979 results about "Hobbing" patented technology

The utility model relates to the technical field of gear machining, and discloses a gear hobbing machine convenient for hob replacement, which comprises a workbench, the side wall of the workbench is fixedly connected with an electric sliding rail I, the inside of the electric sliding rail I is slidably connected with a sliding seat I, one side wall of the sliding seat is fixedly connected with a fixing frame, the inside of the fixing frame is fixedly connected with a sliding rod, and the sliding rod is fixedly connected with a hobbing cutter. A fixing seat is fixedly connected to the side wall of the sliding rod, a sliding plate is slidably connected to the side wall of the sliding rod, a fixing assembly is arranged on the side wall of the sliding plate, a hydraulic rod is fixedly connected to the side wall of the fixing frame, and the output end of the hydraulic rod is fixedly connected to the side wall of the sliding plate on one side. According to the gear hobbing machine, the fixing frame, the sliding rod, the fixing base, the sliding plate, the clamping plate, the hydraulic rod, the first connecting plate and the second connecting plate are matched, the effect of conveniently replacing the hobbing cutter is achieved, the problem that part of gear hobbing machines are fixed when being used for installing the hobbing cutter, and consequently the hobbing cutter is inconvenient to replace is solved, and the efficiency of replacing the hobbing cutter is improved through the structure.

The invention relates to the technical field of gear hobbing machines, and discloses a horizontal gear hobbing machine with automatic feeding and discharging functions. Comprising a rack and further comprises a conveying component used for feeding and conveying gear blanks and discharging and conveying formed workpieces, a three-axis driving platform connected with a material moving table capable of moving in a three-axis mode, and a pressing shaft driven by a first motor is rotationally connected to the inner wall of the material moving table. A clamping head suitable for clamping a gear blank and a formed workpiece is installed at the bottom end of the pressing shaft, a pneumatic clamping piece is arranged on the clamping head, and a visual collecting probe is arranged at the axis position of the bottom face of the clamping head. According to the gear hobbing machine, on the basis that the feeding and discharging functions are achieved, on one hand, rapid switching of different hobbing cutter pieces can be achieved, then the gear hobbing type of the gear hobbing machine is adjusted, on the other hand, pre-detection before gear blank machining and post-detection after formed workpiece machining can be achieved, and then the gear hobbing yield of the gear hobbing machine is effectively improved.

The invention discloses a soil-rock composite formation hob fracture avoidance method based on FEM-DEM coupling, and relates to the technical field of tunnel and underground engineering, and the method comprises the steps: building a hob cutting model based on a finite element-discrete element coupling method; generating a soil rock calibration parameter according with the input of the hob cutting model; calculating a cutting force curve of hob impact under any working condition by using the hob cutting model, and extracting the maximum value of the cutting force curve as a load peak value; extracting a cutter ring stress peak value corresponding to the moment of the load peak value; and calculating the current comprehensive equivalent stress of the hobbing cutter ring based on the limit stress, comparing the comprehensive equivalent stress with the dynamically matched yield strength threshold, and judging the risk level of the hobbing cutter ring. According to the method, refined simulation of the whole rock breaking process of the hobbing cutter in the soil-rock composite stratum is achieved, the transient impact load peak value and the induced cutter ring limit stress distribution are captured, and the fracture risk identification precision is remarkably improved.

The invention relates to a shield tunneling machine hob wear prediction method and device, computer equipment, a computer readable storage medium and a computer program product, relates to a geological excavation technology, and can improve the prediction precision of a shield tunneling machine on hob wear in an operation process. The method comprises the following steps: determining a geological information map of a shield tunneling machine hobbing cutter operation environment, and obtaining hobbing cutter arrangement data and tunneling data under the geological information map; according to the hob arrangement data, horizontally segmenting the geological information map to obtain geological information map horizontal slices; according to the tunneling data, vertically segmenting the geological information map to obtain vertical slices of the geological information map; determining stratigraphic data corresponding to the horizontal slices of the geological information map according to the vertical slices of the geological information map, and calculating geological data according to the horizontal slices of the geological information map and the stratigraphic data; and inputting the hob arrangement data, the tunneling data and the geological data into the hob wear prediction model to obtain a hob wear prediction result.

