245 results about "Honing" patented technology

The invention discloses a multi-station cooperative hydraulic valve element inner hole fine polishing and rolling workbench which comprises a base, a lifting seat is arranged in the base, a controller is arranged on one side of the base, the multi-station cooperative hydraulic valve element inner hole fine polishing and rolling workbench further comprises a multi-station machining assembly, and the multi-station machining assembly is arranged in the lifting seat. The invention relates to the technical field of hydraulic valve element production equipment, hydraulic valve elements are fixed through fixing stations which are annularly distributed at equal intervals, and the hydraulic valve elements are sequentially conveyed to the positions below the machining stations, so that a multi-station machining array conducts corresponding machining operation on inner holes of the multiple hydraulic valve elements at the same time; and the workpiece is rotated and moved for multiple times, so that the inner hole of the hydraulic valve element is sequentially subjected to all procedures of preliminary honing, blowing cleaning and fine polishing rolling, the production procedures are simplified, the production efficiency and the machining precision of machining of the inner hole of the hydraulic valve element are remarkably improved, and therefore the requirement for large-scale production is met.

The invention discloses a design method of a complex shape modifying and finishing wheel and a honing wheel for internal meshing powerful gear honing, and relates to the technical field of machine manufacturing. The method comprises the following steps: establishing a trimming wheel tooth surface numerical model, and judging whether the modification amount of the trimming wheel tooth surface numerical model meets the modification requirement or not; if yes, establishing a space coordinate conversion relation and a conjugate meshing equation of the dressing wheel and the honing wheel, and establishing a honing wheel tooth surface numerical model in combination with the dressing wheel tooth surface numerical model; according to the space coordinate conversion relation between the workpiece gear and the honing wheel and the honing wheel tooth surface numerical model, a complex modification workpiece gear tooth surface numerical model is established, and whether the modification amount of the complex modification workpiece gear tooth surface numerical model meets the modification requirement or not is judged; and if yes, a dressing wheel three-dimensional solid model and a honing wheel three-dimensional solid model are established according to the dressing wheel tooth surface numerical model and the honing wheel tooth surface numerical model respectively. According to the method, precise design and verification of the complex shape modifying and finishing wheel and the honing wheel for powerful gear honing can be achieved.

The invention discloses precise honing equipment for a planetary reducer sun gear, and particularly relates to the field of sun gear finish machining, the precise honing equipment comprises a honing shell and an operation table fixedly connected in the honing shell, an angle adjusting assembly is installed on the operation table, and the output end of the angle adjusting assembly is connected with a first motor; the angle adjusting assembly is used for driving the first motor to move in the preset direction, the output end of the first motor is fixedly connected with a telescopic rod, the first motor is used for driving the telescopic rod to rotate, the telescopic rod is fixedly connected with a honing wheel, and the two sides of the operation table are fixedly connected with a first positioning support and a second positioning support correspondingly. Uniform radial expansion clamping is carried out from the inner hole of the sun gear through a conical rod-expansion block mechanism, centering clamping with the inner hole of a workpiece as the standard is achieved, clamping deformation is greatly reduced, the original precision of the workpiece is ensured, a reliable standard is laid for subsequent high-precision honing, and the yield is increased.

The present invention relates to the technical field of integrated boring and honing machine tools, and specifically to an intelligent integrated boring and honing machine tool for differential case processing, which effectively solves the problems of being unable to quickly change the boring and honing modes, being unable to protect non-working tools during use, and being unable to perform multi-directional positioning of the housing; the machine tool comprises a machine tool body, a guide frame is fixedly connected to the lower side wall of the machine tool body, a support frame is fixedly connected to the middle part of the upper end of the guide frame, a positioning assembly is provided in the support frame, a differential case is provided in the middle of the positioning assembly, and two left-right symmetrical protective shells are slidably connected to the upper end of the guide frame; the present invention can utilize the cutter disc to integrate the boring tool and the honing tool by arranging a cutter assembly, a rotating assembly and a cutter disc, the cutter assembly and the rotating assembly cooperate, and the tool is automatically switched and rotated by motor drive, without the need for manual replacement of the machine tool, reducing the time consumption of mode switching, realizing integrated boring and honing processing, and improving processing efficiency.

