150results about How to "Precise clamping" patented technology

The invention relates to the technical field of bracket welding, in particular to a tractor bracket part welding device. Comprising a rack, an overturning frame, a clamping mechanism, a distance adjusting mechanism, an overturning mechanism and a pushing mechanism, the overturning mechanism is provided with two rotating discs synchronously rotating with the overturning frame, and the clamping mechanism comprises a steel mounting frame arranged on the overturning frame, a clamping assembly and a clamping driving assembly arranged on the rotating discs and in transmission connection with the clamping assembly; the distance adjusting assembly comprises a threaded sliding seat which is slidably arranged on the overturning frame and is in transmission connection with the steel mounting frames on the two sides and a rotary driving assembly which is installed on the rotary disc and is in transmission connection with the threaded sliding seat, and welding robot arms are arranged at the two ends of the side of the machine frame. By means of the H-shaped steel welding device, stable clamping of H-shaped steel of different sizes is achieved, longitudinal clamping is guaranteed, meanwhile, transverse position adjustment and automatic centering deviation correction can be conducted, the welding precision and quality are improved, the H-shaped steel welding device meets the requirements of various working conditions, manual adjustment steps are reduced, and the working efficiency is improved.

The invention relates to the technical field of anti-deformation machining of thin-walled cylinders, and discloses an intelligent anti-deformation machining device for a thin-walled cylinder and a using method of the intelligent anti-deformation machining device. The device comprises a base, a supporting mechanism, a clamping height adjusting mechanism, a self-adaptive clamping mechanism and a positioning clamping head, the clamping height adjusting mechanism is arranged on the base, the supporting mechanism is arranged on the periphery of the clamping height adjusting mechanism, and the self-adaptive clamping mechanism is arranged on the clamping height adjusting mechanism and located above the supporting mechanism. A positioning clamping head is arranged on the self-adaptive clamping mechanism, and a displacement sensor and a pressure sensor are arranged on the self-adaptive clamping mechanism and the positioning clamping head respectively; according to the using method, the height of the self-adaptive clamping mechanism is adjusted through the clamping height adjusting mechanism, the thin-walled cylinder is fixed through the self-adaptive clamping mechanism and the positioning clamping head, and deformation and clamping force of the thin-walled cylinder are detected through the displacement sensor and the pressure sensor respectively. Deformation of the thin-walled cylinder in machining is effectively prevented.

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 follow-up welding forming clamping equipment for inner and outer circumferential welds of a cylinder, and belongs to the field of welding equipment. The welding forming clamping equipment comprises a base, a lower pressing mechanism, an upper pressing mechanism, a lifting driving mechanism, a turn-over driving mechanism, a turn-over seat, a rotary driving mechanism and a clamping positioning mechanism. The holding and clamping positioning mechanism is used for supporting the thin-wall barrel, and self-deformation of the barrel is avoided; the upper pressing mechanism and the lower pressing mechanism are matched to clamp and fix all the to-be-welded products, the positioning precision and the clamping stability of the parts are guaranteed through the ring body abutting rolling wheels, and circular seam welding deformation can be reduced easily; besides, the upper and lower pressing mechanisms are used for driving the cylinder part to perform rotary welding, the turn-over mechanism is used for driving the cylinder part to perform turn-over welding, one-time welding forming of inner and outer welding seams at the two ends of the cylinder part can be achieved through one-time clamping, the welding production efficiency is improved, the welding precision is greatly improved, and the welding reject ratio is effectively reduced; and the economic benefits of enterprises are improved.

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 present application relates to the technical field of automobile steering knuckle processing, and in particular to a rotary tool for automobile steering knuckle processing, comprising a base, a flipping mechanism and a clamping mechanism. The flipping mechanism comprises a flipping seat and a flipping drive assembly, wherein the flipping drive assembly is arranged on the base, the flipping seat is arranged on the flipping drive assembly, a clearance groove is provided on the flipping seat, and the clearance groove is used for one end of the steering knuckle to pass through; the clamping mechanism is arranged on the flipping seat, and the clamping mechanism is used to clamp the steering knuckle. The rotary tool realizes multi-faceted processing of the steering knuckle through the design of the flipping mechanism and the clamping mechanism, thereby improving processing efficiency and precision. The present application has the effect of improving processing efficiency.

The utility model relates to the technical field of bolt processing equipment, and provides a discharging device of a bolt heading machine, which comprises a support frame, a material receiving box is fixedly arranged on the inner wall of the support frame, a feeding groove is arranged on the outer wall of the left side of the material receiving box, a discharging mechanism is arranged in the material receiving box, and the feeding groove is communicated with the discharging mechanism. The discharging mechanism comprises a rotating assembly and a positioning assembly, the positioning assembly comprises two hydraulic cylinders fixedly installed on the inner wall of the material collecting box, special-shaped blocks are fixedly installed on output shafts of the two hydraulic cylinders, a T-shaped groove is formed in the front face of the material collecting box, and the two special-shaped blocks both penetrate through the T-shaped groove. Due to the flexible adjustment of the two hydraulic cylinders and the special-shaped block, the design can adapt to bolts of different sizes and specifications, the universality and adaptability of equipment are improved, and through the technical scheme, the problem that in the prior art, the bolts cannot be in an upright state during discharging is solved.

