CN110774469A

CN110774469A - Reaction kettle for preparing light high-performance rubber, preparation method and rubber pad

Info

Publication number: CN110774469A
Application number: CN201911090688.6A
Authority: CN
Inventors: 吴月娇
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-09
Filing date: 2019-11-09
Publication date: 2020-02-11

Abstract

The invention provides a reaction kettle for preparing light high-performance rubber, a preparation method and a rubber pad, wherein the reaction kettle comprises a shell, an inner container, an air compressor, a stirrer, a heat preservation device and a pressure maintaining device; the shell comprises a first accommodating chamber and a second accommodating chamber, and the inner container is fixedly connected inside the first accommodating chamber; air compressor is used for increasing the inside atmospheric pressure of inner bag, the embedding has spiral arrangement's wire coil in the inner bag, the agitator is made by metal material and is located the wire coil inboard, the agitator is used for heating the colloid and melts and stir and make the air mix to the inside formation bubble of colloid, heat preservation device is used for heating or keeping warm the colloid that the colloid flowed in and fills the second accommodation chamber in-process, pressurizer is used for keeping the atmospheric pressure in the second accommodation chamber, make the inside atmospheric pressure of colloid cooling back bubble be greater than outside atmospheric pressure, adopt this reation kettle can make elasticity, flexibility is good and light in weight, accord with the requirement of yoga special rubber pad.

Description

Reaction kettle for preparing light high-performance rubber, preparation method and rubber pad

Technical Field

The application relates to the technical field of rubber product processing equipment, in particular to a reaction kettle for preparing light high-performance rubber, a preparation method and a rubber pad.

Background

The reaction kettle is a container for physical or chemical reaction, is used for the reaction kettle in the production process of rubber products, and is mainly used for catalytic reaction or melting mixing and the like.

In the preparation process of the rubber mat special for yoga, the rubber mat is required to have excellent flexibility and elasticity, and also needs to be light in weight so as to be convenient to carry. However, the conventional rubber mat special for yoga is generally of a solid structure, has larger weight, is inconvenient to carry, consumes more materials and has higher cost; yoga mats similar to foam materials also exist, but the yoga mats have overlarge flexibility and insufficient elasticity, and the comprehensive performance is lower. Therefore, there is a need for a rubber mat containing a large amount of air bubbles therein, which is achieved to be elastic, have excellent flexibility and be lightweight.

The reason for causing the above problems is mainly that in the manufacturing process in the prior art, a reaction kettle is generally used for melting colloid, then the process of injection molding or die casting is adopted, and the obtained product is colloid with a solid structure, so that the rubber pad special for yoga with bubbles distributed inside cannot be obtained by using the existing reaction kettle.

Content of application

The application provides a reation kettle, preparation method and rubber pad for preparing lightweight high performance rubber for solve reation kettle among the prior art can't prepare the special rubber pad of yoga that has the bubble in inside distribution.

The invention provides a reaction kettle, which is used for producing a rubber mat special for yoga and comprises a shell, an inner container, an air compressor, a stirrer, a heat preservation device and a pressure maintaining device, wherein the shell is provided with a cavity;

the shell comprises a first accommodating chamber and a second accommodating chamber, and the inner container is fixedly connected inside the first accommodating chamber;

the top surface of the inner container is provided with a feed port, the feed port is hermetically connected with a cover plate in a sealing manner, the stirrer comprises a motor and a stirring blade, the motor is in transmission connection with the stirring blade, the motor and the stirring blade are positioned in the inner container, and the motor is fixedly connected with the lower surface of the cover plate;

the inner container is made of ceramic materials, a wire coil is embedded in the inner container, the wire coil is spirally arranged around the central axis of the inner container, the stirring blades are made of metal materials, and the stirring blades are positioned on the inner side of the wire coil;

the heat preservation device is fixedly connected inside the second accommodating chamber and comprises an upper partition plate and a lower partition plate, the upper partition plate is fixedly connected to the upper surface of the second accommodating chamber, the lower partition plate is fixedly connected to the lower surface of the second accommodating chamber, the upper partition plate is parallel to the lower partition plate, a gap is formed between the upper partition plate and the lower partition plate, and the upper partition plate and the lower partition plate are used for preserving heat of rubber entering the second accommodating chamber;

