25results about How to "Avoid size deviation" patented technology

An automatic production line for stud bolts is characterized by comprising a visual measurement mechanism, a transfer positioning mechanism, a polishing and cleaning mechanism, a mechanical arm, a feeding tool changing table, a finished product table, a waste table and a replaceable gripper. According to the automatic stud bolt grinding device, method and system, the problem that the size is prone to being damaged during traditional grinding wheel grinding can be solved, the size deviation is avoided while the machining efficiency is guaranteed, and the rate of finished products is increased; bolts are grabbed through path track planning of the mechanical arm, so that the polishing procedure is more stable, the efficiency is greatly improved, and the manual participation degree is reduced; harmless treatment is conducted on dust and cuttings generated by grinding, the health of workers is guaranteed, and the green production requirement is met; the finished product is detected by machine vision, and compared with traditional detection, the efficiency is improved, and the production process is simplified.

The application provides a vehicle lamp connecting structure and a vehicle with the same, and belongs to the technical field of vehicle structure. The vehicle lamp connecting structure comprises: a vehicle lamp fixed to a vehicle body; and a bumper directly or indirectly matched with the vehicle lamp through an anti-creep support fixed to the vehicle body to form a first preset gap, wherein the first preset gap is determined according to a driving creep displacement of the bumper and an assembly tolerance between the vehicle lamp and the bumper, so as to ensure the gap and surface difference requirements between the vehicle lamp and the bumper and avoid damage of the vehicle lamp caused by the creep of the bumper. The application also provides a vehicle comprising the above vehicle lamp connecting structure. The vehicle lamp connecting structure and the vehicle can ensure the appearance aesthetics and avoid the problem of damage of the vehicle lamp caused by the creep of the bumper.

The utility model belongs to the technical field of automobile model frame forming equipment, and particularly relates to an automobile model frame die-casting forming device which comprises a lower die-casting die shell and an upper die-casting die shell buckled with the lower die-casting die shell, and a casting hole is formed in the center of the upper end of the upper die-casting die shell. A dismounting structure is connected between the lower die-casting die shell and the upper die-casting die shell; the disassembly and assembly structure comprises lower fixing plates and upper fixing plates, the lower fixing plates are fixedly installed on the surfaces of the two ends of the lower die-casting die shell, the upper fixing plates are fixedly installed on the surfaces of the two ends of the upper die-casting die shell, and inserting vertical rods are fixedly welded to the surfaces of the upper ends of the lower fixing plates. And the limiting insertion rods and the limiting insertion holes are in matched insertion connection, so that rapid positioning and stable connection of the mold are achieved. In the disassembly and assembly process, an operator can easily separate or lock the mold only by pulling the sliding butt strap, and complex tools and tedious steps are not needed.

The application belongs to the technical field of metal ring part processing, in particular to a numerical control sawing and cutting machine tool for metal ring parts, which comprises an equipment main body, a cavity in communication is arranged in the inside of the equipment main body and the operation table, the upper end of a sliding bar is fixedly connected with a translation seat, a clamping mechanism is installed in the translation seat, a reset mechanism is installed above the equipment main body, a toothed plate is fixedly connected below a connecting plate, an upper pressing mechanism is installed in the cavity, a translation mechanism is installed above a supporting plate, a separation mechanism is installed between the supporting plate and the cavity, a clamping seat is fixedly connected above the equipment main body, and the second compression spring and the second telescopic rod are fixedly connected with the clamping seat at the tail end; the machine tool realizes feeding through separable gear toothed plate transmission, realizes quick separation and reset controlled by a slope, realizes clamping and loosening with spring assistance, can continuously cut long pipes in sections, has high automation degree, reduces manual intervention, and significantly improves the efficiency of long material processing.

