2143results about "Chucks" patented technology

Quick-change hole saw mandrel (10) for a hole saw (18); includes drive shank (14) extending along a central axis (C); and mounting end (16) detachable connected to mounting aperture (26) of hole saw (18) and including drive pin (30) for engagement with drive pin aperture (28) of the hole saw (18). The mandrel (10) includes a gripping arrangement (32) insertable through the mounting aperture (26) for gripping the hole saw base (20). In a normally expanded configuration the gripping arrangement (32) grips the base (20). The gripping arrangement is selectively movable to a contracted configuration in which it can be inserted into or removed from the mounting aperture (26). A pilot bit lock selector (44) for selecting between an unlocked mode permitting quick removal and quick insertion of the pilot bit (12) and a locked mode in which the pilot bit (12) is locked against removal.

The invention discloses an integrated machining device suitable for a large marine propeller, which comprises a machining adjusting assembly, the machining adjusting assembly is composed of an X-axis moving mechanism, a Y-axis moving mechanism and a Z-axis moving mechanism, one side of the Z-axis moving mechanism is fixedly provided with a rotating mechanism, one end of the rotating mechanism is fixedly connected with a cutting assembly, and the other end of the rotating mechanism is fixedly connected with a cutter; according to the large marine propeller integrated machining device with the automatic machining function and the self-adaptive clamping function, through the integrated multi-axis linkage machining adjusting assembly and the three-dimensional scanner, automatic path planning can be conducted, and automatic operation is achieved; therefore, the dependence on advanced technicians is greatly reduced, the machining efficiency and the product consistency are remarkably improved, and meanwhile, through the collaborative design of the rotatable three-jaw chuck and the center supporting mechanism, simultaneous reliable supporting from the interior and the exterior of the workpiece can be automatically achieved during clamping.

The utility model relates to the technical field of numerical control machinery, in particular to a workpiece chuck for numerical control machining of aluminum alloy. The device comprises a connecting column, a clamping platform is fixed to the top end of the connecting column, limiting blocks are evenly distributed and fixed to the top end of the clamping platform, sliding rods are slidably connected into the limiting blocks, connecting blocks are fixed to the ends, away from each other, of the top ends of the five sliding rods, and sliding columns are fixed to the ends, close to each other, of the top ends of the five sliding rods. Clamping jaws are fixed to the ends, close to each other, of the top ends of the five connecting blocks, and a clamping mechanism is arranged at the top end of the sliding rod. According to the workpiece chuck for numerical control machining of the aluminum alloy, the five clamping jaws are driven by the clamping mechanism to clamp a cylindrical workpiece in the direction away from or close to one another, so that the stability and practicability of the device in the workpiece machining process are improved, and the working efficiency of the device is greatly improved; the clamping range of the device is increased according to different sizes of cylindrical workpieces.

The utility model discloses an adjustable floating chuck suitable for a heavy horizontal lathe, which relates to the technical field of heavy horizontal lathes and comprises a chuck body. The bottom of the main shaft is in threaded connection with the bottom of the chuck main body; the outer side of the floating assembly is in sliding connection with the inner side of the chuck main body; the top end of the pull rod is fixedly connected with the bottom of the floating assembly; the outer side of the first clamping assembly is rotationally connected with the outer side of the floating assembly; and the outer side of the second clamping assembly is rotationally connected with the two sides of the floating assembly. According to the device, materials are clamped by arranging the first clamping assembly and the second clamping assembly, the materials are prevented from inclining, the production efficiency of the materials is improved, and the clamping precision of the first clamping assembly and the second clamping assembly is enhanced by arranging the floating assembly and adjusting the first clamping assembly and the second clamping assembly.