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 present invention discloses a U-shaped steel bar flexible clamping device, comprising an upper frame assembly and a lower frame assembly symmetrical in the upper and lower directions, wherein the upper frame assembly and the lower frame assembly are both provided with relatively arranged linear guide rails, steel bar positioning and pushing components, fork-changing components, electric cylinder drive components, and jacking components, wherein the upper frame assembly and the lower frame assembly are connected and lifted by the electric cylinder drive components, wherein the jacking components drive the steel bar positioning and pushing components to realize up and down movement, and the fork-changing components drive the steel bar positioning and pushing components to move left and right along the linear guide rails. The present invention can realize the precise positioning and clamping of multiple U-shaped steel bars; can meet various flexible requirements of U-shaped steel bars; and is suitable for the flexible automation requirements of production lines.

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 utility model relates to the technical field of laser cutting, and discloses a sheet metal laser cutting machine which comprises a supporting plate, a supporting rod and a fixing rod, the supporting rod is fixedly installed on the top of the supporting plate, the fixing rod is fixedly connected to the top of the supporting rod, and a connecting rod is fixedly connected to the bottom of one side of the fixing rod. A laser cutting head is fixedly connected to the bottom of the connecting rod, a containing groove is formed in the top of the supporting plate, a bidirectional positioning device is arranged in the containing groove, and a workpiece can be rapidly and accurately clamped in the two directions at the same time through the bidirectional positioning device; loosening and deformation of the workpiece in the machining process are avoided, the metal workpiece can be effectively affected by the two-way positioning device, and the clamping precision and the working efficiency of the metal workpiece are greatly improved.

The present invention relates to the technical field of medical devices, and provides a test tube rotating mechanism, including a fixed block, a clamping rotating assembly and a cam groove are arranged on the fixed block, the clamping rotating assembly includes a motor, a driving shaft, a cam, a one-way bearing, and a rotating gear, the motor drives the driving shaft to rotate, the driving shaft drives the rotating gear to rotate, the driving shaft is connected to the cam through the one-way bearing and drives the cam to rotate, the cam groove is provided with a cam retaining edge, and the circumferential surface of the cam is always in contact with the cam retaining edge. The driving shaft drives the cam to rotate by utilizing the one-way locking characteristic of the one-way bearing, so that the cam drives the driving shaft to approach the sample test tube and the rotating gear clamps the sample test tube, and then utilizes the bearing effect of the one-way bearing to prevent the cam from rotating with the driving shaft, while the driving shaft drives the rotating gear to clamp the sample test tube and drive the sample test tube to rotate, so that the sample test tube can be accurately clamped and the test tube can be driven to rotate without using an electromagnet.

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 battery connecting piece feeding device, and relates to the technical field of battery connecting piece processing equipment. The battery connecting piece feeding device comprises a workbench, a conveying mechanism used for conveying battery connecting pieces, and a material fixing and moving mechanism used for placing the battery connecting pieces and driving the battery connecting pieces to move. The shifting mechanism is used for shifting the battery connecting pieces on the conveying mechanism to the fixing and moving mechanism; the clamping and moving mechanism is used for clamping the battery connecting pieces and driving the battery connecting pieces to move; the material stirring mechanism is positioned between the conveying mechanism and the material fixing and moving mechanism; the clamping and moving mechanism is provided with a clamping assembly used for clamping the battery connecting piece, and the clamping assembly is located beside the material fixing and moving mechanism. The material fixing and moving mechanism is adopted to fix the battery connecting piece and drive the battery connecting piece to move at the same time, so that the stability during moving is improved; accurate clamping of the battery connecting piece is achieved through the clamping assembly, the welding precision of the battery connecting piece is guaranteed, and the welding defective rate is reduced.

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 present invention discloses a tray feeding mechanism, including a frame, a support seat, a guide, a blocking mechanism, a bracket, a servo motor, a first gear, a feed nut, a second gear, a lead screw, a guide plate, a limit rod, a suction mechanism, a tray, a bellows, a cover plate, and a fan. The raw material is placed in the tray and placed on the upper end of the support seat. The servo motor drives the feed nut connected to the second gear to rotate through the first gear. When the feed nut rotates, the lead screw drives the guide plate to move right along the limit rod. When the proximity switch is triggered, the electromagnet is energized and attracted to the tray. When the servo motor rotates to a set angle, the electric push rod pushes the L-shaped stopper through the support seat to block the tray from moving forward. Then the servo motor rotates to a set angle again to compress the spring, thereby reacting the tray to fix it. The device has a simple structure, can automatically transfer the tray, and can accurately position and clamp the tray. At the same time, it can automatically remove chips, simplify the production process, and improve production efficiency.

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.