172results about How to "Large clamping range" patented technology

The invention discloses an industrial robot clamp and further discloses an industrial robot adopting the industrial robot clamp as a tail end actuating mechanism. The industrial robot clamp comprisesa clamping part. The clamping part is in a ring shape and is formed by oppositely closing two semi-ring-shaped clamping arms; the industrial robot clamp further comprises a driving part for driving the clamping part to be opened and closed; a plurality of sliding cavities are circumferentially and evenly distributed in the clamping arm, and the bottoms of the sliding cavities are located on the inner circumferential wall of the clamping part and are made of elastic materials; and pistons capable of sliding in the radial direction of the clamping part are transversely arranged in the sliding cavities, each piston and the bottom of the corresponding sliding cavity form an airbag with airtightness, and the airbags are filled with air, and electromagnets are arranged in the pistons. The limitation that the clamping range of an existing industrial robot clamp is limited, and the existing industrial robot clamp has special purposes is overcome, the clamping range is wide, and applicability is high.

The invention discloses a parallel clamping device and method for a robot end. The parallel clamping device for the robot end comprises a driving air cylinder, a parallel clamping mechanism and two end clamping mechanisms, wherein the two end clamping mechanisms are arranged on the two sides of the parallel clamping mechanism respectively, and the two ends of the driving air cylinder are fixedly connected with the two end clamping mechanisms respectively. The parallel clamping method for the robot end comprises the steps that the two end clamping mechanisms are symmetrically arranged on the two sides of the parallel clamping mechanism respectively, and are connected with the parallel clamping mechanism through adjusting rods, the two ends of each adjusting rod are hinged to the parallel clamping mechanism and the corresponding end clamping mechanism, a rotating base is used in cooperation so that when the driving air cylinder works, the two end clamping mechanisms can be driven to synchronously run, and clamping or loosening of workpieces can be achieved. According to the parallel clamping device for the robot end, the mode that one driving air cylinder is used for driving the two end clamping mechanisms is adopted, the rotating base and the adjusting rods are used in cooperation, synchronous operation of the two end clamping mechanisms is achieved, clamping is stable, alignment performance and synchronism are high, the accuracy rate of clamping is high, and production efficiency and the degree of automation of a production line can be effectively improved.

The invention aims at providing a power slip capable of realizing on-line quick change of clamp tooth boxes and automatic lubrication, which can realize the quick change function of the slip, increase the pipe diameter clamping range and improve the working efficiency. The power slip comprises a slip housing, a slip upper cover, a slip body and the clamp tooth boxes, wherein a slip upper cover plate is connected with an upper cover pin shaft base through a pin shaft, the upper cover pin shaft base is in bolted connection with the slip housing, the slip body is connected with a swing arm of a lifting oil cylinder through a lifting shaft, the swing arm of the lifting oil cylinder is fixed on a rotating shaft of a left lifting oil cylinder and a right lifting oil cylinder, the left lifting oil cylinder is in bolted connection with the slip housing, the three clamp tooth boxes are connected with the slip body through clamping blocks, and the axial fixing is realized with a clamping plate on the slip body through a convex edge. By adopting the power slip, the degree of automation of the clamping process of the slip is improved, the automation of the clamping process is completely realized, the labor intensity of a worker is reduced, and the safety guarantee is improved. The clamping of the slip and the centering are performed step by step, the working quality is ensured, the quick change function of the slip is realized, the pipe diameter clamping range is increased, and the working efficiency is improved.

A blind fastener has a setting head portion and a shank portion having one end connected with the setting head portion and an opposite end with an internal thread or a threaded bolt receptacle. The shank has a sidewall with an outside diameter smaller than the diameter of the setting head portion, and is configured for close reception in an aperture of the workpiece prior to being upset. The sidewall has a deformation area that is disposed between the setting head portion and the internal thread or the threaded bolt receptacle, and is upset radially outwardly to secure the fastener to the workpiece. The deformation area includes a central circumferential region which provides sole weakening for the sidewall.

A threaded blind insert includes a shank with a bore therethrough and a head at one end and a threaded region at the opposite end. The shank includes a weakened deformable portion created by a reduced outside diameter of the shank. A reinforcement collar integral with the shank is located in the middle of the deformable portion which provides a rigid area and creates bulges in the deformable portion on either side of the collar. A flange is located adjacent to the underside of the head and centers the insert when it is set in a workpiece mounting hole. The reinforcing collar may be replaced by a band of material of greater hardness on the deformable wall which can be created by heat treatment.

