77results about How to "Precise clamping" patented technology

The present invention discloses a stamping and forming device for automobile body parts, and relates to the technical field of automobile parts processing. The stamping and forming device comprises a stamping outer frame, a lower die assembly and an upper die assembly, wherein the lower die assembly comprises a lower die stamping table, a lower die and a centering module; the lower die stamping table is also provided with a flipping and unloading mechanism which is in a relative position with the centering module, and the flipping and unloading mechanism comprises a main frame, a lower clamping plate, a flipping rod shaft, an upper pressing part and a release driving part, when the upper pressing part is at the lower side of the flipping rod shaft, the release driving part is connected with the upper pressing part and the release driving part drives the upper pressing part to rotate around the connection between the upper pressing part and the main frame; a roller conveying part is also provided on one side of the stamping outer frame close to the flipping and unloading mechanism. The present invention has a simple structure, accurate positioning of the stamped plate and stable clamping, and after the stamping is completed, the flipping and unloading mechanism is used to flip the stamped plate to one side and realize automatic unloading, which is convenient to operate and has high processing efficiency.

The utility model provides a clamping tool for a connecting buckle, and belongs to the technical field of rim machining auxiliary equipment. The clamping tool comprises a mounting seat, a positioning block and a movable guide rod are arranged on the mounting seat, the positioning block is used for placing a connecting buckle, a pressing piece is arranged at the outer end of the guide rod, the clamping tool further comprises a driving piece used for driving the guide rod to move towards the positioning block, a guide block is arranged on the mounting seat, and the guide rod is connected to the guide block in a sliding mode. According to the clamping tool, the operation convenience can be well improved, the guide block plays a good role in guiding the guide rod, the stability in the moving process is improved, and the pressing piece can more accurately clamp the connecting buckle.

The invention relates to a side hanging type three-chuck pipe cutting machine, and relates to the technical field of pipe cutting equipment, the side hanging type three-chuck pipe cutting machine comprises a front lathe bed, a rear lathe bed, a front chuck, a rear chuck, a middle chuck, a feeding machine, a discharging follow-up mechanism and a feeding follow-up mechanism, the feeding follow-up mechanism comprises a feeding main frame, a feeding lifting frame and a follow-up centering assembly, the feeding main frame is fixedly connected with the front lathe bed, and the feeding lifting frame is fixedly connected with the middle chuck. The feeding lifting frame is in sliding connection with the feeding main frame in the vertical direction, the follow-up centering assembly is in sliding connection with the feeding lifting frame in the vertical direction, the discharging follow-up mechanism comprises a discharging main frame, a discharging lifting frame and a discharging turnover assembly, the discharging main frame is fixedly connected with the rear lathe bed, and the discharging lifting frame is fixedly connected with the rear lathe bed. The discharging lifting frame is in sliding connection with the discharging main frame in the vertical direction. The discharging overturning assembly is in sliding connection with the discharging lifting frame in the vertical direction. The device has the effect of reducing the equipment height so as to reduce the production cost.

According to the auxiliary positioning clamp for milling the exhaust manifold, an inclined positioning supporting device is arranged on the right side of the upper end face of a bottom plate, and when the inclined positioning supporting device is connected with a flange at the lower end of a middle pipe of the exhaust manifold in a matched mode, an upper end pipe of the exhaust manifold is in a horizontal state, and a pipe opening in the elbow end of the upper end of the exhaust manifold is parallel to the corresponding side wall face of the bottom plate; the left side of the upper end face of the bottom plate is provided with a positioning and supporting assembly used for supporting the elbow end of the upper end of the exhaust manifold and determining the center position of a pipe opening, and the positioning and supporting assembly is matched with a pressing assembly arranged on the upper end face of the bottom plate to fixedly support the elbow end of the upper end of the exhaust manifold on the bottom plate. Initial positioning conditions are provided for the center of a pipe opening of the upper end pipe of the exhaust manifold, reliable supporting and fixing of the exhaust manifold on the bottom plate are achieved, the defect that a traditional clamp is high in requirement for machining equipment is overcome, machining cost is reduced, the exhaust manifold can be accurately and rapidly positioned and clamped, production cost is reduced, and the machining efficiency is improved. Equipment limitation is eliminated, and the production requirements of parts are met.

