CN212595290U

CN212595290U - Stirring device suitable for polypropylene reaction kettle

Info

Publication number: CN212595290U
Application number: CN202020571228.7U
Authority: CN
Inventors: 鄢李黎
Original assignee: Medacor Hubei Industry Co ltd
Current assignee: Medacor Hubei Industry Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2021-02-26
Anticipated expiration: 2030-04-17

Abstract

The utility model discloses a stirring device suitable for a polypropylene reactor, comprising a reactor body, a motor, an anchor-type stirring paddle, a reducer and a blade-type stirring paddle. The reactor body is a cylindrical reactor, and the reactor body is a cylindrical reactor. The top of the body is a truncated cone, the bottom of the reactor body is an inverted truncated cone, a number of evenly distributed legs are welded to the bottom of the reactor body, the feed port is welded with the opening on the side of the top of the reactor body, and the middle position of the bottom of the reactor body is open. The hole is welded with a discharge port, the overall structure is stable and the stirring efficiency is high, and at the same time, it can prevent the materials on the inner wall of the reactor from sticking. The outer side of the anchor stirring paddle is provided with scraping plates, so that the stirring paddle can be scraped while rotating, the tripod can reduce the axial load of the rotating shaft, and the cover plates on both sides of the reducer play a sealing role.

Description

Stirring device suitable for polypropylene reaction kettle

Technical Field

The utility model relates to a stirring apparatus, in particular to a stirring apparatus suitable for a polypropylene reaction kettle.

Background

In the reaction process of polypropylene and polyester, materials in a reaction kettle need to be stirred fully and uniformly to realize high-efficiency reaction, so that the influence of selecting a correct stirrer on the stirring quality is very important. The existing reaction kettle generally adopts a blade type stirring or plate type stirrer, but the stirring rod of the existing reaction kettle is fixed at one position, so that the materials on the inner wall of the reaction kettle cannot be fully stirred, the reaction efficiency is low, a large amount of time of a user is wasted, and the working efficiency of the user is reduced; in addition, because the stirring paddle of the stirring machine can only rotate in one direction, the polypropylene material in the stirring machine can only move in one direction, and deep fine stirring can not be performed on the polypropylene material, so that the stirring uniformity is poor, and the stirring efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a agitating unit suitable for polypropylene reation kettle to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a stirring device suitable for a polypropylene reaction kettle comprises a reaction kettle body, a motor, an anchor type stirring paddle, a speed reducer and a blade type stirring paddle, wherein the reaction kettle body is a cylindrical reaction kettle, the top of the reaction kettle body is a frustum, the bottom of the reaction kettle body is an inverted frustum, a plurality of uniformly distributed support legs are welded at the bottom of the reaction kettle body, a feed inlet is welded at the side of the top of the reaction kettle body, a discharge outlet is welded at the middle position of the bottom of the reaction kettle body, an exhaust valve is fixed at the other side of the top of the reaction kettle body through welding, a circular through hole is formed at the middle position of the top of the reaction kettle body, the bottom surface of a support ring is fixedly welded above the circular through hole at the middle position of the top of the reaction kettle body, the support ring is at a vertical position, the motor is fixedly welded at the, the axis of rotation passes reation kettle body top, the axis of rotation is through interference fit fixed bearing between reation kettle body top, the bottom of axis of rotation is through welded fastening in axle sleeve inner circle, welded fastening anchor formula stirring rake is passed through to the outer lane both sides of axle sleeve, the anchor formula stirring rake is U type and both sides are close reation kettle body inner wall, the bottom upper surface welding of reation kettle body has the tripod, the top and the axis of rotation of tripod contact, the tripod is used for the auxiliary stay axis of rotation, the top of axle sleeve is located the axis of rotation and is fixed with the reduction gear.

As a further aspect of the present invention: the reduction gear is planetary reducer, the reduction gear includes the ring gear, the sun gear, planet wheel and planet carrier, the sun gear passes through welded fastening in the axis of rotation, the outer lane of sun gear has the planet wheel of three equipartition through the tooth meshing, the center pin both sides of planet wheel are fixed in on the planet carrier through the bearing, the planet carrier is equilateral triangle, the outer lane meshing of three planet wheel is inside a ring gear, the upper and lower two sides of ring gear are fixed with circular apron through threaded connection, both sides apron compresses tightly the planet carrier of planet wheel both sides respectively fixedly, the even welding of outer lane of ring gear has vane type stirring rake, vane type stirring rake comprises four blades.

