CN111645915A - Vacuum insulation panel processor with microwave drying device - Google Patents

Vacuum insulation panel processor with microwave drying device Download PDF

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Publication number
CN111645915A
CN111645915A CN202010553425.0A CN202010553425A CN111645915A CN 111645915 A CN111645915 A CN 111645915A CN 202010553425 A CN202010553425 A CN 202010553425A CN 111645915 A CN111645915 A CN 111645915A
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CN
China
Prior art keywords
pressing frame
vacuum
heat
vacuum insulation
microwave drying
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010553425.0A
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Chinese (zh)
Inventor
李伏亮
阚安康
朱文兵
袁野百合
李芝静
曹丹
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Shanghai Maritime University
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Shanghai Maritime University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Maritime University filed Critical Shanghai Maritime University
Priority to CN202010553425.0A priority Critical patent/CN111645915A/en
Publication of CN111645915A publication Critical patent/CN111645915A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B31/00Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B65B31/02Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10Applying or generating heat or pressure or combinations thereof
    • B65B51/14Applying or generating heat or pressure or combinations thereof by reciprocating or oscillating members
    • B65B51/146Closing bags
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B63/00Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00Drying solid materials or objects by processes involving the application of heat
    • F26B3/32Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action
    • F26B3/34Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action by using electrical effects
    • F26B3/347Electromagnetic heating, e.g. induction heating or heating using microwave energy

Abstract

The invention discloses a vacuum insulation panel manufacturing machine with a microwave drying device, and relates to the technical field of vacuum insulation panel manufacturing machinery. The vacuum heat insulation plate has a simple structure, realizes vacuum pumping of the vacuum chamber in a short time, maintains a certain vacuum degree, quickly heats the vacuum heat insulation plate through electromagnetic waves, evaporates water, greatly simplifies the process of removing water by the vacuum heat insulation plate, and improves the manufacturing efficiency of the vacuum heat insulation plate.

Description

Vacuum insulation panel processor with microwave drying device
Technical Field
The invention relates to the technical field of vacuum insulation panel manufacturing machinery, in particular to a vacuum insulation panel manufacturing machine with a microwave drying device.
Background
The vacuum heat insulation plate (VIP plate) is one of vacuum heat insulation materials, is formed by compounding a filling core material and a vacuum protection surface layer, and effectively avoids heat transfer caused by air convection. As a novel efficient heat insulation material, the vacuum heat insulation plate is popular in the fields of building materials, household appliances and aviation in the years because the heat conductivity coefficient is far lower than that of a conventional heat insulation material under the same working condition.
In the conventional production of vacuum insulation panels, pre-drying of the core material is required, and additional drying pretreatment equipment is required. The drying, vacuumizing and heat sealing of the vacuum heat insulation plate core material are carried out step by step, the process flow consumes long time, and the process is complex. The manufacturing efficiency of the vacuum insulation panel cannot be improved, and the production cost is high. Therefore, the process of the vacuum insulation panel can be simplified, and the drying is rapidly completed, which is a problem to be solved in the production process.
Disclosure of Invention
In view of the above technical problems, an object of the present invention is to provide a vacuum insulation panel manufacturing machine with a microwave drying device, which simplifies the process of the vacuum insulation panel and completes the drying production process quickly.
In order to achieve the purpose, the invention provides the following technical scheme:
a vacuum insulation panel manufacturing machine with a microwave drying device comprises a vacuum chamber, a vacuum pump, a microwave emitter, an infrared temperature sensor, a time relay, a heat sealing unit and a heat sealing air chamber, wherein the vacuum chamber comprises a bottom plate and a sealing cover arranged on the bottom plate, the heat sealing unit comprises a heat pressing frame and a heat sealing transformer, the heat pressing frame comprises an upper pressing frame and a lower pressing frame, the lower pressing frame is fixed on the bottom plate, the upper pressing frame is movably erected at the upper end of the lower pressing frame, a placing cavity is formed between the upper pressing frame and the lower pressing frame, the upper pressing frame is arranged in a vertically sliding mode, a heat sealing strip is arranged on one side, close to the lower pressing frame, of the upper pressing frame, the heat sealing strip is electrically connected with the heat sealing transformer, and the heat sealing transformer is electrically connected with the time relay; the bottom plate is fixedly provided with a baffle which is arranged at the upper end of the upper pressing frame and is over against the upper pressing frame, the upper side of the upper pressing frame is fixedly provided with an air bag, and the air bag tightly abuts against the baffle to drive the upper pressing frame to move downwards when being expanded; the microwave emitter is arranged on the sealing cover, the microwave emitter is arranged right opposite to the placing cavity, the infrared temperature sensor is arranged at the center of the sealing cover and is aligned with the vacuum chamber cavity, and the microwave emitter, the infrared temperature sensor and the time relay are electrically connected; the vacuum pump is communicated with the vacuum chamber through a conduit, the heat-seal air chamber is communicated with the air bag through a conduit, the heat-seal air chamber is communicated with the outside, and a communication switch for closing and opening the communication between the heat-seal air chamber and the outside is arranged in the heat-seal air chamber.
