WO2023185158A1 - 真空绝热板的加工装置、气凝胶改性聚氨酯泡沫隔热板及其制备方法 - Google Patents

真空绝热板的加工装置、气凝胶改性聚氨酯泡沫隔热板及其制备方法 Download PDF

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Publication number
WO2023185158A1
WO2023185158A1 PCT/CN2022/142998 CN2022142998W WO2023185158A1 WO 2023185158 A1 WO2023185158 A1 WO 2023185158A1 CN 2022142998 W CN2022142998 W CN 2022142998W WO 2023185158 A1 WO2023185158 A1 WO 2023185158A1
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WIPO (PCT)
Prior art keywords
edge
polyurethane foam
plate
conveyor belt
bracket
Prior art date
Application number
PCT/CN2022/142998
Other languages
English (en)
French (fr)
Inventor
王自伟
曾影
Original Assignee
重庆再升科技股份有限公司
重庆纤维研究设计院股份有限公司
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
Priority claimed from CN202210350058.3A external-priority patent/CN114634700B/zh
Priority claimed from CN202210697817.3A external-priority patent/CN115111466A/zh
Application filed by 重庆再升科技股份有限公司, 重庆纤维研究设计院股份有限公司 filed Critical 重庆再升科技股份有限公司
Publication of WO2023185158A1 publication Critical patent/WO2023185158A1/zh

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/22Devices influencing the relative position or the attitude of articles during transit by conveyors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H37/00Article or web delivery apparatus incorporating devices for performing specified auxiliary operations
    • B65H37/04Article or web delivery apparatus incorporating devices for performing specified auxiliary operations for securing together articles or webs, e.g. by adhesive, stitching or stapling
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K13/00Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/06Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00Use of ingredients characterised by shape
    • C08K7/02Fibres or whiskers
    • C08K7/04Fibres or whiskers inorganic
    • C08K7/14Glass
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04Polyurethanes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00Thermal insulation in general
    • F16L59/06Arrangements using an air layer or vacuum
    • F16L59/065Arrangements using an air layer or vacuum using vacuum

Definitions

  • the invention belongs to the technical field of thermal insulation material processing and the technical field of thermal insulation panels, and relates to a processing device for vacuum insulation panels, an airgel modified polyurethane foam insulation panel and a preparation method thereof.
  • Vacuum insulation board is an efficient thermal insulation material that combines the principle of vacuum insulation with traditional insulation materials.
  • Vacuum insulation panels are made of glass fiber as the core material, gas barrier composite film as the packaging bag, and are prepared after vacuum packaging. Because it maximizes the vacuum degree within the board and reduces gas convection to achieve efficient thermal insulation, compared with other materials, the vacuum insulation board has an extremely low thermal conductivity, and has a thinner insulation layer when the thermal insulation technical requirements are the same. With the advantages of small size and light weight, it is suitable for products with high energy saving requirements and has great technical and economic significance.
  • Vacuum insulation board packaging bags are mostly made of aluminum-containing composite materials. After vacuuming, there are undulating packaging bags remaining on both sides of the vacuum insulation board. If the packaging bags on both sides of the vacuum insulation board are folded before being completely straightened, it will cause large gaps between subsequent boards after splicing and form thermal bridges, which will weaken the thermal performance of the insulation layer to a certain extent. performance. Therefore, it is necessary to manually straighten the uneven packaging bag, then fold the excess packaging bag, and finally manually tape the packaging bag before use. This entire process will consume a lot of manpower, have low efficiency and high cost.
  • Polyurethane rigid foam is a polymer polymer made of isocyanate and polyether as the main raw materials. It is mixed with special equipment and foamed on-site through high-pressure spraying with the help of various additives such as foaming agents, catalysts, and flame retardants. things.
  • Polyurethane has good thermal insulation properties. Generally, the thermal conductivity of polyurethane foam building panels on the market is 0.022-0.024W/m.K. It is lightweight, non-corrosive, and easy to cut. Through chemical modification, polyurethane foam building panels can also It has excellent flame retardancy, smoke diffusion resistance and mechanical properties.
  • thermal insulation performance of existing polyurethane foam building panels cannot meet the requirements of certain occasions that require high thermal insulation performance. Due to the needs of winter insulation, summer insulation, and fire retardancy, the construction industry needs buildings with better thermal insulation performance. Plate; Oil or natural gas refineries, chemical plants, automobiles, high-speed trains, ship hulls, aerospace and other fields also need thermal insulation plates with better thermal insulation performance and flame retardant properties.
  • the thermal conductivity of the polyurethane foam is reduced as much as possible without affecting the flame retardant performance, meeting the high requirements for building panels in the above fields.
  • Aerogel is a porous, ultra-lightweight material typically made through a sol-gel process. Aerogel is an excellent thermal insulator, typically containing 98% air, with extremely small pore sizes of only 10-40 nanometers. Aerogels, such as silica aerogels, are hydrophilic because they have a sponge-like nanostructure. The surface area of an ice cube-sized aerogel is equivalent to half a football field, which is enough to absorb a large amount of water. Water molecules; in addition, the surface of the airgel structure is covered with oxygen and hydrogen groups that can absorb water molecules; it can be made hydrophobic and moisture-proof through chemical treatment.
  • the purpose of the present invention is to solve the above-mentioned problems in the existing technology and propose a processing device for vacuum insulation panels that can realize automatic edge pulling, folding and taping, as well as an air condensation panel with low thermal conductivity and long service life.
  • Glue modified polyurethane foam insulation board Glue modified polyurethane foam insulation board.
  • the processing device of vacuum insulation panels includes a first frame, a conveying mechanism provided on the first frame, two edge-drawing mechanisms with mirror images arranged on both sides of the conveying mechanism, two tape machines with mirror images arranged on both sides of the conveying mechanism, and equipment.
  • a folding mechanism is located above the conveying mechanism. The folding mechanism, folding mechanism and tape machine are arranged in sequence along the conveying direction of the conveying mechanism.
  • the conveying mechanism is used to transport the vacuum insulation board forward
  • the edge pulling mechanism is used to straighten the packaging bag on the edge of the vacuum insulation board
  • the folding mechanism is used to fold the packaging bag on the edge of the vacuum insulation board
  • the tape machine is used to fold the tape Attach to vacuum insulation board.
  • the two edge-drawing mechanisms are arranged in a mirror image to ensure the force balance of the vacuum insulation panel when pulling the edge.
  • the two tape machines arranged in a mirror image can apply tape to both sides of the vacuum insulation panel at the same time, replacing the manual operation method in the existing technology and saving manpower. Improve efficiency and reduce costs.
  • the conveying mechanism includes a conveyor belt bracket, two first synchronization wheels respectively provided at both ends of the conveyor belt bracket, a conveyor belt tightened on the two first synchronization wheels, and a conveyor belt for A driving assembly that drives the conveyor belt forward, and the edge-pulling mechanism is arranged on the conveyor belt bracket.
  • the two first synchronizing wheels are arranged in parallel and can rotate around their own central axes.
  • the driving assembly drives one of the first synchronizing wheels to rotate, and drives the other first synchronizing wheel to rotate synchronously through the conveyor belt to realize forward transportation of the conveyor belt.
  • the conveyor belt brackets are multiple and are arranged parallel to each other.
  • Each conveyor belt bracket is provided with first synchronization wheels at both ends, and each conveyor belt bracket is provided with a conveyor belt.
  • Belts, multiple conveyor belts are driven by the same driving assembly;
  • the first frame is provided with a number of first slide rails parallel to each other, the first slide rails are perpendicular to the conveyor belt bracket, and each of the conveyor belt brackets has
  • slide blocks that are equal in number to the first slide rails and arranged in one-to-one correspondence.
  • the slide blocks slide and cooperate with the corresponding first slide rails.
  • the first frame is provided with a slide block for adjusting the same first slide rail. Adjustment mechanism for the distance between upper slide blocks.
  • the adjustment mechanism is used to adjust the distance between the slide blocks on the same first slide rail.
  • the distance between the conveyor belt brackets changes accordingly to achieve the purpose of adjusting the width of the conveyor mechanism. , adapting it to vacuum insulation panels of different widths.
  • the adjustment mechanism includes a number of first screw rods that are equal to the number of the first slide rails and arranged in one-to-one correspondence, and an adjustment component for driving the first screw rods to rotate synchronously and in the same direction, so
  • the first screw rod is parallel to the first slide rail, and at least one slide block provided on the same first slide rail is fixedly connected with an adjusting nut, and the adjusting nut is threaded with the corresponding first screw rod.
  • the adjusting component drives the first screw rod to rotate
  • the adjusting nut moves along the length direction of the first screw rod, thereby driving the slider to slide, thereby adjusting the width of the conveying mechanism.
  • the first screw rod has a first threaded section and a second threaded section.
  • the first threaded section and the second threaded section have opposite directions of rotation and are provided on the same first slide.
  • Adjusting nuts are provided on at least two slide blocks on the rail, and at least one adjusting nut is threaded on each of the first threaded section and the second threaded section.
  • the adjusting nut on the first threaded section moves in the opposite direction to the adjusting nut on the second threaded section, so that the width of the conveying mechanism can be quickly adjusted.
  • the adjustment component includes a meshing tooth provided at one end of the first screw rod, a chain for drivingly connecting two adjacent meshing teeth, and a chain for driving one of the first screw rods.
  • the first handwheel is a screw rod that rotates around its central axis. The meshing teeth and the corresponding first screw rod are coaxially and circumferentially connected.
  • the first screw rod When the first handwheel is turned, the first screw rod is driven to rotate.
  • the first screw rod drives the remaining first screw rods to rotate through the meshing teeth and the chain.
  • Several first screw rods rotate synchronously and in the same direction to ensure that the width of each part of the conveying mechanism changes. Evenly.
  • a downwardly extending pillar is fixedly connected to the middle part of the conveyor belt bracket, and a second synchronizing wheel is provided at the lower end of the pillar.
  • the conveyor belt is composed of a second synchronizing wheel and two The first synchronizing wheel is tight.
  • the second synchronizing wheel is parallel to the first synchronizing wheel. After the conveyor belt is tightened, its structure is triangular, which is beneficial to installing the first screw rod inside the conveyor belt and preventing the first screw rod from interfering with the conveyor belt.
  • the driving assembly includes a first motor fixed on the first frame and a rotating shaft that rotates with the first frame.
  • the rotating shaft is parallel to the first synchronization wheel and is located at one end of the conveyor belt bracket.
  • the first synchronization wheel sliding sleeve is arranged on the rotating shaft and cooperates with the circumferential limit of the rotating shaft.
  • the motor shaft of the first motor is drivingly connected to the rotating shaft.
  • the first motor When the first motor is working, it drives the rotating shaft to rotate around its own center line, thereby driving a plurality of first synchronizing wheels set on it to rotate.
  • the motor shaft of the first motor is parallel to the rotating shaft.
  • a first synchronous pulley is coaxially connected to the motor shaft of the first motor.
  • a second synchronous pulley is coaxially connected to the rotating shaft.
  • the first synchronous pulley and the third synchronous pulley are coaxially connected to the rotating shaft.
  • the two synchronous pulleys are connected through a synchronous belt drive.
  • the edge-drawing mechanism includes an edge-drawing bracket fixed on the conveyor belt bracket located outside and two edge-drawing assemblies distributed mirror-image on the edge-drawing bracket along the up and down direction.
  • the side bracket is also provided with a guide component for guiding the sealing bag at the edge of the vacuum insulation panel to between the two edge components.
  • the edge-drawing assembly includes a motor bracket, a second motor provided on the motor bracket, and a first edge-drawing wheel driven by the second motor.
  • the upper and lower first edge-drawing wheels are arranged in mirror images. The side wheels straighten the packaging bag forward and outward.
  • the conveyor belt drives the vacuum insulation panel to be transported from back to front. In the horizontal direction, the distance from the front end of the first edge puller to the conveyor belt is smaller than the distance from the rear end of the first edge puller to the conveyor belt.
  • the motor bracket is further provided with a second edge puller driven by a second motor, the axis of the second edge puller is parallel to the axis of the first edge puller, and
  • the first side-pulling wheel and the second side-pulling wheel rotate in the same direction, and the two second side-pulling wheels arranged in mirror images up and down straighten the packaging bag forward and outward.
  • the first edge-pulling wheel and the second edge-pulling wheel work together to enhance the edge-pulling effect.
  • the outer layer of the first edge-drawing wheel is a soft layer
  • the outer layer of the second edge-drawing wheel is a soft layer. Since the thickness of the packaging bag is thin, the two first edge-drawing wheels are in contact and the two second edge-drawing wheels are in contact to enhance the straightening effect.
  • the soft layer can be made of rubber or silicone to increase friction with the packaging bag.
  • a pull-edge wheel frame is fixed on the motor bracket, and a first spline shaft and a second spline shaft that are parallel to each other and can rotate around its own central axis are penetrated in the pull-edge wheel frame.
  • the spline shaft and the third spline shaft, the first edging wheel is coaxially fixed on the second spline shaft, the second edging wheel is coaxially fixed on the third spline shaft, the second The spline shaft meshes with the first spline shaft, the third spline shaft meshes with the second spline shaft, and the motor shaft of the second motor is drivingly connected with the first spline shaft.
  • the second motor drives the first spline shaft to rotate, and the first spline shaft drives the second spline shaft and the third spline shaft to rotate simultaneously, causing the first edge puller and the second edge puller to rotate in the same direction.
  • the first edge-pulling wheel is located behind the second edge-pulling wheel, and the rotation speeds of the two edge-pulling wheels are the same, or the rotation speed of the second edge-pulling wheel is greater than the rotation speed of the first edge-pulling wheel.
  • a first pulley is coaxially provided on the motor shaft of the second motor, and a second pulley is coaxially provided on the first spline shaft, and the first pulley and the third pulley are coaxially provided.
  • the two pulleys are connected through a belt drive, and the motor bracket has a tensioning structure for tightening the belt.
  • the tensioning structure is used to tighten the belt to prevent slipping.
  • the motor bracket is provided with a mounting hole
  • the tensioning structure includes a tensioning block slidably connected in the mounting hole, a connecting shaft fixed on the tensioning block, and a connecting shaft rotatably connected to the tensioning block.
  • the tension pulley on the connecting shaft, the belt is tensioned by the tension pulley, the first pulley and the second pulley, the motor bracket is threadedly connected with a first screw, and one end of the first screw rotates with the tension block connect.
  • the axis of the tension pulley is parallel to the axis of the first pulley, and the tension pulley is located between the first pulley and the second pulley.
  • the extending direction of the first screw is perpendicular to the axis of the tension pulley.
  • the connection line is perpendicular to the first screw.
  • the guide assembly includes an upper guide plate and a lower guide plate connected to the edge wheel frame, and the distance between the upper guide plate and the lower guide plate is along the conveying direction from back to front.
  • the front gradually becomes smaller;
  • the upper guide plate is provided with a first relief hole, the first and second edge pullers located above are located in the first relief hole, and the lower guide plate is provided with a third relief hole.
  • Two relief holes, the first edge-pulling wheel and the second edge-pulling wheel located below are located in the second relief hole.
  • the first frame is provided with a second frame
  • the second frame is provided with two fixed side plates arranged in mirror images
  • two fixed side plates are provided between the two fixed side plates.
  • An optical axis is set perpendicular to the conveying direction.
  • the two adjustment plates are located between two fixed side plates.
  • the two fixed side plates are threaded with the optical axis.
  • Parallel second screw rod one end of the second screw rod is provided with a second hand wheel, the second screw rod has a third thread segment and a fourth thread segment, the third thread segment and the fourth thread segment
  • the rotation direction of the sections is opposite, one of the adjustment plates is threadedly connected to the third threaded section, and the other adjustment plate is threadedly connected to the fourth threaded section.
  • Two fixed side plates are arranged in mirror images on both sides of the conveying mechanism, two adjustment plates are arranged in mirror images on both sides of the conveying mechanism, and the folding mechanism is arranged in mirror images on both sides of the conveying mechanism.
  • the two ends of the two optical shafts are respectively fixedly connected to different fixed side plates.
  • the second screw rod rotates with the fixed side plate. Turning the second handwheel drives the second screw rod to rotate, thereby changing the distance between the two adjustment plates. , to achieve the purpose of changing the distance between the two folding mechanisms to adapt to vacuum insulation panels of different widths.
  • the folding mechanism includes an edge profile provided on the outer conveyor belt bracket, an edge plate located above the conveyor belt and fixed relative to the fixed side plate, and an edge plate provided on the fixed side.
  • the folding guide plate on the board, the inner side of the folding guide plate is a hypotenuse, the hypotenuse extends from the conveying direction along the outside of the conveyor belt to the middle of the conveyor belt, that is, the hypotenuse is formed by the edge of the conveyor belt Acute angle, when the packaging bag comes into contact with the hypotenuse, the packaging bag can be folded to the upper part of the vacuum insulation board under the action of the hypotenuse.
  • the rib profile extends along the conveying direction and the height gradually increases from back to front, so The maximum height of the flange profile is higher than the upper surface of the flange guide plate.
  • a first gap is formed between the sidewall plate and the conveyor belt for the packaging bag with a vacuum insulation board inside to pass through, and a second gap for the packaging bag to pass is formed between the sidewall profile and the sidewall plate.
  • a third gap for the sealing bag to pass is formed between the side guide plate and the side baffle plate.
