114results about How to "Realize clamping" patented technology

The invention discloses a conveying roller double-end-face welding device, and belongs to the technical field of welding equipment.The conveying roller double-end-face welding device comprises a mounting frame, and a rotating motor and a driving motor are fixedly mounted in the mounting frame; the welding mechanism comprises a welding gun, an adjusting mechanism and a guide rail connected to the front side of the adjusting mechanism; the pressing mechanism comprises a pressing plate, a first air cylinder, a linkage monitoring mechanism and two pressing wheels; and the welding seam monitoring mechanism comprises a monitoring plate, a monitoring wheel, a vertical plate, a vertical plate, a fixing plate and a pressure sensor. By means of the linkage monitoring mechanism, welding work can be stopped in time when it is monitored that loosening occurs during pressing and cleaning in the welding process, and the thickness and flatness of a welding seam can be monitored through the welding seam monitoring mechanism; and through the arranged inertia monitoring mechanism, welding work can be stopped in time to achieve positioning when welding seams are subjected to welding missing and welding lacking, troubleshooting and welding parameter adjustment are facilitated, and the welding quality is guaranteed.

The invention discloses a novel automatic polishing device for bearing machining, and belongs to the technical field of bearing machining, the novel automatic polishing device for bearing machining comprises a base, a vertical plate is fixedly mounted on one side of the top of the base, a material frame, a cooling mechanism and a feeding mechanism are arranged at the top of the base, and a clamp is connected to the output end of the feeding mechanism; the polishing device comprises a vertical plate, a polishing mechanism and a linkage mechanism are arranged on one side of the vertical plate, a rotating cylinder is rotationally installed in the vertical plate, a plurality of inclined plates are slidably connected to the outer side of the rotating cylinder, clamping plates are fixedly connected to the outer sides of the inclined plates, and a driving mechanism used for driving the rotating cylinder to rotate is arranged on the other side of the vertical plate. And the driving mechanism comprises a driving motor. According to the bearing outer ring polishing device, automatic fixing and feeding and discharging work of a bearing outer ring can be achieved through cooperation of the material frame, the feeding mechanism and the clamp, automatic polishing treatment is achieved through cooperation with the polishing mechanism, meanwhile, polishing parameters can be controlled through the abutting wheel through cooperation with the linkage mechanism, and control is more accurate.

The utility model discloses a bending center die with a fixed stress point and a shape deviation self-adaptive locking function and a die precision adjusting mechanism. The die comprises a die body, a connecting block and a die clamping assembly. The die body is inserted into the connecting block, and a bearing matching surface and a positioning matching surface are formed; the die clamping assembly comprises a self-adaptive clamping pin, a wedge block and a wedge block pressing component. The self-adaptive clamping pin is embedded in the vertical wall face, facing the clamping groove, of the die body and can rotate freely. The wedge-shaped block is inserted into a clamping groove in the outer side of the mold body, one side of the wedge-shaped block is in contact with the self-adaptive clamping pin, and the other side of the wedge-shaped block and the inner wall surface of the clamping groove form a clamping matching surface; the included angle between the clamping matching surface and the positioning matching surface does not exceed 40 degrees, and self-locking can be achieved; the wedge block pressing part is used for driving the wedge block to be clamped. The clamping device can adapt to machining and manufacturing deviations, the acting point of clamping force is fixed, and the clamping device can adapt to changes of acting force positions and acting force sizes under different working conditions.

The invention discloses a welding device for metal target material machining, and belongs to the technical field of metal target material machining, the welding device comprises a fixing mechanism used for fixing a metal target material and controlling rotation, the fixing mechanism comprises a base, two moving plates and two clamps, the sides, away from each other, of the two clamps are connected with connecting frames, and the connecting frames are arranged on the base; the other side of the connecting frame is fixedly connected with a mounting shaft; the welding mechanism comprises a welding gun and an electric push rod, the welding gun is fixedly connected to the output end of the electric push rod, and the electric push rod is fixedly mounted at the top of the base; and the monitoring mechanism comprises a mounting plate, a first monitoring wheel and two second monitoring wheels. Automatic clamping, rotating and welding work of the target material can be achieved through the arranged fixing mechanism and the arranged welding mechanism, the welding efficiency is improved, welding work can be automatically stopped through the arranged monitoring mechanism when the target material is inaccurate in alignment, deviates and is too high in rotating speed in the welding process, and the welding quality is guaranteed.

