33results about How to "For a perfect fit" patented technology

The invention discloses a stretch-forming and electromagnetic combining incremental forming method and device of a large thin-wall part. The method comprises the steps that a driving plate is arranged above a plate to be deformed, the driving plate and the plate to be deformed are clamped by a pressing plate and a supporting plate, and a lifting oil cylinder drives the supporting plate to move, so that the driving plate and the plate to be deformed are stretch-bent and tightened preliminarily, and the stretch-forming process is achieved; the position of an electromagnetic coil is adjusted, the electromagnetic coil is made to exactly face the driving plate to be deformed to discharge electricity, the coil rotates on the surface of the driving plate for a circle around the axis of a male die, and the plate to be deformed is attached to the male die at the same height; then, the oil cylinder descends again to stretch-bend the plate, the coil discharges electricity to deform the plate to be deformed again, the plate to be deformed is attached to the male die, and the alternate forming process of stretch-forming, discharging, re-stretch-forming and re-discharging of the plate is achieved in the same way till deformation of the plate is finished. The flowing evenness of materials can be improved, the thinning ratio of the plate can be reduced, and flexible processing and precise plastic manufacturing of large plates hard to deform can be achieved.

The invention discloses an automatic case unpacking machine which comprises a machine frame. A conveying system is arranged in the middle of the machine frame and comprises a front conveying system body and a rear conveying system body. The portion, between the front conveying system body and the rear conveying system body, of the machine frame is provided with a jacking belt mechanism. The front end of the jacking belt mechanism is provided with a stopper capable of being lifted. The jacking belt mechanism is provided with a first belt conveying mechanism. The portions, located on the left side and the right side of the jacking belt mechanism, of the machine frame are provided with side pressure clamping devices. An upper locating mechanism is arranged above the jacking belt mechanism. The bottom face of the upper locating mechanism is provided with a vacuum sucker. Four stand columns are arranged on the machine frame and are connected through four linear motion die sets to form a frame-shaped linear motion support. Each linear motion die set is provided with a cutting head. Each cutting head is driven by one alternating current servo motor to do linear motion on the respective linear motion die set. The automatic case unpacking machine is reasonable in design, simple in structure, easy to implement and convenient to use.

The invention discloses a solar-powered airplane wing and a manufacturing method thereof. The solar-powered airplane wing comprises a wing framework and a flexible solar cell module, wherein the middle part of the upper surface of the wing framework is provided with a groove; the flexible solar cell module comprises a packaging skin and an assembly framework arranged on the lower surface of the packaging skin; the assembly framework is arranged in the groove; the packaging skin extends outwards along the two sides of the wing framework in the spanwise direction to form a coating side; and the coating side is coated on the wing framework. The manufacturing method comprises the following steps: S1: preparing the wing framework; S2: preparing the flexible solar cell module; and S3: assembling. The solar-powered airplane wing has the advantages of favorable conformal effects between the solar cell module and wing framework, high surface smoothness, excellent aerodynamic performance, light weight and the like. The preparation method has the advantages of convenient assembly, weight reduction and favorable reliability.

The invention discloses a display device which comprises a display panel and a heat dissipation composite material, wherein the display panel is provided with a plane area, a curved surface area and an arc angle area, the curved surface area is arranged around the plane area, the arc angle area is arranged at the corner, which is around the plane area, of the curved surface area, and the heat dissipation composite material is arranged on the display panel and at least covers the arc angle area; and at least one notch is formed in the position, which corresponds to the arc angle area, of the heat dissipation composite material. Due to the special notch design, when the heat dissipation composite material is attached to the arc angle area of a four-curved-surface screen, the heat dissipationrequirement of the maximum area can be met, and wrinkles, bubbles and other defects can be avoided.

The invention relates to a temperature self-moulding skin-nursing material in skin nursing products such as masks, eye masks and lip masks, and a skin-nursing membrane and a preparation method thereof. The temperature self-moulding skin-nursing material comprises the following materials: a) a temperature self-moulding material formed by temperature-sensing gel; and b) a skin-nursing functional material capable of being mixed in the material a) and used for nursing the skin. The solidification temperature of the temperature self-moulding skin-nursing material containing the temperature-sensing gel is 20-30 DEG C and above, and the liquefaction temperature is 25-10 DEG C and below. The temperature self-moulding skin-nursing material is suitable for different skin surface shapes, and has good combination degree to skin, and has the advantage of convenient usage.

