4027 results about "Knife handles" patented technology

The invention provides a stirring friction machining device and a welding, material adding and energy control method. The stirring friction machining device comprises a spinning sleeve and a rotation driving assembly, a rotating spinning screw is installed in the spinning sleeve, the rotation driving assembly drives the spinning screw to rotate through a cutter handle, and a stirring component is arranged at the bottom end of the spinning screw; the outer side of the spinning sleeve is coated with an electromagnetic resistance composite coil with adjustable current and frequency, a feeding port and / or a shredding port are / is formed in the side wall of the spinning sleeve, and variable magnetic field intensity is excited through the electromagnetic resistance composite coil according to the electromagnetic induction principle; according to the invention, accurate adjustment of heat input of a tool is realized by adjusting current in a staying starting stage, the problem that a feeding channel is blocked by hardening of materials after short staying during material adding or welding is solved, and composite stirring of metal in a deposition edge area is realized by adjusting the magnitude and frequency of the current as a dominant electromagnetic force. And meanwhile, the temperature distribution characteristics of the acting area are locally adjusted, the interface bonding strength is improved, and the residual stress of the additive component is relieved.

An auto opening folding knife having a blade pivoted from a closed position to a spring urged release open locked position with a combined self-activating sliding auto release and locking arm. The sliding auto release and locking arm is mounted within the knife handle on dual fixed guide and pivot pins within respective arm openings being spring urged there against. Arm positional projections are engaged on a modified blade shank during operation moving the locking arm back and up then releasing to slide forward locking the blade in auto open use position until manual arm engagement by the user against the arm spring and blade spring for release and transitional closure.

An out-the-front (OTF) knife comprises a handle, a blade, a support frame, and a double-action actuation mechanism. The handle comprises a blade channel, an axel channel, and an actuation mechanism channel. The actuation mechanism includes actuation springs. The actuation mechanism is configured in the actuation mechanism channel so that the actuation springs facilitates the deployment and retraction of the blade. A user manipulates a toggle switch which initiates the actuation mechanism. The handle further comprises a double locking securement system with a set of back locks and a set of front locks.

A fixed blade knife includes a handle having an inner surface. A blade has a tang that extends at least partially along the inner surface of the handle. A bolster extends along at least a portion of the tang and releasably connects to the handle.

The invention relates to the technical field of numerical control machine tools, in particular to a polyhedral machining center based on dynamic compensation and five-axis linkage, which adopts an asymmetric swing shaft system design, a workbench integrates X / Y translation and C-axis rotation functions, and a cutter has Z-axis lifting and Y-axis swing capabilities (the swing range of B-axis is-30 degrees to + 120 degrees). And efficient machining of complex curved surfaces and deep cavity structures is achieved through five-axis linkage. The core innovation comprises the following steps: a temperature sensor is embedded in a main shaft bearing seat to monitor the temperature rise in real time and calculate the thermal deformation compensation amount; the vibration sensor is embedded into the cutter handle clamping mechanism, and cutting vibration is dynamically restrained; based on a tool path dynamic correction technology of an RTCP algorithm, track offset caused by multi-axis rotation is eliminated through space coordinate transformation.

The assisted opening knife uses hardened handle inserts to reinforce the knife handles to prevent deformation and damage to the handles due to the blade impacting stop pins upon opening. The knife includes a blade pivotally connected between left and right handle members for rotational movement between open and closed positions. The handle inserts are mounted to the handle members and are seated within a recessed area formed on the interior face of the handle members. The handle inserts securely supporting the stop pins, which seat in holes formed in the handle inserts. Due to the hardened material, the handle inserts prevent deformation and damage to the softer handle members from impact of the blade against the stop pins.

