13results about How to "Guaranteed deformation" patented technology

The utility model discloses an electrolytic manganese cathode plate beating device which comprises hammer plates symmetrically arranged on the two sides of a cathode plate, a beating hammer head and a cushion hammer head are alternately arranged on the hammer plate on each side, and the height of the beating hammer head is larger than that of the cushion hammer head. And the striking hammer heads and the cushion hammer heads on the hammer plates on the two sides are distributed in a complementary manner by taking the symmetric central plane of the cathode plate as a reference, so that a multi-point combined striking structure is formed. The hammer plate is connected with the driving mechanism through a flexible connecting assembly, and the flexible connecting assembly comprises a plurality of elastic supporting arms and is used for self-adaptively adjusting the contact and stress state between the hammer head on the hammer plate and the cathode plate. According to the utility model, the two sides of the cathode plate are simultaneously knocked, so that the cathode plate can be ensured to deform when being knocked, the deformation can be controlled within an elastic deformation range, the cathode plate is protected from plastic deformation, the service life of the cathode plate is protected and prolonged, and the stripping effect is better.

This invention relates to the field of mechanical component processing, specifically a high-precision mechanical component processing device, comprising a frame, on which a chuck and a tailstock are mounted for clamping a workpiece to be processed. A cutting mechanism 2 is mounted on the frame for cutting the workpiece. A stabilizing component is mounted on the frame and cooperates with the cutting mechanism 2. A cleaning mechanism is mounted on the cutting mechanism 2 for removing metal chips that fall into the cutting mechanism 2. An abutting mechanism is mounted on the cutting mechanism to support the workpiece, ensuring that the workpiece remains in contact with the mechanism during processing. When the cutting mechanism moves, it drives the cleaning mechanism to move as well. During this movement, the cleaning mechanism presses against the stabilizing component, causing impurities to be pushed downwards from the cutting mechanism and discharged into the frame.

The utility model relates to aerospace precision machining equipment technical field, especially a kind of general fixture for turbine pump shell machining, including base, precision chuck, base plate, three groups of moving slider, three centering clamping jaws and three pressing plate;Adopt composite positioning mode, through high-precision chuck three-jaw self-centering principle, initial positioning X, Y centering;Adopt three-point plane principle, utilize the locating surface of spherical contact component, realize Z positioning;Base plate adopts thread+positioning pin hole combination;It can be quickly disassembled according to different product size conversion positioning and clamping.This utility model clamps shell class parts, adopts three-jaw self-centering clamping mode to cooperate three-point spherical positioning principle.And adopt the end face of axial compression part, can be well guaranteed part deformation, realize shell processing process clamping without deformation, ensure turbine pump shell machining after ultrahigh precision, clamping operation is convenient, improve processing efficiency, satisfy design requirement after processing.

The utility model relates to the technical field of new energy batteries, in particular to a battery pack and a vehicle, a battery box body in the battery pack is high in structural strength, can bear large pressure in the vertical direction, can reliably support an automobile seat, ensures the setting strength of the automobile seat, and ensures the assembly quality and safe driving of the whole vehicle. And the upper cover of the battery box body is high in structural strength and not easy to deform, the air tightness of the battery box body is good, and the risk of thermal runaway of the battery is reduced. The battery pack comprises a battery box body, an upper cover and a supporting assembly, a plurality of stiffening beams are arranged in the battery box body, the interior of the battery box body is divided into a plurality of battery containing spaces by the stiffening beams, and the battery containing spaces are used for arranging battery packs; the upper cover covers the battery box body; the supporting assembly is arranged on the reinforcing beam and comprises a supporting piece and a reinforcing piece, the supporting piece is connected with the reinforcing beam through the reinforcing piece and abuts against the upper cover, at least the middle of the supporting piece is of a double-layer structure, and the double-layer structure forms a cavity.

This invention belongs to the field of semiconductor positioning technology, and specifically relates to a rotatable flexible hinge and a semiconductor positioning device. The flexible hinge includes a first fixed part, a second fixed part, multiple deformable parts, and a support part. The second fixed part and the first fixed part are arranged parallel to each other along the X-direction. Under the action of the deformable parts, the flexible hinge can deform around the Z-direction, thereby driving the second fixed part to rotate. The support part supports the first and second fixed parts along the X-direction, ensuring that the distance between the first and second fixed parts remains at a preset value. This improves the stiffness of the flexible hinge in the X-direction, reducing the deformation of the flexible hinge when subjected to forces along the X-direction, and thus ensuring the positioning accuracy of the semiconductor positioning device when positioning the semiconductor.

The utility model provides a kind of inner folding flexible screen belongs to flexible screen technical field, to solve in prior art, folding flexible screen mainly through integrated high-precision hinge mechanism realizes the foldable function of equipment, to take into account portability and big screen experience, however, in actual use process, when flexible display repeatedly bending, its folding angle area is prone to local stress concentration, affect the reliability and service life of screen Problem, including the cover plate is fixed in the lower end surface of protection film;The display panel is fixed in the lower end surface of cover plate;The functional film is fixed in the lower end surface of display panel;The protection panel is fixed in the lower end surface of functional film;The support plate is fixed in the lower end surface of protection panel;By the setting of the utility model, not only realize the shaping of flexible screen folding angle, also effectively control the radian in folding process, significantly prolong the service life of flexible screen.