The invention relates to the technical field of gear machining, and discloses adjustable precision gear turning equipment which comprises a device body, and the device body comprises a hob and a workbench; and the dynamic following type supporting unit comprises a rotating disc connected to the centering connecting column through a bearing, multiple sets of supporting rods are annularly arranged on the rotating disc, a supporting plate is installed at the ends, away from the rotating disc, of the supporting rods, and multiple sets of edge supporting assemblies are arranged on the supporting plate. By arranging the dynamic following type supporting unit, the supporting plate and the edge supporting assembly of the dynamic following type supporting unit can provide active upward supporting force for the bottom face of the gear to be machined, and during hobbing, the supporting force can actively offset downward cutting force generated by a hobbing cutter to form balance, so that bending deformation of a workpiece is directly prevented, and the service life of the gear to be machined is prolonged. Errors such as tooth shape concave and tooth direction inclination of the machined gear are avoided, and the machining precision and the surface quality of the gear are remarkably improved.

The invention provides a method for processing a face gear by adopting a cylindrical cutter, which comprises the following specific steps of: replacing a conical cutter with a cylindrical gear turning cutter, and setting a process relief angle to avoid interference between the face gear and the cylindrical gear turning cutter; based on the meshing relation between the virtual intermediate cylindrical gear and the face gear, a face gear-cutter space coordinate system conversion model is constructed; inputting the pitch radius of the cylindrical cutter, the pitch radius of the cylindrical gear, the motion parameters of the cylindrical cutter and the face gear and the process relief angle into a face gear-cutter space coordinate system conversion model to obtain each axial offset distance of an original point of the cylindrical cutter relative to an original point of a global coordinate system when the cutter is positioned at a meshed node; and the cylindrical cutter is installed on a machine tool for face gear machining according to the axial offset distances. The cylindrical tooth turning cutter is applied to face gear tooth turning machining, the cylindrical cutter avoids machining theoretical blade type errors, and the economical efficiency and the machining precision stability are comprehensively improved.

The utility model discloses a gear hobbing machine convenient for blanking, which belongs to the technical field of gear hobbing machines and comprises a base, a blanking frame is arranged on the right side of the base, a mounting frame is fixedly mounted at the top of the base, a screw tap is rotatably mounted in the mounting frame, and a conveying mechanism is arranged at the top of the mounting frame; the material conveying mechanism comprises an L-shaped frame and a fixing frame, the fixing frame is fixedly connected to the top of the mounting frame, a square plate is fixedly connected to the left side of the L-shaped frame, the square plate is slidably connected to the interior of the fixing frame, and two electric push rods are fixedly mounted in the L-shaped frame; the output ends of the two electric push rods are fixedly connected with the same lifting disc. According to the gear hobbing machine, the arranged material conveying mechanism is matched with the clamping mechanism, so that automatic clamping, gear hobbing feeding and discharging placing work of raw material pieces of the gear hobbing machine can be achieved, the discharging efficiency is improved, and collision is avoided.

The invention relates to a tool clamp and method for a gear hobbing machine to machine splines at the ends of square shafts, and belongs to the technical field of machining of splines at the ends of the square shafts. According to the technical scheme, a positioning seat is arranged on the upper surface of a base, a horizontally-arranged fixing square groove is formed in the top of the positioning seat, the width of the fixing square groove is matched with the width of the front face of a square shaft to be machined, and the center of the fixing square groove and the center of a first tip are located on the same vertical line; a positioning ruler is arranged above the positioning seat and located between the square shaft and the clamping arm, a positioning square groove is formed in one side of the positioning ruler, and the width of the positioning square groove is matched with the width of the back face of the square shaft to be machined. The position of the square shaft is fixed through the tool clamp, it is ensured that the front face of the square shaft is aligned with a machine tool of a gear hobbing machine, it is ensured that starting points of machining are the same each time, and the tooth crest center line of circular shaft splines at the two ends of the square shaft is aligned with the front face center line of the square shaft or the tooth root center line of circular shafts at the two ends of the square shaft is aligned with the side face center line of the square shaft; the requirement that the square shaft end machining spline datum plane does not deviate is met.

