CN216727265U

CN216727265U - Reaction kettle capable of fully stirring raw materials and used for polyurethane production

Info

Publication number: CN216727265U
Application number: CN202220378599.2U
Authority: CN
Inventors: 仇进华; 赵秀华
Original assignee: Yantai Longda Resin Co ltd
Current assignee: Yantai Longda Resin Co ltd
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-06-14
Anticipated expiration: 2032-02-23

Abstract

The utility model relates to a reaction kettle capable of fully stirring raw materials for polyurethane production, which comprises a reaction kettle, wherein the reaction kettle comprises a kettle body and a kettle cover above the kettle body; a stirring mechanism is arranged in the kettle body and comprises a main gear, a transmission shaft is coaxially keyed on the main gear, and a motor is installed on the top surface of the kettle cover; through the rabbling mechanism that sets up: the output shaft of the motor drives the main gear to rotate, the main gear drives the plurality of auxiliary gears to rotate, the auxiliary gears synchronously drive the plurality of stirring shafts and the plurality of stirring blades to synchronously rotate, and the raw materials in the kettle body can be fully stirred along with the rotation of the plurality of stirring blades, so that the reaction efficiency of the raw materials is favorably accelerated; through the screw post, first fixed block, second fixed block and nut etc. that set up, be convenient for carry out the dismouting to (mixing) shaft and stirring leaf to be convenient for wash or operation such as maintenance to (mixing) shaft and stirring leaf.

Description

Reaction kettle capable of fully stirring raw materials and used for polyurethane production

Technical Field

The utility model relates to the technical field of polyurethane production, in particular to a reaction kettle for polyurethane production, which can fully stir raw materials.

Background

In the production process of polyurethane, a plurality of different raw materials are required to be added into a reaction kettle for reaction; at present, generally be provided with the (mixing) shaft in the reation kettle and be used for mixing different raw materials, but current reation kettle is mostly the unipolar stirring design, and when the raw materials in reation kettle was more, current (mixing) shaft was difficult to carry out intensive mixing to multiple raw materials to influenced the reaction efficiency of raw materials in the reation kettle, in view of this, we provide a reation kettle for polyurethane production that can the intensive mixing raw materials.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a reaction kettle for producing polyurethane, which can fully stir raw materials, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a reaction kettle capable of fully stirring raw materials for polyurethane production comprises a reaction kettle, wherein the reaction kettle comprises a kettle body and a kettle cover above the kettle body; a stirring mechanism is arranged in the kettle body and comprises a main gear, a transmission shaft is coaxially connected to the main gear in a keyed mode, a motor is installed on the top surface of the kettle cover, and an output shaft of the motor penetrates through the kettle cover and is coaxially keyed with the transmission shaft; the stirring device is characterized in that a plurality of auxiliary gears are meshed on the peripheral sides of the main gear, a connecting shaft is coaxially connected to the auxiliary gears in a keyed mode, a stirring shaft is arranged below the connecting shaft, and a plurality of stirring blades are fixedly connected to the stirring shaft through bolts.

As a preferred technical scheme of the utility model, a jacket is arranged in the kettle body, an air inlet is tightly welded at the top end of the outer wall of the kettle body, an air outlet is tightly welded at the bottom end of the outer wall of the kettle body, and the air inlet and the air outlet are both communicated with the jacket; the bottom of the kettle body is fixedly connected with a plurality of support legs through bolts.

As a preferred technical scheme of the utility model, a first fixing block is tightly welded on the connecting shaft near the bottom end, a threaded column is tightly welded on the bottom surface of the first fixing block, and a nut is connected to the threaded column in a threaded manner; the coaxial inseparable welding of top department of (mixing) shaft has the sleeve pipe that the top is open type structure, the bottom and the sleeve pipe grafting cooperation of connecting axle, the inseparable welding has the second fixed block on the sleeve pipe, the screw thread post passes the second fixed block, the nut supports the bottom surface of tight second fixed block.

