22results about How to "Reduce thermal deformation" patented technology

The application provides a high-hypersonic wind tunnel piece water-cooled hinge torque balance measurement system and belongs to the technical field of wind tunnel test measurement.The application aims to solve the problem that the rudder surface is difficult to be externally cooled due to thin structure and the hinge torque is difficult to be measured in the prior art.The aircraft fuselage is connected with the aircraft wing and the piece water-cooled hinge torque balance in the application.The top and bottom of the piece water-cooled hinge torque balance are respectively provided with a balance upper cover plate and a balance lower cover plate.The upper end surface of the balance lower cover plate is flush with the aircraft fuselage.The balance free end, the balance measurement element and the fuselage mounting base of the piece water-cooled hinge torque balance are sequentially connected.The balance free end is connected with the measured rudder surface through an angle ear.The balance measurement element is pasted with a strain gauge, and the balance measurement element is internally provided with a water-cooled groove circuit.The application solves the problem that the measurement precision is greatly reduced due to high temperature in the high-hypersonic wind tunnel test, and the rudder surface is difficult to be externally cooled due to thin structure and the hinge torque is difficult to be measured.

The cable printing device comprises a printing mechanism, the printing mechanism comprises a cleaning assembly, a mounting plate and a printing wheel, and the printing wheel is mounted on the mounting plate; the cleaning assembly comprises a brush plate and a position adjusting screw rod, the brush plate is installed on one side of the printing wheel, one end of the position adjusting screw rod is connected to the installation plate, the brush plate is in threaded connection with the position adjusting screw rod, bristles are further arranged on the brush plate, and the face, provided with the bristles, of the brush plate faces the printing wheel. Through the arrangement of the cleaning assembly, impurities on the side wall of the printing wheel are effectively cleaned, the situation that characters printed on the cable are not clear or incomplete is reduced, and therefore the percent of pass of the cable is effectively improved; and through the arrangement of the cooling mechanism, the thermal deformation of characters printed on the cable is effectively reduced, so that the aesthetic degree and the qualified rate of the cable are improved.

This utility model relates to the field of semiconductor component manufacturing technology, and particularly to an ejection mechanism for a wafer heating plate, comprising a heating plate, a base plate, a vertical plate, a sliding cylinder, a connecting plate, and support columns. The heating plate is positioned above the base plate, and the sliding cylinder is positioned below it. A central circle is located in the middle of the heating plate, where the wafer is placed. The center of the central circle is concentric with the center of a circular hole. The sliding cylinder is connected to the base plate via the vertical plate, and the vertical plate and base plate are connected by a locating pin. Three support columns are positioned above the connecting plate at the top of the sliding cylinder, with the tops of the columns inserted into through holes in the heating plate. This utility model uses ceramic support columns to lift the wafer from below. Ceramic material has excellent high-temperature resistance and minimal thermal deformation, improving the stability of the mechanism. The sliding cylinder is connected to the base plate and located away from the heating plate area, avoiding the impact of the high temperature of the heating plate on the performance of the sliding cylinder. A speed control valve controls the lifting speed of the support columns, improving the smoothness of the lifting process.

This utility model discloses a busbar trunking cutting and shearing device, applied in the field of power distribution equipment processing technology. It includes a trunking plate B, with side plates B slidably connected to both sides of the inner wall of the trunking plate B. A connecting rod B is bolted to opposite sides of the two side plates B. Sliding sleeves are bolted to the top and bottom of the connecting rod B. This utility model uses concentric clamping to evenly distribute cutting stress, avoiding twisting or local deformation of the busbar trunking due to unilateral force, maintaining the geometric accuracy of the conductor arrangement, effectively offsetting vibrations generated by the contact between the tool and the material during cutting, reducing the risk of chipped edges, and avoiding tilted or stepped cross-sections caused by workpiece offset. Timely separation avoids slippage or tipping of the cut piece due to gravity and mechanical stress, reducing secondary injuries such as pinching and collisions. The separation action reduces continuous friction between the cutting surface and the tool, preventing the expansion of burrs and extending the tool's service life.

