93 results about "Sandwich board" patented technology

The invention relates to the technical field of materials, in particular to a high-bonding-strength flame-retardant composite foam board and a preparation method thereof.An epoxy foam material core is internally provided with a plurality of closed-cell small bubbles, so that the thermal radiation effect and sound conduction of an epoxy foam sandwich board are effectively prevented, and the effects of heat insulation and noise reduction are achieved; compared with a honeycomb sandwich board, the heat insulation and noise reduction performance is better, in addition, the environment-friendly flame-retardant epoxy foaming mixture used for preparing the epoxy foam-based sandwich board is good in adhesion with the inner skin and the outer skin, an adhesive does not need to be used for adhesion, a harmful solvent does not need to be added, and by casting the epoxy foaming mixture between the inner skin and the outer skin, the heat insulation performance and the noise reduction performance are better. The epoxy foam sandwich board is simple in structure, easy to form, good in rigidity and strength, good in heat insulation and noise reduction performance and excellent in environmental protection performance, can be applied to manufacturing of high-strength composite materials and has wide application prospects, and the sandwich-shaped whole body is not limited to the appearance shape of a composite body, and the sandwich-shaped whole structure is good in rigidity and strength, good in heat insulation and noise reduction performance and excellent in environmental protection performance.

The invention relates to the technical field of aerospace structure safety, and discloses a flying bird anti-collision device with a foamed aluminum sandwich energy-absorbing structure, the flying bird anti-collision device comprises an assembly frame and an outer frame as the device, the corners of the outer side of the assembly frame are provided with assembly cylinders, and the assembly frame is assembled in the head of an aircraft through the assembly cylinders; the front panel is arranged on the inner side of the assembly frame and is used for bearing a first collision impact; the buffering assembly is arranged on the inner side of the assembling frame and used for buffering the first impact; the sandwich board is arranged on the inner side of the assembly frame and used for bearing the buffered impact; and the rear panel is arranged on the inner side of the assembly frame and is used for bearing the impact which is buffered twice. Through ordered hierarchical arrangement of the front panel, the buffer assembly, the foamed aluminum sandwich panel and the rear panel, a synergistic energy absorption system and a multi-structure synergistic gradient protection mechanism are constructed, impact is decomposed into a plurality of controllable energy dissipation stages, and efficient management and dissipation of impact energy are achieved.

The utility model belongs to the technical field of sandwich panels, and particularly relates to an environment-friendly flame-retardant polyurethane sandwich panel which comprises a sandwich panel body, and a hard metal plate is wrapped outside the sandwich panel body. A flame-retardant isolation layer, a polyurethane foam layer and a polystyrene foam layer are further arranged in the sandwich panel body, and the flame-retardant isolation layer is arranged between the polyurethane foam layer and the polystyrene foam layer; the flame-retardant isolation layer comprises an aluminum honeycomb and a glass magnesium filler, and the glass magnesium filler is arranged in holes of the aluminum honeycomb; the left side and the right side of the laminboard body are provided with three connectors and three connecting grooves respectively, and the connectors are matched with the connecting grooves. According to the sandwich board, more environment-friendly and flame-retardant materials are adopted to serve as inner core filling, the heat preservation performance of the board is improved, meanwhile, the fireproof performance is improved, the overall weight of the board is reduced, and splicing and using are facilitated.

The embodiment of the utility model provides arc-shaped laminboard cutting equipment. The arc-shaped laminboard cutting equipment comprises a material table; the two longitudinal sliding rails are arranged on the two sides of the material table; the at least one transverse sliding rail is arranged on the longitudinal sliding rail; the sliding rail driving device is arranged on the material table and is connected with the transverse sliding rail through a transmission assembly; the cutting saw is connected to the transverse sliding rail and provided with a plurality of saw blades arranged at intervals; the cutting driving device is arranged on one side of the transverse sliding rail and connected with the cutting saw through a driving assembly. According to the technical scheme, after a plate needing to be cut is placed on the material table, the cutting saw can move along the transverse sliding rail so that the plate can be cut, and after one position is cut, the transverse sliding rail and the cutting saw move along the longitudinal sliding rail together so that the cutting position can be changed. When the arc-shaped laminboard cutting equipment is used for cutting and processing the laminboard, the laminboard does not need to be moved repeatedly, the risk of scratching the laminboard is avoided, a plurality of slots can be cut at the same time, the processing efficiency is high, and the processing quality is good.