  • the stretched vacuum insulation board is transported between two sidewall profiles via a conveyor belt.
  • the packaging bags on both sides of the vacuum insulation board are gradually folded upward under the action of the sidewall profiles, and then enter the second gap. And gradually contact the bevel edge of the folding guide plate, and the sealing bag is folded inward under the action of the bevel edge.
  • the folding guide plate is provided with a first bracket located in front of the edge plate, and the first bracket is provided with a first pressing wheel that can rotate around its own center line and a first bracket for A third motor drives the first pressing wheel to rotate, and the axis of the first pressing wheel is parallel to the plane where the conveyor belt is located.
  • the packaging bag After the packaging bag is folded inward by the folding mechanism, it is further pressed by the first pressing wheel to ensure the flatness of the folded vacuum insulation panel.
  • upper pressure mounting plates are fixed on the two optical axes.
  • the upper pressure mounting plates are provided with a plurality of pressure wheel assemblies arranged at intervals.
  • the plurality of pressure wheel assemblies are arranged along the conveying direction. Set in sequence.
  • the pressure wheel assembly exerts pressure on the vacuum insulation board, which facilitates the sealing bags on both sides of the vacuum insulation board to fold upward.
  • the pressure wheel assembly includes a second bracket and a second pressure wheel that is rotatably mounted on the second bracket.
  • the second pressure wheel extends perpendicular to the conveying direction of the conveyor belt, so The second bracket is floatingly connected to the upper pressure mounting plate.
  • the upper pressure mounting plate has guide holes arranged in one-to-one correspondence with the guide rods, and the guide rods and The corresponding guide hole is slidably matched.
  • a mounting plate is installed on the outer conveyor belt bracket.
  • a plurality of guide wheels with an axis perpendicular to the upper surface of the conveyor belt is installed on the mounting plate.
  • the plurality of guide wheels are installed along the conveyor belt.
  • the conveying direction of the belt is set in sequence.
  • sliding seats are respectively provided at both ends of the fixed side panels, and the sliding seats are slidably matched with the second slide rails provided on the second frame.
  • the second frame is provided with There are height-adjusting components for adjusting the height of the fixed side panels.
  • the height of the fixed side panels can be adjusted according to the thickness of the vacuum insulation panels.
  • the height-adjusting assembly includes a top plate fixed on the second frame, a second screw that rotates with the top plate, and a third handwheel provided on the second screw.
  • the lower end of the screw rod is threadedly connected to the fixed side plate.
  • the second screw is connected to the top plate with an axial limit.
  • four top plates can be provided, respectively located at the four corners of the second frame.
  • Each top plate is rotatably connected to a second screw, and the lower end of each second screw is All are threaded with fixed side plates.
  • the tape machine includes a mounting frame located above the conveying mechanism, a tape wheel mounted on the mounting frame, and a suction cup for adsorbing the tape.
  • the axis of the tape wheel is along the first frame. Extending in the width direction, the tape led by the tape wheel bypasses the suction cup from back to front and is pasted to the vacuum insulation board.
  • the mounting frame is provided with a cutting assembly for cutting the tape between the suction cup and the vacuum insulation board.
  • the conveying mechanism extends along the length direction of the first frame, the back side of the tape led by the tape wheel bypasses the suction cup from back to front, and the adhesive surface of the tape is pasted on the upper surface of the vacuum insulation board.
  • the vacuum insulation board is transported forward, and the tape is continuously pulled forward.
  • the tape is continuously pasted to the vacuum insulation board, achieving the purpose of automatically pasting the tape.
  • the cutting assembly includes a second connecting rod.
  • One end of the second connecting rod is provided with a blade, and the other end of the second connecting rod is hingedly connected to the mounting frame.
  • the middle part of the second connecting rod is provided with a blade.
  • a driving structure that causes the blade to cut downward.
  • the blade is arranged perpendicularly to the length direction of the second connecting rod, and when the second connecting rod is in a horizontal state, the blade extends vertically downward.
  • the driving structure drives the second link to rotate, causing the blade to move downward.
  • the blade contacts and cuts off the tape located between the suction cup and the vacuum insulation board.
  • the driving structure includes a transverse bracket located above the second connecting rod, a first connecting rod with an upper end hinged to the transverse bracket, and a lifter that moves the mounting frame up and down relative to the transverse bracket, so The rotation center line of the first connecting rod around the transverse bracket is parallel to the axis of the belt pulley, and the lower end of the first connecting rod is hinged with the middle part of the second connecting rod.
  • the lifter drives the mounting frame to move up and down, driving the end of the second link away from the blade to move up and down.
  • the blade moves downward to complete the cutting action.
  • the lifter drives the transverse bracket to move up and down, driving the middle part of the second connecting rod to move up and down.
  • the middle part of the second connecting rod moves downward under the action of the lifter, the blade moves downward to complete the cutting action.
  • a support plate is provided above the conveying mechanism, the lifter includes a cylinder fixed on the support plate, the transverse bracket is fixed on the cylinder, and the mounting bracket is fixed on the cylinder. on the piston rod of the cylinder.
  • the cylinder body is a pneumatic cylinder or a hydraulic cylinder, preferably a pneumatic cylinder.
  • the cylinder is arranged upside down, and the piston rod extends from the lower end of the cylinder. When the piston rod extends, it drives the mounting frame to descend; when the piston rod contracts, it drives the mounting frame to rise.
  • the upper end of the suction cup is hinged on the mounting frame, and the rotation center of the suction cup around the mounting frame is parallel to the axis of the tape wheel, and the suction cup has an adsorption surface that is in contact with the tape, and the There are several suction holes on the adsorption surface.
  • the suction cup is hollow inside, and has an air suction port and an air inlet on the side opposite to the adsorption surface.
  • the air suction port is connected to the external air extraction device.
  • the air inlet can effectively prevent the suction cup from adsorbing the tape too tightly and ensure that the tape can be The vacuum insulation panels move together.
  • the suction cup As the mounting bracket moves up and down, the suction cup has two states: in contact with the vacuum insulation panel or not.
  • the mounting frame is provided with a baffle for preventing the tape from falling off the suction cup, the side of the baffle facing the suction cup is provided with an anti-adhesive coating, and the mounting frame is provided with There is a driving structure for driving the baffle to move under the suction cup when the mounting bracket is raised.
  • the baffle moves to the bottom of the suction cup under the action of the driving structure. At this time, the baffle moves toward the side of the suction cup to the lower side of the suction surface and is opposite to the suction surface. The tape is pressed against the suction surface. and the side of the baffle facing the suction cup to prevent the tape from falling off the suction cup.
  • the bezel disengages from the suction cup.
  • the driving structure includes a third link hinged on the transverse bracket and extending downward, and a fourth link hinged on the lower end of the third link.
  • a first rotating shaft parallel to the belt pulley is fixedly connected to the lower end.
  • the first rotating shaft is rotatably installed in the mounting frame.
  • a fifth connecting rod is fixedly connected to the first rotating shaft.
  • the baffle is connected to the fifth connecting rod. The rod is firmly connected.
  • the center line of rotation of the fourth link around the third link is parallel to the first axis of rotation, and the first axis of rotation is parallel to the belt pulley.
  • the mounting frame is rotatably provided with a second rotating shaft coaxial with the first rotating shaft, and the first rotating shaft and the second rotating shaft are fixedly connected through a connecting rod.
  • a sixth connecting rod is fixedly connected to the two rotating shafts, and the baffle is fixedly connected to the sixth connecting rod.
  • One end of the baffle is fixedly connected to the fifth connecting rod, and the other end is fixedly connected to the sixth connecting rod, which improves the structural stability of the baffle.
  • a bottom plate is fixedly connected below the support plate.
  • the bottom plate is provided with a tape pressing wheel for pressing the tape onto the vacuum insulation board and a tape pressing wheel for always pressing the tape on the vacuum insulation board.
  • Flexible components on vacuum insulation panels are provided.
  • the tape pressing wheel is located in the opening.
  • the suction cup is located within the opening when it is in contact with the vacuum insulation panel.
  • the elastic component keeps the tape pressing wheel pressed against the vacuum insulation board, which improves the bonding effect between the tape and the vacuum insulation board.
  • the position of the tape pressing wheel can be adjusted up and down according to the thickness of the vacuum insulation board, allowing the tape to be adhered to vacuum insulation boards of different thicknesses. Insulation panels.
  • the part of the tape located between the tape pressure wheel and the suction cup is the tensioning part in a tensioned state. When the cutting assembly cuts off the tensioning part, the tensioning part will not give way.
  • the elastic component includes two supports fixed on the bottom plate and an elastic member provided in the supports for pressing down the tape pressing wheel.
  • the opposite sides of the two supports There is a chute extending up and down, and the two ends of the support shaft for supporting the tape pressing wheel respectively extend into the chute, and the lower end of the elastic member acts on the support shaft.
  • the elastic member can be a spring, which is pressed on the support shaft under the action of elastic force, so that the tape pressing wheel is always pressed on the vacuum insulation board.
  • this vacuum insulation panel processing device has the following advantages:
  • the two edge-drawing mechanisms are arranged in a mirror image to ensure that the force of the vacuum insulation panel is balanced when the edge is pulled.
  • the folding mechanism can automatically fold the packaging bag.
  • the two tape machines arranged in a mirror image can apply tape to both sides of the vacuum insulation panel at the same time.
  • the manual operation method in the prior art saves manpower, improves efficiency and reduces costs; at the same time, the distance between the two conveyor belt brackets located on the outside can be adjusted to achieve the purpose of changing the width of the conveyor mechanism so that it can adapt to different widths.
  • Vacuum insulation panels have a wide range of applications.
  • An airgel-modified polyurethane foam heat insulation board includes a polyurethane foam core and at least one heat insulation package.
  • the heat insulation package is arranged inside the polyurethane foam core.
  • the polyurethane foam wraps the heat insulation package.
  • the heat insulation package is in the The volume ratio in the heat insulation board is 10%-90%, preferably 30-70%;
  • the thermal insulation bag includes an outer shell surrounded by a barrier film with a gas barrier function.
  • the outer shell is filled with thermal insulation material and at least one air suction bag.
  • the thermal insulation material includes 1-60wt% aerogel and 40-40% airgel. 99wt% inorganic fiber, preferably 15-60wt% aerogel and 40-85wt% inorganic fiber, or 25-60wt% aerogel and 40-75wt% inorganic fiber;
  • the suction bag is filled with metal oxide, and the metal oxide includes calcium oxide.
  • the setting amount of the suction bag is determined according to the area of the heat insulation bag, and the suction bag is controlled to be ⁇ 5g/ m2 ;
  • the thermal conductivity of the thermal insulation package is 0.001-0.010w/m.k.
  • the barrier film is an aluminum foil composite film, preferably fiberglass cloth/AL/PET/CPE composite film or fiberglass cloth/AL/PET/NY/CPE composite film;
  • the outer body of the suction bag is made of a material with waterproof and breathable properties, preferably high-density polyethylene material, preferably Tyvek DuPont paper; metal oxide is filled in the outer body;
  • the metal oxide also includes copper oxide and cerium oxide; the mass percentage of calcium oxide in the metal oxide is 98-99.5%, and the balance is copper oxide and/or cerium oxide. Copper oxide and cerium oxide Mix in any proportion.
  • the aerogel, inorganic fiber and suction bag are sealed in the outer shell of the thermal insulation bag, and the outer shell is vacuum sealed to improve the thermal insulation effect;
  • the polyurethane foam core is compounded with a decorative surface, and preferably the decorative surface is a film, coated paper, non-woven fabric, aluminum film pressed facing or stainless steel frame.
  • the aerogel is selected from organic aerogel, polyimide aerogel or polyurethane aerogel, preferably silica aerogel;
  • the inorganic fiber is selected from glass fiber, basalt fiber and ceramic fiber. A mixture of one or more of them; preferably the polyurethane foam core contains a flame retardant.
  • the thermal insulation material further includes a black material, and the black material is one or more mixtures of carbon black, iron oxide, and titanium pentoxide;
  • the specific surface area of the black material is 10-360m 2 /g, preferably 70-150m 2 /g;
  • the mass ratio of black material in the thermal insulation material is 0%-10%, preferably 2-8% or 3-5%;
  • the average particle size of black materials is ⁇ 10um.
  • the thermal insulation material also includes other materials selected from expanded perlite, precipitated silica, calcium carbonate, talc or magnesium hydroxide;
  • the heat insulation bag or air suction bag is in the shape of a rectangular parallelepiped, a cube, a sphere or a cylinder.
  • the thickness of the heat insulation board is 0.6cm-10cm, the thickness of the heat insulation package is 0.49-0.98cm, the thermal conductivity is ⁇ 0.015w/m.k, the flame spread index is ⁇ 30, and the smoke index is ⁇ 300.
  • the above-mentioned preparation method of the airgel-modified polyurethane foam insulation board includes the following steps:
  • the polyurethane liquid foam contains a flame retardant
  • the flame retardant is a halogen flame retardant or a non-halogen flame retardant, preferably triester phosphate, diethyl hydroxyethylphosphonate, triphosphate Ethyl ester, aluminum hydroxide, magnesium hydroxide or molybdenum oxide.
  • the preparation method also includes step 5) decorating the heat insulation board.
  • the decoration includes painting the surface with color and compounding a decorative surface on the surface.
  • the decorative surface is a film, coated paper, non-woven fabric, Aluminum film cladding or stainless steel frame.
  • the thermal insulation bag is vacuum sealed to improve the thermal insulation effect. During use, a small amount of gas will slowly penetrate into the thermal insulation bag through the gas barrier film, and the material sealed inside will also slowly release gas over time. When the insulation bag is When the vacuum degree in the heat pack gradually decreases, the air heat conduction effect will increase the thermal conductivity, thus reducing the insulation effect of the heat insulation board.
  • the suction bag can prolong the maintenance time of the vacuum degree of the heat insulation bag and increase the service life of the heat insulation board during actual use.
  • Airgel is a porous, ultra-light material that usually contains 98% air. When used in thermal insulation packages, it blocks all three pathways of heat conduction. The pore diameter in aerogel is small, and the air molecules in the pores have lost the ability to move freely and are in a near-vacuum state, which reduces the heat transfer caused by convection. A large number of pore walls block the transfer of thermal radiation and lengthen the heat conduction path. The use of aerogels in polyurethane foam building panels can therefore further reduce the thermal conductivity of the insulating panels.
  • Inorganic fibers provide a skeleton structure to the insulation package and ensure vacuum.
  • the vacuum environment can reduce heat transfer, thereby achieving a thermal insulation effect.
  • the black material acts as a blackbody radiator and can be mixed with aerogels to act as a radiation absorber to reduce or inhibit the transfer of heat or thermal energy due to radiation.
  • the heat insulation board of the present invention has the advantages of polyurethane foam building boards that are lightweight, non-corrosive and easy to cut; by filling the airgel in a barrier film protective shell and then wrapping it in polyurethane foam, Polyurethane foam panels with encapsulated aerogel exhibit significantly lower thermal conductivity than conventional polyurethane foam panels of similar construction, while also possessing excellent flame retardant properties.
  • the polyurethane foam insulation board of the present invention is more suitable for use in insulation structures and can be used in various insulation applications, such as commercial and residential building isolation structures, and can also be used in oil or natural gas refineries, chemical plants, automobiles, motor vehicles, In the fields of ship hull and aerospace.
  • Figure 1 is a schematic structural diagram of the hemming device provided by the present invention.
  • Figure 2 is a schematic structural diagram of the conveying mechanism provided by the present invention.
  • Figure 3 is a schematic diagram of the installation of two edge-pulling mechanisms provided by the present invention.
  • Figure 4 is a schematic structural diagram of two edge-drawing mechanisms provided by the present invention.
  • Figure 5 is a schematic structural diagram of a single edge-pulling mechanism provided by the present invention.
  • Figure 6 is a partial structural schematic diagram of a single edge-pulling mechanism provided by the present invention.
  • Figure 7 is a schematic structural diagram of a single edge pull component provided by the present invention.
  • Fig. 8 is a schematic structural diagram of the edge pulley frame provided by the present invention.
  • Fig. 9 is a schematic diagram of the internal structure of the edge pulley frame provided by the present invention.
  • Figure 10 is a schematic installation diagram of the folding mechanism provided by the present invention.
  • Figure 11 is a schematic structural diagram of the folding mechanism provided by the present invention.
  • Figure 12 is a partial structural schematic diagram of the folding mechanism provided by the present invention.
  • Figure 13 is a schematic diagram of the installation of the tape machine provided by the present invention.
  • Figure 14 is a schematic structural diagram of the tape machine provided by the present invention.
  • Figure 15 is a side view of the tape machine provided by the present invention.
  • Figure 16 is a partial structural schematic diagram of the tape machine provided by the present invention.
  • Figure 17 is another partial structural diagram of the tape machine provided by the present invention.
  • Figure 18 is a schematic structural diagram of another part of the tape machine provided by the present invention.
  • Figure 19 is a schematic diagram of the installation of the tape pressing wheel provided by the present invention.
  • Figure 20 is a schematic structural diagram of the airgel modified polyurethane foam insulation board of the present invention.
  • Figure 21 is a schematic diagram of the internal structure of the heat insulation package in Figure 20.
