115results about How to "Guaranteed clamping accuracy" patented technology

The invention provides an annular thin-wall article clamping device and a using method of the device. The clamping device comprises an annular chassis; the chassis is provided with a radial regulation mechanism of a locating workpiece; the radial regulation mechanism is divided into an inner radial regulation mechanism and an outer radial mechanism; two radial regulation mechanisms position workpiece respectively from the inner side or the outer side of the workpiece; the chassis is respectively provided with track-directed sliding grooves for the two radial adjustment mechanisms; the inner end of the sliding groove of the inner radial regulation mechanism is provided with a stopping block; the outer end of the sliding groove of the outer radial regulation mechanism is provided with the stopping block; the sliding grooves of the two groups of radial regulation mechanisms are disposed at intervals; one of the two groups of radial regulation mechanisms is provided with an axial compacting mechanism for fixing the workpiece; and the axial compacting mechanism is displaced alternatively between the two groups of radial regulation mechanisms when turning the workpiece. The clamping device can realize the processing of two side walls of the workpiece by clamping the workpiece once, and is fit for the clamping of the workpieces with different specifications. The device has the characteristics of high use rate, strong practical applicability, good generality, time saving and labor saving, light labor intensity, high production efficiency and the like.

The invention discloses hot melting and butt joint equipment of a plastic pipeline. The equipment comprises a base, pushing mechanisms, a butt joint mechanism, and a traction rope; the base is provided with two slide rails; the middle of the top side of the base is provided with the butt joint mechanism, the two sides of the butt joint mechanism are each provided with one pushing mechanism, the pushing mechanisms are connected to the outer sides of the sliding rails in sliding and sleeving modes respectively; each pushing mechanism comprises a fixing support, the fixing support is mainly composed of a fixing base, a pressing cover and a retaining shoulder, the fixing base is arranged on one side of the base, and the two sides of the bottom end of the fixing base are slidably connected withtwo sliding rails respectively; and the butt joint mechanism comprises a lining assembly, the inner lining assembly is mainly composed of an inner heating ring, a connecting shaft, connecting rods, and arc plates, wherein the lining assembly is arranged on the inner side of a pipeline joint, the plurality of connecting rods are uniformly arranged on the outer side wall of the connecting shaft, and one end of each connecting rod is connected with one arc plate. The equipment is simple in structure, and the accuracy of pipeline clamping and the flatness of the joint of the inner side wall of the pipeline can be guaranteed.

The invention relates to a KDP crystal material single point diamond fly cutting device. The KDP crystal material single point diamond fly cutting device consists of eight parts, namely a support mechanism, a spindle motor fixing mechanism, a spindle motor working table part, an arc-edge diamond cutter clamping mechanism, a KDP crystal part fixing mechanism, a KDP crystal part clamping working table part, a power part and a control part. A unique horizontal tool machine structure is adopted by the device; the spindle of the motor is connected with a cutterhead and participates in cutting of a KDP crystal material directly, so that no transmission error exists, and the problem that small-size ripples are generated during KDP crystal material processing is avoided; furthermore, the special single point diamond fly cutterhead and a cutter angle adjusting device are arranged on the device, so that the increasing and decreasing of the number of teeth of the diamond cutter and adjustment on the cutter working radius and the cutter cutting angle can be realized according to practical machining requirement; and a special fixture is arranged on the device, so that high-precision, high-efficient and low-cost precise machining on the KDP crystal material is truly realized.

The invention discloses a force feedback main manipulator for minimally invasive surgery. The force feedback main manipulator comprises a first parallelogram structure, a second parallelogram structure, an attitude adjusting mechanism and a clamping mechanism; the first parallelogram structure and the second parallelogram structure are both formed by a plurality of rod pieces which are sequentially hinged end to end; a first hinging point of the first parallelogram structure is coaxial with a first hinging point of the second parallelogram structure; a second hinging point of the first parallelogram structure is connected with a second hinging point of the second parallelogram structure through a connecting rod; the tail end of the second parallelogram structure is a wrist part, wherein the wrist part can be keep horizontal under connection of the first parallelogram structure and the second parallelogram structure; the wrist part is hinged with the attitude adjusting mechanism; and the attitude adjusting mechanism is hinged with the clamping mechanism. The force feedback main manipulator provided by the invention can meet the requirements of minimally invasive surgery, conforms toergonomics, has a force feedback function and is low in cost.

The invention discloses a device and method of laser impact welding in a warm state. The device comprises a laser emitting system, a control system and a workpiece warm welding operation system. The workpiece warm welding operation system comprises a workpiece warm device, a base plate pressing device and a workpiece pressing device. Before-welding preheating of a workpiece is achieved through the workpiece warm device, the plasticity of the to-be-welded workpiece is improved, and the welding performance of the workpiece is improved; by means of the base plate pressing device and the workpiece pressing device, the precise clamping of the workpiece in the warm state is achieved. The device is high in precision and automation degree and wire in application range, and warm welding of various different materials can be conducted.

