CN112140450A

CN112140450A - Polyurethane foaming reaction kettle

Info

Publication number: CN112140450A
Application number: CN202010995931.5A
Authority: CN
Inventors: 叶宁; 陈三皇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2020-12-29

Abstract

The invention provides a polyurethane foaming reaction kettle which comprises a reaction box, a foaming device, a stirring device, support legs, a material guide unit and a feeding cylinder, wherein the reaction box is arranged on the upper portion of the reaction box; the problem that when the polyurethane is stirred by a stirring claw of a reaction kettle, which is mainly existed in the process of foaming and stirring the polyurethane in the reaction kettle at present, the polyurethane is easy to stick with the stirring claw due to the viscosity of the polyurethane, so that the later stirring effect of the stirring claw on the polyurethane in the reaction kettle is influenced, the foaming effect of a polyurethane material is influenced due to the uneven foaming of the reaction kettle at present; and when the polyurethane material is mixed and stirred in the reaction kettle, the polyurethane material is easy to overflow into the clamping cover, so that the stirring work in the later period is influenced.

Description

Polyurethane foaming reaction kettle

Technical Field

The invention relates to the technical field of reaction kettles, in particular to a polyurethane foaming reaction kettle.

Background

The broad understanding of the reaction kettle is that the reaction kettle is a container for physical or chemical reaction, and the heating, evaporation, cooling and low-speed mixing functions required by the process are realized through the structural design and parameter configuration of the container.

The polyurethane mainly has the following problems in the foaming and stirring process of the existing reaction kettle; when the stirring claw of the existing reaction kettle stirs the polyurethane inside, the polyurethane is easy to stick to the stirring claw due to the viscosity of the polyurethane, so that the stirring effect of the stirring claw on the polyurethane inside at the later stage is influenced, and the foaming effect of a polyurethane material is influenced due to the uneven foaming of the existing reaction kettle; and when the polyurethane material is mixed and stirred in the reaction kettle, the polyurethane material is easy to overflow into the clamping cover, so that the stirring work in the later period is influenced.

In order to improve the cleanness of the outer wall of the stirring claw; the invention provides a polyurethane foaming reaction kettle, which ensures the foaming and stirring work of polyurethane raw materials.

Disclosure of Invention

In order to achieve the purpose, the invention adopts the following technical scheme that the polyurethane foaming reaction kettle comprises a reaction box, a foaming device, a stirring device, support legs, a material guide unit and a feeding cylinder; the stirring device is arranged in the reaction box, the foaming device is arranged on the inner wall of the bottom end of the reaction box, supporting legs are uniformly arranged on the outer wall of the bottom end of the reaction box, and a material guide unit is arranged in the middle of the bottom end of the reaction box; the feeding cylinder is arranged on the foaming device and is positioned at the upper end of the reaction box; wherein:

the stirring device comprises a conical cylinder, a stirring motor, a material blocking cover, a rotating sleeve, a limiting support rod, a stirring unit and a pneumatic unit; the device comprises a reaction box, a conical barrel, a motor seat, a stirring motor, a rotating sleeve, limiting support rods, a ball bearing, a motor seat, a motor base, a rotating sleeve, a limiting support rod, a rotating shaft and a rotating shaft, wherein the conical barrel is arranged on the inner wall of the upper end of the reaction box; the lower end of the material blocking cover is uniformly provided with balls which are in movable fit with the outer wall of the upper end of the rotating sleeve in a movable connection mode; the inside wall that rotates the sleeve evenly is provided with the stirring unit, pneumatic unit set up at the top inner wall that rotates the sleeve, and pneumatic unit and stirring unit interconnect cooperation.

The stirring unit comprises a clamping cover, a propelling cylinder, a sliding block, a string rod, a stirring clamping plate, a bidirectional cylinder, a supporting plate, a fixed spring and an isolation module; the inner wall of the top end of the clamping cover is provided with a propulsion cylinder, the lower end of the propulsion cylinder is provided with a sliding block, the sliding block is arranged inside the clamping cover in a sliding fit mode, the lower end of the sliding block is provided with a string rod, stirring clamping plates are uniformly arranged on the side wall of the string rod from top to bottom through a pin shaft, and two stirring clamping plates which are transversely opposite on the string rod are connected through a bidirectional cylinder; the support plates are uniformly arranged on the side wall of the reaction box, the lower ends of the support plates are provided with fixing springs, the other ends of the fixing springs are connected to the isolation modules, the isolation modules are arranged on the side wall of the reaction box through pin shafts, and the isolation modules are matched with the outer wall of the bottom end of the clamping cover; when the polyurethane materials are mixed and injected into the reaction box, the lower-end string rod is pushed out through the operation of the pushing cylinder, the stirring clamping plate is opened under the action of the bidirectional cylinder, and the string rod is driven to rotate through the operation of the stirring motor so that the polyurethane materials in the reaction box are fully stirred; the uniform mixing of the polyurethane material is effectively ensured.

