Polypropylene production mixing equipment

Abstract

The utility model discloses polypropylene production mixing equipment, which relates to the technical field of polypropylene production, and comprises a mixing barrel and a bottom plate, the top end of the mixing barrel is fixedly connected with a top cover, the top cover is provided with a stirring mechanism and an intermittent blanking mechanism, and a vibration mechanism is arranged between the mixing barrel and the bottom plate; the stirring mechanism comprises a stirring barrel rotationally penetrating through the top cover, a fixing rod is arranged on the inner wall of the stirring barrel, a stirring shaft is fixedly connected to the bottom end of the fixing rod and penetrates through a mixing barrel, and a plurality of first stirring blades are fixedly connected to the outer wall of the stirring shaft; through the structures of the motor, the driving shaft, the main bevel gear, the auxiliary bevel gear I, the auxiliary bevel gear II, the stirring barrel, the stirring shaft, the first stirring blade, the second stirring blade and the like, the mixing effect is improved, the resistance in the stirring process is reduced, and the problem that the mixing effect is influenced due to non-uniform mixing of raw materials of traditional mixing equipment is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of polypropylene production, in particular to a polypropylene production mixing device. Background Art

[0002] Polypropylene, referred to as PP, is a polymer formed by the addition polymerization of propylene. It is a white waxy material with a transparent and light appearance. 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 processing properties. It is widely used in the production of clothing, blankets and other fiber products, medical equipment, automobiles, bicycles, parts, pipelines, chemical containers, etc., and is also used in food and drug packaging;

[0003] At present, the mixing equipment on the market generally rotates in one direction during the mixing process, so it will carry the raw materials in one direction, which leads to uneven mixing of the raw materials, thus affecting the mixing effect. In addition, too much material is added during mixing, resulting in insufficient mixing of the raw materials, further affecting the mixing effect.

[0004] To this end, this case proposes a polypropylene production mixing equipment to solve the above technical problems. Utility Model Content

[0005] The main purpose of the utility model is to provide a polypropylene production mixing device, which can effectively solve the technical problems in the background technology.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A polypropylene production mixing device comprises a mixing barrel and a bottom plate, wherein a top cover is fixedly connected to the top of the mixing barrel, a stirring mechanism and an intermittent feeding mechanism are arranged on the top cover, and a vibration mechanism is arranged between the mixing barrel and the bottom plate;

[0008] The stirring mechanism comprises a stirring drum that rotates and penetrates the top cover, the inner wall of the stirring drum is provided with a fixing rod, the bottom end of the fixing rod is fixedly connected with a stirring shaft and penetrates a mixing barrel, the outer wall of the stirring shaft is fixedly connected with a plurality of first stirring blades, the outer wall of the stirring drum is fixedly connected with a plurality of second stirring blades, the plurality of the first stirring blades and the second stirring blades are used for reverse stirring of the polypropylene raw material, the plurality of the first stirring blades and the second stirring blades are arranged in an arc shape and are penetrated with a plurality of holes, so as to reduce the resistance of stirring;

[0009] The intermittent feeding mechanism includes an outer gear ring fixedly connected to the top of the outer wall of the mixing drum, the outer diameter of the outer gear ring is meshed with a transmission gear, the transmission gear and the top cover are rotatably connected through a rotating shaft, the outer diameter of the transmission gear is meshed with an inner gear ring, and baffles are fixedly connected on both sides of the outer wall of the inner gear ring to block the polypropylene raw material.

[0010] As a further solution of the utility model, the stirring mechanism also includes a secondary bevel gear 1 fixedly connected to the top of the outer wall of the stirring drum and a secondary bevel gear 2 fixedly connected to the top of the fixed rod.

[0011] As a further solution of the utility model, the stirring mechanism also includes a vertical plate fixedly connected to the top end of the top cover corresponding to the side of the mixing drum, one end of the vertical plate is fixedly connected to a motor, the motor driving end is fixedly connected to a driving shaft, the other end of the driving shaft is fixedly connected to a main bevel gear, and the main bevel gear is respectively meshed with auxiliary bevel gear 1 and auxiliary bevel gear 2.

