743results about "Thread cutting machines" 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 relates to a method and system for monitoring abnormity of a screw tap in the internal thread machining process, a computer readable storage medium and a product, and belongs to the technical field of automatic control. Generating a main shaft load curve of the to-be-tested screw tap about the corresponding relation between the tapping feeding residual displacement and the main shaft load value; when a main shaft load value in the curve reaches a preset screw tap service life and reaches a damage threshold value of a critical state, determining that the screw tap to be detected is a screw tap with a critical service life; and when the load value of the main shaft in the curve reaches a preset cutter breaking threshold value of a screw tap breaking critical state, or the load value of the main shaft in the curve instantaneously reaches a load value of idling of the main shaft, the screw tap to be detected is determined to be a broken screw tap, the guarantee capability of numerical control turning machining of internal threads of high-strength material products is improved, and the implementation difficulty and cost of an automatic production line are reduced.

The invention relates to the technical field of thread cutting machining, in particular to steel pipe outer surface thread machining equipment for mountain anchor rods. The driving assembly comprises a chuck used for clamping the mountain anchor rod, and the chuck is driven to rotate and move above the base; the cutting assembly comprises a fixed seat fixedly installed above the base, a conical machining groove is formed in the fixed seat, a core penetrating head is arranged in the conical machining groove, a heat absorption semiconductor is arranged in the core penetrating head, and a clamping head is arranged in the conical machining groove and above the core penetrating head. Through linkage of the magnet adsorption head and the piston plate, when the machining length of the anchor rod is increased, magnetic adsorption force automatically pulls the piston plate to slide in the sliding tank in an airtight mode, so that the magnet adsorption head is tightly attached to the outer wall of the anchor rod, continuous and stable radial supporting force is provided, and radial shaking in the machining process of a long rod piece is effectively restrained; and the uniformity and the depth consistency of the thread groove are ensured.

The invention relates to the field of valve core cap thread machining, and discloses valve core cap thread machining equipment which comprises a workbench, a blocking frame and a machining base, the blocking frame is arranged on the left side of the upper face of the workbench, the machining base is arranged on the portion, located in the blocking frame, of the upper face of the workbench, and an automatic pushing structure is arranged on the machining base. A U-shaped plate is fastened on the machining seat through a bolt, a rotary transposition structure is arranged on the U-shaped plate, and a thread machining structure is arranged on the workbench and close to the machining seat; the cleaning sleeve of the chipping cleaning structure is inserted into the processed core cap, the cleaning rod is used for driving the bristles to rotate, chippings can be cleaned in the core cap, the air outlet cover, the air outlet hole and the air outlet pump are matched, the air outlet hole is obliquely formed, and therefore the chippings cleaned by the bristles can be blown out of the core cap in time, and the chippings are prevented from being damaged. In this way, residual chippings in the machined core cap can be cleared away more conveniently in a labor-saving mode, and the machining work efficiency is improved.

The invention relates to the technical field of high-precision grinding machining of screw elements of large extrusion granulation units, in particular to a rapid alignment and positioning device for an involute spline screw element. The problem of relative position deviation of the machined internal spline and the outer contour milling shape caused by a fit clearance in the original machining process is solved, the high-precision machining effect is achieved, the machining precision of the screw element is ensured, and the clamping and positioning errors in the screw element assembling process are reduced.

The utility model relates to the technical field of flange nut machining, in particular to a machining device for hexagonal flange nut assembly production, which comprises a base, a U-shaped frame fixedly mounted at the upper end of the base, cross-shaped grooves formed in the side walls of the two sides of the U-shaped frame, and a hydraulic oil cylinder fixedly mounted at the upper end of the U-shaped frame. An electric telescopic rod is installed at the output end of the hydraulic oil cylinder, a fixing seat is fixedly installed at the lower end of the electric telescopic rod, sliding grooves are symmetrically formed in the fixing seat, side rods are fixedly installed on the side walls of the two sides of the fixing seat, a placing frame is fixedly installed at the upper end of the base, and a circular groove and an inner groove are formed in the upper end of the placing frame; the sliding frames are evenly and slidably installed in the inner wall of the inner groove at equal intervals, the wedge-shaped blocks are fixedly installed at the opposite ends of the sliding frames, the second springs are fixedly installed on the sliding frames, and through the mode that the wedge-shaped blocks are fixed towards the middle, the hexagonal flange nut can be always kept in the center position when placed and is not prone to deviation; and the tapping accuracy and effect are enhanced.