The application discloses a preparation method of silica nano-aerogel heat-insulating paper, which comprises the following steps: (1) covering a permeable membrane interlayer on the surface of each fiber paper; (2) preparing a silica aerogel prepolymer mixed solution; (3) compounding the silica aerogel prepolymer mixed solution with the fiber paper to obtain wet silica aerogel paper; and (4) performing solvent replacement, hydrophobic modification and drying on the wet silica aerogel paper. The aerogel paper is prepared by covering the permeable membrane interlayer on the surface of the fiber paper and applying gravity in the gel process, so that the problems of the brittleness of the aerogel itself, the low strength of the fiber material itself, the damage of the prepared ultra-thin aerogel paper (less than or equal to 0.3 mm) and the like are solved, the gel absorption amount of the fiber paper is effectively controlled, and the flatness, thickness and thickness size deviation of the aerogel paper are ensured; and the prepared silica nano-aerogel heat-insulating paper is flat in appearance and free of defects such as wrinkles, holes and cracks which affect use.

The application discloses a grinding device, a method for adjusting grinding pressure and a plate loading and unloading mechanism, relates to the technical field of semiconductors, and is used for eliminating the influence of hard particles on the back surface of a wafer on a photoetch process, thereby improving the quality of semiconductor devices. The grinding device comprises a rotating part and a grinding part arranged on one side of the rotating part; the rotating part is used for fixing the relative position of the wafer and the grinding part and for driving the wafer to rotate; the grinding part has a grinding area for grinding the back surface of the wafer; and the shortest vertical distance from the rotating shaft of the rotating part to the edge of the grinding area is smaller than the radius of the wafer. The grinding device is applied to a polishing device.

The application discloses an airway stent, which comprises at least one stent unit, wherein the stent unit comprises a tubular stent body and an outer membrane covering the surface of the stent body, the outer membrane extends to the inner cavity of the stent body to form an intracavity membrane separating the inner cavity into two independent spaces, a tear line is arranged on the intracavity membrane, and the outer membrane extends along the distal end of the stent body to form an extension membrane. Different combination forms of the airway stent are selected to adapt to different types of airway diseases; adjacent stent units are connected by the distal stent body and the extension membrane under pressure to ensure the flexibility and certain deformation capacity of the whole airway stent; mutual restraint of each stent unit is realized, so that the displacement of the whole airway stent is avoided, and the granulation tissue proliferation caused by the shearing friction between the airway stent and the airway is reduced.

The utility model relates to the field of connectors, in particular to a columnar conductor connecting structure and a circuit board assembly. The columnar conductor connecting structure is used for connecting a columnar conductor to a circuit board and comprises an insulating shell and at least one conductive terminal, and the insulating shell is used for being installed on the circuit board and is provided with at least one embedding groove; the conductive terminals are clamped in the corresponding embedding grooves, and each conductive terminal is provided with at least one electric connection part and at least one clamping fixing part; wherein the electrical connection part is used for being electrically connected with a corresponding part of the circuit board, and the clamping and fixing part is used for clamping and fixing the columnar conductor. According to the utility model, reliable connection between the cylindrical conductor and the circuit board can be conveniently realized.

The utility model provides a kind of cylindrical lithium ion battery, including positive current collector and roll core, wherein, disc body is equipped on positive current collector, disc body and the full tab end surface of roll core are welded fixed;The radius of roll core is R0, and the shortest distance of disc body edge to roll core edge is L4, and the radius of roll core and the shortest distance of disc body edge to roll core edge satisfy: L4 / R0=8.6~12.6%.The cylindrical lithium ion battery passes through the proportion range of radius of roll core and the shortest distance of disc body edge to roll core edge by reasonable setting, can both ensure in shell wall to the deformation of axis center, also cannot easily contact the disc body edge of positive current collector, effectively reduce short-circuit risk;It can also ensure that disc body and roll core have enough weldable area, maintain the overcurrent capacity of welding wire, avoid that welding wire place temperature rises too high, to guarantee the safety and performance of battery.

The application discloses a silicon carbide fiber turbine rotor blade preform and a preparation method thereof, and belongs to the field of material science and engineering. The method comprises the following steps: preparing by using low-buckling silicon carbide fiber cloth, preparing by dividing the turbine rotor blade into an inner core and an outer layer, and using the integral layer forming method for the inner core and the outer layer, so that the blade body and the tenon in the inner core are an integral whole, and the carrying capacity and the stability of the blade are greatly improved; and the low-buckling silicon carbide fiber cloth has low buckling, good in-plane performance, and the yarn is easier to deform and keep the original mechanical properties of the fiber in the forming process of the blade; compared with the blade prepared by the traditional method, the blade prepared by combining the satin silicon carbide fiber cloth and the integral layer forming has better oxidation resistance, creep resistance, higher damage tolerance and energy absorption performance.

This utility model relates to the field of flow slide technology and discloses a flow slide with a buffer structure. The flow slide with a buffer structure includes a mounting shell, a connecting shaft inside the mounting shell, a roller rotatably connected to the arc surface of the connecting shaft, a buffer mechanism inside the mounting shell, a promoting mechanism inside the mounting shell, a sealing block detachably connected to the upper surface of the mounting shell by bolts, and a mounting block fixedly installed on the inner wall of the mounting shell. In this flow slide with a buffer structure, a rubber sleeve is fixedly installed on the surface of the roller. When the roller is impacted, the rubber sleeve deforms to buffer a certain amount of impact force. Simultaneously, the slider moves along the straight rod, and the return spring deforms to buffer the impact. As the sleeve moves along the straight rod, a limiting ring on the sleeve, in conjunction with a rubber pad, limits the movement distance of the slider, ensuring the deformation of the return spring, thereby ensuring stable operation and relative stability of the roller.