136results about How to "Guaranteed positioning accuracy" patented technology

The utility model discloses a kind of semi-automatic foot mat machines, including rack, the top of rack is fixedly connected with Feida positioning mechanism, horizontal material taking mechanism and rotary positioning mechanism;Feida positioning mechanism includes mounting seat, and the material roll for installing foot mat roll material of fixedly connected on mounting seat, for receiving the material roll of foot mat roll material bottom film, for driving material roll to go out multiple material pulling roller, for stripping the positioning stripping assembly of foot mat material on roll material;Horizontal material taking mechanism includes stand, cross-moving component being installed on stand, and for suction foot mat material and take material component up and down;Rotary positioning mechanism includes driving motor being installed in rack, and rotary positioning disc are fixedly connected with driving motor output end, bottom disc is installed in rotary positioning disc top, and for compacting bottom disc compacting component.The utility model compared to pure manual operation, can improve production efficiency, and guarantee the positioning accuracy of each link in production process, help to improve the production quality of foot mat.

This utility model relates to the field of cast iron pot mold technology and discloses a multi-temperature zone circulating preheating heating device for cast iron pot molds. It includes a base, with support columns symmetrically fixedly connected to the top of the base in all directions. A fixed seat is fixedly connected to the top of each of the four support columns. A pressing and heating mechanism is provided on the top of the base. Multi-temperature zone differentiated heating is achieved through a combination of an electromagnetic induction coil and an infrared radiation heating tube. The electromagnetic induction coil is arranged between the bottom of the lower mold base and the inner mold, using the principle of electromagnetic induction to rapidly heat the bottom of the mold, suitable for efficient heating of thick-walled parts of the cast iron pot mold. The infrared radiation heating tube is located between the lower mold base and the inner mold, above the heat insulation ring, and can uniformly radiate heat to the sidewalls of the mold. The combined effect of these two methods significantly shortens the preheating time compared to traditional single heating methods, while simultaneously meeting the temperature requirements of different parts of the mold, effectively improving production efficiency.

This application provides a fixture and method for clamping and machining thin-walled welded parts, relating to the field of fixture and tooling technology. The fixture includes a base mechanism, a central positioning mechanism, an angular positioning structure, an auxiliary support mechanism, and a clamping mechanism. The base mechanism uses a disc and multiple circumferentially arranged elongated plates to form a support surface; the central positioning mechanism mates with the positioning inner hole of the part to achieve central positioning; the angular positioning structure mates with the angular hole of the part to achieve angular positioning; the auxiliary support mechanism is set for each lug to be machined, using V-shaped supports and lateral limiting components to provide auxiliary support and limit the lugs to be machined; the clamping mechanism clamps the part to the clamping reference surface. This solution can improve the clamping stability, positioning accuracy, and local rigidity during machining of thin-walled welded parts, reduce vibration and lateral displacement of the lugs to be machined, and reduce the risk of cracking at the weld joint.

The present application relates to the technical field of tunnel construction, in particular to a tunnel shield support non-blasting excavation method and equipment, the excavation method comprises four steps of drilling and pumping, concrete solidification, excavation of the surrounding rock and waterproof treatment, the method forms a concrete closed-loop shield support system by drilling and pumping in advance, a stable closed-loop support structure is formed before the excavation of the surrounding rock, effectively preventing the large deformation of soft rock and the rock burst phenomenon caused by stress release in hard rock during tunnel excavation; the system anchor rod, concrete spraying construction and explosive blasting process in the traditional support system are cancelled, which is safe and reliable, and has high economic benefits. The excavation equipment shares a propulsion mechanism through the spiral drill module and the reverse circulation down-the-hole drill module, without the need for separate propulsion devices for the two drill bits, the feed is achieved by driving the arc-shaped limiting piece with a chain, and the limiting block, the worm and the ring worm gear transmission self-locking function are matched to ensure the positioning accuracy of the drill bit during drilling, and to reduce the complexity of the equipment structure and the purchase and maintenance cost.

The application provides a vehicle frame laser cutting and hydraulic punching integrated device and method, the integrated device comprises a moving module and a hole opening module; wherein the moving module comprises a robot moving track, an X-direction sliding table switching mechanism, a lifting mechanism and a hydraulic punching module X, Y displacement sliding table which are located inside the robot moving track; the hole opening module comprises a laser cutting seven-axis robot and a plurality of hydraulic punching modules; in operation, the integrated device provided by the application firstly uses the seven-axis robot laser cutting to ensure the flexible production and position accuracy of each vehicle body mounting hole and cargo compartment positioning hole; then the hydraulic punching module is used to positively punch and reversely punch the front and rear mounting holes of the vehicle frame lower swing arm and the front and rear mounting holes of the leaf spring seat, so as to ensure the flexible production and position accuracy of the front and rear mounting holes of the lower swing arm and the front and rear mounting holes of the leaf spring seat. Meanwhile, the punching and cutting after the vehicle frame welding can reduce the hole position change caused by welding deformation.