Preferably; the foaming device comprises a foaming air pump, an air cylinder, an air baffle plate and a connecting spring; the foaming air pump is arranged on the side wall of the right end of the reaction box through a motor base, the air outlet end of the foaming air pump is connected into the air cavity at the lower end of the reaction box, the air cylinders are uniformly arranged on the inner wall of the bottom end of the reaction box, and the lower ends of the air cylinders are connected with the air cavity of the reaction box; the side wall of the inflator is provided with an air baffle through a pin shaft, the inner wall of the air baffle is connected with one end of a connecting spring, and the other end of the connecting spring is connected with the inner wall of the inflator; the foaming pump works to generate gas, so that the gas discharged by the gas cylinder carries out foaming treatment on the polyurethane in the reaction box, thereby effectively ensuring the quality effect of the polyurethane material after mixing and processing.

Preferably; the isolation module comprises an isolation plate, an execution spring and a material leakage plate; the outer wall of the upper end of the isolation plate is of a conical concave structure, the middle part of the isolation plate is provided with a material leaking hole, the inner wall of the lower end of the material leaking hole of the isolation plate is symmetrically provided with material leaking plates through pin shafts, and the material leaking plates are connected with the isolation plate through actuating springs; inside the polyurethane material that can effectively avoid inside stirring overflowed into the card cover through the isolation module that sets up, and the inside polyurethane material of the card cover of being convenient for discharges, has effectively guaranteed the cleanness of boom and stirring cardboard outer wall.

Preferably; the pneumatic unit comprises an inner clamping cylinder, an exhaust pump and four-corner air guide pipes; the inner clamping cylinder is arranged on the inner wall of the upper end of the rotating sleeve, the lower end of the inner clamping cylinder is connected with four-corner air ducts, the lower ends of the four-corner air ducts are respectively connected to uniformly arranged stirring units, and the exhaust pump is arranged inside the inner clamping cylinder through a motor base; the exhaust pump is operated to inject gas into the clamping cover through the four-corner air guide tubes, and polyurethane raw materials of stirring attached to the string rod and the stirring clamping plate are cleaned, so that the outer wall of the string rod and the stirring clamping plate is clean, and the next stirring of polyurethane inside the device is promoted.

Preferably; the material guiding unit comprises a material guiding barrel, a material limiting plate and an auxiliary cylinder; the guide cylinder is internally provided with a material limiting plate in a sliding fit mode, the bottom end of the auxiliary cylinder is arranged on the side wall of the guide cylinder, and the top end of the auxiliary cylinder is connected to the material limiting plate; the auxiliary cylinder controls the material limiting plate to move so as to effectively control the opening and closing of the material guide cylinder; the material guide unit has simple structure, and is convenient for controlling the uniform blanking of the foamed polyurethane raw material.

Preferably; the outer wall of the sliding block is sleeved with a rubber sleeve; the outer wall cover with the sliding block is equipped with the rubber sleeve and has promoted the inner wall of sliding block and card cover to mutually support to the sliding action of sliding block has been promoted.

When polyurethane materials are mixed and injected into a reaction box, a tandem rod at the lower end is pushed out by the operation of a pushing cylinder, a stirring clamping plate is opened under the action of a bidirectional cylinder, and the tandem rod is driven to rotate by the operation of a stirring motor so that the polyurethane materials in the reaction box are fully stirred; the uniform mixing of the polyurethane material is effectively ensured;

secondly, the foaming air pump works to generate air, so that the air discharged by the air cylinder carries out foaming treatment on the polyurethane in the reaction box, and the quality effect of the polyurethane material after mixing and processing is effectively ensured;

the isolation module can effectively prevent the polyurethane material stirred inside from overflowing into the clamping cover, is convenient for discharging the polyurethane material in the clamping cover, and effectively ensures the cleanness of the string rod and the outer wall of the stirring clamping plate.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a front view in section view of the present invention;

FIG. 2 is an enlarged view of a portion of the invention at A in FIG. 1;

fig. 3 is a partial enlarged view of the present invention at B in fig. 1.

