91results about How to "Avoid indentation" patented technology

The invention relates to spline housing cold heading forming equipment, and relates to the technical field of spline housing machining equipment, the spline housing cold heading forming equipment comprises a workbench, a fixed die holder mounted on the workbench and a movable die holder matched with the fixed die holder, and further comprises a demolding mechanism mounted on the workbench and used for demolding a formed spline housing; the demolding mechanism comprises a driving box installed on the workbench, a lifting assembly installed in the driving box and used for driving the fixed mold base to vertically move, a first threaded rod driven by the lifting assembly to rotate, and an oil storage box installed in the driving box. The driving and conveying assembly is driven by the first threaded rod and sprays lubricating oil stored in the oil storage tank to the fixed mold base and the spline housing; and the overturning assembly is mounted in the driving box and is used for driving the fixed mold base to overturn when the fixed mold base vertically moves. The spline housing demolding device has the effect that indentation and deformation cannot be caused to the surface when the spline housing is demolded.

This invention relates to the field of arch breaker shell welding technology, and specifically discloses an automated welding device for arch breaker shells. A welding component is fixedly connected to the center of the top of the workbench, and positioning components are slidably connected to both sides of the top of the workbench. Placement seats are symmetrically arranged on the top of the workbench, with their bottoms slidably connected to the top of the workbench. One end of a lead screw is rotatably connected to the inner side of the workbench. This automated welding device for arch breaker shells can pre-adjust the extension position of the support frame according to the outer diameter of the flange matching different specifications of the arch breaker cylinder, so as to adapt to the flange outer diameter. When welding the cylinder and flange, the weld area continuously experiences high temperature, resulting in thermal expansion. After cooling, it contracts, which can easily cause the flange to shift axially and radially, leading to misalignment of the circumferential seam and uneven gaps. The support frame closely adheres to the edge of the flange end face, forming a circumferential limiting constraint to prevent movement during welding.

The invention relates to the technical field of membrane attachment, and provides a ceramic membrane coating, bonding and attaching device which comprises a basic rack, a first driving part, a pressing assembly, a second driving part, a vacuum adsorption assembly and a visual assembly, a top rack is fixedly installed on the upper portion of the basic rack through a supporting rack, and the first driving part is installed on the basic rack; a bearing frame is fixedly installed at the output end of the first driving part, a lower press-fit mold is arranged at the top of the bearing frame, a press-fit assembly is installed on the lower press-fit mold, the second driving part is installed on the top rack, a lifting frame is fixedly installed at the output end of the second driving part, and an upper press-fit mold is arranged at the bottom of the lifting frame. A vacuum adsorption assembly is installed at the bottom of the upper pressing mold, and a visual assembly is installed on the top rack and used for solving the technical problems that in the related technology, when multiple layers of diaphragms are pressed, local stress concentration can be formed on the surfaces of the ceramic diaphragms through adsorption holes, then indentations are generated, and the surface quality of finished products is reduced.

The invention relates to a welding center and method for platform machining, and belongs to the technical field of welding equipment. The device comprises a rack, a gantry frame is slidably mounted on the upper surface of the rack, an air cylinder is slidably arranged at the bottom of a cross beam of the gantry frame, a mounting plate is fixed to the telescopic end of the air cylinder, and a welding head is mounted on the lower surface of the mounting plate; and fixing cylinders are further included, the two fixing cylinders are fixed to the left side and the right side of the lower surface of the mounting plate, and moving plates are slidably connected to the opposite faces of the two supporting vertical plates. According to the device, a single honeycomb platform is automatically clamped through a motor and a wedge block, a guide plate is matched for abutting, an elastic floating roller is matched for pressing, positioning is stable, a workpiece is not damaged, full-area cleaning and negative-pressure synchronous impurity removal are adopted before welding, welding defects are effectively avoided, initial pre-stretching is conducted in the welding process, and the welding efficiency is improved. And then the progressive secondary stretching is realized along with the linkage of the welding machine head, the stress is dynamically eliminated, the deformation is inhibited, and the flatness and the welding precision are greatly improved.

