High-speed stirrer for high-temperature-resistant polyethylene color master batches

Abstract

The utility model relates to the technical field of polyethylene color master batch processing, and discloses a high-temperature-resistant polyethylene color master batch high-speed stirrer which comprises a stirring tank, a screening barrel is fixedly connected to the upper end of the stirring tank, a feeding hopper is fixedly connected to the upper end of the screening barrel, and a discharging hopper is fixedly connected to the end, away from the feeding hopper, of the screening barrel. The discharging hopper extends into the stirring tank, a screening mechanism is arranged in the screening barrel, a through groove is formed in the screening barrel, a servo motor is fixedly connected to the side wall of the screening barrel, and a stirring mechanism is arranged in the stirring tank. Therefore, the color of the final product is more uniform and consistent, the problems of local color difference and the like are avoided, the bonding strength of the color master batch and the raw materials is favorably improved, and the final product has better mechanical properties and stability in a high-temperature environment.

Description

TECHNICAL FIELD

[0001] The utility model relates to polyethylene color masterbatch processing technical field, specifically to a kind of high-speed mixer of high-temperature-resistant polyethylene color masterbatch. BACKGROUND

[0002] In the production process of polyethylene color masterbatch, stirring is a key link, and the traditional polyethylene color masterbatch high-speed mixer usually directly puts various raw materials into the stirring chamber for stirring. However, this method has some problems.

[0003] On the one hand, there may be some uneven particle size in the raw materials, and uneven particles may affect the quality and performance of the color masterbatch during stirring. For example, larger particles may cause uneven stirring, resulting in differences in color, performance, etc. of the final color masterbatch product. On the other hand, for high-temperature-resistant polyethylene color masterbatch, the purity and particle uniformity of the raw materials are more demanding. Because color masterbatch used in high-temperature environments needs to have better stability and uniformity to ensure that its color and performance do not change due to high temperature, if there are large particles in the raw materials, they may cause local overheating and uneven color in a high-temperature environment, and even affect the mechanical properties and service life of the final product. Therefore, we propose a new type of high-temperature-resistant polyethylene color masterbatch high-speed mixer. SUMMARY

[0004] The utility model aims at providing a kind of high-temperature-resistant polyethylene color masterbatch high-speed mixer, solve the raw materials possibly exist some uneven particle size, and uneven particles may affect the quality and performance of the color masterbatch during stirring. There are large particles in the raw materials, which may cause local overheating and uneven color in a high-temperature environment.

[0005] The utility model provides the following technical scheme: a kind of high-temperature-resistant polyethylene color masterbatch high-speed mixer, including stirring tank, the upper end of the stirring tank is fixedly connected with screening cylinder, the upper end of the screening cylinder is fixedly connected with feed hopper, the end of the screening cylinder away from the feed hopper is fixedly connected with discharge hopper, the discharge hopper extends into the stirring tank, screening mechanism is equipped in the screening cylinder, the screening cylinder is equipped with through slot, the side wall of the screening cylinder is fixedly connected with servo motor;

[0006] Stirring mechanism is equipped in the stirring tank, the inside bottom end of the stirring tank is fixedly connected with guide table, the bottom end of the stirring tank is fixedly connected with support seat, the bottom end of the stirring tank is fixedly connected with discharge pipe, valve is equipped on the discharge pipe.

[0007] Preferably, the screening mechanism comprises a rotating rod I, the rotating rod I is rotatably connected in the screening barrel through a bearing, a plurality of screening pieces are fixedly connected on the rotating rod I, both ends of the rotating rod I extend out of the screening barrel, and one end of the rotating rod I is fixedly connected on the output end of the servo motor.

[0008] Preferably, the stirring mechanism comprises a fixed plate, the fixed plate is fixedly connected on the upper end of the stirring tank, a rotating rod II is connected on the bottom end of the fixed plate through a bearing, the rotating rod II extends into the stirring tank, a plurality of groups of stirring rods are fixedly connected on the side wall of the rotating rod II, a scraper is fixedly connected on one end of the plurality of groups of stirring rods, and a screw conveyor is fixedly connected on the side wall of the rotating rod II.