The automatic tensioning mechanism of the I-shaped wheel of the present invention comprises a main shaft, which comprises a main body and an insertion part, wherein the main body has a first space inside, and the insertion part has a second space inside, a rotating rod is provided at one end of the main body, one end of the rotating rod is arranged in the first space, and the other end extends from the opening end of the first space, a long pull rod runs through the first space and the second space, one end of the long pull rod is threadedly connected to the end of the rotating rod, and the other end is connected to the tensioning shaft head, an tensioning spring is provided on the outside of the long pull rod in the first space, one end of the tensioning spring contacts the bottom surface of the first space, and the other end contacts the end surface of the rotating rod, and the insertion part comprises an integrally arranged connecting part, a frustum part and a cylindrical part in sequence, one end of the connecting part is fixedly connected to the main body, a step part is provided between the connecting part and the frustum part, the farther the frustum is from the main body, the smaller the radius is, and a tensioning sleeve is sleeved on the cylindrical part. The present invention can quickly realize the tensioning and clamping of the I-shaped wheel, and the structure is simple and practical.

The invention relates to the technical field of laser cutting, in particular to a raw material laser cutting device for drawer guide rail production, and is characterized in that two rotating rings sleeve the outer side of a guide rail workpiece, and the rotating rings are rotatably mounted in an inner cavity of a protective sleeve; a cross beam is fixedly installed in an inner cavity of the rotating ring, two symmetrically-distributed bearing sliding blocks are arranged on the cross beam in a sliding mode, and the two linkage plates are fixedly connected with the side faces of the two bearing sliding blocks correspondingly. The pressing belt is located between the two rotating rings and pressed on the surface of the middle of the guide rail workpiece. The device has the beneficial effects that the two bearing sliding blocks are installed on the cross beam in a sliding mode, the bearing sliding blocks are in a U shape with an upward opening, the pressing belt is arranged above the cross beam, the pressing belt presses the surface of the middle of a guide rail workpiece, the two linkage plates are engaged with the two sides of the center gear respectively, the distance between the two bearing sliding blocks is adjustable, and the two bearing sliding blocks are kept symmetric all the time; the clamped drawer guide rail is stably located at the circle center of the rotating ring and cannot deviate or deform.

The invention discloses a laser welding device with a protection facility, and belongs to the technical field of laser welding, the laser welding device comprises a machine base, and a through hole is formed in the top of the machine base; the movable frame is slidably connected to the outer side of the machine base in a sleeving mode, driving motors are fixedly installed on the two sides of the machine base, and lead screws are fixedly connected to output shafts of the driving motors; the welding mechanism comprises a mounting frame, an electric push rod, a laser welding gun and a triggering mechanism, and the electric push rod is fixedly mounted at the top of the mounting frame; the thickness measuring mechanism comprises a support, two rotating wheels and two sliding frames, and the two sliding frames are connected to the bottom of the moving frame in a sliding and sleeving mode. Through the cooperation of the welding mechanism and the thickness measuring mechanism, the welding power and the feeding speed can be automatically adjusted in the welding process according to the thickness of the plates, the welding device adapts to welding work of the plates with different thicknesses, the welding temperature can be monitored, and accidents caused by overheating can be avoided.

The utility model discloses a heat exchanger tube plate automatic tapping machine which comprises a machine frame, a lifting assembly, a moving assembly, a drilling assembly and a clamping assembly, the moving assembly is arranged at one end of the top of the machine frame, the clamping assembly is installed at the other end of the top of the machine frame, and the bottom of the lifting assembly is installed on the moving assembly. The lifting assembly is provided with the drilling assembly, the lifting assembly drives the drilling assembly to move up and down, and the drilling assembly is located above the clamping assembly. The automatic tapping machine for the heat exchanger tube plate is high in production efficiency and product quality, the positions of threaded holes are consistent, and follow-up installation is facilitated.