The utility model relates to a kind of roll bending machine plate material feeding scratch-proof surface treatment device, the utility model effectively solves that plate bottom is easily scratched, the granular matter on the surface of plate is easily formed dent when rolling, plate cannot be accurately aligned with roll bending machine entrance, is prone to the problem of indentation.The roll bending machine plate material feeding scratch-proof surface treatment device can simultaneously carry out physical cleaning to the upper and lower surfaces of plate by the upper and lower symmetrical active cleaning mechanism, effectively remove the metal scraps and dust and other impurities adsorbed on the surface, simultaneously cooperate with dust extraction mechanism can suction impurities cleaned in real time, significantly reduce the scratch or indentation risk caused by impurities pressed into by plate;Second electric push rod can coarsely adjust the height of flexible support module, flexible support module can fine tune itself, ensure that plate is smoothly fed, and flexible support module can disperse concentrated pressure into uniform surface support, prevent indentation caused by uneven support, more conducive to using when roll bending processing is carried out to plate.

The utility model discloses a cloth supporting and spreading device relates to cloth winding device. Including winding mechanism and supporting and spreading mechanism, winding mechanism rotatory connection is in the frame, its characterized in that: supporting and spreading mechanism is located the front of winding mechanism, the cloth is wound on winding mechanism after supporting and spreading behind supporting and spreading mechanism, supporting and spreading mechanism includes the suction assembly and a pair of unfolding assembly of being located on the frame, the unfolding assembly reciprocating movement along the width direction of cloth, every unfolding assembly all is equipped with a suction assembly, and the suction assembly moves with the unfolding assembly synchronization, two unfolding assembly alternate movement and the corresponding suction assembly stops suction cloth when unfolding assembly reset. This application has avoided the appearance of cloth surface indentation as far as possible, and because the whole flattening process is through the mode of negative pressure suction, the advantage that the surface coating of cloth is more destroyed.

The utility model provides an adjustable glasses nose pad, which relates to the technical field of glasses, and is characterized in that the adjustable glasses nose pad comprises a nose pad fixing frame, a rotating piece and a nose pad body, the rotating piece is rotatably arranged on the nose pad fixing frame, the nose pad body is fixedly arranged on the rotating piece, and the nose pad body is fixedly arranged on the rotating piece. And clamping groove and clamping block structures which are clamped with each other are arranged on the nose pad fixing frame and the rotating piece. Through the multi-gear clamping groove and clamping block structure between the rotating piece and the nose pad fixing frame, stepped adjustment of the angle of the nose pad is achieved. The clamping blocks can be embedded into the clamping grooves in different positions, so that the silica gel nose pad body forms multi-angle support, the individual requirements of different nose bridge heights and widths are met, and the wearing adaptability is remarkably improved.

The application discloses a permanent magnet electric drive aluminum strip tension leveling machine process parameter optimization method and system, and belongs to the technical field of metal material finishing. The method comprises the following steps: system initialization is performed, and a coupling mathematical model between process parameters and electromagnetic drive control variables is established; based on the established model, a hierarchical strategy including process parameter pre-selection, drive parameter multi-objective optimization and online fine adjustment is adopted, and an optimal process parameter set is dynamically solved; heat compensation is performed on the current instruction output by the optimization according to the real-time temperature of the permanent magnet motor, so as to offset the torque attenuation caused by temperature rise; and case data of each successful tension leveling is stored in a knowledge base, so that online self-learning and inheritance of experience are realized. The application solves the problems of straightening quality fluctuation, high energy consumption and short service life of components caused by mismatching of the permanent magnet direct drive system and traditional process parameters, and significantly improves the elongation control precision, surface quality and energy efficiency.