the second accommodating chamber is positioned at the bottom of the first accommodating chamber, a discharge opening is formed in the bottom of the inner container and communicated with the second accommodating chamber, an electromagnetic valve is fixedly mounted in the discharge opening, a discharge opening is formed in one end, far away from the discharge opening, of the second accommodating chamber, an end cover is connected to the discharge opening in a sealing mode, and a gap between the upper partition plate and the lower partition plate is positioned on the inner side of the inner wall of the discharge opening;

the air compressor is fixedly connected with the shell, the top of the inner container is provided with an air inlet, and an air outlet of the air compressor is communicated with the air inlet;

the pressurizer includes cylinder body, piston and balancing weight, the cylinder body with shell fixed connection, the piston with the inner wall of cylinder body is along the sealed sliding connection of vertical direction, balancing weight fixed connection be in the upper surface of piston, the piston lower surface with form the compression chamber between the inboard bottom surface of cylinder body, the through-hole has been seted up on the end cover, the through-hole with the compression chamber communicates each other through the pipeline.

In a possible design of the first aspect, a metal sheet is horizontally slidably connected to one surface of the upper partition plate, which is close to the lower partition plate;

and/or one surface of the lower clapboard close to the upper clapboard is horizontally connected with a metal sheet in a sliding way.

In one possible design, the upper partition board is an electric heating plate, and the lower partition board is a heat insulation board;

or the upper clapboard is a heat insulation plate, and the lower clapboard is an electric heating plate;

or the upper partition board and the lower partition board are both electric heating plates;

or the upper clapboard and the lower clapboard are both heat insulation boards.

In a possible design of the first aspect, stirring vane includes main shaft and outer lane puddler, the main shaft with the output shaft fixed connection of motor, the bottom of main shaft with the perpendicular fixed connection in center of outer lane puddler, the vertical setting of output shaft of motor, the both ends of outer lane puddler are the arc and upwards stick up and form the U-shaped, the gyration diameter of outer lane puddler is greater than half of inner bag inner wall diameter.

In a possible design of the first aspect, the stirring blade includes a main shaft and an inner ring stirring rod, the main shaft is fixedly connected with an output shaft of the motor, the middle parts of the two ends of the main shaft are vertically and fixedly connected with the center of the inner ring stirring rod, the output shaft of the motor is vertically arranged, the two ends of the inner ring stirring rod are bent downwards to form an inverted U shape, and the rotation diameter of the inner ring stirring rod is smaller than half of the diameter of the inner wall of the inner container.

In one possible design of the first aspect, the stirring blade includes a main shaft, an outer ring stirring rod and an inner ring stirring rod, an output shaft of the motor is vertically arranged, and the main shaft is fixedly connected with the output shaft of the motor;

the main shaft is fixedly connected with an output shaft of the motor, the bottom end of the main shaft is vertically and fixedly connected with the center of the outer ring stirring rod, two ends of the outer ring stirring rod are arc-shaped and upwards tilted to form a U shape, and the rotation diameter of the outer ring stirring rod is larger than half of the diameter of the inner wall of the inner container;

the main shaft is fixedly connected with an output shaft of the motor, the middle parts of the two ends of the main shaft are vertically and fixedly connected with the center of the inner ring stirring rod, the two ends of the inner ring stirring rod are bent downwards to form an inverted U shape, and the rotation diameter of the inner ring stirring rod is smaller than half of the diameter of the inner wall of the inner container.

In a possible design of the first aspect, the inner ring stirring rod and the outer ring stirring rod are located on the same plane, and the end portion of the inner ring stirring rod bent downwards is fixedly connected with the outer ring stirring rod;

or the plane of the inner ring stirring rod and the plane of the outer ring stirring rod are perpendicular to each other.

