60 results about "Gear cutting" patented technology

The application belongs to the technical field of inner gear ring processing equipment, and particularly relates to a secondary clamping tooth positioning device for an inserted cut inner gear ring, which comprises a base, a clamp provided on the base, a positioning sleeve matched with the clamp through a sliding bearing, and an elastic tooth positioning device matched with the positioning sleeve. The elastic tooth positioning device comprises a shell, a telescopic shaft provided in the shell, a cylindrical gauge bar and a drawing handle connected to the two ends of the telescopic shaft respectively, and the telescopic shaft comprises two parts of a thick shaft and a thin shaft, and a spring is sleeved on the thin shaft. The shell is connected with a turnover assembly, and the turnover assembly comprises a turnover plate and a turnover cylinder. The application has a reasonable structure, can accurately position the inner gear ring, ensures that the inner gear ring keeps the same phase when the inner gear ring needs to be clamped on the gear cutting machine for multiple times, improves the processing precision, reduces the waste rate, and is beneficial to batch production.

To provide a gear machining tool having abrasive grains and preventing waste of the abrasive grains.SOLUTION: The gear machining tool 1 is a gear machining tool for polishing a tooth surface formed on a workpiece, and includes an annular base material blade part 12 having a plurality of blades 14 on an outer peripheral surface at one end of a shaft-like base material body part 11. And a plurality of abrasive grains provided on the rake face 14a so as to overlap a ridge line portion 15 which is a boundary between the flank face and the rake face 14a when viewed from the direction of the rotation axis C of the substrate 10, in which the abrasive grains are not provided in a region other than the ridge line portion 15 on the flank face. 14a.SELECTED DRAWING: Figure 5

The present application relates to the technical field of steel plate cutting device, and disclose a kind of stainless steel frame raw material steel plate cutting device, including cutting device main body, the outside movable connection extension support plate of cutting device main body, the top movable connection top down clamping plate of cutting device main body, the movable connection side face cylinder clamp of cutting device main body top, the outside fixed connection cutting device machine case of cutting device main body, the bottom movable connection gear cutting machine of cutting device machine case, the bottom of gear cutting machine is equipped with water reservoir, the inner wall movable connection metal cylinder of water reservoir;The present application is through the double mode design of driving motor and octagonal telescopic column manual, both retain the high efficiency of automatic drive, also improve the adaptability of equipment by manual adjustment mechanism, and utilize spring reset to ensure the switching of two modes, make the telescopic control of gear support plate more flexible and reliable, enhance the operation convenience and stability of equipment under complex working conditions.

The utility model relates to the technical field of cutting devices, and discloses an efficient sun gear cutting machine which comprises a workbench, a supporting frame is fixedly connected to the top of the workbench, a cleaning mechanism is arranged at the top of the supporting frame, and a cutting mechanism is arranged at the bottom of the workbench. The cutting mechanism comprises a bottom frame, the bottom frame is arranged at the bottom of the supporting frame, a fixing plate is fixedly connected to the top of the bottom frame, a threaded rod is rotationally connected into the fixing plate, a sliding rail is fixedly connected to the top of the bottom frame, and a sliding block is slidably connected to the outer portion of the sliding rail. According to the wood cutting device, the rotating shaft moves in the opposite direction, the distance between the cutting wheels is adjusted to cut wood, and the problems that when a large amount of wood is cut in batches, equipment of different specifications needs to be replaced, time and labor are wasted, and production efficiency is reduced are solved. The distance between the cutting wheels can be adjusted to be suitable for wood of different sizes, and the cutting efficiency is improved.