This application discloses a tap indexing shaft sliding module assembly, including a tap positioning indexing shaft clamping module, a rear fixed center, and a sliding module. After oil is supplied through the oil inlet pipe, the sliding module panel slides on the sliding module main board. The surface finish of the sliding module panel and the sliding module main board exceeds 0.05 μm, and an oil film is generated after oil is supplied through the oil inlet pipe, forming a seal. This application achieves precise adjustment between the sliding panel and the main board through the design of the related structures of the sliding module. The grinding fit accuracy is high, and fine adjustment is achieved by relying on the adjusting screws on both sides to achieve a fit state that is both movable and precise. The entire sliding module internally supplies oil to the sliding module panel and the sliding module main board through hydraulic pressure. There is no leakage in the internal chamber, which creates internal pressure and floats the sliding module panel and the sliding module main board, reducing friction.

Tool damage detection device (2), comprising a data acquisition unit (222) that acquires, for a period of time of a cutting feed, load data indicating a load on a spindle, rotational speed data indicating a rotational speed of the spindle, and coordinate value data indicating a coordinate value of a cutting point; an extraction unit (223) which extracts evaluation data from the load data based on the rotational speed data, which are to be used for evaluating the occurrence of damage to a tool, wherein the extraction unit (223) determines a type of machining performed by the tool based on the rotational speed data and the coordinate value data, and extracts the evaluation data according to the determined type of machining; a detection unit (225) which, using the evaluation data, detects the occurrence of damage to the tool; and an output unit (226) that outputs data indicating the occurrence of damage to the tool when the detection unit (225) has detected damage to the tool.

The invention relates to the technical field of nut production, in particular to an off-machine tapping device and process for nut production, which comprises a tapping assembly, an electric guide rail arranged on one side of the tapping assembly, a tapping machine arranged at the output end of the electric guide rail, a trapezoidal plate arranged at the bottom of the tapping machine, and three groups of driving parts arranged on the inner side of the tapping assembly, the output end of each driving part is connected with a conduction part, each conduction part is slidably connected with a clamping plate, the top of each conduction part is provided with a transmission plate, and the inner side of each clamping plate is provided with a to-be-tapped part; in the process that the electric guide rail drives the tapping machine to move downwards, the tapping machine is matched with the trapezoidal plate to extrude the transmission plate, and the transmission plate is matched with the transverse moving plate to transmit force generated when the electric guide rail drives the tapping machine to move downwards to the longitudinal part. And the longitudinal part is matched with the inclined surface of the clamping plate to amplify the downward moving force of the tapping machine and reduce the transverse moving distance of the clamping plate to clamp the to-be-tapped part.

The invention belongs to the technical field of air conditioner production, and discloses an air conditioner bottom plate automatic tapping device which comprises a base, a telescopic rod is fixedly installed on the rear portion of the base, a sliding rod is fixedly connected to the rear portion of the telescopic rod, a moving plate is slidably connected to the curved surface of the sliding rod, and a pressing rod is fixedly connected to the front portion of the moving plate. When a permanent magnet ring is in contact with the upper surface of an air conditioner bottom plate, an electromagnetic ring is electrified, so that a magnetic field for adsorbing the permanent magnet ring is generated, the bottom plate is pressed, a movable plate continues to move downwards, and a connecting sleeve and a sliding sleeve slide relatively; due to the support of the permanent magnet ring and the electromagnetic ring near the tapping part, the bottom surface of the bottom plate of the air conditioner cannot be sunken, so that the problems that the cut-in angle of a screw tap is deviated, the screw tap is easy to break and loose, and the screw thread is incomplete due to the fact that the air conditioner bottom plate is easy to elastically or plastically deform at a stress point are solved.