An aluminum profile pipe internal thread roller press comprises a machine frame body, a workpiece feeding and taking device and a workpiece fixing and clamping device are arranged on the machine frame body, a boring head is arranged in the machine frame body, a main shaft is arranged in the boring head, a lifting shaft is arranged in the main shaft, the main shaft and the lifting shaft are driven by a motor to rotate synchronously, and the lower end of the lifting shaft is connected with a lifting device of the lifting shaft. The upper end of the lifting shaft is connected with a guide frame, more than two inclined sliding grooves are formed in the outer wall of the guide frame, knife rests are arranged on the inclined sliding grooves respectively, inclined guide rails are arranged on the knife rests on one sides of the inclined sliding grooves, the inclined guide rails are matched with the inclined sliding grooves, horizontal guide rails are arranged on the lower portions of the knife rests, and a telescopic guide plate is arranged on the main shaft and provided with horizontal sliding grooves. The horizontal guide rail is matched with the horizontal sliding groove, an upper connecting lug and a lower connecting lug are arranged on the tool rest, a hobbing cutter is arranged between the upper connecting lug and the lower connecting lug, a cutter shaft is arranged in the hobbing cutter, and the two ends of the cutter shaft are rotationally connected with the upper connecting lug and the lower connecting lug.

The invention provides injection molding leftover material smashing equipment, and belongs to the technical field of plastic recycling, the injection molding leftover material smashing equipment comprises a rotating cutter assembly, a cutter groove and a material conveying mechanism, the rotating cutter assembly comprises a rotating shaft, a driving unit, a hobbing cutter and a hooking cutter, and the material conveying mechanism comprises an internal channel and an external pipeline; the internal channel comprises a hobbing cutter cavity, a hooked cutter cavity communicated with the hobbing cutter cavity, a crushing cavity and a containing cavity; the crushing cavity is communicated with the hook knife cavity, an arc-shaped baffle is fixedly installed between the crushing cavity and the containing cavity, an air outlet hole is formed in the baffle, and a crushing knife is arranged in the crushing cavity; the external pipeline comprises a draught fan, an air draft pipeline connected between an air inlet of the draught fan and the containing cavity, and an air conveying pipeline connected with an air outlet of the draught fan and the hob cavity. Under the action of wind power, materials falling into the containing cavity can enter the smashing cavity and are smashed through the smashing cutters, the materials can be blown to move in the axial direction of the rotating shaft, the multiple hobs jointly participate in smashing of the materials, and the material smashing efficiency is improved.

The invention provides a tooth scraping machine tool based on a cylindrical cutter and a machining method.The tooth scraping machine tool comprises a machine tool body, a stand column is slidably installed at the top of the machine tool body through a radial feeding device, a sliding seat is slidably installed on the stand column through an axial feeding device, and a sliding plate is rotatably installed on the sliding seat through a moving angle adjusting mechanism; a main shaft is installed on the sliding plate in a sliding mode through a tangential feeding device, a cylindrical cutter used for gear scraping machining is installed at the output end of the main shaft, a workbench is arranged on the side edge of the stand column and located on the top of the lathe bed, and the workbench is used for clamping a gear to be machined. The machine tool adopts the cylindrical cutter as the cutter of the tooth scraping machine tool, so that the problems of instability and high cost of the traditional tooth scraping machine tool which adopts a conical cutter to process the tooth form are solved.

