18results about How to "Adjustable clamping force" patented technology

This utility model relates to an auxiliary device for welding positioning of steel trusses, belonging to the field of steel structure engineering technology. It includes a base, with a drive mechanism mounted on the lower part of the base. The drive mechanism comprises three motors arranged sequentially from front to back, all fixedly connected to the lower right side of the base. The output ends of the motors on the front and rear sides are fixedly connected to unidirectional threaded rods, while the output end of the motor in the middle is fixedly connected to a bidirectional threaded rod. A slide block is threadedly connected to the outer circumference of the unidirectional threaded rod, and two slide blocks are threadedly connected to the outer, mutually distancing sides of the bidirectional threaded rod. Electric push rods are fixedly connected to the upper surfaces of both slide blocks, and a clamping mechanism is connected to the telescopic end of the electric push rod. Clamping mechanism two is mounted on the upper part of clamping mechanism one. This utility model can prevent misalignment of the auxiliary rod during welding and improve the accuracy and flexibility of welding positioning.

This invention discloses a traction winding and unloading device, belonging to the field of roll material production technology. The device includes a traction device, a floating fly knife device, a dual-shaft alternating winding device, and an unloading device. The traction device has edge trimming and tension adjustment functions. The floating fly knife device is equipped with a floating roller assembly and an L-shaped flipping guide groove to achieve clamping traction during cutting and automatic knife lifting after cutting. The dual-shaft alternating winding device realizes alternating winding of the two air-expanding shafts at two workstations through a flipping disc and a clamping assembly, and is equipped with a moving pressure roller that adjusts with the roll diameter. The unloading device consists of a moving trolley, a shaft pulling device, and an unloading trolley, which can automatically complete full roll grabbing, shaft pulling, air release unloading, and transfer. This invention realizes full-process automation from traction, edge trimming, fixed-length cutting, continuous winding to automatic unloading, and has the advantages of high production efficiency, good cutting and winding accuracy, stable operation, and wide applicability. It is suitable for the continuous production of roll materials such as film, non-woven fabric, paper, and aluminum foil.

The utility model provides a pressing structure which comprises a mounting frame, a pressing plate and a pressing plate. The pressing assembly comprises an eccentric wheel and an abutting piece arranged on the side, close to the to-be-pressed piece, of the eccentric wheel, the eccentric wheel is rotationally connected with the rotating shaft, and the abutting piece can abut against the to-be-pressed piece; and the end, close to the pressing assembly, of the limiting part abuts against a stop part arranged on the eccentric wheel, so that the eccentric wheel is limited to rotate relatively when the abutting part abuts against the to-be-pressed part. The pressing structure solves the technical problem that in the prior art, a material blocking rubber plate pressing device is low in clamping efficiency.

The utility model belongs to the technical field of pipe bending mould, especially arc rod of heavy -duty passenger car wrinkleless pipe bending mould of taking in, including bottom frame, the top one end of bottom frame is provided with sliding guide mechanism, the top other end of bottom frame is provided with driven limit adjustment mechanism and initiative limit adjustment mechanism respectively, the inside of bottom frame is provided with bending drive mechanism. This arc rod of heavy -duty passenger car wrinkleless pipe bending mould, this mould cleverly integrated a variety of precision mechanism, realized the efficient, accurate and wrinkleless bending processing of heavy -duty passenger car arc rod. Sliding guide mechanism utilizes PTFE sliding cover, ensured the stable, accurate guidance of passenger car arc rod before entering the bending area, effectively protected the passenger car arc rod surface and reduced the friction resistance. Driven limit mechanism provides initiative, adjustable clamping force through the air cylinder, cooperates with slide rail guide and fine adjustment function, realizes reliable initial positioning and process limit.