The utility model relates to steering oil cylinder inner hole honing equipment which comprises a base, an installation bottom plate is installed on the upper surface of the base, a plurality of hollow rotating shafts are rotatably installed on the upper surface of the installation bottom plate, a plurality of through grooves are coaxially formed in the hollow rotating shafts in an array mode, first wedge-shaped blocks are arranged in the through grooves, and pressing rings are arranged on the upper sides of the hollow rotating shafts. A plurality of second wedge-shaped blocks are installed on the lower surface of the pressing ring, the second wedge-shaped blocks are matched with the first wedge-shaped blocks, and a fixing mechanism is arranged between the pressing ring and the hollow rotating shaft; and a driving mechanism capable of driving the plurality of hollow rotating shafts to rotate simultaneously is arranged on the upper surface of the mounting bottom plate. The multiple oil cylinders are inserted into the multiple hollow rotating shafts respectively and fixed, then the driving mechanism drives the multiple oil cylinders to rotate at the same time, the first hydraulic cylinder drives the honing head to ascend and descend in the oil cylinders, and therefore the purpose of honing the multiple oil cylinders at the same time is achieved, the working efficiency is greatly improved, and the honing machine meets the machining requirement of batch production.

Provided is a drill that has excellent cutting blade durability and chip discharge. A cutting blade that is provided to a body of the drill has a chisel edge, a first blade, and a second blade. In plan view from a direction along the rotation axis, a boundary section where a boundary between the first blade and the second blade is located has a protruding shape toward the leading side in the rotation direction. The first blade has a first honing surface, the second blade has a second honing surface, and the chisel edge has a third honing surface. In plan view from a direction along the rotation axis, the width of the third honing surface decreases toward the outer periphery of the body, and the width of the first honing surface at the boundary section is smaller than the maximum value of the width of the first honing surface.

The finishing tool comprises a honing rod finishing unit and a thrust regulation and control unit, a thrust regulation knob in the thrust regulation and control unit is rotated to push a push piece seat to drive a push piece to move in the axial direction along a guide groove of a dresser mandrel sleeve in the honing rod finishing unit, and the honing rod finishing unit is driven to finish finishing of the honing rod. The pushing piece moves in the radial direction of the dresser core shaft sleeve to apply pushing force, and the to-be-dressed honing rod is tightly held by the dressing strip under the radial pushing force effect of the pushing piece; the honing machine is started to control the to-be-finished honing rod to do rotary motion and reciprocating linear motion relative to the precise finishing device of the honing rod, and finishing of the honing rod is completed; by means of the finishing method, dependence on skills of operators in the machining process is reduced, precise finishing of the honing rod can be conveniently and rapidly achieved, the finishing efficiency of the honing rod is improved, the service life is long, and automatic finishing of the honing rod is easy to achieve.

The invention discloses an inner circle surface cluster magnetic jet polishing device and method, and belongs to the technical field of polishing equipment.The magneto-rheological polishing and jet polishing are combined, that is, magneto-rheological polishing liquid is jetted out of a liquid outlet of a cluster magnetic jet polishing head at a high speed under the high-pressure effect, efficient jet rough polishing is conducted on the inner circle surface of a workpiece, and the inner circle surface is polished. And meanwhile, under the action of the magnetic field, the magnetorheological polishing liquid is converted into a magnetorheological polishing pad and a flexible clamping abrasive for secondary fine polishing, so that the problems of workpiece deformation and poor surface quality easily caused by traditional honing and polishing are solved, the defect of low efficiency of single magnetorheological polishing is overcome, and the polishing efficiency and the surface quality are improved. Besides, the device can adapt to workpieces with different diameters by replacing cluster magnetic jet polishing heads and workpiece discs with different sizes, and the machining requirements of the workpieces made of different materials are met by matching with adjustable polishing liquid pressure, flow and rotating speed parameters; due to the expanded double-station design, the machining efficiency is improved, and the machining requirements of high-quality inner circle surface parts are met.

