CN114953321B - Preparation method of efficient environment-friendly supercritical die-pressing foaming elastomer - Google Patents
Preparation method of efficient environment-friendly supercritical die-pressing foaming elastomer Download PDFInfo
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- CN114953321B CN114953321B CN202210579967.4A CN202210579967A CN114953321B CN 114953321 B CN114953321 B CN 114953321B CN 202210579967 A CN202210579967 A CN 202210579967A CN 114953321 B CN114953321 B CN 114953321B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3442—Mixing, kneading or conveying the foamable material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/007—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by irradiation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3415—Heating or cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/35—Component parts; Details or accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/58—Moulds
- B29C44/588—Moulds with means for venting, e.g. releasing foaming gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/60—Measuring, controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/804—UV light
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
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Abstract
The invention discloses a preparation method of a high-efficiency environment-friendly supercritical die pressing foaming elastomer, which comprises a pressure relief mechanism and a quantity limiting mechanism, wherein the pressure relief mechanism is arranged on the top side of an upper die, the flow guiding effect on pressure relief air flow is provided through an exhaust pipeline, a connecting transverse pipe and the flow guiding effect of a flow guiding fan blade, then an air pressure regulating effect is provided for a pressure regulating mechanism through an air pressure electromagnetic valve and a first telescopic air pipe, the air pressure regulating mechanism is arranged in an elastic sealing cylinder, air flow is guided into an air pressure rod through a fixed air pipe, a sealing step cover, a first sealing washer and a second sealing washer are pushed by the air pressure rod according to the air pressure to seal the exhaust pipeline, the sealing effect on the exhaust pipeline is improved, the pressure relief effect is improved, the flow guiding mechanism is arranged at the top of the first telescopic air pipe, and the air flow is driven by a miniature air pump to enter the first telescopic air pipe and an electric heating air pipe under the reversing effect of a first electromagnetic reversing valve.
Description
Technical Field
The invention relates to the relevant field of mould pressing foaming, in particular to a preparation method of a high-efficiency environment-friendly supercritical mould pressing foaming elastomer.
Background
The foamed elastomer is often seen in daily life, for example, materials such as yoga mats, shoe materials, crawling mats and the like are foamed artware, and the foamed elastomer has the advantages of high production efficiency, high product quality and the like, so that the foaming process has greater application and efficacy in modern industry; the process refers to that a specific material is matched with supercritical gas to perform material reaction in aspects of physics or chemistry and the like under limited pressure and temperature.
Most of the existing preparation equipment has single function, and the blanking requirements of solvents with different effects on quantification, timeliness and the like are difficult to meet; the existing foaming process is easy to generate pungent odor or even harmful gas, and the gas is easy to harm the physical and mental health of workers and users; the upper die and the lower die of the existing device are difficult to have the same temperature, so that the foaming efficiency of the upper side and the lower side of an elastic body is different, and the foaming is not uniform enough; the existing exhaust and pressure relief function is poor, an exhaust assembly in the exhaust process is easy to damage, and the replacement cost is high; meanwhile, the gas expansion has great potential safety hazard and great noise.
Disclosure of Invention
Therefore, in order to solve the above-mentioned disadvantages, the present invention provides a method for preparing an efficient and environmentally friendly supercritical molded foamed elastomer.
The invention is realized in such a way, a preparation method of the high-efficiency environment-friendly supercritical die pressing foaming elastomer is constructed, and the device is characterized in that: comprises the following steps;
the method comprises the following steps: the lubricant is quantitatively added into the processing equipment through a plurality of groups of metering valves and quick connectors and is stirred through the processing equipment, the preparation material is detected through parts such as a micro liquid pump and a detection assembly, and when the data are qualified, the foaming agent, the cross-linking agent and the nucleating agent are sequentially added into the processing equipment in batches and quantitatively to prepare.
Step two: the air flow is respectively guided into the first telescopic air pipe and the electric heating air pipe through the flow guide effects of the miniature air pump and the first electromagnetic reversing valve, so that the air flow inside the first telescopic air pipe enters the air pressure rod and drives the sealing step cover to move downwards to seal and block the exhaust pipeline, and the upper die and the lower die are preheated by the electric heating air pipe heating air flow.
Step three: the pressure rod is slowly decompressed through the control of the air pressure electromagnetic valve, so that the air pressure rod drives components such as the sealing step cover and the like to be slightly adjusted, and the interior of the upper die and the interior of the lower die are quickly decompressed.
Step four: then, the air flow is brought into the glass heat exchange tube and the filter box through a third telescopic air tube, and the heat exchange and degradation work is synchronously carried out through the guide fan and the ultraviolet lamp column;
a preparation equipment of high-efficient environmental protection supercritical mould pressing foaming elastomer includes work platform, installs at the support frame that plays the supporting role at the work platform top, install at the work platform top and play the bed die of shaping effect, set up at work platform rear side processing equipment and install at the work platform front end and play control panel of control action, the fixed roof-rack that plays the supporting role is installed at the support frame top, the cylinder that pushes down that plays the regulating action is installed at fixed roof-rack top, the last mould that plays the shaping effect is installed to cylinder piston rod bottom that pushes down, it all is connected with the control panel electricity to push down cylinder and processing equipment.