The invention is further configured to: the vacuum insulation panel manufacturing machine with the microwave drying device further comprises a control panel, and the control panel is electrically connected with the time relay.
The invention is further configured to: and the upper pressing frame is provided with a return spring between the lower pressing frames, and two ends of the return spring respectively support against the lower surface of the upper pressing frame and the upper surface of the lower pressing frame.
The invention is further configured to: and a digital display vacuum gauge is connected in series between the control panel and the time relay.
The invention is further configured to: and a thermal relay and a protection circuit are connected in series between the vacuum pump and the time relay.
The invention is further configured to: the heat sealing strip is provided with a temperature switch, the temperature switch is electrically connected with the heat sealing transformer, the temperature switch is provided with a plurality of gears, and each gear corresponds to different heat sealing temperatures.
The invention is further configured to: the communicating switch is a two-position three-way electromagnetic valve, and the two-position three-way electromagnetic valve is electrically connected with the time relay.
The invention is further configured to: the vacuum insulation panel manufacturing machine with the microwave drying device further comprises a pre-packaging unit, wherein the pre-packaging unit comprises a core material and a packaging bag, the packaging bag is provided with A, B, C, D four side faces, wherein A, B, C three side faces are sealed, the D side face is not sealed, and a sealing packaging bag body with the thickness of more than 10cm is reserved.
The invention is further configured to: the sealing cover is provided with a sealing strip on one side close to the bottom plate, and the sealing strip seals a gap at the joint of the sealing cover and the bottom plate.
In conclusion, the invention has the following beneficial effects:
1. the vacuum insulation panel to be processed is arranged in the open packaging bag and is placed in the placing cavity, and the sealing cover is closed to form a sealing environment in the vacuum chamber; the vacuum chamber is vacuumized by the vacuum pump, and in the process of vacuumizing, the saturated vapor pressure of atmospheric moisture is reduced along with the reduction of the vacuum pressure in the vacuum chamber, and the boiling point of water is reduced along with the reduction of the saturated vapor pressure of the atmospheric moisture. When the atmospheric pressure is reduced to 650Pa, the boiling temperature of water is about 0 ℃; meanwhile, the vacuum insulation panel is heated by the arranged microwave emitter, microwaves are generated in a heated object, a heat source comes from the inside of the object, the heating is uniform, the moisture in the vacuum insulation panel is completely gasified in a high-vacuum environment, and the moisture in the vacuum insulation panel is completely removed; the microwave heating device heats the vacuum chamber, so that the volume of residual gas is increased, and the vacuum pump can conveniently suck out the gas in the vacuum chamber. The reason of air flow is that pressure difference is generated, the larger the pressure difference is, the stronger the air flow is, the better the suction capacity of the pump is, and the vacuum pumping in the vacuum chamber is realized in a short time; and the microwave heating inertia is small, the rapid control of temperature rise and fall can be realized, and the continuous production and the automatic control are facilitated.
2. Through the control of the control panel, the man-machine interaction between the control panel and the vacuum insulation panel manufacturing machine is realized by workers, and the vacuumizing time, the heating temperature and the time are accurately controlled.
3. Through the reset spring who sets up between last pressure frame and the lower pressure frame, make and go up pressure frame and keep the separation state with the lower pressure frame when not using all the time, simultaneously after the gasbag gassing, can realize fast and go up pressure frame and the separation of lower pressure frame, avoid the heat-seal time overlength, cause the encapsulation bag to damage.
4. The temperature switch of many gears is set up on the heat-seal strip, through the temperature switch of adjusting many gears, realizes the different heat-seal temperatures of heat-seal strip to make vacuum insulation panels processor be suitable for the encapsulation bag of different kinds of materials, help improving the application scope of vacuum insulation panels processor.