The invention relates to the technical field of gear production, in particular to high-precision gear machining equipment and a process thereof.The high-precision gear machining equipment comprises a bottom cabinet of a rectangular structure; the shell is arranged at the upper end of the bottom cabinet; the clamping piece is rotationally connected to the upper end of the bottom cabinet; the gear cutting piece is movably arranged in the shell; the driving part is mounted at the lower end of the tooth cutting part, and the driving part is movably arranged at the upper end of the bottom cabinet; the liquid feeding piece is arranged in the bottom cabinet; the mounting shaft is rotationally mounted at the upper end of the bottom cabinet, and the mounting shaft is connected with the driving part; the polishing wheel is arranged at the upper end of the mounting shaft; and the cleaning piece is attached to the upper end of the rear portion of the polishing wheel and installed at the upper end of the bottom cabinet, gear machining is carried out in an independent continuous cutting mode through the design, and the probability that due to multi-position synchronous gear hobbing type machining factors, the edge position of a gear is damaged and the like is large is effectively reduced. The large probability of gear size errors and the like in steering machining is effectively reduced, and the machining effect and the gear quality are effectively guaranteed.

The invention relates to a portable deicing device for a high-speed railway catenary, which comprises a cavity, a motor, a coupler, a worm and two turbines are arranged in the cavity, and two gear discs are arranged at the outer bottom of the cavity; the worm is horizontally arranged and is connected to the motor through a coupling; the two turbines are horizontally arranged and engaged to the two transverse sides of the worm; a vertical gear rod is arranged in the center of the turbine, penetrates through a through hole formed in the bottom of the cavity and is inserted into the center of the gear disc. The two gear discs are horizontally arranged and located on the same plane, and a gap is formed between the two gear discs and serves as a wire insertion channel. An ice breaking system with gear cutting as the core is designed, ice covering the wire is cut through the pair of gear discs, layered stripping of an ice layer is achieved, and the purpose of deicing is achieved. Meanwhile, the device is high in integration degree, small in size, convenient to carry, capable of greatly reducing manual operation intensity, thorough in deicing, low in energy consumption and high in efficiency, and has wide economic significance and social significance.

The invention discloses a precise gear hobbing machine, and belongs to the technical field of gear hobbing machines. The machine tool mainly comprises a machine tool body, a rotating table arranged on a base of the machine tool body, a gear hobbing assembly used for workpiece gear cutting, a tailstock assembly provided with a tailstock center supporting workpiece and an air blowing assembly installed on the tailstock center. An air blowing unit of the air blowing assembly is provided with a horizontal air pipe and inclined air pipes arranged on the two sides of the horizontal air pipe. According to the precise gear hobbing machine, the two inclined air pipes are driven to be close to or far away from each other through the lead screw transmission mechanism of the adjusting unit, so that the horizontal interval of air injection is adjusted, and meanwhile, the inclined air pipes are forcibly driven to synchronously rotate to change the inclination angle when the interval is adjusted through the gear and rack follow-up mechanism; and the impact angle of the blown air flow is mechanically matched with the tooth direction pressure angles of workpieces with different large modulus in real time, so that wall-hanging scraps in a deep tooth groove are effectively stripped and are finally collected by the arc-shaped scrap receiving disc, and the scrap removal efficiency and the machining quality are improved.

This invention relates to the field of valve processing technology and discloses a valve transmission gear cutting processing device, including a frame, side plates symmetrically mounted on the frame, and a top plate connected to the other side of the side plates. A cutting assembly is installed between the two side plates, and an inclined guide plate is installed between the two side plates. Multiple fixed assemblies are rotatably connected to the frame along the X-axis, and the fixed assemblies pass through and extend above the guide plates. A driving assembly for driving the multiple fixed assemblies to rotate is also installed on the frame. This invention has the following advantages and effects: the driving assembly drives the debris separation assembly in the separation box to rotate synchronously via a synchronous belt. During the rotation of the debris separation assembly, the metal debris intercepted on the filter screen can be gradually pushed to the preset notch on the filter screen, and finally the debris falls into the collection box at the corresponding notch position on the separation box, realizing the centralized discharge and collection of metal debris, facilitating subsequent unified cleaning, eliminating the need for manual cleaning, and saving costs.

1. The name of the design product: gear processing machine head (160). 2. The use of the design product: for processing drive part on numerical control machine tool. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view.

