32results about How to "Clamping meets" patented technology

A lifting type centering clamping device comprises a centering clamping mechanism and a lifting mechanism. The centering clamping mechanism comprises a bottom plate, a clamping air cylinder, a left connecting plate, a right connecting plate, a left clamping plate and a right clamping plate, wherein the left connecting plate, the right connecting plate, the left clamping plate and the right clamping plate are sequentially and symmetrically mounted on the left and right sides of the bottom plate; the left clamping plate and the right clamping plate are oppositely mounted to form an open-ring type clamping opening; the left connecting plate is connected with the left clamping plate through a screw rod; the right connecting plate is connected with a piston rod of the clamping air cylinder stretching into the right connecting plate; and the clamping air cylinder moves to drive the right clamping plate to move towards the left clamping plate to clamp or loosen a workpiece. The lifting mechanism comprises a base and a lifting air cylinder; a piston rod of the lifting air cylinder is connected with the bottom plate of the centering clamping mechanism; and the lifting air cylinder moves to push the bottom plate to lift and drop to realize lifting and dropping of the centering clamping mechanism. A clamping method of the centering clamping device comprises the steps of initial adjustment, clamping and loosening. The device is small in size, compact in structure and easy in operation of the clamping method, can meet the clamping machining requirement of longitudinally and transversely conveying the workpiece, and can be widely used in an automatic logistics production line.

The invention discloses a clamping method for a pipe workpiece fixture. The clamp includes a connecting shaft, a hydraulic oil device, a hydraulic diameter expanding mechanism, a displacement detecting device, a pressure detecting device and a host computer, wherein one end of the connecting shaft is connected to the The machine tool spindle is connected, and the other end of the connecting shaft is evenly provided with multiple hydraulic diameter expanding mechanisms along the circumference of the connecting shaft on the same plane. The multiple hydraulic expanding mechanisms are supported on the inner wall of the workpiece to support and clamp the workpiece. The invention clamps the workpiece through several hydraulic diameter expanding mechanisms, and detects the workpiece through double detection mechanisms to ensure accurate clamping of the workpiece.

The invention discloses a workpiece clamping device of a numerical control milling machine. The device comprises a fixed disc; the fixed disc is fixedly mounted on the numerical control milling machine; three sets of chutes are formed in one side of the fixed disc in the radius direction at equal intervals; slide blocks are movably mounted in the chutes, and are fixedly connected with first clamping plates; the first clamping plates are tightly bonded on the surface of the fixed disc; first clamping cylinders are fixedly mounted on the fixed disc on one sides of the chutes in the length directions of the chutes; and piston rods of the first clamping cylinders are arranged towards the circle center of the fixed disc. Three sets of clamping mechanisms are arranged on the fixed disc; the clamping mechanisms can move in the chutes for adjustment; workpieces can be stably clamped through the clamping support force in three directions, and cannot be shaken even if in the machining process; and the positions of the three sets of clamping mechanisms can be adjusted to satisfy clamping of irregular workpieces so as to widen the application range of the device.

The invention relates to the field of fittings, in particular to a cambered surface clamping device. The cambered surface clamping device comprises a horizontal operating table top, wherein plane bearings are symmetrically arranged at two ends of the horizontal operating table top; the cambered surface clamping device further comprises a rectangular framework connected with the plane bearings; a through hole is formed in the side wall, perpendicular to the horizontal operating table top, of the rectangular framework; the cambered surface clamping device further comprises a T-shaped removable plate; the vertical end of the T-shaped removable plate is inserted into the through hole and positioned in the rectangular framework; a rotating nut is arranged in the rectangular framework; the rotating nut is rotationally connected with the vertical end of the T-shaped removable plate; an arc clamping plate is arranged on the surface of the horizontal end of the T-shaped removable plate. The invention aims at providing a cambered surface clamping device which can be fit for the positioning of regular cambered surface work pieces or irregular cambered surfaces, with improved application range and practicability.

The invention discloses an automatic pipe fitting feeding and grinding device. The feeding and grinding device comprises a feeding device, a supporting device, a grinding device and a measuring device. The supporting device is located at the discharging end of the feeding device, and the grinding device is located above the supporting device; the measuring device is located at the discharging end of the grinding device; through the feeding device, automatic feeding is achieved, a supporting mechanism with the adjusting function is adopted, the structure is simple, operation is convenient, and the adjustable effect is achieved; a lifting device is arranged to enable a whole grinding head mechanism to be capable of vertically moving and moving laterally, use limitation is avoided, and after grinding, the measuring device enables a steel pipe to rotate during clamping through cooperation of a first clamping device and a second clamping device; and multi-angle measuring can be achieved, vibration and shaking of the steel pipe can be reduced, and a bearing plate is arranged, so that the steel pipe is placed more stably and is more accurately measured, error generation is reduced, and the steel pipe measuring effect is better.