In a second aspect, the present invention provides a method for preparing a rubber mat, which uses any one of the reaction kettles of the first aspect, and comprises the following steps:

s1: putting raw materials into the inner container, closing the cover plate, closing the electromagnetic valve and closing the end cover;

s2: starting the air compressor to improve the air pressure in the inner container;

s3: switching on a power supply of the conductive coil, and heating the stirring blade until all raw materials in the inner container are melted to form a colloid;

s4: starting a motor to stir the colloid, wherein the rotating speed of a stirring blade is more than 300 circles per minute;

s5: the upper partition board and the lower partition board are both electric heating plates, and the electric heating plates are heated by switching on the power supply of the electric heating plates;

s6: turning off the motor and cutting off the power supply of the conductive coil;

s7: opening the electromagnetic valve to discharge the colloid in the inner container into the second accommodating chamber;

s8: closing the electromagnetic valve until all the colloid in the inner container is discharged to the second accommodating chamber;

s9: turning off the air compressor;

s10: disconnecting the power supply of the electric heating plate;

s11: maintaining the pressure until the electric heating plate and the colloid in the second accommodating chamber are cooled and formed;

s12: detaching the end cap from the discharge port;

s13: and pulling out the colloid formed in the second accommodating chamber from the discharge port to obtain the rubber pad body.

In one possible design of the second aspect, the method further includes:

s14: cutting off the edge of the rubber pad body to meet the required specification;

s15: and a layer of water-absorbing cloth is wrapped outside the rubber pad body.

In a third aspect, the invention provides a rubber pad, which is manufactured by the method in the second aspect, and comprises the rubber body and the water absorption cloth wrapped outside the rubber body, wherein air bubbles are uniformly distributed in the rubber body, and the air pressure in the air bubbles is greater than that in the atmosphere.

Compared with the prior art, the reaction kettle, the preparation method and the rubber pad for preparing the light-weight high-performance rubber provided by the invention have the advantages that the reaction kettle heats and stirs the colloid at a high speed in an air pressurization environment, so that gas is mixed into the colloid, the colloid is cast and cooled and formed under the conditions of pressure and heat preservation, a large amount of bubbles are contained in the colloid, and the inside of the colloid still has higher air pressure after the bubbles are cooled through heat preservation and pressure preservation.

Drawings

The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic perspective view of an embodiment of the present application;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic structural diagram of a housing according to an embodiment of the present application;

FIG. 4 is a schematic structural diagram of an inner container according to an embodiment of the present application;

FIG. 5 is a schematic structural view of a stirring blade according to an embodiment of the present application;

FIG. 6 is a cross-sectional view taken in the direction B-B of FIG. 2;

fig. 7 is a cross-sectional view of a rubber pad in another embodiment of the present application.

Reference numerals:

100. a housing; 101. a first accommodating chamber; 102. a second accommodating chamber; 103. an outlet port; 104. an end cap; 105. a through hole;

200. an inner container; 201. a feeding port; 202. a cover plate; 203. a conductive coil; 204. a discharge opening; 205. an electromagnetic valve; 206. an air inlet;

300. an air compressor;

400. a stirrer; 401. a motor; 402. a stirring blade; 403. a main shaft; 404. an outer ring stirring rod; 405. an inner ring stirring rod;

500. a heat preservation device; 501. an upper partition plate; 502. a lower partition plate; 503. a metal foil;

600. a pressure maintaining device; 601. a cylinder body; 602. a balancing weight; 603. a compression chamber; 604. a piston;

700. a rubber body; 701. a water-absorbing cloth.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.

In the description of the present application, 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," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

The words "if", as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context.

It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.