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 utility model relates to the technical field of rotary joint machining, and discloses a rotary joint machining positioning tool which comprises a base plate, a threaded hole formed in the base plate is in threaded connection with a second screw rod, the top end of the second screw rod is rotationally connected with a supporting disc through a bearing seat, and a second rotary knob is fixedly installed at the bottom end of the second screw rod. According to the rotary joint machining and positioning tool, the first clamping plate and the second clamping plate can be close to each other at the same time, the clamping and positioning precision of a rotary joint is greatly improved, and therefore the machining precision of the rotary joint is guaranteed; according to the technical scheme, the problems that in the prior art, the positions of clamping blocks on the two sides of a rotary joint are adjusted through two independent adjusting bolts correspondingly, so that the rotary joint is clamped, the moving distances of the two clamping blocks are possibly different in the manual adjusting and rotating process, the clamping and positioning position of the rotary joint is deviated, and the clamping precision of the rotary joint is affected are solved. And the machining precision of the rotary joint is further influenced.

The utility model relates to a portable circular die replacing structure for a handheld die head threading machine. The split type die is characterized in that the split type die comprises a circular die, a lining set screw, a lining, a split type die head and a die head set screw, a lining positioning hole is formed in the wall face of the circular die, a lining positioning through hole and a die head positioning hole are formed in the wall face of the lining, the circular die is sleeved with the lining, and the die head set screw is arranged on the lining. The bushing set screws are fixed in the bushing positioning through holes and the bushing positioning holes; the split type threading die head comprises a connecting sleeve and a connecting base used for being fixed to the handheld electric threading machine, the connecting sleeve is fixed to the connecting base, a threading die head positioning through hole matched with the threading die head positioning hole is formed in the wall face of the connecting sleeve, the lining is arranged in the connecting sleeve of the split type threading die head in a sleeved mode, and the lining is arranged on the connecting base. And the threading die head set screw is fixed in the threading die head positioning through hole and the threading die head positioning hole. The device is reasonable in structural design and convenient to disassemble and assemble.

The application discloses a drill rod external thread drill tail machining positioning device, which comprises a walking frame and a walking mechanism arranged on the walking frame, a base bottom plate is slidably arranged on a workbench of the walking mechanism, a vertical support is arranged on the base bottom plate, the vertical support is provided with an obliquely arranged sliding groove, a drill rod positioning piece is arranged in the sliding groove, the drill rod positioning piece comprises an adjusting positioning block, an adjusting pivot and a drill rod clamping seat, the end of the adjusting positioning block is a square groove, and the drill rod clamping seat is arranged in the square groove, the coaxiality of the adjusting pivot and the central mounting ring ensures the stability of rotary adjustment and the repeat positioning precision, the replaceable drill rod clamping seat is matched with the middle sleeve to adapt to drill rods of different specifications, and the universality of the device is improved; the anti-shaking assembly arranged in a bilateral symmetry mode is introduced, the central adjustment is ensured, the clamping seat is kept coaxial with the main shaft of the machine tool at all times, and the deviation or vibration problem caused by eccentricity in the machining process is effectively prevented.

The invention relates to a centerless external thread grinding machine which comprises a machine body and further comprises a workpiece driving device installed on the machine body, a workpiece supporting system installed on the machine body and a grinding system for grinding a workpiece. The workpiece supporting system is used for conducting radial positioning on a workpiece and supporting the workpiece, the workpiece driving device is used for detachably clamping the workpiece, driving the workpiece to move in the X-axis direction and rotating in the X-axis direction, and the grinding system is used for conducting external thread grinding on the workpiece on the workpiece supporting system. The workpiece supporting system comprises at least one lower supporting block used for supporting and positioning a workpiece and an upper limiting block which can move towards one side of the lower supporting block and is matched with the lower supporting block to conduct radial limiting on the workpiece when the upper limiting block moves to be close to the lower supporting block. The grinding system comprises a forming grinding wheel which is driven by a motor to rotate and can be relatively away from or close to the workpiece.