[0012] As a further solution of the utility model, the stirring mechanism also includes a first heating rod fixedly connected to the outer wall of the stirring drum and a second heating rod fixedly connected to the outer wall of the stirring shaft. The number of the first heating rod and the second heating rod are both four and arranged in a cross.

[0013] As a further solution of the utility model, the intermittent feeding mechanism also includes a feed pipe fixedly connected to the top end of the top cover corresponding to both sides of the mixing drum and an annular groove opened at the bottom end of the top cover, and the inner wall of the annular groove is rotatably connected with a fixing ring, and the fixing ring and the inner gear ring are fixedly connected.

[0014] As a further solution of the utility model, the vibration mechanism includes a sleeve fixedly connected to the top of the base plate, the number of the sleeves is four, and notches are formed on the four sleeves.

[0015] As a further solution of the utility model, the inner walls of the four sleeves are provided with sleeve rods, the four sleeve rods and the stirring shaft are connected by a belt transmission mechanism, the outer walls of the four sleeve rods are fixedly connected with gear rods, and the four gear rods are arranged at the bottom of the notch.

[0016] As a further solution of the utility model, the bottom ends of the four sleeve rods are rotatably connected to a fixed disk, the bottom ends of the four fixed disks are fixedly connected to a plurality of tension springs, and the four groups of tension springs and sleeves are fixedly connected.

[0017] As a further solution of the utility model, a discharge pipe is fixedly connected to one side of the bottom end of the mixing barrel, a solenoid valve is fixedly connected to the bottom end of the discharge pipe, and the bottom of the inner wall of the mixing barrel is set as an inclined surface.

[0018] The beneficial effects of the utility model are as follows:

[0019] The polypropylene raw material in the mixing barrel can be stirred and mixed by the cooperation of the motor, the driving shaft, the main bevel gear, the auxiliary bevel gear 1, the auxiliary bevel gear 2, the mixing drum, the mixing shaft, the first stirring blade and the second stirring blade. Since the second stirring blade is arc-shaped, it can cut the polypropylene raw material, thereby improving the mixing effect. The first stirring blade and the second stirring blade are provided with holes, thereby reducing the resistance generated during the stirring process, thereby reducing the loss of electricity.

[0020] Through the cooperation of the mixing drum, the outer gear ring, the transmission gear, the inner gear ring and the baffle, the raw materials in the feed pipe can be blocked, so that the amount of material discharged can be controlled to avoid excessive discharge, thereby improving the mixing effect of the raw materials;

[0021] By rotating the stirring shaft, the belt transmission mechanism, the sleeve rod, and the gear rod and cooperating with the gear rod, the notch, the sleeve and the tension spring, blockage can be prevented during material discharge when the solenoid valve is opened, thereby ensuring smooth material discharge. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall structure of a polypropylene production mixing device of the utility model;

[0023] Figure 2 for Figure 1 A magnified view of middle;

[0024] Figure 3 This is a bottom-up stereogram of a polypropylene production and mixing device of the utility model;

[0025] Figure 4 This is a cross-sectional view of a mixing barrel of a polypropylene production mixing device of the utility model;

[0026] Figure 5 This is a disassembled diagram of a polypropylene production mixing device of the utility model;

[0027] Figure 6 This is a disassembled diagram of a polypropylene production mixing device of the utility model;

[0028] Figure 7 This is a cross-sectional view of a sleeve of a polypropylene production mixing device of the utility model.

[0029] In the figure: 1, mixing barrel; 2, bottom plate; 3, top cover; 4, mixing drum; 5, fixed rod; 6, mixing shaft; 7, first mixing blade; 8, second mixing blade; 9, auxiliary bevel gear 1; 10, auxiliary bevel gear 2; 11, motor; 12, drive shaft; 13, main bevel gear; 14, first heating rod; 15, second heating rod; 16, outer gear ring; 17, transmission gear; 18, inner gear ring; 19, baffle; 20, feed pipe; 21, annular groove; 22, fixed ring; 23, sleeve; 24, notch; 25, sleeve rod; 26, gear rod; 27, fixed disk; 28, tension spring; 29, discharge pipe; 30, solenoid valve; 31, vertical plate. DETAILED DESCRIPTION

[0030] 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.