Preferably, still including installing the pressure release mechanism on last mould top side and installing the mechanism of limiting quantity at the processing equipment right-hand member, the mechanism of limiting quantity includes that the pipe installation plays the miniature liquid pump of water conservancy diversion effect at the processing equipment right-hand member and installs the detection case that plays the guard action at the processing equipment right-hand member, the relay control subassembly that plays control action is installed to the detection case inside wall, miniature liquid pump top pipe-line mounting has the detection module that plays detection action, second back flow and the relay control subassembly of cable junction at the detection module rear side that play the backward flow effect are installed at the detection module top, the check valve that plays water conservancy diversion effect is installed at second back flow top, relay control subassembly top connecting cable and metering valve control fixed connection, the multi-way pipe that plays the water conservancy diversion effect is installed to the metering valve front end pipeline and the quick-operation joint that plays quick connection effect is installed at the metering valve rear end, miniature liquid pump, detection module, check valve, relay control subassembly and metering valve all are connected with the control panel electricity.
Preferably, pressure release mechanism includes that the piping erection plays the exhaust duct of water conservancy diversion effect at last mould top, exhaust duct top piping erection has the connection of playing the water conservancy diversion effect to violently manage, connect violently manage the top to lead to the groove and install the elastic seal section of thick bamboo that plays sealed effect, install and connect the inside water conservancy diversion flabellum and the piping erection that play the water conservancy diversion effect of violently managing the heat transfer mechanism of rear end, elastic seal section of thick bamboo inboard is equipped with pressure regulating mechanism and piping erection and plays the air pressure solenoid valve of water conservancy diversion effect in elastic seal section of thick bamboo top, air pressure solenoid valve top piping erection has the first flexible trachea of playing the water conservancy diversion effect, first flexible trachea top is provided with water conservancy diversion mechanism, air pressure solenoid valve is connected with the control panel electricity.
Preferably, the pressure regulating mechanism comprises a fixed air pipe which is arranged inside the elastic sealing cylinder and plays a supporting role, the bottom of the fixed air pipe is connected with an air inlet pipeline of the air pressure rod, a sealing step cover which plays a sealing role is arranged at the bottom of a piston rod of the air pressure rod, and a first sealing washer and a second sealing washer which play a sealing role are respectively arranged on the step surface at the top of the sealing step cover and the step surface at the bottom of the sealing step cover.
Preferably, the diversion mechanism comprises a first electromagnetic reversing valve which is installed at the top of the first telescopic air pipe and plays a role in reversing, a miniature air pump which plays a role in diversion is installed on the right end pipeline of the first electromagnetic reversing valve, an electric heating air pipe which plays a role in heating is installed on a connecting pipe at the left end of the first electromagnetic reversing valve, a first synchronous valve which plays a role in diversion and current collection is installed at the bottom of the electric heating air pipe, a second telescopic air pipe which plays a role in diversion is installed on an air outlet pipeline at the front end of the first synchronous valve, a second synchronous valve which plays a role in current collection is installed on a front end pipeline of the second telescopic air pipe, a second electromagnetic reversing valve which plays a role in reversing is installed on a pipeline at the top of the second synchronous valve, a first backflow pipe which plays a role in backflow is installed on an air outlet pipeline at the top of the second electromagnetic reversing valve, and the first electromagnetic reversing valve, the miniature air pump, the electric heating air pipe, the first synchronous valve, the second synchronous valve and the second electromagnetic reversing valve are all electrically connected with the control panel.
Preferably, heat transfer mechanism includes the third flexible trachea of pipe installation at the connection horizontal pipe rear side, heat transfer case and the pipe installation that play the heat transfer effect are installed at the flexible trachea top of third and are played the glass heat exchange tube of heat transfer effect at the flexible trachea top of third, the rose box that plays the filtering action is installed to the heat transfer case left end, install and play the air guide of water conservancy diversion effect at heat transfer case right-hand member and derive the gas hood, install the guiding fan that plays the water conservancy diversion effect in the rose box inside groove and install the ultraviolet lamp post that plays the degradation effect in the rose box inside groove, guiding fan and ultraviolet lamp post all are connected with control panel electricity.
Preferably, exhaust duct all is equipped with high temperature resistance soundproof cotton with connecting horizontal intraduct, and exhaust duct and the junction of connecting horizontal pipe are equipped with the sealing washer.
Preferably, the sealing step cover is in a shape of a circular tower with two layers of equal height, wide top and narrow bottom, and the specification size of the sealing step cover is the same as that of the air inlet at the bottom side of the exhaust pipeline.
Preferably, the glass heat exchange tubes in the heat exchange box are distributed in an annular progressive manner, and the air inlet direction of the glass heat exchange tubes is opposite to the air outlet direction of the guide fan.
Preferably, four groups of relay electric control assemblies and metering valves are arranged inside the detection assembly and at the right end of the multi-way pipe respectively, and a single group of relay electric control assemblies is in cable connection with the metering valves.
Preferably, the first sealing washer is made of rubber.
Preferably, the glass heat exchange tube is made of boric acid and silicic acid.