The invention discloses a turnover device for a casting sandbox. The turnover device comprises a moving module, a vertical lifting module is connected to the moving module, a clamp module is connected to the vertical lifting module, and the clamp module is connected with a clamp up-down fine adjustment module and a clamp front-back fine adjustment module. According to the turnover device for the casting sandbox, full-automatic turnover of the large sandbox is achieved, the labor intensity of operators is reduced, the number of the operators is reduced, and the overall production efficiency and capacity are improved; automatic transplanting and transferring of the large sandbox on a production site can be achieved at the same time, and the flexibility of the large sandbox production process is improved; manual fine adjustment interfaces are arranged aiming at the height, the width, the front position and the rear position of the clamp, and accurate positioning and clamping of a sand box are achieved; aiming at the left position and the right position, the centering clamping mechanism is adopted, automatic positioning and centering of the sandbox are achieved, and the difficulty of manual fine adjustment is reduced.

The utility model discloses a loading opening end frame machining clamp which comprises a bottom plate, a clamping device and a clamping device. The guide template is fixedly arranged on the assembly plane and comprises three vertical planes and a first horizontal plane, the first vertical plane is parallel to the second vertical plane, the third vertical plane is perpendicular to the first vertical plane and the second vertical plane, and the first horizontal plane is perpendicular to the three vertical planes; the equal-height block is attached and fixed to the first vertical face, the equal-height block comprises a second horizontal face flush with the first horizontal face and a fourth vertical face parallel to the first vertical face, and the fourth vertical face upwards protrudes out of the second horizontal face; the positioning block is attached and fixed to the third vertical plane, the positioning block comprises a third horizontal plane flush with the first horizontal plane and a fifth vertical plane parallel to the third vertical plane, and the fifth vertical plane upwards protrudes out of the third horizontal plane; wherein the fourth vertical face is attached to one side edge of the end frame, and the fifth vertical face is attached to the other side edge of the end frame.

The utility model discloses a welding machine clamp with the angle convenient to adjust, and belongs to the technical field of welding machine clamps, the welding machine clamp comprises a base, a first motor is fixedly installed at the bottom of the base, an output shaft of the first motor extends to the top of the base and is fixedly connected with a rotating seat, and the top surface of the rotating seat is fixedly connected with two supporting frames; a rotating frame is rotationally connected between the two supporting frames. According to the automatic welding device, the first motor is used for driving the rotating frame to rotate horizontally, the second motor is used for driving the rotating frame to rotate vertically, the function of adjusting the welding angle of materials on the supporting disc is achieved, the third motor is used for driving the first bidirectional lead screw to rotate, and the first bidirectional lead screw and the movable base are matched to drive the two clamping mechanisms to move. And therefore, the position of the clamping mechanism is adjusted, and materials with different shapes and sizes can be clamped.

The invention discloses diesel engine crankshaft press-fitting equipment, and belongs to the technical field of diesel engine assembly.The diesel engine crankshaft press-fitting equipment comprises a rack, brackets are fixedly mounted on the two sides of the top of the rack, a same assembly table is slidably mounted in the two brackets, clamps are arranged on the two sides of the top of the assembly table, and moving mechanisms are arranged in the brackets; a jacking mechanism is arranged in the rack, the jacking mechanism controls clamping, jacking and rotating of the assembly table, and a press-fitting detection mechanism is arranged at the top of the rack; the press-fitting detection mechanism comprises a door frame, a mounting box, a lifting plate, a detection plate and a detection cylinder. The assembling table can be controlled to ascend, descend and rotate through the arranged jacking mechanism, so that a crankshaft is convenient to assemble, in-place crankshaft press-fitting detection and smooth rotation detection can be achieved at the same time through the arranged press-fitting detection mechanism, press-fitting accuracy is guaranteed, defective products are avoided, press-fitting detection is achieved by applying constant pressure, and the crankshaft press-fitting detection efficiency is improved. And the product is prevented from being damaged.

The present invention relates to a multifunctional tooling fixture for micro-milling of micro-small parts. The invention aims to solve the problems of difficulty, low efficiency and difficulty in ensuring clamping quality during micro-milling of micro-small parts. The technical solution adopted by the present invention includes a fixed clamp body and a movable clamp body arranged on a base, the fixed clamp body is provided with left and right tips, a V-shaped block is provided at the left end of the fixed clamp body, a precision jaw plate is provided at the left end of the movable clamp body, a replaceable clamping module is provided between the V-shaped block and the precision jaw plate, and a protruding screw is connected to the right side of the movable clamp body. By turning the handle, the screw can be moved forward or backward, driving the movable clamp body to move forward or backward along the fixed clamp body through a metal guide rail. Through this structure, the clamping of thin plate and block-type micro-small parts can be achieved without using multiple sets of clamps, thereby reducing costs.