The invention relates to the field of 3D printing medical devices, in particular to a dental implant guide plate. The dental implant guide plate comprises a tooth socket, a planting part, guide holes, a connecting rod, connecting heads and support assemblies. The connecting rod is arranged between the tooth socket; the connecting heads are arranged on the connecting rod and the inside of the connecting heads are connected with the support assemblies. The dental implant guide plate utilizes the 3D printing technology to form a whole printing material, printing materials are resin, the production cost is low, the perfect attach of gums or teeth of patients can be realized, and accurate drilling is realized; the dental implant guide plate can help a patient open mouth and the patient's mouth muscle can be relax, so that tooth implantation can be conducted smoothly for a dentist; implanting lower teeth can inhibit tongue activities and avoid tongue's impact on a dentist surgery; and convex deformation of the gums can be avoided effectively.

The invention provides a variable-diameter spiral multipole ablation catheter. The variable-diameter spiral multipole ablation catheter comprises a far segment, a main middle segment and a near segment control handle which are connected in sequence. The far segment is of a variable-diameter screw configuration capable of reversibly stretching into a small size. The variable-diameter screw comprises a small-diameter screw body and a large-diameter screw body, and the small-diameter screw body has a small outer diameter and is suitable for ablation of a small-inner-diameter renal artery branch.The large-diameter screw body has a large outer diameter, and is suitable for effective ablation of the large renal artery. A plurality electrodes for ablation are arranged on each screw body, and one-time full-circumferential ablation of the renal artery is formed by adjusting distribution of the electrodes on the screw bodies. According to the variable-diameter spiral multipole ablation catheter, the single catheter meets ablation of the renal artery branch and the renal artery at the same time, perfect combination of the ablation electrodes and the blood vessel is achieved conveniently andeffectively, ablation energy is effectively transferred into ablation tissue, and therefore signal transmission fibers are effectively interdicted, and the aim of safely, conveniently and effectivelytreating high blood pressure through renal artery ablation is achieved.

The invention provides a full-automatic solder paste printing machine that can replenish powder. The adjustable rotation angle of the scraper is designed so that the scraper can meet different needs. The printing process is terminated due to the lack of paste powder, including the casing, clamping and lifting system, platform correction system, guide rail transportation system, stencil frame clamping system, scraper printing system and subsequent cleaning system, wherein the scraper printing system includes a fixed frame , through the shaft and the scraper, there is a powder replenishing part for supplementing the amount of solder paste powder on the fixed frame, and the powder replenishment part includes a powder filling part for adding solder paste powder, a storage part for storing solder paste powder Powder storage cavity and powder outlet.

The invention provides a spline basket pulsed electric field ablation catheter capable of being bent bidirectionally. The spline basket pulsed electric field ablation catheter comprises an adjusting handle, a catheter body and a treatment head. The adjusting handle comprises a bending control knob, and the bending control knob is connected with two pull wires; the catheter main body comprises at least two stay wire cavities which are axially and symmetrically distributed; the bending control knob enables the far end of the main body catheter to be bent through at least two pull wires, so that the treatment head is bent in two directions. The treatment head includes a spline basket having a plurality of splines, wherein each spline includes at least one annular electrode. The spline basket catheter has controllable bidirectional bending performance, helps a doctor to easily reach four pulmonary veins at different spatial positions, well fits the vestibules of the pulmonary veins through control of complex angles, and provides an effective high-density pulsed electric field ablation ring or surface through arrangement of 10 splines and high-density electrodes, so that the catheter has the advantages of being simple in structure, convenient to use and high in practicability. The purposes of quickly, effectively and safely isolating the pulmonary vein and treating the atrial fibrillation are achieved.

The invention provides a fully automatic solder paste printing machine with an adjustable scraper, which increases the angle at which the scraper adapts to the surface of the stencil to realize the practicability of the scraper in the printing process, and adjusts the rotation angle of the scraper so that Under different requirements, the squeegee has different restrictions on its rotatable angle, including the casing, clamping and lifting system, platform correction system, guide rail transportation system, stencil frame clamping system, squeegee printing system and subsequent cleaning system. Among them, all The scraper printing system includes a fixed frame, a through-shaft and a scraper, the scraper is fixed at the lower end of the fixed frame, the through-shaft includes a sheathing part, and a tightening part installed on the sheathing part, and the fixed The frame is socketed on the threading part through the through hole, and there is a turning part above the fixed frame, and the turning part includes a turning surface and is used to connect the threading part and the turning surface. the connection part.