  • a. Vacuum insulation board 10. First frame; 11. Conveying mechanism; 111. Conveyor belt bracket; 112. First synchronizing wheel; 113. Conveyor belt; 1141. First slide rail; 1142. Slider; 1143. The first screw rod; 1144. Adjusting nut; 1145. Meshing teeth; 1146. Chain; 1147. The first handwheel; 115. Pillar; 116. The second synchronizing wheel; 1171. The first motor; 1172. Rotating shaft; 12 , Pulling mechanism; 121. Pulling bracket; 122. Pulling component; 1221. Motor bracket; 12211. Mounting hole; 1222. Second motor; 1223. First pulling wheel; 1224.
  • Second pulling wheel; 1225 pull edge wheel frame; 1226, first spline shaft; 1227, second spline shaft; 1228, third spline shaft; 12291, first pulley; 12292, second pulley; 12293, belt; 12294, tension Block; 12295, tensioning wheel; 12296, first screw; 123, guide assembly; 1231, upper guide plate; 1232, lower guide plate; 13, tape machine; 131, mounting frame; 132, tape wheel; 133, suction cup; 1341. Second connecting rod; 1342. Blade; 1343. Transverse bracket; 1344. First connecting rod; 1345. Lifter; 1346. Support plate; 1347. Baffle; 1348. Third connecting rod; 1349.
  • the processing device of vacuum insulation panels as shown in Figure 1 includes a first frame 10, a conveying mechanism 11 provided on the first frame 10, two edge-drawing mechanisms 12 arranged in mirror images on both sides of the conveying mechanism 11, and two mirror images.
  • the tape conveyors 13 arranged on both sides of the conveying mechanism 11 and the folding mechanism 14 located above the conveying mechanism 11 , the edge pulling mechanism 12 , the folding mechanism 14 and the tape conveyor 13 are arranged in sequence along the conveying direction of the conveying mechanism 11 .
  • the conveying mechanism 11 extends along the front and back direction and is used to convey the vacuum insulation panel a forward; the two edge-drawing mechanisms 12 are arranged in mirror images on the left and right sides of the conveying mechanism 11 and are used to straighten the packaging bags on the edge of the vacuum insulation panel a; Two folding mechanisms 14 are arranged in mirror images on the left and right sides of the conveying mechanism 11, and are used to fold the packaging bags on the edge of the vacuum insulation panel a; two tape machines 13 are arranged in mirror images on the left and right sides of the conveying mechanism 11, and are used to affix the tape to On the vacuum insulation panel a.
  • the conveying mechanism 11 includes a conveyor belt bracket 111 extending horizontally along the length direction, two first synchronization wheels 112 respectively provided at both ends of the conveyor belt bracket 111, and two first synchronization wheels 112 tightened on the two first synchronization wheels 112.
  • the conveyor belt 113 and the driving assembly for driving the conveyor belt 113 forward.
  • the axes of the two first synchronization wheels 112 extend horizontally along the left and right directions and can rotate around their own central axis.
  • the driving assembly drives one of the first synchronization wheels 112 to rotate and drives the other first synchronization wheel 112 to rotate synchronously through the conveyor belt 113.
  • the forward conveying of the conveyor belt 113 is realized.
  • FIG. 2 there are three conveyor belt brackets 111 arranged parallel to each other.
  • First synchronizing wheels 112 are provided at both ends of each conveyor belt bracket 111 .
  • a downwardly extending pillar 115 is fixedly connected to the middle of the conveyor belt bracket 111, and a second synchronizing wheel 116 is provided at the lower end of the pillar 115.
  • the axis of the wheel 116 is parallel to the axis of the first synchronizing wheel 112 , and the conveyor belt 113 is tightened by the second synchronizing wheel 116 and the two first synchronizing wheels 112 .
  • the purpose of providing three conveyor belt brackets 111 is to adjust the width of the conveyor mechanism 11.
  • the first frame 10 is provided with three first slide rails 1141 that are parallel to each other and extend horizontally in the left and right directions. , three first slide rails 1141 are respectively located at both ends and the middle of the conveyor belt bracket 111.
  • Each conveyor belt bracket 111 is fixed with three slide blocks 1142 corresponding to the first slide rails 1141.
  • the slide blocks 1142 and The corresponding first slide rail 1141 is slidably matched, and the first frame 10 is also provided with an adjustment mechanism for adjusting the distance between the two outer conveyor belt brackets 111 to adapt to vacuum insulation panels a of different widths.
  • the number of conveyor belt brackets 111 is two, and the adjustment mechanism is used to adjust the distance between the two conveyor belts 113 .
  • the adjustment mechanism includes three first screw rods 1143 that are equal in number to the first slide rails 1141 and arranged in one-to-one correspondence, and an adjustment component for driving the first screw rods 1143 to rotate synchronously and in the same direction.
  • 1143 is parallel to the first slide rail 1141, and the two outer conveyor belt brackets 111 are provided with three adjusting nuts 1144 corresponding to the first screw rods 1143.
  • the adjusting nuts 1144 and the corresponding first screw rods 1143 thread fit.
  • the adjusting assembly drives the first screw rod 1143 to rotate, the adjusting nut 1144 moves along the length direction of the first screw rod 1143, thereby driving the slider 1142 to slide, thereby adjusting the width of the conveying mechanism 11.
  • first screw rods 1143 there may be two first screw rods 1143 .
  • the first screw rod 1143 has a first threaded section and a second threaded section.
  • the first threaded section and the second threaded section have opposite directions of rotation, and one of them is located at
  • the adjusting nut 1144 on the outer conveyor belt bracket 111 is threadedly engaged with the first threaded section
  • the other adjusting nut 1144 on the outer conveyor belt bracket 111 is threadedly engaged with the second threaded section.
  • the adjustment assembly includes a meshing tooth 1145 provided at one end of the first screw rod 1143, a chain 1146 used to drive and connect two adjacent meshing teeth 1145, and a chain 1146 used to drive one of the first screw rods.
  • the first handwheel 1143 rotates around its own central axis, the meshing teeth 1145 and the corresponding first screw rod 1143 are coaxially and circumferentially fixed. Turn the first handwheel 1147 to drive the first screw rod 1143 to rotate.
  • the first screw rod 1143 drives the remaining first screw rods 1143 to rotate through the meshing teeth 1145 and the chain 1146.
  • the three first screw rods 1143 rotate synchronously and in the same direction to ensure that The width changes evenly.
  • the driving assembly includes a first motor 1171 fixed on the first frame 10 and a rotating shaft 1172 that rotates with the first frame 10.
  • the rotating shaft 1172 is parallel to the first synchronization wheel 112 and is located at one end of the conveyor belt bracket 111.
  • the first synchronizing wheel 112 is slidably sleeved on the rotating shaft 1172 and cooperates with the rotating shaft 1172 for circumferential limitation.
  • the motor shaft of the first motor 1171 is drivingly connected to the rotating shaft 1172 .
  • the rotating shaft 1172 rotates, it can drive the first synchronizing wheel 112 located at one end of the conveyor belt bracket 111 to rotate.
  • the first synchronizing wheel 112 provided thereon slides on the rotating shaft 1172 .
  • the first motor 1171 is a three-phase motor.
  • the edge-pulling mechanism 12 includes two edge-edge brackets 121 respectively fixed on the outer conveyor belt bracket 111.
  • Each edge-edge bracket 121 has two edge-edge brackets 121 distributed in mirror images along the up and down direction.
  • the edge assembly 122, each edge bracket 121 is provided with a guide assembly 123 for guiding the packaging bag at the edge of the vacuum insulation panel a to between the two edge assemblies 122.
  • the edge-pulling assembly 122 includes a motor bracket 1221, a second motor 1222 provided on the motor bracket 1221, and a first edge-pulling wheel 1223 driven by the second motor 1222, located at two different upper and lower edges.
  • the two upper and lower first edge-pulling wheels 1223 arranged in mirror images on the edge assembly 122 straighten the packaging bag forward and outward.
  • the second motor 1222 is a speed regulating motor, model 5IK120RGU-CF.
  • the two third edging wheels 1223 are in contact with each other. Pull the side wheel 1223 in the opposite direction.
  • the distance from the axis of the first edge puller 1223 to the conveyor belt 113 gradually increases from front to back along the conveying direction.
  • the angle between the axis of the first edge puller 1223 and the conveying direction of the conveyor belt 113 is ⁇ , and the value range of ⁇ is 30°-60°.
  • the conveyor belt 113 drives the vacuum insulation panel a to be transported from back to front. In the horizontal direction, the distance from the front end of the first edge puller 1223 to the conveyor belt 113 is smaller than the distance from the rear end of the first edge puller 1223 to the conveyor belt 113 .
  • the motor bracket 1221 is also provided with a second edge puller 1224 driven by the second motor 1222.
  • the axis of the second edge puller 1224 is parallel to the axis of the first edge puller 1223.
  • the first rimming wheel 1223 and the second rimming wheel 1224 on the rimming assembly 122 rotate in the same direction.
  • the upper and lower second rimming wheels 1224 located on the upper and lower two different rimming assemblies 122 are arranged in mirror images to seal the bag. Straighten forward and outward.
  • the outer layer of the first edge-drawing wheel 1223 is a soft layer
  • the outer layer of the second edge-drawing wheel 1224 is a soft layer
  • a pull-edge wheel frame 1225 is fixed on the motor bracket 1221, and a first spline shaft 1226 and a second spline shaft 1227 that are parallel to each other and can rotate around its own central axis are penetrated in the pull-edge wheel frame 1225.
  • the third spline shaft 1228, the first edging wheel 1223 is coaxially fixed on the second spline shaft 1227
  • the second edging wheel 1224 is coaxially fixed on the third spline shaft 1228
  • the second spline shaft 1227 It meshes with the first spline shaft 1226
  • the third spline shaft 1228 meshes with the second spline shaft 1227
  • the motor shaft of the second motor 1222 is transmission connected with the first spline shaft 1226.
  • the second motor 1222 drives the first spline shaft 1226 to rotate, and the first spline shaft 1226 drives the second spline shaft 1227 and the third spline shaft 1228 to rotate simultaneously, so that the first edge puller 1223 and the second edge puller 1224 Rotate in the same direction.
  • the first edge-drawing wheel 1223 is located behind the second edge-drawing wheel 1224, and the rotation speed of the two edge-drawing wheels 1224 is the same, or the rotation speed of the second edge-drawing wheel 1224 is greater than the rotation speed of the first edge-drawing wheel 1223.
  • the first pulley 12291 is coaxially provided on the motor shaft of the second motor 1222, and the second pulley 12292 is coaxially provided on the first spline shaft 1226.
  • the first pulley 12291 and the second pulley 12292 pass through the belt. 12293 transmission connection, the tensioning structure on the motor bracket 1221 for tensioning the belt 12293.
  • the tensioning structure is used to tighten the belt 12293 to prevent slipping.
  • the motor bracket 1221 is provided with a mounting hole 12211.
  • the tensioning structure includes a tensioning block 12294 slidably connected in the mounting hole 12211, a connecting shaft fixed on the tensioning block 12294, and a connecting shaft rotatably connected to the connecting shaft.
  • the tension pulley 12295, the belt 12293 is tensioned by the tension pulley 12295, the first pulley 12291 and the second pulley 12292
  • the motor bracket 1221 is threadedly connected with a first screw rod 12296, one end of the first screw rod 12296 rotates with the tension block 12294 connect.
  • the axis of the tension pulley 12295 is parallel to the axis of the first pulley 12291, and the tension pulley 12295 is located between the first pulley 12291 and the second pulley 12292.
  • the extension direction of the first screw 12296 is perpendicular to the axis of the tension pulley 12295.
  • the connection line between the first pulley 12291 and the second pulley 12292 is perpendicular to the first screw 12296.
  • the guide assembly 123 includes an upper guide plate 1231 and a lower guide plate 1232 connected to the edge wheel frame 1225.
  • the distance between the upper guide plate 1231 and the lower guide plate 1232 gradually increases from back to front along the conveying direction. become smaller.
  • the vacuum insulation panel a is transported forward under the action of the conveyor belt 113, and the packaging bags on both sides of it move through the upper guide plate 1231 and the lower guide plate 1232 to between the two edge components 122 distributed in mirror images up and down. The combined action of 122 will straighten the packaging bag.
  • the upper guide plate 1231 is provided with a first relief hole.
  • the first and second edge pullers 1223 and 1224 located above are located in the first relief hole.
  • the lower guide plate 1232 is provided with a second relief hole. , the first edge-pulling wheel 1223 and the second edge-pulling wheel 1224 located below are located in the second relief hole.
  • the first motor 1171 and the second motor 1222 are started, and the vacuum insulation panel a is placed on the conveyor belt 113.
  • the packaging bag of the vacuum insulation panel a is guided by the upper guide plate 1231 and the lower guide plate 1232, it is pulled through the first puller.
  • the side wheels 1223 and the second side pulling wheels 1224 perform side pulling.
  • the first side pulling wheels 1223 and the second side pulling wheels 1224 exert tension on the packaging bags on both sides of the vacuum insulation panel a, and straighten the packaging bags on both sides of the vacuum insulation panel a. .
  • the first frame 10 is provided with a second frame 15.
  • the second frame 15 is provided with two fixed side plates 16 arranged in left and right mirror images.
  • the two fixed side plates 16 There are two optical axes 17 arranged perpendicular to the conveying direction.
  • the optical axes 17 extend horizontally along the left and right directions.
  • the two ends of the two optical axes 17 are respectively fixedly connected to different fixed side plates 16.
  • Two mirror-image adjusting plates 18 are slidably fitted on the optical axis 17.
  • the two adjusting plates 18 are located between the two fixed side plates 16.
  • the two fixed side plates 16 are provided with a second wire parallel to the optical axis 17.
  • the two ends of the rod 19 and the second screw rod 19 rotate with the fixed side plate 16 respectively.
  • One end of the second screw rod 19 is provided with a second hand wheel 20.
  • the second screw rod 19 has a third thread segment and a fourth thread.
  • the folding mechanism 14 has two and The mirror is arranged between the outer conveyor belt bracket 111 and the adjustment plate 18 . Rotate the second handwheel 20 to drive the second screw rod 19 to rotate, thereby changing the distance between the two adjustment plates 18 to achieve the purpose of changing the distance between the two folding mechanisms 14 to adapt to vacuum insulation panels a of different widths.
  • the folding mechanism 14 includes an edge profile 141 provided on the outer edge of the outer conveyor belt bracket 111 , an edge plate 142 located above the conveyor belt 113 and relatively fixed to the fixed side plate 16 and a
  • the folding guide plate 143 is fixed on the side plate 16.
  • the inner edge of the folding guide plate 143 is a hypotenuse.
  • the hypotenuse extends from the outside of the edge profile 141 to the top of the edge plate 142.
  • the edge profile 141 extends along The conveying direction extends and the height gradually increases from back to front, and the maximum height of the edge profile 141 is higher than the upper surface of the hem guide plate 143 .
  • a first gap is formed between the sidewall plate 142 and the conveyor belt 113 for the vacuum insulation panel a to pass, and a second gap is formed between the sidewall profile 141 and the sidewall plate 142 for the sealing bag to pass.
  • a third gap for the sealing bag to pass is formed between the guide plate 143 and the baffle plate 142 .
  • the folding guide plate 143 is provided with a first bracket 144 located in front of the edge plate 142.
  • the first bracket 144 is provided with a first pressing wheel 145 that can rotate around its own center line and is used to drive the first pressing wheel 145.
  • the third motor 146 rotates the pressing wheel 145, and the axis of the first pressing wheel 145 is parallel to the plane where the conveyor belt 113 is located.
  • the first pressing wheel 145 flattens the inwardly folded packaging bag so that the packaging bag is attached to the vacuum insulation board a. After the packaging bag is folded inward by the folding mechanism 14, it is further pressed by the first pressing wheel 145 to ensure the flatness of the folded vacuum insulation panel a.
  • an upper pressure installation plate 21 extending horizontally along the conveying direction is fixed on the two optical axes 17.
  • the upper pressure installation plate 21 is provided with a plurality of pressure wheel assemblies.
  • the plurality of pressure wheel assemblies extend along the conveying direction. Set evenly.
  • the pressure wheel assembly exerts pressure on the vacuum insulation panel a, which is beneficial to the sealing bags on both sides of the vacuum insulation panel a being folded upward.
  • the pressure wheel assembly includes a second bracket 221 and a second pressure wheel 222 that is rotatably mounted on the second bracket 221.
  • the second pressure wheel 222 extends perpendicular to the conveying direction of the conveyor belt 113, that is, in the left and right direction. Extending horizontally, the second bracket 221 is floatingly connected to the upper pressure mounting plate 21 .
  • the upper pressure mounting plate 21 has guide holes arranged in one-to-one correspondence with the guide rods 223.
  • a mounting plate is installed on the outer edge of the outer conveyor belt bracket 111.
  • a plurality of guide wheels 224 evenly distributed along the conveying direction are installed on the mounting plate.
  • the axes of the plurality of guide wheels 224 are along the up and down direction. extend.
  • the two ends of the fixed side plate 16 are respectively provided with sliding seats 23.
  • the sliding seats 23 are slidably matched with the second slide rails 24 provided on the second frame 15.
  • the second frame 15 is provided with a sliding seat 23 for adjusting and fixing.
  • the height adjustment assembly includes a top plate 251 fixed on the second frame 15, a second screw 252 that rotates with the top plate 251, and a third hand wheel 253 provided on the second screw 252.