The invention discloses SPR (Surface Plasmon Resonance) self-punching riveting equipment for an integrally die-cast vehicle body and a machining method. The advancing and retreating plate is connected to the machining table through a driving mechanism; the at least one clamping mechanism is arranged on the top surface of the advancing and retreating plate; the at least one self-punching-riveting mechanism is detachably connected to the machining table; a vehicle body is fixed through the clamping mechanism and conveyed to the self-punching-riveting mechanism through the driving mechanism via the advancing and retreating plate, and the vehicle body is riveted and fixed through the self-punching-riveting mechanism. According to the SPR self-punching riveting equipment, accurate movement of a single vehicle body can be achieved, riveting machining can be conducted on multiple positions of the vehicle body at the same time, the machining efficiency and precision of the SPR self-punching riveting equipment are greatly improved, the labor intensity of manual operation is reduced, meanwhile, multiple vehicle bodies can be selected to be riveted at the same time according to the sizes of the vehicle bodies, and use is flexible and convenient.

The invention discloses a clamping method for processing a rocker arm swash plate on a dual-spindle chuck turning and milling compound machine tool, comprising the following steps: the first step is to manufacture a mold-type soft jaw according to the shape structure of the rocker arm swash plate; the second step is to install two mold-type soft jaws on a two-jaw chuck, and use the two-jaw chuck to drive the mold-type soft jaws to clamp the rocker arm swash plate blank; the third step is to process a limiting threaded hole on the side of the mold-type soft jaw, and use a limiting screw to realize the positioning of the rocker arm swash plate blank in the direction of the ear shaft hole; the fourth step is to process the corresponding position of the rocker arm swash plate blank to obtain a semi-finished rocker arm swash plate machined part; the fifth step is to manufacture a post-processing fixture according to the structure of the semi-finished rocker arm swash plate machined part; the sixth step is to use the post-processing fixture to position and clamp the semi-finished rocker arm swash plate machined part, and then process the semi-finished rocker arm swash plate machined part to obtain a finished rocker arm swash plate. The invention has the characteristics of being able to effectively improve the rigidity of the product and stabilize the processing quality.

The utility model relates to a vacuum pump rotor polishing device, and aims to solve the problems that according to existing rotor polishing devices, a rotor is mostly fixed through clamps, the rotor cannot rotate after being fixed, the rotor needs to be repeatedly disassembled and assembled during polishing, the polishing efficiency of the rotor is greatly reduced, and the polishing cost is reduced. The burr grinding device comprises a bearing mechanism and a four-axis grinding mechanism installed on one side of the bearing mechanism, the bearing mechanism comprises two side plates and two end plates arranged on the two sides of the opposite faces of the two side plates, and U-shaped grooves are formed in the centers of the tops of the opposite faces of the two side plates; rotatable clamping and fixing are adopted, rotation adjustment of a rotor is achieved, the step of repeated disassembly and assembly is omitted, the grinding efficiency of burrs on the surface of the rotor is improved, and fine adjustment can be conveniently conducted according to the grinding condition when the burrs are ground.

The utility model provides a grooving machine for transverse door pockets, and belongs to the technical field of wooden door processing. The grooving machine for the transverse sleeve of the door pocket comprises a rack, a lifting frame, an abutting frame, a moving assembly, an end sawing assembly and a milling assembly. The lifting frame and the abutting frame are arranged on the machine frame, clamping of a transverse sleeve to be machined is achieved through movement of the lifting frame relative to the abutting frame, meanwhile, the movement assembly capable of moving in three directions of the space is arranged on one side of the machine frame, and the end sawing assembly and the milling assembly are arranged on the movement assembly. The end sawing assembly and the milling assembly are driven by the moving assembly to move in three directions of space, machining feeding is achieved, the machining requirements of different transverse sleeves are met, in addition, grooving and door stop caulking groove machining of the two ends of the transverse sleeve are achieved through the end sawing assembly and the milling assembly respectively, the unification of machining standards can be guaranteed, and the machining efficiency is improved. The machining precision is improved, synchronous machining of a plurality of machining steps can be achieved, and the machining efficiency is improved.