The invention discloses a vehicle-mounted charger shell friction welding device and a welding method thereof, and relates to the technical field of resistance substrate detection.The vehicle-mounted charger shell friction welding device comprises a base, Y-axis displacement mechanisms are fixedly installed on the two sides of the upper end face of the base, and an X-axis displacement mechanism is installed between the two Y-axis displacement mechanisms; an X-axis displacement mechanism is installed on the upper portion of the base, a vertical displacement mechanism is installed below the X-axis displacement mechanism, a friction welding mechanism is arranged at the bottom of the vertical displacement mechanism, a shell clamping mechanism is arranged in the middle of the upper end of the base and comprises guide grooves, clamping plates are installed above the guide grooves correspondingly, and the clamping plates are arranged on the upper portions of the guide grooves correspondingly. And a transmission rod is installed in the guide groove, a threaded transmission pipe is installed outside the transmission rod, a sliding block is installed outside the threaded transmission pipe, and the problems that in a traditional welding mode, the welding speed cannot be increased on the premise that the flatness of the welding position is ensured, and the flexibility of a positioning mechanism is poor are solved.

The utility model belongs to the field of welding tools, and provides a welding positioning device for a rear through door plate, which comprises a tool plate, a plurality of supporting pieces and a plurality of pressing pieces, the positioning mechanism and the clamping mechanism are arranged on the tool plate, a positioning block is arranged on the positioning mechanism, an abutting block is arranged on the clamping mechanism, a plurality of guiding pieces are arranged on the tool plate, and the positioning block and the abutting block are both connected to the guiding pieces; the adjusting mechanism and the at least two feeding mechanisms are symmetrically arranged. Compared with the prior art, the connecting piece fixing device has the advantages that the connecting piece is accurately and stably fixed through the positioning block and the abutting block which are located on the same moving straight line, it is guaranteed that the connecting piece with the inclined part stably abuts against and makes contact with the bottom wall of the support through the balance rod, the overall structure is simple, and operation is convenient. Each part can be accurately positioned, supported and clamped, guarantee is provided for subsequent welding quality and welding efficiency, and it is ensured that the quality of welded products can meet the use requirements of customers.

The invention relates to a box girder steel reinforcement framework closed ring forming welding device and method, the device comprises a steel reinforcement butt welding machine, the steel reinforcement butt welding machine comprises a movable clamping seat and a fixed clamping seat, and a butt welding area is arranged between the movable clamping seat and the fixed clamping seat; the positioning mechanism comprises a positioning frame, a driving cylinder, a rack, a side clamping seat, a front clamping seat and a rear clamping seat; a cylinder body of the driving cylinder is fixed on the positioning frame, a driving seat is arranged at the front end of the driving cylinder, racks are fixed on two sides of the driving seat, and the racks are adaptively positioned and slidably sleeved on the positioning frame; the racks on the two sides are meshed with corresponding gears, rotating shafts of the gears on the two sides are in transmission connection with left-hand thread screws extending towards the two sides, side clamping bases are arranged on the upper portions of the two sliding sleeves, and side clamping areas are formed. And the front clamping seat and the rear clamping seat correspond to each other and are respectively positioned on the outer side and the inner side of the butt welding area. A positioning tool is provided for the butt welding forming process of the rectangular steel reinforcement framework, and the consistency and reliability of welding quality are ensured through a positioning system and a clamping system.

