190results about "Honing tools" patented technology

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 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.

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 relates to a zirconia ceramic pump body deep hole nanoscale honing process and honing head, and the zirconia ceramic pump body deep hole nanoscale honing process comprises the steps that a composite honing head with a coarse grinding section and a fine grinding section is adopted, and a preset gradient machining process is executed on a target zirconia ceramic pump body; according to the zirconia ceramic pump body deep hole nanoscale honing process and the composite honing head, the gradient machining process is combined with the design of the composite honing head, machining parameters, cooling liquid types and temperature control strategies are dynamically adjusted at different stages, the whole process optimization from rough machining to superfinishing is achieved, and the machining efficiency is improved. The method has the effects of improving the machining efficiency, reducing surface defects and avoiding thermal stress cracks.

The utility model discloses a honing machine which comprises a walking trolley, a rotating motor and a telescopic oil cylinder, the rotating motor and the telescopic oil cylinder are connected with the walking trolley, the rotating motor is connected with a rotating shaft through a reduction gearbox, the rotating shaft is connected with a honing head through a connector and drives the honing head to rotate, and a guide rod is slidably connected in the rotating shaft and extends out of the rotating shaft to be connected with the telescopic oil cylinder and the interior of the honing head. The honing head is controlled to expand and contract along with the reciprocating driving of the telescopic oil cylinder; the honing head comprises a honing body, an adjusting cavity is formed in the center of the honing body, a movable shaft is arranged in the adjusting cavity, a conical adjusting piece is arranged on the movable shaft, a pin hole corresponding to the conical adjusting piece is outwards formed in the honing body, an adjusting pin is arranged in the pin hole, one end of the adjusting pin abuts against the conical adjusting piece, and the other end of the adjusting pin is arranged on the outer side of the honing body and connected with an oilstone. The honing head can be conveniently used and operated, and the honing head can be flexibly controlled to be unfolded and folded.

The invention belongs to the technical field of honing equipment, and discloses a honing machine for machining an engine cylinder block. The honing machine for machining the engine cylinder block comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a top plate through four vertical rods, a reciprocating hydraulic cylinder is fixedly installed in the middle of the top plate, and the honing machine is characterized in that the output end of the reciprocating hydraulic cylinder extends to the lower side of the top plate and is fixedly connected with a machine box, and a driving motor is fixedly installed in the machine box. Compared with the prior art, according to the honing machine for machining the engine cylinder block, the design of the waste discharging mechanism is utilized, the bottom of a cylinder hole in the cylinder block can be sealed, cutting fluid mixed chippings are continuously extruded towards the waste discharging bowl through vertical reciprocating motion of the honing head, waste liquid is rapidly discharged through the waste discharging pipe, the waste liquid can be efficiently collected, and the honing machine is high in practicability. And waste liquid generated in the honing machining process is prevented from polluting the cylinder body and the machining environment, and the problems proposed in the background technology are solved.

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 invention relates to the technical field of ceramic sleeve machining, and discloses a ceramic sleeve inner hole grinding device based on an ultrasonic vibration auxiliary structure, which comprises a machine base with a workbench, a supporting plate fixedly connected to the machine base is arranged at the lower end of the workbench, a connecting sleeve rod is arranged below a main shaft of the machine base, and a honing head body is clamped at the lower end of the connecting sleeve rod. The machine base and the connecting sleeve rod are jointly provided with an ultrasonic vibration part. The ceramic sleeve inner hole grinding device based on the ultrasonic vibration auxiliary structure can effectively solve the problems that in the prior art, ceramic sleeve cracking can be caused by too large grinding force or instant impact; the problems that clamping is not easy when horizontal honing is adopted, oilstone on the lower portion bears larger cutting force under the action of the gravity of a ceramic sleeve, abrasion of the oilstone is uneven, and ceramic abrasive dust is difficult to effectively discharge, oilstone air holes are prone to being blocked, the grinding efficiency is reduced, friction heat generation is intensified, and the machined surface is scratched when vertical honing is adopted in the prior art are solved.