The utility model provides a flexible equipment cabin section welding device, which belongs to the technical field of welding and consists of a base assembly, a lifting assembly and a fixing assembly. The base assembly is mainly used for supporting an upper-layer structure; the lifting assembly is mainly used for achieving height adjustment and angle adjustment of the device, the lower end of the lifting assembly is provided with a resistance device, the resistance device rubs with the inner wall of a supporting pipe of the base assembly, rotation resistance is increased, and free rotation of a cabin section in the assembly process of cabin section wire welding and the like is avoided. The fixing assembly is mainly used for placing and fixing the cabin section, protective rubber pads are arranged at the ends of the fixing rods, the appearance of the cabin section is prevented from being damaged, clamping of the cabin section is fast and convenient, anti-static gaskets are laid at the bottom of the fixing assembly, and the effects of electrostatic protection and appearance protection can be achieved at the same time. The device is modularly designed, and the height and the angle are flexibly adjustable; the product welding quality is ensured; the operation is simple, and the clamping and dismounting of the product can be easily realized.

The cutting fluid spraying cutter sleeve special for the lathe tool rest comprises a shockproof extension sleeve and a tool rest connecting sleeve which are coaxially connected, and the outer wall of the tool rest connecting sleeve is the contact face of the cutter sleeve and an inner hole of the lathe tool rest; cutter bar assembly cavities are formed in the middle upper sections of the shockproof extension sleeve and the cutter rest connecting sleeve in the axis direction and used for containing cutter bars; a cutting fluid energy storage cavity is formed in the lower section of the tool rest connecting sleeve in the axis direction, and the cutting fluid energy storage cavity communicates with the tool bar assembly cavity; the outer walls of the shockproof extension sleeve and the tool rest connecting sleeve are provided with tool nose center height automatic centering anti-rotation pressing surfaces; a shockproof screw and a fastening screw are arranged on the pressing surface and are used for positioning and pressing the cutter bar arranged in the cutter bar assembly cavity; a cutting fluid pressurizing groove is machined in the inner wall of the cutter bar assembly cavity and is designed in a taper mode, and drainage and secondary pressurization are conducted on cutting fluid in the cutting fluid energy storage cavity. Cutting fluid can be effectively injected into the cutter, the product quality during small hole machining is improved, and the service life of the cutter is prolonged.

The present invention discloses a double-end face welding device for a conveyor roller, belonging to the technical field of welding equipment, and comprising: an installation frame, in which a rotating motor and a driving motor are fixedly installed; a welding mechanism, which comprises a welding gun, an adjustment mechanism and a guide rail connected to the front side of the adjustment mechanism; a clamping mechanism, which comprises a clamping plate, a first cylinder, a linkage monitoring mechanism and two clamping wheels; a weld monitoring mechanism, which comprises a monitoring plate, a monitoring wheel, a vertical plate, a vertical plate, a fixed plate and a pressure sensor. The present invention can stop welding work in time when looseness occurs during the welding process by monitoring the clamping and cleaning through the linkage monitoring mechanism, monitor the thickness and flatness of the weld by the weld monitoring mechanism, and stop welding work in time to achieve positioning when leakage or lack of weld occurs in the weld by the inertial monitoring mechanism, which is convenient for troubleshooting and adjusting welding parameters to ensure welding quality.

The present invention discloses a device for clamping a frame, comprising an articulated ear seat, a main board and a locking mechanism, wherein the articulated ear seat is provided with an articulated hole; a lock tongue seat and a baffle are fixedly arranged on the bottom surface of the main board; the locking mechanism comprises a nut, a lock tongue, a spring, a screw, a limit seat and a shift fork, wherein the lock tongue is slidably assembled with the lock tongue seat, the head end of the screw is fixedly connected with the plane end of the lock tongue, the spring is located between the lock tongue and the baffle, one end of the limit seat is fixedly connected with the baffle, and a long limit groove and a short limit groove are circumferentially staggered on the circumferential surface of the other end, one end of the shift fork is connected with the lock tongue and can rotate freely relative to the lock tongue, and the other end is selectively assembled with a long limit groove or a short limit groove. The device for clamping a frame of the present application improves the efficiency of frame handling, reduces the labor intensity and labor cost of frame handling, and at the same time, avoids damage to the saplings during the handling process, and reduces the space limitation of the handling operation.