5. By utilizing the arranged thermal relay protection circuit, the service life of the whole circuit is prolonged.
6. The sealing connection between the sealing cover and the bottom plate is realized by the arranged sealing strip, and the sealing degree of the vacuum chamber during use is greatly improved.
Drawings
FIG. 1 is a schematic view of the vacuum insulation panel making machine of the present invention;
FIG. 2 is a schematic structural view of the vacuum chamber of the present invention with the upper cover opened;
FIG. 3 is a schematic structural diagram of a control panel according to the present invention;
fig. 4 is a schematic structural diagram of the pre-packaging unit of the present invention.
Reference numerals: 1. a vacuum chamber; 101. a base plate; 102. a sealing cover; 2. a vacuum pump; 3. a microwave emitter; 4. an infrared temperature sensor; 5. a time relay; 6. a hot-pressing frame; 61. an upper pressing frame; 62. pressing down the frame; 7. heat-sealing the transformer; 8. heat-sealing the air chamber; 9. heat sealing the strips; 10. a baffle plate; 11. an air bag; 12. a control panel; 13. a digital display vacuum gauge; 14. a thermal relay; 15. a pre-packaging unit; 16. a core material; 17. and (6) packaging.
Detailed Description
The invention provides a vacuum insulation panel manufacturing machine with a microwave drying device, and in order to make the purpose, technical scheme and effect of the invention clearer and clearer, the invention is further described in detail by referring to the attached drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order, it being understood that the data so used may be interchanged under appropriate circumstances. Furthermore, the terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a system, article, or apparatus that comprises a list of elements is not necessarily limited to those elements explicitly listed, but may include other elements not expressly listed or inherent to such system, article, or apparatus.
Referring to the attached drawings 1-3, a vacuum insulation panel manufacturing machine with a microwave drying device comprises a vacuum chamber 1, a vacuum pump 2, a microwave emitter 3, an infrared temperature sensor 4, a time relay 5, a heat sealing unit and a heat sealing air chamber 8. The bottom end of the vacuum chamber 1 is provided with an installation box body, and the vacuum pump 2, the time relay 5 and the heat-seal air chamber 8 are all arranged in the installation box body. Referring to fig. 4, the vacuum insulation panel manufacturing machine further includes a pre-sealing unit, wherein the pre-sealing unit 15 includes a core material 16 and a sealing bag 17. The packaging bag 17 has A, B, C, D four sides, wherein A, B, C three sides are sealed, D side is not sealed, and more than 10cm of sealing packaging bag 17 body is reserved.
The vacuum chamber 1 includes a bottom plate 101 and a sealing cover 102 provided on the bottom plate 101. The bottom plate 101 may be a rectangular plate structure, and both the bottom plate 101 and the sealing cover 102 are made of metal materials. The sealing cover 102 is hinged to the bottom plate 101 through a shaft pin, and a sealing strip is fixedly bonded to one side of the sealing cover 102 close to the bottom plate 101. Through the arranged sealing strips, the sealing connection between the sealing cover 102 and the bottom plate 101 is realized, and the sealing degree of the vacuum chamber 1 in use is greatly improved.
The heat-sealing unit comprises a hot-pressing frame 6, a heat-sealing transformer 7 and a heat-sealing air chamber 8. The hot pressing frame 6 comprises an upper pressing frame 61 and a lower pressing frame 62, the lower pressing frame 62 is fixed on the bottom plate 101 through bolts, and the upper pressing frame 61 is movably arranged at the upper end of the lower pressing frame 62. The upper and lower press frames 61, 62 are both rectangular plate-like structures. The corner position welded fastening of bottom plate 101 is provided with the support column, and the vertical setting of support column, support column wear to establish and press frame 61, go up and press frame 61 to slide the setting from top to bottom along the vertical direction of support column. The support column is sleeved with a return spring, and two ends of the return spring respectively support against the lower surface of the upper pressing frame 61 and the upper surface of the lower pressing frame 62.
Go up and press and form between frame 61 and the lower pressure frame 62 and place the chamber, go up and press frame 61 to be close to and press frame 62 one side down and be fixed with heat-seal strip 9, heat-seal strip 9 sets up and presses frame 61 its edge one side that is close to last, heat-seal strip 9 and heat-seal transformer 7 electric connection, heat-seal transformer 7 and time relay 5 electric connection.