This utility model discloses a tooling for a cooling device of a spiral wound pipe flaring mold, relating to the field of pipe forming mold technology. It includes a lower mold, an upper mold, a mold core, and a forming mold. The lower and upper molds are symmetrically arranged vertically and are closed by external pneumatic pressure, forming a hollow mold cavity in the middle. The mold core is located at the center of the mold cavity, and a forming cavity for forming the molded part is formed between the mold core and the inner walls of the upper and lower molds. The forming mold is symmetrically divided into upper and lower parts, which are respectively fixedly installed on one side of the lower and upper molds. The spiral flow channel groove of the ring in this utility model extends the cooling water path and enhances heat exchange efficiency. The positioning pin connecting the lower mold and the positioning hole connecting the upper mold cooperate to avoid misalignment. The external pneumatic component drives the lower and upper molds to close, reducing manual intervention.

This invention relates to the field of plasma spraying, and more particularly to a method and apparatus for localized precision spraying in plasma spraying. The technical solution is as follows: For forming a coating on a target area of ​​a workpiece, it includes the following steps: Step 1: Enclosing and positioning. Based on the shape and size of the area to be sprayed on the workpiece, a surrounding ring with a matching inner diameter is selected. The surrounding ring is installed on a fixed ring, and the surrounding layer of the surrounding ring is tightly fitted to the workpiece surface so that the spraying space only covers the target area. This invention, through replaceable surrounding rings, can customize the enclosing of local areas of workpieces of different sizes and shapes, ensuring that the spraying operation only acts on the target area, avoiding waste of coating material and contamination of non-target areas of the substrate, achieving localized precision spraying. The heat-resistant ceramic surrounding layer and the ceramic ring form a thermal barrier during the spraying process.

The utility model relates to the technical field of transmission rollers, and discloses a waterproof and dustproof chamfering grinding wheel rotor assembly which comprises a grinding wheel bearing seat, deep groove ball bearings are evenly arranged in an inner cavity of the grinding wheel bearing seat, outer rings of the deep groove ball bearings are fixedly connected with the inner cavity of the grinding wheel bearing seat, inner rings of the deep groove ball bearings are fixedly sleeved with a grinding wheel shaft, and the grinding wheel shaft is fixedly connected with the grinding wheel bearing seat. The grinding wheel shaft is movably connected with the grinding wheel bearing seat in a sleeved mode, the right portion of the grinding wheel bearing seat is fixedly provided with a grinding wheel shaft seat gland, the portion, located on the right portion of the grinding wheel bearing seat, of the right portion of the grinding wheel shaft is fixedly connected with a multi-wedge belt wheel in a sleeved mode, and the multi-wedge belt wheel is movably connected with the grinding wheel shaft seat gland in a sleeved mode. The problems of poor sealing performance and fast abrasion under the high-speed working condition are solved, the rotor is not prone to being invaded by dust during high-speed operation, lubrication failure is avoided, the service life is prolonged, the reliability and production efficiency of equipment are remarkably improved, and the high-speed sealing device is suitable for severe industrial scenes such as high-strength glass edge grinding machines and the like.

The utility model provides a cutter bar installation device with cooling effect, which comprises a cutter sleeve seat and a cutter sleeve, the cutter sleeve seat comprises a body and a cooling channel, the body can be fixed on a rotary disc cutter tower, the cooling channel is formed by extending from the surface of the body to the inside of the body, the cutter sleeve is arranged in the cutter sleeve seat, the cutter sleeve comprises a containing groove and a cutter sleeve flow channel, and the containing groove is communicated with the cutter sleeve flow channel. The containing groove can contain the cutter bar assembly, the cutter sleeve flow channel extends inwards from the surface of the cutter sleeve to be communicated with the containing groove, and the cutter sleeve flow channel is communicated with the cooling channel of the cutter sleeve base. Cooling liquid can be supplied to the cutter bar assembly with the inner cooling flow channel for use through the cooling channel of the cutter sleeve seat and the cutter sleeve flow channel of the cutter sleeve, compared with an existing machining machine with a rotary disc cutter tower, the outer spray head independent of the cutter bar installation device is adopted, the cooling effect is limited, the cooling effect can be improved, and the machining efficiency is improved. And the service life of the tool applied to the rotary disc tool turret is prolonged.