The utility model discloses a four-jaw chuck with a dust-proof mechanism, which comprises a fixed seat, a mounting plate is rotatably mounted on the surface of the fixed seat, a four-jaw chuck main body is arranged on the surface of the mounting plate, the four-jaw chuck with the dust-proof mechanism further comprises a shielding cover, and the inner wall of the shielding cover is attached to the surface of the four-jaw chuck main body. According to the scheme, the electric push rod contracts to drive the shielding cover and the extension cover to be attached to the clamping jaws on the surface of the four-jaw chuck body and cover the sliding grooves containing the clamping jaws to move, and when the clamping jaws move, the spring arranged in the first connecting base enables the extension cover to synchronously move along with the clamping jaws and to be continuously attached to the clamping jaws; according to the four-jaw chuck provided by the invention, the clamping jaws move to cover the sliding grooves again after the clamping jaws move, so that dust generated in the machining process can be prevented from entering the chuck through the sliding grooves by covering the sliding grooves, the driving assembly is ensured not to be influenced by the dust, and the four-jaw chuck can be normally used.

The invention belongs to the technical field of inner star wheel clamps, and particularly relates to an inner star wheel quick-change high-precision clamp which comprises a clamping shell, a clamping component is arranged in the clamping shell, the clamping component comprises a quick-change clamping block, and the quick-change clamping block clamps an inner star wheel. According to the quick-change high-precision clamp for the inner star wheel, the clamping component and the driving component are arranged, a chute is in inclined sliding fit with an inclined rod, and a pushing taper sleeve drives the conical surface of a roller on an inserting rod, so that the single axial movement of a driving hydraulic cylinder is creatively changed into the single axial movement of the driving hydraulic cylinder; according to the three-jaw chuck, the three clamping jaws are synchronously decomposed and converted into the composite motion of radial shrinkage and axial compression of the three clamping jaws, and the structure enables the clamp to actively and reliably restrain the axial degree of freedom of a workpiece while clamping the outer circle of the workpiece, so that the defect that the axial constraint of a traditional three-jaw chuck is weak is overcome. The method has the following direct effects: firstly, a machine tool is allowed to process by adopting larger cutting depth and feed rate, so that the processing efficiency is obviously improved, and the service life of a cutter is prolonged;

The invention relates to the technical field of automobile part manufacturing, discloses an adjustable multi-angle trimming and deburring device for automobile part machining, and provides a scheme that a trimming machine tool is matched with a multi-angle trimming mechanism to solve the problems that in the prior art, the clearing efficiency of flashes and burrs at a center hole and a heat dissipation groove of a brake disc is low, and positioning is not accurate. According to the device, a four-jaw chuck is driven by a driving motor to rotate a brake disc, a ball screw, a movable block, a connecting rod and other assemblies are utilized, four sets of trimming cutters synchronously trim a center hole, the inner side, the outer side and the bottom face corners of a heat dissipation groove correspondingly, a buffering inserting rod and a spring are combined to absorb impact, and precise operation of the cutters is guaranteed through the design of a deflection rotating shaft, a magnet and the like. According to the scheme, burrs at multiple positions are cleaned at a time, clamping errors are eliminated, energy consumption and cutter abrasion are reduced, the structure is compact, the device is suitable for automatic trimming of brake discs of different sizes, and the machining efficiency and precision are remarkably improved.

The invention relates to the technical field of machine tool clamps, in particular to a chuck clamp with an adjustable clamping angle and an angle adjusting method. Comprising a chuck body and movable clamping jaws, the multiple movable clamping jaws which are annularly and evenly distributed are arranged on the chuck body, a first step and a second step are arranged on the end face of each movable clamping jaw, the multiple movable clamping jaws can be close to or away from the center of the chuck body from the end of the chuck body, and an adjustable clamping plate is movably connected to the positions, close to the center of the chuck body, of the movable clamping jaws. The clamping angle of the adjustable clamping plate is adjusted through an angle adjusting system, the angle adjusting system comprises an adjusting bolt, a controller and a human-computer interface, the adjusting bolt is in threaded connection with the adjustable clamping plate and the movable clamping jaw, and the adjusting bolt is driven by a micro motor. According to the invention, a workpiece with a tapered excircle can be effectively clamped, the inclination angle of the chuck fixture can be accurately controlled, the clamping is simpler and more convenient, the clamping time is shortened, and the workpiece processing quality is ensured.

