Mixing device for producing linear low-density polyethylene

Abstract

The utility model discloses a mixing device for producing linear low-density polyethylene, which belongs to the technical field of mixing equipment for producing polyethylene and comprises a base, a mixing box fixedly mounted at the upper end of the base, a stirring rod rotatably mounted in the mixing box, a first motor fixedly mounted in the base, and an output end of the first motor fixedly connected with the stirring rod. A round pipe is fixedly installed at the upper end of the mixing box, feeding ports are formed in the two sides of the round pipe, a round plate with round holes evenly formed in one end is fixedly installed in the mixing box, a scraping plate capable of rotating circumferentially is installed at the upper end of the round plate through a driving assembly, and a cleaning assembly used for cleaning the inner wall of the mixing box is installed on the outer side of a stirring rod. Cleaning liquid is sprayed through the water outlet holes to clean the inner wall of the mixing box, part of raw materials are prevented from remaining on the inner wall of the mixing box, the next mixing quality is prevented from being reduced, the raw materials can uniformly fall into the mixing box from the round holes by circumferentially rotating the scraping plate, the mixing efficiency is improved, and adhesion between the raw materials is also prevented.

Description

Technical Field

[0001] The utility model relates to a mixing device for producing linear low-density polyethylene, belonging to the technical field of mixing equipment for producing polyethylene. Background Art

[0002] Linear low-density polyethylene is a non-toxic, tasteless, odorless milky white particle with the advantages of high strength, good toughness, high rigidity, good heat and cold resistance, and good impact resistance and tear resistance. Therefore, it is widely used in industry, agriculture, medicine, and health. Before producing linear low-density polyethylene, it needs to be mixed, and a mixing device for linear low-density polyethylene production is required.

[0003] As disclosed in the publication number: CN211279274U, a mixing device for producing polyethylene composite pipes comprises a mixing barrel, a rotating assembly is arranged in the mixing barrel, two groups of stirring assemblies are fixedly mounted on the surface of the rotating assembly, the rotating assembly comprises a rotating shaft and a cavity arranged inside the rotating shaft, four groups of first discharge ports are symmetrically opened on the surface of the rotating shaft, one end of the top of the rotating shaft extends to the outside of the mixing barrel and is fixedly mounted with a feed hopper, a motor is fixedly mounted on the top of the mixing barrel, a synchronous pulley is fixedly mounted on the output shaft end of the motor, a synchronous pulley is also fixedly mounted on the surface of one end of the rotating shaft, and the two groups of synchronous pulleys are connected by synchronous belt transmission, a support plate is fixedly mounted on one side near the bottom of the mixing barrel, through holes are equidistantly arranged on the surface of the support plate, and a brush rod is arranged on the surface of the rotating shaft to ensure that the raw materials fully enter the rotation range between the stirring assemblies and improve the mixing efficiency.

[0004] When a common mixing device for linear low-density polyethylene production is in use, although a stirring component can be set to stir the raw materials to improve the mixing efficiency, when feeding, it is difficult for the raw materials to be evenly distributed in the mixing box when entering the mixing box, which affects the mixing speed and reduces the mixing efficiency. In addition, some raw materials will remain on the inner wall of the mixing box after use, which will reduce the quality of the next mixing. Utility Model Content

[0005] The purpose of the utility model is to provide a mixing device for linear low-density polyethylene production in order to solve the above problems, which can make the raw materials evenly distributed in the mixing box and clean the inner wall of the mixing box.

[0006] The utility model achieves the above-mentioned purpose through the following technical scheme: a mixing device for linear low-density polyethylene production, comprising a base, a mixing box is fixedly installed on the upper end of the base, a stirring rod is rotatably installed inside the mixing box, a first motor is fixedly installed inside the base, an output end of the first motor is fixedly connected to the stirring rod, a circular tube is fixedly installed on the upper end of the mixing box, feed ports are provided on both sides of the circular tube, a circular plate with circular holes evenly provided on one end is fixedly installed inside the mixing box, a scraper that can rotate in a circle is installed on the upper end of the circular plate through a driving component, a cleaning component for cleaning the inner wall of the mixing box is installed on the outer side of the stirring rod, when in use, the cleaning component is used to clean the raw materials remaining on the inner wall of the mixing box, the scraper is used to move the raw materials so that the raw materials fall evenly into the mixing box, the driving component is used to rotate the scraper, a plurality of circular holes are provided, and a discharge port with a hole plug inserted inside is provided on one side of the mixing box.

[0007] Preferably, in order to facilitate the pouring of raw materials, a U-shaped feed plate is fixedly installed inside the feed port.

[0008] Preferably, in order to enable the circular plate to rotate in a circle, the driving assembly includes a second motor, the second motor is fixedly mounted on the upper end of the circular tube, a rotating shaft is fixedly mounted on the output end of the second motor, and one end of the rotating shaft is in contact with the circular plate.

