1619 results about "Single plate" patented technology

The invention relates to the technical field of aluminum veneer laser cutting, in particular to aluminum veneer laser cutting forming equipment which comprises a bottom supporting frame, a plurality of longitudinally and evenly arranged bottom supporting plates are evenly arranged in the bottom supporting frame, a U-shaped frame is slidably connected to the top of the bottom supporting frame, and a movable laser head is installed at the bottom of the longitudinal section of the U-shaped frame. Edge pressing mechanisms are symmetrically arranged at the left and right ends of the top of the bottom supporting frame, and a part processing mechanism is arranged on the right side face of the longitudinal section of the U-shaped frame. The knocking component is adopted for knocking the special-shaped small-size part on the right side of the laser cutting position of the movable laser head, so that the cutter receiving position connecting position between the special-shaped small-size part and the aluminum veneer is loosened, and the tamping component conveniently tamps the loosened special-shaped small-size part and thoroughly separates the loose special-shaped small-size part from the aluminum veneer; and therefore, the special-shaped small-size parts separated from the aluminum veneer can fall between the two bottom supporting plates and further fall into the collecting frame, and the time needed for collection is shortened.

The invention discloses a plywood veneer gluing and conveying device, and belongs to an automatic material conveying device. The device mainly comprises a rack, the rack comprises a bottom plate, a lifting assembly is arranged on the bottom plate, a side plate is fixedly connected to the top of the bottom plate, a limiting groove is fixedly formed in the inner wall of the side plate, a grabbing assembly is fixedly connected to the top of the side plate, a conveying table is fixedly arranged on one side of the rack, and a carrying assembly is arranged on the conveying table and comprises a hydraulic push rod, a guide plate and a carrying frame. The hydraulic push rod is fixedly connected with the conveying table, an extension rod of the hydraulic push rod is fixedly connected with a push plate, the guide plate is fixedly connected with the conveying table, and a centering fixing assembly is arranged on the carrying frame. The lifting assembly is arranged to gradually push a plate material pile upwards, the grabbing assembly and the carrying assembly are matched to take out veneers on the top layer from the material pile and place the veneers on the conveying table, the veneers continue to be conveyed downwards to a gluing operation site, unstacking operation is automatically completed, and the labor intensity of workers is relieved. The conveying device is mainly used for conveying the plywood veneers.

The invention relates to the technical field of hydrogen fuel cells, in particular to a porous channel heat dissipation structure matched with a bipolar plate of a hydrogen fuel cell, the porous channel heat dissipation structure comprises a sealing outer frame and a bipolar plate body, the interior of the sealing outer frame is fixedly connected with the outer wall of the bipolar plate body, the bipolar plate body comprises an anode single plate and a cathode single plate, a working gas inlet hole is formed in the outer wall of the top of the bipolar plate body; the cooling device has the beneficial effects that uniform mixing of ethylene glycol and the cooling liquid is further improved by stirring the cooling liquid, meanwhile, the flowing speed and turbulivity of the cooling liquid can be increased by stirring the cooling liquid, heat can be taken away more quickly by the cooling liquid, slow flowing of the cooling liquid in the cooling tank is avoided, and the cooling effect is improved. Correspondingly, the flow velocity of the cooling liquid is increased through the arrangement of the rotating blades, so that the effect that the cooling liquid drives heat on the bipolar plate body is improved, and bubbles generated by ethylene glycol can be broken through the shearing acting force of the rotating blades and are converted into smaller bubbles.

The invention provides an aluminum veneer special-shaped cutting track planning method and system based on visual localization, and relates to the technical field of visual localization, and the method comprises the steps: employing an anisotropic guide filter to carry out the preprocessing of an aluminum veneer image, and maintaining the edge features through multi-scale filtering and adaptive weight fusion; carrying out edge enhancement treatment by combining material characteristics; extracting contour features by using a non-uniform rational B-spline contour descriptor, wherein the density of control points and the local curvature are in an exponential relationship; and finally, a cutting track is generated based on the feature processing network, and accurate cutting control over the special-shaped contour of the aluminum veneer is achieved.