Example 1

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present embodiment provides a reaction kettle for preparing lightweight high performance rubber, which is used for producing rubber mats special for yoga, and includes a shell 100, an inner container 200, an air compressor 300, a stirrer 400, a heat preservation device 500 and a pressure maintaining device 600; the casing 100 comprises a first accommodating chamber 101 and a second accommodating chamber 102, and the inner container 200 is fixedly connected inside the first accommodating chamber 101; the top surface of the inner container 200 is provided with a feed port 201, the feed port 201 is hermetically connected with a cover plate 202 in a sealing manner, the stirrer 400 comprises a motor 401 and a stirring blade 402, the motor 401 is in transmission connection with the stirring blade 402, the motor 401 and the stirring blade 402 are positioned in the inner container 200, and the motor 401 is fixedly connected with the lower surface of the cover plate 202; the inner container 200 is made of ceramic materials, a wire coil 203 is embedded in the inner container 200, the wire coil 203 is spirally arranged around the central axis of the inner container 200, the stirring blade 402 is made of metal materials, and the stirring blade 402 is positioned on the inner side of the wire coil 203; the heat preservation device 500 is fixedly connected inside the second accommodating chamber 102, the heat preservation device 500 comprises an upper partition plate 501 and a lower partition plate 502, the upper partition plate 501 is fixedly connected to the upper surface of the second accommodating chamber 102, the lower partition plate 502 is fixedly connected to the lower surface of the second accommodating chamber 102, the upper partition plate 501 is parallel to the lower partition plate 502, a gap is formed between the upper partition plate 501 and the lower partition plate 502, and the upper partition plate 501 and the lower partition plate 502 are used for preserving heat of rubber entering the second accommodating chamber 102; the second accommodating chamber 102 is positioned at the bottom of the first accommodating chamber 101, the bottom of the liner 200 is provided with a discharge opening 204, the discharge opening 204 is communicated with the second accommodating chamber 102, an electromagnetic valve 205 is fixedly arranged in the discharge opening 204, one end of the second accommodating chamber 102, which is far away from the discharge opening 204, is provided with a discharge opening 103, the discharge opening 103 is hermetically connected with an end cover 104, and a gap between the upper partition plate 501 and the lower partition plate 502 is positioned on the inner side of the inner wall of the discharge opening 103; the air compressor 300 is fixedly connected with the shell 100, the top of the inner container 200 is provided with an air inlet 206, and an air outlet of the air compressor 300 is communicated with the air inlet 206; pressurizer 600 includes cylinder body 601, piston 604 and balancing weight 602, cylinder body 601 and shell 100 fixed connection, piston 604 is along the sealed sliding connection of vertical direction with the inner wall of cylinder body 601, balancing weight 602 fixed connection is at the upper surface of piston 604, form compression chamber 603 between the inboard bottom surface of piston 604 lower surface and cylinder body 601, through-hole 105 has been seted up on end cover 104, through-hole 105 communicates each other through the pipeline with compression chamber 603, the switch setting of motor 401 is on the top surface of apron 202.

The working process comprises the following steps:

s1: putting the raw materials into the inner container 200, closing the cover plate 202, closing the electromagnetic valve 205 and closing the end cover 104;

s2: starting the air compressor 300 to increase the air pressure in the inner container 200;

s3: the power supply of the conducting coil 203 is switched on, the conducting coil 203 is made of metal materials, and eddy current is generated inside the stirring blade 402, so that the stirring blade 402 is heated until all raw materials in the inner container 200 are melted to form colloid;

s4: starting a motor 401 to stir the colloid, wherein the rotating speed of a stirring blade 402 is more than 300 circles per minute;

s5: the upper partition plate 501 and the lower partition plate 502 are both electric heating plates, and the electric heating plates are heated by switching on the power supply of the electric heating plates;

s6: turning off the motor 401 and disconnecting the power supply of the wire coil 203;

s7: opening the electromagnetic valve 205 to discharge the colloid in the inner container 200 into the second accommodating chamber 102;

s8: after all the colloid in the inner container 200 is discharged to the second accommodating chamber 102, the electromagnetic valve 205 is closed;

s9: the air compressor 300 is shut down;

s10: the power supply of the electric heating plate is cut off;

s11: maintaining the pressure until the electric heating plate and the colloid in the second accommodating chamber 102 are cooled and formed;

s12: removing the cap 104 from the discharge port 103;

s13: the colloid formed in the second accommodating chamber 102 is pulled out from the discharge port 103 to obtain a rubber pad body;

s15: a layer of water absorption cloth 701 is wrapped outside the rubber pad body.