The utility model relates to the technical field of milling, and discloses internal thread milling equipment which comprises a working table, an electric push rod is fixedly connected to the upper surface of the working table, a rack is fixedly connected to the output end of the electric push rod, a sliding seat is fixedly connected to the lower surface of the rack, the tooth end of the rack is in meshed connection with a gear, and the gear is in meshed connection with the sliding seat. And a connecting rod is fixedly connected to the interior of the gear, an L-shaped plate is fixedly connected to the outer wall of the middle of the connecting rod, a push plate is rotatably connected to the outer wall of the L-shaped plate, a fixing frame is rotatably connected to the interior of the push plate, and a fixing plate is fixedly connected to the upper surface of the fixing frame. According to the thread milling cutter, the electric push rod, the rack, the sliding seat, the gear, the connecting rod, the L-shaped plate, the push plate, the fixing frame, the fixing plate and the telescopic rod are matched with one another, so that the height of the thread milling cutter is adjusted to adapt to the heights of different workpieces, meanwhile, internal threads at different positions of the workpieces can be machined, and the machining flexibility is enhanced.

The invention relates to the technical field of bolt machining, and provides a tapping machine for stainless steel bolt machining, which comprises a case and a linear motor, and the linear motor is arranged on the inner wall of the case; the tapping equipment is fixedly mounted at the output end of the linear motor; the sieve plate is mounted on the inner wall of the case in a sliding manner; the tripod is fixedly mounted on the inner wall of the case; and the placing frame is fixedly mounted on the surface of the triangular frame, and the placing frame is used for placing bolts. According to the tapping machine for machining the stainless steel bolt, the bolt and the hexagonal block are pushed out through resetting of the hexagonal block, the bolt can be prevented from being clamped in the groove and affecting taking out, meanwhile, disintegrating slag generated during tapping can be effectively prevented from being clamped in the groove, and the problems that in the prior art, in the tapping process, the bolt is not limited, and the tapping quality is affected are solved. Therefore, the bolt may rotate in the tapping process, and the machining effect is affected.

The invention relates to the technical field of milling, in particular to a multi-position synchronous milling device and method.The multi-position synchronous milling device comprises a positioning shell fixedly connected with a driving motor shell, a driving connecting piece connected with a driving motor main shaft and a driving shaft, and the upper end of the positioning shell is rotationally connected with the driving connecting piece through the driving shaft; the bottom end of the driving shaft is fixedly connected with a central gear, the outer side of the central gear is meshed with a plurality of annularly-distributed driven gears, the middle of each driven gear is connected with a milling assembly through an anti-locking assembly, and a limiting assembly is installed at the upper end of each milling assembly; the anti-locking assembly comprises a fixing column, a buffer strength adjusting assembly is installed in the fixing column, and a sliding block is fixedly connected into the buffer strength adjusting assembly. In the machining process, if the clamping stagnation condition occurs in a certain position, the milling assembly corresponding to the clamping stagnation position can slip through the arranged anti-clamping assembly, so that the stability and quality of overall machining are guaranteed.

The utility model relates to the technical field of motorcycle part machining, in particular to motorcycle cylinder head spark plug tapping equipment. Comprising a tapping machine body and a material receiving mechanism, and the material receiving mechanism comprises a belt conveyor, a material receiving barrel, an inclined guide plate, a first limiting block, a second limiting block, a positioning plate, a clamp table, a limiting plate, a receiving device and a limiting device. A spark plug is clamped and conveyed to a clamp of the clamp table through the feeding robot to be fixed, then a part can be subjected to tapping machining through the tapping machine body after being fixed, the part is taken through the feeding robot after tapping is completed, the workpiece is placed on a conveying belt of the belt conveyor, the workpiece is conveyed into the material receiving barrel through the belt conveyor, and the material receiving barrel is used for receiving the spark plug. And then the parts fall onto the inclined guide plate and slide into the receiving device to be automatically collected, feeding machining can be carried out during collection, and therefore the machining efficiency can be improved when motorcycle cylinder head sparking plug tapping machining is carried out.

The application relates to a tap wrench, which comprises a mounting base provided with a sliding groove, two handles fixedly installed at two ends of the mounting base, an installation cavity arranged in the handles, one end of the installation cavity being communicated with the sliding groove and the other end of the installation cavity penetrating the handle end, two clamping blocks slidably installed in the sliding groove and used for clamping and fixing a tap, a pressing rod slidably installed in the installation cavity and rotationally matched with the installation cavity, one end of the pressing rod extending into the sliding groove and being rotationally connected with the clamping block, and the end being threadedly matched with the mounting base, and a tightening mechanism arranged in the installation cavity and used for rotating the pressing rod. Since the pressing rod used for slidingly pushing the clamping block is arranged in the handle, the pressing rod is not easily rotated by the hand during the rotation of the tap for tapping, so that the clamping block is not easily loosened to cause the tap to fall off during the tapping.