The utility model relates to the technical field of color steel plate splicing, and discloses a splicing structure of a color steel sandwich plate, which comprises two color steel plates, the left side of one of the color steel plates is fixedly connected with a positioning component for mounting the other color steel plate, the top end of the left side of one of the color steel plates is fixedly connected with a plurality of connecting blocks, and the connecting blocks are fixedly connected with the top end of the right side of the other color steel plate. A clamping groove is formed in the bottom of the left side of the connecting block, a plurality of mounting shells are fixedly connected to the interior of the right side of the other color steel plate, a connecting plate is fixedly connected to the bottom end of the interior of each mounting shell, a supporting plate is fixedly connected to the top of each connecting plate, and a limiting groove is formed in the top of each supporting plate. According to the utility model, the engineering project can be delivered and used more quickly, the time cost is reduced, the working efficiency can be improved by quick splicing, more workload can be completed within limited time, the flexibility of the construction process can be enhanced, and field changes can be coped with in time.

The utility model relates to the technical field of laminboard cutting, in particular to a laminboard cutting mechanism which comprises two cutting assemblies and a support, each cutting assembly comprises a mounting base, a linkage rod, two mounting boxes, a fixing piece and a cutter body, worms are arranged at the two ends of each linkage rod, connecting rods are rotationally arranged in the two mounting boxes, and the two ends of each connecting rod are provided with screws. According to the laminboard cutting mechanism, worm wheels are arranged on the connecting rods, the connecting rods in the two mounting boxes are in linkage through chain wheels and chains, through the two cutting assembly structures, the synchronism and stability of the cutting action are ensured, meanwhile, the cutting force is effectively dispersed, the blade is prevented from being bent, and the cutting effect of foam laminboards can be remarkably improved through the laminboard cutting mechanism; and the cutting surface is smooth and the blade is not easy to bend.

The utility model provides a heat insulation sandwich panel for a combined refrigeration house, which comprises an outer layer panel, an inner layer panel and an outer layer panel, the inner-layer substrate is used for providing internal support; the heat insulation filling material is filled between the outer-layer panel and the inner-layer substrate and is used for reducing heat conduction; the splicing frames are arranged on the edges of the two sides of the sandwich board and used for being connected with other sandwich boards; the lock catch groove is formed in the outer side of the splicing frame on one side; the splicing frame on the other side is provided with a lock catch groove, the splicing flange is arranged on the outer side of the splicing frame on the other side, the splicing flange comprises a gradually-changed section to enhance the attaching performance, the lock catch groove is matched with the splicing flange in an embedded mode to achieve fastening between the adjacent sandwich boards, and the inner wall of the splicing frame is provided with a groove; the grooves are filled with sealing gaskets so as to improve the sealing performance when the adjacent sandwich boards are spliced. Through the scheme of the embodiment of the invention, the cold bridge effect can be reduced.

The utility model relates to the technical field of building materials, in particular to a laminboard convenient to install and apply, which comprises laminboard bodies, inserting grooves are fixedly arranged on the peripheral edges of the laminboard bodies, a connecting device is sleeved at the center of the four laminboard bodies, and four corners and the center of the connecting device are fixed through screws in a threaded manner. The connecting device comprises a cross-shaped connecting block, threaded holes are fixedly formed in the four corners and the center of the cross-shaped connecting block, inserting blocks are fixedly connected to the edges of the connecting device, and after the cross-shaped connecting block is fixed in a threaded mode, the laminboard body is inserted into the periphery of the cross-shaped connecting block to be fixed. The cross-shaped connecting block is used for inserting and sleeving, so that the sandwich board body and the cross-shaped connecting block can be tightly connected, other sandwich board bodies and the cross-shaped connecting block are spliced, and the installation is more convenient.