The invention discloses a laser cutting machine feeding and discharging device, and relates to the technical field of laser cutting feeding and discharging, the laser cutting machine feeding and discharging device comprises a cutting cover and a laser cutter arranged in the cutting cover, one side of the cutting cover is provided with a cutting material placing table, and a feeding assembly is erected above the cutting material placing table; the feeding assembly comprises a support rail erected on the cutting cover, an adsorption part moving on the support rail and blowing parts arranged at the two ends of the adsorption part. The adsorption part comprises a fixing frame, two adjusting frames and a driving assembly for driving the fixing frame and the adjusting frames to move up and down, the blowing parts are used for blowing air to the interlayer of the plate so as to damage the interlayer adsorption force and ensure that the single plate is separated, the blowing parts are integrated at the two ends of the adsorption part, and air outlets of the blowing parts are accurately aligned with gaps formed by lifting on the two sides. Bidirectional synchronous blowing is achieved, the airflow coverage range is widened, vacuum adsorption is thoroughly damaged, and the problem that a plate falls off from the adsorption disc is effectively solved.

The invention belongs to the technical field of aluminum veneer machining, and particularly relates to aluminum veneer trepanning equipment which comprises a frame-shaped machine table, an industrial control cabinet is arranged on one side of the frame-shaped machine table, the aluminum veneer trepanning equipment further comprises a left movable frame, a right movable frame, a plurality of tapping drill bits and a plurality of tapping drill bits, the left movable frame is arranged on the outer side of the frame-shaped machine table in a sleeving mode, and the tapping drill bits are arranged in the left movable frame; a right movable frame is arranged on the outer side of the frame-shaped machine table in a sleeving mode, and a plurality of stamping die heads of different models are arranged in the right movable frame. The stamping and tapping functions are integrated, bottom hole stamping and tapping are synchronously carried out, time waste is reduced, the working efficiency is improved, stamping and tapping positions can be flexibly adjusted and controlled, a die does not need to be specially manufactured, use is flexible, the application range is wide, meanwhile, the tapping drill bit and the stamping die head can be switched according to machining requirements, shutdown for tool changing is not needed, and the machining efficiency is improved. And stable pre-pressing can be carried out at the hole forming position, and deformation of the hole forming position is avoided as much as possible.

The invention discloses a bamboo longitudinal and wood transverse composite whole container bottom plate and a preparation method thereof, and belongs to the field of bamboo-wood composite materials. The bottom plate is of a seven-layer alternate paving structure and is formed by compositing transverse wood veneer layers and longitudinal radial bamboo curtain layers, wood veneers are made of lignin modified polyurethane adhesive (reinforced by nano-silicon dioxide), and bamboo curtains are made of bamboo fiber nano-crystal reinforced soybean protein adhesive (cross-linked by genipin). Through continuous paving, fixed-length saw cutting and a'cold-in-cold-out 'hot pressing process (the pressure is 1.5-8.0 MPa, and the temperature is 140-220 DEG C), whole-piece production of any length is achieved. According to the technology, the bamboo-wood interface bonding problem is solved, the bending strength reaches 120 MPa, the interlayer shear strength is 7.8 MPa, the strength retention rate after damp-heat aging resistance is 90%, the formaldehyde emission is smaller than or equal to 0.05 mg / m < 3 >, the bio-based carbon content is 85%, high strength, weather resistance and environment friendliness are achieved, a traditional spliced container bottom plate can be replaced, the material utilization rate is increased by 20% or above, and the manufacturing cost is remarkably reduced.

The invention belongs to the technical field of textile materials and processing, and relates to a polyester fine denier porous fiber veneer production method which comprises a spinning assembly spinning procedure and a cooling procedure, and first-stage circular air blowing cooling, second-stage circular air blowing cooling and side air blowing cooling are sequentially carried out during cooling; at the junction of the cross air blowing cooling area and the side air blowing cooling area, the hot air flowing downwards from the cross air blowing cooling area and influencing the side air blowing cooling effect is cooled, and downward movement of the hot air is stopped; and the specification of the polyester fine denier porous fiber is 368 to 580dtex / 548 to 576F. Cooling is carried out in three stages, parameters such as the circular blowing air pressure are reasonably set, the problems of doubling, broken filaments, broken ends, yarn unevenness increase and the like caused by improper circular blowing air pressure are solved, and the fiber quality problem is effectively reduced.

