CN220373643U

CN220373643U - Modified PP plastic particle homogenization device

Info

Publication number: CN220373643U
Application number: CN202321612823.0U
Authority: CN
Inventors: 夏平; 郝星龙
Original assignee: Hunan Pengjing Technology Co ltd
Current assignee: Hunan Pengjing Technology Co ltd
Priority date: 2023-06-25
Filing date: 2023-06-25
Publication date: 2024-01-23
Anticipated expiration: 2033-06-25

Abstract

The utility model discloses a modified PP plastic particle homogenizing device, which comprises a barrel, wherein a threaded rod is rotationally connected with the barrel, the threaded rod coincides with the central axis of the barrel, a gear A at the top of the threaded rod is meshed with a gear B at an output shaft of a motor A, the motor A is arranged at the top of the barrel, the threaded rod is in threaded connection with a stirring mechanism, the stirring mechanism is in sliding connection with the inner wall of the barrel, a feeding opening at the top of the barrel is connected with a feeding mechanism, and a discharging pipe is arranged at the bottom of the barrel; the device can stir plastic particles from the bottom of the cylinder to the top of the cylinder in an all-round way, and uniformly mix plastic particles stored in different batches of plastic particles, so that the stability of plastic particle finished products is improved, the feeding and discharging of the device are convenient, and the automation degree is high.

Description

Modified PP plastic particle homogenization device

Technical Field

The utility model relates to the technical field of plastic particle production equipment, in particular to a modified PP plastic particle homogenizing device.

Background

The polypropylene (PP) has the characteristics of low density, good chemical resistance, good comprehensive performance and the like, and the modified PP is based on some improvement on the performance and other aspects of the polypropylene raw material, such as the enhancement of impact, tensile strength, elasticity and the like of the polypropylene material. The modified PP is widely applied to the fields of household appliances, automobiles and the like, and has extremely high economic value. When producing modified PP plastics, the melted master batch is extruded into strips, the extruded plastic strips are placed into a cold water tank to be cooled and cut into granules, and the obtained plastic granules are placed into a homogenizing device to be uniformly mixed after the steps of drying, screening and the like, so that the stability of the product is ensured. The conventional homogenizing device generally simply mixes the plastic particles through the rotating stirring rod, and cannot thoroughly stir the plastic particles from top to bottom, so that the homogenizing effect is general, and the plastic particles in different batches cannot be thoroughly mixed, and a novel homogenizing device is needed to solve the problem.

Disclosure of Invention

In order to solve the problems, the utility model provides a modified PP plastic particle homogenizing device which comprises a barrel, wherein a threaded rod is rotatably connected to the barrel, the threaded rod coincides with the central axis of the barrel, a gear A at the top of the threaded rod is meshed with a gear B at an output shaft of a motor A, the motor A is arranged at the top of the barrel, the threaded rod is in threaded connection with a stirring mechanism, the stirring mechanism is in sliding connection with the inner wall of the barrel, a feeding opening at the top of the barrel is connected with a feeding mechanism, and a discharging pipe is arranged at the bottom of the barrel.

Further, the stirring mechanism comprises an internal thread column, the internal thread column is in threaded connection with the threaded rod, the column shaft of the internal thread column is connected with a plurality of shaft rods, the shaft rod bodies are sleeved in the sleeve and are in rotary connection with the sleeve, the other end of each shaft rod is in sliding connection with the inner wall of the cylinder body, the shaft rod is provided with a driving piece to drive the sleeve to rotate, and the wall of the outer cylinder of the sleeve is provided with a stirring piece.

Further, the driving piece comprises a motor B, the motor B is arranged in an inner cavity of the shaft rod, one side of the inner cavity is provided with a meshing opening penetrating through the surface of the shaft rod body of the shaft rod, two side walls of the meshing opening are rotatably connected with an intermediate gear, an output shaft gear of the motor B is meshed with the intermediate gear, and the intermediate gear is meshed with an inner cylinder wall gear ring of the sleeve.

Further, the stirring piece is a stirring ear ring, the stirring ear ring body is connected to two sides of the outer cylinder wall of the sleeve in a trapezoid symmetrical mode with oblique sides, and the stirring ear rings on two adjacent sleeves do not interfere with each other when rotating.