  • the second screw 252 The lower end is threadedly connected to the fixed side plate 16.
  • the second screw 252 is connected to the top plate 251 for axial limitation.
  • four top plates 251 can be provided, respectively located at the four corners of the second frame 15.
  • Each top plate 251 is rotatably connected with a second screw 252.
  • the lower ends of each second screw rod 252 are threadedly connected to the fixed side plate 16 .
  • the stretched vacuum insulation panel a is transported to between the two sidewall profiles 141 via the conveyor belt 113.
  • the packaging bags on both sides of the vacuum insulation panel a are gradually folded upward under the action of the sidewall profiles 141, and the pressing wheel
  • the second pressure wheel 222 on the assembly exerts pressure on the vacuum insulation panel a, causing the packaging bags on both sides of the vacuum insulation panel a to further fold upward.
  • the packaging bags on both sides of the vacuum insulation panel a are aligned with each other.
  • the bevel edge of the folding guide plate 143 contacts and starts to be folded inward.
  • the package bag of the folded vacuum insulation panel a is further pressed by the first pressing wheel 145 to ensure the sealing of the folded vacuum insulation panel a. smooth.
  • the tape machine 13 is installed on the adjustment plate 18 .
  • the tape machine 13 includes a mounting frame 131 located above the conveying mechanism 11, a tape wheel 132 located on the mounting frame 131, and a suction cup 133 for adsorbing tape.
  • the axis of the tape wheel 132 is along the A frame 10 extends in the width direction, and the tape drawn out by the tape wheel 132 bypasses the suction cup 133 from back to front and is pasted to the vacuum insulation panel a.
  • the mounting bracket 131 is provided with a mounting frame 131 for placing the tape between the suction cup 133 and the vacuum insulation panel a. Cut off components for tape cutting.
  • the conveying mechanism 11 extends along the length direction of the first frame 10 , the back side of the tape led by the tape wheel 132 bypasses the suction cup 133 from back to front, and the adhesive surface of the tape is pasted on the upper surface of the vacuum insulation panel a.
  • the vacuum insulation panel a is transported forward, and the tape is continuously pulled forward.
  • the tape is continuously pasted onto the vacuum insulation panel a, achieving the purpose of automatically pasting the tape.
  • the cutting assembly includes a second link 1341.
  • One end of the second link 1341 is provided with a blade 1342, and the other end of the second link 1341 is hinged with the mounting bracket 131.
  • the middle part of the second link 1341 is provided with a blade 1342 that makes the blade 1342 downward Cutting drive structure.
  • the blade 1342 is arranged perpendicularly to the length direction of the second link 1341. When the second link 1341 is in a horizontal state, the blade 1342 extends vertically downward. When it is necessary to cut off the tape, the driving structure drives the second link 1341 to rotate, causing the blade 1342 to move downward.
  • the blade 1342 contacts and cuts the tape located between the suction cup 133 and the vacuum insulation panel a.
  • the driving structure includes a transverse bracket 1343 located above the second link 1341, a first link 1344 with an upper end hinged to the transverse bracket 1343, and a lifter 1345 that moves the mounting bracket 131 up and down relative to the transverse bracket 1343.
  • the rotation center line of the first link 1344 around the transverse bracket 1343 is parallel to the axis of the belt pulley 132 , and the lower end of the first link 1344 is hingedly connected to the middle part of the second link 1341 .
  • the lifter 1345 drives the mounting bracket 131 to move up and down, driving the end of the second link 1341 away from the blade 1342 to move up and down.
  • a support plate 1346 is installed on the adjustment plate 18, the lifter 1345 includes a cylinder fixed on the support plate 1346, the transverse bracket 1343 is fixed on the cylinder, and the mounting bracket 131 is fixed on the piston rod of the cylinder.
  • the cylinder body is a pneumatic cylinder or a hydraulic cylinder, and this embodiment is a pneumatic cylinder.
  • the cylinder is arranged upside down, and the piston rod extends from the lower end of the cylinder. When the piston rod extends, the mounting bracket 131 is driven to descend; when the piston rod contracts, the mounting bracket 131 is driven to rise.
  • the upper end of the suction cup 133 is hinged on the mounting bracket 131, and the rotation center of the suction cup 133 around the mounting bracket 131 is parallel to the axis of the tape wheel 132.
  • the suction cup 133 has an adsorption surface that is in contact with the tape. There are several suction holes on the surface. Among them, the adsorption surface is a cylindrical surface or an arc surface.
  • the suction cup 133 is hollow inside, and has an air suction port and an air inlet on the side opposite to the adsorption surface.
  • the air suction port is connected to an external air extraction device.
  • the air inlet can effectively prevent the suction cup 133 from adsorbing the tape too tightly and ensure that the tape is It can move together with the vacuum insulation panel a.
  • the suction cup 133 has two states: in contact with the vacuum insulation panel a or not in contact.
  • the mounting bracket 131 is provided with a baffle 1347 to prevent the tape from falling off the suction cup 133.
  • the side of the baffle 1347 facing the suction cup 133 has an anti-adhesive coating.
  • the mounting bracket 131 is provided with a mounting bracket. 131 is used to drive the baffle 1347 to move to the driving structure below the suction cup 133 when it rises.
  • the baffle 1347 moves to the bottom of the suction cup 133 under the action of the driving structure. At this time, the baffle 1347 moves toward the side of the suction cup 133 to the lower side of the suction surface and is arranged opposite to the suction surface. It is pressed between the suction surface and the side of the baffle facing the suction cup to prevent the tape from falling off the suction cup 133 . When the mounting bracket 131 is lowered, the baffle 1347 is separated from the suction cup 133 .
  • the driving structure includes a third link 1348 hinged on the transverse bracket 1343 and extending downward, and a fourth link 1349 hinged on the lower end of the third link 1348.
  • the lower end of the fourth link 1349 is fixed.
  • the first rotating shaft 1350 is rotatably installed in the mounting bracket 131.
  • a fifth connecting rod 1351 is fixedly connected to the first rotating shaft 1350.
  • the baffle 1347 and the fifth connecting rod 1351 are connected to the first rotating shaft 1350. Solid connection.
  • the center line of rotation around the third link 1348 is parallel to the first rotating axis 1350, and the first rotating axis 1350 is parallel to the belt pulley 132.
  • the mounting bracket 131 is rotatably provided with a second rotating shaft 1352 coaxial with the first rotating shaft 1350.
  • the first rotating shaft 1350 and the second rotating shaft 1352 are fixedly connected through a connecting rod 1353.
  • a sixth connecting rod 1354 is fixedly connected to the rotating shaft 1352, and the baffle 1347 is fixedly connected to the sixth connecting rod 1354.
  • One end of the baffle 1347 is fixedly connected to the fifth connecting rod 1351, and the other end is fixedly connected to the sixth connecting rod 1354, which improves the structural stability of the baffle 1347.
  • a bottom plate 136 is fixed below the support plate 1346.
  • the bottom plate 136 is provided with a tape pressing wheel 137 for pressing the tape onto the vacuum insulation panel a and a tape pressing wheel 137 for pressing the tape onto the vacuum insulation panel a.
  • the tape pressing wheel 137 always presses the elastic component on the vacuum insulation panel a.
  • the bottom plate 136 is provided with an opening, and the tape pressing wheel 137 is located in the opening. When the suction cup 133 is in contact with the vacuum insulation panel a, the suction cup 133 is located in the opening.
  • the elastic component enables the tape pressing wheel 137 to always press on the vacuum insulation panel a, which improves the bonding effect between the tape and the vacuum insulation panel a, and the position of the tape pressing wheel 137 can be adjusted up and down according to the thickness of the vacuum insulation panel a, allowing the tape to stick to vacuum insulation panels of different thicknesses a.
  • the part of the tape between the tape pressing wheel 137 and the suction cup 133 is the tensioning part in a tensioned state. When the cutting assembly cuts off the tensioning part, the tensioning part will not give way.
  • the elastic component includes two supports 1381 fixed on the base plate 136 and an elastic member 1382 provided in the supports 1381 for pressing down the tape pressing wheel 137.
  • the chute 1383 extends up and down. Both ends of the support shaft 1384 used to support the tape pressing wheel 137 respectively extend into the chute 1383.
  • the lower end of the elastic member 1382 acts on the support shaft 1384.
  • the elastic member 1382 may be a spring, which presses on the support shaft 1384 under the action of elastic force, so that the tape pressing wheel 137 is always pressed on the vacuum insulation panel a.
  • the processing device of this vacuum insulation panel is controlled by a controller.
  • a displacement sensor is provided below the belt conveyor 13.
  • the control The device outputs a control command to the cylinder, drives the cylinder piston rod to extend, and the cylinder drives the mounting bracket 131 to move downward.
  • the suction cup 133 contacts the packaging bag of the vacuum insulation panel a, causing the tape to stick to the packaging bag of the vacuum insulation panel a.
  • the controller When the displacement sensor detects that the end of the vacuum insulation panel a is separated from the suction cup 133, the controller outputs a control command to the cylinder to drive the cylinder piston rod to shrink, the second connecting rod 1341 rotates, and drives the blade 1342 to rotate toward the vacuum insulation panel a, and at this time the tape is adhered On the vacuum insulation panel a, it is adsorbed by the suction cup 133 at the same time, and the tape is in a tight state. The blade 1342 swings downward to cut off the tape. At the same time, the fourth link 1349 rotates in the opposite direction to the rotation of the second link 1341.
  • the rod 1353, the sixth link 1354 and the fifth link 1351 drive the baffle 1347 to rotate, and then drive the baffle 1347 to move below the suction cup 133, so that the tape is closer to the cylindrical surface of the suction cup 133, so that the suction port of the suction cup 133 will be cut off
  • the tape behind is adsorbed to prevent the tape from falling off.
  • an airgel-modified polyurethane foam heat insulation panel 1 of the present invention includes a polyurethane foam core 3 and at least one heat insulation pack 2.
  • the heat insulation pack 2 is arranged on the polyurethane foam core 3. Inside, the polyurethane foam wraps the heat insulation package 2, and the volume ratio of the heat insulation package 2 in the heat insulation panel 1 is 10%-90%, preferably 30-70%; the heat insulation package 2 consists of a gas barrier material.
  • An outer shell surrounded by a barrier film. The outer shell is filled with thermal insulation material 5 and at least one suction bag 4.
  • the thermal insulation material 5 includes 1-60wt% aerogel and 40-99wt% inorganic fiber, preferably 15 -60wt% aerogel and 40-85wt% inorganic fiber, or 25-60wt% aerogel and 40-75wt% inorganic fiber; the suction bag 4 is filled with metal oxide, the metal oxide includes oxidation Calcium, the setting amount of the suction package 4 is determined according to the area of the heat insulation package 2, and the suction package is controlled to be ⁇ 5g/m2; the thermal conductivity of the heat insulation package 2 is 0.001-0.010w/mk.
  • the barrier film is an aluminum foil composite film, preferably fiberglass cloth/AL/PET/CPE composite film or fiberglass cloth/AL/PET/NY/CPE composite film; the outer body of the suction bag
  • the material is waterproof and breathable, preferably high-density polyethylene material, preferably Tyvek DuPont paper; metal oxide is filled in the outer body;
  • the metal oxide also includes copper oxide and cerium oxide; the mass percentage of calcium oxide in the metal oxide is 98-99.5%, and the balance is copper oxide and/or cerium oxide. Oxide and cerium oxide are mixed in any proportion.
  • the airgel, inorganic fiber and suction bag are sealed in the outer shell of the heat insulation bag, and the outer shell is evacuated and sealed to improve the heat insulation effect; preferably, the polyurethane foam core is compounded with a decorative surface, and preferably the decoration
  • the surface is film, coated paper, non-woven fabric, aluminum film laminated facing or stainless steel frame.
  • the aerogel is selected from organic aerogel, polyimide aerogel or polyurethane aerogel, preferably silica aerogel;
  • the inorganic fiber is selected from one of glass fiber, basalt fiber and ceramic fiber.
  • the thermal insulation material also includes a black material, which is one or more mixtures of carbon black, iron oxide, and titanium pentoxide; the specific surface area of the black material is 10-360 m 2 /g, preferably 70-150m 2 /g; the mass ratio of the black material in the heat insulation material is 0%-10%, preferably 2-8% or 3-5%; the average particle size of the black material is ⁇ 10um.
  • a black material which is one or more mixtures of carbon black, iron oxide, and titanium pentoxide
  • the specific surface area of the black material is 10-360 m 2 /g, preferably 70-150m 2 /g
  • the mass ratio of the black material in the heat insulation material is 0%-10%, preferably 2-8% or 3-5%
  • the average particle size of the black material is ⁇ 10um.
  • the thermal insulation material also includes other materials selected from expanded perlite, precipitated silica, calcium carbonate, talc or magnesium hydroxide;
  • the heat insulation bag or air suction bag is in the shape of a rectangular parallelepiped, a cube, a sphere or a cylinder.
  • the thickness of the heat insulation board of the present invention is 0.6cm-10cm, the thickness of the heat insulation package is 0.49-0.98cm, the thermal conductivity is ⁇ 0.015w/m.k, the flame spread index is ⁇ 30, and the smoke index is ⁇ 300.
  • the preparation method of the above-mentioned airgel modified polyurethane foam insulation board is as follows:
  • the polyurethane liquid foam contains a flame retardant, and the flame retardant is a halogen flame retardant or a non-halogen flame retardant.
  • the flame retardant is preferably triester phosphate, diethyl hydroxyethylphosphonate, triethyl phosphate, aluminum hydroxide, magnesium hydroxide or molybdenum oxide.
  • the decoration includes painting the surface with color and composite decorative surface on the surface.
  • the decorative surface is a film, coated paper, non-woven fabric, aluminum film pressed surface or stainless steel frame.
  • the airgel modified polyurethane foam insulation board of the present invention is prepared according to the above method.
  • the raw materials and proportions are shown in Table 1.
  • the air suction package g/m 2 in Table 1 refers to the air suction package per square meter of insulation package. the quality of.
  • the black material of Examples 1-6 and Comparative Examples 1-4 of the present invention uses carbon black, the specific surface area of the carbon black used is 80m 2 /g of carbon black, and the particle size is 8um; the aerogel uses silica aerogel.
  • the inorganic fiber uses glass fiber wool with an average fiber diameter of 3.5um.
  • the suction bag contains 98% calcium oxide, 1% copper oxide, and 1% cerium oxide.
  • the prepared heat insulation board was prepared into a small board of 300mm ⁇ 300mm for testing to detect product performance.
  • the test results are shown in Table 1:
  • the flame spread index and smoke index are based on ASTM E 84 "Method for Determination of Surface Combustion Properties of Building Materials", and the thermal conductivity is based on ASTM C 518-2017 "Standard Test Method for Determination of Steady-State Heat Transfer Characteristics Using Heat Flow Meter Instrument Method”.
  • the product performance of the obtained heat insulation board is similar to the product performance in Examples 2-6 in Table 1, and the thermal conductivity is between 0.008 and 0.020w/m.k.
  • Comparative Example 4 is compared with Example 5.
  • no suction package was used, while in Example 5, a suction package was used.
  • the two sets of experimental samples have similar thermal conductivity, flame spread index, and smoke index. Aging treatment was performed on the two groups of experimental samples. The aging experimental conditions were as follows: place the samples in an environment of 80°C and 65% humidity for 30 days, ensuring that the temperature fluctuation range is ⁇ 2°C and the humidity fluctuation range is ⁇ 5%.
  • Example 5 containing the air suction package has better aging resistance and longer service life than the sample of Comparative Example 4.