The invention provides a design method of a full-life diamond roller for a powerful inner honing wheel. The design method comprises the steps that design parameters of the diamond roller are determined according to parameters of an outer gear and the inner honing wheel; the design parameters of the diamond roller comprise a normal modulus Mn, a circle dividing normal pressure angle Afn, a helix angle Bf2, a tooth number Z2, a displacement coefficient Xn2, an addendum circle diameter Deg2, a root circle diameter Dig2 and an effective starting circle diameter dyx2; and calculating the addendum circle diameter and addendum width of the diamond roller. According to the parameters of the new inner honing wheel and the old inner honing wheel, design parameters of the two sets of diamond rollers are determined respectively, and then the design parameters of the full-life diamond roller are obtained through intersection; the tooth crest width of the diamond roller is checked, it is guaranteed that the tooth crest does not become sharp, parameters of the diamond roller are optimized, the optimality of the honing process is guaranteed, the diamond roller is designed only in 20 minutes at present, and compared with dozens of hours in the prior art, efficiency is greatly improved, and the new product development period is shortened.

The present invention proposes a diamond tool for dressing an internal meshing honing wheel, the diamond tool comprising an annular tool base and a diamond layer disposed on the front side of the tool base; the diamond layer is coaxially fixed to the tool base; and a trimming bevel tooth is provided on the outer periphery of the diamond layer so that the end face tooth edges of the trimming bevel tooth are used to dress the honing wheel. The diamond tool of the present invention is an external tooth helical gear structure. When meshing and dressing the honing wheel, material is removed from the honing wheel only by relying on the end face tooth edges of the trimming bevel tooth on the diamond layer. The trimming bevel tooth has a trimming tooth profile, which can achieve tooth profile modification of the honing wheel. At the same time, the movement of the honing machine tool drives the diamond tool to achieve tooth direction modification of the honing wheel tooth surface. Since the tooth surface of the trimming bevel tooth does not contact the tooth surface of the honing wheel, it is suitable for dressing honing wheels with different tooth direction modification requirements.

The utility model relates to the technical field of honing clamps, in particular to a clamping device for a rounding honing head, which comprises a honing head body and a clamping assembly, the honing head body is transversely arranged on the cylindrical grinding machine, the honing head body is connected with the cylindrical grinding machine through the clamping assembly, the cylindrical grinding machine drives the honing head body to rotate, the cylindrical grinding machine rounds a honing head oil stone strip on the honing head body, a honing solution which is efficient, economical and easy to manage is provided, the overall competitiveness of the manufacturing industry can be improved, and the honing head is suitable for being popularized and used. And greater economic benefits are brought to enterprises.

The honing tool structure comprises a clamping sleeve and a fixing rod, the clamping sleeve is provided with a through hole allowing a part to be machined to penetrate through, the through hole is in clearance fit with the outer wall of the part to be machined, the peripheral face of the clamping sleeve is provided with a threaded hole, the threaded hole is communicated with the through hole, one end of the fixing rod is provided with external threads, and the other end of the fixing rod is provided with external threads. The external thread is connected with the threaded hole in a matched mode, after connection, the end of the external thread abuts against and is fixed to the to-be-machined part, after fixing, an operator can conveniently sleeve the inner hole of the to-be-machined part on the honing head by holding the fixing rod with the hand to conduct honing machining, operation is convenient, and meanwhile the safety risks such as falling of the part are greatly reduced.

The invention relates to the technical field of mechanical manufacturing and machining, in particular to a dressing wheel and honing wheel design method for improving contact line stability in the gear honing machining process. Based on workpiece gear parameters, a left and right tooth surface mathematical model is established, a honing process space coordinate conversion relation is established, a conjugate meshing relational expression is derived by combining the relative slip speed of meshing contact points and a normal vector, and a tooth surface contact line model is established; and the calculation modeling of the two-dimensional projection of the left and right tooth surface contact lines, the projection intersection point position and the variation under the same rotation angle is realized. And a honing wheel dressing contact line model under dressing wheels with different tooth numbers and a tooth surface contact line intersection projection model in the dressing and honing process under the tooth number difference are established. A honing wheel and variable tooth number dressing wheel design method is provided, and geometric and technological parameters of the honing wheel and the variable tooth number dressing wheel are determined; and a trimming and honing two-degree-of-freedom conjugate meshing relation and a modified tooth surface numerical model are constructed and verified, discretization and point cloud processing are conducted on the model, high-precision tooth surface point cloud is obtained, and accurate machining of a trimming wheel and a honing wheel is guided.