The invention relates to the technical field of aluminum profile cutting, in particular to a cutting platform for aluminum profile production, which comprises a workbench and a plasma cutting device, the workbench is provided with a moving mechanism, the cutting platform further comprises a grid mechanism and a cleaning mechanism, and the grid mechanism is slidably arranged on the workbench; the grid bar mechanism comprises a sword grid bar, a supporting plate, a sealing plate, a telescopic component a and a clamping block; l-shaped plates are arranged at the two ends of the sword grid bars; the sealing plate is connected with the L-shaped plate on one side; a telescopic part a is arranged on the L-shaped plate on the other side; the output end of the telescopic part a is connected with the clamping block; the cleaning mechanism comprises a gas collecting box, a recycling box, a grinding roller, a grinding plate and a control assembly. The polishing roller is rotationally arranged at the top end of the recycling box; one end of the polishing roller is connected with a motor a; the control assembly is arranged in the recycling box and connected with the grinding plate. The gas collecting box is detachably connected with the recycling box; through the arrangement of the cleaning mechanism and the grid bar mechanism, the cleaning function of bottom adhering slag and section adhering slag of the aluminum veneer can be achieved, and meanwhile inert gas is recycled.

The invention relates to the technical field of curtain walls, in particular to a curtain wall aluminum veneer which comprises a plurality of vertical keels and a plurality of transverse keels, each vertical keel is provided with a connecting section, each connecting section is provided with a first through groove, and the two ends of each transverse keel are located in the first through grooves of the two vertical keels respectively. The aluminum veneer bodies are connected to the two transverse keels which are adjacent up and down in a clamping manner; the first limiting and fixing mechanisms are symmetrically arranged on the two sides of the transverse keel and used for limiting and fixing the position between the aluminum veneer and the transverse keel and the position between the vertical keel and the transverse keel after the aluminum veneer body is installed. The curtain wall aluminum veneer is more convenient to install, a large number of bolt installation modes are avoided, the installation process is simplified through the clamping mode, and the installation efficiency is improved.

The invention discloses a hyperboloid plate finished product acceptance inspection detection method and system, and belongs to the technical field of plate detection. Ideal required hyperboloid plates and actual hyperboloid plates are respectively divided into a plurality of ideal single curved plates and a plurality of actual single curved plates, and corresponding ideal single-plate three-dimensional point cloud models and actual single-plate three-dimensional point cloud models are obtained; after multiple matching point pairs are obtained and pose alignment is carried out, the qualification condition of the actual hyperboloid plate is analyzed according to the curvature deviation of each matching point pair, overall detection is converted into local single plate analysis, a detection blind area caused by hyperboloid geometric complexity is effectively solved, the pose deviation between the actual model and the ideal model is eliminated through pose alignment, and the detection accuracy is improved. Consistency of comparison references is ensured, and detection accuracy is improved.

The invention belongs to the technical field of plate stacking, and particularly relates to an intelligent identification, sorting and stacking device for log rotary cut veneer quality grading, which comprises a stacking module arranged at the tail end of a conveying track; the stacking module comprises a base, a hydraulic oil cylinder, a limiting piece and side plates connected to the two ends of the base in a sliding mode. The bearing plate moves upwards, the sliding blocks are tensioned through the ropes, the sliding blocks slide in the outer sliding rails, when the sliding blocks slide towards the bearing plate from the direction of the side plate, the symmetrically-arranged deviation rectifying units can pull the two sliding blocks through the ropes with the same length, the two sliding blocks synchronously move by the same distance, deviation rectifying is conducted on the deviated rotary-cut veneer, and the deviation rectifying unit is matched with the swing rod, so that deviation rectifying is conducted on the rotary-cut veneer. In the process that the two sliding plates oppositely slide to be gradually close to each other, a swing rod rotationally connected to the outer side can drive the swing rod to be gradually close to the rotary-cut veneer, and longitudinal deviation correction is conducted on the rotary-cut veneer, so that transverse and longitudinal bidirectional deviation correction on the rotary-cut veneer is achieved, and the center of the rotary-cut veneer is aligned to the center of the bearing plate.

A method for manufacturing a probe head for the functionality testing of devices under test (DUT) is disclosed. The method includes providing a containment element, arranging a lower guide at a lower face of the containment element which faces toward the devices under test during the test, and arranging an upper guide at an upper face of the containment element. The containment element is interposed between the lower and upper guides which are initially in the shape of a single plate connected to the containment element. The method further includes cutting the lower and / or upper guide thereby defining a plurality of guide portions that are independent and separated from each other, and inserting a plurality of contact elements into respective guide holes formed in the guides. The contact elements are adapted to contact pads of the devices under test. A probe head obtained by the method is also disclosed.