The application discloses a high-lifting oil cylinder base boring machining equipment, which comprises a positioning structure unit and a boring machining unit. The positioning structure unit comprises a positioning base, a positioning driving assembly, a moving seat, a positioning plate, a longitudinal fixing assembly and a transverse fixing assembly. The moving seat is installed on the positioning base through the positioning driving assembly. The positioning plate is installed on the moving seat. A plurality of parallel long-slot clamping grooves are formed in the positioning plate. The longitudinal fixing assembly is installed at one end of the positioning plate. The transverse fixing assembly is detachably installed at the other end of the positioning plate. Through the cooperation of the positioning structure unit and the boring machining unit, the high-lifting oil cylinder base can be accurately positioned, fixed in multiple dimensions and adaptively bored.

This utility model relates to the field of negative pressure sand box technology, and provides a negative pressure sand box for lost foam casting. By placing the lost foam mold into the molding sand within the negative pressure sand box, castings are produced. The box includes a box body, mounting cylinders, and positioning rods. Several mounting cylinders are inserted through and sway-mounted on the side wall of the box body. Several positioning rods correspond one-to-one with the mounting cylinders, and the positioning rods are slidably disposed within the mounting cylinders. The positioning rods can slide along the axial direction of the mounting cylinders to adjust the length of the positioning rods extending into the box body. One end of the positioning rod located inside the box abuts against the outer wall of the lost foam mold. The positioning rods can abut against the outer wall of the mold from all sides of the box body, forming all-round support and fixation, resisting the lateral thrust generated by the molding sand, preventing the mold from flipping or shifting, and ensuring that the mold always maintains a preset position in the molding sand. The combination of the swaying mounting cylinders and the slidable positioning rods allows for flexible adaptation to lost foam molds of different shapes and sizes.

The utility model discloses a spiral carbon fiber part forming die belongs to carbon fiber part forming technical field, this spiral carbon fiber part forming die includes bottom plate, has the first through -hole, and the one end of bottom plate is equipped with the placing groove, and with the coaxial setting of first through -hole, and the projection of placing groove is helical in the first direction, forming subassembly can be dismantled and install on the bottom plate, and forming subassembly is along the outer diameter of placing groove and is surrounded on the bottom plate, and the length of forming subassembly in the first direction gradually increases from one end to the other end, top plate can be dismantled and install on forming subassembly, and top plate and bottom plate are mutually parallel and set up, and the bottom of placing groove, the inside wall of forming subassembly and the bottom wall of top plate form forming cavity between, and pressing assembly can be dismantled and install in placing groove. Therefore, through the setting of bottom plate, forming subassembly and top plate of detachable connection, more convenient demoulding.

This utility model provides a vulcanizing mold for processing semiconductor sealing rings, relating to the field of sealing ring production technology. It includes an upper mold and a lower mold, with their rear sides and adjacent ends connected by a hinge. Each of the upper and lower molds has a placement groove on its adjacent side, and a mold core is respectively engaged and installed inside the placement groove. This utility model eliminates the need for a completely replaced mold, unlike traditional fluororubber sealing ring vulcanizing molds which require replacing the entire mold to meet different semiconductor sealing ring production needs. When changing molds, a suitable mold core can be quickly removed and replaced using the cooperation of a sliding groove and slider, and then fixed by a limiting mechanism. This significantly reduces downtime for mold changes and avoids the high equipment investment costs associated with replacing the entire mold, effectively improving the production efficiency and economy of semiconductor sealing rings.

This invention discloses a bending and shaping device for automotive sunroof guide rails, relating to the field of automotive parts processing technology. The device includes a processing table, a wheel-changing assembly, a bending assembly, and a positioning assembly. A rotation opening is provided on the processing table; the wheel-changing assembly is located on the processing table. This device, through a bending motor driving a bending auxiliary wheel to rotate, can stably perform bending operations on the guide rail. The action is smooth and the force is even, ensuring regular bending formation, reducing deformation deviation, and improving bending quality and processing stability. By adjusting the movement of the bending auxiliary wheel driven by the motor, the position of the bending auxiliary wheel can be flexibly adjusted according to the diameter of the main bending wheel. The position adjustment is precise and convenient, requiring no complex debugging. It is adaptable to bending main bending wheels of different diameters, facilitating the bending of the guide rail to various angles to meet diverse bending processing needs.