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Abstract

本发明提供了一种真空绝热板的加工装置、气凝胶改性聚氨酯泡沫隔热板及其制备方法。加工装置包括第一框架、设于第一框架上的输送机构、两个镜像布置在输送机构两侧的拉边机构、两个镜像布置在输送机构两侧的胶带机以及设于输送机构上方的折边机构,拉边机构、折边机构和胶带机沿输送机构的输送方向依次设置。本真空绝热板的加工装置替代现有技术中人工作业方式,节省人力,提高效率,降低成本。本发明的气凝胶改性聚氨酯泡沫隔热板,包括聚氨酯泡沫芯和至少一个隔热包,隔热包设置于聚氨酯泡沫芯内部,聚氨酯泡沫包裹着隔热包,隔热包在隔热板中的体积比为10%-90%。本发明的隔热板导热系数低,隔热性能好,使用寿命长。

Description

真空绝热板的加工装置、气凝胶改性聚氨酯泡沫隔热板及其制备方法 技术领域
本发明属于隔热材料加工技术领域以及隔热板材技术领域,涉及一种真空绝热板的加工装置、气凝胶改性聚氨酯泡沫隔热板及其制备方法。
背景技术
真空绝热板是将真空绝热原理和传统保温材料结合起来的一种高效绝热保温材料。真空绝热板以玻璃纤维为芯层材料,以阻气复合薄膜为封装袋,经抽真空封装后制备而成。由于它最大限度的提高了板内真空度,降低气体的对流从而实现高效绝热,同其它材料相比,真空绝热板以其极低的导热系数,在保温技术要求相同时有保温层厚度薄、体积小、重量轻的优点,适用于节能要求较高的产品,有较大技术经济意义。
真空绝热板封装袋的材质大多采用含铝的复合材料,抽真空后真空绝热板的两边残留有凹凸起伏的封装袋。若真空绝热板两边的封装袋未完全拉直就折边使用,将会导致后续板与板之间拼接后具有较大的缝隙,并形成热桥,在一定程度上削弱隔热层的热工性能。因此,需要人工将凹凸起伏的封装袋拉直,然后将多余的封装袋折边,最后对封装袋进行手工贴胶带后再使用。这一整个过程将耗费大量人力,效率低、成本高。
建筑板指用于商业和住宅的隔离结构,通常是玻璃纤维或者聚氨酯泡沫为基材的复合板材。聚氨酯硬质泡沫是以异氰酸酯和聚醚为主要原料,在发泡剂、催化剂、阻燃剂等多种助剂的作用下,通过专用设备混合,经高压喷涂现场发泡而成的高分子聚合物。聚氨酯具有较好的隔热性能,通常,市面上聚氨酯泡沫建筑板的导热系数在0.022-0.024W/m.K,且轻质、无腐蚀性、易于切割,通过化学改性,聚氨酯泡沫建筑板还可以具备优异的阻燃性、防烟扩散性、机械性能。但是,现有的聚氨酯泡沫建筑板的隔热性能不能满足某些对隔热性能要求高的场合,由于冬天保温和夏天隔热以及防火阻燃的需求,建筑行业需要隔热性能更好的建筑板;石油或天然气精炼厂、化工厂、汽车、动车、船体、航空航天等领域也需要隔热性能和阻燃性能更为优异的隔热板材。通过对聚氨酯 泡沫改性,尽可能降低聚氨酯泡沫的导热系数,同时不影响阻燃性能,满足以上领域对建筑板的高要求。
气凝胶是一种多孔、重量超轻的材料,通常通过溶胶-凝胶工艺制成。气凝胶是一种出色的绝热体,通常含有98%的空气,孔径极小,仅10-40纳米。气凝胶,例如二氧化硅气凝胶,本身是亲水的,这是因为其拥有像海绵一样的纳米结构,一块冰块大小气凝胶的表面积相当于半个足球场大,足以吸附很多水分子;另外气凝胶结构表面覆盖着会吸附水分子的氧氢基团;通过化学处理可以使其疏水、防潮。
发明内容
本发明的目的是针对现有的技术存在上述问题,提出了一种可实现自动拉边、折边与贴胶带的真空绝热板的加工装置,以及一种导热系数低、使用寿命长的气凝胶改性聚氨酯泡沫隔热板。
本发明的目的可通过下列技术方案来实现:
真空绝热板的加工装置,包括第一框架、设于第一框架上的输送机构、两个镜像布置在输送机构两侧的拉边机构、两个镜像布置在输送机构两侧的胶带机以及设于输送机构上方的折边机构,所述拉边机构、折边机构和胶带机沿输送机构的输送方向依次设置。
输送机构用于将真空绝热板向前输送,拉边机构用于将真空绝热板边缘的封装袋拉直,折边机构用于将真空绝热板边缘的封装袋翻折,胶带机用于将胶带贴到真空绝热板上。
两个拉边机构镜像布置,拉边时保证真空绝热板受力平衡,两个镜像布置的胶带机能同时对真空绝热板的两侧贴胶带,替代现有技术中人工作业方式,节省人力,提高效率,降低成本。
在上述真空绝热板的加工装置中,所述输送机构包括输送带支架、两个分别设于输送带支架两端的第一同步轮、绷紧在两个第一同步轮上的输送带以及用于驱动输送带向前输送的驱动组件,所述拉边机构设置在输送带支架上。
两个第一同步轮平行设置且可绕自身中轴线转动,驱动组件驱动其中一个第一同步轮转动,通过输送带带动另一第一同步轮同步转动,实现输送带的向前输送。
在上述真空绝热板的加工装置中,所述输送带支架为多个且相互平行设置,每个输送带支架的两端均设有第一同步轮,每个输送带支架上均设有一条输送 带,多条输送带由同一驱动组件驱动;所述第一框架上设有若干相互平行的第一滑轨,所述第一滑轨与输送带支架垂直,每个所述输送带支架上均设有与第一滑轨数量相等且一一对应设置的滑块,所述滑块和与之对应设置的第一滑轨滑动配合,所述第一框架上设有用于调节同一第一滑轨上滑块之间距离的调整机构。
调整机构用于调整同一第一滑轨上滑块之间的距离,当同一第一滑轨上滑块距离发生改变后,输送带支架之间的距离随之改变,达到调节输送机构宽度的目的,使之适应不同宽度的真空绝热板。
在上述真空绝热板的加工装置中,所述调整机构包括若干与第一滑轨数量相等且一一对应设置的第一丝杆以及用于驱动第一丝杆同步同向转动的调整组件,所述第一丝杆与第一滑轨平行,设于同一第一滑轨上的至少一个滑块上固连有调整螺母,所述调整螺母和与之对应的第一丝杆螺纹配合。
调整组件带动第一丝杆转动时,调整螺母沿着第一丝杆的长度方向运动,从而带动滑块滑动,达到调节输送机构宽度的目的。
在上述真空绝热板的加工装置中,所述第一丝杆上具有第一螺纹段和第二螺纹段,所述第一螺纹段与第二螺纹段的旋向相反,设于同一第一滑轨上的至少两个滑块上设有调整螺母,所述第一螺纹段和第二螺纹段上均至少螺纹配合有一个调整螺母。
当第一丝杆转动时,第一螺纹段上的调整螺母与第二螺纹段上调整螺母的运动方向相反,可快速调节输送机构的宽度。
在上述真空绝热板的加工装置中,所述调整组件包括设于第一丝杆一端端部的啮合齿、用于将两相邻设置的啮合齿传动连接的链条以及用于驱动其中一个第一丝杆绕自身中轴线转动的第一手轮,所述啮合齿和与之对应的第一丝杆同轴且周向固连。
转动第一手轮时,带动第一丝杆转动,第一丝杆通过啮合齿和链条带动其余第一丝杆转动,若干第一丝杆同步且同向转动,保证输送机构各个部分的宽度变化均匀。
在上述真空绝热板的加工装置中,所述输送带支架的中部固连有向下延伸的支柱,所述支柱的下端设有第二同步轮,所述输送带由第二同步轮和两个第一同步轮绷紧。
第二同步轮与第一同步轮平行,输送带被绷紧后其结构呈三角形,有利于将第一丝杆安装在输送带的内侧,避免第一丝杆干扰输送带。
在上述真空绝热板的加工装置中,所述驱动组件包括固定在第一框架上的 第一电机以及与第一框架转动配合的转轴,所述转轴与第一同步轮平行,位于输送带支架一端的第一同步轮滑动套设在转轴上且与转轴周向限位配合,所述第一电机的电机轴与转轴传动连接。
第一电机工作时,带动转轴绕自身中线转动,从而带动套设在其上的若干第一同步轮转动。第一电机的电机轴与转轴平行,在第一电机的电机轴上同轴固连有第一同步带轮,在转轴上同轴固连有第二同步带轮,第一同步带轮和第二同步带轮通过同步带传动连接。
在上述真空绝热板的加工装置中,所述拉边机构包括固定在位于外侧的输送带支架上的拉边支架以及两个沿上下方向镜像分布在拉边支架上的拉边组件,所述拉边支架上还设有用于将真空绝热板边缘的封装袋导向至两个拉边组件之间的导向组件。
在上述真空绝热板的加工装置中,所述拉边组件包括电机支架、设于电机支架上的第二电机以及由第二电机驱动的第一拉边轮,上下两个镜像布置的第一拉边轮将封装袋向前向外拉直。
位于上方的第一拉边轮与位于下方的第一拉边轮之间具有小间隙或者相接触,其中小间隙的宽度小于封装袋的厚度,两个第一拉边轮的转向相反。第一拉边轮的轴线与输送带的输送方向之间的夹角为α,α的取值范围为30°-60°。输送带带动真空绝热板由后往前输送,在水平方向上,第一拉边轮前端至输送带的距离小于第一拉边轮后端至输送带的距离。
在上述真空绝热板的加工装置中,所述电机支架上还设有由第二电机驱动的第二拉边轮,所述第二拉边轮的轴线与第一拉边轮的轴线平行,且第一拉边轮与第二拉边轮的转动方向相同,上下两个镜像布置的第二拉边轮将封装袋向前向外拉直。第一拉边轮与第二拉边轮的共同作用,增强拉边效果。
在上述真空绝热板的加工装置中,所述第一拉边轮的外层为软质层,所述第二拉边轮的外层为软质层。由于封装袋的厚度较薄,将两第一拉边轮接触,并将两第二拉边轮接触,增强拉直效果。软质层可以采用橡胶或硅胶制成,增大与封装袋的摩擦力。
在上述真空绝热板的加工装置中,所述电机支架上固定有拉边轮架,所述拉边轮架内穿设有相互平行且可绕自身中轴线转动的第一花键轴、第二花键轴和第三花键轴,所述第一拉边轮同轴固定在第二花键轴上,所述第二拉边轮同轴固定在第三花键轴上,所述第二花键轴与第一花键轴啮合,所述第三花键轴与第二花键轴啮合,所述第二电机的电机轴与第一花键轴传动连接。
第二电机带动第一花键轴转动,第一花键轴带动第二花键轴和第三花键轴 同时转动,使第一拉边轮和第二拉边轮同向转动。第一拉边轮位于第二拉边轮的后方,两者转速相同,或者第二拉边轮的转速大于第一拉边轮的转速。
在上述真空绝热板的加工装置中,所述第二电机的电机轴上同轴设有第一皮带轮,所述第一花键轴上同轴设有第二皮带轮,所述第一皮带轮与第二皮带轮通过皮带传动连接,所述电机支架上用于张紧皮带的张紧结构。
张紧结构用于将皮带张紧,防止打滑。
在上述真空绝热板的加工装置中,所述电机支架上设有安装孔,所述张紧结构包括滑动连接在安装孔内的张紧块、固定在张紧块上的连接轴和转动连接在连接轴上的张紧轮,所述皮带由张紧轮、第一皮带轮和第二皮带轮张紧,所述电机支架上螺纹连接有第一螺杆,所述第一螺杆的一端与张紧块转动连接。
张紧轮的轴线与第一皮带轮的轴线平行,且张紧轮位于第一皮带轮与第二皮带轮之间,第一螺杆的延伸方向与张紧轮的轴线垂直,第一皮带轮与第二皮带轮的连线与第一螺杆垂直。转动第一螺杆时,可带动张紧块在安装孔内水平滑动,从而改变张紧轮的位置,达到张紧皮带的目的。
在上述真空绝热板的加工装置中,所述导向组件包括连接在拉边轮架上的上导向板和下导向板,所述上导向板与下导向板之间的距离沿输送方向由后往前逐渐变小;所述上导向板上设有第一让位孔,位于上方的第一拉边轮和第二拉边轮位于第一让位孔内,所述下导向板上设有第二让位孔,位于下方的第一拉边轮和第二拉边轮位于第二让位孔内。
在上述真空绝热板的加工装置中,所述第一框架上设有第二框架,所述第二框架上设有两块镜像布置的固定侧板,两块固定侧板之间设有两根垂直于输送方向设置的光轴,所述光轴上滑动配合有两块镜像布置的调整板,两块调整板位于两块固定侧板之间,两块固定侧板上穿设有与光轴平行的第二丝杆,所述第二丝杆的一端设有第二手轮,所述第二丝杆上具有第三螺纹段和第四螺纹段,所述第三螺纹段与第四螺纹段的旋向相反,其中一个调整板与第三螺纹段螺纹连接,另一调整板与第四螺纹段螺纹连接,所述折边机构为两个且镜像布置在位于外侧的输送带支架与调整板之间。
两块固定侧板镜像布置在输送机构的两侧,两块调整板镜像布置在输送机构的两侧,折边机构镜像布置在输送机构的两侧。两根光轴的两端分别与不同的固定侧板固连,第二丝杆与固定侧板转动配合,转动第二手轮带动第二丝杆转动,从而改变两块调整板之间的距离,达到改变两折边机构之间距离的目的,使之适应不同宽度的真空绝热板。
在上述真空绝热板的加工装置中,所述折边机构包括设于外侧的输送带支 架上的挡边型材、设于输送带上方的与固定侧板相对固定的挡边板以及设于固定侧板上的折边导向板,所述折边导向板的内侧边为斜边,该斜边由输送方向沿输送带的外侧向输送带的中部延伸,即该斜边与输送带的边缘形成锐角,当封装袋与该斜边接触时,在斜边的作用下可使封装袋翻折到真空绝热板的上部,所述挡边型材沿输送方向延伸且高度由后往前逐渐增高,所述挡边型材的最大高度处高于折边导向板的上表面。
具体的,挡边板与输送带之间形成有供内部设有真空绝热板的封装袋通过的第一间隙,挡边型材与挡边板之间形成有供封装袋通过的第二间隙,折边导向板与挡边板之间形成有供封装袋通过的第三间隙。
工作时,经过拉边后的真空绝热板经输送带输送至两块挡边型材之间,真空绝热板两边的封装袋在挡边型材的作用下逐渐向上翻折,随后经进入第二间隙,并逐渐接触折边导向板的斜边,在斜边的作用下使封装袋向内翻折。
在上述真空绝热板的加工装置中,所述折边导向板上设有位于挡边板前方的第一支架,所述第一支架上设有可绕自身中线转动的第一压轮以及用于驱动第一压轮转动的第三电机,所述第一压轮的轴线与输送带所处的平面平行。
通过折边机构将封装袋向内翻折后,经过第一压轮进一步压边,保证了翻折后的真空绝热板的平整度。
在上述真空绝热板的加工装置中,两根所述光轴上固定有上压安装板,所述上压安装板上设有多个间隔布置的压轮组件,多个压轮组件沿输送方向依次设置。压轮组件对真空绝热板施加压力,有利于真空绝热板两边的封装袋向上翻折。
在上述真空绝热板的加工装置中,所述压轮组件包括第二支架和转动设于第二支架上的第二压轮,所述第二压轮沿垂直于输送带的输送方向延伸,所述第二支架与上压安装板浮动连接。
在上述真空绝热板的加工装置中,所述第二支架上固定有两根相互平行的导向杆,所述上压安装板上具有与导向杆一一对应设置的导向孔,所述导向杆和与之对应的导向孔滑动配合。
在上述真空绝热板的加工装置中,位于外侧的输送带支架上安装有安装板,所述安装板上安装有多个轴线垂直于输送带的上表面设置的导向轮,多个导向轮沿输送带的输送方向依次设置。
在上述真空绝热板的加工装置中,所述固定侧板的两端分别设有滑座,所述滑座与设于第二框架上的第二滑轨滑动配合,所述第二框架上设有用于调节固定侧板上下高度的调高组件。
可根据真空绝热板的厚度调整固定侧板的高度。
在上述真空绝热板的加工装置中,所述调高组件包括固定在第二框架上的顶板、与顶板转动配合的第二螺杆以及设于第二螺杆上的第三手轮,所述第二螺杆的下端与固定侧板螺纹连接。
第二螺杆与顶板轴向限位连接,根据实际情况,可设置四个顶板,分别位于第二框架的四角处,每个顶板上均转动连接有一个第二螺杆,每个第二螺杆的下端均与固定侧板螺纹连接。通过转动第三手轮,可调节固定侧板的高度。
在上述真空绝热板的加工装置中,所述胶带机包括设于输送机构上方的安装架、设于安装架上的胶带轮和用于吸附胶带的吸盘,所述胶带轮的轴线沿第一框架的宽度方向延伸,由胶带轮引出的胶带由后往前绕过吸盘后粘贴到真空绝热板上,所述安装架上设有用于将位于吸盘与真空绝热板之间的胶带切断的切断组件。
输送机构沿第一框架的长度方向延伸,由胶带轮引出的胶带的背面由后往前绕过吸盘,胶带的粘贴面粘贴在真空绝热板的上表面。真空绝热板向前输送,不断牵引胶带向前运动,胶带不断被粘贴到真空绝热板上,达到自动粘贴胶带的目的。
在上述真空绝热板的加工装置中,所述切断组件包括第二连杆,所述第二连杆的一端设有刀片,其另一端与安装架铰接,所述第二连杆的中部设有使刀片向下切割的带动结构。
刀片垂直于第二连杆的长度方向设置,当第二连杆处于水平状态时,刀片垂直向下延伸。当需要切断胶带时,带动结构带动第二连杆旋转,使刀片向下运动,刀片接触并将位于吸盘与真空绝热板之间的胶带切断。
在上述真空绝热板的加工装置中,所述带动结构包括设于第二连杆上方的横向支架、上端与横向支架铰接的第一连杆以及使安装架相对横向支架上下升降的升降器,所述第一连杆绕横向支架的旋转中线与胶带轮的轴线平行,所述第一连杆的下端与第二连杆的中部铰接。
升降器驱动安装架上下升降,带动第二连杆远离刀片的一端上下运动,当第二连杆远离刀片的一端在升降器的作用下向上运动时,刀片向下运动,完成切割动作。或者升降器驱动横向支架上下升降,带动第二连杆的中部上下运动,当第二连杆的中部在升降器的作用下向下运动时,刀片向下运动,完成切割动作。
在上述真空绝热板的加工装置中,所述输送机构的上方设有支撑板,所述升降器包括固定在支撑板上的缸体,所述横向支架固定在缸体上,所述安装架 固定在缸体的活塞杆上。
缸体为气缸或液压缸,优选气缸。缸体倒置设置,活塞杆由缸体的下端伸出。活塞杆伸出时,带动安装架下降;活塞杆收缩时,带动安装架上升。