The invention relates to the technical field of battery heat insulation films, in particular to a hot-pressing vulcanization and film covering all-in-one machine for battery heat insulation films, which comprises a base, a processing box is fixedly mounted on the base, a silica gel frame is placed in the processing box, conveying mechanisms are symmetrically arranged on the inner wall of the processing box, and a film covering mechanism is arranged in the processing box. A pre-pressing mechanism and a vulcanizing mechanism are arranged on the outer side of the processing box, and the upper end of the processing box communicates with a rectangular material pipe used for feeding aerogel pieces. The film laminating mechanism is arranged, a horizontal sliding rail and a driving lead screw are used for driving a sliding platform and a silica gel frame to move synchronously, a rectangular pressing head is driven by an electric telescopic rod to complete jacking, cutting and hot-pressing attaching, the silica gel frame does not need to be stopped in the whole process, it can be guaranteed that a film and a window are accurately aligned, and the efficiency bottleneck of a traditional attaching stopping technology is avoided; in addition, cutting and attaching are integrated, the equipment structure is effectively simplified, and the production continuity and the automation degree are improved.

The utility model relates to the technical field of linear cutting, in particular to a bidirectional clamping and fixing device for linear cutting. The top of the mounting plate is fixed to a rack, the clamping parts are arranged on the two sides of the mounting plate in a mirror image mode with the central axis of the mounting plate as the reference, each clamping part comprises an upper supporting rod, a middle supporting rod and a lower supporting rod, and the two ends of the upper supporting rod, the two ends of the middle supporting rod and the two ends of the lower supporting rod are movably installed on corner-shaped supporting arms through shafts. The upper ends of the supporting arms are movably installed on the upper supporting rods, the corner points of the supporting arms are movably installed on the middle supporting rods, the lower ends of the supporting arms are movably installed on the lower supporting rods, and pressing plates used for clamping are arranged on the inner sides of the lower supporting rods. An installation plate is adopted as a base body, the top of the installation plate is fixed to a rack, clamping parts are symmetrically arranged on the two sides of the central axis of the bottom of the installation plate, each clamping part is composed of an upper supporting rod, a middle supporting rod and a lower supporting rod, and the two ends of the upper supporting rod, the middle supporting rod and the lower supporting rod are movably connected with corner-shaped supporting arms through shafts to form a four-connecting-rod linkage mechanism, and bidirectional symmetrical clamping is achieved.

This utility model provides a cable fixing structure for the handover test of a photovoltaic power station transformer substation, belonging to the technical field of cable fixing structures. The cable fixing structure includes: a wedge-shaped metal ring assembly divided into at least three circumferential segments, each segment having a spiral groove on its outer surface; a high-friction flexible pad tightly fitted to the inner circumferential surface of each segment; and an integral elastic steel ring surrounding the outer side of the metal ring assembly, the inner circumferential surface of which has a protruding ridge that engages with the spiral groove. When the elastic steel ring rotates relative to the metal ring assembly, the protruding ridge slides along the spiral groove, driving each wedge-shaped metal ring segment to synchronously contract radially and synchronously generate axial displacement, thus forming a self-tensioning clamp. This solves the problem of loose cable joints and uneven stress during the handover test caused by the inability of traditional fixing structures to adaptively clamp according to changes in cable tension.

The utility model relates to massage product technical field, concretely is a kind of neck protection instrument. Including shoulder strap main part, shoulder massage device and hot compress device;Shoulder strap main part includes outer side band and skin-friendly band, and the outer periphery of outer side band is provided with convex rib, and the inside of convex rib is surrounded and has installation cavity;Skin-friendly band is detachably installed in the inside of convex rib;The both ends of shoulder strap main part are respectively installed with first magic tape hair surface band and first magic tape thorn surface band;Shoulder massage device is movably arranged in the inside of installation cavity, and shoulder massage device includes massage head mounting and the multiple electric massage head installed on massage head mounting;The both ends of massage head mounting are connected with pull rope, and two perforations for the pull rope of two sides to be penetrated are set up on skin-friendly band;Hot compress device is installed on skin-friendly band.The utility model has the advantages of good wearing comfort, and massage range is extensive.