The utility model relates to a shield tunneling machine hobbing cutter holder integral installing and welding positioning device which is arranged between a left cutter holder and a right cutter holder and comprises a height tool used for controlling the distance between the left cutter holder and the right cutter holder and a coplanar positioning shaft used for controlling cutter shaft supporting faces to be coplanar. The height tool comprises a base frame and height adjusting assemblies, the height adjusting assemblies are arranged at the four corners of the top of the base frame respectively, and each height adjusting assembly comprises a coarse adjusting screw in threaded connection with the base frame and a fine adjusting nut arranged on the coarse adjusting screw. A coplanar positioning shaft is arranged on one side of the base frame, at least two positioning planes perpendicular to each other are arranged on the side wall of the coplanar positioning shaft, and the two positioning planes perpendicular to each other are attached to the supporting face A and the supporting face B respectively. The tool apron positioning device is simple and convenient to use and operate, can quickly and accurately position when the tool aprons are installed and welded, ensures the accurate distance between the left tool apron and the right tool apron and the coplanarity of the supporting surfaces of the tool shaft, and provides safe support for hob installation.

The invention relates to the technical field of rubber pelletizing, and particularly discloses a pelletizer for rubber processing, which comprises a rack, a hobbing cutter I, a hobbing cutter II and a spreading mechanism, the spreading mechanism comprises a material distribution roller, a material distribution part and a material supply part, the material distribution roller is rotatably arranged on the rack, and a plurality of partition plates are uniformly arranged on the peripheral side of the material distribution roller along the circumferential direction; a material containing cavity used for containing talcum powder is formed between any two adjacent partition plates, the outer sides of the partition plates can be tangent to the periphery of the second hobbing cutter, the material distributing roller and the second hobbing cutter synchronously and reversely rotate, the material distributing piece comprises a plurality of material distributing plates and a first driving structure, and each material distributing plate slides in the radial direction of the material distributing roller and is located in the corresponding material containing cavity. The material supply part is used for conveying talcum powder into each material containing cavity in the rotating process of the material distribution roller; by means of rotation of the material distribution roller and radial sliding of the material distribution piece, talcum powder covers the surfaces of cut rubber particles to form an isolation layer, and the adjacent particles are effectively prevented from adhering to one another.

The invention relates to a hob rock breaking identification method, device and system based on a semi-analytical method, and relates to the technical field of shield cutter rock breaking. The method comprises the following steps: acquiring a cutter model and an initial rock model of the shield tunneling machine; simulating a scene in which the cutter cuts the rock by adopting the cutter model and the initial rock model to obtain a contact area of the cutter model and the initial rock model; dispersing the rock model in the first area into cubic units; assigning material attributes to the cube units, and calculating influence coefficients of the cube units; updating the load value of the cubic unit according to the influence coefficient, and calculating the total stress of the cubic unit according to the load value; determining an equivalent characteristic strain value of the first rock model and a convergence state of the equivalent characteristic strain value; and under the condition that the convergence state meets a preset condition, determining the number of damage units in the first rock model, and determining the damage degree of the first rock model according to the number. According to the scheme, the accuracy of pipeline rock breaking identification is improved.

The invention discloses a reaming drilling tool for a raise boring machine. The reaming drilling tool comprises a cutterhead, and a vertically extending connecting shaft is arranged at the center of the upper surface of the cutterhead; the cutter assemblies are arranged at intervals in the circumferential direction of the connecting shaft, each cutter assembly comprises a cutter holder and a hobbing cutter, the cutter holders are installed on the upper surface of the cutter head, the positions of the cutter holders can be adjusted in the radial direction of the connecting shaft, and the hobbing cutters are rotationally arranged on the cutter holders. The tool apron is adjustably arranged on the cutterhead in the radial direction of the connecting shaft, so that when the hole diameter of the forward drilling hole is small, the tool assemblies are distributed on the side, close to the connecting shaft, of the cutterhead, and meanwhile, the tool assemblies are also distributed on the side, away from the connecting shaft, of the cutterhead, and when the hole diameter of the forward drilling hole is large, the tool assemblies are distributed on the cutterhead. The cutter assembly on the side, close to the connecting shaft, of the cutter head can be adjusted outwards, hobs at all the positions can fully play a role, and therefore the guide hole drilling tool can be matched with guide hole drilling tools of various different specifications, and the application scene is wide.

