102 results about "Gear (shape)" patented technology

The static pressure knife rest of the gear shaping machine comprises an eccentric disc, a swing rod is hinged to the eccentric disc, and the other end of the swing rod is hinged to the top end of a knife shaft through a ball pull rod and a ball head. The cutter shaft penetrates through the cutter rest body; a cutter is mounted at the lower end of the cutter shaft; a worm gear and a worm are installed at the upper end of the tool rest body, and the worm gear is pressed through a large flange plate to be axially fixed. The cutter shaft penetrates through the worm gear and an inner hole of the cutter shaft sleeve at the same time. Due to the fact that the outer circle profile face of the four-tooth tooth-shaped tooth crest of the formed hydrostatic guide rail is wide, enough space can be provided for designing a radial four-cavity centripetal hydrostatic bearing, and therefore the upper end of a cutter shaft not only has centripetal clamping static pressure formed by static pressure cavities of involute tooth faces of the hydrostatic spline guide rail but also has static pressure clamping force of the tooth crest. The rigidity of the upper end of the cutter shaft is enhanced through superposition of the two clamping forces.

The invention discloses a numerical control gear shaper for machining a high-precision hardened-tooth-face gear, and belongs to the technical field of numerical control machine tools. Through the combination of the ball screw, the linear guide rail and the penetrating transverse shaft, micron-order positioning and stable linear motion of the tool sliding table in the horizontal direction are achieved, the machine is compatible with gears of various sizes, the idle stroke is reduced, and the machining efficiency and the machine tool universality are improved; a quick-change clamping jaw, a transverse pull rod, a triangular cutting edge impact seat and a movable chip retaining ring are of an integrated structure, the cutting edge of the impact seat is always aligned with the edge of a gear, the movable chip retaining ring synchronously forms a closed protective cover, scrap iron is prevented from splashing, edge machining is faster, more stable and cleaner, and after a large gear bracket-annular tooth groove die hole is replaced, a large-size tooth groove can be formed at a time; and the thin-wall disc gear can be accurately positioned by the central positioning column, so that deformation is prevented. The whole machine has multiple purposes, and the universality and the flexibility are greatly improved.

The utility model discloses a road construction fast-assembly type vibration flattening device in the technical field of road construction equipment, which comprises a connecting rod vibration mechanism and a supporting flat plate, a first supporting plate and a second supporting plate are fixedly mounted at the upper end of the supporting flat plate, and the second supporting plate is positioned on the outer side of the first supporting plate. A transmission shaft is movably and fixedly installed between the first supporting plate and the second supporting plate, open holes are formed in the connecting positions of the first supporting plate and the transmission shaft and the connecting positions of the second supporting plate and the transmission shaft, and a first variable-speed large gear, a fixed gear and a second variable-speed large gear are installed on one side of the transmission shaft. The variable-speed large gear and the fixed gear are combined through the sliding gear ring, the effect of adjusting the rotating speed of the transmission shaft is achieved, the eccentric shaft is connected through the gear-shaped hole in the side end of the transmission shaft, the vibration amplitude of the vibration plate can be increased through rotation of the eccentric block of the eccentric shaft, and the adjusting effect of the movement angle is enhanced. The vibration plate is more tightly attached to a construction road, and the vibration plate can adapt to various construction environments conveniently.