The invention relates to the technical field of milling cutters, in particular to a multi-tooth micro-blade milling cutter and a manufacturing method and application thereof. The multi-tooth micro-blade milling cutter comprises a cutter handle and a cutter head body, wherein the cutter head body is fixedly connected to one end of the cutter handle; the multiple cutter teeth are arranged on the outer side face of the cutter head body, and each cutter tooth extends to the tail end, close to the cutter handle, of the cutter head body from the top end, away from the cutter handle, of the cutter head body; each cutter tooth comprises a front cutter face, a rear cutter face and a cutting edge, the cutting edge is provided with a plurality of continuously-distributed micron-sized protruding micro-blades, the micro-blades form an arc-shaped sawtooth structure, the micro-blades extend to the front cutter faces and form micro grooves in the front cutter faces, the micro-blades extend to the front cutter faces and form micro grooves in the front cutter faces, and the micro-blades extend to the rear cutter faces and form micro grooves in the front cutter faces. The multi-tooth micro-blade milling cutter has the structure of the front angle of the front cutter face of the milling cutter tooth and the rear angle of the rear cutter face of the milling cutter tooth, the linear cutting blade of the traditional cutter tooth is dispersed into micro blades, the stress concentration of the cutter is reduced, a plurality of convex micro blades are in grinding motion on the machining face in the milling process, and the milling and grinding combined machining effect is formed. Unification of machining efficiency and machining precision is achieved.

The utility model relates to a cervical conization knife, and belongs to the field of gynecological operation instruments. Comprising a knife handle and a detachable blade. And the front end 2 of the knife handle tilts and forms an angle with the longitudinal axis of the handheld end 1 of the knife handle. According to different angles between the longitudinal axis of the front end 2 of the scalpel handle and the longitudinal axis of the handheld end 1 of the scalpel handle, the scalpel is divided into three models of A, B and C which are respectively at angles of 27 degrees, 31 degrees and 37 degrees. The cross section of the blade body is arc-shaped, the radian is consistent with that of the cervix uteri, the arc length is 1 / 8 of the circumference of the cervix uteri, namely 1cm, the two sides of the blade are both blade faces 3, the front ends of the blade faces 3 converge to enable the blade tip 4 to be an arc-shaped triangle, the rear end 5 of the blade is a parallel blunt face, and the longitudinal axis of the blade is provided with scales 6. Compared with a traditional cold knife, the novel cervical cold knife can be applied to gynecology cervical cold knife conization, surgical operation is facilitated, a cut cone can be regular, cervical injury is reduced, and the shape and the function of the cervix are reserved to the maximum extent.

A shaving razor system having a shaving razor handle that includes a proximal end, a distal end, an upper surface extending between the proximal end and the distal end. The upper surface having a generally convex profile. The shaving razor handle has a lower surface extending between the proximal end and the distal end, the lower surface has a generally concave profile. A shaving razor cartridge releasably is mounted to the proximal end of the shaving razor handle. A cartridge ejection button is positioned on the lower surface towards the proximal end.

The present invention provides a folding knife containing a blade replacement structure, including a handle body (1), a blade holder (2), a blade (3), and a connection pin (4). The blade holder (2) includes a first clamp plate (21), a second clamp plate (22), a spacer (23), and an elastic member (221). The first clamp plate (21), the second clamp plate (22), and the spacer (23) together enclose an embedding slot that allows the blade to be inserted. When the folding knife is completely opened, a first slot (31) on the blade (3) fits with a first locking protrusion (231) on the spacer (23), and a second slot (32) on the blade (3) fits with a second locking protrusion on the elastic member (221). The blade holder (2) and the blade (3) can rotate around the connection pin (4) to be accommodated in the handle body (1).

The invention discloses a milling process vibration state monitoring method and system for a machine tool milling cutter, and belongs to the technical field of intelligent monitoring. The method comprises the following steps: acquiring a vibration signal of a milling cutter under a reference processing condition, and establishing a reference template containing normal vibration characteristics; dynamically adjusting an alarm threshold value, and starting fault diagnosis analysis; performing envelope spectrum analysis on the vibration signal triggering diagnosis; preliminarily judging the affiliation fault type of the abnormal vibration through a preset fault classification model; and carrying out association verification by combining the attribution fault type and the spatial position information when the abnormality occurs, confirming the root cause of the fault, and outputting a targeted classification alarm instruction. According to the invention, the cutter handle single sensor is linked with phase slicing and dynamic threshold and coordinate verification, so that the faults of the cutter, the cutter rest and the workpiece are accurately distinguished and directionally alarmed, and the problems that a fault source cannot be distinguished by a single channel and the false alarm rate is high in the prior art are solved.