The invention discloses an anorectal patch composite forming machine comprising a frame. The frame comprises a cotton processing zone, a base laying zone and a fitting shearing zone. The cotton processing zone is provided with a cotton shearing machine and a transmission motor. The base laying zone comprises a base discharging roller and a scrap recycling roller, wherein the fitting shearing zoneis provided with a first shearing machine, a first discharging roller, a second discharging roller and a second shearing machine. Raw materials on each layer are laid by layers, and finally the rapidformation of the haemorrhoid patch can be achieved in the one-step press fit mode by the shearing machine. At the same time, the consistency between the layers is ensured to avoid the misalignment. Ashaping frame ensures the consistency of the central ridge of the patch and improves the forming effect, so that the therapeutic effect of the patch is improved.

The invention relates to the field of daily masks, in particular to a multi-protection dustproof mask. The mask comprises front and back symmetrical protective covers, a protective cavity with an opening in the right side is formed in each protective cover, the right side of each protective cover is connected with two symmetrical connecting cloth, the right sides of the connecting cloth are connected with cover plates, elastic cloth is connected between the front cover plate and the rear cover plate, a protection mechanism used for protecting eyes is arranged on the upper side of the protective cavity, an abutting mechanism used for abutting against the nose bridge and the sunken positions of the cheekbones is arranged on the right side of the protection mechanism, and two dustproof mechanisms which are symmetrical in the front-back direction are fixed to the inner wall of the left side of the protective cavity. The mask can perfectly fit the human face. Meanwhile, a filtering degree of a filtering component on the outermost side is adjustable, the non-woven fabric can be replaced every time the device is worn, the device can adapt to places with heavy dust, the eyes are protected through the protection mechanism, the non-woven fabric in the device is distributed in a W shape, an internal auxiliary mechanism can assist in breathing, and meanwhile, a silica gel filter screen can be cleaned.

The invention provides a fully automatic solder paste printing machine capable of absorbing powder. The rotating angle of the scraper is designed to be adjustable, so that the scraper can meet different needs and at the same time absorb the residual powder of solder paste on the stencil. Remove the solder paste on the surface of the stencil, and secondly, recycle the solder paste raw materials, including the casing, clamping and lifting system, platform correction system, guide rail transportation system, stencil frame clamping system, scraper printing system and subsequent cleaning system, among which, The squeegee printing system includes a fixed frame, a through shaft and a scraper, and the stencil frame clamping system includes a stencil frame for clamping the stencil, and the stencil frame is used to absorb solder paste remaining on the stencil The powder suction part of the powder, the powder suction part includes a powder inlet, a powder storage channel for accumulating solder paste powder, and an opening and closing opening is arranged on the side of the powder storage channel.

The invention provides a medical optometry mirror with a clamping mechanism. The mechanism is connected to the rear end part of an optometry mirror leg through a rotary shaft I; the mechanism comprises an arc-shaped bent part connected with the optometry mirror leg; the front end of the arc-shaped bent part is connected with the optometry mirror leg through the rotary shaft I, and the rear end of the arc-shaped bent part is connected with a hook-shaped clamping part through a rotary shaft II; grooves are uniformly formed in the periphery of the rotary shaft II; a V-shaped buckling part with a bulge at the bottom is arranged above the grooves; one end of the V-shaped buckling part is connected onto the arc-shaped bent part and a pawl is arranged at the other end of the V-shaped buckling part; and the pawl extends upwards to form a pushing part. The clamping mechanism is connected to the rear end part of the optometry mirror leg through the rotary shaft, and the clamping mechanism is clamped with ears through adjusting the fitness and tightness with the ears; a condition that the optometry mirror cannot be adapted to the ears of children, caused by the fact the size of the optometry mirror is large, is not caused; and meanwhile, the optometry mirror does not fall off when the children move without permission, a good optometry foundation is provided for accurately determining optometry degrees, and the mechanism has a simple structure and is convenient to adjust.

The invention provides a double-sided alignment fitting precision detection system, which comprises a light collimation device, a light path conversion device and an imaging device; the light collimation device comprises a first light collimation device and a second light collimation device which are oppositely arranged, and the first light collimation device and the second light collimation device are used for collimating divergent light into parallel light; the light path conversion device is arranged between the first light collimation device and the second light collimation device, and the light path conversion device is used for performing angle adjustment on the light collimated by the first light collimation device and the second light collimation device so as to enable the emitted light to be parallel to the collimated light; the imaging device is arranged on one side of the light path conversion device, and the imaging device is used for receiving the light emitted by the light path conversion device for imaging. The double-surface alignment fitting precision detection system provided by the invention is simple in structure and convenient to operate, and can detect the alignment conditions of the upper and lower surfaces of the to-be-fitted part at the same time.

