18results about How to "Fit evenly" patented technology

This utility model discloses a conical drum device for a horizontal decanter centrifuge, relating to the field of horizontal decanter centrifuge technology. It includes a straight drum body and a conical drum body, with a positioning component between them. The positioning component includes an inner positioning groove fixedly formed on the inner wall of the end of the straight drum body, and an outer positioning groove fixedly formed on the outer ring of the end of the conical drum body. The outer and inner positioning grooves are interlocked. This utility model, through the installation of the positioning component, pre-positions the welding area between the straight and conical drum bodies before welding, thereby ensuring the welding quality. This solves the problem in existing horizontal decanter centrifuges where the conical and straight drum bodies cannot be pre-positioned before welding, leading to easy misalignment during welding and affecting the welding quality.

This invention relates to a composite vibration-assisted flexible conformal polishing device for complex curved optical elements, comprising a gantry with a worktable positioned below it; a vertical vibration mechanism is positioned on the gantry facing the working bearing area to provide vertical vibration force; a flexible conformal polishing disk conformally and uniformly fits the optical element to its lower end; the optical element is located on a horizontal sliding vibration mechanism in the working bearing area, achieving short-distance reciprocating sliding vibration in the lateral direction; the short-distance reciprocating sliding vibration in the lateral direction and the vertical vibration combine to form a composite vibration. The vibration of the flexible conformal polishing disk in both the vertical and horizontal directions improves the material removal efficiency of the optical element and enhances the fit characteristics of the flexible conformal polishing disk to the complex curved optical element, thereby improving the smoothness of small-scale ripples. It can be used for rapid removal of defects remaining from previous processing during rough polishing, and can also be used to remove small-scale ripples after sub-aperture polishing.

The utility model discloses a biscuit sandwich injection machine, it includes: injection station, the right lower side of injection station is equipped with the operation groove, the bottom of operation groove is slidably connected with the conveyer belt in the front -back direction, the conveyer belt is equidistant and is placed with a plurality of monolithic, the top right side of injection station is embedded and is assembled with automatic injection core machine, the bottom center of automatic injection core machine is fixed with the injection core mouth of intercommunication, the bottom output end of injection core mouth is fixed with the injection core pipe of intercommunication, the bottom of injection core pipe is downward and is penetrated injection station and is vertically erected in the lower layer of operation groove, the outside of injection core pipe is slidably connected with the slip ring, the bottom fixed connection of slip ring has the isolation ring cover, the sandwich material on monolithic is carried out the circular platformization shaping, keeps the uniform stable of adhering form, ensures its in the subsequent monolithic superposition and is opposite to the sandwich material process even diffusion to the outside, thereby even pasting monolithic surface, avoids the problem that one -sided sandwich material is too much and appears to extrude to the outside.

The utility model provides a kind of pull tab connecting piece and thermal superimposed wall, including the pull tab joint and single-head pull tab of being connectable, the pull tab joint is rectangular sheet, the pull tab joint is set with through-hole in one end away from the single-head pull tab, the pull tab joint is set with strip slot in another end close to the single-head pull tab, the end of single-head pull tab close to the pull tab joint is formed with protrusion, the protrusion can be connected with the strip slot clearance hook, the end of single-head pull tab away from the pull tab joint is set with mounting hole.The utility model can realize the production of low thermal conductivity and low cost material, avoid the risk of forming thermal bridge, improve the thermal performance of thermal superimposed wall.

The application discloses a kind of food-grade silica gel triple-sealed high-precision bearings, it is related to bearing technical field, including bearing inner ring, bearing outer ring and the sealing ring of being installed in the inner side of bearing outer ring, the outer raceway both sides of bearing inner ring are equipped with one straight angle sealing groove with the cross section of 90 ° at two ends of shoulder or baffle respectively;The sealing ring includes metal framework and food-grade silica gel rubber coating integrally formed on the metal framework;The food-grade silica gel rubber coating extends towards the inner side of bearing inner ring and forms integrated three sealing lips, including two radial sealing lips with the contact of two radial side walls of the straight angle sealing groove, and one axial sealing lip with the contact of the axial bottom surface of the straight angle sealing groove.The application has the beneficial effects of material safety, no pollution, excellent sealing performance, high processing efficiency, the processing cycle is shortened by more than 40%, the leakage rate is reduced by more than 95%, and has wide application value.