This invention relates to the field of printing equipment technology, specifically to a method for printing 3D effect patterns based on multi-color overlay, comprising the following steps: S1, placing the workpiece to be printed on a base; S2, aligning the screen with the base, and printing ink onto the workpiece using a squeegee; S3, replacing the screen, and printing again using the squeegee, with multiple overlapping prints creating a 3D effect pattern on the workpiece surface; the screen mentioned in step S2 includes a frame and a mesh fabric. The frame includes two support rods and four telescopic rods. The two support rods are arranged in parallel, and the telescopic rods include a main rod and a secondary rod, with the main rod and secondary rod slidingly engaged; the four telescopic rods are interconnected to form a rectangular frame, with two telescopic rods respectively positioned on the two support rods, and a first magnetic block on each of the main rod and secondary rods. This invention solves the problem of printing quality being affected by screen deformation through the frame, mesh fabric, and adjustment mechanism.

The invention provides audio automatic detection equipment, and relates to the technical field of audio detection. The audio automatic detection equipment comprises a to-be-tested sound source assembly, and further comprises an air nozzle configured to provide air flow required by a wind noise test for the sound source assembly, and the air nozzle is in fluid communication with a pump set through an air guide pipeline; the artificial ear assembly is correspondingly arranged under the wind nozzle, a main body of the artificial ear assembly is a tubular outer shell, a limiting bayonet is formed in the top end of the outer shell and used for fixing the sound source assembly to be detected, and an audio detection piece is arranged in the bottom end of the outer shell to collect acoustic signals of the sound source assembly in the wind noise environment. According to the invention, a fitting degree quantification structure of deformation of the elastic soft film is matched with an airflow channel switching structure driven by the reversing plug, a test condition close to a real use scene is constructed, the structure can accurately reproduce actual working conditions of earphone wearing loosening and airflow interference, a multi-factor coupling test of ANC intervention and airflow injection under a fitting gap is realized, and the test efficiency is improved. And the influence degree of the airflow on the ANC noise reduction effect and the tone quality is quantified.

The utility model belongs to the technical field of railway vehicles and key parts, and particularly relates to a bolt hot pier forming device which comprises a bottom block and an upper plate. The utility model relates to a hot upsetting die, which comprises two pull rods, an adjusting nut, a lower plate, an ejector rod cushion block, a lower die plate, a pressing plate, a lower cushion block, an air cylinder, an air cylinder cushion block, an air cylinder head, a die barrel, a sliding block and an upper die plate, the number of the pull rods is two, and the two pull rods are symmetrically and fixedly connected to the top of a bottom block. 2, the tool can be used for bolts of the same kind at present; 3, the product can be directly taken out from the tool without disassembling the tool after each assembly is completed, the product can be directly used if the product structures are the same in later use, the lower die frame can be disassembled and assembled if the product structures are different, the lower die frame can be disassembled and assembled at any time according to the situation, different bolts can be machined, clamping is rapid and accurate, the upper die and the lower die are assembled separately, assembling is convenient, and the production efficiency is improved. And after the product is processed, the consistency of the product can be ensured, and the product quality meets the requirements.

This utility model discloses a fabric strip clamping device for a flatbed sewing machine, relating to the field of sewing machine technology. Addressing the issue that existing manual operation by operators easily leads to operator fatigue during prolonged work, affecting the stability and accuracy of clamping and fixing, and that mechanical clamping devices typically have a fixed width and lack flexibility, this invention proposes the following solution: It includes a base plate and a computerized flatbed sewing machine. An outer plate is mounted on the upper end of the base plate via a column, and a moving mechanism is provided on one side of the base plate. The upper end of the moving mechanism is connected to the computerized flatbed sewing machine. Clamping mechanisms are connected to both sides of the upper end of the base plate. The clamping mechanisms are movable downward pressing structures used to press down and clamp the fabric strip for fixation. In this utility model, the moving plate, through a square plate on one side, drives a second electric push cylinder and a pressure plate to adjust the spacing width, improving the versatility and adaptability of the clamping mechanism and meeting diverse production needs.