The invention provides a rotary force transmission device and a machine tool, the rotary force transmission device comprises a power connecting part, a machine tool spindle fixing part, a first clutch mechanism, a screw rod, a screw rod nut and a pull rod connecting shaft, the screw rod nut is matched with the screw rod, the screw rod nut can translate front and back when the screw rod rotates, and the pull rod connecting shaft is mounted at one end of the screw rod nut; the driving connecting part is located at the input end of the lead screw, the machine tool spindle fixing part is close to the output end of the lead screw, part of the first clutch mechanism is connected with the power connecting part, and part of the first clutch mechanism is connected with the lead screw, so that the power connecting part is in transmission connection with the lead screw or is separated from the transmission connection with the lead screw. The rotary force transmission device provided by the invention can be directly sleeved in the machine tool main shaft as a related part, and the structure has better reliability.

An element changer includes a plurality of operation pin members (4) inserted in a housing (3). Each of the operation pin members (4) has a wedge surface (12c). When the operation pin members (4) are pushed into the housing (3), each wedge surface (12c) is disengaged from an engaging portion (10a) provided at a leading end portion of a tubular wall portion (10) of a tool plate (2) or of a connection plate (1). This allows a tool (5) functioning as a second element to be detached from a robot arm (8) functioning as a first element.

The invention discloses a multi-angle milling device for machining, and belongs to the technical field of machining, the multi-angle milling device for machining comprises a supporting seat, the supporting seat is fixedly connected with milling equipment, and the supporting seat is fixedly connected with a moving assembly. The rotation of the second rolling wheel further drives the rotating shaft and the rotating plate connected with the rotating shaft to rotate synchronously, linkage of the whole structure is achieved, the four-jaw chuck is driven by the rotating plate to conduct angle adjustment, it is ensured that the clamped workpiece rotates integrally, meanwhile, the second rolling wheel further drives the protruding block arranged on the second rolling wheel to rotate, and when the protruding block rotates to a specific position, the protruding block is driven by the second rolling wheel to rotate. The protruding block extrudes the extrusion rod, then the extrusion rod pushes the rotating ring and the pressing plate to rotate cooperatively, the control button is pressed in the rotating process of the pressing plate, the control button controls the first motor to stop running through a wire signal after being stressed, and a section of action closed loop of angle adjustment is completed. And the flexibility and the positioning precision of multi-angle milling are effectively improved.

The invention discloses a deep hole turning numerical control machine tool machining clamp, and relates to the technical field of clamps, the deep hole turning numerical control machine tool machining clamp comprises a mounting seat and a flange mounted on the rear side of the mounting seat, a groove is formed in the front side of the mounting seat, a rotating seat is mounted in the groove, and rotating shafts are connected to the centers of the upper surface and the lower surface of the rotating seat; first bearings are connected between the two rotating shafts and the mounting base, mounting grooves are formed in the centers of the side walls of the periphery of the rotating base, and chuck bodies are mounted in the four mounting grooves. By arranging the four chuck bodies, the rotating seat can clamp special-shaped parts, round parts, square parts and thin-wall parts, and the universality of the machining clamp is achieved; by arranging the mounting base, the rotating shaft and the rotating base, the rotating base rotates to switch different chuck bodies to clamp different types of workpieces, the chuck does not need to be detached for replacement, and the time interval for switching the different types of workpieces for machining is greatly shortened.

A machine tool has a front spindle that rotatably holds a bar, a front spindle drive motor that rotationally drives the front spindle, an encoder that detects a rotation angle of the front spindle drive motor, a rotary guide bush that is installed on a guide bush support in front of the front spindle to support the bar extending from the front spindle while allowing the bar to rotate around a rotation axis and move in a rotation axis direction and rotate synchronously with the front spindle, a back spindle that is arranged opposite to the front spindle and rotatably holds the bar, a back spindle drive motor that rotationally drives the back spindle, and a controller that controls operations of the front spindle and the back spindle.

