CN110900868A

CN110900868A - Multi-class material multi-stage mixing device

Info

Publication number: CN110900868A
Application number: CN201911347728.0A
Authority: CN
Inventors: 张平俊; 陈清华
Original assignee: Sichuan Daily Chemical Co Ltd
Current assignee: Sichuan Daily Chemical Co Ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-03-24

Abstract

The invention discloses a multi-stage mixing device for multiple materials, which comprises an outer cylinder (1), an inner cylinder (2) and a spiral stirring device, wherein a plurality of temporary storage tanks (5) for storing plastic particles are arranged on a top cover (4), the bottom of each temporary storage tank (5) is connected with a stop valve (6), the inner cylinder (2) positioned in the outer cylinder (1) is welded at the bottom of the top cover (4), an inner conical cylinder (7) is fixedly arranged at the bottom of the inner cylinder (2), and the other end of a material conveying pipe (15) welded with a partition plate (8) in the inner cylinder (2) upwards penetrates through the top cover (4) and is connected with the stop valves (6) through a pipe card; the spiral stirring device comprises a motor A (16), a motor B (17), a single screw rod A (18) and a single screw rod B (19), wherein the single screw rod A (18) and the single screw rod B (19) are arranged in the outer cylinder (1) and are positioned below the inner cylinder (2). The invention has the beneficial effects that: compact structure, high production efficiency, more uniform mixing, power consumption saving, working environment improvement and simple operation.

Description

Multi-class material multi-stage mixing device

Technical Field

The invention relates to the technical field of particle mixing, in particular to a multi-stage mixing device for various materials.

Background

The plastic bottle is a container for containing liquid, is an essential component essential to life of people, and is produced by the following steps: the plastic granules of various types are mixed and stirred uniformly by the mixer, then the mixture is put into the melting furnace, the melting furnace melts the plastic granules into liquid plastic, then the liquid plastic is blown into a required shape by the blow molding machine, and finally the semi-finished plastic bottle is taken out of the mold.

Wherein in the compounding process, the blendor includes casing, two single hob, and two single hob are parallel to each other and set up in the casing, and the equal rotatory installation in the both ends of two single hobs is on the lateral wall about the casing, and the outside fixed mounting of casing has two motors, and the output shaft of two motors passes through the coupling joint with the pivot of two single hobs respectively, and the top and the bottom of casing are provided with feed inlet and discharge gate respectively, and discharge gate department is provided with the stop valve. During this blendor, the workman adds certain amount of heterogeneous plastic granules to the casing through the feed inlet, opens two motors, and two motors drive two single hob rotations respectively, and the pivoted single hob mixes heterogeneous plastic granules, through a period of the back of mixing, opens the stop valve to discharge out the material after will mixing. The mixer has the following defects: 1. because two single hob are only single stirring, and the casing space is big, and most granule material does not participate in the stirring, cause and need to consume long time just can be with multiple type material misce bene to production efficiency has been reduced. 2. During the material loading, need artifical from the feed inlet department to empty plastic granules, empty the in-process and produce a large amount of raise dusts, pollute operational environment on every side. 3. Two single screw rods are submerged in the material, so that the motor can drive the single screw rods to rotate only by consuming large power, thereby greatly wasting electric energy and increasing production cost.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide the multi-stage mixing device for various materials, which has the advantages of compact structure, high production efficiency, more uniform mixing, power consumption saving, working environment improvement and simple operation.

The purpose of the invention is realized by the following technical scheme: the utility model provides a multi-type material multistage mixing arrangement, it includes the urceolus, inner tube and spiral agitating unit, the bottom of urceolus has set firmly an outer toper section of thick bamboo, the top of urceolus has set firmly the top cap, be provided with a plurality of jar of keeping in that are used for depositing plastic granules on the top cap, the bottom of every jar of keeping in all is connected with the stop valve, the bottom welding of top cap has the inner tube that is located the urceolus, the bottom of inner tube has set firmly an interior toper section of thick bamboo, the welding has the baffle in the inner tube, a plurality of hourglass material holes have been seted up on the outward flange of baffle, the bearing frame has set firmly on the baffle, the (mixing) shaft is installed to the bearing frame internal rotation, the upper end of (mixing) shaft extends above the baffle, and the welding has a plurality of blades on the; a plurality of discharge holes are formed in the rear side wall of the inner barrel and are longitudinally arranged, the discharge holes are located on the right side of the stirring shaft, the discharge holes and the blades are located on the same horizontal plane, a conveying pipe is connected to each discharge hole through a pipe card and is located between the inner barrel and the outer barrel, and the other end of each conveying pipe penetrates through the top cover upwards and is connected with the stop valve through the pipe card; the spiral stirring device comprises a motor A, a motor B, a single screw rod A and a single screw rod B which are arranged in the outer barrel and located below the inner barrel, the motor A is arranged on the left outer side wall of the outer barrel, an output shaft of the motor A penetrates through the outer barrel to be arranged, a rotating shaft of the single screw rod A is rotatably arranged on the right side wall of the outer barrel, another rotating shaft of the single screw rod A is arranged on the left inclined upper side, the other rotating shaft of the single screw rod A is connected with an output shaft of the motor A through a coupler, the motor B is arranged on the front outer wall of the outer barrel, an output shaft of the motor B penetrates through the outer barrel to be arranged, a rotating shaft of the single screw rod B is rotatably arranged on the outer wall of the rear side of the outer barrel, another rotating shaft of the single screw rod B is arranged on the front inclined upper side, the output shaft of the motor.

