EPP (Expanded Polypropylene) one-step foaming reaction kettle

Abstract

The utility model discloses an EPP (Expanded Polypropylene) one-step foaming reaction kettle which comprises a protective shell for mounting and a transmission rod fixedly mounted at the upper end of the protective shell, the device further comprises a motor, the output end of the motor is fixedly connected with the upper end of a transmission rod, a first grooved wheel is fixedly arranged at the outer end of the transmission rod, a first bevel gear is fixed to the lower end of the transmission rod, the outer end of the first grooved wheel is connected with a belt, and the right end of the belt is connected with a second grooved wheel. The interior of the second grooved wheel is fixedly connected with the lower end of a reciprocating screw rod, the outer end of the reciprocating screw rod is connected with a connecting block, the right end of the connecting block is connected with a first connecting rod, stirring blades are installed at the lower end of the first connecting rod, and second bevel teeth and a fixing pipe are arranged at the outer end of the first connecting rod. According to the EPP one-time foaming reaction kettle, materials can be conveniently turned up and down, the reaction speed of the EPP materials is increased, residual materials on the inner wall of the protective shell can be conveniently cleaned, and the materials can be conveniently stirred in the opposite direction.

Description

Technical Field

[0001] The utility model relates to the technical field of EPP one-time foaming reaction kettle, in particular to an EPP one-time foaming reaction kettle. Background Art

[0002] Reactors are widely used in petroleum, chemical industry, rubber, pesticide, dye, medicine, food, and are pressure vessels used to complete processes such as sulfidation nitration, hydrogenation, hydrocarbonization, polymerization, and condensation. Traditional reactors are prone to have a lot of residual materials inside during the stirring process, causing waste and easily affecting the quality of the next reactant. At the same time, traditional stirring cannot stir evenly and the reaction time is long. Therefore, a reactor that can fully stir and clean the inner wall is designed.

[0003] A foaming agent condensation reactor provided by announcement number CN 202015614 U comprises a reactor body and a reaction cover, the reaction cover being provided with a steam inlet, a hydrazine urea inlet, a primary water inlet and an upper liquid outlet, the reactor body being provided with a stirring paddle, the stirring paddle being transmission-connected to a motor arranged on the reaction cover, the inner wall of the reactor body being provided with a reactor body lining layer made of titanium, the inner wall of the reaction cover being provided with a reactor cover lining layer made of titanium, the stirring paddle being connected to the motor through a stirring shaft, the arrangement of the reactor cover lining layer and the reactor body lining layer increases the corrosion resistance of the reactor, and the reactor is not easily damaged when produced by adopting the utility model, thereby reducing maintenance costs and improving production efficiency.

[0004] The above-mentioned prior art solutions have the following defects: it is not convenient to flip the material up and down to speed up the reaction speed of the EPP material, it is not convenient to clean the residual material on the inner wall of the protective shell, and it is not convenient to stir the material in the opposite direction. Therefore, the utility model provides an EPP one-time foaming reactor to solve the above-mentioned problems. Utility Model Content

[0005] The utility model aims to provide an EPP one-time foaming reactor to solve the problems in the above-mentioned background technology that it is inconvenient to turn the material up and down to speed up the reaction speed of the EPP material, it is inconvenient to clean the residual material on the inner wall of the protective shell, and it is inconvenient to stir the material in the opposite direction.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an EPP primary foaming reactor, comprising: a protective shell for installation, a transmission rod fixedly installed on the upper end of the protective shell;

[0007] The cam is an axially coupled machine which is adapted to engage with the gear train of the plurality of control wheels, wherein the plurality of control wheels have respective opposite ends, and the plurality of control wheels have respective opposite ends.

[0008] Preferably, the outer end of the first sheave is connected to the belt in a meshing manner, and the outer end of the first sheave is connected to the belt in a meshing manner.

[0009] Preferably, the outer end of the reciprocating screw is connected to the connecting block by means of a thread, and the left side of the connecting block is arranged in a fit state with the protective shell.

[0010] Preferably, the scraper is symmetrically arranged about the center line of the fixed tube, and the scraper is arranged in a fitted state with the inner wall of the protective shell.

[0011] Preferably, the upper end of the third bevel tooth is connected to the fourth bevel tooth in a meshing manner, and the upper end of the fourth bevel tooth is connected to the second bevel tooth in a meshing manner.