This invention provides a heat treatment method for stainless steel reed wire, relating to the field of reed wire heat treatment technology. The vertical take-up device includes a support frame and a rail; a movable component is mounted on the rail, and a winding structure is fixedly mounted on the top of the movable component; a wire transfer drum is fixedly mounted at the bottom of the vertical shaft, and the reed wire body is spirally wound around the outside of the wire transfer drum; auxiliary structures are provided on both sides of the top of the support frame, and a guide component is fixedly mounted on the outside of the support frame; precise wire guidance is achieved through the upper and lower guide rollers of the guide component, and the wire is clamped and fed by the wire transfer drum and auxiliary rollers, preventing wire deviation, shifting, and tangling from the source; the auxiliary structure can adjust the clamping force on the reed wire body, ensuring constant tension, tight and uniform wire arrangement, and neat coiling during the winding process, facilitating subsequent transportation, straightening, and stamping processing, thus solving the problems of wire deviation and shifting.

The application relates to the technical field of mechanical manufacturing, and discloses an automatic clamping structure for a semiconductor wafer conveying system, which comprises a bearing table for bearing a wafer, and an elastic telescopic mechanism arranged on one side of the bearing table, wherein the elastic telescopic mechanism adopts a rod-shaped structure, the axial center line of the rod-shaped structure passes the center of the wafer, the wafer is clamped on the bearing table or released from the clamping through elastic telescoping, the clamping force on the wafer can be adjusted, the elastic telescopic mechanism is further connected with a detection mechanism, and the detection mechanism moves synchronously with the elastic telescopic mechanism to detect whether the wafer is being clamped. With the aid of the elastic telescopic mechanism, the clamping force of the elastic telescopic mechanism can be adjusted according to the specification requirements of the wafer, the conveying requirements of wafers of various specifications can be met, the application range is wider, the practicability is stronger, the detection function is provided to determine whether the wafer on the bearing table is being clamped, the action state of the clamping structure can be more comprehensively fed back, and the intelligent degree is higher.

The utility model discloses a positioning frock for part processing relates to part processing device technical field, the utility model discloses a work table is provided with locking mechanism and centering clamping mechanism on, locking mechanism includes two U shape support plate fixedly connected in the work table bottom, two the U shape support plate between rotatoryly connected with pivot no.

The utility model belongs to the technical field of burr pressing, and discloses a burr pressing die with a fixing structure, which comprises a lower die plate provided with an edge pressing groove and an upper die plate used for pressing a workpiece in the edge pressing groove to realize shape processing of the edge of the workpiece. Fixing mechanisms used for clamping workpieces are symmetrically arranged on the surface of the lower die plate. The fixing mechanism is provided with a sliding shaft, a ball, a guide sleeve, a stop sleeve, a stop bolt and an elastic piece, the sliding shaft is in sliding connection with the guide sleeve, the guide sleeve is installed through the lower die plate, the ball is located at the end of the sliding shaft and makes direct contact with a workpiece, the stop sleeve is in sliding connection with the sliding shaft, and the distance between the stop sleeve and the guide sleeve is adjusted through the stop bolt. The elastic piece is connected to the outer ring of the sliding shaft in a sleeved mode, one end of the elastic piece abuts against the guide sleeve, and the other end of the elastic piece abuts against the stop sleeve.

The utility model belongs to the technical field of machine tool accessory machining, and particularly relates to a clamp for a lathe. The clamp comprises a fixing plate, a positioning block and a clamping assembly. The positioning block is arranged on the fixing plate. The clamping assembly and the positioning block are arranged adjacently, and the clamping assembly comprises a fixing block and a jacking structure. The fixing block of one clamping assembly, the jacking structure of the other adjacent clamping assembly and the adjacent positioning block jointly define a clamping space used for containing a workpiece. Under the condition that the clamp positions and clamps the workpiece, the adjacent fixing blocks, the adjacent jacking structures and the adjacent positioning blocks abut against the workpiece. The clamp is used for the lathe, milling machining is replaced with turning machining, a workpiece is positioned and clamped through the clamp firstly, the clamping force of the clamp is larger than cutting force generated in the turning machining process, the positioning and clamping stability and the workpiece machining precision are improved, and then the workpiece machining efficiency is improved.