The invention discloses a pressure self-adaptive regulation and control method for an oil pressure driving honing head, and relates to the technical field of honing head pressure control evaluation, and the method comprises the steps: integrating multi-source sensor data, including honing head vibration amplitude, oil pressure system pressure fluctuation frequency and main shaft motor load current, and comprehensively calculating a honing state index; therefore, the processing state is accurately evaluated. The method has the technical effects that early-stage signs of abnormal machining can be automatically identified, for example, safety, early warning and abnormal states are distinguished through threshold interval division of honing state indexes, and corresponding pressure adjustment strategies are executed. The current pressure is maintained in the safe state, proportional regulation and control are carried out in the early warning state to slightly correct the pressure, and great adjustment or emergency shutdown measures are taken in the abnormal state, so that machining quality reduction or equipment damage caused by pressure inadaptation is effectively avoided. According to the method, continuous self-adaptive regulation and control in the machining process are achieved, the manual intervention requirement is reduced, the honing precision, the equipment reliability and the production efficiency are improved, meanwhile, the fault risk is reduced through the early warning and shutdown functions, and the method is suitable for high-requirement precision machining scenes. And monitoring and adjustment are executed circularly, so that the stability and consistency of the whole machining process are ensured.

The invention relates to the technical field of hidden line honing machining, in particular to a self-deflection shape follow-up guiding ultrasonic honing device for hidden line machining. In order to solve the problems of poor honing processing quality and low processing efficiency caused by unstable attachment of oilstone and the side surface of a shady line and fluctuation of grinding force when a shady line honing processing device in the prior art is used for processing the shady line, the invention provides a novel self-deflection follow-up guide ultrasonic honing device for processing the shady line. Comprising a self-deflection shape follow-up guide honing mechanism, an ultrasonic vibration mechanism and a spherical hinge mechanism. The self-deflection shape follow-up guide honing mechanism comprises a honing shell, an expansion core and a plurality of inclined blocks. An auxiliary seat is arranged above each inclined block, a center bolt is arranged in the middle of the position between each auxiliary seat and the corresponding inclined block, a torsional spring is arranged on each center bolt in a sleeved mode, and a profiling oilstone is fixed to each auxiliary seat. It is ensured that the side wall of the profiling oilstone is attached to the side face of the negative line through torsion spring compensation, and the surface roughness is effectively reduced.

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 discloses a device and method for free honing machining of a straight tooth inner gear ring. The device comprises a three-axis vertical machine tool, a honing wheel clamping cutter handle, a cylindrical spiral gear honing wheel, a gear ring clamping structure, a gear ring clamp center positioning ring, a gear ring clamp rotary table, a gear ring clamp rotary table main shaft, a gear ring clamp dip angle adjusting seat, a gear ring clamp base positioning reaming hole, a gear ring clamp dip angle fixing screw and a gear ring clamp dip angle adjusting seat hinge pin. The gear ring clamp comprises a gear ring clamp base, a dip angle positioning reference cylinder and a dip angle positioning column. Free honing machining of the straight tooth inner gear ring is achieved through cooperation of movement of a common three-axis vertical machine tool and the design of a special clamp, and the equipment cost of honing machining is reduced; through the ingenious design based on the dip angle positioning column and the dip angle positioning reference column, honing of a straight tooth inner gear ring of a non-parallel shaft is achieved, and the problem that in traditional parallel shaft honing, tooth-direction textures are likely to exist on the tooth profile surface through rotation and axial reciprocating motion is solved in a low-cost mode.