Detailed Description

Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.

The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.

As shown in fig. 1 to 3, a polyurethane foaming reaction kettle comprises a reaction box 1, a foaming device 2, a stirring device 3, support legs 4, a material guiding unit 5 and a feeding cylinder 6; a stirring device 3 is arranged in the reaction box 1, a foaming device 2 is arranged on the inner wall of the bottom end of the reaction box 1, supporting legs 4 are uniformly arranged on the outer wall of the bottom end of the reaction box 1, and a material guide unit 5 is arranged in the middle of the bottom end of the reaction box 1; the feeding cylinder 6 is arranged on the foaming device 2 and is positioned at the upper end of the reaction box 1; wherein:

the foaming device 2 comprises a foaming air pump 21, an air cylinder 22, an air baffle plate 23 and a connecting spring 24; the foaming air pump 21 is arranged on the side wall of the right end of the reaction box 1 through a motor base, the air outlet end of the foaming air pump 21 is connected in an air cavity at the lower end of the reaction box 1, the air cylinders 22 are uniformly arranged on the inner wall of the bottom end of the reaction box 1, and the lower ends of the air cylinders 22 are connected with the air cavity of the reaction box 1; the side wall of the air cylinder 22 is provided with an air baffle plate 23 through a pin shaft, the inner wall of the air baffle plate 23 is connected with one end of a connecting spring 24, and the other end of the connecting spring 24 is connected with the inner wall of the air cylinder 22; the foaming air pump 21 is operated to generate air, so that the air discharged from the air cylinder 22 can foam the polyurethane in the reaction box 1, and the quality effect of the polyurethane material after mixing and processing is effectively ensured.

The stirring device 3 comprises a conical cylinder 31, a stirring motor 32, a material blocking cover 33, a rotating sleeve 34, a limiting support rod 35, a stirring unit 36 and a pneumatic unit 37; the device comprises a reaction box 1, a conical barrel 31, a stirring motor 32, a rotating sleeve 34, limiting support rods 35 and a motor seat, wherein the conical barrel 31 is installed on the inner wall of the upper end of the reaction box 1, the middle part of the conical barrel 31 is provided with the stirring motor 32 through the motor seat, the output shaft of the stirring motor 32 is provided with the rotating sleeve 34 through a flange, the side walls of the rotating sleeve 34 are uniformly provided with the limiting support rods 35, and the lower ends of the limiting support rods 35 are provided with; the material blocking cover 33 is arranged on the outer wall of the lower end of the conical barrel 31, the material blocking cover 33 is sleeved outside the stirring motor 32, and balls are uniformly arranged at the lower end of the material blocking cover 33 in a movable connection mode to be in movable fit with the outer wall of the upper end of the rotating sleeve 34; stirring units 36 are uniformly arranged on the inner side wall of the rotating sleeve 34, the pneumatic unit 37 is arranged on the inner wall of the top end of the rotating sleeve 34, and the pneumatic unit 37 is connected and matched with the stirring units 36.

The stirring unit 36 comprises a clamping cover 361, a propelling cylinder 362, a sliding block 363, a string rod 364, a stirring clamping plate 365, a bidirectional cylinder 366, a supporting plate 367, a fixed spring 368 and an isolation module 369; a propulsion cylinder 362 is installed on the inner wall of the top end of the card cover 361, a sliding block 363 is installed at the lower end of the propulsion cylinder 362, the sliding block 363 is arranged inside the card cover 361 in a sliding fit mode, a rubber sleeve is sleeved on the outer wall of the sliding block 363, and the rubber sleeve is sleeved on the outer wall of the sliding block 363 to promote the sliding action of the sliding block 363 to be matched with the inner wall of the card cover 361; the lower end of the sliding block 363 is provided with a string rod 364, the side wall of the string rod 364 is uniformly provided with stirring clamping plates 365 through pin shafts from top to bottom, and two stirring clamping plates 365 which are transversely opposite on the string rod 364 are connected through a bidirectional air cylinder 366; the supporting plate 367 is uniformly arranged on the side wall of the reaction box 1, the fixing spring 368 is arranged at the lower end of the supporting plate 367, the other end of the fixing spring 368 is connected to the isolation module 369, the isolation module 369 is arranged on the side wall of the reaction box 1 through a pin shaft, and the isolation module 369 is matched with the outer wall of the bottom end of the card cover 361; when the polyurethane material is mixed and injected into the reaction box 1, the tandem rod 364 at the lower end is pushed out through the operation of the pushing cylinder 362, the stirring clamping plate 365 is opened under the action of the bidirectional cylinder 366, and the tandem rod 364 is driven to rotate through the operation of the stirring motor 32 so that the polyurethane material in the reaction box 1 is fully stirred; the uniform mixing of the polyurethane material is effectively ensured.