The invention discloses a knob type adjustable clamping force ultrasonic scalpel which comprises an ultrasonic scalpel handle, a shell, a transmission mechanism and a clamping force adjusting device, the transmission mechanism and the clamping force adjusting device are arranged in the shell, the ultrasonic scalpel handle is hinged to the shell, the clamping force adjusting device and the ultrasonic scalpel handle are arranged in a limiting mode, and a corresponding limiting mechanism is arranged on the ultrasonic scalpel handle; the clamping force adjusting device is adjusted to a proper gear, the ultrasonic scalpel handle rotates to drive the limiting mechanism to move to the clamping force adjusting device, namely, the limiting mechanism cannot continue to rotate, the rotating angle of the ultrasonic scalpel handle is limited, then the clamping force of the forceps head of the ultrasonic scalpel is adjusted, the clamping force of the ultrasonic scalpel is adjustable, medical staff can use the ultrasonic scalpel conveniently, and the working efficiency is improved. The cutting speed of the ultrasonic scalpel in use can be increased, the operation difficulty is reduced, the operation time is shortened, and the operation efficiency is improved.

The utility model discloses a display screen ageing test device, including support frame, the top fixedly connected with support plate of support frame, the central position of support plate is installed with top tray, the top tray mesa upper side position all installs the assembly seat no.

The invention relates to the technical field of waste circuit board processing, in particular to a waste circuit board element separating device which comprises a grabbing assembly located above a circuit board and used for fixing an electronic element to be disassembled; the heating assembly is positioned below the circuit board and comprises a heating head which is arranged corresponding to the position of the welding spot; a double-layer elastic supporting structure is arranged at the lower end of the heating head, the double-layer elastic supporting structure comprises an outer-layer spring and an inner-layer spring which are coaxially arranged, and the upper end of the outer-layer spring and the upper end of the inner-layer spring are both fixedly connected with the heating head; the lower ends of the outer-layer spring and the inner-layer spring are fixedly connected with the first pressure sensor and the second pressure sensor respectively, the waste circuit board element separation device can conveniently separate elements on a circuit board, the elements can be effectively protected, and the percent of pass of recycled elements is increased.

The present application relates to the technical field of cleaning equipment, and particularly provides a door body assembly for a cleaning equipment and the cleaning equipment, aiming at solving the problem that the glass of the door body of the dish-washing machine is prone to cracking due to the insert molding process, thereby affecting the sealing property and reliability. To this end, the door body assembly comprises a door shell, a door liner comprising a door liner body and a clamping portion connected to each other, the door liner body being connected to the door shell, a mounting frame abutting against the door liner body through a clamping force, and the size of the clamping force being adjustable, and a first visual panel, the edge of the first visual panel being clamped between the clamping portion and the mounting frame. The door body assembly can avoid the problem of easy cracking due to stress concentration, and can also avoid the problem that the first visual panel is damaged or even cracked due to excessive clamping force, thereby avoiding the problem of affecting the sealing property and reliability of the door body assembly.

The utility model relates to the technical field of combustion chamber testing, and particularly discloses a test bed for combustion chamber testing, which comprises an operation table and a servo motor fixedly arranged on the front surface of the operation table, the output end of the servo motor is fixedly connected with two gears through a rotating shaft, and the outer sides of the two gears are respectively meshed with two racks. The positions of the combustion chamber body and the combustor are adjusted by reversely moving the first supporting plate and the second supporting plate, protection is conducted through the protective cover when the positions are replaced, and due to the fact that the positions of the combustion chamber body and the combustor can be synchronously adjusted, the position of the combustor can be conveniently adjusted according to the size of the combustion chamber body; the test precision of the combustion chamber body is guaranteed, meanwhile, the positions of the combustion chamber body and the combustor are always within the half-wrapping range of the protective cover in the adjusting process, it is guaranteed that flames directly injure testers, and meanwhile the combustion chamber body can be observed through the observation window.