The utility model relates to the technical field of clean windows, and discloses a single-layer glass clean window which is characterized in that a centrally-arranged aluminum column is mounted on one side of a metal sandwich board wall, a clean window assembly is mounted on one side of the centrally-arranged aluminum column, and sealing assemblies are arranged between the centrally-arranged aluminum column and the metal sandwich board wall and between the centrally-arranged aluminum column and the clean window assembly respectively; the middle aluminum column is placed in the connecting component, the clamping groove in one side of the middle aluminum column abuts against the outer side of the first protrusion under the guidance of the first mounting groove, and then the mounting column is mounted on the other side of the middle aluminum column. A second protrusion on one side of the second hollow sealing strip abuts against a clamping groove in the other side of the middle aluminum column, then the window frame is installed on the outer side of the installation column, installation of the window frame and the metal sandwich board wall is completed, assembly of the window frame is facilitated, the sealing performance is guaranteed, the installation difficulty of the clean window is greatly lowered, and the installation efficiency is improved. And the installation efficiency of the clean window is ensured.

The application discloses a high-precision quick-switching continuous sandwich plate production line, which comprises a lower plate uncoiling and profiling system, an upper plate uncoiling and profiling system, an upper steel plate transition roller way, a double-track pressure curing machine, a lower roller way, a tracking cutting saw, a cooling bed, a stacking machine, a packing machine, a first mineral wool supply system and a second mineral wool supply system, and the core of the application is that the lower plate uncoiling and profiling system and the upper plate uncoiling and profiling system are installed by exchanging positions, the lower plate uncoiling and profiling system is arranged at the front end of the upper plate uncoiling and profiling system, and part of the upper steel plate transition roller way and the lower profiling machine transverse moving system are cancelled, so that the lower plate uncoiling and profiling system is not interfered by the upper steel plate transition roller way, the plate type can be directly switched by using a crown block to hoist and switch the roller frame assembly of the lower profiling machine, the step of moving the lower profiling machine out of the line to switch the specifications is omitted, the investment cost of the production line is greatly reduced, the use area of the workshop is saved, and the switching of the specifications is more accurate and quick.

The invention discloses a composite material grid foam sandwich non-dismantling formwork for cast-in-place concrete and an assembling method of the composite material grid foam sandwich non-dismantling formwork, and relates to the field of cast-in-place concrete building structure formworks. The manufacturing method of the non-dismantling formwork specifically comprises the following steps that firstly, a grid-shaped reinforced fiber material is soaked in resin and then vertically laid in an up-down layered mode; a preformed composite material grid fiberboard is obtained; the foam sandwich board is placed between the two composite material grid fiber boards, a C-shaped clamping groove is pre-buried in the axial direction of the section of one side of the foam sandwich board to form a concave section, the section of the other side of the foam sandwich board is prefabricated into a convex section capable of being inserted into the C-shaped clamping groove, and the composite material grid fiber foam sandwich board is obtained; and finally, the composite material grid fiber foam sandwich plate is placed in a vacuum device to be subjected to thermocuring treatment, and the composite material grid foam sandwich non-dismantling formwork is obtained. According to the composite material grid foam sandwich non-dismantling formwork for cast-in-place concrete, the composite material grid foam sandwich non-dismantling formwork is combined with the opposite-pulling assembly, and efficient forming and integration of a cast-in-place concrete member are achieved.

This invention belongs to the technical field of sheet metal processing equipment, specifically relating to a sandwich panel cutting device with multi-cylinder collaborative positioning. It includes a worktable and a base, with an adjustment device on the base and a cutting device mounted on the adjustment device. A vertical clamping device is located below the cutting device. The vertical clamping device includes a cylinder mounting plate, a first cylinder, a first pressure plate, a third pressure plate, a third cylinder, a second cylinder, and a second pressure plate. An elastic displacement detection component is embedded inside the first pressure plate, contacting the workpiece. Side clamping devices are located on both sides of the workpiece. This invention achieves stable clamping effects through the linkage of the multi-cylinder collaborative clamping structure and the elastic displacement detection component embedded in the pressure plate, combined with the displacement-force change curve to accurately determine the elastic characteristics of the sheet metal, dynamically matching and real-time adjusting the clamping force range, and combining local deformation-targeted fine-tuning logic. This results in stable clamping effects at multiple points in both the vertical direction and on the sides.