[0031] like Figure 1-7 As shown, a polypropylene production mixing device comprises a mixing barrel 1 and a bottom plate 2. A top cover 3 is fixedly connected to the top of the mixing barrel 1. A stirring mechanism and an intermittent feeding mechanism are arranged on the top cover 3. The stirring mechanism can rotate in opposite directions to improve the mixing effect, and the intermittent feeding mechanism can prevent excessive feeding and make the polypropylene raw materials fully mixed. A vibration mechanism is arranged between the mixing barrel 1 and the bottom plate 2. The vibration mechanism can prevent blockage during feeding and ensure smooth feeding.

[0032] The stirring mechanism includes a stirring drum 4 that rotates and penetrates the top cover 3, a fixing rod 5 is arranged on the inner wall of the stirring drum 4, a stirring shaft 6 is fixedly connected to the bottom end of the fixing rod 5 and penetrates the mixing barrel 1, a plurality of first stirring blades 7 are fixedly connected to the outer wall of the stirring shaft 6, and a plurality of second stirring blades 8 are fixedly connected to the outer wall of the stirring drum 4, the plurality of first stirring blades 7 and the second stirring blades 8 are used for reverse stirring of the polypropylene raw material, and the plurality of first stirring blades 7 and the second stirring blades 8 are arranged in an arc shape and penetrated with a plurality of holes to reduce the resistance of stirring;

[0033] The intermittent feeding mechanism includes an outer gear ring 16 fixedly connected to the top of the outer wall of the mixing drum 4, the outer diameter of the outer gear ring 16 is meshedly connected with a transmission gear 17, the transmission gear 17 and the top cover 3 are rotatably connected through a rotating shaft, the outer diameter of the transmission gear 17 is meshedly connected with an inner gear ring 18, and baffles 19 are fixedly connected on both sides of the outer wall of the inner gear ring 18 to block the polypropylene raw material.

[0034] In this embodiment, the stirring mechanism also includes a secondary bevel gear 9 fixedly connected to the top of the outer wall of the stirring drum 4 and a secondary bevel gear 10 fixedly connected to the top of the fixed rod 5. The rotation direction of the stirring drum 4 and the fixed rod 5 can be changed by the secondary bevel gear 9 and the secondary bevel gear 10.

[0035] In this embodiment, the stirring mechanism further includes a vertical plate 31 fixedly connected to the top of the top cover 3 corresponding to one side of the stirring drum 4, one end of the vertical plate 31 is fixedly connected to the motor 11, the driving end of the motor 11 is fixedly connected to the driving shaft 12, and the other end of the driving shaft 12 is fixedly connected to the main bevel gear 13, and the main bevel gear 13 is meshed with the auxiliary bevel gear 1 9 and the auxiliary bevel gear 2 10 respectively;

[0036] The motor 11 drives the driving shaft 12 to rotate, and the driving shaft 12 drives the main bevel gear 13 to rotate, thereby driving the auxiliary bevel gear 1 9 and the auxiliary bevel gear 2 10 to rotate in opposite directions, thereby rotating and stirring the polypropylene raw material in opposite directions.

[0037] In this embodiment, the stirring mechanism further includes a first heating rod 14 fixedly connected to the outer wall of the stirring drum 4 and a second heating rod 15 fixedly connected to the outer wall of the stirring shaft 6. The number of the first heating rod 14 and the second heating rod 15 are both four and arranged in a cross shape.

[0038] Since the first heating rod 14 and the second heating rod 15 rotate in opposite directions, the polypropylene raw material can be heated evenly to avoid local overheating.

[0039] In this embodiment, the intermittent feeding mechanism also includes a feeding pipe 20 fixedly connected to the top of the top cover 3 corresponding to the two sides of the mixing drum 4 and an annular groove 21 opened at the bottom of the top cover 3, and the inner wall of the annular groove 21 is rotatably connected to a fixing ring 22, and the fixing ring 22 is fixedly connected to the inner gear ring 18;

[0040] By blocking the raw materials in the feed pipe 20, the feeding speed can be controlled so that the raw materials can be fully mixed together.