In order to improve the application range of the vacuum insulation panel manufacturing machine. Be provided with temperature switch on the heat-seal strip 9, temperature switch and heat-seal transformer 7 electric connection, temperature switch sets up a plurality of gears, and each gear corresponds different heat-seal temperatures. The temperature switch with multiple gears is arranged on the heat sealing strip 9, and different heat sealing temperatures of the heat sealing strip 9 are realized by adjusting the temperature switch with multiple gears, so that the vacuum heat insulation plate making machine is suitable for packaging bags 17 made of different materials, and the application range of the vacuum heat insulation plate making machine is favorably improved.
The fixed mount on the bottom plate 101 is provided with a baffle 10, the baffle 10 is arranged at the upper end of the upper pressing frame 61, and the baffle 10 is arranged right opposite to the upper pressing frame 61. The surface of the upper pressing frame 61 is adhered and fixed with the air bag 11, when the air bag 11 is expanded, the baffle 10 is tightly pressed to drive the upper pressing frame 61 to move downwards, so that the heat sealing strip 9 on the upper pressing frame 61 thermally presses the packaging bag 17 to be sealed.
After the sealing process of the envelope 17 is completed, the balloon 11 is deflated by deflation. The upper pressing frame 61 performs a return movement under the action of the self-deformation elastic force of the return spring, that is, the spring drives the upper pressing frame 61 to slide upwards, so that the heat-seal strip 9 is far away from the packaging bag 17. The setting of reset spring makes and goes up pressure frame 61 and lower pressure frame 62 and remain the separation state all the time when not using, simultaneously after gasbag 11 gassing, can realize fast that press frame 61 and lower pressure frame 62 separate, avoids heat-seal time overlength, causes the encapsulation bag 17 to damage.
The microwave emitter 3 is arranged on the sealing cover 102, and the microwave emitter 3 is arranged right opposite to the placing cavity. The microwave emitter 3 is arranged right opposite to the placing cavity, so that the heating speed of the vacuum heat-insulating plate is greatly increased, and the evaporation rate of water in the vacuum heat-insulating plate is increased. The infrared temperature sensor 4 is arranged at the central position of the sealing cover 102 and aligned with the cavity of the vacuum chamber 1 for testing the real-time temperature in the vacuum chamber 1, and the microwave emitter 3, the infrared temperature sensor 4 and the time relay 5 are electrically connected.
The vacuum pump 2 is communicated with the vacuum chamber 1 through a conduit, the heat-seal air chamber 8 is communicated with the air bag 11 through a conduit, the heat-seal air chamber 8 is communicated with the outside, and a communication switch used for closing and opening the communication between the heat-seal air chamber 8 and the outside is arranged in the heat-seal air chamber 8. The switch can be a two-position three-way electromagnetic valve, and the two-position three-way electromagnetic valve is electrically connected with the time relay 5.
A control panel 12 is fixedly arranged in the mounting box body, and the control panel 12 is electrically connected with the time relay 5. A digital display vacuum gauge 13 is connected in series between the control panel 12 and the time relay 5, the digital display vacuum gauge 13 is communicated with the vacuum chamber 1 through a conduit, the digital display vacuum gauge 13 observes the vacuum degree in the vacuum chamber 1 in real time, and converts detected data into an electrical signal to be transmitted to the control panel 12. The control panel 12 can display the vacuum degree in the vacuum chamber 1 in real time, so that the working personnel can conveniently master the vacuum degree condition in the vacuum chamber 1 in real time. The staff realizes man-machine interaction with the vacuum insulation panel making machine by using the control panel 12, and accurately controls the vacuumizing time, the heating temperature and the time.
The thermal relay 14 is arranged between the vacuum pump 2 and the time relay 5 in series, and the thermal relay 14 is arranged to protect the circuit, so that the service life of the whole circuit is prolonged, and the service life of the vacuum insulation panel manufacturing machine is prolonged.