The invention discloses low-bubble-defect paving equipment and technology based on a carbon fiber sandwich panel, and relates to the field of panel paving, the low-bubble-defect paving equipment comprises an equipment body, the top of the equipment body is rotatably connected with a station rotating disc, and gear platforms are symmetrically and rotatably connected in inner cavities of the two sides of the station rotating disc; the right sides of the two ends of the equipment body are symmetrically and movably connected with first C-shaped rods, the left sides of the two ends of the equipment body are symmetrically and movably connected with second C-shaped rods, the tops of the first C-shaped rods are provided with clamping plates, and the tops of the second C-shaped rods are movably connected with movable frames. According to the low-bubble-defect paving equipment and technology based on the carbon fiber sandwich board, through the arrangement of the two gear platforms, paving can be conducted at one station, curing assistance can be conducted at the other station when paving work of the carbon fiber sandwich board is conducted, and therefore the laminating efficiency can be effectively improved, and the laminating quality is improved. Therefore, air holes during paving can be effectively removed, and the defects of finished products are reduced.

The present invention relates to the technical field of plate processing, and discloses a sandwich board, processing equipment for preparing the sandwich board, and a method for installing the sandwich board, including a knocking device, the knocking device including an electric turntable, the lower end of the electric turntable being fixedly connected to an electric push rod, the lower end of the electric push rod being fixedly connected to a support plate, the lower end of the support plate being fixedly connected to a limit block, the front end of the support plate being fixedly connected to a slide rail, the left end of the slide rail being fixedly connected to a motor, the right end of the motor being fixedly connected to a bidirectional screw, the outer surface of the bidirectional screw being threadedly connected to a bracket, and the inner side of the bracket being slidably connected to four electric clamps. In this sandwich board process, an electric clamp is provided to clamp a connector, and then an electric knocking hammer is provided to knock the electric clamp, thereby knocking the connector into an intermediate layer plate through the electric clamp. After the electric clamp releases the connector, it resets under the action of a spring, and the operation can be repeated, thereby achieving the effect of improving work efficiency.

The invention discloses a Bayesian polynomial chaos neural network proxy model method, and belongs to the technical field of sandwich board structure optimization design and proxy models. The method comprises the following steps: firstly, determining structural composition, size association and design parameters of the Y-shaped sandwich panel, constructing an automatic modeling script file, and simulating a drop hammer impact experiment process; secondly, generating a data set required by optimization of the Y-shaped sandwich panel, completing preprocessing, determining a protection performance evaluation index and an optimization target, and generating effective sample data; thirdly, training the proxy model based on the training set and the verification set; finally, multi-objective optimization design is carried out, design space is explored, a Pareto solution set is obtained, and a comprehensive optimal solution is selected. Through cooperation of the high-precision efficient proxy model and the intelligent optimization algorithm, the design period is shortened, the design space exploration range is expanded, the energy absorption protection effect is remarkably improved while the light weight of the Y-shaped sandwich panel is achieved, and reference is provided for engineering application and optimization design of the Y-shaped sandwich panel.

The utility model discloses a kind of cutting blade mounting devices for color steel sandwich board, it is related to plate processing technical field, including support seat, the side of support seat is provided with support plate, the side of support plate is fixed with fixed plate, the bottom of fixed plate is fixed with mounting bracket, the inner wall of mounting bracket is inserted with mounting plate, the bottom of mounting plate is fixed with cutting blade, the side of mounting plate is fixed with two groups of limit frame, the inner cavity of two groups of limit frame is all set with multiple groups of limit slot, the inside of mounting bracket is provided with the limit component for the limit of mounting plate. The utility model has the beneficial effect that: by slider drive limit block inserts the inside of limit slot, to reach the effect of the limit of limit frame, mounting plate is installed in the inside of mounting bracket, ensure that cutting blade is installed firmly, by support block for the limit of push block.

The utility model relates to the technical field of outer wall construction, in particular to a sandwich panel outer wall construction structure seam pulling device which comprises a structural wall and a formwork, a floor beam is fixed on one side of the structural wall, a concrete filling wall is arranged on one side of the floor beam, a cast-in-place concrete outer wall is fixed on the outer side of the concrete filling wall, and a concrete cavity is formed in the outer side of the cast-in-place concrete outer wall. An extruded sheet body is fixed in the cast-in-place concrete outer wall, a structural shear wall is arranged on one side of the cast-in-place concrete outer wall, and formworks are fixed to the outer side of the structural shear wall and the outer side of the cast-in-place concrete outer wall. The concrete filling wall has the beneficial effects that the extruded sheet body is installed in the concrete filling wall, the weight of the concrete filling wall is reduced, the joint of an outer wall and a main body structure is protected through the vertical-structure seam pulling section and the horizontal-structure seam pulling section which are made of plasticized polyvinyl chloride sections, the cracking risk of the seam pulling position is reduced, and the service life of the outer wall is prolonged. In this way, the outer wall of the sandwich panel can be subjected to seam drawing treatment through the operation, and the cracking risk at the seam drawing position is reduced.