In a tool holder attachment state detection method of the present invention, during setup, a tool holder 11 is attached to a spindle 26 without any chuck error, counting of the number of notches 11C formed in a flange portion 11B is started after the rotation of a tool 9 is started, and a time T taken to obtain measurement data from the notch 11C detected last and a count N at that time are stored, and during machining, measurement data is obtained by making the count N and the time T correspond to each other by the same procedure as during setup. Therefore, regardless of sensor types, the number of notches, shape accuracy, environment, and the like, this method easily and accurately matches the phases of measurement data during setup and machining, and improves the detection accuracy of chuck errors.

The invention relates to a rearview mirror large-diameter mirror rod outer circle turning and thread rolling full-automatic machining all-in-one machine which comprises a rack, a material pushing mechanism, an outer circle turning mechanism, a transmission mechanism and a thread rolling mechanism, the rack is provided with two material stacking areas arranged side by side, and the material pushing mechanism pushes two raw material rods into the outer circle turning mechanism; the outer circle turning mechanism comprises a driving assembly, a first seat body, a second seat body, two hollow chucks, a turning tool assembly and a first driving part, the first seat body is fixedly arranged on the rack, the second seat body is located on the side, away from the push rod, of the first seat body, and the two hollow chucks are rotationally connected to the two seat bodies correspondingly; the turning tool assembly is arranged between the first seat body and the second seat body; the transmission mechanism is located between the second base body and the thread rolling mechanism, and the two raw material rods are conveyed to a feeding opening of the thread rolling mechanism in the same direction. The material pushing mechanism can push the two raw material rods to enter the outer circle turning mechanism at the same time, two machining devices do not need to be arranged side by side, and the machining speed of a follow-up thread rolling machine is better matched.

The invention relates to the technical field of part machining, in particular to a machine tool self-adaptive chuck structure based on irregular part machining, which comprises an operation table and a cover frame of an inverted concave structure, the cover frame is clamped at one end of the top surface of the operation table, and a clamping mechanism is arranged at the top of the cover frame; the material clamping mechanism comprises a chassis arranged at the top of the cover frame, a first motor is arranged at the center of the bottom face of the chassis, a rotating disc is arranged at the output end of the bottom of the first motor, and a connecting rod fixedly installed at the center of the bottom of the rotating disc is rotationally connected with the top face of the cover frame. According to the clamping device, irregular and regular parts are clamped and limited in a self-adaptive mode, the situation that the parts are damaged or deviated due to hard clamping is reduced, the machining efficiency of the irregular parts is improved, the clamping position or height of the clamp for the irregular parts is adjusted according to the machining requirement, meanwhile, sweeps at the position of the clamp are conveniently cleaned, and the practicability of the clamping device is improved.

The utility model relates to the technical field of machining, in particular to a four-claw backward-pulling double-clamping fixture. After the first end face of the shell is roughly positioned through the positioning jig, the driving part synchronously drives the four clamping jaws to press and position the first end face of the shell on the positioning jig, and the other power source drives the connecting rod to drive the collet part to clamp and position the second end face of the shell. And the clamping deformation is smaller, the precision after machining is higher, it is guaranteed that the machining allowance of subsequent procedures is smaller and more uniform, and the machining efficiency is higher.

The utility model discloses a bar clamping mechanism of a numerically controlled lathe, which belongs to the technical field of numerically controlled lathes and comprises a clamping seat, a first through hole is arranged at the center of the clamping seat, a first cavity is arranged on one side inside the clamping seat, and the first cavity is communicated with the first through hole. And a protection fixing assembly and an auxiliary dust removal assembly are arranged in the first cavity. According to the long bar clamping and fixing device, the driving motor drives the rotating shaft, the first lead screw and the second lead screw to rotate, so that the two threaded sleeves respectively drive the flat plate, the arc-shaped block, the spring and the flexible plate to move relatively, the long bar is clamped and fixed in an auxiliary mode through the flexible plate, and the clamping and fixing effect on the long bar is further improved; and meanwhile, the arc-shaped blocks can shield the first through holes, so that sweeps are prevented from entering the numerical control lathe in the long bar machining process, and therefore the use protection performance of the device is effectively improved.