A method for machining a gear shaper cutter shaft sleeve and the cutter shaft sleeve itself include the following steps: aligning the cutter shaft sleeve blank with its outer diameter and end face; turning the dimensions of the left and right end faces, the inner hole at the right end, and the tapered hole at the left end of the blank, leaving machining allowance; aligning the outer diameter and end face of the cutter shaft sleeve blank; turning the dimensions of the left and right end faces, the inner hole at the right end, and the tapered hole at the left end of the blank, leaving finishing allowance; clamping the outer diameter of the right end of the cutter shaft sleeve on a precision machine tool; aligning the outer diameter and end face of the cutter shaft sleeve blank; precision grinding the tapered hole at the left end of the cutter shaft sleeve blank; installing and aligning a soft grinding sleeve on a grinding machine; then inserting the left end of the mandrel into the inner positioning hole of the soft grinding sleeve; then inserting the cutter shaft sleeve into the right end of the mandrel, completing the assembly of the cutter shaft sleeve before precision grinding; and finally precision grinding the inner hole at the right end of the cutter shaft sleeve using a grinding machine. This invention effectively reduces the reference conversion error caused by multiple clamping by using a high-precision mandrel as a unified process reference and optimizing the processing sequence.

A method for manufacturing a wave gear device comprises: a hot forming step of hot forming an alloy steel composed of nickel, copper, molybdenum, and silicon into a first molded product having a silk hat-type housing shape at a first temperature of 950 to 1300°C; a normalizing step of isolating the first molded product at the first temperature for a predetermined time and, after the isolating time has elapsed, slowly cooling the first molded product to a second temperature of 750 to 900°C; an austempering step of isolating the first molded product at the second temperature and then cooling it to a third temperature of 250 to 400°C to form residual austenite in the first molded product; a heat treatment step of isolating the first molded product that has undergone the austempering step at the third temperature and then cooling it at room temperature to stabilize the microstructure of the first molded product; and a gear forming step of turning and toothing the first molded product that has undergone the heat treatment step to form a second molded product having a soluble external gear shape. The method comprises a step and a trip step of applying impact to the surface of the second molded product to induce a processing-induced transformation in some of the austenite remaining in the second molded product, thereby transforming the surface of the second molded product into martensite.

The utility model discloses a gear shaping clamp for processing a spline on an eccentric shaft part, which relates to the technical field of tool clamps and comprises a tool bottom plate, a tool main seat is fixedly arranged at the upper end of the tool bottom plate, and a part groove matched with the shape of an eccentric shaft part body is arranged at the center of the upper portion of the tool main seat. A side clamping sliding groove is formed in one side of the upper portion of the tool main base, and a side clamping mechanism used for clamping an eccentric shaft part body on the tool main base on the side edge is installed at the side clamping sliding groove. A jacking and pressing through groove is formed in the bottom of the part groove, and a jacking and pressing mechanism used for jacking and pressing the eccentric shaft part body in the vertical direction is installed at the jacking and pressing through groove; according to the utility model, the part groove is accurately matched with the eccentric shaft body, and the double fixation of side clamping and top pressing is combined, so that the repeated positioning accuracy and the gear ring jumping requirement during processing are ensured.

The utility model discloses a fixing structure for speed reducer gear machining, which relates to the technical field of gear machining and comprises a first plate body, a rotating component is mounted in the middle of the upper surface of the first plate body, a second plate body is mounted on the upper surface of the rotating component, and a plurality of groups of strip-shaped holes are formed in the second plate body. A plurality of clamping assemblies penetrating through the strip-shaped holes are installed on the second plate body, translation assemblies are installed on the two sides of the upper surface of the first plate body, and pressing assemblies are installed at the ends of the two translation assemblies. A speed reducer gear to be machined is placed in the middle of the upper surface of the second plate body, then the clamping assembly is started to be clamped in a tooth-shaped groove of the speed reducer gear, the translation assembly and the pressing assembly are started to limit the position of the speed reducer gear in the vertical direction, and the rotating assembly is started to drive the speed reducer gear to rotate synchronously. And different positions on the end face of the gear of the speed reducer can be conveniently perforated.