在上述真空绝热板的加工装置中,所述吸盘的上端铰接在安装架上,且吸盘绕安装架旋转的旋转中心与胶带轮的轴线平行,所述吸盘具有与胶带接触的吸附面,所述吸附面上设有若干吸孔。
吸盘内部中空,与吸附面相对的一侧设有吸气口和进气口,吸气口与外部的抽气装置连接,设置进气口能有效防止吸盘将胶带吸附太紧,保证胶带能随真空绝热板一同运动。
随着安装架上下升降,吸盘具有两种状态:与真空绝热板接触或不接触。
在上述真空绝热板的加工装置中,所述安装架上设有用于防止胶带从吸盘上脱落的挡板,所述挡板朝向吸盘的一侧上具有防粘涂层,所述安装架上设有当安装架上升时用于驱动挡板运动至吸盘下方的驱动结构。
当安装架上升后,在驱动结构的作用下使挡板运动到吸盘的下方,此时挡板朝向吸盘的一侧运动至吸附面的下侧且与吸附面相对设置,胶带被压在吸附面与挡板朝向吸盘的一侧之间,防止胶带从吸盘上脱落。当安装架下降时,挡板脱离吸盘。
在上述真空绝热板的加工装置中,所述驱动结构包括铰接在横向支架上且向下延伸的第三连杆和铰接在第三连杆下端的第四连杆,所述第四连杆的下端固连有与胶带轮平行的第一转轴,所述第一转轴可转动的穿设在安装架内,所述第一转轴上固连有第五连杆,所述挡板与第五连杆固连。
第四连杆绕第三连杆转动的旋转中线与第一转轴平行,第一转轴与胶带轮平行,当安装架上下升降时,安装架的上下运动转化为第五连杆绕第一转轴的摆动,从而控制挡板的运动。
在上述真空绝热板的加工装置中,所述安装架上可转动的穿设有与第一转轴同轴的第二转轴,所述第一转轴与第二转轴通过连接杆固连,所述第二转轴上固连有第六连杆,所述挡板与第六连杆固连。挡板的一端与第五连杆固连,其另一端与第六连杆固连,提高了挡板的结构稳定性。
在上述真空绝热板的加工装置中,所述支撑板的下方固连有底板,所述底板上设有用于将胶带压到真空绝热板上的胶带压轮以及用于使胶带压轮始终压在真空绝热板上的弹性组件。
底板上设有开口,胶带压轮设于开口内。当吸盘与真空绝热板接触时,所述吸盘位于开口内。
弹性组件使胶带压轮始终压在真空绝热板上,提高了胶带与真空绝热板的粘贴效果,而且可根据真空绝热板的厚度上下调节胶带压轮的位置,能使胶带粘贴到不同厚度的真空绝热板。胶带位于胶带压轮与吸盘之间的部分为处于张紧状态的张紧部,切断组件切断张紧部时,张紧部不会出现让位现象。
在上述真空绝热板的加工装置中,所述弹性组件包括两个固定在底板上的支座以及设于支座内用于下压胶带压轮的弹性件,两个所述支座的相对侧上设有上下延伸的滑槽,用于支撑胶带压轮的支撑轴的两端分别伸入滑槽,所述弹性件的下端作用在支撑轴上。弹性件可以是弹簧,在弹力的作用下压在支撑轴上,从而使胶带压轮始终压在真空绝热板上。
与现有技术相比,本真空绝热板的加工装置具有以下优点:
两个拉边机构镜像布置,拉边时保证真空绝热板受力平衡,通过折边机构能自动对封装袋进行折叠,两个镜像布置的胶带机能同时对真空绝热板的两侧贴胶带,替代现有技术中人工作业方式,节省人力,提高效率,降低成本;同时,位于外侧的两个输送带支架之间的距离可以调节,达到改变输送机构宽度的目的,使之能适应不同宽度的真空绝热板,适用范围广。
本发明为了实现其目的,还采用的技术方案是:
一种气凝胶改性聚氨酯泡沫隔热板,包括聚氨酯泡沫芯和至少一个隔热包,所述隔热包设置于聚氨酯泡沫芯内部,聚氨酯泡沫包裹着隔热包,隔热包在所述隔热板中的体积比为10%-90%,优选30-70%;
隔热包包括由具有阻气作用的阻隔薄膜围成的外壳体,所述外壳体内填充有隔热材料和至少一个吸气包,所述隔热材料包括1-60wt%气凝胶和40-99wt%无机纤维,优选15-60wt%气凝胶和40-85wt%无机纤维,或者25-60wt%气凝胶和40-75wt%无机纤维;
所述吸气包内填充有金属氧化物,所述金属氧化物包括氧化钙,吸气包的设置量根据隔热包的面积确定,控制吸气包≤5g/m 2
所述隔热包的导热系数为0.001-0.010w/m.k。
优选地,所述阻隔薄膜为铝箔复合膜,优选玻纤布/AL/PET/CPE复合膜或者玻纤布/AL/PET/NY/CPE复合膜;
所述吸气包的外包体材质为具有防水透气性能的材料,优选高密度聚乙烯材料,优选Tyvek杜邦纸;金属氧化物填充在外包体内;
所述金属氧化物还包括铜氧化物、铈氧化物;金属氧化物中氧化钙的质量百分比为98-99.5%,余量为铜氧化物和/或铈氧化物,铜氧化物、铈氧化物以任意比例混合。
优选地,所述气凝胶、无机纤维和吸气包密封在隔热包的外壳体中,且外壳体内抽真空密封以提高隔热效果;
优选所述聚氨酯泡沫芯外复合有装饰面,优选所述装饰面为膜、涂布纸、无纺布、铝膜压饰面或不锈钢框体。
优选地,所述气凝胶选自有机气凝胶、聚酰亚胺气凝胶或聚氨酯气凝胶,优选二氧化硅气凝胶;所述无机纤维选自玻璃纤维、玄武岩纤维和陶瓷纤维中的一种或多种混合;优选聚氨酯泡沫芯含有阻燃剂。
优选地,所述隔热材料还包括黑色材料,所述黑色材料为炭黑、氧化铁、五氧化三钛中的一种或多种混合物;
黑色材料的比表面积为10-360m 2/g,优选70-150m 2/g;
黑色材料在隔热材料中的质量比为0%-10%,优选2-8%或3-5%;
黑色材料的平均粒度≤10um。
优选地,所述隔热材料还包括其它材料,所述其它材料选自膨胀珍珠岩、沉淀二氧化硅、碳酸钙、滑石粉或氢氧化镁;
所述隔热包或吸气包为长方体形、立方体形、球形或圆柱体形。
所述隔热板的厚度为0.6cm-10cm,隔热包厚度为0.49-0.98cm,导热系数≤0.015w/m.k,火焰蔓延指数≤30,烟雾指数≤300。
上述的气凝胶改性聚氨酯泡沫隔热板的制备方法,包括如下步骤:
1)制备隔热包:将隔热材料和吸气包密封在阻隔薄膜内制得隔热包;
2)将隔热包放置在隔热板制备模具中;
3)将聚氨酯液体泡沫倾倒进隔热板制备模具中,且确保隔热包完全被泡沫材料包裹;
4)让泡沫材料硬化定型形成最终产品。
在上述制备方法中,所述聚氨酯液体泡沫中含有阻燃剂,所述阻燃剂为卤素阻燃剂或非卤素阻燃剂,优选磷酸三酯,羟乙基膦酸二乙酯,磷酸三乙酯、氢氧化铝,氢氧化镁或氧化钼。
优选地,所述制备方法还包括步骤5)对隔热板进行装饰,所述装饰包括在表面涂颜色、在表面复合装饰面,优选所述装饰面为膜、涂布纸、无纺布、铝膜压饰面或不锈钢框体。
隔热包通过抽真空密封以提高隔热效果,在使用过程中,少量气体会透过气体阻隔薄膜慢慢渗入到隔热包内,密封在内部的材料也会随时间缓慢释放气体,当隔热包中真空度逐渐降低时,带来的空气热传导效应会使导热系数增加,从而降低隔热板的隔热效果。吸气包能够延长隔热包真空度的保持时间,在实 际使用过程中增加隔热板的使用寿命。
气凝胶具有多孔、超轻的材料性质,通常含有98%的空气,使用在隔热包中,对热传导的三个途径都有阻隔作用。气凝胶中气孔孔径小,气孔内的空气分子失去了自在活动的能力,处于近似真空状况,减少对流带来的热量传递,大量的气孔壁阻隔了热辐射的传递,加长了热传导路径。因此在聚氨酯泡沫建筑板中使用气凝胶能够进一步降低隔热板的导热系数。
无机纤维是给隔热包提供骨架结构,能够确保真空度。真空的环境能减少热传达,从而实现隔热效果。黑色材料起到黑体辐射器的作用,可以与气凝胶混合,起到辐射吸收剂的作用,以减少或抑制由于辐射引起的热量或热能传递。
本发明的有益效果是:本发明的隔热板兼具聚氨酯泡沫建筑板轻质、无腐蚀性、易于切割的优点;通过将气凝胶填充在阻隔薄膜保护外壳中再包裹在聚氨酯泡沫中,具有封装气凝胶的聚氨酯泡沫板表现出的导热系数远远低于类似构造的传统聚氨酯泡沫板,同时具备了优异的阻燃性能。本发明的聚氨酯泡沫隔热板更适合用于隔热结构,并可用于各种隔热应用,比如商业和住宅的建筑隔离结构,也可用于石油或天然气精炼厂、化工厂、汽车、动车、船体、航空航天领域中。
附图说明
图1是本发明提供的折边装置的结构示意图。
图2是本发明提供的输送机构的结构示意图。
图3是本发明提供的两个拉边机构的安装示意图。
图4是本发明提供的两个拉边机构的结构示意图。
图5是本发明提供的单个拉边机构的结构示意图。
图6是本发明提供的单个拉边机构的部分结构示意图。
图7是本发明提供的单个拉边组件的结构示意图。
图8是本发明提供的拉边轮架的结构示意图。
图9是本发明提供的拉边轮架的内部结构示意图。
图10是本发明提供的折边机构的安装示意图。
图11是本发明提供的折边机构的结构示意图。
图12是本发明提供的折边机构的部分结构示意图。
图13是本发明提供的胶带机的安装示意图。
图14是本发明提供的胶带机的结构示意图。
图15是本发明提供的胶带机的侧视图。
图16是本发明提供的胶带机的部分结构示意图。
图17是本发明提供的胶带机的又一部分结构示意图。
图18是本发明提供的胶带机的还一部分结构示意图。
图19是本发明提供的胶带压轮的安装示意图。
图20是本发明的气凝胶改性聚氨酯泡沫隔热板的结构示意图。
图21是图20中的隔热包的内部结构示意图。
图中,a、真空绝热板;10、第一框架;11、输送机构;111、输送带支架;112、第一同步轮;113、输送带;1141、第一滑轨;1142、滑块;1143、第一丝杆;1144、调整螺母;1145、啮合齿;1146、链条;1147、第一手轮;115、支柱;116、第二同步轮;1171、第一电机;1172、转轴;12、拉边机构;121、拉边支架;122、拉边组件;1221、电机支架;12211、安装孔;1222、第二电机;1223、第一拉边轮;1224、第二拉边轮;1225、拉边轮架;1226、第一花键轴;1227、第二花键轴;1228、第三花键轴;12291、第一皮带轮;12292、第二皮带轮;12293、皮带;12294、张紧块;12295、张紧轮;12296、第一螺杆;123、导向组件;1231、上导向板;1232、下导向板;13、胶带机;131、安装架;132、胶带轮;133、吸盘;1341、第二连杆;1342、刀片;1343、横向支架;1344、第一连杆;1345、升降器;1346、支撑板;1347、挡板;1348、第三连杆;1349、第四连杆;1350、第一转轴;1351、第五连杆;1352、第二转轴;1353、连接杆;1354、第六连杆;136、底板;137、胶带压轮;1381、支座;1382、弹性件;1383、滑槽;1384、支撑轴;14、折边机构;141、挡边型材;142、挡边板;143、折边导向板;144、第一支架;145、第一压轮;146、第三电机;15、第二框架;16、固定侧板;17、光轴;18、调整板;19、第二丝杆;20、第二手轮;21、上压安装板;221、第二支架;222、第二压轮;223、导向杆;224、导向轮;23、滑座;24、第二滑轨;251、顶板;252、第二螺杆;253、第三手轮;1、隔热板;2、隔热包;3、聚氨酯泡沫芯;4、吸气包;5、隔热材料。
具体实施方式
以下是本发明的具体实施例并结合附图,对本发明的技术方案作进一步的描述,但本发明并不限于这些实施例。
如图1所示的真空绝热板的加工装置,包括第一框架10、设于第一框架10 上的输送机构11、两个镜像布置在输送机构11两侧的拉边机构12、两个镜像布置在输送机构11两侧的胶带机13以及设于输送机构11上方的折边机构14,拉边机构12、折边机构14和胶带机13沿输送机构11的输送方向依次设置。
输送机构11沿前后方向延伸,用于将真空绝热板a向前输送;两个拉边机构12镜像布置在输送机构11左右两侧,用于将真空绝热板a边缘的封装袋拉直;两个折边机构14镜像布置在输送机构11左右两侧,用于将真空绝热板a边缘的封装袋翻折;两个胶带机13镜像布置在输送机构11左右两侧,用于将胶带贴到真空绝热板a上。
如图2所述,输送机构11包括沿长度方向水平延伸的输送带支架111、两个分别设于输送带支架111两端的第一同步轮112、绷紧在两个第一同步轮112上的输送带113以及用于驱动输送带113向前输送的驱动组件。两个第一同步轮112的轴线沿左右方向水平延伸,且可绕自身中轴线转动,驱动组件驱动其中一个第一同步轮112转动,通过输送带113带动另一第一同步轮112同步转动,实现输送带113的向前输送。
本实施例中,如图2所示,输送带支架111为三个且相互平行设置,每个输送带支架111的两端均设有第一同步轮112,每个输送带支架111上均设有一条输送带113,多条输送带113由同一驱动组件驱动。为了能将输送带113张紧,如图2和图3所示,在输送带支架111的中部固连有向下延伸的支柱115,支柱115的下端设有第二同步轮116,第二同步轮116的轴线与第一同步轮112的轴线平行,输送带113由第二同步轮116和两个第一同步轮112绷紧。
设置三个输送带支架111的目的是为了调整输送机构11的宽度,为了方便调节,如图2所示,第一框架10上设有三条相互平行且沿左右方向水平延伸的第一滑轨1141,三条第一滑轨1141分别位于输送带支架111的两端及中部处,每个输送带支架111上均固定有三个与第一滑轨1141一一对应设置的滑块1142,滑块1142和与之对应设置的第一滑轨1141滑动配合,第一框架10上还设有用于调节位于外侧的两输送带支架111之间距离的调整机构,使之适应不同宽度的真空绝热板a。
在一些其他实施例中,输送带支架111的数量为两个,调整机构则用于调节两个输送带113之间的距离。
如图2所示,调整机构包括三条与第一滑轨1141数量相等且一一对应设置的第一丝杆1143以及用于驱动第一丝杆1143同步同向转动的调整组件,第一丝杆1143与第一滑轨1141平行,位于外侧的两个输送带支架111上均设有三个与第一丝杆1143一一对应设置的调整螺母1144,调整螺母1144和与之对应 的第一丝杆1143螺纹配合。
调整组件带动第一丝杆1143转动时,调整螺母1144沿着第一丝杆1143的长度方向运动,从而带动滑块1142滑动,达到调节输送机构11宽度的目的。
在一些其他实施例中,第一丝杆1143可以为两个。
为了保证位于外侧的两个输送带支架111的运动方向相反,第一丝杆1143上具有第一螺纹段和第二螺纹段,第一螺纹段与第二螺纹段的旋向相反,其中一个位于外侧的输送带支架111上的调整螺母1144与第一螺纹段螺纹配合,另一个位于外侧的输送带支架111上的调整螺母1144与第二螺纹段螺纹配合。当第一丝杆1143转动时,第一螺纹段上的调整螺母1144与第二螺纹段上调整螺母1144的运动方向相反,可快速调节输送机构11的宽度。
如图2所示,调整组件包括设于第一丝杆1143一端端部的啮合齿1145、用于将两相邻设置的啮合齿1145传动连接的链条1146以及用于驱动其中一个第一丝杆1143绕自身中轴线转动的第一手轮1147,啮合齿1145和与之对应的第一丝杆1143同轴且周向固连。转动第一手轮1147,带动第一丝杆1143转动,第一丝杆1143通过啮合齿1145和链条1146带动其余第一丝杆1143转动,三个第一丝杆1143同步且同向转动,保证宽度变化均匀。
如图2所示,驱动组件包括固定在第一框架10上的第一电机1171以及与第一框架10转动配合的转轴1172,转轴1172与第一同步轮112平行,位于输送带支架111一端的第一同步轮112滑动套设在转轴1172上且与转轴1172周向限位配合,第一电机1171的电机轴与转轴1172传动连接。当转轴1172转动时,能带动位于输送带支架111一端的第一同步轮112转动。当位于外侧的两个输送带支架111之间的位置发生改变时,设于其上的第一同步轮112在转轴1172上滑动。其中,第一电机1171为三相电机。
如图3和图4所示,拉边机构12包括两个分别固定在位于外侧的输送带支架111上的拉边支架121,每个拉边支架121上均具有两个沿上下方向镜像分布的拉边组件122,每个拉边支架121上均设有用于将真空绝热板a边缘的封装袋导向至两个拉边组件122之间的导向组件123。
如图5和图6所示,拉边组件122包括电机支架1221、设于电机支架1221上的第二电机1222以及由第二电机1222驱动的第一拉边轮1223,位于上下两个不同拉边组件122上的上下两个镜像布置的第一拉边轮1223将封装袋向前向外拉直。
第二电机1222为调速电机,型号5IK120RGU-CF。
位于上方的第一拉边轮1223与位于下方的第一拉边轮1223之间具有小间 隙或者相接触,本实施例中为相接触,其中小间隙的宽度小于封装袋的厚度,两个第一拉边轮1223的转向相反。