The invention discloses a horizontal lathe for finish machining of a workpiece, and relates to the field of lathes, the horizontal lathe comprises a lathe body, a spindle box, chucks, a tool rest, a second electric push rod, a cooling chip removal assembly and an annular workpiece, the number of the chucks is two, the chucks are installed on the left side and the right side of the interior of the lathe body respectively, and the chuck on the left side is fixedly connected with an output shaft of the spindle box; the spindle box is fixedly installed on the left side of the inner wall of the lathe bed. Through cooperation of the annular workpiece, the chuck, the chuck jaws, the adjusting assembly and the driving motor, the chuck jaw adjusting effect in three directions is achieved through the arrangement of the adjusting assembly, the chuck adopts a three-jaw self-centering mode, the chuck rapidly and firmly clamps the annular workpiece, the chuck jaws are subjected to precise grinding, and the machining precision is improved. The clamping face is attached to the outer circle or the inner hole of the circular-ring-shaped workpiece, the chuck jaw is used for meeting the requirements of different circular-ring-shaped workpieces, automatic alignment and clamping are achieved, manual alignment errors are reduced, the coaxiality of the clamped circular-ring-shaped workpieces is guaranteed, and the clamping device is a core part for positioning and machining the circular-ring-shaped workpieces.

The invention discloses rotary clamping equipment for a medium-caliber seamless steel pipe for fluid conveying and a using method, and relates to the technical field of steel pipe machining. The rotary clamping equipment for the seamless steel pipe for conveying the medium-caliber fluid comprises a rack, a steel pipe, a machine box and a supporting frame, and further comprises a chuck assembly which is coaxially and rotatably installed on the machine box and the supporting frame and used for fixing the two ends of the steel pipe. The double-row cylindrical self-aligning bearing is used for supporting the main shaft sleeve, passive self-adaptive self-aligning of the main shaft sleeve is achieved, a chuck assembly at the driving end can follow the instantaneous rotation axis of actual bending change of a steel pipe in real time, and a workpiece is not forced to conform to the theoretical axis of equipment; the problems of spiral line contact between the clamping jaw and the surface of the steel pipe, local stress concentration and periodic pulsation attenuation of clamping force caused by forced centering under traditional rigid clamping are solved, it is guaranteed from the source that the clamping jaw and the outer edge of the steel pipe always keep stable and uniform surface contact in the initial clamping stage and the rotating process, and axial movement is eliminated.

The utility model discloses a milling machining center and a shaft type workpiece clamp thereof. The milling machining center comprises a base, a connecting plate, a shaft clamping block, a toggle clamp and a three-jaw chuck seat. The multiple shaft clamping blocks are limited on the connecting plate through pins and used for being matched with one another to form a bearing groove abutting against a shaft type workpiece, and the shaft type workpiece is borne on the shaft clamping blocks. The toggle clamp is connected with the shaft clamping block through a screw and used for abutting against the shaft type workpiece through a chuck of the toggle clamp, and the shaft type workpiece is fixed in the radial direction of the toggle clamp through cooperation of the shaft clamping block and the toggle clamp. The two three-jaw chuck seats are slidably connected to the milling machine workbench, located at the front end and the rear end of the connecting plate correspondingly and used for correspondingly clamping and fixing the two opposite ends of the shaft type workpiece correspondingly, the shaft type workpiece is fixed in the axial direction of the shaft type workpiece, the shaft type workpiece is prevented from deviating in the radial direction and the axial direction of the shaft type workpiece in the machining process, the milling precision is guaranteed, and the machining efficiency is improved. And the yield of the manufactured parts is not influenced.