The invention discloses a laser ultrasonic precision control machining device and method for a complex blade shape gear shaping cutter, and the method comprises the steps: building a cutter three-dimensional model, and dividing the cutter three-dimensional model into a plurality of machining regions; configuring a process parameter packet for each processing area; generating an integrated processing path integrating the laser scanning path and the tool motion path according to each process parameter packet; according to the integrated machining path, a laser device emits laser to machine the machining tool to which ultrasonic vibration is applied; when each processing area is processed, at least one of the following phase synchronization strategies is adopted; and when at least part of the machining area is machined, real-time position compensation is conducted on the laser focus according to the vibration displacement of the machining tool. The material removing efficiency of the gear shaping cutter can be improved, the surface forming quality is better, and then the machining efficiency and machining precision of the gear shaping cutter can be improved.

The invention discloses a hot forging and composite cold extrusion forming process for a thin combined tooth ring. The hot forging and composite cold extrusion forming process comprises the following steps: feeding a pipe material; the pipe material is heated and upset into an annular blank; punching an assembly hole; the punched annular blank is subjected to precision forging, and a gear ring forming part is formed; performing radial extrusion on the gear ring forming part by adopting a combined extrusion die, so that each straight tooth on the gear ring is extruded to form an inverted conical tooth; and turning off excess materials of the radially extruded molded part according to design requirements. The pressing male die used for being matched with the upper end of the gear ring forming part in an abutting mode is elastically installed on the upper die of the combined extrusion die, the pressing male die can be always in abutting fit with the upper end of the gear ring forming part in the extrusion process, the gear ring forming part is positioned, the tooth profile extrusion stability is effectively guaranteed, and the product forming rate is increased.

The utility model discloses a deburring device for automobile part production, which comprises a fixed base, the top of the fixed base is fixedly connected with two fixed supporting columns, the tops of the two fixed supporting columns are fixedly connected with a supporting top plate, and the top of the supporting top plate is fixedly connected with a driving motor. An output shaft of the driving motor is fixedly connected with a driving shaft through a coupler, the bottom of the driving shaft is fixedly connected with a driving cylindrical gear in an incomplete gear shape, and the outer walls of the two fixing supporting columns are symmetrically provided with two guide frames distributed in a concave shape in the overlook direction correspondingly. According to the device, a burr scraper can be conveniently driven to transversely move in a reciprocating mode, so that uniform deburring work can be conducted on automobile parts, the working efficiency is improved, the burr scraper can be driven to conduct height adjustment, contact with the automobile parts can be kept, and then deburring work is guaranteed.

The utility model discloses a processing device for forging forming of a coupler yoke of a railway wagon, which comprises a supporting plate, a fixed power mechanism is arranged above the supporting plate, the supporting plate is provided with a central shaft vertically penetrating through the supporting plate, the force output by the power mechanism acts on the central shaft, a rotating piece is arranged below the supporting plate, and the rotating piece is connected with the central shaft. The rotating part is sleeved on the central shaft and can rotate around the central shaft, a groove is formed in a contact area of the central shaft and the rotating part, a bulge is formed in a contact area of the rotating part and the central shaft, the bulge can slide in the groove, a plurality of rollers are arranged on the central shaft, symmetrical clamping arms are arranged on two sides of the central shaft, and the upper ends of the clamping arms are in an incomplete gear shape. The upper ends of the clamping arms are meshed with grooves formed by the idler wheels on the center shaft, and a connecting frame is fixed below the rotating piece. The air cylinder lifts the rolling shaft to drive the clamping arm to clamp a tool, meanwhile, the rotating plate rotates to drive the clamping arm and a workpiece to rotate by 180 degrees together, and the working efficiency is improved.

Provided is a technique capable of measuring a gear shape error. 【Solution means】The machine tool includes a control device configured to execute error measurement processing. The error measurement processing determines the approach start point and approach direction of a touch probe held by a tool holding device based on the posture of a workpiece machined into a gear shape held by a workpiece holding device, controls an actuator to move the touch probe in the approach direction from the approach start point, obtains the center position of the tip sphere of the touch probe when the touch probe contacts the surface of the workpiece due to the movement, determines a candidate value for the error between the gear shape and the target shape of the gear product, generates a cross-sectional model representing the cross-sectional shape of the tooth surface based on the candidate value, the target shape, and the posture, obtains the minimum distance between the cross-sectional model and the center position, changes the candidate value, and determines, as the error, a candidate value for which the absolute value of the difference between the minimum distance and the radius of the tip sphere is equal to or less than an allowable value.