As a preferable technical scheme of the utility model, the kettle cover is provided with a feeding port, the bottom surface of the kettle body is provided with a discharging port, the discharging port is provided with a valve, and the feeding port and the discharging port are both communicated with the interior of the kettle body.

According to the preferable technical scheme, the upper side and the lower side of the main gear are respectively provided with a Y-shaped fixing plate, the tail end of each fixing plate is tightly welded with a mounting plate, the overall shape of each mounting plate is arc-shaped, two ends of each mounting plate are respectively provided with a mounting hole, and the mounting holes are fixedly connected with the inner wall of the kettle cover through bolts; the transmission shaft and the connecting shaft penetrate through the fixed plate and are rotatably connected with the fixed plate.

As the preferable technical scheme of the utility model, a plurality of stirring blades are linearly distributed at equal intervals from top to bottom.

As a preferable technical scheme of the utility model, the kettle body and the kettle cover are fixedly connected through bolts.

Compared with the prior art, the utility model has the beneficial effects that:

1. through the rabbling mechanism that sets up: the output shaft of the motor drives the main gear to rotate, the main gear drives the plurality of auxiliary gears to rotate, the auxiliary gears synchronously drive the plurality of stirring shafts and the plurality of stirring blades to synchronously rotate, and the raw materials in the kettle body can be fully stirred along with the rotation of the plurality of stirring blades, so that the reaction efficiency of the raw materials is favorably accelerated;

2. through the screw post, first fixed block, second fixed block and nut etc. that set up, be convenient for carry out the dismouting to (mixing) shaft and stirring leaf to be convenient for wash or operation such as maintenance to (mixing) shaft and stirring leaf.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the overall construction of the present invention;

FIG. 3 is a schematic structural view of a stirring mechanism according to the present invention;

FIG. 4 is a schematic view of a portion of the stirring mechanism according to the present invention;

FIG. 5 is a second schematic view of a portion of the stirring mechanism of the present invention;

fig. 6 is a schematic view of a partially exploded structure of the stirring mechanism of the present invention.

In the figure:

1. a reaction kettle; 11. a kettle body; 111. a jacket; 12. an air inlet; 13. an exhaust port; 14. a kettle cover; 15. a feeding port; 16. a discharge outlet; 17. a support leg;

2. a stirring mechanism; 21. a main gear; 211. a drive shaft; 22. a pinion gear; 23. a connecting shaft; 231. a first fixed block; 232. a threaded post; 233. a nut; 24. a stirring shaft; 241. stirring blades; 25. a sleeve; 251. a second fixed block; 26. a fixing plate; 27. mounting a plate; 271. mounting holes; 28. an electric motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The embodiment provides a technical scheme:

referring to fig. 1-2, a reaction kettle for producing polyurethane, which can sufficiently stir raw materials, comprises a reaction kettle 1, wherein the reaction kettle 1 comprises a kettle body 11 and a kettle cover 14 above the kettle body 11; a jacket 111 is arranged inside the kettle body 11, an air inlet 12 is tightly welded at the top end of the outer wall of the kettle body 11, an air outlet 13 is tightly welded at the bottom end of the outer wall of the kettle body 11, and the air inlet 12 and the air outlet 13 are both communicated with the jacket 111; the bottom of the kettle body 11 is fixedly connected with a plurality of support legs 17 through bolts.

In this embodiment, a feeding port 15 is arranged on the kettle cover 14, a discharging port 16 is arranged on the bottom surface of the kettle body 11, a valve is arranged on the discharging port 16, the feeding port 15 and the discharging port 16 are both communicated with the inside of the kettle body 11, the feeding port 15 is arranged to facilitate the feeding of raw materials into the kettle body 11, and the discharging port 16 is arranged to facilitate the discharging of reactants in the kettle body 11.