The invention relates to the technical field of machine tool clamps, in particular to a CNC numerical control lathe shaft workpiece machining clamp which comprises a three-jaw chuck, the three-jaw chuck comprises a chuck body, a large bevel gear, a small bevel gear, clamping jaws and an auxiliary clamping device, a shaft part is clamped in the radial direction through the three-jaw chuck, basic clamping force is kept, and meanwhile the clamping jaws are clamped through the clamping jaws. An auxiliary clamping device is additionally arranged inside to further stabilize the clamping effect, along with rotation of the three-jaw chuck, a centrifugal block in the auxiliary clamping device moves along a set path under the action of centrifugal force, an internal transmission assembly is driven to operate accordingly, the transmission assembly guides an auxiliary bevel gear to generate the rotation trend tending to tighten a small bevel gear, and the clamping effect is further stabilized. Furthermore, a locking effect is exerted on the large bevel gear through the small bevel gear, so that the whole structure forms a linkage locking effect, and the problem that when an existing three-jaw chuck is subjected to low-speed or variable-speed machining, a shaft piece is prone to loosening is solved.

The lathe comprises a lathe body, a guide rail, a rotating chuck and a movable base, a material changing device is arranged on one side of the lathe body and comprises a containing frame, a lifting frame and a material changing frame, a material preparing station is arranged in the containing frame, and the lifting frame and the material changing frame are driven by a lifting air cylinder and a telescopic air cylinder correspondingly; a feeding groove and a discharging groove are formed in the end, close to the lathe body, of the material changing frame, an advancing groove matched with the material preparing station is formed in the top of the material changing frame, and an ejection block driven by an ejection spring is arranged in the center of the rotating chuck. Meanwhile, the machined cam shaft is ejected out of the chuck and is received by the discharging groove, and automatic exchange of new and old workpieces is achieved. Automatic and continuous feeding and discharging of camshaft machining are achieved, the waiting time of a machine tool is remarkably shortened, and the machining efficiency and the equipment utilization rate are improved.

The invention discloses a positioning method and device for machine vision assisted numerical control lathe workpiece axis alignment. The positioning method comprises the steps that pre-clamping and initial positioning are conducted on a to-be-machined part; obtaining point cloud data of the three-dimensional contour of the to-be-machined part through a visual scanning assembly; based on the point cloud data of the three-dimensional contour, the axis position of the to-be-machined part and the deviation value between the axis position and the rotating axis of a main shaft of the numerical control lathe are calculated; and the target clamping position of the to-be-machined part is determined based on the deviation value, so that centering clamping and machining are achieved. The motion path of the visual scanning assembly is accurately controlled, the shaft part can be comprehensively scanned to obtain three-dimensional contour data of the shaft part, the axis line is determined through calculation, then the clamping jaw is accurately adjusted and controlled, the axis line of the part coincides with the axis line of the lathe spindle, centering clamping and driving machining of the part are completed, and the machining efficiency is improved. Unmanned intelligent clamping alignment is achieved, and the part clamping quality and efficiency are remarkably improved.

The invention belongs to the technical field of numerical control lathes, and discloses a numerical control lathe which comprises a lathe body, a gear box and a chuck assembly, the gear box is installed at the left end of the lathe body and used for controlling a spindle to rotate and providing energy for work of other parts, and the chuck assembly is installed on the outer side of the output end of the gear box. The chuck assembly comprises a main chuck fixedly connected with the output end of the lathe bed, the inner side surface of the main chuck is slidably connected with a clamping jaw, a bevel gear ring is arranged in the main chuck, the inner side surface of the main chuck is connected with a limiting chassis in a clamped mode, and the inner outer side surface of the limiting chassis is rotationally connected with the inner side surface of the bevel gear ring. The inner side surface of the main chuck is rotationally connected with an adjusting threaded column, the outer side surface of the adjusting threaded column is in threaded connection with the inner side surface of the clamping jaw, and the problems that a machined part is loosened in clamping and inconvenient to operate in the feeding and discharging process are solved.