The utility model provides a solar energy chestnut drying equipment. Solar energy chestnut drying equipment includes: the drying box of top fixed mounting has solar energy panel, drive gear shaft, drive gear shaft rotates the installation in drying box, synchronous gear shape area, synchronous gear shape area is equipped on drive gear shaft, and fixed mounting has support block, holds the disc, holds the disc for placing chestnut setting between synchronous gear shape area, and with support block is contacted, hot -blast pipe, hot -blast pipe fixed mounting is in drying box, is used for introducing hot blast to drying box, exhaust pipe, exhaust pipe fixed mounting is in hot -blast pipe, and extends to drying box. The utility model provides solar energy chestnut drying equipment has a plurality of air outlet, increases hot blast guiding mechanism simultaneously, improves the evenness of hot blast advantage.

The invention discloses a high-precision gear shaping device suitable for gear machining, and belongs to the technical field of gear machining gear shaping devices. A high-precision gear shaping device suitable for gear machining comprises a device body, a rotatable seat stand is arranged on the inner bottom face of the device body, a to-be-machined circular ring is placed above the seat stand, the surface of the device body is slidably connected with a penetrating type reciprocating rod, and a rotating groove is formed in the bottom surface of the reciprocating rod; a cutter used for machining the circular ring is rotationally connected into the rotating groove. Compared with a traditional gear shaping device, in the gear machining process, the high-precision gear shaping device suitable for gear machining has the advantages that in the gear machining process, a cutter rotating at a high speed conducts grooving on the inner side face of a circular ring, the cutter rotates at the high speed for cutting, the cutting speed of a tooth groove is increased, meanwhile, the cutting base moves along with the cutter to conduct chamfering cutting on the inner wall of the tooth groove, and the machining efficiency is improved. And the working procedures in the gear machining process are reduced, so that the machining efficiency of the gear is improved.

The utility model provides a fabric carrying forklift which comprises a forklift body and a lifting device arranged on the front portion of the forklift body, the lifting device is in transmission connection with an L-shaped lifting structure, a supporting frame is fixed to the top of the lifting device, and a traction device is arranged on the supporting frame. The L-shaped lifting structure comprises a fixed frame and a gear shaping part, the gear shaping part is hinged to the bottom of the fixed frame, and a traction rope is connected between the traction device and the end, away from the fixed frame, of the gear shaping part. Compared with the prior art, the lifting forklift has the advantages that the L-shaped lifting structure is matched with the traction device and the traction rope wound by the traction device, so that the technical problem that a fabric roll is prone to rolling down when the fabric roll is transported by an existing forklift is solved, and the lifting forklift is not a brand-new forklift; an L-shaped lifting structure, a supporting frame and a traction device can be additionally arranged on an existing conventional forklift.

The utility model discloses a one-way closed gear forging die structure, which belongs to the technical field of gear forging, solves the problems of waste of raw materials and increase of production cost caused by the fact that metal flows out of die gaps to form flashes in the process of forging the raw materials into gears by an existing device, and comprises a fixed base, a floating die plate is arranged on the top face of the fixed base, a spring seat is arranged between the fixed base and the floating die plate, a female die is fixedly installed on the top face of the floating die plate, a tooth-shaped die is arranged on the top face of the female die, die cavities are formed in the adjacent faces of the female die and the tooth-shaped die, and the top end of a female die core rod penetrates through a receding hole and extrudes the bottom of raw materials in the female die. And meanwhile, the tooth-shaped die core rod extrudes the top of the raw material, so that the raw material can be extruded in the die cavities of the female die and the tooth-shaped die, the situation that the raw material flows out of a gap between the female die and the tooth-shaped die can be avoided, waste of the raw material is avoided, and then the production cost is reduced.