The invention discloses a tool wear real-time prediction method fusing wear and jumping mechanism-three-dimensional vibration data, and belongs to the field of machine tool state monitoring and intelligent manufacturing. According to the method, a three-dimensional acceleration sensor is arranged near a main shaft or a cutter handle, three-dimensional vibration signals in the machining process are obtained, and a cutting force mechanism model is established in combination with cutting parameters and geometric features of the cutter; and tool wear correction and bounce disturbance items are introduced into the mechanism model, and prediction calculation of the three-way cutting force is carried out. And then, a cutting force prediction result and vibration signal features are fused, a comprehensive feature vector is constructed, and real-time prediction of the tool abrasion loss is realized based on a deep learning regression model. According to the method, physical rule constraints of mechanism modeling and data driving advantages of vibration signals are fully utilized, the accuracy and real-time performance of tool wear prediction are effectively improved, and important engineering application value is provided for improving the machining quality, prolonging the service life of a tool and achieving intelligent production.

The invention relates to the technical field of implant processing, and discloses a processing device and method for efficiently producing implants.The processing device for efficiently producing the implants.The processing device for efficiently producing the implantscomprises a base, driving mechanisms are arranged on the front side and the rear side of the top of the base correspondingly, and a transmission mechanism and a lifting mechanism are arranged on the top of each driving mechanism; the top end of the lifting mechanism is connected with tool handles, a turning tool and a milling tool are arranged in the two tool handles respectively, the transmission mechanism comprises a driving plate, a sealing box, a sealing plate and a piston plate, a push plate is fixedly installed between the driving plate and the sealing plate, and the sealing plate and the piston plate are installed in the sealing box in a sliding and sealing mode. The design is reasonable, dynamic self-adaptive adjustment of clamping force is achieved through linkage of centrifugal force and a hydraulic system, when the rotary drum rotates at a high speed, the balance weight plate moves outwards under the centrifugal effect, hydraulic oil is pushed to enter the sliding groove, the pressure on the sliding plate is increased, and therefore the fastening force of the clamping plate on raw materials is automatically increased.

A new type of folding knife includes a handle, a spacer on the inner side of the handle, a flexible backbone on the inner side of the spacer, a blade rotationally connected to the flexible backbone, and a lock clasp. The spacer includes a lock aperture that receives the lock clasp. The lock clasp goes through the lock aperture and slides between locking and unlocking positions in the lock aperture. A lock groove in the blade receives the lock clasp. When in use, the handle is rotated to allow the lock clasp to move under its own weight out of the lock groove in the blade, which allows the blade to open. The handle is rotated again to engage the lock clasp with the lock groove to lock the blade. The folding knife is convenient to use, provides good security, and the overall structure is simpler and easier to assemble.

The tool dust removal structure comprises a positioning piece and a plurality of nozzles, the positioning piece is of an annular structure and is detachably and fixedly arranged at the end, facing a workpiece, of a main shaft and arranged on the periphery of a tool, the multiple nozzles are detachably and fixedly arranged on the positioning piece, the opening end of each nozzle extends towards the tool, and the other end of each nozzle communicates with a ventilation pipeline. The positioning piece and the nozzle are arranged at the end, where the tool is clamped, of the main shaft, foreign matter on the tool handle, matched with the main shaft, of the tool can be automatically removed before the tool is clamped, vibration or position deviation caused by the foreign matter in the rotary cutting process of the tool is avoided or reduced, and then the machining precision of the tool is improved in an auxiliary mode; foreign matters on the cutter body can be cleaned before cutting, the nozzle is communicated with the cooling pipeline, and cooling liquid can be sprayed towards the cutter body during cutting, so that heat dissipation during cutting is accelerated, sweeps are prevented from splashing towards the main shaft, the machining life of the cutter is prolonged, abrasion of the end of the main shaft is relieved, and then the machining precision is improved.