This invention discloses a through-type three-medium plate-fin heat exchanger and its manufacturing method, relating to the field of heat exchanger technology. It includes a pair of coolant manifolds and a pair of refrigerant manifolds, as well as refrigerant flat tubes and coolant flat tubes arranged between the pair of coolant manifolds. Adjacent coolant and refrigerant flat tubes share common air-side fins. The coolant flat tubes are sealed and connected between the pair of coolant manifolds, and the refrigerant flat tubes pass through the pair of coolant and refrigerant manifolds and are sealed and connected between the pair of refrigerant manifolds. This invention arranges both coolant and refrigerant flat tubes between the pair of refrigerant manifolds, with shared air-side fins between them, enabling coupled heat exchange between coolant, refrigerant, and air within a single heat exchanger core. The through-type structure of the coolant flat tubes passing through the coolant manifolds reduces pipe routing and space occupation, improves structural compactness, and reduces the pressure on the front-end module layout of the vehicle.

This utility model relates to a cooling mechanism for the slide rail of a gantry machine tool, including a slide saddle, a slide ram, and a cooling assembly. The slide ram moves up and down within the inner cavity of the slide saddle via a drive mechanism, and the guide rail surface of the slide ram contacts the inner cavity of the slide saddle. The cooling assembly includes cooling plates for cooling the guide rails at the four corners of the slide saddle and a cooling machine for supplying coolant to the cooling plates through a pipe assembly. This utility model relates to the field of gantry machine tool technology. This gantry machine tool slide rail cooling mechanism has a cooling system fixed on both sides of the slide saddle. The cooling system consists of cooling plates, pipes, connectors, etc. The entire cooling system is supplied with coolant by the cooling machine. The coolant circulates through pipes into the circulation groove of the cooling plates and finally flows back to the cooling machine, forming a circulating cooling system for the slide saddle and slide ram guide rails. This reduces the thermal deformation of the slide saddle and slide ram, thereby improving the machining accuracy of the machine tool.

The utility model relates to the technical field of spherical milling and grinding machines, in particular to a spherical milling and grinding machine with a grinding surface cooling mechanism, which comprises a machining table clamping component and an annular pipe (a spray head is fixed on the inner ring surface, a telescopic hose is connected to one side of the outer ring surface, and an adjusting component is arranged on the other side). One side of the outer ring surface of the annular pipe is fixed with one end of a telescopic hose, and the other end of the telescopic hose is communicated with a liquid storage tank through a pump body; the adjusting assembly comprises a connecting frame, one end of the connecting frame is fixed to the annular pipe, the other end of the connecting frame sleeves a threaded rod in a threaded mode, and the two ends of the threaded rod are rotationally sleeved with the limiting plate and the rack respectively. The cooling liquid spraying range is expanded through the design of the annular pipe, uniform cooling is achieved through multi-angle spraying, local overheating is avoided, workpiece thermal deformation and machining errors are reduced, and the machining efficiency and quality are improved. Cooling liquid flows back to the liquid storage tank through the through hole of the machining table and is recycled after being filtered, and waste is reduced.

The invention discloses a multi-size hole site laser cutting system and method based on dynamic focus adjustment, and belongs to the technical field of machining. The system comprises an analysis and planning module used for receiving a digital processing drawing, analyzing geometric features of hole sites, establishing radius-thickness ratio parameters according to aperture and plate thickness, constructing a multi-hole-site processing sequence in combination with a heat accumulation index of a workpiece surface, and generating a corresponding focus offset initial quantity at the same time; the dynamic focusing laser execution module is used for realizing dynamic adjustment of a laser focus in the optical axis direction through a movable zoom lens group arranged in an internal light path of the laser processing head; the monitoring module is used for collecting photoelectric signals generated in the laser machining process and relative distance signals between a laser machining head and the surface of a workpiece and transmitting the signals to the control module. And the control module is used for dynamically controlling the focus position and the laser output power based on the monitoring signal, so that the laser focus is adaptively adjusted between the perforation stage and the contour cutting stage.

The application discloses a mechanical seal device for liquid, which is used for sealing a rotating shaft penetrating through a device shell and comprises a rotating ring seat, a rotating seal ring, a static seal ring and a static ring seat, and an end surface of the rotating seal ring is abutted to an end surface of the static seal ring by means of a spring to form a seal interface perpendicular to an axial direction, the seal interface comprises an abutment point in contact with a liquid medium in an axial section; and a circular ring-shaped surrounding rim is arranged around the rotating seal ring and the static seal ring for stirring the liquid medium, at least a part of the surrounding rim is shaped with an inclined surface inclined towards the abutment point, the inclined surface comprises a starting point close to the abutment point and an ending point away from the abutment point in the axial section, the starting point is separated from the abutment point by a distance and the ending point does not exceed the abutment point in the axial direction. The mechanical seal device for liquid provided by the application can effectively keep impurities in the liquid medium away from the seal interface and has good processing economy.