The utility model discloses a powder metallurgy gear shaping jig which comprises a machine frame body, CCD equipment arranged on the machine frame body, a shaping jig sliding on the machine frame body and driving equipment for driving the shaping jig to move. The shaping jig comprises an upper die and a lower die, the upper die comprises a pressing plate and a first driving element for driving the pressing plate to move upwards / downwards, the lower die comprises a jig plate and a bottom plate, a plurality of elastic elements are arranged between the bottom plate and the jig plate, the jig plate is used for placing gear parts, and the elastic elements are arranged on the bottom plate. When the first driving element drives the pressing plate to move downwards, the gear part can be pressed into the jig plate to be shaped. The reshaping jig is used for quickly reaming a shaft hole, only manual feeding is needed, the reshaping jig is automatically moved to the position below a CCD for size combination after reaming is completed, and the production period is greatly shortened.

The utility model discloses an air inlet adjusting assembly for an AGS active type air inlet grille, and relates to the technical field of air inlet grilles, the air inlet adjusting assembly for the AGS active type air inlet grille comprises a grille frame, a rotating shaft is rotatably connected in the grille frame, grille blades are fixedly installed on the surface of the rotating shaft, and the grille blades are fixedly installed on the surface of the rotating shaft. A driving motor is fixedly installed in the grille frame, a first gear is fixedly installed at the output end of the driving motor, the first gear is in a semi-gear shape, and according to the air inlet adjusting assembly for the AGS active air inlet grille, a notch in the first gear is used for being not meshed with a second gear, so that the second gear does not rotate; and when the first gear rotates by a circle, the grating blades and the rotating shaft can be turned over by 15 degrees, then multi-angle adjustment can be conveniently conducted on the grating blades, adjustment can be conveniently conducted according to the use requirement, and then the automobile running resistance and automobile oil consumption are reduced.

The invention provides a motor train unit gear modification device which comprises a rack, a workbench, a driving mechanism, a mechanical arm, a control device and a resistance mechanism fixedly installed on the workbench, the mechanical arm and the driving mechanism are both fixedly installed on the rack, the workbench is connected with the rack through a lead screw nut pair, an image sensor is arranged on the driving mechanism, and the control device is connected with the control device. A grinding wheel and a visual sensor are arranged on the mechanical arm, a driving wheel needing to be shaped is arranged on the driving mechanism, a driven wheel needing to be shaped is arranged on the resistance mechanism, and the driving wheel needing to be shaped and the driven wheel needing to be shaped can be meshed. The lead screw nut pair, the driving mechanism, the resistance mechanism, the image sensor, the mechanical arm and the visual sensor are all electrically connected with the control device. Based on the gear deformation amount and the tooth surface contact spot data obtained under the simulated gear service condition, the control device controls the mechanical arm to shape the gear, the gear shape modification effect can be effectively improved, and then the meshing quality of the gear is improved.

The invention relates to the technical field of gear precision detection, in particular to a gear pitch deviation measuring device which comprises a testing platform, a measuring support plate is arranged on one side of the top of the testing platform, a clamping mechanism is fixedly mounted in the measuring support plate, and a measuring surface processing mechanism is arranged on the clamping mechanism. A rotary limiting mechanism is arranged on the clamping mechanism; a detected gear is clamped and fixed through the clamping mechanism, and the axis of a central shaft of the gear is gradually overlapped with the central axis of the clamping disc through the shaft alignment adjusting mechanism in the clamping process, so that the shaft alignment precision of the gear is guaranteed; in the clamping process, a measuring surface processing mechanism is matched to clean the surfaces of the teeth on the gear, so that the phenomenon that residual impurities on the teeth are in contact with a detection probe in the detection process to generate measurement errors is avoided; in the measurement process, the rotation limiting mechanism is utilized to enable the angular offset of each rotation of the clamping disc to be consistent during tooth profile detection, so that the measurement precision of the device is guaranteed.