The invention discloses a portable central venous pressure measuring instrument, and relates to the technical field of medical instruments. The portable central venous pressure measuring instrument comprises a measuring instrument body which is used for installing an infusion tube and detecting the height of the liquid level in the infusion tube; the infusion tube positioning sleeve is embedded in the left side of the front surface of the detector body; the infusion tube positioning sleeve is arranged on the surface of the detector body to install the infusion tube, the infrared sensor is used for detecting the liquid level in the infusion tube, the alarm function of an existing infusion device can be achieved, and after the detector body is adjusted to be aligned with the axillary midline of a patient, infrared rays are used for detecting the height of the liquid level; the central venous pressure value can be accurately and automatically read and automatically uploaded to a computer terminal. And the detector body is fixed on the infusion support, so that the problem that the detector is always held by hands is solved, the manpower is saved, and the influence of factors such as shaking on the detection precision can be avoided. By arranging the infusion tube traction structure, the anti-pulling effect can be achieved, and the detection precision can be guaranteed.

The utility model relates to a clamping device for conductor detection, which comprises a sliding guide rail and a pair of two detection clamps, and can be used for cable detection as well as detection of conductors such as bars, pipes and the like. The detection clamp comprises a sliding support and a clamping body, the bottom of the sliding support is slidably connected to the sliding guide rail, and the top is connected with the clamping body. A plurality of bolt holes are evenly formed in the side face of the clamping body in the same circumferential direction, a conductor core end face electrifying screw hole and a plurality of conductor side face electrifying wiring holes are formed in the bottom face of the clamping body, a bolt is correspondingly connected into each bolt hole, the end face of each bolt is connected with an arc plate, and an electric wire is welded or fixed through a screw at the bottom end of each arc plate. The power-on wiring holes are led out from the bottom; and a circle of insulating material is adhered between the clamping main body and the sliding bracket. Compared with the prior art, the tool has the advantages that the bolt and the arc plate can be flexibly selected and adjusted according to different conditions of conductor profiles to be measured and diameters, the fixation is stable and reliable, the universality is high, and the like.

The utility model discloses a tile type neodymium iron boron double-sided grinding machine which comprises a conveying mechanism and a butt joint frame arranged on one side of the conveying mechanism. The grinding pieces are arranged on the two sides of the butt joint frame; the driving mechanism is arranged in the inner cavity of the butt joint frame; the limiting blocks are fixed to the two sides of the top of the butt joint frame respectively. Two pieces of neodymium iron boron are conveyed to the two sides of the top of the butt joint frame through the belt conveying structure, after the two pieces of neodymium iron boron are clamped and positioned, the outer side faces of the two pieces of neodymium iron boron can be ground at the same time through the two grinding wheels, and the function of grinding the outer side faces of two workpieces at the same time is achieved; compared with the prior art, machining efficiency is improved, machining time and cost are reduced, automatic feeding is achieved, continuous production is achieved, manual intervention and operation are reduced, two pieces of neodymium iron boron can be clamped and positioned at the same time, and therefore clamping efficiency is improved.

The utility model discloses a drilling device for precision metal structural part machining, which comprises a workbench, electromagnets are fixedly mounted on the side parts of two groups of mounting blocks, and a second magnet is fixedly mounted on the side part of a fixed plate; through the design of structures such as an electromagnet, a fixing rod, a fixing plate and a second magnet, the electromagnet is electrified, and the positive pole of the electromagnet and the positive pole of the second magnet repel each other, so that the fixing plate can move through the mutual repulsion force of the electromagnet and the second magnet, and the fixing rod can be inserted into the placing groove; and after an electromagnet is powered off, a fixing plate can return to the original position under the pushing of a pushing spring, so that after the fixing force of a fixing rod on the metal structural part disappears, the metal structural part can be conveniently disassembled and replaced, and the practicability is high. According to the utility model, the metal structural member can be conveniently clamped and replaced, and the replacement efficiency of the metal structural member can be improved.