The invention relates to the technical field of cylinder sleeve honing, and discloses a vibration suppression grinding head in the cylinder sleeve inner hole grinding process, the vibration suppression grinding head comprises a honing head body, the honing head body is composed of a honing head body, a rough honing sliding rod, a fine honing sliding rod, a rough honing oilstone base, a fine honing oilstone base and a sealing cover, and a honing head connecting rod body is arranged on the upper side of the honing head body; a transmission sliding rod is installed in the honing head connecting rod body in a sliding mode, and a rotating connector with the inverted-T-shaped section is rotationally installed at the lower end of the transmission sliding rod. The vibration suppression grinding head in the grinding process of the inner hole of the cylinder sleeve can effectively solve the problems that in the prior art, the rough honing oilstone and the fine honing oilstone need to be independently driven to control radial feeding, so that the machining cost is high; the rough honing oilstone and the fine honing oilstone are mostly mounted on an oilstone base through a metal binder or a bolt fixing mode, the cost of oilstone replacement consumables is high, the steps are tedious, time and labor are consumed during replacement, and then the working efficiency of the double-feeding honing head is affected.

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.

Tool (5) for machining a workpiece (4), comprising: - a tool shank (12) rotatable about a rotary axis (10), - a cutting device (13) arranged on the tool shank (12) with: - at least one pre-cutting element (14) and - at least one post-cutting element (15),- a first slide unit (8) for displacing the at least one pre-cutting element (14) relative to the tool shank (12) with -- a first output body (25) connected to the at least one pre-cutting element (14) and -- a first drive body (23) interacting with the respective first output body (25) via a first drive surface (24) and - a second slide unit (9) displaceable relative to the first slide unit (8) for displacing the at least one re-cutting element (15) relative to the tool shank (12) with -- a second output body (29) connected to the at least one re-cutting element (15) and -- a second drive body (27) interacting with the respective second output body (29) via a second drive surface (28), wherein the first drive surface (24) and the second drive surface (28) overlap each other in an orthogonal projection onto a transverse plane to the axis of rotation (10), thereby characterizedthat a maximum feed path (s1, s2) of at least two of the output bodies (25, 29) is different.

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.

The invention relates to the technical field of bearing machining equipment, and discloses bearing inner and outer ring finish machining equipment which comprises an outer shell, a driving assembly is connected to the bottom end of the inner wall of the outer shell, circular shafts are connected to the middle end of the driving assembly, and lifting assemblies are connected to the ends, away from each other, of the circular shafts; the ends, close to each other, of the circular shafts are connected with the same strip-shaped rod, and motor frames are slidably arranged at the two ends of the strip-shaped rod correspondingly. Through the oilstone wheel and the inner supporting mechanism which are connected through the transmission shafts at the two ends of the double-shaft motor, the bearing inner ring and the bearing outer ring can be synchronously machined at the same time, equipment consumption is reduced, and the oilstone wheel can be driven by driving of the driving assembly to align a roller path of the bearing outer ring, a roller path of the bearing inner ring and an oilstone ring; and in cooperation with multi-angle adjustment of the upper adjusting assembly, machining of different steps can be carried out at the same position of the same equipment, the machining time consumption is greatly reduced, and then the machining efficiency is improved.

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 present invention discloses a honing head circularity structure, a grinding tooling and a method thereof, including: a support structure, a tooling structure and a grinding structure. The support structure includes a support bottom plate. A strip-shaped groove is formed in the center of the upper end of the support bottom plate. A first slider and a second slider are slidably connected in the strip-shaped groove. The upper ends of the first slider and the second slider are respectively connected with a first mounting plate and a second mounting plate. A first motor is fixedly connected to the upper end of the first mounting plate. A disc is fixedly connected to the outer side of the driving shaft of the first motor. A first thimble is fixedly connected to the side wall of the disc. A square plate is fixedly connected to the upper end of the second mounting plate. A second thimble opposite to the first thimble is fixedly connected to the side wall of the square plate. By means of one-time clamping and in-process adjustment, the present invention can complete the circularity of the coarse and fine abrasive strips. Through the built-in adjusting rod, the circularity body directly connects the honing head with the machine tool thimble, and the circularity accuracy is high.

