Patents
Literature
93results about "Reaming devices" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Machining method and end effector
Processing is performed along the surface of the workpiece, according to the position and shape of the workpiece. [Solution] A machining robot (11) extends a search tool (15) toward a machining surface search position (83), which is three points near a machining position (81) of a workpiece (3), acquires the search coordinates where the search tool (15) comes into contact with the machining surface search position (83), calculates a tangent plane (84) of the surface of the workpiece (3) at the machining position (81) relative to the machining robot (11) based on the acquired three search coordinates, and machines the machining position (81) with the machining tool (17) so that the spindle (13c) to which the machining tool (17) is attached is perpendicular to the tangent plane (84).
Owner:SUGINO MACHINE
Metal embedded sleeve positioning and cutting equipment
The invention relates to the technical field of metal embedded sleeve positioning and cutting, in particular to metal embedded sleeve positioning and cutting equipment which is characterized in that a feeding mechanism is arranged on the front side of a machining frame, and a clamping mechanism and a drilling and cutting mechanism are arranged on the machining frame; by means of the clamping mechanism, a metal cylinder serving as a variable-diameter embedded sleeve machining raw material can be rapidly and stably clamped, and the clamped and fixed metal cylinder can be stably rotated and adjusted by 90 degrees; the clamping mechanism is matched with the drilling and cutting mechanism, drilling, cutting and chambering can be synchronously conducted on the two ends of a metal cylinder through relative feeding of chambering reamers of two sizes, and the chambering requirements of different reducing embedded sleeves can be met by replacing the chambering reamers of different sizes; by means of the feeding mechanism, stable fixed-point feeding and taking can be conducted on the metal cylinders, and synchronous discharging can be conducted on the variable-diameter cylinders subjected to broaching forming.
Owner:JIANGSU HAOTE ENERGY SAVING SYST ENG CO LTD
Aircraft joint reaming device and using method thereof
The invention relates to the technical field of aircraft repair and production, in particular to an aircraft joint reaming device and a using method thereof.The reaming device comprises a positioning shaft, a handle, a joint fixing part and a reaming part; the joint fixing part comprises a conical sleeve, an inclined positioning block, a rotating sleeve, a first sliding disc, a second sliding disc and a cylindrical roller; the joint fixing part is movably mounted at the left end of the positioning shaft and is used for coaxially positioning joint bushings with different hole diameters of an airplane and ensuring the coaxiality of the reaming device and a joint hole; the reaming part comprises a rotary propelling sleeve and a replaceable reaming tool; a reaming tool is fixedly installed at the right end of the rotary propelling sleeve through threads. And the reaming part is rotatably mounted at the right end of the positioning shaft and is used for reaming the aircraft joint bushing. When the reaming device is used, the joint bushing is coaxially positioned through the joint fixing part, then the reaming tool is repeatedly replaced to ream the bushing hole, and the reaming device is high in reaming efficiency and good in precision.
Owner:AVIC TIANSHUI AVIATION IND
Machine tool for machining bimetal linings through rigid reamer
The machine tool comprises a base, a main shaft, a cutter bar locking screw rod, the rigid reamer, a clamp, a tailstock and an air cylinder, a movable center is arranged at the end, close to the clamp, of the tailstock, and the end, away from the rigid reamer, of the cutter bar locking screw rod is connected with a driving mechanism through a transmission piece; the lower end of the clamp is connected with the base in a sliding mode, and a positioning hole is formed in the position, corresponding to a workpiece, of the clamp. According to the machine tool for machining the bimetal lining through the rigid reamer, in the machining process, the rigid reamer is connected with the main shaft through the cutter bar locking screw rod, so that the rigid reamer only rotates on the power source, a workpiece has radial micro-compensation floating in the axial movement process, good follow-up movement is kept, the movement inertia of the workpiece is relieved, and the machining precision of the bimetal lining is improved. And microscopic size change caused by radial movement of the relative rigid reamer is reduced.