The utility model relates to the technical field of quenching of valve body class parts, disclose a workpiece automatic clamping mechanism, including base, still include the spring chuck for clamping workpiece of installing on the upper portion of base, the middle part of spring chuck is equipped with the accommodation cavity for workpiece insertion, the outside of spring chuck has the sliding sleeve, the sliding sleeve is the hollow structure, its lower part is sleeved on the base and can slide up and down, the upper periphery surface of spring chuck is the outer taper surface that spreads upwards, the upper inner periphery surface of sliding sleeve is equipped with the inner taper surface cooperation with outer taper surface, when the inner taper surface cooperates with outer taper surface, spring chuck clamps workpiece tightly. The utility model discloses workpiece automatic clamping mechanism, realizes the automatic clamping of the part needing quenching, and the application range is wide.

The present invention discloses a multi-station single-wire cutting workbench, which relates to the field of multi-wire cutting machines, including a first bracket and a second bracket, the first bracket and the second bracket are located in a cleaning water tank, a material bracket is rotatably installed between the first bracket and the second bracket, the material bracket is in the shape of a regular prism, and multiple material locking mechanisms are fixed on each side of the material bracket, and a driving mechanism for driving the material bracket to rotate is installed on the first bracket. The present invention overcomes the shortcomings of the prior art, has a reasonable design, a compact structure, and comprehensively possesses the advantages of efficient multi-station cutting operations, precise material clamping and positioning, convenient automatic material processing, and good cleaning and stability guarantees, etc. It has a high social use value and application prospects, and can be widely used in stone processing and other related fields that require single-wire cutting, thereby improving the overall benefits of production and processing.

The positioning structure comprises a base, a lower pressing ring and an upper pressing ring, the lower pressing ring is arranged on the base and used for supporting a turned edge of the special-shaped part, the upper pressing ring is arranged on the lower pressing ring and used for pressing the turned edge of the special-shaped part, and a plurality of extrusion mechanisms used for extruding workpieces are evenly arranged on the inner side of the lower pressing ring. The lower pressing ring is positioned on the supporting disc through the positioning pin, a plurality of extrusion mechanisms are installed in the lower pressing ring and evenly distributed in the circumferential direction, box bottom parts can be automatically located in the center of equipment, workpieces of different specifications are matched with different lower pressing rings, and the positioning and supporting effects are achieved. A positioning hole is formed in the flanging of the workpiece, a positioning pin is arranged on the lower pressing ring, and when the workpiece is placed, positioning consistency and position precision of the front workpiece and the rear workpiece are guaranteed through the positioning pin.

The utility model discloses a kind of battery connection terminal processing positioning mechanism, the utility model relates to battery connection terminal processing technical field;Including: base, it is characterized in that: the top of the base is fixedly connected with support structure and heat dissipation structure, the inner wall of the support structure is fixedly connected with positioning structure, the positioning structure includes fixed frame, the outer wall of the fixed frame is fixedly connected with the inner wall of support structure, the inner wall of the fixed frame is fixedly connected with driving motor, the output shaft of the driving motor is fixedly connected with gear, the outer wall of the gear is symmetrically engaged with rack, the outer wall of the rack is fixedly connected with positioning rod, the outer wall of the positioning rod is fixedly connected with locating block.Compared with traditional manual adjustment positioning, the structure can avoid the deviation error of manual operation, and the sliding groove provides stable sliding trajectory for the positioning rod, effectively prevents the shaking when the positioning rod moves.

The utility model discloses an automatic production line for connecting rod production belongs to connecting rod rough grinding technical field, and the side of fixed base is equipped with production line support, and the upper end both sides of this production line support are equipped with ball screw drive assembly, and the lateral wall of production line support is equipped with second drive assembly, and second drive assembly is connected with ball screw drive assembly through transmission belt, and the movable seat of two ball screw drive assemblies is equipped with sliding support, and the inner wall of sliding support is equipped with slide rail. The connecting rod positioning and clamping mechanism realizes accurate positioning and firm clamping of the connecting rod to be processed with the help of T type sliding slot, T type key and abutting assembly, improves the machining stability and precision, avoids the machining error, and the abutting block can be replaced to adapt to different size connecting rods. The connecting rod polishing mechanism realizes accurate polishing to the connecting rod through servo motor, transmission gear box and grinding head cooperation. Because the connecting rod has been accurately positioned and clamped, the grinding head can be in constant contact with the connecting rod surface when rotating and polishing, and ensures that polishing is uniform and consistent.

