397results about "Thread cutting tools" patented technology

A stop for use with an electric drill bit, the stop having at least one threaded sleeve for positioning the stop relative to a surface into which the drill bit will extend. The stop may have both an inner and an outer sleeve. The sleeves are mounted coaxially, one inside the other about the drill bit. One of the sleeves, preferably the inner sleeve, provides coarse adjustment of the position of the shoulder relative to the tip of the bit, while the other, preferably the outer sleeve, provides fine adjustment of the position of the shoulder relative to the top of the bit.

The invention discloses an efficient internal thread machining device for anchor rod connector production, and relates to the technical field of anchor rod connectors, the efficient internal thread machining device comprises a base, a cutter feeding assembly is arranged on the base, the cutter feeding assembly is used for driving movable supporting plates on the two sides to move face to face or away from each other, and a loading assembly is arranged in the middle of the base and used for loading and positioning a connector body. A fourth driving motor drives a driving shaft to drive a third gear to rotate, a screw tap tool bit is driven to rotate towards a connector body and feed, meanwhile, machining of internal threads at the two ends of the connector body is completed, and the disassembling, assembling and overturning procedures are omitted; and the hollow disc drives the tool changing sleeve to rotate around the tool rest disc through the branch pipe and the hollow sleeve so as to switch the screw tap tool bits, so that after each connector main body is machined, one-time switching is carried out in sequence, it can be guaranteed that each screw tap tool bit has enough time to be cooled and recovered, the machining waiting time of the screw tap tool bits is shortened, and the machining efficiency of the screw tap tool bits is improved. The processing efficiency is improved.

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 relates to the technical field of ball nut machining equipment, and discloses a ball nut thread milling device which comprises a machine tool, a mechanical arm is arranged on the outer wall of the machine tool, a fixing frame is arranged on the outer wall of the mechanical arm, a fixing pipe is fixedly connected to the interior of the fixing frame, and a cutter head is fixedly connected to the outer wall of the fixing pipe. A motor is fixedly connected to the upper surface of the fixing frame, a transmission mechanism is arranged at the output end of the motor, a sleeve is connected to the transmission mechanism, the inner wall of the sleeve is rotationally connected to the outer wall of the fixing pipe, and the outer wall of the sleeve is rotationally connected to the interior of the fixing frame. Power output by the motor is transmitted to the sleeve through the transmission mechanism, the sleeve drives the second driving gear to rotate, the driven shaft is controlled by the electromagnetic clutch to be connected with the milling cutter or the grinding wheel, a machining cutter can be rapidly replaced, the working efficiency of ball nut thread milling and grinding is remarkably improved, and the time cost of manual intervention and cutter replacement is reduced.

The invention discloses a machining method for reversely scraping a threaded hole and a combined reverse scraping cutter, rough machining, finish machining, boss forming and thread scraping of a bottom hole are completed step by step through four special cutters, and the problems that in the prior art, cutters are scarce, the machining precision is low, and the space is limited are solved. The method is particularly suitable for a narrow inner cavity environment, and efficient and high-precision forming of the M16 * 0.5-LH threads can be achieved.

The present invention relates to a thread cutting tap (1), comprising a front end (2), a rear end (3), a longitudinal axis (L) extending from the front end (2) to the rear end (3), a thread cutting portion (4) extending rearward along the longitudinal axis (L) from the front end (2), a shank (5) extending forward along the longitudinal axis (L) from the rear end (3), and a neck portion (6) located between the thread cutting portion (4) and the shank (5). The neck portion (6) comprises a plurality of lands (7) separated from each other by a corresponding number of flutes (8). At least a part of at least one of the lands (7) in the neck portion (6) has a textured surface comprising a plurality of protrusions (9), each protrusion extending radially outwards from a neck bottom (10) to a protrusion peak (11) of the protrusion. The invention also relates to a method for manufacturing such thread cutting tap, wherein the textured surface is applied by a knurling process.