The utility model relates to the technical field of lip balm tube processing equipment, in particular to a thread screwing device for lip balm tube production, which comprises a conveying belt and a cap screwing device assembled above the conveying belt, the conveying belt is respectively provided with a feeding end and a discharging end in the X-axis direction, the cap screwing device is arranged between the feeding end and the discharging end, and the feeding end and the discharging end are arranged on the conveying belt. The cap screwing device comprises a first fixing mechanism used for clamping the bottom of a pipe body and a second fixing mechanism used for abutting against and rotating a cap body, and the first fixing mechanism and the second fixing mechanism are arranged on the left side and the right side of the conveying belt in the Z-axis direction correspondingly. The first fixing mechanism and the second fixing mechanism are arranged on the left side and the right side of the advancing direction of the conveying belt correspondingly, the bottoms of a cover body and a pipe body are limited, cap screwing operation is carried out, buffering force is provided through the telescopic design of an outer fixing piece and a spring in the cap screwing process, clamping stability is ensured, and the clamping efficiency is improved. And the risk of tube body damage caused by improper clamping force adjustment is reduced, and the machining quality of the lip balm tube screw cap is improved.

The utility model relates to EMU slide valve detection technical field, this EMU group is with slide valve test mechanism, including test bench body, the top of test bench body is provided with test chassis, is provided with the fixed subassembly of pressing down on test chassis, is provided with one way locking assembly on the fixed subassembly of pressing down, the fixed subassembly of placing of pressing down has slide valve body, the utility model, by one way locking assembly cooperation fixed subassembly of pressing down formed the one way rotation type clamping fixed structure to fix the slide valve, before testing through the fixed slide valve can realize to the slide valve, the antiskid pad on the whole fixed clamping plate always keeps surface contact with the slide valve in the whole fixing process, avoids the slide valve on the indentation while guaranteeing the clamping force degree, disconnects the gas path and electric connection joint after testing, pulls the locking block and separates the lateral clamping slot, can take down slide valve body through the support spring release elastic potential energy, one step operation can release the fixing of slide valve body, improves the test efficiency.

This invention discloses a beam formwork installation and reinforcement device for confined spaces, comprising a disc-lock frame. An aluminum alloy beam bottom horizontal plate is mounted on top of the disc-lock frame, and a beam bottom support formwork is installed above it. A first timber beam is installed between the two. The inner side of the formwork is a concrete beam with integrated columns. Irregularly shaped metal rods with steel plates and clearance grooves are installed on the outer sides of the formwork on both sides of the columns. These irregularly shaped metal rods are connected by a connecting assembly. A second timber beam is installed between the two columns, with both ends contacting small channel steel. L-shaped fixing clips are fixed to the small channel steel. The connecting assembly replaces the original first nut with an end assembly, which includes a magnetic end plate, a square-section threaded sleeve, and a limiting nut. This invention adapts to confined space layouts through a modular aluminum alloy beam bottom horizontal plate and achieves precise reinforcement of the beam formwork while being suitable for operation in confined spaces using irregularly shaped metal rods with clearance grooves and a connecting assembly containing end assemblies.

The utility model discloses a punching device with multi-hole-site integration. The punching device comprises an installation support, a power driving part and a plurality of punching assemblies which are sequentially arranged on the installation support. Each punching assembly comprises a lifting support, a drill point mounting base, a drill point and a lifting driving piece. The lifting support is connected with the driving end of the lifting driving part and can be driven by the lifting driving part to move in the vertical direction. The drill point is rotationally connected to the bottom of the lifting support through a drill point mounting base. A transmission assembly is arranged between the power driving part and the drill point in each punching assembly and can drive the drill point in each punching assembly to rotate at the same time in the descending process of the lifting support. According to the punching machine, the multiple sets of punching assemblies are arranged, and the drilling needles in the punching assemblies can be driven by the lifting driving pieces to conduct lifting drilling operation, so that the punching machine can meet the punching requirements of different sizes, numbers and intervals.

