fixedly connected with a concave box 19, the top ends of the first rotating rod 8 and the second rotating rod 9 are fixedly connected with a mounting block 20, both sides of the mounting block 20 are provided with a second T-slot, the inner wall of the second T-slot is slidably connected with a T-shaped plug block 21, the T-shaped plug block 21 and the opposite surface of the T-slot are fixedly connected with a second spring 22, and both sides of the concave box 19 are provided with positioning openings, the upper surface and the lower surface of the T-shaped plug block 21 are semi-arc-shaped, and the straight surface of the semi-arc surface of the T-shaped plug block 21 overlaps the inner wall of the positioning opening.

[0021] Place the mounting ring 15 on the cylinder cover 3 in the annular groove, and the arc surface of the T-shaped positioning block 16 is forcefully received in the first T-shaped groove. Turn the cylinder cover 3. When the T-shaped positioning block 16 moves to the positioning groove, the elastic force of the first spring 17 pushes the T-shaped positioning block 16 to be inserted into the positioning groove, and the upper and lower connecting blocks 18 are aligned to facilitate the installation of the bolts. Press the T-shaped plug block 21 and insert the mounting block 20 into the concave box 19. At this time, the arc surface of the T-shaped plug block 21 is forcefully received, and the second spring 2 2 is squeezed, and when the T-shaped plug block 21 moves to the positioning opening, the T-shaped plug block 21 is inserted into the positioning opening, and the straight surface of the semi-arc surface of the T-shaped plug block 21 overlaps with the positioning opening to complete the fixing of the mounting block 20. The T-shaped plug block 21 is pressed to move the arc surface of the semi-arc surface of the T-shaped plug block 21 to the positioning opening. At this time, the mounting block 20 is pulled, and the arc surface of the T-shaped plug block 21 is forcefully received, so that the mounting block 20 can be directly pulled out, thereby facilitating the disassembly and assembly of the first rotating rod 8 and the second rotating rod 9, and facilitating cleaning.

[0022] A discharge pipe 10 is fixedly connected to the bottom end of the mixing barrel 2, a conveying barrel 11 is fixedly connected to the inner bottom wall of the mixing barrel 2, a spiral conveying blade 12 is fixedly connected to the surface of the first rotating rod 8, the inner walls of the conveying barrel 11 and the discharge pipe 10 are overlapped with the surface of the spiral conveying blade 12, a stirring rod 13 is fixedly connected to the surface of the second rotating rod 9, a material through port is provided on the surface of the bottom end of the conveying barrel 11, and a filling cover 14 is fixedly connected to the surface of the mixing barrel 2.

[0023] Start the drive motor 4, which drives the first rotating rod 8 to rotate, and drives the second rotating rod 9 to rotate through the transmission of the first gear 5 and the second gear 7. The stirring rod 13 stirs the raw materials, and the raw materials at the bottom enter the conveying cylinder 11 through the material passing port. The spiral conveying blades 12 convey the raw materials to the top of the conveying cylinder 11, so that the mixing cylinder 2 can be turned up and down to ensure the mixing of the materials. The reverse spiral conveying blades 12 can also be used for unloading.

[0024] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A mixing structure for processing polypropylene raw materials, comprising a base (1), characterized in that: The upper surface of the base (1) is fixedly connected to a mixing barrel (2), the upper surface of the mixing barrel (2) is detachably mounted with a barrel cover (3), the upper surface of the barrel cover (3) is fixedly connected to a driving motor (4), the surface of an output shaft of the driving motor (4) is fixedly connected to a first gear (5), the lower surface of the barrel cover (3) is rotatably connected to a connecting shaft (6), the surface of the connecting shaft (6) is fixedly connected to a second gear (7) meshing with the surface of the first gear (5), the output end of the driving motor (4) is detachably connected to a first rotating rod (8), and the bottom end of the connecting shaft (6) is detachably connected to a second rotating rod (9); The bottom end of the mixing barrel (2) is fixedly connected to a discharge pipe (10), the inner bottom wall of the mixing barrel (2) is fixedly connected to a conveying barrel (11), the surface of the first rotating rod (8) is fixedly connected to a spiral conveying blade (12), the inner walls of the conveying barrel (11) and the discharge pipe (10) are both overlapped with the surface of the spiral conveying blade (12), the surface of the second rotating rod (9) is fixedly connected to a stirring rod (13), the surface of the bottom end of the conveying barrel (11) is provided with a material through-hole, and the surface of the mixing barrel (2) is fixedly connected to a filling cover (14).

2. The mixing structure for processing polypropylene raw materials according to claim 1, characterized in that: The lower surface of the cylinder cover (3) is fixedly connected with a mounting ring (15), the surface of the mounting ring (15) is provided with a first T-shaped groove, the inner wall of the first T-shaped groove is slidably connected with a T-shaped positioning block (16), the T-shaped positioning block (16) and the surface opposite to the first T-shaped groove are fixedly connected with a first spring (17), and the upper surface and the lower surface of the T-shaped positioning block (16) are both arc-shaped.

3. The mixing structure for processing polypropylene raw materials according to claim 2, characterized in that: The top of the mixing cylinder (2) is provided with an annular groove, the surface of the mounting ring (15) overlaps with the inner wall of the annular groove, the inner ring surface of the annular groove is provided with a positioning groove, and the surface of the T-shaped positioning block (16) overlaps with the inner wall of the positioning groove.

4. The mixing structure for processing polypropylene raw materials according to claim 3, characterized in that: The surfaces of the cylinder cover (3) and the mixing cylinder (2) are both fixedly connected with connecting blocks (18), and the upper and lower connecting blocks (18) are fixedly connected by bolts.

5. A mixing structure for processing polypropylene raw materials according to any one of claims 1 to 4, characterized in that: The output end of the driving motor (4) and the bottom end of the connecting shaft (6) are both fixedly connected with a concave box (19), and the top ends of the first rotating rod (8) and the second rotating rod (9) are both fixedly connected with a mounting block (20).

6. A mixing structure for processing polypropylene raw materials according to claim 5, characterized in that: The mounting block (20) is provided with a second T-shaped slot on both sides, the inner wall of the second T-shaped slot is slidably connected to a T-shaped plug block (21), and the T-shaped plug block (21) and the opposite surface of the T-shaped slot are fixedly connected to a second spring (22).

7. A mixing structure for processing polypropylene raw materials according to claim 6, characterized in that: Positioning openings are provided on both sides of the concave box (19), the upper surface and the lower surface of the T-shaped plug (21) are both semi-arc-shaped, and the straight surface of the semi-arc surface of the T-shaped plug (21) overlaps the inner wall of the positioning opening.

8. The mixing structure for processing polypropylene raw materials according to claim 1, characterized in that: The number of the connecting shafts (6) is several, and the several connecting shafts (6) are arranged in a circular array on the lower surface of the cylinder cover (3).

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