The invention has the following advantages: the invention provides a preparation method of an efficient and environment-friendly supercritical die-pressing foaming elastomer through improvement, compared with the same type of equipment, the preparation method has the following improvements:
according to the preparation method of the efficient environment-friendly supercritical die pressing foaming elastomer, the pressure relief mechanism is arranged on the top side of the upper die, the pressure relief airflow guide effect is provided under the guide effect of the guide fan blades through the exhaust pipeline and the connecting horizontal pipe, and then the air pressure regulating effect is provided for the pressure regulating mechanism through the air pressure electromagnetic valve and the first telescopic air pipe.
According to the preparation method of the efficient environment-friendly supercritical die-pressing foaming elastomer, the pressure regulating mechanism is arranged in the elastic sealing cylinder, the air flow is guided into the air pressure rod through the fixed air pipe, and the air pressure rod pushes the sealing step cover, the first sealing washer and the second sealing washer to seal the exhaust pipeline according to the air pressure, so that the sealing effect on the exhaust pipeline is improved, and the pressure relief effect is improved.
The invention relates to a preparation method of a high-efficiency environment-friendly supercritical die pressing foaming elastomer, which is characterized in that a flow guide mechanism is arranged at the top of a first telescopic air pipe, air flow is driven by a micro air pump to respectively enter the first telescopic air pipe and an electric heating air pipe under the reversing action of a first electromagnetic reversing valve, at the moment, the air flow is heated by the electric heating air pipe, then the heated air flow is sent into an upper die and a lower die through a second synchronous valve and a second telescopic air pipe, and the heat recovery or backflow utilization effect is realized on the heated air flow through the flow guide of the second synchronous valve and a second electromagnetic reversing valve.
According to the preparation method of the efficient environment-friendly supercritical die-pressing foaming elastomer, the heat exchange mechanism is arranged on the rear side of the connecting transverse pipe, the air flow is guided into the glass heat exchange pipe through the third telescopic air pipe, at the moment, the heat exchange and harmful degradation actions are carried out on the air flow through the diversion fan and the ultraviolet lamp column, then the air flow enters the filter box for filtering, and the tail gas filtering effect is favorably improved.
According to the preparation method of the efficient and environment-friendly supercritical die-pressing foaming elastomer, the limit mechanism is arranged at the right end of the processing equipment, the preparation liquid is driven by the micro liquid pump to enter the detection assembly for detection, the preparation liquid flows back through the second return pipe and the one-way valve, and then the opening and closing work of the metering valve is controlled by the detection assembly and the relay control assembly, so that the quantitative and blending effects of the preparation solution are improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a three-dimensional explosion structure of the pressure relief mechanism of the present invention;
FIG. 3 is a schematic perspective view of the pressure regulating mechanism of the present invention;
FIG. 4 is a schematic diagram of the pressure regulating mechanism of the present invention viewed from the right;
FIG. 5 is a perspective view of the deflector mechanism of the present invention;
FIG. 6 is a schematic perspective view of the heat exchange mechanism of the present invention;
FIG. 7 is a schematic structural diagram of a heat exchange mechanism of the present invention;
FIG. 8 is a perspective view of the limiting mechanism of the present invention;
FIG. 9 is a schematic diagram of the right side view of the limit mechanism of the present invention.
Wherein: the device comprises a working platform-1, a support frame-2, a fixed top frame-3, a lower air cylinder-4, an upper mold-5, a pressure relief mechanism-6, a lower mold-7, processing equipment-8, a limiting mechanism-9, a control panel-10, an exhaust pipeline-61, a connecting transverse pipe-62, an elastic sealing cylinder-63, a pressure regulating mechanism-64, an air pressure solenoid valve-65, a first telescopic air pipe-66, a flow guide mechanism-67, flow guide fan blades-68, a heat exchange mechanism-69, a fixed air pipe-641, an air pressure rod-642, a sealing step cover-643, a first sealing washer-644, a second sealing washer-645, a first electromagnetic reversing valve-671, a micro air pump-672, an electric heating air pipe-673, a first synchronous valve-674, a second telescopic air pipe-675, a second synchronous valve-676, a second electromagnetic reversing valve-677, a first return pipe-678, a third telescopic air pipe-691, a heat exchange box-692, a filter box-693, a gas guide hood-694, a flow guide fan-695, a glass column-6, a heat exchange lamp column-697, a micro relay-96-93, a quick relay valve-93, a detection valve-93, a multi-93, a quick detection valve component, a multi-93 and a multi-93-96 connector.
Detailed Description
The present invention will be described in detail below with reference to fig. 1 to 9, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment;
a preparation method of a high-efficiency environment-friendly supercritical die-pressing foaming elastomer is characterized by comprising the following steps: comprises the following steps;
the method comprises the following steps: the lubricant is quantitatively added into the processing equipment 8 through a plurality of groups of metering valves 97 and quick connectors 99, the lubricant is stirred through the processing equipment 8, the prepared material is detected through components such as a micro liquid pump 91 and a detection assembly 93, and when the data are qualified, the foaming agent, the cross-linking agent and the nucleating agent are sequentially added into the processing equipment 8 in batches and quantitatively to prepare the foaming agent.
Step two: the air flow is respectively guided into the first telescopic air pipe 66 and the electric heating air pipe 673 by the flow guiding effects of the micro air pump 672 and the first electromagnetic directional valve 671, so that the air flow inside the first telescopic air pipe 66 enters the air pressure rod 642 and drives the sealing step cover 643 to move downwards to seal and block the exhaust pipeline 61, and the upper die 5 and the lower die 7 are preheated by the heating air flow of the electric heating air pipe 673.