The invention relates to a full-waterproof multifunctional bathing intelligent wheelchair which comprises a frame, a bearing assembly used for bearing a user is arranged at the top of the frame, an intelligent control module is arranged at the top of the frame, a first fixing rod is fixedly connected to the top of the frame, and a second fixing rod is fixedly connected to the bottom of the frame. Third fixing rods are fixedly connected to the left portions of the close sides of the first fixing rod and the second fixing rod, mounting blocks are fixedly connected to the middles of the two third fixing rods, connecting pipes are fixedly connected to the middles of the mounting blocks, moving wheels are rotatably connected to the outer portions of the connecting pipes, and a containing shell is fixedly connected to the outer portions of the connecting pipes; and cavities II are formed in the two connecting pipes. A first rotating rod and a second rotating rod are matched with a first fixing sleeve and a second fixing sleeve to drive the frame to be unfolded from a folded state, meanwhile, a first limiting plate is driven to be matched with a second limiting plate of the connecting rod through a pulling rod, a spring and a sliding plate of the limiting assembly, and stable limiting of the connecting rod after the wheelchair is unfolded is achieved.

This utility model relates to a correction structure for a color-coated steel sheet spraying device, including a guide assembly and a correction assembly disposed on the spraying device. The spraying device is equipped with a conveyor table connected to the guide assembly and the correction assembly respectively. This correction structure for the color-coated steel sheet spraying device, through the inclusion of the guide assembly and the correction assembly, uses an elastic component to transmit corrective force through flexible buffering, avoiding rigid contact that could cause scratches or indentations to the pre-treatment layer or coated layer on the steel sheet surface. It also prevents the steel sheet from excessively adhering to the edge of the conveyor table, which could cause the correction assembly to malfunction. Furthermore, it achieves dynamic and flexible correction of the steel sheet's position. Using a connecting rod assembly and an electric push rod, it controls two correction plates to synchronously push the offset edge of the steel sheet back to the center line of the spraying channel, ensuring that the center line of the steel sheet coincides with the center line of the spraying channel, thus eliminating uneven coating edges or missed coating caused by offset.

This utility model belongs to the field of aluminum disc stamping technology, specifically disclosing an aluminum disc stamping strip correction device, including a base plate, a stamping table connected to the middle of the upper part of the base plate, a support box connected to one side of the base plate corresponding to the side of the stamping table, a hydraulic cylinder connected to the upper part of one side of the support box, a stamping block connected to the lower end of the hydraulic cylinder, a movable support platform connected to one side of the upper part of the base plate, a frame slidably connected to the upper part of the movable support platform, the upper two sides of the frame are inclined, and drive rollers are rotatably connected to the lower parts of the inner walls of the frame. This utility model achieves stable correction of strips of different widths during conveying and stamping through the synergistic effect of an adaptively adjustable strip stabilization mechanism and a multi-directional constraint guide structure, effectively improving the stamping quality and production efficiency of aluminum discs.

The utility model relates to punch device technical field discloses an automobile buffer block punch device, including the workstation, the top of workstation is established with the positioning slot, the bottom of positioning slot is established with the placing groove, the top of support is equipped with punch assembly, the inside of placing groove is equipped with the fixed component for fixing automobile buffer block, the utility model discloses the setting through fixed component, through vacuum adsorption fixation, can even exert pressure, avoid the damage of the surface of automobile buffer block and cause the indentation or injury, adapt to the irregular shape buffer block simultaneously, therefore can avoid the fixed invalid condition of the rubber material automobile buffer block, plus the physical limit of positioning slot and placing groove to automobile buffer block, when the multi -hole punch of installation hole of automobile buffer block is carried out to punch assembly, avoid the displacement due to vibration, further avoid the hole position deviation of installation hole to exceed the tolerance range, avoid the influence subsequent assembly accuracy.

The invention relates to the technical field of machining, and provides a segmented annular workpiece machining method and clamping device.The machining method comprises the steps that S1, a segmented annular workpiece is jacked in the radial direction through a jacking assembly of a first clamping device, so that finish machining of the upper end face of the segmented annular workpiece is completed; s2, the segmented annular workpiece is axially pressed from the outer side through a first pressing assembly of a second clamping device, so that finish machining of the outer circle face of the segmented annular workpiece is completed; s3, before pressing is executed, a first copper gasket is placed between a pressing plate of a second pressing assembly in a third clamping device and the outer circle face of the workpiece, and all segmented joints of the workpiece are stuffed with second copper gaskets; and then the segmented circular-ring-shaped workpiece is axially pressed from the outer side through a second pressing assembly of the third clamping device, so that finish machining of the inner circular face of the segmented circular-ring-shaped workpiece is completed. Through sequential use and targeted process design of the three sets of clamping devices, high-precision, high-efficiency and high-integrity segmented circular ring machining is achieved.