The invention relates to a shape memory foldable lattice sandwich panel satellite structure, and belongs to the technical field of design and manufacturing of foldable structures. The structure is composed of a plurality of modular units, and each unit generates a corresponding three-dimensional geometric structure through an algorithm based on a two-dimensional crease pattern. Each structure is integrally formed by a memory alloy material and is connected through a predefined crease, and flexible folding and reliable unfolding are achieved around the crease. The core adopts a classic folding principle, shows obvious lateral compression capacity, can be compactly stored in a folded state, and has good rigidity and bearing capacity after being unfolded. The stacking layout of different units can be optimized in different directions of the space to form multi-layer stacking or complex space combination so as to meet different space constraint and load requirements.

The utility model discloses a non-purlin system metal sandwich board wall window side waterproof structure. A window frame auxiliary structural part is installed on the side, close to a window, of a C-shaped vertical keel. The straight edge section of the waterproof edge closing structure is attached to the outer side face of the window frame auxiliary structural part, and the edge closing section of the waterproof edge closing structure is arranged on the outer side of the C-shaped vertical keel. One end of the metal sandwich plate extends to the middle position of the outer side of the structural column, and the end part of the metal sandwich plate is fixedly connected with the C-shaped vertical keel through a fastening connecting piece; heat preservation filling materials are arranged among the waterproof edge closing structure, the window frame auxiliary structural part and the metal sandwich board wall body, a butt joint seam is formed by the end face of the filled waterproof edge closing structure and the end face of the metal sandwich board wall body, hard heat preservation filling materials are arranged at the butt joint seam, and the edge of an edge closing section of the waterproof edge closing structure extends into the butt joint seam. And the metal sandwich panel wall body is fixedly connected with the metal sandwich panel wall body through a fastening connecting piece penetrating through the butt joint seam. The utility model has the advantages of reasonable structural design, attractive and harmonious appearance and no hidden danger of water leakage.

The utility model provides a detachable connecting component for sandwich panels, the connecting component is used for fixing the convex end of a first sandwich panel on a wall purline, the connecting component comprises a fixing piece, a first fastening piece and a decorating piece, the fixing piece comprises a fixing part, the fixing part comprises a fixing plate and two support plates arranged on the fixing plate, and the first fastening piece is arranged on the fixing plate. The two supporting plates extend from the fixing plate to the same side of the fixing plate to form openings, one supporting plate abuts against the long edge of the concave end, the other supporting plate is arranged at the notch of the convex end, a mounting hole is formed in the fixing plate, and the first fastener penetrates through the mounting hole in the opening direction to fix the fixing part, the first sandwich panel and the wall purline together. The decorating part is used for shielding the opening; the local detachable function of the adjacent sandwich boards is achieved, the installation process is simple, convenient and rapid, maintenance, replacement or adjustment of the internal structure becomes more convenient and efficient, and the service life of the sandwich boards is prolonged.

The invention discloses a shearing device with a positioning function for laminboard production, and relates to the technical field of shearing devices.The shearing device comprises a conveying assembly, a fixing assembly and a shearing assembly, the fixing assembly is arranged on the conveying assembly, the shearing assembly is arranged in the fixing assembly, and the positioning assembly is arranged at the bottom end of the shearing assembly; the positioning assembly is used for adjusting the plate, and the pretreatment assembly is arranged at the top end of the positioning assembly and used for heating the cut position of the plate.