The invention relates to a shaft holder comprising a V-shaped block, a shell, a V-shaped block compressing screw and a left and right shell body locking latch. The V-shaped block comprises a left fixed V-shaped block and a right movable V-shaped block, the shell comprises a left shell body and a right shell body, the left fixed V-shaped block and the right movable V-shaped block are wrapped by the shell body, the left fixing V-shaped block is fixedly connected with the shell body, mesh teeth in cross banding are evenly arranged on a teeth mouth portion corresponding to the left fixed V-shaped block and the right movable V-shaped block, so that the left fixed V-shaped block and the right movable-V shaped block can be meshed correspondingly to adaptive to diameter range changes of different clamping targets; the shaft holder is capable of solving the problem that the existing simple shaft holder cannot lock tightly and is narrow in application range, and meeting actual demand in real life or industry production.

An electrostatically acturated miniature clamper is composed of a drive electrode, a flexible structure which is a continuous S-shaped one connected between the drive electrode and a movable comb, the movable comb, a fixed comb, a limit block, a miniature clamping arms and a bottom plate, and features that the static electricity is used as the powr source. Its advantages are high response speed and clamping force, and easy control.

The invention discloses a split type inverted wedge type power chuck for a machine, which mainly comprises a chuck body, a sliding seat, a T-shaped key, a clamping jaw, a dustproof cover, a sliding shaft, a location key, a regulating pad and a pull rod, wherein an integral semi-closed structure of a guide groove is changed into an open surface, thus groove width precision and smooth finish of a guide surface are improved, and movement precision and service life of the chuck are improved; and by adopting an inverted cone chuck, the split type inverted wedge type power chuck has replaceability. By adopting round corner transition, the diameter range of clamping a workpiece is increased. A packing and a guide block of the chuck are separately manufactured, and then assembled into a whole, thus the split type inverted wedge type power chuck has the advantages of compact structure, convenience for maintenance, large clamping range, convenience for regulation, adjustable clamping force, higher automatic centering precision and the like.

The invention provides a feeding and discharging robot. The feeding and discharging robot comprises a base, a lifting air cylinder, a rotary air cylinder, an air cylinder installation plate, a balanceweight, a horizontal air cylinder, a finger installation plate and pneumatic fingers. The pneumatic fingers are installed on the pneumatic finger installation plate, the finger installation plate isarranged on the horizontal air cylinder, the horizontal air cylinder is installed on the air cylinder installation plate, the balance weight is arranged on the air cylinder installation plate, the aircylinder installation plate is arranged on the rotary air cylinder, the rotary air cylinder is arranged on the lifting air cylinder, and the lifting air cylinder is arranged on the base. The liftingair cylinder, the rotary air cylinder and the horizontal air cylinder independently or synergistically move to control pincers on the pneumatic fingers to complete grabbing and releasing of parts, thewhole process is completely automatic, the production efficiency of feeding and discharging can be improved, and the labor intensity of a worker is reduced.

The invention provides a hardware clamp capable of adjusting clamping degree and clamping hardware in various shapes, and relates to the technical field of hardware. The hardware clamp comprises a base, wherein a screw rod penetrating through and extending to the right side of the base is rotationally connected to the middle of the base; a motor is fixedly connected to the right side of the screwrod; and screw blocks are in threaded connection with the two sides of the screw rod. According to the hardware clamp capable of adjusting the clamping degree and clamping the hardware in various shapes, a rubber sleeve and turbid liquid are used in cooperation, when a hardware material is clamped, the rubber sleeve can change along with the shape of the hardware material, the rubber sleeve and the turbid liquid are attached to the hardware material to form corners, the turbid liquid can extrude and move a piston block towards the outer side when being extruded, and the rubber sleeve is prevented from being extruded to be broken; and after the hardware material and the rubber sleeve are extruded and attached, a conductive column is electrified, the turbid liquid can become a solid state after being electrified, and therefore the hardware material is firmly clamped, the effect of clamping various shapes is achieved, the clamping range is wide, the production cost is saved, and the production efficiency is improved.

The invention relates to machine tool clamping, and provides a four-claw automatic centering chuck. The four-claw automatic centering chuck comprises a rotary base. The rotary base is provided with amounting hole. The four-claw automatic centering chuck further comprises two sets of two-claw clamping mechanisms. Each two-claw clamping mechanism comprises two sets of clamp claw assemblies and a screw. The screws of the two sets of two-claw clamping mechanisms cross with each other. Each clamp claw assembly comprises a rotary clamping claw and a drive part, and the rotary clamping claws are distributed on the mounting hole. The two rotary clamping claws of each two-claw clamping mechanism are arranged oppositely, and the moving paths of the two rotary clamping claws of each two-claw clamping mechanism are located on the same straight line. In each two-claw clamping mechanism, one rotary clamping claw is in right-hand thread connection with the screw, and the other rotary clamping claw is in left-hand thread connection with the screw. The invention further provides a machine tool which comprises the above chuck. The rotary clamping claws of the chuck are synchronously closed or opened under the action of the drive parts, clamping force is constant and can be adjusted according to the actual condition, and when clamped, a workpiece can move and penetrate from the middle of the rotary base; and the clamping range is wide, the speed is high, and the locating precision is high.