[0009] Preferably, in order to facilitate the movement of raw materials, the scrapers are installed in a circular array on the outside of the rotating shaft, and the number of the scrapers can be set according to actual conditions.

[0010] Preferably, in order to facilitate the storage of cleaning liquid, the cleaning component includes a water storage box, the water storage box is fixedly mounted on the upper end of the base, the stirring rod passes through the water storage box, a cavity is defined inside the stirring rod, the water storage box is communicated with the cavity, and the stirring rod is rotatably connected to the water storage box.

[0011] Preferably, in order to transport cleaning liquid into the water storage box, a water tank is fixedly installed on one side of the base, the water tank is connected to a water pump through a pipeline, one end of the water pump is fixedly connected to a water pipe, one end of the water pipe is connected to the water storage box, and the water tank is used to store cleaning liquid.

[0012] Preferably, in order to facilitate the movement of the movable plate, sliding grooves are opened in a circular array on the outside of the stirring rod, and the movable plate is slidably installed in the sliding groove. An annular plate is sleeved on the outside of the stirring rod, and the annular plate is fixedly connected to the movable plate. The movable plate can slide in the sliding groove, and card slots are opened on both sides of the sliding groove to prevent the movable plate from detaching from the sliding groove.

[0013] Preferably, in order to clean the inner wall of the mixing box, one end of the movable plate is provided with water outlet holes in a linear array, the water outlet holes are connected to the cavity, and the water outlet holes are used to spray cleaning liquid.

[0014] The beneficial effects of the utility model are as follows: when the utility model is in use, the scraper is rotated in a circle so that the raw materials fall evenly into the mixing box from the circular hole, thereby improving the mixing efficiency and preventing the raw materials from sticking together. The cleaning liquid can also be sprayed through the water outlet to clean the inner wall of the mixing box, thereby preventing part of the raw materials from remaining on the inner wall of the mixing box and reducing the quality of the next mixing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 It is a schematic diagram of the overall cross-sectional structure of the utility model.

[0017] Figure 3 It is a schematic diagram of the scraper connection structure of the utility model.

[0018] Figure 4 It is a schematic diagram of the connection structure of the cleaning component of the utility model.

[0019] Figure 5 It is a schematic diagram of the connection structure between the movable plate and the stirring rod of the utility model.

[0020] In the figure: 1. base; 2. mixing box; 3. stirring rod; 4. first motor; 5. round tube; 6. feed port; 7. round plate; 8. scraper; 9. cleaning component; 901. water storage box; 902. water tank; 903. water pump; 904. water pipe; 905. moving plate; 906. ring plate; 907. water outlet; 10. U-shaped feed plate; 11. second motor; 12. rotating shaft. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 5As shown, a mixing device for producing linear low-density polyethylene comprises a base 1, a mixing box 2 is fixedly installed on the upper end of the base 1, a stirring rod 3 is rotatably installed inside the mixing box 2, a first motor 4 is fixedly installed inside the base 1, an output end of the first motor 4 is fixedly connected to the stirring rod 3, a round tube 5 is fixedly installed on the upper end of the mixing box 2, a feed port 6 is opened on both sides of the round tube 5, a round plate 7 with round holes evenly opened at one end is fixedly installed inside the mixing box 2, a scraper 8 that can rotate in a circle is installed on the upper end of the round plate 7 through a driving component, and the stirring rod 3 is fixedly installed outside the mixing box 2. A cleaning component 9 for cleaning the inner wall of the mixing box 2 is installed on the side, and a U-shaped feed plate 10 is fixedly installed inside the feed port 6. When in use, first put the raw material on the U-shaped feed plate 10 and send it into the mixing box 2 through the feed port 6, start the driving component to drive the scraper 8 to rotate in a circle, drive the raw material to move, and evenly fall into the mixing box 2 through the circular holes on the circular plate 7, then start the first motor 4, drive the stirring rod 3 to rotate, stir and mix the raw materials, take them out from the discharge port after mixing, and then clean the inner wall of the mixing box 2 through the cleaning component 9.

[0023] like Figure 3 As shown, the driving assembly includes a second motor 11, which is fixedly mounted on the upper end of the circular tube 5. A rotating shaft 12 is fixedly mounted on the output end of the second motor 11. One end of the rotating shaft 12 is in contact with the circular plate 7. The scraper 8 is mounted in a circular array on the outside of the rotating shaft 12. When in use, the second motor 11 is started first to drive the rotating shaft 12 to rotate, and the scraper 8 then rotates in a circle on the circular plate 7, causing the raw materials to flow out through the circular holes and at the same time breaking up the raw materials that are stuck together.