The manufacturing method of the laminated directional batten bearing type bamboo-wood composite material comprises the following steps: (1) preparing raw materials; the whole chordwise bamboo strip mat, the radial bamboo strip curtain, the directional battens and the wood veneers are prepared according to process requirements, and wear-resistant layer materials are selected. And (2) paving a plate blank. And paving the whole-piece wood veneer, the non-whole-piece wood veneer, the radial bamboo split curtain, the directional batten, the radial bamboo split curtain, the non-whole-piece wood veneer, the whole chordwise bamboo split mat and the wear-resistant layer in sequence from bottom to top. And (3) hot press molding. The hot press can be an intermittent single-layer hot press or an intermittent multi-layer hot press; the hot pressing mode is a'cold feeding-cold discharging 'hot pressing forming process, namely the procedures of'feeding, heating, heat preservation and hot pressing, cooling and pressure relief and discharging'; the hot pressing process is divided into three stages, namely pressure boosting, pressure maintaining and unloading, in the pressure maintaining stage, the unit pressure of a press is 1.5-8Mpa, and the temperature of a hot pressing plate is 140-220 DEG C. And (4) longitudinally and transversely cutting edges to be processed into specification materials. And the thickness is 15-40mm, the common breadth is 1220 * 2440mm, and a specific breadth can be made as required. The bamboo-wood composite board has the advantages that bamboo wood and wood are used as main raw materials, leftover materials obtained through wood processing are combined, the physical and mechanical properties of the product are better than those of natural wood boards or other wood-based artificial board materials, and the bamboo-wood composite board can be widely applied to vehicle and ship bottom boards, container bottom boards and boards in other load-bearing occasions.

The utility model discloses a loader front frame and a loader, and belongs to the technical field of engineering machinery. The loader front frame comprises a front middle beam, a left side box and a right side box, the left side box and the right side box are fixedly arranged at the two ends of the front middle beam respectively in a mirror symmetry mode, and an upper hinge seat and a lower hinge seat which are distributed at intervals are fixedly arranged between the two wing boxes. The side box comprises an inner side plate and an outer side plate, the inner side plate and the outer side plate are parallel to each other, the inner side plate and the outer side plate are both connected to the axle through the rib plate, a double-plate stress side box structure is formed, and meanwhile integrated connection of the front frame and the axle is achieved. According to the double-plate stress structure, the problem that the connecting part is weak due to existing single-plate stress is solved, the rib plates are used for replacing an existing bolt connecting mode, integrated connection of the front frame and the axle is achieved, the overall connecting strength is improved, and the impact load of the whole vehicle and materials is greatly reduced.

The utility model relates to the technical field of aluminum veneers, in particular to an aluminum veneer spraying and drying device. Comprising an open drying box; a first supporting and protecting assembly is fixedly installed in the open drying box, a second supporting and protecting assembly is fixedly installed at the top of the first supporting and protecting assembly, second threaded grooves are formed in the left side and the right side of the open supporting box, a connecting long hole is formed in the front side of the open drying box, and an opening and closing assembly is fixedly installed on the front side of the open drying box. A drying assembly is fixedly mounted at the top of the open drying box, and a ventilation assembly is fixedly mounted in a box body of the open drying box; a residue collecting assembly is movably installed in the open drying box, an anti-friction assembly is fixedly installed at the bottom of the first supporting and protecting assembly, a third threaded groove is formed in the front side of the open drying box, and a limiting assembly is fixedly installed on the outer side face of the open drying box. The technical problems that a spraying layer on the aluminum veneer is prone to being damaged, and use is inconvenient are solved.

The application belongs to the technical field of building outer wall decoration, and particularly relates to a building outer wall aluminum veneer. The building outer wall aluminum veneer comprises a square shell, a circular notch is formed on the front face of the square shell, limit notches are formed on the four side walls of the square shell, and the circular notch and the four limit notches are in communication with each other; a sliding rod is fixedly arranged in the middle of the interior of the square shell, a limit disc is fixedly arranged at the end of the sliding rod; a control face disc is arranged on the circular notch in a matched mode, a limit tube is fixedly arranged in the middle of the back face of the control face disc, and a limit ring is fixedly arranged in the tube opening of the limit tube towards the interior; the square shell can be quickly fixed, and the adjacent limit fixing mechanisms can be limited, so that the problem of accidental falling of the square shell is prevented; the building outer wall aluminum veneer is convenient to quickly install and disassemble, so that the single building outer wall aluminum veneer is convenient to maintain; and the problem of accidental touch of the control face disc is prevented.