The utility model discloses a positioning clamp for machining, and belongs to the technical field of machining. A placement block is welded to the top face of the bottom plate, limiting assemblies are installed on the two opposite sides of the top face of the bottom plate, each limiting assembly comprises a first electric push rod, a limiting rod is installed at the top end of each first electric push rod, and a fixing screw is connected to each limiting rod in a penetrating and threaded mode. A positioning assembly is installed in the middle of the top face of the bottom plate and comprises an outer frame. The two opposite sides of the outer wall of the outer frame are each provided with two adjusting grooves, one side of the top face of the outer frame is fixedly connected with a connecting plate, a second electric push rod is installed on one side of the connecting plate, a limiting block is installed at the bottom end of the second electric push rod, and adjusting screws are connected to the adjusting grooves in a penetrating and threaded mode. Through cooperation of the limiting assembly and the positioning assembly, the first electric push rod drives the limiting rod to vertically move so as to adapt to workpieces with different heights, the design that the fixing screw rod is combined with the notch facilitates position calibration and locking in the vertical direction, and the positioning precision is guaranteed.

The utility model discloses a convenient right angle welding's tool fixture, including L shaped support plate, the top of L shaped support plate is installed with X axis clamping mechanism and Y axis clamping mechanism, the X axis clamping mechanism includes X axis hand wheel, X axis screw, X axis sliding bar, X axis fixed plate, X axis movable plate and X axis clamping plate, Y axis clamping mechanism includes Y axis clamping plate, Y axis movable plate, Y axis fixed plate, Y axis sliding bar, Y axis screw and Y axis hand wheel. Two clamping mechanisms are 90 degrees perpendicular, and the accurate positioning workpiece is right angle state, and cooperation L shaped support plate and support foot bottom end mounting hole fixed, ensure that tool welding is stable. The tool fixture is simple and easy to operate, effectively improves right angle welding quality and efficiency, reduces production cost, and is suitable for a variety of workpiece right angle welding scene.

The lathe fixture comprises a chuck mechanism, a flange plate, a first positioning assembly, a first clamping assembly, a second positioning assembly and a second clamping assembly. Due to the fact that the first clamping assembly and the first positioning assembly are oppositely arranged, the blank can be clamped and positioned in the second radial direction. Similarly, the second clamping assembly and the second positioning assembly are oppositely arranged, and the blank is clamped and positioned in the first radial direction; therefore, the blank is accurately positioned and reliably connected to the flange plate, the central axis of the cylindrical part coincides with the central axis of the lathe spindle, the first annular groove and the second annular groove can be machined through a lathe tool, and a blind hole can be machined through a drill bit. When the lathe fixture is used for installing and replacing the blank, accurate positioning and clamping of the blank can be achieved only by operating the first clamping assembly and the second clamping assembly, and therefore the clamping efficiency of the blank is improved, and the consistency of the machining size of parts is guaranteed.

The invention discloses a quick clamping device for testing a steering engine, and belongs to the field of testing fixtures, and the quick clamping device is characterized in that at least one wedge-caulking assembly is arranged in two clamping assemblies of a bracket, and a base and a cover plate in the wedge-caulking assembly are correspondingly arranged, a clamping block is matched with a wedge-shaped surface of a wedge block, and a fastening connecting piece is arranged corresponding to the clamping block; accurate control of the clamping block in the process of facing one side of the to-be-tested steering engine or being far away from one side of the to-be-tested steering engine can be achieved, locking of the clamping block after clamping one side of the to-be-tested steering engine is accurately achieved, and then rapid and reliable clamping of the to-be-tested steering engine on the support before testing is achieved. The rapid clamping device is compact in structure, convenient to control and capable of rapidly and accurately clamping the two side wall faces of the to-be-tested steering engine on the support, the fixing reliability of the to-be-tested steering engine on the support during testing is guaranteed, the fixing process of the steering engine on the support before testing is simplified, and the testing efficiency is improved. And thus, the accuracy of subsequent steering engine testing and the clamping efficiency of the steering engine are improved.