This invention discloses an automated PVB film precision cutting and lamination production line, relating to the field of laminated glass production technology. It includes a first transport structure, a second transport structure, a third transport structure, and a fourth transport structure. The first transport structure is equipped with a detection mechanism, an automatic alignment structure, and a defective product pushing mechanism. A first servo module is used to transport the upper glass sheet, and a second servo module is used to transport the precision-cut PVB film. These components, along with a lifting assembly and a suction cup assembly, achieve alignment and lamination with the lower glass sheet. The second transport structure has a laser heating end and is equipped with a laser precision cutting robot to enable on-site cutting and use of the PVB film. This automated PVB film precision cutting and lamination production line operates within a cleanroom, automatically aligning and positioning the glass, performing clean online precision cutting, and automating the entire lamination process. It solves the problems of low manual efficiency, easy shrinkage and deformation of the film, and poor cutting accuracy, saving on cleanroom equipment costs. It features a high degree of automation, stable lamination quality, and is suitable for large-scale, efficient production of PVB laminated glass.

This utility model discloses a battery aluminum shell edge trimming device, belonging to the field of battery aluminum shell processing. It mainly includes a cutting assembly, which comprises a movable plate connected by four sets of support pillars. Cutting sections are installed on the four sides of the movable plate, each including a side connecting block mounted on the side of the movable plate. Each side connecting block has a U-shaped groove and a second U-shaped groove on its connecting side to the movable plate. A fixed seat is installed on the side connecting block, and a second cylinder is installed on the fixed seat. The output end of the second cylinder is connected to a connecting plate, and a third cylinder is installed on the connecting plate. The telescopic end of the third cylinder is connected to the fixed section. A U-shaped rod is installed on the fixed section, and a saw blade movably passes through the two right-angled ends of the U-shaped rod. The saw blade has inserts at both ends that form sliding pairs with the right-angled ends of the U-shaped rod. A pushing part is installed on the connecting plate. This battery aluminum shell edge trimming device, by connecting the movable plate and the cutting sections through support pillars, replaces traditional rotary cutting, controls the saw blade to achieve independent cutting, disperses stress, and reduces burrs.

The utility model relates to roof module technical field, especially a prefabricated energy -saving type arrangement house roof module, including two symmetrical prefabricated roof boards, be provided with steel frame between two prefabricated roof boards. The utility model has the advantages that the rotation locking bolt is engaged with the threaded hole of the locking steel plate, and the preliminary fixing of the prefabricated roof board is completed. The reinforcing steel bar embedded part extends to the pouring groove area through the communicating groove of the partition steel plate, and finally the whole structure is formed by pouring concrete in the pouring groove. This design effectively solves the problem of insufficient connection strength of traditional prefabricated modules through the rigid connection of the steel frame and the double fixing mode of concrete pouring. The sliding fit of the locking steel plate and the steel frame ensures the installation accuracy, and the partition steel plate provides positioning support for the reinforcing steel bar embedded part, so that the post-cast concrete can form a more firm combination with the prefabricated module, significantly improving the crack resistance of the connection joint and the durability of the overall structure.

The utility model discloses a four -section type cold press suitable for multi -size board pressing, belong to solid wood board processing equipment technical field, including the stand, frame, platen subassembly and hydraulic drive arrangement, and the fixed connection of frame lower extreme and stand, and hydraulic drive arrangement is installed in the just above of stand through frame, and hydraulic drive arrangement includes a plurality of hydraulic pressure rod, and platen subassembly is fixed in the lower extreme of hydraulic pressure rod, platen subassembly includes four independent platen, and the length ratio is 1:2:2:1 in proper order, hydraulic drive arrangement includes the hydraulic control unit corresponding with each section platen, and each hydraulic control unit is independently connected to corresponding hydraulic pressure rod. The utility model breaks through the size limit of traditional single section or double section platen, avoids the size deviation caused by the splicing pressing of multiple equipment when the large -size board is pressed, and also solves the technical problem such as the large energy consumption of integral type long platen to press the small -size board, and the difficult accurate adaptation.