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.

An automatic threaded hole positioning processing device includes: a rotary positioning mechanism, a clamping mechanism, a processing mechanism, a coolant nozzle, a unloading mechanism, a purging nozzle, a pneumatic power system, an oil pump system, and a pneumatic pump. The clamping mechanism, processing mechanism, and coolant nozzle are located at the 9 o'clock position of the rotary positioning mechanism, the unloading mechanism is located at the 6 o'clock position of the rotary positioning mechanism, and the purging nozzle is located at the 3 o'clock position of the rotary positioning mechanism. The pneumatic power system is connected to the rotary positioning mechanism and the clamping mechanism, the oil pump system is connected to the processing mechanism, the pneumatic pump is connected to the purging nozzle, and the coolant nozzle is connected to a water pipe. Compared with traditional technologies, this invention achieves full automation and high precision in threaded hole processing; it solves the problems of inaccurate positioning and low efficiency caused by manual operation.

The invention discloses an extension bar tool for a radial drilling machine. The extension bar tool comprises a telescopic extension bar assembly. The telescopic lengthening rod assembly is of a rod-shaped structure capable of being telescopically adjusted in the axial direction, one end of the telescopic lengthening rod assembly is detachably installed on a main shaft of the radial drilling machine, and the telescopic lengthening rod assembly is used for adjusting the overall length of the tool through the axial telescopic action so as to adapt to different workpiece wall attaching distances during machining of the radial drilling machine and meet the machining range requirements under different working conditions. Through cooperation of the elastic locking rods and the multiple adjusting holes, the overall length of the tool can be flexibly adjusted so as to adapt to the wall attaching distances of different workpieces. In addition, the adapter head assembly is matched with the taper sleeves of multiple specifications through the quick-release pin rod assembly, and disassembly and assembly adaptation of drill bits and screw taps of different models can be quickly achieved; the anti-loosening assembly finally achieves the comprehensive effects of expanding the tool machining range, improving the tool adaptation universality and the disassembly and assembly efficiency, ensuring the high-speed machining stability and guaranteeing the machining hole site precision through the internal thread part and the external thread part which are screwed in the reverse directions.

The invention relates to the technical field of tapping, and provides a tapping device for nut machining, which comprises a mounting case, a mounting chamber is arranged at the bottom of the mounting case, a tapping chamber is arranged at the top of the mounting case, and tapping equipment comprising two tapping output ends is arranged in the tapping chamber. A polygonal rotating disc is rotationally arranged at the bottom of the tapping cavity, the multiple communicating barrel bases are evenly distributed on the periphery of the polygonal rotating disc in a communicating mode, a sliding rail is arranged on the tops of the communicating barrel bases in a communicating mode, a nut transverse moving assembly is arranged on the sliding rail in a sliding mode, and the U-shaped circulating pipeline is arranged in the mounting cavity; the U-shaped circulation pipeline comprises a discharge end and two inlet ends. By means of the technical scheme, the technical problem that in the nut machining process of a tapping device in the prior art, metal chippings in used cutting fluid are inconvenient to treat in time, and continuous supply of the cutting fluid by a cutting fluid discharging and collecting system is affected is solved.

The application belongs to the technical field of machining equipment, and particularly relates to an automatic tapping device, which comprises a machine body, an automatic feeding mechanism, a conveying track, a fixing mechanism, a tapping mechanism and a PLC control box arranged on the machine body; the automatic feeding mechanism, the fixing mechanism and the tapping mechanism are electrically connected with the PLC control box; the top surface of the conveying track is provided with a conveying groove; the fixing mechanism comprises a lifting plate, a driving piece and an inner support clamping assembly; the tapping mechanism comprises a movable mounting plate, a second servo motor, a tapping rod and a driving unit; the inner support clamping assembly is used to replace the traditional side clamping or single plane clamping, and simultaneously supports the workpiece from the inside, so that the clamping force is evenly distributed on the inner wall of the workpiece, and the problems of deviation and deformation of the cylindrical workpiece caused by uneven stress are effectively avoided; the inner support clamping assembly can be adjusted in spacing through the driving assembly, so as to be suitable for cylindrical workpieces with different diameters; and the flexible gasket avoids the abrasion of the inner wall of the workpiece caused by rigid clamping.