The utility model discloses a kind of line integration devices for internet equipment, including fixed plate, the top end both sides edge of the fixed plate is evenly provided with multiple equidistantly arranged fixing pieces, the fixing piece is composed of two first fixed cylinder and second fixed cylinder oppositely arranged, and second fixed cylinder is located directly below first fixed cylinder, the first fixed cylinder and second fixed cylinder left and right sides are integrally formed with side plate. The utility model is fixed by unique fixing piece design, utilize internal fixing mechanism accurate to line clamping constraint, prevent shaking displacement, multiple fixing pieces can simultaneously integrate and fix multiple lines, cooperate external fixing mechanism operation convenient, realize line orderly management, and limit plate in internal fixing mechanism adopts arc rubber plate, can adapt to different shape thick and thin line, protect line from being damaged, by spring flexible adjustment, prolong line service life, reduce maintenance cost and equipment failure risk.

The utility model discloses a keyboard bottom plate bending and positioning mechanism. The keyboard bottom plate bending and positioning mechanism comprises a workbench, a limiting seat is arranged on the workbench, the limiting seat comprises a limiting table, a containing groove is formed in the limiting table, an adjusting assembly is arranged at one end of the containing groove and comprises a fixing seat, a driving motor is arranged in the fixing seat, the driving motor is connected with a positive and negative tooth lead screw, and the positive and negative tooth lead screw is connected with the limiting table. A movable seat is arranged on the positive and negative tooth screw rod, one end of the movable seat is connected with a clamping plate, a pressing assembly is arranged on the fixed seat, the pressing assembly comprises the movable seat, and a pressing block is arranged at the lower end of the movable seat. According to the keyboard bottom plate bending device, through the arranged adjusting assembly, automatic straightening of the keyboard bottom plate is achieved, the clamping plate is driven by the driving motor to move left and right, angle deviation of the keyboard bottom plate is avoided, the keyboard bottom plate can be accurately positioned and clamped through the clamping plate driven by the motor, and the accuracy in the bending process can be guaranteed.

The utility model belongs to the field of oiling, provide a kind of gear reducing unit processing oiling equipment, including fixed base, oil delivery assembly, rotating mechanism and alignment subassembly, the four corners of fixed base top are all provided with support, and the top between four groups of support is provided with oil tank, the bottom of oil tank is provided with oil delivery assembly and the rotating mechanism of driving oil delivery assembly rotation, and oil delivery assembly has the adjusting mechanism of adjustable oil delivery range, and fixed base is provided with the alignment subassembly for calibrating the placement position of gear reducing unit;The utility model is provided with oil delivery assembly by adjusting mechanism, accurately controls the oil outlet position and range of lower oil pipe, can flexibly adapt the oiling range of different size spare parts, avoid the limitation of traditional fixed equipment, and rotating oiling mechanism utilizes motor drive gear transmission, so that oil is evenly coated to critical position, significantly improves coating uniformity and lubricating effect, improves oiling efficiency.

The invention relates to the technical field of new material processing, in particular to a spraying clamping mechanism of a semiconductor etching cavity part and a thermal spraying processing method of the spraying clamping mechanism. The clamping mechanism comprises a clamping arm, a rotary table and a clamping tool, the clamping tool is provided with a plurality of clamping arms distributed in an annular array mode, fixing holes and mounting holes are formed in the clamping arms, and workpieces of different specifications and shapes can be fixed. The needle gauge is matched with the fixing hole, and fastening clamping is achieved through the oval grabbing part of the needle gauge. The clamping arms are designed to be cuboids, one end of each clamping arm is of a triangular structure with an included angle of 120 degrees, and the mounting holes and the fixing holes have specific hole diameters and intervals. The clamping mechanism can adapt to different workpieces, and clamping is carried out by moving the needle gauge position. The thermal spraying machining method comprises the steps of part pretreatment, carrying and positioning, clamping, spraying, turn-over spraying, aftertreatment and the like, and the high-quality thermal spraying effect is achieved by accurately controlling spraying parameters and temperature. The spraying and clamping mechanism and method are suitable for automatic and high-precision spraying of semiconductor etching cavity components.