Step three: the air pressure solenoid valve 65 controls the air pressure rod 642 to slowly release pressure, so that the air pressure rod 642 drives the sealing step cover 643 and other components to perform micro adjustment, and further the interiors of the upper die 5 and the lower die 7 are quickly released pressure.
Step four: then the air flow is brought into the glass heat exchange tube 696 and the filter box 693 through the third telescopic air tube 691, and the heat exchange and degradation work are synchronously carried out through the guide fan 695 and the ultraviolet lamp post 697.
In the preparation method of the high-efficiency environment-friendly supercritical die-pressing foaming elastomer, the preparation equipment of the high-efficiency environment-friendly supercritical die-pressing foaming elastomer is also related;
referring to fig. 1, the method for preparing a high-efficiency environment-friendly supercritical die-pressing foamed elastomer of the present invention includes a working platform 1, a supporting frame 2 installed on the top of the working platform 1 for supporting, a lower die 7 installed on the top of the working platform 1 for forming, a processing device 8 installed on the rear side of the working platform 1, and a control panel 10 installed on the front end of the working platform 1 for controlling, wherein a fixed top frame 3 for supporting is installed on the top of the supporting frame 2, a lower cylinder 4 for adjusting is installed on the top of the fixed top frame 3, an upper die 5 for forming is installed on the bottom of a piston rod of the lower cylinder 4, and both the lower cylinder 4 and the processing device 8 are electrically connected to the control panel 10.
Referring to fig. 2, in the method for preparing the high-efficiency environment-friendly supercritical molded foamed elastomer of the present invention, the pressure relief mechanism 6 includes an exhaust duct 61 with a duct installed on the top of the upper mold 5 for providing a supporting effect for the exhaust duct 61, a connecting cross tube 62 with a duct installed on the top of the exhaust duct 61 for providing a supporting effect for the connecting cross tube 62, an elastic sealing cylinder 63 with a sealing effect is installed in a through groove on the top of the connecting cross tube 62, a flow guide vane 68 installed inside the connecting cross tube 62 for providing a flow guide effect, and a heat exchange mechanism 69 installed at the rear end of the connecting cross tube 62 for providing an installation fixing effect for the flow guide vane 68, a pressure regulating mechanism 64 is installed inside the elastic sealing cylinder 63, and an air pressure solenoid valve 65 with a duct installed on the top of the elastic sealing cylinder 63 for providing a flow guide effect for providing a supporting effect for the air pressure solenoid valve 65, a first telescopic air tube 66 with a flow guide effect is installed on the top of the air pressure solenoid valve 65 for providing an electric power for the control panel 10, a sound insulation solenoid 61 and a sound insulation solenoid 62 are installed inside the connecting cross tube 62 for providing a sound insulation effect for the exhaust duct 62, and a sound insulation solenoid valve 62.
Referring to fig. 3 and 4, in the method for preparing a high-efficiency environment-friendly supercritical molded foamed elastomer according to the present invention, the pressure regulating mechanism 64 includes a fixing air pipe 641 installed inside the elastic sealing cylinder 63 for supporting, providing a supporting effect for the fixing air pipe 641, the bottom of the fixing air pipe 641 is connected to an air inlet pipe of an air pressure rod 642 for providing an air pressure adjusting effect for the air pressure rod 642, a sealing step cover 643 for providing a sealing effect is installed at the bottom of a piston rod of the air pressure rod 642 for providing an adjusting effect for the displacement of the sealing step cover 643, a first sealing washer 644 and a second sealing washer 645 for providing a sealing effect are respectively installed on a top step surface and a bottom step surface of the sealing step cover 643, providing a sealing effect for the sealing step cover 643, the sealing step cover 643 has a shape of a circular tower with two layers of equal height, and the size of the sealing step cover 643 is the same as that of the air inlet pipe 61 at the bottom side, so as to improve the sealing effect of the sealing step cover 643.
Referring to fig. 5, in the method for preparing a high-efficiency environment-friendly supercritical molded foamed elastomer of the present invention, the flow guide mechanism 67 includes a first electromagnetic directional valve 671 installed on the top of a first telescopic air pipe 66 to perform a directional function, and provide a supporting effect for the first electromagnetic directional valve 671, a micro air pump 672 installed in a pipeline at the right end of the first electromagnetic directional valve 671 to perform a flow guide function, and an electric heating air pipe 673 installed in a connecting pipe at the left end of the first electromagnetic directional valve 671 to perform a heating function, so as to improve the flow guide effect of the first electromagnetic directional valve 671, a first synchronous valve 674 installed at the bottom of the electric heating air pipe 673 to perform a flow dividing and collecting function, and provide a supporting effect for the first synchronous valve 674, a second telescopic air pipe 675 installed in a pipeline at the front end of the first synchronous valve 674 to perform a flow guide function, so as to provide a flow guide effect for the flow dividing of the first synchronous valve 674, the second synchronous valve 676 with the flow collecting function is installed on the front end pipeline of the second telescopic air pipe 675, the flow collecting effect is provided through the second synchronous valve 676, the second electromagnetic reversing valve 677 with the reversing function is installed on the top pipeline of the second synchronous valve 676, the supporting effect is provided for the second electromagnetic reversing valve 677, the first return pipe 678 with the flow returning function is installed on the air outlet pipeline on the top of the second electromagnetic reversing valve 677, the heated tail gas is recovered through the first return pipe 678, the first electromagnetic reversing valve 671, the micro air pump 672, the electric heating air pipe 673, the first synchronous valve 674, the second synchronous valve 676 and the second electromagnetic reversing valve 677 are electrically connected with the control panel 10, and electric energy is provided for the first electromagnetic reversing valve 671, the micro air pump 672, the electric heating air pipe 673, the first synchronous valve 674, the second synchronous valve 676 and the second electromagnetic reversing valve 677.