The invention is suitable for the technical field of valve element machining, and provides a valve element machining machine tool which comprises a rack and a cutting part arranged on the rack in a sliding mode. The rack comprises a conical disc; supporting plates are fixed to the surfaces of the conical discs. A clamping part used for clamping a valve element blank is rotationally arranged on the side face of the supporting plate in a penetrating mode. A sliding frame in sliding fit with the cutting part is fixedly mounted at the top of the supporting plate; two groups of stopping parts matched with the cutting parts are arranged on the sliding frame in a sliding manner; insertion rods matched with the sliding frames in an inserted mode penetrate through the side faces of the vertical plates in a sliding mode. According to the device, in the feeding process of the cutter, through linkage cooperation of all the components, dynamic limiting of a valve element blank in the axial direction of the valve element blank is achieved, deviation of the blank is avoided, deviation and dislocation of the valve element blank caused in the cutter feeding process are avoided, the clamping stability of the valve element blank is improved, and the working efficiency is improved. And the machining quality of the valve element blank is further improved.

The invention discloses an automatic machining system and method for a spiral groove of a spiral groove drill rod for a coal mine. The automatic machining system comprises an X01 module and an X02 module which are arranged in parallel, and the two ends of the X01 module and the two ends of the X02 module are each provided with a feeding module and a discharging module; the module X01 and the module X02 each comprise a screwing module, a spiral groove machining module and a shackle module which are sequentially arranged forwards in the transverse direction. The screwing module comprises a screwing device and a clamping device which are sequentially arranged forwards in the transverse direction. The shackle module comprises a clamping device and a shackle device which are sequentially arranged forwards in the transverse direction. The feeding module and the discharging module are the same in structure and are symmetrically arranged. Through the X01 module and the X02 module which are arranged in parallel, one system can meet the integrated functions of automatic feeding, input, screwing, pre-tightening, unscrewing, output and discharging of a plurality of drill rods of different specifications, the process action is accurate and in-place, connection is compact, and the technical problems that in the prior art, the machining efficiency of spiral groove drill rods is low, and stability is not high are solved.

The invention relates to the field of machine tool machining, in particular to an efficient groove position machining device with a light rotating shaft and a machining method thereof.The efficient groove position machining device comprises a base, a sliding plate is arranged on one side of the base, a tool rest is slidably arranged on one side of the sliding plate, a supporting plate is arranged on one side of the base, and a clamping unit used for clamping a workpiece is arranged on one side of the supporting plate; through the synergistic effect of the clamping units, the rolling wheel pieces and the rubber plates, the springs are pushed in the initial state to enable the rubber plates to stably clamp workpieces, shaking and displacement of the workpieces are effectively reduced in the cutting process, the machining precision is remarkably improved, the rejection rate is reduced, and the size precision and the surface quality of rotating shaft machining are ensured.

The invention relates to the technical field of combined machining, and discloses a five-axis five-linkage turning, milling and drilling combined machining center which comprises an equipment box, a mounting frame is mounted on the rear side of the inner wall of the bottom end of the equipment box, an automatic tool changing system is arranged on the left side of the mounting frame, and a transmission system is arranged in the middle of the mounting frame. A feeding table is slidably mounted on the front side of the inner wall of the bottom of the equipment box through sliding rails. The five-axis five-linkage turning, milling and drilling combined machining center can effectively solve the problems that in the prior art, a five-axis turning, milling and drilling combined machining center mostly adopts the mode that two sets of clamps are matched, parts need to be repeatedly clamped in the machining mode, the machining period of a single piece is directly prolonged through repeated positioning operation, and machining efficiency is high. The clamping precision and the consistency of the two sets of clamps cannot be guaranteed; in the prior art, a worker needs to stretch the upper body into a closed machining area of equipment and manually righting a part to enable the part to be aligned to a clamping hole position and keep a horizontal state, and the process is tedious in operation steps and has safety risks.