第一拉边轮1223的轴线至输送带113的距离沿输送方向由前往后逐渐增大。第一拉边轮1223的轴线与输送带113的输送方向之间的夹角为α,α的取值范围为30°-60°。输送带113带动真空绝热板a由后往前输送,在水平方向上,第一拉边轮1223前端至输送带113的距离小于第一拉边轮1223后端至输送带113的距离。
如图6和图8所示,电机支架1221上还设有由第二电机1222驱动的第二拉边轮1224,第二拉边轮1224的轴线与第一拉边轮1223的轴线平行,同一拉边组件122上的第一拉边轮1223与第二拉边轮1224的转动方向相同,位于上下两个不同拉边组件122上的上下两个镜像布置的第二拉边轮1224将封装袋向前向外拉直。
本实施例中,第一拉边轮1223的外层为软质层,第二拉边轮1224的外层为软质层。
如图9所示,电机支架1221上固定有拉边轮架1225,拉边轮架1225内穿设有相互平行且可绕自身中轴线转动的第一花键轴1226、第二花键轴1227和第三花键轴1228,第一拉边轮1223同轴固定在第二花键轴1227上,第二拉边轮1224同轴固定在第三花键轴1228上,第二花键轴1227与第一花键轴1226啮合,第三花键轴1228与第二花键轴1227啮合,第二电机1222的电机轴与第一花键轴1226传动连接。第二电机1222带动第一花键轴1226转动,第一花键轴1226带动第二花键轴1227和第三花键轴1228同时转动,使第一拉边轮1223和第二拉边轮1224同向转动。第一拉边轮1223位于第二拉边轮1224的后方,两者转速相同,或者第二拉边轮1224的转速大于第一拉边轮1223的转速。
如图7所示,第二电机1222的电机轴上同轴设有第一皮带轮12291,第一花键轴1226上同轴设有第二皮带轮12292,第一皮带轮12291与第二皮带轮12292通过皮带12293传动连接,电机支架1221上用于张紧皮带12293的张紧结构。张紧结构用于将皮带12293张紧,防止打滑。
如图7所示,电机支架1221上设有安装孔12211,张紧结构包括滑动连接在安装孔12211内的张紧块12294、固定在张紧块12294上的连接轴和转动连接在连接轴上的张紧轮12295,皮带12293由张紧轮12295、第一皮带轮12291和第二皮带轮12292张紧,电机支架1221上螺纹连接有第一螺杆12296,第一螺杆12296的一端与张紧块12294转动连接。
其中,张紧轮12295的轴线与第一皮带轮12291的轴线平行,且张紧轮12295 位于第一皮带轮12291与第二皮带轮12292之间,第一螺杆12296的延伸方向与张紧轮12295的轴线垂直,第一皮带轮12291与第二皮带轮12292的连线与第一螺杆12296垂直。转动第一螺杆12296时,可带动张紧块12294在安装孔12211内水平滑动,从而改变张紧轮12295的位置,达到张紧皮带12293的目的。
如图5所示,导向组件123包括连接在拉边轮架1225上的上导向板1231和下导向板1232,上导向板1231与下导向板1232之间的距离沿输送方向由后往前逐渐变小。真空绝热板a在输送带113的作用下向前输送,其两侧的封装袋经过上导向板1231和下导向板1232运动至两个上下镜像分布的拉边组件122之间,通过拉边组件122的共同作用将封装袋拉直。
在上导向板1231上设有第一让位孔,位于上方的第一拉边轮1223和第二拉边轮1224位于第一让位孔内,下导向板1232上设有第二让位孔,位于下方的第一拉边轮1223和第二拉边轮1224位于第二让位孔内。
工作时,启动第一电机1171和第二电机1222,将真空绝热板a放置在输送带113上,真空绝热板a的封装袋经上导向板1231和下导向板1232导向后,经第一拉边轮1223、第二拉边轮1224进行拉边,第一拉边轮1223、第二拉边轮1224对真空绝热板a两边的封装袋施加张力,将真空绝热板a两边的封装袋拉直。
如图1和10所示,第一框架10上设有第二框架15,如图11所示,第二框架15上设有两块左右镜像布置的固定侧板16,两块固定侧板16之间设有两根垂直于输送方向设置的光轴17,光轴17沿左右方向水平延伸,两根光轴17的两端分别与不同的固定侧板16固连。
光轴17上滑动配合有两块镜像布置的调整板18,两块调整板18位于两块固定侧板16之间,两块固定侧板16上穿设有与光轴17平行的第二丝杆19,第二丝杆19的两端分别与固定侧板16转动配合,第二丝杆19的一端设有第二手轮20,第二丝杆19上具有第三螺纹段和第四螺纹段,第三螺纹段与第四螺纹段的旋向相反,其中一个调整板18与第三螺纹段螺纹连接,另一调整板18与第四螺纹段螺纹连接,折边机构14为两个且镜像布置在位于外侧的输送带支架111与调整板18之间。转动第二手轮20带动第二丝杆19转动,从而改变两块调整板18之间的距离,达到改变两折边机构14之间距离的目的,使之适应不同宽度的真空绝热板a。
如图12所示,折边机构14包括设于外侧的输送带支架111外侧边上的挡边型材141、设于输送带113上方的与固定侧板16相对固定的挡边板142以及设于固定侧板16上的折边导向板143,折边导向板143的内侧边为斜边,该斜 边由挡边型材141的外侧延伸至挡边板142的上方,挡边型材141沿输送方向延伸且高度由后往前逐渐增高,挡边型材141的最大高度处高于折边导向板143的上表面。具体的,挡边板142与输送带113之间形成有供真空绝热板a通过的第一间隙,挡边型材141与挡边板142之间形成有供封装袋通过的第二间隙,折边导向板143与挡边板142之间形成有供封装袋通过的第三间隙。
如图12所示,折边导向板143上设有位于挡边板142前方的第一支架144,第一支架144上设有可绕自身中线转动的第一压轮145以及用于驱动第一压轮145转动的第三电机146,第一压轮145的轴线与输送带113所处的平面平行。第一压轮145将向内翻折后的封装袋压平,使封装袋贴合到真空绝热板a上。通过折边机构14将封装袋向内翻折后,经过第一压轮145进一步压边,保证了翻折后的真空绝热板a的平整度。
如图11所示,两根所述光轴17上固定有沿输送方向水平延伸的上压安装板21,上压安装板21上设有多个压轮组件,多个压轮组件沿输送方向均匀设置。压轮组件对真空绝热板a施加压力,有利于真空绝热板a两边的封装袋向上翻折。
如图11所示,压轮组件包括第二支架221和转动设于第二支架221上的第二压轮222,第二压轮222沿垂直于输送带113的输送方向延伸,即沿左右方向水平延伸,第二支架221与上压安装板21浮动连接。
如图11所示,第二支架221上固定有两根相互平行的导向杆223,上压安装板21上具有与导向杆223一一对应设置的导向孔,导向杆223和与之对应的导向孔滑动配合。
如图12所示,位于外侧的输送带支架111的外侧边上安装有安装板,安装板上安装有多个沿输送方向均匀分布的导向轮224,多个导向轮224的轴线沿上下方向延伸。
如图11所示,固定侧板16的两端分别设有滑座23,滑座23与设于第二框架15上的第二滑轨24滑动配合,第二框架15上设有用于调节固定侧板16上下高度的调高组件。可根据真空绝热板a的厚度调整固定侧板16的高度。
如图11所示,调高组件包括固定在第二框架15上的顶板251、与顶板251转动配合的第二螺杆252以及设于第二螺杆252上的第三手轮253,第二螺杆252的下端与固定侧板16螺纹连接。第二螺杆252与顶板251轴向限位连接,根据实际情况,可设置四个顶板251,分别位于第二框架15的四角处,每个顶板251上均转动连接有一个第二螺杆252,每个第二螺杆252的下端均与固定侧板16螺纹连接。通过转动第三手轮253,可调节固定侧板16的高度。
工作时,经过拉边后的真空绝热板a经输送带113输送至两块挡边型材141之间,真空绝热板a两边的封装袋在挡边型材141的作用下逐渐向上翻折,压轮组件上的第二压轮222对真空绝热板a施加压力,使真空绝热板a两边的封装袋进一步向上翻折,真空绝热板a经过挡边板142后,真空绝热板a两边的封装袋与折边导向板143的斜边接触,开始向内翻折,向内翻折后的真空绝热板a的封装袋经过第一压轮145进一步压边,保证了翻折后的真空绝热板a的平整。
如图13所示,胶带机13设置在调整板18上。如图14和图15所示,胶带机13包括设于输送机构11上方的安装架131、设于安装架131上的胶带轮132和用于吸附胶带的吸盘133,胶带轮132的轴线沿第一框架10的宽度方向延伸,由胶带轮132引出的胶带由后往前绕过吸盘133后粘贴到真空绝热板a上,安装架131上设有用于将位于吸盘133与真空绝热板a之间的胶带切断的切断组件。其中,输送机构11沿第一框架10的长度方向延伸,由胶带轮132引出的胶带的背面由后往前绕过吸盘133,胶带的粘贴面粘贴在真空绝热板a的上表面。真空绝热板a向前输送,不断牵引胶带向前运动,胶带不断被粘贴到真空绝热板a上,达到自动粘贴胶带的目的。
如图16所示,切断组件包括第二连杆1341,第二连杆1341的一端设有刀片1342,其另一端与安装架131铰接,第二连杆1341的中部设有使刀片1342向下切割的带动结构。其中,刀片1342垂直于第二连杆1341的长度方向设置,当第二连杆1341处于水平状态时,刀片1342垂直向下延伸。当需要切断胶带时,带动结构带动第二连杆1341旋转,使刀片1342向下运动,刀片1342接触并将位于吸盘133与真空绝热板a之间的胶带切断。
如图16所示,带动结构包括设于第二连杆1341上方的横向支架1343、上端与横向支架1343铰接的第一连杆1344以及使安装架131相对横向支架1343上下升降的升降器1345,第一连杆1344绕横向支架1343的旋转中线与胶带轮132的轴线平行,第一连杆1344的下端与第二连杆1341的中部铰接。其中,升降器1345驱动安装架131上下升降,带动第二连杆1341远离刀片1342的一端上下运动,当第二连杆1341远离刀片1342的一端在升降器1345的作用下向上运动时,刀片1342向下运动,完成切割动作。或者升降器1345驱动横向支架1343上下升降,带动第二连杆1341的中部上下运动,当第二连杆1341的中部在升降器1345的作用下向下运动时,刀片1342向下运动,完成切割动作。
本实施例中,如图13和图16所示,在调整板18上安装有支撑板1346,升降器1345包括固定在支撑板1346上的缸体,横向支架1343固定在缸体上,安 装架131固定在缸体的活塞杆上。缸体为气缸或液压缸,本实施例为气缸。缸体倒置设置,活塞杆由缸体的下端伸出。活塞杆伸出时,带动安装架131下降;活塞杆收缩时,带动安装架131上升。
如图16和图17所示,吸盘133的上端铰接在安装架131上,且吸盘133绕安装架131旋转的旋转中心与胶带轮132的轴线平行,吸盘133具有与胶带接触的吸附面,吸附面上设有若干吸孔。其中,吸附面为圆柱面或圆弧面。
吸盘133内部中空,与吸附面相对的一侧设有吸气口和进气口,吸气口与外部的抽气装置连接,设置进气口能有效防止吸盘133将胶带吸附太紧,保证胶带能随真空绝热板a一同运动。随着安装架131上下升降,吸盘133具有两种状态:与真空绝热板a接触或不接触。
如图17所示,安装架131上设有用于防止胶带从吸盘133上脱落的挡板1347,挡板1347朝向吸盘133的一侧上具有防粘涂层,安装架131上设有当安装架131上升时用于驱动挡板1347运动至吸盘133下方的驱动结构。
当安装架131上升后,在驱动结构的作用下使挡板1347运动到吸盘133的下方,此时挡板1347朝向吸盘133的一侧运动至吸附面的下侧且与吸附面相对设置,胶带被压在吸附面与挡板朝向吸盘的一侧之间,防止胶带从吸盘133上脱落。当安装架131下降时,挡板1347脱离吸盘133。
如图17所示,驱动结构包括铰接在横向支架1343上且向下延伸的第三连杆1348和铰接在第三连杆1348下端的第四连杆1349,第四连杆1349的下端固连有与胶带轮132平行的第一转轴1350,第一转轴1350可转动的穿设在安装架131内,第一转轴1350上固连有第五连杆1351,挡板1347与第五连杆1351固连。绕第三连杆1348转动的旋转中线与第一转轴1350平行,第一转轴1350与胶带轮132平行,当安装架131上下升降时,安装架131的上下运动转化为第五连杆1351绕第一转轴1350的摆动,从而控制挡板1347的运动。
如图17和图18所示,安装架131上可转动的穿设有与第一转轴1350同轴的第二转轴1352,第一转轴1350与第二转轴1352通过连接杆1353固连,第二转轴1352上固连有第六连杆1354,挡板1347与第六连杆1354固连。挡板1347的一端与第五连杆1351固连,其另一端与第六连杆1354固连,提高了挡板1347的结构稳定性。
如图14和图15所示,支撑板1346的下方固连有底板136,如图19所示,底板136上设有用于将胶带压到真空绝热板a上的胶带压轮137以及用于使胶带压轮137始终压在真空绝热板a上的弹性组件。底板136上设有开口,胶带压轮137设于开口内。当吸盘133与真空绝热板a接触时,所述吸盘133位于 开口内。
弹性组件使胶带压轮137始终压在真空绝热板a上,提高了胶带与真空绝热板a的粘贴效果,而且可根据真空绝热板a的厚度上下调节胶带压轮137的位置,能使胶带粘贴到不同厚度的真空绝热板a。胶带位于胶带压轮137与吸盘133之间的部分为处于张紧状态的张紧部,切断组件切断张紧部时,张紧部不会出现让位现象。
本实施例中,弹性组件包括两个固定在底板136上的支座1381以及设于支座1381内用于下压胶带压轮137的弹性件1382,两个支座1381的相对侧上设有上下延伸的滑槽1383,用于支撑胶带压轮137的支撑轴1384的两端分别伸入滑槽1383,弹性件1382的下端作用在支撑轴1384上。弹性件1382可以是弹簧,在弹力的作用下压在支撑轴1384上,从而使胶带压轮137始终压在真空绝热板a上。
本真空绝热板的加工装置由控制器控制,在胶带机13的下方设置位移传感器,当位移传感器检测到向内翻折后的真空绝热板a经输送带113输送至胶带机13下方时,控制器向气缸输出控制指令,驱动气缸活塞杆伸长,气缸带动安装架131向下运动,吸盘133与真空绝热板a的封装袋接触,使胶带粘贴在真空绝热板a的封装袋的上。当位移传感器检测到真空绝热板a末端脱离吸盘133时,控制器向气缸输出控制指令,驱动气缸活塞杆收缩,第二连杆1341旋转,带动刀片1342向真空绝热板a转动,此时胶带粘贴在真空绝热板a上,同时被吸盘133吸附,胶带处于绷紧状态,向下摆动的刀片1342将胶带切断,同时第四连杆1349转动,转动方向与第二连杆1341旋转相反,通过连接杆1353、第六连杆1354和第五连杆1351带动挡板1347转动,进而带动挡板1347运动至吸盘133下方,使胶带更靠近吸盘133的圆柱面,便于吸盘133的吸气口将切断后的胶带吸附,防止胶带掉落。
下述实施例中的实验方法,如无特别说明,均为常规方法;所用原材料如无特别说明,均为本技术领域常规原材料,均可商购获得。
如图20、21所示的本发明的一种气凝胶改性聚氨酯泡沫隔热板1,包括聚氨酯泡沫芯3和至少一个隔热包2,所述隔热包2设置于聚氨酯泡沫芯3内部,聚氨酯泡沫包裹着隔热包2,隔热包2在所述隔热板1中的体积比为10%-90%,优选30-70%;隔热包2包括由具有阻气作用的阻隔薄膜围成的外壳体,所述外壳体内填充有隔热材料5和至少一个吸气包4,所述隔热材料5包括1-60wt%气凝胶和40-99wt%无机纤维,优选15-60wt%气凝胶和40-85wt%无机纤维,或者25-60wt%气凝胶和40-75wt%无机纤维;所述吸气包4内填充有金属氧化物,所 述金属氧化物包括氧化钙,吸气包4的设置量根据隔热包2的面积确定,控制吸气包≤5g/m 2;所述隔热包2的导热系数为0.001-0.010w/m.k。
在一些技术方案中,所述阻隔薄膜为铝箔复合膜,优选玻纤布/AL/PET/CPE复合膜或者玻纤布/AL/PET/NY/CPE复合膜;所述吸气包的外包体材质为具有防水透气性能的材料,优选高密度聚乙烯材料,优选Tyvek杜邦纸;金属氧化物填充在外包体内;
在一些技术方案中,所述金属氧化物还包括铜氧化物、铈氧化物;金属氧化物中氧化钙的质量百分比为98-99.5%,余量为铜氧化物和/或铈氧化物,铜氧化物、铈氧化物以任意比例混合。