The utility model discloses a threading tool with a tool bit convenient to replace. The threaded cutter comprises a cutter handle and a threaded blade installed on the cutter handle. The cutter handle comprises a connecting shell fixed to the outside and a fixing piece installed at one end of the connecting shell. The threaded blade comprises a drill bit body and a drilling section arranged on the drill bit body, and a connecting assembly used for pushing the threaded blade is arranged on the cutter handle. The connecting assembly comprises a pushing assembly installed on the connecting shell, the pushing assembly can be used for moving the drill bit body, the connecting assembly further comprises a driving assembly installed on the connecting shell, and the driving assembly can drive the pushing assembly to move; the end, away from the connecting shell, of the fixing piece and the end, away from the drilling section, of the drill bit body are provided with clamping assemblies. The utility model has the advantages that the threaded blade can be quickly replaced, the overall service life is long, and the processing cost is reduced.

The utility model belongs to the field of special buckle processing devices, and particularly relates to a threading machine cutter group structure for special buckle processing, which comprises a support frame, a third cutter group unit, a second cutter group unit and a first cutter group unit, the third cutter group unit comprises a rotary cutter tower, a hollow third cutter bar, a third cutter head, a third cutter group and a third driving mechanism, the third cutter set comprises a sealing cutter and a screwer, the second cutter set unit comprises a hollow second cutter bar, a second cutter head, a waste scraping cutter and a second driving mechanism, and the first cutter set unit comprises a hollow first cutter bar, a first cutter head, an inner circular cutter and a first driving mechanism. According to the cutter group structure of the threading machine, the distribution of the cutters and the direction of the cutter point are changed, so that the rest amount is controllable, the first-pass yield can be improved by 5%, the production efficiency can be improved by 15%, the production variety is expanded, and the single TPCQ is expanded to special buckle types such as TPNF, TPG2, TPG4 and TPQR.

The invention relates to a small hole internal thread grinding head which comprises a base, a sleeve, a straight grinding rod and a grinding head body, the base is installed at the rear end of the sleeve, a bent section is formed at the front end of the sleeve, the straight grinding rod is rotatably installed in the straight section of the sleeve through a bearing unit, one end of the straight grinding rod extends to the base, and the other end of the straight grinding rod extends to the bent section of the sleeve. One end of the straight grinding rod is connected with the bent section, the other end of the straight grinding rod extends to the bent section to form a straight grinding rod bevel gear, and the grinding head is mounted on the bent section and is in transmission connection with the straight grinding rod. The grinding head has the advantages that the speed of the grinding head can be increased due to the adoption of integrated sleeve machining, heat dissipation can be increased in the grinding process due to the fact that the oil injection port is additionally formed in the outer portion of the sleeve, and the requirement for the higher grinding speed can be met.

The present invention relates to the technical field of stamping equipment, and in particular to an integrated tapping die for a workpiece stamping die. The present invention comprises a frame, a conveying track is provided in the frame, and a first switching mechanism, the first switching mechanism comprises a swinging rod, a swinging rod is symmetrically hinged in the frame, a first torsion spring is provided between the swinging rod and the frame, a movable rod is symmetrically slidably connected in the frame, a guide groove is provided at the top of the movable rod, a convex shaft is fixed to the bottom of the swinging rod, one end of the convex shaft is stuck in the guide groove and slides therein, a vertical rod is fixed to the top of the movable rod, and a special-shaped rack is provided in the frame. The present invention can quickly judge the size of the plate through the design of the first switching mechanism. When switching from a small-sized plate to a large-sized plate, the large-sized plate squeezes the outer walls of the two swinging rods, which can move the special-shaped rack forward, thereby changing the position of the first tap and the second tap, without the need to replace the mold, and effectively improving production efficiency.

The utility model relates to the technical field of composite cutter bars, in particular to a composite cutter bar for thread machining, which comprises a cutter handle bar, a cutter head is mounted at the front end of the cutter handle bar, an inserting groove is arranged on the front end face of the cutter handle bar, an inserting block is arranged at the rear end of the cutter head, grooves are arranged on the left side and the right side of the inserting block, and springs are arranged in the grooves. A fixing clamping block is arranged at the outer end of the spring, through grooves are formed in the front portions of the left side and the right side of the cutter handle rod, pressing blocks are arranged in the through grooves, and ejector rods are arranged on the inner sides of the pressing blocks. According to the composite cutter bar for thread machining, the cutter handle rod and the cutter head can be fixed through the groove, the spring, the fixing clamping block and the through groove, the fixing clamping block can be conveniently pressed into the groove through the pressing block, the ejector rod, the limiting sliding block and the limiting sliding groove, and therefore the cutter handle rod and the cutter head can be conveniently detached, and in conclusion, the cutter head of the composite cutter bar for thread machining can be conveniently replaced.