Further, the feeding mechanism comprises a hopper, one side of the hopper is connected with an inlet of a feeding cylinder, an outlet of the feeding cylinder is positioned above the feeding opening, a spiral blade is arranged in the feeding cylinder, the bottom end of a central shaft of the spiral blade is connected with an output shaft of a motor C, and the motor C is arranged in a cavity at the bottom of the hopper.

The utility model has the following beneficial effects:

the stirring mechanism can stir plastic particles in the cylinder body from the bottom to the top of the cylinder in an all-around manner, so that the plastic particles in different batches stored in the stirring mechanism are uniformly mixed, and the stability of finished plastic particle products is improved. Compared with the traditional homogenizing device, the stirring mechanism of the device has the function of moving up and down, has better homogenizing effect and less occupied area (the stirring piece does not need to be spread in the barrel), and can enable the barrel to contain more plastic particles. The device is equipped with feed mechanism material loading, and the roots fan can be connected to the barrel head discharging pipe and quick ejection of compact, possesses into, the convenient characteristics of ejection of compact, degree of automation is high.

Drawings

FIG. 1 is a schematic view of the internal structure of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a top view of the stirring mechanism according to the present utility model.

The reference numerals are explained as follows: 1. a cylinder; 101. a feed inlet; 102. a discharge pipe; 2. a threaded rod; 201. a gear A; 3. a motor A; 301. a gear B; 4. an internal threaded post; 5. a shaft lever; 6. a sleeve; 601. a gear ring; 7. a motor B; 8. an intermediate gear; 9. stirring the ear ring; 10. a hopper; 11. a feed delivery cylinder; 12. a helical blade; 13. and a motor C.

Detailed Description

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying positive importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model is further described below with reference to the accompanying drawings:

as shown in fig. 1 to 3, a modified PP plastic particle homogenizing apparatus includes a barrel 1, a threaded rod 2 is rotatably connected in the barrel 1, the threaded rod 2 coincides with the central axis position of the barrel 1, a gear a201 at the top of the threaded rod 2 is meshed with a gear B301 of an output shaft of a motor A3, the motor A3 is installed in an equipment room at the top of the barrel 1, the threaded rod 2 is in threaded connection with an internal thread column 4 in a stirring mechanism, four shaft rods 5 are uniformly distributed on the column shaft of the internal thread column 4, the four shaft rods 5 are located on the same horizontal plane, the shaft rod body of the shaft rod 5 is sleeved in a sleeve 6 and is rotatably connected with the inner cylinder wall of the sleeve 6 through a bearing, and the other end of the shaft rod 5 is in sliding connection with a vertical channel on the inner wall of the barrel 1. When the motor A3 drives the threaded rod 2 to rotate, the internal thread column 4 rotates with the threaded rod 2 and drives the shaft lever 5 to slide up and down along the vertical channel, and the sliding direction is determined by the rotation direction of the motor A3.

In this embodiment, the shaft lever 5 is provided with a driving member for driving the sleeve 6 to rotate, the driving member comprises a motor B7, the motor B7 is arranged in an inner cavity of the shaft lever 5, a meshing opening penetrating through the surface of the shaft lever 5 is formed in one side of the inner cavity, an intermediate gear 8 is rotatably connected between two side walls of the meshing opening, an output shaft gear of the motor B7 is meshed with the intermediate gear 8, and the intermediate gear 8 is meshed with an inner cylinder wall gear ring 601 of the sleeve 6. The outer cylinder wall of the sleeve 6 is provided with stirring pieces, as shown in fig. 3, the stirring pieces are stirring lugs 9, the ring bodies of the stirring lugs 9 are connected to the two sides of the outer cylinder wall of the sleeve 6 in a bevel trapezoid symmetrical mode, and the stirring lugs 9 on two adjacent sleeves 6 do not interfere with each other when rotating. The stirring ear ring 9 which is driven to rotate by the motor B7 can uniformly mix plastic particles which enter the cylinder body 1 from different batches in the process of moving up and down along with the shaft rod 5.