A laminboard cutting device belongs to the technical field of metal cutting. When an existing sandwich panel is cut, a large amount of heat is generated, so that a core material is melted and combusted, and toxic smoke and melts are generated. And meanwhile, vibration, heat or mechanical stress can damage a bonding layer between the panel and the core material, so that the phenomenon of local degumming or layering occurs near a cutting line. The laminboard conveying device comprises a laminboard conveying line used for conveying laminboards; the cutting mechanism is provided with a circular saw blade and is used for cutting the sandwich panel; the clamping and cooling mechanism comprises two cooling clamps capable of moving up and down, the two cooling clamps are symmetrically arranged on the two sides of the kerf of the sandwich panel, and each cooling clamp is of a rectangular cavity structure; when the laminboard conveying line conveys the laminboard to a position to be cut, the two cooling clamps move downwards and are attached to the two sides of a kerf of the laminboard, cooling liquid is introduced into the cooling clamps, then the cutting mechanism cuts the laminboard, and heat of the laminboard is transferred into the cooling clamps so as to reduce the temperature of the kerf of the laminboard.

The invention relates to the technical field of rock wool board manufacturing, in particular to a composite rock wool sandwich board and manufacturing equipment and method.The composite rock wool sandwich board comprises an upper conveying belt used for conveying a rock wool sandwich and a lower conveying belt used for conveying a profiled steel sheet, and is characterized in that the upper conveying belt is erected above the lower conveying belt; the rock wool sandwich falls from the tail end of the upper conveying belt and covers the profiled steel sheet on the lower conveying belt; the pressing device is used for pushing and pressing the pressing block downwards to the surface of the falling part, extending from the upper conveying belt to the lower conveying belt, of the rock wool sandwich, and the falling part is pressed in the groove part of the profiled steel sheet; according to the composite rock wool laminboard production line, automatic lamination of the rock wool laminboards and the profiled steel sheets is achieved, the production efficiency is improved, the produced composite rock wool laminboards can rapidly dissipate heat in the laminboards, and the heating effect of roofs is reduced.

The utility model discloses an assembly type concrete sandwich panel, which relates to the technical field of sandwich panels and comprises a sandwich panel main body, reinforcing ribs are mounted on the inner wall of the sandwich panel main body, and anti-collision angle bead strips are mounted on the outer wall of the sandwich panel main body. By means of the anti-collision corner protection strips, in the carrying or assembling process of the sandwich board body, the sandwich board body can be collided by external force, corners are broken, the integrity of the cross section of the sandwich board body is damaged, when the sandwich board body bears acting force such as the self weight of a wall and loads transmitted by an upper layer structure, the corner parts can originally share certain pressure, and therefore the corner parts can not be damaged. The bearing capacity of the part is reduced after the part is broken, when the part serves as an enclosure structure and bears part of wind load, the capacity of the part for resisting wind suction force and lateral pressure can be reduced due to damage of the corners, safety reserve of the whole wall structure is reduced, and the corners can be prevented from being broken through the anti-collision corner beads. And the carrying or assembling safety of the sandwich board main body is improved.

The invention discloses a portable mobile board room, relates to the technical field of mobile board rooms, and solves the problems that when an existing mobile board room is built, coamings made of laminboards are generally assembled on a framework of the mobile board room one by one, so that the building work of the mobile board room is time-consuming and labor-consuming; and the connection safety of an external power supply of the mobile board room is not enough. A portable movable board room comprises a base, main boards are evenly arranged above the base, connecting grooves are formed in the lower surfaces of the main boards, U-shaped movable boards are directly arranged on every two adjacent main boards, connecting boards are arranged at the two ends of each U-shaped movable board, transparent windows are arranged on the upper surfaces of the main boards, and the transparent windows are arranged on the lower surfaces of the main boards. A connecting block is arranged on the inner surface of the connecting plate, a positioning mechanism is arranged on the inner side of the connecting block, and a clamping block is arranged on the lower surface of the connecting plate located at the lower end of the main plate. The safety and convenience of external connection of the mobile board room are improved, and the installation speed of the device is increased.

The invention provides a high-temperature-resistant lightweight composite acoustic shield and a device and a manufacturing method thereof. The high-temperature-resistant lightweight composite acoustic enclosure comprises a supporting frame and a sound insulation plate, the supporting frame is formed by winding carbon fiber cloth outside a metal pipe, the sound insulation plate is installed in an inner frame of the supporting frame and comprises a sandwich plate and a sound absorption material layer located on one side of the sandwich plate, and the sandwich plate is a carbon fiber PMI foam sandwich plate; the carbon fiber PMI foam sandwich panel comprises a core material PMI layer and a carbon fiber panel, and the core material PMI layer of the carbon fiber PMI foam sandwich panel is attached to the sound absorption material layer. The weight of the high-temperature-resistant lightweight composite acoustic enclosure can be reduced, and meanwhile the sound insulation performance and the high-temperature-resistant performance of the high-temperature-resistant lightweight composite acoustic enclosure are improved.