In this embodiment, the kettle 11 and the kettle cover 14 are fixedly connected by bolts, and the bolts are not only firmly fixed, but also conveniently detachable from the kettle 11 and the kettle cover 14.

Referring to fig. 3-6, a stirring mechanism 2 is arranged in the kettle body 11, the stirring mechanism 2 includes a main gear 21, a transmission shaft 211 is coaxially keyed on the main gear 21, a motor 28 is installed on the top surface of the kettle cover 14, and an output shaft of the motor 28 penetrates through the kettle cover 14 and is coaxially keyed with the transmission shaft 211; a plurality of auxiliary gears 22 are meshed with the peripheral side of the main gear 21, a connecting shaft 23 is coaxially connected to the auxiliary gears 22 in a key mode, a stirring shaft 24 is arranged below the connecting shaft 23, and a plurality of stirring blades 241 are fixedly connected to the stirring shaft 24 through bolts; a first fixing block 231 is tightly welded on the connecting shaft 23 close to the bottom end, a threaded column 232 is tightly welded on the bottom surface of the first fixing block 231, and a nut 233 is connected on the threaded column 232 in a threaded manner; the top end of the stirring shaft 24 is coaxially and tightly welded with a sleeve 25 with an open-top structure, the bottom end of the connecting shaft 23 is in plug-in fit with the sleeve 25, the sleeve 25 is tightly welded with a second fixing block 251, the threaded column 232 penetrates through the second fixing block 251, and the nut 233 abuts against the bottom surface of the second fixing block 251.

In this embodiment, the upper and lower sides of the main gear 21 are respectively provided with a Y-shaped fixing plate 26, the end of each fixing plate 26 is tightly welded with a mounting plate 27, the overall shape of the mounting plate 27 is arc-shaped, two ends of each mounting plate 27 are respectively provided with a mounting hole 271, and the mounting holes 271 are fixedly connected with the inner wall of the kettle cover 14 through bolts; the transmission shaft 211 and the connection shaft 23 both penetrate through the fixing plate 26 and are rotatably connected with the fixing plate 26, the fixing plate 26 is arranged to support and fix the main gear 21 and the pinion 22, and the mounting plate 27 is arranged to facilitate mounting and fixing of the fixing plate 26, so that the stirring shaft 24 and the stirring blades 241 facilitate stirring of the raw materials in the kettle body 11.

In this embodiment, a plurality of stirring leaves 241 are from last to being linear equidistant distribution down, and the setting of a plurality of stirring leaves 241 is convenient for carry out abundant comprehensive stirring to the raw materials in the cauldron body 11, has improved the effect of stirring.

It should be added that the size of the connecting shaft 23 in this embodiment is matched with the opening size of the sleeve 25, and when the connecting shaft 23 is inserted into the sleeve 25, the connecting shaft 23 and the sleeve 25 have better connection tightness, so as to improve the connection stability of the connecting shaft 23 and the stirring shaft 24.

It should be noted that the motor 28 in the present embodiment is conventional in the art, and will not be described herein.

When the material mixing device is used, a user firstly puts raw materials into the kettle body 11 through the feeding port 15, high-temperature steam enters the jacket 111 through the air inlet 12, the temperature in the kettle body 11 rises synchronously, then the user connects a power supply of the motor 28, an output shaft of the motor 28 rotates to drive the transmission shaft 211 and the main gear 21 to rotate, the main gear 21 is meshed with the pinion 22, the pinion 22 rotates synchronously and drives the connection shaft 23, the sleeve 25 and the stirring shaft 24 to rotate synchronously, the stirring shaft 24 drives the stirring blades 241 to rotate synchronously, the rotating stirring blades 241 stir the raw materials in the kettle body 11, and the raw materials react in the kettle body 11 under the action of high temperature;