Use reation kettle in this embodiment and according to foretell working procedure, can obtain the inside rubber pad that contains a large amount of bubbles, the rubber pad bulk density is low, and light in weight has good flexibility and elasticity, satisfies the requirement as the special rubber pad of yoga, has overcome among the prior art reation kettle can't prepare the problem of including a large amount of bubble rubber pads.

In the process of pulling out the molded rubber pad body from the second accommodating chamber 102, there is frictional resistance between the rubber pad body and the first and second partition plates, which may cause the rubber pad to be broken when the frictional force is too large.

As shown in fig. 3, in order to solve the above problem, in this embodiment, a metal sheet 503 is horizontally slidably connected to one surface of the upper partition 501 close to the lower partition 502, a frictional force between the metal sheet and the rubber pad is greater than a frictional force between the metal sheet 503 and the inner wall of the second accommodating chamber 102, and the rubber pad is pulled out from the second accommodating chamber 102 together with the metal sheet 503, so as to reduce a frictional resistance between the rubber pad and the inner wall of the second accommodating chamber 102.

Specifically, the structure of the horizontal sliding connection between the metal sheet 503 and the partition 501 may be that a horizontal sliding groove is formed in the partition 501, and the metal sheet 503 is inserted into the horizontal sliding groove to realize the sliding connection with the partition.

The metal sheet 503 may be horizontally slidably connected to one surface of the lower partition plate 502 close to the upper partition plate 501, or the metal sheet 503 may be horizontally slidably connected to both surfaces of the upper partition plate 501 and the lower partition plate 502 close to each other. The metal sheet 503 can be inserted into the second housing chamber 102 or pulled out of the second housing chamber 102 from the discharge port 103 when sliding relative to the second housing chamber 102.

In one possible design, the upper partition 501 is an electric heating plate, and the lower partition 502 is an insulating plate, it should be understood that the upper partition 501 may be an insulating plate, and the lower partition 502 may be an electric heating plate; or both the upper partition 501 and the lower partition 502 are heat insulation plates. Through the arrangement, after the molten colloid in the inner container 200 flows into the second accommodating chamber 102, the colloid can be kept warm or heated, and the cooling speed of the colloid is delayed, so that the colloid flows to fill the whole second accommodating chamber 102, in combination with fig. 6, the inner container 200 is of a cylindrical barrel structure, the second accommodating chamber 102 is of a rectangular structure, in the process that the colloid flows into the second accommodating chamber 102 from the inner container 200, the inner container 200 and the second accommodating chamber 102 form a closed cavity, and the air pressure in each part is equal.

Referring to fig. 2 and 5, the stirring blade 402 includes a main shaft 403 and an outer ring stirring rod 404, the main shaft 403 is fixedly connected to an output shaft of the motor 401, a bottom end of the main shaft 403 is vertically and fixedly connected to a center of the outer ring stirring rod 404, the output shaft of the motor 401 is vertically arranged, two ends of the outer ring stirring rod 404 are arc-shaped and upwardly tilted to form a U-shape, and a rotation diameter of the outer ring stirring rod 404 is greater than a half of a diameter of an inner wall of the inner container 200.

Through the arrangement, the colloid at the bottom of the inner container 200 close to the circumferential surface can be stirred in the rotating process of the stirring blade 402, the contact frequency of the colloid at different positions and the heating stirring blade 402 is improved, and the melting and stirring efficiency is improved.

One possible example is that the stirring blade 402 comprises a main shaft 403 and an inner ring stirring rod 405, the main shaft 403 is fixedly connected with an output shaft of the motor 401, the middle parts of two ends of the main shaft 403 are vertically and fixedly connected with the center of the inner ring stirring rod 405, the output shaft of the motor 401 is vertically arranged, two ends of the inner ring stirring rod 405 are bent downwards to form an inverted U shape, and the rotation diameter of the inner ring stirring rod 405 is smaller than half of the diameter of the inner wall of the inner container 200.