The utility model discloses a double-feeding honing head with a universal adjusting function, and relates to the technical field of honing machines. The double-feeding honing head with the universal adjusting function comprises a honing shell and an oilstone assembly, the oilstone assembly comprises a honing frame, a convex edge, oilstone, a first limiting ring, a second limiting ring, replaceable oilstone, a filling piece, a bolt and a limiting column, and the honing frame is fixedly connected to the bottom of the honing shell; the convex edges are fixedly connected to the outer surface of the honing frame at equal intervals in a circular array mode, the oilstones are slidably connected to the interiors of the convex edges, after new replacement oilstones and new filling pieces are replaced, bolts are installed in the oilstones in a threaded mode, replacement of the replacement oilstones and the filling pieces can be achieved, replacement can be directly conducted, the honing head does not need to be overall disassembled, and the replacement efficiency is improved. The oilstone is simple in structure, convenient to operate, time-saving and labor-saving, and solves the problems that the oilstone in the prior art is generally of an irregular sheet structure, the polished surface is not easy to replace after being damaged, and use is affected.

The application provides a round pipe joint honing clamp and relates to the field of fluid honing clamps. The round pipe joint honing clamp comprises a device shell, two honing assemblies arranged in an up-down mode, two groups of hydraulic assemblies, a correction assembly and an extension assembly. One end of the hydraulic assembly is mounted in the inner wall of the device shell, the other end of the hydraulic assembly is connected with the corresponding honing assembly, the correction assembly is arranged between the two honing assemblies, one end of the extension assembly is connected with the honing assembly above, and the other end of the extension assembly is connected with the correction assembly. The round pipe joint honing clamp can be inserted into a stepped ring and be in the most suitable stepped ring by using the correction assembly and using repeated inertia and making the round pipe joint rotate autonomously, so that the sealing degree is higher during later honing. The clamp is suitable for round pipe joints with various diameters, the conversion efficiency is higher during automatic machining, and the good sealing performance can be ensured during efficient honing.

The application discloses a high-bearing low-noise special gear precision machining process, which comprises the following steps: precision die forging and isothermal normalizing, double-reference composite finish turning, self-adaptive roll-scrub composite near-net forming, segmented and partial-pressure gradient carburizing and quenching, deep cryogenic graded aging, reference reconstruction flexible honing polishing, pulse laser shock strengthening, tooth root fillet roll strengthening, full-parameter precision detection, hierarchical selection and micro-correction. The application solves the problems of large deformation, low precision, poor fatigue and high noise in traditional processes through the synergistic control of forming-stress-precision-surface morphology, and the special tooth profile is stably up to DIN 4-5 level, the tooth surface is Ra≤0.2 microns, the fatigue life is increased by more than 60%, and the noise is reduced by 6-10 dB. The process combination is not obvious and has outstanding creativity, and is suitable for high-precision batch manufacturing of special gears of high-end equipment such as new energy vehicles and high-speed heavy-duty transmission.

The invention relates to the technical field of surface treatment, in particular to a laminated dimensional coating for prolonging the service life and improving the reliability of the inner surface of a cylinder sleeve and a preparation method thereof. The honing technology is adopted for machining the honing lines which are crossed in the transverse dimension and the longitudinal dimension on the surface of the cylinder sleeve, the micro roughness of a micro platform and the honing lines is reduced through sand blasting treatment, and the inner surface of the cylinder sleeve is subjected to nitriding treatment through the plasma nitriding technology; the Si layer, the Si-C transition layer and the Si / DLC-based solid lubricating film are injected into a tiny platform and honing lines of the cylinder sleeve through the plasma chemical vapor deposition technology. Through the steps, the multi-dimensional and multi-layer superposed dimensional coating is constructed in the tiny platform and the honing lines on the surface of the cylinder sleeve, the reliability of the cylinder sleeve can be improved in a multi-dimensional and multi-layer mode, and the service life of the cylinder sleeve can be prolonged in a multi-dimensional and multi-layer mode.

The invention discloses an internal meshing powerful gear honing tooth surface temperature field calculation method based on a superposition point heat source, and belongs to the technical field of gear machining and manufacturing. Comprising the steps of constructing a tooth surface equation and a honing machining coordinate system, calculating a relative speed vector between a gear and a honing wheel in the honing machining process, determining a tooth surface contact point based on the meshing principle according to the relative speed vector between the gear and the honing wheel, calculating the heat flux density at the tooth surface contact point, and obtaining a continuous tooth surface contact line heat source based on the heat flux density. On the basis of the point heat source superposition principle, contact point heat sources of the whole tooth surface are superposed, and the temperature rise generated by the whole tooth surface to a target point in the honing machining process is calculated. According to the method, the dynamic gear honing machining process is accurately simulated, the problem that a traditional temperature field method is not applicable is solved, through high-precision calculation, gear surface burning can be effectively prevented, the technology is optimized, residual stress is predicted, a key tool is provided for improving gear quality, and the method is efficient in calculation and convenient for engineering application.