The surface treatment device comprises a machining table, two first vertical plates are fixed to the top of the machining table, supporting plates are fixed to one sides of the first vertical plates, a wave-shaped aluminum veneer is arranged between the two supporting plates, and storage grooves are formed in the supporting plates; the two sides of the wave-shaped aluminum veneer can be embedded into the containing grooves, a U-shaped plate is arranged on the outer side of one supporting plate, and two cover bodies are arranged in the U-shaped plate. When a U-shaped plate moves on the outer side of the waved aluminum veneer, at the moment, a roller rolls on the surface of the waved aluminum veneer, the U-shaped plate rotates on a connecting column along with the fluctuation change of the waved aluminum veneer, and a moving plate moves up and down on a guide rod along with the fluctuation change of the waved aluminum veneer. And therefore, the roller always rolls on the surface of the waved aluminum veneer, the distance between the spray head and the surface of the waved aluminum veneer is constant, and the spraying uniformity is ensured.

The invention relates to the technical field of building curtain walls, and particularly discloses an aluminum plate curtain wall structure and a construction method.The curtain wall structure comprises a keel frame, mounting strips, aluminum single plates and a sealing frame, the mounting strips are fixedly connected with the keel frame, symmetrical retaining walls are arranged on the mounting strips, limiting grooves are formed in the outer sides of the retaining walls, buckling grooves are formed in the retaining walls in the length direction, and the aluminum single plates are arranged in the buckling grooves. Bending plates are arranged on the side edges of the aluminum single plates, elastic cantilevers matched with the buckling grooves are arranged on the bending plates, elastic hook plates are arranged on the side edges of the sealing frame, inserting grooves are formed in the elastic cantilevers, and the elastic hook plates and the inserting grooves are connected in an inserted mode and then connected in a hooked mode. The modular prefabricated design is adopted, rapid splicing and mounting can be achieved, the construction technology is simplified, the construction efficiency is remarkably improved, the visual effect is improved, the site cutting and welding procedures are reduced, site stacking disorder is reduced, site construction management is convenient, the aluminum single plates can be detached from the side edges only by detaching the sealing frame, detaching is convenient, and the cost is low. The later maintenance work is facilitated, and the maintenance cost and difficulty are reduced.

The invention discloses a laser cutting unit based on an aluminum veneer machining robot and a cutting method, and relates to the technical field of laser cutting, the laser cutting unit comprises a laser cutting rack, a laser module is arranged at the top of the laser cutting rack, and a moving module used for driving the laser module to move is arranged on the outer side of the laser cutting rack; according to the scheme, a three-dimensional and all-directional cleaning system covering the side face and the inclined face of the nail plate is constructed through cooperative work of the side face cleaning piece and the inclined face cleaning piece, it is ensured that no matter where the slag is attached to the nail plate, the slag can be effectively removed, supporting protrusions caused by local slag are fundamentally eradicated, and the service life of the nail plate is prolonged. And an almost ideal leveling reference is provided for laser cutting, and the method is a decisive link for guaranteeing the final cutting precision.

The invention discloses an aluminum veneer welding device and belongs to the technical field of aluminum veneer welding, the aluminum veneer welding device comprises a swing welding assembly, a welding plate assembly, a welding table and an aluminum veneer fixing device, the welding plate assembly is arranged on the welding table, and the swing welding assembly is arranged on the welding table and located above the welding plate assembly; and the aluminum veneer fixing device is arranged on the welding plate assembly. In the welding process of the welding device, the welding head is driven to swing in a small range through the guiding swing device, meanwhile, the swing range of the welding head is changed by rotating an adjusting knob according to the size of a welding seam, and the technical effect of conducting fish scale welding on the welding seams of different sizes is achieved; by rotating the angle adjusting wheel disc, the adjustable welding plate and the welding guide frame are driven to rotate, it is guaranteed that the welding needle is located in the center of the included angle of a welding seam, meanwhile, multi-angle welding of the aluminum single plate is achieved, the aluminum single plate is fixed through the baffle and the rubber downward pressing rod, and the aluminum single plate is prevented from deviating in the welding process.