The application discloses a kind of automatic loading and unloading devices of chain plate heating bending, belong to chain plate processing field.The device includes feeding assembly, unloading assembly and transfer assembly, feeding assembly is provided with multiple feeding tables with feeding table, feeding table is rotatably arranged on the surface of base, the surface of feeding table limits chain plate position, and then multiple chain plates can be placed on the surface of single feeding table, when the chain plate on the surface of single position feeding table is pushed by pushing assembly, chain plate can be placed on other feeding table position manually, workers can intermittently carry chain plate, and the labor intensity is relatively lower, simultaneously, chain plate feeding is directly controlled by pushing assembly, and the chain plate feeding demand time is easy to control;And setting unloading assembly sliding on the surface of base, the chain plate after bending is directly unloaded by pushing unloading assembly, without manual removal, realize the automatic unloading of chain plate after bending, reduce the manual intervention link, reduce worker labor intensity and guarantee to maintain chain plate conveying demand time.

The utility model relates to the field of docking platform discloses automatic docking platform mechanism, including frame and install docking platform bottom plate on the frame still include: mechanical arm, install in docking platform bottom plate, and the execution end of mechanical arm is equipped with the electric clamp jaw for grabbing material, placing rack, install in one side of docking platform bottom plate, be used for receiving and temporary storage material disc, AGV dolly, movable to the below of placing rack, in the utility model, through the accurate butt joint of lifting platform and placing rack, the automatic grabbing of mechanical arm electric clamp jaw, replace manual transfer material disc's operation, avoid the lens pollution or damage risk caused by manual contact, reduce manpower cost investment simultaneously, and the mechanical fixing of the orientation limit and positioning mechanism of U type opening structure, form multiple deviation prevention, prevent mistaken operation mechanism, ensure that material disc is from the position precision of transportation to feeding.

This utility model provides a protective film punching die structure that is easy to fix, including: a die assembly and a fixing assembly. The die assembly has a fixing assembly installed inside for fixing the lower die part. The die assembly includes an upper die part and a lower die part for producing protective film punching cutters. The fixing assembly includes a fixing member one and a fixing member two for fixing the lower die body. The fixing member one is provided in multiple sets, and the fixing member two is provided in two sets. Compared with the prior art, this utility model has the following beneficial effects: by setting the fixing member two, during use, by controlling the extension and retraction of the cylinder, the fixing member two can be quickly moved closer to and away from the fixing member one, thereby quickly completing the clamping and loosening operation of the lower die body. When combined with the fixing member one, compared with the traditional mechanical clamping method, it greatly saves operation time and improves production efficiency, especially suitable for frequent clamping operations in batch production.

The utility model provides a sheet part punch tapping indexing device, including rotation indexing mechanism, rotation indexing mechanism includes the fixed baseplate of being fixedly connected with drill press concentrically, rotation indexing mechanism still includes rotation baseplate, rotation baseplate concentric indexing rotation relative fixed baseplate, and rotation baseplate drives rotation through the hand wheel drive mechanism of installation in vertical side surface, hand wheel drive mechanism drives rotation baseplate rotation through right angle bevel gear transmission, rotation baseplate concentric fixedly links nut pressure mechanism and drives nut pressure mechanism concentric rotation, and nut pressure mechanism includes support frame, and support frame realizes sheet part synchronous rotation through the concentric pressure fixed installation sheet part of nut and elastic pad. The utility model reduces sheet part punch tapping waste rate to 2%, compact structure, convenient operation, guaranteeing accuracy reduces processing cost at the same time.

The utility model discloses a reinforced concrete pavement reinforcing positioning device, including a plurality of support mechanism for spacing arrangement along the length direction of reinforcing bar, the support mechanism includes support seat, antiskid sleeve and hoop assembly, install the hole on the support seat, the antiskid sleeve is detachably worn in install the hole and part section is along the axial extension and goes out install the hole, the inner hole of antiskid sleeve is used for wearing reinforcing bar, the hoop assembly is worn on the position of antiskid sleeve and goes out install the hole and is used for the hoop tight antiskid sleeve to pass through antiskid sleeve clamping fixed reinforcing bar. The utility model provides reinforced concrete pavement reinforcing positioning device can adjust the support position flexibly, satisfies the positioning support demand of different reinforcing bar to ensure the positioning accuracy, the convenient quick wearing reinforcing bar, effectively promotes the reinforcing efficiency, and can be adapted to the reinforcing bar of different diameter, and the applicability is strong.