Owner:JIANGLING MOTORS
Novel reaming device and method for manufacturing magnetic pole of electromagnetic yoke
InactiveCN121945877Aavoid enteringAchieve the function of sealing jointsReaming devicesMaintainance and safety accessoriesMagnetic polesMechanical engineering
Owner:WUHAN SENFURUI TECH CO LTD
Power tool and power tool accessories for cutting tubular members
A cutting head for a tool for cutting a tubular member includes a cutting wheel. The cutting wheel has an aperture that extends therethrough. The aperture is centered on an axis of rotation of the cutting wheel. The cutting head further includes a blade axle disposed in the aperture such that the cutting wheel is rotatable relative to the blade axle about the axis of rotation. A portion of an outer surface of the blade axle has a texture formed thereon. The cutting head further includes a roller carriage having at least one roller configured to support a tubular member. The cutting head further includes a blade carriage that supports the blade axle. The blade carriage has a resilient member configured to bias the cutting wheel against the tubular member.
Owner:BLACK & DECKER CORP
A PCD bearing hole forming reamer and its equipment
The present invention relates to the technical field of bearing processing, and particularly relates to a PCD bearing hole forming reamer and its equipment, including a cutter body, the cutter body includes a cutter head, one end of the cutter head is welded with a cutter handle in the middle, the cutter handle is circular and its length is greater than the length of the cutter head; a plurality of cutting grooves are evenly arranged at the end of the cutter head away from the cutter handle, and PCD cutting blades are fixedly installed on the inner sides of the plurality of cutting grooves; the PCD cutting blades are made of PCD (polycrystalline diamond); the edge-opening parts of the plurality of PCD cutting blades are all located outside the cutter head; through the setting of the PCD cutting blades, the overall rigidity of the reamer is improved, and at the same time the service life of the reamer is increased, saving the time occupied by frequent tool changing and tool alignment; in addition, the PCD cutting blades can adapt to the working state of high-speed rotation, and do not require the use of cutting fluid during the grinding work, so that the processing time of the reamer for the bearing is shorter, thereby increasing the efficiency of the bearing processing work.
Owner:NEUK (SUZHOU) CUTTING TECH CO LTD
Machining equipment for connecting rod of air compressor
The invention provides machining equipment for a connecting rod of an air compressor, and relates to the technical field of connecting rod reaming, the machining equipment comprises a main body mechanism, a turnover mechanism is mounted on the main body mechanism, a positioning mechanism is further mounted on the turnover mechanism, and reaming machines are fixedly connected to the two sides of the upper surface of a mounting bottom plate. A driving motor is started to drive a lower sliding block and an upper assembling block to horizontally move along a sliding rail, when the lower sliding block and the upper assembling block move to the two ends of the sliding rail respectively, a protruding block makes contact with two limiting metal plates at different positions, and then a pushing metal plate and an upper sliding plate can be driven to horizontally move along a sliding groove; the metal plate is pushed to drive the matched gear and the connecting shaft to horizontally move in the mounting groove, the matched gear is in contact with the toothed plate in the moving process, the connecting shaft rotates, two reamed holes of the air compressor connecting rod are automatically turned over and machined, the reaming efficiency of the air compressor connecting rod is improved, and the machining efficiency of the air compressor connecting rod is improved. And therefore, the manual labor force is saved, and the practicability of the reaming device is improved.