And dynamic sealing elements are arranged between the output shaft of the motor A and the outer cylinder and between the output shaft of the motor B and the outer cylinder.

The stirring shaft is welded with two stirring plates, and the two stirring plates are arranged at an included angle.

The top welding of baffle has the dust cover, the dust cover is located the outside of bearing frame.

The stirring shaft penetrates through the dust cover, and a movable sealing element is arranged at the contact position between the stirring shaft and the dust cover.

The material leaking holes are uniformly distributed along the circumferential direction of the partition plate.

The bottom of the outer conical cylinder is fixedly provided with a plurality of supporting legs.

The invention has the following advantages:

1. the invention realizes the three-time stirring and mixing of plastics, ensures that plastic particles are irregular when the plastic particles are stirred in the crossed area of the single screw rod A and the single screw rod B, ensures that the mixing among different types of plastic particles is more uniform, and has the characteristic of better mixing effect.

2. The invention enables the plastic particles to fall down from top to bottom, thereby realizing the collection of the plastic particles while stirring and mixing the plastic particles, greatly shortening the mixing time and greatly improving the production efficiency.

3. The invention does not need to adopt power to drive the stirring shaft, but utilizes the potential energy of the plastic particles to drive the blades so as to drive the stirring shaft, thereby greatly saving the power consumption.

4. The invention mixes plastic particles in the closed space, has no dust, and greatly protects the surrounding working environment.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a front cross-sectional view of FIG. 1;

FIG. 4 is a cross-sectional view A-A of FIG. 3 with the dust cap removed;

FIG. 5 is a schematic cross-sectional view B-B of FIG. 3;

in the figure, 1-outer cylinder, 2-inner cylinder, 3-outer conical cylinder, 4-top cover, 5-temporary storage tank, 6-stop valve, 7-inner conical cylinder, 8-partition plate, 9-leakage hole, 10-bearing seat, 11-stirring shaft, 12-blade, 13-stirring plate, 14-discharge hole, 15-conveying pipeline, 16-motor A, 17-motor B, 18-single screw rod A, 19-single screw rod B, 20-movable sealing element and 21-dustproof cover.

Detailed Description

The invention will be further described with reference to the accompanying drawings, without limiting the scope of the invention to the following:

as shown in fig. 1 to 5, a multi-stage mixing device for multiple materials, which comprises an outer barrel 1, an inner barrel 2 and a spiral stirring device, wherein a plurality of supporting legs are fixedly arranged at the bottom of the outer conical barrel 3, an outer conical barrel 3 is fixedly arranged at the bottom of the outer barrel 1, a top cover 4 is fixedly arranged at the top of the outer barrel 1, a plurality of temporary storage tanks 5 for storing plastic particles are arranged on the top cover 4, the bottom of each temporary storage tank 5 is connected with a stop valve 6, the inner barrel 2 positioned in the outer barrel 1 is welded at the bottom of the top cover 4, an inner conical barrel 7 is fixedly arranged at the bottom of the inner barrel 2, a partition plate 8 is welded in the inner barrel 2, a plurality of material leaking holes 9 are formed in the outer edge of the partition plate 8, the material leaking holes 9 are uniformly distributed along the circumferential direction of the partition plate 8, a bearing seat 10 is fixedly arranged on the partition plate 8, a stirring shaft 11 is installed in, the lower tip of (mixing) shaft 11 extends in baffle 8 below, and extends to serve the welding and have a plurality of stirring boards 13, stir board 13 and be located under hourglass material hole 9.