Through the arrangement, the stirring blades 402 can stir the colloid in the central position of the inner container 200, so that the melting and stirring efficiency is improved.

It should be understood that a combination of the two cases may also be provided, that is, the stirring blade 402 includes a main shaft 403, an outer ring stirring rod 404 and an inner ring stirring rod 405, the output shaft of the motor 401 is vertically arranged, and the main shaft 403 is fixedly connected with the output shaft of the motor 401; the main shaft 403 is fixedly connected with an output shaft of the motor 401, the bottom end of the main shaft 403 is vertically and fixedly connected with the center of the outer ring stirring rod 404, two ends of the outer ring stirring rod 404 are arc-shaped and upwards tilted to form a U shape, and the rotation diameter of the outer ring stirring rod 404 is larger than half of the diameter of the inner wall of the inner container 200; the main shaft 403 is fixedly connected with an output shaft of the motor 401, the middle parts of two ends of the main shaft 403 are vertically and fixedly connected with the center of the inner ring stirring rod 405, two ends of the inner ring stirring rod 405 are bent downwards to form an inverted U shape, and the rotation diameter of the inner ring stirring rod 405 is smaller than half of the diameter of the inner wall of the inner container 200.

Through the arrangement, the stirring blades 402 can stir the center positions of the bottom center, the periphery of the bottom and the middle part of the inner container 200, so that colloid in different positions of the inner container 200 can be fully stirred, and the stirring efficiency is improved.

Inner circle puddler 405 and outer lane puddler 404 are located the coplanar, and the tip and the outer lane puddler 404 fixed connection of inner circle puddler 405 bending down, through this setting, inner circle puddler 405 and outer lane puddler 404 stir in step, stir the colloid that is located the coplanar simultaneously.

The plane where the inner ring stirring rod 405 is located and the plane where the outer ring stirring rod 404 is located may also be set to be perpendicular to each other, and through this setting, the outer ring stirring rod 404 and the inner ring stirring rod 405 stir the colloid located on the two planes perpendicular to each other.

Example 2

This embodiment provides a method for preparing a rubber gasket, which employs any one of the reaction kettles in embodiment 1, and since the reaction kettle has the same structure as that exemplified in embodiment 1, the description is omitted in this embodiment, and the method in this embodiment includes the following steps:

s2: starting the air compressor 300, and increasing the air pressure in the inner container 200, wherein the air pressure can be set to be about 5 MPa;

s3: the power supply of the conductive coil 203 is switched on, and the stirring blade 402 is heated until all the raw materials in the inner container 200 are melted to form colloid;

s9: the air compressor 300 is shut down;

s10: the power supply of the electric heating plate is cut off;

s12: removing the cap 104 from the discharge port 103;

s13: the rubber pad body is obtained by pulling out the molded rubber body in the second housing chamber 102 from the discharge port 103.

In one possible design, the method further comprises:

Through the method and the steps, the rubber pad with the air bubbles uniformly distributed inside can be prepared, the whole density of the rubber pad is low, the weight is light, the rubber pad has excellent flexibility and elasticity, and the requirement of the rubber pad special for yoga is met.

Example 3

As shown in fig. 6, the rubber pad provided in this embodiment is manufactured by the method in embodiment 2, and includes a rubber body 700 and a water absorption cloth 701 wrapped outside the rubber body 700, where bubbles are uniformly distributed inside the rubber body 700, and the air pressure inside the bubbles is greater than the air pressure of the atmosphere.

Since the method for preparing the rubber pad in this embodiment is the same as that in embodiment 2, embodiment 2 may be specifically referred to, and this embodiment is not described herein again.