[0041] In this embodiment, the vibration mechanism includes a sleeve 23 fixedly connected to the top of the bottom plate 2, the number of the sleeves 23 is set to four, the four sleeves 23 are each provided with a notch 24, the inner walls of the four sleeves 23 are provided with sleeve rods 25, the four sleeve rods 25 and the stirring shaft 6 are connected through a belt transmission mechanism, the outer walls of the four sleeve rods 25 are each fixedly connected with a gear rod 26, and the four gear rods 26 are each arranged at the bottom of the notch 24;

[0042] When the sleeve rod 25 rotates, the shift rod 26 will slide along the top of the notch 24, thereby raising the height of the sleeve rod 25, and then continue to rotate to fall to the bottom of the notch 24 again, thereby causing shaking.

[0043] In this embodiment, the bottom ends of the four sleeve rods 25 are rotatably connected to the fixed disk 27, the bottom ends of the four fixed disks 27 are fixedly connected to a plurality of tension springs 28, and the four groups of tension springs 28 and the sleeve 23 are fixedly connected;

[0044] Through the cooperation of the tension spring 28, it can shake and move up and down.

[0045] In this embodiment, a discharge pipe 29 is fixedly connected to one side of the bottom end of the mixing barrel 1, and a solenoid valve 30 is fixedly connected to the bottom end of the discharge pipe 29. The bottom of the inner wall of the mixing barrel 1 is set as an inclined surface. The solenoid valve 30 is opened and the raw materials fall from the discharge pipe 29, and the lowest end of the inclined surface is at the position of the discharge pipe 29.

[0046] It should be noted that the utility model is a polypropylene production mixing device. When in use, the motor 11 is first started to rotate the driving shaft 12, the driving shaft 12 rotates the main bevel gear 13, the main bevel gear 13 rotates the auxiliary bevel gear 1 9 and the auxiliary bevel gear 2 10 synchronously and in opposite directions, so that the rotation directions of the mixing drum 4 and the mixing shaft 6 are opposite, and the mixing drum 4 and the mixing shaft 6 rotate in opposite directions with the first stirring blade 7 and the second stirring blade 8, so that the polypropylene raw material in the mixing barrel 1 can be stirred and mixed, and in the stirring and mixing process, since the second stirring blade 8 is arc-shaped, it can cut the polypropylene raw material, so the mixing effect can be improved, and the first stirring blade 7 and the second stirring blade 8 are provided with holes, so the resistance generated during the stirring process can be reduced, thereby reducing the loss of electricity;

[0047] In addition, the first heating rod 14 and the second heating rod 15 can be rotated in opposite directions during the stirring process, so that the polypropylene raw material can be heated evenly to avoid local overheating.

[0048] The mixing drum 4 rotates with the outer gear ring 16, the outer gear ring 16 rotates with the transmission gear 17, and the transmission gear 17 rotates with the inner gear ring 18 and the baffle 19, so that the raw materials in the feed pipe 20 can be blocked, so that the amount of material discharged can be controlled to avoid excessive material discharge, thereby improving the mixing effect of the raw materials;

[0049] The stirring shaft 6 rotates with the sleeve rod 25 through the belt transmission mechanism, and the sleeve rod 25 rotates with the gear rod 26 and makes the gear rod 26 slide along the top of the notch 24. After the gear rod 26 rotates to the top of the sleeve 23, it continues to rotate until it slides off the top of the sleeve 23 and shakes with the cooperation of the tension spring 28. Therefore, when the solenoid valve 30 is opened, blockage can be prevented during material discharge, ensuring smooth material discharge.