所述气凝胶、无机纤维和吸气包密封在隔热包的外壳体中,且外壳体内抽真空密封以提高隔热效果;优选所述聚氨酯泡沫芯外复合有装饰面,优选所述装饰面为膜、涂布纸、无纺布、铝膜压饰面或不锈钢框体。
所述气凝胶选自有机气凝胶、聚酰亚胺气凝胶或聚氨酯气凝胶,优选二氧化硅气凝胶;所述无机纤维选自玻璃纤维、玄武岩纤维和陶瓷纤维中的一种或多种混合;优选聚氨酯泡沫芯含有阻燃剂。
在一些技术方案中,所述隔热材料还包括黑色材料,所述黑色材料为炭黑、氧化铁、五氧化三钛中的一种或多种混合物;黑色材料的比表面积为10-360m 2/g,优选70-150m 2/g;黑色材料在隔热材料中的质量比为0%-10%,优选2-8%或3-5%;黑色材料的平均粒度≤10um。
在一些技术方案中,所述隔热材料还包括其它材料,所述其它材料选自膨胀珍珠岩、沉淀二氧化硅、碳酸钙、滑石粉或氢氧化镁;
所述隔热包或吸气包为长方体形、立方体形、球形或圆柱体形。
本发明的隔热板的厚度为0.6cm-10cm,隔热包厚度为0.49-0.98cm,导热系数≤0.015w/m.k,火焰蔓延指数≤30,烟雾指数≤300。
上述气凝胶改性聚氨酯泡沫隔热板的制备方法,按照如下步骤操作:
1)制备隔热包:将隔热材料和吸气包密封在阻隔薄膜内制得隔热包;
2)将隔热包放置在隔热板制备模具中;
3)将聚氨酯液体泡沫倾倒进隔热板制备模具中,且确保隔热包完全被泡沫材料包裹;所述聚氨酯液体泡沫中含有阻燃剂,所述阻燃剂为卤素阻燃剂或非卤素阻燃剂,优选磷酸三酯,羟乙基膦酸二乙酯,磷酸三乙酯、氢氧化铝,氢氧化镁或氧化钼。
4)让泡沫材料硬化定型形成最终产品。
5)对隔热板进行装饰,所述装饰包括在表面涂颜色、在表面复合装饰面, 优选所述装饰面为膜、涂布纸、无纺布、铝膜压饰面或不锈钢框体。
按照上述的方法制备本发明的气凝胶改性聚氨酯泡沫隔热板,原料和配比如表1中所示,表1中吸气包g/m 2是指每平米隔热包中吸气包的质量。
本发明实施例1-6和对比例1-4的黑色材料采用炭黑,所用的炭黑的比表面积为80m 2/g的炭黑,粒度8um;气凝胶采用二氧化硅气凝胶,无机纤维采用平均纤维直径为3.5um的玻璃纤维棉,吸气包内含有98%的氧化钙、1%的铜氧化物、1%的铈氧化物。
将制得的隔热板制备成300mm×300mm的小板进行测试检测产品性能,检测结果如表1中所示:
火焰蔓延指数和烟雾指数根据ASTM E 84《建筑材料表面燃烧性能的测定方法》,导热系数采用ASTM C 518-2017《采用热流计仪器法测定稳态热传递特性的标准试验方法》。
表1
Figure PCTCN2022142998-appb-000001
将实施例2-6中的气凝胶换成聚酰亚胺气凝胶或聚氨酯气凝胶,或者无机纤维换成玄武岩纤维或陶瓷纤维,或者黑色材料换为氧化铁或五氧化三钛时,得到的隔热板的产品性能与表1中实施例2-6中的产品性能类似,导热系数在0.008~0.020w/m.k之间。
在本领域技术中,通常一个隔热板的导热系数变化0.001w/m.k都是十分困难的,0.001w/m.k的变化在本领域技术中即是显著的变化。
从对比例1、2、3和实施例1-6的对比可以看出,设置隔热包和吸气包后,产品的导热系数进一步降低,隔热性能更好。
从对比例3和实施例5的对比能看出来,在隔热材料中添加黑色材料能进一步降低导热系数。
对比例4与实施例5对比,对比例4中没有使用吸气包,实施例5中使用了吸气包,两组实验样品具备相近的导热系数、火焰蔓延指数、烟雾指数。对两组实验样品进行老化处理,老化的实验条件为:将样品置于80℃,湿度65%的环境中,放置30天,确保温度波动范围在±2℃,湿度波动范围在±5%。
老化处理后对导热系数进行测试,对比老化前后导热系数变化,结果如表2所示:
表2
实验组 老化前导热系数w/m.k 老化后导热系数w/m.k
实施例5 0.010 0.010
对比例4 0.010 0.012
从实验结果可以看出,含有吸气包的实施例5试样较对比例4试样具有更好的抗老化能力、更长的使用寿命。
本文中所描述的具体实施例仅仅是对本发明精神作举例说明。本发明所属技术领域的技术人员可以对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代,但并不会偏离本发明的精神或者超越所附权利要求书所定义的范围。

Claims (20)

  1. 一种真空绝热板的加工装置,其特征在于,包括第一框架(10)、设于第一框架(10)上的输送机构(11)、两个镜像布置在输送机构(11)两侧的拉边机构(12)、两个镜像布置在输送机构(11)两侧的胶带机(13)以及设于输送机构(11)上方的折边机构(14),所述拉边机构(12)、折边机构(14)和胶带机(13)沿输送机构(11)的输送方向依次设置。
  2. 根据权利要求1所述的真空绝热板的加工装置,其特征在于,所述输送机构(11)包括输送带支架(111)、两个分别设于输送带支架(111)两端的第一同步轮(112)、绷紧在两个第一同步轮(112)上的输送带(113)以及用于驱动输送带(113)向前输送的驱动组件,所述拉边机构(12)设置在输送带支架(111)上。
  3. 根据权利要求1所述的真空绝热板的加工装置,其特征在于,所述第一框架(10)上设有第二框架(15),所述第二框架(15)上设有两块镜像布置的固定侧板(16),两块固定侧板(16)之间设有两根垂直于输送方向设置的光轴(17),所述光轴(17)上滑动配合有两块镜像布置的调整板(18),两块调整板(18)位于两块固定侧板(16)之间,两块固定侧板(16)上穿设有与光轴(17)平行的第二丝杆(19),所述第二丝杆(19)的一端设有第二手轮(20),所述第二丝杆(19)上具有第三螺纹段和第四螺纹段,所述第三螺纹段与第四螺纹段的旋向相反,其中一个调整板(18)与第三螺纹段螺纹连接,另一调整板(18)与第四螺纹段螺纹连接,所述折边机构(14)为两个且镜像布置在位于外侧的输送带支架(111)与调整板(18)之间。
  4. 根据权利要求3所述的真空绝热板的加工装置,其特征在于,所述折边机构(14)包括设于外侧的输送带支架(111)上的挡边型材(141)、设于输送带(113)上方的与固定侧板(16)相对固定的挡边板(142)以及设于固定侧板(16)上的折边导向板(143),所述折边导向板(143)的内侧边为斜边,该斜边由输送方向沿输送带(113)的外侧向输送带(113)的中部延伸,所述挡边型材(141)沿输送方向延伸且高度由后往前逐渐增高,所述挡边型材(141)的最大高度处高于折边导向板(143)的上表面。
  5. 根据权利要求4所述的真空绝热板的加工装置,其特征在于,所述折边导向板(143)上设有位于挡边板(142)前方的第一支架(144),所述第一支架(144)上设有可绕自身中线转动的第一压轮(145)以及用于驱动第一压轮(145)转动的第三电机(146),所述第一压轮(145)的轴线与输送带(113)所处的平面平行。
  6. 根据权利要求3所述的真空绝热板的加工装置,其特征在于,两根所述 光轴(17)上固定有上压安装板(21),所述上压安装板(21)上设有多个间隔布置的压轮组件,多个压轮组件沿输送方向依次设置。
  7. 根据权利要求6所述的真空绝热板的加工装置,其特征在于,所述压轮组件包括第二支架(221)和转动设于第二支架(221)上的第二压轮(222),所述第二压轮(222)沿垂直于输送带(113)的输送方向延伸,所述第二支架(221)与上压安装板(21)浮动连接。
  8. 根据权利要求7所述的真空绝热板的加工装置,其特征在于,所述第二支架(221)上固定有两根相互平行的导向杆(223),所述上压安装板(21)上具有与导向杆(223)一一对应设置的导向孔,所述导向杆(223)和与之对应的导向孔滑动配合。
  9. 根据权利要求3所述的真空绝热板的加工装置,其特征在于,所述固定侧板(16)的两端分别设有滑座(23),所述滑座(23)与设于第二框架(15)上的第二滑轨(24)滑动配合,所述第二框架(15)上设有用于调节固定侧板(16)上下高度的调高组件。
  10. 根据权利要求9所述的真空绝热板的加工装置,其特征在于,所述调高组件包括固定在第二框架(15)上的顶板(251)、与顶板(251)转动配合的第二螺杆(252)以及设于第二螺杆(252)上的第三手轮(253),所述第二螺杆(252)的下端与固定侧板(16)螺纹连接。
  11. 一种气凝胶改性聚氨酯泡沫隔热板,其特征在于:包括聚氨酯泡沫芯和至少一个隔热包,所述隔热包设置于聚氨酯泡沫芯内部,聚氨酯泡沫包裹着隔热包,隔热包在所述隔热板中的体积比为10%-90%,优选30-70%;
    隔热包包括由具有阻气作用的阻隔薄膜围成的外壳体,所述外壳体内填充有隔热材料和至少一个吸气包,所述隔热材料包括1-60wt%气凝胶和40-99wt%无机纤维,优选15-60wt%气凝胶和40-85wt%无机纤维,或者25-60wt%气凝胶和40-75wt%无机纤维;
    所述吸气包内填充有金属氧化物,所述金属氧化物包括氧化钙,吸气包的设置量根据隔热包的面积确定,控制吸气包≤5g/m 2
    所述隔热包的导热系数为0.001-0.010w/m.k。
  12. 如权利要求11所述的气凝胶改性聚氨酯泡沫隔热板,其特征在于:
    所述阻隔薄膜为铝箔复合膜,优选玻纤布/AL/PET/CPE复合膜或者玻纤布/AL/PET/NY/CPE复合膜;
    所述吸气包的外包体材质为具有防水透气性能的材料,优选高密度聚乙烯材料,优选Tyvek杜邦纸;金属氧化物填充在外包体内;
    所述金属氧化物还包括铜氧化物、铈氧化物;金属氧化物中氧化钙的质量百分比为98-99.5%,余量为铜氧化物和/或铈氧化物,铜氧化物、铈氧化物以任意比例混合。
  13. 如权利要求11所述的气凝胶改性聚氨酯泡沫隔热板,其特征在于:
    所述气凝胶、无机纤维和吸气包密封在隔热包的外壳体中,且外壳体内抽真空密封以提高隔热效果;
    优选所述聚氨酯泡沫芯外复合有装饰面,优选所述装饰面为膜、涂布纸、无纺布、铝膜压饰面或不锈钢框体。
  14. 如权利要求11所述的气凝胶改性聚氨酯泡沫隔热板,其特征在于:所述气凝胶选自有机气凝胶、聚酰亚胺气凝胶或聚氨酯气凝胶,优选二氧化硅气凝胶;
    所述无机纤维选自玻璃纤维、玄武岩纤维和陶瓷纤维中的一种或多种混合;优选聚氨酯泡沫芯含有阻燃剂。
  15. 如权利要求11所述的气凝胶改性聚氨酯泡沫隔热板,其特征在于:
    所述隔热材料还包括黑色材料,所述黑色材料为炭黑、氧化铁、五氧化三钛中的一种或多种混合物;
    黑色材料的比表面积为10-360m 2/g,优选70-150m 2/g;
    黑色材料在隔热材料中的质量比为0%-10%,优选2-8%或3-5%;
    黑色材料的平均粒度≤10um。
  16. 如权利要求11所述的气凝胶改性聚氨酯泡沫隔热板,其特征在于:所述隔热材料还包括其它材料,所述其它材料选自膨胀珍珠岩、沉淀二氧化硅、碳酸钙、滑石粉或氢氧化镁;
    所述隔热包或吸气包为长方体形、立方体形、球形或圆柱体形。
  17. 如权利要求11所述的气凝胶改性聚氨酯泡沫隔热板,其特征在于:所述隔热板的厚度为0.6cm-10cm,隔热包厚度为0.49-0.98cm,导热系数≤0.015w/m.k,火焰蔓延指数≤30,烟雾指数≤300。
  18. 权利要求11至17任一项所述的气凝胶改性聚氨酯泡沫隔热板的制备方法,其特征在于,包括如下步骤:
    1)制备隔热包:将隔热材料和吸气包密封在阻隔薄膜内制得隔热包;
    2)将隔热包放置在隔热板制备模具中;
    3)将聚氨酯液体泡沫倾倒进隔热板制备模具中,且确保隔热包完全被泡沫材料包裹;
    4)让泡沫材料硬化定型形成最终产品。
  19. 如权利要求18所述的制备方法,其特征在于:所述聚氨酯液体泡沫中含有阻燃剂,所述阻燃剂为卤素阻燃剂或非卤素阻燃剂,优选磷酸三酯,羟乙基膦酸二乙酯,磷酸三乙酯、氢氧化铝,氢氧化镁或氧化钼。
  20. 如权利要求18所述的制备方法,其特征在于:还包括步骤5)对隔热板进行装饰,所述装饰包括在表面涂颜色、在表面复合装饰面,优选所述装饰面为膜、涂布纸、无纺布、铝膜压饰面或不锈钢框体。
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117450360A (zh) * 2023-12-22 2024-01-26 福建建壹真空科技有限公司 一种真空绝热板加工用真空四边封设备及其使用方法
CN117841243A (zh) * 2024-01-08 2024-04-09 应城市恒天药业包装有限公司 基于硫化机的喷涂***及工艺

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2746479A1 (de) * 2012-12-19 2014-06-25 STO SE & Co. KGaA Wärmedämmplatte für ein Wärmedämmverbundsystem, Wärmedämmverbundsystem
CN109853137A (zh) * 2019-02-21 2019-06-07 浙江华恒复合材料有限公司 一种干法无针刺制备真空绝热板芯材的方法及生产设备
CN111155666A (zh) * 2020-01-20 2020-05-15 深圳市卓宝科技股份有限公司 一种建筑外墙用复合真空保温板及其制备方法
CN212358662U (zh) * 2020-01-20 2021-01-15 深圳市卓宝科技股份有限公司 一种建筑外墙用复合真空保温板
CN114211546A (zh) * 2021-12-10 2022-03-22 滁州银兴新材料科技有限公司 一种真空绝热板加工设备及加工方法
CN114634700A (zh) * 2022-04-02 2022-06-17 重庆再升科技股份有限公司 一种气凝胶改性聚氨酯泡沫隔热板及其制备方法
CN115111466A (zh) * 2022-06-20 2022-09-27 重庆再升科技股份有限公司 真空绝热板的加工装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2746479A1 (de) * 2012-12-19 2014-06-25 STO SE & Co. KGaA Wärmedämmplatte für ein Wärmedämmverbundsystem, Wärmedämmverbundsystem
CN109853137A (zh) * 2019-02-21 2019-06-07 浙江华恒复合材料有限公司 一种干法无针刺制备真空绝热板芯材的方法及生产设备
CN111155666A (zh) * 2020-01-20 2020-05-15 深圳市卓宝科技股份有限公司 一种建筑外墙用复合真空保温板及其制备方法
CN212358662U (zh) * 2020-01-20 2021-01-15 深圳市卓宝科技股份有限公司 一种建筑外墙用复合真空保温板
CN114211546A (zh) * 2021-12-10 2022-03-22 滁州银兴新材料科技有限公司 一种真空绝热板加工设备及加工方法
CN114634700A (zh) * 2022-04-02 2022-06-17 重庆再升科技股份有限公司 一种气凝胶改性聚氨酯泡沫隔热板及其制备方法
CN115111466A (zh) * 2022-06-20 2022-09-27 重庆再升科技股份有限公司 真空绝热板的加工装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117450360A (zh) * 2023-12-22 2024-01-26 福建建壹真空科技有限公司 一种真空绝热板加工用真空四边封设备及其使用方法
CN117450360B (zh) * 2023-12-22 2024-03-01 福建建壹真空科技有限公司 一种真空绝热板加工用真空四边封设备及其使用方法
CN117841243A (zh) * 2024-01-08 2024-04-09 应城市恒天药业包装有限公司 基于硫化机的喷涂***及工艺

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