The invention relates to the technical field of machine tool machining, in particular to a tooth cutting machine tool cutter and a cutter motorized spindle. The tooth cutting machine tool cutter comprises a motorized spindle body, and a rotary supporting module, a driving module and a cutter changing module are arranged in the motorized spindle body; the rotating supporting module comprises a rotating groove formed in the electric spindle body, a rotating sleeve is rotationally connected into the rotating groove, and an air bearing is arranged between the rotating sleeve and the inner wall of the rotating groove. A plurality of air pressure displacement assemblies are arranged on the rotating sleeve in the circumferential direction, and the air pressure displacement assemblies are used for generating displacement based on air film pressure fluctuation generated by the air bearing on the rotating sleeve in the tool machining process; the device further comprises a monitoring mechanism and an alarm mechanism, the monitoring mechanism is used for responding to displacement generated by the air pressure displacement assembly in all directions and conducting displacement difference elimination processing to obtain displacement difference, and the alarm mechanism is used for giving an alarm when the displacement difference exceeds a threshold value. According to the invention, the operation state of the cutter can be monitored in real time in the tooth cutting process.

The utility model relates to machine tool technical field, concretely is a kind of gear cutting machine tool rest structure, including rack seat and the mounting seat being set on rack seat, quick connecting mechanism is arranged between rack seat and mounting seat, the top of mounting seat is separately provided with fastening block, the inboard of fastening block is separately provided with transmission screw rod and limit rod, the outside of transmission screw rod and limit rod is all sleeved with moving plate, the top of moving plate is fixedly installed with tool rest seat, the rear side of tool rest seat is fixedly installed with hydraulic rod, the telescopic end of hydraulic rod is fixedly provided with cutter chuck, the left side of fastening block is fixedly installed with transmission motor, by setting a kind of gear cutting machine tool rest structure, to utilize the structural design in quick connecting mechanism, so that locking rod can be inserted with locking hole, and then the purpose of the quick installation of mounting seat is achieved, subsequent disassembly maintenance is facilitated.

A power tool accessory for cutting tubular members includes a housing, an input shaft configured to be coupled to a rotary power tool, a transmission, and a cutting head removably received in a front end of the housing. The transmission includes an input gear and an output gear with a first plurality of teeth. The cutting head has a central opening, a cutting blade protruding into the central opening, and a second plurality of teeth engaged by the first plurality of teeth. A clamp assembly coupled to the housing is moveable between a first position where the cutting head is removable from the housing and a second position where the cutting head is retained in the housing. The cutting head receives a tubular member in the central opening with the cutting blade engaging the tubular member to cut the tubular member as the cutting head rotates about the tubular member.

The invention discloses a robot with a rotary telescopic composite execution tail end, and belongs to the technical field of gear cutting machining robots. Comprising a rotary support, and the rotary support is provided with a left bearing and a right bearing which are coaxially arranged; the slip ring is fixedly sleeved in the right bearing; the sliding rod is sleeved with the sliding ring in a sliding mode, and the sliding rod and the sliding ring are connected through an inner key. A cylinder body of the telescopic cylinder is fixedly sleeved in the left bearing, and a piston rod end is coaxially and rotationally connected with the sliding rod; the left clamping jaw assembly and the right clamping jaw assembly are correspondingly fixed to the cylinder body and the sliding rod respectively. Wherein an inner gear ring is fixed to the cylinder body, an outer gear ring is fixed to the sliding ring, and the gear driving mechanism is used for driving the inner gear ring and the outer gear ring. The telescopic cylinder can control the cylinder body and the sliding rod to move relatively in the axial direction, the servo motor can control the cylinder body and the sliding rod to rotate relatively, through cooperation of the telescopic cylinder and the servo motor, accurate control over the position and posture of the clamping jaw is completed, the mechanical arm has multiple grabbing modes, the grabbing requirements of different types of gears are met, and the machining precision and the surface quality of the gears are guaranteed.