The present disclosure is in the technical field of folding knives, and particularly relates to a rail-type out-the-front folding knife and a using method thereof. In the present disclosure, the sliding fit between the sliding block and the professional sliding parts of the rail replaces the traditional sliding fit between the knife edge and the knife handle to avoid the friction between the knife edge and the knife handle, making the knife more stable and durable. The sliding block and the rail as components can be replaced and renewed quickly after being worn, making the maintenance more convenient.

The invention provides an endoscope anastomat stroke compensation method which can be applied to the technical field of medical instruments. A deflection system of the endoscope anastomat comprises a first stroke sensor, a percussion system of the endoscope anastomat comprises a second stroke sensor, and the method comprises the steps that the first stroke sensor is used for detecting the bending angle of a flexible knife handle in a bending joint in the cutting process; based on the bending angle, the change of the length of the flexible knife handle in the bending joint is calculated, and the forward moving amount of the cutting knife is obtained; a second stroke sensor is used for detecting the current stroke of a driving device at the rear end of the anastomat; and based on the cutting knife forward movement amount and the preset stroke of the anastomat rear-end driving device, the current stroke of the anastomat rear-end driving device is adjusted so as to compensate the stroke of the endoscope anastomat. By arranging the stroke sensor, measuring the forward moving amount of the cutting knife and the current stroke of the driving device at the rear end of the anastomat, and compensating the stroke of the endoscope anastomat, the anastomosis length of the anastomat at various bending angles is stable and consistent, the anastomosis frequency is reduced, and the use cost is reduced.

The utility model discloses a fruit and vegetable self-adaptation peeling device and a peeling forming end cutting device, the fruit and vegetable self-adaptation peeling device comprises a first support, a peeling mechanism arranged on the first support and a profiling peeling driving mechanism used for driving the peeling mechanism to conduct profiling motion, the peeling mechanism comprises a peeling knife, a first peeling angle adjusting mechanism used for driving the peeling knife to rotate around the Z axis and a second peeling angle adjusting mechanism used for driving the peeling knife to rotate around the Y axis. The paring knife comprises a knife handle and a blade installed on the knife handle. According to the fruit and vegetable self-adaptive peeling device, the inclination angle of the peeling knife can be adjusted, and therefore the fruit and vegetable self-adaptive peeling device is suitable for conducting profiling peeling on fruits and vegetables of different shapes and sizes.

A robot wire-filling friction stir welding and solid-phase additive manufacturing device, comprising: a robot (1), a robot friction stir welding main shaft (4) arranged on the robot (1), a main-shaft control device (2), an industrial control computer (3), a robot control device (5), a welding worktable (6) and a push-pull wire feeder (7), wherein the robot friction stir welding main shaft (4) comprises a stir welding main shaft (8), an adapter sleeve (9), a cutting tool shank (10), a locking fixing sleeve (13) and a stirring head, there being two types of stirring head: a wire-filling welding stirring head and a wire-filling additive stirring head. On the basis of a heavy-duty robot, the device drives the friction stir welding main shaft to perform a welding motion, and a spiral milling cutter (11-3) of the stirring head crushes and granulates a wire fed in by the push-pull wire feeder (7), and granular wires are conveyed to a welding region / additive region by means of a material guide thread on a stirring pin, thus realizing robot wire-filling friction stir welding and robot wire-filling solid-phase additive manufacturing, and solving the problems of solid-phase friction stir welding for the connection of small-batch and multi-variety lightweight alloy welding members and high-efficiency additive manufacturing of large-sized lightweight alloy structural members in the aerospace industry.