A cutting tap is provided which suppresses breakage and wear of a blade during tapping and has high durability. In a nitriding treatment step (P2), a nitrogen diffusion layer in which nitrogen atoms contained in an atmosphere gas diffuse from the surface of a tool base material of the cutting tap under heating is formed, and then, in a honing treatment step (P3), an abrasive particle is made to collide with a cutting blade portion of the tool base material of the cutting tap to round the cutting blade portion and remove a blade tip. The cutting blade portion is made to have a thick nitrogen diffusion layer in advance by diffusion from a rear clearance face and diffusion from a front rake face, and the nitrogen concentration and hardness of the blade tip of the cutting blade portion are relatively high and mechanically brittle. Therefore, by removing the mechanically brittle blade tip, wear and breakage of the cutting blade portion of the cutting tap are reduced, and a tool performance capable of maintaining good cutting performance for a long period of time can be obtained.

The invention relates to equipment for producing automobile parts, which comprises a conveying mechanism for conveying part bodies, a tapping station is arranged on a conveying path of the conveying mechanism, a tapping mechanism and a swing mechanism are arranged on the side of the conveying mechanism at the tapping station, and the swing mechanism is arranged on the side of the conveying mechanism. The tapping mechanism is used for driving the tapping tool to conduct tapping treatment on the part body, and the rotating mechanism is used for enabling the tapping tool to penetrate through the part body and reassembling the tapping tool penetrating through the part body to the tapping mechanism to conduct tapping treatment on the next part body. According to the scheme provided by the invention, tapping treatment can be reliably carried out on the part body, the production efficiency is improved, and the cost is reduced.

The present invention provides a workpiece processing method comprising: a step for preparing a workpiece having a plate portion including a base material and a first coating layer covering at least a portion of the base material; and a step for performing edge punching on the plate portion. When a direction from the base material toward the first cladding layer is defined as a first direction, the step of performing edge punching on the plate portion includes forming a through hole and a flange in a first region of the plate portion by moving an edge punching tool in a rotating state in the first direction. The step of removing the first cladding layer from the first region of the plate portion is performed before the step of performing the edge punching processing on the plate portion.

The invention relates to the technical field of tapping machines, and discloses a double-servo-motor tapping machine which comprises a tapping table and further comprises a clamping mechanism, and the clamping mechanism is arranged on the tapping table and used for keeping a workpiece to be machined stable in the tapping process. When a workpiece is clamped and fixed through a clamping mechanism, a first motor is started to drive a first threaded rod to rotate, a driving cylinder slides along a rod-shaped structure of a supporting base, the conical inner wall of the driving cylinder extrudes the spherical end of the driving rod, a sliding block is pushed to drive a clamping plate to be gathered along a first sliding groove till a protection pad is attached to the workpiece, and the protection pad is clamped and fixed through cooperation of the sliding block and the V-shaped clamping plate; tapping vibration deviation is prevented through multidirectional clamping force, and hard contact is prevented from damaging a workpiece through a protection pad. And after the motor rotates reversely, the spring drives the component to reset to loosen the workpiece, and workpieces of different specifications can be adapted without replacing the component, so that the applicability of equipment is improved to a great extent, meanwhile, the clamping stability is guaranteed, and a foundation is laid for high-precision tapping.

The utility model belongs to the technical field of machining cutters, particularly relates to a high-cutting-force ultra-fine particle tungsten steel forming cutter, and aims to solve the problems that an existing device is of an integral structure, when a cutting edge of a cutter core is abraded or damaged in the using process, the whole cutter needs to be replaced, great waste is caused, and machining cost is increased. According to the scheme, the tool comprises a tool bar, a tool bit is arranged at one end of the tool bar, and a cutting edge is spirally installed on the surface of the tool bit in a surrounding mode; the tool has the advantages that the tool is of a detachable structure, when the cutting edge of the tool bit is abraded or damaged, only the tool bit needs to be replaced, the whole tool does not need to be replaced, machining cost is reduced, tool bit replacement operation is simple, the tool bit and the tool bar can be easily separated by unscrewing the limiting bolt and rotating and moving the rotating sleeve, the tool bit can be conveniently and rapidly replaced, and machining efficiency is improved. The downtime is reduced, the production efficiency is improved, cutting contact points are increased due to the fact that the cutting edges on the tool bit are distributed in a tooth shape, and the cutting efficiency is improved.