The utility model relates to an adjustable anti-shake device for conveying copper products, which comprises a mounting seat, a sliding seat connected to the mounting seat in a sliding manner, two clamping grooves formed in the right part of the sliding seat, a clamping piece connected to the sliding seat in a sliding manner, two clamping grooves formed in the clamping piece, a screw rod frame connected to the right part of the mounting seat in a threaded manner, the clamping piece connected with the screw rod frame in a rotating manner, and the clamping piece connected with the screw rod frame in a threaded manner. A fixing rod is connected to the upper side of the left portion of the sliding seat, two bearings are connected to the fixing rod, a contact wheel is connected between the bearings, a first clamping block is slidably connected between the sliding seat and the clamping piece, and a releasing mechanism is arranged on the clamping piece. By arranging the releasing mechanism, when the copper material shakes suddenly and violently, impact force is transmitted to the first clamping block through the contact wheel, high-frequency vibration of the copper material instantly overcomes a second spring threshold value, the first clamping block is driven to be separated from the locking position, and therefore rigid connection between the sliding seat and the clamping piece is relieved, the contact wheel is separated from the copper material, and pressure return to zero is achieved; and surface indentation or structural damage of the copper piece is effectively avoided.

The utility model discloses a kind of forming die of automobile longitudinal beam roll-pressing outer web surface without indentation, can gradually process and manufacture into U-shaped beam with strip steel, this set of die is composed of sixteen pass roller groups, first fix web surface, then gradually roll-pressing into 90 degrees by gradually changing from 0 ° to wing surface, then overbend stress relief, finally wing surface is shaped at 90 degrees.Changing the traditional practice that the inner vertical surface of upper web surface roller is a line, on the basis of guaranteeing roll shape effect, the inner vertical surface of upper web surface roller in different pass is staggered in layers, fundamentally solve the problem that indentation is formed in the same position of the outer cylindrical surface inner side surface of upper web surface roller repeatedly roll-pressing the web surface of U-shaped beam.

This invention relates to the field of printing machinery manufacturing technology and discloses a printing roller rounding machine with machine vision flaw detection. The machine includes a base with a groove on its top. A movable seat is slidably connected to the inner side of the groove. A flaw detection mechanism is located on the top right side of the movable seat. The flaw detection mechanism includes a bracket, which is fixedly connected to the rear end of the top right side of the movable seat. A hydraulic rod is fixedly connected to the inner side of the bracket, and a connecting rod is rotatably connected to the top of the hydraulic rod. An arc-shaped plate is rotatably connected to the front side of the bracket. This invention uses a motor to drive a lead screw to rotate, which in turn moves the movable seat, enabling the flaw detection mechanism and the rounding mechanism to move freely along the printing roller axis. It can perform full-coverage scanning of printing rollers of different lengths and specifications, and uses a polarizing filter in conjunction with a lamp inside a hollow plate to supplement lighting, eliminating specular high-gloss reflections on the surface of the metal printing roller.

The application relates to a wafer detection probe station positioning device and relates to the technical field of wafer testing, which comprises a probe station plate, an adjustable positioning mechanism and a moving mechanism. The application has the advantages that when a wafer is placed into a detection hole, the edge of the wafer first contacts a buffer pad on the surface of a clamping plate, at this time, the spring is extruded to generate reverse elastic force, the clamping plate is driven to be attached to the wafer, and due to the elastic expansion and contraction characteristics of the spring, the clamping plate can automatically adjust the spacing according to the diameter and thickness difference of the wafer, so that different specifications of wafers can be adapted without replacing the detection hole assembly, thereby breaking the limitation that one detection hole corresponds to one wafer from the source, and meanwhile, after the clamping plate preliminarily fixes the wafer through the elastic force of the spring, the first electric push rod on the side of the vertical plate is started, the subsequent telescopic rod drives the extrusion block to move to the clamping plate, and finally the extrusion block is accurately inserted into the clamping plate.