The isolation module 369 comprises an isolation plate 3691, an executive spring 3692 and a leakage plate 3693; the outer wall of the upper end of the isolation plate 3691 is of a conical concave structure, a material leakage hole is formed in the middle of the isolation plate 3691, material leakage plates 3693 are symmetrically arranged on the inner wall of the lower end of the material leakage hole of the isolation plate 3691 through pin shafts, and the material leakage plates 3693 and the isolation plate 3691 are connected through an executive spring 3692; inside the polyurethane material that can effectively avoid inside stirring overflows into card cover 361 through the isolation module 369 that sets up, and the inside polyurethane material of the card cover 361 of being convenient for discharges, has effectively guaranteed the cleanness of boom 364 and stirring cardboard 365 outer wall.

The pneumatic unit 37 comprises an inner clamping cylinder 371, an exhaust pump 372 and a four-corner air duct 373; the inner clamping cylinder 371 is arranged on the inner wall of the upper end of the rotating sleeve 34, the lower end of the inner clamping cylinder 371 is connected with a four-corner air duct 373, the lower ends of the four-corner air ducts 373 are respectively connected to the uniformly arranged stirring units 36, and the exhaust pump 372 is arranged inside the inner clamping cylinder 371 through a motor base; through the work of air discharge pump 372 with gaseous by the four corners gas-guide tube 373 pour into inside the card cover 361 to make the polyurethane raw materials of adnexed stirring obtain clearing up on boom 364 and the stirring cardboard 365, thereby guaranteed the cleanness of boom 364 and stirring cardboard 365 outer wall, thereby promoted its next polyurethane to this device inside to stir.

The material guiding unit 5 comprises a material guiding cylinder 51, a material limiting plate 52 and an auxiliary cylinder 53; the material limiting plate 52 is arranged in the material guide cylinder 51 in a sliding fit mode, the bottom end of the auxiliary cylinder 53 is arranged on the side wall of the material guide cylinder 51, and the top end of the auxiliary cylinder 53 is connected to the material limiting plate 52; the auxiliary cylinder 53 controls the material limiting plate 52 to move so as to effectively control the opening and closing of the material guiding cylinder 51; the material guide unit 5 is simple in structure and convenient for controlling the uniform blanking of the foamed polyurethane raw materials.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A polyurethane foaming reaction kettle comprises a reaction box (1), a foaming device (2), a stirring device (3), support legs (4), a material guide unit (5) and a feeding cylinder (6); the method is characterized in that: a stirring device (3) is arranged in the reaction box (1), a foaming device (2) is arranged on the inner wall of the bottom end of the reaction box (1), supporting legs (4) are uniformly arranged on the outer wall of the bottom end of the reaction box (1), and a material guide unit (5) is arranged in the middle of the bottom end of the reaction box (1); the feeding cylinder (6) is arranged on the foaming device (2) and is positioned at the upper end of the reaction box (1); wherein:

the stirring device (3) comprises a conical cylinder (31), a stirring motor (32), a material blocking cover (33), a rotating sleeve (34), a limiting support rod (35), a stirring unit (36) and a pneumatic unit (37); the device is characterized in that the conical barrel (31) is arranged on the inner wall of the upper end of the reaction box (1), the middle part of the conical barrel (31) is provided with a stirring motor (32) through a motor base, an output shaft of the stirring motor (32) is provided with a rotating sleeve (34) through a flange, the side wall of the rotating sleeve (34) is uniformly provided with limiting support rods (35), and the lower end of each limiting support rod (35) is provided with a ball which is matched with the inner wall of the reaction box (1) in a movable connection manner; the material blocking cover (33) is arranged on the outer wall of the lower end of the conical barrel (31), the material blocking cover (33) is sleeved outside the stirring motor (32), and balls are uniformly arranged at the lower end of the material blocking cover (33) in a movable connection mode to be in movable fit with the outer wall of the upper end of the rotating sleeve (34); stirring units (36) are uniformly arranged on the inner side wall of the rotating sleeve (34), the pneumatic unit (37) is arranged on the inner wall of the top end of the rotating sleeve (34), and the pneumatic unit (37) is connected and matched with the stirring units (36);

the stirring unit (36) comprises a clamping cover (361), a propelling cylinder (362), a sliding block (363), a string rod (364), a stirring clamping plate (365), a bidirectional cylinder (366), a supporting plate (367), a fixed spring (368) and an isolating module (369); a propulsion cylinder (362) is installed on the inner wall of the top end of the clamping cover (361), a sliding block (363) is installed at the lower end of the propulsion cylinder (362), the sliding block (363) is arranged inside the clamping cover (361) in a sliding fit mode, a string rod (364) is installed at the lower end of the sliding block (363), stirring clamping plates (365) are uniformly arranged on the side wall of the string rod (364) from top to bottom through a pin shaft, and two stirring clamping plates (365) which are opposite to each other in the transverse direction on the string rod (364) are connected through a bidirectional cylinder (366); backup pad (367) evenly set up the lateral wall at reaction box (1), and fixed spring (368) are installed to the lower extreme of backup pad (367), the other end of fixed spring (368) is connected on isolation module (369), isolation module (369) install the lateral wall at reaction box (1) through the round pin axle, and isolation module (369) and the bottom outer wall of card cover (361) mutually support.

2. The polyurethane foaming reactor of claim 1, wherein: the foaming device (2) comprises a foaming air pump (21), an air cylinder (22), an air baffle plate (23) and a connecting spring (24); the foaming air pump (21) is installed on the side wall of the right end of the reaction box (1) through a motor base, the air outlet end of the foaming air pump (21) is connected into the air cavity at the lower end of the reaction box (1), the air cylinders (22) are uniformly arranged on the inner wall of the bottom end of the reaction box (1), and the lower ends of the air cylinders (22) are connected with the air cavity of the reaction box (1); the side wall of the air cylinder (22) is provided with an air baffle (23) through a pin shaft, the inner wall of the air baffle (23) is connected with one end of a connecting spring (24), and the other end of the connecting spring (24) is connected with the inner wall of the air cylinder (22).

3. The polyurethane foaming reactor of claim 1, wherein: the isolation module (369) comprises an isolation plate (3691), an execution spring (3692) and a material leakage plate (3693); division board (3691) upper end outer wall be toper indent structure, and the middle part of division board (3691) is provided with the hourglass material hole, the hourglass material hole lower extreme inner wall of division board (3691) is provided with hourglass flitch (3693) through the round pin shaft symmetry, and is connected through carrying out spring (3692) between hourglass flitch (3693) and division board (3691).

4. The polyurethane foaming reactor of claim 1, wherein: the pneumatic unit (37) comprises an inner clamping cylinder (371), an exhaust pump (372) and four-corner air ducts (373); interior card section of thick bamboo (371) set up the upper end inner wall at rotation sleeve (34), the lower extreme of interior card section of thick bamboo (371) is connected with four corners air duct (373), four corners air duct (373) lower extreme connect respectively on stirring unit (36) of even setting, exhaust pump (372) pass through the inside of installing interior card section of thick bamboo (371) of motor cabinet.

5. The polyurethane foaming reactor of claim 1, wherein: the material guide unit (5) comprises a material guide cylinder (51), a material limiting plate (52) and an auxiliary cylinder (53); the material guide cylinder (51) is internally provided with a material limiting plate (52) in a sliding fit mode, the bottom end of the auxiliary cylinder (53) is arranged on the side wall of the material guide cylinder (51), and the top end of the auxiliary cylinder (53) is connected to the material limiting plate (52).

6. The polyurethane foaming reactor of claim 1, wherein: the outer wall of the sliding block (363) is sleeved with a rubber sleeve.