152results 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 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.

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 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 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.

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.

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.

The invention discloses a laser in-situ ultrasonic vibration multi-tool auxiliary internal thread machining device and method, and belongs to the technical field of precise non-traditional machining. Laser emitted by a laser generator is emitted through a laser output head, is collimated by a collimating lens, then passes through a central through hole of an ultrasonic transducer and then is emitted into a first blind hole in the center of a tool holder; the collimated laser is divided into a plurality of light beams through a beam splitting lens and a reflecting lens in a first blind hole in the center of a tool handle, and the light beams are emitted into second blind holes in a plurality of threading tools through a laser emitting opening, are focused through a focusing lens arranged in the internal threading tool and are emitted out through a diamond tool nose of the internal threading tool; one-time machining forming is achieved, the machining time is shortened, the machining efficiency is greatly improved, the quality of the machined surface is improved, the machining precision is guaranteed, the laser pointing precision and stability are guaranteed, and tool abrasion is reduced.

A workpiece processing method includes: a step of preparing a workpiece having a plate portion including a base material and a first coating layer that covers at least a portion of the base material, and a step of burring the plate portion. The step of burring the plate portion includes forming a through hole and a flange in a first region of the plate portion by moving a burring tool in a rotating state in a first direction, the first direction being defined as a direction from the base material toward the first coating layer. A step of removing the first coating layer from the first region of the plate portion is carried out prior to the step of burring the plate portion.

To provide a technology that safely and reliably removes chips and other residues from machine tools while suppressing a decrease in work efficiency. [Solution] The fluid ejection tool 50 is attached to the spindle 3 of a machining center 1A capable of ejecting fluids such as coolant liquid in a center-through manner. The fluid ejection tool is provided on the tip end 54 side and has a lateral through-hole 63 that penetrates to the outside from the inner circumferential surface 60b of the internal flow path 60 and ejects the fluid that has passed through the internal flow path to the outside. The tip end is provided with a tip through-hole 61 that penetrates to the outside along the tool axis. The lateral through-hole is inclined so that the outer opening 63d is closer to the base than the inner opening 63c. The lateral through-hole is provided at a position that is a first distance from the tip and at a position that is a second distance, and both the first distance and the second distance are less than or equal to 1 / 4 of the length of the part of the tool that protrudes from the tool holder along the tool axis direction.

A coolant delivery head for whirling material stock. The coolant delivery head comprising a one-piece plate like structure sized to fit between the guide bushing and whirling unit of a CNC Swiss turning machine. The coolant delivery head comprises an intake port to receive high pressure coolant through a coolant supply line. Coolant channels internal to the delivery head body, channel the coolant to a first and second delivery port and a blow port. The delivery ports are angled to deliver coolant directly at cutter inserts in the whirling unit during operation. The blow port blows coolant towards the tailstock of the machine. The coolant delivery head comprises one or more fastener holes for receiving fasteners to secure the coolant delivery head to a whirling unit. Precise delivery of the coolant results in higher quality machined products and less tool wear.

The invention relates to the technical field of rod piece production and machining, and provides a thread machining device for rod piece production, the thread machining device comprises a base, the top of the base is fixedly connected with a positioning mechanism, the positioning mechanism comprises a positioning support fixedly installed at the top of the base, and one side of the positioning support is fixedly connected with a positioning sleeve; a movable groove is formed in the positioning support, and the inner wall of the positioning support is movably connected with a worm. A worm is rotated by rotating a rotary knob, a worm gear can be rotated, so that a transmission chuck fixedly connected with one end of a rotating rod is driven to rotate along a positioning support, movable rods move towards the center of the transmission chuck along arc-shaped sliding grooves, and the three movable rods can move towards the center along movable grooves formed in the positioning support; and the three first positioning clamping blocks are moved, so that the effect of conveniently carrying out self-centering clamping and positioning on rod pieces of different models and sizes is achieved, and the rod pieces are prevented from deviating during thread machining.