Owner:JIANGSU JINGREN ELECTROMECHANICAL TECH CO LTD
Vertical double-station damper cylinder reaming machine
The invention relates to the technical field of machining tools, and discloses a vertical double-station damper cylinder reaming machine which comprises a rack, a chip removal mechanism, a workpiece part and a cutter part, the workpiece part and the cutter part are arranged on the rack, the workpiece part comprises a first clamping piece and a second clamping piece which are arranged in a vertically spaced mode, and the first clamping piece is vertically and rotatably arranged on the rack; the workpiece part further comprises a first driving part and a second driving part, the first driving part drives the second clamping part to descend to clamp a workpiece between the first clamping part and the second clamping part, and the second driving part drives the first clamping part to rotate and drives the workpiece to rotate synchronously. And the cutter part comprises a reamer and a driving piece III for driving the reamer to vertically lift. When the reamer is used for machining, scrap iron generated during machining and cooling liquid on the reamer can fall off from the through hole, are collected and discharged by the scrap discharging mechanism and cannot be accumulated in a hole of a workpiece, and the machining precision is effectively improved.
Owner:ZHEJIANG LANXI HAIJU INTELLIGENT EQUIP CO LTD
Automatic drilling and reaming machine with hole diameter fine adjustment function
The invention discloses an automatic drilling and reaming machine with an aperture fine adjustment function, and relates to the technical field of drilling and reaming machine tools, the automatic drilling and reaming machine comprises a fine adjustment reamer and a hook rod, the fine adjustment reamer is installed on an automatic clamp, the fine adjustment reamer comprises a reamer body, a fine adjustment mechanism and a replaceable reamer blade, the fine adjustment mechanism is arranged in the reamer body, and the reamer blade is arranged on the hook rod. The fine adjustment mechanism is in circuit connection with the main machine control box, the reamer blade is installed on the fine adjustment mechanism, the fine adjustment mechanism conducts fine adjustment on the position of the reamer blade, and the hook rod is rotatably installed below the main machine control box and presses the fine adjustment mechanism. The fine adjustment mechanism composed of the double-thread screw, the upper sliding block, the lower sliding block, the push rotating ring, the blade frame and the like is arranged, hook rod locking and gear transmission structures are combined, accurate and synchronous adjustment of the radial position of the reamer blade is achieved, the precision and consistency of hole diameter machining are effectively improved, and the high-precision reaming process requirement is met.
Owner:GUANGZHOU XINGTAIAN HARDWARE PROD CO LTD
Honing Tool and Machine Tool for Finish Machining of Tapered Hole
The present invention relates to a honing tool and a machine tool for finish machining of tapered holes. The honing tool includes a floating tool shank assembly, the floating tool shank assembly has a tool shank, the honing tool further includes an ultrasonic power supply, a wireless transmitter electrically connected to the ultrasonic power supply and capable of emitting a magnetic signal, and a transducer disposed on the tool shank. The transducer can receive the magnetic signal of the wireless transmitter and convert it into mechanical vibration. The honing tool of the present invention combines ultrasonic vibration through a floating tool shank assembly and is used for finish machining of tapered holes. It not only has good perpendicularity, but also has a small machining allowance at the sharp corner of the tapered hole. It can meet the precision requirements of the tapered hole without manual grinding, greatly improving the machining efficiency, and the surface of the machined tapered hole has better finish than that of manual grinding.
Owner:SUZHOU XINNENG PRECISE MACHINERY
A reamer and a reamer and floating head assembly
The invention relates to a reamer and to a reamer and floating head assembly. The task of the invention is to provide a reamer that will provide for high machining accuracy, will be adjustable for machining workpieces having different diameters and will allow for quick restoration or replacement of blades and guides. A reamer (1; 101) comprises a head (2; 102), at least three guides (3; 103), each consisting of a guide part (3 a; 103 a), movably arranged in the head, and a pointed part (3b; 103b), the guides being arranged at an angle φ with respect to the central axis of the head, and wherein part of the surface of the pointed part of the respective guide, which is intended to come in contact with the workpiece, is arranged at the same angle φ with respect to the central axis of the respective guide so that part of the surface of the pointed part of the respective guide, which is intended to come in contact with the workpiece, is arranged parallel to the central axis of the head, a blade holder (4; 104), an adjusting screw (5; 105) of the guides, elements (3c, 5a, 5b, 11, 12; 103c, 111) for transferring the translational movement of the adjusting screw (5; 105) of the guides to the guides and the blade holder, and a blade (6; 106) for machining the workpiece.