As a further aspect of the present invention: the outside welded fastening of anchor formula stirring rake has the flitch of scraping, scrapes the flitch and is formed by steel wire winding suppression, and the both sides welding that anchor formula stirring rake is located the axle sleeve has the strengthening rib, and the strengthening rib is the slice and connects between anchor formula stirring rake and axle sleeve.

Compared with the prior art, the beneficial effects of the utility model are that: overall structure is firm and stirring efficiently, can prevent simultaneously that reation kettle inner wall material from bonding, rotates through vane type stirring rake and anchor stirring rake differential for the more meticulous stirring of inside material of reation kettle, the outside of anchor stirring rake is equipped with scrapes the flitch, makes the stirring rake can scrape the material operation in the pivoted, and the tripod can reduce the axial load of axis of rotation, and the apron of reduction gear both sides has played sealed effect.

Drawings

FIG. 1 is a schematic structural diagram of a stirring device suitable for a polypropylene reaction kettle.

FIG. 2 is a top view of a blade type stirring paddle in a stirring device suitable for a polypropylene reaction kettle.

As shown in the figure: 1. a reaction kettle body; 2. a motor; 3. a blade type stirring paddle; 4. a speed reducer; 5. an anchor type stirring paddle; 6. a scraping plate; 7. reinforcing ribs; 8. a shaft sleeve; 9. a rotating shaft; 10. a feed inlet; 11. a discharge port; 12. a bearing; 13. A support ring; 14. a tripod; 15. a cover plate; 16. a ring gear; 17. a sun gear; 18. a planet wheel; 19. a planet carrier.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, in the embodiment of the present invention, a stirring apparatus suitable for a polypropylene reaction kettle comprises a reaction kettle body 1, a motor 2, an anchor type stirring paddle 5, a speed reducer 4 and a blade type stirring paddle 3, wherein the reaction kettle body 1 is a cylindrical reaction kettle, the top of the reaction kettle body 1 is a frustum, the bottom of the reaction kettle body 1 is an inverted frustum, a plurality of evenly distributed support legs are welded at the bottom of the reaction kettle body 1, a feed inlet 10 is welded at a hole at the side of the top of the reaction kettle body 1, a discharge outlet 11 is welded at a hole at the middle position at the bottom of the reaction kettle body 1, an exhaust valve is fixed at the other side of the top of the reaction kettle body 1 by welding, a circular through hole is opened at the middle position at the top of the reaction kettle body 1, the bottom surface of a support ring 13 is welded and fixed, top welded fastening of support ring 13 has motor 2, motor 2's output shaft is perpendicular downward, motor 2's output shaft is fixed with axis of rotation 9 through the key round pin cooperation, axis of rotation 9 passes 1 top of reation kettle body, axis of rotation 9 is through interference fit fixed bearing 12 between 1 top of reation kettle body, welded fastening is passed through to the bottom of axis of rotation 9 in 8 inner circles of axle sleeve, welded fastening anchor stirring rake 5 is passed through to the outer lane both sides of axle sleeve 8, anchor stirring rake 5 is U type and both sides are close reation kettle body 1 inner wall, surface welding has tripod 14 on the bottom of reation kettle body 1, the top of tripod 14 contacts with axis of rotation 9, tripod 14 is used for auxiliary stay axis of rotation 9, the top of axle sleeve 8 is located to be fixed with reduction gear 4 in the axis of rotation 9.

The speed reducer 4 is a planetary speed reducer 4, the speed reducer 4 comprises a gear ring 16 and a sun gear 17, planet wheel 18 and planet carrier 19, sun gear 17 is fixed in axis of rotation 9 through the welding, sun gear 17's outer lane has the planet wheel 18 of three equipartition through the tooth meshing, planet wheel 18's center pin both sides are fixed in on planet carrier 19 through bearing 12, planet carrier 19 is equilateral triangle, three planet wheel 18's outer lane meshes inside a ring gear 16, ring gear 16 is the ring that the inboard is equipped with the annular rack, the rack both sides of ring gear 16 are attacked threadedly, ring gear 16's upper and lower two sides are fixed with circular apron 15 through threaded connection, threaded connection department cover has the rubber ring to compress tightly between apron 15 and the ring gear 16 and seals, both sides apron 15 compresses tightly fixedly respectively planet carrier 19 of planet wheel 18 both sides, ring gear 16's outer lane evenly welded has vane type stirring rake 3, vane type stirring rake 3 includes four blades.