The utility model discloses an electric closing clamp stomatoscope anastomat which comprises an anastomat gun body handle, a support arranged at the upper end of the handle, an outer tube arranged at the front end of the support and a jaw arranged at the front end of the outer tube, the jaw comprises a nail bin seat and a nail abutting seat, the nail bin seat and the nail abutting seat are arranged up and down, and the rear ends of the nail bin seat and the nail abutting seat are hinged. A compression cavity is formed in the front end in the support, a circuit board is arranged at the top of the middle of the support, an electric cylinder in control connection with the circuit board is arranged at the rear end of the support, a press-fit assembly connected with an electric cylinder push rod is arranged in the compression cavity, and the front end of the press-fit assembly is connected with the outer pipe. The bottom of the support is rotatably connected with an excitation button, the support is rotatably connected with an excitation connecting rod above the excitation button, the excitation connecting rod is connected with the circuit board, and the bottom of the support is rotatably connected with a safety button at the rear end of the excitation button. According to the utility model, the clamping force can be adjusted, and opening and closing can be accurately controlled.

The utility model discloses a fume hood anti -falling mechanism relates to the safety protection field, including the cabinet, the cabinet outer wall rotationally connected has the screwing wheel, the screwing wheel is connected in the rubber wheel through the screw of the penetration cabinet rotation, the rubber wheel outer wall slidingly connected has the protective glass, the protective glass outer wall fixedly connected has the anti -falling mechanism, the anti -falling mechanism is by the rack plate, the brake rack, the mounting plate base constitutes, the mounting plate base inside fixed mounting has the brake rack, the brake rack one end swing joint is in the rack plate, the rack plate one side fixedly connected in the cabinet. The utility model discloses through the frictional resistance of stationary rubber wheel effectively slows down the glass descending speed, and the anti -falling mechanism is in the counterweight failure automatic trigger, and the falling tendency is blocked, and this double -layer protection mechanism synergic effect, ensures that can realize physical brake under any single point failure condition, solves the synchronous belt and breaks, and the technical problem of protective glass falling, and smashes the technical problem of the operating personnel.

This application discloses a fixed support structure for a floor-type boring and milling machine, relating to the field of wind power component processing technology. It includes a boring and milling machine worktable and a support column positioned above the worktable and abutting against the workpiece sidewall. The worktable is equipped with a support base for supporting the workpiece. The support column's sidewall is equipped with a fixing component for fixing the workpiece edge and a support component for supporting the workpiece end face. The support base is equipped with an adjustment component corresponding to the bottom of the workpiece. This achieves multi-dimensional integrated clamping of the workpiece's bottom bearing, side fixing, and end face support, significantly improving the vibration resistance and stability of vertical clamping of heavy workpieces, preventing workpiece movement and deflection during processing. The bottom adjustment component provides an independent adjustment mechanism for workpiece clamping accuracy, allowing for precise calibration of the workpiece's level without repeated adjustments to the support column, greatly shortening clamping preparation time.

The utility model relates to positioning tool technical field discloses a kind of component positioning tool, including mounting plate, the top left and right sides of mounting plate are evenly provided with guide shaft, the top of guide shaft is fixedly connected with support plate, the top left and right sides of support plate are evenly provided with positioning wheel, the bottom left and right sides of support plate are evenly provided with clamping arm, the top middle part of mounting plate is provided with air claw, the rear side of air claw is provided with magnetic sensor, the bottom of mounting plate is fixedly connected with support leg. In the utility model, workpiece is flexibly clamped by positioning wheel, air claw drives clamping arm simultaneously, clamping force is adjustable, end adopts ultrahigh molecular weight polyethylene positioning wheel, reduces manual intervention, need not frequently replace, friction coefficient is low, avoids scratching workpiece, and adopts magnetic position magnetic sensor, real-time feedback signal, avoids under-clamping and overload, can be accessed PLC device, realizes automatic production interlock control.