[0012] Preferably, the fourth bevel tooth and the second connecting rod form a rotating structure, and the second connecting rod and the fifth bevel tooth form a rotating structure, and the upper end of the fifth bevel tooth is connected to the first bevel tooth in a meshing manner.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the EPP one-time foaming reactor is convenient for turning the material up and down to accelerate the reaction speed of the EPP material, is convenient for cleaning the residual material on the inner wall of the protective shell, and is convenient for stirring the material in the opposite direction;

[0014] 1. A first groove wheel, a reciprocating screw rod and a connecting block are provided. The first groove wheel rotates to drive the belt and the second groove wheel to rotate, so that the second groove wheel drives the reciprocating screw rod to rotate at the upper end of the protective shell, and the reciprocating screw rod drives the first connecting rod to move up and down through the connecting block during the rotation process, so that the material is flipped downward, which is convenient for flipping the material up and down to accelerate the reaction speed of the EPP material;

[0015] 2. A first bevel gear, a fixed tube and a scraper are provided. The first bevel gear is driven to rotate through the transmission rod by starting the motor, so that the first bevel gear drives the fourth bevel gear and the second connecting rod to rotate through the fifth bevel gear, and the fourth bevel gear drives the fixed tube and the scraper to clean the inner wall of the protective shell through the third bevel gear, so as to facilitate cleaning of the residual materials on the inner wall of the protective shell;

[0016] 3. A first connecting rod, a second bevel gear and a fourth bevel gear are provided. The fourth bevel gear rotates, and the upper end of the fourth bevel gear drives the second bevel gear to rotate counterclockwise, so that the second bevel gear drives the first connecting rod and the stirring blade to stir the internal reaction material. At the same time, the fourth bevel gear also drives the fixed tube to stir the internal material in the opposite direction through the third bevel gear, so as to facilitate stirring the material in the opposite direction. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the side cross-sectional structure of the utility model;

[0019] Figure 3 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0020] Figure 4 It is a schematic diagram of the connection structure between the first connecting rod and the second bevel gear of the utility model.

[0021] In the figure: 1, protective shell; 2, transmission rod; 3, motor; 4, first groove wheel; 5, first bevel gear; 6, belt; 7, second groove wheel; 8, reciprocating screw rod; 9, connecting block; 10, first connecting rod; 11, stirring blade; 12, second bevel gear; 13, fixed pipe; 14, scraper; 15, third bevel gear; 16, fourth bevel gear; 17, second connecting rod; 18, fifth bevel gear. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-4The utility model provides a technical solution: an EPP primary foaming reactor, comprising a protective shell 1, a transmission rod 2, a motor 3, a first groove wheel 4, a first bevel gear 5, a belt 6, a second groove wheel 7, a reciprocating screw 8, a connecting block 9, a first connecting rod 10, a stirring blade 11, a second bevel gear 12, a fixed tube 13, a scraper 14, a third bevel gear 15, a fourth bevel gear 16, a second connecting rod 17 and a fifth bevel gear 18.

[0024] The output end of the motor 3 is fixedly connected to the upper end of the transmission rod 2, and the outer end of the transmission rod 2 is fixedly provided with a first groove wheel 4, and the lower end of the transmission rod 2 is fixedly provided with a first bevel tooth 5, the outer end of the first groove wheel 4 is connected to a belt 6, and the right end of the belt 6 is connected to a second groove wheel 7, and the interior of the second groove wheel 7 is fixedly connected to the lower end of the reciprocating screw rod 8, the outer end of the reciprocating screw rod 8 is connected to a connecting block 9, and the right end of the connecting block 9 is connected to a first connecting rod 10, a stirring blade 11 is installed at the lower end of the first connecting rod 10, and the outer end of the first connecting rod 10 is provided with a second bevel tooth 12 and a fixed tube 13, and the fixed tube 13 is located at the lower end of the second bevel tooth 12, the left and right ends of the fixed tube 13 are connected with a scraper 14, and the upper end of the fixed tube 13 is provided with a third bevel tooth 15, and the upper left end of the third bevel tooth 15 is connected to a fourth bevel tooth 16, the interior of the fourth bevel tooth 16 is connected to a second connecting rod 17, and the left end of the second connecting rod 17 is provided with a fifth bevel tooth 18.

[0025] like Figure 1 and Figure 3 As shown, the outer end of the first sheave 4 is connected to the belt 6 in a meshing manner, and the outer end of the second sheave 7 is connected to the belt 6 in a meshing manner.

[0026] like Figure 3 As shown, the outer end of the reciprocating screw rod 8 is connected to the connecting block 9 by means of a thread, and the left side of the connecting block 9 is arranged in a fitted state with the protective shell 1 .

[0027] like Figure 1 and Figure 2 As shown, the scraper 14 is symmetrically arranged about the center line of the fixed tube 13 , and the scraper 14 is arranged in a fitted state with the inner wall of the protective shell 1 .