[0024] like Figure 4 As shown, the cleaning component 9 includes a water storage box 901, which is fixedly mounted on the upper end of the base 1, the stirring rod 3 passes through the water storage box 901, a cavity is provided inside the stirring rod 3, the water storage box 901 is connected to the cavity, a water tank 902 is fixedly mounted on one side of the base 1, the water tank 902 is connected to a water pump 903 through a pipeline, one end of the water pump 903 is fixedly connected to a water pipe 904, one end of the water pipe 904 is connected to the water storage box 901, a sliding groove is provided in a circumferential array on the outside of the stirring rod 3, a movable plate 905 is slidably installed in the sliding groove, an annular plate 906 is sleeved on the outside of the stirring rod 3, and the annular plate 906 and the movable plate 905 are fixedly connected, and one end of the movable plate 905 is provided with water outlet holes 907 in a linear array, and the water outlet holes 907 are communicated with the cavity. When in use, the annular plate 906 is first manually moved and fixed by a pin or a screw, driving the movable plate 905 to move downward, so that the water outlet holes 907 are communicated with the cavity, and then the water pump 903 is started to transport the cleaning liquid in the water tank 902 to the water storage box 901 through the water pipe 904, and then sprayed from the water outlet holes 907 through the cavity to the inner wall of the mixing box 2 for cleaning, and then the first motor 4 is started to drive the movable plate 905 to rotate, and the inner wall of the mixing box 2 is evenly and comprehensively cleaned.

[0025] When the utility model is in use, the raw materials are first fed into the mixing box 2 through the feed port 6, and then the second motor 11 is started to drive the scraper 8 to rotate in a circle. The scraper 8 breaks up the raw materials that are stuck together, so that the raw materials fall evenly into the mixing box 2 from the circular hole, thereby improving the mixing efficiency and preventing the raw materials from sticking together. Then the first motor 4 is started to drive the stirring rod 3 to rotate, and the raw materials are stirred and mixed. After mixing, the raw materials are taken out from the discharge port, and then the annular plate 906 is manually moved and fixed so that the water outlet 907 is aligned and connected to the cavity. Then the water pump 903 is started to spray the cleaning liquid in the water tank 902 onto the inner wall of the mixing box 2 through the water outlet 907. Then the first motor 4 is started to drive the moving plate 905 to rotate, and the raw materials remaining on the inner wall of the mixing box 2 are evenly and comprehensively cleaned to improve the quality of the next mixing.

[0026] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A mixing device for producing linear low-density polyethylene, comprising a base (1), a mixing box (2) fixedly mounted on the upper end of the base (1), a stirring rod (3) rotatably mounted inside the mixing box (2), a first motor (4) fixedly mounted inside the base (1), an output end of the first motor (4) fixedly connected to the stirring rod (3), characterized in that: A circular tube (5) is fixedly mounted on the upper end of the mixing box (2), and feed ports (6) are provided on both sides of the circular tube (5). A circular plate (7) having circular holes evenly provided at one end is fixedly mounted inside the mixing box (2), and a scraper (8) that can rotate in a circular motion is mounted on the upper end of the circular plate (7) via a driving assembly. A cleaning assembly (9) for cleaning the inner wall of the mixing box (2) is mounted on the outer side of the stirring rod (3).

2. The mixing device for producing linear low-density polyethylene according to claim 1, characterized in that: A U-shaped feed plate (10) is fixedly installed inside the feed port (6).

3. The mixing device for producing linear low-density polyethylene according to claim 1, characterized in that: The driving assembly comprises a second motor (11), the second motor (11) being fixedly mounted on the upper end of the circular tube (5), a rotating shaft (12) being fixedly mounted on the output end of the second motor (11), and one end of the rotating shaft (12) being in contact with the circular plate (7).

4. The mixing device for producing linear low-density polyethylene according to claim 3, characterized in that: The scrapers (8) are installed in a circular array outside the rotating shaft (12).

5. The mixing device for producing linear low-density polyethylene according to claim 1, characterized in that: The cleaning assembly (9) comprises a water storage box (901), wherein the water storage box (901) is fixedly mounted on the upper end of the base (1), the stirring rod (3) passes through the water storage box (901), a cavity is provided inside the stirring rod (3), and the water storage box (901) is in communication with the cavity.

6. The mixing device for producing linear low-density polyethylene according to claim 5, characterized in that: A water tank (902) is fixedly mounted on one side of the base (1); the water tank (902) is connected to a water pump (903) via a pipeline; one end of the water pump (903) is fixedly connected to a water pipe (904); one end of the water pipe (904) is in communication with the water storage box (901).

7. The mixing device for producing linear low-density polyethylene according to claim 6, characterized in that: The outer side of the stirring rod (3) is provided with sliding grooves in a circumferential array, a movable plate (905) is slidably mounted in the sliding groove, an annular plate (906) is sleeved on the outer side of the stirring rod (3), and the annular plate (906) is fixedly connected to the movable plate (905).

8. The mixing device for producing linear low-density polyethylene according to claim 7, characterized in that: One end of the movable plate (905) is provided with water outlet holes (907) in a linear array, and the water outlet holes (907) are connected to the cavity.

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