The invention relates to the technical field of gear machining, and discloses an internal gearing powerful gear honing tooth surface residual stress field calculation method based on force-heat coupling. The method comprises the following steps: establishing a honing motion coordinate system to calculate three-dimensional coordinates and relative speed of a contact point, and constructing a three-dimensional to two-dimensional coordinate mapping mechanism; constructing a tooth surface temperature field model based on the relative speed, the correction of heat taken away by cuttings and the point heat source superposition principle; respectively solving mechanical and thermal load stress fields based on the two-dimensional coordinates and the temperature field, and superposing to obtain total elastic stress; and an elastic-plastic constitutive relation and a yield criterion are introduced, stress relaxation calculation is performed through a step-by-step unloading method and a plastic release stress balance equation, and the final residual stress is obtained. The method solves the problems of lack of force-heat coupling mechanism analysis and insufficient stress evolution calculation precision in the prior art, and realizes accurate prediction of the internal meshing gear honing residual stress.

The invention discloses a machining technology of a precise deep hole part. The machining technology comprises the following steps that S10, blanking is conducted; s20, solid solution aging; s30, roughly turning an outer circle and chamfering; s40, a middle hole is drilled through a gun; s50, roughly turning the appearance; s60, stress relief aging is carried out; s70, roughly turning the outer circle; s80, the small end is subjected to semi-finish turning; s90, the large end is subjected to semi-finish turning; s100, honing an inner hole; s110, the outer circle is finely ground; and S120, the two ends are subjected to finish turning, and the precise deep hole part is obtained. Compared with the prior art, the technology has the following beneficial effects that 1, the technology is adopted for machining, and the requirement for the coaxiality of 0.02-0.03 of the outer circle of a deep hole in a drawing can be met after machining; 2, the coaxiality of the center hole and the outer circle after gun drill machining can be effectively rectified by adopting the expansion sleeve clamp to roughly turn the outer circle, the subsequent outer circle grinding allowance is reduced, and the machining efficiency is improved;

The utility model discloses a honing machine clamping mechanism which comprises a base, two first lead screws are rotationally connected to the top of the base in a sleeved mode, a first rotating mechanism used for driving the two first lead screws to rotate synchronously is installed in the base, and bosses are connected to the first lead screws in a sleeved mode through threads. An annular lifting seat is fixed between the two bosses, an annular first fixing seat is fixed to the top of the lifting seat, four first sleeves arranged in a circumferential array are slidably connected into the first fixing seat in a sleeved mode, the cross section of each first sleeve is rectangular, and a second lead screw is connected into each first sleeve in a sleeved mode through threads. The second lead screw is rotationally sleeved with a second fixing base, and the second fixing base is fixed to the top of the lifting base. According to the honing device, it can be guaranteed that clamping can be conducted in place in all directions, adjustment can be conducted according to the machining position, and accurate honing can be conducted on a workpiece.

The utility model discloses a length-adjustable honing rod modular connecting mechanism, which relates to the technical field of honing rods, and comprises a first honing rod, the inside of the first honing rod is hollow; the second honing rod is connected to the interior of the first honing rod in a sliding manner; the connecting structure is arranged outside the second honing rod; the connecting structure comprises a first connecting block, a second connecting block, a third connecting block and a connecting bolt. The exterior of the first connecting block is fixedly connected with the exterior of the second honing rod, and the side face of the first connecting block is fixedly connected with the side face of the second connecting block. By means of the multi-stage adjusting design of the first connecting hole and the second connecting hole and the combination of the quick locking and unlocking functions of the connecting bolt and the nut, the length of the honing rod can be quickly and accurately adjusted, the requirements of workpieces with different machining hole diameters and depths are met, and honing machining adaptability and efficiency are greatly improved.