The invention belongs to the technical field of blind hole tapping screw taps in numerical control machine tools, and discloses a multi-head screw tap which is applied to the numerical control machine tools to conduct tapping operation on blind holes of workpieces, the multi-head screw tap comprises a tapping part and a cooling part, the tapping part is provided with multi-head external threads, the multi-head external threads are used for machining and forming corresponding multi-head internal threads of the blind holes, and the cooling part is used for cooling the multi-head external threads. The cooling part is provided with a plurality of multi-head external threads, the multi-head external threads are provided with a plurality of spiral chip guide grooves, the spiral direction of the chip guide grooves is the same as that of the multi-head external threads, and the lead angle of the chip guide grooves is larger than that of the multi-head external threads. A guide hole is formed in the center of the radial first conical surface, and a guide rod is arranged in the guide hole in a sliding mode. The device has the beneficial effects that the contact area of the two conical surfaces is adjusted by adjusting the sliding of the guide rod, the flow of cooling liquid in the center hole can be adjusted and controlled, and the supply quantity of cooling and lubricating can be adjusted according to the chip generation quantity and tool temperature parameters in the blind hole tapping process.

The thread machining cutter handle comprises a Morse taper shank cutter bar, one end of the Morse taper shank cutter bar is connected with the lathe tailstock, the other end of the Morse taper shank cutter bar is provided with an inner round hole coaxial with a Morse taper shank, the inner round hole is used for installing a fixing sleeve, one end of the fixing sleeve is a screw tap end, and the other end of the fixing sleeve is a threading die end. The utility model relates to the technical field of thread machining, the novel thread machining cutter handle is used in cooperation with a lathe tailstock, potential safety hazards caused by rotation of parts when a screw tap or a threading die is manually operated are avoided, and the novel thread machining cutter handle is simple in structure, convenient to use and high in machining efficiency. An operator is separated from a rotating part, so that the personal safety of the operator is guaranteed; the cutter handle is a dual-purpose tool capable of machining external threads and internal threads, machining of various threads can be achieved, one set of tool meets various requirements, and the universality and practicability of the tool are improved.

The utility model relates to the technical field of petroleum pipe thread machining, and discloses a combined petroleum pipe thread tool which comprises a finish turning tool and a rough turning tool. The finish turning tool and the rough turning tool are both butterfly-shaped structure main bodies; mounting holes are formed in the middles of the cutter bodies; at most two cutting edges are arranged in the circumferential direction of the cutter body; each cutting edge is provided with at most four cutting teeth; compared with corresponding parameter sizes of a finish turning tool, a finish turning tooth arc in cutting teeth of the rough turning tool is increased by a first proportion, a rough turning tooth arc is increased by a second proportion, tooth height of a tooth profile is reduced by a third proportion, a rake face angle is reduced by a fourth proportion, and a cutting edge passivation arc is increased; and the rough turning tool adopts a coating different from the finish turning tool in type. According to the combined tool, the rough turning tool is mainly used for removing most of allowance and bearing more impact, the finish turning tool is used for finish trimming to guarantee the tool precision and the machining quality, rough turning is stable, finish turning is durable, the stability of the machining process is improved, and the relative machining efficiency and the service life of the tool are guaranteed.

Provided is a thread mill that can reduce tilting of an internal thread to be machined, thus increasing the tool life. A thread mill includes a plurality of thread cutting edges that are circumferentially spaced apart on a front end side of an outer circumference of a tool body, and a plurality of end cutting edges formed at the front end of the tool body. A functional cutting edge portion that cuts a workpiece, and a non-functional cutting edge portion that is relieved toward an axial shank end relative to a trajectory of the functional cutting edge portion when the tool body is caused to make one rotation about an axis are formed on the plurality of end cutting edges.

The compound tool for machining the threaded hole comprises a drill tip, a tool body front section, a tool body middle section, a tool body rear section and a tool body handle, at least two spiral cutting edges used for drilling holes are evenly distributed in the circumferential direction of the tool body front section, and two spiral chip grooves are distributed between the two spiral cutting edges. The spiral chip groove spirally extends to the cutter body middle section, the cutter body rear section is connected to the cutter body handle, the spiral cutting edge spirally extends to the cutter body middle section, the spiral cutting edge located in the cutter body middle section is provided with a spiral reaming edge used for reaming, and the cutter body rear section is provided with a threaded edge used for tapping. According to the composite tool for machining the threaded hole, machining of the threaded hole can be achieved only through one tool, and the problem that the machining precision of the threaded hole is reduced due to positioning errors caused by tool changing of multiple tools is solved. And meanwhile, the machining time can also be shortened, and the machining efficiency of the threaded hole is improved.