The invention discloses a plastic pipe surface treatment device which comprises a feeding device, a clamping and locating device, a grinding device and a measuring device. The clamping and locating device is located at the discharging end of the feeding device. The grinding device is located above the clamping and locating device. The measuring device is located at the discharging end of the grinding device. The automatic feeding purpose is achieved through the feeding device; a material carrying mechanism with the adjusting function is adopted, the structure is simple, operation is convenient, and the adjusting effect is achieved; a lifting device is arranged so that a whole grinding head mechanism can move upwards, downwards, leftwards and rightwards, and the use limitation is avoided; after grinding is finished and through the cooperation of a first clamping device and a second clamping device, a steel pipe can be rotated when clamped and can be measured by the measuring device at multiple angles, and vibration and shakes of the steel pipe are reduced; and a carrying board is arranged, so that the steel pipe is placed more stably and measured more accurately, errors are reduced, and the measuring effect of the steel pipe is better.

The invention discloses a plastic pipe surface super-finishing and polishing device which comprises a feeding device, a clamping positioning device and a measuring device. The clamping positioning device is located at the discharging end of the feeding device. According to the plastic pipe surface super-finishing and polishing device, automatic feeding is achieved through the feeding device, and the clamping positioning device is used for positioning; by means of the cooperation of a first clamping device and a second clamping device, a steel pipe can rotate while being clamped so that the measuring device can measure the steel pipe in multiple dimensions after grinding is finished; in addition, vibration and shaking of the steel pipe are reduced; a bearing plate is arranged so that the steel pipe can be placed more stably, steel pipe measurement is more accurate, errors are reduced, and the steel pipe measurement effect is better.

The invention relates to a grinding and clamping tool suitable for center-hole-shaped parts of various specifications and thicknesses. The grinding and clamping tool comprises a fixing frame plate, agrinding centering bearing shaft seat arranged on the fixing frame plate, a distance adjusting mechanism arranged on the central axis of the grinding centering bearing shaft seat, and an opening and closing clamping mechanism arranged on the distance adjusting mechanism and in sliding fit with the grinding centering bearing shaft seat. According to the grinding and clamping tool, through the arrangement of the fixing frame plate, the grinding centering bearing shaft seat, an adjusting worm, an adjusting sleeve seat, a clamping rod, a clamping gear and a rack, on the basis that the clamping rodand the fixing frame plate are used for clamping the center-hole-shaped parts, the distance between the clamping rod and the fixing frame plate can be automatically adjusted, so that clamping of thevarious center-hole-shaped parts with the different thicknesses can be met; and compared with the prior art, the grinding and clamping tool is low in manufacturing cost, easy to use and easy to operate, and the grinding efficiency is effectively improved.

The present invention discloses a plasma electrode hafnium filament brazing device, comprising an electrode body and a fixing member, wherein the electrode body is installed in a fixing sleeve, a cooling cover is sleeved at one lower end of the fixing sleeve, and a cooling water circulation chamber is formed therebetween; a second open pore is provided with a hafnium filament; an external threaded cylinder is screwed to the second open pore, and the lower end of the hafnium filament is inserted into the external threaded cylinder; the clamping structure comprises an upper sliding plate and a sliding plate slidably connected in the external threaded cylinder, and a spring connects the upper sliding plate with the sliding plate. The hafnium filament disclosed by the present invention has firm fastening, preventing the electrode body from softening due to increasing temperature, so that meet with the expected use strength; the height of the clamping structure in the external threaded cylinder can be adjusted by rotating a bolt to meet the different lengths of the hafnium filament; cooling water continuously flows in the cooling water circulation chamber to cool the electrode body, thereby improving the service life of the electrode body.

The invention discloses a tube grinding system. The tube grinding system comprises a feeding device, a supporting device, a grinding device and a measuring device, wherein the supporting device is positioned at a discharging end of the feeding device; the grinding device is positioned above the supporting device; and the measuring device is positioned at a discharging end of the grinding device. Automatic feeding is realized through the feeding device, the supporting mechanism with an adjusting function is adopted, and is simple in structure and convenient to operate, an adjustable effect is achieved, through a lifting device, a whole grinding head mechanism can move in the up-down direction and the left-right direction, service restriction is avoided, after a steel tube is ground, a first clamping device is matched with a second clamping device, the steel tube can rotate when clamped, and then can be measured by the measuring device at various angles, vibrating and shaking of the steel tube are reduced, by a bearing plate, the steel tube can be placed stably and is measured accurately, errors are reduced, and the measurement effect of the steel tube is good.

The invention discloses a circuit board electroplating method which is completed on the basis of circuit board electroplating equipment so as to realize electroplating of a circuit board. The circuit board electroplating equipment comprises an upper mounting base, four pairs of adjusting connecting rods are arranged at the bottom of the upper mounting base; and the bottoms of the four pairs of adjusting connecting rods are jointly connected with a group of lower mounting bases. The method is good in adjusting capacity, higher in adaptability and better in circuit board clamping effect, meanwhile, the synchronous pressing of the five sets of driving clamping blocks can be achieved by rotating a clamping operation piece, the operation is reduced, and the working efficiency is improved.