The invention discloses a piston ring double-shaft ring surface honing device, and belongs to the technical field of piston ring machining, the device comprises a supporting seat, a honing rack is mounted at the top of the supporting seat, an inner cavity of the honing rack is connected with a telescopic curtain through a lifting assembly, the surface of the telescopic curtain is fixedly connected with a fixing plate, and the fixing plate is fixedly connected with the supporting seat. And a motor is mounted on the front side of the fixed plate through a bearing seat. The distance between the two arc-shaped plates is adjusted by rotating a nut, a piston ring is placed between the two arc-shaped plates to be fixed, then the upper face and the lower face of the piston ring are honed through matched use of a motor, a honing abrasive strip and a lower honing shaft, after honing is completed, an adjusting cap is rotated, a sliding sleeve, a linkage plate and a cross rail are matched, and the piston ring is honed. The piston ring is arranged on the surface of the honing abrasive strip in a sleeving mode, then the honing ring is installed in an inner cavity of the installation sleeve, then the clamping jaw can clamp and fix the bearing block, and finally the honing abrasive strip can drive the piston ring to rotate in the inner cavity of the honing ring to conduct honing on the outer circle face of the piston ring.

The utility model relates to the technical field of alloy cutters, in particular to a hard alloy cutter for high-precision hole machining, which comprises a cutter handle, a honing section is mounted on the outer wall of the cutter handle, and a reaming and honing transition section is arranged on the outer wall of the cutter handle and above the honing section. A reaming and honing transition section is arranged on the outer wall of the cutter handle, a reamer section is connected to the position, above the reaming and honing transition section, of the outer wall of the cutter handle, a drilling and reaming transition section is arranged on the position, above the reamer section, of the outer wall of the cutter handle, and a drill bit section is arranged on the position, above the drilling and reaming transition section, of the outer wall of the cutter handle. The honing section, the drill bit section and the reamer section in the device are used for machining, and the problems that an existing hard alloy cutter cannot complete drilling, reaming and honing machining at a time, multiple sets of cutters need to be used in cooperation, production efficiency is low, cost and equipment investment are large, machining precision and stability are poor, and machining cost is high are solved. And high surface quality cannot be achieved.

The invention relates to the technical field of honing machining of marine diesel engine valve seat parts, and discloses a special tool for honing machining of valve seat parts, which comprises a positioning base, screws, pressing plates, limiting bolts and limiting nuts, the screws are in threaded connection with the top of the positioning base, the limiting bolts are arranged at the two ends of the top of the positioning base, and the pressing plates are arranged on the limiting bolts. And the pressing plate is arranged outside the limiting bolt in a sleeving mode, the outer portion of the limiting bolt is in threaded connection with a limiting nut, a limiting hole is formed in the top of the positioning base, a machined part is slidably connected into the limiting hole, and the machined part can be limited through the limiting hole. According to the special tool for honing machining of the valve seat part, quick disassembly of the device is achieved by rotating the limiting nut, the situation that in a traditional bolt installation mode, workers need to repeatedly rotate bolts to fix the device is avoided, and then the overall machining speed of the device is greatly increased.

The invention discloses large-stroke honing equipment which comprises a machine base, a workpiece clamping assembly, a honing assembly, a moving assembly, a driving assembly and a power source controller. The machine base comprises a bottom plate, an I-shaped base and stand column channel steel. The workpiece clamping assembly comprises a positioning column and a positioning and clamping mechanism. The honing assembly comprises a diamond honing head, a honing head fixing device and a honing connecting rod; the moving assembly comprises a linear guide rail, a sliding block, a connecting plate, a knuckle bearing and a connecting rod. The driving assembly is arranged on the top of the stand column steel channel and used for driving the honing connecting rod to linearly move up and down. According to the invention, the rotation motion of the large turntable driven by the driving speed reducer is converted into the vertical linear motion of the honing connecting rod, and the honing connecting rod drives the diamond honing head at the lower end to automatically and linearly move up and down in the arc groove of the workpiece, so that the long-stroke vertical honing of the arc groove of the inner hole of the slender workpiece is realized, and the honing working efficiency is greatly improved; and the size precision, the straightness and the surface roughness of the inner arc groove of the workpiece are effectively ensured.