Referring to fig. 6 and 7, in the method for preparing the high-efficiency environment-friendly supercritical molded foamed elastomer according to the present invention, the heat exchange mechanism 69 includes a third telescopic air pipe 691 installed at the rear side of the horizontal connecting pipe 62, and provides a flow guide effect for the third telescopic air pipe 691, a heat exchange box 692 installed at the top of the third telescopic air pipe 691 and having a heat exchange function, and a glass heat exchange pipe 696 installed at the top of the third telescopic air pipe 691 and having a heat exchange function, and provides a support and a flow guide effect for the glass heat exchange pipe 696, a filter box 693 installed at the left end of the heat exchange box 692 and having a filtering function, a guiding air hood 694 installed at the right end of the heat exchange box 692 and having a flow guide function, a flow guide fan 695 installed in the filter box 693 and having a degrading function, and an ultraviolet lamp column 697 installed in the filter box 693 and providing a limiting effect for the ultraviolet lamp column 697, the flow guide fan 695 and the ultraviolet lamp column 697 are electrically connected to the control panel 10, and provide electric energy for the flow guide fan 692, the glass 696 inside the heat exchange pipe is distributed in an annular shape, and the glass heat exchange pipe 696 is in an opposite to improve the degrading effect.
Referring to fig. 8 and 9, the method for preparing a high-efficiency environment-friendly supercritical molded foamed elastomer of the present invention further includes a pressure relief mechanism 6 installed on the top side of the upper mold 5 and a limiting mechanism 9 installed on the right end of the processing equipment 8, the limiting mechanism 9 includes a micro liquid pump 91 installed on the right end of the processing equipment 8 through a pipeline to perform a flow guiding function and a detection box 92 installed on the right end of the processing equipment 8 to perform a protection function, and provides a supporting effect for the micro liquid pump 91 and the detection box 92, a relay control assembly 96 installed on the inner side wall of the detection box 92 to perform a control function and provide a protection effect for the relay control assembly 96, a detection assembly 93 installed on the top of the micro liquid pump 91 through a pipeline to perform a detection function and provide a supporting effect for the detection assembly 93, a second backflow function is installed on the top of the detection assembly 93, and a relay control assembly 96 connected to the rear side of the detection assembly 93 through a cable to provide a backflow effect for detecting liquid, a one-way valve 95 installed on the top of the flow guiding function is installed on the second backflow pipe 94 to prevent a backflow control assembly 95, and a quick flow control assembly 97 and a multi-way valve 97 are installed on the relay control assembly 97, a multi-way control assembly 97 installed on the detection assembly 97, a quick-way control assembly 97 and a quick-way connection panel 97 installed on the detection assembly 97, a quick-way connection panel 97 and a quick-way connection panel 97 are installed on the relay control assembly 97 to provide a quick-way connection panel 97 to provide a quick detection assembly 97, and a quick-way connection panel 97 for the quick-way connection panel 97, and a quick-connection panel 97 for the quick-way connection panel 97, and the single group of relay control assembly 96 and the metering valve 97 are connected by cables, so that an electric connection control effect is provided for the relay control assembly 96 and the metering valve 97.
Example two;
according to the preparation method of the efficient environment-friendly supercritical die pressing foaming elastomer, a first telescopic air pipe 66 and an electric heating air pipe 673 are fixedly connected with the inner wall of a fixed top frame 3, a limiting effect is provided for the first telescopic air pipe 66 and the electric heating air pipe 673, a sealing step cover 643 is contacted with an inner bottom side air inlet of an exhaust pipeline 61 and provides a sealing effect for the sealing step cover 643, the outer side surfaces of a first sealing washer 644 and a second sealing washer 645 are in sliding connection with the inner bottom side air inlet of the exhaust pipeline 61 and provide a sealing effect for the sealing step cover 643, a micro air pump 672 is installed at the top of the fixed top frame 3 and provides a supporting effect for the micro air pump 672, second telescopic air pipes 675 are installed on the front side and the rear side of an upper die 5 and a lower die 7 through the second telescopic air pipes 675, a first return pipe 678 is connected with a tail air hole pipe of the micro air pump 672 and provides an air flow return effect through the first return pipe 678, a bottom pipe of a multi-way pipe 98 is connected with a feed inlet pipe of a processing device 8 and provides a supporting effect for the multi-way pipe 98.