[0009] Preferably, the one end of the rotating rod I and the side wall of the rotating rod II are both fixedly connected with a helical gear, and the two helical gears are meshingly connected.

[0010] Preferably, the screening piece comprises a mounting frame and a screening net I, the mounting frame is fixedly connected on the side wall of the rotating rod I, and the screening net I is fixedly connected between the mounting frame and the side wall of the rotating rod I.

[0011] Preferably, the outer side wall of the mounting frame is arc-shaped in longitudinal section.

[0012] Preferably, the upper end of the discharge hopper is fixedly connected with a screening net II, and the screening net II is arc-shaped in longitudinal section.

[0013] Preferably, the bottom side wall of the through groove is fixedly connected with a material guide plate, and the material guide plate is arranged in an inclined manner.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] The utility model discloses a screening structure is set up, the color master batch particle size that enters the stirrer is more uniform, and the uniform particle size helps to improve the dispersity of color master batch, thereby making the color of final product more uniform and consistent, avoiding the problems such as local color difference, after the color master batch that is screened enters the stirrer, it is easier to realize uniform mixing under high -speed stirring because the particle size is similar and the impurity is few, this helps to improve the bonding strength of color master batch and raw materials, makes final product have better mechanical property and stability under high -temperature environment, reduces the stirring resistance caused by uneven particles or impurity interference, which not only can improve the working efficiency of the stirrer, shorten the stirring time, but also can reduce energy consumption. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is whole structure schematic diagram of the utility model;

[0017] Figure 2It is the side view sectional structure schematic view of the utility model;

[0018] Figure 3 It is the front view sectional structure schematic view of the utility model;

[0019] Figure 4 It is the stirring part structure schematic view of the utility model;

[0020] Figure 5 It is the screening piece structure schematic view of the utility model.

[0021] In the drawing: 1, stirring tank;2, screening cylinder;3, feed hopper;4, rotating rod one;5, screening piece;51, mounting frame;52, screening net one;6, through slot;7, guide plate;8, discharge hopper;9, screening net two;10, servo motor;11, fixed plate;12, helical gear;13, rotating rod two;14, stirring rod;15, auger;16, guide table;17, discharge pipe;18, support seat;19, scraper.

[0022] As shown in the drawing, in order to clearly realize the structure of the embodiment of the utility model, specific structures and devices are marked in the drawing, but this is only for the need of illustration, and is not intended to limit the utility model in the specific structure, device and environment, according to the specific need, the ordinary skilled in the art can adjust or modify these devices and environment, and the adjustment or modification still includes in the scope of the appended claims. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] As Figures 1-5 shown, the utility model provides a kind of technical scheme: a kind of high temperature resistant polyethylene color master batch high-speed mixer, including stirring tank 1, the upper end of stirring tank 1 is fixedly connected with screening cylinder 2, the upper end of screening cylinder 2 is fixedly connected with feed hopper 3, one end of screening cylinder 2 away from feed hopper 3 is fixedly connected with discharge hopper 8, discharge hopper 8 extends into stirring tank 1, screening mechanism is equipped in screening cylinder 2, through slot 6 is set in screening cylinder 2, servo motor 10 is fixedly connected on the lateral wall of screening cylinder 2;

[0025] The stirring tank 1 is provided with a stirring mechanism, the inside bottom end of the stirring tank 1 is fixedly connected with a guide table 16, the bottom end of the stirring tank 1 is fixedly connected with a support base 18, the bottom end of the stirring tank 1 is fixedly connected with a discharge pipe 17, the discharge pipe 17 is provided with a valve, the valve adopts an existing ball valve, and the specific working principle and structure installation are not further described.

[0026] In an optional embodiment, the screening mechanism comprises a rotating rod 4, the rotating rod 4 is rotatably connected in the screening cylinder 2 through a bearing, a plurality of screening pieces 5 are fixedly connected on the rotating rod 4, both ends of the rotating rod 4 extend out of the screening cylinder 2, and one end of the rotating rod 4 is fixedly connected to the output end of the servo motor 10.