The invention discloses equipment for oil pipe drilling. The equipment comprises a support, a supporting shaft, a drive mechanism, a supporting plate, multiple clamping portions and a drilling portion. The supporting shaft is rotationally connected with the support. The drive mechanism is used for driving the supporting shaft to rotate. The supporting plate is mounted on the supporting shaft. Themultiple clamping portions are evenly distributed with the supporting shaft as the center. Each clamping portion comprises a mounting plate, a screw, two sliding blocks and multiple clamping units, and each mounting plate is connected with the supporting plate and is provided with a sliding groove. Each screw and the corresponding mounting plate are rotationally connected, and the length directionof each screw is parallel to that of the corresponding sliding groove. Each screw is provided with two thread areas, and the rotating directions of threads of the two thread areas of each screw are opposite. The two sliding blocks of each clamping portion are in threaded connection with the two corresponding thread areas correspondingly and are in sliding connection with the corresponding slidinggroove. The multiple clamping units of each clamping portion surround the periphery of the corresponding screw. Each clamping unit comprises a clamping plate and two connecting rods, and each clamping plate is hinged to the two corresponding sliding blocks through the two corresponding connecting rods. The drilling portion is used for oil pipe drilling machining.

The invention discloses a tool for machining a thin-walled disc-shaped part of an aero-engine. The tool mainly comprises a C-shaped circular base, a positioning ring, a support block, a shaft, a gland, a pressing plate, bushes, bolts, second screws, third screws, a second nut and a stud. Inner hole positioning of a to-be-machined part is formed after the part is connected, so that clamping precision is guaranteed; meanwhile, when the interior of the part is turned, the gland can be removed and the pressing plate can be installed; when the excircle of the part is turned, the gland can be installed and the pressing plate can be removed; and the same clamp can be applied to two machining procedures, so that the machining precision of the part is guaranteed, and the manufacturing cost of the part clamp is reduced.

The invention discloses an oil pipe drilling machining device. The oil pipe drilling machining device comprises a base, a screw, two clamping parts, a drive mechanism and a drilling part. The base isprovided with a sliding groove, and the screw and the base are rotationally connected. The length direction of the screw is parallel to the length direction of the sliding groove. The screw is provided with two thread areas, and the rotation directions of threads of the two thread areas are opposite. The two clamping parts correspond to the two thread areas in a one-to-one manner. Each clamping part comprises a movable plate, an installing plate and a plurality of clamping units, wherein the movable plate is provided with a threaded hole, the movable plate and the corresponding thread area arein threaded connection through the threaded hole, the movable plate and the sliding groove are in sliding connection, the installing plate and the movable plate are rotationally connected, and the multiple clamping units are evenly distributed around the rotation center of the installing plate. Each clamping unit comprises a clamping block arranged on the corresponding installing plate. Each clamping block is in a circular platform shape, and the diameters of the clamping blocks are gradually reduced along with increasing of the distance between the clamping blocks and the installing plate. The drive mechanism is used for driving the installing plates to rotate, and the drilling part is used for oil pipe drilling machining.

The invention discloses a device for clamping eccentric parts, which relates to the field of machinery. In the existing mechanical working, when eccentric parts are processed, the operation of clamping the eccentric parts is difficult, the working accuracy is not easy to guarantee, and the qualification rate of finished products is low, therefore, the existing eccentric-part clamp device is not suitable for batch production. The device disclosed by the invention comprises a coupling disk, a mandrel, a clamp bolt, a stop pin, a counter-weight block, an open washer and a nut, wherein the mandrel is embedded in a hollow cavity of the coupling disk, the clamp bolt is in threaded connection with the mandrel, the open washer is used for adjusting the position of the mandrel relative to the coupling disk, the nut is used for fixing the coupling disk, the counter-weight block is used for balancing workpieces, and the stop pin is used for positioning. The device disclosed by the invention is an eccentric-part clamp device with a simple structure and easily-guaranteed working accuracy, and has the advantages of wide application scope, high operating efficiency, simplicity in installation, capability of being applied in batch production, and the like.

The invention provides a positioning and clamping tool for aircraft part machining. The positioning and clamping tool comprises a bottom plate, wherein a mounting structure is fixedly arranged at the top of the bottom plate through screws; the mounting structure further comprises through grooves, limiting holes, sliding grooves, a through hole and a mounting plate; four limiting holes are formed in the mounting plate in a penetrating mode, and the through hole is formed in the center of the mounting plate in a penetrating mode; the through grooves are formed in the mounting plate in a left-right symmetrical penetrating mode, and the sliding grooves are formed in the mounting plate in a front-back symmetrical mode; a fixing plate is fixedly arranged at the top of the mounting plate through screws; and a fixing device is fixedly arranged at the center position of the top of the bottom plate through screws. According to the positioning and clamping tool, a top plate is mounted more firmly through the through grooves and the limiting holes, so that aircraft parts are prevented from shaking during machining, and the machining precision of the parts is guaranteed. A sliding block slides by pulling a handle I, and a worker can adjust according to the heights of different parts, so that the device can machine the parts with different heights.