The utility model relates to municipal cleaning technical field especially, more particularly to a rainwater grate cleaning car of high pressure flush, including mobile car body, be provided with adjusting structure on the mobile car body, be provided with cleaning structure on the adjusting structure, this rainwater grate cleaning car of high pressure flush, through setting up the cleaning structure, the first motor drive's incomplete gear mechanism drives the rotating frame to realize basic angle swing, the second motor is through gear set drive rotating plate and completes axial rotation fine adjustment, and the both collaborative work forms compound motion track, ensures that the spray head can all -round coverage rainwater grate's each part. System adopts high rigidity transmission structure and optimized power transmission path, guarantees the adjusting accuracy while the operation stability is improved obviously. Modular design makes the flush pressure flexible adjustment according to actual demand, can effectively remove stubborn stain, can avoid water resource waste.

This utility model provides a display screen positioning fixture, relating to the field of positioning fixture technology. It includes a mounting base and a mounting plate, and also includes a clamping component disposed on the inner side of the mounting base. The clamping plate is slidably disposed on one side of the mounting base for clamping and limiting the display screen. The limiting component is disposed on the upper surface of the mounting plate, and the grippers are disposed on one side of the mounting plate to ensure product quality and clamping effect. A rubber support block enhances stability and prevents the display screen from sliding. The linkage structure between the trapezoidal protrusion and the limiting block can accurately adapt to displays of different sizes, providing a flexible clamping range. A second spring provides cushioning to avoid damage to the equipment from rigid clamping by the grippers, while ensuring uniform clamping force. This not only guarantees positioning accuracy but also improves the practicality and compatibility of the device.

This utility model discloses a wastewater treatment dosing device, including a delivery pump. One end of the delivery pump is connected to a speed regulating device, which includes a delivery pipe, a speed regulating sleeve, a matching rod, a matching sleeve, a connecting sleeve, a thrust bearing, a movable sleeve, a speed regulating block, a speed regulating plate, and a speed regulating groove. The matching rod is located inside the speed regulating sleeve, and the matching sleeve is located in the movable sleeve. The connecting sleeve and the movable sleeve are installed on both sides of the thrust bearing. The outer wall of the movable sleeve is threaded to the inner wall of the delivery pipe. The speed regulating block is installed on one side of the speed regulating plate. The speed regulating groove is inclinedly opened inside the delivery pipe. A locking mechanism is provided on the outside of the delivery pipe. The locking mechanism includes a control sleeve, a screw sleeve, a driving wheel, a screw, a driven wheel, a shift block, a fixed block, a shift spring, and a shift sleeve. The screw sleeve is sleeved on the outside of the screw and installed on one side of the driven wheel. The driving wheel is installed on one side of the control sleeve. The shift spring is connected to two adjacent shift blocks. This utility model solves the defects of low drug delivery accuracy and poor stability of the regulating system.

The present application relates to the technical field of clothing manufacturing auxiliary tool, and particularly relates to a waist surface horse king loop processing template, a processing device and a processing method, the processing template comprises a first layer template and a second layer template, the first layer template is used for being pressed on the waist surface cloth, the first layer template is provided with a first avoiding hole for avoiding the horse king loop; the second layer template covers above the first layer template, the second layer template is provided with a second avoiding hole for avoiding the end of the horse king loop, the second layer template has a first crease and a second crease, the folding directions of the first crease and the second crease are opposite, the horse king loop is limited on both sides of the third layer template, so that when the second layer template is folded along the first crease or the second crease, the horse king loop is followed to be turned over, the processing template and the device of the present application position the waist surface cloth and the horse king loop, and in the processing process, the overall turning over of the horse king loop on the same waist surface cloth can be realized by only manually turning over and folding the corresponding template, the efficiency is high, and the product consistency is good.

The utility model belongs to the technical field of punchers, and particularly relates to an aluminum alloy door and window hinge installation puncher which comprises a first fixing plate. The device is characterized in that one side of the first fixing plate is fixedly connected with a first buffering shaft, the end, away from the first fixing plate, of the first buffering shaft is sleeved with a second buffering shaft, the end, away from the first buffering shaft, of the second buffering shaft is fixedly connected with a second fixing plate, and the position of the positioning plate can be accurately adjusted through transverse sliding of a sliding block on the roller shaft; the punching device can accurately control the transverse position and perpendicularity of punching in combination with the guide of the positioning pipe to the drill bit, avoids infirm hinge installation caused by punching deviation, further ensures the position precision and depth consistency of punching through the arrangement of the limiting protection structure and the through pipe, effectively improves the installation quality of the aluminum alloy door and window hinge, and improves the production efficiency of the aluminum alloy door and window hinge. The door and window can be opened and closed smoothly after being installed, and sealing performance and stability are better.