[0027] It should be noted that the screening pieces 5 rotate at the same time to screen the color master batch entering, the large-particle color master batch remaining in the screening pieces 5 rotates to the through groove 6, and then rolls to the through groove 6.

[0028] In an optional embodiment, the stirring mechanism comprises a fixed plate 11, the fixed plate 11 is fixedly connected to the upper end of the stirring tank 1, the bottom end of the fixed plate 11 is connected with a rotating rod 13 through a bearing, the rotating rod 13 extends into the stirring tank 1, a plurality of groups of stirring rods 14 are fixedly connected to the side wall of the rotating rod 13, one end of the stirring rod 14 is fixedly connected with a scraper 19, and a screw 15 is fixedly connected to the side wall of the rotating rod 13.

[0029] It should be noted that the color master batch entering the stirring tank 1 is rotated, the screw 15 can effectively turn over the raw materials in the stirring tank 1, which is helpful for mixing the internal color master batch, the stirring rod 14 rotates the raw materials in the horizontal direction, the scraper 19 fixed to the stirring rod 14 can be scraped off the color master batch adhered to the cylinder wall with the rotation of the stirring rod 14, the rotating rod 13 is installed on the side wall of the fixed plate 11 and the stirring tank 1 through a bearing, and the rotating rod 13 is fixed to the inner wall of the bearing.

[0030] In an optional embodiment, the side wall of the rotating rod 13 and one end of the rotating rod 4 are both fixedly connected with a helical gear 12, and the two helical gears 12 are meshed.

[0031] It should be noted that through the interaction of the two meshed helical gears 12, the rotating rod 13 is rotated with the rotating rod 4 through one servo motor 10, which reduces the operation cost.

[0032] In an optional embodiment, the screening piece 5 comprises an installation frame 51 and a screening mesh 52, the installation frame 51 is fixedly connected to the side wall of the rotating rod 4, and the screening mesh 52 is fixedly connected between the installation frame 51 and the side wall of the rotating rod 4.

[0033] In an alternative embodiment: the outer side wall longitudinal section of the mounting frame 51 is arranged in an arc shape, which is adapted to the inner side wall of the screening drum 2, and is closer to the inside of the screening drum 2, so as to prevent the color master batch from leaking out between the two.

[0034] In an alternative embodiment: the upper end of the discharge hopper 8 is fixedly connected with a second screening net 9, the longitudinal section of the second screening net 9 is arranged in an arc shape, and the mesh size of the second screening net 9 is the same as that of the first screening net 9, so as to prevent the color master batch that does not flow out from the through groove 6 in time from entering the discharge hopper 8 and being screened again by the screening member 5.

[0035] In an alternative embodiment: the bottom side wall of the through groove 6 is fixedly connected with a guide plate 7, the guide plate 7 is arranged in an inclined shape, and the color master batch flowing to the through groove 6 is guided into the next step or collected by the guide plate 7.

[0036] In specific use, the working principle of the utility model is as follows:

[0037] Color master batch screening and removal:

[0038] The servo motor 10 is started, the output end of the servo motor 10 rotates, the rotating rod 1 4 fixed thereon also rotates, and the plurality of screening members 5 fixed thereon also rotate, at this time, the color master batch is poured into the feeding hopper 3 in batches, the color master batch falls downward under the action of gravity, the color master batch with a diameter larger than the hole diameter of the screening member 5 is left on the screening member 5, the color master batch with a diameter larger than the hole diameter of the screening member 5 penetrates the screening member 5 and enters the discharge hopper 8 through the second screening net 9, and finally enters the stirring tank 1 for stirring, the large-particle color master batch left on the screening member 5 moves with the rotating screening member 5, when one end of the screening member 5 reaches the position of the through groove 6, the screening member 5 is arranged in an inclined shape, the color master batch on the upper surface rolls along the inclined side wall of the screening member 5 to the through groove 6, and then enters the collection place for collecting large particles under the guidance of the guide plate 7.