when stirring leaf 241 needs to be cleaned or maintained, the user firstly unscrews the connecting bolt of kettle cover 14 and kettle body 11 and takes off kettle cover 14, stirring mechanism 2 is synchronous to follow kettle cover 14 and breaks away from kettle body 11, then the user unscrews nuts 233 on the plurality of threaded columns 232, first fixed block 231 breaks away from second fixed block 251, threaded columns 232 break away from second fixed block 251, stirring shaft 24 and the plurality of stirring leaf 241 break away from connecting shaft 23 at this moment, and finally the user can clean or maintain stirring leaf 241.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a can intensive mixing raw materials's reation kettle for polyurethane production, includes reation kettle (1), its characterized in that: the reaction kettle (1) comprises a kettle body (11) and a kettle cover (14) above the kettle body (11); a stirring mechanism (2) is arranged in the kettle body (11), the stirring mechanism (2) comprises a main gear (21), a transmission shaft (211) is coaxially connected to the main gear (21) in a key joint mode, a motor (28) is installed on the top surface of the kettle cover (14), and an output shaft of the motor (28) penetrates through the kettle cover (14) and is coaxially connected with the transmission shaft (211) in a key joint mode; the utility model discloses a stirring, including main gear (21), auxiliary gear (22), coaxial key joint has connecting axle (23) on auxiliary gear (22), the below of connecting axle (23) is equipped with (mixing) shaft (24), pass through a plurality of stirring leaves (241) of bolt fixedly connected with on (mixing) shaft (24).

2. The reaction kettle for producing polyurethane capable of sufficiently stirring raw materials according to claim 1, wherein: a jacket (111) is arranged inside the kettle body (11), an air inlet (12) is tightly welded at the top end of the outer wall of the kettle body (11), an air outlet (13) is tightly welded at the bottom end of the outer wall of the kettle body (11), and the air inlet (12) and the air outlet (13) are both communicated with the jacket (111); the bottom of the kettle body (11) is fixedly connected with a plurality of support legs (17) through bolts.

3. The reaction kettle for producing polyurethane capable of sufficiently stirring raw materials according to claim 1, wherein: a first fixing block (231) is tightly welded on the connecting shaft (23) close to the bottom end, a threaded column (232) is tightly welded on the bottom surface of the first fixing block (231), and a nut (233) is connected onto the threaded column (232) in a threaded manner; the coaxial tight welding of the top of (mixing) shaft (24) has sleeve pipe (25) that the top is open type structure, the bottom and the sleeve pipe (25) grafting cooperation of connecting axle (23), the tight welding has second fixed block (251) on sleeve pipe (25), screw thread post (232) pass second fixed block (251), nut (233) support the bottom surface tightly of second fixed block (251).

4. The reaction kettle for producing polyurethane capable of sufficiently stirring raw materials according to claim 1, wherein: be equipped with dog-house (15) on kettle cover (14), the bottom surface of the cauldron body (11) is equipped with bin outlet (16), be equipped with the valve on bin outlet (16), dog-house (15) and bin outlet (16) all are linked together with the inside of the cauldron body (11).

5. The reaction kettle for producing polyurethane capable of sufficiently stirring raw materials according to claim 1, wherein: y-shaped fixing plates (26) are arranged on the upper side and the lower side of the main gear (21), mounting plates (27) are tightly welded at the tail ends of the fixing plates (26), the mounting plates (27) are arc-shaped as a whole, mounting holes (271) are formed in the two ends of each mounting plate (27), and the mounting holes (271) are fixedly connected with the inner wall of the kettle cover (14) through bolts; the transmission shaft (211) and the connecting shaft (23) penetrate through the fixing plate (26) and are rotatably connected with the fixing plate (26).

6. The reaction kettle for producing polyurethane capable of sufficiently stirring raw materials according to claim 1, wherein: a plurality of stirring leaf (241) are from last to being linear equidistant distribution down.

7. The reaction kettle for producing polyurethane capable of sufficiently stirring raw materials according to claim 1, wherein: the kettle body (11) is fixedly connected with the kettle cover (14) through bolts.