CN215743451U - A multistage stirring reation kettle for polyurethane resin production - Google Patents

Abstract

The utility model discloses a multistage stirring reaction kettle for producing polyurethane resin, which comprises a kettle body; an opposite-flushing mixing component is arranged in the kettle body; the opposite-punching mixing assembly comprises a group of centrosymmetric guide cylinders, the guide cylinders are connected with a stirring rod through a connecting rod, and the upper end of the stirring rod is connected with an output shaft of a driving motor through a first transmission gear set; the centrosymmetric guide shell is provided with an inner outlet which is arranged oppositely, and one end of the guide shell far away from the inner outlet is provided with an outer feed inlet; the draft tube is provided with a spiral conveying roller. The utility model has the advantages that the guide cylinder, the spiral conveying roller, the connecting shaft, the mounting disc and the walking gear are arranged in central symmetry, so that the guide cylinder performs circular motion and simultaneously forcibly conveys the raw materials at the upper part and the lower part in the kettle body to the middle part of the kettle body for collision mixing, the mixing effect is improved, and the mixing speed is increased.

Description

A multistage stirring reation kettle for polyurethane resin production

Technical Field

The utility model relates to the field of polyurethane resin production mixing equipment, in particular to a multistage stirring reaction kettle for polyurethane resin production.

Background

In polyurethane resin production, need use the stirred tank to mix the stirring to the raw materials, stirring subassembly simple structure in traditional stirred tank can't make the abundant mixture of the sticky resin raw materials of the internal different positions of cauldron, and mixing speed is slow, and the mixing effect is not good.

SUMMERY OF THE UTILITY MODEL

Based on the defects in the prior art mentioned in the background art, the utility model provides a multistage stirring reaction kettle for producing polyurethane resin.

The utility model overcomes the technical problems by adopting the following technical scheme, and specifically comprises the following steps:

a multi-stage stirring reaction kettle for producing polyurethane resin comprises a kettle body; an opposite-flushing mixing component is arranged in the kettle body; the opposite-punching mixing assembly comprises a group of centrosymmetric guide cylinders, the guide cylinders are connected with a stirring rod through a connecting rod, and the upper end of the stirring rod is connected with an output shaft of a driving motor through a first transmission gear set; the centrosymmetric guide shell is provided with an inner outlet which is arranged oppositely, and one end of the guide shell far away from the inner outlet is provided with an outer feed inlet; the installation of draft tube has spiral conveying roller, spiral conveying roller fixedly connected with connecting axle, the connecting axle rotate be connected with puddler fixed connection's mounting disc, connecting axle upper end fixedly connected with walking gear, the walking gear meshing have with cauldron body inner wall fixed connection's ring gear.

As a preferable scheme of the utility model: a central stirring wheel is arranged between the guide cylinders and is positioned between the inner outlets; the central stirring wheel is fixedly connected with an inner rotating shaft, the inner rotating shaft penetrates through the stirring rod and extends to the upper part of the stirring rod, and the inner rotating shaft is connected with an output shaft of a driving motor through a second transmission gear set.

As a preferable scheme of the utility model: the central stirring wheel top is equipped with the stirring wheel, goes up stirring wheel and puddler fixed connection, and central stirring wheel below is equipped with down the stirring wheel, stirs wheel and adversion axle fixed connection down.

As a preferable scheme of the utility model: the upper part of the kettle body is communicated with a feed hopper, the lower part of the kettle body is communicated with a discharge pipe, and the discharge pipe is provided with a valve.

As a preferable scheme of the utility model: the guide shell is a cylindrical shell in shape.

As a preferable scheme of the utility model: the mounting plate is a disc and is in sliding butt joint with the inner wall of the kettle body; the puddler runs through the cauldron body and extends to cauldron body top, and first transmission gear group includes the first gear with puddler fixed connection, and first gear engagement has the second gear, second gear and driving motor's output shaft fixed connection.

As a preferable scheme of the utility model: the second transmission gear set comprises a third gear fixedly connected with the inner rotating shaft, the third gear is meshed with a second gear, and the second gear is fixedly connected with an output shaft of the driving motor.

After adopting the structure, compared with the prior art, the utility model has the following advantages:

the utility model has the advantages that the guide cylinder, the spiral conveying roller, the connecting shaft, the mounting disc and the walking gear are arranged in central symmetry, so that the guide cylinder performs circular motion and simultaneously forcibly conveys the raw materials at the upper part and the lower part in the kettle body to the middle part of the kettle body for collision mixing, the mixing effect is improved, and the mixing speed is increased.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention.

FIG. 2 is a schematic view of an assembly structure of the draft tube of the present invention;

fig. 3 is an enlarged view of a point a in fig. 1.