The invention provides an inner-cooling milling cutter which comprises a cutter handle, a cutting section, an inner-cooling hole and a side edge water outlet hole, the cutting section is connected with the cutter handle, the inner-cooling hole extends from one end, away from the cutting section, of the cutter handle to the interior of the cutter handle and extends into the cutting section, and the side edge water outlet hole is connected with the inner-cooling hole. The cutting section is provided with an axial end far away from the cutter handle, the end, located in the cutting section, of the inner cooling hole is not communicated with the axial end of the cutting section, the side blade water outlet hole is formed in the cutting section, one end of the side blade water outlet hole is communicated with the inner cooling hole, and the other end of the side blade water outlet hole is communicated with the cutter handle. And water can be discharged from the other end of the side blade water outlet hole in the direction of the cutter handle. According to the invention, the cooling liquid can be reversely discharged, so that the cutting edge part of the whole cutter participating in cutting can be fully cooled, the service life of the milling cutter is prolonged, and the production cost is reduced.

The invention discloses a self-adaptive cutter system for brake disc machining. The self-adaptive cutter system comprises a cutter handle, a cutter disc, a cutting blade, a suspension sleeve, an electromagnet and a control system. The permanent magnet is embedded in the circular truncated cone section of the cutter handle, the suspension sleeve is circumferentially fixed to the cutter head through the flat key, the flat key is pasted with the strain gauge to detect cutting force in real time, and the electromagnet and the permanent magnet are oppositely arranged in the radial direction to form magnetic suspension supporting. And the control system adjusts the current of the electromagnet according to the strain signal, dynamically adjusts the radial rigidity and the suspension position of the cutterhead, and realizes axial-radial decoupling support in combination with the thrust bearing. In a preferable embodiment, the cutting blade realizes micron-order cutting depth adjustment through a piezoelectric ceramic driving gasket, the service life of the cutter is prolonged due to the alternative opening design of a cutter head mounting boss, and the problem of winding of a rotating lead is solved by a conductive slip ring assembly. Working conditions such as sand holes and hardness sudden change can be responded in real time, broadband vibration is restrained, the machining precision is improved, the service life of the cutter is prolonged, and the method is suitable for high-precision brake disc machining.

The invention provides a high-adaptability rotary cutter handle self-powered device which comprises a cutter handle, a stator retainer sleeving the lower portion of the cutter handle, a bearing, a rotor core, a winding, a permanent magnet, a stator core, a self-powered circuit board, a circuit board protection cavity, an inner cylinder, an inner cylinder outer ring annular disc and a taper shank straight groove spade drill cutter bar arranged at the lower end of a cutter handle body. Self power supply of the device is realized by adopting an electromagnetic induction principle, the winding on the internal rotor and the permanent magnet of the external stator are designed to cut magnetic induction lines to generate induced electromotive force, and the rotating kinetic energy of the rotating knife handle is converted into electric energy required by the intelligent knife handle, so that power is supplied to the intelligent knife handle. The power supply management circuit is arranged inside, and rectification, filtering voltage stabilization output, overload protection and the like can be carried out on voltage. An external power source and a wire are not needed for power supply and signal transmission of the device, the cutter handle and the cutter are not damaged, and conversion from a common cutter handle to an intelligent cutter handle can be achieved.

The invention discloses full-automatic cutter preparation equipment and a preparation method thereof, and relates to the field of cutter preparation, the full-automatic cutter preparation equipment comprises a working frame, a cutter handle storage box, a blade storage box and a plurality of assembling mechanisms used for connecting cutter handles and blades, and each assembling mechanism is composed of a mounting plate, a fixing cylinder, a wiping assembly and a clamping assembly; through grooves are symmetrically formed in the bottom of the outer wall of the fixing cylinder, the lower surface of the mounting plate is connected with the surface of the conveying belt, the length of the mounting plate is larger than the width of the conveying belt, and the upper surfaces of the supporting plates make contact with the two sides of the lower surface of the mounting plate. The wiping assembly is used for cleaning the outer wall of the entering knife handle and detecting whether the knife handle is bent or not, the clamping assembly is used for fixing the knife handle in the fixing cylinder, and the wiping assembly is connected with the clamping assembly. The problem of impurities on the surfaces of the cutter handle and the blade can be solved, accelerated abrasion of the cutter in the using process is avoided, and the sharpness and the service life of the cutter are guaranteed.