[0039] Stirring of the color master batch:

[0040] The output end of the servo motor 10 rotates with the rotating rod 1 4, and further rotates the helical gear 12 on the rotating rod 1 4. Since the two helical gears 12 are engaged with each other, the rotation of one helical gear 12 drives the other helical gear 12 to rotate, thereby driving the rotating rod 2 13 to rotate. When the rotating rod 2 13 rotates, the auger 15 and the plurality of stirring rods 14 fixed thereon rotate, thereby completing the rotation of the color master batch in the stirring tank 1. The auger 15 can effectively turn the raw materials in the stirring tank 1 up and down, which helps to mix the color master batch inside. The stirring rod 14 makes the raw materials inside rotate in the horizontal direction. The scraper 19 fixed on the stirring rod 14 can scrape the color master batch adhered to the wall of the cylinder when the stirring rod 14 rotates. After the stirring is completed, the valve on the discharge pipe 17 can be opened, and the color master batch after stirring is discharged through the discharge pipe 17.

[0041] The above only describes the preferred embodiments of the present application, and it should be pointed out that, for those skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A high temperature resistant polyethylene color master batch high speed mixer comprising a mixing tank (1), characterized in that: The upper end of the stirring tank (1) is fixedly connected with a screening cylinder (2), the upper end of the screening cylinder (2) is fixedly connected with a feeding hopper (3), the end of the screening cylinder (2) away from the feeding hopper (3) is fixedly connected with a discharging hopper (8), the discharging hopper (8) extends into the stirring tank (1), a screening mechanism is arranged in the screening cylinder (2), a through groove (6) is formed in the screening cylinder (2), and a servo motor (10) is fixedly connected to the side wall of the screening cylinder (2). A stirring mechanism is arranged in the stirring tank (1), the inner bottom end of the stirring tank (1) is fixedly connected with a guide table (16), the bottom end of the stirring tank (1) is fixedly connected with a supporting seat (18), and the bottom end of the stirring tank (1) is fixedly connected with a discharging pipe (17).

2. The high temperature resistant polyethylene color master batch high speed mixer according to claim 1, characterized in that: The screening mechanism comprises a rotating rod one (4), the rotating rod one (4) is rotatably connected in the screening cylinder (2) through a bearing, a plurality of screening pieces (5) are fixedly connected to the rotating rod one (4), and the two ends of the rotating rod one (4) extend out of the screening cylinder (2).

3. A high temperature resistant polyethylene color master batch high speed mixer as claimed in claim 2, wherein: The stirring mechanism comprises a fixed plate (11), the fixed plate (11) is fixedly connected to the upper end of the stirring tank (1), the bottom end of the fixed plate (11) is connected with a rotating rod two (13) through a bearing, the rotating rod two (13) extends into the stirring tank (1), a plurality of groups of stirring rods (14) are fixedly connected to the side wall of the rotating rod two (13), one end of each group of the stirring rods (14) is fixedly connected with a scraper (19), and an auger (15) is fixedly connected to the side wall of the rotating rod two (13).

4. The high temperature resistant polyethylene color master batch high speed mixer according to claim 3, characterized in that: The side wall of the rotating rod one (4) and the side wall of the rotating rod two (13) are both fixedly connected with a helical gear (12), and the two helical gears (12) are meshedly connected.

5. A high temperature resistant polyethylene color master batch high speed mixer as claimed in claim 4, wherein: The screening piece (5) comprises a mounting frame (51) and a screening net one (52), the mounting frame (51) is fixedly connected to the side wall of the rotating rod one (4), and the screening net one (52) is fixedly connected between the mounting frame (51) and the side wall of the rotating rod one (4).

6. A high temperature resistant polyethylene color master batch high speed mixer as claimed in claim 5 wherein: The outer side wall of the mounting frame (51) is arc-shaped in longitudinal section.

7. A high temperature resistant polyethylene color master batch high speed mixer as claimed in claim 6 wherein: The upper end of the discharging hopper (8) is fixedly connected with a screening net two (9), and the screening net two (9) is arc-shaped in longitudinal section.

8. The high temperature resistant polyethylene color master batch high speed mixer according to claim 7, characterized in that: The bottom side wall of the through groove (6) is fixedly connected with a material guide plate (7), and the material guide plate (7) is arranged in an inclined manner.

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