The invention relates to a scintillation screen coupling method. The method mainly comprises the following steps that S1, a scintillation plate is placed in a vacuum chamber; optical cement is attached to an elastic sealing piece of the vacuum cavity, the optical cement and the scintillation plate are parallel and aligned, and the face, provided with the release paper, of the optical cement faces the elastic sealing piece; the edge of the elastic sealing piece is attached to the vacuum cavity in a sealed mode, and the side, away from the optical cement, of the elastic sealing piece is communicated with the atmosphere. S2, air in the vacuum chamber is pumped away to reduce the air pressure in the vacuum chamber, so that the elastic sealing piece gets close to the scintillation plate under the action of atmospheric pressure, and the optical cement is bonded and pressed on the scintillation plate; S3, the pressure in the vacuum chamber is recovered; S4, the optical cement is aligned and bonded on the sensor and the scintillation plate; and S5, the sensor and the scintillation plate are bonded and pressed in a vacuum environment. The problem that the scintillation screen is crushed in the coupling process is solved.

The invention provides an automatic plastic board supply device and belongs to the technical field of plastic board machining. The automatic plastic board supply device comprises an upper supply assembly, a lower supply assembly and a supply drive assembly; the upper supply assembly is located above a supply platform; an upper supply belt of the upper supply assembly is arranged on a first upper supply wheel and a second upper supply wheel in a surrounding mode; a lower movable bearing block of a bearing part of the upper supply belt is attached to the upper supply belt under the function of an upper bearing spring; the lower supply assembly is located below the supply platform; a lower supply belt of the lower supply assembly is arranged on a first lower supply wheel and a second lower supply wheel in a surrounding mode; and an upper movable bearing block of a supporting part of the lower supply belt is attached to the lower supply belt under the function of a lower bearing spring. The automatic plastic board supply device can rapidly achieve continuous supply of plastic boards, the upper supply assembly and the lower supply assembly can achieve perfect attachment of the plastic boards, the supply stability of the plastic boards is good, and shaking and deviation are avoided.

The invention relates to the technical field of child orthodontic oral cavity supports, and discloses a child orthodontic oral cavity plastic support convenient for adjusting supporting force, the child orthodontic oral cavity plastic support comprises a fixed tooth socket and a side fixing plate, a clamping groove is formed in the outer surface of one end, away from a first convex plate, of the side fixing plate, and a sliding block is slidably connected to the inner surface of the clamping groove; the ends, away from the inner bottom faces of the clamping grooves, of the sliding blocks are fixedly connected with second protruding plates, the ends, away from the sliding blocks, of the second protruding plates are fixedly connected with front fixing plates, the inner side faces of the front fixing plates and the inner side faces of the side fixing plates are fixedly connected with threaded rods, and the outer surfaces of the threaded rods are in threaded connection with moving blocks. The outer surface of the end, close to the side fixing plate or the front fixing plate, of the moving block is fixedly connected with a pressing plate. The wide-mouth end of the pressing plate is driven to extrude the side fixing plate and the front fixing plate by rotating the moving block, so that the side fixing plate and the front fixing plate are continuously close to the inner side surfaces of the teeth, the inner side surfaces of the teeth are more tightly attached to the side fixing plate and the front fixing plate, and the stability is improved.

The grabbing device for mechanical manufacturing comprises an assembling mechanism, a hoisting assembly is installed at the front end of the assembling mechanism, a grabbing mechanism is installed at the lower end of the hoisting assembly, a steel ring, a hook claw and a short connection column are installed in a combined mode through a plug pin thin rod, meanwhile, connecting balls matched with clamping springs are effectively isolated from one another, and the clamping springs are clamped to the clamping springs; mutual interference when the tightness degree between the clamping spring and the connecting ball is adjusted is avoided, the elastic extrusion strength of the clamping spring on the two sides of the connecting ball can be changed by rotating the clamping blocks on the two sides of the connecting ball, and through the operation, a movable range is provided for the hook claw to shake around the arc with the short connecting column as the center on the horizontal plane; and in combination with the left-right springing effect of the spring, the impact of external force on the accessory is unloaded through rotation of a certain amplitude.

The invention relates to the technical field of automation, in particular to horizontal pressure maintaining equipment. The positioning mechanism positions the carrier loaded with the product to the positioning jig, the pressure maintaining mechanism conducts pressure maintaining machining on the product on the carrier, in the pressure applying and maintaining process, the pressure maintaining mechanism can make pressure data accurate and stable, it is guaranteed that the product subjected to pressure maintaining is not prone to having problems, and the product quality is guaranteed; the pressure maintaining head is in floating connection with the counterweight assembly through the floating structure, the pressure maintaining head is pressed on the product under the driving of the floating structure, so that the pressing stability is provided while the product is pressed, the effect that the pressure maintaining head is completely attached to the surface of the product is achieved, and the stress on the surface of the product is more uniform.