The invention relates to the technical field of non-cutting machining of metal plates, in particular to a bending integrated forming device and method for aluminum veneers, and the bending integrated forming device for the aluminum veneers comprises a workbench, a portal frame, bending modules with adjustable intervals, a bending structure, a rotating structure and an adsorption structure. The bending structure comprises a trapezoidal bending plate, a second bending plate and a first bending plate, and three-stage bending is achieved through synchronous movement driven by a bidirectional transmission mechanism. The rotating structure comprises a hollow rotating disc and a one-way bearing and is used for turning the plate by 90 degrees. The adsorption structure fixes a plate through a vacuum generation device; the forming method comprises the steps of plate placing and positioning, bending module pressing, negative pressure adsorption, multi-stage bending execution, module splitting and resetting, steering control and remaining edge bending. According to the scheme, multi-direction integrated bending of the aluminum veneer can be efficiently completed, grooving is avoided, and the product precision and strength are improved.

The invention relates to the technical field of constructional engineering, in particular to a building formwork which comprises formwork single plates and connecting pieces, every two adjacent formwork single plates are spliced and connected through the corresponding connecting piece, round clamping bases are arranged on the two sides of each connecting piece, clamping holes allowing the round clamping bases to be inserted in a matched mode are formed in the four sides of each formwork single plate, and locking mechanisms are arranged on the end faces of the round clamping bases. A pushing mechanism is arranged on the face, not making contact with concrete, of the single formwork plate, the locking mechanism comprises traction arms and clamping arms, a guide rod is fixed to the end face of the circular clamping base, the guide rod is sleeved with a ring sleeve in a sliding mode, the multiple traction arms are hinged to the ring sleeve, the multiple clamping arms are hinged to the circular clamping base, and the traction arms are hinged to the clamping arms in a one-to-one correspondence mode. When the ring sleeve is pushed to move through the pushing mechanism, the joint of the traction arm and the clamping arm protrudes towards the periphery in an expanding mode and abuts against and is matched with the port of the clamping hole to form mechanical locking, and when the pushing mechanism is operated, a special tool does not need to be used, and a traditional wedge-shaped clamping piece is replaced for locking.

The utility model discloses a single board detection tool for an electric energy meter, which relates to a single board and comprises a bearing seat arranged on the outer side of a mounting frame, a clamping assembly arranged on a test board and a moving assembly arranged on the test board. The clamping assembly can extract the single board and turn over the single board, and the moving assembly can make the clamping assembly move between the bearing seat and the probe board in a reciprocating mode. According to the utility model, through the arrangement of the bearing seat, the single board is firstly placed on the outer side of the mounting rack, the single board can be automatically placed on the probe board through the extraction of the clamping assembly and the movement of the moving assembly, the single board can be taken out through the extraction of the clamping assembly and the movement of the moving assembly after detection, the manual operation alignment is mechanically realized, the action speed is accelerated, and the working efficiency is improved. Meanwhile, the front faces of the veneers are placed upwards, and damage to parts on the front faces of the veneers due to extrusion can be avoided.

The invention discloses a high-low voltage power distribution cabinet heat dissipation structure and a power distribution cabinet, and particularly relates to the field of power distribution cabinet heat dissipation structures, the high-low voltage power distribution cabinet heat dissipation structure comprises a power distribution cabinet side plate, the power distribution cabinet side plate comprises a first component and a second component which can relatively move up and down, any one of the first component and the second component is fixed with a power distribution cabinet bottom plate, and the other one is fixed with a power distribution cabinet top plate; the heat dissipation opening is formed in the side plate of the power distribution cabinet, the heat dissipation area of the heat dissipation opening is increased along with the relative separation of the first component and the second component, the first component is a batch of single plates fixed to the bottom plate of the power distribution cabinet, the second component is another batch of single plates fixed to the top plate of the power distribution cabinet, and the first component and the second component are arranged in a staggered mode; according to the invention, the heat dissipation efficiency of the power distribution cabinet under high load is improved by designing a structure with an adjustable heat dissipation area, and the heat dissipation efficiency is further improved by combining air cooling and water cooling with a cooling pipeline laying system with a freely adjustable path.

The utility model relates to the technical field of aluminum veneers, in particular to a curtain wall aluminum veneer with a telescopic folding structure, which comprises a connecting frame, a plurality of aluminum veneers are movably connected in the connecting frame, the improved curtain wall aluminum veneer extrudes a butt joint plate through adjacent plate bodies, and the butt joint plate extrudes a buffer spring for displacement. The situation that the whole curtain wall deforms due to stress between the plate bodies is avoided, a locking pin is inserted into a butt joint hole, a clamping block is extruded into a spring groove, the clamping block can extrude a reset spring, after a trapezoidal block at the end of the locking pin passes through the clamping block, the clamping block is reset under the action of the reset spring, splicing of the two plate bodies is achieved, and the splicing efficiency is improved. The plate bodies are integrated into a whole in cooperation with the connecting frame, if one plate body is disconnected with the adjacent plate body, the connecting frame can prevent the whole curtain wall from collapsing, and the whole structure of the curtain wall is more stable.