The invention discloses a double-hob synergistic efficient gear hobbing device of a numerical control gear hobbing machine, which belongs to the technical field of gear cutting machining and comprises a base and an outer shell fixed on the outer side of the base, an n-shaped frame is fixed at the top of the base, and a workpiece positioning mechanism for bearing and positioning a gear to be machined is arranged in the middle of the top of the base. The sliding groove is formed in the bottom of the n-shaped frame in the length direction, the sliding blocks are embedded in the two ends of the sliding groove in a sliding mode and fixedly connected with the stand columns, and the two-way lead screw driven by the translation motor is matched to form a feeding amount adjusting mechanism. Therefore, the two sliding blocks are driven to synchronously move in opposite directions or in the same direction along the two-way lead screw, finally, the two hobbing cutters associated with the stand column are driven to synchronously adjust the feeding amount, the problem that the tooth surface cutting depth is not uniform due to feeding amount deviation is solved, and the gear machining precision is remarkably improved.

A method for cutting a gear (4) from a metal workpiece (2), wherein the still oversize flanks of the gear compared to its predefined final geometry are hard finely finished in one or more cutting passes in cutting engagement with one or more cutting tools (10) fed thereto using a geometrically undefined cutting edge made of cutting grains incorporated in a binder matrix in order to produce a surface property thereof present in the final geometry; wherein in the cutting pass of the cutting tool (10b) a resiliently elastic mounting of the cutting grains by their binder matrix acts on the surface property and reduces the oversize cutting at the flanks by at least 2 µm by a compressive preload set by the cross feed of the cutting tool to which the cutting engagement is subjected to; and a gear cutting tool and machine tool for achieving this.

The invention relates to the technical field of gear cutting machining, in particular to a gear hobbing machine for hydraulic power tong gear machining, which comprises a cabinet, the cabinet is fixedly connected with a second electric sliding rail, the second electric sliding rail is provided with an electric rotating plate through an electric sliding block on the second electric sliding rail, and the electric rotating plate is slidably connected with a sliding tool rest. The sliding tool rest is fixedly connected with a fixed frame and a third electric sliding rail, an electric sliding block on the third electric sliding rail is fixedly connected with a sliding frame, the fixed frame and the sliding frame are both rotationally connected with mounting shafts, a cylindrical tool is mounted between the two mounting shafts, the fixed frame and the sliding frame are both provided with mounting frames, and strip-shaped tools are mounted on the mounting frames. The strip-shaped cutter bodies are connected to the two ends of the cylindrical cutter body and replace the ends of the cylindrical cutter body to work, the problem that the ends of traditional cutter bodies are difficult to dissipate heat in the reciprocating cutter shifting process is solved, and therefore the cutter bodies can work at the higher rotating speed, and the machining efficiency of the cutter bodies is overall improved.

A power tool accessory for cutting tubular members includes a housing, an input shaft configured to be coupled to a rotary power tool, a transmission, and a cutting head removably received in a front end of the housing. The transmission includes an input gear and an output gear with a first plurality of teeth. The cutting head has a central opening, a cutting blade protruding into the central opening, and a second plurality of teeth engaged by the first plurality of teeth. A clamp assembly coupled to the housing is moveable between a first position where the cutting head is removable from the housing and a second position where the cutting head is retained in the housing. The cutting head receives a tubular member in the central opening with the cutting blade engaging the tubular member to cut the tubular member as the cutting head rotates about the tubular member.

The utility model discloses a wafer processing positioning cutting device which comprises a supporting plate, a driving assembly, a transmission assembly, a mounting frame, a half gear, a cutter, a toothed plate and a limiting assembly, during cutting, a wafer is placed in a placing groove, the limiting assembly limits and fixes the wafer, the cutting stability is improved, and the cutting efficiency is improved. The driving assembly drives the half gear to rotate and drives the transmission assembly to operate at the same time, the half gear rotates to mesh with the toothed plate to drive the toothed plate to move downwards, at the moment, the spring is stretched to generate elastic force, the toothed plate moves downwards to drive the cutter at the bottom to move downwards to cut the wafer at the bottom, and when the half gear is disengaged from the toothed plate, under the action of the elastic force, the cutter is driven to cut the wafer. When one wafer is not cut, the toothed plate resets to drive the cutter to be away from the wafer, in the process that the cutter is away from the wafer, the transmission assembly drives the supporting rod to rotate, the supporting rod rotates to drive the containing table to rotate, the other wafer which is not cut rotates to the bottom of the cutter, the cutter can cut the wafer conveniently, and the cutting efficiency and quality are improved.