The invention relates to a soft electrostatic adhesion coating type bionic octopus manipulator. The soft electrostatic adhesion coating type bionic octopus manipulator comprises a connecting base, a main cavity and claw fingers, wherein the connecting base is in a hollow circular truncated cone shape, the lower end of the connecting base is open, and through inflating holes are formed in the upper end face of the connecting base; the main cavity is in a hollow drum shape, the upper end of the main cavity is open, and the main cavity is connected with the lower end of the connecting base; the periphery of the main cavity is provided with a plurality of connecting holes which are through from inside to outside; the multiple claw fingers are in a pneumatic network type; the claw fingers are hollow, the front ends of the claw fingers are inclined wedge-shaped, and the rear ends of the claw fingers are communicated with the connecting holes; the inflating holes are connected with the connecting holes through air pipes; the soft electrostatic adhesion coating type bionic octopus manipulator further comprises a flexible covering film; the covering film is disc-shaped, and the center of the top surface of the covering film is connected with the bottom of the main cavity; and a plurality of electrodes are arranged in the covering film. According to the soft electrostatic adhesion coating type bionic octopus manipulator, the clamping force is effectively increased, the clamping force borne by a target object can be equally divided, and the damage risk of the target object is reduced; and meanwhile, multiple grabbing modes are achieved, so that the clamping range is enlarged, and the use requirement can be fully met.

The invention provides a circular seam assembly and welding device for a bearing type spherical storage tank. The circular seam assembly and welding device comprises a clamping rod, a connecting disc,a chassis, a support rod, a disc, an adjusting disc and an adjusting screw, wherein the clamping rod is welded with the connecting disc and is used for connecting a rotating device; a threaded rod isinstalled on the chassis and is connected with a threaded hole corresponding to a bearing storage tank; a groove is formed in the center of the chassis, so that the interference with a filler neck ofthe bearing storage tank is avoided; the height between the adjusting disc and the disc is adjusted by the adjusting screw, and the clamping range of the adjusting disc can be adjusted; and an arc surface is formed on the inner side of the adjusting disc, so that the inner side of the adjusting disc is tightly abutted with the bearing storage tank. The circular seam assembly and welding device has the advantages of the simple structure and convenience in installation, the bearing storage tank can be reliably and quickly connected with a headstock and tailstock rotating device, the roundness of the bearing storage tank can be corrected, and the welding dislocation meets technological requirements.

The invention relates to a magnetostriction type jiggle clamp, which comprises an upper jaw (1) and a lower jaw (2). The front ends of the upper jaw and the lower jaw are provided with a clamp mouth (3); the jiggle clamp also comprises an upper cantilever (4), a lower cantilever (5), a connecting arm (6), an ultra-magnetostriction material bar (7) and a solenoid coil (8) used for providing a magnetic field for the ultra-magnetostriction material bar; the upper cantilever and the lower cantilever are connected through the connecting arm, the tail ends of the upper jaw and the lower jaw are connected with one end of the upper cantilever, and a flexible hinge for the lower jaw to rotate to the direction of the upper jaw is arranged between the lower jaw and the upper cantilever; the ultra-magnetostriction material bar is propped between the lower jaw and the lower cantilever; and the lower jaw, the upper cantilever, the lower cantilever and the connecting arm are made of magnetic conducting materials. The magnetostriction type jiggle clamp of the invention has the advantages of large clamping range, large clamping force, high response speed, and easy control for precision.

The invention relates to the field of pile pulling, in particular to a working method of a multi-stage pile pulling device with a one-way locking effect. The multi-stage pile pulling device comprisesa manual clamping mechanism, a rotating mechanism, a lifting plate, a guide plate, a buffer treading mechanism, a buffer telescopic mechanism, an automatic clamping device, a timber pile, a jacking pipe and two one-way clamping devices. According to the working method of the multi-stage pile pulling device with the one-way locking effect, a worker is prevented from shaking the timber pile back andforth, breakage of the timber pile is avoided, the process of pile pulling through equipment is not needed, and the worker can conveniently pull the timber pile. The buffer treading mechanism drivesthe buffer telescopic mechanism and automatic clamping arms to clamp and move the timber pile upwards, the pulled timber pile is locked through the one-way clamping devices, and the timber pile is prevented from sliding downwards. The clamping range of the automatic clamping arms is large, frequent replacement of parts is avoided, the timber pile pulling process is rapid, the worker can conveniently and rapidly carry out pile pulling work, excessive labor of the worker is avoided, and the working efficiency of the worker is improved.