The invention discloses a manufacturing method for an asymmetric ripple pressure transmission assembly. The method is characterized in that the assembly comprises a ripple diaphragm and a spherical foundation. The method comprises steps of molding the ripple diaphragm, designing and processing the spherical foundation, welding the diaphragm with the foundation, detecting leakage and testing displacement. The high-precision spherical foundation is designed with the profile tolerance smaller than 0.008mm, precise positioning laser is employed for welding, the seam welding place is more than 1.5+ / -0.5mm away from the diaphragm rippling place, the coaxiality of the diaphragm after welding of the foundation is smaller than 0.05mm, under the condition of the 2KPa pressure, the center displacement reaches 0.7+ / -0.1mm. According to the assembly, perfect fit of the ripple diaphragm and the spherical foundation is realized, the fill liquid volume is reduced to the maximum degree, additional acting force of the diaphragm caused by low and high temperature and exerted on a pressure-sensitive system is reduced, displacement during the high temperature is guaranteed to be enough, and the response scope during the low temperature is guaranteed to be enough.

The invention provides a pipeline sludge cleaning device and sludge cleaning method for intelligent water services. The pipeline sludge cleaning device for the intelligent water services comprises a device shell, a control unit, a displacement detection mechanism, a mud scraper component and a push plate component; the mud scraper component and the push plate component are correspondingly connected to the left side of the device shell in a telescopic manner; the mud scraper component is used for cleaning the upper wall of a pipeline to be cleaned; the push plate component is used for cleaningthe lower wall of the pipeline to be cleaned; the control unit is in communication connection with an Internet of Things of an intelligent water service system and used for adjusting the expansion andretraction lengths of the mud scraper component and the push plate component; the displacement detection mechanism is electrically connected with the control unit and used for detecting a distance between the device shell and the pipeline to be cleaned; and therefore, the expansion and retraction lengths of the mud scraper component and the push plate component can be adjusted in real time to realize perfect fit between the mud scraper component and the push plate component and the upper wall and the lower wall of the pipeline so that the manual operation cost is saved and higher sludge cleaning efficiency is realized; and therefore, the technical problems that pipeline sludge cleaning needs manual operation and the sludge cleaning efficiency is low in the prior art are solved.

The invention belongs to the field of machine manufacturing and light alloy machining deformation, and relates to a turning machining anti-deformation bidirectional structure and method based on an edge long overhanging thin wall, the structure comprises a base, a locking shaft sleeve, a secondary positioning disc and a clamping structure, the base sequentially penetrates through the locking shaft sleeve and the secondary positioning disc to be connected with the clamping structure, and the locking shaft sleeve is connected with the clamping structure; on the basis of maintaining the original clamping of the edge long overhanging thin-wall part, a supporting effect of a suspended secondary contact surface of the machined thin-wall part is provided, a complete fitting effect is achieved, the free state and the machining process state of the thin-wall part are kept consistent, an axial two-way operation function is achieved, two-way positioning and two-way pressing are achieved, and the machining precision of the thin-wall part is improved. And the pressing force has no distributed internal stress effect on the edge long overhanging wall thickness. The device has the advantages of being simple and compact in structure, light in weight, high in efficiency and high in precision, deformation in the turning process of the thin-wall part is controlled through optimization of clamping force and clamping layout, machining quality is guaranteed, and the device has important actual guiding value.

The invention discloses an installation tool of an airplane thin-wall component, a tool manufacturing method and a using method. The installation tool comprises a tool body and a handle insert, and the outer contour of the tool body is profiled on the inner surface of the component. The manufacturing method of the installation tool for the airplane thin-wall component comprises the following steps: attaching a transparent adhesive tape to the surface of the component; coating the surface of the component with a release agent; paving multiple layers of fiber cloth on the surface of the component; carrying out pre-curing treatment; demolding; gluing a corresponding insert; and after proper trimming and polishing, curing, and forming the installation tool. The application method of the installation tool comprises the following steps that the aircraft thin-wall component is glued to the corresponding position; the tool is pressed into the part, redundant adhesive is extruded out, and the outer wall of the part is evenly attached to the periphery of the part; and the tool and the component are separated after being subjected to pre-curing treatment, and then the component is trimmed and polished. According to the invention, the actual problem of extrusion deformation of an adhesive on a part in the composite material bonding process is solved.