The utility model discloses a quick-release face gear high-precision machining cutter in the technical field of face gear machining cutters, which comprises a cutter mounting frame, a gear cutting component is mounted in the middle of the cutter mounting frame, an air cooling component is connected to the top of the cutter mounting frame close to the gear cutting component, and the gear cutting component comprises a gear cutting component. The machining tool comprises a gear cutting component, one side of the gear cutting component is connected with a pipeline positioning piece, the gear cutting component comprises a protective metal cover, the interior of the protective metal cover is connected with a cutting cutter head through a bearing, and one side of the protective metal cover is provided with a cutting motor. Due to the fact that the second quick-release clamping plate is matched with the first quick-release clamping plate in a clamping mode, the protective metal cover provided with the cutting cutterhead and the cutting motor can be clamped in the middle of the cutter mounting frame in a limiting mode, and the cutter mounting frame can conduct disassembly, assembly, maintenance and replacement operation on the protective metal cover according to the use condition of the cutting cutterhead.

The utility model relates to the technical field of circular saw blades, and discloses a circular saw blade with hump combined teeth, which comprises a clamping component and a gear component mounted on the clamping component, and a first cutter group, a second cutter group, a third cutter group and a fourth cutter group which are sequentially arranged are fixedly mounted on the gear component. A hump combination is formed through hump teeth on the gear assembly, the problem of hot bending caused by long-time use is solved, meanwhile, the problem of deformation caused by too large cutting pressure can be avoided through heat dissipation grooves, noise generated in the rotating process of the gear can be reduced by reducing wind resistance through semicircular grooves formed in the hump teeth, and the service life of the gear is prolonged. In the cutting and rotating process of the gear, objects are sequentially cut through the cutter teeth, the cutting efficiency is improved, meanwhile, burrs generated by cutting are reduced, and the cutting precision is improved.

A method of producing a tooth profile surface on a workpiece. The method comprises providing a gear cutting tool and rotating the gear cutting tool about an axis of rotation. The cutting tool and workpiece are engaged with one another and rolled together in accordance with a generating roll to generate a profile surface of a tooth. The generating roll comprises a first ratio-of roll and a second ratio-of-roll with the first and second ratios-of-roll being different from one another and with one of the first ratio-of-roll and the second ratio-of-roll resulting in a relief section being formed on the tooth profile surface.

The application discloses a multi-sensor-based AGV I-beam wheel loading and unloading pose calibration method and system, the method comprising: collecting three-dimensional point cloud data of a hanging bracket cantilever through a 3D camera; scanning annular profile data of an I-beam inner hole through a 2D laser sensor; preprocessing the three-dimensional point cloud data and the annular profile data and converting them to the same vehicle body coordinate system through a coordinate system; executing a double-target pose collaborative matching algorithm based on the converted data to determine the relative pose deviation of the hanging bracket cantilever and the I-beam; including: performing feature extraction and feature constraint matching on the converted data, and the constraints including a circle center alignment constraint and an axis parallel constraint, calculating the relative pose deviation of the hanging bracket cantilever and the I-beam based on the matching features; and performing dynamic deviation real-time calibration according to the relative pose deviation, adjusting the vehicle body position or the gear cutting angle. The application can improve the accurate and stable AGV I-beam wheel automatic loading and unloading, and improve the efficiency and quality of the entire industrial production.