Owner:GROSELJ TOMAZ
Reamer for blind hole machining and blind hole machining method
The present disclosure relates to a reamer for blind hole processing and a method for processing blind holes. The reamer includes: a cutter head having a first through hole, the cutter head being used to process the inner surface of the blind hole and clean debris inside the blind hole; a sleeve having a front end connected to a rear end of the cutter head, provided with a mounting groove that is radially opened and extends axially, a scale set axially on one circumferential side of the mounting groove, and a second through hole coaxial with the first through hole being provided at the front end of the sleeve; and a measuring rod being used to cooperate with the scale to confirm the depth of the blind hole. The reamer can process blind holes and clean debris inside the holes while processing, and can also accurately measure the hole depth, making the hole depth measurement more accurate. After the processing is completed, there is no need to clean the debris inside the hole, thereby improving the processing efficiency, reducing the processing steps, improving the accuracy of the blind hole, and saving time and equipment costs.
Owner:CHINA NUCLEAR IND FIFTH CONSTR CO LTD
Drilling machine reaming guide sleeve for inclined shaft motor bottom plate
The utility model discloses an inclined shaft motor base plate drilling machine reaming guide sleeve, which comprises a reamer, a processing piece and a guide sleeve, the processing piece is provided with a hole to be processed, the guide sleeve is a cylinder, the upper end face of the guide sleeve is provided with a guide hole with the same aperture as the hole to be processed, the guide sleeve is fixed on the processing piece, the guide hole is aligned with the hole to be processed, and the reamer is arranged on the processing piece. The guide sleeve is used for limiting the motion trail of the reamer and assisting workers in reaming, cylindricity after reaming is effectively improved, stability during reaming is guaranteed, the reamer can be more accurately positioned by the aid of the guide sleeve, the guide sleeve is easy to mount and replace, adjusting times during reaming are reduced, and machining efficiency is improved. The working efficiency is improved, meanwhile, the product reaming stability is improved, and a more efficient and accurate solution is provided for machining of the bottom plate.
Owner:JIANGSU WORLD HIGH-PRECISION COMPLETE EQUIP CO LTD
Precision reaming tool for valve seat ring hole and guide pipe hole of cylinder cover
The utility model discloses a cylinder cover valve seat ring hole and guide pipe hole finish reaming tool which comprises an installation frame, a driving assembly is arranged at the bottom of the installation frame, a plurality of rotating shafts are arranged in the installation frame in a rotating mode, the rotating shafts are all arranged in the installation frame in a rotating mode, and the driving assembly is connected with the driving assembly. And a conveying chain wheel is fixedly arranged on the surface of the rotating shaft. The hydraulic push rod drives the fixing plate to reset, so that the cylinder cover falls onto the conveying chain, the cylinder cover subjected to finish reaming is moved out of the limiting plate through the conveying chain, the cylinder cover which is not subjected to finish reaming is moved into the limiting plate, and the cylinder cover which is not subjected to finish reaming is jacked up and fixed through the hydraulic push rod and the fixing plate; therefore, the cylinder cover valve seat ring hole and the guide pipe hole can be continuously and finely reamed, the situation that the cylinder cover needs to be taken and placed with much time is avoided, and the speed of the fine reaming process of the cylinder cover valve seat ring hole and the guide pipe hole is increased.
Owner:彭 贵勇
Processing method and end effector
ActiveJP2026047631AAutomatic control devicesDrilling/boring measurement devicesMachined surfaceMachine
The machine processes the surface of the workpiece, adjusting it to match its position and shape. [Solution] A machining robot 11 extends a search tool 15 toward three points near the machining position 81 of the workpiece 3, which are the machining surface search positions 83. The search tool 15 acquires the search coordinates where it contacts the machining surface search positions 83. Based on the acquired search coordinates of the three points, the machine robot 11 calculates the tangent plane 84 of the surface of the workpiece 3 at the machining position 81. The machine robot 11 then processes the machining position 81 with the machining tool 17 so that the spindle 13c, to which the machining tool 17 is mounted, is perpendicular to the tangent plane 84.