This invention belongs to the field of food packaging technology, specifically disclosing a packaging device and method for grilled sea bass. It includes a main structure and an upper shell distributed above the main structure. A dragging structure is arranged on the upper part of the main structure, and an extrusion structure is arranged on the lower part of the upper shell. The dragging structure includes a dragging frame fixed above the main structure and a connecting frame fixed to the inner wall of the dragging frame. Packaging slots are evenly distributed on the connecting frame. In use, the lower packaging material is pre-placed on the connecting frame, then the grilled fish is placed on the lower packaging material, and then the upper packaging material is placed below the extrusion structure. When the extrusion structure abuts against the connecting frame, the upper packaging material cooperates with the lower packaging material to package the grilled fish. This invention achieves fully automated operation from packaging material positioning to finished product output through integrated automatic material laying, vacuum sealing, integrated cutting, and automatic separation and unloading mechanisms.

The utility model discloses a model bracket for ship design, including multi -angle fastening adsorption subassembly, multi -angle fastening adsorption subassembly includes strip -shaped groove, circular receiving groove, sphere, receiving cylinder, cylindrical groove, cylinder rod and sucking disc, the strip -shaped groove and circular receiving groove are set up on the bracket main part, the sphere is movably connected in the strip -shaped groove and circular receiving groove, the receiving cylinder is fixedly connected on the sphere middle part, the cylindrical groove is set up in the receiving cylinder, the cylinder rod is movably connected in the cylindrical groove, the sucking disc is fixedly connected on the cylinder rod top. The utility model ball can make the sucking disc with the ship model surface form adaptive tilt in the rotation of circular receiving groove, ensure that sucking disc overall even stick together, eliminate the edge " line contact " stress concentration problem caused by traditional rigid connection, protect the ship model surface made of brittle material such as resin, ABS and do not produce indentation or crack, can further avoid the phenomenon of stress damage of ship model.

This invention discloses an automated crop planting device for cuttings, relating to the field of agricultural machinery. It includes a planting cylinder and a lifting platform. The upper part of the planting cylinder has a seedling delivery component within a seedling separation chamber. Its trumpet-shaped support plate, with its wide opening facing upwards, accommodates seedlings. A concentric seedling separation plate at the bottom is driven to rotate by an independent motor. Mechanical single-plant separation is achieved through seedling holes and notches. Seedlings fall under gravity through the delivery tube into the lower cutting chamber. The rotation speed of the seedling separation plate is linked to the walking speed and the cutting frequency to ensure proper spacing between plants. The cutting chamber is equipped with an adaptive cutting component. Seedlings fall between a pair of synchronously rotating inward-facing conveying gears, and are elastically clamped by a tension spring to adapt to irregular shapes and avoid damage. Simultaneously, the V-shaped clamp of the vertical cutting component moves downwards to correct tilting, achieving precise vertical insertion of seedlings into the soil. This device realizes mechanical single-plant separation, elastic adaptive clamping, and vertical cutting, improving operational efficiency and survival rate.

The utility model relates to industrial detection equipment technical field especially relates to a kind of blade root detection device for TRT blade production. Including bottom plate, the top of bottom plate is provided with support, the top of support is provided with sleeve shell, electric push rod with telescopic end is installed in sleeve shell, and mounting block is connected on the telescopic end of electric push rod, sliding frame one is slidably arranged on mounting block, ultrasonic detector for TRT blade blade root detection is arranged in the bottom of sliding frame one, fixed part is provided on bottom plate, and limiting module for placing TRT blade blade root is detachably provided on fixed part. Through electric push rod drive first sliding frame moves, and the rolling structure of guide rail and moving wheel is combined, so that ultrasonic detector can be stably, evenly adhered to the surface of TRT blade blade root and scanned, effectively avoid the data error caused by hand shaking or poor contact in traditional manual operation, significantly improve the accuracy of detection result.