The invention provides a preparation method of a high-efficiency environment-friendly supercritical die pressing foaming elastomer through improvement, and the working principle is as follows;
firstly, when the equipment is used, the device is firstly placed in a working area, and then the equipment is connected with an external power supply, so that the required electric energy can be provided for the work of the equipment;
secondly, during preparation, firstly, adding preparation raw materials into the processing equipment 8 by workers, quickly connecting the preparation raw materials with an external pipeline through four groups of quick connectors 99, then, controlling the metering valve 97 to quantitatively add a lubricant into the processing equipment 8 through the control panel 10, stirring the lubricant through the processing equipment 8, then, controlling the micro liquid pump 91 to work to guide the preparation liquid into the detection assembly 93, and detecting the preparation materials through parts of the detection assemblies 93;
thirdly, when the data are qualified, the detection assembly 93 works by controlling the single-group metering valve 97 through the relay control assembly 96, so that the metering valve 97 sequentially, batchwise and quantitatively adds the foaming agent, the crosslinking agent and the nucleating agent into the processing equipment 8 for preparation;
fourthly, the air flow is guided into the first telescopic air pipe 66 by the flow guiding effect of the micro air pump 672 and the first electromagnetic directional valve 671, so that the air flow inside the first telescopic air pipe 66 is sent into the air pressure rod 642 by the adjustment of the air pressure electromagnetic valve 65, and the air pressure rod drives the sealing step cover 643 to move downwards, and the sealing step cover 643 blocks and seals the exhaust pipeline 61 under the matching of the first sealing washer 644 and the second sealing washer 645;
fifthly, the air flow is guided into the electric heating air pipe 673 through the micro air pump 672 and the first electromagnetic directional control valve 671, the electric heating air pipe 673 is controlled to work to heat the air flow, then the high-temperature air flow enters the upper die 5 and the lower die 7 respectively through the flow guiding and dividing effects of the first synchronizing valve 674 and the second telescopic air pipe 675, the heated air flow enters the second electromagnetic directional control valve 677 through the flow guiding and collecting effects of the second telescopic air pipe 675 and the second synchronizing valve 676, the air flow can be controlled through the second electromagnetic directional control valve 677 at the moment, the air flow can be guided out through an external pipeline to perform heat recovery action, meanwhile, the air flow can be guided back to the micro air pump 672 through the first return pipe 678 and is guided into the electric heating air pipe 673 again, the flow guiding and recovery effects of the preheated air flow can be improved, and the subsequent foaming efficiency can be improved;
sixthly, after the foaming operation is completed, the air pressure solenoid valve 65 is controlled to slowly release the pressure of the air pressure rod 642, so that the air pressure rod 642 drives parts such as a sealing step cover 643 to perform upward micro-adjustment, the interior of the upper die 5 and the lower die 7 is rapidly released, meanwhile, the released air flow can be buffered by the pressure of the air pressure rod 642, the noise during the pressure release is buffered by the sound insulation effect of the exhaust pipeline 61 and the connecting transverse pipe 62, and meanwhile, the occurrence of part damage or other potential safety hazards caused by the too rapid pressure release of the air pressure can be avoided;
seventhly, the airflow decompressed at the same time drives the flow guide fan blades 68 to rotate under the flow guide effect of the exhaust pipeline 61 and the connecting transverse pipe 62, and then the airflow is brought into the glass heat exchange tube 696 and the filter tank 693 through the third telescopic air pipe 691, at this time, the flow guide fan blades 68 can guide the airflow as much as possible, and the residue of the airflow on the inner sides of the upper mold 5 and the lower mold 7 is reduced;
eighth, when the air flow enters the inside of the glass heat exchange tube 696, the diversion fan 695 and the ultraviolet lamp post 697 are controlled to work synchronously, so that the diversion fan 695 drives the external cold air flow to the guide air hood 694 after exchanging heat with the glass heat exchange tube 696, which is beneficial to improving the heat recovery effect of the foaming air flow, and meanwhile, the ultraviolet light emitted by the ultraviolet lamp post 697 degrades the air flow inside the glass heat exchange tube 696, and then the air flow enters the inside of the filter box 693 to be filtered, which is beneficial to improving the filtering and purifying effects of the foaming tail gas.