This utility model belongs to the field of additive manufacturing technology, specifically disclosing a cladding assembly for near-net-shape hot isostatic pressing (HIP) forming of thin-walled engine casings. It comprises a rigid cladding consisting of an outer and inner control cladding and a cladding cover, and a flexible cladding consisting of a powder-filling cladding and cladding end caps. The rigid cladding has internal dimensions matched to the target engine casing, achieving precise forming of complex shapes through irregularly shaped grooves. It is made of medium-high carbon steel to ensure structural stability during HIP. The flexible cladding is made of low-carbon steel and connects to the rigid cladding through a stepped hollow structure, shrinking under high temperature and pressure to dynamically replenish powder. This utility model, through its rigid-flexible design, solves the problems of uneven powder filling and insufficient cladding shrinkage precision in traditional processes, significantly improving the forming accuracy of thin-walled engine casings, substantially enhancing the near-net-shape forming accuracy and production efficiency of HIP, and reducing processing costs. It is suitable for the precision manufacturing of complex structural components such as thin-walled engine casings.

This utility model discloses a luggage manufacturing sheet material cutting device, belonging to the field of luggage manufacturing technology. The technical solution includes a frame assembly, a drive assembly at the top of the frame assembly, two cutting components inside the drive assembly, and a cutting platform within the frame assembly. Multiple support legs are fixed to the bottom of the cutting platform, and obstacle avoidance grooves are provided inside the cutting platform. This utility model uses a servo motor to drive a bidirectional lead screw to adjust the cutting spacing. The reverse thread design at both ends of the lead screw ensures synchronous movement of the two cutting components, with a spacing adjustment accuracy far exceeding that of manual measurement. Simultaneously, the circular saw is stably driven by an internal hexagonal sleeve and a hexagonal shaft. During the cutting process, the auxiliary platform assists in supporting the sheet material, preventing sagging and deviation. This effectively avoids dimensional deviations caused by reliance on experience during manual cutting, ensuring consistent sheet material dimensions after cutting, meeting the precision requirements of luggage thermoforming, and improving the subsequent suitcase thermoforming pass rate.

The utility model discloses a novel deviation rectifying control system device, including deviation rectifying sliding adjustment device, is equipped with two groups, two groups deviation rectifying sliding adjustment device along the slide rail sliding connection of setting of its bottom, deviation rectifying sliding adjustment device includes the slide frame along the slide rail sliding, the material conveying roller of rotation connection on the slide frame, and the drive part of drive the slide frame removal, the material conveying roller includes first conveying roller and the second conveying roller of sliding connection on first conveying roller, utilize two groups deviation rectifying sliding adjustment device of independent operation, can realize the real -time deviation rectifying of single deviation rectifying or double deviation rectifying to conveying material, simultaneously, utilize its lateral sensing device and vertical sensing device can carry out real -time monitoring to the edge of material in the transmission process, improve the precision of the deviation of detecting material conveying process, rectify the deviation of material's movement in time simultaneously, make deviation rectifying accuracy reach 0.05mm.

The invention provides a gas chamber top structure integral fixing device and a floating method, and belongs to the technical field of gas chamber installation, the gas chamber top structure integral fixing device comprises a main body plate, a lower shaft seat, a base, an upper shaft seat, a chamber top dragging seat, a positioning plate, a fixing hook and an anti-rotation device; the lower part of the main body plate is connected with a lower shaft seat through a pin shaft, the lower shaft seat is fixed on a base, and the base is fixed on a main beam at the top of a piston guide wheel bracket; an upper shaft seat is arranged at the upper part of the main body plate, two ends of the anti-rotation device are respectively connected with the upper shaft seat and a cabinet top dragging seat, and the cabinet top dragging seat is connected with a side ring beam of a cabinet top structure; the positioning plate is installed on the stand column, the fixing hook is installed between the two main body plates through a pin shaft, and the positioning plate provides a fixing acting point for the fixing hook; according to the device, the stability of the construction process can be kept in the high-altitude operation, the cabinet top is prevented from deforming or rotating in the floating process, and reliable guarantee is provided for the stability of the overall structure when the cabinet top floats.