The utility model provides a positioning and clamping device for plug-in type scraping equipment, which belongs to the technical field of plastic pipeline oxide skin scraping equipment and is arranged on a box body of the plug-in type scraping equipment, one side of the box body is provided with an accommodating cavity for inserting a plastic pipeline, and the top of the accommodating cavity is provided with a cutter. The positioning and clamping device comprises a positioning frame, two groups of positioning rollers and a driving mechanism; the two groups of positioning rollers are rotationally arranged on the positioning frame; the two groups of positioning rollers are symmetrically arranged relative to the cutter; the driving mechanism is arranged on the box body; the driving mechanism comprises a lifting end connected with the positioning frame, and under the driving of the lifting end, the positioning roller can be matched with the cutter to clamp the plastic pipeline; through the arrangement, the cushion block does not need to be replaced when plastic pipelines with different diameters are clamped, and the driving mechanism can play a role in compensating abrasion of the positioning roller, so that the plastic pipelines can be clamped through cooperation of the positioning roller and the hobbing cutter, and the situation that the plastic pipelines shake in the scraping process is reduced.

The invention discloses a water-rich sand layer tunnel face pretreatment steel sleeve shield tunneling machine wall grinding receiving construction method. The method comprises the following steps that S1, shield tunneling machine tool configuration optimization is conducted; s2, a shield receiving steel sleeve is assembled; s3, diaphragm wall joint profile steel detection; s4, grouting reinforcement is conducted on the tunnel face; s5, the profile steel is chiseled away; s6, steel sleeve filling; s7, wall grinding tunneling control of the shield tunneling machine; and S8, the grouting sealing ring and the steel sleeve are dismantled. Through cooperation of the hobbing cutter and the tearing cutter, the construction requirement that a shield tunneling machine cutter cuts underground diaphragm wall steel bars and concrete is met, underground diaphragm wall joint profile steel is chiseled away in the early stage, shield receiving is conducted through the steel sleeve, and the torque is too large in the process that a textile shield tunneling machine grinds an underground diaphragm wall; according to the principle of low rotating speed, low speed and small thrust, tunneling parameters of the shield tunneling machine are reasonably formulated, grouting and ring sealing operation at the back of the duct piece wall of the shield receiving end are well done, the steel sleeve is dismantled, and the safety of shield receiving in the high-risk geological environment of the water-rich sand layer is smoothly guaranteed.

The invention discloses a machining method for an input shaft of an electric drive assembly generator. The machining method comprises the following steps of first finish turning, second finish turning, gear hobbing, spline broaching, heat treatment, spline hard broaching, outer circle and end face grinding and gear grinding. In the step of hard pulling of the spline, the internal spline is subjected to hard pulling after being heated, the large diameter, the small diameter and the tooth side of the internal spline are subjected to hard pulling, and the precision of the internal spline subjected to heat treatment is corrected. In the step of grinding the outer circle and the end face, an internal spline of the input shaft of the generator is expanded, the end face and a center hole are positioned, and the outer circle and the end face of the input shaft of the generator are ground. In the gear grinding step, the internal spline of the input shaft of the generator is expanded, the end face is positioned, and gear grinding is conducted on the gear. Thermal deformation of the internal spline is corrected after heat treatment, then the internal spline is adopted as a standard for machining of subsequent procedures, the standard is unified, and it is guaranteed that the internal spline of the generator input shaft and the external spline of the generator rotor are well matched, torque is transmitted, a bearing operates stably, and operation stability of an electric drive assembly is guaranteed.