The application provides a precise scribing device for power distribution cabinet mounting plate assembly positioning, and belongs to the technical field of power distribution cabinet assembly. The device solves the technical problems of unstable positioning, limited adjustment range and low scribing precision of existing scribing devices. The precise scribing device for power distribution cabinet mounting plate assembly positioning comprises a telescopic rod, the surface of the telescopic rod is rotationally connected with a bracket assembly, the bracket assembly comprises two side plates rotationally connected to the outer wall of the telescopic rod, the two side plates are distributed in parallel, and a connecting plate is fixedly installed between the two side plates. In the application, the telescopic rod, the bracket assembly, the suction cup fixing, the stand and the moving block are arranged, so that the telescopic rod and the suction cup driving device are formed with multiple-point fixation in the power distribution cabinet, effectively solving the problems of easy displacement and inaccurate positioning of traditional scribing tools. Moreover, the two positioning plates at any positions can be synchronously flipped through the worm and gear transmission, so that the mounting plate is attached to the inner wall of the cabinet body.

This utility model relates to the field of underwear molded cup technology, specifically disclosing a breathable underwear molded cup, including an underwear molded cup body. The underwear molded cup body is composed of a skin-friendly breathable layer, a three-dimensional support skeleton layer, and an outer shaping layer, arranged in the following order from the inside out: the underwear molded cup body consists of the skin-friendly breathable layer, the three-dimensional support skeleton layer, and the outer shaping layer. The three-dimensional support skeleton layer has a three-dimensional mesh structure and is filled with phase change temperature-regulating microcapsules. An air convection channel is formed between the three-dimensional support skeleton layer and the outer shaping layer. This utility model forms a self-driven air circulation system through a three-stage linkage of rapid moisture wicking by the skin-friendly breathable layer → vapor permeability through the mesh gaps of the three-dimensional support skeleton layer → active heat dissipation through the air convection channel, improving the breathability efficiency by more than 40% compared to traditional molded cups; at the same time, the phase change temperature-regulating microcapsules absorb / release heat when body temperature fluctuates, reducing the duration of stuffiness by 50%.

This utility model discloses a galvanizing anti-deformation fixture structure, including a vertical fixing plate A and a vertical fixing plate B disposed on the right side of the vertical fixing plate A. A U-shaped metal sleeve A is connected to the bottom end of the vertical fixing plate A, with the A-shaped opening of the U-shaped metal sleeve facing to the right. A U-shaped metal sleeve B is connected to the bottom end of the vertical fixing plate B. By adding a bottom-supporting anti-fall device between the U-shaped metal sleeves A and B of the galvanizing anti-deformation fixture, when dealing with large, heavy workpieces, the lengths of the soft steel wire ropes A and B can be adjusted to make the metal bottom plate fit the bottom of the workpiece. Combined with the semi-circular arc-shaped metal support strip, this provides a stable lifting force while preventing damage to the workpiece surface. This device effectively distributes the weight of the workpiece, preventing it from falling and improving operational safety. Simultaneously, the hand-tightening fixing screws allow for flexible adjustment to accommodate different workpiece heights, enhancing the fixture's versatility, reducing tooling replacement costs, and ensuring efficient and stable galvanizing processes.

This utility model discloses a comfortable medical protective mask, including a mask body, a mask surface, and ear loops. The mask body includes a mask surface and two plastic frames symmetrically arranged on both sides of the mask surface. A face support strip, fixedly connected to the mask surface, is arranged parallel to the inner side of both plastic frames. An ear loop is provided on one side of each plastic frame via a mating protrusion, and an adjustment block is installed on the ear loop. A first strap and a second strap are respectively provided at the top of the two ear loops. A buckle is provided at the top of the first strap, and a fixing strip matching the buckle is provided at the top of the second strap. This utility model, by symmetrically arranging two plastic frames on both sides of the mask surface and providing a face support strip fixedly connected to the mask surface parallel to their inner sides, creates a three-dimensional space inside the mask surface when unfolded, providing a more comfortable breathing experience when worn.