The invention discloses an automatic discharge device for a back spindle. The automatic discharge device comprises an elastic chuck, an ejector pin, a chuck sleeve and a bar charge hole, wherein the ejector pin is positioned in the elastic chuck; the elastic chuck is positioned in the chuck sleeve; the ejector pin is in threaded connection with a pushing rod I; the chuck sleeve is in threaded connection with a limiting sleeve; a return spring is arranged between the elastic chuck and the limiting sleeve; one end, close to the bar charge hole, of the chuck sleeve is in contact with a pushing rod II; the other end of the pushing rod II is in contact with a short arm of an opening-closing claw; a long arm of the opening-closing claw is in contact with a pneumatic performer; an ejecting springis arranged between the elastic chuck and the bar charge hole; and one side of the bar charge hole is equipped with an inducting switch. The automatic discharge device realizes an automatic chargingfunction and an automatic discharge function of the back spindle, is simpler and more convenient to operate, and is higher in processing efficiency.

The invention provides an automobile air conditioner compressor cylinder block boring machining tool. The automobile air conditioner compressor cylinder block boring machining tool comprises a bottomplate. A base is fixedly arranged in the middle of the bottom plate. A pressing air cylinder is fixedly arranged on the part, located on the periphery of the base, of the bottom plate. A pressing plate is connected with a piston rod of the pressing air cylinder. A positioning ring is fixedly arranged at the top end of the base. An elastic mandrel is fixedly arranged in the center of the positioning ring. A pushout ring is movably arranged on the periphery of the elastic mandrel in a sleeving mode. A lifting air cylinder is fixedly arranged in a center hole of the base. A mounting plate is horizontally and fixedly arranged at the piston end of the lifting air cylinder. A plurality of connecting rods are fixedly arranged on the mounting plate. The top ends of the connecting rods penetrate through the positioning ring and then make contact with the bottom end of the pushout ring. Through the tool, the compressor cylinder block boring machining precision and machining efficiency can be improved, the production cost is reduced, operation is simple, rapid and convenient, the product quality can be improved, and the actual application effect is good.

The embodiment of the invention provides a tissue traction device and a using method of the tissue traction device, and relates to the technical field of medical instruments. The tissue traction device provided by the embodiment of the invention comprises an outer tube assembly, a clamping seat, a clamping body and an inhaul cable assembly. The clamping base is connected to the far end of the outer tube assembly, and the clamping body is used for clamping tissue and movably matched with the clamping base. A first connecting structure is arranged on the clamp body, a second connecting structure is arranged on the clamp base, and the first connecting structure is used for being connected with the second connecting structure so that the clamp body can be in a clamping and locking state. The inhaul cable assembly penetrates through the outer pipe assembly, and the far end of the inhaul cable assembly is connected with the clamp body so that the clamp body can be operated through the inhaul cable assembly. When the clamp body is in a clamping and locking state, the outer tube assembly is connected with the clamp seat, so the clamp body in the body can be pushed and pulled by operating the near end of the outer tube assembly extending out of the body during use, tissue traction is further realized, and the surgical field can be better improved.

The invention discloses a PCB automatic machining device with an automatic pin driving and pulling function. The PCB automatic machining device comprises a device body, an industrial computer, a motion control card, a PLC, an X-axis moving platform, a Y-axis moving platform, a Z-axis moving platform, an X-axis servo driving device, a Y-axis servo driving device and a Z-axis servo driving device. An electric main shaft, a tool magazine mechanical hand, an automatic pin driving mechanism and an automatic pin pulling mechanism are arranged on the Z-axis moving platform. A pin magazine and a toolmagazine are arranged at the end, close to the X-axis moving platform, of a work table. The industrial computer is connected with the motion control card, and the PLC is connected with the motion control card. The PLC is connected with the automatic pin driving mechanism, the automatic pin pulling mechanism and the tool magazine mechanical hand, and the electric main shaft is connected with the motion control card. By means of the PCB automatic machining device, automation and precision of the whole process of pin driving and pulling are achieved, and the automation degree of the PCB machiningdevice can be greatly improved.

The invention relates to a vacuum chuck for a KDP crystalline material. A special vacuum chuck high-strength fixed support is mounted on a high-flatness workbench and a liquid hydrostatic guideway support plate assembly through a special vacuum chuck high-strength fixed support fixing nut and bolt assembly; vacuum chuck balance adjusters are distributed at four corners of a vacuum chuck balance adjusting plate, grooves shaped like dual nested rectangles have consistent width and depth, each groove is communicated through a vent hole connected with a special vacuum chuck air-guide pipe, and the special vacuum chuck air-guide pipe is connected with an air pump and a vacuum generator assembly. When the air pump and the vacuum generator assembly operate, the grooves shaped like dual nested rectangles in the surface of the vacuum chuck are in a vacuum state, so that the vacuum chuck has suction to fix KDP crystalline parts. The vacuum chuck is also applicable to all parts with non-machining surfaces being planes, and the clamping accuracy is guaranteed; non-uniform force clamping deformation does not exist, so that the machining residual stress of the parts is greatly reduced.