The utility model relates to a three jaw chuck and machine tool relates to machine tool technical field, including chuck body and three jaw subassembly, the three jaw subassembly is all along the chuck body radial direction and with the chuck body sliding connection, the three jaw subassembly is including first jaw subassembly, second jaw subassembly and third jaw subassembly respectively, the chuck body radial direction is provided with the chuck body radial direction, and the chuck body radial direction is provided with the chuck body radial direction and with the chuck body sliding connection, the three jaw subassembly is including first jaw subassembly, second jaw subassembly and third jaw subassembly, the chuck body radial direction is provided with the chuck body radial direction. The first clamping jaw assembly is provided with a first clamping face, the second clamping jaw assembly is provided with a second clamping face, the third clamping jaw assembly is provided with a third clamping face, the second clamping face and the third clamping face are oppositely arranged in parallel, the first clamping face is located on one side between the second clamping face and the third clamping face, and the third clamping face is located on the other side between the second clamping face and the third clamping face. And the first clamping surface is vertical to the second clamping surface. The machine tool comprises a three-jaw chuck. The three-jaw chuck has the advantages that square workpieces are clamped through the three-jaw chuck, the three-jaw chuck is simple and easy to operate, work difficulty is lowered, and work efficiency is improved.

The utility model relates to machining equipment technical field, especially a kind of drilling tapping machine, including rack, the rotary table is horizontally rotatable and is equipped on rack, rotary table rotating drive mechanism is equipped on rack and can drive rotary table horizontal rotation;Four fixture mechanisms are set apart along the circumferential direction on rotary table, fixture mechanism outer end has chucking mouth and can hold rod-shaped workpiece end portion;Automatic feeding mechanism, drilling mechanism, tapping mechanism and material withdrawal mechanism are respectively set up on the rotary table outside of rack and each corresponding fixture mechanism;Automatic feeding mechanism can push out workpiece from discharge port one by one and make workpiece distal end corresponding into the chucking mouth of fixture mechanism to complete clamping;Drilling mechanism and tapping mechanism each have drilling tool and tapping tool, the utility model has the characteristics that structure design is more simple and reasonable, can improve drilling bottom hole and tapping efficiency, can improve workpiece clamping and blanking efficiency.

The utility model relates to the technical field of automatic guide rail equipment, and particularly discloses an upper and lower double-rail independent drive variable-pitch mechanism which comprises a supporting frame, and a first servo motor, a second servo motor, an upper annular guide rail and a lower annular guide rail are arranged on the supporting frame. The upper annular guide rail and the lower annular guide rail are each provided with an upper connecting sliding base set and a lower connecting sliding base set, the first servo motor is in transmission connection with the upper connecting sliding base sets through an upper driving chain, and the second servo motor is in transmission connection with the lower connecting sliding base sets through a lower driving chain. The first servo motor and the second servo motor are arranged to drive the upper connecting sliding base set and the lower connecting sliding base set respectively, independent control over the corresponding upper connecting sliding base set and the lower connecting sliding base set is achieved, therefore, the distance between the upper connecting sliding base set and the lower connecting sliding base set is adjusted according to actual production requirements, flexibility is high, and production efficiency is high. And the production requirements can be met.

The utility model provides an automatic ball pin feeding and receiving mechanism of automatic ball pin diameter detection equipment, which comprises a rack and two conveying components, and the two conveying components are distributed left and right and are connected to the rack. Wherein one conveying assembly is used for conveying a tray loaded with a to-be-detected ball pin and recovering an empty tray after the ball pin is completely taken from the tray through the automatic ball pin diameter detection equipment, and the other conveying assembly is used for conveying the empty tray and recovering the tray filled with the ball pin after the tray is filled with the ball pin through the automatic ball pin diameter detection equipment; according to the utility model, the trays filled with the ball pins can be automatically moved to the feeding position of the automatic ball pin diameter detection equipment and the empty trays can be recovered, and the trays filled with the ball pins can be automatically moved out of the discharging position of the automatic ball pin diameter detection equipment and the empty trays can be placed at the discharging position; therefore, the labor intensity of workers can be reduced, and the labor cost is saved.