In the description of the present application, reference to the description of the terms "an embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A reaction kettle for preparing light high-performance rubber is used for producing rubber mats special for yoga, and is characterized by comprising a shell (100), an inner container (200), an air compressor (300), a stirrer (400), a heat preservation device (500) and a pressure maintaining device (600);

the shell (100) comprises a first accommodating chamber (101) and a second accommodating chamber (102), and the inner container (200) is fixedly connected inside the first accommodating chamber (101);

a feeding port (201) is formed in the top surface of the inner container (200), a cover plate (202) is connected to the feeding port (201) in a sealing mode, the stirrer (400) comprises a motor (401) and a stirring blade (402), the motor (401) is in transmission connection with the stirring blade (402), the motor (401) and the stirring blade (402) are located inside the inner container (200), and the motor (401) is fixedly connected with the lower surface of the cover plate (202);

the inner container (200) is made of a ceramic material, a conductive coil (203) is embedded in the inner container (200), the conductive coil (203) is spirally arranged around the central axis of the inner container (200), the stirring blades (402) are made of a metal material, and the stirring blades (402) are positioned on the inner side of the conductive coil (203);

the heat preservation device (500) is fixedly connected inside the second accommodating chamber (102), the heat preservation device (500) comprises an upper partition plate (501) and a lower partition plate (502), the upper partition plate (501) is fixedly connected to the upper surface of the second accommodating chamber (102), the lower partition plate (502) is fixedly connected to the lower surface of the second accommodating chamber (102), the upper partition plate (501) is parallel to the lower partition plate (502), a gap is formed between the upper partition plate (501) and the lower partition plate (502), and the upper partition plate (501) and the lower partition plate (502) are used for preserving heat of rubber entering the second accommodating chamber (102);

the second accommodating chamber (102) is located at the bottom of the first accommodating chamber (101), a discharge opening (204) is formed in the bottom of the liner (200), the discharge opening (204) is communicated with the second accommodating chamber (102), an electromagnetic valve (205) is fixedly installed in the discharge opening (204), a discharge opening (103) is formed in one end, away from the discharge opening (204), of the second accommodating chamber (102), an end cover (104) is connected to the discharge opening (103) in a sealing mode, and a gap between the upper partition plate (501) and the lower partition plate (502) is located on the inner side of the inner wall of the discharge opening (103);

the air compressor (300) is fixedly connected with the shell (100), the top of the inner container (200) is provided with an air inlet (206), and an air outlet of the air compressor (300) is communicated with the air inlet (206);

pressurizer (600) include cylinder body (601), piston (604) and balancing weight (602), cylinder body (601) with shell (100) fixed connection, piston (604) with the inner wall of cylinder body (601) is along the sealed sliding connection of vertical direction, balancing weight (602) fixed connection be in the upper surface of piston (604), piston (604) lower surface with form compression chamber (603) between the bottom surface of cylinder body (601) inboard, through-hole (105) have been seted up on end cover (104), through-hole (105) with compression chamber (603) communicate with each other through the pipeline.

2. The reaction kettle for preparing the light-weight high-performance rubber according to claim 1, wherein a metal sheet (503) is horizontally connected to one surface of the upper partition (501) close to the lower partition (502) in a sliding manner;

and/or one surface of the lower clapboard (502) close to the upper clapboard (501) is horizontally and slidably connected with a metal sheet (503).

3. The reaction kettle for preparing the light-weight high-performance rubber according to claim 1, wherein the upper partition (501) is an electric heating plate, and the lower partition (502) is a heat insulation plate;

or the upper clapboard (501) is a heat insulation plate, and the lower clapboard (502) is an electric heating plate;

or the upper partition plate (501) and the lower partition plate (502) are both electric heating plates;

or both the upper clapboard (501) and the lower clapboard (502) are heat insulation boards.

4. The reaction kettle for preparing the light-weight high-performance rubber according to any one of claims 1 to 3, wherein the stirring blade (402) comprises a main shaft (403) and an outer ring stirring rod (404), the main shaft (403) is fixedly connected with an output shaft of the motor (401), the bottom end of the main shaft (403) is vertically and fixedly connected with the center of the outer ring stirring rod (404), the output shaft of the motor (401) is vertically arranged, two ends of the outer ring stirring rod (404) are arched upwards to form a U shape, and the rotation diameter of the outer ring stirring rod (404) is greater than half of the diameter of the inner wall of the inner container (200).