The invention relates to the technical field of gear ring gear hobbing, in particular to a gear hobbing device for gear ring production. A placing plate is fixedly connected to the top end of the outer wall of the base; one side of the outer wall of the placing plate is fixedly connected with a motor through a fixing block; a rotating shaft is arranged at the output end of the motor, and one end of the outer wall of the rotating shaft penetrates through the placing plate; a gear hobbing mechanism is fixedly connected to the outer side wall of the end, penetrating through the containing plate, of the rotating shaft. A rotating shaft and a gear hobbing mechanism are driven by a motor to rotate, the rotating shaft rotates to drive a first reciprocating rotating rod to rotate through a first chain wheel and a first chain, the first reciprocating rotating rod drives a sliding block and a high-pressure water gun to reciprocate, the high-pressure water gun encounters a pair of fixing rods when doing reciprocating motion, and the high-pressure water gun inclines by an angle when encountering the fixing rods; and when the high-pressure water gun is used for machining the gear ring, the cleaning range is increased through reciprocating motion and the inclination angle, and the edges and corners of the gear ring are cleaned more thoroughly.

The invention discloses a machining method for a sun gear of a planetary reducer. The machining method comprises the steps of gear blank machining, spline broaching, gear hobbing, tooth profile chamfering, carburizing and quenching, external grinding, hole turning, flat grinding, gear grinding and detection. An outer circle recognition groove is machined in the outer circle of the gear blank and close to the near end face A; gear broaching is conducted with the near end face A as the positioning reference; a spline taper mandrel penetrates into the spline hole, the outer circle of the sun gear top is ground through gear side positioning, and the near end face A is ground in a leaning mode; the outer circle of the ground tooth crest is clamped, the near end face A is leveled, a spline inner hole is turned, a far end face B far away from the outer circle recognition groove is turned, and then the near end face A is flatly ground with the turned far end face B as the reference; during gear grinding, the far end face B and the spline inner hole are used as positioning references; during detection, the detection direction is consistent with the positioning direction of the grinding teeth, and the far end face B faces downwards. By the adoption of the technical scheme, it is guaranteed that the gear precision of the sun gear reaches the sixth level, and the use requirements of customers are met.

The utility model relates to the field of drying tank processing, and discloses a riveting crimping device for sealing a drying tank, which comprises a crimping mechanism, the crimping mechanism comprises a first hobbing cutter (1) and a second hobbing cutter (2) which are both rotating bodies, and further comprises a crimping motor (3), and the crimping motor (3) is connected with a transmission assembly (4) and drives the first hobbing cutter (1) and the second hobbing cutter (2) to rotate through the transmission assembly (4); the edge of the first hob (1) is an arc-shaped groove edge (11), and the edge of the second hob (2) is an inclined plane edge (21). Through multi-gear meshing transmission, hobbing cutter tangential feeding is achieved under pushing of the oil cylinder, curling is stable, and quality is good; automatic feeding is adopted, clamping is stable, and efficiency is high; a 60-degree tank opening hemming pretreatment structure is adopted, so that product cracking is avoided, and the service life is prolonged; the hob adopts the combination of arc shape and profiling, so that the stress is balanced in the curling process, and the workpiece is prevented from being damaged.

The invention relates to a gear machining process, in particular to a design method for the output length of a variable-pressure-angle hob, and mainly solves the technical problem that the output length of the hob cannot be accurately controlled in an existing method. The method comprises the following steps that 1, according to the generating machining principle, the circumferential length needed by a variable pressure angle hob for hobbing a complete tooth width of a to-be-machined gear is calculated; (2) based on the circumferential length obtained in the step (1), in combination with the helix angle of the variable-pressure-angle hob and the helix angle of the gear to be machined, the axial length of the variable-pressure-angle hob for hobbing a complete tooth width is obtained through calculation; and (3) according to the axial length obtained through calculation in the step (2), in combination with the axial feed amount during hobbing, the cutter output length of the variable-pressure-angle hobbing cutter during hobbing is obtained through calculation. On the basis of the method, the cutter output length of the variable-pressure-angle hob can be accurately controlled, the risk of machining interference of the variable-pressure-angle hob is fundamentally avoided, and then high-precision machining of the gear is achieved.