The invention discloses a welding device for machining a planetary reducer, and belongs to the technical field of planetary reducers. The planetary reducer comprises a shell and a gear ring mounted in the shell; the welding device comprises a rack used for horizontally supporting the shell and the gear ring, a rotation driving device installed on the lower portion of the rack and a center rotating shaft connected with the output end of the rotation driving device, the center rotating shaft is connected with a center gear, a welding assembly and an outer circumference cooling piece at the same time, and a support is rotationally installed on the outer side of the center rotating shaft. A cooling tooth bag is rotationally installed on the support and is made into a gear shape through an elastic material, a cavity filled with cooling liquid is formed in the inner side of the cooling tooth bag, the cooling tooth bag can be meshed with the gear ring and the center gear at the same time, and the center gear can drive the cooling tooth bag to rotate around the axis of the center gear ring while rotating. According to the device, cooling can be conducted in a targeted mode, meanwhile, the cooling cost is saved, and the problem of thermal deformation of the gear ring in the welding process is solved.

To provide a gear shape machining system capable of highly accurately predicting vibration of a machining point in a gear generation cutting process and highly accurately machining a workpiece into an ideal machined shape.SOLUTION: A gear shape machining system 1 for performing a gear generation cutting process comprises: an interference region calculation unit 130 that calculates an interference region between a tool and a workpiece; a cutting force calculation unit 140 that calculates a cutting force for removing the interference region; a dynamic characteristic defining unit 150 that defines relative dynamic characteristics between the tool and the workpiece; a vibration calculation unit 160 that calculates relative vibration between the tool and the workpiece; a machining result prediction unit 190 that predicts a machining result of the workpiece on the basis of a vibration simulation result of the interference region calculation unit 130, the cutting force calculation unit 140, and the vibration calculation unit 160; a wavy waveform extraction unit 191 that extracts a wavy waveform on a tooth-form direction formed on a tooth surface on the basis of the machining result prediction; and a tool correction amount calculation unit 193 that calculates a correction amount of an edge shape of the tool on the basis of the wavy waveform.SELECTED DRAWING: Figure 1

The invention provides a sand contour shape calculation method based on a Bezier curve, and the method specifically comprises the following steps: 1, sequentially building a homogeneous coordinate transformation matrix from a grinding wheel to a workpiece and a tooth surface equation of a helical gear based on a forming gear grinding machine machining principle and a gear meshing principle; 2, assuming to process the internal bevel gear according to the established tooth surface equation, calculating an instantaneous contact line according to the condition that the normal of the tooth surface of the bevel gear intersects with the axis of the grinding wheel, and obtaining the section of the revolution surface of the grinding wheel; and 3, compensating the radius of the grinding wheel, solving an interpolation point through a Bezier curve, writing a calculation program according to related parameters, carrying out MATLAB fitting to preliminarily obtain a corresponding grinding wheel profile, and then carrying out CMM measurement to finally obtain the obtained grinding wheel profile. According to the method, the sand profile shape calculation efficiency can be improved, and a theoretical basis can be provided for follow-up gear shape modification.

A transverse flux machine (TFM) includes a rotor having permanent magnets generating a magnetic flux in a circumferential direction; and a stator including a plurality of stators cores each holding a winding and being configured to direct the magnetic flux in a radial direction and an axial direction. Each of the stator cores has one of: a gear shape with two sets of protrusions flanking the winding and extending radially toward the rotor, or a claw-pole shape including two sets of teeth extending radially toward the rotor and wrapping axially over the winding. The rotor has a first axial length that is longer than a total axial length of the stator in case the stator cores have the gear shape, or the rotor has a second axial length that is shorter than the total axial length of the stator in case the stator cores have the claw-pole shape.