In the figure: 1. a kettle body; 2. a stirring rod; 3. an upper stirring wheel; 4. a first gear; 5. a second gear; 6. a drive motor; 7. a draft tube; 701. an inner outlet; 8. an outer feed port; 9. a spiral conveying roller; 10. a connecting shaft; 11. mounting a disc; 12. a traveling gear; 13. a gear ring; 14. a connecting rod; 15. a central stirring wheel; 16. an inner rotating shaft; 17. a third gear; 18. a lower stirring wheel; 19. a feed hopper; 20. and (4) discharging the pipe.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Referring to the drawings, in one embodiment of the present invention, a multi-stage stirring reaction kettle for polyurethane resin production includes a kettle body; the kettle body is internally provided with an opposite-flushing mixing component; the opposite-impact mixing assembly comprises a group of centrosymmetric guide cylinders, the guide cylinders are connected with a stirring rod through a connecting rod, and the upper end of the stirring rod is connected with an output shaft of a driving motor through a first transmission gear set; the guide shell in central symmetry is provided with an inner outlet which is arranged oppositely, and one end of the guide shell far away from the inner outlet is provided with an outer feed inlet; the guide cylinder is provided with a spiral conveying roller, the spiral conveying roller is fixedly connected with a connecting shaft, and the connecting shaft is rotatably connected with a mounting disc fixedly connected with a stirring rod

And the upper end of the connecting shaft is fixedly connected with a traveling gear, and the traveling gear is meshed with a gear ring fixedly connected with the inner wall of the kettle body.

Specifically, when carrying out polyurethane resin raw materials stirring, driving motor drives the puddler through first drive gear group and rotates, the puddler passes through the connecting rod and drives the draft tube that is central symmetry and be circular motion, and simultaneously, the puddler drives the mounting disc and rotates, the walking gear rolls on the gear ring, the walking gear drives spiral conveying roller through the connecting axle and rotates, the middle part of the cauldron body is carried with the raw materials of the internal lower part of cauldron to the draft tube that is located the below, the middle part of the cauldron body is carried with the raw materials on cauldron body upper portion to the draft tube that is located the top, make on, the raw materials of lower part is in the middle part of the cauldron body and is collided the mixture, make the cauldron internal go up, the abundant contact of raw materials of lower part mixes, improve the mixed effect, make the abundant mixed contact of sticky reaction raw materials.

In this embodiment, the upper part of the kettle body 1 is communicated with a feed hopper 19, the lower part of the kettle body 1 is communicated with a discharge pipe 20, and the discharge pipe 20 is provided with a valve.

Specifically, the raw materials are fed into the kettle body 1 through a feed hopper 19.

In this embodiment, the guide shell 7 is an L-shaped cylindrical shell.

Specifically, the materials are collided and mixed in the middle of the kettle body 1.

In this embodiment, the mounting plate 11 is a circular plate and is in sliding contact with the inner wall of the kettle body 1; the puddler 2 runs through the cauldron body 1 and extends to cauldron body 1 top, and first transmission gear group includes first gear 4 with puddler 2 fixed connection, and first gear 4 meshes has second gear 5, second gear 5 and driving motor 6's output shaft fixed connection.

Specifically, the mounting plate 11 is arranged to support the connecting shaft 10 and drive the traveling gear 12 to roll on the gear ring 13.

In another embodiment of the present invention, a central stirring wheel 15 is arranged between the guide cylinders 7, and the central stirring wheel 15 is located between the inner outlets 701; the central stirring wheel 15 is fixedly connected with an inner rotating shaft 16, the inner rotating shaft 16 penetrates through the stirring rod 2 and extends to the upper part of the stirring rod 2, and the inner rotating shaft 16 is connected with an output shaft of the driving motor 6 through a second transmission gear set.

Specifically, the driving motor 6 drives the inner rotating shaft 16 to rotate through the second transmission gear set, and the inner rotating shaft 16 drives the central stirring wheel 15 to rotate, so that the raw materials which are collided and mixed in the middle are sufficiently stirred, and the mixing effect is further improved.

In this embodiment, the second transmission gear set includes a third gear 17 fixedly connected to the inner rotating shaft 16, the third gear 17 is engaged with the second gear 5, and the second gear 5 is fixedly connected to the output shaft of the driving motor 6.

Specifically, the driving motor 6 drives the inner rotating shaft 16 to rotate through the second gear 5 and the third gear 17.

In this embodiment, an upper stirring wheel 3 is arranged above the central stirring wheel 15, the upper stirring wheel 3 is fixedly connected with the stirring rod 2, a lower stirring wheel 18 is arranged below the central stirring wheel 15, and the lower stirring wheel 18 is fixedly connected with the inner rotating shaft 16.