The utility model belongs to the field of automobile part machining and manufacturing, and particularly relates to a milling machine for automobile part machining and manufacturing, which comprises a main body supporting mechanism, an operation table, a movable clamping mechanism and a driving mechanism, the operation table is arranged above the supporting mechanism, the movable clamping mechanism is arranged above the operation table, and the driving mechanism is arranged above the movable clamping mechanism. The driving mechanism is arranged on the rear portion of the movable clamping mechanism, the rotary milling mechanism comprises a motor support, a driving motor, a gear box, a rotary machine head, a cutter handle, a taper-shank milling cutter and a stepping motor, the motor support is arranged outside the driving mechanism, the driving motor is used for driving, and the gear box is arranged on the gear box. The angle of the rotating machine head is adjusted through the stepping motor, parts can be machined from different angles, the problem of large part accumulative errors caused by multiple times of clamping and multiple times of positioning when the parts are replaced can be solved only by replacing cutters, and therefore the part precision is improved.

The invention discloses a B-axis power knife rest comprehensive performance test bench and method. The B-axis power knife rest comprehensive performance test bench comprises a base, a B-axis power knife rest, a simulation knife handle assembly, a knife rest mounting seat, an axial displacement table, a dynamometer assembly, an axial force loading assembly, a radial force loading assembly, a deformation measurement assembly, a temperature measurement assembly, a control system and a data acquisition system. The B-axis power tool rest is fixedly connected to the base through the tool rest installation base, the simulation tool handle is installed on the B-axis power tool rest, the axial displacement table is installed on the base, the power measuring assembly and the axial force loading assembly are coaxially combined and installed and then fixedly connected to an axial displacement table moving plate, and the radial force loading assembly and the deformation measuring assembly are installed on an axial displacement table fixing plate. The testing device is simple and compact in structure, large in loading force range and capable of supporting performance testing of B-axis power tool rests of various models, various stations and under multi-dimensional force loading; the test method is simple.

The invention belongs to the technical field of cutter disassembly and assembly, and particularly relates to a cutter locking structure which comprises a cutter and a cutter handle, and a cam tensioning mechanism is arranged between the cutter and the cutter handle. The cam tensioning mechanism comprises a lock shaft and an eccentric wheel installed on the lock shaft, an axial tensioning piece is arranged between the cutter and the cutter handle, the axial tensioning piece is movably assembled in the cutter handle, one end of the axial tensioning piece is in threaded connection with the cutter, and a tensioning hole is formed in the axial tensioning piece; or a tensioning hole is formed in the short taper shank of the cutter; the axis of the tensioning hole coincides with the central axis of the cutter handle and is perpendicular to the axis of the lock shaft. The lock shaft can rotate relative to the cutter handle, penetrates into the cutter handle and is connected with the tensioning hole in an inserted mode so that the eccentric wheel can be located in the tensioning hole, the eccentric outer side of the eccentric wheel makes contact with the hole wall of the tensioning hole, and the eccentric wheel drives the cutter to move in the axial direction of the eccentric wheel under rotation of the lock shaft so as to tension the cutter. And a locking structure is arranged between the lock shaft and the knife handle. The tool can be prevented from loosening and rotating relative to the tool handle, machining precision is guaranteed, machining efficiency is improved, and machining cost is saved.