To provide a honing tool capable of simultaneously and highly accurately grinding respective inner walls of a plurality of workpieces.SOLUTION: The hone tool 1 includes a grind part 13, a tool body 12 which has a long cylindrical shape and in which four slit J1 extending along a cylindrical shaft 12a direction and into which the grind part 13 is inserted are provided at an end on a - Z direction side, and an end on a + Z direction side is fixed to a rotary main spindle, and an extension rod inserted into the tool body 12. The tool body 12 has two guide parts 121, 122 provided on both sides of the slit 12a in the longitudinal direction. The guide portions 121 and 122 include four first grooves 121b and 122b extending in the direction of the cylinder axis J1 on the side walls thereof, and four second grooves 121a and 122a spirally extending around the cylinder axis J1 between the four first grooves 121b and 122b of the side walls.SELECTED DRAWING: Figure 3

The utility model discloses a honing head for a vertical honing machine, and relates to the technical field of mechanical cutters. The honing head for the vertical honing machine comprises a honing head component I and a honing head component III, the connecting assembly is arranged on the first honing head part and the third honing head part and comprises a second honing head part, two first screws, two second screws, a first clamping groove, two first threaded holes, a first clamping strip, two second threaded holes, two third threaded holes, a second clamping strip, two fourth threaded holes and a second clamping groove, and the second clamping groove is formed in the third honing head part. The first clamping groove is formed in the first honing head component, by arranging the second honing head component in the connecting assembly, when the first honing head component is clamped on a workpiece, the two first screws and the two second screws are detached, and therefore the second honing head component is detached; therefore, the first honing head component can be abandoned, the third honing head component and the second honing head component can be reserved, and loss caused by jamming is reduced.

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 embodiment of the invention provides a beta-SiC flat-top honing oilstone as well as a preparation method and application thereof, and the beta-SiC flat-top honing oilstone is prepared from the following raw materials in parts by weight: 40-80 parts of beta-SiC micro powder, 20-40 parts of silicon carbide powder, 4-12 parts of potassium feldspar powder, 1-5 parts of clay powder, 4-12 parts of borosilicate glass, 1-3 parts of quartz powder, 2-5 parts of dextrin powder and 3-10 parts of a pore forming agent. The beta-SiC flat-top honing oilstone disclosed by the embodiment of the invention has the advantages of high hardness, strong wear resistance, high grinding efficiency, strong self-sharpening property, no iron scrap adhesion, good cobwebbing consistency, long service life and the like, and when flat-top honing is carried out, an engine cylinder body can have good motion supporting property, the running-in time of an engine is shortened, and the service life of the engine is prolonged; and the platform is uniform in reticulate pattern, good in roughness consistency, long in service life, wear-resistant, high-temperature-resistant and low in manufacturing cost.

The utility model discloses a high-precision single oilstone expansion type honing tool which comprises a fixing assembly and a honing oilstone. The number of the honing oilstone is only one, and the single honing oilstone is installed on the fixing assembly. The single honing oilstone is used for honing the workpiece, and compared with the design of a plurality of honing oilstones, the problem that the honing roundness is out of tolerance can be avoided, so that the machining precision can be effectively improved. The honing tool and the main shaft of the honing equipment are in floating connection through the universal adapter, so that the problem of uneven stress of the honing tool caused by errors such as location degree, perpendicularity and straightness can be eliminated, and then micron-sized cutting allowance can be guaranteed, and the cutting process can be controlled.