The utility model relates to the technical field of milling cutter installation, in particular to a petroleum valve thread milling cutter and installation equipment. The fixing assembly comprises a connecting base, a clamping block, a block body, a sliding rod, a first spring, a lower cylinder, an upper cylinder and a limiting component, the connecting base is fixedly installed on one side of the positioning base, the clamping block is slidably installed on the side, away from the connecting base, of the positioning base, the block body is slidably connected with the positioning base and fixedly connected with the clamping block, and the sliding rod is fixedly connected with the positioning base and slidably connected with the block body; one end of the first spring is connected with the block body, the other end of the first spring is connected with the positioning seat, the limiting component is arranged on the positioning seat, the lower cylinder is slidably connected with the positioning seat and connected with the limiting component, the upper cylinder is in threaded connection with the connecting seat and located on the side, close to the lower cylinder, of the connecting seat, and therefore the milling cutter can be conveniently installed through the equipment.

The utility model relates to the technical field of machining, and discloses an oxygen sensor thread repairing tool which comprises a handle portion and a main body structure arranged below the handle portion in an extending mode, the main body structure comprises a cutting structure connected below the handle portion, a plurality of chip grooves are formed in the cutting structure, and a guiding structure is arranged below the cutting structure in an extending mode. The bottommost circle of the cutting structure is a relief cutting edge; the number of the chip grooves is six, and the size of the handle part is M13. Through cooperation of the cutting structure, the chip groove and the guide structure, threads can be tapped again to be matched with the threads of the oxygen sensor, the machining efficiency and the machining quality are improved, a transitional tapping stage can be achieved when the oxygen sensor thread repairing tool is used for repairing the threads through the additional arrangement of the relief cutting edge, and the machining efficiency is improved. The machining precision and stability of the oxygen sensor thread repairing tool are improved, and the production cost and energy consumption are reduced.

The present application relates to the technical field of thread processing, and discloses a composite thread processing cutter and a processing method, aiming at solving the problem that the existing composite thread processing cutter cannot meet the precision requirement of thread holes in one-time processing. The present application comprises a cutter handle, a thread processing blade and a thread bottom hole processing blade which are connected in sequence and coaxially arranged. When the cutter is fed forward, the thread processing blade and the thread bottom hole processing blade complete the processing of thread bottom holes and threads. In order to complete the processing of threads and the correction of thread tooth forms in one time and improve the precision of threads, a thread bottom hole correction blade is arranged in the same axial length section part of the thread bottom hole processing blade, and the cutting direction of the thread bottom hole correction blade is opposite to that of the thread bottom hole processing blade. A thread correction blade is arranged in the same axial length section part of the thread processing blade, and the cutting direction of the thread correction blade is opposite to that of the thread processing blade. When the cutter is fed backward, the thread bottom hole correction blade and the thread correction blade complete the correction of thread bottom holes and thread tooth forms.

The application discloses a female thread turning chip removal mechanism and a chip removal method, belongs to the field of machining manufacturing, and relates to female thread turning machining of carbon structural steel and alloy structural steel. The chip removal mechanism comprises a chip guide device and a cleaning device, a chip guide body is arranged on a tool shank of a turning tool, a chip cavity for guiding and extruding iron chips is formed in the chip guide body, and the opening of the chip cavity is aligned with the front surface of a blade. In the process of turning the female thread of a part, the generated iron chips enter the chip cavity of the chip guide body, the chip cavity guides and extrudes the iron chips, and at the same time, the cleaning device matched with the chip guide device sprays gas or liquid to the moving track of the iron chips, and the extruded iron chips are blown out of the inner contour of the part. The chip removal mechanism has the advantages of simple principle and structure, guaranteed machining quality of the part, increased service life of the tool, improved machining efficiency, and good popularization and application value.