[0028] like Figure 1 and Figure 2 As shown, the upper end of the third bevel tooth 15 is connected to the fourth bevel tooth 16 in a meshing manner, and the upper end of the fourth bevel tooth 16 is connected to the second bevel tooth 12 in a meshing manner, the fourth bevel tooth 16 and the second connecting rod 17 constitute a rotating structure, and the second connecting rod 17 and the fifth bevel tooth 18 constitute a rotating structure, and the upper end of the fifth bevel tooth 18 is connected to the first bevel tooth 5 in a meshing manner to facilitate driving the stirring to rotate in the opposite direction.

[0029] Working principle: When using the EPP primary foaming reactor, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, first, the material is poured into the cover through the inlet at the upper end of the protective shell 1, and the motor 3 is started to drive the first groove wheel 4 and the first bevel gear 5 to rotate through the transmission rod 2, so that the first groove wheel 4 drives the second groove wheel 7 and the reciprocating screw 8 to rotate through the belt 6 during the rotation, and the reciprocating screw 8 drives the connecting block 9 to move up and down during the rotation, so that the connecting block 9 drives the first connecting rod 10 and the stirring blade 11 to move downward to flip the material, and at the same time, the first bevel gear 5 is engaged with the fifth bevel gear 18 during the rotation, so that the fourth bevel gear 16 and the second connecting rod 17 are driven to rotate through the fifth bevel gear 18, and the fourth bevel gear 16 drives the second bevel gear 12 to rotate counterclockwise, and the fourth bevel gear 16 drives the fixed tube 13 to rotate clockwise through the third bevel gear 15, and the fixed tube 13 will drive the scraper 14 to clean the inner wall during the rotation. Due to the rotation of the second bevel gear 12, the first connecting rod 10 drives the stirring blade 11 to move up and down to stir the material counterclockwise through the second bevel gear 12, thereby accelerating the reaction of the EPP material.

[0030] The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An EPP primary foaming reactor, comprising: A protective shell (1) for installation, and a transmission rod (2) fixedly mounted on the upper end of the protective shell (1); It is characterized by further comprising: A motor (3), wherein the output end of the motor (3) is fixedly connected to the upper end of a transmission rod (2), and the outer end of the transmission rod (2) is fixedly provided with a first groove wheel (4), and the lower end of the transmission rod (2) is fixedly provided with a first bevel tooth (5), the outer end of the first groove wheel (4) is connected to a belt (6), and the right end of the belt (6) is connected to a second groove wheel (7), and the interior of the second groove wheel (7) is fixedly connected to the lower end of a reciprocating screw rod (8), the outer end of the reciprocating screw rod (8) is connected to a connecting block (9), and the right end of the connecting block (9) is connected to a first connecting rod (10), and the first connecting rod A stirring blade (11) is installed at the lower end of the first connecting rod (10), and a second bevel tooth (12) and a fixed tube (13) are arranged at the outer end of the first connecting rod (10), and the fixed tube (13) is located at the lower end of the second bevel tooth (12), and the left and right ends of the fixed tube (13) are connected with a scraper (14), and the upper end of the fixed tube (13) is provided with a third bevel tooth (15), and the left upper end of the third bevel tooth (15) is connected with a fourth bevel tooth (16), the inside of the fourth bevel tooth (16) is connected with a second connecting rod (17), and the left end of the second connecting rod (17) is provided with a fifth bevel tooth (18).

2. The EPP primary foaming reactor according to claim 1, characterized in that: The outer end of the first groove wheel (4) is connected to the belt (6) in a meshing manner, and the outer end of the second groove wheel (7) is connected to the belt (6) in a meshing manner.

3. The EPP primary foaming reactor according to claim 1, characterized in that: The outer end of the reciprocating screw rod (8) is connected to the connecting block (9) in a threaded manner, and the left side of the connecting block (9) is arranged in a fitted state with the protective shell (1).

4. The EPP primary foaming reactor according to claim 1, characterized in that: The scraper (14) is symmetrically arranged with respect to the center line of the fixed tube (13), and the scraper (14) is arranged in a fitted state with the inner wall of the protective shell (1).

5. The EPP primary foaming reactor according to claim 1, characterized in that: The upper end of the third bevel tooth (15) is connected to the fourth bevel tooth (16) in a meshing manner, and the upper end of the fourth bevel tooth (16) is connected to the second bevel tooth (12) in a meshing manner.

6. The EPP primary foaming reactor according to claim 1, characterized in that: The fourth bevel tooth (16) and the second connecting rod (17) form a rotating structure, and the second connecting rod (17) and the fifth bevel tooth (18) form a rotating structure, and the upper end of the fifth bevel tooth (18) is connected to the first bevel tooth (5) in a meshing manner.

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