The invention provides a preparation method of a high-efficiency environment-friendly supercritical molded foaming elastomer by improvement, which comprises the steps of providing a pressure relief airflow guide effect for a pressure regulating mechanism 64 through an exhaust pipeline 61, a connecting transverse pipe 62 and the guide action of a guide vane 68, then providing an air pressure regulating effect for the pressure regulating mechanism 64 through an air pressure solenoid valve 65 and a first telescopic air pipe 66, guiding airflow into an air pressure rod 642 through a fixed air pipe 641, pushing a sealing step cover 643, a first sealing washer 644 and a second sealing washer 645 to block the exhaust pipeline 61 according to air pressure, improving the pressure relief effect while improving the sealing effect of the exhaust pipeline 61, driving the airflow to respectively enter the first telescopic air pipe 66 and an electric heating air pipe 673 under the reversing action of a first electromagnetic reversing valve 671 through a micro air pump 672, heating the airflow through the electric heating air pipe 673, then conveying the heated airflow into an upper mold 5 and a lower mold 7 through a second synchronous valve 676 and a second telescopic air pipe 677, electrically controlling the heated airflow through the guide of the second synchronous valve 676 and a second electromagnetic reversing valve 677, or conveying the heated airflow into the upper mold 5 and a lower mold 7 through a third telescopic air pipe 675, and detecting the flow of a heat exchange valve 696, and a heat exchange fluid and a heat exchange valve 697, and a heat exchange fluid detecting and a heat exchange tank 697, and a detecting and a flow of a heat exchange fluid and a heat exchange valve 697, and a heat exchange tank 697, and a detecting fluid.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and the standard parts used in the present invention are all available on the market, the special-shaped parts can be customized according to the description and the accompanying drawings, the specific connection mode of each part adopts the conventional means of bolt and rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. A preparation method of a high-efficiency environment-friendly supercritical die-pressing foaming elastomer is characterized by comprising the following steps: comprises the following steps;
the method comprises the following steps: the lubricant is quantitatively added into the processing equipment (8) through a plurality of groups of metering valves (97) and quick connectors (99), the mixture is stirred through the processing equipment (8), the prepared mixture is detected through components such as a micro liquid pump (91) and a detection assembly (93), and when the data are qualified, the foaming agent, the cross-linking agent and the nucleating agent are sequentially added into the processing equipment (8) in batches and quantitatively to prepare the foaming agent, the cross-linking agent and the nucleating agent.
Step two: the air flow is respectively guided into the first telescopic air pipe (66) and the electric heating air pipe (673) through the flow guiding effect of the micro air pump (672) and the first electromagnetic reversing valve (671), so that the air flow inside the first telescopic air pipe (66) enters the air pressure rod (642) and drives the sealing step cover (643) to move downwards to seal the exhaust pipeline (61), and the upper die (5) and the lower die (7) are preheated through the heating air flow of the electric heating air pipe (673).
Step three: the air pressure solenoid valve (65) is used for controlling the air pressure rod (642) to slowly release pressure, so that the air pressure rod (642) drives components such as a sealing step cover (643) to perform micro-adjustment, and the interior of the upper die (5) and the interior of the lower die (7) are rapidly released pressure.
Step four: then the air flow is brought into the glass heat exchange tube (696) and the filter box (693) through a third telescopic air tube (691), and heat exchange and degradation work are synchronously carried out through a guide fan (695) and an ultraviolet lamp post (697).
In the preparation method of the high-efficiency environment-friendly supercritical die-pressing foaming elastomer, the preparation equipment of the high-efficiency environment-friendly supercritical die-pressing foaming elastomer is also related;
the preparation equipment of the high-efficiency environment-friendly supercritical die-pressing foaming elastomer comprises a working platform (1), a support frame (2) which is arranged at the top of the working platform (1) and plays a supporting role, a lower die (7) which is arranged at the top of the working platform (1) and plays a forming role, processing equipment (8) which is arranged at the rear side of the working platform (1) and a control panel (10) which is arranged at the front end of the working platform (1) and plays a control role, wherein a fixed top frame (3) which plays a supporting role is arranged at the top of the support frame (2), a lower pressing cylinder (4) which plays an adjusting role is arranged at the top of the fixed top frame (3), an upper die (5) which plays a forming role is arranged at the bottom of a piston rod of the lower pressing cylinder (4), and the lower pressing cylinder (4) and the processing equipment (8) are both electrically connected with the control panel (10);
the utility model provides a preparation equipment of high-efficient environmental protection supercritical mould pressing foaming elastomer is still including installing pressure release mechanism (6) on last mould (5) top side and installing limit amount mechanism (9) at processing equipment (8) right-hand member, limit amount mechanism (9) include pipeline installation at processing equipment (8) right-hand member play water conservancy diversion effect miniature liquid pump (91) and install detection case (92) that play the guard action at processing equipment (8) right-hand member, relay control subassembly (96) that play control action are installed to detection case (92) inside wall, miniature liquid pump (91) top pipe mounting has detection subassembly (93) that play the detection action, second back flow (94) and the cable junction that play the backward flow effect are at relay control subassembly (96) of detection subassembly (93) rear side are installed to detection subassembly (93) top, one-way valve (95) that play water conservancy diversion effect are installed at second back flow (94) top, relay control subassembly (96) top connection cable and relay control subassembly (97) fixed connection, quick control panel (97) and relay control subassembly (97) that play water conservancy diversion effect (97), quick control subassembly (97) and quick control panel (93) panel (97) are installed to detection subassembly (93) And (6) electrically connecting.