The embodiment of the utility model provides a sandwich panel for a refrigeration house, which comprises an upper-layer panel, a lower-layer panel, an upper-layer panel and a lower-layer panel, wherein the upper-layer panel is used for providing an upper closed structure and bearing a cold air environment; the lower-layer panel is parallel to the upper-layer panel and is used for providing a lower sealing structure and a supporting effect; the skeleton frame is connected between the upper-layer panel and the lower-layer panel, and the skeleton frame is of a crossed truss structure and is provided with diagonal bracings; the heat insulation core layer is filled between the upper-layer panel and the lower-layer panel and is used for preventing heat transfer; the edge sealing piece is fixedly connected to the outer side edge of the sandwich panel; beam strips of the skeleton frame are of a multi-cavity structure, a plurality of sets of independent cavities are formed in the beam strips, reinforcing ribs are embedded between the beam strips of the skeleton frame to enhance the bearing capacity, and the outer portion of the skeleton frame is covered with an anti-corrosion coating. Through the scheme of the embodiment of the invention, the bearing capacity and the anti-seismic property can be improved.

The invention discloses a plate hole digging and implanting device which comprises a machining table used for bearing a foaming plate. The portal frame carries the pressing roller to move in the X-axis direction; the frame sliding rail assembly carries a plurality of belt planting devices and is dynamically connected to the portal frame; the seed belt device comprises a belt conveying disc, a rolling and pulling unit, a belt pulling assembly, a belt pressing assembly, a tool apron assembly and a cutting assembly. The punching assembly is used for forming holes in the foaming plate; according to the invention, the fiber bands can be regularly implanted into the foam board, the connection mode that sandwich board layers are connected only by gluing is fundamentally changed, the implanted fiber bands can form a firmer connection relation with the upper and lower skins after being compounded and cured, and the interlayer peeling strength and the overall structure stability are greatly improved; the phenomena of layering and bulging in use are effectively avoided; the whole operation process is high in integration level, trepanning, traction, bending press-in and cutting-off are all automatically completed, the production efficiency is high, the implanting position and depth are accurate and consistent, and the uniformity of product quality is guaranteed.

The utility model discloses a sandwich partition board connecting device which comprises a base, a support and a supporting seat, a leveling mechanism is arranged between the base and the supporting seat, a supporting part is connected above one end of the supporting seat, a threaded sleeve is rotatably connected to the supporting part, a threaded rod is connected in the threaded sleeve, and a limiting mechanism used for preventing the threaded rod from rotating is arranged between the support and the supporting part. The leveling mechanism comprises a first connecting rod and a second connecting rod, the first connecting rod is hinged to the second connecting rod, the ends, away from each other, of the first connecting rod and the second connecting rod are hinged to the base and the support correspondingly, a plurality of first transmission shafts are rotationally connected to the upper portion of the base, and a plurality of first motors matched with the first transmission shafts are connected to the base. An adjusting rod is rotatably connected between the rotating handle and the first connecting rod, and the end, away from the rotating handle, of the adjusting rod is hinged to the center of the first connecting rod. According to the clamping device, the horizontal position of the supporting plate at the clamping end can be calibrated, and the clamped sandwich panel can be in the state of being perpendicular to the ground.

The utility model discloses a detachable wall boundary node structure which comprises a thick rock wool sandwich board, two corner fittings, a purline and sealant, the thick rock wool sandwich board comprises a fixed part and a detachable part, a board seam is formed between the fixed part and the detachable part, the two corner fittings are arranged in the board seam, and the purline is arranged in the board seam. Wherein one corner fitting is connected with the fixed part, the other corner fitting is connected with the detachable part, the purline comprises a protruding part and two installation parts arranged on the two sides of the protruding part respectively, and a structure shaped like a Chinese character'ji 'is formed between the protruding part and the two installation parts. According to the utility model, not only are the construction difficulty and the construction cost reduced, but also additional materials for decorating the edge-closing plate are not needed, and the phenomenon of bulges on the surface of a wall body is avoided, so that the flat and simple appearance effect of an aluminum curtain wall is achieved.