The invention relates to the field of hard alloy product production, in particular to a production method of a high-toughness and wear-resistant hard alloy. A production method of a high-toughness and wear-resistant hard alloy comprises the following steps that S1, raw materials including, by mass, 40%-45% of WC powder, 25%-35% of Fe powder, 3%-5% of Si powder, 0.95%-1.16% of C powder, 2.5%-3.2% of Ni powder, 9%-12% of Co powder, 1.75%-2.05% of Mo powder and 0.15%-0.3% of VC powder are taken, and the purities of all the powder components are all larger than 99%; s2, mixing the raw material powder in the step S1 with a ball milling medium according to a ratio, and mixing by adopting a wet ball milling process; s3, drying the slurry, and sieving to prepare granules; s4, pressing the granules into a hard alloy blank; s5, the hard alloy blank is sintered in a vacuum or low-pressure sintering furnace, and the sintering temperature is controlled to be 1180-1250 DEG C; and S6, after sintering is completed, a sintered body is cooled, precision machining is conducted according to requirements, and a product is obtained. The high toughness and wear resistance of the hard alloy material are remarkably improved.

This utility model discloses an automated conveying and tapping machine for right-angle connectors, comprising a frame, a storage device for storing stacked right-angle connectors, a conveying channel connected to the storage device for conveying multiple right-angle connectors in an orderly manner, a pushing device for pushing the right-angle connectors in the conveying channel to move accordingly, a blocking device for controlling and preventing the right-angle connectors from being output from the output port of the conveying channel, and a tapping device for tapping the tapping through holes of the corresponding right-angle connectors in the conveying channel. This machine enables automated supply, conveying, and tapping of right-angle connectors, eliminating the need for manual placement and transfer, greatly improving production efficiency, reducing labor costs, and enabling long-term stable continuous production to meet the needs of large-scale production.

Provided is a machine tool control device for controlling threading, the device being capable of automatically setting the threading amount for achieving threading as desired by an operator. A machine tool control device 1 is provided with: a machining condition acquisition unit 11 that acquires machining conditions for threading; a machining determination unit 12 that determines the type of machining from the machining conditions; a threading amount rule setting unit 13 that, on the basis of a determination result from the machining determination unit 12, determines setting rules, which is a method for setting the threading amount of threading; and a threading amount determination unit 20 that determines the threading amount for machining on the basis of the machining conditions and the setting rules.

To provide a tap phase difference detection method that detects a phase difference between different taps, by a simple method without using a dedicated device, a female threading method that can execute processing for making phases of the taps match each other, and a device that can execute the methods.SOLUTION: One of taps 4 is defined to be a reference tap 4a, and using a camera 12 that can photograph a contour line of an incomplete thread part 15 provided in the tap 4, in an axial direction of a spindle 2 on which the tap 4 is mounted, the reference tap 4a is positioned at a position where the cameral 12 can photograph the contour line, and then, the camera 12 photographs the contour line; and using the contour line as a reference contour line, another tap 4b is positioned at a position where the contour line can be photographed by the camera 12, and then, the contour line is photographed by the camera 12, and the contour line of the photographed other tap 4b is rotated and a rotation angle of when the contour line matches the reference contour line is obtained as a phase difference between the reference tap 4a and the other tap 4b.SELECTED DRAWING: Figure 6

The utility model relates to fastener manufacturing equipment technical field discloses a kind of automatic tapping machines of press-in nut column, including support platform, the tapping equipment main body is fixedly installed in support platform top end near rear side, the carousel mechanism is arranged in the lower portion of tapping equipment main body, the carousel mechanism is installed in support platform top end, vibration tray is installed in support platform top end near one side, linear feeder is connected on vibration tray, controller is fixedly installed in support platform top end, support leg is fixedly installed in support platform bottom end, overturning mouth is opened in support platform near other side, the automatic tapping machine of this press-in nut column can automatically and timely pour the press-in nut column collected in collection box one and collection box two, avoid the press-in nut column of tapping completion to be accumulated and overflow in collection box one and collection box two, so as not to be convenient for personnel subsequent collection processing.