When in use, the vacuum insulation panel to be treated is arranged in the opening packaging bag 17 and is placed in the placing cavity, and the sealing cover 102 is closed to form a sealing environment in the vacuum chamber 1; the vacuum chamber 1 is vacuumized by the vacuum pump 2, and in the process of vacuumizing, the saturated vapor pressure of atmospheric moisture is reduced along with the reduction of the vacuum pressure in the vacuum chamber 1, and the boiling point of water is reduced along with the reduction of the saturated vapor pressure. When the atmospheric pressure is reduced to 650Pa, the boiling temperature of water is about 0 ℃; meanwhile, the vacuum insulation panel is heated by the arranged microwave emitter 3, microwaves are generated in a heated object, a heat source comes from the inside of the object, heating is uniform, and moisture in the vacuum insulation panel is completely gasified in a high-vacuum environment, so that the moisture in the vacuum insulation panel is completely removed; the microwave heating device heats the vacuum chamber 1, so that the volume of residual gas is increased, and the vacuum pump 2 can conveniently suck the gas in the vacuum chamber 1. The reason of the air flow is that pressure difference is generated, the larger the pressure difference is, the stronger the air flow is, the better the pumping capacity of the pump is, and the vacuum pumping in the vacuum chamber 1 is realized in a short time; and the microwave heating inertia is small, the rapid control of temperature rise and fall can be realized, and the continuous production and the automatic control are facilitated.
In summary, the working process of the vacuum insulation panel manufacturing machine with the microwave drying device of the invention is as follows:
vacuumizing: placing the pre-sealing unit in the placing cavity, placing the reserved packaging bag 17 opening under the heat sealing strip 9, and covering the sealing cover 102; starting a vacuum pump 2, and vacuumizing the vacuum chamber 1; the inside of the packaging bag 17 is simultaneously vacuumized, the digital display vacuum gauge 13 displays the vacuum as the pressure of the suction inlet of the vacuum pump 2, and displays the pressure as the pressure of the vacuum chamber 1 according to the principle of a communicator; when the vacuum chamber 1 reaches the rated vacuum degree, the vacuum pump 2 is controlled to stop working through the time relay 5.
And (3) drying: after the sealing cover 102 is covered, the vacuum pump 2 is started, and simultaneously, the microwave generator device in the vacuum chamber 1 is started, and the vacuum insulation plate in the packaging bag 17 is heated through electromagnetic waves; the vacuum chamber 1 is made of a metal material, and electromagnetic waves are refracted in the vacuum chamber 1, thereby contributing to an increase in heating speed. An infrared temperature sensor 4 in the vacuum chamber 1 detects the temperature in the vacuum chamber 1 in real time, when the temperature in the vacuum chamber 1 reaches a set temperature, a time relay 5 controls the microwave heating device to stop working, and when the temperature in the vacuum chamber 1 drops to the set temperature, the time relay 5 controls the microwave heating device to continue working; the temperature in the vacuum chamber 1 is ensured to be constant.
And (3) heat sealing: opening a two-position three-way electromagnetic valve, and utilizing the pressure difference between the vacuum chamber 1 and the heat-seal air chamber 8 to enable the external atmosphere to enter the air bag 11 through an air inlet hole on the heat-seal air chamber 8 so as to inflate and expand the air bag 11, enabling the expanded air bag 11 to be abutted against the baffle 10, and driving the upper pressure frame 61 to move towards the lower pressure frame 62 through the reverse thrust action force of the baffle 10 so as to enable the heat-seal strip 9 on the upper pressure frame 61 to press the opening end on the D side of the packaging bag; simultaneously, the heat-sealing transformer 7 starts to work, and the heat-sealing strip 9 is heated for sealing; and after the set sealing time is reached, the time relay 5 controls the heat-sealing transformer 7 to stop working, and the sealing operation is finished.
Air return: communicating the vacuum chamber 1 with the outside, allowing the atmosphere to enter the vacuum chamber 1, recovering the air pressure in the vacuum chamber 1 to a normal level, recovering the upper pressure frame 61 to move away from the lower pressure frame 62 under the action of the self elastic force of the return spring, and compressing the air bag 11 to recover the air bag 11 to an airless state; and finally, taking out the dried and packaged vacuum insulation panel by a worker.