Specifically, the raw materials are fully stirred by an upper stirring wheel 3, a central stirring wheel 15 and a lower stirring wheel 18 which are distributed in the kettle body 1 up and down.

The working principle is as follows:

when polyurethane resin raw materials are stirred, a driving motor drives a stirring rod to rotate through a first transmission gear set, the stirring rod drives guide cylinders which are centrosymmetric to each other through a connecting rod to do circular motion, meanwhile, the stirring rod drives a mounting disc to rotate, a walking gear rolls on a gear ring, the walking gear drives a spiral conveying roller to rotate through a connecting shaft, the guide cylinder positioned below conveys the raw materials at the lower part in a kettle body to the middle part of the kettle body, the guide cylinder positioned above conveys the raw materials at the upper part of the kettle body to the middle part of the kettle body, and the raw materials at the upper part and the lower part are enabled to be collided and mixed in the middle part of the kettle body; the driving motor 6 drives the inner rotating shaft 16 to rotate through the second transmission gear set, and the inner rotating shaft 16 drives the central stirring wheel 15 to rotate, so that the raw materials which are collided and mixed in the middle are fully stirred; the raw materials are fully stirred by the upper stirring wheel 3, the central stirring wheel 15 and the lower stirring wheel 18 which are distributed in the kettle body 1 in an up-and-down manner.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A multi-stage stirring reaction kettle for producing polyurethane resin comprises a kettle body (1); the device is characterized in that an opposite-punching mixing component is arranged in the kettle body (1); the opposite-impact mixing assembly comprises a group of centrosymmetric guide cylinders (7), the guide cylinders (7) are connected with a stirring rod (2) through a connecting rod (14), and the upper end of the stirring rod (2) is connected with an output shaft of a driving motor (6) through a first transmission gear set; the guide shell (7) in central symmetry is provided with inner outlets (701) which are arranged oppositely, and one end of the guide shell (7) far away from the inner outlets (701) is provided with an outer feed inlet (8); the device is characterized in that a spiral conveying roller (9) is installed on the guide cylinder (7), a connecting shaft (10) is fixedly connected to the spiral conveying roller (9), the connecting shaft (10) is rotatably connected with a mounting disc (11) fixedly connected with the stirring rod (2), a walking gear (12) is fixedly connected to the upper end of the connecting shaft (10), and the walking gear (12) is meshed with a gear ring (13) fixedly connected with the inner wall of the kettle body (1).

2. The multistage stirring reaction kettle for producing polyurethane resin according to claim 1, wherein a central stirring wheel (15) is arranged between the guide cylinders (7), and the central stirring wheel (15) is positioned between the inner outlets (701); the central stirring wheel (15) is fixedly connected with an inner rotating shaft (16), the inner rotating shaft (16) penetrates through the stirring rod (2) and extends to the upper part of the stirring rod (2), and the inner rotating shaft (16) is connected with an output shaft of the driving motor (6) through a second transmission gear set.

3. The multistage stirring reaction kettle for producing the polyurethane resin as claimed in claim 2, wherein an upper stirring wheel (3) is arranged above the central stirring wheel (15), the upper stirring wheel (3) is fixedly connected with the stirring rod (2), a lower stirring wheel (18) is arranged below the central stirring wheel (15), and the lower stirring wheel (18) is fixedly connected with the inner rotating shaft (16).

4. The multistage stirring reaction kettle for producing the polyurethane resin as claimed in claim 1, wherein the upper part of the kettle body (1) is communicated with a feed hopper (19), the lower part of the kettle body (1) is communicated with a discharge pipe (20), and the discharge pipe (20) is provided with a valve.

5. The multistage stirring reaction kettle for producing polyurethane resin as claimed in claim 1, wherein the guide shell (7) is an L-shaped cylindrical shell.

6. The multistage stirring reaction kettle for producing the polyurethane resin is characterized in that the mounting plate (11) is a circular plate and is in sliding abutment with the inner wall of the kettle body (1); puddler (2) run through the cauldron body (1) and extend to cauldron body (1) top, first transmission gear group including with puddler (2) fixed connection's first gear (4), first gear (4) meshing has second gear (5), second gear (5) and driving motor's (6) output shaft fixed connection.

7. The multistage stirring reaction kettle for producing polyurethane resin as claimed in claim 2, wherein the second transmission gear set comprises a third gear (17) fixedly connected with the inner rotating shaft (16), the third gear (17) is engaged with the second gear (5), and the second gear (5) is fixedly connected with an output shaft of the driving motor (6).

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