The utility model relates to a special tool for a gear hobbing machine to machine a spline at the end of a square shaft, and belongs to the technical field of spline machining at the end of the square shaft. According to the technical scheme, a positioning seat is arranged on the upper surface of a base, a horizontally-arranged fixing square groove is formed in the top of the positioning seat, the width of the fixing square groove is matched with the width of the front face of a square shaft to be machined, and the center of the fixing square groove and the center of a first tip are located on the same vertical line; a positioning ruler is arranged above the positioning seat and located between the square shaft and the clamping arm, a positioning square groove is formed in one side of the positioning ruler, and the width of the positioning square groove is matched with the width of the back face of the square shaft to be machined. The position of the square shaft is fixed through the tool clamp, it is ensured that the front face of the square shaft is aligned with a machine tool of a gear hobbing machine, it is ensured that starting points of machining are the same each time, and the tooth crest center lines of circular shaft splines at the two ends of the square shaft are aligned with the center line of the front face of the square shaft or the tooth root center lines of the two side faces of the square shaft are aligned with the center lines of the circular shafts at the two ends of the square shaft. The requirement that the square shaft end machining spline datum plane does not deviate is met.

The invention relates to the technical field of raise-boring hob machining, in particular to raise-boring hob automatic tooth pressing machining equipment and a technological method.The raise-boring hob automatic tooth pressing machining equipment comprises a press body, and the press body is provided with a press-fitting assembly, a lifting driving source for driving the press-fitting assembly to ascend and descend so as to press-fit hob teeth and a workbench for fixing a hob body; the pressing machine body comprises a driving part for driving the hob body to rotate, the pressing machine body is provided with a horizontal driving assembly for driving the hob body to move in the horizontal direction, an arc-shaped sliding groove is formed in the pressing machine body in a sunken mode, and the bottom of the workbench is matched with the arc-shaped sliding groove in shape and is in sliding fit with the arc-shaped sliding groove. The press body is provided with a rotation driving assembly which drives the workbench to rotate so that the central axis of one mounting hole in the hob body can coincide with the central axis of the press-fitting assembly. Through cooperation of the driving part, the horizontal driving assembly and the rotating driving assembly, the angle and the position of the hob body are flexibly adjusted, and the tooth pressing efficiency and precision are improved.

The utility model discloses a hob type edge cutting machine for a sintered felt, and relates to the technical field of sintered felt production. The cutting device comprises a supporting frame, a pushing table, moving plates and a cutting assembly, supporting plates are fixed to the two short edges of the top of the supporting frame, the pushing table is arranged above the supporting plates, mounting plates are symmetrically fixed to the two sides of the pushing table, the moving plates are arranged on the tops of the mounting plates, limiting plates are fixed to one ends of all the moving plates, and the limiting plates are fixed to the other ends of all the moving plates. The limiting plate is arranged at the top of the pushing table, a cutting assembly is arranged on one side of the supporting frame and comprises a speed reducer, a rotating shaft and an annular cutter, the rotating shaft is fixed to the output end of the speed reducer, and the annular cutter is fixed to the middle of the peripheral side of the rotating shaft and arranged at the top of the pushing table. Through the arrangement of the supporting frame, the push table, the movable plate and the cutting assembly, the problems that cutting machine equipment needs to be adjusted in multiple directions when different widths are cut in the edge cutting process of sintered felt, and the limiting flexibility of cutting is not high enough are solved.

The utility model belongs to the technical field of camshaft production, and particularly relates to a gear hobbing device for camshaft production, which comprises a machine table, the machine table comprises a positioning plate, the left side wall of the machine table is provided with an opening, the positioning plate is positioned on the left side of the opening of the machine table, the positioning plate is provided with two clamping holes, the left side wall of the machine table is provided with a plurality of insertion holes, and the insertion holes are communicated with the clamping holes. The positioning plate is connected with the machine table through a clamping rod, the right side wall of the positioning plate is fixedly connected with a supporting rod penetrating through the opening, the tail end of the supporting rod is fixedly connected with a supporting frame, and the outer side wall of the supporting frame is fixedly connected with a motor. According to the clamping mechanism, the machining position of the machining hob is changed by moving the positioning plate, the rotating rod is driven by the motor to rotate so as to drive the machining hob to rotate, and the fixed camshaft is machined, so that the camshaft can be machined without changing the position of the clamping mechanism, the time for fastening the clamping mechanism is shortened, and the machining efficiency is improved. And certain working efficiency is improved.