The application relates to the technical field of fan impeller machining, in particular to a modular fan impeller assembling and welding device, a welding method and a fan impeller. The assembling and welding device comprises the following: a first station provided with a pressing device and a transverse limiting device, which are used for pressing the welding edges of inner and outer blade plates to a lamination state; a second station provided with an upper pressing plate, a lower pressing plate and a rotary driving piece, which are used for realizing welding surface switching; a third station provided with a locking tool and a swing table, which are used for driving the swing of an impeller assembly and completing the welding work of the connecting edges of the outer blade plate and an upper cover; welding mechanical arms are installed at each station; the transverse limiting device comprises two clamping blocks and a clamping driving piece, the opposite surfaces of the two clamping blocks are provided with limiting grooves matched with the inserting connecting edges of the blades, and the opposite surfaces of the supporting block and the pressing block of the pressing device are provided with profiled surfaces matched with the outer blade plate and the inner blade plate, so that the fast and accurate alignment of the welding edges of the inner and outer blade plates is realized, and the spatial position precision of the inserting connecting edges after the blades are formed is guaranteed.

This application provides a coating fixture and coating equipment. The coating fixture includes a mask assembly and a magnet assembly. The mask assembly includes an annular base plate, a mask plate covering the upper side of the base plate, and a pressure plate. The mask plate has an array of patterned openings in its center, and first and second connecting holes are respectively provided on its two side edges in a first direction. The base plate has bosses that respectively engage with the first and second connecting holes. The inner diameter of the first connecting hole matches the outer diameter of the corresponding boss, and the second connecting hole is an elongated hole extending along the first direction, with the width of the elongated hole matching the outer diameter of the corresponding boss. The pressure plate is disposed around the upper side of the base plate, forming a substrate placement groove in its central region, with the mask plate serving as the bottom of the substrate placement groove. The magnet assembly covers the upper opening of the substrate placement groove and is detachably fixedly connected to the mask assembly. This application enables the mask plate to fully adhere to the substrate, improving the coating quality.

The utility model provides a machine core assembly for a corrugated carton sealing machine, and belongs to the technical field of carton sealing machines. The problem that in the prior art, a machine core component is insufficient in precision is solved. According to the machine core assembly for the corrugated carton sealing machine, a front wheel side plate is connected to the outer side of a first shaft sleeve in a sleeving mode, a front roller is connected with the lower end of the front wheel side plate, the two ends of a second front wheel shaft are connected with second shaft sleeves, and the second shaft sleeves penetrate through the front wheel side plate; the knife rest positioning shaft is installed between the left side plate and the right side plate, the knife rest side plate is connected with the knife rest positioning shaft, the other end of the knife rest side plate is fixedly connected with the knife rest fixing shaft, and the cutter is installed in the blade fixing plate and extends out of the blade fixing plate. The adhesive tape has the advantages of being high in structural strength, good in stability and capable of enhancing the attaching effect of the adhesive tape.

This invention relates to the field of automotive sunroof cleaning technology and discloses a cleaning device for automotive sunroofs, including a support base and a movable base. Multiple rotary joints are fixedly mounted on the top of the movable base, and a hollow cleaning rod is rotatably mounted on the bottom of each rotary joint. A cleaning box that normally swings downwards is rotatably mounted on the bottom of the cleaning rod. The cleaning box has two cavities separated by a partition plate. This invention features an elastic hinge structure consisting of a rotating shaft and a torsion spring between the bottom of the cleaning rod and the cleaning box. Each cleaning box floats independently, and the contact pressure is automatically balanced by the torsion spring preload and the glass reaction force. When the sunroof glass is curved, each cleaning box automatically adjusts its swing angle according to the curvature of the glass surface. The cleaning box in the center has a smaller swing angle, while the cleaning boxes at the edges have a larger swing angle. All soft bristles are evenly adhered to the glass surface with constant pressure.