The utility model provides a bending device for aluminum veneer processing, which relates to the technical field of bending and comprises a processing table, side plates are fixedly mounted on two sides of the upper surface of the processing table, a top plate is fixedly mounted between the top ends of the two side plates, a guide plate is slidably mounted between the two side plates, and a bending knife is fixedly mounted on the lower surface of the guide plate. A first hydraulic cylinder is fixedly installed on the upper surface of the top plate, the output end of the first hydraulic cylinder is arranged on the upper surface of the guide plate, a positioning assembly is arranged on the upper surface of the machining table, and a limiting plate is installed on the other side of the upper surface of the machining table in a sliding mode. At the moment, the pressing plate can be driven to move downwards, the pressing plate is attached to the upper surface of the aluminum veneer, the aluminum veneer is arranged between the pressing plate and the mounting plate, the aluminum veneer is fixed, the position accuracy of the aluminum veneer during bending is guaranteed, and the bending efficiency of the aluminum veneer is guaranteed.

The invention discloses a hydrogen fuel stack structure, which comprises a plurality of fuel cell monomers arranged in a laminated manner, each fuel cell monomer comprises a polar plate, the front surface of each polar plate is provided with an air flow channel groove, the back surface of each polar plate is provided with a hydrogen flow channel groove, and each polar plate is provided with a plurality of cooling holes. The cooling holes penetrate through the front surface and the back surface of the polar plate, and the plurality of cooling holes are distributed in the peripheral sides of the hydrogen flow channel groove and the air flow channel groove. The hydrogen flow channel grooves and the air flow channel grooves are formed in the front faces and the back faces of the polar plates, the polar plates are directly provided with the cooling holes for cooling, the single-plate three-channel structural design is achieved, the overall structure is simple, the weight of the hydrogen fuel stack structure can be obviously reduced, and the lightweight development of the battery is facilitated.

The invention discloses curtain wall aluminum veneer polishing machining equipment, and particularly relates to the technical field of building decoration material machining, the curtain wall aluminum veneer polishing machining equipment comprises an equipment frame, a conveyor and a polishing assembly are mounted on the equipment frame, an aluminum veneer is placed on the conveyor, a limiting rotating seat is mounted in the conveyor, and the polishing assembly is mounted on the limiting rotating seat; the limiting rotating seat is used for driving the aluminum veneer to rotate along the conveyor; and the feeding assembly comprises a material storage box fixed to one end of the conveyor and a supporting plate installed in the material storage box in a sliding mode, and two symmetrical connecting lugs are installed on the supporting plate. Through the arrangement of the feeding assembly, aluminum veneers can be stably placed in the storage box, the aluminum veneers can be prevented from shaking in the placing process, and therefore the problem that in the prior art, workpieces can swing when lifted, consequently, the workpieces are likely to collide with a feeding component, and scratches or deformation can be possibly generated is solved; and the workpiece machining effect of machining equipment is improved.

The invention relates to the technical field of plywood cold pressing, and discloses a plywood cold pressing glue cold pressing process which comprises the steps of wood board slitting, wood board drying, veneer gluing, blank assembling and cold pressing, the assembled boards are placed on a cold press, the assembled blanks are pressed through the cold press with the stable pressure, the pressure is kept at 1.2 MPa, the pressing time is 4-12 hours, the assembled blanks are turned over, and the plywood cold pressing glue cold pressing process comprises the steps of wood board cutting, wood board drying, veneer gluing, blank assembling and cold pressing. The back side of the group blank is pressed, the pressure is kept at 1.2 MPa, the pressing time is 2-6 hours, the plate stands for 24-48 hours after pressure relief, and the adhesive is completely cured. According to the cold pressing technology for the cold pressing glue of the plywood, through pressing fit of the upper side and the lower side of the plywood, the plywood is attached more tightly, the veneers of the plywood are not prone to cracking and separating, the plywood is not prone to deformation due to double-face pressing fit, and the quality of the plywood is improved.