The utility model relates to gear cutting technical field discloses a kind of automatic gear cutting equipment, including shell, the inside fixed connection of shell has motor one, the inside of shell is provided with cutting assembly, the output end of motor one is connected with mounting post one, the inside fixed connection of mounting post one has motor two, the output end of motor two is connected with worm, the inner bottom wall of shell is fixedly connected with support frame, the inside fixed connection of support frame has base, the upper surface of base is fixedly connected with support rod, the upper surface of support rod is fixedly connected with cover plate, the upper side outer wall of connecting rod one is rotatably connected with extrusion assembly. In the utility model, by gear installation in the outer wall of support frame, the quick clamping of the gear to be processed can be achieved, the clamping time is reduced, the production efficiency of the equipment is improved, and complex adjustment and calibration are not needed.

The invention discloses a gear cutting, cutting and grinding assembly and method for a flying wing flat pipe, and belongs to the technical field of radiator preparation. The assembly is integrally arranged on the same working table top and sequentially comprises a feeding mechanism, a tooth cutting and cutting combined mechanism and a grinding mechanism in the conveying direction of the flying wing flat pipe. The tooth cutting and cutting-off combined mechanism comprises a tooth cutting assembly and a cutting-off assembly which can synchronously and horizontally reciprocate along the material guiding channel, and the tooth cutting assembly and the cutting-off assembly execute independent tooth cutting and cutting-off operation in the horizontal movement process. The feeding mechanism is provided with a clamping plate assembly with a T-shaped guide strip and a clamping hand air cylinder assembly, and accurate positioning and continuous feeding are achieved. The polishing mechanism is provided with an upper polishing assembly and a lower polishing assembly used for removing burrs on the end face and the two sides. The full-process automatic integrated machining of feeding, tooth cutting, cutting-off and grinding is achieved, tooth cutting and cutting-off operation can be continuously carried out in the moving process, shutdown for feeding is not needed, the production efficiency is remarkably improved, meanwhile, grinding is completed on line, and the quality of finished products is guaranteed.

The application discloses a tooth meshing cutter suitable for machining involute inner helical gear with different helix angles, wherein the tooth meshing cutter is provided with tooth along the circumference, the structure of the tooth includes a cutting edge, a relief surface and a rake surface, the cutting edge includes a left side edge, a right side edge and a top edge, wherein the left side edge and the right side edge are left and right involute profile lines on the section of a drum type external spur gear engaged with the inner helical gear part, the top edge is a circular arc in the same plane with the left side edge and the right side edge and tangent to the left side edge and the right side edge, the relief surface is formed by lofting the cutting edge and a series of relief surface construction lines, the relief surface construction lines are connected by the left and right involute profile lines on the section of the drum type external spur gear with gradually decreasing diameters and the circular arcs tangent to the left and right involute profile lines, and the rake surface is a free curved surface capable of forming a cutting rake angle and is fitted by the cutting edge and the series of relief surface construction lines. The tooth meshing cutter can be used to machine workpieces with different helix angles and greatly reduce the production cost.

The utility model provides a mowing device which comprises a machine shell and a height adjusting mechanism, and a mowing assembly is arranged in a machine cavity. The area inside the machine cavity is a mowing area, and the area outside the machine cavity is a non-mowing area; the height adjusting mechanism is in driving connection with the mowing assembly; at least the air supplement part is provided with an air supplement inlet and an air supplement outlet; the air supplement inlet is located in at least one surface of the other surfaces, except the bottom surface, of the machine shell. The air supplement outlet is located in at least one position of the cavity wall face of the machine cavity, the cavity top face of the machine cavity and the bottom surface, located in the non-mowing area, of the machine shell. The machine cavity is provided with a grass outlet; the airflow speed of air discharged from the air supplement outlet is smaller than that of air discharged from the grass discharge port. The utility model solves the problem that the grass suction efficiency and the grass discharge efficiency of the mower are seriously influenced by the reduction of the speed of air entering the cavity of the mower due to the great reduction of the sectional area of the air inlet duct under the conditions of low-gear cutting height and high-density lawns in the mower in the prior art.