This invention relates to the field of mechanical seal technology, specifically to a double-end-face split mechanical seal, comprising a split upper flange, a lower flange, an intermediate shell, a transmission seat, a medium moving ring, a medium stationary ring, an atmospheric moving ring, and an atmospheric stationary ring. The transmission seat is fixed on a rotating shaft, and the intermediate shell is sleeved on the outside of the transmission seat. The upper and lower flanges are respectively connected to both ends of the intermediate shell. The atmospheric stationary ring is installed with the upper flange, and the medium stationary ring is installed with the lower flange. The medium moving ring and the atmospheric moving ring are axially connected to both sides of the transmission seat, and a space is left between them to accommodate an elastic element to provide axial clamping force for the moving ring, pushing the moving ring to fit against the end face of the corresponding stationary ring to form a double-end-face sealing pair. The intermediate shell, upper flange, lower flange, and double-end-face sealing pair together form a sealing cavity. At least one of the intermediate shell, upper flange, and lower flange has a fluid interface communicating with the sealing cavity. This mechanical seal has a simple structure and is easy to install.

This invention belongs to the field of screen bonding technology and discloses a full bonding method using liquid adhesive. The full bonding method using liquid adhesive includes the following steps: placing a lower substrate horizontally; applying liquid adhesive to the left side of the lower substrate; aligning the upper substrate and the lower substrate horizontally, such that the right side of the upper substrate is aligned with the left side of the lower substrate in the front-back direction, while simultaneously ensuring that the projection of the right side of the upper substrate in the vertical direction falls within the liquid adhesive application area; moving the upper substrate downwards, so that a portion of the upper substrate is immersed in the liquid adhesive, while the lower surface of the upper substrate is spaced apart from the upper surface of the lower substrate; moving the upper substrate to the right until the right side of the upper substrate coincides with the right side of the lower substrate; moving the upper substrate downwards until the vertical distance between the upper and lower substrates is a preset adhesive layer thickness. This method is suitable for bonding substrates with very thin adhesive layers, results in minimal adhesive overflow, minimal liquid adhesive waste, and good bonding quality.

This invention relates to the field of welding torch wire feeding mechanism technology, specifically a welding torch wire feeding mechanism with freely adjustable angle. It includes a wire stabilization mechanism, a lifting assembly mounted outside the wire stabilization mechanism and mounted on the welding torch nozzle, a wire delivery mechanism mounted on the wire stabilization mechanism, a lateral angle adjustment mechanism mounted on the wire stabilization mechanism, and four sets of alignment components disposed on the wire stabilization mechanism and the wire delivery mechanism. The wire stabilization mechanism includes a sleeve. By fixing the lifting assembly to the welding torch nozzle and installing the wire stabilization mechanism parallel to the nozzle within the lifting assembly, and using the lateral angle adjustment mechanism to control the lateral angle change of the wire delivery mechanism, the welding wire extending from the wire delivery mechanism can be effectively angled. This provides an unobstructed path for wire delivery at different angles according to the tilt state of the welding torch and the workpiece.

The invention relates to a pressing mechanism and a sole pressing machine for shoemaking, the pressing mechanism is provided with a supporting seat, a telescopic cavity is arranged on the supporting seat, and a following material is arranged in the telescopic cavity; when the telescopic cavity is contracted, the following material outputs power to drive a profiling block, the profiling block extends to the pressed object and presses the pressed object; the profiling block is arranged on the corresponding side of the telescopic cavity and can extend according to the curvature of the pressed object, so that the front end of the profiling block can be arranged according to the curvature of the pressed object and give appropriate pressing force to the curvature of each region. The profiling block is synchronously stressed, and the pressure is balanced, so that the pressing effect is improved, the pressing is compact, flat and smooth, and the manufacturing and use performance of the sole pressing machine is optimized. The steel ball is pushed by the machine, the profiling block is pushed by the steel ball, the profiling block forms the curvature that matches the shoe when the profiling block meets the concave-convex part of the shoe, the shoe edge can be closely and flatly attached to the shoe edge according to the curvature, seamless pressing is realized, and the manufacturing efficiency and quality are improved.