The present application relates to a wafer image chip cutting path automatic positioning method, a wafer is fixed in a full-automatic wafer cutting system, and the chip shape in the wafer is a rounded square. The method first coarsely positions the inner region edge position of each chip in the wafer through a template matching algorithm and an image region growing algorithm, then finely positions the inner region edge position of the chip through a gray value threshold algorithm based on the distribution difference of the gray value of the pixel points in the inner and outer regions of the chip to obtain the inner region edge point coordinates of the chip, and then the inner region edge line of each column of chips in the wafer is obtained by straight line fitting from the edge points, so as to position the wafer cutting path. For the wafer, the method can effectively solve the problem of large positioning error of the wafer cutting path, and effectively improve the positioning accuracy.

The utility model provides a kind of cannon head dismounting tool for blast furnace mud gun, including tight plate, it is blocking main body, for sticking cannon head end part to cannon head to exert resistance force, clamping plate is set to one side of tight plate, clamping plate is set to frame type structure, the inside wall of clamping plate is adapted to the connecting place of mud gun barrel and cannon head, for clamping positioning at the connecting place of mud gun barrel and cannon head, two connecting plates are respectively set to the two sides of tight plate and clamping plate, for connecting tight plate and clamping plate, to form the dismounting force structure to cannon head, the utility model is dismounted cannon head by mud pressure generated axial thrust steadily by tight plate and clamping plate cooperation, replace traditional hammering, avoid metal debris splashing, cannon head falling off and impact force cause equipment connecting place deformation, sealing element failure, improve dismounting safety and equipment reliability.

This utility model relates to a guide nozzle device that is easy to replace. A positioning seat is provided at the upper end of the mounting base, and a guide nozzle body is housed within the positioning seat. The guide nozzle body is fixedly installed within the positioning seat. A positioning component is used to accurately position the positioning seat within the mounting base. The positioning seat and the mounting base are locked together by a locking component. At least two sets of locking components are provided to securely lock the positioning seat and the mounting base. The locking component includes a positioning sleeve and a locking device. The positioning sleeve is fixedly installed on the mounting base, and the locking device passes through the positioning seat, inserts into the positioning sleeve, and is rotated to fix it. This utility model, through the positioning component and locking component, allows for quick replacement of the guide nozzle body, improving replacement efficiency and ensuring installation accuracy.

This application relates to the field of copper rod defect detection technology, and particularly to an online method and related apparatus for determining subcutaneous porosity in copper rod castings. The method includes: acquiring first detection parameters and a transmission speed; a first detection device performing a first frequency sweep operation on a continuously moving copper rod casting based on the first detection parameters to acquire first detection information in real time; determining second detection parameters of a second detection device in real time based on the first detection information and the transmission speed; the second detection device performing a second frequency sweep operation on the continuously moving copper rod casting based on the second detection parameters to acquire second detection information in real time; and determining porosity defect information based on the first detection information, the second detection information, and the transmission speed; wherein, porosity defect information refers to the location of subcutaneous pores in the copper rod casting. The online method for determining subcutaneous porosity in copper rod castings provided by this application can improve the detection accuracy of subcutaneous porosity defects in copper rod castings.

The utility model discloses a connecting structure of motorcycle oil tank, it includes the casing, the lower extreme of casing is provided with the limit component, the limit component includes the two sliding slots of opening in the lower extreme of casing, the inside sliding connection of sliding slot has the connecting block, the lower extreme fixed connection of connecting block has the limit board, the limit board inner wall is provided with the installation slot, the inner wall fixed connection of installation slot has the friction pad. Through above -mentioned structure can effectively eliminate the assembly gap between oil tank and frame installation space, prevent the transverse movement of the vehicle driving because of vibration. The stable clamping force can be maintained when using for a long time, avoid the problem of fuel leakage caused by the decline of fuel pipe joint sealing performance, thread connection loosening, thereby.