The invention relates to an inner-cooling type longitudinal-torsional ultrasonic milling cutter, belongs to the technical field of milling, and solves the technical problem that an existing cooling medium cannot be flexibly adjusted according to different machining stages and cooling requirements of parts. The cutter comprises a cutter handle assembly, a connector assembly, a transducer assembly, a cutter assembly and a cooling flow channel, the connector assembly comprises an outer sleeve and an inner sleeve, the inner sleeve can be movably arranged in the outer sleeve in a penetrating mode to form a first position and a second position to achieve adjustment of a cooling medium path, and when the inner sleeve is located at the first position, the transducer assembly is located at the second position; the cooling medium flows out of the cutter assembly to cool the cutter assembly and the cutting area; and when the inner sleeve is located at the second position, the cooling medium cools the cutter handle assembly and the transducer assembly, so that the position change of the inner sleeve enables the cooling system to have good flexibility and adaptability, and the flowing path and strength of the cooling medium can be rapidly adjusted according to different machining stages and cooling requirements of different parts.

According to the vertical and horizontal five-axis linkage internal thread grinding machine and the using method, a stand column is fixed to the rear portion of a base, a longitudinal sliding plate is fixed to the front portion of the base, a transverse sliding plate is fixed to the longitudinal sliding plate, and a lower vertical and horizontal rotation driving device is fixed to the transverse sliding plate; the vertical-horizontal rotating body is provided with a tabletop main shaft perpendicular to the vertical-horizontal rotating body A vertical sliding plate is arranged in front of the stand column, a transposition mechanism is arranged in front of the vertical sliding plate, and a first cutter handle and a second cutter handle are correspondingly arranged at the upper left corner and the lower right corner of the transposition mechanism. A dressing grinding wheel which is obliquely arranged and can swing is arranged on the left side of the vertical sliding plate, and the swinging dressing grinding wheel corresponds to the position of the first cutter handle; box bodies are fixed to the two sides of the rear portion of the stand column respectively, a high-position left tool magazine is supported on the left box body, and a low-position right tool magazine is supported on the right box body. The switching time of the vertical mode and the horizontal mode is short, and the positioning precision is high; the grinding wheel swings and obliquely feeds, so that the dressing efficiency is high; the rigidity and the damping performance of the base, the box body and the stand column are improved, and therefore the machining precision can be improved.

The invention discloses an ultrasonic soft tissue cutting hemostasis tool bit with a reusable tool bar, and relates to the technical field of minimally invasive medical instruments, the ultrasonic soft tissue cutting hemostasis tool bit comprises a sheath, a tool handle, a cutting assembly and the tool bar, the sheath comprises an outer tube and the tool handle, a mounting groove is formed in the sheath and used for placing the tool bar and a transducer, and the tool bar is in threaded connection with the transducer; a non-return shaft on the knife rod is matched with a non-return shaft bayonet in the knife sheath, the cutting assembly is used for pressing a pressing block to adjust the inner tube, the extending length of the inner tube is adjusted to meet the requirements of different operation scenes, the outer tube on one side of the knife sheath is movably connected with the knife sheath through a rotary knob, and a clamp mouth is arranged on one side of the outer tube and used for clamping soft tissue. According to the device, through the detachable cutter head assembly, the repeated use of the cutter bar is achieved, the cost of surgical consumables is reduced, the burden of a patient is relieved, and the risk of cross infection is reduced.

The invention provides a cutter handle and a machine tool. The cutter handle comprises a main shaft connector, a cutter handle body, a vibration reduction assembly and a chip removal channel. The cutter handle body is connected with the main shaft connector, a first cavity and a second cavity are formed in the cutter handle body, and the second cavity is arranged around the first cavity; the vibration reduction assemblies are arranged in the first cavity and the second cavity correspondingly so as to be used for reducing vibration generated in the cutting process. The chip removal channel is arranged in the first cavity in the axial direction of the cutter handle body, the chip removal channel is at least partially connected with the vibration reduction assembly, a cutter clamping hole is formed in the end, away from the main shaft connector, of the cutter handle body, and the chip removal channel communicates with the cutter clamping hole; the diameter and the wall thickness of the cutter handle body are gradually increased in the direction from the cutter handle body to the main shaft connector. Through the integrated design of the vibration reduction assembly and the chip removal channel, the machining stability and efficiency are remarkably improved, and then the technical problems that when a traditional machine tool cutter handle conducts high-speed cutting, vibration control is poor, and the chip removal efficiency is low are solved.