As shown in fig. 2 to 3, a plurality of discharge holes 14 are formed in the rear side wall of the inner cylinder 2, the discharge holes 14 are longitudinally arranged, the discharge holes 14 are located on the right side of the stirring shaft 11, the discharge holes 14 and the blades 12 are located on the same horizontal plane, a feed delivery pipe 15 is connected to each discharge hole 14 through a pipe card, the feed delivery pipe 15 is located between the inner cylinder 2 and the outer cylinder 1, and the other end of the feed delivery pipe 15 upwards penetrates through the top cover 4 and is connected with the stop valve 6 through the pipe card.

As shown in fig. 1 to 3, the spiral stirring device includes a motor a16, a motor B17, a single screw rod a18 and a single screw rod B19, the single screw rod a18 and the single screw rod B19 are disposed in the outer cylinder 1 and below the inner cylinder 2, the motor a16 is disposed on the left outer side wall of the outer cylinder 1, the output shaft of the motor a16 penetrates through the outer cylinder 1, one rotating shaft of the single screw rod a18 is rotatably mounted on the right side wall of the outer cylinder 1, the other rotating shaft of the single screw rod a18 is disposed in a left inclined upward direction, and is connected with the output shaft of the motor A16 through a coupling, the motor B17 is arranged on the outer wall of the front side of the outer cylinder 1, the output shaft of the motor B17 is arranged by penetrating the outer cylinder 1, one rotating shaft of the single screw rod B19 is rotatably arranged on the outer wall of the rear side of the outer cylinder 1, the other rotating shaft of the single screw rod B19 is arranged obliquely upwards forwards, and is connected with the output shaft of the motor B17 through a coupling, and the intersection of the single screw rod A18 and the single screw rod B19 is positioned right below the inner conical cylinder 7.

Dynamic sealing elements 20 are arranged between the output shaft of the motor A16 and the outer cylinder 1 and between the output shaft of the motor B17 and the outer cylinder 1, so that leakage of particle plastics is avoided. The welding has two stirring boards 13 on the (mixing) shaft 11, and two stirring boards 13 are the contained angle setting. The top welding of baffle 8 has dust cover 21, and dust cover 21 is used for preventing that granule plastics from getting into bearing frame 10 in, has played the guard action, dust cover 21 covers the outside of locating bearing frame 10. The stirring shaft 11 penetrates through the dust cover 21, and a dynamic sealing element is arranged at the contact position between the stirring shaft 11 and the dust cover 21.

The working process of the invention is as follows:

s1, respectively storing plastic particles in each temporary storage tank 5 in advance, and ensuring that the plastic particles in each temporary storage tank 5 are different; a collecting tank is arranged right below the outer conical barrel 3, and a feed inlet of the collecting tank is ensured to be butted with a tail end port of the outer conical barrel 3; a worker turns on the motor A16 and the motor B17, the motor A16 drives the single screw rod A18 to rotate, and the motor B17 drives the single screw rod B19 to rotate;

s2, a worker opens the stop valve 6 at the bottom of each temporary storage tank 5, plastic particles in the temporary storage tanks 5 sequentially pass through the stop valve 6, the inlet end of the conveying pipe 15, the outlet end of the conveying pipe 15 and the discharge hole 14 to enter the inner cylinder 2 under the action of self gravity, the discharge hole 14 is longitudinally arranged because the discharge hole 14 is positioned at the rear side of the inner cylinder 2, the discharge hole 14 is positioned at the right side of the stirring shaft 11, and the discharge hole 14 and the blade 12 are positioned on the same horizontal plane, so that the plastic particles with potential energy impact the blade 12, and the rotation direction of the blade 12 is shown as the arrow direction in FIG 5; therefore, the stirring shaft 11 is not required to be driven by power, the blades 12 are driven by the potential energy of the plastic particles, and the stirring shaft 11 is driven, so that the power consumption is greatly saved;

s3, after rotating, the blades 12 drive the stirring shaft 11 to rotate around the axis of the bearing seat 10, the stirring shaft 11 drives the stirring plate 13 to rotate, the blades 12 preliminarily stir and mix various plastic particles entering the inner barrel 2, and meanwhile, the effect of distributing materials is achieved; the falling plastic particles pass through the material leakage holes 9 and enter the lower area of the partition plate 8, and the stirring plate 13 is used for carrying out secondary stirring and mixing on the plastic particles falling from the material leakage holes 9; the stirred plastic particles fall from the tail end of the inner conical cylinder 7; the falling plastic particles enter a cross region between the single screw rod A18 and the single screw rod B19, and the single screw rod A18 and the single screw rod B19 stir the plastic particles in space, so that the third stirring and mixing of the plastic particles are realized; therefore, the mixing device realizes three-time stirring and mixing of plastics, and makes plastic particles irregular when the single screw rod A18 and the single screw rod B19 are stirred in the crossed area, so that the mixing device ensures that the different types of plastic particles are mixed more uniformly and has the characteristic of better mixing effect. In addition, this mixing arrangement makes plastic granules from last down to accomplish its collection when having realized the stirring and mixing plastic granules, very big shortening the mix time, very big improvement production efficiency.