The utility model belongs to the technical field of shoemaking, and discloses an open mill with a slicing mechanism, which comprises a support, a compression roller mechanism rotatably arranged on the support and a first mounting shaft fixedly arranged on the support, and further comprises the slicing mechanism which comprises a mounting frame assembled on the first mounting shaft and a hob rotatably connected to the mounting frame, and a blade matched with the cutting shape is arranged on the surface of the hobbing cutter and is tangent to a compression roller of the compression roller mechanism. The film cutting device can continuously and quickly cut films in different shapes, and is high in working efficiency and high in safety.

The invention belongs to the technical field of mechanical engineering and intelligent manufacturing, and discloses a high-precision gear hobbing quality online detection and control system and method. The system comprises a gear hobbing regulation and control module used for driving a hobbing cutter and a workpiece to perform repeated cutting; the multi-light-source visual acquisition module is used for adjusting the position of a multi-light-source visual acquisition probe and acquiring a multi-modal image in a precise gear machining process in real time; the image processing module is used for processing the multi-modal image to generate a multi-scale feature vector; the quality prediction module is used for processing the multi-scale feature vector to generate a geometric precision prediction value and a surface roughness prediction value; and the self-adaptive control module is used for dynamically adjusting the machining parameters of the hob motion control system and the workpiece rotation control system according to the geometric precision predicted value and the surface roughness predicted value, and triggering rejection processing when the geometric precision predicted value exceeds a preset tolerance range or the surface roughness predicted value exceeds a preset threshold value.

The invention provides a multi-hob rotary conical surface rock breaking test device and method, and relates to the hob cutting technology, the multi-hob rotary conical surface rock breaking test device comprises a shaping structure, a trowelling structure and a cutterhead structure, the cutterhead structure is used for containing concrete, the trowelling structure is provided with a rotary lifting assembly and a scraper, and the horizontal angle of the scraper is variable; the rotary lifting assembly drives the scraper to rotate, so that the upper surface of concrete is stricken to form a conical surface, the cutterhead structure is provided with a hobbing cutter with a variable hobbing cutter inclination angle, and the cutterhead structure and the concrete can rotate relatively, so that rotary conical surface rock breaking of the hobbing cutter is simulated; according to the multi-hob conical surface rock breaking test device, manufacturing of the conical surface rock surface and adjustment of the positions and angles of the hobs are integrated in one device, a multi-hob conical surface rock breaking test can be achieved, the cone angle of the rock surface, the angles of the hobs and the distance between the hobs can be flexibly adjusted before the test, and the multi-hob conical surface rock breaking test device is used for exploring rock breaking performance under different test conditions. In addition, the inclination angle of the hob can be flexibly adjusted, and the adjusting range is larger.

The utility model discloses a gear grinding clamp for rotary gear hobbing, and relates to the technical field of gear clamps. A base is characterized in that a machining table is arranged above the base, a placing plate is arranged at the top of the machining table, a stand column is arranged at the center of the placing plate and fixedly connected with the machining table, a pressing plate is arranged above the placing plate, and a clamping groove is formed in the top of the pressing plate. The machining table, the containing plate, the stand column and the pressing plate are arranged to be used for containing the rotary gear, clamping force is applied from the upper side and the lower side of the rotary gear through the containing plate and the pressing plate, the contact face between the rotary gear and the clamp is enlarged, and supporting of the clamp to the rotary gear is enhanced; and meanwhile, a stand column penetrates through an inner hole of the rotary gear, and a movable plate is arranged on the stand column to support the rotary gear from the inner side, so that the rotary gear can be stably clamped and fixed, and the rotary gear is prevented from deviating between the placing plate and the pressing plate.