Owner:SUGINO MACHINE
Flexible hole machining reamer structure
The utility model relates to the technical field of reamer production and machining, and discloses a flexible hole machining reamer structure which comprises a first reamer rod, a second reamer rod fixedly connected to the bottom of the first reamer rod, a reamer head fixedly connected to the bottom of the second reamer rod, a shell arranged on the top of the first reamer rod, a first groove formed in the front side of the shell, and a second groove formed in the front side of the shell. A second groove is formed in the bottom of the shell, a detector is fixedly connected to the bottom of the inner wall of the shell, an indicator lamp is fixedly connected to the front side of the detector, and a probe rod is fixedly connected to the bottom of the detector. According to the utility model, the diameter reduction design is carried out on the part of the second cutter bar, so that soft deformation compensation is provided for the working process of the reamer, the influence of partial concentricity on processing can be corrected by matching with the first cutter bar 1, and the working process of the reamer is detected by arranging the detector and the probe rod in the shell, so that the detection accuracy of the reamer is improved. The reamer solves the problem that a horn hole is easy to appear when the reamer is used for machining a precision hole.
Owner:SUZHOU LITELI TOOLS CO LTD
Precise adjustable large-diameter blind hole machining mechanism
The utility model discloses a precise adjustable large-diameter blind hole machining mechanism which comprises a reamer ring, a cutter bar, a compensation type cutter handle, an adjusting expansion pin and a connecting piece. The reamer ring is connected to one end of the cutter bar in a sleeving mode and connected in a limiting mode through a first positioning spigot, and a positioning pin is arranged and connected with one end of the cutter bar in a positioning mode. The adjusting expansion pin is provided with a second positioning spigot and a conical limiting spigot; the second positioning spigot abuts against one end of the reamer rod for positioning, and the conical limiting spigot abuts against the inner conical end face of the reamer ring. The adjusting expansion pin is movably connected to one end of the cutter bar through a connecting piece; and the other end of the cutter bar is connected to the compensation type cutter handle. Matching of the conical limiting spigot of the expansion pin and the inner conical end face of the reamer ring is adjusted by screwing the connecting piece, fine adjustment of the diameter of the reamer ring can be achieved, the reamer ring machining tool can adapt to large-diameter blind hole machining tasks with different size requirements, and machining precision and flexibility are improved.
Owner:TAICANG RUIDING PRECISION MACHINERY TECH
Reaming device for machining prestressed anchorage device clamping piece
The utility model belongs to the technical field of prestressed anchorage device clamping piece machining, and particularly relates to a reaming device for prestressed anchorage device clamping piece machining, which comprises a reaming machine and a workbench assembled on the reaming machine, a clamping block is connected to the inner side wall of a support frame at the top end of the workbench, a cooling fan is mounted on the outer side wall of a mounting plate, and the cooling fan is connected with the workbench. An electric rod is installed on the outer side wall of the fixing block, the telescopic end of the electric rod is connected with a cleaning brush, the cleaning brush is driven by the electric rod to operate, and in combination with a cooling fan, metal scraps attached to the surface of the two-way threaded rod are effectively removed, so that the scraps are prevented from hindering movement of the supporting frame, and the service life of the supporting frame is prolonged. Therefore, unnecessary friction and abrasion between the bidirectional threaded rod and the support frame are avoided. Therefore, the situation that hard metal chippings are clamped between the contact faces of the two-way threaded rod and the supporting frame is reduced, mutual abrasion of the two-way threaded rod and the supporting frame during movement is remarkably reduced, the stability of the whole structure is improved, and the service life is prolonged.