A point tap (10) is provided with a threaded part (14) and a groove (20). The threaded part (14) is provided with a chamfer part (16) and a full thread part (18). The groove (20) is provided with a primary groove (21) and a secondary groove (22). The primary groove (21) is provided in the full thread part (18). The secondary groove (22) is provided in the chamfer part (16). The secondary groove (22) is twisted in a direction opposite to the rotation direction of the threaded part (14). The primary groove (21) is twisted in the same direction as the rotation direction of the point tap (10). The threaded part (14) is provided with a back taper and an eccentric relief. The effective diameter of the threaded part (14) decreases toward a shank part (12) side.

The utility model relates to a small hole internal thread grinding head which comprises a base, a sleeve, a straight grinding rod and a grinding head body, the base is installed at the rear end of the sleeve, a bent section is formed at the front end of the sleeve, the straight grinding rod is rotatably installed in the straight section of the sleeve through a bearing unit, one end of the straight grinding rod extends to the base, and the other end of the straight grinding rod extends to the bent section of the sleeve. One end of the straight grinding rod is connected with the bent section, the other end of the straight grinding rod extends to the bent section to form a straight grinding rod bevel gear, and the grinding head is mounted on the bent section and is in transmission connection with the straight grinding rod. The utility model has the advantages that the speed of the grinding head can be improved by adopting the integrated sleeve for processing, and the oil injection port is additionally arranged outside the sleeve, so that the heat dissipation can be increased in the grinding process, and the higher grinding speed can be met.

The utility model relates to the technical field of screw tap equipment, and discloses a screw tap with an automatic lubricating system, which comprises a main body mechanism, a connecting mechanism and an auxiliary mechanism, the main body mechanism further comprises a connecting pipe, a central control part and a tapping part, and the connecting pipe is fixedly arranged at the outer end of a detection module and is communicated with a cavity of a screw tap handle part; the center control part is fixedly installed at the end, away from the detection module, of the connecting pipe, and the tapping part is fixedly arranged on the outer surface of the screw tap body and used for drilling and laying threads. The screw tap body is fixedly connected with the machine tool transmission assembly in a clamped mode through the screw tap handle part, the detection module correspondingly compares the rotating speed of the screw tap body with the tapping pressure value, when lubrication is insufficient, the center control part extracts lubricating liquid to enter the screw tap handle part through the connecting pipe, the lubricating liquid evenly fills the tapping part under the action of centrifugal force and gravity, and the tapping effect is improved. Therefore, friction is reduced, abrasion is reduced, machining precision is improved, and the service life of the screw tap is prolonged.

A tap parameter optimization method relates to the technical field of tap processing. The method solves the problem of unreasonable design of key parameters in traditional tap design. The method comprises the following steps: S1: determining the value range of the geometric parameters of the model of the tap to be optimized, and performing data processing on the geometric parameters; S2: obtaining a fitting equation of the geometric parameters after data processing in the tap model and corresponding generated performance parameters through orthogonal test; S3: performing weight distribution on the performance parameters generated by the geometric parameters after data processing; and S4: optimizing the geometric parameters after data processing and the performance parameters after weight distribution through a multi-island genetic algorithm. The tap parameter optimization method, device, medium, product and apparatus based on the multi-island genetic algorithm optimize the geometric parameters of the tap, and improve the performance of the tap in the actual processing process.

The utility model belongs to the technical field of diamond grinding wheels, and particularly relates to a diamond grinding wheel for grinding a lead screw. The grinding wheel comprises a base body and a grinding layer. Wherein the grinding layer comprises grinding teeth, a first grinding groove and a second grinding groove; the first grinding groove and the second grinding groove are symmetrically formed in the two sides of the grinding teeth and are in smooth connection with the grinding teeth. According to the diamond grinding wheel for grinding the lead screw, the thread groove grinding part and the thread body grinding part are arranged on the grinding wheel at the same time, continuous thread grooves and thread body segments on the lead screw can be ground, and the grinding wheel is matched with translation of the grinding wheel and rotation of the lead screw and the grinding wheel; and grinding machining of all parts on the spiral groove of the lead screw can be completed at the same time.