[0050] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. 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 may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A polypropylene production mixing device, comprising a mixing barrel (1) and a bottom plate (2), characterized in that: The top of the mixing barrel (1) is fixedly connected to a top cover (3), a stirring mechanism and an intermittent feeding mechanism are arranged on the top cover (3), and a vibration mechanism is arranged between the mixing barrel (1) and the bottom plate (2); The stirring mechanism comprises a stirring drum (4) which rotates and passes through the top cover (3); a fixing rod (5) is arranged on the inner wall of the stirring drum (4); a stirring shaft (6) is fixedly connected to the bottom end of the fixing rod (5) and passes through the mixing barrel (1); a plurality of first stirring blades (7) are fixedly connected to the outer wall of the stirring shaft (6); a plurality of second stirring blades (8) are fixedly connected to the outer wall of the stirring drum (4); the plurality of first stirring blades (7) and the second stirring blades (8) are used for reverse stirring of the polypropylene raw material; the plurality of first stirring blades (7) and the second stirring blades (8) are arranged in an arc shape and are penetrated with a plurality of holes to reduce the resistance of stirring; The intermittent feeding mechanism comprises an outer toothed ring (16) fixedly connected to the top of the outer wall of the mixing drum (4); the outer diameter of the outer toothed ring (16) is meshedly connected to a transmission gear (17); the transmission gear (17) and the top cover (3) are rotationally connected via a rotating shaft; the outer diameter of the transmission gear (17) is meshedly connected to an inner toothed ring (18); baffles (19) are fixedly connected to both sides of the outer wall of the inner toothed ring (18) to block the polypropylene raw material.

2. A polypropylene production mixing equipment according to claim 1, characterized in that: The stirring mechanism further comprises a secondary bevel gear 1 (9) fixedly connected to the top of the outer wall of the stirring drum (4) and a secondary bevel gear 2 (10) fixedly connected to the top of the fixing rod (5).

3. A polypropylene production mixing equipment according to claim 2, characterized in that: The stirring mechanism further comprises a vertical plate (31) fixedly connected to a top end of the top cover (3) corresponding to a side of the stirring drum (4); one end of the vertical plate (31) is fixedly connected to a motor (11); a driving end of the motor (11) is fixedly connected to a driving shaft (12); the other end of the driving shaft (12) is fixedly connected to a main bevel gear (13); the main bevel gear (13) is meshedly connected to a secondary bevel gear 1 (9) and a secondary bevel gear 2 (10), respectively.

4. A polypropylene production mixing equipment according to claim 3, characterized in that: The stirring mechanism further comprises a first heating rod (14) fixedly connected to the outer wall of the stirring drum (4) and a second heating rod (15) fixedly connected to the outer wall of the stirring shaft (6); the first heating rod (14) and the second heating rod (15) are both provided in four numbers and arranged in a cross shape.

5. A polypropylene production mixing equipment according to claim 1, characterized in that: The intermittent feeding mechanism also includes a feeding pipe (20) fixedly connected to the top end of the top cover (3) corresponding to the two sides of the mixing drum (4) and an annular groove (21) opened at the bottom end of the top cover (3), the inner wall of the annular groove (21) is rotatably connected to a fixing ring (22), and the fixing ring (22) is fixedly connected to the inner gear ring (18).

6. A polypropylene production mixing equipment according to claim 1, characterized in that: The vibration mechanism comprises a sleeve (23) fixedly connected to the top end of the base plate (2), the sleeves (23) being provided in four numbers, and each of the four sleeves (23) is provided with a notch (24).

7. A polypropylene production mixing device according to claim 6, characterized in that: The inner walls of the four sleeves (23) are provided with sleeve rods (25), the four sleeve rods (25) and the stirring shaft (6) are connected via a belt transmission mechanism, the outer walls of the four sleeve rods (25) are fixedly connected with gear rods (26), and the four gear rods (26) are arranged at the bottom of the notch (24).

8. A polypropylene production mixing device according to claim 7, characterized in that: The bottom ends of the four sleeve rods (25) are rotatably connected to a fixed disk (27), the bottom ends of the four fixed disks (27) are fixedly connected to a plurality of tension springs (28), and the four groups of tension springs (28) and the sleeve (23) are fixedly connected.

9. A polypropylene production mixing device according to claim 1, characterized in that: A discharge pipe (29) is fixedly connected to one side of the bottom end of the mixing barrel (1), a solenoid valve (30) is fixedly connected to the bottom end of the discharge pipe (29), and the bottom of the inner wall of the mixing barrel (1) is arranged as an inclined surface.

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