This invention relates to the field of aero-engine manufacturing technology and discloses a hydraulic lateral pressure plate for processing aero-engine parts. The plate includes a base, on which a hydraulic feeding mechanism and a clamping mechanism are mounted. The hydraulic feeding mechanism includes a sliding cavity on one side of the base, in which a piston slides. A telescopic spring is provided between the piston and the sliding cavity. A fixing block is provided at the opening of the sliding cavity, through which the piston passes and slides in a sealing fit. A first oil passage is provided inside the base and is connected to the sliding cavity. The clamping mechanism includes a sealing cavity on the base, in which a clamping plug slides. A second oil passage is provided inside the base and is connected to the sealing cavity. A clamping plate is fixed on the base. The middle part of the piston is connected to the lateral pressure plate. Both ends of the lateral pressure plate extend between the clamping plug and the clamping plate for clamping and positioning. This invention solves the problems of low positioning accuracy, unstable clamping, mutual interference between feeding and clamping, and inconvenient resetting associated with traditional lateral pressure plates.

The utility model relates to milling machine tool technical field especially, it relates to a kind of end face milling machine tool clamping platform. Including: rack, the rack is "L" shape, the long arm end of the rack is equipped with lifting mechanism, the side of the lifting mechanism is equipped with processing head, the short arm end of the rack is equipped with transmission mechanism, the upper surface of the transmission mechanism is fixedly connected with workbench, the side of the workbench is equipped with clamping device, the clamping device includes several weld plates, the side of the weld plate is fixedly connected with the side of workbench, every two weld plates are rotatably connected with screw rod on the side close to each other, the arc surface of the screw rod is fixedly connected with pulley, the arc surface of the pulley is driven connected with belt.The utility model provides a kind of end face milling machine tool clamping platform has the advantage that different sizes of workpiece are clamped conveniently, and the machining precision of workpiece and milling machine tool processing efficiency are improved.

The invention discloses non-oxidation drawing forming equipment for high-purity aluminum wires, which comprises a support frame, a sealing box fixedly connected to the top end of the support frame, a box door hinged to the side end of the sealing box, a driving part arranged on the sealing box and used for driving the aluminum wires to move along the radial direction of the aluminum wires, and a forming part arranged on the sealing box and used for drawing and forming the aluminum wires, the sealing box is provided with an annealing piece used for conducting annealing treatment on the aluminum wire after the aluminum wire is drawn and formed. Rapid heating, high heating efficiency and low energy consumption of the aluminum wire are achieved through the annealing piece by adopting the electromagnetic induction principle, the low-temperature high-purity argon annular spraying quenching of the spray gun can rapidly lock the microstructure of the aluminum wire, grain coarsening is prevented, the partition plate separates the induction heating area and the quenching area, mutual interference of heat is avoided, the stable annealing effect is guaranteed, and the service life of the aluminum wire is prolonged. And meanwhile, a micro-positive pressure environment is established through the air flow difference between the exhaust groove and the spray gun, air permeation is thoroughly blocked, argon recovery and purification are combined, it is guaranteed that the aluminum wires are not oxidized in the whole process, and the argon use cost is reduced.

The utility model relates to a shock absorber, in particular to a novel projection welding combination fork tool. A novel projection welding combined fork tool comprises a liquid storage barrel, a containing opening is formed in the upper portion of the liquid storage barrel, a liquid storage barrel base is arranged at the containing opening, and a combined fork is arranged on the surface of the liquid storage barrel base in a projection welding mode. The device has the advantages of being novel in structure, ingenious and simple in design and capable of solving the problem of dimensional deviation caused by shaking during projection welding of the shock absorber and the combination fork.