2. The preparation method of the high-efficiency environment-friendly supercritical molded foamed elastomer according to claim 1, characterized by comprising the following steps: the preparation equipment of the high-efficiency environment-friendly supercritical die-pressing foaming elastomer further comprises a pressure relief mechanism (6), wherein the pressure relief mechanism (6) comprises an exhaust pipeline (61) which is arranged on the top of the upper die (5) through a pipeline and plays a role in diversion, a connecting transverse pipe (62) which plays a role in diversion is arranged on a pipeline at the top of the exhaust pipeline (61), an elastic sealing cylinder (63) which plays a role in sealing, diversion fan blades (68) which are arranged inside the connecting transverse pipe (62) and play a role in diversion and a heat exchange mechanism (69) which is arranged at the rear end of the connecting transverse pipe (62) through a pipeline are arranged in a through groove at the top of the connecting transverse pipe (62), a pressure regulating mechanism (64) is arranged on the inner side of the elastic sealing cylinder (63) and a pneumatic electromagnetic valve (65) which plays a role in diversion is arranged on the top of the elastic sealing cylinder (63) through a pipeline, a first telescopic air pipe (66) which plays a role in diversion is arranged on a pipeline at the top of the pneumatic electromagnetic valve (65), a diversion mechanism (67) is arranged at the top of the first telescopic air pipe (66), and the pneumatic electromagnetic valve (65) is electrically connected with a control panel (10); the pressure regulating mechanism (64) comprises a fixed air pipe (641) which is arranged in the elastic sealing cylinder (63) and plays a supporting role, the bottom of the fixed air pipe (641) is connected with an air inlet pipeline of an air pressure rod (642), a sealing step cover (643) which plays a sealing role is arranged at the bottom of a piston rod of the air pressure rod (642), and a first sealing washer (644) and a second sealing washer (645) which play a sealing role are respectively arranged on the top step surface and the bottom step surface of the sealing step cover (643); the preparation equipment for the efficient environment-friendly supercritical die-pressing foaming elastomer further comprises a flow guide mechanism (67), the flow guide mechanism (67) comprises a first electromagnetic reversing valve (671) which is installed at the top of a first telescopic air pipe (66) and plays a role in reversing, a micro air pump (672) which plays a role in flow guide and an electric heating air pipe (673) which is installed at a connecting pipe at the left end of the first electromagnetic reversing valve (671) and plays a role in heating are installed on a pipeline at the right end of the first electromagnetic reversing valve (671), a first synchronous valve (674) which plays a role in flow division and flow collection is installed at the bottom of the electric heating air pipe (673), a second telescopic air pipe (675) which plays a role in flow guide is installed at an air outlet pipeline at the front end of the first synchronous valve (674), a second synchronous valve (676) which plays a role in flow collection is installed at the front end of the second telescopic air pipe (675), a second electromagnetic reversing valve (677) which plays a role in flow collection is installed on a pipeline at the top of the second synchronous valve (676), and a second electromagnetic reversing valve (677), a first electromagnetic reversing valve (678) and a micro air outlet (677) which plays a role in flow return valve (678) and a control panel (6710) which are electrically connected with the electromagnetic reversing control panel; the utility model provides a preparation equipment of high-efficient environmental protection supercritical mould pressing foaming elastomer still includes heat transfer mechanism (69), heat transfer mechanism (69) include that the pipe mounting is at the third flexible trachea (691) of connecting violently pipe (62) rear side, heat transfer case (692) and the pipe mounting that plays the heat transfer effect are installed at third flexible trachea (691) top to the flexible trachea (691) of third glass heat exchange tube (696) that plays the heat transfer effect, rose box (693) that plays the filtering action are installed to heat transfer case (692) left end, install and play derivation gas hood (694) of water conservancy diversion effect at heat transfer case (692) right-hand member, install water conservancy diversion fan (695) that plays the water conservancy diversion effect in rose box (693) inside groove and install ultraviolet lamp post (697) that play the degradation effect in rose box (693) inside groove, water conservancy diversion fan (695) and ultraviolet lamp post (697) all are connected with control panel (10) electricity.
3. The preparation method of the high-efficiency environment-friendly supercritical molded foamed elastomer according to claim 2, characterized by comprising the following steps: exhaust duct (61) and connect violently pipe (62) inside all be equipped with high temperature resistance soundproof cotton, and exhaust duct (61) and the junction of connecting violently pipe (62) are equipped with the sealing washer.
4. The preparation method of the high-efficiency environment-friendly supercritical molded foamed elastomer according to claim 2, characterized by comprising the following steps: the sealing step cover (643) is in a shape of a round tower with two layers of equal height and wide top and narrow bottom, and the specification and the size of the sealing step cover (643) are the same as those of an air inlet at the bottom side of the exhaust pipeline (61).
5. The preparation method of the high-efficiency environment-friendly supercritical molded foamed elastomer according to claim 2, characterized by comprising the following steps: the glass heat exchange tubes (696) in the heat exchange box (692) are distributed in an annular progressive mode, and the air inlet direction of the glass heat exchange tubes (696) is opposite to the air outlet direction of the flow guide fan (695).
6. The preparation method of the high-efficiency environment-friendly supercritical molded foamed elastomer according to claim 1, characterized by comprising the following steps: four groups of relay electric control assemblies (96) and metering valves (97) are respectively arranged inside the detection assembly (93) and at the right end of the multi-way pipe (98), and the single group of relay electric control assemblies (96) are connected with the metering valves (97) through cables.
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| CN116079977B (en) * | 2023-01-12 | 2023-08-11 | 东莞海瑞斯新材料科技有限公司 | Feeding mechanism of mould pressing foaming machine for supercritical foaming material production |
| CN116922662B (en) * | 2023-07-17 | 2024-08-13 | 浙江佳纬新材料有限公司 | Low-energy-consumption equipment for supercritical foaming production |
| CN117901328B (en) * | 2023-12-28 | 2024-09-13 | 山东美固德新材料有限公司 | Rapid raw material heating device of polyurethane foaming equipment |
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