The utility model discloses a threading tool with a telescopic tool bar, and relates to the technical field of threading tools. The tool comprises a tool handle, a sliding sleeve is slidably connected to the surface of the tool handle, a threaded tool bit is fixedly connected to the top of the sliding sleeve, a first containing groove is formed in the tool handle, a vertical plate is fixedly connected to the interior of the first containing groove, and limiting rods are fixedly connected to the two sides of the vertical plate. Through the sliding connection of the sliding sleeve and the cutter handle and the combination of the locking mechanism driven by the internal spring, the length of the threaded cutter can be rapidly adjusted, a user only needs to push the pushing button downwards, the sliding sleeve can be released through the cooperation of the inclined block and the fixing plate, and after the threaded cutter freely slides to the required length, the pushing button is pushed upwards, and the threaded cutter can be rapidly adjusted. Therefore, the sliding sleeve is limited again through the inclined block and the fixing plate, the cutter can meet the machining requirements of threads with different depths, the cutter does not need to be replaced frequently, the production cost is remarkably reduced, and meanwhile the machining efficiency is improved.

The invention discloses an automatic fixed-axis manual multi-purpose tapping workpiece, and belongs to the technical field of tapping workpieces, the automatic fixed-axis manual multi-purpose tapping workpiece comprises a mounting seat, the mounting seat comprises a fixed sleeve, a centering spiral disc is rotatably connected in the fixed sleeve, and the outer circle of the centering spiral disc is in clearance fit with the inner ring of the fixed sleeve; the bottom of the centering spiral disc is fixedly connected with a connecting cylinder in an interference fit mode. By arranging the mounting base and the centering sleeve, a screw tap or a threading die penetrates through the connecting sliding cylinder, an operator screws the locking sleeve, the arc faces of the three pressing plates make contact with and press the screw tap or the threading die, it is further guaranteed that the mounting base, the centering sleeve and the screw tap or the threading die are coaxially arranged, and the coaxiality of machined threads and machined holes or shafts is guaranteed; according to the manual tapping device, the situation that tapping is inclined, the screw tap is broken and the threading die is broken is avoided, manual tapping precision is guaranteed, the requirement for skills is lowered, screw taps with different thread diameters and threading dies with different diameter series can be installed, and applicability is high.

To prevent a deformation such as the deflection or tilt of a tap tool from deflecting when the cutting edge of the chamfer of a tap tool tip cuts into a workpiece.SOLUTION: A tap tool 10 has a shank part 12 having a center axis Om and a cutter body 14 coupled with one end of the shank part, where the cutter body has a screw part 16 engaged with a prepared hole H formed in a workpiece W, and a non-engagement part 18 not engaged with the prepared hole, and where the screw part comprises a complete thread part 22 on the base end side and an incomplete thread part 20 formed continuously to the tip side of the complete thread part. The incomplete thread part comprises a cutting edge 16a which works the prepared hole and a guide pad part 16b located rearward in the rotation direction of the cutting edge, where the outer peripheral surface of the guide pad part is formed from a cylindrical surface having a cutting edge radius related with the center axis.SELECTED DRAWING: Figure 5

The utility model relates to the technical field of machining tools, in particular to a thread milling cutter free of bottom hole drilling, which comprises a cutter handle, a cutter body, a storage box and a cooling component, the cutter body is provided with two chip grooves, two groups of milling teeth and a drill tip, the cutter body is fixedly connected with the cutter handle, and the two chip grooves are circumferentially distributed along the axial center line of the cutter body. The two groups of milling teeth are distributed along the circumference of the axial center line of the cutter body in a staggered tooth shape, the milling teeth are fixedly connected with the cutter body and located on the outer surface of the cutter body, the drill tip is fixedly connected with the cutter body and located at one end of the cutter body, the length of the drill tip is 3 mm, the storage box is fixedly connected with the cutter handle, and the cooling component is fixedly connected with the cutter handle and the cutter body. By means of the structural arrangement, the problems that when a workpiece is machined every time, the workpiece needs to be pre-punched through an external object, the workpiece can be machined, and the machining efficiency is affected are solved.