A method and a device for producing an internal screw thread (20) in a container (30) having a dispensing opening (31) are provided. The method comprises the steps of: - providing the container (30) such that the dispensing opening (31) is directed downward, - providing a thread cutter (40) adjacent to the dispensing opening (31), - cutting an internal screw thread (20) in the container.

This utility model relates to the field of tap technology and discloses a tap with easy heat dissipation and high sharpness. It includes a mounting base, a mounting sleeve fixedly connected to the surface of the mounting base, and mounting slots on both sides of the mounting sleeve. A silicone anti-slip pad is fixedly connected to the inner wall of each mounting slot, and a limit button is engaged with the inner wall of the silicone anti-slip pad. This tap with easy heat dissipation and high sharpness, through the coordinated arrangement of the mounting base, mounting sleeve, mounting slots, silicone anti-slip pads, limit button, return spring, handle, and limit slot, allows the user to press the limit button to compress the return spring, causing the handle to engage and disengage from the mounting slot on the surface of the mounting sleeve. This eliminates the need for bolts, increasing assembly and disassembly efficiency and facilitating quick installation and disassembly as needed. It also exhibits strong stability.

The utility model is applicable to the field of machining cutters, and provides a variable-diameter threaded cutter which comprises a mounting rod, one end of the mounting rod is fixedly connected with a cutter bar used for mounting a blade, a blade groove is arranged on the cutter bar, the blade is mounted in the blade groove through a bolt, a limiting hole is arranged on the cutter bar, and a limiting groove is arranged on the inner side wall of the limiting hole. A pressing head is installed in the limiting hole, a clamping end matched with the limiting groove is arranged on the pressing head, and an abutting end corresponding to the blade in position is installed at the clamping end. And the pressure head is mounted on the cutter bar through a stud. Therefore, the pressing head can provide stable reverse jacking force when the tool is installed, and the tool is effectively prevented from being loosened due to the fact that the tool is subjected to workpiece shaking and the counter-acting force of cutting force in the machining process; the clamping end is matched with the limiting groove, so that the abutting point of the pressing head and the blade can be quickly positioned, the operation time is greatly shortened, and the labor intensity is greatly reduced.

A thread cutting tool (1) is provided with a tool body (2) that rotates about an axis and a cutting blade section (3). The cutting edge part (3) is provided with a plurality of thread cutting edges (6) protruding radially outward on the outer surface of the tool body (2). The plurality of thread cutting edges (6) are arranged side by side in the circumferential direction of the tool body (2), and the positions of the thread cutting edges (6) in the axial direction coincide with each other. When the tooth crest width of the thread cutting edge (6) is defined as W and the tooth crest height of the thread cutting edge (6) is defined as H, the relationship of 3% < = W / H < = 10% is satisfied, and when the rake angle of the thread cutting edge (6) is defined as theta, the relationship of-20 DEG < = theta < =-5 DEG is satisfied.

The utility model discloses a bottom hole tapping and chamfering integrated cutter in mobile phone middle frame CNC machining, which belongs to the technical field of cutters, and comprises a cutter bar, one end of the cutter bar is fixedly connected with a cutter, the cutter is composed of a first cutting edge, a second cutting edge, a third cutting edge and two connecting rods, the first cutting edge is fixedly connected to one end of the cutter bar, and the second cutting edge is fixedly connected to the other end of the cutter bar. The second cutting edge is fixedly connected with the first cutting edge through one connecting rod, the third cutting edge is fixedly connected with the second cutting edge through the other connecting rod, the cutter is conveniently installed and fixed through the cutter bar, and the first cutting edge, the second cutting edge and the third cutting edge in the cutter are connected through the two connecting rods. According to the CNC machining device, integration of bottom hole opening, tapping and chamfering in CNC machining of the middle frame of the mobile phone is achieved, the tool changing procedures of workers are reduced, machining errors are reduced, and meanwhile the machining cost is reduced.