Owner:SHANXI RONGYANG MACHINERY TECHNOLOGY CO LTD
Multi-station vertical numerical control reaming and honing machine and high-precision hole machining method
The invention relates to the related technical field of reaming and honing machines, in particular to a multi-station vertical numerical control reaming and honing machine and a high-precision hole machining method.The multi-station vertical numerical control reaming and honing machine comprises a cabinet body and further comprises a rotary table rotationally arranged in the cabinet body, a plurality of mechanical cradle floating tools used for loading workpieces are arranged on the rotary table at equal intervals along the circumference, and a plurality of machining stations are formed; a lifting table is arranged above the rotary table, and a plurality of cutters distributed at equal intervals along the circumference are arranged at the bottom of the lifting table; before and after the mechanical cradle floating tool executes the action, the mechanical cradle floating tool is divided into two machining stages, in the first stage, the elastic mechanism is in a locking state, in the second stage, the trigger mechanism can release the locking state of the elastic mechanism, the two clamping pieces elastically clamp the tool, and the machining efficiency is improved. The mechanical cradle floating tool can adapt to small changes of the surface of the workpiece, and the adaptability is further enhanced through introduction of elastic clamping, so that the machining precision is remarkably improved.
Owner:CATHAY PRECISION METAL PROD (WUXI) CO LTD
Reaming machine for machining inner hole of oil cylinder
The invention relates to the technical field of reaming, in particular to a reaming machine for machining an inner hole of an oil cylinder. A chuck is fixedly connected to a workbench, a part for cutting and flushing is arranged at one end of the chuck, and a sliding block is arranged at the other end of the chuck; the reciprocating threaded rod is connected with a driven gear, the driven gear is meshed with a driving gear, the driving gear is fixedly connected with a supporting shaft, the supporting shaft is rotationally connected with the workbench through a bearing, the workbench is rotationally connected with a connecting shaft and a driving shaft through a bearing, and the connecting shaft is fixedly connected with a first incomplete gear. The driving shaft is fixedly connected with a second incomplete gear, the first incomplete gear is meshed with the driving gear, the second incomplete gear is meshed with the driven gear, and the connecting shaft and the driving shaft are driven by a same-direction driving mechanism. According to the invention, the hole wall is prevented from being scratched, and the smoothness of the hole wall is ensured.
Owner:YUANCHUANGLI (FUPING) INTELLIGENT MANUFACTURING CO LTD
Five-star foot reaming device
The five-star foot reaming device comprises a machining table, a clamp and a cutting mechanism, the clamp is connected with the machining table in a transverse sliding mode, the cutting mechanism is arranged on the machining table, and the cutting mechanism comprises a longitudinally-sliding reamer and a driving assembly for driving the reamer to move close to or away from the machining table. The clamp slides between a taking and placing position and a machining position, and when the clamp is located at the machining position, the center of the clamp is located on the moving path of the reamer. According to the five-star foot reaming device, the five-star foot is automatically reamed, the machining efficiency is high, and the product consistency is good.
Owner:JINHUA CALET AUTOMATION TECH
Hydraulic valve sleeve clamping device and machining apparatus
The present application belongs to the field of valve sleeve processing, and particularly relates to a hydraulic valve sleeve clamping device and processing equipment to solve the problem that three-jaw clamping is easy to cause damage to the outer wall of the hydraulic valve sleeve, which comprises a clamping assembly and a connecting base, the clamping assembly comprises two clamping plates and a plurality of limiting pieces, the plurality of limiting pieces are respectively arranged on the two clamping plates, the two clamping plates are sleeved on the hydraulic valve sleeve, the relative positions of the clamping plates and the hydraulic valve sleeve are fixed through the limiting pieces, the connecting base is provided with a mounting groove, and the two clamping plates are inserted into the mounting groove after being sleeved on the hydraulic valve sleeve, and the relative positions of the clamping plates and the connecting base are fixed through the limiting pieces. The present application has the advantages that the clamping plates are sleeved on the hydraulic valve sleeve, the clamping plates and the hydraulic valve sleeve are connected into a whole through the limiting pieces, then the clamping plates and the connecting base are connected into a whole, the outer wall of the hydraulic valve sleeve is uniformly stressed when being fixed, damage is not easy to occur, and the fixing effect is good.