This invention relates to a construction positioning device and method for a roller-compacted concrete dam transverse joint water-stopping system. The device includes a main frame, a positioning mechanism, and a roll-up mechanism. The main frame has panels on both its top and bottom surfaces. The positioning mechanism includes a guide sleeve, a positioning element, and fasteners. The fasteners are located on the outer wall of the guide sleeve and are used to clamp the positioning element. The roll-up mechanism includes a drum body, a rotating shaft, and a water-stopping element. The water-stopping element is located on the surface of the drum body to allow it to be embedded into a preset position as construction progresses. This device solves the problems of interference and material waste during the construction of multiple dam sections, enabling collaborative operation and green construction of the water-stopping system; it overcomes the drawbacks of traditional drainage hole construction techniques, achieving precise molding without pre-embedded pipes; and it solves the problems of chaotic on-site stacking of water-stopping materials and welding damage, ensuring the construction quality of the water-stopping system.

The application discloses a threaded hole measuring device with a positioning function and a method, relates to the threaded hole measuring technical field, and comprises a detection main body provided with a measuring needle, and symmetrical fixing plates are arranged on the two sides of the detection main body and are slidably connected with sliding blocks; the sliding blocks are penetrated by first movable rods, the outer sides of the first movable rods are provided with first elastic members, and the first movable rods are connected with threaded hole positioning assemblies; the threaded hole positioning assembly is provided with a positioning rod, and is used for moving the positioning rod to be attached to the inner wall of a threaded hole during pressing the detection main body. The threaded hole measuring device can realize automatic positioning of the measuring needle and the threaded hole and improve the measuring precision.

This invention relates to the field of locomotive welding technology, specifically disclosing a positioning device and method for welding locomotive roofs. The positioning device for locomotive roof welding includes: a traveling trolley, a main lifting mechanism, a linkage clamping mechanism, and an arc-shaped rod clamping mechanism; the main lifting mechanism includes a main lifting drive and a lifting seat, with the output end of the main lifting drive connected to the lifting seat; the linkage clamping mechanism includes a horizontal drive and two linkage clamping members spaced apart along a first horizontal direction, the linkage clamping members being used to clamp roof connecting rods; the arc-shaped rod clamping mechanism includes an arc-shaped rod lifting drive and an arc-shaped rod clamping member, the arc-shaped rod clamping member being used to clamp the arc-shaped rod of the roof. The positioning method for locomotive roof welding is accomplished using the above-mentioned positioning device. The positioning device and method for locomotive roof welding can solve the problems of poor flexibility, poor positioning accuracy, and simple clamping fixture structure existing in the positioning mode of existing locomotive roof welding.

The utility model discloses a strip assembly module based on zero point positioning, include: bottom plate, assembly component and positioning component, assembly component includes frame body, positioning component includes first zero point positioner and second zero point positioner, the base of first zero point positioner and the base of second zero point positioner are located on the same end surface of bottom plate, and the positioning end of first zero point positioner and the positioning end of second zero point positioner are all with the same end surface of frame body detachable connection connection. The utility model solves the technical problem of the positioning precision of traditional strip assembly module deficiency, reaches the technical effect of improving the positioning precision of strip assembly module.

The utility model discloses a kind of pearl film cutting device convenient to cutter replacement, belong to pearl film production technical field, including base, the both sides of base top are uniformly fixedly connected with side plate, the bottom of first slider is movably connected with support plate, the middle part of support plate bottom surface is fixedly connected with shell, block is connected with guide rod and penetrates, the inside of guide rod is fixedly connected with inclined block, fixed rod is set in shell, the top of fixed rod is fixedly connected with fixed flat top cone, movable flat top cone is movably connected on the outer wall of fixed rod, the bottom of fixed rod is fixedly connected with tool. The pearl film cutting device convenient to cutter replacement, through the synergistic effect of fixed flat top cone, inclined block, guide rod and first spring, realize tool quick disassembly, without multiple bolt fixed, when replacing, draw out fixed peg, lift tool can drive inclined block to move out and separate engagement, remove tool, simplify procedure, reduce labor intensity, improve maintenance efficiency.

This invention relates to the field of die bonding equipment technology, and more particularly to a universal die bonding device and hot-pressing method for chips with pressure regulation function. It includes a frame, on which a first intelligent moving platform is mounted for mounting a die disk. The die disk includes a plurality of uniformly distributed wafers. A fixed frame is fixedly connected within the frame, and an electric rotating shaft is mounted on the fixed frame. The electric rotating shaft is fixedly connected to a fixed slide rail, and a slider is mounted on the fixed slide rail. A swing arm is fixedly connected to the slider on the fixed slide rail. A sliding frame is slidably connected to the swing frame, and a heat-conducting plate is fixedly connected to the sliding frame. A heating element that contacts and engages with the heat-conducting plate is fixedly connected to the swing arm. This invention heats the wafer by contacting it with the heat-conducting plate, directly heating the contact surface between the wafer and the substrate, thereby more safely controlling the heating temperature of the wafer and reducing the probability of accidental wafer failure.