The outside welded fastening of anchor stirring rake 5 has scraping flitch 6, and scraping flitch 6 is formed by steel wire winding suppression, and anchor stirring rake 5 is located the both sides welding of axle sleeve 8 and has strengthening rib 7, and strengthening rib 7 is the slice and connects between anchor stirring rake 5 and axle sleeve 8.

The model of motor 2 adopts 57BYGH56-401A and supporting power and circuit thereof in this scheme, and motor 2's power supply interface passes through the switch and connects power supply system, realizes motor 2's rotation control, involves that circuit and electronic components and module are prior art, and the skilled person in the art can realize completely, need not beyond a limit the suggestion, the utility model discloses the content of protection also does not relate to the improvement to software and method.

The utility model discloses a theory of operation is: starter motor 2, motor 2 drives axis of rotation 9 and rotates, the outside of anchor stirring rake 5 is scraped the material of attaching to 1 inner wall of reation kettle body down through scraping flitch 6, the top of 5 axle sleeves 8 of anchor stirring rake is connected with blade type stirring rake 3 through reduction gear 4, because the rotational speed of blade type stirring rake 3 and anchor stirring rake 5 is inconsistent, make the reaction more abundant through the differential stirring, tripod 14 can reduce the axial load of axis of rotation 9, the apron 15 of 4 both sides of reduction gear has played sealed effect, thereby prevent that liquid from getting into inside apron 15.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A stirring device suitable for a polypropylene reactor, comprising a reactor body (1), a motor (2), an anchor-type stirring paddle (5), a reducer (4) and a blade-type stirring paddle (3), which It is characterized in that the reactor body (1) is a cylindrical reactor, the top of the reactor body (1) is a frustum, the bottom of the reactor body (1) is an inverted frustum, and the bottom of the reactor body (1) is welded A number of evenly distributed legs, the reactor body (1) has a feeding port (10) welded with a hole on the top side, and a discharge port (11) is welded with a hole in the middle of the bottom of the reactor body (1). (1) An exhaust valve is fixed on the other side of the top by welding, a circular through hole is opened in the middle of the top of the reactor body (1), and a support ring is welded on the top of the circular through hole in the middle of the top of the reactor body (1). On the bottom surface of (13), the support ring (13) is in a vertical position, the top of the support ring (13) is welded and fixed with the motor (2), the output shaft of the motor (2) is vertically downward, and the output shaft of the motor (2) passes the key The pin is fixed with a rotating shaft (9), the rotating shaft (9) passes through the top of the reactor body (1), and the rotating shaft (9) fixes the bearing (12) between the top of the reactor body (1) through an interference fit, The bottom end of the rotating shaft (9) is fixed to the inner ring of the shaft sleeve (8) by welding, and the two sides of the outer ring of the shaft sleeve (8) are fixed by welding to fix the anchor type stirring paddle (5), and the anchor type stirring paddle (5) is U type and both sides are close to the inner wall of the reactor body (1), the bottom upper surface of the reactor body (1) is welded with a tripod (14), the top of the tripod (14) is in contact with the rotating shaft (9), the tripod (14) 14) It is used to assist in supporting the rotating shaft (9), and a speed reducer (4) is fixed on the rotating shaft (9) above the shaft sleeve (8).

2. A stirring device suitable for a polypropylene reactor according to claim 1, characterized in that the speed reducer (4) is a planetary speed reducer (4), and the speed reducer (4) comprises a ring gear (16). ), the sun gear (17), the planet gear (18) and the planet carrier (19), the sun gear (17) is fixed on the rotating shaft (9) by welding, and the outer ring of the sun gear (17) is meshed with three gears. The planetary gear (18) of the cloth, the two sides of the central axis of the planetary gear (18) are fixed on the planetary carrier (19) through the bearings (12), the planetary carrier (19) is an equilateral triangle, and the three planetary gears (18) The outer ring is engaged with a ring gear (16), and the upper and lower surfaces of the ring gear (16) are fixed with a circular cover plate (15) through a screw connection. The frame (19) is pressed and fixed, the outer ring of the gear ring (16) is uniformly welded with a blade-type stirring paddle (3), and the blade-type stirring paddle (3) is composed of four blades.

3. A stirring device suitable for a polypropylene reactor according to claim 1, characterized in that, a scraper plate (6) is welded and fixed on the outer side of the anchor-type stirring paddle (5), and the anchor-type stirring paddle (5) Reinforcing ribs (7) are welded on both sides of the shaft sleeve (8).