The utility model discloses a multi-station super-finishing mechanism for machining an ultra-long partial groove inner ring, and relates to the technical field of machine tool equipment. The superfinishing machine comprises a base and a connector, an output shaft is rotationally arranged on the lower portion of the rear side of the base, the end of the output shaft is connected with a driving motor, a plurality of cams are arranged on the output shaft, a plurality of restorers corresponding to the cams one to one are arranged in the base in a sliding mode, and the lower ends of the restorers are matched with the cams. The upper ends of the restorers are matched with the connectors of all the stations, and when the output shaft rotates, the cams control the corresponding restorers to slide at the same time. Through a cam-restorer-connector transmission system, multi-station synchronous control is achieved, the machining efficiency is improved, it is ensured that actions of corresponding stations are coordinated and consistent, error accumulation is reduced, and the machining precision and consistency are improved; and by changing the deflection angle of the cam on the output shaft or adjusting the grouping strategy of the restorer, diversified machining requirements are easily met, and the universality and market competitiveness of equipment are enhanced.

Surface treatment tool, comprising an annular carrier substrate and a plurality of abrasive lamellae (4) connected to the carrier substrate (2) by a narrow side (6) in a contacting juxtaposition of their flat sides (7), at least some of which are nonwoven lamellae (4), characterized in that the carrier substrate is a flexible band (2), the ends of which point in the longitudinal extension of the band (2) are connected to one another to form a ring shape, and in that the nonwoven lamellae (4) are connected to the outwardly facing surface of the flexible band (2) by means of an adhesive connection with flexible material properties in a state in which their thickness is elastically compressed.

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.

The utility model relates to the technical field of honing rods, and discloses a replaceable honing rod based on module design, which solves the problem that a honing head is inconvenient to replace quickly at present, and comprises a main rod, a connecting rod is arranged on the outer side of the main rod, and the honing head is fixedly connected to one end, far away from the main rod, of the connecting rod. A connecting mechanism and a limiting mechanism are arranged between the connecting rod and the main rod, the connecting mechanism comprises a supporting rod fixed to the end, close to the connecting rod, of the main rod, the end, away from the main rod, of the supporting rod is attached to the end, away from the honing head, of the connecting rod, and two positioning plates are symmetrically and fixedly connected to the end, away from the honing head, of the connecting rod; two positioning grooves are symmetrically formed in the end, away from the main rod, of the supporting rod, the two positioning plates are inserted into the two positioning grooves correspondingly, and positioning rods are fixedly connected to the two positioning plates correspondingly; according to the honing head fixing device, the connecting rod and the supporting rod can be fixed, on the contrary, the connecting rod can be detached from the supporting rod, and therefore the honing head can be conveniently and rapidly replaced.

The invention provides a multi-precision honing head mechanism, and relates to the technical field of honing heads, the multi-precision honing head mechanism comprises a connecting sleeve, a mounting sleeve is mounted at the bottom of the connecting sleeve, a plurality of honing oilstones are uniformly distributed and mounted on the outer surface of the mounting sleeve, and a mounting mechanism for mounting the honing oilstones is arranged in the mounting sleeve. According to the invention, through the cooperation of the matching inclined surfaces and the inclined surfaces at the bottoms of the conical pressing block, the first conical sleeve and the second conical sleeve, when the conical pressing block, the first conical sleeve and the second conical sleeve are controlled to move, the first moving frame, the second moving frame and the third moving frame can be controlled to move respectively; the honing oilstones of different specifications can be switched to the machining positions for machining of different working procedures, machining of different working procedures can be completed without replacing the honing head or the honing oilstones, operation of tool changing and tool re-setting is avoided, the machining time is effectively saved, and the working efficiency is improved.