S4, the stirred plastic particles flow out of the end port of the outer conical barrel 3 and enter a collection tank.

Claims

1. The utility model provides a multi-type material multistage mixing arrangement which characterized in that: it includes urceolus (1), inner tube (2) and spiral agitating unit, the bottom of urceolus (1) has set firmly outer toper section of thick bamboo (3), the top of urceolus (1) has set firmly top cap (4), be provided with a plurality of jar (5) of keeping in that are used for depositing plastic granules on top cap (4), the bottom of every jar (5) of keeping in all is connected with stop valve (6), the bottom welding of top cap (4) has inner tube (2) that are located urceolus (1), the bottom of inner tube (2) has set firmly interior toper section of thick bamboo (7), welding has baffle (8) in inner tube (2), a plurality of hourglass material hole (9) have been seted up on the outward flange of baffle (8), bearing frame (10) have set firmly on baffle (8), (11) are installed to bearing frame (10) internal rotation, the upper end of (11) extends above baffle (8), and extend and serve the welding and have a plurality, the lower end part of the stirring shaft (11) extends below the partition plate (8), a plurality of stirring plates (13) are welded on the extending end, and the stirring plates (13) are positioned right below the material leakage holes (9); a plurality of discharge holes (14) are formed in the rear side wall of the inner cylinder (2), the discharge holes (14) are longitudinally arranged, the discharge holes (14) are located on the right side of the stirring shaft (11), the discharge holes (14) and the blades (12) are located on the same horizontal plane, a conveying pipe (15) is connected to each discharge hole (14) through a pipe card, the conveying pipe (15) is located between the inner cylinder (2) and the outer cylinder (1), and the other end of the conveying pipe (15) upwards penetrates through the top cover (4) and is connected with the stop valve (6) through the pipe card; the spiral stirring device comprises a motor A (16), a motor B (17), a single screw rod A (18) and a single screw rod B (19) which are arranged in an outer barrel (1) and positioned below an inner barrel (2), wherein the motor A (16) is arranged on the left outer side wall of the outer barrel (1), an output shaft of the motor A (16) penetrates through the outer barrel (1) to be arranged, a rotating shaft of the single screw rod A (18) is rotatably arranged on the right side wall of the outer barrel (1), the other rotating shaft of the single screw rod A (18) is arranged in a leftward inclined mode and is connected with the output shaft of the motor A (16) through a coupling, the motor B (17) is arranged on the outer wall of the front side of the outer barrel (1), the output shaft of the motor B (17) penetrates through the outer barrel (1) to be arranged, a rotating shaft of the single screw rod B (19) is rotatably arranged on the outer wall of the rear side of the outer barrel (1), the other rotating shaft, and is connected with an output shaft of a motor B (17) through a coupler, and the intersection of the single screw rod A (18) and the single screw rod B (19) is positioned right below the inner conical cylinder (7).

2. The multi-stage multi-material mixing apparatus of claim 1, wherein: and dynamic sealing elements (20) are arranged between the output shaft of the motor A (16) and the outer cylinder (1) and between the output shaft of the motor B (17) and the outer cylinder (1).

3. The multi-stage multi-material mixing apparatus of claim 1, wherein: the stirring shaft (11) is welded with two stirring plates (13), and the two stirring plates (13) are arranged at an included angle.

4. The multi-stage multi-material mixing apparatus of claim 1, wherein: the top welding of baffle (8) has dust cover (21), dust cover (21) cover is located the outside of bearing frame (10).

5. The multi-stage multi-material mixing apparatus of claim 1, wherein: the stirring shaft (11) penetrates through the dust cover (21), and a movable sealing element is arranged at the contact position between the stirring shaft (11) and the dust cover (21).

6. The multi-stage multi-material mixing apparatus of claim 1, wherein: the material leaking holes (9) are uniformly distributed along the circumferential direction of the partition plate (8).

7. The multi-stage multi-material mixing apparatus of claim 1, wherein: the bottom of the outer conical cylinder (3) is fixedly provided with a plurality of supporting legs.