And (3) circulation: and (4) reloading the pre-sealing unit into the placing cavity, and repeating the processes of vacuumizing, drying, heat sealing and air returning to realize rapid production. The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims (9)

1. The vacuum insulation panel manufacturing machine with the microwave drying device is characterized by comprising a vacuum chamber (1), a vacuum pump (2), a microwave emitter (3), an infrared temperature sensor (4), a time relay (5) and a heat sealing unit, wherein the vacuum chamber (1) comprises a bottom plate (101) and a sealing cover (102) arranged on the bottom plate (101), the heat sealing unit comprises a hot pressing frame (6), a heat sealing transformer (7) and a heat sealing air chamber (8), the hot pressing frame (6) comprises an upper pressing frame (61) and a lower pressing frame (62), the lower pressing frame (62) is fixed on the bottom plate (101), the upper pressing frame (61) is movably erected at the upper end of the lower pressing frame (62), a placing cavity is formed between the upper pressing frame (61) and the lower pressing frame (62), the upper pressing frame (61) is arranged in a vertical sliding mode, a heat sealing strip (9) is arranged on one side, close to the lower pressing frame (62), of the upper pressing frame (61), the heat sealing strip (9) is electrically connected with the heat sealing transformer (7), and the heat sealing transformer (7) is electrically connected with the time relay (5);
a baffle (10) is fixedly arranged on the bottom plate (101), the baffle (10) is arranged at the upper end of the upper pressing frame (61), the baffle (10) is arranged right opposite to the upper pressing frame (61), an air bag (11) is fixedly arranged on the upper side of the upper pressing frame (61), and the air bag (11) tightly abuts against the baffle (10) to drive the upper pressing frame (61) to move downwards when being expanded;
the microwave emitter (3) is arranged on the sealing cover (102), the microwave emitter (3) is arranged right opposite to the placing cavity, the infrared temperature sensor (4) is arranged at the center of the sealing cover (102) and aligned with the cavity of the vacuum chamber (1), and the microwave emitter (3) and the infrared temperature sensor (4) are electrically connected with the time relay (5);
the vacuum pump (2) is communicated with the vacuum chamber (1) through a conduit, the heat-seal air chamber (8) is communicated with the air bag (11) through a conduit, the heat-seal air chamber (8) is communicated with the outside, and a communication switch used for closing and opening the communication between the heat-seal air chamber (8) and the outside is arranged in the heat-seal air chamber (8).
2. The vacuum insulation panel manufacturing machine with the microwave drying device according to claim 1, further comprising a control panel (12), wherein the control panel (12) is electrically connected to the time relay (5).
3. The vacuum insulation panel manufacturing machine with the microwave drying device according to claim 1, wherein a return spring is arranged between the upper pressing frame (61) and the lower pressing frame (62), and two ends of the return spring respectively abut against the lower surface of the upper pressing frame (61) and the upper surface of the lower pressing frame (62).
4. The machine for manufacturing the vacuum insulation panel with the microwave drying device is characterized in that a digital display vacuum gauge (13) is arranged between the control panel (12) and the time relay (5) in series.
5. The machine for manufacturing vacuum insulation panels with microwave drying devices according to claim 1, characterized in that a thermal relay (14) and a protection circuit are arranged in series between the vacuum pump (2) and the time relay (5).
6. The machine for manufacturing the vacuum insulation panels with the microwave drying devices is characterized in that a temperature switch is arranged on the heat sealing strip (9), the temperature switch is electrically connected with the heat sealing transformer (7), the temperature switch is provided with a plurality of gears, and each gear corresponds to different heat sealing temperatures.
7. The machine for manufacturing vacuum insulation panels with microwave drying devices according to claim 1, wherein the communication switch is a two-position three-way electromagnetic valve, and the two-position three-way electromagnetic valve is electrically connected with the time relay (5).
8. The machine for manufacturing a vacuum insulation panel with a microwave drying device according to claim 1, wherein the machine for manufacturing a vacuum insulation panel with a microwave drying device further comprises a pre-packaging unit (15), the pre-packaging unit (15) comprises a core material (16) and a packaging bag (17), the packaging bag (17) has A, B, C, D four sides, wherein A, B, C three sides are sealed, D side is unsealed, and a packaging bag (17) body with a length of more than 10cm is reserved.
9. The vacuum insulation panel manufacturing machine with the microwave drying device is characterized in that a sealing strip is arranged on one side, close to the bottom plate (101), of the sealing cover (102), and the sealing strip seals a gap at the joint of the sealing cover (102) and the bottom plate (101).
CN202010553425.0A 2020-06-17 2020-06-17 Vacuum insulation panel processor with microwave drying device Pending CN111645915A (en)

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CN202010553425.0A CN111645915A (en) 2020-06-17 2020-06-17 Vacuum insulation panel processor with microwave drying device

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CN114013723A (en) * 2021-11-05 2022-02-08 秦亮 Food packaging sealing system and using method thereof

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