Owner:JIUJIANG QISUO PRECISION ELECTROMECHANICAL TECH CO
Three-hole group hinge
The utility model discloses a three-hole group hinge, which relates to the technical field of reaming, and comprises a connecting flange, the lower surface of the connecting flange is fixedly connected with a connecting rod, the other end of the connecting rod is fixedly connected with a fixed disc, the upper surface of the fixed disc is provided with a circular groove, and the port of the circular groove is provided with a mounting cover. A servo motor is fixedly connected to the upper surface of the mounting cover, a rotating shaft is fixedly connected to the output end of the servo motor, a driving bevel gear is fixedly connected to the outer surface of the lower portion of the rotating shaft, a sliding groove is formed in the lower surface of the fixing disc, a sliding block is slidably connected to the surface of the sliding groove, and a driving motor is mounted on the lower surface of the sliding block; according to the three-hole reaming machine, the positions of the three reamers are adjusted, the three-hole reaming machine can be suitable for reaming of different workpieces with three holes distributed circumferentially and equidistantly, the three holes can be reamed at the same time, and the purpose of improving work efficiency and applicability is achieved.
Owner:MIANYANG ZHONGLIAN MASCH MFG CO LTD
Driving wrench of machine reamer
The utility model discloses a driving wrench of a machine reamer, which belongs to the technical field of reamer wrenches, and comprises a handle, a driving rod, a driving rod and a driving rod, the connecting sleeve is detachably arranged on the mounting seat, the connecting sleeve is used for mounting a machine reamer, and the connecting sleeve is provided with an outer gear ring; the gear ring is detachably connected with the connecting sleeve; the two clamping jaw pieces are installed at the upper end and the lower end of the installation base correspondingly and engaged with the gear ring and the outer gear ring correspondingly. The reset mechanism is arranged on the mounting seat; according to the scheme, reaming operation can be completed only by rotating the handle clockwise and anticlockwise in sequence, the mode is different from the current mode that a T-shaped reamer needs to be rotated by two hands to enable a manual reamer to rotate for reaming, operation is easy and convenient, the reaming efficiency is remarkably improved, and the machining progress is accelerated; and the other hand can hold the machine reamer, the reaming stability and the reaming quality can be improved, and meanwhile, the driving wrench can be used in many narrow spaces and is high in flexibility.
Owner:HEFEI RONGAN HEAVY MASCH CO LTD
Transportable machinery for precision mechanical machining in situ
PCT designated stageWO2025257684A1Drilling/boring measurement devicesBoring barsMachine toolMachining
Transportable machinery (1) for precision mechanical machining, comprising: • - an anchoring plate (3) acting as a centering system; • - a tube-holder (20) fixed to said plate; • - a tube (21), inserted in said tube-holder • - at least a stabilization rest (23), positioned along the tube to reduce vibrations; • - a screw movement system, which allows the sliding of the tube inside the tube-holder; • - a spindle shaft (22), inserted in the tube and equipped, on one side, with a mechanical connection (24) for a motor which activates the rotation thereof and, on the other side, with a fixing system for a machining tool; the shape of said machinery can be inscribed in a parallelepiped with maximum dimensions of 4000mm x 1500mm x 1500mm, these dimensions allow the easy transport thereof without reducing the precision thereof; said machinery is able to carry out machining on blind holes of great depth.