The utility model discloses an injection mold is used to the structure of core pulling of reverse buckle core pulling, and the utility model relates to mould equipment technical field. Including bottom mould seat, be provided with the demoulding mechanism for injection mold buckle core pulling off on the bottom mould seat, and the demoulding mechanism includes: locking assembly, including the upper die holder of bottom mould seat upper end setting, the utility model connecting rod drives both ends lifting plate synchronous rising, and the first push rod on the lifting plate pushes the top plate of both sides of mould core, makes mould core preliminary separation bottom mould seat, and mould core preliminary separation product reverse buckle, and connecting rod continues to rise, and the second push rod in the shell is contacted mould core bottom, and shock absorber spring and damping support pole buffer impact force, and the second push rod stably completes final ejection, thereby through the side of first push rod and the bottom of second push rod push to form the synergistic effect, avoid the sticking problem of mould core because of uneven stress of single point, avoid the single ejection force too big and lead to product deformation or reverse buckle fracture, and improve demoulding success rate.

The invention relates to the technical field of high polymer material processing and plastic molding, and discloses an extrusion blow molding and injection molding composite molding process of a food packaging plastic bottle. According to the technology, a pre-oriented tubular parison is formed through extrusion, a bottle body with the uniform wall thickness is obtained through one-time inflation shaping, then a high-precision threaded bottle opening is directly formed in a closed mold in an injection molding mode, secondary inflation finishing is supplemented for compensating local shrinkage, finally cooling demolding is conducted, and the size and the sealing performance are detected on line. The whole process is integrally completed in a clean environment, and intermediate transfer is not needed. The process remarkably improves the structural precision, the sealing reliability and the surface smoothness of the bottle body, enhances the compression resistance and the falling resistance, improves the production efficiency and the material utilization rate, and ensures that a finished product meets the food contact safety standard.

This invention discloses a laser cutting device for the metal casing of a mechanical pressure gauge, relating to the field of laser cutting technology. It includes a base and a rotary drive assembly. The rotary drive assembly is located on one side of the base and includes a slide table on one side of the base. Shaft supports are fixedly mounted at both ends of the slide table, and a worm gear is rotatably mounted inside the shaft supports. This laser cutting device for the metal casing of a mechanical pressure gauge uses a single set of cylinders to drive a V-shaped pin to swing, simultaneously achieving multiple actions such as disengaging the contouring mechanism, aligning the workpiece, positioning the slide table, and adjusting the cutting head angle. It can continuously complete two processes—processing the outer contour and inner ring inclined step of the irregularly shaped casing—at the same workstation, eliminating the need for workpiece transfer, secondary clamping, and positioning steps, and completely avoiding dimensional deviations caused by secondary positioning. This improves overall production efficiency and ensures the overall machining accuracy of the workpiece, making it suitable for mass production of such irregularly shaped pressure gauge casings.

The present application relates to a kind of based on automobile direction machine rack bidirectional end face cutting machine tool and method.It solves the technical problems such as the need for multiple clamping and adjustment of existing two end face processing, the need for adjustment and tooling fixture replacement when replacing processing rack, etc.It includes machine tool bed, the installation seat with inclined installation surface is arranged on the upper end of machine tool bed, inclined installation surface both ends are respectively provided with processing seat body, seat body driving structure is arranged between installation seat and processing seat body, workpiece clamp group is arranged between two processing seat bodies, workpiece clamp group is divided into main clamp assembly and auxiliary clamp assembly, main clamp assembly is fixedly connected with installation seat, auxiliary clamp assembly is movably connected with installation seat by length adjusting drive assembly, processing seat body one end is provided with any one or more combinations of screw assembly, milling cutter assembly drilling assembly and length positioning assembly.The advantage is that: the movement of auxiliary clamp seat is controlled by length adjusting drive assembly, so that a variety of length workpieces can be covered between main clamp seat and auxiliary clamp seat.