The invention discloses a precise wood cutting and forming all-in-one machine, and relates to the technical field of wood processing, one end of a supporting rack is connected with a supporting vertical plate, one end of the bottom of the supporting vertical plate is connected with a connecting vertical plate, a rotating round rod is movably installed at the bottom of the connecting vertical plate in a penetrating mode, and one end of the rotating round rod is connected with an adsorption synchronous electromagnet; according to the cutting circular saw edge abrasion detection device, the overhaul camera is used for shooting and checking the edge of the cutting circular saw, the abrasion use condition of the edge of the cutting circular saw can be known more accurately and conveniently, and the cutting circular saw edge abrasion detection device is convenient to use and high in practicability. And a worker watches a shot inspection video through a display screen on the outer side, use is more convenient, data reference is provided for mastering the use condition of the cutting circular saw and timely disassembly and maintenance, the cutting circular saw is used in a good state all the time, and information can be accurately known without disassembling the cutting circular saw.

The application belongs to the technical field of tunneling construction equipment, and discloses a design method of a multi-tooth rock breaking cutter of a cutter head of a honeycomb type tunnel boring machine. The design method designs involute gear cutting tooth structure at the overall circumference of a cutter ring of a rolling cutter, and simultaneously uses radial force and shearing force generated by gear cutting to break rocks, so as to replace the traditional rolling cutter which only relies on the extrusion force and impact force of the cutter head to cut and break rocks, and to realize high-speed cutting construction of the tunnel boring machine. Meanwhile, the traditional solid connecting structure cutter shaft is improved to be a honeycomb type porous structure rolling cutter shaft. The honeycomb structure is composed of a series of hexagonal or other polygonal honeycomb structures arranged in the shaft body in a regular manner, and forms a continuous, uniform and periodic topological structure. The structure design improves the durability and stability of the cutter shaft under harsh working conditions on the premise of ensuring that the cutter shaft has sufficient strength and rigidity, thereby prolonging the service life of the cutter shaft.

The application relates to the field of mechanical processing, in particular to a power head for slotting or gear shaping. The power head comprises a tool holder, a tool rest, a tool shaft and a driving shaft. The tool rest is located in the tool holder and can move along the feeding direction and the withdrawing direction of the power head. The tool shaft is pivoted to the tool rest through a pivot joint and can swing around the pivot joint. The driving shaft is rotationally arranged on the tool holder. The input end of the driving shaft can be connected to a driving source. The transmission mechanism for driving the tool rest to move is arranged between the output end of the driving shaft and the tool rest. The control mechanism for controlling the swing angle of the tool shaft is arranged between the output end of the driving shaft and the tool shaft. The power head can reduce the risk of damaging the workpiece machining surface caused by the tool during withdrawing.

The utility model relates to the technical field of gear cutting cooling, and discloses a gear machining cooling device which comprises a heat dissipation plate and a plurality of copper pipes, the copper pipes are different in diameter and embedded in the heat dissipation plate in a concentric circle distribution mode, and the two sides of the copper pipe located on the outermost ring are connected with a water inlet pipe and a water outlet pipe respectively. The copper pipes aligned with the water inlet pipe and the water outlet pipe communicate with each other through connecting pipes, annular first heat conduction silica gel is fixedly attached to the upper surface of the heat dissipation plate, and a plurality of magnets are evenly embedded and fixed into the portion, on the inner ring of the first heat conduction silica gel, of the heat dissipation plate. According to the technical scheme, the heat dissipation plate can be conveniently and rapidly attached to the lower surface of the serrated knife in a magnetic attraction mode, cold water or cooling water flowing into a water cooling system is supplied into the copper pipe in the heat dissipation plate, the purpose of directly dissipating heat of the serrated knife can be achieved, dependence of the serrated knife on heat dissipation of cutting oil is reduced, and the service life of the serrated knife is prolonged. And therefore, the use amount of the cutting oil can be reduced, and waste and recycling cost are reduced.