Owner:VENDITTI GIOVANNI SRL
Disassembly-free coaxial reaming tool and method suitable for multi-specification machine
The invention belongs to the field of aircraft assembling and manufacturing, and provides a disassembly-free coaxial reaming tool and method suitable for multi-specification aircrafts. And the device is suitable for the disassembly-free in-situ coaxial broaching of the double-lug type support with the multi-specification hole diameter on the machine. The guider is matched with different support lug gaps, the drill bushing system is matched with different reaming apertures, and the variable-diameter guide pin can freely adjust the diameter of an inner guide rod. And the coaxiality of double-lug bracket holes with different specifications after reaming on a machine can be ensured. According to the device, the situation that the coaxiality error is enlarged when a support with the coaxiality requirement is subjected to broaching on a machine can be effectively avoided, dismounting operation caused by coaxial broaching in the assembling and maintaining process is effectively reduced, and the problem that the number of carried tools is too large due to different specifications of hole diameters in the operation process is solved by replacing accessories. And the economic consumption is reduced while the working efficiency of an operator is improved.
Owner:AVIC SAC COMML AIRCRAFT
Power tool and power tool accessories for cutting tubular members
A power tool accessory for cutting tubular members includes a housing, an input shaft configured to be coupled to a rotary power tool, a transmission, and a cutting head removably received in a front end of the housing. The transmission includes an input gear and an output gear with a first plurality of teeth. The cutting head has a central opening, a cutting blade protruding into the central opening, and a second plurality of teeth engaged by the first plurality of teeth. A clamp assembly coupled to the housing is moveable between a first position where the cutting head is removable from the housing and a second position where the cutting head is retained in the housing. The cutting head receives a tubular member in the central opening with the cutting blade engaging the tubular member to cut the tubular member as the cutting head rotates about the tubular member.
Owner:BLACK & DECKER CORP
An aircraft plug-in ear type door hinge hole finish machining device
The present invention provides a fine machining device for the hinge holes of aircraft plug-in ear type door hinges, which relates to the technical field of aircraft structural design and includes: a door frame bracket for pre-installing an aircraft door frame and installing door hinges on the aircraft door frame; a clamping assembly including a clamping joint, a driving assembly, and at least two locking assemblies. The driving assembly is located on one side of the door frame bracket, the locking assemblies are installed at the power output end of the driving assembly, and the clamping joint sequentially passes through each locking assembly and is movably connected to the power output end of the driving assembly; and a reaming assembly located on the side of the driving assembly away from the door frame bracket. Among them, the driving assembly drives the clamping joint to perform adaptive positioning and clamping on the door hinge in the length, width, and height directions. The fine machining device provided by the present invention can ensure the accuracy of the axial position of the hinge holes, thereby improving the matching degree after the assembly between the aircraft door and the aircraft door frame.
Owner:上海多弗众云航空科技有限公司
Reaming cutter
The invention relates to the technical field of machining tools, in particular to a reaming tool. The broaching tool comprises a tool handle and a cutting part which are connected, the cutting part comprises a first broaching tool, a second broaching tool and a third broaching tool which are connected to form a stepped structure, and the third broaching tool is connected with the tool handle. The diameters of the first expanding reamer, the second expanding reamer and the third expanding reamer are gradually increased, the machining amount of the second expanding reamer is larger than that of the first expanding reamer and that of the third expanding reamer, and the tool cutting edge angle of the second expanding reamer is larger than that of the first expanding reamer and that of the third expanding reamer. And the cutting part forms a stepped reaming cutter, so that the cutting force in the manual drilling process is reduced. The machining amount and the tool cutting edge angle of the cutting part have the characteristics that the head section is small, the middle section is large and the tail section is small, so that the single-step tool machining amount of the broaching tool is reasonably adjusted, and the hole forming efficiency of manual hole forming is guaranteed. And by reducing the cutting force of the third reaming cutter, the sudden change of the instant feeding amount of the heterogeneous laminated structure at an interface during manual drilling is reduced, and the drilling quality is improved.
Owner:SHANGHAI AIRCRAFT MFG