The application relates to the technical field of drying equipment, in particular to an auxiliary feeding and discharging device for a dryer, which comprises a frame assembly, a driving assembly and a pushing assembly. The frame assembly comprises a bottom plate arranged at the outlet side of a drying box, a plurality of supporting pieces and upper plates. The upper plates are sequentially carried above the bottom plate through the supporting pieces. The pushing assembly is composed of a baffle ring arranged between two adjacent upper plates. The driving assembly is connected with the lowermost upper plate and drives all the upper plates to vertically lift. The driving assembly is connected with the baffle ring and drives the baffle ring to horizontally slide. The bottom plate, the supporting pieces and the upper plates form a multilayer bearing structure, which provides a stable temporary storage and transfer platform for a tray. The driving assembly serves as a power source to complete the overall lifting of the upper plates and the horizontal pushing action of the baffle ring, and the risk of scalding is reduced compared with the manual discharging mode. The application has the characteristics of improving production efficiency.

The application provides a kind of bio-based IMD ink and its preparation method, injection molding product and its processing method.The bio-based IMD ink includes the following components by mass fraction: ink: bio-based modified saturated polyester 50-60 parts;Dispersant 5-10 parts;Pigment 10-15 parts;Auxiliary 1-2 parts;Filler 5-8 parts;Solvent 20-30 parts;Adhesion agent 1-3 parts;Curing agent: bio-based modified PDI type curing agent 10-15 parts;Curing agent is added to ink mixture and coated on substrate film to form IMD ink layer.The bio-based IMD ink can ensure better adhesion strength and elongation performance, and has low VOC emission and environmental protection.

A lifting valve for an incinerator comprises a valve shell, a valve cover is installed at the top end of the valve shell, an air cylinder is arranged above the valve cover, the air cylinder is in transmission connection with a valve rod, a valve plate is installed at the bottom end of the valve rod, an air inlet is formed in the side wall of the valve shell, an air outlet is formed in the bottom wall of the valve shell, and a valve seat is arranged above the air outlet. A dustproof guide sleeve and a sealing material are arranged on the inner wall of the filler cylinder, the guide sleeve is slidably connected with the valve rod, and a supporting mechanism is arranged between the valve rod and the valve plate. The lifting valve is effectively prevented from being stuck, thermal deformation of the valve plate is reduced, and stable and efficient operation of the incinerator is guaranteed.

The utility model discloses a main shaft mounting structure of an ultra-precision grinding machine, which improves the rigidity and the strength of the whole structure so as to ensure the machining precision of the grinding machine, and comprises a beam assembly, a sliding seat and a ram, the beam assembly comprises a pair of cross beams arranged in the Y-axis direction and a pair of longitudinal beams perpendicular to the cross beams. The end parts of the cross beams and the longitudinal beams are connected with each other and define a rectangular structure; the sliding base is arranged in the rectangular structure, the two sides of the sliding base are in sliding fit with the cross beam, and a Y-axis motor used for driving the sliding base to move in the Y-axis direction is arranged. A movable hole is formed in the central axis of the sliding seat; the ram is in sliding fit in the movable hole, and a mounting hole for mounting a main shaft is formed in the central axis of the ram; a pair of Z-axis motors used for driving the ram to move in the Z-axis direction are arranged on the opposite side walls of the movable hole.

This invention proposes a plate-type water-cooled hinge torque balance measurement system for hypersonic wind tunnels, belonging to the field of wind tunnel testing and measurement technology. The aim is to solve the problem in existing technologies where control surfaces are difficult to externally cool due to their thin structure, making hinge torque measurement challenging. In this invention, the aircraft fuselage, wing, and plate-type water-cooled hinge torque balance are connected. The plate-type water-cooled hinge torque balance has an upper cover plate and a lower cover plate at its top and bottom, respectively, with the upper surface of the lower cover plate flush with the aircraft fuselage. The free end of the plate-type water-cooled hinge torque balance, the balance measuring element, and the fuselage mounting base are connected sequentially. The free end of the balance is connected to the control surface being measured via angle lugs. Strain gauges are attached to the surface of the balance measuring element, and the internal structure of the balance measuring element includes a water-cooling circuit. This invention solves the problems in existing technologies where high temperatures significantly reduce measurement accuracy in hypersonic wind tunnel tests, and the thin structure of wing control surfaces makes external cooling difficult, resulting in challenging hinge torque measurement.