The application relates to the technical field of cylinder part machining, in particular to a post-casting forming treatment equipment for a high-temperature-resistant aluminum alloy cylinder body of an engine, which comprises a lifting table, a cutter expanding device, a cutter expanding rod, a honing head, a cutter, an oil stone and a control system, the lifting table is provided with the cutter expanding device and the cutter expanding rod, and a cutter core is slidably arranged in the cutter expanding rod. The adjusting piece is arranged, the distance between the supporting blocks is adjusted through the adjusting piece, the supporting blocks abut against the cutter, both ends of the cutter can be supported, cutter inclination is avoided, the uniformity of the grinding force at the cylinder hole and the special-shaped hole of the engine cylinder body can be ensured when the engine cylinder body is honed, the pressure sensor is arranged, the pressure sensor is electrically connected with the control system, the pressure sensor can control the start and stop of the adjusting piece, the adjusting precision of the position of the supporting block and the adjusting speed of the support can be improved, and the processing precision and the working efficiency of the treatment equipment are further improved.

The utility model relates to the field of honing rods, and discloses a multifunctional honing rod which comprises a honing rod body and a polishing head fixed at the bottom end of the honing rod body, a rotating sleeve is matched with the top end of the outer side of the polishing head in a threaded mode, and a plurality of installation grooves are formed in the lower portion of the rotating sleeve. A plurality of mounting grooves are formed in the outer side of the grinding head in a surrounding mode along the center of the grinding head, protruding blocks are fixed in the mounting grooves, grinding stones are mounted in the mounting grooves, and the rotating sleeve is screwed to rotate and descend on the grinding head, so that the upper half sections of the mounting grooves are shielded, and the mounting length of the mounting grooves is shortened; and after the rotating sleeve rotates and descends, the upper half section of the mounting groove can be blocked, so that chippings generated during grinding are prevented from entering the mounting groove, and meanwhile, the mounting stability of the short millstone can be improved.

The invention relates to the field of honing, and discloses a honing cutter and honing device.The honing cutter comprises a base (1), a cutter body (2) capable of being axially connected with the base (1) and a cutter expansion cone (3) arranged in the base (1), the first end of the cutter expansion cone (3) can be inserted into the cutter body (2), and the second end of the cutter expansion cone (3) can be inserted into the cutter body (2). A drainage channel (4) extending from the end face of the first end to the end face of the second end of the expansion cutter cone (3) is arranged in the expansion cutter cone (3) so as to allow honing liquid entering the space between the base (1) and the cutter body (2) to flow outwards. According to the technical scheme, the drainage channel can guide honing liquid entering the honing tool to flow out of the honing tool, accumulation of impurities in the honing tool is reduced, particularly accumulation of the impurities at the base is reduced, the interior of the honing tool is kept clean, the base can freely expand and contract, and the service life of the honing tool is prolonged.

The utility model discloses a multifunctional honing device which comprises supporting frames, the supporting frames are arranged on machine tool rails, thick-wall pipes are arranged on the two supporting frames, clamping sleeves are arranged on the thick-wall pipes, honing heads are arranged at the ends of the thick-wall pipes, and each supporting frame comprises a lower base, an upper base and a flat key. An upper cover is arranged on the upper base, and copper bushes are arranged in the upper base and the upper cover. The device is reasonable in structural design, convenient to use, safe and efficient, solves the problems of size precision, roundness, cylindricity, coaxiality and roughness of the inner hole of the stern tube, and improves the machining quality of the inner hole of the stern tube.

A shaping tool for shaping and polishing a workpiece. The shaping tool comprises a rigid shaping part for shaping the workpiece in use by movement of an outwardly facing surface of the rigid shaping part and a surface of the workpiece against each other so as to remove material from at least a part of the workpiece; and a polishing surface biasable towards a first position in which said polishing surface protrudes relative to an adjacent region of the outwardly facing surface of the rigid shaping part, wherein the polishing surface is moveable to a second position in which the polishing surface lies level with said adjacent region of the outwardly facing surface of the rigid shaping part. When the shaping tool is applied to a workpiece to remove material therefrom and polish the workpiece, the polishing surface, while moving against that part of the workpiece, is biased towards the first position so as to contact the part of the workpiece from which material was removed by the rigid shaping part thereby polishing that part of the workpiece.