5. The reaction kettle for preparing the light-weight high-performance rubber according to any one of claims 1 to 3, wherein the stirring blade (402) comprises a main shaft (403) and an inner ring stirring rod (405), the main shaft (403) is fixedly connected with an output shaft of the motor (401), the middle parts of two ends of the main shaft (403) are vertically and fixedly connected with the center of the inner ring stirring rod (405), the output shaft of the motor (401) is vertically arranged, two ends of the inner ring stirring rod (405) are bent downwards to form an inverted U shape, and the rotation diameter of the inner ring stirring rod (405) is smaller than half of the diameter of the inner wall of the inner container (200).

6. The reaction kettle for preparing the light-weight high-performance rubber according to any one of claims 1 to 3, wherein the stirring blade (402) comprises a main shaft (403), an outer ring stirring rod (404) and an inner ring stirring rod (405), an output shaft of the motor (401) is vertically arranged, and the main shaft (403) is fixedly connected with the output shaft of the motor (401);

the main shaft (403) is fixedly connected with an output shaft of the motor (401), the bottom end of the main shaft (403) is vertically and fixedly connected with the center of the outer ring stirring rod (404), two ends of the outer ring stirring rod (404) are arc-shaped and upwards tilted to form a U shape, and the rotation diameter of the outer ring stirring rod (404) is larger than half of the diameter of the inner wall of the inner container (200);

the main shaft (403) is fixedly connected with an output shaft of the motor (401), the middle parts of two ends of the main shaft (403) are vertically and fixedly connected with the center of the inner ring stirring rod (405), two ends of the inner ring stirring rod (405) are bent downwards to form an inverted U shape, and the rotation diameter of the inner ring stirring rod (405) is smaller than half of the diameter of the inner wall of the inner container (200).

7. The reaction kettle for preparing the light-weight high-performance rubber according to any one of claims 1 to 3, wherein the inner ring stirring rod (405) and the outer ring stirring rod (404) are located on the same plane, and the end part of the inner ring stirring rod (405) bent downwards is fixedly connected with the outer ring stirring rod (404);

or the plane of the inner ring stirring rod (405) and the plane of the outer ring stirring rod (404) are perpendicular to each other.

8. A production method characterized by using the reaction vessel according to any one of claims 1 to 7, comprising the steps of:

s1: feeding a raw material into the inner container (200), closing the cover plate (202), closing the electromagnetic valve (205), and closing the end cap (104);

s2: starting the air compressor (300) to increase the air pressure in the inner container (200);

s3: switching on a power supply of the conductive coil (203), and heating the stirring blade (402) until all raw materials in the inner container (200) are melted to form colloid;

s4: starting a motor (401) to stir the colloid, wherein the rotating speed of a stirring blade (402) is more than 300 circles per minute;

s5: the upper partition plate (501) and the lower partition plate (502) are both electric heating plates, and the electric heating plates are heated by switching on the power supply of the electric heating plates;

s6: turning off the motor (401) and cutting off the power supply of the conductive coil (203);

s7: opening the electromagnetic valve (205) to discharge the colloid in the inner container (200) into the second accommodating chamber (102);

s8: closing the electromagnetic valve (205) until all the colloid in the inner container (200) is discharged to the second accommodating chamber (102);

s9: turning off the air compressor (300);

s10: disconnecting the power supply of the electric heating plate;

s11: maintaining the pressure until the electric heating plate and the colloid in the second accommodating chamber (102) are cooled and formed;

s12: detaching the end cap (104) from the discharge port (103);

s13: and pulling out the colloid formed in the second accommodating chamber (102) from the discharge port (103) to obtain the rubber pad body.

9. The method of claim 8, further comprising:

s15: a layer of water absorption cloth (701) is wrapped outside the rubber pad body.

10. A rubber pad, characterized by that, adopt the method in claim 8 or 9 to make, including the said rubber body (700) and wrap up the said absorbent cloth (701) outside the rubber body (700), the said rubber body (700) inside distributes the bubble evenly, the atmospheric pressure in the bubble is greater than the atmospheric pressure.