In this embodiment, feed inlet 101 at the top of barrel 1 is connected with a feeding mechanism, the feeding mechanism comprises a hopper 10, one side of hopper 10 is connected with an inlet of a feed delivery barrel 11, an outlet of feed delivery barrel 11 is connected with a feed inlet chamber above feed inlet 101, a spiral blade 12 is arranged in feed delivery barrel 11, a central shaft bottom end of spiral blade 12 is connected with an output shaft of a motor C13, an upper end of the central shaft is rotatably connected with the top of the feed inlet chamber, the motor C13 is arranged in a cavity at the bottom of hopper 10, and under the drive of motor C13, the rotating spiral blade 12 can transmit plastic particles in hopper 10 into feed inlet 101. The bottom of the barrel 1 is provided with a discharge pipe 102, the discharge pipe 102 is provided with a control valve, the control valve can be opened for direct discharge during discharging, the discharge pipe 102 can be connected with a Roots blower, and plastic particles in the barrel 1 are pumped to a designated place through the Roots blower.

The working principle of the utility model is as follows:

when plastic particles are added into the hopper 10, the motor C13 is started to drive the spiral blades 12 to rotate, and the rotating spiral blades 12 transfer the plastic particles in the hopper 10 to the cylinder 1 for storage. When the plastic particles in the cylinder body 1 reach a certain amount, the motor A3 is started to drive the threaded rod 2 to rotate, the stirring mechanism moves from the upper dead point to the lower dead point under the screwing of the internal thread column 4, and when the stirring mechanism reaches the lower dead point, the motor A3 is reversed, and the stirring mechanism moves from the lower dead point to the upper dead point, so that the stirring mechanism is circularly reciprocated. In the process, the motor B7 drives the stirring ear ring 9 to rotate, plastic particles in the cylinder body 1 are mixed, after the mixing is carried out for a specified period of time, the stirring mechanism returns to the upper dead point position, and the motor A3 and the motor B7 are closed. During discharging, a control valve on the discharging pipe 102 can be opened to directly discharge, the discharging pipe 102 can be connected with a Roots blower, and plastic particles in the barrel 1 can be pumped to a designated place through the Roots blower.

The plastic particle stirring device can stir plastic particles from the bottom to the top of the cylinder in an all-around manner, and uniformly mix plastic particles stored in different batches, so that the stability of plastic particle finished products is improved, and the device is convenient to feed and discharge and high in automation degree.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The utility model provides a modified PP plastic particle homogenization device, includes barrel (1), its characterized in that: threaded rod (2) is connected in barrel (1) rotation, threaded rod (2) and barrel (1) axis position coincidence, threaded rod (2) top gear A (201) and motor A (3) output shaft gear B (301) meshing, motor A (3) are installed at barrel (1) top, threaded rod (2) threaded connection rabbling mechanism, rabbling mechanism includes internal thread post (4), internal thread post (4) and threaded rod (2) threaded connection, a plurality of axostylus axostyle (5) are connected to internal thread post (4) shaft, axostylus axostyle (5) shaft embolias sleeve (6) in to with sleeve (6) swivelling joint, axostylus axostyle (5) other end and barrel (1) inner wall sliding connection, axostylus axostyle (5) are equipped with driving piece drive sleeve (6) and rotate, barrel (1) top pan feeding mouth (101) connection feed mechanism, barrel (1) bottom is equipped with discharging pipe (102).

2. The modified PP plastic particle homogenizing apparatus of claim 1, wherein: the driving piece comprises a motor B (7), wherein the motor B (7) is arranged in an inner cavity of the shaft rod (5), one side of the inner cavity is provided with a meshing opening penetrating through the surface of the shaft rod body of the shaft rod (5), two side walls of the meshing opening are rotatably connected with an intermediate gear (8), an output shaft gear of the motor B (7) is meshed with the intermediate gear (8), and the intermediate gear (8) is meshed with an inner cylinder wall gear ring (601) of the sleeve (6).

3. The modified PP plastic particle homogenizing apparatus of claim 1, wherein: the stirring piece is a stirring ear ring (9), the ring body of the stirring ear ring (9) is in bevel trapezoid symmetrical connection on two sides of the outer cylinder wall of the sleeve (6), and the stirring ear rings (9) on two adjacent sleeves (6) are not interfered with each other when rotating.

4. The modified PP plastic particle homogenizing apparatus of claim 1, wherein: the feeding mechanism comprises a hopper (10), one side of the hopper (10) is connected with an inlet of a feed conveying cylinder (11), an outlet of the feed conveying cylinder (11) is positioned above a feed inlet (101), a spiral blade (12) is arranged in the feed conveying cylinder (11), the bottom end of a central shaft of the spiral blade (12) is connected with an output shaft of a motor C (13), and the motor C (13) is arranged in a cavity at the bottom of the hopper (10).