The invention belongs to the field of machine tool machining, and relates to a fuel injection pump transmission gear clamp, a key groove in a supporting seat is matched with a workpiece boss to ensure the phase, a taper sleeve and an inverted taper centering hole are matched with a disc spring to achieve accurate centering, an upper pull rod is connected with a pull claw to be stably clamped with a pull rod, and an automatic feeding and discharging mechanism achieves automatic machining. The clamp is exquisite in design, the double precision of workpiece phase and centering is guaranteed, and the machining quality of the fuel injection pump transmission gear is improved; manual intervention is reduced through automatic feeding and discharging, and the machining efficiency is remarkably improved; the structure is stable and reliable, maintenance is easy, and production cost is reduced; the method is suitable for batch machining, meets the urgent requirements of the modern manufacturing industry for high precision and high efficiency, provides powerful support for precise manufacturing of the fuel injection pump transmission gear, and promotes technical progress and upgrading of related industries.

The invention provides a machining tool and method for a cabin door locking component on flight equipment. The machining tool comprises a base, a first positioning piece, a second positioning piece, a third positioning piece, an electric driving mechanism and a control unit. Through the synergistic effect of the movable first positioning piece, the fixed second positioning piece and the fixed third positioning piece, the positioning and clamping system special for the cabin door locking component is constructed. The second positioning piece and the third positioning piece can stably limit the cabin door locking component simultaneously from two vertical directions due to the unique positioning part design, and the first positioning piece applies pressure from the other side to complete clamping. The structural design is ingenious, one-time rapid and accurate clamping of a cabin door locking component with a complex space structure is achieved, and a solid foundation is laid for subsequent continuous machining of a plurality of to-be-machined parts such as a hook-shaped bent part, a plurality of holes and an extension shaft; the problems of low efficiency and repeated positioning errors caused by sequential clamping machining are fundamentally solved.

The utility model discloses a highly-strengthened water-cooled diesel engine cylinder sleeve support shoulder extrusion test tool, which belongs to the technical field of diesel engines and comprises a base, a positioning ring is sleeved in the base, and the inner wall and the upper end face of the positioning ring are respectively used for positioning the outer wall of a cylinder sleeve body and a support shoulder. The pressing block is arranged above the base and the positioning ring and used for being pressed on the cylinder sleeve body, a conical groove is formed in the center of the top of the pressing block, and a pressing head with a spherical lower end is arranged in the conical groove. According to the utility model, the cylinder sleeve is accurately and reliably positioned and clamped; the extrusion test effect is good, and technical support is provided for stress analysis and structural design of the supporting shoulder part of the cylinder sleeve.

This utility model relates to the field of rock wool board processing technology and proposes a dustproof device for rock wool board processing and cutting. It includes a base, with an L-shaped rod fixedly connected to the top of the base. A dustproof shielding component is installed on the top of the base, including a support platform. This utility model achieves a dustproof effect by utilizing the cooperation between components such as the shielding plate and the bidirectional screw within the dustproof shielding component. When the dustproof plate moves upward, it partially blocks the position of the worker and the support platform, reducing the risk of injury from flying debris when the cutting blade cuts the rock wool board. The dustproof plate design effectively reduces the risk of flying rock wool board debris during cutting. By blocking debris in the cutting area, it prevents direct injury to workers, especially during close-range operation, reducing the chance of eye, skin, or respiratory tract injury from particulate matter.