A refractory castable for creating a gradient insulation layer in the lining of a furnace or kiln, comprising the following raw materials and their wt% contents: aggregate with a particle size ≥1mm: 50-70%; fine powder with a particle size ≤0.088mm: 20-35%; fiber: 1-3%; dispersant: 0.05-0.1%; accelerator: 0.01-0.02%; binder: 5-8%; alumina foam not exceeding 20%; and water of 6-8% of the total weight of the above raw materials. Application method: The working layer in an industrial furnace or high-temperature vessel is divided into three layers from the inside out according to its thickness: Working Layer 1, Working Layer 2, and Working Layer 3, which are then cast separately. Preparation of Working Layer 1 castable; Preparation of Working Layer 2 castable; Preparation of Working Layer 3 castable. This invention, while ensuring a compressive strength of not less than 40MPa at 1500℃ for 3h, improves the thermal insulation performance by casting the furnace working lining into three layers: working layer one, working layer two, and working layer three, and by creating a thermal insulation gradient through the density gradient structure design of each layer of castable material. This means that the furnace surface temperature can be reduced by at least 35℃, and the heat transfer can be reduced by about 800MJ.

This invention provides a high-temperature resistant graphite-based rubber seal and its preparation method. By weight, it comprises the following raw materials: 80-99 parts graphite, 0.5-19 parts silicone fluororubber, 0.1-1 parts vulcanizing agent, 0.05-0.5 parts high-temperature structural stabilizer, 0.05-0.6 parts fluorosilicone modified borosilicate glass powder, and 0.03-0.5 parts yttrium-stabilized zirconia hollow microspheres. The vulcanizing agent is dicumyl peroxide (DCP), and the high-temperature structural stabilizer is one or a combination of vermiculite slurry and yttrium oxide micropowder. This invention uses graphite as the main raw material, fully utilizing its wear resistance, high-temperature resistance, and low high-temperature deformation. By combining it with other components, it achieves both good sealing performance and high-temperature resistance, solving the problem of poor high-temperature resistance in existing rubber-based seals. It is suitable for high-temperature conditions above 400℃.

The application provides a water spraying cooling mechanism and a laser drilling device. The water spraying cooling mechanism comprises a water tank arranged below a workpiece carrying platform, the workpiece carrying platform being horizontally movable, and the workpiece carrying platform being provided with a lateral opening; a top of the water tank is provided with a recovery opening, the recovery opening being in communication with the lateral opening; a water spraying assembly comprises a water spraying arm, a water spraying column and a driver, one end of the water spraying arm is connected to the driver, the other end of the water spraying arm extends horizontally to the recovery opening and is located between the water tank and the workpiece carrying platform, the water spraying column is arranged at the end of the water spraying arm away from the driver and extends upward, a water spraying opening of the water spraying column is arranged upward, the water spraying arm is provided with a water channel in communication with the water spraying column, and the driver is used for driving the water spraying arm to descend to be opposite to the opening or driving the water spraying arm to ascend to make the water spraying opening close to a workpiece on the workpiece carrying platform. The water spraying cooling mechanism of the application has simple structure and high stability.

The invention discloses battery tray processing equipment based on multi-station parallel laser welding. The battery tray processing equipment comprises a cabinet body, a workbench is installed on the inner side of the cabinet body in a nested mode, portal frames are installed on the two sides of the cabinet body, manipulator modules are installed on the outer sides of the portal frames, and welding modules are installed at the bottom ends of the manipulator modules. Through the arrangement of the roller cooling assembly, a plurality of groups of hinged mounting structures and hollow copper cooling roller structures, the roller cooling assembly can synchronously move along with the welding mechanism, real-time follow-up cooling of a welding seam area can be carried out, and the thermal stress of a welding joint of a cross beam and a tray bottom plate can be greatly reduced; and the first roller and the second roller are attached to the cross beam structure from the top face and the side face in a multi-face self-adaption mode, flexible pressing and edge warping prevention constraint are provided while cooling is conducted, and deformation and edge warping caused by welding are restrained from the source.